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_WALL_EMERALD,
3878   EL_WALL_DIAMOND,
3879   EL_DYNAMITE,
3880   EL_DYNAMITE_ACTIVE,
3881
3882   EL_YAMYAM,
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   EL_EM_EXIT_CLOSED,
3923   EL_EM_EXIT_OPEN,
3924   EL_EM_STEEL_EXIT_CLOSED,
3925   EL_EM_STEEL_EXIT_OPEN,
3926 };
3927 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3928 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3929 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3930 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3931
3932 static int editor_hl_emerald_mine_club[] =
3933 {
3934   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3935   EL_CHAR('E'),
3936   EL_CHAR('M'),
3937   EL_CHAR('C'),
3938 };
3939
3940 static int editor_el_emerald_mine_club[] =
3941 {
3942   EL_EMC_KEY_5,
3943   EL_EMC_KEY_6,
3944   EL_EMC_KEY_7,
3945   EL_EMC_KEY_8,
3946
3947   EL_EMC_GATE_5,
3948   EL_EMC_GATE_6,
3949   EL_EMC_GATE_7,
3950   EL_EMC_GATE_8,
3951
3952   EL_EMC_GATE_5_GRAY,
3953   EL_EMC_GATE_6_GRAY,
3954   EL_EMC_GATE_7_GRAY,
3955   EL_EMC_GATE_8_GRAY,
3956
3957   EL_EMC_STEELWALL_1,
3958   EL_EMC_STEELWALL_2,
3959   EL_EMC_STEELWALL_3,
3960   EL_EMC_STEELWALL_4,
3961
3962   EL_EMC_WALL_13,
3963   EL_EMC_WALL_14,
3964   EL_EMC_WALL_15,
3965   EL_EMC_WALL_16,
3966
3967   EL_EMC_WALL_SLIPPERY_1,
3968   EL_EMC_WALL_SLIPPERY_2,
3969   EL_EMC_WALL_SLIPPERY_3,
3970   EL_EMC_WALL_SLIPPERY_4,
3971
3972   EL_EMC_WALL_1,
3973   EL_EMC_WALL_2,
3974   EL_EMC_WALL_3,
3975   EL_EMC_WALL_4,
3976
3977   EL_EMC_WALL_5,
3978   EL_EMC_WALL_6,
3979   EL_EMC_WALL_7,
3980   EL_EMC_WALL_8,
3981
3982   EL_EMC_WALL_9,
3983   EL_EMC_WALL_10,
3984   EL_EMC_WALL_11,
3985   EL_EMC_WALL_12,
3986
3987   EL_EMC_GRASS,
3988   EL_EMC_FAKE_GRASS,
3989   EL_EMC_PLANT,
3990   EL_EMC_DRIPPER,
3991
3992   EL_EMC_MAGIC_BALL,
3993   EL_EMC_MAGIC_BALL_SWITCH,
3994   EL_SPRING,
3995   EL_EMC_SPRING_BUMPER,
3996
3997   EL_EMC_LENSES,
3998   EL_EMC_MAGNIFIER,
3999   EL_EM_DYNAMITE,
4000   EL_EM_DYNAMITE_ACTIVE,
4001
4002   EL_BALLOON,
4003   EL_YAMYAM_UP,
4004   EL_BALLOON_SWITCH_UP,
4005   EL_BALLOON_SWITCH_ANY,
4006
4007   EL_YAMYAM_LEFT,
4008   EL_BALLOON_SWITCH_LEFT,
4009   EL_YAMYAM_RIGHT,
4010   EL_BALLOON_SWITCH_RIGHT,
4011
4012   EL_EMC_ANDROID,
4013   EL_YAMYAM_DOWN,
4014   EL_BALLOON_SWITCH_DOWN,
4015   EL_BALLOON_SWITCH_NONE,
4016 };
4017 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4018 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4019 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
4020 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
4021
4022 static int editor_hl_rnd[] =
4023 {
4024   EL_INTERNAL_CASCADE_RND_ACTIVE,
4025   EL_CHAR('R'),
4026   EL_CHAR('N'),
4027   EL_CHAR('D'),
4028 };
4029
4030 static int editor_el_rnd[] =
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_EMPTY,
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_PEARL,
4223   EL_CRYSTAL,
4224   EL_WALL_PEARL,
4225   EL_WALL_CRYSTAL,
4226
4227   EL_CONVEYOR_BELT_1_LEFT,
4228   EL_CONVEYOR_BELT_1_MIDDLE,
4229   EL_CONVEYOR_BELT_1_RIGHT,
4230   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4231
4232   EL_CONVEYOR_BELT_2_LEFT,
4233   EL_CONVEYOR_BELT_2_MIDDLE,
4234   EL_CONVEYOR_BELT_2_RIGHT,
4235   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4236
4237   EL_CONVEYOR_BELT_3_LEFT,
4238   EL_CONVEYOR_BELT_3_MIDDLE,
4239   EL_CONVEYOR_BELT_3_RIGHT,
4240   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4241
4242   EL_CONVEYOR_BELT_4_LEFT,
4243   EL_CONVEYOR_BELT_4_MIDDLE,
4244   EL_CONVEYOR_BELT_4_RIGHT,
4245   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4246
4247   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4248   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4249   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4250   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4251
4252   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4253   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4254   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4255   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4256
4257   EL_TIMEGATE_CLOSED,
4258   EL_TIMEGATE_OPEN,
4259   EL_TIMEGATE_SWITCH,
4260   EL_DC_TIMEGATE_SWITCH,
4261
4262   EL_SWITCHGATE_CLOSED,
4263   EL_SWITCHGATE_OPEN,
4264   EL_SWITCHGATE_SWITCH_UP,
4265   EL_SWITCHGATE_SWITCH_DOWN,
4266
4267   EL_LIGHT_SWITCH,
4268   EL_LIGHT_SWITCH_ACTIVE,
4269   EL_DC_SWITCHGATE_SWITCH_UP,
4270   EL_DC_SWITCHGATE_SWITCH_DOWN,
4271
4272   EL_STEEL_EXIT_CLOSED,
4273   EL_STEEL_EXIT_OPEN,
4274   EL_STEELWALL_SLIPPERY,
4275   EL_INVISIBLE_SAND,
4276
4277   EL_QUICKSAND_FAST_EMPTY,
4278   EL_QUICKSAND_FAST_FULL,
4279   EL_LANDMINE,
4280   EL_DC_LANDMINE,
4281
4282   EL_SHIELD_NORMAL,
4283   EL_SHIELD_DEADLY,
4284   EL_EXTRA_TIME,
4285   EL_DC_MAGIC_WALL,
4286
4287   EL_ENVELOPE_1,
4288   EL_ENVELOPE_2,
4289   EL_ENVELOPE_3,
4290   EL_ENVELOPE_4,
4291
4292   EL_SIGN_RADIOACTIVITY,
4293   EL_SIGN_WHEELCHAIR,
4294   EL_SIGN_PARKING,
4295   EL_SIGN_NO_ENTRY,
4296
4297   EL_SIGN_GIVE_WAY,
4298   EL_SIGN_ENTRY_FORBIDDEN,
4299   EL_SIGN_EMERGENCY_EXIT,
4300   EL_SIGN_YIN_YANG,
4301
4302 #if 0
4303   EL_SIGN_SPERMS,
4304   EL_SIGN_BULLET,
4305   EL_SIGN_HEART,
4306   EL_SIGN_CROSS,
4307
4308   EL_SIGN_FRANKIE,
4309   EL_EMPTY,
4310   EL_EMPTY,
4311   EL_EMPTY,
4312
4313   EL_SPERMS,
4314   EL_BULLET,
4315   EL_HEART,
4316   EL_CROSS,
4317
4318   EL_FRANKIE,
4319   EL_EMPTY,
4320   EL_EMPTY,
4321   EL_EMPTY,
4322 #endif
4323
4324   EL_DC_STEELWALL_2_SINGLE,
4325   EL_DC_STEELWALL_2_TOP,
4326   EL_SIGN_EXCLAMATION,
4327   EL_SIGN_STOP,
4328
4329   EL_DC_STEELWALL_2_LEFT,
4330   EL_DC_STEELWALL_2_MIDDLE,
4331   EL_DC_STEELWALL_2_HORIZONTAL,
4332   EL_DC_STEELWALL_2_RIGHT,
4333
4334   EL_DC_STEELWALL_1_TOPLEFT,
4335   EL_DC_STEELWALL_2_VERTICAL,
4336   EL_DC_STEELWALL_1_TOPRIGHT,
4337   EL_DC_GATE_WHITE,
4338
4339   EL_DC_STEELWALL_1_VERTICAL,
4340   EL_DC_STEELWALL_2_BOTTOM,
4341   EL_DC_KEY_WHITE,
4342   EL_DC_GATE_WHITE_GRAY,
4343
4344   EL_DC_STEELWALL_1_BOTTOMLEFT,
4345   EL_DC_STEELWALL_1_HORIZONTAL,
4346   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4347   EL_DC_GATE_FAKE_GRAY,
4348
4349   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4350   EL_DC_STEELWALL_1_BOTTOM,
4351   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4352   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4353
4354   EL_DC_STEELWALL_1_RIGHT,
4355   EL_EMPTY,
4356   EL_DC_STEELWALL_1_LEFT,
4357   EL_EXPANDABLE_STEELWALL_VERTICAL,
4358
4359   EL_DC_STEELWALL_1_TOPRIGHT_2,
4360   EL_DC_STEELWALL_1_TOP,
4361   EL_DC_STEELWALL_1_TOPLEFT_2,
4362   EL_EXPANDABLE_STEELWALL_ANY,
4363 };
4364 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4365 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4366 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4367 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4368
4369 static int editor_hl_dx_boulderdash[] =
4370 {
4371   EL_INTERNAL_CASCADE_DX_ACTIVE,
4372   EL_CHAR('D'),
4373   EL_CHAR('X'),
4374   EL_EMPTY,
4375 };
4376
4377 static int editor_el_dx_boulderdash[] =
4378 {
4379   EL_EMPTY,
4380   EL_TUBE_RIGHT_DOWN,
4381   EL_TUBE_HORIZONTAL_DOWN,
4382   EL_TUBE_LEFT_DOWN,
4383
4384   EL_TUBE_HORIZONTAL,
4385   EL_TUBE_VERTICAL_RIGHT,
4386   EL_TUBE_ANY,
4387   EL_TUBE_VERTICAL_LEFT,
4388
4389   EL_TUBE_VERTICAL,
4390   EL_TUBE_RIGHT_UP,
4391   EL_TUBE_HORIZONTAL_UP,
4392   EL_TUBE_LEFT_UP,
4393
4394   EL_TRAP,
4395   EL_DX_SUPABOMB,
4396   EL_EMPTY,
4397   EL_EMPTY
4398 };
4399 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4400 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4401 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4402 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4403
4404 static int editor_hl_mirror_magic[] =
4405 {
4406   EL_INTERNAL_CASCADE_MM_ACTIVE,
4407   EL_CHAR('M'),
4408   EL_CHAR('M'),
4409   EL_EMPTY,
4410 };
4411
4412 static int editor_el_mirror_magic[] =
4413 {
4414   EL_MM_MCDUFFIN_RIGHT,
4415   EL_MM_MCDUFFIN_UP,
4416   EL_MM_MCDUFFIN_LEFT,
4417   EL_MM_MCDUFFIN_DOWN,
4418
4419   EL_MM_MIRROR_START,
4420   EL_MM_MIRROR_FIXED_START,
4421   EL_MM_POLARISATOR_START,
4422   EL_MM_POLARISATOR_CROSS_START,
4423
4424   EL_MM_BEAMER_RED_START,
4425   EL_MM_BEAMER_YELLOW_START,
4426   EL_MM_BEAMER_GREEN_START,
4427   EL_MM_BEAMER_BLUE_START,
4428
4429   EL_MM_PRISM,
4430   EL_MM_FUSE_ACTIVE,
4431   EL_MM_PACMAN_RIGHT,
4432   EL_MM_EXIT_CLOSED,
4433
4434   EL_MM_KETTLE,
4435   EL_MM_BOMB,
4436   EL_MM_KEY,
4437   EL_MM_FUEL_FULL,
4438
4439   EL_MM_LIGHTBULB,
4440   EL_MM_LIGHTBULB_ACTIVE,
4441   EL_MM_GRAY_BALL,
4442   EL_MM_LIGHTBALL,
4443
4444   EL_MM_STEEL_WALL,
4445   EL_MM_WOODEN_WALL,
4446   EL_MM_ICE_WALL,
4447   EL_MM_AMOEBA_WALL,
4448
4449   EL_MM_STEEL_LOCK,
4450   EL_MM_WOODEN_LOCK,
4451   EL_MM_STEEL_BLOCK,
4452   EL_MM_WOODEN_BLOCK,
4453
4454   EL_MM_STEEL_GRID_FIXED_1,
4455   EL_MM_STEEL_GRID_FIXED_2,
4456   EL_MM_STEEL_GRID_FIXED_3,
4457   EL_MM_STEEL_GRID_FIXED_4,
4458
4459   EL_MM_WOODEN_GRID_FIXED_1,
4460   EL_MM_WOODEN_GRID_FIXED_2,
4461   EL_MM_WOODEN_GRID_FIXED_3,
4462   EL_MM_WOODEN_GRID_FIXED_4
4463 };
4464 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4465 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4466 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4467 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4468
4469 static int editor_hl_deflektor[] =
4470 {
4471   EL_INTERNAL_CASCADE_DF_ACTIVE,
4472   EL_CHAR('D'),
4473   EL_CHAR('F'),
4474   EL_EMPTY,
4475 };
4476
4477 static int editor_el_deflektor[] =
4478 {
4479   EL_DF_LASER_RIGHT,
4480   EL_DF_LASER_UP,
4481   EL_DF_LASER_LEFT,
4482   EL_DF_LASER_DOWN,
4483
4484   EL_DF_RECEIVER_RIGHT,
4485   EL_DF_RECEIVER_UP,
4486   EL_DF_RECEIVER_LEFT,
4487   EL_DF_RECEIVER_DOWN,
4488
4489   EL_DF_MIRROR_START,
4490   EL_DF_MIRROR_ROTATING_START,
4491   EL_DF_CELL,
4492   EL_DF_MINE,
4493
4494   EL_DF_FIBRE_OPTIC_RED_1,
4495   EL_DF_FIBRE_OPTIC_YELLOW_1,
4496   EL_DF_FIBRE_OPTIC_GREEN_1,
4497   EL_DF_FIBRE_OPTIC_BLUE_1,
4498
4499   EL_DF_STEEL_GRID_FIXED_START,
4500   EL_DF_STEEL_GRID_ROTATING_START,
4501   EL_DF_WOODEN_GRID_FIXED_START,
4502   EL_DF_WOODEN_GRID_ROTATING_START,
4503
4504   EL_DF_STEEL_WALL,
4505   EL_DF_WOODEN_WALL,
4506   EL_DF_REFRACTOR,
4507   EL_EMPTY
4508 };
4509 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4510 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4511 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4512 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4513
4514 static int editor_hl_chars[] =
4515 {
4516   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4517   EL_CHAR('T'),
4518   EL_CHAR('X'),
4519   EL_CHAR('T'),
4520 };
4521
4522 static int editor_el_chars[] =
4523 {
4524   EL_CHAR(' '),
4525   EL_CHAR('!'),
4526   EL_CHAR('"'),
4527   EL_CHAR('#'),
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('0'),
4545   EL_CHAR('1'),
4546   EL_CHAR('2'),
4547   EL_CHAR('3'),
4548
4549   EL_CHAR('4'),
4550   EL_CHAR('5'),
4551   EL_CHAR('6'),
4552   EL_CHAR('7'),
4553
4554   EL_CHAR('8'),
4555   EL_CHAR('9'),
4556   EL_CHAR(':'),
4557   EL_CHAR(';'),
4558
4559   EL_CHAR('<'),
4560   EL_CHAR('='),
4561   EL_CHAR('>'),
4562   EL_CHAR('?'),
4563
4564   EL_CHAR('@'),
4565   EL_CHAR('A'),
4566   EL_CHAR('B'),
4567   EL_CHAR('C'),
4568
4569   EL_CHAR('D'),
4570   EL_CHAR('E'),
4571   EL_CHAR('F'),
4572   EL_CHAR('G'),
4573
4574   EL_CHAR('H'),
4575   EL_CHAR('I'),
4576   EL_CHAR('J'),
4577   EL_CHAR('K'),
4578
4579   EL_CHAR('L'),
4580   EL_CHAR('M'),
4581   EL_CHAR('N'),
4582   EL_CHAR('O'),
4583
4584   EL_CHAR('P'),
4585   EL_CHAR('Q'),
4586   EL_CHAR('R'),
4587   EL_CHAR('S'),
4588
4589   EL_CHAR('T'),
4590   EL_CHAR('U'),
4591   EL_CHAR('V'),
4592   EL_CHAR('W'),
4593
4594   EL_CHAR('X'),
4595   EL_CHAR('Y'),
4596   EL_CHAR('Z'),
4597   EL_CHAR('['),
4598
4599   EL_CHAR('\\'),
4600   EL_CHAR(']'),
4601   EL_CHAR('^'),
4602   EL_CHAR('_'),
4603
4604   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4605   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4606   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4607   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4608
4609   EL_CHAR(CHAR_BYTE_DEGREE),
4610   EL_CHAR(CHAR_BYTE_REGISTERED),
4611   EL_CHAR(FONT_ASCII_CURSOR),
4612   EL_CHAR(FONT_ASCII_BUTTON),
4613
4614   EL_CHAR(FONT_ASCII_UP),
4615   EL_CHAR(FONT_ASCII_DOWN),
4616   EL_CHAR(' '),
4617   EL_CHAR(' ')
4618 };
4619 static int *editor_hl_chars_ptr = editor_hl_chars;
4620 static int *editor_el_chars_ptr = editor_el_chars;
4621 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4622 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4623
4624 static int editor_hl_steel_chars[] =
4625 {
4626   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4627   EL_STEEL_CHAR('T'),
4628   EL_STEEL_CHAR('X'),
4629   EL_STEEL_CHAR('T'),
4630 };
4631
4632 static int editor_el_steel_chars[] =
4633 {
4634   EL_STEEL_CHAR(' '),
4635   EL_STEEL_CHAR('!'),
4636   EL_STEEL_CHAR('"'),
4637   EL_STEEL_CHAR('#'),
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('0'),
4655   EL_STEEL_CHAR('1'),
4656   EL_STEEL_CHAR('2'),
4657   EL_STEEL_CHAR('3'),
4658
4659   EL_STEEL_CHAR('4'),
4660   EL_STEEL_CHAR('5'),
4661   EL_STEEL_CHAR('6'),
4662   EL_STEEL_CHAR('7'),
4663
4664   EL_STEEL_CHAR('8'),
4665   EL_STEEL_CHAR('9'),
4666   EL_STEEL_CHAR(':'),
4667   EL_STEEL_CHAR(';'),
4668
4669   EL_STEEL_CHAR('<'),
4670   EL_STEEL_CHAR('='),
4671   EL_STEEL_CHAR('>'),
4672   EL_STEEL_CHAR('?'),
4673
4674   EL_STEEL_CHAR('@'),
4675   EL_STEEL_CHAR('A'),
4676   EL_STEEL_CHAR('B'),
4677   EL_STEEL_CHAR('C'),
4678
4679   EL_STEEL_CHAR('D'),
4680   EL_STEEL_CHAR('E'),
4681   EL_STEEL_CHAR('F'),
4682   EL_STEEL_CHAR('G'),
4683
4684   EL_STEEL_CHAR('H'),
4685   EL_STEEL_CHAR('I'),
4686   EL_STEEL_CHAR('J'),
4687   EL_STEEL_CHAR('K'),
4688
4689   EL_STEEL_CHAR('L'),
4690   EL_STEEL_CHAR('M'),
4691   EL_STEEL_CHAR('N'),
4692   EL_STEEL_CHAR('O'),
4693
4694   EL_STEEL_CHAR('P'),
4695   EL_STEEL_CHAR('Q'),
4696   EL_STEEL_CHAR('R'),
4697   EL_STEEL_CHAR('S'),
4698
4699   EL_STEEL_CHAR('T'),
4700   EL_STEEL_CHAR('U'),
4701   EL_STEEL_CHAR('V'),
4702   EL_STEEL_CHAR('W'),
4703
4704   EL_STEEL_CHAR('X'),
4705   EL_STEEL_CHAR('Y'),
4706   EL_STEEL_CHAR('Z'),
4707   EL_STEEL_CHAR('['),
4708
4709   EL_STEEL_CHAR('\\'),
4710   EL_STEEL_CHAR(']'),
4711   EL_STEEL_CHAR('^'),
4712   EL_STEEL_CHAR('_'),
4713
4714   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4715   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4716   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4717   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4718
4719   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4720   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4721   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4722   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4723
4724   EL_STEEL_CHAR(FONT_ASCII_UP),
4725   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4726   EL_STEEL_CHAR(' '),
4727   EL_STEEL_CHAR(' ')
4728 };
4729 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4730 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4731 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4732 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4733
4734 static int editor_hl_custom[] =
4735 {
4736   EL_INTERNAL_CASCADE_CE_ACTIVE,
4737   EL_CHAR('C'),
4738   EL_CHAR('E'),
4739   EL_EMPTY,
4740 };
4741
4742 static int editor_el_custom[] =
4743 {
4744   EL_CUSTOM_START + 0,
4745   EL_CUSTOM_START + 1,
4746   EL_CUSTOM_START + 2,
4747   EL_CUSTOM_START + 3,
4748
4749   EL_CUSTOM_START + 4,
4750   EL_CUSTOM_START + 5,
4751   EL_CUSTOM_START + 6,
4752   EL_CUSTOM_START + 7,
4753
4754   EL_CUSTOM_START + 8,
4755   EL_CUSTOM_START + 9,
4756   EL_CUSTOM_START + 10,
4757   EL_CUSTOM_START + 11,
4758
4759   EL_CUSTOM_START + 12,
4760   EL_CUSTOM_START + 13,
4761   EL_CUSTOM_START + 14,
4762   EL_CUSTOM_START + 15,
4763
4764   EL_CUSTOM_START + 16,
4765   EL_CUSTOM_START + 17,
4766   EL_CUSTOM_START + 18,
4767   EL_CUSTOM_START + 19,
4768
4769   EL_CUSTOM_START + 20,
4770   EL_CUSTOM_START + 21,
4771   EL_CUSTOM_START + 22,
4772   EL_CUSTOM_START + 23,
4773
4774   EL_CUSTOM_START + 24,
4775   EL_CUSTOM_START + 25,
4776   EL_CUSTOM_START + 26,
4777   EL_CUSTOM_START + 27,
4778
4779   EL_CUSTOM_START + 28,
4780   EL_CUSTOM_START + 29,
4781   EL_CUSTOM_START + 30,
4782   EL_CUSTOM_START + 31,
4783
4784   EL_CUSTOM_START + 32,
4785   EL_CUSTOM_START + 33,
4786   EL_CUSTOM_START + 34,
4787   EL_CUSTOM_START + 35,
4788
4789   EL_CUSTOM_START + 36,
4790   EL_CUSTOM_START + 37,
4791   EL_CUSTOM_START + 38,
4792   EL_CUSTOM_START + 39,
4793
4794   EL_CUSTOM_START + 40,
4795   EL_CUSTOM_START + 41,
4796   EL_CUSTOM_START + 42,
4797   EL_CUSTOM_START + 43,
4798
4799   EL_CUSTOM_START + 44,
4800   EL_CUSTOM_START + 45,
4801   EL_CUSTOM_START + 46,
4802   EL_CUSTOM_START + 47,
4803
4804   EL_CUSTOM_START + 48,
4805   EL_CUSTOM_START + 49,
4806   EL_CUSTOM_START + 50,
4807   EL_CUSTOM_START + 51,
4808
4809   EL_CUSTOM_START + 52,
4810   EL_CUSTOM_START + 53,
4811   EL_CUSTOM_START + 54,
4812   EL_CUSTOM_START + 55,
4813
4814   EL_CUSTOM_START + 56,
4815   EL_CUSTOM_START + 57,
4816   EL_CUSTOM_START + 58,
4817   EL_CUSTOM_START + 59,
4818
4819   EL_CUSTOM_START + 60,
4820   EL_CUSTOM_START + 61,
4821   EL_CUSTOM_START + 62,
4822   EL_CUSTOM_START + 63,
4823
4824   EL_CUSTOM_START + 64,
4825   EL_CUSTOM_START + 65,
4826   EL_CUSTOM_START + 66,
4827   EL_CUSTOM_START + 67,
4828
4829   EL_CUSTOM_START + 68,
4830   EL_CUSTOM_START + 69,
4831   EL_CUSTOM_START + 70,
4832   EL_CUSTOM_START + 71,
4833
4834   EL_CUSTOM_START + 72,
4835   EL_CUSTOM_START + 73,
4836   EL_CUSTOM_START + 74,
4837   EL_CUSTOM_START + 75,
4838
4839   EL_CUSTOM_START + 76,
4840   EL_CUSTOM_START + 77,
4841   EL_CUSTOM_START + 78,
4842   EL_CUSTOM_START + 79,
4843
4844   EL_CUSTOM_START + 80,
4845   EL_CUSTOM_START + 81,
4846   EL_CUSTOM_START + 82,
4847   EL_CUSTOM_START + 83,
4848
4849   EL_CUSTOM_START + 84,
4850   EL_CUSTOM_START + 85,
4851   EL_CUSTOM_START + 86,
4852   EL_CUSTOM_START + 87,
4853
4854   EL_CUSTOM_START + 88,
4855   EL_CUSTOM_START + 89,
4856   EL_CUSTOM_START + 90,
4857   EL_CUSTOM_START + 91,
4858
4859   EL_CUSTOM_START + 92,
4860   EL_CUSTOM_START + 93,
4861   EL_CUSTOM_START + 94,
4862   EL_CUSTOM_START + 95,
4863
4864   EL_CUSTOM_START + 96,
4865   EL_CUSTOM_START + 97,
4866   EL_CUSTOM_START + 98,
4867   EL_CUSTOM_START + 99,
4868
4869   EL_CUSTOM_START + 100,
4870   EL_CUSTOM_START + 101,
4871   EL_CUSTOM_START + 102,
4872   EL_CUSTOM_START + 103,
4873
4874   EL_CUSTOM_START + 104,
4875   EL_CUSTOM_START + 105,
4876   EL_CUSTOM_START + 106,
4877   EL_CUSTOM_START + 107,
4878
4879   EL_CUSTOM_START + 108,
4880   EL_CUSTOM_START + 109,
4881   EL_CUSTOM_START + 110,
4882   EL_CUSTOM_START + 111,
4883
4884   EL_CUSTOM_START + 112,
4885   EL_CUSTOM_START + 113,
4886   EL_CUSTOM_START + 114,
4887   EL_CUSTOM_START + 115,
4888
4889   EL_CUSTOM_START + 116,
4890   EL_CUSTOM_START + 117,
4891   EL_CUSTOM_START + 118,
4892   EL_CUSTOM_START + 119,
4893
4894   EL_CUSTOM_START + 120,
4895   EL_CUSTOM_START + 121,
4896   EL_CUSTOM_START + 122,
4897   EL_CUSTOM_START + 123,
4898
4899   EL_CUSTOM_START + 124,
4900   EL_CUSTOM_START + 125,
4901   EL_CUSTOM_START + 126,
4902   EL_CUSTOM_START + 127,
4903
4904   EL_CUSTOM_START + 128,
4905   EL_CUSTOM_START + 129,
4906   EL_CUSTOM_START + 130,
4907   EL_CUSTOM_START + 131,
4908
4909   EL_CUSTOM_START + 132,
4910   EL_CUSTOM_START + 133,
4911   EL_CUSTOM_START + 134,
4912   EL_CUSTOM_START + 135,
4913
4914   EL_CUSTOM_START + 136,
4915   EL_CUSTOM_START + 137,
4916   EL_CUSTOM_START + 138,
4917   EL_CUSTOM_START + 139,
4918
4919   EL_CUSTOM_START + 140,
4920   EL_CUSTOM_START + 141,
4921   EL_CUSTOM_START + 142,
4922   EL_CUSTOM_START + 143,
4923
4924   EL_CUSTOM_START + 144,
4925   EL_CUSTOM_START + 145,
4926   EL_CUSTOM_START + 146,
4927   EL_CUSTOM_START + 147,
4928
4929   EL_CUSTOM_START + 148,
4930   EL_CUSTOM_START + 149,
4931   EL_CUSTOM_START + 150,
4932   EL_CUSTOM_START + 151,
4933
4934   EL_CUSTOM_START + 152,
4935   EL_CUSTOM_START + 153,
4936   EL_CUSTOM_START + 154,
4937   EL_CUSTOM_START + 155,
4938
4939   EL_CUSTOM_START + 156,
4940   EL_CUSTOM_START + 157,
4941   EL_CUSTOM_START + 158,
4942   EL_CUSTOM_START + 159,
4943
4944   EL_CUSTOM_START + 160,
4945   EL_CUSTOM_START + 161,
4946   EL_CUSTOM_START + 162,
4947   EL_CUSTOM_START + 163,
4948
4949   EL_CUSTOM_START + 164,
4950   EL_CUSTOM_START + 165,
4951   EL_CUSTOM_START + 166,
4952   EL_CUSTOM_START + 167,
4953
4954   EL_CUSTOM_START + 168,
4955   EL_CUSTOM_START + 169,
4956   EL_CUSTOM_START + 170,
4957   EL_CUSTOM_START + 171,
4958
4959   EL_CUSTOM_START + 172,
4960   EL_CUSTOM_START + 173,
4961   EL_CUSTOM_START + 174,
4962   EL_CUSTOM_START + 175,
4963
4964   EL_CUSTOM_START + 176,
4965   EL_CUSTOM_START + 177,
4966   EL_CUSTOM_START + 178,
4967   EL_CUSTOM_START + 179,
4968
4969   EL_CUSTOM_START + 180,
4970   EL_CUSTOM_START + 181,
4971   EL_CUSTOM_START + 182,
4972   EL_CUSTOM_START + 183,
4973
4974   EL_CUSTOM_START + 184,
4975   EL_CUSTOM_START + 185,
4976   EL_CUSTOM_START + 186,
4977   EL_CUSTOM_START + 187,
4978
4979   EL_CUSTOM_START + 188,
4980   EL_CUSTOM_START + 189,
4981   EL_CUSTOM_START + 190,
4982   EL_CUSTOM_START + 191,
4983
4984   EL_CUSTOM_START + 192,
4985   EL_CUSTOM_START + 193,
4986   EL_CUSTOM_START + 194,
4987   EL_CUSTOM_START + 195,
4988
4989   EL_CUSTOM_START + 196,
4990   EL_CUSTOM_START + 197,
4991   EL_CUSTOM_START + 198,
4992   EL_CUSTOM_START + 199,
4993
4994   EL_CUSTOM_START + 200,
4995   EL_CUSTOM_START + 201,
4996   EL_CUSTOM_START + 202,
4997   EL_CUSTOM_START + 203,
4998
4999   EL_CUSTOM_START + 204,
5000   EL_CUSTOM_START + 205,
5001   EL_CUSTOM_START + 206,
5002   EL_CUSTOM_START + 207,
5003
5004   EL_CUSTOM_START + 208,
5005   EL_CUSTOM_START + 209,
5006   EL_CUSTOM_START + 210,
5007   EL_CUSTOM_START + 211,
5008
5009   EL_CUSTOM_START + 212,
5010   EL_CUSTOM_START + 213,
5011   EL_CUSTOM_START + 214,
5012   EL_CUSTOM_START + 215,
5013
5014   EL_CUSTOM_START + 216,
5015   EL_CUSTOM_START + 217,
5016   EL_CUSTOM_START + 218,
5017   EL_CUSTOM_START + 219,
5018
5019   EL_CUSTOM_START + 220,
5020   EL_CUSTOM_START + 221,
5021   EL_CUSTOM_START + 222,
5022   EL_CUSTOM_START + 223,
5023
5024   EL_CUSTOM_START + 224,
5025   EL_CUSTOM_START + 225,
5026   EL_CUSTOM_START + 226,
5027   EL_CUSTOM_START + 227,
5028
5029   EL_CUSTOM_START + 228,
5030   EL_CUSTOM_START + 229,
5031   EL_CUSTOM_START + 230,
5032   EL_CUSTOM_START + 231,
5033
5034   EL_CUSTOM_START + 232,
5035   EL_CUSTOM_START + 233,
5036   EL_CUSTOM_START + 234,
5037   EL_CUSTOM_START + 235,
5038
5039   EL_CUSTOM_START + 236,
5040   EL_CUSTOM_START + 237,
5041   EL_CUSTOM_START + 238,
5042   EL_CUSTOM_START + 239,
5043
5044   EL_CUSTOM_START + 240,
5045   EL_CUSTOM_START + 241,
5046   EL_CUSTOM_START + 242,
5047   EL_CUSTOM_START + 243,
5048
5049   EL_CUSTOM_START + 244,
5050   EL_CUSTOM_START + 245,
5051   EL_CUSTOM_START + 246,
5052   EL_CUSTOM_START + 247,
5053
5054   EL_CUSTOM_START + 248,
5055   EL_CUSTOM_START + 249,
5056   EL_CUSTOM_START + 250,
5057   EL_CUSTOM_START + 251,
5058
5059   EL_CUSTOM_START + 252,
5060   EL_CUSTOM_START + 253,
5061   EL_CUSTOM_START + 254,
5062   EL_CUSTOM_START + 255
5063 };
5064 static int *editor_hl_custom_ptr = editor_hl_custom;
5065 static int *editor_el_custom_ptr = editor_el_custom;
5066 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5067 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5068
5069 static int editor_hl_group[] =
5070 {
5071   EL_INTERNAL_CASCADE_GE_ACTIVE,
5072   EL_CHAR('G'),
5073   EL_CHAR('E'),
5074   EL_EMPTY,
5075 };
5076
5077 static int editor_el_group[] =
5078 {
5079   EL_GROUP_START + 0,
5080   EL_GROUP_START + 1,
5081   EL_GROUP_START + 2,
5082   EL_GROUP_START + 3,
5083
5084   EL_GROUP_START + 4,
5085   EL_GROUP_START + 5,
5086   EL_GROUP_START + 6,
5087   EL_GROUP_START + 7,
5088
5089   EL_GROUP_START + 8,
5090   EL_GROUP_START + 9,
5091   EL_GROUP_START + 10,
5092   EL_GROUP_START + 11,
5093
5094   EL_GROUP_START + 12,
5095   EL_GROUP_START + 13,
5096   EL_GROUP_START + 14,
5097   EL_GROUP_START + 15,
5098
5099   EL_GROUP_START + 16,
5100   EL_GROUP_START + 17,
5101   EL_GROUP_START + 18,
5102   EL_GROUP_START + 19,
5103
5104   EL_GROUP_START + 20,
5105   EL_GROUP_START + 21,
5106   EL_GROUP_START + 22,
5107   EL_GROUP_START + 23,
5108
5109   EL_GROUP_START + 24,
5110   EL_GROUP_START + 25,
5111   EL_GROUP_START + 26,
5112   EL_GROUP_START + 27,
5113
5114   EL_GROUP_START + 28,
5115   EL_GROUP_START + 29,
5116   EL_GROUP_START + 30,
5117   EL_GROUP_START + 31
5118 };
5119 static int *editor_hl_group_ptr = editor_hl_group;
5120 static int *editor_el_group_ptr = editor_el_group;
5121 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5122 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5123
5124 static int editor_hl_reference[] =
5125 {
5126   EL_INTERNAL_CASCADE_REF_ACTIVE,
5127   EL_CHAR('R'),
5128   EL_CHAR('E'),
5129   EL_CHAR('F')
5130 };
5131
5132 static int editor_el_reference[] =
5133 {
5134   EL_TRIGGER_PLAYER,
5135   EL_TRIGGER_ELEMENT,
5136   EL_TRIGGER_CE_VALUE,
5137   EL_TRIGGER_CE_SCORE,
5138
5139   EL_SELF,
5140   EL_ANY_ELEMENT,
5141   EL_CURRENT_CE_VALUE,
5142   EL_CURRENT_CE_SCORE,
5143
5144   EL_PREV_CE_8,
5145   EL_PREV_CE_7,
5146   EL_PREV_CE_6,
5147   EL_PREV_CE_5,
5148
5149   EL_PREV_CE_4,
5150   EL_PREV_CE_3,
5151   EL_PREV_CE_2,
5152   EL_PREV_CE_1,
5153
5154   EL_NEXT_CE_1,
5155   EL_NEXT_CE_2,
5156   EL_NEXT_CE_3,
5157   EL_NEXT_CE_4,
5158
5159   EL_NEXT_CE_5,
5160   EL_NEXT_CE_6,
5161   EL_NEXT_CE_7,
5162   EL_NEXT_CE_8,
5163 };
5164 static int *editor_hl_reference_ptr = editor_hl_reference;
5165 static int *editor_el_reference_ptr = editor_el_reference;
5166 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5167 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5168
5169 static int editor_hl_user_defined[] =
5170 {
5171   EL_INTERNAL_CASCADE_USER_ACTIVE,
5172   EL_CHAR('M'),
5173   EL_CHAR('Y'),
5174   EL_EMPTY,
5175 };
5176
5177 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5178 static int *editor_el_user_defined_ptr = NULL;
5179 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5180 static int num_editor_el_user_defined = 0;
5181
5182 static int editor_hl_dynamic[] =
5183 {
5184   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5185   EL_CHAR('U'),
5186   EL_CHAR('S'),
5187   EL_CHAR('E'),
5188 };
5189
5190 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5191 static int *editor_el_dynamic_ptr = NULL;
5192 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5193 static int num_editor_el_dynamic = 0;
5194
5195 static int editor_hl_empty[] = { EL_EMPTY };
5196 static int *editor_el_empty = NULL;     /* dynamically allocated */
5197
5198 static int *editor_hl_empty_ptr = editor_hl_empty;
5199 static int *editor_el_empty_ptr = NULL;
5200 static int num_editor_hl_empty = 0;
5201 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5202
5203 static boolean use_el_empty = FALSE;
5204
5205 static int *editor_elements = NULL;     /* dynamically allocated */
5206 static int num_editor_elements = 0;     /* dynamically determined */
5207
5208 static boolean setup_editor_cascade_never = FALSE;
5209
5210 static boolean setup_editor_el_players                  = TRUE;
5211 static boolean setup_editor_el_boulderdash              = TRUE;
5212 static boolean setup_editor_el_emerald_mine             = TRUE;
5213 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5214 static boolean setup_editor_el_more                     = TRUE;
5215 static boolean setup_editor_el_sokoban                  = TRUE;
5216 static boolean setup_editor_el_supaplex                 = TRUE;
5217 static boolean setup_editor_el_diamond_caves            = TRUE;
5218 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5219 static boolean setup_editor_el_mirror_magic             = TRUE;
5220 static boolean setup_editor_el_deflektor                = TRUE;
5221 static boolean setup_editor_el_chars                    = TRUE;
5222 static boolean setup_editor_el_steel_chars              = TRUE;
5223 static boolean setup_editor_el_custom                   = TRUE;
5224 static boolean setup_editor_el_user_defined             = TRUE;
5225 static boolean setup_editor_el_dynamic                  = TRUE;
5226
5227 static int editor_hl_unused[] = { EL_EMPTY };
5228 static int *editor_hl_unused_ptr = editor_hl_unused;
5229 static int num_editor_hl_unused = 0;
5230
5231 static struct
5232 {
5233   boolean *setup_value;
5234   boolean *setup_cascade_value;
5235
5236   int **headline_list;
5237   int *headline_list_size;
5238
5239   int **element_list;
5240   int *element_list_size;
5241
5242   boolean last_setup_value;
5243 }
5244 editor_elements_info[] =
5245 {
5246   {
5247     &setup_editor_el_players,
5248     &setup_editor_cascade_never,
5249     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5250     &editor_el_players_ptr,             &num_editor_el_players
5251   },
5252   {
5253     &setup_editor_el_boulderdash,
5254     &setup.editor_cascade.el_bd,
5255     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5256     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5257   },
5258   {
5259     &setup_editor_el_emerald_mine,
5260     &setup.editor_cascade.el_em,
5261     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5262     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5263   },
5264   {
5265     &setup_editor_el_emerald_mine_club,
5266     &setup.editor_cascade.el_emc,
5267     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5268     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5269   },
5270   {
5271     &setup_editor_el_more,
5272     &setup.editor_cascade.el_rnd,
5273     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5274     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5275   },
5276   {
5277     &setup_editor_el_sokoban,
5278     &setup.editor_cascade.el_sb,
5279     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5280     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5281   },
5282   {
5283     &setup_editor_el_supaplex,
5284     &setup.editor_cascade.el_sp,
5285     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5286     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5287   },
5288   {
5289     &setup_editor_el_diamond_caves,
5290     &setup.editor_cascade.el_dc,
5291     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5292     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5293   },
5294   {
5295     &setup_editor_el_dx_boulderdash,
5296     &setup.editor_cascade.el_dx,
5297     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5298     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5299   },
5300   {
5301     &setup_editor_el_mirror_magic,
5302     &setup.editor_cascade.el_mm,
5303     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5304     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5305   },
5306   {
5307     &setup_editor_el_deflektor,
5308     &setup.editor_cascade.el_df,
5309     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5310     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5311   },
5312   {
5313     &setup_editor_el_chars,
5314     &setup.editor_cascade.el_chars,
5315     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5316     &editor_el_chars_ptr,               &num_editor_el_chars
5317   },
5318   {
5319     &setup_editor_el_steel_chars,
5320     &setup.editor_cascade.el_steel_chars,
5321     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5322     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5323   },
5324   {
5325     &setup_editor_el_custom,
5326     &setup.editor_cascade.el_ce,
5327     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5328     &editor_el_custom_ptr,              &num_editor_el_custom
5329   },
5330   {
5331     &setup_editor_el_custom,
5332     &setup.editor_cascade.el_ge,
5333     &editor_hl_group_ptr,               &num_editor_hl_group,
5334     &editor_el_group_ptr,               &num_editor_el_group
5335   },
5336   {
5337     &setup_editor_el_custom,
5338     &setup.editor_cascade.el_ref,
5339     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5340     &editor_el_reference_ptr,           &num_editor_el_reference
5341   },
5342   {
5343     &setup_editor_el_user_defined,
5344     &setup.editor_cascade.el_user,
5345     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5346     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5347   },
5348   {
5349     &setup_editor_el_dynamic,
5350     &setup.editor_cascade.el_dynamic,
5351     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5352     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5353   },
5354   {
5355     &use_el_empty,
5356     &use_el_empty,
5357     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5358     &editor_el_empty_ptr,               &num_editor_el_empty,
5359   },
5360   {
5361     NULL,
5362     NULL,
5363     NULL,                               NULL,
5364     NULL,                               NULL
5365   }
5366 };
5367
5368
5369 /*
5370   -----------------------------------------------------------------------------
5371   functions
5372   -----------------------------------------------------------------------------
5373 */
5374
5375 static int getMaxInfoTextLength()
5376 {
5377   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5378 }
5379
5380 static int getTextWidthForGadget(char *text)
5381 {
5382   if (text == NULL)
5383     return 0;
5384
5385   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5386 }
5387
5388 static int getTextWidthForDrawingArea(char *text)
5389 {
5390   if (text == NULL)
5391     return 0;
5392
5393   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5394 }
5395
5396 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5397 {
5398   return (gi->x + gi->width + getTextWidthForGadget(text));
5399 }
5400
5401 static char *getElementInfoText(int element)
5402 {
5403   char *info_text = NULL;
5404
5405   if (element < MAX_NUM_ELEMENTS)
5406   {
5407     if (strlen(element_info[element].description) > 0)
5408       info_text = element_info[element].description;
5409     else if (element_info[element].custom_description != NULL)
5410       info_text = element_info[element].custom_description;
5411     else if (element_info[element].editor_description != NULL)
5412       info_text = element_info[element].editor_description;
5413   }
5414
5415   if (info_text == NULL)
5416     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5417
5418   return info_text;
5419 }
5420
5421 static char *getElementDescriptionFilenameExt(char *basename)
5422 {
5423   char *elements_subdir = "elements";
5424   static char *elements_subdir2 = NULL;
5425   static char *filename = NULL;
5426
5427   if (elements_subdir2 == NULL)
5428     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5429
5430   checked_free(filename);
5431
5432   /* 1st try: look for element description in current level set directory */
5433   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5434   if (fileExists(filename))
5435     return filename;
5436
5437   free(filename);
5438
5439   /* 2nd try: look for element description in the game's base directory */
5440   filename = getPath3(options.docs_directory, elements_subdir, basename);
5441   if (fileExists(filename))
5442     return filename;
5443
5444   return NULL;
5445 }
5446
5447 char *getElementDescriptionFilename(int element)
5448 {
5449   char basename[MAX_FILENAME_LEN];
5450   char *filename;
5451
5452   /* 1st try: look for element description file for exactly this element */
5453   sprintf(basename, "%s.txt", element_info[element].token_name);
5454   filename = getElementDescriptionFilenameExt(basename);
5455   if (filename != NULL)
5456     return filename;
5457
5458   /* 2nd try: look for element description file for this element's class */
5459   sprintf(basename, "%s.txt", element_info[element].class_name);
5460   filename = getElementDescriptionFilenameExt(basename);
5461   if (filename != NULL)
5462     return filename;
5463
5464   return NULL;
5465 }
5466
5467 static boolean suppressBorderElement()
5468 {
5469   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5470           lev_fieldx <= MAX_ED_FIELDX &&
5471           lev_fieldy <= MAX_ED_FIELDY);
5472 }
5473
5474 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5475 {
5476   boolean element_found[NUM_FILE_ELEMENTS];
5477   int i, x, y;
5478
5479   /* initialize list of used elements to "not used" */
5480   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5481     element_found[i] = FALSE;
5482
5483   /* find all elements used in current level */
5484   for (y = 0; y < lev_fieldy; y++)
5485     for (x = 0; x < lev_fieldx; x++)
5486       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5487         element_found[Feld[x][y]] = TRUE;
5488
5489   *num_elements = 0;
5490
5491   /* count number of elements used in current level */
5492   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5493     if (element_found[i])
5494       (*num_elements)++;
5495
5496   /* add space for up to 3 more elements for padding that may be needed */
5497   *num_elements += 3;
5498
5499   /* free memory for old list of elements, if needed */
5500   checked_free(*elements);
5501
5502   /* allocate memory for new list of elements */
5503   *elements = checked_malloc(*num_elements * sizeof(int));
5504
5505   *num_elements = 0;
5506
5507   /* add all elements used in current level (non-custom/group elements) */
5508   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5509     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5510       (*elements)[(*num_elements)++] = i;
5511
5512   /* add all elements used in current level (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   while (*num_elements % 4)     /* pad with empty elements, if needed */
5518     (*elements)[(*num_elements)++] = EL_EMPTY;
5519 }
5520
5521 static void ReinitializeElementList_EnableSections()
5522 {
5523   /* default: enable all element sections */
5524
5525   setup_editor_el_players               = TRUE;
5526   setup_editor_el_boulderdash           = TRUE;
5527   setup_editor_el_emerald_mine          = TRUE;
5528   setup_editor_el_emerald_mine_club     = TRUE;
5529   setup_editor_el_more                  = TRUE;
5530   setup_editor_el_sokoban               = TRUE;
5531   setup_editor_el_supaplex              = TRUE;
5532   setup_editor_el_diamond_caves         = TRUE;
5533   setup_editor_el_dx_boulderdash        = TRUE;
5534   setup_editor_el_mirror_magic          = TRUE;
5535   setup_editor_el_deflektor             = TRUE;
5536   setup_editor_el_chars                 = TRUE;
5537   setup_editor_el_steel_chars           = TRUE;
5538
5539   setup_editor_el_custom                = TRUE;
5540   setup_editor_el_user_defined          = TRUE;
5541   setup_editor_el_dynamic               = TRUE;
5542
5543   /* now disable all element sections not to be displayed */
5544
5545   if (!setup.editor.el_classic)
5546   {
5547     setup_editor_el_players             = FALSE;
5548     setup_editor_el_boulderdash         = FALSE;
5549     setup_editor_el_emerald_mine        = FALSE;
5550     setup_editor_el_emerald_mine_club   = FALSE;
5551     setup_editor_el_more                = FALSE;
5552     setup_editor_el_sokoban             = FALSE;
5553     setup_editor_el_supaplex            = FALSE;
5554     setup_editor_el_diamond_caves       = FALSE;
5555     setup_editor_el_dx_boulderdash      = FALSE;
5556     setup_editor_el_mirror_magic        = FALSE;
5557     setup_editor_el_deflektor           = FALSE;
5558     setup_editor_el_chars               = FALSE;
5559     setup_editor_el_steel_chars         = FALSE;
5560   }
5561
5562   if (!setup.editor.el_custom)
5563   {
5564     setup_editor_el_custom              = FALSE;
5565   }
5566
5567   if (!setup.editor.el_user_defined)
5568   {
5569     setup_editor_el_user_defined        = FALSE;
5570   }
5571
5572   if (!setup.editor.el_dynamic)
5573   {
5574     setup_editor_el_dynamic             = FALSE;
5575   }
5576
5577   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5578   {
5579     setup_editor_el_mirror_magic        = FALSE;
5580     setup_editor_el_deflektor           = FALSE;
5581   }
5582   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5583   {
5584     setup_editor_el_boulderdash         = FALSE;
5585     setup_editor_el_more                = FALSE;
5586     setup_editor_el_sokoban             = FALSE;
5587     setup_editor_el_supaplex            = FALSE;
5588     setup_editor_el_diamond_caves       = FALSE;
5589     setup_editor_el_dx_boulderdash      = FALSE;
5590     setup_editor_el_mirror_magic        = FALSE;
5591     setup_editor_el_deflektor           = FALSE;
5592     setup_editor_el_steel_chars         = FALSE;
5593
5594     setup_editor_el_custom              = FALSE;
5595   }
5596   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5597   {
5598     setup_editor_el_players             = FALSE;
5599     setup_editor_el_boulderdash         = FALSE;
5600     setup_editor_el_emerald_mine        = FALSE;
5601     setup_editor_el_emerald_mine_club   = FALSE;
5602     setup_editor_el_more                = FALSE;
5603     setup_editor_el_sokoban             = FALSE;
5604     setup_editor_el_diamond_caves       = FALSE;
5605     setup_editor_el_dx_boulderdash      = FALSE;
5606     setup_editor_el_mirror_magic        = FALSE;
5607     setup_editor_el_deflektor           = FALSE;
5608     setup_editor_el_chars               = FALSE;
5609     setup_editor_el_steel_chars         = FALSE;
5610
5611     setup_editor_el_custom              = FALSE;
5612   }
5613   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5614   {
5615     setup_editor_el_players             = FALSE;
5616     setup_editor_el_boulderdash         = FALSE;
5617     setup_editor_el_emerald_mine        = FALSE;
5618     setup_editor_el_emerald_mine_club   = FALSE;
5619     setup_editor_el_more                = FALSE;
5620     setup_editor_el_sokoban             = FALSE;
5621     setup_editor_el_supaplex            = FALSE;
5622     setup_editor_el_diamond_caves       = FALSE;
5623     setup_editor_el_dx_boulderdash      = FALSE;
5624     setup_editor_el_steel_chars         = FALSE;
5625
5626     setup_editor_el_custom              = FALSE;
5627   }
5628 }
5629
5630 static void ReinitializeElementList()
5631 {
5632   static boolean initialization_needed = TRUE;
5633   int pos = 0;
5634   int i, j;
5635
5636   ReinitializeElementList_EnableSections();
5637
5638   if (initialization_needed)
5639   {
5640     LoadSetup_EditorCascade();          /* load last editor cascade state */
5641
5642     /* initialize editor cascade element from saved cascade state */
5643     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5644     {
5645       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5646       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5647
5648       if (IS_EDITOR_CASCADE(*cascade_element))
5649         *cascade_element =
5650           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5651            EL_CASCADE_INACTIVE(*cascade_element));
5652     }
5653
5654     initialization_needed = FALSE;
5655   }
5656
5657   checked_free(editor_elements);
5658
5659   /* reload optional user defined element list for each invocation of editor */
5660   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5661                                    &num_editor_el_user_defined);
5662
5663   /* initialize dynamic level element list for each invocation of editor */
5664   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5665                                &num_editor_el_dynamic);
5666
5667   /* initialize list of empty elements (used for padding, if needed) */
5668   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5669     editor_el_empty[i] = EL_EMPTY;
5670
5671   /* do some sanity checks for each element from element list */
5672   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5673   {
5674     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5675     {
5676       int element = (*editor_elements_info[i].element_list)[j];
5677
5678       if (element >= NUM_FILE_ELEMENTS)
5679         Error(ERR_WARN, "editor element %d is runtime element", element);
5680
5681       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5682         Error(ERR_WARN, "no element description text for element %d", element);
5683     }
5684   }
5685
5686   num_editor_elements = 0;
5687   use_el_empty = FALSE;
5688
5689   /* determine size of element list */
5690   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5691   {
5692     boolean found_inactive_cascade = FALSE;
5693
5694     if (*editor_elements_info[i].setup_value)
5695     {
5696       if (setup.editor.el_headlines)
5697       {
5698         // required for correct padding of palette headline buttons
5699         if (*editor_elements_info[i].headline_list_size > 0)
5700           num_editor_elements += editor.palette.cols;
5701
5702         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5703         {
5704           int element = (*editor_elements_info[i].headline_list)[j];
5705
5706           if (IS_EDITOR_CASCADE_INACTIVE(element))
5707             found_inactive_cascade = TRUE;
5708         }
5709       }
5710
5711       if (found_inactive_cascade)
5712         continue;
5713
5714       // required for correct padding of palette element buttons
5715       int element_list_size = *editor_elements_info[i].element_list_size;
5716       int element_rows =
5717         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5718       int element_buttons = editor.palette.cols * element_rows;
5719
5720       num_editor_elements += element_buttons;
5721     }
5722   }
5723
5724   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5725   {
5726     /* offer at least as many elements as element buttons exist */
5727     use_el_empty = TRUE;
5728     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5729
5730     num_editor_elements += num_editor_el_empty;
5731   }
5732   else
5733   {
5734     num_editor_el_empty = 0;
5735   }
5736
5737   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5738
5739   /* fill element list */
5740   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5741   {
5742     boolean found_inactive_cascade = FALSE;
5743
5744     if (*editor_elements_info[i].setup_value)
5745     {
5746       if (setup.editor.el_headlines)
5747       {
5748         // required for correct padding of palette headline buttons
5749         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5750                              editor.palette.cols : 0);
5751
5752         for (j = 0; j < headline_size; j++)
5753         {
5754           // use empty elements for padding of palette headline buttons
5755           int element = (j < *editor_elements_info[i].headline_list_size ?
5756                          (*editor_elements_info[i].headline_list)[j] :
5757                          editor_el_empty[0]);
5758
5759           editor_elements[pos++] = element;
5760
5761           if (IS_EDITOR_CASCADE_INACTIVE(element))
5762             found_inactive_cascade = TRUE;
5763         }
5764       }
5765
5766       if (found_inactive_cascade)
5767         continue;
5768
5769       // required for correct padding of palette element buttons
5770       int element_list_size = *editor_elements_info[i].element_list_size;
5771       int element_rows =
5772         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5773       int element_buttons = editor.palette.cols * element_rows;
5774
5775       // copy all elements from element list
5776       for (j = 0; j < element_list_size; j++)
5777         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5778
5779       // use empty elements for padding of palette element buttons
5780       for (j = 0; j < element_buttons - element_list_size; j++)
5781         editor_elements[pos++] = editor_el_empty[0];
5782     }
5783   }
5784
5785   /* (this function is also called before editor gadgets are initialized!) */
5786   AdjustElementListScrollbar();
5787 }
5788
5789 void PrintEditorElementList()
5790 {
5791   boolean *stop = &setup_editor_el_user_defined;
5792   int i, j;
5793
5794   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5795   {
5796     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5797
5798     if (IS_EDITOR_CASCADE(cascade_element))
5799     {
5800       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5801       char *headline = element_info[cascade_element_show].editor_description;
5802
5803       PrintLineWithPrefix("# ", "-", 77);
5804       Print("# %s\n", headline);
5805       PrintLineWithPrefix("# ", "-", 77);
5806     }
5807
5808     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5809     {
5810       int element = (*editor_elements_info[i].headline_list)[j];
5811
5812       if (IS_EDITOR_CASCADE(element))
5813         element = EL_CHAR_MINUS;
5814
5815       Print("# %s\n", element_info[element].token_name);
5816     }
5817
5818     if (j > 0)
5819       Print("#\n");
5820
5821     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5822     {
5823       int element = (*editor_elements_info[i].element_list)[j];
5824
5825       Print("# %s\n", element_info[element].token_name);
5826     }
5827
5828     if (j > 0)
5829       Print("#\n");
5830   }
5831 }
5832
5833 static void ReinitializeElementListButtons()
5834 {
5835   static boolean last_setup_value_headlines = FALSE;
5836   static boolean initialization_needed = TRUE;
5837   int i;
5838
5839   if (!initialization_needed)   /* check if editor element setup has changed */
5840   {
5841     if (last_setup_value_headlines != setup.editor.el_headlines)
5842       initialization_needed = TRUE;
5843
5844     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5845       if (editor_elements_info[i].last_setup_value !=
5846           *editor_elements_info[i].setup_value)
5847         initialization_needed = TRUE;
5848   }
5849
5850   if (!initialization_needed)
5851     return;
5852
5853   FreeLevelEditorGadgets();
5854   CreateLevelEditorGadgets();
5855
5856   /* store current setup values for next invocation of this function */
5857   last_setup_value_headlines = setup.editor.el_headlines;
5858   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5859     editor_elements_info[i].last_setup_value =
5860       *editor_elements_info[i].setup_value;
5861
5862   initialization_needed = FALSE;
5863 }
5864
5865 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5866                               boolean input)
5867 {
5868   int border_graphic =
5869     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5870   struct GraphicInfo *g = &graphic_info[border_graphic];
5871   Bitmap *src_bitmap = g->bitmap;
5872   int src_x = g->src_x;
5873   int src_y = g->src_y;
5874   int border_size = g->border_size;
5875   int border_xpos = g->width  - border_size;
5876   int border_ypos = g->height - border_size;
5877   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5878   int i;
5879
5880   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5881              border_size, border_size,
5882              dest_x - border_size, dest_y - border_size);
5883   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5884              border_size, border_size,
5885              dest_x + width, dest_y - border_size);
5886   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5887              border_size, border_size,
5888              dest_x - border_size, dest_y + height);
5889   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5890              border_size, border_size,
5891              dest_x + width, dest_y + height);
5892
5893   for (i = 0; i < width / tilesize; i++)
5894   {
5895     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5896                tilesize, border_size,
5897                dest_x + i * tilesize, dest_y - border_size);
5898     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5899                tilesize, border_size,
5900                dest_x + i * tilesize, dest_y + height);
5901   }
5902
5903   for (i = 0; i < height / tilesize; i++)
5904   {
5905     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5906                border_size, tilesize,
5907                dest_x - border_size, dest_y + i * tilesize);
5908     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5909                border_size, tilesize,
5910                dest_x + width, dest_y + i * tilesize);
5911   }
5912
5913   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5914 }
5915
5916 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5917 {
5918   int xsize_tile = MAX(ed_tilesize, xsize);
5919   int ysize_tile = MAX(ed_tilesize, ysize);
5920   int xsize_full = xsize + 1;
5921   int ysize_full = ysize + 1;
5922   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5923   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5924   Pixel line_color = getTabulatorBarColor();
5925
5926   if (line_color == BLACK_PIXEL)                /* black => transparent */
5927     return;
5928
5929   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5930   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5931   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5932 }
5933
5934 static void DrawEditorLevelBorderLinesIfNeeded()
5935 {
5936   int xsize = lev_fieldx * ed_tilesize;
5937   int ysize = lev_fieldy * ed_tilesize;
5938   int line_size = getTabulatorBarHeight();
5939
5940   if (!suppressBorderElement())
5941     return;
5942
5943   /* draw little border line around editable level playfield */
5944
5945   if (xsize < SXSIZE)
5946     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
5947
5948   if (ysize < SYSIZE)
5949     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
5950
5951   if (xsize < SXSIZE && ysize < SYSIZE)
5952     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
5953 }
5954
5955 static void DrawEditorElement(int x, int y, int element)
5956 {
5957   DrawSizedElement(x, y, element, ed_tilesize);
5958 }
5959
5960 static void DrawEditorElementThruMask(int x, int y, int element)
5961 {
5962   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5963 }
5964
5965 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5966 {
5967   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5968 }
5969
5970 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5971 {
5972   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5973   DrawEditorLevelBorderLinesIfNeeded();
5974 }
5975
5976 static void DrawDrawingArea(int id)
5977 {
5978   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5979   int x, y;
5980
5981   int *value = drawingarea_info[id].value;
5982   int area_xsize = drawingarea_info[id].area_xsize;
5983   int area_ysize = drawingarea_info[id].area_ysize;
5984   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5985
5986   for (x = 0; x < area_xsize; x++)
5987     for (y = 0; y < area_ysize; y++)
5988       DrawSizedGraphicExt(drawto,
5989                           gi->x + x * tilesize,
5990                           gi->y + y * tilesize,
5991                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5992 }
5993
5994 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5995 {
5996   int x, y;
5997   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5998   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5999
6000   BlitBitmap(drawto, drawto,
6001              SX + (dx == -1 ? ed_tilesize : 0),
6002              SY + (dy == -1 ? ed_tilesize : 0),
6003              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6004              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6005              SX + (dx == +1 ? ed_tilesize : 0),
6006              SY + (dy == +1 ? ed_tilesize : 0));
6007
6008   if (dx)
6009   {
6010     x = (dx == 1 ? 0 : ed_fieldx - 1);
6011     for (y = 0; y < ed_fieldy; y++)
6012       DrawEditorElementOrWall(x, y, from_x, from_y);
6013   }
6014   else if (dy)
6015   {
6016     y = (dy == 1 ? 0 : ed_fieldy - 1);
6017     for (x = 0; x < ed_fieldx; x++)
6018       DrawEditorElementOrWall(x, y, from_x, from_y);
6019   }
6020
6021   redraw_mask |= REDRAW_FIELD;
6022   BackToFront();
6023 }
6024
6025 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6026                             int *x, int *y)
6027 {
6028   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6029 }
6030
6031 static void CreateControlButtons()
6032 {
6033   struct GadgetInfo *gi;
6034   int i;
6035
6036   /* create toolbox buttons */
6037   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6038   {
6039     int id = controlbutton_info[i].gadget_id;
6040     int type = controlbutton_info[i].gadget_type;
6041     int graphic = controlbutton_info[i].graphic;
6042     struct XYTileSize *pos = controlbutton_info[i].pos;
6043     struct GraphicInfo *gd = &graphic_info[graphic];
6044     Bitmap *deco_bitmap = NULL;
6045     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6046     int tile_size = 0, deco_shift = 0;
6047     boolean deco_masked = FALSE;
6048     int gd_x1 = gd->src_x;
6049     int gd_y1 = gd->src_y;
6050     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6051     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6052     int gd_x1a = gd->src_x + gd->active_xoffset;
6053     int gd_y1a = gd->src_y + gd->active_yoffset;
6054     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6055     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6056     int x = pos->x;
6057     int y = pos->y;
6058     unsigned int event_mask;
6059     int radio_button_nr = RADIO_NR_NONE;
6060     boolean checked = FALSE;
6061
6062     if (type == GD_TYPE_RADIO_BUTTON)
6063     {
6064       event_mask = GD_EVENT_PRESSED;
6065       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6066
6067       if (id == drawing_function)
6068         checked = TRUE;
6069     }
6070     else
6071     {
6072       if (id == GADGET_ID_WRAP_LEFT ||
6073           id == GADGET_ID_WRAP_RIGHT ||
6074           id == GADGET_ID_WRAP_UP ||
6075           id == GADGET_ID_WRAP_DOWN)
6076         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6077       else
6078         event_mask = GD_EVENT_RELEASED;
6079     }
6080
6081     if (id == GADGET_ID_PROPERTIES ||
6082         id == GADGET_ID_PALETTE)
6083     {
6084       x += DX;
6085       y += DY;
6086     }
6087     else if (id == GADGET_ID_ELEMENT_LEFT ||
6088              id == GADGET_ID_ELEMENT_MIDDLE ||
6089              id == GADGET_ID_ELEMENT_RIGHT)
6090     {
6091       x += DX;
6092       y += DY;
6093
6094       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6095                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6096                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6097
6098       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6099                                    editor.button.element_left.tile_size :
6100                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6101                                    editor.button.element_middle.tile_size :
6102                                    id == GADGET_ID_ELEMENT_RIGHT ?
6103                                    editor.button.element_right.tile_size : 0);
6104
6105       // make sure that decoration does not overlap gadget border
6106       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6107
6108       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6109
6110       deco_xpos = (gd->width  - tile_size) / 2;
6111       deco_ypos = (gd->height - tile_size) / 2;
6112       deco_shift = 1;
6113       deco_masked = gd->draw_masked;
6114     }
6115     else
6116     {
6117       x += EX;
6118       y += EY;
6119     }
6120
6121     gi = CreateGadget(GDI_CUSTOM_ID, id,
6122                       GDI_CUSTOM_TYPE_ID, i,
6123                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6124                       GDI_X, x,
6125                       GDI_Y, y,
6126                       GDI_WIDTH, gd->width,
6127                       GDI_HEIGHT, gd->height,
6128                       GDI_TYPE, type,
6129                       GDI_STATE, GD_BUTTON_UNPRESSED,
6130                       GDI_RADIO_NR, radio_button_nr,
6131                       GDI_CHECKED, checked,
6132                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6133                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6134                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6135                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6136                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6137                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6138                       GDI_DECORATION_SIZE, tile_size, tile_size,
6139                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6140                       GDI_DECORATION_MASKED, deco_masked,
6141                       GDI_EVENT_MASK, event_mask,
6142                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6143                       GDI_CALLBACK_ACTION, HandleControlButtons,
6144                       GDI_END);
6145
6146     if (gi == NULL)
6147       Error(ERR_EXIT, "cannot create gadget");
6148
6149     level_editor_gadget[id] = gi;
6150   }
6151
6152   /* these values are not constant, but can change at runtime */
6153   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6154   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6155   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6156   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6157   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6158   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6159   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6160   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6161   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6162   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6163   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6164   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6165
6166   /* create buttons for scrolling of drawing area and element list */
6167   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6168   {
6169     int id = scrollbutton_info[i].gadget_id;
6170     int graphic = scrollbutton_info[i].graphic;
6171     struct GraphicInfo *gd = &graphic_info[graphic];
6172     Bitmap *gd_bitmap = gd->bitmap;
6173     int gd_x1 = gd->src_x;
6174     int gd_y1 = gd->src_y;
6175     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6176     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6177     int width  = gd->width;
6178     int height = gd->height;
6179     int x = scrollbutton_pos[i].x;
6180     int y = scrollbutton_pos[i].y;
6181     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6182
6183     if (id == GADGET_ID_SCROLL_LIST_UP ||
6184         id == GADGET_ID_SCROLL_LIST_DOWN)
6185     {
6186       x += PX;
6187       y += PY;
6188     }
6189     else
6190     {
6191       x += SX;
6192       y += SY;
6193     }
6194
6195     gi = CreateGadget(GDI_CUSTOM_ID, id,
6196                       GDI_CUSTOM_TYPE_ID, i,
6197                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6198                       GDI_X, x,
6199                       GDI_Y, y,
6200                       GDI_WIDTH, width,
6201                       GDI_HEIGHT, height,
6202                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6203                       GDI_STATE, GD_BUTTON_UNPRESSED,
6204                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6205                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6206                       GDI_EVENT_MASK, event_mask,
6207                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6208                       GDI_CALLBACK_ACTION, HandleControlButtons,
6209                       GDI_END);
6210
6211     if (gi == NULL)
6212       Error(ERR_EXIT, "cannot create gadget");
6213
6214     level_editor_gadget[id] = gi;
6215   }
6216
6217   /* create buttons for element list */
6218   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6219   {
6220     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6221     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6222     struct GraphicInfo *gd = &graphic_info[graphic];
6223     Bitmap *gd_bitmap = gd->bitmap;
6224     Bitmap *deco_bitmap;
6225     int deco_x, deco_y, deco_xpos, deco_ypos;
6226     int gd_x1 = gd->src_x;
6227     int gd_y1 = gd->src_y;
6228     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6229     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6230     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6231     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6232     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6233     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6234     int element = editor_elements[i];
6235     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6236     unsigned int event_mask = GD_EVENT_RELEASED;
6237
6238     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6239
6240     deco_xpos = (gd->width  - tile_size) / 2;
6241     deco_ypos = (gd->height - tile_size) / 2;
6242
6243     gi = CreateGadget(GDI_CUSTOM_ID, id,
6244                       GDI_CUSTOM_TYPE_ID, i,
6245                       GDI_INFO_TEXT, getElementInfoText(element),
6246                       GDI_X, x,
6247                       GDI_Y, y,
6248                       GDI_WIDTH, gd->width,
6249                       GDI_HEIGHT, gd->height,
6250                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6251                       GDI_STATE, GD_BUTTON_UNPRESSED,
6252                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6253                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6254                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6255                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6256                       GDI_DECORATION_SIZE, tile_size, tile_size,
6257                       GDI_DECORATION_SHIFTING, 1, 1,
6258                       GDI_EVENT_MASK, event_mask,
6259                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6260                       GDI_CALLBACK_ACTION, HandleControlButtons,
6261                       GDI_END);
6262
6263     if (gi == NULL)
6264       Error(ERR_EXIT, "cannot create gadget");
6265
6266     level_editor_gadget[id] = gi;
6267   }
6268 }
6269
6270 static void CreateCounterButtons()
6271 {
6272   int max_infotext_len = getMaxInfoTextLength();
6273   int i;
6274
6275   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6276   {
6277     int j;
6278     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6279     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6280
6281     /* determine horizontal position to the right of specified gadget */
6282     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6283       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6284            ED_GADGET_TEXT_DISTANCE);
6285
6286     /* determine horizontal offset for leading text */
6287     if (counterbutton_info[i].text_left != NULL)
6288       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6289
6290     for (j = 0; j < 2; j++)
6291     {
6292       struct GadgetInfo *gi;
6293       int id = (j == 0 ?
6294                 counterbutton_info[i].gadget_id_down :
6295                 counterbutton_info[i].gadget_id_up);
6296       int graphic;
6297       struct GraphicInfo *gd;
6298       int gd_x1, gd_x2, gd_y1, gd_y2;
6299       unsigned int event_mask;
6300       char infotext[max_infotext_len + 1];
6301
6302       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6303
6304       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6305       {
6306         graphic = (j == 0 ?
6307                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6308                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6309
6310         event_mask |= GD_EVENT_RELEASED;
6311
6312         if (j == 0)
6313         {
6314           x = DX + editor.button.prev_level.x;
6315           y = DY + editor.button.prev_level.y;
6316         }
6317         else
6318         {
6319           x = DX + editor.button.next_level.x;
6320           y = DY + editor.button.next_level.y;
6321         }
6322       }
6323       else
6324       {
6325         graphic = (j == 0 ?
6326                    IMG_EDITOR_COUNTER_DOWN :
6327                    IMG_EDITOR_COUNTER_UP);
6328       }
6329
6330       gd = &graphic_info[graphic];
6331
6332       gd_x1 = gd->src_x;
6333       gd_y1 = gd->src_y;
6334       gd_x2 = gd->src_x + gd->pressed_xoffset;
6335       gd_y2 = gd->src_y + gd->pressed_yoffset;
6336
6337       sprintf(infotext, "%s counter value by 1, 5 or 10",
6338               (j == 0 ? "decrease" : "increase"));
6339
6340       gi = CreateGadget(GDI_CUSTOM_ID, id,
6341                         GDI_CUSTOM_TYPE_ID, i,
6342                         GDI_INFO_TEXT, infotext,
6343                         GDI_X, x,
6344                         GDI_Y, y,
6345                         GDI_WIDTH, gd->width,
6346                         GDI_HEIGHT, gd->height,
6347                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6348                         GDI_STATE, GD_BUTTON_UNPRESSED,
6349                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6350                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6351                         GDI_EVENT_MASK, event_mask,
6352                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6353                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6354                         GDI_END);
6355
6356       if (gi == NULL)
6357         Error(ERR_EXIT, "cannot create gadget");
6358
6359       level_editor_gadget[id] = gi;
6360       right_gadget_border[id] =
6361         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6362
6363       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6364
6365       if (j == 0)
6366       {
6367         int font_type = FONT_INPUT_1;
6368         int font_type_active = FONT_INPUT_1_ACTIVE;
6369
6370         id = counterbutton_info[i].gadget_id_text;
6371
6372         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6373
6374         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6375         {
6376           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6377
6378           font_type = FONT_LEVEL_NUMBER;
6379           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6380
6381           x = DX + editor.input.level_number.x;
6382           y = DY + editor.input.level_number.y;
6383         }
6384         else
6385         {
6386           graphic = IMG_EDITOR_COUNTER_INPUT;
6387         }
6388
6389         gd = &graphic_info[graphic];
6390
6391         gd_x1 = gd->src_x;
6392         gd_y1 = gd->src_y;
6393         gd_x2 = gd->src_x + gd->active_xoffset;
6394         gd_y2 = gd->src_y + gd->active_yoffset;
6395
6396         gi = CreateGadget(GDI_CUSTOM_ID, id,
6397                           GDI_CUSTOM_TYPE_ID, i,
6398                           GDI_INFO_TEXT, "enter counter value",
6399                           GDI_X, x,
6400                           GDI_Y, y,
6401                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6402                           GDI_NUMBER_VALUE, 0,
6403                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6404                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6405                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6406                           GDI_TEXT_FONT, font_type,
6407                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6408                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6409                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6410                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6411                           GDI_DESIGN_WIDTH, gd->width,
6412                           GDI_EVENT_MASK, event_mask,
6413                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6414                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6415                           GDI_END);
6416
6417         if (gi == NULL)
6418           Error(ERR_EXIT, "cannot create gadget");
6419
6420         level_editor_gadget[id] = gi;
6421         right_gadget_border[id] =
6422           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6423
6424         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6425       }
6426     }
6427   }
6428 }
6429
6430 static void CreateDrawingAreas()
6431 {
6432   int i;
6433
6434   /* these values are not constant, but can change at runtime */
6435   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6436   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6437
6438   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6439   {
6440     struct GadgetInfo *gi;
6441     unsigned int event_mask;
6442     int id = drawingarea_info[i].gadget_id;
6443     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6444     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6445     int area_xsize = drawingarea_info[i].area_xsize;
6446     int area_ysize = drawingarea_info[i].area_ysize;
6447     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6448                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6449
6450     event_mask =
6451       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6452       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6453
6454     /* determine horizontal position to the right of specified gadget */
6455     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6456       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6457            ED_DRAWINGAREA_TEXT_DISTANCE);
6458
6459     /* determine horizontal offset for leading text */
6460     if (drawingarea_info[i].text_left != NULL)
6461       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6462
6463     gi = CreateGadget(GDI_CUSTOM_ID, id,
6464                       GDI_CUSTOM_TYPE_ID, i,
6465                       GDI_X, x,
6466                       GDI_Y, y,
6467                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6468                       GDI_AREA_SIZE, area_xsize, area_ysize,
6469                       GDI_ITEM_SIZE, item_size, item_size,
6470                       GDI_EVENT_MASK, event_mask,
6471                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6472                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6473                       GDI_END);
6474
6475     if (gi == NULL)
6476       Error(ERR_EXIT, "cannot create gadget");
6477
6478     level_editor_gadget[id] = gi;
6479     right_gadget_border[id] =
6480       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6481   }
6482 }
6483
6484 static void CreateTextInputGadgets()
6485 {
6486   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6487   int max_infotext_len = getMaxInfoTextLength();
6488   int i;
6489
6490   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6491   {
6492     int gd_x1 = gd->src_x;
6493     int gd_y1 = gd->src_y;
6494     int gd_x2 = gd->src_x + gd->active_xoffset;
6495     int gd_y2 = gd->src_y + gd->active_yoffset;
6496     struct GadgetInfo *gi;
6497     unsigned int event_mask;
6498     char infotext[MAX_OUTPUT_LINESIZE + 1];
6499     int id = textinput_info[i].gadget_id;
6500     int x, y;
6501
6502     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6503     {
6504       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6505       int border_size = gd->border_size;
6506       int font_nr = FONT_INPUT_1;
6507       int font_height = getFontHeight(font_nr);
6508       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6509       int yoffset = element_border + (TILEY - font_height) / 2;
6510
6511       x = (editor.settings.element_name.x != -1 ?
6512            editor.settings.element_name.x :
6513            editor.settings.element_graphic.x + xoffset) - border_size;
6514       y = (editor.settings.element_name.y != -1 ?
6515            editor.settings.element_name.y :
6516            editor.settings.element_graphic.y + yoffset) - border_size;
6517     }
6518     else
6519     {
6520       x = ED_SETTINGS_X(textinput_info[i].x);
6521       y = ED_SETTINGS_Y(textinput_info[i].y);
6522     }
6523
6524     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6525
6526     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6527     infotext[max_infotext_len] = '\0';
6528
6529     gi = CreateGadget(GDI_CUSTOM_ID, id,
6530                       GDI_CUSTOM_TYPE_ID, i,
6531                       GDI_INFO_TEXT, infotext,
6532                       GDI_X, SX + x,
6533                       GDI_Y, SY + y,
6534                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6535                       GDI_TEXT_VALUE, textinput_info[i].value,
6536                       GDI_TEXT_SIZE, textinput_info[i].size,
6537                       GDI_TEXT_FONT, FONT_INPUT_1,
6538                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6539                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6540                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6541                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6542                       GDI_DESIGN_WIDTH, gd->width,
6543                       GDI_EVENT_MASK, event_mask,
6544                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6545                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6546                       GDI_END);
6547
6548     if (gi == NULL)
6549       Error(ERR_EXIT, "cannot create gadget");
6550
6551     level_editor_gadget[id] = gi;
6552   }
6553 }
6554
6555 static void CreateTextAreaGadgets()
6556 {
6557   int max_infotext_len = getMaxInfoTextLength();
6558   int i;
6559
6560   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6561   {
6562     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6563     int gd_x1 = gd->src_x;
6564     int gd_y1 = gd->src_y;
6565     int gd_x2 = gd->src_x + gd->active_xoffset;
6566     int gd_y2 = gd->src_y + gd->active_yoffset;
6567     struct GadgetInfo *gi;
6568     unsigned int event_mask;
6569     char infotext[MAX_OUTPUT_LINESIZE + 1];
6570     int id = textarea_info[i].gadget_id;
6571     int area_xsize = textarea_info[i].xsize;
6572     int area_ysize = textarea_info[i].ysize;
6573
6574     event_mask = GD_EVENT_TEXT_LEAVING;
6575
6576     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6577     infotext[max_infotext_len] = '\0';
6578
6579     gi = CreateGadget(GDI_CUSTOM_ID, id,
6580                       GDI_CUSTOM_TYPE_ID, i,
6581                       GDI_INFO_TEXT, infotext,
6582                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6583                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6584                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6585                       GDI_AREA_SIZE, area_xsize, area_ysize,
6586                       GDI_TEXT_FONT, FONT_INPUT_1,
6587                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6588                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6589                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6590                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6591                       GDI_DESIGN_WIDTH, gd->width,
6592                       GDI_EVENT_MASK, event_mask,
6593                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6594                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6595                       GDI_END);
6596
6597     if (gi == NULL)
6598       Error(ERR_EXIT, "cannot create gadget");
6599
6600     level_editor_gadget[id] = gi;
6601   }
6602 }
6603
6604 static void CreateSelectboxGadgets()
6605 {
6606   int max_infotext_len = getMaxInfoTextLength();
6607   int i, j;
6608
6609   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6610   {
6611     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6612     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6613     int gd_x1 = gd->src_x;
6614     int gd_y1 = gd->src_y;
6615     int gd_x2 = gd->src_x + gd->active_xoffset;
6616     int gd_y2 = gd->src_y + gd->active_yoffset;
6617     int selectbox_button_xsize = gd2->width;
6618     struct GadgetInfo *gi;
6619     unsigned int event_mask;
6620     char infotext[MAX_OUTPUT_LINESIZE + 1];
6621     int id = selectbox_info[i].gadget_id;
6622     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6623     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6624
6625     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6626     {
6627       /* (we cannot use -1 for uninitialized values if we directly compare
6628          with results from strlen(), because the '<' and '>' operation will
6629          implicitely cast -1 to an unsigned integer value!) */
6630       selectbox_info[i].size = 0;
6631
6632       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6633         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6634           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6635
6636       selectbox_info[i].size++;         /* add one character empty space */
6637     }
6638
6639     event_mask = GD_EVENT_RELEASED |
6640       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6641
6642     /* determine horizontal position to the right of specified gadget */
6643     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6644       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6645            ED_GADGET_TEXT_DISTANCE);
6646
6647     /* determine horizontal offset for leading text */
6648     if (selectbox_info[i].text_left != NULL)
6649       x += getTextWidthForGadget(selectbox_info[i].text_left);
6650
6651     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6652     infotext[max_infotext_len] = '\0';
6653
6654     gi = CreateGadget(GDI_CUSTOM_ID, id,
6655                       GDI_CUSTOM_TYPE_ID, i,
6656                       GDI_INFO_TEXT, infotext,
6657                       GDI_X, x,
6658                       GDI_Y, y,
6659                       GDI_TYPE, GD_TYPE_SELECTBOX,
6660                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6661                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6662                       GDI_TEXT_SIZE, selectbox_info[i].size,
6663                       GDI_TEXT_FONT, FONT_INPUT_1,
6664                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6665                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6666                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6667                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6668                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6669                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6670                       GDI_DESIGN_WIDTH, gd->width,
6671                       GDI_EVENT_MASK, event_mask,
6672                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6673                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6674                       GDI_END);
6675
6676     if (gi == NULL)
6677       Error(ERR_EXIT, "cannot create gadget");
6678
6679     level_editor_gadget[id] = gi;
6680     right_gadget_border[id] =
6681       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6682   }
6683 }
6684
6685 static void CreateTextbuttonGadgets()
6686 {
6687   int max_infotext_len = getMaxInfoTextLength();
6688   int i;
6689
6690   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6691   {
6692     int id = textbutton_info[i].gadget_id;
6693     int is_tab_button =
6694       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6695        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6696     int graphic =
6697       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6698     int gadget_distance =
6699       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6700     struct GraphicInfo *gd = &graphic_info[graphic];
6701     int gd_x1 = gd->src_x;
6702     int gd_y1 = gd->src_y;
6703     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6704     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6705     int gd_x1a = gd->src_x + gd->active_xoffset;
6706     int gd_y1a = gd->src_y + gd->active_yoffset;
6707     int border_xsize = gd->border_size + gd->draw_xoffset;
6708     int border_ysize = gd->border_size;
6709     struct GadgetInfo *gi;
6710     unsigned int event_mask;
6711     char infotext[MAX_OUTPUT_LINESIZE + 1];
6712     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6713     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6714
6715     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6716       textbutton_info[i].size = strlen(textbutton_info[i].text);
6717
6718     event_mask = GD_EVENT_RELEASED;
6719
6720     sprintf(infotext, "%s", textbutton_info[i].infotext);
6721     infotext[max_infotext_len] = '\0';
6722
6723     /* determine horizontal position to the right of specified gadget */
6724     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6725     {
6726       int gadget_id_align = textbutton_info[i].gadget_id_align;
6727
6728       x = right_gadget_border[gadget_id_align] + gadget_distance;
6729
6730       if (textbutton_info[i].y == -1)
6731         y = level_editor_gadget[gadget_id_align]->y;
6732     }
6733
6734     /* determine horizontal offset for leading text */
6735     if (textbutton_info[i].text_left != NULL)
6736       x += getTextWidthForGadget(textbutton_info[i].text_left);
6737
6738     gi = CreateGadget(GDI_CUSTOM_ID, id,
6739                       GDI_CUSTOM_TYPE_ID, i,
6740                       GDI_INFO_TEXT, infotext,
6741                       GDI_X, x,
6742                       GDI_Y, y,
6743                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6744                       GDI_TEXT_VALUE, textbutton_info[i].text,
6745                       GDI_TEXT_SIZE, textbutton_info[i].size,
6746                       GDI_TEXT_FONT, FONT_INPUT_2,
6747                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6748                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6749                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6750                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6751                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6752                       GDI_DESIGN_WIDTH, gd->width,
6753                       GDI_DECORATION_SHIFTING, 1, 1,
6754                       GDI_EVENT_MASK, event_mask,
6755                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6756                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6757                       GDI_END);
6758
6759     if (gi == NULL)
6760       Error(ERR_EXIT, "cannot create gadget");
6761
6762     level_editor_gadget[id] = gi;
6763     right_gadget_border[id] =
6764       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6765   }
6766 }
6767
6768 static void CreateGraphicbuttonGadgets()
6769 {
6770   struct GadgetInfo *gi;
6771   unsigned int event_mask;
6772   int i;
6773
6774   /* create buttons for scrolling of drawing area and element list */
6775   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6776   {
6777     int id = graphicbutton_info[i].gadget_id;
6778     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6779     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6780     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6781     int gd_x1 = gd->src_x;
6782     int gd_y1 = gd->src_y;
6783     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6784     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6785
6786     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6787
6788     /* determine horizontal position to the right of specified gadget */
6789     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6790       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6791            ED_GADGET_TEXT_DISTANCE);
6792
6793     /* determine horizontal offset for leading text */
6794     if (graphicbutton_info[i].text_left != NULL)
6795       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6796
6797     gi = CreateGadget(GDI_CUSTOM_ID, id,
6798                       GDI_CUSTOM_TYPE_ID, i,
6799                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6800                       GDI_X, x,
6801                       GDI_Y, y,
6802                       GDI_WIDTH, gd->width,
6803                       GDI_HEIGHT, gd->height,
6804                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6805                       GDI_STATE, GD_BUTTON_UNPRESSED,
6806                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6807                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6808                       GDI_EVENT_MASK, event_mask,
6809                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6810                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6811                       GDI_END);
6812
6813     if (gi == NULL)
6814       Error(ERR_EXIT, "cannot create gadget");
6815
6816     level_editor_gadget[id] = gi;
6817     right_gadget_border[id] =
6818       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6819   }
6820 }
6821
6822 static void CreateScrollbarGadgets()
6823 {
6824   int i;
6825
6826   /* these values are not constant, but can change at runtime */
6827   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6828     SX + ED_SCROLL_HORIZONTAL_XPOS;
6829   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6830     SY + ED_SCROLL_HORIZONTAL_YPOS;
6831   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6832     ED_SCROLL_HORIZONTAL_XSIZE;
6833   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6834     ED_SCROLL_HORIZONTAL_YSIZE;
6835   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6836   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6837   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6838   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6839
6840   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6841     SX + ED_SCROLL_VERTICAL_XPOS;
6842   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6843     SY + ED_SCROLL_VERTICAL_YPOS;
6844   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6845     ED_SCROLL_VERTICAL_XSIZE;
6846   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6847     ED_SCROLL_VERTICAL_YSIZE;
6848   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6849   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6850   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6851   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6852
6853   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6854     PX + ED_SCROLL2_VERTICAL_XPOS;
6855   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6856     PY + ED_SCROLL2_VERTICAL_YPOS;
6857   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6858     ED_SCROLL2_VERTICAL_XSIZE;
6859   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6860     ED_SCROLL2_VERTICAL_YSIZE;
6861   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6862   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6863   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6864   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6865
6866   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6867   {
6868     int id = scrollbar_info[i].gadget_id;
6869     int graphic = scrollbar_info[i].graphic;
6870     struct GraphicInfo *gd = &graphic_info[graphic];
6871     int gd_x1 = gd->src_x;
6872     int gd_y1 = gd->src_y;
6873     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6874     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6875     struct GadgetInfo *gi;
6876     int items_max, items_visible, item_position;
6877     unsigned int event_mask;
6878
6879     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6880     {
6881       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6882       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6883       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6884     }
6885     else        /* drawing area scrollbars */
6886     {
6887       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6888       {
6889         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6890         items_visible = ed_fieldx;
6891         item_position = 0;
6892       }
6893       else
6894       {
6895         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6896         items_visible = ed_fieldy;
6897         item_position = 0;
6898       }
6899     }
6900
6901     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6902
6903     gi = CreateGadget(GDI_CUSTOM_ID, id,
6904                       GDI_CUSTOM_TYPE_ID, i,
6905                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6906                       GDI_X, scrollbar_pos[i].x,
6907                       GDI_Y, scrollbar_pos[i].y,
6908                       GDI_WIDTH, scrollbar_pos[i].width,
6909                       GDI_HEIGHT, scrollbar_pos[i].height,
6910                       GDI_TYPE, scrollbar_info[i].type,
6911                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6912                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6913                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6914                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6915                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6916                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6917                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6918                       GDI_STATE, GD_BUTTON_UNPRESSED,
6919                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6920                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6921                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6922                       GDI_EVENT_MASK, event_mask,
6923                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6924                       GDI_CALLBACK_ACTION, HandleControlButtons,
6925                       GDI_END);
6926
6927     if (gi == NULL)
6928       Error(ERR_EXIT, "cannot create gadget");
6929
6930     level_editor_gadget[id] = gi;
6931   }
6932 }
6933
6934 static void CreateCheckbuttonGadgets()
6935 {
6936   struct GadgetInfo *gi;
6937   unsigned int event_mask;
6938   int i;
6939
6940   event_mask = GD_EVENT_PRESSED;
6941
6942   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6943   {
6944     int id = checkbutton_info[i].gadget_id;
6945     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6946                    IMG_EDITOR_CHECKBOX);
6947     struct GraphicInfo *gd = &graphic_info[graphic];
6948     int gd_x1 = gd->src_x;
6949     int gd_y1 = gd->src_y;
6950     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6951     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6952     int gd_x1a = gd->src_x + gd->active_xoffset;
6953     int gd_y1a = gd->src_y + gd->active_yoffset;
6954     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6955     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6956     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6957     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6958
6959     /* determine horizontal position to the right of specified gadget */
6960     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6961       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6962            ED_GADGET_TEXT_DISTANCE);
6963
6964     /* determine horizontal offset for leading text */
6965     if (checkbutton_info[i].text_left != NULL)
6966       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6967
6968     gi = CreateGadget(GDI_CUSTOM_ID, id,
6969                       GDI_CUSTOM_TYPE_ID, i,
6970                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6971                       GDI_X, x,
6972                       GDI_Y, y,
6973                       GDI_WIDTH, gd->width,
6974                       GDI_HEIGHT, gd->height,
6975                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6976                       GDI_CHECKED, *checkbutton_info[i].value,
6977                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6978                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6979                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6980                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6981                       GDI_EVENT_MASK, event_mask,
6982                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6983                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6984                       GDI_END);
6985
6986     if (gi == NULL)
6987       Error(ERR_EXIT, "cannot create gadget");
6988
6989     level_editor_gadget[id] = gi;
6990     right_gadget_border[id] =
6991       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6992   }
6993 }
6994
6995 static void CreateRadiobuttonGadgets()
6996 {
6997   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6998   int gd_x1 = gd->src_x;
6999   int gd_y1 = gd->src_y;
7000   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7001   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7002   int gd_x1a = gd->src_x + gd->active_xoffset;
7003   int gd_y1a = gd->src_y + gd->active_yoffset;
7004   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7005   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7006   struct GadgetInfo *gi;
7007   unsigned int event_mask;
7008   int i;
7009
7010   event_mask = GD_EVENT_PRESSED;
7011
7012   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7013   {
7014     int id = radiobutton_info[i].gadget_id;
7015     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7016     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7017
7018     int checked =
7019       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7020
7021     /* determine horizontal position to the right of specified gadget */
7022     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7023       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7024            ED_GADGET_TEXT_DISTANCE);
7025
7026     /* determine horizontal offset for leading text */
7027     if (radiobutton_info[i].text_left != NULL)
7028       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7029
7030     gi = CreateGadget(GDI_CUSTOM_ID, id,
7031                       GDI_CUSTOM_TYPE_ID, i,
7032                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7033                       GDI_X, x,
7034                       GDI_Y, y,
7035                       GDI_WIDTH, gd->width,
7036                       GDI_HEIGHT, gd->height,
7037                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7038                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7039                       GDI_CHECKED, checked,
7040                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7041                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7042                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7043                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7044                       GDI_EVENT_MASK, event_mask,
7045                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7046                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7047                       GDI_END);
7048
7049     if (gi == NULL)
7050       Error(ERR_EXIT, "cannot create gadget");
7051
7052     level_editor_gadget[id] = gi;
7053     right_gadget_border[id] =
7054       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7055   }
7056 }
7057
7058 void CreateLevelEditorGadgets()
7059 {
7060   /* force EDITOR font inside level editor */
7061   SetFontStatus(GAME_MODE_EDITOR);
7062
7063   /* these values are not constant, but can change at runtime */
7064   ed_fieldx = MAX_ED_FIELDX - 1;
7065   ed_fieldy = MAX_ED_FIELDY - 1;
7066
7067   num_editor_gadgets = NUM_EDITOR_GADGETS;
7068
7069   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7070
7071   level_editor_gadget =
7072     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7073   right_gadget_border =
7074     checked_calloc(num_editor_gadgets * sizeof(int));
7075
7076   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7077   editor_el_empty_ptr = editor_el_empty;
7078
7079   use_permanent_palette = !editor.palette.show_as_separate_screen;
7080
7081   ReinitializeElementList();
7082
7083   CreateControlButtons();
7084   CreateScrollbarGadgets();
7085
7086   /* order of function calls is important because of cross-references */
7087   CreateCheckbuttonGadgets();
7088   CreateCounterButtons();
7089   CreateRadiobuttonGadgets();
7090   CreateTextInputGadgets();
7091   CreateTextAreaGadgets();
7092   CreateSelectboxGadgets();
7093   CreateGraphicbuttonGadgets();
7094   CreateTextbuttonGadgets();
7095   CreateDrawingAreas();
7096
7097   ResetFontStatus();
7098 }
7099
7100 void FreeLevelEditorGadgets()
7101 {
7102   int i;
7103
7104   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7105
7106   for (i = 0; i < num_editor_gadgets; i++)
7107   {
7108     FreeGadget(level_editor_gadget[i]);
7109
7110     level_editor_gadget[i] = NULL;
7111   }
7112
7113   checked_free(level_editor_gadget);
7114   checked_free(right_gadget_border);
7115
7116   checked_free(editor_el_empty);
7117 }
7118
7119 static void MapCounterButtons(int id)
7120 {
7121   int font_nr = FONT_TEXT_1;
7122   int font_height = getFontHeight(font_nr);
7123   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7124   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7125   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7126   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7127   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7128   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7129   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7130   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7131   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7132   int yoffset = (gi_down->height - font_height) / 2;
7133   int x_left = gi_down->x - xoffset_left;
7134   int x_right;  /* set after gadget position was modified */
7135   int y_above = gi_down->y - yoffset_above;
7136   int x = gi_down->x;
7137   int y;        /* set after gadget position was modified */
7138
7139   /* counter limits must be changed first to prevent value truncation */
7140   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7141                             counterbutton_info[id].max_value);
7142
7143   /* right text position might have changed after setting position above */
7144   x_right = gi_up->x + gi_up->width + xoffset_right;
7145
7146   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7147
7148   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7149   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7150       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7151   {
7152     ModifyGadget(gi_down, GDI_Y,
7153                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7154     ModifyGadget(gi_text, GDI_Y,
7155                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7156     ModifyGadget(gi_up,   GDI_Y,
7157                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7158   }
7159
7160   /* vertical position might have changed after setting position above */
7161   y = gi_up->y + yoffset;
7162
7163   if (counterbutton_info[id].text_above)
7164     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7165
7166   if (counterbutton_info[id].text_left)
7167     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7168
7169   if (counterbutton_info[id].text_right)
7170     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7171
7172   MapGadget(gi_down);
7173   MapGadget(gi_text);
7174   MapGadget(gi_up);
7175 }
7176
7177 static void MapControlButtons()
7178 {
7179   int counter_id;
7180   int i;
7181
7182   /* map toolbox buttons (excluding special CE toolbox buttons) */
7183   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7184     MapGadget(level_editor_gadget[i]);
7185
7186   /* map toolbox buttons (element properties buttons) */
7187   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7188     MapGadget(level_editor_gadget[i]);
7189
7190   if (use_permanent_palette)
7191   {
7192     /* map buttons to select elements */
7193     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7194       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7195     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7196     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7197     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7198   }
7199
7200   /* map buttons to select level */
7201   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7202   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7203   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7204   MapCounterButtons(counter_id);
7205 }
7206
7207 static void MapDrawingArea(int id)
7208 {
7209   int font_nr = FONT_TEXT_1;
7210   int font_height = getFontHeight(font_nr);
7211   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7212   int area_xsize = gi->drawing.area_xsize;
7213   int area_ysize = gi->drawing.area_ysize;
7214   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7215   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7216   int x_left  = gi->x - xoffset_left;
7217   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7218   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7219   int y_side  = gi->y + (gi->height - font_height) / 2;
7220   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7221
7222   if (drawingarea_info[id].text_left)
7223     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7224
7225   if (drawingarea_info[id].text_right)
7226     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7227
7228   if (drawingarea_info[id].text_below)
7229     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7230
7231   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7232   {
7233     DrawElementBorder(gi->x, gi->y,
7234                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7235                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7236
7237     DrawDrawingArea(id);
7238   }
7239
7240   MapGadget(gi);
7241 }
7242
7243 static void MapTextInputGadget(int id)
7244 {
7245   int font_nr = FONT_TEXT_1;
7246   int font_height = getFontHeight(font_nr);
7247   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7248   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7249   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7250   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7251
7252   if (textinput_info[id].text_above)
7253     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7254
7255   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7256
7257   MapGadget(gi);
7258 }
7259
7260 static void MapTextAreaGadget(int id)
7261 {
7262   int font_nr = FONT_TEXT_1;
7263   int font_height = getFontHeight(font_nr);
7264   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7265   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7266   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7267   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7268
7269   if (textarea_info[id].text_above)
7270     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7271
7272   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7273
7274   MapGadget(gi);
7275 }
7276
7277 static void MapSelectboxGadget(int id)
7278 {
7279   int font_nr = FONT_TEXT_1;
7280   int font_height = getFontHeight(font_nr);
7281   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7282   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7283   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7284   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7285   int yoffset = (gi->height - font_height) / 2;
7286   int x_left = gi->x - xoffset_left;
7287   int x_right = gi->x + gi->width + xoffset_right;
7288   int y_above = gi->y - yoffset_above;
7289   int x = gi->x;
7290   int y = gi->y + yoffset;
7291
7292   if (selectbox_info[id].text_above)
7293     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7294
7295   if (selectbox_info[id].text_left)
7296     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7297
7298   if (selectbox_info[id].text_right)
7299     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7300
7301   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7302
7303   MapGadget(gi);
7304 }
7305
7306 static void MapTextbuttonGadget(int id)
7307 {
7308   int font_nr = FONT_TEXT_1;
7309   int font_height = getFontHeight(font_nr);
7310   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7311   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7312   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7313   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7314   int yoffset = (gi->height - font_height) / 2;
7315   int x_left = gi->x - xoffset_left;
7316   int x_right = gi->x + gi->width + xoffset_right;
7317   int y_above = gi->y - yoffset_above;
7318   int x = gi->x;
7319   int y = gi->y + yoffset;
7320
7321   /* only show button to delete change pages when more than minimum pages */
7322   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7323       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7324     return;
7325
7326   if (textbutton_info[id].text_above)
7327     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7328
7329   if (textbutton_info[id].text_left)
7330     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7331
7332   if (textbutton_info[id].text_right)
7333     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7334
7335   MapGadget(gi);
7336 }
7337
7338 static void MapGraphicbuttonGadget(int id)
7339 {
7340   int font_nr = FONT_TEXT_1;
7341   int font_height = getFontHeight(font_nr);
7342   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7343   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7344   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7345   int yoffset = (gi->height - font_height) / 2;
7346   int x_left = gi->x - xoffset_left;
7347   int x_right = gi->x + gi->width + xoffset_right;
7348   int y = gi->y + yoffset;
7349
7350   if (graphicbutton_info[id].text_left)
7351     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7352
7353   if (graphicbutton_info[id].text_right)
7354     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7355
7356   MapGadget(gi);
7357 }
7358
7359 static void MapRadiobuttonGadget(int id)
7360 {
7361   int font_nr = FONT_TEXT_1;
7362   int font_height = getFontHeight(font_nr);
7363   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7364   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7365   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7366   int yoffset = (gi->height - font_height) / 2;
7367   int x_left = gi->x - xoffset_left;
7368   int x_right = gi->x + gi->width + xoffset_right;
7369   int y = gi->y + yoffset;
7370   boolean checked =
7371     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7372
7373   if (radiobutton_info[id].text_left)
7374     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7375
7376   if (radiobutton_info[id].text_right)
7377     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7378
7379   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7380
7381   MapGadget(gi);
7382 }
7383
7384 static void MapCheckbuttonGadget(int id)
7385 {
7386   int font_nr = FONT_TEXT_1;
7387   int font_height = getFontHeight(font_nr);
7388   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7389   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7390   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7391   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7392   int yoffset = (gi->height - font_height) / 2;
7393   int y_above = gi->y - yoffset_above;
7394   int x = gi->x;
7395   int x_left, x_right, y;       /* set after gadget position was modified */
7396
7397   /* set position for gadgets with dynamically determined position */
7398   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7399     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7400   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7401
7402   x_left = gi->x - xoffset_left;
7403   x_right = gi->x + gi->width + xoffset_right;
7404   y = gi->y + yoffset;
7405
7406   if (checkbutton_info[id].text_above)
7407     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7408
7409   if (checkbutton_info[id].text_left)
7410     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7411
7412   if (checkbutton_info[id].text_right)
7413     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7414
7415   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7416
7417   MapGadget(gi);
7418 }
7419
7420 static void MapMainDrawingArea()
7421 {
7422   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7423   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7424   int i;
7425
7426   if (suppressBorderElement())
7427   {
7428     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7429     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7430   }
7431
7432   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7433   {
7434     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7435           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7436          no_horizontal_scrollbar) ||
7437         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7438           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7439          no_vertical_scrollbar))
7440       continue;
7441
7442     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7443   }
7444
7445   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7446   {
7447     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7448         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7449       continue;
7450
7451     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7452   }
7453
7454   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7455 }
7456
7457 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7458 {
7459   int i;
7460
7461   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7462   {
7463     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7464         i == GADGET_ID_CUSTOM_COPY_TO ||
7465         i == GADGET_ID_CUSTOM_EXCHANGE ||
7466         i == GADGET_ID_CUSTOM_COPY ||
7467         i == GADGET_ID_CUSTOM_PASTE)
7468     {
7469       if (map)
7470         MapGadget(level_editor_gadget[i]);
7471       else
7472         UnmapGadget(level_editor_gadget[i]);
7473     }
7474   }
7475 }
7476
7477 static void MapLevelEditorToolboxCustomGadgets()
7478 {
7479   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7480 }
7481
7482 static void UnmapLevelEditorToolboxCustomGadgets()
7483 {
7484   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7485 }
7486
7487 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7488 {
7489   int i;
7490
7491   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7492   {
7493     if (i != GADGET_ID_SINGLE_ITEMS &&
7494         i != GADGET_ID_PICK_ELEMENT)
7495     {
7496       struct GadgetInfo *gi = level_editor_gadget[i];
7497
7498       if (map)
7499       {
7500         MapGadget(gi);
7501       }
7502       else
7503       {
7504         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7505         struct GraphicInfo *gd = &graphic_info[graphic];
7506
7507         UnmapGadget(gi);
7508
7509         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7510                    gi->width, gi->height, gi->x, gi->y);
7511
7512         redraw_mask |= REDRAW_DOOR_3;
7513       }
7514     }
7515   }
7516 }
7517
7518 static void MapLevelEditorToolboxDrawingGadgets()
7519 {
7520   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7521 }
7522
7523 static void UnmapLevelEditorToolboxDrawingGadgets()
7524 {
7525   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7526 }
7527
7528 static void UnmapDrawingArea(int id)
7529 {
7530   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7531 }
7532
7533 static void UnmapLevelEditorFieldGadgets()
7534 {
7535   int i;
7536
7537   for (i = 0; i < num_editor_gadgets; i++)
7538     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7539                           level_editor_gadget[i]->y))
7540       UnmapGadget(level_editor_gadget[i]);
7541 }
7542
7543 void UnmapLevelEditorGadgets()
7544 {
7545   int i;
7546
7547   for (i = 0; i < num_editor_gadgets; i++)
7548     UnmapGadget(level_editor_gadget[i]);
7549 }
7550
7551 static void ResetUndoBuffer()
7552 {
7553   undo_buffer_position = -1;
7554   undo_buffer_steps = -1;
7555   redo_buffer_steps = 0;
7556
7557   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7558
7559   level.changed = FALSE;
7560 }
7561
7562 static void DrawEditModeWindow()
7563 {
7564   ModifyEditorElementList();
7565   RedrawDrawingElements();
7566
7567   if (edit_mode == ED_MODE_INFO)
7568     DrawLevelInfoWindow();
7569   else if (edit_mode == ED_MODE_PROPERTIES)
7570     DrawPropertiesWindow();
7571   else if (edit_mode == ED_MODE_PALETTE)
7572     DrawPaletteWindow();
7573   else  /* edit_mode == ED_MODE_DRAWING */
7574     DrawDrawingWindow();
7575 }
7576
7577 static void ChangeEditModeWindow(int new_edit_mode)
7578 {
7579   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7580
7581   DrawEditModeWindow();
7582 }
7583
7584 static boolean LevelChanged()
7585 {
7586   boolean field_changed = FALSE;
7587   int x, y;
7588
7589   for (y = 0; y < lev_fieldy; y++)
7590     for (x = 0; x < lev_fieldx; x++)
7591       if (Feld[x][y] != level.field[x][y])
7592         field_changed = TRUE;
7593
7594   return (level.changed || field_changed);
7595 }
7596
7597 static boolean PrepareSavingIntoPersonalLevelSet()
7598 {
7599   static LevelDirTree *last_copied_leveldir = NULL;
7600   static LevelDirTree *last_written_leveldir = NULL;
7601   static int last_copied_level_nr = -1;
7602   static int last_written_level_nr = -1;
7603   LevelDirTree *leveldir_former = leveldir_current;
7604   int level_nr_former = level_nr;
7605   int new_level_nr;
7606
7607   // remember last mod/save so that for current session, we write
7608   // back to the same personal copy, asking only about overwrite.
7609   if (leveldir_current == last_copied_leveldir &&
7610       level_nr == last_copied_level_nr)
7611   {
7612     // "cd" to personal level set dir (as used when writing last copy)
7613     leveldir_current = last_written_leveldir;
7614     level_nr = last_written_level_nr;
7615
7616     return TRUE;
7617   }
7618
7619   if (!Request("This level is read only! "
7620                "Save into personal level set?", REQ_ASK))
7621     return FALSE;
7622
7623   // "cd" to personal level set dir (for writing copy the first time)
7624   leveldir_current =
7625     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7626
7627   // find unused level number
7628   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7629   {
7630     static char *level_filename = NULL;
7631
7632     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7633
7634     if (!fileExists(level_filename))
7635       break;
7636   }
7637
7638   last_copied_leveldir = leveldir_former;
7639   last_copied_level_nr = level_nr_former;
7640
7641   last_written_leveldir = leveldir_current;
7642   last_written_level_nr = level_nr = new_level_nr;
7643
7644   return TRUE;
7645 }
7646
7647 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7648 {
7649   static char *filename_levelinfo = NULL, *mod_name = NULL;
7650   FILE *file;
7651
7652   // annotate this copy-and-mod in personal levelinfo.conf
7653   setString(&filename_levelinfo,
7654             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7655
7656   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7657   {
7658     fprintf(file, "\n");
7659     fprintf(file, "# level %d was modified from:\n", level_nr);
7660     fprintf(file, "# - previous level set name:    %s\n",
7661             former_name);
7662     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7663             level.file_info.nr, level.name);
7664     fprintf(file, "# - previous author:            %s\n",
7665             level.author);
7666     fprintf(file, "# - previous save date:         ");
7667
7668     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7669     {
7670       fprintf(file, "%04d-%02d-%02d\n",
7671               level.creation_date.year,
7672               level.creation_date.month,
7673               level.creation_date.day);
7674     }
7675     else
7676     {
7677       fprintf(file, "not recorded\n");
7678     }
7679
7680     fclose(file);
7681   }
7682
7683   if (level_nr > leveldir_current->last_level)
7684     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7685
7686   // else: allow the save even if annotation failed
7687
7688   // now... spray graffiti on the old level vital statistics
7689   // user can change these; just trying to set a good baseline
7690
7691   // don't truncate names for fear of making offensive or silly:
7692   // long-named original author only recorded in levelinfo.conf.
7693   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7694   if (!strEqual(level.author, leveldir_current->author))
7695   {
7696     setString(&mod_name, getStringCat3(leveldir_current->author,
7697                                        " after ", level.author));
7698
7699     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7700       setString(&mod_name,
7701                 getStringCat2(leveldir_current->author, " (ed.)"));
7702
7703     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7704       setString(&mod_name, leveldir_current->author);
7705
7706     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7707
7708     // less worried about truncation here
7709     setString(&mod_name, getStringCat2("Mod: ", level.name));
7710     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7711   }
7712 }
7713
7714 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7715                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7716 {
7717   int x, y;
7718
7719   for (x = 0; x < lev_fieldx; x++)
7720     for (y = 0; y < lev_fieldy; y++)
7721       dst[x][y] = src[x][y];
7722 }
7723
7724 static int setSelectboxValue(int selectbox_id, int new_value)
7725 {
7726   int new_index_value = 0;
7727   int i;
7728
7729   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7730     if (selectbox_info[selectbox_id].options[i].value == new_value)
7731       new_index_value = i;
7732
7733   *selectbox_info[selectbox_id].value =
7734     selectbox_info[selectbox_id].options[new_index_value].value;
7735
7736   return new_index_value;
7737 }
7738
7739 static void setSelectboxSpecialActionVariablesIfNeeded()
7740 {
7741   int i;
7742
7743   /* change action mode and arg variables according to action type variable */
7744   for (i = 0; action_arg_options[i].value != -1; i++)
7745   {
7746     if (action_arg_options[i].value == custom_element_change.action_type)
7747     {
7748       int mode = action_arg_options[i].mode;
7749
7750       /* only change if corresponding selectbox has changed */
7751       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7752           action_arg_modes[mode])
7753         custom_element_change.action_mode = -1;
7754
7755       /* only change if corresponding selectbox has changed */
7756       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7757           action_arg_options[i].options)
7758         custom_element_change.action_arg = -1;
7759
7760       break;
7761     }
7762   }
7763 }
7764
7765 static void setSelectboxSpecialActionOptions()
7766 {
7767   int i;
7768
7769   /* change action mode and arg selectbox according to action type selectbox */
7770   for (i = 0; action_arg_options[i].value != -1; i++)
7771   {
7772     if (action_arg_options[i].value == custom_element_change.action_type)
7773     {
7774       int mode = action_arg_options[i].mode;
7775
7776       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7777                                    action_arg_modes[mode]);
7778       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7779                                  custom_element_change.action_mode);
7780
7781       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7782                                    action_arg_options[i].options);
7783       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7784                                  custom_element_change.action_arg);
7785       break;
7786     }
7787   }
7788 }
7789
7790 static void copy_custom_element_settings(int element_from, int element_to)
7791 {
7792   struct ElementInfo *ei_from = &element_info[element_from];
7793   struct ElementInfo *ei_to = &element_info[element_to];
7794
7795   copyElementInfo(ei_from, ei_to);
7796 }
7797
7798 static void replace_custom_element_in_settings(int element_from,
7799                                                int element_to)
7800 {
7801   int i, j, x, y;
7802
7803   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7804   {
7805     struct ElementInfo *ei = &element_info[i];
7806
7807     for (y = 0; y < 3; y++)
7808       for (x = 0; x < 3; x++)
7809         if (ei->content.e[x][y] == element_from)
7810           ei->content.e[x][y] = element_to;
7811
7812     for (j = 0; j < ei->num_change_pages; j++)
7813     {
7814       struct ElementChangeInfo *change = &ei->change_page[j];
7815
7816       if (change->target_element == element_from)
7817         change->target_element = element_to;
7818
7819       if (change->initial_trigger_element == element_from)
7820         change->initial_trigger_element = element_to;
7821
7822       if (change->action_element == element_from)
7823         change->action_element = element_to;
7824
7825       for (y = 0; y < 3; y++)
7826         for (x = 0; x < 3; x++)
7827           if (change->target_content.e[x][y] == element_from)
7828             change->target_content.e[x][y] = element_to;
7829     }
7830
7831     if (ei->group != NULL)                              /* group or internal */
7832       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7833         if (ei->group->element[j] == element_from)
7834           ei->group->element[j] = element_to;
7835   }
7836 }
7837
7838 static void replace_custom_element_in_playfield(int element_from,
7839                                                 int element_to)
7840 {
7841   int x, y;
7842
7843   for (x = 0; x < lev_fieldx; x++)
7844     for (y = 0; y < lev_fieldy; y++)
7845       if (Feld[x][y] == element_from)
7846         Feld[x][y] = element_to;
7847 }
7848
7849 static boolean CopyCustomElement(int element_old, int element_new,
7850                                  int copy_mode)
7851 {
7852   int copy_mode_orig = copy_mode;
7853
7854   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7855   {
7856     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7857                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7858     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7859   }
7860   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7861   {
7862     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7863                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7864     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7865
7866     level.changed = TRUE;
7867   }
7868   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7869   {
7870     Request("Please choose custom element!", REQ_CONFIRM);
7871
7872     return FALSE;
7873   }
7874   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7875   {
7876     Request("Please choose group element!", REQ_CONFIRM);
7877
7878     return FALSE;
7879   }
7880   else
7881   {
7882     level.changed = TRUE;
7883   }
7884
7885   /* when modifying custom/group element, ask for copying level template */
7886   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7887   {
7888     if (!AskToCopyAndModifyLevelTemplate())
7889       return FALSE;
7890   }
7891
7892   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7893   {
7894     copy_custom_element_settings(element_new, element_old);
7895   }
7896   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7897   {
7898     copy_custom_element_settings(element_old, element_new);
7899   }
7900   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7901   {
7902     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7903     copy_custom_element_settings(element_new, element_old);
7904     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7905
7906     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7907     replace_custom_element_in_settings(element_new, element_old);
7908     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7909
7910     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7911     replace_custom_element_in_playfield(element_new, element_old);
7912     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7913   }
7914
7915   UpdateCustomElementGraphicGadgets();
7916   DrawPropertiesWindow();
7917
7918   return TRUE;
7919 }
7920
7921 static void CopyCustomElementPropertiesToEditor(int element)
7922 {
7923   int i;
7924   int current_change_page = element_info[element].current_change_page;
7925
7926   /* dynamically (re)build selectbox for selecting change page */
7927   for (i = 0; i < element_info[element].num_change_pages; i++)
7928   {
7929     sprintf(options_change_page_strings[i], "%d", i + 1);
7930
7931     options_change_page[i].value = i;
7932     options_change_page[i].text = options_change_page_strings[i];
7933   }
7934
7935   options_change_page[i].value = -1;
7936   options_change_page[i].text = NULL;
7937
7938   /* needed here to initialize combined element properties */
7939   InitElementPropertiesEngine(level.game_version);
7940
7941   element_info[element].change =
7942     &element_info[element].change_page[current_change_page];
7943
7944   custom_element = element_info[element];
7945   custom_element_change = *element_info[element].change;
7946
7947   /* needed to initially set selectbox options for special action options */
7948   setSelectboxSpecialActionOptions();
7949
7950   /* needed to initially set selectbox value variables to reliable defaults */
7951   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7952     setSelectboxValue(i, *selectbox_info[i].value);
7953
7954   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7955     custom_element_properties[i] = HAS_PROPERTY(element, i);
7956
7957   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7958     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7959
7960   /* ---------- element settings: configure (custom elements) ------------- */
7961
7962   /* set accessible layer selectbox help value */
7963   custom_element.access_type =
7964     (IS_WALKABLE(element) ? EP_WALKABLE :
7965      IS_PASSABLE(element) ? EP_PASSABLE :
7966      custom_element.access_type);
7967   custom_element.access_layer =
7968     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7969      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7970      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7971      custom_element.access_layer);
7972   custom_element.access_protected =
7973     (IS_PROTECTED(element) ? 1 : 0);
7974   custom_element_properties[EP_ACCESSIBLE] =
7975     (IS_ACCESSIBLE_OVER(element) ||
7976      IS_ACCESSIBLE_INSIDE(element) ||
7977      IS_ACCESSIBLE_UNDER(element));
7978
7979   /* set walk-to-object action selectbox help value */
7980   custom_element.walk_to_action =
7981     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7982      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7983      IS_DROPPABLE(element) ? EP_DROPPABLE :
7984      IS_THROWABLE(element) ? EP_THROWABLE :
7985      IS_PUSHABLE(element) ? EP_PUSHABLE :
7986      custom_element.walk_to_action);
7987   custom_element_properties[EP_WALK_TO_OBJECT] =
7988     (IS_DIGGABLE(element) ||
7989      IS_COLLECTIBLE_ONLY(element) ||
7990      IS_DROPPABLE(element) ||
7991      IS_THROWABLE(element) ||
7992      IS_PUSHABLE(element));
7993
7994   /* set smash targets selectbox help value */
7995   custom_element.smash_targets =
7996     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7997      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7998      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7999      custom_element.smash_targets);
8000   custom_element_properties[EP_CAN_SMASH] =
8001     (CAN_SMASH_EVERYTHING(element) ||
8002      CAN_SMASH_ENEMIES(element) ||
8003      CAN_SMASH_PLAYER(element));
8004
8005   /* set deadliness selectbox help value */
8006   custom_element.deadliness =
8007     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8008      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8009      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8010      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8011      custom_element.deadliness);
8012   custom_element_properties[EP_DEADLY] =
8013     (DONT_TOUCH(element) ||
8014      DONT_GET_HIT_BY(element) ||
8015      DONT_COLLIDE_WITH(element) ||
8016      DONT_RUN_INTO(element));
8017
8018   /* ---------- element settings: advanced (custom elements) --------------- */
8019
8020   /* set "change by direct action" selectbox help value */
8021   custom_element_change.direct_action =
8022     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8023      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8024      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8025      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8026      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8027      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8028      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8029      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8030      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8031      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8032      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8033      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8034      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8035      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8036      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8037      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8038      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8039      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8040      custom_element_change.direct_action);
8041
8042   /* set "change by other element action" selectbox help value */
8043   custom_element_change.other_action =
8044     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8045      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8046      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8047      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8048      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8049      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8050      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8051      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8052      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8053      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8054      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8055      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8056      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8057      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8058      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8059      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8060      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8061      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8062      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8063      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8064      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8065      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8066      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8067      custom_element_change.other_action);
8068 }
8069
8070 static void CopyGroupElementPropertiesToEditor(int element)
8071 {
8072   group_element_info = *element_info[element].group;
8073   custom_element = element_info[element];       /* needed for description */
8074 }
8075
8076 static void CopyClassicElementPropertiesToEditor(int element)
8077 {
8078   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8079     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8080       getMoveIntoAcidProperty(&level, element);
8081
8082   if (MAYBE_DONT_COLLIDE_WITH(element))
8083     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8084       getDontCollideWithProperty(&level, element);
8085 }
8086
8087 static void CopyElementPropertiesToEditor(int element)
8088 {
8089   if (IS_CUSTOM_ELEMENT(element))
8090     CopyCustomElementPropertiesToEditor(element);
8091   else if (IS_GROUP_ELEMENT(element))
8092     CopyGroupElementPropertiesToEditor(element);
8093   else
8094     CopyClassicElementPropertiesToEditor(element);
8095 }
8096
8097 static boolean AskToCopyAndModifyLevelTemplate()
8098 {
8099   if (Request("Copy and modify settings from level template?", REQ_ASK))
8100   {
8101     level.use_custom_template = FALSE;
8102
8103     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8104                  GDI_CHECKED, FALSE, GDI_END);
8105     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8106                  GDI_CHECKED, FALSE, GDI_END);
8107
8108     return TRUE;
8109   }
8110   else
8111   {
8112     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8113
8114     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8115
8116     return FALSE;
8117   }
8118 }
8119
8120 static void CopyCustomElementPropertiesToGame(int element)
8121 {
8122   int i;
8123   int access_type_and_layer;
8124
8125   /* mark that this custom element has been modified */
8126   custom_element.modified_settings = TRUE;
8127   level.changed = TRUE;
8128
8129   if (level.use_custom_template)
8130     AskToCopyAndModifyLevelTemplate();
8131
8132   element_info[element] = custom_element;
8133   *element_info[element].change = custom_element_change;
8134
8135   /* ---------- element settings: configure (custom elements) ------------- */
8136
8137   /* set accessible property from checkbox and selectbox */
8138   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8139   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8140   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8141   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8142   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8143   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8144   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8145                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8146                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8147   custom_element_properties[access_type_and_layer] =
8148     custom_element_properties[EP_ACCESSIBLE];
8149   custom_element_properties[EP_PROTECTED] =
8150     (custom_element.access_protected != 0 &&
8151      custom_element_properties[EP_ACCESSIBLE]);
8152
8153   /* set walk-to-object property from checkbox and selectbox */
8154   custom_element_properties[EP_DIGGABLE] = FALSE;
8155   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8156   custom_element_properties[EP_DROPPABLE] = FALSE;
8157   custom_element_properties[EP_THROWABLE] = FALSE;
8158   custom_element_properties[EP_PUSHABLE] = FALSE;
8159   custom_element_properties[custom_element.walk_to_action] =
8160     custom_element_properties[EP_WALK_TO_OBJECT];
8161
8162   /* set smash property from checkbox and selectbox */
8163   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8164   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8165   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8166   custom_element_properties[custom_element.smash_targets] =
8167     custom_element_properties[EP_CAN_SMASH];
8168
8169   /* set deadliness property from checkbox and selectbox */
8170   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8171   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8172   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8173   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8174   custom_element_properties[custom_element.deadliness] =
8175     custom_element_properties[EP_DEADLY];
8176
8177   /* ---------- element settings: advanced (custom elements) --------------- */
8178
8179   /* set player change event from checkbox and selectbox */
8180   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8181   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8182   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8183   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8184   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8185   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8186   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8187   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8188   custom_element_change_events[CE_SWITCHED] = FALSE;
8189   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8190   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8191   custom_element_change_events[CE_BLOCKED] = FALSE;
8192   custom_element_change_events[CE_IMPACT] = FALSE;
8193   custom_element_change_events[CE_SMASHED] = FALSE;
8194   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8195   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8196   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8197   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8198   custom_element_change_events[custom_element_change.direct_action] =
8199     custom_element_change_events[CE_BY_DIRECT_ACTION];
8200
8201   /* set other element action change event from checkbox and selectbox */
8202   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8203   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8204   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8205   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8206   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8207   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8208   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8209   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8210   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8211   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8212   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8213   custom_element_change_events[CE_HITTING_X] = FALSE;
8214   custom_element_change_events[CE_DIGGING_X] = FALSE;
8215   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8216   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8217   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8218   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8219   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8220   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8221   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8222   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8223   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8224   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8225   custom_element_change_events[custom_element_change.other_action] =
8226     custom_element_change_events[CE_BY_OTHER_ACTION];
8227
8228   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8229     SET_PROPERTY(element, i, custom_element_properties[i]);
8230
8231   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8232     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8233
8234   /* copy change events also to special level editor variable */
8235   custom_element = element_info[element];
8236   custom_element_change = *element_info[element].change;
8237 }
8238
8239 static void CopyGroupElementPropertiesToGame(int element)
8240 {
8241   /* mark that this group element has been modified */
8242   custom_element.modified_settings = TRUE;
8243   level.changed = TRUE;
8244
8245   if (level.use_custom_template)
8246     AskToCopyAndModifyLevelTemplate();
8247
8248   element_info[element] = custom_element;
8249   *element_info[element].group = group_element_info;
8250 }
8251
8252 static void CopyClassicElementPropertiesToGame(int element)
8253 {
8254   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8255     setMoveIntoAcidProperty(&level, element,
8256                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8257
8258   if (MAYBE_DONT_COLLIDE_WITH(element))
8259     setDontCollideWithProperty(&level, element,
8260                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8261 }
8262
8263 static void CopyElementPropertiesToGame(int element)
8264 {
8265   if (IS_CUSTOM_ELEMENT(element))
8266     CopyCustomElementPropertiesToGame(element);
8267   else if (IS_GROUP_ELEMENT(element))
8268     CopyGroupElementPropertiesToGame(element);
8269   else
8270     CopyClassicElementPropertiesToGame(element);
8271 }
8272
8273 void CheckElementDescriptions()
8274 {
8275   int i;
8276
8277   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8278     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8279       Error(ERR_WARN, "no element description file for element '%s'",
8280             EL_NAME(i));
8281 }
8282
8283 static int getMaxEdFieldX(boolean has_scrollbar)
8284 {
8285   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8286   int sxsize = SXSIZE - scrollbar_width;
8287   int max_ed_fieldx = sxsize / ed_tilesize;
8288
8289   return max_ed_fieldx;
8290 }
8291
8292 static int getMaxEdFieldY(boolean has_scrollbar)
8293 {
8294   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8295                          INFOTEXT_YSIZE_FULL : 0);
8296   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8297   int sysize = SYSIZE - scrollbar_height - infotext_height;
8298   int max_ed_fieldy = sysize / ed_tilesize;
8299
8300   return max_ed_fieldy;
8301 }
8302
8303 void InitZoomLevelSettings(int zoom_tilesize)
8304 {
8305   if (zoom_tilesize == -1)
8306   {
8307     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8308     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8309
8310     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8311     {
8312       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8313       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8314     }
8315   }
8316
8317   // limit zoom tilesize by upper and lower bound
8318   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8319
8320   // store zoom tilesize in auto setup file only if it was manually changed
8321   if (zoom_tilesize != -1)
8322     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8323
8324   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8325   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8326 }
8327
8328 static void InitDrawingElements()
8329 {
8330   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8331
8332   if (level.game_engine_type == game_engine_type_last)
8333     return;
8334
8335   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8336   {
8337     new_element1 = EL_SP_CHIP_SINGLE;
8338     new_element2 = EL_EMPTY;
8339     new_element3 = EL_SP_BASE;
8340   }
8341   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8342   {
8343     new_element1 = EL_MM_MIRROR_START;
8344     new_element2 = EL_EMPTY;
8345     new_element3 = EL_MM_WOODEN_WALL;
8346   }
8347   else
8348   {
8349     new_element1 = EL_WALL;
8350     new_element2 = EL_EMPTY;
8351     new_element3 = EL_SAND;
8352   }
8353
8354   game_engine_type_last = level.game_engine_type;
8355 }
8356
8357 static void InitLevelSetInfo()
8358 {
8359   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8360            "%s", leveldir_current->name);
8361   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8362            "%s", leveldir_current->author);
8363
8364   levelset_num_levels = leveldir_current->levels;
8365
8366   levelset_use_levelset_artwork = FALSE;
8367   levelset_copy_level_template = FALSE;
8368
8369   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8370 }
8371
8372 static void ChangeEditorToLevelSet(char *levelset_subdir)
8373 {
8374   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8375
8376   // the previous level set might have used custom artwork
8377   ReloadCustomArtwork(0);
8378
8379   LoadLevelSetup_SeriesInfo();
8380
8381   SaveLevelSetup_LastSeries();
8382   SaveLevelSetup_SeriesInfo();
8383
8384   TapeErase();
8385
8386   LoadLevel(level_nr);
8387   LoadScore(level_nr);
8388
8389   DrawLevelEd();
8390 }
8391
8392 static boolean useEditorDoorAnimation()
8393 {
8394   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8395   boolean door_1_viewport_unchanged =
8396     (vp_door_1->x      == DX     &&
8397      vp_door_1->y      == DY     &&
8398      vp_door_1->width  == DXSIZE &&
8399      vp_door_1->height == DYSIZE);
8400   boolean door_1_contains_toolbox =
8401     (EX >= DX &&
8402      EY >= DY &&
8403      EX + EXSIZE <= DX + DXSIZE &&
8404      EY + EYSIZE <= DY + DYSIZE);
8405
8406   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8407 }
8408
8409 void DrawEditorDoorContent()
8410 {
8411   /* needed for gadgets drawn on background (like palette scrollbar) */
8412   SetDoorBackgroundImage(IMG_UNDEFINED);
8413
8414   /* copy default editor door content to main double buffer */
8415   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8416              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8417              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8418              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8419              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8420              DX, DY);
8421
8422   /* draw bigger door */
8423   DrawSpecialEditorDoor();
8424
8425   /* draw new control window */
8426   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8427              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8428              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8429              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8430              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8431              EX, EY);
8432
8433   /* draw all toolbox gadgets to editor doors */
8434   MapControlButtons();
8435
8436   /* draw all palette gadgets to editor doors */
8437   ModifyEditorElementList();
8438   RedrawDrawingElements();
8439
8440   /* copy actual editor door content to door double buffer for OpenDoor() */
8441   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8442 }
8443
8444 void DrawLevelEd()
8445 {
8446   int fade_mask = REDRAW_FIELD;
8447
8448   FadeSoundsAndMusic();
8449
8450   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8451     fade_mask = REDRAW_ALL;
8452
8453   FadeOut(fade_mask);
8454
8455   /* needed if different viewport properties defined for editor */
8456   ChangeViewportPropertiesIfNeeded();
8457
8458   ClearField();
8459
8460   InitZoomLevelSettings(-1);
8461   InitDrawingElements();
8462   InitLevelSetInfo();
8463
8464 #if DEBUG
8465   CheckElementDescriptions();
8466 #endif
8467
8468   if (level_editor_test_game)
8469   {
8470     CopyPlayfield(level.field, Feld);
8471     CopyPlayfield(FieldBackup, level.field);
8472
8473     level_editor_test_game = FALSE;
8474   }
8475   else
8476   {
8477     edit_mode = ED_MODE_DRAWING;
8478     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8479     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8480
8481     ResetUndoBuffer();
8482
8483     level_xpos = -1;
8484     level_ypos = -1;
8485   }
8486
8487   // redraw_mask |= REDRAW_ALL;
8488
8489   FreeLevelEditorGadgets();
8490   CreateLevelEditorGadgets();
8491
8492   ReinitializeElementList();            /* update dynamic level element list */
8493   ReinitializeElementListButtons();     /* custom element may look different */
8494
8495   InitElementPropertiesGfxElement();
8496
8497   UnmapAllGadgets();
8498
8499   DrawDrawingWindow_PlayfieldOnly();
8500
8501   DrawMaskedBorder(fade_mask);
8502
8503   // use door animation if door 1 viewport is unchanged and contains toolbox
8504   if (useEditorDoorAnimation())
8505   {
8506     FadeIn(fade_mask);
8507
8508     DrawEditorDoorContent();
8509
8510     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8511   }
8512   else
8513   {
8514     DrawEditorDoorContent();
8515
8516     FadeIn(fade_mask);
8517   }
8518
8519   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8520 }
8521
8522 static void AdjustDrawingAreaGadgets()
8523 {
8524   int ed_xsize = lev_fieldx + 2;
8525   int ed_ysize = lev_fieldy + 2;
8526   int max_ed_fieldx = MAX_ED_FIELDX;
8527   int max_ed_fieldy = MAX_ED_FIELDY;
8528   boolean horizontal_scrollbar_needed;
8529   boolean vertical_scrollbar_needed;
8530   int x, y, width, height;
8531
8532   if (suppressBorderElement())
8533   {
8534     ed_xsize = max_ed_fieldx;
8535     ed_ysize = max_ed_fieldy;
8536   }
8537
8538   /* check if we need any scrollbars */
8539   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8540   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8541
8542   /* check if we have a smaller editor field because of scrollbars */
8543   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8544   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8545
8546   /* check again if we now need more scrollbars because of less space */
8547   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8548   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8549
8550   /* check if editor field gets even smaller after adding new scrollbars */
8551   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8552   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8553
8554   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8555   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8556
8557   x = SX + ed_fieldx * ed_tilesize;
8558   y = SY + ed_fieldy * ed_tilesize;
8559
8560   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8561   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8562
8563   /* adjust drawing area gadget */
8564   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8565                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8566                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8567                GDI_END);
8568
8569   /* adjust horizontal scrollbar gadgets */
8570   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8571                GDI_Y, y,
8572                GDI_END);
8573   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8574                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8575                GDI_Y, y,
8576                GDI_END);
8577   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8578                GDI_Y, y,
8579                GDI_WIDTH, width,
8580                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8581                GDI_END);
8582
8583   /* adjust vertical scrollbar gadgets */
8584   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8585                GDI_X, x,
8586                GDI_END);
8587   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8588                GDI_X, x,
8589                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8590                GDI_END);
8591   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8592                GDI_X, x,
8593                GDI_HEIGHT, height,
8594                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8595                GDI_END);
8596 }
8597
8598 static void AdjustLevelScrollPosition()
8599 {
8600   if (level_xpos < -1)
8601     level_xpos = -1;
8602   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8603     level_xpos = lev_fieldx - ed_fieldx + 1;
8604   if (lev_fieldx < ed_fieldx - 2)
8605     level_xpos = -1;
8606
8607   if (level_ypos < -1)
8608     level_ypos = -1;
8609   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8610     level_ypos = lev_fieldy - ed_fieldy + 1;
8611   if (lev_fieldy < ed_fieldy - 2)
8612     level_ypos = -1;
8613
8614   if (suppressBorderElement())
8615   {
8616     level_xpos = 0;
8617     level_ypos = 0;
8618   }
8619 }
8620
8621 static void AdjustEditorScrollbar(int id)
8622 {
8623   struct GadgetInfo *gi = level_editor_gadget[id];
8624   int items_max, items_visible, item_position;
8625
8626   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8627   {
8628     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8629     items_visible = ed_fieldx;
8630     item_position = level_xpos + 1;
8631   }
8632   else
8633   {
8634     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8635     items_visible = ed_fieldy;
8636     item_position = level_ypos + 1;
8637   }
8638
8639   if (item_position > items_max - items_visible)
8640     item_position = items_max - items_visible;
8641
8642   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8643                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8644 }
8645
8646 static void AdjustElementListScrollbar()
8647 {
8648   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8649   int items_max, items_visible, item_position;
8650
8651   /* correct position of element list scrollbar */
8652   if (element_shift < 0)
8653     element_shift = 0;
8654   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8655     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8656
8657   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8658   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8659   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8660
8661   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8662                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8663                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8664 }
8665
8666 static void ModifyEditorCounterValue(int counter_id, int new_value)
8667 {
8668   int *counter_value = counterbutton_info[counter_id].value;
8669   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8670   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8671
8672   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8673
8674   if (counter_value != NULL)
8675     *counter_value = gi->textinput.number_value;
8676 }
8677
8678 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8679 {
8680   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8681   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8682
8683   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8684
8685   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8686       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8687   {
8688     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8689     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8690
8691     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8692     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8693                  GDI_END);
8694   }
8695 }
8696
8697 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8698 {
8699   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8700   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8701   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8702
8703   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8704 }
8705
8706 static void ModifyEditorSelectboxOptions(int selectbox_id,
8707                                          struct ValueTextInfo *options)
8708 {
8709   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8710   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8711
8712   selectbox_info[selectbox_id].options = options;
8713
8714   /* set index to zero -- list may be shorter now (correct later, if needed) */
8715   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8716                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8717 }
8718
8719 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8720 {
8721   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8722   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8723
8724   drawingarea_info[drawingarea_id].area_xsize = xsize;
8725   drawingarea_info[drawingarea_id].area_ysize = ysize;
8726
8727   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8728 }
8729
8730 static void ModifyEditorElementList()
8731 {
8732   int i;
8733
8734   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8735     return;
8736
8737   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8738   {
8739     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8740     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8741     struct GadgetDesign *gd = &gi->deco.design;
8742     int element = editor_elements[element_shift + i];
8743     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8744
8745     UnmapGadget(gi);
8746
8747     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8748
8749     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8750
8751     MapGadget(gi);
8752   }
8753 }
8754
8755 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8756 {
8757   int graphic = el2edimg(element);
8758   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8759
8760   if (pos->x == -1 &&
8761       pos->y == -1)
8762     return;
8763
8764   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8765 }
8766
8767 static void ModifyDrawingElementButton(int element, int id)
8768 {
8769   struct GadgetInfo *gi = level_editor_gadget[id];
8770   Bitmap *deco_bitmap;
8771   int deco_x, deco_y;
8772   int tile_size = gi->deco.width;
8773
8774   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8775
8776   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8777 }
8778
8779 static void PickDrawingElement(int button, int element)
8780 {
8781   struct
8782   {
8783     int *new_element;
8784     struct XYTileSize *pos;
8785     int id;
8786   } de, drawing_elements[] =
8787   {
8788     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8789     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8790     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8791   };
8792
8793   if (button < 1 || button > 3)
8794     return;
8795
8796   if (IS_MM_WALL(element))
8797     element = map_mm_wall_element(element);
8798
8799   de = drawing_elements[button - 1];
8800
8801   *de.new_element = element;    // update global drawing element variable
8802
8803   DrawDrawingElementGraphic(element, de.pos);
8804   ModifyDrawingElementButton(element, de.id);
8805
8806   redraw_mask |= REDRAW_DOOR_1;
8807 }
8808
8809 static void RedrawDrawingElements()
8810 {
8811   PickDrawingElement(1, new_element1);
8812   PickDrawingElement(2, new_element2);
8813   PickDrawingElement(3, new_element3);
8814 }
8815
8816 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8817 {
8818   stick_element_properties_window = FALSE;
8819
8820   SetMainBackgroundImage(IMG_UNDEFINED);
8821   ClearField();
8822
8823   UnmapLevelEditorFieldGadgets();
8824
8825   AdjustDrawingAreaGadgets();
8826   AdjustLevelScrollPosition();
8827   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8828   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8829
8830   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8831
8832   MapMainDrawingArea();
8833
8834   if (remap_toolbox_gadgets)
8835   {
8836     UnmapLevelEditorToolboxCustomGadgets();
8837     MapLevelEditorToolboxDrawingGadgets();
8838   }
8839 }
8840
8841 static void DrawDrawingWindow()
8842 {
8843   DrawDrawingWindowExt(TRUE);
8844 }
8845
8846 static void DrawDrawingWindow_PlayfieldOnly()
8847 {
8848   DrawDrawingWindowExt(FALSE);
8849 }
8850
8851 static int getTabulatorBarWidth()
8852 {
8853   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8854   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8855
8856   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8857 }
8858
8859 static int getTabulatorBarHeight()
8860 {
8861   return ED_TAB_BAR_HEIGHT;
8862 }
8863
8864 static Pixel getTabulatorBarColor()
8865 {
8866   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8867   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8868   int gd_x = gd->x + gd_gi1->border.width / 2;
8869   int gd_y = gd->y + gd_gi1->height - 1;
8870
8871   return GetPixel(gd->bitmap, gd_x, gd_y);
8872 }
8873
8874 static void DrawLevelInfoTabulatorGadgets()
8875 {
8876   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8877   Pixel tab_color = getTabulatorBarColor();
8878   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8879   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8880   int i;
8881
8882   for (i = id_first; i <= id_last; i++)
8883   {
8884     int gadget_id = textbutton_info[i].gadget_id;
8885     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8886     boolean active = (i != edit_mode_levelinfo);
8887
8888     /* draw background line below tabulator button */
8889     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8890
8891     /* draw solid line below inactive tabulator buttons */
8892     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8893       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8894                     ED_GADGET_TINY_DISTANCE, tab_color);
8895
8896     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8897     MapTextbuttonGadget(i);
8898   }
8899
8900   /* draw little border line below tabulator buttons */
8901   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8902     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8903                   ED_GADGET_TINY_DISTANCE,
8904                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8905 }
8906
8907 static void DrawPropertiesTabulatorGadgets()
8908 {
8909   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8910   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8911   int gd_x = gd->x + gd_gi1->border.width / 2;
8912   int gd_y = gd->y + gd_gi1->height - 1;
8913   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8914   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8915   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8916   int i;
8917
8918   /* draw two config tabulators for player elements */
8919   if (ELEM_IS_PLAYER(properties_element))
8920     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8921
8922   /* draw two config and one "change" tabulator for custom elements */
8923   if (IS_CUSTOM_ELEMENT(properties_element))
8924     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8925
8926   for (i = id_first; i <= id_last; i++)
8927   {
8928     int gadget_id = textbutton_info[i].gadget_id;
8929     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8930     boolean active = (i != edit_mode_properties);
8931
8932     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8933     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8934         (ELEM_IS_PLAYER(properties_element) ||
8935          IS_CUSTOM_ELEMENT(properties_element)))
8936       continue;
8937
8938     /* draw background line below tabulator button */
8939     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8940
8941     /* draw solid line below inactive tabulator buttons */
8942     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8943       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8944                     ED_GADGET_TINY_DISTANCE, tab_color);
8945
8946     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8947     MapTextbuttonGadget(i);
8948   }
8949
8950   /* draw little border line below tabulator buttons */
8951   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8952     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8953                   ED_GADGET_TINY_DISTANCE,
8954                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8955 }
8956
8957 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8958 {
8959   DrawText(SX + xpos, SY + ypos, text, font_nr);
8960 }
8961
8962 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8963                                            int xpos, int ypos)
8964 {
8965   int font_width = getFontWidth(font_nr);
8966   int font_height = getFontHeight(font_nr);
8967   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8968   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8969
8970   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8971                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8972                       TRUE, FALSE, FALSE);
8973 }
8974
8975 static void DrawLevelInfoLevel()
8976 {
8977   int i;
8978
8979   /* draw counter gadgets */
8980   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8981     MapCounterButtons(i);
8982
8983   /* draw checkbutton gadgets */
8984   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8985     MapCheckbuttonGadget(i);
8986
8987   /* draw selectbox gadgets */
8988   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8989     MapSelectboxGadget(i);
8990
8991   /* draw text input gadgets */
8992   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8993     MapTextInputGadget(i);
8994 }
8995
8996 static char *getLevelSubdirFromSaveMode(int save_mode)
8997 {
8998   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8999     return getNewUserLevelSubdir();
9000
9001   return leveldir_current->subdir;
9002 }
9003
9004 static void DrawLevelInfoLevelSet_DirectoryInfo()
9005 {
9006   char *directory_text = "Level set directory:";
9007   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9008   int font1_nr = FONT_TEXT_1;
9009   int font2_nr = FONT_TEXT_2;
9010   int font1_height = getFontHeight(font1_nr);
9011   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9012   int x = ED_LEVEL_SETTINGS_X(0);
9013   int y = ED_LEVEL_SETTINGS_Y(6);
9014
9015   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9016   PrintInfoText(directory_name, font2_nr, x, y);
9017 }
9018
9019 static void DrawLevelInfoLevelSet()
9020 {
9021   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9022   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9023   int i;
9024
9025   /* draw counter gadgets */
9026   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9027     MapCounterButtons(i);
9028
9029   /* draw checkbutton gadgets */
9030   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9031   {
9032     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9033         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9034         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9035       continue;
9036
9037     MapCheckbuttonGadget(i);
9038   }
9039
9040   /* draw selectbox gadgets */
9041   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9042     MapSelectboxGadget(i);
9043
9044   /* draw text input gadgets */
9045   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9046     MapTextInputGadget(i);
9047
9048   /* draw textbutton gadgets */
9049   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9050
9051   /* draw info text */
9052   DrawLevelInfoLevelSet_DirectoryInfo();
9053 }
9054
9055 static void DrawLevelInfoEditor()
9056 {
9057   int i;
9058
9059   /* draw counter gadgets */
9060   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9061     MapCounterButtons(i);
9062
9063   /* draw checkbutton gadgets */
9064   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9065     MapCheckbuttonGadget(i);
9066
9067   /* draw radiobutton gadgets */
9068   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9069     MapRadiobuttonGadget(i);
9070
9071   /* draw drawing area */
9072   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9073
9074   /* draw textbutton gadgets */
9075   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9076 }
9077
9078 static void DrawLevelInfoWindow()
9079 {
9080   char *text = "Global Settings";
9081   int font_nr = FONT_TITLE_1;
9082   struct MenuPosInfo *pos = &editor.settings.headline;
9083   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9084   int sy = SY + pos->y;
9085
9086   stick_element_properties_window = FALSE;
9087
9088   SetAutomaticNumberOfGemsNeeded();
9089
9090   UnmapLevelEditorFieldGadgets();
9091
9092   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9093   ClearField();
9094
9095   DrawText(sx, sy, text, font_nr);
9096
9097   DrawLevelInfoTabulatorGadgets();
9098
9099   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9100     DrawLevelInfoLevel();
9101   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9102     DrawLevelInfoLevelSet();
9103   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9104     DrawLevelInfoEditor();
9105 }
9106
9107 static void DrawCustomContentArea()
9108 {
9109   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9110   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9111   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9112   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9113   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9114   int xoffset = ED_GADGET_SPACE_DISTANCE;
9115
9116   /* add distance for potential left text (without drawing area border) */
9117   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9118
9119   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9120
9121   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9122 }
9123
9124 static void DrawCustomChangeContentArea()
9125 {
9126   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9127   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9128   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9129   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9130   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9131   int xoffset = ED_GADGET_SPACE_DISTANCE;
9132
9133   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9134
9135   MapDrawingArea(id);
9136 }
9137
9138 static void RemoveElementContentArea(int id, int font_height)
9139 {
9140   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9141
9142   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9143                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9144                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9145                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9146                  ED_GADGET_TEXT_DISTANCE + font_height);
9147 }
9148
9149 static void DrawYamYamContentAreas()
9150 {
9151   int font_nr = FONT_TEXT_1;
9152   int font_height = getFontHeight(font_nr);
9153   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9154   int yoffset = (tilesize - font_height) / 2;
9155   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9156   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9157   int i;
9158
9159   /* display counter to choose number of element content areas */
9160   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9161
9162   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9163   {
9164     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9165
9166     if (i < level.num_yamyam_contents)
9167     {
9168       MapDrawingArea(id);
9169     }
9170     else
9171     {
9172       UnmapDrawingArea(id);
9173
9174       /* delete content areas in case of reducing number of them */
9175       RemoveElementContentArea(id, font_height);
9176     }
9177   }
9178
9179   DrawText(x, y + 0 * tilesize, "content", font_nr);
9180   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9181   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9182 }
9183
9184 static void DrawMagicBallContentAreas()
9185 {
9186   int font_nr = FONT_TEXT_1;
9187   int font_height = getFontHeight(font_nr);
9188   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9189   int yoffset = (tilesize - font_height) / 2;
9190   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9191   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9192   int i;
9193
9194   /* display counter to choose number of element content areas */
9195   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9196
9197   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9198   {
9199     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9200
9201     if (i < level.num_ball_contents)
9202     {
9203       MapDrawingArea(id);
9204     }
9205     else
9206     {
9207       UnmapDrawingArea(id);
9208
9209       /* delete content areas in case of reducing number of them */
9210       RemoveElementContentArea(id, font_height);
9211     }
9212   }
9213
9214   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9215   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9216   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9217 }
9218
9219 static void DrawAndroidElementArea(int element)
9220 {
9221   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9222   int num_elements = level.num_android_clone_elements;
9223   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9224   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9225   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9226   int xsize = MAX_ANDROID_ELEMENTS;
9227   int ysize = 1;
9228
9229   /* display counter to choose number of element areas */
9230   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9231
9232   if (drawingarea_info[id].text_left != NULL)
9233     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9234
9235   UnmapDrawingArea(id);
9236
9237   ModifyEditorDrawingArea(id, num_elements, 1);
9238
9239   /* delete content areas in case of reducing number of them */
9240   DrawBackground(sx, sy,
9241                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9242                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9243
9244   MapDrawingArea(id);
9245 }
9246
9247 static void DrawGroupElementArea(int element)
9248 {
9249   int id = ED_DRAWING_ID_GROUP_CONTENT;
9250   int num_elements = group_element_info.num_elements;
9251   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9252   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9253   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9254   int xsize = MAX_ELEMENTS_IN_GROUP;
9255   int ysize = 1;
9256
9257   if (drawingarea_info[id].text_left != NULL)
9258     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9259
9260   UnmapDrawingArea(id);
9261
9262   ModifyEditorDrawingArea(id, num_elements, 1);
9263
9264   /* delete content areas in case of reducing number of them */
9265   DrawBackground(sx, sy,
9266                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9267                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9268
9269   MapDrawingArea(id);
9270 }
9271
9272 static void DrawPlayerInitialInventoryArea(int element)
9273 {
9274   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9275   int player_nr = GET_PLAYER_NR(element);
9276   int num_elements = level.initial_inventory_size[player_nr];
9277   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9278   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9279   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9280   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9281   int ysize = 1;
9282
9283   /* determine horizontal position to the right of specified gadget */
9284   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9285     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9286           ED_DRAWINGAREA_TEXT_DISTANCE);
9287
9288   /* determine horizontal offset for leading text */
9289   if (drawingarea_info[id].text_left != NULL)
9290     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9291
9292   UnmapDrawingArea(id);
9293
9294   ModifyEditorDrawingArea(id, num_elements, 1);
9295
9296   /* delete content areas in case of reducing number of them */
9297   DrawBackground(sx, sy,
9298                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9299                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9300
9301   MapDrawingArea(id);
9302 }
9303
9304 static void DrawEnvelopeTextArea(int envelope_nr)
9305 {
9306   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9307   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9308
9309   UnmapGadget(gi);
9310   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9311
9312   if (envelope_nr != -1)
9313     textarea_info[id].value = level.envelope[envelope_nr].text;
9314
9315   ModifyGadget(gi, GDI_AREA_SIZE,
9316                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9317                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9318                GDI_END);
9319
9320   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9321 }
9322
9323 static void DrawPropertiesInfo()
9324 {
9325   static struct
9326   {
9327     int value;
9328     char *text;
9329   }
9330   properties[] =
9331   {
9332     /* configurable properties */
9333
9334     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9335     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9336     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9337     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9338     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9339     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9340     { EP_PROTECTED,             "- player is protected by it"           },
9341
9342     { EP_DIGGABLE,              "- can be digged away"                  },
9343     { EP_COLLECTIBLE,           "- can be collected"                    },
9344     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9345     { EP_THROWABLE,             "- can be thrown after collecting"      },
9346     { EP_PUSHABLE,              "- can be pushed"                       },
9347
9348     { EP_CAN_FALL,              "- can fall"                            },
9349     { EP_CAN_MOVE,              "- can move"                            },
9350
9351     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9352 #if 0
9353     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9354 #endif
9355     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9356
9357     { EP_SLIPPERY,              "- slippery for falling elements"       },
9358     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9359
9360     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9361     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9362     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9363     { EP_DONT_TOUCH,            "- deadly when touching"                },
9364
9365     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9366
9367     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9368     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9369     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9370
9371     { EP_CAN_CHANGE,            "- can change to other element"         },
9372
9373     /* pre-defined properties */
9374     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9375     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9376     { EP_SWITCHABLE,            "- can be switched"                     },
9377 #if 0
9378     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9379 #endif
9380
9381     { -1,                       NULL                                    }
9382   };
9383   char *filename = getElementDescriptionFilename(properties_element);
9384   char *percentage_text = "In this level: ";
9385   char *properties_text = "Standard properties: ";
9386   char *description_text = "Description:";
9387   char *no_description_text = "No description available.";
9388   char *none_text = "None";
9389   float percentage;
9390   int num_elements_in_level;
9391   int num_standard_properties = 0;
9392   int font1_nr = FONT_TEXT_1;
9393   int font2_nr = FONT_TEXT_2;
9394   int font1_width = getFontWidth(font1_nr);
9395   int font1_height = getFontHeight(font1_nr);
9396   int font2_height = getFontHeight(font2_nr);
9397   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9398   int font2_yoffset = (font1_height - font2_height) / 2;
9399   int percentage_text_len = strlen(percentage_text) * font1_width;
9400   int properties_text_len = strlen(properties_text) * font1_width;
9401   int xpos = ED_ELEMENT_SETTINGS_X(0);
9402   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9403   int i, x, y;
9404
9405   if (setup.editor.show_element_token)
9406   {
9407     int font3_nr = FONT_TEXT_3;
9408     int font3_height = getFontHeight(font3_nr);
9409
9410     DrawTextF(xpos, ypos, font3_nr,
9411               "[%s]", element_info[properties_element].token_name);
9412
9413     ypos += 2 * font3_height;
9414   }
9415
9416   /* ----- print number of elements / percentage of this element in level */
9417
9418   num_elements_in_level = 0;
9419   for (y = 0; y < lev_fieldy; y++)
9420     for (x = 0; x < lev_fieldx; x++)
9421       if (Feld[x][y] == properties_element)
9422         num_elements_in_level++;
9423   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9424
9425   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9426
9427   if (num_elements_in_level > 0)
9428     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9429               "%d (%.2f %%)", num_elements_in_level, percentage);
9430   else
9431     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9432               none_text);
9433
9434   ypos += 2 * MAX(font1_height, font2_height);
9435
9436   /* ----- print standard properties of this element */
9437
9438   DrawTextS(xpos, ypos, font1_nr, properties_text);
9439
9440   ypos += line1_height;
9441
9442   for (i = 0; properties[i].value != -1; i++)
9443   {
9444     if (!HAS_PROPERTY(properties_element, properties[i].value))
9445       continue;
9446
9447     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9448
9449     ypos += font2_height;
9450
9451     num_standard_properties++;
9452   }
9453
9454   if (num_standard_properties == 0)
9455   {
9456     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9457               font2_nr, none_text);
9458
9459     ypos -= (line1_height - font1_height);
9460   }
9461
9462   ypos += MAX(font1_height, font2_height);
9463
9464   /* ----- print special description of this element */
9465
9466   PrintInfoText(description_text, font1_nr, xpos, ypos);
9467
9468   ypos += line1_height;
9469
9470   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9471     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9472 }
9473
9474 #define TEXT_COLLECTING         "Score for collecting"
9475 #define TEXT_SMASHING           "Score for smashing"
9476 #define TEXT_SLURPING           "Score for slurping robot"
9477 #define TEXT_CRACKING           "Score for cracking"
9478 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9479 #define TEXT_DURATION           "Duration when activated"
9480 #define TEXT_DELAY_ON           "Delay before activating"
9481 #define TEXT_DELAY_OFF          "Delay before deactivating"
9482 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9483 #define TEXT_DELAY_MOVING       "Delay before moving"
9484 #define TEXT_BALL_DELAY         "Element generation delay"
9485 #define TEXT_MOVE_SPEED         "Speed of android moving"
9486 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9487 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9488 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9489 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9490 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9491 #define TEXT_TIME_BONUS         "Extra time to solve level"
9492
9493 static struct
9494 {
9495   int element;
9496   int *value;
9497   char *text;
9498 } elements_with_counter[] =
9499 {
9500   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9501   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9502   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9503   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9504   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9505   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9506   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9507   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9508   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9509   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9510   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9511   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9512   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9513   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9514   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9515   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9516   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9517   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9518   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9519   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9520   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9521   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9522   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9523   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9524   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9525   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9526   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9527   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9528   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9529   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9530   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9531   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9532   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9533   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9534   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9535   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9536   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9537   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9538   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9539   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9540   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9541   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9542   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9543   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9544   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9545   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9546   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9547   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9548   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9549   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9550   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9551   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9552   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9553   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9554   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9555   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9556   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9557   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9558   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9559   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9560   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9561   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9562   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9563   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9564   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9565   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9566   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9567   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9568   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9569   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9570   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9571   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9572   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9573   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9574   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9575   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9576   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9577   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9578   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9579   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9580   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9581   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9582   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9583
9584   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9585   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9586   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9587   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9588   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9589   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9590   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9591   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9592   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9593   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9594   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9595   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9596   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9597   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9598   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9599   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9600
9601   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9602   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9603   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9604   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9605   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9606   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9607   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9608   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9609   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9610   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9611   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9612   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9613   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9614
9615   { -1,                 NULL,                           NULL            }
9616 };
9617
9618 static boolean checkPropertiesConfig(int element)
9619 {
9620   int i;
9621
9622   if (IS_GEM(element) ||
9623       IS_CUSTOM_ELEMENT(element) ||
9624       IS_GROUP_ELEMENT(element) ||
9625       IS_BALLOON_ELEMENT(element) ||
9626       IS_ENVELOPE(element) ||
9627       IS_MM_MCDUFFIN(element) ||
9628       IS_DF_LASER(element) ||
9629       ELEM_IS_PLAYER(element) ||
9630       HAS_EDITOR_CONTENT(element) ||
9631       CAN_GROW(element) ||
9632       COULD_MOVE_INTO_ACID(element) ||
9633       MAYBE_DONT_COLLIDE_WITH(element) ||
9634       element == EL_SOKOBAN_OBJECT ||
9635       element == EL_SOKOBAN_FIELD_EMPTY ||
9636       element == EL_SOKOBAN_FIELD_FULL)
9637     return TRUE;
9638   else
9639     for (i = 0; elements_with_counter[i].element != -1; i++)
9640       if (elements_with_counter[i].element == element)
9641         return TRUE;
9642
9643   return FALSE;
9644 }
9645
9646 static void SetAutomaticNumberOfGemsNeeded()
9647 {
9648   int x, y;
9649
9650   if (!level.auto_count_gems)
9651     return;
9652
9653   level.gems_needed = 0;
9654
9655   for (x = 0; x < lev_fieldx; x++)
9656   {
9657     for (y = 0; y < lev_fieldy; y++)
9658     {
9659       int element = Feld[x][y];
9660
9661       if (IS_GEM(element) ||
9662           element == EL_MM_KETTLE ||
9663           element == EL_DF_CELL)
9664         level.gems_needed++;
9665     }
9666   }
9667
9668   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9669 }
9670
9671 static void DrawPropertiesConfig()
9672 {
9673   boolean draw_footer_line = FALSE;
9674   int max_num_element_counters = 4;
9675   int num_element_counters = 0;
9676   int i;
9677
9678   if (!checkPropertiesConfig(properties_element))
9679   {
9680     int xpos = ED_ELEMENT_SETTINGS_X(0);
9681     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9682
9683     PrintInfoText("No configuration options available.",
9684                   FONT_TEXT_1, xpos, ypos);
9685
9686     return;
9687   }
9688
9689   /* check if there are elements where a value can be chosen for */
9690   for (i = 0; elements_with_counter[i].element != -1; i++)
9691   {
9692     if (elements_with_counter[i].element == properties_element)
9693     {
9694       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9695
9696       counterbutton_info[counter_id].y =
9697         ED_ELEMENT_SETTINGS_YPOS(
9698                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9699                 (CAN_GROW(properties_element)                ? 1 : 0) +
9700                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9701                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9702                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9703                 num_element_counters);
9704
9705       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9706       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9707
9708       if (properties_element == EL_GAME_OF_LIFE ||
9709           properties_element == EL_BIOMAZE)
9710       {
9711         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9712         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9713       }
9714       else
9715       {
9716         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9717         counterbutton_info[counter_id].min_value = MIN_SCORE;
9718         counterbutton_info[counter_id].max_value = MAX_SCORE;
9719       }
9720
9721       MapCounterButtons(counter_id);
9722
9723       num_element_counters++;
9724       if (num_element_counters >= max_num_element_counters)
9725         break;
9726     }
9727   }
9728
9729   if (HAS_EDITOR_CONTENT(properties_element))
9730   {
9731     /* draw stickybutton gadget */
9732     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9733
9734     if (IS_AMOEBOID(properties_element))
9735       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9736     else if (properties_element == EL_YAMYAM ||
9737              properties_element == EL_YAMYAM_LEFT ||
9738              properties_element == EL_YAMYAM_RIGHT ||
9739              properties_element == EL_YAMYAM_UP ||
9740              properties_element == EL_YAMYAM_DOWN)
9741       DrawYamYamContentAreas();
9742     else if (properties_element == EL_EMC_MAGIC_BALL)
9743     {
9744       DrawMagicBallContentAreas();
9745
9746       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9747       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9748     }
9749     else if (properties_element == EL_EMC_ANDROID)
9750       DrawAndroidElementArea(properties_element);
9751   }
9752
9753   if (ELEM_IS_PLAYER(properties_element))
9754   {
9755     int player_nr = GET_PLAYER_NR(properties_element);
9756
9757     /* these properties can be set for every player individually */
9758
9759     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9760     {
9761       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9762         &level.start_element[player_nr];
9763       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9764         &level.artwork_element[player_nr];
9765       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9766         &level.explosion_element[player_nr];
9767
9768       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9769         &level.use_start_element[player_nr];
9770       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9771         &level.use_artwork_element[player_nr];
9772       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9773         &level.use_explosion_element[player_nr];
9774       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9775         &level.initial_player_gravity[player_nr];
9776
9777       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9778         &level.initial_player_stepsize[player_nr];
9779
9780       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9781       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9782                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9783                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9784       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9785       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9786       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9787       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9788       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9789       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9790       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9791       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9792       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9793       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9794
9795       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9796       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9797       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9798
9799       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9800     }
9801     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9802     {
9803       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9804         &level.initial_inventory_content[player_nr][0];
9805
9806       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9807         &level.initial_inventory_size[player_nr];
9808
9809       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9810         &level.use_initial_inventory[player_nr];
9811
9812       /* draw checkbutton gadgets */
9813       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9814
9815       /* draw counter gadgets */
9816       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9817
9818       /* draw drawing area gadgets */
9819       DrawPlayerInitialInventoryArea(properties_element);
9820     }
9821   }
9822
9823   if (IS_GEM(properties_element))
9824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9825
9826   if (properties_element == EL_EM_DYNAMITE)
9827     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9828
9829   if (COULD_MOVE_INTO_ACID(properties_element) &&
9830       !ELEM_IS_PLAYER(properties_element) &&
9831       (!IS_CUSTOM_ELEMENT(properties_element) ||
9832        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9833   {
9834     /* set position for checkbutton for "can move into acid" */
9835     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9836       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9837     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9838       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9839                                IS_BALLOON_ELEMENT(properties_element) ||
9840                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9841
9842     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9843   }
9844
9845   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9846     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9847
9848   if (properties_element == EL_SPRING)
9849     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9850
9851   if (properties_element == EL_TIME_ORB_FULL)
9852     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9853
9854   if (CAN_GROW(properties_element))
9855   {
9856     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9857       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9858
9859     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9860   }
9861
9862   if (properties_element == EL_SOKOBAN_OBJECT ||
9863       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9864       properties_element == EL_SOKOBAN_FIELD_FULL)
9865     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9866
9867   if (IS_BALLOON_ELEMENT(properties_element))
9868     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9869
9870   if (IS_ENVELOPE(properties_element))
9871   {
9872     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9873     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9874     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9875     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9876     int envelope_nr = properties_element - EL_ENVELOPE_1;
9877
9878     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9879     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9880
9881     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9882     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9883
9884     /* display counter to choose size of envelope text area */
9885     MapCounterButtons(counter1_id);
9886     MapCounterButtons(counter2_id);
9887
9888     /* display checkbuttons to choose auto-wrap and alignment properties */
9889     MapCheckbuttonGadget(button1_id);
9890     MapCheckbuttonGadget(button2_id);
9891
9892     DrawEnvelopeTextArea(envelope_nr);
9893   }
9894
9895   if (IS_MM_MCDUFFIN(properties_element))
9896   {
9897     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9898     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9899     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9900   }
9901
9902   if (IS_DF_LASER(properties_element))
9903   {
9904     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9905     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9906     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9907   }
9908
9909   if (IS_CUSTOM_ELEMENT(properties_element))
9910   {
9911     /* draw stickybutton gadget */
9912     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9913
9914     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9915     {
9916       /* draw checkbutton gadgets */
9917       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9918            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9919         MapCheckbuttonGadget(i);
9920
9921       /* draw counter gadgets */
9922       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9923            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9924         MapCounterButtons(i);
9925
9926       /* draw selectbox gadgets */
9927       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9928            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9929         MapSelectboxGadget(i);
9930
9931       /* draw textbutton gadgets */
9932       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9933
9934       /* draw text input gadgets */
9935       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9936
9937       /* draw drawing area gadgets */
9938       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9939
9940       draw_footer_line = TRUE;
9941     }
9942     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9943     {
9944       /* draw checkbutton gadgets */
9945       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9946            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9947         MapCheckbuttonGadget(i);
9948
9949       /* draw counter gadgets */
9950       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9951            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9952         MapCounterButtons(i);
9953
9954       /* draw selectbox gadgets */
9955       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9956            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9957         MapSelectboxGadget(i);
9958
9959       /* draw drawing area gadgets */
9960       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9961       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9962       DrawCustomContentArea();
9963     }
9964   }
9965   else if (IS_GROUP_ELEMENT(properties_element))
9966   {
9967     /* draw stickybutton gadget */
9968     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9969
9970     /* draw checkbutton gadgets */
9971     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9972     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9973
9974     /* draw counter gadgets */
9975     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9976
9977     /* draw selectbox gadgets */
9978     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9979
9980     /* draw textbutton gadgets */
9981     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9982
9983     /* draw drawing area gadgets */
9984     DrawGroupElementArea(properties_element);
9985
9986     /* draw text input gadgets */
9987     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9988
9989     /* draw drawing area gadgets */
9990     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9991
9992     draw_footer_line = TRUE;
9993   }
9994
9995   /* draw little footer border line above CE/GE use/save template gadgets */
9996   if (draw_footer_line)
9997   {
9998     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9999     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10000     int gd_x = gd->x + gd_gi1->border.width / 2;
10001     int gd_y = gd->y + gd_gi1->height - 1;
10002     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10003
10004     if (tab_color != BLACK_PIXEL)               /* black => transparent */
10005       FillRectangle(drawto,
10006                     SX + ED_ELEMENT_SETTINGS_X(0),
10007                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10008                     ED_TAB_BAR_HEIGHT,
10009                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10010   }
10011 }
10012
10013 static void DrawPropertiesChangeDrawingAreas()
10014 {
10015   if (IS_CUSTOM_ELEMENT(properties_element))
10016   {
10017     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10018     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10019     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10020
10021     DrawCustomChangeContentArea();
10022   }
10023
10024   redraw_mask |= REDRAW_FIELD;
10025 }
10026
10027 static void DrawPropertiesChange()
10028 {
10029   int i;
10030
10031   /* needed to initially set selectbox options for special action options */
10032   setSelectboxSpecialActionOptions();
10033
10034   /* draw stickybutton gadget */
10035   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10036
10037   /* draw checkbutton gadgets */
10038   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10039        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10040     MapCheckbuttonGadget(i);
10041
10042   /* draw counter gadgets */
10043   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10044        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10045     MapCounterButtons(i);
10046
10047   /* draw selectbox gadgets */
10048   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10049        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10050     MapSelectboxGadget(i);
10051
10052   /* draw textbutton gadgets */
10053   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10054        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10055     MapTextbuttonGadget(i);
10056
10057   /* draw graphicbutton gadgets */
10058   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10059        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10060     MapGraphicbuttonGadget(i);
10061
10062   /* draw drawing area gadgets */
10063   DrawPropertiesChangeDrawingAreas();
10064 }
10065
10066 static void DrawEditorElementAnimation(int x, int y)
10067 {
10068   int graphic = el2img(properties_element);
10069   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10070                custom_element.ce_value_fixed_initial :
10071                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10072                custom_element.collect_score_initial : FrameCounter);
10073
10074   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10075 }
10076
10077 static void DrawEditorElementName(int x, int y, int font_nr)
10078 {
10079   char *element_name = getElementInfoText(properties_element);
10080   int font_width = getFontWidth(font_nr);
10081   int font_height = getFontHeight(font_nr);
10082   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10083   int max_chars_per_line = max_text_width / font_width;
10084   char buffer[max_chars_per_line + 1];
10085
10086   if (strlen(element_name) <= max_chars_per_line)
10087     DrawTextS(x, y, font_nr, element_name);
10088   else
10089   {
10090     int next_pos = max_chars_per_line;
10091
10092     strncpy(buffer, element_name, max_chars_per_line);
10093     buffer[max_chars_per_line] = '\0';
10094
10095     if (element_name[max_chars_per_line] == ' ')
10096       next_pos++;
10097     else
10098     {
10099       int i;
10100
10101       for (i = max_chars_per_line - 1; i >= 0; i--)
10102         if (buffer[i] == ' ')
10103           break;
10104
10105       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10106       {
10107         buffer[i] = '\0';
10108         next_pos = i + 1;
10109       }
10110     }
10111
10112     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10113
10114     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10115     buffer[max_chars_per_line] = '\0';
10116
10117     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10118   }
10119 }
10120
10121 static void DrawPropertiesWindow()
10122 {
10123   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10124   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10125   int border_size = gd->border_size;
10126   int font_nr = FONT_TEXT_1;
10127   int font_height = getFontHeight(font_nr);
10128   int xoffset = TILEX + element_border + 3 * border_size;
10129   int yoffset = (TILEY - font_height) / 2;
10130   int x1 = editor.settings.element_graphic.x + element_border;
10131   int y1 = editor.settings.element_graphic.y + element_border;
10132   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10133             editor.settings.element_name.x);
10134   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10135             editor.settings.element_name.y);
10136   char *text = "Element Settings";
10137   int font2_nr = FONT_TITLE_1;
10138   struct MenuPosInfo *pos = &editor.settings.headline;
10139   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10140   int sy = SY + pos->y;
10141
10142   stick_element_properties_window = FALSE;
10143
10144   /* make sure that previous properties edit mode exists for this element */
10145   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10146       !IS_CUSTOM_ELEMENT(properties_element))
10147     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10148
10149   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10150       !ELEM_IS_PLAYER(properties_element) &&
10151       !IS_CUSTOM_ELEMENT(properties_element))
10152     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10153
10154   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10155       (ELEM_IS_PLAYER(properties_element) ||
10156        IS_CUSTOM_ELEMENT(properties_element)))
10157     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10158
10159   CopyElementPropertiesToEditor(properties_element);
10160
10161   UnmapLevelEditorFieldGadgets();
10162   UnmapLevelEditorToolboxDrawingGadgets();
10163   UnmapLevelEditorToolboxCustomGadgets();
10164
10165   if (IS_CUSTOM_ELEMENT(properties_element) ||
10166       IS_GROUP_ELEMENT(properties_element))
10167     MapLevelEditorToolboxCustomGadgets();
10168
10169   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10170   ClearField();
10171
10172   DrawText(sx, sy, text, font2_nr);
10173
10174   FrameCounter = 0;     /* restart animation frame counter */
10175
10176   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10177   DrawEditorElementAnimation(SX + x1, SY + y1);
10178   DrawEditorElementName(x2, y2, font_nr);
10179
10180   DrawPropertiesTabulatorGadgets();
10181
10182   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10183     DrawPropertiesInfo();
10184   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10185     DrawPropertiesChange();
10186   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
10187     DrawPropertiesConfig();
10188 }
10189
10190 static void DrawPaletteWindow()
10191 {
10192   int i;
10193
10194   UnmapLevelEditorFieldGadgets();
10195
10196   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10197   ClearField();
10198
10199   /* map buttons to select elements */
10200   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10201     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10202   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10203   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10204   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10205 }
10206
10207 static void UpdateCustomElementGraphicGadgets()
10208 {
10209   int i;
10210
10211   InitElementPropertiesGfxElement();
10212
10213   ModifyEditorElementList();
10214   RedrawDrawingElements();
10215
10216   /* force redraw of all mapped drawing area gadgets */
10217   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10218   {
10219     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10220
10221     if (gi->mapped)
10222       MapDrawingArea(i);
10223   }
10224 }
10225
10226 static int getOpenDirectionFromTube(int element)
10227 {
10228   switch (element)
10229   {
10230     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10231     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10232     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10233     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10234     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10235     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10236     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10237     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10238     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10239     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10240     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10241   }
10242
10243   return MV_NONE;
10244 }
10245
10246 static int getTubeFromOpenDirection(int direction)
10247 {
10248   switch (direction)
10249   {
10250     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10251     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10252     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10253     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10254     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10255     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10256     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10257     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10258     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10259     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10260     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10261
10262     /* if only one direction, fall back to simple tube with that direction */
10263     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10264     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10265     case (MV_UP):                       return EL_TUBE_VERTICAL;
10266     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10267   }
10268
10269   return EL_EMPTY;
10270 }
10271
10272 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10273 {
10274   int element_new = getTubeFromOpenDirection(direction);
10275
10276   return (element_new != EL_EMPTY ? element_new : element_old);
10277 }
10278
10279 static int getOpenDirectionFromBelt(int element)
10280 {
10281   int belt_dir = getBeltDirFromBeltElement(element);
10282
10283   return (belt_dir == MV_LEFT ? MV_RIGHT :
10284           belt_dir == MV_RIGHT ? MV_LEFT :
10285           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10286 }
10287
10288 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10289 {
10290   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10291                   direction == MV_RIGHT ? MV_LEFT :
10292                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10293
10294   if (direction == MV_NONE)
10295     return EL_EMPTY;
10296
10297   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10298 }
10299
10300 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10301                                                  int element_old)
10302 {
10303   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10304
10305   return (element_new != EL_EMPTY ? element_new : element_old);
10306 }
10307
10308 static int getOpenDirectionFromPool(int element)
10309 {
10310   switch (element)
10311   {
10312     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10313     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10314     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10315     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10316     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10317     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10318   }
10319
10320   return MV_NONE;
10321 }
10322
10323 static int getPoolFromOpenDirection(int direction)
10324 {
10325   switch (direction)
10326   {
10327     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10328     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10329     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10330     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10331     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10332     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10333   }
10334
10335   return EL_EMPTY;
10336 }
10337
10338 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10339 {
10340   int element = getPoolFromOpenDirection(direction);
10341   int help_direction = getOpenDirectionFromPool(help_element);
10342
10343   if (element == EL_EMPTY)
10344   {
10345     int help_direction_vertical = help_direction & MV_VERTICAL;
10346
10347     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10348   }
10349
10350   if (element == EL_EMPTY)
10351   {
10352     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10353
10354     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10355   }
10356
10357   return element;
10358 }
10359
10360 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10361 {
10362   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10363
10364   return (element_new != EL_EMPTY ? element_new : element_old);
10365 }
10366
10367 static int getOpenDirectionFromPillar(int element)
10368 {
10369   switch (element)
10370   {
10371     case EL_EMC_WALL_1:                 return (MV_DOWN);
10372     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10373     case EL_EMC_WALL_3:                 return (MV_UP);
10374   }
10375
10376   return MV_NONE;
10377 }
10378
10379 static int getPillarFromOpenDirection(int direction)
10380 {
10381   switch (direction)
10382   {
10383     case (MV_DOWN):                     return EL_EMC_WALL_1;
10384     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10385     case (MV_UP):                       return EL_EMC_WALL_3;
10386   }
10387
10388   return EL_EMPTY;
10389 }
10390
10391 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10392 {
10393   int element_new = getPillarFromOpenDirection(direction);
10394
10395   return (element_new != EL_EMPTY ? element_new : element_old);
10396 }
10397
10398 static int getOpenDirectionFromSteel2(int element)
10399 {
10400   switch (element)
10401   {
10402     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10403     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10404     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10405     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10406     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10407     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10408     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10409     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10410   }
10411
10412   return MV_NONE;
10413 }
10414
10415 static int getSteel2FromOpenDirection(int direction)
10416 {
10417   switch (direction)
10418   {
10419     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10420     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10421     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10422     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10423     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10424     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10425     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10426     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10427   }
10428
10429   return EL_EMPTY;
10430 }
10431
10432 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10433 {
10434   int element_new = getSteel2FromOpenDirection(direction);
10435
10436   return (element_new != EL_EMPTY ? element_new : element_old);
10437 }
10438
10439 static int getOpenDirectionFromChip(int element)
10440 {
10441   switch (element)
10442   {
10443     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10444     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10445     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10446     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10447     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10448   }
10449
10450   return MV_NONE;
10451 }
10452
10453 static int getChipFromOpenDirection(int direction)
10454 {
10455   switch (direction)
10456   {
10457     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10458     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10459     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10460     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10461     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10462   }
10463
10464   return EL_EMPTY;
10465 }
10466
10467 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10468 {
10469   int element_new = getChipFromOpenDirection(direction);
10470
10471   return (element_new != EL_EMPTY ? element_new : element_old);
10472 }
10473
10474 static int getClosedTube(int x, int y)
10475 {
10476   static int xy[4][2] =
10477   {
10478     { -1, 0 },
10479     { +1, 0 },
10480     { 0, -1 },
10481     { 0, +1 }
10482   };
10483   int element_old = IntelliDrawBuffer[x][y];
10484   int direction_old = getOpenDirectionFromTube(element_old);
10485   int direction_new = MV_NONE;
10486   int i;
10487
10488   for (i = 0; i < NUM_DIRECTIONS; i++)
10489   {
10490     int xx = x + xy[i][0];
10491     int yy = y + xy[i][1];
10492     int dir = MV_DIR_FROM_BIT(i);
10493     int dir_opposite = MV_DIR_OPPOSITE(dir);
10494
10495     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10496         (direction_old & dir) &&
10497         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10498       direction_new |= dir;
10499   }
10500
10501   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10502 }
10503
10504 static int getClosedBelt(int x, int y)
10505 {
10506   static int xy[4][2] =
10507   {
10508     { -1, 0 },
10509     { +1, 0 },
10510     { 0, -1 },
10511     { 0, +1 }
10512   };
10513   int element_old = IntelliDrawBuffer[x][y];
10514   int nr = getBeltNrFromBeltElement(element_old);
10515   int direction_old = getOpenDirectionFromBelt(element_old);
10516   int direction_new = MV_NONE;
10517   int i;
10518
10519   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10520   {
10521     int xx = x + xy[i][0];
10522     int yy = y + xy[i][1];
10523     int dir = MV_DIR_FROM_BIT(i);
10524     int dir_opposite = MV_DIR_OPPOSITE(dir);
10525
10526     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10527         (direction_old & dir) &&
10528         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10529       direction_new |= dir;
10530   }
10531
10532   return getBeltFromNrAndOpenDirection(nr, direction_new);
10533 }
10534
10535 static int getClosedPool(int x, int y)
10536 {
10537   static int xy[4][2] =
10538   {
10539     { -1, 0 },
10540     { +1, 0 },
10541     { 0, -1 },
10542     { 0, +1 }
10543   };
10544   int element_old = IntelliDrawBuffer[x][y];
10545   int direction_old = getOpenDirectionFromPool(element_old);
10546   int direction_new = MV_NONE;
10547   int i;
10548
10549   for (i = 0; i < NUM_DIRECTIONS; i++)
10550   {
10551     int xx = x + xy[i][0];
10552     int yy = y + xy[i][1];
10553     int dir = MV_DIR_FROM_BIT(i);
10554     int dir_opposite = MV_DIR_OPPOSITE(dir);
10555
10556     if (IN_LEV_FIELD(xx, yy) &&
10557         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10558         (direction_old & dir) &&
10559         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10560       direction_new |= dir;
10561   }
10562
10563   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10564 }
10565
10566 static int getClosedPillar(int x, int y)
10567 {
10568   static int xy[4][2] =
10569   {
10570     { -1, 0 },
10571     { +1, 0 },
10572     { 0, -1 },
10573     { 0, +1 }
10574   };
10575   int element_old = IntelliDrawBuffer[x][y];
10576   int direction_old = getOpenDirectionFromPillar(element_old);
10577   int direction_new = MV_NONE;
10578   int i;
10579
10580   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10581   {
10582     int xx = x + xy[i][0];
10583     int yy = y + xy[i][1];
10584     int dir = MV_DIR_FROM_BIT(i);
10585     int dir_opposite = MV_DIR_OPPOSITE(dir);
10586
10587     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10588         (direction_old & dir) &&
10589         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10590       direction_new |= dir;
10591   }
10592
10593   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10594 }
10595
10596 static int getClosedSteel2(int x, int y)
10597 {
10598   static int xy[4][2] =
10599   {
10600     { -1, 0 },
10601     { +1, 0 },
10602     { 0, -1 },
10603     { 0, +1 }
10604   };
10605   int element_old = IntelliDrawBuffer[x][y];
10606   int direction_old = getOpenDirectionFromSteel2(element_old);
10607   int direction_new = MV_NONE;
10608   int i;
10609
10610   for (i = 0; i < NUM_DIRECTIONS; i++)
10611   {
10612     int xx = x + xy[i][0];
10613     int yy = y + xy[i][1];
10614     int dir = MV_DIR_FROM_BIT(i);
10615     int dir_opposite = MV_DIR_OPPOSITE(dir);
10616
10617     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10618         (direction_old & dir) &&
10619         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10620       direction_new |= dir;
10621   }
10622
10623   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10624 }
10625
10626 static int getClosedChip(int x, int y)
10627 {
10628   static int xy[4][2] =
10629   {
10630     { -1, 0 },
10631     { +1, 0 },
10632     { 0, -1 },
10633     { 0, +1 }
10634   };
10635   int element_old = IntelliDrawBuffer[x][y];
10636   int direction_old = getOpenDirectionFromChip(element_old);
10637   int direction_new = MV_NONE;
10638   int i;
10639
10640   for (i = 0; i < NUM_DIRECTIONS; i++)
10641   {
10642     int xx = x + xy[i][0];
10643     int yy = y + xy[i][1];
10644     int dir = MV_DIR_FROM_BIT(i);
10645     int dir_opposite = MV_DIR_OPPOSITE(dir);
10646
10647     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10648         (direction_old & dir) &&
10649         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10650       direction_new |= dir;
10651   }
10652
10653   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10654 }
10655
10656 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10657                                 boolean change_level)
10658 {
10659   int sx = x - level_xpos;
10660   int sy = y - level_ypos;
10661   int old_element = Feld[x][y];
10662   int new_element = element;
10663   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10664   boolean draw_masked = FALSE;
10665
10666   if (IS_MM_WALL_EDITOR(element))
10667   {
10668     element = map_mm_wall_element_editor(element) | new_bitmask;
10669
10670     if (IS_MM_WALL(old_element))
10671       element |= MM_WALL_BITS(old_element);
10672
10673     if (!change_level)
10674       draw_masked = TRUE;
10675   }
10676   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10677   {
10678     int element_changed = old_element & ~new_bitmask;
10679
10680     if (MM_WALL_BITS(element_changed) != 0)
10681       element = element_changed;
10682   }
10683
10684   IntelliDrawBuffer[x][y] = element;
10685
10686   if (change_level)
10687     Feld[x][y] = element;
10688
10689   if (IN_ED_FIELD(sx, sy))
10690   {
10691     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10692       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10693     else if (draw_masked)
10694       DrawEditorElementThruMask(sx, sy, element);
10695     else
10696       DrawEditorElement(sx, sy, element);
10697   }
10698 }
10699
10700 static void SetElementSimple(int x, int y, int element, boolean change_level)
10701 {
10702   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10703 }
10704
10705 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10706                                            int x2, int y2, int *element2,
10707                                            int (*close_function)(int, int),
10708                                            boolean change_level)
10709 {
10710   /* set neighbour elements to newly determined connections */
10711   SetElementSimple(x1, y1, *element1, change_level);
10712   SetElementSimple(x2, y2, *element2, change_level);
10713
10714   /* remove all open connections of neighbour elements */
10715   *element1 = close_function(x1, y1);
10716   *element2 = close_function(x2, y2);
10717
10718   /* set neighbour elements to new, minimized connections */
10719   SetElementSimple(x1, y1, *element1, change_level);
10720   SetElementSimple(x2, y2, *element2, change_level);
10721 }
10722
10723 static void SetElementIntelliDraw(int x, int y, int new_element,
10724                                   boolean change_level, int button)
10725 {
10726   static int xy[4][2] =
10727   {
10728     { -1, 0 },
10729     { +1, 0 },
10730     { 0, -1 },
10731     { 0, +1 }
10732   };
10733   static int last_x = -1;
10734   static int last_y = -1;
10735   int old_element = IntelliDrawBuffer[x][y];
10736
10737   if (new_element == EL_UNDEFINED)
10738   {
10739     last_x = -1;
10740     last_y = -1;
10741
10742     return;
10743   }
10744
10745   if (IS_TUBE(new_element))
10746   {
10747     int last_element_new = EL_UNDEFINED;
10748     int direction = MV_NONE;
10749     int i;
10750
10751     /* if old element is of same kind, keep all existing directions */
10752     if (IS_TUBE(old_element))
10753       direction |= getOpenDirectionFromTube(old_element);
10754
10755     for (i = 0; i < NUM_DIRECTIONS; i++)
10756     {
10757       int xx = x + xy[i][0];
10758       int yy = y + xy[i][1];
10759
10760       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10761           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10762       {
10763         int dir = MV_DIR_FROM_BIT(i);
10764         int dir_opposite = MV_DIR_OPPOSITE(dir);
10765         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10766         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10767         int last_direction_new = last_direction_old | dir_opposite;
10768
10769         last_element_new = getTubeFromOpenDirection(last_direction_new);
10770
10771         direction |= dir;
10772       }
10773     }
10774
10775     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10776
10777     if (last_element_new != EL_UNDEFINED)
10778       MergeAndCloseNeighbourElements(x, y, &new_element,
10779                                      last_x, last_y, &last_element_new,
10780                                      getClosedTube, change_level);
10781   }
10782   else if (IS_BELT(new_element))
10783   {
10784     int belt_nr = getBeltNrFromBeltElement(new_element);
10785     int last_element_new = EL_UNDEFINED;
10786     int direction = MV_NONE;
10787     int i;
10788
10789     /* if old element is of same kind, keep all existing directions */
10790     if (IS_BELT(old_element))
10791       direction |= getOpenDirectionFromBelt(old_element);
10792
10793     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10794     {
10795       int xx = x + xy[i][0];
10796       int yy = y + xy[i][1];
10797
10798       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10799           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10800       {
10801         int dir = MV_DIR_FROM_BIT(i);
10802         int dir_opposite = MV_DIR_OPPOSITE(dir);
10803         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10804         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10805         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10806         int last_direction_new = last_direction_old | dir_opposite;
10807
10808         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10809                                                          last_direction_new);
10810         direction |= dir;
10811       }
10812     }
10813
10814     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10815                                                         new_element);
10816     if (last_element_new != EL_UNDEFINED)
10817       MergeAndCloseNeighbourElements(x, y, &new_element,
10818                                      last_x, last_y, &last_element_new,
10819                                      getClosedBelt, change_level);
10820   }
10821   else if (IS_ACID_POOL_OR_ACID(new_element))
10822   {
10823     int last_element_new = EL_UNDEFINED;
10824     int direction = MV_NONE;
10825     int i;
10826
10827     /* if old element is of same kind, keep all existing directions */
10828     if (IS_ACID_POOL_OR_ACID(old_element))
10829       direction |= getOpenDirectionFromPool(old_element);
10830
10831     for (i = 0; i < NUM_DIRECTIONS; i++)
10832     {
10833       int xx = x + xy[i][0];
10834       int yy = y + xy[i][1];
10835
10836       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10837           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10838       {
10839         int dir = MV_DIR_FROM_BIT(i);
10840         int dir_opposite = MV_DIR_OPPOSITE(dir);
10841         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10842         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10843         int last_direction_new = last_direction_old | dir_opposite;
10844
10845         last_element_new = getPoolFromOpenDirection(last_direction_new);
10846
10847         direction |= dir;
10848       }
10849     }
10850
10851     /* special corrections needed for intuitively correct acid pool drawing */
10852     if (last_element_new == EL_EMPTY)
10853       last_element_new = new_element;
10854     else if (last_element_new != EL_UNDEFINED)
10855       new_element = last_element_new;
10856
10857     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10858
10859     if (last_element_new != EL_UNDEFINED)
10860       MergeAndCloseNeighbourElements(x, y, &new_element,
10861                                      last_x, last_y, &last_element_new,
10862                                      getClosedPool, change_level);
10863   }
10864   else if (IS_EMC_PILLAR(new_element))
10865   {
10866     int last_element_new = EL_UNDEFINED;
10867     int direction = MV_NONE;
10868     int i;
10869
10870     /* if old element is of same kind, keep all existing directions */
10871     if (IS_EMC_PILLAR(old_element))
10872       direction |= getOpenDirectionFromPillar(old_element);
10873
10874     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10875     {
10876       int xx = x + xy[i][0];
10877       int yy = y + xy[i][1];
10878
10879       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10880           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10881       {
10882         int dir = MV_DIR_FROM_BIT(i);
10883         int dir_opposite = MV_DIR_OPPOSITE(dir);
10884         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10885         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10886         int last_direction_new = last_direction_old | dir_opposite;
10887
10888         last_element_new = getPillarFromOpenDirection(last_direction_new);
10889
10890         direction |= dir;
10891       }
10892     }
10893
10894     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10895
10896     if (last_element_new != EL_UNDEFINED)
10897       MergeAndCloseNeighbourElements(x, y, &new_element,
10898                                      last_x, last_y, &last_element_new,
10899                                      getClosedPillar, change_level);
10900   }
10901   else if (IS_DC_STEELWALL_2(new_element))
10902   {
10903     int last_element_new = EL_UNDEFINED;
10904     int direction = MV_NONE;
10905     int i;
10906
10907     /* if old element is of same kind, keep all existing directions */
10908     if (IS_DC_STEELWALL_2(old_element))
10909       direction |= getOpenDirectionFromSteel2(old_element);
10910
10911     for (i = 0; i < NUM_DIRECTIONS; i++)
10912     {
10913       int xx = x + xy[i][0];
10914       int yy = y + xy[i][1];
10915
10916       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10917           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10918       {
10919         int dir = MV_DIR_FROM_BIT(i);
10920         int dir_opposite = MV_DIR_OPPOSITE(dir);
10921         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10922         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10923         int last_direction_new = last_direction_old | dir_opposite;
10924
10925         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10926
10927         direction |= dir;
10928       }
10929     }
10930
10931     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10932
10933     if (last_element_new != EL_UNDEFINED)
10934       MergeAndCloseNeighbourElements(x, y, &new_element,
10935                                      last_x, last_y, &last_element_new,
10936                                      getClosedSteel2, change_level);
10937   }
10938   else if (IS_SP_CHIP(new_element))
10939   {
10940     int last_element_new = EL_UNDEFINED;
10941     int direction = MV_NONE;
10942     int i;
10943
10944     /* (do not keep existing directions, regardless of kind of old element) */
10945
10946     for (i = 0; i < NUM_DIRECTIONS; i++)
10947     {
10948       int xx = x + xy[i][0];
10949       int yy = y + xy[i][1];
10950
10951       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10952           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10953       {
10954         int dir = MV_DIR_FROM_BIT(i);
10955         int dir_opposite = MV_DIR_OPPOSITE(dir);
10956         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10957         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10958         int last_direction_new = last_direction_old | dir_opposite;
10959
10960         if (last_direction_old == MV_NONE)
10961         {
10962           last_element_new = getChipFromOpenDirection(last_direction_new);
10963           direction |= dir;
10964         }
10965         else if (last_direction_old & (dir | dir_opposite))
10966         {
10967           direction |= MV_DIR_OPPOSITE(last_direction_old);
10968         }
10969         else
10970         {
10971           direction |= MV_DIR_OPPOSITE(dir);
10972         }
10973       }
10974     }
10975
10976     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10977
10978     if (last_element_new != EL_UNDEFINED)
10979       MergeAndCloseNeighbourElements(x, y, &new_element,
10980                                      last_x, last_y, &last_element_new,
10981                                      getClosedChip, change_level);
10982   }
10983   else if (IS_SP_HARDWARE_BASE(new_element))
10984   {
10985     int nr = GetSimpleRandom(6);
10986
10987     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10988                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10989                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10990                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10991                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10992   }
10993   else if (new_element == EL_SP_HARDWARE_GREEN ||
10994            new_element == EL_SP_HARDWARE_BLUE ||
10995            new_element == EL_SP_HARDWARE_RED)
10996   {
10997     int nr = GetSimpleRandom(3);
10998
10999     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11000                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11001   }
11002   else if (IS_GROUP_ELEMENT(new_element))
11003   {
11004     boolean connected_drawing = FALSE;
11005     int i;
11006
11007     for (i = 0; i < NUM_DIRECTIONS; i++)
11008     {
11009       int xx = x + xy[i][0];
11010       int yy = y + xy[i][1];
11011
11012       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11013           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11014         connected_drawing = TRUE;
11015     }
11016
11017     if (!connected_drawing)
11018       ResolveGroupElement(new_element);
11019
11020     new_element = GetElementFromGroupElement(new_element);
11021   }
11022   else if (IS_BELT_SWITCH(old_element))
11023   {
11024     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11025     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11026
11027     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11028                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11029
11030     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11031   }
11032   else
11033   {
11034     static int swappable_elements[][2] =
11035     {
11036       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11037       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11038       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11039       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11040       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11041       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11042       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11043       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11044       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11045       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11046       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11047       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11048       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11049       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11050       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11051       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11052       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11053       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11054       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11055       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11056       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11057       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11058       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11059       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11060       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11061       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11062       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11063       { EL_PEARL,                       EL_WALL_PEARL                   },
11064       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11065       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11066       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11067       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11068       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11069       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11070       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11071       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11072       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11073       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11074       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11075       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11076       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11077       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11078       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11079       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11080
11081       { -1,                             -1                              },
11082     };
11083     static int rotatable_elements_4[][4] =
11084     {
11085       {
11086         EL_BUG_UP,
11087         EL_BUG_RIGHT,
11088         EL_BUG_DOWN,
11089         EL_BUG_LEFT
11090       },
11091       {
11092         EL_SPACESHIP_UP,
11093         EL_SPACESHIP_RIGHT,
11094         EL_SPACESHIP_DOWN,
11095         EL_SPACESHIP_LEFT
11096       },
11097       {
11098         EL_BD_BUTTERFLY_UP,
11099         EL_BD_BUTTERFLY_RIGHT,
11100         EL_BD_BUTTERFLY_DOWN,
11101         EL_BD_BUTTERFLY_LEFT
11102       },
11103       {
11104         EL_BD_FIREFLY_UP,
11105         EL_BD_FIREFLY_RIGHT,
11106         EL_BD_FIREFLY_DOWN,
11107         EL_BD_FIREFLY_LEFT
11108       },
11109       {
11110         EL_PACMAN_UP,
11111         EL_PACMAN_RIGHT,
11112         EL_PACMAN_DOWN,
11113         EL_PACMAN_LEFT
11114       },
11115       {
11116         EL_YAMYAM_UP,
11117         EL_YAMYAM_RIGHT,
11118         EL_YAMYAM_DOWN,
11119         EL_YAMYAM_LEFT
11120       },
11121       {
11122         EL_ARROW_UP,
11123         EL_ARROW_RIGHT,
11124         EL_ARROW_DOWN,
11125         EL_ARROW_LEFT
11126       },
11127       {
11128         EL_SP_PORT_UP,
11129         EL_SP_PORT_RIGHT,
11130         EL_SP_PORT_DOWN,
11131         EL_SP_PORT_LEFT
11132       },
11133       {
11134         EL_SP_GRAVITY_PORT_UP,
11135         EL_SP_GRAVITY_PORT_RIGHT,
11136         EL_SP_GRAVITY_PORT_DOWN,
11137         EL_SP_GRAVITY_PORT_LEFT
11138       },
11139       {
11140         EL_SP_GRAVITY_ON_PORT_UP,
11141         EL_SP_GRAVITY_ON_PORT_RIGHT,
11142         EL_SP_GRAVITY_ON_PORT_DOWN,
11143         EL_SP_GRAVITY_ON_PORT_LEFT
11144       },
11145       {
11146         EL_SP_GRAVITY_OFF_PORT_UP,
11147         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11148         EL_SP_GRAVITY_OFF_PORT_DOWN,
11149         EL_SP_GRAVITY_OFF_PORT_LEFT
11150       },
11151       {
11152         EL_MOLE_UP,
11153         EL_MOLE_RIGHT,
11154         EL_MOLE_DOWN,
11155         EL_MOLE_LEFT
11156       },
11157       {
11158         EL_BALLOON_SWITCH_UP,
11159         EL_BALLOON_SWITCH_RIGHT,
11160         EL_BALLOON_SWITCH_DOWN,
11161         EL_BALLOON_SWITCH_LEFT
11162       },
11163       {
11164         EL_MM_MCDUFFIN_UP,
11165         EL_MM_MCDUFFIN_RIGHT,
11166         EL_MM_MCDUFFIN_DOWN,
11167         EL_MM_MCDUFFIN_LEFT
11168       },
11169       {
11170         EL_MM_MIRROR_FIXED_1,
11171         EL_MM_MIRROR_FIXED_4,
11172         EL_MM_MIRROR_FIXED_3,
11173         EL_MM_MIRROR_FIXED_2
11174       },
11175       {
11176         EL_MM_STEEL_GRID_FIXED_1,
11177         EL_MM_STEEL_GRID_FIXED_4,
11178         EL_MM_STEEL_GRID_FIXED_2,
11179         EL_MM_STEEL_GRID_FIXED_3
11180       },
11181       {
11182         EL_MM_WOODEN_GRID_FIXED_1,
11183         EL_MM_WOODEN_GRID_FIXED_4,
11184         EL_MM_WOODEN_GRID_FIXED_2,
11185         EL_MM_WOODEN_GRID_FIXED_3
11186       },
11187       {
11188         EL_MM_POLARISATOR_CROSS_1,
11189         EL_MM_POLARISATOR_CROSS_4,
11190         EL_MM_POLARISATOR_CROSS_3,
11191         EL_MM_POLARISATOR_CROSS_2
11192       },
11193       {
11194         EL_MM_PACMAN_UP,
11195         EL_MM_PACMAN_RIGHT,
11196         EL_MM_PACMAN_DOWN,
11197         EL_MM_PACMAN_LEFT
11198       },
11199       {
11200         EL_DF_LASER_UP,
11201         EL_DF_LASER_RIGHT,
11202         EL_DF_LASER_DOWN,
11203         EL_DF_LASER_LEFT
11204       },
11205       {
11206         EL_DF_RECEIVER_UP,
11207         EL_DF_RECEIVER_RIGHT,
11208         EL_DF_RECEIVER_DOWN,
11209         EL_DF_RECEIVER_LEFT
11210       },
11211
11212       {
11213         -1,
11214       },
11215     };
11216     static int rotatable_elements_8[][8] =
11217     {
11218       {
11219         EL_DF_STEEL_GRID_FIXED_1,
11220         EL_DF_STEEL_GRID_FIXED_8,
11221         EL_DF_STEEL_GRID_FIXED_7,
11222         EL_DF_STEEL_GRID_FIXED_6,
11223         EL_DF_STEEL_GRID_FIXED_5,
11224         EL_DF_STEEL_GRID_FIXED_4,
11225         EL_DF_STEEL_GRID_FIXED_3,
11226         EL_DF_STEEL_GRID_FIXED_2
11227       },
11228       {
11229         EL_DF_WOODEN_GRID_FIXED_1,
11230         EL_DF_WOODEN_GRID_FIXED_8,
11231         EL_DF_WOODEN_GRID_FIXED_7,
11232         EL_DF_WOODEN_GRID_FIXED_6,
11233         EL_DF_WOODEN_GRID_FIXED_5,
11234         EL_DF_WOODEN_GRID_FIXED_4,
11235         EL_DF_WOODEN_GRID_FIXED_3,
11236         EL_DF_WOODEN_GRID_FIXED_2
11237       },
11238       {
11239         EL_DF_STEEL_GRID_ROTATING_1,
11240         EL_DF_STEEL_GRID_ROTATING_8,
11241         EL_DF_STEEL_GRID_ROTATING_7,
11242         EL_DF_STEEL_GRID_ROTATING_6,
11243         EL_DF_STEEL_GRID_ROTATING_5,
11244         EL_DF_STEEL_GRID_ROTATING_4,
11245         EL_DF_STEEL_GRID_ROTATING_3,
11246         EL_DF_STEEL_GRID_ROTATING_2
11247       },
11248       {
11249         EL_DF_WOODEN_GRID_ROTATING_1,
11250         EL_DF_WOODEN_GRID_ROTATING_8,
11251         EL_DF_WOODEN_GRID_ROTATING_7,
11252         EL_DF_WOODEN_GRID_ROTATING_6,
11253         EL_DF_WOODEN_GRID_ROTATING_5,
11254         EL_DF_WOODEN_GRID_ROTATING_4,
11255         EL_DF_WOODEN_GRID_ROTATING_3,
11256         EL_DF_WOODEN_GRID_ROTATING_2
11257       },
11258
11259       {
11260         -1,
11261       },
11262     };
11263     static int rotatable_elements_16[][16] =
11264     {
11265       {
11266         EL_MM_MIRROR_1,
11267         EL_MM_MIRROR_16,
11268         EL_MM_MIRROR_15,
11269         EL_MM_MIRROR_14,
11270         EL_MM_MIRROR_13,
11271         EL_MM_MIRROR_12,
11272         EL_MM_MIRROR_11,
11273         EL_MM_MIRROR_10,
11274         EL_MM_MIRROR_9,
11275         EL_MM_MIRROR_8,
11276         EL_MM_MIRROR_7,
11277         EL_MM_MIRROR_6,
11278         EL_MM_MIRROR_5,
11279         EL_MM_MIRROR_4,
11280         EL_MM_MIRROR_3,
11281         EL_MM_MIRROR_2
11282       },
11283       {
11284         EL_MM_BEAMER_5,
11285         EL_MM_BEAMER_4,
11286         EL_MM_BEAMER_3,
11287         EL_MM_BEAMER_2,
11288         EL_MM_BEAMER_1,
11289         EL_MM_BEAMER_16,
11290         EL_MM_BEAMER_15,
11291         EL_MM_BEAMER_14,
11292         EL_MM_BEAMER_13,
11293         EL_MM_BEAMER_12,
11294         EL_MM_BEAMER_11,
11295         EL_MM_BEAMER_10,
11296         EL_MM_BEAMER_9,
11297         EL_MM_BEAMER_8,
11298         EL_MM_BEAMER_7,
11299         EL_MM_BEAMER_6
11300       },
11301       {
11302         EL_MM_BEAMER_RED_5,
11303         EL_MM_BEAMER_RED_4,
11304         EL_MM_BEAMER_RED_3,
11305         EL_MM_BEAMER_RED_2,
11306         EL_MM_BEAMER_RED_1,
11307         EL_MM_BEAMER_RED_16,
11308         EL_MM_BEAMER_RED_15,
11309         EL_MM_BEAMER_RED_14,
11310         EL_MM_BEAMER_RED_13,
11311         EL_MM_BEAMER_RED_12,
11312         EL_MM_BEAMER_RED_11,
11313         EL_MM_BEAMER_RED_10,
11314         EL_MM_BEAMER_RED_9,
11315         EL_MM_BEAMER_RED_8,
11316         EL_MM_BEAMER_RED_7,
11317         EL_MM_BEAMER_RED_6
11318       },
11319       {
11320         EL_MM_BEAMER_YELLOW_5,
11321         EL_MM_BEAMER_YELLOW_4,
11322         EL_MM_BEAMER_YELLOW_3,
11323         EL_MM_BEAMER_YELLOW_2,
11324         EL_MM_BEAMER_YELLOW_1,
11325         EL_MM_BEAMER_YELLOW_16,
11326         EL_MM_BEAMER_YELLOW_15,
11327         EL_MM_BEAMER_YELLOW_14,
11328         EL_MM_BEAMER_YELLOW_13,
11329         EL_MM_BEAMER_YELLOW_12,
11330         EL_MM_BEAMER_YELLOW_11,
11331         EL_MM_BEAMER_YELLOW_10,
11332         EL_MM_BEAMER_YELLOW_9,
11333         EL_MM_BEAMER_YELLOW_8,
11334         EL_MM_BEAMER_YELLOW_7,
11335         EL_MM_BEAMER_YELLOW_6
11336       },
11337       {
11338         EL_MM_BEAMER_GREEN_5,
11339         EL_MM_BEAMER_GREEN_4,
11340         EL_MM_BEAMER_GREEN_3,
11341         EL_MM_BEAMER_GREEN_2,
11342         EL_MM_BEAMER_GREEN_1,
11343         EL_MM_BEAMER_GREEN_16,
11344         EL_MM_BEAMER_GREEN_15,
11345         EL_MM_BEAMER_GREEN_14,
11346         EL_MM_BEAMER_GREEN_13,
11347         EL_MM_BEAMER_GREEN_12,
11348         EL_MM_BEAMER_GREEN_11,
11349         EL_MM_BEAMER_GREEN_10,
11350         EL_MM_BEAMER_GREEN_9,
11351         EL_MM_BEAMER_GREEN_8,
11352         EL_MM_BEAMER_GREEN_7,
11353         EL_MM_BEAMER_GREEN_6
11354       },
11355       {
11356         EL_MM_BEAMER_BLUE_5,
11357         EL_MM_BEAMER_BLUE_4,
11358         EL_MM_BEAMER_BLUE_3,
11359         EL_MM_BEAMER_BLUE_2,
11360         EL_MM_BEAMER_BLUE_1,
11361         EL_MM_BEAMER_BLUE_16,
11362         EL_MM_BEAMER_BLUE_15,
11363         EL_MM_BEAMER_BLUE_14,
11364         EL_MM_BEAMER_BLUE_13,
11365         EL_MM_BEAMER_BLUE_12,
11366         EL_MM_BEAMER_BLUE_11,
11367         EL_MM_BEAMER_BLUE_10,
11368         EL_MM_BEAMER_BLUE_9,
11369         EL_MM_BEAMER_BLUE_8,
11370         EL_MM_BEAMER_BLUE_7,
11371         EL_MM_BEAMER_BLUE_6
11372       },
11373       {
11374         EL_MM_POLARISATOR_1,
11375         EL_MM_POLARISATOR_16,
11376         EL_MM_POLARISATOR_15,
11377         EL_MM_POLARISATOR_14,
11378         EL_MM_POLARISATOR_13,
11379         EL_MM_POLARISATOR_12,
11380         EL_MM_POLARISATOR_11,
11381         EL_MM_POLARISATOR_10,
11382         EL_MM_POLARISATOR_9,
11383         EL_MM_POLARISATOR_8,
11384         EL_MM_POLARISATOR_7,
11385         EL_MM_POLARISATOR_6,
11386         EL_MM_POLARISATOR_5,
11387         EL_MM_POLARISATOR_4,
11388         EL_MM_POLARISATOR_3,
11389         EL_MM_POLARISATOR_2
11390       },
11391       {
11392         EL_DF_MIRROR_1,
11393         EL_DF_MIRROR_16,
11394         EL_DF_MIRROR_15,
11395         EL_DF_MIRROR_14,
11396         EL_DF_MIRROR_13,
11397         EL_DF_MIRROR_12,
11398         EL_DF_MIRROR_11,
11399         EL_DF_MIRROR_10,
11400         EL_DF_MIRROR_9,
11401         EL_DF_MIRROR_8,
11402         EL_DF_MIRROR_7,
11403         EL_DF_MIRROR_6,
11404         EL_DF_MIRROR_5,
11405         EL_DF_MIRROR_4,
11406         EL_DF_MIRROR_3,
11407         EL_DF_MIRROR_2
11408       },
11409       {
11410         EL_DF_MIRROR_ROTATING_1,
11411         EL_DF_MIRROR_ROTATING_16,
11412         EL_DF_MIRROR_ROTATING_15,
11413         EL_DF_MIRROR_ROTATING_14,
11414         EL_DF_MIRROR_ROTATING_13,
11415         EL_DF_MIRROR_ROTATING_12,
11416         EL_DF_MIRROR_ROTATING_11,
11417         EL_DF_MIRROR_ROTATING_10,
11418         EL_DF_MIRROR_ROTATING_9,
11419         EL_DF_MIRROR_ROTATING_8,
11420         EL_DF_MIRROR_ROTATING_7,
11421         EL_DF_MIRROR_ROTATING_6,
11422         EL_DF_MIRROR_ROTATING_5,
11423         EL_DF_MIRROR_ROTATING_4,
11424         EL_DF_MIRROR_ROTATING_3,
11425         EL_DF_MIRROR_ROTATING_2
11426       },
11427
11428       {
11429         -1,
11430       },
11431     };
11432     int i, j;
11433
11434     for (i = 0; swappable_elements[i][0] != -1; i++)
11435     {
11436       int element1 = swappable_elements[i][0];
11437       int element2 = swappable_elements[i][1];
11438
11439       if (old_element == element1 || old_element == element2)
11440         new_element = (old_element == element1 ? element2 : element1);
11441     }
11442
11443     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11444     {
11445       for (j = 0; j < 4; j++)
11446       {
11447         int element = rotatable_elements_4[i][j];
11448
11449         if (old_element == element)
11450           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11451                          button == 2 ? rotatable_elements_4[i][0]           :
11452                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11453                          old_element);
11454       }
11455     }
11456
11457     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11458     {
11459       for (j = 0; j < 8; j++)
11460       {
11461         int element = rotatable_elements_8[i][j];
11462
11463         if (old_element == element)
11464           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11465                          button == 2 ? rotatable_elements_8[i][0]           :
11466                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11467                          old_element);
11468       }
11469     }
11470
11471     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11472     {
11473       for (j = 0; j < 16; j++)
11474       {
11475         int element = rotatable_elements_16[i][j];
11476
11477         if (old_element == element)
11478           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11479                          button == 2 ? rotatable_elements_16[i][0]             :
11480                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11481                          old_element);
11482       }
11483     }
11484
11485     if (old_element != new_element)
11486     {
11487       int max_infotext_len = getMaxInfoTextLength();
11488       char infotext[MAX_OUTPUT_LINESIZE + 1];
11489
11490       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11491       infotext[max_infotext_len] = '\0';
11492
11493       ClearEditorGadgetInfoText();
11494
11495       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11496                 infotext);
11497     }
11498   }
11499
11500   SetElementSimple(x, y, new_element, change_level);
11501
11502   last_x = x;
11503   last_y = y;
11504 }
11505
11506 static void ResetIntelliDraw()
11507 {
11508   int x, y;
11509
11510   for (x = 0; x < lev_fieldx; x++)
11511     for (y = 0; y < lev_fieldy; y++)
11512       IntelliDrawBuffer[x][y] = Feld[x][y];
11513
11514   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11515 }
11516
11517 static boolean draw_mode_hires = FALSE;
11518
11519 static void SetDrawModeHiRes(int element)
11520 {
11521   draw_mode_hires =
11522     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11523      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11524 }
11525
11526 static boolean getDrawModeHiRes()
11527 {
11528   return draw_mode_hires;
11529 }
11530
11531 static int getLoResScreenPos(int pos)
11532 {
11533   return (getDrawModeHiRes() ? pos / 2 : pos);
11534 }
11535
11536 static int getLoResScreenMod(int pos)
11537 {
11538   return (getDrawModeHiRes() ? pos % 2 : 0);
11539 }
11540
11541 static void SetElementExt(int x, int y, int dx, int dy, int element,
11542                           boolean change_level, int button)
11543 {
11544   if (element < 0)
11545     SetElementSimple(x, y, Feld[x][y], change_level);
11546   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11547     SetElementIntelliDraw(x, y, element, change_level, button);
11548   else
11549     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11550 }
11551
11552 static void SetElement(int x, int y, int element)
11553 {
11554   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11555 }
11556
11557 static void SetElementButton(int x, int y, int dx, int dy, int element,
11558                              int button)
11559 {
11560   SetElementExt(x, y, dx, dy, element, TRUE, button);
11561 }
11562
11563 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11564 {
11565   int lx = getLoResScreenPos(sx2) + level_xpos;
11566   int ly = getLoResScreenPos(sy2) + level_ypos;
11567   int dx = getLoResScreenMod(sx2);
11568   int dy = getLoResScreenMod(sy2);
11569
11570   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11571 }
11572
11573 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11574 {
11575   int lx = lx2 / 2;
11576   int ly = ly2 / 2;
11577   int dx = lx2 % 2;
11578   int dy = ly2 % 2;
11579
11580   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11581 }
11582
11583 static int getLevelElementHiRes(int lx2, int ly2)
11584 {
11585   int lx = lx2 / 2;
11586   int ly = ly2 / 2;
11587   int dx = lx2 % 2;
11588   int dy = ly2 % 2;
11589   int element = Feld[lx][ly];
11590   unsigned int bitmask = (dx + 1) << (dy * 2);
11591
11592   if (IS_MM_WALL(element))
11593   {
11594     if (element & bitmask)
11595       return map_mm_wall_element(element);
11596     else
11597       return EL_EMPTY;
11598   }
11599
11600   return element;
11601 }
11602
11603 static void DrawLineElement(int x, int y, int element, boolean change_level)
11604 {
11605   SetElementHiRes(x, y, element, change_level);
11606 }
11607
11608 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11609                      int element, boolean change_level)
11610 {
11611   int xsize = ABS(to_x - from_x);
11612   int ysize = ABS(to_y - from_y);
11613   int dx = (to_x < from_x ? -1 : +1);
11614   int dy = (to_y < from_y ? -1 : +1);
11615   int i;
11616
11617   if (from_y == to_y)                   /* horizontal line */
11618   {
11619     for (i = 0; i <= xsize; i++)
11620       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11621   }
11622   else if (from_x == to_x)              /* vertical line */
11623   {
11624     for (i = 0; i <= ysize; i++)
11625       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11626   }
11627   else                                  /* diagonal line */
11628   {
11629     if (ysize < xsize)                  /* a < 1 */
11630     {
11631       float a = (float)ysize / (float)xsize;
11632
11633       for (i = 0; i <= xsize; i++)
11634       {
11635         int x = dx * i;
11636         int y = dy * (int)(a * i + 0.5);
11637
11638         DrawLineElement(from_x + x, from_y + y, element, change_level);
11639       }
11640     }
11641     else                                /* a >= 1 */
11642     {
11643       float a = (float)xsize / (float)ysize;
11644
11645       for (i = 0; i <= ysize; i++)
11646       {
11647         int x = dx * (int)(a * i + 0.5);
11648         int y = dy * i;
11649
11650         DrawLineElement(from_x + x, from_y + y, element, change_level);
11651       }
11652     }
11653   }
11654 }
11655
11656 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11657                     int element, boolean change_level)
11658 {
11659   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11660   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11661   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11662   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11663 }
11664
11665 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11666                           int element, boolean change_level)
11667 {
11668   int y;
11669
11670   if (from_y > to_y)
11671     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11672
11673   for (y = from_y; y <= to_y; y++)
11674     DrawLine(from_x, y, to_x, y, element, change_level);
11675 }
11676
11677 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11678                        int element, boolean change_level)
11679 {
11680   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11681   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11682   int len_x = ABS(to_x - from_x);
11683   int len_y = ABS(to_y - from_y);
11684   int radius, x, y;
11685
11686   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11687
11688   /* not optimal (some points get drawn twice) but simple,
11689      and fast enough for the few points we are drawing */
11690
11691   for (x = 0; x <= radius; x++)
11692   {
11693     int sx, sy, sx2, sy2, lx, ly;
11694
11695     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11696
11697     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11698     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11699     sx = getLoResScreenPos(sx2);
11700     sy = getLoResScreenPos(sy2);
11701     lx = sx + level_xpos;
11702     ly = sy + level_ypos;
11703
11704     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11705       DrawLineElement(sx2, sy2, element, change_level);
11706   }
11707
11708   for (y = 0; y <= radius; y++)
11709   {
11710     int sx, sy, sx2, sy2, lx, ly;
11711
11712     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11713
11714     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11715     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11716     sx = getLoResScreenPos(sx2);
11717     sy = getLoResScreenPos(sy2);
11718     lx = sx + level_xpos;
11719     ly = sy + level_ypos;
11720
11721     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11722       DrawLineElement(sx2, sy2, element, change_level);
11723   }
11724 }
11725
11726 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11727                     int element, boolean change_level)
11728 {
11729   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11730   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11731
11732   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11733 }
11734
11735 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11736
11737 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11738 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11739                        int element, boolean change_level)
11740 {
11741   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11742   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11743   int mirror_to_x2 = from_x - (to_x2 - from_x);
11744   int mirror_to_y2 = from_y - (to_y2 - from_y);
11745
11746   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11747   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11748   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11749   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11750 }
11751 #endif
11752
11753 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11754 {
11755   int from_sx, from_sy;
11756   int to_sx, to_sy;
11757
11758   if (from_x > to_x)
11759     swap_numbers(&from_x, &to_x);
11760
11761   if (from_y > to_y)
11762     swap_numbers(&from_y, &to_y);
11763
11764   from_sx = SX + from_x * ed_tilesize;
11765   from_sy = SY + from_y * ed_tilesize;
11766   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11767   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11768
11769   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11770   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11771   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11772   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11773
11774   if (from_x == to_x && from_y == to_y)
11775     MarkTileDirty(from_x/2, from_y/2);
11776   else
11777     redraw_mask |= REDRAW_FIELD;
11778 }
11779
11780 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11781                         int element, boolean change_level)
11782 {
11783   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11784 }
11785
11786 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11787                        int element, boolean change_level)
11788 {
11789   if (element == -1 || change_level)
11790     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11791   else
11792     DrawAreaBorder(from_x, from_y, to_x, to_y);
11793 }
11794
11795 /* values for CopyBrushExt() */
11796 #define CB_AREA_TO_BRUSH        0
11797 #define CB_BRUSH_TO_CURSOR      1
11798 #define CB_BRUSH_TO_LEVEL       2
11799 #define CB_DELETE_OLD_CURSOR    3
11800 #define CB_DUMP_BRUSH           4
11801 #define CB_DUMP_BRUSH_SMALL     5
11802
11803 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11804 {
11805   DrawLineElement(sx, sy, element, change_level);
11806 }
11807
11808 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11809                          int button, int mode)
11810 {
11811   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11812   static int brush_width, brush_height;
11813   static int last_cursor_x = -1, last_cursor_y = -1;
11814   static boolean delete_old_brush;
11815   int new_element = BUTTON_ELEMENT(button);
11816   int x, y;
11817
11818   if (mode == CB_DUMP_BRUSH ||
11819       mode == CB_DUMP_BRUSH_SMALL)
11820   {
11821     if (!draw_with_brush)
11822     {
11823       Error(ERR_WARN, "no brush selected");
11824
11825       return;
11826     }
11827
11828     for (y = 0; y < brush_height; y++)
11829     {
11830       for (x = 0; x < brush_width; x++)
11831       {
11832         int element = brush_buffer[x][y];
11833         int element_mapped = element;
11834
11835         if (IS_CUSTOM_ELEMENT(element))
11836           element_mapped = EL_CUSTOM_START;
11837         else if (IS_GROUP_ELEMENT(element))
11838           element_mapped = EL_GROUP_START;
11839         else if (element >= NUM_FILE_ELEMENTS)
11840           element_mapped = EL_UNKNOWN;
11841
11842         // dump brush as level sketch text for the R'n'D forum:
11843         // - large tiles: `xxx (0x60 ASCII)
11844         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11845         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11846       }
11847
11848       printf("\n");
11849     }
11850
11851     return;
11852   }
11853
11854   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11855     return;
11856
11857   if (mode == CB_AREA_TO_BRUSH)
11858   {
11859     int from_lx, from_ly;
11860
11861     if (from_x > to_x)
11862       swap_numbers(&from_x, &to_x);
11863
11864     if (from_y > to_y)
11865       swap_numbers(&from_y, &to_y);
11866
11867     brush_width = to_x - from_x + 1;
11868     brush_height = to_y - from_y + 1;
11869
11870     from_lx = from_x + level_xpos;
11871     from_ly = from_y + level_ypos;
11872
11873     for (y = 0; y < brush_height; y++)
11874     {
11875       for (x = 0; x < brush_width; x++)
11876       {
11877         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11878
11879         if (button != 1)
11880           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11881       }
11882     }
11883
11884     if (button != 1)
11885       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11886
11887     delete_old_brush = FALSE;
11888   }
11889   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11890            mode == CB_BRUSH_TO_LEVEL)
11891   {
11892     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11893     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11894     int cursor_from_x = cursor_x - brush_width / 2;
11895     int cursor_from_y = cursor_y - brush_height / 2;
11896     int border_from_x = cursor_x, border_from_y = cursor_y;
11897     int border_to_x = cursor_x, border_to_y = cursor_y;
11898
11899     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11900       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11901
11902     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11903         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11904     {
11905       delete_old_brush = FALSE;
11906       return;
11907     }
11908
11909     for (y = 0; y < brush_height; y++)
11910     {
11911       for (x = 0; x < brush_width; x++)
11912       {
11913         int sx = cursor_from_x + x;
11914         int sy = cursor_from_y + y;
11915         int lx = sx + level_xpos;
11916         int ly = sy + level_ypos;
11917         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11918         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11919                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11920                        brush_buffer[x][y] : new_element);
11921
11922         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11923         {
11924           if (sx < border_from_x)
11925             border_from_x = sx;
11926           else if (sx > border_to_x)
11927             border_to_x = sx;
11928           if (sy < border_from_y)
11929             border_from_y = sy;
11930           else if (sy > border_to_y)
11931             border_to_y = sy;
11932
11933           DrawBrushElement(sx, sy, element, change_level);
11934         }
11935       }
11936     }
11937
11938     if (mode != CB_DELETE_OLD_CURSOR)
11939       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11940
11941     last_cursor_x = cursor_x;
11942     last_cursor_y = cursor_y;
11943     delete_old_brush = TRUE;
11944   }
11945 }
11946
11947 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11948                             int button)
11949 {
11950   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11951 }
11952
11953 static void CopyBrushToLevel(int x, int y, int button)
11954 {
11955   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11956 }
11957
11958 static void CopyBrushToCursor(int x, int y)
11959 {
11960   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11961 }
11962
11963 static void DeleteBrushFromCursor()
11964 {
11965   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11966 }
11967
11968 void DumpBrush()
11969 {
11970   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11971 }
11972
11973 void DumpBrush_Small()
11974 {
11975   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11976 }
11977
11978 static void FloodFill(int from_x, int from_y, int fill_element)
11979 {
11980   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11981 }
11982
11983 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11984 {
11985   int from_x = from_sx2 + 2 * level_xpos;
11986   int from_y = from_sy2 + 2 * level_ypos;
11987   int max_fillx = lev_fieldx * 2;
11988   int max_filly = lev_fieldy * 2;
11989   short FillFeld[max_fillx][max_filly];
11990   int x, y;
11991
11992   for (x = 0; x < max_fillx; x++)
11993     for (y = 0; y < max_filly; y++)
11994       FillFeld[x][y] = getLevelElementHiRes(x, y);
11995
11996   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11997                     FillFeld, max_fillx, max_filly);
11998
11999   for (x = 0; x < max_fillx; x++)
12000     for (y = 0; y < max_filly; y++)
12001       if (FillFeld[x][y] == fill_element)
12002         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12003 }
12004
12005 /* values for DrawLevelText() modes */
12006 #define TEXT_INIT               0
12007 #define TEXT_SETCURSOR          1
12008 #define TEXT_WRITECHAR          2
12009 #define TEXT_BACKSPACE          3
12010 #define TEXT_NEWLINE            4
12011 #define TEXT_END                5
12012 #define TEXT_QUERY_TYPING       6
12013
12014 static int DrawLevelText(int sx, int sy, char letter, int mode)
12015 {
12016   static short delete_buffer[MAX_LEV_FIELDX];
12017   static int start_sx;
12018   static int last_sx, last_sy;
12019   static boolean typing = FALSE;
12020   int letter_element = EL_CHAR_ASCII0 + letter;
12021   int lx = 0, ly = 0;
12022
12023   /* map lower case letters to upper case and convert special characters */
12024   if (letter >= 'a' && letter <= 'z')
12025     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12026   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12027     letter_element = EL_CHAR_AUMLAUT;
12028   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12029     letter_element = EL_CHAR_OUMLAUT;
12030   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12031     letter_element = EL_CHAR_UUMLAUT;
12032   else if (letter == '^')
12033     letter_element = EL_CHAR_COPYRIGHT;
12034   else
12035     letter_element = EL_CHAR_ASCII0 + letter;
12036
12037   if (mode != TEXT_INIT)
12038   {
12039     if (!typing)
12040       return FALSE;
12041
12042     if (mode != TEXT_SETCURSOR)
12043     {
12044       sx = last_sx;
12045       sy = last_sy;
12046     }
12047
12048     lx = last_sx + level_xpos;
12049     ly = last_sy + level_ypos;
12050   }
12051
12052   switch (mode)
12053   {
12054     case TEXT_INIT:
12055       if (typing)
12056         DrawLevelText(0, 0, 0, TEXT_END);
12057
12058       typing = TRUE;
12059       start_sx = sx;
12060       last_sx = sx;
12061       last_sy = sy;
12062       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12063       break;
12064
12065     case TEXT_SETCURSOR:
12066       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12067       DrawAreaBorder(sx, sy, sx, sy);
12068       last_sx = sx;
12069       last_sy = sy;
12070       break;
12071
12072     case TEXT_WRITECHAR:
12073       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12074       {
12075         if (new_element1 >= EL_STEEL_CHAR_START &&
12076             new_element1 <= EL_STEEL_CHAR_END)
12077           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12078
12079         delete_buffer[sx - start_sx] = Feld[lx][ly];
12080         Feld[lx][ly] = letter_element;
12081
12082         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12083           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12084         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12085           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12086         else
12087           DrawLevelText(0, 0, 0, TEXT_END);
12088
12089         level.changed = TRUE;
12090       }
12091       break;
12092
12093     case TEXT_BACKSPACE:
12094       if (sx > start_sx)
12095       {
12096         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12097         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12098         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12099       }
12100       break;
12101
12102     case TEXT_NEWLINE:
12103       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12104         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12105       else
12106         DrawLevelText(0, 0, 0, TEXT_END);
12107       break;
12108
12109     case TEXT_END:
12110       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12111       DrawEditorElement(sx, sy, Feld[lx][ly]);
12112       typing = FALSE;
12113       break;
12114
12115     case TEXT_QUERY_TYPING:
12116       break;
12117
12118     default:
12119       break;
12120   }
12121
12122   return typing;
12123 }
12124
12125 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12126                           int element, boolean change_level)
12127 {
12128   int lx = sx + level_xpos;
12129   int ly = sy + level_ypos;
12130
12131   if (element == -1)
12132     DrawEditorElement(sx, sy, Feld[lx][ly]);
12133   else
12134     DrawAreaBorder(sx, sy, sx, sy);
12135 }
12136
12137 static void CheckLevelBorderElement(boolean redraw_playfield)
12138 {
12139   int last_border_element = BorderElement;
12140
12141   SetBorderElement();
12142
12143   if (redraw_playfield && BorderElement != last_border_element)
12144     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12145 }
12146
12147 static void CopyLevelToUndoBuffer(int mode)
12148 {
12149   static boolean accumulated_undo = FALSE;
12150   boolean new_undo_buffer_position = TRUE;
12151   int x, y;
12152
12153   if (undo_buffer_steps == 0)
12154     accumulated_undo = FALSE;
12155
12156   switch (mode)
12157   {
12158     case UNDO_IMMEDIATE:
12159       accumulated_undo = FALSE;
12160       break;
12161
12162     case UNDO_ACCUMULATE:
12163       if (accumulated_undo)
12164         new_undo_buffer_position = FALSE;
12165       accumulated_undo = TRUE;
12166       break;
12167
12168     default:
12169       break;
12170   }
12171
12172   if (new_undo_buffer_position)
12173   {
12174     /* advance position in undo buffer ring */
12175     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12176
12177     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12178       undo_buffer_steps++;
12179   }
12180
12181   /* always reset redo buffer when storing level change into undo buffer */
12182   redo_buffer_steps = 0;
12183
12184   for (x = 0; x < lev_fieldx; x++)
12185     for (y = 0; y < lev_fieldy; y++)
12186       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12187
12188   /* check if drawing operation forces change of border style */
12189   CheckLevelBorderElement(TRUE);
12190
12191   level.changed = TRUE;
12192 }
12193
12194 static void RandomPlacement(int new_element)
12195 {
12196   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12197   int num_free_positions = 0;
12198   int num_percentage, num_elements;
12199   int x, y;
12200
12201   ResetIntelliDraw();
12202
12203   /* determine number of free positions for randomly placing the new element */
12204   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12205   {
12206     free_position[x][y] =
12207       (random_placement_background_restricted ?
12208        Feld[x][y] == random_placement_background_element :
12209        Feld[x][y] != new_element);
12210
12211     if (free_position[x][y])
12212       num_free_positions++;
12213   }
12214
12215   /* determine number of new elements to place there */
12216   num_percentage = num_free_positions * random_placement_value / 100;
12217   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12218                   num_percentage : random_placement_value);
12219
12220   /* if less free positions than elements to place, fill all these positions */
12221   if (num_free_positions < num_elements)
12222   {
12223     for (x = 0; x < lev_fieldx; x++)
12224       for (y = 0; y < lev_fieldy; y++)
12225         if (free_position[x][y])
12226           SetElement(x, y, new_element);
12227   }
12228   else
12229   {
12230     while (num_elements > 0)
12231     {
12232       x = GetSimpleRandom(lev_fieldx);
12233       y = GetSimpleRandom(lev_fieldy);
12234
12235       /* don't place element at the same position twice */
12236       if (free_position[x][y])
12237       {
12238         free_position[x][y] = FALSE;
12239         SetElement(x, y, new_element);
12240         num_elements--;
12241       }
12242     }
12243   }
12244
12245   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12246   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12247 }
12248
12249 void WrapLevel(int dx, int dy)
12250 {
12251   int wrap_dx = lev_fieldx - dx;
12252   int wrap_dy = lev_fieldy - dy;
12253   int x, y;
12254
12255   for (x = 0; x < lev_fieldx; x++)
12256     for (y = 0; y < lev_fieldy; y++)
12257       FieldBackup[x][y] = Feld[x][y];
12258
12259   for (x = 0; x < lev_fieldx; x++)
12260     for (y = 0; y < lev_fieldy; y++)
12261       Feld[x][y] =
12262         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12263
12264   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12265   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12266 }
12267
12268 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12269 {
12270   char *template_filename_old = getLocalLevelTemplateFilename();
12271   char *template_filename_new =
12272     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12273
12274   if (copyFile(template_filename_old, template_filename_new) != 0)
12275     Request("Cannot copy level template!", REQ_CONFIRM);
12276
12277   free(template_filename_new);
12278 }
12279
12280 static void HandleDrawingAreas(struct GadgetInfo *gi)
12281 {
12282   static boolean started_inside_drawing_area = FALSE;
12283   static int last_sx = -1, last_sy = -1;
12284   static int last_sx2 = -1, last_sy2 = -1;
12285   int id = gi->custom_id;
12286   int type_id = gi->custom_type_id;
12287   boolean button_press_event;
12288   boolean button_release_event;
12289   boolean inside_drawing_area = !gi->event.off_borders;
12290   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12291   int actual_drawing_function;
12292   int button = gi->event.button;
12293   int new_element = BUTTON_ELEMENT(button);
12294   int sx = gi->event.x, sy = gi->event.y;
12295   int min_sx = 0, min_sy = 0;
12296   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12297   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12298   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12299   int sx2 = gi->event.mx / mini_item_xsize;
12300   int sy2 = gi->event.my / mini_item_ysize;
12301   int dx = sx2 % 2;
12302   int dy = sy2 % 2;
12303   int lx = 0, ly = 0;
12304   int min_lx = 0, min_ly = 0;
12305   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12306   int x, y;
12307
12308   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12309   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12310
12311   /* make sure to stay inside drawing area boundaries */
12312   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12313   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12314
12315   if (draw_level)
12316   {
12317     /* get positions inside level field */
12318     lx = sx + level_xpos;
12319     ly = sy + level_ypos;
12320
12321     if (!IN_LEV_FIELD(lx, ly))
12322       inside_drawing_area = FALSE;
12323
12324     /* make sure to stay inside level field boundaries */
12325     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12326     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12327
12328     /* correct drawing area positions accordingly */
12329     sx = lx - level_xpos;
12330     sy = ly - level_ypos;
12331   }
12332
12333   /* also correct MM wall-sized (double) drawing area positions accordingly */
12334   if (sx2 / 2 < sx || sx2 / 2 > sx)
12335   {
12336     dx = (sx2 / 2 < sx ? 0 : 1);
12337     sx2 = sx * 2 + dx;
12338   }
12339   if (sy2 / 2 < sy || sy2 / 2 > sy)
12340   {
12341     dy = (sy2 / 2 < sy ? 0 : 1);
12342     sy2 = sy * 2 + dy;
12343   }
12344
12345   if (button_release_event)
12346   {
12347     last_sx = -1;
12348     last_sy = -1;
12349     last_sx2 = -1;
12350     last_sy2 = -1;
12351   }
12352   else if (!button_press_event)
12353   {
12354     /* prevent handling events for every pixel position when moving mouse */
12355     if ((sx == last_sx && sy == last_sy &&
12356          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12357         (sx2 == last_sx2 && sy2 == last_sy2))
12358       return;
12359   }
12360
12361   last_sx = sx;
12362   last_sy = sy;
12363   last_sx2 = sx2;
12364   last_sy2 = sy2;
12365
12366   if (button_press_event)
12367     started_inside_drawing_area = inside_drawing_area;
12368
12369   if (!started_inside_drawing_area)
12370     return;
12371
12372   if (!IS_VALID_BUTTON(button))
12373     return;
12374
12375   if (!button && !button_release_event)
12376     return;
12377
12378   /* handle info callback for each invocation of action callback */
12379   gi->callback_info(gi);
12380
12381   /* automatically switch to 'single item' drawing mode, if needed */
12382   actual_drawing_function =
12383     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12384      drawing_function : GADGET_ID_SINGLE_ITEMS);
12385
12386   /* clicking into drawing area with pressed Control key picks element */
12387   if (GetKeyModState() & KMOD_Control)
12388   {
12389     last_drawing_function = drawing_function;
12390     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12391   }
12392
12393   if (GetKeyModState() & KMOD_Shift)
12394   {
12395     if (button_press_event || button_release_event)
12396       ResetIntelliDraw();
12397   }
12398
12399   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12400
12401   switch (actual_drawing_function)
12402   {
12403     case GADGET_ID_SINGLE_ITEMS:
12404       if (draw_level)
12405       {
12406         if (button_release_event)
12407         {
12408           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12409
12410           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12411               !inside_drawing_area)
12412             DeleteBrushFromCursor();
12413         }
12414
12415         if (!button || button_release_event)
12416           break;
12417
12418         if (draw_with_brush)
12419         {
12420           CopyBrushToLevel(sx, sy, button);
12421         }
12422         else
12423         {
12424           SetDrawModeHiRes(new_element);
12425
12426           if (new_element == EL_PLAYER_1)
12427           {
12428             /* remove player at old position */
12429             for (y = 0; y < lev_fieldy; y++)
12430               for (x = 0; x < lev_fieldx; x++)
12431                 if (Feld[x][y] == EL_PLAYER_1)
12432                   SetElement(x, y, EL_EMPTY);
12433           }
12434
12435           SetElementButton(lx, ly, dx, dy, new_element, button);
12436         }
12437       }
12438       else if (!button_release_event)
12439       {
12440         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12441
12442         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12443           DrawMiniGraphicExt(drawto,
12444                              gi->x + sx * MINI_TILEX,
12445                              gi->y + sy * MINI_TILEY,
12446                              el2edimg(new_element));
12447         else
12448           DrawFixedGraphicExt(drawto,
12449                               gi->x + sx * TILEX,
12450                               gi->y + sy * TILEY,
12451                               el2edimg(new_element), 0);
12452
12453         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12454           new_element = GFX_ELEMENT(new_element);
12455
12456         drawingarea_info[type_id].value[pos] = new_element;
12457
12458         CopyElementPropertiesToGame(properties_element);
12459
12460         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12461         {
12462           UpdateCustomElementGraphicGadgets();
12463
12464           FrameCounter = 0;     /* restart animation frame counter */
12465         }
12466       }
12467       break;
12468
12469     case GADGET_ID_CONNECTED_ITEMS:
12470       {
12471         static int last_sx = -1;
12472         static int last_sy = -1;
12473
12474         if (button_release_event)
12475           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12476
12477         if (button)
12478         {
12479           SetDrawModeHiRes(new_element);
12480
12481           if (getDrawModeHiRes())
12482           {
12483             sx = sx2;
12484             sy = sy2;
12485           }
12486
12487           if (!button_press_event)
12488             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12489
12490           last_sx = sx;
12491           last_sy = sy;
12492         }
12493       }
12494       break;
12495
12496     case GADGET_ID_LINE:
12497     case GADGET_ID_ARC:
12498     case GADGET_ID_RECTANGLE:
12499     case GADGET_ID_FILLED_BOX:
12500       SetDrawModeHiRes(new_element);
12501
12502       if (getDrawModeHiRes())
12503       {
12504         sx = sx2;
12505         sy = sy2;
12506       }
12507       /* FALLTHROUGH */
12508     case GADGET_ID_GRAB_BRUSH:
12509     case GADGET_ID_TEXT:
12510       {
12511         static int last_sx = -1;
12512         static int last_sy = -1;
12513         static int start_sx = -1;
12514         static int start_sy = -1;
12515         void (*draw_func)(int, int, int, int, int, boolean);
12516
12517         if (drawing_function == GADGET_ID_LINE)
12518           draw_func = DrawLine;
12519         else if (drawing_function == GADGET_ID_ARC)
12520           draw_func = DrawArc;
12521         else if (drawing_function == GADGET_ID_RECTANGLE)
12522           draw_func = DrawBox;
12523         else if (drawing_function == GADGET_ID_FILLED_BOX)
12524           draw_func = DrawFilledBox;
12525         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12526           draw_func = SelectArea;
12527         else /* (drawing_function == GADGET_ID_TEXT) */
12528           draw_func = SetTextCursor;
12529
12530         if (button_press_event)
12531         {
12532           draw_func(sx, sy, sx, sy, new_element, FALSE);
12533           start_sx = last_sx = sx;
12534           start_sy = last_sy = sy;
12535
12536           if (drawing_function == GADGET_ID_TEXT)
12537             DrawLevelText(0, 0, 0, TEXT_END);
12538         }
12539         else if (button_release_event)
12540         {
12541           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12542           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12543           {
12544             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12545             CopyBrushToCursor(sx, sy);
12546             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12547                           MB_LEFTBUTTON);
12548             draw_with_brush = TRUE;
12549           }
12550           else if (drawing_function == GADGET_ID_TEXT)
12551             DrawLevelText(sx, sy, 0, TEXT_INIT);
12552           else
12553             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12554         }
12555         else if (last_sx != sx || last_sy != sy)
12556         {
12557           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12558           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12559             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12560           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12561           last_sx = sx;
12562           last_sy = sy;
12563         }
12564       }
12565       break;
12566
12567     case GADGET_ID_FLOOD_FILL:
12568       if (button_press_event && Feld[lx][ly] != new_element)
12569       {
12570         if (IS_MM_WALL_EDITOR(new_element))
12571           FloodFillWall_MM(sx2, sy2, new_element);
12572         else
12573           FloodFill(lx, ly, new_element);
12574
12575         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12576         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12577       }
12578       break;
12579
12580     case GADGET_ID_PICK_ELEMENT:
12581       if (button_release_event)
12582         ClickOnGadget(level_editor_gadget[last_drawing_function],
12583                       MB_LEFTBUTTON);
12584       else if (draw_level)
12585         PickDrawingElement(button, Feld[lx][ly]);
12586       else
12587       {
12588         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12589
12590         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12591       }
12592
12593     default:
12594       break;
12595   }
12596
12597   /* do not mark level as modified for certain non-level-changing gadgets */
12598   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12599        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12600       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12601       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12602     return;
12603
12604   level.changed = TRUE;
12605 }
12606
12607 static void HandleCounterButtons(struct GadgetInfo *gi)
12608 {
12609   int gadget_id = gi->custom_id;
12610   int counter_id = gi->custom_type_id;
12611   int button = gi->event.button;
12612   int *counter_value = counterbutton_info[counter_id].value;
12613   int step = BUTTON_STEPSIZE(button) *
12614     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12615
12616   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12617   {
12618     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12619     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12620     boolean level_changed = LevelChanged();
12621
12622     if ((level_changed && pressed) || (!level_changed && released))
12623       return;
12624
12625     if (level_changed && !Request("Level has changed! Discard changes?",
12626                                   REQ_ASK))
12627     {
12628       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12629         ModifyEditorCounterValue(counter_id, *counter_value);
12630
12631       return;
12632     }
12633   }
12634
12635   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12636     *counter_value = gi->textinput.number_value;
12637   else
12638     ModifyEditorCounterValue(counter_id, *counter_value + step);
12639
12640   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12641   {
12642     int last_game_engine_type = level.game_engine_type;
12643
12644     LoadLevel(level_nr);
12645     LoadScore(level_nr);
12646
12647     SaveLevelSetup_SeriesInfo();
12648
12649     TapeErase();
12650
12651     ResetUndoBuffer();
12652     DrawEditModeWindow();
12653
12654     if (level.game_engine_type != last_game_engine_type)
12655     {
12656       /* update element selection list */
12657       ReinitializeElementList();
12658       ModifyEditorElementList();
12659     }
12660
12661     return;
12662   }
12663
12664   switch (counter_id)
12665   {
12666     case ED_COUNTER_ID_YAMYAM_CONTENT:
12667       DrawYamYamContentAreas();
12668       break;
12669
12670     case ED_COUNTER_ID_BALL_CONTENT:
12671       DrawMagicBallContentAreas();
12672       break;
12673
12674     case ED_COUNTER_ID_ANDROID_CONTENT:
12675       DrawAndroidElementArea(properties_element);
12676       break;
12677
12678     case ED_COUNTER_ID_GROUP_CONTENT:
12679       DrawGroupElementArea(properties_element);
12680       CopyGroupElementPropertiesToGame(properties_element);
12681       break;
12682
12683     case ED_COUNTER_ID_INVENTORY_SIZE:
12684       DrawPlayerInitialInventoryArea(properties_element);
12685       break;
12686
12687     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12688     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12689       DrawEnvelopeTextArea(-1);
12690       break;
12691
12692     case ED_COUNTER_ID_LEVEL_XSIZE:
12693     case ED_COUNTER_ID_LEVEL_YSIZE:
12694       lev_fieldx = level.fieldx;
12695       lev_fieldy = level.fieldy;
12696
12697       /* check if resizing of level results in change of border border */
12698       SetBorderElement();
12699
12700       break;
12701
12702     default:
12703       break;
12704   }
12705
12706   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12707        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12708       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12709        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12710     CopyElementPropertiesToGame(properties_element);
12711
12712   /* do not mark level as modified for certain non-level-changing gadgets */
12713   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12714        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12715       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12716        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12717     return;
12718
12719   level.changed = TRUE;
12720 }
12721
12722 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12723 {
12724   int type_id = gi->custom_type_id;
12725
12726   strcpy(textinput_info[type_id].value, gi->textinput.value);
12727
12728   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12729   {
12730     CopyElementPropertiesToGame(properties_element);
12731
12732     ModifyEditorElementList();  /* update changed button info text */
12733   }
12734
12735   /* do not mark level as modified for certain non-level-changing gadgets */
12736   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12737       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12738     return;
12739
12740   level.changed = TRUE;
12741 }
12742
12743 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12744 {
12745   int type_id = gi->custom_type_id;
12746
12747   strncpy(textarea_info[type_id].value, gi->textarea.value,
12748           MAX_ENVELOPE_TEXT_LEN);
12749   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12750
12751   level.changed = TRUE;
12752 }
12753
12754 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12755 {
12756   int type_id = gi->custom_type_id;
12757   int value_old = *selectbox_info[type_id].value;
12758   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12759
12760   *selectbox_info[type_id].value = value_new;
12761
12762   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12763   {
12764     DrawLevelInfoWindow();
12765   }
12766   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12767   {
12768     element_info[properties_element].current_change_page = gi->selectbox.index;
12769
12770     DrawPropertiesWindow();
12771   }
12772   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12773             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12774            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12775             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12776            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12777   {
12778     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12779     {
12780       /* when changing action type, also check action mode and action arg */
12781       if (value_old != value_new)
12782         setSelectboxSpecialActionVariablesIfNeeded();
12783
12784       DrawPropertiesChange();
12785     }
12786
12787     CopyElementPropertiesToGame(properties_element);
12788   }
12789   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12790   {
12791     /* update element selection list */
12792     ReinitializeElementList();
12793     ModifyEditorElementList();
12794   }
12795
12796   /* do not mark level as modified for certain non-level-changing gadgets */
12797   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12798       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12799     return;
12800
12801   level.changed = TRUE;
12802 }
12803
12804 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12805 {
12806   int type_id = gi->custom_type_id;
12807   int i;
12808
12809   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12810       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12811   {
12812     edit_mode_levelinfo = gi->custom_type_id;
12813
12814     DrawLevelInfoWindow();
12815   }
12816   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12817            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12818   {
12819     edit_mode_properties = gi->custom_type_id;
12820
12821     DrawPropertiesWindow();
12822   }
12823   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12824            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12825   {
12826     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12827
12828     /* backup original "level.field" (needed to track playfield changes) */
12829     CopyPlayfield(level.field, FieldBackup);
12830
12831     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12832     CopyPlayfield(Feld, level.field);
12833
12834     if (new_template ||
12835         Request("Save this template and kill the old?", REQ_ASK))
12836       SaveLevelTemplate();
12837
12838     if (new_template)
12839       Request("Template saved!", REQ_CONFIRM);
12840
12841     /* restore original "level.field" (needed to track playfield changes) */
12842     CopyPlayfield(FieldBackup, level.field);
12843   }
12844   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12845   {
12846     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12847
12848     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12849         leveldir_current->readonly)
12850     {
12851       Request("This level set is read only!", REQ_CONFIRM);
12852
12853       return;
12854     }
12855
12856     if (strEqual(levelset_name, ""))
12857     {
12858       Request("Please enter level set title!", REQ_CONFIRM);
12859
12860       return;
12861     }
12862
12863     if (strEqual(levelset_author, ""))
12864     {
12865       Request("Please enter level set author!", REQ_CONFIRM);
12866
12867       return;
12868     }
12869
12870     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12871     {
12872       if (UpdateUserLevelSet(levelset_subdir,
12873                              levelset_name,
12874                              levelset_author,
12875                              levelset_num_levels))
12876       {
12877         Request("Level set updated!", REQ_CONFIRM);
12878       }
12879       else
12880       {
12881         Request("Updating level set failed!", REQ_CONFIRM);
12882       }
12883     }
12884     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
12885     {
12886       if (level.changed && !Request("Level has changed! Discard changes?",
12887                                      REQ_ASK))
12888         return;
12889
12890       if (CreateUserLevelSet(levelset_subdir,
12891                              levelset_name,
12892                              levelset_author,
12893                              levelset_num_levels,
12894                              levelset_use_levelset_artwork))
12895       {
12896         if (levelset_copy_level_template)
12897           CopyLevelTemplateToUserLevelSet(levelset_subdir);
12898
12899         Request("New level set created!", REQ_CONFIRM);
12900
12901         AddUserLevelSetToLevelInfo(levelset_subdir);
12902         ChangeEditorToLevelSet(levelset_subdir);
12903       }
12904       else
12905       {
12906         Request("Creating new level set failed!", REQ_CONFIRM);
12907       }
12908     }
12909   }
12910   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12911            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12912   {
12913     struct ElementInfo *ei = &element_info[properties_element];
12914
12915     /* when modifying custom element, ask for copying level template */
12916     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12917       return;
12918
12919     setElementChangePages(ei, ei->num_change_pages + 1);
12920
12921     /* set new change page to be new current change page */
12922     ei->current_change_page = ei->num_change_pages - 1;
12923     ei->change = &ei->change_page[ei->current_change_page];
12924
12925     setElementChangeInfoToDefaults(ei->change);
12926
12927     DrawPropertiesWindow();
12928
12929     level.changed = TRUE;
12930   }
12931   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12932            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12933   {
12934     struct ElementInfo *ei = &element_info[properties_element];
12935
12936     /* when modifying custom element, ask for copying level template */
12937     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12938       return;
12939
12940     /* copy all change pages after change page to be deleted */
12941     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12942       ei->change_page[i] = ei->change_page[i + 1];
12943
12944     setElementChangePages(ei, ei->num_change_pages - 1);
12945
12946     DrawPropertiesWindow();
12947
12948     level.changed = TRUE;
12949   }
12950 }
12951
12952 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12953 {
12954   int type_id = gi->custom_type_id;
12955
12956   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12957       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12958   {
12959     struct ElementInfo *ei = &element_info[properties_element];
12960     int step = BUTTON_STEPSIZE(gi->event.button);
12961
12962     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12963     ei->current_change_page += step;
12964
12965     if (ei->current_change_page < 0)
12966       ei->current_change_page = 0;
12967     else if (ei->current_change_page >= ei->num_change_pages)
12968       ei->current_change_page = ei->num_change_pages - 1;
12969
12970     DrawPropertiesWindow();
12971   }
12972   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12973            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12974   {
12975     struct ElementInfo *ei = &element_info[properties_element];
12976     int current_change_page = ei->current_change_page;
12977
12978     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12979     {
12980       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12981         ei->change_page[current_change_page];
12982     }
12983     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12984     {
12985       /* when modifying custom element, ask for copying level template */
12986       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12987         return;
12988
12989       ei->change_page[current_change_page] =
12990         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12991
12992       level.changed = TRUE;
12993     }
12994
12995     DrawPropertiesWindow();
12996   }
12997 }
12998
12999 static void HandleRadiobuttons(struct GadgetInfo *gi)
13000 {
13001   int type_id = gi->custom_type_id;
13002
13003   *radiobutton_info[type_id].value =
13004     radiobutton_info[type_id].checked_value;
13005
13006   /* do not mark level as modified for certain non-level-changing gadgets */
13007   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13008       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13009     return;
13010
13011   level.changed = TRUE;
13012 }
13013
13014 static void HandleCheckbuttons(struct GadgetInfo *gi)
13015 {
13016   int type_id = gi->custom_type_id;
13017
13018   *checkbutton_info[type_id].value ^= TRUE;
13019
13020   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13021       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13022       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13023       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13024          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13025         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13026          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13027        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13028   {
13029     CopyElementPropertiesToGame(properties_element);
13030   }
13031
13032   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13033   {
13034     UpdateCustomElementGraphicGadgets();
13035   }
13036   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13037            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13038   {
13039     boolean template_related_changes_found = FALSE;
13040     int i;
13041
13042     /* check if any custom or group elements have been changed */
13043     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13044       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13045           element_info[i].modified_settings)
13046         template_related_changes_found = TRUE;
13047
13048     if (level.use_custom_template &&
13049         !fileExists(getGlobalLevelTemplateFilename()))
13050     {
13051       Request("No level template found!", REQ_CONFIRM);
13052
13053       level.use_custom_template = FALSE;
13054
13055       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13056
13057       return;
13058     }
13059
13060     if (level.use_custom_template &&
13061         template_related_changes_found &&
13062         !Request("Discard changes and use level template?", REQ_ASK))
13063     {
13064       level.use_custom_template = FALSE;
13065
13066       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13067
13068       return;
13069     }
13070
13071     if (!level.use_custom_template &&
13072         Request("Copy settings from level template?", REQ_ASK))
13073     {
13074       return;
13075     }
13076
13077     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13078
13079     DrawEditModeWindow();
13080   }
13081   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13082   {
13083     if (setup.editor.use_template_for_new_levels &&
13084         !fileExists(getGlobalLevelTemplateFilename()))
13085     {
13086       Request("No level template found!", REQ_CONFIRM);
13087
13088       return;
13089     }
13090
13091     if (setup.editor.use_template_for_new_levels &&
13092         level.changed &&
13093         !Request("Discard level and load template?", REQ_ASK))
13094     {
13095       return;
13096     }
13097
13098     if (!setup.editor.use_template_for_new_levels &&
13099         level.changed &&
13100         !Request("Discard level and use empty level?", REQ_ASK))
13101     {
13102       return;
13103     }
13104
13105     LoadLevel(level_nr);
13106     LoadScore(level_nr);
13107
13108     TapeErase();
13109
13110     ResetUndoBuffer();
13111     DrawEditModeWindow();
13112   }
13113   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13114   {
13115     SetAutomaticNumberOfGemsNeeded();
13116   }
13117
13118   /* do not mark level as modified for certain non-level-changing gadgets */
13119   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13120        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13121       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13122        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
13123       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13124     return;
13125
13126   level.changed = TRUE;
13127 }
13128
13129 static void HandleControlButtons(struct GadgetInfo *gi)
13130 {
13131   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13132   static int last_edit_mode = ED_MODE_DRAWING;
13133   static int last_custom_copy_mode = -1;
13134   static int last_button = 0;
13135   int id = gi->custom_id;
13136   int button = gi->event.button;
13137   int step = BUTTON_STEPSIZE(button);
13138   int new_element = BUTTON_ELEMENT(button);
13139   int last_properties_element = properties_element;
13140   int x, y;
13141
13142   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13143     DrawLevelText(0, 0, 0, TEXT_END);
13144
13145   if (id < ED_NUM_CTRL1_BUTTONS &&
13146       id != GADGET_ID_SINGLE_ITEMS &&
13147       id != GADGET_ID_PICK_ELEMENT &&
13148       edit_mode != ED_MODE_DRAWING &&
13149       drawing_function != GADGET_ID_PICK_ELEMENT &&
13150       !(GetKeyModState() & KMOD_Control))
13151     ChangeEditModeWindow(ED_MODE_DRAWING);
13152
13153   /* element copy mode active, but no element button pressed => deactivate */
13154   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13155     last_custom_copy_mode = -1;
13156
13157   /* when showing palette on element buttons, change element of button used */
13158   if (editor.palette.show_on_element_buttons &&
13159       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13160   {
13161     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13162
13163     id = GADGET_ID_PALETTE;
13164   }
13165
13166   switch (id)
13167   {
13168     case GADGET_ID_SCROLL_LEFT:
13169       if (level_xpos >= 0)
13170       {
13171         if (lev_fieldx < ed_fieldx - 2)
13172           break;
13173
13174         level_xpos -= step;
13175         if (level_xpos < -1)
13176           level_xpos = -1;
13177         if (button == 1)
13178           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13179         else
13180           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13181
13182         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13183                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13184       }
13185       break;
13186
13187     case GADGET_ID_SCROLL_RIGHT:
13188       if (level_xpos <= lev_fieldx - ed_fieldx)
13189       {
13190         if (lev_fieldx < ed_fieldx - 2)
13191           break;
13192
13193         level_xpos += step;
13194         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13195           level_xpos = lev_fieldx - ed_fieldx + 1;
13196         if (button == 1)
13197           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13198         else
13199           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13200
13201         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13202                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13203       }
13204       break;
13205
13206     case GADGET_ID_SCROLL_UP:
13207       if (level_ypos >= 0)
13208       {
13209         if (lev_fieldy < ed_fieldy - 2)
13210           break;
13211
13212         level_ypos -= step;
13213         if (level_ypos < -1)
13214           level_ypos = -1;
13215         if (button == 1)
13216           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13217         else
13218           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13219
13220         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13221                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13222       }
13223       break;
13224
13225     case GADGET_ID_SCROLL_DOWN:
13226       if (level_ypos <= lev_fieldy - ed_fieldy)
13227       {
13228         if (lev_fieldy < ed_fieldy - 2)
13229           break;
13230
13231         level_ypos += step;
13232         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13233           level_ypos = lev_fieldy - ed_fieldy + 1;
13234         if (button == 1)
13235           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13236         else
13237           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13238
13239         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13240                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13241       }
13242       break;
13243
13244     case GADGET_ID_SCROLL_HORIZONTAL:
13245       level_xpos = gi->event.item_position - 1;
13246
13247       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13248       BackToFront();
13249
13250       break;
13251
13252     case GADGET_ID_SCROLL_VERTICAL:
13253       level_ypos = gi->event.item_position - 1;
13254
13255       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13256       BackToFront();
13257
13258       break;
13259
13260     case GADGET_ID_SCROLL_LIST_UP:
13261     case GADGET_ID_SCROLL_LIST_DOWN:
13262     case GADGET_ID_SCROLL_LIST_VERTICAL:
13263       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13264         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13265       else
13266       {
13267         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13268         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13269
13270         if (element_shift < 0)
13271           element_shift = 0;
13272         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13273           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13274
13275         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13276                      GDI_SCROLLBAR_ITEM_POSITION,
13277                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13278       }
13279
13280       ModifyEditorElementList();
13281
13282       break;
13283
13284     case GADGET_ID_PROPERTIES:
13285       // always switch off element properties when they are already displayed
13286       last_properties_element = new_element;
13287     case GADGET_ID_ELEMENT_LEFT:
13288     case GADGET_ID_ELEMENT_MIDDLE:
13289     case GADGET_ID_ELEMENT_RIGHT:
13290       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13291                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13292                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13293                             new_element);
13294
13295       if (edit_mode != ED_MODE_PROPERTIES)
13296       {
13297         last_edit_mode = edit_mode;
13298
13299         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13300
13301         last_level_drawing_function = drawing_function;
13302         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13303                       MB_LEFTBUTTON);
13304       }
13305       else if (properties_element != last_properties_element)
13306       {
13307         DrawEditModeWindow();
13308       }
13309       else
13310       {
13311         ChangeEditModeWindow(last_edit_mode);
13312
13313         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13314                       MB_LEFTBUTTON);
13315       }
13316       break;
13317
13318     case GADGET_ID_PALETTE:
13319       if (edit_mode != ED_MODE_PALETTE)
13320       {
13321         last_edit_mode = edit_mode;
13322
13323         ChangeEditModeWindow(ED_MODE_PALETTE);
13324       }
13325       else
13326       {
13327         ChangeEditModeWindow(last_edit_mode);
13328       }
13329       break;
13330
13331     case GADGET_ID_WRAP_LEFT:
13332       WrapLevel(-step, 0);
13333       break;
13334
13335     case GADGET_ID_WRAP_RIGHT:
13336       WrapLevel(step, 0);
13337       break;
13338
13339     case GADGET_ID_WRAP_UP:
13340       WrapLevel(0, -step);
13341       break;
13342
13343     case GADGET_ID_WRAP_DOWN:
13344       WrapLevel(0, step);
13345       break;
13346
13347     case GADGET_ID_SINGLE_ITEMS:
13348     case GADGET_ID_CONNECTED_ITEMS:
13349     case GADGET_ID_LINE:
13350     case GADGET_ID_ARC:
13351     case GADGET_ID_TEXT:
13352     case GADGET_ID_RECTANGLE:
13353     case GADGET_ID_FILLED_BOX:
13354     case GADGET_ID_FLOOD_FILL:
13355     case GADGET_ID_GRAB_BRUSH:
13356     case GADGET_ID_PICK_ELEMENT:
13357       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13358         last_drawing_function = drawing_function;
13359       drawing_function = id;
13360       draw_with_brush = FALSE;
13361       break;
13362
13363     case GADGET_ID_RANDOM_PLACEMENT:
13364       RandomPlacement(new_element);
13365       break;
13366
13367     case GADGET_ID_ZOOM:
13368       // zoom level editor tile size in or out (or reset to default size)
13369       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13370                      button == 2 ? ed_tilesize_default :
13371                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13372
13373       // limit zoom level by upper and lower bound
13374       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13375
13376       InitZoomLevelSettings(ed_tilesize);
13377
13378       if (edit_mode == ED_MODE_DRAWING)
13379       {
13380         DrawDrawingWindow();
13381
13382         /* redraw zoom gadget info text */
13383         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13384       }
13385
13386       /* save current editor zoom tilesize */
13387       SaveSetup_AutoSetup();
13388
13389       break;
13390
13391     case GADGET_ID_CUSTOM_COPY_FROM:
13392     case GADGET_ID_CUSTOM_COPY_TO:
13393     case GADGET_ID_CUSTOM_EXCHANGE:
13394       last_custom_copy_mode = id;
13395       last_drawing_function = drawing_function;
13396       break;
13397
13398     case GADGET_ID_CUSTOM_COPY:
13399       CopyCustomElement(properties_element, -1, id);
13400       break;
13401
13402     case GADGET_ID_CUSTOM_PASTE:
13403       CopyCustomElement(-1, properties_element, id);
13404       break;
13405
13406     case GADGET_ID_UNDO:
13407       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13408         button = 3;
13409
13410       if (button == 1 && undo_buffer_steps == 0)
13411       {
13412         Request("Undo buffer empty!", REQ_CONFIRM);
13413
13414         break;
13415       }
13416       else if (button == 2)
13417       {
13418         break;
13419       }
13420       else if (button == 3 && redo_buffer_steps == 0)
13421       {
13422         Request("Redo buffer empty!", REQ_CONFIRM);
13423
13424         break;
13425       }
13426
13427       if (edit_mode != ED_MODE_DRAWING)
13428         ChangeEditModeWindow(ED_MODE_DRAWING);
13429
13430       if (button == 1)
13431       {
13432         /* undo */
13433
13434         undo_buffer_position =
13435           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13436
13437         undo_buffer_steps--;
13438         redo_buffer_steps++;
13439       }
13440       else
13441       {
13442         /* redo */
13443
13444         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13445
13446         undo_buffer_steps++;
13447         redo_buffer_steps--;
13448       }
13449
13450       for (x = 0; x < lev_fieldx; x++)
13451         for (y = 0; y < lev_fieldy; y++)
13452           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13453
13454       /* check if undo operation forces change of border style */
13455       CheckLevelBorderElement(FALSE);
13456
13457       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13458
13459       break;
13460
13461     case GADGET_ID_INFO:
13462       if (edit_mode != ED_MODE_INFO)
13463       {
13464         last_edit_mode = edit_mode;
13465
13466         ChangeEditModeWindow(ED_MODE_INFO);
13467       }
13468       else
13469       {
13470         ChangeEditModeWindow(last_edit_mode);
13471       }
13472       break;
13473
13474     case GADGET_ID_CLEAR:
13475       if (edit_mode != ED_MODE_DRAWING)
13476         ChangeEditModeWindow(ED_MODE_DRAWING);
13477
13478       for (x = 0; x < MAX_LEV_FIELDX; x++)
13479         for (y = 0; y < MAX_LEV_FIELDY; y++)
13480           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13481
13482       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13483
13484       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13485       break;
13486
13487     case GADGET_ID_SAVE:
13488     {
13489       /* saving read-only levels into personal level set modifies global vars
13490          "leveldir_current" and "level_nr"; restore them after saving level */
13491       LevelDirTree *leveldir_former = leveldir_current;
13492       int level_nr_former = level_nr;
13493       char *level_filename;
13494       boolean new_level;
13495
13496       if (leveldir_current->readonly &&
13497           !PrepareSavingIntoPersonalLevelSet())
13498         break;
13499
13500       level_filename = getDefaultLevelFilename(level_nr);
13501       new_level = !fileExists(level_filename);
13502
13503       if (new_level ||
13504           Request("Save this level and kill the old?", REQ_ASK))
13505       {
13506         if (leveldir_former->readonly)
13507           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13508
13509         SetAutomaticNumberOfGemsNeeded();
13510
13511         CopyPlayfield(Feld, level.field);
13512         SaveLevel(level_nr);
13513
13514         level.changed = FALSE;
13515
13516         if (new_level)
13517         {
13518           char level_saved_msg[64];
13519
13520           if (leveldir_former->readonly)
13521             sprintf(level_saved_msg,
13522                     "Level saved as level %d into personal level set!",
13523                     level_nr);
13524           else
13525             strcpy(level_saved_msg, "Level saved!");
13526
13527           Request(level_saved_msg, REQ_CONFIRM);
13528         }
13529       }
13530
13531       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13532       leveldir_current = leveldir_former;
13533       level_nr = level_nr_former;
13534
13535       break;
13536     }
13537
13538     case GADGET_ID_TEST:
13539       if (LevelChanged())
13540         level.game_version = GAME_VERSION_ACTUAL;
13541
13542       CopyPlayfield(level.field, FieldBackup);
13543       CopyPlayfield(Feld, level.field);
13544
13545       CopyNativeLevel_RND_to_Native(&level);
13546
13547       UnmapLevelEditorGadgets();
13548       UndrawSpecialEditorDoor();
13549
13550       CloseDoor(DOOR_CLOSE_ALL);
13551
13552       /* needed before playing if editor playfield area has different size */
13553       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13554
13555       // redraw_mask = REDRAW_ALL;
13556
13557       level_editor_test_game = TRUE;
13558
13559       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13560
13561       break;
13562
13563     case GADGET_ID_EXIT:
13564       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13565       break;
13566
13567     default:
13568       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13569           id <= GADGET_ID_ELEMENTLIST_LAST)
13570       {
13571         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13572         int new_element = editor_elements[element_position + element_shift];
13573
13574         if (IS_EDITOR_CASCADE(new_element))
13575         {
13576           int i;
13577
13578           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13579           {
13580             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13581             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13582
13583             if (*cascade_element == new_element)
13584             {
13585               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13586               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13587
13588               /* update element selection list */
13589               ReinitializeElementList();
13590               ModifyEditorElementList();
13591
13592               /* update cascading gadget info text */
13593               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13594
13595               /* save current editor cascading state */
13596               SaveSetup_EditorCascade();
13597
13598               break;
13599             }
13600           }
13601
13602           break;
13603         }
13604
13605         if (last_custom_copy_mode != -1)
13606         {
13607           if (CopyCustomElement(properties_element, new_element,
13608                                 last_custom_copy_mode))
13609           {
13610             ClickOnGadget(level_editor_gadget[last_drawing_function],
13611                           MB_LEFTBUTTON);
13612
13613             last_custom_copy_mode = -1;
13614           }
13615
13616           break;
13617         }
13618
13619         /* change element of button used to show palette */
13620         if (editor.palette.show_on_element_buttons)
13621           button = last_button;
13622
13623         PickDrawingElement(button, new_element);
13624
13625         if (!stick_element_properties_window &&
13626             drawing_function != GADGET_ID_PICK_ELEMENT &&
13627             !(GetKeyModState() & KMOD_Control))
13628         {
13629           properties_element = new_element;
13630           if (edit_mode == ED_MODE_PROPERTIES)
13631             DrawPropertiesWindow();
13632         }
13633
13634         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13635           ClickOnGadget(level_editor_gadget[last_drawing_function],
13636                         MB_LEFTBUTTON);
13637
13638         if (!use_permanent_palette)
13639           ChangeEditModeWindow(last_edit_mode);
13640       }
13641 #ifdef DEBUG
13642       else if (gi->event.type == GD_EVENT_PRESSED)
13643         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13644       else if (gi->event.type == GD_EVENT_RELEASED)
13645         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13646       else if (gi->event.type == GD_EVENT_MOVING)
13647         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13648       else
13649         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13650 #endif
13651       break;
13652   }
13653 }
13654
13655 void HandleLevelEditorKeyInput(Key key)
13656 {
13657   char letter = getCharFromKey(key);
13658   int button = MB_LEFTBUTTON;
13659
13660   if (drawing_function == GADGET_ID_TEXT &&
13661       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13662   {
13663     if (letter)
13664       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13665     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13666       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13667     else if (key == KSYM_Return)
13668       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13669     else if (key == KSYM_Escape)
13670       DrawLevelText(0, 0, 0, TEXT_END);
13671   }
13672   else if (button_status == MB_RELEASED)
13673   {
13674     int id = GADGET_ID_NONE;
13675     int new_element_shift = element_shift;
13676     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13677     int i;
13678
13679     switch (key)
13680     {
13681       case KSYM_Left:
13682         id = GADGET_ID_SCROLL_LEFT;
13683         break;
13684       case KSYM_Right:
13685         id = GADGET_ID_SCROLL_RIGHT;
13686         break;
13687       case KSYM_Up:
13688         id = GADGET_ID_SCROLL_UP;
13689         break;
13690       case KSYM_Down:
13691         id = GADGET_ID_SCROLL_DOWN;
13692         break;
13693
13694       case KSYM_Page_Up:
13695       case KSYM_Page_Down:
13696         step *= (key == KSYM_Page_Up ? -1 : +1);
13697         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13698
13699         if (element_shift < 0)
13700           element_shift = 0;
13701         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13702           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13703
13704         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13705                      GDI_SCROLLBAR_ITEM_POSITION,
13706                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13707
13708         ModifyEditorElementList();
13709
13710         break;
13711
13712       case KSYM_Home:
13713       case KSYM_End:
13714         element_shift = (key == KSYM_Home ? 0 :
13715                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13716
13717         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13718                      GDI_SCROLLBAR_ITEM_POSITION,
13719                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13720
13721         ModifyEditorElementList();
13722
13723         break;
13724
13725       case KSYM_Insert:
13726       case KSYM_Delete:
13727
13728         /* this is needed to prevent interference with running "True X-Mouse" */
13729         if (GetKeyModStateFromEvents() & KMOD_Control)
13730           break;
13731
13732         /* check for last or next editor cascade block in element list */
13733         for (i = 0; i < num_editor_elements; i++)
13734         {
13735           if ((key == KSYM_Insert && i == element_shift) ||
13736               (key == KSYM_Delete && new_element_shift > element_shift))
13737             break;
13738
13739           /* jump to next cascade block (or to start of element list) */
13740           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13741             new_element_shift = i;
13742         }
13743
13744         if (i < num_editor_elements)
13745           element_shift = new_element_shift;
13746
13747         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13748           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13749
13750         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13751                      GDI_SCROLLBAR_ITEM_POSITION,
13752                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13753
13754         ModifyEditorElementList();
13755
13756         break;
13757
13758       case KSYM_Escape:
13759         if (edit_mode == ED_MODE_DRAWING)
13760         {
13761           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13762         }
13763         else if (edit_mode == ED_MODE_INFO)
13764         {
13765           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13766         }
13767         else if (edit_mode == ED_MODE_PROPERTIES)
13768         {
13769           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13770         }
13771         else if (edit_mode == ED_MODE_PALETTE)
13772         {
13773           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13774         }
13775         else            /* should never happen */
13776         {
13777           ChangeEditModeWindow(ED_MODE_DRAWING);
13778         }
13779
13780         break;
13781
13782       default:
13783         break;
13784     }
13785
13786     if (id != GADGET_ID_NONE)
13787       ClickOnGadget(level_editor_gadget[id], button);
13788     else if (letter == '1' || letter == '?')
13789       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13790     else if (letter == '2')
13791       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13792     else if (letter == '3')
13793       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13794     else if (letter == '.')
13795       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13796     else if (letter == 'U')
13797       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13798     else if (letter == '-' || key == KSYM_KP_Subtract)
13799       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13800     else if (letter == '0' || key == KSYM_KP_0)
13801       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13802     else if (letter == '+' || key == KSYM_KP_Add ||
13803              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13804       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13805     else if (key == KSYM_Return ||
13806              key == KSYM_space ||
13807              key == setup.shortcut.toggle_pause)
13808       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13809     else
13810       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13811         if (letter && letter == controlbutton_info[i].shortcut)
13812           if (!anyTextGadgetActive())
13813             ClickOnGadget(level_editor_gadget[i], button);
13814   }
13815 }
13816
13817 void HandleLevelEditorIdle()
13818 {
13819   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13820   int x = editor.settings.element_graphic.x + element_border;
13821   int y = editor.settings.element_graphic.y + element_border;
13822   static unsigned int action_delay = 0;
13823   unsigned int action_delay_value = GameFrameDelay;
13824   int i;
13825
13826   if (edit_mode != ED_MODE_PROPERTIES)
13827     return;
13828
13829   if (!DelayReached(&action_delay, action_delay_value))
13830     return;
13831
13832   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13833   {
13834     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13835
13836     if (gi->mapped && gi->active && gi->selectbox.open)
13837       return;
13838   }
13839
13840   DrawEditorElementAnimation(SX + x, SY + y);
13841
13842   redraw_mask |= REDRAW_FIELD;
13843
13844   FrameCounter++;       /* increase animation frame counter */
13845 }
13846
13847 static void ClearEditorGadgetInfoText()
13848 {
13849   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13850 }
13851
13852 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13853 {
13854   char infotext[MAX_OUTPUT_LINESIZE + 1];
13855   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13856   int max_infotext_len = getMaxInfoTextLength();
13857
13858   if (gi == NULL || strlen(gi->info_text) == 0)
13859     return;
13860
13861   strncpy(infotext, gi->info_text, max_infotext_len);
13862   infotext[max_infotext_len] = '\0';
13863
13864   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13865   {
13866     int key = controlbutton_info[gi->custom_id].shortcut;
13867
13868     if (key)
13869     {
13870       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13871         sprintf(shortcut, " ('.' or '%c')", key);
13872       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13873         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13874       else if (gi->custom_id == GADGET_ID_TEST)
13875         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13876       else if (gi->custom_id == GADGET_ID_UNDO)
13877         sprintf(shortcut, " ('%c/Shift-U')", key);
13878       else if (gi->custom_id == GADGET_ID_ZOOM)
13879         sprintf(shortcut, " ('%c', '0', '-')", key);
13880       else
13881         sprintf(shortcut, " ('%s%c')",
13882                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13883
13884       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13885         strcat(infotext, shortcut);
13886     }
13887   }
13888
13889   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13890 }
13891
13892 void HandleEditorGadgetInfoText(void *ptr)
13893 {
13894   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13895
13896   if (game_status != GAME_MODE_EDITOR)
13897     return;
13898
13899   ClearEditorGadgetInfoText();
13900
13901   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13902     return;
13903
13904   /* misuse this function to delete brush cursor, if needed */
13905   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13906     DeleteBrushFromCursor();
13907
13908   PrintEditorGadgetInfoText(gi);
13909 }
13910
13911 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13912 {
13913   static int start_lx, start_ly;
13914   int id = gi->custom_id;
13915   int type_id = gi->custom_type_id;
13916   int sx = gi->event.x;
13917   int sy = gi->event.y;
13918   int lx = sx + level_xpos;
13919   int ly = sy + level_ypos;
13920   int min_sx = 0, min_sy = 0;
13921   int max_sx = gi->drawing.area_xsize - 1;
13922   int max_sy = gi->drawing.area_ysize - 1;
13923   int actual_drawing_function = drawing_function;
13924   int max_infotext_len = getMaxInfoTextLength();
13925   char infotext[MAX_OUTPUT_LINESIZE + 1];
13926   char *text;
13927
13928   infotext[0] = '\0';           /* start with empty info text */
13929
13930   /* pressed Control key: simulate picking element */
13931   if (GetKeyModState() & KMOD_Control)
13932     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13933
13934   ClearEditorGadgetInfoText();
13935
13936   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13937     return;
13938
13939   /* make sure to stay inside drawing area boundaries */
13940   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13941   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13942
13943   if (id == GADGET_ID_DRAWING_LEVEL)
13944   {
13945     if (button_status)
13946     {
13947       int min_lx = 0, min_ly = 0;
13948       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13949
13950       /* get positions inside level field */
13951       lx = sx + level_xpos;
13952       ly = sy + level_ypos;
13953
13954       /* make sure to stay inside level field boundaries */
13955       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13956       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13957
13958       /* correct drawing area positions accordingly */
13959       sx = lx - level_xpos;
13960       sy = ly - level_ypos;
13961     }
13962
13963     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13964     {
13965       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13966       {
13967         if (gi->event.type == GD_EVENT_PRESSED)
13968         {
13969           start_lx = lx;
13970           start_ly = ly;
13971         }
13972
13973         switch (actual_drawing_function)
13974         {
13975           case GADGET_ID_SINGLE_ITEMS:
13976             text = "Drawing single items";
13977             break;
13978           case GADGET_ID_CONNECTED_ITEMS:
13979             text = "Drawing connected items";
13980             break;
13981           case GADGET_ID_LINE:
13982             text = "Drawing line";
13983             break;
13984           case GADGET_ID_ARC:
13985             text = "Drawing arc";
13986             break;
13987           case GADGET_ID_TEXT:
13988             text = "Setting text cursor";
13989             break;
13990           case GADGET_ID_RECTANGLE:
13991             text = "Drawing rectangle";
13992             break;
13993           case GADGET_ID_FILLED_BOX:
13994             text = "Drawing filled box";
13995             break;
13996           case GADGET_ID_FLOOD_FILL:
13997             text = "Flood fill";
13998             break;
13999           case GADGET_ID_GRAB_BRUSH:
14000             text = "Grabbing brush";
14001             break;
14002           case GADGET_ID_PICK_ELEMENT:
14003             text = "Picking element";
14004             break;
14005
14006           default:
14007             text = "Drawing position";
14008             break;
14009         }
14010
14011         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14012           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14013         else
14014           sprintf(infotext, "%s: %d, %d", text,
14015                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14016       }
14017       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14018         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14019       else
14020         sprintf(infotext, "Level position: %d, %d", lx, ly);
14021     }
14022
14023     /* misuse this function to draw brush cursor, if needed */
14024     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14025     {
14026       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14027         CopyBrushToCursor(sx, sy);
14028       else
14029         DeleteBrushFromCursor();
14030     }
14031   }
14032   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14033   {
14034     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14035     int element = drawingarea_info[type_id].value[pos];
14036
14037     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14038   }
14039   else
14040   {
14041     if (id == GADGET_ID_CUSTOM_CONTENT)
14042       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14043     else if (id == GADGET_ID_GROUP_CONTENT)
14044       sprintf(infotext, "group element position: %d", sx + 1);
14045     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14046              id <= GADGET_ID_YAMYAM_CONTENT_7)
14047       sprintf(infotext, "content area %d position: %d, %d",
14048               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14049     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14050              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14051       sprintf(infotext, "content area %d position: %d, %d",
14052               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14053     else if (id == GADGET_ID_ANDROID_CONTENT)
14054       sprintf(infotext, "android element position: %d", sx + 1);
14055     else if (drawingarea_info[type_id].infotext != NULL)
14056       strcpy(infotext, drawingarea_info[type_id].infotext);
14057   }
14058
14059   infotext[max_infotext_len] = '\0';
14060
14061   if (strlen(infotext) > 0)
14062     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14063 }
14064
14065 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14066                             boolean quick_quit)
14067 {
14068   if (!ask_if_level_has_changed ||
14069       !LevelChanged() ||
14070       Request("Level has changed! Exit without saving?",
14071               REQ_ASK | REQ_STAY_OPEN))
14072   {
14073     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14074     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14075
14076     /* draw normal door */
14077     UndrawSpecialEditorDoor();
14078
14079     // use door animation if door 1 viewport is unchanged and contains toolbox
14080     if (useEditorDoorAnimation())
14081       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14082
14083     // close editor doors if viewport definition is the same as in main menu
14084     if (vp_door_1->x      == DX     &&
14085         vp_door_1->y      == DY     &&
14086         vp_door_1->width  == DXSIZE &&
14087         vp_door_1->height == DYSIZE &&
14088         vp_door_2->x      == VX     &&
14089         vp_door_2->y      == VY     &&
14090         vp_door_2->width  == VXSIZE &&
14091         vp_door_2->height == VYSIZE)
14092       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14093     else
14094       SetDoorState(DOOR_CLOSE_2);
14095
14096     BackToFront();
14097
14098     if (quick_quit)
14099       FadeSkipNextFadeIn();
14100
14101     SetGameStatus(GAME_MODE_MAIN);
14102
14103     DrawMainMenu();
14104   }
14105   else
14106   {
14107     if (!global.use_envelope_request)
14108     {
14109       CloseDoor(DOOR_CLOSE_1);
14110       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14111     }
14112   }
14113 }