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_XPOS           SX
 350 #define INFOTEXT_YPOS           (SY + SYSIZE - INFOTEXT_YSIZE)
 351
 352
 353 /*
 354   -----------------------------------------------------------------------------
 355   editor gadget definitions
 356   -----------------------------------------------------------------------------
 357 */
 358
 359 /* drawing toolbox buttons */
 360 #define GADGET_ID_NONE                  -1
 361 #define GADGET_ID_TOOLBOX_FIRST         0
 362
 363 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 364 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 365 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 366 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 367 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 368 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 369 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 370 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 371 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 372 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 373 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 374 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 375 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 376 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 377 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 378 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 379
 380 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 381 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 382 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 383 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 384 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 385 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 386
 387 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 388 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 389 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 390 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 391 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 392
 393 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 394 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 395 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 396 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 397 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 398
 399 /* counter gadget identifiers */
 400 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 401
 402 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 403 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 404 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 405 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 406 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 407 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 408 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 409 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 410 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 411 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 412 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 413 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 414 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 415 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 416 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 417 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 418 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 419 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 420 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 421 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 422 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 423 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 424 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 425 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 426 #define GADGET_ID_LEVELSET_NUM_LEVELS_DOWN (GADGET_ID_COUNTER_FIRST + 24)
 427 #define GADGET_ID_LEVELSET_NUM_LEVELS_TEXT (GADGET_ID_COUNTER_FIRST + 25)
 428 #define GADGET_ID_LEVELSET_NUM_LEVELS_UP   (GADGET_ID_COUNTER_FIRST + 26)
 429 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 430 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 431 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 29)
 432 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 433 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 434 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 32)
 435 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 436 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 437 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 35)
 438 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 439 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 440 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 38)
 441 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 442 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 443 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 41)
 444 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 42)
 445 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 43)
 446 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 44)
 447 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 45)
 448 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 46)
 449 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 47)
 450 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 451 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 452 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 453 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 454 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 455 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 456 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 457 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 458 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 56)
 459 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 57)
 460 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 58)
 461 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 59)
 462 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 60)
 463 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 61)
 464 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 62)
 465 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 466 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 467 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 65)
 468 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 66)
 469 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 67)
 470 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 68)
 471 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 472 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 473 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 71)
 474 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 475 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 476 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 74)
 477 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 478 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 479 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 77)
 480 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 481 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 482 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 80)
 483 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 484 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 485 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 83)
 486 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 84)
 487 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 85)
 488 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 86)
 489 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 87)
 490 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 88)
 491 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 89)
 492 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 90)
 493 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 91)
 494 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 92)
 495 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 496 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 497 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 95)
 498 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 96)
 499 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 97)
 500 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 98)
 501 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 99)
 502 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 100)
 503 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 101)
 504 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 102)
 505 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 103)
 506 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 104)
 507
 508 /* drawing area identifiers */
 509 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 105)
 510
 511 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 512 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 513 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 514 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 515 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 516 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 517 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 518 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 519 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 520 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 521 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 522 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 523 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 525 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 526 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 527 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 528 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 529 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 530 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 531 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 532 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 533 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 534 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 535 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 536 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 537 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 538 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 539 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 540 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 541 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 542 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 543 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 544
 545 /* text input identifiers */
 546 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 547
 548 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 549 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 550 #define GADGET_ID_LEVELSET_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 2)
 551 #define GADGET_ID_LEVELSET_AUTHOR       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 552 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 4)
 553
 554 /* text area identifiers */
 555 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 5)
 556
 557 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 558
 559 /* selectbox identifiers */
 560 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 561
 562 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 563 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 564 #define GADGET_ID_LEVELSET_SAVE_MODE    (GADGET_ID_SELECTBOX_FIRST + 2)
 565 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 3)
 566 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 4)
 567 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 5)
 568 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 6)
 569 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 7)
 570 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 8)
 571 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 9)
 572 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 10)
 573 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 11)
 574 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 12)
 575 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 13)
 576 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 14)
 577 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 15)
 578 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 16)
 579 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 17)
 580 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 18)
 581 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 19)
 582 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 20)
 583 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 21)
 584 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 22)
 585 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 23)
 586 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 24)
 587 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 25)
 588 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 26)
 589 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 27)
 590 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 28)
 591 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 29)
 592
 593 /* textbutton identifiers */
 594 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 30)
 595
 596 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 597 #define GADGET_ID_LEVELINFO_LEVELSET    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 598 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 2)
 599 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 600 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 601 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 602 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 603 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 7)
 604 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 605 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 9)
 606 #define GADGET_ID_SAVE_LEVELSET         (GADGET_ID_TEXTBUTTON_FIRST + 10)
 607 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 11)
 608 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 12)
 609
 610 /* graphicbutton identifiers */
 611 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 13)
 612
 613 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 614 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 615 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 616 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 617
 618 /* gadgets for scrolling of drawing area */
 619 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 620
 621 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 622 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 623 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 624 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 625 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 626 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 627
 628 /* gadgets for scrolling element list */
 629 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 630
 631 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 632 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 633 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 634
 635 /* checkbuttons/radiobuttons for level/element properties */
 636 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 637
 638 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 639 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 640 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 641 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 642 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 643 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 644 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 645 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 646 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 647 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 648 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 649 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 650 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 651 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 652 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 653 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 654 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 655 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 656 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 657 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 658 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 659 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 660 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 661 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 662 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 663 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 664 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 665 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 666 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 667 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 668 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 669 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 670 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 671 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 672 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 673 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 674 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 675 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 676 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 677 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 678 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 679 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 680 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 681 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 682 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 683 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 684 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 685 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 686 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 687 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 688 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 689 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 690 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 691 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 692 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 693 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 694 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 695 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 696 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 697 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 698 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 699 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 700 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 701 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 702
 703 /* gadgets for buttons in element list */
 704 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 705 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 706                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 707
 708 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 709
 710 /* radio button numbers */
 711 #define RADIO_NR_NONE                   0
 712 #define RADIO_NR_DRAWING_TOOLBOX        1
 713 #define RADIO_NR_RANDOM_ELEMENTS        2
 714
 715 /* values for counter gadgets */
 716 #define ED_COUNTER_ID_SELECT_LEVEL      0
 717 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 718 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 719 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 720 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 721 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 722 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 723 #define ED_COUNTER_ID_LEVELSET_NUM_LEVELS 7
 724 #define ED_COUNTER_ID_LEVEL_RANDOM      8
 725 #define ED_COUNTER_ID_ELEMENT_VALUE1    9
 726 #define ED_COUNTER_ID_ELEMENT_VALUE2    10
 727 #define ED_COUNTER_ID_ELEMENT_VALUE3    11
 728 #define ED_COUNTER_ID_ELEMENT_VALUE4    12
 729 #define ED_COUNTER_ID_YAMYAM_CONTENT    13
 730 #define ED_COUNTER_ID_BALL_CONTENT      14
 731 #define ED_COUNTER_ID_ANDROID_CONTENT   15
 732 #define ED_COUNTER_ID_ENVELOPE_XSIZE    16
 733 #define ED_COUNTER_ID_ENVELOPE_YSIZE    17
 734 #define ED_COUNTER_ID_INVENTORY_SIZE    18
 735 #define ED_COUNTER_ID_CUSTOM_SCORE      19
 736 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   20
 737 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  21
 738 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  22
 739 #define ED_COUNTER_ID_PUSH_DELAY_FIX    23
 740 #define ED_COUNTER_ID_PUSH_DELAY_RND    24
 741 #define ED_COUNTER_ID_DROP_DELAY_FIX    25
 742 #define ED_COUNTER_ID_DROP_DELAY_RND    26
 743 #define ED_COUNTER_ID_MOVE_DELAY_FIX    27
 744 #define ED_COUNTER_ID_MOVE_DELAY_RND    28
 745 #define ED_COUNTER_ID_EXPLOSION_DELAY   29
 746 #define ED_COUNTER_ID_IGNITION_DELAY    30
 747 #define ED_COUNTER_ID_GROUP_CONTENT     31
 748 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  32
 749 #define ED_COUNTER_ID_CHANGE_DELAY_RND  33
 750 #define ED_COUNTER_ID_CHANGE_CONT_RND   34
 751
 752 #define ED_NUM_COUNTERBUTTONS           35
 753
 754 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 755 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 756 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 757 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 758 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 759 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 760
 761 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 762 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 763 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 764 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 765 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 766 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 767
 768 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 769 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 770
 771 /* values for scrollbutton gadgets */
 772 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 773 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 774 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 775 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 776 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 777 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 778
 779 #define ED_NUM_SCROLLBUTTONS            6
 780
 781 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 782 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 783
 784 /* values for scrollbar gadgets */
 785 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 786 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 787 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 788
 789 #define ED_NUM_SCROLLBARS               3
 790
 791 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 792 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 793
 794 /* values for text input gadgets */
 795 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 796 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 797 #define ED_TEXTINPUT_ID_LEVELSET_NAME   2
 798 #define ED_TEXTINPUT_ID_LEVELSET_AUTHOR 3
 799 #define ED_TEXTINPUT_ID_ELEMENT_NAME    4
 800
 801 #define ED_NUM_TEXTINPUT                5
 802
 803 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 804 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 805
 806 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 807 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 808
 809 /* values for text area gadgets */
 810 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 811
 812 #define ED_NUM_TEXTAREAS                        1
 813
 814 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 815 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 816
 817 /* values for selectbox gadgets */
 818 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 819 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 820 #define ED_SELECTBOX_ID_LEVELSET_SAVE_MODE      2
 821 #define ED_SELECTBOX_ID_WIND_DIRECTION          3
 822 #define ED_SELECTBOX_ID_PLAYER_SPEED            4
 823 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      5
 824 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     6
 825 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 7
 826 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 8
 827 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   9
 828 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     10
 829 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   11
 830 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    12
 831 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  13
 832 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    14
 833 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    15
 834 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       16
 835 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   17
 836 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       18
 837 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    19
 838 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     20
 839 #define ED_SELECTBOX_ID_CHANGE_SIDE             21
 840 #define ED_SELECTBOX_ID_CHANGE_PLAYER           22
 841 #define ED_SELECTBOX_ID_CHANGE_PAGE             23
 842 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     24
 843 #define ED_SELECTBOX_ID_ACTION_TYPE             25
 844 #define ED_SELECTBOX_ID_ACTION_MODE             26
 845 #define ED_SELECTBOX_ID_ACTION_ARG              27
 846 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      28
 847 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       29
 848
 849 #define ED_NUM_SELECTBOX                        30
 850
 851 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 852 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 853
 854 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 855 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 856
 857 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 858 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 859 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 860 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 861 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 862 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 863
 864 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 865 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 866
 867 /* values for textbutton gadgets */
 868 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 869 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET     1
 870 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       2
 871 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        3
 872 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      4
 873 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    5
 874 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    6
 875 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      7
 876 #define ED_TEXTBUTTON_ID_SAVE_LEVELSET          8
 877 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     9
 878 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     10
 879 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        11
 880 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        12
 881
 882 #define ED_NUM_TEXTBUTTONS                      13
 883
 884 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 885 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 886
 887 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 888 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 889
 890 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 891 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 892
 893 /* values for graphicbutton gadgets */
 894 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 895 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 896 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 897 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 898
 899 #define ED_NUM_GRAPHICBUTTONS                   4
 900
 901 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 902 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 903
 904 /* values for checkbutton gadgets */
 905 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 906 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 907 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 908 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 909 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 910 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 911 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 912 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 913 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 914 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 915 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 916 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 917 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 918 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 919 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 920 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 921 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 922 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 923 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 924 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 925 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 926 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 927 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 928 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 929 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 930 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 931 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 932 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 933 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 934 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 935 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 936 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 937 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 938 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 939 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 940 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 941 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 942 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 943 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 944 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 945 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 946 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 947 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 948 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 949 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 950 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 951 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 952 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 953 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 954 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 955 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 956 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 957 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 958 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 959 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 960 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 961 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 962 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 963 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 964 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 965 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 966 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 967
 968 #define ED_NUM_CHECKBUTTONS                     62
 969
 970 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 971 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 972
 973 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 974 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 975
 976 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 977 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 978 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 979 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 980 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 981 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 982
 983 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 984 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 985
 986 /* values for radiobutton gadgets */
 987 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 988 #define ED_RADIOBUTTON_ID_QUANTITY      1
 989
 990 #define ED_NUM_RADIOBUTTONS             2
 991
 992 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 993 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 994
 995 /* values for drawing area gadgets */
 996 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 997 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 998 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 999 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
1000 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
1001 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
1002 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
1003 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
1004 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
1005 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
1006 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
1007 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
1008 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
1009 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
1010 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
1011 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
1012 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
1013 #define ED_DRAWING_ID_ANDROID_CONTENT           17
1014 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
1015 #define ED_DRAWING_ID_START_ELEMENT             19
1016 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
1017 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
1018 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
1019 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
1020 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
1021 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1022 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1023 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1024 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1025 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1026 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1027 #define ED_DRAWING_ID_GROUP_CONTENT             31
1028 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1029
1030 #define ED_NUM_DRAWING_AREAS                    33
1031
1032 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1033 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1034
1035
1036 /*
1037   -----------------------------------------------------------------------------
1038   some internally used definitions
1039   -----------------------------------------------------------------------------
1040 */
1041
1042 /* values for CopyLevelToUndoBuffer() */
1043 #define UNDO_IMMEDIATE                  0
1044 #define UNDO_ACCUMULATE                 1
1045
1046 /* values for scrollbars */
1047 #define ED_SCROLL_NO                    0
1048 #define ED_SCROLL_LEFT                  1
1049 #define ED_SCROLL_RIGHT                 2
1050 #define ED_SCROLL_UP                    4
1051 #define ED_SCROLL_DOWN                  8
1052
1053 /* screens in the level editor */
1054 #define ED_MODE_DRAWING                 0
1055 #define ED_MODE_INFO                    1
1056 #define ED_MODE_PROPERTIES              2
1057 #define ED_MODE_PALETTE                 3
1058
1059 /* sub-screens in the global settings section */
1060 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1061 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1062 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1063
1064 /* sub-screens in the element properties section */
1065 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1066 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1067 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1068 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1069 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1070
1071 /* how many steps can be cancelled */
1072 #define NUM_UNDO_STEPS                  (64 + 1)
1073
1074 /* values for elements with score for certain actions */
1075 #define MIN_SCORE                       0
1076 #define MAX_SCORE                       999
1077
1078 /* values for elements with count for collecting */
1079 #define MIN_COLLECT_COUNT               0
1080 #define MAX_COLLECT_COUNT               999
1081
1082 /* values for random placement */
1083 #define RANDOM_USE_PERCENTAGE           0
1084 #define RANDOM_USE_QUANTITY             1
1085
1086 /* values for level set save mode */
1087 #define LEVELSET_SAVE_MODE_UPDATE       0
1088 #define LEVELSET_SAVE_MODE_CREATE       1
1089
1090 /* default value for element tile size in drawing area */
1091 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1092
1093
1094 /*
1095   -----------------------------------------------------------------------------
1096   some internally used data structure definitions
1097   -----------------------------------------------------------------------------
1098 */
1099
1100 static struct
1101 {
1102   int graphic;
1103   int gadget_id;
1104   struct XYTileSize *pos;
1105   int gadget_type;
1106   char *infotext;
1107   char shortcut;
1108 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1109 {
1110   /* note: some additional characters are already reserved for "cheat mode"
1111      shortcuts (":XYZ" style) -- for details, see "events.c" */
1112
1113   /* ---------- toolbox control buttons ------------------------------------ */
1114
1115   {
1116     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1117     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1118     "draw single items",                        's'
1119   },
1120   {
1121     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1122     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1123     "draw connected items",                     'd'
1124   },
1125   {
1126     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1127     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1128     "draw lines",                               'l'
1129   },
1130   {
1131     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1132     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1133     "draw arcs",                                'a'
1134   },
1135   {
1136     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1137     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1138     "draw outline rectangles",                  'r'
1139   },
1140   {
1141     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1142     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1143     "draw filled rectangles",                   'R'
1144   },
1145   {
1146     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1147     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1148     "wrap (rotate) level up",                   0
1149   },
1150   {
1151     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1152     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1153     "enter text elements",                      't'
1154   },
1155   {
1156     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1157     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1158     "flood fill",                               'f'
1159   },
1160   {
1161     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1162     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1163     "wrap (rotate) level left",                 0
1164   },
1165   {
1166     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1167     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1168     "zoom level tile size",                     '+'
1169   },
1170   {
1171     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1172     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1173     "wrap (rotate) level right",                0
1174   },
1175   {
1176     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1177     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1178     "random element placement",                 0
1179   },
1180   {
1181     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1182     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1183     "grab brush",                               'b'
1184   },
1185   {
1186     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1187     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1188     "wrap (rotate) level down",                 0
1189   },
1190   {
1191     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1192     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1193     "pick drawing element",                     ','
1194   },
1195
1196   /* ---------- level control buttons -------------------------------------- */
1197
1198   {
1199     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1200     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1201     "undo/redo last operation",                 'u'
1202   },
1203   {
1204     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1205     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1206     "properties of level",                      'I'
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1210     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1211     "save level",                               'S'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1215     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1216     "clear level",                              'C'
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1220     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1221     "test level",                               'T'
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1225     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1226     "exit level editor",                        'E'
1227   },
1228
1229   /* ---------- CE and GE control buttons ---------------------------------- */
1230
1231   {
1232     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1233     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1234     "copy settings from other element",         0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1238     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1239     "copy settings to other element",           0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1243     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1244     "exchange element with other element",      0
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1248     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1249     "copy settings from this element",          0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1253     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1254     "paste settings to this element",           0
1255   },
1256
1257   /* ---------- palette control buttons ------------------------------------ */
1258
1259   {
1260     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1261     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1262     "properties of drawing element",            'p'
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1266     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1267     "properties of drawing element 1",          '1'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1271     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1272     "properties of drawing element 2",          '2'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1276     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1277     "properties of drawing element 3",          '3'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1281     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1282     "show list of elements",                    'e'
1283   }
1284 };
1285
1286 static int random_placement_value = 10;
1287 static int random_placement_method = RANDOM_USE_QUANTITY;
1288 static int random_placement_background_element = EL_SAND;
1289 static boolean random_placement_background_restricted = FALSE;
1290 static boolean stick_element_properties_window = FALSE;
1291 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1292 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1293 static struct ElementChangeInfo custom_element_change;
1294 static struct ElementGroupInfo group_element_info;
1295 static struct ElementInfo custom_element;
1296
1297 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1298 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1299 static int levelset_num_levels = 100;
1300 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1301
1302 static struct
1303 {
1304   int x, y;
1305   int min_value, max_value;
1306   int gadget_id_down, gadget_id_up;
1307   int gadget_id_text;
1308   int gadget_id_align;
1309   int *value;
1310   char *text_above, *text_left, *text_right;
1311 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1312 {
1313   /* ---------- current level number --------------------------------------- */
1314
1315   {
1316     -1, -1,     /* these values are not constant, but can change at runtime */
1317     1,                                  100,
1318     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1319     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1320     &level_nr,
1321     NULL,                               NULL, NULL
1322   },
1323
1324   /* ---------- level and editor settings ---------------------------------- */
1325
1326   {
1327     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1328     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1329     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1330     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1331     &level.fieldx,
1332     "playfield size:",                  NULL, "width",
1333   },
1334   {
1335     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1336     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1337     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1338     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1339     &level.fieldy,
1340     NULL,                               " ", "height",
1341   },
1342   {
1343     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1344     0,                                  999,
1345     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1346     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1347     &level.gems_needed,
1348     NULL,                               "number of gems to collect:", NULL
1349   },
1350   {
1351     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1352     0,                                  9999,
1353     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1354     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1355     &level.time,
1356     "time or step limit to solve level:", NULL, NULL
1357   },
1358   {
1359     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1360     0,                                  999,
1361     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1362     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1363     &level.score[SC_TIME_BONUS],
1364     "score for each second/step left:", NULL, NULL
1365   },
1366   {
1367     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1368     0,                                  9999,
1369     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1370     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1371     &level.random_seed,
1372     NULL,                               "random seed:", "(0 => random)"
1373   },
1374   {
1375     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1376     1,                                  MAX_LEVELS,
1377     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1378     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1379     &levelset_num_levels,
1380     "number of levels:",                NULL, NULL,
1381   },
1382   {
1383     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1384     1,                                  100,
1385     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1386     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1387     &random_placement_value,
1388     "random element placement:",        NULL, "in"
1389   },
1390
1391   /* ---------- element settings: configure (various elements) ------------- */
1392
1393   {
1394     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1395     MIN_SCORE,                          MAX_SCORE,
1396     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1397     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1398     NULL,                               /* will be set when used */
1399     NULL,                               NULL, NULL
1400   },
1401   {
1402     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1403     MIN_SCORE,                          MAX_SCORE,
1404     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1405     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1406     NULL,                               /* will be set when used */
1407     NULL,                               NULL, NULL
1408   },
1409   {
1410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1411     MIN_SCORE,                          MAX_SCORE,
1412     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1413     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1414     NULL,                               /* will be set when used */
1415     NULL,                               NULL, NULL
1416   },
1417   {
1418     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1419     MIN_SCORE,                          MAX_SCORE,
1420     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1421     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1422     NULL,                               /* will be set when used */
1423     NULL,                               NULL, NULL
1424   },
1425   {
1426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1427     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1428     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1429     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1430     &level.num_yamyam_contents,
1431     NULL,                               NULL, "number of content areas"
1432   },
1433   {
1434     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1435     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1436     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1437     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1438     &level.num_ball_contents,
1439     NULL,                               NULL, "number of content areas"
1440   },
1441   {
1442     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1443     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1444     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1445     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1446     &level.num_android_clone_elements,
1447     NULL,                               NULL, "number of clonable elements"
1448   },
1449   {
1450     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1451     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1452     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1453     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1454     NULL,                               /* will be set when used */
1455     NULL,                               NULL, "width",
1456   },
1457   {
1458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1459     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1460     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1461     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1462     NULL,                               /* will be set when used */
1463     NULL,                               " ", "height",
1464   },
1465   {
1466     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1467     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1468     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1469     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1470     &level.initial_inventory_size[0],
1471     NULL,                               NULL, "number of inventory elements"
1472   },
1473
1474   /* ---------- element settings: configure 1 (custom elements) ------------ */
1475
1476   {
1477     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1478     MIN_SCORE,                          MAX_SCORE,
1479     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1480     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1481     &custom_element.collect_score_initial,
1482     NULL,                               "CE score", " "
1483   },
1484   {
1485     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1486     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1487     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1488     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1489     &custom_element.collect_count_initial,
1490     NULL,                               "CE count", NULL
1491   },
1492   {
1493     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1494     0,                                  9999,
1495     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1496     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1497     &custom_element.ce_value_fixed_initial,
1498     NULL,                               "CE value", NULL
1499   },
1500   {
1501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1502     0,                                  9999,
1503     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1504     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1505     &custom_element.ce_value_random_initial,
1506     NULL,                               "+random", NULL
1507   },
1508   {
1509     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1510     0,                                  999,
1511     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1512     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1513     &custom_element.push_delay_fixed,
1514     NULL,                               "push delay", NULL
1515   },
1516   {
1517     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1518     0,                                  999,
1519     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1520     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1521     &custom_element.push_delay_random,
1522     NULL,                               "+random", NULL
1523   },
1524   {
1525     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1526     0,                                  999,
1527     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1528     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1529     &custom_element.drop_delay_fixed,
1530     NULL,                               "drop delay", NULL
1531   },
1532   {
1533     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1534     0,                                  999,
1535     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1536     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1537     &custom_element.drop_delay_random,
1538     NULL,                               "+random", NULL
1539   },
1540
1541   /* ---------- element settings: configure 2 (custom elements) ------------ */
1542
1543   {
1544     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1545     0,                                  999,
1546     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1547     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1548     &custom_element.move_delay_fixed,
1549     NULL,                               "move delay", NULL
1550   },
1551   {
1552     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1553     0,                                  999,
1554     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1555     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1556     &custom_element.move_delay_random,
1557     NULL,                               "+random", NULL
1558   },
1559   {
1560     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1561     0,                                  999,
1562     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1563     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1564     &custom_element.explosion_delay,
1565     NULL,                               "explosion delay", NULL
1566   },
1567   {
1568     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1569     0,                                  999,
1570     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1571     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1572     &custom_element.ignition_delay,
1573     NULL,                               "ignition delay", "(by fire)"
1574   },
1575
1576   /* ---------- element settings: configure (group elements) --------------- */
1577
1578   {
1579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1580     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1581     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1582     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1583     &group_element_info.num_elements,
1584     NULL,                               NULL, "number of elements in group"
1585   },
1586
1587   /* ---------- element settings: advanced (custom elements) --------------- */
1588
1589   {
1590     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1591     0,                                  999,
1592     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1593     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1594     &custom_element_change.delay_fixed,
1595     NULL,                               "CE delay", NULL,
1596   },
1597   {
1598     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1599     0,                                  999,
1600     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1601     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1602     &custom_element_change.delay_random,
1603     NULL,                               "+random", NULL
1604   },
1605   {
1606     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1607     0,                                  100,
1608     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1609     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1610     &custom_element_change.random_percentage,
1611     NULL,                               "use random replace:", "%"
1612   },
1613 };
1614
1615 static struct
1616 {
1617   int x, y;
1618   int gadget_id;
1619   int size;
1620   char *value;
1621   char *text_above, *infotext;
1622 } textinput_info[ED_NUM_TEXTINPUT] =
1623 {
1624   {
1625     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1626     GADGET_ID_LEVEL_NAME,
1627     MAX_LEVEL_NAME_LEN,
1628     level.name,
1629     "Title:", "Title for this level"
1630   },
1631   {
1632     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1633     GADGET_ID_LEVEL_AUTHOR,
1634     MAX_LEVEL_AUTHOR_LEN,
1635     level.author,
1636     "Author:", "Author for this level"
1637   },
1638   {
1639     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1640     GADGET_ID_LEVELSET_NAME,
1641     MAX_LEVEL_NAME_LEN,
1642     levelset_name,
1643     "Title:", "Title for this or new level set"
1644   },
1645   {
1646     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1647     GADGET_ID_LEVELSET_AUTHOR,
1648     MAX_LEVEL_AUTHOR_LEN,
1649     levelset_author,
1650     "Author:", "Author for this or new level set"
1651   },
1652   {
1653     -1, -1,     /* these values are not constant, but can change at runtime */
1654     GADGET_ID_ELEMENT_NAME,
1655     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1656     custom_element.description,
1657     NULL, "Element name"
1658   }
1659 };
1660
1661 static struct
1662 {
1663   int x, y;
1664   int gadget_id;
1665   int xsize, ysize;
1666   char *value;
1667   char *text_above, *infotext;
1668 } textarea_info[ED_NUM_TEXTAREAS] =
1669 {
1670   {
1671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1672     GADGET_ID_ENVELOPE_INFO,
1673     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1674     NULL,
1675     "Envelope Content:", "Envelope Content"
1676   }
1677 };
1678
1679 static struct ValueTextInfo options_time_or_steps[] =
1680 {
1681   { 0,                          "seconds"                       },
1682   { 1,                          "steps"                         },
1683
1684   { -1,                         NULL                            }
1685 };
1686
1687 static struct ValueTextInfo options_game_engine_type[] =
1688 {
1689   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1690   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1691   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1692   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1693
1694   { -1,                         NULL                            }
1695 };
1696
1697 static struct ValueTextInfo options_levelset_save_mode[] =
1698 {
1699   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1700   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1701
1702   { -1,                         NULL                            }
1703 };
1704
1705 static struct ValueTextInfo options_wind_direction[] =
1706 {
1707   { MV_START_NONE,              "none"                          },
1708   { MV_START_LEFT,              "left"                          },
1709   { MV_START_RIGHT,             "right"                         },
1710   { MV_START_UP,                "up"                            },
1711   { MV_START_DOWN,              "down"                          },
1712
1713   { -1,                         NULL                            }
1714 };
1715
1716 static struct ValueTextInfo options_player_speed[] =
1717 {
1718   { 0,                          "frozen"                        },
1719   { 1,                          "very slow"                     },
1720   { 2,                          "slow"                          },
1721   { 4,                          "normal"                        },
1722   { 8,                          "fast"                          },
1723   { 16,                         "very fast"                     },
1724   { 32,                         "ultrafast"                     },
1725
1726   { -1,                         NULL                            }
1727 };
1728
1729 static struct ValueTextInfo options_access_type[] =
1730 {
1731   { EP_WALKABLE,                "walkable"                      },
1732   { EP_PASSABLE,                "passable"                      },
1733
1734   { -1,                         NULL                            }
1735 };
1736
1737 static struct ValueTextInfo options_access_layer[] =
1738 {
1739   { EP_ACCESSIBLE_OVER,         "over"                          },
1740   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1741   { EP_ACCESSIBLE_UNDER,        "under"                         },
1742
1743   { -1,                         NULL                            }
1744 };
1745
1746 static struct ValueTextInfo options_access_protected[] =
1747 {
1748   { 0,                          "unprotected"                   },
1749   { 1,                          "protected"                     },
1750
1751   { -1,                         NULL                            }
1752 };
1753
1754 static struct ValueTextInfo options_access_direction[] =
1755 {
1756   { MV_NO_DIRECTION,            "no direction"                  },
1757   { MV_LEFT,                    "left"                          },
1758   { MV_RIGHT,                   "right"                         },
1759   { MV_UP,                      "up"                            },
1760   { MV_DOWN,                    "down"                          },
1761   { MV_LEFT  | MV_UP,           "left + up"                     },
1762   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1763   { MV_RIGHT | MV_UP,           "right + up"                    },
1764   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1765   { MV_HORIZONTAL,              "horizontal"                    },
1766   { MV_VERTICAL,                "vertical"                      },
1767   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1768   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1769   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1770   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1771   { MV_ALL_DIRECTIONS,          "all directions"                },
1772
1773   { -1,                         NULL                            }
1774 };
1775
1776 static struct ValueTextInfo options_walk_to_action[] =
1777 {
1778   { EP_DIGGABLE,                "diggable"                      },
1779   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1780   { EP_DROPPABLE,               "collectible & droppable"       },
1781   { EP_THROWABLE,               "collectible & throwable"       },
1782   { EP_PUSHABLE,                "pushable"                      },
1783
1784   { -1,                         NULL                            }
1785 };
1786
1787 static struct ValueTextInfo options_move_pattern[] =
1788 {
1789   { MV_LEFT,                    "left"                          },
1790   { MV_RIGHT,                   "right"                         },
1791   { MV_UP,                      "up"                            },
1792   { MV_DOWN,                    "down"                          },
1793   { MV_HORIZONTAL,              "horizontal"                    },
1794   { MV_VERTICAL,                "vertical"                      },
1795   { MV_ALL_DIRECTIONS,          "all directions"                },
1796   { MV_WIND_DIRECTION,          "wind direction"                },
1797   { MV_TOWARDS_PLAYER,          "towards player"                },
1798   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1799   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1800   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1801   { MV_TURNING_LEFT,            "turning left"                  },
1802   { MV_TURNING_RIGHT,           "turning right"                 },
1803   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1804   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1805   { MV_TURNING_RANDOM,          "turning random"                },
1806   { MV_MAZE_RUNNER,             "maze runner style"             },
1807   { MV_MAZE_HUNTER,             "maze hunter style"             },
1808   { MV_WHEN_PUSHED,             "when pushed"                   },
1809   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1810
1811   { -1,                         NULL                            }
1812 };
1813
1814 static struct ValueTextInfo options_move_direction[] =
1815 {
1816   { MV_START_AUTOMATIC,         "automatic"                     },
1817   { MV_START_LEFT,              "left"                          },
1818   { MV_START_RIGHT,             "right"                         },
1819   { MV_START_UP,                "up"                            },
1820   { MV_START_DOWN,              "down"                          },
1821   { MV_START_RANDOM,            "random"                        },
1822   { MV_START_PREVIOUS,          "previous"                      },
1823
1824   { -1,                         NULL                            }
1825 };
1826
1827 static struct ValueTextInfo options_move_stepsize[] =
1828 {
1829   { 0,                          "not moving"                    },
1830   { 1,                          "very slow"                     },
1831   { 2,                          "slow"                          },
1832   { 4,                          "normal"                        },
1833   { 8,                          "fast"                          },
1834   { 16,                         "very fast"                     },
1835   { 32,                         "even faster"                   },
1836
1837   { -1,                         NULL                            }
1838 };
1839
1840 static struct ValueTextInfo options_move_leave_type[] =
1841 {
1842   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1843   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1844
1845   { -1,                         NULL                            }
1846 };
1847
1848 static struct ValueTextInfo options_smash_targets[] =
1849 {
1850   { EP_CAN_SMASH_PLAYER,        "player"                        },
1851 #if 0
1852   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1853 #endif
1854   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1855
1856   { -1,                         NULL                            }
1857 };
1858
1859 static struct ValueTextInfo options_slippery_type[] =
1860 {
1861   { SLIPPERY_ANY_RANDOM,        "random"                        },
1862   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1863   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1864   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1865   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1866
1867   { -1,                         NULL                            }
1868 };
1869
1870 static struct ValueTextInfo options_deadliness[] =
1871 {
1872   { EP_DONT_RUN_INTO,           "running into"                  },
1873   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1874   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1875   { EP_DONT_TOUCH,              "touching"                      },
1876
1877   { -1,                         NULL                            }
1878 };
1879
1880 static struct ValueTextInfo options_explosion_type[] =
1881 {
1882   { EXPLODES_3X3,               "3x3"                           },
1883   { EXPLODES_CROSS,             "3+3"                           },
1884   { EXPLODES_1X1,               "1x1"                           },
1885
1886   { -1,                         NULL                            }
1887 };
1888
1889 static struct ValueTextInfo options_time_units[] =
1890 {
1891   { 1,                          "frames"                        },
1892   { FRAMES_PER_SECOND,          "seconds"                       },
1893
1894   { -1,                         NULL                            }
1895 };
1896
1897 static struct ValueTextInfo options_change_direct_action[] =
1898 {
1899   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1900   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1901   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1902   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1903   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1904   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1905   { CE_LEFT_BY_PLAYER,          "left by player"                },
1906   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1907   { CE_SWITCHED,                "switched"                      },
1908   { CE_HITTING_SOMETHING,       "hitting something"             },
1909   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1910 #if 0
1911   { CE_BLOCKED,                 "blocked"                       },
1912 #endif
1913   { CE_IMPACT,                  "impact (on something)"         },
1914   { CE_SMASHED,                 "smashed (from above)"          },
1915 #if 0
1916   { CE_VALUE_CHANGES,           "CE value changes"              },
1917   { CE_SCORE_CHANGES,           "CE score changes"              },
1918 #endif
1919   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1920   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1921
1922   { -1,                         NULL                            }
1923 };
1924
1925 static struct ValueTextInfo options_change_other_action[] =
1926 {
1927   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1928   { CE_PLAYER_PRESSES_X,        "player presses"                },
1929   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1930   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1931   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1932   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1933   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1934   { CE_PLAYER_DIGS_X,           "player digs"                   },
1935   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1936   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1937   { CE_TOUCHING_X,              "touching"                      },
1938   { CE_HITTING_X,               "hitting"                       },
1939   { CE_DIGGING_X,               "digging"                       },
1940   { CE_HIT_BY_X,                "hit by"                        },
1941   { CE_SWITCH_OF_X,             "switch of"                     },
1942   { CE_CHANGE_OF_X,             "change by page of"             },
1943   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1944   { CE_MOVE_OF_X,               "move of"                       },
1945   { CE_CREATION_OF_X,           "creation of"                   },
1946   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1947   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1948   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1949   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1950
1951   { -1,                         NULL                            }
1952 };
1953
1954 static struct ValueTextInfo options_change_trigger_side[] =
1955 {
1956   { CH_SIDE_LEFT,               "left"                          },
1957   { CH_SIDE_RIGHT,              "right"                         },
1958   { CH_SIDE_TOP,                "top"                           },
1959   { CH_SIDE_BOTTOM,             "bottom"                        },
1960   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1961   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1962   { CH_SIDE_ANY,                "any"                           },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_change_trigger_player[] =
1968 {
1969   { CH_PLAYER_1,                "1"                             },
1970   { CH_PLAYER_2,                "2"                             },
1971   { CH_PLAYER_3,                "3"                             },
1972   { CH_PLAYER_4,                "4"                             },
1973   { CH_PLAYER_ANY,              "any"                           },
1974
1975   { -1,                         NULL                            }
1976 };
1977
1978 static struct ValueTextInfo options_change_trigger_page[] =
1979 {
1980   { (1 << 0),                   "1"                             },
1981   { (1 << 1),                   "2"                             },
1982   { (1 << 2),                   "3"                             },
1983   { (1 << 3),                   "4"                             },
1984   { (1 << 4),                   "5"                             },
1985   { (1 << 5),                   "6"                             },
1986   { (1 << 6),                   "7"                             },
1987   { (1 << 7),                   "8"                             },
1988   { (1 << 8),                   "9"                             },
1989   { (1 << 9),                   "10"                            },
1990   { (1 << 10),                  "11"                            },
1991   { (1 << 11),                  "12"                            },
1992   { (1 << 12),                  "13"                            },
1993   { (1 << 13),                  "14"                            },
1994   { (1 << 14),                  "15"                            },
1995   { (1 << 15),                  "16"                            },
1996   { (1 << 16),                  "17"                            },
1997   { (1 << 17),                  "18"                            },
1998   { (1 << 18),                  "19"                            },
1999   { (1 << 19),                  "20"                            },
2000   { (1 << 20),                  "21"                            },
2001   { (1 << 21),                  "22"                            },
2002   { (1 << 22),                  "23"                            },
2003   { (1 << 23),                  "24"                            },
2004   { (1 << 24),                  "25"                            },
2005   { (1 << 25),                  "26"                            },
2006   { (1 << 26),                  "27"                            },
2007   { (1 << 27),                  "28"                            },
2008   { (1 << 28),                  "29"                            },
2009   { (1 << 29),                  "30"                            },
2010   { (1 << 30),                  "31"                            },
2011   { (1 << 31),                  "32"                            },
2012   { CH_PAGE_ANY,                "any"                           },
2013
2014   { -1,                         NULL                            }
2015 };
2016
2017 static struct ValueTextInfo options_change_replace_when[] =
2018 {
2019   { CP_WHEN_EMPTY,              "empty"                         },
2020   { CP_WHEN_WALKABLE,           "walkable"                      },
2021   { CP_WHEN_DIGGABLE,           "diggable"                      },
2022   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2023   { CP_WHEN_REMOVABLE,          "removable"                     },
2024   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2025
2026   { -1,                         NULL                            }
2027 };
2028
2029 static struct ValueTextInfo options_action_type[] =
2030 {
2031   { CA_NO_ACTION,               "no action"                     },
2032   { CA_UNDEFINED,               " "                             },
2033   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2034   { CA_RESTART_LEVEL,           "restart level"                 },
2035   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2036   { CA_SET_LEVEL_TIME,          "set time"                      },
2037   { CA_SET_LEVEL_SCORE,         "set score"                     },
2038   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2039   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2040   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2041   { CA_UNDEFINED,               " "                             },
2042   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2043   { CA_MOVE_PLAYER,             "move player"                   },
2044   { CA_EXIT_PLAYER,             "exit player"                   },
2045   { CA_KILL_PLAYER,             "kill player"                   },
2046   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2047   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2048   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2049   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2050   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2051   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2052   { CA_UNDEFINED,               " "                             },
2053   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2054   { CA_SET_CE_VALUE,            "set CE value"                  },
2055   { CA_SET_CE_SCORE,            "set CE score"                  },
2056   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2057   { CA_UNDEFINED,               " "                             },
2058   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2059   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2060
2061   { -1,                         NULL                            }
2062 };
2063
2064 static struct ValueTextInfo options_action_mode_none[] =
2065 {
2066   { CA_MODE_UNDEFINED,          " "                             },
2067
2068   { -1,                         NULL                            }
2069 };
2070
2071 static struct ValueTextInfo options_action_mode_assign[] =
2072 {
2073   { CA_MODE_SET,                "="                             },
2074
2075   { -1,                         NULL                            }
2076 };
2077
2078 static struct ValueTextInfo options_action_mode_add_remove[] =
2079 {
2080   { CA_MODE_ADD,                "+"                             },
2081   { CA_MODE_SUBTRACT,           "-"                             },
2082
2083   { -1,                         NULL                            }
2084 };
2085
2086 static struct ValueTextInfo options_action_mode_calculate[] =
2087 {
2088   { CA_MODE_SET,                "="                             },
2089   { CA_MODE_ADD,                "+"                             },
2090   { CA_MODE_SUBTRACT,           "-"                             },
2091   { CA_MODE_MULTIPLY,           "*"                             },
2092   { CA_MODE_DIVIDE,             "/"                             },
2093   { CA_MODE_MODULO,             "%"                             },
2094
2095   { -1,                         NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_action_arg_none[] =
2099 {
2100   { CA_ARG_UNDEFINED,           "         "                     },
2101
2102   { -1,                         NULL                            }
2103 };
2104
2105 static struct ValueTextInfo options_action_arg_player[] =
2106 {
2107   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2108   { CA_ARG_PLAYER_1,            "1"                             },
2109   { CA_ARG_PLAYER_2,            "2"                             },
2110   { CA_ARG_PLAYER_3,            "3"                             },
2111   { CA_ARG_PLAYER_4,            "4"                             },
2112   { CA_ARG_PLAYER_ANY,          "any"                           },
2113   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2114   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_action_arg_number[] =
2120 {
2121   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2122   { CA_ARG_0,                   "0"                             },
2123   { CA_ARG_1,                   "1"                             },
2124   { CA_ARG_2,                   "2"                             },
2125   { CA_ARG_3,                   "3"                             },
2126   { CA_ARG_4,                   "4"                             },
2127   { CA_ARG_5,                   "5"                             },
2128   { CA_ARG_10,                  "10"                            },
2129   { CA_ARG_100,                 "100"                           },
2130   { CA_ARG_1000,                "1000"                          },
2131   { CA_ARG_UNDEFINED,           " "                             },
2132   { CA_ARG_NUMBER_MIN,          "min"                           },
2133   { CA_ARG_NUMBER_MAX,          "max"                           },
2134   { CA_ARG_UNDEFINED,           " "                             },
2135   { CA_ARG_NUMBER_RESET,        "reset"                         },
2136   { CA_ARG_UNDEFINED,           " "                             },
2137   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2138   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2139   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2140   { CA_ARG_UNDEFINED,           " "                             },
2141   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2142   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2143   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2144   { CA_ARG_UNDEFINED,           " "                             },
2145   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2146   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2147   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2148   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2149   { CA_ARG_UNDEFINED,           " "                             },
2150   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2151   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2152   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2153   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2154
2155   { -1,                         NULL                            }
2156 };
2157
2158 static struct ValueTextInfo options_action_arg_value[] =
2159 {
2160   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2161   { CA_ARG_0,                   "0"                             },
2162   { CA_ARG_1,                   "1"                             },
2163   { CA_ARG_2,                   "2"                             },
2164   { CA_ARG_3,                   "3"                             },
2165   { CA_ARG_4,                   "4"                             },
2166   { CA_ARG_5,                   "5"                             },
2167   { CA_ARG_10,                  "10"                            },
2168   { CA_ARG_100,                 "100"                           },
2169   { CA_ARG_1000,                "1000"                          },
2170   { CA_ARG_UNDEFINED,           " "                             },
2171   { CA_ARG_NUMBER_MIN,          "min"                           },
2172   { CA_ARG_NUMBER_MAX,          "max"                           },
2173   { CA_ARG_UNDEFINED,           " "                             },
2174   { CA_ARG_NUMBER_RESET,        "reset"                         },
2175   { CA_ARG_UNDEFINED,           " "                             },
2176   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2177   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2178   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2179   { CA_ARG_UNDEFINED,           " "                             },
2180   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2181   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2182   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2183   { CA_ARG_UNDEFINED,           " "                             },
2184   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2185   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2186   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2187   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2188   { CA_ARG_UNDEFINED,           " "                             },
2189   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2190   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2191   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2192   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2193   { CA_ARG_UNDEFINED,           " "                             },
2194   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2195   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2196   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2197   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2198
2199   { -1,                         NULL                            }
2200 };
2201
2202 static struct ValueTextInfo options_action_arg_envelope[] =
2203 {
2204   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2205   { CA_ARG_1,                   "1"                             },
2206   { CA_ARG_2,                   "2"                             },
2207   { CA_ARG_3,                   "3"                             },
2208   { CA_ARG_4,                   "4"                             },
2209   { CA_ARG_UNDEFINED,           " "                             },
2210   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2211   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2212   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2213   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2214
2215   { -1,                         NULL                            }
2216 };
2217
2218 static struct ValueTextInfo options_action_arg_key[] =
2219 {
2220   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2221   { CA_ARG_1,                   "1"                             },
2222   { CA_ARG_2,                   "2"                             },
2223   { CA_ARG_3,                   "3"                             },
2224   { CA_ARG_4,                   "4"                             },
2225   { CA_ARG_5,                   "5"                             },
2226   { CA_ARG_6,                   "6"                             },
2227   { CA_ARG_7,                   "7"                             },
2228   { CA_ARG_8,                   "8"                             },
2229   { CA_ARG_UNDEFINED,           " "                             },
2230   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2231   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2232   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2233   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2234
2235   { -1,                         NULL                            }
2236 };
2237
2238 static struct ValueTextInfo options_action_arg_speed[] =
2239 {
2240   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2241   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2242   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2243   { CA_ARG_SPEED_SLOW,          "slow"                          },
2244   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2245   { CA_ARG_SPEED_FAST,          "fast"                          },
2246   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2247   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2248   { CA_ARG_UNDEFINED,           " "                             },
2249   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2250   { CA_ARG_SPEED_FASTER,        "faster"                        },
2251   { CA_ARG_UNDEFINED,           " "                             },
2252   { CA_ARG_SPEED_RESET,         "reset"                         },
2253
2254   { -1,                         NULL                            }
2255 };
2256
2257 static struct ValueTextInfo options_action_arg_shield[] =
2258 {
2259   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2260   { CA_ARG_SHIELD_OFF,          "off"                           },
2261   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2262   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2263
2264   { -1,                         NULL                            }
2265 };
2266
2267 static struct ValueTextInfo options_action_arg_artwork[] =
2268 {
2269   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2270   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2271   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2272   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2275
2276   { -1,                         NULL                            }
2277 };
2278
2279 static struct ValueTextInfo options_action_arg_gravity[] =
2280 {
2281   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2282   { CA_ARG_GRAVITY_ON,          "on"                            },
2283   { CA_ARG_GRAVITY_OFF,         "off"                           },
2284   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2285
2286   { -1,                         NULL                            }
2287 };
2288
2289 static struct ValueTextInfo options_action_arg_direction[] =
2290 {
2291   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2292   { CA_ARG_DIRECTION_NONE,      "none"                          },
2293   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2294   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2295   { CA_ARG_DIRECTION_UP,        "up"                            },
2296   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2297   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2298   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2299
2300   { -1,                         NULL                            }
2301 };
2302
2303 static struct ValueTextInfo options_action_arg_scan_mode[] =
2304 {
2305   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2306   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2307   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_action_arg_inventory[] =
2313 {
2314   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2315   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2316   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2317   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2318   { CA_ARG_UNDEFINED,           " "                             },
2319   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2320   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2321   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2322   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2323   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2324   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2325   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2326   { CA_ARG_UNDEFINED,           " "                             },
2327   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2328
2329   { -1,                         NULL                            }
2330 };
2331
2332 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2333 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2334 {
2335   { -1,                         NULL                            }
2336 };
2337
2338 static struct ValueTextInfo options_group_choice_mode[] =
2339 {
2340   { ANIM_RANDOM,                "random"                        },
2341   { ANIM_LOOP,                  "loop"                          },
2342   { ANIM_LINEAR,                "linear"                        },
2343   { ANIM_PINGPONG,              "pingpong"                      },
2344   { ANIM_PINGPONG2,             "pingpong 2"                    },
2345
2346   { -1,                         NULL                            }
2347 };
2348
2349 static struct ValueTextInfo *action_arg_modes[] =
2350 {
2351   options_action_mode_none,
2352   options_action_mode_assign,
2353   options_action_mode_add_remove,
2354   options_action_mode_calculate,
2355 };
2356
2357 static struct
2358 {
2359   int value;
2360   int mode;
2361   struct ValueTextInfo *options;
2362 }
2363 action_arg_options[] =
2364 {
2365   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2366   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2367   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2368   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2369   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2370   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2371   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2372   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2373   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2374   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2375   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2376   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2377   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2378   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2379   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2380   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2381   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2382   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2383   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2384   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2385   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2386
2387   { -1,                         FALSE,  NULL                            }
2388 };
2389
2390 static struct
2391 {
2392   int x, y;
2393   int gadget_id;
2394   int gadget_id_align;
2395   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2396   struct ValueTextInfo *options;
2397   int *value;
2398   char *text_above, *text_left, *text_right, *infotext;
2399 } selectbox_info[ED_NUM_SELECTBOX] =
2400 {
2401   /* ---------- level and editor settings ---------------------------------- */
2402
2403   {
2404     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2405     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2406     -1,
2407     options_time_or_steps,
2408     &level.use_step_counter,
2409     NULL, NULL, "(0 => no limit)",      "time or step limit"
2410   },
2411   {
2412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2413     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2414     -1,
2415     options_game_engine_type,
2416     &level.game_engine_type,
2417     NULL, "game engine:", NULL,         "game engine"
2418   },
2419   {
2420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2421     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2422     -1,
2423     options_levelset_save_mode,
2424     &levelset_save_mode,
2425     "Action:", NULL, NULL,              "action when saving level set"
2426   },
2427
2428   /* ---------- element settings: configure (several elements) ------------- */
2429
2430   {
2431     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2432     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2433     -1,
2434     options_wind_direction,
2435     &level.wind_direction_initial,
2436     NULL, "initial wind direction:", NULL,      "initial wind direction"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2440     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2441     -1,
2442     options_player_speed,
2443     &level.initial_player_stepsize[0],
2444     NULL, "initial player speed:", NULL,        "initial player speed"
2445   },
2446
2447   /* ---------- element settings: configure 1 (custom elements) ------------ */
2448
2449   {
2450     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2451     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2452     -1,
2453     options_access_type,
2454     &custom_element.access_type,
2455     NULL, NULL, NULL,                   "type of access to this field"
2456   },
2457   {
2458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2459     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2460     -1,
2461     options_access_layer,
2462     &custom_element.access_layer,
2463     NULL, NULL, NULL,                   "layer of access for this field"
2464   },
2465   {
2466     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2467     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2468     -1,
2469     options_access_protected,
2470     &custom_element.access_protected,
2471     NULL, NULL, NULL,                   "protected access for this field"
2472   },
2473   {
2474     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2475     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2476     -1,
2477     options_access_direction,
2478     &custom_element.access_direction,
2479     NULL, "from", NULL,                 "access direction for this field"
2480   },
2481   {
2482     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2483     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2484     -1,
2485     options_walk_to_action,
2486     &custom_element.walk_to_action,
2487     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2488   },
2489
2490   /* ---------- element settings: configure 2 (custom elements) ------------ */
2491
2492   {
2493     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2494     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2495     -1,
2496     options_move_pattern,
2497     &custom_element.move_pattern,
2498     NULL, "can move", NULL,             "element move pattern"
2499   },
2500   {
2501     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2502     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2503     -1,
2504     options_move_direction,
2505     &custom_element.move_direction_initial,
2506     NULL, "starts moving", NULL,        "initial element move direction"
2507   },
2508   {
2509     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2510     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2511     -1,
2512     options_move_stepsize,
2513     &custom_element.move_stepsize,
2514     NULL, "move/fall speed", NULL,      "speed of element movement"
2515   },
2516   {
2517     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2518     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2519     -1,
2520     options_move_leave_type,
2521     &custom_element.move_leave_type,
2522     // left text with leading spaces to place gadget next to "can dig" gadget
2523     // (needed because drawing area gadgets created after selectbox gadgets)
2524     // NULL, "can dig:    can", ":",    "leave behind or change element"
2525     NULL, "            can", ":",       "leave behind or change element"
2526   },
2527   {
2528     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2529     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2530     -1,
2531     options_smash_targets,
2532     &custom_element.smash_targets,
2533     NULL, "can smash", NULL,            "elements that can be smashed"
2534   },
2535   {
2536     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2537     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2538     -1,
2539     options_slippery_type,
2540     &custom_element.slippery_type,
2541     NULL, "slippery", NULL,             "where other elements fall down"
2542   },
2543   {
2544     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2545     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2546     -1,
2547     options_deadliness,
2548     &custom_element.deadliness,
2549     NULL, "deadly when", NULL,          "deadliness of element"
2550   },
2551   {
2552     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2553     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2554     -1,
2555     options_explosion_type,
2556     &custom_element.explosion_type,
2557     NULL, "can explode", NULL,          "explosion type"
2558   },
2559
2560   /* ---------- element settings: advanced (custom elements) --------------- */
2561
2562   {
2563     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2564     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2565     -1,
2566     options_time_units,
2567     &custom_element_change.delay_frames,
2568     NULL, "delay time given in", NULL,  "delay time units for change"
2569   },
2570   {
2571     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2572     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2573     -1,
2574     options_change_direct_action,
2575     &custom_element_change.direct_action,
2576     NULL, NULL, NULL,                   "type of direct action"
2577   },
2578   {
2579     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2580     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2581     -1,
2582     options_change_other_action,
2583     &custom_element_change.other_action,
2584     NULL, NULL, "element:",             "type of other element action"
2585   },
2586   {
2587     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2588     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2589     -1,
2590     options_change_trigger_side,
2591     &custom_element_change.trigger_side,
2592     NULL, "at", "side",                 "element side triggering change"
2593   },
2594   {
2595     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2596     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2597     -1,
2598     options_change_trigger_player,
2599     &custom_element_change.trigger_player,
2600     NULL, "player:", " ",               "player that causes change"
2601   },
2602   {
2603     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2604     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2605     -1,
2606     options_change_trigger_page,
2607     &custom_element_change.trigger_page,
2608     NULL, "page:", NULL,                "change page that causes change"
2609   },
2610   {
2611     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2612     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2613     -1,
2614     options_change_replace_when,
2615     &custom_element_change.replace_when,
2616     NULL, "replace when", NULL,         "which elements can be replaced"
2617   },
2618   {
2619     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2620     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2621     -1,
2622     options_action_type,
2623     &custom_element_change.action_type,
2624     NULL, NULL, NULL,                   "action on specified condition"
2625   },
2626   {
2627     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2628     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2629     -1,
2630     options_action_mode_none,
2631     &custom_element_change.action_mode,
2632     NULL, NULL, NULL,                   "action operator"
2633   },
2634   {
2635     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2636     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2637     -1,
2638     options_action_arg_none,
2639     &custom_element_change.action_arg,
2640     NULL, NULL, NULL,                   "action parameter"
2641   },
2642   {
2643     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2644     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2645     3,
2646     options_change_page,
2647     &custom_element.current_change_page,
2648     NULL, NULL, NULL,                   "element change page"
2649   },
2650
2651   /* ---------- element settings: configure (group elements) --------------- */
2652
2653   {
2654     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2655     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2656     -1,
2657     options_group_choice_mode,
2658     &group_element_info.choice_mode,
2659     NULL, "choice type:", NULL,         "type of group element choice"
2660   },
2661 };
2662
2663 static struct
2664 {
2665   int x, y;
2666   int gadget_id;
2667   int gadget_id_align;
2668   int size;
2669   char *text;
2670   char *text_above, *text_left, *text_right, *infotext;
2671 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2672 {
2673   /* ---------- level and editor settings (tabs) --------------------------- */
2674
2675   {
2676     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2677     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2678     8,                                  "Level",
2679     NULL, NULL, NULL,                   "Configure level properties"
2680   },
2681   {
2682     -1,                                 -1,
2683     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2684     8,                                  "Levelset",
2685     NULL, NULL, NULL,                   "Update this or create new level set"
2686   },
2687   {
2688     -1,                                 -1,
2689     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2690     8,                                  "Editor",
2691     NULL, NULL, NULL,                   "Configure editor properties"
2692   },
2693
2694   /* ---------- element settings (tabs) ------------------------------------ */
2695
2696   {
2697     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2698     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2699     8,                                  "Info",
2700     NULL, NULL, NULL,                   "Show information about element"
2701   },
2702   {
2703     -1,                                 -1,
2704     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2705     8,                                  "Config",
2706     NULL, NULL, NULL,                   "Configure element properties"
2707   },
2708   {
2709     -1,                                 -1,
2710     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2711     8,                                  "Config 1",
2712     NULL, NULL, NULL,                   "Configure element properties, part 1"
2713   },
2714   {
2715     -1,                                 -1,
2716     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2717     8,                                  "Config 2",
2718     NULL, NULL, NULL,                   "Configure element properties, part 2"
2719   },
2720   {
2721     -1,                                 -1,
2722     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2723     8,                                  "Change",
2724     NULL, NULL, NULL,                   "Configure custom element change pages"
2725   },
2726
2727   /* ---------- level and editor settings (buttons) ------------------------ */
2728
2729   {
2730     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2731     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2732     -1,                                 "Save",
2733     NULL, NULL, NULL,                   "Update or create level set"
2734   },
2735   {
2736     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2737     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2738     -1,                                 "Save",
2739     NULL, NULL,                         "this level as level template",
2740     "Save current settings as new template"
2741   },
2742
2743   /* ---------- element settings (buttons) --------------------------------- */
2744
2745   {
2746     -1,                                 -1,
2747     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2748     -1,                                 "Save",
2749     NULL, " ",                          "As Template",
2750     "Save current settings as new template"
2751   },
2752   {
2753     -1,                                 -1,
2754     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2755     -1,                                 "New",
2756     NULL, NULL, NULL,                   "Add new change page"
2757   },
2758   {
2759     -1,                                 -1,
2760     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2761     -1,                                 "Delete",
2762     NULL, NULL, NULL,                   "Delete current change page"
2763   },
2764 };
2765
2766 static struct
2767 {
2768   int graphic;
2769   int x, y;
2770   int gadget_id;
2771   int gadget_id_align;
2772   char *text_left, *text_right, *infotext;
2773 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2774 {
2775   {
2776     IMG_EDITOR_COUNTER_DOWN,
2777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2778     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2779     NULL, NULL,                         "select previous change page"
2780   },
2781   {
2782     IMG_EDITOR_COUNTER_UP,
2783     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2784     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2785     NULL, "change page",                "select next change page"
2786   },
2787   {
2788     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2789     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2790     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2791     " ", NULL,                          "copy settings from this change page"
2792   },
2793   {
2794     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2795     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2796     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2797     NULL, NULL,                         "paste settings to this change page"
2798   },
2799 };
2800
2801 static struct
2802 {
2803   int x, y;
2804 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2805
2806 static struct
2807 {
2808   int graphic;
2809   int gadget_id;
2810   char *infotext;
2811 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2812 {
2813   {
2814     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2815     GADGET_ID_SCROLL_UP,
2816     "scroll level editing area up"
2817   },
2818   {
2819     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2820     GADGET_ID_SCROLL_DOWN,
2821     "scroll level editing area down"
2822   },
2823   {
2824     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2825     GADGET_ID_SCROLL_LEFT,
2826     "scroll level editing area left"
2827   },
2828   {
2829     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2830     GADGET_ID_SCROLL_RIGHT,
2831     "scroll level editing area right"
2832   },
2833   {
2834     IMG_EDITOR_PALETTE_SCROLL_UP,
2835     GADGET_ID_SCROLL_LIST_UP,
2836     "scroll element list up ('Page Up')"
2837   },
2838   {
2839     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2840     GADGET_ID_SCROLL_LIST_DOWN,
2841     "scroll element list down ('Page Down')"
2842   },
2843 };
2844
2845 static struct
2846 {
2847   int x, y;
2848   int width, height;
2849   int wheel_x, wheel_y;
2850   int wheel_width, wheel_height;
2851 } scrollbar_pos[ED_NUM_SCROLLBARS];
2852
2853 static struct
2854 {
2855   int graphic;
2856   int type;
2857   int gadget_id;
2858   char *infotext;
2859 } scrollbar_info[ED_NUM_SCROLLBARS] =
2860 {
2861   {
2862     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2863     GD_TYPE_SCROLLBAR_HORIZONTAL,
2864     GADGET_ID_SCROLL_HORIZONTAL,
2865     "scroll level editing area horizontally"
2866   },
2867   {
2868     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2869     GD_TYPE_SCROLLBAR_VERTICAL,
2870     GADGET_ID_SCROLL_VERTICAL,
2871     "scroll level editing area vertically"
2872   },
2873   {
2874     IMG_EDITOR_PALETTE_SCROLLBAR,
2875     GD_TYPE_SCROLLBAR_VERTICAL,
2876     GADGET_ID_SCROLL_LIST_VERTICAL,
2877     "scroll element list vertically"
2878   }
2879 };
2880
2881
2882 static struct
2883 {
2884   int x, y;
2885   int gadget_id;
2886   int gadget_id_align;
2887   int radio_button_nr;
2888   int *value;
2889   int checked_value;
2890   char *text_left, *text_right, *infotext;
2891 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2892 {
2893   {
2894     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2895     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2896     RADIO_NR_RANDOM_ELEMENTS,
2897     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2898     " ", "percentage",                  "use percentage for random elements"
2899   },
2900   {
2901     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2902     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2903     RADIO_NR_RANDOM_ELEMENTS,
2904     &random_placement_method,           RANDOM_USE_QUANTITY,
2905     " ", "quantity",                    "use quantity for random elements"
2906   }
2907 };
2908
2909 static struct
2910 {
2911   int x, y;
2912   int gadget_id;
2913   int gadget_id_align;
2914   boolean *value;
2915   char *text_above, *text_left, *text_right, *infotext;
2916 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2917 {
2918   /* ---------- level and editor settings ---------------------------------- */
2919
2920   {
2921     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2922     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2923     &level.auto_count_gems,
2924     NULL, NULL,
2925     "automatically count gems needed",  "set counter to number of gems"
2926   },
2927   {
2928     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2929     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2930     &random_placement_background_restricted,
2931     NULL, NULL,
2932     "restrict random placement to:",    "set random placement restriction"
2933   },
2934   {
2935     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2936     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2937     &setup.editor.use_template_for_new_levels,
2938     "Template for new levels and CE/GE:", NULL,
2939     "use template for new levels",      "use template for level properties"
2940   },
2941   {
2942     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2943     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2944     &level.use_custom_template,
2945     NULL, NULL,
2946     "use template for custom elements", "use template for custom properties"
2947   },
2948
2949   /* ---------- element settings: configure (various elements) ------------- */
2950
2951   {
2952     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2953     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2954     &stick_element_properties_window,
2955     NULL, NULL,
2956     "stick this screen to edit content","stick this screen to edit content"
2957   },
2958   {
2959     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2960     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2961     &level.em_slippery_gems,
2962     NULL, NULL,
2963     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2964   },
2965   {
2966     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2967     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2968     &level.em_explodes_by_fire,
2969     NULL, NULL,
2970     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2971   },
2972   {
2973     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2974     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2975     &level.use_spring_bug,
2976     NULL, NULL,
2977     "use spring pushing bug",           "use odd spring pushing behaviour"
2978   },
2979   {
2980     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2981     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2982     &level.use_time_orb_bug,
2983     NULL, NULL,
2984     "use time orb bug",                 "use odd time orb behaviour"
2985   },
2986   {
2987     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2988     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2989     &level.ball_random,
2990     NULL, NULL,
2991     "create single random element",     "only create one element from content"
2992   },
2993   {
2994     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2995     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2996     &level.ball_state_initial,
2997     NULL, NULL,
2998     "magic ball initially activated",   "activate magic ball after level start"
2999   },
3000   {
3001     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3002     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3003     &level.grow_into_diggable,
3004     NULL, NULL,
3005     "can grow into anything diggable",  "grow into more than just sand"
3006   },
3007   {
3008     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3009     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3010     &level.auto_exit_sokoban,
3011     NULL, NULL,
3012     "exit level if all fields solved",  "automatically finish Sokoban levels"
3013   },
3014   {
3015     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3016     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3017     &level.continuous_snapping,
3018     NULL, NULL,
3019     "continuous snapping",              "use snapping without releasing key"
3020   },
3021   {
3022     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3023     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3024     &level.block_snap_field,
3025     NULL, NULL,
3026     "block snapped field when snapping", "use snapping delay to show animation"
3027   },
3028   {
3029     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3030     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3031     &level.block_last_field,
3032     NULL, NULL,
3033     "block last field when moving",     "player blocks last field when moving"
3034   },
3035   {
3036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3037     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3038     &level.sp_block_last_field,
3039     NULL, NULL,
3040     "block last field when moving",     "player blocks last field when moving"
3041   },
3042   {
3043     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3044     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3045     &level.instant_relocation,
3046     NULL, NULL,
3047     "no scrolling when relocating",     "player gets relocated without delay"
3048   },
3049   {
3050     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3051     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3052     &level.shifted_relocation,
3053     NULL, NULL,
3054     "no centering when relocating",     "level not centered after relocation"
3055   },
3056   {
3057     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3058     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3059     &level.lazy_relocation,
3060     NULL, NULL,
3061     "only redraw off-screen relocation","no redraw if relocation target visible"
3062   },
3063   {
3064     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3065     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3066     &level.use_start_element[0],
3067     NULL, NULL,
3068     "use level start element:",        "start level at this element's position"
3069   },
3070   {
3071     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3072     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3073     &level.use_artwork_element[0],
3074     NULL, NULL,
3075     "use artwork from element:",        "use player artwork from other element"
3076   },
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3079     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3080     &level.use_explosion_element[0],
3081     NULL, NULL,
3082     "use explosion from element:",      "use explosion properties from element"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3086     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3087     &level.initial_player_gravity[0],
3088     NULL, NULL,
3089     "use initial gravity",              "set initial player gravity"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3094     &level.use_initial_inventory[0],
3095     NULL, NULL,
3096     "use initial inventory:",           "use collected elements on level start"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3100     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3101     &level.can_pass_to_walkable,
3102     NULL, NULL,
3103     "can pass to walkable element",     "player can pass to empty or walkable"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3107     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3108     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3109     NULL, NULL,
3110     "can fall into acid (with gravity)","player can fall into acid pool"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3114     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3115     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3116     NULL, NULL,
3117     "can move into acid",               "element can move into acid pool"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3121     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3122     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3123     NULL, NULL,
3124     "deadly when colliding with",       "element is deadly when hitting player"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3128     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3129     &level.envelope[0].autowrap,
3130     NULL, NULL,
3131     "auto-wrap",                        "automatically wrap envelope text"
3132   },
3133   {
3134     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3135     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3136     &level.envelope[0].centered,
3137     NULL, " ",
3138     "centered",                         "automatically center envelope text"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3142     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3143     &level.mm_laser_red,
3144     "choose color components for laser:", NULL,
3145     "red",                              "use red color components in laser"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3149     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3150     &level.mm_laser_green,
3151     NULL, NULL,
3152     "green",                            "use green color components in laser"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3156     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3157     &level.mm_laser_blue,
3158     NULL, NULL,
3159     "blue",                             "use blue color components in laser"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3164     &level.df_laser_red,
3165     "choose color components for laser:", NULL,
3166     "red",                              "use red color components in laser"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3170     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3171     &level.df_laser_green,
3172     NULL, NULL,
3173     "green",                            "use green color components in laser"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3177     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3178     &level.df_laser_blue,
3179     NULL, NULL,
3180     "blue",                             "use blue color components in laser"
3181   },
3182
3183   /* ---------- element settings: configure 1 (custom elements) ----------- */
3184
3185   {
3186     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3187     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3188     &custom_element.use_gfx_element,
3189     NULL, NULL,
3190     "use graphic of element:",          "use existing element graphic"
3191   },
3192   {
3193     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3194     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3195     &level.use_custom_template,
3196     NULL, NULL,
3197     "use template",                     "use template for custom properties"
3198   },
3199   {
3200     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3201     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3202     &custom_element_properties[EP_ACCESSIBLE],
3203     NULL, NULL,
3204     NULL,                               "player can walk to or pass this field"
3205   },
3206   {
3207     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3208     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3209     &custom_element_properties[EP_GRAVITY_REACHABLE],
3210     NULL, NULL,
3211     "reachable despite gravity",        "player can walk/dig despite gravity"
3212   },
3213   {
3214     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3215     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3216     &custom_element.use_last_ce_value,
3217     NULL, NULL,
3218     "use last CE value after change",   "use last CE value after change"
3219   },
3220   {
3221     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3222     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3223     &custom_element_properties[EP_WALK_TO_OBJECT],
3224     NULL, NULL,
3225     NULL,                               "player can dig/collect/push element"
3226   },
3227   {
3228     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3229     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3230     &custom_element_properties[EP_INDESTRUCTIBLE],
3231     NULL, NULL,
3232     "indestructible",                   "element is indestructible"
3233   },
3234
3235   /* ---------- element settings: configure 2 (custom elements) ----------- */
3236
3237   {
3238     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3239     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3240     &custom_element_properties[EP_CAN_MOVE],
3241     NULL, NULL,
3242     NULL,                               "element can move with some pattern"
3243   },
3244   {
3245     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3246     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3247     &custom_element_properties[EP_CAN_FALL],
3248     NULL, NULL,
3249     "can fall",                         "element can fall down"
3250   },
3251   {
3252     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3253     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3254     &custom_element_properties[EP_CAN_SMASH],
3255     NULL, " ",
3256     NULL,                               "element can smash other elements"
3257   },
3258   {
3259     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3260     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3261     &custom_element_properties[EP_SLIPPERY],
3262     NULL, NULL,
3263     NULL,                               "other elements can fall down from it"
3264   },
3265   {
3266     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3267     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3268     &custom_element_properties[EP_DEADLY],
3269     NULL, NULL,
3270     NULL,                               "element can kill the player"
3271   },
3272   {
3273     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3274     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3275     &custom_element_properties[EP_CAN_EXPLODE],
3276     NULL, NULL,
3277     NULL,                               "element can explode"
3278   },
3279   {
3280     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3281     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3282     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3283     NULL, NULL,
3284     "by fire",                          "element can explode by fire/explosion"
3285   },
3286   {
3287     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3288     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3289     &custom_element_properties[EP_EXPLODES_SMASHED],
3290     NULL, " ",
3291     "smashed",                          "element can explode when smashed"
3292   },
3293   {
3294     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3295     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3296     &custom_element_properties[EP_EXPLODES_IMPACT],
3297     NULL, " ",
3298     "impact",                           "element can explode on impact"
3299   },
3300
3301   /* ---------- element settings: advanced (custom elements) --------------- */
3302
3303   {
3304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3305     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3306     &custom_element_change.can_change,
3307     NULL, NULL,
3308     "element changes to:",              "change element on specified condition"
3309   },
3310   {
3311     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3312     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3313     &custom_element_change_events[CE_DELAY],
3314     NULL, NULL,
3315     NULL,                               "element changes after delay"
3316   },
3317   {
3318     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3319     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3320     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3321     NULL, NULL,
3322     NULL,                               "element changes by direct action"
3323   },
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3326     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3327     &custom_element_change_events[CE_BY_OTHER_ACTION],
3328     NULL, NULL,
3329     NULL,                               "element changes by other element"
3330   },
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3333     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3334     &custom_element_change.explode,
3335     NULL, NULL,
3336     "explode instead of change",        "element explodes instead of change"
3337   },
3338   {
3339     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3340     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3341     &custom_element_change.use_target_content,
3342     NULL, NULL,
3343     "use extended change target:",      "element changes to more elements"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3347     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3348     &custom_element_change.only_if_complete,
3349     NULL, NULL,
3350     "replace all or nothing",           "only replace when all can be changed"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3354     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3355     &custom_element_change.use_random_replace,
3356     NULL, NULL,
3357     NULL,                               "use percentage for random replace"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3361     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3362     &custom_element_change.has_action,
3363     NULL, NULL,
3364     NULL,                               "execute action on specified condition"
3365   },
3366 };
3367
3368 static struct
3369 {
3370   int x, y;
3371   int xoffset, yoffset;
3372   int gadget_id;
3373   int gadget_id_align;
3374   int *value;
3375   int area_xsize, area_ysize;
3376   char *text_left, *text_right, *text_below, *infotext;
3377 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3378 {
3379   /* ---------- level playfield content ------------------------------------ */
3380
3381   {
3382     0,                                  0,
3383     0,                                  0,
3384     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3385     NULL,
3386     -1, -1,     /* these values are not constant, but can change at runtime */
3387     NULL, NULL, NULL,                   NULL
3388   },
3389
3390   /* ---------- yam yam content -------------------------------------------- */
3391
3392   {
3393     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3394     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3395     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3396     &level.yamyam_content[0].e[0][0],   3, 3,
3397     NULL, NULL, "1",                    NULL
3398   },
3399   {
3400     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3401     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3402     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3403     &level.yamyam_content[1].e[0][0],   3, 3,
3404     NULL, NULL, "2",                    NULL
3405   },
3406   {
3407     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3408     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3409     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3410     &level.yamyam_content[2].e[0][0],   3, 3,
3411     NULL, NULL, "3",                    NULL
3412   },
3413   {
3414     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3415     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3416     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3417     &level.yamyam_content[3].e[0][0],   3, 3,
3418     NULL, NULL, "4",                    NULL
3419   },
3420   {
3421     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3422     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3423     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3424     &level.yamyam_content[4].e[0][0],   3, 3,
3425     NULL, NULL, "5",                    NULL
3426   },
3427   {
3428     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3429     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3430     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3431     &level.yamyam_content[5].e[0][0],   3, 3,
3432     NULL, NULL, "6",                    NULL
3433   },
3434   {
3435     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3436     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3437     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3438     &level.yamyam_content[6].e[0][0],   3, 3,
3439     NULL, NULL, "7",                    NULL
3440   },
3441   {
3442     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3443     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3444     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3445     &level.yamyam_content[7].e[0][0],   3, 3,
3446     NULL, NULL, "8",                    NULL
3447   },
3448
3449   /* ---------- magic ball content ----------------------------------------- */
3450
3451   {
3452     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3453     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3454     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3455     &level.ball_content[0].e[0][0],     3, 3,
3456     NULL, NULL, "1",                    NULL
3457   },
3458   {
3459     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3460     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3461     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3462     &level.ball_content[1].e[0][0],     3, 3,
3463     NULL, NULL, "2",                    NULL
3464   },
3465   {
3466     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3467     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3468     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3469     &level.ball_content[2].e[0][0],     3, 3,
3470     NULL, NULL, "3",                    NULL
3471   },
3472   {
3473     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3474     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3475     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3476     &level.ball_content[3].e[0][0],     3, 3,
3477     NULL, NULL, "4",                    NULL
3478   },
3479   {
3480     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3481     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3482     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3483     &level.ball_content[4].e[0][0],     3, 3,
3484     NULL, NULL, "5",                    NULL
3485   },
3486   {
3487     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3488     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3489     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3490     &level.ball_content[5].e[0][0],     3, 3,
3491     NULL, NULL, "6",                    NULL
3492   },
3493   {
3494     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3495     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3496     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3497     &level.ball_content[6].e[0][0],     3, 3,
3498     NULL, NULL, "7",                    NULL
3499   },
3500   {
3501     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3502     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3503     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3504     &level.ball_content[7].e[0][0],     3, 3,
3505     NULL, NULL, "8",                    NULL
3506   },
3507
3508   /* ---------- android content -------------------------------------------- */
3509
3510   {
3511     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3512     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3513     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3514     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3515     "elements:", NULL, NULL,            "elements android can clone"
3516   },
3517
3518   /* ---------- amoeba content --------------------------------------------- */
3519
3520   {
3521     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3522     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3523     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3524     &level.amoeba_content,              1, 1,
3525     "content:", NULL, NULL,             "amoeba content"
3526   },
3527
3528   /* ---------- level start element ---------------------------------------- */
3529
3530   {
3531     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3532     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3533     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3534     &level.start_element[0],            1, 1,
3535     NULL, NULL, NULL,                   "level start element"
3536   },
3537
3538   /* ---------- player artwork element ------------------------------------- */
3539
3540   {
3541     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3542     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3543     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3544     &level.artwork_element[0],          1, 1,
3545     NULL, NULL, NULL,                   "element for player artwork"
3546   },
3547
3548   /* ---------- player explosion element ----------------------------------- */
3549
3550   {
3551     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3552     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3553     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3554     &level.explosion_element[0],        1, 1,
3555     NULL, NULL, NULL,                   "element for player explosion"
3556   },
3557
3558   /* ---------- player initial inventory ----------------------------------- */
3559
3560   {
3561     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3562     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3563     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3564     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3565     NULL, NULL, NULL,                   "content for initial inventory"
3566   },
3567
3568   /* ---------- element settings: configure 1 (custom elements) ----------- */
3569
3570   /* ---------- custom graphic --------------------------------------------- */
3571
3572   {
3573     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3574     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3575     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3576     &custom_element.gfx_element_initial,1, 1,
3577     NULL, NULL, NULL,                   "custom graphic element"
3578   },
3579
3580   /* ---------- element settings: configure 2 (custom elements) ----------- */
3581
3582   /* ---------- custom content (when exploding) ---------------------------- */
3583
3584   {
3585     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3586     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3587     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3588     &custom_element.content.e[0][0],    3, 3,
3589     "content:", NULL, NULL,             NULL
3590   },
3591
3592   /* ---------- custom enter and leave element (when moving) --------------- */
3593
3594   {
3595     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3596     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3597     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3598     &custom_element.move_enter_element, 1, 1,
3599     "can dig:", " ", NULL,              "element that can be digged/collected"
3600   },
3601   {
3602     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3603     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3604     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3605     &custom_element.move_leave_element, 1, 1,
3606     NULL, NULL, NULL,                   "element that will be left behind"
3607   },
3608
3609   /* ---------- element settings: advanced (custom elements) --------------- */
3610
3611   /* ---------- custom change target --------------------------------------- */
3612
3613   {
3614     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3615     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3616     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3617     &custom_element_change.target_element, 1, 1,
3618     NULL, "after/when:", NULL,          "new target element after change"
3619   },
3620
3621   /* ---------- custom change content (extended change target) ------------- */
3622
3623   {
3624     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3625     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3626     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3627     &custom_element_change.target_content.e[0][0], 3, 3,
3628     NULL, NULL, NULL,                   "new extended elements after change"
3629   },
3630
3631   /* ---------- custom change trigger (element causing change) ------------- */
3632
3633   {
3634     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3635     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3636     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3637     &custom_element_change.initial_trigger_element, 1, 1,
3638     NULL, NULL, NULL,                   "other element triggering change"
3639   },
3640
3641   /* ---------- custom change action (element used for action) ------------- */
3642
3643   {
3644     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3645     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3646     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3647     &custom_element_change.action_element, 1, 1,
3648     NULL, NULL, NULL,                   "element used as action parameter"
3649   },
3650
3651   /* ---------- group element content -------------------------------------- */
3652
3653   {
3654     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3655     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3656     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3657     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3658     "content:", NULL, NULL,             NULL
3659   },
3660
3661   /* ---------- random background (for random painting) -------------------- */
3662
3663   {
3664     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3665     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3666     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3667     &random_placement_background_element, 1, 1,
3668     NULL, NULL, NULL,                   "random placement background"
3669   },
3670 };
3671
3672
3673 /*
3674   -----------------------------------------------------------------------------
3675   some internally used variables
3676   -----------------------------------------------------------------------------
3677 */
3678
3679 /* maximal size of level editor drawing area */
3680 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3681
3682 /* actual size of level editor drawing area */
3683 static int ed_fieldx, ed_fieldy;
3684
3685 /* actual position of level editor drawing area in level playfield */
3686 static int level_xpos = -1, level_ypos = -1;
3687
3688 /* actual tile size used to display playfield drawing area */
3689 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3690
3691 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3692
3693 /* drawing elements on the three mouse buttons */
3694 static int new_element1 = EL_WALL;
3695 static int new_element2 = EL_EMPTY;
3696 static int new_element3 = EL_SAND;
3697
3698 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3699 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3700                                 (button) == 2 ? new_element2 : \
3701                                 (button) == 3 ? new_element3 : EL_EMPTY)
3702
3703 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3704
3705 static int use_permanent_palette = TRUE;
3706
3707 #define PX              (use_permanent_palette ? DX : SX)
3708 #define PY              (use_permanent_palette ? DY : SY)
3709 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3710 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3711
3712 /* forward declaration for internal use */
3713 static void ModifyEditorCounterValue(int, int);
3714 static void ModifyEditorCounterLimits(int, int, int);
3715 static void ModifyEditorSelectboxValue(int, int);
3716 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3717 static void ModifyEditorDrawingArea(int, int, int);
3718 static void ModifyEditorElementList();
3719 static void AdjustElementListScrollbar();
3720 static void RedrawDrawingElements();
3721 static void DrawDrawingWindow();
3722 static void DrawLevelInfoWindow();
3723 static void DrawPropertiesWindow();
3724 static void DrawPaletteWindow();
3725 static void UpdateCustomElementGraphicGadgets();
3726 static boolean checkPropertiesConfig(int);
3727 static void SetAutomaticNumberOfGemsNeeded();
3728 static void ClearEditorGadgetInfoText();
3729 static void CopyLevelToUndoBuffer(int);
3730 static void HandleDrawingAreas(struct GadgetInfo *);
3731 static void HandleCounterButtons(struct GadgetInfo *);
3732 static void HandleTextInputGadgets(struct GadgetInfo *);
3733 static void HandleTextAreaGadgets(struct GadgetInfo *);
3734 static void HandleSelectboxGadgets(struct GadgetInfo *);
3735 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3736 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3737 static void HandleRadiobuttons(struct GadgetInfo *);
3738 static void HandleCheckbuttons(struct GadgetInfo *);
3739 static void HandleControlButtons(struct GadgetInfo *);
3740 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3741 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3742 static boolean AskToCopyAndModifyLevelTemplate();
3743 static boolean getDrawModeHiRes();
3744
3745 static int num_editor_gadgets = 0;      /* dynamically determined */
3746
3747 static struct GadgetInfo **level_editor_gadget = NULL;
3748 static int *right_gadget_border = NULL;
3749
3750 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3751 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3752 static boolean draw_with_brush = FALSE;
3753 static int properties_element = 0;
3754
3755 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3756 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3757 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3758 static int undo_buffer_position = 0;
3759 static int undo_buffer_steps = 0;
3760 static int redo_buffer_steps = 0;
3761
3762 static int edit_mode;
3763 static int edit_mode_levelinfo;
3764 static int edit_mode_properties;
3765
3766 static int element_shift = 0;
3767
3768 static int editor_el_players[] =
3769 {
3770   EL_PLAYER_1,
3771   EL_PLAYER_2,
3772   EL_PLAYER_3,
3773   EL_PLAYER_4
3774 };
3775 static int *editor_el_players_ptr = editor_el_players;
3776 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3777
3778 static int editor_hl_boulderdash[] =
3779 {
3780   EL_INTERNAL_CASCADE_BD_ACTIVE,
3781   EL_CHAR('B'),
3782   EL_CHAR('D'),
3783   EL_EMPTY,
3784 };
3785
3786 static int editor_el_boulderdash[] =
3787 {
3788   EL_EMPTY,
3789   EL_SAND,
3790   EL_BD_ROCK,
3791   EL_BD_DIAMOND,
3792
3793   EL_STEELWALL,
3794   EL_BD_WALL,
3795   EL_BD_EXPANDABLE_WALL,
3796   EL_BD_MAGIC_WALL,
3797
3798   EL_BD_AMOEBA,
3799   EL_BD_BUTTERFLY_UP,
3800   EL_BD_FIREFLY_UP,
3801   EL_EXIT_CLOSED,
3802
3803   EL_BD_BUTTERFLY_LEFT,
3804   EL_BD_FIREFLY_LEFT,
3805   EL_BD_BUTTERFLY_RIGHT,
3806   EL_BD_FIREFLY_RIGHT,
3807
3808   EL_EMPTY,
3809   EL_BD_BUTTERFLY_DOWN,
3810   EL_BD_FIREFLY_DOWN,
3811   EL_EXIT_OPEN,
3812 };
3813 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3814 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3815 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3816 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3817
3818 static int editor_hl_emerald_mine[] =
3819 {
3820   EL_INTERNAL_CASCADE_EM_ACTIVE,
3821   EL_CHAR('E'),
3822   EL_CHAR('M'),
3823   EL_EMPTY,
3824 };
3825
3826 static int editor_el_emerald_mine[] =
3827 {
3828   EL_SAND,
3829   EL_ROCK,
3830   EL_QUICKSAND_EMPTY,
3831   EL_QUICKSAND_FULL,
3832
3833   EL_STEELWALL,
3834   EL_WALL,
3835   EL_WALL_SLIPPERY,
3836   EL_MAGIC_WALL,
3837
3838   EL_EMERALD,
3839   EL_DIAMOND,
3840   EL_NUT,
3841   EL_BOMB,
3842
3843   EL_WALL_EMERALD,
3844   EL_WALL_DIAMOND,
3845   EL_DYNAMITE,
3846   EL_DYNAMITE_ACTIVE,
3847
3848   EL_YAMYAM,
3849   EL_BUG_UP,
3850   EL_SPACESHIP_UP,
3851   EL_ROBOT,
3852
3853   EL_BUG_LEFT,
3854   EL_SPACESHIP_LEFT,
3855   EL_BUG_RIGHT,
3856   EL_SPACESHIP_RIGHT,
3857
3858   EL_ROBOT_WHEEL,
3859   EL_BUG_DOWN,
3860   EL_SPACESHIP_DOWN,
3861   EL_INVISIBLE_WALL,
3862
3863   EL_ACID_POOL_TOPLEFT,
3864   EL_ACID,
3865   EL_ACID_POOL_TOPRIGHT,
3866   EL_AMOEBA_DROP,
3867
3868   EL_ACID_POOL_BOTTOMLEFT,
3869   EL_ACID_POOL_BOTTOM,
3870   EL_ACID_POOL_BOTTOMRIGHT,
3871   EL_AMOEBA_WET,
3872
3873   EL_EM_KEY_1,
3874   EL_EM_KEY_2,
3875   EL_EM_KEY_3,
3876   EL_EM_KEY_4,
3877
3878   EL_EM_GATE_1,
3879   EL_EM_GATE_2,
3880   EL_EM_GATE_3,
3881   EL_EM_GATE_4,
3882
3883   EL_EM_GATE_1_GRAY,
3884   EL_EM_GATE_2_GRAY,
3885   EL_EM_GATE_3_GRAY,
3886   EL_EM_GATE_4_GRAY,
3887
3888   EL_EM_EXIT_CLOSED,
3889   EL_EM_EXIT_OPEN,
3890   EL_EM_STEEL_EXIT_CLOSED,
3891   EL_EM_STEEL_EXIT_OPEN,
3892 };
3893 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3894 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3895 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3896 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3897
3898 static int editor_hl_emerald_mine_club[] =
3899 {
3900   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3901   EL_CHAR('E'),
3902   EL_CHAR('M'),
3903   EL_CHAR('C'),
3904 };
3905
3906 static int editor_el_emerald_mine_club[] =
3907 {
3908   EL_EMC_KEY_5,
3909   EL_EMC_KEY_6,
3910   EL_EMC_KEY_7,
3911   EL_EMC_KEY_8,
3912
3913   EL_EMC_GATE_5,
3914   EL_EMC_GATE_6,
3915   EL_EMC_GATE_7,
3916   EL_EMC_GATE_8,
3917
3918   EL_EMC_GATE_5_GRAY,
3919   EL_EMC_GATE_6_GRAY,
3920   EL_EMC_GATE_7_GRAY,
3921   EL_EMC_GATE_8_GRAY,
3922
3923   EL_EMC_STEELWALL_1,
3924   EL_EMC_STEELWALL_2,
3925   EL_EMC_STEELWALL_3,
3926   EL_EMC_STEELWALL_4,
3927
3928   EL_EMC_WALL_13,
3929   EL_EMC_WALL_14,
3930   EL_EMC_WALL_15,
3931   EL_EMC_WALL_16,
3932
3933   EL_EMC_WALL_SLIPPERY_1,
3934   EL_EMC_WALL_SLIPPERY_2,
3935   EL_EMC_WALL_SLIPPERY_3,
3936   EL_EMC_WALL_SLIPPERY_4,
3937
3938   EL_EMC_WALL_1,
3939   EL_EMC_WALL_2,
3940   EL_EMC_WALL_3,
3941   EL_EMC_WALL_4,
3942
3943   EL_EMC_WALL_5,
3944   EL_EMC_WALL_6,
3945   EL_EMC_WALL_7,
3946   EL_EMC_WALL_8,
3947
3948   EL_EMC_WALL_9,
3949   EL_EMC_WALL_10,
3950   EL_EMC_WALL_11,
3951   EL_EMC_WALL_12,
3952
3953   EL_EMC_GRASS,
3954   EL_EMC_FAKE_GRASS,
3955   EL_EMC_PLANT,
3956   EL_EMC_DRIPPER,
3957
3958   EL_EMC_MAGIC_BALL,
3959   EL_EMC_MAGIC_BALL_SWITCH,
3960   EL_SPRING,
3961   EL_EMC_SPRING_BUMPER,
3962
3963   EL_EMC_LENSES,
3964   EL_EMC_MAGNIFIER,
3965   EL_EM_DYNAMITE,
3966   EL_EM_DYNAMITE_ACTIVE,
3967
3968   EL_BALLOON,
3969   EL_YAMYAM_UP,
3970   EL_BALLOON_SWITCH_UP,
3971   EL_BALLOON_SWITCH_ANY,
3972
3973   EL_YAMYAM_LEFT,
3974   EL_BALLOON_SWITCH_LEFT,
3975   EL_YAMYAM_RIGHT,
3976   EL_BALLOON_SWITCH_RIGHT,
3977
3978   EL_EMC_ANDROID,
3979   EL_YAMYAM_DOWN,
3980   EL_BALLOON_SWITCH_DOWN,
3981   EL_BALLOON_SWITCH_NONE,
3982 };
3983 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3984 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3985 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3986 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3987
3988 static int editor_hl_rnd[] =
3989 {
3990   EL_INTERNAL_CASCADE_RND_ACTIVE,
3991   EL_CHAR('R'),
3992   EL_CHAR('N'),
3993   EL_CHAR('D'),
3994 };
3995
3996 static int editor_el_rnd[] =
3997 {
3998   EL_KEY_1,
3999   EL_KEY_2,
4000   EL_KEY_3,
4001   EL_KEY_4,
4002
4003   EL_GATE_1,
4004   EL_GATE_2,
4005   EL_GATE_3,
4006   EL_GATE_4,
4007
4008   EL_GATE_1_GRAY,
4009   EL_GATE_2_GRAY,
4010   EL_GATE_3_GRAY,
4011   EL_GATE_4_GRAY,
4012
4013   EL_ARROW_LEFT,
4014   EL_ARROW_RIGHT,
4015   EL_ARROW_UP,
4016   EL_ARROW_DOWN,
4017
4018   EL_AMOEBA_DEAD,
4019   EL_AMOEBA_DRY,
4020   EL_AMOEBA_FULL,
4021   EL_GAME_OF_LIFE,
4022
4023   EL_EMERALD_YELLOW,
4024   EL_EMERALD_RED,
4025   EL_EMERALD_PURPLE,
4026   EL_BIOMAZE,
4027
4028   EL_WALL_EMERALD_YELLOW,
4029   EL_WALL_EMERALD_RED,
4030   EL_WALL_EMERALD_PURPLE,
4031   EL_WALL_BD_DIAMOND,
4032
4033   EL_SPEED_PILL,
4034   EL_PACMAN_UP,
4035   EL_TIME_ORB_FULL,
4036   EL_TIME_ORB_EMPTY,
4037
4038   EL_PACMAN_LEFT,
4039   EL_DARK_YAMYAM,
4040   EL_PACMAN_RIGHT,
4041   EL_EMPTY,
4042
4043   EL_BLACK_ORB,
4044   EL_PACMAN_DOWN,
4045   EL_LAMP,
4046   EL_LAMP_ACTIVE,
4047
4048   EL_DYNABOMB_INCREASE_NUMBER,
4049   EL_DYNABOMB_INCREASE_SIZE,
4050   EL_DYNABOMB_INCREASE_POWER,
4051   EL_STONEBLOCK,
4052
4053   EL_MOLE,
4054   EL_PENGUIN,
4055   EL_PIG,
4056   EL_DRAGON,
4057
4058   EL_BUG,
4059   EL_MOLE_UP,
4060   EL_BD_BUTTERFLY,
4061   EL_BD_FIREFLY,
4062
4063   EL_MOLE_LEFT,
4064   EL_SATELLITE,
4065   EL_MOLE_RIGHT,
4066   EL_PACMAN,
4067
4068   EL_SPACESHIP,
4069   EL_MOLE_DOWN,
4070   EL_INVISIBLE_STEELWALL,
4071   EL_INVISIBLE_WALL,
4072
4073   EL_EXPANDABLE_WALL,
4074   EL_EXPANDABLE_WALL_HORIZONTAL,
4075   EL_EXPANDABLE_WALL_VERTICAL,
4076   EL_EXPANDABLE_WALL_ANY,
4077 };
4078 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4079 static int *editor_el_rnd_ptr = editor_el_rnd;
4080 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4081 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4082
4083 static int editor_hl_sokoban[] =
4084 {
4085   EL_INTERNAL_CASCADE_SB_ACTIVE,
4086   EL_CHAR('S'),
4087   EL_CHAR('B'),
4088   EL_EMPTY,
4089 };
4090
4091 static int editor_el_sokoban[] =
4092 {
4093   EL_SOKOBAN_OBJECT,
4094   EL_SOKOBAN_FIELD_EMPTY,
4095   EL_SOKOBAN_FIELD_FULL,
4096   EL_SOKOBAN_FIELD_PLAYER,
4097 };
4098 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4099 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4100 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4101 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4102
4103 static int editor_hl_supaplex[] =
4104 {
4105   EL_INTERNAL_CASCADE_SP_ACTIVE,
4106   EL_CHAR('S'),
4107   EL_CHAR('P'),
4108   EL_EMPTY,
4109 };
4110
4111 static int editor_el_supaplex[] =
4112 {
4113   EL_SP_MURPHY,
4114   EL_EMPTY,
4115   EL_SP_BASE,
4116   EL_SP_BUGGY_BASE,
4117
4118   EL_SP_INFOTRON,
4119   EL_SP_ZONK,
4120   EL_SP_SNIKSNAK,
4121   EL_SP_ELECTRON,
4122
4123   EL_SP_DISK_RED,
4124   EL_SP_DISK_ORANGE,
4125   EL_SP_DISK_YELLOW,
4126   EL_SP_TERMINAL,
4127
4128   EL_SP_EXIT_CLOSED,
4129   EL_SP_PORT_HORIZONTAL,
4130   EL_SP_PORT_VERTICAL,
4131   EL_SP_PORT_ANY,
4132
4133   EL_SP_PORT_LEFT,
4134   EL_SP_PORT_RIGHT,
4135   EL_SP_PORT_UP,
4136   EL_SP_PORT_DOWN,
4137
4138   EL_SP_GRAVITY_PORT_LEFT,
4139   EL_SP_GRAVITY_PORT_RIGHT,
4140   EL_SP_GRAVITY_PORT_UP,
4141   EL_SP_GRAVITY_PORT_DOWN,
4142
4143   EL_SP_GRAVITY_ON_PORT_LEFT,
4144   EL_SP_GRAVITY_ON_PORT_RIGHT,
4145   EL_SP_GRAVITY_ON_PORT_UP,
4146   EL_SP_GRAVITY_ON_PORT_DOWN,
4147
4148   EL_SP_GRAVITY_OFF_PORT_LEFT,
4149   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4150   EL_SP_GRAVITY_OFF_PORT_UP,
4151   EL_SP_GRAVITY_OFF_PORT_DOWN,
4152
4153   EL_SP_HARDWARE_GRAY,
4154   EL_SP_HARDWARE_GREEN,
4155   EL_SP_HARDWARE_BLUE,
4156   EL_SP_HARDWARE_RED,
4157
4158   EL_SP_HARDWARE_BASE_1,
4159   EL_SP_HARDWARE_BASE_2,
4160   EL_SP_HARDWARE_BASE_3,
4161   EL_SP_HARDWARE_BASE_4,
4162
4163   EL_SP_HARDWARE_BASE_5,
4164   EL_SP_HARDWARE_BASE_6,
4165   EL_SP_HARDWARE_YELLOW,
4166   EL_SP_CHIP_TOP,
4167
4168   EL_SP_CHIP_SINGLE,
4169   EL_SP_CHIP_LEFT,
4170   EL_SP_CHIP_RIGHT,
4171   EL_SP_CHIP_BOTTOM,
4172 };
4173 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4174 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4175 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4176 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4177
4178 static int editor_hl_diamond_caves[] =
4179 {
4180   EL_INTERNAL_CASCADE_DC_ACTIVE,
4181   EL_CHAR('D'),
4182   EL_CHAR('C'),
4183   EL_CHAR('2'),
4184 };
4185
4186 static int editor_el_diamond_caves[] =
4187 {
4188   EL_PEARL,
4189   EL_CRYSTAL,
4190   EL_WALL_PEARL,
4191   EL_WALL_CRYSTAL,
4192
4193   EL_CONVEYOR_BELT_1_LEFT,
4194   EL_CONVEYOR_BELT_1_MIDDLE,
4195   EL_CONVEYOR_BELT_1_RIGHT,
4196   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4197
4198   EL_CONVEYOR_BELT_2_LEFT,
4199   EL_CONVEYOR_BELT_2_MIDDLE,
4200   EL_CONVEYOR_BELT_2_RIGHT,
4201   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4202
4203   EL_CONVEYOR_BELT_3_LEFT,
4204   EL_CONVEYOR_BELT_3_MIDDLE,
4205   EL_CONVEYOR_BELT_3_RIGHT,
4206   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4207
4208   EL_CONVEYOR_BELT_4_LEFT,
4209   EL_CONVEYOR_BELT_4_MIDDLE,
4210   EL_CONVEYOR_BELT_4_RIGHT,
4211   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4212
4213   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4214   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4215   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4216   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4217
4218   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4219   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4220   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4221   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4222
4223   EL_TIMEGATE_CLOSED,
4224   EL_TIMEGATE_OPEN,
4225   EL_TIMEGATE_SWITCH,
4226   EL_DC_TIMEGATE_SWITCH,
4227
4228   EL_SWITCHGATE_CLOSED,
4229   EL_SWITCHGATE_OPEN,
4230   EL_SWITCHGATE_SWITCH_UP,
4231   EL_SWITCHGATE_SWITCH_DOWN,
4232
4233   EL_LIGHT_SWITCH,
4234   EL_LIGHT_SWITCH_ACTIVE,
4235   EL_DC_SWITCHGATE_SWITCH_UP,
4236   EL_DC_SWITCHGATE_SWITCH_DOWN,
4237
4238   EL_STEEL_EXIT_CLOSED,
4239   EL_STEEL_EXIT_OPEN,
4240   EL_STEELWALL_SLIPPERY,
4241   EL_INVISIBLE_SAND,
4242
4243   EL_QUICKSAND_FAST_EMPTY,
4244   EL_QUICKSAND_FAST_FULL,
4245   EL_LANDMINE,
4246   EL_DC_LANDMINE,
4247
4248   EL_SHIELD_NORMAL,
4249   EL_SHIELD_DEADLY,
4250   EL_EXTRA_TIME,
4251   EL_DC_MAGIC_WALL,
4252
4253   EL_ENVELOPE_1,
4254   EL_ENVELOPE_2,
4255   EL_ENVELOPE_3,
4256   EL_ENVELOPE_4,
4257
4258   EL_SIGN_RADIOACTIVITY,
4259   EL_SIGN_WHEELCHAIR,
4260   EL_SIGN_PARKING,
4261   EL_SIGN_NO_ENTRY,
4262
4263   EL_SIGN_GIVE_WAY,
4264   EL_SIGN_ENTRY_FORBIDDEN,
4265   EL_SIGN_EMERGENCY_EXIT,
4266   EL_SIGN_YIN_YANG,
4267
4268 #if 0
4269   EL_SIGN_SPERMS,
4270   EL_SIGN_BULLET,
4271   EL_SIGN_HEART,
4272   EL_SIGN_CROSS,
4273
4274   EL_SIGN_FRANKIE,
4275   EL_EMPTY,
4276   EL_EMPTY,
4277   EL_EMPTY,
4278
4279   EL_SPERMS,
4280   EL_BULLET,
4281   EL_HEART,
4282   EL_CROSS,
4283
4284   EL_FRANKIE,
4285   EL_EMPTY,
4286   EL_EMPTY,
4287   EL_EMPTY,
4288 #endif
4289
4290   EL_DC_STEELWALL_2_SINGLE,
4291   EL_DC_STEELWALL_2_TOP,
4292   EL_SIGN_EXCLAMATION,
4293   EL_SIGN_STOP,
4294
4295   EL_DC_STEELWALL_2_LEFT,
4296   EL_DC_STEELWALL_2_MIDDLE,
4297   EL_DC_STEELWALL_2_HORIZONTAL,
4298   EL_DC_STEELWALL_2_RIGHT,
4299
4300   EL_DC_STEELWALL_1_TOPLEFT,
4301   EL_DC_STEELWALL_2_VERTICAL,
4302   EL_DC_STEELWALL_1_TOPRIGHT,
4303   EL_DC_GATE_WHITE,
4304
4305   EL_DC_STEELWALL_1_VERTICAL,
4306   EL_DC_STEELWALL_2_BOTTOM,
4307   EL_DC_KEY_WHITE,
4308   EL_DC_GATE_WHITE_GRAY,
4309
4310   EL_DC_STEELWALL_1_BOTTOMLEFT,
4311   EL_DC_STEELWALL_1_HORIZONTAL,
4312   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4313   EL_DC_GATE_FAKE_GRAY,
4314
4315   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4316   EL_DC_STEELWALL_1_BOTTOM,
4317   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4318   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4319
4320   EL_DC_STEELWALL_1_RIGHT,
4321   EL_EMPTY,
4322   EL_DC_STEELWALL_1_LEFT,
4323   EL_EXPANDABLE_STEELWALL_VERTICAL,
4324
4325   EL_DC_STEELWALL_1_TOPRIGHT_2,
4326   EL_DC_STEELWALL_1_TOP,
4327   EL_DC_STEELWALL_1_TOPLEFT_2,
4328   EL_EXPANDABLE_STEELWALL_ANY,
4329 };
4330 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4331 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4332 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4333 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4334
4335 static int editor_hl_dx_boulderdash[] =
4336 {
4337   EL_INTERNAL_CASCADE_DX_ACTIVE,
4338   EL_CHAR('D'),
4339   EL_CHAR('X'),
4340   EL_EMPTY,
4341 };
4342
4343 static int editor_el_dx_boulderdash[] =
4344 {
4345   EL_EMPTY,
4346   EL_TUBE_RIGHT_DOWN,
4347   EL_TUBE_HORIZONTAL_DOWN,
4348   EL_TUBE_LEFT_DOWN,
4349
4350   EL_TUBE_HORIZONTAL,
4351   EL_TUBE_VERTICAL_RIGHT,
4352   EL_TUBE_ANY,
4353   EL_TUBE_VERTICAL_LEFT,
4354
4355   EL_TUBE_VERTICAL,
4356   EL_TUBE_RIGHT_UP,
4357   EL_TUBE_HORIZONTAL_UP,
4358   EL_TUBE_LEFT_UP,
4359
4360   EL_TRAP,
4361   EL_DX_SUPABOMB,
4362   EL_EMPTY,
4363   EL_EMPTY
4364 };
4365 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4366 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4367 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4368 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4369
4370 static int editor_hl_mirror_magic[] =
4371 {
4372   EL_INTERNAL_CASCADE_MM_ACTIVE,
4373   EL_CHAR('M'),
4374   EL_CHAR('M'),
4375   EL_EMPTY,
4376 };
4377
4378 static int editor_el_mirror_magic[] =
4379 {
4380   EL_MM_MCDUFFIN_RIGHT,
4381   EL_MM_MCDUFFIN_UP,
4382   EL_MM_MCDUFFIN_LEFT,
4383   EL_MM_MCDUFFIN_DOWN,
4384
4385   EL_MM_MIRROR_START,
4386   EL_MM_MIRROR_FIXED_START,
4387   EL_MM_POLARISATOR_START,
4388   EL_MM_POLARISATOR_CROSS_START,
4389
4390   EL_MM_BEAMER_RED_START,
4391   EL_MM_BEAMER_YELLOW_START,
4392   EL_MM_BEAMER_GREEN_START,
4393   EL_MM_BEAMER_BLUE_START,
4394
4395   EL_MM_PRISM,
4396   EL_MM_FUSE_ACTIVE,
4397   EL_MM_PACMAN_RIGHT,
4398   EL_MM_EXIT_CLOSED,
4399
4400   EL_MM_KETTLE,
4401   EL_MM_BOMB,
4402   EL_MM_KEY,
4403   EL_MM_FUEL_FULL,
4404
4405   EL_MM_LIGHTBULB,
4406   EL_MM_LIGHTBULB_ACTIVE,
4407   EL_MM_GRAY_BALL,
4408   EL_MM_LIGHTBALL,
4409
4410   EL_MM_STEEL_WALL,
4411   EL_MM_WOODEN_WALL,
4412   EL_MM_ICE_WALL,
4413   EL_MM_AMOEBA_WALL,
4414
4415   EL_MM_STEEL_LOCK,
4416   EL_MM_WOODEN_LOCK,
4417   EL_MM_STEEL_BLOCK,
4418   EL_MM_WOODEN_BLOCK,
4419
4420   EL_MM_STEEL_GRID_FIXED_1,
4421   EL_MM_STEEL_GRID_FIXED_2,
4422   EL_MM_STEEL_GRID_FIXED_3,
4423   EL_MM_STEEL_GRID_FIXED_4,
4424
4425   EL_MM_WOODEN_GRID_FIXED_1,
4426   EL_MM_WOODEN_GRID_FIXED_2,
4427   EL_MM_WOODEN_GRID_FIXED_3,
4428   EL_MM_WOODEN_GRID_FIXED_4
4429 };
4430 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4431 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4432 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4433 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4434
4435 static int editor_hl_deflektor[] =
4436 {
4437   EL_INTERNAL_CASCADE_DF_ACTIVE,
4438   EL_CHAR('D'),
4439   EL_CHAR('F'),
4440   EL_EMPTY,
4441 };
4442
4443 static int editor_el_deflektor[] =
4444 {
4445   EL_DF_LASER_RIGHT,
4446   EL_DF_LASER_UP,
4447   EL_DF_LASER_LEFT,
4448   EL_DF_LASER_DOWN,
4449
4450   EL_DF_RECEIVER_RIGHT,
4451   EL_DF_RECEIVER_UP,
4452   EL_DF_RECEIVER_LEFT,
4453   EL_DF_RECEIVER_DOWN,
4454
4455   EL_DF_MIRROR_START,
4456   EL_DF_MIRROR_ROTATING_START,
4457   EL_DF_CELL,
4458   EL_DF_MINE,
4459
4460   EL_DF_FIBRE_OPTIC_RED_1,
4461   EL_DF_FIBRE_OPTIC_YELLOW_1,
4462   EL_DF_FIBRE_OPTIC_GREEN_1,
4463   EL_DF_FIBRE_OPTIC_BLUE_1,
4464
4465   EL_DF_STEEL_GRID_FIXED_START,
4466   EL_DF_STEEL_GRID_ROTATING_START,
4467   EL_DF_WOODEN_GRID_FIXED_START,
4468   EL_DF_WOODEN_GRID_ROTATING_START,
4469
4470   EL_DF_STEEL_WALL,
4471   EL_DF_WOODEN_WALL,
4472   EL_DF_REFRACTOR,
4473   EL_EMPTY
4474 };
4475 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4476 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4477 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4478 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4479
4480 static int editor_hl_chars[] =
4481 {
4482   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4483   EL_CHAR('T'),
4484   EL_CHAR('X'),
4485   EL_CHAR('T'),
4486 };
4487
4488 static int editor_el_chars[] =
4489 {
4490   EL_CHAR(' '),
4491   EL_CHAR('!'),
4492   EL_CHAR('"'),
4493   EL_CHAR('#'),
4494
4495   EL_CHAR('$'),
4496   EL_CHAR('%'),
4497   EL_CHAR('&'),
4498   EL_CHAR('\''),
4499
4500   EL_CHAR('('),
4501   EL_CHAR(')'),
4502   EL_CHAR('*'),
4503   EL_CHAR('+'),
4504
4505   EL_CHAR(','),
4506   EL_CHAR('-'),
4507   EL_CHAR('.'),
4508   EL_CHAR('/'),
4509
4510   EL_CHAR('0'),
4511   EL_CHAR('1'),
4512   EL_CHAR('2'),
4513   EL_CHAR('3'),
4514
4515   EL_CHAR('4'),
4516   EL_CHAR('5'),
4517   EL_CHAR('6'),
4518   EL_CHAR('7'),
4519
4520   EL_CHAR('8'),
4521   EL_CHAR('9'),
4522   EL_CHAR(':'),
4523   EL_CHAR(';'),
4524
4525   EL_CHAR('<'),
4526   EL_CHAR('='),
4527   EL_CHAR('>'),
4528   EL_CHAR('?'),
4529
4530   EL_CHAR('@'),
4531   EL_CHAR('A'),
4532   EL_CHAR('B'),
4533   EL_CHAR('C'),
4534
4535   EL_CHAR('D'),
4536   EL_CHAR('E'),
4537   EL_CHAR('F'),
4538   EL_CHAR('G'),
4539
4540   EL_CHAR('H'),
4541   EL_CHAR('I'),
4542   EL_CHAR('J'),
4543   EL_CHAR('K'),
4544
4545   EL_CHAR('L'),
4546   EL_CHAR('M'),
4547   EL_CHAR('N'),
4548   EL_CHAR('O'),
4549
4550   EL_CHAR('P'),
4551   EL_CHAR('Q'),
4552   EL_CHAR('R'),
4553   EL_CHAR('S'),
4554
4555   EL_CHAR('T'),
4556   EL_CHAR('U'),
4557   EL_CHAR('V'),
4558   EL_CHAR('W'),
4559
4560   EL_CHAR('X'),
4561   EL_CHAR('Y'),
4562   EL_CHAR('Z'),
4563   EL_CHAR('['),
4564
4565   EL_CHAR('\\'),
4566   EL_CHAR(']'),
4567   EL_CHAR('^'),
4568   EL_CHAR('_'),
4569
4570   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4571   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4572   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4573   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4574
4575   EL_CHAR(CHAR_BYTE_DEGREE),
4576   EL_CHAR(CHAR_BYTE_REGISTERED),
4577   EL_CHAR(FONT_ASCII_CURSOR),
4578   EL_CHAR(FONT_ASCII_BUTTON),
4579
4580   EL_CHAR(FONT_ASCII_UP),
4581   EL_CHAR(FONT_ASCII_DOWN),
4582   EL_CHAR(' '),
4583   EL_CHAR(' ')
4584 };
4585 static int *editor_hl_chars_ptr = editor_hl_chars;
4586 static int *editor_el_chars_ptr = editor_el_chars;
4587 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4588 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4589
4590 static int editor_hl_steel_chars[] =
4591 {
4592   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4593   EL_STEEL_CHAR('T'),
4594   EL_STEEL_CHAR('X'),
4595   EL_STEEL_CHAR('T'),
4596 };
4597
4598 static int editor_el_steel_chars[] =
4599 {
4600   EL_STEEL_CHAR(' '),
4601   EL_STEEL_CHAR('!'),
4602   EL_STEEL_CHAR('"'),
4603   EL_STEEL_CHAR('#'),
4604
4605   EL_STEEL_CHAR('$'),
4606   EL_STEEL_CHAR('%'),
4607   EL_STEEL_CHAR('&'),
4608   EL_STEEL_CHAR('\''),
4609
4610   EL_STEEL_CHAR('('),
4611   EL_STEEL_CHAR(')'),
4612   EL_STEEL_CHAR('*'),
4613   EL_STEEL_CHAR('+'),
4614
4615   EL_STEEL_CHAR(','),
4616   EL_STEEL_CHAR('-'),
4617   EL_STEEL_CHAR('.'),
4618   EL_STEEL_CHAR('/'),
4619
4620   EL_STEEL_CHAR('0'),
4621   EL_STEEL_CHAR('1'),
4622   EL_STEEL_CHAR('2'),
4623   EL_STEEL_CHAR('3'),
4624
4625   EL_STEEL_CHAR('4'),
4626   EL_STEEL_CHAR('5'),
4627   EL_STEEL_CHAR('6'),
4628   EL_STEEL_CHAR('7'),
4629
4630   EL_STEEL_CHAR('8'),
4631   EL_STEEL_CHAR('9'),
4632   EL_STEEL_CHAR(':'),
4633   EL_STEEL_CHAR(';'),
4634
4635   EL_STEEL_CHAR('<'),
4636   EL_STEEL_CHAR('='),
4637   EL_STEEL_CHAR('>'),
4638   EL_STEEL_CHAR('?'),
4639
4640   EL_STEEL_CHAR('@'),
4641   EL_STEEL_CHAR('A'),
4642   EL_STEEL_CHAR('B'),
4643   EL_STEEL_CHAR('C'),
4644
4645   EL_STEEL_CHAR('D'),
4646   EL_STEEL_CHAR('E'),
4647   EL_STEEL_CHAR('F'),
4648   EL_STEEL_CHAR('G'),
4649
4650   EL_STEEL_CHAR('H'),
4651   EL_STEEL_CHAR('I'),
4652   EL_STEEL_CHAR('J'),
4653   EL_STEEL_CHAR('K'),
4654
4655   EL_STEEL_CHAR('L'),
4656   EL_STEEL_CHAR('M'),
4657   EL_STEEL_CHAR('N'),
4658   EL_STEEL_CHAR('O'),
4659
4660   EL_STEEL_CHAR('P'),
4661   EL_STEEL_CHAR('Q'),
4662   EL_STEEL_CHAR('R'),
4663   EL_STEEL_CHAR('S'),
4664
4665   EL_STEEL_CHAR('T'),
4666   EL_STEEL_CHAR('U'),
4667   EL_STEEL_CHAR('V'),
4668   EL_STEEL_CHAR('W'),
4669
4670   EL_STEEL_CHAR('X'),
4671   EL_STEEL_CHAR('Y'),
4672   EL_STEEL_CHAR('Z'),
4673   EL_STEEL_CHAR('['),
4674
4675   EL_STEEL_CHAR('\\'),
4676   EL_STEEL_CHAR(']'),
4677   EL_STEEL_CHAR('^'),
4678   EL_STEEL_CHAR('_'),
4679
4680   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4681   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4682   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4683   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4684
4685   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4686   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4687   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4688   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4689
4690   EL_STEEL_CHAR(FONT_ASCII_UP),
4691   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4692   EL_STEEL_CHAR(' '),
4693   EL_STEEL_CHAR(' ')
4694 };
4695 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4696 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4697 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4698 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4699
4700 static int editor_hl_custom[] =
4701 {
4702   EL_INTERNAL_CASCADE_CE_ACTIVE,
4703   EL_CHAR('C'),
4704   EL_CHAR('E'),
4705   EL_EMPTY,
4706 };
4707
4708 static int editor_el_custom[] =
4709 {
4710   EL_CUSTOM_START + 0,
4711   EL_CUSTOM_START + 1,
4712   EL_CUSTOM_START + 2,
4713   EL_CUSTOM_START + 3,
4714
4715   EL_CUSTOM_START + 4,
4716   EL_CUSTOM_START + 5,
4717   EL_CUSTOM_START + 6,
4718   EL_CUSTOM_START + 7,
4719
4720   EL_CUSTOM_START + 8,
4721   EL_CUSTOM_START + 9,
4722   EL_CUSTOM_START + 10,
4723   EL_CUSTOM_START + 11,
4724
4725   EL_CUSTOM_START + 12,
4726   EL_CUSTOM_START + 13,
4727   EL_CUSTOM_START + 14,
4728   EL_CUSTOM_START + 15,
4729
4730   EL_CUSTOM_START + 16,
4731   EL_CUSTOM_START + 17,
4732   EL_CUSTOM_START + 18,
4733   EL_CUSTOM_START + 19,
4734
4735   EL_CUSTOM_START + 20,
4736   EL_CUSTOM_START + 21,
4737   EL_CUSTOM_START + 22,
4738   EL_CUSTOM_START + 23,
4739
4740   EL_CUSTOM_START + 24,
4741   EL_CUSTOM_START + 25,
4742   EL_CUSTOM_START + 26,
4743   EL_CUSTOM_START + 27,
4744
4745   EL_CUSTOM_START + 28,
4746   EL_CUSTOM_START + 29,
4747   EL_CUSTOM_START + 30,
4748   EL_CUSTOM_START + 31,
4749
4750   EL_CUSTOM_START + 32,
4751   EL_CUSTOM_START + 33,
4752   EL_CUSTOM_START + 34,
4753   EL_CUSTOM_START + 35,
4754
4755   EL_CUSTOM_START + 36,
4756   EL_CUSTOM_START + 37,
4757   EL_CUSTOM_START + 38,
4758   EL_CUSTOM_START + 39,
4759
4760   EL_CUSTOM_START + 40,
4761   EL_CUSTOM_START + 41,
4762   EL_CUSTOM_START + 42,
4763   EL_CUSTOM_START + 43,
4764
4765   EL_CUSTOM_START + 44,
4766   EL_CUSTOM_START + 45,
4767   EL_CUSTOM_START + 46,
4768   EL_CUSTOM_START + 47,
4769
4770   EL_CUSTOM_START + 48,
4771   EL_CUSTOM_START + 49,
4772   EL_CUSTOM_START + 50,
4773   EL_CUSTOM_START + 51,
4774
4775   EL_CUSTOM_START + 52,
4776   EL_CUSTOM_START + 53,
4777   EL_CUSTOM_START + 54,
4778   EL_CUSTOM_START + 55,
4779
4780   EL_CUSTOM_START + 56,
4781   EL_CUSTOM_START + 57,
4782   EL_CUSTOM_START + 58,
4783   EL_CUSTOM_START + 59,
4784
4785   EL_CUSTOM_START + 60,
4786   EL_CUSTOM_START + 61,
4787   EL_CUSTOM_START + 62,
4788   EL_CUSTOM_START + 63,
4789
4790   EL_CUSTOM_START + 64,
4791   EL_CUSTOM_START + 65,
4792   EL_CUSTOM_START + 66,
4793   EL_CUSTOM_START + 67,
4794
4795   EL_CUSTOM_START + 68,
4796   EL_CUSTOM_START + 69,
4797   EL_CUSTOM_START + 70,
4798   EL_CUSTOM_START + 71,
4799
4800   EL_CUSTOM_START + 72,
4801   EL_CUSTOM_START + 73,
4802   EL_CUSTOM_START + 74,
4803   EL_CUSTOM_START + 75,
4804
4805   EL_CUSTOM_START + 76,
4806   EL_CUSTOM_START + 77,
4807   EL_CUSTOM_START + 78,
4808   EL_CUSTOM_START + 79,
4809
4810   EL_CUSTOM_START + 80,
4811   EL_CUSTOM_START + 81,
4812   EL_CUSTOM_START + 82,
4813   EL_CUSTOM_START + 83,
4814
4815   EL_CUSTOM_START + 84,
4816   EL_CUSTOM_START + 85,
4817   EL_CUSTOM_START + 86,
4818   EL_CUSTOM_START + 87,
4819
4820   EL_CUSTOM_START + 88,
4821   EL_CUSTOM_START + 89,
4822   EL_CUSTOM_START + 90,
4823   EL_CUSTOM_START + 91,
4824
4825   EL_CUSTOM_START + 92,
4826   EL_CUSTOM_START + 93,
4827   EL_CUSTOM_START + 94,
4828   EL_CUSTOM_START + 95,
4829
4830   EL_CUSTOM_START + 96,
4831   EL_CUSTOM_START + 97,
4832   EL_CUSTOM_START + 98,
4833   EL_CUSTOM_START + 99,
4834
4835   EL_CUSTOM_START + 100,
4836   EL_CUSTOM_START + 101,
4837   EL_CUSTOM_START + 102,
4838   EL_CUSTOM_START + 103,
4839
4840   EL_CUSTOM_START + 104,
4841   EL_CUSTOM_START + 105,
4842   EL_CUSTOM_START + 106,
4843   EL_CUSTOM_START + 107,
4844
4845   EL_CUSTOM_START + 108,
4846   EL_CUSTOM_START + 109,
4847   EL_CUSTOM_START + 110,
4848   EL_CUSTOM_START + 111,
4849
4850   EL_CUSTOM_START + 112,
4851   EL_CUSTOM_START + 113,
4852   EL_CUSTOM_START + 114,
4853   EL_CUSTOM_START + 115,
4854
4855   EL_CUSTOM_START + 116,
4856   EL_CUSTOM_START + 117,
4857   EL_CUSTOM_START + 118,
4858   EL_CUSTOM_START + 119,
4859
4860   EL_CUSTOM_START + 120,
4861   EL_CUSTOM_START + 121,
4862   EL_CUSTOM_START + 122,
4863   EL_CUSTOM_START + 123,
4864
4865   EL_CUSTOM_START + 124,
4866   EL_CUSTOM_START + 125,
4867   EL_CUSTOM_START + 126,
4868   EL_CUSTOM_START + 127,
4869
4870   EL_CUSTOM_START + 128,
4871   EL_CUSTOM_START + 129,
4872   EL_CUSTOM_START + 130,
4873   EL_CUSTOM_START + 131,
4874
4875   EL_CUSTOM_START + 132,
4876   EL_CUSTOM_START + 133,
4877   EL_CUSTOM_START + 134,
4878   EL_CUSTOM_START + 135,
4879
4880   EL_CUSTOM_START + 136,
4881   EL_CUSTOM_START + 137,
4882   EL_CUSTOM_START + 138,
4883   EL_CUSTOM_START + 139,
4884
4885   EL_CUSTOM_START + 140,
4886   EL_CUSTOM_START + 141,
4887   EL_CUSTOM_START + 142,
4888   EL_CUSTOM_START + 143,
4889
4890   EL_CUSTOM_START + 144,
4891   EL_CUSTOM_START + 145,
4892   EL_CUSTOM_START + 146,
4893   EL_CUSTOM_START + 147,
4894
4895   EL_CUSTOM_START + 148,
4896   EL_CUSTOM_START + 149,
4897   EL_CUSTOM_START + 150,
4898   EL_CUSTOM_START + 151,
4899
4900   EL_CUSTOM_START + 152,
4901   EL_CUSTOM_START + 153,
4902   EL_CUSTOM_START + 154,
4903   EL_CUSTOM_START + 155,
4904
4905   EL_CUSTOM_START + 156,
4906   EL_CUSTOM_START + 157,
4907   EL_CUSTOM_START + 158,
4908   EL_CUSTOM_START + 159,
4909
4910   EL_CUSTOM_START + 160,
4911   EL_CUSTOM_START + 161,
4912   EL_CUSTOM_START + 162,
4913   EL_CUSTOM_START + 163,
4914
4915   EL_CUSTOM_START + 164,
4916   EL_CUSTOM_START + 165,
4917   EL_CUSTOM_START + 166,
4918   EL_CUSTOM_START + 167,
4919
4920   EL_CUSTOM_START + 168,
4921   EL_CUSTOM_START + 169,
4922   EL_CUSTOM_START + 170,
4923   EL_CUSTOM_START + 171,
4924
4925   EL_CUSTOM_START + 172,
4926   EL_CUSTOM_START + 173,
4927   EL_CUSTOM_START + 174,
4928   EL_CUSTOM_START + 175,
4929
4930   EL_CUSTOM_START + 176,
4931   EL_CUSTOM_START + 177,
4932   EL_CUSTOM_START + 178,
4933   EL_CUSTOM_START + 179,
4934
4935   EL_CUSTOM_START + 180,
4936   EL_CUSTOM_START + 181,
4937   EL_CUSTOM_START + 182,
4938   EL_CUSTOM_START + 183,
4939
4940   EL_CUSTOM_START + 184,
4941   EL_CUSTOM_START + 185,
4942   EL_CUSTOM_START + 186,
4943   EL_CUSTOM_START + 187,
4944
4945   EL_CUSTOM_START + 188,
4946   EL_CUSTOM_START + 189,
4947   EL_CUSTOM_START + 190,
4948   EL_CUSTOM_START + 191,
4949
4950   EL_CUSTOM_START + 192,
4951   EL_CUSTOM_START + 193,
4952   EL_CUSTOM_START + 194,
4953   EL_CUSTOM_START + 195,
4954
4955   EL_CUSTOM_START + 196,
4956   EL_CUSTOM_START + 197,
4957   EL_CUSTOM_START + 198,
4958   EL_CUSTOM_START + 199,
4959
4960   EL_CUSTOM_START + 200,
4961   EL_CUSTOM_START + 201,
4962   EL_CUSTOM_START + 202,
4963   EL_CUSTOM_START + 203,
4964
4965   EL_CUSTOM_START + 204,
4966   EL_CUSTOM_START + 205,
4967   EL_CUSTOM_START + 206,
4968   EL_CUSTOM_START + 207,
4969
4970   EL_CUSTOM_START + 208,
4971   EL_CUSTOM_START + 209,
4972   EL_CUSTOM_START + 210,
4973   EL_CUSTOM_START + 211,
4974
4975   EL_CUSTOM_START + 212,
4976   EL_CUSTOM_START + 213,
4977   EL_CUSTOM_START + 214,
4978   EL_CUSTOM_START + 215,
4979
4980   EL_CUSTOM_START + 216,
4981   EL_CUSTOM_START + 217,
4982   EL_CUSTOM_START + 218,
4983   EL_CUSTOM_START + 219,
4984
4985   EL_CUSTOM_START + 220,
4986   EL_CUSTOM_START + 221,
4987   EL_CUSTOM_START + 222,
4988   EL_CUSTOM_START + 223,
4989
4990   EL_CUSTOM_START + 224,
4991   EL_CUSTOM_START + 225,
4992   EL_CUSTOM_START + 226,
4993   EL_CUSTOM_START + 227,
4994
4995   EL_CUSTOM_START + 228,
4996   EL_CUSTOM_START + 229,
4997   EL_CUSTOM_START + 230,
4998   EL_CUSTOM_START + 231,
4999
5000   EL_CUSTOM_START + 232,
5001   EL_CUSTOM_START + 233,
5002   EL_CUSTOM_START + 234,
5003   EL_CUSTOM_START + 235,
5004
5005   EL_CUSTOM_START + 236,
5006   EL_CUSTOM_START + 237,
5007   EL_CUSTOM_START + 238,
5008   EL_CUSTOM_START + 239,
5009
5010   EL_CUSTOM_START + 240,
5011   EL_CUSTOM_START + 241,
5012   EL_CUSTOM_START + 242,
5013   EL_CUSTOM_START + 243,
5014
5015   EL_CUSTOM_START + 244,
5016   EL_CUSTOM_START + 245,
5017   EL_CUSTOM_START + 246,
5018   EL_CUSTOM_START + 247,
5019
5020   EL_CUSTOM_START + 248,
5021   EL_CUSTOM_START + 249,
5022   EL_CUSTOM_START + 250,
5023   EL_CUSTOM_START + 251,
5024
5025   EL_CUSTOM_START + 252,
5026   EL_CUSTOM_START + 253,
5027   EL_CUSTOM_START + 254,
5028   EL_CUSTOM_START + 255
5029 };
5030 static int *editor_hl_custom_ptr = editor_hl_custom;
5031 static int *editor_el_custom_ptr = editor_el_custom;
5032 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5033 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5034
5035 static int editor_hl_group[] =
5036 {
5037   EL_INTERNAL_CASCADE_GE_ACTIVE,
5038   EL_CHAR('G'),
5039   EL_CHAR('E'),
5040   EL_EMPTY,
5041 };
5042
5043 static int editor_el_group[] =
5044 {
5045   EL_GROUP_START + 0,
5046   EL_GROUP_START + 1,
5047   EL_GROUP_START + 2,
5048   EL_GROUP_START + 3,
5049
5050   EL_GROUP_START + 4,
5051   EL_GROUP_START + 5,
5052   EL_GROUP_START + 6,
5053   EL_GROUP_START + 7,
5054
5055   EL_GROUP_START + 8,
5056   EL_GROUP_START + 9,
5057   EL_GROUP_START + 10,
5058   EL_GROUP_START + 11,
5059
5060   EL_GROUP_START + 12,
5061   EL_GROUP_START + 13,
5062   EL_GROUP_START + 14,
5063   EL_GROUP_START + 15,
5064
5065   EL_GROUP_START + 16,
5066   EL_GROUP_START + 17,
5067   EL_GROUP_START + 18,
5068   EL_GROUP_START + 19,
5069
5070   EL_GROUP_START + 20,
5071   EL_GROUP_START + 21,
5072   EL_GROUP_START + 22,
5073   EL_GROUP_START + 23,
5074
5075   EL_GROUP_START + 24,
5076   EL_GROUP_START + 25,
5077   EL_GROUP_START + 26,
5078   EL_GROUP_START + 27,
5079
5080   EL_GROUP_START + 28,
5081   EL_GROUP_START + 29,
5082   EL_GROUP_START + 30,
5083   EL_GROUP_START + 31
5084 };
5085 static int *editor_hl_group_ptr = editor_hl_group;
5086 static int *editor_el_group_ptr = editor_el_group;
5087 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5088 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5089
5090 static int editor_hl_reference[] =
5091 {
5092   EL_INTERNAL_CASCADE_REF_ACTIVE,
5093   EL_CHAR('R'),
5094   EL_CHAR('E'),
5095   EL_CHAR('F')
5096 };
5097
5098 static int editor_el_reference[] =
5099 {
5100   EL_TRIGGER_PLAYER,
5101   EL_TRIGGER_ELEMENT,
5102   EL_TRIGGER_CE_VALUE,
5103   EL_TRIGGER_CE_SCORE,
5104
5105   EL_SELF,
5106   EL_ANY_ELEMENT,
5107   EL_CURRENT_CE_VALUE,
5108   EL_CURRENT_CE_SCORE,
5109
5110   EL_PREV_CE_8,
5111   EL_PREV_CE_7,
5112   EL_PREV_CE_6,
5113   EL_PREV_CE_5,
5114
5115   EL_PREV_CE_4,
5116   EL_PREV_CE_3,
5117   EL_PREV_CE_2,
5118   EL_PREV_CE_1,
5119
5120   EL_NEXT_CE_1,
5121   EL_NEXT_CE_2,
5122   EL_NEXT_CE_3,
5123   EL_NEXT_CE_4,
5124
5125   EL_NEXT_CE_5,
5126   EL_NEXT_CE_6,
5127   EL_NEXT_CE_7,
5128   EL_NEXT_CE_8,
5129 };
5130 static int *editor_hl_reference_ptr = editor_hl_reference;
5131 static int *editor_el_reference_ptr = editor_el_reference;
5132 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5133 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5134
5135 static int editor_hl_user_defined[] =
5136 {
5137   EL_INTERNAL_CASCADE_USER_ACTIVE,
5138   EL_CHAR('M'),
5139   EL_CHAR('Y'),
5140   EL_EMPTY,
5141 };
5142
5143 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5144 static int *editor_el_user_defined_ptr = NULL;
5145 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5146 static int num_editor_el_user_defined = 0;
5147
5148 static int editor_hl_dynamic[] =
5149 {
5150   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5151   EL_CHAR('U'),
5152   EL_CHAR('S'),
5153   EL_CHAR('E'),
5154 };
5155
5156 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5157 static int *editor_el_dynamic_ptr = NULL;
5158 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5159 static int num_editor_el_dynamic = 0;
5160
5161 static int editor_hl_empty[] = { EL_EMPTY };
5162 static int *editor_el_empty = NULL;     /* dynamically allocated */
5163
5164 static int *editor_hl_empty_ptr = editor_hl_empty;
5165 static int *editor_el_empty_ptr = NULL;
5166 static int num_editor_hl_empty = 0;
5167 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5168
5169 static boolean use_el_empty = FALSE;
5170
5171 static int *editor_elements = NULL;     /* dynamically allocated */
5172 static int num_editor_elements = 0;     /* dynamically determined */
5173
5174 static boolean setup_editor_cascade_never = FALSE;
5175
5176 static boolean setup_editor_el_players                  = TRUE;
5177 static boolean setup_editor_el_boulderdash              = TRUE;
5178 static boolean setup_editor_el_emerald_mine             = TRUE;
5179 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5180 static boolean setup_editor_el_more                     = TRUE;
5181 static boolean setup_editor_el_sokoban                  = TRUE;
5182 static boolean setup_editor_el_supaplex                 = TRUE;
5183 static boolean setup_editor_el_diamond_caves            = TRUE;
5184 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5185 static boolean setup_editor_el_mirror_magic             = TRUE;
5186 static boolean setup_editor_el_deflektor                = TRUE;
5187 static boolean setup_editor_el_chars                    = TRUE;
5188 static boolean setup_editor_el_steel_chars              = TRUE;
5189 static boolean setup_editor_el_custom                   = TRUE;
5190 static boolean setup_editor_el_user_defined             = TRUE;
5191 static boolean setup_editor_el_dynamic                  = TRUE;
5192
5193 static int editor_hl_unused[] = { EL_EMPTY };
5194 static int *editor_hl_unused_ptr = editor_hl_unused;
5195 static int num_editor_hl_unused = 0;
5196
5197 static struct
5198 {
5199   boolean *setup_value;
5200   boolean *setup_cascade_value;
5201
5202   int **headline_list;
5203   int *headline_list_size;
5204
5205   int **element_list;
5206   int *element_list_size;
5207
5208   boolean last_setup_value;
5209 }
5210 editor_elements_info[] =
5211 {
5212   {
5213     &setup_editor_el_players,
5214     &setup_editor_cascade_never,
5215     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5216     &editor_el_players_ptr,             &num_editor_el_players
5217   },
5218   {
5219     &setup_editor_el_boulderdash,
5220     &setup.editor_cascade.el_bd,
5221     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5222     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5223   },
5224   {
5225     &setup_editor_el_emerald_mine,
5226     &setup.editor_cascade.el_em,
5227     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5228     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5229   },
5230   {
5231     &setup_editor_el_emerald_mine_club,
5232     &setup.editor_cascade.el_emc,
5233     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5234     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5235   },
5236   {
5237     &setup_editor_el_more,
5238     &setup.editor_cascade.el_rnd,
5239     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5240     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5241   },
5242   {
5243     &setup_editor_el_sokoban,
5244     &setup.editor_cascade.el_sb,
5245     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5246     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5247   },
5248   {
5249     &setup_editor_el_supaplex,
5250     &setup.editor_cascade.el_sp,
5251     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5252     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5253   },
5254   {
5255     &setup_editor_el_diamond_caves,
5256     &setup.editor_cascade.el_dc,
5257     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5258     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5259   },
5260   {
5261     &setup_editor_el_dx_boulderdash,
5262     &setup.editor_cascade.el_dx,
5263     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5264     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5265   },
5266   {
5267     &setup_editor_el_mirror_magic,
5268     &setup.editor_cascade.el_mm,
5269     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5270     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5271   },
5272   {
5273     &setup_editor_el_deflektor,
5274     &setup.editor_cascade.el_df,
5275     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5276     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5277   },
5278   {
5279     &setup_editor_el_chars,
5280     &setup.editor_cascade.el_chars,
5281     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5282     &editor_el_chars_ptr,               &num_editor_el_chars
5283   },
5284   {
5285     &setup_editor_el_steel_chars,
5286     &setup.editor_cascade.el_steel_chars,
5287     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5288     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5289   },
5290   {
5291     &setup_editor_el_custom,
5292     &setup.editor_cascade.el_ce,
5293     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5294     &editor_el_custom_ptr,              &num_editor_el_custom
5295   },
5296   {
5297     &setup_editor_el_custom,
5298     &setup.editor_cascade.el_ge,
5299     &editor_hl_group_ptr,               &num_editor_hl_group,
5300     &editor_el_group_ptr,               &num_editor_el_group
5301   },
5302   {
5303     &setup_editor_el_custom,
5304     &setup.editor_cascade.el_ref,
5305     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5306     &editor_el_reference_ptr,           &num_editor_el_reference
5307   },
5308   {
5309     &setup_editor_el_user_defined,
5310     &setup.editor_cascade.el_user,
5311     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5312     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5313   },
5314   {
5315     &setup_editor_el_dynamic,
5316     &setup.editor_cascade.el_dynamic,
5317     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5318     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5319   },
5320   {
5321     &use_el_empty,
5322     &use_el_empty,
5323     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5324     &editor_el_empty_ptr,               &num_editor_el_empty,
5325   },
5326   {
5327     NULL,
5328     NULL,
5329     NULL,                               NULL,
5330     NULL,                               NULL
5331   }
5332 };
5333
5334
5335 /*
5336   -----------------------------------------------------------------------------
5337   functions
5338   -----------------------------------------------------------------------------
5339 */
5340
5341 static int getMaxInfoTextLength()
5342 {
5343   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5344 }
5345
5346 static int getTextWidthForGadget(char *text)
5347 {
5348   if (text == NULL)
5349     return 0;
5350
5351   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5352 }
5353
5354 static int getTextWidthForDrawingArea(char *text)
5355 {
5356   if (text == NULL)
5357     return 0;
5358
5359   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5360 }
5361
5362 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5363 {
5364   return (gi->x + gi->width + getTextWidthForGadget(text));
5365 }
5366
5367 static char *getElementInfoText(int element)
5368 {
5369   char *info_text = NULL;
5370
5371   if (element < MAX_NUM_ELEMENTS)
5372   {
5373     if (strlen(element_info[element].description) > 0)
5374       info_text = element_info[element].description;
5375     else if (element_info[element].custom_description != NULL)
5376       info_text = element_info[element].custom_description;
5377     else if (element_info[element].editor_description != NULL)
5378       info_text = element_info[element].editor_description;
5379   }
5380
5381   if (info_text == NULL)
5382     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5383
5384   return info_text;
5385 }
5386
5387 static char *getElementDescriptionFilenameExt(char *basename)
5388 {
5389   char *elements_subdir = "elements";
5390   static char *elements_subdir2 = NULL;
5391   static char *filename = NULL;
5392
5393   if (elements_subdir2 == NULL)
5394     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5395
5396   checked_free(filename);
5397
5398   /* 1st try: look for element description in current level set directory */
5399   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5400   if (fileExists(filename))
5401     return filename;
5402
5403   free(filename);
5404
5405   /* 2nd try: look for element description in the game's base directory */
5406   filename = getPath3(options.docs_directory, elements_subdir, basename);
5407   if (fileExists(filename))
5408     return filename;
5409
5410   return NULL;
5411 }
5412
5413 char *getElementDescriptionFilename(int element)
5414 {
5415   char basename[MAX_FILENAME_LEN];
5416   char *filename;
5417
5418   /* 1st try: look for element description file for exactly this element */
5419   sprintf(basename, "%s.txt", element_info[element].token_name);
5420   filename = getElementDescriptionFilenameExt(basename);
5421   if (filename != NULL)
5422     return filename;
5423
5424   /* 2nd try: look for element description file for this element's class */
5425   sprintf(basename, "%s.txt", element_info[element].class_name);
5426   filename = getElementDescriptionFilenameExt(basename);
5427   if (filename != NULL)
5428     return filename;
5429
5430   return NULL;
5431 }
5432
5433 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5434 {
5435   boolean element_found[NUM_FILE_ELEMENTS];
5436   int i, x, y;
5437
5438   /* initialize list of used elements to "not used" */
5439   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5440     element_found[i] = FALSE;
5441
5442   /* find all elements used in current level */
5443   for (y = 0; y < lev_fieldy; y++)
5444     for (x = 0; x < lev_fieldx; x++)
5445       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5446         element_found[Feld[x][y]] = TRUE;
5447
5448   *num_elements = 0;
5449
5450   /* count number of elements used in current level */
5451   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5452     if (element_found[i])
5453       (*num_elements)++;
5454
5455   /* add space for up to 3 more elements for padding that may be needed */
5456   *num_elements += 3;
5457
5458   /* free memory for old list of elements, if needed */
5459   checked_free(*elements);
5460
5461   /* allocate memory for new list of elements */
5462   *elements = checked_malloc(*num_elements * sizeof(int));
5463
5464   *num_elements = 0;
5465
5466   /* add all elements used in current level (non-custom/group elements) */
5467   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5468     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5469       (*elements)[(*num_elements)++] = i;
5470
5471   /* add all elements used in current level (custom/group elements) */
5472   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5473     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5474       (*elements)[(*num_elements)++] = i;
5475
5476   while (*num_elements % 4)     /* pad with empty elements, if needed */
5477     (*elements)[(*num_elements)++] = EL_EMPTY;
5478 }
5479
5480 static void ReinitializeElementList_EnableSections()
5481 {
5482   /* default: enable all element sections */
5483
5484   setup_editor_el_players               = TRUE;
5485   setup_editor_el_boulderdash           = TRUE;
5486   setup_editor_el_emerald_mine          = TRUE;
5487   setup_editor_el_emerald_mine_club     = TRUE;
5488   setup_editor_el_more                  = TRUE;
5489   setup_editor_el_sokoban               = TRUE;
5490   setup_editor_el_supaplex              = TRUE;
5491   setup_editor_el_diamond_caves         = TRUE;
5492   setup_editor_el_dx_boulderdash        = TRUE;
5493   setup_editor_el_mirror_magic          = TRUE;
5494   setup_editor_el_deflektor             = TRUE;
5495   setup_editor_el_chars                 = TRUE;
5496   setup_editor_el_steel_chars           = TRUE;
5497
5498   setup_editor_el_custom                = TRUE;
5499   setup_editor_el_user_defined          = TRUE;
5500   setup_editor_el_dynamic               = TRUE;
5501
5502   /* now disable all element sections not to be displayed */
5503
5504   if (!setup.editor.el_classic)
5505   {
5506     setup_editor_el_players             = FALSE;
5507     setup_editor_el_boulderdash         = FALSE;
5508     setup_editor_el_emerald_mine        = FALSE;
5509     setup_editor_el_emerald_mine_club   = FALSE;
5510     setup_editor_el_more                = FALSE;
5511     setup_editor_el_sokoban             = FALSE;
5512     setup_editor_el_supaplex            = FALSE;
5513     setup_editor_el_diamond_caves       = FALSE;
5514     setup_editor_el_dx_boulderdash      = FALSE;
5515     setup_editor_el_mirror_magic        = FALSE;
5516     setup_editor_el_deflektor           = FALSE;
5517     setup_editor_el_chars               = FALSE;
5518     setup_editor_el_steel_chars         = FALSE;
5519   }
5520
5521   if (!setup.editor.el_custom)
5522   {
5523     setup_editor_el_custom              = FALSE;
5524   }
5525
5526   if (!setup.editor.el_user_defined)
5527   {
5528     setup_editor_el_user_defined        = FALSE;
5529   }
5530
5531   if (!setup.editor.el_dynamic)
5532   {
5533     setup_editor_el_dynamic             = FALSE;
5534   }
5535
5536   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5537   {
5538     setup_editor_el_mirror_magic        = FALSE;
5539     setup_editor_el_deflektor           = FALSE;
5540   }
5541   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5542   {
5543     setup_editor_el_boulderdash         = FALSE;
5544     setup_editor_el_more                = FALSE;
5545     setup_editor_el_sokoban             = FALSE;
5546     setup_editor_el_supaplex            = FALSE;
5547     setup_editor_el_diamond_caves       = FALSE;
5548     setup_editor_el_dx_boulderdash      = FALSE;
5549     setup_editor_el_mirror_magic        = FALSE;
5550     setup_editor_el_deflektor           = FALSE;
5551     setup_editor_el_steel_chars         = FALSE;
5552
5553     setup_editor_el_custom              = FALSE;
5554   }
5555   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5556   {
5557     setup_editor_el_players             = FALSE;
5558     setup_editor_el_boulderdash         = FALSE;
5559     setup_editor_el_emerald_mine        = FALSE;
5560     setup_editor_el_emerald_mine_club   = FALSE;
5561     setup_editor_el_more                = FALSE;
5562     setup_editor_el_sokoban             = FALSE;
5563     setup_editor_el_diamond_caves       = FALSE;
5564     setup_editor_el_dx_boulderdash      = FALSE;
5565     setup_editor_el_mirror_magic        = FALSE;
5566     setup_editor_el_deflektor           = FALSE;
5567     setup_editor_el_chars               = FALSE;
5568     setup_editor_el_steel_chars         = FALSE;
5569
5570     setup_editor_el_custom              = FALSE;
5571   }
5572   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5573   {
5574     setup_editor_el_players             = FALSE;
5575     setup_editor_el_boulderdash         = FALSE;
5576     setup_editor_el_emerald_mine        = FALSE;
5577     setup_editor_el_emerald_mine_club   = FALSE;
5578     setup_editor_el_more                = FALSE;
5579     setup_editor_el_sokoban             = FALSE;
5580     setup_editor_el_supaplex            = FALSE;
5581     setup_editor_el_diamond_caves       = FALSE;
5582     setup_editor_el_dx_boulderdash      = FALSE;
5583     setup_editor_el_steel_chars         = FALSE;
5584
5585     setup_editor_el_custom              = FALSE;
5586   }
5587 }
5588
5589 static void ReinitializeElementList()
5590 {
5591   static boolean initialization_needed = TRUE;
5592   int pos = 0;
5593   int i, j;
5594
5595   ReinitializeElementList_EnableSections();
5596
5597   if (initialization_needed)
5598   {
5599     LoadSetup_EditorCascade();          /* load last editor cascade state */
5600
5601     /* initialize editor cascade element from saved cascade state */
5602     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5603     {
5604       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5605       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5606
5607       if (IS_EDITOR_CASCADE(*cascade_element))
5608         *cascade_element =
5609           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5610            EL_CASCADE_INACTIVE(*cascade_element));
5611     }
5612
5613     initialization_needed = FALSE;
5614   }
5615
5616   checked_free(editor_elements);
5617
5618   /* reload optional user defined element list for each invocation of editor */
5619   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5620                                    &num_editor_el_user_defined);
5621
5622   /* initialize dynamic level element list for each invocation of editor */
5623   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5624                                &num_editor_el_dynamic);
5625
5626   /* initialize list of empty elements (used for padding, if needed) */
5627   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5628     editor_el_empty[i] = EL_EMPTY;
5629
5630   /* do some sanity checks for each element from element list */
5631   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5632   {
5633     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5634     {
5635       int element = (*editor_elements_info[i].element_list)[j];
5636
5637       if (element >= NUM_FILE_ELEMENTS)
5638         Error(ERR_WARN, "editor element %d is runtime element", element);
5639
5640       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5641         Error(ERR_WARN, "no element description text for element %d", element);
5642     }
5643   }
5644
5645   num_editor_elements = 0;
5646   use_el_empty = FALSE;
5647
5648   /* determine size of element list */
5649   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5650   {
5651     boolean found_inactive_cascade = FALSE;
5652
5653     if (*editor_elements_info[i].setup_value)
5654     {
5655       if (setup.editor.el_headlines)
5656       {
5657         // required for correct padding of palette headline buttons
5658         if (*editor_elements_info[i].headline_list_size > 0)
5659           num_editor_elements += editor.palette.cols;
5660
5661         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5662         {
5663           int element = (*editor_elements_info[i].headline_list)[j];
5664
5665           if (IS_EDITOR_CASCADE_INACTIVE(element))
5666             found_inactive_cascade = TRUE;
5667         }
5668       }
5669
5670       if (found_inactive_cascade)
5671         continue;
5672
5673       // required for correct padding of palette element buttons
5674       int element_list_size = *editor_elements_info[i].element_list_size;
5675       int element_rows =
5676         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5677       int element_buttons = editor.palette.cols * element_rows;
5678
5679       num_editor_elements += element_buttons;
5680     }
5681   }
5682
5683   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5684   {
5685     /* offer at least as many elements as element buttons exist */
5686     use_el_empty = TRUE;
5687     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5688
5689     num_editor_elements += num_editor_el_empty;
5690   }
5691
5692   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5693
5694   /* fill element list */
5695   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5696   {
5697     boolean found_inactive_cascade = FALSE;
5698
5699     if (*editor_elements_info[i].setup_value)
5700     {
5701       if (setup.editor.el_headlines)
5702       {
5703         // required for correct padding of palette headline buttons
5704         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5705                              editor.palette.cols : 0);
5706
5707         for (j = 0; j < headline_size; j++)
5708         {
5709           // use empty elements for padding of palette headline buttons
5710           int element = (j < *editor_elements_info[i].headline_list_size ?
5711                          (*editor_elements_info[i].headline_list)[j] :
5712                          editor_el_empty[0]);
5713
5714           editor_elements[pos++] = element;
5715
5716           if (IS_EDITOR_CASCADE_INACTIVE(element))
5717             found_inactive_cascade = TRUE;
5718         }
5719       }
5720
5721       if (found_inactive_cascade)
5722         continue;
5723
5724       // required for correct padding of palette element buttons
5725       int element_list_size = *editor_elements_info[i].element_list_size;
5726       int element_rows =
5727         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5728       int element_buttons = editor.palette.cols * element_rows;
5729
5730       // copy all elements from element list
5731       for (j = 0; j < element_list_size; j++)
5732         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5733
5734       // use empty elements for padding of palette element buttons
5735       for (j = 0; j < element_buttons - element_list_size; j++)
5736         editor_elements[pos++] = editor_el_empty[0];
5737     }
5738   }
5739
5740   /* (this function is also called before editor gadgets are initialized!) */
5741   AdjustElementListScrollbar();
5742 }
5743
5744 void PrintEditorElementList()
5745 {
5746   boolean *stop = &setup_editor_el_user_defined;
5747   int i, j;
5748
5749   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5750   {
5751     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5752
5753     if (IS_EDITOR_CASCADE(cascade_element))
5754     {
5755       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5756       char *headline = element_info[cascade_element_show].editor_description;
5757
5758       PrintLineWithPrefix("# ", "-", 77);
5759       Print("# %s\n", headline);
5760       PrintLineWithPrefix("# ", "-", 77);
5761     }
5762
5763     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5764     {
5765       int element = (*editor_elements_info[i].headline_list)[j];
5766
5767       if (IS_EDITOR_CASCADE(element))
5768         element = EL_CHAR_MINUS;
5769
5770       Print("# %s\n", element_info[element].token_name);
5771     }
5772
5773     if (j > 0)
5774       Print("#\n");
5775
5776     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5777     {
5778       int element = (*editor_elements_info[i].element_list)[j];
5779
5780       Print("# %s\n", element_info[element].token_name);
5781     }
5782
5783     if (j > 0)
5784       Print("#\n");
5785   }
5786 }
5787
5788 static void ReinitializeElementListButtons()
5789 {
5790   static boolean last_setup_value_headlines = FALSE;
5791   static boolean initialization_needed = TRUE;
5792   int i;
5793
5794   if (!initialization_needed)   /* check if editor element setup has changed */
5795   {
5796     if (last_setup_value_headlines != setup.editor.el_headlines)
5797       initialization_needed = TRUE;
5798
5799     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5800       if (editor_elements_info[i].last_setup_value !=
5801           *editor_elements_info[i].setup_value)
5802         initialization_needed = TRUE;
5803   }
5804
5805   if (!initialization_needed)
5806     return;
5807
5808   FreeLevelEditorGadgets();
5809   CreateLevelEditorGadgets();
5810
5811   /* store current setup values for next invocation of this function */
5812   last_setup_value_headlines = setup.editor.el_headlines;
5813   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5814     editor_elements_info[i].last_setup_value =
5815       *editor_elements_info[i].setup_value;
5816
5817   initialization_needed = FALSE;
5818 }
5819
5820 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5821                               boolean input)
5822 {
5823   int border_graphic =
5824     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5825   struct GraphicInfo *g = &graphic_info[border_graphic];
5826   Bitmap *src_bitmap = g->bitmap;
5827   int src_x = g->src_x;
5828   int src_y = g->src_y;
5829   int border_size = g->border_size;
5830   int border_xpos = g->width  - border_size;
5831   int border_ypos = g->height - border_size;
5832   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5833   int i;
5834
5835   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5836              border_size, border_size,
5837              dest_x - border_size, dest_y - border_size);
5838   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5839              border_size, border_size,
5840              dest_x + width, dest_y - border_size);
5841   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5842              border_size, border_size,
5843              dest_x - border_size, dest_y + height);
5844   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5845              border_size, border_size,
5846              dest_x + width, dest_y + height);
5847
5848   for (i = 0; i < width / tilesize; i++)
5849   {
5850     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5851                tilesize, border_size,
5852                dest_x + i * tilesize, dest_y - border_size);
5853     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5854                tilesize, border_size,
5855                dest_x + i * tilesize, dest_y + height);
5856   }
5857
5858   for (i = 0; i < height / tilesize; i++)
5859   {
5860     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5861                border_size, tilesize,
5862                dest_x - border_size, dest_y + i * tilesize);
5863     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5864                border_size, tilesize,
5865                dest_x + width, dest_y + i * tilesize);
5866   }
5867
5868   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5869 }
5870
5871 static void DrawEditorElement(int x, int y, int element)
5872 {
5873   DrawSizedElement(x, y, element, ed_tilesize);
5874 }
5875
5876 static void DrawEditorElementThruMask(int x, int y, int element)
5877 {
5878   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5879 }
5880
5881 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5882 {
5883   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5884 }
5885
5886 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5887 {
5888   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5889 }
5890
5891 static void DrawDrawingArea(int id)
5892 {
5893   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5894   int x, y;
5895
5896   int *value = drawingarea_info[id].value;
5897   int area_xsize = drawingarea_info[id].area_xsize;
5898   int area_ysize = drawingarea_info[id].area_ysize;
5899   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5900
5901   for (x = 0; x < area_xsize; x++)
5902     for (y = 0; y < area_ysize; y++)
5903       DrawSizedGraphicExt(drawto,
5904                           gi->x + x * tilesize,
5905                           gi->y + y * tilesize,
5906                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5907 }
5908
5909 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5910 {
5911   int x, y;
5912   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5913   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5914
5915   BlitBitmap(drawto, drawto,
5916              SX + (dx == -1 ? ed_tilesize : 0),
5917              SY + (dy == -1 ? ed_tilesize : 0),
5918              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5919              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5920              SX + (dx == +1 ? ed_tilesize : 0),
5921              SY + (dy == +1 ? ed_tilesize : 0));
5922
5923   if (dx)
5924   {
5925     x = (dx == 1 ? 0 : ed_fieldx - 1);
5926     for (y = 0; y < ed_fieldy; y++)
5927       DrawEditorElementOrWall(x, y, from_x, from_y);
5928   }
5929   else if (dy)
5930   {
5931     y = (dy == 1 ? 0 : ed_fieldy - 1);
5932     for (x = 0; x < ed_fieldx; x++)
5933       DrawEditorElementOrWall(x, y, from_x, from_y);
5934   }
5935
5936   redraw_mask |= REDRAW_FIELD;
5937   BackToFront();
5938 }
5939
5940 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5941                             int *x, int *y)
5942 {
5943   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5944 }
5945
5946 static void CreateControlButtons()
5947 {
5948   struct GadgetInfo *gi;
5949   int i;
5950
5951   /* create toolbox buttons */
5952   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5953   {
5954     int id = controlbutton_info[i].gadget_id;
5955     int type = controlbutton_info[i].gadget_type;
5956     int graphic = controlbutton_info[i].graphic;
5957     struct XYTileSize *pos = controlbutton_info[i].pos;
5958     struct GraphicInfo *gd = &graphic_info[graphic];
5959     Bitmap *deco_bitmap = NULL;
5960     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5961     int tile_size = 0, deco_shift = 0;
5962     boolean deco_masked = FALSE;
5963     int gd_x1 = gd->src_x;
5964     int gd_y1 = gd->src_y;
5965     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5966     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5967     int gd_x1a = gd->src_x + gd->active_xoffset;
5968     int gd_y1a = gd->src_y + gd->active_yoffset;
5969     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5970     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5971     int x = pos->x;
5972     int y = pos->y;
5973     unsigned int event_mask;
5974     int radio_button_nr = RADIO_NR_NONE;
5975     boolean checked = FALSE;
5976
5977     if (type == GD_TYPE_RADIO_BUTTON)
5978     {
5979       event_mask = GD_EVENT_PRESSED;
5980       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5981
5982       if (id == drawing_function)
5983         checked = TRUE;
5984     }
5985     else
5986     {
5987       if (id == GADGET_ID_WRAP_LEFT ||
5988           id == GADGET_ID_WRAP_RIGHT ||
5989           id == GADGET_ID_WRAP_UP ||
5990           id == GADGET_ID_WRAP_DOWN)
5991         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5992       else
5993         event_mask = GD_EVENT_RELEASED;
5994     }
5995
5996     if (id == GADGET_ID_PROPERTIES ||
5997         id == GADGET_ID_PALETTE)
5998     {
5999       x += DX;
6000       y += DY;
6001     }
6002     else if (id == GADGET_ID_ELEMENT_LEFT ||
6003              id == GADGET_ID_ELEMENT_MIDDLE ||
6004              id == GADGET_ID_ELEMENT_RIGHT)
6005     {
6006       x += DX;
6007       y += DY;
6008
6009       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6010                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6011                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6012
6013       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6014                                    editor.button.element_left.tile_size :
6015                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6016                                    editor.button.element_middle.tile_size :
6017                                    id == GADGET_ID_ELEMENT_RIGHT ?
6018                                    editor.button.element_right.tile_size : 0);
6019
6020       // make sure that decoration does not overlap gadget border
6021       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6022
6023       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6024
6025       deco_xpos = (gd->width  - tile_size) / 2;
6026       deco_ypos = (gd->height - tile_size) / 2;
6027       deco_shift = 1;
6028       deco_masked = gd->draw_masked;
6029     }
6030     else
6031     {
6032       x += EX;
6033       y += EY;
6034     }
6035
6036     gi = CreateGadget(GDI_CUSTOM_ID, id,
6037                       GDI_CUSTOM_TYPE_ID, i,
6038                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6039                       GDI_X, x,
6040                       GDI_Y, y,
6041                       GDI_WIDTH, gd->width,
6042                       GDI_HEIGHT, gd->height,
6043                       GDI_TYPE, type,
6044                       GDI_STATE, GD_BUTTON_UNPRESSED,
6045                       GDI_RADIO_NR, radio_button_nr,
6046                       GDI_CHECKED, checked,
6047                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6048                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6049                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6050                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6051                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6052                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6053                       GDI_DECORATION_SIZE, tile_size, tile_size,
6054                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6055                       GDI_DECORATION_MASKED, deco_masked,
6056                       GDI_EVENT_MASK, event_mask,
6057                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6058                       GDI_CALLBACK_ACTION, HandleControlButtons,
6059                       GDI_END);
6060
6061     if (gi == NULL)
6062       Error(ERR_EXIT, "cannot create gadget");
6063
6064     level_editor_gadget[id] = gi;
6065   }
6066
6067   /* these values are not constant, but can change at runtime */
6068   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6069   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6070   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6071   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6072   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6073   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6074   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6075   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6076   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6077   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6078   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6079   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6080
6081   /* create buttons for scrolling of drawing area and element list */
6082   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6083   {
6084     int id = scrollbutton_info[i].gadget_id;
6085     int graphic = scrollbutton_info[i].graphic;
6086     struct GraphicInfo *gd = &graphic_info[graphic];
6087     Bitmap *gd_bitmap = gd->bitmap;
6088     int gd_x1 = gd->src_x;
6089     int gd_y1 = gd->src_y;
6090     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6091     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6092     int width  = gd->width;
6093     int height = gd->height;
6094     int x = scrollbutton_pos[i].x;
6095     int y = scrollbutton_pos[i].y;
6096     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6097
6098     if (id == GADGET_ID_SCROLL_LIST_UP ||
6099         id == GADGET_ID_SCROLL_LIST_DOWN)
6100     {
6101       x += PX;
6102       y += PY;
6103     }
6104     else
6105     {
6106       x += SX;
6107       y += SY;
6108     }
6109
6110     gi = CreateGadget(GDI_CUSTOM_ID, id,
6111                       GDI_CUSTOM_TYPE_ID, i,
6112                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6113                       GDI_X, x,
6114                       GDI_Y, y,
6115                       GDI_WIDTH, width,
6116                       GDI_HEIGHT, height,
6117                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6118                       GDI_STATE, GD_BUTTON_UNPRESSED,
6119                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6120                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6121                       GDI_EVENT_MASK, event_mask,
6122                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6123                       GDI_CALLBACK_ACTION, HandleControlButtons,
6124                       GDI_END);
6125
6126     if (gi == NULL)
6127       Error(ERR_EXIT, "cannot create gadget");
6128
6129     level_editor_gadget[id] = gi;
6130   }
6131
6132   /* create buttons for element list */
6133   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6134   {
6135     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6136     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6137     struct GraphicInfo *gd = &graphic_info[graphic];
6138     Bitmap *gd_bitmap = gd->bitmap;
6139     Bitmap *deco_bitmap;
6140     int deco_x, deco_y, deco_xpos, deco_ypos;
6141     int gd_x1 = gd->src_x;
6142     int gd_y1 = gd->src_y;
6143     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6144     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6145     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6146     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6147     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6148     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6149     int element = editor_elements[i];
6150     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6151     unsigned int event_mask = GD_EVENT_RELEASED;
6152
6153     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6154
6155     deco_xpos = (gd->width  - tile_size) / 2;
6156     deco_ypos = (gd->height - tile_size) / 2;
6157
6158     gi = CreateGadget(GDI_CUSTOM_ID, id,
6159                       GDI_CUSTOM_TYPE_ID, i,
6160                       GDI_INFO_TEXT, getElementInfoText(element),
6161                       GDI_X, x,
6162                       GDI_Y, y,
6163                       GDI_WIDTH, gd->width,
6164                       GDI_HEIGHT, gd->height,
6165                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6166                       GDI_STATE, GD_BUTTON_UNPRESSED,
6167                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6168                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6169                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6170                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6171                       GDI_DECORATION_SIZE, tile_size, tile_size,
6172                       GDI_DECORATION_SHIFTING, 1, 1,
6173                       GDI_EVENT_MASK, event_mask,
6174                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6175                       GDI_CALLBACK_ACTION, HandleControlButtons,
6176                       GDI_END);
6177
6178     if (gi == NULL)
6179       Error(ERR_EXIT, "cannot create gadget");
6180
6181     level_editor_gadget[id] = gi;
6182   }
6183 }
6184
6185 static void CreateCounterButtons()
6186 {
6187   int max_infotext_len = getMaxInfoTextLength();
6188   int i;
6189
6190   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6191   {
6192     int j;
6193     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6194     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6195
6196     /* determine horizontal position to the right of specified gadget */
6197     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6198       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6199            ED_GADGET_TEXT_DISTANCE);
6200
6201     /* determine horizontal offset for leading text */
6202     if (counterbutton_info[i].text_left != NULL)
6203       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6204
6205     for (j = 0; j < 2; j++)
6206     {
6207       struct GadgetInfo *gi;
6208       int id = (j == 0 ?
6209                 counterbutton_info[i].gadget_id_down :
6210                 counterbutton_info[i].gadget_id_up);
6211       int graphic;
6212       struct GraphicInfo *gd;
6213       int gd_x1, gd_x2, gd_y1, gd_y2;
6214       unsigned int event_mask;
6215       char infotext[max_infotext_len + 1];
6216
6217       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6218
6219       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6220       {
6221         graphic = (j == 0 ?
6222                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6223                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6224
6225         event_mask |= GD_EVENT_RELEASED;
6226
6227         if (j == 0)
6228         {
6229           x = DX + editor.button.prev_level.x;
6230           y = DY + editor.button.prev_level.y;
6231         }
6232         else
6233         {
6234           x = DX + editor.button.next_level.x;
6235           y = DY + editor.button.next_level.y;
6236         }
6237       }
6238       else
6239       {
6240         graphic = (j == 0 ?
6241                    IMG_EDITOR_COUNTER_DOWN :
6242                    IMG_EDITOR_COUNTER_UP);
6243       }
6244
6245       gd = &graphic_info[graphic];
6246
6247       gd_x1 = gd->src_x;
6248       gd_y1 = gd->src_y;
6249       gd_x2 = gd->src_x + gd->pressed_xoffset;
6250       gd_y2 = gd->src_y + gd->pressed_yoffset;
6251
6252       sprintf(infotext, "%s counter value by 1, 5 or 10",
6253               (j == 0 ? "decrease" : "increase"));
6254
6255       gi = CreateGadget(GDI_CUSTOM_ID, id,
6256                         GDI_CUSTOM_TYPE_ID, i,
6257                         GDI_INFO_TEXT, infotext,
6258                         GDI_X, x,
6259                         GDI_Y, y,
6260                         GDI_WIDTH, gd->width,
6261                         GDI_HEIGHT, gd->height,
6262                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6263                         GDI_STATE, GD_BUTTON_UNPRESSED,
6264                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6265                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6266                         GDI_EVENT_MASK, event_mask,
6267                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6268                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6269                         GDI_END);
6270
6271       if (gi == NULL)
6272         Error(ERR_EXIT, "cannot create gadget");
6273
6274       level_editor_gadget[id] = gi;
6275       right_gadget_border[id] =
6276         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6277
6278       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6279
6280       if (j == 0)
6281       {
6282         int font_type = FONT_INPUT_1;
6283         int font_type_active = FONT_INPUT_1_ACTIVE;
6284
6285         id = counterbutton_info[i].gadget_id_text;
6286
6287         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6288
6289         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6290         {
6291           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6292
6293           font_type = FONT_LEVEL_NUMBER;
6294           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6295
6296           x = DX + editor.input.level_number.x;
6297           y = DY + editor.input.level_number.y;
6298         }
6299         else
6300         {
6301           graphic = IMG_EDITOR_COUNTER_INPUT;
6302         }
6303
6304         gd = &graphic_info[graphic];
6305
6306         gd_x1 = gd->src_x;
6307         gd_y1 = gd->src_y;
6308         gd_x2 = gd->src_x + gd->active_xoffset;
6309         gd_y2 = gd->src_y + gd->active_yoffset;
6310
6311         gi = CreateGadget(GDI_CUSTOM_ID, id,
6312                           GDI_CUSTOM_TYPE_ID, i,
6313                           GDI_INFO_TEXT, "enter counter value",
6314                           GDI_X, x,
6315                           GDI_Y, y,
6316                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6317                           GDI_NUMBER_VALUE, 0,
6318                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6319                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6320                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6321                           GDI_TEXT_FONT, font_type,
6322                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6323                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6324                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6325                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6326                           GDI_DESIGN_WIDTH, gd->width,
6327                           GDI_EVENT_MASK, event_mask,
6328                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6329                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6330                           GDI_END);
6331
6332         if (gi == NULL)
6333           Error(ERR_EXIT, "cannot create gadget");
6334
6335         level_editor_gadget[id] = gi;
6336         right_gadget_border[id] =
6337           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6338
6339         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6340       }
6341     }
6342   }
6343 }
6344
6345 static void CreateDrawingAreas()
6346 {
6347   int i;
6348
6349   /* these values are not constant, but can change at runtime */
6350   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6351   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6352
6353   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6354   {
6355     struct GadgetInfo *gi;
6356     unsigned int event_mask;
6357     int id = drawingarea_info[i].gadget_id;
6358     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6359     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6360     int area_xsize = drawingarea_info[i].area_xsize;
6361     int area_ysize = drawingarea_info[i].area_ysize;
6362     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6363                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6364
6365     event_mask =
6366       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6367       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6368
6369     /* determine horizontal position to the right of specified gadget */
6370     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6371       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6372            ED_DRAWINGAREA_TEXT_DISTANCE);
6373
6374     /* determine horizontal offset for leading text */
6375     if (drawingarea_info[i].text_left != NULL)
6376       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6377
6378     gi = CreateGadget(GDI_CUSTOM_ID, id,
6379                       GDI_CUSTOM_TYPE_ID, i,
6380                       GDI_X, x,
6381                       GDI_Y, y,
6382                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6383                       GDI_AREA_SIZE, area_xsize, area_ysize,
6384                       GDI_ITEM_SIZE, item_size, item_size,
6385                       GDI_EVENT_MASK, event_mask,
6386                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6387                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6388                       GDI_END);
6389
6390     if (gi == NULL)
6391       Error(ERR_EXIT, "cannot create gadget");
6392
6393     level_editor_gadget[id] = gi;
6394     right_gadget_border[id] =
6395       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6396   }
6397 }
6398
6399 static void CreateTextInputGadgets()
6400 {
6401   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6402   int max_infotext_len = getMaxInfoTextLength();
6403   int i;
6404
6405   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6406   {
6407     int gd_x1 = gd->src_x;
6408     int gd_y1 = gd->src_y;
6409     int gd_x2 = gd->src_x + gd->active_xoffset;
6410     int gd_y2 = gd->src_y + gd->active_yoffset;
6411     struct GadgetInfo *gi;
6412     unsigned int event_mask;
6413     char infotext[MAX_OUTPUT_LINESIZE + 1];
6414     int id = textinput_info[i].gadget_id;
6415     int x, y;
6416
6417     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6418     {
6419       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6420       int border_size = gd->border_size;
6421       int font_nr = FONT_INPUT_1;
6422       int font_height = getFontHeight(font_nr);
6423       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6424       int yoffset = element_border + (TILEY - font_height) / 2;
6425
6426       x = (editor.settings.element_name.x != -1 ?
6427            editor.settings.element_name.x :
6428            editor.settings.element_graphic.x + xoffset) - border_size;
6429       y = (editor.settings.element_name.y != -1 ?
6430            editor.settings.element_name.y :
6431            editor.settings.element_graphic.y + yoffset) - border_size;
6432     }
6433     else
6434     {
6435       x = ED_SETTINGS_X(textinput_info[i].x);
6436       y = ED_SETTINGS_Y(textinput_info[i].y);
6437     }
6438
6439     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6440
6441     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6442     infotext[max_infotext_len] = '\0';
6443
6444     gi = CreateGadget(GDI_CUSTOM_ID, id,
6445                       GDI_CUSTOM_TYPE_ID, i,
6446                       GDI_INFO_TEXT, infotext,
6447                       GDI_X, SX + x,
6448                       GDI_Y, SY + y,
6449                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6450                       GDI_TEXT_VALUE, textinput_info[i].value,
6451                       GDI_TEXT_SIZE, textinput_info[i].size,
6452                       GDI_TEXT_FONT, FONT_INPUT_1,
6453                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6454                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6455                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6456                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6457                       GDI_DESIGN_WIDTH, gd->width,
6458                       GDI_EVENT_MASK, event_mask,
6459                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6460                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6461                       GDI_END);
6462
6463     if (gi == NULL)
6464       Error(ERR_EXIT, "cannot create gadget");
6465
6466     level_editor_gadget[id] = gi;
6467   }
6468 }
6469
6470 static void CreateTextAreaGadgets()
6471 {
6472   int max_infotext_len = getMaxInfoTextLength();
6473   int i;
6474
6475   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6476   {
6477     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6478     int gd_x1 = gd->src_x;
6479     int gd_y1 = gd->src_y;
6480     int gd_x2 = gd->src_x + gd->active_xoffset;
6481     int gd_y2 = gd->src_y + gd->active_yoffset;
6482     struct GadgetInfo *gi;
6483     unsigned int event_mask;
6484     char infotext[MAX_OUTPUT_LINESIZE + 1];
6485     int id = textarea_info[i].gadget_id;
6486     int area_xsize = textarea_info[i].xsize;
6487     int area_ysize = textarea_info[i].ysize;
6488
6489     event_mask = GD_EVENT_TEXT_LEAVING;
6490
6491     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6492     infotext[max_infotext_len] = '\0';
6493
6494     gi = CreateGadget(GDI_CUSTOM_ID, id,
6495                       GDI_CUSTOM_TYPE_ID, i,
6496                       GDI_INFO_TEXT, infotext,
6497                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6498                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6499                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6500                       GDI_AREA_SIZE, area_xsize, area_ysize,
6501                       GDI_TEXT_FONT, FONT_INPUT_1,
6502                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6503                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6504                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6505                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6506                       GDI_DESIGN_WIDTH, gd->width,
6507                       GDI_EVENT_MASK, event_mask,
6508                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6509                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6510                       GDI_END);
6511
6512     if (gi == NULL)
6513       Error(ERR_EXIT, "cannot create gadget");
6514
6515     level_editor_gadget[id] = gi;
6516   }
6517 }
6518
6519 static void CreateSelectboxGadgets()
6520 {
6521   int max_infotext_len = getMaxInfoTextLength();
6522   int i, j;
6523
6524   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6525   {
6526     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6527     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6528     int gd_x1 = gd->src_x;
6529     int gd_y1 = gd->src_y;
6530     int gd_x2 = gd->src_x + gd->active_xoffset;
6531     int gd_y2 = gd->src_y + gd->active_yoffset;
6532     int selectbox_button_xsize = gd2->width;
6533     struct GadgetInfo *gi;
6534     unsigned int event_mask;
6535     char infotext[MAX_OUTPUT_LINESIZE + 1];
6536     int id = selectbox_info[i].gadget_id;
6537     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6538     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6539
6540     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6541     {
6542       /* (we cannot use -1 for uninitialized values if we directly compare
6543          with results from strlen(), because the '<' and '>' operation will
6544          implicitely cast -1 to an unsigned integer value!) */
6545       selectbox_info[i].size = 0;
6546
6547       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6548         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6549           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6550
6551       selectbox_info[i].size++;         /* add one character empty space */
6552     }
6553
6554     event_mask = GD_EVENT_RELEASED |
6555       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6556
6557     /* determine horizontal position to the right of specified gadget */
6558     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6559       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6560            ED_GADGET_TEXT_DISTANCE);
6561
6562     /* determine horizontal offset for leading text */
6563     if (selectbox_info[i].text_left != NULL)
6564       x += getTextWidthForGadget(selectbox_info[i].text_left);
6565
6566     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6567     infotext[max_infotext_len] = '\0';
6568
6569     gi = CreateGadget(GDI_CUSTOM_ID, id,
6570                       GDI_CUSTOM_TYPE_ID, i,
6571                       GDI_INFO_TEXT, infotext,
6572                       GDI_X, x,
6573                       GDI_Y, y,
6574                       GDI_TYPE, GD_TYPE_SELECTBOX,
6575                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6576                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6577                       GDI_TEXT_SIZE, selectbox_info[i].size,
6578                       GDI_TEXT_FONT, FONT_INPUT_1,
6579                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6580                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6581                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6582                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6583                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6584                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6585                       GDI_DESIGN_WIDTH, gd->width,
6586                       GDI_EVENT_MASK, event_mask,
6587                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6588                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6589                       GDI_END);
6590
6591     if (gi == NULL)
6592       Error(ERR_EXIT, "cannot create gadget");
6593
6594     level_editor_gadget[id] = gi;
6595     right_gadget_border[id] =
6596       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6597   }
6598 }
6599
6600 static void CreateTextbuttonGadgets()
6601 {
6602   int max_infotext_len = getMaxInfoTextLength();
6603   int i;
6604
6605   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6606   {
6607     int id = textbutton_info[i].gadget_id;
6608     int is_tab_button =
6609       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6610        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6611     int graphic =
6612       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6613     int gadget_distance =
6614       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6615     struct GraphicInfo *gd = &graphic_info[graphic];
6616     int gd_x1 = gd->src_x;
6617     int gd_y1 = gd->src_y;
6618     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6619     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6620     int gd_x1a = gd->src_x + gd->active_xoffset;
6621     int gd_y1a = gd->src_y + gd->active_yoffset;
6622     int border_xsize = gd->border_size + gd->draw_xoffset;
6623     int border_ysize = gd->border_size;
6624     struct GadgetInfo *gi;
6625     unsigned int event_mask;
6626     char infotext[MAX_OUTPUT_LINESIZE + 1];
6627     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6628     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6629
6630     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6631       textbutton_info[i].size = strlen(textbutton_info[i].text);
6632
6633     event_mask = GD_EVENT_RELEASED;
6634
6635     sprintf(infotext, "%s", textbutton_info[i].infotext);
6636     infotext[max_infotext_len] = '\0';
6637
6638     /* determine horizontal position to the right of specified gadget */
6639     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6640     {
6641       int gadget_id_align = textbutton_info[i].gadget_id_align;
6642
6643       x = right_gadget_border[gadget_id_align] + gadget_distance;
6644
6645       if (textbutton_info[i].y == -1)
6646         y = level_editor_gadget[gadget_id_align]->y;
6647     }
6648
6649     /* determine horizontal offset for leading text */
6650     if (textbutton_info[i].text_left != NULL)
6651       x += getTextWidthForGadget(textbutton_info[i].text_left);
6652
6653     gi = CreateGadget(GDI_CUSTOM_ID, id,
6654                       GDI_CUSTOM_TYPE_ID, i,
6655                       GDI_INFO_TEXT, infotext,
6656                       GDI_X, x,
6657                       GDI_Y, y,
6658                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6659                       GDI_TEXT_VALUE, textbutton_info[i].text,
6660                       GDI_TEXT_SIZE, textbutton_info[i].size,
6661                       GDI_TEXT_FONT, FONT_INPUT_2,
6662                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6663                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6664                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6665                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6666                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6667                       GDI_DESIGN_WIDTH, gd->width,
6668                       GDI_DECORATION_SHIFTING, 1, 1,
6669                       GDI_EVENT_MASK, event_mask,
6670                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6671                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6672                       GDI_END);
6673
6674     if (gi == NULL)
6675       Error(ERR_EXIT, "cannot create gadget");
6676
6677     level_editor_gadget[id] = gi;
6678     right_gadget_border[id] =
6679       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6680   }
6681 }
6682
6683 static void CreateGraphicbuttonGadgets()
6684 {
6685   struct GadgetInfo *gi;
6686   unsigned int event_mask;
6687   int i;
6688
6689   /* create buttons for scrolling of drawing area and element list */
6690   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6691   {
6692     int id = graphicbutton_info[i].gadget_id;
6693     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6694     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6695     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6696     int gd_x1 = gd->src_x;
6697     int gd_y1 = gd->src_y;
6698     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6699     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6700
6701     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6702
6703     /* determine horizontal position to the right of specified gadget */
6704     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6705       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6706            ED_GADGET_TEXT_DISTANCE);
6707
6708     /* determine horizontal offset for leading text */
6709     if (graphicbutton_info[i].text_left != NULL)
6710       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6711
6712     gi = CreateGadget(GDI_CUSTOM_ID, id,
6713                       GDI_CUSTOM_TYPE_ID, i,
6714                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6715                       GDI_X, x,
6716                       GDI_Y, y,
6717                       GDI_WIDTH, gd->width,
6718                       GDI_HEIGHT, gd->height,
6719                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6720                       GDI_STATE, GD_BUTTON_UNPRESSED,
6721                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6722                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6723                       GDI_EVENT_MASK, event_mask,
6724                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6725                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6726                       GDI_END);
6727
6728     if (gi == NULL)
6729       Error(ERR_EXIT, "cannot create gadget");
6730
6731     level_editor_gadget[id] = gi;
6732     right_gadget_border[id] =
6733       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6734   }
6735 }
6736
6737 static void CreateScrollbarGadgets()
6738 {
6739   int i;
6740
6741   /* these values are not constant, but can change at runtime */
6742   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6743     SX + ED_SCROLL_HORIZONTAL_XPOS;
6744   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6745     SY + ED_SCROLL_HORIZONTAL_YPOS;
6746   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6747     ED_SCROLL_HORIZONTAL_XSIZE;
6748   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6749     ED_SCROLL_HORIZONTAL_YSIZE;
6750   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6751   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6752   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6753   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6754
6755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6756     SX + ED_SCROLL_VERTICAL_XPOS;
6757   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6758     SY + ED_SCROLL_VERTICAL_YPOS;
6759   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6760     ED_SCROLL_VERTICAL_XSIZE;
6761   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6762     ED_SCROLL_VERTICAL_YSIZE;
6763   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6764   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6765   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6766   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6767
6768   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6769     PX + ED_SCROLL2_VERTICAL_XPOS;
6770   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6771     PY + ED_SCROLL2_VERTICAL_YPOS;
6772   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6773     ED_SCROLL2_VERTICAL_XSIZE;
6774   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6775     ED_SCROLL2_VERTICAL_YSIZE;
6776   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6777   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6778   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6779   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6780
6781   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6782   {
6783     int id = scrollbar_info[i].gadget_id;
6784     int graphic = scrollbar_info[i].graphic;
6785     struct GraphicInfo *gd = &graphic_info[graphic];
6786     int gd_x1 = gd->src_x;
6787     int gd_y1 = gd->src_y;
6788     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6789     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6790     struct GadgetInfo *gi;
6791     int items_max, items_visible, item_position;
6792     unsigned int event_mask;
6793
6794     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6795     {
6796       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6797       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6798       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6799     }
6800     else        /* drawing area scrollbars */
6801     {
6802       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6803       {
6804         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6805         items_visible = ed_fieldx;
6806         item_position = 0;
6807       }
6808       else
6809       {
6810         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6811         items_visible = ed_fieldy;
6812         item_position = 0;
6813       }
6814     }
6815
6816     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6817
6818     gi = CreateGadget(GDI_CUSTOM_ID, id,
6819                       GDI_CUSTOM_TYPE_ID, i,
6820                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6821                       GDI_X, scrollbar_pos[i].x,
6822                       GDI_Y, scrollbar_pos[i].y,
6823                       GDI_WIDTH, scrollbar_pos[i].width,
6824                       GDI_HEIGHT, scrollbar_pos[i].height,
6825                       GDI_TYPE, scrollbar_info[i].type,
6826                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6827                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6828                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6829                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6830                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6831                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6832                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6833                       GDI_STATE, GD_BUTTON_UNPRESSED,
6834                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6835                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6836                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6837                       GDI_EVENT_MASK, event_mask,
6838                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6839                       GDI_CALLBACK_ACTION, HandleControlButtons,
6840                       GDI_END);
6841
6842     if (gi == NULL)
6843       Error(ERR_EXIT, "cannot create gadget");
6844
6845     level_editor_gadget[id] = gi;
6846   }
6847 }
6848
6849 static void CreateCheckbuttonGadgets()
6850 {
6851   struct GadgetInfo *gi;
6852   unsigned int event_mask;
6853   int i;
6854
6855   event_mask = GD_EVENT_PRESSED;
6856
6857   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6858   {
6859     int id = checkbutton_info[i].gadget_id;
6860     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6861                    IMG_EDITOR_CHECKBOX);
6862     struct GraphicInfo *gd = &graphic_info[graphic];
6863     int gd_x1 = gd->src_x;
6864     int gd_y1 = gd->src_y;
6865     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6866     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6867     int gd_x1a = gd->src_x + gd->active_xoffset;
6868     int gd_y1a = gd->src_y + gd->active_yoffset;
6869     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6870     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6871     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6872     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6873
6874     /* determine horizontal position to the right of specified gadget */
6875     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6876       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6877            ED_GADGET_TEXT_DISTANCE);
6878
6879     /* determine horizontal offset for leading text */
6880     if (checkbutton_info[i].text_left != NULL)
6881       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6882
6883     gi = CreateGadget(GDI_CUSTOM_ID, id,
6884                       GDI_CUSTOM_TYPE_ID, i,
6885                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6886                       GDI_X, x,
6887                       GDI_Y, y,
6888                       GDI_WIDTH, gd->width,
6889                       GDI_HEIGHT, gd->height,
6890                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6891                       GDI_CHECKED, *checkbutton_info[i].value,
6892                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6893                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6894                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6895                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6896                       GDI_EVENT_MASK, event_mask,
6897                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6898                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6899                       GDI_END);
6900
6901     if (gi == NULL)
6902       Error(ERR_EXIT, "cannot create gadget");
6903
6904     level_editor_gadget[id] = gi;
6905     right_gadget_border[id] =
6906       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6907   }
6908 }
6909
6910 static void CreateRadiobuttonGadgets()
6911 {
6912   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6913   int gd_x1 = gd->src_x;
6914   int gd_y1 = gd->src_y;
6915   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6916   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6917   int gd_x1a = gd->src_x + gd->active_xoffset;
6918   int gd_y1a = gd->src_y + gd->active_yoffset;
6919   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6920   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6921   struct GadgetInfo *gi;
6922   unsigned int event_mask;
6923   int i;
6924
6925   event_mask = GD_EVENT_PRESSED;
6926
6927   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6928   {
6929     int id = radiobutton_info[i].gadget_id;
6930     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6931     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6932
6933     int checked =
6934       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6935
6936     /* determine horizontal position to the right of specified gadget */
6937     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6938       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6939            ED_GADGET_TEXT_DISTANCE);
6940
6941     /* determine horizontal offset for leading text */
6942     if (radiobutton_info[i].text_left != NULL)
6943       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6944
6945     gi = CreateGadget(GDI_CUSTOM_ID, id,
6946                       GDI_CUSTOM_TYPE_ID, i,
6947                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6948                       GDI_X, x,
6949                       GDI_Y, y,
6950                       GDI_WIDTH, gd->width,
6951                       GDI_HEIGHT, gd->height,
6952                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6953                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6954                       GDI_CHECKED, checked,
6955                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6956                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6957                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6958                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6959                       GDI_EVENT_MASK, event_mask,
6960                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6961                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6962                       GDI_END);
6963
6964     if (gi == NULL)
6965       Error(ERR_EXIT, "cannot create gadget");
6966
6967     level_editor_gadget[id] = gi;
6968     right_gadget_border[id] =
6969       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6970   }
6971 }
6972
6973 void CreateLevelEditorGadgets()
6974 {
6975   /* force EDITOR font inside level editor */
6976   SetFontStatus(GAME_MODE_EDITOR);
6977
6978   /* these values are not constant, but can change at runtime */
6979   ed_fieldx = MAX_ED_FIELDX - 1;
6980   ed_fieldy = MAX_ED_FIELDY - 1;
6981
6982   num_editor_gadgets = NUM_EDITOR_GADGETS;
6983
6984   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6985
6986   level_editor_gadget =
6987     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6988   right_gadget_border =
6989     checked_calloc(num_editor_gadgets * sizeof(int));
6990
6991   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6992   editor_el_empty_ptr = editor_el_empty;
6993
6994   use_permanent_palette = !editor.palette.show_as_separate_screen;
6995
6996   ReinitializeElementList();
6997
6998   CreateControlButtons();
6999   CreateScrollbarGadgets();
7000
7001   /* order of function calls is important because of cross-references */
7002   CreateCheckbuttonGadgets();
7003   CreateCounterButtons();
7004   CreateRadiobuttonGadgets();
7005   CreateTextInputGadgets();
7006   CreateTextAreaGadgets();
7007   CreateSelectboxGadgets();
7008   CreateGraphicbuttonGadgets();
7009   CreateTextbuttonGadgets();
7010   CreateDrawingAreas();
7011
7012   ResetFontStatus();
7013 }
7014
7015 void FreeLevelEditorGadgets()
7016 {
7017   int i;
7018
7019   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7020
7021   for (i = 0; i < num_editor_gadgets; i++)
7022   {
7023     FreeGadget(level_editor_gadget[i]);
7024
7025     level_editor_gadget[i] = NULL;
7026   }
7027
7028   checked_free(level_editor_gadget);
7029   checked_free(right_gadget_border);
7030
7031   checked_free(editor_el_empty);
7032 }
7033
7034 static void MapCounterButtons(int id)
7035 {
7036   int font_nr = FONT_TEXT_1;
7037   int font_height = getFontHeight(font_nr);
7038   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7039   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7040   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7041   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7042   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7043   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7044   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7045   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7046   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7047   int yoffset = (gi_down->height - font_height) / 2;
7048   int x_left = gi_down->x - xoffset_left;
7049   int x_right;  /* set after gadget position was modified */
7050   int y_above = gi_down->y - yoffset_above;
7051   int x = gi_down->x;
7052   int y;        /* set after gadget position was modified */
7053
7054   /* counter limits must be changed first to prevent value truncation */
7055   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7056                             counterbutton_info[id].max_value);
7057
7058   /* right text position might have changed after setting position above */
7059   x_right = gi_up->x + gi_up->width + xoffset_right;
7060
7061   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7062
7063   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7064   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7065       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7066   {
7067     ModifyGadget(gi_down, GDI_Y,
7068                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7069     ModifyGadget(gi_text, GDI_Y,
7070                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7071     ModifyGadget(gi_up,   GDI_Y,
7072                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7073   }
7074
7075   /* vertical position might have changed after setting position above */
7076   y = gi_up->y + yoffset;
7077
7078   if (counterbutton_info[id].text_above)
7079     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7080
7081   if (counterbutton_info[id].text_left)
7082     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7083
7084   if (counterbutton_info[id].text_right)
7085     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7086
7087   MapGadget(gi_down);
7088   MapGadget(gi_text);
7089   MapGadget(gi_up);
7090 }
7091
7092 static void MapControlButtons()
7093 {
7094   int counter_id;
7095   int i;
7096
7097   /* map toolbox buttons (excluding special CE toolbox buttons) */
7098   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7099     MapGadget(level_editor_gadget[i]);
7100
7101   /* map toolbox buttons (element properties buttons) */
7102   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7103     MapGadget(level_editor_gadget[i]);
7104
7105   if (use_permanent_palette)
7106   {
7107     /* map buttons to select elements */
7108     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7109       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7110     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7111     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7112     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7113   }
7114
7115   /* map buttons to select level */
7116   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7117   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7118   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7119   MapCounterButtons(counter_id);
7120 }
7121
7122 static void MapDrawingArea(int id)
7123 {
7124   int font_nr = FONT_TEXT_1;
7125   int font_height = getFontHeight(font_nr);
7126   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7127   int area_xsize = gi->drawing.area_xsize;
7128   int area_ysize = gi->drawing.area_ysize;
7129   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7130   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7131   int x_left  = gi->x - xoffset_left;
7132   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7133   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7134   int y_side  = gi->y + (gi->height - font_height) / 2;
7135   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7136
7137   if (drawingarea_info[id].text_left)
7138     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7139
7140   if (drawingarea_info[id].text_right)
7141     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7142
7143   if (drawingarea_info[id].text_below)
7144     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7145
7146   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7147   {
7148     DrawElementBorder(gi->x, gi->y,
7149                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7150                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7151
7152     DrawDrawingArea(id);
7153   }
7154
7155   MapGadget(gi);
7156 }
7157
7158 static void MapTextInputGadget(int id)
7159 {
7160   int font_nr = FONT_TEXT_1;
7161   int font_height = getFontHeight(font_nr);
7162   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7163   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7164   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7165   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7166
7167   if (textinput_info[id].text_above)
7168     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7169
7170   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7171
7172   MapGadget(gi);
7173 }
7174
7175 static void MapTextAreaGadget(int id)
7176 {
7177   int font_nr = FONT_TEXT_1;
7178   int font_height = getFontHeight(font_nr);
7179   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7180   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7181   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7182   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7183
7184   if (textarea_info[id].text_above)
7185     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7186
7187   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7188
7189   MapGadget(gi);
7190 }
7191
7192 static void MapSelectboxGadget(int id)
7193 {
7194   int font_nr = FONT_TEXT_1;
7195   int font_height = getFontHeight(font_nr);
7196   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7197   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7198   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7199   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7200   int yoffset = (gi->height - font_height) / 2;
7201   int x_left = gi->x - xoffset_left;
7202   int x_right = gi->x + gi->width + xoffset_right;
7203   int y_above = gi->y - yoffset_above;
7204   int x = gi->x;
7205   int y = gi->y + yoffset;
7206
7207   if (selectbox_info[id].text_above)
7208     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7209
7210   if (selectbox_info[id].text_left)
7211     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7212
7213   if (selectbox_info[id].text_right)
7214     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7215
7216   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7217
7218   MapGadget(gi);
7219 }
7220
7221 static void MapTextbuttonGadget(int id)
7222 {
7223   int font_nr = FONT_TEXT_1;
7224   int font_height = getFontHeight(font_nr);
7225   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7226   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7227   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7228   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7229   int yoffset = (gi->height - font_height) / 2;
7230   int x_left = gi->x - xoffset_left;
7231   int x_right = gi->x + gi->width + xoffset_right;
7232   int y_above = gi->y - yoffset_above;
7233   int x = gi->x;
7234   int y = gi->y + yoffset;
7235
7236   /* only show button to delete change pages when more than minimum pages */
7237   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7238       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7239     return;
7240
7241   if (textbutton_info[id].text_above)
7242     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7243
7244   if (textbutton_info[id].text_left)
7245     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7246
7247   if (textbutton_info[id].text_right)
7248     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7249
7250   MapGadget(gi);
7251 }
7252
7253 static void MapGraphicbuttonGadget(int id)
7254 {
7255   int font_nr = FONT_TEXT_1;
7256   int font_height = getFontHeight(font_nr);
7257   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7258   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7259   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7260   int yoffset = (gi->height - font_height) / 2;
7261   int x_left = gi->x - xoffset_left;
7262   int x_right = gi->x + gi->width + xoffset_right;
7263   int y = gi->y + yoffset;
7264
7265   if (graphicbutton_info[id].text_left)
7266     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7267
7268   if (graphicbutton_info[id].text_right)
7269     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7270
7271   MapGadget(gi);
7272 }
7273
7274 static void MapRadiobuttonGadget(int id)
7275 {
7276   int font_nr = FONT_TEXT_1;
7277   int font_height = getFontHeight(font_nr);
7278   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7279   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7280   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7281   int yoffset = (gi->height - font_height) / 2;
7282   int x_left = gi->x - xoffset_left;
7283   int x_right = gi->x + gi->width + xoffset_right;
7284   int y = gi->y + yoffset;
7285   boolean checked =
7286     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7287
7288   if (radiobutton_info[id].text_left)
7289     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7290
7291   if (radiobutton_info[id].text_right)
7292     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7293
7294   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7295
7296   MapGadget(gi);
7297 }
7298
7299 static void MapCheckbuttonGadget(int id)
7300 {
7301   int font_nr = FONT_TEXT_1;
7302   int font_height = getFontHeight(font_nr);
7303   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7304   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7305   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7306   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7307   int yoffset = (gi->height - font_height) / 2;
7308   int y_above = gi->y - yoffset_above;
7309   int x = gi->x;
7310   int x_left, x_right, y;       /* set after gadget position was modified */
7311
7312   /* set position for gadgets with dynamically determined position */
7313   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7314     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7315   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7316
7317   x_left = gi->x - xoffset_left;
7318   x_right = gi->x + gi->width + xoffset_right;
7319   y = gi->y + yoffset;
7320
7321   if (checkbutton_info[id].text_above)
7322     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7323
7324   if (checkbutton_info[id].text_left)
7325     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7326
7327   if (checkbutton_info[id].text_right)
7328     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7329
7330   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7331
7332   MapGadget(gi);
7333 }
7334
7335 static void MapMainDrawingArea()
7336 {
7337   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7338   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7339   int i;
7340
7341   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7342   {
7343     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7344           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7345          no_horizontal_scrollbar) ||
7346         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7347           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7348          no_vertical_scrollbar))
7349       continue;
7350
7351     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7352   }
7353
7354   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7355   {
7356     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7357         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7358       continue;
7359
7360     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7361   }
7362
7363   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7364 }
7365
7366 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7367 {
7368   int i;
7369
7370   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7371   {
7372     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7373         i == GADGET_ID_CUSTOM_COPY_TO ||
7374         i == GADGET_ID_CUSTOM_EXCHANGE ||
7375         i == GADGET_ID_CUSTOM_COPY ||
7376         i == GADGET_ID_CUSTOM_PASTE)
7377     {
7378       if (map)
7379         MapGadget(level_editor_gadget[i]);
7380       else
7381         UnmapGadget(level_editor_gadget[i]);
7382     }
7383   }
7384 }
7385
7386 static void MapLevelEditorToolboxCustomGadgets()
7387 {
7388   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7389 }
7390
7391 static void UnmapLevelEditorToolboxCustomGadgets()
7392 {
7393   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7394 }
7395
7396 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7397 {
7398   int i;
7399
7400   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7401   {
7402     if (i != GADGET_ID_SINGLE_ITEMS &&
7403         i != GADGET_ID_PICK_ELEMENT)
7404     {
7405       struct GadgetInfo *gi = level_editor_gadget[i];
7406
7407       if (map)
7408       {
7409         MapGadget(gi);
7410       }
7411       else
7412       {
7413         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7414         struct GraphicInfo *gd = &graphic_info[graphic];
7415
7416         UnmapGadget(gi);
7417
7418         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7419                    gi->width, gi->height, gi->x, gi->y);
7420
7421         redraw_mask |= REDRAW_DOOR_3;
7422       }
7423     }
7424   }
7425 }
7426
7427 static void MapLevelEditorToolboxDrawingGadgets()
7428 {
7429   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7430 }
7431
7432 static void UnmapLevelEditorToolboxDrawingGadgets()
7433 {
7434   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7435 }
7436
7437 static void UnmapDrawingArea(int id)
7438 {
7439   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7440 }
7441
7442 static void UnmapLevelEditorFieldGadgets()
7443 {
7444   int i;
7445
7446   for (i = 0; i < num_editor_gadgets; i++)
7447     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7448                           level_editor_gadget[i]->y))
7449       UnmapGadget(level_editor_gadget[i]);
7450 }
7451
7452 void UnmapLevelEditorGadgets()
7453 {
7454   int i;
7455
7456   for (i = 0; i < num_editor_gadgets; i++)
7457     UnmapGadget(level_editor_gadget[i]);
7458 }
7459
7460 static void ResetUndoBuffer()
7461 {
7462   undo_buffer_position = -1;
7463   undo_buffer_steps = -1;
7464   redo_buffer_steps = 0;
7465
7466   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7467
7468   level.changed = FALSE;
7469 }
7470
7471 static void DrawEditModeWindow()
7472 {
7473   ModifyEditorElementList();
7474   RedrawDrawingElements();
7475
7476   if (edit_mode == ED_MODE_INFO)
7477     DrawLevelInfoWindow();
7478   else if (edit_mode == ED_MODE_PROPERTIES)
7479     DrawPropertiesWindow();
7480   else if (edit_mode == ED_MODE_PALETTE)
7481     DrawPaletteWindow();
7482   else  /* edit_mode == ED_MODE_DRAWING */
7483     DrawDrawingWindow();
7484 }
7485
7486 static void ChangeEditModeWindow(int new_edit_mode)
7487 {
7488   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7489
7490   DrawEditModeWindow();
7491 }
7492
7493 static boolean LevelChanged()
7494 {
7495   boolean field_changed = FALSE;
7496   int x, y;
7497
7498   for (y = 0; y < lev_fieldy; y++)
7499     for (x = 0; x < lev_fieldx; x++)
7500       if (Feld[x][y] != level.field[x][y])
7501         field_changed = TRUE;
7502
7503   return (level.changed || field_changed);
7504 }
7505
7506 static boolean PrepareSavingIntoPersonalLevelSet()
7507 {
7508   static LevelDirTree *last_copied_leveldir = NULL;
7509   static LevelDirTree *last_written_leveldir = NULL;
7510   static int last_copied_level_nr = -1;
7511   static int last_written_level_nr = -1;
7512   LevelDirTree *leveldir_former = leveldir_current;
7513   int level_nr_former = level_nr;
7514   int new_level_nr;
7515
7516   // remember last mod/save so that for current session, we write
7517   // back to the same personal copy, asking only about overwrite.
7518   if (leveldir_current == last_copied_leveldir &&
7519       level_nr == last_copied_level_nr)
7520   {
7521     // "cd" to personal level set dir (as used when writing last copy)
7522     leveldir_current = last_written_leveldir;
7523     level_nr = last_written_level_nr;
7524
7525     return TRUE;
7526   }
7527
7528   if (!Request("This level is read only! "
7529                "Save into personal level set?", REQ_ASK))
7530     return FALSE;
7531
7532   // "cd" to personal level set dir (for writing copy the first time)
7533   leveldir_current =
7534     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7535
7536   // find unused level number
7537   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7538   {
7539     static char *level_filename = NULL;
7540
7541     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7542
7543     if (!fileExists(level_filename))
7544       break;
7545   }
7546
7547   last_copied_leveldir = leveldir_former;
7548   last_copied_level_nr = level_nr_former;
7549
7550   last_written_leveldir = leveldir_current;
7551   last_written_level_nr = level_nr = new_level_nr;
7552
7553   return TRUE;
7554 }
7555
7556 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7557 {
7558   static char *filename_levelinfo = NULL, *mod_name = NULL;
7559   FILE *file;
7560
7561   // annotate this copy-and-mod in personal levelinfo.conf
7562   setString(&filename_levelinfo,
7563             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7564
7565   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7566   {
7567     fprintf(file, "\n");
7568     fprintf(file, "# level %d was modified from:\n", level_nr);
7569     fprintf(file, "# - previous level set name:    %s\n",
7570             former_name);
7571     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7572             level.file_info.nr, level.name);
7573     fprintf(file, "# - previous author:            %s\n",
7574             level.author);
7575     fprintf(file, "# - previous save date:         ");
7576
7577     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7578     {
7579       fprintf(file, "%04d-%02d-%02d\n",
7580               level.creation_date.year,
7581               level.creation_date.month,
7582               level.creation_date.day);
7583     }
7584     else
7585     {
7586       fprintf(file, "not recorded\n");
7587     }
7588
7589     fclose(file);
7590   }
7591
7592   if (level_nr > leveldir_current->last_level)
7593     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7594
7595   // else: allow the save even if annotation failed
7596
7597   // now... spray graffiti on the old level vital statistics
7598   // user can change these; just trying to set a good baseline
7599
7600   // don't truncate names for fear of making offensive or silly:
7601   // long-named original author only recorded in levelinfo.conf.
7602   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7603   if (!strEqual(level.author, leveldir_current->author))
7604   {
7605     setString(&mod_name, getStringCat3(leveldir_current->author,
7606                                        " after ", level.author));
7607
7608     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7609       setString(&mod_name,
7610                 getStringCat2(leveldir_current->author, " (ed.)"));
7611
7612     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7613       setString(&mod_name, leveldir_current->author);
7614
7615     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7616
7617     // less worried about truncation here
7618     setString(&mod_name, getStringCat2("Mod: ", level.name));
7619     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7620   }
7621 }
7622
7623 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7624                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7625 {
7626   int x, y;
7627
7628   for (x = 0; x < lev_fieldx; x++)
7629     for (y = 0; y < lev_fieldy; y++)
7630       dst[x][y] = src[x][y];
7631 }
7632
7633 static int setSelectboxValue(int selectbox_id, int new_value)
7634 {
7635   int new_index_value = 0;
7636   int i;
7637
7638   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7639     if (selectbox_info[selectbox_id].options[i].value == new_value)
7640       new_index_value = i;
7641
7642   *selectbox_info[selectbox_id].value =
7643     selectbox_info[selectbox_id].options[new_index_value].value;
7644
7645   return new_index_value;
7646 }
7647
7648 static void setSelectboxSpecialActionVariablesIfNeeded()
7649 {
7650   int i;
7651
7652   /* change action mode and arg variables according to action type variable */
7653   for (i = 0; action_arg_options[i].value != -1; i++)
7654   {
7655     if (action_arg_options[i].value == custom_element_change.action_type)
7656     {
7657       int mode = action_arg_options[i].mode;
7658
7659       /* only change if corresponding selectbox has changed */
7660       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7661           action_arg_modes[mode])
7662         custom_element_change.action_mode = -1;
7663
7664       /* only change if corresponding selectbox has changed */
7665       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7666           action_arg_options[i].options)
7667         custom_element_change.action_arg = -1;
7668
7669       break;
7670     }
7671   }
7672 }
7673
7674 static void setSelectboxSpecialActionOptions()
7675 {
7676   int i;
7677
7678   /* change action mode and arg selectbox according to action type selectbox */
7679   for (i = 0; action_arg_options[i].value != -1; i++)
7680   {
7681     if (action_arg_options[i].value == custom_element_change.action_type)
7682     {
7683       int mode = action_arg_options[i].mode;
7684
7685       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7686                                    action_arg_modes[mode]);
7687       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7688                                  custom_element_change.action_mode);
7689
7690       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7691                                    action_arg_options[i].options);
7692       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7693                                  custom_element_change.action_arg);
7694       break;
7695     }
7696   }
7697 }
7698
7699 static void copy_custom_element_settings(int element_from, int element_to)
7700 {
7701   struct ElementInfo *ei_from = &element_info[element_from];
7702   struct ElementInfo *ei_to = &element_info[element_to];
7703
7704   copyElementInfo(ei_from, ei_to);
7705 }
7706
7707 static void replace_custom_element_in_settings(int element_from,
7708                                                int element_to)
7709 {
7710   int i, j, x, y;
7711
7712   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7713   {
7714     struct ElementInfo *ei = &element_info[i];
7715
7716     for (y = 0; y < 3; y++)
7717       for (x = 0; x < 3; x++)
7718         if (ei->content.e[x][y] == element_from)
7719           ei->content.e[x][y] = element_to;
7720
7721     for (j = 0; j < ei->num_change_pages; j++)
7722     {
7723       struct ElementChangeInfo *change = &ei->change_page[j];
7724
7725       if (change->target_element == element_from)
7726         change->target_element = element_to;
7727
7728       if (change->initial_trigger_element == element_from)
7729         change->initial_trigger_element = element_to;
7730
7731       if (change->action_element == element_from)
7732         change->action_element = element_to;
7733
7734       for (y = 0; y < 3; y++)
7735         for (x = 0; x < 3; x++)
7736           if (change->target_content.e[x][y] == element_from)
7737             change->target_content.e[x][y] = element_to;
7738     }
7739
7740     if (ei->group != NULL)                              /* group or internal */
7741       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7742         if (ei->group->element[j] == element_from)
7743           ei->group->element[j] = element_to;
7744   }
7745 }
7746
7747 static void replace_custom_element_in_playfield(int element_from,
7748                                                 int element_to)
7749 {
7750   int x, y;
7751
7752   for (x = 0; x < lev_fieldx; x++)
7753     for (y = 0; y < lev_fieldy; y++)
7754       if (Feld[x][y] == element_from)
7755         Feld[x][y] = element_to;
7756 }
7757
7758 static boolean CopyCustomElement(int element_old, int element_new,
7759                                  int copy_mode)
7760 {
7761   int copy_mode_orig = copy_mode;
7762
7763   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7764   {
7765     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7766                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7767     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7768   }
7769   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7770   {
7771     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7772                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7773     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7774
7775     level.changed = TRUE;
7776   }
7777   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7778   {
7779     Request("Please choose custom element!", REQ_CONFIRM);
7780
7781     return FALSE;
7782   }
7783   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7784   {
7785     Request("Please choose group element!", REQ_CONFIRM);
7786
7787     return FALSE;
7788   }
7789   else
7790   {
7791     level.changed = TRUE;
7792   }
7793
7794   /* when modifying custom/group element, ask for copying level template */
7795   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7796   {
7797     if (!AskToCopyAndModifyLevelTemplate())
7798       return FALSE;
7799   }
7800
7801   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7802   {
7803     copy_custom_element_settings(element_new, element_old);
7804   }
7805   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7806   {
7807     copy_custom_element_settings(element_old, element_new);
7808   }
7809   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7810   {
7811     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7812     copy_custom_element_settings(element_new, element_old);
7813     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7814
7815     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7816     replace_custom_element_in_settings(element_new, element_old);
7817     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7818
7819     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7820     replace_custom_element_in_playfield(element_new, element_old);
7821     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7822   }
7823
7824   UpdateCustomElementGraphicGadgets();
7825   DrawPropertiesWindow();
7826
7827   return TRUE;
7828 }
7829
7830 static void CopyCustomElementPropertiesToEditor(int element)
7831 {
7832   int i;
7833   int current_change_page = element_info[element].current_change_page;
7834
7835   /* dynamically (re)build selectbox for selecting change page */
7836   for (i = 0; i < element_info[element].num_change_pages; i++)
7837   {
7838     sprintf(options_change_page_strings[i], "%d", i + 1);
7839
7840     options_change_page[i].value = i;
7841     options_change_page[i].text = options_change_page_strings[i];
7842   }
7843
7844   options_change_page[i].value = -1;
7845   options_change_page[i].text = NULL;
7846
7847   /* needed here to initialize combined element properties */
7848   InitElementPropertiesEngine(level.game_version);
7849
7850   element_info[element].change =
7851     &element_info[element].change_page[current_change_page];
7852
7853   custom_element = element_info[element];
7854   custom_element_change = *element_info[element].change;
7855
7856   /* needed to initially set selectbox options for special action options */
7857   setSelectboxSpecialActionOptions();
7858
7859   /* needed to initially set selectbox value variables to reliable defaults */
7860   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7861     setSelectboxValue(i, *selectbox_info[i].value);
7862
7863   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7864     custom_element_properties[i] = HAS_PROPERTY(element, i);
7865
7866   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7867     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7868
7869   /* ---------- element settings: configure (custom elements) ------------- */
7870
7871   /* set accessible layer selectbox help value */
7872   custom_element.access_type =
7873     (IS_WALKABLE(element) ? EP_WALKABLE :
7874      IS_PASSABLE(element) ? EP_PASSABLE :
7875      custom_element.access_type);
7876   custom_element.access_layer =
7877     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7878      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7879      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7880      custom_element.access_layer);
7881   custom_element.access_protected =
7882     (IS_PROTECTED(element) ? 1 : 0);
7883   custom_element_properties[EP_ACCESSIBLE] =
7884     (IS_ACCESSIBLE_OVER(element) ||
7885      IS_ACCESSIBLE_INSIDE(element) ||
7886      IS_ACCESSIBLE_UNDER(element));
7887
7888   /* set walk-to-object action selectbox help value */
7889   custom_element.walk_to_action =
7890     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7891      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7892      IS_DROPPABLE(element) ? EP_DROPPABLE :
7893      IS_THROWABLE(element) ? EP_THROWABLE :
7894      IS_PUSHABLE(element) ? EP_PUSHABLE :
7895      custom_element.walk_to_action);
7896   custom_element_properties[EP_WALK_TO_OBJECT] =
7897     (IS_DIGGABLE(element) ||
7898      IS_COLLECTIBLE_ONLY(element) ||
7899      IS_DROPPABLE(element) ||
7900      IS_THROWABLE(element) ||
7901      IS_PUSHABLE(element));
7902
7903   /* set smash targets selectbox help value */
7904   custom_element.smash_targets =
7905     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7906      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7907      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7908      custom_element.smash_targets);
7909   custom_element_properties[EP_CAN_SMASH] =
7910     (CAN_SMASH_EVERYTHING(element) ||
7911      CAN_SMASH_ENEMIES(element) ||
7912      CAN_SMASH_PLAYER(element));
7913
7914   /* set deadliness selectbox help value */
7915   custom_element.deadliness =
7916     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7917      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7918      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7919      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7920      custom_element.deadliness);
7921   custom_element_properties[EP_DEADLY] =
7922     (DONT_TOUCH(element) ||
7923      DONT_GET_HIT_BY(element) ||
7924      DONT_COLLIDE_WITH(element) ||
7925      DONT_RUN_INTO(element));
7926
7927   /* ---------- element settings: advanced (custom elements) --------------- */
7928
7929   /* set "change by direct action" selectbox help value */
7930   custom_element_change.direct_action =
7931     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7932      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7933      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7934      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7935      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7936      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7937      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7938      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7939      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7940      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7941      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7942      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7943      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7944      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7945      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7946      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7947      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7948      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7949      custom_element_change.direct_action);
7950
7951   /* set "change by other element action" selectbox help value */
7952   custom_element_change.other_action =
7953     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7954      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7955      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7956      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7957      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7958      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7959      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7960      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7961      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7962      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7963      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7964      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7965      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7966      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7967      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7968      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7969      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7970      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7971      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7972      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7973      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7974      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7975      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7976      custom_element_change.other_action);
7977 }
7978
7979 static void CopyGroupElementPropertiesToEditor(int element)
7980 {
7981   group_element_info = *element_info[element].group;
7982   custom_element = element_info[element];       /* needed for description */
7983 }
7984
7985 static void CopyClassicElementPropertiesToEditor(int element)
7986 {
7987   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7988     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7989       getMoveIntoAcidProperty(&level, element);
7990
7991   if (MAYBE_DONT_COLLIDE_WITH(element))
7992     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7993       getDontCollideWithProperty(&level, element);
7994 }
7995
7996 static void CopyElementPropertiesToEditor(int element)
7997 {
7998   if (IS_CUSTOM_ELEMENT(element))
7999     CopyCustomElementPropertiesToEditor(element);
8000   else if (IS_GROUP_ELEMENT(element))
8001     CopyGroupElementPropertiesToEditor(element);
8002   else
8003     CopyClassicElementPropertiesToEditor(element);
8004 }
8005
8006 static boolean AskToCopyAndModifyLevelTemplate()
8007 {
8008   if (Request("Copy and modify settings from level template?", REQ_ASK))
8009   {
8010     level.use_custom_template = FALSE;
8011
8012     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8013                  GDI_CHECKED, FALSE, GDI_END);
8014     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8015                  GDI_CHECKED, FALSE, GDI_END);
8016
8017     return TRUE;
8018   }
8019   else
8020   {
8021     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8022
8023     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8024
8025     return FALSE;
8026   }
8027 }
8028
8029 static void CopyCustomElementPropertiesToGame(int element)
8030 {
8031   int i;
8032   int access_type_and_layer;
8033
8034   /* mark that this custom element has been modified */
8035   custom_element.modified_settings = TRUE;
8036   level.changed = TRUE;
8037
8038   if (level.use_custom_template)
8039     AskToCopyAndModifyLevelTemplate();
8040
8041   element_info[element] = custom_element;
8042   *element_info[element].change = custom_element_change;
8043
8044   /* ---------- element settings: configure (custom elements) ------------- */
8045
8046   /* set accessible property from checkbox and selectbox */
8047   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8048   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8049   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8050   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8051   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8052   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8053   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8054                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8055                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8056   custom_element_properties[access_type_and_layer] =
8057     custom_element_properties[EP_ACCESSIBLE];
8058   custom_element_properties[EP_PROTECTED] =
8059     (custom_element.access_protected != 0 &&
8060      custom_element_properties[EP_ACCESSIBLE]);
8061
8062   /* set walk-to-object property from checkbox and selectbox */
8063   custom_element_properties[EP_DIGGABLE] = FALSE;
8064   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8065   custom_element_properties[EP_DROPPABLE] = FALSE;
8066   custom_element_properties[EP_THROWABLE] = FALSE;
8067   custom_element_properties[EP_PUSHABLE] = FALSE;
8068   custom_element_properties[custom_element.walk_to_action] =
8069     custom_element_properties[EP_WALK_TO_OBJECT];
8070
8071   /* set smash property from checkbox and selectbox */
8072   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8073   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8074   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8075   custom_element_properties[custom_element.smash_targets] =
8076     custom_element_properties[EP_CAN_SMASH];
8077
8078   /* set deadliness property from checkbox and selectbox */
8079   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8080   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8081   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8082   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8083   custom_element_properties[custom_element.deadliness] =
8084     custom_element_properties[EP_DEADLY];
8085
8086   /* ---------- element settings: advanced (custom elements) --------------- */
8087
8088   /* set player change event from checkbox and selectbox */
8089   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8090   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8091   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8092   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8093   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8094   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8095   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8096   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8097   custom_element_change_events[CE_SWITCHED] = FALSE;
8098   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8099   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8100   custom_element_change_events[CE_BLOCKED] = FALSE;
8101   custom_element_change_events[CE_IMPACT] = FALSE;
8102   custom_element_change_events[CE_SMASHED] = FALSE;
8103   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8104   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8105   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8106   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8107   custom_element_change_events[custom_element_change.direct_action] =
8108     custom_element_change_events[CE_BY_DIRECT_ACTION];
8109
8110   /* set other element action change event from checkbox and selectbox */
8111   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8112   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8113   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8114   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8115   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8116   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8117   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8118   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8119   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8120   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8121   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8122   custom_element_change_events[CE_HITTING_X] = FALSE;
8123   custom_element_change_events[CE_DIGGING_X] = FALSE;
8124   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8125   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8126   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8127   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8128   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8129   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8130   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8131   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8132   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8133   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8134   custom_element_change_events[custom_element_change.other_action] =
8135     custom_element_change_events[CE_BY_OTHER_ACTION];
8136
8137   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8138     SET_PROPERTY(element, i, custom_element_properties[i]);
8139
8140   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8141     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8142
8143   /* copy change events also to special level editor variable */
8144   custom_element = element_info[element];
8145   custom_element_change = *element_info[element].change;
8146 }
8147
8148 static void CopyGroupElementPropertiesToGame(int element)
8149 {
8150   /* mark that this group element has been modified */
8151   custom_element.modified_settings = TRUE;
8152   level.changed = TRUE;
8153
8154   if (level.use_custom_template)
8155     AskToCopyAndModifyLevelTemplate();
8156
8157   element_info[element] = custom_element;
8158   *element_info[element].group = group_element_info;
8159 }
8160
8161 static void CopyClassicElementPropertiesToGame(int element)
8162 {
8163   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8164     setMoveIntoAcidProperty(&level, element,
8165                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8166
8167   if (MAYBE_DONT_COLLIDE_WITH(element))
8168     setDontCollideWithProperty(&level, element,
8169                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8170 }
8171
8172 static void CopyElementPropertiesToGame(int element)
8173 {
8174   if (IS_CUSTOM_ELEMENT(element))
8175     CopyCustomElementPropertiesToGame(element);
8176   else if (IS_GROUP_ELEMENT(element))
8177     CopyGroupElementPropertiesToGame(element);
8178   else
8179     CopyClassicElementPropertiesToGame(element);
8180 }
8181
8182 void CheckElementDescriptions()
8183 {
8184   int i;
8185
8186   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8187     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8188       Error(ERR_WARN, "no element description file for element '%s'",
8189             EL_NAME(i));
8190 }
8191
8192 static int getMaxEdFieldX(boolean has_scrollbar)
8193 {
8194   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8195   int sxsize = SXSIZE - scrollbar_width;
8196   int max_ed_fieldx = sxsize / ed_tilesize;
8197
8198   return max_ed_fieldx;
8199 }
8200
8201 static int getMaxEdFieldY(boolean has_scrollbar)
8202 {
8203   int infotext_height = INFOTEXT_YSIZE_FULL;
8204   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8205   int sysize = SYSIZE - scrollbar_height - infotext_height;
8206   int max_ed_fieldy = sysize / ed_tilesize;
8207
8208   return max_ed_fieldy;
8209 }
8210
8211 void InitZoomLevelSettings(int zoom_tilesize)
8212 {
8213   if (zoom_tilesize == -1)
8214     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8215
8216   // limit zoom tilesize by upper and lower bound
8217   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8218
8219   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8220
8221   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8222   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8223 }
8224
8225 static void InitLevelSetInfo()
8226 {
8227   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8228            "%s", leveldir_current->name);
8229   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8230            "%s", leveldir_current->author);
8231
8232   levelset_num_levels = leveldir_current->levels;
8233
8234   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8235 }
8236
8237 static void ChangeEditorToLevelSet(char *levelset_subdir)
8238 {
8239   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8240
8241   // the previous level set might have used custom artwork
8242   ReloadCustomArtwork(0);
8243
8244   LoadLevelSetup_SeriesInfo();
8245
8246   SaveLevelSetup_LastSeries();
8247   SaveLevelSetup_SeriesInfo();
8248
8249   TapeErase();
8250
8251   LoadLevel(level_nr);
8252   LoadScore(level_nr);
8253
8254   DrawLevelEd();
8255 }
8256
8257 void DrawLevelEd()
8258 {
8259   int fade_mask = REDRAW_FIELD;
8260
8261   FadeSoundsAndMusic();
8262
8263   if (CheckIfGlobalBorderHasChanged())
8264     fade_mask = REDRAW_ALL;
8265
8266   FadeOut(fade_mask);
8267
8268   /* needed if different viewport properties defined for editor */
8269   ChangeViewportPropertiesIfNeeded();
8270
8271   ClearField();
8272
8273   InitZoomLevelSettings(-1);
8274   InitLevelSetInfo();
8275
8276   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
8277
8278 #if DEBUG
8279   CheckElementDescriptions();
8280 #endif
8281
8282   if (level_editor_test_game)
8283   {
8284     CopyPlayfield(level.field, Feld);
8285     CopyPlayfield(FieldBackup, level.field);
8286
8287     level_editor_test_game = FALSE;
8288   }
8289   else
8290   {
8291     edit_mode = ED_MODE_DRAWING;
8292     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8293     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8294
8295     ResetUndoBuffer();
8296
8297     level_xpos = -1;
8298     level_ypos = -1;
8299   }
8300
8301   /* needed for gadgets drawn on background (like palette scrollbar) */
8302   SetDoorBackgroundImage(IMG_UNDEFINED);
8303
8304   /* copy default editor door content to main double buffer */
8305   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8306              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8307              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8308              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8309              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8310              DX, DY);
8311
8312   /* draw bigger door */
8313   DrawSpecialEditorDoor();
8314
8315   /* draw new control window */
8316   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8317              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8318              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8319              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8320              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8321              EX, EY);
8322
8323   // redraw_mask |= REDRAW_ALL;
8324
8325   FreeLevelEditorGadgets();
8326   CreateLevelEditorGadgets();
8327
8328   ReinitializeElementList();            /* update dynamic level element list */
8329   ReinitializeElementListButtons();     /* custom element may look different */
8330
8331   InitElementPropertiesGfxElement();
8332
8333   UnmapAllGadgets();
8334   MapControlButtons();
8335
8336   DrawEditModeWindow();
8337
8338   DrawMaskedBorder(fade_mask);
8339
8340   FadeIn(fade_mask);
8341
8342   /* copy actual editor door content to door double buffer for OpenDoor() */
8343   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8344 }
8345
8346 static void AdjustDrawingAreaGadgets()
8347 {
8348   int ed_xsize = lev_fieldx + 2;
8349   int ed_ysize = lev_fieldy + 2;
8350   int max_ed_fieldx = MAX_ED_FIELDX;
8351   int max_ed_fieldy = MAX_ED_FIELDY;
8352   boolean horizontal_scrollbar_needed;
8353   boolean vertical_scrollbar_needed;
8354   int x, y, width, height;
8355
8356   /* check if we need any scrollbars */
8357   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8358   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8359
8360   /* check if we have a smaller editor field because of scrollbars */
8361   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8362   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8363
8364   /* check again if we now need more scrollbars because of less space */
8365   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8366   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8367
8368   /* check if editor field gets even smaller after adding new scrollbars */
8369   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8370   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8371
8372   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8373   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8374
8375   x = SX + ed_fieldx * ed_tilesize;
8376   y = SY + ed_fieldy * ed_tilesize;
8377
8378   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8379   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8380
8381   /* adjust drawing area gadget */
8382   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8383                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8384                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8385                GDI_END);
8386
8387   /* adjust horizontal scrollbar gadgets */
8388   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8389                GDI_Y, y,
8390                GDI_END);
8391   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8392                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8393                GDI_Y, y,
8394                GDI_END);
8395   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8396                GDI_Y, y,
8397                GDI_WIDTH, width,
8398                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8399                GDI_END);
8400
8401   /* adjust vertical scrollbar gadgets */
8402   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8403                GDI_X, x,
8404                GDI_END);
8405   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8406                GDI_X, x,
8407                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8408                GDI_END);
8409   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8410                GDI_X, x,
8411                GDI_HEIGHT, height,
8412                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8413                GDI_END);
8414 }
8415
8416 static void AdjustLevelScrollPosition()
8417 {
8418   if (level_xpos < -1)
8419     level_xpos = -1;
8420   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8421     level_xpos = lev_fieldx - ed_fieldx + 1;
8422   if (lev_fieldx < ed_fieldx - 2)
8423     level_xpos = -1;
8424
8425   if (level_ypos < -1)
8426     level_ypos = -1;
8427   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8428     level_ypos = lev_fieldy - ed_fieldy + 1;
8429   if (lev_fieldy < ed_fieldy - 2)
8430     level_ypos = -1;
8431 }
8432
8433 static void AdjustEditorScrollbar(int id)
8434 {
8435   struct GadgetInfo *gi = level_editor_gadget[id];
8436   int items_max, items_visible, item_position;
8437
8438   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8439   {
8440     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8441     items_visible = ed_fieldx;
8442     item_position = level_xpos + 1;
8443   }
8444   else
8445   {
8446     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8447     items_visible = ed_fieldy;
8448     item_position = level_ypos + 1;
8449   }
8450
8451   if (item_position > items_max - items_visible)
8452     item_position = items_max - items_visible;
8453
8454   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8455                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8456 }
8457
8458 static void AdjustElementListScrollbar()
8459 {
8460   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8461   int items_max, items_visible, item_position;
8462
8463   /* correct position of element list scrollbar */
8464   if (element_shift < 0)
8465     element_shift = 0;
8466   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8467     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8468
8469   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8470   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8471   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8472
8473   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8474                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8475                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8476 }
8477
8478 static void ModifyEditorCounterValue(int counter_id, int new_value)
8479 {
8480   int *counter_value = counterbutton_info[counter_id].value;
8481   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8482   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8483
8484   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8485
8486   if (counter_value != NULL)
8487     *counter_value = gi->textinput.number_value;
8488 }
8489
8490 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8491 {
8492   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8493   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8494
8495   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8496
8497   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8498       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8499   {
8500     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8501     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8502
8503     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8504     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8505                  GDI_END);
8506   }
8507 }
8508
8509 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8510 {
8511   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8512   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8513   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8514
8515   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8516 }
8517
8518 static void ModifyEditorSelectboxOptions(int selectbox_id,
8519                                          struct ValueTextInfo *options)
8520 {
8521   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8522   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8523
8524   selectbox_info[selectbox_id].options = options;
8525
8526   /* set index to zero -- list may be shorter now (correct later, if needed) */
8527   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8528                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8529 }
8530
8531 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8532 {
8533   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8534   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8535
8536   drawingarea_info[drawingarea_id].area_xsize = xsize;
8537   drawingarea_info[drawingarea_id].area_ysize = ysize;
8538
8539   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8540 }
8541
8542 static void ModifyEditorElementList()
8543 {
8544   int i;
8545
8546   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8547     return;
8548
8549   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8550   {
8551     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8552     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8553     struct GadgetDesign *gd = &gi->deco.design;
8554     int element = editor_elements[element_shift + i];
8555     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8556
8557     UnmapGadget(gi);
8558
8559     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8560
8561     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8562
8563     MapGadget(gi);
8564   }
8565 }
8566
8567 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8568 {
8569   int graphic = el2edimg(element);
8570   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8571
8572   if (pos->x == -1 &&
8573       pos->y == -1)
8574     return;
8575
8576   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8577 }
8578
8579 static void ModifyDrawingElementButton(int element, int id)
8580 {
8581   struct GadgetInfo *gi = level_editor_gadget[id];
8582   Bitmap *deco_bitmap;
8583   int deco_x, deco_y;
8584   int tile_size = gi->deco.width;
8585
8586   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8587
8588   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8589 }
8590
8591 static void PickDrawingElement(int button, int element)
8592 {
8593   struct
8594   {
8595     int *new_element;
8596     struct XYTileSize *pos;
8597     int id;
8598   } de, drawing_elements[] =
8599   {
8600     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8601     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8602     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8603   };
8604
8605   if (button < 1 || button > 3)
8606     return;
8607
8608   if (IS_MM_WALL(element))
8609     element = map_mm_wall_element(element);
8610
8611   de = drawing_elements[button - 1];
8612
8613   *de.new_element = element;    // update global drawing element variable
8614
8615   DrawDrawingElementGraphic(element, de.pos);
8616   ModifyDrawingElementButton(element, de.id);
8617
8618   redraw_mask |= REDRAW_DOOR_1;
8619 }
8620
8621 static void RedrawDrawingElements()
8622 {
8623   PickDrawingElement(1, new_element1);
8624   PickDrawingElement(2, new_element2);
8625   PickDrawingElement(3, new_element3);
8626 }
8627
8628 static void DrawDrawingWindow()
8629 {
8630   stick_element_properties_window = FALSE;
8631
8632   SetMainBackgroundImage(IMG_UNDEFINED);
8633   ClearField();
8634
8635   UnmapLevelEditorFieldGadgets();
8636   UnmapLevelEditorToolboxCustomGadgets();
8637
8638   AdjustDrawingAreaGadgets();
8639   AdjustLevelScrollPosition();
8640   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8641   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8642
8643   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8644
8645   MapMainDrawingArea();
8646   MapLevelEditorToolboxDrawingGadgets();
8647 }
8648
8649 static int getTabulatorBarWidth()
8650 {
8651   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8652   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8653
8654   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8655 }
8656
8657 static int getTabulatorBarHeight()
8658 {
8659   return ED_TAB_BAR_HEIGHT;
8660 }
8661
8662 static void DrawLevelInfoTabulatorGadgets()
8663 {
8664   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8665   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8666   int gd_x = gd->x + gd_gi1->border.width / 2;
8667   int gd_y = gd->y + gd_gi1->height - 1;
8668   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8669   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8670   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8671   int i;
8672
8673   for (i = id_first; i <= id_last; i++)
8674   {
8675     int gadget_id = textbutton_info[i].gadget_id;
8676     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8677     boolean active = (i != edit_mode_levelinfo);
8678
8679     /* draw background line below tabulator button */
8680     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8681
8682     /* draw solid line below inactive tabulator buttons */
8683     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8684       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8685                     ED_GADGET_TINY_DISTANCE, tab_color);
8686
8687     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8688     MapTextbuttonGadget(i);
8689   }
8690
8691   /* draw little border line below tabulator buttons */
8692   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8693     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8694                   ED_GADGET_TINY_DISTANCE,
8695                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8696 }
8697
8698 static void DrawPropertiesTabulatorGadgets()
8699 {
8700   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8701   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8702   int gd_x = gd->x + gd_gi1->border.width / 2;
8703   int gd_y = gd->y + gd_gi1->height - 1;
8704   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8705   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8706   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8707   int i;
8708
8709   /* draw two config tabulators for player elements */
8710   if (ELEM_IS_PLAYER(properties_element))
8711     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8712
8713   /* draw two config and one "change" tabulator for custom elements */
8714   if (IS_CUSTOM_ELEMENT(properties_element))
8715     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8716
8717   for (i = id_first; i <= id_last; i++)
8718   {
8719     int gadget_id = textbutton_info[i].gadget_id;
8720     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8721     boolean active = (i != edit_mode_properties);
8722
8723     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8724     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8725         (ELEM_IS_PLAYER(properties_element) ||
8726          IS_CUSTOM_ELEMENT(properties_element)))
8727       continue;
8728
8729     /* draw background line below tabulator button */
8730     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8731
8732     /* draw solid line below inactive tabulator buttons */
8733     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8734       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8735                     ED_GADGET_TINY_DISTANCE, tab_color);
8736
8737     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8738     MapTextbuttonGadget(i);
8739   }
8740
8741   /* draw little border line below tabulator buttons */
8742   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8743     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8744                   ED_GADGET_TINY_DISTANCE,
8745                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8746 }
8747
8748 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8749 {
8750   DrawText(SX + xpos, SY + ypos, text, font_nr);
8751 }
8752
8753 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8754                                            int xpos, int ypos)
8755 {
8756   int font_width = getFontWidth(font_nr);
8757   int font_height = getFontHeight(font_nr);
8758   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8759   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8760
8761   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8762                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8763                       TRUE, FALSE, FALSE);
8764 }
8765
8766 static void DrawLevelInfoLevel()
8767 {
8768   int i;
8769
8770   /* draw counter gadgets */
8771   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8772     MapCounterButtons(i);
8773
8774   /* draw checkbutton gadgets */
8775   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8776     MapCheckbuttonGadget(i);
8777
8778   /* draw selectbox gadgets */
8779   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8780     MapSelectboxGadget(i);
8781
8782   /* draw text input gadgets */
8783   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8784     MapTextInputGadget(i);
8785 }
8786
8787 static char *getLevelSubdirFromSaveMode(int save_mode)
8788 {
8789   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8790     return getNewUserLevelSubdir();
8791
8792   return leveldir_current->subdir;
8793 }
8794
8795 static void DrawLevelInfoLevelSet_DirectoryInfo()
8796 {
8797   char *directory_text = "Level set directory:";
8798   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
8799   int font1_nr = FONT_TEXT_1;
8800   int font2_nr = FONT_TEXT_2;
8801   int font1_height = getFontHeight(font1_nr);
8802   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
8803   int x = ED_LEVEL_SETTINGS_X(0);
8804   int y = ED_LEVEL_SETTINGS_Y(6);
8805
8806   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
8807   PrintInfoText(directory_name, font2_nr, x, y);
8808 }
8809
8810 static void DrawLevelInfoLevelSet()
8811 {
8812   int i;
8813
8814   /* draw counter gadgets */
8815   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
8816     MapCounterButtons(i);
8817
8818   /* draw selectbox gadgets */
8819   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
8820     MapSelectboxGadget(i);
8821
8822   /* draw text input gadgets */
8823   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
8824     MapTextInputGadget(i);
8825
8826   /* draw textbutton gadgets */
8827   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
8828
8829   /* draw info text */
8830   DrawLevelInfoLevelSet_DirectoryInfo();
8831 }
8832
8833 static void DrawLevelInfoEditor()
8834 {
8835   int i;
8836
8837   /* draw counter gadgets */
8838   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8839     MapCounterButtons(i);
8840
8841   /* draw checkbutton gadgets */
8842   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8843     MapCheckbuttonGadget(i);
8844
8845   /* draw radiobutton gadgets */
8846   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8847     MapRadiobuttonGadget(i);
8848
8849   /* draw drawing area */
8850   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8851
8852   /* draw textbutton gadgets */
8853   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8854 }
8855
8856 static void DrawLevelInfoWindow()
8857 {
8858   char *text = "Global Settings";
8859   int font_nr = FONT_TITLE_1;
8860   struct MenuPosInfo *pos = &editor.settings.headline;
8861   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8862   int sy = SY + pos->y;
8863
8864   stick_element_properties_window = FALSE;
8865
8866   SetAutomaticNumberOfGemsNeeded();
8867
8868   UnmapLevelEditorFieldGadgets();
8869
8870   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8871   ClearField();
8872
8873   DrawText(sx, sy, text, font_nr);
8874
8875   DrawLevelInfoTabulatorGadgets();
8876
8877   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8878     DrawLevelInfoLevel();
8879   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
8880     DrawLevelInfoLevelSet();
8881   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
8882     DrawLevelInfoEditor();
8883 }
8884
8885 static void DrawCustomContentArea()
8886 {
8887   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8888   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8889   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8890   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8891   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8892   int xoffset = ED_GADGET_SPACE_DISTANCE;
8893
8894   /* add distance for potential left text (without drawing area border) */
8895   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8896
8897   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8898
8899   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8900 }
8901
8902 static void DrawCustomChangeContentArea()
8903 {
8904   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8905   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8906   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8907   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8908   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8909   int xoffset = ED_GADGET_SPACE_DISTANCE;
8910
8911   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8912
8913   MapDrawingArea(id);
8914 }
8915
8916 static void RemoveElementContentArea(int id, int font_height)
8917 {
8918   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8919
8920   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8921                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8922                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8923                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8924                  ED_GADGET_TEXT_DISTANCE + font_height);
8925 }
8926
8927 static void DrawYamYamContentAreas()
8928 {
8929   int font_nr = FONT_TEXT_1;
8930   int font_height = getFontHeight(font_nr);
8931   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8932   int yoffset = (tilesize - font_height) / 2;
8933   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8934   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8935   int i;
8936
8937   /* display counter to choose number of element content areas */
8938   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8939
8940   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8941   {
8942     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8943
8944     if (i < level.num_yamyam_contents)
8945     {
8946       MapDrawingArea(id);
8947     }
8948     else
8949     {
8950       UnmapDrawingArea(id);
8951
8952       /* delete content areas in case of reducing number of them */
8953       RemoveElementContentArea(id, font_height);
8954     }
8955   }
8956
8957   DrawText(x, y + 0 * tilesize, "content", font_nr);
8958   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8959   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8960 }
8961
8962 static void DrawMagicBallContentAreas()
8963 {
8964   int font_nr = FONT_TEXT_1;
8965   int font_height = getFontHeight(font_nr);
8966   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8967   int yoffset = (tilesize - font_height) / 2;
8968   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8969   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8970   int i;
8971
8972   /* display counter to choose number of element content areas */
8973   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8974
8975   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8976   {
8977     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8978
8979     if (i < level.num_ball_contents)
8980     {
8981       MapDrawingArea(id);
8982     }
8983     else
8984     {
8985       UnmapDrawingArea(id);
8986
8987       /* delete content areas in case of reducing number of them */
8988       RemoveElementContentArea(id, font_height);
8989     }
8990   }
8991
8992   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8993   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8994   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8995 }
8996
8997 static void DrawAndroidElementArea(int element)
8998 {
8999   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9000   int num_elements = level.num_android_clone_elements;
9001   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9002   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9003   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9004   int xsize = MAX_ANDROID_ELEMENTS;
9005   int ysize = 1;
9006
9007   /* display counter to choose number of element areas */
9008   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9009
9010   if (drawingarea_info[id].text_left != NULL)
9011     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9012
9013   UnmapDrawingArea(id);
9014
9015   ModifyEditorDrawingArea(id, num_elements, 1);
9016
9017   /* delete content areas in case of reducing number of them */
9018   DrawBackground(sx, sy,
9019                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9020                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9021
9022   MapDrawingArea(id);
9023 }
9024
9025 static void DrawGroupElementArea(int element)
9026 {
9027   int id = ED_DRAWING_ID_GROUP_CONTENT;
9028   int num_elements = group_element_info.num_elements;
9029   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9030   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9031   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9032   int xsize = MAX_ELEMENTS_IN_GROUP;
9033   int ysize = 1;
9034
9035   if (drawingarea_info[id].text_left != NULL)
9036     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9037
9038   UnmapDrawingArea(id);
9039
9040   ModifyEditorDrawingArea(id, num_elements, 1);
9041
9042   /* delete content areas in case of reducing number of them */
9043   DrawBackground(sx, sy,
9044                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9045                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9046
9047   MapDrawingArea(id);
9048 }
9049
9050 static void DrawPlayerInitialInventoryArea(int element)
9051 {
9052   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9053   int player_nr = GET_PLAYER_NR(element);
9054   int num_elements = level.initial_inventory_size[player_nr];
9055   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9056   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9057   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9058   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9059   int ysize = 1;
9060
9061   /* determine horizontal position to the right of specified gadget */
9062   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9063     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9064           ED_DRAWINGAREA_TEXT_DISTANCE);
9065
9066   /* determine horizontal offset for leading text */
9067   if (drawingarea_info[id].text_left != NULL)
9068     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9069
9070   UnmapDrawingArea(id);
9071
9072   ModifyEditorDrawingArea(id, num_elements, 1);
9073
9074   /* delete content areas in case of reducing number of them */
9075   DrawBackground(sx, sy,
9076                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9077                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9078
9079   MapDrawingArea(id);
9080 }
9081
9082 static void DrawEnvelopeTextArea(int envelope_nr)
9083 {
9084   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9085   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9086
9087   UnmapGadget(gi);
9088   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9089
9090   if (envelope_nr != -1)
9091     textarea_info[id].value = level.envelope[envelope_nr].text;
9092
9093   ModifyGadget(gi, GDI_AREA_SIZE,
9094                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9095                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9096                GDI_END);
9097
9098   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9099 }
9100
9101 static void DrawPropertiesInfo()
9102 {
9103   static struct
9104   {
9105     int value;
9106     char *text;
9107   }
9108   properties[] =
9109   {
9110     /* configurable properties */
9111
9112     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9113     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9114     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9115     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9116     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9117     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9118     { EP_PROTECTED,             "- player is protected by it"           },
9119
9120     { EP_DIGGABLE,              "- can be digged away"                  },
9121     { EP_COLLECTIBLE,           "- can be collected"                    },
9122     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9123     { EP_THROWABLE,             "- can be thrown after collecting"      },
9124     { EP_PUSHABLE,              "- can be pushed"                       },
9125
9126     { EP_CAN_FALL,              "- can fall"                            },
9127     { EP_CAN_MOVE,              "- can move"                            },
9128
9129     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9130 #if 0
9131     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9132 #endif
9133     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9134
9135     { EP_SLIPPERY,              "- slippery for falling elements"       },
9136     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9137
9138     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9139     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9140     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9141     { EP_DONT_TOUCH,            "- deadly when touching"                },
9142
9143     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9144
9145     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9146     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9147     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9148
9149     { EP_CAN_CHANGE,            "- can change to other element"         },
9150
9151     /* pre-defined properties */
9152     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9153     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9154     { EP_SWITCHABLE,            "- can be switched"                     },
9155 #if 0
9156     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9157 #endif
9158
9159     { -1,                       NULL                                    }
9160   };
9161   char *filename = getElementDescriptionFilename(properties_element);
9162   char *percentage_text = "In this level: ";
9163   char *properties_text = "Standard properties: ";
9164   char *description_text = "Description:";
9165   char *no_description_text = "No description available.";
9166   char *none_text = "None";
9167   float percentage;
9168   int num_elements_in_level;
9169   int num_standard_properties = 0;
9170   int font1_nr = FONT_TEXT_1;
9171   int font2_nr = FONT_TEXT_2;
9172   int font1_width = getFontWidth(font1_nr);
9173   int font1_height = getFontHeight(font1_nr);
9174   int font2_height = getFontHeight(font2_nr);
9175   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9176   int font2_yoffset = (font1_height - font2_height) / 2;
9177   int percentage_text_len = strlen(percentage_text) * font1_width;
9178   int properties_text_len = strlen(properties_text) * font1_width;
9179   int xpos = ED_ELEMENT_SETTINGS_X(0);
9180   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9181   int i, x, y;
9182
9183   if (setup.editor.show_element_token)
9184   {
9185     int font3_nr = FONT_TEXT_3;
9186     int font3_height = getFontHeight(font3_nr);
9187
9188     DrawTextF(xpos, ypos, font3_nr,
9189               "[%s]", element_info[properties_element].token_name);
9190
9191     ypos += 2 * font3_height;
9192   }
9193
9194   /* ----- print number of elements / percentage of this element in level */
9195
9196   num_elements_in_level = 0;
9197   for (y = 0; y < lev_fieldy; y++)
9198     for (x = 0; x < lev_fieldx; x++)
9199       if (Feld[x][y] == properties_element)
9200         num_elements_in_level++;
9201   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9202
9203   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9204
9205   if (num_elements_in_level > 0)
9206     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9207               "%d (%.2f %%)", num_elements_in_level, percentage);
9208   else
9209     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9210               none_text);
9211
9212   ypos += 2 * MAX(font1_height, font2_height);
9213
9214   /* ----- print standard properties of this element */
9215
9216   DrawTextS(xpos, ypos, font1_nr, properties_text);
9217
9218   ypos += line1_height;
9219
9220   for (i = 0; properties[i].value != -1; i++)
9221   {
9222     if (!HAS_PROPERTY(properties_element, properties[i].value))
9223       continue;
9224
9225     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9226
9227     ypos += font2_height;
9228
9229     num_standard_properties++;
9230   }
9231
9232   if (num_standard_properties == 0)
9233   {
9234     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9235               font2_nr, none_text);
9236
9237     ypos -= (line1_height - font1_height);
9238   }
9239
9240   ypos += MAX(font1_height, font2_height);
9241
9242   /* ----- print special description of this element */
9243
9244   PrintInfoText(description_text, font1_nr, xpos, ypos);
9245
9246   ypos += line1_height;
9247
9248   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9249     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9250 }
9251
9252 #define TEXT_COLLECTING         "Score for collecting"
9253 #define TEXT_SMASHING           "Score for smashing"
9254 #define TEXT_SLURPING           "Score for slurping robot"
9255 #define TEXT_CRACKING           "Score for cracking"
9256 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9257 #define TEXT_DURATION           "Duration when activated"
9258 #define TEXT_DELAY_ON           "Delay before activating"
9259 #define TEXT_DELAY_OFF          "Delay before deactivating"
9260 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9261 #define TEXT_DELAY_MOVING       "Delay before moving"
9262 #define TEXT_BALL_DELAY         "Element generation delay"
9263 #define TEXT_MOVE_SPEED         "Speed of android moving"
9264 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9265 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9266 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9267 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9268 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9269 #define TEXT_TIME_BONUS         "Extra time to solve level"
9270
9271 static struct
9272 {
9273   int element;
9274   int *value;
9275   char *text;
9276 } elements_with_counter[] =
9277 {
9278   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9279   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9280   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9281   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9282   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9283   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9284   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9285   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9286   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9287   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9288   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9289   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9290   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9291   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9292   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9293   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9294   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9295   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9296   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9297   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9298   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9299   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9300   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9301   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9302   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9303   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9304   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9305   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9306   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9307   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9308   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9309   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9310   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9311   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9312   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9313   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9314   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9315   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9316   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9317   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9318   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9319   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9320   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9321   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9322   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9323   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9324   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9325   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9326   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9327   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9328   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9329   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9330   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9331   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9332   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9333   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9334   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9335   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9336   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9337   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9338   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9339   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9340   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9341   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9342   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9343   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9344   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9345   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9346   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9347   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9348   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9349   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9350   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9351   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9352   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9353   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9354   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9355   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9356   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9357   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9358   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9359   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9360   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9361
9362   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9363   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9364   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9365   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9366   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9367   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9368   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9369   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9370   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9371   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9372   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9373   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9374   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9375   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9376   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9377   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9378
9379   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9380   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9381   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9382   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9383   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9384   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9385   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9386   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9387   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9388   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9389   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9390   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9391   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9392
9393   { -1,                 NULL,                           NULL            }
9394 };
9395
9396 static boolean checkPropertiesConfig(int element)
9397 {
9398   int i;
9399
9400   if (IS_GEM(element) ||
9401       IS_CUSTOM_ELEMENT(element) ||
9402       IS_GROUP_ELEMENT(element) ||
9403       IS_BALLOON_ELEMENT(element) ||
9404       IS_ENVELOPE(element) ||
9405       IS_MM_MCDUFFIN(element) ||
9406       IS_DF_LASER(element) ||
9407       ELEM_IS_PLAYER(element) ||
9408       HAS_EDITOR_CONTENT(element) ||
9409       CAN_GROW(element) ||
9410       COULD_MOVE_INTO_ACID(element) ||
9411       MAYBE_DONT_COLLIDE_WITH(element) ||
9412       element == EL_SOKOBAN_OBJECT ||
9413       element == EL_SOKOBAN_FIELD_EMPTY ||
9414       element == EL_SOKOBAN_FIELD_FULL)
9415     return TRUE;
9416   else
9417     for (i = 0; elements_with_counter[i].element != -1; i++)
9418       if (elements_with_counter[i].element == element)
9419         return TRUE;
9420
9421   return FALSE;
9422 }
9423
9424 static void SetAutomaticNumberOfGemsNeeded()
9425 {
9426   int x, y;
9427
9428   if (!level.auto_count_gems)
9429     return;
9430
9431   level.gems_needed = 0;
9432
9433   for (x = 0; x < lev_fieldx; x++)
9434   {
9435     for (y = 0; y < lev_fieldy; y++)
9436     {
9437       int element = Feld[x][y];
9438
9439       if (IS_GEM(element) ||
9440           element == EL_MM_KETTLE ||
9441           element == EL_DF_CELL)
9442         level.gems_needed++;
9443     }
9444   }
9445
9446   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9447 }
9448
9449 static void DrawPropertiesConfig()
9450 {
9451   boolean draw_footer_line = FALSE;
9452   int max_num_element_counters = 4;
9453   int num_element_counters = 0;
9454   int i;
9455
9456   if (!checkPropertiesConfig(properties_element))
9457   {
9458     int xpos = ED_ELEMENT_SETTINGS_X(0);
9459     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9460
9461     PrintInfoText("No configuration options available.",
9462                   FONT_TEXT_1, xpos, ypos);
9463
9464     return;
9465   }
9466
9467   /* check if there are elements where a value can be chosen for */
9468   for (i = 0; elements_with_counter[i].element != -1; i++)
9469   {
9470     if (elements_with_counter[i].element == properties_element)
9471     {
9472       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9473
9474       counterbutton_info[counter_id].y =
9475         ED_ELEMENT_SETTINGS_YPOS(
9476                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9477                 (CAN_GROW(properties_element)                ? 1 : 0) +
9478                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9479                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9480                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9481                 num_element_counters);
9482
9483       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9484       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9485
9486       if (properties_element == EL_GAME_OF_LIFE ||
9487           properties_element == EL_BIOMAZE)
9488       {
9489         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9490         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9491       }
9492       else
9493       {
9494         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9495         counterbutton_info[counter_id].min_value = MIN_SCORE;
9496         counterbutton_info[counter_id].max_value = MAX_SCORE;
9497       }
9498
9499       MapCounterButtons(counter_id);
9500
9501       num_element_counters++;
9502       if (num_element_counters >= max_num_element_counters)
9503         break;
9504     }
9505   }
9506
9507   if (HAS_EDITOR_CONTENT(properties_element))
9508   {
9509     /* draw stickybutton gadget */
9510     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9511
9512     if (IS_AMOEBOID(properties_element))
9513       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9514     else if (properties_element == EL_YAMYAM ||
9515              properties_element == EL_YAMYAM_LEFT ||
9516              properties_element == EL_YAMYAM_RIGHT ||
9517              properties_element == EL_YAMYAM_UP ||
9518              properties_element == EL_YAMYAM_DOWN)
9519       DrawYamYamContentAreas();
9520     else if (properties_element == EL_EMC_MAGIC_BALL)
9521     {
9522       DrawMagicBallContentAreas();
9523
9524       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9525       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9526     }
9527     else if (properties_element == EL_EMC_ANDROID)
9528       DrawAndroidElementArea(properties_element);
9529   }
9530
9531   if (ELEM_IS_PLAYER(properties_element))
9532   {
9533     int player_nr = GET_PLAYER_NR(properties_element);
9534
9535     /* these properties can be set for every player individually */
9536
9537     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9538     {
9539       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9540         &level.start_element[player_nr];
9541       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9542         &level.artwork_element[player_nr];
9543       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9544         &level.explosion_element[player_nr];
9545
9546       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9547         &level.use_start_element[player_nr];
9548       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9549         &level.use_artwork_element[player_nr];
9550       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9551         &level.use_explosion_element[player_nr];
9552       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9553         &level.initial_player_gravity[player_nr];
9554
9555       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9556         &level.initial_player_stepsize[player_nr];
9557
9558       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9559       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9560                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9561                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9562       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9563       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9564       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9565       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9566       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9567       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9568       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9569       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9570       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9571       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9572
9573       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9574       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9575       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9576
9577       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9578     }
9579     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9580     {
9581       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9582         &level.initial_inventory_content[player_nr][0];
9583
9584       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9585         &level.initial_inventory_size[player_nr];
9586
9587       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9588         &level.use_initial_inventory[player_nr];
9589
9590       /* draw checkbutton gadgets */
9591       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9592
9593       /* draw counter gadgets */
9594       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9595
9596       /* draw drawing area gadgets */
9597       DrawPlayerInitialInventoryArea(properties_element);
9598     }
9599   }
9600
9601   if (IS_GEM(properties_element))
9602     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9603
9604   if (properties_element == EL_EM_DYNAMITE)
9605     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9606
9607   if (COULD_MOVE_INTO_ACID(properties_element) &&
9608       !ELEM_IS_PLAYER(properties_element) &&
9609       (!IS_CUSTOM_ELEMENT(properties_element) ||
9610        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9611   {
9612     /* set position for checkbutton for "can move into acid" */
9613     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9614       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9615     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9616       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9617                                IS_BALLOON_ELEMENT(properties_element) ||
9618                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9619
9620     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9621   }
9622
9623   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9624     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9625
9626   if (properties_element == EL_SPRING)
9627     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9628
9629   if (properties_element == EL_TIME_ORB_FULL)
9630     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9631
9632   if (CAN_GROW(properties_element))
9633   {
9634     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9635       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9636
9637     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9638   }
9639
9640   if (properties_element == EL_SOKOBAN_OBJECT ||
9641       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9642       properties_element == EL_SOKOBAN_FIELD_FULL)
9643     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9644
9645   if (IS_BALLOON_ELEMENT(properties_element))
9646     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9647
9648   if (IS_ENVELOPE(properties_element))
9649   {
9650     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9651     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9652     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9653     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9654     int envelope_nr = properties_element - EL_ENVELOPE_1;
9655
9656     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9657     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9658
9659     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9660     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9661
9662     /* display counter to choose size of envelope text area */
9663     MapCounterButtons(counter1_id);
9664     MapCounterButtons(counter2_id);
9665
9666     /* display checkbuttons to choose auto-wrap and alignment properties */
9667     MapCheckbuttonGadget(button1_id);
9668     MapCheckbuttonGadget(button2_id);
9669
9670     DrawEnvelopeTextArea(envelope_nr);
9671   }
9672
9673   if (IS_MM_MCDUFFIN(properties_element))
9674   {
9675     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9676     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9677     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9678   }
9679
9680   if (IS_DF_LASER(properties_element))
9681   {
9682     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9683     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9684     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9685   }
9686
9687   if (IS_CUSTOM_ELEMENT(properties_element))
9688   {
9689     /* draw stickybutton gadget */
9690     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9691
9692     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9693     {
9694       /* draw checkbutton gadgets */
9695       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9696            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9697         MapCheckbuttonGadget(i);
9698
9699       /* draw counter gadgets */
9700       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9701            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9702         MapCounterButtons(i);
9703
9704       /* draw selectbox gadgets */
9705       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9706            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9707         MapSelectboxGadget(i);
9708
9709       /* draw textbutton gadgets */
9710       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9711
9712       /* draw text input gadgets */
9713       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9714
9715       /* draw drawing area gadgets */
9716       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9717
9718       draw_footer_line = TRUE;
9719     }
9720     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9721     {
9722       /* draw checkbutton gadgets */
9723       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9724            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9725         MapCheckbuttonGadget(i);
9726
9727       /* draw counter gadgets */
9728       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9729            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9730         MapCounterButtons(i);
9731
9732       /* draw selectbox gadgets */
9733       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9734            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9735         MapSelectboxGadget(i);
9736
9737       /* draw drawing area gadgets */
9738       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9739       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9740       DrawCustomContentArea();
9741     }
9742   }
9743   else if (IS_GROUP_ELEMENT(properties_element))
9744   {
9745     /* draw stickybutton gadget */
9746     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9747
9748     /* draw checkbutton gadgets */
9749     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9750     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9751
9752     /* draw counter gadgets */
9753     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9754
9755     /* draw selectbox gadgets */
9756     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9757
9758     /* draw textbutton gadgets */
9759     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9760
9761     /* draw drawing area gadgets */
9762     DrawGroupElementArea(properties_element);
9763
9764     /* draw text input gadgets */
9765     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9766
9767     /* draw drawing area gadgets */
9768     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9769
9770     draw_footer_line = TRUE;
9771   }
9772
9773   /* draw little footer border line above CE/GE use/save template gadgets */
9774   if (draw_footer_line)
9775   {
9776     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9777     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9778     int gd_x = gd->x + gd_gi1->border.width / 2;
9779     int gd_y = gd->y + gd_gi1->height - 1;
9780     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9781
9782     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9783       FillRectangle(drawto,
9784                     SX + ED_ELEMENT_SETTINGS_X(0),
9785                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9786                     ED_TAB_BAR_HEIGHT,
9787                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9788   }
9789 }
9790
9791 static void DrawPropertiesChangeDrawingAreas()
9792 {
9793   if (IS_CUSTOM_ELEMENT(properties_element))
9794   {
9795     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9796     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9797     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9798
9799     DrawCustomChangeContentArea();
9800   }
9801
9802   redraw_mask |= REDRAW_FIELD;
9803 }
9804
9805 static void DrawPropertiesChange()
9806 {
9807   int i;
9808
9809   /* needed to initially set selectbox options for special action options */
9810   setSelectboxSpecialActionOptions();
9811
9812   /* draw stickybutton gadget */
9813   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9814
9815   /* draw checkbutton gadgets */
9816   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9817        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9818     MapCheckbuttonGadget(i);
9819
9820   /* draw counter gadgets */
9821   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9822        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9823     MapCounterButtons(i);
9824
9825   /* draw selectbox gadgets */
9826   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9827        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9828     MapSelectboxGadget(i);
9829
9830   /* draw textbutton gadgets */
9831   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9832        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9833     MapTextbuttonGadget(i);
9834
9835   /* draw graphicbutton gadgets */
9836   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9837        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9838     MapGraphicbuttonGadget(i);
9839
9840   /* draw drawing area gadgets */
9841   DrawPropertiesChangeDrawingAreas();
9842 }
9843
9844 static void DrawEditorElementAnimation(int x, int y)
9845 {
9846   int graphic = el2img(properties_element);
9847   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9848                custom_element.ce_value_fixed_initial :
9849                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9850                custom_element.collect_score_initial : FrameCounter);
9851
9852   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9853 }
9854
9855 static void DrawEditorElementName(int x, int y, int font_nr)
9856 {
9857   char *element_name = getElementInfoText(properties_element);
9858   int font_width = getFontWidth(font_nr);
9859   int font_height = getFontHeight(font_nr);
9860   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9861   int max_chars_per_line = max_text_width / font_width;
9862   char buffer[max_chars_per_line + 1];
9863
9864   if (strlen(element_name) <= max_chars_per_line)
9865     DrawTextS(x, y, font_nr, element_name);
9866   else
9867   {
9868     int next_pos = max_chars_per_line;
9869
9870     strncpy(buffer, element_name, max_chars_per_line);
9871     buffer[max_chars_per_line] = '\0';
9872
9873     if (element_name[max_chars_per_line] == ' ')
9874       next_pos++;
9875     else
9876     {
9877       int i;
9878
9879       for (i = max_chars_per_line - 1; i >= 0; i--)
9880         if (buffer[i] == ' ')
9881           break;
9882
9883       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9884       {
9885         buffer[i] = '\0';
9886         next_pos = i + 1;
9887       }
9888     }
9889
9890     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9891
9892     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9893     buffer[max_chars_per_line] = '\0';
9894
9895     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9896   }
9897 }
9898
9899 static void DrawPropertiesWindow()
9900 {
9901   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9902   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9903   int border_size = gd->border_size;
9904   int font_nr = FONT_TEXT_1;
9905   int font_height = getFontHeight(font_nr);
9906   int xoffset = TILEX + element_border + 3 * border_size;
9907   int yoffset = (TILEY - font_height) / 2;
9908   int x1 = editor.settings.element_graphic.x + element_border;
9909   int y1 = editor.settings.element_graphic.y + element_border;
9910   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9911             editor.settings.element_name.x);
9912   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9913             editor.settings.element_name.y);
9914   char *text = "Element Settings";
9915   int font2_nr = FONT_TITLE_1;
9916   struct MenuPosInfo *pos = &editor.settings.headline;
9917   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9918   int sy = SY + pos->y;
9919
9920   stick_element_properties_window = FALSE;
9921
9922   /* make sure that previous properties edit mode exists for this element */
9923   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9924       !IS_CUSTOM_ELEMENT(properties_element))
9925     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9926
9927   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9928       !ELEM_IS_PLAYER(properties_element) &&
9929       !IS_CUSTOM_ELEMENT(properties_element))
9930     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9931
9932   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9933       (ELEM_IS_PLAYER(properties_element) ||
9934        IS_CUSTOM_ELEMENT(properties_element)))
9935     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9936
9937   CopyElementPropertiesToEditor(properties_element);
9938
9939   UnmapLevelEditorFieldGadgets();
9940   UnmapLevelEditorToolboxDrawingGadgets();
9941   UnmapLevelEditorToolboxCustomGadgets();
9942
9943   if (IS_CUSTOM_ELEMENT(properties_element) ||
9944       IS_GROUP_ELEMENT(properties_element))
9945     MapLevelEditorToolboxCustomGadgets();
9946
9947   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9948   ClearField();
9949
9950   DrawText(sx, sy, text, font2_nr);
9951
9952   FrameCounter = 0;     /* restart animation frame counter */
9953
9954   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9955   DrawEditorElementAnimation(SX + x1, SY + y1);
9956   DrawEditorElementName(x2, y2, font_nr);
9957
9958   DrawPropertiesTabulatorGadgets();
9959
9960   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9961     DrawPropertiesInfo();
9962   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9963     DrawPropertiesChange();
9964   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9965     DrawPropertiesConfig();
9966 }
9967
9968 static void DrawPaletteWindow()
9969 {
9970   int i;
9971
9972   UnmapLevelEditorFieldGadgets();
9973
9974   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9975   ClearField();
9976
9977   /* map buttons to select elements */
9978   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9979     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9980   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9981   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9982   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9983 }
9984
9985 static void UpdateCustomElementGraphicGadgets()
9986 {
9987   int i;
9988
9989   InitElementPropertiesGfxElement();
9990
9991   ModifyEditorElementList();
9992   RedrawDrawingElements();
9993
9994   /* force redraw of all mapped drawing area gadgets */
9995   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9996   {
9997     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9998
9999     if (gi->mapped)
10000       MapDrawingArea(i);
10001   }
10002 }
10003
10004 static int getOpenDirectionFromTube(int element)
10005 {
10006   switch (element)
10007   {
10008     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10009     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10010     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10011     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10012     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10013     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10014     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10015     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10016     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10017     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10018     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10019   }
10020
10021   return MV_NONE;
10022 }
10023
10024 static int getTubeFromOpenDirection(int direction)
10025 {
10026   switch (direction)
10027   {
10028     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10029     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10030     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10031     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10032     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10033     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10034     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10035     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10036     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10037     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10038     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10039
10040     /* if only one direction, fall back to simple tube with that direction */
10041     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10042     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10043     case (MV_UP):                       return EL_TUBE_VERTICAL;
10044     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10045   }
10046
10047   return EL_EMPTY;
10048 }
10049
10050 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10051 {
10052   int element_new = getTubeFromOpenDirection(direction);
10053
10054   return (element_new != EL_EMPTY ? element_new : element_old);
10055 }
10056
10057 static int getOpenDirectionFromBelt(int element)
10058 {
10059   int belt_dir = getBeltDirFromBeltElement(element);
10060
10061   return (belt_dir == MV_LEFT ? MV_RIGHT :
10062           belt_dir == MV_RIGHT ? MV_LEFT :
10063           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10064 }
10065
10066 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10067 {
10068   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10069                   direction == MV_RIGHT ? MV_LEFT :
10070                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10071
10072   if (direction == MV_NONE)
10073     return EL_EMPTY;
10074
10075   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10076 }
10077
10078 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10079                                                  int element_old)
10080 {
10081   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10082
10083   return (element_new != EL_EMPTY ? element_new : element_old);
10084 }
10085
10086 static int getOpenDirectionFromPool(int element)
10087 {
10088   switch (element)
10089   {
10090     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10091     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10092     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10093     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10094     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10095     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10096   }
10097
10098   return MV_NONE;
10099 }
10100
10101 static int getPoolFromOpenDirection(int direction)
10102 {
10103   switch (direction)
10104   {
10105     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10106     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10107     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10108     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10109     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10110     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10111   }
10112
10113   return EL_EMPTY;
10114 }
10115
10116 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10117 {
10118   int element = getPoolFromOpenDirection(direction);
10119   int help_direction = getOpenDirectionFromPool(help_element);
10120
10121   if (element == EL_EMPTY)
10122   {
10123     int help_direction_vertical = help_direction & MV_VERTICAL;
10124
10125     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10126   }
10127
10128   if (element == EL_EMPTY)
10129   {
10130     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10131
10132     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10133   }
10134
10135   return element;
10136 }
10137
10138 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10139 {
10140   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10141
10142   return (element_new != EL_EMPTY ? element_new : element_old);
10143 }
10144
10145 static int getOpenDirectionFromPillar(int element)
10146 {
10147   switch (element)
10148   {
10149     case EL_EMC_WALL_1:                 return (MV_DOWN);
10150     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10151     case EL_EMC_WALL_3:                 return (MV_UP);
10152   }
10153
10154   return MV_NONE;
10155 }
10156
10157 static int getPillarFromOpenDirection(int direction)
10158 {
10159   switch (direction)
10160   {
10161     case (MV_DOWN):                     return EL_EMC_WALL_1;
10162     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10163     case (MV_UP):                       return EL_EMC_WALL_3;
10164   }
10165
10166   return EL_EMPTY;
10167 }
10168
10169 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10170 {
10171   int element_new = getPillarFromOpenDirection(direction);
10172
10173   return (element_new != EL_EMPTY ? element_new : element_old);
10174 }
10175
10176 static int getOpenDirectionFromSteel2(int element)
10177 {
10178   switch (element)
10179   {
10180     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10181     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10182     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10183     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10184     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10185     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10186     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10187     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10188   }
10189
10190   return MV_NONE;
10191 }
10192
10193 static int getSteel2FromOpenDirection(int direction)
10194 {
10195   switch (direction)
10196   {
10197     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10198     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10199     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10200     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10201     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10202     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10203     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10204     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10205   }
10206
10207   return EL_EMPTY;
10208 }
10209
10210 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10211 {
10212   int element_new = getSteel2FromOpenDirection(direction);
10213
10214   return (element_new != EL_EMPTY ? element_new : element_old);
10215 }
10216
10217 static int getOpenDirectionFromChip(int element)
10218 {
10219   switch (element)
10220   {
10221     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10222     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10223     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10224     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10225     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10226   }
10227
10228   return MV_NONE;
10229 }
10230
10231 static int getChipFromOpenDirection(int direction)
10232 {
10233   switch (direction)
10234   {
10235     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10236     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10237     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10238     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10239     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10240   }
10241
10242   return EL_EMPTY;
10243 }
10244
10245 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10246 {
10247   int element_new = getChipFromOpenDirection(direction);
10248
10249   return (element_new != EL_EMPTY ? element_new : element_old);
10250 }
10251
10252 static int getClosedTube(int x, int y)
10253 {
10254   static int xy[4][2] =
10255   {
10256     { -1, 0 },
10257     { +1, 0 },
10258     { 0, -1 },
10259     { 0, +1 }
10260   };
10261   int element_old = IntelliDrawBuffer[x][y];
10262   int direction_old = getOpenDirectionFromTube(element_old);
10263   int direction_new = MV_NONE;
10264   int i;
10265
10266   for (i = 0; i < NUM_DIRECTIONS; i++)
10267   {
10268     int xx = x + xy[i][0];
10269     int yy = y + xy[i][1];
10270     int dir = MV_DIR_FROM_BIT(i);
10271     int dir_opposite = MV_DIR_OPPOSITE(dir);
10272
10273     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10274         (direction_old & dir) &&
10275         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10276       direction_new |= dir;
10277   }
10278
10279   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10280 }
10281
10282 static int getClosedBelt(int x, int y)
10283 {
10284   static int xy[4][2] =
10285   {
10286     { -1, 0 },
10287     { +1, 0 },
10288     { 0, -1 },
10289     { 0, +1 }
10290   };
10291   int element_old = IntelliDrawBuffer[x][y];
10292   int nr = getBeltNrFromBeltElement(element_old);
10293   int direction_old = getOpenDirectionFromBelt(element_old);
10294   int direction_new = MV_NONE;
10295   int i;
10296
10297   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10298   {
10299     int xx = x + xy[i][0];
10300     int yy = y + xy[i][1];
10301     int dir = MV_DIR_FROM_BIT(i);
10302     int dir_opposite = MV_DIR_OPPOSITE(dir);
10303
10304     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10305         (direction_old & dir) &&
10306         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10307       direction_new |= dir;
10308   }
10309
10310   return getBeltFromNrAndOpenDirection(nr, direction_new);
10311 }
10312
10313 static int getClosedPool(int x, int y)
10314 {
10315   static int xy[4][2] =
10316   {
10317     { -1, 0 },
10318     { +1, 0 },
10319     { 0, -1 },
10320     { 0, +1 }
10321   };
10322   int element_old = IntelliDrawBuffer[x][y];
10323   int direction_old = getOpenDirectionFromPool(element_old);
10324   int direction_new = MV_NONE;
10325   int i;
10326
10327   for (i = 0; i < NUM_DIRECTIONS; i++)
10328   {
10329     int xx = x + xy[i][0];
10330     int yy = y + xy[i][1];
10331     int dir = MV_DIR_FROM_BIT(i);
10332     int dir_opposite = MV_DIR_OPPOSITE(dir);
10333
10334     if (IN_LEV_FIELD(xx, yy) &&
10335         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10336         (direction_old & dir) &&
10337         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10338       direction_new |= dir;
10339   }
10340
10341   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10342 }
10343
10344 static int getClosedPillar(int x, int y)
10345 {
10346   static int xy[4][2] =
10347   {
10348     { -1, 0 },
10349     { +1, 0 },
10350     { 0, -1 },
10351     { 0, +1 }
10352   };
10353   int element_old = IntelliDrawBuffer[x][y];
10354   int direction_old = getOpenDirectionFromPillar(element_old);
10355   int direction_new = MV_NONE;
10356   int i;
10357
10358   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10359   {
10360     int xx = x + xy[i][0];
10361     int yy = y + xy[i][1];
10362     int dir = MV_DIR_FROM_BIT(i);
10363     int dir_opposite = MV_DIR_OPPOSITE(dir);
10364
10365     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10366         (direction_old & dir) &&
10367         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10368       direction_new |= dir;
10369   }
10370
10371   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10372 }
10373
10374 static int getClosedSteel2(int x, int y)
10375 {
10376   static int xy[4][2] =
10377   {
10378     { -1, 0 },
10379     { +1, 0 },
10380     { 0, -1 },
10381     { 0, +1 }
10382   };
10383   int element_old = IntelliDrawBuffer[x][y];
10384   int direction_old = getOpenDirectionFromSteel2(element_old);
10385   int direction_new = MV_NONE;
10386   int i;
10387
10388   for (i = 0; i < NUM_DIRECTIONS; i++)
10389   {
10390     int xx = x + xy[i][0];
10391     int yy = y + xy[i][1];
10392     int dir = MV_DIR_FROM_BIT(i);
10393     int dir_opposite = MV_DIR_OPPOSITE(dir);
10394
10395     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10396         (direction_old & dir) &&
10397         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10398       direction_new |= dir;
10399   }
10400
10401   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10402 }
10403
10404 static int getClosedChip(int x, int y)
10405 {
10406   static int xy[4][2] =
10407   {
10408     { -1, 0 },
10409     { +1, 0 },
10410     { 0, -1 },
10411     { 0, +1 }
10412   };
10413   int element_old = IntelliDrawBuffer[x][y];
10414   int direction_old = getOpenDirectionFromChip(element_old);
10415   int direction_new = MV_NONE;
10416   int i;
10417
10418   for (i = 0; i < NUM_DIRECTIONS; i++)
10419   {
10420     int xx = x + xy[i][0];
10421     int yy = y + xy[i][1];
10422     int dir = MV_DIR_FROM_BIT(i);
10423     int dir_opposite = MV_DIR_OPPOSITE(dir);
10424
10425     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10426         (direction_old & dir) &&
10427         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10428       direction_new |= dir;
10429   }
10430
10431   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10432 }
10433
10434 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10435                                 boolean change_level)
10436 {
10437   int sx = x - level_xpos;
10438   int sy = y - level_ypos;
10439   int old_element = Feld[x][y];
10440   int new_element = element;
10441   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10442   boolean draw_masked = FALSE;
10443
10444   if (IS_MM_WALL_EDITOR(element))
10445   {
10446     element = map_mm_wall_element_editor(element) | new_bitmask;
10447
10448     if (IS_MM_WALL(old_element))
10449       element |= MM_WALL_BITS(old_element);
10450
10451     if (!change_level)
10452       draw_masked = TRUE;
10453   }
10454   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10455   {
10456     int element_changed = old_element & ~new_bitmask;
10457
10458     if (MM_WALL_BITS(element_changed) != 0)
10459       element = element_changed;
10460   }
10461
10462   IntelliDrawBuffer[x][y] = element;
10463
10464   if (change_level)
10465     Feld[x][y] = element;
10466
10467   if (IN_ED_FIELD(sx, sy))
10468   {
10469     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10470       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10471     else if (draw_masked)
10472       DrawEditorElementThruMask(sx, sy, element);
10473     else
10474       DrawEditorElement(sx, sy, element);
10475   }
10476 }
10477
10478 static void SetElementSimple(int x, int y, int element, boolean change_level)
10479 {
10480   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10481 }
10482
10483 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10484                                            int x2, int y2, int *element2,
10485                                            int (*close_function)(int, int),
10486                                            boolean change_level)
10487 {
10488   /* set neighbour elements to newly determined connections */
10489   SetElementSimple(x1, y1, *element1, change_level);
10490   SetElementSimple(x2, y2, *element2, change_level);
10491
10492   /* remove all open connections of neighbour elements */
10493   *element1 = close_function(x1, y1);
10494   *element2 = close_function(x2, y2);
10495
10496   /* set neighbour elements to new, minimized connections */
10497   SetElementSimple(x1, y1, *element1, change_level);
10498   SetElementSimple(x2, y2, *element2, change_level);
10499 }
10500
10501 static void SetElementIntelliDraw(int x, int y, int new_element,
10502                                   boolean change_level, int button)
10503 {
10504   static int xy[4][2] =
10505   {
10506     { -1, 0 },
10507     { +1, 0 },
10508     { 0, -1 },
10509     { 0, +1 }
10510   };
10511   static int last_x = -1;
10512   static int last_y = -1;
10513   int old_element = IntelliDrawBuffer[x][y];
10514
10515   if (new_element == EL_UNDEFINED)
10516   {
10517     last_x = -1;
10518     last_y = -1;
10519
10520     return;
10521   }
10522
10523   if (IS_TUBE(new_element))
10524   {
10525     int last_element_new = EL_UNDEFINED;
10526     int direction = MV_NONE;
10527     int i;
10528
10529     /* if old element is of same kind, keep all existing directions */
10530     if (IS_TUBE(old_element))
10531       direction |= getOpenDirectionFromTube(old_element);
10532
10533     for (i = 0; i < NUM_DIRECTIONS; i++)
10534     {
10535       int xx = x + xy[i][0];
10536       int yy = y + xy[i][1];
10537
10538       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10539           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10540       {
10541         int dir = MV_DIR_FROM_BIT(i);
10542         int dir_opposite = MV_DIR_OPPOSITE(dir);
10543         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10544         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10545         int last_direction_new = last_direction_old | dir_opposite;
10546
10547         last_element_new = getTubeFromOpenDirection(last_direction_new);
10548
10549         direction |= dir;
10550       }
10551     }
10552
10553     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10554
10555     if (last_element_new != EL_UNDEFINED)
10556       MergeAndCloseNeighbourElements(x, y, &new_element,
10557                                      last_x, last_y, &last_element_new,
10558                                      getClosedTube, change_level);
10559   }
10560   else if (IS_BELT(new_element))
10561   {
10562     int belt_nr = getBeltNrFromBeltElement(new_element);
10563     int last_element_new = EL_UNDEFINED;
10564     int direction = MV_NONE;
10565     int i;
10566
10567     /* if old element is of same kind, keep all existing directions */
10568     if (IS_BELT(old_element))
10569       direction |= getOpenDirectionFromBelt(old_element);
10570
10571     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10572     {
10573       int xx = x + xy[i][0];
10574       int yy = y + xy[i][1];
10575
10576       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10577           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10578       {
10579         int dir = MV_DIR_FROM_BIT(i);
10580         int dir_opposite = MV_DIR_OPPOSITE(dir);
10581         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10582         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10583         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10584         int last_direction_new = last_direction_old | dir_opposite;
10585
10586         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10587                                                          last_direction_new);
10588         direction |= dir;
10589       }
10590     }
10591
10592     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10593                                                         new_element);
10594     if (last_element_new != EL_UNDEFINED)
10595       MergeAndCloseNeighbourElements(x, y, &new_element,
10596                                      last_x, last_y, &last_element_new,
10597                                      getClosedBelt, change_level);
10598   }
10599   else if (IS_ACID_POOL_OR_ACID(new_element))
10600   {
10601     int last_element_new = EL_UNDEFINED;
10602     int direction = MV_NONE;
10603     int i;
10604
10605     /* if old element is of same kind, keep all existing directions */
10606     if (IS_ACID_POOL_OR_ACID(old_element))
10607       direction |= getOpenDirectionFromPool(old_element);
10608
10609     for (i = 0; i < NUM_DIRECTIONS; i++)
10610     {
10611       int xx = x + xy[i][0];
10612       int yy = y + xy[i][1];
10613
10614       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10615           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10616       {
10617         int dir = MV_DIR_FROM_BIT(i);
10618         int dir_opposite = MV_DIR_OPPOSITE(dir);
10619         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10620         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10621         int last_direction_new = last_direction_old | dir_opposite;
10622
10623         last_element_new = getPoolFromOpenDirection(last_direction_new);
10624
10625         direction |= dir;
10626       }
10627     }
10628
10629     /* special corrections needed for intuitively correct acid pool drawing */
10630     if (last_element_new == EL_EMPTY)
10631       last_element_new = new_element;
10632     else if (last_element_new != EL_UNDEFINED)
10633       new_element = last_element_new;
10634
10635     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10636
10637     if (last_element_new != EL_UNDEFINED)
10638       MergeAndCloseNeighbourElements(x, y, &new_element,
10639                                      last_x, last_y, &last_element_new,
10640                                      getClosedPool, change_level);
10641   }
10642   else if (IS_EMC_PILLAR(new_element))
10643   {
10644     int last_element_new = EL_UNDEFINED;
10645     int direction = MV_NONE;
10646     int i;
10647
10648     /* if old element is of same kind, keep all existing directions */
10649     if (IS_EMC_PILLAR(old_element))
10650       direction |= getOpenDirectionFromPillar(old_element);
10651
10652     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10653     {
10654       int xx = x + xy[i][0];
10655       int yy = y + xy[i][1];
10656
10657       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10658           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10659       {
10660         int dir = MV_DIR_FROM_BIT(i);
10661         int dir_opposite = MV_DIR_OPPOSITE(dir);
10662         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10663         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10664         int last_direction_new = last_direction_old | dir_opposite;
10665
10666         last_element_new = getPillarFromOpenDirection(last_direction_new);
10667
10668         direction |= dir;
10669       }
10670     }
10671
10672     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10673
10674     if (last_element_new != EL_UNDEFINED)
10675       MergeAndCloseNeighbourElements(x, y, &new_element,
10676                                      last_x, last_y, &last_element_new,
10677                                      getClosedPillar, change_level);
10678   }
10679   else if (IS_DC_STEELWALL_2(new_element))
10680   {
10681     int last_element_new = EL_UNDEFINED;
10682     int direction = MV_NONE;
10683     int i;
10684
10685     /* if old element is of same kind, keep all existing directions */
10686     if (IS_DC_STEELWALL_2(old_element))
10687       direction |= getOpenDirectionFromSteel2(old_element);
10688
10689     for (i = 0; i < NUM_DIRECTIONS; i++)
10690     {
10691       int xx = x + xy[i][0];
10692       int yy = y + xy[i][1];
10693
10694       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10695           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10696       {
10697         int dir = MV_DIR_FROM_BIT(i);
10698         int dir_opposite = MV_DIR_OPPOSITE(dir);
10699         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10700         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10701         int last_direction_new = last_direction_old | dir_opposite;
10702
10703         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10704
10705         direction |= dir;
10706       }
10707     }
10708
10709     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10710
10711     if (last_element_new != EL_UNDEFINED)
10712       MergeAndCloseNeighbourElements(x, y, &new_element,
10713                                      last_x, last_y, &last_element_new,
10714                                      getClosedSteel2, change_level);
10715   }
10716   else if (IS_SP_CHIP(new_element))
10717   {
10718     int last_element_new = EL_UNDEFINED;
10719     int direction = MV_NONE;
10720     int i;
10721
10722     /* (do not keep existing directions, regardless of kind of old element) */
10723
10724     for (i = 0; i < NUM_DIRECTIONS; i++)
10725     {
10726       int xx = x + xy[i][0];
10727       int yy = y + xy[i][1];
10728
10729       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10730           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10731       {
10732         int dir = MV_DIR_FROM_BIT(i);
10733         int dir_opposite = MV_DIR_OPPOSITE(dir);
10734         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10735         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10736         int last_direction_new = last_direction_old | dir_opposite;
10737
10738         if (last_direction_old == MV_NONE)
10739         {
10740           last_element_new = getChipFromOpenDirection(last_direction_new);
10741           direction |= dir;
10742         }
10743         else if (last_direction_old & (dir | dir_opposite))
10744         {
10745           direction |= MV_DIR_OPPOSITE(last_direction_old);
10746         }
10747         else
10748         {
10749           direction |= MV_DIR_OPPOSITE(dir);
10750         }
10751       }
10752     }
10753
10754     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10755
10756     if (last_element_new != EL_UNDEFINED)
10757       MergeAndCloseNeighbourElements(x, y, &new_element,
10758                                      last_x, last_y, &last_element_new,
10759                                      getClosedChip, change_level);
10760   }
10761   else if (IS_SP_HARDWARE_BASE(new_element))
10762   {
10763     int nr = GetSimpleRandom(6);
10764
10765     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10766                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10767                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10768                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10769                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10770   }
10771   else if (new_element == EL_SP_HARDWARE_GREEN ||
10772            new_element == EL_SP_HARDWARE_BLUE ||
10773            new_element == EL_SP_HARDWARE_RED)
10774   {
10775     int nr = GetSimpleRandom(3);
10776
10777     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10778                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10779   }
10780   else if (IS_GROUP_ELEMENT(new_element))
10781   {
10782     boolean connected_drawing = FALSE;
10783     int i;
10784
10785     for (i = 0; i < NUM_DIRECTIONS; i++)
10786     {
10787       int xx = x + xy[i][0];
10788       int yy = y + xy[i][1];
10789
10790       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10791           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10792         connected_drawing = TRUE;
10793     }
10794
10795     if (!connected_drawing)
10796       ResolveGroupElement(new_element);
10797
10798     new_element = GetElementFromGroupElement(new_element);
10799   }
10800   else if (IS_BELT_SWITCH(old_element))
10801   {
10802     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10803     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10804
10805     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10806                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10807
10808     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10809   }
10810   else
10811   {
10812     static int swappable_elements[][2] =
10813     {
10814       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10815       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10816       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10817       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10818       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10819       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10820       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10821       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10822       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10823       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10824       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10825       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10826       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10827       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10828       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10829       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10830       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10831       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10832       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10833       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10834       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10835       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10836       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10837       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10838       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10839       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10840       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10841       { EL_PEARL,                       EL_WALL_PEARL                   },
10842       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10843       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10844       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10845       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10846       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10847       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10848       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10849       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10850       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10851       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10852       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10853       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10854       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10855       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10856       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10857       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10858
10859       { -1,                             -1                              },
10860     };
10861     static int rotatable_elements_4[][4] =
10862     {
10863       {
10864         EL_BUG_UP,
10865         EL_BUG_RIGHT,
10866         EL_BUG_DOWN,
10867         EL_BUG_LEFT
10868       },
10869       {
10870         EL_SPACESHIP_UP,
10871         EL_SPACESHIP_RIGHT,
10872         EL_SPACESHIP_DOWN,
10873         EL_SPACESHIP_LEFT
10874       },
10875       {
10876         EL_BD_BUTTERFLY_UP,
10877         EL_BD_BUTTERFLY_RIGHT,
10878         EL_BD_BUTTERFLY_DOWN,
10879         EL_BD_BUTTERFLY_LEFT
10880       },
10881       {
10882         EL_BD_FIREFLY_UP,
10883         EL_BD_FIREFLY_RIGHT,
10884         EL_BD_FIREFLY_DOWN,
10885         EL_BD_FIREFLY_LEFT
10886       },
10887       {
10888         EL_PACMAN_UP,
10889         EL_PACMAN_RIGHT,
10890         EL_PACMAN_DOWN,
10891         EL_PACMAN_LEFT
10892       },
10893       {
10894         EL_YAMYAM_UP,
10895         EL_YAMYAM_RIGHT,
10896         EL_YAMYAM_DOWN,
10897         EL_YAMYAM_LEFT
10898       },
10899       {
10900         EL_ARROW_UP,
10901         EL_ARROW_RIGHT,
10902         EL_ARROW_DOWN,
10903         EL_ARROW_LEFT
10904       },
10905       {
10906         EL_SP_PORT_UP,
10907         EL_SP_PORT_RIGHT,
10908         EL_SP_PORT_DOWN,
10909         EL_SP_PORT_LEFT
10910       },
10911       {
10912         EL_SP_GRAVITY_PORT_UP,
10913         EL_SP_GRAVITY_PORT_RIGHT,
10914         EL_SP_GRAVITY_PORT_DOWN,
10915         EL_SP_GRAVITY_PORT_LEFT
10916       },
10917       {
10918         EL_SP_GRAVITY_ON_PORT_UP,
10919         EL_SP_GRAVITY_ON_PORT_RIGHT,
10920         EL_SP_GRAVITY_ON_PORT_DOWN,
10921         EL_SP_GRAVITY_ON_PORT_LEFT
10922       },
10923       {
10924         EL_SP_GRAVITY_OFF_PORT_UP,
10925         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10926         EL_SP_GRAVITY_OFF_PORT_DOWN,
10927         EL_SP_GRAVITY_OFF_PORT_LEFT
10928       },
10929       {
10930         EL_MOLE_UP,
10931         EL_MOLE_RIGHT,
10932         EL_MOLE_DOWN,
10933         EL_MOLE_LEFT
10934       },
10935       {
10936         EL_BALLOON_SWITCH_UP,
10937         EL_BALLOON_SWITCH_RIGHT,
10938         EL_BALLOON_SWITCH_DOWN,
10939         EL_BALLOON_SWITCH_LEFT
10940       },
10941       {
10942         EL_MM_MCDUFFIN_UP,
10943         EL_MM_MCDUFFIN_RIGHT,
10944         EL_MM_MCDUFFIN_DOWN,
10945         EL_MM_MCDUFFIN_LEFT
10946       },
10947       {
10948         EL_MM_MIRROR_FIXED_1,
10949         EL_MM_MIRROR_FIXED_4,
10950         EL_MM_MIRROR_FIXED_3,
10951         EL_MM_MIRROR_FIXED_2
10952       },
10953       {
10954         EL_MM_STEEL_GRID_FIXED_1,
10955         EL_MM_STEEL_GRID_FIXED_4,
10956         EL_MM_STEEL_GRID_FIXED_2,
10957         EL_MM_STEEL_GRID_FIXED_3
10958       },
10959       {
10960         EL_MM_WOODEN_GRID_FIXED_1,
10961         EL_MM_WOODEN_GRID_FIXED_4,
10962         EL_MM_WOODEN_GRID_FIXED_2,
10963         EL_MM_WOODEN_GRID_FIXED_3
10964       },
10965       {
10966         EL_MM_POLARISATOR_CROSS_1,
10967         EL_MM_POLARISATOR_CROSS_4,
10968         EL_MM_POLARISATOR_CROSS_3,
10969         EL_MM_POLARISATOR_CROSS_2
10970       },
10971       {
10972         EL_MM_PACMAN_UP,
10973         EL_MM_PACMAN_RIGHT,
10974         EL_MM_PACMAN_DOWN,
10975         EL_MM_PACMAN_LEFT
10976       },
10977       {
10978         EL_DF_LASER_UP,
10979         EL_DF_LASER_RIGHT,
10980         EL_DF_LASER_DOWN,
10981         EL_DF_LASER_LEFT
10982       },
10983       {
10984         EL_DF_RECEIVER_UP,
10985         EL_DF_RECEIVER_RIGHT,
10986         EL_DF_RECEIVER_DOWN,
10987         EL_DF_RECEIVER_LEFT
10988       },
10989
10990       {
10991         -1,
10992       },
10993     };
10994     static int rotatable_elements_8[][8] =
10995     {
10996       {
10997         EL_DF_STEEL_GRID_FIXED_1,
10998         EL_DF_STEEL_GRID_FIXED_8,
10999         EL_DF_STEEL_GRID_FIXED_7,
11000         EL_DF_STEEL_GRID_FIXED_6,
11001         EL_DF_STEEL_GRID_FIXED_5,
11002         EL_DF_STEEL_GRID_FIXED_4,
11003         EL_DF_STEEL_GRID_FIXED_3,
11004         EL_DF_STEEL_GRID_FIXED_2
11005       },
11006       {
11007         EL_DF_WOODEN_GRID_FIXED_1,
11008         EL_DF_WOODEN_GRID_FIXED_8,
11009         EL_DF_WOODEN_GRID_FIXED_7,
11010         EL_DF_WOODEN_GRID_FIXED_6,
11011         EL_DF_WOODEN_GRID_FIXED_5,
11012         EL_DF_WOODEN_GRID_FIXED_4,
11013         EL_DF_WOODEN_GRID_FIXED_3,
11014         EL_DF_WOODEN_GRID_FIXED_2
11015       },
11016       {
11017         EL_DF_STEEL_GRID_ROTATING_1,
11018         EL_DF_STEEL_GRID_ROTATING_8,
11019         EL_DF_STEEL_GRID_ROTATING_7,
11020         EL_DF_STEEL_GRID_ROTATING_6,
11021         EL_DF_STEEL_GRID_ROTATING_5,
11022         EL_DF_STEEL_GRID_ROTATING_4,
11023         EL_DF_STEEL_GRID_ROTATING_3,
11024         EL_DF_STEEL_GRID_ROTATING_2
11025       },
11026       {
11027         EL_DF_WOODEN_GRID_ROTATING_1,
11028         EL_DF_WOODEN_GRID_ROTATING_8,
11029         EL_DF_WOODEN_GRID_ROTATING_7,
11030         EL_DF_WOODEN_GRID_ROTATING_6,
11031         EL_DF_WOODEN_GRID_ROTATING_5,
11032         EL_DF_WOODEN_GRID_ROTATING_4,
11033         EL_DF_WOODEN_GRID_ROTATING_3,
11034         EL_DF_WOODEN_GRID_ROTATING_2
11035       },
11036
11037       {
11038         -1,
11039       },
11040     };
11041     static int rotatable_elements_16[][16] =
11042     {
11043       {
11044         EL_MM_MIRROR_1,
11045         EL_MM_MIRROR_16,
11046         EL_MM_MIRROR_15,
11047         EL_MM_MIRROR_14,
11048         EL_MM_MIRROR_13,
11049         EL_MM_MIRROR_12,
11050         EL_MM_MIRROR_11,
11051         EL_MM_MIRROR_10,
11052         EL_MM_MIRROR_9,
11053         EL_MM_MIRROR_8,
11054         EL_MM_MIRROR_7,
11055         EL_MM_MIRROR_6,
11056         EL_MM_MIRROR_5,
11057         EL_MM_MIRROR_4,
11058         EL_MM_MIRROR_3,
11059         EL_MM_MIRROR_2
11060       },
11061       {
11062         EL_MM_BEAMER_5,
11063         EL_MM_BEAMER_4,
11064         EL_MM_BEAMER_3,
11065         EL_MM_BEAMER_2,
11066         EL_MM_BEAMER_1,
11067         EL_MM_BEAMER_16,
11068         EL_MM_BEAMER_15,
11069         EL_MM_BEAMER_14,
11070         EL_MM_BEAMER_13,
11071         EL_MM_BEAMER_12,
11072         EL_MM_BEAMER_11,
11073         EL_MM_BEAMER_10,
11074         EL_MM_BEAMER_9,
11075         EL_MM_BEAMER_8,
11076         EL_MM_BEAMER_7,
11077         EL_MM_BEAMER_6
11078       },
11079       {
11080         EL_MM_BEAMER_RED_5,
11081         EL_MM_BEAMER_RED_4,
11082         EL_MM_BEAMER_RED_3,
11083         EL_MM_BEAMER_RED_2,
11084         EL_MM_BEAMER_RED_1,
11085         EL_MM_BEAMER_RED_16,
11086         EL_MM_BEAMER_RED_15,
11087         EL_MM_BEAMER_RED_14,
11088         EL_MM_BEAMER_RED_13,
11089         EL_MM_BEAMER_RED_12,
11090         EL_MM_BEAMER_RED_11,
11091         EL_MM_BEAMER_RED_10,
11092         EL_MM_BEAMER_RED_9,
11093         EL_MM_BEAMER_RED_8,
11094         EL_MM_BEAMER_RED_7,
11095         EL_MM_BEAMER_RED_6
11096       },
11097       {
11098         EL_MM_BEAMER_YELLOW_5,
11099         EL_MM_BEAMER_YELLOW_4,
11100         EL_MM_BEAMER_YELLOW_3,
11101         EL_MM_BEAMER_YELLOW_2,
11102         EL_MM_BEAMER_YELLOW_1,
11103         EL_MM_BEAMER_YELLOW_16,
11104         EL_MM_BEAMER_YELLOW_15,
11105         EL_MM_BEAMER_YELLOW_14,
11106         EL_MM_BEAMER_YELLOW_13,
11107         EL_MM_BEAMER_YELLOW_12,
11108         EL_MM_BEAMER_YELLOW_11,
11109         EL_MM_BEAMER_YELLOW_10,
11110         EL_MM_BEAMER_YELLOW_9,
11111         EL_MM_BEAMER_YELLOW_8,
11112         EL_MM_BEAMER_YELLOW_7,
11113         EL_MM_BEAMER_YELLOW_6
11114       },
11115       {
11116         EL_MM_BEAMER_GREEN_5,
11117         EL_MM_BEAMER_GREEN_4,
11118         EL_MM_BEAMER_GREEN_3,
11119         EL_MM_BEAMER_GREEN_2,
11120         EL_MM_BEAMER_GREEN_1,
11121         EL_MM_BEAMER_GREEN_16,
11122         EL_MM_BEAMER_GREEN_15,
11123         EL_MM_BEAMER_GREEN_14,
11124         EL_MM_BEAMER_GREEN_13,
11125         EL_MM_BEAMER_GREEN_12,
11126         EL_MM_BEAMER_GREEN_11,
11127         EL_MM_BEAMER_GREEN_10,
11128         EL_MM_BEAMER_GREEN_9,
11129         EL_MM_BEAMER_GREEN_8,
11130         EL_MM_BEAMER_GREEN_7,
11131         EL_MM_BEAMER_GREEN_6
11132       },
11133       {
11134         EL_MM_BEAMER_BLUE_5,
11135         EL_MM_BEAMER_BLUE_4,
11136         EL_MM_BEAMER_BLUE_3,
11137         EL_MM_BEAMER_BLUE_2,
11138         EL_MM_BEAMER_BLUE_1,
11139         EL_MM_BEAMER_BLUE_16,
11140         EL_MM_BEAMER_BLUE_15,
11141         EL_MM_BEAMER_BLUE_14,
11142         EL_MM_BEAMER_BLUE_13,
11143         EL_MM_BEAMER_BLUE_12,
11144         EL_MM_BEAMER_BLUE_11,
11145         EL_MM_BEAMER_BLUE_10,
11146         EL_MM_BEAMER_BLUE_9,
11147         EL_MM_BEAMER_BLUE_8,
11148         EL_MM_BEAMER_BLUE_7,
11149         EL_MM_BEAMER_BLUE_6
11150       },
11151       {
11152         EL_MM_POLARISATOR_1,
11153         EL_MM_POLARISATOR_16,
11154         EL_MM_POLARISATOR_15,
11155         EL_MM_POLARISATOR_14,
11156         EL_MM_POLARISATOR_13,
11157         EL_MM_POLARISATOR_12,
11158         EL_MM_POLARISATOR_11,
11159         EL_MM_POLARISATOR_10,
11160         EL_MM_POLARISATOR_9,
11161         EL_MM_POLARISATOR_8,
11162         EL_MM_POLARISATOR_7,
11163         EL_MM_POLARISATOR_6,
11164         EL_MM_POLARISATOR_5,
11165         EL_MM_POLARISATOR_4,
11166         EL_MM_POLARISATOR_3,
11167         EL_MM_POLARISATOR_2
11168       },
11169       {
11170         EL_DF_MIRROR_1,
11171         EL_DF_MIRROR_16,
11172         EL_DF_MIRROR_15,
11173         EL_DF_MIRROR_14,
11174         EL_DF_MIRROR_13,
11175         EL_DF_MIRROR_12,
11176         EL_DF_MIRROR_11,
11177         EL_DF_MIRROR_10,
11178         EL_DF_MIRROR_9,
11179         EL_DF_MIRROR_8,
11180         EL_DF_MIRROR_7,
11181         EL_DF_MIRROR_6,
11182         EL_DF_MIRROR_5,
11183         EL_DF_MIRROR_4,
11184         EL_DF_MIRROR_3,
11185         EL_DF_MIRROR_2
11186       },
11187       {
11188         EL_DF_MIRROR_ROTATING_1,
11189         EL_DF_MIRROR_ROTATING_16,
11190         EL_DF_MIRROR_ROTATING_15,
11191         EL_DF_MIRROR_ROTATING_14,
11192         EL_DF_MIRROR_ROTATING_13,
11193         EL_DF_MIRROR_ROTATING_12,
11194         EL_DF_MIRROR_ROTATING_11,
11195         EL_DF_MIRROR_ROTATING_10,
11196         EL_DF_MIRROR_ROTATING_9,
11197         EL_DF_MIRROR_ROTATING_8,
11198         EL_DF_MIRROR_ROTATING_7,
11199         EL_DF_MIRROR_ROTATING_6,
11200         EL_DF_MIRROR_ROTATING_5,
11201         EL_DF_MIRROR_ROTATING_4,
11202         EL_DF_MIRROR_ROTATING_3,
11203         EL_DF_MIRROR_ROTATING_2
11204       },
11205
11206       {
11207         -1,
11208       },
11209     };
11210     int i, j;
11211
11212     for (i = 0; swappable_elements[i][0] != -1; i++)
11213     {
11214       int element1 = swappable_elements[i][0];
11215       int element2 = swappable_elements[i][1];
11216
11217       if (old_element == element1 || old_element == element2)
11218         new_element = (old_element == element1 ? element2 : element1);
11219     }
11220
11221     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11222     {
11223       for (j = 0; j < 4; j++)
11224       {
11225         int element = rotatable_elements_4[i][j];
11226
11227         if (old_element == element)
11228           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11229                          button == 2 ? rotatable_elements_4[i][0]           :
11230                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11231                          old_element);
11232       }
11233     }
11234
11235     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11236     {
11237       for (j = 0; j < 8; j++)
11238       {
11239         int element = rotatable_elements_8[i][j];
11240
11241         if (old_element == element)
11242           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11243                          button == 2 ? rotatable_elements_8[i][0]           :
11244                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11245                          old_element);
11246       }
11247     }
11248
11249     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11250     {
11251       for (j = 0; j < 16; j++)
11252       {
11253         int element = rotatable_elements_16[i][j];
11254
11255         if (old_element == element)
11256           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11257                          button == 2 ? rotatable_elements_16[i][0]             :
11258                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11259                          old_element);
11260       }
11261     }
11262
11263     if (old_element != new_element)
11264     {
11265       int max_infotext_len = getMaxInfoTextLength();
11266       char infotext[MAX_OUTPUT_LINESIZE + 1];
11267
11268       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11269       infotext[max_infotext_len] = '\0';
11270
11271       ClearEditorGadgetInfoText();
11272
11273       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11274                 infotext);
11275     }
11276   }
11277
11278   SetElementSimple(x, y, new_element, change_level);
11279
11280   last_x = x;
11281   last_y = y;
11282 }
11283
11284 static void ResetIntelliDraw()
11285 {
11286   int x, y;
11287
11288   for (x = 0; x < lev_fieldx; x++)
11289     for (y = 0; y < lev_fieldy; y++)
11290       IntelliDrawBuffer[x][y] = Feld[x][y];
11291
11292   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11293 }
11294
11295 static boolean draw_mode_hires = FALSE;
11296
11297 static void SetDrawModeHiRes(int element)
11298 {
11299   draw_mode_hires =
11300     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11301      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11302 }
11303
11304 static boolean getDrawModeHiRes()
11305 {
11306   return draw_mode_hires;
11307 }
11308
11309 static int getLoResScreenPos(int pos)
11310 {
11311   return (getDrawModeHiRes() ? pos / 2 : pos);
11312 }
11313
11314 static int getLoResScreenMod(int pos)
11315 {
11316   return (getDrawModeHiRes() ? pos % 2 : 0);
11317 }
11318
11319 static void SetElementExt(int x, int y, int dx, int dy, int element,
11320                           boolean change_level, int button)
11321 {
11322   if (element < 0)
11323     SetElementSimple(x, y, Feld[x][y], change_level);
11324   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11325     SetElementIntelliDraw(x, y, element, change_level, button);
11326   else
11327     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11328 }
11329
11330 static void SetElement(int x, int y, int element)
11331 {
11332   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11333 }
11334
11335 static void SetElementButton(int x, int y, int dx, int dy, int element,
11336                              int button)
11337 {
11338   SetElementExt(x, y, dx, dy, element, TRUE, button);
11339 }
11340
11341 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11342 {
11343   int lx = getLoResScreenPos(sx2) + level_xpos;
11344   int ly = getLoResScreenPos(sy2) + level_ypos;
11345   int dx = getLoResScreenMod(sx2);
11346   int dy = getLoResScreenMod(sy2);
11347
11348   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11349 }
11350
11351 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11352 {
11353   int lx = lx2 / 2;
11354   int ly = ly2 / 2;
11355   int dx = lx2 % 2;
11356   int dy = ly2 % 2;
11357
11358   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11359 }
11360
11361 static int getLevelElementHiRes(int lx2, int ly2)
11362 {
11363   int lx = lx2 / 2;
11364   int ly = ly2 / 2;
11365   int dx = lx2 % 2;
11366   int dy = ly2 % 2;
11367   int element = Feld[lx][ly];
11368   unsigned int bitmask = (dx + 1) << (dy * 2);
11369
11370   if (IS_MM_WALL(element))
11371   {
11372     if (element & bitmask)
11373       return map_mm_wall_element(element);
11374     else
11375       return EL_EMPTY;
11376   }
11377
11378   return element;
11379 }
11380
11381 static void DrawLineElement(int x, int y, int element, boolean change_level)
11382 {
11383   SetElementHiRes(x, y, element, change_level);
11384 }
11385
11386 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11387                      int element, boolean change_level)
11388 {
11389   int xsize = ABS(to_x - from_x);
11390   int ysize = ABS(to_y - from_y);
11391   int dx = (to_x < from_x ? -1 : +1);
11392   int dy = (to_y < from_y ? -1 : +1);
11393   int i;
11394
11395   if (from_y == to_y)                   /* horizontal line */
11396   {
11397     for (i = 0; i <= xsize; i++)
11398       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11399   }
11400   else if (from_x == to_x)              /* vertical line */
11401   {
11402     for (i = 0; i <= ysize; i++)
11403       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11404   }
11405   else                                  /* diagonal line */
11406   {
11407     if (ysize < xsize)                  /* a < 1 */
11408     {
11409       float a = (float)ysize / (float)xsize;
11410
11411       for (i = 0; i <= xsize; i++)
11412       {
11413         int x = dx * i;
11414         int y = dy * (int)(a * i + 0.5);
11415
11416         DrawLineElement(from_x + x, from_y + y, element, change_level);
11417       }
11418     }
11419     else                                /* a >= 1 */
11420     {
11421       float a = (float)xsize / (float)ysize;
11422
11423       for (i = 0; i <= ysize; i++)
11424       {
11425         int x = dx * (int)(a * i + 0.5);
11426         int y = dy * i;
11427
11428         DrawLineElement(from_x + x, from_y + y, element, change_level);
11429       }
11430     }
11431   }
11432 }
11433
11434 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11435                     int element, boolean change_level)
11436 {
11437   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11438   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11439   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11440   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11441 }
11442
11443 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11444                           int element, boolean change_level)
11445 {
11446   int y;
11447
11448   if (from_y > to_y)
11449     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11450
11451   for (y = from_y; y <= to_y; y++)
11452     DrawLine(from_x, y, to_x, y, element, change_level);
11453 }
11454
11455 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11456                        int element, boolean change_level)
11457 {
11458   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11459   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11460   int len_x = ABS(to_x - from_x);
11461   int len_y = ABS(to_y - from_y);
11462   int radius, x, y;
11463
11464   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11465
11466   /* not optimal (some points get drawn twice) but simple,
11467      and fast enough for the few points we are drawing */
11468
11469   for (x = 0; x <= radius; x++)
11470   {
11471     int sx, sy, sx2, sy2, lx, ly;
11472
11473     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11474
11475     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11476     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11477     sx = getLoResScreenPos(sx2);
11478     sy = getLoResScreenPos(sy2);
11479     lx = sx + level_xpos;
11480     ly = sy + level_ypos;
11481
11482     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11483       DrawLineElement(sx2, sy2, element, change_level);
11484   }
11485
11486   for (y = 0; y <= radius; y++)
11487   {
11488     int sx, sy, sx2, sy2, lx, ly;
11489
11490     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11491
11492     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11493     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11494     sx = getLoResScreenPos(sx2);
11495     sy = getLoResScreenPos(sy2);
11496     lx = sx + level_xpos;
11497     ly = sy + level_ypos;
11498
11499     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11500       DrawLineElement(sx2, sy2, element, change_level);
11501   }
11502 }
11503
11504 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11505                     int element, boolean change_level)
11506 {
11507   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11508   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11509
11510   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11511 }
11512
11513 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11514
11515 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11516 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11517                        int element, boolean change_level)
11518 {
11519   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11520   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11521   int mirror_to_x2 = from_x - (to_x2 - from_x);
11522   int mirror_to_y2 = from_y - (to_y2 - from_y);
11523
11524   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11525   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11526   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11527   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11528 }
11529 #endif
11530
11531 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11532 {
11533   int from_sx, from_sy;
11534   int to_sx, to_sy;
11535
11536   if (from_x > to_x)
11537     swap_numbers(&from_x, &to_x);
11538
11539   if (from_y > to_y)
11540     swap_numbers(&from_y, &to_y);
11541
11542   from_sx = SX + from_x * ed_tilesize;
11543   from_sy = SY + from_y * ed_tilesize;
11544   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11545   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11546
11547   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11548   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11549   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11550   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11551
11552   if (from_x == to_x && from_y == to_y)
11553     MarkTileDirty(from_x/2, from_y/2);
11554   else
11555     redraw_mask |= REDRAW_FIELD;
11556 }
11557
11558 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11559                         int element, boolean change_level)
11560 {
11561   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11562 }
11563
11564 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11565                        int element, boolean change_level)
11566 {
11567   if (element == -1 || change_level)
11568     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11569   else
11570     DrawAreaBorder(from_x, from_y, to_x, to_y);
11571 }
11572
11573 /* values for CopyBrushExt() */
11574 #define CB_AREA_TO_BRUSH        0
11575 #define CB_BRUSH_TO_CURSOR      1
11576 #define CB_BRUSH_TO_LEVEL       2
11577 #define CB_DELETE_OLD_CURSOR    3
11578 #define CB_DUMP_BRUSH           4
11579 #define CB_DUMP_BRUSH_SMALL     5
11580
11581 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11582 {
11583   DrawLineElement(sx, sy, element, change_level);
11584 }
11585
11586 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11587                          int button, int mode)
11588 {
11589   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11590   static int brush_width, brush_height;
11591   static int last_cursor_x = -1, last_cursor_y = -1;
11592   static boolean delete_old_brush;
11593   int new_element = BUTTON_ELEMENT(button);
11594   int x, y;
11595
11596   if (mode == CB_DUMP_BRUSH ||
11597       mode == CB_DUMP_BRUSH_SMALL)
11598   {
11599     if (!draw_with_brush)
11600     {
11601       Error(ERR_WARN, "no brush selected");
11602
11603       return;
11604     }
11605
11606     for (y = 0; y < brush_height; y++)
11607     {
11608       for (x = 0; x < brush_width; x++)
11609       {
11610         int element = brush_buffer[x][y];
11611         int element_mapped = element;
11612
11613         if (IS_CUSTOM_ELEMENT(element))
11614           element_mapped = EL_CUSTOM_START;
11615         else if (IS_GROUP_ELEMENT(element))
11616           element_mapped = EL_GROUP_START;
11617         else if (element >= NUM_FILE_ELEMENTS)
11618           element_mapped = EL_UNKNOWN;
11619
11620         // dump brush as level sketch text for the R'n'D forum:
11621         // - large tiles: `xxx (0x60 ASCII)
11622         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11623         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11624       }
11625
11626       printf("\n");
11627     }
11628
11629     return;
11630   }
11631
11632   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11633     return;
11634
11635   if (mode == CB_AREA_TO_BRUSH)
11636   {
11637     int from_lx, from_ly;
11638
11639     if (from_x > to_x)
11640       swap_numbers(&from_x, &to_x);
11641
11642     if (from_y > to_y)
11643       swap_numbers(&from_y, &to_y);
11644
11645     brush_width = to_x - from_x + 1;
11646     brush_height = to_y - from_y + 1;
11647
11648     from_lx = from_x + level_xpos;
11649     from_ly = from_y + level_ypos;
11650
11651     for (y = 0; y < brush_height; y++)
11652     {
11653       for (x = 0; x < brush_width; x++)
11654       {
11655         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11656
11657         if (button != 1)
11658           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11659       }
11660     }
11661
11662     if (button != 1)
11663       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11664
11665     delete_old_brush = FALSE;
11666   }
11667   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11668            mode == CB_BRUSH_TO_LEVEL)
11669   {
11670     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11671     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11672     int cursor_from_x = cursor_x - brush_width / 2;
11673     int cursor_from_y = cursor_y - brush_height / 2;
11674     int border_from_x = cursor_x, border_from_y = cursor_y;
11675     int border_to_x = cursor_x, border_to_y = cursor_y;
11676
11677     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11678       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11679
11680     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11681         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11682     {
11683       delete_old_brush = FALSE;
11684       return;
11685     }
11686
11687     for (y = 0; y < brush_height; y++)
11688     {
11689       for (x = 0; x < brush_width; x++)
11690       {
11691         int sx = cursor_from_x + x;
11692         int sy = cursor_from_y + y;
11693         int lx = sx + level_xpos;
11694         int ly = sy + level_ypos;
11695         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11696         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11697                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11698                        brush_buffer[x][y] : new_element);
11699
11700         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11701         {
11702           if (sx < border_from_x)
11703             border_from_x = sx;
11704           else if (sx > border_to_x)
11705             border_to_x = sx;
11706           if (sy < border_from_y)
11707             border_from_y = sy;
11708           else if (sy > border_to_y)
11709             border_to_y = sy;
11710
11711           DrawBrushElement(sx, sy, element, change_level);
11712         }
11713       }
11714     }
11715
11716     if (mode != CB_DELETE_OLD_CURSOR)
11717       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11718
11719     last_cursor_x = cursor_x;
11720     last_cursor_y = cursor_y;
11721     delete_old_brush = TRUE;
11722   }
11723 }
11724
11725 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11726                             int button)
11727 {
11728   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11729 }
11730
11731 static void CopyBrushToLevel(int x, int y, int button)
11732 {
11733   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11734 }
11735
11736 static void CopyBrushToCursor(int x, int y)
11737 {
11738   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11739 }
11740
11741 static void DeleteBrushFromCursor()
11742 {
11743   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11744 }
11745
11746 void DumpBrush()
11747 {
11748   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11749 }
11750
11751 void DumpBrush_Small()
11752 {
11753   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11754 }
11755
11756 static void FloodFill(int from_x, int from_y, int fill_element)
11757 {
11758   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11759 }
11760
11761 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11762 {
11763   int from_x = from_sx2 + 2 * level_xpos;
11764   int from_y = from_sy2 + 2 * level_ypos;
11765   int max_fillx = lev_fieldx * 2;
11766   int max_filly = lev_fieldy * 2;
11767   short FillFeld[max_fillx][max_filly];
11768   int x, y;
11769
11770   for (x = 0; x < max_fillx; x++)
11771     for (y = 0; y < max_filly; y++)
11772       FillFeld[x][y] = getLevelElementHiRes(x, y);
11773
11774   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11775                     FillFeld, max_fillx, max_filly);
11776
11777   for (x = 0; x < max_fillx; x++)
11778     for (y = 0; y < max_filly; y++)
11779       if (FillFeld[x][y] == fill_element)
11780         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11781 }
11782
11783 /* values for DrawLevelText() modes */
11784 #define TEXT_INIT               0
11785 #define TEXT_SETCURSOR          1
11786 #define TEXT_WRITECHAR          2
11787 #define TEXT_BACKSPACE          3
11788 #define TEXT_NEWLINE            4
11789 #define TEXT_END                5
11790 #define TEXT_QUERY_TYPING       6
11791
11792 static int DrawLevelText(int sx, int sy, char letter, int mode)
11793 {
11794   static short delete_buffer[MAX_LEV_FIELDX];
11795   static int start_sx;
11796   static int last_sx, last_sy;
11797   static boolean typing = FALSE;
11798   int letter_element = EL_CHAR_ASCII0 + letter;
11799   int lx = 0, ly = 0;
11800
11801   /* map lower case letters to upper case and convert special characters */
11802   if (letter >= 'a' && letter <= 'z')
11803     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11804   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11805     letter_element = EL_CHAR_AUMLAUT;
11806   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11807     letter_element = EL_CHAR_OUMLAUT;
11808   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11809     letter_element = EL_CHAR_UUMLAUT;
11810   else if (letter == '^')
11811     letter_element = EL_CHAR_COPYRIGHT;
11812   else
11813     letter_element = EL_CHAR_ASCII0 + letter;
11814
11815   if (mode != TEXT_INIT)
11816   {
11817     if (!typing)
11818       return FALSE;
11819
11820     if (mode != TEXT_SETCURSOR)
11821     {
11822       sx = last_sx;
11823       sy = last_sy;
11824     }
11825
11826     lx = last_sx + level_xpos;
11827     ly = last_sy + level_ypos;
11828   }
11829
11830   switch (mode)
11831   {
11832     case TEXT_INIT:
11833       if (typing)
11834         DrawLevelText(0, 0, 0, TEXT_END);
11835
11836       typing = TRUE;
11837       start_sx = sx;
11838       last_sx = sx;
11839       last_sy = sy;
11840       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11841       break;
11842
11843     case TEXT_SETCURSOR:
11844       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11845       DrawAreaBorder(sx, sy, sx, sy);
11846       last_sx = sx;
11847       last_sy = sy;
11848       break;
11849
11850     case TEXT_WRITECHAR:
11851       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11852       {
11853         if (new_element1 >= EL_STEEL_CHAR_START &&
11854             new_element1 <= EL_STEEL_CHAR_END)
11855           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11856
11857         delete_buffer[sx - start_sx] = Feld[lx][ly];
11858         Feld[lx][ly] = letter_element;
11859
11860         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
11861           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
11862         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
11863           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11864         else
11865           DrawLevelText(0, 0, 0, TEXT_END);
11866
11867         level.changed = TRUE;
11868       }
11869       break;
11870
11871     case TEXT_BACKSPACE:
11872       if (sx > start_sx)
11873       {
11874         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
11875         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
11876         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
11877       }
11878       break;
11879
11880     case TEXT_NEWLINE:
11881       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
11882         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11883       else
11884         DrawLevelText(0, 0, 0, TEXT_END);
11885       break;
11886
11887     case TEXT_END:
11888       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11889       DrawEditorElement(sx, sy, Feld[lx][ly]);
11890       typing = FALSE;
11891       break;
11892
11893     case TEXT_QUERY_TYPING:
11894       break;
11895
11896     default:
11897       break;
11898   }
11899
11900   return typing;
11901 }
11902
11903 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
11904                           int element, boolean change_level)
11905 {
11906   int lx = sx + level_xpos;
11907   int ly = sy + level_ypos;
11908
11909   if (element == -1)
11910     DrawEditorElement(sx, sy, Feld[lx][ly]);
11911   else
11912     DrawAreaBorder(sx, sy, sx, sy);
11913 }
11914
11915 static void CheckLevelBorderElement(boolean redraw_playfield)
11916 {
11917   int last_border_element = BorderElement;
11918
11919   SetBorderElement();
11920
11921   if (redraw_playfield && BorderElement != last_border_element)
11922     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11923 }
11924
11925 static void CopyLevelToUndoBuffer(int mode)
11926 {
11927   static boolean accumulated_undo = FALSE;
11928   boolean new_undo_buffer_position = TRUE;
11929   int x, y;
11930
11931   if (undo_buffer_steps == 0)
11932     accumulated_undo = FALSE;
11933
11934   switch (mode)
11935   {
11936     case UNDO_IMMEDIATE:
11937       accumulated_undo = FALSE;
11938       break;
11939
11940     case UNDO_ACCUMULATE:
11941       if (accumulated_undo)
11942         new_undo_buffer_position = FALSE;
11943       accumulated_undo = TRUE;
11944       break;
11945
11946     default:
11947       break;
11948   }
11949
11950   if (new_undo_buffer_position)
11951   {
11952     /* advance position in undo buffer ring */
11953     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11954
11955     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
11956       undo_buffer_steps++;
11957   }
11958
11959   /* always reset redo buffer when storing level change into undo buffer */
11960   redo_buffer_steps = 0;
11961
11962   for (x = 0; x < lev_fieldx; x++)
11963     for (y = 0; y < lev_fieldy; y++)
11964       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
11965
11966   /* check if drawing operation forces change of border style */
11967   CheckLevelBorderElement(TRUE);
11968
11969   level.changed = TRUE;
11970 }
11971
11972 static void RandomPlacement(int new_element)
11973 {
11974   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11975   int num_free_positions = 0;
11976   int num_percentage, num_elements;
11977   int x, y;
11978
11979   ResetIntelliDraw();
11980
11981   /* determine number of free positions for randomly placing the new element */
11982   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
11983   {
11984     free_position[x][y] =
11985       (random_placement_background_restricted ?
11986        Feld[x][y] == random_placement_background_element :
11987        Feld[x][y] != new_element);
11988
11989     if (free_position[x][y])
11990       num_free_positions++;
11991   }
11992
11993   /* determine number of new elements to place there */
11994   num_percentage = num_free_positions * random_placement_value / 100;
11995   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
11996                   num_percentage : random_placement_value);
11997
11998   /* if less free positions than elements to place, fill all these positions */
11999   if (num_free_positions < num_elements)
12000   {
12001     for (x = 0; x < lev_fieldx; x++)
12002       for (y = 0; y < lev_fieldy; y++)
12003         if (free_position[x][y])
12004           SetElement(x, y, new_element);
12005   }
12006   else
12007   {
12008     while (num_elements > 0)
12009     {
12010       x = GetSimpleRandom(lev_fieldx);
12011       y = GetSimpleRandom(lev_fieldy);
12012
12013       /* don't place element at the same position twice */
12014       if (free_position[x][y])
12015       {
12016         free_position[x][y] = FALSE;
12017         SetElement(x, y, new_element);
12018         num_elements--;
12019       }
12020     }
12021   }
12022
12023   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12024   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12025 }
12026
12027 void WrapLevel(int dx, int dy)
12028 {
12029   int wrap_dx = lev_fieldx - dx;
12030   int wrap_dy = lev_fieldy - dy;
12031   int x, y;
12032
12033   for (x = 0; x < lev_fieldx; x++)
12034     for (y = 0; y < lev_fieldy; y++)
12035       FieldBackup[x][y] = Feld[x][y];
12036
12037   for (x = 0; x < lev_fieldx; x++)
12038     for (y = 0; y < lev_fieldy; y++)
12039       Feld[x][y] =
12040         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12041
12042   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12043   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12044 }
12045
12046 static void HandleDrawingAreas(struct GadgetInfo *gi)
12047 {
12048   static boolean started_inside_drawing_area = FALSE;
12049   static int last_sx = -1, last_sy = -1;
12050   static int last_sx2 = -1, last_sy2 = -1;
12051   int id = gi->custom_id;
12052   int type_id = gi->custom_type_id;
12053   boolean button_press_event;
12054   boolean button_release_event;
12055   boolean inside_drawing_area = !gi->event.off_borders;
12056   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12057   int actual_drawing_function;
12058   int button = gi->event.button;
12059   int new_element = BUTTON_ELEMENT(button);
12060   int sx = gi->event.x, sy = gi->event.y;
12061   int min_sx = 0, min_sy = 0;
12062   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12063   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12064   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12065   int sx2 = gi->event.mx / mini_item_xsize;
12066   int sy2 = gi->event.my / mini_item_ysize;
12067   int dx = sx2 % 2;
12068   int dy = sy2 % 2;
12069   int lx = 0, ly = 0;
12070   int min_lx = 0, min_ly = 0;
12071   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12072   int x, y;
12073
12074   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12075   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12076
12077   /* make sure to stay inside drawing area boundaries */
12078   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12079   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12080
12081   if (draw_level)
12082   {
12083     /* get positions inside level field */
12084     lx = sx + level_xpos;
12085     ly = sy + level_ypos;
12086
12087     if (!IN_LEV_FIELD(lx, ly))
12088       inside_drawing_area = FALSE;
12089
12090     /* make sure to stay inside level field boundaries */
12091     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12092     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12093
12094     /* correct drawing area positions accordingly */
12095     sx = lx - level_xpos;
12096     sy = ly - level_ypos;
12097   }
12098
12099   /* also correct MM wall-sized (double) drawing area positions accordingly */
12100   if (sx2 / 2 < sx || sx2 / 2 > sx)
12101   {
12102     dx = (sx2 / 2 < sx ? 0 : 1);
12103     sx2 = sx * 2 + dx;
12104   }
12105   if (sy2 / 2 < sy || sy2 / 2 > sy)
12106   {
12107     dy = (sy2 / 2 < sy ? 0 : 1);
12108     sy2 = sy * 2 + dy;
12109   }
12110
12111   if (button_release_event)
12112   {
12113     last_sx = -1;
12114     last_sy = -1;
12115     last_sx2 = -1;
12116     last_sy2 = -1;
12117   }
12118   else if (!button_press_event)
12119   {
12120     /* prevent handling events for every pixel position when moving mouse */
12121     if ((sx == last_sx && sy == last_sy &&
12122          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12123         (sx2 == last_sx2 && sy2 == last_sy2))
12124       return;
12125   }
12126
12127   last_sx = sx;
12128   last_sy = sy;
12129   last_sx2 = sx2;
12130   last_sy2 = sy2;
12131
12132   if (button_press_event)
12133     started_inside_drawing_area = inside_drawing_area;
12134
12135   if (!started_inside_drawing_area)
12136     return;
12137
12138   if (!IS_VALID_BUTTON(button))
12139     return;
12140
12141   if (!button && !button_release_event)
12142     return;
12143
12144   /* handle info callback for each invocation of action callback */
12145   gi->callback_info(gi);
12146
12147   /* automatically switch to 'single item' drawing mode, if needed */
12148   actual_drawing_function =
12149     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12150      drawing_function : GADGET_ID_SINGLE_ITEMS);
12151
12152   /* clicking into drawing area with pressed Control key picks element */
12153   if (GetKeyModState() & KMOD_Control)
12154   {
12155     last_drawing_function = drawing_function;
12156     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12157   }
12158
12159   if (GetKeyModState() & KMOD_Shift)
12160   {
12161     if (button_press_event || button_release_event)
12162       ResetIntelliDraw();
12163   }
12164
12165   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12166
12167   switch (actual_drawing_function)
12168   {
12169     case GADGET_ID_SINGLE_ITEMS:
12170       if (draw_level)
12171       {
12172         if (button_release_event)
12173         {
12174           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12175
12176           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12177               !inside_drawing_area)
12178             DeleteBrushFromCursor();
12179         }
12180
12181         if (!button || button_release_event)
12182           break;
12183
12184         if (draw_with_brush)
12185         {
12186           CopyBrushToLevel(sx, sy, button);
12187         }
12188         else
12189         {
12190           SetDrawModeHiRes(new_element);
12191
12192           if (new_element == EL_PLAYER_1)
12193           {
12194             /* remove player at old position */
12195             for (y = 0; y < lev_fieldy; y++)
12196               for (x = 0; x < lev_fieldx; x++)
12197                 if (Feld[x][y] == EL_PLAYER_1)
12198                   SetElement(x, y, EL_EMPTY);
12199           }
12200
12201           SetElementButton(lx, ly, dx, dy, new_element, button);
12202         }
12203       }
12204       else if (!button_release_event)
12205       {
12206         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12207
12208         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12209           DrawMiniGraphicExt(drawto,
12210                              gi->x + sx * MINI_TILEX,
12211                              gi->y + sy * MINI_TILEY,
12212                              el2edimg(new_element));
12213         else
12214           DrawFixedGraphicExt(drawto,
12215                               gi->x + sx * TILEX,
12216                               gi->y + sy * TILEY,
12217                               el2edimg(new_element), 0);
12218
12219         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12220           new_element = GFX_ELEMENT(new_element);
12221
12222         drawingarea_info[type_id].value[pos] = new_element;
12223
12224         CopyElementPropertiesToGame(properties_element);
12225
12226         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12227         {
12228           UpdateCustomElementGraphicGadgets();
12229
12230           FrameCounter = 0;     /* restart animation frame counter */
12231         }
12232       }
12233       break;
12234
12235     case GADGET_ID_CONNECTED_ITEMS:
12236       {
12237         static int last_sx = -1;
12238         static int last_sy = -1;
12239
12240         if (button_release_event)
12241           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12242
12243         if (button)
12244         {
12245           SetDrawModeHiRes(new_element);
12246
12247           if (getDrawModeHiRes())
12248           {
12249             sx = sx2;
12250             sy = sy2;
12251           }
12252
12253           if (!button_press_event)
12254             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12255
12256           last_sx = sx;
12257           last_sy = sy;
12258         }
12259       }
12260       break;
12261
12262     case GADGET_ID_LINE:
12263     case GADGET_ID_ARC:
12264     case GADGET_ID_RECTANGLE:
12265     case GADGET_ID_FILLED_BOX:
12266       SetDrawModeHiRes(new_element);
12267
12268       if (getDrawModeHiRes())
12269       {
12270         sx = sx2;
12271         sy = sy2;
12272       }
12273       /* FALLTHROUGH */
12274     case GADGET_ID_GRAB_BRUSH:
12275     case GADGET_ID_TEXT:
12276       {
12277         static int last_sx = -1;
12278         static int last_sy = -1;
12279         static int start_sx = -1;
12280         static int start_sy = -1;
12281         void (*draw_func)(int, int, int, int, int, boolean);
12282
12283         if (drawing_function == GADGET_ID_LINE)
12284           draw_func = DrawLine;
12285         else if (drawing_function == GADGET_ID_ARC)
12286           draw_func = DrawArc;
12287         else if (drawing_function == GADGET_ID_RECTANGLE)
12288           draw_func = DrawBox;
12289         else if (drawing_function == GADGET_ID_FILLED_BOX)
12290           draw_func = DrawFilledBox;
12291         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12292           draw_func = SelectArea;
12293         else /* (drawing_function == GADGET_ID_TEXT) */
12294           draw_func = SetTextCursor;
12295
12296         if (button_press_event)
12297         {
12298           draw_func(sx, sy, sx, sy, new_element, FALSE);
12299           start_sx = last_sx = sx;
12300           start_sy = last_sy = sy;
12301
12302           if (drawing_function == GADGET_ID_TEXT)
12303             DrawLevelText(0, 0, 0, TEXT_END);
12304         }
12305         else if (button_release_event)
12306         {
12307           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12308           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12309           {
12310             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12311             CopyBrushToCursor(sx, sy);
12312             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12313                           MB_LEFTBUTTON);
12314             draw_with_brush = TRUE;
12315           }
12316           else if (drawing_function == GADGET_ID_TEXT)
12317             DrawLevelText(sx, sy, 0, TEXT_INIT);
12318           else
12319             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12320         }
12321         else if (last_sx != sx || last_sy != sy)
12322         {
12323           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12324           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12325             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12326           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12327           last_sx = sx;
12328           last_sy = sy;
12329         }
12330       }
12331       break;
12332
12333     case GADGET_ID_FLOOD_FILL:
12334       if (button_press_event && Feld[lx][ly] != new_element)
12335       {
12336         if (IS_MM_WALL_EDITOR(new_element))
12337           FloodFillWall_MM(sx2, sy2, new_element);
12338         else
12339           FloodFill(lx, ly, new_element);
12340
12341         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12342         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12343       }
12344       break;
12345
12346     case GADGET_ID_PICK_ELEMENT:
12347       if (button_release_event)
12348         ClickOnGadget(level_editor_gadget[last_drawing_function],
12349                       MB_LEFTBUTTON);
12350       else if (draw_level)
12351         PickDrawingElement(button, Feld[lx][ly]);
12352       else
12353       {
12354         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12355
12356         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12357       }
12358
12359     default:
12360       break;
12361   }
12362
12363   /* do not mark level as modified for certain non-level-changing gadgets */
12364   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12365        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12366       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12367       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12368     return;
12369
12370   level.changed = TRUE;
12371 }
12372
12373 static void HandleCounterButtons(struct GadgetInfo *gi)
12374 {
12375   int gadget_id = gi->custom_id;
12376   int counter_id = gi->custom_type_id;
12377   int button = gi->event.button;
12378   int *counter_value = counterbutton_info[counter_id].value;
12379   int step = BUTTON_STEPSIZE(button) *
12380     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12381
12382   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12383   {
12384     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12385     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12386     boolean level_changed = LevelChanged();
12387
12388     if ((level_changed && pressed) || (!level_changed && released))
12389       return;
12390
12391     if (level_changed && !Request("Level has changed! Discard changes?",
12392                                   REQ_ASK))
12393     {
12394       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12395         ModifyEditorCounterValue(counter_id, *counter_value);
12396
12397       return;
12398     }
12399   }
12400
12401   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12402     *counter_value = gi->textinput.number_value;
12403   else
12404     ModifyEditorCounterValue(counter_id, *counter_value + step);
12405
12406   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12407   {
12408     int last_game_engine_type = level.game_engine_type;
12409
12410     LoadLevel(level_nr);
12411     LoadScore(level_nr);
12412
12413     SaveLevelSetup_SeriesInfo();
12414
12415     TapeErase();
12416
12417     ResetUndoBuffer();
12418     DrawEditModeWindow();
12419
12420     if (level.game_engine_type != last_game_engine_type)
12421     {
12422       /* update element selection list */
12423       ReinitializeElementList();
12424       ModifyEditorElementList();
12425     }
12426
12427     return;
12428   }
12429
12430   switch (counter_id)
12431   {
12432     case ED_COUNTER_ID_YAMYAM_CONTENT:
12433       DrawYamYamContentAreas();
12434       break;
12435
12436     case ED_COUNTER_ID_BALL_CONTENT:
12437       DrawMagicBallContentAreas();
12438       break;
12439
12440     case ED_COUNTER_ID_ANDROID_CONTENT:
12441       DrawAndroidElementArea(properties_element);
12442       break;
12443
12444     case ED_COUNTER_ID_GROUP_CONTENT:
12445       DrawGroupElementArea(properties_element);
12446       CopyGroupElementPropertiesToGame(properties_element);
12447       break;
12448
12449     case ED_COUNTER_ID_INVENTORY_SIZE:
12450       DrawPlayerInitialInventoryArea(properties_element);
12451       break;
12452
12453     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12454     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12455       DrawEnvelopeTextArea(-1);
12456       break;
12457
12458     case ED_COUNTER_ID_LEVEL_XSIZE:
12459     case ED_COUNTER_ID_LEVEL_YSIZE:
12460       lev_fieldx = level.fieldx;
12461       lev_fieldy = level.fieldy;
12462
12463       /* check if resizing of level results in change of border border */
12464       SetBorderElement();
12465
12466       break;
12467
12468     default:
12469       break;
12470   }
12471
12472   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12473        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12474       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12475        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12476     CopyElementPropertiesToGame(properties_element);
12477
12478   /* do not mark level as modified for certain non-level-changing gadgets */
12479   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12480        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12481       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12482        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12483     return;
12484
12485   level.changed = TRUE;
12486 }
12487
12488 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12489 {
12490   int type_id = gi->custom_type_id;
12491
12492   strcpy(textinput_info[type_id].value, gi->textinput.value);
12493
12494   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12495   {
12496     CopyElementPropertiesToGame(properties_element);
12497
12498     ModifyEditorElementList();  /* update changed button info text */
12499   }
12500
12501   /* do not mark level as modified for certain non-level-changing gadgets */
12502   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12503       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12504     return;
12505
12506   level.changed = TRUE;
12507 }
12508
12509 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12510 {
12511   int type_id = gi->custom_type_id;
12512
12513   strncpy(textarea_info[type_id].value, gi->textarea.value,
12514           MAX_ENVELOPE_TEXT_LEN);
12515   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12516
12517   level.changed = TRUE;
12518 }
12519
12520 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12521 {
12522   int type_id = gi->custom_type_id;
12523   int value_old = *selectbox_info[type_id].value;
12524   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12525
12526   *selectbox_info[type_id].value = value_new;
12527
12528   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12529   {
12530     DrawLevelInfoWindow();
12531   }
12532   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12533   {
12534     element_info[properties_element].current_change_page = gi->selectbox.index;
12535
12536     DrawPropertiesWindow();
12537   }
12538   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12539             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12540            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12541             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12542            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12543   {
12544     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12545     {
12546       /* when changing action type, also check action mode and action arg */
12547       if (value_old != value_new)
12548         setSelectboxSpecialActionVariablesIfNeeded();
12549
12550       DrawPropertiesChange();
12551     }
12552
12553     CopyElementPropertiesToGame(properties_element);
12554   }
12555   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12556   {
12557     /* update element selection list */
12558     ReinitializeElementList();
12559     ModifyEditorElementList();
12560   }
12561
12562   /* do not mark level as modified for certain non-level-changing gadgets */
12563   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12564       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12565     return;
12566
12567   level.changed = TRUE;
12568 }
12569
12570 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12571 {
12572   int type_id = gi->custom_type_id;
12573   int i;
12574
12575   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12576       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12577   {
12578     edit_mode_levelinfo = gi->custom_type_id;
12579
12580     DrawLevelInfoWindow();
12581   }
12582   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12583            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12584   {
12585     edit_mode_properties = gi->custom_type_id;
12586
12587     DrawPropertiesWindow();
12588   }
12589   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12590            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12591   {
12592     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12593
12594     /* backup original "level.field" (needed to track playfield changes) */
12595     CopyPlayfield(level.field, FieldBackup);
12596
12597     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12598     CopyPlayfield(Feld, level.field);
12599
12600     if (new_template ||
12601         Request("Save this template and kill the old?", REQ_ASK))
12602       SaveLevelTemplate();
12603
12604     if (new_template)
12605       Request("Template saved!", REQ_CONFIRM);
12606
12607     /* restore original "level.field" (needed to track playfield changes) */
12608     CopyPlayfield(FieldBackup, level.field);
12609   }
12610   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12611   {
12612     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12613
12614     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12615         leveldir_current->readonly)
12616     {
12617       Request("This level set is read only!", REQ_CONFIRM);
12618
12619       return;
12620     }
12621
12622     if (strEqual(levelset_name, ""))
12623     {
12624       Request("Please enter level set title!", REQ_CONFIRM);
12625
12626       return;
12627     }
12628
12629     if (strEqual(levelset_author, ""))
12630     {
12631       Request("Please enter level set author!", REQ_CONFIRM);
12632
12633       return;
12634     }
12635
12636     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12637     {
12638       if (UpdateUserLevelSet(levelset_subdir,
12639                              levelset_name,
12640                              levelset_author,
12641                              levelset_num_levels))
12642       {
12643         Request("Level set updated!", REQ_CONFIRM);
12644       }
12645       else
12646       {
12647         Request("Updating level set failed!", REQ_CONFIRM);
12648       }
12649     }
12650     else
12651     {
12652       if (CreateUserLevelSet(levelset_subdir,
12653                              levelset_name,
12654                              levelset_author,
12655                              levelset_num_levels))
12656       {
12657         Request("New level set created!", REQ_CONFIRM);
12658
12659         AddUserLevelSetToLevelInfo(levelset_subdir);
12660         ChangeEditorToLevelSet(levelset_subdir);
12661       }
12662       else
12663       {
12664         Request("Creating new level set failed!", REQ_CONFIRM);
12665       }
12666     }
12667   }
12668   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12669            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12670   {
12671     struct ElementInfo *ei = &element_info[properties_element];
12672
12673     /* when modifying custom element, ask for copying level template */
12674     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12675       return;
12676
12677     setElementChangePages(ei, ei->num_change_pages + 1);
12678
12679     /* set new change page to be new current change page */
12680     ei->current_change_page = ei->num_change_pages - 1;
12681     ei->change = &ei->change_page[ei->current_change_page];
12682
12683     setElementChangeInfoToDefaults(ei->change);
12684
12685     DrawPropertiesWindow();
12686
12687     level.changed = TRUE;
12688   }
12689   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12690            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12691   {
12692     struct ElementInfo *ei = &element_info[properties_element];
12693
12694     /* when modifying custom element, ask for copying level template */
12695     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12696       return;
12697
12698     /* copy all change pages after change page to be deleted */
12699     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12700       ei->change_page[i] = ei->change_page[i + 1];
12701
12702     setElementChangePages(ei, ei->num_change_pages - 1);
12703
12704     DrawPropertiesWindow();
12705
12706     level.changed = TRUE;
12707   }
12708 }
12709
12710 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12711 {
12712   int type_id = gi->custom_type_id;
12713
12714   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12715       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12716   {
12717     struct ElementInfo *ei = &element_info[properties_element];
12718     int step = BUTTON_STEPSIZE(gi->event.button);
12719
12720     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12721     ei->current_change_page += step;
12722
12723     if (ei->current_change_page < 0)
12724       ei->current_change_page = 0;
12725     else if (ei->current_change_page >= ei->num_change_pages)
12726       ei->current_change_page = ei->num_change_pages - 1;
12727
12728     DrawPropertiesWindow();
12729   }
12730   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12731            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12732   {
12733     struct ElementInfo *ei = &element_info[properties_element];
12734     int current_change_page = ei->current_change_page;
12735
12736     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12737     {
12738       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12739         ei->change_page[current_change_page];
12740     }
12741     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12742     {
12743       /* when modifying custom element, ask for copying level template */
12744       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12745         return;
12746
12747       ei->change_page[current_change_page] =
12748         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12749
12750       level.changed = TRUE;
12751     }
12752
12753     DrawPropertiesWindow();
12754   }
12755 }
12756
12757 static void HandleRadiobuttons(struct GadgetInfo *gi)
12758 {
12759   int type_id = gi->custom_type_id;
12760
12761   *radiobutton_info[type_id].value =
12762     radiobutton_info[type_id].checked_value;
12763
12764   /* do not mark level as modified for certain non-level-changing gadgets */
12765   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12766       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12767     return;
12768
12769   level.changed = TRUE;
12770 }
12771
12772 static void HandleCheckbuttons(struct GadgetInfo *gi)
12773 {
12774   int type_id = gi->custom_type_id;
12775
12776   *checkbutton_info[type_id].value ^= TRUE;
12777
12778   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12779       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12780       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12781       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12782          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12783         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12784          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12785        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12786   {
12787     CopyElementPropertiesToGame(properties_element);
12788   }
12789
12790   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12791   {
12792     UpdateCustomElementGraphicGadgets();
12793   }
12794   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12795            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12796   {
12797     boolean template_related_changes_found = FALSE;
12798     int i;
12799
12800     /* check if any custom or group elements have been changed */
12801     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12802       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12803           element_info[i].modified_settings)
12804         template_related_changes_found = TRUE;
12805
12806     if (level.use_custom_template &&
12807         !fileExists(getGlobalLevelTemplateFilename()))
12808     {
12809       Request("No level template found!", REQ_CONFIRM);
12810
12811       level.use_custom_template = FALSE;
12812
12813       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12814
12815       return;
12816     }
12817
12818     if (level.use_custom_template &&
12819         template_related_changes_found &&
12820         !Request("Discard changes and use level template?", REQ_ASK))
12821     {
12822       level.use_custom_template = FALSE;
12823
12824       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12825
12826       return;
12827     }
12828
12829     if (!level.use_custom_template &&
12830         Request("Copy settings from level template?", REQ_ASK))
12831     {
12832       return;
12833     }
12834
12835     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12836
12837     DrawEditModeWindow();
12838   }
12839   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12840   {
12841     if (setup.editor.use_template_for_new_levels &&
12842         !fileExists(getGlobalLevelTemplateFilename()))
12843     {
12844       Request("No level template found!", REQ_CONFIRM);
12845
12846       return;
12847     }
12848
12849     if (setup.editor.use_template_for_new_levels &&
12850         level.changed &&
12851         !Request("Discard level and load template?", REQ_ASK))
12852     {
12853       return;
12854     }
12855
12856     if (!setup.editor.use_template_for_new_levels &&
12857         level.changed &&
12858         !Request("Discard level and use empty level?", REQ_ASK))
12859     {
12860       return;
12861     }
12862
12863     LoadLevel(level_nr);
12864     LoadScore(level_nr);
12865
12866     TapeErase();
12867
12868     ResetUndoBuffer();
12869     DrawEditModeWindow();
12870   }
12871   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
12872   {
12873     SetAutomaticNumberOfGemsNeeded();
12874   }
12875
12876   /* do not mark level as modified for certain non-level-changing gadgets */
12877   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
12878        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
12879       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
12880     return;
12881
12882   level.changed = TRUE;
12883 }
12884
12885 static void HandleControlButtons(struct GadgetInfo *gi)
12886 {
12887   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
12888   static int last_edit_mode = ED_MODE_DRAWING;
12889   static int last_custom_copy_mode = -1;
12890   static int last_button = 0;
12891   int id = gi->custom_id;
12892   int button = gi->event.button;
12893   int step = BUTTON_STEPSIZE(button);
12894   int new_element = BUTTON_ELEMENT(button);
12895   int last_properties_element = properties_element;
12896   int x, y;
12897
12898   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
12899     DrawLevelText(0, 0, 0, TEXT_END);
12900
12901   if (id < ED_NUM_CTRL1_BUTTONS &&
12902       id != GADGET_ID_SINGLE_ITEMS &&
12903       id != GADGET_ID_PICK_ELEMENT &&
12904       edit_mode != ED_MODE_DRAWING &&
12905       drawing_function != GADGET_ID_PICK_ELEMENT &&
12906       !(GetKeyModState() & KMOD_Control))
12907     ChangeEditModeWindow(ED_MODE_DRAWING);
12908
12909   /* element copy mode active, but no element button pressed => deactivate */
12910   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
12911     last_custom_copy_mode = -1;
12912
12913   /* when showing palette on element buttons, change element of button used */
12914   if (editor.palette.show_on_element_buttons &&
12915       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
12916   {
12917     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
12918
12919     id = GADGET_ID_PALETTE;
12920   }
12921
12922   switch (id)
12923   {
12924     case GADGET_ID_SCROLL_LEFT:
12925       if (level_xpos >= 0)
12926       {
12927         if (lev_fieldx < ed_fieldx - 2)
12928           break;
12929
12930         level_xpos -= step;
12931         if (level_xpos < -1)
12932           level_xpos = -1;
12933         if (button == 1)
12934           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
12935         else
12936           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12937
12938         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12939                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12940       }
12941       break;
12942
12943     case GADGET_ID_SCROLL_RIGHT:
12944       if (level_xpos <= lev_fieldx - ed_fieldx)
12945       {
12946         if (lev_fieldx < ed_fieldx - 2)
12947           break;
12948
12949         level_xpos += step;
12950         if (level_xpos > lev_fieldx - ed_fieldx + 1)
12951           level_xpos = lev_fieldx - ed_fieldx + 1;
12952         if (button == 1)
12953           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
12954         else
12955           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12956
12957         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12958                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12959       }
12960       break;
12961
12962     case GADGET_ID_SCROLL_UP:
12963       if (level_ypos >= 0)
12964       {
12965         if (lev_fieldy < ed_fieldy - 2)
12966           break;
12967
12968         level_ypos -= step;
12969         if (level_ypos < -1)
12970           level_ypos = -1;
12971         if (button == 1)
12972           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
12973         else
12974           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12975
12976         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12977                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12978       }
12979       break;
12980
12981     case GADGET_ID_SCROLL_DOWN:
12982       if (level_ypos <= lev_fieldy - ed_fieldy)
12983       {
12984         if (lev_fieldy < ed_fieldy - 2)
12985           break;
12986
12987         level_ypos += step;
12988         if (level_ypos > lev_fieldy - ed_fieldy + 1)
12989           level_ypos = lev_fieldy - ed_fieldy + 1;
12990         if (button == 1)
12991           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
12992         else
12993           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12994
12995         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12996                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12997       }
12998       break;
12999
13000     case GADGET_ID_SCROLL_HORIZONTAL:
13001       level_xpos = gi->event.item_position - 1;
13002
13003       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13004       BackToFront();
13005
13006       break;
13007
13008     case GADGET_ID_SCROLL_VERTICAL:
13009       level_ypos = gi->event.item_position - 1;
13010
13011       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13012       BackToFront();
13013
13014       break;
13015
13016     case GADGET_ID_SCROLL_LIST_UP:
13017     case GADGET_ID_SCROLL_LIST_DOWN:
13018     case GADGET_ID_SCROLL_LIST_VERTICAL:
13019       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13020         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13021       else
13022       {
13023         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13024         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13025
13026         if (element_shift < 0)
13027           element_shift = 0;
13028         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13029           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13030
13031         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13032                      GDI_SCROLLBAR_ITEM_POSITION,
13033                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13034       }
13035
13036       ModifyEditorElementList();
13037
13038       break;
13039
13040     case GADGET_ID_PROPERTIES:
13041       // always switch off element properties when they are already displayed
13042       last_properties_element = new_element;
13043     case GADGET_ID_ELEMENT_LEFT:
13044     case GADGET_ID_ELEMENT_MIDDLE:
13045     case GADGET_ID_ELEMENT_RIGHT:
13046       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13047                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13048                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13049                             new_element);
13050
13051       if (edit_mode != ED_MODE_PROPERTIES)
13052       {
13053         last_edit_mode = edit_mode;
13054
13055         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13056
13057         last_level_drawing_function = drawing_function;
13058         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13059                       MB_LEFTBUTTON);
13060       }
13061       else if (properties_element != last_properties_element)
13062       {
13063         DrawEditModeWindow();
13064       }
13065       else
13066       {
13067         ChangeEditModeWindow(last_edit_mode);
13068
13069         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13070                       MB_LEFTBUTTON);
13071       }
13072       break;
13073
13074     case GADGET_ID_PALETTE:
13075       if (edit_mode != ED_MODE_PALETTE)
13076       {
13077         last_edit_mode = edit_mode;
13078
13079         ChangeEditModeWindow(ED_MODE_PALETTE);
13080       }
13081       else
13082       {
13083         ChangeEditModeWindow(last_edit_mode);
13084       }
13085       break;
13086
13087     case GADGET_ID_WRAP_LEFT:
13088       WrapLevel(-step, 0);
13089       break;
13090
13091     case GADGET_ID_WRAP_RIGHT:
13092       WrapLevel(step, 0);
13093       break;
13094
13095     case GADGET_ID_WRAP_UP:
13096       WrapLevel(0, -step);
13097       break;
13098
13099     case GADGET_ID_WRAP_DOWN:
13100       WrapLevel(0, step);
13101       break;
13102
13103     case GADGET_ID_SINGLE_ITEMS:
13104     case GADGET_ID_CONNECTED_ITEMS:
13105     case GADGET_ID_LINE:
13106     case GADGET_ID_ARC:
13107     case GADGET_ID_TEXT:
13108     case GADGET_ID_RECTANGLE:
13109     case GADGET_ID_FILLED_BOX:
13110     case GADGET_ID_FLOOD_FILL:
13111     case GADGET_ID_GRAB_BRUSH:
13112     case GADGET_ID_PICK_ELEMENT:
13113       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13114         last_drawing_function = drawing_function;
13115       drawing_function = id;
13116       draw_with_brush = FALSE;
13117       break;
13118
13119     case GADGET_ID_RANDOM_PLACEMENT:
13120       RandomPlacement(new_element);
13121       break;
13122
13123     case GADGET_ID_ZOOM:
13124       // zoom level editor tile size in or out (or reset to default size)
13125       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13126                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
13127                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13128
13129       // limit zoom level by upper and lower bound
13130       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13131
13132       InitZoomLevelSettings(ed_tilesize);
13133
13134       if (edit_mode == ED_MODE_DRAWING)
13135       {
13136         DrawDrawingWindow();
13137
13138         /* redraw zoom gadget info text */
13139         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13140       }
13141
13142       /* save current editor zoom tilesize */
13143       SaveSetup_AutoSetup();
13144
13145       break;
13146
13147     case GADGET_ID_CUSTOM_COPY_FROM:
13148     case GADGET_ID_CUSTOM_COPY_TO:
13149     case GADGET_ID_CUSTOM_EXCHANGE:
13150       last_custom_copy_mode = id;
13151       last_drawing_function = drawing_function;
13152       break;
13153
13154     case GADGET_ID_CUSTOM_COPY:
13155       CopyCustomElement(properties_element, -1, id);
13156       break;
13157
13158     case GADGET_ID_CUSTOM_PASTE:
13159       CopyCustomElement(-1, properties_element, id);
13160       break;
13161
13162     case GADGET_ID_UNDO:
13163       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13164         button = 3;
13165
13166       if (button == 1 && undo_buffer_steps == 0)
13167       {
13168         Request("Undo buffer empty!", REQ_CONFIRM);
13169
13170         break;
13171       }
13172       else if (button == 2)
13173       {
13174         break;
13175       }
13176       else if (button == 3 && redo_buffer_steps == 0)
13177       {
13178         Request("Redo buffer empty!", REQ_CONFIRM);
13179
13180         break;
13181       }
13182
13183       if (edit_mode != ED_MODE_DRAWING)
13184         ChangeEditModeWindow(ED_MODE_DRAWING);
13185
13186       if (button == 1)
13187       {
13188         /* undo */
13189
13190         undo_buffer_position =
13191           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13192
13193         undo_buffer_steps--;
13194         redo_buffer_steps++;
13195       }
13196       else
13197       {
13198         /* redo */
13199
13200         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13201
13202         undo_buffer_steps++;
13203         redo_buffer_steps--;
13204       }
13205
13206       for (x = 0; x < lev_fieldx; x++)
13207         for (y = 0; y < lev_fieldy; y++)
13208           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13209
13210       /* check if undo operation forces change of border style */
13211       CheckLevelBorderElement(FALSE);
13212
13213       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13214
13215       break;
13216
13217     case GADGET_ID_INFO:
13218       if (edit_mode != ED_MODE_INFO)
13219       {
13220         last_edit_mode = edit_mode;
13221
13222         ChangeEditModeWindow(ED_MODE_INFO);
13223       }
13224       else
13225       {
13226         ChangeEditModeWindow(last_edit_mode);
13227       }
13228       break;
13229
13230     case GADGET_ID_CLEAR:
13231       if (edit_mode != ED_MODE_DRAWING)
13232         ChangeEditModeWindow(ED_MODE_DRAWING);
13233
13234       for (x = 0; x < MAX_LEV_FIELDX; x++)
13235         for (y = 0; y < MAX_LEV_FIELDY; y++)
13236           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13237
13238       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13239
13240       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13241       break;
13242
13243     case GADGET_ID_SAVE:
13244     {
13245       /* saving read-only levels into personal level set modifies global vars
13246          "leveldir_current" and "level_nr"; restore them after saving level */
13247       LevelDirTree *leveldir_former = leveldir_current;
13248       int level_nr_former = level_nr;
13249       char *level_filename;
13250       boolean new_level;
13251
13252       if (leveldir_current->readonly &&
13253           !PrepareSavingIntoPersonalLevelSet())
13254         break;
13255
13256       level_filename = getDefaultLevelFilename(level_nr);
13257       new_level = !fileExists(level_filename);
13258
13259       if (new_level ||
13260           Request("Save this level and kill the old?", REQ_ASK))
13261       {
13262         if (leveldir_former->readonly)
13263           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13264
13265         SetAutomaticNumberOfGemsNeeded();
13266
13267         CopyPlayfield(Feld, level.field);
13268         SaveLevel(level_nr);
13269
13270         level.changed = FALSE;
13271
13272         if (new_level)
13273         {
13274           char level_saved_msg[64];
13275
13276           if (leveldir_former->readonly)
13277             sprintf(level_saved_msg,
13278                     "Level saved as level %d into personal level set!",
13279                     level_nr);
13280           else
13281             strcpy(level_saved_msg, "Level saved!");
13282
13283           Request(level_saved_msg, REQ_CONFIRM);
13284         }
13285       }
13286
13287       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13288       leveldir_current = leveldir_former;
13289       level_nr = level_nr_former;
13290
13291       break;
13292     }
13293
13294     case GADGET_ID_TEST:
13295       if (LevelChanged())
13296         level.game_version = GAME_VERSION_ACTUAL;
13297
13298       CopyPlayfield(level.field, FieldBackup);
13299       CopyPlayfield(Feld, level.field);
13300
13301       CopyNativeLevel_RND_to_Native(&level);
13302
13303       UnmapLevelEditorGadgets();
13304       UndrawSpecialEditorDoor();
13305
13306       CloseDoor(DOOR_CLOSE_ALL);
13307
13308       /* needed before playing if editor playfield area has different size */
13309       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13310
13311       // redraw_mask = REDRAW_ALL;
13312
13313       level_editor_test_game = TRUE;
13314
13315       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13316
13317       break;
13318
13319     case GADGET_ID_EXIT:
13320       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13321       break;
13322
13323     default:
13324       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13325           id <= GADGET_ID_ELEMENTLIST_LAST)
13326       {
13327         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13328         int new_element = editor_elements[element_position + element_shift];
13329
13330         if (IS_EDITOR_CASCADE(new_element))
13331         {
13332           int i;
13333
13334           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13335           {
13336             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13337             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13338
13339             if (*cascade_element == new_element)
13340             {
13341               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13342               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13343
13344               /* update element selection list */
13345               ReinitializeElementList();
13346               ModifyEditorElementList();
13347
13348               /* update cascading gadget info text */
13349               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13350
13351               /* save current editor cascading state */
13352               SaveSetup_EditorCascade();
13353
13354               break;
13355             }
13356           }
13357
13358           break;
13359         }
13360
13361         if (last_custom_copy_mode != -1)
13362         {
13363           if (CopyCustomElement(properties_element, new_element,
13364                                 last_custom_copy_mode))
13365           {
13366             ClickOnGadget(level_editor_gadget[last_drawing_function],
13367                           MB_LEFTBUTTON);
13368
13369             last_custom_copy_mode = -1;
13370           }
13371
13372           break;
13373         }
13374
13375         /* change element of button used to show palette */
13376         if (editor.palette.show_on_element_buttons)
13377           button = last_button;
13378
13379         PickDrawingElement(button, new_element);
13380
13381         if (!stick_element_properties_window &&
13382             drawing_function != GADGET_ID_PICK_ELEMENT &&
13383             !(GetKeyModState() & KMOD_Control))
13384         {
13385           properties_element = new_element;
13386           if (edit_mode == ED_MODE_PROPERTIES)
13387             DrawPropertiesWindow();
13388         }
13389
13390         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13391           ClickOnGadget(level_editor_gadget[last_drawing_function],
13392                         MB_LEFTBUTTON);
13393
13394         if (!use_permanent_palette)
13395           ChangeEditModeWindow(last_edit_mode);
13396       }
13397 #ifdef DEBUG
13398       else if (gi->event.type == GD_EVENT_PRESSED)
13399         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13400       else if (gi->event.type == GD_EVENT_RELEASED)
13401         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13402       else if (gi->event.type == GD_EVENT_MOVING)
13403         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13404       else
13405         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13406 #endif
13407       break;
13408   }
13409 }
13410
13411 void HandleLevelEditorKeyInput(Key key)
13412 {
13413   char letter = getCharFromKey(key);
13414   int button = MB_LEFTBUTTON;
13415
13416   if (drawing_function == GADGET_ID_TEXT &&
13417       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13418   {
13419     if (letter)
13420       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13421     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13422       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13423     else if (key == KSYM_Return)
13424       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13425     else if (key == KSYM_Escape)
13426       DrawLevelText(0, 0, 0, TEXT_END);
13427   }
13428   else if (button_status == MB_RELEASED)
13429   {
13430     int id = GADGET_ID_NONE;
13431     int new_element_shift = element_shift;
13432     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13433     int i;
13434
13435     switch (key)
13436     {
13437       case KSYM_Left:
13438         id = GADGET_ID_SCROLL_LEFT;
13439         break;
13440       case KSYM_Right:
13441         id = GADGET_ID_SCROLL_RIGHT;
13442         break;
13443       case KSYM_Up:
13444         id = GADGET_ID_SCROLL_UP;
13445         break;
13446       case KSYM_Down:
13447         id = GADGET_ID_SCROLL_DOWN;
13448         break;
13449
13450       case KSYM_Page_Up:
13451       case KSYM_Page_Down:
13452         step *= (key == KSYM_Page_Up ? -1 : +1);
13453         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13454
13455         if (element_shift < 0)
13456           element_shift = 0;
13457         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13458           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13459
13460         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13461                      GDI_SCROLLBAR_ITEM_POSITION,
13462                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13463
13464         ModifyEditorElementList();
13465
13466         break;
13467
13468       case KSYM_Home:
13469       case KSYM_End:
13470         element_shift = (key == KSYM_Home ? 0 :
13471                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13472
13473         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13474                      GDI_SCROLLBAR_ITEM_POSITION,
13475                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13476
13477         ModifyEditorElementList();
13478
13479         break;
13480
13481       case KSYM_Insert:
13482       case KSYM_Delete:
13483
13484         /* this is needed to prevent interference with running "True X-Mouse" */
13485         if (GetKeyModStateFromEvents() & KMOD_Control)
13486           break;
13487
13488         /* check for last or next editor cascade block in element list */
13489         for (i = 0; i < num_editor_elements; i++)
13490         {
13491           if ((key == KSYM_Insert && i == element_shift) ||
13492               (key == KSYM_Delete && new_element_shift > element_shift))
13493             break;
13494
13495           /* jump to next cascade block (or to start of element list) */
13496           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13497             new_element_shift = i;
13498         }
13499
13500         if (i < num_editor_elements)
13501           element_shift = new_element_shift;
13502
13503         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13504           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13505
13506         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13507                      GDI_SCROLLBAR_ITEM_POSITION,
13508                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13509
13510         ModifyEditorElementList();
13511
13512         break;
13513
13514       case KSYM_Escape:
13515         if (edit_mode == ED_MODE_DRAWING)
13516         {
13517           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13518         }
13519         else if (edit_mode == ED_MODE_INFO)
13520         {
13521           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13522         }
13523         else if (edit_mode == ED_MODE_PROPERTIES)
13524         {
13525           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13526         }
13527         else if (edit_mode == ED_MODE_PALETTE)
13528         {
13529           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13530         }
13531         else            /* should never happen */
13532         {
13533           ChangeEditModeWindow(ED_MODE_DRAWING);
13534         }
13535
13536         break;
13537
13538       default:
13539         break;
13540     }
13541
13542     if (id != GADGET_ID_NONE)
13543       ClickOnGadget(level_editor_gadget[id], button);
13544     else if (letter == '1' || letter == '?')
13545       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13546     else if (letter == '2')
13547       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13548     else if (letter == '3')
13549       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13550     else if (letter == '.')
13551       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13552     else if (letter == 'U')
13553       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13554     else if (letter == '-' || key == KSYM_KP_Subtract)
13555       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13556     else if (letter == '0' || key == KSYM_KP_0)
13557       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13558     else if (letter == '+' || key == KSYM_KP_Add ||
13559              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13560       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13561     else if (key == KSYM_Return ||
13562              key == KSYM_space ||
13563              key == setup.shortcut.toggle_pause)
13564       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13565     else
13566       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13567         if (letter && letter == controlbutton_info[i].shortcut)
13568           if (!anyTextGadgetActive())
13569             ClickOnGadget(level_editor_gadget[i], button);
13570   }
13571 }
13572
13573 void HandleLevelEditorIdle()
13574 {
13575   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13576   int x = editor.settings.element_graphic.x + element_border;
13577   int y = editor.settings.element_graphic.y + element_border;
13578   static unsigned int action_delay = 0;
13579   unsigned int action_delay_value = GameFrameDelay;
13580   int i;
13581
13582   if (edit_mode != ED_MODE_PROPERTIES)
13583     return;
13584
13585   if (!DelayReached(&action_delay, action_delay_value))
13586     return;
13587
13588   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13589   {
13590     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13591
13592     if (gi->mapped && gi->active && gi->selectbox.open)
13593       return;
13594   }
13595
13596   DrawEditorElementAnimation(SX + x, SY + y);
13597
13598   redraw_mask |= REDRAW_FIELD;
13599
13600   FrameCounter++;       /* increase animation frame counter */
13601 }
13602
13603 static void ClearEditorGadgetInfoText()
13604 {
13605   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13606 }
13607
13608 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13609 {
13610   char infotext[MAX_OUTPUT_LINESIZE + 1];
13611   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13612   int max_infotext_len = getMaxInfoTextLength();
13613
13614   if (gi == NULL || strlen(gi->info_text) == 0)
13615     return;
13616
13617   strncpy(infotext, gi->info_text, max_infotext_len);
13618   infotext[max_infotext_len] = '\0';
13619
13620   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13621   {
13622     int key = controlbutton_info[gi->custom_id].shortcut;
13623
13624     if (key)
13625     {
13626       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13627         sprintf(shortcut, " ('.' or '%c')", key);
13628       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13629         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13630       else if (gi->custom_id == GADGET_ID_TEST)
13631         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13632       else if (gi->custom_id == GADGET_ID_UNDO)
13633         sprintf(shortcut, " ('%c/Shift-U')", key);
13634       else if (gi->custom_id == GADGET_ID_ZOOM)
13635         sprintf(shortcut, " ('%c', '0', '-')", key);
13636       else
13637         sprintf(shortcut, " ('%s%c')",
13638                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13639
13640       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13641         strcat(infotext, shortcut);
13642     }
13643   }
13644
13645   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13646 }
13647
13648 void HandleEditorGadgetInfoText(void *ptr)
13649 {
13650   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13651
13652   if (game_status != GAME_MODE_EDITOR)
13653     return;
13654
13655   ClearEditorGadgetInfoText();
13656
13657   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13658     return;
13659
13660   /* misuse this function to delete brush cursor, if needed */
13661   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13662     DeleteBrushFromCursor();
13663
13664   PrintEditorGadgetInfoText(gi);
13665 }
13666
13667 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13668 {
13669   static int start_lx, start_ly;
13670   int id = gi->custom_id;
13671   int type_id = gi->custom_type_id;
13672   int sx = gi->event.x;
13673   int sy = gi->event.y;
13674   int lx = sx + level_xpos;
13675   int ly = sy + level_ypos;
13676   int min_sx = 0, min_sy = 0;
13677   int max_sx = gi->drawing.area_xsize - 1;
13678   int max_sy = gi->drawing.area_ysize - 1;
13679   int actual_drawing_function = drawing_function;
13680   int max_infotext_len = getMaxInfoTextLength();
13681   char infotext[MAX_OUTPUT_LINESIZE + 1];
13682   char *text;
13683
13684   infotext[0] = '\0';           /* start with empty info text */
13685
13686   /* pressed Control key: simulate picking element */
13687   if (GetKeyModState() & KMOD_Control)
13688     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13689
13690   ClearEditorGadgetInfoText();
13691
13692   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13693     return;
13694
13695   /* make sure to stay inside drawing area boundaries */
13696   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13697   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13698
13699   if (id == GADGET_ID_DRAWING_LEVEL)
13700   {
13701     if (button_status)
13702     {
13703       int min_lx = 0, min_ly = 0;
13704       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13705
13706       /* get positions inside level field */
13707       lx = sx + level_xpos;
13708       ly = sy + level_ypos;
13709
13710       /* make sure to stay inside level field boundaries */
13711       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13712       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13713
13714       /* correct drawing area positions accordingly */
13715       sx = lx - level_xpos;
13716       sy = ly - level_ypos;
13717     }
13718
13719     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13720     {
13721       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13722       {
13723         if (gi->event.type == GD_EVENT_PRESSED)
13724         {
13725           start_lx = lx;
13726           start_ly = ly;
13727         }
13728
13729         switch (actual_drawing_function)
13730         {
13731           case GADGET_ID_SINGLE_ITEMS:
13732             text = "Drawing single items";
13733             break;
13734           case GADGET_ID_CONNECTED_ITEMS:
13735             text = "Drawing connected items";
13736             break;
13737           case GADGET_ID_LINE:
13738             text = "Drawing line";
13739             break;
13740           case GADGET_ID_ARC:
13741             text = "Drawing arc";
13742             break;
13743           case GADGET_ID_TEXT:
13744             text = "Setting text cursor";
13745             break;
13746           case GADGET_ID_RECTANGLE:
13747             text = "Drawing rectangle";
13748             break;
13749           case GADGET_ID_FILLED_BOX:
13750             text = "Drawing filled box";
13751             break;
13752           case GADGET_ID_FLOOD_FILL:
13753             text = "Flood fill";
13754             break;
13755           case GADGET_ID_GRAB_BRUSH:
13756             text = "Grabbing brush";
13757             break;
13758           case GADGET_ID_PICK_ELEMENT:
13759             text = "Picking element";
13760             break;
13761
13762           default:
13763             text = "Drawing position";
13764             break;
13765         }
13766
13767         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13768           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13769         else
13770           sprintf(infotext, "%s: %d, %d", text,
13771                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13772       }
13773       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13774         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13775       else
13776         sprintf(infotext, "Level position: %d, %d", lx, ly);
13777     }
13778
13779     /* misuse this function to draw brush cursor, if needed */
13780     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13781     {
13782       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13783         CopyBrushToCursor(sx, sy);
13784       else
13785         DeleteBrushFromCursor();
13786     }
13787   }
13788   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13789   {
13790     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13791     int element = drawingarea_info[type_id].value[pos];
13792
13793     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13794   }
13795   else
13796   {
13797     if (id == GADGET_ID_CUSTOM_CONTENT)
13798       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13799     else if (id == GADGET_ID_GROUP_CONTENT)
13800       sprintf(infotext, "group element position: %d", sx + 1);
13801     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13802              id <= GADGET_ID_YAMYAM_CONTENT_7)
13803       sprintf(infotext, "content area %d position: %d, %d",
13804               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13805     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13806              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13807       sprintf(infotext, "content area %d position: %d, %d",
13808               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13809     else if (id == GADGET_ID_ANDROID_CONTENT)
13810       sprintf(infotext, "android element position: %d", sx + 1);
13811     else if (drawingarea_info[type_id].infotext != NULL)
13812       strcpy(infotext, drawingarea_info[type_id].infotext);
13813   }
13814
13815   infotext[max_infotext_len] = '\0';
13816
13817   if (strlen(infotext) > 0)
13818     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13819 }
13820
13821 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13822                             boolean quick_quit)
13823 {
13824   if (!ask_if_level_has_changed ||
13825       !LevelChanged() ||
13826       Request("Level has changed! Exit without saving?",
13827               REQ_ASK | REQ_STAY_OPEN))
13828   {
13829     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13830     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13831
13832     /* draw normal door */
13833     UndrawSpecialEditorDoor();
13834
13835     // close editor doors if viewport definition is the same as in main menu
13836     if (vp_door_1->x      == DX     &&
13837         vp_door_1->y      == DY     &&
13838         vp_door_1->width  == DXSIZE &&
13839         vp_door_1->height == DYSIZE &&
13840         vp_door_2->x      == VX     &&
13841         vp_door_2->y      == VY     &&
13842         vp_door_2->width  == VXSIZE &&
13843         vp_door_2->height == VYSIZE)
13844       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13845     else
13846       SetDoorState(DOOR_CLOSE_2);
13847
13848     BackToFront();
13849
13850     if (quick_quit)
13851       FadeSkipNextFadeIn();
13852
13853     SetGameStatus(GAME_MODE_MAIN);
13854
13855     DrawMainMenu();
13856   }
13857   else
13858   {
13859     if (!global.use_envelope_request)
13860     {
13861       CloseDoor(DOOR_CLOSE_1);
13862       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
13863     }
13864   }
13865 }