src/editor.c

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