src/editor.c

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