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_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 427 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 428 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 429 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 430 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 431 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 432 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 433 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 434 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 435 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 436 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 437 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 438 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 439 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 440 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 441 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 442 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 443 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 444 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 445 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 446 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 447 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 448 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 449 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 450 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 451 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 452 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 453 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 454 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 455 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 456 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 457 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 458 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 459 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 460 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 461 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 462 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 463 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 464 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 465 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 466 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 467 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 468 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 469 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 470 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 471 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 472 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 473 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 474 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 475 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 476 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 477 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 478 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 479 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 480 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 481 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 482 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 483 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 484 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 485 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 486 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 487 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 488 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 489 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 490 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 491 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 492 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 493 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 494 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 495 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 496 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 497 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 498 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 499 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 500 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 501 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 502 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 503 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 504
 505 /* drawing area identifiers */
 506 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 507
 508 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 509 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 510 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 511 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 512 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 513 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 514 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 515 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 516 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 517 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 518 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 519 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 520 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 521 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 522 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 523 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 525 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 526 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 527 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 528 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 529 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 530 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 531 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 532 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 533 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 534 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 535 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 536 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 537 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 538 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 539 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 540 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 541
 542 /* text input identifiers */
 543 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 544
 545 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 546 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 547 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 548
 549 /* text area identifiers */
 550 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 551
 552 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 553
 554 /* selectbox identifiers */
 555 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 556
 557 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 558 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 559 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 560 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 561 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 562 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 563 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 564 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 565 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 566 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 567 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 568 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 569 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 570 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 571 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 572 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 573 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 574 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 575 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 576 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 577 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 578 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 579 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 580 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 581 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 582 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 583 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 584 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 585 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 586
 587 /* textbutton identifiers */
 588 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 589
 590 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 591 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 592 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 593 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 594 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 595 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 596 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 597 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 7)
 598 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 599 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 600 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 10)
 601
 602 /* graphicbutton identifiers */
 603 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 11)
 604
 605 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 606 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 607 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 608 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 609
 610 /* gadgets for scrolling of drawing area */
 611 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 612
 613 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 614 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 615 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 616 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 617 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 618 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 619
 620 /* gadgets for scrolling element list */
 621 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 622
 623 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 624 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 625 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 626
 627 /* checkbuttons/radiobuttons for level/element properties */
 628 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 629
 630 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 631 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 632 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 633 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 634 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 635 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 636 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 637 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 638 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 639 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 640 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 641 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 642 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 643 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 644 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 645 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 646 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 647 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 648 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 649 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 650 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 651 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 652 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 653 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 654 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 655 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 656 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 657 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 658 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 659 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 660 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 661 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 662 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 663 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 664 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 665 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 666 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 667 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 668 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 669 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 670 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 671 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 672 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 673 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 674 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 675 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 676 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 677 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 678 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 679 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 680 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 681 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 682 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 683 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 684 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 685 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 686 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 687 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 688 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 689 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 690 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 691 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 692 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 693 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 694
 695 /* gadgets for buttons in element list */
 696 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 697 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 698                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 699
 700 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 701
 702 /* radio button numbers */
 703 #define RADIO_NR_NONE                   0
 704 #define RADIO_NR_DRAWING_TOOLBOX        1
 705 #define RADIO_NR_RANDOM_ELEMENTS        2
 706
 707 /* values for counter gadgets */
 708 #define ED_COUNTER_ID_SELECT_LEVEL      0
 709 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 710 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 711 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 712 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 713 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 714 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 715 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 716 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 717 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 718 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 719 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 720 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 721 #define ED_COUNTER_ID_BALL_CONTENT      13
 722 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 723 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 724 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 725 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 726 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 727 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 728 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 729 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 730 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 731 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 732 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 733 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 734 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 735 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 736 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 737 #define ED_COUNTER_ID_IGNITION_DELAY    29
 738 #define ED_COUNTER_ID_GROUP_CONTENT     30
 739 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 740 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 741 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 742
 743 #define ED_NUM_COUNTERBUTTONS           34
 744
 745 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 746 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 747 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 748 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 749
 750 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 751 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 752 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 753 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 754 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 755 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 756
 757 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 758 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 759
 760 /* values for scrollbutton gadgets */
 761 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 762 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 763 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 764 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 765 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 766 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 767
 768 #define ED_NUM_SCROLLBUTTONS            6
 769
 770 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 771 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 772
 773 /* values for scrollbar gadgets */
 774 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 775 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 776 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 777
 778 #define ED_NUM_SCROLLBARS               3
 779
 780 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 781 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 782
 783 /* values for text input gadgets */
 784 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 785 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 786 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 787
 788 #define ED_NUM_TEXTINPUT                3
 789
 790 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 791 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 792
 793 /* values for text area gadgets */
 794 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 795
 796 #define ED_NUM_TEXTAREAS                        1
 797
 798 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 799 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 800
 801 /* values for selectbox gadgets */
 802 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 803 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 804 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 805 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 806 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 807 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 808 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 809 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 810 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 811 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 812 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 813 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 814 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 815 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 816 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 817 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 818 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 819 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 820 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 821 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 822 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 823 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 824 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 825 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 826 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 827 #define ED_SELECTBOX_ID_ACTION_MODE             25
 828 #define ED_SELECTBOX_ID_ACTION_ARG              26
 829 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 830 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 831
 832 #define ED_NUM_SELECTBOX                        29
 833
 834 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 835 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 836
 837 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 838 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 839 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 840 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 841 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 842 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 843
 844 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 845 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 846
 847 /* values for textbutton gadgets */
 848 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 849 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 850 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 851 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 852 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 853 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 854 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 855 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     7
 856 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     8
 857 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        9
 858 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        10
 859
 860 #define ED_NUM_TEXTBUTTONS                      11
 861
 862 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 863 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 864
 865 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 866 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 867
 868 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 869 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 870
 871 /* values for graphicbutton gadgets */
 872 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 873 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 874 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 875 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 876
 877 #define ED_NUM_GRAPHICBUTTONS                   4
 878
 879 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 880 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 881
 882 /* values for checkbutton gadgets */
 883 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 884 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 885 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 886 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 887 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 888 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 889 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 890 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 891 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 892 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 893 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 894 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 895 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 896 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 897 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 898 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 899 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 900 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 901 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 902 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 903 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 904 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 905 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 906 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 907 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 908 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 909 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 910 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 911 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 912 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 913 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 914 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 915 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 916 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 917 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 918 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 919 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 920 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 921 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 922 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 923 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 924 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 925 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 926 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 927 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 928 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 929 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 930 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 931 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 932 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 933 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 934 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 935 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 936 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 937 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 938 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 939 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 940 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 941 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 942 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 943 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 944 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 945
 946 #define ED_NUM_CHECKBUTTONS                     62
 947
 948 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 949 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 950
 951 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 952 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 953
 954 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 955 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 956 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 957 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 958 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 959 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 960
 961 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 962 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 963
 964 /* values for radiobutton gadgets */
 965 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 966 #define ED_RADIOBUTTON_ID_QUANTITY      1
 967
 968 #define ED_NUM_RADIOBUTTONS             2
 969
 970 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 971 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 972
 973 /* values for drawing area gadgets */
 974 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 975 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 976 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 977 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 978 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 979 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 980 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 981 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 982 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 983 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 984 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 985 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 986 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 987 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 988 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 989 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 990 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 991 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 992 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 993 #define ED_DRAWING_ID_START_ELEMENT             19
 994 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 995 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 996 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 997 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 998 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 999 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1000 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1001 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1002 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1003 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1004 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1005 #define ED_DRAWING_ID_GROUP_CONTENT             31
1006 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1007
1008 #define ED_NUM_DRAWING_AREAS                    33
1009
1010 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1011 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1012
1013
1014 /*
1015   -----------------------------------------------------------------------------
1016   some internally used definitions
1017   -----------------------------------------------------------------------------
1018 */
1019
1020 /* values for CopyLevelToUndoBuffer() */
1021 #define UNDO_IMMEDIATE                  0
1022 #define UNDO_ACCUMULATE                 1
1023
1024 /* values for scrollbars */
1025 #define ED_SCROLL_NO                    0
1026 #define ED_SCROLL_LEFT                  1
1027 #define ED_SCROLL_RIGHT                 2
1028 #define ED_SCROLL_UP                    4
1029 #define ED_SCROLL_DOWN                  8
1030
1031 /* screens in the level editor */
1032 #define ED_MODE_DRAWING                 0
1033 #define ED_MODE_INFO                    1
1034 #define ED_MODE_PROPERTIES              2
1035 #define ED_MODE_PALETTE                 3
1036
1037 /* sub-screens in the global settings section */
1038 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1039 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1040
1041 /* sub-screens in the element properties section */
1042 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1043 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1044 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1045 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1046 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1047
1048 /* how many steps can be cancelled */
1049 #define NUM_UNDO_STEPS                  (64 + 1)
1050
1051 /* values for elements with score for certain actions */
1052 #define MIN_SCORE                       0
1053 #define MAX_SCORE                       999
1054
1055 /* values for elements with count for collecting */
1056 #define MIN_COLLECT_COUNT               0
1057 #define MAX_COLLECT_COUNT               999
1058
1059 /* values for random placement */
1060 #define RANDOM_USE_PERCENTAGE           0
1061 #define RANDOM_USE_QUANTITY             1
1062
1063 /* default value for element tile size in drawing area */
1064 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1065
1066
1067 /*
1068   -----------------------------------------------------------------------------
1069   some internally used data structure definitions
1070   -----------------------------------------------------------------------------
1071 */
1072
1073 static struct
1074 {
1075   int graphic;
1076   int gadget_id;
1077   struct XYTileSize *pos;
1078   int gadget_type;
1079   char *infotext;
1080   char shortcut;
1081 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1082 {
1083   /* note: some additional characters are already reserved for "cheat mode"
1084      shortcuts (":XYZ" style) -- for details, see "events.c" */
1085
1086   /* ---------- toolbox control buttons ------------------------------------ */
1087
1088   {
1089     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1090     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1091     "draw single items",                        's'
1092   },
1093   {
1094     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1095     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1096     "draw connected items",                     'd'
1097   },
1098   {
1099     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1100     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1101     "draw lines",                               'l'
1102   },
1103   {
1104     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1105     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1106     "draw arcs",                                'a'
1107   },
1108   {
1109     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1110     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1111     "draw outline rectangles",                  'r'
1112   },
1113   {
1114     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1115     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1116     "draw filled rectangles",                   'R'
1117   },
1118   {
1119     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1120     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1121     "wrap (rotate) level up",                   0
1122   },
1123   {
1124     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1125     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1126     "enter text elements",                      't'
1127   },
1128   {
1129     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1130     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1131     "flood fill",                               'f'
1132   },
1133   {
1134     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1135     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1136     "wrap (rotate) level left",                 0
1137   },
1138   {
1139     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1140     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1141     "zoom level tile size",                     '+'
1142   },
1143   {
1144     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1145     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1146     "wrap (rotate) level right",                0
1147   },
1148   {
1149     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1150     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1151     "random element placement",                 0
1152   },
1153   {
1154     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1155     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1156     "grab brush",                               'b'
1157   },
1158   {
1159     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1160     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1161     "wrap (rotate) level down",                 0
1162   },
1163   {
1164     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1165     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1166     "pick drawing element",                     ','
1167   },
1168
1169   /* ---------- level control buttons -------------------------------------- */
1170
1171   {
1172     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1173     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1174     "undo/redo last operation",                 'u'
1175   },
1176   {
1177     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1178     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1179     "properties of level",                      'I'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1183     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1184     "save level",                               'S'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1188     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1189     "clear level",                              'C'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1193     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1194     "test level",                               'T'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1198     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1199     "exit level editor",                        'E'
1200   },
1201
1202   /* ---------- CE and GE control buttons ---------------------------------- */
1203
1204   {
1205     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1206     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1207     "copy settings from other element",         0
1208   },
1209   {
1210     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1211     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1212     "copy settings to other element",           0
1213   },
1214   {
1215     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1216     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1217     "exchange element with other element",      0
1218   },
1219   {
1220     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1221     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1222     "copy settings from this element",          0
1223   },
1224   {
1225     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1226     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1227     "paste settings to this element",           0
1228   },
1229
1230   /* ---------- palette control buttons ------------------------------------ */
1231
1232   {
1233     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1234     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1235     "properties of drawing element",            'p'
1236   },
1237   {
1238     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1239     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1240     "properties of drawing element 1",          '1'
1241   },
1242   {
1243     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1244     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1245     "properties of drawing element 2",          '2'
1246   },
1247   {
1248     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1249     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1250     "properties of drawing element 3",          '3'
1251   },
1252   {
1253     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1254     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1255     "show list of elements",                    'e'
1256   }
1257 };
1258
1259 static int random_placement_value = 10;
1260 static int random_placement_method = RANDOM_USE_QUANTITY;
1261 static int random_placement_background_element = EL_SAND;
1262 static boolean random_placement_background_restricted = FALSE;
1263 static boolean stick_element_properties_window = FALSE;
1264 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1265 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1266 static struct ElementChangeInfo custom_element_change;
1267 static struct ElementGroupInfo group_element_info;
1268 static struct ElementInfo custom_element;
1269
1270 static struct
1271 {
1272   int x, y;
1273   int min_value, max_value;
1274   int gadget_id_down, gadget_id_up;
1275   int gadget_id_text;
1276   int gadget_id_align;
1277   int *value;
1278   char *text_above, *text_left, *text_right;
1279 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1280 {
1281   /* ---------- current level number --------------------------------------- */
1282
1283   {
1284     -1, -1,     /* these values are not constant, but can change at runtime */
1285     1,                                  100,
1286     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1287     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1288     &level_nr,
1289     NULL,                               NULL, NULL
1290   },
1291
1292   /* ---------- level and editor settings ---------------------------------- */
1293
1294   {
1295     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1296     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1297     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1298     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1299     &level.fieldx,
1300     "playfield size:",                  NULL, "width",
1301   },
1302   {
1303     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1304     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1305     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1306     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1307     &level.fieldy,
1308     NULL,                               " ", "height",
1309   },
1310   {
1311     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1312     0,                                  999,
1313     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1314     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1315     &level.gems_needed,
1316     NULL,                               "number of gems to collect:", NULL
1317   },
1318   {
1319     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1320     0,                                  9999,
1321     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1322     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1323     &level.time,
1324     "time or step limit to solve level:", NULL, NULL
1325   },
1326   {
1327     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1328     0,                                  999,
1329     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1330     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1331     &level.score[SC_TIME_BONUS],
1332     "score for each second/step left:", NULL, NULL
1333   },
1334   {
1335     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1336     0,                                  9999,
1337     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1338     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1339     &level.random_seed,
1340     NULL,                               "random seed:", "(0 => random)"
1341   },
1342   {
1343     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1344     1,                                  100,
1345     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1346     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1347     &random_placement_value,
1348     "random element placement:",        NULL, "in"
1349   },
1350
1351   /* ---------- element settings: configure (various elements) ------------- */
1352
1353   {
1354     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1355     MIN_SCORE,                          MAX_SCORE,
1356     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1357     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1358     NULL,                               /* will be set when used */
1359     NULL,                               NULL, NULL
1360   },
1361   {
1362     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1363     MIN_SCORE,                          MAX_SCORE,
1364     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1365     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1366     NULL,                               /* will be set when used */
1367     NULL,                               NULL, NULL
1368   },
1369   {
1370     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1371     MIN_SCORE,                          MAX_SCORE,
1372     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1373     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1374     NULL,                               /* will be set when used */
1375     NULL,                               NULL, NULL
1376   },
1377   {
1378     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1379     MIN_SCORE,                          MAX_SCORE,
1380     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1381     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1382     NULL,                               /* will be set when used */
1383     NULL,                               NULL, NULL
1384   },
1385   {
1386     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1387     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1388     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1389     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1390     &level.num_yamyam_contents,
1391     NULL,                               NULL, "number of content areas"
1392   },
1393   {
1394     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1395     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1396     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1397     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1398     &level.num_ball_contents,
1399     NULL,                               NULL, "number of content areas"
1400   },
1401   {
1402     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1403     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1404     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1405     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1406     &level.num_android_clone_elements,
1407     NULL,                               NULL, "number of clonable elements"
1408   },
1409   {
1410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1411     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1412     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1413     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1414     NULL,                               /* will be set when used */
1415     NULL,                               NULL, "width",
1416   },
1417   {
1418     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1419     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1420     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1421     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1422     NULL,                               /* will be set when used */
1423     NULL,                               " ", "height",
1424   },
1425   {
1426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1427     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1428     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1429     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1430     &level.initial_inventory_size[0],
1431     NULL,                               NULL, "number of inventory elements"
1432   },
1433
1434   /* ---------- element settings: configure 1 (custom elements) ------------ */
1435
1436   {
1437     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1438     MIN_SCORE,                          MAX_SCORE,
1439     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1440     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1441     &custom_element.collect_score_initial,
1442     NULL,                               "CE score", " "
1443   },
1444   {
1445     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1446     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1447     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1448     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1449     &custom_element.collect_count_initial,
1450     NULL,                               "CE count", NULL
1451   },
1452   {
1453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1454     0,                                  9999,
1455     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1456     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1457     &custom_element.ce_value_fixed_initial,
1458     NULL,                               "CE value", NULL
1459   },
1460   {
1461     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1462     0,                                  9999,
1463     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1464     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1465     &custom_element.ce_value_random_initial,
1466     NULL,                               "+random", NULL
1467   },
1468   {
1469     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1470     0,                                  999,
1471     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1472     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1473     &custom_element.push_delay_fixed,
1474     NULL,                               "push delay", NULL
1475   },
1476   {
1477     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1478     0,                                  999,
1479     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1480     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1481     &custom_element.push_delay_random,
1482     NULL,                               "+random", NULL
1483   },
1484   {
1485     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1486     0,                                  999,
1487     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1488     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1489     &custom_element.drop_delay_fixed,
1490     NULL,                               "drop delay", NULL
1491   },
1492   {
1493     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1494     0,                                  999,
1495     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1496     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1497     &custom_element.drop_delay_random,
1498     NULL,                               "+random", NULL
1499   },
1500
1501   /* ---------- element settings: configure 2 (custom elements) ------------ */
1502
1503   {
1504     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1505     0,                                  999,
1506     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1507     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1508     &custom_element.move_delay_fixed,
1509     NULL,                               "move delay", NULL
1510   },
1511   {
1512     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1513     0,                                  999,
1514     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1515     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1516     &custom_element.move_delay_random,
1517     NULL,                               "+random", NULL
1518   },
1519   {
1520     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1521     0,                                  999,
1522     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1523     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1524     &custom_element.explosion_delay,
1525     NULL,                               "explosion delay", NULL
1526   },
1527   {
1528     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1529     0,                                  999,
1530     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1531     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1532     &custom_element.ignition_delay,
1533     NULL,                               "ignition delay", "(by fire)"
1534   },
1535
1536   /* ---------- element settings: configure (group elements) --------------- */
1537
1538   {
1539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1540     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1541     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1542     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1543     &group_element_info.num_elements,
1544     NULL,                               NULL, "number of elements in group"
1545   },
1546
1547   /* ---------- element settings: advanced (custom elements) --------------- */
1548
1549   {
1550     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1551     0,                                  999,
1552     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1553     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1554     &custom_element_change.delay_fixed,
1555     NULL,                               "CE delay", NULL,
1556   },
1557   {
1558     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1559     0,                                  999,
1560     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1561     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1562     &custom_element_change.delay_random,
1563     NULL,                               "+random", NULL
1564   },
1565   {
1566     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1567     0,                                  100,
1568     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1569     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1570     &custom_element_change.random_percentage,
1571     NULL,                               "use random replace:", "%"
1572   },
1573 };
1574
1575 static struct
1576 {
1577   int x, y;
1578   int gadget_id;
1579   int size;
1580   char *value;
1581   char *text_above, *infotext;
1582 } textinput_info[ED_NUM_TEXTINPUT] =
1583 {
1584   {
1585     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1586     GADGET_ID_LEVEL_NAME,
1587     MAX_LEVEL_NAME_LEN,
1588     level.name,
1589     "Title:", "Title"
1590   },
1591   {
1592     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1593     GADGET_ID_LEVEL_AUTHOR,
1594     MAX_LEVEL_AUTHOR_LEN,
1595     level.author,
1596     "Author:", "Author"
1597   },
1598   {
1599     -1, -1,     /* these values are not constant, but can change at runtime */
1600     GADGET_ID_ELEMENT_NAME,
1601     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1602     custom_element.description,
1603     NULL, "Element name"
1604   }
1605 };
1606
1607 static struct
1608 {
1609   int x, y;
1610   int gadget_id;
1611   int xsize, ysize;
1612   char *value;
1613   char *text_above, *infotext;
1614 } textarea_info[ED_NUM_TEXTAREAS] =
1615 {
1616   {
1617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1618     GADGET_ID_ENVELOPE_INFO,
1619     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1620     NULL,
1621     "Envelope Content:", "Envelope Content"
1622   }
1623 };
1624
1625 static struct ValueTextInfo options_time_or_steps[] =
1626 {
1627   { 0,                          "seconds"                       },
1628   { 1,                          "steps"                         },
1629
1630   { -1,                         NULL                            }
1631 };
1632
1633 static struct ValueTextInfo options_game_engine_type[] =
1634 {
1635   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1636   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1637   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1638   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1639
1640   { -1,                         NULL                            }
1641 };
1642
1643 static struct ValueTextInfo options_wind_direction[] =
1644 {
1645   { MV_START_NONE,              "none"                          },
1646   { MV_START_LEFT,              "left"                          },
1647   { MV_START_RIGHT,             "right"                         },
1648   { MV_START_UP,                "up"                            },
1649   { MV_START_DOWN,              "down"                          },
1650
1651   { -1,                         NULL                            }
1652 };
1653
1654 static struct ValueTextInfo options_player_speed[] =
1655 {
1656   { 0,                          "frozen"                        },
1657   { 1,                          "very slow"                     },
1658   { 2,                          "slow"                          },
1659   { 4,                          "normal"                        },
1660   { 8,                          "fast"                          },
1661   { 16,                         "very fast"                     },
1662   { 32,                         "ultrafast"                     },
1663
1664   { -1,                         NULL                            }
1665 };
1666
1667 static struct ValueTextInfo options_access_type[] =
1668 {
1669   { EP_WALKABLE,                "walkable"                      },
1670   { EP_PASSABLE,                "passable"                      },
1671
1672   { -1,                         NULL                            }
1673 };
1674
1675 static struct ValueTextInfo options_access_layer[] =
1676 {
1677   { EP_ACCESSIBLE_OVER,         "over"                          },
1678   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1679   { EP_ACCESSIBLE_UNDER,        "under"                         },
1680
1681   { -1,                         NULL                            }
1682 };
1683
1684 static struct ValueTextInfo options_access_protected[] =
1685 {
1686   { 0,                          "unprotected"                   },
1687   { 1,                          "protected"                     },
1688
1689   { -1,                         NULL                            }
1690 };
1691
1692 static struct ValueTextInfo options_access_direction[] =
1693 {
1694   { MV_NO_DIRECTION,            "no direction"                  },
1695   { MV_LEFT,                    "left"                          },
1696   { MV_RIGHT,                   "right"                         },
1697   { MV_UP,                      "up"                            },
1698   { MV_DOWN,                    "down"                          },
1699   { MV_LEFT  | MV_UP,           "left + up"                     },
1700   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1701   { MV_RIGHT | MV_UP,           "right + up"                    },
1702   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1703   { MV_HORIZONTAL,              "horizontal"                    },
1704   { MV_VERTICAL,                "vertical"                      },
1705   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1706   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1707   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1708   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1709   { MV_ALL_DIRECTIONS,          "all directions"                },
1710
1711   { -1,                         NULL                            }
1712 };
1713
1714 static struct ValueTextInfo options_walk_to_action[] =
1715 {
1716   { EP_DIGGABLE,                "diggable"                      },
1717   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1718   { EP_DROPPABLE,               "collectible & droppable"       },
1719   { EP_THROWABLE,               "collectible & throwable"       },
1720   { EP_PUSHABLE,                "pushable"                      },
1721
1722   { -1,                         NULL                            }
1723 };
1724
1725 static struct ValueTextInfo options_move_pattern[] =
1726 {
1727   { MV_LEFT,                    "left"                          },
1728   { MV_RIGHT,                   "right"                         },
1729   { MV_UP,                      "up"                            },
1730   { MV_DOWN,                    "down"                          },
1731   { MV_HORIZONTAL,              "horizontal"                    },
1732   { MV_VERTICAL,                "vertical"                      },
1733   { MV_ALL_DIRECTIONS,          "all directions"                },
1734   { MV_WIND_DIRECTION,          "wind direction"                },
1735   { MV_TOWARDS_PLAYER,          "towards player"                },
1736   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1737   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1738   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1739   { MV_TURNING_LEFT,            "turning left"                  },
1740   { MV_TURNING_RIGHT,           "turning right"                 },
1741   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1742   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1743   { MV_TURNING_RANDOM,          "turning random"                },
1744   { MV_MAZE_RUNNER,             "maze runner style"             },
1745   { MV_MAZE_HUNTER,             "maze hunter style"             },
1746   { MV_WHEN_PUSHED,             "when pushed"                   },
1747   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1748
1749   { -1,                         NULL                            }
1750 };
1751
1752 static struct ValueTextInfo options_move_direction[] =
1753 {
1754   { MV_START_AUTOMATIC,         "automatic"                     },
1755   { MV_START_LEFT,              "left"                          },
1756   { MV_START_RIGHT,             "right"                         },
1757   { MV_START_UP,                "up"                            },
1758   { MV_START_DOWN,              "down"                          },
1759   { MV_START_RANDOM,            "random"                        },
1760   { MV_START_PREVIOUS,          "previous"                      },
1761
1762   { -1,                         NULL                            }
1763 };
1764
1765 static struct ValueTextInfo options_move_stepsize[] =
1766 {
1767   { 0,                          "not moving"                    },
1768   { 1,                          "very slow"                     },
1769   { 2,                          "slow"                          },
1770   { 4,                          "normal"                        },
1771   { 8,                          "fast"                          },
1772   { 16,                         "very fast"                     },
1773   { 32,                         "even faster"                   },
1774
1775   { -1,                         NULL                            }
1776 };
1777
1778 static struct ValueTextInfo options_move_leave_type[] =
1779 {
1780   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1781   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1782
1783   { -1,                         NULL                            }
1784 };
1785
1786 static struct ValueTextInfo options_smash_targets[] =
1787 {
1788   { EP_CAN_SMASH_PLAYER,        "player"                        },
1789 #if 0
1790   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1791 #endif
1792   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1793
1794   { -1,                         NULL                            }
1795 };
1796
1797 static struct ValueTextInfo options_slippery_type[] =
1798 {
1799   { SLIPPERY_ANY_RANDOM,        "random"                        },
1800   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1801   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1802   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1803   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_deadliness[] =
1809 {
1810   { EP_DONT_RUN_INTO,           "running into"                  },
1811   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1812   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1813   { EP_DONT_TOUCH,              "touching"                      },
1814
1815   { -1,                         NULL                            }
1816 };
1817
1818 static struct ValueTextInfo options_explosion_type[] =
1819 {
1820   { EXPLODES_3X3,               "3x3"                           },
1821   { EXPLODES_CROSS,             "3+3"                           },
1822   { EXPLODES_1X1,               "1x1"                           },
1823
1824   { -1,                         NULL                            }
1825 };
1826
1827 static struct ValueTextInfo options_time_units[] =
1828 {
1829   { 1,                          "frames"                        },
1830   { FRAMES_PER_SECOND,          "seconds"                       },
1831
1832   { -1,                         NULL                            }
1833 };
1834
1835 static struct ValueTextInfo options_change_direct_action[] =
1836 {
1837   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1838   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1839   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1840   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1841   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1842   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1843   { CE_LEFT_BY_PLAYER,          "left by player"                },
1844   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1845   { CE_SWITCHED,                "switched"                      },
1846   { CE_HITTING_SOMETHING,       "hitting something"             },
1847   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1848 #if 0
1849   { CE_BLOCKED,                 "blocked"                       },
1850 #endif
1851   { CE_IMPACT,                  "impact (on something)"         },
1852   { CE_SMASHED,                 "smashed (from above)"          },
1853 #if 0
1854   { CE_VALUE_CHANGES,           "CE value changes"              },
1855   { CE_SCORE_CHANGES,           "CE score changes"              },
1856 #endif
1857   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1858   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_change_other_action[] =
1864 {
1865   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1866   { CE_PLAYER_PRESSES_X,        "player presses"                },
1867   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1868   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1869   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1870   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1871   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1872   { CE_PLAYER_DIGS_X,           "player digs"                   },
1873   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1874   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1875   { CE_TOUCHING_X,              "touching"                      },
1876   { CE_HITTING_X,               "hitting"                       },
1877   { CE_DIGGING_X,               "digging"                       },
1878   { CE_HIT_BY_X,                "hit by"                        },
1879   { CE_SWITCH_OF_X,             "switch of"                     },
1880   { CE_CHANGE_OF_X,             "change by page of"             },
1881   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1882   { CE_MOVE_OF_X,               "move of"                       },
1883   { CE_CREATION_OF_X,           "creation of"                   },
1884   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1885   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1886   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1887   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1888
1889   { -1,                         NULL                            }
1890 };
1891
1892 static struct ValueTextInfo options_change_trigger_side[] =
1893 {
1894   { CH_SIDE_LEFT,               "left"                          },
1895   { CH_SIDE_RIGHT,              "right"                         },
1896   { CH_SIDE_TOP,                "top"                           },
1897   { CH_SIDE_BOTTOM,             "bottom"                        },
1898   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1899   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1900   { CH_SIDE_ANY,                "any"                           },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_change_trigger_player[] =
1906 {
1907   { CH_PLAYER_1,                "1"                             },
1908   { CH_PLAYER_2,                "2"                             },
1909   { CH_PLAYER_3,                "3"                             },
1910   { CH_PLAYER_4,                "4"                             },
1911   { CH_PLAYER_ANY,              "any"                           },
1912
1913   { -1,                         NULL                            }
1914 };
1915
1916 static struct ValueTextInfo options_change_trigger_page[] =
1917 {
1918   { (1 << 0),                   "1"                             },
1919   { (1 << 1),                   "2"                             },
1920   { (1 << 2),                   "3"                             },
1921   { (1 << 3),                   "4"                             },
1922   { (1 << 4),                   "5"                             },
1923   { (1 << 5),                   "6"                             },
1924   { (1 << 6),                   "7"                             },
1925   { (1 << 7),                   "8"                             },
1926   { (1 << 8),                   "9"                             },
1927   { (1 << 9),                   "10"                            },
1928   { (1 << 10),                  "11"                            },
1929   { (1 << 11),                  "12"                            },
1930   { (1 << 12),                  "13"                            },
1931   { (1 << 13),                  "14"                            },
1932   { (1 << 14),                  "15"                            },
1933   { (1 << 15),                  "16"                            },
1934   { (1 << 16),                  "17"                            },
1935   { (1 << 17),                  "18"                            },
1936   { (1 << 18),                  "19"                            },
1937   { (1 << 19),                  "20"                            },
1938   { (1 << 20),                  "21"                            },
1939   { (1 << 21),                  "22"                            },
1940   { (1 << 22),                  "23"                            },
1941   { (1 << 23),                  "24"                            },
1942   { (1 << 24),                  "25"                            },
1943   { (1 << 25),                  "26"                            },
1944   { (1 << 26),                  "27"                            },
1945   { (1 << 27),                  "28"                            },
1946   { (1 << 28),                  "29"                            },
1947   { (1 << 29),                  "30"                            },
1948   { (1 << 30),                  "31"                            },
1949   { (1 << 31),                  "32"                            },
1950   { CH_PAGE_ANY,                "any"                           },
1951
1952   { -1,                         NULL                            }
1953 };
1954
1955 static struct ValueTextInfo options_change_replace_when[] =
1956 {
1957   { CP_WHEN_EMPTY,              "empty"                         },
1958   { CP_WHEN_WALKABLE,           "walkable"                      },
1959   { CP_WHEN_DIGGABLE,           "diggable"                      },
1960   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1961   { CP_WHEN_REMOVABLE,          "removable"                     },
1962   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_action_type[] =
1968 {
1969   { CA_NO_ACTION,               "no action"                     },
1970   { CA_UNDEFINED,               " "                             },
1971   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1972   { CA_RESTART_LEVEL,           "restart level"                 },
1973   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1974   { CA_SET_LEVEL_TIME,          "set time"                      },
1975   { CA_SET_LEVEL_SCORE,         "set score"                     },
1976   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1977   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1978   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1979   { CA_UNDEFINED,               " "                             },
1980   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1981   { CA_MOVE_PLAYER,             "move player"                   },
1982   { CA_EXIT_PLAYER,             "exit player"                   },
1983   { CA_KILL_PLAYER,             "kill player"                   },
1984   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1985   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1986   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1987   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1988   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1989   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1990   { CA_UNDEFINED,               " "                             },
1991   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1992   { CA_SET_CE_VALUE,            "set CE value"                  },
1993   { CA_SET_CE_SCORE,            "set CE score"                  },
1994   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1995   { CA_UNDEFINED,               " "                             },
1996   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1997   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1998
1999   { -1,                         NULL                            }
2000 };
2001
2002 static struct ValueTextInfo options_action_mode_none[] =
2003 {
2004   { CA_MODE_UNDEFINED,          " "                             },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_action_mode_assign[] =
2010 {
2011   { CA_MODE_SET,                "="                             },
2012
2013   { -1,                         NULL                            }
2014 };
2015
2016 static struct ValueTextInfo options_action_mode_add_remove[] =
2017 {
2018   { CA_MODE_ADD,                "+"                             },
2019   { CA_MODE_SUBTRACT,           "-"                             },
2020
2021   { -1,                         NULL                            }
2022 };
2023
2024 static struct ValueTextInfo options_action_mode_calculate[] =
2025 {
2026   { CA_MODE_SET,                "="                             },
2027   { CA_MODE_ADD,                "+"                             },
2028   { CA_MODE_SUBTRACT,           "-"                             },
2029   { CA_MODE_MULTIPLY,           "*"                             },
2030   { CA_MODE_DIVIDE,             "/"                             },
2031   { CA_MODE_MODULO,             "%"                             },
2032
2033   { -1,                         NULL                            }
2034 };
2035
2036 static struct ValueTextInfo options_action_arg_none[] =
2037 {
2038   { CA_ARG_UNDEFINED,           "         "                     },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_action_arg_player[] =
2044 {
2045   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2046   { CA_ARG_PLAYER_1,            "1"                             },
2047   { CA_ARG_PLAYER_2,            "2"                             },
2048   { CA_ARG_PLAYER_3,            "3"                             },
2049   { CA_ARG_PLAYER_4,            "4"                             },
2050   { CA_ARG_PLAYER_ANY,          "any"                           },
2051   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2052   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2053
2054   { -1,                         NULL                            }
2055 };
2056
2057 static struct ValueTextInfo options_action_arg_number[] =
2058 {
2059   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2060   { CA_ARG_0,                   "0"                             },
2061   { CA_ARG_1,                   "1"                             },
2062   { CA_ARG_2,                   "2"                             },
2063   { CA_ARG_3,                   "3"                             },
2064   { CA_ARG_4,                   "4"                             },
2065   { CA_ARG_5,                   "5"                             },
2066   { CA_ARG_10,                  "10"                            },
2067   { CA_ARG_100,                 "100"                           },
2068   { CA_ARG_1000,                "1000"                          },
2069   { CA_ARG_UNDEFINED,           " "                             },
2070   { CA_ARG_NUMBER_MIN,          "min"                           },
2071   { CA_ARG_NUMBER_MAX,          "max"                           },
2072   { CA_ARG_UNDEFINED,           " "                             },
2073   { CA_ARG_NUMBER_RESET,        "reset"                         },
2074   { CA_ARG_UNDEFINED,           " "                             },
2075   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2076   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2077   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2078   { CA_ARG_UNDEFINED,           " "                             },
2079   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2080   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2081   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2082   { CA_ARG_UNDEFINED,           " "                             },
2083   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2084   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2085   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2086   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2087   { CA_ARG_UNDEFINED,           " "                             },
2088   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2089   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2090   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2091   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2092
2093   { -1,                         NULL                            }
2094 };
2095
2096 static struct ValueTextInfo options_action_arg_value[] =
2097 {
2098   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2099   { CA_ARG_0,                   "0"                             },
2100   { CA_ARG_1,                   "1"                             },
2101   { CA_ARG_2,                   "2"                             },
2102   { CA_ARG_3,                   "3"                             },
2103   { CA_ARG_4,                   "4"                             },
2104   { CA_ARG_5,                   "5"                             },
2105   { CA_ARG_10,                  "10"                            },
2106   { CA_ARG_100,                 "100"                           },
2107   { CA_ARG_1000,                "1000"                          },
2108   { CA_ARG_UNDEFINED,           " "                             },
2109   { CA_ARG_NUMBER_MIN,          "min"                           },
2110   { CA_ARG_NUMBER_MAX,          "max"                           },
2111   { CA_ARG_UNDEFINED,           " "                             },
2112   { CA_ARG_NUMBER_RESET,        "reset"                         },
2113   { CA_ARG_UNDEFINED,           " "                             },
2114   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2115   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2116   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2117   { CA_ARG_UNDEFINED,           " "                             },
2118   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2119   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2120   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2121   { CA_ARG_UNDEFINED,           " "                             },
2122   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2123   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2124   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2125   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2126   { CA_ARG_UNDEFINED,           " "                             },
2127   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2128   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2129   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2130   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2131   { CA_ARG_UNDEFINED,           " "                             },
2132   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2133   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2134   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2135   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2136
2137   { -1,                         NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_action_arg_envelope[] =
2141 {
2142   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2143   { CA_ARG_1,                   "1"                             },
2144   { CA_ARG_2,                   "2"                             },
2145   { CA_ARG_3,                   "3"                             },
2146   { CA_ARG_4,                   "4"                             },
2147   { CA_ARG_UNDEFINED,           " "                             },
2148   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2149   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2150   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2151   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2152
2153   { -1,                         NULL                            }
2154 };
2155
2156 static struct ValueTextInfo options_action_arg_key[] =
2157 {
2158   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2159   { CA_ARG_1,                   "1"                             },
2160   { CA_ARG_2,                   "2"                             },
2161   { CA_ARG_3,                   "3"                             },
2162   { CA_ARG_4,                   "4"                             },
2163   { CA_ARG_5,                   "5"                             },
2164   { CA_ARG_6,                   "6"                             },
2165   { CA_ARG_7,                   "7"                             },
2166   { CA_ARG_8,                   "8"                             },
2167   { CA_ARG_UNDEFINED,           " "                             },
2168   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2169   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2170   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2171   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2172
2173   { -1,                         NULL                            }
2174 };
2175
2176 static struct ValueTextInfo options_action_arg_speed[] =
2177 {
2178   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2179   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2180   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2181   { CA_ARG_SPEED_SLOW,          "slow"                          },
2182   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2183   { CA_ARG_SPEED_FAST,          "fast"                          },
2184   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2185   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2186   { CA_ARG_UNDEFINED,           " "                             },
2187   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2188   { CA_ARG_SPEED_FASTER,        "faster"                        },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_SPEED_RESET,         "reset"                         },
2191
2192   { -1,                         NULL                            }
2193 };
2194
2195 static struct ValueTextInfo options_action_arg_shield[] =
2196 {
2197   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2198   { CA_ARG_SHIELD_OFF,          "off"                           },
2199   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2200   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_action_arg_artwork[] =
2206 {
2207   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2208   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2209   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2210   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2211   { CA_ARG_UNDEFINED,           " "                             },
2212   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2213
2214   { -1,                         NULL                            }
2215 };
2216
2217 static struct ValueTextInfo options_action_arg_gravity[] =
2218 {
2219   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2220   { CA_ARG_GRAVITY_ON,          "on"                            },
2221   { CA_ARG_GRAVITY_OFF,         "off"                           },
2222   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2223
2224   { -1,                         NULL                            }
2225 };
2226
2227 static struct ValueTextInfo options_action_arg_direction[] =
2228 {
2229   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2230   { CA_ARG_DIRECTION_NONE,      "none"                          },
2231   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2232   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2233   { CA_ARG_DIRECTION_UP,        "up"                            },
2234   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2235   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2236   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2237
2238   { -1,                         NULL                            }
2239 };
2240
2241 static struct ValueTextInfo options_action_arg_scan_mode[] =
2242 {
2243   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2244   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2245   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2246
2247   { -1,                         NULL                            }
2248 };
2249
2250 static struct ValueTextInfo options_action_arg_inventory[] =
2251 {
2252   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2253   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2254   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2255   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2256   { CA_ARG_UNDEFINED,           " "                             },
2257   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2258   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2259   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2260   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2261   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2262   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2263   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2264   { CA_ARG_UNDEFINED,           " "                             },
2265   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2266
2267   { -1,                         NULL                            }
2268 };
2269
2270 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2271 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2272 {
2273   { -1,                         NULL                            }
2274 };
2275
2276 static struct ValueTextInfo options_group_choice_mode[] =
2277 {
2278   { ANIM_RANDOM,                "random"                        },
2279   { ANIM_LOOP,                  "loop"                          },
2280   { ANIM_LINEAR,                "linear"                        },
2281   { ANIM_PINGPONG,              "pingpong"                      },
2282   { ANIM_PINGPONG2,             "pingpong 2"                    },
2283
2284   { -1,                         NULL                            }
2285 };
2286
2287 static struct ValueTextInfo *action_arg_modes[] =
2288 {
2289   options_action_mode_none,
2290   options_action_mode_assign,
2291   options_action_mode_add_remove,
2292   options_action_mode_calculate,
2293 };
2294
2295 static struct
2296 {
2297   int value;
2298   int mode;
2299   struct ValueTextInfo *options;
2300 }
2301 action_arg_options[] =
2302 {
2303   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2304   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2305   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2306   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2307   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2308   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2309   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2310   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2311   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2312   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2313   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2314   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2315   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2316   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2317   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2318   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2319   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2320   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2321   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2322   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2323   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2324
2325   { -1,                         FALSE,  NULL                            }
2326 };
2327
2328 static struct
2329 {
2330   int x, y;
2331   int gadget_id;
2332   int gadget_id_align;
2333   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2334   struct ValueTextInfo *options;
2335   int *value;
2336   char *text_above, *text_left, *text_right, *infotext;
2337 } selectbox_info[ED_NUM_SELECTBOX] =
2338 {
2339   /* ---------- level and editor settings ---------------------------------- */
2340
2341   {
2342     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2343     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2344     -1,
2345     options_time_or_steps,
2346     &level.use_step_counter,
2347     NULL, NULL, "(0 => no limit)",      "time or step limit"
2348   },
2349   {
2350     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2351     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2352     -1,
2353     options_game_engine_type,
2354     &level.game_engine_type,
2355     NULL, "game engine:", NULL,         "game engine"
2356   },
2357
2358   /* ---------- element settings: configure (several elements) ------------- */
2359
2360   {
2361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2362     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2363     -1,
2364     options_wind_direction,
2365     &level.wind_direction_initial,
2366     NULL, "initial wind direction:", NULL,      "initial wind direction"
2367   },
2368   {
2369     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2370     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2371     -1,
2372     options_player_speed,
2373     &level.initial_player_stepsize[0],
2374     NULL, "initial player speed:", NULL,        "initial player speed"
2375   },
2376
2377   /* ---------- element settings: configure 1 (custom elements) ------------ */
2378
2379   {
2380     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2381     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2382     -1,
2383     options_access_type,
2384     &custom_element.access_type,
2385     NULL, NULL, NULL,                   "type of access to this field"
2386   },
2387   {
2388     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2389     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2390     -1,
2391     options_access_layer,
2392     &custom_element.access_layer,
2393     NULL, NULL, NULL,                   "layer of access for this field"
2394   },
2395   {
2396     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2397     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2398     -1,
2399     options_access_protected,
2400     &custom_element.access_protected,
2401     NULL, NULL, NULL,                   "protected access for this field"
2402   },
2403   {
2404     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2405     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2406     -1,
2407     options_access_direction,
2408     &custom_element.access_direction,
2409     NULL, "from", NULL,                 "access direction for this field"
2410   },
2411   {
2412     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2413     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2414     -1,
2415     options_walk_to_action,
2416     &custom_element.walk_to_action,
2417     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2418   },
2419
2420   /* ---------- element settings: configure 2 (custom elements) ------------ */
2421
2422   {
2423     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2424     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2425     -1,
2426     options_move_pattern,
2427     &custom_element.move_pattern,
2428     NULL, "can move", NULL,             "element move pattern"
2429   },
2430   {
2431     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2432     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2433     -1,
2434     options_move_direction,
2435     &custom_element.move_direction_initial,
2436     NULL, "starts moving", NULL,        "initial element move direction"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2440     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2441     -1,
2442     options_move_stepsize,
2443     &custom_element.move_stepsize,
2444     NULL, "move/fall speed", NULL,      "speed of element movement"
2445   },
2446   {
2447     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2448     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2449     -1,
2450     options_move_leave_type,
2451     &custom_element.move_leave_type,
2452     // left text with leading spaces to place gadget next to "can dig" gadget
2453     // (needed because drawing area gadgets created after selectbox gadgets)
2454     // NULL, "can dig:    can", ":",    "leave behind or change element"
2455     NULL, "            can", ":",       "leave behind or change element"
2456   },
2457   {
2458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2459     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2460     -1,
2461     options_smash_targets,
2462     &custom_element.smash_targets,
2463     NULL, "can smash", NULL,            "elements that can be smashed"
2464   },
2465   {
2466     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2467     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2468     -1,
2469     options_slippery_type,
2470     &custom_element.slippery_type,
2471     NULL, "slippery", NULL,             "where other elements fall down"
2472   },
2473   {
2474     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2475     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2476     -1,
2477     options_deadliness,
2478     &custom_element.deadliness,
2479     NULL, "deadly when", NULL,          "deadliness of element"
2480   },
2481   {
2482     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2483     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2484     -1,
2485     options_explosion_type,
2486     &custom_element.explosion_type,
2487     NULL, "can explode", NULL,          "explosion type"
2488   },
2489
2490   /* ---------- element settings: advanced (custom elements) --------------- */
2491
2492   {
2493     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2494     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2495     -1,
2496     options_time_units,
2497     &custom_element_change.delay_frames,
2498     NULL, "delay time given in", NULL,  "delay time units for change"
2499   },
2500   {
2501     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2502     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2503     -1,
2504     options_change_direct_action,
2505     &custom_element_change.direct_action,
2506     NULL, NULL, NULL,                   "type of direct action"
2507   },
2508   {
2509     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2510     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2511     -1,
2512     options_change_other_action,
2513     &custom_element_change.other_action,
2514     NULL, NULL, "element:",             "type of other element action"
2515   },
2516   {
2517     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2518     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2519     -1,
2520     options_change_trigger_side,
2521     &custom_element_change.trigger_side,
2522     NULL, "at", "side",                 "element side triggering change"
2523   },
2524   {
2525     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2526     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2527     -1,
2528     options_change_trigger_player,
2529     &custom_element_change.trigger_player,
2530     NULL, "player:", " ",               "player that causes change"
2531   },
2532   {
2533     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2534     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2535     -1,
2536     options_change_trigger_page,
2537     &custom_element_change.trigger_page,
2538     NULL, "page:", NULL,                "change page that causes change"
2539   },
2540   {
2541     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2542     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2543     -1,
2544     options_change_replace_when,
2545     &custom_element_change.replace_when,
2546     NULL, "replace when", NULL,         "which elements can be replaced"
2547   },
2548   {
2549     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2550     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2551     -1,
2552     options_action_type,
2553     &custom_element_change.action_type,
2554     NULL, NULL, NULL,                   "action on specified condition"
2555   },
2556   {
2557     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2558     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2559     -1,
2560     options_action_mode_none,
2561     &custom_element_change.action_mode,
2562     NULL, NULL, NULL,                   "action operator"
2563   },
2564   {
2565     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2566     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2567     -1,
2568     options_action_arg_none,
2569     &custom_element_change.action_arg,
2570     NULL, NULL, NULL,                   "action parameter"
2571   },
2572   {
2573     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2574     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2575     3,
2576     options_change_page,
2577     &custom_element.current_change_page,
2578     NULL, NULL, NULL,                   "element change page"
2579   },
2580
2581   /* ---------- element settings: configure (group elements) --------------- */
2582
2583   {
2584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2585     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2586     -1,
2587     options_group_choice_mode,
2588     &group_element_info.choice_mode,
2589     NULL, "choice type:", NULL,         "type of group element choice"
2590   },
2591 };
2592
2593 static struct
2594 {
2595   int x, y;
2596   int gadget_id;
2597   int gadget_id_align;
2598   int size;
2599   char *text;
2600   char *text_above, *text_left, *text_right, *infotext;
2601 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2602 {
2603   /* ---------- level and editor settings (tabs) --------------------------- */
2604
2605   {
2606     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2607     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2608     8,                                  "Level",
2609     NULL, NULL, NULL,                   "Configure level properties"
2610   },
2611   {
2612     -1,                                 -1,
2613     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2614     8,                                  "Editor",
2615     NULL, NULL, NULL,                   "Configure editor properties"
2616   },
2617
2618   /* ---------- element settings (tabs) ------------------------------------ */
2619
2620   {
2621     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2622     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2623     8,                                  "Info",
2624     NULL, NULL, NULL,                   "Show information about element"
2625   },
2626   {
2627     -1,                                 -1,
2628     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2629     8,                                  "Config",
2630     NULL, NULL, NULL,                   "Configure element properties"
2631   },
2632   {
2633     -1,                                 -1,
2634     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2635     8,                                  "Config 1",
2636     NULL, NULL, NULL,                   "Configure element properties, part 1"
2637   },
2638   {
2639     -1,                                 -1,
2640     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2641     8,                                  "Config 2",
2642     NULL, NULL, NULL,                   "Configure element properties, part 2"
2643   },
2644   {
2645     -1,                                 -1,
2646     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2647     8,                                  "Change",
2648     NULL, NULL, NULL,                   "Configure custom element change pages"
2649   },
2650
2651   /* ---------- level and editor settings (buttons) ------------------------ */
2652
2653   {
2654     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2655     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2656     -1,                                 "Save",
2657     NULL, NULL,                         "this level as level template",
2658     "Save current settings as new template"
2659   },
2660
2661   /* ---------- element settings (buttons) --------------------------------- */
2662
2663   {
2664     -1,                                 -1,
2665     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2666     -1,                                 "Save",
2667     NULL, " ",                          "As Template",
2668     "Save current settings as new template"
2669   },
2670   {
2671     -1,                                 -1,
2672     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2673     -1,                                 "New",
2674     NULL, NULL, NULL,                   "Add new change page"
2675   },
2676   {
2677     -1,                                 -1,
2678     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2679     -1,                                 "Delete",
2680     NULL, NULL, NULL,                   "Delete current change page"
2681   },
2682 };
2683
2684 static struct
2685 {
2686   int graphic;
2687   int x, y;
2688   int gadget_id;
2689   int gadget_id_align;
2690   char *text_left, *text_right, *infotext;
2691 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2692 {
2693   {
2694     IMG_EDITOR_COUNTER_DOWN,
2695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2696     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2697     NULL, NULL,                         "select previous change page"
2698   },
2699   {
2700     IMG_EDITOR_COUNTER_UP,
2701     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2702     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2703     NULL, "change page",                "select next change page"
2704   },
2705   {
2706     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2707     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2708     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2709     " ", NULL,                          "copy settings from this change page"
2710   },
2711   {
2712     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2713     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2714     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2715     NULL, NULL,                         "paste settings to this change page"
2716   },
2717 };
2718
2719 static struct
2720 {
2721   int x, y;
2722 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2723
2724 static struct
2725 {
2726   int graphic;
2727   int gadget_id;
2728   char *infotext;
2729 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2730 {
2731   {
2732     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2733     GADGET_ID_SCROLL_UP,
2734     "scroll level editing area up"
2735   },
2736   {
2737     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2738     GADGET_ID_SCROLL_DOWN,
2739     "scroll level editing area down"
2740   },
2741   {
2742     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2743     GADGET_ID_SCROLL_LEFT,
2744     "scroll level editing area left"
2745   },
2746   {
2747     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2748     GADGET_ID_SCROLL_RIGHT,
2749     "scroll level editing area right"
2750   },
2751   {
2752     IMG_EDITOR_PALETTE_SCROLL_UP,
2753     GADGET_ID_SCROLL_LIST_UP,
2754     "scroll element list up ('Page Up')"
2755   },
2756   {
2757     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2758     GADGET_ID_SCROLL_LIST_DOWN,
2759     "scroll element list down ('Page Down')"
2760   },
2761 };
2762
2763 static struct
2764 {
2765   int x, y;
2766   int width, height;
2767   int wheel_x, wheel_y;
2768   int wheel_width, wheel_height;
2769 } scrollbar_pos[ED_NUM_SCROLLBARS];
2770
2771 static struct
2772 {
2773   int graphic;
2774   int type;
2775   int gadget_id;
2776   char *infotext;
2777 } scrollbar_info[ED_NUM_SCROLLBARS] =
2778 {
2779   {
2780     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2781     GD_TYPE_SCROLLBAR_HORIZONTAL,
2782     GADGET_ID_SCROLL_HORIZONTAL,
2783     "scroll level editing area horizontally"
2784   },
2785   {
2786     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2787     GD_TYPE_SCROLLBAR_VERTICAL,
2788     GADGET_ID_SCROLL_VERTICAL,
2789     "scroll level editing area vertically"
2790   },
2791   {
2792     IMG_EDITOR_PALETTE_SCROLLBAR,
2793     GD_TYPE_SCROLLBAR_VERTICAL,
2794     GADGET_ID_SCROLL_LIST_VERTICAL,
2795     "scroll element list vertically"
2796   }
2797 };
2798
2799
2800 static struct
2801 {
2802   int x, y;
2803   int gadget_id;
2804   int gadget_id_align;
2805   int radio_button_nr;
2806   int *value;
2807   int checked_value;
2808   char *text_left, *text_right, *infotext;
2809 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2810 {
2811   {
2812     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2813     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2814     RADIO_NR_RANDOM_ELEMENTS,
2815     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2816     " ", "percentage",                  "use percentage for random elements"
2817   },
2818   {
2819     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2820     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2821     RADIO_NR_RANDOM_ELEMENTS,
2822     &random_placement_method,           RANDOM_USE_QUANTITY,
2823     " ", "quantity",                    "use quantity for random elements"
2824   }
2825 };
2826
2827 static struct
2828 {
2829   int x, y;
2830   int gadget_id;
2831   int gadget_id_align;
2832   boolean *value;
2833   char *text_above, *text_left, *text_right, *infotext;
2834 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2835 {
2836   /* ---------- level and editor settings ---------------------------------- */
2837
2838   {
2839     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2840     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2841     &level.auto_count_gems,
2842     NULL, NULL,
2843     "automatically count gems needed",  "set counter to number of gems"
2844   },
2845   {
2846     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2847     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2848     &random_placement_background_restricted,
2849     NULL, NULL,
2850     "restrict random placement to:",    "set random placement restriction"
2851   },
2852   {
2853     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2854     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2855     &setup.editor.use_template_for_new_levels,
2856     "Template for new levels and CE/GE:", NULL,
2857     "use template for new levels",      "use template for level properties"
2858   },
2859   {
2860     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2861     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2862     &level.use_custom_template,
2863     NULL, NULL,
2864     "use template for custom elements", "use template for custom properties"
2865   },
2866
2867   /* ---------- element settings: configure (various elements) ------------- */
2868
2869   {
2870     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2871     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2872     &stick_element_properties_window,
2873     NULL, NULL,
2874     "stick this screen to edit content","stick this screen to edit content"
2875   },
2876   {
2877     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2878     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2879     &level.em_slippery_gems,
2880     NULL, NULL,
2881     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2882   },
2883   {
2884     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2885     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2886     &level.em_explodes_by_fire,
2887     NULL, NULL,
2888     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2889   },
2890   {
2891     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2892     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2893     &level.use_spring_bug,
2894     NULL, NULL,
2895     "use spring pushing bug",           "use odd spring pushing behaviour"
2896   },
2897   {
2898     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2899     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2900     &level.use_time_orb_bug,
2901     NULL, NULL,
2902     "use time orb bug",                 "use odd time orb behaviour"
2903   },
2904   {
2905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2906     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2907     &level.ball_random,
2908     NULL, NULL,
2909     "create single random element",     "only create one element from content"
2910   },
2911   {
2912     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2913     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2914     &level.ball_state_initial,
2915     NULL, NULL,
2916     "magic ball initially activated",   "activate magic ball after level start"
2917   },
2918   {
2919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2920     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2921     &level.grow_into_diggable,
2922     NULL, NULL,
2923     "can grow into anything diggable",  "grow into more than just sand"
2924   },
2925   {
2926     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2927     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2928     &level.auto_exit_sokoban,
2929     NULL, NULL,
2930     "exit level if all fields solved",  "automatically finish Sokoban levels"
2931   },
2932   {
2933     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2934     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2935     &level.continuous_snapping,
2936     NULL, NULL,
2937     "continuous snapping",              "use snapping without releasing key"
2938   },
2939   {
2940     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2941     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2942     &level.block_snap_field,
2943     NULL, NULL,
2944     "block snapped field when snapping", "use snapping delay to show animation"
2945   },
2946   {
2947     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2948     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2949     &level.block_last_field,
2950     NULL, NULL,
2951     "block last field when moving",     "player blocks last field when moving"
2952   },
2953   {
2954     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2955     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2956     &level.sp_block_last_field,
2957     NULL, NULL,
2958     "block last field when moving",     "player blocks last field when moving"
2959   },
2960   {
2961     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2962     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2963     &level.instant_relocation,
2964     NULL, NULL,
2965     "no scrolling when relocating",     "player gets relocated without delay"
2966   },
2967   {
2968     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2969     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2970     &level.shifted_relocation,
2971     NULL, NULL,
2972     "no centering when relocating",     "level not centered after relocation"
2973   },
2974   {
2975     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2976     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
2977     &level.lazy_relocation,
2978     NULL, NULL,
2979     "only redraw off-screen relocation","no redraw if relocation target visible"
2980   },
2981   {
2982     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2983     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2984     &level.use_start_element[0],
2985     NULL, NULL,
2986     "use level start element:",        "start level at this element's position"
2987   },
2988   {
2989     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2990     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2991     &level.use_artwork_element[0],
2992     NULL, NULL,
2993     "use artwork from element:",        "use player artwork from other element"
2994   },
2995   {
2996     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2997     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2998     &level.use_explosion_element[0],
2999     NULL, NULL,
3000     "use explosion from element:",      "use explosion properties from element"
3001   },
3002   {
3003     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3004     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3005     &level.initial_player_gravity[0],
3006     NULL, NULL,
3007     "use initial gravity",              "set initial player gravity"
3008   },
3009   {
3010     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3011     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3012     &level.use_initial_inventory[0],
3013     NULL, NULL,
3014     "use initial inventory:",           "use collected elements on level start"
3015   },
3016   {
3017     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3018     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3019     &level.can_pass_to_walkable,
3020     NULL, NULL,
3021     "can pass to walkable element",     "player can pass to empty or walkable"
3022   },
3023   {
3024     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3025     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3026     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3027     NULL, NULL,
3028     "can fall into acid (with gravity)","player can fall into acid pool"
3029   },
3030   {
3031     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3032     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3033     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3034     NULL, NULL,
3035     "can move into acid",               "element can move into acid pool"
3036   },
3037   {
3038     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3039     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3040     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3041     NULL, NULL,
3042     "deadly when colliding with",       "element is deadly when hitting player"
3043   },
3044   {
3045     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3046     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3047     &level.envelope[0].autowrap,
3048     NULL, NULL,
3049     "auto-wrap",                        "automatically wrap envelope text"
3050   },
3051   {
3052     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3053     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3054     &level.envelope[0].centered,
3055     NULL, " ",
3056     "centered",                         "automatically center envelope text"
3057   },
3058   {
3059     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3060     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3061     &level.mm_laser_red,
3062     "choose color components for laser:", NULL,
3063     "red",                              "use red color components in laser"
3064   },
3065   {
3066     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3067     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3068     &level.mm_laser_green,
3069     NULL, NULL,
3070     "green",                            "use green color components in laser"
3071   },
3072   {
3073     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3074     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3075     &level.mm_laser_blue,
3076     NULL, NULL,
3077     "blue",                             "use blue color components in laser"
3078   },
3079   {
3080     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3081     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3082     &level.df_laser_red,
3083     "choose color components for laser:", NULL,
3084     "red",                              "use red color components in laser"
3085   },
3086   {
3087     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3088     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3089     &level.df_laser_green,
3090     NULL, NULL,
3091     "green",                            "use green color components in laser"
3092   },
3093   {
3094     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3095     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3096     &level.df_laser_blue,
3097     NULL, NULL,
3098     "blue",                             "use blue color components in laser"
3099   },
3100
3101   /* ---------- element settings: configure 1 (custom elements) ----------- */
3102
3103   {
3104     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3105     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3106     &custom_element.use_gfx_element,
3107     NULL, NULL,
3108     "use graphic of element:",          "use existing element graphic"
3109   },
3110   {
3111     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3112     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3113     &level.use_custom_template,
3114     NULL, NULL,
3115     "use template",                     "use template for custom properties"
3116   },
3117   {
3118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3119     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3120     &custom_element_properties[EP_ACCESSIBLE],
3121     NULL, NULL,
3122     NULL,                               "player can walk to or pass this field"
3123   },
3124   {
3125     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3126     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3127     &custom_element_properties[EP_GRAVITY_REACHABLE],
3128     NULL, NULL,
3129     "reachable despite gravity",        "player can walk/dig despite gravity"
3130   },
3131   {
3132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3133     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3134     &custom_element.use_last_ce_value,
3135     NULL, NULL,
3136     "use last CE value after change",   "use last CE value after change"
3137   },
3138   {
3139     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3140     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3141     &custom_element_properties[EP_WALK_TO_OBJECT],
3142     NULL, NULL,
3143     NULL,                               "player can dig/collect/push element"
3144   },
3145   {
3146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3147     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3148     &custom_element_properties[EP_INDESTRUCTIBLE],
3149     NULL, NULL,
3150     "indestructible",                   "element is indestructible"
3151   },
3152
3153   /* ---------- element settings: configure 2 (custom elements) ----------- */
3154
3155   {
3156     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3157     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3158     &custom_element_properties[EP_CAN_MOVE],
3159     NULL, NULL,
3160     NULL,                               "element can move with some pattern"
3161   },
3162   {
3163     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3164     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3165     &custom_element_properties[EP_CAN_FALL],
3166     NULL, NULL,
3167     "can fall",                         "element can fall down"
3168   },
3169   {
3170     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3171     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3172     &custom_element_properties[EP_CAN_SMASH],
3173     NULL, " ",
3174     NULL,                               "element can smash other elements"
3175   },
3176   {
3177     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3178     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3179     &custom_element_properties[EP_SLIPPERY],
3180     NULL, NULL,
3181     NULL,                               "other elements can fall down from it"
3182   },
3183   {
3184     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3185     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3186     &custom_element_properties[EP_DEADLY],
3187     NULL, NULL,
3188     NULL,                               "element can kill the player"
3189   },
3190   {
3191     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3192     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3193     &custom_element_properties[EP_CAN_EXPLODE],
3194     NULL, NULL,
3195     NULL,                               "element can explode"
3196   },
3197   {
3198     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3199     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3200     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3201     NULL, NULL,
3202     "by fire",                          "element can explode by fire/explosion"
3203   },
3204   {
3205     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3206     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3207     &custom_element_properties[EP_EXPLODES_SMASHED],
3208     NULL, " ",
3209     "smashed",                          "element can explode when smashed"
3210   },
3211   {
3212     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3213     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3214     &custom_element_properties[EP_EXPLODES_IMPACT],
3215     NULL, " ",
3216     "impact",                           "element can explode on impact"
3217   },
3218
3219   /* ---------- element settings: advanced (custom elements) --------------- */
3220
3221   {
3222     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3223     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3224     &custom_element_change.can_change,
3225     NULL, NULL,
3226     "element changes to:",              "change element on specified condition"
3227   },
3228   {
3229     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3230     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3231     &custom_element_change_events[CE_DELAY],
3232     NULL, NULL,
3233     NULL,                               "element changes after delay"
3234   },
3235   {
3236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3237     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3238     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3239     NULL, NULL,
3240     NULL,                               "element changes by direct action"
3241   },
3242   {
3243     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3244     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3245     &custom_element_change_events[CE_BY_OTHER_ACTION],
3246     NULL, NULL,
3247     NULL,                               "element changes by other element"
3248   },
3249   {
3250     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3251     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3252     &custom_element_change.explode,
3253     NULL, NULL,
3254     "explode instead of change",        "element explodes instead of change"
3255   },
3256   {
3257     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3258     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3259     &custom_element_change.use_target_content,
3260     NULL, NULL,
3261     "use extended change target:",      "element changes to more elements"
3262   },
3263   {
3264     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3265     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3266     &custom_element_change.only_if_complete,
3267     NULL, NULL,
3268     "replace all or nothing",           "only replace when all can be changed"
3269   },
3270   {
3271     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3272     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3273     &custom_element_change.use_random_replace,
3274     NULL, NULL,
3275     NULL,                               "use percentage for random replace"
3276   },
3277   {
3278     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3279     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3280     &custom_element_change.has_action,
3281     NULL, NULL,
3282     NULL,                               "execute action on specified condition"
3283   },
3284 };
3285
3286 static struct
3287 {
3288   int x, y;
3289   int xoffset, yoffset;
3290   int gadget_id;
3291   int gadget_id_align;
3292   int *value;
3293   int area_xsize, area_ysize;
3294   char *text_left, *text_right, *text_below, *infotext;
3295 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3296 {
3297   /* ---------- level playfield content ------------------------------------ */
3298
3299   {
3300     0,                                  0,
3301     0,                                  0,
3302     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3303     NULL,
3304     -1, -1,     /* these values are not constant, but can change at runtime */
3305     NULL, NULL, NULL,                   NULL
3306   },
3307
3308   /* ---------- yam yam content -------------------------------------------- */
3309
3310   {
3311     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3312     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3313     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3314     &level.yamyam_content[0].e[0][0],   3, 3,
3315     NULL, NULL, "1",                    NULL
3316   },
3317   {
3318     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3319     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3320     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3321     &level.yamyam_content[1].e[0][0],   3, 3,
3322     NULL, NULL, "2",                    NULL
3323   },
3324   {
3325     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3326     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3327     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3328     &level.yamyam_content[2].e[0][0],   3, 3,
3329     NULL, NULL, "3",                    NULL
3330   },
3331   {
3332     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3333     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3334     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3335     &level.yamyam_content[3].e[0][0],   3, 3,
3336     NULL, NULL, "4",                    NULL
3337   },
3338   {
3339     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3340     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3341     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3342     &level.yamyam_content[4].e[0][0],   3, 3,
3343     NULL, NULL, "5",                    NULL
3344   },
3345   {
3346     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3347     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3348     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3349     &level.yamyam_content[5].e[0][0],   3, 3,
3350     NULL, NULL, "6",                    NULL
3351   },
3352   {
3353     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3354     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3355     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3356     &level.yamyam_content[6].e[0][0],   3, 3,
3357     NULL, NULL, "7",                    NULL
3358   },
3359   {
3360     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3361     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3362     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3363     &level.yamyam_content[7].e[0][0],   3, 3,
3364     NULL, NULL, "8",                    NULL
3365   },
3366
3367   /* ---------- magic ball content ----------------------------------------- */
3368
3369   {
3370     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3371     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3372     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3373     &level.ball_content[0].e[0][0],     3, 3,
3374     NULL, NULL, "1",                    NULL
3375   },
3376   {
3377     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3378     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3379     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3380     &level.ball_content[1].e[0][0],     3, 3,
3381     NULL, NULL, "2",                    NULL
3382   },
3383   {
3384     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3385     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3386     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3387     &level.ball_content[2].e[0][0],     3, 3,
3388     NULL, NULL, "3",                    NULL
3389   },
3390   {
3391     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3392     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3393     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3394     &level.ball_content[3].e[0][0],     3, 3,
3395     NULL, NULL, "4",                    NULL
3396   },
3397   {
3398     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3399     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3400     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3401     &level.ball_content[4].e[0][0],     3, 3,
3402     NULL, NULL, "5",                    NULL
3403   },
3404   {
3405     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3406     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3407     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3408     &level.ball_content[5].e[0][0],     3, 3,
3409     NULL, NULL, "6",                    NULL
3410   },
3411   {
3412     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3413     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3414     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3415     &level.ball_content[6].e[0][0],     3, 3,
3416     NULL, NULL, "7",                    NULL
3417   },
3418   {
3419     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3420     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3421     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3422     &level.ball_content[7].e[0][0],     3, 3,
3423     NULL, NULL, "8",                    NULL
3424   },
3425
3426   /* ---------- android content -------------------------------------------- */
3427
3428   {
3429     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3430     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3431     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3432     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3433     "elements:", NULL, NULL,            "elements android can clone"
3434   },
3435
3436   /* ---------- amoeba content --------------------------------------------- */
3437
3438   {
3439     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3440     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3441     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3442     &level.amoeba_content,              1, 1,
3443     "content:", NULL, NULL,             "amoeba content"
3444   },
3445
3446   /* ---------- level start element ---------------------------------------- */
3447
3448   {
3449     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3450     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3451     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3452     &level.start_element[0],            1, 1,
3453     NULL, NULL, NULL,                   "level start element"
3454   },
3455
3456   /* ---------- player artwork element ------------------------------------- */
3457
3458   {
3459     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3460     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3461     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3462     &level.artwork_element[0],          1, 1,
3463     NULL, NULL, NULL,                   "element for player artwork"
3464   },
3465
3466   /* ---------- player explosion element ----------------------------------- */
3467
3468   {
3469     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3470     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3471     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3472     &level.explosion_element[0],        1, 1,
3473     NULL, NULL, NULL,                   "element for player explosion"
3474   },
3475
3476   /* ---------- player initial inventory ----------------------------------- */
3477
3478   {
3479     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3480     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3481     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3482     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3483     NULL, NULL, NULL,                   "content for initial inventory"
3484   },
3485
3486   /* ---------- element settings: configure 1 (custom elements) ----------- */
3487
3488   /* ---------- custom graphic --------------------------------------------- */
3489
3490   {
3491     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3492     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3493     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3494     &custom_element.gfx_element_initial,1, 1,
3495     NULL, NULL, NULL,                   "custom graphic element"
3496   },
3497
3498   /* ---------- element settings: configure 2 (custom elements) ----------- */
3499
3500   /* ---------- custom content (when exploding) ---------------------------- */
3501
3502   {
3503     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3504     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3505     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3506     &custom_element.content.e[0][0],    3, 3,
3507     "content:", NULL, NULL,             NULL
3508   },
3509
3510   /* ---------- custom enter and leave element (when moving) --------------- */
3511
3512   {
3513     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3514     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3515     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3516     &custom_element.move_enter_element, 1, 1,
3517     "can dig:", " ", NULL,              "element that can be digged/collected"
3518   },
3519   {
3520     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3521     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3522     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3523     &custom_element.move_leave_element, 1, 1,
3524     NULL, NULL, NULL,                   "element that will be left behind"
3525   },
3526
3527   /* ---------- element settings: advanced (custom elements) --------------- */
3528
3529   /* ---------- custom change target --------------------------------------- */
3530
3531   {
3532     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3533     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3534     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3535     &custom_element_change.target_element, 1, 1,
3536     NULL, "after/when:", NULL,          "new target element after change"
3537   },
3538
3539   /* ---------- custom change content (extended change target) ------------- */
3540
3541   {
3542     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3543     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3544     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3545     &custom_element_change.target_content.e[0][0], 3, 3,
3546     NULL, NULL, NULL,                   "new extended elements after change"
3547   },
3548
3549   /* ---------- custom change trigger (element causing change) ------------- */
3550
3551   {
3552     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3553     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3554     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3555     &custom_element_change.initial_trigger_element, 1, 1,
3556     NULL, NULL, NULL,                   "other element triggering change"
3557   },
3558
3559   /* ---------- custom change action (element used for action) ------------- */
3560
3561   {
3562     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3563     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3564     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3565     &custom_element_change.action_element, 1, 1,
3566     NULL, NULL, NULL,                   "element used as action parameter"
3567   },
3568
3569   /* ---------- group element content -------------------------------------- */
3570
3571   {
3572     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3573     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3574     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3575     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3576     "content:", NULL, NULL,             NULL
3577   },
3578
3579   /* ---------- random background (for random painting) -------------------- */
3580
3581   {
3582     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3583     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3584     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3585     &random_placement_background_element, 1, 1,
3586     NULL, NULL, NULL,                   "random placement background"
3587   },
3588 };
3589
3590
3591 /*
3592   -----------------------------------------------------------------------------
3593   some internally used variables
3594   -----------------------------------------------------------------------------
3595 */
3596
3597 /* maximal size of level editor drawing area */
3598 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3599
3600 /* actual size of level editor drawing area */
3601 static int ed_fieldx, ed_fieldy;
3602
3603 /* actual position of level editor drawing area in level playfield */
3604 static int level_xpos = -1, level_ypos = -1;
3605
3606 /* actual tile size used to display playfield drawing area */
3607 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3608
3609 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3610
3611 /* drawing elements on the three mouse buttons */
3612 static int new_element1 = EL_WALL;
3613 static int new_element2 = EL_EMPTY;
3614 static int new_element3 = EL_SAND;
3615
3616 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3617 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3618                                 (button) == 2 ? new_element2 : \
3619                                 (button) == 3 ? new_element3 : EL_EMPTY)
3620
3621 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3622
3623 static int use_permanent_palette = TRUE;
3624
3625 #define PX              (use_permanent_palette ? DX : SX)
3626 #define PY              (use_permanent_palette ? DY : SY)
3627 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3628 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3629
3630 /* forward declaration for internal use */
3631 static void ModifyEditorCounterValue(int, int);
3632 static void ModifyEditorCounterLimits(int, int, int);
3633 static void ModifyEditorSelectboxValue(int, int);
3634 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3635 static void ModifyEditorDrawingArea(int, int, int);
3636 static void ModifyEditorElementList();
3637 static void AdjustElementListScrollbar();
3638 static void RedrawDrawingElements();
3639 static void DrawDrawingWindow();
3640 static void DrawLevelInfoWindow();
3641 static void DrawPropertiesWindow();
3642 static void DrawPaletteWindow();
3643 static void UpdateCustomElementGraphicGadgets();
3644 static boolean checkPropertiesConfig(int);
3645 static void SetAutomaticNumberOfGemsNeeded();
3646 static void ClearEditorGadgetInfoText();
3647 static void CopyLevelToUndoBuffer(int);
3648 static void HandleDrawingAreas(struct GadgetInfo *);
3649 static void HandleCounterButtons(struct GadgetInfo *);
3650 static void HandleTextInputGadgets(struct GadgetInfo *);
3651 static void HandleTextAreaGadgets(struct GadgetInfo *);
3652 static void HandleSelectboxGadgets(struct GadgetInfo *);
3653 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3654 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3655 static void HandleRadiobuttons(struct GadgetInfo *);
3656 static void HandleCheckbuttons(struct GadgetInfo *);
3657 static void HandleControlButtons(struct GadgetInfo *);
3658 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3659 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3660 static boolean AskToCopyAndModifyLevelTemplate();
3661 static boolean getDrawModeHiRes();
3662
3663 static int num_editor_gadgets = 0;      /* dynamically determined */
3664
3665 static struct GadgetInfo **level_editor_gadget = NULL;
3666 static int *right_gadget_border = NULL;
3667
3668 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3669 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3670 static boolean draw_with_brush = FALSE;
3671 static int properties_element = 0;
3672
3673 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3674 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3675 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3676 static int undo_buffer_position = 0;
3677 static int undo_buffer_steps = 0;
3678 static int redo_buffer_steps = 0;
3679
3680 static int edit_mode;
3681 static int edit_mode_levelinfo;
3682 static int edit_mode_properties;
3683
3684 static int element_shift = 0;
3685
3686 static int editor_el_players[] =
3687 {
3688   EL_PLAYER_1,
3689   EL_PLAYER_2,
3690   EL_PLAYER_3,
3691   EL_PLAYER_4
3692 };
3693 static int *editor_el_players_ptr = editor_el_players;
3694 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3695
3696 static int editor_hl_boulderdash[] =
3697 {
3698   EL_INTERNAL_CASCADE_BD_ACTIVE,
3699   EL_CHAR('B'),
3700   EL_CHAR('D'),
3701   EL_EMPTY,
3702 };
3703
3704 static int editor_el_boulderdash[] =
3705 {
3706   EL_EMPTY,
3707   EL_SAND,
3708   EL_BD_ROCK,
3709   EL_BD_DIAMOND,
3710
3711   EL_STEELWALL,
3712   EL_BD_WALL,
3713   EL_BD_EXPANDABLE_WALL,
3714   EL_BD_MAGIC_WALL,
3715
3716   EL_BD_AMOEBA,
3717   EL_BD_BUTTERFLY_UP,
3718   EL_BD_FIREFLY_UP,
3719   EL_EXIT_CLOSED,
3720
3721   EL_BD_BUTTERFLY_LEFT,
3722   EL_BD_FIREFLY_LEFT,
3723   EL_BD_BUTTERFLY_RIGHT,
3724   EL_BD_FIREFLY_RIGHT,
3725
3726   EL_EMPTY,
3727   EL_BD_BUTTERFLY_DOWN,
3728   EL_BD_FIREFLY_DOWN,
3729   EL_EXIT_OPEN,
3730 };
3731 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3732 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3733 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3734 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3735
3736 static int editor_hl_emerald_mine[] =
3737 {
3738   EL_INTERNAL_CASCADE_EM_ACTIVE,
3739   EL_CHAR('E'),
3740   EL_CHAR('M'),
3741   EL_EMPTY,
3742 };
3743
3744 static int editor_el_emerald_mine[] =
3745 {
3746   EL_SAND,
3747   EL_ROCK,
3748   EL_QUICKSAND_EMPTY,
3749   EL_QUICKSAND_FULL,
3750
3751   EL_STEELWALL,
3752   EL_WALL,
3753   EL_WALL_SLIPPERY,
3754   EL_MAGIC_WALL,
3755
3756   EL_EMERALD,
3757   EL_DIAMOND,
3758   EL_NUT,
3759   EL_BOMB,
3760
3761   EL_WALL_EMERALD,
3762   EL_WALL_DIAMOND,
3763   EL_DYNAMITE,
3764   EL_DYNAMITE_ACTIVE,
3765
3766   EL_YAMYAM,
3767   EL_BUG_UP,
3768   EL_SPACESHIP_UP,
3769   EL_ROBOT,
3770
3771   EL_BUG_LEFT,
3772   EL_SPACESHIP_LEFT,
3773   EL_BUG_RIGHT,
3774   EL_SPACESHIP_RIGHT,
3775
3776   EL_ROBOT_WHEEL,
3777   EL_BUG_DOWN,
3778   EL_SPACESHIP_DOWN,
3779   EL_INVISIBLE_WALL,
3780
3781   EL_ACID_POOL_TOPLEFT,
3782   EL_ACID,
3783   EL_ACID_POOL_TOPRIGHT,
3784   EL_AMOEBA_DROP,
3785
3786   EL_ACID_POOL_BOTTOMLEFT,
3787   EL_ACID_POOL_BOTTOM,
3788   EL_ACID_POOL_BOTTOMRIGHT,
3789   EL_AMOEBA_WET,
3790
3791   EL_EM_KEY_1,
3792   EL_EM_KEY_2,
3793   EL_EM_KEY_3,
3794   EL_EM_KEY_4,
3795
3796   EL_EM_GATE_1,
3797   EL_EM_GATE_2,
3798   EL_EM_GATE_3,
3799   EL_EM_GATE_4,
3800
3801   EL_EM_GATE_1_GRAY,
3802   EL_EM_GATE_2_GRAY,
3803   EL_EM_GATE_3_GRAY,
3804   EL_EM_GATE_4_GRAY,
3805
3806   EL_EM_EXIT_CLOSED,
3807   EL_EM_EXIT_OPEN,
3808   EL_EM_STEEL_EXIT_CLOSED,
3809   EL_EM_STEEL_EXIT_OPEN,
3810 };
3811 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3812 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3813 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3814 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3815
3816 static int editor_hl_emerald_mine_club[] =
3817 {
3818   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3819   EL_CHAR('E'),
3820   EL_CHAR('M'),
3821   EL_CHAR('C'),
3822 };
3823
3824 static int editor_el_emerald_mine_club[] =
3825 {
3826   EL_EMC_KEY_5,
3827   EL_EMC_KEY_6,
3828   EL_EMC_KEY_7,
3829   EL_EMC_KEY_8,
3830
3831   EL_EMC_GATE_5,
3832   EL_EMC_GATE_6,
3833   EL_EMC_GATE_7,
3834   EL_EMC_GATE_8,
3835
3836   EL_EMC_GATE_5_GRAY,
3837   EL_EMC_GATE_6_GRAY,
3838   EL_EMC_GATE_7_GRAY,
3839   EL_EMC_GATE_8_GRAY,
3840
3841   EL_EMC_STEELWALL_1,
3842   EL_EMC_STEELWALL_2,
3843   EL_EMC_STEELWALL_3,
3844   EL_EMC_STEELWALL_4,
3845
3846   EL_EMC_WALL_13,
3847   EL_EMC_WALL_14,
3848   EL_EMC_WALL_15,
3849   EL_EMC_WALL_16,
3850
3851   EL_EMC_WALL_SLIPPERY_1,
3852   EL_EMC_WALL_SLIPPERY_2,
3853   EL_EMC_WALL_SLIPPERY_3,
3854   EL_EMC_WALL_SLIPPERY_4,
3855
3856   EL_EMC_WALL_1,
3857   EL_EMC_WALL_2,
3858   EL_EMC_WALL_3,
3859   EL_EMC_WALL_4,
3860
3861   EL_EMC_WALL_5,
3862   EL_EMC_WALL_6,
3863   EL_EMC_WALL_7,
3864   EL_EMC_WALL_8,
3865
3866   EL_EMC_WALL_9,
3867   EL_EMC_WALL_10,
3868   EL_EMC_WALL_11,
3869   EL_EMC_WALL_12,
3870
3871   EL_EMC_GRASS,
3872   EL_EMC_FAKE_GRASS,
3873   EL_EMC_PLANT,
3874   EL_EMC_DRIPPER,
3875
3876   EL_EMC_MAGIC_BALL,
3877   EL_EMC_MAGIC_BALL_SWITCH,
3878   EL_SPRING,
3879   EL_EMC_SPRING_BUMPER,
3880
3881   EL_EMC_LENSES,
3882   EL_EMC_MAGNIFIER,
3883   EL_EM_DYNAMITE,
3884   EL_EM_DYNAMITE_ACTIVE,
3885
3886   EL_BALLOON,
3887   EL_YAMYAM_UP,
3888   EL_BALLOON_SWITCH_UP,
3889   EL_BALLOON_SWITCH_ANY,
3890
3891   EL_YAMYAM_LEFT,
3892   EL_BALLOON_SWITCH_LEFT,
3893   EL_YAMYAM_RIGHT,
3894   EL_BALLOON_SWITCH_RIGHT,
3895
3896   EL_EMC_ANDROID,
3897   EL_YAMYAM_DOWN,
3898   EL_BALLOON_SWITCH_DOWN,
3899   EL_BALLOON_SWITCH_NONE,
3900 };
3901 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3902 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3903 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3904 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3905
3906 static int editor_hl_rnd[] =
3907 {
3908   EL_INTERNAL_CASCADE_RND_ACTIVE,
3909   EL_CHAR('R'),
3910   EL_CHAR('N'),
3911   EL_CHAR('D'),
3912 };
3913
3914 static int editor_el_rnd[] =
3915 {
3916   EL_KEY_1,
3917   EL_KEY_2,
3918   EL_KEY_3,
3919   EL_KEY_4,
3920
3921   EL_GATE_1,
3922   EL_GATE_2,
3923   EL_GATE_3,
3924   EL_GATE_4,
3925
3926   EL_GATE_1_GRAY,
3927   EL_GATE_2_GRAY,
3928   EL_GATE_3_GRAY,
3929   EL_GATE_4_GRAY,
3930
3931   EL_ARROW_LEFT,
3932   EL_ARROW_RIGHT,
3933   EL_ARROW_UP,
3934   EL_ARROW_DOWN,
3935
3936   EL_AMOEBA_DEAD,
3937   EL_AMOEBA_DRY,
3938   EL_AMOEBA_FULL,
3939   EL_GAME_OF_LIFE,
3940
3941   EL_EMERALD_YELLOW,
3942   EL_EMERALD_RED,
3943   EL_EMERALD_PURPLE,
3944   EL_BIOMAZE,
3945
3946   EL_WALL_EMERALD_YELLOW,
3947   EL_WALL_EMERALD_RED,
3948   EL_WALL_EMERALD_PURPLE,
3949   EL_WALL_BD_DIAMOND,
3950
3951   EL_SPEED_PILL,
3952   EL_PACMAN_UP,
3953   EL_TIME_ORB_FULL,
3954   EL_TIME_ORB_EMPTY,
3955
3956   EL_PACMAN_LEFT,
3957   EL_DARK_YAMYAM,
3958   EL_PACMAN_RIGHT,
3959   EL_EMPTY,
3960
3961   EL_BLACK_ORB,
3962   EL_PACMAN_DOWN,
3963   EL_LAMP,
3964   EL_LAMP_ACTIVE,
3965
3966   EL_DYNABOMB_INCREASE_NUMBER,
3967   EL_DYNABOMB_INCREASE_SIZE,
3968   EL_DYNABOMB_INCREASE_POWER,
3969   EL_STONEBLOCK,
3970
3971   EL_MOLE,
3972   EL_PENGUIN,
3973   EL_PIG,
3974   EL_DRAGON,
3975
3976   EL_BUG,
3977   EL_MOLE_UP,
3978   EL_BD_BUTTERFLY,
3979   EL_BD_FIREFLY,
3980
3981   EL_MOLE_LEFT,
3982   EL_SATELLITE,
3983   EL_MOLE_RIGHT,
3984   EL_PACMAN,
3985
3986   EL_SPACESHIP,
3987   EL_MOLE_DOWN,
3988   EL_INVISIBLE_STEELWALL,
3989   EL_INVISIBLE_WALL,
3990
3991   EL_EXPANDABLE_WALL,
3992   EL_EXPANDABLE_WALL_HORIZONTAL,
3993   EL_EXPANDABLE_WALL_VERTICAL,
3994   EL_EXPANDABLE_WALL_ANY,
3995 };
3996 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3997 static int *editor_el_rnd_ptr = editor_el_rnd;
3998 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3999 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4000
4001 static int editor_hl_sokoban[] =
4002 {
4003   EL_INTERNAL_CASCADE_SB_ACTIVE,
4004   EL_CHAR('S'),
4005   EL_CHAR('B'),
4006   EL_EMPTY,
4007 };
4008
4009 static int editor_el_sokoban[] =
4010 {
4011   EL_SOKOBAN_OBJECT,
4012   EL_SOKOBAN_FIELD_EMPTY,
4013   EL_SOKOBAN_FIELD_FULL,
4014   EL_SOKOBAN_FIELD_PLAYER,
4015 };
4016 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4017 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4018 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4019 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4020
4021 static int editor_hl_supaplex[] =
4022 {
4023   EL_INTERNAL_CASCADE_SP_ACTIVE,
4024   EL_CHAR('S'),
4025   EL_CHAR('P'),
4026   EL_EMPTY,
4027 };
4028
4029 static int editor_el_supaplex[] =
4030 {
4031   EL_SP_MURPHY,
4032   EL_EMPTY,
4033   EL_SP_BASE,
4034   EL_SP_BUGGY_BASE,
4035
4036   EL_SP_INFOTRON,
4037   EL_SP_ZONK,
4038   EL_SP_SNIKSNAK,
4039   EL_SP_ELECTRON,
4040
4041   EL_SP_DISK_RED,
4042   EL_SP_DISK_ORANGE,
4043   EL_SP_DISK_YELLOW,
4044   EL_SP_TERMINAL,
4045
4046   EL_SP_EXIT_CLOSED,
4047   EL_SP_PORT_HORIZONTAL,
4048   EL_SP_PORT_VERTICAL,
4049   EL_SP_PORT_ANY,
4050
4051   EL_SP_PORT_LEFT,
4052   EL_SP_PORT_RIGHT,
4053   EL_SP_PORT_UP,
4054   EL_SP_PORT_DOWN,
4055
4056   EL_SP_GRAVITY_PORT_LEFT,
4057   EL_SP_GRAVITY_PORT_RIGHT,
4058   EL_SP_GRAVITY_PORT_UP,
4059   EL_SP_GRAVITY_PORT_DOWN,
4060
4061   EL_SP_GRAVITY_ON_PORT_LEFT,
4062   EL_SP_GRAVITY_ON_PORT_RIGHT,
4063   EL_SP_GRAVITY_ON_PORT_UP,
4064   EL_SP_GRAVITY_ON_PORT_DOWN,
4065
4066   EL_SP_GRAVITY_OFF_PORT_LEFT,
4067   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4068   EL_SP_GRAVITY_OFF_PORT_UP,
4069   EL_SP_GRAVITY_OFF_PORT_DOWN,
4070
4071   EL_SP_HARDWARE_GRAY,
4072   EL_SP_HARDWARE_GREEN,
4073   EL_SP_HARDWARE_BLUE,
4074   EL_SP_HARDWARE_RED,
4075
4076   EL_SP_HARDWARE_BASE_1,
4077   EL_SP_HARDWARE_BASE_2,
4078   EL_SP_HARDWARE_BASE_3,
4079   EL_SP_HARDWARE_BASE_4,
4080
4081   EL_SP_HARDWARE_BASE_5,
4082   EL_SP_HARDWARE_BASE_6,
4083   EL_SP_HARDWARE_YELLOW,
4084   EL_SP_CHIP_TOP,
4085
4086   EL_SP_CHIP_SINGLE,
4087   EL_SP_CHIP_LEFT,
4088   EL_SP_CHIP_RIGHT,
4089   EL_SP_CHIP_BOTTOM,
4090 };
4091 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4092 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4093 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4094 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4095
4096 static int editor_hl_diamond_caves[] =
4097 {
4098   EL_INTERNAL_CASCADE_DC_ACTIVE,
4099   EL_CHAR('D'),
4100   EL_CHAR('C'),
4101   EL_CHAR('2'),
4102 };
4103
4104 static int editor_el_diamond_caves[] =
4105 {
4106   EL_PEARL,
4107   EL_CRYSTAL,
4108   EL_WALL_PEARL,
4109   EL_WALL_CRYSTAL,
4110
4111   EL_CONVEYOR_BELT_1_LEFT,
4112   EL_CONVEYOR_BELT_1_MIDDLE,
4113   EL_CONVEYOR_BELT_1_RIGHT,
4114   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4115
4116   EL_CONVEYOR_BELT_2_LEFT,
4117   EL_CONVEYOR_BELT_2_MIDDLE,
4118   EL_CONVEYOR_BELT_2_RIGHT,
4119   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4120
4121   EL_CONVEYOR_BELT_3_LEFT,
4122   EL_CONVEYOR_BELT_3_MIDDLE,
4123   EL_CONVEYOR_BELT_3_RIGHT,
4124   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4125
4126   EL_CONVEYOR_BELT_4_LEFT,
4127   EL_CONVEYOR_BELT_4_MIDDLE,
4128   EL_CONVEYOR_BELT_4_RIGHT,
4129   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4130
4131   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4132   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4133   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4134   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4135
4136   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4137   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4138   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4139   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4140
4141   EL_TIMEGATE_CLOSED,
4142   EL_TIMEGATE_OPEN,
4143   EL_TIMEGATE_SWITCH,
4144   EL_DC_TIMEGATE_SWITCH,
4145
4146   EL_SWITCHGATE_CLOSED,
4147   EL_SWITCHGATE_OPEN,
4148   EL_SWITCHGATE_SWITCH_UP,
4149   EL_SWITCHGATE_SWITCH_DOWN,
4150
4151   EL_LIGHT_SWITCH,
4152   EL_LIGHT_SWITCH_ACTIVE,
4153   EL_DC_SWITCHGATE_SWITCH_UP,
4154   EL_DC_SWITCHGATE_SWITCH_DOWN,
4155
4156   EL_STEEL_EXIT_CLOSED,
4157   EL_STEEL_EXIT_OPEN,
4158   EL_STEELWALL_SLIPPERY,
4159   EL_INVISIBLE_SAND,
4160
4161   EL_QUICKSAND_FAST_EMPTY,
4162   EL_QUICKSAND_FAST_FULL,
4163   EL_LANDMINE,
4164   EL_DC_LANDMINE,
4165
4166   EL_SHIELD_NORMAL,
4167   EL_SHIELD_DEADLY,
4168   EL_EXTRA_TIME,
4169   EL_DC_MAGIC_WALL,
4170
4171   EL_ENVELOPE_1,
4172   EL_ENVELOPE_2,
4173   EL_ENVELOPE_3,
4174   EL_ENVELOPE_4,
4175
4176   EL_SIGN_RADIOACTIVITY,
4177   EL_SIGN_WHEELCHAIR,
4178   EL_SIGN_PARKING,
4179   EL_SIGN_NO_ENTRY,
4180
4181   EL_SIGN_GIVE_WAY,
4182   EL_SIGN_ENTRY_FORBIDDEN,
4183   EL_SIGN_EMERGENCY_EXIT,
4184   EL_SIGN_YIN_YANG,
4185
4186 #if 0
4187   EL_SIGN_SPERMS,
4188   EL_SIGN_BULLET,
4189   EL_SIGN_HEART,
4190   EL_SIGN_CROSS,
4191
4192   EL_SIGN_FRANKIE,
4193   EL_EMPTY,
4194   EL_EMPTY,
4195   EL_EMPTY,
4196
4197   EL_SPERMS,
4198   EL_BULLET,
4199   EL_HEART,
4200   EL_CROSS,
4201
4202   EL_FRANKIE,
4203   EL_EMPTY,
4204   EL_EMPTY,
4205   EL_EMPTY,
4206 #endif
4207
4208   EL_DC_STEELWALL_2_SINGLE,
4209   EL_DC_STEELWALL_2_TOP,
4210   EL_SIGN_EXCLAMATION,
4211   EL_SIGN_STOP,
4212
4213   EL_DC_STEELWALL_2_LEFT,
4214   EL_DC_STEELWALL_2_MIDDLE,
4215   EL_DC_STEELWALL_2_HORIZONTAL,
4216   EL_DC_STEELWALL_2_RIGHT,
4217
4218   EL_DC_STEELWALL_1_TOPLEFT,
4219   EL_DC_STEELWALL_2_VERTICAL,
4220   EL_DC_STEELWALL_1_TOPRIGHT,
4221   EL_DC_GATE_WHITE,
4222
4223   EL_DC_STEELWALL_1_VERTICAL,
4224   EL_DC_STEELWALL_2_BOTTOM,
4225   EL_DC_KEY_WHITE,
4226   EL_DC_GATE_WHITE_GRAY,
4227
4228   EL_DC_STEELWALL_1_BOTTOMLEFT,
4229   EL_DC_STEELWALL_1_HORIZONTAL,
4230   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4231   EL_DC_GATE_FAKE_GRAY,
4232
4233   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4234   EL_DC_STEELWALL_1_BOTTOM,
4235   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4236   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4237
4238   EL_DC_STEELWALL_1_RIGHT,
4239   EL_EMPTY,
4240   EL_DC_STEELWALL_1_LEFT,
4241   EL_EXPANDABLE_STEELWALL_VERTICAL,
4242
4243   EL_DC_STEELWALL_1_TOPRIGHT_2,
4244   EL_DC_STEELWALL_1_TOP,
4245   EL_DC_STEELWALL_1_TOPLEFT_2,
4246   EL_EXPANDABLE_STEELWALL_ANY,
4247 };
4248 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4249 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4250 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4251 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4252
4253 static int editor_hl_dx_boulderdash[] =
4254 {
4255   EL_INTERNAL_CASCADE_DX_ACTIVE,
4256   EL_CHAR('D'),
4257   EL_CHAR('X'),
4258   EL_EMPTY,
4259 };
4260
4261 static int editor_el_dx_boulderdash[] =
4262 {
4263   EL_EMPTY,
4264   EL_TUBE_RIGHT_DOWN,
4265   EL_TUBE_HORIZONTAL_DOWN,
4266   EL_TUBE_LEFT_DOWN,
4267
4268   EL_TUBE_HORIZONTAL,
4269   EL_TUBE_VERTICAL_RIGHT,
4270   EL_TUBE_ANY,
4271   EL_TUBE_VERTICAL_LEFT,
4272
4273   EL_TUBE_VERTICAL,
4274   EL_TUBE_RIGHT_UP,
4275   EL_TUBE_HORIZONTAL_UP,
4276   EL_TUBE_LEFT_UP,
4277
4278   EL_TRAP,
4279   EL_DX_SUPABOMB,
4280   EL_EMPTY,
4281   EL_EMPTY
4282 };
4283 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4284 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4285 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4286 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4287
4288 static int editor_hl_mirror_magic[] =
4289 {
4290   EL_INTERNAL_CASCADE_MM_ACTIVE,
4291   EL_CHAR('M'),
4292   EL_CHAR('M'),
4293   EL_EMPTY,
4294 };
4295
4296 static int editor_el_mirror_magic[] =
4297 {
4298   EL_MM_MCDUFFIN_RIGHT,
4299   EL_MM_MCDUFFIN_UP,
4300   EL_MM_MCDUFFIN_LEFT,
4301   EL_MM_MCDUFFIN_DOWN,
4302
4303   EL_MM_MIRROR_START,
4304   EL_MM_MIRROR_FIXED_START,
4305   EL_MM_POLARISATOR_START,
4306   EL_MM_POLARISATOR_CROSS_START,
4307
4308   EL_MM_BEAMER_RED_START,
4309   EL_MM_BEAMER_YELLOW_START,
4310   EL_MM_BEAMER_GREEN_START,
4311   EL_MM_BEAMER_BLUE_START,
4312
4313   EL_MM_PRISM,
4314   EL_MM_FUSE_ACTIVE,
4315   EL_MM_PACMAN_RIGHT,
4316   EL_MM_EXIT_CLOSED,
4317
4318   EL_MM_KETTLE,
4319   EL_MM_BOMB,
4320   EL_MM_KEY,
4321   EL_MM_FUEL_FULL,
4322
4323   EL_MM_LIGHTBULB,
4324   EL_MM_LIGHTBULB_ACTIVE,
4325   EL_MM_GRAY_BALL,
4326   EL_MM_LIGHTBALL,
4327
4328   EL_MM_STEEL_WALL,
4329   EL_MM_WOODEN_WALL,
4330   EL_MM_ICE_WALL,
4331   EL_MM_AMOEBA_WALL,
4332
4333   EL_MM_STEEL_LOCK,
4334   EL_MM_WOODEN_LOCK,
4335   EL_MM_STEEL_BLOCK,
4336   EL_MM_WOODEN_BLOCK,
4337
4338   EL_MM_STEEL_GRID_FIXED_1,
4339   EL_MM_STEEL_GRID_FIXED_2,
4340   EL_MM_STEEL_GRID_FIXED_3,
4341   EL_MM_STEEL_GRID_FIXED_4,
4342
4343   EL_MM_WOODEN_GRID_FIXED_1,
4344   EL_MM_WOODEN_GRID_FIXED_2,
4345   EL_MM_WOODEN_GRID_FIXED_3,
4346   EL_MM_WOODEN_GRID_FIXED_4
4347 };
4348 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4349 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4350 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4351 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4352
4353 static int editor_hl_deflektor[] =
4354 {
4355   EL_INTERNAL_CASCADE_DF_ACTIVE,
4356   EL_CHAR('D'),
4357   EL_CHAR('F'),
4358   EL_EMPTY,
4359 };
4360
4361 static int editor_el_deflektor[] =
4362 {
4363   EL_DF_LASER_RIGHT,
4364   EL_DF_LASER_UP,
4365   EL_DF_LASER_LEFT,
4366   EL_DF_LASER_DOWN,
4367
4368   EL_DF_RECEIVER_RIGHT,
4369   EL_DF_RECEIVER_UP,
4370   EL_DF_RECEIVER_LEFT,
4371   EL_DF_RECEIVER_DOWN,
4372
4373   EL_DF_MIRROR_START,
4374   EL_DF_MIRROR_ROTATING_START,
4375   EL_DF_CELL,
4376   EL_DF_MINE,
4377
4378   EL_DF_FIBRE_OPTIC_RED_1,
4379   EL_DF_FIBRE_OPTIC_YELLOW_1,
4380   EL_DF_FIBRE_OPTIC_GREEN_1,
4381   EL_DF_FIBRE_OPTIC_BLUE_1,
4382
4383   EL_DF_STEEL_GRID_FIXED_START,
4384   EL_DF_STEEL_GRID_ROTATING_START,
4385   EL_DF_WOODEN_GRID_FIXED_START,
4386   EL_DF_WOODEN_GRID_ROTATING_START,
4387
4388   EL_DF_STEEL_WALL,
4389   EL_DF_WOODEN_WALL,
4390   EL_DF_REFRACTOR,
4391   EL_EMPTY
4392 };
4393 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4394 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4395 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4396 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4397
4398 static int editor_hl_chars[] =
4399 {
4400   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4401   EL_CHAR('T'),
4402   EL_CHAR('X'),
4403   EL_CHAR('T'),
4404 };
4405
4406 static int editor_el_chars[] =
4407 {
4408   EL_CHAR(' '),
4409   EL_CHAR('!'),
4410   EL_CHAR('"'),
4411   EL_CHAR('#'),
4412
4413   EL_CHAR('$'),
4414   EL_CHAR('%'),
4415   EL_CHAR('&'),
4416   EL_CHAR('\''),
4417
4418   EL_CHAR('('),
4419   EL_CHAR(')'),
4420   EL_CHAR('*'),
4421   EL_CHAR('+'),
4422
4423   EL_CHAR(','),
4424   EL_CHAR('-'),
4425   EL_CHAR('.'),
4426   EL_CHAR('/'),
4427
4428   EL_CHAR('0'),
4429   EL_CHAR('1'),
4430   EL_CHAR('2'),
4431   EL_CHAR('3'),
4432
4433   EL_CHAR('4'),
4434   EL_CHAR('5'),
4435   EL_CHAR('6'),
4436   EL_CHAR('7'),
4437
4438   EL_CHAR('8'),
4439   EL_CHAR('9'),
4440   EL_CHAR(':'),
4441   EL_CHAR(';'),
4442
4443   EL_CHAR('<'),
4444   EL_CHAR('='),
4445   EL_CHAR('>'),
4446   EL_CHAR('?'),
4447
4448   EL_CHAR('@'),
4449   EL_CHAR('A'),
4450   EL_CHAR('B'),
4451   EL_CHAR('C'),
4452
4453   EL_CHAR('D'),
4454   EL_CHAR('E'),
4455   EL_CHAR('F'),
4456   EL_CHAR('G'),
4457
4458   EL_CHAR('H'),
4459   EL_CHAR('I'),
4460   EL_CHAR('J'),
4461   EL_CHAR('K'),
4462
4463   EL_CHAR('L'),
4464   EL_CHAR('M'),
4465   EL_CHAR('N'),
4466   EL_CHAR('O'),
4467
4468   EL_CHAR('P'),
4469   EL_CHAR('Q'),
4470   EL_CHAR('R'),
4471   EL_CHAR('S'),
4472
4473   EL_CHAR('T'),
4474   EL_CHAR('U'),
4475   EL_CHAR('V'),
4476   EL_CHAR('W'),
4477
4478   EL_CHAR('X'),
4479   EL_CHAR('Y'),
4480   EL_CHAR('Z'),
4481   EL_CHAR('['),
4482
4483   EL_CHAR('\\'),
4484   EL_CHAR(']'),
4485   EL_CHAR('^'),
4486   EL_CHAR('_'),
4487
4488   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4489   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4490   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4491   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4492
4493   EL_CHAR(CHAR_BYTE_DEGREE),
4494   EL_CHAR(CHAR_BYTE_REGISTERED),
4495   EL_CHAR(FONT_ASCII_CURSOR),
4496   EL_CHAR(FONT_ASCII_BUTTON),
4497
4498   EL_CHAR(FONT_ASCII_UP),
4499   EL_CHAR(FONT_ASCII_DOWN),
4500   EL_CHAR(' '),
4501   EL_CHAR(' ')
4502 };
4503 static int *editor_hl_chars_ptr = editor_hl_chars;
4504 static int *editor_el_chars_ptr = editor_el_chars;
4505 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4506 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4507
4508 static int editor_hl_steel_chars[] =
4509 {
4510   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4511   EL_STEEL_CHAR('T'),
4512   EL_STEEL_CHAR('X'),
4513   EL_STEEL_CHAR('T'),
4514 };
4515
4516 static int editor_el_steel_chars[] =
4517 {
4518   EL_STEEL_CHAR(' '),
4519   EL_STEEL_CHAR('!'),
4520   EL_STEEL_CHAR('"'),
4521   EL_STEEL_CHAR('#'),
4522
4523   EL_STEEL_CHAR('$'),
4524   EL_STEEL_CHAR('%'),
4525   EL_STEEL_CHAR('&'),
4526   EL_STEEL_CHAR('\''),
4527
4528   EL_STEEL_CHAR('('),
4529   EL_STEEL_CHAR(')'),
4530   EL_STEEL_CHAR('*'),
4531   EL_STEEL_CHAR('+'),
4532
4533   EL_STEEL_CHAR(','),
4534   EL_STEEL_CHAR('-'),
4535   EL_STEEL_CHAR('.'),
4536   EL_STEEL_CHAR('/'),
4537
4538   EL_STEEL_CHAR('0'),
4539   EL_STEEL_CHAR('1'),
4540   EL_STEEL_CHAR('2'),
4541   EL_STEEL_CHAR('3'),
4542
4543   EL_STEEL_CHAR('4'),
4544   EL_STEEL_CHAR('5'),
4545   EL_STEEL_CHAR('6'),
4546   EL_STEEL_CHAR('7'),
4547
4548   EL_STEEL_CHAR('8'),
4549   EL_STEEL_CHAR('9'),
4550   EL_STEEL_CHAR(':'),
4551   EL_STEEL_CHAR(';'),
4552
4553   EL_STEEL_CHAR('<'),
4554   EL_STEEL_CHAR('='),
4555   EL_STEEL_CHAR('>'),
4556   EL_STEEL_CHAR('?'),
4557
4558   EL_STEEL_CHAR('@'),
4559   EL_STEEL_CHAR('A'),
4560   EL_STEEL_CHAR('B'),
4561   EL_STEEL_CHAR('C'),
4562
4563   EL_STEEL_CHAR('D'),
4564   EL_STEEL_CHAR('E'),
4565   EL_STEEL_CHAR('F'),
4566   EL_STEEL_CHAR('G'),
4567
4568   EL_STEEL_CHAR('H'),
4569   EL_STEEL_CHAR('I'),
4570   EL_STEEL_CHAR('J'),
4571   EL_STEEL_CHAR('K'),
4572
4573   EL_STEEL_CHAR('L'),
4574   EL_STEEL_CHAR('M'),
4575   EL_STEEL_CHAR('N'),
4576   EL_STEEL_CHAR('O'),
4577
4578   EL_STEEL_CHAR('P'),
4579   EL_STEEL_CHAR('Q'),
4580   EL_STEEL_CHAR('R'),
4581   EL_STEEL_CHAR('S'),
4582
4583   EL_STEEL_CHAR('T'),
4584   EL_STEEL_CHAR('U'),
4585   EL_STEEL_CHAR('V'),
4586   EL_STEEL_CHAR('W'),
4587
4588   EL_STEEL_CHAR('X'),
4589   EL_STEEL_CHAR('Y'),
4590   EL_STEEL_CHAR('Z'),
4591   EL_STEEL_CHAR('['),
4592
4593   EL_STEEL_CHAR('\\'),
4594   EL_STEEL_CHAR(']'),
4595   EL_STEEL_CHAR('^'),
4596   EL_STEEL_CHAR('_'),
4597
4598   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4599   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4600   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4601   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4602
4603   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4604   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4605   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4606   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4607
4608   EL_STEEL_CHAR(FONT_ASCII_UP),
4609   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4610   EL_STEEL_CHAR(' '),
4611   EL_STEEL_CHAR(' ')
4612 };
4613 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4614 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4615 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4616 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4617
4618 static int editor_hl_custom[] =
4619 {
4620   EL_INTERNAL_CASCADE_CE_ACTIVE,
4621   EL_CHAR('C'),
4622   EL_CHAR('E'),
4623   EL_EMPTY,
4624 };
4625
4626 static int editor_el_custom[] =
4627 {
4628   EL_CUSTOM_START + 0,
4629   EL_CUSTOM_START + 1,
4630   EL_CUSTOM_START + 2,
4631   EL_CUSTOM_START + 3,
4632
4633   EL_CUSTOM_START + 4,
4634   EL_CUSTOM_START + 5,
4635   EL_CUSTOM_START + 6,
4636   EL_CUSTOM_START + 7,
4637
4638   EL_CUSTOM_START + 8,
4639   EL_CUSTOM_START + 9,
4640   EL_CUSTOM_START + 10,
4641   EL_CUSTOM_START + 11,
4642
4643   EL_CUSTOM_START + 12,
4644   EL_CUSTOM_START + 13,
4645   EL_CUSTOM_START + 14,
4646   EL_CUSTOM_START + 15,
4647
4648   EL_CUSTOM_START + 16,
4649   EL_CUSTOM_START + 17,
4650   EL_CUSTOM_START + 18,
4651   EL_CUSTOM_START + 19,
4652
4653   EL_CUSTOM_START + 20,
4654   EL_CUSTOM_START + 21,
4655   EL_CUSTOM_START + 22,
4656   EL_CUSTOM_START + 23,
4657
4658   EL_CUSTOM_START + 24,
4659   EL_CUSTOM_START + 25,
4660   EL_CUSTOM_START + 26,
4661   EL_CUSTOM_START + 27,
4662
4663   EL_CUSTOM_START + 28,
4664   EL_CUSTOM_START + 29,
4665   EL_CUSTOM_START + 30,
4666   EL_CUSTOM_START + 31,
4667
4668   EL_CUSTOM_START + 32,
4669   EL_CUSTOM_START + 33,
4670   EL_CUSTOM_START + 34,
4671   EL_CUSTOM_START + 35,
4672
4673   EL_CUSTOM_START + 36,
4674   EL_CUSTOM_START + 37,
4675   EL_CUSTOM_START + 38,
4676   EL_CUSTOM_START + 39,
4677
4678   EL_CUSTOM_START + 40,
4679   EL_CUSTOM_START + 41,
4680   EL_CUSTOM_START + 42,
4681   EL_CUSTOM_START + 43,
4682
4683   EL_CUSTOM_START + 44,
4684   EL_CUSTOM_START + 45,
4685   EL_CUSTOM_START + 46,
4686   EL_CUSTOM_START + 47,
4687
4688   EL_CUSTOM_START + 48,
4689   EL_CUSTOM_START + 49,
4690   EL_CUSTOM_START + 50,
4691   EL_CUSTOM_START + 51,
4692
4693   EL_CUSTOM_START + 52,
4694   EL_CUSTOM_START + 53,
4695   EL_CUSTOM_START + 54,
4696   EL_CUSTOM_START + 55,
4697
4698   EL_CUSTOM_START + 56,
4699   EL_CUSTOM_START + 57,
4700   EL_CUSTOM_START + 58,
4701   EL_CUSTOM_START + 59,
4702
4703   EL_CUSTOM_START + 60,
4704   EL_CUSTOM_START + 61,
4705   EL_CUSTOM_START + 62,
4706   EL_CUSTOM_START + 63,
4707
4708   EL_CUSTOM_START + 64,
4709   EL_CUSTOM_START + 65,
4710   EL_CUSTOM_START + 66,
4711   EL_CUSTOM_START + 67,
4712
4713   EL_CUSTOM_START + 68,
4714   EL_CUSTOM_START + 69,
4715   EL_CUSTOM_START + 70,
4716   EL_CUSTOM_START + 71,
4717
4718   EL_CUSTOM_START + 72,
4719   EL_CUSTOM_START + 73,
4720   EL_CUSTOM_START + 74,
4721   EL_CUSTOM_START + 75,
4722
4723   EL_CUSTOM_START + 76,
4724   EL_CUSTOM_START + 77,
4725   EL_CUSTOM_START + 78,
4726   EL_CUSTOM_START + 79,
4727
4728   EL_CUSTOM_START + 80,
4729   EL_CUSTOM_START + 81,
4730   EL_CUSTOM_START + 82,
4731   EL_CUSTOM_START + 83,
4732
4733   EL_CUSTOM_START + 84,
4734   EL_CUSTOM_START + 85,
4735   EL_CUSTOM_START + 86,
4736   EL_CUSTOM_START + 87,
4737
4738   EL_CUSTOM_START + 88,
4739   EL_CUSTOM_START + 89,
4740   EL_CUSTOM_START + 90,
4741   EL_CUSTOM_START + 91,
4742
4743   EL_CUSTOM_START + 92,
4744   EL_CUSTOM_START + 93,
4745   EL_CUSTOM_START + 94,
4746   EL_CUSTOM_START + 95,
4747
4748   EL_CUSTOM_START + 96,
4749   EL_CUSTOM_START + 97,
4750   EL_CUSTOM_START + 98,
4751   EL_CUSTOM_START + 99,
4752
4753   EL_CUSTOM_START + 100,
4754   EL_CUSTOM_START + 101,
4755   EL_CUSTOM_START + 102,
4756   EL_CUSTOM_START + 103,
4757
4758   EL_CUSTOM_START + 104,
4759   EL_CUSTOM_START + 105,
4760   EL_CUSTOM_START + 106,
4761   EL_CUSTOM_START + 107,
4762
4763   EL_CUSTOM_START + 108,
4764   EL_CUSTOM_START + 109,
4765   EL_CUSTOM_START + 110,
4766   EL_CUSTOM_START + 111,
4767
4768   EL_CUSTOM_START + 112,
4769   EL_CUSTOM_START + 113,
4770   EL_CUSTOM_START + 114,
4771   EL_CUSTOM_START + 115,
4772
4773   EL_CUSTOM_START + 116,
4774   EL_CUSTOM_START + 117,
4775   EL_CUSTOM_START + 118,
4776   EL_CUSTOM_START + 119,
4777
4778   EL_CUSTOM_START + 120,
4779   EL_CUSTOM_START + 121,
4780   EL_CUSTOM_START + 122,
4781   EL_CUSTOM_START + 123,
4782
4783   EL_CUSTOM_START + 124,
4784   EL_CUSTOM_START + 125,
4785   EL_CUSTOM_START + 126,
4786   EL_CUSTOM_START + 127,
4787
4788   EL_CUSTOM_START + 128,
4789   EL_CUSTOM_START + 129,
4790   EL_CUSTOM_START + 130,
4791   EL_CUSTOM_START + 131,
4792
4793   EL_CUSTOM_START + 132,
4794   EL_CUSTOM_START + 133,
4795   EL_CUSTOM_START + 134,
4796   EL_CUSTOM_START + 135,
4797
4798   EL_CUSTOM_START + 136,
4799   EL_CUSTOM_START + 137,
4800   EL_CUSTOM_START + 138,
4801   EL_CUSTOM_START + 139,
4802
4803   EL_CUSTOM_START + 140,
4804   EL_CUSTOM_START + 141,
4805   EL_CUSTOM_START + 142,
4806   EL_CUSTOM_START + 143,
4807
4808   EL_CUSTOM_START + 144,
4809   EL_CUSTOM_START + 145,
4810   EL_CUSTOM_START + 146,
4811   EL_CUSTOM_START + 147,
4812
4813   EL_CUSTOM_START + 148,
4814   EL_CUSTOM_START + 149,
4815   EL_CUSTOM_START + 150,
4816   EL_CUSTOM_START + 151,
4817
4818   EL_CUSTOM_START + 152,
4819   EL_CUSTOM_START + 153,
4820   EL_CUSTOM_START + 154,
4821   EL_CUSTOM_START + 155,
4822
4823   EL_CUSTOM_START + 156,
4824   EL_CUSTOM_START + 157,
4825   EL_CUSTOM_START + 158,
4826   EL_CUSTOM_START + 159,
4827
4828   EL_CUSTOM_START + 160,
4829   EL_CUSTOM_START + 161,
4830   EL_CUSTOM_START + 162,
4831   EL_CUSTOM_START + 163,
4832
4833   EL_CUSTOM_START + 164,
4834   EL_CUSTOM_START + 165,
4835   EL_CUSTOM_START + 166,
4836   EL_CUSTOM_START + 167,
4837
4838   EL_CUSTOM_START + 168,
4839   EL_CUSTOM_START + 169,
4840   EL_CUSTOM_START + 170,
4841   EL_CUSTOM_START + 171,
4842
4843   EL_CUSTOM_START + 172,
4844   EL_CUSTOM_START + 173,
4845   EL_CUSTOM_START + 174,
4846   EL_CUSTOM_START + 175,
4847
4848   EL_CUSTOM_START + 176,
4849   EL_CUSTOM_START + 177,
4850   EL_CUSTOM_START + 178,
4851   EL_CUSTOM_START + 179,
4852
4853   EL_CUSTOM_START + 180,
4854   EL_CUSTOM_START + 181,
4855   EL_CUSTOM_START + 182,
4856   EL_CUSTOM_START + 183,
4857
4858   EL_CUSTOM_START + 184,
4859   EL_CUSTOM_START + 185,
4860   EL_CUSTOM_START + 186,
4861   EL_CUSTOM_START + 187,
4862
4863   EL_CUSTOM_START + 188,
4864   EL_CUSTOM_START + 189,
4865   EL_CUSTOM_START + 190,
4866   EL_CUSTOM_START + 191,
4867
4868   EL_CUSTOM_START + 192,
4869   EL_CUSTOM_START + 193,
4870   EL_CUSTOM_START + 194,
4871   EL_CUSTOM_START + 195,
4872
4873   EL_CUSTOM_START + 196,
4874   EL_CUSTOM_START + 197,
4875   EL_CUSTOM_START + 198,
4876   EL_CUSTOM_START + 199,
4877
4878   EL_CUSTOM_START + 200,
4879   EL_CUSTOM_START + 201,
4880   EL_CUSTOM_START + 202,
4881   EL_CUSTOM_START + 203,
4882
4883   EL_CUSTOM_START + 204,
4884   EL_CUSTOM_START + 205,
4885   EL_CUSTOM_START + 206,
4886   EL_CUSTOM_START + 207,
4887
4888   EL_CUSTOM_START + 208,
4889   EL_CUSTOM_START + 209,
4890   EL_CUSTOM_START + 210,
4891   EL_CUSTOM_START + 211,
4892
4893   EL_CUSTOM_START + 212,
4894   EL_CUSTOM_START + 213,
4895   EL_CUSTOM_START + 214,
4896   EL_CUSTOM_START + 215,
4897
4898   EL_CUSTOM_START + 216,
4899   EL_CUSTOM_START + 217,
4900   EL_CUSTOM_START + 218,
4901   EL_CUSTOM_START + 219,
4902
4903   EL_CUSTOM_START + 220,
4904   EL_CUSTOM_START + 221,
4905   EL_CUSTOM_START + 222,
4906   EL_CUSTOM_START + 223,
4907
4908   EL_CUSTOM_START + 224,
4909   EL_CUSTOM_START + 225,
4910   EL_CUSTOM_START + 226,
4911   EL_CUSTOM_START + 227,
4912
4913   EL_CUSTOM_START + 228,
4914   EL_CUSTOM_START + 229,
4915   EL_CUSTOM_START + 230,
4916   EL_CUSTOM_START + 231,
4917
4918   EL_CUSTOM_START + 232,
4919   EL_CUSTOM_START + 233,
4920   EL_CUSTOM_START + 234,
4921   EL_CUSTOM_START + 235,
4922
4923   EL_CUSTOM_START + 236,
4924   EL_CUSTOM_START + 237,
4925   EL_CUSTOM_START + 238,
4926   EL_CUSTOM_START + 239,
4927
4928   EL_CUSTOM_START + 240,
4929   EL_CUSTOM_START + 241,
4930   EL_CUSTOM_START + 242,
4931   EL_CUSTOM_START + 243,
4932
4933   EL_CUSTOM_START + 244,
4934   EL_CUSTOM_START + 245,
4935   EL_CUSTOM_START + 246,
4936   EL_CUSTOM_START + 247,
4937
4938   EL_CUSTOM_START + 248,
4939   EL_CUSTOM_START + 249,
4940   EL_CUSTOM_START + 250,
4941   EL_CUSTOM_START + 251,
4942
4943   EL_CUSTOM_START + 252,
4944   EL_CUSTOM_START + 253,
4945   EL_CUSTOM_START + 254,
4946   EL_CUSTOM_START + 255
4947 };
4948 static int *editor_hl_custom_ptr = editor_hl_custom;
4949 static int *editor_el_custom_ptr = editor_el_custom;
4950 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4951 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4952
4953 static int editor_hl_group[] =
4954 {
4955   EL_INTERNAL_CASCADE_GE_ACTIVE,
4956   EL_CHAR('G'),
4957   EL_CHAR('E'),
4958   EL_EMPTY,
4959 };
4960
4961 static int editor_el_group[] =
4962 {
4963   EL_GROUP_START + 0,
4964   EL_GROUP_START + 1,
4965   EL_GROUP_START + 2,
4966   EL_GROUP_START + 3,
4967
4968   EL_GROUP_START + 4,
4969   EL_GROUP_START + 5,
4970   EL_GROUP_START + 6,
4971   EL_GROUP_START + 7,
4972
4973   EL_GROUP_START + 8,
4974   EL_GROUP_START + 9,
4975   EL_GROUP_START + 10,
4976   EL_GROUP_START + 11,
4977
4978   EL_GROUP_START + 12,
4979   EL_GROUP_START + 13,
4980   EL_GROUP_START + 14,
4981   EL_GROUP_START + 15,
4982
4983   EL_GROUP_START + 16,
4984   EL_GROUP_START + 17,
4985   EL_GROUP_START + 18,
4986   EL_GROUP_START + 19,
4987
4988   EL_GROUP_START + 20,
4989   EL_GROUP_START + 21,
4990   EL_GROUP_START + 22,
4991   EL_GROUP_START + 23,
4992
4993   EL_GROUP_START + 24,
4994   EL_GROUP_START + 25,
4995   EL_GROUP_START + 26,
4996   EL_GROUP_START + 27,
4997
4998   EL_GROUP_START + 28,
4999   EL_GROUP_START + 29,
5000   EL_GROUP_START + 30,
5001   EL_GROUP_START + 31
5002 };
5003 static int *editor_hl_group_ptr = editor_hl_group;
5004 static int *editor_el_group_ptr = editor_el_group;
5005 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5006 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5007
5008 static int editor_hl_reference[] =
5009 {
5010   EL_INTERNAL_CASCADE_REF_ACTIVE,
5011   EL_CHAR('R'),
5012   EL_CHAR('E'),
5013   EL_CHAR('F')
5014 };
5015
5016 static int editor_el_reference[] =
5017 {
5018   EL_TRIGGER_PLAYER,
5019   EL_TRIGGER_ELEMENT,
5020   EL_TRIGGER_CE_VALUE,
5021   EL_TRIGGER_CE_SCORE,
5022
5023   EL_SELF,
5024   EL_ANY_ELEMENT,
5025   EL_CURRENT_CE_VALUE,
5026   EL_CURRENT_CE_SCORE,
5027
5028   EL_PREV_CE_8,
5029   EL_PREV_CE_7,
5030   EL_PREV_CE_6,
5031   EL_PREV_CE_5,
5032
5033   EL_PREV_CE_4,
5034   EL_PREV_CE_3,
5035   EL_PREV_CE_2,
5036   EL_PREV_CE_1,
5037
5038   EL_NEXT_CE_1,
5039   EL_NEXT_CE_2,
5040   EL_NEXT_CE_3,
5041   EL_NEXT_CE_4,
5042
5043   EL_NEXT_CE_5,
5044   EL_NEXT_CE_6,
5045   EL_NEXT_CE_7,
5046   EL_NEXT_CE_8,
5047 };
5048 static int *editor_hl_reference_ptr = editor_hl_reference;
5049 static int *editor_el_reference_ptr = editor_el_reference;
5050 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5051 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5052
5053 static int editor_hl_user_defined[] =
5054 {
5055   EL_INTERNAL_CASCADE_USER_ACTIVE,
5056   EL_CHAR('M'),
5057   EL_CHAR('Y'),
5058   EL_EMPTY,
5059 };
5060
5061 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5062 static int *editor_el_user_defined_ptr = NULL;
5063 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5064 static int num_editor_el_user_defined = 0;
5065
5066 static int editor_hl_dynamic[] =
5067 {
5068   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5069   EL_CHAR('U'),
5070   EL_CHAR('S'),
5071   EL_CHAR('E'),
5072 };
5073
5074 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5075 static int *editor_el_dynamic_ptr = NULL;
5076 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5077 static int num_editor_el_dynamic = 0;
5078
5079 static int editor_hl_empty[] = { EL_EMPTY };
5080 static int *editor_el_empty = NULL;     /* dynamically allocated */
5081
5082 static int *editor_hl_empty_ptr = editor_hl_empty;
5083 static int *editor_el_empty_ptr = NULL;
5084 static int num_editor_hl_empty = 0;
5085 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5086
5087 static boolean use_el_empty = FALSE;
5088
5089 static int *editor_elements = NULL;     /* dynamically allocated */
5090 static int num_editor_elements = 0;     /* dynamically determined */
5091
5092 static boolean setup_editor_cascade_never = FALSE;
5093
5094 static boolean setup_editor_el_players                  = TRUE;
5095 static boolean setup_editor_el_boulderdash              = TRUE;
5096 static boolean setup_editor_el_emerald_mine             = TRUE;
5097 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5098 static boolean setup_editor_el_more                     = TRUE;
5099 static boolean setup_editor_el_sokoban                  = TRUE;
5100 static boolean setup_editor_el_supaplex                 = TRUE;
5101 static boolean setup_editor_el_diamond_caves            = TRUE;
5102 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5103 static boolean setup_editor_el_mirror_magic             = TRUE;
5104 static boolean setup_editor_el_deflektor                = TRUE;
5105 static boolean setup_editor_el_chars                    = TRUE;
5106 static boolean setup_editor_el_steel_chars              = TRUE;
5107 static boolean setup_editor_el_custom                   = TRUE;
5108 static boolean setup_editor_el_user_defined             = TRUE;
5109 static boolean setup_editor_el_dynamic                  = TRUE;
5110
5111 static int editor_hl_unused[] = { EL_EMPTY };
5112 static int *editor_hl_unused_ptr = editor_hl_unused;
5113 static int num_editor_hl_unused = 0;
5114
5115 static struct
5116 {
5117   boolean *setup_value;
5118   boolean *setup_cascade_value;
5119
5120   int **headline_list;
5121   int *headline_list_size;
5122
5123   int **element_list;
5124   int *element_list_size;
5125
5126   boolean last_setup_value;
5127 }
5128 editor_elements_info[] =
5129 {
5130   {
5131     &setup_editor_el_players,
5132     &setup_editor_cascade_never,
5133     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5134     &editor_el_players_ptr,             &num_editor_el_players
5135   },
5136   {
5137     &setup_editor_el_boulderdash,
5138     &setup.editor_cascade.el_bd,
5139     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5140     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5141   },
5142   {
5143     &setup_editor_el_emerald_mine,
5144     &setup.editor_cascade.el_em,
5145     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5146     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5147   },
5148   {
5149     &setup_editor_el_emerald_mine_club,
5150     &setup.editor_cascade.el_emc,
5151     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5152     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5153   },
5154   {
5155     &setup_editor_el_more,
5156     &setup.editor_cascade.el_rnd,
5157     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5158     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5159   },
5160   {
5161     &setup_editor_el_sokoban,
5162     &setup.editor_cascade.el_sb,
5163     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5164     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5165   },
5166   {
5167     &setup_editor_el_supaplex,
5168     &setup.editor_cascade.el_sp,
5169     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5170     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5171   },
5172   {
5173     &setup_editor_el_diamond_caves,
5174     &setup.editor_cascade.el_dc,
5175     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5176     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5177   },
5178   {
5179     &setup_editor_el_dx_boulderdash,
5180     &setup.editor_cascade.el_dx,
5181     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5182     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5183   },
5184   {
5185     &setup_editor_el_mirror_magic,
5186     &setup.editor_cascade.el_mm,
5187     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5188     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5189   },
5190   {
5191     &setup_editor_el_deflektor,
5192     &setup.editor_cascade.el_df,
5193     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5194     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5195   },
5196   {
5197     &setup_editor_el_chars,
5198     &setup.editor_cascade.el_chars,
5199     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5200     &editor_el_chars_ptr,               &num_editor_el_chars
5201   },
5202   {
5203     &setup_editor_el_steel_chars,
5204     &setup.editor_cascade.el_steel_chars,
5205     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5206     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5207   },
5208   {
5209     &setup_editor_el_custom,
5210     &setup.editor_cascade.el_ce,
5211     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5212     &editor_el_custom_ptr,              &num_editor_el_custom
5213   },
5214   {
5215     &setup_editor_el_custom,
5216     &setup.editor_cascade.el_ge,
5217     &editor_hl_group_ptr,               &num_editor_hl_group,
5218     &editor_el_group_ptr,               &num_editor_el_group
5219   },
5220   {
5221     &setup_editor_el_custom,
5222     &setup.editor_cascade.el_ref,
5223     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5224     &editor_el_reference_ptr,           &num_editor_el_reference
5225   },
5226   {
5227     &setup_editor_el_user_defined,
5228     &setup.editor_cascade.el_user,
5229     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5230     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5231   },
5232   {
5233     &setup_editor_el_dynamic,
5234     &setup.editor_cascade.el_dynamic,
5235     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5236     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5237   },
5238   {
5239     &use_el_empty,
5240     &use_el_empty,
5241     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5242     &editor_el_empty_ptr,               &num_editor_el_empty,
5243   },
5244   {
5245     NULL,
5246     NULL,
5247     NULL,                               NULL,
5248     NULL,                               NULL
5249   }
5250 };
5251
5252
5253 /*
5254   -----------------------------------------------------------------------------
5255   functions
5256   -----------------------------------------------------------------------------
5257 */
5258
5259 static int getMaxInfoTextLength()
5260 {
5261   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5262 }
5263
5264 static int getTextWidthForGadget(char *text)
5265 {
5266   if (text == NULL)
5267     return 0;
5268
5269   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5270 }
5271
5272 static int getTextWidthForDrawingArea(char *text)
5273 {
5274   if (text == NULL)
5275     return 0;
5276
5277   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5278 }
5279
5280 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5281 {
5282   return (gi->x + gi->width + getTextWidthForGadget(text));
5283 }
5284
5285 static char *getElementInfoText(int element)
5286 {
5287   char *info_text = NULL;
5288
5289   if (element < MAX_NUM_ELEMENTS)
5290   {
5291     if (strlen(element_info[element].description) > 0)
5292       info_text = element_info[element].description;
5293     else if (element_info[element].custom_description != NULL)
5294       info_text = element_info[element].custom_description;
5295     else if (element_info[element].editor_description != NULL)
5296       info_text = element_info[element].editor_description;
5297   }
5298
5299   if (info_text == NULL)
5300     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5301
5302   return info_text;
5303 }
5304
5305 static char *getElementDescriptionFilenameExt(char *basename)
5306 {
5307   char *elements_subdir = "elements";
5308   static char *elements_subdir2 = NULL;
5309   static char *filename = NULL;
5310
5311   if (elements_subdir2 == NULL)
5312     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5313
5314   checked_free(filename);
5315
5316   /* 1st try: look for element description in current level set directory */
5317   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5318   if (fileExists(filename))
5319     return filename;
5320
5321   free(filename);
5322
5323   /* 2nd try: look for element description in the game's base directory */
5324   filename = getPath3(options.docs_directory, elements_subdir, basename);
5325   if (fileExists(filename))
5326     return filename;
5327
5328   return NULL;
5329 }
5330
5331 char *getElementDescriptionFilename(int element)
5332 {
5333   char basename[MAX_FILENAME_LEN];
5334   char *filename;
5335
5336   /* 1st try: look for element description file for exactly this element */
5337   sprintf(basename, "%s.txt", element_info[element].token_name);
5338   filename = getElementDescriptionFilenameExt(basename);
5339   if (filename != NULL)
5340     return filename;
5341
5342   /* 2nd try: look for element description file for this element's class */
5343   sprintf(basename, "%s.txt", element_info[element].class_name);
5344   filename = getElementDescriptionFilenameExt(basename);
5345   if (filename != NULL)
5346     return filename;
5347
5348   return NULL;
5349 }
5350
5351 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5352 {
5353   boolean element_found[NUM_FILE_ELEMENTS];
5354   int i, x, y;
5355
5356   /* initialize list of used elements to "not used" */
5357   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5358     element_found[i] = FALSE;
5359
5360   /* find all elements used in current level */
5361   for (y = 0; y < lev_fieldy; y++)
5362     for (x = 0; x < lev_fieldx; x++)
5363       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5364         element_found[Feld[x][y]] = TRUE;
5365
5366   *num_elements = 0;
5367
5368   /* count number of elements used in current level */
5369   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5370     if (element_found[i])
5371       (*num_elements)++;
5372
5373   /* add space for up to 3 more elements for padding that may be needed */
5374   *num_elements += 3;
5375
5376   /* free memory for old list of elements, if needed */
5377   checked_free(*elements);
5378
5379   /* allocate memory for new list of elements */
5380   *elements = checked_malloc(*num_elements * sizeof(int));
5381
5382   *num_elements = 0;
5383
5384   /* add all elements used in current level (non-custom/group elements) */
5385   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5386     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5387       (*elements)[(*num_elements)++] = i;
5388
5389   /* add all elements used in current level (custom/group elements) */
5390   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5391     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5392       (*elements)[(*num_elements)++] = i;
5393
5394   while (*num_elements % 4)     /* pad with empty elements, if needed */
5395     (*elements)[(*num_elements)++] = EL_EMPTY;
5396 }
5397
5398 static void ReinitializeElementList_EnableSections()
5399 {
5400   /* default: enable all element sections */
5401
5402   setup_editor_el_players               = TRUE;
5403   setup_editor_el_boulderdash           = TRUE;
5404   setup_editor_el_emerald_mine          = TRUE;
5405   setup_editor_el_emerald_mine_club     = TRUE;
5406   setup_editor_el_more                  = TRUE;
5407   setup_editor_el_sokoban               = TRUE;
5408   setup_editor_el_supaplex              = TRUE;
5409   setup_editor_el_diamond_caves         = TRUE;
5410   setup_editor_el_dx_boulderdash        = TRUE;
5411   setup_editor_el_mirror_magic          = TRUE;
5412   setup_editor_el_deflektor             = TRUE;
5413   setup_editor_el_chars                 = TRUE;
5414   setup_editor_el_steel_chars           = TRUE;
5415
5416   setup_editor_el_custom                = TRUE;
5417   setup_editor_el_user_defined          = TRUE;
5418   setup_editor_el_dynamic               = TRUE;
5419
5420   /* now disable all element sections not to be displayed */
5421
5422   if (!setup.editor.el_classic)
5423   {
5424     setup_editor_el_players             = FALSE;
5425     setup_editor_el_boulderdash         = FALSE;
5426     setup_editor_el_emerald_mine        = FALSE;
5427     setup_editor_el_emerald_mine_club   = FALSE;
5428     setup_editor_el_more                = FALSE;
5429     setup_editor_el_sokoban             = FALSE;
5430     setup_editor_el_supaplex            = FALSE;
5431     setup_editor_el_diamond_caves       = FALSE;
5432     setup_editor_el_dx_boulderdash      = FALSE;
5433     setup_editor_el_mirror_magic        = FALSE;
5434     setup_editor_el_deflektor           = FALSE;
5435     setup_editor_el_chars               = FALSE;
5436     setup_editor_el_steel_chars         = FALSE;
5437   }
5438
5439   if (!setup.editor.el_custom)
5440   {
5441     setup_editor_el_custom              = FALSE;
5442   }
5443
5444   if (!setup.editor.el_user_defined)
5445   {
5446     setup_editor_el_user_defined        = FALSE;
5447   }
5448
5449   if (!setup.editor.el_dynamic)
5450   {
5451     setup_editor_el_dynamic             = FALSE;
5452   }
5453
5454   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5455   {
5456     setup_editor_el_mirror_magic        = FALSE;
5457     setup_editor_el_deflektor           = FALSE;
5458   }
5459   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5460   {
5461     setup_editor_el_boulderdash         = FALSE;
5462     setup_editor_el_more                = FALSE;
5463     setup_editor_el_sokoban             = FALSE;
5464     setup_editor_el_supaplex            = FALSE;
5465     setup_editor_el_diamond_caves       = FALSE;
5466     setup_editor_el_dx_boulderdash      = FALSE;
5467     setup_editor_el_mirror_magic        = FALSE;
5468     setup_editor_el_deflektor           = FALSE;
5469     setup_editor_el_steel_chars         = FALSE;
5470
5471     setup_editor_el_custom              = FALSE;
5472   }
5473   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5474   {
5475     setup_editor_el_players             = FALSE;
5476     setup_editor_el_boulderdash         = FALSE;
5477     setup_editor_el_emerald_mine        = FALSE;
5478     setup_editor_el_emerald_mine_club   = FALSE;
5479     setup_editor_el_more                = FALSE;
5480     setup_editor_el_sokoban             = FALSE;
5481     setup_editor_el_diamond_caves       = FALSE;
5482     setup_editor_el_dx_boulderdash      = FALSE;
5483     setup_editor_el_mirror_magic        = FALSE;
5484     setup_editor_el_deflektor           = FALSE;
5485     setup_editor_el_chars               = FALSE;
5486     setup_editor_el_steel_chars         = FALSE;
5487
5488     setup_editor_el_custom              = FALSE;
5489   }
5490   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5491   {
5492     setup_editor_el_players             = FALSE;
5493     setup_editor_el_boulderdash         = FALSE;
5494     setup_editor_el_emerald_mine        = FALSE;
5495     setup_editor_el_emerald_mine_club   = FALSE;
5496     setup_editor_el_more                = FALSE;
5497     setup_editor_el_sokoban             = FALSE;
5498     setup_editor_el_supaplex            = FALSE;
5499     setup_editor_el_diamond_caves       = FALSE;
5500     setup_editor_el_dx_boulderdash      = FALSE;
5501     setup_editor_el_steel_chars         = FALSE;
5502
5503     setup_editor_el_custom              = FALSE;
5504   }
5505 }
5506
5507 static void ReinitializeElementList()
5508 {
5509   static boolean initialization_needed = TRUE;
5510   int pos = 0;
5511   int i, j;
5512
5513   ReinitializeElementList_EnableSections();
5514
5515   if (initialization_needed)
5516   {
5517     LoadSetup_EditorCascade();          /* load last editor cascade state */
5518
5519     /* initialize editor cascade element from saved cascade state */
5520     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5521     {
5522       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5523       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5524
5525       if (IS_EDITOR_CASCADE(*cascade_element))
5526         *cascade_element =
5527           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5528            EL_CASCADE_INACTIVE(*cascade_element));
5529     }
5530
5531     initialization_needed = FALSE;
5532   }
5533
5534   checked_free(editor_elements);
5535
5536   /* reload optional user defined element list for each invocation of editor */
5537   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5538                                    &num_editor_el_user_defined);
5539
5540   /* initialize dynamic level element list for each invocation of editor */
5541   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5542                                &num_editor_el_dynamic);
5543
5544   /* initialize list of empty elements (used for padding, if needed) */
5545   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5546     editor_el_empty[i] = EL_EMPTY;
5547
5548   /* do some sanity checks for each element from element list */
5549   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5550   {
5551     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5552     {
5553       int element = (*editor_elements_info[i].element_list)[j];
5554
5555       if (element >= NUM_FILE_ELEMENTS)
5556         Error(ERR_WARN, "editor element %d is runtime element", element);
5557
5558       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5559         Error(ERR_WARN, "no element description text for element %d", element);
5560     }
5561   }
5562
5563   num_editor_elements = 0;
5564   use_el_empty = FALSE;
5565
5566   /* determine size of element list */
5567   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5568   {
5569     boolean found_inactive_cascade = FALSE;
5570
5571     if (*editor_elements_info[i].setup_value)
5572     {
5573       if (setup.editor.el_headlines)
5574       {
5575         // required for correct padding of palette headline buttons
5576         if (*editor_elements_info[i].headline_list_size > 0)
5577           num_editor_elements += editor.palette.cols;
5578
5579         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5580         {
5581           int element = (*editor_elements_info[i].headline_list)[j];
5582
5583           if (IS_EDITOR_CASCADE_INACTIVE(element))
5584             found_inactive_cascade = TRUE;
5585         }
5586       }
5587
5588       if (found_inactive_cascade)
5589         continue;
5590
5591       // required for correct padding of palette element buttons
5592       int element_list_size = *editor_elements_info[i].element_list_size;
5593       int element_rows =
5594         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5595       int element_buttons = editor.palette.cols * element_rows;
5596
5597       num_editor_elements += element_buttons;
5598     }
5599   }
5600
5601   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5602   {
5603     /* offer at least as many elements as element buttons exist */
5604     use_el_empty = TRUE;
5605     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5606
5607     num_editor_elements += num_editor_el_empty;
5608   }
5609
5610   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5611
5612   /* fill element list */
5613   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5614   {
5615     boolean found_inactive_cascade = FALSE;
5616
5617     if (*editor_elements_info[i].setup_value)
5618     {
5619       if (setup.editor.el_headlines)
5620       {
5621         // required for correct padding of palette headline buttons
5622         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5623                              editor.palette.cols : 0);
5624
5625         for (j = 0; j < headline_size; j++)
5626         {
5627           // use empty elements for padding of palette headline buttons
5628           int element = (j < *editor_elements_info[i].headline_list_size ?
5629                          (*editor_elements_info[i].headline_list)[j] :
5630                          editor_el_empty[0]);
5631
5632           editor_elements[pos++] = element;
5633
5634           if (IS_EDITOR_CASCADE_INACTIVE(element))
5635             found_inactive_cascade = TRUE;
5636         }
5637       }
5638
5639       if (found_inactive_cascade)
5640         continue;
5641
5642       // required for correct padding of palette element buttons
5643       int element_list_size = *editor_elements_info[i].element_list_size;
5644       int element_rows =
5645         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5646       int element_buttons = editor.palette.cols * element_rows;
5647
5648       // copy all elements from element list
5649       for (j = 0; j < element_list_size; j++)
5650         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5651
5652       // use empty elements for padding of palette element buttons
5653       for (j = 0; j < element_buttons - element_list_size; j++)
5654         editor_elements[pos++] = editor_el_empty[0];
5655     }
5656   }
5657
5658   /* (this function is also called before editor gadgets are initialized!) */
5659   AdjustElementListScrollbar();
5660 }
5661
5662 void PrintEditorElementList()
5663 {
5664   boolean *stop = &setup_editor_el_user_defined;
5665   int i, j;
5666
5667   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5668   {
5669     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5670
5671     if (IS_EDITOR_CASCADE(cascade_element))
5672     {
5673       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5674       char *headline = element_info[cascade_element_show].editor_description;
5675
5676       PrintLineWithPrefix("# ", "-", 77);
5677       Print("# %s\n", headline);
5678       PrintLineWithPrefix("# ", "-", 77);
5679     }
5680
5681     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5682     {
5683       int element = (*editor_elements_info[i].headline_list)[j];
5684
5685       if (IS_EDITOR_CASCADE(element))
5686         element = EL_CHAR_MINUS;
5687
5688       Print("# %s\n", element_info[element].token_name);
5689     }
5690
5691     if (j > 0)
5692       Print("#\n");
5693
5694     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5695     {
5696       int element = (*editor_elements_info[i].element_list)[j];
5697
5698       Print("# %s\n", element_info[element].token_name);
5699     }
5700
5701     if (j > 0)
5702       Print("#\n");
5703   }
5704 }
5705
5706 static void ReinitializeElementListButtons()
5707 {
5708   static boolean last_setup_value_headlines = FALSE;
5709   static boolean initialization_needed = TRUE;
5710   int i;
5711
5712   if (!initialization_needed)   /* check if editor element setup has changed */
5713   {
5714     if (last_setup_value_headlines != setup.editor.el_headlines)
5715       initialization_needed = TRUE;
5716
5717     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5718       if (editor_elements_info[i].last_setup_value !=
5719           *editor_elements_info[i].setup_value)
5720         initialization_needed = TRUE;
5721   }
5722
5723   if (!initialization_needed)
5724     return;
5725
5726   FreeLevelEditorGadgets();
5727   CreateLevelEditorGadgets();
5728
5729   /* store current setup values for next invocation of this function */
5730   last_setup_value_headlines = setup.editor.el_headlines;
5731   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5732     editor_elements_info[i].last_setup_value =
5733       *editor_elements_info[i].setup_value;
5734
5735   initialization_needed = FALSE;
5736 }
5737
5738 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5739                               boolean input)
5740 {
5741   int border_graphic =
5742     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5743   struct GraphicInfo *g = &graphic_info[border_graphic];
5744   Bitmap *src_bitmap = g->bitmap;
5745   int src_x = g->src_x;
5746   int src_y = g->src_y;
5747   int border_size = g->border_size;
5748   int border_xpos = g->width  - border_size;
5749   int border_ypos = g->height - border_size;
5750   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5751   int i;
5752
5753   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5754              border_size, border_size,
5755              dest_x - border_size, dest_y - border_size);
5756   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5757              border_size, border_size,
5758              dest_x + width, dest_y - border_size);
5759   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5760              border_size, border_size,
5761              dest_x - border_size, dest_y + height);
5762   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5763              border_size, border_size,
5764              dest_x + width, dest_y + height);
5765
5766   for (i = 0; i < width / tilesize; i++)
5767   {
5768     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5769                tilesize, border_size,
5770                dest_x + i * tilesize, dest_y - border_size);
5771     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5772                tilesize, border_size,
5773                dest_x + i * tilesize, dest_y + height);
5774   }
5775
5776   for (i = 0; i < height / tilesize; i++)
5777   {
5778     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5779                border_size, tilesize,
5780                dest_x - border_size, dest_y + i * tilesize);
5781     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5782                border_size, tilesize,
5783                dest_x + width, dest_y + i * tilesize);
5784   }
5785
5786   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5787 }
5788
5789 static void DrawEditorElement(int x, int y, int element)
5790 {
5791   DrawSizedElement(x, y, element, ed_tilesize);
5792 }
5793
5794 static void DrawEditorElementThruMask(int x, int y, int element)
5795 {
5796   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5797 }
5798
5799 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5800 {
5801   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5802 }
5803
5804 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5805 {
5806   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5807 }
5808
5809 static void DrawDrawingArea(int id)
5810 {
5811   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5812   int x, y;
5813
5814   int *value = drawingarea_info[id].value;
5815   int area_xsize = drawingarea_info[id].area_xsize;
5816   int area_ysize = drawingarea_info[id].area_ysize;
5817   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5818
5819   for (x = 0; x < area_xsize; x++)
5820     for (y = 0; y < area_ysize; y++)
5821       DrawSizedGraphicExt(drawto,
5822                           gi->x + x * tilesize,
5823                           gi->y + y * tilesize,
5824                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5825 }
5826
5827 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5828 {
5829   int x, y;
5830   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5831   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5832
5833   BlitBitmap(drawto, drawto,
5834              SX + (dx == -1 ? ed_tilesize : 0),
5835              SY + (dy == -1 ? ed_tilesize : 0),
5836              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5837              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5838              SX + (dx == +1 ? ed_tilesize : 0),
5839              SY + (dy == +1 ? ed_tilesize : 0));
5840
5841   if (dx)
5842   {
5843     x = (dx == 1 ? 0 : ed_fieldx - 1);
5844     for (y = 0; y < ed_fieldy; y++)
5845       DrawEditorElementOrWall(x, y, from_x, from_y);
5846   }
5847   else if (dy)
5848   {
5849     y = (dy == 1 ? 0 : ed_fieldy - 1);
5850     for (x = 0; x < ed_fieldx; x++)
5851       DrawEditorElementOrWall(x, y, from_x, from_y);
5852   }
5853
5854   redraw_mask |= REDRAW_FIELD;
5855   BackToFront();
5856 }
5857
5858 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5859                             int *x, int *y)
5860 {
5861   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5862 }
5863
5864 static void CreateControlButtons()
5865 {
5866   struct GadgetInfo *gi;
5867   int i;
5868
5869   /* create toolbox buttons */
5870   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5871   {
5872     int id = controlbutton_info[i].gadget_id;
5873     int type = controlbutton_info[i].gadget_type;
5874     int graphic = controlbutton_info[i].graphic;
5875     struct XYTileSize *pos = controlbutton_info[i].pos;
5876     struct GraphicInfo *gd = &graphic_info[graphic];
5877     Bitmap *deco_bitmap = NULL;
5878     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5879     int tile_size = 0, deco_shift = 0;
5880     boolean deco_masked = FALSE;
5881     int gd_x1 = gd->src_x;
5882     int gd_y1 = gd->src_y;
5883     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5884     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5885     int gd_x1a = gd->src_x + gd->active_xoffset;
5886     int gd_y1a = gd->src_y + gd->active_yoffset;
5887     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5888     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5889     int x = pos->x;
5890     int y = pos->y;
5891     unsigned int event_mask;
5892     int radio_button_nr = RADIO_NR_NONE;
5893     boolean checked = FALSE;
5894
5895     if (type == GD_TYPE_RADIO_BUTTON)
5896     {
5897       event_mask = GD_EVENT_PRESSED;
5898       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5899
5900       if (id == drawing_function)
5901         checked = TRUE;
5902     }
5903     else
5904     {
5905       if (id == GADGET_ID_WRAP_LEFT ||
5906           id == GADGET_ID_WRAP_RIGHT ||
5907           id == GADGET_ID_WRAP_UP ||
5908           id == GADGET_ID_WRAP_DOWN)
5909         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5910       else
5911         event_mask = GD_EVENT_RELEASED;
5912     }
5913
5914     if (id == GADGET_ID_PROPERTIES ||
5915         id == GADGET_ID_PALETTE)
5916     {
5917       x += DX;
5918       y += DY;
5919     }
5920     else if (id == GADGET_ID_ELEMENT_LEFT ||
5921              id == GADGET_ID_ELEMENT_MIDDLE ||
5922              id == GADGET_ID_ELEMENT_RIGHT)
5923     {
5924       x += DX;
5925       y += DY;
5926
5927       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
5928                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
5929                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
5930
5931       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
5932                                    editor.button.element_left.tile_size :
5933                                    id == GADGET_ID_ELEMENT_MIDDLE ?
5934                                    editor.button.element_middle.tile_size :
5935                                    id == GADGET_ID_ELEMENT_RIGHT ?
5936                                    editor.button.element_right.tile_size : 0);
5937
5938       // make sure that decoration does not overlap gadget border
5939       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
5940
5941       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
5942
5943       deco_xpos = (gd->width  - tile_size) / 2;
5944       deco_ypos = (gd->height - tile_size) / 2;
5945       deco_shift = 1;
5946       deco_masked = gd->draw_masked;
5947     }
5948     else
5949     {
5950       x += EX;
5951       y += EY;
5952     }
5953
5954     gi = CreateGadget(GDI_CUSTOM_ID, id,
5955                       GDI_CUSTOM_TYPE_ID, i,
5956                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5957                       GDI_X, x,
5958                       GDI_Y, y,
5959                       GDI_WIDTH, gd->width,
5960                       GDI_HEIGHT, gd->height,
5961                       GDI_TYPE, type,
5962                       GDI_STATE, GD_BUTTON_UNPRESSED,
5963                       GDI_RADIO_NR, radio_button_nr,
5964                       GDI_CHECKED, checked,
5965                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5966                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5967                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5968                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5969                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5970                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5971                       GDI_DECORATION_SIZE, tile_size, tile_size,
5972                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
5973                       GDI_DECORATION_MASKED, deco_masked,
5974                       GDI_EVENT_MASK, event_mask,
5975                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5976                       GDI_CALLBACK_ACTION, HandleControlButtons,
5977                       GDI_END);
5978
5979     if (gi == NULL)
5980       Error(ERR_EXIT, "cannot create gadget");
5981
5982     level_editor_gadget[id] = gi;
5983   }
5984
5985   /* these values are not constant, but can change at runtime */
5986   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5987   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5988   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5989   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5990   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5991   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5992   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5993   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5994   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5995   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5996   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5997   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5998
5999   /* create buttons for scrolling of drawing area and element list */
6000   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6001   {
6002     int id = scrollbutton_info[i].gadget_id;
6003     int graphic = scrollbutton_info[i].graphic;
6004     struct GraphicInfo *gd = &graphic_info[graphic];
6005     Bitmap *gd_bitmap = gd->bitmap;
6006     int gd_x1 = gd->src_x;
6007     int gd_y1 = gd->src_y;
6008     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6009     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6010     int width  = gd->width;
6011     int height = gd->height;
6012     int x = scrollbutton_pos[i].x;
6013     int y = scrollbutton_pos[i].y;
6014     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6015
6016     if (id == GADGET_ID_SCROLL_LIST_UP ||
6017         id == GADGET_ID_SCROLL_LIST_DOWN)
6018     {
6019       x += PX;
6020       y += PY;
6021     }
6022     else
6023     {
6024       x += SX;
6025       y += SY;
6026     }
6027
6028     gi = CreateGadget(GDI_CUSTOM_ID, id,
6029                       GDI_CUSTOM_TYPE_ID, i,
6030                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6031                       GDI_X, x,
6032                       GDI_Y, y,
6033                       GDI_WIDTH, width,
6034                       GDI_HEIGHT, height,
6035                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6036                       GDI_STATE, GD_BUTTON_UNPRESSED,
6037                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6038                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6039                       GDI_EVENT_MASK, event_mask,
6040                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6041                       GDI_CALLBACK_ACTION, HandleControlButtons,
6042                       GDI_END);
6043
6044     if (gi == NULL)
6045       Error(ERR_EXIT, "cannot create gadget");
6046
6047     level_editor_gadget[id] = gi;
6048   }
6049
6050   /* create buttons for element list */
6051   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6052   {
6053     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6054     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6055     struct GraphicInfo *gd = &graphic_info[graphic];
6056     Bitmap *gd_bitmap = gd->bitmap;
6057     Bitmap *deco_bitmap;
6058     int deco_x, deco_y, deco_xpos, deco_ypos;
6059     int gd_x1 = gd->src_x;
6060     int gd_y1 = gd->src_y;
6061     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6062     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6063     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6064     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6065     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6066     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6067     int element = editor_elements[i];
6068     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6069     unsigned int event_mask = GD_EVENT_RELEASED;
6070
6071     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6072
6073     deco_xpos = (gd->width  - tile_size) / 2;
6074     deco_ypos = (gd->height - tile_size) / 2;
6075
6076     gi = CreateGadget(GDI_CUSTOM_ID, id,
6077                       GDI_CUSTOM_TYPE_ID, i,
6078                       GDI_INFO_TEXT, getElementInfoText(element),
6079                       GDI_X, x,
6080                       GDI_Y, y,
6081                       GDI_WIDTH, gd->width,
6082                       GDI_HEIGHT, gd->height,
6083                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6084                       GDI_STATE, GD_BUTTON_UNPRESSED,
6085                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6086                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6087                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6088                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6089                       GDI_DECORATION_SIZE, tile_size, tile_size,
6090                       GDI_DECORATION_SHIFTING, 1, 1,
6091                       GDI_EVENT_MASK, event_mask,
6092                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6093                       GDI_CALLBACK_ACTION, HandleControlButtons,
6094                       GDI_END);
6095
6096     if (gi == NULL)
6097       Error(ERR_EXIT, "cannot create gadget");
6098
6099     level_editor_gadget[id] = gi;
6100   }
6101 }
6102
6103 static void CreateCounterButtons()
6104 {
6105   int max_infotext_len = getMaxInfoTextLength();
6106   int i;
6107
6108   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6109   {
6110     int j;
6111     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6112     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6113
6114     /* determine horizontal position to the right of specified gadget */
6115     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6116       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6117            ED_GADGET_TEXT_DISTANCE);
6118
6119     /* determine horizontal offset for leading text */
6120     if (counterbutton_info[i].text_left != NULL)
6121       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6122
6123     for (j = 0; j < 2; j++)
6124     {
6125       struct GadgetInfo *gi;
6126       int id = (j == 0 ?
6127                 counterbutton_info[i].gadget_id_down :
6128                 counterbutton_info[i].gadget_id_up);
6129       int graphic;
6130       struct GraphicInfo *gd;
6131       int gd_x1, gd_x2, gd_y1, gd_y2;
6132       unsigned int event_mask;
6133       char infotext[max_infotext_len + 1];
6134
6135       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6136
6137       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6138       {
6139         graphic = (j == 0 ?
6140                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6141                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6142
6143         event_mask |= GD_EVENT_RELEASED;
6144
6145         if (j == 0)
6146         {
6147           x = DX + editor.button.prev_level.x;
6148           y = DY + editor.button.prev_level.y;
6149         }
6150         else
6151         {
6152           x = DX + editor.button.next_level.x;
6153           y = DY + editor.button.next_level.y;
6154         }
6155       }
6156       else
6157       {
6158         graphic = (j == 0 ?
6159                    IMG_EDITOR_COUNTER_DOWN :
6160                    IMG_EDITOR_COUNTER_UP);
6161       }
6162
6163       gd = &graphic_info[graphic];
6164
6165       gd_x1 = gd->src_x;
6166       gd_y1 = gd->src_y;
6167       gd_x2 = gd->src_x + gd->pressed_xoffset;
6168       gd_y2 = gd->src_y + gd->pressed_yoffset;
6169
6170       sprintf(infotext, "%s counter value by 1, 5 or 10",
6171               (j == 0 ? "decrease" : "increase"));
6172
6173       gi = CreateGadget(GDI_CUSTOM_ID, id,
6174                         GDI_CUSTOM_TYPE_ID, i,
6175                         GDI_INFO_TEXT, infotext,
6176                         GDI_X, x,
6177                         GDI_Y, y,
6178                         GDI_WIDTH, gd->width,
6179                         GDI_HEIGHT, gd->height,
6180                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6181                         GDI_STATE, GD_BUTTON_UNPRESSED,
6182                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6183                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6184                         GDI_EVENT_MASK, event_mask,
6185                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6186                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6187                         GDI_END);
6188
6189       if (gi == NULL)
6190         Error(ERR_EXIT, "cannot create gadget");
6191
6192       level_editor_gadget[id] = gi;
6193       right_gadget_border[id] =
6194         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6195
6196       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6197
6198       if (j == 0)
6199       {
6200         int font_type = FONT_INPUT_1;
6201         int font_type_active = FONT_INPUT_1_ACTIVE;
6202
6203         id = counterbutton_info[i].gadget_id_text;
6204
6205         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6206
6207         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6208         {
6209           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6210
6211           font_type = FONT_LEVEL_NUMBER;
6212           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6213
6214           x = DX + editor.input.level_number.x;
6215           y = DY + editor.input.level_number.y;
6216         }
6217         else
6218         {
6219           graphic = IMG_EDITOR_COUNTER_INPUT;
6220         }
6221
6222         gd = &graphic_info[graphic];
6223
6224         gd_x1 = gd->src_x;
6225         gd_y1 = gd->src_y;
6226         gd_x2 = gd->src_x + gd->active_xoffset;
6227         gd_y2 = gd->src_y + gd->active_yoffset;
6228
6229         gi = CreateGadget(GDI_CUSTOM_ID, id,
6230                           GDI_CUSTOM_TYPE_ID, i,
6231                           GDI_INFO_TEXT, "enter counter value",
6232                           GDI_X, x,
6233                           GDI_Y, y,
6234                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6235                           GDI_NUMBER_VALUE, 0,
6236                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6237                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6238                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6239                           GDI_TEXT_FONT, font_type,
6240                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6241                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6242                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6243                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6244                           GDI_DESIGN_WIDTH, gd->width,
6245                           GDI_EVENT_MASK, event_mask,
6246                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6247                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6248                           GDI_END);
6249
6250         if (gi == NULL)
6251           Error(ERR_EXIT, "cannot create gadget");
6252
6253         level_editor_gadget[id] = gi;
6254         right_gadget_border[id] =
6255           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6256
6257         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6258       }
6259     }
6260   }
6261 }
6262
6263 static void CreateDrawingAreas()
6264 {
6265   int i;
6266
6267   /* these values are not constant, but can change at runtime */
6268   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6269   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6270
6271   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6272   {
6273     struct GadgetInfo *gi;
6274     unsigned int event_mask;
6275     int id = drawingarea_info[i].gadget_id;
6276     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6277     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6278     int area_xsize = drawingarea_info[i].area_xsize;
6279     int area_ysize = drawingarea_info[i].area_ysize;
6280     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6281                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6282
6283     event_mask =
6284       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6285       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6286
6287     /* determine horizontal position to the right of specified gadget */
6288     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6289       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6290            ED_DRAWINGAREA_TEXT_DISTANCE);
6291
6292     /* determine horizontal offset for leading text */
6293     if (drawingarea_info[i].text_left != NULL)
6294       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6295
6296     gi = CreateGadget(GDI_CUSTOM_ID, id,
6297                       GDI_CUSTOM_TYPE_ID, i,
6298                       GDI_X, x,
6299                       GDI_Y, y,
6300                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6301                       GDI_AREA_SIZE, area_xsize, area_ysize,
6302                       GDI_ITEM_SIZE, item_size, item_size,
6303                       GDI_EVENT_MASK, event_mask,
6304                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6305                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6306                       GDI_END);
6307
6308     if (gi == NULL)
6309       Error(ERR_EXIT, "cannot create gadget");
6310
6311     level_editor_gadget[id] = gi;
6312     right_gadget_border[id] =
6313       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6314   }
6315 }
6316
6317 static void CreateTextInputGadgets()
6318 {
6319   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6320   int max_infotext_len = getMaxInfoTextLength();
6321   int i;
6322
6323   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6324   {
6325     int gd_x1 = gd->src_x;
6326     int gd_y1 = gd->src_y;
6327     int gd_x2 = gd->src_x + gd->active_xoffset;
6328     int gd_y2 = gd->src_y + gd->active_yoffset;
6329     struct GadgetInfo *gi;
6330     unsigned int event_mask;
6331     char infotext[MAX_OUTPUT_LINESIZE + 1];
6332     int id = textinput_info[i].gadget_id;
6333     int x, y;
6334
6335     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6336     {
6337       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6338       int border_size = gd->border_size;
6339       int font_nr = FONT_INPUT_1;
6340       int font_height = getFontHeight(font_nr);
6341       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6342       int yoffset = element_border + (TILEY - font_height) / 2;
6343
6344       x = (editor.settings.element_name.x != -1 ?
6345            editor.settings.element_name.x :
6346            editor.settings.element_graphic.x + xoffset) - border_size;
6347       y = (editor.settings.element_name.y != -1 ?
6348            editor.settings.element_name.y :
6349            editor.settings.element_graphic.y + yoffset) - border_size;
6350     }
6351     else
6352     {
6353       x = ED_SETTINGS_X(textinput_info[i].x);
6354       y = ED_SETTINGS_Y(textinput_info[i].y);
6355     }
6356
6357     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6358
6359     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6360     infotext[max_infotext_len] = '\0';
6361
6362     gi = CreateGadget(GDI_CUSTOM_ID, id,
6363                       GDI_CUSTOM_TYPE_ID, i,
6364                       GDI_INFO_TEXT, infotext,
6365                       GDI_X, SX + x,
6366                       GDI_Y, SY + y,
6367                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6368                       GDI_TEXT_VALUE, textinput_info[i].value,
6369                       GDI_TEXT_SIZE, textinput_info[i].size,
6370                       GDI_TEXT_FONT, FONT_INPUT_1,
6371                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6372                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6373                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6374                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6375                       GDI_DESIGN_WIDTH, gd->width,
6376                       GDI_EVENT_MASK, event_mask,
6377                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6378                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6379                       GDI_END);
6380
6381     if (gi == NULL)
6382       Error(ERR_EXIT, "cannot create gadget");
6383
6384     level_editor_gadget[id] = gi;
6385   }
6386 }
6387
6388 static void CreateTextAreaGadgets()
6389 {
6390   int max_infotext_len = getMaxInfoTextLength();
6391   int i;
6392
6393   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6394   {
6395     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6396     int gd_x1 = gd->src_x;
6397     int gd_y1 = gd->src_y;
6398     int gd_x2 = gd->src_x + gd->active_xoffset;
6399     int gd_y2 = gd->src_y + gd->active_yoffset;
6400     struct GadgetInfo *gi;
6401     unsigned int event_mask;
6402     char infotext[MAX_OUTPUT_LINESIZE + 1];
6403     int id = textarea_info[i].gadget_id;
6404     int area_xsize = textarea_info[i].xsize;
6405     int area_ysize = textarea_info[i].ysize;
6406
6407     event_mask = GD_EVENT_TEXT_LEAVING;
6408
6409     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6410     infotext[max_infotext_len] = '\0';
6411
6412     gi = CreateGadget(GDI_CUSTOM_ID, id,
6413                       GDI_CUSTOM_TYPE_ID, i,
6414                       GDI_INFO_TEXT, infotext,
6415                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6416                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6417                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6418                       GDI_AREA_SIZE, area_xsize, area_ysize,
6419                       GDI_TEXT_FONT, FONT_INPUT_1,
6420                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6421                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6422                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6423                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6424                       GDI_DESIGN_WIDTH, gd->width,
6425                       GDI_EVENT_MASK, event_mask,
6426                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6427                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6428                       GDI_END);
6429
6430     if (gi == NULL)
6431       Error(ERR_EXIT, "cannot create gadget");
6432
6433     level_editor_gadget[id] = gi;
6434   }
6435 }
6436
6437 static void CreateSelectboxGadgets()
6438 {
6439   int max_infotext_len = getMaxInfoTextLength();
6440   int i, j;
6441
6442   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6443   {
6444     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6445     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6446     int gd_x1 = gd->src_x;
6447     int gd_y1 = gd->src_y;
6448     int gd_x2 = gd->src_x + gd->active_xoffset;
6449     int gd_y2 = gd->src_y + gd->active_yoffset;
6450     int selectbox_button_xsize = gd2->width;
6451     struct GadgetInfo *gi;
6452     unsigned int event_mask;
6453     char infotext[MAX_OUTPUT_LINESIZE + 1];
6454     int id = selectbox_info[i].gadget_id;
6455     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6456     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6457
6458     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6459     {
6460       /* (we cannot use -1 for uninitialized values if we directly compare
6461          with results from strlen(), because the '<' and '>' operation will
6462          implicitely cast -1 to an unsigned integer value!) */
6463       selectbox_info[i].size = 0;
6464
6465       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6466         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6467           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6468
6469       selectbox_info[i].size++;         /* add one character empty space */
6470     }
6471
6472     event_mask = GD_EVENT_RELEASED |
6473       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6474
6475     /* determine horizontal position to the right of specified gadget */
6476     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6477       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6478            ED_GADGET_TEXT_DISTANCE);
6479
6480     /* determine horizontal offset for leading text */
6481     if (selectbox_info[i].text_left != NULL)
6482       x += getTextWidthForGadget(selectbox_info[i].text_left);
6483
6484     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6485     infotext[max_infotext_len] = '\0';
6486
6487     gi = CreateGadget(GDI_CUSTOM_ID, id,
6488                       GDI_CUSTOM_TYPE_ID, i,
6489                       GDI_INFO_TEXT, infotext,
6490                       GDI_X, x,
6491                       GDI_Y, y,
6492                       GDI_TYPE, GD_TYPE_SELECTBOX,
6493                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6494                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6495                       GDI_TEXT_SIZE, selectbox_info[i].size,
6496                       GDI_TEXT_FONT, FONT_INPUT_1,
6497                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6498                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6499                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6500                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6501                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6502                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6503                       GDI_DESIGN_WIDTH, gd->width,
6504                       GDI_EVENT_MASK, event_mask,
6505                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6506                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6507                       GDI_END);
6508
6509     if (gi == NULL)
6510       Error(ERR_EXIT, "cannot create gadget");
6511
6512     level_editor_gadget[id] = gi;
6513     right_gadget_border[id] =
6514       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6515   }
6516 }
6517
6518 static void CreateTextbuttonGadgets()
6519 {
6520   int max_infotext_len = getMaxInfoTextLength();
6521   int i;
6522
6523   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6524   {
6525     int id = textbutton_info[i].gadget_id;
6526     int is_tab_button =
6527       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6528        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6529     int graphic =
6530       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6531     int gadget_distance =
6532       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6533     struct GraphicInfo *gd = &graphic_info[graphic];
6534     int gd_x1 = gd->src_x;
6535     int gd_y1 = gd->src_y;
6536     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6537     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6538     int gd_x1a = gd->src_x + gd->active_xoffset;
6539     int gd_y1a = gd->src_y + gd->active_yoffset;
6540     int border_xsize = gd->border_size + gd->draw_xoffset;
6541     int border_ysize = gd->border_size;
6542     struct GadgetInfo *gi;
6543     unsigned int event_mask;
6544     char infotext[MAX_OUTPUT_LINESIZE + 1];
6545     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6546     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6547
6548     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6549       textbutton_info[i].size = strlen(textbutton_info[i].text);
6550
6551     event_mask = GD_EVENT_RELEASED;
6552
6553     sprintf(infotext, "%s", textbutton_info[i].infotext);
6554     infotext[max_infotext_len] = '\0';
6555
6556     /* determine horizontal position to the right of specified gadget */
6557     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6558     {
6559       int gadget_id_align = textbutton_info[i].gadget_id_align;
6560
6561       x = right_gadget_border[gadget_id_align] + gadget_distance;
6562
6563       if (textbutton_info[i].y == -1)
6564         y = level_editor_gadget[gadget_id_align]->y;
6565     }
6566
6567     /* determine horizontal offset for leading text */
6568     if (textbutton_info[i].text_left != NULL)
6569       x += getTextWidthForGadget(textbutton_info[i].text_left);
6570
6571     gi = CreateGadget(GDI_CUSTOM_ID, id,
6572                       GDI_CUSTOM_TYPE_ID, i,
6573                       GDI_INFO_TEXT, infotext,
6574                       GDI_X, x,
6575                       GDI_Y, y,
6576                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6577                       GDI_TEXT_VALUE, textbutton_info[i].text,
6578                       GDI_TEXT_SIZE, textbutton_info[i].size,
6579                       GDI_TEXT_FONT, FONT_INPUT_2,
6580                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6581                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6582                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6583                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6584                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6585                       GDI_DESIGN_WIDTH, gd->width,
6586                       GDI_DECORATION_SHIFTING, 1, 1,
6587                       GDI_EVENT_MASK, event_mask,
6588                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6589                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6590                       GDI_END);
6591
6592     if (gi == NULL)
6593       Error(ERR_EXIT, "cannot create gadget");
6594
6595     level_editor_gadget[id] = gi;
6596     right_gadget_border[id] =
6597       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6598   }
6599 }
6600
6601 static void CreateGraphicbuttonGadgets()
6602 {
6603   struct GadgetInfo *gi;
6604   unsigned int event_mask;
6605   int i;
6606
6607   /* create buttons for scrolling of drawing area and element list */
6608   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6609   {
6610     int id = graphicbutton_info[i].gadget_id;
6611     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6612     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6613     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6614     int gd_x1 = gd->src_x;
6615     int gd_y1 = gd->src_y;
6616     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6617     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6618
6619     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6620
6621     /* determine horizontal position to the right of specified gadget */
6622     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6623       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6624            ED_GADGET_TEXT_DISTANCE);
6625
6626     /* determine horizontal offset for leading text */
6627     if (graphicbutton_info[i].text_left != NULL)
6628       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6629
6630     gi = CreateGadget(GDI_CUSTOM_ID, id,
6631                       GDI_CUSTOM_TYPE_ID, i,
6632                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6633                       GDI_X, x,
6634                       GDI_Y, y,
6635                       GDI_WIDTH, gd->width,
6636                       GDI_HEIGHT, gd->height,
6637                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6638                       GDI_STATE, GD_BUTTON_UNPRESSED,
6639                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6640                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6641                       GDI_EVENT_MASK, event_mask,
6642                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6643                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6644                       GDI_END);
6645
6646     if (gi == NULL)
6647       Error(ERR_EXIT, "cannot create gadget");
6648
6649     level_editor_gadget[id] = gi;
6650     right_gadget_border[id] =
6651       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6652   }
6653 }
6654
6655 static void CreateScrollbarGadgets()
6656 {
6657   int i;
6658
6659   /* these values are not constant, but can change at runtime */
6660   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6661     SX + ED_SCROLL_HORIZONTAL_XPOS;
6662   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6663     SY + ED_SCROLL_HORIZONTAL_YPOS;
6664   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6665     ED_SCROLL_HORIZONTAL_XSIZE;
6666   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6667     ED_SCROLL_HORIZONTAL_YSIZE;
6668   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6669   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6670   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6671   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6672
6673   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6674     SX + ED_SCROLL_VERTICAL_XPOS;
6675   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6676     SY + ED_SCROLL_VERTICAL_YPOS;
6677   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6678     ED_SCROLL_VERTICAL_XSIZE;
6679   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6680     ED_SCROLL_VERTICAL_YSIZE;
6681   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6682   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6683   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6684   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6685
6686   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6687     PX + ED_SCROLL2_VERTICAL_XPOS;
6688   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6689     PY + ED_SCROLL2_VERTICAL_YPOS;
6690   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6691     ED_SCROLL2_VERTICAL_XSIZE;
6692   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6693     ED_SCROLL2_VERTICAL_YSIZE;
6694   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6695   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6696   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6697   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6698
6699   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6700   {
6701     int id = scrollbar_info[i].gadget_id;
6702     int graphic = scrollbar_info[i].graphic;
6703     struct GraphicInfo *gd = &graphic_info[graphic];
6704     int gd_x1 = gd->src_x;
6705     int gd_y1 = gd->src_y;
6706     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6707     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6708     struct GadgetInfo *gi;
6709     int items_max, items_visible, item_position;
6710     unsigned int event_mask;
6711
6712     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6713     {
6714       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6715       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6716       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6717     }
6718     else        /* drawing area scrollbars */
6719     {
6720       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6721       {
6722         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6723         items_visible = ed_fieldx;
6724         item_position = 0;
6725       }
6726       else
6727       {
6728         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6729         items_visible = ed_fieldy;
6730         item_position = 0;
6731       }
6732     }
6733
6734     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6735
6736     gi = CreateGadget(GDI_CUSTOM_ID, id,
6737                       GDI_CUSTOM_TYPE_ID, i,
6738                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6739                       GDI_X, scrollbar_pos[i].x,
6740                       GDI_Y, scrollbar_pos[i].y,
6741                       GDI_WIDTH, scrollbar_pos[i].width,
6742                       GDI_HEIGHT, scrollbar_pos[i].height,
6743                       GDI_TYPE, scrollbar_info[i].type,
6744                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6745                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6746                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6747                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6748                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6749                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6750                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6751                       GDI_STATE, GD_BUTTON_UNPRESSED,
6752                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6753                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6754                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6755                       GDI_EVENT_MASK, event_mask,
6756                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6757                       GDI_CALLBACK_ACTION, HandleControlButtons,
6758                       GDI_END);
6759
6760     if (gi == NULL)
6761       Error(ERR_EXIT, "cannot create gadget");
6762
6763     level_editor_gadget[id] = gi;
6764   }
6765 }
6766
6767 static void CreateCheckbuttonGadgets()
6768 {
6769   struct GadgetInfo *gi;
6770   unsigned int event_mask;
6771   int i;
6772
6773   event_mask = GD_EVENT_PRESSED;
6774
6775   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6776   {
6777     int id = checkbutton_info[i].gadget_id;
6778     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6779                    IMG_EDITOR_CHECKBOX);
6780     struct GraphicInfo *gd = &graphic_info[graphic];
6781     int gd_x1 = gd->src_x;
6782     int gd_y1 = gd->src_y;
6783     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6784     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6785     int gd_x1a = gd->src_x + gd->active_xoffset;
6786     int gd_y1a = gd->src_y + gd->active_yoffset;
6787     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6788     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6789     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6790     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6791
6792     /* determine horizontal position to the right of specified gadget */
6793     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6794       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6795            ED_GADGET_TEXT_DISTANCE);
6796
6797     /* determine horizontal offset for leading text */
6798     if (checkbutton_info[i].text_left != NULL)
6799       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6800
6801     gi = CreateGadget(GDI_CUSTOM_ID, id,
6802                       GDI_CUSTOM_TYPE_ID, i,
6803                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6804                       GDI_X, x,
6805                       GDI_Y, y,
6806                       GDI_WIDTH, gd->width,
6807                       GDI_HEIGHT, gd->height,
6808                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6809                       GDI_CHECKED, *checkbutton_info[i].value,
6810                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6811                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6812                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6813                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6814                       GDI_EVENT_MASK, event_mask,
6815                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6816                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6817                       GDI_END);
6818
6819     if (gi == NULL)
6820       Error(ERR_EXIT, "cannot create gadget");
6821
6822     level_editor_gadget[id] = gi;
6823     right_gadget_border[id] =
6824       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6825   }
6826 }
6827
6828 static void CreateRadiobuttonGadgets()
6829 {
6830   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6831   int gd_x1 = gd->src_x;
6832   int gd_y1 = gd->src_y;
6833   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6834   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6835   int gd_x1a = gd->src_x + gd->active_xoffset;
6836   int gd_y1a = gd->src_y + gd->active_yoffset;
6837   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6838   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6839   struct GadgetInfo *gi;
6840   unsigned int event_mask;
6841   int i;
6842
6843   event_mask = GD_EVENT_PRESSED;
6844
6845   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6846   {
6847     int id = radiobutton_info[i].gadget_id;
6848     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6849     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6850
6851     int checked =
6852       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6853
6854     /* determine horizontal position to the right of specified gadget */
6855     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6856       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6857            ED_GADGET_TEXT_DISTANCE);
6858
6859     /* determine horizontal offset for leading text */
6860     if (radiobutton_info[i].text_left != NULL)
6861       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6862
6863     gi = CreateGadget(GDI_CUSTOM_ID, id,
6864                       GDI_CUSTOM_TYPE_ID, i,
6865                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6866                       GDI_X, x,
6867                       GDI_Y, y,
6868                       GDI_WIDTH, gd->width,
6869                       GDI_HEIGHT, gd->height,
6870                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6871                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6872                       GDI_CHECKED, checked,
6873                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6874                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6875                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6876                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6877                       GDI_EVENT_MASK, event_mask,
6878                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6879                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6880                       GDI_END);
6881
6882     if (gi == NULL)
6883       Error(ERR_EXIT, "cannot create gadget");
6884
6885     level_editor_gadget[id] = gi;
6886     right_gadget_border[id] =
6887       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6888   }
6889 }
6890
6891 void CreateLevelEditorGadgets()
6892 {
6893   /* force EDITOR font inside level editor */
6894   SetFontStatus(GAME_MODE_EDITOR);
6895
6896   /* these values are not constant, but can change at runtime */
6897   ed_fieldx = MAX_ED_FIELDX - 1;
6898   ed_fieldy = MAX_ED_FIELDY - 1;
6899
6900   num_editor_gadgets = NUM_EDITOR_GADGETS;
6901
6902   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6903
6904   level_editor_gadget =
6905     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6906   right_gadget_border =
6907     checked_calloc(num_editor_gadgets * sizeof(int));
6908
6909   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6910   editor_el_empty_ptr = editor_el_empty;
6911
6912   use_permanent_palette = !editor.palette.show_as_separate_screen;
6913
6914   ReinitializeElementList();
6915
6916   CreateControlButtons();
6917   CreateScrollbarGadgets();
6918
6919   /* order of function calls is important because of cross-references */
6920   CreateCheckbuttonGadgets();
6921   CreateCounterButtons();
6922   CreateRadiobuttonGadgets();
6923   CreateTextInputGadgets();
6924   CreateTextAreaGadgets();
6925   CreateSelectboxGadgets();
6926   CreateGraphicbuttonGadgets();
6927   CreateTextbuttonGadgets();
6928   CreateDrawingAreas();
6929
6930   ResetFontStatus();
6931 }
6932
6933 void FreeLevelEditorGadgets()
6934 {
6935   int i;
6936
6937   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6938
6939   for (i = 0; i < num_editor_gadgets; i++)
6940   {
6941     FreeGadget(level_editor_gadget[i]);
6942
6943     level_editor_gadget[i] = NULL;
6944   }
6945
6946   checked_free(level_editor_gadget);
6947   checked_free(right_gadget_border);
6948
6949   checked_free(editor_el_empty);
6950 }
6951
6952 static void MapCounterButtons(int id)
6953 {
6954   int font_nr = FONT_TEXT_1;
6955   int font_height = getFontHeight(font_nr);
6956   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6957   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6958   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6959   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6960   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6961   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6962   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6963   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6964   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6965   int yoffset = (gi_down->height - font_height) / 2;
6966   int x_left = gi_down->x - xoffset_left;
6967   int x_right;  /* set after gadget position was modified */
6968   int y_above = gi_down->y - yoffset_above;
6969   int x = gi_down->x;
6970   int y;        /* set after gadget position was modified */
6971
6972   /* counter limits must be changed first to prevent value truncation */
6973   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6974                             counterbutton_info[id].max_value);
6975
6976   /* right text position might have changed after setting position above */
6977   x_right = gi_up->x + gi_up->width + xoffset_right;
6978
6979   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6980
6981   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6982   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6983       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6984   {
6985     ModifyGadget(gi_down, GDI_Y,
6986                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6987     ModifyGadget(gi_text, GDI_Y,
6988                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6989     ModifyGadget(gi_up,   GDI_Y,
6990                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6991   }
6992
6993   /* vertical position might have changed after setting position above */
6994   y = gi_up->y + yoffset;
6995
6996   if (counterbutton_info[id].text_above)
6997     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6998
6999   if (counterbutton_info[id].text_left)
7000     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7001
7002   if (counterbutton_info[id].text_right)
7003     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7004
7005   MapGadget(gi_down);
7006   MapGadget(gi_text);
7007   MapGadget(gi_up);
7008 }
7009
7010 static void MapControlButtons()
7011 {
7012   int counter_id;
7013   int i;
7014
7015   /* map toolbox buttons (excluding special CE toolbox buttons) */
7016   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7017     MapGadget(level_editor_gadget[i]);
7018
7019   /* map toolbox buttons (element properties buttons) */
7020   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7021     MapGadget(level_editor_gadget[i]);
7022
7023   if (use_permanent_palette)
7024   {
7025     /* map buttons to select elements */
7026     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7027       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7028     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7029     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7030     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7031   }
7032
7033   /* map buttons to select level */
7034   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7035   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7036   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7037   MapCounterButtons(counter_id);
7038 }
7039
7040 static void MapDrawingArea(int id)
7041 {
7042   int font_nr = FONT_TEXT_1;
7043   int font_height = getFontHeight(font_nr);
7044   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7045   int area_xsize = gi->drawing.area_xsize;
7046   int area_ysize = gi->drawing.area_ysize;
7047   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7048   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7049   int x_left  = gi->x - xoffset_left;
7050   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7051   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7052   int y_side  = gi->y + (gi->height - font_height) / 2;
7053   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7054
7055   if (drawingarea_info[id].text_left)
7056     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7057
7058   if (drawingarea_info[id].text_right)
7059     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7060
7061   if (drawingarea_info[id].text_below)
7062     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7063
7064   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7065   {
7066     DrawElementBorder(gi->x, gi->y,
7067                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7068                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7069
7070     DrawDrawingArea(id);
7071   }
7072
7073   MapGadget(gi);
7074 }
7075
7076 static void MapTextInputGadget(int id)
7077 {
7078   int font_nr = FONT_TEXT_1;
7079   int font_height = getFontHeight(font_nr);
7080   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7081   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7082   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7083   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7084
7085   if (textinput_info[id].text_above)
7086     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7087
7088   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7089
7090   MapGadget(gi);
7091 }
7092
7093 static void MapTextAreaGadget(int id)
7094 {
7095   int font_nr = FONT_TEXT_1;
7096   int font_height = getFontHeight(font_nr);
7097   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7098   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7099   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7100   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7101
7102   if (textarea_info[id].text_above)
7103     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7104
7105   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7106
7107   MapGadget(gi);
7108 }
7109
7110 static void MapSelectboxGadget(int id)
7111 {
7112   int font_nr = FONT_TEXT_1;
7113   int font_height = getFontHeight(font_nr);
7114   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7115   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7116   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7117   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7118   int yoffset = (gi->height - font_height) / 2;
7119   int x_left = gi->x - xoffset_left;
7120   int x_right = gi->x + gi->width + xoffset_right;
7121   int y_above = gi->y - yoffset_above;
7122   int x = gi->x;
7123   int y = gi->y + yoffset;
7124
7125   if (selectbox_info[id].text_above)
7126     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7127
7128   if (selectbox_info[id].text_left)
7129     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7130
7131   if (selectbox_info[id].text_right)
7132     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7133
7134   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7135
7136   MapGadget(gi);
7137 }
7138
7139 static void MapTextbuttonGadget(int id)
7140 {
7141   int font_nr = FONT_TEXT_1;
7142   int font_height = getFontHeight(font_nr);
7143   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7144   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7145   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7146   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7147   int yoffset = (gi->height - font_height) / 2;
7148   int x_left = gi->x - xoffset_left;
7149   int x_right = gi->x + gi->width + xoffset_right;
7150   int y_above = gi->y - yoffset_above;
7151   int x = gi->x;
7152   int y = gi->y + yoffset;
7153
7154   /* only show button to delete change pages when more than minimum pages */
7155   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7156       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7157     return;
7158
7159   if (textbutton_info[id].text_above)
7160     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7161
7162   if (textbutton_info[id].text_left)
7163     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7164
7165   if (textbutton_info[id].text_right)
7166     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7167
7168   MapGadget(gi);
7169 }
7170
7171 static void MapGraphicbuttonGadget(int id)
7172 {
7173   int font_nr = FONT_TEXT_1;
7174   int font_height = getFontHeight(font_nr);
7175   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7176   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7177   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7178   int yoffset = (gi->height - font_height) / 2;
7179   int x_left = gi->x - xoffset_left;
7180   int x_right = gi->x + gi->width + xoffset_right;
7181   int y = gi->y + yoffset;
7182
7183   if (graphicbutton_info[id].text_left)
7184     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7185
7186   if (graphicbutton_info[id].text_right)
7187     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7188
7189   MapGadget(gi);
7190 }
7191
7192 static void MapRadiobuttonGadget(int id)
7193 {
7194   int font_nr = FONT_TEXT_1;
7195   int font_height = getFontHeight(font_nr);
7196   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7197   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7198   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7199   int yoffset = (gi->height - font_height) / 2;
7200   int x_left = gi->x - xoffset_left;
7201   int x_right = gi->x + gi->width + xoffset_right;
7202   int y = gi->y + yoffset;
7203   boolean checked =
7204     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7205
7206   if (radiobutton_info[id].text_left)
7207     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7208
7209   if (radiobutton_info[id].text_right)
7210     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7211
7212   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7213
7214   MapGadget(gi);
7215 }
7216
7217 static void MapCheckbuttonGadget(int id)
7218 {
7219   int font_nr = FONT_TEXT_1;
7220   int font_height = getFontHeight(font_nr);
7221   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7222   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7223   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7224   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7225   int yoffset = (gi->height - font_height) / 2;
7226   int y_above = gi->y - yoffset_above;
7227   int x = gi->x;
7228   int x_left, x_right, y;       /* set after gadget position was modified */
7229
7230   /* set position for gadgets with dynamically determined position */
7231   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7232     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7233   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7234
7235   x_left = gi->x - xoffset_left;
7236   x_right = gi->x + gi->width + xoffset_right;
7237   y = gi->y + yoffset;
7238
7239   if (checkbutton_info[id].text_above)
7240     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7241
7242   if (checkbutton_info[id].text_left)
7243     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7244
7245   if (checkbutton_info[id].text_right)
7246     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7247
7248   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7249
7250   MapGadget(gi);
7251 }
7252
7253 static void MapMainDrawingArea()
7254 {
7255   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7256   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7257   int i;
7258
7259   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7260   {
7261     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7262           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7263          no_horizontal_scrollbar) ||
7264         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7265           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7266          no_vertical_scrollbar))
7267       continue;
7268
7269     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7270   }
7271
7272   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7273   {
7274     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7275         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7276       continue;
7277
7278     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7279   }
7280
7281   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7282 }
7283
7284 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7285 {
7286   int i;
7287
7288   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7289   {
7290     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7291         i == GADGET_ID_CUSTOM_COPY_TO ||
7292         i == GADGET_ID_CUSTOM_EXCHANGE ||
7293         i == GADGET_ID_CUSTOM_COPY ||
7294         i == GADGET_ID_CUSTOM_PASTE)
7295     {
7296       if (map)
7297         MapGadget(level_editor_gadget[i]);
7298       else
7299         UnmapGadget(level_editor_gadget[i]);
7300     }
7301   }
7302 }
7303
7304 static void MapLevelEditorToolboxCustomGadgets()
7305 {
7306   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7307 }
7308
7309 static void UnmapLevelEditorToolboxCustomGadgets()
7310 {
7311   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7312 }
7313
7314 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7315 {
7316   int i;
7317
7318   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7319   {
7320     if (i != GADGET_ID_SINGLE_ITEMS &&
7321         i != GADGET_ID_PICK_ELEMENT)
7322     {
7323       struct GadgetInfo *gi = level_editor_gadget[i];
7324
7325       if (map)
7326       {
7327         MapGadget(gi);
7328       }
7329       else
7330       {
7331         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7332         struct GraphicInfo *gd = &graphic_info[graphic];
7333
7334         UnmapGadget(gi);
7335
7336         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7337                    gi->width, gi->height, gi->x, gi->y);
7338
7339         redraw_mask |= REDRAW_DOOR_3;
7340       }
7341     }
7342   }
7343 }
7344
7345 static void MapLevelEditorToolboxDrawingGadgets()
7346 {
7347   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7348 }
7349
7350 static void UnmapLevelEditorToolboxDrawingGadgets()
7351 {
7352   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7353 }
7354
7355 static void UnmapDrawingArea(int id)
7356 {
7357   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7358 }
7359
7360 static void UnmapLevelEditorFieldGadgets()
7361 {
7362   int i;
7363
7364   for (i = 0; i < num_editor_gadgets; i++)
7365     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7366                           level_editor_gadget[i]->y))
7367       UnmapGadget(level_editor_gadget[i]);
7368 }
7369
7370 void UnmapLevelEditorGadgets()
7371 {
7372   int i;
7373
7374   for (i = 0; i < num_editor_gadgets; i++)
7375     UnmapGadget(level_editor_gadget[i]);
7376 }
7377
7378 static void ResetUndoBuffer()
7379 {
7380   undo_buffer_position = -1;
7381   undo_buffer_steps = -1;
7382   redo_buffer_steps = 0;
7383
7384   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7385
7386   level.changed = FALSE;
7387 }
7388
7389 static void DrawEditModeWindow()
7390 {
7391   ModifyEditorElementList();
7392   RedrawDrawingElements();
7393
7394   if (edit_mode == ED_MODE_INFO)
7395     DrawLevelInfoWindow();
7396   else if (edit_mode == ED_MODE_PROPERTIES)
7397     DrawPropertiesWindow();
7398   else if (edit_mode == ED_MODE_PALETTE)
7399     DrawPaletteWindow();
7400   else  /* edit_mode == ED_MODE_DRAWING */
7401     DrawDrawingWindow();
7402 }
7403
7404 static void ChangeEditModeWindow(int new_edit_mode)
7405 {
7406   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7407
7408   DrawEditModeWindow();
7409 }
7410
7411 static boolean LevelChanged()
7412 {
7413   boolean field_changed = FALSE;
7414   int x, y;
7415
7416   for (y = 0; y < lev_fieldy; y++)
7417     for (x = 0; x < lev_fieldx; x++)
7418       if (Feld[x][y] != level.field[x][y])
7419         field_changed = TRUE;
7420
7421   return (level.changed || field_changed);
7422 }
7423
7424 static boolean PrepareSavingIntoPersonalLevelSet()
7425 {
7426   static LevelDirTree *last_copied_leveldir = NULL;
7427   static LevelDirTree *last_written_leveldir = NULL;
7428   static int last_copied_level_nr = -1;
7429   static int last_written_level_nr = -1;
7430   LevelDirTree *leveldir_former = leveldir_current;
7431   int level_nr_former = level_nr;
7432   int new_level_nr;
7433
7434   // remember last mod/save so that for current session, we write
7435   // back to the same personal copy, asking only about overwrite.
7436   if (leveldir_current == last_copied_leveldir &&
7437       level_nr == last_copied_level_nr)
7438   {
7439     // "cd" to personal level set dir (as used when writing last copy)
7440     leveldir_current = last_written_leveldir;
7441     level_nr = last_written_level_nr;
7442
7443     return TRUE;
7444   }
7445
7446   if (!Request("This level is read only! "
7447                "Save into personal level set?", REQ_ASK))
7448     return FALSE;
7449
7450   // "cd" to personal level set dir (for writing copy the first time)
7451   leveldir_current =
7452     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7453
7454   // find unused level number
7455   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7456   {
7457     static char *level_filename = NULL;
7458
7459     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7460
7461     if (!fileExists(level_filename))
7462       break;
7463   }
7464
7465   last_copied_leveldir = leveldir_former;
7466   last_copied_level_nr = level_nr_former;
7467
7468   last_written_leveldir = leveldir_current;
7469   last_written_level_nr = level_nr = new_level_nr;
7470
7471   return TRUE;
7472 }
7473
7474 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7475 {
7476   static char *filename_levelinfo = NULL, *mod_name = NULL;
7477   FILE *file;
7478
7479   // annotate this copy-and-mod in personal levelinfo.conf
7480   setString(&filename_levelinfo,
7481             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7482
7483   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7484   {
7485     fprintf(file, "\n");
7486     fprintf(file, "# level %d was modified from:\n", level_nr);
7487     fprintf(file, "# - previous level set name:    %s\n",
7488             former_name);
7489     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7490             level.file_info.nr, level.name);
7491     fprintf(file, "# - previous author:            %s\n",
7492             level.author);
7493     fprintf(file, "# - previous save date:         ");
7494
7495     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7496     {
7497       fprintf(file, "%04d-%02d-%02d\n",
7498               level.creation_date.year,
7499               level.creation_date.month,
7500               level.creation_date.day);
7501     }
7502     else
7503     {
7504       fprintf(file, "not recorded\n");
7505     }
7506
7507     fclose(file);
7508   }
7509
7510   if (level_nr > leveldir_current->last_level)
7511     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9, -1);
7512
7513   // else: allow the save even if annotation failed
7514
7515   // now... spray graffiti on the old level vital statistics
7516   // user can change these; just trying to set a good baseline
7517
7518   // don't truncate names for fear of making offensive or silly:
7519   // long-named original author only recorded in levelinfo.conf.
7520   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7521   if (!strEqual(level.author, leveldir_current->author))
7522   {
7523     setString(&mod_name, getStringCat3(leveldir_current->author,
7524                                        " after ", level.author));
7525
7526     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7527       setString(&mod_name,
7528                 getStringCat2(leveldir_current->author, " (ed.)"));
7529
7530     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7531       setString(&mod_name, leveldir_current->author);
7532
7533     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7534
7535     // less worried about truncation here
7536     setString(&mod_name, getStringCat2("Mod: ", level.name));
7537     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7538   }
7539 }
7540
7541 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7542                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7543 {
7544   int x, y;
7545
7546   for (x = 0; x < lev_fieldx; x++)
7547     for (y = 0; y < lev_fieldy; y++)
7548       dst[x][y] = src[x][y];
7549 }
7550
7551 static int setSelectboxValue(int selectbox_id, int new_value)
7552 {
7553   int new_index_value = 0;
7554   int i;
7555
7556   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7557     if (selectbox_info[selectbox_id].options[i].value == new_value)
7558       new_index_value = i;
7559
7560   *selectbox_info[selectbox_id].value =
7561     selectbox_info[selectbox_id].options[new_index_value].value;
7562
7563   return new_index_value;
7564 }
7565
7566 static void setSelectboxSpecialActionVariablesIfNeeded()
7567 {
7568   int i;
7569
7570   /* change action mode and arg variables according to action type variable */
7571   for (i = 0; action_arg_options[i].value != -1; i++)
7572   {
7573     if (action_arg_options[i].value == custom_element_change.action_type)
7574     {
7575       int mode = action_arg_options[i].mode;
7576
7577       /* only change if corresponding selectbox has changed */
7578       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7579           action_arg_modes[mode])
7580         custom_element_change.action_mode = -1;
7581
7582       /* only change if corresponding selectbox has changed */
7583       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7584           action_arg_options[i].options)
7585         custom_element_change.action_arg = -1;
7586
7587       break;
7588     }
7589   }
7590 }
7591
7592 static void setSelectboxSpecialActionOptions()
7593 {
7594   int i;
7595
7596   /* change action mode and arg selectbox according to action type selectbox */
7597   for (i = 0; action_arg_options[i].value != -1; i++)
7598   {
7599     if (action_arg_options[i].value == custom_element_change.action_type)
7600     {
7601       int mode = action_arg_options[i].mode;
7602
7603       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7604                                    action_arg_modes[mode]);
7605       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7606                                  custom_element_change.action_mode);
7607
7608       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7609                                    action_arg_options[i].options);
7610       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7611                                  custom_element_change.action_arg);
7612       break;
7613     }
7614   }
7615 }
7616
7617 static void copy_custom_element_settings(int element_from, int element_to)
7618 {
7619   struct ElementInfo *ei_from = &element_info[element_from];
7620   struct ElementInfo *ei_to = &element_info[element_to];
7621
7622   copyElementInfo(ei_from, ei_to);
7623 }
7624
7625 static void replace_custom_element_in_settings(int element_from,
7626                                                int element_to)
7627 {
7628   int i, j, x, y;
7629
7630   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7631   {
7632     struct ElementInfo *ei = &element_info[i];
7633
7634     for (y = 0; y < 3; y++)
7635       for (x = 0; x < 3; x++)
7636         if (ei->content.e[x][y] == element_from)
7637           ei->content.e[x][y] = element_to;
7638
7639     for (j = 0; j < ei->num_change_pages; j++)
7640     {
7641       struct ElementChangeInfo *change = &ei->change_page[j];
7642
7643       if (change->target_element == element_from)
7644         change->target_element = element_to;
7645
7646       if (change->initial_trigger_element == element_from)
7647         change->initial_trigger_element = element_to;
7648
7649       if (change->action_element == element_from)
7650         change->action_element = element_to;
7651
7652       for (y = 0; y < 3; y++)
7653         for (x = 0; x < 3; x++)
7654           if (change->target_content.e[x][y] == element_from)
7655             change->target_content.e[x][y] = element_to;
7656     }
7657
7658     if (ei->group != NULL)                              /* group or internal */
7659       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7660         if (ei->group->element[j] == element_from)
7661           ei->group->element[j] = element_to;
7662   }
7663 }
7664
7665 static void replace_custom_element_in_playfield(int element_from,
7666                                                 int element_to)
7667 {
7668   int x, y;
7669
7670   for (x = 0; x < lev_fieldx; x++)
7671     for (y = 0; y < lev_fieldy; y++)
7672       if (Feld[x][y] == element_from)
7673         Feld[x][y] = element_to;
7674 }
7675
7676 static boolean CopyCustomElement(int element_old, int element_new,
7677                                  int copy_mode)
7678 {
7679   int copy_mode_orig = copy_mode;
7680
7681   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7682   {
7683     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7684                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7685     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7686   }
7687   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7688   {
7689     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7690                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7691     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7692
7693     level.changed = TRUE;
7694   }
7695   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7696   {
7697     Request("Please choose custom element!", REQ_CONFIRM);
7698
7699     return FALSE;
7700   }
7701   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7702   {
7703     Request("Please choose group element!", REQ_CONFIRM);
7704
7705     return FALSE;
7706   }
7707   else
7708   {
7709     level.changed = TRUE;
7710   }
7711
7712   /* when modifying custom/group element, ask for copying level template */
7713   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7714   {
7715     if (!AskToCopyAndModifyLevelTemplate())
7716       return FALSE;
7717   }
7718
7719   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7720   {
7721     copy_custom_element_settings(element_new, element_old);
7722   }
7723   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7724   {
7725     copy_custom_element_settings(element_old, element_new);
7726   }
7727   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7728   {
7729     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7730     copy_custom_element_settings(element_new, element_old);
7731     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7732
7733     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7734     replace_custom_element_in_settings(element_new, element_old);
7735     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7736
7737     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7738     replace_custom_element_in_playfield(element_new, element_old);
7739     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7740   }
7741
7742   UpdateCustomElementGraphicGadgets();
7743   DrawPropertiesWindow();
7744
7745   return TRUE;
7746 }
7747
7748 static void CopyCustomElementPropertiesToEditor(int element)
7749 {
7750   int i;
7751   int current_change_page = element_info[element].current_change_page;
7752
7753   /* dynamically (re)build selectbox for selecting change page */
7754   for (i = 0; i < element_info[element].num_change_pages; i++)
7755   {
7756     sprintf(options_change_page_strings[i], "%d", i + 1);
7757
7758     options_change_page[i].value = i;
7759     options_change_page[i].text = options_change_page_strings[i];
7760   }
7761
7762   options_change_page[i].value = -1;
7763   options_change_page[i].text = NULL;
7764
7765   /* needed here to initialize combined element properties */
7766   InitElementPropertiesEngine(level.game_version);
7767
7768   element_info[element].change =
7769     &element_info[element].change_page[current_change_page];
7770
7771   custom_element = element_info[element];
7772   custom_element_change = *element_info[element].change;
7773
7774   /* needed to initially set selectbox options for special action options */
7775   setSelectboxSpecialActionOptions();
7776
7777   /* needed to initially set selectbox value variables to reliable defaults */
7778   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7779     setSelectboxValue(i, *selectbox_info[i].value);
7780
7781   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7782     custom_element_properties[i] = HAS_PROPERTY(element, i);
7783
7784   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7785     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7786
7787   /* ---------- element settings: configure (custom elements) ------------- */
7788
7789   /* set accessible layer selectbox help value */
7790   custom_element.access_type =
7791     (IS_WALKABLE(element) ? EP_WALKABLE :
7792      IS_PASSABLE(element) ? EP_PASSABLE :
7793      custom_element.access_type);
7794   custom_element.access_layer =
7795     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7796      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7797      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7798      custom_element.access_layer);
7799   custom_element.access_protected =
7800     (IS_PROTECTED(element) ? 1 : 0);
7801   custom_element_properties[EP_ACCESSIBLE] =
7802     (IS_ACCESSIBLE_OVER(element) ||
7803      IS_ACCESSIBLE_INSIDE(element) ||
7804      IS_ACCESSIBLE_UNDER(element));
7805
7806   /* set walk-to-object action selectbox help value */
7807   custom_element.walk_to_action =
7808     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7809      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7810      IS_DROPPABLE(element) ? EP_DROPPABLE :
7811      IS_THROWABLE(element) ? EP_THROWABLE :
7812      IS_PUSHABLE(element) ? EP_PUSHABLE :
7813      custom_element.walk_to_action);
7814   custom_element_properties[EP_WALK_TO_OBJECT] =
7815     (IS_DIGGABLE(element) ||
7816      IS_COLLECTIBLE_ONLY(element) ||
7817      IS_DROPPABLE(element) ||
7818      IS_THROWABLE(element) ||
7819      IS_PUSHABLE(element));
7820
7821   /* set smash targets selectbox help value */
7822   custom_element.smash_targets =
7823     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7824      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7825      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7826      custom_element.smash_targets);
7827   custom_element_properties[EP_CAN_SMASH] =
7828     (CAN_SMASH_EVERYTHING(element) ||
7829      CAN_SMASH_ENEMIES(element) ||
7830      CAN_SMASH_PLAYER(element));
7831
7832   /* set deadliness selectbox help value */
7833   custom_element.deadliness =
7834     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7835      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7836      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7837      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7838      custom_element.deadliness);
7839   custom_element_properties[EP_DEADLY] =
7840     (DONT_TOUCH(element) ||
7841      DONT_GET_HIT_BY(element) ||
7842      DONT_COLLIDE_WITH(element) ||
7843      DONT_RUN_INTO(element));
7844
7845   /* ---------- element settings: advanced (custom elements) --------------- */
7846
7847   /* set "change by direct action" selectbox help value */
7848   custom_element_change.direct_action =
7849     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7850      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7851      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7852      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7853      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7854      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7855      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7856      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7857      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7858      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7859      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7860      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7861      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7862      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7863      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7864      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7865      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7866      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7867      custom_element_change.direct_action);
7868
7869   /* set "change by other element action" selectbox help value */
7870   custom_element_change.other_action =
7871     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7872      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7873      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7874      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7875      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7876      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7877      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7878      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7879      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7880      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7881      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7882      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7883      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7884      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7885      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7886      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7887      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7888      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7889      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7890      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7891      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7892      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7893      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7894      custom_element_change.other_action);
7895 }
7896
7897 static void CopyGroupElementPropertiesToEditor(int element)
7898 {
7899   group_element_info = *element_info[element].group;
7900   custom_element = element_info[element];       /* needed for description */
7901 }
7902
7903 static void CopyClassicElementPropertiesToEditor(int element)
7904 {
7905   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7906     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7907       getMoveIntoAcidProperty(&level, element);
7908
7909   if (MAYBE_DONT_COLLIDE_WITH(element))
7910     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7911       getDontCollideWithProperty(&level, element);
7912 }
7913
7914 static void CopyElementPropertiesToEditor(int element)
7915 {
7916   if (IS_CUSTOM_ELEMENT(element))
7917     CopyCustomElementPropertiesToEditor(element);
7918   else if (IS_GROUP_ELEMENT(element))
7919     CopyGroupElementPropertiesToEditor(element);
7920   else
7921     CopyClassicElementPropertiesToEditor(element);
7922 }
7923
7924 static boolean AskToCopyAndModifyLevelTemplate()
7925 {
7926   if (Request("Copy and modify settings from level template?", REQ_ASK))
7927   {
7928     level.use_custom_template = FALSE;
7929
7930     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
7931                  GDI_CHECKED, FALSE, GDI_END);
7932     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
7933                  GDI_CHECKED, FALSE, GDI_END);
7934
7935     return TRUE;
7936   }
7937   else
7938   {
7939     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
7940
7941     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
7942
7943     return FALSE;
7944   }
7945 }
7946
7947 static void CopyCustomElementPropertiesToGame(int element)
7948 {
7949   int i;
7950   int access_type_and_layer;
7951
7952   /* mark that this custom element has been modified */
7953   custom_element.modified_settings = TRUE;
7954   level.changed = TRUE;
7955
7956   if (level.use_custom_template)
7957     AskToCopyAndModifyLevelTemplate();
7958
7959   element_info[element] = custom_element;
7960   *element_info[element].change = custom_element_change;
7961
7962   /* ---------- element settings: configure (custom elements) ------------- */
7963
7964   /* set accessible property from checkbox and selectbox */
7965   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7966   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7967   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7968   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7969   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7970   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7971   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7972                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7973                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7974   custom_element_properties[access_type_and_layer] =
7975     custom_element_properties[EP_ACCESSIBLE];
7976   custom_element_properties[EP_PROTECTED] =
7977     (custom_element.access_protected != 0 &&
7978      custom_element_properties[EP_ACCESSIBLE]);
7979
7980   /* set walk-to-object property from checkbox and selectbox */
7981   custom_element_properties[EP_DIGGABLE] = FALSE;
7982   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7983   custom_element_properties[EP_DROPPABLE] = FALSE;
7984   custom_element_properties[EP_THROWABLE] = FALSE;
7985   custom_element_properties[EP_PUSHABLE] = FALSE;
7986   custom_element_properties[custom_element.walk_to_action] =
7987     custom_element_properties[EP_WALK_TO_OBJECT];
7988
7989   /* set smash property from checkbox and selectbox */
7990   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7991   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7992   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7993   custom_element_properties[custom_element.smash_targets] =
7994     custom_element_properties[EP_CAN_SMASH];
7995
7996   /* set deadliness property from checkbox and selectbox */
7997   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7998   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7999   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8000   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8001   custom_element_properties[custom_element.deadliness] =
8002     custom_element_properties[EP_DEADLY];
8003
8004   /* ---------- element settings: advanced (custom elements) --------------- */
8005
8006   /* set player change event from checkbox and selectbox */
8007   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8008   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8009   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8010   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8011   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8012   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8013   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8014   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8015   custom_element_change_events[CE_SWITCHED] = FALSE;
8016   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8017   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8018   custom_element_change_events[CE_BLOCKED] = FALSE;
8019   custom_element_change_events[CE_IMPACT] = FALSE;
8020   custom_element_change_events[CE_SMASHED] = FALSE;
8021   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8022   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8023   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8024   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8025   custom_element_change_events[custom_element_change.direct_action] =
8026     custom_element_change_events[CE_BY_DIRECT_ACTION];
8027
8028   /* set other element action change event from checkbox and selectbox */
8029   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8030   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8031   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8032   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8033   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8034   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8035   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8036   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8037   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8038   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8039   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8040   custom_element_change_events[CE_HITTING_X] = FALSE;
8041   custom_element_change_events[CE_DIGGING_X] = FALSE;
8042   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8043   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8044   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8045   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8046   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8047   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8048   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8049   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8050   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8051   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8052   custom_element_change_events[custom_element_change.other_action] =
8053     custom_element_change_events[CE_BY_OTHER_ACTION];
8054
8055   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8056     SET_PROPERTY(element, i, custom_element_properties[i]);
8057
8058   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8059     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8060
8061   /* copy change events also to special level editor variable */
8062   custom_element = element_info[element];
8063   custom_element_change = *element_info[element].change;
8064 }
8065
8066 static void CopyGroupElementPropertiesToGame(int element)
8067 {
8068   /* mark that this group element has been modified */
8069   custom_element.modified_settings = TRUE;
8070   level.changed = TRUE;
8071
8072   if (level.use_custom_template)
8073     AskToCopyAndModifyLevelTemplate();
8074
8075   element_info[element] = custom_element;
8076   *element_info[element].group = group_element_info;
8077 }
8078
8079 static void CopyClassicElementPropertiesToGame(int element)
8080 {
8081   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8082     setMoveIntoAcidProperty(&level, element,
8083                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8084
8085   if (MAYBE_DONT_COLLIDE_WITH(element))
8086     setDontCollideWithProperty(&level, element,
8087                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8088 }
8089
8090 static void CopyElementPropertiesToGame(int element)
8091 {
8092   if (IS_CUSTOM_ELEMENT(element))
8093     CopyCustomElementPropertiesToGame(element);
8094   else if (IS_GROUP_ELEMENT(element))
8095     CopyGroupElementPropertiesToGame(element);
8096   else
8097     CopyClassicElementPropertiesToGame(element);
8098 }
8099
8100 void CheckElementDescriptions()
8101 {
8102   int i;
8103
8104   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8105     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8106       Error(ERR_WARN, "no element description file for element '%s'",
8107             EL_NAME(i));
8108 }
8109
8110 static int getMaxEdFieldX(boolean has_scrollbar)
8111 {
8112   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8113   int sxsize = SXSIZE - scrollbar_width;
8114   int max_ed_fieldx = sxsize / ed_tilesize;
8115
8116   return max_ed_fieldx;
8117 }
8118
8119 static int getMaxEdFieldY(boolean has_scrollbar)
8120 {
8121   int infotext_height = INFOTEXT_YSIZE_FULL;
8122   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8123   int sysize = SYSIZE - scrollbar_height - infotext_height;
8124   int max_ed_fieldy = sysize / ed_tilesize;
8125
8126   return max_ed_fieldy;
8127 }
8128
8129 void InitZoomLevelSettings(int zoom_tilesize)
8130 {
8131   if (zoom_tilesize == -1)
8132     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8133
8134   // limit zoom tilesize by upper and lower bound
8135   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8136
8137   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8138
8139   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8140   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8141 }
8142
8143 void DrawLevelEd()
8144 {
8145   int fade_mask = REDRAW_FIELD;
8146
8147   FadeSoundsAndMusic();
8148
8149   if (CheckIfGlobalBorderHasChanged())
8150     fade_mask = REDRAW_ALL;
8151
8152   FadeOut(fade_mask);
8153
8154   /* needed if different viewport properties defined for editor */
8155   ChangeViewportPropertiesIfNeeded();
8156
8157   ClearField();
8158
8159   InitZoomLevelSettings(-1);
8160
8161   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
8162
8163 #if DEBUG
8164   CheckElementDescriptions();
8165 #endif
8166
8167   if (level_editor_test_game)
8168   {
8169     CopyPlayfield(level.field, Feld);
8170     CopyPlayfield(FieldBackup, level.field);
8171
8172     level_editor_test_game = FALSE;
8173   }
8174   else
8175   {
8176     edit_mode = ED_MODE_DRAWING;
8177     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8178     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8179
8180     ResetUndoBuffer();
8181
8182     level_xpos = -1;
8183     level_ypos = -1;
8184   }
8185
8186   /* needed for gadgets drawn on background (like palette scrollbar) */
8187   SetDoorBackgroundImage(IMG_UNDEFINED);
8188
8189   /* copy default editor door content to main double buffer */
8190   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8191              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8192              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8193              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8194              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8195              DX, DY);
8196
8197   /* draw bigger door */
8198   DrawSpecialEditorDoor();
8199
8200   /* draw new control window */
8201   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8202              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8203              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8204              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8205              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8206              EX, EY);
8207
8208   // redraw_mask |= REDRAW_ALL;
8209
8210   FreeLevelEditorGadgets();
8211   CreateLevelEditorGadgets();
8212
8213   ReinitializeElementList();            /* update dynamic level element list */
8214   ReinitializeElementListButtons();     /* custom element may look different */
8215
8216   InitElementPropertiesGfxElement();
8217
8218   UnmapAllGadgets();
8219   MapControlButtons();
8220
8221   DrawEditModeWindow();
8222
8223   DrawMaskedBorder(fade_mask);
8224
8225   FadeIn(fade_mask);
8226
8227   /* copy actual editor door content to door double buffer for OpenDoor() */
8228   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8229 }
8230
8231 static void AdjustDrawingAreaGadgets()
8232 {
8233   int ed_xsize = lev_fieldx + 2;
8234   int ed_ysize = lev_fieldy + 2;
8235   int max_ed_fieldx = MAX_ED_FIELDX;
8236   int max_ed_fieldy = MAX_ED_FIELDY;
8237   boolean horizontal_scrollbar_needed;
8238   boolean vertical_scrollbar_needed;
8239   int x, y, width, height;
8240
8241   /* check if we need any scrollbars */
8242   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8243   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8244
8245   /* check if we have a smaller editor field because of scrollbars */
8246   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8247   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8248
8249   /* check again if we now need more scrollbars because of less space */
8250   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8251   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8252
8253   /* check if editor field gets even smaller after adding new scrollbars */
8254   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8255   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8256
8257   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8258   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8259
8260   x = SX + ed_fieldx * ed_tilesize;
8261   y = SY + ed_fieldy * ed_tilesize;
8262
8263   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8264   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8265
8266   /* adjust drawing area gadget */
8267   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8268                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8269                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8270                GDI_END);
8271
8272   /* adjust horizontal scrollbar gadgets */
8273   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8274                GDI_Y, y,
8275                GDI_END);
8276   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8277                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8278                GDI_Y, y,
8279                GDI_END);
8280   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8281                GDI_Y, y,
8282                GDI_WIDTH, width,
8283                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8284                GDI_END);
8285
8286   /* adjust vertical scrollbar gadgets */
8287   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8288                GDI_X, x,
8289                GDI_END);
8290   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8291                GDI_X, x,
8292                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8293                GDI_END);
8294   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8295                GDI_X, x,
8296                GDI_HEIGHT, height,
8297                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8298                GDI_END);
8299 }
8300
8301 static void AdjustLevelScrollPosition()
8302 {
8303   if (level_xpos < -1)
8304     level_xpos = -1;
8305   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8306     level_xpos = lev_fieldx - ed_fieldx + 1;
8307   if (lev_fieldx < ed_fieldx - 2)
8308     level_xpos = -1;
8309
8310   if (level_ypos < -1)
8311     level_ypos = -1;
8312   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8313     level_ypos = lev_fieldy - ed_fieldy + 1;
8314   if (lev_fieldy < ed_fieldy - 2)
8315     level_ypos = -1;
8316 }
8317
8318 static void AdjustEditorScrollbar(int id)
8319 {
8320   struct GadgetInfo *gi = level_editor_gadget[id];
8321   int items_max, items_visible, item_position;
8322
8323   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8324   {
8325     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8326     items_visible = ed_fieldx;
8327     item_position = level_xpos + 1;
8328   }
8329   else
8330   {
8331     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8332     items_visible = ed_fieldy;
8333     item_position = level_ypos + 1;
8334   }
8335
8336   if (item_position > items_max - items_visible)
8337     item_position = items_max - items_visible;
8338
8339   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8340                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8341 }
8342
8343 static void AdjustElementListScrollbar()
8344 {
8345   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8346   int items_max, items_visible, item_position;
8347
8348   /* correct position of element list scrollbar */
8349   if (element_shift < 0)
8350     element_shift = 0;
8351   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8352     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8353
8354   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8355   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8356   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8357
8358   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8359                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8360                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8361 }
8362
8363 static void ModifyEditorCounterValue(int counter_id, int new_value)
8364 {
8365   int *counter_value = counterbutton_info[counter_id].value;
8366   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8367   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8368
8369   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8370
8371   if (counter_value != NULL)
8372     *counter_value = gi->textinput.number_value;
8373 }
8374
8375 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8376 {
8377   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8378   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8379
8380   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8381
8382   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8383       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8384   {
8385     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8386     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8387
8388     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8389     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8390                  GDI_END);
8391   }
8392 }
8393
8394 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8395 {
8396   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8397   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8398   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8399
8400   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8401 }
8402
8403 static void ModifyEditorSelectboxOptions(int selectbox_id,
8404                                          struct ValueTextInfo *options)
8405 {
8406   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8407   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8408
8409   selectbox_info[selectbox_id].options = options;
8410
8411   /* set index to zero -- list may be shorter now (correct later, if needed) */
8412   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8413                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8414 }
8415
8416 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8417 {
8418   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8419   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8420
8421   drawingarea_info[drawingarea_id].area_xsize = xsize;
8422   drawingarea_info[drawingarea_id].area_ysize = ysize;
8423
8424   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8425 }
8426
8427 static void ModifyEditorElementList()
8428 {
8429   int i;
8430
8431   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8432     return;
8433
8434   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8435   {
8436     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8437     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8438     struct GadgetDesign *gd = &gi->deco.design;
8439     int element = editor_elements[element_shift + i];
8440     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8441
8442     UnmapGadget(gi);
8443
8444     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8445
8446     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8447
8448     MapGadget(gi);
8449   }
8450 }
8451
8452 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8453 {
8454   int graphic = el2edimg(element);
8455   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8456
8457   if (pos->x == -1 &&
8458       pos->y == -1)
8459     return;
8460
8461   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8462 }
8463
8464 static void ModifyDrawingElementButton(int element, int id)
8465 {
8466   struct GadgetInfo *gi = level_editor_gadget[id];
8467   Bitmap *deco_bitmap;
8468   int deco_x, deco_y;
8469   int tile_size = gi->deco.width;
8470
8471   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8472
8473   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8474 }
8475
8476 static void PickDrawingElement(int button, int element)
8477 {
8478   struct
8479   {
8480     int *new_element;
8481     struct XYTileSize *pos;
8482     int id;
8483   } de, drawing_elements[] =
8484   {
8485     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8486     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8487     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8488   };
8489
8490   if (button < 1 || button > 3)
8491     return;
8492
8493   if (IS_MM_WALL(element))
8494     element = map_mm_wall_element(element);
8495
8496   de = drawing_elements[button - 1];
8497
8498   *de.new_element = element;    // update global drawing element variable
8499
8500   DrawDrawingElementGraphic(element, de.pos);
8501   ModifyDrawingElementButton(element, de.id);
8502
8503   redraw_mask |= REDRAW_DOOR_1;
8504 }
8505
8506 static void RedrawDrawingElements()
8507 {
8508   PickDrawingElement(1, new_element1);
8509   PickDrawingElement(2, new_element2);
8510   PickDrawingElement(3, new_element3);
8511 }
8512
8513 static void DrawDrawingWindow()
8514 {
8515   stick_element_properties_window = FALSE;
8516
8517   SetMainBackgroundImage(IMG_UNDEFINED);
8518   ClearField();
8519
8520   UnmapLevelEditorFieldGadgets();
8521   UnmapLevelEditorToolboxCustomGadgets();
8522
8523   AdjustDrawingAreaGadgets();
8524   AdjustLevelScrollPosition();
8525   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8526   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8527
8528   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8529
8530   MapMainDrawingArea();
8531   MapLevelEditorToolboxDrawingGadgets();
8532 }
8533
8534 static int getTabulatorBarWidth()
8535 {
8536   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8537   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8538
8539   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8540 }
8541
8542 static int getTabulatorBarHeight()
8543 {
8544   return ED_TAB_BAR_HEIGHT;
8545 }
8546
8547 static void DrawLevelInfoTabulatorGadgets()
8548 {
8549   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8550   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8551   int gd_x = gd->x + gd_gi1->border.width / 2;
8552   int gd_y = gd->y + gd_gi1->height - 1;
8553   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8554   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8555   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8556   int i;
8557
8558   for (i = id_first; i <= id_last; i++)
8559   {
8560     int gadget_id = textbutton_info[i].gadget_id;
8561     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8562     boolean active = (i != edit_mode_levelinfo);
8563
8564     /* draw background line below tabulator button */
8565     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8566
8567     /* draw solid line below inactive tabulator buttons */
8568     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8569       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8570                     ED_GADGET_TINY_DISTANCE, tab_color);
8571
8572     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8573     MapTextbuttonGadget(i);
8574   }
8575
8576   /* draw little border line below tabulator buttons */
8577   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8578     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8579                   ED_GADGET_TINY_DISTANCE,
8580                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8581 }
8582
8583 static void DrawPropertiesTabulatorGadgets()
8584 {
8585   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8586   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8587   int gd_x = gd->x + gd_gi1->border.width / 2;
8588   int gd_y = gd->y + gd_gi1->height - 1;
8589   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8590   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8591   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8592   int i;
8593
8594   /* draw two config tabulators for player elements */
8595   if (ELEM_IS_PLAYER(properties_element))
8596     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8597
8598   /* draw two config and one "change" tabulator for custom elements */
8599   if (IS_CUSTOM_ELEMENT(properties_element))
8600     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8601
8602   for (i = id_first; i <= id_last; i++)
8603   {
8604     int gadget_id = textbutton_info[i].gadget_id;
8605     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8606     boolean active = (i != edit_mode_properties);
8607
8608     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8609     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8610         (ELEM_IS_PLAYER(properties_element) ||
8611          IS_CUSTOM_ELEMENT(properties_element)))
8612       continue;
8613
8614     /* draw background line below tabulator button */
8615     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8616
8617     /* draw solid line below inactive tabulator buttons */
8618     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8619       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8620                     ED_GADGET_TINY_DISTANCE, tab_color);
8621
8622     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8623     MapTextbuttonGadget(i);
8624   }
8625
8626   /* draw little border line below tabulator buttons */
8627   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8628     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8629                   ED_GADGET_TINY_DISTANCE,
8630                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8631 }
8632
8633 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8634 {
8635   DrawText(SX + xpos, SY + ypos, text, font_nr);
8636 }
8637
8638 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8639                                            int xpos, int ypos)
8640 {
8641   int font_width = getFontWidth(font_nr);
8642   int font_height = getFontHeight(font_nr);
8643   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8644   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8645
8646   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8647                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8648                       TRUE, FALSE, FALSE);
8649 }
8650
8651 static void DrawLevelInfoLevel()
8652 {
8653   int i;
8654
8655   /* draw counter gadgets */
8656   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8657     MapCounterButtons(i);
8658
8659   /* draw checkbutton gadgets */
8660   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8661     MapCheckbuttonGadget(i);
8662
8663   /* draw selectbox gadgets */
8664   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8665     MapSelectboxGadget(i);
8666
8667   /* draw text input gadgets */
8668   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8669     MapTextInputGadget(i);
8670 }
8671
8672 static void DrawLevelInfoEditor()
8673 {
8674   int i;
8675
8676   /* draw counter gadgets */
8677   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8678     MapCounterButtons(i);
8679
8680   /* draw checkbutton gadgets */
8681   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8682     MapCheckbuttonGadget(i);
8683
8684   /* draw radiobutton gadgets */
8685   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8686     MapRadiobuttonGadget(i);
8687
8688   /* draw drawing area */
8689   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8690
8691   /* draw textbutton gadgets */
8692   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8693 }
8694
8695 static void DrawLevelInfoWindow()
8696 {
8697   char *text = "Global Settings";
8698   int font_nr = FONT_TITLE_1;
8699   struct MenuPosInfo *pos = &editor.settings.headline;
8700   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8701   int sy = SY + pos->y;
8702
8703   stick_element_properties_window = FALSE;
8704
8705   SetAutomaticNumberOfGemsNeeded();
8706
8707   UnmapLevelEditorFieldGadgets();
8708
8709   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8710   ClearField();
8711
8712   DrawText(sx, sy, text, font_nr);
8713
8714   DrawLevelInfoTabulatorGadgets();
8715
8716   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8717     DrawLevelInfoLevel();
8718   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8719     DrawLevelInfoEditor();
8720 }
8721
8722 static void DrawCustomContentArea()
8723 {
8724   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8725   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8726   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8727   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8728   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8729   int xoffset = ED_GADGET_SPACE_DISTANCE;
8730
8731   /* add distance for potential left text (without drawing area border) */
8732   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8733
8734   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8735
8736   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8737 }
8738
8739 static void DrawCustomChangeContentArea()
8740 {
8741   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8742   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8743   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8744   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8745   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8746   int xoffset = ED_GADGET_SPACE_DISTANCE;
8747
8748   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8749
8750   MapDrawingArea(id);
8751 }
8752
8753 static void RemoveElementContentArea(int id, int font_height)
8754 {
8755   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8756
8757   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8758                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8759                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8760                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8761                  ED_GADGET_TEXT_DISTANCE + font_height);
8762 }
8763
8764 static void DrawYamYamContentAreas()
8765 {
8766   int font_nr = FONT_TEXT_1;
8767   int font_height = getFontHeight(font_nr);
8768   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8769   int yoffset = (tilesize - font_height) / 2;
8770   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8771   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8772   int i;
8773
8774   /* display counter to choose number of element content areas */
8775   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8776
8777   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8778   {
8779     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8780
8781     if (i < level.num_yamyam_contents)
8782     {
8783       MapDrawingArea(id);
8784     }
8785     else
8786     {
8787       UnmapDrawingArea(id);
8788
8789       /* delete content areas in case of reducing number of them */
8790       RemoveElementContentArea(id, font_height);
8791     }
8792   }
8793
8794   DrawText(x, y + 0 * tilesize, "content", font_nr);
8795   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8796   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8797 }
8798
8799 static void DrawMagicBallContentAreas()
8800 {
8801   int font_nr = FONT_TEXT_1;
8802   int font_height = getFontHeight(font_nr);
8803   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8804   int yoffset = (tilesize - font_height) / 2;
8805   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8806   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8807   int i;
8808
8809   /* display counter to choose number of element content areas */
8810   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8811
8812   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8813   {
8814     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8815
8816     if (i < level.num_ball_contents)
8817     {
8818       MapDrawingArea(id);
8819     }
8820     else
8821     {
8822       UnmapDrawingArea(id);
8823
8824       /* delete content areas in case of reducing number of them */
8825       RemoveElementContentArea(id, font_height);
8826     }
8827   }
8828
8829   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8830   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8831   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8832 }
8833
8834 static void DrawAndroidElementArea(int element)
8835 {
8836   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8837   int num_elements = level.num_android_clone_elements;
8838   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8839   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8840   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8841   int xsize = MAX_ANDROID_ELEMENTS;
8842   int ysize = 1;
8843
8844   /* display counter to choose number of element areas */
8845   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8846
8847   if (drawingarea_info[id].text_left != NULL)
8848     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8849
8850   UnmapDrawingArea(id);
8851
8852   ModifyEditorDrawingArea(id, num_elements, 1);
8853
8854   /* delete content areas in case of reducing number of them */
8855   DrawBackground(sx, sy,
8856                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8857                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8858
8859   MapDrawingArea(id);
8860 }
8861
8862 static void DrawGroupElementArea(int element)
8863 {
8864   int id = ED_DRAWING_ID_GROUP_CONTENT;
8865   int num_elements = group_element_info.num_elements;
8866   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8867   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8868   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8869   int xsize = MAX_ELEMENTS_IN_GROUP;
8870   int ysize = 1;
8871
8872   if (drawingarea_info[id].text_left != NULL)
8873     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8874
8875   UnmapDrawingArea(id);
8876
8877   ModifyEditorDrawingArea(id, num_elements, 1);
8878
8879   /* delete content areas in case of reducing number of them */
8880   DrawBackground(sx, sy,
8881                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8882                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8883
8884   MapDrawingArea(id);
8885 }
8886
8887 static void DrawPlayerInitialInventoryArea(int element)
8888 {
8889   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8890   int player_nr = GET_PLAYER_NR(element);
8891   int num_elements = level.initial_inventory_size[player_nr];
8892   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8893   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8894   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8895   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8896   int ysize = 1;
8897
8898   /* determine horizontal position to the right of specified gadget */
8899   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8900     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8901           ED_DRAWINGAREA_TEXT_DISTANCE);
8902
8903   /* determine horizontal offset for leading text */
8904   if (drawingarea_info[id].text_left != NULL)
8905     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8906
8907   UnmapDrawingArea(id);
8908
8909   ModifyEditorDrawingArea(id, num_elements, 1);
8910
8911   /* delete content areas in case of reducing number of them */
8912   DrawBackground(sx, sy,
8913                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8914                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8915
8916   MapDrawingArea(id);
8917 }
8918
8919 static void DrawEnvelopeTextArea(int envelope_nr)
8920 {
8921   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8922   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8923
8924   UnmapGadget(gi);
8925   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8926
8927   if (envelope_nr != -1)
8928     textarea_info[id].value = level.envelope[envelope_nr].text;
8929
8930   ModifyGadget(gi, GDI_AREA_SIZE,
8931                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8932                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8933                GDI_END);
8934
8935   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8936 }
8937
8938 static void DrawPropertiesInfo()
8939 {
8940   static struct
8941   {
8942     int value;
8943     char *text;
8944   }
8945   properties[] =
8946   {
8947     /* configurable properties */
8948
8949     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8950     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8951     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8952     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8953     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8954     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8955     { EP_PROTECTED,             "- player is protected by it"           },
8956
8957     { EP_DIGGABLE,              "- can be digged away"                  },
8958     { EP_COLLECTIBLE,           "- can be collected"                    },
8959     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8960     { EP_THROWABLE,             "- can be thrown after collecting"      },
8961     { EP_PUSHABLE,              "- can be pushed"                       },
8962
8963     { EP_CAN_FALL,              "- can fall"                            },
8964     { EP_CAN_MOVE,              "- can move"                            },
8965
8966     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8967 #if 0
8968     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8969 #endif
8970     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8971
8972     { EP_SLIPPERY,              "- slippery for falling elements"       },
8973     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8974
8975     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8976     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8977     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8978     { EP_DONT_TOUCH,            "- deadly when touching"                },
8979
8980     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8981
8982     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8983     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8984     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8985
8986     { EP_CAN_CHANGE,            "- can change to other element"         },
8987
8988     /* pre-defined properties */
8989     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8990     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8991     { EP_SWITCHABLE,            "- can be switched"                     },
8992 #if 0
8993     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8994 #endif
8995
8996     { -1,                       NULL                                    }
8997   };
8998   char *filename = getElementDescriptionFilename(properties_element);
8999   char *percentage_text = "In this level: ";
9000   char *properties_text = "Standard properties: ";
9001   char *description_text = "Description:";
9002   char *no_description_text = "No description available.";
9003   char *none_text = "None";
9004   float percentage;
9005   int num_elements_in_level;
9006   int num_standard_properties = 0;
9007   int font1_nr = FONT_TEXT_1;
9008   int font2_nr = FONT_TEXT_2;
9009   int font1_width = getFontWidth(font1_nr);
9010   int font1_height = getFontHeight(font1_nr);
9011   int font2_height = getFontHeight(font2_nr);
9012   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9013   int font2_yoffset = (font1_height - font2_height) / 2;
9014   int percentage_text_len = strlen(percentage_text) * font1_width;
9015   int properties_text_len = strlen(properties_text) * font1_width;
9016   int xpos = ED_ELEMENT_SETTINGS_X(0);
9017   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9018   int i, x, y;
9019
9020   if (setup.editor.show_element_token)
9021   {
9022     int font3_nr = FONT_TEXT_3;
9023     int font3_height = getFontHeight(font3_nr);
9024
9025     DrawTextF(xpos, ypos, font3_nr,
9026               "[%s]", element_info[properties_element].token_name);
9027
9028     ypos += 2 * font3_height;
9029   }
9030
9031   /* ----- print number of elements / percentage of this element in level */
9032
9033   num_elements_in_level = 0;
9034   for (y = 0; y < lev_fieldy; y++)
9035     for (x = 0; x < lev_fieldx; x++)
9036       if (Feld[x][y] == properties_element)
9037         num_elements_in_level++;
9038   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9039
9040   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9041
9042   if (num_elements_in_level > 0)
9043     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9044               "%d (%.2f %%)", num_elements_in_level, percentage);
9045   else
9046     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9047               none_text);
9048
9049   ypos += 2 * MAX(font1_height, font2_height);
9050
9051   /* ----- print standard properties of this element */
9052
9053   DrawTextS(xpos, ypos, font1_nr, properties_text);
9054
9055   ypos += line1_height;
9056
9057   for (i = 0; properties[i].value != -1; i++)
9058   {
9059     if (!HAS_PROPERTY(properties_element, properties[i].value))
9060       continue;
9061
9062     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9063
9064     ypos += font2_height;
9065
9066     num_standard_properties++;
9067   }
9068
9069   if (num_standard_properties == 0)
9070   {
9071     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9072               font2_nr, none_text);
9073
9074     ypos -= (line1_height - font1_height);
9075   }
9076
9077   ypos += MAX(font1_height, font2_height);
9078
9079   /* ----- print special description of this element */
9080
9081   PrintInfoText(description_text, font1_nr, xpos, ypos);
9082
9083   ypos += line1_height;
9084
9085   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9086     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9087 }
9088
9089 #define TEXT_COLLECTING         "Score for collecting"
9090 #define TEXT_SMASHING           "Score for smashing"
9091 #define TEXT_SLURPING           "Score for slurping robot"
9092 #define TEXT_CRACKING           "Score for cracking"
9093 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9094 #define TEXT_DURATION           "Duration when activated"
9095 #define TEXT_DELAY_ON           "Delay before activating"
9096 #define TEXT_DELAY_OFF          "Delay before deactivating"
9097 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9098 #define TEXT_DELAY_MOVING       "Delay before moving"
9099 #define TEXT_BALL_DELAY         "Element generation delay"
9100 #define TEXT_MOVE_SPEED         "Speed of android moving"
9101 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9102 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9103 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9104 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9105 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9106 #define TEXT_TIME_BONUS         "Extra time to solve level"
9107
9108 static struct
9109 {
9110   int element;
9111   int *value;
9112   char *text;
9113 } elements_with_counter[] =
9114 {
9115   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9116   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9117   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9118   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9119   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9120   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9121   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9122   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9123   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9124   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9125   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9126   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9127   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9128   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9129   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9130   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9131   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9132   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9133   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9134   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9135   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9136   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9137   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9138   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9139   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9140   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9141   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9142   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9143   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9144   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9145   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9146   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9147   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9148   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9149   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9150   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9151   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9152   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9153   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9154   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9155   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9156   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9157   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9158   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9159   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9160   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9161   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9162   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9163   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9164   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9165   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9166   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9167   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9168   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9169   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9170   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9171   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9172   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9173   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9174   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9175   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9176   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9177   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9178   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9179   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9180   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9181   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9182   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9183   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9184   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9185   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9186   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9187   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9188   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9189   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9190   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9191   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9192   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9193   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9194   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9195   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9196   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9197   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9198
9199   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9200   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9201   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9202   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9203   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9204   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9205   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9206   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9207   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9208   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9209   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9210   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9211   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9212   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9213   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9214   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9215
9216   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9217   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9218   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9219   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9220   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9221   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9222   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9223   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9224   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9225   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9226   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9227   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9228   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9229
9230   { -1,                 NULL,                           NULL            }
9231 };
9232
9233 static boolean checkPropertiesConfig(int element)
9234 {
9235   int i;
9236
9237   if (IS_GEM(element) ||
9238       IS_CUSTOM_ELEMENT(element) ||
9239       IS_GROUP_ELEMENT(element) ||
9240       IS_BALLOON_ELEMENT(element) ||
9241       IS_ENVELOPE(element) ||
9242       IS_MM_MCDUFFIN(element) ||
9243       IS_DF_LASER(element) ||
9244       ELEM_IS_PLAYER(element) ||
9245       HAS_EDITOR_CONTENT(element) ||
9246       CAN_GROW(element) ||
9247       COULD_MOVE_INTO_ACID(element) ||
9248       MAYBE_DONT_COLLIDE_WITH(element) ||
9249       element == EL_SOKOBAN_OBJECT ||
9250       element == EL_SOKOBAN_FIELD_EMPTY ||
9251       element == EL_SOKOBAN_FIELD_FULL)
9252     return TRUE;
9253   else
9254     for (i = 0; elements_with_counter[i].element != -1; i++)
9255       if (elements_with_counter[i].element == element)
9256         return TRUE;
9257
9258   return FALSE;
9259 }
9260
9261 static void SetAutomaticNumberOfGemsNeeded()
9262 {
9263   int x, y;
9264
9265   if (!level.auto_count_gems)
9266     return;
9267
9268   level.gems_needed = 0;
9269
9270   for (x = 0; x < lev_fieldx; x++)
9271   {
9272     for (y = 0; y < lev_fieldy; y++)
9273     {
9274       int element = Feld[x][y];
9275
9276       if (IS_GEM(element) ||
9277           element == EL_MM_KETTLE ||
9278           element == EL_DF_CELL)
9279         level.gems_needed++;
9280     }
9281   }
9282
9283   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9284 }
9285
9286 static void DrawPropertiesConfig()
9287 {
9288   boolean draw_footer_line = FALSE;
9289   int max_num_element_counters = 4;
9290   int num_element_counters = 0;
9291   int i;
9292
9293   if (!checkPropertiesConfig(properties_element))
9294   {
9295     int xpos = ED_ELEMENT_SETTINGS_X(0);
9296     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9297
9298     PrintInfoText("No configuration options available.",
9299                   FONT_TEXT_1, xpos, ypos);
9300
9301     return;
9302   }
9303
9304   /* check if there are elements where a value can be chosen for */
9305   for (i = 0; elements_with_counter[i].element != -1; i++)
9306   {
9307     if (elements_with_counter[i].element == properties_element)
9308     {
9309       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9310
9311       counterbutton_info[counter_id].y =
9312         ED_ELEMENT_SETTINGS_YPOS(
9313                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9314                 (CAN_GROW(properties_element)                ? 1 : 0) +
9315                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9316                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9317                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9318                 num_element_counters);
9319
9320       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9321       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9322
9323       if (properties_element == EL_GAME_OF_LIFE ||
9324           properties_element == EL_BIOMAZE)
9325       {
9326         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9327         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9328       }
9329       else
9330       {
9331         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9332         counterbutton_info[counter_id].min_value = MIN_SCORE;
9333         counterbutton_info[counter_id].max_value = MAX_SCORE;
9334       }
9335
9336       MapCounterButtons(counter_id);
9337
9338       num_element_counters++;
9339       if (num_element_counters >= max_num_element_counters)
9340         break;
9341     }
9342   }
9343
9344   if (HAS_EDITOR_CONTENT(properties_element))
9345   {
9346     /* draw stickybutton gadget */
9347     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9348
9349     if (IS_AMOEBOID(properties_element))
9350       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9351     else if (properties_element == EL_YAMYAM ||
9352              properties_element == EL_YAMYAM_LEFT ||
9353              properties_element == EL_YAMYAM_RIGHT ||
9354              properties_element == EL_YAMYAM_UP ||
9355              properties_element == EL_YAMYAM_DOWN)
9356       DrawYamYamContentAreas();
9357     else if (properties_element == EL_EMC_MAGIC_BALL)
9358     {
9359       DrawMagicBallContentAreas();
9360
9361       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9362       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9363     }
9364     else if (properties_element == EL_EMC_ANDROID)
9365       DrawAndroidElementArea(properties_element);
9366   }
9367
9368   if (ELEM_IS_PLAYER(properties_element))
9369   {
9370     int player_nr = GET_PLAYER_NR(properties_element);
9371
9372     /* these properties can be set for every player individually */
9373
9374     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9375     {
9376       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9377         &level.start_element[player_nr];
9378       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9379         &level.artwork_element[player_nr];
9380       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9381         &level.explosion_element[player_nr];
9382
9383       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9384         &level.use_start_element[player_nr];
9385       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9386         &level.use_artwork_element[player_nr];
9387       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9388         &level.use_explosion_element[player_nr];
9389       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9390         &level.initial_player_gravity[player_nr];
9391
9392       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9393         &level.initial_player_stepsize[player_nr];
9394
9395       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9396       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9397                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9398                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9399       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9400       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9401       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9402       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9403       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9404       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9405       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9406       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9407       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9408       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9409
9410       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9411       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9412       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9413
9414       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9415     }
9416     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9417     {
9418       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9419         &level.initial_inventory_content[player_nr][0];
9420
9421       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9422         &level.initial_inventory_size[player_nr];
9423
9424       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9425         &level.use_initial_inventory[player_nr];
9426
9427       /* draw checkbutton gadgets */
9428       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9429
9430       /* draw counter gadgets */
9431       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9432
9433       /* draw drawing area gadgets */
9434       DrawPlayerInitialInventoryArea(properties_element);
9435     }
9436   }
9437
9438   if (IS_GEM(properties_element))
9439     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9440
9441   if (properties_element == EL_EM_DYNAMITE)
9442     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9443
9444   if (COULD_MOVE_INTO_ACID(properties_element) &&
9445       !ELEM_IS_PLAYER(properties_element) &&
9446       (!IS_CUSTOM_ELEMENT(properties_element) ||
9447        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9448   {
9449     /* set position for checkbutton for "can move into acid" */
9450     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9451       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9452     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9453       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9454                                IS_BALLOON_ELEMENT(properties_element) ||
9455                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9456
9457     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9458   }
9459
9460   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9461     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9462
9463   if (properties_element == EL_SPRING)
9464     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9465
9466   if (properties_element == EL_TIME_ORB_FULL)
9467     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9468
9469   if (CAN_GROW(properties_element))
9470   {
9471     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9472       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9473
9474     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9475   }
9476
9477   if (properties_element == EL_SOKOBAN_OBJECT ||
9478       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9479       properties_element == EL_SOKOBAN_FIELD_FULL)
9480     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9481
9482   if (IS_BALLOON_ELEMENT(properties_element))
9483     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9484
9485   if (IS_ENVELOPE(properties_element))
9486   {
9487     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9488     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9489     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9490     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9491     int envelope_nr = properties_element - EL_ENVELOPE_1;
9492
9493     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9494     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9495
9496     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9497     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9498
9499     /* display counter to choose size of envelope text area */
9500     MapCounterButtons(counter1_id);
9501     MapCounterButtons(counter2_id);
9502
9503     /* display checkbuttons to choose auto-wrap and alignment properties */
9504     MapCheckbuttonGadget(button1_id);
9505     MapCheckbuttonGadget(button2_id);
9506
9507     DrawEnvelopeTextArea(envelope_nr);
9508   }
9509
9510   if (IS_MM_MCDUFFIN(properties_element))
9511   {
9512     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9513     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9514     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9515   }
9516
9517   if (IS_DF_LASER(properties_element))
9518   {
9519     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9520     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9521     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9522   }
9523
9524   if (IS_CUSTOM_ELEMENT(properties_element))
9525   {
9526     /* draw stickybutton gadget */
9527     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9528
9529     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9530     {
9531       /* draw checkbutton gadgets */
9532       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9533            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9534         MapCheckbuttonGadget(i);
9535
9536       /* draw counter gadgets */
9537       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9538            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9539         MapCounterButtons(i);
9540
9541       /* draw selectbox gadgets */
9542       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9543            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9544         MapSelectboxGadget(i);
9545
9546       /* draw textbutton gadgets */
9547       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9548
9549       /* draw text input gadgets */
9550       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9551
9552       /* draw drawing area gadgets */
9553       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9554
9555       draw_footer_line = TRUE;
9556     }
9557     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9558     {
9559       /* draw checkbutton gadgets */
9560       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9561            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9562         MapCheckbuttonGadget(i);
9563
9564       /* draw counter gadgets */
9565       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9566            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9567         MapCounterButtons(i);
9568
9569       /* draw selectbox gadgets */
9570       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9571            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9572         MapSelectboxGadget(i);
9573
9574       /* draw drawing area gadgets */
9575       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9576       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9577       DrawCustomContentArea();
9578     }
9579   }
9580   else if (IS_GROUP_ELEMENT(properties_element))
9581   {
9582     /* draw stickybutton gadget */
9583     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9584
9585     /* draw checkbutton gadgets */
9586     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9587     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9588
9589     /* draw counter gadgets */
9590     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9591
9592     /* draw selectbox gadgets */
9593     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9594
9595     /* draw textbutton gadgets */
9596     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9597
9598     /* draw drawing area gadgets */
9599     DrawGroupElementArea(properties_element);
9600
9601     /* draw text input gadgets */
9602     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9603
9604     /* draw drawing area gadgets */
9605     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9606
9607     draw_footer_line = TRUE;
9608   }
9609
9610   /* draw little footer border line above CE/GE use/save template gadgets */
9611   if (draw_footer_line)
9612   {
9613     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9614     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9615     int gd_x = gd->x + gd_gi1->border.width / 2;
9616     int gd_y = gd->y + gd_gi1->height - 1;
9617     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9618
9619     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9620       FillRectangle(drawto,
9621                     SX + ED_ELEMENT_SETTINGS_X(0),
9622                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9623                     ED_TAB_BAR_HEIGHT,
9624                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9625   }
9626 }
9627
9628 static void DrawPropertiesChangeDrawingAreas()
9629 {
9630   if (IS_CUSTOM_ELEMENT(properties_element))
9631   {
9632     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9633     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9634     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9635
9636     DrawCustomChangeContentArea();
9637   }
9638
9639   redraw_mask |= REDRAW_FIELD;
9640 }
9641
9642 static void DrawPropertiesChange()
9643 {
9644   int i;
9645
9646   /* needed to initially set selectbox options for special action options */
9647   setSelectboxSpecialActionOptions();
9648
9649   /* draw stickybutton gadget */
9650   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9651
9652   /* draw checkbutton gadgets */
9653   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9654        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9655     MapCheckbuttonGadget(i);
9656
9657   /* draw counter gadgets */
9658   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9659        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9660     MapCounterButtons(i);
9661
9662   /* draw selectbox gadgets */
9663   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9664        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9665     MapSelectboxGadget(i);
9666
9667   /* draw textbutton gadgets */
9668   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9669        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9670     MapTextbuttonGadget(i);
9671
9672   /* draw graphicbutton gadgets */
9673   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9674        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9675     MapGraphicbuttonGadget(i);
9676
9677   /* draw drawing area gadgets */
9678   DrawPropertiesChangeDrawingAreas();
9679 }
9680
9681 static void DrawEditorElementAnimation(int x, int y)
9682 {
9683   int graphic = el2img(properties_element);
9684   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9685                custom_element.ce_value_fixed_initial :
9686                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9687                custom_element.collect_score_initial : FrameCounter);
9688
9689   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9690 }
9691
9692 static void DrawEditorElementName(int x, int y, int font_nr)
9693 {
9694   char *element_name = getElementInfoText(properties_element);
9695   int font_width = getFontWidth(font_nr);
9696   int font_height = getFontHeight(font_nr);
9697   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9698   int max_chars_per_line = max_text_width / font_width;
9699   char buffer[max_chars_per_line + 1];
9700
9701   if (strlen(element_name) <= max_chars_per_line)
9702     DrawTextS(x, y, font_nr, element_name);
9703   else
9704   {
9705     int next_pos = max_chars_per_line;
9706
9707     strncpy(buffer, element_name, max_chars_per_line);
9708     buffer[max_chars_per_line] = '\0';
9709
9710     if (element_name[max_chars_per_line] == ' ')
9711       next_pos++;
9712     else
9713     {
9714       int i;
9715
9716       for (i = max_chars_per_line - 1; i >= 0; i--)
9717         if (buffer[i] == ' ')
9718           break;
9719
9720       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9721       {
9722         buffer[i] = '\0';
9723         next_pos = i + 1;
9724       }
9725     }
9726
9727     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9728
9729     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9730     buffer[max_chars_per_line] = '\0';
9731
9732     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9733   }
9734 }
9735
9736 static void DrawPropertiesWindow()
9737 {
9738   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9739   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9740   int border_size = gd->border_size;
9741   int font_nr = FONT_TEXT_1;
9742   int font_height = getFontHeight(font_nr);
9743   int xoffset = TILEX + element_border + 3 * border_size;
9744   int yoffset = (TILEY - font_height) / 2;
9745   int x1 = editor.settings.element_graphic.x + element_border;
9746   int y1 = editor.settings.element_graphic.y + element_border;
9747   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9748             editor.settings.element_name.x);
9749   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9750             editor.settings.element_name.y);
9751   char *text = "Element Settings";
9752   int font2_nr = FONT_TITLE_1;
9753   struct MenuPosInfo *pos = &editor.settings.headline;
9754   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9755   int sy = SY + pos->y;
9756
9757   stick_element_properties_window = FALSE;
9758
9759   /* make sure that previous properties edit mode exists for this element */
9760   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9761       !IS_CUSTOM_ELEMENT(properties_element))
9762     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9763
9764   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9765       !ELEM_IS_PLAYER(properties_element) &&
9766       !IS_CUSTOM_ELEMENT(properties_element))
9767     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9768
9769   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9770       (ELEM_IS_PLAYER(properties_element) ||
9771        IS_CUSTOM_ELEMENT(properties_element)))
9772     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9773
9774   CopyElementPropertiesToEditor(properties_element);
9775
9776   UnmapLevelEditorFieldGadgets();
9777   UnmapLevelEditorToolboxDrawingGadgets();
9778   UnmapLevelEditorToolboxCustomGadgets();
9779
9780   if (IS_CUSTOM_ELEMENT(properties_element) ||
9781       IS_GROUP_ELEMENT(properties_element))
9782     MapLevelEditorToolboxCustomGadgets();
9783
9784   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9785   ClearField();
9786
9787   DrawText(sx, sy, text, font2_nr);
9788
9789   FrameCounter = 0;     /* restart animation frame counter */
9790
9791   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9792   DrawEditorElementAnimation(SX + x1, SY + y1);
9793   DrawEditorElementName(x2, y2, font_nr);
9794
9795   DrawPropertiesTabulatorGadgets();
9796
9797   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9798     DrawPropertiesInfo();
9799   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9800     DrawPropertiesChange();
9801   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9802     DrawPropertiesConfig();
9803 }
9804
9805 static void DrawPaletteWindow()
9806 {
9807   int i;
9808
9809   UnmapLevelEditorFieldGadgets();
9810
9811   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9812   ClearField();
9813
9814   /* map buttons to select elements */
9815   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9816     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9817   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9818   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9819   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9820 }
9821
9822 static void UpdateCustomElementGraphicGadgets()
9823 {
9824   int i;
9825
9826   InitElementPropertiesGfxElement();
9827
9828   ModifyEditorElementList();
9829   RedrawDrawingElements();
9830
9831   /* force redraw of all mapped drawing area gadgets */
9832   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9833   {
9834     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9835
9836     if (gi->mapped)
9837       MapDrawingArea(i);
9838   }
9839 }
9840
9841 static int getOpenDirectionFromTube(int element)
9842 {
9843   switch (element)
9844   {
9845     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9846     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9847     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9848     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9849     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9850     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9851     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9852     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9853     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9854     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9855     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9856   }
9857
9858   return MV_NONE;
9859 }
9860
9861 static int getTubeFromOpenDirection(int direction)
9862 {
9863   switch (direction)
9864   {
9865     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9866     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9867     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9868     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9869     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9870     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9871     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9872     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9873     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9874     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9875     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9876
9877     /* if only one direction, fall back to simple tube with that direction */
9878     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9879     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9880     case (MV_UP):                       return EL_TUBE_VERTICAL;
9881     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9882   }
9883
9884   return EL_EMPTY;
9885 }
9886
9887 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9888 {
9889   int element_new = getTubeFromOpenDirection(direction);
9890
9891   return (element_new != EL_EMPTY ? element_new : element_old);
9892 }
9893
9894 static int getOpenDirectionFromBelt(int element)
9895 {
9896   int belt_dir = getBeltDirFromBeltElement(element);
9897
9898   return (belt_dir == MV_LEFT ? MV_RIGHT :
9899           belt_dir == MV_RIGHT ? MV_LEFT :
9900           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9901 }
9902
9903 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9904 {
9905   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9906                   direction == MV_RIGHT ? MV_LEFT :
9907                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9908
9909   if (direction == MV_NONE)
9910     return EL_EMPTY;
9911
9912   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9913 }
9914
9915 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9916                                                  int element_old)
9917 {
9918   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9919
9920   return (element_new != EL_EMPTY ? element_new : element_old);
9921 }
9922
9923 static int getOpenDirectionFromPool(int element)
9924 {
9925   switch (element)
9926   {
9927     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9928     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9929     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9930     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9931     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9932     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9933   }
9934
9935   return MV_NONE;
9936 }
9937
9938 static int getPoolFromOpenDirection(int direction)
9939 {
9940   switch (direction)
9941   {
9942     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9943     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9944     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9945     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9946     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9947     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9948   }
9949
9950   return EL_EMPTY;
9951 }
9952
9953 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9954 {
9955   int element = getPoolFromOpenDirection(direction);
9956   int help_direction = getOpenDirectionFromPool(help_element);
9957
9958   if (element == EL_EMPTY)
9959   {
9960     int help_direction_vertical = help_direction & MV_VERTICAL;
9961
9962     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9963   }
9964
9965   if (element == EL_EMPTY)
9966   {
9967     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9968
9969     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9970   }
9971
9972   return element;
9973 }
9974
9975 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9976 {
9977   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9978
9979   return (element_new != EL_EMPTY ? element_new : element_old);
9980 }
9981
9982 static int getOpenDirectionFromPillar(int element)
9983 {
9984   switch (element)
9985   {
9986     case EL_EMC_WALL_1:                 return (MV_DOWN);
9987     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9988     case EL_EMC_WALL_3:                 return (MV_UP);
9989   }
9990
9991   return MV_NONE;
9992 }
9993
9994 static int getPillarFromOpenDirection(int direction)
9995 {
9996   switch (direction)
9997   {
9998     case (MV_DOWN):                     return EL_EMC_WALL_1;
9999     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10000     case (MV_UP):                       return EL_EMC_WALL_3;
10001   }
10002
10003   return EL_EMPTY;
10004 }
10005
10006 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10007 {
10008   int element_new = getPillarFromOpenDirection(direction);
10009
10010   return (element_new != EL_EMPTY ? element_new : element_old);
10011 }
10012
10013 static int getOpenDirectionFromSteel2(int element)
10014 {
10015   switch (element)
10016   {
10017     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10018     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10019     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10020     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10021     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10022     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10023     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10024     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10025   }
10026
10027   return MV_NONE;
10028 }
10029
10030 static int getSteel2FromOpenDirection(int direction)
10031 {
10032   switch (direction)
10033   {
10034     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10035     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10036     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10037     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10038     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10039     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10040     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10041     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10042   }
10043
10044   return EL_EMPTY;
10045 }
10046
10047 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10048 {
10049   int element_new = getSteel2FromOpenDirection(direction);
10050
10051   return (element_new != EL_EMPTY ? element_new : element_old);
10052 }
10053
10054 static int getOpenDirectionFromChip(int element)
10055 {
10056   switch (element)
10057   {
10058     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10059     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10060     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10061     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10062     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10063   }
10064
10065   return MV_NONE;
10066 }
10067
10068 static int getChipFromOpenDirection(int direction)
10069 {
10070   switch (direction)
10071   {
10072     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10073     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10074     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10075     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10076     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10077   }
10078
10079   return EL_EMPTY;
10080 }
10081
10082 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10083 {
10084   int element_new = getChipFromOpenDirection(direction);
10085
10086   return (element_new != EL_EMPTY ? element_new : element_old);
10087 }
10088
10089 static int getClosedTube(int x, int y)
10090 {
10091   static int xy[4][2] =
10092   {
10093     { -1, 0 },
10094     { +1, 0 },
10095     { 0, -1 },
10096     { 0, +1 }
10097   };
10098   int element_old = IntelliDrawBuffer[x][y];
10099   int direction_old = getOpenDirectionFromTube(element_old);
10100   int direction_new = MV_NONE;
10101   int i;
10102
10103   for (i = 0; i < NUM_DIRECTIONS; i++)
10104   {
10105     int xx = x + xy[i][0];
10106     int yy = y + xy[i][1];
10107     int dir = MV_DIR_FROM_BIT(i);
10108     int dir_opposite = MV_DIR_OPPOSITE(dir);
10109
10110     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10111         (direction_old & dir) &&
10112         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10113       direction_new |= dir;
10114   }
10115
10116   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10117 }
10118
10119 static int getClosedBelt(int x, int y)
10120 {
10121   static int xy[4][2] =
10122   {
10123     { -1, 0 },
10124     { +1, 0 },
10125     { 0, -1 },
10126     { 0, +1 }
10127   };
10128   int element_old = IntelliDrawBuffer[x][y];
10129   int nr = getBeltNrFromBeltElement(element_old);
10130   int direction_old = getOpenDirectionFromBelt(element_old);
10131   int direction_new = MV_NONE;
10132   int i;
10133
10134   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10135   {
10136     int xx = x + xy[i][0];
10137     int yy = y + xy[i][1];
10138     int dir = MV_DIR_FROM_BIT(i);
10139     int dir_opposite = MV_DIR_OPPOSITE(dir);
10140
10141     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10142         (direction_old & dir) &&
10143         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10144       direction_new |= dir;
10145   }
10146
10147   return getBeltFromNrAndOpenDirection(nr, direction_new);
10148 }
10149
10150 static int getClosedPool(int x, int y)
10151 {
10152   static int xy[4][2] =
10153   {
10154     { -1, 0 },
10155     { +1, 0 },
10156     { 0, -1 },
10157     { 0, +1 }
10158   };
10159   int element_old = IntelliDrawBuffer[x][y];
10160   int direction_old = getOpenDirectionFromPool(element_old);
10161   int direction_new = MV_NONE;
10162   int i;
10163
10164   for (i = 0; i < NUM_DIRECTIONS; i++)
10165   {
10166     int xx = x + xy[i][0];
10167     int yy = y + xy[i][1];
10168     int dir = MV_DIR_FROM_BIT(i);
10169     int dir_opposite = MV_DIR_OPPOSITE(dir);
10170
10171     if (IN_LEV_FIELD(xx, yy) &&
10172         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10173         (direction_old & dir) &&
10174         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10175       direction_new |= dir;
10176   }
10177
10178   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10179 }
10180
10181 static int getClosedPillar(int x, int y)
10182 {
10183   static int xy[4][2] =
10184   {
10185     { -1, 0 },
10186     { +1, 0 },
10187     { 0, -1 },
10188     { 0, +1 }
10189   };
10190   int element_old = IntelliDrawBuffer[x][y];
10191   int direction_old = getOpenDirectionFromPillar(element_old);
10192   int direction_new = MV_NONE;
10193   int i;
10194
10195   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10196   {
10197     int xx = x + xy[i][0];
10198     int yy = y + xy[i][1];
10199     int dir = MV_DIR_FROM_BIT(i);
10200     int dir_opposite = MV_DIR_OPPOSITE(dir);
10201
10202     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10203         (direction_old & dir) &&
10204         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10205       direction_new |= dir;
10206   }
10207
10208   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10209 }
10210
10211 static int getClosedSteel2(int x, int y)
10212 {
10213   static int xy[4][2] =
10214   {
10215     { -1, 0 },
10216     { +1, 0 },
10217     { 0, -1 },
10218     { 0, +1 }
10219   };
10220   int element_old = IntelliDrawBuffer[x][y];
10221   int direction_old = getOpenDirectionFromSteel2(element_old);
10222   int direction_new = MV_NONE;
10223   int i;
10224
10225   for (i = 0; i < NUM_DIRECTIONS; i++)
10226   {
10227     int xx = x + xy[i][0];
10228     int yy = y + xy[i][1];
10229     int dir = MV_DIR_FROM_BIT(i);
10230     int dir_opposite = MV_DIR_OPPOSITE(dir);
10231
10232     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10233         (direction_old & dir) &&
10234         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10235       direction_new |= dir;
10236   }
10237
10238   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10239 }
10240
10241 static int getClosedChip(int x, int y)
10242 {
10243   static int xy[4][2] =
10244   {
10245     { -1, 0 },
10246     { +1, 0 },
10247     { 0, -1 },
10248     { 0, +1 }
10249   };
10250   int element_old = IntelliDrawBuffer[x][y];
10251   int direction_old = getOpenDirectionFromChip(element_old);
10252   int direction_new = MV_NONE;
10253   int i;
10254
10255   for (i = 0; i < NUM_DIRECTIONS; i++)
10256   {
10257     int xx = x + xy[i][0];
10258     int yy = y + xy[i][1];
10259     int dir = MV_DIR_FROM_BIT(i);
10260     int dir_opposite = MV_DIR_OPPOSITE(dir);
10261
10262     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10263         (direction_old & dir) &&
10264         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10265       direction_new |= dir;
10266   }
10267
10268   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10269 }
10270
10271 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10272                                 boolean change_level)
10273 {
10274   int sx = x - level_xpos;
10275   int sy = y - level_ypos;
10276   int old_element = Feld[x][y];
10277   int new_element = element;
10278   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10279   boolean draw_masked = FALSE;
10280
10281   if (IS_MM_WALL_EDITOR(element))
10282   {
10283     element = map_mm_wall_element_editor(element) | new_bitmask;
10284
10285     if (IS_MM_WALL(old_element))
10286       element |= MM_WALL_BITS(old_element);
10287
10288     if (!change_level)
10289       draw_masked = TRUE;
10290   }
10291   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10292   {
10293     int element_changed = old_element & ~new_bitmask;
10294
10295     if (MM_WALL_BITS(element_changed) != 0)
10296       element = element_changed;
10297   }
10298
10299   IntelliDrawBuffer[x][y] = element;
10300
10301   if (change_level)
10302     Feld[x][y] = element;
10303
10304   if (IN_ED_FIELD(sx, sy))
10305   {
10306     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10307       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10308     else if (draw_masked)
10309       DrawEditorElementThruMask(sx, sy, element);
10310     else
10311       DrawEditorElement(sx, sy, element);
10312   }
10313 }
10314
10315 static void SetElementSimple(int x, int y, int element, boolean change_level)
10316 {
10317   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10318 }
10319
10320 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10321                                            int x2, int y2, int *element2,
10322                                            int (*close_function)(int, int),
10323                                            boolean change_level)
10324 {
10325   /* set neighbour elements to newly determined connections */
10326   SetElementSimple(x1, y1, *element1, change_level);
10327   SetElementSimple(x2, y2, *element2, change_level);
10328
10329   /* remove all open connections of neighbour elements */
10330   *element1 = close_function(x1, y1);
10331   *element2 = close_function(x2, y2);
10332
10333   /* set neighbour elements to new, minimized connections */
10334   SetElementSimple(x1, y1, *element1, change_level);
10335   SetElementSimple(x2, y2, *element2, change_level);
10336 }
10337
10338 static void SetElementIntelliDraw(int x, int y, int new_element,
10339                                   boolean change_level, int button)
10340 {
10341   static int xy[4][2] =
10342   {
10343     { -1, 0 },
10344     { +1, 0 },
10345     { 0, -1 },
10346     { 0, +1 }
10347   };
10348   static int last_x = -1;
10349   static int last_y = -1;
10350   int old_element = IntelliDrawBuffer[x][y];
10351
10352   if (new_element == EL_UNDEFINED)
10353   {
10354     last_x = -1;
10355     last_y = -1;
10356
10357     return;
10358   }
10359
10360   if (IS_TUBE(new_element))
10361   {
10362     int last_element_new = EL_UNDEFINED;
10363     int direction = MV_NONE;
10364     int i;
10365
10366     /* if old element is of same kind, keep all existing directions */
10367     if (IS_TUBE(old_element))
10368       direction |= getOpenDirectionFromTube(old_element);
10369
10370     for (i = 0; i < NUM_DIRECTIONS; i++)
10371     {
10372       int xx = x + xy[i][0];
10373       int yy = y + xy[i][1];
10374
10375       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10376           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10377       {
10378         int dir = MV_DIR_FROM_BIT(i);
10379         int dir_opposite = MV_DIR_OPPOSITE(dir);
10380         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10381         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10382         int last_direction_new = last_direction_old | dir_opposite;
10383
10384         last_element_new = getTubeFromOpenDirection(last_direction_new);
10385
10386         direction |= dir;
10387       }
10388     }
10389
10390     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10391
10392     if (last_element_new != EL_UNDEFINED)
10393       MergeAndCloseNeighbourElements(x, y, &new_element,
10394                                      last_x, last_y, &last_element_new,
10395                                      getClosedTube, change_level);
10396   }
10397   else if (IS_BELT(new_element))
10398   {
10399     int belt_nr = getBeltNrFromBeltElement(new_element);
10400     int last_element_new = EL_UNDEFINED;
10401     int direction = MV_NONE;
10402     int i;
10403
10404     /* if old element is of same kind, keep all existing directions */
10405     if (IS_BELT(old_element))
10406       direction |= getOpenDirectionFromBelt(old_element);
10407
10408     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10409     {
10410       int xx = x + xy[i][0];
10411       int yy = y + xy[i][1];
10412
10413       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10414           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10415       {
10416         int dir = MV_DIR_FROM_BIT(i);
10417         int dir_opposite = MV_DIR_OPPOSITE(dir);
10418         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10419         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10420         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10421         int last_direction_new = last_direction_old | dir_opposite;
10422
10423         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10424                                                          last_direction_new);
10425         direction |= dir;
10426       }
10427     }
10428
10429     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10430                                                         new_element);
10431     if (last_element_new != EL_UNDEFINED)
10432       MergeAndCloseNeighbourElements(x, y, &new_element,
10433                                      last_x, last_y, &last_element_new,
10434                                      getClosedBelt, change_level);
10435   }
10436   else if (IS_ACID_POOL_OR_ACID(new_element))
10437   {
10438     int last_element_new = EL_UNDEFINED;
10439     int direction = MV_NONE;
10440     int i;
10441
10442     /* if old element is of same kind, keep all existing directions */
10443     if (IS_ACID_POOL_OR_ACID(old_element))
10444       direction |= getOpenDirectionFromPool(old_element);
10445
10446     for (i = 0; i < NUM_DIRECTIONS; i++)
10447     {
10448       int xx = x + xy[i][0];
10449       int yy = y + xy[i][1];
10450
10451       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10452           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10453       {
10454         int dir = MV_DIR_FROM_BIT(i);
10455         int dir_opposite = MV_DIR_OPPOSITE(dir);
10456         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10457         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10458         int last_direction_new = last_direction_old | dir_opposite;
10459
10460         last_element_new = getPoolFromOpenDirection(last_direction_new);
10461
10462         direction |= dir;
10463       }
10464     }
10465
10466     /* special corrections needed for intuitively correct acid pool drawing */
10467     if (last_element_new == EL_EMPTY)
10468       last_element_new = new_element;
10469     else if (last_element_new != EL_UNDEFINED)
10470       new_element = last_element_new;
10471
10472     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10473
10474     if (last_element_new != EL_UNDEFINED)
10475       MergeAndCloseNeighbourElements(x, y, &new_element,
10476                                      last_x, last_y, &last_element_new,
10477                                      getClosedPool, change_level);
10478   }
10479   else if (IS_EMC_PILLAR(new_element))
10480   {
10481     int last_element_new = EL_UNDEFINED;
10482     int direction = MV_NONE;
10483     int i;
10484
10485     /* if old element is of same kind, keep all existing directions */
10486     if (IS_EMC_PILLAR(old_element))
10487       direction |= getOpenDirectionFromPillar(old_element);
10488
10489     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10490     {
10491       int xx = x + xy[i][0];
10492       int yy = y + xy[i][1];
10493
10494       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10495           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10496       {
10497         int dir = MV_DIR_FROM_BIT(i);
10498         int dir_opposite = MV_DIR_OPPOSITE(dir);
10499         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10500         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10501         int last_direction_new = last_direction_old | dir_opposite;
10502
10503         last_element_new = getPillarFromOpenDirection(last_direction_new);
10504
10505         direction |= dir;
10506       }
10507     }
10508
10509     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10510
10511     if (last_element_new != EL_UNDEFINED)
10512       MergeAndCloseNeighbourElements(x, y, &new_element,
10513                                      last_x, last_y, &last_element_new,
10514                                      getClosedPillar, change_level);
10515   }
10516   else if (IS_DC_STEELWALL_2(new_element))
10517   {
10518     int last_element_new = EL_UNDEFINED;
10519     int direction = MV_NONE;
10520     int i;
10521
10522     /* if old element is of same kind, keep all existing directions */
10523     if (IS_DC_STEELWALL_2(old_element))
10524       direction |= getOpenDirectionFromSteel2(old_element);
10525
10526     for (i = 0; i < NUM_DIRECTIONS; i++)
10527     {
10528       int xx = x + xy[i][0];
10529       int yy = y + xy[i][1];
10530
10531       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10532           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10533       {
10534         int dir = MV_DIR_FROM_BIT(i);
10535         int dir_opposite = MV_DIR_OPPOSITE(dir);
10536         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10537         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10538         int last_direction_new = last_direction_old | dir_opposite;
10539
10540         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10541
10542         direction |= dir;
10543       }
10544     }
10545
10546     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10547
10548     if (last_element_new != EL_UNDEFINED)
10549       MergeAndCloseNeighbourElements(x, y, &new_element,
10550                                      last_x, last_y, &last_element_new,
10551                                      getClosedSteel2, change_level);
10552   }
10553   else if (IS_SP_CHIP(new_element))
10554   {
10555     int last_element_new = EL_UNDEFINED;
10556     int direction = MV_NONE;
10557     int i;
10558
10559     /* (do not keep existing directions, regardless of kind of old element) */
10560
10561     for (i = 0; i < NUM_DIRECTIONS; i++)
10562     {
10563       int xx = x + xy[i][0];
10564       int yy = y + xy[i][1];
10565
10566       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10567           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10568       {
10569         int dir = MV_DIR_FROM_BIT(i);
10570         int dir_opposite = MV_DIR_OPPOSITE(dir);
10571         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10572         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10573         int last_direction_new = last_direction_old | dir_opposite;
10574
10575         if (last_direction_old == MV_NONE)
10576         {
10577           last_element_new = getChipFromOpenDirection(last_direction_new);
10578           direction |= dir;
10579         }
10580         else if (last_direction_old & (dir | dir_opposite))
10581         {
10582           direction |= MV_DIR_OPPOSITE(last_direction_old);
10583         }
10584         else
10585         {
10586           direction |= MV_DIR_OPPOSITE(dir);
10587         }
10588       }
10589     }
10590
10591     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10592
10593     if (last_element_new != EL_UNDEFINED)
10594       MergeAndCloseNeighbourElements(x, y, &new_element,
10595                                      last_x, last_y, &last_element_new,
10596                                      getClosedChip, change_level);
10597   }
10598   else if (IS_SP_HARDWARE_BASE(new_element))
10599   {
10600     int nr = GetSimpleRandom(6);
10601
10602     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10603                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10604                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10605                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10606                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10607   }
10608   else if (new_element == EL_SP_HARDWARE_GREEN ||
10609            new_element == EL_SP_HARDWARE_BLUE ||
10610            new_element == EL_SP_HARDWARE_RED)
10611   {
10612     int nr = GetSimpleRandom(3);
10613
10614     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10615                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10616   }
10617   else if (IS_GROUP_ELEMENT(new_element))
10618   {
10619     boolean connected_drawing = FALSE;
10620     int i;
10621
10622     for (i = 0; i < NUM_DIRECTIONS; i++)
10623     {
10624       int xx = x + xy[i][0];
10625       int yy = y + xy[i][1];
10626
10627       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10628           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10629         connected_drawing = TRUE;
10630     }
10631
10632     if (!connected_drawing)
10633       ResolveGroupElement(new_element);
10634
10635     new_element = GetElementFromGroupElement(new_element);
10636   }
10637   else if (IS_BELT_SWITCH(old_element))
10638   {
10639     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10640     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10641
10642     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10643                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10644
10645     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10646   }
10647   else
10648   {
10649     static int swappable_elements[][2] =
10650     {
10651       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10652       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10653       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10654       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10655       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10656       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10657       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10658       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10659       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10660       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10661       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10662       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10663       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10664       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10665       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10666       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10667       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10668       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10669       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10670       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10671       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10672       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10673       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10674       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10675       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10676       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10677       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10678       { EL_PEARL,                       EL_WALL_PEARL                   },
10679       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10680       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10681       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10682       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10683       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10684       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10685       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10686       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10687       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10688       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10689       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10690       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10691       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10692       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10693       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10694       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10695
10696       { -1,                             -1                              },
10697     };
10698     static int rotatable_elements_4[][4] =
10699     {
10700       {
10701         EL_BUG_UP,
10702         EL_BUG_RIGHT,
10703         EL_BUG_DOWN,
10704         EL_BUG_LEFT
10705       },
10706       {
10707         EL_SPACESHIP_UP,
10708         EL_SPACESHIP_RIGHT,
10709         EL_SPACESHIP_DOWN,
10710         EL_SPACESHIP_LEFT
10711       },
10712       {
10713         EL_BD_BUTTERFLY_UP,
10714         EL_BD_BUTTERFLY_RIGHT,
10715         EL_BD_BUTTERFLY_DOWN,
10716         EL_BD_BUTTERFLY_LEFT
10717       },
10718       {
10719         EL_BD_FIREFLY_UP,
10720         EL_BD_FIREFLY_RIGHT,
10721         EL_BD_FIREFLY_DOWN,
10722         EL_BD_FIREFLY_LEFT
10723       },
10724       {
10725         EL_PACMAN_UP,
10726         EL_PACMAN_RIGHT,
10727         EL_PACMAN_DOWN,
10728         EL_PACMAN_LEFT
10729       },
10730       {
10731         EL_YAMYAM_UP,
10732         EL_YAMYAM_RIGHT,
10733         EL_YAMYAM_DOWN,
10734         EL_YAMYAM_LEFT
10735       },
10736       {
10737         EL_ARROW_UP,
10738         EL_ARROW_RIGHT,
10739         EL_ARROW_DOWN,
10740         EL_ARROW_LEFT
10741       },
10742       {
10743         EL_SP_PORT_UP,
10744         EL_SP_PORT_RIGHT,
10745         EL_SP_PORT_DOWN,
10746         EL_SP_PORT_LEFT
10747       },
10748       {
10749         EL_SP_GRAVITY_PORT_UP,
10750         EL_SP_GRAVITY_PORT_RIGHT,
10751         EL_SP_GRAVITY_PORT_DOWN,
10752         EL_SP_GRAVITY_PORT_LEFT
10753       },
10754       {
10755         EL_SP_GRAVITY_ON_PORT_UP,
10756         EL_SP_GRAVITY_ON_PORT_RIGHT,
10757         EL_SP_GRAVITY_ON_PORT_DOWN,
10758         EL_SP_GRAVITY_ON_PORT_LEFT
10759       },
10760       {
10761         EL_SP_GRAVITY_OFF_PORT_UP,
10762         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10763         EL_SP_GRAVITY_OFF_PORT_DOWN,
10764         EL_SP_GRAVITY_OFF_PORT_LEFT
10765       },
10766       {
10767         EL_MOLE_UP,
10768         EL_MOLE_RIGHT,
10769         EL_MOLE_DOWN,
10770         EL_MOLE_LEFT
10771       },
10772       {
10773         EL_BALLOON_SWITCH_UP,
10774         EL_BALLOON_SWITCH_RIGHT,
10775         EL_BALLOON_SWITCH_DOWN,
10776         EL_BALLOON_SWITCH_LEFT
10777       },
10778       {
10779         EL_MM_MCDUFFIN_UP,
10780         EL_MM_MCDUFFIN_RIGHT,
10781         EL_MM_MCDUFFIN_DOWN,
10782         EL_MM_MCDUFFIN_LEFT
10783       },
10784       {
10785         EL_MM_MIRROR_FIXED_1,
10786         EL_MM_MIRROR_FIXED_4,
10787         EL_MM_MIRROR_FIXED_3,
10788         EL_MM_MIRROR_FIXED_2
10789       },
10790       {
10791         EL_MM_STEEL_GRID_FIXED_1,
10792         EL_MM_STEEL_GRID_FIXED_4,
10793         EL_MM_STEEL_GRID_FIXED_2,
10794         EL_MM_STEEL_GRID_FIXED_3
10795       },
10796       {
10797         EL_MM_WOODEN_GRID_FIXED_1,
10798         EL_MM_WOODEN_GRID_FIXED_4,
10799         EL_MM_WOODEN_GRID_FIXED_2,
10800         EL_MM_WOODEN_GRID_FIXED_3
10801       },
10802       {
10803         EL_MM_POLARISATOR_CROSS_1,
10804         EL_MM_POLARISATOR_CROSS_4,
10805         EL_MM_POLARISATOR_CROSS_3,
10806         EL_MM_POLARISATOR_CROSS_2
10807       },
10808       {
10809         EL_MM_PACMAN_UP,
10810         EL_MM_PACMAN_RIGHT,
10811         EL_MM_PACMAN_DOWN,
10812         EL_MM_PACMAN_LEFT
10813       },
10814       {
10815         EL_DF_LASER_UP,
10816         EL_DF_LASER_RIGHT,
10817         EL_DF_LASER_DOWN,
10818         EL_DF_LASER_LEFT
10819       },
10820       {
10821         EL_DF_RECEIVER_UP,
10822         EL_DF_RECEIVER_RIGHT,
10823         EL_DF_RECEIVER_DOWN,
10824         EL_DF_RECEIVER_LEFT
10825       },
10826
10827       {
10828         -1,
10829       },
10830     };
10831     static int rotatable_elements_8[][8] =
10832     {
10833       {
10834         EL_DF_STEEL_GRID_FIXED_1,
10835         EL_DF_STEEL_GRID_FIXED_8,
10836         EL_DF_STEEL_GRID_FIXED_7,
10837         EL_DF_STEEL_GRID_FIXED_6,
10838         EL_DF_STEEL_GRID_FIXED_5,
10839         EL_DF_STEEL_GRID_FIXED_4,
10840         EL_DF_STEEL_GRID_FIXED_3,
10841         EL_DF_STEEL_GRID_FIXED_2
10842       },
10843       {
10844         EL_DF_WOODEN_GRID_FIXED_1,
10845         EL_DF_WOODEN_GRID_FIXED_8,
10846         EL_DF_WOODEN_GRID_FIXED_7,
10847         EL_DF_WOODEN_GRID_FIXED_6,
10848         EL_DF_WOODEN_GRID_FIXED_5,
10849         EL_DF_WOODEN_GRID_FIXED_4,
10850         EL_DF_WOODEN_GRID_FIXED_3,
10851         EL_DF_WOODEN_GRID_FIXED_2
10852       },
10853       {
10854         EL_DF_STEEL_GRID_ROTATING_1,
10855         EL_DF_STEEL_GRID_ROTATING_8,
10856         EL_DF_STEEL_GRID_ROTATING_7,
10857         EL_DF_STEEL_GRID_ROTATING_6,
10858         EL_DF_STEEL_GRID_ROTATING_5,
10859         EL_DF_STEEL_GRID_ROTATING_4,
10860         EL_DF_STEEL_GRID_ROTATING_3,
10861         EL_DF_STEEL_GRID_ROTATING_2
10862       },
10863       {
10864         EL_DF_WOODEN_GRID_ROTATING_1,
10865         EL_DF_WOODEN_GRID_ROTATING_8,
10866         EL_DF_WOODEN_GRID_ROTATING_7,
10867         EL_DF_WOODEN_GRID_ROTATING_6,
10868         EL_DF_WOODEN_GRID_ROTATING_5,
10869         EL_DF_WOODEN_GRID_ROTATING_4,
10870         EL_DF_WOODEN_GRID_ROTATING_3,
10871         EL_DF_WOODEN_GRID_ROTATING_2
10872       },
10873
10874       {
10875         -1,
10876       },
10877     };
10878     static int rotatable_elements_16[][16] =
10879     {
10880       {
10881         EL_MM_MIRROR_1,
10882         EL_MM_MIRROR_16,
10883         EL_MM_MIRROR_15,
10884         EL_MM_MIRROR_14,
10885         EL_MM_MIRROR_13,
10886         EL_MM_MIRROR_12,
10887         EL_MM_MIRROR_11,
10888         EL_MM_MIRROR_10,
10889         EL_MM_MIRROR_9,
10890         EL_MM_MIRROR_8,
10891         EL_MM_MIRROR_7,
10892         EL_MM_MIRROR_6,
10893         EL_MM_MIRROR_5,
10894         EL_MM_MIRROR_4,
10895         EL_MM_MIRROR_3,
10896         EL_MM_MIRROR_2
10897       },
10898       {
10899         EL_MM_BEAMER_5,
10900         EL_MM_BEAMER_4,
10901         EL_MM_BEAMER_3,
10902         EL_MM_BEAMER_2,
10903         EL_MM_BEAMER_1,
10904         EL_MM_BEAMER_16,
10905         EL_MM_BEAMER_15,
10906         EL_MM_BEAMER_14,
10907         EL_MM_BEAMER_13,
10908         EL_MM_BEAMER_12,
10909         EL_MM_BEAMER_11,
10910         EL_MM_BEAMER_10,
10911         EL_MM_BEAMER_9,
10912         EL_MM_BEAMER_8,
10913         EL_MM_BEAMER_7,
10914         EL_MM_BEAMER_6
10915       },
10916       {
10917         EL_MM_BEAMER_RED_5,
10918         EL_MM_BEAMER_RED_4,
10919         EL_MM_BEAMER_RED_3,
10920         EL_MM_BEAMER_RED_2,
10921         EL_MM_BEAMER_RED_1,
10922         EL_MM_BEAMER_RED_16,
10923         EL_MM_BEAMER_RED_15,
10924         EL_MM_BEAMER_RED_14,
10925         EL_MM_BEAMER_RED_13,
10926         EL_MM_BEAMER_RED_12,
10927         EL_MM_BEAMER_RED_11,
10928         EL_MM_BEAMER_RED_10,
10929         EL_MM_BEAMER_RED_9,
10930         EL_MM_BEAMER_RED_8,
10931         EL_MM_BEAMER_RED_7,
10932         EL_MM_BEAMER_RED_6
10933       },
10934       {
10935         EL_MM_BEAMER_YELLOW_5,
10936         EL_MM_BEAMER_YELLOW_4,
10937         EL_MM_BEAMER_YELLOW_3,
10938         EL_MM_BEAMER_YELLOW_2,
10939         EL_MM_BEAMER_YELLOW_1,
10940         EL_MM_BEAMER_YELLOW_16,
10941         EL_MM_BEAMER_YELLOW_15,
10942         EL_MM_BEAMER_YELLOW_14,
10943         EL_MM_BEAMER_YELLOW_13,
10944         EL_MM_BEAMER_YELLOW_12,
10945         EL_MM_BEAMER_YELLOW_11,
10946         EL_MM_BEAMER_YELLOW_10,
10947         EL_MM_BEAMER_YELLOW_9,
10948         EL_MM_BEAMER_YELLOW_8,
10949         EL_MM_BEAMER_YELLOW_7,
10950         EL_MM_BEAMER_YELLOW_6
10951       },
10952       {
10953         EL_MM_BEAMER_GREEN_5,
10954         EL_MM_BEAMER_GREEN_4,
10955         EL_MM_BEAMER_GREEN_3,
10956         EL_MM_BEAMER_GREEN_2,
10957         EL_MM_BEAMER_GREEN_1,
10958         EL_MM_BEAMER_GREEN_16,
10959         EL_MM_BEAMER_GREEN_15,
10960         EL_MM_BEAMER_GREEN_14,
10961         EL_MM_BEAMER_GREEN_13,
10962         EL_MM_BEAMER_GREEN_12,
10963         EL_MM_BEAMER_GREEN_11,
10964         EL_MM_BEAMER_GREEN_10,
10965         EL_MM_BEAMER_GREEN_9,
10966         EL_MM_BEAMER_GREEN_8,
10967         EL_MM_BEAMER_GREEN_7,
10968         EL_MM_BEAMER_GREEN_6
10969       },
10970       {
10971         EL_MM_BEAMER_BLUE_5,
10972         EL_MM_BEAMER_BLUE_4,
10973         EL_MM_BEAMER_BLUE_3,
10974         EL_MM_BEAMER_BLUE_2,
10975         EL_MM_BEAMER_BLUE_1,
10976         EL_MM_BEAMER_BLUE_16,
10977         EL_MM_BEAMER_BLUE_15,
10978         EL_MM_BEAMER_BLUE_14,
10979         EL_MM_BEAMER_BLUE_13,
10980         EL_MM_BEAMER_BLUE_12,
10981         EL_MM_BEAMER_BLUE_11,
10982         EL_MM_BEAMER_BLUE_10,
10983         EL_MM_BEAMER_BLUE_9,
10984         EL_MM_BEAMER_BLUE_8,
10985         EL_MM_BEAMER_BLUE_7,
10986         EL_MM_BEAMER_BLUE_6
10987       },
10988       {
10989         EL_MM_POLARISATOR_1,
10990         EL_MM_POLARISATOR_16,
10991         EL_MM_POLARISATOR_15,
10992         EL_MM_POLARISATOR_14,
10993         EL_MM_POLARISATOR_13,
10994         EL_MM_POLARISATOR_12,
10995         EL_MM_POLARISATOR_11,
10996         EL_MM_POLARISATOR_10,
10997         EL_MM_POLARISATOR_9,
10998         EL_MM_POLARISATOR_8,
10999         EL_MM_POLARISATOR_7,
11000         EL_MM_POLARISATOR_6,
11001         EL_MM_POLARISATOR_5,
11002         EL_MM_POLARISATOR_4,
11003         EL_MM_POLARISATOR_3,
11004         EL_MM_POLARISATOR_2
11005       },
11006       {
11007         EL_DF_MIRROR_1,
11008         EL_DF_MIRROR_16,
11009         EL_DF_MIRROR_15,
11010         EL_DF_MIRROR_14,
11011         EL_DF_MIRROR_13,
11012         EL_DF_MIRROR_12,
11013         EL_DF_MIRROR_11,
11014         EL_DF_MIRROR_10,
11015         EL_DF_MIRROR_9,
11016         EL_DF_MIRROR_8,
11017         EL_DF_MIRROR_7,
11018         EL_DF_MIRROR_6,
11019         EL_DF_MIRROR_5,
11020         EL_DF_MIRROR_4,
11021         EL_DF_MIRROR_3,
11022         EL_DF_MIRROR_2
11023       },
11024       {
11025         EL_DF_MIRROR_ROTATING_1,
11026         EL_DF_MIRROR_ROTATING_16,
11027         EL_DF_MIRROR_ROTATING_15,
11028         EL_DF_MIRROR_ROTATING_14,
11029         EL_DF_MIRROR_ROTATING_13,
11030         EL_DF_MIRROR_ROTATING_12,
11031         EL_DF_MIRROR_ROTATING_11,
11032         EL_DF_MIRROR_ROTATING_10,
11033         EL_DF_MIRROR_ROTATING_9,
11034         EL_DF_MIRROR_ROTATING_8,
11035         EL_DF_MIRROR_ROTATING_7,
11036         EL_DF_MIRROR_ROTATING_6,
11037         EL_DF_MIRROR_ROTATING_5,
11038         EL_DF_MIRROR_ROTATING_4,
11039         EL_DF_MIRROR_ROTATING_3,
11040         EL_DF_MIRROR_ROTATING_2
11041       },
11042
11043       {
11044         -1,
11045       },
11046     };
11047     int i, j;
11048
11049     for (i = 0; swappable_elements[i][0] != -1; i++)
11050     {
11051       int element1 = swappable_elements[i][0];
11052       int element2 = swappable_elements[i][1];
11053
11054       if (old_element == element1 || old_element == element2)
11055         new_element = (old_element == element1 ? element2 : element1);
11056     }
11057
11058     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11059     {
11060       for (j = 0; j < 4; j++)
11061       {
11062         int element = rotatable_elements_4[i][j];
11063
11064         if (old_element == element)
11065           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11066                          button == 2 ? rotatable_elements_4[i][0]           :
11067                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11068                          old_element);
11069       }
11070     }
11071
11072     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11073     {
11074       for (j = 0; j < 8; j++)
11075       {
11076         int element = rotatable_elements_8[i][j];
11077
11078         if (old_element == element)
11079           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11080                          button == 2 ? rotatable_elements_8[i][0]           :
11081                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11082                          old_element);
11083       }
11084     }
11085
11086     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11087     {
11088       for (j = 0; j < 16; j++)
11089       {
11090         int element = rotatable_elements_16[i][j];
11091
11092         if (old_element == element)
11093           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11094                          button == 2 ? rotatable_elements_16[i][0]             :
11095                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11096                          old_element);
11097       }
11098     }
11099
11100     if (old_element != new_element)
11101     {
11102       int max_infotext_len = getMaxInfoTextLength();
11103       char infotext[MAX_OUTPUT_LINESIZE + 1];
11104
11105       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11106       infotext[max_infotext_len] = '\0';
11107
11108       ClearEditorGadgetInfoText();
11109
11110       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11111                 infotext);
11112     }
11113   }
11114
11115   SetElementSimple(x, y, new_element, change_level);
11116
11117   last_x = x;
11118   last_y = y;
11119 }
11120
11121 static void ResetIntelliDraw()
11122 {
11123   int x, y;
11124
11125   for (x = 0; x < lev_fieldx; x++)
11126     for (y = 0; y < lev_fieldy; y++)
11127       IntelliDrawBuffer[x][y] = Feld[x][y];
11128
11129   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11130 }
11131
11132 static boolean draw_mode_hires = FALSE;
11133
11134 static void SetDrawModeHiRes(int element)
11135 {
11136   draw_mode_hires =
11137     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11138      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11139 }
11140
11141 static boolean getDrawModeHiRes()
11142 {
11143   return draw_mode_hires;
11144 }
11145
11146 static int getLoResScreenPos(int pos)
11147 {
11148   return (getDrawModeHiRes() ? pos / 2 : pos);
11149 }
11150
11151 static int getLoResScreenMod(int pos)
11152 {
11153   return (getDrawModeHiRes() ? pos % 2 : 0);
11154 }
11155
11156 static void SetElementExt(int x, int y, int dx, int dy, int element,
11157                           boolean change_level, int button)
11158 {
11159   if (element < 0)
11160     SetElementSimple(x, y, Feld[x][y], change_level);
11161   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11162     SetElementIntelliDraw(x, y, element, change_level, button);
11163   else
11164     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11165 }
11166
11167 static void SetElement(int x, int y, int element)
11168 {
11169   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11170 }
11171
11172 static void SetElementButton(int x, int y, int dx, int dy, int element,
11173                              int button)
11174 {
11175   SetElementExt(x, y, dx, dy, element, TRUE, button);
11176 }
11177
11178 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11179 {
11180   int lx = getLoResScreenPos(sx2) + level_xpos;
11181   int ly = getLoResScreenPos(sy2) + level_ypos;
11182   int dx = getLoResScreenMod(sx2);
11183   int dy = getLoResScreenMod(sy2);
11184
11185   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11186 }
11187
11188 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11189 {
11190   int lx = lx2 / 2;
11191   int ly = ly2 / 2;
11192   int dx = lx2 % 2;
11193   int dy = ly2 % 2;
11194
11195   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11196 }
11197
11198 static int getLevelElementHiRes(int lx2, int ly2)
11199 {
11200   int lx = lx2 / 2;
11201   int ly = ly2 / 2;
11202   int dx = lx2 % 2;
11203   int dy = ly2 % 2;
11204   int element = Feld[lx][ly];
11205   unsigned int bitmask = (dx + 1) << (dy * 2);
11206
11207   if (IS_MM_WALL(element))
11208   {
11209     if (element & bitmask)
11210       return map_mm_wall_element(element);
11211     else
11212       return EL_EMPTY;
11213   }
11214
11215   return element;
11216 }
11217
11218 static void DrawLineElement(int x, int y, int element, boolean change_level)
11219 {
11220   SetElementHiRes(x, y, element, change_level);
11221 }
11222
11223 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11224                      int element, boolean change_level)
11225 {
11226   int xsize = ABS(to_x - from_x);
11227   int ysize = ABS(to_y - from_y);
11228   int dx = (to_x < from_x ? -1 : +1);
11229   int dy = (to_y < from_y ? -1 : +1);
11230   int i;
11231
11232   if (from_y == to_y)                   /* horizontal line */
11233   {
11234     for (i = 0; i <= xsize; i++)
11235       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11236   }
11237   else if (from_x == to_x)              /* vertical line */
11238   {
11239     for (i = 0; i <= ysize; i++)
11240       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11241   }
11242   else                                  /* diagonal line */
11243   {
11244     if (ysize < xsize)                  /* a < 1 */
11245     {
11246       float a = (float)ysize / (float)xsize;
11247
11248       for (i = 0; i <= xsize; i++)
11249       {
11250         int x = dx * i;
11251         int y = dy * (int)(a * i + 0.5);
11252
11253         DrawLineElement(from_x + x, from_y + y, element, change_level);
11254       }
11255     }
11256     else                                /* a >= 1 */
11257     {
11258       float a = (float)xsize / (float)ysize;
11259
11260       for (i = 0; i <= ysize; i++)
11261       {
11262         int x = dx * (int)(a * i + 0.5);
11263         int y = dy * i;
11264
11265         DrawLineElement(from_x + x, from_y + y, element, change_level);
11266       }
11267     }
11268   }
11269 }
11270
11271 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11272                     int element, boolean change_level)
11273 {
11274   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11275   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11276   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11277   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11278 }
11279
11280 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11281                           int element, boolean change_level)
11282 {
11283   int y;
11284
11285   if (from_y > to_y)
11286     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11287
11288   for (y = from_y; y <= to_y; y++)
11289     DrawLine(from_x, y, to_x, y, element, change_level);
11290 }
11291
11292 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11293                        int element, boolean change_level)
11294 {
11295   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11296   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11297   int len_x = ABS(to_x - from_x);
11298   int len_y = ABS(to_y - from_y);
11299   int radius, x, y;
11300
11301   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11302
11303   /* not optimal (some points get drawn twice) but simple,
11304      and fast enough for the few points we are drawing */
11305
11306   for (x = 0; x <= radius; x++)
11307   {
11308     int sx, sy, sx2, sy2, lx, ly;
11309
11310     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11311
11312     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11313     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11314     sx = getLoResScreenPos(sx2);
11315     sy = getLoResScreenPos(sy2);
11316     lx = sx + level_xpos;
11317     ly = sy + level_ypos;
11318
11319     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11320       DrawLineElement(sx2, sy2, element, change_level);
11321   }
11322
11323   for (y = 0; y <= radius; y++)
11324   {
11325     int sx, sy, sx2, sy2, lx, ly;
11326
11327     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11328
11329     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11330     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11331     sx = getLoResScreenPos(sx2);
11332     sy = getLoResScreenPos(sy2);
11333     lx = sx + level_xpos;
11334     ly = sy + level_ypos;
11335
11336     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11337       DrawLineElement(sx2, sy2, element, change_level);
11338   }
11339 }
11340
11341 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11342                     int element, boolean change_level)
11343 {
11344   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11345   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11346
11347   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11348 }
11349
11350 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11351
11352 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11353 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11354                        int element, boolean change_level)
11355 {
11356   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11357   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11358   int mirror_to_x2 = from_x - (to_x2 - from_x);
11359   int mirror_to_y2 = from_y - (to_y2 - from_y);
11360
11361   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11362   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11363   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11364   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11365 }
11366 #endif
11367
11368 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11369 {
11370   int from_sx, from_sy;
11371   int to_sx, to_sy;
11372
11373   if (from_x > to_x)
11374     swap_numbers(&from_x, &to_x);
11375
11376   if (from_y > to_y)
11377     swap_numbers(&from_y, &to_y);
11378
11379   from_sx = SX + from_x * ed_tilesize;
11380   from_sy = SY + from_y * ed_tilesize;
11381   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11382   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11383
11384   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11385   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11386   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11387   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11388
11389   if (from_x == to_x && from_y == to_y)
11390     MarkTileDirty(from_x/2, from_y/2);
11391   else
11392     redraw_mask |= REDRAW_FIELD;
11393 }
11394
11395 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11396                         int element, boolean change_level)
11397 {
11398   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11399 }
11400
11401 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11402                        int element, boolean change_level)
11403 {
11404   if (element == -1 || change_level)
11405     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11406   else
11407     DrawAreaBorder(from_x, from_y, to_x, to_y);
11408 }
11409
11410 /* values for CopyBrushExt() */
11411 #define CB_AREA_TO_BRUSH        0
11412 #define CB_BRUSH_TO_CURSOR      1
11413 #define CB_BRUSH_TO_LEVEL       2
11414 #define CB_DELETE_OLD_CURSOR    3
11415 #define CB_DUMP_BRUSH           4
11416 #define CB_DUMP_BRUSH_SMALL     5
11417
11418 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11419 {
11420   DrawLineElement(sx, sy, element, change_level);
11421 }
11422
11423 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11424                          int button, int mode)
11425 {
11426   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11427   static int brush_width, brush_height;
11428   static int last_cursor_x = -1, last_cursor_y = -1;
11429   static boolean delete_old_brush;
11430   int new_element = BUTTON_ELEMENT(button);
11431   int x, y;
11432
11433   if (mode == CB_DUMP_BRUSH ||
11434       mode == CB_DUMP_BRUSH_SMALL)
11435   {
11436     if (!draw_with_brush)
11437     {
11438       Error(ERR_WARN, "no brush selected");
11439
11440       return;
11441     }
11442
11443     for (y = 0; y < brush_height; y++)
11444     {
11445       for (x = 0; x < brush_width; x++)
11446       {
11447         int element = brush_buffer[x][y];
11448         int element_mapped = element;
11449
11450         if (IS_CUSTOM_ELEMENT(element))
11451           element_mapped = EL_CUSTOM_START;
11452         else if (IS_GROUP_ELEMENT(element))
11453           element_mapped = EL_GROUP_START;
11454         else if (element >= NUM_FILE_ELEMENTS)
11455           element_mapped = EL_UNKNOWN;
11456
11457         // dump brush as level sketch text for the R'n'D forum:
11458         // - large tiles: `xxx (0x60 ASCII)
11459         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11460         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11461       }
11462
11463       printf("\n");
11464     }
11465
11466     return;
11467   }
11468
11469   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11470     return;
11471
11472   if (mode == CB_AREA_TO_BRUSH)
11473   {
11474     int from_lx, from_ly;
11475
11476     if (from_x > to_x)
11477       swap_numbers(&from_x, &to_x);
11478
11479     if (from_y > to_y)
11480       swap_numbers(&from_y, &to_y);
11481
11482     brush_width = to_x - from_x + 1;
11483     brush_height = to_y - from_y + 1;
11484
11485     from_lx = from_x + level_xpos;
11486     from_ly = from_y + level_ypos;
11487
11488     for (y = 0; y < brush_height; y++)
11489     {
11490       for (x = 0; x < brush_width; x++)
11491       {
11492         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11493
11494         if (button != 1)
11495           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11496       }
11497     }
11498
11499     if (button != 1)
11500       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11501
11502     delete_old_brush = FALSE;
11503   }
11504   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11505            mode == CB_BRUSH_TO_LEVEL)
11506   {
11507     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11508     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11509     int cursor_from_x = cursor_x - brush_width / 2;
11510     int cursor_from_y = cursor_y - brush_height / 2;
11511     int border_from_x = cursor_x, border_from_y = cursor_y;
11512     int border_to_x = cursor_x, border_to_y = cursor_y;
11513
11514     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11515       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11516
11517     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11518         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11519     {
11520       delete_old_brush = FALSE;
11521       return;
11522     }
11523
11524     for (y = 0; y < brush_height; y++)
11525     {
11526       for (x = 0; x < brush_width; x++)
11527       {
11528         int sx = cursor_from_x + x;
11529         int sy = cursor_from_y + y;
11530         int lx = sx + level_xpos;
11531         int ly = sy + level_ypos;
11532         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11533         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11534                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11535                        brush_buffer[x][y] : new_element);
11536
11537         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11538         {
11539           if (sx < border_from_x)
11540             border_from_x = sx;
11541           else if (sx > border_to_x)
11542             border_to_x = sx;
11543           if (sy < border_from_y)
11544             border_from_y = sy;
11545           else if (sy > border_to_y)
11546             border_to_y = sy;
11547
11548           DrawBrushElement(sx, sy, element, change_level);
11549         }
11550       }
11551     }
11552
11553     if (mode != CB_DELETE_OLD_CURSOR)
11554       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11555
11556     last_cursor_x = cursor_x;
11557     last_cursor_y = cursor_y;
11558     delete_old_brush = TRUE;
11559   }
11560 }
11561
11562 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11563                             int button)
11564 {
11565   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11566 }
11567
11568 static void CopyBrushToLevel(int x, int y, int button)
11569 {
11570   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11571 }
11572
11573 static void CopyBrushToCursor(int x, int y)
11574 {
11575   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11576 }
11577
11578 static void DeleteBrushFromCursor()
11579 {
11580   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11581 }
11582
11583 void DumpBrush()
11584 {
11585   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11586 }
11587
11588 void DumpBrush_Small()
11589 {
11590   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11591 }
11592
11593 static void FloodFill(int from_x, int from_y, int fill_element)
11594 {
11595   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11596 }
11597
11598 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11599 {
11600   int from_x = from_sx2 + 2 * level_xpos;
11601   int from_y = from_sy2 + 2 * level_ypos;
11602   int max_fillx = lev_fieldx * 2;
11603   int max_filly = lev_fieldy * 2;
11604   short FillFeld[max_fillx][max_filly];
11605   int x, y;
11606
11607   for (x = 0; x < max_fillx; x++)
11608     for (y = 0; y < max_filly; y++)
11609       FillFeld[x][y] = getLevelElementHiRes(x, y);
11610
11611   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11612                     FillFeld, max_fillx, max_filly);
11613
11614   for (x = 0; x < max_fillx; x++)
11615     for (y = 0; y < max_filly; y++)
11616       if (FillFeld[x][y] == fill_element)
11617         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11618 }
11619
11620 /* values for DrawLevelText() modes */
11621 #define TEXT_INIT               0
11622 #define TEXT_SETCURSOR          1
11623 #define TEXT_WRITECHAR          2
11624 #define TEXT_BACKSPACE          3
11625 #define TEXT_NEWLINE            4
11626 #define TEXT_END                5
11627 #define TEXT_QUERY_TYPING       6
11628
11629 static int DrawLevelText(int sx, int sy, char letter, int mode)
11630 {
11631   static short delete_buffer[MAX_LEV_FIELDX];
11632   static int start_sx;
11633   static int last_sx, last_sy;
11634   static boolean typing = FALSE;
11635   int letter_element = EL_CHAR_ASCII0 + letter;
11636   int lx = 0, ly = 0;
11637
11638   /* map lower case letters to upper case and convert special characters */
11639   if (letter >= 'a' && letter <= 'z')
11640     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11641   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11642     letter_element = EL_CHAR_AUMLAUT;
11643   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11644     letter_element = EL_CHAR_OUMLAUT;
11645   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11646     letter_element = EL_CHAR_UUMLAUT;
11647   else if (letter == '^')
11648     letter_element = EL_CHAR_COPYRIGHT;
11649   else
11650     letter_element = EL_CHAR_ASCII0 + letter;
11651
11652   if (mode != TEXT_INIT)
11653   {
11654     if (!typing)
11655       return FALSE;
11656
11657     if (mode != TEXT_SETCURSOR)
11658     {
11659       sx = last_sx;
11660       sy = last_sy;
11661     }
11662
11663     lx = last_sx + level_xpos;
11664     ly = last_sy + level_ypos;
11665   }
11666
11667   switch (mode)
11668   {
11669     case TEXT_INIT:
11670       if (typing)
11671         DrawLevelText(0, 0, 0, TEXT_END);
11672
11673       typing = TRUE;
11674       start_sx = sx;
11675       last_sx = sx;
11676       last_sy = sy;
11677       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11678       break;
11679
11680     case TEXT_SETCURSOR:
11681       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11682       DrawAreaBorder(sx, sy, sx, sy);
11683       last_sx = sx;
11684       last_sy = sy;
11685       break;
11686
11687     case TEXT_WRITECHAR:
11688       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11689       {
11690         if (new_element1 >= EL_STEEL_CHAR_START &&
11691             new_element1 <= EL_STEEL_CHAR_END)
11692           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11693
11694         delete_buffer[sx - start_sx] = Feld[lx][ly];
11695         Feld[lx][ly] = letter_element;
11696
11697         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
11698           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
11699         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
11700           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11701         else
11702           DrawLevelText(0, 0, 0, TEXT_END);
11703
11704         level.changed = TRUE;
11705       }
11706       break;
11707
11708     case TEXT_BACKSPACE:
11709       if (sx > start_sx)
11710       {
11711         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
11712         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
11713         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
11714       }
11715       break;
11716
11717     case TEXT_NEWLINE:
11718       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
11719         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11720       else
11721         DrawLevelText(0, 0, 0, TEXT_END);
11722       break;
11723
11724     case TEXT_END:
11725       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11726       DrawEditorElement(sx, sy, Feld[lx][ly]);
11727       typing = FALSE;
11728       break;
11729
11730     case TEXT_QUERY_TYPING:
11731       break;
11732
11733     default:
11734       break;
11735   }
11736
11737   return typing;
11738 }
11739
11740 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
11741                           int element, boolean change_level)
11742 {
11743   int lx = sx + level_xpos;
11744   int ly = sy + level_ypos;
11745
11746   if (element == -1)
11747     DrawEditorElement(sx, sy, Feld[lx][ly]);
11748   else
11749     DrawAreaBorder(sx, sy, sx, sy);
11750 }
11751
11752 static void CheckLevelBorderElement(boolean redraw_playfield)
11753 {
11754   int last_border_element = BorderElement;
11755
11756   SetBorderElement();
11757
11758   if (redraw_playfield && BorderElement != last_border_element)
11759     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11760 }
11761
11762 static void CopyLevelToUndoBuffer(int mode)
11763 {
11764   static boolean accumulated_undo = FALSE;
11765   boolean new_undo_buffer_position = TRUE;
11766   int x, y;
11767
11768   if (undo_buffer_steps == 0)
11769     accumulated_undo = FALSE;
11770
11771   switch (mode)
11772   {
11773     case UNDO_IMMEDIATE:
11774       accumulated_undo = FALSE;
11775       break;
11776
11777     case UNDO_ACCUMULATE:
11778       if (accumulated_undo)
11779         new_undo_buffer_position = FALSE;
11780       accumulated_undo = TRUE;
11781       break;
11782
11783     default:
11784       break;
11785   }
11786
11787   if (new_undo_buffer_position)
11788   {
11789     /* advance position in undo buffer ring */
11790     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11791
11792     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
11793       undo_buffer_steps++;
11794   }
11795
11796   /* always reset redo buffer when storing level change into undo buffer */
11797   redo_buffer_steps = 0;
11798
11799   for (x = 0; x < lev_fieldx; x++)
11800     for (y = 0; y < lev_fieldy; y++)
11801       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
11802
11803   /* check if drawing operation forces change of border style */
11804   CheckLevelBorderElement(TRUE);
11805
11806   level.changed = TRUE;
11807 }
11808
11809 static void RandomPlacement(int new_element)
11810 {
11811   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11812   int num_free_positions = 0;
11813   int num_percentage, num_elements;
11814   int x, y;
11815
11816   ResetIntelliDraw();
11817
11818   /* determine number of free positions for randomly placing the new element */
11819   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
11820   {
11821     free_position[x][y] =
11822       (random_placement_background_restricted ?
11823        Feld[x][y] == random_placement_background_element :
11824        Feld[x][y] != new_element);
11825
11826     if (free_position[x][y])
11827       num_free_positions++;
11828   }
11829
11830   /* determine number of new elements to place there */
11831   num_percentage = num_free_positions * random_placement_value / 100;
11832   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
11833                   num_percentage : random_placement_value);
11834
11835   /* if less free positions than elements to place, fill all these positions */
11836   if (num_free_positions < num_elements)
11837   {
11838     for (x = 0; x < lev_fieldx; x++)
11839       for (y = 0; y < lev_fieldy; y++)
11840         if (free_position[x][y])
11841           SetElement(x, y, new_element);
11842   }
11843   else
11844   {
11845     while (num_elements > 0)
11846     {
11847       x = GetSimpleRandom(lev_fieldx);
11848       y = GetSimpleRandom(lev_fieldy);
11849
11850       /* don't place element at the same position twice */
11851       if (free_position[x][y])
11852       {
11853         free_position[x][y] = FALSE;
11854         SetElement(x, y, new_element);
11855         num_elements--;
11856       }
11857     }
11858   }
11859
11860   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11861   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11862 }
11863
11864 void WrapLevel(int dx, int dy)
11865 {
11866   int wrap_dx = lev_fieldx - dx;
11867   int wrap_dy = lev_fieldy - dy;
11868   int x, y;
11869
11870   for (x = 0; x < lev_fieldx; x++)
11871     for (y = 0; y < lev_fieldy; y++)
11872       FieldBackup[x][y] = Feld[x][y];
11873
11874   for (x = 0; x < lev_fieldx; x++)
11875     for (y = 0; y < lev_fieldy; y++)
11876       Feld[x][y] =
11877         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
11878
11879   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11880   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
11881 }
11882
11883 static void HandleDrawingAreas(struct GadgetInfo *gi)
11884 {
11885   static boolean started_inside_drawing_area = FALSE;
11886   static int last_sx = -1, last_sy = -1;
11887   static int last_sx2 = -1, last_sy2 = -1;
11888   int id = gi->custom_id;
11889   int type_id = gi->custom_type_id;
11890   boolean button_press_event;
11891   boolean button_release_event;
11892   boolean inside_drawing_area = !gi->event.off_borders;
11893   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
11894   int actual_drawing_function;
11895   int button = gi->event.button;
11896   int new_element = BUTTON_ELEMENT(button);
11897   int sx = gi->event.x, sy = gi->event.y;
11898   int min_sx = 0, min_sy = 0;
11899   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
11900   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
11901   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
11902   int sx2 = gi->event.mx / mini_item_xsize;
11903   int sy2 = gi->event.my / mini_item_ysize;
11904   int dx = sx2 % 2;
11905   int dy = sy2 % 2;
11906   int lx = 0, ly = 0;
11907   int min_lx = 0, min_ly = 0;
11908   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11909   int x, y;
11910
11911   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
11912   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
11913
11914   /* make sure to stay inside drawing area boundaries */
11915   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11916   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11917
11918   if (draw_level)
11919   {
11920     /* get positions inside level field */
11921     lx = sx + level_xpos;
11922     ly = sy + level_ypos;
11923
11924     if (!IN_LEV_FIELD(lx, ly))
11925       inside_drawing_area = FALSE;
11926
11927     /* make sure to stay inside level field boundaries */
11928     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11929     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11930
11931     /* correct drawing area positions accordingly */
11932     sx = lx - level_xpos;
11933     sy = ly - level_ypos;
11934   }
11935
11936   /* also correct MM wall-sized (double) drawing area positions accordingly */
11937   if (sx2 / 2 < sx || sx2 / 2 > sx)
11938   {
11939     dx = (sx2 / 2 < sx ? 0 : 1);
11940     sx2 = sx * 2 + dx;
11941   }
11942   if (sy2 / 2 < sy || sy2 / 2 > sy)
11943   {
11944     dy = (sy2 / 2 < sy ? 0 : 1);
11945     sy2 = sy * 2 + dy;
11946   }
11947
11948   if (button_release_event)
11949   {
11950     last_sx = -1;
11951     last_sy = -1;
11952     last_sx2 = -1;
11953     last_sy2 = -1;
11954   }
11955   else if (!button_press_event)
11956   {
11957     /* prevent handling events for every pixel position when moving mouse */
11958     if ((sx == last_sx && sy == last_sy &&
11959          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
11960         (sx2 == last_sx2 && sy2 == last_sy2))
11961       return;
11962   }
11963
11964   last_sx = sx;
11965   last_sy = sy;
11966   last_sx2 = sx2;
11967   last_sy2 = sy2;
11968
11969   if (button_press_event)
11970     started_inside_drawing_area = inside_drawing_area;
11971
11972   if (!started_inside_drawing_area)
11973     return;
11974
11975   if (!IS_VALID_BUTTON(button))
11976     return;
11977
11978   if (!button && !button_release_event)
11979     return;
11980
11981   /* handle info callback for each invocation of action callback */
11982   gi->callback_info(gi);
11983
11984   /* automatically switch to 'single item' drawing mode, if needed */
11985   actual_drawing_function =
11986     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
11987      drawing_function : GADGET_ID_SINGLE_ITEMS);
11988
11989   /* clicking into drawing area with pressed Control key picks element */
11990   if (GetKeyModState() & KMOD_Control)
11991   {
11992     last_drawing_function = drawing_function;
11993     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11994   }
11995
11996   if (GetKeyModState() & KMOD_Shift)
11997   {
11998     if (button_press_event || button_release_event)
11999       ResetIntelliDraw();
12000   }
12001
12002   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12003
12004   switch (actual_drawing_function)
12005   {
12006     case GADGET_ID_SINGLE_ITEMS:
12007       if (draw_level)
12008       {
12009         if (button_release_event)
12010         {
12011           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12012
12013           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12014               !inside_drawing_area)
12015             DeleteBrushFromCursor();
12016         }
12017
12018         if (!button || button_release_event)
12019           break;
12020
12021         if (draw_with_brush)
12022         {
12023           CopyBrushToLevel(sx, sy, button);
12024         }
12025         else
12026         {
12027           SetDrawModeHiRes(new_element);
12028
12029           if (new_element == EL_PLAYER_1)
12030           {
12031             /* remove player at old position */
12032             for (y = 0; y < lev_fieldy; y++)
12033               for (x = 0; x < lev_fieldx; x++)
12034                 if (Feld[x][y] == EL_PLAYER_1)
12035                   SetElement(x, y, EL_EMPTY);
12036           }
12037
12038           SetElementButton(lx, ly, dx, dy, new_element, button);
12039         }
12040       }
12041       else if (!button_release_event)
12042       {
12043         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12044
12045         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12046           DrawMiniGraphicExt(drawto,
12047                              gi->x + sx * MINI_TILEX,
12048                              gi->y + sy * MINI_TILEY,
12049                              el2edimg(new_element));
12050         else
12051           DrawFixedGraphicExt(drawto,
12052                               gi->x + sx * TILEX,
12053                               gi->y + sy * TILEY,
12054                               el2edimg(new_element), 0);
12055
12056         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12057           new_element = GFX_ELEMENT(new_element);
12058
12059         drawingarea_info[type_id].value[pos] = new_element;
12060
12061         CopyElementPropertiesToGame(properties_element);
12062
12063         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12064         {
12065           UpdateCustomElementGraphicGadgets();
12066
12067           FrameCounter = 0;     /* restart animation frame counter */
12068         }
12069       }
12070       break;
12071
12072     case GADGET_ID_CONNECTED_ITEMS:
12073       {
12074         static int last_sx = -1;
12075         static int last_sy = -1;
12076
12077         if (button_release_event)
12078           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12079
12080         if (button)
12081         {
12082           SetDrawModeHiRes(new_element);
12083
12084           if (getDrawModeHiRes())
12085           {
12086             sx = sx2;
12087             sy = sy2;
12088           }
12089
12090           if (!button_press_event)
12091             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12092
12093           last_sx = sx;
12094           last_sy = sy;
12095         }
12096       }
12097       break;
12098
12099     case GADGET_ID_LINE:
12100     case GADGET_ID_ARC:
12101     case GADGET_ID_RECTANGLE:
12102     case GADGET_ID_FILLED_BOX:
12103       SetDrawModeHiRes(new_element);
12104
12105       if (getDrawModeHiRes())
12106       {
12107         sx = sx2;
12108         sy = sy2;
12109       }
12110       /* FALLTHROUGH */
12111     case GADGET_ID_GRAB_BRUSH:
12112     case GADGET_ID_TEXT:
12113       {
12114         static int last_sx = -1;
12115         static int last_sy = -1;
12116         static int start_sx = -1;
12117         static int start_sy = -1;
12118         void (*draw_func)(int, int, int, int, int, boolean);
12119
12120         if (drawing_function == GADGET_ID_LINE)
12121           draw_func = DrawLine;
12122         else if (drawing_function == GADGET_ID_ARC)
12123           draw_func = DrawArc;
12124         else if (drawing_function == GADGET_ID_RECTANGLE)
12125           draw_func = DrawBox;
12126         else if (drawing_function == GADGET_ID_FILLED_BOX)
12127           draw_func = DrawFilledBox;
12128         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12129           draw_func = SelectArea;
12130         else /* (drawing_function == GADGET_ID_TEXT) */
12131           draw_func = SetTextCursor;
12132
12133         if (button_press_event)
12134         {
12135           draw_func(sx, sy, sx, sy, new_element, FALSE);
12136           start_sx = last_sx = sx;
12137           start_sy = last_sy = sy;
12138
12139           if (drawing_function == GADGET_ID_TEXT)
12140             DrawLevelText(0, 0, 0, TEXT_END);
12141         }
12142         else if (button_release_event)
12143         {
12144           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12145           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12146           {
12147             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12148             CopyBrushToCursor(sx, sy);
12149             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12150                           MB_LEFTBUTTON);
12151             draw_with_brush = TRUE;
12152           }
12153           else if (drawing_function == GADGET_ID_TEXT)
12154             DrawLevelText(sx, sy, 0, TEXT_INIT);
12155           else
12156             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12157         }
12158         else if (last_sx != sx || last_sy != sy)
12159         {
12160           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12161           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12162             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12163           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12164           last_sx = sx;
12165           last_sy = sy;
12166         }
12167       }
12168       break;
12169
12170     case GADGET_ID_FLOOD_FILL:
12171       if (button_press_event && Feld[lx][ly] != new_element)
12172       {
12173         if (IS_MM_WALL_EDITOR(new_element))
12174           FloodFillWall_MM(sx2, sy2, new_element);
12175         else
12176           FloodFill(lx, ly, new_element);
12177
12178         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12179         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12180       }
12181       break;
12182
12183     case GADGET_ID_PICK_ELEMENT:
12184       if (button_release_event)
12185         ClickOnGadget(level_editor_gadget[last_drawing_function],
12186                       MB_LEFTBUTTON);
12187       else if (draw_level)
12188         PickDrawingElement(button, Feld[lx][ly]);
12189       else
12190       {
12191         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12192
12193         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12194       }
12195
12196     default:
12197       break;
12198   }
12199
12200   /* do not mark level as modified for certain non-level-changing gadgets */
12201   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12202        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12203       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12204       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12205     return;
12206
12207   level.changed = TRUE;
12208 }
12209
12210 static void HandleCounterButtons(struct GadgetInfo *gi)
12211 {
12212   int gadget_id = gi->custom_id;
12213   int counter_id = gi->custom_type_id;
12214   int button = gi->event.button;
12215   int *counter_value = counterbutton_info[counter_id].value;
12216   int step = BUTTON_STEPSIZE(button) *
12217     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12218
12219   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12220   {
12221     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12222     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12223     boolean level_changed = LevelChanged();
12224
12225     if ((level_changed && pressed) || (!level_changed && released))
12226       return;
12227
12228     if (level_changed && !Request("Level has changed! Discard changes?",
12229                                   REQ_ASK))
12230     {
12231       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12232         ModifyEditorCounterValue(counter_id, *counter_value);
12233
12234       return;
12235     }
12236   }
12237
12238   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12239     *counter_value = gi->textinput.number_value;
12240   else
12241     ModifyEditorCounterValue(counter_id, *counter_value + step);
12242
12243   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12244   {
12245     int last_game_engine_type = level.game_engine_type;
12246
12247     LoadLevel(level_nr);
12248     LoadScore(level_nr);
12249
12250     SaveLevelSetup_SeriesInfo();
12251
12252     TapeErase();
12253
12254     ResetUndoBuffer();
12255     DrawEditModeWindow();
12256
12257     if (level.game_engine_type != last_game_engine_type)
12258     {
12259       /* update element selection list */
12260       ReinitializeElementList();
12261       ModifyEditorElementList();
12262     }
12263
12264     return;
12265   }
12266
12267   switch (counter_id)
12268   {
12269     case ED_COUNTER_ID_YAMYAM_CONTENT:
12270       DrawYamYamContentAreas();
12271       break;
12272
12273     case ED_COUNTER_ID_BALL_CONTENT:
12274       DrawMagicBallContentAreas();
12275       break;
12276
12277     case ED_COUNTER_ID_ANDROID_CONTENT:
12278       DrawAndroidElementArea(properties_element);
12279       break;
12280
12281     case ED_COUNTER_ID_GROUP_CONTENT:
12282       DrawGroupElementArea(properties_element);
12283       CopyGroupElementPropertiesToGame(properties_element);
12284       break;
12285
12286     case ED_COUNTER_ID_INVENTORY_SIZE:
12287       DrawPlayerInitialInventoryArea(properties_element);
12288       break;
12289
12290     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12291     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12292       DrawEnvelopeTextArea(-1);
12293       break;
12294
12295     case ED_COUNTER_ID_LEVEL_XSIZE:
12296     case ED_COUNTER_ID_LEVEL_YSIZE:
12297       lev_fieldx = level.fieldx;
12298       lev_fieldy = level.fieldy;
12299
12300       /* check if resizing of level results in change of border border */
12301       SetBorderElement();
12302
12303       break;
12304
12305     default:
12306       break;
12307   }
12308
12309   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12310        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12311       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12312        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12313     CopyElementPropertiesToGame(properties_element);
12314
12315   /* do not mark level as modified for certain non-level-changing gadgets */
12316   if (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12317       counter_id <= ED_COUNTER_ID_EDITOR_LAST)
12318     return;
12319
12320   level.changed = TRUE;
12321 }
12322
12323 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12324 {
12325   int type_id = gi->custom_type_id;
12326
12327   strcpy(textinput_info[type_id].value, gi->textinput.value);
12328
12329   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12330   {
12331     CopyElementPropertiesToGame(properties_element);
12332
12333     ModifyEditorElementList();  /* update changed button info text */
12334   }
12335
12336   level.changed = TRUE;
12337 }
12338
12339 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12340 {
12341   int type_id = gi->custom_type_id;
12342
12343   strncpy(textarea_info[type_id].value, gi->textarea.value,
12344           MAX_ENVELOPE_TEXT_LEN);
12345   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12346
12347   level.changed = TRUE;
12348 }
12349
12350 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12351 {
12352   int type_id = gi->custom_type_id;
12353   int value_old = *selectbox_info[type_id].value;
12354   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12355
12356   *selectbox_info[type_id].value = value_new;
12357
12358   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12359   {
12360     element_info[properties_element].current_change_page = gi->selectbox.index;
12361
12362     DrawPropertiesWindow();
12363   }
12364   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12365             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12366            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12367             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12368            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12369   {
12370     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12371     {
12372       /* when changing action type, also check action mode and action arg */
12373       if (value_old != value_new)
12374         setSelectboxSpecialActionVariablesIfNeeded();
12375
12376       DrawPropertiesChange();
12377     }
12378
12379     CopyElementPropertiesToGame(properties_element);
12380   }
12381   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12382   {
12383     /* update element selection list */
12384     ReinitializeElementList();
12385     ModifyEditorElementList();
12386   }
12387
12388   /* do not mark level as modified for certain non-level-changing gadgets */
12389   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12390     return;
12391
12392   level.changed = TRUE;
12393 }
12394
12395 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12396 {
12397   int type_id = gi->custom_type_id;
12398   int i;
12399
12400   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12401       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12402   {
12403     edit_mode_levelinfo = gi->custom_type_id;
12404
12405     DrawLevelInfoWindow();
12406   }
12407   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12408            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12409   {
12410     edit_mode_properties = gi->custom_type_id;
12411
12412     DrawPropertiesWindow();
12413   }
12414   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12415            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12416   {
12417     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12418
12419     /* backup original "level.field" (needed to track playfield changes) */
12420     CopyPlayfield(level.field, FieldBackup);
12421
12422     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12423     CopyPlayfield(Feld, level.field);
12424
12425     if (new_template ||
12426         Request("Save this template and kill the old?", REQ_ASK))
12427       SaveLevelTemplate();
12428
12429     if (new_template)
12430       Request("Template saved!", REQ_CONFIRM);
12431
12432     /* restore original "level.field" (needed to track playfield changes) */
12433     CopyPlayfield(FieldBackup, level.field);
12434   }
12435   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12436            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12437   {
12438     struct ElementInfo *ei = &element_info[properties_element];
12439
12440     /* when modifying custom element, ask for copying level template */
12441     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12442       return;
12443
12444     setElementChangePages(ei, ei->num_change_pages + 1);
12445
12446     /* set new change page to be new current change page */
12447     ei->current_change_page = ei->num_change_pages - 1;
12448     ei->change = &ei->change_page[ei->current_change_page];
12449
12450     setElementChangeInfoToDefaults(ei->change);
12451
12452     DrawPropertiesWindow();
12453
12454     level.changed = TRUE;
12455   }
12456   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12457            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12458   {
12459     struct ElementInfo *ei = &element_info[properties_element];
12460
12461     /* when modifying custom element, ask for copying level template */
12462     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12463       return;
12464
12465     /* copy all change pages after change page to be deleted */
12466     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12467       ei->change_page[i] = ei->change_page[i + 1];
12468
12469     setElementChangePages(ei, ei->num_change_pages - 1);
12470
12471     DrawPropertiesWindow();
12472
12473     level.changed = TRUE;
12474   }
12475 }
12476
12477 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12478 {
12479   int type_id = gi->custom_type_id;
12480
12481   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12482       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12483   {
12484     struct ElementInfo *ei = &element_info[properties_element];
12485     int step = BUTTON_STEPSIZE(gi->event.button);
12486
12487     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12488     ei->current_change_page += step;
12489
12490     if (ei->current_change_page < 0)
12491       ei->current_change_page = 0;
12492     else if (ei->current_change_page >= ei->num_change_pages)
12493       ei->current_change_page = ei->num_change_pages - 1;
12494
12495     DrawPropertiesWindow();
12496   }
12497   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12498            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12499   {
12500     struct ElementInfo *ei = &element_info[properties_element];
12501     int current_change_page = ei->current_change_page;
12502
12503     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12504     {
12505       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12506         ei->change_page[current_change_page];
12507     }
12508     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12509     {
12510       /* when modifying custom element, ask for copying level template */
12511       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12512         return;
12513
12514       ei->change_page[current_change_page] =
12515         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12516
12517       level.changed = TRUE;
12518     }
12519
12520     DrawPropertiesWindow();
12521   }
12522 }
12523
12524 static void HandleRadiobuttons(struct GadgetInfo *gi)
12525 {
12526   int type_id = gi->custom_type_id;
12527
12528   *radiobutton_info[type_id].value =
12529     radiobutton_info[type_id].checked_value;
12530
12531   /* do not mark level as modified for certain non-level-changing gadgets */
12532   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12533       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12534     return;
12535
12536   level.changed = TRUE;
12537 }
12538
12539 static void HandleCheckbuttons(struct GadgetInfo *gi)
12540 {
12541   int type_id = gi->custom_type_id;
12542
12543   *checkbutton_info[type_id].value ^= TRUE;
12544
12545   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12546       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12547       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12548       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12549          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12550         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12551          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12552        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12553   {
12554     CopyElementPropertiesToGame(properties_element);
12555   }
12556
12557   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12558   {
12559     UpdateCustomElementGraphicGadgets();
12560   }
12561   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12562            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12563   {
12564     boolean template_related_changes_found = FALSE;
12565     int i;
12566
12567     /* check if any custom or group elements have been changed */
12568     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12569       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12570           element_info[i].modified_settings)
12571         template_related_changes_found = TRUE;
12572
12573     if (level.use_custom_template &&
12574         !fileExists(getGlobalLevelTemplateFilename()))
12575     {
12576       Request("No level template found!", REQ_CONFIRM);
12577
12578       level.use_custom_template = FALSE;
12579
12580       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12581
12582       return;
12583     }
12584
12585     if (level.use_custom_template &&
12586         template_related_changes_found &&
12587         !Request("Discard changes and use level template?", REQ_ASK))
12588     {
12589       level.use_custom_template = FALSE;
12590
12591       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12592
12593       return;
12594     }
12595
12596     if (!level.use_custom_template &&
12597         Request("Copy settings from level template?", REQ_ASK))
12598     {
12599       return;
12600     }
12601
12602     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12603
12604     DrawEditModeWindow();
12605   }
12606   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12607   {
12608     if (setup.editor.use_template_for_new_levels &&
12609         !fileExists(getGlobalLevelTemplateFilename()))
12610     {
12611       Request("No level template found!", REQ_CONFIRM);
12612
12613       return;
12614     }
12615
12616     if (setup.editor.use_template_for_new_levels &&
12617         level.changed &&
12618         !Request("Discard level and load template?", REQ_ASK))
12619     {
12620       return;
12621     }
12622
12623     if (!setup.editor.use_template_for_new_levels &&
12624         level.changed &&
12625         !Request("Discard level and use empty level?", REQ_ASK))
12626     {
12627       return;
12628     }
12629
12630     LoadLevel(level_nr);
12631     LoadScore(level_nr);
12632
12633     TapeErase();
12634
12635     ResetUndoBuffer();
12636     DrawEditModeWindow();
12637   }
12638   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
12639   {
12640     SetAutomaticNumberOfGemsNeeded();
12641   }
12642
12643   /* do not mark level as modified for certain non-level-changing gadgets */
12644   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
12645        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
12646       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
12647     return;
12648
12649   level.changed = TRUE;
12650 }
12651
12652 static void HandleControlButtons(struct GadgetInfo *gi)
12653 {
12654   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
12655   static int last_edit_mode = ED_MODE_DRAWING;
12656   static int last_custom_copy_mode = -1;
12657   static int last_button = 0;
12658   int id = gi->custom_id;
12659   int button = gi->event.button;
12660   int step = BUTTON_STEPSIZE(button);
12661   int new_element = BUTTON_ELEMENT(button);
12662   int last_properties_element = properties_element;
12663   int x, y;
12664
12665   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
12666     DrawLevelText(0, 0, 0, TEXT_END);
12667
12668   if (id < ED_NUM_CTRL1_BUTTONS &&
12669       id != GADGET_ID_SINGLE_ITEMS &&
12670       id != GADGET_ID_PICK_ELEMENT &&
12671       edit_mode != ED_MODE_DRAWING &&
12672       drawing_function != GADGET_ID_PICK_ELEMENT &&
12673       !(GetKeyModState() & KMOD_Control))
12674     ChangeEditModeWindow(ED_MODE_DRAWING);
12675
12676   /* element copy mode active, but no element button pressed => deactivate */
12677   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
12678     last_custom_copy_mode = -1;
12679
12680   /* when showing palette on element buttons, change element of button used */
12681   if (editor.palette.show_on_element_buttons &&
12682       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
12683   {
12684     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
12685
12686     id = GADGET_ID_PALETTE;
12687   }
12688
12689   switch (id)
12690   {
12691     case GADGET_ID_SCROLL_LEFT:
12692       if (level_xpos >= 0)
12693       {
12694         if (lev_fieldx < ed_fieldx - 2)
12695           break;
12696
12697         level_xpos -= step;
12698         if (level_xpos < -1)
12699           level_xpos = -1;
12700         if (button == 1)
12701           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
12702         else
12703           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12704
12705         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12706                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12707       }
12708       break;
12709
12710     case GADGET_ID_SCROLL_RIGHT:
12711       if (level_xpos <= lev_fieldx - ed_fieldx)
12712       {
12713         if (lev_fieldx < ed_fieldx - 2)
12714           break;
12715
12716         level_xpos += step;
12717         if (level_xpos > lev_fieldx - ed_fieldx + 1)
12718           level_xpos = lev_fieldx - ed_fieldx + 1;
12719         if (button == 1)
12720           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
12721         else
12722           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12723
12724         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12725                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12726       }
12727       break;
12728
12729     case GADGET_ID_SCROLL_UP:
12730       if (level_ypos >= 0)
12731       {
12732         if (lev_fieldy < ed_fieldy - 2)
12733           break;
12734
12735         level_ypos -= step;
12736         if (level_ypos < -1)
12737           level_ypos = -1;
12738         if (button == 1)
12739           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
12740         else
12741           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12742
12743         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12744                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12745       }
12746       break;
12747
12748     case GADGET_ID_SCROLL_DOWN:
12749       if (level_ypos <= lev_fieldy - ed_fieldy)
12750       {
12751         if (lev_fieldy < ed_fieldy - 2)
12752           break;
12753
12754         level_ypos += step;
12755         if (level_ypos > lev_fieldy - ed_fieldy + 1)
12756           level_ypos = lev_fieldy - ed_fieldy + 1;
12757         if (button == 1)
12758           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
12759         else
12760           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12761
12762         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12763                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12764       }
12765       break;
12766
12767     case GADGET_ID_SCROLL_HORIZONTAL:
12768       level_xpos = gi->event.item_position - 1;
12769
12770       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12771       BackToFront();
12772
12773       break;
12774
12775     case GADGET_ID_SCROLL_VERTICAL:
12776       level_ypos = gi->event.item_position - 1;
12777
12778       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12779       BackToFront();
12780
12781       break;
12782
12783     case GADGET_ID_SCROLL_LIST_UP:
12784     case GADGET_ID_SCROLL_LIST_DOWN:
12785     case GADGET_ID_SCROLL_LIST_VERTICAL:
12786       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
12787         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
12788       else
12789       {
12790         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
12791         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
12792
12793         if (element_shift < 0)
12794           element_shift = 0;
12795         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12796           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12797
12798         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12799                      GDI_SCROLLBAR_ITEM_POSITION,
12800                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12801       }
12802
12803       ModifyEditorElementList();
12804
12805       break;
12806
12807     case GADGET_ID_PROPERTIES:
12808       // always switch off element properties when they are already displayed
12809       last_properties_element = new_element;
12810     case GADGET_ID_ELEMENT_LEFT:
12811     case GADGET_ID_ELEMENT_MIDDLE:
12812     case GADGET_ID_ELEMENT_RIGHT:
12813       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
12814                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
12815                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
12816                             new_element);
12817
12818       if (edit_mode != ED_MODE_PROPERTIES)
12819       {
12820         last_edit_mode = edit_mode;
12821
12822         ChangeEditModeWindow(ED_MODE_PROPERTIES);
12823
12824         last_level_drawing_function = drawing_function;
12825         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12826                       MB_LEFTBUTTON);
12827       }
12828       else if (properties_element != last_properties_element)
12829       {
12830         DrawEditModeWindow();
12831       }
12832       else
12833       {
12834         ChangeEditModeWindow(last_edit_mode);
12835
12836         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
12837                       MB_LEFTBUTTON);
12838       }
12839       break;
12840
12841     case GADGET_ID_PALETTE:
12842       if (edit_mode != ED_MODE_PALETTE)
12843       {
12844         last_edit_mode = edit_mode;
12845
12846         ChangeEditModeWindow(ED_MODE_PALETTE);
12847       }
12848       else
12849       {
12850         ChangeEditModeWindow(last_edit_mode);
12851       }
12852       break;
12853
12854     case GADGET_ID_WRAP_LEFT:
12855       WrapLevel(-step, 0);
12856       break;
12857
12858     case GADGET_ID_WRAP_RIGHT:
12859       WrapLevel(step, 0);
12860       break;
12861
12862     case GADGET_ID_WRAP_UP:
12863       WrapLevel(0, -step);
12864       break;
12865
12866     case GADGET_ID_WRAP_DOWN:
12867       WrapLevel(0, step);
12868       break;
12869
12870     case GADGET_ID_SINGLE_ITEMS:
12871     case GADGET_ID_CONNECTED_ITEMS:
12872     case GADGET_ID_LINE:
12873     case GADGET_ID_ARC:
12874     case GADGET_ID_TEXT:
12875     case GADGET_ID_RECTANGLE:
12876     case GADGET_ID_FILLED_BOX:
12877     case GADGET_ID_FLOOD_FILL:
12878     case GADGET_ID_GRAB_BRUSH:
12879     case GADGET_ID_PICK_ELEMENT:
12880       if (drawing_function != GADGET_ID_PICK_ELEMENT)
12881         last_drawing_function = drawing_function;
12882       drawing_function = id;
12883       draw_with_brush = FALSE;
12884       break;
12885
12886     case GADGET_ID_RANDOM_PLACEMENT:
12887       RandomPlacement(new_element);
12888       break;
12889
12890     case GADGET_ID_ZOOM:
12891       // zoom level editor tile size in or out (or reset to default size)
12892       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
12893                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
12894                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
12895
12896       // limit zoom level by upper and lower bound
12897       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
12898
12899       InitZoomLevelSettings(ed_tilesize);
12900
12901       if (edit_mode == ED_MODE_DRAWING)
12902       {
12903         DrawDrawingWindow();
12904
12905         /* redraw zoom gadget info text */
12906         PrintEditorGadgetInfoText(level_editor_gadget[id]);
12907       }
12908
12909       /* save current editor zoom tilesize */
12910       SaveSetup_AutoSetup();
12911
12912       break;
12913
12914     case GADGET_ID_CUSTOM_COPY_FROM:
12915     case GADGET_ID_CUSTOM_COPY_TO:
12916     case GADGET_ID_CUSTOM_EXCHANGE:
12917       last_custom_copy_mode = id;
12918       last_drawing_function = drawing_function;
12919       break;
12920
12921     case GADGET_ID_CUSTOM_COPY:
12922       CopyCustomElement(properties_element, -1, id);
12923       break;
12924
12925     case GADGET_ID_CUSTOM_PASTE:
12926       CopyCustomElement(-1, properties_element, id);
12927       break;
12928
12929     case GADGET_ID_UNDO:
12930       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
12931         button = 3;
12932
12933       if (button == 1 && undo_buffer_steps == 0)
12934       {
12935         Request("Undo buffer empty!", REQ_CONFIRM);
12936
12937         break;
12938       }
12939       else if (button == 2)
12940       {
12941         break;
12942       }
12943       else if (button == 3 && redo_buffer_steps == 0)
12944       {
12945         Request("Redo buffer empty!", REQ_CONFIRM);
12946
12947         break;
12948       }
12949
12950       if (edit_mode != ED_MODE_DRAWING)
12951         ChangeEditModeWindow(ED_MODE_DRAWING);
12952
12953       if (button == 1)
12954       {
12955         /* undo */
12956
12957         undo_buffer_position =
12958           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
12959
12960         undo_buffer_steps--;
12961         redo_buffer_steps++;
12962       }
12963       else
12964       {
12965         /* redo */
12966
12967         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12968
12969         undo_buffer_steps++;
12970         redo_buffer_steps--;
12971       }
12972
12973       for (x = 0; x < lev_fieldx; x++)
12974         for (y = 0; y < lev_fieldy; y++)
12975           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
12976
12977       /* check if undo operation forces change of border style */
12978       CheckLevelBorderElement(FALSE);
12979
12980       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12981
12982       break;
12983
12984     case GADGET_ID_INFO:
12985       if (edit_mode != ED_MODE_INFO)
12986       {
12987         last_edit_mode = edit_mode;
12988
12989         ChangeEditModeWindow(ED_MODE_INFO);
12990       }
12991       else
12992       {
12993         ChangeEditModeWindow(last_edit_mode);
12994       }
12995       break;
12996
12997     case GADGET_ID_CLEAR:
12998       if (edit_mode != ED_MODE_DRAWING)
12999         ChangeEditModeWindow(ED_MODE_DRAWING);
13000
13001       for (x = 0; x < MAX_LEV_FIELDX; x++)
13002         for (y = 0; y < MAX_LEV_FIELDY; y++)
13003           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13004
13005       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13006
13007       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13008       break;
13009
13010     case GADGET_ID_SAVE:
13011     {
13012       /* saving read-only levels into personal level set modifies global vars
13013          "leveldir_current" and "level_nr"; restore them after saving level */
13014       LevelDirTree *leveldir_former = leveldir_current;
13015       int level_nr_former = level_nr;
13016       char *level_filename;
13017       boolean new_level;
13018
13019       if (leveldir_current->readonly &&
13020           !PrepareSavingIntoPersonalLevelSet())
13021         break;
13022
13023       level_filename = getDefaultLevelFilename(level_nr);
13024       new_level = !fileExists(level_filename);
13025
13026       if (new_level ||
13027           Request("Save this level and kill the old?", REQ_ASK))
13028       {
13029         if (leveldir_former->readonly)
13030           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13031
13032         SetAutomaticNumberOfGemsNeeded();
13033
13034         CopyPlayfield(Feld, level.field);
13035         SaveLevel(level_nr);
13036
13037         level.changed = FALSE;
13038
13039         if (new_level)
13040         {
13041           char level_saved_msg[64];
13042
13043           if (leveldir_former->readonly)
13044             sprintf(level_saved_msg,
13045                     "Level saved as level %d into personal level set!",
13046                     level_nr);
13047           else
13048             strcpy(level_saved_msg, "Level saved!");
13049
13050           Request(level_saved_msg, REQ_CONFIRM);
13051         }
13052       }
13053
13054       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13055       leveldir_current = leveldir_former;
13056       level_nr = level_nr_former;
13057
13058       break;
13059     }
13060
13061     case GADGET_ID_TEST:
13062       if (LevelChanged())
13063         level.game_version = GAME_VERSION_ACTUAL;
13064
13065       CopyPlayfield(level.field, FieldBackup);
13066       CopyPlayfield(Feld, level.field);
13067
13068       CopyNativeLevel_RND_to_Native(&level);
13069
13070       UnmapLevelEditorGadgets();
13071       UndrawSpecialEditorDoor();
13072
13073       CloseDoor(DOOR_CLOSE_ALL);
13074
13075       /* needed before playing if editor playfield area has different size */
13076       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13077
13078       // redraw_mask = REDRAW_ALL;
13079
13080       level_editor_test_game = TRUE;
13081
13082       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13083
13084       break;
13085
13086     case GADGET_ID_EXIT:
13087       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13088       break;
13089
13090     default:
13091       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13092           id <= GADGET_ID_ELEMENTLIST_LAST)
13093       {
13094         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13095         int new_element = editor_elements[element_position + element_shift];
13096
13097         if (IS_EDITOR_CASCADE(new_element))
13098         {
13099           int i;
13100
13101           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13102           {
13103             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13104             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13105
13106             if (*cascade_element == new_element)
13107             {
13108               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13109               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13110
13111               /* update element selection list */
13112               ReinitializeElementList();
13113               ModifyEditorElementList();
13114
13115               /* update cascading gadget info text */
13116               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13117
13118               /* save current editor cascading state */
13119               SaveSetup_EditorCascade();
13120
13121               break;
13122             }
13123           }
13124
13125           break;
13126         }
13127
13128         if (last_custom_copy_mode != -1)
13129         {
13130           if (CopyCustomElement(properties_element, new_element,
13131                                 last_custom_copy_mode))
13132           {
13133             ClickOnGadget(level_editor_gadget[last_drawing_function],
13134                           MB_LEFTBUTTON);
13135
13136             last_custom_copy_mode = -1;
13137           }
13138
13139           break;
13140         }
13141
13142         /* change element of button used to show palette */
13143         if (editor.palette.show_on_element_buttons)
13144           button = last_button;
13145
13146         PickDrawingElement(button, new_element);
13147
13148         if (!stick_element_properties_window &&
13149             drawing_function != GADGET_ID_PICK_ELEMENT &&
13150             !(GetKeyModState() & KMOD_Control))
13151         {
13152           properties_element = new_element;
13153           if (edit_mode == ED_MODE_PROPERTIES)
13154             DrawPropertiesWindow();
13155         }
13156
13157         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13158           ClickOnGadget(level_editor_gadget[last_drawing_function],
13159                         MB_LEFTBUTTON);
13160
13161         if (!use_permanent_palette)
13162           ChangeEditModeWindow(last_edit_mode);
13163       }
13164 #ifdef DEBUG
13165       else if (gi->event.type == GD_EVENT_PRESSED)
13166         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13167       else if (gi->event.type == GD_EVENT_RELEASED)
13168         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13169       else if (gi->event.type == GD_EVENT_MOVING)
13170         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13171       else
13172         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13173 #endif
13174       break;
13175   }
13176 }
13177
13178 void HandleLevelEditorKeyInput(Key key)
13179 {
13180   char letter = getCharFromKey(key);
13181   int button = MB_LEFTBUTTON;
13182
13183   if (drawing_function == GADGET_ID_TEXT &&
13184       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13185   {
13186     if (letter)
13187       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13188     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13189       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13190     else if (key == KSYM_Return)
13191       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13192     else if (key == KSYM_Escape)
13193       DrawLevelText(0, 0, 0, TEXT_END);
13194   }
13195   else if (button_status == MB_RELEASED)
13196   {
13197     int id = GADGET_ID_NONE;
13198     int new_element_shift = element_shift;
13199     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13200     int i;
13201
13202     switch (key)
13203     {
13204       case KSYM_Left:
13205         id = GADGET_ID_SCROLL_LEFT;
13206         break;
13207       case KSYM_Right:
13208         id = GADGET_ID_SCROLL_RIGHT;
13209         break;
13210       case KSYM_Up:
13211         id = GADGET_ID_SCROLL_UP;
13212         break;
13213       case KSYM_Down:
13214         id = GADGET_ID_SCROLL_DOWN;
13215         break;
13216
13217       case KSYM_Page_Up:
13218       case KSYM_Page_Down:
13219         step *= (key == KSYM_Page_Up ? -1 : +1);
13220         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13221
13222         if (element_shift < 0)
13223           element_shift = 0;
13224         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13225           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13226
13227         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13228                      GDI_SCROLLBAR_ITEM_POSITION,
13229                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13230
13231         ModifyEditorElementList();
13232
13233         break;
13234
13235       case KSYM_Home:
13236       case KSYM_End:
13237         element_shift = (key == KSYM_Home ? 0 :
13238                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13239
13240         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13241                      GDI_SCROLLBAR_ITEM_POSITION,
13242                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13243
13244         ModifyEditorElementList();
13245
13246         break;
13247
13248       case KSYM_Insert:
13249       case KSYM_Delete:
13250
13251         /* this is needed to prevent interference with running "True X-Mouse" */
13252         if (GetKeyModStateFromEvents() & KMOD_Control)
13253           break;
13254
13255         /* check for last or next editor cascade block in element list */
13256         for (i = 0; i < num_editor_elements; i++)
13257         {
13258           if ((key == KSYM_Insert && i == element_shift) ||
13259               (key == KSYM_Delete && new_element_shift > element_shift))
13260             break;
13261
13262           /* jump to next cascade block (or to start of element list) */
13263           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13264             new_element_shift = i;
13265         }
13266
13267         if (i < num_editor_elements)
13268           element_shift = new_element_shift;
13269
13270         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13271           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13272
13273         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13274                      GDI_SCROLLBAR_ITEM_POSITION,
13275                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13276
13277         ModifyEditorElementList();
13278
13279         break;
13280
13281       case KSYM_Escape:
13282         if (edit_mode == ED_MODE_DRAWING)
13283         {
13284           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13285         }
13286         else if (edit_mode == ED_MODE_INFO)
13287         {
13288           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13289         }
13290         else if (edit_mode == ED_MODE_PROPERTIES)
13291         {
13292           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13293         }
13294         else if (edit_mode == ED_MODE_PALETTE)
13295         {
13296           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13297         }
13298         else            /* should never happen */
13299         {
13300           ChangeEditModeWindow(ED_MODE_DRAWING);
13301         }
13302
13303         break;
13304
13305       default:
13306         break;
13307     }
13308
13309     if (id != GADGET_ID_NONE)
13310       ClickOnGadget(level_editor_gadget[id], button);
13311     else if (letter == '1' || letter == '?')
13312       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13313     else if (letter == '2')
13314       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13315     else if (letter == '3')
13316       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13317     else if (letter == '.')
13318       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13319     else if (letter == 'U')
13320       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13321     else if (letter == '-' || key == KSYM_KP_Subtract)
13322       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13323     else if (letter == '0' || key == KSYM_KP_0)
13324       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13325     else if (letter == '+' || key == KSYM_KP_Add ||
13326              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13327       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13328     else if (key == KSYM_Return ||
13329              key == KSYM_space ||
13330              key == setup.shortcut.toggle_pause)
13331       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13332     else
13333       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13334         if (letter && letter == controlbutton_info[i].shortcut)
13335           if (!anyTextGadgetActive())
13336             ClickOnGadget(level_editor_gadget[i], button);
13337   }
13338 }
13339
13340 void HandleLevelEditorIdle()
13341 {
13342   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13343   int x = editor.settings.element_graphic.x + element_border;
13344   int y = editor.settings.element_graphic.y + element_border;
13345   static unsigned int action_delay = 0;
13346   unsigned int action_delay_value = GameFrameDelay;
13347   int i;
13348
13349   if (edit_mode != ED_MODE_PROPERTIES)
13350     return;
13351
13352   if (!DelayReached(&action_delay, action_delay_value))
13353     return;
13354
13355   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13356   {
13357     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13358
13359     if (gi->mapped && gi->active && gi->selectbox.open)
13360       return;
13361   }
13362
13363   DrawEditorElementAnimation(SX + x, SY + y);
13364
13365   redraw_mask |= REDRAW_FIELD;
13366
13367   FrameCounter++;       /* increase animation frame counter */
13368 }
13369
13370 static void ClearEditorGadgetInfoText()
13371 {
13372   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13373 }
13374
13375 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13376 {
13377   char infotext[MAX_OUTPUT_LINESIZE + 1];
13378   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13379   int max_infotext_len = getMaxInfoTextLength();
13380
13381   if (gi == NULL || strlen(gi->info_text) == 0)
13382     return;
13383
13384   strncpy(infotext, gi->info_text, max_infotext_len);
13385   infotext[max_infotext_len] = '\0';
13386
13387   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13388   {
13389     int key = controlbutton_info[gi->custom_id].shortcut;
13390
13391     if (key)
13392     {
13393       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13394         sprintf(shortcut, " ('.' or '%c')", key);
13395       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13396         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13397       else if (gi->custom_id == GADGET_ID_TEST)
13398         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13399       else if (gi->custom_id == GADGET_ID_UNDO)
13400         sprintf(shortcut, " ('%c/Shift-U')", key);
13401       else if (gi->custom_id == GADGET_ID_ZOOM)
13402         sprintf(shortcut, " ('%c', '0', '-')", key);
13403       else
13404         sprintf(shortcut, " ('%s%c')",
13405                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13406
13407       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13408         strcat(infotext, shortcut);
13409     }
13410   }
13411
13412   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13413 }
13414
13415 void HandleEditorGadgetInfoText(void *ptr)
13416 {
13417   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13418
13419   if (game_status != GAME_MODE_EDITOR)
13420     return;
13421
13422   ClearEditorGadgetInfoText();
13423
13424   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13425     return;
13426
13427   /* misuse this function to delete brush cursor, if needed */
13428   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13429     DeleteBrushFromCursor();
13430
13431   PrintEditorGadgetInfoText(gi);
13432 }
13433
13434 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13435 {
13436   static int start_lx, start_ly;
13437   int id = gi->custom_id;
13438   int type_id = gi->custom_type_id;
13439   int sx = gi->event.x;
13440   int sy = gi->event.y;
13441   int lx = sx + level_xpos;
13442   int ly = sy + level_ypos;
13443   int min_sx = 0, min_sy = 0;
13444   int max_sx = gi->drawing.area_xsize - 1;
13445   int max_sy = gi->drawing.area_ysize - 1;
13446   int actual_drawing_function = drawing_function;
13447   int max_infotext_len = getMaxInfoTextLength();
13448   char infotext[MAX_OUTPUT_LINESIZE + 1];
13449   char *text;
13450
13451   infotext[0] = '\0';           /* start with empty info text */
13452
13453   /* pressed Control key: simulate picking element */
13454   if (GetKeyModState() & KMOD_Control)
13455     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13456
13457   ClearEditorGadgetInfoText();
13458
13459   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13460     return;
13461
13462   /* make sure to stay inside drawing area boundaries */
13463   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13464   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13465
13466   if (id == GADGET_ID_DRAWING_LEVEL)
13467   {
13468     if (button_status)
13469     {
13470       int min_lx = 0, min_ly = 0;
13471       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13472
13473       /* get positions inside level field */
13474       lx = sx + level_xpos;
13475       ly = sy + level_ypos;
13476
13477       /* make sure to stay inside level field boundaries */
13478       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13479       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13480
13481       /* correct drawing area positions accordingly */
13482       sx = lx - level_xpos;
13483       sy = ly - level_ypos;
13484     }
13485
13486     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13487     {
13488       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13489       {
13490         if (gi->event.type == GD_EVENT_PRESSED)
13491         {
13492           start_lx = lx;
13493           start_ly = ly;
13494         }
13495
13496         switch (actual_drawing_function)
13497         {
13498           case GADGET_ID_SINGLE_ITEMS:
13499             text = "Drawing single items";
13500             break;
13501           case GADGET_ID_CONNECTED_ITEMS:
13502             text = "Drawing connected items";
13503             break;
13504           case GADGET_ID_LINE:
13505             text = "Drawing line";
13506             break;
13507           case GADGET_ID_ARC:
13508             text = "Drawing arc";
13509             break;
13510           case GADGET_ID_TEXT:
13511             text = "Setting text cursor";
13512             break;
13513           case GADGET_ID_RECTANGLE:
13514             text = "Drawing rectangle";
13515             break;
13516           case GADGET_ID_FILLED_BOX:
13517             text = "Drawing filled box";
13518             break;
13519           case GADGET_ID_FLOOD_FILL:
13520             text = "Flood fill";
13521             break;
13522           case GADGET_ID_GRAB_BRUSH:
13523             text = "Grabbing brush";
13524             break;
13525           case GADGET_ID_PICK_ELEMENT:
13526             text = "Picking element";
13527             break;
13528
13529           default:
13530             text = "Drawing position";
13531             break;
13532         }
13533
13534         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13535           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13536         else
13537           sprintf(infotext, "%s: %d, %d", text,
13538                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13539       }
13540       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13541         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13542       else
13543         sprintf(infotext, "Level position: %d, %d", lx, ly);
13544     }
13545
13546     /* misuse this function to draw brush cursor, if needed */
13547     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13548     {
13549       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13550         CopyBrushToCursor(sx, sy);
13551       else
13552         DeleteBrushFromCursor();
13553     }
13554   }
13555   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13556   {
13557     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13558     int element = drawingarea_info[type_id].value[pos];
13559
13560     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13561   }
13562   else
13563   {
13564     if (id == GADGET_ID_CUSTOM_CONTENT)
13565       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13566     else if (id == GADGET_ID_GROUP_CONTENT)
13567       sprintf(infotext, "group element position: %d", sx + 1);
13568     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13569              id <= GADGET_ID_YAMYAM_CONTENT_7)
13570       sprintf(infotext, "content area %d position: %d, %d",
13571               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13572     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13573              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13574       sprintf(infotext, "content area %d position: %d, %d",
13575               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13576     else if (id == GADGET_ID_ANDROID_CONTENT)
13577       sprintf(infotext, "android element position: %d", sx + 1);
13578     else if (drawingarea_info[type_id].infotext != NULL)
13579       strcpy(infotext, drawingarea_info[type_id].infotext);
13580   }
13581
13582   infotext[max_infotext_len] = '\0';
13583
13584   if (strlen(infotext) > 0)
13585     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13586 }
13587
13588 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13589                             boolean quick_quit)
13590 {
13591   if (!ask_if_level_has_changed ||
13592       !LevelChanged() ||
13593       Request("Level has changed! Exit without saving?",
13594               REQ_ASK | REQ_STAY_OPEN))
13595   {
13596     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13597     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13598
13599     /* draw normal door */
13600     UndrawSpecialEditorDoor();
13601
13602     // close editor doors if viewport definition is the same as in main menu
13603     if (vp_door_1->x      == DX     &&
13604         vp_door_1->y      == DY     &&
13605         vp_door_1->width  == DXSIZE &&
13606         vp_door_1->height == DYSIZE &&
13607         vp_door_2->x      == VX     &&
13608         vp_door_2->y      == VY     &&
13609         vp_door_2->width  == VXSIZE &&
13610         vp_door_2->height == VYSIZE)
13611       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13612     else
13613       SetDoorState(DOOR_CLOSE_2);
13614
13615     BackToFront();
13616
13617     if (quick_quit)
13618       FadeSkipNextFadeIn();
13619
13620     SetGameStatus(GAME_MODE_MAIN);
13621
13622     DrawMainMenu();
13623   }
13624   else
13625   {
13626     if (!global.use_envelope_request)
13627     {
13628       CloseDoor(DOOR_CLOSE_1);
13629       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
13630     }
13631   }
13632 }