src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 /*
  29   -----------------------------------------------------------------------------
  30   screen and artwork graphic pixel position definitions
  31   -----------------------------------------------------------------------------
  32 */
  33
  34 /* values for the control window */
  35 #define ED_CTRL1_BUTTONS_HORIZ          4       /* toolbox */
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3       /* level */
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3       /* CE and GE */
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2       /* CE and GE */
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1       /* properties */
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45 #define ED_CTRL6_BUTTONS_HORIZ          3       /* properties */
  46 #define ED_CTRL6_BUTTONS_VERT           1
  47 #define ED_CTRL7_BUTTONS_HORIZ          1       /* palette */
  48 #define ED_CTRL7_BUTTONS_VERT           1
  49
  50 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  51 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  52 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  53 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  54 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  55 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  56 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  57 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  58 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  59 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  60 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  61 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  62 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  63 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  64
  65 /* values for the element list */
  66 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  67 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  68 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  69 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 /* standard distances */
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 /* values for drawingarea gadgets */
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 /* values for checkbutton gadgets */
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 /* values for element content drawing areas */
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 /* element content */
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 /* yamyam content */
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 /* magic ball content */
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 /* values for scrolling gadgets for drawing area */
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 /* values for scrolling gadgets for element list */
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 /*
 358   -----------------------------------------------------------------------------
 359   editor gadget definitions
 360   -----------------------------------------------------------------------------
 361 */
 362
 363 /* drawing toolbox buttons */
 364 #define GADGET_ID_NONE                  -1
 365 #define GADGET_ID_TOOLBOX_FIRST         0
 366
 367 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 368 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 369 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 370 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 371 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 372 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 373 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 374 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 375 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 376 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 377 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 378 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 379 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 380 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 381 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 382 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 383
 384 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 385 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 386 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 387 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 388 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 389 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 390
 391 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 392 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 393 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 394 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 395 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 396
 397 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 398 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 399 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 400 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 401 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 402
 403 /* counter gadget identifiers */
 404 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 405
 406 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 407 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 408 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 409 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 410 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 411 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 412 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 413 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 414 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 415 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 416 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 417 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 418 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 419 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 420 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 421 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 422 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 423 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 424 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 425 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 426 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 427 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 428 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 429 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 430 #define GADGET_ID_LEVELSET_NUM_LEVELS_DOWN (GADGET_ID_COUNTER_FIRST + 24)
 431 #define GADGET_ID_LEVELSET_NUM_LEVELS_TEXT (GADGET_ID_COUNTER_FIRST + 25)
 432 #define GADGET_ID_LEVELSET_NUM_LEVELS_UP   (GADGET_ID_COUNTER_FIRST + 26)
 433 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 434 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 435 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 29)
 436 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 437 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 438 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 32)
 439 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 440 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 441 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 35)
 442 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 443 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 444 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 38)
 445 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 446 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 447 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 41)
 448 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 42)
 449 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 43)
 450 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 44)
 451 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 45)
 452 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 46)
 453 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 47)
 454 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 455 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 456 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 457 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 458 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 459 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 460 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 461 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 462 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 56)
 463 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 57)
 464 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 58)
 465 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 59)
 466 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 60)
 467 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 61)
 468 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 62)
 469 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 470 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 471 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 65)
 472 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 66)
 473 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 67)
 474 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 68)
 475 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 476 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 477 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 71)
 478 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 479 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 480 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 74)
 481 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 482 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 483 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 77)
 484 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 485 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 486 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 80)
 487 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 488 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 489 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 83)
 490 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 84)
 491 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 85)
 492 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 86)
 493 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 87)
 494 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 88)
 495 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 89)
 496 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 90)
 497 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 91)
 498 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 92)
 499 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 500 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 501 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 95)
 502 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 96)
 503 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 97)
 504 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 98)
 505 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 99)
 506 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 100)
 507 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 101)
 508 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 102)
 509 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 103)
 510 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 104)
 511
 512 /* drawing area identifiers */
 513 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 105)
 514
 515 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 516 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 517 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 518 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 519 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 520 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 521 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 522 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 523 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 525 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 526 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 527 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 528 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 529 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 530 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 531 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 532 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 533 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 534 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 535 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 536 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 537 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 538 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 539 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 540 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 541 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 542 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 543 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 544 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 545 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 546 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 547 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 548
 549 /* text input identifiers */
 550 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 551
 552 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 553 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 554 #define GADGET_ID_LEVELSET_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 2)
 555 #define GADGET_ID_LEVELSET_AUTHOR       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 556 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 4)
 557
 558 /* text area identifiers */
 559 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 5)
 560
 561 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 562
 563 /* selectbox identifiers */
 564 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 565
 566 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 567 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 568 #define GADGET_ID_LEVELSET_SAVE_MODE    (GADGET_ID_SELECTBOX_FIRST + 2)
 569 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 3)
 570 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 4)
 571 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 5)
 572 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 6)
 573 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 7)
 574 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 8)
 575 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 9)
 576 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 10)
 577 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 11)
 578 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 12)
 579 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 13)
 580 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 14)
 581 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 15)
 582 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 16)
 583 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 17)
 584 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 18)
 585 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 19)
 586 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 20)
 587 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 21)
 588 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 22)
 589 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 23)
 590 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 24)
 591 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 25)
 592 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 26)
 593 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 27)
 594 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 28)
 595 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 29)
 596
 597 /* textbutton identifiers */
 598 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 30)
 599
 600 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 601 #define GADGET_ID_LEVELINFO_LEVELSET    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 602 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 2)
 603 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 604 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 605 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 606 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 607 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 7)
 608 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 609 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 9)
 610 #define GADGET_ID_SAVE_LEVELSET         (GADGET_ID_TEXTBUTTON_FIRST + 10)
 611 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 11)
 612 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 12)
 613
 614 /* graphicbutton identifiers */
 615 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 13)
 616
 617 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 618 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 619 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 620 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 621
 622 /* gadgets for scrolling of drawing area */
 623 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 624
 625 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 626 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 627 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 628 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 629 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 630 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 631
 632 /* gadgets for scrolling element list */
 633 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 634
 635 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 636 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 637 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 638
 639 /* checkbuttons/radiobuttons for level/element properties */
 640 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 641
 642 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 643 #define GADGET_ID_USE_LEVELSET_ARTWORK  (GADGET_ID_CHECKBUTTON_FIRST + 1)
 644 #define GADGET_ID_COPY_LEVEL_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 2)
 645 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 646 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 4)
 647 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 5)
 648 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 6)
 649 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 650 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 651 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 9)
 652 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 10)
 653 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 11)
 654 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 12)
 655 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 13)
 656 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 14)
 657 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 658 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 16)
 659 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 17)
 660 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 18)
 661 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 19)
 662 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 20)
 663 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 664 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 22)
 665 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 23)
 666 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 24)
 667 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 25)
 668 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 26)
 669 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 27)
 670 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 28)
 671 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 29)
 672 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 673 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 31)
 674 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 32)
 675 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 33)
 676 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 34)
 677 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 678 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 36)
 679 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 37)
 680 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 38)
 681 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 39)
 682 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 40)
 683 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 41)
 684 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 42)
 685 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 43)
 686 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 44)
 687 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 45)
 688 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 46)
 689 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 690 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 48)
 691 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 49)
 692 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 693 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 51)
 694 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 52)
 695 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 53)
 696 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 697 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 55)
 698 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 56)
 699 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 57)
 700 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 58)
 701 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 59)
 702 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 60)
 703 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 61)
 704 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 62)
 705 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 63)
 706 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 64)
 707 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 65)
 708
 709 /* gadgets for buttons in element list */
 710 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 66)
 711 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 712                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 713
 714 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 715
 716 /* radio button numbers */
 717 #define RADIO_NR_NONE                   0
 718 #define RADIO_NR_DRAWING_TOOLBOX        1
 719 #define RADIO_NR_RANDOM_ELEMENTS        2
 720
 721 /* values for counter gadgets */
 722 #define ED_COUNTER_ID_SELECT_LEVEL      0
 723 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 724 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 725 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 726 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 727 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 728 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 729 #define ED_COUNTER_ID_LEVELSET_NUM_LEVELS 7
 730 #define ED_COUNTER_ID_LEVEL_RANDOM      8
 731 #define ED_COUNTER_ID_ELEMENT_VALUE1    9
 732 #define ED_COUNTER_ID_ELEMENT_VALUE2    10
 733 #define ED_COUNTER_ID_ELEMENT_VALUE3    11
 734 #define ED_COUNTER_ID_ELEMENT_VALUE4    12
 735 #define ED_COUNTER_ID_YAMYAM_CONTENT    13
 736 #define ED_COUNTER_ID_BALL_CONTENT      14
 737 #define ED_COUNTER_ID_ANDROID_CONTENT   15
 738 #define ED_COUNTER_ID_ENVELOPE_XSIZE    16
 739 #define ED_COUNTER_ID_ENVELOPE_YSIZE    17
 740 #define ED_COUNTER_ID_INVENTORY_SIZE    18
 741 #define ED_COUNTER_ID_CUSTOM_SCORE      19
 742 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   20
 743 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  21
 744 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  22
 745 #define ED_COUNTER_ID_PUSH_DELAY_FIX    23
 746 #define ED_COUNTER_ID_PUSH_DELAY_RND    24
 747 #define ED_COUNTER_ID_DROP_DELAY_FIX    25
 748 #define ED_COUNTER_ID_DROP_DELAY_RND    26
 749 #define ED_COUNTER_ID_MOVE_DELAY_FIX    27
 750 #define ED_COUNTER_ID_MOVE_DELAY_RND    28
 751 #define ED_COUNTER_ID_EXPLOSION_DELAY   29
 752 #define ED_COUNTER_ID_IGNITION_DELAY    30
 753 #define ED_COUNTER_ID_GROUP_CONTENT     31
 754 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  32
 755 #define ED_COUNTER_ID_CHANGE_DELAY_RND  33
 756 #define ED_COUNTER_ID_CHANGE_CONT_RND   34
 757
 758 #define ED_NUM_COUNTERBUTTONS           35
 759
 760 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 761 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 762 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 763 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 764 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 765 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 766
 767 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 768 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 769 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 770 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 771 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 772 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 773
 774 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 775 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 776
 777 /* values for scrollbutton gadgets */
 778 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 779 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 780 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 781 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 782 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 783 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 784
 785 #define ED_NUM_SCROLLBUTTONS            6
 786
 787 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 788 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 789
 790 /* values for scrollbar gadgets */
 791 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 792 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 793 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 794
 795 #define ED_NUM_SCROLLBARS               3
 796
 797 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 798 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 799
 800 /* values for text input gadgets */
 801 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 802 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 803 #define ED_TEXTINPUT_ID_LEVELSET_NAME   2
 804 #define ED_TEXTINPUT_ID_LEVELSET_AUTHOR 3
 805 #define ED_TEXTINPUT_ID_ELEMENT_NAME    4
 806
 807 #define ED_NUM_TEXTINPUT                5
 808
 809 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 810 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 811
 812 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 813 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 814
 815 /* values for text area gadgets */
 816 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 817
 818 #define ED_NUM_TEXTAREAS                        1
 819
 820 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 821 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 822
 823 /* values for selectbox gadgets */
 824 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 825 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 826 #define ED_SELECTBOX_ID_LEVELSET_SAVE_MODE      2
 827 #define ED_SELECTBOX_ID_WIND_DIRECTION          3
 828 #define ED_SELECTBOX_ID_PLAYER_SPEED            4
 829 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      5
 830 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     6
 831 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 7
 832 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 8
 833 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   9
 834 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     10
 835 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   11
 836 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    12
 837 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  13
 838 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    14
 839 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    15
 840 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       16
 841 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   17
 842 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       18
 843 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    19
 844 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     20
 845 #define ED_SELECTBOX_ID_CHANGE_SIDE             21
 846 #define ED_SELECTBOX_ID_CHANGE_PLAYER           22
 847 #define ED_SELECTBOX_ID_CHANGE_PAGE             23
 848 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     24
 849 #define ED_SELECTBOX_ID_ACTION_TYPE             25
 850 #define ED_SELECTBOX_ID_ACTION_MODE             26
 851 #define ED_SELECTBOX_ID_ACTION_ARG              27
 852 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      28
 853 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       29
 854
 855 #define ED_NUM_SELECTBOX                        30
 856
 857 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 858 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 859
 860 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 861 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 862
 863 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 864 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 865 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 866 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 867 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 868 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 869
 870 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 871 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 872
 873 /* values for textbutton gadgets */
 874 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 875 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET     1
 876 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       2
 877 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        3
 878 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      4
 879 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    5
 880 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    6
 881 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      7
 882 #define ED_TEXTBUTTON_ID_SAVE_LEVELSET          8
 883 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     9
 884 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     10
 885 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        11
 886 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        12
 887
 888 #define ED_NUM_TEXTBUTTONS                      13
 889
 890 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 891 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 892
 893 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 894 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 895
 896 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 897 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 898
 899 /* values for graphicbutton gadgets */
 900 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 901 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 902 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 903 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 904
 905 #define ED_NUM_GRAPHICBUTTONS                   4
 906
 907 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 908 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 909
 910 /* values for checkbutton gadgets */
 911 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 912 #define ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK  1
 913 #define ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE   2
 914 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     3
 915 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 4
 916 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 5
 917 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         6
 918 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      7
 919 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   8
 920 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        9
 921 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      10
 922 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   11
 923 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    12
 924 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    13
 925 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     14
 926 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   15
 927 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      16
 928 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      17
 929 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   18
 930 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    19
 931 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    20
 932 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       21
 933 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     22
 934 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   23
 935 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 24
 936 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       25
 937 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 26
 938 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  27
 939 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    28
 940 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    29
 941 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     30
 942 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     31
 943 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     32
 944 #define ED_CHECKBUTTON_ID_MM_LASER_RED          33
 945 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        34
 946 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         35
 947 #define ED_CHECKBUTTON_ID_DF_LASER_RED          36
 948 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        37
 949 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         38
 950 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    39
 951 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 40
 952 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     41
 953 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 42
 954 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 43
 955 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 44
 956 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 45
 957 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       46
 958 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       47
 959 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      48
 960 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       49
 961 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         50
 962 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    51
 963 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   52
 964 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  53
 965 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 54
 966 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     55
 967 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          56
 968 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  57
 969 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   58
 970 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  59
 971 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    60
 972 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  61
 973 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     62
 974 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     63
 975
 976 #define ED_NUM_CHECKBUTTONS                     64
 977
 978 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 979 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 980
 981 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
 982 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
 983
 984 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 985 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 986
 987 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 988 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 989 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 990 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 991 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 992 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 993
 994 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 995 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 996
 997 /* values for radiobutton gadgets */
 998 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 999 #define ED_RADIOBUTTON_ID_QUANTITY      1
1000
1001 #define ED_NUM_RADIOBUTTONS             2
1002
1003 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1004 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1005
1006 /* values for drawing area gadgets */
1007 #define ED_DRAWING_ID_DRAWING_LEVEL             0
1008 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
1009 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
1010 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
1011 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
1012 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
1013 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
1014 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
1015 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
1016 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
1017 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
1018 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
1019 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
1020 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
1021 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
1022 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
1023 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
1024 #define ED_DRAWING_ID_ANDROID_CONTENT           17
1025 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
1026 #define ED_DRAWING_ID_START_ELEMENT             19
1027 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
1028 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
1029 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
1030 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
1031 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
1032 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1033 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1034 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1035 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1036 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1037 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1038 #define ED_DRAWING_ID_GROUP_CONTENT             31
1039 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1040
1041 #define ED_NUM_DRAWING_AREAS                    33
1042
1043 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1044 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1045
1046
1047 /*
1048   -----------------------------------------------------------------------------
1049   some internally used definitions
1050   -----------------------------------------------------------------------------
1051 */
1052
1053 /* values for CopyLevelToUndoBuffer() */
1054 #define UNDO_IMMEDIATE                  0
1055 #define UNDO_ACCUMULATE                 1
1056
1057 /* values for scrollbars */
1058 #define ED_SCROLL_NO                    0
1059 #define ED_SCROLL_LEFT                  1
1060 #define ED_SCROLL_RIGHT                 2
1061 #define ED_SCROLL_UP                    4
1062 #define ED_SCROLL_DOWN                  8
1063
1064 /* screens in the level editor */
1065 #define ED_MODE_DRAWING                 0
1066 #define ED_MODE_INFO                    1
1067 #define ED_MODE_PROPERTIES              2
1068 #define ED_MODE_PALETTE                 3
1069
1070 /* sub-screens in the global settings section */
1071 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1072 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1073 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1074
1075 /* sub-screens in the element properties section */
1076 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1077 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1078 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1079 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1080 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1081
1082 /* how many steps can be cancelled */
1083 #define NUM_UNDO_STEPS                  (64 + 1)
1084
1085 /* values for elements with score for certain actions */
1086 #define MIN_SCORE                       0
1087 #define MAX_SCORE                       999
1088
1089 /* values for elements with count for collecting */
1090 #define MIN_COLLECT_COUNT               0
1091 #define MAX_COLLECT_COUNT               999
1092
1093 /* values for random placement */
1094 #define RANDOM_USE_PERCENTAGE           0
1095 #define RANDOM_USE_QUANTITY             1
1096
1097 /* values for level set save mode */
1098 #define LEVELSET_SAVE_MODE_UPDATE       0
1099 #define LEVELSET_SAVE_MODE_CREATE       1
1100
1101 /* default value for element tile size in drawing area */
1102 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1103 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1104
1105
1106 /*
1107   -----------------------------------------------------------------------------
1108   some internally used data structure definitions
1109   -----------------------------------------------------------------------------
1110 */
1111
1112 static struct
1113 {
1114   int graphic;
1115   int gadget_id;
1116   struct XYTileSize *pos;
1117   int gadget_type;
1118   char *infotext;
1119   char shortcut;
1120 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1121 {
1122   /* note: some additional characters are already reserved for "cheat mode"
1123      shortcuts (":XYZ" style) -- for details, see "events.c" */
1124
1125   /* ---------- toolbox control buttons ------------------------------------ */
1126
1127   {
1128     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1129     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1130     "draw single items",                        's'
1131   },
1132   {
1133     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1134     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1135     "draw connected items",                     'd'
1136   },
1137   {
1138     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1139     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1140     "draw lines",                               'l'
1141   },
1142   {
1143     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1144     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1145     "draw arcs",                                'a'
1146   },
1147   {
1148     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1149     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1150     "draw outline rectangles",                  'r'
1151   },
1152   {
1153     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1154     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1155     "draw filled rectangles",                   'R'
1156   },
1157   {
1158     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1159     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1160     "wrap (rotate) level up",                   0
1161   },
1162   {
1163     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1164     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1165     "enter text elements",                      't'
1166   },
1167   {
1168     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1169     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1170     "flood fill",                               'f'
1171   },
1172   {
1173     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1174     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1175     "wrap (rotate) level left",                 0
1176   },
1177   {
1178     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1179     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1180     "zoom level tile size",                     '+'
1181   },
1182   {
1183     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1184     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1185     "wrap (rotate) level right",                0
1186   },
1187   {
1188     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1189     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1190     "random element placement",                 0
1191   },
1192   {
1193     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1194     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1195     "grab brush",                               'b'
1196   },
1197   {
1198     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1199     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1200     "wrap (rotate) level down",                 0
1201   },
1202   {
1203     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1204     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1205     "pick drawing element",                     ','
1206   },
1207
1208   /* ---------- level control buttons -------------------------------------- */
1209
1210   {
1211     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1212     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1213     "undo/redo last operation",                 'u'
1214   },
1215   {
1216     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1217     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1218     "properties of level",                      'I'
1219   },
1220   {
1221     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1222     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1223     "save level",                               'S'
1224   },
1225   {
1226     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1227     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1228     "clear level",                              'C'
1229   },
1230   {
1231     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1232     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1233     "test level",                               'T'
1234   },
1235   {
1236     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1237     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1238     "exit level editor",                        'E'
1239   },
1240
1241   /* ---------- CE and GE control buttons ---------------------------------- */
1242
1243   {
1244     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1245     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1246     "copy settings from other element",         0
1247   },
1248   {
1249     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1250     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1251     "copy settings to other element",           0
1252   },
1253   {
1254     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1255     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1256     "exchange element with other element",      0
1257   },
1258   {
1259     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1260     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1261     "copy settings from this element",          0
1262   },
1263   {
1264     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1265     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1266     "paste settings to this element",           0
1267   },
1268
1269   /* ---------- palette control buttons ------------------------------------ */
1270
1271   {
1272     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1273     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1274     "properties of drawing element",            'p'
1275   },
1276   {
1277     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1278     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1279     "properties of drawing element 1",          '1'
1280   },
1281   {
1282     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1283     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1284     "properties of drawing element 2",          '2'
1285   },
1286   {
1287     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1288     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1289     "properties of drawing element 3",          '3'
1290   },
1291   {
1292     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1293     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1294     "show list of elements",                    'e'
1295   }
1296 };
1297
1298 static int random_placement_value = 10;
1299 static int random_placement_method = RANDOM_USE_QUANTITY;
1300 static int random_placement_background_element = EL_SAND;
1301 static boolean random_placement_background_restricted = FALSE;
1302 static boolean stick_element_properties_window = FALSE;
1303 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1304 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1305 static struct ElementChangeInfo custom_element_change;
1306 static struct ElementGroupInfo group_element_info;
1307 static struct ElementInfo custom_element;
1308
1309 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1310 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1311 static int levelset_num_levels = 100;
1312 static boolean levelset_use_levelset_artwork = FALSE;
1313 static boolean levelset_copy_level_template = FALSE;
1314 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1315
1316 static struct
1317 {
1318   int x, y;
1319   int min_value, max_value;
1320   int gadget_id_down, gadget_id_up;
1321   int gadget_id_text;
1322   int gadget_id_align;
1323   int *value;
1324   char *text_above, *text_left, *text_right;
1325 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1326 {
1327   /* ---------- current level number --------------------------------------- */
1328
1329   {
1330     -1, -1,     /* these values are not constant, but can change at runtime */
1331     1,                                  100,
1332     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1333     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1334     &level_nr,
1335     NULL,                               NULL, NULL
1336   },
1337
1338   /* ---------- level and editor settings ---------------------------------- */
1339
1340   {
1341     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1342     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1343     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1344     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1345     &level.fieldx,
1346     "playfield size:",                  NULL, "width",
1347   },
1348   {
1349     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1350     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1351     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1352     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1353     &level.fieldy,
1354     NULL,                               " ", "height",
1355   },
1356   {
1357     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1358     0,                                  999,
1359     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1360     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1361     &level.gems_needed,
1362     NULL,                               "number of gems to collect:", NULL
1363   },
1364   {
1365     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1366     0,                                  9999,
1367     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1368     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1369     &level.time,
1370     "time or step limit to solve level:", NULL, NULL
1371   },
1372   {
1373     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1374     0,                                  999,
1375     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1376     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1377     &level.score[SC_TIME_BONUS],
1378     "score for each second/step left:", NULL, NULL
1379   },
1380   {
1381     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1382     0,                                  9999,
1383     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1384     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1385     &level.random_seed,
1386     NULL,                               "random seed:", "(0 => random)"
1387   },
1388   {
1389     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1390     1,                                  MAX_LEVELS,
1391     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1392     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1393     &levelset_num_levels,
1394     "number of levels:",                NULL, NULL,
1395   },
1396   {
1397     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1398     1,                                  100,
1399     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1400     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1401     &random_placement_value,
1402     "random element placement:",        NULL, "in"
1403   },
1404
1405   /* ---------- element settings: configure (various elements) ------------- */
1406
1407   {
1408     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1409     MIN_SCORE,                          MAX_SCORE,
1410     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1411     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1412     NULL,                               /* will be set when used */
1413     NULL,                               NULL, NULL
1414   },
1415   {
1416     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1417     MIN_SCORE,                          MAX_SCORE,
1418     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1419     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1420     NULL,                               /* will be set when used */
1421     NULL,                               NULL, NULL
1422   },
1423   {
1424     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1425     MIN_SCORE,                          MAX_SCORE,
1426     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1427     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1428     NULL,                               /* will be set when used */
1429     NULL,                               NULL, NULL
1430   },
1431   {
1432     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1433     MIN_SCORE,                          MAX_SCORE,
1434     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1435     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1436     NULL,                               /* will be set when used */
1437     NULL,                               NULL, NULL
1438   },
1439   {
1440     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1441     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1442     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1443     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1444     &level.num_yamyam_contents,
1445     NULL,                               NULL, "number of content areas"
1446   },
1447   {
1448     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1449     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1450     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1451     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1452     &level.num_ball_contents,
1453     NULL,                               NULL, "number of content areas"
1454   },
1455   {
1456     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1457     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1458     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1459     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1460     &level.num_android_clone_elements,
1461     NULL,                               NULL, "number of clonable elements"
1462   },
1463   {
1464     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1465     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1466     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1467     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1468     NULL,                               /* will be set when used */
1469     NULL,                               NULL, "width",
1470   },
1471   {
1472     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1473     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1474     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1475     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1476     NULL,                               /* will be set when used */
1477     NULL,                               " ", "height",
1478   },
1479   {
1480     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1481     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1482     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1483     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1484     &level.initial_inventory_size[0],
1485     NULL,                               NULL, "number of inventory elements"
1486   },
1487
1488   /* ---------- element settings: configure 1 (custom elements) ------------ */
1489
1490   {
1491     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1492     MIN_SCORE,                          MAX_SCORE,
1493     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1494     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1495     &custom_element.collect_score_initial,
1496     NULL,                               "CE score", " "
1497   },
1498   {
1499     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1500     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1501     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1502     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1503     &custom_element.collect_count_initial,
1504     NULL,                               "CE count", NULL
1505   },
1506   {
1507     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1508     0,                                  9999,
1509     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1510     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1511     &custom_element.ce_value_fixed_initial,
1512     NULL,                               "CE value", NULL
1513   },
1514   {
1515     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1516     0,                                  9999,
1517     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1518     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1519     &custom_element.ce_value_random_initial,
1520     NULL,                               "+random", NULL
1521   },
1522   {
1523     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1524     0,                                  999,
1525     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1526     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1527     &custom_element.push_delay_fixed,
1528     NULL,                               "push delay", NULL
1529   },
1530   {
1531     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1532     0,                                  999,
1533     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1534     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1535     &custom_element.push_delay_random,
1536     NULL,                               "+random", NULL
1537   },
1538   {
1539     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1540     0,                                  999,
1541     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1542     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1543     &custom_element.drop_delay_fixed,
1544     NULL,                               "drop delay", NULL
1545   },
1546   {
1547     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1548     0,                                  999,
1549     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1550     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1551     &custom_element.drop_delay_random,
1552     NULL,                               "+random", NULL
1553   },
1554
1555   /* ---------- element settings: configure 2 (custom elements) ------------ */
1556
1557   {
1558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1559     0,                                  999,
1560     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1561     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1562     &custom_element.move_delay_fixed,
1563     NULL,                               "move delay", NULL
1564   },
1565   {
1566     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1567     0,                                  999,
1568     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1569     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1570     &custom_element.move_delay_random,
1571     NULL,                               "+random", NULL
1572   },
1573   {
1574     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1575     0,                                  999,
1576     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1577     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1578     &custom_element.explosion_delay,
1579     NULL,                               "explosion delay", NULL
1580   },
1581   {
1582     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1583     0,                                  999,
1584     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1585     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1586     &custom_element.ignition_delay,
1587     NULL,                               "ignition delay", "(by fire)"
1588   },
1589
1590   /* ---------- element settings: configure (group elements) --------------- */
1591
1592   {
1593     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1594     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1595     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1596     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1597     &group_element_info.num_elements,
1598     NULL,                               NULL, "number of elements in group"
1599   },
1600
1601   /* ---------- element settings: advanced (custom elements) --------------- */
1602
1603   {
1604     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1605     0,                                  999,
1606     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1607     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1608     &custom_element_change.delay_fixed,
1609     NULL,                               "CE delay", NULL,
1610   },
1611   {
1612     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1613     0,                                  999,
1614     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1615     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1616     &custom_element_change.delay_random,
1617     NULL,                               "+random", NULL
1618   },
1619   {
1620     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1621     0,                                  100,
1622     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1623     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1624     &custom_element_change.random_percentage,
1625     NULL,                               "use random replace:", "%"
1626   },
1627 };
1628
1629 static struct
1630 {
1631   int x, y;
1632   int gadget_id;
1633   int size;
1634   char *value;
1635   char *text_above, *infotext;
1636 } textinput_info[ED_NUM_TEXTINPUT] =
1637 {
1638   {
1639     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1640     GADGET_ID_LEVEL_NAME,
1641     MAX_LEVEL_NAME_LEN,
1642     level.name,
1643     "Title:", "Title for this level"
1644   },
1645   {
1646     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1647     GADGET_ID_LEVEL_AUTHOR,
1648     MAX_LEVEL_AUTHOR_LEN,
1649     level.author,
1650     "Author:", "Author for this level"
1651   },
1652   {
1653     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1654     GADGET_ID_LEVELSET_NAME,
1655     MAX_LEVEL_NAME_LEN,
1656     levelset_name,
1657     "Title:", "Title for this or new level set"
1658   },
1659   {
1660     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1661     GADGET_ID_LEVELSET_AUTHOR,
1662     MAX_LEVEL_AUTHOR_LEN,
1663     levelset_author,
1664     "Author:", "Author for this or new level set"
1665   },
1666   {
1667     -1, -1,     /* these values are not constant, but can change at runtime */
1668     GADGET_ID_ELEMENT_NAME,
1669     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1670     custom_element.description,
1671     NULL, "Element name"
1672   }
1673 };
1674
1675 static struct
1676 {
1677   int x, y;
1678   int gadget_id;
1679   int xsize, ysize;
1680   char *value;
1681   char *text_above, *infotext;
1682 } textarea_info[ED_NUM_TEXTAREAS] =
1683 {
1684   {
1685     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1686     GADGET_ID_ENVELOPE_INFO,
1687     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1688     NULL,
1689     "Envelope Content:", "Envelope Content"
1690   }
1691 };
1692
1693 static struct ValueTextInfo options_time_or_steps[] =
1694 {
1695   { 0,                          "seconds"                       },
1696   { 1,                          "steps"                         },
1697
1698   { -1,                         NULL                            }
1699 };
1700
1701 static struct ValueTextInfo options_game_engine_type[] =
1702 {
1703   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1704   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1705   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1706   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1707
1708   { -1,                         NULL                            }
1709 };
1710
1711 static struct ValueTextInfo options_levelset_save_mode[] =
1712 {
1713   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1714   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1715
1716   { -1,                         NULL                            }
1717 };
1718
1719 static struct ValueTextInfo options_wind_direction[] =
1720 {
1721   { MV_START_NONE,              "none"                          },
1722   { MV_START_LEFT,              "left"                          },
1723   { MV_START_RIGHT,             "right"                         },
1724   { MV_START_UP,                "up"                            },
1725   { MV_START_DOWN,              "down"                          },
1726
1727   { -1,                         NULL                            }
1728 };
1729
1730 static struct ValueTextInfo options_player_speed[] =
1731 {
1732   { 0,                          "frozen"                        },
1733   { 1,                          "very slow"                     },
1734   { 2,                          "slow"                          },
1735   { 4,                          "normal"                        },
1736   { 8,                          "fast"                          },
1737   { 16,                         "very fast"                     },
1738   { 32,                         "ultrafast"                     },
1739
1740   { -1,                         NULL                            }
1741 };
1742
1743 static struct ValueTextInfo options_access_type[] =
1744 {
1745   { EP_WALKABLE,                "walkable"                      },
1746   { EP_PASSABLE,                "passable"                      },
1747
1748   { -1,                         NULL                            }
1749 };
1750
1751 static struct ValueTextInfo options_access_layer[] =
1752 {
1753   { EP_ACCESSIBLE_OVER,         "over"                          },
1754   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1755   { EP_ACCESSIBLE_UNDER,        "under"                         },
1756
1757   { -1,                         NULL                            }
1758 };
1759
1760 static struct ValueTextInfo options_access_protected[] =
1761 {
1762   { 0,                          "unprotected"                   },
1763   { 1,                          "protected"                     },
1764
1765   { -1,                         NULL                            }
1766 };
1767
1768 static struct ValueTextInfo options_access_direction[] =
1769 {
1770   { MV_NO_DIRECTION,            "no direction"                  },
1771   { MV_LEFT,                    "left"                          },
1772   { MV_RIGHT,                   "right"                         },
1773   { MV_UP,                      "up"                            },
1774   { MV_DOWN,                    "down"                          },
1775   { MV_LEFT  | MV_UP,           "left + up"                     },
1776   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1777   { MV_RIGHT | MV_UP,           "right + up"                    },
1778   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1779   { MV_HORIZONTAL,              "horizontal"                    },
1780   { MV_VERTICAL,                "vertical"                      },
1781   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1782   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1783   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1784   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1785   { MV_ALL_DIRECTIONS,          "all directions"                },
1786
1787   { -1,                         NULL                            }
1788 };
1789
1790 static struct ValueTextInfo options_walk_to_action[] =
1791 {
1792   { EP_DIGGABLE,                "diggable"                      },
1793   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1794   { EP_DROPPABLE,               "collectible & droppable"       },
1795   { EP_THROWABLE,               "collectible & throwable"       },
1796   { EP_PUSHABLE,                "pushable"                      },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_move_pattern[] =
1802 {
1803   { MV_LEFT,                    "left"                          },
1804   { MV_RIGHT,                   "right"                         },
1805   { MV_UP,                      "up"                            },
1806   { MV_DOWN,                    "down"                          },
1807   { MV_HORIZONTAL,              "horizontal"                    },
1808   { MV_VERTICAL,                "vertical"                      },
1809   { MV_ALL_DIRECTIONS,          "all directions"                },
1810   { MV_WIND_DIRECTION,          "wind direction"                },
1811   { MV_TOWARDS_PLAYER,          "towards player"                },
1812   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1813   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1814   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1815   { MV_TURNING_LEFT,            "turning left"                  },
1816   { MV_TURNING_RIGHT,           "turning right"                 },
1817   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1818   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1819   { MV_TURNING_RANDOM,          "turning random"                },
1820   { MV_MAZE_RUNNER,             "maze runner style"             },
1821   { MV_MAZE_HUNTER,             "maze hunter style"             },
1822   { MV_WHEN_PUSHED,             "when pushed"                   },
1823   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1824
1825   { -1,                         NULL                            }
1826 };
1827
1828 static struct ValueTextInfo options_move_direction[] =
1829 {
1830   { MV_START_AUTOMATIC,         "automatic"                     },
1831   { MV_START_LEFT,              "left"                          },
1832   { MV_START_RIGHT,             "right"                         },
1833   { MV_START_UP,                "up"                            },
1834   { MV_START_DOWN,              "down"                          },
1835   { MV_START_RANDOM,            "random"                        },
1836   { MV_START_PREVIOUS,          "previous"                      },
1837
1838   { -1,                         NULL                            }
1839 };
1840
1841 static struct ValueTextInfo options_move_stepsize[] =
1842 {
1843   { 0,                          "not moving"                    },
1844   { 1,                          "very slow"                     },
1845   { 2,                          "slow"                          },
1846   { 4,                          "normal"                        },
1847   { 8,                          "fast"                          },
1848   { 16,                         "very fast"                     },
1849   { 32,                         "even faster"                   },
1850
1851   { -1,                         NULL                            }
1852 };
1853
1854 static struct ValueTextInfo options_move_leave_type[] =
1855 {
1856   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1857   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1858
1859   { -1,                         NULL                            }
1860 };
1861
1862 static struct ValueTextInfo options_smash_targets[] =
1863 {
1864   { EP_CAN_SMASH_PLAYER,        "player"                        },
1865 #if 0
1866   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1867 #endif
1868   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1869
1870   { -1,                         NULL                            }
1871 };
1872
1873 static struct ValueTextInfo options_slippery_type[] =
1874 {
1875   { SLIPPERY_ANY_RANDOM,        "random"                        },
1876   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1877   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1878   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1879   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1880
1881   { -1,                         NULL                            }
1882 };
1883
1884 static struct ValueTextInfo options_deadliness[] =
1885 {
1886   { EP_DONT_RUN_INTO,           "running into"                  },
1887   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1888   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1889   { EP_DONT_TOUCH,              "touching"                      },
1890
1891   { -1,                         NULL                            }
1892 };
1893
1894 static struct ValueTextInfo options_explosion_type[] =
1895 {
1896   { EXPLODES_3X3,               "3x3"                           },
1897   { EXPLODES_CROSS,             "3+3"                           },
1898   { EXPLODES_1X1,               "1x1"                           },
1899
1900   { -1,                         NULL                            }
1901 };
1902
1903 static struct ValueTextInfo options_time_units[] =
1904 {
1905   { 1,                          "frames"                        },
1906   { FRAMES_PER_SECOND,          "seconds"                       },
1907
1908   { -1,                         NULL                            }
1909 };
1910
1911 static struct ValueTextInfo options_change_direct_action[] =
1912 {
1913   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1914   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1915   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1916   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1917   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1918   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1919   { CE_LEFT_BY_PLAYER,          "left by player"                },
1920   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1921   { CE_SWITCHED,                "switched"                      },
1922   { CE_HITTING_SOMETHING,       "hitting something"             },
1923   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1924 #if 0
1925   { CE_BLOCKED,                 "blocked"                       },
1926 #endif
1927   { CE_IMPACT,                  "impact (on something)"         },
1928   { CE_SMASHED,                 "smashed (from above)"          },
1929 #if 0
1930   { CE_VALUE_CHANGES,           "CE value changes"              },
1931   { CE_SCORE_CHANGES,           "CE score changes"              },
1932 #endif
1933   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1934   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1935
1936   { -1,                         NULL                            }
1937 };
1938
1939 static struct ValueTextInfo options_change_other_action[] =
1940 {
1941   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1942   { CE_PLAYER_PRESSES_X,        "player presses"                },
1943   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1944   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1945   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1946   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1947   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1948   { CE_PLAYER_DIGS_X,           "player digs"                   },
1949   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1950   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1951   { CE_TOUCHING_X,              "touching"                      },
1952   { CE_HITTING_X,               "hitting"                       },
1953   { CE_DIGGING_X,               "digging"                       },
1954   { CE_HIT_BY_X,                "hit by"                        },
1955   { CE_SWITCH_OF_X,             "switch of"                     },
1956   { CE_CHANGE_OF_X,             "change by page of"             },
1957   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1958   { CE_MOVE_OF_X,               "move of"                       },
1959   { CE_CREATION_OF_X,           "creation of"                   },
1960   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1961   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1962   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1963   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1964
1965   { -1,                         NULL                            }
1966 };
1967
1968 static struct ValueTextInfo options_change_trigger_side[] =
1969 {
1970   { CH_SIDE_LEFT,               "left"                          },
1971   { CH_SIDE_RIGHT,              "right"                         },
1972   { CH_SIDE_TOP,                "top"                           },
1973   { CH_SIDE_BOTTOM,             "bottom"                        },
1974   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1975   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1976   { CH_SIDE_ANY,                "any"                           },
1977
1978   { -1,                         NULL                            }
1979 };
1980
1981 static struct ValueTextInfo options_change_trigger_player[] =
1982 {
1983   { CH_PLAYER_1,                "1"                             },
1984   { CH_PLAYER_2,                "2"                             },
1985   { CH_PLAYER_3,                "3"                             },
1986   { CH_PLAYER_4,                "4"                             },
1987   { CH_PLAYER_ANY,              "any"                           },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_change_trigger_page[] =
1993 {
1994   { (1 << 0),                   "1"                             },
1995   { (1 << 1),                   "2"                             },
1996   { (1 << 2),                   "3"                             },
1997   { (1 << 3),                   "4"                             },
1998   { (1 << 4),                   "5"                             },
1999   { (1 << 5),                   "6"                             },
2000   { (1 << 6),                   "7"                             },
2001   { (1 << 7),                   "8"                             },
2002   { (1 << 8),                   "9"                             },
2003   { (1 << 9),                   "10"                            },
2004   { (1 << 10),                  "11"                            },
2005   { (1 << 11),                  "12"                            },
2006   { (1 << 12),                  "13"                            },
2007   { (1 << 13),                  "14"                            },
2008   { (1 << 14),                  "15"                            },
2009   { (1 << 15),                  "16"                            },
2010   { (1 << 16),                  "17"                            },
2011   { (1 << 17),                  "18"                            },
2012   { (1 << 18),                  "19"                            },
2013   { (1 << 19),                  "20"                            },
2014   { (1 << 20),                  "21"                            },
2015   { (1 << 21),                  "22"                            },
2016   { (1 << 22),                  "23"                            },
2017   { (1 << 23),                  "24"                            },
2018   { (1 << 24),                  "25"                            },
2019   { (1 << 25),                  "26"                            },
2020   { (1 << 26),                  "27"                            },
2021   { (1 << 27),                  "28"                            },
2022   { (1 << 28),                  "29"                            },
2023   { (1 << 29),                  "30"                            },
2024   { (1 << 30),                  "31"                            },
2025   { (1 << 31),                  "32"                            },
2026   { CH_PAGE_ANY,                "any"                           },
2027
2028   { -1,                         NULL                            }
2029 };
2030
2031 static struct ValueTextInfo options_change_replace_when[] =
2032 {
2033   { CP_WHEN_EMPTY,              "empty"                         },
2034   { CP_WHEN_WALKABLE,           "walkable"                      },
2035   { CP_WHEN_DIGGABLE,           "diggable"                      },
2036   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2037   { CP_WHEN_REMOVABLE,          "removable"                     },
2038   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_action_type[] =
2044 {
2045   { CA_NO_ACTION,               "no action"                     },
2046   { CA_UNDEFINED,               " "                             },
2047   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2048   { CA_RESTART_LEVEL,           "restart level"                 },
2049   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2050   { CA_SET_LEVEL_TIME,          "set time"                      },
2051   { CA_SET_LEVEL_SCORE,         "set score"                     },
2052   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2053   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2054   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2055   { CA_UNDEFINED,               " "                             },
2056   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2057   { CA_MOVE_PLAYER,             "move player"                   },
2058   { CA_EXIT_PLAYER,             "exit player"                   },
2059   { CA_KILL_PLAYER,             "kill player"                   },
2060   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2061   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2062   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2063   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2064   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2065   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2066   { CA_UNDEFINED,               " "                             },
2067   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2068   { CA_SET_CE_VALUE,            "set CE value"                  },
2069   { CA_SET_CE_SCORE,            "set CE score"                  },
2070   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2071   { CA_UNDEFINED,               " "                             },
2072   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2073   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2074
2075   { -1,                         NULL                            }
2076 };
2077
2078 static struct ValueTextInfo options_action_mode_none[] =
2079 {
2080   { CA_MODE_UNDEFINED,          " "                             },
2081
2082   { -1,                         NULL                            }
2083 };
2084
2085 static struct ValueTextInfo options_action_mode_assign[] =
2086 {
2087   { CA_MODE_SET,                "="                             },
2088
2089   { -1,                         NULL                            }
2090 };
2091
2092 static struct ValueTextInfo options_action_mode_add_remove[] =
2093 {
2094   { CA_MODE_ADD,                "+"                             },
2095   { CA_MODE_SUBTRACT,           "-"                             },
2096
2097   { -1,                         NULL                            }
2098 };
2099
2100 static struct ValueTextInfo options_action_mode_calculate[] =
2101 {
2102   { CA_MODE_SET,                "="                             },
2103   { CA_MODE_ADD,                "+"                             },
2104   { CA_MODE_SUBTRACT,           "-"                             },
2105   { CA_MODE_MULTIPLY,           "*"                             },
2106   { CA_MODE_DIVIDE,             "/"                             },
2107   { CA_MODE_MODULO,             "%"                             },
2108
2109   { -1,                         NULL                            }
2110 };
2111
2112 static struct ValueTextInfo options_action_arg_none[] =
2113 {
2114   { CA_ARG_UNDEFINED,           "         "                     },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_action_arg_player[] =
2120 {
2121   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2122   { CA_ARG_PLAYER_1,            "1"                             },
2123   { CA_ARG_PLAYER_2,            "2"                             },
2124   { CA_ARG_PLAYER_3,            "3"                             },
2125   { CA_ARG_PLAYER_4,            "4"                             },
2126   { CA_ARG_PLAYER_ANY,          "any"                           },
2127   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2128   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2129
2130   { -1,                         NULL                            }
2131 };
2132
2133 static struct ValueTextInfo options_action_arg_number[] =
2134 {
2135   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2136   { CA_ARG_0,                   "0"                             },
2137   { CA_ARG_1,                   "1"                             },
2138   { CA_ARG_2,                   "2"                             },
2139   { CA_ARG_3,                   "3"                             },
2140   { CA_ARG_4,                   "4"                             },
2141   { CA_ARG_5,                   "5"                             },
2142   { CA_ARG_10,                  "10"                            },
2143   { CA_ARG_100,                 "100"                           },
2144   { CA_ARG_1000,                "1000"                          },
2145   { CA_ARG_UNDEFINED,           " "                             },
2146   { CA_ARG_NUMBER_MIN,          "min"                           },
2147   { CA_ARG_NUMBER_MAX,          "max"                           },
2148   { CA_ARG_UNDEFINED,           " "                             },
2149   { CA_ARG_NUMBER_RESET,        "reset"                         },
2150   { CA_ARG_UNDEFINED,           " "                             },
2151   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2152   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2153   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2154   { CA_ARG_UNDEFINED,           " "                             },
2155   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2156   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2157   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2158   { CA_ARG_UNDEFINED,           " "                             },
2159   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2160   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2161   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2162   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2163   { CA_ARG_UNDEFINED,           " "                             },
2164   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2165   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2166   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2167   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2168
2169   { -1,                         NULL                            }
2170 };
2171
2172 static struct ValueTextInfo options_action_arg_value[] =
2173 {
2174   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2175   { CA_ARG_0,                   "0"                             },
2176   { CA_ARG_1,                   "1"                             },
2177   { CA_ARG_2,                   "2"                             },
2178   { CA_ARG_3,                   "3"                             },
2179   { CA_ARG_4,                   "4"                             },
2180   { CA_ARG_5,                   "5"                             },
2181   { CA_ARG_10,                  "10"                            },
2182   { CA_ARG_100,                 "100"                           },
2183   { CA_ARG_1000,                "1000"                          },
2184   { CA_ARG_UNDEFINED,           " "                             },
2185   { CA_ARG_NUMBER_MIN,          "min"                           },
2186   { CA_ARG_NUMBER_MAX,          "max"                           },
2187   { CA_ARG_UNDEFINED,           " "                             },
2188   { CA_ARG_NUMBER_RESET,        "reset"                         },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2191   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2192   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2193   { CA_ARG_UNDEFINED,           " "                             },
2194   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2195   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2196   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2197   { CA_ARG_UNDEFINED,           " "                             },
2198   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2199   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2200   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2201   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2202   { CA_ARG_UNDEFINED,           " "                             },
2203   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2204   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2205   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2206   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2207   { CA_ARG_UNDEFINED,           " "                             },
2208   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2209   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2210   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2211   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2212
2213   { -1,                         NULL                            }
2214 };
2215
2216 static struct ValueTextInfo options_action_arg_envelope[] =
2217 {
2218   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2219   { CA_ARG_1,                   "1"                             },
2220   { CA_ARG_2,                   "2"                             },
2221   { CA_ARG_3,                   "3"                             },
2222   { CA_ARG_4,                   "4"                             },
2223   { CA_ARG_UNDEFINED,           " "                             },
2224   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2225   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2226   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2227   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2228
2229   { -1,                         NULL                            }
2230 };
2231
2232 static struct ValueTextInfo options_action_arg_key[] =
2233 {
2234   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2235   { CA_ARG_1,                   "1"                             },
2236   { CA_ARG_2,                   "2"                             },
2237   { CA_ARG_3,                   "3"                             },
2238   { CA_ARG_4,                   "4"                             },
2239   { CA_ARG_5,                   "5"                             },
2240   { CA_ARG_6,                   "6"                             },
2241   { CA_ARG_7,                   "7"                             },
2242   { CA_ARG_8,                   "8"                             },
2243   { CA_ARG_UNDEFINED,           " "                             },
2244   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2245   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2246   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2247   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2248
2249   { -1,                         NULL                            }
2250 };
2251
2252 static struct ValueTextInfo options_action_arg_speed[] =
2253 {
2254   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2255   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2256   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2257   { CA_ARG_SPEED_SLOW,          "slow"                          },
2258   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2259   { CA_ARG_SPEED_FAST,          "fast"                          },
2260   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2261   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2262   { CA_ARG_UNDEFINED,           " "                             },
2263   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2264   { CA_ARG_SPEED_FASTER,        "faster"                        },
2265   { CA_ARG_UNDEFINED,           " "                             },
2266   { CA_ARG_SPEED_RESET,         "reset"                         },
2267
2268   { -1,                         NULL                            }
2269 };
2270
2271 static struct ValueTextInfo options_action_arg_shield[] =
2272 {
2273   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2274   { CA_ARG_SHIELD_OFF,          "off"                           },
2275   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2276   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2277
2278   { -1,                         NULL                            }
2279 };
2280
2281 static struct ValueTextInfo options_action_arg_artwork[] =
2282 {
2283   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2284   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2285   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2286   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2287   { CA_ARG_UNDEFINED,           " "                             },
2288   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2289
2290   { -1,                         NULL                            }
2291 };
2292
2293 static struct ValueTextInfo options_action_arg_gravity[] =
2294 {
2295   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2296   { CA_ARG_GRAVITY_ON,          "on"                            },
2297   { CA_ARG_GRAVITY_OFF,         "off"                           },
2298   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2299
2300   { -1,                         NULL                            }
2301 };
2302
2303 static struct ValueTextInfo options_action_arg_direction[] =
2304 {
2305   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2306   { CA_ARG_DIRECTION_NONE,      "none"                          },
2307   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2308   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2309   { CA_ARG_DIRECTION_UP,        "up"                            },
2310   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2311   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2312   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2313
2314   { -1,                         NULL                            }
2315 };
2316
2317 static struct ValueTextInfo options_action_arg_scan_mode[] =
2318 {
2319   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2320   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2321   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2322
2323   { -1,                         NULL                            }
2324 };
2325
2326 static struct ValueTextInfo options_action_arg_inventory[] =
2327 {
2328   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2329   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2330   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2331   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2332   { CA_ARG_UNDEFINED,           " "                             },
2333   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2334   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2335   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2336   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2337   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2338   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2339   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2340   { CA_ARG_UNDEFINED,           " "                             },
2341   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2342
2343   { -1,                         NULL                            }
2344 };
2345
2346 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2347 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2348 {
2349   { -1,                         NULL                            }
2350 };
2351
2352 static struct ValueTextInfo options_group_choice_mode[] =
2353 {
2354   { ANIM_RANDOM,                "random"                        },
2355   { ANIM_LOOP,                  "loop"                          },
2356   { ANIM_LINEAR,                "linear"                        },
2357   { ANIM_PINGPONG,              "pingpong"                      },
2358   { ANIM_PINGPONG2,             "pingpong 2"                    },
2359
2360   { -1,                         NULL                            }
2361 };
2362
2363 static struct ValueTextInfo *action_arg_modes[] =
2364 {
2365   options_action_mode_none,
2366   options_action_mode_assign,
2367   options_action_mode_add_remove,
2368   options_action_mode_calculate,
2369 };
2370
2371 static struct
2372 {
2373   int value;
2374   int mode;
2375   struct ValueTextInfo *options;
2376 }
2377 action_arg_options[] =
2378 {
2379   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2380   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2381   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2382   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2383   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2384   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2385   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2386   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2387   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2388   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2389   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2390   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2391   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2392   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2393   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2394   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2395   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2396   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2397   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2398   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2399   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2400
2401   { -1,                         FALSE,  NULL                            }
2402 };
2403
2404 static struct
2405 {
2406   int x, y;
2407   int gadget_id;
2408   int gadget_id_align;
2409   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2410   struct ValueTextInfo *options;
2411   int *value;
2412   char *text_above, *text_left, *text_right, *infotext;
2413 } selectbox_info[ED_NUM_SELECTBOX] =
2414 {
2415   /* ---------- level and editor settings ---------------------------------- */
2416
2417   {
2418     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2419     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2420     -1,
2421     options_time_or_steps,
2422     &level.use_step_counter,
2423     NULL, NULL, "(0 => no limit)",      "time or step limit"
2424   },
2425   {
2426     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2427     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2428     -1,
2429     options_game_engine_type,
2430     &level.game_engine_type,
2431     NULL, "game engine:", NULL,         "game engine"
2432   },
2433   {
2434     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2435     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2436     -1,
2437     options_levelset_save_mode,
2438     &levelset_save_mode,
2439     "Action:", NULL, NULL,              "action when saving level set"
2440   },
2441
2442   /* ---------- element settings: configure (several elements) ------------- */
2443
2444   {
2445     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2446     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2447     -1,
2448     options_wind_direction,
2449     &level.wind_direction_initial,
2450     NULL, "initial wind direction:", NULL,      "initial wind direction"
2451   },
2452   {
2453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2454     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2455     -1,
2456     options_player_speed,
2457     &level.initial_player_stepsize[0],
2458     NULL, "initial player speed:", NULL,        "initial player speed"
2459   },
2460
2461   /* ---------- element settings: configure 1 (custom elements) ------------ */
2462
2463   {
2464     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2465     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2466     -1,
2467     options_access_type,
2468     &custom_element.access_type,
2469     NULL, NULL, NULL,                   "type of access to this field"
2470   },
2471   {
2472     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2473     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2474     -1,
2475     options_access_layer,
2476     &custom_element.access_layer,
2477     NULL, NULL, NULL,                   "layer of access for this field"
2478   },
2479   {
2480     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2481     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2482     -1,
2483     options_access_protected,
2484     &custom_element.access_protected,
2485     NULL, NULL, NULL,                   "protected access for this field"
2486   },
2487   {
2488     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2489     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2490     -1,
2491     options_access_direction,
2492     &custom_element.access_direction,
2493     NULL, "from", NULL,                 "access direction for this field"
2494   },
2495   {
2496     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2497     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2498     -1,
2499     options_walk_to_action,
2500     &custom_element.walk_to_action,
2501     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2502   },
2503
2504   /* ---------- element settings: configure 2 (custom elements) ------------ */
2505
2506   {
2507     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2508     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2509     -1,
2510     options_move_pattern,
2511     &custom_element.move_pattern,
2512     NULL, "can move", NULL,             "element move pattern"
2513   },
2514   {
2515     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2516     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2517     -1,
2518     options_move_direction,
2519     &custom_element.move_direction_initial,
2520     NULL, "starts moving", NULL,        "initial element move direction"
2521   },
2522   {
2523     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2524     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2525     -1,
2526     options_move_stepsize,
2527     &custom_element.move_stepsize,
2528     NULL, "move/fall speed", NULL,      "speed of element movement"
2529   },
2530   {
2531     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2532     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2533     -1,
2534     options_move_leave_type,
2535     &custom_element.move_leave_type,
2536     // left text with leading spaces to place gadget next to "can dig" gadget
2537     // (needed because drawing area gadgets created after selectbox gadgets)
2538     // NULL, "can dig:    can", ":",    "leave behind or change element"
2539     NULL, "            can", ":",       "leave behind or change element"
2540   },
2541   {
2542     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2543     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2544     -1,
2545     options_smash_targets,
2546     &custom_element.smash_targets,
2547     NULL, "can smash", NULL,            "elements that can be smashed"
2548   },
2549   {
2550     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2551     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2552     -1,
2553     options_slippery_type,
2554     &custom_element.slippery_type,
2555     NULL, "slippery", NULL,             "where other elements fall down"
2556   },
2557   {
2558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2559     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2560     -1,
2561     options_deadliness,
2562     &custom_element.deadliness,
2563     NULL, "deadly when", NULL,          "deadliness of element"
2564   },
2565   {
2566     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2567     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2568     -1,
2569     options_explosion_type,
2570     &custom_element.explosion_type,
2571     NULL, "can explode", NULL,          "explosion type"
2572   },
2573
2574   /* ---------- element settings: advanced (custom elements) --------------- */
2575
2576   {
2577     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2578     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2579     -1,
2580     options_time_units,
2581     &custom_element_change.delay_frames,
2582     NULL, "delay time given in", NULL,  "delay time units for change"
2583   },
2584   {
2585     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2586     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2587     -1,
2588     options_change_direct_action,
2589     &custom_element_change.direct_action,
2590     NULL, NULL, NULL,                   "type of direct action"
2591   },
2592   {
2593     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2594     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2595     -1,
2596     options_change_other_action,
2597     &custom_element_change.other_action,
2598     NULL, NULL, "element:",             "type of other element action"
2599   },
2600   {
2601     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2602     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2603     -1,
2604     options_change_trigger_side,
2605     &custom_element_change.trigger_side,
2606     NULL, "at", "side",                 "element side triggering change"
2607   },
2608   {
2609     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2610     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2611     -1,
2612     options_change_trigger_player,
2613     &custom_element_change.trigger_player,
2614     NULL, "player:", " ",               "player that causes change"
2615   },
2616   {
2617     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2618     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2619     -1,
2620     options_change_trigger_page,
2621     &custom_element_change.trigger_page,
2622     NULL, "page:", NULL,                "change page that causes change"
2623   },
2624   {
2625     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2626     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2627     -1,
2628     options_change_replace_when,
2629     &custom_element_change.replace_when,
2630     NULL, "replace when", NULL,         "which elements can be replaced"
2631   },
2632   {
2633     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2634     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2635     -1,
2636     options_action_type,
2637     &custom_element_change.action_type,
2638     NULL, NULL, NULL,                   "action on specified condition"
2639   },
2640   {
2641     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2642     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2643     -1,
2644     options_action_mode_none,
2645     &custom_element_change.action_mode,
2646     NULL, NULL, NULL,                   "action operator"
2647   },
2648   {
2649     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2650     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2651     -1,
2652     options_action_arg_none,
2653     &custom_element_change.action_arg,
2654     NULL, NULL, NULL,                   "action parameter"
2655   },
2656   {
2657     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2658     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2659     3,
2660     options_change_page,
2661     &custom_element.current_change_page,
2662     NULL, NULL, NULL,                   "element change page"
2663   },
2664
2665   /* ---------- element settings: configure (group elements) --------------- */
2666
2667   {
2668     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2669     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2670     -1,
2671     options_group_choice_mode,
2672     &group_element_info.choice_mode,
2673     NULL, "choice type:", NULL,         "type of group element choice"
2674   },
2675 };
2676
2677 static struct
2678 {
2679   int x, y;
2680   int gadget_id;
2681   int gadget_id_align;
2682   int size;
2683   char *text;
2684   char *text_above, *text_left, *text_right, *infotext;
2685 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2686 {
2687   /* ---------- level and editor settings (tabs) --------------------------- */
2688
2689   {
2690     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2691     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2692     8,                                  "Level",
2693     NULL, NULL, NULL,                   "Configure level properties"
2694   },
2695   {
2696     -1,                                 -1,
2697     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2698     8,                                  "Levelset",
2699     NULL, NULL, NULL,                   "Update this or create new level set"
2700   },
2701   {
2702     -1,                                 -1,
2703     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2704     8,                                  "Editor",
2705     NULL, NULL, NULL,                   "Configure editor properties"
2706   },
2707
2708   /* ---------- element settings (tabs) ------------------------------------ */
2709
2710   {
2711     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2712     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2713     8,                                  "Info",
2714     NULL, NULL, NULL,                   "Show information about element"
2715   },
2716   {
2717     -1,                                 -1,
2718     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2719     8,                                  "Config",
2720     NULL, NULL, NULL,                   "Configure element properties"
2721   },
2722   {
2723     -1,                                 -1,
2724     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2725     8,                                  "Config 1",
2726     NULL, NULL, NULL,                   "Configure element properties, part 1"
2727   },
2728   {
2729     -1,                                 -1,
2730     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2731     8,                                  "Config 2",
2732     NULL, NULL, NULL,                   "Configure element properties, part 2"
2733   },
2734   {
2735     -1,                                 -1,
2736     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2737     8,                                  "Change",
2738     NULL, NULL, NULL,                   "Configure custom element change pages"
2739   },
2740
2741   /* ---------- level and editor settings (buttons) ------------------------ */
2742
2743   {
2744     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2745     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2746     -1,                                 "Save",
2747     NULL, NULL, NULL,                   "Update or create level set"
2748   },
2749   {
2750     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2751     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2752     -1,                                 "Save",
2753     NULL, NULL,                         "this level as level template",
2754     "Save current settings as new template"
2755   },
2756
2757   /* ---------- element settings (buttons) --------------------------------- */
2758
2759   {
2760     -1,                                 -1,
2761     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2762     -1,                                 "Save",
2763     NULL, " ",                          "As Template",
2764     "Save current settings as new template"
2765   },
2766   {
2767     -1,                                 -1,
2768     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2769     -1,                                 "New",
2770     NULL, NULL, NULL,                   "Add new change page"
2771   },
2772   {
2773     -1,                                 -1,
2774     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2775     -1,                                 "Delete",
2776     NULL, NULL, NULL,                   "Delete current change page"
2777   },
2778 };
2779
2780 static struct
2781 {
2782   int graphic;
2783   int x, y;
2784   int gadget_id;
2785   int gadget_id_align;
2786   char *text_left, *text_right, *infotext;
2787 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2788 {
2789   {
2790     IMG_EDITOR_COUNTER_DOWN,
2791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2792     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2793     NULL, NULL,                         "select previous change page"
2794   },
2795   {
2796     IMG_EDITOR_COUNTER_UP,
2797     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2798     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2799     NULL, "change page",                "select next change page"
2800   },
2801   {
2802     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2803     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2804     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2805     " ", NULL,                          "copy settings from this change page"
2806   },
2807   {
2808     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2809     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2810     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2811     NULL, NULL,                         "paste settings to this change page"
2812   },
2813 };
2814
2815 static struct
2816 {
2817   int x, y;
2818 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2819
2820 static struct
2821 {
2822   int graphic;
2823   int gadget_id;
2824   char *infotext;
2825 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2826 {
2827   {
2828     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2829     GADGET_ID_SCROLL_UP,
2830     "scroll level editing area up"
2831   },
2832   {
2833     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2834     GADGET_ID_SCROLL_DOWN,
2835     "scroll level editing area down"
2836   },
2837   {
2838     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2839     GADGET_ID_SCROLL_LEFT,
2840     "scroll level editing area left"
2841   },
2842   {
2843     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2844     GADGET_ID_SCROLL_RIGHT,
2845     "scroll level editing area right"
2846   },
2847   {
2848     IMG_EDITOR_PALETTE_SCROLL_UP,
2849     GADGET_ID_SCROLL_LIST_UP,
2850     "scroll element list up ('Page Up')"
2851   },
2852   {
2853     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2854     GADGET_ID_SCROLL_LIST_DOWN,
2855     "scroll element list down ('Page Down')"
2856   },
2857 };
2858
2859 static struct
2860 {
2861   int x, y;
2862   int width, height;
2863   int wheel_x, wheel_y;
2864   int wheel_width, wheel_height;
2865 } scrollbar_pos[ED_NUM_SCROLLBARS];
2866
2867 static struct
2868 {
2869   int graphic;
2870   int type;
2871   int gadget_id;
2872   char *infotext;
2873 } scrollbar_info[ED_NUM_SCROLLBARS] =
2874 {
2875   {
2876     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2877     GD_TYPE_SCROLLBAR_HORIZONTAL,
2878     GADGET_ID_SCROLL_HORIZONTAL,
2879     "scroll level editing area horizontally"
2880   },
2881   {
2882     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2883     GD_TYPE_SCROLLBAR_VERTICAL,
2884     GADGET_ID_SCROLL_VERTICAL,
2885     "scroll level editing area vertically"
2886   },
2887   {
2888     IMG_EDITOR_PALETTE_SCROLLBAR,
2889     GD_TYPE_SCROLLBAR_VERTICAL,
2890     GADGET_ID_SCROLL_LIST_VERTICAL,
2891     "scroll element list vertically"
2892   }
2893 };
2894
2895
2896 static struct
2897 {
2898   int x, y;
2899   int gadget_id;
2900   int gadget_id_align;
2901   int radio_button_nr;
2902   int *value;
2903   int checked_value;
2904   char *text_left, *text_right, *infotext;
2905 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2906 {
2907   {
2908     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2909     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2910     RADIO_NR_RANDOM_ELEMENTS,
2911     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2912     " ", "percentage",                  "use percentage for random elements"
2913   },
2914   {
2915     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2916     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2917     RADIO_NR_RANDOM_ELEMENTS,
2918     &random_placement_method,           RANDOM_USE_QUANTITY,
2919     " ", "quantity",                    "use quantity for random elements"
2920   }
2921 };
2922
2923 static struct
2924 {
2925   int x, y;
2926   int gadget_id;
2927   int gadget_id_align;
2928   boolean *value;
2929   char *text_above, *text_left, *text_right, *infotext;
2930 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2931 {
2932   /* ---------- level and editor settings ---------------------------------- */
2933
2934   {
2935     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2936     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2937     &level.auto_count_gems,
2938     NULL, NULL,
2939     "automatically count gems needed",  "set counter to number of gems"
2940   },
2941   {
2942     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2943     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2944     &levelset_use_levelset_artwork,
2945     NULL, NULL,
2946     "use current custom artwork",       "use custom artwork of this level set"
2947   },
2948   {
2949     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2950     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2951     &levelset_copy_level_template,
2952     NULL, NULL,
2953     "copy current level template",      "copy level template of this level set"
2954   },
2955   {
2956     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2957     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2958     &random_placement_background_restricted,
2959     NULL, NULL,
2960     "restrict random placement to:",    "set random placement restriction"
2961   },
2962   {
2963     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2964     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2965     &setup.editor.use_template_for_new_levels,
2966     "Template for new levels and CE/GE:", NULL,
2967     "use template for new levels",      "use template for level properties"
2968   },
2969   {
2970     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2971     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2972     &level.use_custom_template,
2973     NULL, NULL,
2974     "use template for custom elements", "use template for custom properties"
2975   },
2976
2977   /* ---------- element settings: configure (various elements) ------------- */
2978
2979   {
2980     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2981     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2982     &stick_element_properties_window,
2983     NULL, NULL,
2984     "stick this screen to edit content","stick this screen to edit content"
2985   },
2986   {
2987     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2988     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2989     &level.em_slippery_gems,
2990     NULL, NULL,
2991     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2992   },
2993   {
2994     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2995     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2996     &level.em_explodes_by_fire,
2997     NULL, NULL,
2998     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2999   },
3000   {
3001     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3002     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3003     &level.use_spring_bug,
3004     NULL, NULL,
3005     "use spring pushing bug",           "use odd spring pushing behaviour"
3006   },
3007   {
3008     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3009     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3010     &level.use_time_orb_bug,
3011     NULL, NULL,
3012     "use time orb bug",                 "use odd time orb behaviour"
3013   },
3014   {
3015     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3016     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3017     &level.ball_random,
3018     NULL, NULL,
3019     "create single random element",     "only create one element from content"
3020   },
3021   {
3022     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3023     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
3024     &level.ball_state_initial,
3025     NULL, NULL,
3026     "magic ball initially activated",   "activate magic ball after level start"
3027   },
3028   {
3029     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3030     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3031     &level.grow_into_diggable,
3032     NULL, NULL,
3033     "can grow into anything diggable",  "grow into more than just sand"
3034   },
3035   {
3036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3037     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3038     &level.auto_exit_sokoban,
3039     NULL, NULL,
3040     "exit level if all fields solved",  "automatically finish Sokoban levels"
3041   },
3042   {
3043     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3044     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3045     &level.continuous_snapping,
3046     NULL, NULL,
3047     "continuous snapping",              "use snapping without releasing key"
3048   },
3049   {
3050     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3051     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3052     &level.block_snap_field,
3053     NULL, NULL,
3054     "block snapped field when snapping", "use snapping delay to show animation"
3055   },
3056   {
3057     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3058     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3059     &level.block_last_field,
3060     NULL, NULL,
3061     "block last field when moving",     "player blocks last field when moving"
3062   },
3063   {
3064     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3065     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3066     &level.sp_block_last_field,
3067     NULL, NULL,
3068     "block last field when moving",     "player blocks last field when moving"
3069   },
3070   {
3071     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3072     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3073     &level.instant_relocation,
3074     NULL, NULL,
3075     "no scrolling when relocating",     "player gets relocated without delay"
3076   },
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3079     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3080     &level.shifted_relocation,
3081     NULL, NULL,
3082     "no centering when relocating",     "level not centered after relocation"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3086     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3087     &level.lazy_relocation,
3088     NULL, NULL,
3089     "only redraw off-screen relocation","no redraw if relocation target visible"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3093     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3094     &level.use_start_element[0],
3095     NULL, NULL,
3096     "use level start element:",        "start level at this element's position"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3100     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3101     &level.use_artwork_element[0],
3102     NULL, NULL,
3103     "use artwork from element:",        "use player artwork from other element"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3107     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3108     &level.use_explosion_element[0],
3109     NULL, NULL,
3110     "use explosion from element:",      "use explosion properties from element"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3114     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3115     &level.initial_player_gravity[0],
3116     NULL, NULL,
3117     "use initial gravity",              "set initial player gravity"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3121     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3122     &level.use_initial_inventory[0],
3123     NULL, NULL,
3124     "use initial inventory:",           "use collected elements on level start"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3128     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3129     &level.can_pass_to_walkable,
3130     NULL, NULL,
3131     "can pass to walkable element",     "player can pass to empty or walkable"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3135     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3136     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3137     NULL, NULL,
3138     "can fall into acid (with gravity)","player can fall into acid pool"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3142     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3143     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3144     NULL, NULL,
3145     "can move into acid",               "element can move into acid pool"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3149     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3150     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3151     NULL, NULL,
3152     "deadly when colliding with",       "element is deadly when hitting player"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3156     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3157     &level.envelope[0].autowrap,
3158     NULL, NULL,
3159     "auto-wrap",                        "automatically wrap envelope text"
3160   },
3161   {
3162     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3164     &level.envelope[0].centered,
3165     NULL, " ",
3166     "centered",                         "automatically center envelope text"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3170     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3171     &level.mm_laser_red,
3172     "choose color components for laser:", NULL,
3173     "red",                              "use red color components in laser"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3177     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3178     &level.mm_laser_green,
3179     NULL, NULL,
3180     "green",                            "use green color components in laser"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3184     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3185     &level.mm_laser_blue,
3186     NULL, NULL,
3187     "blue",                             "use blue color components in laser"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3191     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3192     &level.df_laser_red,
3193     "choose color components for laser:", NULL,
3194     "red",                              "use red color components in laser"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3198     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3199     &level.df_laser_green,
3200     NULL, NULL,
3201     "green",                            "use green color components in laser"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3205     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3206     &level.df_laser_blue,
3207     NULL, NULL,
3208     "blue",                             "use blue color components in laser"
3209   },
3210
3211   /* ---------- element settings: configure 1 (custom elements) ----------- */
3212
3213   {
3214     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3215     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3216     &custom_element.use_gfx_element,
3217     NULL, NULL,
3218     "use graphic of element:",          "use existing element graphic"
3219   },
3220   {
3221     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3222     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3223     &level.use_custom_template,
3224     NULL, NULL,
3225     "use template",                     "use template for custom properties"
3226   },
3227   {
3228     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3229     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3230     &custom_element_properties[EP_ACCESSIBLE],
3231     NULL, NULL,
3232     NULL,                               "player can walk to or pass this field"
3233   },
3234   {
3235     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3236     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3237     &custom_element_properties[EP_GRAVITY_REACHABLE],
3238     NULL, NULL,
3239     "reachable despite gravity",        "player can walk/dig despite gravity"
3240   },
3241   {
3242     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3243     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3244     &custom_element.use_last_ce_value,
3245     NULL, NULL,
3246     "use last CE value after change",   "use last CE value after change"
3247   },
3248   {
3249     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3250     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3251     &custom_element_properties[EP_WALK_TO_OBJECT],
3252     NULL, NULL,
3253     NULL,                               "player can dig/collect/push element"
3254   },
3255   {
3256     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3257     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3258     &custom_element_properties[EP_INDESTRUCTIBLE],
3259     NULL, NULL,
3260     "indestructible",                   "element is indestructible"
3261   },
3262
3263   /* ---------- element settings: configure 2 (custom elements) ----------- */
3264
3265   {
3266     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3267     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3268     &custom_element_properties[EP_CAN_MOVE],
3269     NULL, NULL,
3270     NULL,                               "element can move with some pattern"
3271   },
3272   {
3273     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3274     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3275     &custom_element_properties[EP_CAN_FALL],
3276     NULL, NULL,
3277     "can fall",                         "element can fall down"
3278   },
3279   {
3280     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3281     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3282     &custom_element_properties[EP_CAN_SMASH],
3283     NULL, " ",
3284     NULL,                               "element can smash other elements"
3285   },
3286   {
3287     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3288     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3289     &custom_element_properties[EP_SLIPPERY],
3290     NULL, NULL,
3291     NULL,                               "other elements can fall down from it"
3292   },
3293   {
3294     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3295     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3296     &custom_element_properties[EP_DEADLY],
3297     NULL, NULL,
3298     NULL,                               "element can kill the player"
3299   },
3300   {
3301     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3302     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3303     &custom_element_properties[EP_CAN_EXPLODE],
3304     NULL, NULL,
3305     NULL,                               "element can explode"
3306   },
3307   {
3308     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3309     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3310     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3311     NULL, NULL,
3312     "by fire",                          "element can explode by fire/explosion"
3313   },
3314   {
3315     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3316     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3317     &custom_element_properties[EP_EXPLODES_SMASHED],
3318     NULL, " ",
3319     "smashed",                          "element can explode when smashed"
3320   },
3321   {
3322     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3323     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3324     &custom_element_properties[EP_EXPLODES_IMPACT],
3325     NULL, " ",
3326     "impact",                           "element can explode on impact"
3327   },
3328
3329   /* ---------- element settings: advanced (custom elements) --------------- */
3330
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3333     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3334     &custom_element_change.can_change,
3335     NULL, NULL,
3336     "element changes to:",              "change element on specified condition"
3337   },
3338   {
3339     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3340     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3341     &custom_element_change_events[CE_DELAY],
3342     NULL, NULL,
3343     NULL,                               "element changes after delay"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3347     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3348     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3349     NULL, NULL,
3350     NULL,                               "element changes by direct action"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3354     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3355     &custom_element_change_events[CE_BY_OTHER_ACTION],
3356     NULL, NULL,
3357     NULL,                               "element changes by other element"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3361     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3362     &custom_element_change.explode,
3363     NULL, NULL,
3364     "explode instead of change",        "element explodes instead of change"
3365   },
3366   {
3367     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3368     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3369     &custom_element_change.use_target_content,
3370     NULL, NULL,
3371     "use extended change target:",      "element changes to more elements"
3372   },
3373   {
3374     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3375     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3376     &custom_element_change.only_if_complete,
3377     NULL, NULL,
3378     "replace all or nothing",           "only replace when all can be changed"
3379   },
3380   {
3381     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3382     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3383     &custom_element_change.use_random_replace,
3384     NULL, NULL,
3385     NULL,                               "use percentage for random replace"
3386   },
3387   {
3388     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3389     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3390     &custom_element_change.has_action,
3391     NULL, NULL,
3392     NULL,                               "execute action on specified condition"
3393   },
3394 };
3395
3396 static struct
3397 {
3398   int x, y;
3399   int xoffset, yoffset;
3400   int gadget_id;
3401   int gadget_id_align;
3402   int *value;
3403   int area_xsize, area_ysize;
3404   char *text_left, *text_right, *text_below, *infotext;
3405 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3406 {
3407   /* ---------- level playfield content ------------------------------------ */
3408
3409   {
3410     0,                                  0,
3411     0,                                  0,
3412     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3413     NULL,
3414     -1, -1,     /* these values are not constant, but can change at runtime */
3415     NULL, NULL, NULL,                   NULL
3416   },
3417
3418   /* ---------- yam yam content -------------------------------------------- */
3419
3420   {
3421     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3422     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3423     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3424     &level.yamyam_content[0].e[0][0],   3, 3,
3425     NULL, NULL, "1",                    NULL
3426   },
3427   {
3428     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3429     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3430     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3431     &level.yamyam_content[1].e[0][0],   3, 3,
3432     NULL, NULL, "2",                    NULL
3433   },
3434   {
3435     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3436     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3437     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3438     &level.yamyam_content[2].e[0][0],   3, 3,
3439     NULL, NULL, "3",                    NULL
3440   },
3441   {
3442     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3443     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3444     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3445     &level.yamyam_content[3].e[0][0],   3, 3,
3446     NULL, NULL, "4",                    NULL
3447   },
3448   {
3449     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3450     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3451     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3452     &level.yamyam_content[4].e[0][0],   3, 3,
3453     NULL, NULL, "5",                    NULL
3454   },
3455   {
3456     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3457     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3458     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3459     &level.yamyam_content[5].e[0][0],   3, 3,
3460     NULL, NULL, "6",                    NULL
3461   },
3462   {
3463     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3464     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3465     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3466     &level.yamyam_content[6].e[0][0],   3, 3,
3467     NULL, NULL, "7",                    NULL
3468   },
3469   {
3470     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3471     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3472     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3473     &level.yamyam_content[7].e[0][0],   3, 3,
3474     NULL, NULL, "8",                    NULL
3475   },
3476
3477   /* ---------- magic ball content ----------------------------------------- */
3478
3479   {
3480     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3481     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3482     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3483     &level.ball_content[0].e[0][0],     3, 3,
3484     NULL, NULL, "1",                    NULL
3485   },
3486   {
3487     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3488     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3489     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3490     &level.ball_content[1].e[0][0],     3, 3,
3491     NULL, NULL, "2",                    NULL
3492   },
3493   {
3494     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3495     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3496     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3497     &level.ball_content[2].e[0][0],     3, 3,
3498     NULL, NULL, "3",                    NULL
3499   },
3500   {
3501     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3502     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3503     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3504     &level.ball_content[3].e[0][0],     3, 3,
3505     NULL, NULL, "4",                    NULL
3506   },
3507   {
3508     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3509     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3510     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3511     &level.ball_content[4].e[0][0],     3, 3,
3512     NULL, NULL, "5",                    NULL
3513   },
3514   {
3515     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3516     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3517     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3518     &level.ball_content[5].e[0][0],     3, 3,
3519     NULL, NULL, "6",                    NULL
3520   },
3521   {
3522     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3523     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3524     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3525     &level.ball_content[6].e[0][0],     3, 3,
3526     NULL, NULL, "7",                    NULL
3527   },
3528   {
3529     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3530     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3531     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3532     &level.ball_content[7].e[0][0],     3, 3,
3533     NULL, NULL, "8",                    NULL
3534   },
3535
3536   /* ---------- android content -------------------------------------------- */
3537
3538   {
3539     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3540     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3541     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3542     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3543     "elements:", NULL, NULL,            "elements android can clone"
3544   },
3545
3546   /* ---------- amoeba content --------------------------------------------- */
3547
3548   {
3549     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3550     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3551     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3552     &level.amoeba_content,              1, 1,
3553     "content:", NULL, NULL,             "amoeba content"
3554   },
3555
3556   /* ---------- level start element ---------------------------------------- */
3557
3558   {
3559     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3560     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3561     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3562     &level.start_element[0],            1, 1,
3563     NULL, NULL, NULL,                   "level start element"
3564   },
3565
3566   /* ---------- player artwork element ------------------------------------- */
3567
3568   {
3569     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3570     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3571     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3572     &level.artwork_element[0],          1, 1,
3573     NULL, NULL, NULL,                   "element for player artwork"
3574   },
3575
3576   /* ---------- player explosion element ----------------------------------- */
3577
3578   {
3579     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3580     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3581     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3582     &level.explosion_element[0],        1, 1,
3583     NULL, NULL, NULL,                   "element for player explosion"
3584   },
3585
3586   /* ---------- player initial inventory ----------------------------------- */
3587
3588   {
3589     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3590     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3591     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3592     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3593     NULL, NULL, NULL,                   "content for initial inventory"
3594   },
3595
3596   /* ---------- element settings: configure 1 (custom elements) ----------- */
3597
3598   /* ---------- custom graphic --------------------------------------------- */
3599
3600   {
3601     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3602     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3603     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3604     &custom_element.gfx_element_initial,1, 1,
3605     NULL, NULL, NULL,                   "custom graphic element"
3606   },
3607
3608   /* ---------- element settings: configure 2 (custom elements) ----------- */
3609
3610   /* ---------- custom content (when exploding) ---------------------------- */
3611
3612   {
3613     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3614     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3615     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3616     &custom_element.content.e[0][0],    3, 3,
3617     "content:", NULL, NULL,             NULL
3618   },
3619
3620   /* ---------- custom enter and leave element (when moving) --------------- */
3621
3622   {
3623     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3624     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3625     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3626     &custom_element.move_enter_element, 1, 1,
3627     "can dig:", " ", NULL,              "element that can be digged/collected"
3628   },
3629   {
3630     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3631     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3632     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3633     &custom_element.move_leave_element, 1, 1,
3634     NULL, NULL, NULL,                   "element that will be left behind"
3635   },
3636
3637   /* ---------- element settings: advanced (custom elements) --------------- */
3638
3639   /* ---------- custom change target --------------------------------------- */
3640
3641   {
3642     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3643     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3644     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3645     &custom_element_change.target_element, 1, 1,
3646     NULL, "after/when:", NULL,          "new target element after change"
3647   },
3648
3649   /* ---------- custom change content (extended change target) ------------- */
3650
3651   {
3652     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3653     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3654     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3655     &custom_element_change.target_content.e[0][0], 3, 3,
3656     NULL, NULL, NULL,                   "new extended elements after change"
3657   },
3658
3659   /* ---------- custom change trigger (element causing change) ------------- */
3660
3661   {
3662     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3663     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3664     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3665     &custom_element_change.initial_trigger_element, 1, 1,
3666     NULL, NULL, NULL,                   "other element triggering change"
3667   },
3668
3669   /* ---------- custom change action (element used for action) ------------- */
3670
3671   {
3672     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3673     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3674     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3675     &custom_element_change.action_element, 1, 1,
3676     NULL, NULL, NULL,                   "element used as action parameter"
3677   },
3678
3679   /* ---------- group element content -------------------------------------- */
3680
3681   {
3682     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3683     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3684     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3685     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3686     "content:", NULL, NULL,             NULL
3687   },
3688
3689   /* ---------- random background (for random painting) -------------------- */
3690
3691   {
3692     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3693     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3694     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3695     &random_placement_background_element, 1, 1,
3696     NULL, NULL, NULL,                   "random placement background"
3697   },
3698 };
3699
3700
3701 /*
3702   -----------------------------------------------------------------------------
3703   some internally used variables
3704   -----------------------------------------------------------------------------
3705 */
3706
3707 /* maximal size of level editor drawing area */
3708 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3709
3710 /* actual size of level editor drawing area */
3711 static int ed_fieldx, ed_fieldy;
3712
3713 /* actual position of level editor drawing area in level playfield */
3714 static int level_xpos = -1, level_ypos = -1;
3715
3716 /* actual tile size used to display playfield drawing area */
3717 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3718 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3719
3720 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3721
3722 /* drawing elements on the three mouse buttons */
3723 static int new_element1 = EL_WALL;
3724 static int new_element2 = EL_EMPTY;
3725 static int new_element3 = EL_SAND;
3726
3727 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3728 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3729                                 (button) == 2 ? new_element2 : \
3730                                 (button) == 3 ? new_element3 : EL_EMPTY)
3731
3732 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3733
3734 static int use_permanent_palette = TRUE;
3735
3736 #define PX              (use_permanent_palette ? DX : SX)
3737 #define PY              (use_permanent_palette ? DY : SY)
3738 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3739 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3740
3741 /* forward declaration for internal use */
3742 static void ModifyEditorCounterValue(int, int);
3743 static void ModifyEditorCounterLimits(int, int, int);
3744 static void ModifyEditorSelectboxValue(int, int);
3745 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3746 static void ModifyEditorDrawingArea(int, int, int);
3747 static void ModifyEditorElementList();
3748 static void AdjustElementListScrollbar();
3749 static void RedrawDrawingElements();
3750 static void DrawDrawingWindowExt(boolean);
3751 static void DrawDrawingWindow();
3752 static void DrawDrawingWindow_PlayfieldOnly();
3753 static void DrawLevelInfoWindow();
3754 static void DrawPropertiesWindow();
3755 static void DrawPaletteWindow();
3756 static void UpdateCustomElementGraphicGadgets();
3757 static boolean checkPropertiesConfig(int);
3758 static void SetAutomaticNumberOfGemsNeeded();
3759 static void ClearEditorGadgetInfoText();
3760 static void CopyLevelToUndoBuffer(int);
3761 static void HandleDrawingAreas(struct GadgetInfo *);
3762 static void HandleCounterButtons(struct GadgetInfo *);
3763 static void HandleTextInputGadgets(struct GadgetInfo *);
3764 static void HandleTextAreaGadgets(struct GadgetInfo *);
3765 static void HandleSelectboxGadgets(struct GadgetInfo *);
3766 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3767 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3768 static void HandleRadiobuttons(struct GadgetInfo *);
3769 static void HandleCheckbuttons(struct GadgetInfo *);
3770 static void HandleControlButtons(struct GadgetInfo *);
3771 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3772 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3773 static boolean AskToCopyAndModifyLevelTemplate();
3774 static boolean getDrawModeHiRes();
3775 static int getTabulatorBarWidth();
3776 static int getTabulatorBarHeight();
3777 static Pixel getTabulatorBarColor();
3778
3779 static int num_editor_gadgets = 0;      /* dynamically determined */
3780
3781 static struct GadgetInfo **level_editor_gadget = NULL;
3782 static int *right_gadget_border = NULL;
3783
3784 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3785 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3786 static boolean draw_with_brush = FALSE;
3787 static int properties_element = 0;
3788
3789 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3790 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3791 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3792 static int undo_buffer_position = 0;
3793 static int undo_buffer_steps = 0;
3794 static int redo_buffer_steps = 0;
3795
3796 static int edit_mode;
3797 static int edit_mode_levelinfo;
3798 static int edit_mode_properties;
3799
3800 static int element_shift = 0;
3801
3802 static int editor_el_players[] =
3803 {
3804   EL_PLAYER_1,
3805   EL_PLAYER_2,
3806   EL_PLAYER_3,
3807   EL_PLAYER_4
3808 };
3809 static int *editor_el_players_ptr = editor_el_players;
3810 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3811
3812 static int editor_hl_boulderdash[] =
3813 {
3814   EL_INTERNAL_CASCADE_BD_ACTIVE,
3815   EL_CHAR('B'),
3816   EL_CHAR('D'),
3817   EL_EMPTY,
3818 };
3819
3820 static int editor_el_boulderdash[] =
3821 {
3822   EL_EMPTY,
3823   EL_SAND,
3824   EL_BD_ROCK,
3825   EL_BD_DIAMOND,
3826
3827   EL_STEELWALL,
3828   EL_BD_WALL,
3829   EL_BD_EXPANDABLE_WALL,
3830   EL_BD_MAGIC_WALL,
3831
3832   EL_BD_AMOEBA,
3833   EL_BD_BUTTERFLY_UP,
3834   EL_BD_FIREFLY_UP,
3835   EL_EXIT_CLOSED,
3836
3837   EL_BD_BUTTERFLY_LEFT,
3838   EL_BD_FIREFLY_LEFT,
3839   EL_BD_BUTTERFLY_RIGHT,
3840   EL_BD_FIREFLY_RIGHT,
3841
3842   EL_EMPTY,
3843   EL_BD_BUTTERFLY_DOWN,
3844   EL_BD_FIREFLY_DOWN,
3845   EL_EXIT_OPEN,
3846 };
3847 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3848 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3849 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3850 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3851
3852 static int editor_hl_emerald_mine[] =
3853 {
3854   EL_INTERNAL_CASCADE_EM_ACTIVE,
3855   EL_CHAR('E'),
3856   EL_CHAR('M'),
3857   EL_EMPTY,
3858 };
3859
3860 static int editor_el_emerald_mine[] =
3861 {
3862   EL_SAND,
3863   EL_ROCK,
3864   EL_QUICKSAND_EMPTY,
3865   EL_QUICKSAND_FULL,
3866
3867   EL_STEELWALL,
3868   EL_WALL,
3869   EL_WALL_SLIPPERY,
3870   EL_MAGIC_WALL,
3871
3872   EL_EMERALD,
3873   EL_DIAMOND,
3874   EL_NUT,
3875   EL_BOMB,
3876
3877   EL_EM_DYNAMITE,
3878   EL_EM_DYNAMITE_ACTIVE,
3879   EL_EM_EXIT_CLOSED,
3880   EL_EM_EXIT_OPEN,
3881
3882   EL_YAMYAM_UP,
3883   EL_BUG_UP,
3884   EL_SPACESHIP_UP,
3885   EL_ROBOT,
3886
3887   EL_BUG_LEFT,
3888   EL_SPACESHIP_LEFT,
3889   EL_BUG_RIGHT,
3890   EL_SPACESHIP_RIGHT,
3891
3892   EL_ROBOT_WHEEL,
3893   EL_BUG_DOWN,
3894   EL_SPACESHIP_DOWN,
3895   EL_INVISIBLE_WALL,
3896
3897   EL_ACID_POOL_TOPLEFT,
3898   EL_ACID,
3899   EL_ACID_POOL_TOPRIGHT,
3900   EL_AMOEBA_DROP,
3901
3902   EL_ACID_POOL_BOTTOMLEFT,
3903   EL_ACID_POOL_BOTTOM,
3904   EL_ACID_POOL_BOTTOMRIGHT,
3905   EL_AMOEBA_WET,
3906
3907   EL_EM_KEY_1,
3908   EL_EM_KEY_2,
3909   EL_EM_KEY_3,
3910   EL_EM_KEY_4,
3911
3912   EL_EM_GATE_1,
3913   EL_EM_GATE_2,
3914   EL_EM_GATE_3,
3915   EL_EM_GATE_4,
3916
3917   EL_EM_GATE_1_GRAY,
3918   EL_EM_GATE_2_GRAY,
3919   EL_EM_GATE_3_GRAY,
3920   EL_EM_GATE_4_GRAY,
3921 };
3922 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3923 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3924 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3925 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3926
3927 static int editor_hl_emerald_mine_club[] =
3928 {
3929   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3930   EL_CHAR('E'),
3931   EL_CHAR('M'),
3932   EL_CHAR('C'),
3933 };
3934
3935 static int editor_el_emerald_mine_club[] =
3936 {
3937   EL_EMC_KEY_5,
3938   EL_EMC_KEY_6,
3939   EL_EMC_KEY_7,
3940   EL_EMC_KEY_8,
3941
3942   EL_EMC_GATE_5,
3943   EL_EMC_GATE_6,
3944   EL_EMC_GATE_7,
3945   EL_EMC_GATE_8,
3946
3947   EL_EMC_GATE_5_GRAY,
3948   EL_EMC_GATE_6_GRAY,
3949   EL_EMC_GATE_7_GRAY,
3950   EL_EMC_GATE_8_GRAY,
3951
3952   EL_EMC_STEELWALL_1,
3953   EL_EMC_STEELWALL_2,
3954   EL_EMC_STEELWALL_3,
3955   EL_EMC_STEELWALL_4,
3956
3957   EL_EMC_WALL_13,
3958   EL_EMC_WALL_14,
3959   EL_EMC_WALL_15,
3960   EL_EMC_WALL_16,
3961
3962   EL_EMC_WALL_SLIPPERY_1,
3963   EL_EMC_WALL_SLIPPERY_2,
3964   EL_EMC_WALL_SLIPPERY_3,
3965   EL_EMC_WALL_SLIPPERY_4,
3966
3967   EL_EMC_WALL_1,
3968   EL_EMC_WALL_2,
3969   EL_EMC_WALL_3,
3970   EL_EMC_WALL_4,
3971
3972   EL_EMC_WALL_5,
3973   EL_EMC_WALL_6,
3974   EL_EMC_WALL_7,
3975   EL_EMC_WALL_8,
3976
3977   EL_EMC_WALL_9,
3978   EL_EMC_WALL_10,
3979   EL_EMC_WALL_11,
3980   EL_EMC_WALL_12,
3981
3982   EL_EMC_GRASS,
3983   EL_EMC_FAKE_GRASS,
3984   EL_EMC_PLANT,
3985   EL_EMC_DRIPPER,
3986
3987   EL_EMC_MAGIC_BALL,
3988   EL_EMC_MAGIC_BALL_SWITCH,
3989   EL_SPRING,
3990   EL_EMC_SPRING_BUMPER,
3991
3992   EL_EMC_LENSES,
3993   EL_EMC_MAGNIFIER,
3994   EL_EMPTY,
3995   EL_EMPTY,
3996
3997   EL_BALLOON,
3998   EL_YAMYAM_UP,
3999   EL_BALLOON_SWITCH_UP,
4000   EL_BALLOON_SWITCH_ANY,
4001
4002   EL_YAMYAM_LEFT,
4003   EL_BALLOON_SWITCH_LEFT,
4004   EL_YAMYAM_RIGHT,
4005   EL_BALLOON_SWITCH_RIGHT,
4006
4007   EL_EMC_ANDROID,
4008   EL_YAMYAM_DOWN,
4009   EL_BALLOON_SWITCH_DOWN,
4010   EL_BALLOON_SWITCH_NONE,
4011 };
4012 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4013 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4014 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
4015 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
4016
4017 static int editor_hl_rnd[] =
4018 {
4019   EL_INTERNAL_CASCADE_RND_ACTIVE,
4020   EL_CHAR('R'),
4021   EL_CHAR('N'),
4022   EL_CHAR('D'),
4023 };
4024
4025 static int editor_el_rnd[] =
4026 {
4027   EL_DYNAMITE,                  /* RND */
4028   EL_DYNAMITE_ACTIVE,           /* RND */
4029   EL_EMPTY,
4030   EL_EMPTY,
4031
4032   EL_KEY_1,
4033   EL_KEY_2,
4034   EL_KEY_3,
4035   EL_KEY_4,
4036
4037   EL_GATE_1,
4038   EL_GATE_2,
4039   EL_GATE_3,
4040   EL_GATE_4,
4041
4042   EL_GATE_1_GRAY,
4043   EL_GATE_2_GRAY,
4044   EL_GATE_3_GRAY,
4045   EL_GATE_4_GRAY,
4046
4047   EL_ARROW_LEFT,
4048   EL_ARROW_RIGHT,
4049   EL_ARROW_UP,
4050   EL_ARROW_DOWN,
4051
4052   EL_AMOEBA_DEAD,
4053   EL_AMOEBA_DRY,
4054   EL_AMOEBA_FULL,
4055   EL_GAME_OF_LIFE,
4056
4057   EL_EMERALD_YELLOW,
4058   EL_EMERALD_RED,
4059   EL_EMERALD_PURPLE,
4060   EL_BIOMAZE,
4061
4062   EL_WALL_EMERALD_YELLOW,
4063   EL_WALL_EMERALD_RED,
4064   EL_WALL_EMERALD_PURPLE,
4065   EL_WALL_BD_DIAMOND,
4066
4067   EL_SPEED_PILL,
4068   EL_PACMAN_UP,
4069   EL_TIME_ORB_FULL,
4070   EL_TIME_ORB_EMPTY,
4071
4072   EL_PACMAN_LEFT,
4073   EL_DARK_YAMYAM,
4074   EL_PACMAN_RIGHT,
4075   EL_YAMYAM,                    /* RND */
4076
4077   EL_BLACK_ORB,
4078   EL_PACMAN_DOWN,
4079   EL_LAMP,
4080   EL_LAMP_ACTIVE,
4081
4082   EL_DYNABOMB_INCREASE_NUMBER,
4083   EL_DYNABOMB_INCREASE_SIZE,
4084   EL_DYNABOMB_INCREASE_POWER,
4085   EL_STONEBLOCK,
4086
4087   EL_MOLE,
4088   EL_PENGUIN,
4089   EL_PIG,
4090   EL_DRAGON,
4091
4092   EL_BUG,
4093   EL_MOLE_UP,
4094   EL_BD_BUTTERFLY,
4095   EL_BD_FIREFLY,
4096
4097   EL_MOLE_LEFT,
4098   EL_SATELLITE,
4099   EL_MOLE_RIGHT,
4100   EL_PACMAN,
4101
4102   EL_SPACESHIP,
4103   EL_MOLE_DOWN,
4104   EL_INVISIBLE_STEELWALL,
4105   EL_INVISIBLE_WALL,
4106
4107   EL_EXPANDABLE_WALL,
4108   EL_EXPANDABLE_WALL_HORIZONTAL,
4109   EL_EXPANDABLE_WALL_VERTICAL,
4110   EL_EXPANDABLE_WALL_ANY,
4111 };
4112 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4113 static int *editor_el_rnd_ptr = editor_el_rnd;
4114 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4115 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4116
4117 static int editor_hl_sokoban[] =
4118 {
4119   EL_INTERNAL_CASCADE_SB_ACTIVE,
4120   EL_CHAR('S'),
4121   EL_CHAR('B'),
4122   EL_EMPTY,
4123 };
4124
4125 static int editor_el_sokoban[] =
4126 {
4127   EL_SOKOBAN_OBJECT,
4128   EL_SOKOBAN_FIELD_EMPTY,
4129   EL_SOKOBAN_FIELD_FULL,
4130   EL_SOKOBAN_FIELD_PLAYER,
4131 };
4132 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4133 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4134 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4135 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4136
4137 static int editor_hl_supaplex[] =
4138 {
4139   EL_INTERNAL_CASCADE_SP_ACTIVE,
4140   EL_CHAR('S'),
4141   EL_CHAR('P'),
4142   EL_EMPTY,
4143 };
4144
4145 static int editor_el_supaplex[] =
4146 {
4147   EL_SP_MURPHY,
4148   EL_EMPTY,
4149   EL_SP_BASE,
4150   EL_SP_BUGGY_BASE,
4151
4152   EL_SP_INFOTRON,
4153   EL_SP_ZONK,
4154   EL_SP_SNIKSNAK,
4155   EL_SP_ELECTRON,
4156
4157   EL_SP_DISK_RED,
4158   EL_SP_DISK_ORANGE,
4159   EL_SP_DISK_YELLOW,
4160   EL_SP_TERMINAL,
4161
4162   EL_SP_EXIT_CLOSED,
4163   EL_SP_PORT_HORIZONTAL,
4164   EL_SP_PORT_VERTICAL,
4165   EL_SP_PORT_ANY,
4166
4167   EL_SP_PORT_LEFT,
4168   EL_SP_PORT_RIGHT,
4169   EL_SP_PORT_UP,
4170   EL_SP_PORT_DOWN,
4171
4172   EL_SP_GRAVITY_PORT_LEFT,
4173   EL_SP_GRAVITY_PORT_RIGHT,
4174   EL_SP_GRAVITY_PORT_UP,
4175   EL_SP_GRAVITY_PORT_DOWN,
4176
4177   EL_SP_GRAVITY_ON_PORT_LEFT,
4178   EL_SP_GRAVITY_ON_PORT_RIGHT,
4179   EL_SP_GRAVITY_ON_PORT_UP,
4180   EL_SP_GRAVITY_ON_PORT_DOWN,
4181
4182   EL_SP_GRAVITY_OFF_PORT_LEFT,
4183   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4184   EL_SP_GRAVITY_OFF_PORT_UP,
4185   EL_SP_GRAVITY_OFF_PORT_DOWN,
4186
4187   EL_SP_HARDWARE_GRAY,
4188   EL_SP_HARDWARE_GREEN,
4189   EL_SP_HARDWARE_BLUE,
4190   EL_SP_HARDWARE_RED,
4191
4192   EL_SP_HARDWARE_BASE_1,
4193   EL_SP_HARDWARE_BASE_2,
4194   EL_SP_HARDWARE_BASE_3,
4195   EL_SP_HARDWARE_BASE_4,
4196
4197   EL_SP_HARDWARE_BASE_5,
4198   EL_SP_HARDWARE_BASE_6,
4199   EL_SP_HARDWARE_YELLOW,
4200   EL_SP_CHIP_TOP,
4201
4202   EL_SP_CHIP_SINGLE,
4203   EL_SP_CHIP_LEFT,
4204   EL_SP_CHIP_RIGHT,
4205   EL_SP_CHIP_BOTTOM,
4206 };
4207 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4208 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4209 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4210 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4211
4212 static int editor_hl_diamond_caves[] =
4213 {
4214   EL_INTERNAL_CASCADE_DC_ACTIVE,
4215   EL_CHAR('D'),
4216   EL_CHAR('C'),
4217   EL_CHAR('2'),
4218 };
4219
4220 static int editor_el_diamond_caves[] =
4221 {
4222   EL_EM_STEEL_EXIT_CLOSED,      /* DC2 */
4223   EL_EM_STEEL_EXIT_OPEN,        /* DC2 */
4224   EL_WALL_EMERALD,              /* DC2 */
4225   EL_WALL_DIAMOND,              /* DC2 */
4226
4227   EL_PEARL,
4228   EL_CRYSTAL,
4229   EL_WALL_PEARL,
4230   EL_WALL_CRYSTAL,
4231
4232   EL_CONVEYOR_BELT_1_LEFT,
4233   EL_CONVEYOR_BELT_1_MIDDLE,
4234   EL_CONVEYOR_BELT_1_RIGHT,
4235   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4236
4237   EL_CONVEYOR_BELT_2_LEFT,
4238   EL_CONVEYOR_BELT_2_MIDDLE,
4239   EL_CONVEYOR_BELT_2_RIGHT,
4240   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4241
4242   EL_CONVEYOR_BELT_3_LEFT,
4243   EL_CONVEYOR_BELT_3_MIDDLE,
4244   EL_CONVEYOR_BELT_3_RIGHT,
4245   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4246
4247   EL_CONVEYOR_BELT_4_LEFT,
4248   EL_CONVEYOR_BELT_4_MIDDLE,
4249   EL_CONVEYOR_BELT_4_RIGHT,
4250   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4251
4252   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4253   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4254   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4255   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4256
4257   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4258   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4259   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4260   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4261
4262   EL_TIMEGATE_CLOSED,
4263   EL_TIMEGATE_OPEN,
4264   EL_TIMEGATE_SWITCH,
4265   EL_DC_TIMEGATE_SWITCH,
4266
4267   EL_SWITCHGATE_CLOSED,
4268   EL_SWITCHGATE_OPEN,
4269   EL_SWITCHGATE_SWITCH_UP,
4270   EL_SWITCHGATE_SWITCH_DOWN,
4271
4272   EL_LIGHT_SWITCH,
4273   EL_LIGHT_SWITCH_ACTIVE,
4274   EL_DC_SWITCHGATE_SWITCH_UP,
4275   EL_DC_SWITCHGATE_SWITCH_DOWN,
4276
4277   EL_STEEL_EXIT_CLOSED,
4278   EL_STEEL_EXIT_OPEN,
4279   EL_STEELWALL_SLIPPERY,
4280   EL_INVISIBLE_SAND,
4281
4282   EL_QUICKSAND_FAST_EMPTY,
4283   EL_QUICKSAND_FAST_FULL,
4284   EL_LANDMINE,
4285   EL_DC_LANDMINE,
4286
4287   EL_SHIELD_NORMAL,
4288   EL_SHIELD_DEADLY,
4289   EL_EXTRA_TIME,
4290   EL_DC_MAGIC_WALL,
4291
4292   EL_ENVELOPE_1,
4293   EL_ENVELOPE_2,
4294   EL_ENVELOPE_3,
4295   EL_ENVELOPE_4,
4296
4297   EL_SIGN_RADIOACTIVITY,
4298   EL_SIGN_WHEELCHAIR,
4299   EL_SIGN_PARKING,
4300   EL_SIGN_NO_ENTRY,
4301
4302   EL_SIGN_GIVE_WAY,
4303   EL_SIGN_ENTRY_FORBIDDEN,
4304   EL_SIGN_EMERGENCY_EXIT,
4305   EL_SIGN_YIN_YANG,
4306
4307 #if 0
4308   EL_SIGN_SPERMS,
4309   EL_SIGN_BULLET,
4310   EL_SIGN_HEART,
4311   EL_SIGN_CROSS,
4312
4313   EL_SIGN_FRANKIE,
4314   EL_EMPTY,
4315   EL_EMPTY,
4316   EL_EMPTY,
4317
4318   EL_SPERMS,
4319   EL_BULLET,
4320   EL_HEART,
4321   EL_CROSS,
4322
4323   EL_FRANKIE,
4324   EL_EMPTY,
4325   EL_EMPTY,
4326   EL_EMPTY,
4327 #endif
4328
4329   EL_DC_STEELWALL_2_SINGLE,
4330   EL_DC_STEELWALL_2_TOP,
4331   EL_SIGN_EXCLAMATION,
4332   EL_SIGN_STOP,
4333
4334   EL_DC_STEELWALL_2_LEFT,
4335   EL_DC_STEELWALL_2_MIDDLE,
4336   EL_DC_STEELWALL_2_HORIZONTAL,
4337   EL_DC_STEELWALL_2_RIGHT,
4338
4339   EL_DC_STEELWALL_1_TOPLEFT,
4340   EL_DC_STEELWALL_2_VERTICAL,
4341   EL_DC_STEELWALL_1_TOPRIGHT,
4342   EL_DC_GATE_WHITE,
4343
4344   EL_DC_STEELWALL_1_VERTICAL,
4345   EL_DC_STEELWALL_2_BOTTOM,
4346   EL_DC_KEY_WHITE,
4347   EL_DC_GATE_WHITE_GRAY,
4348
4349   EL_DC_STEELWALL_1_BOTTOMLEFT,
4350   EL_DC_STEELWALL_1_HORIZONTAL,
4351   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4352   EL_DC_GATE_FAKE_GRAY,
4353
4354   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4355   EL_DC_STEELWALL_1_BOTTOM,
4356   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4357   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4358
4359   EL_DC_STEELWALL_1_RIGHT,
4360   EL_EMPTY,
4361   EL_DC_STEELWALL_1_LEFT,
4362   EL_EXPANDABLE_STEELWALL_VERTICAL,
4363
4364   EL_DC_STEELWALL_1_TOPRIGHT_2,
4365   EL_DC_STEELWALL_1_TOP,
4366   EL_DC_STEELWALL_1_TOPLEFT_2,
4367   EL_EXPANDABLE_STEELWALL_ANY,
4368 };
4369 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4370 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4371 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4372 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4373
4374 static int editor_hl_dx_boulderdash[] =
4375 {
4376   EL_INTERNAL_CASCADE_DX_ACTIVE,
4377   EL_CHAR('D'),
4378   EL_CHAR('X'),
4379   EL_EMPTY,
4380 };
4381
4382 static int editor_el_dx_boulderdash[] =
4383 {
4384   EL_EMPTY,
4385   EL_TUBE_RIGHT_DOWN,
4386   EL_TUBE_HORIZONTAL_DOWN,
4387   EL_TUBE_LEFT_DOWN,
4388
4389   EL_TUBE_HORIZONTAL,
4390   EL_TUBE_VERTICAL_RIGHT,
4391   EL_TUBE_ANY,
4392   EL_TUBE_VERTICAL_LEFT,
4393
4394   EL_TUBE_VERTICAL,
4395   EL_TUBE_RIGHT_UP,
4396   EL_TUBE_HORIZONTAL_UP,
4397   EL_TUBE_LEFT_UP,
4398
4399   EL_TRAP,
4400   EL_DX_SUPABOMB,
4401   EL_EMPTY,
4402   EL_EMPTY
4403 };
4404 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4405 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4406 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4407 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4408
4409 static int editor_hl_mirror_magic[] =
4410 {
4411   EL_INTERNAL_CASCADE_MM_ACTIVE,
4412   EL_CHAR('M'),
4413   EL_CHAR('M'),
4414   EL_EMPTY,
4415 };
4416
4417 static int editor_el_mirror_magic[] =
4418 {
4419   EL_MM_MCDUFFIN_RIGHT,
4420   EL_MM_MCDUFFIN_UP,
4421   EL_MM_MCDUFFIN_LEFT,
4422   EL_MM_MCDUFFIN_DOWN,
4423
4424   EL_MM_MIRROR_START,
4425   EL_MM_MIRROR_FIXED_START,
4426   EL_MM_POLARISATOR_START,
4427   EL_MM_POLARISATOR_CROSS_START,
4428
4429   EL_MM_BEAMER_RED_START,
4430   EL_MM_BEAMER_YELLOW_START,
4431   EL_MM_BEAMER_GREEN_START,
4432   EL_MM_BEAMER_BLUE_START,
4433
4434   EL_MM_PRISM,
4435   EL_MM_FUSE_ACTIVE,
4436   EL_MM_PACMAN_RIGHT,
4437   EL_MM_EXIT_CLOSED,
4438
4439   EL_MM_KETTLE,
4440   EL_MM_BOMB,
4441   EL_MM_KEY,
4442   EL_MM_FUEL_FULL,
4443
4444   EL_MM_LIGHTBULB,
4445   EL_MM_LIGHTBULB_ACTIVE,
4446   EL_MM_GRAY_BALL,
4447   EL_MM_LIGHTBALL,
4448
4449   EL_MM_STEEL_WALL,
4450   EL_MM_WOODEN_WALL,
4451   EL_MM_ICE_WALL,
4452   EL_MM_AMOEBA_WALL,
4453
4454   EL_MM_STEEL_LOCK,
4455   EL_MM_WOODEN_LOCK,
4456   EL_MM_STEEL_BLOCK,
4457   EL_MM_WOODEN_BLOCK,
4458
4459   EL_MM_STEEL_GRID_FIXED_1,
4460   EL_MM_STEEL_GRID_FIXED_2,
4461   EL_MM_STEEL_GRID_FIXED_3,
4462   EL_MM_STEEL_GRID_FIXED_4,
4463
4464   EL_MM_WOODEN_GRID_FIXED_1,
4465   EL_MM_WOODEN_GRID_FIXED_2,
4466   EL_MM_WOODEN_GRID_FIXED_3,
4467   EL_MM_WOODEN_GRID_FIXED_4
4468 };
4469 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4470 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4471 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4472 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4473
4474 static int editor_hl_deflektor[] =
4475 {
4476   EL_INTERNAL_CASCADE_DF_ACTIVE,
4477   EL_CHAR('D'),
4478   EL_CHAR('F'),
4479   EL_EMPTY,
4480 };
4481
4482 static int editor_el_deflektor[] =
4483 {
4484   EL_DF_LASER_RIGHT,
4485   EL_DF_LASER_UP,
4486   EL_DF_LASER_LEFT,
4487   EL_DF_LASER_DOWN,
4488
4489   EL_DF_RECEIVER_RIGHT,
4490   EL_DF_RECEIVER_UP,
4491   EL_DF_RECEIVER_LEFT,
4492   EL_DF_RECEIVER_DOWN,
4493
4494   EL_DF_MIRROR_START,
4495   EL_DF_MIRROR_ROTATING_START,
4496   EL_DF_CELL,
4497   EL_DF_MINE,
4498
4499   EL_DF_FIBRE_OPTIC_RED_1,
4500   EL_DF_FIBRE_OPTIC_YELLOW_1,
4501   EL_DF_FIBRE_OPTIC_GREEN_1,
4502   EL_DF_FIBRE_OPTIC_BLUE_1,
4503
4504   EL_DF_STEEL_GRID_FIXED_START,
4505   EL_DF_STEEL_GRID_ROTATING_START,
4506   EL_DF_WOODEN_GRID_FIXED_START,
4507   EL_DF_WOODEN_GRID_ROTATING_START,
4508
4509   EL_DF_STEEL_WALL,
4510   EL_DF_WOODEN_WALL,
4511   EL_DF_REFRACTOR,
4512   EL_EMPTY
4513 };
4514 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4515 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4516 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4517 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4518
4519 static int editor_hl_chars[] =
4520 {
4521   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4522   EL_CHAR('T'),
4523   EL_CHAR('X'),
4524   EL_CHAR('T'),
4525 };
4526
4527 static int editor_el_chars[] =
4528 {
4529   EL_CHAR(' '),
4530   EL_CHAR('!'),
4531   EL_CHAR('"'),
4532   EL_CHAR('#'),
4533
4534   EL_CHAR('$'),
4535   EL_CHAR('%'),
4536   EL_CHAR('&'),
4537   EL_CHAR('\''),
4538
4539   EL_CHAR('('),
4540   EL_CHAR(')'),
4541   EL_CHAR('*'),
4542   EL_CHAR('+'),
4543
4544   EL_CHAR(','),
4545   EL_CHAR('-'),
4546   EL_CHAR('.'),
4547   EL_CHAR('/'),
4548
4549   EL_CHAR('0'),
4550   EL_CHAR('1'),
4551   EL_CHAR('2'),
4552   EL_CHAR('3'),
4553
4554   EL_CHAR('4'),
4555   EL_CHAR('5'),
4556   EL_CHAR('6'),
4557   EL_CHAR('7'),
4558
4559   EL_CHAR('8'),
4560   EL_CHAR('9'),
4561   EL_CHAR(':'),
4562   EL_CHAR(';'),
4563
4564   EL_CHAR('<'),
4565   EL_CHAR('='),
4566   EL_CHAR('>'),
4567   EL_CHAR('?'),
4568
4569   EL_CHAR('@'),
4570   EL_CHAR('A'),
4571   EL_CHAR('B'),
4572   EL_CHAR('C'),
4573
4574   EL_CHAR('D'),
4575   EL_CHAR('E'),
4576   EL_CHAR('F'),
4577   EL_CHAR('G'),
4578
4579   EL_CHAR('H'),
4580   EL_CHAR('I'),
4581   EL_CHAR('J'),
4582   EL_CHAR('K'),
4583
4584   EL_CHAR('L'),
4585   EL_CHAR('M'),
4586   EL_CHAR('N'),
4587   EL_CHAR('O'),
4588
4589   EL_CHAR('P'),
4590   EL_CHAR('Q'),
4591   EL_CHAR('R'),
4592   EL_CHAR('S'),
4593
4594   EL_CHAR('T'),
4595   EL_CHAR('U'),
4596   EL_CHAR('V'),
4597   EL_CHAR('W'),
4598
4599   EL_CHAR('X'),
4600   EL_CHAR('Y'),
4601   EL_CHAR('Z'),
4602   EL_CHAR('['),
4603
4604   EL_CHAR('\\'),
4605   EL_CHAR(']'),
4606   EL_CHAR('^'),
4607   EL_CHAR('_'),
4608
4609   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4610   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4611   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4612   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4613
4614   EL_CHAR(CHAR_BYTE_DEGREE),
4615   EL_CHAR(CHAR_BYTE_REGISTERED),
4616   EL_CHAR(FONT_ASCII_CURSOR),
4617   EL_CHAR(FONT_ASCII_BUTTON),
4618
4619   EL_CHAR(FONT_ASCII_UP),
4620   EL_CHAR(FONT_ASCII_DOWN),
4621   EL_CHAR(' '),
4622   EL_CHAR(' ')
4623 };
4624 static int *editor_hl_chars_ptr = editor_hl_chars;
4625 static int *editor_el_chars_ptr = editor_el_chars;
4626 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4627 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4628
4629 static int editor_hl_steel_chars[] =
4630 {
4631   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4632   EL_STEEL_CHAR('T'),
4633   EL_STEEL_CHAR('X'),
4634   EL_STEEL_CHAR('T'),
4635 };
4636
4637 static int editor_el_steel_chars[] =
4638 {
4639   EL_STEEL_CHAR(' '),
4640   EL_STEEL_CHAR('!'),
4641   EL_STEEL_CHAR('"'),
4642   EL_STEEL_CHAR('#'),
4643
4644   EL_STEEL_CHAR('$'),
4645   EL_STEEL_CHAR('%'),
4646   EL_STEEL_CHAR('&'),
4647   EL_STEEL_CHAR('\''),
4648
4649   EL_STEEL_CHAR('('),
4650   EL_STEEL_CHAR(')'),
4651   EL_STEEL_CHAR('*'),
4652   EL_STEEL_CHAR('+'),
4653
4654   EL_STEEL_CHAR(','),
4655   EL_STEEL_CHAR('-'),
4656   EL_STEEL_CHAR('.'),
4657   EL_STEEL_CHAR('/'),
4658
4659   EL_STEEL_CHAR('0'),
4660   EL_STEEL_CHAR('1'),
4661   EL_STEEL_CHAR('2'),
4662   EL_STEEL_CHAR('3'),
4663
4664   EL_STEEL_CHAR('4'),
4665   EL_STEEL_CHAR('5'),
4666   EL_STEEL_CHAR('6'),
4667   EL_STEEL_CHAR('7'),
4668
4669   EL_STEEL_CHAR('8'),
4670   EL_STEEL_CHAR('9'),
4671   EL_STEEL_CHAR(':'),
4672   EL_STEEL_CHAR(';'),
4673
4674   EL_STEEL_CHAR('<'),
4675   EL_STEEL_CHAR('='),
4676   EL_STEEL_CHAR('>'),
4677   EL_STEEL_CHAR('?'),
4678
4679   EL_STEEL_CHAR('@'),
4680   EL_STEEL_CHAR('A'),
4681   EL_STEEL_CHAR('B'),
4682   EL_STEEL_CHAR('C'),
4683
4684   EL_STEEL_CHAR('D'),
4685   EL_STEEL_CHAR('E'),
4686   EL_STEEL_CHAR('F'),
4687   EL_STEEL_CHAR('G'),
4688
4689   EL_STEEL_CHAR('H'),
4690   EL_STEEL_CHAR('I'),
4691   EL_STEEL_CHAR('J'),
4692   EL_STEEL_CHAR('K'),
4693
4694   EL_STEEL_CHAR('L'),
4695   EL_STEEL_CHAR('M'),
4696   EL_STEEL_CHAR('N'),
4697   EL_STEEL_CHAR('O'),
4698
4699   EL_STEEL_CHAR('P'),
4700   EL_STEEL_CHAR('Q'),
4701   EL_STEEL_CHAR('R'),
4702   EL_STEEL_CHAR('S'),
4703
4704   EL_STEEL_CHAR('T'),
4705   EL_STEEL_CHAR('U'),
4706   EL_STEEL_CHAR('V'),
4707   EL_STEEL_CHAR('W'),
4708
4709   EL_STEEL_CHAR('X'),
4710   EL_STEEL_CHAR('Y'),
4711   EL_STEEL_CHAR('Z'),
4712   EL_STEEL_CHAR('['),
4713
4714   EL_STEEL_CHAR('\\'),
4715   EL_STEEL_CHAR(']'),
4716   EL_STEEL_CHAR('^'),
4717   EL_STEEL_CHAR('_'),
4718
4719   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4720   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4721   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4722   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4723
4724   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4725   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4726   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4727   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4728
4729   EL_STEEL_CHAR(FONT_ASCII_UP),
4730   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4731   EL_STEEL_CHAR(' '),
4732   EL_STEEL_CHAR(' ')
4733 };
4734 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4735 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4736 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4737 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4738
4739 static int editor_hl_custom[] =
4740 {
4741   EL_INTERNAL_CASCADE_CE_ACTIVE,
4742   EL_CHAR('C'),
4743   EL_CHAR('E'),
4744   EL_EMPTY,
4745 };
4746
4747 static int editor_el_custom[] =
4748 {
4749   EL_CUSTOM_START + 0,
4750   EL_CUSTOM_START + 1,
4751   EL_CUSTOM_START + 2,
4752   EL_CUSTOM_START + 3,
4753
4754   EL_CUSTOM_START + 4,
4755   EL_CUSTOM_START + 5,
4756   EL_CUSTOM_START + 6,
4757   EL_CUSTOM_START + 7,
4758
4759   EL_CUSTOM_START + 8,
4760   EL_CUSTOM_START + 9,
4761   EL_CUSTOM_START + 10,
4762   EL_CUSTOM_START + 11,
4763
4764   EL_CUSTOM_START + 12,
4765   EL_CUSTOM_START + 13,
4766   EL_CUSTOM_START + 14,
4767   EL_CUSTOM_START + 15,
4768
4769   EL_CUSTOM_START + 16,
4770   EL_CUSTOM_START + 17,
4771   EL_CUSTOM_START + 18,
4772   EL_CUSTOM_START + 19,
4773
4774   EL_CUSTOM_START + 20,
4775   EL_CUSTOM_START + 21,
4776   EL_CUSTOM_START + 22,
4777   EL_CUSTOM_START + 23,
4778
4779   EL_CUSTOM_START + 24,
4780   EL_CUSTOM_START + 25,
4781   EL_CUSTOM_START + 26,
4782   EL_CUSTOM_START + 27,
4783
4784   EL_CUSTOM_START + 28,
4785   EL_CUSTOM_START + 29,
4786   EL_CUSTOM_START + 30,
4787   EL_CUSTOM_START + 31,
4788
4789   EL_CUSTOM_START + 32,
4790   EL_CUSTOM_START + 33,
4791   EL_CUSTOM_START + 34,
4792   EL_CUSTOM_START + 35,
4793
4794   EL_CUSTOM_START + 36,
4795   EL_CUSTOM_START + 37,
4796   EL_CUSTOM_START + 38,
4797   EL_CUSTOM_START + 39,
4798
4799   EL_CUSTOM_START + 40,
4800   EL_CUSTOM_START + 41,
4801   EL_CUSTOM_START + 42,
4802   EL_CUSTOM_START + 43,
4803
4804   EL_CUSTOM_START + 44,
4805   EL_CUSTOM_START + 45,
4806   EL_CUSTOM_START + 46,
4807   EL_CUSTOM_START + 47,
4808
4809   EL_CUSTOM_START + 48,
4810   EL_CUSTOM_START + 49,
4811   EL_CUSTOM_START + 50,
4812   EL_CUSTOM_START + 51,
4813
4814   EL_CUSTOM_START + 52,
4815   EL_CUSTOM_START + 53,
4816   EL_CUSTOM_START + 54,
4817   EL_CUSTOM_START + 55,
4818
4819   EL_CUSTOM_START + 56,
4820   EL_CUSTOM_START + 57,
4821   EL_CUSTOM_START + 58,
4822   EL_CUSTOM_START + 59,
4823
4824   EL_CUSTOM_START + 60,
4825   EL_CUSTOM_START + 61,
4826   EL_CUSTOM_START + 62,
4827   EL_CUSTOM_START + 63,
4828
4829   EL_CUSTOM_START + 64,
4830   EL_CUSTOM_START + 65,
4831   EL_CUSTOM_START + 66,
4832   EL_CUSTOM_START + 67,
4833
4834   EL_CUSTOM_START + 68,
4835   EL_CUSTOM_START + 69,
4836   EL_CUSTOM_START + 70,
4837   EL_CUSTOM_START + 71,
4838
4839   EL_CUSTOM_START + 72,
4840   EL_CUSTOM_START + 73,
4841   EL_CUSTOM_START + 74,
4842   EL_CUSTOM_START + 75,
4843
4844   EL_CUSTOM_START + 76,
4845   EL_CUSTOM_START + 77,
4846   EL_CUSTOM_START + 78,
4847   EL_CUSTOM_START + 79,
4848
4849   EL_CUSTOM_START + 80,
4850   EL_CUSTOM_START + 81,
4851   EL_CUSTOM_START + 82,
4852   EL_CUSTOM_START + 83,
4853
4854   EL_CUSTOM_START + 84,
4855   EL_CUSTOM_START + 85,
4856   EL_CUSTOM_START + 86,
4857   EL_CUSTOM_START + 87,
4858
4859   EL_CUSTOM_START + 88,
4860   EL_CUSTOM_START + 89,
4861   EL_CUSTOM_START + 90,
4862   EL_CUSTOM_START + 91,
4863
4864   EL_CUSTOM_START + 92,
4865   EL_CUSTOM_START + 93,
4866   EL_CUSTOM_START + 94,
4867   EL_CUSTOM_START + 95,
4868
4869   EL_CUSTOM_START + 96,
4870   EL_CUSTOM_START + 97,
4871   EL_CUSTOM_START + 98,
4872   EL_CUSTOM_START + 99,
4873
4874   EL_CUSTOM_START + 100,
4875   EL_CUSTOM_START + 101,
4876   EL_CUSTOM_START + 102,
4877   EL_CUSTOM_START + 103,
4878
4879   EL_CUSTOM_START + 104,
4880   EL_CUSTOM_START + 105,
4881   EL_CUSTOM_START + 106,
4882   EL_CUSTOM_START + 107,
4883
4884   EL_CUSTOM_START + 108,
4885   EL_CUSTOM_START + 109,
4886   EL_CUSTOM_START + 110,
4887   EL_CUSTOM_START + 111,
4888
4889   EL_CUSTOM_START + 112,
4890   EL_CUSTOM_START + 113,
4891   EL_CUSTOM_START + 114,
4892   EL_CUSTOM_START + 115,
4893
4894   EL_CUSTOM_START + 116,
4895   EL_CUSTOM_START + 117,
4896   EL_CUSTOM_START + 118,
4897   EL_CUSTOM_START + 119,
4898
4899   EL_CUSTOM_START + 120,
4900   EL_CUSTOM_START + 121,
4901   EL_CUSTOM_START + 122,
4902   EL_CUSTOM_START + 123,
4903
4904   EL_CUSTOM_START + 124,
4905   EL_CUSTOM_START + 125,
4906   EL_CUSTOM_START + 126,
4907   EL_CUSTOM_START + 127,
4908
4909   EL_CUSTOM_START + 128,
4910   EL_CUSTOM_START + 129,
4911   EL_CUSTOM_START + 130,
4912   EL_CUSTOM_START + 131,
4913
4914   EL_CUSTOM_START + 132,
4915   EL_CUSTOM_START + 133,
4916   EL_CUSTOM_START + 134,
4917   EL_CUSTOM_START + 135,
4918
4919   EL_CUSTOM_START + 136,
4920   EL_CUSTOM_START + 137,
4921   EL_CUSTOM_START + 138,
4922   EL_CUSTOM_START + 139,
4923
4924   EL_CUSTOM_START + 140,
4925   EL_CUSTOM_START + 141,
4926   EL_CUSTOM_START + 142,
4927   EL_CUSTOM_START + 143,
4928
4929   EL_CUSTOM_START + 144,
4930   EL_CUSTOM_START + 145,
4931   EL_CUSTOM_START + 146,
4932   EL_CUSTOM_START + 147,
4933
4934   EL_CUSTOM_START + 148,
4935   EL_CUSTOM_START + 149,
4936   EL_CUSTOM_START + 150,
4937   EL_CUSTOM_START + 151,
4938
4939   EL_CUSTOM_START + 152,
4940   EL_CUSTOM_START + 153,
4941   EL_CUSTOM_START + 154,
4942   EL_CUSTOM_START + 155,
4943
4944   EL_CUSTOM_START + 156,
4945   EL_CUSTOM_START + 157,
4946   EL_CUSTOM_START + 158,
4947   EL_CUSTOM_START + 159,
4948
4949   EL_CUSTOM_START + 160,
4950   EL_CUSTOM_START + 161,
4951   EL_CUSTOM_START + 162,
4952   EL_CUSTOM_START + 163,
4953
4954   EL_CUSTOM_START + 164,
4955   EL_CUSTOM_START + 165,
4956   EL_CUSTOM_START + 166,
4957   EL_CUSTOM_START + 167,
4958
4959   EL_CUSTOM_START + 168,
4960   EL_CUSTOM_START + 169,
4961   EL_CUSTOM_START + 170,
4962   EL_CUSTOM_START + 171,
4963
4964   EL_CUSTOM_START + 172,
4965   EL_CUSTOM_START + 173,
4966   EL_CUSTOM_START + 174,
4967   EL_CUSTOM_START + 175,
4968
4969   EL_CUSTOM_START + 176,
4970   EL_CUSTOM_START + 177,
4971   EL_CUSTOM_START + 178,
4972   EL_CUSTOM_START + 179,
4973
4974   EL_CUSTOM_START + 180,
4975   EL_CUSTOM_START + 181,
4976   EL_CUSTOM_START + 182,
4977   EL_CUSTOM_START + 183,
4978
4979   EL_CUSTOM_START + 184,
4980   EL_CUSTOM_START + 185,
4981   EL_CUSTOM_START + 186,
4982   EL_CUSTOM_START + 187,
4983
4984   EL_CUSTOM_START + 188,
4985   EL_CUSTOM_START + 189,
4986   EL_CUSTOM_START + 190,
4987   EL_CUSTOM_START + 191,
4988
4989   EL_CUSTOM_START + 192,
4990   EL_CUSTOM_START + 193,
4991   EL_CUSTOM_START + 194,
4992   EL_CUSTOM_START + 195,
4993
4994   EL_CUSTOM_START + 196,
4995   EL_CUSTOM_START + 197,
4996   EL_CUSTOM_START + 198,
4997   EL_CUSTOM_START + 199,
4998
4999   EL_CUSTOM_START + 200,
5000   EL_CUSTOM_START + 201,
5001   EL_CUSTOM_START + 202,
5002   EL_CUSTOM_START + 203,
5003
5004   EL_CUSTOM_START + 204,
5005   EL_CUSTOM_START + 205,
5006   EL_CUSTOM_START + 206,
5007   EL_CUSTOM_START + 207,
5008
5009   EL_CUSTOM_START + 208,
5010   EL_CUSTOM_START + 209,
5011   EL_CUSTOM_START + 210,
5012   EL_CUSTOM_START + 211,
5013
5014   EL_CUSTOM_START + 212,
5015   EL_CUSTOM_START + 213,
5016   EL_CUSTOM_START + 214,
5017   EL_CUSTOM_START + 215,
5018
5019   EL_CUSTOM_START + 216,
5020   EL_CUSTOM_START + 217,
5021   EL_CUSTOM_START + 218,
5022   EL_CUSTOM_START + 219,
5023
5024   EL_CUSTOM_START + 220,
5025   EL_CUSTOM_START + 221,
5026   EL_CUSTOM_START + 222,
5027   EL_CUSTOM_START + 223,
5028
5029   EL_CUSTOM_START + 224,
5030   EL_CUSTOM_START + 225,
5031   EL_CUSTOM_START + 226,
5032   EL_CUSTOM_START + 227,
5033
5034   EL_CUSTOM_START + 228,
5035   EL_CUSTOM_START + 229,
5036   EL_CUSTOM_START + 230,
5037   EL_CUSTOM_START + 231,
5038
5039   EL_CUSTOM_START + 232,
5040   EL_CUSTOM_START + 233,
5041   EL_CUSTOM_START + 234,
5042   EL_CUSTOM_START + 235,
5043
5044   EL_CUSTOM_START + 236,
5045   EL_CUSTOM_START + 237,
5046   EL_CUSTOM_START + 238,
5047   EL_CUSTOM_START + 239,
5048
5049   EL_CUSTOM_START + 240,
5050   EL_CUSTOM_START + 241,
5051   EL_CUSTOM_START + 242,
5052   EL_CUSTOM_START + 243,
5053
5054   EL_CUSTOM_START + 244,
5055   EL_CUSTOM_START + 245,
5056   EL_CUSTOM_START + 246,
5057   EL_CUSTOM_START + 247,
5058
5059   EL_CUSTOM_START + 248,
5060   EL_CUSTOM_START + 249,
5061   EL_CUSTOM_START + 250,
5062   EL_CUSTOM_START + 251,
5063
5064   EL_CUSTOM_START + 252,
5065   EL_CUSTOM_START + 253,
5066   EL_CUSTOM_START + 254,
5067   EL_CUSTOM_START + 255
5068 };
5069 static int *editor_hl_custom_ptr = editor_hl_custom;
5070 static int *editor_el_custom_ptr = editor_el_custom;
5071 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5072 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5073
5074 static int editor_hl_group[] =
5075 {
5076   EL_INTERNAL_CASCADE_GE_ACTIVE,
5077   EL_CHAR('G'),
5078   EL_CHAR('E'),
5079   EL_EMPTY,
5080 };
5081
5082 static int editor_el_group[] =
5083 {
5084   EL_GROUP_START + 0,
5085   EL_GROUP_START + 1,
5086   EL_GROUP_START + 2,
5087   EL_GROUP_START + 3,
5088
5089   EL_GROUP_START + 4,
5090   EL_GROUP_START + 5,
5091   EL_GROUP_START + 6,
5092   EL_GROUP_START + 7,
5093
5094   EL_GROUP_START + 8,
5095   EL_GROUP_START + 9,
5096   EL_GROUP_START + 10,
5097   EL_GROUP_START + 11,
5098
5099   EL_GROUP_START + 12,
5100   EL_GROUP_START + 13,
5101   EL_GROUP_START + 14,
5102   EL_GROUP_START + 15,
5103
5104   EL_GROUP_START + 16,
5105   EL_GROUP_START + 17,
5106   EL_GROUP_START + 18,
5107   EL_GROUP_START + 19,
5108
5109   EL_GROUP_START + 20,
5110   EL_GROUP_START + 21,
5111   EL_GROUP_START + 22,
5112   EL_GROUP_START + 23,
5113
5114   EL_GROUP_START + 24,
5115   EL_GROUP_START + 25,
5116   EL_GROUP_START + 26,
5117   EL_GROUP_START + 27,
5118
5119   EL_GROUP_START + 28,
5120   EL_GROUP_START + 29,
5121   EL_GROUP_START + 30,
5122   EL_GROUP_START + 31
5123 };
5124 static int *editor_hl_group_ptr = editor_hl_group;
5125 static int *editor_el_group_ptr = editor_el_group;
5126 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5127 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5128
5129 static int editor_hl_reference[] =
5130 {
5131   EL_INTERNAL_CASCADE_REF_ACTIVE,
5132   EL_CHAR('R'),
5133   EL_CHAR('E'),
5134   EL_CHAR('F')
5135 };
5136
5137 static int editor_el_reference[] =
5138 {
5139   EL_TRIGGER_PLAYER,
5140   EL_TRIGGER_ELEMENT,
5141   EL_TRIGGER_CE_VALUE,
5142   EL_TRIGGER_CE_SCORE,
5143
5144   EL_SELF,
5145   EL_ANY_ELEMENT,
5146   EL_CURRENT_CE_VALUE,
5147   EL_CURRENT_CE_SCORE,
5148
5149   EL_PREV_CE_8,
5150   EL_PREV_CE_7,
5151   EL_PREV_CE_6,
5152   EL_PREV_CE_5,
5153
5154   EL_PREV_CE_4,
5155   EL_PREV_CE_3,
5156   EL_PREV_CE_2,
5157   EL_PREV_CE_1,
5158
5159   EL_NEXT_CE_1,
5160   EL_NEXT_CE_2,
5161   EL_NEXT_CE_3,
5162   EL_NEXT_CE_4,
5163
5164   EL_NEXT_CE_5,
5165   EL_NEXT_CE_6,
5166   EL_NEXT_CE_7,
5167   EL_NEXT_CE_8,
5168 };
5169 static int *editor_hl_reference_ptr = editor_hl_reference;
5170 static int *editor_el_reference_ptr = editor_el_reference;
5171 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5172 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5173
5174 static int editor_hl_user_defined[] =
5175 {
5176   EL_INTERNAL_CASCADE_USER_ACTIVE,
5177   EL_CHAR('M'),
5178   EL_CHAR('Y'),
5179   EL_EMPTY,
5180 };
5181
5182 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5183 static int *editor_el_user_defined_ptr = NULL;
5184 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5185 static int num_editor_el_user_defined = 0;
5186
5187 static int editor_hl_dynamic[] =
5188 {
5189   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5190   EL_CHAR('U'),
5191   EL_CHAR('S'),
5192   EL_CHAR('E'),
5193 };
5194
5195 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5196 static int *editor_el_dynamic_ptr = NULL;
5197 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5198 static int num_editor_el_dynamic = 0;
5199
5200 static int editor_hl_empty[] = { EL_EMPTY };
5201 static int *editor_el_empty = NULL;     /* dynamically allocated */
5202
5203 static int *editor_hl_empty_ptr = editor_hl_empty;
5204 static int *editor_el_empty_ptr = NULL;
5205 static int num_editor_hl_empty = 0;
5206 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5207
5208 static boolean use_el_empty = FALSE;
5209
5210 static int *editor_elements = NULL;     /* dynamically allocated */
5211 static int num_editor_elements = 0;     /* dynamically determined */
5212
5213 static boolean setup_editor_cascade_never = FALSE;
5214
5215 static boolean setup_editor_el_players                  = TRUE;
5216 static boolean setup_editor_el_boulderdash              = TRUE;
5217 static boolean setup_editor_el_emerald_mine             = TRUE;
5218 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5219 static boolean setup_editor_el_more                     = TRUE;
5220 static boolean setup_editor_el_sokoban                  = TRUE;
5221 static boolean setup_editor_el_supaplex                 = TRUE;
5222 static boolean setup_editor_el_diamond_caves            = TRUE;
5223 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5224 static boolean setup_editor_el_mirror_magic             = TRUE;
5225 static boolean setup_editor_el_deflektor                = TRUE;
5226 static boolean setup_editor_el_chars                    = TRUE;
5227 static boolean setup_editor_el_steel_chars              = TRUE;
5228 static boolean setup_editor_el_custom                   = TRUE;
5229 static boolean setup_editor_el_user_defined             = TRUE;
5230 static boolean setup_editor_el_dynamic                  = TRUE;
5231
5232 static int editor_hl_unused[] = { EL_EMPTY };
5233 static int *editor_hl_unused_ptr = editor_hl_unused;
5234 static int num_editor_hl_unused = 0;
5235
5236 static struct
5237 {
5238   boolean *setup_value;
5239   boolean *setup_cascade_value;
5240
5241   int **headline_list;
5242   int *headline_list_size;
5243
5244   int **element_list;
5245   int *element_list_size;
5246
5247   boolean last_setup_value;
5248 }
5249 editor_elements_info[] =
5250 {
5251   {
5252     &setup_editor_el_players,
5253     &setup_editor_cascade_never,
5254     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5255     &editor_el_players_ptr,             &num_editor_el_players
5256   },
5257   {
5258     &setup_editor_el_boulderdash,
5259     &setup.editor_cascade.el_bd,
5260     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5261     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5262   },
5263   {
5264     &setup_editor_el_emerald_mine,
5265     &setup.editor_cascade.el_em,
5266     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5267     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5268   },
5269   {
5270     &setup_editor_el_emerald_mine_club,
5271     &setup.editor_cascade.el_emc,
5272     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5273     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5274   },
5275   {
5276     &setup_editor_el_more,
5277     &setup.editor_cascade.el_rnd,
5278     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5279     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5280   },
5281   {
5282     &setup_editor_el_sokoban,
5283     &setup.editor_cascade.el_sb,
5284     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5285     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5286   },
5287   {
5288     &setup_editor_el_supaplex,
5289     &setup.editor_cascade.el_sp,
5290     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5291     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5292   },
5293   {
5294     &setup_editor_el_diamond_caves,
5295     &setup.editor_cascade.el_dc,
5296     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5297     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5298   },
5299   {
5300     &setup_editor_el_dx_boulderdash,
5301     &setup.editor_cascade.el_dx,
5302     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5303     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5304   },
5305   {
5306     &setup_editor_el_mirror_magic,
5307     &setup.editor_cascade.el_mm,
5308     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5309     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5310   },
5311   {
5312     &setup_editor_el_deflektor,
5313     &setup.editor_cascade.el_df,
5314     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5315     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5316   },
5317   {
5318     &setup_editor_el_chars,
5319     &setup.editor_cascade.el_chars,
5320     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5321     &editor_el_chars_ptr,               &num_editor_el_chars
5322   },
5323   {
5324     &setup_editor_el_steel_chars,
5325     &setup.editor_cascade.el_steel_chars,
5326     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5327     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5328   },
5329   {
5330     &setup_editor_el_custom,
5331     &setup.editor_cascade.el_ce,
5332     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5333     &editor_el_custom_ptr,              &num_editor_el_custom
5334   },
5335   {
5336     &setup_editor_el_custom,
5337     &setup.editor_cascade.el_ge,
5338     &editor_hl_group_ptr,               &num_editor_hl_group,
5339     &editor_el_group_ptr,               &num_editor_el_group
5340   },
5341   {
5342     &setup_editor_el_custom,
5343     &setup.editor_cascade.el_ref,
5344     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5345     &editor_el_reference_ptr,           &num_editor_el_reference
5346   },
5347   {
5348     &setup_editor_el_user_defined,
5349     &setup.editor_cascade.el_user,
5350     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5351     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5352   },
5353   {
5354     &setup_editor_el_dynamic,
5355     &setup.editor_cascade.el_dynamic,
5356     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5357     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5358   },
5359   {
5360     &use_el_empty,
5361     &use_el_empty,
5362     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5363     &editor_el_empty_ptr,               &num_editor_el_empty,
5364   },
5365   {
5366     NULL,
5367     NULL,
5368     NULL,                               NULL,
5369     NULL,                               NULL
5370   }
5371 };
5372
5373
5374 /*
5375   -----------------------------------------------------------------------------
5376   functions
5377   -----------------------------------------------------------------------------
5378 */
5379
5380 static int getMaxInfoTextLength()
5381 {
5382   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5383 }
5384
5385 static int getTextWidthForGadget(char *text)
5386 {
5387   if (text == NULL)
5388     return 0;
5389
5390   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5391 }
5392
5393 static int getTextWidthForDrawingArea(char *text)
5394 {
5395   if (text == NULL)
5396     return 0;
5397
5398   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5399 }
5400
5401 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5402 {
5403   return (gi->x + gi->width + getTextWidthForGadget(text));
5404 }
5405
5406 static char *getElementInfoText(int element)
5407 {
5408   char *info_text = NULL;
5409
5410   if (element < MAX_NUM_ELEMENTS)
5411   {
5412     if (strlen(element_info[element].description) > 0)
5413       info_text = element_info[element].description;
5414     else if (element_info[element].custom_description != NULL)
5415       info_text = element_info[element].custom_description;
5416     else if (element_info[element].editor_description != NULL)
5417       info_text = element_info[element].editor_description;
5418   }
5419
5420   if (info_text == NULL)
5421     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5422
5423   return info_text;
5424 }
5425
5426 static char *getElementDescriptionFilenameExt(char *basename)
5427 {
5428   char *elements_subdir = "elements";
5429   static char *elements_subdir2 = NULL;
5430   static char *filename = NULL;
5431
5432   if (elements_subdir2 == NULL)
5433     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5434
5435   checked_free(filename);
5436
5437   /* 1st try: look for element description in current level set directory */
5438   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5439   if (fileExists(filename))
5440     return filename;
5441
5442   free(filename);
5443
5444   /* 2nd try: look for element description in the game's base directory */
5445   filename = getPath3(options.docs_directory, elements_subdir, basename);
5446   if (fileExists(filename))
5447     return filename;
5448
5449   return NULL;
5450 }
5451
5452 char *getElementDescriptionFilename(int element)
5453 {
5454   char basename[MAX_FILENAME_LEN];
5455   char *filename;
5456
5457   /* 1st try: look for element description file for exactly this element */
5458   sprintf(basename, "%s.txt", element_info[element].token_name);
5459   filename = getElementDescriptionFilenameExt(basename);
5460   if (filename != NULL)
5461     return filename;
5462
5463   /* 2nd try: look for element description file for this element's class */
5464   sprintf(basename, "%s.txt", element_info[element].class_name);
5465   filename = getElementDescriptionFilenameExt(basename);
5466   if (filename != NULL)
5467     return filename;
5468
5469   return NULL;
5470 }
5471
5472 static boolean suppressBorderElement()
5473 {
5474   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5475           lev_fieldx <= MAX_ED_FIELDX &&
5476           lev_fieldy <= MAX_ED_FIELDY);
5477 }
5478
5479 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5480 {
5481   boolean element_found[NUM_FILE_ELEMENTS];
5482   int i, x, y;
5483
5484   /* initialize list of used elements to "not used" */
5485   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5486     element_found[i] = FALSE;
5487
5488   /* find all elements used in current level */
5489   for (y = 0; y < lev_fieldy; y++)
5490     for (x = 0; x < lev_fieldx; x++)
5491       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5492         element_found[Feld[x][y]] = TRUE;
5493
5494   *num_elements = 0;
5495
5496   /* count number of elements used in current level */
5497   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5498     if (element_found[i])
5499       (*num_elements)++;
5500
5501   /* add space for up to 3 more elements for padding that may be needed */
5502   *num_elements += 3;
5503
5504   /* free memory for old list of elements, if needed */
5505   checked_free(*elements);
5506
5507   /* allocate memory for new list of elements */
5508   *elements = checked_malloc(*num_elements * sizeof(int));
5509
5510   *num_elements = 0;
5511
5512   /* add all elements used in current level (non-custom/group elements) */
5513   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5514     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5515       (*elements)[(*num_elements)++] = i;
5516
5517   /* add all elements used in current level (custom/group elements) */
5518   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5519     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5520       (*elements)[(*num_elements)++] = i;
5521
5522   while (*num_elements % 4)     /* pad with empty elements, if needed */
5523     (*elements)[(*num_elements)++] = EL_EMPTY;
5524 }
5525
5526 static void ReinitializeElementList_EnableSections()
5527 {
5528   /* default: enable all element sections */
5529
5530   setup_editor_el_players               = TRUE;
5531   setup_editor_el_boulderdash           = TRUE;
5532   setup_editor_el_emerald_mine          = TRUE;
5533   setup_editor_el_emerald_mine_club     = TRUE;
5534   setup_editor_el_more                  = TRUE;
5535   setup_editor_el_sokoban               = TRUE;
5536   setup_editor_el_supaplex              = TRUE;
5537   setup_editor_el_diamond_caves         = TRUE;
5538   setup_editor_el_dx_boulderdash        = TRUE;
5539   setup_editor_el_mirror_magic          = TRUE;
5540   setup_editor_el_deflektor             = TRUE;
5541   setup_editor_el_chars                 = TRUE;
5542   setup_editor_el_steel_chars           = TRUE;
5543
5544   setup_editor_el_custom                = TRUE;
5545   setup_editor_el_user_defined          = TRUE;
5546   setup_editor_el_dynamic               = TRUE;
5547
5548   /* now disable all element sections not to be displayed */
5549
5550   if (!setup.editor.el_classic)
5551   {
5552     setup_editor_el_players             = FALSE;
5553     setup_editor_el_boulderdash         = FALSE;
5554     setup_editor_el_emerald_mine        = FALSE;
5555     setup_editor_el_emerald_mine_club   = FALSE;
5556     setup_editor_el_more                = FALSE;
5557     setup_editor_el_sokoban             = FALSE;
5558     setup_editor_el_supaplex            = FALSE;
5559     setup_editor_el_diamond_caves       = FALSE;
5560     setup_editor_el_dx_boulderdash      = FALSE;
5561     setup_editor_el_mirror_magic        = FALSE;
5562     setup_editor_el_deflektor           = FALSE;
5563     setup_editor_el_chars               = FALSE;
5564     setup_editor_el_steel_chars         = FALSE;
5565   }
5566
5567   if (!setup.editor.el_custom)
5568   {
5569     setup_editor_el_custom              = FALSE;
5570   }
5571
5572   if (!setup.editor.el_user_defined)
5573   {
5574     setup_editor_el_user_defined        = FALSE;
5575   }
5576
5577   if (!setup.editor.el_dynamic)
5578   {
5579     setup_editor_el_dynamic             = FALSE;
5580   }
5581
5582   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5583   {
5584     setup_editor_el_mirror_magic        = FALSE;
5585     setup_editor_el_deflektor           = FALSE;
5586   }
5587   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5588   {
5589     setup_editor_el_boulderdash         = FALSE;
5590     setup_editor_el_more                = FALSE;
5591     setup_editor_el_sokoban             = FALSE;
5592     setup_editor_el_supaplex            = FALSE;
5593     setup_editor_el_diamond_caves       = FALSE;
5594     setup_editor_el_dx_boulderdash      = FALSE;
5595     setup_editor_el_mirror_magic        = FALSE;
5596     setup_editor_el_deflektor           = FALSE;
5597     setup_editor_el_steel_chars         = FALSE;
5598
5599     setup_editor_el_custom              = FALSE;
5600   }
5601   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5602   {
5603     setup_editor_el_players             = FALSE;
5604     setup_editor_el_boulderdash         = FALSE;
5605     setup_editor_el_emerald_mine        = FALSE;
5606     setup_editor_el_emerald_mine_club   = FALSE;
5607     setup_editor_el_more                = FALSE;
5608     setup_editor_el_sokoban             = FALSE;
5609     setup_editor_el_diamond_caves       = FALSE;
5610     setup_editor_el_dx_boulderdash      = FALSE;
5611     setup_editor_el_mirror_magic        = FALSE;
5612     setup_editor_el_deflektor           = FALSE;
5613     setup_editor_el_chars               = FALSE;
5614     setup_editor_el_steel_chars         = FALSE;
5615
5616     setup_editor_el_custom              = FALSE;
5617   }
5618   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5619   {
5620     setup_editor_el_players             = FALSE;
5621     setup_editor_el_boulderdash         = FALSE;
5622     setup_editor_el_emerald_mine        = FALSE;
5623     setup_editor_el_emerald_mine_club   = FALSE;
5624     setup_editor_el_more                = FALSE;
5625     setup_editor_el_sokoban             = FALSE;
5626     setup_editor_el_supaplex            = FALSE;
5627     setup_editor_el_diamond_caves       = FALSE;
5628     setup_editor_el_dx_boulderdash      = FALSE;
5629     setup_editor_el_steel_chars         = FALSE;
5630
5631     setup_editor_el_custom              = FALSE;
5632   }
5633 }
5634
5635 static void ReinitializeElementList()
5636 {
5637   static boolean initialization_needed = TRUE;
5638   int pos = 0;
5639   int i, j;
5640
5641   ReinitializeElementList_EnableSections();
5642
5643   if (initialization_needed)
5644   {
5645     LoadSetup_EditorCascade();          /* load last editor cascade state */
5646
5647     /* initialize editor cascade element from saved cascade state */
5648     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5649     {
5650       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5651       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5652
5653       if (IS_EDITOR_CASCADE(*cascade_element))
5654         *cascade_element =
5655           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5656            EL_CASCADE_INACTIVE(*cascade_element));
5657     }
5658
5659     initialization_needed = FALSE;
5660   }
5661
5662   checked_free(editor_elements);
5663
5664   /* reload optional user defined element list for each invocation of editor */
5665   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5666                                    &num_editor_el_user_defined);
5667
5668   /* initialize dynamic level element list for each invocation of editor */
5669   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5670                                &num_editor_el_dynamic);
5671
5672   /* initialize list of empty elements (used for padding, if needed) */
5673   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5674     editor_el_empty[i] = EL_EMPTY;
5675
5676   /* do some sanity checks for each element from element list */
5677   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5678   {
5679     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5680     {
5681       int element = (*editor_elements_info[i].element_list)[j];
5682
5683       if (element >= NUM_FILE_ELEMENTS)
5684         Error(ERR_WARN, "editor element %d is runtime element", element);
5685
5686       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5687         Error(ERR_WARN, "no element description text for element %d", element);
5688     }
5689   }
5690
5691   num_editor_elements = 0;
5692   use_el_empty = FALSE;
5693
5694   /* determine size of element list */
5695   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5696   {
5697     boolean found_inactive_cascade = FALSE;
5698
5699     if (*editor_elements_info[i].setup_value)
5700     {
5701       if (setup.editor.el_headlines)
5702       {
5703         // required for correct padding of palette headline buttons
5704         if (*editor_elements_info[i].headline_list_size > 0)
5705           num_editor_elements += editor.palette.cols;
5706
5707         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5708         {
5709           int element = (*editor_elements_info[i].headline_list)[j];
5710
5711           if (IS_EDITOR_CASCADE_INACTIVE(element))
5712             found_inactive_cascade = TRUE;
5713         }
5714       }
5715
5716       if (found_inactive_cascade)
5717         continue;
5718
5719       // required for correct padding of palette element buttons
5720       int element_list_size = *editor_elements_info[i].element_list_size;
5721       int element_rows =
5722         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5723       int element_buttons = editor.palette.cols * element_rows;
5724
5725       num_editor_elements += element_buttons;
5726     }
5727   }
5728
5729   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5730   {
5731     /* offer at least as many elements as element buttons exist */
5732     use_el_empty = TRUE;
5733     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5734
5735     num_editor_elements += num_editor_el_empty;
5736   }
5737   else
5738   {
5739     num_editor_el_empty = 0;
5740   }
5741
5742   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5743
5744   /* fill element list */
5745   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5746   {
5747     boolean found_inactive_cascade = FALSE;
5748
5749     if (*editor_elements_info[i].setup_value)
5750     {
5751       if (setup.editor.el_headlines)
5752       {
5753         // required for correct padding of palette headline buttons
5754         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5755                              editor.palette.cols : 0);
5756
5757         for (j = 0; j < headline_size; j++)
5758         {
5759           // use empty elements for padding of palette headline buttons
5760           int element = (j < *editor_elements_info[i].headline_list_size ?
5761                          (*editor_elements_info[i].headline_list)[j] :
5762                          editor_el_empty[0]);
5763
5764           editor_elements[pos++] = element;
5765
5766           if (IS_EDITOR_CASCADE_INACTIVE(element))
5767             found_inactive_cascade = TRUE;
5768         }
5769       }
5770
5771       if (found_inactive_cascade)
5772         continue;
5773
5774       // required for correct padding of palette element buttons
5775       int element_list_size = *editor_elements_info[i].element_list_size;
5776       int element_rows =
5777         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5778       int element_buttons = editor.palette.cols * element_rows;
5779
5780       // copy all elements from element list
5781       for (j = 0; j < element_list_size; j++)
5782         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5783
5784       // use empty elements for padding of palette element buttons
5785       for (j = 0; j < element_buttons - element_list_size; j++)
5786         editor_elements[pos++] = editor_el_empty[0];
5787     }
5788   }
5789
5790   /* (this function is also called before editor gadgets are initialized!) */
5791   AdjustElementListScrollbar();
5792 }
5793
5794 void PrintEditorElementList()
5795 {
5796   boolean *stop = &setup_editor_el_user_defined;
5797   int i, j;
5798
5799   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5800   {
5801     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5802
5803     if (IS_EDITOR_CASCADE(cascade_element))
5804     {
5805       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5806       char *headline = element_info[cascade_element_show].editor_description;
5807
5808       PrintLineWithPrefix("# ", "-", 77);
5809       Print("# %s\n", headline);
5810       PrintLineWithPrefix("# ", "-", 77);
5811     }
5812
5813     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5814     {
5815       int element = (*editor_elements_info[i].headline_list)[j];
5816
5817       if (IS_EDITOR_CASCADE(element))
5818         element = EL_CHAR_MINUS;
5819
5820       Print("# %s\n", element_info[element].token_name);
5821     }
5822
5823     if (j > 0)
5824       Print("#\n");
5825
5826     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5827     {
5828       int element = (*editor_elements_info[i].element_list)[j];
5829
5830       Print("# %s\n", element_info[element].token_name);
5831     }
5832
5833     if (j > 0)
5834       Print("#\n");
5835   }
5836 }
5837
5838 static void ReinitializeElementListButtons()
5839 {
5840   static boolean last_setup_value_headlines = FALSE;
5841   static boolean initialization_needed = TRUE;
5842   int i;
5843
5844   if (!initialization_needed)   /* check if editor element setup has changed */
5845   {
5846     if (last_setup_value_headlines != setup.editor.el_headlines)
5847       initialization_needed = TRUE;
5848
5849     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5850       if (editor_elements_info[i].last_setup_value !=
5851           *editor_elements_info[i].setup_value)
5852         initialization_needed = TRUE;
5853   }
5854
5855   if (!initialization_needed)
5856     return;
5857
5858   FreeLevelEditorGadgets();
5859   CreateLevelEditorGadgets();
5860
5861   /* store current setup values for next invocation of this function */
5862   last_setup_value_headlines = setup.editor.el_headlines;
5863   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5864     editor_elements_info[i].last_setup_value =
5865       *editor_elements_info[i].setup_value;
5866
5867   initialization_needed = FALSE;
5868 }
5869
5870 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5871                               boolean input)
5872 {
5873   int border_graphic =
5874     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5875   struct GraphicInfo *g = &graphic_info[border_graphic];
5876   Bitmap *src_bitmap = g->bitmap;
5877   int src_x = g->src_x;
5878   int src_y = g->src_y;
5879   int border_size = g->border_size;
5880   int border_xpos = g->width  - border_size;
5881   int border_ypos = g->height - border_size;
5882   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5883   int i;
5884
5885   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5886              border_size, border_size,
5887              dest_x - border_size, dest_y - border_size);
5888   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5889              border_size, border_size,
5890              dest_x + width, dest_y - border_size);
5891   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5892              border_size, border_size,
5893              dest_x - border_size, dest_y + height);
5894   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5895              border_size, border_size,
5896              dest_x + width, dest_y + height);
5897
5898   for (i = 0; i < width / tilesize; i++)
5899   {
5900     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5901                tilesize, border_size,
5902                dest_x + i * tilesize, dest_y - border_size);
5903     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5904                tilesize, border_size,
5905                dest_x + i * tilesize, dest_y + height);
5906   }
5907
5908   for (i = 0; i < height / tilesize; i++)
5909   {
5910     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5911                border_size, tilesize,
5912                dest_x - border_size, dest_y + i * tilesize);
5913     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5914                border_size, tilesize,
5915                dest_x + width, dest_y + i * tilesize);
5916   }
5917
5918   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5919 }
5920
5921 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5922 {
5923   int xsize_tile = MAX(ed_tilesize, xsize);
5924   int ysize_tile = MAX(ed_tilesize, ysize);
5925   int xsize_full = xsize + 1;
5926   int ysize_full = ysize + 1;
5927   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5928   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5929   Pixel line_color = getTabulatorBarColor();
5930
5931   if (line_color == BLACK_PIXEL)                /* black => transparent */
5932     return;
5933
5934   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5935   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5936   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5937 }
5938
5939 static void DrawEditorLevelBorderLinesIfNeeded()
5940 {
5941   int xsize = lev_fieldx * ed_tilesize;
5942   int ysize = lev_fieldy * ed_tilesize;
5943   int line_size = getTabulatorBarHeight();
5944
5945   if (!suppressBorderElement())
5946     return;
5947
5948   /* draw little border line around editable level playfield */
5949
5950   if (xsize < SXSIZE)
5951     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
5952
5953   if (ysize < SYSIZE)
5954     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
5955
5956   if (xsize < SXSIZE && ysize < SYSIZE)
5957     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
5958 }
5959
5960 static void DrawEditorElement(int x, int y, int element)
5961 {
5962   DrawSizedElement(x, y, element, ed_tilesize);
5963 }
5964
5965 static void DrawEditorElementThruMask(int x, int y, int element)
5966 {
5967   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5968 }
5969
5970 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5971 {
5972   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5973 }
5974
5975 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5976 {
5977   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5978   DrawEditorLevelBorderLinesIfNeeded();
5979 }
5980
5981 static void DrawDrawingArea(int id)
5982 {
5983   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5984   int x, y;
5985
5986   int *value = drawingarea_info[id].value;
5987   int area_xsize = drawingarea_info[id].area_xsize;
5988   int area_ysize = drawingarea_info[id].area_ysize;
5989   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5990
5991   for (x = 0; x < area_xsize; x++)
5992     for (y = 0; y < area_ysize; y++)
5993       DrawSizedGraphicExt(drawto,
5994                           gi->x + x * tilesize,
5995                           gi->y + y * tilesize,
5996                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5997 }
5998
5999 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6000 {
6001   int x, y;
6002   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6003   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6004
6005   BlitBitmap(drawto, drawto,
6006              SX + (dx == -1 ? ed_tilesize : 0),
6007              SY + (dy == -1 ? ed_tilesize : 0),
6008              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6009              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6010              SX + (dx == +1 ? ed_tilesize : 0),
6011              SY + (dy == +1 ? ed_tilesize : 0));
6012
6013   if (dx)
6014   {
6015     x = (dx == 1 ? 0 : ed_fieldx - 1);
6016     for (y = 0; y < ed_fieldy; y++)
6017       DrawEditorElementOrWall(x, y, from_x, from_y);
6018   }
6019   else if (dy)
6020   {
6021     y = (dy == 1 ? 0 : ed_fieldy - 1);
6022     for (x = 0; x < ed_fieldx; x++)
6023       DrawEditorElementOrWall(x, y, from_x, from_y);
6024   }
6025
6026   redraw_mask |= REDRAW_FIELD;
6027   BackToFront();
6028 }
6029
6030 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6031                             int *x, int *y)
6032 {
6033   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6034 }
6035
6036 static void CreateControlButtons()
6037 {
6038   struct GadgetInfo *gi;
6039   int i;
6040
6041   /* create toolbox buttons */
6042   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6043   {
6044     int id = controlbutton_info[i].gadget_id;
6045     int type = controlbutton_info[i].gadget_type;
6046     int graphic = controlbutton_info[i].graphic;
6047     struct XYTileSize *pos = controlbutton_info[i].pos;
6048     struct GraphicInfo *gd = &graphic_info[graphic];
6049     Bitmap *deco_bitmap = NULL;
6050     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6051     int tile_size = 0, deco_shift = 0;
6052     boolean deco_masked = FALSE;
6053     int gd_x1 = gd->src_x;
6054     int gd_y1 = gd->src_y;
6055     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6056     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6057     int gd_x1a = gd->src_x + gd->active_xoffset;
6058     int gd_y1a = gd->src_y + gd->active_yoffset;
6059     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6060     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6061     int x = pos->x;
6062     int y = pos->y;
6063     unsigned int event_mask;
6064     int radio_button_nr = RADIO_NR_NONE;
6065     boolean checked = FALSE;
6066
6067     if (type == GD_TYPE_RADIO_BUTTON)
6068     {
6069       event_mask = GD_EVENT_PRESSED;
6070       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6071
6072       if (id == drawing_function)
6073         checked = TRUE;
6074     }
6075     else
6076     {
6077       if (id == GADGET_ID_WRAP_LEFT ||
6078           id == GADGET_ID_WRAP_RIGHT ||
6079           id == GADGET_ID_WRAP_UP ||
6080           id == GADGET_ID_WRAP_DOWN)
6081         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6082       else
6083         event_mask = GD_EVENT_RELEASED;
6084     }
6085
6086     if (id == GADGET_ID_PROPERTIES ||
6087         id == GADGET_ID_PALETTE)
6088     {
6089       x += DX;
6090       y += DY;
6091     }
6092     else if (id == GADGET_ID_ELEMENT_LEFT ||
6093              id == GADGET_ID_ELEMENT_MIDDLE ||
6094              id == GADGET_ID_ELEMENT_RIGHT)
6095     {
6096       x += DX;
6097       y += DY;
6098
6099       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6100                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6101                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6102
6103       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6104                                    editor.button.element_left.tile_size :
6105                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6106                                    editor.button.element_middle.tile_size :
6107                                    id == GADGET_ID_ELEMENT_RIGHT ?
6108                                    editor.button.element_right.tile_size : 0);
6109
6110       // make sure that decoration does not overlap gadget border
6111       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6112
6113       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6114
6115       deco_xpos = (gd->width  - tile_size) / 2;
6116       deco_ypos = (gd->height - tile_size) / 2;
6117       deco_shift = 1;
6118       deco_masked = gd->draw_masked;
6119     }
6120     else
6121     {
6122       x += EX;
6123       y += EY;
6124     }
6125
6126     gi = CreateGadget(GDI_CUSTOM_ID, id,
6127                       GDI_CUSTOM_TYPE_ID, i,
6128                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6129                       GDI_X, x,
6130                       GDI_Y, y,
6131                       GDI_WIDTH, gd->width,
6132                       GDI_HEIGHT, gd->height,
6133                       GDI_TYPE, type,
6134                       GDI_STATE, GD_BUTTON_UNPRESSED,
6135                       GDI_RADIO_NR, radio_button_nr,
6136                       GDI_CHECKED, checked,
6137                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6138                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6139                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6140                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6141                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6142                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6143                       GDI_DECORATION_SIZE, tile_size, tile_size,
6144                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6145                       GDI_DECORATION_MASKED, deco_masked,
6146                       GDI_EVENT_MASK, event_mask,
6147                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6148                       GDI_CALLBACK_ACTION, HandleControlButtons,
6149                       GDI_END);
6150
6151     if (gi == NULL)
6152       Error(ERR_EXIT, "cannot create gadget");
6153
6154     level_editor_gadget[id] = gi;
6155   }
6156
6157   /* these values are not constant, but can change at runtime */
6158   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6159   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6160   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6161   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6162   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6163   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6164   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6165   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6166   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6167   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6168   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6169   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6170
6171   /* create buttons for scrolling of drawing area and element list */
6172   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6173   {
6174     int id = scrollbutton_info[i].gadget_id;
6175     int graphic = scrollbutton_info[i].graphic;
6176     struct GraphicInfo *gd = &graphic_info[graphic];
6177     Bitmap *gd_bitmap = gd->bitmap;
6178     int gd_x1 = gd->src_x;
6179     int gd_y1 = gd->src_y;
6180     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6181     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6182     int width  = gd->width;
6183     int height = gd->height;
6184     int x = scrollbutton_pos[i].x;
6185     int y = scrollbutton_pos[i].y;
6186     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6187
6188     if (id == GADGET_ID_SCROLL_LIST_UP ||
6189         id == GADGET_ID_SCROLL_LIST_DOWN)
6190     {
6191       x += PX;
6192       y += PY;
6193     }
6194     else
6195     {
6196       x += SX;
6197       y += SY;
6198     }
6199
6200     gi = CreateGadget(GDI_CUSTOM_ID, id,
6201                       GDI_CUSTOM_TYPE_ID, i,
6202                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6203                       GDI_X, x,
6204                       GDI_Y, y,
6205                       GDI_WIDTH, width,
6206                       GDI_HEIGHT, height,
6207                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6208                       GDI_STATE, GD_BUTTON_UNPRESSED,
6209                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6210                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6211                       GDI_EVENT_MASK, event_mask,
6212                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6213                       GDI_CALLBACK_ACTION, HandleControlButtons,
6214                       GDI_END);
6215
6216     if (gi == NULL)
6217       Error(ERR_EXIT, "cannot create gadget");
6218
6219     level_editor_gadget[id] = gi;
6220   }
6221
6222   /* create buttons for element list */
6223   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6224   {
6225     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6226     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6227     struct GraphicInfo *gd = &graphic_info[graphic];
6228     Bitmap *gd_bitmap = gd->bitmap;
6229     Bitmap *deco_bitmap;
6230     int deco_x, deco_y, deco_xpos, deco_ypos;
6231     int gd_x1 = gd->src_x;
6232     int gd_y1 = gd->src_y;
6233     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6234     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6235     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6236     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6237     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6238     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6239     int element = editor_elements[i];
6240     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6241     unsigned int event_mask = GD_EVENT_RELEASED;
6242
6243     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6244
6245     deco_xpos = (gd->width  - tile_size) / 2;
6246     deco_ypos = (gd->height - tile_size) / 2;
6247
6248     gi = CreateGadget(GDI_CUSTOM_ID, id,
6249                       GDI_CUSTOM_TYPE_ID, i,
6250                       GDI_INFO_TEXT, getElementInfoText(element),
6251                       GDI_X, x,
6252                       GDI_Y, y,
6253                       GDI_WIDTH, gd->width,
6254                       GDI_HEIGHT, gd->height,
6255                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6256                       GDI_STATE, GD_BUTTON_UNPRESSED,
6257                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6258                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6259                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6260                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6261                       GDI_DECORATION_SIZE, tile_size, tile_size,
6262                       GDI_DECORATION_SHIFTING, 1, 1,
6263                       GDI_EVENT_MASK, event_mask,
6264                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6265                       GDI_CALLBACK_ACTION, HandleControlButtons,
6266                       GDI_END);
6267
6268     if (gi == NULL)
6269       Error(ERR_EXIT, "cannot create gadget");
6270
6271     level_editor_gadget[id] = gi;
6272   }
6273 }
6274
6275 static void CreateCounterButtons()
6276 {
6277   int max_infotext_len = getMaxInfoTextLength();
6278   int i;
6279
6280   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6281   {
6282     int j;
6283     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6284     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6285
6286     /* determine horizontal position to the right of specified gadget */
6287     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6288       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6289            ED_GADGET_TEXT_DISTANCE);
6290
6291     /* determine horizontal offset for leading text */
6292     if (counterbutton_info[i].text_left != NULL)
6293       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6294
6295     for (j = 0; j < 2; j++)
6296     {
6297       struct GadgetInfo *gi;
6298       int id = (j == 0 ?
6299                 counterbutton_info[i].gadget_id_down :
6300                 counterbutton_info[i].gadget_id_up);
6301       int graphic;
6302       struct GraphicInfo *gd;
6303       int gd_x1, gd_x2, gd_y1, gd_y2;
6304       unsigned int event_mask;
6305       char infotext[max_infotext_len + 1];
6306
6307       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6308
6309       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6310       {
6311         graphic = (j == 0 ?
6312                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6313                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6314
6315         event_mask |= GD_EVENT_RELEASED;
6316
6317         if (j == 0)
6318         {
6319           x = DX + editor.button.prev_level.x;
6320           y = DY + editor.button.prev_level.y;
6321         }
6322         else
6323         {
6324           x = DX + editor.button.next_level.x;
6325           y = DY + editor.button.next_level.y;
6326         }
6327       }
6328       else
6329       {
6330         graphic = (j == 0 ?
6331                    IMG_EDITOR_COUNTER_DOWN :
6332                    IMG_EDITOR_COUNTER_UP);
6333       }
6334
6335       gd = &graphic_info[graphic];
6336
6337       gd_x1 = gd->src_x;
6338       gd_y1 = gd->src_y;
6339       gd_x2 = gd->src_x + gd->pressed_xoffset;
6340       gd_y2 = gd->src_y + gd->pressed_yoffset;
6341
6342       sprintf(infotext, "%s counter value by 1, 5 or 10",
6343               (j == 0 ? "decrease" : "increase"));
6344
6345       gi = CreateGadget(GDI_CUSTOM_ID, id,
6346                         GDI_CUSTOM_TYPE_ID, i,
6347                         GDI_INFO_TEXT, infotext,
6348                         GDI_X, x,
6349                         GDI_Y, y,
6350                         GDI_WIDTH, gd->width,
6351                         GDI_HEIGHT, gd->height,
6352                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6353                         GDI_STATE, GD_BUTTON_UNPRESSED,
6354                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6355                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6356                         GDI_EVENT_MASK, event_mask,
6357                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6358                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6359                         GDI_END);
6360
6361       if (gi == NULL)
6362         Error(ERR_EXIT, "cannot create gadget");
6363
6364       level_editor_gadget[id] = gi;
6365       right_gadget_border[id] =
6366         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6367
6368       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6369
6370       if (j == 0)
6371       {
6372         int font_type = FONT_INPUT_1;
6373         int font_type_active = FONT_INPUT_1_ACTIVE;
6374
6375         id = counterbutton_info[i].gadget_id_text;
6376
6377         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6378
6379         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6380         {
6381           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6382
6383           font_type = FONT_LEVEL_NUMBER;
6384           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6385
6386           x = DX + editor.input.level_number.x;
6387           y = DY + editor.input.level_number.y;
6388         }
6389         else
6390         {
6391           graphic = IMG_EDITOR_COUNTER_INPUT;
6392         }
6393
6394         gd = &graphic_info[graphic];
6395
6396         gd_x1 = gd->src_x;
6397         gd_y1 = gd->src_y;
6398         gd_x2 = gd->src_x + gd->active_xoffset;
6399         gd_y2 = gd->src_y + gd->active_yoffset;
6400
6401         gi = CreateGadget(GDI_CUSTOM_ID, id,
6402                           GDI_CUSTOM_TYPE_ID, i,
6403                           GDI_INFO_TEXT, "enter counter value",
6404                           GDI_X, x,
6405                           GDI_Y, y,
6406                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6407                           GDI_NUMBER_VALUE, 0,
6408                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6409                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6410                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6411                           GDI_TEXT_FONT, font_type,
6412                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6413                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6414                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6415                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6416                           GDI_DESIGN_WIDTH, gd->width,
6417                           GDI_EVENT_MASK, event_mask,
6418                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6419                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6420                           GDI_END);
6421
6422         if (gi == NULL)
6423           Error(ERR_EXIT, "cannot create gadget");
6424
6425         level_editor_gadget[id] = gi;
6426         right_gadget_border[id] =
6427           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6428
6429         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6430       }
6431     }
6432   }
6433 }
6434
6435 static void CreateDrawingAreas()
6436 {
6437   int i;
6438
6439   /* these values are not constant, but can change at runtime */
6440   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6441   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6442
6443   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6444   {
6445     struct GadgetInfo *gi;
6446     unsigned int event_mask;
6447     int id = drawingarea_info[i].gadget_id;
6448     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6449     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6450     int area_xsize = drawingarea_info[i].area_xsize;
6451     int area_ysize = drawingarea_info[i].area_ysize;
6452     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6453                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6454
6455     event_mask =
6456       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6457       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6458
6459     /* determine horizontal position to the right of specified gadget */
6460     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6461       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6462            ED_DRAWINGAREA_TEXT_DISTANCE);
6463
6464     /* determine horizontal offset for leading text */
6465     if (drawingarea_info[i].text_left != NULL)
6466       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6467
6468     gi = CreateGadget(GDI_CUSTOM_ID, id,
6469                       GDI_CUSTOM_TYPE_ID, i,
6470                       GDI_X, x,
6471                       GDI_Y, y,
6472                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6473                       GDI_AREA_SIZE, area_xsize, area_ysize,
6474                       GDI_ITEM_SIZE, item_size, item_size,
6475                       GDI_EVENT_MASK, event_mask,
6476                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6477                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6478                       GDI_END);
6479
6480     if (gi == NULL)
6481       Error(ERR_EXIT, "cannot create gadget");
6482
6483     level_editor_gadget[id] = gi;
6484     right_gadget_border[id] =
6485       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6486   }
6487 }
6488
6489 static void CreateTextInputGadgets()
6490 {
6491   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6492   int max_infotext_len = getMaxInfoTextLength();
6493   int i;
6494
6495   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6496   {
6497     int gd_x1 = gd->src_x;
6498     int gd_y1 = gd->src_y;
6499     int gd_x2 = gd->src_x + gd->active_xoffset;
6500     int gd_y2 = gd->src_y + gd->active_yoffset;
6501     struct GadgetInfo *gi;
6502     unsigned int event_mask;
6503     char infotext[MAX_OUTPUT_LINESIZE + 1];
6504     int id = textinput_info[i].gadget_id;
6505     int x, y;
6506
6507     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6508     {
6509       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6510       int border_size = gd->border_size;
6511       int font_nr = FONT_INPUT_1;
6512       int font_height = getFontHeight(font_nr);
6513       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6514       int yoffset = element_border + (TILEY - font_height) / 2;
6515
6516       x = (editor.settings.element_name.x != -1 ?
6517            editor.settings.element_name.x :
6518            editor.settings.element_graphic.x + xoffset) - border_size;
6519       y = (editor.settings.element_name.y != -1 ?
6520            editor.settings.element_name.y :
6521            editor.settings.element_graphic.y + yoffset) - border_size;
6522     }
6523     else
6524     {
6525       x = ED_SETTINGS_X(textinput_info[i].x);
6526       y = ED_SETTINGS_Y(textinput_info[i].y);
6527     }
6528
6529     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6530
6531     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6532     infotext[max_infotext_len] = '\0';
6533
6534     gi = CreateGadget(GDI_CUSTOM_ID, id,
6535                       GDI_CUSTOM_TYPE_ID, i,
6536                       GDI_INFO_TEXT, infotext,
6537                       GDI_X, SX + x,
6538                       GDI_Y, SY + y,
6539                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6540                       GDI_TEXT_VALUE, textinput_info[i].value,
6541                       GDI_TEXT_SIZE, textinput_info[i].size,
6542                       GDI_TEXT_FONT, FONT_INPUT_1,
6543                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6544                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6545                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6546                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6547                       GDI_DESIGN_WIDTH, gd->width,
6548                       GDI_EVENT_MASK, event_mask,
6549                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6550                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6551                       GDI_END);
6552
6553     if (gi == NULL)
6554       Error(ERR_EXIT, "cannot create gadget");
6555
6556     level_editor_gadget[id] = gi;
6557   }
6558 }
6559
6560 static void CreateTextAreaGadgets()
6561 {
6562   int max_infotext_len = getMaxInfoTextLength();
6563   int i;
6564
6565   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6566   {
6567     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6568     int gd_x1 = gd->src_x;
6569     int gd_y1 = gd->src_y;
6570     int gd_x2 = gd->src_x + gd->active_xoffset;
6571     int gd_y2 = gd->src_y + gd->active_yoffset;
6572     struct GadgetInfo *gi;
6573     unsigned int event_mask;
6574     char infotext[MAX_OUTPUT_LINESIZE + 1];
6575     int id = textarea_info[i].gadget_id;
6576     int area_xsize = textarea_info[i].xsize;
6577     int area_ysize = textarea_info[i].ysize;
6578
6579     event_mask = GD_EVENT_TEXT_LEAVING;
6580
6581     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6582     infotext[max_infotext_len] = '\0';
6583
6584     gi = CreateGadget(GDI_CUSTOM_ID, id,
6585                       GDI_CUSTOM_TYPE_ID, i,
6586                       GDI_INFO_TEXT, infotext,
6587                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6588                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6589                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6590                       GDI_AREA_SIZE, area_xsize, area_ysize,
6591                       GDI_TEXT_FONT, FONT_INPUT_1,
6592                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6593                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6594                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6595                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6596                       GDI_DESIGN_WIDTH, gd->width,
6597                       GDI_EVENT_MASK, event_mask,
6598                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6599                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6600                       GDI_END);
6601
6602     if (gi == NULL)
6603       Error(ERR_EXIT, "cannot create gadget");
6604
6605     level_editor_gadget[id] = gi;
6606   }
6607 }
6608
6609 static void CreateSelectboxGadgets()
6610 {
6611   int max_infotext_len = getMaxInfoTextLength();
6612   int i, j;
6613
6614   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6615   {
6616     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6617     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6618     int gd_x1 = gd->src_x;
6619     int gd_y1 = gd->src_y;
6620     int gd_x2 = gd->src_x + gd->active_xoffset;
6621     int gd_y2 = gd->src_y + gd->active_yoffset;
6622     int selectbox_button_xsize = gd2->width;
6623     struct GadgetInfo *gi;
6624     unsigned int event_mask;
6625     char infotext[MAX_OUTPUT_LINESIZE + 1];
6626     int id = selectbox_info[i].gadget_id;
6627     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6628     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6629
6630     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6631     {
6632       /* (we cannot use -1 for uninitialized values if we directly compare
6633          with results from strlen(), because the '<' and '>' operation will
6634          implicitely cast -1 to an unsigned integer value!) */
6635       selectbox_info[i].size = 0;
6636
6637       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6638         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6639           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6640
6641       selectbox_info[i].size++;         /* add one character empty space */
6642     }
6643
6644     event_mask = GD_EVENT_RELEASED |
6645       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6646
6647     /* determine horizontal position to the right of specified gadget */
6648     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6649       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6650            ED_GADGET_TEXT_DISTANCE);
6651
6652     /* determine horizontal offset for leading text */
6653     if (selectbox_info[i].text_left != NULL)
6654       x += getTextWidthForGadget(selectbox_info[i].text_left);
6655
6656     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6657     infotext[max_infotext_len] = '\0';
6658
6659     gi = CreateGadget(GDI_CUSTOM_ID, id,
6660                       GDI_CUSTOM_TYPE_ID, i,
6661                       GDI_INFO_TEXT, infotext,
6662                       GDI_X, x,
6663                       GDI_Y, y,
6664                       GDI_TYPE, GD_TYPE_SELECTBOX,
6665                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6666                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6667                       GDI_TEXT_SIZE, selectbox_info[i].size,
6668                       GDI_TEXT_FONT, FONT_INPUT_1,
6669                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6670                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6671                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6672                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6673                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6674                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6675                       GDI_DESIGN_WIDTH, gd->width,
6676                       GDI_EVENT_MASK, event_mask,
6677                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6678                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6679                       GDI_END);
6680
6681     if (gi == NULL)
6682       Error(ERR_EXIT, "cannot create gadget");
6683
6684     level_editor_gadget[id] = gi;
6685     right_gadget_border[id] =
6686       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6687   }
6688 }
6689
6690 static void CreateTextbuttonGadgets()
6691 {
6692   int max_infotext_len = getMaxInfoTextLength();
6693   int i;
6694
6695   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6696   {
6697     int id = textbutton_info[i].gadget_id;
6698     int is_tab_button =
6699       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6700        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6701     int graphic =
6702       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6703     int gadget_distance =
6704       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6705     struct GraphicInfo *gd = &graphic_info[graphic];
6706     int gd_x1 = gd->src_x;
6707     int gd_y1 = gd->src_y;
6708     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6709     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6710     int gd_x1a = gd->src_x + gd->active_xoffset;
6711     int gd_y1a = gd->src_y + gd->active_yoffset;
6712     int border_xsize = gd->border_size + gd->draw_xoffset;
6713     int border_ysize = gd->border_size;
6714     struct GadgetInfo *gi;
6715     unsigned int event_mask;
6716     char infotext[MAX_OUTPUT_LINESIZE + 1];
6717     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6718     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6719
6720     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6721       textbutton_info[i].size = strlen(textbutton_info[i].text);
6722
6723     event_mask = GD_EVENT_RELEASED;
6724
6725     sprintf(infotext, "%s", textbutton_info[i].infotext);
6726     infotext[max_infotext_len] = '\0';
6727
6728     /* determine horizontal position to the right of specified gadget */
6729     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6730     {
6731       int gadget_id_align = textbutton_info[i].gadget_id_align;
6732
6733       x = right_gadget_border[gadget_id_align] + gadget_distance;
6734
6735       if (textbutton_info[i].y == -1)
6736         y = level_editor_gadget[gadget_id_align]->y;
6737     }
6738
6739     /* determine horizontal offset for leading text */
6740     if (textbutton_info[i].text_left != NULL)
6741       x += getTextWidthForGadget(textbutton_info[i].text_left);
6742
6743     gi = CreateGadget(GDI_CUSTOM_ID, id,
6744                       GDI_CUSTOM_TYPE_ID, i,
6745                       GDI_INFO_TEXT, infotext,
6746                       GDI_X, x,
6747                       GDI_Y, y,
6748                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6749                       GDI_TEXT_VALUE, textbutton_info[i].text,
6750                       GDI_TEXT_SIZE, textbutton_info[i].size,
6751                       GDI_TEXT_FONT, FONT_INPUT_2,
6752                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6753                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6754                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6755                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6756                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6757                       GDI_DESIGN_WIDTH, gd->width,
6758                       GDI_DECORATION_SHIFTING, 1, 1,
6759                       GDI_EVENT_MASK, event_mask,
6760                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6761                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6762                       GDI_END);
6763
6764     if (gi == NULL)
6765       Error(ERR_EXIT, "cannot create gadget");
6766
6767     level_editor_gadget[id] = gi;
6768     right_gadget_border[id] =
6769       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6770   }
6771 }
6772
6773 static void CreateGraphicbuttonGadgets()
6774 {
6775   struct GadgetInfo *gi;
6776   unsigned int event_mask;
6777   int i;
6778
6779   /* create buttons for scrolling of drawing area and element list */
6780   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6781   {
6782     int id = graphicbutton_info[i].gadget_id;
6783     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6784     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6785     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6786     int gd_x1 = gd->src_x;
6787     int gd_y1 = gd->src_y;
6788     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6789     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6790
6791     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6792
6793     /* determine horizontal position to the right of specified gadget */
6794     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6795       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6796            ED_GADGET_TEXT_DISTANCE);
6797
6798     /* determine horizontal offset for leading text */
6799     if (graphicbutton_info[i].text_left != NULL)
6800       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6801
6802     gi = CreateGadget(GDI_CUSTOM_ID, id,
6803                       GDI_CUSTOM_TYPE_ID, i,
6804                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6805                       GDI_X, x,
6806                       GDI_Y, y,
6807                       GDI_WIDTH, gd->width,
6808                       GDI_HEIGHT, gd->height,
6809                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6810                       GDI_STATE, GD_BUTTON_UNPRESSED,
6811                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6812                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6813                       GDI_EVENT_MASK, event_mask,
6814                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6815                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6816                       GDI_END);
6817
6818     if (gi == NULL)
6819       Error(ERR_EXIT, "cannot create gadget");
6820
6821     level_editor_gadget[id] = gi;
6822     right_gadget_border[id] =
6823       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6824   }
6825 }
6826
6827 static void CreateScrollbarGadgets()
6828 {
6829   int i;
6830
6831   /* these values are not constant, but can change at runtime */
6832   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6833     SX + ED_SCROLL_HORIZONTAL_XPOS;
6834   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6835     SY + ED_SCROLL_HORIZONTAL_YPOS;
6836   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6837     ED_SCROLL_HORIZONTAL_XSIZE;
6838   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6839     ED_SCROLL_HORIZONTAL_YSIZE;
6840   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6841   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6842   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6843   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6844
6845   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6846     SX + ED_SCROLL_VERTICAL_XPOS;
6847   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6848     SY + ED_SCROLL_VERTICAL_YPOS;
6849   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6850     ED_SCROLL_VERTICAL_XSIZE;
6851   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6852     ED_SCROLL_VERTICAL_YSIZE;
6853   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6854   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6855   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6856   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6857
6858   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6859     PX + ED_SCROLL2_VERTICAL_XPOS;
6860   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6861     PY + ED_SCROLL2_VERTICAL_YPOS;
6862   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6863     ED_SCROLL2_VERTICAL_XSIZE;
6864   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6865     ED_SCROLL2_VERTICAL_YSIZE;
6866   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6867   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6868   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6869   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6870
6871   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6872   {
6873     int id = scrollbar_info[i].gadget_id;
6874     int graphic = scrollbar_info[i].graphic;
6875     struct GraphicInfo *gd = &graphic_info[graphic];
6876     int gd_x1 = gd->src_x;
6877     int gd_y1 = gd->src_y;
6878     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6879     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6880     struct GadgetInfo *gi;
6881     int items_max, items_visible, item_position;
6882     unsigned int event_mask;
6883
6884     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6885     {
6886       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6887       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6888       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6889     }
6890     else        /* drawing area scrollbars */
6891     {
6892       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6893       {
6894         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6895         items_visible = ed_fieldx;
6896         item_position = 0;
6897       }
6898       else
6899       {
6900         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6901         items_visible = ed_fieldy;
6902         item_position = 0;
6903       }
6904     }
6905
6906     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6907
6908     gi = CreateGadget(GDI_CUSTOM_ID, id,
6909                       GDI_CUSTOM_TYPE_ID, i,
6910                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6911                       GDI_X, scrollbar_pos[i].x,
6912                       GDI_Y, scrollbar_pos[i].y,
6913                       GDI_WIDTH, scrollbar_pos[i].width,
6914                       GDI_HEIGHT, scrollbar_pos[i].height,
6915                       GDI_TYPE, scrollbar_info[i].type,
6916                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6917                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6918                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6919                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6920                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6921                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6922                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6923                       GDI_STATE, GD_BUTTON_UNPRESSED,
6924                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6925                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6926                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6927                       GDI_EVENT_MASK, event_mask,
6928                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6929                       GDI_CALLBACK_ACTION, HandleControlButtons,
6930                       GDI_END);
6931
6932     if (gi == NULL)
6933       Error(ERR_EXIT, "cannot create gadget");
6934
6935     level_editor_gadget[id] = gi;
6936   }
6937 }
6938
6939 static void CreateCheckbuttonGadgets()
6940 {
6941   struct GadgetInfo *gi;
6942   unsigned int event_mask;
6943   int i;
6944
6945   event_mask = GD_EVENT_PRESSED;
6946
6947   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6948   {
6949     int id = checkbutton_info[i].gadget_id;
6950     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6951                    IMG_EDITOR_CHECKBOX);
6952     struct GraphicInfo *gd = &graphic_info[graphic];
6953     int gd_x1 = gd->src_x;
6954     int gd_y1 = gd->src_y;
6955     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6956     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6957     int gd_x1a = gd->src_x + gd->active_xoffset;
6958     int gd_y1a = gd->src_y + gd->active_yoffset;
6959     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6960     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6961     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6962     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6963
6964     /* determine horizontal position to the right of specified gadget */
6965     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6966       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6967            ED_GADGET_TEXT_DISTANCE);
6968
6969     /* determine horizontal offset for leading text */
6970     if (checkbutton_info[i].text_left != NULL)
6971       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6972
6973     gi = CreateGadget(GDI_CUSTOM_ID, id,
6974                       GDI_CUSTOM_TYPE_ID, i,
6975                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6976                       GDI_X, x,
6977                       GDI_Y, y,
6978                       GDI_WIDTH, gd->width,
6979                       GDI_HEIGHT, gd->height,
6980                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6981                       GDI_CHECKED, *checkbutton_info[i].value,
6982                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6983                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6984                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6985                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6986                       GDI_EVENT_MASK, event_mask,
6987                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6988                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6989                       GDI_END);
6990
6991     if (gi == NULL)
6992       Error(ERR_EXIT, "cannot create gadget");
6993
6994     level_editor_gadget[id] = gi;
6995     right_gadget_border[id] =
6996       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6997   }
6998 }
6999
7000 static void CreateRadiobuttonGadgets()
7001 {
7002   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
7003   int gd_x1 = gd->src_x;
7004   int gd_y1 = gd->src_y;
7005   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7006   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7007   int gd_x1a = gd->src_x + gd->active_xoffset;
7008   int gd_y1a = gd->src_y + gd->active_yoffset;
7009   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7010   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7011   struct GadgetInfo *gi;
7012   unsigned int event_mask;
7013   int i;
7014
7015   event_mask = GD_EVENT_PRESSED;
7016
7017   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7018   {
7019     int id = radiobutton_info[i].gadget_id;
7020     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7021     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7022
7023     int checked =
7024       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7025
7026     /* determine horizontal position to the right of specified gadget */
7027     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7028       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7029            ED_GADGET_TEXT_DISTANCE);
7030
7031     /* determine horizontal offset for leading text */
7032     if (radiobutton_info[i].text_left != NULL)
7033       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7034
7035     gi = CreateGadget(GDI_CUSTOM_ID, id,
7036                       GDI_CUSTOM_TYPE_ID, i,
7037                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7038                       GDI_X, x,
7039                       GDI_Y, y,
7040                       GDI_WIDTH, gd->width,
7041                       GDI_HEIGHT, gd->height,
7042                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7043                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7044                       GDI_CHECKED, checked,
7045                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7046                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7047                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7048                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7049                       GDI_EVENT_MASK, event_mask,
7050                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7051                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7052                       GDI_END);
7053
7054     if (gi == NULL)
7055       Error(ERR_EXIT, "cannot create gadget");
7056
7057     level_editor_gadget[id] = gi;
7058     right_gadget_border[id] =
7059       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7060   }
7061 }
7062
7063 void CreateLevelEditorGadgets()
7064 {
7065   /* force EDITOR font inside level editor */
7066   SetFontStatus(GAME_MODE_EDITOR);
7067
7068   /* these values are not constant, but can change at runtime */
7069   ed_fieldx = MAX_ED_FIELDX - 1;
7070   ed_fieldy = MAX_ED_FIELDY - 1;
7071
7072   num_editor_gadgets = NUM_EDITOR_GADGETS;
7073
7074   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7075
7076   level_editor_gadget =
7077     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7078   right_gadget_border =
7079     checked_calloc(num_editor_gadgets * sizeof(int));
7080
7081   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7082   editor_el_empty_ptr = editor_el_empty;
7083
7084   use_permanent_palette = !editor.palette.show_as_separate_screen;
7085
7086   ReinitializeElementList();
7087
7088   CreateControlButtons();
7089   CreateScrollbarGadgets();
7090
7091   /* order of function calls is important because of cross-references */
7092   CreateCheckbuttonGadgets();
7093   CreateCounterButtons();
7094   CreateRadiobuttonGadgets();
7095   CreateTextInputGadgets();
7096   CreateTextAreaGadgets();
7097   CreateSelectboxGadgets();
7098   CreateGraphicbuttonGadgets();
7099   CreateTextbuttonGadgets();
7100   CreateDrawingAreas();
7101
7102   ResetFontStatus();
7103 }
7104
7105 void FreeLevelEditorGadgets()
7106 {
7107   int i;
7108
7109   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7110
7111   for (i = 0; i < num_editor_gadgets; i++)
7112   {
7113     FreeGadget(level_editor_gadget[i]);
7114
7115     level_editor_gadget[i] = NULL;
7116   }
7117
7118   checked_free(level_editor_gadget);
7119   checked_free(right_gadget_border);
7120
7121   checked_free(editor_el_empty);
7122 }
7123
7124 static void MapCounterButtons(int id)
7125 {
7126   int font_nr = FONT_TEXT_1;
7127   int font_height = getFontHeight(font_nr);
7128   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7129   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7130   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7131   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7132   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7133   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7134   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7135   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7136   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7137   int yoffset = (gi_down->height - font_height) / 2;
7138   int x_left = gi_down->x - xoffset_left;
7139   int x_right;  /* set after gadget position was modified */
7140   int y_above = gi_down->y - yoffset_above;
7141   int x = gi_down->x;
7142   int y;        /* set after gadget position was modified */
7143
7144   /* counter limits must be changed first to prevent value truncation */
7145   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7146                             counterbutton_info[id].max_value);
7147
7148   /* right text position might have changed after setting position above */
7149   x_right = gi_up->x + gi_up->width + xoffset_right;
7150
7151   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7152
7153   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7154   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7155       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7156   {
7157     ModifyGadget(gi_down, GDI_Y,
7158                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7159     ModifyGadget(gi_text, GDI_Y,
7160                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7161     ModifyGadget(gi_up,   GDI_Y,
7162                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7163   }
7164
7165   /* vertical position might have changed after setting position above */
7166   y = gi_up->y + yoffset;
7167
7168   if (counterbutton_info[id].text_above)
7169     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7170
7171   if (counterbutton_info[id].text_left)
7172     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7173
7174   if (counterbutton_info[id].text_right)
7175     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7176
7177   MapGadget(gi_down);
7178   MapGadget(gi_text);
7179   MapGadget(gi_up);
7180 }
7181
7182 static void MapControlButtons()
7183 {
7184   int counter_id;
7185   int i;
7186
7187   /* map toolbox buttons (excluding special CE toolbox buttons) */
7188   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7189     MapGadget(level_editor_gadget[i]);
7190
7191   /* map toolbox buttons (element properties buttons) */
7192   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7193     MapGadget(level_editor_gadget[i]);
7194
7195   if (use_permanent_palette)
7196   {
7197     /* map buttons to select elements */
7198     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7199       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7200     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7201     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7202     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7203   }
7204
7205   /* map buttons to select level */
7206   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7207   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7208   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7209   MapCounterButtons(counter_id);
7210 }
7211
7212 static void MapDrawingArea(int id)
7213 {
7214   int font_nr = FONT_TEXT_1;
7215   int font_height = getFontHeight(font_nr);
7216   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7217   int area_xsize = gi->drawing.area_xsize;
7218   int area_ysize = gi->drawing.area_ysize;
7219   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7220   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7221   int x_left  = gi->x - xoffset_left;
7222   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7223   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7224   int y_side  = gi->y + (gi->height - font_height) / 2;
7225   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7226
7227   if (drawingarea_info[id].text_left)
7228     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7229
7230   if (drawingarea_info[id].text_right)
7231     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7232
7233   if (drawingarea_info[id].text_below)
7234     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7235
7236   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7237   {
7238     DrawElementBorder(gi->x, gi->y,
7239                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7240                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7241
7242     DrawDrawingArea(id);
7243   }
7244
7245   MapGadget(gi);
7246 }
7247
7248 static void MapTextInputGadget(int id)
7249 {
7250   int font_nr = FONT_TEXT_1;
7251   int font_height = getFontHeight(font_nr);
7252   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7253   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7254   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7255   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7256
7257   if (textinput_info[id].text_above)
7258     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7259
7260   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7261
7262   MapGadget(gi);
7263 }
7264
7265 static void MapTextAreaGadget(int id)
7266 {
7267   int font_nr = FONT_TEXT_1;
7268   int font_height = getFontHeight(font_nr);
7269   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7270   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7271   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7272   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7273
7274   if (textarea_info[id].text_above)
7275     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7276
7277   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7278
7279   MapGadget(gi);
7280 }
7281
7282 static void MapSelectboxGadget(int id)
7283 {
7284   int font_nr = FONT_TEXT_1;
7285   int font_height = getFontHeight(font_nr);
7286   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7287   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7288   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7289   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7290   int yoffset = (gi->height - font_height) / 2;
7291   int x_left = gi->x - xoffset_left;
7292   int x_right = gi->x + gi->width + xoffset_right;
7293   int y_above = gi->y - yoffset_above;
7294   int x = gi->x;
7295   int y = gi->y + yoffset;
7296
7297   if (selectbox_info[id].text_above)
7298     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7299
7300   if (selectbox_info[id].text_left)
7301     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7302
7303   if (selectbox_info[id].text_right)
7304     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7305
7306   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7307
7308   MapGadget(gi);
7309 }
7310
7311 static void MapTextbuttonGadget(int id)
7312 {
7313   int font_nr = FONT_TEXT_1;
7314   int font_height = getFontHeight(font_nr);
7315   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7316   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7317   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7318   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7319   int yoffset = (gi->height - font_height) / 2;
7320   int x_left = gi->x - xoffset_left;
7321   int x_right = gi->x + gi->width + xoffset_right;
7322   int y_above = gi->y - yoffset_above;
7323   int x = gi->x;
7324   int y = gi->y + yoffset;
7325
7326   /* only show button to delete change pages when more than minimum pages */
7327   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7328       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7329     return;
7330
7331   if (textbutton_info[id].text_above)
7332     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7333
7334   if (textbutton_info[id].text_left)
7335     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7336
7337   if (textbutton_info[id].text_right)
7338     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7339
7340   MapGadget(gi);
7341 }
7342
7343 static void MapGraphicbuttonGadget(int id)
7344 {
7345   int font_nr = FONT_TEXT_1;
7346   int font_height = getFontHeight(font_nr);
7347   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7348   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7349   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7350   int yoffset = (gi->height - font_height) / 2;
7351   int x_left = gi->x - xoffset_left;
7352   int x_right = gi->x + gi->width + xoffset_right;
7353   int y = gi->y + yoffset;
7354
7355   if (graphicbutton_info[id].text_left)
7356     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7357
7358   if (graphicbutton_info[id].text_right)
7359     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7360
7361   MapGadget(gi);
7362 }
7363
7364 static void MapRadiobuttonGadget(int id)
7365 {
7366   int font_nr = FONT_TEXT_1;
7367   int font_height = getFontHeight(font_nr);
7368   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7369   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7370   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7371   int yoffset = (gi->height - font_height) / 2;
7372   int x_left = gi->x - xoffset_left;
7373   int x_right = gi->x + gi->width + xoffset_right;
7374   int y = gi->y + yoffset;
7375   boolean checked =
7376     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7377
7378   if (radiobutton_info[id].text_left)
7379     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7380
7381   if (radiobutton_info[id].text_right)
7382     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7383
7384   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7385
7386   MapGadget(gi);
7387 }
7388
7389 static void MapCheckbuttonGadget(int id)
7390 {
7391   int font_nr = FONT_TEXT_1;
7392   int font_height = getFontHeight(font_nr);
7393   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7394   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7395   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7396   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7397   int yoffset = (gi->height - font_height) / 2;
7398   int y_above = gi->y - yoffset_above;
7399   int x = gi->x;
7400   int x_left, x_right, y;       /* set after gadget position was modified */
7401
7402   /* set position for gadgets with dynamically determined position */
7403   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7404     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7405   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7406
7407   x_left = gi->x - xoffset_left;
7408   x_right = gi->x + gi->width + xoffset_right;
7409   y = gi->y + yoffset;
7410
7411   if (checkbutton_info[id].text_above)
7412     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7413
7414   if (checkbutton_info[id].text_left)
7415     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7416
7417   if (checkbutton_info[id].text_right)
7418     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7419
7420   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7421
7422   MapGadget(gi);
7423 }
7424
7425 static void MapMainDrawingArea()
7426 {
7427   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7428   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7429   int i;
7430
7431   if (suppressBorderElement())
7432   {
7433     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7434     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7435   }
7436
7437   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7438   {
7439     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7440           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7441          no_horizontal_scrollbar) ||
7442         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7443           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7444          no_vertical_scrollbar))
7445       continue;
7446
7447     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7448   }
7449
7450   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7451   {
7452     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7453         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7454       continue;
7455
7456     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7457   }
7458
7459   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7460 }
7461
7462 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7463 {
7464   int i;
7465
7466   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7467   {
7468     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7469         i == GADGET_ID_CUSTOM_COPY_TO ||
7470         i == GADGET_ID_CUSTOM_EXCHANGE ||
7471         i == GADGET_ID_CUSTOM_COPY ||
7472         i == GADGET_ID_CUSTOM_PASTE)
7473     {
7474       if (map)
7475         MapGadget(level_editor_gadget[i]);
7476       else
7477         UnmapGadget(level_editor_gadget[i]);
7478     }
7479   }
7480 }
7481
7482 static void MapLevelEditorToolboxCustomGadgets()
7483 {
7484   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7485 }
7486
7487 static void UnmapLevelEditorToolboxCustomGadgets()
7488 {
7489   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7490 }
7491
7492 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7493 {
7494   int i;
7495
7496   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7497   {
7498     if (i != GADGET_ID_SINGLE_ITEMS &&
7499         i != GADGET_ID_PICK_ELEMENT)
7500     {
7501       struct GadgetInfo *gi = level_editor_gadget[i];
7502
7503       if (map)
7504       {
7505         MapGadget(gi);
7506       }
7507       else
7508       {
7509         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7510         struct GraphicInfo *gd = &graphic_info[graphic];
7511
7512         UnmapGadget(gi);
7513
7514         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7515                    gi->width, gi->height, gi->x, gi->y);
7516
7517         redraw_mask |= REDRAW_DOOR_3;
7518       }
7519     }
7520   }
7521 }
7522
7523 static void MapLevelEditorToolboxDrawingGadgets()
7524 {
7525   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7526 }
7527
7528 static void UnmapLevelEditorToolboxDrawingGadgets()
7529 {
7530   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7531 }
7532
7533 static void UnmapDrawingArea(int id)
7534 {
7535   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7536 }
7537
7538 static void UnmapLevelEditorFieldGadgets()
7539 {
7540   int i;
7541
7542   for (i = 0; i < num_editor_gadgets; i++)
7543     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7544                           level_editor_gadget[i]->y))
7545       UnmapGadget(level_editor_gadget[i]);
7546 }
7547
7548 void UnmapLevelEditorGadgets()
7549 {
7550   int i;
7551
7552   for (i = 0; i < num_editor_gadgets; i++)
7553     UnmapGadget(level_editor_gadget[i]);
7554 }
7555
7556 static void ResetUndoBuffer()
7557 {
7558   undo_buffer_position = -1;
7559   undo_buffer_steps = -1;
7560   redo_buffer_steps = 0;
7561
7562   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7563
7564   level.changed = FALSE;
7565 }
7566
7567 static void DrawEditModeWindow()
7568 {
7569   ModifyEditorElementList();
7570   RedrawDrawingElements();
7571
7572   if (edit_mode == ED_MODE_INFO)
7573     DrawLevelInfoWindow();
7574   else if (edit_mode == ED_MODE_PROPERTIES)
7575     DrawPropertiesWindow();
7576   else if (edit_mode == ED_MODE_PALETTE)
7577     DrawPaletteWindow();
7578   else  /* edit_mode == ED_MODE_DRAWING */
7579     DrawDrawingWindow();
7580 }
7581
7582 static void ChangeEditModeWindow(int new_edit_mode)
7583 {
7584   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7585
7586   DrawEditModeWindow();
7587 }
7588
7589 static boolean LevelChanged()
7590 {
7591   boolean field_changed = FALSE;
7592   int x, y;
7593
7594   for (y = 0; y < lev_fieldy; y++)
7595     for (x = 0; x < lev_fieldx; x++)
7596       if (Feld[x][y] != level.field[x][y])
7597         field_changed = TRUE;
7598
7599   return (level.changed || field_changed);
7600 }
7601
7602 static boolean PrepareSavingIntoPersonalLevelSet()
7603 {
7604   static LevelDirTree *last_copied_leveldir = NULL;
7605   static LevelDirTree *last_written_leveldir = NULL;
7606   static int last_copied_level_nr = -1;
7607   static int last_written_level_nr = -1;
7608   LevelDirTree *leveldir_former = leveldir_current;
7609   int level_nr_former = level_nr;
7610   int new_level_nr;
7611
7612   // remember last mod/save so that for current session, we write
7613   // back to the same personal copy, asking only about overwrite.
7614   if (leveldir_current == last_copied_leveldir &&
7615       level_nr == last_copied_level_nr)
7616   {
7617     // "cd" to personal level set dir (as used when writing last copy)
7618     leveldir_current = last_written_leveldir;
7619     level_nr = last_written_level_nr;
7620
7621     return TRUE;
7622   }
7623
7624   if (!Request("This level is read only! "
7625                "Save into personal level set?", REQ_ASK))
7626     return FALSE;
7627
7628   // "cd" to personal level set dir (for writing copy the first time)
7629   leveldir_current =
7630     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7631
7632   // find unused level number
7633   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7634   {
7635     static char *level_filename = NULL;
7636
7637     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7638
7639     if (!fileExists(level_filename))
7640       break;
7641   }
7642
7643   last_copied_leveldir = leveldir_former;
7644   last_copied_level_nr = level_nr_former;
7645
7646   last_written_leveldir = leveldir_current;
7647   last_written_level_nr = level_nr = new_level_nr;
7648
7649   return TRUE;
7650 }
7651
7652 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7653 {
7654   static char *filename_levelinfo = NULL, *mod_name = NULL;
7655   FILE *file;
7656
7657   // annotate this copy-and-mod in personal levelinfo.conf
7658   setString(&filename_levelinfo,
7659             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7660
7661   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7662   {
7663     fprintf(file, "\n");
7664     fprintf(file, "# level %d was modified from:\n", level_nr);
7665     fprintf(file, "# - previous level set name:    %s\n",
7666             former_name);
7667     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7668             level.file_info.nr, level.name);
7669     fprintf(file, "# - previous author:            %s\n",
7670             level.author);
7671     fprintf(file, "# - previous save date:         ");
7672
7673     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7674     {
7675       fprintf(file, "%04d-%02d-%02d\n",
7676               level.creation_date.year,
7677               level.creation_date.month,
7678               level.creation_date.day);
7679     }
7680     else
7681     {
7682       fprintf(file, "not recorded\n");
7683     }
7684
7685     fclose(file);
7686   }
7687
7688   if (level_nr > leveldir_current->last_level)
7689     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7690
7691   // else: allow the save even if annotation failed
7692
7693   // now... spray graffiti on the old level vital statistics
7694   // user can change these; just trying to set a good baseline
7695
7696   // don't truncate names for fear of making offensive or silly:
7697   // long-named original author only recorded in levelinfo.conf.
7698   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7699   if (!strEqual(level.author, leveldir_current->author))
7700   {
7701     setString(&mod_name, getStringCat3(leveldir_current->author,
7702                                        " after ", level.author));
7703
7704     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7705       setString(&mod_name,
7706                 getStringCat2(leveldir_current->author, " (ed.)"));
7707
7708     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7709       setString(&mod_name, leveldir_current->author);
7710
7711     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7712
7713     // less worried about truncation here
7714     setString(&mod_name, getStringCat2("Mod: ", level.name));
7715     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7716   }
7717 }
7718
7719 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7720                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7721 {
7722   int x, y;
7723
7724   for (x = 0; x < lev_fieldx; x++)
7725     for (y = 0; y < lev_fieldy; y++)
7726       dst[x][y] = src[x][y];
7727 }
7728
7729 static int setSelectboxValue(int selectbox_id, int new_value)
7730 {
7731   int new_index_value = 0;
7732   int i;
7733
7734   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7735     if (selectbox_info[selectbox_id].options[i].value == new_value)
7736       new_index_value = i;
7737
7738   *selectbox_info[selectbox_id].value =
7739     selectbox_info[selectbox_id].options[new_index_value].value;
7740
7741   return new_index_value;
7742 }
7743
7744 static void setSelectboxSpecialActionVariablesIfNeeded()
7745 {
7746   int i;
7747
7748   /* change action mode and arg variables according to action type variable */
7749   for (i = 0; action_arg_options[i].value != -1; i++)
7750   {
7751     if (action_arg_options[i].value == custom_element_change.action_type)
7752     {
7753       int mode = action_arg_options[i].mode;
7754
7755       /* only change if corresponding selectbox has changed */
7756       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7757           action_arg_modes[mode])
7758         custom_element_change.action_mode = -1;
7759
7760       /* only change if corresponding selectbox has changed */
7761       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7762           action_arg_options[i].options)
7763         custom_element_change.action_arg = -1;
7764
7765       break;
7766     }
7767   }
7768 }
7769
7770 static void setSelectboxSpecialActionOptions()
7771 {
7772   int i;
7773
7774   /* change action mode and arg selectbox according to action type selectbox */
7775   for (i = 0; action_arg_options[i].value != -1; i++)
7776   {
7777     if (action_arg_options[i].value == custom_element_change.action_type)
7778     {
7779       int mode = action_arg_options[i].mode;
7780
7781       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7782                                    action_arg_modes[mode]);
7783       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7784                                  custom_element_change.action_mode);
7785
7786       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7787                                    action_arg_options[i].options);
7788       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7789                                  custom_element_change.action_arg);
7790       break;
7791     }
7792   }
7793 }
7794
7795 static void copy_custom_element_settings(int element_from, int element_to)
7796 {
7797   struct ElementInfo *ei_from = &element_info[element_from];
7798   struct ElementInfo *ei_to = &element_info[element_to];
7799
7800   copyElementInfo(ei_from, ei_to);
7801 }
7802
7803 static void replace_custom_element_in_settings(int element_from,
7804                                                int element_to)
7805 {
7806   int i, j, x, y;
7807
7808   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7809   {
7810     struct ElementInfo *ei = &element_info[i];
7811
7812     for (y = 0; y < 3; y++)
7813       for (x = 0; x < 3; x++)
7814         if (ei->content.e[x][y] == element_from)
7815           ei->content.e[x][y] = element_to;
7816
7817     for (j = 0; j < ei->num_change_pages; j++)
7818     {
7819       struct ElementChangeInfo *change = &ei->change_page[j];
7820
7821       if (change->target_element == element_from)
7822         change->target_element = element_to;
7823
7824       if (change->initial_trigger_element == element_from)
7825         change->initial_trigger_element = element_to;
7826
7827       if (change->action_element == element_from)
7828         change->action_element = element_to;
7829
7830       for (y = 0; y < 3; y++)
7831         for (x = 0; x < 3; x++)
7832           if (change->target_content.e[x][y] == element_from)
7833             change->target_content.e[x][y] = element_to;
7834     }
7835
7836     if (ei->group != NULL)                              /* group or internal */
7837       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7838         if (ei->group->element[j] == element_from)
7839           ei->group->element[j] = element_to;
7840   }
7841 }
7842
7843 static void replace_custom_element_in_playfield(int element_from,
7844                                                 int element_to)
7845 {
7846   int x, y;
7847
7848   for (x = 0; x < lev_fieldx; x++)
7849     for (y = 0; y < lev_fieldy; y++)
7850       if (Feld[x][y] == element_from)
7851         Feld[x][y] = element_to;
7852 }
7853
7854 static boolean CopyCustomElement(int element_old, int element_new,
7855                                  int copy_mode)
7856 {
7857   int copy_mode_orig = copy_mode;
7858
7859   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7860   {
7861     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7862                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7863     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7864   }
7865   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7866   {
7867     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7868                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7869     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7870
7871     level.changed = TRUE;
7872   }
7873   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7874   {
7875     Request("Please choose custom element!", REQ_CONFIRM);
7876
7877     return FALSE;
7878   }
7879   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7880   {
7881     Request("Please choose group element!", REQ_CONFIRM);
7882
7883     return FALSE;
7884   }
7885   else
7886   {
7887     level.changed = TRUE;
7888   }
7889
7890   /* when modifying custom/group element, ask for copying level template */
7891   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7892   {
7893     if (!AskToCopyAndModifyLevelTemplate())
7894       return FALSE;
7895   }
7896
7897   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7898   {
7899     copy_custom_element_settings(element_new, element_old);
7900   }
7901   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7902   {
7903     copy_custom_element_settings(element_old, element_new);
7904   }
7905   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7906   {
7907     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7908     copy_custom_element_settings(element_new, element_old);
7909     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7910
7911     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7912     replace_custom_element_in_settings(element_new, element_old);
7913     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7914
7915     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7916     replace_custom_element_in_playfield(element_new, element_old);
7917     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7918   }
7919
7920   UpdateCustomElementGraphicGadgets();
7921   DrawPropertiesWindow();
7922
7923   return TRUE;
7924 }
7925
7926 static void CopyCustomElementPropertiesToEditor(int element)
7927 {
7928   int i;
7929   int current_change_page = element_info[element].current_change_page;
7930
7931   /* dynamically (re)build selectbox for selecting change page */
7932   for (i = 0; i < element_info[element].num_change_pages; i++)
7933   {
7934     sprintf(options_change_page_strings[i], "%d", i + 1);
7935
7936     options_change_page[i].value = i;
7937     options_change_page[i].text = options_change_page_strings[i];
7938   }
7939
7940   options_change_page[i].value = -1;
7941   options_change_page[i].text = NULL;
7942
7943   /* needed here to initialize combined element properties */
7944   InitElementPropertiesEngine(level.game_version);
7945
7946   element_info[element].change =
7947     &element_info[element].change_page[current_change_page];
7948
7949   custom_element = element_info[element];
7950   custom_element_change = *element_info[element].change;
7951
7952   /* needed to initially set selectbox options for special action options */
7953   setSelectboxSpecialActionOptions();
7954
7955   /* needed to initially set selectbox value variables to reliable defaults */
7956   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7957     setSelectboxValue(i, *selectbox_info[i].value);
7958
7959   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7960     custom_element_properties[i] = HAS_PROPERTY(element, i);
7961
7962   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7963     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7964
7965   /* ---------- element settings: configure (custom elements) ------------- */
7966
7967   /* set accessible layer selectbox help value */
7968   custom_element.access_type =
7969     (IS_WALKABLE(element) ? EP_WALKABLE :
7970      IS_PASSABLE(element) ? EP_PASSABLE :
7971      custom_element.access_type);
7972   custom_element.access_layer =
7973     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7974      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7975      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7976      custom_element.access_layer);
7977   custom_element.access_protected =
7978     (IS_PROTECTED(element) ? 1 : 0);
7979   custom_element_properties[EP_ACCESSIBLE] =
7980     (IS_ACCESSIBLE_OVER(element) ||
7981      IS_ACCESSIBLE_INSIDE(element) ||
7982      IS_ACCESSIBLE_UNDER(element));
7983
7984   /* set walk-to-object action selectbox help value */
7985   custom_element.walk_to_action =
7986     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7987      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7988      IS_DROPPABLE(element) ? EP_DROPPABLE :
7989      IS_THROWABLE(element) ? EP_THROWABLE :
7990      IS_PUSHABLE(element) ? EP_PUSHABLE :
7991      custom_element.walk_to_action);
7992   custom_element_properties[EP_WALK_TO_OBJECT] =
7993     (IS_DIGGABLE(element) ||
7994      IS_COLLECTIBLE_ONLY(element) ||
7995      IS_DROPPABLE(element) ||
7996      IS_THROWABLE(element) ||
7997      IS_PUSHABLE(element));
7998
7999   /* set smash targets selectbox help value */
8000   custom_element.smash_targets =
8001     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8002      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8003      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8004      custom_element.smash_targets);
8005   custom_element_properties[EP_CAN_SMASH] =
8006     (CAN_SMASH_EVERYTHING(element) ||
8007      CAN_SMASH_ENEMIES(element) ||
8008      CAN_SMASH_PLAYER(element));
8009
8010   /* set deadliness selectbox help value */
8011   custom_element.deadliness =
8012     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8013      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8014      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8015      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8016      custom_element.deadliness);
8017   custom_element_properties[EP_DEADLY] =
8018     (DONT_TOUCH(element) ||
8019      DONT_GET_HIT_BY(element) ||
8020      DONT_COLLIDE_WITH(element) ||
8021      DONT_RUN_INTO(element));
8022
8023   /* ---------- element settings: advanced (custom elements) --------------- */
8024
8025   /* set "change by direct action" selectbox help value */
8026   custom_element_change.direct_action =
8027     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8028      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8029      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8030      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8031      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8032      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8033      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8034      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8035      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8036      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8037      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8038      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8039      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8040      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8041      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8042      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8043      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8044      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8045      custom_element_change.direct_action);
8046
8047   /* set "change by other element action" selectbox help value */
8048   custom_element_change.other_action =
8049     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8050      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8051      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8052      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8053      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8054      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8055      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8056      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8057      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8058      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8059      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8060      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8061      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8062      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8063      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8064      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8065      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8066      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8067      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8068      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8069      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8070      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8071      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8072      custom_element_change.other_action);
8073 }
8074
8075 static void CopyGroupElementPropertiesToEditor(int element)
8076 {
8077   group_element_info = *element_info[element].group;
8078   custom_element = element_info[element];       /* needed for description */
8079 }
8080
8081 static void CopyClassicElementPropertiesToEditor(int element)
8082 {
8083   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8084     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8085       getMoveIntoAcidProperty(&level, element);
8086
8087   if (MAYBE_DONT_COLLIDE_WITH(element))
8088     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8089       getDontCollideWithProperty(&level, element);
8090 }
8091
8092 static void CopyElementPropertiesToEditor(int element)
8093 {
8094   if (IS_CUSTOM_ELEMENT(element))
8095     CopyCustomElementPropertiesToEditor(element);
8096   else if (IS_GROUP_ELEMENT(element))
8097     CopyGroupElementPropertiesToEditor(element);
8098   else
8099     CopyClassicElementPropertiesToEditor(element);
8100 }
8101
8102 static boolean AskToCopyAndModifyLevelTemplate()
8103 {
8104   if (Request("Copy and modify settings from level template?", REQ_ASK))
8105   {
8106     level.use_custom_template = FALSE;
8107
8108     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8109                  GDI_CHECKED, FALSE, GDI_END);
8110     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8111                  GDI_CHECKED, FALSE, GDI_END);
8112
8113     return TRUE;
8114   }
8115   else
8116   {
8117     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8118
8119     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8120
8121     return FALSE;
8122   }
8123 }
8124
8125 static void CopyCustomElementPropertiesToGame(int element)
8126 {
8127   int i;
8128   int access_type_and_layer;
8129
8130   /* mark that this custom element has been modified */
8131   custom_element.modified_settings = TRUE;
8132   level.changed = TRUE;
8133
8134   if (level.use_custom_template)
8135     AskToCopyAndModifyLevelTemplate();
8136
8137   element_info[element] = custom_element;
8138   *element_info[element].change = custom_element_change;
8139
8140   /* ---------- element settings: configure (custom elements) ------------- */
8141
8142   /* set accessible property from checkbox and selectbox */
8143   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8144   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8145   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8146   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8147   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8148   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8149   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8150                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8151                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8152   custom_element_properties[access_type_and_layer] =
8153     custom_element_properties[EP_ACCESSIBLE];
8154   custom_element_properties[EP_PROTECTED] =
8155     (custom_element.access_protected != 0 &&
8156      custom_element_properties[EP_ACCESSIBLE]);
8157
8158   /* set walk-to-object property from checkbox and selectbox */
8159   custom_element_properties[EP_DIGGABLE] = FALSE;
8160   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8161   custom_element_properties[EP_DROPPABLE] = FALSE;
8162   custom_element_properties[EP_THROWABLE] = FALSE;
8163   custom_element_properties[EP_PUSHABLE] = FALSE;
8164   custom_element_properties[custom_element.walk_to_action] =
8165     custom_element_properties[EP_WALK_TO_OBJECT];
8166
8167   /* set smash property from checkbox and selectbox */
8168   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8169   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8170   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8171   custom_element_properties[custom_element.smash_targets] =
8172     custom_element_properties[EP_CAN_SMASH];
8173
8174   /* set deadliness property from checkbox and selectbox */
8175   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8176   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8177   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8178   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8179   custom_element_properties[custom_element.deadliness] =
8180     custom_element_properties[EP_DEADLY];
8181
8182   /* ---------- element settings: advanced (custom elements) --------------- */
8183
8184   /* set player change event from checkbox and selectbox */
8185   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8186   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8187   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8188   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8189   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8190   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8191   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8192   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8193   custom_element_change_events[CE_SWITCHED] = FALSE;
8194   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8195   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8196   custom_element_change_events[CE_BLOCKED] = FALSE;
8197   custom_element_change_events[CE_IMPACT] = FALSE;
8198   custom_element_change_events[CE_SMASHED] = FALSE;
8199   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8200   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8201   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8202   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8203   custom_element_change_events[custom_element_change.direct_action] =
8204     custom_element_change_events[CE_BY_DIRECT_ACTION];
8205
8206   /* set other element action change event from checkbox and selectbox */
8207   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8208   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8209   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8210   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8211   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8212   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8213   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8214   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8215   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8216   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8217   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8218   custom_element_change_events[CE_HITTING_X] = FALSE;
8219   custom_element_change_events[CE_DIGGING_X] = FALSE;
8220   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8221   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8222   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8223   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8224   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8225   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8226   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8227   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8228   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8229   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8230   custom_element_change_events[custom_element_change.other_action] =
8231     custom_element_change_events[CE_BY_OTHER_ACTION];
8232
8233   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8234     SET_PROPERTY(element, i, custom_element_properties[i]);
8235
8236   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8237     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8238
8239   /* copy change events also to special level editor variable */
8240   custom_element = element_info[element];
8241   custom_element_change = *element_info[element].change;
8242 }
8243
8244 static void CopyGroupElementPropertiesToGame(int element)
8245 {
8246   /* mark that this group element has been modified */
8247   custom_element.modified_settings = TRUE;
8248   level.changed = TRUE;
8249
8250   if (level.use_custom_template)
8251     AskToCopyAndModifyLevelTemplate();
8252
8253   element_info[element] = custom_element;
8254   *element_info[element].group = group_element_info;
8255 }
8256
8257 static void CopyClassicElementPropertiesToGame(int element)
8258 {
8259   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8260     setMoveIntoAcidProperty(&level, element,
8261                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8262
8263   if (MAYBE_DONT_COLLIDE_WITH(element))
8264     setDontCollideWithProperty(&level, element,
8265                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8266 }
8267
8268 static void CopyElementPropertiesToGame(int element)
8269 {
8270   if (IS_CUSTOM_ELEMENT(element))
8271     CopyCustomElementPropertiesToGame(element);
8272   else if (IS_GROUP_ELEMENT(element))
8273     CopyGroupElementPropertiesToGame(element);
8274   else
8275     CopyClassicElementPropertiesToGame(element);
8276 }
8277
8278 void CheckElementDescriptions()
8279 {
8280   int i;
8281
8282   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8283     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8284       Error(ERR_WARN, "no element description file for element '%s'",
8285             EL_NAME(i));
8286 }
8287
8288 static int getMaxEdFieldX(boolean has_scrollbar)
8289 {
8290   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8291   int sxsize = SXSIZE - scrollbar_width;
8292   int max_ed_fieldx = sxsize / ed_tilesize;
8293
8294   return max_ed_fieldx;
8295 }
8296
8297 static int getMaxEdFieldY(boolean has_scrollbar)
8298 {
8299   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8300                          INFOTEXT_YSIZE_FULL : 0);
8301   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8302   int sysize = SYSIZE - scrollbar_height - infotext_height;
8303   int max_ed_fieldy = sysize / ed_tilesize;
8304
8305   return max_ed_fieldy;
8306 }
8307
8308 void InitZoomLevelSettings(int zoom_tilesize)
8309 {
8310   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8311
8312   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8313   {
8314     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8315     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8316
8317     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8318     {
8319       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8320       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8321     }
8322   }
8323
8324   last_game_engine_type = level.game_engine_type;
8325
8326   // limit zoom tilesize by upper and lower bound
8327   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8328
8329   // store zoom tilesize in auto setup file only if it was manually changed
8330   if (zoom_tilesize != -1)
8331     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8332
8333   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8334   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8335 }
8336
8337 static void InitDrawingElements()
8338 {
8339   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8340
8341   if (level.game_engine_type == game_engine_type_last)
8342     return;
8343
8344   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8345   {
8346     new_element1 = EL_SP_CHIP_SINGLE;
8347     new_element2 = EL_EMPTY;
8348     new_element3 = EL_SP_BASE;
8349   }
8350   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8351   {
8352     new_element1 = EL_MM_MIRROR_START;
8353     new_element2 = EL_EMPTY;
8354     new_element3 = EL_MM_WOODEN_WALL;
8355   }
8356   else
8357   {
8358     new_element1 = EL_WALL;
8359     new_element2 = EL_EMPTY;
8360     new_element3 = EL_SAND;
8361   }
8362
8363   game_engine_type_last = level.game_engine_type;
8364 }
8365
8366 static void InitLevelSetInfo()
8367 {
8368   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8369            "%s", leveldir_current->name);
8370   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8371            "%s", leveldir_current->author);
8372
8373   levelset_num_levels = leveldir_current->levels;
8374
8375   levelset_use_levelset_artwork = FALSE;
8376   levelset_copy_level_template = FALSE;
8377
8378   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8379 }
8380
8381 static void ChangeEditorToLevelSet(char *levelset_subdir)
8382 {
8383   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8384
8385   // the previous level set might have used custom artwork
8386   ReloadCustomArtwork(0);
8387
8388   LoadLevelSetup_SeriesInfo();
8389
8390   SaveLevelSetup_LastSeries();
8391   SaveLevelSetup_SeriesInfo();
8392
8393   TapeErase();
8394
8395   LoadLevel(level_nr);
8396   LoadScore(level_nr);
8397
8398   DrawLevelEd();
8399 }
8400
8401 static boolean useEditorDoorAnimation()
8402 {
8403   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8404   boolean door_1_viewport_unchanged =
8405     (vp_door_1->x      == DX     &&
8406      vp_door_1->y      == DY     &&
8407      vp_door_1->width  == DXSIZE &&
8408      vp_door_1->height == DYSIZE);
8409   boolean door_1_contains_toolbox =
8410     (EX >= DX &&
8411      EY >= DY &&
8412      EX + EXSIZE <= DX + DXSIZE &&
8413      EY + EYSIZE <= DY + DYSIZE);
8414
8415   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8416 }
8417
8418 void DrawEditorDoorContent()
8419 {
8420   /* needed for gadgets drawn on background (like palette scrollbar) */
8421   SetDoorBackgroundImage(IMG_UNDEFINED);
8422
8423   /* copy default editor door content to main double buffer */
8424   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8425              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8426              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8427              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8428              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8429              DX, DY);
8430
8431   /* draw bigger door */
8432   DrawSpecialEditorDoor();
8433
8434   /* draw new control window */
8435   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8436              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8437              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8438              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8439              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8440              EX, EY);
8441
8442   /* draw all toolbox gadgets to editor doors */
8443   MapControlButtons();
8444
8445   /* draw all palette gadgets to editor doors */
8446   ModifyEditorElementList();
8447   RedrawDrawingElements();
8448
8449   /* copy actual editor door content to door double buffer for OpenDoor() */
8450   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8451 }
8452
8453 void DrawLevelEd()
8454 {
8455   int fade_mask = REDRAW_FIELD;
8456
8457   FadeSoundsAndMusic();
8458
8459   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8460     fade_mask = REDRAW_ALL;
8461
8462   FadeOut(fade_mask);
8463
8464   /* needed if different viewport properties defined for editor */
8465   ChangeViewportPropertiesIfNeeded();
8466
8467   ClearField();
8468
8469   InitZoomLevelSettings(-1);
8470   InitDrawingElements();
8471   InitLevelSetInfo();
8472
8473 #if DEBUG
8474   CheckElementDescriptions();
8475 #endif
8476
8477   if (level_editor_test_game)
8478   {
8479     CopyPlayfield(level.field, Feld);
8480     CopyPlayfield(FieldBackup, level.field);
8481
8482     level_editor_test_game = FALSE;
8483   }
8484   else
8485   {
8486     edit_mode = ED_MODE_DRAWING;
8487     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8488     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8489
8490     ResetUndoBuffer();
8491
8492     level_xpos = -1;
8493     level_ypos = -1;
8494   }
8495
8496   // redraw_mask |= REDRAW_ALL;
8497
8498   FreeLevelEditorGadgets();
8499   CreateLevelEditorGadgets();
8500
8501   ReinitializeElementList();            /* update dynamic level element list */
8502   ReinitializeElementListButtons();     /* custom element may look different */
8503
8504   InitElementPropertiesGfxElement();
8505
8506   UnmapAllGadgets();
8507
8508   DrawDrawingWindow_PlayfieldOnly();
8509
8510   DrawMaskedBorder(fade_mask);
8511
8512   // use door animation if door 1 viewport is unchanged and contains toolbox
8513   if (useEditorDoorAnimation())
8514   {
8515     FadeIn(fade_mask);
8516
8517     DrawEditorDoorContent();
8518
8519     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8520   }
8521   else
8522   {
8523     DrawEditorDoorContent();
8524
8525     FadeIn(fade_mask);
8526   }
8527
8528   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8529 }
8530
8531 static void AdjustDrawingAreaGadgets()
8532 {
8533   int ed_xsize = lev_fieldx + 2;
8534   int ed_ysize = lev_fieldy + 2;
8535   int max_ed_fieldx = MAX_ED_FIELDX;
8536   int max_ed_fieldy = MAX_ED_FIELDY;
8537   boolean horizontal_scrollbar_needed;
8538   boolean vertical_scrollbar_needed;
8539   int x, y, width, height;
8540
8541   if (suppressBorderElement())
8542   {
8543     ed_xsize = max_ed_fieldx;
8544     ed_ysize = max_ed_fieldy;
8545   }
8546
8547   /* check if we need any scrollbars */
8548   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8549   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8550
8551   /* check if we have a smaller editor field because of scrollbars */
8552   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8553   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8554
8555   /* check again if we now need more scrollbars because of less space */
8556   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8557   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8558
8559   /* check if editor field gets even smaller after adding new scrollbars */
8560   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8561   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8562
8563   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8564   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8565
8566   x = SX + ed_fieldx * ed_tilesize;
8567   y = SY + ed_fieldy * ed_tilesize;
8568
8569   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8570   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8571
8572   /* adjust drawing area gadget */
8573   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8574                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8575                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8576                GDI_END);
8577
8578   /* adjust horizontal scrollbar gadgets */
8579   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8580                GDI_Y, y,
8581                GDI_END);
8582   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8583                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8584                GDI_Y, y,
8585                GDI_END);
8586   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8587                GDI_Y, y,
8588                GDI_WIDTH, width,
8589                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8590                GDI_END);
8591
8592   /* adjust vertical scrollbar gadgets */
8593   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8594                GDI_X, x,
8595                GDI_END);
8596   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8597                GDI_X, x,
8598                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8599                GDI_END);
8600   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8601                GDI_X, x,
8602                GDI_HEIGHT, height,
8603                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8604                GDI_END);
8605 }
8606
8607 static void AdjustLevelScrollPosition()
8608 {
8609   if (level_xpos < -1)
8610     level_xpos = -1;
8611   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8612     level_xpos = lev_fieldx - ed_fieldx + 1;
8613   if (lev_fieldx < ed_fieldx - 2)
8614     level_xpos = -1;
8615
8616   if (level_ypos < -1)
8617     level_ypos = -1;
8618   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8619     level_ypos = lev_fieldy - ed_fieldy + 1;
8620   if (lev_fieldy < ed_fieldy - 2)
8621     level_ypos = -1;
8622
8623   if (suppressBorderElement())
8624   {
8625     level_xpos = 0;
8626     level_ypos = 0;
8627   }
8628 }
8629
8630 static void AdjustEditorScrollbar(int id)
8631 {
8632   struct GadgetInfo *gi = level_editor_gadget[id];
8633   int items_max, items_visible, item_position;
8634
8635   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8636   {
8637     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8638     items_visible = ed_fieldx;
8639     item_position = level_xpos + 1;
8640   }
8641   else
8642   {
8643     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8644     items_visible = ed_fieldy;
8645     item_position = level_ypos + 1;
8646   }
8647
8648   if (item_position > items_max - items_visible)
8649     item_position = items_max - items_visible;
8650
8651   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8652                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8653 }
8654
8655 static void AdjustElementListScrollbar()
8656 {
8657   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8658   int items_max, items_visible, item_position;
8659
8660   /* correct position of element list scrollbar */
8661   if (element_shift < 0)
8662     element_shift = 0;
8663   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8664     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8665
8666   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8667   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8668   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8669
8670   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8671                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8672                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8673 }
8674
8675 static void ModifyEditorCounterValue(int counter_id, int new_value)
8676 {
8677   int *counter_value = counterbutton_info[counter_id].value;
8678   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8679   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8680
8681   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8682
8683   if (counter_value != NULL)
8684     *counter_value = gi->textinput.number_value;
8685 }
8686
8687 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8688 {
8689   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8690   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8691
8692   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8693
8694   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8695       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8696   {
8697     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8698     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8699
8700     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8701     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8702                  GDI_END);
8703   }
8704 }
8705
8706 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8707 {
8708   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8709   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8710   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8711
8712   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8713 }
8714
8715 static void ModifyEditorSelectboxOptions(int selectbox_id,
8716                                          struct ValueTextInfo *options)
8717 {
8718   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8719   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8720
8721   selectbox_info[selectbox_id].options = options;
8722
8723   /* set index to zero -- list may be shorter now (correct later, if needed) */
8724   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8725                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8726 }
8727
8728 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8729 {
8730   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8731   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8732
8733   drawingarea_info[drawingarea_id].area_xsize = xsize;
8734   drawingarea_info[drawingarea_id].area_ysize = ysize;
8735
8736   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8737 }
8738
8739 static void ModifyEditorElementList()
8740 {
8741   int i;
8742
8743   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8744     return;
8745
8746   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8747   {
8748     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8749     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8750     struct GadgetDesign *gd = &gi->deco.design;
8751     int element = editor_elements[element_shift + i];
8752     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8753
8754     UnmapGadget(gi);
8755
8756     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8757
8758     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8759
8760     MapGadget(gi);
8761   }
8762 }
8763
8764 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8765 {
8766   int graphic = el2edimg(element);
8767   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8768
8769   if (pos->x == -1 &&
8770       pos->y == -1)
8771     return;
8772
8773   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8774 }
8775
8776 static void ModifyDrawingElementButton(int element, int id)
8777 {
8778   struct GadgetInfo *gi = level_editor_gadget[id];
8779   Bitmap *deco_bitmap;
8780   int deco_x, deco_y;
8781   int tile_size = gi->deco.width;
8782
8783   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8784
8785   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8786 }
8787
8788 static void PickDrawingElement(int button, int element)
8789 {
8790   struct
8791   {
8792     int *new_element;
8793     struct XYTileSize *pos;
8794     int id;
8795   } de, drawing_elements[] =
8796   {
8797     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8798     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8799     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8800   };
8801
8802   if (button < 1 || button > 3)
8803     return;
8804
8805   if (IS_MM_WALL(element))
8806     element = map_mm_wall_element(element);
8807
8808   de = drawing_elements[button - 1];
8809
8810   *de.new_element = element;    // update global drawing element variable
8811
8812   DrawDrawingElementGraphic(element, de.pos);
8813   ModifyDrawingElementButton(element, de.id);
8814
8815   redraw_mask |= REDRAW_DOOR_1;
8816 }
8817
8818 static void RedrawDrawingElements()
8819 {
8820   PickDrawingElement(1, new_element1);
8821   PickDrawingElement(2, new_element2);
8822   PickDrawingElement(3, new_element3);
8823 }
8824
8825 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8826 {
8827   stick_element_properties_window = FALSE;
8828
8829   SetMainBackgroundImage(IMG_UNDEFINED);
8830   ClearField();
8831
8832   UnmapLevelEditorFieldGadgets();
8833
8834   AdjustDrawingAreaGadgets();
8835   AdjustLevelScrollPosition();
8836   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8837   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8838
8839   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8840
8841   MapMainDrawingArea();
8842
8843   if (remap_toolbox_gadgets)
8844   {
8845     UnmapLevelEditorToolboxCustomGadgets();
8846     MapLevelEditorToolboxDrawingGadgets();
8847   }
8848 }
8849
8850 static void DrawDrawingWindow()
8851 {
8852   DrawDrawingWindowExt(TRUE);
8853 }
8854
8855 static void DrawDrawingWindow_PlayfieldOnly()
8856 {
8857   DrawDrawingWindowExt(FALSE);
8858 }
8859
8860 static int getTabulatorBarWidth()
8861 {
8862   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8863   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8864
8865   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8866 }
8867
8868 static int getTabulatorBarHeight()
8869 {
8870   return ED_TAB_BAR_HEIGHT;
8871 }
8872
8873 static Pixel getTabulatorBarColor()
8874 {
8875   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8876   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8877   int gd_x = gd->x + gd_gi1->border.width / 2;
8878   int gd_y = gd->y + gd_gi1->height - 1;
8879
8880   return GetPixel(gd->bitmap, gd_x, gd_y);
8881 }
8882
8883 static void DrawLevelInfoTabulatorGadgets()
8884 {
8885   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8886   Pixel tab_color = getTabulatorBarColor();
8887   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8888   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8889   int i;
8890
8891   for (i = id_first; i <= id_last; i++)
8892   {
8893     int gadget_id = textbutton_info[i].gadget_id;
8894     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8895     boolean active = (i != edit_mode_levelinfo);
8896
8897     /* draw background line below tabulator button */
8898     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8899
8900     /* draw solid line below inactive tabulator buttons */
8901     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8902       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8903                     ED_GADGET_TINY_DISTANCE, tab_color);
8904
8905     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8906     MapTextbuttonGadget(i);
8907   }
8908
8909   /* draw little border line below tabulator buttons */
8910   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8911     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8912                   ED_GADGET_TINY_DISTANCE,
8913                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8914 }
8915
8916 static void DrawPropertiesTabulatorGadgets()
8917 {
8918   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8919   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8920   int gd_x = gd->x + gd_gi1->border.width / 2;
8921   int gd_y = gd->y + gd_gi1->height - 1;
8922   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8923   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8924   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8925   int i;
8926
8927   /* draw two config tabulators for player elements */
8928   if (ELEM_IS_PLAYER(properties_element))
8929     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8930
8931   /* draw two config and one "change" tabulator for custom elements */
8932   if (IS_CUSTOM_ELEMENT(properties_element))
8933     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8934
8935   for (i = id_first; i <= id_last; i++)
8936   {
8937     int gadget_id = textbutton_info[i].gadget_id;
8938     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8939     boolean active = (i != edit_mode_properties);
8940
8941     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8942     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8943         (ELEM_IS_PLAYER(properties_element) ||
8944          IS_CUSTOM_ELEMENT(properties_element)))
8945       continue;
8946
8947     /* draw background line below tabulator button */
8948     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8949
8950     /* draw solid line below inactive tabulator buttons */
8951     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8952       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8953                     ED_GADGET_TINY_DISTANCE, tab_color);
8954
8955     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8956     MapTextbuttonGadget(i);
8957   }
8958
8959   /* draw little border line below tabulator buttons */
8960   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8961     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8962                   ED_GADGET_TINY_DISTANCE,
8963                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8964 }
8965
8966 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8967 {
8968   DrawText(SX + xpos, SY + ypos, text, font_nr);
8969 }
8970
8971 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8972                                            int xpos, int ypos)
8973 {
8974   int font_width = getFontWidth(font_nr);
8975   int font_height = getFontHeight(font_nr);
8976   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8977   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8978
8979   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8980                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8981                       TRUE, FALSE, FALSE);
8982 }
8983
8984 static void DrawLevelInfoLevel()
8985 {
8986   int i;
8987
8988   /* draw counter gadgets */
8989   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8990     MapCounterButtons(i);
8991
8992   /* draw checkbutton gadgets */
8993   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8994     MapCheckbuttonGadget(i);
8995
8996   /* draw selectbox gadgets */
8997   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8998     MapSelectboxGadget(i);
8999
9000   /* draw text input gadgets */
9001   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9002     MapTextInputGadget(i);
9003 }
9004
9005 static char *getLevelSubdirFromSaveMode(int save_mode)
9006 {
9007   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9008     return getNewUserLevelSubdir();
9009
9010   return leveldir_current->subdir;
9011 }
9012
9013 static void DrawLevelInfoLevelSet_DirectoryInfo()
9014 {
9015   char *directory_text = "Level set directory:";
9016   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9017   int font1_nr = FONT_TEXT_1;
9018   int font2_nr = FONT_TEXT_2;
9019   int font1_height = getFontHeight(font1_nr);
9020   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9021   int x = ED_LEVEL_SETTINGS_X(0);
9022   int y = ED_LEVEL_SETTINGS_Y(6);
9023
9024   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9025   PrintInfoText(directory_name, font2_nr, x, y);
9026 }
9027
9028 static void DrawLevelInfoLevelSet()
9029 {
9030   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9031   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9032   int i;
9033
9034   /* draw counter gadgets */
9035   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9036     MapCounterButtons(i);
9037
9038   /* draw checkbutton gadgets */
9039   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9040   {
9041     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9042         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9043         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9044       continue;
9045
9046     MapCheckbuttonGadget(i);
9047   }
9048
9049   /* draw selectbox gadgets */
9050   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9051     MapSelectboxGadget(i);
9052
9053   /* draw text input gadgets */
9054   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9055     MapTextInputGadget(i);
9056
9057   /* draw textbutton gadgets */
9058   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9059
9060   /* draw info text */
9061   DrawLevelInfoLevelSet_DirectoryInfo();
9062 }
9063
9064 static void DrawLevelInfoEditor()
9065 {
9066   int i;
9067
9068   /* draw counter gadgets */
9069   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9070     MapCounterButtons(i);
9071
9072   /* draw checkbutton gadgets */
9073   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9074     MapCheckbuttonGadget(i);
9075
9076   /* draw radiobutton gadgets */
9077   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9078     MapRadiobuttonGadget(i);
9079
9080   /* draw drawing area */
9081   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9082
9083   /* draw textbutton gadgets */
9084   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9085 }
9086
9087 static void DrawLevelInfoWindow()
9088 {
9089   char *text = "Global Settings";
9090   int font_nr = FONT_TITLE_1;
9091   struct MenuPosInfo *pos = &editor.settings.headline;
9092   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9093   int sy = SY + pos->y;
9094
9095   stick_element_properties_window = FALSE;
9096
9097   SetAutomaticNumberOfGemsNeeded();
9098
9099   UnmapLevelEditorFieldGadgets();
9100
9101   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9102   ClearField();
9103
9104   DrawText(sx, sy, text, font_nr);
9105
9106   DrawLevelInfoTabulatorGadgets();
9107
9108   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9109     DrawLevelInfoLevel();
9110   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9111     DrawLevelInfoLevelSet();
9112   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9113     DrawLevelInfoEditor();
9114 }
9115
9116 static void DrawCustomContentArea()
9117 {
9118   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9119   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9120   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9121   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9122   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9123   int xoffset = ED_GADGET_SPACE_DISTANCE;
9124
9125   /* add distance for potential left text (without drawing area border) */
9126   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9127
9128   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9129
9130   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9131 }
9132
9133 static void DrawCustomChangeContentArea()
9134 {
9135   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9136   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9137   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9138   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9139   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9140   int xoffset = ED_GADGET_SPACE_DISTANCE;
9141
9142   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9143
9144   MapDrawingArea(id);
9145 }
9146
9147 static void RemoveElementContentArea(int id, int font_height)
9148 {
9149   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9150
9151   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9152                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9153                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9154                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9155                  ED_GADGET_TEXT_DISTANCE + font_height);
9156 }
9157
9158 static void DrawYamYamContentAreas()
9159 {
9160   int font_nr = FONT_TEXT_1;
9161   int font_height = getFontHeight(font_nr);
9162   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9163   int yoffset = (tilesize - font_height) / 2;
9164   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9165   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9166   int i;
9167
9168   /* display counter to choose number of element content areas */
9169   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9170
9171   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9172   {
9173     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9174
9175     if (i < level.num_yamyam_contents)
9176     {
9177       MapDrawingArea(id);
9178     }
9179     else
9180     {
9181       UnmapDrawingArea(id);
9182
9183       /* delete content areas in case of reducing number of them */
9184       RemoveElementContentArea(id, font_height);
9185     }
9186   }
9187
9188   DrawText(x, y + 0 * tilesize, "content", font_nr);
9189   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9190   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9191 }
9192
9193 static void DrawMagicBallContentAreas()
9194 {
9195   int font_nr = FONT_TEXT_1;
9196   int font_height = getFontHeight(font_nr);
9197   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9198   int yoffset = (tilesize - font_height) / 2;
9199   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9200   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9201   int i;
9202
9203   /* display counter to choose number of element content areas */
9204   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9205
9206   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9207   {
9208     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9209
9210     if (i < level.num_ball_contents)
9211     {
9212       MapDrawingArea(id);
9213     }
9214     else
9215     {
9216       UnmapDrawingArea(id);
9217
9218       /* delete content areas in case of reducing number of them */
9219       RemoveElementContentArea(id, font_height);
9220     }
9221   }
9222
9223   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9224   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9225   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9226 }
9227
9228 static void DrawAndroidElementArea(int element)
9229 {
9230   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9231   int num_elements = level.num_android_clone_elements;
9232   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9233   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9234   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9235   int xsize = MAX_ANDROID_ELEMENTS;
9236   int ysize = 1;
9237
9238   /* display counter to choose number of element areas */
9239   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9240
9241   if (drawingarea_info[id].text_left != NULL)
9242     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9243
9244   UnmapDrawingArea(id);
9245
9246   ModifyEditorDrawingArea(id, num_elements, 1);
9247
9248   /* delete content areas in case of reducing number of them */
9249   DrawBackground(sx, sy,
9250                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9251                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9252
9253   MapDrawingArea(id);
9254 }
9255
9256 static void DrawGroupElementArea(int element)
9257 {
9258   int id = ED_DRAWING_ID_GROUP_CONTENT;
9259   int num_elements = group_element_info.num_elements;
9260   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9261   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9262   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9263   int xsize = MAX_ELEMENTS_IN_GROUP;
9264   int ysize = 1;
9265
9266   if (drawingarea_info[id].text_left != NULL)
9267     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9268
9269   UnmapDrawingArea(id);
9270
9271   ModifyEditorDrawingArea(id, num_elements, 1);
9272
9273   /* delete content areas in case of reducing number of them */
9274   DrawBackground(sx, sy,
9275                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9276                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9277
9278   MapDrawingArea(id);
9279 }
9280
9281 static void DrawPlayerInitialInventoryArea(int element)
9282 {
9283   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9284   int player_nr = GET_PLAYER_NR(element);
9285   int num_elements = level.initial_inventory_size[player_nr];
9286   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9287   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9288   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9289   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9290   int ysize = 1;
9291
9292   /* determine horizontal position to the right of specified gadget */
9293   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9294     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9295           ED_DRAWINGAREA_TEXT_DISTANCE);
9296
9297   /* determine horizontal offset for leading text */
9298   if (drawingarea_info[id].text_left != NULL)
9299     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9300
9301   UnmapDrawingArea(id);
9302
9303   ModifyEditorDrawingArea(id, num_elements, 1);
9304
9305   /* delete content areas in case of reducing number of them */
9306   DrawBackground(sx, sy,
9307                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9308                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9309
9310   MapDrawingArea(id);
9311 }
9312
9313 static void DrawEnvelopeTextArea(int envelope_nr)
9314 {
9315   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9316   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9317
9318   UnmapGadget(gi);
9319   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9320
9321   if (envelope_nr != -1)
9322     textarea_info[id].value = level.envelope[envelope_nr].text;
9323
9324   ModifyGadget(gi, GDI_AREA_SIZE,
9325                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9326                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9327                GDI_END);
9328
9329   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9330 }
9331
9332 static void DrawPropertiesInfo()
9333 {
9334   static struct
9335   {
9336     int value;
9337     char *text;
9338   }
9339   properties[] =
9340   {
9341     /* configurable properties */
9342
9343     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9344     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9345     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9346     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9347     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9348     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9349     { EP_PROTECTED,             "- player is protected by it"           },
9350
9351     { EP_DIGGABLE,              "- can be digged away"                  },
9352     { EP_COLLECTIBLE,           "- can be collected"                    },
9353     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9354     { EP_THROWABLE,             "- can be thrown after collecting"      },
9355     { EP_PUSHABLE,              "- can be pushed"                       },
9356
9357     { EP_CAN_FALL,              "- can fall"                            },
9358     { EP_CAN_MOVE,              "- can move"                            },
9359
9360     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9361 #if 0
9362     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9363 #endif
9364     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9365
9366     { EP_SLIPPERY,              "- slippery for falling elements"       },
9367     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9368
9369     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9370     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9371     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9372     { EP_DONT_TOUCH,            "- deadly when touching"                },
9373
9374     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9375
9376     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9377     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9378     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9379
9380     { EP_CAN_CHANGE,            "- can change to other element"         },
9381
9382     /* pre-defined properties */
9383     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9384     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9385     { EP_SWITCHABLE,            "- can be switched"                     },
9386 #if 0
9387     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9388 #endif
9389
9390     { -1,                       NULL                                    }
9391   };
9392   char *filename = getElementDescriptionFilename(properties_element);
9393   char *percentage_text = "In this level: ";
9394   char *properties_text = "Standard properties: ";
9395   char *description_text = "Description:";
9396   char *no_description_text = "No description available.";
9397   char *none_text = "None";
9398   float percentage;
9399   int num_elements_in_level;
9400   int num_standard_properties = 0;
9401   int font1_nr = FONT_TEXT_1;
9402   int font2_nr = FONT_TEXT_2;
9403   int font1_width = getFontWidth(font1_nr);
9404   int font1_height = getFontHeight(font1_nr);
9405   int font2_height = getFontHeight(font2_nr);
9406   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9407   int font2_yoffset = (font1_height - font2_height) / 2;
9408   int percentage_text_len = strlen(percentage_text) * font1_width;
9409   int properties_text_len = strlen(properties_text) * font1_width;
9410   int xpos = ED_ELEMENT_SETTINGS_X(0);
9411   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9412   int i, x, y;
9413
9414   if (setup.editor.show_element_token)
9415   {
9416     int font3_nr = FONT_TEXT_3;
9417     int font3_height = getFontHeight(font3_nr);
9418
9419     DrawTextF(xpos, ypos, font3_nr,
9420               "[%s]", element_info[properties_element].token_name);
9421
9422     ypos += 2 * font3_height;
9423   }
9424
9425   /* ----- print number of elements / percentage of this element in level */
9426
9427   num_elements_in_level = 0;
9428   for (y = 0; y < lev_fieldy; y++)
9429     for (x = 0; x < lev_fieldx; x++)
9430       if (Feld[x][y] == properties_element)
9431         num_elements_in_level++;
9432   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9433
9434   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9435
9436   if (num_elements_in_level > 0)
9437     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9438               "%d (%.2f %%)", num_elements_in_level, percentage);
9439   else
9440     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9441               none_text);
9442
9443   ypos += 2 * MAX(font1_height, font2_height);
9444
9445   /* ----- print standard properties of this element */
9446
9447   DrawTextS(xpos, ypos, font1_nr, properties_text);
9448
9449   ypos += line1_height;
9450
9451   for (i = 0; properties[i].value != -1; i++)
9452   {
9453     if (!HAS_PROPERTY(properties_element, properties[i].value))
9454       continue;
9455
9456     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9457
9458     ypos += font2_height;
9459
9460     num_standard_properties++;
9461   }
9462
9463   if (num_standard_properties == 0)
9464   {
9465     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9466               font2_nr, none_text);
9467
9468     ypos -= (line1_height - font1_height);
9469   }
9470
9471   ypos += MAX(font1_height, font2_height);
9472
9473   /* ----- print special description of this element */
9474
9475   PrintInfoText(description_text, font1_nr, xpos, ypos);
9476
9477   ypos += line1_height;
9478
9479   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9480     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9481 }
9482
9483 #define TEXT_COLLECTING         "Score for collecting"
9484 #define TEXT_SMASHING           "Score for smashing"
9485 #define TEXT_SLURPING           "Score for slurping robot"
9486 #define TEXT_CRACKING           "Score for cracking"
9487 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9488 #define TEXT_DURATION           "Duration when activated"
9489 #define TEXT_DELAY_ON           "Delay before activating"
9490 #define TEXT_DELAY_OFF          "Delay before deactivating"
9491 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9492 #define TEXT_DELAY_MOVING       "Delay before moving"
9493 #define TEXT_BALL_DELAY         "Element generation delay"
9494 #define TEXT_MOVE_SPEED         "Speed of android moving"
9495 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9496 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9497 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9498 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9499 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9500 #define TEXT_TIME_BONUS         "Extra time to solve level"
9501
9502 static struct
9503 {
9504   int element;
9505   int *value;
9506   char *text;
9507 } elements_with_counter[] =
9508 {
9509   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9510   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9511   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9512   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9513   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9514   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9515   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9516   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9517   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9518   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9519   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9520   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9521   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9522   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9523   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9524   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9525   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9526   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9527   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9528   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9529   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9530   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9531   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9532   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9533   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9534   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9535   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9536   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9537   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9538   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9539   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9540   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9541   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9542   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9543   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9544   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9545   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9546   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9547   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9548   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9549   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9550   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9551   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9552   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9553   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9554   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9555   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9556   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9557   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9558   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9559   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9560   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9561   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9562   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9563   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9564   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9565   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9566   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9567   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9568   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9569   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9570   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9571   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9572   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9573   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9574   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9575   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9576   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9577   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9578   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9579   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9580   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9581   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9582   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9583   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9584   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9585   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9586   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9587   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9588   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9589   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9590   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9591   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9592
9593   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9594   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9595   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9596   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9597   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9598   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9599   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9600   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9601   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9602   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9603   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9604   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9605   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9606   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9607   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9608   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9609
9610   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9611   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9612   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9613   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9614   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9615   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9616   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9617   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9618   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9619   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9620   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9621   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9622   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9623
9624   { -1,                 NULL,                           NULL            }
9625 };
9626
9627 static boolean checkPropertiesConfig(int element)
9628 {
9629   int i;
9630
9631   if (IS_GEM(element) ||
9632       IS_CUSTOM_ELEMENT(element) ||
9633       IS_GROUP_ELEMENT(element) ||
9634       IS_BALLOON_ELEMENT(element) ||
9635       IS_ENVELOPE(element) ||
9636       IS_MM_MCDUFFIN(element) ||
9637       IS_DF_LASER(element) ||
9638       ELEM_IS_PLAYER(element) ||
9639       HAS_EDITOR_CONTENT(element) ||
9640       CAN_GROW(element) ||
9641       COULD_MOVE_INTO_ACID(element) ||
9642       MAYBE_DONT_COLLIDE_WITH(element) ||
9643       element == EL_SOKOBAN_OBJECT ||
9644       element == EL_SOKOBAN_FIELD_EMPTY ||
9645       element == EL_SOKOBAN_FIELD_FULL)
9646     return TRUE;
9647   else
9648     for (i = 0; elements_with_counter[i].element != -1; i++)
9649       if (elements_with_counter[i].element == element)
9650         return TRUE;
9651
9652   return FALSE;
9653 }
9654
9655 static void SetAutomaticNumberOfGemsNeeded()
9656 {
9657   int x, y;
9658
9659   if (!level.auto_count_gems)
9660     return;
9661
9662   level.gems_needed = 0;
9663
9664   for (x = 0; x < lev_fieldx; x++)
9665   {
9666     for (y = 0; y < lev_fieldy; y++)
9667     {
9668       int element = Feld[x][y];
9669
9670       if (IS_GEM(element) ||
9671           element == EL_MM_KETTLE ||
9672           element == EL_DF_CELL)
9673         level.gems_needed++;
9674     }
9675   }
9676
9677   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9678 }
9679
9680 static void DrawPropertiesConfig()
9681 {
9682   boolean draw_footer_line = FALSE;
9683   int max_num_element_counters = 4;
9684   int num_element_counters = 0;
9685   int i;
9686
9687   if (!checkPropertiesConfig(properties_element))
9688   {
9689     int xpos = ED_ELEMENT_SETTINGS_X(0);
9690     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9691
9692     PrintInfoText("No configuration options available.",
9693                   FONT_TEXT_1, xpos, ypos);
9694
9695     return;
9696   }
9697
9698   /* check if there are elements where a value can be chosen for */
9699   for (i = 0; elements_with_counter[i].element != -1; i++)
9700   {
9701     if (elements_with_counter[i].element == properties_element)
9702     {
9703       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9704
9705       counterbutton_info[counter_id].y =
9706         ED_ELEMENT_SETTINGS_YPOS(
9707                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9708                 (CAN_GROW(properties_element)                ? 1 : 0) +
9709                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9710                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9711                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9712                 num_element_counters);
9713
9714       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9715       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9716
9717       if (properties_element == EL_GAME_OF_LIFE ||
9718           properties_element == EL_BIOMAZE)
9719       {
9720         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9721         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9722       }
9723       else
9724       {
9725         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9726         counterbutton_info[counter_id].min_value = MIN_SCORE;
9727         counterbutton_info[counter_id].max_value = MAX_SCORE;
9728       }
9729
9730       MapCounterButtons(counter_id);
9731
9732       num_element_counters++;
9733       if (num_element_counters >= max_num_element_counters)
9734         break;
9735     }
9736   }
9737
9738   if (HAS_EDITOR_CONTENT(properties_element))
9739   {
9740     /* draw stickybutton gadget */
9741     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9742
9743     if (IS_AMOEBOID(properties_element))
9744       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9745     else if (properties_element == EL_YAMYAM ||
9746              properties_element == EL_YAMYAM_LEFT ||
9747              properties_element == EL_YAMYAM_RIGHT ||
9748              properties_element == EL_YAMYAM_UP ||
9749              properties_element == EL_YAMYAM_DOWN)
9750       DrawYamYamContentAreas();
9751     else if (properties_element == EL_EMC_MAGIC_BALL)
9752     {
9753       DrawMagicBallContentAreas();
9754
9755       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9756       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9757     }
9758     else if (properties_element == EL_EMC_ANDROID)
9759       DrawAndroidElementArea(properties_element);
9760   }
9761
9762   if (ELEM_IS_PLAYER(properties_element))
9763   {
9764     int player_nr = GET_PLAYER_NR(properties_element);
9765
9766     /* these properties can be set for every player individually */
9767
9768     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9769     {
9770       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9771         &level.start_element[player_nr];
9772       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9773         &level.artwork_element[player_nr];
9774       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9775         &level.explosion_element[player_nr];
9776
9777       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9778         &level.use_start_element[player_nr];
9779       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9780         &level.use_artwork_element[player_nr];
9781       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9782         &level.use_explosion_element[player_nr];
9783       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9784         &level.initial_player_gravity[player_nr];
9785
9786       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9787         &level.initial_player_stepsize[player_nr];
9788
9789       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9790       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9791                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9792                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9793       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9794       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9795       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9796       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9797       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9798       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9799       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9800       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9801       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9802       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9803
9804       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9805       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9806       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9807
9808       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9809     }
9810     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9811     {
9812       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9813         &level.initial_inventory_content[player_nr][0];
9814
9815       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9816         &level.initial_inventory_size[player_nr];
9817
9818       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9819         &level.use_initial_inventory[player_nr];
9820
9821       /* draw checkbutton gadgets */
9822       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9823
9824       /* draw counter gadgets */
9825       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9826
9827       /* draw drawing area gadgets */
9828       DrawPlayerInitialInventoryArea(properties_element);
9829     }
9830   }
9831
9832   if (IS_GEM(properties_element))
9833     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9834
9835   if (properties_element == EL_EM_DYNAMITE)
9836     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9837
9838   if (COULD_MOVE_INTO_ACID(properties_element) &&
9839       !ELEM_IS_PLAYER(properties_element) &&
9840       (!IS_CUSTOM_ELEMENT(properties_element) ||
9841        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9842   {
9843     /* set position for checkbutton for "can move into acid" */
9844     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9845       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9846     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9847       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9848                                IS_BALLOON_ELEMENT(properties_element) ||
9849                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9850
9851     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9852   }
9853
9854   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9855     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9856
9857   if (properties_element == EL_SPRING)
9858     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9859
9860   if (properties_element == EL_TIME_ORB_FULL)
9861     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9862
9863   if (CAN_GROW(properties_element))
9864   {
9865     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9866       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9867
9868     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9869   }
9870
9871   if (properties_element == EL_SOKOBAN_OBJECT ||
9872       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9873       properties_element == EL_SOKOBAN_FIELD_FULL)
9874     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9875
9876   if (IS_BALLOON_ELEMENT(properties_element))
9877     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9878
9879   if (IS_ENVELOPE(properties_element))
9880   {
9881     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9882     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9883     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9884     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9885     int envelope_nr = properties_element - EL_ENVELOPE_1;
9886
9887     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9888     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9889
9890     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9891     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9892
9893     /* display counter to choose size of envelope text area */
9894     MapCounterButtons(counter1_id);
9895     MapCounterButtons(counter2_id);
9896
9897     /* display checkbuttons to choose auto-wrap and alignment properties */
9898     MapCheckbuttonGadget(button1_id);
9899     MapCheckbuttonGadget(button2_id);
9900
9901     DrawEnvelopeTextArea(envelope_nr);
9902   }
9903
9904   if (IS_MM_MCDUFFIN(properties_element))
9905   {
9906     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9907     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9908     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9909   }
9910
9911   if (IS_DF_LASER(properties_element))
9912   {
9913     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9914     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9915     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9916   }
9917
9918   if (IS_CUSTOM_ELEMENT(properties_element))
9919   {
9920     /* draw stickybutton gadget */
9921     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9922
9923     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9924     {
9925       /* draw checkbutton gadgets */
9926       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9927            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9928         MapCheckbuttonGadget(i);
9929
9930       /* draw counter gadgets */
9931       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9932            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9933         MapCounterButtons(i);
9934
9935       /* draw selectbox gadgets */
9936       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9937            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9938         MapSelectboxGadget(i);
9939
9940       /* draw textbutton gadgets */
9941       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9942
9943       /* draw text input gadgets */
9944       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9945
9946       /* draw drawing area gadgets */
9947       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9948
9949       draw_footer_line = TRUE;
9950     }
9951     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9952     {
9953       /* draw checkbutton gadgets */
9954       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9955            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9956         MapCheckbuttonGadget(i);
9957
9958       /* draw counter gadgets */
9959       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9960            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9961         MapCounterButtons(i);
9962
9963       /* draw selectbox gadgets */
9964       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9965            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9966         MapSelectboxGadget(i);
9967
9968       /* draw drawing area gadgets */
9969       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9970       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9971       DrawCustomContentArea();
9972     }
9973   }
9974   else if (IS_GROUP_ELEMENT(properties_element))
9975   {
9976     /* draw stickybutton gadget */
9977     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9978
9979     /* draw checkbutton gadgets */
9980     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9981     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9982
9983     /* draw counter gadgets */
9984     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9985
9986     /* draw selectbox gadgets */
9987     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9988
9989     /* draw textbutton gadgets */
9990     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9991
9992     /* draw drawing area gadgets */
9993     DrawGroupElementArea(properties_element);
9994
9995     /* draw text input gadgets */
9996     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9997
9998     /* draw drawing area gadgets */
9999     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10000
10001     draw_footer_line = TRUE;
10002   }
10003
10004   /* draw little footer border line above CE/GE use/save template gadgets */
10005   if (draw_footer_line)
10006   {
10007     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10008     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10009     int gd_x = gd->x + gd_gi1->border.width / 2;
10010     int gd_y = gd->y + gd_gi1->height - 1;
10011     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10012
10013     if (tab_color != BLACK_PIXEL)               /* black => transparent */
10014       FillRectangle(drawto,
10015                     SX + ED_ELEMENT_SETTINGS_X(0),
10016                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10017                     ED_TAB_BAR_HEIGHT,
10018                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10019   }
10020 }
10021
10022 static void DrawPropertiesChangeDrawingAreas()
10023 {
10024   if (IS_CUSTOM_ELEMENT(properties_element))
10025   {
10026     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10027     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10028     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10029
10030     DrawCustomChangeContentArea();
10031   }
10032
10033   redraw_mask |= REDRAW_FIELD;
10034 }
10035
10036 static void DrawPropertiesChange()
10037 {
10038   int i;
10039
10040   /* needed to initially set selectbox options for special action options */
10041   setSelectboxSpecialActionOptions();
10042
10043   /* draw stickybutton gadget */
10044   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10045
10046   /* draw checkbutton gadgets */
10047   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10048        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10049     MapCheckbuttonGadget(i);
10050
10051   /* draw counter gadgets */
10052   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10053        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10054     MapCounterButtons(i);
10055
10056   /* draw selectbox gadgets */
10057   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10058        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10059     MapSelectboxGadget(i);
10060
10061   /* draw textbutton gadgets */
10062   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10063        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10064     MapTextbuttonGadget(i);
10065
10066   /* draw graphicbutton gadgets */
10067   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10068        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10069     MapGraphicbuttonGadget(i);
10070
10071   /* draw drawing area gadgets */
10072   DrawPropertiesChangeDrawingAreas();
10073 }
10074
10075 static void DrawEditorElementAnimation(int x, int y)
10076 {
10077   int graphic = el2img(properties_element);
10078   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10079                custom_element.ce_value_fixed_initial :
10080                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10081                custom_element.collect_score_initial : FrameCounter);
10082
10083   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10084 }
10085
10086 static void DrawEditorElementName(int x, int y, int font_nr)
10087 {
10088   char *element_name = getElementInfoText(properties_element);
10089   int font_width = getFontWidth(font_nr);
10090   int font_height = getFontHeight(font_nr);
10091   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10092   int max_chars_per_line = max_text_width / font_width;
10093   char buffer[max_chars_per_line + 1];
10094
10095   if (strlen(element_name) <= max_chars_per_line)
10096     DrawTextS(x, y, font_nr, element_name);
10097   else
10098   {
10099     int next_pos = max_chars_per_line;
10100
10101     strncpy(buffer, element_name, max_chars_per_line);
10102     buffer[max_chars_per_line] = '\0';
10103
10104     if (element_name[max_chars_per_line] == ' ')
10105       next_pos++;
10106     else
10107     {
10108       int i;
10109
10110       for (i = max_chars_per_line - 1; i >= 0; i--)
10111         if (buffer[i] == ' ')
10112           break;
10113
10114       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10115       {
10116         buffer[i] = '\0';
10117         next_pos = i + 1;
10118       }
10119     }
10120
10121     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10122
10123     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10124     buffer[max_chars_per_line] = '\0';
10125
10126     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10127   }
10128 }
10129
10130 static void DrawPropertiesWindow()
10131 {
10132   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10133   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10134   int border_size = gd->border_size;
10135   int font_nr = FONT_TEXT_1;
10136   int font_height = getFontHeight(font_nr);
10137   int xoffset = TILEX + element_border + 3 * border_size;
10138   int yoffset = (TILEY - font_height) / 2;
10139   int x1 = editor.settings.element_graphic.x + element_border;
10140   int y1 = editor.settings.element_graphic.y + element_border;
10141   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10142             editor.settings.element_name.x);
10143   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10144             editor.settings.element_name.y);
10145   char *text = "Element Settings";
10146   int font2_nr = FONT_TITLE_1;
10147   struct MenuPosInfo *pos = &editor.settings.headline;
10148   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10149   int sy = SY + pos->y;
10150
10151   stick_element_properties_window = FALSE;
10152
10153   /* make sure that previous properties edit mode exists for this element */
10154   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10155       !IS_CUSTOM_ELEMENT(properties_element))
10156     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10157
10158   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10159       !ELEM_IS_PLAYER(properties_element) &&
10160       !IS_CUSTOM_ELEMENT(properties_element))
10161     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10162
10163   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10164       (ELEM_IS_PLAYER(properties_element) ||
10165        IS_CUSTOM_ELEMENT(properties_element)))
10166     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10167
10168   CopyElementPropertiesToEditor(properties_element);
10169
10170   UnmapLevelEditorFieldGadgets();
10171   UnmapLevelEditorToolboxDrawingGadgets();
10172   UnmapLevelEditorToolboxCustomGadgets();
10173
10174   if (IS_CUSTOM_ELEMENT(properties_element) ||
10175       IS_GROUP_ELEMENT(properties_element))
10176     MapLevelEditorToolboxCustomGadgets();
10177
10178   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10179   ClearField();
10180
10181   DrawText(sx, sy, text, font2_nr);
10182
10183   FrameCounter = 0;     /* restart animation frame counter */
10184
10185   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10186   DrawEditorElementAnimation(SX + x1, SY + y1);
10187   DrawEditorElementName(x2, y2, font_nr);
10188
10189   DrawPropertiesTabulatorGadgets();
10190
10191   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10192     DrawPropertiesInfo();
10193   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10194     DrawPropertiesChange();
10195   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
10196     DrawPropertiesConfig();
10197 }
10198
10199 static void DrawPaletteWindow()
10200 {
10201   int i;
10202
10203   UnmapLevelEditorFieldGadgets();
10204
10205   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10206   ClearField();
10207
10208   /* map buttons to select elements */
10209   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10210     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10211   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10212   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10213   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10214 }
10215
10216 static void UpdateCustomElementGraphicGadgets()
10217 {
10218   int i;
10219
10220   InitElementPropertiesGfxElement();
10221
10222   ModifyEditorElementList();
10223   RedrawDrawingElements();
10224
10225   /* force redraw of all mapped drawing area gadgets */
10226   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10227   {
10228     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10229
10230     if (gi->mapped)
10231       MapDrawingArea(i);
10232   }
10233 }
10234
10235 static int getOpenDirectionFromTube(int element)
10236 {
10237   switch (element)
10238   {
10239     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10240     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10241     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10242     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10243     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10244     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10245     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10246     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10247     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10248     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10249     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10250   }
10251
10252   return MV_NONE;
10253 }
10254
10255 static int getTubeFromOpenDirection(int direction)
10256 {
10257   switch (direction)
10258   {
10259     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10260     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10261     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10262     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10263     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10264     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10265     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10266     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10267     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10268     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10269     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10270
10271     /* if only one direction, fall back to simple tube with that direction */
10272     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10273     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10274     case (MV_UP):                       return EL_TUBE_VERTICAL;
10275     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10276   }
10277
10278   return EL_EMPTY;
10279 }
10280
10281 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10282 {
10283   int element_new = getTubeFromOpenDirection(direction);
10284
10285   return (element_new != EL_EMPTY ? element_new : element_old);
10286 }
10287
10288 static int getOpenDirectionFromBelt(int element)
10289 {
10290   int belt_dir = getBeltDirFromBeltElement(element);
10291
10292   return (belt_dir == MV_LEFT ? MV_RIGHT :
10293           belt_dir == MV_RIGHT ? MV_LEFT :
10294           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10295 }
10296
10297 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10298 {
10299   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10300                   direction == MV_RIGHT ? MV_LEFT :
10301                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10302
10303   if (direction == MV_NONE)
10304     return EL_EMPTY;
10305
10306   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10307 }
10308
10309 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10310                                                  int element_old)
10311 {
10312   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10313
10314   return (element_new != EL_EMPTY ? element_new : element_old);
10315 }
10316
10317 static int getOpenDirectionFromPool(int element)
10318 {
10319   switch (element)
10320   {
10321     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10322     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10323     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10324     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10325     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10326     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10327   }
10328
10329   return MV_NONE;
10330 }
10331
10332 static int getPoolFromOpenDirection(int direction)
10333 {
10334   switch (direction)
10335   {
10336     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10337     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10338     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10339     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10340     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10341     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10342   }
10343
10344   return EL_EMPTY;
10345 }
10346
10347 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10348 {
10349   int element = getPoolFromOpenDirection(direction);
10350   int help_direction = getOpenDirectionFromPool(help_element);
10351
10352   if (element == EL_EMPTY)
10353   {
10354     int help_direction_vertical = help_direction & MV_VERTICAL;
10355
10356     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10357   }
10358
10359   if (element == EL_EMPTY)
10360   {
10361     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10362
10363     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10364   }
10365
10366   return element;
10367 }
10368
10369 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10370 {
10371   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10372
10373   return (element_new != EL_EMPTY ? element_new : element_old);
10374 }
10375
10376 static int getOpenDirectionFromPillar(int element)
10377 {
10378   switch (element)
10379   {
10380     case EL_EMC_WALL_1:                 return (MV_DOWN);
10381     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10382     case EL_EMC_WALL_3:                 return (MV_UP);
10383   }
10384
10385   return MV_NONE;
10386 }
10387
10388 static int getPillarFromOpenDirection(int direction)
10389 {
10390   switch (direction)
10391   {
10392     case (MV_DOWN):                     return EL_EMC_WALL_1;
10393     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10394     case (MV_UP):                       return EL_EMC_WALL_3;
10395   }
10396
10397   return EL_EMPTY;
10398 }
10399
10400 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10401 {
10402   int element_new = getPillarFromOpenDirection(direction);
10403
10404   return (element_new != EL_EMPTY ? element_new : element_old);
10405 }
10406
10407 static int getOpenDirectionFromSteel2(int element)
10408 {
10409   switch (element)
10410   {
10411     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10412     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10413     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10414     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10415     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10416     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10417     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10418     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10419   }
10420
10421   return MV_NONE;
10422 }
10423
10424 static int getSteel2FromOpenDirection(int direction)
10425 {
10426   switch (direction)
10427   {
10428     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10429     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10430     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10431     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10432     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10433     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10434     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10435     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10436   }
10437
10438   return EL_EMPTY;
10439 }
10440
10441 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10442 {
10443   int element_new = getSteel2FromOpenDirection(direction);
10444
10445   return (element_new != EL_EMPTY ? element_new : element_old);
10446 }
10447
10448 static int getOpenDirectionFromChip(int element)
10449 {
10450   switch (element)
10451   {
10452     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10453     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10454     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10455     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10456     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10457   }
10458
10459   return MV_NONE;
10460 }
10461
10462 static int getChipFromOpenDirection(int direction)
10463 {
10464   switch (direction)
10465   {
10466     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10467     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10468     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10469     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10470     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10471   }
10472
10473   return EL_EMPTY;
10474 }
10475
10476 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10477 {
10478   int element_new = getChipFromOpenDirection(direction);
10479
10480   return (element_new != EL_EMPTY ? element_new : element_old);
10481 }
10482
10483 static int getClosedTube(int x, int y)
10484 {
10485   static int xy[4][2] =
10486   {
10487     { -1, 0 },
10488     { +1, 0 },
10489     { 0, -1 },
10490     { 0, +1 }
10491   };
10492   int element_old = IntelliDrawBuffer[x][y];
10493   int direction_old = getOpenDirectionFromTube(element_old);
10494   int direction_new = MV_NONE;
10495   int i;
10496
10497   for (i = 0; i < NUM_DIRECTIONS; i++)
10498   {
10499     int xx = x + xy[i][0];
10500     int yy = y + xy[i][1];
10501     int dir = MV_DIR_FROM_BIT(i);
10502     int dir_opposite = MV_DIR_OPPOSITE(dir);
10503
10504     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10505         (direction_old & dir) &&
10506         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10507       direction_new |= dir;
10508   }
10509
10510   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10511 }
10512
10513 static int getClosedBelt(int x, int y)
10514 {
10515   static int xy[4][2] =
10516   {
10517     { -1, 0 },
10518     { +1, 0 },
10519     { 0, -1 },
10520     { 0, +1 }
10521   };
10522   int element_old = IntelliDrawBuffer[x][y];
10523   int nr = getBeltNrFromBeltElement(element_old);
10524   int direction_old = getOpenDirectionFromBelt(element_old);
10525   int direction_new = MV_NONE;
10526   int i;
10527
10528   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10529   {
10530     int xx = x + xy[i][0];
10531     int yy = y + xy[i][1];
10532     int dir = MV_DIR_FROM_BIT(i);
10533     int dir_opposite = MV_DIR_OPPOSITE(dir);
10534
10535     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10536         (direction_old & dir) &&
10537         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10538       direction_new |= dir;
10539   }
10540
10541   return getBeltFromNrAndOpenDirection(nr, direction_new);
10542 }
10543
10544 static int getClosedPool(int x, int y)
10545 {
10546   static int xy[4][2] =
10547   {
10548     { -1, 0 },
10549     { +1, 0 },
10550     { 0, -1 },
10551     { 0, +1 }
10552   };
10553   int element_old = IntelliDrawBuffer[x][y];
10554   int direction_old = getOpenDirectionFromPool(element_old);
10555   int direction_new = MV_NONE;
10556   int i;
10557
10558   for (i = 0; i < NUM_DIRECTIONS; i++)
10559   {
10560     int xx = x + xy[i][0];
10561     int yy = y + xy[i][1];
10562     int dir = MV_DIR_FROM_BIT(i);
10563     int dir_opposite = MV_DIR_OPPOSITE(dir);
10564
10565     if (IN_LEV_FIELD(xx, yy) &&
10566         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10567         (direction_old & dir) &&
10568         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10569       direction_new |= dir;
10570   }
10571
10572   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10573 }
10574
10575 static int getClosedPillar(int x, int y)
10576 {
10577   static int xy[4][2] =
10578   {
10579     { -1, 0 },
10580     { +1, 0 },
10581     { 0, -1 },
10582     { 0, +1 }
10583   };
10584   int element_old = IntelliDrawBuffer[x][y];
10585   int direction_old = getOpenDirectionFromPillar(element_old);
10586   int direction_new = MV_NONE;
10587   int i;
10588
10589   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10590   {
10591     int xx = x + xy[i][0];
10592     int yy = y + xy[i][1];
10593     int dir = MV_DIR_FROM_BIT(i);
10594     int dir_opposite = MV_DIR_OPPOSITE(dir);
10595
10596     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10597         (direction_old & dir) &&
10598         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10599       direction_new |= dir;
10600   }
10601
10602   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10603 }
10604
10605 static int getClosedSteel2(int x, int y)
10606 {
10607   static int xy[4][2] =
10608   {
10609     { -1, 0 },
10610     { +1, 0 },
10611     { 0, -1 },
10612     { 0, +1 }
10613   };
10614   int element_old = IntelliDrawBuffer[x][y];
10615   int direction_old = getOpenDirectionFromSteel2(element_old);
10616   int direction_new = MV_NONE;
10617   int i;
10618
10619   for (i = 0; i < NUM_DIRECTIONS; i++)
10620   {
10621     int xx = x + xy[i][0];
10622     int yy = y + xy[i][1];
10623     int dir = MV_DIR_FROM_BIT(i);
10624     int dir_opposite = MV_DIR_OPPOSITE(dir);
10625
10626     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10627         (direction_old & dir) &&
10628         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10629       direction_new |= dir;
10630   }
10631
10632   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10633 }
10634
10635 static int getClosedChip(int x, int y)
10636 {
10637   static int xy[4][2] =
10638   {
10639     { -1, 0 },
10640     { +1, 0 },
10641     { 0, -1 },
10642     { 0, +1 }
10643   };
10644   int element_old = IntelliDrawBuffer[x][y];
10645   int direction_old = getOpenDirectionFromChip(element_old);
10646   int direction_new = MV_NONE;
10647   int i;
10648
10649   for (i = 0; i < NUM_DIRECTIONS; i++)
10650   {
10651     int xx = x + xy[i][0];
10652     int yy = y + xy[i][1];
10653     int dir = MV_DIR_FROM_BIT(i);
10654     int dir_opposite = MV_DIR_OPPOSITE(dir);
10655
10656     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10657         (direction_old & dir) &&
10658         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10659       direction_new |= dir;
10660   }
10661
10662   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10663 }
10664
10665 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10666                                 boolean change_level)
10667 {
10668   int sx = x - level_xpos;
10669   int sy = y - level_ypos;
10670   int old_element = Feld[x][y];
10671   int new_element = element;
10672   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10673   boolean draw_masked = FALSE;
10674
10675   if (IS_MM_WALL_EDITOR(element))
10676   {
10677     element = map_mm_wall_element_editor(element) | new_bitmask;
10678
10679     if (IS_MM_WALL(old_element))
10680       element |= MM_WALL_BITS(old_element);
10681
10682     if (!change_level)
10683       draw_masked = TRUE;
10684   }
10685   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10686   {
10687     int element_changed = old_element & ~new_bitmask;
10688
10689     if (MM_WALL_BITS(element_changed) != 0)
10690       element = element_changed;
10691   }
10692
10693   IntelliDrawBuffer[x][y] = element;
10694
10695   if (change_level)
10696     Feld[x][y] = element;
10697
10698   if (IN_ED_FIELD(sx, sy))
10699   {
10700     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10701       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10702     else if (draw_masked)
10703       DrawEditorElementThruMask(sx, sy, element);
10704     else
10705       DrawEditorElement(sx, sy, element);
10706   }
10707 }
10708
10709 static void SetElementSimple(int x, int y, int element, boolean change_level)
10710 {
10711   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10712 }
10713
10714 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10715                                            int x2, int y2, int *element2,
10716                                            int (*close_function)(int, int),
10717                                            boolean change_level)
10718 {
10719   /* set neighbour elements to newly determined connections */
10720   SetElementSimple(x1, y1, *element1, change_level);
10721   SetElementSimple(x2, y2, *element2, change_level);
10722
10723   /* remove all open connections of neighbour elements */
10724   *element1 = close_function(x1, y1);
10725   *element2 = close_function(x2, y2);
10726
10727   /* set neighbour elements to new, minimized connections */
10728   SetElementSimple(x1, y1, *element1, change_level);
10729   SetElementSimple(x2, y2, *element2, change_level);
10730 }
10731
10732 static void SetElementIntelliDraw(int x, int y, int new_element,
10733                                   boolean change_level, int button)
10734 {
10735   static int xy[4][2] =
10736   {
10737     { -1, 0 },
10738     { +1, 0 },
10739     { 0, -1 },
10740     { 0, +1 }
10741   };
10742   static int last_x = -1;
10743   static int last_y = -1;
10744   int old_element = IntelliDrawBuffer[x][y];
10745
10746   if (new_element == EL_UNDEFINED)
10747   {
10748     last_x = -1;
10749     last_y = -1;
10750
10751     return;
10752   }
10753
10754   if (IS_TUBE(new_element))
10755   {
10756     int last_element_new = EL_UNDEFINED;
10757     int direction = MV_NONE;
10758     int i;
10759
10760     /* if old element is of same kind, keep all existing directions */
10761     if (IS_TUBE(old_element))
10762       direction |= getOpenDirectionFromTube(old_element);
10763
10764     for (i = 0; i < NUM_DIRECTIONS; i++)
10765     {
10766       int xx = x + xy[i][0];
10767       int yy = y + xy[i][1];
10768
10769       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10770           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10771       {
10772         int dir = MV_DIR_FROM_BIT(i);
10773         int dir_opposite = MV_DIR_OPPOSITE(dir);
10774         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10775         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10776         int last_direction_new = last_direction_old | dir_opposite;
10777
10778         last_element_new = getTubeFromOpenDirection(last_direction_new);
10779
10780         direction |= dir;
10781       }
10782     }
10783
10784     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10785
10786     if (last_element_new != EL_UNDEFINED)
10787       MergeAndCloseNeighbourElements(x, y, &new_element,
10788                                      last_x, last_y, &last_element_new,
10789                                      getClosedTube, change_level);
10790   }
10791   else if (IS_BELT(new_element))
10792   {
10793     int belt_nr = getBeltNrFromBeltElement(new_element);
10794     int last_element_new = EL_UNDEFINED;
10795     int direction = MV_NONE;
10796     int i;
10797
10798     /* if old element is of same kind, keep all existing directions */
10799     if (IS_BELT(old_element))
10800       direction |= getOpenDirectionFromBelt(old_element);
10801
10802     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10803     {
10804       int xx = x + xy[i][0];
10805       int yy = y + xy[i][1];
10806
10807       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10808           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10809       {
10810         int dir = MV_DIR_FROM_BIT(i);
10811         int dir_opposite = MV_DIR_OPPOSITE(dir);
10812         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10813         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10814         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10815         int last_direction_new = last_direction_old | dir_opposite;
10816
10817         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10818                                                          last_direction_new);
10819         direction |= dir;
10820       }
10821     }
10822
10823     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10824                                                         new_element);
10825     if (last_element_new != EL_UNDEFINED)
10826       MergeAndCloseNeighbourElements(x, y, &new_element,
10827                                      last_x, last_y, &last_element_new,
10828                                      getClosedBelt, change_level);
10829   }
10830   else if (IS_ACID_POOL_OR_ACID(new_element))
10831   {
10832     int last_element_new = EL_UNDEFINED;
10833     int direction = MV_NONE;
10834     int i;
10835
10836     /* if old element is of same kind, keep all existing directions */
10837     if (IS_ACID_POOL_OR_ACID(old_element))
10838       direction |= getOpenDirectionFromPool(old_element);
10839
10840     for (i = 0; i < NUM_DIRECTIONS; i++)
10841     {
10842       int xx = x + xy[i][0];
10843       int yy = y + xy[i][1];
10844
10845       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10846           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10847       {
10848         int dir = MV_DIR_FROM_BIT(i);
10849         int dir_opposite = MV_DIR_OPPOSITE(dir);
10850         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10851         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10852         int last_direction_new = last_direction_old | dir_opposite;
10853
10854         last_element_new = getPoolFromOpenDirection(last_direction_new);
10855
10856         direction |= dir;
10857       }
10858     }
10859
10860     /* special corrections needed for intuitively correct acid pool drawing */
10861     if (last_element_new == EL_EMPTY)
10862       last_element_new = new_element;
10863     else if (last_element_new != EL_UNDEFINED)
10864       new_element = last_element_new;
10865
10866     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10867
10868     if (last_element_new != EL_UNDEFINED)
10869       MergeAndCloseNeighbourElements(x, y, &new_element,
10870                                      last_x, last_y, &last_element_new,
10871                                      getClosedPool, change_level);
10872   }
10873   else if (IS_EMC_PILLAR(new_element))
10874   {
10875     int last_element_new = EL_UNDEFINED;
10876     int direction = MV_NONE;
10877     int i;
10878
10879     /* if old element is of same kind, keep all existing directions */
10880     if (IS_EMC_PILLAR(old_element))
10881       direction |= getOpenDirectionFromPillar(old_element);
10882
10883     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10884     {
10885       int xx = x + xy[i][0];
10886       int yy = y + xy[i][1];
10887
10888       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10889           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10890       {
10891         int dir = MV_DIR_FROM_BIT(i);
10892         int dir_opposite = MV_DIR_OPPOSITE(dir);
10893         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10894         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10895         int last_direction_new = last_direction_old | dir_opposite;
10896
10897         last_element_new = getPillarFromOpenDirection(last_direction_new);
10898
10899         direction |= dir;
10900       }
10901     }
10902
10903     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10904
10905     if (last_element_new != EL_UNDEFINED)
10906       MergeAndCloseNeighbourElements(x, y, &new_element,
10907                                      last_x, last_y, &last_element_new,
10908                                      getClosedPillar, change_level);
10909   }
10910   else if (IS_DC_STEELWALL_2(new_element))
10911   {
10912     int last_element_new = EL_UNDEFINED;
10913     int direction = MV_NONE;
10914     int i;
10915
10916     /* if old element is of same kind, keep all existing directions */
10917     if (IS_DC_STEELWALL_2(old_element))
10918       direction |= getOpenDirectionFromSteel2(old_element);
10919
10920     for (i = 0; i < NUM_DIRECTIONS; i++)
10921     {
10922       int xx = x + xy[i][0];
10923       int yy = y + xy[i][1];
10924
10925       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10926           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10927       {
10928         int dir = MV_DIR_FROM_BIT(i);
10929         int dir_opposite = MV_DIR_OPPOSITE(dir);
10930         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10931         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10932         int last_direction_new = last_direction_old | dir_opposite;
10933
10934         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10935
10936         direction |= dir;
10937       }
10938     }
10939
10940     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10941
10942     if (last_element_new != EL_UNDEFINED)
10943       MergeAndCloseNeighbourElements(x, y, &new_element,
10944                                      last_x, last_y, &last_element_new,
10945                                      getClosedSteel2, change_level);
10946   }
10947   else if (IS_SP_CHIP(new_element))
10948   {
10949     int last_element_new = EL_UNDEFINED;
10950     int direction = MV_NONE;
10951     int i;
10952
10953     /* (do not keep existing directions, regardless of kind of old element) */
10954
10955     for (i = 0; i < NUM_DIRECTIONS; i++)
10956     {
10957       int xx = x + xy[i][0];
10958       int yy = y + xy[i][1];
10959
10960       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10961           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10962       {
10963         int dir = MV_DIR_FROM_BIT(i);
10964         int dir_opposite = MV_DIR_OPPOSITE(dir);
10965         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10966         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10967         int last_direction_new = last_direction_old | dir_opposite;
10968
10969         if (last_direction_old == MV_NONE)
10970         {
10971           last_element_new = getChipFromOpenDirection(last_direction_new);
10972           direction |= dir;
10973         }
10974         else if (last_direction_old & (dir | dir_opposite))
10975         {
10976           direction |= MV_DIR_OPPOSITE(last_direction_old);
10977         }
10978         else
10979         {
10980           direction |= MV_DIR_OPPOSITE(dir);
10981         }
10982       }
10983     }
10984
10985     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10986
10987     if (last_element_new != EL_UNDEFINED)
10988       MergeAndCloseNeighbourElements(x, y, &new_element,
10989                                      last_x, last_y, &last_element_new,
10990                                      getClosedChip, change_level);
10991   }
10992   else if (IS_SP_HARDWARE_BASE(new_element))
10993   {
10994     int nr = GetSimpleRandom(6);
10995
10996     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10997                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10998                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10999                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11000                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11001   }
11002   else if (new_element == EL_SP_HARDWARE_GREEN ||
11003            new_element == EL_SP_HARDWARE_BLUE ||
11004            new_element == EL_SP_HARDWARE_RED)
11005   {
11006     int nr = GetSimpleRandom(3);
11007
11008     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11009                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11010   }
11011   else if (IS_GROUP_ELEMENT(new_element))
11012   {
11013     boolean connected_drawing = FALSE;
11014     int i;
11015
11016     for (i = 0; i < NUM_DIRECTIONS; i++)
11017     {
11018       int xx = x + xy[i][0];
11019       int yy = y + xy[i][1];
11020
11021       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11022           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11023         connected_drawing = TRUE;
11024     }
11025
11026     if (!connected_drawing)
11027       ResolveGroupElement(new_element);
11028
11029     new_element = GetElementFromGroupElement(new_element);
11030   }
11031   else if (IS_BELT_SWITCH(old_element))
11032   {
11033     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11034     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11035
11036     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11037                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11038
11039     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11040   }
11041   else
11042   {
11043     static int swappable_elements[][2] =
11044     {
11045       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11046       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11047       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11048       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11049       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11050       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11051       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11052       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11053       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11054       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11055       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11056       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11057       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11058       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11059       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11060       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11061       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11062       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11063       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11064       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11065       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11066       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11067       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11068       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11069       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11070       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11071       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11072       { EL_PEARL,                       EL_WALL_PEARL                   },
11073       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11074       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11075       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11076       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11077       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11078       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11079       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11080       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11081       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11082       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11083       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11084       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11085       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11086       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11087       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11088       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11089
11090       { -1,                             -1                              },
11091     };
11092     static int rotatable_elements_4[][4] =
11093     {
11094       {
11095         EL_BUG_UP,
11096         EL_BUG_RIGHT,
11097         EL_BUG_DOWN,
11098         EL_BUG_LEFT
11099       },
11100       {
11101         EL_SPACESHIP_UP,
11102         EL_SPACESHIP_RIGHT,
11103         EL_SPACESHIP_DOWN,
11104         EL_SPACESHIP_LEFT
11105       },
11106       {
11107         EL_BD_BUTTERFLY_UP,
11108         EL_BD_BUTTERFLY_RIGHT,
11109         EL_BD_BUTTERFLY_DOWN,
11110         EL_BD_BUTTERFLY_LEFT
11111       },
11112       {
11113         EL_BD_FIREFLY_UP,
11114         EL_BD_FIREFLY_RIGHT,
11115         EL_BD_FIREFLY_DOWN,
11116         EL_BD_FIREFLY_LEFT
11117       },
11118       {
11119         EL_PACMAN_UP,
11120         EL_PACMAN_RIGHT,
11121         EL_PACMAN_DOWN,
11122         EL_PACMAN_LEFT
11123       },
11124       {
11125         EL_YAMYAM_UP,
11126         EL_YAMYAM_RIGHT,
11127         EL_YAMYAM_DOWN,
11128         EL_YAMYAM_LEFT
11129       },
11130       {
11131         EL_ARROW_UP,
11132         EL_ARROW_RIGHT,
11133         EL_ARROW_DOWN,
11134         EL_ARROW_LEFT
11135       },
11136       {
11137         EL_SP_PORT_UP,
11138         EL_SP_PORT_RIGHT,
11139         EL_SP_PORT_DOWN,
11140         EL_SP_PORT_LEFT
11141       },
11142       {
11143         EL_SP_GRAVITY_PORT_UP,
11144         EL_SP_GRAVITY_PORT_RIGHT,
11145         EL_SP_GRAVITY_PORT_DOWN,
11146         EL_SP_GRAVITY_PORT_LEFT
11147       },
11148       {
11149         EL_SP_GRAVITY_ON_PORT_UP,
11150         EL_SP_GRAVITY_ON_PORT_RIGHT,
11151         EL_SP_GRAVITY_ON_PORT_DOWN,
11152         EL_SP_GRAVITY_ON_PORT_LEFT
11153       },
11154       {
11155         EL_SP_GRAVITY_OFF_PORT_UP,
11156         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11157         EL_SP_GRAVITY_OFF_PORT_DOWN,
11158         EL_SP_GRAVITY_OFF_PORT_LEFT
11159       },
11160       {
11161         EL_MOLE_UP,
11162         EL_MOLE_RIGHT,
11163         EL_MOLE_DOWN,
11164         EL_MOLE_LEFT
11165       },
11166       {
11167         EL_BALLOON_SWITCH_UP,
11168         EL_BALLOON_SWITCH_RIGHT,
11169         EL_BALLOON_SWITCH_DOWN,
11170         EL_BALLOON_SWITCH_LEFT
11171       },
11172       {
11173         EL_MM_MCDUFFIN_UP,
11174         EL_MM_MCDUFFIN_RIGHT,
11175         EL_MM_MCDUFFIN_DOWN,
11176         EL_MM_MCDUFFIN_LEFT
11177       },
11178       {
11179         EL_MM_MIRROR_FIXED_1,
11180         EL_MM_MIRROR_FIXED_4,
11181         EL_MM_MIRROR_FIXED_3,
11182         EL_MM_MIRROR_FIXED_2
11183       },
11184       {
11185         EL_MM_STEEL_GRID_FIXED_1,
11186         EL_MM_STEEL_GRID_FIXED_4,
11187         EL_MM_STEEL_GRID_FIXED_2,
11188         EL_MM_STEEL_GRID_FIXED_3
11189       },
11190       {
11191         EL_MM_WOODEN_GRID_FIXED_1,
11192         EL_MM_WOODEN_GRID_FIXED_4,
11193         EL_MM_WOODEN_GRID_FIXED_2,
11194         EL_MM_WOODEN_GRID_FIXED_3
11195       },
11196       {
11197         EL_MM_POLARISATOR_CROSS_1,
11198         EL_MM_POLARISATOR_CROSS_4,
11199         EL_MM_POLARISATOR_CROSS_3,
11200         EL_MM_POLARISATOR_CROSS_2
11201       },
11202       {
11203         EL_MM_PACMAN_UP,
11204         EL_MM_PACMAN_RIGHT,
11205         EL_MM_PACMAN_DOWN,
11206         EL_MM_PACMAN_LEFT
11207       },
11208       {
11209         EL_DF_LASER_UP,
11210         EL_DF_LASER_RIGHT,
11211         EL_DF_LASER_DOWN,
11212         EL_DF_LASER_LEFT
11213       },
11214       {
11215         EL_DF_RECEIVER_UP,
11216         EL_DF_RECEIVER_RIGHT,
11217         EL_DF_RECEIVER_DOWN,
11218         EL_DF_RECEIVER_LEFT
11219       },
11220
11221       {
11222         -1,
11223       },
11224     };
11225     static int rotatable_elements_8[][8] =
11226     {
11227       {
11228         EL_DF_STEEL_GRID_FIXED_1,
11229         EL_DF_STEEL_GRID_FIXED_8,
11230         EL_DF_STEEL_GRID_FIXED_7,
11231         EL_DF_STEEL_GRID_FIXED_6,
11232         EL_DF_STEEL_GRID_FIXED_5,
11233         EL_DF_STEEL_GRID_FIXED_4,
11234         EL_DF_STEEL_GRID_FIXED_3,
11235         EL_DF_STEEL_GRID_FIXED_2
11236       },
11237       {
11238         EL_DF_WOODEN_GRID_FIXED_1,
11239         EL_DF_WOODEN_GRID_FIXED_8,
11240         EL_DF_WOODEN_GRID_FIXED_7,
11241         EL_DF_WOODEN_GRID_FIXED_6,
11242         EL_DF_WOODEN_GRID_FIXED_5,
11243         EL_DF_WOODEN_GRID_FIXED_4,
11244         EL_DF_WOODEN_GRID_FIXED_3,
11245         EL_DF_WOODEN_GRID_FIXED_2
11246       },
11247       {
11248         EL_DF_STEEL_GRID_ROTATING_1,
11249         EL_DF_STEEL_GRID_ROTATING_8,
11250         EL_DF_STEEL_GRID_ROTATING_7,
11251         EL_DF_STEEL_GRID_ROTATING_6,
11252         EL_DF_STEEL_GRID_ROTATING_5,
11253         EL_DF_STEEL_GRID_ROTATING_4,
11254         EL_DF_STEEL_GRID_ROTATING_3,
11255         EL_DF_STEEL_GRID_ROTATING_2
11256       },
11257       {
11258         EL_DF_WOODEN_GRID_ROTATING_1,
11259         EL_DF_WOODEN_GRID_ROTATING_8,
11260         EL_DF_WOODEN_GRID_ROTATING_7,
11261         EL_DF_WOODEN_GRID_ROTATING_6,
11262         EL_DF_WOODEN_GRID_ROTATING_5,
11263         EL_DF_WOODEN_GRID_ROTATING_4,
11264         EL_DF_WOODEN_GRID_ROTATING_3,
11265         EL_DF_WOODEN_GRID_ROTATING_2
11266       },
11267
11268       {
11269         -1,
11270       },
11271     };
11272     static int rotatable_elements_16[][16] =
11273     {
11274       {
11275         EL_MM_MIRROR_1,
11276         EL_MM_MIRROR_16,
11277         EL_MM_MIRROR_15,
11278         EL_MM_MIRROR_14,
11279         EL_MM_MIRROR_13,
11280         EL_MM_MIRROR_12,
11281         EL_MM_MIRROR_11,
11282         EL_MM_MIRROR_10,
11283         EL_MM_MIRROR_9,
11284         EL_MM_MIRROR_8,
11285         EL_MM_MIRROR_7,
11286         EL_MM_MIRROR_6,
11287         EL_MM_MIRROR_5,
11288         EL_MM_MIRROR_4,
11289         EL_MM_MIRROR_3,
11290         EL_MM_MIRROR_2
11291       },
11292       {
11293         EL_MM_BEAMER_5,
11294         EL_MM_BEAMER_4,
11295         EL_MM_BEAMER_3,
11296         EL_MM_BEAMER_2,
11297         EL_MM_BEAMER_1,
11298         EL_MM_BEAMER_16,
11299         EL_MM_BEAMER_15,
11300         EL_MM_BEAMER_14,
11301         EL_MM_BEAMER_13,
11302         EL_MM_BEAMER_12,
11303         EL_MM_BEAMER_11,
11304         EL_MM_BEAMER_10,
11305         EL_MM_BEAMER_9,
11306         EL_MM_BEAMER_8,
11307         EL_MM_BEAMER_7,
11308         EL_MM_BEAMER_6
11309       },
11310       {
11311         EL_MM_BEAMER_RED_5,
11312         EL_MM_BEAMER_RED_4,
11313         EL_MM_BEAMER_RED_3,
11314         EL_MM_BEAMER_RED_2,
11315         EL_MM_BEAMER_RED_1,
11316         EL_MM_BEAMER_RED_16,
11317         EL_MM_BEAMER_RED_15,
11318         EL_MM_BEAMER_RED_14,
11319         EL_MM_BEAMER_RED_13,
11320         EL_MM_BEAMER_RED_12,
11321         EL_MM_BEAMER_RED_11,
11322         EL_MM_BEAMER_RED_10,
11323         EL_MM_BEAMER_RED_9,
11324         EL_MM_BEAMER_RED_8,
11325         EL_MM_BEAMER_RED_7,
11326         EL_MM_BEAMER_RED_6
11327       },
11328       {
11329         EL_MM_BEAMER_YELLOW_5,
11330         EL_MM_BEAMER_YELLOW_4,
11331         EL_MM_BEAMER_YELLOW_3,
11332         EL_MM_BEAMER_YELLOW_2,
11333         EL_MM_BEAMER_YELLOW_1,
11334         EL_MM_BEAMER_YELLOW_16,
11335         EL_MM_BEAMER_YELLOW_15,
11336         EL_MM_BEAMER_YELLOW_14,
11337         EL_MM_BEAMER_YELLOW_13,
11338         EL_MM_BEAMER_YELLOW_12,
11339         EL_MM_BEAMER_YELLOW_11,
11340         EL_MM_BEAMER_YELLOW_10,
11341         EL_MM_BEAMER_YELLOW_9,
11342         EL_MM_BEAMER_YELLOW_8,
11343         EL_MM_BEAMER_YELLOW_7,
11344         EL_MM_BEAMER_YELLOW_6
11345       },
11346       {
11347         EL_MM_BEAMER_GREEN_5,
11348         EL_MM_BEAMER_GREEN_4,
11349         EL_MM_BEAMER_GREEN_3,
11350         EL_MM_BEAMER_GREEN_2,
11351         EL_MM_BEAMER_GREEN_1,
11352         EL_MM_BEAMER_GREEN_16,
11353         EL_MM_BEAMER_GREEN_15,
11354         EL_MM_BEAMER_GREEN_14,
11355         EL_MM_BEAMER_GREEN_13,
11356         EL_MM_BEAMER_GREEN_12,
11357         EL_MM_BEAMER_GREEN_11,
11358         EL_MM_BEAMER_GREEN_10,
11359         EL_MM_BEAMER_GREEN_9,
11360         EL_MM_BEAMER_GREEN_8,
11361         EL_MM_BEAMER_GREEN_7,
11362         EL_MM_BEAMER_GREEN_6
11363       },
11364       {
11365         EL_MM_BEAMER_BLUE_5,
11366         EL_MM_BEAMER_BLUE_4,
11367         EL_MM_BEAMER_BLUE_3,
11368         EL_MM_BEAMER_BLUE_2,
11369         EL_MM_BEAMER_BLUE_1,
11370         EL_MM_BEAMER_BLUE_16,
11371         EL_MM_BEAMER_BLUE_15,
11372         EL_MM_BEAMER_BLUE_14,
11373         EL_MM_BEAMER_BLUE_13,
11374         EL_MM_BEAMER_BLUE_12,
11375         EL_MM_BEAMER_BLUE_11,
11376         EL_MM_BEAMER_BLUE_10,
11377         EL_MM_BEAMER_BLUE_9,
11378         EL_MM_BEAMER_BLUE_8,
11379         EL_MM_BEAMER_BLUE_7,
11380         EL_MM_BEAMER_BLUE_6
11381       },
11382       {
11383         EL_MM_POLARISATOR_1,
11384         EL_MM_POLARISATOR_16,
11385         EL_MM_POLARISATOR_15,
11386         EL_MM_POLARISATOR_14,
11387         EL_MM_POLARISATOR_13,
11388         EL_MM_POLARISATOR_12,
11389         EL_MM_POLARISATOR_11,
11390         EL_MM_POLARISATOR_10,
11391         EL_MM_POLARISATOR_9,
11392         EL_MM_POLARISATOR_8,
11393         EL_MM_POLARISATOR_7,
11394         EL_MM_POLARISATOR_6,
11395         EL_MM_POLARISATOR_5,
11396         EL_MM_POLARISATOR_4,
11397         EL_MM_POLARISATOR_3,
11398         EL_MM_POLARISATOR_2
11399       },
11400       {
11401         EL_DF_MIRROR_1,
11402         EL_DF_MIRROR_16,
11403         EL_DF_MIRROR_15,
11404         EL_DF_MIRROR_14,
11405         EL_DF_MIRROR_13,
11406         EL_DF_MIRROR_12,
11407         EL_DF_MIRROR_11,
11408         EL_DF_MIRROR_10,
11409         EL_DF_MIRROR_9,
11410         EL_DF_MIRROR_8,
11411         EL_DF_MIRROR_7,
11412         EL_DF_MIRROR_6,
11413         EL_DF_MIRROR_5,
11414         EL_DF_MIRROR_4,
11415         EL_DF_MIRROR_3,
11416         EL_DF_MIRROR_2
11417       },
11418       {
11419         EL_DF_MIRROR_ROTATING_1,
11420         EL_DF_MIRROR_ROTATING_16,
11421         EL_DF_MIRROR_ROTATING_15,
11422         EL_DF_MIRROR_ROTATING_14,
11423         EL_DF_MIRROR_ROTATING_13,
11424         EL_DF_MIRROR_ROTATING_12,
11425         EL_DF_MIRROR_ROTATING_11,
11426         EL_DF_MIRROR_ROTATING_10,
11427         EL_DF_MIRROR_ROTATING_9,
11428         EL_DF_MIRROR_ROTATING_8,
11429         EL_DF_MIRROR_ROTATING_7,
11430         EL_DF_MIRROR_ROTATING_6,
11431         EL_DF_MIRROR_ROTATING_5,
11432         EL_DF_MIRROR_ROTATING_4,
11433         EL_DF_MIRROR_ROTATING_3,
11434         EL_DF_MIRROR_ROTATING_2
11435       },
11436
11437       {
11438         -1,
11439       },
11440     };
11441     int i, j;
11442
11443     for (i = 0; swappable_elements[i][0] != -1; i++)
11444     {
11445       int element1 = swappable_elements[i][0];
11446       int element2 = swappable_elements[i][1];
11447
11448       if (old_element == element1 || old_element == element2)
11449         new_element = (old_element == element1 ? element2 : element1);
11450     }
11451
11452     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11453     {
11454       for (j = 0; j < 4; j++)
11455       {
11456         int element = rotatable_elements_4[i][j];
11457
11458         if (old_element == element)
11459           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11460                          button == 2 ? rotatable_elements_4[i][0]           :
11461                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11462                          old_element);
11463       }
11464     }
11465
11466     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11467     {
11468       for (j = 0; j < 8; j++)
11469       {
11470         int element = rotatable_elements_8[i][j];
11471
11472         if (old_element == element)
11473           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11474                          button == 2 ? rotatable_elements_8[i][0]           :
11475                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11476                          old_element);
11477       }
11478     }
11479
11480     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11481     {
11482       for (j = 0; j < 16; j++)
11483       {
11484         int element = rotatable_elements_16[i][j];
11485
11486         if (old_element == element)
11487           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11488                          button == 2 ? rotatable_elements_16[i][0]             :
11489                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11490                          old_element);
11491       }
11492     }
11493
11494     if (old_element != new_element)
11495     {
11496       int max_infotext_len = getMaxInfoTextLength();
11497       char infotext[MAX_OUTPUT_LINESIZE + 1];
11498
11499       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11500       infotext[max_infotext_len] = '\0';
11501
11502       ClearEditorGadgetInfoText();
11503
11504       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11505                 infotext);
11506     }
11507   }
11508
11509   SetElementSimple(x, y, new_element, change_level);
11510
11511   last_x = x;
11512   last_y = y;
11513 }
11514
11515 static void ResetIntelliDraw()
11516 {
11517   int x, y;
11518
11519   for (x = 0; x < lev_fieldx; x++)
11520     for (y = 0; y < lev_fieldy; y++)
11521       IntelliDrawBuffer[x][y] = Feld[x][y];
11522
11523   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11524 }
11525
11526 static boolean draw_mode_hires = FALSE;
11527
11528 static void SetDrawModeHiRes(int element)
11529 {
11530   draw_mode_hires =
11531     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11532      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11533 }
11534
11535 static boolean getDrawModeHiRes()
11536 {
11537   return draw_mode_hires;
11538 }
11539
11540 static int getLoResScreenPos(int pos)
11541 {
11542   return (getDrawModeHiRes() ? pos / 2 : pos);
11543 }
11544
11545 static int getLoResScreenMod(int pos)
11546 {
11547   return (getDrawModeHiRes() ? pos % 2 : 0);
11548 }
11549
11550 static void SetElementExt(int x, int y, int dx, int dy, int element,
11551                           boolean change_level, int button)
11552 {
11553   if (element < 0)
11554     SetElementSimple(x, y, Feld[x][y], change_level);
11555   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11556     SetElementIntelliDraw(x, y, element, change_level, button);
11557   else
11558     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11559 }
11560
11561 static void SetElement(int x, int y, int element)
11562 {
11563   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11564 }
11565
11566 static void SetElementButton(int x, int y, int dx, int dy, int element,
11567                              int button)
11568 {
11569   SetElementExt(x, y, dx, dy, element, TRUE, button);
11570 }
11571
11572 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11573 {
11574   int lx = getLoResScreenPos(sx2) + level_xpos;
11575   int ly = getLoResScreenPos(sy2) + level_ypos;
11576   int dx = getLoResScreenMod(sx2);
11577   int dy = getLoResScreenMod(sy2);
11578
11579   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11580 }
11581
11582 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11583 {
11584   int lx = lx2 / 2;
11585   int ly = ly2 / 2;
11586   int dx = lx2 % 2;
11587   int dy = ly2 % 2;
11588
11589   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11590 }
11591
11592 static int getLevelElementHiRes(int lx2, int ly2)
11593 {
11594   int lx = lx2 / 2;
11595   int ly = ly2 / 2;
11596   int dx = lx2 % 2;
11597   int dy = ly2 % 2;
11598   int element = Feld[lx][ly];
11599   unsigned int bitmask = (dx + 1) << (dy * 2);
11600
11601   if (IS_MM_WALL(element))
11602   {
11603     if (element & bitmask)
11604       return map_mm_wall_element(element);
11605     else
11606       return EL_EMPTY;
11607   }
11608
11609   return element;
11610 }
11611
11612 static void DrawLineElement(int x, int y, int element, boolean change_level)
11613 {
11614   SetElementHiRes(x, y, element, change_level);
11615 }
11616
11617 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11618                      int element, boolean change_level)
11619 {
11620   int xsize = ABS(to_x - from_x);
11621   int ysize = ABS(to_y - from_y);
11622   int dx = (to_x < from_x ? -1 : +1);
11623   int dy = (to_y < from_y ? -1 : +1);
11624   int i;
11625
11626   if (from_y == to_y)                   /* horizontal line */
11627   {
11628     for (i = 0; i <= xsize; i++)
11629       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11630   }
11631   else if (from_x == to_x)              /* vertical line */
11632   {
11633     for (i = 0; i <= ysize; i++)
11634       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11635   }
11636   else                                  /* diagonal line */
11637   {
11638     if (ysize < xsize)                  /* a < 1 */
11639     {
11640       float a = (float)ysize / (float)xsize;
11641
11642       for (i = 0; i <= xsize; i++)
11643       {
11644         int x = dx * i;
11645         int y = dy * (int)(a * i + 0.5);
11646
11647         DrawLineElement(from_x + x, from_y + y, element, change_level);
11648       }
11649     }
11650     else                                /* a >= 1 */
11651     {
11652       float a = (float)xsize / (float)ysize;
11653
11654       for (i = 0; i <= ysize; i++)
11655       {
11656         int x = dx * (int)(a * i + 0.5);
11657         int y = dy * i;
11658
11659         DrawLineElement(from_x + x, from_y + y, element, change_level);
11660       }
11661     }
11662   }
11663 }
11664
11665 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11666                     int element, boolean change_level)
11667 {
11668   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11669   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11670   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11671   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11672 }
11673
11674 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11675                           int element, boolean change_level)
11676 {
11677   int y;
11678
11679   if (from_y > to_y)
11680     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11681
11682   for (y = from_y; y <= to_y; y++)
11683     DrawLine(from_x, y, to_x, y, element, change_level);
11684 }
11685
11686 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11687                        int element, boolean change_level)
11688 {
11689   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11690   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11691   int len_x = ABS(to_x - from_x);
11692   int len_y = ABS(to_y - from_y);
11693   int radius, x, y;
11694
11695   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11696
11697   /* not optimal (some points get drawn twice) but simple,
11698      and fast enough for the few points we are drawing */
11699
11700   for (x = 0; x <= radius; x++)
11701   {
11702     int sx, sy, sx2, sy2, lx, ly;
11703
11704     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11705
11706     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11707     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11708     sx = getLoResScreenPos(sx2);
11709     sy = getLoResScreenPos(sy2);
11710     lx = sx + level_xpos;
11711     ly = sy + level_ypos;
11712
11713     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11714       DrawLineElement(sx2, sy2, element, change_level);
11715   }
11716
11717   for (y = 0; y <= radius; y++)
11718   {
11719     int sx, sy, sx2, sy2, lx, ly;
11720
11721     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11722
11723     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11724     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11725     sx = getLoResScreenPos(sx2);
11726     sy = getLoResScreenPos(sy2);
11727     lx = sx + level_xpos;
11728     ly = sy + level_ypos;
11729
11730     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11731       DrawLineElement(sx2, sy2, element, change_level);
11732   }
11733 }
11734
11735 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11736                     int element, boolean change_level)
11737 {
11738   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11739   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11740
11741   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11742 }
11743
11744 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11745
11746 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11747 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11748                        int element, boolean change_level)
11749 {
11750   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11751   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11752   int mirror_to_x2 = from_x - (to_x2 - from_x);
11753   int mirror_to_y2 = from_y - (to_y2 - from_y);
11754
11755   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11756   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11757   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11758   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11759 }
11760 #endif
11761
11762 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11763 {
11764   int from_sx, from_sy;
11765   int to_sx, to_sy;
11766
11767   if (from_x > to_x)
11768     swap_numbers(&from_x, &to_x);
11769
11770   if (from_y > to_y)
11771     swap_numbers(&from_y, &to_y);
11772
11773   from_sx = SX + from_x * ed_tilesize;
11774   from_sy = SY + from_y * ed_tilesize;
11775   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11776   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11777
11778   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11779   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11780   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11781   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11782
11783   if (from_x == to_x && from_y == to_y)
11784     MarkTileDirty(from_x/2, from_y/2);
11785   else
11786     redraw_mask |= REDRAW_FIELD;
11787 }
11788
11789 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11790                         int element, boolean change_level)
11791 {
11792   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11793 }
11794
11795 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11796                        int element, boolean change_level)
11797 {
11798   if (element == -1 || change_level)
11799     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11800   else
11801     DrawAreaBorder(from_x, from_y, to_x, to_y);
11802 }
11803
11804 /* values for CopyBrushExt() */
11805 #define CB_AREA_TO_BRUSH        0
11806 #define CB_BRUSH_TO_CURSOR      1
11807 #define CB_BRUSH_TO_LEVEL       2
11808 #define CB_DELETE_OLD_CURSOR    3
11809 #define CB_DUMP_BRUSH           4
11810 #define CB_DUMP_BRUSH_SMALL     5
11811
11812 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11813 {
11814   DrawLineElement(sx, sy, element, change_level);
11815 }
11816
11817 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11818                          int button, int mode)
11819 {
11820   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11821   static int brush_width, brush_height;
11822   static int last_cursor_x = -1, last_cursor_y = -1;
11823   static boolean delete_old_brush;
11824   int new_element = BUTTON_ELEMENT(button);
11825   int x, y;
11826
11827   if (mode == CB_DUMP_BRUSH ||
11828       mode == CB_DUMP_BRUSH_SMALL)
11829   {
11830     if (!draw_with_brush)
11831     {
11832       Error(ERR_WARN, "no brush selected");
11833
11834       return;
11835     }
11836
11837     for (y = 0; y < brush_height; y++)
11838     {
11839       for (x = 0; x < brush_width; x++)
11840       {
11841         int element = brush_buffer[x][y];
11842         int element_mapped = element;
11843
11844         if (IS_CUSTOM_ELEMENT(element))
11845           element_mapped = EL_CUSTOM_START;
11846         else if (IS_GROUP_ELEMENT(element))
11847           element_mapped = EL_GROUP_START;
11848         else if (element >= NUM_FILE_ELEMENTS)
11849           element_mapped = EL_UNKNOWN;
11850
11851         // dump brush as level sketch text for the R'n'D forum:
11852         // - large tiles: `xxx (0x60 ASCII)
11853         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11854         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11855       }
11856
11857       printf("\n");
11858     }
11859
11860     return;
11861   }
11862
11863   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11864     return;
11865
11866   if (mode == CB_AREA_TO_BRUSH)
11867   {
11868     int from_lx, from_ly;
11869
11870     if (from_x > to_x)
11871       swap_numbers(&from_x, &to_x);
11872
11873     if (from_y > to_y)
11874       swap_numbers(&from_y, &to_y);
11875
11876     brush_width = to_x - from_x + 1;
11877     brush_height = to_y - from_y + 1;
11878
11879     from_lx = from_x + level_xpos;
11880     from_ly = from_y + level_ypos;
11881
11882     for (y = 0; y < brush_height; y++)
11883     {
11884       for (x = 0; x < brush_width; x++)
11885       {
11886         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11887
11888         if (button != 1)
11889           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11890       }
11891     }
11892
11893     if (button != 1)
11894       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11895
11896     delete_old_brush = FALSE;
11897   }
11898   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11899            mode == CB_BRUSH_TO_LEVEL)
11900   {
11901     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11902     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11903     int cursor_from_x = cursor_x - brush_width / 2;
11904     int cursor_from_y = cursor_y - brush_height / 2;
11905     int border_from_x = cursor_x, border_from_y = cursor_y;
11906     int border_to_x = cursor_x, border_to_y = cursor_y;
11907
11908     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11909       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11910
11911     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11912         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11913     {
11914       delete_old_brush = FALSE;
11915       return;
11916     }
11917
11918     for (y = 0; y < brush_height; y++)
11919     {
11920       for (x = 0; x < brush_width; x++)
11921       {
11922         int sx = cursor_from_x + x;
11923         int sy = cursor_from_y + y;
11924         int lx = sx + level_xpos;
11925         int ly = sy + level_ypos;
11926         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11927         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11928                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11929                        brush_buffer[x][y] : new_element);
11930
11931         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11932         {
11933           if (sx < border_from_x)
11934             border_from_x = sx;
11935           else if (sx > border_to_x)
11936             border_to_x = sx;
11937           if (sy < border_from_y)
11938             border_from_y = sy;
11939           else if (sy > border_to_y)
11940             border_to_y = sy;
11941
11942           DrawBrushElement(sx, sy, element, change_level);
11943         }
11944       }
11945     }
11946
11947     if (mode != CB_DELETE_OLD_CURSOR)
11948       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11949
11950     last_cursor_x = cursor_x;
11951     last_cursor_y = cursor_y;
11952     delete_old_brush = TRUE;
11953   }
11954 }
11955
11956 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11957                             int button)
11958 {
11959   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11960 }
11961
11962 static void CopyBrushToLevel(int x, int y, int button)
11963 {
11964   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11965 }
11966
11967 static void CopyBrushToCursor(int x, int y)
11968 {
11969   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11970 }
11971
11972 static void DeleteBrushFromCursor()
11973 {
11974   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11975 }
11976
11977 void DumpBrush()
11978 {
11979   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11980 }
11981
11982 void DumpBrush_Small()
11983 {
11984   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11985 }
11986
11987 static void FloodFill(int from_x, int from_y, int fill_element)
11988 {
11989   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11990 }
11991
11992 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11993 {
11994   int from_x = from_sx2 + 2 * level_xpos;
11995   int from_y = from_sy2 + 2 * level_ypos;
11996   int max_fillx = lev_fieldx * 2;
11997   int max_filly = lev_fieldy * 2;
11998   short FillFeld[max_fillx][max_filly];
11999   int x, y;
12000
12001   for (x = 0; x < max_fillx; x++)
12002     for (y = 0; y < max_filly; y++)
12003       FillFeld[x][y] = getLevelElementHiRes(x, y);
12004
12005   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12006                     FillFeld, max_fillx, max_filly);
12007
12008   for (x = 0; x < max_fillx; x++)
12009     for (y = 0; y < max_filly; y++)
12010       if (FillFeld[x][y] == fill_element)
12011         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12012 }
12013
12014 /* values for DrawLevelText() modes */
12015 #define TEXT_INIT               0
12016 #define TEXT_SETCURSOR          1
12017 #define TEXT_WRITECHAR          2
12018 #define TEXT_BACKSPACE          3
12019 #define TEXT_NEWLINE            4
12020 #define TEXT_END                5
12021 #define TEXT_QUERY_TYPING       6
12022
12023 static int DrawLevelText(int sx, int sy, char letter, int mode)
12024 {
12025   static short delete_buffer[MAX_LEV_FIELDX];
12026   static int start_sx;
12027   static int last_sx, last_sy;
12028   static boolean typing = FALSE;
12029   int letter_element = EL_CHAR_ASCII0 + letter;
12030   int lx = 0, ly = 0;
12031
12032   /* map lower case letters to upper case and convert special characters */
12033   if (letter >= 'a' && letter <= 'z')
12034     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12035   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12036     letter_element = EL_CHAR_AUMLAUT;
12037   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12038     letter_element = EL_CHAR_OUMLAUT;
12039   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12040     letter_element = EL_CHAR_UUMLAUT;
12041   else if (letter == '^')
12042     letter_element = EL_CHAR_COPYRIGHT;
12043   else
12044     letter_element = EL_CHAR_ASCII0 + letter;
12045
12046   if (mode != TEXT_INIT)
12047   {
12048     if (!typing)
12049       return FALSE;
12050
12051     if (mode != TEXT_SETCURSOR)
12052     {
12053       sx = last_sx;
12054       sy = last_sy;
12055     }
12056
12057     lx = last_sx + level_xpos;
12058     ly = last_sy + level_ypos;
12059   }
12060
12061   switch (mode)
12062   {
12063     case TEXT_INIT:
12064       if (typing)
12065         DrawLevelText(0, 0, 0, TEXT_END);
12066
12067       typing = TRUE;
12068       start_sx = sx;
12069       last_sx = sx;
12070       last_sy = sy;
12071       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12072       break;
12073
12074     case TEXT_SETCURSOR:
12075       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12076       DrawAreaBorder(sx, sy, sx, sy);
12077       last_sx = sx;
12078       last_sy = sy;
12079       break;
12080
12081     case TEXT_WRITECHAR:
12082       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12083       {
12084         if (new_element1 >= EL_STEEL_CHAR_START &&
12085             new_element1 <= EL_STEEL_CHAR_END)
12086           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12087
12088         delete_buffer[sx - start_sx] = Feld[lx][ly];
12089         Feld[lx][ly] = letter_element;
12090
12091         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12092           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12093         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12094           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12095         else
12096           DrawLevelText(0, 0, 0, TEXT_END);
12097
12098         level.changed = TRUE;
12099       }
12100       break;
12101
12102     case TEXT_BACKSPACE:
12103       if (sx > start_sx)
12104       {
12105         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12106         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12107         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12108       }
12109       break;
12110
12111     case TEXT_NEWLINE:
12112       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12113         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12114       else
12115         DrawLevelText(0, 0, 0, TEXT_END);
12116       break;
12117
12118     case TEXT_END:
12119       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12120       DrawEditorElement(sx, sy, Feld[lx][ly]);
12121       typing = FALSE;
12122       break;
12123
12124     case TEXT_QUERY_TYPING:
12125       break;
12126
12127     default:
12128       break;
12129   }
12130
12131   return typing;
12132 }
12133
12134 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12135                           int element, boolean change_level)
12136 {
12137   int lx = sx + level_xpos;
12138   int ly = sy + level_ypos;
12139
12140   if (element == -1)
12141     DrawEditorElement(sx, sy, Feld[lx][ly]);
12142   else
12143     DrawAreaBorder(sx, sy, sx, sy);
12144 }
12145
12146 static void CheckLevelBorderElement(boolean redraw_playfield)
12147 {
12148   int last_border_element = BorderElement;
12149
12150   SetBorderElement();
12151
12152   if (redraw_playfield && BorderElement != last_border_element)
12153     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12154 }
12155
12156 static void CopyLevelToUndoBuffer(int mode)
12157 {
12158   static boolean accumulated_undo = FALSE;
12159   boolean new_undo_buffer_position = TRUE;
12160   int x, y;
12161
12162   if (undo_buffer_steps == 0)
12163     accumulated_undo = FALSE;
12164
12165   switch (mode)
12166   {
12167     case UNDO_IMMEDIATE:
12168       accumulated_undo = FALSE;
12169       break;
12170
12171     case UNDO_ACCUMULATE:
12172       if (accumulated_undo)
12173         new_undo_buffer_position = FALSE;
12174       accumulated_undo = TRUE;
12175       break;
12176
12177     default:
12178       break;
12179   }
12180
12181   if (new_undo_buffer_position)
12182   {
12183     /* advance position in undo buffer ring */
12184     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12185
12186     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12187       undo_buffer_steps++;
12188   }
12189
12190   /* always reset redo buffer when storing level change into undo buffer */
12191   redo_buffer_steps = 0;
12192
12193   for (x = 0; x < lev_fieldx; x++)
12194     for (y = 0; y < lev_fieldy; y++)
12195       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12196
12197   /* check if drawing operation forces change of border style */
12198   CheckLevelBorderElement(TRUE);
12199
12200   level.changed = TRUE;
12201 }
12202
12203 static void RandomPlacement(int new_element)
12204 {
12205   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12206   int num_free_positions = 0;
12207   int num_percentage, num_elements;
12208   int x, y;
12209
12210   ResetIntelliDraw();
12211
12212   /* determine number of free positions for randomly placing the new element */
12213   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12214   {
12215     free_position[x][y] =
12216       (random_placement_background_restricted ?
12217        Feld[x][y] == random_placement_background_element :
12218        Feld[x][y] != new_element);
12219
12220     if (free_position[x][y])
12221       num_free_positions++;
12222   }
12223
12224   /* determine number of new elements to place there */
12225   num_percentage = num_free_positions * random_placement_value / 100;
12226   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12227                   num_percentage : random_placement_value);
12228
12229   /* if less free positions than elements to place, fill all these positions */
12230   if (num_free_positions < num_elements)
12231   {
12232     for (x = 0; x < lev_fieldx; x++)
12233       for (y = 0; y < lev_fieldy; y++)
12234         if (free_position[x][y])
12235           SetElement(x, y, new_element);
12236   }
12237   else
12238   {
12239     while (num_elements > 0)
12240     {
12241       x = GetSimpleRandom(lev_fieldx);
12242       y = GetSimpleRandom(lev_fieldy);
12243
12244       /* don't place element at the same position twice */
12245       if (free_position[x][y])
12246       {
12247         free_position[x][y] = FALSE;
12248         SetElement(x, y, new_element);
12249         num_elements--;
12250       }
12251     }
12252   }
12253
12254   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12255   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12256 }
12257
12258 void WrapLevel(int dx, int dy)
12259 {
12260   int wrap_dx = lev_fieldx - dx;
12261   int wrap_dy = lev_fieldy - dy;
12262   int x, y;
12263
12264   for (x = 0; x < lev_fieldx; x++)
12265     for (y = 0; y < lev_fieldy; y++)
12266       FieldBackup[x][y] = Feld[x][y];
12267
12268   for (x = 0; x < lev_fieldx; x++)
12269     for (y = 0; y < lev_fieldy; y++)
12270       Feld[x][y] =
12271         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12272
12273   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12274   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12275 }
12276
12277 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12278 {
12279   char *template_filename_old = getLocalLevelTemplateFilename();
12280   char *template_filename_new =
12281     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12282
12283   if (copyFile(template_filename_old, template_filename_new) != 0)
12284     Request("Cannot copy level template!", REQ_CONFIRM);
12285
12286   free(template_filename_new);
12287 }
12288
12289 static void HandleDrawingAreas(struct GadgetInfo *gi)
12290 {
12291   static boolean started_inside_drawing_area = FALSE;
12292   static int last_sx = -1, last_sy = -1;
12293   static int last_sx2 = -1, last_sy2 = -1;
12294   int id = gi->custom_id;
12295   int type_id = gi->custom_type_id;
12296   boolean button_press_event;
12297   boolean button_release_event;
12298   boolean inside_drawing_area = !gi->event.off_borders;
12299   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12300   int actual_drawing_function;
12301   int button = gi->event.button;
12302   int new_element = BUTTON_ELEMENT(button);
12303   int sx = gi->event.x, sy = gi->event.y;
12304   int min_sx = 0, min_sy = 0;
12305   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12306   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12307   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12308   int sx2 = gi->event.mx / mini_item_xsize;
12309   int sy2 = gi->event.my / mini_item_ysize;
12310   int dx = sx2 % 2;
12311   int dy = sy2 % 2;
12312   int lx = 0, ly = 0;
12313   int min_lx = 0, min_ly = 0;
12314   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12315   int x, y;
12316
12317   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12318   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12319
12320   /* make sure to stay inside drawing area boundaries */
12321   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12322   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12323
12324   if (draw_level)
12325   {
12326     /* get positions inside level field */
12327     lx = sx + level_xpos;
12328     ly = sy + level_ypos;
12329
12330     if (!IN_LEV_FIELD(lx, ly))
12331       inside_drawing_area = FALSE;
12332
12333     /* make sure to stay inside level field boundaries */
12334     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12335     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12336
12337     /* correct drawing area positions accordingly */
12338     sx = lx - level_xpos;
12339     sy = ly - level_ypos;
12340   }
12341
12342   /* also correct MM wall-sized (double) drawing area positions accordingly */
12343   if (sx2 / 2 < sx || sx2 / 2 > sx)
12344   {
12345     dx = (sx2 / 2 < sx ? 0 : 1);
12346     sx2 = sx * 2 + dx;
12347   }
12348   if (sy2 / 2 < sy || sy2 / 2 > sy)
12349   {
12350     dy = (sy2 / 2 < sy ? 0 : 1);
12351     sy2 = sy * 2 + dy;
12352   }
12353
12354   if (button_release_event)
12355   {
12356     last_sx = -1;
12357     last_sy = -1;
12358     last_sx2 = -1;
12359     last_sy2 = -1;
12360   }
12361   else if (!button_press_event)
12362   {
12363     /* prevent handling events for every pixel position when moving mouse */
12364     if ((sx == last_sx && sy == last_sy &&
12365          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12366         (sx2 == last_sx2 && sy2 == last_sy2))
12367       return;
12368   }
12369
12370   last_sx = sx;
12371   last_sy = sy;
12372   last_sx2 = sx2;
12373   last_sy2 = sy2;
12374
12375   if (button_press_event)
12376     started_inside_drawing_area = inside_drawing_area;
12377
12378   if (!started_inside_drawing_area)
12379     return;
12380
12381   if (!IS_VALID_BUTTON(button))
12382     return;
12383
12384   if (!button && !button_release_event)
12385     return;
12386
12387   /* handle info callback for each invocation of action callback */
12388   gi->callback_info(gi);
12389
12390   /* automatically switch to 'single item' drawing mode, if needed */
12391   actual_drawing_function =
12392     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12393      drawing_function : GADGET_ID_SINGLE_ITEMS);
12394
12395   /* clicking into drawing area with pressed Control key picks element */
12396   if (GetKeyModState() & KMOD_Control)
12397   {
12398     last_drawing_function = drawing_function;
12399     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12400   }
12401
12402   if (GetKeyModState() & KMOD_Shift)
12403   {
12404     if (button_press_event || button_release_event)
12405       ResetIntelliDraw();
12406   }
12407
12408   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12409
12410   switch (actual_drawing_function)
12411   {
12412     case GADGET_ID_SINGLE_ITEMS:
12413       if (draw_level)
12414       {
12415         if (button_release_event)
12416         {
12417           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12418
12419           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12420               !inside_drawing_area)
12421             DeleteBrushFromCursor();
12422         }
12423
12424         if (!button || button_release_event)
12425           break;
12426
12427         if (draw_with_brush)
12428         {
12429           CopyBrushToLevel(sx, sy, button);
12430         }
12431         else
12432         {
12433           SetDrawModeHiRes(new_element);
12434
12435           if (new_element == EL_PLAYER_1)
12436           {
12437             /* remove player at old position */
12438             for (y = 0; y < lev_fieldy; y++)
12439               for (x = 0; x < lev_fieldx; x++)
12440                 if (Feld[x][y] == EL_PLAYER_1)
12441                   SetElement(x, y, EL_EMPTY);
12442           }
12443
12444           SetElementButton(lx, ly, dx, dy, new_element, button);
12445         }
12446       }
12447       else if (!button_release_event)
12448       {
12449         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12450
12451         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12452           DrawMiniGraphicExt(drawto,
12453                              gi->x + sx * MINI_TILEX,
12454                              gi->y + sy * MINI_TILEY,
12455                              el2edimg(new_element));
12456         else
12457           DrawFixedGraphicExt(drawto,
12458                               gi->x + sx * TILEX,
12459                               gi->y + sy * TILEY,
12460                               el2edimg(new_element), 0);
12461
12462         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12463           new_element = GFX_ELEMENT(new_element);
12464
12465         drawingarea_info[type_id].value[pos] = new_element;
12466
12467         CopyElementPropertiesToGame(properties_element);
12468
12469         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12470         {
12471           UpdateCustomElementGraphicGadgets();
12472
12473           FrameCounter = 0;     /* restart animation frame counter */
12474         }
12475       }
12476       break;
12477
12478     case GADGET_ID_CONNECTED_ITEMS:
12479       {
12480         static int last_sx = -1;
12481         static int last_sy = -1;
12482
12483         if (button_release_event)
12484           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12485
12486         if (button)
12487         {
12488           SetDrawModeHiRes(new_element);
12489
12490           if (getDrawModeHiRes())
12491           {
12492             sx = sx2;
12493             sy = sy2;
12494           }
12495
12496           if (!button_press_event)
12497             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12498
12499           last_sx = sx;
12500           last_sy = sy;
12501         }
12502       }
12503       break;
12504
12505     case GADGET_ID_LINE:
12506     case GADGET_ID_ARC:
12507     case GADGET_ID_RECTANGLE:
12508     case GADGET_ID_FILLED_BOX:
12509       SetDrawModeHiRes(new_element);
12510
12511       if (getDrawModeHiRes())
12512       {
12513         sx = sx2;
12514         sy = sy2;
12515       }
12516       /* FALLTHROUGH */
12517     case GADGET_ID_GRAB_BRUSH:
12518     case GADGET_ID_TEXT:
12519       {
12520         static int last_sx = -1;
12521         static int last_sy = -1;
12522         static int start_sx = -1;
12523         static int start_sy = -1;
12524         void (*draw_func)(int, int, int, int, int, boolean);
12525
12526         if (drawing_function == GADGET_ID_LINE)
12527           draw_func = DrawLine;
12528         else if (drawing_function == GADGET_ID_ARC)
12529           draw_func = DrawArc;
12530         else if (drawing_function == GADGET_ID_RECTANGLE)
12531           draw_func = DrawBox;
12532         else if (drawing_function == GADGET_ID_FILLED_BOX)
12533           draw_func = DrawFilledBox;
12534         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12535           draw_func = SelectArea;
12536         else /* (drawing_function == GADGET_ID_TEXT) */
12537           draw_func = SetTextCursor;
12538
12539         if (button_press_event)
12540         {
12541           draw_func(sx, sy, sx, sy, new_element, FALSE);
12542           start_sx = last_sx = sx;
12543           start_sy = last_sy = sy;
12544
12545           if (drawing_function == GADGET_ID_TEXT)
12546             DrawLevelText(0, 0, 0, TEXT_END);
12547         }
12548         else if (button_release_event)
12549         {
12550           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12551           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12552           {
12553             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12554             CopyBrushToCursor(sx, sy);
12555             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12556                           MB_LEFTBUTTON);
12557             draw_with_brush = TRUE;
12558           }
12559           else if (drawing_function == GADGET_ID_TEXT)
12560             DrawLevelText(sx, sy, 0, TEXT_INIT);
12561           else
12562             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12563         }
12564         else if (last_sx != sx || last_sy != sy)
12565         {
12566           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12567           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12568             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12569           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12570           last_sx = sx;
12571           last_sy = sy;
12572         }
12573       }
12574       break;
12575
12576     case GADGET_ID_FLOOD_FILL:
12577       if (button_press_event && Feld[lx][ly] != new_element)
12578       {
12579         if (IS_MM_WALL_EDITOR(new_element))
12580           FloodFillWall_MM(sx2, sy2, new_element);
12581         else
12582           FloodFill(lx, ly, new_element);
12583
12584         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12585         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12586       }
12587       break;
12588
12589     case GADGET_ID_PICK_ELEMENT:
12590       if (button_release_event)
12591         ClickOnGadget(level_editor_gadget[last_drawing_function],
12592                       MB_LEFTBUTTON);
12593       else if (draw_level)
12594         PickDrawingElement(button, Feld[lx][ly]);
12595       else
12596       {
12597         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12598
12599         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12600       }
12601
12602     default:
12603       break;
12604   }
12605
12606   /* do not mark level as modified for certain non-level-changing gadgets */
12607   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12608        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12609       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12610       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12611     return;
12612
12613   level.changed = TRUE;
12614 }
12615
12616 static void HandleCounterButtons(struct GadgetInfo *gi)
12617 {
12618   int gadget_id = gi->custom_id;
12619   int counter_id = gi->custom_type_id;
12620   int button = gi->event.button;
12621   int *counter_value = counterbutton_info[counter_id].value;
12622   int step = BUTTON_STEPSIZE(button) *
12623     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12624
12625   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12626   {
12627     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12628     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12629     boolean level_changed = LevelChanged();
12630
12631     if ((level_changed && pressed) || (!level_changed && released))
12632       return;
12633
12634     if (level_changed && !Request("Level has changed! Discard changes?",
12635                                   REQ_ASK))
12636     {
12637       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12638         ModifyEditorCounterValue(counter_id, *counter_value);
12639
12640       return;
12641     }
12642   }
12643
12644   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12645     *counter_value = gi->textinput.number_value;
12646   else
12647     ModifyEditorCounterValue(counter_id, *counter_value + step);
12648
12649   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12650   {
12651     int last_game_engine_type = level.game_engine_type;
12652
12653     LoadLevel(level_nr);
12654     LoadScore(level_nr);
12655
12656     SaveLevelSetup_SeriesInfo();
12657
12658     TapeErase();
12659
12660     ResetUndoBuffer();
12661     DrawEditModeWindow();
12662
12663     if (level.game_engine_type != last_game_engine_type)
12664     {
12665       /* update element selection list */
12666       ReinitializeElementList();
12667       ModifyEditorElementList();
12668     }
12669
12670     return;
12671   }
12672
12673   switch (counter_id)
12674   {
12675     case ED_COUNTER_ID_YAMYAM_CONTENT:
12676       DrawYamYamContentAreas();
12677       break;
12678
12679     case ED_COUNTER_ID_BALL_CONTENT:
12680       DrawMagicBallContentAreas();
12681       break;
12682
12683     case ED_COUNTER_ID_ANDROID_CONTENT:
12684       DrawAndroidElementArea(properties_element);
12685       break;
12686
12687     case ED_COUNTER_ID_GROUP_CONTENT:
12688       DrawGroupElementArea(properties_element);
12689       CopyGroupElementPropertiesToGame(properties_element);
12690       break;
12691
12692     case ED_COUNTER_ID_INVENTORY_SIZE:
12693       DrawPlayerInitialInventoryArea(properties_element);
12694       break;
12695
12696     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12697     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12698       DrawEnvelopeTextArea(-1);
12699       break;
12700
12701     case ED_COUNTER_ID_LEVEL_XSIZE:
12702     case ED_COUNTER_ID_LEVEL_YSIZE:
12703       lev_fieldx = level.fieldx;
12704       lev_fieldy = level.fieldy;
12705
12706       /* check if resizing of level results in change of border border */
12707       SetBorderElement();
12708
12709       break;
12710
12711     default:
12712       break;
12713   }
12714
12715   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12716        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12717       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12718        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12719     CopyElementPropertiesToGame(properties_element);
12720
12721   /* do not mark level as modified for certain non-level-changing gadgets */
12722   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12723        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12724       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12725        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12726     return;
12727
12728   level.changed = TRUE;
12729 }
12730
12731 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12732 {
12733   int type_id = gi->custom_type_id;
12734
12735   strcpy(textinput_info[type_id].value, gi->textinput.value);
12736
12737   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12738   {
12739     CopyElementPropertiesToGame(properties_element);
12740
12741     ModifyEditorElementList();  /* update changed button info text */
12742   }
12743
12744   /* do not mark level as modified for certain non-level-changing gadgets */
12745   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12746       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12747     return;
12748
12749   level.changed = TRUE;
12750 }
12751
12752 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12753 {
12754   int type_id = gi->custom_type_id;
12755
12756   strncpy(textarea_info[type_id].value, gi->textarea.value,
12757           MAX_ENVELOPE_TEXT_LEN);
12758   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12759
12760   level.changed = TRUE;
12761 }
12762
12763 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12764 {
12765   int type_id = gi->custom_type_id;
12766   int value_old = *selectbox_info[type_id].value;
12767   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12768
12769   *selectbox_info[type_id].value = value_new;
12770
12771   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12772   {
12773     DrawLevelInfoWindow();
12774   }
12775   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12776   {
12777     element_info[properties_element].current_change_page = gi->selectbox.index;
12778
12779     DrawPropertiesWindow();
12780   }
12781   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12782             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12783            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12784             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12785            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12786   {
12787     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12788     {
12789       /* when changing action type, also check action mode and action arg */
12790       if (value_old != value_new)
12791         setSelectboxSpecialActionVariablesIfNeeded();
12792
12793       DrawPropertiesChange();
12794     }
12795
12796     CopyElementPropertiesToGame(properties_element);
12797   }
12798   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12799   {
12800     /* update element selection list */
12801     ReinitializeElementList();
12802     ModifyEditorElementList();
12803   }
12804
12805   /* do not mark level as modified for certain non-level-changing gadgets */
12806   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12807       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12808     return;
12809
12810   level.changed = TRUE;
12811 }
12812
12813 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12814 {
12815   int type_id = gi->custom_type_id;
12816   int i;
12817
12818   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12819       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12820   {
12821     edit_mode_levelinfo = gi->custom_type_id;
12822
12823     DrawLevelInfoWindow();
12824   }
12825   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12826            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12827   {
12828     edit_mode_properties = gi->custom_type_id;
12829
12830     DrawPropertiesWindow();
12831   }
12832   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12833            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12834   {
12835     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12836
12837     /* backup original "level.field" (needed to track playfield changes) */
12838     CopyPlayfield(level.field, FieldBackup);
12839
12840     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12841     CopyPlayfield(Feld, level.field);
12842
12843     if (new_template ||
12844         Request("Save this template and kill the old?", REQ_ASK))
12845       SaveLevelTemplate();
12846
12847     if (new_template)
12848       Request("Template saved!", REQ_CONFIRM);
12849
12850     /* restore original "level.field" (needed to track playfield changes) */
12851     CopyPlayfield(FieldBackup, level.field);
12852   }
12853   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12854   {
12855     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12856
12857     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12858         leveldir_current->readonly)
12859     {
12860       Request("This level set is read only!", REQ_CONFIRM);
12861
12862       return;
12863     }
12864
12865     if (strEqual(levelset_name, ""))
12866     {
12867       Request("Please enter level set title!", REQ_CONFIRM);
12868
12869       return;
12870     }
12871
12872     if (strEqual(levelset_author, ""))
12873     {
12874       Request("Please enter level set author!", REQ_CONFIRM);
12875
12876       return;
12877     }
12878
12879     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12880     {
12881       if (UpdateUserLevelSet(levelset_subdir,
12882                              levelset_name,
12883                              levelset_author,
12884                              levelset_num_levels))
12885       {
12886         Request("Level set updated!", REQ_CONFIRM);
12887       }
12888       else
12889       {
12890         Request("Updating level set failed!", REQ_CONFIRM);
12891       }
12892     }
12893     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
12894     {
12895       if (level.changed && !Request("Level has changed! Discard changes?",
12896                                      REQ_ASK))
12897         return;
12898
12899       if (CreateUserLevelSet(levelset_subdir,
12900                              levelset_name,
12901                              levelset_author,
12902                              levelset_num_levels,
12903                              levelset_use_levelset_artwork))
12904       {
12905         if (levelset_copy_level_template)
12906           CopyLevelTemplateToUserLevelSet(levelset_subdir);
12907
12908         Request("New level set created!", REQ_CONFIRM);
12909
12910         AddUserLevelSetToLevelInfo(levelset_subdir);
12911         ChangeEditorToLevelSet(levelset_subdir);
12912       }
12913       else
12914       {
12915         Request("Creating new level set failed!", REQ_CONFIRM);
12916       }
12917     }
12918   }
12919   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12920            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12921   {
12922     struct ElementInfo *ei = &element_info[properties_element];
12923
12924     /* when modifying custom element, ask for copying level template */
12925     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12926       return;
12927
12928     setElementChangePages(ei, ei->num_change_pages + 1);
12929
12930     /* set new change page to be new current change page */
12931     ei->current_change_page = ei->num_change_pages - 1;
12932     ei->change = &ei->change_page[ei->current_change_page];
12933
12934     setElementChangeInfoToDefaults(ei->change);
12935
12936     DrawPropertiesWindow();
12937
12938     level.changed = TRUE;
12939   }
12940   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12941            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12942   {
12943     struct ElementInfo *ei = &element_info[properties_element];
12944
12945     /* when modifying custom element, ask for copying level template */
12946     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12947       return;
12948
12949     /* copy all change pages after change page to be deleted */
12950     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12951       ei->change_page[i] = ei->change_page[i + 1];
12952
12953     setElementChangePages(ei, ei->num_change_pages - 1);
12954
12955     DrawPropertiesWindow();
12956
12957     level.changed = TRUE;
12958   }
12959 }
12960
12961 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12962 {
12963   int type_id = gi->custom_type_id;
12964
12965   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12966       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12967   {
12968     struct ElementInfo *ei = &element_info[properties_element];
12969     int step = BUTTON_STEPSIZE(gi->event.button);
12970
12971     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12972     ei->current_change_page += step;
12973
12974     if (ei->current_change_page < 0)
12975       ei->current_change_page = 0;
12976     else if (ei->current_change_page >= ei->num_change_pages)
12977       ei->current_change_page = ei->num_change_pages - 1;
12978
12979     DrawPropertiesWindow();
12980   }
12981   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12982            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12983   {
12984     struct ElementInfo *ei = &element_info[properties_element];
12985     int current_change_page = ei->current_change_page;
12986
12987     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12988     {
12989       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12990         ei->change_page[current_change_page];
12991     }
12992     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12993     {
12994       /* when modifying custom element, ask for copying level template */
12995       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12996         return;
12997
12998       ei->change_page[current_change_page] =
12999         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13000
13001       level.changed = TRUE;
13002     }
13003
13004     DrawPropertiesWindow();
13005   }
13006 }
13007
13008 static void HandleRadiobuttons(struct GadgetInfo *gi)
13009 {
13010   int type_id = gi->custom_type_id;
13011
13012   *radiobutton_info[type_id].value =
13013     radiobutton_info[type_id].checked_value;
13014
13015   /* do not mark level as modified for certain non-level-changing gadgets */
13016   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13017       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13018     return;
13019
13020   level.changed = TRUE;
13021 }
13022
13023 static void HandleCheckbuttons(struct GadgetInfo *gi)
13024 {
13025   int type_id = gi->custom_type_id;
13026
13027   *checkbutton_info[type_id].value ^= TRUE;
13028
13029   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13030       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13031       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13032       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13033          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13034         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13035          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13036        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13037   {
13038     CopyElementPropertiesToGame(properties_element);
13039   }
13040
13041   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13042   {
13043     UpdateCustomElementGraphicGadgets();
13044   }
13045   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13046            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13047   {
13048     boolean template_related_changes_found = FALSE;
13049     int i;
13050
13051     /* check if any custom or group elements have been changed */
13052     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13053       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13054           element_info[i].modified_settings)
13055         template_related_changes_found = TRUE;
13056
13057     if (level.use_custom_template &&
13058         !fileExists(getGlobalLevelTemplateFilename()))
13059     {
13060       Request("No level template found!", REQ_CONFIRM);
13061
13062       level.use_custom_template = FALSE;
13063
13064       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13065
13066       return;
13067     }
13068
13069     if (level.use_custom_template &&
13070         template_related_changes_found &&
13071         !Request("Discard changes and use level template?", REQ_ASK))
13072     {
13073       level.use_custom_template = FALSE;
13074
13075       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13076
13077       return;
13078     }
13079
13080     if (!level.use_custom_template &&
13081         Request("Copy settings from level template?", REQ_ASK))
13082     {
13083       return;
13084     }
13085
13086     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13087
13088     DrawEditModeWindow();
13089   }
13090   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13091   {
13092     if (setup.editor.use_template_for_new_levels &&
13093         !fileExists(getGlobalLevelTemplateFilename()))
13094     {
13095       Request("No level template found!", REQ_CONFIRM);
13096
13097       return;
13098     }
13099
13100     if (setup.editor.use_template_for_new_levels &&
13101         level.changed &&
13102         !Request("Discard level and load template?", REQ_ASK))
13103     {
13104       return;
13105     }
13106
13107     if (!setup.editor.use_template_for_new_levels &&
13108         level.changed &&
13109         !Request("Discard level and use empty level?", REQ_ASK))
13110     {
13111       return;
13112     }
13113
13114     LoadLevel(level_nr);
13115     LoadScore(level_nr);
13116
13117     TapeErase();
13118
13119     ResetUndoBuffer();
13120     DrawEditModeWindow();
13121   }
13122   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13123   {
13124     SetAutomaticNumberOfGemsNeeded();
13125   }
13126
13127   /* do not mark level as modified for certain non-level-changing gadgets */
13128   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13129        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13130       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13131        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
13132       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13133     return;
13134
13135   level.changed = TRUE;
13136 }
13137
13138 static void HandleControlButtons(struct GadgetInfo *gi)
13139 {
13140   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13141   static int last_edit_mode = ED_MODE_DRAWING;
13142   static int last_custom_copy_mode = -1;
13143   static int last_button = 0;
13144   int id = gi->custom_id;
13145   int button = gi->event.button;
13146   int step = BUTTON_STEPSIZE(button);
13147   int new_element = BUTTON_ELEMENT(button);
13148   int last_properties_element = properties_element;
13149   int x, y;
13150
13151   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13152     DrawLevelText(0, 0, 0, TEXT_END);
13153
13154   if (id < ED_NUM_CTRL1_BUTTONS &&
13155       id != GADGET_ID_SINGLE_ITEMS &&
13156       id != GADGET_ID_PICK_ELEMENT &&
13157       edit_mode != ED_MODE_DRAWING &&
13158       drawing_function != GADGET_ID_PICK_ELEMENT &&
13159       !(GetKeyModState() & KMOD_Control))
13160     ChangeEditModeWindow(ED_MODE_DRAWING);
13161
13162   /* element copy mode active, but no element button pressed => deactivate */
13163   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13164     last_custom_copy_mode = -1;
13165
13166   /* when showing palette on element buttons, change element of button used */
13167   if (editor.palette.show_on_element_buttons &&
13168       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13169   {
13170     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13171
13172     id = GADGET_ID_PALETTE;
13173   }
13174
13175   switch (id)
13176   {
13177     case GADGET_ID_SCROLL_LEFT:
13178       if (level_xpos >= 0)
13179       {
13180         if (lev_fieldx < ed_fieldx - 2)
13181           break;
13182
13183         level_xpos -= step;
13184         if (level_xpos < -1)
13185           level_xpos = -1;
13186         if (button == 1)
13187           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13188         else
13189           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13190
13191         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13192                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13193       }
13194       break;
13195
13196     case GADGET_ID_SCROLL_RIGHT:
13197       if (level_xpos <= lev_fieldx - ed_fieldx)
13198       {
13199         if (lev_fieldx < ed_fieldx - 2)
13200           break;
13201
13202         level_xpos += step;
13203         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13204           level_xpos = lev_fieldx - ed_fieldx + 1;
13205         if (button == 1)
13206           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13207         else
13208           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13209
13210         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13211                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13212       }
13213       break;
13214
13215     case GADGET_ID_SCROLL_UP:
13216       if (level_ypos >= 0)
13217       {
13218         if (lev_fieldy < ed_fieldy - 2)
13219           break;
13220
13221         level_ypos -= step;
13222         if (level_ypos < -1)
13223           level_ypos = -1;
13224         if (button == 1)
13225           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13226         else
13227           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13228
13229         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13230                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13231       }
13232       break;
13233
13234     case GADGET_ID_SCROLL_DOWN:
13235       if (level_ypos <= lev_fieldy - ed_fieldy)
13236       {
13237         if (lev_fieldy < ed_fieldy - 2)
13238           break;
13239
13240         level_ypos += step;
13241         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13242           level_ypos = lev_fieldy - ed_fieldy + 1;
13243         if (button == 1)
13244           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13245         else
13246           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13247
13248         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13249                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13250       }
13251       break;
13252
13253     case GADGET_ID_SCROLL_HORIZONTAL:
13254       level_xpos = gi->event.item_position - 1;
13255
13256       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13257       BackToFront();
13258
13259       break;
13260
13261     case GADGET_ID_SCROLL_VERTICAL:
13262       level_ypos = gi->event.item_position - 1;
13263
13264       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13265       BackToFront();
13266
13267       break;
13268
13269     case GADGET_ID_SCROLL_LIST_UP:
13270     case GADGET_ID_SCROLL_LIST_DOWN:
13271     case GADGET_ID_SCROLL_LIST_VERTICAL:
13272       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13273         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13274       else
13275       {
13276         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13277         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13278
13279         if (element_shift < 0)
13280           element_shift = 0;
13281         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13282           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13283
13284         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13285                      GDI_SCROLLBAR_ITEM_POSITION,
13286                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13287       }
13288
13289       ModifyEditorElementList();
13290
13291       break;
13292
13293     case GADGET_ID_PROPERTIES:
13294       // always switch off element properties when they are already displayed
13295       last_properties_element = new_element;
13296     case GADGET_ID_ELEMENT_LEFT:
13297     case GADGET_ID_ELEMENT_MIDDLE:
13298     case GADGET_ID_ELEMENT_RIGHT:
13299       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13300                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13301                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13302                             new_element);
13303
13304       if (edit_mode != ED_MODE_PROPERTIES)
13305       {
13306         last_edit_mode = edit_mode;
13307
13308         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13309
13310         last_level_drawing_function = drawing_function;
13311         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13312                       MB_LEFTBUTTON);
13313       }
13314       else if (properties_element != last_properties_element)
13315       {
13316         DrawEditModeWindow();
13317       }
13318       else
13319       {
13320         ChangeEditModeWindow(last_edit_mode);
13321
13322         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13323                       MB_LEFTBUTTON);
13324       }
13325       break;
13326
13327     case GADGET_ID_PALETTE:
13328       if (edit_mode != ED_MODE_PALETTE)
13329       {
13330         last_edit_mode = edit_mode;
13331
13332         ChangeEditModeWindow(ED_MODE_PALETTE);
13333       }
13334       else
13335       {
13336         ChangeEditModeWindow(last_edit_mode);
13337       }
13338       break;
13339
13340     case GADGET_ID_WRAP_LEFT:
13341       WrapLevel(-step, 0);
13342       break;
13343
13344     case GADGET_ID_WRAP_RIGHT:
13345       WrapLevel(step, 0);
13346       break;
13347
13348     case GADGET_ID_WRAP_UP:
13349       WrapLevel(0, -step);
13350       break;
13351
13352     case GADGET_ID_WRAP_DOWN:
13353       WrapLevel(0, step);
13354       break;
13355
13356     case GADGET_ID_SINGLE_ITEMS:
13357     case GADGET_ID_CONNECTED_ITEMS:
13358     case GADGET_ID_LINE:
13359     case GADGET_ID_ARC:
13360     case GADGET_ID_TEXT:
13361     case GADGET_ID_RECTANGLE:
13362     case GADGET_ID_FILLED_BOX:
13363     case GADGET_ID_FLOOD_FILL:
13364     case GADGET_ID_GRAB_BRUSH:
13365     case GADGET_ID_PICK_ELEMENT:
13366       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13367         last_drawing_function = drawing_function;
13368       drawing_function = id;
13369       draw_with_brush = FALSE;
13370       break;
13371
13372     case GADGET_ID_RANDOM_PLACEMENT:
13373       RandomPlacement(new_element);
13374       break;
13375
13376     case GADGET_ID_ZOOM:
13377       // zoom level editor tile size in or out (or reset to default size)
13378       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13379                      button == 2 ? ed_tilesize_default :
13380                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13381
13382       // limit zoom level by upper and lower bound
13383       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13384
13385       InitZoomLevelSettings(ed_tilesize);
13386
13387       if (edit_mode == ED_MODE_DRAWING)
13388       {
13389         DrawDrawingWindow();
13390
13391         /* redraw zoom gadget info text */
13392         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13393       }
13394
13395       /* save current editor zoom tilesize */
13396       SaveSetup_AutoSetup();
13397
13398       break;
13399
13400     case GADGET_ID_CUSTOM_COPY_FROM:
13401     case GADGET_ID_CUSTOM_COPY_TO:
13402     case GADGET_ID_CUSTOM_EXCHANGE:
13403       last_custom_copy_mode = id;
13404       last_drawing_function = drawing_function;
13405       break;
13406
13407     case GADGET_ID_CUSTOM_COPY:
13408       CopyCustomElement(properties_element, -1, id);
13409       break;
13410
13411     case GADGET_ID_CUSTOM_PASTE:
13412       CopyCustomElement(-1, properties_element, id);
13413       break;
13414
13415     case GADGET_ID_UNDO:
13416       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13417         button = 3;
13418
13419       if (button == 1 && undo_buffer_steps == 0)
13420       {
13421         Request("Undo buffer empty!", REQ_CONFIRM);
13422
13423         break;
13424       }
13425       else if (button == 2)
13426       {
13427         break;
13428       }
13429       else if (button == 3 && redo_buffer_steps == 0)
13430       {
13431         Request("Redo buffer empty!", REQ_CONFIRM);
13432
13433         break;
13434       }
13435
13436       if (edit_mode != ED_MODE_DRAWING)
13437         ChangeEditModeWindow(ED_MODE_DRAWING);
13438
13439       if (button == 1)
13440       {
13441         /* undo */
13442
13443         undo_buffer_position =
13444           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13445
13446         undo_buffer_steps--;
13447         redo_buffer_steps++;
13448       }
13449       else
13450       {
13451         /* redo */
13452
13453         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13454
13455         undo_buffer_steps++;
13456         redo_buffer_steps--;
13457       }
13458
13459       for (x = 0; x < lev_fieldx; x++)
13460         for (y = 0; y < lev_fieldy; y++)
13461           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13462
13463       /* check if undo operation forces change of border style */
13464       CheckLevelBorderElement(FALSE);
13465
13466       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13467
13468       break;
13469
13470     case GADGET_ID_INFO:
13471       if (edit_mode != ED_MODE_INFO)
13472       {
13473         last_edit_mode = edit_mode;
13474
13475         ChangeEditModeWindow(ED_MODE_INFO);
13476       }
13477       else
13478       {
13479         ChangeEditModeWindow(last_edit_mode);
13480       }
13481       break;
13482
13483     case GADGET_ID_CLEAR:
13484       if (edit_mode != ED_MODE_DRAWING)
13485         ChangeEditModeWindow(ED_MODE_DRAWING);
13486
13487       for (x = 0; x < MAX_LEV_FIELDX; x++)
13488         for (y = 0; y < MAX_LEV_FIELDY; y++)
13489           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13490
13491       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13492
13493       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13494       break;
13495
13496     case GADGET_ID_SAVE:
13497     {
13498       /* saving read-only levels into personal level set modifies global vars
13499          "leveldir_current" and "level_nr"; restore them after saving level */
13500       LevelDirTree *leveldir_former = leveldir_current;
13501       int level_nr_former = level_nr;
13502       char *level_filename;
13503       boolean new_level;
13504
13505       if (leveldir_current->readonly &&
13506           !PrepareSavingIntoPersonalLevelSet())
13507         break;
13508
13509       level_filename = getDefaultLevelFilename(level_nr);
13510       new_level = !fileExists(level_filename);
13511
13512       if (new_level ||
13513           Request("Save this level and kill the old?", REQ_ASK))
13514       {
13515         if (leveldir_former->readonly)
13516           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13517
13518         SetAutomaticNumberOfGemsNeeded();
13519
13520         CopyPlayfield(Feld, level.field);
13521         SaveLevel(level_nr);
13522
13523         level.changed = FALSE;
13524
13525         if (new_level)
13526         {
13527           char level_saved_msg[64];
13528
13529           if (leveldir_former->readonly)
13530             sprintf(level_saved_msg,
13531                     "Level saved as level %d into personal level set!",
13532                     level_nr);
13533           else
13534             strcpy(level_saved_msg, "Level saved!");
13535
13536           Request(level_saved_msg, REQ_CONFIRM);
13537         }
13538       }
13539
13540       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13541       leveldir_current = leveldir_former;
13542       level_nr = level_nr_former;
13543
13544       break;
13545     }
13546
13547     case GADGET_ID_TEST:
13548       if (LevelChanged())
13549         level.game_version = GAME_VERSION_ACTUAL;
13550
13551       CopyPlayfield(level.field, FieldBackup);
13552       CopyPlayfield(Feld, level.field);
13553
13554       CopyNativeLevel_RND_to_Native(&level);
13555
13556       UnmapLevelEditorGadgets();
13557       UndrawSpecialEditorDoor();
13558
13559       CloseDoor(DOOR_CLOSE_ALL);
13560
13561       /* needed before playing if editor playfield area has different size */
13562       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13563
13564       // redraw_mask = REDRAW_ALL;
13565
13566       level_editor_test_game = TRUE;
13567
13568       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13569
13570       break;
13571
13572     case GADGET_ID_EXIT:
13573       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13574       break;
13575
13576     default:
13577       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13578           id <= GADGET_ID_ELEMENTLIST_LAST)
13579       {
13580         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13581         int new_element = editor_elements[element_position + element_shift];
13582
13583         if (IS_EDITOR_CASCADE(new_element))
13584         {
13585           int i;
13586
13587           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13588           {
13589             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13590             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13591
13592             if (*cascade_element == new_element)
13593             {
13594               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13595               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13596
13597               /* update element selection list */
13598               ReinitializeElementList();
13599               ModifyEditorElementList();
13600
13601               /* update cascading gadget info text */
13602               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13603
13604               /* save current editor cascading state */
13605               SaveSetup_EditorCascade();
13606
13607               break;
13608             }
13609           }
13610
13611           break;
13612         }
13613
13614         if (last_custom_copy_mode != -1)
13615         {
13616           if (CopyCustomElement(properties_element, new_element,
13617                                 last_custom_copy_mode))
13618           {
13619             ClickOnGadget(level_editor_gadget[last_drawing_function],
13620                           MB_LEFTBUTTON);
13621
13622             last_custom_copy_mode = -1;
13623           }
13624
13625           break;
13626         }
13627
13628         /* change element of button used to show palette */
13629         if (editor.palette.show_on_element_buttons)
13630           button = last_button;
13631
13632         PickDrawingElement(button, new_element);
13633
13634         if (!stick_element_properties_window &&
13635             drawing_function != GADGET_ID_PICK_ELEMENT &&
13636             !(GetKeyModState() & KMOD_Control))
13637         {
13638           properties_element = new_element;
13639           if (edit_mode == ED_MODE_PROPERTIES)
13640             DrawPropertiesWindow();
13641         }
13642
13643         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13644           ClickOnGadget(level_editor_gadget[last_drawing_function],
13645                         MB_LEFTBUTTON);
13646
13647         if (!use_permanent_palette)
13648           ChangeEditModeWindow(last_edit_mode);
13649       }
13650 #ifdef DEBUG
13651       else if (gi->event.type == GD_EVENT_PRESSED)
13652         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13653       else if (gi->event.type == GD_EVENT_RELEASED)
13654         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13655       else if (gi->event.type == GD_EVENT_MOVING)
13656         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13657       else
13658         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13659 #endif
13660       break;
13661   }
13662 }
13663
13664 void HandleLevelEditorKeyInput(Key key)
13665 {
13666   char letter = getCharFromKey(key);
13667   int button = MB_LEFTBUTTON;
13668
13669   if (drawing_function == GADGET_ID_TEXT &&
13670       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13671   {
13672     if (letter)
13673       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13674     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13675       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13676     else if (key == KSYM_Return)
13677       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13678     else if (key == KSYM_Escape)
13679       DrawLevelText(0, 0, 0, TEXT_END);
13680   }
13681   else if (button_status == MB_RELEASED)
13682   {
13683     int id = GADGET_ID_NONE;
13684     int new_element_shift = element_shift;
13685     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13686     int i;
13687
13688     switch (key)
13689     {
13690       case KSYM_Left:
13691         id = GADGET_ID_SCROLL_LEFT;
13692         break;
13693       case KSYM_Right:
13694         id = GADGET_ID_SCROLL_RIGHT;
13695         break;
13696       case KSYM_Up:
13697         id = GADGET_ID_SCROLL_UP;
13698         break;
13699       case KSYM_Down:
13700         id = GADGET_ID_SCROLL_DOWN;
13701         break;
13702
13703       case KSYM_Page_Up:
13704       case KSYM_Page_Down:
13705         step *= (key == KSYM_Page_Up ? -1 : +1);
13706         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13707
13708         if (element_shift < 0)
13709           element_shift = 0;
13710         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13711           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13712
13713         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13714                      GDI_SCROLLBAR_ITEM_POSITION,
13715                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13716
13717         ModifyEditorElementList();
13718
13719         break;
13720
13721       case KSYM_Home:
13722       case KSYM_End:
13723         element_shift = (key == KSYM_Home ? 0 :
13724                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13725
13726         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13727                      GDI_SCROLLBAR_ITEM_POSITION,
13728                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13729
13730         ModifyEditorElementList();
13731
13732         break;
13733
13734       case KSYM_Insert:
13735       case KSYM_Delete:
13736
13737         /* this is needed to prevent interference with running "True X-Mouse" */
13738         if (GetKeyModStateFromEvents() & KMOD_Control)
13739           break;
13740
13741         /* check for last or next editor cascade block in element list */
13742         for (i = 0; i < num_editor_elements; i++)
13743         {
13744           if ((key == KSYM_Insert && i == element_shift) ||
13745               (key == KSYM_Delete && new_element_shift > element_shift))
13746             break;
13747
13748           /* jump to next cascade block (or to start of element list) */
13749           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13750             new_element_shift = i;
13751         }
13752
13753         if (i < num_editor_elements)
13754           element_shift = new_element_shift;
13755
13756         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13757           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13758
13759         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13760                      GDI_SCROLLBAR_ITEM_POSITION,
13761                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13762
13763         ModifyEditorElementList();
13764
13765         break;
13766
13767       case KSYM_Escape:
13768         if (edit_mode == ED_MODE_DRAWING)
13769         {
13770           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13771         }
13772         else if (edit_mode == ED_MODE_INFO)
13773         {
13774           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13775         }
13776         else if (edit_mode == ED_MODE_PROPERTIES)
13777         {
13778           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13779         }
13780         else if (edit_mode == ED_MODE_PALETTE)
13781         {
13782           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13783         }
13784         else            /* should never happen */
13785         {
13786           ChangeEditModeWindow(ED_MODE_DRAWING);
13787         }
13788
13789         break;
13790
13791       default:
13792         break;
13793     }
13794
13795     if (id != GADGET_ID_NONE)
13796       ClickOnGadget(level_editor_gadget[id], button);
13797     else if (letter == '1' || letter == '?')
13798       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13799     else if (letter == '2')
13800       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13801     else if (letter == '3')
13802       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13803     else if (letter == '.')
13804       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13805     else if (letter == 'U')
13806       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13807     else if (letter == '-' || key == KSYM_KP_Subtract)
13808       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13809     else if (letter == '0' || key == KSYM_KP_0)
13810       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13811     else if (letter == '+' || key == KSYM_KP_Add ||
13812              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13813       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13814     else if (key == KSYM_Return ||
13815              key == KSYM_space ||
13816              key == setup.shortcut.toggle_pause)
13817       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13818     else
13819       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13820         if (letter && letter == controlbutton_info[i].shortcut)
13821           if (!anyTextGadgetActive())
13822             ClickOnGadget(level_editor_gadget[i], button);
13823   }
13824 }
13825
13826 void HandleLevelEditorIdle()
13827 {
13828   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13829   int x = editor.settings.element_graphic.x + element_border;
13830   int y = editor.settings.element_graphic.y + element_border;
13831   static unsigned int action_delay = 0;
13832   unsigned int action_delay_value = GameFrameDelay;
13833   int i;
13834
13835   if (edit_mode != ED_MODE_PROPERTIES)
13836     return;
13837
13838   if (!DelayReached(&action_delay, action_delay_value))
13839     return;
13840
13841   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13842   {
13843     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13844
13845     if (gi->mapped && gi->active && gi->selectbox.open)
13846       return;
13847   }
13848
13849   DrawEditorElementAnimation(SX + x, SY + y);
13850
13851   redraw_mask |= REDRAW_FIELD;
13852
13853   FrameCounter++;       /* increase animation frame counter */
13854 }
13855
13856 static void ClearEditorGadgetInfoText()
13857 {
13858   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13859 }
13860
13861 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13862 {
13863   char infotext[MAX_OUTPUT_LINESIZE + 1];
13864   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13865   int max_infotext_len = getMaxInfoTextLength();
13866
13867   if (gi == NULL || strlen(gi->info_text) == 0)
13868     return;
13869
13870   strncpy(infotext, gi->info_text, max_infotext_len);
13871   infotext[max_infotext_len] = '\0';
13872
13873   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13874   {
13875     int key = controlbutton_info[gi->custom_id].shortcut;
13876
13877     if (key)
13878     {
13879       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13880         sprintf(shortcut, " ('.' or '%c')", key);
13881       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13882         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13883       else if (gi->custom_id == GADGET_ID_TEST)
13884         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13885       else if (gi->custom_id == GADGET_ID_UNDO)
13886         sprintf(shortcut, " ('%c/Shift-U')", key);
13887       else if (gi->custom_id == GADGET_ID_ZOOM)
13888         sprintf(shortcut, " ('%c', '0', '-')", key);
13889       else
13890         sprintf(shortcut, " ('%s%c')",
13891                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13892
13893       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13894         strcat(infotext, shortcut);
13895     }
13896   }
13897
13898   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13899 }
13900
13901 void HandleEditorGadgetInfoText(void *ptr)
13902 {
13903   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13904
13905   if (game_status != GAME_MODE_EDITOR)
13906     return;
13907
13908   ClearEditorGadgetInfoText();
13909
13910   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13911     return;
13912
13913   /* misuse this function to delete brush cursor, if needed */
13914   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13915     DeleteBrushFromCursor();
13916
13917   PrintEditorGadgetInfoText(gi);
13918 }
13919
13920 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13921 {
13922   static int start_lx, start_ly;
13923   int id = gi->custom_id;
13924   int type_id = gi->custom_type_id;
13925   int sx = gi->event.x;
13926   int sy = gi->event.y;
13927   int lx = sx + level_xpos;
13928   int ly = sy + level_ypos;
13929   int min_sx = 0, min_sy = 0;
13930   int max_sx = gi->drawing.area_xsize - 1;
13931   int max_sy = gi->drawing.area_ysize - 1;
13932   int actual_drawing_function = drawing_function;
13933   int max_infotext_len = getMaxInfoTextLength();
13934   char infotext[MAX_OUTPUT_LINESIZE + 1];
13935   char *text;
13936
13937   infotext[0] = '\0';           /* start with empty info text */
13938
13939   /* pressed Control key: simulate picking element */
13940   if (GetKeyModState() & KMOD_Control)
13941     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13942
13943   ClearEditorGadgetInfoText();
13944
13945   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13946     return;
13947
13948   /* make sure to stay inside drawing area boundaries */
13949   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13950   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13951
13952   if (id == GADGET_ID_DRAWING_LEVEL)
13953   {
13954     if (button_status)
13955     {
13956       int min_lx = 0, min_ly = 0;
13957       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13958
13959       /* get positions inside level field */
13960       lx = sx + level_xpos;
13961       ly = sy + level_ypos;
13962
13963       /* make sure to stay inside level field boundaries */
13964       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13965       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13966
13967       /* correct drawing area positions accordingly */
13968       sx = lx - level_xpos;
13969       sy = ly - level_ypos;
13970     }
13971
13972     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13973     {
13974       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13975       {
13976         if (gi->event.type == GD_EVENT_PRESSED)
13977         {
13978           start_lx = lx;
13979           start_ly = ly;
13980         }
13981
13982         switch (actual_drawing_function)
13983         {
13984           case GADGET_ID_SINGLE_ITEMS:
13985             text = "Drawing single items";
13986             break;
13987           case GADGET_ID_CONNECTED_ITEMS:
13988             text = "Drawing connected items";
13989             break;
13990           case GADGET_ID_LINE:
13991             text = "Drawing line";
13992             break;
13993           case GADGET_ID_ARC:
13994             text = "Drawing arc";
13995             break;
13996           case GADGET_ID_TEXT:
13997             text = "Setting text cursor";
13998             break;
13999           case GADGET_ID_RECTANGLE:
14000             text = "Drawing rectangle";
14001             break;
14002           case GADGET_ID_FILLED_BOX:
14003             text = "Drawing filled box";
14004             break;
14005           case GADGET_ID_FLOOD_FILL:
14006             text = "Flood fill";
14007             break;
14008           case GADGET_ID_GRAB_BRUSH:
14009             text = "Grabbing brush";
14010             break;
14011           case GADGET_ID_PICK_ELEMENT:
14012             text = "Picking element";
14013             break;
14014
14015           default:
14016             text = "Drawing position";
14017             break;
14018         }
14019
14020         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14021           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14022         else
14023           sprintf(infotext, "%s: %d, %d", text,
14024                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14025       }
14026       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14027         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14028       else
14029         sprintf(infotext, "Level position: %d, %d", lx, ly);
14030     }
14031
14032     /* misuse this function to draw brush cursor, if needed */
14033     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14034     {
14035       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14036         CopyBrushToCursor(sx, sy);
14037       else
14038         DeleteBrushFromCursor();
14039     }
14040   }
14041   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14042   {
14043     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14044     int element = drawingarea_info[type_id].value[pos];
14045
14046     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14047   }
14048   else
14049   {
14050     if (id == GADGET_ID_CUSTOM_CONTENT)
14051       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14052     else if (id == GADGET_ID_GROUP_CONTENT)
14053       sprintf(infotext, "group element position: %d", sx + 1);
14054     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14055              id <= GADGET_ID_YAMYAM_CONTENT_7)
14056       sprintf(infotext, "content area %d position: %d, %d",
14057               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14058     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14059              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14060       sprintf(infotext, "content area %d position: %d, %d",
14061               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14062     else if (id == GADGET_ID_ANDROID_CONTENT)
14063       sprintf(infotext, "android element position: %d", sx + 1);
14064     else if (drawingarea_info[type_id].infotext != NULL)
14065       strcpy(infotext, drawingarea_info[type_id].infotext);
14066   }
14067
14068   infotext[max_infotext_len] = '\0';
14069
14070   if (strlen(infotext) > 0)
14071     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14072 }
14073
14074 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14075                             boolean quick_quit)
14076 {
14077   if (!ask_if_level_has_changed ||
14078       !LevelChanged() ||
14079       Request("Level has changed! Exit without saving?",
14080               REQ_ASK | REQ_STAY_OPEN))
14081   {
14082     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14083     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14084
14085     /* draw normal door */
14086     UndrawSpecialEditorDoor();
14087
14088     // use door animation if door 1 viewport is unchanged and contains toolbox
14089     if (useEditorDoorAnimation())
14090       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14091
14092     // close editor doors if viewport definition is the same as in main menu
14093     if (vp_door_1->x      == DX     &&
14094         vp_door_1->y      == DY     &&
14095         vp_door_1->width  == DXSIZE &&
14096         vp_door_1->height == DYSIZE &&
14097         vp_door_2->x      == VX     &&
14098         vp_door_2->y      == VY     &&
14099         vp_door_2->width  == VXSIZE &&
14100         vp_door_2->height == VYSIZE)
14101       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14102     else
14103       SetDoorState(DOOR_CLOSE_2);
14104
14105     BackToFront();
14106
14107     if (quick_quit)
14108       FadeSkipNextFadeIn();
14109
14110     SetGameStatus(GAME_MODE_MAIN);
14111
14112     DrawMainMenu();
14113   }
14114   else
14115   {
14116     if (!global.use_envelope_request)
14117     {
14118       CloseDoor(DOOR_CLOSE_1);
14119       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14120     }
14121   }
14122 }