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