src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_INFO,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_CUSTOM_SCORE_DOWN,
 463   GADGET_ID_CUSTOM_SCORE_TEXT,
 464   GADGET_ID_CUSTOM_SCORE_UP,
 465   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 466   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 467   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 468   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 469   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 470   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 471   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_RND_UP,
 474   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 475   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 476   GADGET_ID_PUSH_DELAY_FIX_UP,
 477   GADGET_ID_PUSH_DELAY_RND_DOWN,
 478   GADGET_ID_PUSH_DELAY_RND_TEXT,
 479   GADGET_ID_PUSH_DELAY_RND_UP,
 480   GADGET_ID_DROP_DELAY_FIX_DOWN,
 481   GADGET_ID_DROP_DELAY_FIX_TEXT,
 482   GADGET_ID_DROP_DELAY_FIX_UP,
 483   GADGET_ID_DROP_DELAY_RND_DOWN,
 484   GADGET_ID_DROP_DELAY_RND_TEXT,
 485   GADGET_ID_DROP_DELAY_RND_UP,
 486   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 487   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 488   GADGET_ID_MOVE_DELAY_FIX_UP,
 489   GADGET_ID_MOVE_DELAY_RND_DOWN,
 490   GADGET_ID_MOVE_DELAY_RND_TEXT,
 491   GADGET_ID_MOVE_DELAY_RND_UP,
 492   GADGET_ID_STEP_DELAY_FIX_DOWN,
 493   GADGET_ID_STEP_DELAY_FIX_TEXT,
 494   GADGET_ID_STEP_DELAY_FIX_UP,
 495   GADGET_ID_STEP_DELAY_RND_DOWN,
 496   GADGET_ID_STEP_DELAY_RND_TEXT,
 497   GADGET_ID_STEP_DELAY_RND_UP,
 498   GADGET_ID_EXPLOSION_DELAY_DOWN,
 499   GADGET_ID_EXPLOSION_DELAY_TEXT,
 500   GADGET_ID_EXPLOSION_DELAY_UP,
 501   GADGET_ID_IGNITION_DELAY_DOWN,
 502   GADGET_ID_IGNITION_DELAY_TEXT,
 503   GADGET_ID_IGNITION_DELAY_UP,
 504   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 505   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 506   GADGET_ID_CHANGE_DELAY_FIX_UP,
 507   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 508   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 509   GADGET_ID_CHANGE_DELAY_RND_UP,
 510   GADGET_ID_CHANGE_CONT_RND_DOWN,
 511   GADGET_ID_CHANGE_CONT_RND_TEXT,
 512   GADGET_ID_CHANGE_CONT_RND_UP,
 513   GADGET_ID_GROUP_CONTENT_DOWN,
 514   GADGET_ID_GROUP_CONTENT_TEXT,
 515   GADGET_ID_GROUP_CONTENT_UP,
 516
 517   // drawing area identifiers
 518
 519   GADGET_ID_DRAWING_LEVEL,
 520   GADGET_ID_YAMYAM_CONTENT_0,
 521   GADGET_ID_YAMYAM_CONTENT_1,
 522   GADGET_ID_YAMYAM_CONTENT_2,
 523   GADGET_ID_YAMYAM_CONTENT_3,
 524   GADGET_ID_YAMYAM_CONTENT_4,
 525   GADGET_ID_YAMYAM_CONTENT_5,
 526   GADGET_ID_YAMYAM_CONTENT_6,
 527   GADGET_ID_YAMYAM_CONTENT_7,
 528   GADGET_ID_MAGIC_BALL_CONTENT_0,
 529   GADGET_ID_MAGIC_BALL_CONTENT_1,
 530   GADGET_ID_MAGIC_BALL_CONTENT_2,
 531   GADGET_ID_MAGIC_BALL_CONTENT_3,
 532   GADGET_ID_MAGIC_BALL_CONTENT_4,
 533   GADGET_ID_MAGIC_BALL_CONTENT_5,
 534   GADGET_ID_MAGIC_BALL_CONTENT_6,
 535   GADGET_ID_MAGIC_BALL_CONTENT_7,
 536   GADGET_ID_ANDROID_CONTENT,
 537   GADGET_ID_AMOEBA_CONTENT,
 538   GADGET_ID_START_ELEMENT,
 539   GADGET_ID_ARTWORK_ELEMENT,
 540   GADGET_ID_EXPLOSION_ELEMENT,
 541   GADGET_ID_INVENTORY_CONTENT,
 542   GADGET_ID_CUSTOM_GRAPHIC,
 543   GADGET_ID_CUSTOM_CONTENT,
 544   GADGET_ID_CUSTOM_MOVE_ENTER,
 545   GADGET_ID_CUSTOM_MOVE_LEAVE,
 546   GADGET_ID_CUSTOM_CHANGE_TARGET,
 547   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 548   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 549   GADGET_ID_CUSTOM_CHANGE_ACTION,
 550   GADGET_ID_GROUP_CONTENT,
 551   GADGET_ID_RANDOM_BACKGROUND,
 552
 553   // text input identifiers
 554
 555   GADGET_ID_LEVEL_NAME,
 556   GADGET_ID_LEVEL_AUTHOR,
 557   GADGET_ID_LEVELSET_NAME,
 558   GADGET_ID_LEVELSET_AUTHOR,
 559   GADGET_ID_ELEMENT_NAME,
 560
 561   // text area identifiers
 562
 563   GADGET_ID_ENVELOPE_INFO,
 564
 565   // selectbox identifiers
 566
 567   GADGET_ID_TIME_OR_STEPS,
 568   GADGET_ID_TIME_SCORE_BASE,
 569   GADGET_ID_GAME_ENGINE_TYPE,
 570   GADGET_ID_LEVELSET_SAVE_MODE,
 571   GADGET_ID_WIND_DIRECTION,
 572   GADGET_ID_PLAYER_SPEED,
 573   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 574   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 575   GADGET_ID_CUSTOM_DEADLINESS,
 576   GADGET_ID_CUSTOM_MOVE_PATTERN,
 577   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 578   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 579   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 580   GADGET_ID_CUSTOM_SMASH_TARGETS,
 581   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 582   GADGET_ID_CUSTOM_ACCESS_TYPE,
 583   GADGET_ID_CUSTOM_ACCESS_LAYER,
 584   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 585   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 586   GADGET_ID_CHANGE_TIME_UNITS,
 587   GADGET_ID_CHANGE_DIRECT_ACTION,
 588   GADGET_ID_CHANGE_OTHER_ACTION,
 589   GADGET_ID_CHANGE_SIDE,
 590   GADGET_ID_CHANGE_PLAYER,
 591   GADGET_ID_CHANGE_PAGE,
 592   GADGET_ID_CHANGE_REPLACE_WHEN,
 593   GADGET_ID_ACTION_TYPE,
 594   GADGET_ID_ACTION_MODE,
 595   GADGET_ID_ACTION_ARG,
 596   GADGET_ID_SELECT_CHANGE_PAGE,
 597   GADGET_ID_GROUP_CHOICE_MODE,
 598
 599   // textbutton identifiers
 600
 601   GADGET_ID_LEVELINFO_LEVEL,
 602   GADGET_ID_LEVELINFO_LEVELSET,
 603   GADGET_ID_LEVELINFO_EDITOR,
 604   GADGET_ID_PROPERTIES_INFO,
 605   GADGET_ID_PROPERTIES_CONFIG,
 606   GADGET_ID_PROPERTIES_CONFIG_1,
 607   GADGET_ID_PROPERTIES_CONFIG_2,
 608   GADGET_ID_PROPERTIES_CHANGE,
 609   GADGET_ID_SAVE_AS_TEMPLATE_1,
 610   GADGET_ID_SAVE_AS_TEMPLATE_2,
 611   GADGET_ID_SAVE_LEVELSET,
 612   GADGET_ID_ADD_CHANGE_PAGE,
 613   GADGET_ID_DEL_CHANGE_PAGE,
 614
 615   // graphicbutton identifiers
 616
 617   GADGET_ID_PREV_CHANGE_PAGE,
 618   GADGET_ID_NEXT_CHANGE_PAGE,
 619   GADGET_ID_COPY_CHANGE_PAGE,
 620   GADGET_ID_PASTE_CHANGE_PAGE,
 621
 622   // gadgets for scrolling of drawing area
 623
 624   GADGET_ID_SCROLL_UP,
 625   GADGET_ID_SCROLL_DOWN,
 626   GADGET_ID_SCROLL_LEFT,
 627   GADGET_ID_SCROLL_RIGHT,
 628   GADGET_ID_SCROLL_HORIZONTAL,
 629   GADGET_ID_SCROLL_VERTICAL,
 630
 631   // gadgets for scrolling element list
 632
 633   GADGET_ID_SCROLL_LIST_UP,
 634   GADGET_ID_SCROLL_LIST_DOWN,
 635   GADGET_ID_SCROLL_LIST_VERTICAL,
 636
 637   // checkbuttons/radiobuttons for level/element properties
 638
 639   GADGET_ID_AUTO_COUNT_GEMS,
 640   GADGET_ID_RATE_TIME_OVER_SCORE,
 641   GADGET_ID_USE_LEVELSET_ARTWORK,
 642   GADGET_ID_COPY_LEVEL_TEMPLATE,
 643   GADGET_ID_RANDOM_PERCENTAGE,
 644   GADGET_ID_RANDOM_QUANTITY,
 645   GADGET_ID_RANDOM_RESTRICTED,
 646   GADGET_ID_STICK_ELEMENT,
 647   GADGET_ID_EM_SLIPPERY_GEMS,
 648   GADGET_ID_EM_EXPLODES_BY_FIRE,
 649   GADGET_ID_USE_SPRING_BUG,
 650   GADGET_ID_USE_TIME_ORB_BUG,
 651   GADGET_ID_USE_LIFE_BUGS,
 652   GADGET_ID_RANDOM_BALL_CONTENT,
 653   GADGET_ID_INITIAL_BALL_ACTIVE,
 654   GADGET_ID_GROW_INTO_DIGGABLE,
 655   GADGET_ID_SB_FIELDS_NEEDED,
 656   GADGET_ID_SB_OBJECTS_NEEDED,
 657   GADGET_ID_AUTO_EXIT_SOKOBAN,
 658   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 659   GADGET_ID_FINISH_DIG_COLLECT,
 660   GADGET_ID_KEEP_WALKABLE_CE,
 661   GADGET_ID_CONTINUOUS_SNAPPING,
 662   GADGET_ID_BLOCK_SNAP_FIELD,
 663   GADGET_ID_BLOCK_LAST_FIELD,
 664   GADGET_ID_SP_BLOCK_LAST_FIELD,
 665   GADGET_ID_INSTANT_RELOCATION,
 666   GADGET_ID_SHIFTED_RELOCATION,
 667   GADGET_ID_LAZY_RELOCATION,
 668   GADGET_ID_USE_START_ELEMENT,
 669   GADGET_ID_USE_ARTWORK_ELEMENT,
 670   GADGET_ID_USE_EXPLOSION_ELEMENT,
 671   GADGET_ID_INITIAL_GRAVITY,
 672   GADGET_ID_USE_INITIAL_INVENTORY,
 673   GADGET_ID_CAN_PASS_TO_WALKABLE,
 674   GADGET_ID_CAN_FALL_INTO_ACID,
 675   GADGET_ID_CAN_MOVE_INTO_ACID,
 676   GADGET_ID_DONT_COLLIDE_WITH,
 677   GADGET_ID_ENVELOPE_AUTOWRAP,
 678   GADGET_ID_ENVELOPE_CENTERED,
 679   GADGET_ID_MM_LASER_RED,
 680   GADGET_ID_MM_LASER_GREEN,
 681   GADGET_ID_MM_LASER_BLUE,
 682   GADGET_ID_DF_LASER_RED,
 683   GADGET_ID_DF_LASER_GREEN,
 684   GADGET_ID_DF_LASER_BLUE,
 685   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 686   GADGET_ID_CUSTOM_CAN_EXPLODE,
 687   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 688   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 689   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 690   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 691   GADGET_ID_CUSTOM_DEADLY,
 692   GADGET_ID_CUSTOM_CAN_MOVE,
 693   GADGET_ID_CUSTOM_CAN_FALL,
 694   GADGET_ID_CUSTOM_CAN_SMASH,
 695   GADGET_ID_CUSTOM_SLIPPERY,
 696   GADGET_ID_CUSTOM_ACCESSIBLE,
 697   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 698   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 699   GADGET_ID_CUSTOM_USE_GRAPHIC,
 700   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 701   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 702   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 703   GADGET_ID_CUSTOM_CAN_CHANGE,
 704   GADGET_ID_CHANGE_USE_CONTENT,
 705   GADGET_ID_CHANGE_USE_EXPLOSION,
 706   GADGET_ID_CHANGE_ONLY_COMPLETE,
 707   GADGET_ID_CHANGE_USE_RANDOM,
 708   GADGET_ID_CHANGE_HAS_ACTION,
 709   GADGET_ID_CHANGE_DELAY,
 710   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 711   GADGET_ID_CHANGE_BY_OTHER_ACT,
 712
 713   NUM_STATIC_GADGET_IDS
 714 };
 715
 716 // gadgets for buttons in element list (dynamic)
 717 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 718 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 719                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 720
 721 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 722
 723 // radio button numbers
 724 enum
 725 {
 726   RADIO_NR_NONE,
 727   RADIO_NR_DRAWING_TOOLBOX,
 728   RADIO_NR_RANDOM_ELEMENTS
 729 };
 730
 731 // values for counter gadgets
 732 enum
 733 {
 734   ED_COUNTER_ID_SELECT_LEVEL,
 735   ED_COUNTER_ID_LEVEL_XSIZE,
 736   ED_COUNTER_ID_LEVEL_YSIZE,
 737   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 738   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 739   ED_COUNTER_ID_LEVEL_TIMESCORE,
 740   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 741   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 742   ED_COUNTER_ID_LEVEL_RANDOM,
 743   ED_COUNTER_ID_ELEMENT_VALUE1,
 744   ED_COUNTER_ID_ELEMENT_VALUE2,
 745   ED_COUNTER_ID_ELEMENT_VALUE3,
 746   ED_COUNTER_ID_ELEMENT_VALUE4,
 747   ED_COUNTER_ID_YAMYAM_CONTENT,
 748   ED_COUNTER_ID_BALL_CONTENT,
 749   ED_COUNTER_ID_ANDROID_CONTENT,
 750   ED_COUNTER_ID_ENVELOPE_XSIZE,
 751   ED_COUNTER_ID_ENVELOPE_YSIZE,
 752   ED_COUNTER_ID_INVENTORY_SIZE,
 753   ED_COUNTER_ID_CUSTOM_SCORE,
 754   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 755   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 756   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 757   ED_COUNTER_ID_PUSH_DELAY_FIX,
 758   ED_COUNTER_ID_PUSH_DELAY_RND,
 759   ED_COUNTER_ID_DROP_DELAY_FIX,
 760   ED_COUNTER_ID_DROP_DELAY_RND,
 761   ED_COUNTER_ID_MOVE_DELAY_FIX,
 762   ED_COUNTER_ID_MOVE_DELAY_RND,
 763   ED_COUNTER_ID_STEP_DELAY_FIX,
 764   ED_COUNTER_ID_STEP_DELAY_RND,
 765   ED_COUNTER_ID_EXPLOSION_DELAY,
 766   ED_COUNTER_ID_IGNITION_DELAY,
 767   ED_COUNTER_ID_GROUP_CONTENT,
 768   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 769   ED_COUNTER_ID_CHANGE_DELAY_RND,
 770   ED_COUNTER_ID_CHANGE_CONT_RND,
 771
 772   ED_NUM_COUNTERBUTTONS
 773 };
 774
 775 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 776 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 777 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 778 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 779 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 780 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 781
 782 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 783 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 784 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 785 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 786 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 787 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 788
 789 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 790 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 791
 792 // values for scrollbutton gadgets
 793 enum
 794 {
 795   ED_SCROLLBUTTON_ID_AREA_UP,
 796   ED_SCROLLBUTTON_ID_AREA_DOWN,
 797   ED_SCROLLBUTTON_ID_AREA_LEFT,
 798   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 799   ED_SCROLLBUTTON_ID_LIST_UP,
 800   ED_SCROLLBUTTON_ID_LIST_DOWN,
 801
 802   ED_NUM_SCROLLBUTTONS
 803 };
 804
 805 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 806 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 807
 808 // values for scrollbar gadgets
 809 enum
 810 {
 811   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 812   ED_SCROLLBAR_ID_AREA_VERTICAL,
 813   ED_SCROLLBAR_ID_LIST_VERTICAL,
 814
 815   ED_NUM_SCROLLBARS
 816 };
 817
 818 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 819 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 820
 821 // values for text input gadgets
 822 enum
 823 {
 824   ED_TEXTINPUT_ID_LEVEL_NAME,
 825   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 826   ED_TEXTINPUT_ID_LEVELSET_NAME,
 827   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 828   ED_TEXTINPUT_ID_ELEMENT_NAME,
 829
 830   ED_NUM_TEXTINPUT
 831 };
 832
 833 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 834 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 835
 836 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 837 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 838
 839 // values for text area gadgets
 840 enum
 841 {
 842   ED_TEXTAREA_ID_ENVELOPE_INFO,
 843
 844   ED_NUM_TEXTAREAS
 845 };
 846
 847 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 848 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 849
 850 // values for selectbox gadgets
 851 enum
 852 {
 853   ED_SELECTBOX_ID_TIME_OR_STEPS,
 854   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 855   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 856   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 857   ED_SELECTBOX_ID_WIND_DIRECTION,
 858   ED_SELECTBOX_ID_PLAYER_SPEED,
 859   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 860   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 861   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 862   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 863   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 864   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 865   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 866   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 867   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 868   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 869   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 870   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 871   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 872   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 873   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 874   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 875   ED_SELECTBOX_ID_CHANGE_SIDE,
 876   ED_SELECTBOX_ID_CHANGE_PLAYER,
 877   ED_SELECTBOX_ID_CHANGE_PAGE,
 878   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 879   ED_SELECTBOX_ID_ACTION_TYPE,
 880   ED_SELECTBOX_ID_ACTION_MODE,
 881   ED_SELECTBOX_ID_ACTION_ARG,
 882   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 883   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 884
 885   ED_NUM_SELECTBOX
 886 };
 887
 888 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 889 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 890
 891 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 892 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 893
 894 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 895 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 896 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 897 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 898 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 899 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 900
 901 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 902 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 903
 904 // values for textbutton gadgets
 905 enum
 906 {
 907   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 908   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 909   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 910   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 911   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 912   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 913   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 914   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 915   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 916   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 917   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 918   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 919   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 920
 921   ED_NUM_TEXTBUTTONS
 922 };
 923
 924 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 925 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 926
 927 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 928 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 929
 930 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 931 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 932
 933 // values for graphicbutton gadgets
 934 enum
 935 {
 936   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 937   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 938   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 939   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 940
 941   ED_NUM_GRAPHICBUTTONS
 942 };
 943
 944 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 945 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 946
 947 // values for checkbutton gadgets
 948 enum
 949 {
 950   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 951   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 952   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 953   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 954   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 955   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 956   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 957   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 958   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 959   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 960   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 961   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 962   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 963   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 964   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 965   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 966   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 967   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 968   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 969   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 970   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 971   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 972   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 973   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 974   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 975   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 976   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 977   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 978   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 979   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 980   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 981   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 982   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 983   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 984   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 985   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 986   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 987   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 988   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 989   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 990   ED_CHECKBUTTON_ID_MM_LASER_RED,
 991   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 992   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 993   ED_CHECKBUTTON_ID_DF_LASER_RED,
 994   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 995   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 996   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 997   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 998   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 999   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1000   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1001   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1002   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1003   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1004   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1005   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1006   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1007   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1008   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1009   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1010   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1011   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1012   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1013   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1014   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1015   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1016   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1017   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1018   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1019   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1020   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1021
1022   ED_NUM_CHECKBUTTONS
1023 };
1024
1025 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1026 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1027
1028 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1029 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1030
1031 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1032 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1033
1034 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1035 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1036 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1037 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1038 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1039 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1040
1041 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1042 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1043
1044 // values for radiobutton gadgets
1045 enum
1046 {
1047   ED_RADIOBUTTON_ID_PERCENTAGE,
1048   ED_RADIOBUTTON_ID_QUANTITY,
1049
1050   ED_NUM_RADIOBUTTONS
1051 };
1052
1053 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1054 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1055
1056 // values for drawing area gadgets
1057 enum
1058 {
1059   ED_DRAWING_ID_DRAWING_LEVEL,
1060   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1061   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1062   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1063   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1064   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1065   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1066   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1067   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1068   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1069   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1070   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1071   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1072   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1073   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1074   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1075   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1076   ED_DRAWING_ID_ANDROID_CONTENT,
1077   ED_DRAWING_ID_AMOEBA_CONTENT,
1078   ED_DRAWING_ID_START_ELEMENT,
1079   ED_DRAWING_ID_ARTWORK_ELEMENT,
1080   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1081   ED_DRAWING_ID_INVENTORY_CONTENT,
1082   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1083   ED_DRAWING_ID_CUSTOM_CONTENT,
1084   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1085   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1086   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1087   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1088   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1089   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1090   ED_DRAWING_ID_GROUP_CONTENT,
1091   ED_DRAWING_ID_RANDOM_BACKGROUND,
1092
1093   ED_NUM_DRAWING_AREAS
1094 };
1095
1096 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1097 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1098
1099
1100 // ----------------------------------------------------------------------------
1101 // some internally used definitions
1102 // ----------------------------------------------------------------------------
1103
1104 // values for CopyLevelToUndoBuffer()
1105 #define UNDO_IMMEDIATE                  0
1106 #define UNDO_ACCUMULATE                 1
1107
1108 // values for scrollbars
1109 #define ED_SCROLL_NO                    0
1110 #define ED_SCROLL_LEFT                  1
1111 #define ED_SCROLL_RIGHT                 2
1112 #define ED_SCROLL_UP                    4
1113 #define ED_SCROLL_DOWN                  8
1114
1115 // screens in the level editor
1116 #define ED_MODE_DRAWING                 0
1117 #define ED_MODE_INFO                    1
1118 #define ED_MODE_PROPERTIES              2
1119 #define ED_MODE_PALETTE                 3
1120
1121 // sub-screens in the global settings section
1122 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1123 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1124 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1125
1126 // sub-screens in the element properties section
1127 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1128 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1129 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1130 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1131 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1132
1133 // how many steps can be cancelled
1134 #define NUM_UNDO_STEPS                  (64 + 1)
1135
1136 // values for elements with score for certain actions
1137 #define MIN_SCORE                       0
1138 #define MAX_SCORE                       999
1139
1140 // values for elements with count for collecting
1141 #define MIN_COLLECT_COUNT               0
1142 #define MAX_COLLECT_COUNT               999
1143
1144 // values for random placement
1145 #define RANDOM_USE_PERCENTAGE           0
1146 #define RANDOM_USE_QUANTITY             1
1147
1148 // values for level set save mode
1149 #define LEVELSET_SAVE_MODE_UPDATE       0
1150 #define LEVELSET_SAVE_MODE_CREATE       1
1151
1152 // default value for element tile size in drawing area
1153 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1154 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1155
1156
1157 // ----------------------------------------------------------------------------
1158 // some internally used data structure definitions
1159 // ----------------------------------------------------------------------------
1160
1161 static struct
1162 {
1163   int graphic;
1164   int gadget_id;
1165   struct XYTileSize *pos;
1166   int gadget_type;
1167   char *infotext;
1168   char shortcut;
1169 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1170 {
1171   // note: some additional characters are already reserved for "cheat mode"
1172   // shortcuts (":XYZ" style) -- for details, see "events.c"
1173
1174   // ---------- toolbox control buttons ---------------------------------------
1175
1176   {
1177     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1178     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1179     "draw single items",                        's'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1183     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1184     "draw connected items",                     'd'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1188     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1189     "draw lines",                               'l'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1193     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1194     "draw arcs",                                'a'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1198     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1199     "draw outline rectangles",                  'r'
1200   },
1201   {
1202     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1203     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1204     "draw filled rectangles",                   'R'
1205   },
1206   {
1207     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1208     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1209     "wrap (rotate) level up",                   0
1210   },
1211   {
1212     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1213     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1214     "enter text elements",                      't'
1215   },
1216   {
1217     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1218     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1219     "flood fill",                               'f'
1220   },
1221   {
1222     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1223     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1224     "wrap (rotate) level left",                 0
1225   },
1226   {
1227     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1228     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1229     "zoom level tile size",                     '+'
1230   },
1231   {
1232     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1233     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1234     "wrap (rotate) level right",                0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1238     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1239     "random element placement",                 0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1243     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1244     "grab brush",                               'b'
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1248     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1249     "wrap (rotate) level down",                 0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1253     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1254     "pick drawing element",                     ','
1255   },
1256
1257   // ---------- level control buttons -----------------------------------------
1258
1259   {
1260     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1261     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1262     "undo/redo last operation",                 'u'
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1266     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1267     "properties of level",                      'I'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1271     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1272     "save level",                               'S'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1276     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1277     "clear level",                              'C'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1281     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1282     "test level",                               'T'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1286     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1287     "exit level editor",                        'E'
1288   },
1289
1290   // ---------- CE and GE control buttons -------------------------------------
1291
1292   {
1293     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1294     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1295     "copy settings from other element",         0
1296   },
1297   {
1298     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1299     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1300     "copy settings to other element",           0
1301   },
1302   {
1303     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1304     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1305     "exchange element with other element",      0
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1309     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1310     "copy settings from this element",          0
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1314     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1315     "paste settings to this element",           0
1316   },
1317
1318   // ---------- palette control buttons ---------------------------------------
1319
1320   {
1321     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1322     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1323     "properties of drawing element",            'p'
1324   },
1325   {
1326     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1327     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1328     "properties of drawing element 1",          '1'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1332     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1333     "properties of drawing element 2",          '2'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1337     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1338     "properties of drawing element 3",          '3'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1342     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1343     "show list of elements",                    'e'
1344   }
1345 };
1346
1347 static int random_placement_value = 10;
1348 static int random_placement_method = RANDOM_USE_QUANTITY;
1349 static int random_placement_background_element = EL_SAND;
1350 static boolean random_placement_background_restricted = FALSE;
1351 static boolean stick_element_properties_window = FALSE;
1352 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1353 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1354 static struct ElementChangeInfo custom_element_change;
1355 static struct ElementGroupInfo group_element_info;
1356 static struct ElementInfo custom_element;
1357
1358 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1359 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1360 static int levelset_num_levels = 100;
1361 static boolean levelset_use_levelset_artwork = FALSE;
1362 static boolean levelset_copy_level_template = FALSE;
1363 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1364
1365 static struct
1366 {
1367   int x, y;
1368   int min_value, max_value;
1369   int gadget_id_down, gadget_id_up;
1370   int gadget_id_text;
1371   int gadget_id_align;
1372   int *value;
1373   char *text_above, *text_left, *text_right;
1374 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1375 {
1376   // ---------- current level number ------------------------------------------
1377
1378   {
1379     -1, -1,     // these values are not constant, but can change at runtime
1380     1,                                  100,
1381     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1382     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1383     &level_nr,
1384     NULL,                               NULL, NULL
1385   },
1386
1387   // ---------- level and editor settings -------------------------------------
1388
1389   {
1390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1391     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1392     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1393     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1394     &level.fieldx,
1395     "playfield size:",                  NULL, "width",
1396   },
1397   {
1398     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1399     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1400     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1401     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1402     &level.fieldy,
1403     NULL,                               " ", "height",
1404   },
1405   {
1406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1407     0,                                  999,
1408     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1409     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1410     &level.gems_needed,
1411     NULL,                               "number of gems to collect:", NULL
1412   },
1413   {
1414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1415     0,                                  9999,
1416     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1417     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1418     &level.time,
1419     "time or step limit to solve level:", NULL, NULL
1420   },
1421   {
1422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1423     0,                                  999,
1424     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1425     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1426     &level.score[SC_TIME_BONUS],
1427     "score for time or steps left:",    NULL, NULL
1428   },
1429   {
1430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1431     0,                                  9999,
1432     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1433     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1434     &level.random_seed,
1435     NULL,                               "random seed:", "(0 => random)"
1436   },
1437   {
1438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1439     1,                                  MAX_LEVELS,
1440     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1441     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1442     &levelset_num_levels,
1443     "number of levels:",                NULL, NULL,
1444   },
1445   {
1446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1447     1,                                  100,
1448     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1449     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1450     &random_placement_value,
1451     "random element placement:",        NULL, "in"
1452   },
1453
1454   // ---------- element settings: configure (various elements) ----------------
1455
1456   {
1457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1458     MIN_SCORE,                          MAX_SCORE,
1459     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1460     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1461     NULL,                               // will be set when used
1462     NULL,                               NULL, NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1466     MIN_SCORE,                          MAX_SCORE,
1467     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1468     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1469     NULL,                               // will be set when used
1470     NULL,                               NULL, NULL
1471   },
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1474     MIN_SCORE,                          MAX_SCORE,
1475     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1476     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1477     NULL,                               // will be set when used
1478     NULL,                               NULL, NULL
1479   },
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1482     MIN_SCORE,                          MAX_SCORE,
1483     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1484     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1485     NULL,                               // will be set when used
1486     NULL,                               NULL, NULL
1487   },
1488   {
1489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1490     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1491     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1492     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1493     &level.num_yamyam_contents,
1494     NULL,                               NULL, "number of content areas"
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1498     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1499     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1500     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1501     &level.num_ball_contents,
1502     NULL,                               NULL, "number of content areas"
1503   },
1504   {
1505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1506     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1507     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1508     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1509     &level.num_android_clone_elements,
1510     NULL,                               NULL, "number of clonable elements"
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1514     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1515     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1516     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1517     NULL,                               // will be set when used
1518     NULL,                               NULL, "width",
1519   },
1520   {
1521     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1522     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1523     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1524     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1525     NULL,                               // will be set when used
1526     NULL,                               " ", "height",
1527   },
1528   {
1529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1530     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1531     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1532     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1533     &level.initial_inventory_size[0],
1534     NULL,                               NULL, "number of inventory elements"
1535   },
1536
1537   // ---------- element settings: configure 1 (custom elements) ---------------
1538
1539   {
1540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1541     MIN_SCORE,                          MAX_SCORE,
1542     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1543     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1544     &custom_element.collect_score_initial,
1545     NULL,                               "CE score", " "
1546   },
1547   {
1548     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1549     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1550     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1551     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1552     &custom_element.collect_count_initial,
1553     NULL,                               "CE count", NULL
1554   },
1555   {
1556     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1557     0,                                  9999,
1558     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1559     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1560     &custom_element.ce_value_fixed_initial,
1561     NULL,                               "CE value", NULL
1562   },
1563   {
1564     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1565     0,                                  9999,
1566     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1567     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1568     &custom_element.ce_value_random_initial,
1569     NULL,                               "+random", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1573     0,                                  999,
1574     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1575     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1576     &custom_element.push_delay_fixed,
1577     NULL,                               "push delay", NULL
1578   },
1579   {
1580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1581     0,                                  999,
1582     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1583     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1584     &custom_element.push_delay_random,
1585     NULL,                               "+random", NULL
1586   },
1587   {
1588     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1589     0,                                  999,
1590     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1591     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1592     &custom_element.drop_delay_fixed,
1593     NULL,                               "drop delay", NULL
1594   },
1595   {
1596     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1597     0,                                  999,
1598     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1599     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1600     &custom_element.drop_delay_random,
1601     NULL,                               "+random", NULL
1602   },
1603
1604   // ---------- element settings: configure 2 (custom elements) ---------------
1605
1606   {
1607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1608     0,                                  999,
1609     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1610     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1611     &custom_element.move_delay_fixed,
1612     NULL,                               "move delay", NULL
1613   },
1614   {
1615     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1616     0,                                  999,
1617     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1618     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1619     &custom_element.move_delay_random,
1620     NULL,                               "+random", NULL
1621   },
1622   {
1623     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1624     0,                                  999,
1625     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1626     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1627     &custom_element.step_delay_fixed,
1628     NULL,                               "step delay", NULL
1629   },
1630   {
1631     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1632     0,                                  999,
1633     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1634     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1635     &custom_element.step_delay_random,
1636     NULL,                               "+random", NULL
1637   },
1638   {
1639     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1640     0,                                  999,
1641     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1642     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1643     &custom_element.explosion_delay,
1644     NULL,                               "explosion delay", NULL
1645   },
1646   {
1647     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1648     0,                                  999,
1649     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1650     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1651     &custom_element.ignition_delay,
1652     NULL,                               "ignition delay", "(by fire)"
1653   },
1654
1655   // ---------- element settings: configure (group elements) ------------------
1656
1657   {
1658     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1659     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1660     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1661     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1662     &group_element_info.num_elements,
1663     NULL,                               NULL, "number of elements in group"
1664   },
1665
1666   // ---------- element settings: advanced (custom elements) ------------------
1667
1668   {
1669     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1670     0,                                  999,
1671     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1672     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1673     &custom_element_change.delay_fixed,
1674     NULL,                               "CE delay", NULL,
1675   },
1676   {
1677     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1678     0,                                  999,
1679     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1680     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1681     &custom_element_change.delay_random,
1682     NULL,                               "+random", NULL
1683   },
1684   {
1685     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1686     0,                                  100,
1687     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1688     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1689     &custom_element_change.random_percentage,
1690     NULL,                               "use random replace:", "%"
1691   },
1692 };
1693
1694 static struct
1695 {
1696   int x, y;
1697   int gadget_id;
1698   int size;
1699   char *value;
1700   char *text_above, *infotext;
1701 } textinput_info[ED_NUM_TEXTINPUT] =
1702 {
1703   {
1704     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1705     GADGET_ID_LEVEL_NAME,
1706     MAX_LEVEL_NAME_LEN,
1707     level.name,
1708     "Title:", "Title for this level"
1709   },
1710   {
1711     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1712     GADGET_ID_LEVEL_AUTHOR,
1713     MAX_LEVEL_AUTHOR_LEN,
1714     level.author,
1715     "Author:", "Author for this level"
1716   },
1717   {
1718     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1719     GADGET_ID_LEVELSET_NAME,
1720     MAX_LEVEL_NAME_LEN,
1721     levelset_name,
1722     "Title:", "Title for this or new level set"
1723   },
1724   {
1725     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1726     GADGET_ID_LEVELSET_AUTHOR,
1727     MAX_LEVEL_AUTHOR_LEN,
1728     levelset_author,
1729     "Author:", "Author for this or new level set"
1730   },
1731   {
1732     -1, -1,     // these values are not constant, but can change at runtime
1733     GADGET_ID_ELEMENT_NAME,
1734     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1735     custom_element.description,
1736     NULL, "Element name"
1737   }
1738 };
1739
1740 static struct
1741 {
1742   int x, y;
1743   int gadget_id;
1744   int xsize, ysize;
1745   char *value;
1746   char *text_above, *infotext;
1747 } textarea_info[ED_NUM_TEXTAREAS] =
1748 {
1749   {
1750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1751     GADGET_ID_ENVELOPE_INFO,
1752     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1753     NULL,
1754     "Envelope Content:", "Envelope Content"
1755   }
1756 };
1757
1758 static struct ValueTextInfo options_time_or_steps[] =
1759 {
1760   { 0,                          "seconds"                       },
1761   { 1,                          "steps"                         },
1762
1763   { -1,                         NULL                            }
1764 };
1765
1766 static struct ValueTextInfo options_time_score_base[] =
1767 {
1768   { 1,                          "per second/step"               },
1769   { 10,                         "per 10 seconds/steps"          },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_game_engine_type[] =
1775 {
1776   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1777   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1778   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1779   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_levelset_save_mode[] =
1785 {
1786   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1787   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1788
1789   { -1,                         NULL                            }
1790 };
1791
1792 static struct ValueTextInfo options_wind_direction[] =
1793 {
1794   { MV_START_NONE,              "none"                          },
1795   { MV_START_LEFT,              "left"                          },
1796   { MV_START_RIGHT,             "right"                         },
1797   { MV_START_UP,                "up"                            },
1798   { MV_START_DOWN,              "down"                          },
1799
1800   { -1,                         NULL                            }
1801 };
1802
1803 static struct ValueTextInfo options_player_speed[] =
1804 {
1805   { 0,                          "frozen"                        },
1806   { 1,                          "very slow"                     },
1807   { 2,                          "slow"                          },
1808   { 4,                          "normal"                        },
1809   { 8,                          "fast"                          },
1810   { 16,                         "very fast"                     },
1811   { 32,                         "ultrafast"                     },
1812
1813   { -1,                         NULL                            }
1814 };
1815
1816 static struct ValueTextInfo options_access_type[] =
1817 {
1818   { EP_WALKABLE,                "walkable"                      },
1819   { EP_PASSABLE,                "passable"                      },
1820
1821   { -1,                         NULL                            }
1822 };
1823
1824 static struct ValueTextInfo options_access_layer[] =
1825 {
1826   { EP_ACCESSIBLE_OVER,         "over"                          },
1827   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1828   { EP_ACCESSIBLE_UNDER,        "under"                         },
1829
1830   { -1,                         NULL                            }
1831 };
1832
1833 static struct ValueTextInfo options_access_protected[] =
1834 {
1835   { 0,                          "unprotected"                   },
1836   { 1,                          "protected"                     },
1837
1838   { -1,                         NULL                            }
1839 };
1840
1841 static struct ValueTextInfo options_access_direction[] =
1842 {
1843   { MV_NO_DIRECTION,            "no direction"                  },
1844   { MV_LEFT,                    "left"                          },
1845   { MV_RIGHT,                   "right"                         },
1846   { MV_UP,                      "up"                            },
1847   { MV_DOWN,                    "down"                          },
1848   { MV_LEFT  | MV_UP,           "left + up"                     },
1849   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1850   { MV_RIGHT | MV_UP,           "right + up"                    },
1851   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1852   { MV_HORIZONTAL,              "horizontal"                    },
1853   { MV_VERTICAL,                "vertical"                      },
1854   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1855   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1856   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1857   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1858   { MV_ALL_DIRECTIONS,          "all directions"                },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_walk_to_action[] =
1864 {
1865   { EP_DIGGABLE,                "diggable"                      },
1866   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1867   { EP_DROPPABLE,               "collectible & droppable"       },
1868   { EP_THROWABLE,               "collectible & throwable"       },
1869   { EP_PUSHABLE,                "pushable"                      },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_move_pattern[] =
1875 {
1876   { MV_LEFT,                    "left"                          },
1877   { MV_RIGHT,                   "right"                         },
1878   { MV_UP,                      "up"                            },
1879   { MV_DOWN,                    "down"                          },
1880   { MV_HORIZONTAL,              "horizontal"                    },
1881   { MV_VERTICAL,                "vertical"                      },
1882   { MV_ALL_DIRECTIONS,          "all directions"                },
1883   { MV_WIND_DIRECTION,          "wind direction"                },
1884   { MV_TOWARDS_PLAYER,          "towards player"                },
1885   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1886   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1887   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1888   { MV_TURNING_LEFT,            "turning left"                  },
1889   { MV_TURNING_RIGHT,           "turning right"                 },
1890   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1891   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1892   { MV_TURNING_RANDOM,          "turning random"                },
1893   { MV_MAZE_RUNNER,             "maze runner style"             },
1894   { MV_MAZE_HUNTER,             "maze hunter style"             },
1895   { MV_WHEN_PUSHED,             "when pushed"                   },
1896   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1897
1898   { -1,                         NULL                            }
1899 };
1900
1901 static struct ValueTextInfo options_move_direction[] =
1902 {
1903   { MV_START_AUTOMATIC,         "automatic"                     },
1904   { MV_START_LEFT,              "left"                          },
1905   { MV_START_RIGHT,             "right"                         },
1906   { MV_START_UP,                "up"                            },
1907   { MV_START_DOWN,              "down"                          },
1908   { MV_START_RANDOM,            "random"                        },
1909   { MV_START_PREVIOUS,          "previous"                      },
1910
1911   { -1,                         NULL                            }
1912 };
1913
1914 static struct ValueTextInfo options_move_stepsize[] =
1915 {
1916   { 0,                          "not moving"                    },
1917   { 1,                          "very slow"                     },
1918   { 2,                          "slow"                          },
1919   { 4,                          "normal"                        },
1920   { 8,                          "fast"                          },
1921   { 16,                         "very fast"                     },
1922   { 32,                         "even faster"                   },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_move_leave_type[] =
1928 {
1929   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1930   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_smash_targets[] =
1936 {
1937   { EP_CAN_SMASH_PLAYER,        "player"                        },
1938 #if 0
1939   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1940 #endif
1941   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1942
1943   { -1,                         NULL                            }
1944 };
1945
1946 static struct ValueTextInfo options_slippery_type[] =
1947 {
1948   { SLIPPERY_ANY_RANDOM,        "random"                        },
1949   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1950   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1951   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1952   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1953
1954   { -1,                         NULL                            }
1955 };
1956
1957 static struct ValueTextInfo options_deadliness[] =
1958 {
1959   { EP_DONT_RUN_INTO,           "running into"                  },
1960   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1961   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1962   { EP_DONT_TOUCH,              "touching"                      },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_explosion_type[] =
1968 {
1969   { EXPLODES_3X3,               "3x3"                           },
1970   { EXPLODES_CROSS,             "3+3"                           },
1971   { EXPLODES_1X1,               "1x1"                           },
1972
1973   { -1,                         NULL                            }
1974 };
1975
1976 static struct ValueTextInfo options_time_units[] =
1977 {
1978   { 1,                          "frames"                        },
1979   { FRAMES_PER_SECOND,          "seconds"                       },
1980
1981   { -1,                         NULL                            }
1982 };
1983
1984 static struct ValueTextInfo options_change_direct_action[] =
1985 {
1986   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1987   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1988   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1989   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1990   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1991   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1992   { CE_LEFT_BY_PLAYER,          "left by player"                },
1993   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1994   { CE_SWITCHED,                "switched"                      },
1995   { CE_HITTING_SOMETHING,       "hitting something"             },
1996   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1997 #if 0
1998   { CE_BLOCKED,                 "blocked"                       },
1999 #endif
2000   { CE_IMPACT,                  "impact (on something)"         },
2001   { CE_SMASHED,                 "smashed (from above)"          },
2002 #if 0
2003   { CE_VALUE_CHANGES,           "CE value changes"              },
2004   { CE_SCORE_CHANGES,           "CE score changes"              },
2005 #endif
2006   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2007   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2008   { CE_UNDEFINED,               " "                             },
2009   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2010   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2011   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2012   { CE_UNDEFINED,               " "                             },
2013   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2014   { CE_NEXT_TO_PLAYER,          "next to player"                },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_change_other_action[] =
2020 {
2021   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2022   { CE_PLAYER_PRESSES_X,        "player presses"                },
2023   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2024   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2025   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2026   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2027   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2028   { CE_PLAYER_DIGS_X,           "player digs"                   },
2029   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2030   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2031   { CE_TOUCHING_X,              "touching"                      },
2032   { CE_HITTING_X,               "hitting"                       },
2033   { CE_DIGGING_X,               "digging"                       },
2034   { CE_HIT_BY_X,                "hit by"                        },
2035   { CE_SWITCH_OF_X,             "switch of"                     },
2036   { CE_CHANGE_OF_X,             "change by page of"             },
2037   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2038   { CE_MOVE_OF_X,               "move of"                       },
2039   { CE_CREATION_OF_X,           "creation of"                   },
2040   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2041   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2042   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2043   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2044   { CE_UNDEFINED,               " "                             },
2045   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2046   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2047   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2048   { CE_UNDEFINED,               " "                             },
2049   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2050   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2051   { CE_NEXT_TO_X,               "next to"                       },
2052
2053   { -1,                         NULL                            }
2054 };
2055
2056 static struct ValueTextInfo options_change_trigger_side[] =
2057 {
2058   { CH_SIDE_LEFT,               "left"                          },
2059   { CH_SIDE_RIGHT,              "right"                         },
2060   { CH_SIDE_TOP,                "top"                           },
2061   { CH_SIDE_BOTTOM,             "bottom"                        },
2062   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2063   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2064   { CH_SIDE_ANY,                "any"                           },
2065
2066   { -1,                         NULL                            }
2067 };
2068
2069 static struct ValueTextInfo options_change_trigger_player[] =
2070 {
2071   { CH_PLAYER_1,                "1"                             },
2072   { CH_PLAYER_2,                "2"                             },
2073   { CH_PLAYER_3,                "3"                             },
2074   { CH_PLAYER_4,                "4"                             },
2075   { CH_PLAYER_ANY,              "any"                           },
2076
2077   { -1,                         NULL                            }
2078 };
2079
2080 static struct ValueTextInfo options_change_trigger_page[] =
2081 {
2082   { (1 << 0),                   "1"                             },
2083   { (1 << 1),                   "2"                             },
2084   { (1 << 2),                   "3"                             },
2085   { (1 << 3),                   "4"                             },
2086   { (1 << 4),                   "5"                             },
2087   { (1 << 5),                   "6"                             },
2088   { (1 << 6),                   "7"                             },
2089   { (1 << 7),                   "8"                             },
2090   { (1 << 8),                   "9"                             },
2091   { (1 << 9),                   "10"                            },
2092   { (1 << 10),                  "11"                            },
2093   { (1 << 11),                  "12"                            },
2094   { (1 << 12),                  "13"                            },
2095   { (1 << 13),                  "14"                            },
2096   { (1 << 14),                  "15"                            },
2097   { (1 << 15),                  "16"                            },
2098   { (1 << 16),                  "17"                            },
2099   { (1 << 17),                  "18"                            },
2100   { (1 << 18),                  "19"                            },
2101   { (1 << 19),                  "20"                            },
2102   { (1 << 20),                  "21"                            },
2103   { (1 << 21),                  "22"                            },
2104   { (1 << 22),                  "23"                            },
2105   { (1 << 23),                  "24"                            },
2106   { (1 << 24),                  "25"                            },
2107   { (1 << 25),                  "26"                            },
2108   { (1 << 26),                  "27"                            },
2109   { (1 << 27),                  "28"                            },
2110   { (1 << 28),                  "29"                            },
2111   { (1 << 29),                  "30"                            },
2112   { (1 << 30),                  "31"                            },
2113   { (1 << 31),                  "32"                            },
2114   { CH_PAGE_ANY,                "any"                           },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_change_replace_when[] =
2120 {
2121   { CP_WHEN_EMPTY,              "empty"                         },
2122   { CP_WHEN_WALKABLE,           "walkable"                      },
2123   { CP_WHEN_DIGGABLE,           "diggable"                      },
2124   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2125   { CP_WHEN_REMOVABLE,          "removable"                     },
2126   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_action_type[] =
2132 {
2133   { CA_NO_ACTION,               "no action"                     },
2134   { CA_UNDEFINED,               " "                             },
2135   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2136   { CA_RESTART_LEVEL,           "restart level"                 },
2137   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2138   { CA_SET_LEVEL_TIME,          "set time"                      },
2139   { CA_SET_LEVEL_SCORE,         "set score"                     },
2140   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2141   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2142   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2143   { CA_UNDEFINED,               " "                             },
2144   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2145   { CA_MOVE_PLAYER,             "move player"                   },
2146   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2147   { CA_EXIT_PLAYER,             "exit player"                   },
2148   { CA_KILL_PLAYER,             "kill player"                   },
2149   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2150   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2151   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2152   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2153   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2154   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2155   { CA_UNDEFINED,               " "                             },
2156   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2157   { CA_SET_CE_VALUE,            "set CE value"                  },
2158   { CA_SET_CE_SCORE,            "set CE score"                  },
2159   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2160   { CA_UNDEFINED,               " "                             },
2161   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2162   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2163
2164   { -1,                         NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_action_mode_none[] =
2168 {
2169   { CA_MODE_UNDEFINED,          " "                             },
2170
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_action_mode_assign[] =
2175 {
2176   { CA_MODE_SET,                "="                             },
2177
2178   { -1,                         NULL                            }
2179 };
2180
2181 static struct ValueTextInfo options_action_mode_add_remove[] =
2182 {
2183   { CA_MODE_ADD,                "+"                             },
2184   { CA_MODE_SUBTRACT,           "-"                             },
2185
2186   { -1,                         NULL                            }
2187 };
2188
2189 static struct ValueTextInfo options_action_mode_calculate[] =
2190 {
2191   { CA_MODE_SET,                "="                             },
2192   { CA_MODE_ADD,                "+"                             },
2193   { CA_MODE_SUBTRACT,           "-"                             },
2194   { CA_MODE_MULTIPLY,           "*"                             },
2195   { CA_MODE_DIVIDE,             "/"                             },
2196   { CA_MODE_MODULO,             "%"                             },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_action_arg_none[] =
2202 {
2203   { CA_ARG_UNDEFINED,           "         "                     },
2204
2205   { -1,                         NULL                            }
2206 };
2207
2208 static struct ValueTextInfo options_action_arg_player[] =
2209 {
2210   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2211   { CA_ARG_PLAYER_1,            "1"                             },
2212   { CA_ARG_PLAYER_2,            "2"                             },
2213   { CA_ARG_PLAYER_3,            "3"                             },
2214   { CA_ARG_PLAYER_4,            "4"                             },
2215   { CA_ARG_PLAYER_ANY,          "any"                           },
2216   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2217   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_action_arg_number[] =
2223 {
2224   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2225   { CA_ARG_0,                   "0"                             },
2226   { CA_ARG_1,                   "1"                             },
2227   { CA_ARG_2,                   "2"                             },
2228   { CA_ARG_3,                   "3"                             },
2229   { CA_ARG_4,                   "4"                             },
2230   { CA_ARG_5,                   "5"                             },
2231   { CA_ARG_10,                  "10"                            },
2232   { CA_ARG_100,                 "100"                           },
2233   { CA_ARG_1000,                "1000"                          },
2234   { CA_ARG_UNDEFINED,           " "                             },
2235   { CA_ARG_NUMBER_MIN,          "min"                           },
2236   { CA_ARG_NUMBER_MAX,          "max"                           },
2237   { CA_ARG_UNDEFINED,           " "                             },
2238   { CA_ARG_NUMBER_RESET,        "reset"                         },
2239   { CA_ARG_UNDEFINED,           " "                             },
2240   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2241   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2242   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2243   { CA_ARG_UNDEFINED,           " "                             },
2244   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2245   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2246   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2247   { CA_ARG_UNDEFINED,           " "                             },
2248   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2249   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2250   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2251   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2252   { CA_ARG_UNDEFINED,           " "                             },
2253   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2254   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2255   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2256   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2257
2258   { -1,                         NULL                            }
2259 };
2260
2261 static struct ValueTextInfo options_action_arg_value[] =
2262 {
2263   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2264   { CA_ARG_0,                   "0"                             },
2265   { CA_ARG_1,                   "1"                             },
2266   { CA_ARG_2,                   "2"                             },
2267   { CA_ARG_3,                   "3"                             },
2268   { CA_ARG_4,                   "4"                             },
2269   { CA_ARG_5,                   "5"                             },
2270   { CA_ARG_10,                  "10"                            },
2271   { CA_ARG_100,                 "100"                           },
2272   { CA_ARG_1000,                "1000"                          },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_NUMBER_MIN,          "min"                           },
2275   { CA_ARG_NUMBER_MAX,          "max"                           },
2276   { CA_ARG_UNDEFINED,           " "                             },
2277   { CA_ARG_NUMBER_RESET,        "reset"                         },
2278   { CA_ARG_UNDEFINED,           " "                             },
2279   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2280   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2281   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2282   { CA_ARG_UNDEFINED,           " "                             },
2283   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2284   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2285   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2286   { CA_ARG_UNDEFINED,           " "                             },
2287   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2288   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2289   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2290   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2291   { CA_ARG_UNDEFINED,           " "                             },
2292   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2293   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2294   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2295   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2298   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2299   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2300   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2301
2302   { -1,                         NULL                            }
2303 };
2304
2305 static struct ValueTextInfo options_action_arg_envelope[] =
2306 {
2307   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2308   { CA_ARG_1,                   "1"                             },
2309   { CA_ARG_2,                   "2"                             },
2310   { CA_ARG_3,                   "3"                             },
2311   { CA_ARG_4,                   "4"                             },
2312   { CA_ARG_UNDEFINED,           " "                             },
2313   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2314   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2315   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2316   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2317
2318   { -1,                         NULL                            }
2319 };
2320
2321 static struct ValueTextInfo options_action_arg_key[] =
2322 {
2323   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2324   { CA_ARG_1,                   "1"                             },
2325   { CA_ARG_2,                   "2"                             },
2326   { CA_ARG_3,                   "3"                             },
2327   { CA_ARG_4,                   "4"                             },
2328   { CA_ARG_5,                   "5"                             },
2329   { CA_ARG_6,                   "6"                             },
2330   { CA_ARG_7,                   "7"                             },
2331   { CA_ARG_8,                   "8"                             },
2332   { CA_ARG_UNDEFINED,           " "                             },
2333   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2334   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2335   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2336   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2337
2338   { -1,                         NULL                            }
2339 };
2340
2341 static struct ValueTextInfo options_action_arg_speed[] =
2342 {
2343   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2344   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2345   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2346   { CA_ARG_SPEED_SLOW,          "slow"                          },
2347   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2348   { CA_ARG_SPEED_FAST,          "fast"                          },
2349   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2350   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2351   { CA_ARG_UNDEFINED,           " "                             },
2352   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2353   { CA_ARG_SPEED_FASTER,        "faster"                        },
2354   { CA_ARG_UNDEFINED,           " "                             },
2355   { CA_ARG_SPEED_RESET,         "reset"                         },
2356
2357   { -1,                         NULL                            }
2358 };
2359
2360 static struct ValueTextInfo options_action_arg_shield[] =
2361 {
2362   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2363   { CA_ARG_SHIELD_OFF,          "off"                           },
2364   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2365   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2366
2367   { -1,                         NULL                            }
2368 };
2369
2370 static struct ValueTextInfo options_action_arg_artwork[] =
2371 {
2372   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2373   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2374   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2375   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2376   { CA_ARG_UNDEFINED,           " "                             },
2377   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2378
2379   { -1,                         NULL                            }
2380 };
2381
2382 static struct ValueTextInfo options_action_arg_gravity[] =
2383 {
2384   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2385   { CA_ARG_GRAVITY_ON,          "on"                            },
2386   { CA_ARG_GRAVITY_OFF,         "off"                           },
2387   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2388
2389   { -1,                         NULL                            }
2390 };
2391
2392 static struct ValueTextInfo options_action_arg_direction[] =
2393 {
2394   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2395   { CA_ARG_DIRECTION_NONE,      "none"                          },
2396   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2397   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2398   { CA_ARG_DIRECTION_UP,        "up"                            },
2399   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2400   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2401   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2402
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_action_arg_scan_mode[] =
2407 {
2408   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2409   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2410   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2411
2412   { -1,                         NULL                            }
2413 };
2414
2415 static struct ValueTextInfo options_action_arg_inventory[] =
2416 {
2417   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2418   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2419   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2420   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2421   { CA_ARG_UNDEFINED,           " "                             },
2422   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2423   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2424   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2425   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2426   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2427   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2428   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2429   { CA_ARG_UNDEFINED,           " "                             },
2430   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2431
2432   { -1,                         NULL                            }
2433 };
2434
2435 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2436 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2437 {
2438   { -1,                         NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_group_choice_mode[] =
2442 {
2443   { ANIM_RANDOM,                "random"                        },
2444   { ANIM_LOOP,                  "loop"                          },
2445   { ANIM_LINEAR,                "linear"                        },
2446   { ANIM_PINGPONG,              "pingpong"                      },
2447   { ANIM_PINGPONG2,             "pingpong 2"                    },
2448
2449   { -1,                         NULL                            }
2450 };
2451
2452 static struct ValueTextInfo *action_arg_modes[] =
2453 {
2454   options_action_mode_none,
2455   options_action_mode_assign,
2456   options_action_mode_add_remove,
2457   options_action_mode_calculate,
2458 };
2459
2460 static struct
2461 {
2462   int value;
2463   int mode;
2464   struct ValueTextInfo *options;
2465 }
2466 action_arg_options[] =
2467 {
2468   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2469   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2470   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2471   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2472   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2473   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2474   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2475   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2476   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2477   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2478   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2479   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2480   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2481   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2482   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2483   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2484   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2485   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2486   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2487   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2488   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2489   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2490
2491   { -1,                         FALSE,  NULL                            }
2492 };
2493
2494 static struct
2495 {
2496   int x, y;
2497   int gadget_id;
2498   int gadget_id_align;
2499   int size;     // char size of selectbox or '-1' (dynamically determined)
2500   struct ValueTextInfo *options;
2501   int *value;
2502   char *text_above, *text_left, *text_right, *infotext;
2503 } selectbox_info[ED_NUM_SELECTBOX] =
2504 {
2505   // ---------- level and editor settings -------------------------------------
2506
2507   {
2508     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2509     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2510     -1,
2511     options_time_or_steps,
2512     &level.use_step_counter,
2513     NULL, NULL, "(0 => no limit)",      "time or step limit"
2514   },
2515   {
2516     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2517     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2518     -1,
2519     options_time_score_base,
2520     &level.time_score_base,
2521     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2522   },
2523   {
2524     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2525     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2526     -1,
2527     options_game_engine_type,
2528     &level.game_engine_type,
2529     NULL, "game engine:", NULL,         "game engine"
2530   },
2531   {
2532     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2533     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2534     -1,
2535     options_levelset_save_mode,
2536     &levelset_save_mode,
2537     "Action:", NULL, NULL,              "action when saving level set"
2538   },
2539
2540   // ---------- element settings: configure (several elements) ----------------
2541
2542   {
2543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2544     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2545     -1,
2546     options_wind_direction,
2547     &level.wind_direction_initial,
2548     NULL, "initial wind direction:", NULL,      "initial wind direction"
2549   },
2550   {
2551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2552     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2553     -1,
2554     options_player_speed,
2555     &level.initial_player_stepsize[0],
2556     NULL, "initial player speed:", NULL,        "initial player speed"
2557   },
2558
2559   // ---------- element settings: configure 1 (custom elements) ---------------
2560
2561   {
2562     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2563     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2564     -1,
2565     options_access_type,
2566     &custom_element.access_type,
2567     NULL, NULL, NULL,                   "type of access to this field"
2568   },
2569   {
2570     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2571     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2572     -1,
2573     options_access_layer,
2574     &custom_element.access_layer,
2575     NULL, NULL, NULL,                   "layer of access for this field"
2576   },
2577   {
2578     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2579     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2580     -1,
2581     options_access_protected,
2582     &custom_element.access_protected,
2583     NULL, NULL, NULL,                   "protected access for this field"
2584   },
2585   {
2586     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2587     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2588     -1,
2589     options_access_direction,
2590     &custom_element.access_direction,
2591     NULL, "from", NULL,                 "access direction for this field"
2592   },
2593   {
2594     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2595     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2596     -1,
2597     options_walk_to_action,
2598     &custom_element.walk_to_action,
2599     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2600   },
2601
2602   // ---------- element settings: configure 2 (custom elements) ---------------
2603
2604   {
2605     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2606     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2607     -1,
2608     options_move_pattern,
2609     &custom_element.move_pattern,
2610     NULL, "can move", NULL,             "element move pattern"
2611   },
2612   {
2613     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2614     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2615     -1,
2616     options_move_direction,
2617     &custom_element.move_direction_initial,
2618     NULL, "starts moving", NULL,        "initial element move direction"
2619   },
2620   {
2621     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2622     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2623     -1,
2624     options_move_stepsize,
2625     &custom_element.move_stepsize,
2626     NULL, "move/fall speed", NULL,      "speed of element movement"
2627   },
2628   {
2629     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2630     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2631     -1,
2632     options_move_leave_type,
2633     &custom_element.move_leave_type,
2634     // left text with leading spaces to place gadget next to "can dig" gadget
2635     // (needed because drawing area gadgets created after selectbox gadgets)
2636     // NULL, "can dig:    can", ":",    "leave behind or change element"
2637     NULL, "            can", ":",       "leave behind or change element"
2638   },
2639   {
2640     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2641     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2642     -1,
2643     options_smash_targets,
2644     &custom_element.smash_targets,
2645     NULL, "can smash", NULL,            "elements that can be smashed"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2649     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2650     -1,
2651     options_slippery_type,
2652     &custom_element.slippery_type,
2653     NULL, "slippery", NULL,             "where other elements fall down"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2657     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2658     -1,
2659     options_deadliness,
2660     &custom_element.deadliness,
2661     NULL, "deadly when", NULL,          "deadliness of element"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2665     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2666     -1,
2667     options_explosion_type,
2668     &custom_element.explosion_type,
2669     NULL, "can explode", NULL,          "explosion type"
2670   },
2671
2672   // ---------- element settings: advanced (custom elements) ------------------
2673
2674   {
2675     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2676     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2677     -1,
2678     options_time_units,
2679     &custom_element_change.delay_frames,
2680     NULL, "delay time given in", NULL,  "delay time units for change"
2681   },
2682   {
2683     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2684     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2685     -1,
2686     options_change_direct_action,
2687     &custom_element_change.direct_action,
2688     NULL, NULL, NULL,                   "type of direct action"
2689   },
2690   {
2691     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2692     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2693     -1,
2694     options_change_other_action,
2695     &custom_element_change.other_action,
2696     NULL, NULL, "element:",             "type of other element action"
2697   },
2698   {
2699     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2700     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2701     -1,
2702     options_change_trigger_side,
2703     &custom_element_change.trigger_side,
2704     NULL, "at", "side",                 "element side triggering change"
2705   },
2706   {
2707     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2708     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2709     -1,
2710     options_change_trigger_player,
2711     &custom_element_change.trigger_player,
2712     NULL, "player:", " ",               "player that causes change"
2713   },
2714   {
2715     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2716     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2717     -1,
2718     options_change_trigger_page,
2719     &custom_element_change.trigger_page,
2720     NULL, "page:", NULL,                "change page that causes change"
2721   },
2722   {
2723     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2724     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2725     -1,
2726     options_change_replace_when,
2727     &custom_element_change.replace_when,
2728     NULL, "replace when", NULL,         "which elements can be replaced"
2729   },
2730   {
2731     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2732     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2733     15,
2734     options_action_type,
2735     &custom_element_change.action_type,
2736     NULL, NULL, NULL,                   "action on specified condition"
2737   },
2738   {
2739     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2740     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2741     -1,
2742     options_action_mode_none,
2743     &custom_element_change.action_mode,
2744     NULL, NULL, NULL,                   "action operator"
2745   },
2746   {
2747     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2748     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2749     -1,
2750     options_action_arg_none,
2751     &custom_element_change.action_arg,
2752     NULL, NULL, NULL,                   "action parameter"
2753   },
2754   {
2755     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2756     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2757     3,
2758     options_change_page,
2759     &custom_element.current_change_page,
2760     NULL, NULL, NULL,                   "element change page"
2761   },
2762
2763   // ---------- element settings: configure (group elements) ------------------
2764
2765   {
2766     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2767     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2768     -1,
2769     options_group_choice_mode,
2770     &group_element_info.choice_mode,
2771     NULL, "choice type:", NULL,         "type of group element choice"
2772   },
2773 };
2774
2775 static struct
2776 {
2777   int x, y;
2778   int gadget_id;
2779   int gadget_id_align;
2780   int size;
2781   char *text;
2782   char *text_above, *text_left, *text_right, *infotext;
2783 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2784 {
2785   // ---------- level and editor settings (tabs) ------------------------------
2786
2787   {
2788     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2789     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2790     8,                                  "Level",
2791     NULL, NULL, NULL,                   "Configure level properties"
2792   },
2793   {
2794     -1,                                 -1,
2795     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2796     8,                                  "Levelset",
2797     NULL, NULL, NULL,                   "Update this or create new level set"
2798   },
2799   {
2800     -1,                                 -1,
2801     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2802     8,                                  "Editor",
2803     NULL, NULL, NULL,                   "Configure editor properties"
2804   },
2805
2806   // ---------- element settings (tabs) ---------------------------------------
2807
2808   {
2809     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2810     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2811     8,                                  "Info",
2812     NULL, NULL, NULL,                   "Show information about element"
2813   },
2814   {
2815     -1,                                 -1,
2816     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2817     8,                                  "Config",
2818     NULL, NULL, NULL,                   "Configure element properties"
2819   },
2820   {
2821     -1,                                 -1,
2822     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2823     8,                                  "Config 1",
2824     NULL, NULL, NULL,                   "Configure element properties, part 1"
2825   },
2826   {
2827     -1,                                 -1,
2828     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2829     8,                                  "Config 2",
2830     NULL, NULL, NULL,                   "Configure element properties, part 2"
2831   },
2832   {
2833     -1,                                 -1,
2834     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2835     8,                                  "Change",
2836     NULL, NULL, NULL,                   "Configure custom element change pages"
2837   },
2838
2839   // ---------- level and editor settings (buttons) ---------------------------
2840
2841   {
2842     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2843     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2844     -1,                                 "Save",
2845     NULL, NULL, NULL,                   "Update or create level set"
2846   },
2847   {
2848     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2849     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2850     -1,                                 "Save",
2851     NULL, NULL,                         "this level as level template",
2852     "Save current settings as new template"
2853   },
2854
2855   // ---------- element settings (buttons) ------------------------------------
2856
2857   {
2858     -1,                                 -1,
2859     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2860     -1,                                 "Save",
2861     NULL, " ",                          "As Template",
2862     "Save current settings as new template"
2863   },
2864   {
2865     -1,                                 -1,
2866     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2867     -1,                                 "New",
2868     NULL, NULL, NULL,                   "Add new change page"
2869   },
2870   {
2871     -1,                                 -1,
2872     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2873     -1,                                 "Delete",
2874     NULL, NULL, NULL,                   "Delete current change page"
2875   },
2876 };
2877
2878 static struct
2879 {
2880   int graphic;
2881   int x, y;
2882   int gadget_id;
2883   int gadget_id_align;
2884   char *text_left, *text_right, *infotext;
2885 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2886 {
2887   {
2888     IMG_EDITOR_COUNTER_DOWN,
2889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2890     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2891     NULL, NULL,                         "select previous change page"
2892   },
2893   {
2894     IMG_EDITOR_COUNTER_UP,
2895     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2896     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2897     NULL, "change page",                "select next change page"
2898   },
2899   {
2900     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2901     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2902     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2903     " ", NULL,                          "copy settings from this change page"
2904   },
2905   {
2906     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2907     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2908     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2909     NULL, NULL,                         "paste settings to this change page"
2910   },
2911 };
2912
2913 static struct
2914 {
2915   int x, y;
2916 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2917
2918 static struct
2919 {
2920   int graphic;
2921   int gadget_id;
2922   char *infotext;
2923 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2924 {
2925   {
2926     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2927     GADGET_ID_SCROLL_UP,
2928     "scroll level editing area up"
2929   },
2930   {
2931     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2932     GADGET_ID_SCROLL_DOWN,
2933     "scroll level editing area down"
2934   },
2935   {
2936     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2937     GADGET_ID_SCROLL_LEFT,
2938     "scroll level editing area left"
2939   },
2940   {
2941     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2942     GADGET_ID_SCROLL_RIGHT,
2943     "scroll level editing area right"
2944   },
2945   {
2946     IMG_EDITOR_PALETTE_SCROLL_UP,
2947     GADGET_ID_SCROLL_LIST_UP,
2948     "scroll element list up ('Page Up')"
2949   },
2950   {
2951     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2952     GADGET_ID_SCROLL_LIST_DOWN,
2953     "scroll element list down ('Page Down')"
2954   },
2955 };
2956
2957 static struct
2958 {
2959   int x, y;
2960   int width, height;
2961   int wheel_x, wheel_y;
2962   int wheel_width, wheel_height;
2963 } scrollbar_pos[ED_NUM_SCROLLBARS];
2964
2965 static struct
2966 {
2967   int graphic;
2968   int type;
2969   int gadget_id;
2970   char *infotext;
2971 } scrollbar_info[ED_NUM_SCROLLBARS] =
2972 {
2973   {
2974     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2975     GD_TYPE_SCROLLBAR_HORIZONTAL,
2976     GADGET_ID_SCROLL_HORIZONTAL,
2977     "scroll level editing area horizontally"
2978   },
2979   {
2980     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2981     GD_TYPE_SCROLLBAR_VERTICAL,
2982     GADGET_ID_SCROLL_VERTICAL,
2983     "scroll level editing area vertically"
2984   },
2985   {
2986     IMG_EDITOR_PALETTE_SCROLLBAR,
2987     GD_TYPE_SCROLLBAR_VERTICAL,
2988     GADGET_ID_SCROLL_LIST_VERTICAL,
2989     "scroll element list vertically"
2990   }
2991 };
2992
2993
2994 static struct
2995 {
2996   int x, y;
2997   int gadget_id;
2998   int gadget_id_align;
2999   int radio_button_nr;
3000   int *value;
3001   int checked_value;
3002   char *text_left, *text_right, *infotext;
3003 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3004 {
3005   {
3006     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3007     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3008     RADIO_NR_RANDOM_ELEMENTS,
3009     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3010     " ", "percentage",                  "use percentage for random elements"
3011   },
3012   {
3013     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3014     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3015     RADIO_NR_RANDOM_ELEMENTS,
3016     &random_placement_method,           RANDOM_USE_QUANTITY,
3017     " ", "quantity",                    "use quantity for random elements"
3018   }
3019 };
3020
3021 static struct
3022 {
3023   int x, y;
3024   int gadget_id;
3025   int gadget_id_align;
3026   boolean *value;
3027   char *text_above, *text_left, *text_right, *infotext;
3028 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3029 {
3030   // ---------- level and editor settings -------------------------------------
3031
3032   {
3033     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3034     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3035     &level.auto_count_gems,
3036     NULL, NULL,
3037     "automatically count gems needed",  "set counter to number of gems"
3038   },
3039   {
3040     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3041     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3042     &level.rate_time_over_score,
3043     NULL, NULL,
3044     "rate time/steps used over score",  "sort high scores by playing time/steps"
3045   },
3046   {
3047     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3048     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3049     &levelset_use_levelset_artwork,
3050     NULL, NULL,
3051     "use current custom artwork",       "use custom artwork of this level set"
3052   },
3053   {
3054     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3055     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3056     &levelset_copy_level_template,
3057     NULL, NULL,
3058     "copy current level template",      "copy level template of this level set"
3059   },
3060   {
3061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3062     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3063     &random_placement_background_restricted,
3064     NULL, NULL,
3065     "restrict random placement to:",    "set random placement restriction"
3066   },
3067   {
3068     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3069     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3070     &setup.editor.use_template_for_new_levels,
3071     "Template for new levels and CE/GE:", NULL,
3072     "use template for new levels",      "use template for level properties"
3073   },
3074   {
3075     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3076     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3077     &level.use_custom_template,
3078     NULL, NULL,
3079     "use template for custom elements", "use template for custom properties"
3080   },
3081
3082   // ---------- element settings: configure (various elements) ----------------
3083
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3086     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3087     &stick_element_properties_window,
3088     NULL, NULL,
3089     "stick this screen to edit content","stick this screen to edit content"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3094     &level.em_slippery_gems,
3095     NULL, NULL,
3096     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3100     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3101     &level.em_explodes_by_fire,
3102     NULL, NULL,
3103     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3107     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3108     &level.use_spring_bug,
3109     NULL, NULL,
3110     "use spring pushing bug",           "use odd spring pushing behaviour"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3114     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3115     &level.use_time_orb_bug,
3116     NULL, NULL,
3117     "use time orb bug",                 "use odd time orb behaviour"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3121     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3122     &level.use_life_bugs,
3123     NULL, NULL,
3124     "use buggy element behaviour",      "use odd (historic) element behaviour"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3128     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3129     &level.ball_random,
3130     NULL, NULL,
3131     "create single random element",     "only create one element from content"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3135     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3136     &level.ball_active_initial,
3137     NULL, NULL,
3138     "magic ball initially activated",   "activate magic ball after level start"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3142     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3143     &level.grow_into_diggable,
3144     NULL, NULL,
3145     "can grow into anything diggable",  "grow into more than just sand"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3149     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3150     &level.sb_fields_needed,
3151     NULL, NULL,
3152     "all fields need to be filled",     "require all SB fields to be solved"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3156     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3157     &level.sb_objects_needed,
3158     NULL, NULL,
3159     "all objects need to be placed",    "require all SB objects to be solved"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3164     &level.auto_exit_sokoban,
3165     NULL, NULL,
3166     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3170     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3171     &level.solved_by_one_player,
3172     NULL, NULL,
3173     "only one player must enter exit",  "level solved by first player in exit"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3177     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3178     &level.finish_dig_collect,
3179     NULL, NULL,
3180     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3184     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3185     &level.keep_walkable_ce,
3186     NULL, NULL,
3187     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3191     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3192     &level.continuous_snapping,
3193     NULL, NULL,
3194     "continuous snapping",              "use snapping without releasing key"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3198     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3199     &level.block_snap_field,
3200     NULL, NULL,
3201     "block snapped field when snapping", "use snapping delay to show animation"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3205     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3206     &level.block_last_field,
3207     NULL, NULL,
3208     "block last field when moving",     "player blocks last field when moving"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3212     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3213     &level.sp_block_last_field,
3214     NULL, NULL,
3215     "block last field when moving",     "player blocks last field when moving"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3219     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3220     &level.instant_relocation,
3221     NULL, NULL,
3222     "no scrolling when relocating",     "player gets relocated without delay"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3226     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3227     &level.shifted_relocation,
3228     NULL, NULL,
3229     "no centering when relocating",     "level not centered after relocation"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3233     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3234     &level.lazy_relocation,
3235     NULL, NULL,
3236     "only redraw off-screen relocation","no redraw if relocation target visible"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3240     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3241     &level.use_start_element[0],
3242     NULL, NULL,
3243     "use level start element:",        "start level at this element's position"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3247     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3248     &level.use_artwork_element[0],
3249     NULL, NULL,
3250     "use artwork from element:",        "use player artwork from other element"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3254     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3255     &level.use_explosion_element[0],
3256     NULL, NULL,
3257     "use explosion from element:",      "use explosion properties from element"
3258   },
3259   {
3260     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3261     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3262     &level.initial_player_gravity[0],
3263     NULL, NULL,
3264     "use initial gravity",              "set initial player gravity"
3265   },
3266   {
3267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3268     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3269     &level.use_initial_inventory[0],
3270     NULL, NULL,
3271     "use initial inventory:",           "use collected elements on level start"
3272   },
3273   {
3274     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3275     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3276     &level.can_pass_to_walkable,
3277     NULL, NULL,
3278     "can pass to walkable element",     "player can pass to empty or walkable"
3279   },
3280   {
3281     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3282     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3283     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3284     NULL, NULL,
3285     "can fall into acid (with gravity)","player can fall into acid pool"
3286   },
3287   {
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3289     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3290     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3291     NULL, NULL,
3292     "can move into acid",               "element can move into acid pool"
3293   },
3294   {
3295     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3296     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3297     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3298     NULL, NULL,
3299     "deadly when colliding with",       "element is deadly when hitting player"
3300   },
3301   {
3302     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3303     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3304     &level.envelope[0].autowrap,
3305     NULL, NULL,
3306     "auto-wrap",                        "automatically wrap envelope text"
3307   },
3308   {
3309     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3310     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3311     &level.envelope[0].centered,
3312     NULL, " ",
3313     "centered",                         "automatically center envelope text"
3314   },
3315   {
3316     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3317     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3318     &level.mm_laser_red,
3319     "choose color components for laser:", NULL,
3320     "red",                              "use red color components in laser"
3321   },
3322   {
3323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3324     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3325     &level.mm_laser_green,
3326     NULL, NULL,
3327     "green",                            "use green color components in laser"
3328   },
3329   {
3330     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3331     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3332     &level.mm_laser_blue,
3333     NULL, NULL,
3334     "blue",                             "use blue color components in laser"
3335   },
3336   {
3337     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3338     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3339     &level.df_laser_red,
3340     "choose color components for laser:", NULL,
3341     "red",                              "use red color components in laser"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3345     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3346     &level.df_laser_green,
3347     NULL, NULL,
3348     "green",                            "use green color components in laser"
3349   },
3350   {
3351     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3352     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3353     &level.df_laser_blue,
3354     NULL, NULL,
3355     "blue",                             "use blue color components in laser"
3356   },
3357
3358   // ---------- element settings: configure 1 (custom elements) ---------------
3359
3360   {
3361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3362     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3363     &custom_element.use_gfx_element,
3364     NULL, NULL,
3365     "use graphic of element:",          "use existing element graphic"
3366   },
3367   {
3368     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3369     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3370     &level.use_custom_template,
3371     NULL, NULL,
3372     "use template",                     "use template for custom properties"
3373   },
3374   {
3375     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3376     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3377     &custom_element_properties[EP_ACCESSIBLE],
3378     NULL, NULL,
3379     NULL,                               "player can walk to or pass this field"
3380   },
3381   {
3382     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3383     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3384     &custom_element_properties[EP_GRAVITY_REACHABLE],
3385     NULL, NULL,
3386     "reachable despite gravity",        "player can walk/dig despite gravity"
3387   },
3388   {
3389     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3390     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3391     &custom_element.use_last_ce_value,
3392     NULL, NULL,
3393     "use last CE value after change",   "use last CE value after change"
3394   },
3395   {
3396     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3397     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3398     &custom_element_properties[EP_WALK_TO_OBJECT],
3399     NULL, NULL,
3400     NULL,                               "player can dig/collect/push element"
3401   },
3402   {
3403     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3404     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3405     &custom_element_properties[EP_INDESTRUCTIBLE],
3406     NULL, NULL,
3407     "indestructible",                   "element is indestructible"
3408   },
3409
3410   // ---------- element settings: configure 2 (custom elements) ---------------
3411
3412   {
3413     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3414     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3415     &custom_element_properties[EP_CAN_MOVE],
3416     NULL, NULL,
3417     NULL,                               "element can move with some pattern"
3418   },
3419   {
3420     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3421     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3422     &custom_element_properties[EP_CAN_FALL],
3423     NULL, NULL,
3424     "can fall",                         "element can fall down"
3425   },
3426   {
3427     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3428     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3429     &custom_element_properties[EP_CAN_SMASH],
3430     NULL, " ",
3431     NULL,                               "element can smash other elements"
3432   },
3433   {
3434     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3435     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3436     &custom_element_properties[EP_SLIPPERY],
3437     NULL, NULL,
3438     NULL,                               "other elements can fall down from it"
3439   },
3440   {
3441     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3442     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3443     &custom_element_properties[EP_DEADLY],
3444     NULL, NULL,
3445     NULL,                               "element can kill the player"
3446   },
3447   {
3448     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3449     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3450     &custom_element_properties[EP_CAN_EXPLODE],
3451     NULL, NULL,
3452     NULL,                               "element can explode"
3453   },
3454   {
3455     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3456     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3457     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3458     NULL, NULL,
3459     "by fire",                          "element can explode by fire/explosion"
3460   },
3461   {
3462     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3463     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3464     &custom_element_properties[EP_EXPLODES_SMASHED],
3465     NULL, " ",
3466     "smashed",                          "element can explode when smashed"
3467   },
3468   {
3469     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3470     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3471     &custom_element_properties[EP_EXPLODES_IMPACT],
3472     NULL, " ",
3473     "impact",                           "element can explode on impact"
3474   },
3475
3476   // ---------- element settings: advanced (custom elements) ------------------
3477
3478   {
3479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3480     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3481     &custom_element_change.can_change,
3482     NULL, NULL,
3483     "element changes to:",              "change element on specified condition"
3484   },
3485   {
3486     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3487     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3488     &custom_element_change_events[CE_DELAY],
3489     NULL, NULL,
3490     NULL,                               "element changes after delay"
3491   },
3492   {
3493     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3494     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3495     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3496     NULL, NULL,
3497     NULL,                               "element changes by direct action"
3498   },
3499   {
3500     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3501     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3502     &custom_element_change_events[CE_BY_OTHER_ACTION],
3503     NULL, NULL,
3504     NULL,                               "element changes by other element"
3505   },
3506   {
3507     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3508     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3509     &custom_element_change.explode,
3510     NULL, NULL,
3511     "explode instead of change",        "element explodes instead of change"
3512   },
3513   {
3514     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3515     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3516     &custom_element_change.use_target_content,
3517     NULL, NULL,
3518     "use extended change target:",      "element changes to more elements"
3519   },
3520   {
3521     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3522     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3523     &custom_element_change.only_if_complete,
3524     NULL, NULL,
3525     "replace all or nothing",           "only replace when all can be changed"
3526   },
3527   {
3528     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3529     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3530     &custom_element_change.use_random_replace,
3531     NULL, NULL,
3532     NULL,                               "use percentage for random replace"
3533   },
3534   {
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3536     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3537     &custom_element_change.has_action,
3538     NULL, NULL,
3539     NULL,                               "execute action on specified condition"
3540   },
3541 };
3542
3543 static struct
3544 {
3545   int x, y;
3546   int xoffset, yoffset;
3547   int gadget_id;
3548   int gadget_id_align;
3549   int *value;
3550   int area_xsize, area_ysize;
3551   char *text_left, *text_right, *text_above, *text_below, *infotext;
3552 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3553 {
3554   // ---------- level playfield content ---------------------------------------
3555
3556   {
3557     0,                                  0,
3558     0,                                  0,
3559     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3560     NULL,
3561     -1, -1,     // these values are not constant, but can change at runtime
3562     NULL, NULL, NULL, NULL,             NULL
3563   },
3564
3565   // ---------- yam yam content -----------------------------------------------
3566
3567   {
3568     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3569     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3570     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3571     &level.yamyam_content[0].e[0][0],   3, 3,
3572     NULL, NULL, NULL, "1",              NULL
3573   },
3574   {
3575     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3576     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3577     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3578     &level.yamyam_content[1].e[0][0],   3, 3,
3579     NULL, NULL, NULL, "2",              NULL
3580   },
3581   {
3582     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3583     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3584     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3585     &level.yamyam_content[2].e[0][0],   3, 3,
3586     NULL, NULL, NULL, "3",              NULL
3587   },
3588   {
3589     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3590     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3591     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3592     &level.yamyam_content[3].e[0][0],   3, 3,
3593     NULL, NULL, NULL, "4",              NULL
3594   },
3595   {
3596     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3597     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3598     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3599     &level.yamyam_content[4].e[0][0],   3, 3,
3600     NULL, NULL, NULL, "5",              NULL
3601   },
3602   {
3603     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3604     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3605     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3606     &level.yamyam_content[5].e[0][0],   3, 3,
3607     NULL, NULL, NULL, "6",              NULL
3608   },
3609   {
3610     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3611     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3612     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3613     &level.yamyam_content[6].e[0][0],   3, 3,
3614     NULL, NULL, NULL, "7",              NULL
3615   },
3616   {
3617     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3618     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3619     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3620     &level.yamyam_content[7].e[0][0],   3, 3,
3621     NULL, NULL, NULL, "8",              NULL
3622   },
3623
3624   // ---------- magic ball content --------------------------------------------
3625
3626   {
3627     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3628     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3629     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3630     &level.ball_content[0].e[0][0],     3, 3,
3631     NULL, NULL, NULL, "1",              NULL
3632   },
3633   {
3634     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3635     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3636     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3637     &level.ball_content[1].e[0][0],     3, 3,
3638     NULL, NULL, NULL, "2",              NULL
3639   },
3640   {
3641     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3642     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3643     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3644     &level.ball_content[2].e[0][0],     3, 3,
3645     NULL, NULL, NULL, "3",              NULL
3646   },
3647   {
3648     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3649     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3650     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3651     &level.ball_content[3].e[0][0],     3, 3,
3652     NULL, NULL, NULL, "4",              NULL
3653   },
3654   {
3655     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3656     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3657     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3658     &level.ball_content[4].e[0][0],     3, 3,
3659     NULL, NULL, NULL, "5",              NULL
3660   },
3661   {
3662     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3663     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3664     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3665     &level.ball_content[5].e[0][0],     3, 3,
3666     NULL, NULL, NULL, "6",              NULL
3667   },
3668   {
3669     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3670     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3671     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3672     &level.ball_content[6].e[0][0],     3, 3,
3673     NULL, NULL, NULL, "7",              NULL
3674   },
3675   {
3676     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3677     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3678     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3679     &level.ball_content[7].e[0][0],     3, 3,
3680     NULL, NULL, NULL, "8",              NULL
3681   },
3682
3683   // ---------- android content -----------------------------------------------
3684
3685   {
3686     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3687     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3688     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3689     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3690     NULL, NULL, "elements:", NULL,      "elements android can clone"
3691   },
3692
3693   // ---------- amoeba content ------------------------------------------------
3694
3695   {
3696     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3697     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3698     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3699     &level.amoeba_content,              1, 1,
3700     "content:", NULL, NULL, NULL,       "amoeba content"
3701   },
3702
3703   // ---------- level start element -------------------------------------------
3704
3705   {
3706     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3707     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3708     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3709     &level.start_element[0],            1, 1,
3710     NULL, NULL, NULL, NULL,             "level start element"
3711   },
3712
3713   // ---------- player artwork element ----------------------------------------
3714
3715   {
3716     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3717     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3718     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3719     &level.artwork_element[0],          1, 1,
3720     NULL, NULL, NULL, NULL,             "element for player artwork"
3721   },
3722
3723   // ---------- player explosion element --------------------------------------
3724
3725   {
3726     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3727     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3728     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3729     &level.explosion_element[0],        1, 1,
3730     NULL, NULL, NULL, NULL,             "element for player explosion"
3731   },
3732
3733   // ---------- player initial inventory --------------------------------------
3734
3735   {
3736     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3737     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3738     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3739     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3740     NULL, NULL, NULL, NULL,             "content for initial inventory"
3741   },
3742
3743   // ---------- element settings: configure 1 (custom elements) ---------------
3744
3745   // ---------- custom graphic ------------------------------------------------
3746
3747   {
3748     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3749     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3750     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3751     &custom_element.gfx_element_initial,1, 1,
3752     NULL, NULL, NULL, NULL,             "custom graphic element"
3753   },
3754
3755   // ---------- element settings: configure 2 (custom elements) ---------------
3756
3757   // ---------- custom content (when exploding) -------------------------------
3758
3759   {
3760     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3761     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3762     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3763     &custom_element.content.e[0][0],    3, 3,
3764     "content:", NULL, NULL, NULL,       NULL
3765   },
3766
3767   // ---------- custom enter and leave element (when moving) ------------------
3768
3769   {
3770     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3771     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3773     &custom_element.move_enter_element, 1, 1,
3774     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3775   },
3776   {
3777     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3778     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3779     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3780     &custom_element.move_leave_element, 1, 1,
3781     NULL, NULL, NULL, NULL,             "element that will be left behind"
3782   },
3783
3784   // ---------- element settings: advanced (custom elements) ------------------
3785
3786   // ---------- custom change target ------------------------------------------
3787
3788   {
3789     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3790     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3791     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3792     &custom_element_change.target_element, 1, 1,
3793     NULL, "after/when:", NULL, NULL,    "new target element after change"
3794   },
3795
3796   // ---------- custom change content (extended change target) ----------------
3797
3798   {
3799     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3800     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3801     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3802     &custom_element_change.target_content.e[0][0], 3, 3,
3803     NULL, NULL, NULL, NULL,             "new extended elements after change"
3804   },
3805
3806   // ---------- custom change trigger (element causing change) ----------------
3807
3808   {
3809     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3810     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3811     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3812     &custom_element_change.initial_trigger_element, 1, 1,
3813     NULL, NULL, NULL, NULL,             "other element triggering change"
3814   },
3815
3816   // ---------- custom change action (element used for action) ----------------
3817
3818   {
3819     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3820     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3821     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3822     &custom_element_change.action_element, 1, 1,
3823     NULL, NULL, NULL, NULL,             "element used as action parameter"
3824   },
3825
3826   // ---------- group element content -----------------------------------------
3827
3828   {
3829     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3830     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3831     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3832     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3833     "content:", NULL, NULL, NULL,       NULL
3834   },
3835
3836   // ---------- random background (for random painting) -----------------------
3837
3838   {
3839     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3840     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3841     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3842     &random_placement_background_element, 1, 1,
3843     NULL, NULL, NULL, NULL,             "random placement background"
3844   },
3845 };
3846
3847
3848 // ----------------------------------------------------------------------------
3849 // some internally used variables
3850 // ----------------------------------------------------------------------------
3851
3852 // maximal size of level editor drawing area
3853 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3854
3855 // actual size of level editor drawing area
3856 static int ed_fieldx, ed_fieldy;
3857
3858 // actual position of level editor drawing area in level playfield
3859 static int level_xpos = -1, level_ypos = -1;
3860
3861 // actual tile size used to display playfield drawing area
3862 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3863 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3864
3865 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3866
3867 // drawing elements on the three mouse buttons
3868 static int new_element1 = EL_WALL;
3869 static int new_element2 = EL_EMPTY;
3870 static int new_element3 = EL_SAND;
3871
3872 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3873 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3874                                 (button) == 2 ? new_element2 : \
3875                                 (button) == 3 ? new_element3 : EL_EMPTY)
3876
3877 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3878
3879 static int use_permanent_palette = TRUE;
3880
3881 #define PX              (use_permanent_palette ? DX : SX)
3882 #define PY              (use_permanent_palette ? DY : SY)
3883 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3884 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3885
3886 // forward declaration for internal use
3887 static void CopyBrushToCursor(int, int);
3888 static void DeleteBrushFromCursor(void);
3889 static void ModifyEditorCounterValue(int, int);
3890 static void ModifyEditorCounterLimits(int, int, int);
3891 static void ModifyEditorSelectboxValue(int, int);
3892 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3893 static void ModifyEditorDrawingArea(int, int, int);
3894 static void ModifyEditorElementList(void);
3895 static void AdjustElementListScrollbar(void);
3896 static void RedrawDrawingElements(void);
3897 static void DrawDrawingWindowExt(boolean);
3898 static void DrawDrawingWindow(void);
3899 static void DrawLevelInfoWindow(void);
3900 static void DrawPropertiesWindow(void);
3901 static void DrawPaletteWindow(void);
3902 static void UpdateCustomElementGraphicGadgets(void);
3903 static boolean checkPropertiesConfig(int);
3904 static void SetAutomaticNumberOfGemsNeeded(void);
3905 static void ClearEditorGadgetInfoText(void);
3906 static void CopyLevelToUndoBuffer(int);
3907 static void HandleDrawingAreas(struct GadgetInfo *);
3908 static void HandleCounterButtons(struct GadgetInfo *);
3909 static void HandleTextInputGadgets(struct GadgetInfo *);
3910 static void HandleTextAreaGadgets(struct GadgetInfo *);
3911 static void HandleSelectboxGadgets(struct GadgetInfo *);
3912 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3913 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3914 static void HandleRadiobuttons(struct GadgetInfo *);
3915 static void HandleCheckbuttons(struct GadgetInfo *);
3916 static void HandleControlButtons(struct GadgetInfo *);
3917 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3918 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3919 static boolean AskToCopyAndModifyLevelTemplate(void);
3920 static boolean getDrawModeHiRes(void);
3921 static int getTabulatorBarWidth(void);
3922 static int getTabulatorBarHeight(void);
3923 static Pixel getTabulatorBarColor(void);
3924
3925 static int num_editor_gadgets = 0;      // dynamically determined
3926
3927 static struct GadgetInfo **level_editor_gadget = NULL;
3928 static int *right_gadget_border = NULL;
3929
3930 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3931 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3932 static boolean draw_with_brush = FALSE;
3933 static int properties_element = 0;
3934
3935 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3936 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3937 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3938 static int undo_buffer_position = 0;
3939 static int undo_buffer_steps = 0;
3940 static int redo_buffer_steps = 0;
3941
3942 static int edit_mode;
3943 static int edit_mode_levelinfo;
3944 static int edit_mode_properties;
3945
3946 static int element_shift = 0;
3947
3948 static int editor_el_players[] =
3949 {
3950   EL_PLAYER_1,
3951   EL_PLAYER_2,
3952   EL_PLAYER_3,
3953   EL_PLAYER_4
3954 };
3955 static int *editor_el_players_ptr = editor_el_players;
3956 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3957
3958 static int editor_hl_boulderdash[] =
3959 {
3960   EL_INTERNAL_CASCADE_BD_ACTIVE,
3961   EL_CHAR('B'),
3962   EL_CHAR('D'),
3963   EL_EMPTY,
3964 };
3965
3966 static int editor_el_boulderdash[] =
3967 {
3968   EL_EMPTY,
3969   EL_SAND,
3970   EL_BD_ROCK,
3971   EL_BD_DIAMOND,
3972
3973   EL_STEELWALL,
3974   EL_BD_WALL,
3975   EL_BD_EXPANDABLE_WALL,
3976   EL_BD_MAGIC_WALL,
3977
3978   EL_BD_AMOEBA,
3979   EL_BD_BUTTERFLY_UP,
3980   EL_BD_FIREFLY_UP,
3981   EL_EXIT_CLOSED,
3982
3983   EL_BD_BUTTERFLY_LEFT,
3984   EL_BD_FIREFLY_LEFT,
3985   EL_BD_BUTTERFLY_RIGHT,
3986   EL_BD_FIREFLY_RIGHT,
3987
3988   EL_EMPTY,
3989   EL_BD_BUTTERFLY_DOWN,
3990   EL_BD_FIREFLY_DOWN,
3991   EL_EXIT_OPEN,
3992 };
3993 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3994 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3995 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3996 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3997
3998 static int editor_hl_emerald_mine[] =
3999 {
4000   EL_INTERNAL_CASCADE_EM_ACTIVE,
4001   EL_CHAR('E'),
4002   EL_CHAR('M'),
4003   EL_EMPTY,
4004 };
4005
4006 static int editor_el_emerald_mine[] =
4007 {
4008   EL_SAND,
4009   EL_ROCK,
4010   EL_QUICKSAND_EMPTY,
4011   EL_QUICKSAND_FULL,
4012
4013   EL_STEELWALL,
4014   EL_WALL,
4015   EL_WALL_SLIPPERY,
4016   EL_MAGIC_WALL,
4017
4018   EL_EMERALD,
4019   EL_DIAMOND,
4020   EL_NUT,
4021   EL_BOMB,
4022
4023   EL_EM_DYNAMITE,
4024   EL_EM_DYNAMITE_ACTIVE,
4025   EL_EM_EXIT_CLOSED,
4026   EL_EM_EXIT_OPEN,
4027
4028   EL_YAMYAM_UP,
4029   EL_BUG_UP,
4030   EL_SPACESHIP_UP,
4031   EL_ROBOT,
4032
4033   EL_BUG_LEFT,
4034   EL_SPACESHIP_LEFT,
4035   EL_BUG_RIGHT,
4036   EL_SPACESHIP_RIGHT,
4037
4038   EL_ROBOT_WHEEL,
4039   EL_BUG_DOWN,
4040   EL_SPACESHIP_DOWN,
4041   EL_INVISIBLE_WALL,
4042
4043   EL_ACID_POOL_TOPLEFT,
4044   EL_ACID,
4045   EL_ACID_POOL_TOPRIGHT,
4046   EL_AMOEBA_DROP,
4047
4048   EL_ACID_POOL_BOTTOMLEFT,
4049   EL_ACID_POOL_BOTTOM,
4050   EL_ACID_POOL_BOTTOMRIGHT,
4051   EL_AMOEBA_WET,
4052
4053   EL_EM_KEY_1,
4054   EL_EM_KEY_2,
4055   EL_EM_KEY_3,
4056   EL_EM_KEY_4,
4057
4058   EL_EM_GATE_1,
4059   EL_EM_GATE_2,
4060   EL_EM_GATE_3,
4061   EL_EM_GATE_4,
4062
4063   EL_EM_GATE_1_GRAY,
4064   EL_EM_GATE_2_GRAY,
4065   EL_EM_GATE_3_GRAY,
4066   EL_EM_GATE_4_GRAY,
4067 };
4068 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4069 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4070 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4071 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4072
4073 static int editor_hl_emerald_mine_club[] =
4074 {
4075   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4076   EL_CHAR('E'),
4077   EL_CHAR('M'),
4078   EL_CHAR('C'),
4079 };
4080
4081 static int editor_el_emerald_mine_club[] =
4082 {
4083   EL_EMC_KEY_5,
4084   EL_EMC_KEY_6,
4085   EL_EMC_KEY_7,
4086   EL_EMC_KEY_8,
4087
4088   EL_EMC_GATE_5,
4089   EL_EMC_GATE_6,
4090   EL_EMC_GATE_7,
4091   EL_EMC_GATE_8,
4092
4093   EL_EMC_GATE_5_GRAY,
4094   EL_EMC_GATE_6_GRAY,
4095   EL_EMC_GATE_7_GRAY,
4096   EL_EMC_GATE_8_GRAY,
4097
4098   EL_EMC_STEELWALL_1,
4099   EL_EMC_STEELWALL_2,
4100   EL_EMC_STEELWALL_3,
4101   EL_EMC_STEELWALL_4,
4102
4103   EL_EMC_WALL_13,
4104   EL_EMC_WALL_14,
4105   EL_EMC_WALL_15,
4106   EL_EMC_WALL_16,
4107
4108   EL_EMC_WALL_SLIPPERY_1,
4109   EL_EMC_WALL_SLIPPERY_2,
4110   EL_EMC_WALL_SLIPPERY_3,
4111   EL_EMC_WALL_SLIPPERY_4,
4112
4113   EL_EMC_WALL_1,
4114   EL_EMC_WALL_2,
4115   EL_EMC_WALL_3,
4116   EL_EMC_WALL_4,
4117
4118   EL_EMC_WALL_5,
4119   EL_EMC_WALL_6,
4120   EL_EMC_WALL_7,
4121   EL_EMC_WALL_8,
4122
4123   EL_EMC_WALL_9,
4124   EL_EMC_WALL_10,
4125   EL_EMC_WALL_11,
4126   EL_EMC_WALL_12,
4127
4128   EL_EMC_GRASS,
4129   EL_EMC_FAKE_GRASS,
4130   EL_EMC_PLANT,
4131   EL_EMC_DRIPPER,
4132
4133   EL_EMC_MAGIC_BALL,
4134   EL_EMC_MAGIC_BALL_SWITCH,
4135   EL_EMC_LENSES,
4136   EL_EMC_MAGNIFIER,
4137
4138   EL_SPRING_LEFT,
4139   EL_SPRING,
4140   EL_SPRING_RIGHT,
4141   EL_EMC_SPRING_BUMPER,
4142
4143   EL_BALLOON,
4144   EL_YAMYAM_UP,
4145   EL_BALLOON_SWITCH_UP,
4146   EL_BALLOON_SWITCH_ANY,
4147
4148   EL_YAMYAM_LEFT,
4149   EL_BALLOON_SWITCH_LEFT,
4150   EL_YAMYAM_RIGHT,
4151   EL_BALLOON_SWITCH_RIGHT,
4152
4153   EL_EMC_ANDROID,
4154   EL_YAMYAM_DOWN,
4155   EL_BALLOON_SWITCH_DOWN,
4156   EL_BALLOON_SWITCH_NONE,
4157 };
4158 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4159 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4160 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4161 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4162
4163 static int editor_hl_rnd[] =
4164 {
4165   EL_INTERNAL_CASCADE_RND_ACTIVE,
4166   EL_CHAR('R'),
4167   EL_CHAR('N'),
4168   EL_CHAR('D'),
4169 };
4170
4171 static int editor_el_rnd[] =
4172 {
4173   EL_DYNAMITE,                  // RND
4174   EL_DYNAMITE_ACTIVE,           // RND
4175   EL_EMPTY,
4176   EL_EMPTY,
4177
4178   EL_KEY_1,
4179   EL_KEY_2,
4180   EL_KEY_3,
4181   EL_KEY_4,
4182
4183   EL_GATE_1,
4184   EL_GATE_2,
4185   EL_GATE_3,
4186   EL_GATE_4,
4187
4188   EL_GATE_1_GRAY,
4189   EL_GATE_2_GRAY,
4190   EL_GATE_3_GRAY,
4191   EL_GATE_4_GRAY,
4192
4193   EL_ARROW_LEFT,
4194   EL_ARROW_RIGHT,
4195   EL_ARROW_UP,
4196   EL_ARROW_DOWN,
4197
4198   EL_AMOEBA_DEAD,
4199   EL_AMOEBA_DRY,
4200   EL_AMOEBA_FULL,
4201   EL_GAME_OF_LIFE,
4202
4203   EL_EMERALD_YELLOW,
4204   EL_EMERALD_RED,
4205   EL_EMERALD_PURPLE,
4206   EL_BIOMAZE,
4207
4208   EL_WALL_EMERALD_YELLOW,
4209   EL_WALL_EMERALD_RED,
4210   EL_WALL_EMERALD_PURPLE,
4211   EL_WALL_BD_DIAMOND,
4212
4213   EL_SPEED_PILL,
4214   EL_PACMAN_UP,
4215   EL_TIME_ORB_FULL,
4216   EL_TIME_ORB_EMPTY,
4217
4218   EL_PACMAN_LEFT,
4219   EL_DARK_YAMYAM,
4220   EL_PACMAN_RIGHT,
4221   EL_YAMYAM,                    // RND
4222
4223   EL_BLACK_ORB,
4224   EL_PACMAN_DOWN,
4225   EL_LAMP,
4226   EL_LAMP_ACTIVE,
4227
4228   EL_DYNABOMB_INCREASE_NUMBER,
4229   EL_DYNABOMB_INCREASE_SIZE,
4230   EL_DYNABOMB_INCREASE_POWER,
4231   EL_STONEBLOCK,
4232
4233   EL_MOLE,
4234   EL_PENGUIN,
4235   EL_PIG,
4236   EL_DRAGON,
4237
4238   EL_BUG,
4239   EL_MOLE_UP,
4240   EL_BD_BUTTERFLY,
4241   EL_BD_FIREFLY,
4242
4243   EL_MOLE_LEFT,
4244   EL_SATELLITE,
4245   EL_MOLE_RIGHT,
4246   EL_PACMAN,
4247
4248   EL_SPACESHIP,
4249   EL_MOLE_DOWN,
4250   EL_INVISIBLE_STEELWALL,
4251   EL_INVISIBLE_WALL,
4252
4253   EL_EXPANDABLE_WALL,
4254   EL_EXPANDABLE_WALL_HORIZONTAL,
4255   EL_EXPANDABLE_WALL_VERTICAL,
4256   EL_EXPANDABLE_WALL_ANY,
4257 };
4258 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4259 static int *editor_el_rnd_ptr = editor_el_rnd;
4260 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4261 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4262
4263 static int editor_hl_sokoban[] =
4264 {
4265   EL_INTERNAL_CASCADE_SB_ACTIVE,
4266   EL_CHAR('S'),
4267   EL_CHAR('B'),
4268   EL_EMPTY,
4269 };
4270
4271 static int editor_el_sokoban[] =
4272 {
4273   EL_SOKOBAN_OBJECT,
4274   EL_SOKOBAN_FIELD_EMPTY,
4275   EL_SOKOBAN_FIELD_FULL,
4276   EL_SOKOBAN_FIELD_PLAYER,
4277 };
4278 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4279 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4280 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4281 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4282
4283 static int editor_hl_supaplex[] =
4284 {
4285   EL_INTERNAL_CASCADE_SP_ACTIVE,
4286   EL_CHAR('S'),
4287   EL_CHAR('P'),
4288   EL_EMPTY,
4289 };
4290
4291 static int editor_el_supaplex[] =
4292 {
4293   EL_SP_MURPHY,
4294   EL_EMPTY,
4295   EL_SP_BASE,
4296   EL_SP_BUGGY_BASE,
4297
4298   EL_SP_INFOTRON,
4299   EL_SP_ZONK,
4300   EL_SP_SNIKSNAK,
4301   EL_SP_ELECTRON,
4302
4303   EL_SP_DISK_RED,
4304   EL_SP_DISK_ORANGE,
4305   EL_SP_DISK_YELLOW,
4306   EL_SP_TERMINAL,
4307
4308   EL_SP_EXIT_CLOSED,
4309   EL_SP_PORT_HORIZONTAL,
4310   EL_SP_PORT_VERTICAL,
4311   EL_SP_PORT_ANY,
4312
4313   EL_SP_PORT_LEFT,
4314   EL_SP_PORT_RIGHT,
4315   EL_SP_PORT_UP,
4316   EL_SP_PORT_DOWN,
4317
4318   EL_SP_GRAVITY_PORT_LEFT,
4319   EL_SP_GRAVITY_PORT_RIGHT,
4320   EL_SP_GRAVITY_PORT_UP,
4321   EL_SP_GRAVITY_PORT_DOWN,
4322
4323   EL_SP_GRAVITY_ON_PORT_LEFT,
4324   EL_SP_GRAVITY_ON_PORT_RIGHT,
4325   EL_SP_GRAVITY_ON_PORT_UP,
4326   EL_SP_GRAVITY_ON_PORT_DOWN,
4327
4328   EL_SP_GRAVITY_OFF_PORT_LEFT,
4329   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4330   EL_SP_GRAVITY_OFF_PORT_UP,
4331   EL_SP_GRAVITY_OFF_PORT_DOWN,
4332
4333   EL_SP_HARDWARE_GRAY,
4334   EL_SP_HARDWARE_GREEN,
4335   EL_SP_HARDWARE_BLUE,
4336   EL_SP_HARDWARE_RED,
4337
4338   EL_SP_HARDWARE_BASE_1,
4339   EL_SP_HARDWARE_BASE_2,
4340   EL_SP_HARDWARE_BASE_3,
4341   EL_SP_HARDWARE_BASE_4,
4342
4343   EL_SP_HARDWARE_BASE_5,
4344   EL_SP_HARDWARE_BASE_6,
4345   EL_SP_HARDWARE_YELLOW,
4346   EL_SP_CHIP_TOP,
4347
4348   EL_SP_CHIP_SINGLE,
4349   EL_SP_CHIP_LEFT,
4350   EL_SP_CHIP_RIGHT,
4351   EL_SP_CHIP_BOTTOM,
4352 };
4353 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4354 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4355 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4356 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4357
4358 static int editor_hl_diamond_caves[] =
4359 {
4360   EL_INTERNAL_CASCADE_DC_ACTIVE,
4361   EL_CHAR('D'),
4362   EL_CHAR('C'),
4363   EL_CHAR('2'),
4364 };
4365
4366 static int editor_el_diamond_caves[] =
4367 {
4368   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4369   EL_EM_STEEL_EXIT_OPEN,        // DC2
4370   EL_WALL_EMERALD,              // DC2
4371   EL_WALL_DIAMOND,              // DC2
4372
4373   EL_PEARL,
4374   EL_CRYSTAL,
4375   EL_WALL_PEARL,
4376   EL_WALL_CRYSTAL,
4377
4378   EL_CONVEYOR_BELT_1_LEFT,
4379   EL_CONVEYOR_BELT_1_MIDDLE,
4380   EL_CONVEYOR_BELT_1_RIGHT,
4381   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4382
4383   EL_CONVEYOR_BELT_2_LEFT,
4384   EL_CONVEYOR_BELT_2_MIDDLE,
4385   EL_CONVEYOR_BELT_2_RIGHT,
4386   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4387
4388   EL_CONVEYOR_BELT_3_LEFT,
4389   EL_CONVEYOR_BELT_3_MIDDLE,
4390   EL_CONVEYOR_BELT_3_RIGHT,
4391   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4392
4393   EL_CONVEYOR_BELT_4_LEFT,
4394   EL_CONVEYOR_BELT_4_MIDDLE,
4395   EL_CONVEYOR_BELT_4_RIGHT,
4396   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4397
4398   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4399   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4400   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4401   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4402
4403   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4404   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4405   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4406   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4407
4408   EL_TIMEGATE_CLOSED,
4409   EL_TIMEGATE_OPEN,
4410   EL_TIMEGATE_SWITCH,
4411   EL_DC_TIMEGATE_SWITCH,
4412
4413   EL_SWITCHGATE_CLOSED,
4414   EL_SWITCHGATE_OPEN,
4415   EL_SWITCHGATE_SWITCH_UP,
4416   EL_SWITCHGATE_SWITCH_DOWN,
4417
4418   EL_LIGHT_SWITCH,
4419   EL_LIGHT_SWITCH_ACTIVE,
4420   EL_DC_SWITCHGATE_SWITCH_UP,
4421   EL_DC_SWITCHGATE_SWITCH_DOWN,
4422
4423   EL_STEEL_EXIT_CLOSED,
4424   EL_STEEL_EXIT_OPEN,
4425   EL_STEELWALL_SLIPPERY,
4426   EL_INVISIBLE_SAND,
4427
4428   EL_QUICKSAND_FAST_EMPTY,
4429   EL_QUICKSAND_FAST_FULL,
4430   EL_LANDMINE,
4431   EL_DC_LANDMINE,
4432
4433   EL_SHIELD_NORMAL,
4434   EL_SHIELD_DEADLY,
4435   EL_EXTRA_TIME,
4436   EL_DC_MAGIC_WALL,
4437
4438   EL_ENVELOPE_1,
4439   EL_ENVELOPE_2,
4440   EL_ENVELOPE_3,
4441   EL_ENVELOPE_4,
4442
4443   EL_SIGN_RADIOACTIVITY,
4444   EL_SIGN_WHEELCHAIR,
4445   EL_SIGN_PARKING,
4446   EL_SIGN_NO_ENTRY,
4447
4448   EL_SIGN_GIVE_WAY,
4449   EL_SIGN_ENTRY_FORBIDDEN,
4450   EL_SIGN_EMERGENCY_EXIT,
4451   EL_SIGN_YIN_YANG,
4452
4453 #if 0
4454   EL_SIGN_SPERMS,
4455   EL_SIGN_BULLET,
4456   EL_SIGN_HEART,
4457   EL_SIGN_CROSS,
4458
4459   EL_SIGN_FRANKIE,
4460   EL_EMPTY,
4461   EL_EMPTY,
4462   EL_EMPTY,
4463
4464   EL_SPERMS,
4465   EL_BULLET,
4466   EL_HEART,
4467   EL_CROSS,
4468
4469   EL_FRANKIE,
4470   EL_EMPTY,
4471   EL_EMPTY,
4472   EL_EMPTY,
4473 #endif
4474
4475   EL_DC_STEELWALL_2_SINGLE,
4476   EL_DC_STEELWALL_2_TOP,
4477   EL_SIGN_EXCLAMATION,
4478   EL_SIGN_STOP,
4479
4480   EL_DC_STEELWALL_2_LEFT,
4481   EL_DC_STEELWALL_2_MIDDLE,
4482   EL_DC_STEELWALL_2_HORIZONTAL,
4483   EL_DC_STEELWALL_2_RIGHT,
4484
4485   EL_DC_STEELWALL_1_TOPLEFT,
4486   EL_DC_STEELWALL_2_VERTICAL,
4487   EL_DC_STEELWALL_1_TOPRIGHT,
4488   EL_DC_GATE_WHITE,
4489
4490   EL_DC_STEELWALL_1_VERTICAL,
4491   EL_DC_STEELWALL_2_BOTTOM,
4492   EL_DC_KEY_WHITE,
4493   EL_DC_GATE_WHITE_GRAY,
4494
4495   EL_DC_STEELWALL_1_BOTTOMLEFT,
4496   EL_DC_STEELWALL_1_HORIZONTAL,
4497   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4498   EL_DC_GATE_FAKE_GRAY,
4499
4500   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4501   EL_DC_STEELWALL_1_BOTTOM,
4502   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4503   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4504
4505   EL_DC_STEELWALL_1_RIGHT,
4506   EL_EMPTY,
4507   EL_DC_STEELWALL_1_LEFT,
4508   EL_EXPANDABLE_STEELWALL_VERTICAL,
4509
4510   EL_DC_STEELWALL_1_TOPRIGHT_2,
4511   EL_DC_STEELWALL_1_TOP,
4512   EL_DC_STEELWALL_1_TOPLEFT_2,
4513   EL_EXPANDABLE_STEELWALL_ANY,
4514 };
4515 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4516 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4517 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4518 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4519
4520 static int editor_hl_dx_boulderdash[] =
4521 {
4522   EL_INTERNAL_CASCADE_DX_ACTIVE,
4523   EL_CHAR('D'),
4524   EL_CHAR('X'),
4525   EL_EMPTY,
4526 };
4527
4528 static int editor_el_dx_boulderdash[] =
4529 {
4530   EL_EMPTY,
4531   EL_TUBE_RIGHT_DOWN,
4532   EL_TUBE_HORIZONTAL_DOWN,
4533   EL_TUBE_LEFT_DOWN,
4534
4535   EL_TUBE_HORIZONTAL,
4536   EL_TUBE_VERTICAL_RIGHT,
4537   EL_TUBE_ANY,
4538   EL_TUBE_VERTICAL_LEFT,
4539
4540   EL_TUBE_VERTICAL,
4541   EL_TUBE_RIGHT_UP,
4542   EL_TUBE_HORIZONTAL_UP,
4543   EL_TUBE_LEFT_UP,
4544
4545   EL_TRAP,
4546   EL_DX_SUPABOMB,
4547   EL_EMPTY,
4548   EL_EMPTY
4549 };
4550 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4551 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4552 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4553 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4554
4555 static int editor_hl_mirror_magic[] =
4556 {
4557   EL_INTERNAL_CASCADE_MM_ACTIVE,
4558   EL_CHAR('M'),
4559   EL_CHAR('M'),
4560   EL_EMPTY,
4561 };
4562
4563 static int editor_el_mirror_magic[] =
4564 {
4565   EL_MM_MCDUFFIN_RIGHT,
4566   EL_MM_MCDUFFIN_UP,
4567   EL_MM_MCDUFFIN_LEFT,
4568   EL_MM_MCDUFFIN_DOWN,
4569
4570   EL_MM_MIRROR_START,
4571   EL_MM_MIRROR_FIXED_START,
4572   EL_MM_POLARIZER_START,
4573   EL_MM_POLARIZER_CROSS_START,
4574
4575   EL_MM_TELEPORTER_RED_START,
4576   EL_MM_TELEPORTER_YELLOW_START,
4577   EL_MM_TELEPORTER_GREEN_START,
4578   EL_MM_TELEPORTER_BLUE_START,
4579
4580   EL_MM_PRISM,
4581   EL_MM_FUSE_ACTIVE,
4582   EL_MM_PACMAN_RIGHT,
4583   EL_MM_EXIT_CLOSED,
4584
4585   EL_MM_KETTLE,
4586   EL_MM_BOMB,
4587   EL_MM_KEY,
4588   EL_MM_FUEL_FULL,
4589
4590   EL_MM_LIGHTBULB,
4591   EL_MM_LIGHTBULB_ACTIVE,
4592   EL_MM_GRAY_BALL,
4593   EL_MM_LIGHTBALL,
4594
4595   EL_MM_STEEL_WALL,
4596   EL_MM_WOODEN_WALL,
4597   EL_MM_ICE_WALL,
4598   EL_MM_AMOEBA_WALL,
4599
4600   EL_MM_STEEL_LOCK,
4601   EL_MM_WOODEN_LOCK,
4602   EL_MM_STEEL_BLOCK,
4603   EL_MM_WOODEN_BLOCK,
4604
4605   EL_MM_STEEL_GRID_FIXED_1,
4606   EL_MM_STEEL_GRID_FIXED_2,
4607   EL_MM_STEEL_GRID_FIXED_3,
4608   EL_MM_STEEL_GRID_FIXED_4,
4609
4610   EL_MM_WOODEN_GRID_FIXED_1,
4611   EL_MM_WOODEN_GRID_FIXED_2,
4612   EL_MM_WOODEN_GRID_FIXED_3,
4613   EL_MM_WOODEN_GRID_FIXED_4
4614 };
4615 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4616 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4617 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4618 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4619
4620 static int editor_hl_deflektor[] =
4621 {
4622   EL_INTERNAL_CASCADE_DF_ACTIVE,
4623   EL_CHAR('D'),
4624   EL_CHAR('F'),
4625   EL_EMPTY,
4626 };
4627
4628 static int editor_el_deflektor[] =
4629 {
4630   EL_DF_LASER_RIGHT,
4631   EL_DF_LASER_UP,
4632   EL_DF_LASER_LEFT,
4633   EL_DF_LASER_DOWN,
4634
4635   EL_DF_RECEIVER_RIGHT,
4636   EL_DF_RECEIVER_UP,
4637   EL_DF_RECEIVER_LEFT,
4638   EL_DF_RECEIVER_DOWN,
4639
4640   EL_DF_MIRROR_START,
4641   EL_DF_MIRROR_ROTATING_START,
4642   EL_DF_CELL,
4643   EL_DF_MINE,
4644
4645   EL_DF_FIBRE_OPTIC_RED_1,
4646   EL_DF_FIBRE_OPTIC_YELLOW_1,
4647   EL_DF_FIBRE_OPTIC_GREEN_1,
4648   EL_DF_FIBRE_OPTIC_BLUE_1,
4649
4650   EL_DF_STEEL_GRID_FIXED_START,
4651   EL_DF_STEEL_GRID_ROTATING_START,
4652   EL_DF_WOODEN_GRID_FIXED_START,
4653   EL_DF_WOODEN_GRID_ROTATING_START,
4654
4655   EL_DF_STEEL_WALL,
4656   EL_DF_WOODEN_WALL,
4657   EL_DF_REFRACTOR,
4658   EL_EMPTY
4659 };
4660 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4661 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4662 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4663 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4664
4665 static int editor_hl_chars[] =
4666 {
4667   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4668   EL_CHAR('T'),
4669   EL_CHAR('X'),
4670   EL_CHAR('T'),
4671 };
4672
4673 static int editor_el_chars[] =
4674 {
4675   EL_CHAR(' '),
4676   EL_CHAR('!'),
4677   EL_CHAR('"'),
4678   EL_CHAR('#'),
4679
4680   EL_CHAR('$'),
4681   EL_CHAR('%'),
4682   EL_CHAR('&'),
4683   EL_CHAR('\''),
4684
4685   EL_CHAR('('),
4686   EL_CHAR(')'),
4687   EL_CHAR('*'),
4688   EL_CHAR('+'),
4689
4690   EL_CHAR(','),
4691   EL_CHAR('-'),
4692   EL_CHAR('.'),
4693   EL_CHAR('/'),
4694
4695   EL_CHAR('0'),
4696   EL_CHAR('1'),
4697   EL_CHAR('2'),
4698   EL_CHAR('3'),
4699
4700   EL_CHAR('4'),
4701   EL_CHAR('5'),
4702   EL_CHAR('6'),
4703   EL_CHAR('7'),
4704
4705   EL_CHAR('8'),
4706   EL_CHAR('9'),
4707   EL_CHAR(':'),
4708   EL_CHAR(';'),
4709
4710   EL_CHAR('<'),
4711   EL_CHAR('='),
4712   EL_CHAR('>'),
4713   EL_CHAR('?'),
4714
4715   EL_CHAR('@'),
4716   EL_CHAR('A'),
4717   EL_CHAR('B'),
4718   EL_CHAR('C'),
4719
4720   EL_CHAR('D'),
4721   EL_CHAR('E'),
4722   EL_CHAR('F'),
4723   EL_CHAR('G'),
4724
4725   EL_CHAR('H'),
4726   EL_CHAR('I'),
4727   EL_CHAR('J'),
4728   EL_CHAR('K'),
4729
4730   EL_CHAR('L'),
4731   EL_CHAR('M'),
4732   EL_CHAR('N'),
4733   EL_CHAR('O'),
4734
4735   EL_CHAR('P'),
4736   EL_CHAR('Q'),
4737   EL_CHAR('R'),
4738   EL_CHAR('S'),
4739
4740   EL_CHAR('T'),
4741   EL_CHAR('U'),
4742   EL_CHAR('V'),
4743   EL_CHAR('W'),
4744
4745   EL_CHAR('X'),
4746   EL_CHAR('Y'),
4747   EL_CHAR('Z'),
4748   EL_CHAR('['),
4749
4750   EL_CHAR('\\'),
4751   EL_CHAR(']'),
4752   EL_CHAR('^'),
4753   EL_CHAR('_'),
4754
4755   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4756   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4757   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4758   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4759
4760   EL_CHAR(CHAR_BYTE_DEGREE),
4761   EL_CHAR(CHAR_BYTE_REGISTERED),
4762   EL_CHAR(FONT_ASCII_CURSOR),
4763   EL_CHAR(FONT_ASCII_BUTTON),
4764
4765   EL_CHAR(FONT_ASCII_UP),
4766   EL_CHAR(FONT_ASCII_DOWN),
4767   EL_CHAR(' '),
4768   EL_CHAR(' ')
4769 };
4770 static int *editor_hl_chars_ptr = editor_hl_chars;
4771 static int *editor_el_chars_ptr = editor_el_chars;
4772 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4773 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4774
4775 static int editor_hl_steel_chars[] =
4776 {
4777   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4778   EL_STEEL_CHAR('T'),
4779   EL_STEEL_CHAR('X'),
4780   EL_STEEL_CHAR('T'),
4781 };
4782
4783 static int editor_el_steel_chars[] =
4784 {
4785   EL_STEEL_CHAR(' '),
4786   EL_STEEL_CHAR('!'),
4787   EL_STEEL_CHAR('"'),
4788   EL_STEEL_CHAR('#'),
4789
4790   EL_STEEL_CHAR('$'),
4791   EL_STEEL_CHAR('%'),
4792   EL_STEEL_CHAR('&'),
4793   EL_STEEL_CHAR('\''),
4794
4795   EL_STEEL_CHAR('('),
4796   EL_STEEL_CHAR(')'),
4797   EL_STEEL_CHAR('*'),
4798   EL_STEEL_CHAR('+'),
4799
4800   EL_STEEL_CHAR(','),
4801   EL_STEEL_CHAR('-'),
4802   EL_STEEL_CHAR('.'),
4803   EL_STEEL_CHAR('/'),
4804
4805   EL_STEEL_CHAR('0'),
4806   EL_STEEL_CHAR('1'),
4807   EL_STEEL_CHAR('2'),
4808   EL_STEEL_CHAR('3'),
4809
4810   EL_STEEL_CHAR('4'),
4811   EL_STEEL_CHAR('5'),
4812   EL_STEEL_CHAR('6'),
4813   EL_STEEL_CHAR('7'),
4814
4815   EL_STEEL_CHAR('8'),
4816   EL_STEEL_CHAR('9'),
4817   EL_STEEL_CHAR(':'),
4818   EL_STEEL_CHAR(';'),
4819
4820   EL_STEEL_CHAR('<'),
4821   EL_STEEL_CHAR('='),
4822   EL_STEEL_CHAR('>'),
4823   EL_STEEL_CHAR('?'),
4824
4825   EL_STEEL_CHAR('@'),
4826   EL_STEEL_CHAR('A'),
4827   EL_STEEL_CHAR('B'),
4828   EL_STEEL_CHAR('C'),
4829
4830   EL_STEEL_CHAR('D'),
4831   EL_STEEL_CHAR('E'),
4832   EL_STEEL_CHAR('F'),
4833   EL_STEEL_CHAR('G'),
4834
4835   EL_STEEL_CHAR('H'),
4836   EL_STEEL_CHAR('I'),
4837   EL_STEEL_CHAR('J'),
4838   EL_STEEL_CHAR('K'),
4839
4840   EL_STEEL_CHAR('L'),
4841   EL_STEEL_CHAR('M'),
4842   EL_STEEL_CHAR('N'),
4843   EL_STEEL_CHAR('O'),
4844
4845   EL_STEEL_CHAR('P'),
4846   EL_STEEL_CHAR('Q'),
4847   EL_STEEL_CHAR('R'),
4848   EL_STEEL_CHAR('S'),
4849
4850   EL_STEEL_CHAR('T'),
4851   EL_STEEL_CHAR('U'),
4852   EL_STEEL_CHAR('V'),
4853   EL_STEEL_CHAR('W'),
4854
4855   EL_STEEL_CHAR('X'),
4856   EL_STEEL_CHAR('Y'),
4857   EL_STEEL_CHAR('Z'),
4858   EL_STEEL_CHAR('['),
4859
4860   EL_STEEL_CHAR('\\'),
4861   EL_STEEL_CHAR(']'),
4862   EL_STEEL_CHAR('^'),
4863   EL_STEEL_CHAR('_'),
4864
4865   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4866   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4867   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4868   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4869
4870   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4871   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4872   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4873   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4874
4875   EL_STEEL_CHAR(FONT_ASCII_UP),
4876   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4877   EL_STEEL_CHAR(' '),
4878   EL_STEEL_CHAR(' ')
4879 };
4880 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4881 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4882 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4883 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4884
4885 static int editor_hl_custom[] =
4886 {
4887   EL_INTERNAL_CASCADE_CE_ACTIVE,
4888   EL_CHAR('C'),
4889   EL_CHAR('E'),
4890   EL_EMPTY,
4891 };
4892
4893 static int editor_el_custom[] =
4894 {
4895   EL_CUSTOM_START + 0,
4896   EL_CUSTOM_START + 1,
4897   EL_CUSTOM_START + 2,
4898   EL_CUSTOM_START + 3,
4899
4900   EL_CUSTOM_START + 4,
4901   EL_CUSTOM_START + 5,
4902   EL_CUSTOM_START + 6,
4903   EL_CUSTOM_START + 7,
4904
4905   EL_CUSTOM_START + 8,
4906   EL_CUSTOM_START + 9,
4907   EL_CUSTOM_START + 10,
4908   EL_CUSTOM_START + 11,
4909
4910   EL_CUSTOM_START + 12,
4911   EL_CUSTOM_START + 13,
4912   EL_CUSTOM_START + 14,
4913   EL_CUSTOM_START + 15,
4914
4915   EL_CUSTOM_START + 16,
4916   EL_CUSTOM_START + 17,
4917   EL_CUSTOM_START + 18,
4918   EL_CUSTOM_START + 19,
4919
4920   EL_CUSTOM_START + 20,
4921   EL_CUSTOM_START + 21,
4922   EL_CUSTOM_START + 22,
4923   EL_CUSTOM_START + 23,
4924
4925   EL_CUSTOM_START + 24,
4926   EL_CUSTOM_START + 25,
4927   EL_CUSTOM_START + 26,
4928   EL_CUSTOM_START + 27,
4929
4930   EL_CUSTOM_START + 28,
4931   EL_CUSTOM_START + 29,
4932   EL_CUSTOM_START + 30,
4933   EL_CUSTOM_START + 31,
4934
4935   EL_CUSTOM_START + 32,
4936   EL_CUSTOM_START + 33,
4937   EL_CUSTOM_START + 34,
4938   EL_CUSTOM_START + 35,
4939
4940   EL_CUSTOM_START + 36,
4941   EL_CUSTOM_START + 37,
4942   EL_CUSTOM_START + 38,
4943   EL_CUSTOM_START + 39,
4944
4945   EL_CUSTOM_START + 40,
4946   EL_CUSTOM_START + 41,
4947   EL_CUSTOM_START + 42,
4948   EL_CUSTOM_START + 43,
4949
4950   EL_CUSTOM_START + 44,
4951   EL_CUSTOM_START + 45,
4952   EL_CUSTOM_START + 46,
4953   EL_CUSTOM_START + 47,
4954
4955   EL_CUSTOM_START + 48,
4956   EL_CUSTOM_START + 49,
4957   EL_CUSTOM_START + 50,
4958   EL_CUSTOM_START + 51,
4959
4960   EL_CUSTOM_START + 52,
4961   EL_CUSTOM_START + 53,
4962   EL_CUSTOM_START + 54,
4963   EL_CUSTOM_START + 55,
4964
4965   EL_CUSTOM_START + 56,
4966   EL_CUSTOM_START + 57,
4967   EL_CUSTOM_START + 58,
4968   EL_CUSTOM_START + 59,
4969
4970   EL_CUSTOM_START + 60,
4971   EL_CUSTOM_START + 61,
4972   EL_CUSTOM_START + 62,
4973   EL_CUSTOM_START + 63,
4974
4975   EL_CUSTOM_START + 64,
4976   EL_CUSTOM_START + 65,
4977   EL_CUSTOM_START + 66,
4978   EL_CUSTOM_START + 67,
4979
4980   EL_CUSTOM_START + 68,
4981   EL_CUSTOM_START + 69,
4982   EL_CUSTOM_START + 70,
4983   EL_CUSTOM_START + 71,
4984
4985   EL_CUSTOM_START + 72,
4986   EL_CUSTOM_START + 73,
4987   EL_CUSTOM_START + 74,
4988   EL_CUSTOM_START + 75,
4989
4990   EL_CUSTOM_START + 76,
4991   EL_CUSTOM_START + 77,
4992   EL_CUSTOM_START + 78,
4993   EL_CUSTOM_START + 79,
4994
4995   EL_CUSTOM_START + 80,
4996   EL_CUSTOM_START + 81,
4997   EL_CUSTOM_START + 82,
4998   EL_CUSTOM_START + 83,
4999
5000   EL_CUSTOM_START + 84,
5001   EL_CUSTOM_START + 85,
5002   EL_CUSTOM_START + 86,
5003   EL_CUSTOM_START + 87,
5004
5005   EL_CUSTOM_START + 88,
5006   EL_CUSTOM_START + 89,
5007   EL_CUSTOM_START + 90,
5008   EL_CUSTOM_START + 91,
5009
5010   EL_CUSTOM_START + 92,
5011   EL_CUSTOM_START + 93,
5012   EL_CUSTOM_START + 94,
5013   EL_CUSTOM_START + 95,
5014
5015   EL_CUSTOM_START + 96,
5016   EL_CUSTOM_START + 97,
5017   EL_CUSTOM_START + 98,
5018   EL_CUSTOM_START + 99,
5019
5020   EL_CUSTOM_START + 100,
5021   EL_CUSTOM_START + 101,
5022   EL_CUSTOM_START + 102,
5023   EL_CUSTOM_START + 103,
5024
5025   EL_CUSTOM_START + 104,
5026   EL_CUSTOM_START + 105,
5027   EL_CUSTOM_START + 106,
5028   EL_CUSTOM_START + 107,
5029
5030   EL_CUSTOM_START + 108,
5031   EL_CUSTOM_START + 109,
5032   EL_CUSTOM_START + 110,
5033   EL_CUSTOM_START + 111,
5034
5035   EL_CUSTOM_START + 112,
5036   EL_CUSTOM_START + 113,
5037   EL_CUSTOM_START + 114,
5038   EL_CUSTOM_START + 115,
5039
5040   EL_CUSTOM_START + 116,
5041   EL_CUSTOM_START + 117,
5042   EL_CUSTOM_START + 118,
5043   EL_CUSTOM_START + 119,
5044
5045   EL_CUSTOM_START + 120,
5046   EL_CUSTOM_START + 121,
5047   EL_CUSTOM_START + 122,
5048   EL_CUSTOM_START + 123,
5049
5050   EL_CUSTOM_START + 124,
5051   EL_CUSTOM_START + 125,
5052   EL_CUSTOM_START + 126,
5053   EL_CUSTOM_START + 127,
5054
5055   EL_CUSTOM_START + 128,
5056   EL_CUSTOM_START + 129,
5057   EL_CUSTOM_START + 130,
5058   EL_CUSTOM_START + 131,
5059
5060   EL_CUSTOM_START + 132,
5061   EL_CUSTOM_START + 133,
5062   EL_CUSTOM_START + 134,
5063   EL_CUSTOM_START + 135,
5064
5065   EL_CUSTOM_START + 136,
5066   EL_CUSTOM_START + 137,
5067   EL_CUSTOM_START + 138,
5068   EL_CUSTOM_START + 139,
5069
5070   EL_CUSTOM_START + 140,
5071   EL_CUSTOM_START + 141,
5072   EL_CUSTOM_START + 142,
5073   EL_CUSTOM_START + 143,
5074
5075   EL_CUSTOM_START + 144,
5076   EL_CUSTOM_START + 145,
5077   EL_CUSTOM_START + 146,
5078   EL_CUSTOM_START + 147,
5079
5080   EL_CUSTOM_START + 148,
5081   EL_CUSTOM_START + 149,
5082   EL_CUSTOM_START + 150,
5083   EL_CUSTOM_START + 151,
5084
5085   EL_CUSTOM_START + 152,
5086   EL_CUSTOM_START + 153,
5087   EL_CUSTOM_START + 154,
5088   EL_CUSTOM_START + 155,
5089
5090   EL_CUSTOM_START + 156,
5091   EL_CUSTOM_START + 157,
5092   EL_CUSTOM_START + 158,
5093   EL_CUSTOM_START + 159,
5094
5095   EL_CUSTOM_START + 160,
5096   EL_CUSTOM_START + 161,
5097   EL_CUSTOM_START + 162,
5098   EL_CUSTOM_START + 163,
5099
5100   EL_CUSTOM_START + 164,
5101   EL_CUSTOM_START + 165,
5102   EL_CUSTOM_START + 166,
5103   EL_CUSTOM_START + 167,
5104
5105   EL_CUSTOM_START + 168,
5106   EL_CUSTOM_START + 169,
5107   EL_CUSTOM_START + 170,
5108   EL_CUSTOM_START + 171,
5109
5110   EL_CUSTOM_START + 172,
5111   EL_CUSTOM_START + 173,
5112   EL_CUSTOM_START + 174,
5113   EL_CUSTOM_START + 175,
5114
5115   EL_CUSTOM_START + 176,
5116   EL_CUSTOM_START + 177,
5117   EL_CUSTOM_START + 178,
5118   EL_CUSTOM_START + 179,
5119
5120   EL_CUSTOM_START + 180,
5121   EL_CUSTOM_START + 181,
5122   EL_CUSTOM_START + 182,
5123   EL_CUSTOM_START + 183,
5124
5125   EL_CUSTOM_START + 184,
5126   EL_CUSTOM_START + 185,
5127   EL_CUSTOM_START + 186,
5128   EL_CUSTOM_START + 187,
5129
5130   EL_CUSTOM_START + 188,
5131   EL_CUSTOM_START + 189,
5132   EL_CUSTOM_START + 190,
5133   EL_CUSTOM_START + 191,
5134
5135   EL_CUSTOM_START + 192,
5136   EL_CUSTOM_START + 193,
5137   EL_CUSTOM_START + 194,
5138   EL_CUSTOM_START + 195,
5139
5140   EL_CUSTOM_START + 196,
5141   EL_CUSTOM_START + 197,
5142   EL_CUSTOM_START + 198,
5143   EL_CUSTOM_START + 199,
5144
5145   EL_CUSTOM_START + 200,
5146   EL_CUSTOM_START + 201,
5147   EL_CUSTOM_START + 202,
5148   EL_CUSTOM_START + 203,
5149
5150   EL_CUSTOM_START + 204,
5151   EL_CUSTOM_START + 205,
5152   EL_CUSTOM_START + 206,
5153   EL_CUSTOM_START + 207,
5154
5155   EL_CUSTOM_START + 208,
5156   EL_CUSTOM_START + 209,
5157   EL_CUSTOM_START + 210,
5158   EL_CUSTOM_START + 211,
5159
5160   EL_CUSTOM_START + 212,
5161   EL_CUSTOM_START + 213,
5162   EL_CUSTOM_START + 214,
5163   EL_CUSTOM_START + 215,
5164
5165   EL_CUSTOM_START + 216,
5166   EL_CUSTOM_START + 217,
5167   EL_CUSTOM_START + 218,
5168   EL_CUSTOM_START + 219,
5169
5170   EL_CUSTOM_START + 220,
5171   EL_CUSTOM_START + 221,
5172   EL_CUSTOM_START + 222,
5173   EL_CUSTOM_START + 223,
5174
5175   EL_CUSTOM_START + 224,
5176   EL_CUSTOM_START + 225,
5177   EL_CUSTOM_START + 226,
5178   EL_CUSTOM_START + 227,
5179
5180   EL_CUSTOM_START + 228,
5181   EL_CUSTOM_START + 229,
5182   EL_CUSTOM_START + 230,
5183   EL_CUSTOM_START + 231,
5184
5185   EL_CUSTOM_START + 232,
5186   EL_CUSTOM_START + 233,
5187   EL_CUSTOM_START + 234,
5188   EL_CUSTOM_START + 235,
5189
5190   EL_CUSTOM_START + 236,
5191   EL_CUSTOM_START + 237,
5192   EL_CUSTOM_START + 238,
5193   EL_CUSTOM_START + 239,
5194
5195   EL_CUSTOM_START + 240,
5196   EL_CUSTOM_START + 241,
5197   EL_CUSTOM_START + 242,
5198   EL_CUSTOM_START + 243,
5199
5200   EL_CUSTOM_START + 244,
5201   EL_CUSTOM_START + 245,
5202   EL_CUSTOM_START + 246,
5203   EL_CUSTOM_START + 247,
5204
5205   EL_CUSTOM_START + 248,
5206   EL_CUSTOM_START + 249,
5207   EL_CUSTOM_START + 250,
5208   EL_CUSTOM_START + 251,
5209
5210   EL_CUSTOM_START + 252,
5211   EL_CUSTOM_START + 253,
5212   EL_CUSTOM_START + 254,
5213   EL_CUSTOM_START + 255
5214 };
5215 static int *editor_hl_custom_ptr = editor_hl_custom;
5216 static int *editor_el_custom_ptr = editor_el_custom;
5217 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5218 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5219
5220 static int editor_hl_group[] =
5221 {
5222   EL_INTERNAL_CASCADE_GE_ACTIVE,
5223   EL_CHAR('G'),
5224   EL_CHAR('E'),
5225   EL_EMPTY,
5226 };
5227
5228 static int editor_el_group[] =
5229 {
5230   EL_GROUP_START + 0,
5231   EL_GROUP_START + 1,
5232   EL_GROUP_START + 2,
5233   EL_GROUP_START + 3,
5234
5235   EL_GROUP_START + 4,
5236   EL_GROUP_START + 5,
5237   EL_GROUP_START + 6,
5238   EL_GROUP_START + 7,
5239
5240   EL_GROUP_START + 8,
5241   EL_GROUP_START + 9,
5242   EL_GROUP_START + 10,
5243   EL_GROUP_START + 11,
5244
5245   EL_GROUP_START + 12,
5246   EL_GROUP_START + 13,
5247   EL_GROUP_START + 14,
5248   EL_GROUP_START + 15,
5249
5250   EL_GROUP_START + 16,
5251   EL_GROUP_START + 17,
5252   EL_GROUP_START + 18,
5253   EL_GROUP_START + 19,
5254
5255   EL_GROUP_START + 20,
5256   EL_GROUP_START + 21,
5257   EL_GROUP_START + 22,
5258   EL_GROUP_START + 23,
5259
5260   EL_GROUP_START + 24,
5261   EL_GROUP_START + 25,
5262   EL_GROUP_START + 26,
5263   EL_GROUP_START + 27,
5264
5265   EL_GROUP_START + 28,
5266   EL_GROUP_START + 29,
5267   EL_GROUP_START + 30,
5268   EL_GROUP_START + 31
5269 };
5270 static int *editor_hl_group_ptr = editor_hl_group;
5271 static int *editor_el_group_ptr = editor_el_group;
5272 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5273 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5274
5275 static int editor_hl_reference[] =
5276 {
5277   EL_INTERNAL_CASCADE_REF_ACTIVE,
5278   EL_CHAR('R'),
5279   EL_CHAR('E'),
5280   EL_CHAR('F')
5281 };
5282
5283 static int editor_el_reference[] =
5284 {
5285   EL_TRIGGER_PLAYER,
5286   EL_TRIGGER_ELEMENT,
5287   EL_TRIGGER_CE_VALUE,
5288   EL_TRIGGER_CE_SCORE,
5289
5290   EL_SELF,
5291   EL_ANY_ELEMENT,
5292   EL_CURRENT_CE_VALUE,
5293   EL_CURRENT_CE_SCORE,
5294
5295   EL_PREV_CE_8,
5296   EL_PREV_CE_7,
5297   EL_PREV_CE_6,
5298   EL_PREV_CE_5,
5299
5300   EL_PREV_CE_4,
5301   EL_PREV_CE_3,
5302   EL_PREV_CE_2,
5303   EL_PREV_CE_1,
5304
5305   EL_NEXT_CE_1,
5306   EL_NEXT_CE_2,
5307   EL_NEXT_CE_3,
5308   EL_NEXT_CE_4,
5309
5310   EL_NEXT_CE_5,
5311   EL_NEXT_CE_6,
5312   EL_NEXT_CE_7,
5313   EL_NEXT_CE_8,
5314 };
5315 static int *editor_hl_reference_ptr = editor_hl_reference;
5316 static int *editor_el_reference_ptr = editor_el_reference;
5317 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5318 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5319
5320 static int editor_hl_user_defined[] =
5321 {
5322   EL_INTERNAL_CASCADE_USER_ACTIVE,
5323   EL_CHAR('M'),
5324   EL_CHAR('Y'),
5325   EL_EMPTY,
5326 };
5327
5328 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5329 static int *editor_el_user_defined_ptr = NULL;
5330 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5331 static int num_editor_el_user_defined = 0;
5332
5333 static int editor_hl_dynamic[] =
5334 {
5335   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5336   EL_CHAR('U'),
5337   EL_CHAR('S'),
5338   EL_CHAR('E'),
5339 };
5340
5341 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5342 static int *editor_el_dynamic_ptr = NULL;
5343 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5344 static int num_editor_el_dynamic = 0;
5345
5346 static int editor_hl_empty[] = { EL_EMPTY };
5347 static int *editor_el_empty = NULL;     // dynamically allocated
5348
5349 static int *editor_hl_empty_ptr = editor_hl_empty;
5350 static int *editor_el_empty_ptr = NULL;
5351 static int num_editor_hl_empty = 0;
5352 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5353
5354 static boolean use_el_empty = FALSE;
5355
5356 static int *editor_elements = NULL;     // dynamically allocated
5357 static int num_editor_elements = 0;     // dynamically determined
5358
5359 static boolean setup_editor_cascade_never = FALSE;
5360
5361 static boolean setup_editor_el_players                  = TRUE;
5362 static boolean setup_editor_el_boulderdash              = TRUE;
5363 static boolean setup_editor_el_emerald_mine             = TRUE;
5364 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5365 static boolean setup_editor_el_more                     = TRUE;
5366 static boolean setup_editor_el_sokoban                  = TRUE;
5367 static boolean setup_editor_el_supaplex                 = TRUE;
5368 static boolean setup_editor_el_diamond_caves            = TRUE;
5369 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5370 static boolean setup_editor_el_mirror_magic             = TRUE;
5371 static boolean setup_editor_el_deflektor                = TRUE;
5372 static boolean setup_editor_el_chars                    = TRUE;
5373 static boolean setup_editor_el_steel_chars              = TRUE;
5374 static boolean setup_editor_el_custom                   = TRUE;
5375 static boolean setup_editor_el_user_defined             = TRUE;
5376 static boolean setup_editor_el_dynamic                  = TRUE;
5377
5378 static int editor_hl_unused[] = { EL_EMPTY };
5379 static int *editor_hl_unused_ptr = editor_hl_unused;
5380 static int num_editor_hl_unused = 0;
5381
5382 static struct
5383 {
5384   boolean *setup_value;
5385   boolean *setup_cascade_value;
5386
5387   int **headline_list;
5388   int *headline_list_size;
5389
5390   int **element_list;
5391   int *element_list_size;
5392
5393   boolean last_setup_value;
5394 }
5395 editor_elements_info[] =
5396 {
5397   {
5398     &setup_editor_el_players,
5399     &setup_editor_cascade_never,
5400     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5401     &editor_el_players_ptr,             &num_editor_el_players
5402   },
5403   {
5404     &setup_editor_el_boulderdash,
5405     &setup.editor_cascade.el_bd,
5406     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5407     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5408   },
5409   {
5410     &setup_editor_el_emerald_mine,
5411     &setup.editor_cascade.el_em,
5412     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5413     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5414   },
5415   {
5416     &setup_editor_el_emerald_mine_club,
5417     &setup.editor_cascade.el_emc,
5418     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5419     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5420   },
5421   {
5422     &setup_editor_el_more,
5423     &setup.editor_cascade.el_rnd,
5424     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5425     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5426   },
5427   {
5428     &setup_editor_el_sokoban,
5429     &setup.editor_cascade.el_sb,
5430     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5431     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5432   },
5433   {
5434     &setup_editor_el_supaplex,
5435     &setup.editor_cascade.el_sp,
5436     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5437     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5438   },
5439   {
5440     &setup_editor_el_diamond_caves,
5441     &setup.editor_cascade.el_dc,
5442     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5443     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5444   },
5445   {
5446     &setup_editor_el_dx_boulderdash,
5447     &setup.editor_cascade.el_dx,
5448     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5449     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5450   },
5451   {
5452     &setup_editor_el_mirror_magic,
5453     &setup.editor_cascade.el_mm,
5454     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5455     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5456   },
5457   {
5458     &setup_editor_el_deflektor,
5459     &setup.editor_cascade.el_df,
5460     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5461     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5462   },
5463   {
5464     &setup_editor_el_chars,
5465     &setup.editor_cascade.el_chars,
5466     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5467     &editor_el_chars_ptr,               &num_editor_el_chars
5468   },
5469   {
5470     &setup_editor_el_steel_chars,
5471     &setup.editor_cascade.el_steel_chars,
5472     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5473     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5474   },
5475   {
5476     &setup_editor_el_custom,
5477     &setup.editor_cascade.el_ce,
5478     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5479     &editor_el_custom_ptr,              &num_editor_el_custom
5480   },
5481   {
5482     &setup_editor_el_custom,
5483     &setup.editor_cascade.el_ge,
5484     &editor_hl_group_ptr,               &num_editor_hl_group,
5485     &editor_el_group_ptr,               &num_editor_el_group
5486   },
5487   {
5488     &setup_editor_el_custom,
5489     &setup.editor_cascade.el_ref,
5490     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5491     &editor_el_reference_ptr,           &num_editor_el_reference
5492   },
5493   {
5494     &setup_editor_el_user_defined,
5495     &setup.editor_cascade.el_user,
5496     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5497     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5498   },
5499   {
5500     &setup_editor_el_dynamic,
5501     &setup.editor_cascade.el_dynamic,
5502     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5503     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5504   },
5505   {
5506     &use_el_empty,
5507     &use_el_empty,
5508     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5509     &editor_el_empty_ptr,               &num_editor_el_empty,
5510   },
5511   {
5512     NULL,
5513     NULL,
5514     NULL,                               NULL,
5515     NULL,                               NULL
5516   }
5517 };
5518
5519
5520 // ----------------------------------------------------------------------------
5521 // functions
5522 // ----------------------------------------------------------------------------
5523
5524 static int getMaxInfoTextLength(void)
5525 {
5526   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5527 }
5528
5529 static int getTextWidthForGadget(char *text)
5530 {
5531   if (text == NULL)
5532     return 0;
5533
5534   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5535 }
5536
5537 static int getTextWidthForDrawingArea(char *text)
5538 {
5539   if (text == NULL)
5540     return 0;
5541
5542   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5543 }
5544
5545 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5546 {
5547   return (gi->x + gi->width + getTextWidthForGadget(text));
5548 }
5549
5550 static char *getElementInfoText(int element)
5551 {
5552   char *info_text = NULL;
5553
5554   if (element < MAX_NUM_ELEMENTS)
5555   {
5556     if (strlen(element_info[element].description) > 0)
5557       info_text = element_info[element].description;
5558     else if (element_info[element].custom_description != NULL)
5559       info_text = element_info[element].custom_description;
5560     else if (element_info[element].editor_description != NULL)
5561       info_text = element_info[element].editor_description;
5562   }
5563
5564   if (info_text == NULL)
5565     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5566
5567   return info_text;
5568 }
5569
5570 static char *getElementDescriptionFilenameExt(char *basename)
5571 {
5572   char *elements_subdir = "elements";
5573   static char *elements_subdir2 = NULL;
5574   static char *filename = NULL;
5575
5576   if (elements_subdir2 == NULL)
5577     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5578
5579   checked_free(filename);
5580
5581   // 1st try: look for element description in current level set directory
5582   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5583   if (fileExists(filename))
5584     return filename;
5585
5586   free(filename);
5587
5588   // 2nd try: look for element description in the game's base directory
5589   filename = getPath3(options.docs_directory, elements_subdir, basename);
5590   if (fileExists(filename))
5591     return filename;
5592
5593   return NULL;
5594 }
5595
5596 static char *getElementDescriptionFilename(int element)
5597 {
5598   char basename[MAX_FILENAME_LEN];
5599   char *filename;
5600
5601   // 1st try: look for element description file for exactly this element
5602   sprintf(basename, "%s.txt", element_info[element].token_name);
5603   filename = getElementDescriptionFilenameExt(basename);
5604   if (filename != NULL)
5605     return filename;
5606
5607   // 2nd try: look for element description file for this element's class
5608   sprintf(basename, "%s.txt", element_info[element].class_name);
5609   filename = getElementDescriptionFilenameExt(basename);
5610   if (filename != NULL)
5611     return filename;
5612
5613   return NULL;
5614 }
5615
5616 static boolean suppressBorderElement(void)
5617 {
5618   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5619           lev_fieldx <= MAX_ED_FIELDX &&
5620           lev_fieldy <= MAX_ED_FIELDY);
5621 }
5622
5623 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5624 {
5625   boolean element_found[NUM_FILE_ELEMENTS];
5626   int i, x, y;
5627
5628   // initialize list of used elements to "not used"
5629   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5630     element_found[i] = FALSE;
5631
5632   // find all elements used in current level
5633   for (y = 0; y < lev_fieldy; y++)
5634     for (x = 0; x < lev_fieldx; x++)
5635       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5636         element_found[Tile[x][y]] = TRUE;
5637
5638   *num_elements = 0;
5639
5640   // count number of elements used in current level
5641   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5642     if (element_found[i])
5643       (*num_elements)++;
5644
5645   // add space for up to 3 more elements for padding that may be needed
5646   *num_elements += 3;
5647
5648   // free memory for old list of elements, if needed
5649   checked_free(*elements);
5650
5651   // allocate memory for new list of elements
5652   *elements = checked_malloc(*num_elements * sizeof(int));
5653
5654   *num_elements = 0;
5655
5656   // add all elements used in current level (non-custom/group elements)
5657   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5658     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5659       (*elements)[(*num_elements)++] = i;
5660
5661   // add all elements used in current level (custom/group elements)
5662   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5663     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5664       (*elements)[(*num_elements)++] = i;
5665
5666   while (*num_elements % 4)     // pad with empty elements, if needed
5667     (*elements)[(*num_elements)++] = EL_EMPTY;
5668 }
5669
5670 static void ReinitializeElementList_EnableSections(void)
5671 {
5672   // default: enable all element sections
5673
5674   setup_editor_el_players               = TRUE;
5675   setup_editor_el_boulderdash           = TRUE;
5676   setup_editor_el_emerald_mine          = TRUE;
5677   setup_editor_el_emerald_mine_club     = TRUE;
5678   setup_editor_el_more                  = TRUE;
5679   setup_editor_el_sokoban               = TRUE;
5680   setup_editor_el_supaplex              = TRUE;
5681   setup_editor_el_diamond_caves         = TRUE;
5682   setup_editor_el_dx_boulderdash        = TRUE;
5683   setup_editor_el_mirror_magic          = TRUE;
5684   setup_editor_el_deflektor             = TRUE;
5685   setup_editor_el_chars                 = TRUE;
5686   setup_editor_el_steel_chars           = TRUE;
5687
5688   setup_editor_el_custom                = TRUE;
5689   setup_editor_el_user_defined          = TRUE;
5690   setup_editor_el_dynamic               = TRUE;
5691
5692   // now disable all element sections not to be displayed
5693
5694   if (!setup.editor.el_classic)
5695   {
5696     setup_editor_el_players             = FALSE;
5697     setup_editor_el_boulderdash         = FALSE;
5698     setup_editor_el_emerald_mine        = FALSE;
5699     setup_editor_el_emerald_mine_club   = FALSE;
5700     setup_editor_el_more                = FALSE;
5701     setup_editor_el_sokoban             = FALSE;
5702     setup_editor_el_supaplex            = FALSE;
5703     setup_editor_el_diamond_caves       = FALSE;
5704     setup_editor_el_dx_boulderdash      = FALSE;
5705     setup_editor_el_mirror_magic        = FALSE;
5706     setup_editor_el_deflektor           = FALSE;
5707     setup_editor_el_chars               = FALSE;
5708     setup_editor_el_steel_chars         = FALSE;
5709   }
5710
5711   if (!setup.editor.el_custom)
5712   {
5713     setup_editor_el_custom              = FALSE;
5714   }
5715
5716   if (!setup.editor.el_user_defined)
5717   {
5718     setup_editor_el_user_defined        = FALSE;
5719   }
5720
5721   if (!setup.editor.el_dynamic)
5722   {
5723     setup_editor_el_dynamic             = FALSE;
5724   }
5725
5726   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5727   {
5728     setup_editor_el_mirror_magic        = FALSE;
5729     setup_editor_el_deflektor           = FALSE;
5730   }
5731   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5732   {
5733     setup_editor_el_boulderdash         = FALSE;
5734     setup_editor_el_more                = FALSE;
5735     setup_editor_el_sokoban             = FALSE;
5736     setup_editor_el_supaplex            = FALSE;
5737     setup_editor_el_diamond_caves       = FALSE;
5738     setup_editor_el_dx_boulderdash      = FALSE;
5739     setup_editor_el_mirror_magic        = FALSE;
5740     setup_editor_el_deflektor           = FALSE;
5741     setup_editor_el_steel_chars         = FALSE;
5742
5743     setup_editor_el_custom              = FALSE;
5744   }
5745   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5746   {
5747     setup_editor_el_players             = FALSE;
5748     setup_editor_el_boulderdash         = FALSE;
5749     setup_editor_el_emerald_mine        = FALSE;
5750     setup_editor_el_emerald_mine_club   = FALSE;
5751     setup_editor_el_more                = FALSE;
5752     setup_editor_el_sokoban             = FALSE;
5753     setup_editor_el_diamond_caves       = FALSE;
5754     setup_editor_el_dx_boulderdash      = FALSE;
5755     setup_editor_el_mirror_magic        = FALSE;
5756     setup_editor_el_deflektor           = FALSE;
5757     setup_editor_el_chars               = FALSE;
5758     setup_editor_el_steel_chars         = FALSE;
5759
5760     setup_editor_el_custom              = FALSE;
5761   }
5762   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5763   {
5764     setup_editor_el_players             = FALSE;
5765     setup_editor_el_boulderdash         = FALSE;
5766     setup_editor_el_emerald_mine        = FALSE;
5767     setup_editor_el_emerald_mine_club   = FALSE;
5768     setup_editor_el_more                = FALSE;
5769     setup_editor_el_sokoban             = FALSE;
5770     setup_editor_el_supaplex            = FALSE;
5771     setup_editor_el_diamond_caves       = FALSE;
5772     setup_editor_el_dx_boulderdash      = FALSE;
5773     setup_editor_el_steel_chars         = FALSE;
5774
5775     setup_editor_el_custom              = FALSE;
5776   }
5777 }
5778
5779 static void ReinitializeElementList(void)
5780 {
5781   static boolean initialization_needed = TRUE;
5782   int pos = 0;
5783   int i, j;
5784
5785   ReinitializeElementList_EnableSections();
5786
5787   if (initialization_needed)
5788   {
5789     LoadSetup_EditorCascade();          // load last editor cascade state
5790
5791     // initialize editor cascade element from saved cascade state
5792     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5793     {
5794       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5795       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5796
5797       if (IS_EDITOR_CASCADE(*cascade_element))
5798         *cascade_element =
5799           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5800            EL_CASCADE_INACTIVE(*cascade_element));
5801     }
5802
5803     initialization_needed = FALSE;
5804   }
5805
5806   checked_free(editor_elements);
5807
5808   // reload optional user defined element list for each invocation of editor
5809   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5810                                    &num_editor_el_user_defined);
5811
5812   // initialize dynamic level element list for each invocation of editor
5813   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5814                                &num_editor_el_dynamic);
5815
5816   // initialize list of empty elements (used for padding, if needed)
5817   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5818     editor_el_empty[i] = EL_EMPTY;
5819
5820   // do some sanity checks for each element from element list
5821   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5822   {
5823     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5824     {
5825       int element = (*editor_elements_info[i].element_list)[j];
5826
5827       if (element >= NUM_FILE_ELEMENTS)
5828         Warn("editor element %d is runtime element", element);
5829
5830       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5831         Warn("no element description text for element %d", element);
5832     }
5833   }
5834
5835   num_editor_elements = 0;
5836   use_el_empty = FALSE;
5837
5838   // determine size of element list
5839   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5840   {
5841     boolean found_inactive_cascade = FALSE;
5842
5843     if (*editor_elements_info[i].setup_value)
5844     {
5845       if (setup.editor.el_headlines)
5846       {
5847         // required for correct padding of palette headline buttons
5848         if (*editor_elements_info[i].headline_list_size > 0)
5849           num_editor_elements += ED_ELEMENTLIST_COLS;
5850
5851         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5852         {
5853           int element = (*editor_elements_info[i].headline_list)[j];
5854
5855           if (IS_EDITOR_CASCADE_INACTIVE(element))
5856             found_inactive_cascade = TRUE;
5857         }
5858       }
5859
5860       if (found_inactive_cascade)
5861         continue;
5862
5863       // required for correct padding of palette element buttons
5864       int element_list_size = *editor_elements_info[i].element_list_size;
5865       int element_rows =
5866         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5867       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5868
5869       num_editor_elements += element_buttons;
5870     }
5871   }
5872
5873   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5874   {
5875     // offer at least as many elements as element buttons exist
5876     use_el_empty = TRUE;
5877     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5878
5879     num_editor_elements += num_editor_el_empty;
5880   }
5881   else
5882   {
5883     num_editor_el_empty = 0;
5884   }
5885
5886   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5887
5888   // fill element list
5889   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5890   {
5891     boolean found_inactive_cascade = FALSE;
5892
5893     if (*editor_elements_info[i].setup_value)
5894     {
5895       if (setup.editor.el_headlines)
5896       {
5897         // required for correct padding of palette headline buttons
5898         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5899                              ED_ELEMENTLIST_COLS : 0);
5900
5901         for (j = 0; j < headline_size; j++)
5902         {
5903           // use empty elements for padding of palette headline buttons
5904           int element = (j < *editor_elements_info[i].headline_list_size ?
5905                          (*editor_elements_info[i].headline_list)[j] :
5906                          editor_el_empty[0]);
5907
5908           editor_elements[pos++] = element;
5909
5910           if (IS_EDITOR_CASCADE_INACTIVE(element))
5911             found_inactive_cascade = TRUE;
5912         }
5913       }
5914
5915       if (found_inactive_cascade)
5916         continue;
5917
5918       // required for correct padding of palette element buttons
5919       int element_list_size = *editor_elements_info[i].element_list_size;
5920       int element_rows =
5921         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5922       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5923
5924       // copy all elements from element list
5925       for (j = 0; j < element_list_size; j++)
5926         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5927
5928       // use empty elements for padding of palette element buttons
5929       for (j = 0; j < element_buttons - element_list_size; j++)
5930         editor_elements[pos++] = editor_el_empty[0];
5931     }
5932   }
5933
5934   // (this function is also called before editor gadgets are initialized!)
5935   AdjustElementListScrollbar();
5936 }
5937
5938 void PrintEditorElementList(void)
5939 {
5940   boolean *stop = &setup_editor_el_user_defined;
5941   int i, j;
5942
5943   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5944   {
5945     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5946
5947     if (IS_EDITOR_CASCADE(cascade_element))
5948     {
5949       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5950       char *headline = element_info[cascade_element_show].editor_description;
5951
5952       PrintLineWithPrefix("# ", "-", 77);
5953       Print("# %s\n", headline);
5954       PrintLineWithPrefix("# ", "-", 77);
5955     }
5956
5957     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5958     {
5959       int element = (*editor_elements_info[i].headline_list)[j];
5960
5961       if (IS_EDITOR_CASCADE(element))
5962         element = EL_CHAR_MINUS;
5963
5964       Print("# %s\n", element_info[element].token_name);
5965     }
5966
5967     if (j > 0)
5968       Print("#\n");
5969
5970     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5971     {
5972       int element = (*editor_elements_info[i].element_list)[j];
5973
5974       Print("# %s\n", element_info[element].token_name);
5975     }
5976
5977     if (j > 0)
5978       Print("#\n");
5979   }
5980 }
5981
5982 static void ReinitializeElementListButtons(void)
5983 {
5984   static boolean last_setup_value_headlines = FALSE;
5985   static boolean initialization_needed = TRUE;
5986   int i;
5987
5988   if (!initialization_needed)   // check if editor element setup has changed
5989   {
5990     if (last_setup_value_headlines != setup.editor.el_headlines)
5991       initialization_needed = TRUE;
5992
5993     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5994       if (editor_elements_info[i].last_setup_value !=
5995           *editor_elements_info[i].setup_value)
5996         initialization_needed = TRUE;
5997   }
5998
5999   if (!initialization_needed)
6000     return;
6001
6002   FreeLevelEditorGadgets();
6003   CreateLevelEditorGadgets();
6004
6005   // store current setup values for next invocation of this function
6006   last_setup_value_headlines = setup.editor.el_headlines;
6007   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6008     editor_elements_info[i].last_setup_value =
6009       *editor_elements_info[i].setup_value;
6010
6011   initialization_needed = FALSE;
6012 }
6013
6014 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6015                               boolean input)
6016 {
6017   int border_graphic =
6018     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6019   struct GraphicInfo *g = &graphic_info[border_graphic];
6020   Bitmap *src_bitmap = g->bitmap;
6021   int src_x = g->src_x;
6022   int src_y = g->src_y;
6023   int border_size = g->border_size;
6024   int border_xpos = g->width  - border_size;
6025   int border_ypos = g->height - border_size;
6026   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6027   int i;
6028
6029   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6030              border_size, border_size,
6031              dest_x - border_size, dest_y - border_size);
6032   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6033              border_size, border_size,
6034              dest_x + width, dest_y - border_size);
6035   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6036              border_size, border_size,
6037              dest_x - border_size, dest_y + height);
6038   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6039              border_size, border_size,
6040              dest_x + width, dest_y + height);
6041
6042   for (i = 0; i < width / tilesize; i++)
6043   {
6044     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6045                tilesize, border_size,
6046                dest_x + i * tilesize, dest_y - border_size);
6047     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6048                tilesize, border_size,
6049                dest_x + i * tilesize, dest_y + height);
6050   }
6051
6052   for (i = 0; i < height / tilesize; i++)
6053   {
6054     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6055                border_size, tilesize,
6056                dest_x - border_size, dest_y + i * tilesize);
6057     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6058                border_size, tilesize,
6059                dest_x + width, dest_y + i * tilesize);
6060   }
6061
6062   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6063 }
6064
6065 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6066 {
6067   int xsize_tile = MAX(ed_tilesize, xsize);
6068   int ysize_tile = MAX(ed_tilesize, ysize);
6069   int xsize_full = xsize + 1;
6070   int ysize_full = ysize + 1;
6071   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6072   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6073   Pixel line_color = getTabulatorBarColor();
6074
6075   if (line_color == BLACK_PIXEL)                // black => transparent
6076     return;
6077
6078   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6079   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6080   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6081 }
6082
6083 static void DrawEditorLevelBorderLinesIfNeeded(void)
6084 {
6085   int xsize = lev_fieldx * ed_tilesize;
6086   int ysize = lev_fieldy * ed_tilesize;
6087   int line_size = getTabulatorBarHeight();
6088
6089   if (!suppressBorderElement())
6090     return;
6091
6092   // draw little border line around editable level playfield
6093
6094   if (xsize < SXSIZE)
6095     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6096
6097   if (ysize < SYSIZE)
6098     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6099
6100   if (xsize < SXSIZE && ysize < SYSIZE)
6101     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6102 }
6103
6104 static void DrawEditorElement(int x, int y, int element)
6105 {
6106   DrawSizedElement(x, y, element, ed_tilesize);
6107 }
6108
6109 static void DrawEditorElementThruMask(int x, int y, int element)
6110 {
6111   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6112 }
6113
6114 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6115 {
6116   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6117 }
6118
6119 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6120 {
6121   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6122   DrawEditorLevelBorderLinesIfNeeded();
6123 }
6124
6125 static void DrawDrawingArea(int id)
6126 {
6127   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6128   int x, y;
6129
6130   int *value = drawingarea_info[id].value;
6131   int area_xsize = drawingarea_info[id].area_xsize;
6132   int area_ysize = drawingarea_info[id].area_ysize;
6133   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6134
6135   for (x = 0; x < area_xsize; x++)
6136     for (y = 0; y < area_ysize; y++)
6137       DrawSizedGraphicExt(drawto,
6138                           gi->x + x * tilesize,
6139                           gi->y + y * tilesize,
6140                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6141 }
6142
6143 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6144 {
6145   int x, y;
6146   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6147   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6148
6149   BlitBitmap(drawto, drawto,
6150              SX + (dx == -1 ? ed_tilesize : 0),
6151              SY + (dy == -1 ? ed_tilesize : 0),
6152              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6153              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6154              SX + (dx == +1 ? ed_tilesize : 0),
6155              SY + (dy == +1 ? ed_tilesize : 0));
6156
6157   if (dx)
6158   {
6159     x = (dx == 1 ? 0 : ed_fieldx - 1);
6160     for (y = 0; y < ed_fieldy; y++)
6161       DrawEditorElementOrWall(x, y, from_x, from_y);
6162   }
6163   else if (dy)
6164   {
6165     y = (dy == 1 ? 0 : ed_fieldy - 1);
6166     for (x = 0; x < ed_fieldx; x++)
6167       DrawEditorElementOrWall(x, y, from_x, from_y);
6168   }
6169
6170   redraw_mask |= REDRAW_FIELD;
6171   BackToFront();
6172 }
6173
6174 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6175                                    int *x, int *y)
6176 {
6177   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6178 }
6179
6180 static void CreateControlButtons(void)
6181 {
6182   struct GadgetInfo *gi;
6183   int i;
6184
6185   // create toolbox buttons
6186   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6187   {
6188     int id = controlbutton_info[i].gadget_id;
6189     int type = controlbutton_info[i].gadget_type;
6190     int graphic = controlbutton_info[i].graphic;
6191     struct XYTileSize *pos = controlbutton_info[i].pos;
6192     struct GraphicInfo *gd = &graphic_info[graphic];
6193     Bitmap *deco_bitmap = NULL;
6194     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6195     int tile_size = 0, deco_shift = 0;
6196     boolean deco_masked = FALSE;
6197     int gd_x1 = gd->src_x;
6198     int gd_y1 = gd->src_y;
6199     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6200     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6201     int gd_x1a = gd->src_x + gd->active_xoffset;
6202     int gd_y1a = gd->src_y + gd->active_yoffset;
6203     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6204     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6205     int x = pos->x;
6206     int y = pos->y;
6207     unsigned int event_mask;
6208     int radio_button_nr = RADIO_NR_NONE;
6209     boolean checked = FALSE;
6210
6211     if (type == GD_TYPE_RADIO_BUTTON)
6212     {
6213       event_mask = GD_EVENT_PRESSED;
6214       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6215
6216       if (id == drawing_function)
6217         checked = TRUE;
6218     }
6219     else
6220     {
6221       if (id == GADGET_ID_WRAP_LEFT ||
6222           id == GADGET_ID_WRAP_RIGHT ||
6223           id == GADGET_ID_WRAP_UP ||
6224           id == GADGET_ID_WRAP_DOWN)
6225         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6226       else
6227         event_mask = GD_EVENT_RELEASED;
6228     }
6229
6230     if (id == GADGET_ID_PROPERTIES ||
6231         id == GADGET_ID_PALETTE)
6232     {
6233       x += DX;
6234       y += DY;
6235     }
6236     else if (id == GADGET_ID_ELEMENT_LEFT ||
6237              id == GADGET_ID_ELEMENT_MIDDLE ||
6238              id == GADGET_ID_ELEMENT_RIGHT)
6239     {
6240       x += DX;
6241       y += DY;
6242
6243       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6244                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6245                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6246
6247       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6248                                    editor.button.element_left.tile_size :
6249                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6250                                    editor.button.element_middle.tile_size :
6251                                    id == GADGET_ID_ELEMENT_RIGHT ?
6252                                    editor.button.element_right.tile_size : 0);
6253
6254       // make sure that decoration does not overlap gadget border
6255       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6256
6257       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6258
6259       deco_xpos = (gd->width  - tile_size) / 2;
6260       deco_ypos = (gd->height - tile_size) / 2;
6261       deco_shift = 1;
6262       deco_masked = gd->draw_masked;
6263     }
6264     else
6265     {
6266       x += EX;
6267       y += EY;
6268     }
6269
6270     gi = CreateGadget(GDI_CUSTOM_ID, id,
6271                       GDI_CUSTOM_TYPE_ID, i,
6272                       GDI_IMAGE_ID, graphic,
6273                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6274                       GDI_X, x,
6275                       GDI_Y, y,
6276                       GDI_WIDTH, gd->width,
6277                       GDI_HEIGHT, gd->height,
6278                       GDI_TYPE, type,
6279                       GDI_STATE, GD_BUTTON_UNPRESSED,
6280                       GDI_RADIO_NR, radio_button_nr,
6281                       GDI_CHECKED, checked,
6282                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6283                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6284                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6285                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6286                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6287                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6288                       GDI_DECORATION_SIZE, tile_size, tile_size,
6289                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6290                       GDI_DECORATION_MASKED, deco_masked,
6291                       GDI_EVENT_MASK, event_mask,
6292                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6293                       GDI_CALLBACK_ACTION, HandleControlButtons,
6294                       GDI_END);
6295
6296     if (gi == NULL)
6297       Fail("cannot create gadget");
6298
6299     level_editor_gadget[id] = gi;
6300   }
6301
6302   // these values are not constant, but can change at runtime
6303   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6304   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6305   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6306   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6307   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6308   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6309   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6310   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6311   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6312   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6313   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6314   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6315
6316   // create buttons for scrolling of drawing area and element list
6317   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6318   {
6319     int id = scrollbutton_info[i].gadget_id;
6320     int graphic = scrollbutton_info[i].graphic;
6321     struct GraphicInfo *gd = &graphic_info[graphic];
6322     Bitmap *gd_bitmap = gd->bitmap;
6323     int gd_x1 = gd->src_x;
6324     int gd_y1 = gd->src_y;
6325     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6326     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6327     int width  = gd->width;
6328     int height = gd->height;
6329     int x = scrollbutton_pos[i].x;
6330     int y = scrollbutton_pos[i].y;
6331     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6332
6333     if (id == GADGET_ID_SCROLL_LIST_UP ||
6334         id == GADGET_ID_SCROLL_LIST_DOWN)
6335     {
6336       x += PX;
6337       y += PY;
6338     }
6339     else
6340     {
6341       x += SX;
6342       y += SY;
6343     }
6344
6345     gi = CreateGadget(GDI_CUSTOM_ID, id,
6346                       GDI_CUSTOM_TYPE_ID, i,
6347                       GDI_IMAGE_ID, graphic,
6348                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6349                       GDI_X, x,
6350                       GDI_Y, y,
6351                       GDI_WIDTH, width,
6352                       GDI_HEIGHT, height,
6353                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6354                       GDI_STATE, GD_BUTTON_UNPRESSED,
6355                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6356                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6357                       GDI_EVENT_MASK, event_mask,
6358                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6359                       GDI_CALLBACK_ACTION, HandleControlButtons,
6360                       GDI_END);
6361
6362     if (gi == NULL)
6363       Fail("cannot create gadget");
6364
6365     level_editor_gadget[id] = gi;
6366   }
6367
6368   // create buttons for element list
6369   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6370   {
6371     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6372     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6373     struct GraphicInfo *gd = &graphic_info[graphic];
6374     Bitmap *gd_bitmap = gd->bitmap;
6375     Bitmap *deco_bitmap;
6376     int deco_x, deco_y, deco_xpos, deco_ypos;
6377     int gd_x1 = gd->src_x;
6378     int gd_y1 = gd->src_y;
6379     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6380     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6381     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6382     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6383     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6384     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6385     int element = editor_elements[i];
6386     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6387     unsigned int event_mask = GD_EVENT_RELEASED;
6388
6389     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6390
6391     deco_xpos = (gd->width  - tile_size) / 2;
6392     deco_ypos = (gd->height - tile_size) / 2;
6393
6394     gi = CreateGadget(GDI_CUSTOM_ID, id,
6395                       GDI_CUSTOM_TYPE_ID, i,
6396                       GDI_IMAGE_ID, graphic,
6397                       GDI_INFO_TEXT, getElementInfoText(element),
6398                       GDI_X, x,
6399                       GDI_Y, y,
6400                       GDI_WIDTH, gd->width,
6401                       GDI_HEIGHT, gd->height,
6402                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6403                       GDI_STATE, GD_BUTTON_UNPRESSED,
6404                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6405                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6406                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6407                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6408                       GDI_DECORATION_SIZE, tile_size, tile_size,
6409                       GDI_DECORATION_SHIFTING, 1, 1,
6410                       GDI_EVENT_MASK, event_mask,
6411                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6412                       GDI_CALLBACK_ACTION, HandleControlButtons,
6413                       GDI_END);
6414
6415     if (gi == NULL)
6416       Fail("cannot create gadget");
6417
6418     level_editor_gadget[id] = gi;
6419   }
6420 }
6421
6422 static void CreateCounterButtons(void)
6423 {
6424   int max_infotext_len = getMaxInfoTextLength();
6425   int i;
6426
6427   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6428   {
6429     int j;
6430     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6431     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6432
6433     // determine horizontal position to the right of specified gadget
6434     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6435       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6436            ED_GADGET_TEXT_DISTANCE);
6437
6438     // determine horizontal offset for leading text
6439     if (counterbutton_info[i].text_left != NULL)
6440       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6441
6442     for (j = 0; j < 2; j++)
6443     {
6444       struct GadgetInfo *gi;
6445       int id = (j == 0 ?
6446                 counterbutton_info[i].gadget_id_down :
6447                 counterbutton_info[i].gadget_id_up);
6448       int graphic;
6449       struct GraphicInfo *gd;
6450       int gd_x1, gd_x2, gd_y1, gd_y2;
6451       unsigned int event_mask;
6452       char infotext[max_infotext_len + 1];
6453
6454       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6455
6456       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6457       {
6458         graphic = (j == 0 ?
6459                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6460                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6461
6462         event_mask |= GD_EVENT_RELEASED;
6463
6464         if (j == 0)
6465         {
6466           x = DX + editor.button.prev_level.x;
6467           y = DY + editor.button.prev_level.y;
6468         }
6469         else
6470         {
6471           x = DX + editor.button.next_level.x;
6472           y = DY + editor.button.next_level.y;
6473         }
6474       }
6475       else
6476       {
6477         graphic = (j == 0 ?
6478                    IMG_EDITOR_COUNTER_DOWN :
6479                    IMG_EDITOR_COUNTER_UP);
6480       }
6481
6482       gd = &graphic_info[graphic];
6483
6484       gd_x1 = gd->src_x;
6485       gd_y1 = gd->src_y;
6486       gd_x2 = gd->src_x + gd->pressed_xoffset;
6487       gd_y2 = gd->src_y + gd->pressed_yoffset;
6488
6489       sprintf(infotext, "%s counter value by 1, 5 or 10",
6490               (j == 0 ? "decrease" : "increase"));
6491
6492       gi = CreateGadget(GDI_CUSTOM_ID, id,
6493                         GDI_CUSTOM_TYPE_ID, i,
6494                         GDI_IMAGE_ID, graphic,
6495                         GDI_INFO_TEXT, infotext,
6496                         GDI_X, x,
6497                         GDI_Y, y,
6498                         GDI_WIDTH, gd->width,
6499                         GDI_HEIGHT, gd->height,
6500                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6501                         GDI_STATE, GD_BUTTON_UNPRESSED,
6502                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6503                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6504                         GDI_EVENT_MASK, event_mask,
6505                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6506                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6507                         GDI_END);
6508
6509       if (gi == NULL)
6510         Fail("cannot create gadget");
6511
6512       level_editor_gadget[id] = gi;
6513       right_gadget_border[id] =
6514         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6515
6516       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6517
6518       if (j == 0)
6519       {
6520         int font_type = FONT_INPUT_1;
6521         int font_type_active = FONT_INPUT_1_ACTIVE;
6522
6523         id = counterbutton_info[i].gadget_id_text;
6524
6525         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6526
6527         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6528         {
6529           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6530
6531           font_type = FONT_LEVEL_NUMBER;
6532           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6533
6534           x = DX + editor.input.level_number.x;
6535           y = DY + editor.input.level_number.y;
6536         }
6537         else
6538         {
6539           graphic = IMG_EDITOR_COUNTER_INPUT;
6540         }
6541
6542         gd = &graphic_info[graphic];
6543
6544         gd_x1 = gd->src_x;
6545         gd_y1 = gd->src_y;
6546         gd_x2 = gd->src_x + gd->active_xoffset;
6547         gd_y2 = gd->src_y + gd->active_yoffset;
6548
6549         gi = CreateGadget(GDI_CUSTOM_ID, id,
6550                           GDI_CUSTOM_TYPE_ID, i,
6551                           GDI_IMAGE_ID, graphic,
6552                           GDI_INFO_TEXT, "enter counter value",
6553                           GDI_X, x,
6554                           GDI_Y, y,
6555                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6556                           GDI_NUMBER_VALUE, 0,
6557                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6558                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6559                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6560                           GDI_TEXT_FONT, font_type,
6561                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6562                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6563                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6564                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6565                           GDI_DESIGN_WIDTH, gd->width,
6566                           GDI_EVENT_MASK, event_mask,
6567                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6568                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6569                           GDI_END);
6570
6571         if (gi == NULL)
6572           Fail("cannot create gadget");
6573
6574         level_editor_gadget[id] = gi;
6575         right_gadget_border[id] =
6576           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6577
6578         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6579       }
6580     }
6581   }
6582 }
6583
6584 static void CreateDrawingAreas(void)
6585 {
6586   int i;
6587
6588   // these values are not constant, but can change at runtime
6589   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6590   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6591
6592   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6593   {
6594     struct GadgetInfo *gi;
6595     unsigned int event_mask;
6596     int id = drawingarea_info[i].gadget_id;
6597     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6598     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6599     int area_xsize = drawingarea_info[i].area_xsize;
6600     int area_ysize = drawingarea_info[i].area_ysize;
6601     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6602                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6603
6604     event_mask =
6605       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6606       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6607
6608     // determine horizontal position to the right of specified gadget
6609     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6610       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6611            ED_DRAWINGAREA_TEXT_DISTANCE);
6612
6613     // determine horizontal offset for leading text
6614     if (drawingarea_info[i].text_left != NULL)
6615       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6616
6617     gi = CreateGadget(GDI_CUSTOM_ID, id,
6618                       GDI_CUSTOM_TYPE_ID, i,
6619                       GDI_X, x,
6620                       GDI_Y, y,
6621                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6622                       GDI_AREA_SIZE, area_xsize, area_ysize,
6623                       GDI_ITEM_SIZE, item_size, item_size,
6624                       GDI_EVENT_MASK, event_mask,
6625                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6626                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6627                       GDI_END);
6628
6629     if (gi == NULL)
6630       Fail("cannot create gadget");
6631
6632     level_editor_gadget[id] = gi;
6633     right_gadget_border[id] =
6634       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6635   }
6636 }
6637
6638 static void CreateTextInputGadgets(void)
6639 {
6640   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6641   int max_infotext_len = getMaxInfoTextLength();
6642   int i;
6643
6644   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6645   {
6646     int gd_x1 = gd->src_x;
6647     int gd_y1 = gd->src_y;
6648     int gd_x2 = gd->src_x + gd->active_xoffset;
6649     int gd_y2 = gd->src_y + gd->active_yoffset;
6650     struct GadgetInfo *gi;
6651     unsigned int event_mask;
6652     char infotext[MAX_OUTPUT_LINESIZE + 1];
6653     int id = textinput_info[i].gadget_id;
6654     int x, y;
6655
6656     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6657     {
6658       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6659       int border_size = gd->border_size;
6660       int font_nr = FONT_INPUT_1;
6661       int font_height = getFontHeight(font_nr);
6662       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6663       int yoffset = element_border + (TILEY - font_height) / 2;
6664
6665       x = (editor.settings.element_name.x != -1 ?
6666            editor.settings.element_name.x :
6667            editor.settings.element_graphic.x + xoffset) - border_size;
6668       y = (editor.settings.element_name.y != -1 ?
6669            editor.settings.element_name.y :
6670            editor.settings.element_graphic.y + yoffset) - border_size;
6671     }
6672     else
6673     {
6674       x = ED_SETTINGS_X(textinput_info[i].x);
6675       y = ED_SETTINGS_Y(textinput_info[i].y);
6676     }
6677
6678     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6679
6680     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6681     infotext[max_infotext_len] = '\0';
6682
6683     gi = CreateGadget(GDI_CUSTOM_ID, id,
6684                       GDI_CUSTOM_TYPE_ID, i,
6685                       GDI_INFO_TEXT, infotext,
6686                       GDI_X, SX + x,
6687                       GDI_Y, SY + y,
6688                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6689                       GDI_TEXT_VALUE, textinput_info[i].value,
6690                       GDI_TEXT_SIZE, textinput_info[i].size,
6691                       GDI_TEXT_FONT, FONT_INPUT_1,
6692                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6693                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6694                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6695                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6696                       GDI_DESIGN_WIDTH, gd->width,
6697                       GDI_EVENT_MASK, event_mask,
6698                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6699                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6700                       GDI_END);
6701
6702     if (gi == NULL)
6703       Fail("cannot create gadget");
6704
6705     level_editor_gadget[id] = gi;
6706   }
6707 }
6708
6709 static void CreateTextAreaGadgets(void)
6710 {
6711   int max_infotext_len = getMaxInfoTextLength();
6712   int i;
6713
6714   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6715   {
6716     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6717     int gd_x1 = gd->src_x;
6718     int gd_y1 = gd->src_y;
6719     int gd_x2 = gd->src_x + gd->active_xoffset;
6720     int gd_y2 = gd->src_y + gd->active_yoffset;
6721     struct GadgetInfo *gi;
6722     unsigned int event_mask;
6723     char infotext[MAX_OUTPUT_LINESIZE + 1];
6724     int id = textarea_info[i].gadget_id;
6725     int area_xsize = textarea_info[i].xsize;
6726     int area_ysize = textarea_info[i].ysize;
6727
6728     event_mask = GD_EVENT_TEXT_LEAVING;
6729
6730     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6731     infotext[max_infotext_len] = '\0';
6732
6733     gi = CreateGadget(GDI_CUSTOM_ID, id,
6734                       GDI_CUSTOM_TYPE_ID, i,
6735                       GDI_INFO_TEXT, infotext,
6736                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6737                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6738                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6739                       GDI_AREA_SIZE, area_xsize, area_ysize,
6740                       GDI_TEXT_FONT, FONT_INPUT_1,
6741                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6742                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6743                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6744                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6745                       GDI_DESIGN_WIDTH, gd->width,
6746                       GDI_EVENT_MASK, event_mask,
6747                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6748                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6749                       GDI_END);
6750
6751     if (gi == NULL)
6752       Fail("cannot create gadget");
6753
6754     level_editor_gadget[id] = gi;
6755   }
6756 }
6757
6758 static void CreateSelectboxGadgets(void)
6759 {
6760   int max_infotext_len = getMaxInfoTextLength();
6761   int i, j;
6762
6763   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6764   {
6765     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6766     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6767     int gd_x1 = gd->src_x;
6768     int gd_y1 = gd->src_y;
6769     int gd_x2 = gd->src_x + gd->active_xoffset;
6770     int gd_y2 = gd->src_y + gd->active_yoffset;
6771     int selectbox_button_xsize = gd2->width;
6772     struct GadgetInfo *gi;
6773     unsigned int event_mask;
6774     char infotext[MAX_OUTPUT_LINESIZE + 1];
6775     int id = selectbox_info[i].gadget_id;
6776     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6777     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6778
6779     if (selectbox_info[i].size == -1)   // dynamically determine size
6780     {
6781       // (we cannot use -1 for uninitialized values if we directly compare
6782       // with results from strlen(), because the '<' and '>' operation will
6783       // implicitely cast -1 to an unsigned integer value!)
6784       selectbox_info[i].size = 0;
6785
6786       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6787         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6788           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6789
6790       selectbox_info[i].size++;         // add one character empty space
6791     }
6792
6793     event_mask = GD_EVENT_RELEASED |
6794       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6795
6796     // determine horizontal position to the right of specified gadget
6797     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6798       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6799            ED_GADGET_TEXT_DISTANCE);
6800
6801     // determine horizontal offset for leading text
6802     if (selectbox_info[i].text_left != NULL)
6803       x += getTextWidthForGadget(selectbox_info[i].text_left);
6804
6805     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6806     infotext[max_infotext_len] = '\0';
6807
6808     gi = CreateGadget(GDI_CUSTOM_ID, id,
6809                       GDI_CUSTOM_TYPE_ID, i,
6810                       GDI_INFO_TEXT, infotext,
6811                       GDI_X, x,
6812                       GDI_Y, y,
6813                       GDI_TYPE, GD_TYPE_SELECTBOX,
6814                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6815                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6816                       GDI_TEXT_SIZE, selectbox_info[i].size,
6817                       GDI_TEXT_FONT, FONT_INPUT_1,
6818                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6819                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6820                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6821                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6822                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6823                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6824                       GDI_DESIGN_WIDTH, gd->width,
6825                       GDI_EVENT_MASK, event_mask,
6826                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6827                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6828                       GDI_END);
6829
6830     if (gi == NULL)
6831       Fail("cannot create gadget");
6832
6833     level_editor_gadget[id] = gi;
6834     right_gadget_border[id] =
6835       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6836   }
6837 }
6838
6839 static void CreateTextbuttonGadgets(void)
6840 {
6841   int max_infotext_len = getMaxInfoTextLength();
6842   int i;
6843
6844   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6845   {
6846     int id = textbutton_info[i].gadget_id;
6847     int is_tab_button =
6848       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6849        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6850     int graphic =
6851       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6852     int gadget_distance =
6853       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6854     struct GraphicInfo *gd = &graphic_info[graphic];
6855     int gd_x1 = gd->src_x;
6856     int gd_y1 = gd->src_y;
6857     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6858     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6859     int gd_x1a = gd->src_x + gd->active_xoffset;
6860     int gd_y1a = gd->src_y + gd->active_yoffset;
6861     int border_xsize = gd->border_size + gd->draw_xoffset;
6862     int border_ysize = gd->border_size;
6863     struct GadgetInfo *gi;
6864     unsigned int event_mask;
6865     char infotext[MAX_OUTPUT_LINESIZE + 1];
6866     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6867     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6868
6869     if (textbutton_info[i].size == -1)  // dynamically determine size
6870       textbutton_info[i].size = strlen(textbutton_info[i].text);
6871
6872     event_mask = GD_EVENT_RELEASED;
6873
6874     sprintf(infotext, "%s", textbutton_info[i].infotext);
6875     infotext[max_infotext_len] = '\0';
6876
6877     // determine horizontal position to the right of specified gadget
6878     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6879     {
6880       int gadget_id_align = textbutton_info[i].gadget_id_align;
6881
6882       x = right_gadget_border[gadget_id_align] + gadget_distance;
6883
6884       if (textbutton_info[i].y == -1)
6885         y = level_editor_gadget[gadget_id_align]->y;
6886     }
6887
6888     // determine horizontal offset for leading text
6889     if (textbutton_info[i].text_left != NULL)
6890       x += getTextWidthForGadget(textbutton_info[i].text_left);
6891
6892     gi = CreateGadget(GDI_CUSTOM_ID, id,
6893                       GDI_CUSTOM_TYPE_ID, i,
6894                       GDI_IMAGE_ID, graphic,
6895                       GDI_INFO_TEXT, infotext,
6896                       GDI_X, x,
6897                       GDI_Y, y,
6898                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6899                       GDI_TEXT_VALUE, textbutton_info[i].text,
6900                       GDI_TEXT_SIZE, textbutton_info[i].size,
6901                       GDI_TEXT_FONT, FONT_INPUT_2,
6902                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6903                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6904                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6905                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6906                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6907                       GDI_DESIGN_WIDTH, gd->width,
6908                       GDI_DECORATION_SHIFTING, 1, 1,
6909                       GDI_EVENT_MASK, event_mask,
6910                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6911                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6912                       GDI_END);
6913
6914     if (gi == NULL)
6915       Fail("cannot create gadget");
6916
6917     level_editor_gadget[id] = gi;
6918     right_gadget_border[id] =
6919       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6920   }
6921 }
6922
6923 static void CreateGraphicbuttonGadgets(void)
6924 {
6925   struct GadgetInfo *gi;
6926   unsigned int event_mask;
6927   int i;
6928
6929   // create buttons for scrolling of drawing area and element list
6930   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6931   {
6932     int id = graphicbutton_info[i].gadget_id;
6933     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6934     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6935     int graphic = graphicbutton_info[i].graphic;
6936     struct GraphicInfo *gd = &graphic_info[graphic];
6937     int gd_x1 = gd->src_x;
6938     int gd_y1 = gd->src_y;
6939     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6940     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6941
6942     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6943
6944     // determine horizontal position to the right of specified gadget
6945     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6946       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6947            ED_GADGET_TEXT_DISTANCE);
6948
6949     // determine horizontal offset for leading text
6950     if (graphicbutton_info[i].text_left != NULL)
6951       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6952
6953     gi = CreateGadget(GDI_CUSTOM_ID, id,
6954                       GDI_CUSTOM_TYPE_ID, i,
6955                       GDI_IMAGE_ID, graphic,
6956                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6957                       GDI_X, x,
6958                       GDI_Y, y,
6959                       GDI_WIDTH, gd->width,
6960                       GDI_HEIGHT, gd->height,
6961                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6962                       GDI_STATE, GD_BUTTON_UNPRESSED,
6963                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6964                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6965                       GDI_EVENT_MASK, event_mask,
6966                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6967                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6968                       GDI_END);
6969
6970     if (gi == NULL)
6971       Fail("cannot create gadget");
6972
6973     level_editor_gadget[id] = gi;
6974     right_gadget_border[id] =
6975       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6976   }
6977 }
6978
6979 static void CreateScrollbarGadgets(void)
6980 {
6981   int i;
6982
6983   // these values are not constant, but can change at runtime
6984   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6985     SX + ED_SCROLL_HORIZONTAL_XPOS;
6986   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6987     SY + ED_SCROLL_HORIZONTAL_YPOS;
6988   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6989     ED_SCROLL_HORIZONTAL_XSIZE;
6990   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6991     ED_SCROLL_HORIZONTAL_YSIZE;
6992   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6993   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6994   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6995   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6996
6997   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6998     SX + ED_SCROLL_VERTICAL_XPOS;
6999   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7000     SY + ED_SCROLL_VERTICAL_YPOS;
7001   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7002     ED_SCROLL_VERTICAL_XSIZE;
7003   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7004     ED_SCROLL_VERTICAL_YSIZE;
7005   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7006   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7007   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7008   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7009
7010   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7011     PX + ED_SCROLL2_VERTICAL_XPOS;
7012   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7013     PY + ED_SCROLL2_VERTICAL_YPOS;
7014   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7015     ED_SCROLL2_VERTICAL_XSIZE;
7016   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7017     ED_SCROLL2_VERTICAL_YSIZE;
7018   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7019   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7020   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7021   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7022
7023   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7024   {
7025     int id = scrollbar_info[i].gadget_id;
7026     int graphic = scrollbar_info[i].graphic;
7027     struct GraphicInfo *gd = &graphic_info[graphic];
7028     int gd_x1 = gd->src_x;
7029     int gd_y1 = gd->src_y;
7030     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7031     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7032     struct GadgetInfo *gi;
7033     int items_max, items_visible, item_position;
7034     unsigned int event_mask;
7035
7036     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7037     {
7038       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7039       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7040       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7041     }
7042     else        // drawing area scrollbars
7043     {
7044       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7045       {
7046         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7047         items_visible = ed_fieldx;
7048         item_position = 0;
7049       }
7050       else
7051       {
7052         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7053         items_visible = ed_fieldy;
7054         item_position = 0;
7055       }
7056     }
7057
7058     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7059
7060     gi = CreateGadget(GDI_CUSTOM_ID, id,
7061                       GDI_CUSTOM_TYPE_ID, i,
7062                       GDI_IMAGE_ID, graphic,
7063                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7064                       GDI_X, scrollbar_pos[i].x,
7065                       GDI_Y, scrollbar_pos[i].y,
7066                       GDI_WIDTH, scrollbar_pos[i].width,
7067                       GDI_HEIGHT, scrollbar_pos[i].height,
7068                       GDI_TYPE, scrollbar_info[i].type,
7069                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7070                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7071                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7072                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7073                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7074                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7075                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7076                       GDI_STATE, GD_BUTTON_UNPRESSED,
7077                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7078                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7079                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7080                       GDI_EVENT_MASK, event_mask,
7081                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7082                       GDI_CALLBACK_ACTION, HandleControlButtons,
7083                       GDI_END);
7084
7085     if (gi == NULL)
7086       Fail("cannot create gadget");
7087
7088     level_editor_gadget[id] = gi;
7089   }
7090 }
7091
7092 static void CreateCheckbuttonGadgets(void)
7093 {
7094   struct GadgetInfo *gi;
7095   unsigned int event_mask;
7096   int i;
7097
7098   event_mask = GD_EVENT_PRESSED;
7099
7100   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7101   {
7102     int id = checkbutton_info[i].gadget_id;
7103     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7104                    IMG_EDITOR_CHECKBOX);
7105     struct GraphicInfo *gd = &graphic_info[graphic];
7106     int gd_x1 = gd->src_x;
7107     int gd_y1 = gd->src_y;
7108     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7109     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7110     int gd_x1a = gd->src_x + gd->active_xoffset;
7111     int gd_y1a = gd->src_y + gd->active_yoffset;
7112     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7113     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7114     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7115     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7116
7117     // determine horizontal position to the right of specified gadget
7118     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7119       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7120            ED_GADGET_TEXT_DISTANCE);
7121
7122     // determine horizontal offset for leading text
7123     if (checkbutton_info[i].text_left != NULL)
7124       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7125
7126     gi = CreateGadget(GDI_CUSTOM_ID, id,
7127                       GDI_CUSTOM_TYPE_ID, i,
7128                       GDI_IMAGE_ID, graphic,
7129                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7130                       GDI_X, x,
7131                       GDI_Y, y,
7132                       GDI_WIDTH, gd->width,
7133                       GDI_HEIGHT, gd->height,
7134                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7135                       GDI_CHECKED, *checkbutton_info[i].value,
7136                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7137                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7138                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7139                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7140                       GDI_EVENT_MASK, event_mask,
7141                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7142                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7143                       GDI_END);
7144
7145     if (gi == NULL)
7146       Fail("cannot create gadget");
7147
7148     level_editor_gadget[id] = gi;
7149     right_gadget_border[id] =
7150       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7151   }
7152 }
7153
7154 static void CreateRadiobuttonGadgets(void)
7155 {
7156   int graphic = IMG_EDITOR_RADIOBUTTON;
7157   struct GraphicInfo *gd = &graphic_info[graphic];
7158   int gd_x1 = gd->src_x;
7159   int gd_y1 = gd->src_y;
7160   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7161   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7162   int gd_x1a = gd->src_x + gd->active_xoffset;
7163   int gd_y1a = gd->src_y + gd->active_yoffset;
7164   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7165   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7166   struct GadgetInfo *gi;
7167   unsigned int event_mask;
7168   int i;
7169
7170   event_mask = GD_EVENT_PRESSED;
7171
7172   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7173   {
7174     int id = radiobutton_info[i].gadget_id;
7175     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7176     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7177
7178     int checked =
7179       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7180
7181     // determine horizontal position to the right of specified gadget
7182     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7183       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7184            ED_GADGET_TEXT_DISTANCE);
7185
7186     // determine horizontal offset for leading text
7187     if (radiobutton_info[i].text_left != NULL)
7188       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7189
7190     gi = CreateGadget(GDI_CUSTOM_ID, id,
7191                       GDI_CUSTOM_TYPE_ID, i,
7192                       GDI_IMAGE_ID, graphic,
7193                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7194                       GDI_X, x,
7195                       GDI_Y, y,
7196                       GDI_WIDTH, gd->width,
7197                       GDI_HEIGHT, gd->height,
7198                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7199                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7200                       GDI_CHECKED, checked,
7201                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7202                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7203                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7204                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7205                       GDI_EVENT_MASK, event_mask,
7206                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7207                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7208                       GDI_END);
7209
7210     if (gi == NULL)
7211       Fail("cannot create gadget");
7212
7213     level_editor_gadget[id] = gi;
7214     right_gadget_border[id] =
7215       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7216   }
7217 }
7218
7219 void CreateLevelEditorGadgets(void)
7220 {
7221   // force EDITOR font inside level editor
7222   SetFontStatus(GAME_MODE_EDITOR);
7223
7224   // these values are not constant, but can change at runtime
7225   ed_fieldx = MAX_ED_FIELDX - 1;
7226   ed_fieldy = MAX_ED_FIELDY - 1;
7227
7228   num_editor_gadgets = NUM_EDITOR_GADGETS;
7229
7230   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7231
7232   level_editor_gadget =
7233     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7234   right_gadget_border =
7235     checked_calloc(num_editor_gadgets * sizeof(int));
7236
7237   // set number of empty (padding) element buttons to maximum number of buttons
7238   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7239
7240   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7241   editor_el_empty_ptr = editor_el_empty;
7242
7243   use_permanent_palette = !editor.palette.show_as_separate_screen;
7244
7245   ReinitializeElementList();
7246
7247   CreateControlButtons();
7248   CreateScrollbarGadgets();
7249
7250   // order of function calls is important because of cross-references
7251   CreateCheckbuttonGadgets();
7252   CreateCounterButtons();
7253   CreateRadiobuttonGadgets();
7254   CreateTextInputGadgets();
7255   CreateTextAreaGadgets();
7256   CreateSelectboxGadgets();
7257   CreateGraphicbuttonGadgets();
7258   CreateTextbuttonGadgets();
7259   CreateDrawingAreas();
7260
7261   ResetFontStatus();
7262 }
7263
7264 void FreeLevelEditorGadgets(void)
7265 {
7266   int i;
7267
7268   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7269
7270   for (i = 0; i < num_editor_gadgets; i++)
7271   {
7272     FreeGadget(level_editor_gadget[i]);
7273
7274     level_editor_gadget[i] = NULL;
7275   }
7276
7277   checked_free(level_editor_gadget);
7278   checked_free(right_gadget_border);
7279
7280   checked_free(editor_el_empty);
7281 }
7282
7283 static void MapCounterButtons(int id)
7284 {
7285   int font_nr = FONT_TEXT_1;
7286   int font_height = getFontHeight(font_nr);
7287   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7288   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7289   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7290   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7291   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7292   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7293   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7294   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7295   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7296   int yoffset = (gi_down->height - font_height) / 2;
7297   int x_left = gi_down->x - xoffset_left;
7298   int x_right;  // set after gadget position was modified
7299   int y_above = gi_down->y - yoffset_above;
7300   int x = gi_down->x;
7301   int y;        // set after gadget position was modified
7302
7303   // counter limits must be changed first to prevent value truncation
7304   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7305                             counterbutton_info[id].max_value);
7306
7307   // right text position might have changed after setting position above
7308   x_right = gi_up->x + gi_up->width + xoffset_right;
7309
7310   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7311
7312   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7313   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7314       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7315   {
7316     ModifyGadget(gi_down, GDI_Y,
7317                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7318     ModifyGadget(gi_text, GDI_Y,
7319                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7320     ModifyGadget(gi_up,   GDI_Y,
7321                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7322   }
7323
7324   // vertical position might have changed after setting position above
7325   y = gi_up->y + yoffset;
7326
7327   if (counterbutton_info[id].text_above)
7328     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7329
7330   if (counterbutton_info[id].text_left)
7331     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7332
7333   if (counterbutton_info[id].text_right)
7334     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7335
7336   MapGadget(gi_down);
7337   MapGadget(gi_text);
7338   MapGadget(gi_up);
7339 }
7340
7341 static void MapControlButtons(void)
7342 {
7343   int counter_id;
7344   int i;
7345
7346   // map toolbox buttons (excluding special CE toolbox buttons)
7347   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7348     MapGadget(level_editor_gadget[i]);
7349
7350   // map toolbox buttons (element properties buttons)
7351   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7352     MapGadget(level_editor_gadget[i]);
7353
7354   if (use_permanent_palette)
7355   {
7356     // map buttons to select elements
7357     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7358       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7359     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7360     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7361     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7362   }
7363
7364   // map buttons to select level
7365   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7366   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7367   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7368   MapCounterButtons(counter_id);
7369 }
7370
7371 static void MapDrawingArea(int id)
7372 {
7373   int font_nr = FONT_TEXT_1;
7374   int font_height = getFontHeight(font_nr);
7375   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7376   int area_xsize = gi->drawing.area_xsize;
7377   int area_ysize = gi->drawing.area_ysize;
7378   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7379   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7380   int x_left  = gi->x - xoffset_left;
7381   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7382   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7383   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7384   int y_side  = gi->y + (gi->height - font_height) / 2;
7385   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7386   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7387
7388   if (drawingarea_info[id].text_left)
7389     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7390
7391   if (drawingarea_info[id].text_right)
7392     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7393
7394   if (drawingarea_info[id].text_above)
7395     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7396
7397   if (drawingarea_info[id].text_below)
7398     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7399
7400   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7401   {
7402     DrawElementBorder(gi->x, gi->y,
7403                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7404                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7405
7406     DrawDrawingArea(id);
7407   }
7408
7409   MapGadget(gi);
7410 }
7411
7412 static void MapTextInputGadget(int id)
7413 {
7414   int font_nr = FONT_TEXT_1;
7415   int font_height = getFontHeight(font_nr);
7416   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7417   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7418   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7419   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7420
7421   if (textinput_info[id].text_above)
7422     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7423
7424   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7425
7426   MapGadget(gi);
7427 }
7428
7429 static void MapTextAreaGadget(int id)
7430 {
7431   int font_nr = FONT_TEXT_1;
7432   int font_height = getFontHeight(font_nr);
7433   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7434   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7435   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7436   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7437
7438   if (textarea_info[id].text_above)
7439     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7440
7441   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7442
7443   MapGadget(gi);
7444 }
7445
7446 static void MapSelectboxGadget(int id)
7447 {
7448   int font_nr = FONT_TEXT_1;
7449   int font_height = getFontHeight(font_nr);
7450   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7451   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7452   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7453   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7454   int yoffset = (gi->height - font_height) / 2;
7455   int x_left = gi->x - xoffset_left;
7456   int x_right = gi->x + gi->width + xoffset_right;
7457   int y_above = gi->y - yoffset_above;
7458   int x = gi->x;
7459   int y = gi->y + yoffset;
7460
7461   if (selectbox_info[id].text_above)
7462     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7463
7464   if (selectbox_info[id].text_left)
7465     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7466
7467   if (selectbox_info[id].text_right)
7468     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7469
7470   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7471
7472   MapGadget(gi);
7473 }
7474
7475 static void MapTextbuttonGadget(int id)
7476 {
7477   int font_nr = FONT_TEXT_1;
7478   int font_height = getFontHeight(font_nr);
7479   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7480   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7481   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7482   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7483   int yoffset = (gi->height - font_height) / 2;
7484   int x_left = gi->x - xoffset_left;
7485   int x_right = gi->x + gi->width + xoffset_right;
7486   int y_above = gi->y - yoffset_above;
7487   int x = gi->x;
7488   int y = gi->y + yoffset;
7489
7490   // only show button to delete change pages when more than minimum pages
7491   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7492       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7493     return;
7494
7495   if (textbutton_info[id].text_above)
7496     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7497
7498   if (textbutton_info[id].text_left)
7499     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7500
7501   if (textbutton_info[id].text_right)
7502     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7503
7504   MapGadget(gi);
7505 }
7506
7507 static void MapGraphicbuttonGadget(int id)
7508 {
7509   int font_nr = FONT_TEXT_1;
7510   int font_height = getFontHeight(font_nr);
7511   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7512   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7513   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7514   int yoffset = (gi->height - font_height) / 2;
7515   int x_left = gi->x - xoffset_left;
7516   int x_right = gi->x + gi->width + xoffset_right;
7517   int y = gi->y + yoffset;
7518
7519   if (graphicbutton_info[id].text_left)
7520     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7521
7522   if (graphicbutton_info[id].text_right)
7523     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7524
7525   MapGadget(gi);
7526 }
7527
7528 static void MapRadiobuttonGadget(int id)
7529 {
7530   int font_nr = FONT_TEXT_1;
7531   int font_height = getFontHeight(font_nr);
7532   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7533   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7534   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7535   int yoffset = (gi->height - font_height) / 2;
7536   int x_left = gi->x - xoffset_left;
7537   int x_right = gi->x + gi->width + xoffset_right;
7538   int y = gi->y + yoffset;
7539   boolean checked =
7540     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7541
7542   if (radiobutton_info[id].text_left)
7543     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7544
7545   if (radiobutton_info[id].text_right)
7546     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7547
7548   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7549
7550   MapGadget(gi);
7551 }
7552
7553 static void MapCheckbuttonGadget(int id)
7554 {
7555   int font_nr = FONT_TEXT_1;
7556   int font_height = getFontHeight(font_nr);
7557   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7558   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7559   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7560   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7561   int yoffset = (gi->height - font_height) / 2;
7562   int y_above = gi->y - yoffset_above;
7563   int x = gi->x;
7564   int x_left, x_right, y;       // set after gadget position was modified
7565
7566   // set position for gadgets with dynamically determined position
7567   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7568     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7569   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7570
7571   x_left = gi->x - xoffset_left;
7572   x_right = gi->x + gi->width + xoffset_right;
7573   y = gi->y + yoffset;
7574
7575   if (checkbutton_info[id].text_above)
7576     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7577
7578   if (checkbutton_info[id].text_left)
7579     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7580
7581   if (checkbutton_info[id].text_right)
7582     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7583
7584   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7585
7586   MapGadget(gi);
7587 }
7588
7589 static void MapMainDrawingArea(void)
7590 {
7591   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7592   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7593   int i;
7594
7595   if (suppressBorderElement())
7596   {
7597     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7598     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7599   }
7600
7601   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7602   {
7603     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7604           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7605          no_horizontal_scrollbar) ||
7606         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7607           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7608          no_vertical_scrollbar))
7609       continue;
7610
7611     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7612   }
7613
7614   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7615   {
7616     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7617         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7618       continue;
7619
7620     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7621   }
7622
7623   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7624 }
7625
7626 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7627 {
7628   int i;
7629
7630   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7631   {
7632     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7633         i == GADGET_ID_CUSTOM_COPY_TO ||
7634         i == GADGET_ID_CUSTOM_EXCHANGE ||
7635         i == GADGET_ID_CUSTOM_COPY ||
7636         i == GADGET_ID_CUSTOM_PASTE)
7637     {
7638       if (map)
7639         MapGadget(level_editor_gadget[i]);
7640       else
7641         UnmapGadget(level_editor_gadget[i]);
7642     }
7643   }
7644 }
7645
7646 static void MapLevelEditorToolboxCustomGadgets(void)
7647 {
7648   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7649 }
7650
7651 static void UnmapLevelEditorToolboxCustomGadgets(void)
7652 {
7653   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7654 }
7655
7656 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7657 {
7658   int i;
7659
7660   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7661   {
7662     if (i != GADGET_ID_SINGLE_ITEMS &&
7663         i != GADGET_ID_PICK_ELEMENT)
7664     {
7665       struct GadgetInfo *gi = level_editor_gadget[i];
7666
7667       if (map)
7668       {
7669         MapGadget(gi);
7670       }
7671       else
7672       {
7673         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7674         struct GraphicInfo *gd = &graphic_info[graphic];
7675
7676         UnmapGadget(gi);
7677
7678         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7679                    gi->width, gi->height, gi->x, gi->y);
7680
7681         redraw_mask |= REDRAW_DOOR_3;
7682       }
7683     }
7684   }
7685 }
7686
7687 static void MapLevelEditorToolboxDrawingGadgets(void)
7688 {
7689   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7690 }
7691
7692 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7693 {
7694   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7695 }
7696
7697 static void UnmapDrawingArea(int id)
7698 {
7699   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7700 }
7701
7702 static void UnmapLevelEditorFieldGadgets(void)
7703 {
7704   int i;
7705
7706   for (i = 0; i < num_editor_gadgets; i++)
7707     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7708                           level_editor_gadget[i]->y))
7709       UnmapGadget(level_editor_gadget[i]);
7710 }
7711
7712 void UnmapLevelEditorGadgets(void)
7713 {
7714   int i;
7715
7716   for (i = 0; i < num_editor_gadgets; i++)
7717     UnmapGadget(level_editor_gadget[i]);
7718 }
7719
7720 static void ResetUndoBuffer(void)
7721 {
7722   undo_buffer_position = -1;
7723   undo_buffer_steps = -1;
7724   redo_buffer_steps = 0;
7725
7726   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7727
7728   level.changed = FALSE;
7729 }
7730
7731 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7732 {
7733   if (remap_toolbox_gadgets)
7734   {
7735     ModifyEditorElementList();
7736     RedrawDrawingElements();
7737   }
7738
7739   if (edit_mode == ED_MODE_INFO)
7740     DrawLevelInfoWindow();
7741   else if (edit_mode == ED_MODE_PROPERTIES)
7742     DrawPropertiesWindow();
7743   else if (edit_mode == ED_MODE_PALETTE)
7744     DrawPaletteWindow();
7745   else  // edit_mode == ED_MODE_DRAWING
7746     DrawDrawingWindowExt(remap_toolbox_gadgets);
7747 }
7748
7749 static void DrawEditModeWindow(void)
7750 {
7751   DrawEditModeWindowExt(TRUE);
7752 }
7753
7754 static void DrawEditModeWindow_PlayfieldOnly(void)
7755 {
7756   DrawEditModeWindowExt(FALSE);
7757 }
7758
7759 static void ChangeEditModeWindow(int new_edit_mode)
7760 {
7761   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7762
7763   DrawEditModeWindow();
7764 }
7765
7766 static boolean LevelChanged(void)
7767 {
7768   boolean field_changed = FALSE;
7769   int x, y;
7770
7771   for (y = 0; y < lev_fieldy; y++)
7772     for (x = 0; x < lev_fieldx; x++)
7773       if (Tile[x][y] != level.field[x][y])
7774         field_changed = TRUE;
7775
7776   return (level.changed || field_changed);
7777 }
7778
7779 static boolean PrepareSavingIntoPersonalLevelSet(void)
7780 {
7781   static LevelDirTree *last_copied_leveldir = NULL;
7782   static LevelDirTree *last_written_leveldir = NULL;
7783   static int last_copied_level_nr = -1;
7784   static int last_written_level_nr = -1;
7785   LevelDirTree *leveldir_former = leveldir_current;
7786   int level_nr_former = level_nr;
7787   int new_level_nr;
7788
7789   // remember last mod/save so that for current session, we write
7790   // back to the same personal copy, asking only about overwrite.
7791   if (leveldir_current == last_copied_leveldir &&
7792       level_nr == last_copied_level_nr)
7793   {
7794     // "cd" to personal level set dir (as used when writing last copy)
7795     leveldir_current = last_written_leveldir;
7796     level_nr = last_written_level_nr;
7797
7798     return TRUE;
7799   }
7800
7801   if (!Request("This level is read-only! "
7802                "Save into personal level set?", REQ_ASK))
7803     return FALSE;
7804
7805   // "cd" to personal level set dir (for writing copy the first time)
7806   leveldir_current =
7807     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7808
7809   // this may happen if "setup.internal.create_user_levelset" is FALSE
7810   // or if file "levelinfo.conf" is missing in personal user level set
7811   if (leveldir_current == NULL)
7812   {
7813     Request("Cannot find personal level set?!", REQ_CONFIRM);
7814
7815     leveldir_current = leveldir_former;
7816
7817     return FALSE;
7818   }
7819
7820   // find unused level number
7821   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7822   {
7823     static char *level_filename = NULL;
7824
7825     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7826
7827     if (!fileExists(level_filename))
7828       break;
7829   }
7830
7831   last_copied_leveldir = leveldir_former;
7832   last_copied_level_nr = level_nr_former;
7833
7834   last_written_leveldir = leveldir_current;
7835   last_written_level_nr = level_nr = new_level_nr;
7836
7837   return TRUE;
7838 }
7839
7840 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7841 {
7842   static char *filename_levelinfo = NULL, *mod_name = NULL;
7843   FILE *file;
7844
7845   // annotate this copy-and-mod in personal levelinfo.conf
7846   setString(&filename_levelinfo,
7847             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7848
7849   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7850   {
7851     fprintf(file, "\n");
7852     fprintf(file, "# level %d was modified from:\n", level_nr);
7853     fprintf(file, "# - previous level set name:    %s\n",
7854             former_name);
7855     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7856             level.file_info.nr, level.name);
7857     fprintf(file, "# - previous author:            %s\n",
7858             level.author);
7859     fprintf(file, "# - previous save date:         ");
7860
7861     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7862     {
7863       fprintf(file, "%04d-%02d-%02d\n",
7864               level.creation_date.year,
7865               level.creation_date.month,
7866               level.creation_date.day);
7867     }
7868     else
7869     {
7870       fprintf(file, "not recorded\n");
7871     }
7872
7873     fclose(file);
7874   }
7875
7876   if (level_nr > leveldir_current->last_level)
7877     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7878
7879   // else: allow the save even if annotation failed
7880
7881   // now... spray graffiti on the old level vital statistics
7882   // user can change these; just trying to set a good baseline
7883
7884   // don't truncate names for fear of making offensive or silly:
7885   // long-named original author only recorded in levelinfo.conf.
7886   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7887   if (!strEqual(level.author, leveldir_current->author))
7888   {
7889     setString(&mod_name, getStringCat3(leveldir_current->author,
7890                                        " after ", level.author));
7891
7892     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7893       setString(&mod_name,
7894                 getStringCat2(leveldir_current->author, " (ed.)"));
7895
7896     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7897       setString(&mod_name, leveldir_current->author);
7898
7899     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7900
7901     // less worried about truncation here
7902     setString(&mod_name, getStringCat2("Mod: ", level.name));
7903     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7904   }
7905 }
7906
7907 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7908                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7909 {
7910   int x, y;
7911
7912   for (x = 0; x < lev_fieldx; x++)
7913     for (y = 0; y < lev_fieldy; y++)
7914       dst[x][y] = src[x][y];
7915 }
7916
7917 static int setSelectboxValue(int selectbox_id, int new_value)
7918 {
7919   int new_index_value = 0;
7920   int i;
7921
7922   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7923     if (selectbox_info[selectbox_id].options[i].value == new_value)
7924       new_index_value = i;
7925
7926   *selectbox_info[selectbox_id].value =
7927     selectbox_info[selectbox_id].options[new_index_value].value;
7928
7929   return new_index_value;
7930 }
7931
7932 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7933 {
7934   int i;
7935
7936   // change action mode and arg variables according to action type variable
7937   for (i = 0; action_arg_options[i].value != -1; i++)
7938   {
7939     if (action_arg_options[i].value == custom_element_change.action_type)
7940     {
7941       int mode = action_arg_options[i].mode;
7942
7943       // only change if corresponding selectbox has changed
7944       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7945           action_arg_modes[mode])
7946         custom_element_change.action_mode = -1;
7947
7948       // only change if corresponding selectbox has changed
7949       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7950           action_arg_options[i].options)
7951         custom_element_change.action_arg = -1;
7952
7953       break;
7954     }
7955   }
7956 }
7957
7958 static void setSelectboxSpecialActionOptions(void)
7959 {
7960   int i;
7961
7962   // change action mode and arg selectbox according to action type selectbox
7963   for (i = 0; action_arg_options[i].value != -1; i++)
7964   {
7965     if (action_arg_options[i].value == custom_element_change.action_type)
7966     {
7967       int mode = action_arg_options[i].mode;
7968
7969       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7970                                    action_arg_modes[mode]);
7971       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7972                                  custom_element_change.action_mode);
7973
7974       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7975                                    action_arg_options[i].options);
7976       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7977                                  custom_element_change.action_arg);
7978       break;
7979     }
7980   }
7981 }
7982
7983 static void copy_custom_element_settings(int element_from, int element_to)
7984 {
7985   struct ElementInfo *ei_from = &element_info[element_from];
7986   struct ElementInfo *ei_to = &element_info[element_to];
7987
7988   copyElementInfo(ei_from, ei_to);
7989 }
7990
7991 static void replace_custom_element_in_settings(int element_from,
7992                                                int element_to)
7993 {
7994   int i, j, x, y;
7995
7996   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7997   {
7998     struct ElementInfo *ei = &element_info[i];
7999
8000     for (y = 0; y < 3; y++)
8001       for (x = 0; x < 3; x++)
8002         if (ei->content.e[x][y] == element_from)
8003           ei->content.e[x][y] = element_to;
8004
8005     for (j = 0; j < ei->num_change_pages; j++)
8006     {
8007       struct ElementChangeInfo *change = &ei->change_page[j];
8008
8009       if (change->target_element == element_from)
8010         change->target_element = element_to;
8011
8012       if (change->initial_trigger_element == element_from)
8013         change->initial_trigger_element = element_to;
8014
8015       if (change->action_element == element_from)
8016         change->action_element = element_to;
8017
8018       for (y = 0; y < 3; y++)
8019         for (x = 0; x < 3; x++)
8020           if (change->target_content.e[x][y] == element_from)
8021             change->target_content.e[x][y] = element_to;
8022     }
8023
8024     if (ei->group != NULL)                              // group or internal
8025       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8026         if (ei->group->element[j] == element_from)
8027           ei->group->element[j] = element_to;
8028   }
8029 }
8030
8031 static void replace_custom_element_in_playfield(int element_from,
8032                                                 int element_to)
8033 {
8034   int x, y;
8035
8036   for (x = 0; x < lev_fieldx; x++)
8037     for (y = 0; y < lev_fieldy; y++)
8038       if (Tile[x][y] == element_from)
8039         Tile[x][y] = element_to;
8040 }
8041
8042 static boolean CopyCustomElement(int element_old, int element_new,
8043                                  int copy_mode)
8044 {
8045   int copy_mode_orig = copy_mode;
8046
8047   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8048   {
8049     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8050                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8051     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8052   }
8053   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8054   {
8055     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8056                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8057     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8058
8059     level.changed = TRUE;
8060   }
8061   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8062   {
8063     Request("Please choose custom element!", REQ_CONFIRM);
8064
8065     return FALSE;
8066   }
8067   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8068   {
8069     Request("Please choose group element!", REQ_CONFIRM);
8070
8071     return FALSE;
8072   }
8073   else
8074   {
8075     level.changed = TRUE;
8076   }
8077
8078   // when modifying custom/group element, ask for copying level template
8079   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8080   {
8081     if (!AskToCopyAndModifyLevelTemplate())
8082       return FALSE;
8083   }
8084
8085   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8086   {
8087     copy_custom_element_settings(element_new, element_old);
8088   }
8089   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8090   {
8091     copy_custom_element_settings(element_old, element_new);
8092   }
8093   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8094   {
8095     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8096     copy_custom_element_settings(element_new, element_old);
8097     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8098
8099     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8100     replace_custom_element_in_settings(element_new, element_old);
8101     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8102
8103     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8104     replace_custom_element_in_playfield(element_new, element_old);
8105     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8106   }
8107
8108   UpdateCustomElementGraphicGadgets();
8109   DrawPropertiesWindow();
8110
8111   return TRUE;
8112 }
8113
8114 static void CopyCustomElementPropertiesToEditor(int element)
8115 {
8116   int i;
8117   int current_change_page = element_info[element].current_change_page;
8118
8119   // dynamically (re)build selectbox for selecting change page
8120   for (i = 0; i < element_info[element].num_change_pages; i++)
8121   {
8122     sprintf(options_change_page_strings[i], "%d", i + 1);
8123
8124     options_change_page[i].value = i;
8125     options_change_page[i].text = options_change_page_strings[i];
8126   }
8127
8128   options_change_page[i].value = -1;
8129   options_change_page[i].text = NULL;
8130
8131   // needed here to initialize combined element properties
8132   InitElementPropertiesEngine(level.game_version);
8133
8134   element_info[element].change =
8135     &element_info[element].change_page[current_change_page];
8136
8137   custom_element = element_info[element];
8138   custom_element_change = *element_info[element].change;
8139
8140   // needed to initially set selectbox options for special action options
8141   setSelectboxSpecialActionOptions();
8142
8143   // needed to initially set selectbox value variables to reliable defaults
8144   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8145     setSelectboxValue(i, *selectbox_info[i].value);
8146
8147   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8148     custom_element_properties[i] = HAS_PROPERTY(element, i);
8149
8150   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8151     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8152
8153   // ---------- element settings: configure (custom elements) -----------------
8154
8155   // set accessible layer selectbox help value
8156   custom_element.access_type =
8157     (IS_WALKABLE(element) ? EP_WALKABLE :
8158      IS_PASSABLE(element) ? EP_PASSABLE :
8159      custom_element.access_type);
8160   custom_element.access_layer =
8161     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8162      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8163      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8164      custom_element.access_layer);
8165   custom_element.access_protected =
8166     (IS_PROTECTED(element) ? 1 : 0);
8167   custom_element_properties[EP_ACCESSIBLE] =
8168     (IS_ACCESSIBLE_OVER(element) ||
8169      IS_ACCESSIBLE_INSIDE(element) ||
8170      IS_ACCESSIBLE_UNDER(element));
8171
8172   // set walk-to-object action selectbox help value
8173   custom_element.walk_to_action =
8174     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8175      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8176      IS_DROPPABLE(element) ? EP_DROPPABLE :
8177      IS_THROWABLE(element) ? EP_THROWABLE :
8178      IS_PUSHABLE(element) ? EP_PUSHABLE :
8179      custom_element.walk_to_action);
8180   custom_element_properties[EP_WALK_TO_OBJECT] =
8181     (IS_DIGGABLE(element) ||
8182      IS_COLLECTIBLE_ONLY(element) ||
8183      IS_DROPPABLE(element) ||
8184      IS_THROWABLE(element) ||
8185      IS_PUSHABLE(element));
8186
8187   // set smash targets selectbox help value
8188   custom_element.smash_targets =
8189     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8190      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8191      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8192      custom_element.smash_targets);
8193   custom_element_properties[EP_CAN_SMASH] =
8194     (CAN_SMASH_EVERYTHING(element) ||
8195      CAN_SMASH_ENEMIES(element) ||
8196      CAN_SMASH_PLAYER(element));
8197
8198   // set deadliness selectbox help value
8199   custom_element.deadliness =
8200     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8201      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8202      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8203      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8204      custom_element.deadliness);
8205   custom_element_properties[EP_DEADLY] =
8206     (DONT_TOUCH(element) ||
8207      DONT_GET_HIT_BY(element) ||
8208      DONT_COLLIDE_WITH(element) ||
8209      DONT_RUN_INTO(element));
8210
8211   // ---------- element settings: advanced (custom elements) ------------------
8212
8213   // set "change by direct action" selectbox help value
8214   custom_element_change.direct_action =
8215     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8216      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8217      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8218      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8219      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8220      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8221      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8222      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8223      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8224      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8225      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8226      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8227      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8228      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8229      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8230      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8231      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8232      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8233      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8234      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8235      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8236      custom_element_change.direct_action);
8237
8238   // set "change by other element action" selectbox help value
8239   custom_element_change.other_action =
8240     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8241      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8242      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8243      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8244      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8245      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8246      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8247      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8248      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8249      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8250      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8251      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8252      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8253      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8254      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8255      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8256      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8257      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8258      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8259      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8260      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8261      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8262      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8263      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8264      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8265      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8266      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8267      custom_element_change.other_action);
8268 }
8269
8270 static void CopyGroupElementPropertiesToEditor(int element)
8271 {
8272   group_element_info = *element_info[element].group;
8273   custom_element = element_info[element];       // needed for description
8274 }
8275
8276 static void CopyClassicElementPropertiesToEditor(int element)
8277 {
8278   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8279     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8280       getMoveIntoAcidProperty(&level, element);
8281
8282   if (MAYBE_DONT_COLLIDE_WITH(element))
8283     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8284       getDontCollideWithProperty(&level, element);
8285 }
8286
8287 static void CopyElementPropertiesToEditor(int element)
8288 {
8289   if (IS_CUSTOM_ELEMENT(element))
8290     CopyCustomElementPropertiesToEditor(element);
8291   else if (IS_GROUP_ELEMENT(element))
8292     CopyGroupElementPropertiesToEditor(element);
8293   else
8294     CopyClassicElementPropertiesToEditor(element);
8295 }
8296
8297 static boolean AskToCopyAndModifyLevelTemplate(void)
8298 {
8299   if (Request("Copy and modify settings from level template?", REQ_ASK))
8300   {
8301     level.use_custom_template = FALSE;
8302
8303     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8304                  GDI_CHECKED, FALSE, GDI_END);
8305     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8306                  GDI_CHECKED, FALSE, GDI_END);
8307
8308     return TRUE;
8309   }
8310   else
8311   {
8312     LoadLevelTemplate(-1);      // this resets all element modifications ...
8313
8314     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8315
8316     return FALSE;
8317   }
8318 }
8319
8320 static void CopyCustomElementPropertiesToGame(int element)
8321 {
8322   int i;
8323   int access_type_and_layer;
8324
8325   // mark that this custom element has been modified
8326   custom_element.modified_settings = TRUE;
8327   level.changed = TRUE;
8328
8329   if (level.use_custom_template)
8330     AskToCopyAndModifyLevelTemplate();
8331
8332   element_info[element] = custom_element;
8333   *element_info[element].change = custom_element_change;
8334
8335   // ---------- element settings: configure (custom elements) -----------------
8336
8337   // set accessible property from checkbox and selectbox
8338   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8339   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8340   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8341   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8342   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8343   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8344   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8345                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8346                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8347   custom_element_properties[access_type_and_layer] =
8348     custom_element_properties[EP_ACCESSIBLE];
8349   custom_element_properties[EP_PROTECTED] =
8350     (custom_element.access_protected != 0 &&
8351      custom_element_properties[EP_ACCESSIBLE]);
8352
8353   // set walk-to-object property from checkbox and selectbox
8354   custom_element_properties[EP_DIGGABLE] = FALSE;
8355   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8356   custom_element_properties[EP_DROPPABLE] = FALSE;
8357   custom_element_properties[EP_THROWABLE] = FALSE;
8358   custom_element_properties[EP_PUSHABLE] = FALSE;
8359   custom_element_properties[custom_element.walk_to_action] =
8360     custom_element_properties[EP_WALK_TO_OBJECT];
8361
8362   // set smash property from checkbox and selectbox
8363   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8364   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8365   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8366   custom_element_properties[custom_element.smash_targets] =
8367     custom_element_properties[EP_CAN_SMASH];
8368
8369   // set deadliness property from checkbox and selectbox
8370   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8371   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8372   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8373   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8374   custom_element_properties[custom_element.deadliness] =
8375     custom_element_properties[EP_DEADLY];
8376
8377   // ---------- element settings: advanced (custom elements) ------------------
8378
8379   // set player change event from checkbox and selectbox
8380   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8381   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8382   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8383   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8384   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8385   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8386   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8387   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8388   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8389   custom_element_change_events[CE_SWITCHED] = FALSE;
8390   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8391   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8392   custom_element_change_events[CE_BLOCKED] = FALSE;
8393   custom_element_change_events[CE_IMPACT] = FALSE;
8394   custom_element_change_events[CE_SMASHED] = FALSE;
8395   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8396   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8397   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8398   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8399   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8400   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8401   custom_element_change_events[custom_element_change.direct_action] =
8402     custom_element_change_events[CE_BY_DIRECT_ACTION];
8403
8404   // set other element action change event from checkbox and selectbox
8405   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8406   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8407   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8408   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8409   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8410   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8411   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8412   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8413   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8414   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8415   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8416   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8417   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8418   custom_element_change_events[CE_HITTING_X] = FALSE;
8419   custom_element_change_events[CE_DIGGING_X] = FALSE;
8420   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8421   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8422   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8423   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8424   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8425   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8426   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8427   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8428   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8429   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8430   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8431   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8432   custom_element_change_events[custom_element_change.other_action] =
8433     custom_element_change_events[CE_BY_OTHER_ACTION];
8434
8435   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8436     SET_PROPERTY(element, i, custom_element_properties[i]);
8437
8438   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8439     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8440
8441   // copy change events also to special level editor variable
8442   custom_element = element_info[element];
8443   custom_element_change = *element_info[element].change;
8444
8445   // needed here to restore runtime value "element_info[element].gfx_element"
8446   InitElementPropertiesGfxElement();
8447 }
8448
8449 static void CopyGroupElementPropertiesToGame(int element)
8450 {
8451   // mark that this group element has been modified
8452   custom_element.modified_settings = TRUE;
8453   level.changed = TRUE;
8454
8455   if (level.use_custom_template)
8456     AskToCopyAndModifyLevelTemplate();
8457
8458   element_info[element] = custom_element;
8459   *element_info[element].group = group_element_info;
8460
8461   // needed here to restore runtime value "element_info[element].gfx_element"
8462   InitElementPropertiesGfxElement();
8463 }
8464
8465 static void CopyClassicElementPropertiesToGame(int element)
8466 {
8467   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8468     setMoveIntoAcidProperty(&level, element,
8469                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8470
8471   if (MAYBE_DONT_COLLIDE_WITH(element))
8472     setDontCollideWithProperty(&level, element,
8473                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8474 }
8475
8476 static void CopyElementPropertiesToGame(int element)
8477 {
8478   if (IS_CUSTOM_ELEMENT(element))
8479     CopyCustomElementPropertiesToGame(element);
8480   else if (IS_GROUP_ELEMENT(element))
8481     CopyGroupElementPropertiesToGame(element);
8482   else
8483     CopyClassicElementPropertiesToGame(element);
8484 }
8485
8486 #if DEBUG
8487 static void CheckElementDescriptions(void)
8488 {
8489   int i;
8490
8491   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8492     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8493       Warn("no element description file for element '%s'", EL_NAME(i));
8494 }
8495 #endif
8496
8497 static int getMaxEdFieldX(boolean has_scrollbar)
8498 {
8499   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8500   int sxsize = SXSIZE - scrollbar_width;
8501   int max_ed_fieldx = sxsize / ed_tilesize;
8502
8503   return max_ed_fieldx;
8504 }
8505
8506 static int getMaxEdFieldY(boolean has_scrollbar)
8507 {
8508   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8509                          INFOTEXT_YSIZE_FULL : 0);
8510   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8511   int sysize = SYSIZE - scrollbar_height - infotext_height;
8512   int max_ed_fieldy = sysize / ed_tilesize;
8513
8514   return max_ed_fieldy;
8515 }
8516
8517 static void InitZoomLevelSettings(int zoom_tilesize)
8518 {
8519   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8520
8521   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8522   {
8523     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8524     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8525
8526     // make sure that tile size is always a power of 2
8527     ed_tilesize = (1 << log_2(ed_tilesize));
8528
8529     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8530     {
8531       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8532       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8533     }
8534   }
8535
8536   last_game_engine_type = level.game_engine_type;
8537
8538   // limit zoom tilesize by upper and lower bound
8539   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8540
8541   // store zoom tilesize in auto setup file only if it was manually changed
8542   if (zoom_tilesize != -1)
8543     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8544
8545   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8546   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8547 }
8548
8549 static void InitDrawingElements(void)
8550 {
8551   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8552
8553   if (level.game_engine_type == game_engine_type_last)
8554     return;
8555
8556   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8557   {
8558     new_element1 = EL_SP_CHIP_SINGLE;
8559     new_element2 = EL_EMPTY;
8560     new_element3 = EL_SP_BASE;
8561   }
8562   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8563   {
8564     new_element1 = EL_MM_MIRROR_START;
8565     new_element2 = EL_EMPTY;
8566     new_element3 = EL_MM_WOODEN_WALL;
8567   }
8568   else
8569   {
8570     new_element1 = EL_WALL;
8571     new_element2 = EL_EMPTY;
8572     new_element3 = EL_SAND;
8573   }
8574
8575   game_engine_type_last = level.game_engine_type;
8576 }
8577
8578 static void InitLevelSetInfo(void)
8579 {
8580   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8581            "%s", leveldir_current->name);
8582   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8583            "%s", leveldir_current->author);
8584
8585   levelset_num_levels = leveldir_current->levels;
8586
8587   levelset_use_levelset_artwork = FALSE;
8588   levelset_copy_level_template = FALSE;
8589
8590   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8591 }
8592
8593 static void ChangeEditorToLevelSet(char *levelset_subdir)
8594 {
8595   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8596
8597   // the previous level set might have used custom artwork
8598   ReloadCustomArtwork(0);
8599
8600   LoadLevelSetup_SeriesInfo();
8601
8602   SaveLevelSetup_LastSeries();
8603   SaveLevelSetup_SeriesInfo();
8604
8605   TapeErase();
8606
8607   LoadLevel(level_nr);
8608   LoadScore(level_nr);
8609
8610   DrawLevelEd();
8611 }
8612
8613 static boolean useEditorDoorAnimation(void)
8614 {
8615   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8616   boolean door_1_viewport_unchanged =
8617     (vp_door_1->x      == DX     &&
8618      vp_door_1->y      == DY     &&
8619      vp_door_1->width  == DXSIZE &&
8620      vp_door_1->height == DYSIZE);
8621   boolean door_1_contains_toolbox =
8622     (EX >= DX &&
8623      EY >= DY &&
8624      EX + EXSIZE <= DX + DXSIZE &&
8625      EY + EYSIZE <= DY + DYSIZE);
8626
8627   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8628 }
8629
8630 static void DrawEditorDoorBackground(int graphic, int x, int y,
8631                                      int width, int height)
8632 {
8633   struct GraphicInfo *g = &graphic_info[graphic];
8634
8635   if (g->bitmap != NULL)
8636     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8637                MIN(width, g->width), MIN(height, g->height), x, y);
8638   else
8639     ClearRectangle(drawto, x, y, width, height);
8640 }
8641
8642 static void DrawEditorDoorContent(void)
8643 {
8644   // needed for gadgets drawn on background (like palette scrollbar)
8645   SetDoorBackgroundImage(IMG_UNDEFINED);
8646
8647   // copy default editor door content to main double buffer
8648   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8649
8650   // draw bigger door
8651   DrawSpecialEditorDoor();
8652
8653   // draw new control window
8654   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8655
8656   // draw all toolbox gadgets to editor doors
8657   MapControlButtons();
8658
8659   // draw all palette gadgets to editor doors
8660   ModifyEditorElementList();
8661   RedrawDrawingElements();
8662
8663   // copy actual editor door content to door double buffer for OpenDoor()
8664   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8665 }
8666
8667 void DrawLevelEd(void)
8668 {
8669   int fade_mask = REDRAW_FIELD;
8670
8671   FadeSoundsAndMusic();
8672
8673   if (CheckFadeAll())
8674     fade_mask = REDRAW_ALL;
8675
8676   FadeOut(fade_mask);
8677
8678   // needed if different viewport properties defined for editor
8679   ChangeViewportPropertiesIfNeeded();
8680
8681   ClearField();
8682
8683   InitZoomLevelSettings(-1);
8684   InitDrawingElements();
8685   InitLevelSetInfo();
8686
8687 #if DEBUG
8688   CheckElementDescriptions();
8689 #endif
8690
8691   if (level_editor_test_game)
8692   {
8693     CopyPlayfield(level.field, Tile);
8694     CopyPlayfield(TileBackup, level.field);
8695
8696     level_editor_test_game = FALSE;
8697   }
8698   else
8699   {
8700     edit_mode = ED_MODE_DRAWING;
8701     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8702     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8703
8704     ResetUndoBuffer();
8705
8706     level_xpos = -1;
8707     level_ypos = -1;
8708   }
8709
8710   // redraw_mask |= REDRAW_ALL;
8711
8712   FreeLevelEditorGadgets();
8713   CreateLevelEditorGadgets();
8714
8715   ReinitializeElementList();            // update dynamic level element list
8716   ReinitializeElementListButtons();     // custom element may look different
8717
8718   InitElementPropertiesGfxElement();
8719
8720   UnmapAllGadgets();
8721
8722   DrawEditModeWindow_PlayfieldOnly();
8723
8724   DrawMaskedBorder(fade_mask);
8725
8726   // use door animation if door 1 viewport is unchanged and contains toolbox
8727   if (useEditorDoorAnimation())
8728   {
8729     FadeIn(fade_mask);
8730
8731     DrawEditorDoorContent();
8732
8733     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8734   }
8735   else
8736   {
8737     DrawEditorDoorContent();
8738
8739     FadeIn(fade_mask);
8740   }
8741
8742   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8743 }
8744
8745 static void AdjustDrawingAreaGadgets(void)
8746 {
8747   int ed_xsize = lev_fieldx + 2;
8748   int ed_ysize = lev_fieldy + 2;
8749   int max_ed_fieldx = MAX_ED_FIELDX;
8750   int max_ed_fieldy = MAX_ED_FIELDY;
8751   boolean horizontal_scrollbar_needed;
8752   boolean vertical_scrollbar_needed;
8753   int x, y, width, height;
8754
8755   if (suppressBorderElement())
8756   {
8757     ed_xsize = max_ed_fieldx;
8758     ed_ysize = max_ed_fieldy;
8759   }
8760
8761   // check if we need any scrollbars
8762   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8763   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8764
8765   // check if we have a smaller editor field because of scrollbars
8766   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8767   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8768
8769   // check again if we now need more scrollbars because of less space
8770   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8771   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8772
8773   // check if editor field gets even smaller after adding new scrollbars
8774   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8775   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8776
8777   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8778   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8779
8780   x = SX + ed_fieldx * ed_tilesize;
8781   y = SY + ed_fieldy * ed_tilesize;
8782
8783   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8784   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8785
8786   // adjust drawing area gadget
8787   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8788                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8789                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8790                GDI_END);
8791
8792   // adjust horizontal scrollbar gadgets
8793   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8794                GDI_Y, y,
8795                GDI_END);
8796   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8797                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8798                GDI_Y, y,
8799                GDI_END);
8800   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8801                GDI_Y, y,
8802                GDI_WIDTH, width,
8803                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8804                GDI_END);
8805
8806   // adjust vertical scrollbar gadgets
8807   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8808                GDI_X, x,
8809                GDI_END);
8810   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8811                GDI_X, x,
8812                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8813                GDI_END);
8814   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8815                GDI_X, x,
8816                GDI_HEIGHT, height,
8817                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8818                GDI_END);
8819 }
8820
8821 static void AdjustLevelScrollPosition(void)
8822 {
8823   if (level_xpos < -1)
8824     level_xpos = -1;
8825   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8826     level_xpos = lev_fieldx - ed_fieldx + 1;
8827   if (lev_fieldx < ed_fieldx - 2)
8828     level_xpos = -1;
8829
8830   if (level_ypos < -1)
8831     level_ypos = -1;
8832   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8833     level_ypos = lev_fieldy - ed_fieldy + 1;
8834   if (lev_fieldy < ed_fieldy - 2)
8835     level_ypos = -1;
8836
8837   if (suppressBorderElement())
8838   {
8839     level_xpos = 0;
8840     level_ypos = 0;
8841   }
8842 }
8843
8844 static void AdjustEditorScrollbar(int id)
8845 {
8846   struct GadgetInfo *gi = level_editor_gadget[id];
8847   int items_max, items_visible, item_position;
8848
8849   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8850   {
8851     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8852     items_visible = ed_fieldx;
8853     item_position = level_xpos + 1;
8854   }
8855   else
8856   {
8857     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8858     items_visible = ed_fieldy;
8859     item_position = level_ypos + 1;
8860   }
8861
8862   if (item_position > items_max - items_visible)
8863     item_position = items_max - items_visible;
8864
8865   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8866                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8867 }
8868
8869 static void AdjustElementListScrollbar(void)
8870 {
8871   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8872   int items_max, items_visible, item_position;
8873
8874   // correct position of element list scrollbar
8875   if (element_shift < 0)
8876     element_shift = 0;
8877   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8878     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8879
8880   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8881   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8882   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8883
8884   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8885                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8886                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8887 }
8888
8889 static void ModifyEditorCounterValue(int counter_id, int new_value)
8890 {
8891   int *counter_value = counterbutton_info[counter_id].value;
8892   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8893   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8894
8895   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8896
8897   if (counter_value != NULL)
8898     *counter_value = gi->textinput.number_value;
8899 }
8900
8901 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8902 {
8903   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8904   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8905
8906   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8907
8908   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8909       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8910   {
8911     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8912     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8913
8914     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8915     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8916                  GDI_END);
8917   }
8918 }
8919
8920 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8921 {
8922   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8923   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8924   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8925
8926   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8927 }
8928
8929 static void ModifyEditorSelectboxOptions(int selectbox_id,
8930                                          struct ValueTextInfo *options)
8931 {
8932   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8933   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8934
8935   selectbox_info[selectbox_id].options = options;
8936
8937   // set index to zero -- list may be shorter now (correct later, if needed)
8938   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8939                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8940 }
8941
8942 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8943 {
8944   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8945   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8946
8947   drawingarea_info[drawingarea_id].area_xsize = xsize;
8948   drawingarea_info[drawingarea_id].area_ysize = ysize;
8949
8950   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8951 }
8952
8953 static void ModifyEditorElementList(void)
8954 {
8955   int i;
8956
8957   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8958     return;
8959
8960   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8961   {
8962     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8963     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8964     struct GadgetDesign *gd = &gi->deco.design;
8965     int element = editor_elements[element_shift + i];
8966     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8967
8968     UnmapGadget(gi);
8969
8970     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8971
8972     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8973
8974     MapGadget(gi);
8975   }
8976 }
8977
8978 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8979 {
8980   int graphic = el2edimg(element);
8981   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8982
8983   if (pos->x == -1 &&
8984       pos->y == -1)
8985     return;
8986
8987   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8988 }
8989
8990 static void ModifyDrawingElementButton(int element, int id)
8991 {
8992   struct GadgetInfo *gi = level_editor_gadget[id];
8993   Bitmap *deco_bitmap;
8994   int deco_x, deco_y;
8995   int tile_size = gi->deco.width;
8996
8997   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8998
8999   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9000 }
9001
9002 static void PickDrawingElement(int button, int element)
9003 {
9004   struct
9005   {
9006     int *new_element;
9007     struct XYTileSize *pos;
9008     int id;
9009   } de, drawing_elements[] =
9010   {
9011     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9012     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9013     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9014   };
9015
9016   if (button < 1 || button > 3)
9017     return;
9018
9019   if (IS_MM_WALL(element))
9020     element = map_mm_wall_element(element);
9021
9022   de = drawing_elements[button - 1];
9023
9024   *de.new_element = element;    // update global drawing element variable
9025
9026   DrawDrawingElementGraphic(element, de.pos);
9027   ModifyDrawingElementButton(element, de.id);
9028
9029   redraw_mask |= REDRAW_DOOR_1;
9030 }
9031
9032 static void RedrawDrawingElements(void)
9033 {
9034   PickDrawingElement(1, new_element1);
9035   PickDrawingElement(2, new_element2);
9036   PickDrawingElement(3, new_element3);
9037 }
9038
9039 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9040 {
9041   stick_element_properties_window = FALSE;
9042
9043   SetMainBackgroundImage(IMG_UNDEFINED);
9044   ClearField();
9045
9046   UnmapLevelEditorFieldGadgets();
9047
9048   AdjustDrawingAreaGadgets();
9049   AdjustLevelScrollPosition();
9050   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9051   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9052
9053   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9054
9055   MapMainDrawingArea();
9056
9057   if (remap_toolbox_gadgets)
9058   {
9059     UnmapLevelEditorToolboxCustomGadgets();
9060     MapLevelEditorToolboxDrawingGadgets();
9061   }
9062 }
9063
9064 static void DrawDrawingWindow(void)
9065 {
9066   DrawDrawingWindowExt(TRUE);
9067 }
9068
9069 static int getTabulatorBarWidth(void)
9070 {
9071   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9072   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9073
9074   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9075 }
9076
9077 static int getTabulatorBarHeight(void)
9078 {
9079   return ED_TAB_BAR_HEIGHT;
9080 }
9081
9082 static Pixel getTabulatorBarColor(void)
9083 {
9084   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9085   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9086   int gd_x = gd->x + gd_gi1->border.width / 2;
9087   int gd_y = gd->y + gd_gi1->height - 1;
9088
9089   return GetPixel(gd->bitmap, gd_x, gd_y);
9090 }
9091
9092 static void DrawLevelInfoTabulatorGadgets(void)
9093 {
9094   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9095   Pixel tab_color = getTabulatorBarColor();
9096   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9097   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9098   int i;
9099
9100   for (i = id_first; i <= id_last; i++)
9101   {
9102     int gadget_id = textbutton_info[i].gadget_id;
9103     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9104     boolean active = (i != edit_mode_levelinfo);
9105
9106     // draw background line below tabulator button
9107     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9108
9109     // draw solid line below inactive tabulator buttons
9110     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9111       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9112                     ED_GADGET_TINY_DISTANCE, tab_color);
9113
9114     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9115     MapTextbuttonGadget(i);
9116   }
9117
9118   // draw little border line below tabulator buttons
9119   if (tab_color != BLACK_PIXEL)                 // black => transparent
9120     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9121                   ED_GADGET_TINY_DISTANCE,
9122                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9123 }
9124
9125 static void DrawPropertiesTabulatorGadgets(void)
9126 {
9127   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9128   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9129   int gd_x = gd->x + gd_gi1->border.width / 2;
9130   int gd_y = gd->y + gd_gi1->height - 1;
9131   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9132   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9133   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9134   int i;
9135
9136   // draw two config tabulators for player elements
9137   if (IS_PLAYER_ELEMENT(properties_element))
9138     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9139
9140   // draw two config and one "change" tabulator for custom elements
9141   if (IS_CUSTOM_ELEMENT(properties_element))
9142     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9143
9144   for (i = id_first; i <= id_last; i++)
9145   {
9146     int gadget_id = textbutton_info[i].gadget_id;
9147     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9148     boolean active = (i != edit_mode_properties);
9149
9150     // use "config 1" and "config 2" instead of "config" for players and CEs
9151     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9152         (IS_PLAYER_ELEMENT(properties_element) ||
9153          IS_CUSTOM_ELEMENT(properties_element)))
9154       continue;
9155
9156     // draw background line below tabulator button
9157     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9158
9159     // draw solid line below inactive tabulator buttons
9160     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9161       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9162                     ED_GADGET_TINY_DISTANCE, tab_color);
9163
9164     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9165     MapTextbuttonGadget(i);
9166   }
9167
9168   // draw little border line below tabulator buttons
9169   if (tab_color != BLACK_PIXEL)                 // black => transparent
9170     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9171                   ED_GADGET_TINY_DISTANCE,
9172                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9173 }
9174
9175 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9176 {
9177   DrawText(SX + xpos, SY + ypos, text, font_nr);
9178 }
9179
9180 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9181                                            int xpos, int ypos)
9182 {
9183   int font_width = getFontWidth(font_nr);
9184   int font_height = getFontHeight(font_nr);
9185   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9186   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9187
9188   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9189                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9190                       TRUE, FALSE, FALSE);
9191 }
9192
9193 static void DrawLevelInfoLevel(void)
9194 {
9195   int i;
9196
9197   // draw counter gadgets
9198   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9199     MapCounterButtons(i);
9200
9201   // draw checkbutton gadgets
9202   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9203     MapCheckbuttonGadget(i);
9204
9205   // draw selectbox gadgets
9206   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9207     MapSelectboxGadget(i);
9208
9209   // draw text input gadgets
9210   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9211     MapTextInputGadget(i);
9212 }
9213
9214 static char *getLevelSubdirFromSaveMode(int save_mode)
9215 {
9216   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9217     return getNewUserLevelSubdir();
9218
9219   return leveldir_current->subdir;
9220 }
9221
9222 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9223 {
9224   char *directory_text = "Level set directory:";
9225   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9226   int font1_nr = FONT_TEXT_1;
9227   int font2_nr = FONT_TEXT_2;
9228   int font1_height = getFontHeight(font1_nr);
9229   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9230   int x = ED_LEVEL_SETTINGS_X(0);
9231   int y = ED_LEVEL_SETTINGS_Y(6);
9232
9233   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9234   PrintInfoText(directory_name, font2_nr, x, y);
9235 }
9236
9237 static void DrawLevelInfoLevelSet(void)
9238 {
9239   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9240   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9241   int i;
9242
9243   // draw counter gadgets
9244   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9245     MapCounterButtons(i);
9246
9247   // draw checkbutton gadgets
9248   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9249   {
9250     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9251         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9252         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9253       continue;
9254
9255     MapCheckbuttonGadget(i);
9256   }
9257
9258   // draw selectbox gadgets
9259   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9260     MapSelectboxGadget(i);
9261
9262   // draw text input gadgets
9263   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9264     MapTextInputGadget(i);
9265
9266   // draw textbutton gadgets
9267   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9268
9269   // draw info text
9270   DrawLevelInfoLevelSet_DirectoryInfo();
9271 }
9272
9273 static void DrawLevelInfoEditor(void)
9274 {
9275   int i;
9276
9277   // draw counter gadgets
9278   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9279     MapCounterButtons(i);
9280
9281   // draw checkbutton gadgets
9282   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9283     MapCheckbuttonGadget(i);
9284
9285   // draw radiobutton gadgets
9286   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9287     MapRadiobuttonGadget(i);
9288
9289   // draw drawing area
9290   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9291
9292   // draw textbutton gadgets
9293   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9294 }
9295
9296 static void DrawLevelInfoWindow(void)
9297 {
9298   char *text = "Global Settings";
9299   int font_nr = FONT_TITLE_1;
9300   struct MenuPosInfo *pos = &editor.settings.headline;
9301   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9302   int sy = SY + pos->y;
9303
9304   stick_element_properties_window = FALSE;
9305
9306   SetAutomaticNumberOfGemsNeeded();
9307
9308   UnmapLevelEditorFieldGadgets();
9309
9310   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9311   ClearField();
9312
9313   DrawText(sx, sy, text, font_nr);
9314
9315   DrawLevelInfoTabulatorGadgets();
9316
9317   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9318     DrawLevelInfoLevel();
9319   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9320     DrawLevelInfoLevelSet();
9321   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9322     DrawLevelInfoEditor();
9323 }
9324
9325 static void DrawCustomContentArea(void)
9326 {
9327   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9328   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9329   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9330   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9331   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9332   int xoffset = ED_GADGET_SPACE_DISTANCE;
9333
9334   // add distance for potential left text (without drawing area border)
9335   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9336
9337   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9338
9339   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9340 }
9341
9342 static void DrawCustomChangeContentArea(void)
9343 {
9344   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9345   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9346   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9347   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9348   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9349   int xoffset = ED_GADGET_SPACE_DISTANCE;
9350
9351   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9352
9353   MapDrawingArea(id);
9354 }
9355
9356 static void RemoveElementContentArea(int id, int font_height)
9357 {
9358   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9359
9360   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9361                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9362                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9363                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9364                  ED_GADGET_TEXT_DISTANCE + font_height);
9365 }
9366
9367 static void DrawYamYamContentAreas(void)
9368 {
9369   int font_nr = FONT_TEXT_1;
9370   int font_height = getFontHeight(font_nr);
9371   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9372   int yoffset = (tilesize - font_height) / 2;
9373   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9374   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9375   int i;
9376
9377   // display counter to choose number of element content areas
9378   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9379
9380   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9381   {
9382     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9383
9384     if (i < level.num_yamyam_contents)
9385     {
9386       MapDrawingArea(id);
9387     }
9388     else
9389     {
9390       UnmapDrawingArea(id);
9391
9392       // delete content areas in case of reducing number of them
9393       RemoveElementContentArea(id, font_height);
9394     }
9395   }
9396
9397   DrawText(x, y + 0 * tilesize, "content", font_nr);
9398   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9399   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9400 }
9401
9402 static void DrawMagicBallContentAreas(void)
9403 {
9404   int font_nr = FONT_TEXT_1;
9405   int font_height = getFontHeight(font_nr);
9406   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9407   int yoffset = (tilesize - font_height) / 2;
9408   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9409   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9410   int i;
9411
9412   // display counter to choose number of element content areas
9413   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9414
9415   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9416   {
9417     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9418
9419     if (i < level.num_ball_contents)
9420     {
9421       MapDrawingArea(id);
9422     }
9423     else
9424     {
9425       UnmapDrawingArea(id);
9426
9427       // delete content areas in case of reducing number of them
9428       RemoveElementContentArea(id, font_height);
9429     }
9430   }
9431
9432   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9433   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9434   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9435 }
9436
9437 static void DrawAndroidElementArea(int element)
9438 {
9439   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9440   int num_elements = level.num_android_clone_elements;
9441   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9442   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9443   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9444   int xsize = MAX_ANDROID_ELEMENTS;
9445   int ysize = 1;
9446
9447   // display counter to choose number of element areas
9448   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9449
9450   if (drawingarea_info[id].text_left != NULL)
9451     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9452
9453   UnmapDrawingArea(id);
9454
9455   ModifyEditorDrawingArea(id, num_elements, 1);
9456
9457   // delete content areas in case of reducing number of them
9458   DrawBackground(sx, sy,
9459                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9460                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9461
9462   MapDrawingArea(id);
9463 }
9464
9465 static void DrawGroupElementArea(int element)
9466 {
9467   int id = ED_DRAWING_ID_GROUP_CONTENT;
9468   int num_elements = group_element_info.num_elements;
9469   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9470   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9471   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9472   int xsize = MAX_ELEMENTS_IN_GROUP;
9473   int ysize = 1;
9474
9475   if (drawingarea_info[id].text_left != NULL)
9476     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9477
9478   UnmapDrawingArea(id);
9479
9480   ModifyEditorDrawingArea(id, num_elements, 1);
9481
9482   // delete content areas in case of reducing number of them
9483   DrawBackground(sx, sy,
9484                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9485                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9486
9487   MapDrawingArea(id);
9488 }
9489
9490 static void DrawPlayerInitialInventoryArea(int element)
9491 {
9492   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9493   int player_nr = GET_PLAYER_NR(element);
9494   int num_elements = level.initial_inventory_size[player_nr];
9495   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9496   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9497   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9498   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9499   int ysize = 1;
9500
9501   // determine horizontal position to the right of specified gadget
9502   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9503     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9504           ED_DRAWINGAREA_TEXT_DISTANCE);
9505
9506   // determine horizontal offset for leading text
9507   if (drawingarea_info[id].text_left != NULL)
9508     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9509
9510   UnmapDrawingArea(id);
9511
9512   ModifyEditorDrawingArea(id, num_elements, 1);
9513
9514   // delete content areas in case of reducing number of them
9515   DrawBackground(sx, sy,
9516                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9517                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9518
9519   MapDrawingArea(id);
9520 }
9521
9522 static void DrawEnvelopeTextArea(int envelope_nr)
9523 {
9524   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9525   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9526
9527   UnmapGadget(gi);
9528   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9529
9530   if (envelope_nr != -1)
9531     textarea_info[id].value = level.envelope[envelope_nr].text;
9532
9533   ModifyGadget(gi, GDI_AREA_SIZE,
9534                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9535                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9536                GDI_END);
9537
9538   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9539 }
9540
9541 static void DrawPropertiesInfo(void)
9542 {
9543   static struct
9544   {
9545     int value;
9546     char *text;
9547   }
9548   properties[] =
9549   {
9550     // configurable properties
9551
9552     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9553     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9554     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9555     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9556     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9557     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9558     { EP_PROTECTED,             "- player is protected by it"           },
9559
9560     { EP_DIGGABLE,              "- can be digged away"                  },
9561     { EP_COLLECTIBLE,           "- can be collected"                    },
9562     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9563     { EP_THROWABLE,             "- can be thrown after collecting"      },
9564     { EP_PUSHABLE,              "- can be pushed"                       },
9565
9566     { EP_CAN_FALL,              "- can fall"                            },
9567     { EP_CAN_MOVE,              "- can move"                            },
9568
9569     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9570 #if 0
9571     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9572 #endif
9573     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9574
9575     { EP_SLIPPERY,              "- slippery for falling elements"       },
9576     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9577
9578     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9579     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9580     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9581     { EP_DONT_TOUCH,            "- deadly when touching"                },
9582
9583     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9584
9585     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9586     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9587     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9588
9589     { EP_CAN_CHANGE,            "- can change to other element"         },
9590
9591     // pre-defined properties
9592     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9593     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9594     { EP_SWITCHABLE,            "- can be switched"                     },
9595 #if 0
9596     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9597 #endif
9598
9599     { -1,                       NULL                                    }
9600   };
9601   char *filename = getElementDescriptionFilename(properties_element);
9602   char *percentage_text = "In this level: ";
9603   char *properties_text = "Standard properties: ";
9604   char *description_text = "Description:";
9605   char *no_description_text = "No description available.";
9606   char *none_text = "None";
9607   float percentage;
9608   int num_elements_in_level;
9609   int num_standard_properties = 0;
9610   int font1_nr = FONT_TEXT_1;
9611   int font2_nr = FONT_TEXT_2;
9612   int font1_width = getFontWidth(font1_nr);
9613   int font1_height = getFontHeight(font1_nr);
9614   int font2_height = getFontHeight(font2_nr);
9615   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9616   int font2_yoffset = (font1_height - font2_height) / 2;
9617   int percentage_text_len = strlen(percentage_text) * font1_width;
9618   int properties_text_len = strlen(properties_text) * font1_width;
9619   int xpos = ED_ELEMENT_SETTINGS_X(0);
9620   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9621   int i, x, y;
9622
9623   if (setup.editor.show_element_token)
9624   {
9625     int font3_nr = FONT_TEXT_3;
9626     int font3_height = getFontHeight(font3_nr);
9627
9628     DrawTextF(xpos, ypos, font3_nr,
9629               "[%s]", element_info[properties_element].token_name);
9630
9631     ypos += 2 * font3_height;
9632   }
9633
9634   // ----- print number of elements / percentage of this element in level
9635
9636   num_elements_in_level = 0;
9637   for (y = 0; y < lev_fieldy; y++)
9638     for (x = 0; x < lev_fieldx; x++)
9639       if (Tile[x][y] == properties_element)
9640         num_elements_in_level++;
9641   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9642
9643   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9644
9645   if (num_elements_in_level > 0)
9646     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9647               "%d (%.2f %%)", num_elements_in_level, percentage);
9648   else
9649     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9650               none_text);
9651
9652   ypos += 2 * MAX(font1_height, font2_height);
9653
9654   // ----- print standard properties of this element
9655
9656   DrawTextS(xpos, ypos, font1_nr, properties_text);
9657
9658   ypos += line1_height;
9659
9660   for (i = 0; properties[i].value != -1; i++)
9661   {
9662     if (!HAS_PROPERTY(properties_element, properties[i].value))
9663       continue;
9664
9665     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9666
9667     ypos += font2_height;
9668
9669     num_standard_properties++;
9670   }
9671
9672   if (num_standard_properties == 0)
9673   {
9674     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9675               font2_nr, none_text);
9676
9677     ypos -= (line1_height - font1_height);
9678   }
9679
9680   ypos += MAX(font1_height, font2_height);
9681
9682   // ----- print special description of this element
9683
9684   PrintInfoText(description_text, font1_nr, xpos, ypos);
9685
9686   ypos += line1_height;
9687
9688   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9689     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9690 }
9691
9692 #define TEXT_COLLECTING         "Score for collecting"
9693 #define TEXT_SMASHING           "Score for smashing"
9694 #define TEXT_SLURPING           "Score for slurping robot"
9695 #define TEXT_CRACKING           "Score for cracking"
9696 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9697 #define TEXT_DURATION           "Duration when activated"
9698 #define TEXT_DELAY_ON           "Delay before activating"
9699 #define TEXT_DELAY_OFF          "Delay before deactivating"
9700 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9701 #define TEXT_DELAY_MOVING       "Delay before moving"
9702 #define TEXT_BALL_DELAY         "Element generation delay"
9703 #define TEXT_MOVE_SPEED         "Speed of android moving"
9704 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9705 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9706 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9707 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9708 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9709 #define TEXT_TIME_BONUS         "Extra time to solve level"
9710
9711 static struct
9712 {
9713   int element;
9714   int *value;
9715   char *text;
9716 } elements_with_counter[] =
9717 {
9718   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9719   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9720   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9721   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9722   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9723   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9724   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9725   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9726   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9727   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9728   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9729   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9730   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9731   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9732   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9733   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9734   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9735   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9736   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9737   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9738   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9739   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9740   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9741   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9742   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9743   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9744   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9745   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9746   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9747   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9748   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9749   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9750   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9751   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9752   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9753   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9754   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9755   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9756   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9757   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9758   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9759   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9760   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9761   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9762   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9763   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9764   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9765   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9766   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9767   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9768   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9769   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9770   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9771   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9772   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9773   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9774   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9775   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9776   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9777   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9778   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9779   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9780   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9781   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9782   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9783   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9784   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9785   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9786   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9787   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9788   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9789   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9790   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9791   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9792   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9793   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9794   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9795   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9796   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9797   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9798   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9799   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9800   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9801
9802   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9803   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9804   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9805   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9806   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9807   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9808   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9809   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9810   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9811   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9812   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9813   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9814   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9815   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9816   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9817   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9818
9819   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9820   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9821   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9822   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9823   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9824   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9825   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9826   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9827   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9828   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9829   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9830   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9831   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9832   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9833   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9834
9835   { -1,                 NULL,                           NULL            }
9836 };
9837
9838 static boolean checkPropertiesConfig(int element)
9839 {
9840   int i;
9841
9842   if (IS_GEM(element) ||
9843       IS_CUSTOM_ELEMENT(element) ||
9844       IS_GROUP_ELEMENT(element) ||
9845       IS_BALLOON_ELEMENT(element) ||
9846       IS_ENVELOPE(element) ||
9847       IS_MM_MCDUFFIN(element) ||
9848       IS_DF_LASER(element) ||
9849       IS_PLAYER_ELEMENT(element) ||
9850       HAS_EDITOR_CONTENT(element) ||
9851       CAN_GROW(element) ||
9852       COULD_MOVE_INTO_ACID(element) ||
9853       MAYBE_DONT_COLLIDE_WITH(element) ||
9854       element == EL_SOKOBAN_OBJECT ||
9855       element == EL_SOKOBAN_FIELD_EMPTY ||
9856       element == EL_SOKOBAN_FIELD_FULL)
9857     return TRUE;
9858   else
9859     for (i = 0; elements_with_counter[i].element != -1; i++)
9860       if (elements_with_counter[i].element == element)
9861         return TRUE;
9862
9863   return FALSE;
9864 }
9865
9866 static void SetAutomaticNumberOfGemsNeeded(void)
9867 {
9868   int x, y;
9869
9870   if (!level.auto_count_gems)
9871     return;
9872
9873   level.gems_needed = 0;
9874
9875   for (x = 0; x < lev_fieldx; x++)
9876   {
9877     for (y = 0; y < lev_fieldy; y++)
9878     {
9879       int element = Tile[x][y];
9880
9881       switch (element)
9882       {
9883         case EL_EMERALD:
9884         case EL_EMERALD_YELLOW:
9885         case EL_EMERALD_RED:
9886         case EL_EMERALD_PURPLE:
9887         case EL_BD_DIAMOND:
9888         case EL_WALL_EMERALD:
9889         case EL_WALL_EMERALD_YELLOW:
9890         case EL_WALL_EMERALD_RED:
9891         case EL_WALL_EMERALD_PURPLE:
9892         case EL_WALL_BD_DIAMOND:
9893         case EL_NUT:
9894         case EL_SP_INFOTRON:
9895         case EL_MM_KETTLE:
9896         case EL_DF_CELL:
9897           level.gems_needed++;
9898           break;
9899
9900         case EL_DIAMOND:
9901         case EL_WALL_DIAMOND:
9902           level.gems_needed += 3;
9903           break;
9904
9905         case EL_PEARL:
9906         case EL_WALL_PEARL:
9907           level.gems_needed += 5;
9908           break;
9909
9910         case EL_CRYSTAL:
9911         case EL_WALL_CRYSTAL:
9912           level.gems_needed += 8;
9913           break;
9914
9915         default:
9916           break;
9917       }
9918     }
9919   }
9920
9921   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9922 }
9923
9924 static void DrawPropertiesConfig(void)
9925 {
9926   boolean draw_footer_line = FALSE;
9927   int max_num_element_counters = 4;
9928   int num_element_counters = 0;
9929   int i;
9930
9931   if (!checkPropertiesConfig(properties_element))
9932   {
9933     int xpos = ED_ELEMENT_SETTINGS_X(0);
9934     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9935
9936     PrintInfoText("No configuration options available.",
9937                   FONT_TEXT_1, xpos, ypos);
9938
9939     return;
9940   }
9941
9942   // check if there are elements where a value can be chosen for
9943   for (i = 0; elements_with_counter[i].element != -1; i++)
9944   {
9945     if (elements_with_counter[i].element == properties_element)
9946     {
9947       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9948
9949       counterbutton_info[counter_id].y =
9950         ED_ELEMENT_SETTINGS_YPOS(
9951                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9952                 (CAN_GROW(properties_element)                ? 1 : 0) +
9953                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9954                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9955                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9956                 num_element_counters);
9957
9958       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9959       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9960
9961       if (properties_element == EL_GAME_OF_LIFE ||
9962           properties_element == EL_BIOMAZE)
9963       {
9964         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9965         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9966       }
9967       else
9968       {
9969         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9970         counterbutton_info[counter_id].min_value = MIN_SCORE;
9971         counterbutton_info[counter_id].max_value = MAX_SCORE;
9972       }
9973
9974       MapCounterButtons(counter_id);
9975
9976       num_element_counters++;
9977       if (num_element_counters >= max_num_element_counters)
9978         break;
9979     }
9980   }
9981
9982   if (HAS_EDITOR_CONTENT(properties_element))
9983   {
9984     // draw stickybutton gadget
9985     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9986
9987     if (IS_AMOEBOID(properties_element))
9988       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9989     else if (properties_element == EL_YAMYAM ||
9990              properties_element == EL_YAMYAM_LEFT ||
9991              properties_element == EL_YAMYAM_RIGHT ||
9992              properties_element == EL_YAMYAM_UP ||
9993              properties_element == EL_YAMYAM_DOWN)
9994       DrawYamYamContentAreas();
9995     else if (properties_element == EL_EMC_MAGIC_BALL)
9996     {
9997       DrawMagicBallContentAreas();
9998
9999       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10000       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10001     }
10002     else if (properties_element == EL_EMC_ANDROID)
10003       DrawAndroidElementArea(properties_element);
10004   }
10005
10006   if (IS_PLAYER_ELEMENT(properties_element))
10007   {
10008     int player_nr = GET_PLAYER_NR(properties_element);
10009
10010     // these properties can be set for every player individually
10011
10012     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10013     {
10014       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10015         &level.start_element[player_nr];
10016       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10017         &level.artwork_element[player_nr];
10018       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10019         &level.explosion_element[player_nr];
10020
10021       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10022         &level.use_start_element[player_nr];
10023       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10024         &level.use_artwork_element[player_nr];
10025       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10026         &level.use_explosion_element[player_nr];
10027       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10028         &level.initial_player_gravity[player_nr];
10029
10030       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10031         &level.initial_player_stepsize[player_nr];
10032
10033       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10034       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10035                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10036                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10037       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10038       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10039       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10040       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10041       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10042       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10043       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10044       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10045       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10046       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10047       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10048
10049       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10050       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10051       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10052
10053       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10054     }
10055     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10056     {
10057       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10058         &level.initial_inventory_content[player_nr][0];
10059
10060       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10061         &level.initial_inventory_size[player_nr];
10062
10063       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10064         &level.use_initial_inventory[player_nr];
10065
10066       // draw checkbutton gadgets
10067       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10068       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10069       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10070
10071       // draw counter gadgets
10072       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10073
10074       // draw drawing area gadgets
10075       DrawPlayerInitialInventoryArea(properties_element);
10076     }
10077   }
10078
10079   if (IS_GEM(properties_element))
10080     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10081
10082   if (properties_element == EL_EM_DYNAMITE)
10083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10084
10085   if (COULD_MOVE_INTO_ACID(properties_element) &&
10086       !IS_PLAYER_ELEMENT(properties_element) &&
10087       (!IS_CUSTOM_ELEMENT(properties_element) ||
10088        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10089   {
10090     // set position for checkbutton for "can move into acid"
10091     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10092       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10093     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10094       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10095                                IS_BALLOON_ELEMENT(properties_element) ||
10096                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10097
10098     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10099   }
10100
10101   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10102     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10103
10104   if (properties_element == EL_SPRING ||
10105       properties_element == EL_SPRING_LEFT ||
10106       properties_element == EL_SPRING_RIGHT)
10107     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10108
10109   if (properties_element == EL_TIME_ORB_FULL)
10110     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10111
10112   if (properties_element == EL_GAME_OF_LIFE ||
10113       properties_element == EL_BIOMAZE)
10114     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10115
10116   if (CAN_GROW(properties_element))
10117   {
10118     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10119       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10120
10121     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10122   }
10123
10124   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10125     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10126
10127   if (properties_element == EL_SOKOBAN_OBJECT)
10128     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10129
10130   if (properties_element == EL_SOKOBAN_OBJECT ||
10131       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10132       properties_element == EL_SOKOBAN_FIELD_FULL)
10133   {
10134     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10135       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10136                                0 : 1);
10137
10138     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10139   }
10140
10141   if (IS_BALLOON_ELEMENT(properties_element))
10142     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10143
10144   if (IS_ENVELOPE(properties_element))
10145   {
10146     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10147     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10148     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10149     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10150     int envelope_nr = properties_element - EL_ENVELOPE_1;
10151
10152     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10153     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10154
10155     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10156     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10157
10158     // display counter to choose size of envelope text area
10159     MapCounterButtons(counter1_id);
10160     MapCounterButtons(counter2_id);
10161
10162     // display checkbuttons to choose auto-wrap and alignment properties
10163     MapCheckbuttonGadget(button1_id);
10164     MapCheckbuttonGadget(button2_id);
10165
10166     DrawEnvelopeTextArea(envelope_nr);
10167   }
10168
10169   if (IS_MM_MCDUFFIN(properties_element))
10170   {
10171     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10172     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10173     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10174   }
10175
10176   if (IS_DF_LASER(properties_element))
10177   {
10178     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10179     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10180     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10181   }
10182
10183   if (IS_CUSTOM_ELEMENT(properties_element))
10184   {
10185     // draw stickybutton gadget
10186     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10187
10188     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10189     {
10190       // draw checkbutton gadgets
10191       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10192            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10193         MapCheckbuttonGadget(i);
10194
10195       // draw counter gadgets
10196       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10197            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10198         MapCounterButtons(i);
10199
10200       // draw selectbox gadgets
10201       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10202            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10203         MapSelectboxGadget(i);
10204
10205       // draw textbutton gadgets
10206       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10207
10208       // draw text input gadgets
10209       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10210
10211       // draw drawing area gadgets
10212       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10213
10214       draw_footer_line = TRUE;
10215     }
10216     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10217     {
10218       // draw checkbutton gadgets
10219       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10220            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10221         MapCheckbuttonGadget(i);
10222
10223       // draw counter gadgets
10224       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10225            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10226         MapCounterButtons(i);
10227
10228       // draw selectbox gadgets
10229       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10230            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10231         MapSelectboxGadget(i);
10232
10233       // draw drawing area gadgets
10234       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10235       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10236       DrawCustomContentArea();
10237     }
10238   }
10239   else if (IS_GROUP_ELEMENT(properties_element))
10240   {
10241     // draw stickybutton gadget
10242     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10243
10244     // draw checkbutton gadgets
10245     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10246     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10247
10248     // draw counter gadgets
10249     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10250
10251     // draw selectbox gadgets
10252     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10253
10254     // draw textbutton gadgets
10255     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10256
10257     // draw drawing area gadgets
10258     DrawGroupElementArea(properties_element);
10259
10260     // draw text input gadgets
10261     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10262
10263     // draw drawing area gadgets
10264     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10265
10266     draw_footer_line = TRUE;
10267   }
10268
10269   // draw little footer border line above CE/GE use/save template gadgets
10270   if (draw_footer_line)
10271   {
10272     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10273     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10274     int gd_x = gd->x + gd_gi1->border.width / 2;
10275     int gd_y = gd->y + gd_gi1->height - 1;
10276     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10277
10278     if (tab_color != BLACK_PIXEL)               // black => transparent
10279       FillRectangle(drawto,
10280                     SX + ED_ELEMENT_SETTINGS_X(0),
10281                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10282                     ED_TAB_BAR_HEIGHT,
10283                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10284   }
10285 }
10286
10287 static void DrawPropertiesChangeDrawingAreas(void)
10288 {
10289   if (IS_CUSTOM_ELEMENT(properties_element))
10290   {
10291     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10292     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10293     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10294
10295     DrawCustomChangeContentArea();
10296   }
10297
10298   redraw_mask |= REDRAW_FIELD;
10299 }
10300
10301 static void DrawPropertiesChange(void)
10302 {
10303   int i;
10304
10305   // needed to initially set selectbox options for special action options
10306   setSelectboxSpecialActionOptions();
10307
10308   // draw stickybutton gadget
10309   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10310
10311   // draw checkbutton gadgets
10312   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10313        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10314     MapCheckbuttonGadget(i);
10315
10316   // draw counter gadgets
10317   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10318        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10319     MapCounterButtons(i);
10320
10321   // draw selectbox gadgets
10322   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10323        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10324     MapSelectboxGadget(i);
10325
10326   // draw textbutton gadgets
10327   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10328        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10329     MapTextbuttonGadget(i);
10330
10331   // draw graphicbutton gadgets
10332   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10333        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10334     MapGraphicbuttonGadget(i);
10335
10336   // draw drawing area gadgets
10337   DrawPropertiesChangeDrawingAreas();
10338 }
10339
10340 static void DrawEditorElementAnimation(int x, int y)
10341 {
10342   int graphic = el2img(properties_element);
10343   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10344                custom_element.ce_value_fixed_initial :
10345                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10346                custom_element.collect_score_initial : FrameCounter);
10347
10348   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10349 }
10350
10351 static void DrawEditorElementName(int x, int y, int font_nr)
10352 {
10353   char *element_name = getElementInfoText(properties_element);
10354   int font_width = getFontWidth(font_nr);
10355   int font_height = getFontHeight(font_nr);
10356   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10357   int max_chars_per_line = max_text_width / font_width;
10358   char buffer[max_chars_per_line + 1];
10359
10360   if (strlen(element_name) <= max_chars_per_line)
10361     DrawTextS(x, y, font_nr, element_name);
10362   else
10363   {
10364     int next_pos = max_chars_per_line;
10365
10366     strncpy(buffer, element_name, max_chars_per_line);
10367     buffer[max_chars_per_line] = '\0';
10368
10369     if (element_name[max_chars_per_line] == ' ')
10370       next_pos++;
10371     else
10372     {
10373       int i;
10374
10375       for (i = max_chars_per_line - 1; i >= 0; i--)
10376         if (buffer[i] == ' ')
10377           break;
10378
10379       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10380       {
10381         buffer[i] = '\0';
10382         next_pos = i + 1;
10383       }
10384     }
10385
10386     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10387
10388     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10389     buffer[max_chars_per_line] = '\0';
10390
10391     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10392   }
10393 }
10394
10395 static void DrawPropertiesWindow(void)
10396 {
10397   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10398   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10399   int border_size = gd->border_size;
10400   int font_nr = FONT_TEXT_1;
10401   int font_height = getFontHeight(font_nr);
10402   int xoffset = TILEX + element_border + 3 * border_size;
10403   int yoffset = (TILEY - font_height) / 2;
10404   int x1 = editor.settings.element_graphic.x + element_border;
10405   int y1 = editor.settings.element_graphic.y + element_border;
10406   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10407             editor.settings.element_name.x);
10408   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10409             editor.settings.element_name.y);
10410   char *text = "Element Settings";
10411   int font2_nr = FONT_TITLE_1;
10412   struct MenuPosInfo *pos = &editor.settings.headline;
10413   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10414   int sy = SY + pos->y;
10415
10416   stick_element_properties_window = FALSE;
10417
10418   // make sure that previous properties edit mode exists for this element
10419   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10420       !IS_CUSTOM_ELEMENT(properties_element))
10421     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10422
10423   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10424       !IS_PLAYER_ELEMENT(properties_element) &&
10425       !IS_CUSTOM_ELEMENT(properties_element))
10426     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10427
10428   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10429       (IS_PLAYER_ELEMENT(properties_element) ||
10430        IS_CUSTOM_ELEMENT(properties_element)))
10431     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10432
10433   CopyElementPropertiesToEditor(properties_element);
10434
10435   UnmapLevelEditorFieldGadgets();
10436   UnmapLevelEditorToolboxDrawingGadgets();
10437   UnmapLevelEditorToolboxCustomGadgets();
10438
10439   if (IS_CUSTOM_ELEMENT(properties_element) ||
10440       IS_GROUP_ELEMENT(properties_element))
10441     MapLevelEditorToolboxCustomGadgets();
10442
10443   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10444   ClearField();
10445
10446   DrawText(sx, sy, text, font2_nr);
10447
10448   FrameCounter = 0;     // restart animation frame counter
10449
10450   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10451   DrawEditorElementAnimation(SX + x1, SY + y1);
10452   DrawEditorElementName(x2, y2, font_nr);
10453
10454   DrawPropertiesTabulatorGadgets();
10455
10456   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10457     DrawPropertiesInfo();
10458   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10459     DrawPropertiesChange();
10460   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10461     DrawPropertiesConfig();
10462 }
10463
10464 static void DrawPaletteWindow(void)
10465 {
10466   int i;
10467
10468   UnmapLevelEditorFieldGadgets();
10469
10470   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10471   ClearField();
10472
10473   // map buttons to select elements
10474   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10475     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10476   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10477   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10478   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10479 }
10480
10481 static void UpdateCustomElementGraphicGadgets(void)
10482 {
10483   int i;
10484
10485   InitElementPropertiesGfxElement();
10486
10487   ModifyEditorElementList();
10488   RedrawDrawingElements();
10489
10490   // force redraw of all mapped drawing area gadgets
10491   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10492   {
10493     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10494
10495     if (gi->mapped)
10496       MapDrawingArea(i);
10497   }
10498 }
10499
10500 static int getOpenDirectionFromTube(int element)
10501 {
10502   switch (element)
10503   {
10504     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10505     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10506     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10507     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10508     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10509     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10510     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10511     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10512     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10513     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10514     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10515   }
10516
10517   return MV_NONE;
10518 }
10519
10520 static int getTubeFromOpenDirection(int direction)
10521 {
10522   switch (direction)
10523   {
10524     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10525     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10526     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10527     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10528     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10529     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10530     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10531     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10532     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10533     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10534     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10535
10536     // if only one direction, fall back to simple tube with that direction
10537     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10538     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10539     case (MV_UP):                       return EL_TUBE_VERTICAL;
10540     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10541   }
10542
10543   return EL_EMPTY;
10544 }
10545
10546 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10547 {
10548   int element_new = getTubeFromOpenDirection(direction);
10549
10550   return (element_new != EL_EMPTY ? element_new : element_old);
10551 }
10552
10553 static int getOpenDirectionFromBelt(int element)
10554 {
10555   int belt_dir = getBeltDirFromBeltElement(element);
10556
10557   return (belt_dir == MV_LEFT ? MV_RIGHT :
10558           belt_dir == MV_RIGHT ? MV_LEFT :
10559           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10560 }
10561
10562 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10563 {
10564   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10565                   direction == MV_RIGHT ? MV_LEFT :
10566                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10567
10568   if (direction == MV_NONE)
10569     return EL_EMPTY;
10570
10571   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10572 }
10573
10574 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10575                                                  int element_old)
10576 {
10577   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10578
10579   return (element_new != EL_EMPTY ? element_new : element_old);
10580 }
10581
10582 static int getOpenDirectionFromPool(int element)
10583 {
10584   switch (element)
10585   {
10586     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10587     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10588     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10589     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10590     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10591     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10592   }
10593
10594   return MV_NONE;
10595 }
10596
10597 static int getPoolFromOpenDirection(int direction)
10598 {
10599   switch (direction)
10600   {
10601     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10602     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10603     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10604     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10605     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10606     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10607   }
10608
10609   return EL_EMPTY;
10610 }
10611
10612 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10613 {
10614   int element = getPoolFromOpenDirection(direction);
10615   int help_direction = getOpenDirectionFromPool(help_element);
10616
10617   if (element == EL_EMPTY)
10618   {
10619     int help_direction_vertical = help_direction & MV_VERTICAL;
10620
10621     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10622   }
10623
10624   if (element == EL_EMPTY)
10625   {
10626     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10627
10628     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10629   }
10630
10631   return element;
10632 }
10633
10634 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10635 {
10636   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10637
10638   return (element_new != EL_EMPTY ? element_new : element_old);
10639 }
10640
10641 static int getOpenDirectionFromPillar(int element)
10642 {
10643   switch (element)
10644   {
10645     case EL_EMC_WALL_1:                 return (MV_DOWN);
10646     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10647     case EL_EMC_WALL_3:                 return (MV_UP);
10648   }
10649
10650   return MV_NONE;
10651 }
10652
10653 static int getPillarFromOpenDirection(int direction)
10654 {
10655   switch (direction)
10656   {
10657     case (MV_DOWN):                     return EL_EMC_WALL_1;
10658     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10659     case (MV_UP):                       return EL_EMC_WALL_3;
10660   }
10661
10662   return EL_EMPTY;
10663 }
10664
10665 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10666 {
10667   int element_new = getPillarFromOpenDirection(direction);
10668
10669   return (element_new != EL_EMPTY ? element_new : element_old);
10670 }
10671
10672 static int getOpenDirectionFromSteel2(int element)
10673 {
10674   switch (element)
10675   {
10676     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10677     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10678     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10679     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10680     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10681     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10682     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10683     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10684   }
10685
10686   return MV_NONE;
10687 }
10688
10689 static int getSteel2FromOpenDirection(int direction)
10690 {
10691   switch (direction)
10692   {
10693     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10694     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10695     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10696     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10697     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10698     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10699     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10700     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10701   }
10702
10703   return EL_EMPTY;
10704 }
10705
10706 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10707 {
10708   int element_new = getSteel2FromOpenDirection(direction);
10709
10710   return (element_new != EL_EMPTY ? element_new : element_old);
10711 }
10712
10713 static int getOpenDirectionFromChip(int element)
10714 {
10715   switch (element)
10716   {
10717     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10718     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10719     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10720     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10721     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10722   }
10723
10724   return MV_NONE;
10725 }
10726
10727 static int getChipFromOpenDirection(int direction)
10728 {
10729   switch (direction)
10730   {
10731     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10732     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10733     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10734     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10735     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10736   }
10737
10738   return EL_EMPTY;
10739 }
10740
10741 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10742 {
10743   int element_new = getChipFromOpenDirection(direction);
10744
10745   return (element_new != EL_EMPTY ? element_new : element_old);
10746 }
10747
10748 static int getClosedTube(int x, int y)
10749 {
10750   static int xy[4][2] =
10751   {
10752     { -1, 0 },
10753     { +1, 0 },
10754     { 0, -1 },
10755     { 0, +1 }
10756   };
10757   int element_old = IntelliDrawBuffer[x][y];
10758   int direction_old = getOpenDirectionFromTube(element_old);
10759   int direction_new = MV_NONE;
10760   int i;
10761
10762   for (i = 0; i < NUM_DIRECTIONS; i++)
10763   {
10764     int xx = x + xy[i][0];
10765     int yy = y + xy[i][1];
10766     int dir = MV_DIR_FROM_BIT(i);
10767     int dir_opposite = MV_DIR_OPPOSITE(dir);
10768
10769     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10770         (direction_old & dir) &&
10771         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10772       direction_new |= dir;
10773   }
10774
10775   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10776 }
10777
10778 static int getClosedBelt(int x, int y)
10779 {
10780   static int xy[4][2] =
10781   {
10782     { -1, 0 },
10783     { +1, 0 },
10784     { 0, -1 },
10785     { 0, +1 }
10786   };
10787   int element_old = IntelliDrawBuffer[x][y];
10788   int nr = getBeltNrFromBeltElement(element_old);
10789   int direction_old = getOpenDirectionFromBelt(element_old);
10790   int direction_new = MV_NONE;
10791   int i;
10792
10793   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10794   {
10795     int xx = x + xy[i][0];
10796     int yy = y + xy[i][1];
10797     int dir = MV_DIR_FROM_BIT(i);
10798     int dir_opposite = MV_DIR_OPPOSITE(dir);
10799
10800     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10801         (direction_old & dir) &&
10802         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10803       direction_new |= dir;
10804   }
10805
10806   return getBeltFromNrAndOpenDirection(nr, direction_new);
10807 }
10808
10809 static int getClosedPool(int x, int y)
10810 {
10811   static int xy[4][2] =
10812   {
10813     { -1, 0 },
10814     { +1, 0 },
10815     { 0, -1 },
10816     { 0, +1 }
10817   };
10818   int element_old = IntelliDrawBuffer[x][y];
10819   int direction_old = getOpenDirectionFromPool(element_old);
10820   int direction_new = MV_NONE;
10821   int i;
10822
10823   for (i = 0; i < NUM_DIRECTIONS; i++)
10824   {
10825     int xx = x + xy[i][0];
10826     int yy = y + xy[i][1];
10827     int dir = MV_DIR_FROM_BIT(i);
10828     int dir_opposite = MV_DIR_OPPOSITE(dir);
10829
10830     if (IN_LEV_FIELD(xx, yy) &&
10831         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10832         (direction_old & dir) &&
10833         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10834       direction_new |= dir;
10835   }
10836
10837   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10838 }
10839
10840 static int getClosedPillar(int x, int y)
10841 {
10842   static int xy[4][2] =
10843   {
10844     { -1, 0 },
10845     { +1, 0 },
10846     { 0, -1 },
10847     { 0, +1 }
10848   };
10849   int element_old = IntelliDrawBuffer[x][y];
10850   int direction_old = getOpenDirectionFromPillar(element_old);
10851   int direction_new = MV_NONE;
10852   int i;
10853
10854   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10855   {
10856     int xx = x + xy[i][0];
10857     int yy = y + xy[i][1];
10858     int dir = MV_DIR_FROM_BIT(i);
10859     int dir_opposite = MV_DIR_OPPOSITE(dir);
10860
10861     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10862         (direction_old & dir) &&
10863         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10864       direction_new |= dir;
10865   }
10866
10867   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10868 }
10869
10870 static int getClosedSteel2(int x, int y)
10871 {
10872   static int xy[4][2] =
10873   {
10874     { -1, 0 },
10875     { +1, 0 },
10876     { 0, -1 },
10877     { 0, +1 }
10878   };
10879   int element_old = IntelliDrawBuffer[x][y];
10880   int direction_old = getOpenDirectionFromSteel2(element_old);
10881   int direction_new = MV_NONE;
10882   int i;
10883
10884   for (i = 0; i < NUM_DIRECTIONS; i++)
10885   {
10886     int xx = x + xy[i][0];
10887     int yy = y + xy[i][1];
10888     int dir = MV_DIR_FROM_BIT(i);
10889     int dir_opposite = MV_DIR_OPPOSITE(dir);
10890
10891     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10892         (direction_old & dir) &&
10893         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10894       direction_new |= dir;
10895   }
10896
10897   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10898 }
10899
10900 static int getClosedChip(int x, int y)
10901 {
10902   static int xy[4][2] =
10903   {
10904     { -1, 0 },
10905     { +1, 0 },
10906     { 0, -1 },
10907     { 0, +1 }
10908   };
10909   int element_old = IntelliDrawBuffer[x][y];
10910   int direction_old = getOpenDirectionFromChip(element_old);
10911   int direction_new = MV_NONE;
10912   int i;
10913
10914   for (i = 0; i < NUM_DIRECTIONS; i++)
10915   {
10916     int xx = x + xy[i][0];
10917     int yy = y + xy[i][1];
10918     int dir = MV_DIR_FROM_BIT(i);
10919     int dir_opposite = MV_DIR_OPPOSITE(dir);
10920
10921     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10922         (direction_old & dir) &&
10923         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10924       direction_new |= dir;
10925   }
10926
10927   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10928 }
10929
10930 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10931                                 boolean change_level)
10932 {
10933   int sx = x - level_xpos;
10934   int sy = y - level_ypos;
10935   int old_element = Tile[x][y];
10936   int new_element = element;
10937   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10938   boolean draw_masked = FALSE;
10939
10940   if (IS_MM_WALL_EDITOR(element))
10941   {
10942     element = map_mm_wall_element_editor(element) | new_bitmask;
10943
10944     if (IS_MM_WALL(old_element))
10945       element |= MM_WALL_BITS(old_element);
10946
10947     if (!change_level)
10948       draw_masked = TRUE;
10949   }
10950   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10951   {
10952     int element_changed = old_element & ~new_bitmask;
10953
10954     if (MM_WALL_BITS(element_changed) != 0)
10955       element = element_changed;
10956   }
10957
10958   IntelliDrawBuffer[x][y] = element;
10959
10960   if (change_level)
10961     Tile[x][y] = element;
10962
10963   if (IN_ED_FIELD(sx, sy))
10964   {
10965     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10966       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10967     else if (draw_masked)
10968       DrawEditorElementThruMask(sx, sy, element);
10969     else
10970       DrawEditorElement(sx, sy, element);
10971   }
10972 }
10973
10974 static void SetElementSimple(int x, int y, int element, boolean change_level)
10975 {
10976   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10977 }
10978
10979 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10980                                            int x2, int y2, int *element2,
10981                                            int (*close_function)(int, int),
10982                                            boolean change_level)
10983 {
10984   // set neighbour elements to newly determined connections
10985   SetElementSimple(x1, y1, *element1, change_level);
10986   SetElementSimple(x2, y2, *element2, change_level);
10987
10988   // remove all open connections of neighbour elements
10989   *element1 = close_function(x1, y1);
10990   *element2 = close_function(x2, y2);
10991
10992   // set neighbour elements to new, minimized connections
10993   SetElementSimple(x1, y1, *element1, change_level);
10994   SetElementSimple(x2, y2, *element2, change_level);
10995 }
10996
10997 static void SetElementIntelliDraw(int x, int y, int new_element,
10998                                   boolean change_level, int button)
10999 {
11000   static int xy[4][2] =
11001   {
11002     { -1, 0 },
11003     { +1, 0 },
11004     { 0, -1 },
11005     { 0, +1 }
11006   };
11007   static int last_x = -1;
11008   static int last_y = -1;
11009
11010   if (new_element == EL_UNDEFINED)
11011   {
11012     last_x = -1;
11013     last_y = -1;
11014
11015     return;
11016   }
11017
11018   int old_element = IntelliDrawBuffer[x][y];
11019
11020   if (IS_TUBE(new_element))
11021   {
11022     int last_element_new = EL_UNDEFINED;
11023     int direction = MV_NONE;
11024     int i;
11025
11026     // if old element is of same kind, keep all existing directions
11027     if (IS_TUBE(old_element))
11028       direction |= getOpenDirectionFromTube(old_element);
11029
11030     for (i = 0; i < NUM_DIRECTIONS; i++)
11031     {
11032       int xx = x + xy[i][0];
11033       int yy = y + xy[i][1];
11034
11035       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11036           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11037       {
11038         int dir = MV_DIR_FROM_BIT(i);
11039         int dir_opposite = MV_DIR_OPPOSITE(dir);
11040         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11041         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11042         int last_direction_new = last_direction_old | dir_opposite;
11043
11044         last_element_new = getTubeFromOpenDirection(last_direction_new);
11045
11046         direction |= dir;
11047       }
11048     }
11049
11050     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11051
11052     if (last_element_new != EL_UNDEFINED)
11053       MergeAndCloseNeighbourElements(x, y, &new_element,
11054                                      last_x, last_y, &last_element_new,
11055                                      getClosedTube, change_level);
11056   }
11057   else if (IS_BELT(new_element))
11058   {
11059     int belt_nr = getBeltNrFromBeltElement(new_element);
11060     int last_element_new = EL_UNDEFINED;
11061     int direction = MV_NONE;
11062     int i;
11063
11064     // if old element is of same kind, keep all existing directions
11065     if (IS_BELT(old_element))
11066       direction |= getOpenDirectionFromBelt(old_element);
11067
11068     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11069     {
11070       int xx = x + xy[i][0];
11071       int yy = y + xy[i][1];
11072
11073       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11074           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11075       {
11076         int dir = MV_DIR_FROM_BIT(i);
11077         int dir_opposite = MV_DIR_OPPOSITE(dir);
11078         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11079         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11080         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11081         int last_direction_new = last_direction_old | dir_opposite;
11082
11083         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11084                                                          last_direction_new);
11085         direction |= dir;
11086       }
11087     }
11088
11089     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11090                                                         new_element);
11091     if (last_element_new != EL_UNDEFINED)
11092       MergeAndCloseNeighbourElements(x, y, &new_element,
11093                                      last_x, last_y, &last_element_new,
11094                                      getClosedBelt, change_level);
11095   }
11096   else if (IS_ACID_POOL_OR_ACID(new_element))
11097   {
11098     int last_element_new = EL_UNDEFINED;
11099     int direction = MV_NONE;
11100     int i;
11101
11102     // if old element is of same kind, keep all existing directions
11103     if (IS_ACID_POOL_OR_ACID(old_element))
11104       direction |= getOpenDirectionFromPool(old_element);
11105
11106     for (i = 0; i < NUM_DIRECTIONS; i++)
11107     {
11108       int xx = x + xy[i][0];
11109       int yy = y + xy[i][1];
11110
11111       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11112           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11113       {
11114         int dir = MV_DIR_FROM_BIT(i);
11115         int dir_opposite = MV_DIR_OPPOSITE(dir);
11116         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11117         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11118         int last_direction_new = last_direction_old | dir_opposite;
11119
11120         last_element_new = getPoolFromOpenDirection(last_direction_new);
11121
11122         direction |= dir;
11123       }
11124     }
11125
11126     // special corrections needed for intuitively correct acid pool drawing
11127     if (last_element_new == EL_EMPTY)
11128       last_element_new = new_element;
11129     else if (last_element_new != EL_UNDEFINED)
11130       new_element = last_element_new;
11131
11132     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11133
11134     if (last_element_new != EL_UNDEFINED)
11135       MergeAndCloseNeighbourElements(x, y, &new_element,
11136                                      last_x, last_y, &last_element_new,
11137                                      getClosedPool, change_level);
11138   }
11139   else if (IS_EMC_PILLAR(new_element))
11140   {
11141     int last_element_new = EL_UNDEFINED;
11142     int direction = MV_NONE;
11143     int i;
11144
11145     // if old element is of same kind, keep all existing directions
11146     if (IS_EMC_PILLAR(old_element))
11147       direction |= getOpenDirectionFromPillar(old_element);
11148
11149     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11150     {
11151       int xx = x + xy[i][0];
11152       int yy = y + xy[i][1];
11153
11154       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11155           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11156       {
11157         int dir = MV_DIR_FROM_BIT(i);
11158         int dir_opposite = MV_DIR_OPPOSITE(dir);
11159         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11160         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11161         int last_direction_new = last_direction_old | dir_opposite;
11162
11163         last_element_new = getPillarFromOpenDirection(last_direction_new);
11164
11165         direction |= dir;
11166       }
11167     }
11168
11169     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11170
11171     if (last_element_new != EL_UNDEFINED)
11172       MergeAndCloseNeighbourElements(x, y, &new_element,
11173                                      last_x, last_y, &last_element_new,
11174                                      getClosedPillar, change_level);
11175   }
11176   else if (IS_DC_STEELWALL_2(new_element))
11177   {
11178     int last_element_new = EL_UNDEFINED;
11179     int direction = MV_NONE;
11180     int i;
11181
11182     // if old element is of same kind, keep all existing directions
11183     if (IS_DC_STEELWALL_2(old_element))
11184       direction |= getOpenDirectionFromSteel2(old_element);
11185
11186     for (i = 0; i < NUM_DIRECTIONS; i++)
11187     {
11188       int xx = x + xy[i][0];
11189       int yy = y + xy[i][1];
11190
11191       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11192           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11193       {
11194         int dir = MV_DIR_FROM_BIT(i);
11195         int dir_opposite = MV_DIR_OPPOSITE(dir);
11196         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11197         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11198         int last_direction_new = last_direction_old | dir_opposite;
11199
11200         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11201
11202         direction |= dir;
11203       }
11204     }
11205
11206     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11207
11208     if (last_element_new != EL_UNDEFINED)
11209       MergeAndCloseNeighbourElements(x, y, &new_element,
11210                                      last_x, last_y, &last_element_new,
11211                                      getClosedSteel2, change_level);
11212   }
11213   else if (IS_SP_CHIP(new_element))
11214   {
11215     int last_element_new = EL_UNDEFINED;
11216     int direction = MV_NONE;
11217     int i;
11218
11219     // (do not keep existing directions, regardless of kind of old element)
11220
11221     for (i = 0; i < NUM_DIRECTIONS; i++)
11222     {
11223       int xx = x + xy[i][0];
11224       int yy = y + xy[i][1];
11225
11226       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11227           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11228       {
11229         int dir = MV_DIR_FROM_BIT(i);
11230         int dir_opposite = MV_DIR_OPPOSITE(dir);
11231         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11232         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11233         int last_direction_new = last_direction_old | dir_opposite;
11234
11235         if (last_direction_old == MV_NONE)
11236         {
11237           last_element_new = getChipFromOpenDirection(last_direction_new);
11238           direction |= dir;
11239         }
11240         else if (last_direction_old & (dir | dir_opposite))
11241         {
11242           direction |= MV_DIR_OPPOSITE(last_direction_old);
11243         }
11244         else
11245         {
11246           direction |= MV_DIR_OPPOSITE(dir);
11247         }
11248       }
11249     }
11250
11251     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11252
11253     if (last_element_new != EL_UNDEFINED)
11254       MergeAndCloseNeighbourElements(x, y, &new_element,
11255                                      last_x, last_y, &last_element_new,
11256                                      getClosedChip, change_level);
11257   }
11258   else if (IS_SP_HARDWARE_BASE(new_element))
11259   {
11260     int nr = GetSimpleRandom(6);
11261
11262     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11263                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11264                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11265                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11266                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11267   }
11268   else if (new_element == EL_SP_HARDWARE_GREEN ||
11269            new_element == EL_SP_HARDWARE_BLUE ||
11270            new_element == EL_SP_HARDWARE_RED)
11271   {
11272     int nr = GetSimpleRandom(3);
11273
11274     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11275                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11276   }
11277   else if (IS_GROUP_ELEMENT(new_element))
11278   {
11279     boolean connected_drawing = FALSE;
11280     int i;
11281
11282     for (i = 0; i < NUM_DIRECTIONS; i++)
11283     {
11284       int xx = x + xy[i][0];
11285       int yy = y + xy[i][1];
11286
11287       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11288           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11289         connected_drawing = TRUE;
11290     }
11291
11292     if (!connected_drawing)
11293       ResolveGroupElement(new_element);
11294
11295     new_element = GetElementFromGroupElement(new_element);
11296   }
11297   else if (IS_BELT_SWITCH(old_element))
11298   {
11299     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11300     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11301
11302     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11303                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11304
11305     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11306   }
11307   else
11308   {
11309     static int swappable_elements[][2] =
11310     {
11311       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11312       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11313       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11314       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11315       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11316       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11317       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11318       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11319       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11320       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11321       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11322       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11323       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11324       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11325       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11326       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11327       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11328       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11329       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11330       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11331       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11332       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11333       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11334       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11335       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11336       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11337       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11338       { EL_PEARL,                       EL_WALL_PEARL                   },
11339       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11340       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11341       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11342       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11343       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11344       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11345       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11346       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11347       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11348       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11349       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11350       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11351       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11352       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11353       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11354       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11355
11356       { -1,                             -1                              },
11357     };
11358     static int rotatable_elements_4[][4] =
11359     {
11360       {
11361         EL_BUG_UP,
11362         EL_BUG_RIGHT,
11363         EL_BUG_DOWN,
11364         EL_BUG_LEFT
11365       },
11366       {
11367         EL_SPACESHIP_UP,
11368         EL_SPACESHIP_RIGHT,
11369         EL_SPACESHIP_DOWN,
11370         EL_SPACESHIP_LEFT
11371       },
11372       {
11373         EL_BD_BUTTERFLY_UP,
11374         EL_BD_BUTTERFLY_RIGHT,
11375         EL_BD_BUTTERFLY_DOWN,
11376         EL_BD_BUTTERFLY_LEFT
11377       },
11378       {
11379         EL_BD_FIREFLY_UP,
11380         EL_BD_FIREFLY_RIGHT,
11381         EL_BD_FIREFLY_DOWN,
11382         EL_BD_FIREFLY_LEFT
11383       },
11384       {
11385         EL_PACMAN_UP,
11386         EL_PACMAN_RIGHT,
11387         EL_PACMAN_DOWN,
11388         EL_PACMAN_LEFT
11389       },
11390       {
11391         EL_YAMYAM_UP,
11392         EL_YAMYAM_RIGHT,
11393         EL_YAMYAM_DOWN,
11394         EL_YAMYAM_LEFT
11395       },
11396       {
11397         EL_ARROW_UP,
11398         EL_ARROW_RIGHT,
11399         EL_ARROW_DOWN,
11400         EL_ARROW_LEFT
11401       },
11402       {
11403         EL_SP_PORT_UP,
11404         EL_SP_PORT_RIGHT,
11405         EL_SP_PORT_DOWN,
11406         EL_SP_PORT_LEFT
11407       },
11408       {
11409         EL_SP_GRAVITY_PORT_UP,
11410         EL_SP_GRAVITY_PORT_RIGHT,
11411         EL_SP_GRAVITY_PORT_DOWN,
11412         EL_SP_GRAVITY_PORT_LEFT
11413       },
11414       {
11415         EL_SP_GRAVITY_ON_PORT_UP,
11416         EL_SP_GRAVITY_ON_PORT_RIGHT,
11417         EL_SP_GRAVITY_ON_PORT_DOWN,
11418         EL_SP_GRAVITY_ON_PORT_LEFT
11419       },
11420       {
11421         EL_SP_GRAVITY_OFF_PORT_UP,
11422         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11423         EL_SP_GRAVITY_OFF_PORT_DOWN,
11424         EL_SP_GRAVITY_OFF_PORT_LEFT
11425       },
11426       {
11427         EL_MOLE_UP,
11428         EL_MOLE_RIGHT,
11429         EL_MOLE_DOWN,
11430         EL_MOLE_LEFT
11431       },
11432       {
11433         EL_BALLOON_SWITCH_UP,
11434         EL_BALLOON_SWITCH_RIGHT,
11435         EL_BALLOON_SWITCH_DOWN,
11436         EL_BALLOON_SWITCH_LEFT
11437       },
11438       {
11439         EL_MM_MCDUFFIN_UP,
11440         EL_MM_MCDUFFIN_RIGHT,
11441         EL_MM_MCDUFFIN_DOWN,
11442         EL_MM_MCDUFFIN_LEFT
11443       },
11444       {
11445         EL_MM_MIRROR_FIXED_1,
11446         EL_MM_MIRROR_FIXED_4,
11447         EL_MM_MIRROR_FIXED_3,
11448         EL_MM_MIRROR_FIXED_2
11449       },
11450       {
11451         EL_MM_STEEL_GRID_FIXED_1,
11452         EL_MM_STEEL_GRID_FIXED_4,
11453         EL_MM_STEEL_GRID_FIXED_2,
11454         EL_MM_STEEL_GRID_FIXED_3
11455       },
11456       {
11457         EL_MM_WOODEN_GRID_FIXED_1,
11458         EL_MM_WOODEN_GRID_FIXED_4,
11459         EL_MM_WOODEN_GRID_FIXED_2,
11460         EL_MM_WOODEN_GRID_FIXED_3
11461       },
11462       {
11463         EL_MM_POLARIZER_CROSS_1,
11464         EL_MM_POLARIZER_CROSS_4,
11465         EL_MM_POLARIZER_CROSS_3,
11466         EL_MM_POLARIZER_CROSS_2
11467       },
11468       {
11469         EL_MM_PACMAN_UP,
11470         EL_MM_PACMAN_RIGHT,
11471         EL_MM_PACMAN_DOWN,
11472         EL_MM_PACMAN_LEFT
11473       },
11474       {
11475         EL_DF_LASER_UP,
11476         EL_DF_LASER_RIGHT,
11477         EL_DF_LASER_DOWN,
11478         EL_DF_LASER_LEFT
11479       },
11480       {
11481         EL_DF_RECEIVER_UP,
11482         EL_DF_RECEIVER_RIGHT,
11483         EL_DF_RECEIVER_DOWN,
11484         EL_DF_RECEIVER_LEFT
11485       },
11486
11487       {
11488         -1,
11489       },
11490     };
11491     static int rotatable_elements_8[][8] =
11492     {
11493       {
11494         EL_DF_STEEL_GRID_FIXED_1,
11495         EL_DF_STEEL_GRID_FIXED_8,
11496         EL_DF_STEEL_GRID_FIXED_7,
11497         EL_DF_STEEL_GRID_FIXED_6,
11498         EL_DF_STEEL_GRID_FIXED_5,
11499         EL_DF_STEEL_GRID_FIXED_4,
11500         EL_DF_STEEL_GRID_FIXED_3,
11501         EL_DF_STEEL_GRID_FIXED_2
11502       },
11503       {
11504         EL_DF_WOODEN_GRID_FIXED_1,
11505         EL_DF_WOODEN_GRID_FIXED_8,
11506         EL_DF_WOODEN_GRID_FIXED_7,
11507         EL_DF_WOODEN_GRID_FIXED_6,
11508         EL_DF_WOODEN_GRID_FIXED_5,
11509         EL_DF_WOODEN_GRID_FIXED_4,
11510         EL_DF_WOODEN_GRID_FIXED_3,
11511         EL_DF_WOODEN_GRID_FIXED_2
11512       },
11513       {
11514         EL_DF_STEEL_GRID_ROTATING_1,
11515         EL_DF_STEEL_GRID_ROTATING_8,
11516         EL_DF_STEEL_GRID_ROTATING_7,
11517         EL_DF_STEEL_GRID_ROTATING_6,
11518         EL_DF_STEEL_GRID_ROTATING_5,
11519         EL_DF_STEEL_GRID_ROTATING_4,
11520         EL_DF_STEEL_GRID_ROTATING_3,
11521         EL_DF_STEEL_GRID_ROTATING_2
11522       },
11523       {
11524         EL_DF_WOODEN_GRID_ROTATING_1,
11525         EL_DF_WOODEN_GRID_ROTATING_8,
11526         EL_DF_WOODEN_GRID_ROTATING_7,
11527         EL_DF_WOODEN_GRID_ROTATING_6,
11528         EL_DF_WOODEN_GRID_ROTATING_5,
11529         EL_DF_WOODEN_GRID_ROTATING_4,
11530         EL_DF_WOODEN_GRID_ROTATING_3,
11531         EL_DF_WOODEN_GRID_ROTATING_2
11532       },
11533
11534       {
11535         -1,
11536       },
11537     };
11538     static int rotatable_elements_16[][16] =
11539     {
11540       {
11541         EL_MM_MIRROR_1,
11542         EL_MM_MIRROR_16,
11543         EL_MM_MIRROR_15,
11544         EL_MM_MIRROR_14,
11545         EL_MM_MIRROR_13,
11546         EL_MM_MIRROR_12,
11547         EL_MM_MIRROR_11,
11548         EL_MM_MIRROR_10,
11549         EL_MM_MIRROR_9,
11550         EL_MM_MIRROR_8,
11551         EL_MM_MIRROR_7,
11552         EL_MM_MIRROR_6,
11553         EL_MM_MIRROR_5,
11554         EL_MM_MIRROR_4,
11555         EL_MM_MIRROR_3,
11556         EL_MM_MIRROR_2
11557       },
11558       {
11559         EL_MM_TELEPORTER_5,
11560         EL_MM_TELEPORTER_4,
11561         EL_MM_TELEPORTER_3,
11562         EL_MM_TELEPORTER_2,
11563         EL_MM_TELEPORTER_1,
11564         EL_MM_TELEPORTER_16,
11565         EL_MM_TELEPORTER_15,
11566         EL_MM_TELEPORTER_14,
11567         EL_MM_TELEPORTER_13,
11568         EL_MM_TELEPORTER_12,
11569         EL_MM_TELEPORTER_11,
11570         EL_MM_TELEPORTER_10,
11571         EL_MM_TELEPORTER_9,
11572         EL_MM_TELEPORTER_8,
11573         EL_MM_TELEPORTER_7,
11574         EL_MM_TELEPORTER_6
11575       },
11576       {
11577         EL_MM_TELEPORTER_RED_5,
11578         EL_MM_TELEPORTER_RED_4,
11579         EL_MM_TELEPORTER_RED_3,
11580         EL_MM_TELEPORTER_RED_2,
11581         EL_MM_TELEPORTER_RED_1,
11582         EL_MM_TELEPORTER_RED_16,
11583         EL_MM_TELEPORTER_RED_15,
11584         EL_MM_TELEPORTER_RED_14,
11585         EL_MM_TELEPORTER_RED_13,
11586         EL_MM_TELEPORTER_RED_12,
11587         EL_MM_TELEPORTER_RED_11,
11588         EL_MM_TELEPORTER_RED_10,
11589         EL_MM_TELEPORTER_RED_9,
11590         EL_MM_TELEPORTER_RED_8,
11591         EL_MM_TELEPORTER_RED_7,
11592         EL_MM_TELEPORTER_RED_6
11593       },
11594       {
11595         EL_MM_TELEPORTER_YELLOW_5,
11596         EL_MM_TELEPORTER_YELLOW_4,
11597         EL_MM_TELEPORTER_YELLOW_3,
11598         EL_MM_TELEPORTER_YELLOW_2,
11599         EL_MM_TELEPORTER_YELLOW_1,
11600         EL_MM_TELEPORTER_YELLOW_16,
11601         EL_MM_TELEPORTER_YELLOW_15,
11602         EL_MM_TELEPORTER_YELLOW_14,
11603         EL_MM_TELEPORTER_YELLOW_13,
11604         EL_MM_TELEPORTER_YELLOW_12,
11605         EL_MM_TELEPORTER_YELLOW_11,
11606         EL_MM_TELEPORTER_YELLOW_10,
11607         EL_MM_TELEPORTER_YELLOW_9,
11608         EL_MM_TELEPORTER_YELLOW_8,
11609         EL_MM_TELEPORTER_YELLOW_7,
11610         EL_MM_TELEPORTER_YELLOW_6
11611       },
11612       {
11613         EL_MM_TELEPORTER_GREEN_5,
11614         EL_MM_TELEPORTER_GREEN_4,
11615         EL_MM_TELEPORTER_GREEN_3,
11616         EL_MM_TELEPORTER_GREEN_2,
11617         EL_MM_TELEPORTER_GREEN_1,
11618         EL_MM_TELEPORTER_GREEN_16,
11619         EL_MM_TELEPORTER_GREEN_15,
11620         EL_MM_TELEPORTER_GREEN_14,
11621         EL_MM_TELEPORTER_GREEN_13,
11622         EL_MM_TELEPORTER_GREEN_12,
11623         EL_MM_TELEPORTER_GREEN_11,
11624         EL_MM_TELEPORTER_GREEN_10,
11625         EL_MM_TELEPORTER_GREEN_9,
11626         EL_MM_TELEPORTER_GREEN_8,
11627         EL_MM_TELEPORTER_GREEN_7,
11628         EL_MM_TELEPORTER_GREEN_6
11629       },
11630       {
11631         EL_MM_TELEPORTER_BLUE_5,
11632         EL_MM_TELEPORTER_BLUE_4,
11633         EL_MM_TELEPORTER_BLUE_3,
11634         EL_MM_TELEPORTER_BLUE_2,
11635         EL_MM_TELEPORTER_BLUE_1,
11636         EL_MM_TELEPORTER_BLUE_16,
11637         EL_MM_TELEPORTER_BLUE_15,
11638         EL_MM_TELEPORTER_BLUE_14,
11639         EL_MM_TELEPORTER_BLUE_13,
11640         EL_MM_TELEPORTER_BLUE_12,
11641         EL_MM_TELEPORTER_BLUE_11,
11642         EL_MM_TELEPORTER_BLUE_10,
11643         EL_MM_TELEPORTER_BLUE_9,
11644         EL_MM_TELEPORTER_BLUE_8,
11645         EL_MM_TELEPORTER_BLUE_7,
11646         EL_MM_TELEPORTER_BLUE_6
11647       },
11648       {
11649         EL_MM_POLARIZER_1,
11650         EL_MM_POLARIZER_16,
11651         EL_MM_POLARIZER_15,
11652         EL_MM_POLARIZER_14,
11653         EL_MM_POLARIZER_13,
11654         EL_MM_POLARIZER_12,
11655         EL_MM_POLARIZER_11,
11656         EL_MM_POLARIZER_10,
11657         EL_MM_POLARIZER_9,
11658         EL_MM_POLARIZER_8,
11659         EL_MM_POLARIZER_7,
11660         EL_MM_POLARIZER_6,
11661         EL_MM_POLARIZER_5,
11662         EL_MM_POLARIZER_4,
11663         EL_MM_POLARIZER_3,
11664         EL_MM_POLARIZER_2
11665       },
11666       {
11667         EL_DF_MIRROR_1,
11668         EL_DF_MIRROR_16,
11669         EL_DF_MIRROR_15,
11670         EL_DF_MIRROR_14,
11671         EL_DF_MIRROR_13,
11672         EL_DF_MIRROR_12,
11673         EL_DF_MIRROR_11,
11674         EL_DF_MIRROR_10,
11675         EL_DF_MIRROR_9,
11676         EL_DF_MIRROR_8,
11677         EL_DF_MIRROR_7,
11678         EL_DF_MIRROR_6,
11679         EL_DF_MIRROR_5,
11680         EL_DF_MIRROR_4,
11681         EL_DF_MIRROR_3,
11682         EL_DF_MIRROR_2
11683       },
11684       {
11685         EL_DF_MIRROR_ROTATING_1,
11686         EL_DF_MIRROR_ROTATING_16,
11687         EL_DF_MIRROR_ROTATING_15,
11688         EL_DF_MIRROR_ROTATING_14,
11689         EL_DF_MIRROR_ROTATING_13,
11690         EL_DF_MIRROR_ROTATING_12,
11691         EL_DF_MIRROR_ROTATING_11,
11692         EL_DF_MIRROR_ROTATING_10,
11693         EL_DF_MIRROR_ROTATING_9,
11694         EL_DF_MIRROR_ROTATING_8,
11695         EL_DF_MIRROR_ROTATING_7,
11696         EL_DF_MIRROR_ROTATING_6,
11697         EL_DF_MIRROR_ROTATING_5,
11698         EL_DF_MIRROR_ROTATING_4,
11699         EL_DF_MIRROR_ROTATING_3,
11700         EL_DF_MIRROR_ROTATING_2
11701       },
11702
11703       {
11704         -1,
11705       },
11706     };
11707     int i, j;
11708
11709     for (i = 0; swappable_elements[i][0] != -1; i++)
11710     {
11711       int element1 = swappable_elements[i][0];
11712       int element2 = swappable_elements[i][1];
11713
11714       if (old_element == element1 || old_element == element2)
11715         new_element = (old_element == element1 ? element2 : element1);
11716     }
11717
11718     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11719     {
11720       for (j = 0; j < 4; j++)
11721       {
11722         int element = rotatable_elements_4[i][j];
11723
11724         if (old_element == element)
11725           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11726                          button == 2 ? rotatable_elements_4[i][0]           :
11727                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11728                          old_element);
11729       }
11730     }
11731
11732     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11733     {
11734       for (j = 0; j < 8; j++)
11735       {
11736         int element = rotatable_elements_8[i][j];
11737
11738         if (old_element == element)
11739           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11740                          button == 2 ? rotatable_elements_8[i][0]           :
11741                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11742                          old_element);
11743       }
11744     }
11745
11746     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11747     {
11748       for (j = 0; j < 16; j++)
11749       {
11750         int element = rotatable_elements_16[i][j];
11751
11752         if (old_element == element)
11753           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11754                          button == 2 ? rotatable_elements_16[i][0]             :
11755                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11756                          old_element);
11757       }
11758     }
11759
11760     if (old_element != new_element)
11761     {
11762       int max_infotext_len = getMaxInfoTextLength();
11763       char infotext[MAX_OUTPUT_LINESIZE + 1];
11764
11765       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11766       infotext[max_infotext_len] = '\0';
11767
11768       ClearEditorGadgetInfoText();
11769
11770       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11771                 infotext);
11772     }
11773   }
11774
11775   SetElementSimple(x, y, new_element, change_level);
11776
11777   last_x = x;
11778   last_y = y;
11779 }
11780
11781 static void ResetIntelliDraw(void)
11782 {
11783   int x, y;
11784
11785   for (x = 0; x < lev_fieldx; x++)
11786     for (y = 0; y < lev_fieldy; y++)
11787       IntelliDrawBuffer[x][y] = Tile[x][y];
11788
11789   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11790 }
11791
11792 static boolean draw_mode_hires = FALSE;
11793
11794 static boolean isHiresTileElement(int element)
11795 {
11796   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11797 }
11798
11799 static boolean isHiresDrawElement(int element)
11800 {
11801   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11802 }
11803
11804 static void SetDrawModeHiRes(int element)
11805 {
11806   draw_mode_hires =
11807     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11808      isHiresDrawElement(element));
11809 }
11810
11811 static boolean getDrawModeHiRes(void)
11812 {
11813   return draw_mode_hires;
11814 }
11815
11816 static int getLoResScreenPos(int pos)
11817 {
11818   return (getDrawModeHiRes() ? pos / 2 : pos);
11819 }
11820
11821 static int getLoResScreenMod(int pos)
11822 {
11823   return (getDrawModeHiRes() ? pos % 2 : 0);
11824 }
11825
11826 static void SetElementExt(int x, int y, int dx, int dy, int element,
11827                           boolean change_level, int button)
11828 {
11829   if (element < 0)
11830     SetElementSimple(x, y, Tile[x][y], change_level);
11831   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11832     SetElementIntelliDraw(x, y, element, change_level, button);
11833   else
11834     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11835 }
11836
11837 static void SetElement(int x, int y, int element)
11838 {
11839   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11840 }
11841
11842 static void SetElementButton(int x, int y, int dx, int dy, int element,
11843                              int button)
11844 {
11845   SetElementExt(x, y, dx, dy, element, TRUE, button);
11846 }
11847
11848 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11849 {
11850   int lx = getLoResScreenPos(sx2) + level_xpos;
11851   int ly = getLoResScreenPos(sy2) + level_ypos;
11852   int dx = getLoResScreenMod(sx2);
11853   int dy = getLoResScreenMod(sy2);
11854
11855   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11856 }
11857
11858 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11859 {
11860   int lx = lx2 / 2;
11861   int ly = ly2 / 2;
11862   int dx = lx2 % 2;
11863   int dy = ly2 % 2;
11864
11865   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11866 }
11867
11868 static int getLevelElementHiRes(int lx2, int ly2)
11869 {
11870   int lx = lx2 / 2;
11871   int ly = ly2 / 2;
11872   int dx = lx2 % 2;
11873   int dy = ly2 % 2;
11874   int element = Tile[lx][ly];
11875   unsigned int bitmask = (dx + 1) << (dy * 2);
11876
11877   if (IS_MM_WALL(element))
11878   {
11879     if (element & bitmask)
11880       return map_mm_wall_element(element);
11881     else
11882       return EL_EMPTY;
11883   }
11884
11885   return element;
11886 }
11887
11888 static void DrawLineElement(int x, int y, int element, boolean change_level)
11889 {
11890   SetElementHiRes(x, y, element, change_level);
11891 }
11892
11893 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11894                      int element, boolean change_level)
11895 {
11896   int xsize = ABS(to_x - from_x);
11897   int ysize = ABS(to_y - from_y);
11898   int dx = (to_x < from_x ? -1 : +1);
11899   int dy = (to_y < from_y ? -1 : +1);
11900   int i;
11901
11902   if (from_y == to_y)                   // horizontal line
11903   {
11904     for (i = 0; i <= xsize; i++)
11905       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11906   }
11907   else if (from_x == to_x)              // vertical line
11908   {
11909     for (i = 0; i <= ysize; i++)
11910       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11911   }
11912   else                                  // diagonal line
11913   {
11914     if (ysize < xsize)                  // a < 1
11915     {
11916       float a = (float)ysize / (float)xsize;
11917
11918       for (i = 0; i <= xsize; i++)
11919       {
11920         int x = dx * i;
11921         int y = dy * (int)(a * i + 0.5);
11922
11923         DrawLineElement(from_x + x, from_y + y, element, change_level);
11924       }
11925     }
11926     else                                // a >= 1
11927     {
11928       float a = (float)xsize / (float)ysize;
11929
11930       for (i = 0; i <= ysize; i++)
11931       {
11932         int x = dx * (int)(a * i + 0.5);
11933         int y = dy * i;
11934
11935         DrawLineElement(from_x + x, from_y + y, element, change_level);
11936       }
11937     }
11938   }
11939 }
11940
11941 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11942                     int element, boolean change_level)
11943 {
11944   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11945   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11946   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11947   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11948 }
11949
11950 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11951                           int element, boolean change_level)
11952 {
11953   int y;
11954
11955   if (from_y > to_y)
11956     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11957
11958   for (y = from_y; y <= to_y; y++)
11959     DrawLine(from_x, y, to_x, y, element, change_level);
11960 }
11961
11962 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11963                        int element, boolean change_level)
11964 {
11965   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11966   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11967   int len_x = ABS(to_x - from_x);
11968   int len_y = ABS(to_y - from_y);
11969   int radius, x, y;
11970
11971   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11972
11973   // not optimal (some points get drawn twice) but simple,
11974   // and fast enough for the few points we are drawing
11975
11976   for (x = 0; x <= radius; x++)
11977   {
11978     int sx, sy, sx2, sy2, lx, ly;
11979
11980     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11981
11982     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11983     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11984     sx = getLoResScreenPos(sx2);
11985     sy = getLoResScreenPos(sy2);
11986     lx = sx + level_xpos;
11987     ly = sy + level_ypos;
11988
11989     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11990       DrawLineElement(sx2, sy2, element, change_level);
11991   }
11992
11993   for (y = 0; y <= radius; y++)
11994   {
11995     int sx, sy, sx2, sy2, lx, ly;
11996
11997     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11998
11999     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12000     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12001     sx = getLoResScreenPos(sx2);
12002     sy = getLoResScreenPos(sy2);
12003     lx = sx + level_xpos;
12004     ly = sy + level_ypos;
12005
12006     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12007       DrawLineElement(sx2, sy2, element, change_level);
12008   }
12009 }
12010
12011 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12012                     int element, boolean change_level)
12013 {
12014   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12015   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12016
12017   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12018 }
12019
12020 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12021
12022 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12023 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12024                        int element, boolean change_level)
12025 {
12026   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12027   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12028   int mirror_to_x2 = from_x - (to_x2 - from_x);
12029   int mirror_to_y2 = from_y - (to_y2 - from_y);
12030
12031   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12032   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12033   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12034   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
12035 }
12036 #endif
12037
12038 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12039 {
12040   int from_sx, from_sy;
12041   int to_sx, to_sy;
12042
12043   if (from_x > to_x)
12044     swap_numbers(&from_x, &to_x);
12045
12046   if (from_y > to_y)
12047     swap_numbers(&from_y, &to_y);
12048
12049   from_sx = SX + from_x * ed_tilesize;
12050   from_sy = SY + from_y * ed_tilesize;
12051   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12052   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12053
12054   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12055   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12056   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12057   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12058
12059   if (from_x == to_x && from_y == to_y)
12060     MarkTileDirty(from_x/2, from_y/2);
12061   else
12062     redraw_mask |= REDRAW_FIELD;
12063 }
12064
12065 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12066                         int element, boolean change_level)
12067 {
12068   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12069 }
12070
12071 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12072                        int element, boolean change_level)
12073 {
12074   if (element == -1 || change_level)
12075     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12076   else
12077     DrawAreaBorder(from_x, from_y, to_x, to_y);
12078 }
12079
12080 // values for CopyBrushExt()
12081 #define CB_AREA_TO_BRUSH                0
12082 #define CB_BRUSH_TO_CURSOR              1
12083 #define CB_BRUSH_TO_LEVEL               2
12084 #define CB_DELETE_OLD_CURSOR            3
12085 #define CB_DUMP_BRUSH                   4
12086 #define CB_DUMP_BRUSH_SMALL             5
12087 #define CB_CLIPBOARD_TO_BRUSH           6
12088 #define CB_BRUSH_TO_CLIPBOARD           7
12089 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12090 #define CB_UPDATE_BRUSH_POSITION        9
12091
12092 #define MAX_CB_PART_SIZE        10
12093 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12094 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12095 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12096                                  MAX_CB_NUM_LINES *     \
12097                                  MAX_CB_PART_SIZE)
12098
12099 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12100 {
12101   DrawLineElement(sx, sy, element, change_level);
12102 }
12103
12104 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12105                          int button, int mode)
12106 {
12107   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12108   static int brush_width, brush_height;
12109   static int last_cursor_x = -1, last_cursor_y = -1;
12110   static boolean delete_old_brush = FALSE;
12111   int new_element = BUTTON_ELEMENT(button);
12112   int x, y;
12113
12114   if (mode == CB_DUMP_BRUSH ||
12115       mode == CB_DUMP_BRUSH_SMALL ||
12116       mode == CB_BRUSH_TO_CLIPBOARD ||
12117       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12118   {
12119     if (edit_mode != ED_MODE_DRAWING)
12120       return;
12121
12122     char part[MAX_CB_PART_SIZE + 1] = "";
12123     char text[MAX_CB_TEXT_SIZE + 1] = "";
12124     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12125     int height = (draw_with_brush ? brush_height : lev_fieldy);
12126     char *format = "%s%03d";
12127
12128     for (y = 0; y < height; y++)
12129       for (x = 0; x < width; x++)
12130         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12131           format = "%s%04d";
12132
12133     for (y = 0; y < height; y++)
12134     {
12135       for (x = 0; x < width; x++)
12136       {
12137         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12138         char *prefix = (mode == CB_DUMP_BRUSH ||
12139                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12140
12141         if (element >= NUM_FILE_ELEMENTS)
12142           element = EL_UNKNOWN;
12143
12144         // copy brush to level sketch text buffer for the R'n'D forum:
12145         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12146         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12147         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12148         strcat(text, part);
12149       }
12150
12151       strcat(text, "\n");
12152     }
12153
12154     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12155         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12156       SDL_SetClipboardText(text);
12157     else
12158       Print("%s", text);        // print brush data to console and log file
12159
12160     return;
12161   }
12162
12163   if (mode == CB_CLIPBOARD_TO_BRUSH)
12164   {
12165     if (edit_mode != ED_MODE_DRAWING)
12166       return;
12167
12168     if (!SDL_HasClipboardText())
12169     {
12170       Request("Clipboard is empty!", REQ_CONFIRM);
12171
12172       return;
12173     }
12174
12175     boolean copy_to_brush = (draw_with_brush ||
12176                              drawing_function == GADGET_ID_GRAB_BRUSH);
12177
12178     // this will delete the old brush, if already drawing with a brush
12179     if (copy_to_brush)
12180       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12181
12182     // initialization is required for "odd" (incomplete) clipboard content
12183     for (x = 0; x < MAX_LEV_FIELDX; x++)
12184       for (y = 0; y < MAX_LEV_FIELDY; y++)
12185         brush_buffer[x][y] = EL_EMPTY;
12186
12187     brush_width  = 0;
12188     brush_height = 0;
12189     x = 0;
12190     y = 0;
12191
12192     char *clipboard_text = SDL_GetClipboardText();
12193     char *ptr = clipboard_text;
12194     boolean allow_new_row = FALSE;
12195     boolean stop = FALSE;
12196
12197     while (*ptr && !stop)
12198     {
12199       boolean prefix_found = FALSE;
12200       boolean start_new_row = FALSE;
12201
12202       // level sketch element number prefixes (may be multi-byte characters)
12203       char *prefix_list[] = { "`", "¸" };
12204       int i;
12205
12206       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12207       {
12208         char *prefix = prefix_list[i];
12209
12210         // check if string is large enough for prefix
12211         if (strlen(ptr) < strlen(prefix))
12212         {
12213           stop = TRUE;
12214
12215           break;
12216         }
12217
12218         // check if string starts with prefix
12219         if (strPrefix(ptr, prefix))
12220         {
12221           ptr += strlen(prefix);
12222
12223           prefix_found = TRUE;
12224
12225           break;
12226         }
12227       }
12228
12229       // check if prefix found and followed by (at least) three digits
12230       if (prefix_found &&
12231           strlen(ptr) >= 3 &&
12232           ptr[0] >= '0' && ptr[0] <= '9' &&
12233           ptr[1] >= '0' && ptr[1] <= '9' &&
12234           ptr[2] >= '0' && ptr[2] <= '9')
12235       {
12236         int element = ((ptr[0] - '0') * 100 +
12237                        (ptr[1] - '0') * 10 +
12238                        (ptr[2] - '0'));
12239
12240         ptr += 3;
12241
12242         // level sketch element number might consist of four digits
12243         if (ptr[0] >= '0' && ptr[0] <= '9')
12244         {
12245           element = element * 10 + (ptr[0] - '0');
12246           ptr++;
12247         }
12248
12249         // remap some (historic, now obsolete) elements
12250         element = getMappedElement(element);
12251
12252         if (element >= NUM_FILE_ELEMENTS)
12253           element = EL_UNKNOWN;
12254
12255         brush_buffer[x][y] = element;
12256
12257         brush_width  = MAX(x + 1, brush_width);
12258         brush_height = MAX(y + 1, brush_height);
12259
12260         x++;
12261
12262         if (x >= MAX_LEV_FIELDX)
12263           start_new_row = TRUE;
12264
12265         allow_new_row = TRUE;
12266       }
12267       else
12268       {
12269         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12270           start_new_row = TRUE;
12271
12272         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12273       }
12274
12275       if (start_new_row)
12276       {
12277         x = 0;
12278         y++;
12279
12280         if (y >= MAX_LEV_FIELDY)
12281           stop = TRUE;
12282
12283         allow_new_row = FALSE;
12284       }
12285     }
12286
12287     SDL_free(clipboard_text);
12288
12289     if (brush_width == 0 || brush_height == 0)
12290     {
12291       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12292
12293       return;
12294     }
12295
12296     if (copy_to_brush)
12297     {
12298       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12299       int mx, my;
12300
12301       SDL_GetMouseState(&mx, &my);
12302
12303       // if inside drawing area, activate and draw brush at last mouse position
12304       if (mx >= gi->x && mx < gi->x + gi->width &&
12305           my >= gi->y && my < gi->y + gi->height)
12306         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12307
12308       draw_with_brush = TRUE;
12309     }
12310     else
12311     {
12312       char request[100];
12313
12314       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12315               brush_width, brush_height);
12316
12317       if (!Request(request, REQ_ASK))
12318         return;
12319
12320       for (x = 0; x < MAX_LEV_FIELDX; x++)
12321         for (y = 0; y < MAX_LEV_FIELDY; y++)
12322           Tile[x][y] = brush_buffer[x][y];
12323
12324       lev_fieldx = level.fieldx = brush_width;
12325       lev_fieldy = level.fieldy = brush_height;
12326
12327       boolean use_em_engine = TRUE;
12328       boolean use_sp_engine = TRUE;
12329       boolean use_mm_engine = TRUE;
12330
12331       for (x = 0; x < MAX_LEV_FIELDX; x++)
12332       {
12333         for (y = 0; y < MAX_LEV_FIELDY; y++)
12334         {
12335           int element = Tile[x][y];
12336
12337           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12338             use_em_engine = FALSE;
12339
12340           if (!IS_SP_ELEMENT(element))
12341             use_sp_engine = FALSE;
12342
12343           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12344             use_mm_engine = FALSE;
12345         }
12346       }
12347
12348       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12349                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12350                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12351                                 GAME_ENGINE_TYPE_RND);
12352
12353       // update element selection list
12354       ReinitializeElementList();
12355       ModifyEditorElementList();
12356
12357       SetBorderElement();
12358
12359       DrawEditModeWindow();
12360       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12361     }
12362
12363     return;
12364   }
12365
12366   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12367     return;
12368
12369   if (mode == CB_AREA_TO_BRUSH)
12370   {
12371     int from_lx, from_ly;
12372
12373     if (from_x > to_x)
12374       swap_numbers(&from_x, &to_x);
12375
12376     if (from_y > to_y)
12377       swap_numbers(&from_y, &to_y);
12378
12379     brush_width = to_x - from_x + 1;
12380     brush_height = to_y - from_y + 1;
12381
12382     from_lx = from_x + level_xpos;
12383     from_ly = from_y + level_ypos;
12384
12385     for (y = 0; y < brush_height; y++)
12386     {
12387       for (x = 0; x < brush_width; x++)
12388       {
12389         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12390
12391         if (button != 1)
12392           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12393       }
12394     }
12395
12396     if (button != 1)
12397       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12398
12399     delete_old_brush = FALSE;
12400   }
12401   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12402            mode == CB_BRUSH_TO_LEVEL)
12403   {
12404     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12405     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12406     int cursor_from_x = cursor_x - brush_width / 2;
12407     int cursor_from_y = cursor_y - brush_height / 2;
12408     int border_from_x = cursor_x, border_from_y = cursor_y;
12409     int border_to_x = cursor_x, border_to_y = cursor_y;
12410
12411     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12412       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12413
12414     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12415         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12416     {
12417       delete_old_brush = FALSE;
12418
12419       return;
12420     }
12421
12422     for (y = 0; y < brush_height; y++)
12423     {
12424       for (x = 0; x < brush_width; x++)
12425       {
12426         int sx = cursor_from_x + x;
12427         int sy = cursor_from_y + y;
12428         int lx = sx + level_xpos;
12429         int ly = sy + level_ypos;
12430         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12431         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12432                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12433                        brush_buffer[x][y] : new_element);
12434
12435         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12436         {
12437           if (sx < border_from_x)
12438             border_from_x = sx;
12439           else if (sx > border_to_x)
12440             border_to_x = sx;
12441           if (sy < border_from_y)
12442             border_from_y = sy;
12443           else if (sy > border_to_y)
12444             border_to_y = sy;
12445
12446           DrawBrushElement(sx, sy, element, change_level);
12447         }
12448       }
12449     }
12450
12451     if (mode != CB_DELETE_OLD_CURSOR)
12452       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12453
12454     last_cursor_x = cursor_x;
12455     last_cursor_y = cursor_y;
12456
12457     delete_old_brush = TRUE;
12458   }
12459
12460   if (mode == CB_UPDATE_BRUSH_POSITION)
12461   {
12462     last_cursor_x = from_x;
12463     last_cursor_y = from_y;
12464   }
12465 }
12466
12467 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12468                             int button)
12469 {
12470   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12471 }
12472
12473 static void CopyBrushToLevel(int x, int y, int button)
12474 {
12475   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12476 }
12477
12478 static void CopyBrushToCursor(int x, int y)
12479 {
12480   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12481 }
12482
12483 static void UpdateBrushPosition(int x, int y)
12484 {
12485   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12486 }
12487
12488 static void DeleteBrushFromCursor(void)
12489 {
12490   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12491 }
12492
12493 void DumpBrush(void)
12494 {
12495   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12496 }
12497
12498 void DumpBrush_Small(void)
12499 {
12500   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12501 }
12502
12503 void CopyClipboardToBrush(void)
12504 {
12505   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12506 }
12507
12508 void CopyBrushToClipboard(void)
12509 {
12510   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12511 }
12512
12513 void CopyBrushToClipboard_Small(void)
12514 {
12515   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12516 }
12517
12518 void UndoLevelEditorOperation(void)
12519 {
12520   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12521 }
12522
12523 void RedoLevelEditorOperation(void)
12524 {
12525   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12526 }
12527
12528 static void FloodFill(int from_x, int from_y, int fill_element)
12529 {
12530   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12531 }
12532
12533 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12534 {
12535   int from_x = from_sx2 + 2 * level_xpos;
12536   int from_y = from_sy2 + 2 * level_ypos;
12537   int max_fillx = lev_fieldx * 2;
12538   int max_filly = lev_fieldy * 2;
12539   short Fill[max_fillx][max_filly];
12540   int x, y;
12541
12542   for (x = 0; x < max_fillx; x++)
12543     for (y = 0; y < max_filly; y++)
12544       Fill[x][y] = getLevelElementHiRes(x, y);
12545
12546   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12547                     Fill, max_fillx, max_filly);
12548
12549   for (x = 0; x < max_fillx; x++)
12550     for (y = 0; y < max_filly; y++)
12551       if (Fill[x][y] == fill_element)
12552         SetLevelElementHiRes(x, y, Fill[x][y]);
12553 }
12554
12555 // values for DrawLevelText() modes
12556 #define TEXT_INIT               0
12557 #define TEXT_SETCURSOR          1
12558 #define TEXT_WRITECHAR          2
12559 #define TEXT_BACKSPACE          3
12560 #define TEXT_NEWLINE            4
12561 #define TEXT_END                5
12562 #define TEXT_QUERY_TYPING       6
12563
12564 static int DrawLevelText(int sx, int sy, char letter, int mode)
12565 {
12566   static short delete_buffer[MAX_LEV_FIELDX];
12567   static int start_sx;
12568   static int last_sx, last_sy;
12569   static boolean typing = FALSE;
12570   int letter_element = EL_CHAR_ASCII0 + letter;
12571   int lx = 0, ly = 0;
12572
12573   // map lower case letters to upper case and convert special characters
12574   if (letter >= 'a' && letter <= 'z')
12575     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12576   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12577     letter_element = EL_CHAR_AUMLAUT;
12578   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12579     letter_element = EL_CHAR_OUMLAUT;
12580   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12581     letter_element = EL_CHAR_UUMLAUT;
12582   else if (letter == '^')
12583     letter_element = EL_CHAR_COPYRIGHT;
12584   else
12585     letter_element = EL_CHAR_ASCII0 + letter;
12586
12587   if (mode != TEXT_INIT)
12588   {
12589     if (!typing)
12590       return FALSE;
12591
12592     if (mode != TEXT_SETCURSOR)
12593     {
12594       sx = last_sx;
12595       sy = last_sy;
12596     }
12597
12598     lx = last_sx + level_xpos;
12599     ly = last_sy + level_ypos;
12600   }
12601
12602   switch (mode)
12603   {
12604     case TEXT_INIT:
12605       if (typing)
12606         DrawLevelText(0, 0, 0, TEXT_END);
12607
12608       typing = TRUE;
12609       start_sx = sx;
12610       last_sx = sx;
12611       last_sy = sy;
12612       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12613       break;
12614
12615     case TEXT_SETCURSOR:
12616       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12617       DrawAreaBorder(sx, sy, sx, sy);
12618       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12619                      ed_tilesize, ed_tilesize);
12620       last_sx = sx;
12621       last_sy = sy;
12622       break;
12623
12624     case TEXT_WRITECHAR:
12625       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12626       {
12627         if (new_element1 >= EL_STEEL_CHAR_START &&
12628             new_element1 <= EL_STEEL_CHAR_END)
12629           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12630
12631         delete_buffer[sx - start_sx] = Tile[lx][ly];
12632         Tile[lx][ly] = letter_element;
12633
12634         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12635           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12636         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12637           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12638         else
12639           DrawLevelText(0, 0, 0, TEXT_END);
12640
12641         level.changed = TRUE;
12642       }
12643       break;
12644
12645     case TEXT_BACKSPACE:
12646       if (sx > start_sx)
12647       {
12648         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12649         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12650         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12651       }
12652       break;
12653
12654     case TEXT_NEWLINE:
12655       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12656         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12657       else
12658         DrawLevelText(0, 0, 0, TEXT_END);
12659       break;
12660
12661     case TEXT_END:
12662       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12663       DrawEditorElement(sx, sy, Tile[lx][ly]);
12664       StopTextInput();
12665       typing = FALSE;
12666       break;
12667
12668     case TEXT_QUERY_TYPING:
12669       break;
12670
12671     default:
12672       break;
12673   }
12674
12675   return typing;
12676 }
12677
12678 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12679                           int element, boolean change_level)
12680 {
12681   int lx = sx + level_xpos;
12682   int ly = sy + level_ypos;
12683
12684   if (element == -1)
12685     DrawEditorElement(sx, sy, Tile[lx][ly]);
12686   else
12687     DrawAreaBorder(sx, sy, sx, sy);
12688 }
12689
12690 static void CheckLevelBorderElement(boolean redraw_playfield)
12691 {
12692   int last_border_element = BorderElement;
12693
12694   SetBorderElement();
12695
12696   if (redraw_playfield && BorderElement != last_border_element)
12697     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12698 }
12699
12700 static void CopyLevelToUndoBuffer(int mode)
12701 {
12702   static boolean accumulated_undo = FALSE;
12703   boolean new_undo_buffer_position = TRUE;
12704   int x, y;
12705
12706   if (undo_buffer_steps == 0)
12707     accumulated_undo = FALSE;
12708
12709   switch (mode)
12710   {
12711     case UNDO_IMMEDIATE:
12712       accumulated_undo = FALSE;
12713       break;
12714
12715     case UNDO_ACCUMULATE:
12716       if (accumulated_undo)
12717         new_undo_buffer_position = FALSE;
12718       accumulated_undo = TRUE;
12719       break;
12720
12721     default:
12722       break;
12723   }
12724
12725   if (new_undo_buffer_position)
12726   {
12727     // advance position in undo buffer ring
12728     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12729
12730     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12731       undo_buffer_steps++;
12732   }
12733
12734   // always reset redo buffer when storing level change into undo buffer
12735   redo_buffer_steps = 0;
12736
12737   for (x = 0; x < lev_fieldx; x++)
12738     for (y = 0; y < lev_fieldy; y++)
12739       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12740
12741   // check if drawing operation forces change of border style
12742   CheckLevelBorderElement(TRUE);
12743
12744   level.changed = TRUE;
12745 }
12746
12747 static void RandomPlacement(int new_element)
12748 {
12749   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12750   int num_free_positions = 0;
12751   int num_percentage, num_elements;
12752   int x, y;
12753
12754   ResetIntelliDraw();
12755
12756   // determine number of free positions for randomly placing the new element
12757   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12758   {
12759     free_position[x][y] =
12760       (random_placement_background_restricted ?
12761        Tile[x][y] == random_placement_background_element :
12762        Tile[x][y] != new_element);
12763
12764     if (free_position[x][y])
12765       num_free_positions++;
12766   }
12767
12768   // determine number of new elements to place there
12769   num_percentage = num_free_positions * random_placement_value / 100;
12770   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12771                   num_percentage : random_placement_value);
12772
12773   // if less free positions than elements to place, fill all these positions
12774   if (num_free_positions < num_elements)
12775   {
12776     for (x = 0; x < lev_fieldx; x++)
12777       for (y = 0; y < lev_fieldy; y++)
12778         if (free_position[x][y])
12779           SetElement(x, y, new_element);
12780   }
12781   else
12782   {
12783     while (num_elements > 0)
12784     {
12785       x = GetSimpleRandom(lev_fieldx);
12786       y = GetSimpleRandom(lev_fieldy);
12787
12788       // don't place element at the same position twice
12789       if (free_position[x][y])
12790       {
12791         free_position[x][y] = FALSE;
12792         SetElement(x, y, new_element);
12793         num_elements--;
12794       }
12795     }
12796   }
12797
12798   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12799   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12800 }
12801
12802 static void WrapLevel(int dx, int dy)
12803 {
12804   int wrap_dx = lev_fieldx - dx;
12805   int wrap_dy = lev_fieldy - dy;
12806   int x, y;
12807
12808   for (x = 0; x < lev_fieldx; x++)
12809     for (y = 0; y < lev_fieldy; y++)
12810       TileBackup[x][y] = Tile[x][y];
12811
12812   for (x = 0; x < lev_fieldx; x++)
12813     for (y = 0; y < lev_fieldy; y++)
12814       Tile[x][y] =
12815         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12816
12817   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12818   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12819 }
12820
12821 static void DrawAreaElementHighlight(boolean highlighted)
12822 {
12823   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12824
12825   if (!highlighted)
12826     return;
12827
12828   int x, y;
12829
12830   for (x = 0; x < ed_fieldx; x++)
12831   {
12832     for (y = 0; y < ed_fieldy; y++)
12833     {
12834       int lx = x + level_xpos;
12835       int ly = y + level_ypos;
12836
12837       if (!IN_LEV_FIELD(lx, ly))
12838         continue;
12839
12840       if (Tile[lx][ly] != new_element1)
12841         continue;
12842
12843       int sx = SX + x * ed_tilesize;
12844       int sy = SY + y * ed_tilesize;
12845       int from_sx = sx;
12846       int from_sy = sy;
12847       int to_sx = sx + ed_tilesize - 1;
12848       int to_sy = sy + ed_tilesize - 1;
12849
12850       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
12851       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
12852       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
12853       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
12854     }
12855   }
12856 }
12857
12858 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12859 {
12860   char *template_filename_old = getLocalLevelTemplateFilename();
12861   char *template_filename_new =
12862     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12863
12864   if (copyFile(template_filename_old, template_filename_new) != 0)
12865     Request("Cannot copy level template!", REQ_CONFIRM);
12866
12867   free(template_filename_new);
12868 }
12869
12870 static void HandleDrawingAreas(struct GadgetInfo *gi)
12871 {
12872   static boolean started_inside_drawing_area = FALSE;
12873   static int last_sx = -1, last_sy = -1;
12874   static int last_sx2 = -1, last_sy2 = -1;
12875   int id = gi->custom_id;
12876   int type_id = gi->custom_type_id;
12877   boolean button_press_event;
12878   boolean button_release_event;
12879   boolean inside_drawing_area = !gi->event.off_borders;
12880   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12881   int actual_drawing_function;
12882   int button = gi->event.button;
12883   int new_element = BUTTON_ELEMENT(button);
12884   int sx = gi->event.x, sy = gi->event.y;
12885   int min_sx = 0, min_sy = 0;
12886   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12887   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12888   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12889   int sx2 = gi->event.mx / mini_item_xsize;
12890   int sy2 = gi->event.my / mini_item_ysize;
12891   int dx = sx2 % 2;
12892   int dy = sy2 % 2;
12893   int lx = 0, ly = 0;
12894   int min_lx = 0, min_ly = 0;
12895   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12896   int x, y;
12897
12898   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12899   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12900
12901   // make sure to stay inside drawing area boundaries
12902   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12903   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12904
12905   if (draw_level)
12906   {
12907     // get positions inside level field
12908     lx = sx + level_xpos;
12909     ly = sy + level_ypos;
12910
12911     if (!IN_LEV_FIELD(lx, ly))
12912       inside_drawing_area = FALSE;
12913
12914     // make sure to stay inside level field boundaries
12915     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12916     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12917
12918     // correct drawing area positions accordingly
12919     sx = lx - level_xpos;
12920     sy = ly - level_ypos;
12921   }
12922
12923   // also correct MM wall-sized (double) drawing area positions accordingly
12924   if (sx2 / 2 < sx || sx2 / 2 > sx)
12925   {
12926     dx = (sx2 / 2 < sx ? 0 : 1);
12927     sx2 = sx * 2 + dx;
12928   }
12929   if (sy2 / 2 < sy || sy2 / 2 > sy)
12930   {
12931     dy = (sy2 / 2 < sy ? 0 : 1);
12932     sy2 = sy * 2 + dy;
12933   }
12934
12935   if (button_release_event)
12936   {
12937     last_sx = -1;
12938     last_sy = -1;
12939     last_sx2 = -1;
12940     last_sy2 = -1;
12941   }
12942   else if (!button_press_event)
12943   {
12944     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
12945     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12946                              isHiresTileElement(old_element) &&
12947                              isHiresDrawElement(new_element));
12948
12949     // prevent handling events for every pixel position when moving mouse
12950     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12951         (sx2 == last_sx2 && sy2 == last_sy2))
12952       return;
12953   }
12954
12955   last_sx = sx;
12956   last_sy = sy;
12957   last_sx2 = sx2;
12958   last_sy2 = sy2;
12959
12960   if (button_press_event)
12961     started_inside_drawing_area = inside_drawing_area;
12962
12963   if (!started_inside_drawing_area)
12964     return;
12965
12966   if (!IS_VALID_BUTTON(button))
12967     return;
12968
12969   if (!button && !button_release_event)
12970     return;
12971
12972   // handle info callback for each invocation of action callback
12973   gi->callback_info(gi);
12974
12975   // automatically switch to 'single item' drawing mode, if needed
12976   actual_drawing_function =
12977     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12978      drawing_function : GADGET_ID_SINGLE_ITEMS);
12979
12980   // clicking into drawing area with pressed Control key picks element
12981   if (GetKeyModState() & KMOD_Control)
12982   {
12983     last_drawing_function = drawing_function;
12984     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12985   }
12986
12987   if (GetKeyModState() & KMOD_Shift)
12988   {
12989     if (button_press_event || button_release_event)
12990       ResetIntelliDraw();
12991   }
12992
12993   SetDrawModeHiRes(-1);         // reset to normal draw mode
12994
12995   switch (actual_drawing_function)
12996   {
12997     case GADGET_ID_SINGLE_ITEMS:
12998       if (draw_level)
12999       {
13000         if (button_release_event)
13001         {
13002           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13003
13004           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13005               !inside_drawing_area)
13006             DeleteBrushFromCursor();
13007         }
13008
13009         if (!button || button_release_event)
13010           break;
13011
13012         if (draw_with_brush)
13013         {
13014           CopyBrushToLevel(sx, sy, button);
13015         }
13016         else
13017         {
13018           SetDrawModeHiRes(new_element);
13019
13020           if (IS_PLAYER_ELEMENT(new_element))
13021           {
13022             // remove player at old position
13023             for (y = 0; y < lev_fieldy; y++)
13024             {
13025               for (x = 0; x < lev_fieldx; x++)
13026               {
13027                 int old_element = Tile[x][y];
13028
13029                 if (IS_PLAYER_ELEMENT(old_element))
13030                 {
13031                   int replaced_with_element =
13032                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13033                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13034
13035                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13036                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13037
13038                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13039                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13040
13041                      new_element >= EL_PLAYER_1 &&
13042                      new_element <= EL_PLAYER_4 &&
13043                      new_element == old_element ? EL_EMPTY :
13044
13045                      old_element);
13046
13047                   SetElement(x, y, replaced_with_element);
13048                 }
13049               }
13050             }
13051           }
13052
13053           SetElementButton(lx, ly, dx, dy, new_element, button);
13054         }
13055       }
13056       else if (!button_release_event)
13057       {
13058         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13059
13060         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13061           DrawMiniGraphicExt(drawto,
13062                              gi->x + sx * MINI_TILEX,
13063                              gi->y + sy * MINI_TILEY,
13064                              el2edimg(new_element));
13065         else
13066           DrawFixedGraphicExt(drawto,
13067                               gi->x + sx * TILEX,
13068                               gi->y + sy * TILEY,
13069                               el2edimg(new_element), 0);
13070
13071         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13072           new_element = GFX_ELEMENT(new_element);
13073
13074         drawingarea_info[type_id].value[pos] = new_element;
13075
13076         CopyElementPropertiesToGame(properties_element);
13077
13078         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13079         {
13080           UpdateCustomElementGraphicGadgets();
13081
13082           FrameCounter = 0;     // restart animation frame counter
13083         }
13084       }
13085       break;
13086
13087     case GADGET_ID_CONNECTED_ITEMS:
13088       {
13089         static int last_sx = -1;
13090         static int last_sy = -1;
13091
13092         if (button_release_event)
13093           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13094
13095         if (button)
13096         {
13097           SetDrawModeHiRes(new_element);
13098
13099           if (getDrawModeHiRes())
13100           {
13101             sx = sx2;
13102             sy = sy2;
13103           }
13104
13105           if (!button_press_event)
13106             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13107
13108           last_sx = sx;
13109           last_sy = sy;
13110         }
13111       }
13112       break;
13113
13114     case GADGET_ID_LINE:
13115     case GADGET_ID_ARC:
13116     case GADGET_ID_RECTANGLE:
13117     case GADGET_ID_FILLED_BOX:
13118       SetDrawModeHiRes(new_element);
13119
13120       if (getDrawModeHiRes())
13121       {
13122         sx = sx2;
13123         sy = sy2;
13124       }
13125       // FALLTHROUGH
13126     case GADGET_ID_GRAB_BRUSH:
13127     case GADGET_ID_TEXT:
13128       {
13129         static int last_sx = -1;
13130         static int last_sy = -1;
13131         static int start_sx = -1;
13132         static int start_sy = -1;
13133         void (*draw_func)(int, int, int, int, int, boolean);
13134
13135         if (drawing_function == GADGET_ID_LINE)
13136           draw_func = DrawLine;
13137         else if (drawing_function == GADGET_ID_ARC)
13138           draw_func = DrawArc;
13139         else if (drawing_function == GADGET_ID_RECTANGLE)
13140           draw_func = DrawBox;
13141         else if (drawing_function == GADGET_ID_FILLED_BOX)
13142           draw_func = DrawFilledBox;
13143         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13144           draw_func = SelectArea;
13145         else // (drawing_function == GADGET_ID_TEXT)
13146           draw_func = SetTextCursor;
13147
13148         if (button_press_event)
13149         {
13150           draw_func(sx, sy, sx, sy, new_element, FALSE);
13151           start_sx = last_sx = sx;
13152           start_sy = last_sy = sy;
13153
13154           if (drawing_function == GADGET_ID_TEXT)
13155             DrawLevelText(0, 0, 0, TEXT_END);
13156         }
13157         else if (button_release_event)
13158         {
13159           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13160           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13161           {
13162             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13163             CopyBrushToCursor(sx, sy);
13164             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13165                           MB_LEFTBUTTON);
13166             draw_with_brush = TRUE;
13167           }
13168           else if (drawing_function == GADGET_ID_TEXT)
13169             DrawLevelText(sx, sy, 0, TEXT_INIT);
13170           else
13171             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13172         }
13173         else if (last_sx != sx || last_sy != sy)
13174         {
13175           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13176           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13177             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13178           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13179           last_sx = sx;
13180           last_sy = sy;
13181         }
13182       }
13183       break;
13184
13185     case GADGET_ID_FLOOD_FILL:
13186       if (button_press_event && Tile[lx][ly] != new_element)
13187       {
13188         if (IS_MM_WALL_EDITOR(new_element))
13189           FloodFillWall_MM(sx2, sy2, new_element);
13190         else
13191           FloodFill(lx, ly, new_element);
13192
13193         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13194         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13195       }
13196       break;
13197
13198     case GADGET_ID_PICK_ELEMENT:
13199       if (button_release_event)
13200         ClickOnGadget(level_editor_gadget[last_drawing_function],
13201                       MB_LEFTBUTTON);
13202       else if (draw_level)
13203         PickDrawingElement(button, Tile[lx][ly]);
13204       else
13205       {
13206         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13207
13208         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13209       }
13210
13211     default:
13212       break;
13213   }
13214
13215   // do not mark level as modified for certain non-level-changing gadgets
13216   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13217        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13218       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13219       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13220     return;
13221
13222   level.changed = TRUE;
13223 }
13224
13225 static void HandleCounterButtons(struct GadgetInfo *gi)
13226 {
13227   int gadget_id = gi->custom_id;
13228   int counter_id = gi->custom_type_id;
13229   int button = gi->event.button;
13230   int *counter_value = counterbutton_info[counter_id].value;
13231   int step = BUTTON_STEPSIZE(button) *
13232     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13233
13234   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13235   {
13236     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13237     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13238     boolean level_changed = LevelChanged();
13239
13240     if ((level_changed && pressed) || (!level_changed && released))
13241       return;
13242
13243     if (level_changed && !Request("Level has changed! Discard changes?",
13244                                   REQ_ASK))
13245     {
13246       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13247         ModifyEditorCounterValue(counter_id, *counter_value);
13248
13249       return;
13250     }
13251   }
13252
13253   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13254     *counter_value = gi->textinput.number_value;
13255   else
13256     ModifyEditorCounterValue(counter_id, *counter_value + step);
13257
13258   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13259   {
13260     int last_game_engine_type = level.game_engine_type;
13261
13262     LoadLevel(level_nr);
13263     LoadScore(level_nr);
13264
13265     SaveLevelSetup_SeriesInfo();
13266
13267     TapeErase();
13268
13269     ResetUndoBuffer();
13270     DrawEditModeWindow();
13271
13272     if (level.game_engine_type != last_game_engine_type)
13273     {
13274       // update element selection list
13275       ReinitializeElementList();
13276       ModifyEditorElementList();
13277     }
13278
13279     return;
13280   }
13281
13282   switch (counter_id)
13283   {
13284     case ED_COUNTER_ID_YAMYAM_CONTENT:
13285       DrawYamYamContentAreas();
13286       break;
13287
13288     case ED_COUNTER_ID_BALL_CONTENT:
13289       DrawMagicBallContentAreas();
13290       break;
13291
13292     case ED_COUNTER_ID_ANDROID_CONTENT:
13293       DrawAndroidElementArea(properties_element);
13294       break;
13295
13296     case ED_COUNTER_ID_GROUP_CONTENT:
13297       DrawGroupElementArea(properties_element);
13298       CopyGroupElementPropertiesToGame(properties_element);
13299       break;
13300
13301     case ED_COUNTER_ID_INVENTORY_SIZE:
13302       DrawPlayerInitialInventoryArea(properties_element);
13303       break;
13304
13305     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13306     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13307       DrawEnvelopeTextArea(-1);
13308       break;
13309
13310     case ED_COUNTER_ID_LEVEL_XSIZE:
13311     case ED_COUNTER_ID_LEVEL_YSIZE:
13312       lev_fieldx = level.fieldx;
13313       lev_fieldy = level.fieldy;
13314
13315       // check if resizing of level results in change of border border
13316       SetBorderElement();
13317
13318       break;
13319
13320     default:
13321       break;
13322   }
13323
13324   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13325        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13326       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13327        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13328     CopyElementPropertiesToGame(properties_element);
13329
13330   // do not mark level as modified for certain non-level-changing gadgets
13331   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13332        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13333       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13334        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13335     return;
13336
13337   level.changed = TRUE;
13338 }
13339
13340 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13341 {
13342   int type_id = gi->custom_type_id;
13343
13344   strcpy(textinput_info[type_id].value, gi->textinput.value);
13345
13346   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13347   {
13348     CopyElementPropertiesToGame(properties_element);
13349
13350     ModifyEditorElementList();  // update changed button info text
13351   }
13352
13353   // do not mark level as modified for certain non-level-changing gadgets
13354   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13355       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13356     return;
13357
13358   level.changed = TRUE;
13359 }
13360
13361 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13362 {
13363   int type_id = gi->custom_type_id;
13364
13365   strncpy(textarea_info[type_id].value, gi->textarea.value,
13366           MAX_ENVELOPE_TEXT_LEN);
13367   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13368
13369   level.changed = TRUE;
13370 }
13371
13372 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13373 {
13374   int type_id = gi->custom_type_id;
13375   int value_old = *selectbox_info[type_id].value;
13376   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13377
13378   *selectbox_info[type_id].value = value_new;
13379
13380   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13381   {
13382     DrawLevelInfoWindow();
13383   }
13384   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13385   {
13386     element_info[properties_element].current_change_page = gi->selectbox.index;
13387
13388     DrawPropertiesWindow();
13389   }
13390   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13391             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13392            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13393             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13394            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13395   {
13396     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13397     {
13398       // when changing action type, also check action mode and action arg
13399       if (value_old != value_new)
13400         setSelectboxSpecialActionVariablesIfNeeded();
13401
13402       DrawPropertiesChange();
13403     }
13404
13405     CopyElementPropertiesToGame(properties_element);
13406   }
13407   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13408   {
13409     // update element selection list
13410     ReinitializeElementList();
13411     ModifyEditorElementList();
13412   }
13413
13414   // do not mark level as modified for certain non-level-changing gadgets
13415   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13416       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13417     return;
13418
13419   level.changed = TRUE;
13420 }
13421
13422 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13423 {
13424   int type_id = gi->custom_type_id;
13425   int i;
13426
13427   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13428       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13429   {
13430     edit_mode_levelinfo = gi->custom_type_id;
13431
13432     DrawLevelInfoWindow();
13433   }
13434   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13435            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13436   {
13437     edit_mode_properties = gi->custom_type_id;
13438
13439     DrawPropertiesWindow();
13440   }
13441   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13442            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13443   {
13444     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13445
13446     // backup original "level.field" (needed to track playfield changes)
13447     CopyPlayfield(level.field, TileBackup);
13448
13449     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13450     CopyPlayfield(Tile, level.field);
13451
13452     if (new_template ||
13453         Request("Save this template and kill the old?", REQ_ASK))
13454       SaveLevelTemplate();
13455
13456     if (new_template)
13457       Request("Template saved!", REQ_CONFIRM);
13458
13459     // restore original "level.field" (needed to track playfield changes)
13460     CopyPlayfield(TileBackup, level.field);
13461   }
13462   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13463   {
13464     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13465
13466     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13467         leveldir_current->readonly)
13468     {
13469       Request("This level set is read-only!", REQ_CONFIRM);
13470
13471       return;
13472     }
13473
13474     if (strEqual(levelset_name, ""))
13475     {
13476       Request("Please enter level set title!", REQ_CONFIRM);
13477
13478       return;
13479     }
13480
13481     if (strEqual(levelset_author, ""))
13482     {
13483       Request("Please enter level set author!", REQ_CONFIRM);
13484
13485       return;
13486     }
13487
13488     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13489     {
13490       if (UpdateUserLevelSet(levelset_subdir,
13491                              levelset_name,
13492                              levelset_author,
13493                              levelset_num_levels))
13494       {
13495         Request("Level set updated!", REQ_CONFIRM);
13496       }
13497       else
13498       {
13499         Request("Updating level set failed!", REQ_CONFIRM);
13500       }
13501     }
13502     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13503     {
13504       if (level.changed && !Request("Level has changed! Discard changes?",
13505                                      REQ_ASK))
13506         return;
13507
13508       if (CreateUserLevelSet(levelset_subdir,
13509                              levelset_name,
13510                              levelset_author,
13511                              levelset_num_levels,
13512                              levelset_use_levelset_artwork))
13513       {
13514         if (levelset_copy_level_template)
13515           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13516
13517         Request("New level set created!", REQ_CONFIRM);
13518
13519         AddUserLevelSetToLevelInfo(levelset_subdir);
13520         ChangeEditorToLevelSet(levelset_subdir);
13521       }
13522       else
13523       {
13524         Request("Creating new level set failed!", REQ_CONFIRM);
13525       }
13526     }
13527   }
13528   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13529            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13530   {
13531     struct ElementInfo *ei = &element_info[properties_element];
13532
13533     // when modifying custom element, ask for copying level template
13534     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13535       return;
13536
13537     setElementChangePages(ei, ei->num_change_pages + 1);
13538
13539     // set new change page to be new current change page
13540     ei->current_change_page = ei->num_change_pages - 1;
13541     ei->change = &ei->change_page[ei->current_change_page];
13542
13543     setElementChangeInfoToDefaults(ei->change);
13544
13545     DrawPropertiesWindow();
13546
13547     level.changed = TRUE;
13548   }
13549   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13550            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13551   {
13552     struct ElementInfo *ei = &element_info[properties_element];
13553
13554     // when modifying custom element, ask for copying level template
13555     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13556       return;
13557
13558     // copy all change pages after change page to be deleted
13559     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13560       ei->change_page[i] = ei->change_page[i + 1];
13561
13562     setElementChangePages(ei, ei->num_change_pages - 1);
13563
13564     DrawPropertiesWindow();
13565
13566     level.changed = TRUE;
13567   }
13568 }
13569
13570 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13571 {
13572   int type_id = gi->custom_type_id;
13573
13574   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13575       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13576   {
13577     struct ElementInfo *ei = &element_info[properties_element];
13578     int step = BUTTON_STEPSIZE(gi->event.button);
13579
13580     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13581     ei->current_change_page += step;
13582
13583     if (ei->current_change_page < 0)
13584       ei->current_change_page = 0;
13585     else if (ei->current_change_page >= ei->num_change_pages)
13586       ei->current_change_page = ei->num_change_pages - 1;
13587
13588     DrawPropertiesWindow();
13589   }
13590   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13591            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13592   {
13593     struct ElementInfo *ei = &element_info[properties_element];
13594     int current_change_page = ei->current_change_page;
13595
13596     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13597     {
13598       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13599         ei->change_page[current_change_page];
13600     }
13601     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13602     {
13603       // when modifying custom element, ask for copying level template
13604       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13605         return;
13606
13607       ei->change_page[current_change_page] =
13608         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13609
13610       level.changed = TRUE;
13611     }
13612
13613     DrawPropertiesWindow();
13614   }
13615 }
13616
13617 static void HandleRadiobuttons(struct GadgetInfo *gi)
13618 {
13619   int type_id = gi->custom_type_id;
13620
13621   *radiobutton_info[type_id].value =
13622     radiobutton_info[type_id].checked_value;
13623
13624   // do not mark level as modified for certain non-level-changing gadgets
13625   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13626       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13627     return;
13628
13629   level.changed = TRUE;
13630 }
13631
13632 static void HandleCheckbuttons(struct GadgetInfo *gi)
13633 {
13634   int type_id = gi->custom_type_id;
13635
13636   *checkbutton_info[type_id].value ^= TRUE;
13637
13638   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13639       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13640       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13641       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13642          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13643         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13644          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13645        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13646   {
13647     CopyElementPropertiesToGame(properties_element);
13648   }
13649
13650   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13651   {
13652     UpdateCustomElementGraphicGadgets();
13653   }
13654   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13655            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13656   {
13657     boolean template_related_changes_found = FALSE;
13658     int i;
13659
13660     // check if any custom or group elements have been changed
13661     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13662       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13663           element_info[i].modified_settings)
13664         template_related_changes_found = TRUE;
13665
13666     if (level.use_custom_template &&
13667         !fileExists(getGlobalLevelTemplateFilename()))
13668     {
13669       Request("No level template found!", REQ_CONFIRM);
13670
13671       level.use_custom_template = FALSE;
13672
13673       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13674
13675       return;
13676     }
13677
13678     if (level.use_custom_template &&
13679         template_related_changes_found &&
13680         !Request("Discard changes and use level template?", REQ_ASK))
13681     {
13682       level.use_custom_template = FALSE;
13683
13684       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13685
13686       return;
13687     }
13688
13689     if (!level.use_custom_template &&
13690         Request("Copy settings from level template?", REQ_ASK))
13691     {
13692       return;
13693     }
13694
13695     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13696
13697     DrawEditModeWindow();
13698   }
13699   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13700   {
13701     if (setup.editor.use_template_for_new_levels &&
13702         !fileExists(getGlobalLevelTemplateFilename()))
13703     {
13704       Request("No level template found!", REQ_CONFIRM);
13705
13706       return;
13707     }
13708
13709     if (setup.editor.use_template_for_new_levels &&
13710         level.changed &&
13711         !Request("Discard level and load template?", REQ_ASK))
13712     {
13713       return;
13714     }
13715
13716     if (!setup.editor.use_template_for_new_levels &&
13717         level.changed &&
13718         !Request("Discard level and use empty level?", REQ_ASK))
13719     {
13720       return;
13721     }
13722
13723     LoadLevel(level_nr);
13724     LoadScore(level_nr);
13725
13726     TapeErase();
13727
13728     ResetUndoBuffer();
13729     DrawEditModeWindow();
13730   }
13731   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13732   {
13733     SetAutomaticNumberOfGemsNeeded();
13734   }
13735
13736   // do not mark level as modified for certain non-level-changing gadgets
13737   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13738        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13739       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13740        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13741        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13742       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13743     return;
13744
13745   level.changed = TRUE;
13746 }
13747
13748 static void HandleControlButtons(struct GadgetInfo *gi)
13749 {
13750   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13751   static int last_edit_mode = ED_MODE_DRAWING;
13752   static int last_custom_copy_mode = -1;
13753   static int last_button = 0;
13754   int id = gi->custom_id;
13755   int button = gi->event.button;
13756   int step = BUTTON_STEPSIZE(button);
13757   int new_element = BUTTON_ELEMENT(button);
13758   int last_properties_element = properties_element;
13759   int x, y;
13760
13761   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13762     DrawLevelText(0, 0, 0, TEXT_END);
13763
13764   if (id < ED_NUM_CTRL1_BUTTONS &&
13765       id != GADGET_ID_SINGLE_ITEMS &&
13766       id != GADGET_ID_PICK_ELEMENT &&
13767       edit_mode != ED_MODE_DRAWING &&
13768       drawing_function != GADGET_ID_PICK_ELEMENT &&
13769       !(GetKeyModState() & KMOD_Control))
13770     ChangeEditModeWindow(ED_MODE_DRAWING);
13771
13772   // element copy mode active, but no element button pressed => deactivate
13773   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13774     last_custom_copy_mode = -1;
13775
13776   // when showing palette on element buttons, change element of button used
13777   if (editor.palette.show_on_element_buttons &&
13778       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13779   {
13780     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13781
13782     id = GADGET_ID_PALETTE;
13783   }
13784
13785   switch (id)
13786   {
13787     case GADGET_ID_SCROLL_LEFT:
13788       if (level_xpos >= 0)
13789       {
13790         if (lev_fieldx < ed_fieldx - 2)
13791           break;
13792
13793         level_xpos -= step;
13794         if (level_xpos < -1)
13795           level_xpos = -1;
13796         if (button == 1)
13797           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13798         else
13799           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13800
13801         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13802                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13803       }
13804       break;
13805
13806     case GADGET_ID_SCROLL_RIGHT:
13807       if (level_xpos <= lev_fieldx - ed_fieldx)
13808       {
13809         if (lev_fieldx < ed_fieldx - 2)
13810           break;
13811
13812         level_xpos += step;
13813         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13814           level_xpos = lev_fieldx - ed_fieldx + 1;
13815         if (button == 1)
13816           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13817         else
13818           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13819
13820         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13821                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13822       }
13823       break;
13824
13825     case GADGET_ID_SCROLL_UP:
13826       if (level_ypos >= 0)
13827       {
13828         if (lev_fieldy < ed_fieldy - 2)
13829           break;
13830
13831         level_ypos -= step;
13832         if (level_ypos < -1)
13833           level_ypos = -1;
13834         if (button == 1)
13835           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13836         else
13837           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13838
13839         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13840                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13841       }
13842       break;
13843
13844     case GADGET_ID_SCROLL_DOWN:
13845       if (level_ypos <= lev_fieldy - ed_fieldy)
13846       {
13847         if (lev_fieldy < ed_fieldy - 2)
13848           break;
13849
13850         level_ypos += step;
13851         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13852           level_ypos = lev_fieldy - ed_fieldy + 1;
13853         if (button == 1)
13854           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13855         else
13856           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13857
13858         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13859                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13860       }
13861       break;
13862
13863     case GADGET_ID_SCROLL_HORIZONTAL:
13864       level_xpos = gi->event.item_position - 1;
13865
13866       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13867       BackToFront();
13868
13869       break;
13870
13871     case GADGET_ID_SCROLL_VERTICAL:
13872       level_ypos = gi->event.item_position - 1;
13873
13874       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13875       BackToFront();
13876
13877       break;
13878
13879     case GADGET_ID_SCROLL_LIST_UP:
13880     case GADGET_ID_SCROLL_LIST_DOWN:
13881     case GADGET_ID_SCROLL_LIST_VERTICAL:
13882       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13883         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13884       else
13885       {
13886         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13887         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13888
13889         if (element_shift < 0)
13890           element_shift = 0;
13891         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13892           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13893
13894         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13895                      GDI_SCROLLBAR_ITEM_POSITION,
13896                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13897       }
13898
13899       ModifyEditorElementList();
13900
13901       break;
13902
13903     case GADGET_ID_PROPERTIES:
13904       // always switch off element properties when they are already displayed
13905       last_properties_element = new_element;
13906     case GADGET_ID_ELEMENT_LEFT:
13907     case GADGET_ID_ELEMENT_MIDDLE:
13908     case GADGET_ID_ELEMENT_RIGHT:
13909       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13910                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13911                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13912                             new_element);
13913
13914       if (edit_mode != ED_MODE_PROPERTIES)
13915       {
13916         last_edit_mode = edit_mode;
13917
13918         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13919
13920         last_level_drawing_function = drawing_function;
13921         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13922                       MB_LEFTBUTTON);
13923       }
13924       else if (properties_element != last_properties_element)
13925       {
13926         DrawEditModeWindow();
13927       }
13928       else
13929       {
13930         ChangeEditModeWindow(ED_MODE_DRAWING);
13931
13932         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13933                       MB_LEFTBUTTON);
13934       }
13935       break;
13936
13937     case GADGET_ID_PALETTE:
13938       if (edit_mode != ED_MODE_PALETTE)
13939       {
13940         last_edit_mode = edit_mode;
13941
13942         ChangeEditModeWindow(ED_MODE_PALETTE);
13943       }
13944       else
13945       {
13946         ChangeEditModeWindow(last_edit_mode);
13947       }
13948       break;
13949
13950     case GADGET_ID_WRAP_LEFT:
13951       WrapLevel(-step, 0);
13952       break;
13953
13954     case GADGET_ID_WRAP_RIGHT:
13955       WrapLevel(step, 0);
13956       break;
13957
13958     case GADGET_ID_WRAP_UP:
13959       WrapLevel(0, -step);
13960       break;
13961
13962     case GADGET_ID_WRAP_DOWN:
13963       WrapLevel(0, step);
13964       break;
13965
13966     case GADGET_ID_SINGLE_ITEMS:
13967     case GADGET_ID_CONNECTED_ITEMS:
13968     case GADGET_ID_LINE:
13969     case GADGET_ID_ARC:
13970     case GADGET_ID_TEXT:
13971     case GADGET_ID_RECTANGLE:
13972     case GADGET_ID_FILLED_BOX:
13973     case GADGET_ID_FLOOD_FILL:
13974     case GADGET_ID_GRAB_BRUSH:
13975     case GADGET_ID_PICK_ELEMENT:
13976       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13977         last_drawing_function = drawing_function;
13978       drawing_function = id;
13979       draw_with_brush = FALSE;
13980       break;
13981
13982     case GADGET_ID_RANDOM_PLACEMENT:
13983       RandomPlacement(new_element);
13984       break;
13985
13986     case GADGET_ID_ZOOM:
13987       // zoom level editor tile size in or out (or reset to default size)
13988       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13989                      button == 2 ? ed_tilesize_default :
13990                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13991
13992       // when using touch device, cycle through all zoom tilesizes
13993       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
13994         ed_tilesize = MICRO_TILESIZE;
13995
13996       // limit zoom level by upper and lower bound
13997       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13998
13999       InitZoomLevelSettings(ed_tilesize);
14000
14001       if (edit_mode == ED_MODE_DRAWING)
14002       {
14003         DrawDrawingWindow();
14004
14005         // redraw zoom gadget info text
14006         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14007       }
14008
14009       // save current editor zoom tilesize
14010       SaveSetup_AutoSetup();
14011
14012       break;
14013
14014     case GADGET_ID_CUSTOM_COPY_FROM:
14015     case GADGET_ID_CUSTOM_COPY_TO:
14016     case GADGET_ID_CUSTOM_EXCHANGE:
14017       last_custom_copy_mode = id;
14018       last_drawing_function = drawing_function;
14019       break;
14020
14021     case GADGET_ID_CUSTOM_COPY:
14022       CopyCustomElement(properties_element, -1, id);
14023       break;
14024
14025     case GADGET_ID_CUSTOM_PASTE:
14026       CopyCustomElement(-1, properties_element, id);
14027       break;
14028
14029     case GADGET_ID_UNDO:
14030       if (button < 0)   // keep button value (even if modifier keys are pressed)
14031         button = -button;
14032       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14033         button = 3;
14034
14035       if (button == 1 && undo_buffer_steps == 0)
14036       {
14037         Request("Undo buffer empty!", REQ_CONFIRM);
14038
14039         break;
14040       }
14041       else if (button == 2)
14042       {
14043         break;
14044       }
14045       else if (button == 3 && redo_buffer_steps == 0)
14046       {
14047         Request("Redo buffer empty!", REQ_CONFIRM);
14048
14049         break;
14050       }
14051
14052       if (edit_mode != ED_MODE_DRAWING)
14053         ChangeEditModeWindow(ED_MODE_DRAWING);
14054
14055       if (button == 1)
14056       {
14057         // undo
14058
14059         undo_buffer_position =
14060           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14061
14062         undo_buffer_steps--;
14063         redo_buffer_steps++;
14064       }
14065       else
14066       {
14067         // redo
14068
14069         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14070
14071         undo_buffer_steps++;
14072         redo_buffer_steps--;
14073       }
14074
14075       for (x = 0; x < lev_fieldx; x++)
14076         for (y = 0; y < lev_fieldy; y++)
14077           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14078
14079       // check if undo operation forces change of border style
14080       CheckLevelBorderElement(FALSE);
14081
14082       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14083
14084       break;
14085
14086     case GADGET_ID_INFO:
14087       if (edit_mode != ED_MODE_INFO)
14088       {
14089         last_edit_mode = edit_mode;
14090
14091         ChangeEditModeWindow(ED_MODE_INFO);
14092       }
14093       else
14094       {
14095         ChangeEditModeWindow(ED_MODE_DRAWING);
14096       }
14097       break;
14098
14099     case GADGET_ID_CLEAR:
14100       if (edit_mode != ED_MODE_DRAWING)
14101         ChangeEditModeWindow(ED_MODE_DRAWING);
14102
14103       for (x = 0; x < MAX_LEV_FIELDX; x++)
14104         for (y = 0; y < MAX_LEV_FIELDY; y++)
14105           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14106
14107       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14108
14109       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14110       break;
14111
14112     case GADGET_ID_SAVE:
14113     {
14114       // saving read-only levels into personal level set modifies global vars
14115       // "leveldir_current" and "level_nr"; restore them after saving level
14116       LevelDirTree *leveldir_former = leveldir_current;
14117       int level_nr_former = level_nr;
14118       char *level_filename;
14119       boolean new_level;
14120
14121       if (leveldir_current->readonly &&
14122           !PrepareSavingIntoPersonalLevelSet())
14123         break;
14124
14125       level_filename = getDefaultLevelFilename(level_nr);
14126       new_level = !fileExists(level_filename);
14127
14128       if (new_level ||
14129           Request("Save this level and kill the old?", REQ_ASK))
14130       {
14131         if (leveldir_former->readonly)
14132           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14133
14134         SetAutomaticNumberOfGemsNeeded();
14135
14136         CopyPlayfield(Tile, level.field);
14137         SaveLevel(level_nr);
14138
14139         level.changed = FALSE;
14140
14141         if (new_level)
14142         {
14143           char level_saved_msg[64];
14144
14145           if (leveldir_former->readonly)
14146             sprintf(level_saved_msg,
14147                     "Level saved as level %d into personal level set!",
14148                     level_nr);
14149           else
14150             strcpy(level_saved_msg, "Level saved!");
14151
14152           Request(level_saved_msg, REQ_CONFIRM);
14153         }
14154       }
14155
14156       // "cd" back to copied-from levelset (in case of saved read-only level)
14157       leveldir_current = leveldir_former;
14158       level_nr = level_nr_former;
14159
14160       break;
14161     }
14162
14163     case GADGET_ID_TEST:
14164       if (LevelChanged())
14165         level.game_version = GAME_VERSION_ACTUAL;
14166
14167       CopyPlayfield(level.field, TileBackup);
14168       CopyPlayfield(Tile, level.field);
14169
14170       CopyNativeLevel_RND_to_Native(&level);
14171
14172       UnmapLevelEditorGadgets();
14173       UndrawSpecialEditorDoor();
14174
14175       CloseDoor(DOOR_CLOSE_ALL);
14176
14177       // needed before playing if editor playfield area has different size
14178       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14179
14180       // redraw_mask = REDRAW_ALL;
14181
14182       level_editor_test_game = TRUE;
14183
14184       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14185
14186       break;
14187
14188     case GADGET_ID_EXIT:
14189       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14190       break;
14191
14192     default:
14193       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14194           id <= GADGET_ID_ELEMENTLIST_LAST)
14195       {
14196         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14197         int new_element = editor_elements[element_position + element_shift];
14198
14199         if (IS_EDITOR_CASCADE(new_element))
14200         {
14201           int i;
14202
14203           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14204           {
14205             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14206             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14207
14208             if (*cascade_element == new_element)
14209             {
14210               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14211               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14212
14213               // update element selection list
14214               ReinitializeElementList();
14215               ModifyEditorElementList();
14216
14217               // update cascading gadget info text
14218               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14219
14220               // save current editor cascading state
14221               SaveSetup_EditorCascade();
14222
14223               break;
14224             }
14225           }
14226
14227           break;
14228         }
14229
14230         if (last_custom_copy_mode != -1)
14231         {
14232           if (CopyCustomElement(properties_element, new_element,
14233                                 last_custom_copy_mode))
14234           {
14235             ClickOnGadget(level_editor_gadget[last_drawing_function],
14236                           MB_LEFTBUTTON);
14237
14238             last_custom_copy_mode = -1;
14239           }
14240
14241           break;
14242         }
14243
14244         // change element of button used to show palette
14245         if (editor.palette.show_on_element_buttons)
14246           button = last_button;
14247
14248         PickDrawingElement(button, new_element);
14249
14250         if (!stick_element_properties_window &&
14251             drawing_function != GADGET_ID_PICK_ELEMENT &&
14252             !(GetKeyModState() & KMOD_Control))
14253         {
14254           properties_element = new_element;
14255           if (edit_mode == ED_MODE_PROPERTIES)
14256             DrawPropertiesWindow();
14257         }
14258
14259         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14260           ClickOnGadget(level_editor_gadget[last_drawing_function],
14261                         MB_LEFTBUTTON);
14262
14263         if (!use_permanent_palette)
14264           ChangeEditModeWindow(last_edit_mode);
14265       }
14266 #ifdef DEBUG
14267       else if (gi->event.type == GD_EVENT_PRESSED)
14268         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14269       else if (gi->event.type == GD_EVENT_RELEASED)
14270         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14271       else if (gi->event.type == GD_EVENT_MOVING)
14272         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14273       else
14274         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14275 #endif
14276       break;
14277   }
14278 }
14279
14280 void HandleLevelEditorKeyInput(Key key)
14281 {
14282   char letter = getCharFromKey(key);
14283
14284   if (drawing_function == GADGET_ID_TEXT &&
14285       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14286   {
14287     if (letter)
14288       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14289     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14290       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14291     else if (key == KSYM_Return)
14292       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14293     else if (key == KSYM_Escape)
14294       DrawLevelText(0, 0, 0, TEXT_END);
14295
14296     return;
14297   }
14298
14299   int id = GADGET_ID_NONE;
14300   int new_element_shift = element_shift;
14301   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14302   int button = MB_LEFTBUTTON;
14303   int i;
14304
14305   switch (key)
14306   {
14307     case KSYM_Left:
14308       id = GADGET_ID_SCROLL_LEFT;
14309       break;
14310     case KSYM_Right:
14311       id = GADGET_ID_SCROLL_RIGHT;
14312       break;
14313     case KSYM_Up:
14314       id = GADGET_ID_SCROLL_UP;
14315       break;
14316     case KSYM_Down:
14317       id = GADGET_ID_SCROLL_DOWN;
14318       break;
14319
14320     case KSYM_Page_Up:
14321     case KSYM_Page_Down:
14322       step *= (key == KSYM_Page_Up ? -1 : +1);
14323       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14324
14325       if (element_shift < 0)
14326         element_shift = 0;
14327       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14328         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14329
14330       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14331                    GDI_SCROLLBAR_ITEM_POSITION,
14332                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14333
14334       ModifyEditorElementList();
14335
14336       break;
14337
14338     case KSYM_Home:
14339     case KSYM_End:
14340       element_shift = (key == KSYM_Home ? 0 :
14341                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14342
14343       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14344                    GDI_SCROLLBAR_ITEM_POSITION,
14345                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14346
14347       ModifyEditorElementList();
14348
14349       break;
14350
14351     case KSYM_Insert:
14352     case KSYM_Delete:
14353
14354       // this is needed to prevent interference with running "True X-Mouse"
14355       if (GetKeyModStateFromEvents() & KMOD_Control)
14356         break;
14357
14358       // check for last or next editor cascade block in element list
14359       for (i = 0; i < num_editor_elements; i++)
14360       {
14361         if ((key == KSYM_Insert && i == element_shift) ||
14362             (key == KSYM_Delete && new_element_shift > element_shift))
14363           break;
14364
14365         // jump to next cascade block (or to start of element list)
14366         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14367           new_element_shift = i;
14368       }
14369
14370       if (i < num_editor_elements)
14371         element_shift = new_element_shift;
14372
14373       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14374         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14375
14376       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14377                    GDI_SCROLLBAR_ITEM_POSITION,
14378                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14379
14380       ModifyEditorElementList();
14381
14382       break;
14383
14384     case KSYM_Escape:
14385       if (edit_mode == ED_MODE_DRAWING)
14386         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14387       else if (edit_mode == ED_MODE_INFO)
14388         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14389       else if (edit_mode == ED_MODE_PROPERTIES)
14390         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14391       else if (edit_mode == ED_MODE_PALETTE)
14392         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14393       else              // should never happen
14394         ChangeEditModeWindow(ED_MODE_DRAWING);
14395
14396       break;
14397
14398     default:
14399       break;
14400   }
14401
14402   if (id != GADGET_ID_NONE)
14403     ClickOnGadget(level_editor_gadget[id], button);
14404   else if (letter == '1' || letter == '?')
14405     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14406   else if (letter == '2')
14407     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14408   else if (letter == '3')
14409     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14410   else if (letter == '.')
14411     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14412   else if (letter == 'U')
14413     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14414   else if (letter == '-' || key == KSYM_KP_Subtract)
14415     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14416   else if (letter == '0' || key == KSYM_KP_0)
14417     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14418   else if (letter == '+' || key == KSYM_KP_Add ||
14419            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14420     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14421   else if (key == KSYM_Return ||
14422            key == KSYM_space ||
14423            key == setup.shortcut.toggle_pause)
14424     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14425   else
14426     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14427       if (letter && letter == controlbutton_info[i].shortcut)
14428         if (!anyTextGadgetActive())
14429           ClickOnGadget(level_editor_gadget[i], button);
14430 }
14431
14432 static void HandleLevelEditorIdle_Properties(void)
14433 {
14434   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14435   int x = editor.settings.element_graphic.x + element_border;
14436   int y = editor.settings.element_graphic.y + element_border;
14437   static unsigned int action_delay = 0;
14438   unsigned int action_delay_value = GameFrameDelay;
14439   int i;
14440
14441   if (!DelayReached(&action_delay, action_delay_value))
14442     return;
14443
14444   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14445   {
14446     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14447
14448     if (gi->mapped && gi->active && gi->selectbox.open)
14449       return;
14450   }
14451
14452   DrawEditorElementAnimation(SX + x, SY + y);
14453
14454   redraw_mask |= REDRAW_FIELD;
14455
14456   FrameCounter++;       // increase animation frame counter
14457 }
14458
14459 static void HandleLevelEditorIdle_Drawing(void)
14460 {
14461   static boolean last_highlighted = FALSE;
14462   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14463
14464   if (highlighted != last_highlighted)
14465   {
14466     DrawAreaElementHighlight(highlighted);
14467
14468     last_highlighted = highlighted;
14469
14470     redraw_mask |= REDRAW_FIELD;
14471   }
14472 }
14473
14474 void HandleLevelEditorIdle(void)
14475 {
14476   if (edit_mode == ED_MODE_PROPERTIES)
14477     HandleLevelEditorIdle_Properties();
14478   else if (edit_mode == ED_MODE_DRAWING)
14479     HandleLevelEditorIdle_Drawing();
14480 }
14481
14482 static void ClearEditorGadgetInfoText(void)
14483 {
14484   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14485 }
14486
14487 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14488 {
14489   char infotext[MAX_OUTPUT_LINESIZE + 1];
14490   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14491   int max_infotext_len = getMaxInfoTextLength();
14492
14493   if (gi == NULL || strlen(gi->info_text) == 0)
14494     return;
14495
14496   strncpy(infotext, gi->info_text, max_infotext_len);
14497   infotext[max_infotext_len] = '\0';
14498
14499   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14500   {
14501     int key = controlbutton_info[gi->custom_id].shortcut;
14502
14503     if (key)
14504     {
14505       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14506         sprintf(shortcut, " ('.' or '%c')", key);
14507       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14508         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14509       else if (gi->custom_id == GADGET_ID_TEST)
14510         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14511       else if (gi->custom_id == GADGET_ID_UNDO)
14512         sprintf(shortcut, " ('%c/Shift-U')", key);
14513       else if (gi->custom_id == GADGET_ID_ZOOM)
14514         sprintf(shortcut, " ('%c', '0', '-')", key);
14515       else
14516         sprintf(shortcut, " ('%s%c')",
14517                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14518
14519       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14520         strcat(infotext, shortcut);
14521     }
14522   }
14523
14524   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14525 }
14526
14527 void HandleEditorGadgetInfoText(void *ptr)
14528 {
14529   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14530
14531   if (game_status != GAME_MODE_EDITOR)
14532     return;
14533
14534   ClearEditorGadgetInfoText();
14535
14536   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14537     return;
14538
14539   // misuse this function to delete brush cursor, if needed
14540   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14541     DeleteBrushFromCursor();
14542
14543   PrintEditorGadgetInfoText(gi);
14544 }
14545
14546 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14547 {
14548   static int start_lx, start_ly;
14549   int id = gi->custom_id;
14550   int type_id = gi->custom_type_id;
14551   int sx = gi->event.x;
14552   int sy = gi->event.y;
14553   int lx = sx + level_xpos;
14554   int ly = sy + level_ypos;
14555   int min_sx = 0, min_sy = 0;
14556   int max_sx = gi->drawing.area_xsize - 1;
14557   int max_sy = gi->drawing.area_ysize - 1;
14558   int actual_drawing_function = drawing_function;
14559   int max_infotext_len = getMaxInfoTextLength();
14560   char infotext[MAX_OUTPUT_LINESIZE + 1];
14561   char *text;
14562
14563   infotext[0] = '\0';           // start with empty info text
14564
14565   // pressed Control key: simulate picking element
14566   if (GetKeyModState() & KMOD_Control)
14567     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14568
14569   ClearEditorGadgetInfoText();
14570
14571   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14572     return;
14573
14574   // make sure to stay inside drawing area boundaries
14575   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14576   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14577
14578   if (id == GADGET_ID_DRAWING_LEVEL)
14579   {
14580     if (button_status)
14581     {
14582       int min_lx = 0, min_ly = 0;
14583       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14584
14585       // get positions inside level field
14586       lx = sx + level_xpos;
14587       ly = sy + level_ypos;
14588
14589       // make sure to stay inside level field boundaries
14590       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14591       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14592
14593       // correct drawing area positions accordingly
14594       sx = lx - level_xpos;
14595       sy = ly - level_ypos;
14596     }
14597
14598     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14599     {
14600       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14601       {
14602         if (gi->event.type == GD_EVENT_PRESSED)
14603         {
14604           start_lx = lx;
14605           start_ly = ly;
14606         }
14607
14608         switch (actual_drawing_function)
14609         {
14610           case GADGET_ID_SINGLE_ITEMS:
14611             text = "Drawing single items";
14612             break;
14613           case GADGET_ID_CONNECTED_ITEMS:
14614             text = "Drawing connected items";
14615             break;
14616           case GADGET_ID_LINE:
14617             text = "Drawing line";
14618             break;
14619           case GADGET_ID_ARC:
14620             text = "Drawing arc";
14621             break;
14622           case GADGET_ID_TEXT:
14623             text = "Setting text cursor";
14624             break;
14625           case GADGET_ID_RECTANGLE:
14626             text = "Drawing rectangle";
14627             break;
14628           case GADGET_ID_FILLED_BOX:
14629             text = "Drawing filled box";
14630             break;
14631           case GADGET_ID_FLOOD_FILL:
14632             text = "Flood fill";
14633             break;
14634           case GADGET_ID_GRAB_BRUSH:
14635             text = "Grabbing brush";
14636             break;
14637           case GADGET_ID_PICK_ELEMENT:
14638             text = "Picking element";
14639             break;
14640
14641           default:
14642             text = "Drawing position";
14643             break;
14644         }
14645
14646         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14647           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14648         else
14649           sprintf(infotext, "%s: %d, %d", text,
14650                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14651       }
14652       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14653         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14654       else
14655         sprintf(infotext, "Level position: %d, %d", lx, ly);
14656     }
14657
14658     // misuse this function to draw brush cursor, if needed
14659     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14660     {
14661       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14662         CopyBrushToCursor(sx, sy);
14663       else
14664         DeleteBrushFromCursor();
14665     }
14666
14667     if (!draw_with_brush)
14668       UpdateBrushPosition(sx, sy);
14669   }
14670   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14671   {
14672     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14673     int element = drawingarea_info[type_id].value[pos];
14674
14675     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14676   }
14677   else
14678   {
14679     if (id == GADGET_ID_CUSTOM_CONTENT)
14680       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14681     else if (id == GADGET_ID_GROUP_CONTENT)
14682       sprintf(infotext, "group element position: %d", sx + 1);
14683     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14684              id <= GADGET_ID_YAMYAM_CONTENT_7)
14685       sprintf(infotext, "content area %d position: %d, %d",
14686               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14687     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14688              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14689       sprintf(infotext, "content area %d position: %d, %d",
14690               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14691     else if (id == GADGET_ID_ANDROID_CONTENT)
14692       sprintf(infotext, "android element position: %d", sx + 1);
14693     else if (drawingarea_info[type_id].infotext != NULL)
14694       strcpy(infotext, drawingarea_info[type_id].infotext);
14695   }
14696
14697   infotext[max_infotext_len] = '\0';
14698
14699   if (strlen(infotext) > 0)
14700     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14701 }
14702
14703 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14704                             boolean quick_quit)
14705 {
14706   if (!ask_if_level_has_changed ||
14707       !LevelChanged() ||
14708       Request("Level has changed! Exit without saving?",
14709               REQ_ASK | REQ_STAY_OPEN))
14710   {
14711     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14712     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14713
14714     // draw normal door
14715     UndrawSpecialEditorDoor();
14716
14717     // use door animation if door 1 viewport is unchanged and contains toolbox
14718     if (useEditorDoorAnimation())
14719       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14720
14721     // close editor doors if viewport definition is the same as in main menu
14722     if (vp_door_1->x      == DX     &&
14723         vp_door_1->y      == DY     &&
14724         vp_door_1->width  == DXSIZE &&
14725         vp_door_1->height == DYSIZE &&
14726         vp_door_2->x      == VX     &&
14727         vp_door_2->y      == VY     &&
14728         vp_door_2->width  == VXSIZE &&
14729         vp_door_2->height == VYSIZE)
14730       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14731     else
14732       SetDoorState(DOOR_CLOSE_2);
14733
14734     BackToFront();
14735
14736     if (quick_quit)
14737       FadeSkipNextFadeIn();
14738
14739     SetGameStatus(GAME_MODE_MAIN);
14740
14741     DrawMainMenu();
14742   }
14743   else
14744   {
14745     if (!global.use_envelope_request)
14746     {
14747       CloseDoor(DOOR_CLOSE_1);
14748       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14749     }
14750   }
14751 }