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