src/editor.c

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