src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 /*
  29   -----------------------------------------------------------------------------
  30   screen and artwork graphic pixel position definitions
  31   -----------------------------------------------------------------------------
  32 */
  33
  34 // values for the control window
  35 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  46 #define ED_CTRL6_BUTTONS_VERT           1
  47 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  48 #define ED_CTRL7_BUTTONS_VERT           1
  49
  50 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  51 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  52 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  53 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  54 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  55 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  56 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  57 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  58 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  59 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  60 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  61 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  62 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  63 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  64
  65 // values for the element list
  66 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  67 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  68 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  69 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 /*
 358   -----------------------------------------------------------------------------
 359   editor gadget definitions
 360   -----------------------------------------------------------------------------
 361 */
 362
 363 enum
 364 {
 365   GADGET_ID_NONE = -1,
 366
 367   // drawing toolbox buttons
 368
 369   GADGET_ID_SINGLE_ITEMS,
 370   GADGET_ID_CONNECTED_ITEMS,
 371   GADGET_ID_LINE,
 372   GADGET_ID_ARC,
 373   GADGET_ID_RECTANGLE,
 374   GADGET_ID_FILLED_BOX,
 375   GADGET_ID_WRAP_UP,
 376   GADGET_ID_TEXT,
 377   GADGET_ID_FLOOD_FILL,
 378   GADGET_ID_WRAP_LEFT,
 379   GADGET_ID_ZOOM,
 380   GADGET_ID_WRAP_RIGHT,
 381   GADGET_ID_RANDOM_PLACEMENT,
 382   GADGET_ID_GRAB_BRUSH,
 383   GADGET_ID_WRAP_DOWN,
 384   GADGET_ID_PICK_ELEMENT,
 385
 386   GADGET_ID_UNDO,
 387   GADGET_ID_INFO,
 388   GADGET_ID_SAVE,
 389   GADGET_ID_CLEAR,
 390   GADGET_ID_TEST,
 391   GADGET_ID_EXIT,
 392
 393   GADGET_ID_CUSTOM_COPY_FROM,
 394   GADGET_ID_CUSTOM_COPY_TO,
 395   GADGET_ID_CUSTOM_EXCHANGE,
 396   GADGET_ID_CUSTOM_COPY,
 397   GADGET_ID_CUSTOM_PASTE,
 398
 399   GADGET_ID_PROPERTIES,
 400   GADGET_ID_ELEMENT_LEFT,
 401   GADGET_ID_ELEMENT_MIDDLE,
 402   GADGET_ID_ELEMENT_RIGHT,
 403   GADGET_ID_PALETTE,
 404
 405   // counter gadget identifiers
 406
 407   GADGET_ID_SELECT_LEVEL_DOWN,
 408   GADGET_ID_SELECT_LEVEL_TEXT,
 409   GADGET_ID_SELECT_LEVEL_UP,
 410   GADGET_ID_LEVEL_XSIZE_DOWN,
 411   GADGET_ID_LEVEL_XSIZE_TEXT,
 412   GADGET_ID_LEVEL_XSIZE_UP,
 413   GADGET_ID_LEVEL_YSIZE_DOWN,
 414   GADGET_ID_LEVEL_YSIZE_TEXT,
 415   GADGET_ID_LEVEL_YSIZE_UP,
 416   GADGET_ID_LEVEL_RANDOM_DOWN,
 417   GADGET_ID_LEVEL_RANDOM_TEXT,
 418   GADGET_ID_LEVEL_RANDOM_UP,
 419   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 420   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 421   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 422   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 423   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 424   GADGET_ID_LEVEL_TIMELIMIT_UP,
 425   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 426   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 427   GADGET_ID_LEVEL_TIMESCORE_UP,
 428   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 429   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 430   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 432   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 433   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 434   GADGET_ID_ELEMENT_VALUE1_DOWN,
 435   GADGET_ID_ELEMENT_VALUE1_TEXT,
 436   GADGET_ID_ELEMENT_VALUE1_UP,
 437   GADGET_ID_ELEMENT_VALUE2_DOWN,
 438   GADGET_ID_ELEMENT_VALUE2_TEXT,
 439   GADGET_ID_ELEMENT_VALUE2_UP,
 440   GADGET_ID_ELEMENT_VALUE3_DOWN,
 441   GADGET_ID_ELEMENT_VALUE3_TEXT,
 442   GADGET_ID_ELEMENT_VALUE3_UP,
 443   GADGET_ID_ELEMENT_VALUE4_DOWN,
 444   GADGET_ID_ELEMENT_VALUE4_TEXT,
 445   GADGET_ID_ELEMENT_VALUE4_UP,
 446   GADGET_ID_YAMYAM_CONTENT_DOWN,
 447   GADGET_ID_YAMYAM_CONTENT_TEXT,
 448   GADGET_ID_YAMYAM_CONTENT_UP,
 449   GADGET_ID_BALL_CONTENT_DOWN,
 450   GADGET_ID_BALL_CONTENT_TEXT,
 451   GADGET_ID_BALL_CONTENT_UP,
 452   GADGET_ID_ANDROID_CONTENT_DOWN,
 453   GADGET_ID_ANDROID_CONTENT_TEXT,
 454   GADGET_ID_ANDROID_CONTENT_UP,
 455   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 456   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 457   GADGET_ID_ENVELOPE_XSIZE_UP,
 458   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 459   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 460   GADGET_ID_ENVELOPE_YSIZE_UP,
 461   GADGET_ID_INVENTORY_SIZE_DOWN,
 462   GADGET_ID_INVENTORY_SIZE_TEXT,
 463   GADGET_ID_INVENTORY_SIZE_UP,
 464   GADGET_ID_CUSTOM_SCORE_DOWN,
 465   GADGET_ID_CUSTOM_SCORE_TEXT,
 466   GADGET_ID_CUSTOM_SCORE_UP,
 467   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 468   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 469   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 470   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 471   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 472   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 473   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 474   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 475   GADGET_ID_CUSTOM_VALUE_RND_UP,
 476   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 477   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 478   GADGET_ID_PUSH_DELAY_FIX_UP,
 479   GADGET_ID_PUSH_DELAY_RND_DOWN,
 480   GADGET_ID_PUSH_DELAY_RND_TEXT,
 481   GADGET_ID_PUSH_DELAY_RND_UP,
 482   GADGET_ID_DROP_DELAY_FIX_DOWN,
 483   GADGET_ID_DROP_DELAY_FIX_TEXT,
 484   GADGET_ID_DROP_DELAY_FIX_UP,
 485   GADGET_ID_DROP_DELAY_RND_DOWN,
 486   GADGET_ID_DROP_DELAY_RND_TEXT,
 487   GADGET_ID_DROP_DELAY_RND_UP,
 488   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 489   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 490   GADGET_ID_MOVE_DELAY_FIX_UP,
 491   GADGET_ID_MOVE_DELAY_RND_DOWN,
 492   GADGET_ID_MOVE_DELAY_RND_TEXT,
 493   GADGET_ID_MOVE_DELAY_RND_UP,
 494   GADGET_ID_EXPLOSION_DELAY_DOWN,
 495   GADGET_ID_EXPLOSION_DELAY_TEXT,
 496   GADGET_ID_EXPLOSION_DELAY_UP,
 497   GADGET_ID_IGNITION_DELAY_DOWN,
 498   GADGET_ID_IGNITION_DELAY_TEXT,
 499   GADGET_ID_IGNITION_DELAY_UP,
 500   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 501   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 502   GADGET_ID_CHANGE_DELAY_FIX_UP,
 503   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 504   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 505   GADGET_ID_CHANGE_DELAY_RND_UP,
 506   GADGET_ID_CHANGE_CONT_RND_DOWN,
 507   GADGET_ID_CHANGE_CONT_RND_TEXT,
 508   GADGET_ID_CHANGE_CONT_RND_UP,
 509   GADGET_ID_GROUP_CONTENT_DOWN,
 510   GADGET_ID_GROUP_CONTENT_TEXT,
 511   GADGET_ID_GROUP_CONTENT_UP,
 512
 513   // drawing area identifiers
 514
 515   GADGET_ID_DRAWING_LEVEL,
 516   GADGET_ID_YAMYAM_CONTENT_0,
 517   GADGET_ID_YAMYAM_CONTENT_1,
 518   GADGET_ID_YAMYAM_CONTENT_2,
 519   GADGET_ID_YAMYAM_CONTENT_3,
 520   GADGET_ID_YAMYAM_CONTENT_4,
 521   GADGET_ID_YAMYAM_CONTENT_5,
 522   GADGET_ID_YAMYAM_CONTENT_6,
 523   GADGET_ID_YAMYAM_CONTENT_7,
 524   GADGET_ID_MAGIC_BALL_CONTENT_0,
 525   GADGET_ID_MAGIC_BALL_CONTENT_1,
 526   GADGET_ID_MAGIC_BALL_CONTENT_2,
 527   GADGET_ID_MAGIC_BALL_CONTENT_3,
 528   GADGET_ID_MAGIC_BALL_CONTENT_4,
 529   GADGET_ID_MAGIC_BALL_CONTENT_5,
 530   GADGET_ID_MAGIC_BALL_CONTENT_6,
 531   GADGET_ID_MAGIC_BALL_CONTENT_7,
 532   GADGET_ID_ANDROID_CONTENT,
 533   GADGET_ID_AMOEBA_CONTENT,
 534   GADGET_ID_START_ELEMENT,
 535   GADGET_ID_ARTWORK_ELEMENT,
 536   GADGET_ID_EXPLOSION_ELEMENT,
 537   GADGET_ID_INVENTORY_CONTENT,
 538   GADGET_ID_CUSTOM_GRAPHIC,
 539   GADGET_ID_CUSTOM_CONTENT,
 540   GADGET_ID_CUSTOM_MOVE_ENTER,
 541   GADGET_ID_CUSTOM_MOVE_LEAVE,
 542   GADGET_ID_CUSTOM_CHANGE_TARGET,
 543   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 544   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 545   GADGET_ID_CUSTOM_CHANGE_ACTION,
 546   GADGET_ID_GROUP_CONTENT,
 547   GADGET_ID_RANDOM_BACKGROUND,
 548
 549   // text input identifiers
 550
 551   GADGET_ID_LEVEL_NAME,
 552   GADGET_ID_LEVEL_AUTHOR,
 553   GADGET_ID_LEVELSET_NAME,
 554   GADGET_ID_LEVELSET_AUTHOR,
 555   GADGET_ID_ELEMENT_NAME,
 556
 557   // text area identifiers
 558
 559   GADGET_ID_ENVELOPE_INFO,
 560
 561   // selectbox identifiers
 562
 563   GADGET_ID_TIME_OR_STEPS,
 564   GADGET_ID_GAME_ENGINE_TYPE,
 565   GADGET_ID_LEVELSET_SAVE_MODE,
 566   GADGET_ID_WIND_DIRECTION,
 567   GADGET_ID_PLAYER_SPEED,
 568   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 569   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 570   GADGET_ID_CUSTOM_DEADLINESS,
 571   GADGET_ID_CUSTOM_MOVE_PATTERN,
 572   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 573   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 574   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 575   GADGET_ID_CUSTOM_SMASH_TARGETS,
 576   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 577   GADGET_ID_CUSTOM_ACCESS_TYPE,
 578   GADGET_ID_CUSTOM_ACCESS_LAYER,
 579   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 580   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 581   GADGET_ID_CHANGE_TIME_UNITS,
 582   GADGET_ID_CHANGE_DIRECT_ACTION,
 583   GADGET_ID_CHANGE_OTHER_ACTION,
 584   GADGET_ID_CHANGE_SIDE,
 585   GADGET_ID_CHANGE_PLAYER,
 586   GADGET_ID_CHANGE_PAGE,
 587   GADGET_ID_CHANGE_REPLACE_WHEN,
 588   GADGET_ID_ACTION_TYPE,
 589   GADGET_ID_ACTION_MODE,
 590   GADGET_ID_ACTION_ARG,
 591   GADGET_ID_SELECT_CHANGE_PAGE,
 592   GADGET_ID_GROUP_CHOICE_MODE,
 593
 594   // textbutton identifiers
 595
 596   GADGET_ID_LEVELINFO_LEVEL,
 597   GADGET_ID_LEVELINFO_LEVELSET,
 598   GADGET_ID_LEVELINFO_EDITOR,
 599   GADGET_ID_PROPERTIES_INFO,
 600   GADGET_ID_PROPERTIES_CONFIG,
 601   GADGET_ID_PROPERTIES_CONFIG_1,
 602   GADGET_ID_PROPERTIES_CONFIG_2,
 603   GADGET_ID_PROPERTIES_CHANGE,
 604   GADGET_ID_SAVE_AS_TEMPLATE_1,
 605   GADGET_ID_SAVE_AS_TEMPLATE_2,
 606   GADGET_ID_SAVE_LEVELSET,
 607   GADGET_ID_ADD_CHANGE_PAGE,
 608   GADGET_ID_DEL_CHANGE_PAGE,
 609
 610   // graphicbutton identifiers
 611
 612   GADGET_ID_PREV_CHANGE_PAGE,
 613   GADGET_ID_NEXT_CHANGE_PAGE,
 614   GADGET_ID_COPY_CHANGE_PAGE,
 615   GADGET_ID_PASTE_CHANGE_PAGE,
 616
 617   // gadgets for scrolling of drawing area
 618
 619   GADGET_ID_SCROLL_UP,
 620   GADGET_ID_SCROLL_DOWN,
 621   GADGET_ID_SCROLL_LEFT,
 622   GADGET_ID_SCROLL_RIGHT,
 623   GADGET_ID_SCROLL_HORIZONTAL,
 624   GADGET_ID_SCROLL_VERTICAL,
 625
 626   // gadgets for scrolling element list
 627
 628   GADGET_ID_SCROLL_LIST_UP,
 629   GADGET_ID_SCROLL_LIST_DOWN,
 630   GADGET_ID_SCROLL_LIST_VERTICAL,
 631
 632   // checkbuttons/radiobuttons for level/element properties
 633
 634   GADGET_ID_AUTO_COUNT_GEMS,
 635   GADGET_ID_USE_LEVELSET_ARTWORK,
 636   GADGET_ID_COPY_LEVEL_TEMPLATE,
 637   GADGET_ID_RANDOM_PERCENTAGE,
 638   GADGET_ID_RANDOM_QUANTITY,
 639   GADGET_ID_RANDOM_RESTRICTED,
 640   GADGET_ID_STICK_ELEMENT,
 641   GADGET_ID_EM_SLIPPERY_GEMS,
 642   GADGET_ID_EM_EXPLODES_BY_FIRE,
 643   GADGET_ID_USE_SPRING_BUG,
 644   GADGET_ID_USE_TIME_ORB_BUG,
 645   GADGET_ID_USE_LIFE_BUGS,
 646   GADGET_ID_RANDOM_BALL_CONTENT,
 647   GADGET_ID_INITIAL_BALL_STATE,
 648   GADGET_ID_GROW_INTO_DIGGABLE,
 649   GADGET_ID_AUTO_EXIT_SOKOBAN,
 650   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 651   GADGET_ID_CONTINUOUS_SNAPPING,
 652   GADGET_ID_BLOCK_SNAP_FIELD,
 653   GADGET_ID_BLOCK_LAST_FIELD,
 654   GADGET_ID_SP_BLOCK_LAST_FIELD,
 655   GADGET_ID_INSTANT_RELOCATION,
 656   GADGET_ID_SHIFTED_RELOCATION,
 657   GADGET_ID_LAZY_RELOCATION,
 658   GADGET_ID_USE_START_ELEMENT,
 659   GADGET_ID_USE_ARTWORK_ELEMENT,
 660   GADGET_ID_USE_EXPLOSION_ELEMENT,
 661   GADGET_ID_INITIAL_GRAVITY,
 662   GADGET_ID_USE_INITIAL_INVENTORY,
 663   GADGET_ID_CAN_PASS_TO_WALKABLE,
 664   GADGET_ID_CAN_FALL_INTO_ACID,
 665   GADGET_ID_CAN_MOVE_INTO_ACID,
 666   GADGET_ID_DONT_COLLIDE_WITH,
 667   GADGET_ID_ENVELOPE_AUTOWRAP,
 668   GADGET_ID_ENVELOPE_CENTERED,
 669   GADGET_ID_MM_LASER_RED,
 670   GADGET_ID_MM_LASER_GREEN,
 671   GADGET_ID_MM_LASER_BLUE,
 672   GADGET_ID_DF_LASER_RED,
 673   GADGET_ID_DF_LASER_GREEN,
 674   GADGET_ID_DF_LASER_BLUE,
 675   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 676   GADGET_ID_CUSTOM_CAN_EXPLODE,
 677   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 678   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 679   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 680   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 681   GADGET_ID_CUSTOM_DEADLY,
 682   GADGET_ID_CUSTOM_CAN_MOVE,
 683   GADGET_ID_CUSTOM_CAN_FALL,
 684   GADGET_ID_CUSTOM_CAN_SMASH,
 685   GADGET_ID_CUSTOM_SLIPPERY,
 686   GADGET_ID_CUSTOM_ACCESSIBLE,
 687   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 688   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 689   GADGET_ID_CUSTOM_USE_GRAPHIC,
 690   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 691   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 692   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 693   GADGET_ID_CUSTOM_CAN_CHANGE,
 694   GADGET_ID_CHANGE_USE_CONTENT,
 695   GADGET_ID_CHANGE_USE_EXPLOSION,
 696   GADGET_ID_CHANGE_ONLY_COMPLETE,
 697   GADGET_ID_CHANGE_USE_RANDOM,
 698   GADGET_ID_CHANGE_HAS_ACTION,
 699   GADGET_ID_CHANGE_DELAY,
 700   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 701   GADGET_ID_CHANGE_BY_OTHER_ACT,
 702
 703   NUM_STATIC_GADGET_IDS
 704 };
 705
 706 // gadgets for buttons in element list (dynamic)
 707 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 708 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 709                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 710
 711 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 712
 713 // radio button numbers
 714 enum
 715 {
 716   RADIO_NR_NONE,
 717   RADIO_NR_DRAWING_TOOLBOX,
 718   RADIO_NR_RANDOM_ELEMENTS
 719 };
 720
 721 // values for counter gadgets
 722 enum
 723 {
 724   ED_COUNTER_ID_SELECT_LEVEL,
 725   ED_COUNTER_ID_LEVEL_XSIZE,
 726   ED_COUNTER_ID_LEVEL_YSIZE,
 727   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 728   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 729   ED_COUNTER_ID_LEVEL_TIMESCORE,
 730   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 731   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 732   ED_COUNTER_ID_LEVEL_RANDOM,
 733   ED_COUNTER_ID_ELEMENT_VALUE1,
 734   ED_COUNTER_ID_ELEMENT_VALUE2,
 735   ED_COUNTER_ID_ELEMENT_VALUE3,
 736   ED_COUNTER_ID_ELEMENT_VALUE4,
 737   ED_COUNTER_ID_YAMYAM_CONTENT,
 738   ED_COUNTER_ID_BALL_CONTENT,
 739   ED_COUNTER_ID_ANDROID_CONTENT,
 740   ED_COUNTER_ID_ENVELOPE_XSIZE,
 741   ED_COUNTER_ID_ENVELOPE_YSIZE,
 742   ED_COUNTER_ID_INVENTORY_SIZE,
 743   ED_COUNTER_ID_CUSTOM_SCORE,
 744   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 745   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 746   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 747   ED_COUNTER_ID_PUSH_DELAY_FIX,
 748   ED_COUNTER_ID_PUSH_DELAY_RND,
 749   ED_COUNTER_ID_DROP_DELAY_FIX,
 750   ED_COUNTER_ID_DROP_DELAY_RND,
 751   ED_COUNTER_ID_MOVE_DELAY_FIX,
 752   ED_COUNTER_ID_MOVE_DELAY_RND,
 753   ED_COUNTER_ID_EXPLOSION_DELAY,
 754   ED_COUNTER_ID_IGNITION_DELAY,
 755   ED_COUNTER_ID_GROUP_CONTENT,
 756   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 757   ED_COUNTER_ID_CHANGE_DELAY_RND,
 758   ED_COUNTER_ID_CHANGE_CONT_RND,
 759
 760   ED_NUM_COUNTERBUTTONS
 761 };
 762
 763 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 764 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 765 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 766 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 767 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 768 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 769
 770 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 771 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 772 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 773 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 774 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 775 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 776
 777 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 778 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 779
 780 // values for scrollbutton gadgets
 781 enum
 782 {
 783   ED_SCROLLBUTTON_ID_AREA_UP,
 784   ED_SCROLLBUTTON_ID_AREA_DOWN,
 785   ED_SCROLLBUTTON_ID_AREA_LEFT,
 786   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 787   ED_SCROLLBUTTON_ID_LIST_UP,
 788   ED_SCROLLBUTTON_ID_LIST_DOWN,
 789
 790   ED_NUM_SCROLLBUTTONS
 791 };
 792
 793 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 794 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 795
 796 // values for scrollbar gadgets
 797 enum
 798 {
 799   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 800   ED_SCROLLBAR_ID_AREA_VERTICAL,
 801   ED_SCROLLBAR_ID_LIST_VERTICAL,
 802
 803   ED_NUM_SCROLLBARS
 804 };
 805
 806 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 807 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 808
 809 // values for text input gadgets
 810 enum
 811 {
 812   ED_TEXTINPUT_ID_LEVEL_NAME,
 813   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 814   ED_TEXTINPUT_ID_LEVELSET_NAME,
 815   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 816   ED_TEXTINPUT_ID_ELEMENT_NAME,
 817
 818   ED_NUM_TEXTINPUT
 819 };
 820
 821 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 822 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 823
 824 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 825 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 826
 827 // values for text area gadgets
 828 enum
 829 {
 830   ED_TEXTAREA_ID_ENVELOPE_INFO,
 831
 832   ED_NUM_TEXTAREAS
 833 };
 834
 835 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 836 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 837
 838 // values for selectbox gadgets
 839 enum
 840 {
 841   ED_SELECTBOX_ID_TIME_OR_STEPS,
 842   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 843   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 844   ED_SELECTBOX_ID_WIND_DIRECTION,
 845   ED_SELECTBOX_ID_PLAYER_SPEED,
 846   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 847   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 848   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 849   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 850   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 851   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 852   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 853   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 854   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 855   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 856   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 857   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 858   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 859   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 860   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 861   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 862   ED_SELECTBOX_ID_CHANGE_SIDE,
 863   ED_SELECTBOX_ID_CHANGE_PLAYER,
 864   ED_SELECTBOX_ID_CHANGE_PAGE,
 865   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 866   ED_SELECTBOX_ID_ACTION_TYPE,
 867   ED_SELECTBOX_ID_ACTION_MODE,
 868   ED_SELECTBOX_ID_ACTION_ARG,
 869   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 870   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 871
 872   ED_NUM_SELECTBOX
 873 };
 874
 875 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 876 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 877
 878 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 879 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 880
 881 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 882 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 883 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 884 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 885 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 886 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 887
 888 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 889 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 890
 891 // values for textbutton gadgets
 892 enum
 893 {
 894   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 895   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 896   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 897   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 898   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 899   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 900   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 901   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 902   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 903   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 904   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 905   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 906   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 907
 908   ED_NUM_TEXTBUTTONS
 909 };
 910
 911 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 912 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 913
 914 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 915 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 916
 917 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 918 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 919
 920 // values for graphicbutton gadgets
 921 enum
 922 {
 923   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 924   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 925   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 926   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 927
 928   ED_NUM_GRAPHICBUTTONS
 929 };
 930
 931 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 932 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 933
 934 // values for checkbutton gadgets
 935 enum
 936 {
 937   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 938   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 939   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 940   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 941   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 942   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 943   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 944   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 945   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 946   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 947   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 948   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 949   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 950   ED_CHECKBUTTON_ID_INITIAL_BALL_STATE,
 951   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 952   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 953   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 954   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 955   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 956   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 957   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 958   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 959   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 960   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 961   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 962   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 963   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 964   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 965   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 966   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 967   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 968   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 969   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 970   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 971   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 972   ED_CHECKBUTTON_ID_MM_LASER_RED,
 973   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 974   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 975   ED_CHECKBUTTON_ID_DF_LASER_RED,
 976   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 977   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 978   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 979   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 980   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 981   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
 982   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
 983   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
 984   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
 985   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
 986   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
 987   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
 988   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
 989   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
 990   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
 991   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
 992   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
 993   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
 994   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
 995   ED_CHECKBUTTON_ID_CHANGE_DELAY,
 996   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
 997   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
 998   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
 999   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1000   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1001   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1002   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1003
1004   ED_NUM_CHECKBUTTONS
1005 };
1006
1007 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1008 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1009
1010 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1011 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1012
1013 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1014 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1015
1016 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1017 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1018 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1019 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1020 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1021 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1022
1023 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1024 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1025
1026 // values for radiobutton gadgets
1027 enum
1028 {
1029   ED_RADIOBUTTON_ID_PERCENTAGE,
1030   ED_RADIOBUTTON_ID_QUANTITY,
1031
1032   ED_NUM_RADIOBUTTONS
1033 };
1034
1035 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1036 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1037
1038 // values for drawing area gadgets
1039 enum
1040 {
1041   ED_DRAWING_ID_DRAWING_LEVEL,
1042   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1043   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1044   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1045   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1046   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1047   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1048   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1049   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1050   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1051   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1052   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1053   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1054   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1055   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1056   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1057   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1058   ED_DRAWING_ID_ANDROID_CONTENT,
1059   ED_DRAWING_ID_AMOEBA_CONTENT,
1060   ED_DRAWING_ID_START_ELEMENT,
1061   ED_DRAWING_ID_ARTWORK_ELEMENT,
1062   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1063   ED_DRAWING_ID_INVENTORY_CONTENT,
1064   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1065   ED_DRAWING_ID_CUSTOM_CONTENT,
1066   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1067   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1068   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1069   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1070   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1071   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1072   ED_DRAWING_ID_GROUP_CONTENT,
1073   ED_DRAWING_ID_RANDOM_BACKGROUND,
1074
1075   ED_NUM_DRAWING_AREAS
1076 };
1077
1078 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1079 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1080
1081
1082 /*
1083   -----------------------------------------------------------------------------
1084   some internally used definitions
1085   -----------------------------------------------------------------------------
1086 */
1087
1088 // values for CopyLevelToUndoBuffer()
1089 #define UNDO_IMMEDIATE                  0
1090 #define UNDO_ACCUMULATE                 1
1091
1092 // values for scrollbars
1093 #define ED_SCROLL_NO                    0
1094 #define ED_SCROLL_LEFT                  1
1095 #define ED_SCROLL_RIGHT                 2
1096 #define ED_SCROLL_UP                    4
1097 #define ED_SCROLL_DOWN                  8
1098
1099 // screens in the level editor
1100 #define ED_MODE_DRAWING                 0
1101 #define ED_MODE_INFO                    1
1102 #define ED_MODE_PROPERTIES              2
1103 #define ED_MODE_PALETTE                 3
1104
1105 // sub-screens in the global settings section
1106 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1107 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1108 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1109
1110 // sub-screens in the element properties section
1111 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1112 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1113 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1114 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1115 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1116
1117 // how many steps can be cancelled
1118 #define NUM_UNDO_STEPS                  (64 + 1)
1119
1120 // values for elements with score for certain actions
1121 #define MIN_SCORE                       0
1122 #define MAX_SCORE                       999
1123
1124 // values for elements with count for collecting
1125 #define MIN_COLLECT_COUNT               0
1126 #define MAX_COLLECT_COUNT               999
1127
1128 // values for random placement
1129 #define RANDOM_USE_PERCENTAGE           0
1130 #define RANDOM_USE_QUANTITY             1
1131
1132 // values for level set save mode
1133 #define LEVELSET_SAVE_MODE_UPDATE       0
1134 #define LEVELSET_SAVE_MODE_CREATE       1
1135
1136 // default value for element tile size in drawing area
1137 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1138 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1139
1140
1141 /*
1142   -----------------------------------------------------------------------------
1143   some internally used data structure definitions
1144   -----------------------------------------------------------------------------
1145 */
1146
1147 static struct
1148 {
1149   int graphic;
1150   int gadget_id;
1151   struct XYTileSize *pos;
1152   int gadget_type;
1153   char *infotext;
1154   char shortcut;
1155 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1156 {
1157   /* note: some additional characters are already reserved for "cheat mode"
1158      shortcuts (":XYZ" style) -- for details, see "events.c" */
1159
1160   // ---------- toolbox control buttons ---------------------------------------
1161
1162   {
1163     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1164     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1165     "draw single items",                        's'
1166   },
1167   {
1168     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1169     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1170     "draw connected items",                     'd'
1171   },
1172   {
1173     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1174     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1175     "draw lines",                               'l'
1176   },
1177   {
1178     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1179     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1180     "draw arcs",                                'a'
1181   },
1182   {
1183     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1184     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1185     "draw outline rectangles",                  'r'
1186   },
1187   {
1188     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1189     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1190     "draw filled rectangles",                   'R'
1191   },
1192   {
1193     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1194     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1195     "wrap (rotate) level up",                   0
1196   },
1197   {
1198     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1199     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1200     "enter text elements",                      't'
1201   },
1202   {
1203     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1204     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1205     "flood fill",                               'f'
1206   },
1207   {
1208     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1209     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1210     "wrap (rotate) level left",                 0
1211   },
1212   {
1213     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1214     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1215     "zoom level tile size",                     '+'
1216   },
1217   {
1218     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1219     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1220     "wrap (rotate) level right",                0
1221   },
1222   {
1223     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1224     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1225     "random element placement",                 0
1226   },
1227   {
1228     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1229     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1230     "grab brush",                               'b'
1231   },
1232   {
1233     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1234     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1235     "wrap (rotate) level down",                 0
1236   },
1237   {
1238     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1239     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1240     "pick drawing element",                     ','
1241   },
1242
1243   // ---------- level control buttons -----------------------------------------
1244
1245   {
1246     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1247     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1248     "undo/redo last operation",                 'u'
1249   },
1250   {
1251     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1252     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1253     "properties of level",                      'I'
1254   },
1255   {
1256     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1257     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1258     "save level",                               'S'
1259   },
1260   {
1261     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1262     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1263     "clear level",                              'C'
1264   },
1265   {
1266     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1267     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1268     "test level",                               'T'
1269   },
1270   {
1271     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1272     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1273     "exit level editor",                        'E'
1274   },
1275
1276   // ---------- CE and GE control buttons -------------------------------------
1277
1278   {
1279     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1280     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1281     "copy settings from other element",         0
1282   },
1283   {
1284     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1285     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1286     "copy settings to other element",           0
1287   },
1288   {
1289     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1290     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1291     "exchange element with other element",      0
1292   },
1293   {
1294     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1295     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1296     "copy settings from this element",          0
1297   },
1298   {
1299     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1300     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1301     "paste settings to this element",           0
1302   },
1303
1304   // ---------- palette control buttons ---------------------------------------
1305
1306   {
1307     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1308     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1309     "properties of drawing element",            'p'
1310   },
1311   {
1312     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1313     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1314     "properties of drawing element 1",          '1'
1315   },
1316   {
1317     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1318     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1319     "properties of drawing element 2",          '2'
1320   },
1321   {
1322     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1323     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1324     "properties of drawing element 3",          '3'
1325   },
1326   {
1327     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1328     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1329     "show list of elements",                    'e'
1330   }
1331 };
1332
1333 static int random_placement_value = 10;
1334 static int random_placement_method = RANDOM_USE_QUANTITY;
1335 static int random_placement_background_element = EL_SAND;
1336 static boolean random_placement_background_restricted = FALSE;
1337 static boolean stick_element_properties_window = FALSE;
1338 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1339 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1340 static struct ElementChangeInfo custom_element_change;
1341 static struct ElementGroupInfo group_element_info;
1342 static struct ElementInfo custom_element;
1343
1344 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1345 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1346 static int levelset_num_levels = 100;
1347 static boolean levelset_use_levelset_artwork = FALSE;
1348 static boolean levelset_copy_level_template = FALSE;
1349 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1350
1351 static struct
1352 {
1353   int x, y;
1354   int min_value, max_value;
1355   int gadget_id_down, gadget_id_up;
1356   int gadget_id_text;
1357   int gadget_id_align;
1358   int *value;
1359   char *text_above, *text_left, *text_right;
1360 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1361 {
1362   // ---------- current level number ------------------------------------------
1363
1364   {
1365     -1, -1,     // these values are not constant, but can change at runtime
1366     1,                                  100,
1367     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1368     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1369     &level_nr,
1370     NULL,                               NULL, NULL
1371   },
1372
1373   // ---------- level and editor settings -------------------------------------
1374
1375   {
1376     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1377     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1378     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1379     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1380     &level.fieldx,
1381     "playfield size:",                  NULL, "width",
1382   },
1383   {
1384     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1385     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1386     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1387     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1388     &level.fieldy,
1389     NULL,                               " ", "height",
1390   },
1391   {
1392     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1393     0,                                  999,
1394     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1395     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1396     &level.gems_needed,
1397     NULL,                               "number of gems to collect:", NULL
1398   },
1399   {
1400     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1401     0,                                  9999,
1402     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1403     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1404     &level.time,
1405     "time or step limit to solve level:", NULL, NULL
1406   },
1407   {
1408     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1409     0,                                  999,
1410     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1411     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1412     &level.score[SC_TIME_BONUS],
1413     "score for each second/step left:", NULL, NULL
1414   },
1415   {
1416     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1417     0,                                  9999,
1418     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1419     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1420     &level.random_seed,
1421     NULL,                               "random seed:", "(0 => random)"
1422   },
1423   {
1424     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1425     1,                                  MAX_LEVELS,
1426     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1427     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1428     &levelset_num_levels,
1429     "number of levels:",                NULL, NULL,
1430   },
1431   {
1432     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1433     1,                                  100,
1434     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1435     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1436     &random_placement_value,
1437     "random element placement:",        NULL, "in"
1438   },
1439
1440   // ---------- element settings: configure (various elements) ----------------
1441
1442   {
1443     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1444     MIN_SCORE,                          MAX_SCORE,
1445     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1446     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1447     NULL,                               // will be set when used
1448     NULL,                               NULL, NULL
1449   },
1450   {
1451     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1452     MIN_SCORE,                          MAX_SCORE,
1453     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1454     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1455     NULL,                               // will be set when used
1456     NULL,                               NULL, NULL
1457   },
1458   {
1459     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1460     MIN_SCORE,                          MAX_SCORE,
1461     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1462     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1463     NULL,                               // will be set when used
1464     NULL,                               NULL, NULL
1465   },
1466   {
1467     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1468     MIN_SCORE,                          MAX_SCORE,
1469     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1470     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1471     NULL,                               // will be set when used
1472     NULL,                               NULL, NULL
1473   },
1474   {
1475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1476     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1477     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1478     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1479     &level.num_yamyam_contents,
1480     NULL,                               NULL, "number of content areas"
1481   },
1482   {
1483     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1484     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1485     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1486     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1487     &level.num_ball_contents,
1488     NULL,                               NULL, "number of content areas"
1489   },
1490   {
1491     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1492     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1493     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1494     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1495     &level.num_android_clone_elements,
1496     NULL,                               NULL, "number of clonable elements"
1497   },
1498   {
1499     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1500     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1501     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1502     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1503     NULL,                               // will be set when used
1504     NULL,                               NULL, "width",
1505   },
1506   {
1507     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1508     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1509     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1510     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1511     NULL,                               // will be set when used
1512     NULL,                               " ", "height",
1513   },
1514   {
1515     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1516     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1517     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1518     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1519     &level.initial_inventory_size[0],
1520     NULL,                               NULL, "number of inventory elements"
1521   },
1522
1523   // ---------- element settings: configure 1 (custom elements) ---------------
1524
1525   {
1526     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1527     MIN_SCORE,                          MAX_SCORE,
1528     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1529     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1530     &custom_element.collect_score_initial,
1531     NULL,                               "CE score", " "
1532   },
1533   {
1534     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1535     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1536     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1537     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1538     &custom_element.collect_count_initial,
1539     NULL,                               "CE count", NULL
1540   },
1541   {
1542     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1543     0,                                  9999,
1544     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1545     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1546     &custom_element.ce_value_fixed_initial,
1547     NULL,                               "CE value", NULL
1548   },
1549   {
1550     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1551     0,                                  9999,
1552     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1553     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1554     &custom_element.ce_value_random_initial,
1555     NULL,                               "+random", NULL
1556   },
1557   {
1558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1559     0,                                  999,
1560     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1561     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1562     &custom_element.push_delay_fixed,
1563     NULL,                               "push delay", NULL
1564   },
1565   {
1566     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1567     0,                                  999,
1568     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1569     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1570     &custom_element.push_delay_random,
1571     NULL,                               "+random", NULL
1572   },
1573   {
1574     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1575     0,                                  999,
1576     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1577     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1578     &custom_element.drop_delay_fixed,
1579     NULL,                               "drop delay", NULL
1580   },
1581   {
1582     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1583     0,                                  999,
1584     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1585     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1586     &custom_element.drop_delay_random,
1587     NULL,                               "+random", NULL
1588   },
1589
1590   // ---------- element settings: configure 2 (custom elements) ---------------
1591
1592   {
1593     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1594     0,                                  999,
1595     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1596     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1597     &custom_element.move_delay_fixed,
1598     NULL,                               "move delay", NULL
1599   },
1600   {
1601     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1602     0,                                  999,
1603     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1604     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1605     &custom_element.move_delay_random,
1606     NULL,                               "+random", NULL
1607   },
1608   {
1609     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1610     0,                                  999,
1611     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1612     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1613     &custom_element.explosion_delay,
1614     NULL,                               "explosion delay", NULL
1615   },
1616   {
1617     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1618     0,                                  999,
1619     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1620     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1621     &custom_element.ignition_delay,
1622     NULL,                               "ignition delay", "(by fire)"
1623   },
1624
1625   // ---------- element settings: configure (group elements) ------------------
1626
1627   {
1628     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1629     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1630     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1631     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1632     &group_element_info.num_elements,
1633     NULL,                               NULL, "number of elements in group"
1634   },
1635
1636   // ---------- element settings: advanced (custom elements) ------------------
1637
1638   {
1639     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1640     0,                                  999,
1641     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1642     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1643     &custom_element_change.delay_fixed,
1644     NULL,                               "CE delay", NULL,
1645   },
1646   {
1647     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1648     0,                                  999,
1649     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1650     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1651     &custom_element_change.delay_random,
1652     NULL,                               "+random", NULL
1653   },
1654   {
1655     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1656     0,                                  100,
1657     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1658     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1659     &custom_element_change.random_percentage,
1660     NULL,                               "use random replace:", "%"
1661   },
1662 };
1663
1664 static struct
1665 {
1666   int x, y;
1667   int gadget_id;
1668   int size;
1669   char *value;
1670   char *text_above, *infotext;
1671 } textinput_info[ED_NUM_TEXTINPUT] =
1672 {
1673   {
1674     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1675     GADGET_ID_LEVEL_NAME,
1676     MAX_LEVEL_NAME_LEN,
1677     level.name,
1678     "Title:", "Title for this level"
1679   },
1680   {
1681     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1682     GADGET_ID_LEVEL_AUTHOR,
1683     MAX_LEVEL_AUTHOR_LEN,
1684     level.author,
1685     "Author:", "Author for this level"
1686   },
1687   {
1688     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1689     GADGET_ID_LEVELSET_NAME,
1690     MAX_LEVEL_NAME_LEN,
1691     levelset_name,
1692     "Title:", "Title for this or new level set"
1693   },
1694   {
1695     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1696     GADGET_ID_LEVELSET_AUTHOR,
1697     MAX_LEVEL_AUTHOR_LEN,
1698     levelset_author,
1699     "Author:", "Author for this or new level set"
1700   },
1701   {
1702     -1, -1,     // these values are not constant, but can change at runtime
1703     GADGET_ID_ELEMENT_NAME,
1704     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1705     custom_element.description,
1706     NULL, "Element name"
1707   }
1708 };
1709
1710 static struct
1711 {
1712   int x, y;
1713   int gadget_id;
1714   int xsize, ysize;
1715   char *value;
1716   char *text_above, *infotext;
1717 } textarea_info[ED_NUM_TEXTAREAS] =
1718 {
1719   {
1720     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1721     GADGET_ID_ENVELOPE_INFO,
1722     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1723     NULL,
1724     "Envelope Content:", "Envelope Content"
1725   }
1726 };
1727
1728 static struct ValueTextInfo options_time_or_steps[] =
1729 {
1730   { 0,                          "seconds"                       },
1731   { 1,                          "steps"                         },
1732
1733   { -1,                         NULL                            }
1734 };
1735
1736 static struct ValueTextInfo options_game_engine_type[] =
1737 {
1738   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1739   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1740   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1741   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1742
1743   { -1,                         NULL                            }
1744 };
1745
1746 static struct ValueTextInfo options_levelset_save_mode[] =
1747 {
1748   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1749   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1750
1751   { -1,                         NULL                            }
1752 };
1753
1754 static struct ValueTextInfo options_wind_direction[] =
1755 {
1756   { MV_START_NONE,              "none"                          },
1757   { MV_START_LEFT,              "left"                          },
1758   { MV_START_RIGHT,             "right"                         },
1759   { MV_START_UP,                "up"                            },
1760   { MV_START_DOWN,              "down"                          },
1761
1762   { -1,                         NULL                            }
1763 };
1764
1765 static struct ValueTextInfo options_player_speed[] =
1766 {
1767   { 0,                          "frozen"                        },
1768   { 1,                          "very slow"                     },
1769   { 2,                          "slow"                          },
1770   { 4,                          "normal"                        },
1771   { 8,                          "fast"                          },
1772   { 16,                         "very fast"                     },
1773   { 32,                         "ultrafast"                     },
1774
1775   { -1,                         NULL                            }
1776 };
1777
1778 static struct ValueTextInfo options_access_type[] =
1779 {
1780   { EP_WALKABLE,                "walkable"                      },
1781   { EP_PASSABLE,                "passable"                      },
1782
1783   { -1,                         NULL                            }
1784 };
1785
1786 static struct ValueTextInfo options_access_layer[] =
1787 {
1788   { EP_ACCESSIBLE_OVER,         "over"                          },
1789   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1790   { EP_ACCESSIBLE_UNDER,        "under"                         },
1791
1792   { -1,                         NULL                            }
1793 };
1794
1795 static struct ValueTextInfo options_access_protected[] =
1796 {
1797   { 0,                          "unprotected"                   },
1798   { 1,                          "protected"                     },
1799
1800   { -1,                         NULL                            }
1801 };
1802
1803 static struct ValueTextInfo options_access_direction[] =
1804 {
1805   { MV_NO_DIRECTION,            "no direction"                  },
1806   { MV_LEFT,                    "left"                          },
1807   { MV_RIGHT,                   "right"                         },
1808   { MV_UP,                      "up"                            },
1809   { MV_DOWN,                    "down"                          },
1810   { MV_LEFT  | MV_UP,           "left + up"                     },
1811   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1812   { MV_RIGHT | MV_UP,           "right + up"                    },
1813   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1814   { MV_HORIZONTAL,              "horizontal"                    },
1815   { MV_VERTICAL,                "vertical"                      },
1816   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1817   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1818   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1819   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1820   { MV_ALL_DIRECTIONS,          "all directions"                },
1821
1822   { -1,                         NULL                            }
1823 };
1824
1825 static struct ValueTextInfo options_walk_to_action[] =
1826 {
1827   { EP_DIGGABLE,                "diggable"                      },
1828   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1829   { EP_DROPPABLE,               "collectible & droppable"       },
1830   { EP_THROWABLE,               "collectible & throwable"       },
1831   { EP_PUSHABLE,                "pushable"                      },
1832
1833   { -1,                         NULL                            }
1834 };
1835
1836 static struct ValueTextInfo options_move_pattern[] =
1837 {
1838   { MV_LEFT,                    "left"                          },
1839   { MV_RIGHT,                   "right"                         },
1840   { MV_UP,                      "up"                            },
1841   { MV_DOWN,                    "down"                          },
1842   { MV_HORIZONTAL,              "horizontal"                    },
1843   { MV_VERTICAL,                "vertical"                      },
1844   { MV_ALL_DIRECTIONS,          "all directions"                },
1845   { MV_WIND_DIRECTION,          "wind direction"                },
1846   { MV_TOWARDS_PLAYER,          "towards player"                },
1847   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1848   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1849   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1850   { MV_TURNING_LEFT,            "turning left"                  },
1851   { MV_TURNING_RIGHT,           "turning right"                 },
1852   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1853   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1854   { MV_TURNING_RANDOM,          "turning random"                },
1855   { MV_MAZE_RUNNER,             "maze runner style"             },
1856   { MV_MAZE_HUNTER,             "maze hunter style"             },
1857   { MV_WHEN_PUSHED,             "when pushed"                   },
1858   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_move_direction[] =
1864 {
1865   { MV_START_AUTOMATIC,         "automatic"                     },
1866   { MV_START_LEFT,              "left"                          },
1867   { MV_START_RIGHT,             "right"                         },
1868   { MV_START_UP,                "up"                            },
1869   { MV_START_DOWN,              "down"                          },
1870   { MV_START_RANDOM,            "random"                        },
1871   { MV_START_PREVIOUS,          "previous"                      },
1872
1873   { -1,                         NULL                            }
1874 };
1875
1876 static struct ValueTextInfo options_move_stepsize[] =
1877 {
1878   { 0,                          "not moving"                    },
1879   { 1,                          "very slow"                     },
1880   { 2,                          "slow"                          },
1881   { 4,                          "normal"                        },
1882   { 8,                          "fast"                          },
1883   { 16,                         "very fast"                     },
1884   { 32,                         "even faster"                   },
1885
1886   { -1,                         NULL                            }
1887 };
1888
1889 static struct ValueTextInfo options_move_leave_type[] =
1890 {
1891   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1892   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1893
1894   { -1,                         NULL                            }
1895 };
1896
1897 static struct ValueTextInfo options_smash_targets[] =
1898 {
1899   { EP_CAN_SMASH_PLAYER,        "player"                        },
1900 #if 0
1901   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1902 #endif
1903   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1904
1905   { -1,                         NULL                            }
1906 };
1907
1908 static struct ValueTextInfo options_slippery_type[] =
1909 {
1910   { SLIPPERY_ANY_RANDOM,        "random"                        },
1911   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1912   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1913   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1914   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1915
1916   { -1,                         NULL                            }
1917 };
1918
1919 static struct ValueTextInfo options_deadliness[] =
1920 {
1921   { EP_DONT_RUN_INTO,           "running into"                  },
1922   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1923   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1924   { EP_DONT_TOUCH,              "touching"                      },
1925
1926   { -1,                         NULL                            }
1927 };
1928
1929 static struct ValueTextInfo options_explosion_type[] =
1930 {
1931   { EXPLODES_3X3,               "3x3"                           },
1932   { EXPLODES_CROSS,             "3+3"                           },
1933   { EXPLODES_1X1,               "1x1"                           },
1934
1935   { -1,                         NULL                            }
1936 };
1937
1938 static struct ValueTextInfo options_time_units[] =
1939 {
1940   { 1,                          "frames"                        },
1941   { FRAMES_PER_SECOND,          "seconds"                       },
1942
1943   { -1,                         NULL                            }
1944 };
1945
1946 static struct ValueTextInfo options_change_direct_action[] =
1947 {
1948   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1949   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1950   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1951   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1952   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1953   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1954   { CE_LEFT_BY_PLAYER,          "left by player"                },
1955   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1956   { CE_SWITCHED,                "switched"                      },
1957   { CE_HITTING_SOMETHING,       "hitting something"             },
1958   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1959 #if 0
1960   { CE_BLOCKED,                 "blocked"                       },
1961 #endif
1962   { CE_IMPACT,                  "impact (on something)"         },
1963   { CE_SMASHED,                 "smashed (from above)"          },
1964 #if 0
1965   { CE_VALUE_CHANGES,           "CE value changes"              },
1966   { CE_SCORE_CHANGES,           "CE score changes"              },
1967 #endif
1968   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1969   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1970
1971   { -1,                         NULL                            }
1972 };
1973
1974 static struct ValueTextInfo options_change_other_action[] =
1975 {
1976   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1977   { CE_PLAYER_PRESSES_X,        "player presses"                },
1978   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1979   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1980   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1981   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1982   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1983   { CE_PLAYER_DIGS_X,           "player digs"                   },
1984   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1985   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1986   { CE_TOUCHING_X,              "touching"                      },
1987   { CE_HITTING_X,               "hitting"                       },
1988   { CE_DIGGING_X,               "digging"                       },
1989   { CE_HIT_BY_X,                "hit by"                        },
1990   { CE_SWITCH_OF_X,             "switch of"                     },
1991   { CE_CHANGE_OF_X,             "change by page of"             },
1992   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1993   { CE_MOVE_OF_X,               "move of"                       },
1994   { CE_CREATION_OF_X,           "creation of"                   },
1995   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1996   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1997   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1998   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1999
2000   { -1,                         NULL                            }
2001 };
2002
2003 static struct ValueTextInfo options_change_trigger_side[] =
2004 {
2005   { CH_SIDE_LEFT,               "left"                          },
2006   { CH_SIDE_RIGHT,              "right"                         },
2007   { CH_SIDE_TOP,                "top"                           },
2008   { CH_SIDE_BOTTOM,             "bottom"                        },
2009   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2010   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2011   { CH_SIDE_ANY,                "any"                           },
2012
2013   { -1,                         NULL                            }
2014 };
2015
2016 static struct ValueTextInfo options_change_trigger_player[] =
2017 {
2018   { CH_PLAYER_1,                "1"                             },
2019   { CH_PLAYER_2,                "2"                             },
2020   { CH_PLAYER_3,                "3"                             },
2021   { CH_PLAYER_4,                "4"                             },
2022   { CH_PLAYER_ANY,              "any"                           },
2023
2024   { -1,                         NULL                            }
2025 };
2026
2027 static struct ValueTextInfo options_change_trigger_page[] =
2028 {
2029   { (1 << 0),                   "1"                             },
2030   { (1 << 1),                   "2"                             },
2031   { (1 << 2),                   "3"                             },
2032   { (1 << 3),                   "4"                             },
2033   { (1 << 4),                   "5"                             },
2034   { (1 << 5),                   "6"                             },
2035   { (1 << 6),                   "7"                             },
2036   { (1 << 7),                   "8"                             },
2037   { (1 << 8),                   "9"                             },
2038   { (1 << 9),                   "10"                            },
2039   { (1 << 10),                  "11"                            },
2040   { (1 << 11),                  "12"                            },
2041   { (1 << 12),                  "13"                            },
2042   { (1 << 13),                  "14"                            },
2043   { (1 << 14),                  "15"                            },
2044   { (1 << 15),                  "16"                            },
2045   { (1 << 16),                  "17"                            },
2046   { (1 << 17),                  "18"                            },
2047   { (1 << 18),                  "19"                            },
2048   { (1 << 19),                  "20"                            },
2049   { (1 << 20),                  "21"                            },
2050   { (1 << 21),                  "22"                            },
2051   { (1 << 22),                  "23"                            },
2052   { (1 << 23),                  "24"                            },
2053   { (1 << 24),                  "25"                            },
2054   { (1 << 25),                  "26"                            },
2055   { (1 << 26),                  "27"                            },
2056   { (1 << 27),                  "28"                            },
2057   { (1 << 28),                  "29"                            },
2058   { (1 << 29),                  "30"                            },
2059   { (1 << 30),                  "31"                            },
2060   { (1 << 31),                  "32"                            },
2061   { CH_PAGE_ANY,                "any"                           },
2062
2063   { -1,                         NULL                            }
2064 };
2065
2066 static struct ValueTextInfo options_change_replace_when[] =
2067 {
2068   { CP_WHEN_EMPTY,              "empty"                         },
2069   { CP_WHEN_WALKABLE,           "walkable"                      },
2070   { CP_WHEN_DIGGABLE,           "diggable"                      },
2071   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2072   { CP_WHEN_REMOVABLE,          "removable"                     },
2073   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2074
2075   { -1,                         NULL                            }
2076 };
2077
2078 static struct ValueTextInfo options_action_type[] =
2079 {
2080   { CA_NO_ACTION,               "no action"                     },
2081   { CA_UNDEFINED,               " "                             },
2082   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2083   { CA_RESTART_LEVEL,           "restart level"                 },
2084   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2085   { CA_SET_LEVEL_TIME,          "set time"                      },
2086   { CA_SET_LEVEL_SCORE,         "set score"                     },
2087   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2088   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2089   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2090   { CA_UNDEFINED,               " "                             },
2091   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2092   { CA_MOVE_PLAYER,             "move player"                   },
2093   { CA_EXIT_PLAYER,             "exit player"                   },
2094   { CA_KILL_PLAYER,             "kill player"                   },
2095   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2096   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2097   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2098   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2099   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2100   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2101   { CA_UNDEFINED,               " "                             },
2102   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2103   { CA_SET_CE_VALUE,            "set CE value"                  },
2104   { CA_SET_CE_SCORE,            "set CE score"                  },
2105   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2106   { CA_UNDEFINED,               " "                             },
2107   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2108   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2109
2110   { -1,                         NULL                            }
2111 };
2112
2113 static struct ValueTextInfo options_action_mode_none[] =
2114 {
2115   { CA_MODE_UNDEFINED,          " "                             },
2116
2117   { -1,                         NULL                            }
2118 };
2119
2120 static struct ValueTextInfo options_action_mode_assign[] =
2121 {
2122   { CA_MODE_SET,                "="                             },
2123
2124   { -1,                         NULL                            }
2125 };
2126
2127 static struct ValueTextInfo options_action_mode_add_remove[] =
2128 {
2129   { CA_MODE_ADD,                "+"                             },
2130   { CA_MODE_SUBTRACT,           "-"                             },
2131
2132   { -1,                         NULL                            }
2133 };
2134
2135 static struct ValueTextInfo options_action_mode_calculate[] =
2136 {
2137   { CA_MODE_SET,                "="                             },
2138   { CA_MODE_ADD,                "+"                             },
2139   { CA_MODE_SUBTRACT,           "-"                             },
2140   { CA_MODE_MULTIPLY,           "*"                             },
2141   { CA_MODE_DIVIDE,             "/"                             },
2142   { CA_MODE_MODULO,             "%"                             },
2143
2144   { -1,                         NULL                            }
2145 };
2146
2147 static struct ValueTextInfo options_action_arg_none[] =
2148 {
2149   { CA_ARG_UNDEFINED,           "         "                     },
2150
2151   { -1,                         NULL                            }
2152 };
2153
2154 static struct ValueTextInfo options_action_arg_player[] =
2155 {
2156   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2157   { CA_ARG_PLAYER_1,            "1"                             },
2158   { CA_ARG_PLAYER_2,            "2"                             },
2159   { CA_ARG_PLAYER_3,            "3"                             },
2160   { CA_ARG_PLAYER_4,            "4"                             },
2161   { CA_ARG_PLAYER_ANY,          "any"                           },
2162   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2163   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2164
2165   { -1,                         NULL                            }
2166 };
2167
2168 static struct ValueTextInfo options_action_arg_number[] =
2169 {
2170   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2171   { CA_ARG_0,                   "0"                             },
2172   { CA_ARG_1,                   "1"                             },
2173   { CA_ARG_2,                   "2"                             },
2174   { CA_ARG_3,                   "3"                             },
2175   { CA_ARG_4,                   "4"                             },
2176   { CA_ARG_5,                   "5"                             },
2177   { CA_ARG_10,                  "10"                            },
2178   { CA_ARG_100,                 "100"                           },
2179   { CA_ARG_1000,                "1000"                          },
2180   { CA_ARG_UNDEFINED,           " "                             },
2181   { CA_ARG_NUMBER_MIN,          "min"                           },
2182   { CA_ARG_NUMBER_MAX,          "max"                           },
2183   { CA_ARG_UNDEFINED,           " "                             },
2184   { CA_ARG_NUMBER_RESET,        "reset"                         },
2185   { CA_ARG_UNDEFINED,           " "                             },
2186   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2187   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2188   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2191   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2192   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2193   { CA_ARG_UNDEFINED,           " "                             },
2194   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2195   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2196   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2197   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2198   { CA_ARG_UNDEFINED,           " "                             },
2199   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2200   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2201   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2202   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2203
2204   { -1,                         NULL                            }
2205 };
2206
2207 static struct ValueTextInfo options_action_arg_value[] =
2208 {
2209   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2210   { CA_ARG_0,                   "0"                             },
2211   { CA_ARG_1,                   "1"                             },
2212   { CA_ARG_2,                   "2"                             },
2213   { CA_ARG_3,                   "3"                             },
2214   { CA_ARG_4,                   "4"                             },
2215   { CA_ARG_5,                   "5"                             },
2216   { CA_ARG_10,                  "10"                            },
2217   { CA_ARG_100,                 "100"                           },
2218   { CA_ARG_1000,                "1000"                          },
2219   { CA_ARG_UNDEFINED,           " "                             },
2220   { CA_ARG_NUMBER_MIN,          "min"                           },
2221   { CA_ARG_NUMBER_MAX,          "max"                           },
2222   { CA_ARG_UNDEFINED,           " "                             },
2223   { CA_ARG_NUMBER_RESET,        "reset"                         },
2224   { CA_ARG_UNDEFINED,           " "                             },
2225   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2226   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2227   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2228   { CA_ARG_UNDEFINED,           " "                             },
2229   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2230   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2231   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2232   { CA_ARG_UNDEFINED,           " "                             },
2233   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2234   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2235   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2236   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2237   { CA_ARG_UNDEFINED,           " "                             },
2238   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2239   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2240   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2241   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2242   { CA_ARG_UNDEFINED,           " "                             },
2243   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2244   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2245   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2246   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2247
2248   { -1,                         NULL                            }
2249 };
2250
2251 static struct ValueTextInfo options_action_arg_envelope[] =
2252 {
2253   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2254   { CA_ARG_1,                   "1"                             },
2255   { CA_ARG_2,                   "2"                             },
2256   { CA_ARG_3,                   "3"                             },
2257   { CA_ARG_4,                   "4"                             },
2258   { CA_ARG_UNDEFINED,           " "                             },
2259   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2260   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2261   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2262   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2263
2264   { -1,                         NULL                            }
2265 };
2266
2267 static struct ValueTextInfo options_action_arg_key[] =
2268 {
2269   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2270   { CA_ARG_1,                   "1"                             },
2271   { CA_ARG_2,                   "2"                             },
2272   { CA_ARG_3,                   "3"                             },
2273   { CA_ARG_4,                   "4"                             },
2274   { CA_ARG_5,                   "5"                             },
2275   { CA_ARG_6,                   "6"                             },
2276   { CA_ARG_7,                   "7"                             },
2277   { CA_ARG_8,                   "8"                             },
2278   { CA_ARG_UNDEFINED,           " "                             },
2279   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2280   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2281   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2282   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2283
2284   { -1,                         NULL                            }
2285 };
2286
2287 static struct ValueTextInfo options_action_arg_speed[] =
2288 {
2289   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2290   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2291   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2292   { CA_ARG_SPEED_SLOW,          "slow"                          },
2293   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2294   { CA_ARG_SPEED_FAST,          "fast"                          },
2295   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2296   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2297   { CA_ARG_UNDEFINED,           " "                             },
2298   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2299   { CA_ARG_SPEED_FASTER,        "faster"                        },
2300   { CA_ARG_UNDEFINED,           " "                             },
2301   { CA_ARG_SPEED_RESET,         "reset"                         },
2302
2303   { -1,                         NULL                            }
2304 };
2305
2306 static struct ValueTextInfo options_action_arg_shield[] =
2307 {
2308   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2309   { CA_ARG_SHIELD_OFF,          "off"                           },
2310   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2311   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2312
2313   { -1,                         NULL                            }
2314 };
2315
2316 static struct ValueTextInfo options_action_arg_artwork[] =
2317 {
2318   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2319   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2320   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2321   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2322   { CA_ARG_UNDEFINED,           " "                             },
2323   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2324
2325   { -1,                         NULL                            }
2326 };
2327
2328 static struct ValueTextInfo options_action_arg_gravity[] =
2329 {
2330   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2331   { CA_ARG_GRAVITY_ON,          "on"                            },
2332   { CA_ARG_GRAVITY_OFF,         "off"                           },
2333   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2334
2335   { -1,                         NULL                            }
2336 };
2337
2338 static struct ValueTextInfo options_action_arg_direction[] =
2339 {
2340   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2341   { CA_ARG_DIRECTION_NONE,      "none"                          },
2342   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2343   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2344   { CA_ARG_DIRECTION_UP,        "up"                            },
2345   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2346   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2347   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2348
2349   { -1,                         NULL                            }
2350 };
2351
2352 static struct ValueTextInfo options_action_arg_scan_mode[] =
2353 {
2354   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2355   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2356   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2357
2358   { -1,                         NULL                            }
2359 };
2360
2361 static struct ValueTextInfo options_action_arg_inventory[] =
2362 {
2363   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2364   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2365   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2366   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2367   { CA_ARG_UNDEFINED,           " "                             },
2368   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2369   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2370   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2371   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2372   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2373   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2374   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2375   { CA_ARG_UNDEFINED,           " "                             },
2376   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2377
2378   { -1,                         NULL                            }
2379 };
2380
2381 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2382 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2383 {
2384   { -1,                         NULL                            }
2385 };
2386
2387 static struct ValueTextInfo options_group_choice_mode[] =
2388 {
2389   { ANIM_RANDOM,                "random"                        },
2390   { ANIM_LOOP,                  "loop"                          },
2391   { ANIM_LINEAR,                "linear"                        },
2392   { ANIM_PINGPONG,              "pingpong"                      },
2393   { ANIM_PINGPONG2,             "pingpong 2"                    },
2394
2395   { -1,                         NULL                            }
2396 };
2397
2398 static struct ValueTextInfo *action_arg_modes[] =
2399 {
2400   options_action_mode_none,
2401   options_action_mode_assign,
2402   options_action_mode_add_remove,
2403   options_action_mode_calculate,
2404 };
2405
2406 static struct
2407 {
2408   int value;
2409   int mode;
2410   struct ValueTextInfo *options;
2411 }
2412 action_arg_options[] =
2413 {
2414   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2415   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2416   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2417   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2418   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2419   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2420   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2421   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2422   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2423   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2424   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2425   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2426   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2427   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2428   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2429   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2430   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2431   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2432   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2433   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2434   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2435
2436   { -1,                         FALSE,  NULL                            }
2437 };
2438
2439 static struct
2440 {
2441   int x, y;
2442   int gadget_id;
2443   int gadget_id_align;
2444   int size;     // char size of selectbox or '-1' (dynamically determined)
2445   struct ValueTextInfo *options;
2446   int *value;
2447   char *text_above, *text_left, *text_right, *infotext;
2448 } selectbox_info[ED_NUM_SELECTBOX] =
2449 {
2450   // ---------- level and editor settings -------------------------------------
2451
2452   {
2453     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2454     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2455     -1,
2456     options_time_or_steps,
2457     &level.use_step_counter,
2458     NULL, NULL, "(0 => no limit)",      "time or step limit"
2459   },
2460   {
2461     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2462     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2463     -1,
2464     options_game_engine_type,
2465     &level.game_engine_type,
2466     NULL, "game engine:", NULL,         "game engine"
2467   },
2468   {
2469     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2470     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2471     -1,
2472     options_levelset_save_mode,
2473     &levelset_save_mode,
2474     "Action:", NULL, NULL,              "action when saving level set"
2475   },
2476
2477   // ---------- element settings: configure (several elements) ----------------
2478
2479   {
2480     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2481     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2482     -1,
2483     options_wind_direction,
2484     &level.wind_direction_initial,
2485     NULL, "initial wind direction:", NULL,      "initial wind direction"
2486   },
2487   {
2488     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2489     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2490     -1,
2491     options_player_speed,
2492     &level.initial_player_stepsize[0],
2493     NULL, "initial player speed:", NULL,        "initial player speed"
2494   },
2495
2496   // ---------- element settings: configure 1 (custom elements) ---------------
2497
2498   {
2499     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2500     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2501     -1,
2502     options_access_type,
2503     &custom_element.access_type,
2504     NULL, NULL, NULL,                   "type of access to this field"
2505   },
2506   {
2507     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2508     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2509     -1,
2510     options_access_layer,
2511     &custom_element.access_layer,
2512     NULL, NULL, NULL,                   "layer of access for this field"
2513   },
2514   {
2515     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2516     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2517     -1,
2518     options_access_protected,
2519     &custom_element.access_protected,
2520     NULL, NULL, NULL,                   "protected access for this field"
2521   },
2522   {
2523     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2524     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2525     -1,
2526     options_access_direction,
2527     &custom_element.access_direction,
2528     NULL, "from", NULL,                 "access direction for this field"
2529   },
2530   {
2531     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2532     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2533     -1,
2534     options_walk_to_action,
2535     &custom_element.walk_to_action,
2536     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2537   },
2538
2539   // ---------- element settings: configure 2 (custom elements) ---------------
2540
2541   {
2542     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2543     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2544     -1,
2545     options_move_pattern,
2546     &custom_element.move_pattern,
2547     NULL, "can move", NULL,             "element move pattern"
2548   },
2549   {
2550     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2551     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2552     -1,
2553     options_move_direction,
2554     &custom_element.move_direction_initial,
2555     NULL, "starts moving", NULL,        "initial element move direction"
2556   },
2557   {
2558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2559     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2560     -1,
2561     options_move_stepsize,
2562     &custom_element.move_stepsize,
2563     NULL, "move/fall speed", NULL,      "speed of element movement"
2564   },
2565   {
2566     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2567     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2568     -1,
2569     options_move_leave_type,
2570     &custom_element.move_leave_type,
2571     // left text with leading spaces to place gadget next to "can dig" gadget
2572     // (needed because drawing area gadgets created after selectbox gadgets)
2573     // NULL, "can dig:    can", ":",    "leave behind or change element"
2574     NULL, "            can", ":",       "leave behind or change element"
2575   },
2576   {
2577     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2578     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2579     -1,
2580     options_smash_targets,
2581     &custom_element.smash_targets,
2582     NULL, "can smash", NULL,            "elements that can be smashed"
2583   },
2584   {
2585     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2586     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2587     -1,
2588     options_slippery_type,
2589     &custom_element.slippery_type,
2590     NULL, "slippery", NULL,             "where other elements fall down"
2591   },
2592   {
2593     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2594     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2595     -1,
2596     options_deadliness,
2597     &custom_element.deadliness,
2598     NULL, "deadly when", NULL,          "deadliness of element"
2599   },
2600   {
2601     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2602     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2603     -1,
2604     options_explosion_type,
2605     &custom_element.explosion_type,
2606     NULL, "can explode", NULL,          "explosion type"
2607   },
2608
2609   // ---------- element settings: advanced (custom elements) ------------------
2610
2611   {
2612     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2613     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2614     -1,
2615     options_time_units,
2616     &custom_element_change.delay_frames,
2617     NULL, "delay time given in", NULL,  "delay time units for change"
2618   },
2619   {
2620     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2621     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2622     -1,
2623     options_change_direct_action,
2624     &custom_element_change.direct_action,
2625     NULL, NULL, NULL,                   "type of direct action"
2626   },
2627   {
2628     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2629     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2630     -1,
2631     options_change_other_action,
2632     &custom_element_change.other_action,
2633     NULL, NULL, "element:",             "type of other element action"
2634   },
2635   {
2636     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2637     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2638     -1,
2639     options_change_trigger_side,
2640     &custom_element_change.trigger_side,
2641     NULL, "at", "side",                 "element side triggering change"
2642   },
2643   {
2644     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2645     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2646     -1,
2647     options_change_trigger_player,
2648     &custom_element_change.trigger_player,
2649     NULL, "player:", " ",               "player that causes change"
2650   },
2651   {
2652     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2653     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2654     -1,
2655     options_change_trigger_page,
2656     &custom_element_change.trigger_page,
2657     NULL, "page:", NULL,                "change page that causes change"
2658   },
2659   {
2660     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2661     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2662     -1,
2663     options_change_replace_when,
2664     &custom_element_change.replace_when,
2665     NULL, "replace when", NULL,         "which elements can be replaced"
2666   },
2667   {
2668     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2669     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2670     -1,
2671     options_action_type,
2672     &custom_element_change.action_type,
2673     NULL, NULL, NULL,                   "action on specified condition"
2674   },
2675   {
2676     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2677     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2678     -1,
2679     options_action_mode_none,
2680     &custom_element_change.action_mode,
2681     NULL, NULL, NULL,                   "action operator"
2682   },
2683   {
2684     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2685     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2686     -1,
2687     options_action_arg_none,
2688     &custom_element_change.action_arg,
2689     NULL, NULL, NULL,                   "action parameter"
2690   },
2691   {
2692     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2693     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2694     3,
2695     options_change_page,
2696     &custom_element.current_change_page,
2697     NULL, NULL, NULL,                   "element change page"
2698   },
2699
2700   // ---------- element settings: configure (group elements) ------------------
2701
2702   {
2703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2704     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2705     -1,
2706     options_group_choice_mode,
2707     &group_element_info.choice_mode,
2708     NULL, "choice type:", NULL,         "type of group element choice"
2709   },
2710 };
2711
2712 static struct
2713 {
2714   int x, y;
2715   int gadget_id;
2716   int gadget_id_align;
2717   int size;
2718   char *text;
2719   char *text_above, *text_left, *text_right, *infotext;
2720 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2721 {
2722   // ---------- level and editor settings (tabs) ------------------------------
2723
2724   {
2725     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2726     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2727     8,                                  "Level",
2728     NULL, NULL, NULL,                   "Configure level properties"
2729   },
2730   {
2731     -1,                                 -1,
2732     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2733     8,                                  "Levelset",
2734     NULL, NULL, NULL,                   "Update this or create new level set"
2735   },
2736   {
2737     -1,                                 -1,
2738     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2739     8,                                  "Editor",
2740     NULL, NULL, NULL,                   "Configure editor properties"
2741   },
2742
2743   // ---------- element settings (tabs) ---------------------------------------
2744
2745   {
2746     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2747     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2748     8,                                  "Info",
2749     NULL, NULL, NULL,                   "Show information about element"
2750   },
2751   {
2752     -1,                                 -1,
2753     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2754     8,                                  "Config",
2755     NULL, NULL, NULL,                   "Configure element properties"
2756   },
2757   {
2758     -1,                                 -1,
2759     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2760     8,                                  "Config 1",
2761     NULL, NULL, NULL,                   "Configure element properties, part 1"
2762   },
2763   {
2764     -1,                                 -1,
2765     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2766     8,                                  "Config 2",
2767     NULL, NULL, NULL,                   "Configure element properties, part 2"
2768   },
2769   {
2770     -1,                                 -1,
2771     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2772     8,                                  "Change",
2773     NULL, NULL, NULL,                   "Configure custom element change pages"
2774   },
2775
2776   // ---------- level and editor settings (buttons) ---------------------------
2777
2778   {
2779     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2780     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2781     -1,                                 "Save",
2782     NULL, NULL, NULL,                   "Update or create level set"
2783   },
2784   {
2785     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2786     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2787     -1,                                 "Save",
2788     NULL, NULL,                         "this level as level template",
2789     "Save current settings as new template"
2790   },
2791
2792   // ---------- element settings (buttons) ------------------------------------
2793
2794   {
2795     -1,                                 -1,
2796     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2797     -1,                                 "Save",
2798     NULL, " ",                          "As Template",
2799     "Save current settings as new template"
2800   },
2801   {
2802     -1,                                 -1,
2803     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2804     -1,                                 "New",
2805     NULL, NULL, NULL,                   "Add new change page"
2806   },
2807   {
2808     -1,                                 -1,
2809     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2810     -1,                                 "Delete",
2811     NULL, NULL, NULL,                   "Delete current change page"
2812   },
2813 };
2814
2815 static struct
2816 {
2817   int graphic;
2818   int x, y;
2819   int gadget_id;
2820   int gadget_id_align;
2821   char *text_left, *text_right, *infotext;
2822 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2823 {
2824   {
2825     IMG_EDITOR_COUNTER_DOWN,
2826     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2827     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2828     NULL, NULL,                         "select previous change page"
2829   },
2830   {
2831     IMG_EDITOR_COUNTER_UP,
2832     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2833     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2834     NULL, "change page",                "select next change page"
2835   },
2836   {
2837     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2838     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2839     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2840     " ", NULL,                          "copy settings from this change page"
2841   },
2842   {
2843     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2844     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2845     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2846     NULL, NULL,                         "paste settings to this change page"
2847   },
2848 };
2849
2850 static struct
2851 {
2852   int x, y;
2853 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2854
2855 static struct
2856 {
2857   int graphic;
2858   int gadget_id;
2859   char *infotext;
2860 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2861 {
2862   {
2863     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2864     GADGET_ID_SCROLL_UP,
2865     "scroll level editing area up"
2866   },
2867   {
2868     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2869     GADGET_ID_SCROLL_DOWN,
2870     "scroll level editing area down"
2871   },
2872   {
2873     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2874     GADGET_ID_SCROLL_LEFT,
2875     "scroll level editing area left"
2876   },
2877   {
2878     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2879     GADGET_ID_SCROLL_RIGHT,
2880     "scroll level editing area right"
2881   },
2882   {
2883     IMG_EDITOR_PALETTE_SCROLL_UP,
2884     GADGET_ID_SCROLL_LIST_UP,
2885     "scroll element list up ('Page Up')"
2886   },
2887   {
2888     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2889     GADGET_ID_SCROLL_LIST_DOWN,
2890     "scroll element list down ('Page Down')"
2891   },
2892 };
2893
2894 static struct
2895 {
2896   int x, y;
2897   int width, height;
2898   int wheel_x, wheel_y;
2899   int wheel_width, wheel_height;
2900 } scrollbar_pos[ED_NUM_SCROLLBARS];
2901
2902 static struct
2903 {
2904   int graphic;
2905   int type;
2906   int gadget_id;
2907   char *infotext;
2908 } scrollbar_info[ED_NUM_SCROLLBARS] =
2909 {
2910   {
2911     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2912     GD_TYPE_SCROLLBAR_HORIZONTAL,
2913     GADGET_ID_SCROLL_HORIZONTAL,
2914     "scroll level editing area horizontally"
2915   },
2916   {
2917     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2918     GD_TYPE_SCROLLBAR_VERTICAL,
2919     GADGET_ID_SCROLL_VERTICAL,
2920     "scroll level editing area vertically"
2921   },
2922   {
2923     IMG_EDITOR_PALETTE_SCROLLBAR,
2924     GD_TYPE_SCROLLBAR_VERTICAL,
2925     GADGET_ID_SCROLL_LIST_VERTICAL,
2926     "scroll element list vertically"
2927   }
2928 };
2929
2930
2931 static struct
2932 {
2933   int x, y;
2934   int gadget_id;
2935   int gadget_id_align;
2936   int radio_button_nr;
2937   int *value;
2938   int checked_value;
2939   char *text_left, *text_right, *infotext;
2940 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2941 {
2942   {
2943     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2944     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2945     RADIO_NR_RANDOM_ELEMENTS,
2946     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2947     " ", "percentage",                  "use percentage for random elements"
2948   },
2949   {
2950     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2951     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2952     RADIO_NR_RANDOM_ELEMENTS,
2953     &random_placement_method,           RANDOM_USE_QUANTITY,
2954     " ", "quantity",                    "use quantity for random elements"
2955   }
2956 };
2957
2958 static struct
2959 {
2960   int x, y;
2961   int gadget_id;
2962   int gadget_id_align;
2963   boolean *value;
2964   char *text_above, *text_left, *text_right, *infotext;
2965 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2966 {
2967   // ---------- level and editor settings -------------------------------------
2968
2969   {
2970     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2971     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2972     &level.auto_count_gems,
2973     NULL, NULL,
2974     "automatically count gems needed",  "set counter to number of gems"
2975   },
2976   {
2977     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2978     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2979     &levelset_use_levelset_artwork,
2980     NULL, NULL,
2981     "use current custom artwork",       "use custom artwork of this level set"
2982   },
2983   {
2984     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2985     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2986     &levelset_copy_level_template,
2987     NULL, NULL,
2988     "copy current level template",      "copy level template of this level set"
2989   },
2990   {
2991     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2992     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2993     &random_placement_background_restricted,
2994     NULL, NULL,
2995     "restrict random placement to:",    "set random placement restriction"
2996   },
2997   {
2998     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2999     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3000     &setup.editor.use_template_for_new_levels,
3001     "Template for new levels and CE/GE:", NULL,
3002     "use template for new levels",      "use template for level properties"
3003   },
3004   {
3005     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3006     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3007     &level.use_custom_template,
3008     NULL, NULL,
3009     "use template for custom elements", "use template for custom properties"
3010   },
3011
3012   // ---------- element settings: configure (various elements) ----------------
3013
3014   {
3015     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3016     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3017     &stick_element_properties_window,
3018     NULL, NULL,
3019     "stick this screen to edit content","stick this screen to edit content"
3020   },
3021   {
3022     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3023     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3024     &level.em_slippery_gems,
3025     NULL, NULL,
3026     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3027   },
3028   {
3029     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3030     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3031     &level.em_explodes_by_fire,
3032     NULL, NULL,
3033     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3034   },
3035   {
3036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3037     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3038     &level.use_spring_bug,
3039     NULL, NULL,
3040     "use spring pushing bug",           "use odd spring pushing behaviour"
3041   },
3042   {
3043     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3044     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3045     &level.use_time_orb_bug,
3046     NULL, NULL,
3047     "use time orb bug",                 "use odd time orb behaviour"
3048   },
3049   {
3050     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3051     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3052     &level.use_life_bugs,
3053     NULL, NULL,
3054     "use buggy element behaviour",      "use odd (historic) element behaviour"
3055   },
3056   {
3057     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3058     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3059     &level.ball_random,
3060     NULL, NULL,
3061     "create single random element",     "only create one element from content"
3062   },
3063   {
3064     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3065     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
3066     &level.ball_state_initial,
3067     NULL, NULL,
3068     "magic ball initially activated",   "activate magic ball after level start"
3069   },
3070   {
3071     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3072     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3073     &level.grow_into_diggable,
3074     NULL, NULL,
3075     "can grow into anything diggable",  "grow into more than just sand"
3076   },
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3079     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3080     &level.auto_exit_sokoban,
3081     NULL, NULL,
3082     "exit level if all fields solved",  "automatically finish Sokoban levels"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3086     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3087     &level.solved_by_one_player,
3088     NULL, NULL,
3089     "only one player must enter exit",  "level solved by first player in exit"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3093     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3094     &level.continuous_snapping,
3095     NULL, NULL,
3096     "continuous snapping",              "use snapping without releasing key"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3100     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3101     &level.block_snap_field,
3102     NULL, NULL,
3103     "block snapped field when snapping", "use snapping delay to show animation"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3107     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3108     &level.block_last_field,
3109     NULL, NULL,
3110     "block last field when moving",     "player blocks last field when moving"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3114     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3115     &level.sp_block_last_field,
3116     NULL, NULL,
3117     "block last field when moving",     "player blocks last field when moving"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3121     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3122     &level.instant_relocation,
3123     NULL, NULL,
3124     "no scrolling when relocating",     "player gets relocated without delay"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3128     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3129     &level.shifted_relocation,
3130     NULL, NULL,
3131     "no centering when relocating",     "level not centered after relocation"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3135     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3136     &level.lazy_relocation,
3137     NULL, NULL,
3138     "only redraw off-screen relocation","no redraw if relocation target visible"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3142     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3143     &level.use_start_element[0],
3144     NULL, NULL,
3145     "use level start element:",        "start level at this element's position"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3149     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3150     &level.use_artwork_element[0],
3151     NULL, NULL,
3152     "use artwork from element:",        "use player artwork from other element"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3156     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3157     &level.use_explosion_element[0],
3158     NULL, NULL,
3159     "use explosion from element:",      "use explosion properties from element"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3163     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3164     &level.initial_player_gravity[0],
3165     NULL, NULL,
3166     "use initial gravity",              "set initial player gravity"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3170     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3171     &level.use_initial_inventory[0],
3172     NULL, NULL,
3173     "use initial inventory:",           "use collected elements on level start"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3177     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3178     &level.can_pass_to_walkable,
3179     NULL, NULL,
3180     "can pass to walkable element",     "player can pass to empty or walkable"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3184     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3185     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3186     NULL, NULL,
3187     "can fall into acid (with gravity)","player can fall into acid pool"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3191     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3192     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3193     NULL, NULL,
3194     "can move into acid",               "element can move into acid pool"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3198     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3199     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3200     NULL, NULL,
3201     "deadly when colliding with",       "element is deadly when hitting player"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3205     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3206     &level.envelope[0].autowrap,
3207     NULL, NULL,
3208     "auto-wrap",                        "automatically wrap envelope text"
3209   },
3210   {
3211     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3212     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3213     &level.envelope[0].centered,
3214     NULL, " ",
3215     "centered",                         "automatically center envelope text"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3219     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3220     &level.mm_laser_red,
3221     "choose color components for laser:", NULL,
3222     "red",                              "use red color components in laser"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3226     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3227     &level.mm_laser_green,
3228     NULL, NULL,
3229     "green",                            "use green color components in laser"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3233     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3234     &level.mm_laser_blue,
3235     NULL, NULL,
3236     "blue",                             "use blue color components in laser"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3240     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3241     &level.df_laser_red,
3242     "choose color components for laser:", NULL,
3243     "red",                              "use red color components in laser"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3247     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3248     &level.df_laser_green,
3249     NULL, NULL,
3250     "green",                            "use green color components in laser"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3254     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3255     &level.df_laser_blue,
3256     NULL, NULL,
3257     "blue",                             "use blue color components in laser"
3258   },
3259
3260   // ---------- element settings: configure 1 (custom elements) ---------------
3261
3262   {
3263     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3264     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3265     &custom_element.use_gfx_element,
3266     NULL, NULL,
3267     "use graphic of element:",          "use existing element graphic"
3268   },
3269   {
3270     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3271     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3272     &level.use_custom_template,
3273     NULL, NULL,
3274     "use template",                     "use template for custom properties"
3275   },
3276   {
3277     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3278     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3279     &custom_element_properties[EP_ACCESSIBLE],
3280     NULL, NULL,
3281     NULL,                               "player can walk to or pass this field"
3282   },
3283   {
3284     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3285     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3286     &custom_element_properties[EP_GRAVITY_REACHABLE],
3287     NULL, NULL,
3288     "reachable despite gravity",        "player can walk/dig despite gravity"
3289   },
3290   {
3291     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3292     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3293     &custom_element.use_last_ce_value,
3294     NULL, NULL,
3295     "use last CE value after change",   "use last CE value after change"
3296   },
3297   {
3298     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3299     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3300     &custom_element_properties[EP_WALK_TO_OBJECT],
3301     NULL, NULL,
3302     NULL,                               "player can dig/collect/push element"
3303   },
3304   {
3305     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3306     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3307     &custom_element_properties[EP_INDESTRUCTIBLE],
3308     NULL, NULL,
3309     "indestructible",                   "element is indestructible"
3310   },
3311
3312   // ---------- element settings: configure 2 (custom elements) ---------------
3313
3314   {
3315     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3316     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3317     &custom_element_properties[EP_CAN_MOVE],
3318     NULL, NULL,
3319     NULL,                               "element can move with some pattern"
3320   },
3321   {
3322     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3323     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3324     &custom_element_properties[EP_CAN_FALL],
3325     NULL, NULL,
3326     "can fall",                         "element can fall down"
3327   },
3328   {
3329     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3330     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3331     &custom_element_properties[EP_CAN_SMASH],
3332     NULL, " ",
3333     NULL,                               "element can smash other elements"
3334   },
3335   {
3336     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3337     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3338     &custom_element_properties[EP_SLIPPERY],
3339     NULL, NULL,
3340     NULL,                               "other elements can fall down from it"
3341   },
3342   {
3343     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3344     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3345     &custom_element_properties[EP_DEADLY],
3346     NULL, NULL,
3347     NULL,                               "element can kill the player"
3348   },
3349   {
3350     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3351     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3352     &custom_element_properties[EP_CAN_EXPLODE],
3353     NULL, NULL,
3354     NULL,                               "element can explode"
3355   },
3356   {
3357     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3358     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3359     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3360     NULL, NULL,
3361     "by fire",                          "element can explode by fire/explosion"
3362   },
3363   {
3364     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3365     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3366     &custom_element_properties[EP_EXPLODES_SMASHED],
3367     NULL, " ",
3368     "smashed",                          "element can explode when smashed"
3369   },
3370   {
3371     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3372     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3373     &custom_element_properties[EP_EXPLODES_IMPACT],
3374     NULL, " ",
3375     "impact",                           "element can explode on impact"
3376   },
3377
3378   // ---------- element settings: advanced (custom elements) ------------------
3379
3380   {
3381     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3382     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3383     &custom_element_change.can_change,
3384     NULL, NULL,
3385     "element changes to:",              "change element on specified condition"
3386   },
3387   {
3388     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3389     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3390     &custom_element_change_events[CE_DELAY],
3391     NULL, NULL,
3392     NULL,                               "element changes after delay"
3393   },
3394   {
3395     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3396     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3397     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3398     NULL, NULL,
3399     NULL,                               "element changes by direct action"
3400   },
3401   {
3402     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3403     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3404     &custom_element_change_events[CE_BY_OTHER_ACTION],
3405     NULL, NULL,
3406     NULL,                               "element changes by other element"
3407   },
3408   {
3409     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3410     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3411     &custom_element_change.explode,
3412     NULL, NULL,
3413     "explode instead of change",        "element explodes instead of change"
3414   },
3415   {
3416     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3417     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3418     &custom_element_change.use_target_content,
3419     NULL, NULL,
3420     "use extended change target:",      "element changes to more elements"
3421   },
3422   {
3423     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3424     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3425     &custom_element_change.only_if_complete,
3426     NULL, NULL,
3427     "replace all or nothing",           "only replace when all can be changed"
3428   },
3429   {
3430     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3431     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3432     &custom_element_change.use_random_replace,
3433     NULL, NULL,
3434     NULL,                               "use percentage for random replace"
3435   },
3436   {
3437     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3438     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3439     &custom_element_change.has_action,
3440     NULL, NULL,
3441     NULL,                               "execute action on specified condition"
3442   },
3443 };
3444
3445 static struct
3446 {
3447   int x, y;
3448   int xoffset, yoffset;
3449   int gadget_id;
3450   int gadget_id_align;
3451   int *value;
3452   int area_xsize, area_ysize;
3453   char *text_left, *text_right, *text_below, *infotext;
3454 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3455 {
3456   // ---------- level playfield content ---------------------------------------
3457
3458   {
3459     0,                                  0,
3460     0,                                  0,
3461     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3462     NULL,
3463     -1, -1,     // these values are not constant, but can change at runtime
3464     NULL, NULL, NULL,                   NULL
3465   },
3466
3467   // ---------- yam yam content -----------------------------------------------
3468
3469   {
3470     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3471     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3472     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3473     &level.yamyam_content[0].e[0][0],   3, 3,
3474     NULL, NULL, "1",                    NULL
3475   },
3476   {
3477     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3478     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3479     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3480     &level.yamyam_content[1].e[0][0],   3, 3,
3481     NULL, NULL, "2",                    NULL
3482   },
3483   {
3484     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3485     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3486     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3487     &level.yamyam_content[2].e[0][0],   3, 3,
3488     NULL, NULL, "3",                    NULL
3489   },
3490   {
3491     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3492     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3493     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3494     &level.yamyam_content[3].e[0][0],   3, 3,
3495     NULL, NULL, "4",                    NULL
3496   },
3497   {
3498     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3499     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3500     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3501     &level.yamyam_content[4].e[0][0],   3, 3,
3502     NULL, NULL, "5",                    NULL
3503   },
3504   {
3505     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3506     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3507     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3508     &level.yamyam_content[5].e[0][0],   3, 3,
3509     NULL, NULL, "6",                    NULL
3510   },
3511   {
3512     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3513     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3514     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3515     &level.yamyam_content[6].e[0][0],   3, 3,
3516     NULL, NULL, "7",                    NULL
3517   },
3518   {
3519     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3520     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3521     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3522     &level.yamyam_content[7].e[0][0],   3, 3,
3523     NULL, NULL, "8",                    NULL
3524   },
3525
3526   // ---------- magic ball content --------------------------------------------
3527
3528   {
3529     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3530     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3531     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3532     &level.ball_content[0].e[0][0],     3, 3,
3533     NULL, NULL, "1",                    NULL
3534   },
3535   {
3536     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3537     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3538     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3539     &level.ball_content[1].e[0][0],     3, 3,
3540     NULL, NULL, "2",                    NULL
3541   },
3542   {
3543     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3544     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3545     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3546     &level.ball_content[2].e[0][0],     3, 3,
3547     NULL, NULL, "3",                    NULL
3548   },
3549   {
3550     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3551     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3552     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3553     &level.ball_content[3].e[0][0],     3, 3,
3554     NULL, NULL, "4",                    NULL
3555   },
3556   {
3557     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3558     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3559     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3560     &level.ball_content[4].e[0][0],     3, 3,
3561     NULL, NULL, "5",                    NULL
3562   },
3563   {
3564     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3565     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3566     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3567     &level.ball_content[5].e[0][0],     3, 3,
3568     NULL, NULL, "6",                    NULL
3569   },
3570   {
3571     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3572     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3573     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3574     &level.ball_content[6].e[0][0],     3, 3,
3575     NULL, NULL, "7",                    NULL
3576   },
3577   {
3578     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3579     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3580     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3581     &level.ball_content[7].e[0][0],     3, 3,
3582     NULL, NULL, "8",                    NULL
3583   },
3584
3585   // ---------- android content -----------------------------------------------
3586
3587   {
3588     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3589     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3590     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3591     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3592     "elements:", NULL, NULL,            "elements android can clone"
3593   },
3594
3595   // ---------- amoeba content ------------------------------------------------
3596
3597   {
3598     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3599     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3600     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3601     &level.amoeba_content,              1, 1,
3602     "content:", NULL, NULL,             "amoeba content"
3603   },
3604
3605   // ---------- level start element -------------------------------------------
3606
3607   {
3608     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3609     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3610     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3611     &level.start_element[0],            1, 1,
3612     NULL, NULL, NULL,                   "level start element"
3613   },
3614
3615   // ---------- player artwork element ----------------------------------------
3616
3617   {
3618     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3619     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3620     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3621     &level.artwork_element[0],          1, 1,
3622     NULL, NULL, NULL,                   "element for player artwork"
3623   },
3624
3625   // ---------- player explosion element --------------------------------------
3626
3627   {
3628     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3629     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3630     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3631     &level.explosion_element[0],        1, 1,
3632     NULL, NULL, NULL,                   "element for player explosion"
3633   },
3634
3635   // ---------- player initial inventory --------------------------------------
3636
3637   {
3638     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3639     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3640     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3641     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3642     NULL, NULL, NULL,                   "content for initial inventory"
3643   },
3644
3645   // ---------- element settings: configure 1 (custom elements) ---------------
3646
3647   // ---------- custom graphic ------------------------------------------------
3648
3649   {
3650     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3651     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3652     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3653     &custom_element.gfx_element_initial,1, 1,
3654     NULL, NULL, NULL,                   "custom graphic element"
3655   },
3656
3657   // ---------- element settings: configure 2 (custom elements) ---------------
3658
3659   // ---------- custom content (when exploding) -------------------------------
3660
3661   {
3662     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3663     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3664     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3665     &custom_element.content.e[0][0],    3, 3,
3666     "content:", NULL, NULL,             NULL
3667   },
3668
3669   // ---------- custom enter and leave element (when moving) ------------------
3670
3671   {
3672     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3673     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3674     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3675     &custom_element.move_enter_element, 1, 1,
3676     "can dig:", " ", NULL,              "element that can be digged/collected"
3677   },
3678   {
3679     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3680     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3681     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3682     &custom_element.move_leave_element, 1, 1,
3683     NULL, NULL, NULL,                   "element that will be left behind"
3684   },
3685
3686   // ---------- element settings: advanced (custom elements) ------------------
3687
3688   // ---------- custom change target ------------------------------------------
3689
3690   {
3691     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3692     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3693     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3694     &custom_element_change.target_element, 1, 1,
3695     NULL, "after/when:", NULL,          "new target element after change"
3696   },
3697
3698   // ---------- custom change content (extended change target) ----------------
3699
3700   {
3701     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3702     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3703     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3704     &custom_element_change.target_content.e[0][0], 3, 3,
3705     NULL, NULL, NULL,                   "new extended elements after change"
3706   },
3707
3708   // ---------- custom change trigger (element causing change) ----------------
3709
3710   {
3711     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3712     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3713     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3714     &custom_element_change.initial_trigger_element, 1, 1,
3715     NULL, NULL, NULL,                   "other element triggering change"
3716   },
3717
3718   // ---------- custom change action (element used for action) ----------------
3719
3720   {
3721     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3722     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3723     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3724     &custom_element_change.action_element, 1, 1,
3725     NULL, NULL, NULL,                   "element used as action parameter"
3726   },
3727
3728   // ---------- group element content -----------------------------------------
3729
3730   {
3731     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3732     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3733     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3734     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3735     "content:", NULL, NULL,             NULL
3736   },
3737
3738   // ---------- random background (for random painting) -----------------------
3739
3740   {
3741     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3742     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3743     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3744     &random_placement_background_element, 1, 1,
3745     NULL, NULL, NULL,                   "random placement background"
3746   },
3747 };
3748
3749
3750 /*
3751   -----------------------------------------------------------------------------
3752   some internally used variables
3753   -----------------------------------------------------------------------------
3754 */
3755
3756 // maximal size of level editor drawing area
3757 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3758
3759 // actual size of level editor drawing area
3760 static int ed_fieldx, ed_fieldy;
3761
3762 // actual position of level editor drawing area in level playfield
3763 static int level_xpos = -1, level_ypos = -1;
3764
3765 // actual tile size used to display playfield drawing area
3766 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3767 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3768
3769 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3770
3771 // drawing elements on the three mouse buttons
3772 static int new_element1 = EL_WALL;
3773 static int new_element2 = EL_EMPTY;
3774 static int new_element3 = EL_SAND;
3775
3776 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3777 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3778                                 (button) == 2 ? new_element2 : \
3779                                 (button) == 3 ? new_element3 : EL_EMPTY)
3780
3781 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3782
3783 static int use_permanent_palette = TRUE;
3784
3785 #define PX              (use_permanent_palette ? DX : SX)
3786 #define PY              (use_permanent_palette ? DY : SY)
3787 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3788 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3789
3790 // forward declaration for internal use
3791 static void ModifyEditorCounterValue(int, int);
3792 static void ModifyEditorCounterLimits(int, int, int);
3793 static void ModifyEditorSelectboxValue(int, int);
3794 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3795 static void ModifyEditorDrawingArea(int, int, int);
3796 static void ModifyEditorElementList(void);
3797 static void AdjustElementListScrollbar(void);
3798 static void RedrawDrawingElements(void);
3799 static void DrawDrawingWindowExt(boolean);
3800 static void DrawDrawingWindow(void);
3801 static void DrawLevelInfoWindow(void);
3802 static void DrawPropertiesWindow(void);
3803 static void DrawPaletteWindow(void);
3804 static void UpdateCustomElementGraphicGadgets(void);
3805 static boolean checkPropertiesConfig(int);
3806 static void SetAutomaticNumberOfGemsNeeded(void);
3807 static void ClearEditorGadgetInfoText(void);
3808 static void CopyLevelToUndoBuffer(int);
3809 static void HandleDrawingAreas(struct GadgetInfo *);
3810 static void HandleCounterButtons(struct GadgetInfo *);
3811 static void HandleTextInputGadgets(struct GadgetInfo *);
3812 static void HandleTextAreaGadgets(struct GadgetInfo *);
3813 static void HandleSelectboxGadgets(struct GadgetInfo *);
3814 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3815 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3816 static void HandleRadiobuttons(struct GadgetInfo *);
3817 static void HandleCheckbuttons(struct GadgetInfo *);
3818 static void HandleControlButtons(struct GadgetInfo *);
3819 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3820 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3821 static boolean AskToCopyAndModifyLevelTemplate(void);
3822 static boolean getDrawModeHiRes(void);
3823 static int getTabulatorBarWidth(void);
3824 static int getTabulatorBarHeight(void);
3825 static Pixel getTabulatorBarColor(void);
3826
3827 static int num_editor_gadgets = 0;      // dynamically determined
3828
3829 static struct GadgetInfo **level_editor_gadget = NULL;
3830 static int *right_gadget_border = NULL;
3831
3832 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3833 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3834 static boolean draw_with_brush = FALSE;
3835 static int properties_element = 0;
3836
3837 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3838 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3839 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3840 static int undo_buffer_position = 0;
3841 static int undo_buffer_steps = 0;
3842 static int redo_buffer_steps = 0;
3843
3844 static int edit_mode;
3845 static int edit_mode_levelinfo;
3846 static int edit_mode_properties;
3847
3848 static int element_shift = 0;
3849
3850 static int editor_el_players[] =
3851 {
3852   EL_PLAYER_1,
3853   EL_PLAYER_2,
3854   EL_PLAYER_3,
3855   EL_PLAYER_4
3856 };
3857 static int *editor_el_players_ptr = editor_el_players;
3858 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3859
3860 static int editor_hl_boulderdash[] =
3861 {
3862   EL_INTERNAL_CASCADE_BD_ACTIVE,
3863   EL_CHAR('B'),
3864   EL_CHAR('D'),
3865   EL_EMPTY,
3866 };
3867
3868 static int editor_el_boulderdash[] =
3869 {
3870   EL_EMPTY,
3871   EL_SAND,
3872   EL_BD_ROCK,
3873   EL_BD_DIAMOND,
3874
3875   EL_STEELWALL,
3876   EL_BD_WALL,
3877   EL_BD_EXPANDABLE_WALL,
3878   EL_BD_MAGIC_WALL,
3879
3880   EL_BD_AMOEBA,
3881   EL_BD_BUTTERFLY_UP,
3882   EL_BD_FIREFLY_UP,
3883   EL_EXIT_CLOSED,
3884
3885   EL_BD_BUTTERFLY_LEFT,
3886   EL_BD_FIREFLY_LEFT,
3887   EL_BD_BUTTERFLY_RIGHT,
3888   EL_BD_FIREFLY_RIGHT,
3889
3890   EL_EMPTY,
3891   EL_BD_BUTTERFLY_DOWN,
3892   EL_BD_FIREFLY_DOWN,
3893   EL_EXIT_OPEN,
3894 };
3895 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3896 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3897 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3898 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3899
3900 static int editor_hl_emerald_mine[] =
3901 {
3902   EL_INTERNAL_CASCADE_EM_ACTIVE,
3903   EL_CHAR('E'),
3904   EL_CHAR('M'),
3905   EL_EMPTY,
3906 };
3907
3908 static int editor_el_emerald_mine[] =
3909 {
3910   EL_SAND,
3911   EL_ROCK,
3912   EL_QUICKSAND_EMPTY,
3913   EL_QUICKSAND_FULL,
3914
3915   EL_STEELWALL,
3916   EL_WALL,
3917   EL_WALL_SLIPPERY,
3918   EL_MAGIC_WALL,
3919
3920   EL_EMERALD,
3921   EL_DIAMOND,
3922   EL_NUT,
3923   EL_BOMB,
3924
3925   EL_EM_DYNAMITE,
3926   EL_EM_DYNAMITE_ACTIVE,
3927   EL_EM_EXIT_CLOSED,
3928   EL_EM_EXIT_OPEN,
3929
3930   EL_YAMYAM_UP,
3931   EL_BUG_UP,
3932   EL_SPACESHIP_UP,
3933   EL_ROBOT,
3934
3935   EL_BUG_LEFT,
3936   EL_SPACESHIP_LEFT,
3937   EL_BUG_RIGHT,
3938   EL_SPACESHIP_RIGHT,
3939
3940   EL_ROBOT_WHEEL,
3941   EL_BUG_DOWN,
3942   EL_SPACESHIP_DOWN,
3943   EL_INVISIBLE_WALL,
3944
3945   EL_ACID_POOL_TOPLEFT,
3946   EL_ACID,
3947   EL_ACID_POOL_TOPRIGHT,
3948   EL_AMOEBA_DROP,
3949
3950   EL_ACID_POOL_BOTTOMLEFT,
3951   EL_ACID_POOL_BOTTOM,
3952   EL_ACID_POOL_BOTTOMRIGHT,
3953   EL_AMOEBA_WET,
3954
3955   EL_EM_KEY_1,
3956   EL_EM_KEY_2,
3957   EL_EM_KEY_3,
3958   EL_EM_KEY_4,
3959
3960   EL_EM_GATE_1,
3961   EL_EM_GATE_2,
3962   EL_EM_GATE_3,
3963   EL_EM_GATE_4,
3964
3965   EL_EM_GATE_1_GRAY,
3966   EL_EM_GATE_2_GRAY,
3967   EL_EM_GATE_3_GRAY,
3968   EL_EM_GATE_4_GRAY,
3969 };
3970 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3971 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3972 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
3973 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
3974
3975 static int editor_hl_emerald_mine_club[] =
3976 {
3977   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3978   EL_CHAR('E'),
3979   EL_CHAR('M'),
3980   EL_CHAR('C'),
3981 };
3982
3983 static int editor_el_emerald_mine_club[] =
3984 {
3985   EL_EMC_KEY_5,
3986   EL_EMC_KEY_6,
3987   EL_EMC_KEY_7,
3988   EL_EMC_KEY_8,
3989
3990   EL_EMC_GATE_5,
3991   EL_EMC_GATE_6,
3992   EL_EMC_GATE_7,
3993   EL_EMC_GATE_8,
3994
3995   EL_EMC_GATE_5_GRAY,
3996   EL_EMC_GATE_6_GRAY,
3997   EL_EMC_GATE_7_GRAY,
3998   EL_EMC_GATE_8_GRAY,
3999
4000   EL_EMC_STEELWALL_1,
4001   EL_EMC_STEELWALL_2,
4002   EL_EMC_STEELWALL_3,
4003   EL_EMC_STEELWALL_4,
4004
4005   EL_EMC_WALL_13,
4006   EL_EMC_WALL_14,
4007   EL_EMC_WALL_15,
4008   EL_EMC_WALL_16,
4009
4010   EL_EMC_WALL_SLIPPERY_1,
4011   EL_EMC_WALL_SLIPPERY_2,
4012   EL_EMC_WALL_SLIPPERY_3,
4013   EL_EMC_WALL_SLIPPERY_4,
4014
4015   EL_EMC_WALL_1,
4016   EL_EMC_WALL_2,
4017   EL_EMC_WALL_3,
4018   EL_EMC_WALL_4,
4019
4020   EL_EMC_WALL_5,
4021   EL_EMC_WALL_6,
4022   EL_EMC_WALL_7,
4023   EL_EMC_WALL_8,
4024
4025   EL_EMC_WALL_9,
4026   EL_EMC_WALL_10,
4027   EL_EMC_WALL_11,
4028   EL_EMC_WALL_12,
4029
4030   EL_EMC_GRASS,
4031   EL_EMC_FAKE_GRASS,
4032   EL_EMC_PLANT,
4033   EL_EMC_DRIPPER,
4034
4035   EL_EMC_MAGIC_BALL,
4036   EL_EMC_MAGIC_BALL_SWITCH,
4037   EL_SPRING,
4038   EL_EMC_SPRING_BUMPER,
4039
4040   EL_EMC_LENSES,
4041   EL_EMC_MAGNIFIER,
4042   EL_EMPTY,
4043   EL_EMPTY,
4044
4045   EL_BALLOON,
4046   EL_YAMYAM_UP,
4047   EL_BALLOON_SWITCH_UP,
4048   EL_BALLOON_SWITCH_ANY,
4049
4050   EL_YAMYAM_LEFT,
4051   EL_BALLOON_SWITCH_LEFT,
4052   EL_YAMYAM_RIGHT,
4053   EL_BALLOON_SWITCH_RIGHT,
4054
4055   EL_EMC_ANDROID,
4056   EL_YAMYAM_DOWN,
4057   EL_BALLOON_SWITCH_DOWN,
4058   EL_BALLOON_SWITCH_NONE,
4059 };
4060 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4061 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4062 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4063 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4064
4065 static int editor_hl_rnd[] =
4066 {
4067   EL_INTERNAL_CASCADE_RND_ACTIVE,
4068   EL_CHAR('R'),
4069   EL_CHAR('N'),
4070   EL_CHAR('D'),
4071 };
4072
4073 static int editor_el_rnd[] =
4074 {
4075   EL_DYNAMITE,                  // RND
4076   EL_DYNAMITE_ACTIVE,           // RND
4077   EL_EMPTY,
4078   EL_EMPTY,
4079
4080   EL_KEY_1,
4081   EL_KEY_2,
4082   EL_KEY_3,
4083   EL_KEY_4,
4084
4085   EL_GATE_1,
4086   EL_GATE_2,
4087   EL_GATE_3,
4088   EL_GATE_4,
4089
4090   EL_GATE_1_GRAY,
4091   EL_GATE_2_GRAY,
4092   EL_GATE_3_GRAY,
4093   EL_GATE_4_GRAY,
4094
4095   EL_ARROW_LEFT,
4096   EL_ARROW_RIGHT,
4097   EL_ARROW_UP,
4098   EL_ARROW_DOWN,
4099
4100   EL_AMOEBA_DEAD,
4101   EL_AMOEBA_DRY,
4102   EL_AMOEBA_FULL,
4103   EL_GAME_OF_LIFE,
4104
4105   EL_EMERALD_YELLOW,
4106   EL_EMERALD_RED,
4107   EL_EMERALD_PURPLE,
4108   EL_BIOMAZE,
4109
4110   EL_WALL_EMERALD_YELLOW,
4111   EL_WALL_EMERALD_RED,
4112   EL_WALL_EMERALD_PURPLE,
4113   EL_WALL_BD_DIAMOND,
4114
4115   EL_SPEED_PILL,
4116   EL_PACMAN_UP,
4117   EL_TIME_ORB_FULL,
4118   EL_TIME_ORB_EMPTY,
4119
4120   EL_PACMAN_LEFT,
4121   EL_DARK_YAMYAM,
4122   EL_PACMAN_RIGHT,
4123   EL_YAMYAM,                    // RND
4124
4125   EL_BLACK_ORB,
4126   EL_PACMAN_DOWN,
4127   EL_LAMP,
4128   EL_LAMP_ACTIVE,
4129
4130   EL_DYNABOMB_INCREASE_NUMBER,
4131   EL_DYNABOMB_INCREASE_SIZE,
4132   EL_DYNABOMB_INCREASE_POWER,
4133   EL_STONEBLOCK,
4134
4135   EL_MOLE,
4136   EL_PENGUIN,
4137   EL_PIG,
4138   EL_DRAGON,
4139
4140   EL_BUG,
4141   EL_MOLE_UP,
4142   EL_BD_BUTTERFLY,
4143   EL_BD_FIREFLY,
4144
4145   EL_MOLE_LEFT,
4146   EL_SATELLITE,
4147   EL_MOLE_RIGHT,
4148   EL_PACMAN,
4149
4150   EL_SPACESHIP,
4151   EL_MOLE_DOWN,
4152   EL_INVISIBLE_STEELWALL,
4153   EL_INVISIBLE_WALL,
4154
4155   EL_EXPANDABLE_WALL,
4156   EL_EXPANDABLE_WALL_HORIZONTAL,
4157   EL_EXPANDABLE_WALL_VERTICAL,
4158   EL_EXPANDABLE_WALL_ANY,
4159 };
4160 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4161 static int *editor_el_rnd_ptr = editor_el_rnd;
4162 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4163 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4164
4165 static int editor_hl_sokoban[] =
4166 {
4167   EL_INTERNAL_CASCADE_SB_ACTIVE,
4168   EL_CHAR('S'),
4169   EL_CHAR('B'),
4170   EL_EMPTY,
4171 };
4172
4173 static int editor_el_sokoban[] =
4174 {
4175   EL_SOKOBAN_OBJECT,
4176   EL_SOKOBAN_FIELD_EMPTY,
4177   EL_SOKOBAN_FIELD_FULL,
4178   EL_SOKOBAN_FIELD_PLAYER,
4179 };
4180 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4181 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4182 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4183 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4184
4185 static int editor_hl_supaplex[] =
4186 {
4187   EL_INTERNAL_CASCADE_SP_ACTIVE,
4188   EL_CHAR('S'),
4189   EL_CHAR('P'),
4190   EL_EMPTY,
4191 };
4192
4193 static int editor_el_supaplex[] =
4194 {
4195   EL_SP_MURPHY,
4196   EL_EMPTY,
4197   EL_SP_BASE,
4198   EL_SP_BUGGY_BASE,
4199
4200   EL_SP_INFOTRON,
4201   EL_SP_ZONK,
4202   EL_SP_SNIKSNAK,
4203   EL_SP_ELECTRON,
4204
4205   EL_SP_DISK_RED,
4206   EL_SP_DISK_ORANGE,
4207   EL_SP_DISK_YELLOW,
4208   EL_SP_TERMINAL,
4209
4210   EL_SP_EXIT_CLOSED,
4211   EL_SP_PORT_HORIZONTAL,
4212   EL_SP_PORT_VERTICAL,
4213   EL_SP_PORT_ANY,
4214
4215   EL_SP_PORT_LEFT,
4216   EL_SP_PORT_RIGHT,
4217   EL_SP_PORT_UP,
4218   EL_SP_PORT_DOWN,
4219
4220   EL_SP_GRAVITY_PORT_LEFT,
4221   EL_SP_GRAVITY_PORT_RIGHT,
4222   EL_SP_GRAVITY_PORT_UP,
4223   EL_SP_GRAVITY_PORT_DOWN,
4224
4225   EL_SP_GRAVITY_ON_PORT_LEFT,
4226   EL_SP_GRAVITY_ON_PORT_RIGHT,
4227   EL_SP_GRAVITY_ON_PORT_UP,
4228   EL_SP_GRAVITY_ON_PORT_DOWN,
4229
4230   EL_SP_GRAVITY_OFF_PORT_LEFT,
4231   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4232   EL_SP_GRAVITY_OFF_PORT_UP,
4233   EL_SP_GRAVITY_OFF_PORT_DOWN,
4234
4235   EL_SP_HARDWARE_GRAY,
4236   EL_SP_HARDWARE_GREEN,
4237   EL_SP_HARDWARE_BLUE,
4238   EL_SP_HARDWARE_RED,
4239
4240   EL_SP_HARDWARE_BASE_1,
4241   EL_SP_HARDWARE_BASE_2,
4242   EL_SP_HARDWARE_BASE_3,
4243   EL_SP_HARDWARE_BASE_4,
4244
4245   EL_SP_HARDWARE_BASE_5,
4246   EL_SP_HARDWARE_BASE_6,
4247   EL_SP_HARDWARE_YELLOW,
4248   EL_SP_CHIP_TOP,
4249
4250   EL_SP_CHIP_SINGLE,
4251   EL_SP_CHIP_LEFT,
4252   EL_SP_CHIP_RIGHT,
4253   EL_SP_CHIP_BOTTOM,
4254 };
4255 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4256 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4257 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4258 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4259
4260 static int editor_hl_diamond_caves[] =
4261 {
4262   EL_INTERNAL_CASCADE_DC_ACTIVE,
4263   EL_CHAR('D'),
4264   EL_CHAR('C'),
4265   EL_CHAR('2'),
4266 };
4267
4268 static int editor_el_diamond_caves[] =
4269 {
4270   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4271   EL_EM_STEEL_EXIT_OPEN,        // DC2
4272   EL_WALL_EMERALD,              // DC2
4273   EL_WALL_DIAMOND,              // DC2
4274
4275   EL_PEARL,
4276   EL_CRYSTAL,
4277   EL_WALL_PEARL,
4278   EL_WALL_CRYSTAL,
4279
4280   EL_CONVEYOR_BELT_1_LEFT,
4281   EL_CONVEYOR_BELT_1_MIDDLE,
4282   EL_CONVEYOR_BELT_1_RIGHT,
4283   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4284
4285   EL_CONVEYOR_BELT_2_LEFT,
4286   EL_CONVEYOR_BELT_2_MIDDLE,
4287   EL_CONVEYOR_BELT_2_RIGHT,
4288   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4289
4290   EL_CONVEYOR_BELT_3_LEFT,
4291   EL_CONVEYOR_BELT_3_MIDDLE,
4292   EL_CONVEYOR_BELT_3_RIGHT,
4293   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4294
4295   EL_CONVEYOR_BELT_4_LEFT,
4296   EL_CONVEYOR_BELT_4_MIDDLE,
4297   EL_CONVEYOR_BELT_4_RIGHT,
4298   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4299
4300   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4301   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4302   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4303   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4304
4305   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4306   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4307   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4308   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4309
4310   EL_TIMEGATE_CLOSED,
4311   EL_TIMEGATE_OPEN,
4312   EL_TIMEGATE_SWITCH,
4313   EL_DC_TIMEGATE_SWITCH,
4314
4315   EL_SWITCHGATE_CLOSED,
4316   EL_SWITCHGATE_OPEN,
4317   EL_SWITCHGATE_SWITCH_UP,
4318   EL_SWITCHGATE_SWITCH_DOWN,
4319
4320   EL_LIGHT_SWITCH,
4321   EL_LIGHT_SWITCH_ACTIVE,
4322   EL_DC_SWITCHGATE_SWITCH_UP,
4323   EL_DC_SWITCHGATE_SWITCH_DOWN,
4324
4325   EL_STEEL_EXIT_CLOSED,
4326   EL_STEEL_EXIT_OPEN,
4327   EL_STEELWALL_SLIPPERY,
4328   EL_INVISIBLE_SAND,
4329
4330   EL_QUICKSAND_FAST_EMPTY,
4331   EL_QUICKSAND_FAST_FULL,
4332   EL_LANDMINE,
4333   EL_DC_LANDMINE,
4334
4335   EL_SHIELD_NORMAL,
4336   EL_SHIELD_DEADLY,
4337   EL_EXTRA_TIME,
4338   EL_DC_MAGIC_WALL,
4339
4340   EL_ENVELOPE_1,
4341   EL_ENVELOPE_2,
4342   EL_ENVELOPE_3,
4343   EL_ENVELOPE_4,
4344
4345   EL_SIGN_RADIOACTIVITY,
4346   EL_SIGN_WHEELCHAIR,
4347   EL_SIGN_PARKING,
4348   EL_SIGN_NO_ENTRY,
4349
4350   EL_SIGN_GIVE_WAY,
4351   EL_SIGN_ENTRY_FORBIDDEN,
4352   EL_SIGN_EMERGENCY_EXIT,
4353   EL_SIGN_YIN_YANG,
4354
4355 #if 0
4356   EL_SIGN_SPERMS,
4357   EL_SIGN_BULLET,
4358   EL_SIGN_HEART,
4359   EL_SIGN_CROSS,
4360
4361   EL_SIGN_FRANKIE,
4362   EL_EMPTY,
4363   EL_EMPTY,
4364   EL_EMPTY,
4365
4366   EL_SPERMS,
4367   EL_BULLET,
4368   EL_HEART,
4369   EL_CROSS,
4370
4371   EL_FRANKIE,
4372   EL_EMPTY,
4373   EL_EMPTY,
4374   EL_EMPTY,
4375 #endif
4376
4377   EL_DC_STEELWALL_2_SINGLE,
4378   EL_DC_STEELWALL_2_TOP,
4379   EL_SIGN_EXCLAMATION,
4380   EL_SIGN_STOP,
4381
4382   EL_DC_STEELWALL_2_LEFT,
4383   EL_DC_STEELWALL_2_MIDDLE,
4384   EL_DC_STEELWALL_2_HORIZONTAL,
4385   EL_DC_STEELWALL_2_RIGHT,
4386
4387   EL_DC_STEELWALL_1_TOPLEFT,
4388   EL_DC_STEELWALL_2_VERTICAL,
4389   EL_DC_STEELWALL_1_TOPRIGHT,
4390   EL_DC_GATE_WHITE,
4391
4392   EL_DC_STEELWALL_1_VERTICAL,
4393   EL_DC_STEELWALL_2_BOTTOM,
4394   EL_DC_KEY_WHITE,
4395   EL_DC_GATE_WHITE_GRAY,
4396
4397   EL_DC_STEELWALL_1_BOTTOMLEFT,
4398   EL_DC_STEELWALL_1_HORIZONTAL,
4399   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4400   EL_DC_GATE_FAKE_GRAY,
4401
4402   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4403   EL_DC_STEELWALL_1_BOTTOM,
4404   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4405   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4406
4407   EL_DC_STEELWALL_1_RIGHT,
4408   EL_EMPTY,
4409   EL_DC_STEELWALL_1_LEFT,
4410   EL_EXPANDABLE_STEELWALL_VERTICAL,
4411
4412   EL_DC_STEELWALL_1_TOPRIGHT_2,
4413   EL_DC_STEELWALL_1_TOP,
4414   EL_DC_STEELWALL_1_TOPLEFT_2,
4415   EL_EXPANDABLE_STEELWALL_ANY,
4416 };
4417 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4418 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4419 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4420 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4421
4422 static int editor_hl_dx_boulderdash[] =
4423 {
4424   EL_INTERNAL_CASCADE_DX_ACTIVE,
4425   EL_CHAR('D'),
4426   EL_CHAR('X'),
4427   EL_EMPTY,
4428 };
4429
4430 static int editor_el_dx_boulderdash[] =
4431 {
4432   EL_EMPTY,
4433   EL_TUBE_RIGHT_DOWN,
4434   EL_TUBE_HORIZONTAL_DOWN,
4435   EL_TUBE_LEFT_DOWN,
4436
4437   EL_TUBE_HORIZONTAL,
4438   EL_TUBE_VERTICAL_RIGHT,
4439   EL_TUBE_ANY,
4440   EL_TUBE_VERTICAL_LEFT,
4441
4442   EL_TUBE_VERTICAL,
4443   EL_TUBE_RIGHT_UP,
4444   EL_TUBE_HORIZONTAL_UP,
4445   EL_TUBE_LEFT_UP,
4446
4447   EL_TRAP,
4448   EL_DX_SUPABOMB,
4449   EL_EMPTY,
4450   EL_EMPTY
4451 };
4452 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4453 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4454 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4455 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4456
4457 static int editor_hl_mirror_magic[] =
4458 {
4459   EL_INTERNAL_CASCADE_MM_ACTIVE,
4460   EL_CHAR('M'),
4461   EL_CHAR('M'),
4462   EL_EMPTY,
4463 };
4464
4465 static int editor_el_mirror_magic[] =
4466 {
4467   EL_MM_MCDUFFIN_RIGHT,
4468   EL_MM_MCDUFFIN_UP,
4469   EL_MM_MCDUFFIN_LEFT,
4470   EL_MM_MCDUFFIN_DOWN,
4471
4472   EL_MM_MIRROR_START,
4473   EL_MM_MIRROR_FIXED_START,
4474   EL_MM_POLARIZER_START,
4475   EL_MM_POLARIZER_CROSS_START,
4476
4477   EL_MM_TELEPORTER_RED_START,
4478   EL_MM_TELEPORTER_YELLOW_START,
4479   EL_MM_TELEPORTER_GREEN_START,
4480   EL_MM_TELEPORTER_BLUE_START,
4481
4482   EL_MM_PRISM,
4483   EL_MM_FUSE_ACTIVE,
4484   EL_MM_PACMAN_RIGHT,
4485   EL_MM_EXIT_CLOSED,
4486
4487   EL_MM_KETTLE,
4488   EL_MM_BOMB,
4489   EL_MM_KEY,
4490   EL_MM_FUEL_FULL,
4491
4492   EL_MM_LIGHTBULB,
4493   EL_MM_LIGHTBULB_ACTIVE,
4494   EL_MM_GRAY_BALL,
4495   EL_MM_LIGHTBALL,
4496
4497   EL_MM_STEEL_WALL,
4498   EL_MM_WOODEN_WALL,
4499   EL_MM_ICE_WALL,
4500   EL_MM_AMOEBA_WALL,
4501
4502   EL_MM_STEEL_LOCK,
4503   EL_MM_WOODEN_LOCK,
4504   EL_MM_STEEL_BLOCK,
4505   EL_MM_WOODEN_BLOCK,
4506
4507   EL_MM_STEEL_GRID_FIXED_1,
4508   EL_MM_STEEL_GRID_FIXED_2,
4509   EL_MM_STEEL_GRID_FIXED_3,
4510   EL_MM_STEEL_GRID_FIXED_4,
4511
4512   EL_MM_WOODEN_GRID_FIXED_1,
4513   EL_MM_WOODEN_GRID_FIXED_2,
4514   EL_MM_WOODEN_GRID_FIXED_3,
4515   EL_MM_WOODEN_GRID_FIXED_4
4516 };
4517 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4518 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4519 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4520 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4521
4522 static int editor_hl_deflektor[] =
4523 {
4524   EL_INTERNAL_CASCADE_DF_ACTIVE,
4525   EL_CHAR('D'),
4526   EL_CHAR('F'),
4527   EL_EMPTY,
4528 };
4529
4530 static int editor_el_deflektor[] =
4531 {
4532   EL_DF_LASER_RIGHT,
4533   EL_DF_LASER_UP,
4534   EL_DF_LASER_LEFT,
4535   EL_DF_LASER_DOWN,
4536
4537   EL_DF_RECEIVER_RIGHT,
4538   EL_DF_RECEIVER_UP,
4539   EL_DF_RECEIVER_LEFT,
4540   EL_DF_RECEIVER_DOWN,
4541
4542   EL_DF_MIRROR_START,
4543   EL_DF_MIRROR_ROTATING_START,
4544   EL_DF_CELL,
4545   EL_DF_MINE,
4546
4547   EL_DF_FIBRE_OPTIC_RED_1,
4548   EL_DF_FIBRE_OPTIC_YELLOW_1,
4549   EL_DF_FIBRE_OPTIC_GREEN_1,
4550   EL_DF_FIBRE_OPTIC_BLUE_1,
4551
4552   EL_DF_STEEL_GRID_FIXED_START,
4553   EL_DF_STEEL_GRID_ROTATING_START,
4554   EL_DF_WOODEN_GRID_FIXED_START,
4555   EL_DF_WOODEN_GRID_ROTATING_START,
4556
4557   EL_DF_STEEL_WALL,
4558   EL_DF_WOODEN_WALL,
4559   EL_DF_REFRACTOR,
4560   EL_EMPTY
4561 };
4562 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4563 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4564 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4565 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4566
4567 static int editor_hl_chars[] =
4568 {
4569   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4570   EL_CHAR('T'),
4571   EL_CHAR('X'),
4572   EL_CHAR('T'),
4573 };
4574
4575 static int editor_el_chars[] =
4576 {
4577   EL_CHAR(' '),
4578   EL_CHAR('!'),
4579   EL_CHAR('"'),
4580   EL_CHAR('#'),
4581
4582   EL_CHAR('$'),
4583   EL_CHAR('%'),
4584   EL_CHAR('&'),
4585   EL_CHAR('\''),
4586
4587   EL_CHAR('('),
4588   EL_CHAR(')'),
4589   EL_CHAR('*'),
4590   EL_CHAR('+'),
4591
4592   EL_CHAR(','),
4593   EL_CHAR('-'),
4594   EL_CHAR('.'),
4595   EL_CHAR('/'),
4596
4597   EL_CHAR('0'),
4598   EL_CHAR('1'),
4599   EL_CHAR('2'),
4600   EL_CHAR('3'),
4601
4602   EL_CHAR('4'),
4603   EL_CHAR('5'),
4604   EL_CHAR('6'),
4605   EL_CHAR('7'),
4606
4607   EL_CHAR('8'),
4608   EL_CHAR('9'),
4609   EL_CHAR(':'),
4610   EL_CHAR(';'),
4611
4612   EL_CHAR('<'),
4613   EL_CHAR('='),
4614   EL_CHAR('>'),
4615   EL_CHAR('?'),
4616
4617   EL_CHAR('@'),
4618   EL_CHAR('A'),
4619   EL_CHAR('B'),
4620   EL_CHAR('C'),
4621
4622   EL_CHAR('D'),
4623   EL_CHAR('E'),
4624   EL_CHAR('F'),
4625   EL_CHAR('G'),
4626
4627   EL_CHAR('H'),
4628   EL_CHAR('I'),
4629   EL_CHAR('J'),
4630   EL_CHAR('K'),
4631
4632   EL_CHAR('L'),
4633   EL_CHAR('M'),
4634   EL_CHAR('N'),
4635   EL_CHAR('O'),
4636
4637   EL_CHAR('P'),
4638   EL_CHAR('Q'),
4639   EL_CHAR('R'),
4640   EL_CHAR('S'),
4641
4642   EL_CHAR('T'),
4643   EL_CHAR('U'),
4644   EL_CHAR('V'),
4645   EL_CHAR('W'),
4646
4647   EL_CHAR('X'),
4648   EL_CHAR('Y'),
4649   EL_CHAR('Z'),
4650   EL_CHAR('['),
4651
4652   EL_CHAR('\\'),
4653   EL_CHAR(']'),
4654   EL_CHAR('^'),
4655   EL_CHAR('_'),
4656
4657   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4658   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4659   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4660   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4661
4662   EL_CHAR(CHAR_BYTE_DEGREE),
4663   EL_CHAR(CHAR_BYTE_REGISTERED),
4664   EL_CHAR(FONT_ASCII_CURSOR),
4665   EL_CHAR(FONT_ASCII_BUTTON),
4666
4667   EL_CHAR(FONT_ASCII_UP),
4668   EL_CHAR(FONT_ASCII_DOWN),
4669   EL_CHAR(' '),
4670   EL_CHAR(' ')
4671 };
4672 static int *editor_hl_chars_ptr = editor_hl_chars;
4673 static int *editor_el_chars_ptr = editor_el_chars;
4674 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4675 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4676
4677 static int editor_hl_steel_chars[] =
4678 {
4679   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4680   EL_STEEL_CHAR('T'),
4681   EL_STEEL_CHAR('X'),
4682   EL_STEEL_CHAR('T'),
4683 };
4684
4685 static int editor_el_steel_chars[] =
4686 {
4687   EL_STEEL_CHAR(' '),
4688   EL_STEEL_CHAR('!'),
4689   EL_STEEL_CHAR('"'),
4690   EL_STEEL_CHAR('#'),
4691
4692   EL_STEEL_CHAR('$'),
4693   EL_STEEL_CHAR('%'),
4694   EL_STEEL_CHAR('&'),
4695   EL_STEEL_CHAR('\''),
4696
4697   EL_STEEL_CHAR('('),
4698   EL_STEEL_CHAR(')'),
4699   EL_STEEL_CHAR('*'),
4700   EL_STEEL_CHAR('+'),
4701
4702   EL_STEEL_CHAR(','),
4703   EL_STEEL_CHAR('-'),
4704   EL_STEEL_CHAR('.'),
4705   EL_STEEL_CHAR('/'),
4706
4707   EL_STEEL_CHAR('0'),
4708   EL_STEEL_CHAR('1'),
4709   EL_STEEL_CHAR('2'),
4710   EL_STEEL_CHAR('3'),
4711
4712   EL_STEEL_CHAR('4'),
4713   EL_STEEL_CHAR('5'),
4714   EL_STEEL_CHAR('6'),
4715   EL_STEEL_CHAR('7'),
4716
4717   EL_STEEL_CHAR('8'),
4718   EL_STEEL_CHAR('9'),
4719   EL_STEEL_CHAR(':'),
4720   EL_STEEL_CHAR(';'),
4721
4722   EL_STEEL_CHAR('<'),
4723   EL_STEEL_CHAR('='),
4724   EL_STEEL_CHAR('>'),
4725   EL_STEEL_CHAR('?'),
4726
4727   EL_STEEL_CHAR('@'),
4728   EL_STEEL_CHAR('A'),
4729   EL_STEEL_CHAR('B'),
4730   EL_STEEL_CHAR('C'),
4731
4732   EL_STEEL_CHAR('D'),
4733   EL_STEEL_CHAR('E'),
4734   EL_STEEL_CHAR('F'),
4735   EL_STEEL_CHAR('G'),
4736
4737   EL_STEEL_CHAR('H'),
4738   EL_STEEL_CHAR('I'),
4739   EL_STEEL_CHAR('J'),
4740   EL_STEEL_CHAR('K'),
4741
4742   EL_STEEL_CHAR('L'),
4743   EL_STEEL_CHAR('M'),
4744   EL_STEEL_CHAR('N'),
4745   EL_STEEL_CHAR('O'),
4746
4747   EL_STEEL_CHAR('P'),
4748   EL_STEEL_CHAR('Q'),
4749   EL_STEEL_CHAR('R'),
4750   EL_STEEL_CHAR('S'),
4751
4752   EL_STEEL_CHAR('T'),
4753   EL_STEEL_CHAR('U'),
4754   EL_STEEL_CHAR('V'),
4755   EL_STEEL_CHAR('W'),
4756
4757   EL_STEEL_CHAR('X'),
4758   EL_STEEL_CHAR('Y'),
4759   EL_STEEL_CHAR('Z'),
4760   EL_STEEL_CHAR('['),
4761
4762   EL_STEEL_CHAR('\\'),
4763   EL_STEEL_CHAR(']'),
4764   EL_STEEL_CHAR('^'),
4765   EL_STEEL_CHAR('_'),
4766
4767   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4768   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4769   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4770   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4771
4772   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4773   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4774   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4775   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4776
4777   EL_STEEL_CHAR(FONT_ASCII_UP),
4778   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4779   EL_STEEL_CHAR(' '),
4780   EL_STEEL_CHAR(' ')
4781 };
4782 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4783 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4784 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4785 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4786
4787 static int editor_hl_custom[] =
4788 {
4789   EL_INTERNAL_CASCADE_CE_ACTIVE,
4790   EL_CHAR('C'),
4791   EL_CHAR('E'),
4792   EL_EMPTY,
4793 };
4794
4795 static int editor_el_custom[] =
4796 {
4797   EL_CUSTOM_START + 0,
4798   EL_CUSTOM_START + 1,
4799   EL_CUSTOM_START + 2,
4800   EL_CUSTOM_START + 3,
4801
4802   EL_CUSTOM_START + 4,
4803   EL_CUSTOM_START + 5,
4804   EL_CUSTOM_START + 6,
4805   EL_CUSTOM_START + 7,
4806
4807   EL_CUSTOM_START + 8,
4808   EL_CUSTOM_START + 9,
4809   EL_CUSTOM_START + 10,
4810   EL_CUSTOM_START + 11,
4811
4812   EL_CUSTOM_START + 12,
4813   EL_CUSTOM_START + 13,
4814   EL_CUSTOM_START + 14,
4815   EL_CUSTOM_START + 15,
4816
4817   EL_CUSTOM_START + 16,
4818   EL_CUSTOM_START + 17,
4819   EL_CUSTOM_START + 18,
4820   EL_CUSTOM_START + 19,
4821
4822   EL_CUSTOM_START + 20,
4823   EL_CUSTOM_START + 21,
4824   EL_CUSTOM_START + 22,
4825   EL_CUSTOM_START + 23,
4826
4827   EL_CUSTOM_START + 24,
4828   EL_CUSTOM_START + 25,
4829   EL_CUSTOM_START + 26,
4830   EL_CUSTOM_START + 27,
4831
4832   EL_CUSTOM_START + 28,
4833   EL_CUSTOM_START + 29,
4834   EL_CUSTOM_START + 30,
4835   EL_CUSTOM_START + 31,
4836
4837   EL_CUSTOM_START + 32,
4838   EL_CUSTOM_START + 33,
4839   EL_CUSTOM_START + 34,
4840   EL_CUSTOM_START + 35,
4841
4842   EL_CUSTOM_START + 36,
4843   EL_CUSTOM_START + 37,
4844   EL_CUSTOM_START + 38,
4845   EL_CUSTOM_START + 39,
4846
4847   EL_CUSTOM_START + 40,
4848   EL_CUSTOM_START + 41,
4849   EL_CUSTOM_START + 42,
4850   EL_CUSTOM_START + 43,
4851
4852   EL_CUSTOM_START + 44,
4853   EL_CUSTOM_START + 45,
4854   EL_CUSTOM_START + 46,
4855   EL_CUSTOM_START + 47,
4856
4857   EL_CUSTOM_START + 48,
4858   EL_CUSTOM_START + 49,
4859   EL_CUSTOM_START + 50,
4860   EL_CUSTOM_START + 51,
4861
4862   EL_CUSTOM_START + 52,
4863   EL_CUSTOM_START + 53,
4864   EL_CUSTOM_START + 54,
4865   EL_CUSTOM_START + 55,
4866
4867   EL_CUSTOM_START + 56,
4868   EL_CUSTOM_START + 57,
4869   EL_CUSTOM_START + 58,
4870   EL_CUSTOM_START + 59,
4871
4872   EL_CUSTOM_START + 60,
4873   EL_CUSTOM_START + 61,
4874   EL_CUSTOM_START + 62,
4875   EL_CUSTOM_START + 63,
4876
4877   EL_CUSTOM_START + 64,
4878   EL_CUSTOM_START + 65,
4879   EL_CUSTOM_START + 66,
4880   EL_CUSTOM_START + 67,
4881
4882   EL_CUSTOM_START + 68,
4883   EL_CUSTOM_START + 69,
4884   EL_CUSTOM_START + 70,
4885   EL_CUSTOM_START + 71,
4886
4887   EL_CUSTOM_START + 72,
4888   EL_CUSTOM_START + 73,
4889   EL_CUSTOM_START + 74,
4890   EL_CUSTOM_START + 75,
4891
4892   EL_CUSTOM_START + 76,
4893   EL_CUSTOM_START + 77,
4894   EL_CUSTOM_START + 78,
4895   EL_CUSTOM_START + 79,
4896
4897   EL_CUSTOM_START + 80,
4898   EL_CUSTOM_START + 81,
4899   EL_CUSTOM_START + 82,
4900   EL_CUSTOM_START + 83,
4901
4902   EL_CUSTOM_START + 84,
4903   EL_CUSTOM_START + 85,
4904   EL_CUSTOM_START + 86,
4905   EL_CUSTOM_START + 87,
4906
4907   EL_CUSTOM_START + 88,
4908   EL_CUSTOM_START + 89,
4909   EL_CUSTOM_START + 90,
4910   EL_CUSTOM_START + 91,
4911
4912   EL_CUSTOM_START + 92,
4913   EL_CUSTOM_START + 93,
4914   EL_CUSTOM_START + 94,
4915   EL_CUSTOM_START + 95,
4916
4917   EL_CUSTOM_START + 96,
4918   EL_CUSTOM_START + 97,
4919   EL_CUSTOM_START + 98,
4920   EL_CUSTOM_START + 99,
4921
4922   EL_CUSTOM_START + 100,
4923   EL_CUSTOM_START + 101,
4924   EL_CUSTOM_START + 102,
4925   EL_CUSTOM_START + 103,
4926
4927   EL_CUSTOM_START + 104,
4928   EL_CUSTOM_START + 105,
4929   EL_CUSTOM_START + 106,
4930   EL_CUSTOM_START + 107,
4931
4932   EL_CUSTOM_START + 108,
4933   EL_CUSTOM_START + 109,
4934   EL_CUSTOM_START + 110,
4935   EL_CUSTOM_START + 111,
4936
4937   EL_CUSTOM_START + 112,
4938   EL_CUSTOM_START + 113,
4939   EL_CUSTOM_START + 114,
4940   EL_CUSTOM_START + 115,
4941
4942   EL_CUSTOM_START + 116,
4943   EL_CUSTOM_START + 117,
4944   EL_CUSTOM_START + 118,
4945   EL_CUSTOM_START + 119,
4946
4947   EL_CUSTOM_START + 120,
4948   EL_CUSTOM_START + 121,
4949   EL_CUSTOM_START + 122,
4950   EL_CUSTOM_START + 123,
4951
4952   EL_CUSTOM_START + 124,
4953   EL_CUSTOM_START + 125,
4954   EL_CUSTOM_START + 126,
4955   EL_CUSTOM_START + 127,
4956
4957   EL_CUSTOM_START + 128,
4958   EL_CUSTOM_START + 129,
4959   EL_CUSTOM_START + 130,
4960   EL_CUSTOM_START + 131,
4961
4962   EL_CUSTOM_START + 132,
4963   EL_CUSTOM_START + 133,
4964   EL_CUSTOM_START + 134,
4965   EL_CUSTOM_START + 135,
4966
4967   EL_CUSTOM_START + 136,
4968   EL_CUSTOM_START + 137,
4969   EL_CUSTOM_START + 138,
4970   EL_CUSTOM_START + 139,
4971
4972   EL_CUSTOM_START + 140,
4973   EL_CUSTOM_START + 141,
4974   EL_CUSTOM_START + 142,
4975   EL_CUSTOM_START + 143,
4976
4977   EL_CUSTOM_START + 144,
4978   EL_CUSTOM_START + 145,
4979   EL_CUSTOM_START + 146,
4980   EL_CUSTOM_START + 147,
4981
4982   EL_CUSTOM_START + 148,
4983   EL_CUSTOM_START + 149,
4984   EL_CUSTOM_START + 150,
4985   EL_CUSTOM_START + 151,
4986
4987   EL_CUSTOM_START + 152,
4988   EL_CUSTOM_START + 153,
4989   EL_CUSTOM_START + 154,
4990   EL_CUSTOM_START + 155,
4991
4992   EL_CUSTOM_START + 156,
4993   EL_CUSTOM_START + 157,
4994   EL_CUSTOM_START + 158,
4995   EL_CUSTOM_START + 159,
4996
4997   EL_CUSTOM_START + 160,
4998   EL_CUSTOM_START + 161,
4999   EL_CUSTOM_START + 162,
5000   EL_CUSTOM_START + 163,
5001
5002   EL_CUSTOM_START + 164,
5003   EL_CUSTOM_START + 165,
5004   EL_CUSTOM_START + 166,
5005   EL_CUSTOM_START + 167,
5006
5007   EL_CUSTOM_START + 168,
5008   EL_CUSTOM_START + 169,
5009   EL_CUSTOM_START + 170,
5010   EL_CUSTOM_START + 171,
5011
5012   EL_CUSTOM_START + 172,
5013   EL_CUSTOM_START + 173,
5014   EL_CUSTOM_START + 174,
5015   EL_CUSTOM_START + 175,
5016
5017   EL_CUSTOM_START + 176,
5018   EL_CUSTOM_START + 177,
5019   EL_CUSTOM_START + 178,
5020   EL_CUSTOM_START + 179,
5021
5022   EL_CUSTOM_START + 180,
5023   EL_CUSTOM_START + 181,
5024   EL_CUSTOM_START + 182,
5025   EL_CUSTOM_START + 183,
5026
5027   EL_CUSTOM_START + 184,
5028   EL_CUSTOM_START + 185,
5029   EL_CUSTOM_START + 186,
5030   EL_CUSTOM_START + 187,
5031
5032   EL_CUSTOM_START + 188,
5033   EL_CUSTOM_START + 189,
5034   EL_CUSTOM_START + 190,
5035   EL_CUSTOM_START + 191,
5036
5037   EL_CUSTOM_START + 192,
5038   EL_CUSTOM_START + 193,
5039   EL_CUSTOM_START + 194,
5040   EL_CUSTOM_START + 195,
5041
5042   EL_CUSTOM_START + 196,
5043   EL_CUSTOM_START + 197,
5044   EL_CUSTOM_START + 198,
5045   EL_CUSTOM_START + 199,
5046
5047   EL_CUSTOM_START + 200,
5048   EL_CUSTOM_START + 201,
5049   EL_CUSTOM_START + 202,
5050   EL_CUSTOM_START + 203,
5051
5052   EL_CUSTOM_START + 204,
5053   EL_CUSTOM_START + 205,
5054   EL_CUSTOM_START + 206,
5055   EL_CUSTOM_START + 207,
5056
5057   EL_CUSTOM_START + 208,
5058   EL_CUSTOM_START + 209,
5059   EL_CUSTOM_START + 210,
5060   EL_CUSTOM_START + 211,
5061
5062   EL_CUSTOM_START + 212,
5063   EL_CUSTOM_START + 213,
5064   EL_CUSTOM_START + 214,
5065   EL_CUSTOM_START + 215,
5066
5067   EL_CUSTOM_START + 216,
5068   EL_CUSTOM_START + 217,
5069   EL_CUSTOM_START + 218,
5070   EL_CUSTOM_START + 219,
5071
5072   EL_CUSTOM_START + 220,
5073   EL_CUSTOM_START + 221,
5074   EL_CUSTOM_START + 222,
5075   EL_CUSTOM_START + 223,
5076
5077   EL_CUSTOM_START + 224,
5078   EL_CUSTOM_START + 225,
5079   EL_CUSTOM_START + 226,
5080   EL_CUSTOM_START + 227,
5081
5082   EL_CUSTOM_START + 228,
5083   EL_CUSTOM_START + 229,
5084   EL_CUSTOM_START + 230,
5085   EL_CUSTOM_START + 231,
5086
5087   EL_CUSTOM_START + 232,
5088   EL_CUSTOM_START + 233,
5089   EL_CUSTOM_START + 234,
5090   EL_CUSTOM_START + 235,
5091
5092   EL_CUSTOM_START + 236,
5093   EL_CUSTOM_START + 237,
5094   EL_CUSTOM_START + 238,
5095   EL_CUSTOM_START + 239,
5096
5097   EL_CUSTOM_START + 240,
5098   EL_CUSTOM_START + 241,
5099   EL_CUSTOM_START + 242,
5100   EL_CUSTOM_START + 243,
5101
5102   EL_CUSTOM_START + 244,
5103   EL_CUSTOM_START + 245,
5104   EL_CUSTOM_START + 246,
5105   EL_CUSTOM_START + 247,
5106
5107   EL_CUSTOM_START + 248,
5108   EL_CUSTOM_START + 249,
5109   EL_CUSTOM_START + 250,
5110   EL_CUSTOM_START + 251,
5111
5112   EL_CUSTOM_START + 252,
5113   EL_CUSTOM_START + 253,
5114   EL_CUSTOM_START + 254,
5115   EL_CUSTOM_START + 255
5116 };
5117 static int *editor_hl_custom_ptr = editor_hl_custom;
5118 static int *editor_el_custom_ptr = editor_el_custom;
5119 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5120 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5121
5122 static int editor_hl_group[] =
5123 {
5124   EL_INTERNAL_CASCADE_GE_ACTIVE,
5125   EL_CHAR('G'),
5126   EL_CHAR('E'),
5127   EL_EMPTY,
5128 };
5129
5130 static int editor_el_group[] =
5131 {
5132   EL_GROUP_START + 0,
5133   EL_GROUP_START + 1,
5134   EL_GROUP_START + 2,
5135   EL_GROUP_START + 3,
5136
5137   EL_GROUP_START + 4,
5138   EL_GROUP_START + 5,
5139   EL_GROUP_START + 6,
5140   EL_GROUP_START + 7,
5141
5142   EL_GROUP_START + 8,
5143   EL_GROUP_START + 9,
5144   EL_GROUP_START + 10,
5145   EL_GROUP_START + 11,
5146
5147   EL_GROUP_START + 12,
5148   EL_GROUP_START + 13,
5149   EL_GROUP_START + 14,
5150   EL_GROUP_START + 15,
5151
5152   EL_GROUP_START + 16,
5153   EL_GROUP_START + 17,
5154   EL_GROUP_START + 18,
5155   EL_GROUP_START + 19,
5156
5157   EL_GROUP_START + 20,
5158   EL_GROUP_START + 21,
5159   EL_GROUP_START + 22,
5160   EL_GROUP_START + 23,
5161
5162   EL_GROUP_START + 24,
5163   EL_GROUP_START + 25,
5164   EL_GROUP_START + 26,
5165   EL_GROUP_START + 27,
5166
5167   EL_GROUP_START + 28,
5168   EL_GROUP_START + 29,
5169   EL_GROUP_START + 30,
5170   EL_GROUP_START + 31
5171 };
5172 static int *editor_hl_group_ptr = editor_hl_group;
5173 static int *editor_el_group_ptr = editor_el_group;
5174 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5175 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5176
5177 static int editor_hl_reference[] =
5178 {
5179   EL_INTERNAL_CASCADE_REF_ACTIVE,
5180   EL_CHAR('R'),
5181   EL_CHAR('E'),
5182   EL_CHAR('F')
5183 };
5184
5185 static int editor_el_reference[] =
5186 {
5187   EL_TRIGGER_PLAYER,
5188   EL_TRIGGER_ELEMENT,
5189   EL_TRIGGER_CE_VALUE,
5190   EL_TRIGGER_CE_SCORE,
5191
5192   EL_SELF,
5193   EL_ANY_ELEMENT,
5194   EL_CURRENT_CE_VALUE,
5195   EL_CURRENT_CE_SCORE,
5196
5197   EL_PREV_CE_8,
5198   EL_PREV_CE_7,
5199   EL_PREV_CE_6,
5200   EL_PREV_CE_5,
5201
5202   EL_PREV_CE_4,
5203   EL_PREV_CE_3,
5204   EL_PREV_CE_2,
5205   EL_PREV_CE_1,
5206
5207   EL_NEXT_CE_1,
5208   EL_NEXT_CE_2,
5209   EL_NEXT_CE_3,
5210   EL_NEXT_CE_4,
5211
5212   EL_NEXT_CE_5,
5213   EL_NEXT_CE_6,
5214   EL_NEXT_CE_7,
5215   EL_NEXT_CE_8,
5216 };
5217 static int *editor_hl_reference_ptr = editor_hl_reference;
5218 static int *editor_el_reference_ptr = editor_el_reference;
5219 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5220 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5221
5222 static int editor_hl_user_defined[] =
5223 {
5224   EL_INTERNAL_CASCADE_USER_ACTIVE,
5225   EL_CHAR('M'),
5226   EL_CHAR('Y'),
5227   EL_EMPTY,
5228 };
5229
5230 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5231 static int *editor_el_user_defined_ptr = NULL;
5232 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5233 static int num_editor_el_user_defined = 0;
5234
5235 static int editor_hl_dynamic[] =
5236 {
5237   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5238   EL_CHAR('U'),
5239   EL_CHAR('S'),
5240   EL_CHAR('E'),
5241 };
5242
5243 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5244 static int *editor_el_dynamic_ptr = NULL;
5245 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5246 static int num_editor_el_dynamic = 0;
5247
5248 static int editor_hl_empty[] = { EL_EMPTY };
5249 static int *editor_el_empty = NULL;     // dynamically allocated
5250
5251 static int *editor_hl_empty_ptr = editor_hl_empty;
5252 static int *editor_el_empty_ptr = NULL;
5253 static int num_editor_hl_empty = 0;
5254 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5255
5256 static boolean use_el_empty = FALSE;
5257
5258 static int *editor_elements = NULL;     // dynamically allocated
5259 static int num_editor_elements = 0;     // dynamically determined
5260
5261 static boolean setup_editor_cascade_never = FALSE;
5262
5263 static boolean setup_editor_el_players                  = TRUE;
5264 static boolean setup_editor_el_boulderdash              = TRUE;
5265 static boolean setup_editor_el_emerald_mine             = TRUE;
5266 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5267 static boolean setup_editor_el_more                     = TRUE;
5268 static boolean setup_editor_el_sokoban                  = TRUE;
5269 static boolean setup_editor_el_supaplex                 = TRUE;
5270 static boolean setup_editor_el_diamond_caves            = TRUE;
5271 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5272 static boolean setup_editor_el_mirror_magic             = TRUE;
5273 static boolean setup_editor_el_deflektor                = TRUE;
5274 static boolean setup_editor_el_chars                    = TRUE;
5275 static boolean setup_editor_el_steel_chars              = TRUE;
5276 static boolean setup_editor_el_custom                   = TRUE;
5277 static boolean setup_editor_el_user_defined             = TRUE;
5278 static boolean setup_editor_el_dynamic                  = TRUE;
5279
5280 static int editor_hl_unused[] = { EL_EMPTY };
5281 static int *editor_hl_unused_ptr = editor_hl_unused;
5282 static int num_editor_hl_unused = 0;
5283
5284 static struct
5285 {
5286   boolean *setup_value;
5287   boolean *setup_cascade_value;
5288
5289   int **headline_list;
5290   int *headline_list_size;
5291
5292   int **element_list;
5293   int *element_list_size;
5294
5295   boolean last_setup_value;
5296 }
5297 editor_elements_info[] =
5298 {
5299   {
5300     &setup_editor_el_players,
5301     &setup_editor_cascade_never,
5302     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5303     &editor_el_players_ptr,             &num_editor_el_players
5304   },
5305   {
5306     &setup_editor_el_boulderdash,
5307     &setup.editor_cascade.el_bd,
5308     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5309     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5310   },
5311   {
5312     &setup_editor_el_emerald_mine,
5313     &setup.editor_cascade.el_em,
5314     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5315     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5316   },
5317   {
5318     &setup_editor_el_emerald_mine_club,
5319     &setup.editor_cascade.el_emc,
5320     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5321     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5322   },
5323   {
5324     &setup_editor_el_more,
5325     &setup.editor_cascade.el_rnd,
5326     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5327     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5328   },
5329   {
5330     &setup_editor_el_sokoban,
5331     &setup.editor_cascade.el_sb,
5332     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5333     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5334   },
5335   {
5336     &setup_editor_el_supaplex,
5337     &setup.editor_cascade.el_sp,
5338     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5339     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5340   },
5341   {
5342     &setup_editor_el_diamond_caves,
5343     &setup.editor_cascade.el_dc,
5344     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5345     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5346   },
5347   {
5348     &setup_editor_el_dx_boulderdash,
5349     &setup.editor_cascade.el_dx,
5350     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5351     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5352   },
5353   {
5354     &setup_editor_el_mirror_magic,
5355     &setup.editor_cascade.el_mm,
5356     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5357     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5358   },
5359   {
5360     &setup_editor_el_deflektor,
5361     &setup.editor_cascade.el_df,
5362     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5363     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5364   },
5365   {
5366     &setup_editor_el_chars,
5367     &setup.editor_cascade.el_chars,
5368     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5369     &editor_el_chars_ptr,               &num_editor_el_chars
5370   },
5371   {
5372     &setup_editor_el_steel_chars,
5373     &setup.editor_cascade.el_steel_chars,
5374     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5375     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5376   },
5377   {
5378     &setup_editor_el_custom,
5379     &setup.editor_cascade.el_ce,
5380     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5381     &editor_el_custom_ptr,              &num_editor_el_custom
5382   },
5383   {
5384     &setup_editor_el_custom,
5385     &setup.editor_cascade.el_ge,
5386     &editor_hl_group_ptr,               &num_editor_hl_group,
5387     &editor_el_group_ptr,               &num_editor_el_group
5388   },
5389   {
5390     &setup_editor_el_custom,
5391     &setup.editor_cascade.el_ref,
5392     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5393     &editor_el_reference_ptr,           &num_editor_el_reference
5394   },
5395   {
5396     &setup_editor_el_user_defined,
5397     &setup.editor_cascade.el_user,
5398     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5399     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5400   },
5401   {
5402     &setup_editor_el_dynamic,
5403     &setup.editor_cascade.el_dynamic,
5404     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5405     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5406   },
5407   {
5408     &use_el_empty,
5409     &use_el_empty,
5410     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5411     &editor_el_empty_ptr,               &num_editor_el_empty,
5412   },
5413   {
5414     NULL,
5415     NULL,
5416     NULL,                               NULL,
5417     NULL,                               NULL
5418   }
5419 };
5420
5421
5422 /*
5423   -----------------------------------------------------------------------------
5424   functions
5425   -----------------------------------------------------------------------------
5426 */
5427
5428 static int getMaxInfoTextLength(void)
5429 {
5430   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5431 }
5432
5433 static int getTextWidthForGadget(char *text)
5434 {
5435   if (text == NULL)
5436     return 0;
5437
5438   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5439 }
5440
5441 static int getTextWidthForDrawingArea(char *text)
5442 {
5443   if (text == NULL)
5444     return 0;
5445
5446   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5447 }
5448
5449 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5450 {
5451   return (gi->x + gi->width + getTextWidthForGadget(text));
5452 }
5453
5454 static char *getElementInfoText(int element)
5455 {
5456   char *info_text = NULL;
5457
5458   if (element < MAX_NUM_ELEMENTS)
5459   {
5460     if (strlen(element_info[element].description) > 0)
5461       info_text = element_info[element].description;
5462     else if (element_info[element].custom_description != NULL)
5463       info_text = element_info[element].custom_description;
5464     else if (element_info[element].editor_description != NULL)
5465       info_text = element_info[element].editor_description;
5466   }
5467
5468   if (info_text == NULL)
5469     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5470
5471   return info_text;
5472 }
5473
5474 static char *getElementDescriptionFilenameExt(char *basename)
5475 {
5476   char *elements_subdir = "elements";
5477   static char *elements_subdir2 = NULL;
5478   static char *filename = NULL;
5479
5480   if (elements_subdir2 == NULL)
5481     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5482
5483   checked_free(filename);
5484
5485   // 1st try: look for element description in current level set directory
5486   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5487   if (fileExists(filename))
5488     return filename;
5489
5490   free(filename);
5491
5492   // 2nd try: look for element description in the game's base directory
5493   filename = getPath3(options.docs_directory, elements_subdir, basename);
5494   if (fileExists(filename))
5495     return filename;
5496
5497   return NULL;
5498 }
5499
5500 static char *getElementDescriptionFilename(int element)
5501 {
5502   char basename[MAX_FILENAME_LEN];
5503   char *filename;
5504
5505   // 1st try: look for element description file for exactly this element
5506   sprintf(basename, "%s.txt", element_info[element].token_name);
5507   filename = getElementDescriptionFilenameExt(basename);
5508   if (filename != NULL)
5509     return filename;
5510
5511   // 2nd try: look for element description file for this element's class
5512   sprintf(basename, "%s.txt", element_info[element].class_name);
5513   filename = getElementDescriptionFilenameExt(basename);
5514   if (filename != NULL)
5515     return filename;
5516
5517   return NULL;
5518 }
5519
5520 static boolean suppressBorderElement(void)
5521 {
5522   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5523           lev_fieldx <= MAX_ED_FIELDX &&
5524           lev_fieldy <= MAX_ED_FIELDY);
5525 }
5526
5527 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5528 {
5529   boolean element_found[NUM_FILE_ELEMENTS];
5530   int i, x, y;
5531
5532   // initialize list of used elements to "not used"
5533   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5534     element_found[i] = FALSE;
5535
5536   // find all elements used in current level
5537   for (y = 0; y < lev_fieldy; y++)
5538     for (x = 0; x < lev_fieldx; x++)
5539       if (Feld[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5540         element_found[Feld[x][y]] = TRUE;
5541
5542   *num_elements = 0;
5543
5544   // count number of elements used in current level
5545   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5546     if (element_found[i])
5547       (*num_elements)++;
5548
5549   // add space for up to 3 more elements for padding that may be needed
5550   *num_elements += 3;
5551
5552   // free memory for old list of elements, if needed
5553   checked_free(*elements);
5554
5555   // allocate memory for new list of elements
5556   *elements = checked_malloc(*num_elements * sizeof(int));
5557
5558   *num_elements = 0;
5559
5560   // add all elements used in current level (non-custom/group elements)
5561   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5562     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5563       (*elements)[(*num_elements)++] = i;
5564
5565   // add all elements used in current level (custom/group elements)
5566   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5567     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5568       (*elements)[(*num_elements)++] = i;
5569
5570   while (*num_elements % 4)     // pad with empty elements, if needed
5571     (*elements)[(*num_elements)++] = EL_EMPTY;
5572 }
5573
5574 static void ReinitializeElementList_EnableSections(void)
5575 {
5576   // default: enable all element sections
5577
5578   setup_editor_el_players               = TRUE;
5579   setup_editor_el_boulderdash           = TRUE;
5580   setup_editor_el_emerald_mine          = TRUE;
5581   setup_editor_el_emerald_mine_club     = TRUE;
5582   setup_editor_el_more                  = TRUE;
5583   setup_editor_el_sokoban               = TRUE;
5584   setup_editor_el_supaplex              = TRUE;
5585   setup_editor_el_diamond_caves         = TRUE;
5586   setup_editor_el_dx_boulderdash        = TRUE;
5587   setup_editor_el_mirror_magic          = TRUE;
5588   setup_editor_el_deflektor             = TRUE;
5589   setup_editor_el_chars                 = TRUE;
5590   setup_editor_el_steel_chars           = TRUE;
5591
5592   setup_editor_el_custom                = TRUE;
5593   setup_editor_el_user_defined          = TRUE;
5594   setup_editor_el_dynamic               = TRUE;
5595
5596   // now disable all element sections not to be displayed
5597
5598   if (!setup.editor.el_classic)
5599   {
5600     setup_editor_el_players             = FALSE;
5601     setup_editor_el_boulderdash         = FALSE;
5602     setup_editor_el_emerald_mine        = FALSE;
5603     setup_editor_el_emerald_mine_club   = FALSE;
5604     setup_editor_el_more                = FALSE;
5605     setup_editor_el_sokoban             = FALSE;
5606     setup_editor_el_supaplex            = FALSE;
5607     setup_editor_el_diamond_caves       = FALSE;
5608     setup_editor_el_dx_boulderdash      = FALSE;
5609     setup_editor_el_mirror_magic        = FALSE;
5610     setup_editor_el_deflektor           = FALSE;
5611     setup_editor_el_chars               = FALSE;
5612     setup_editor_el_steel_chars         = FALSE;
5613   }
5614
5615   if (!setup.editor.el_custom)
5616   {
5617     setup_editor_el_custom              = FALSE;
5618   }
5619
5620   if (!setup.editor.el_user_defined)
5621   {
5622     setup_editor_el_user_defined        = FALSE;
5623   }
5624
5625   if (!setup.editor.el_dynamic)
5626   {
5627     setup_editor_el_dynamic             = FALSE;
5628   }
5629
5630   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5631   {
5632     setup_editor_el_mirror_magic        = FALSE;
5633     setup_editor_el_deflektor           = FALSE;
5634   }
5635   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5636   {
5637     setup_editor_el_boulderdash         = FALSE;
5638     setup_editor_el_more                = FALSE;
5639     setup_editor_el_sokoban             = FALSE;
5640     setup_editor_el_supaplex            = FALSE;
5641     setup_editor_el_diamond_caves       = FALSE;
5642     setup_editor_el_dx_boulderdash      = FALSE;
5643     setup_editor_el_mirror_magic        = FALSE;
5644     setup_editor_el_deflektor           = FALSE;
5645     setup_editor_el_steel_chars         = FALSE;
5646
5647     setup_editor_el_custom              = FALSE;
5648   }
5649   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5650   {
5651     setup_editor_el_players             = FALSE;
5652     setup_editor_el_boulderdash         = FALSE;
5653     setup_editor_el_emerald_mine        = FALSE;
5654     setup_editor_el_emerald_mine_club   = FALSE;
5655     setup_editor_el_more                = FALSE;
5656     setup_editor_el_sokoban             = FALSE;
5657     setup_editor_el_diamond_caves       = FALSE;
5658     setup_editor_el_dx_boulderdash      = FALSE;
5659     setup_editor_el_mirror_magic        = FALSE;
5660     setup_editor_el_deflektor           = FALSE;
5661     setup_editor_el_chars               = FALSE;
5662     setup_editor_el_steel_chars         = FALSE;
5663
5664     setup_editor_el_custom              = FALSE;
5665   }
5666   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5667   {
5668     setup_editor_el_players             = FALSE;
5669     setup_editor_el_boulderdash         = FALSE;
5670     setup_editor_el_emerald_mine        = FALSE;
5671     setup_editor_el_emerald_mine_club   = FALSE;
5672     setup_editor_el_more                = FALSE;
5673     setup_editor_el_sokoban             = FALSE;
5674     setup_editor_el_supaplex            = FALSE;
5675     setup_editor_el_diamond_caves       = FALSE;
5676     setup_editor_el_dx_boulderdash      = FALSE;
5677     setup_editor_el_steel_chars         = FALSE;
5678
5679     setup_editor_el_custom              = FALSE;
5680   }
5681 }
5682
5683 static void ReinitializeElementList(void)
5684 {
5685   static boolean initialization_needed = TRUE;
5686   int pos = 0;
5687   int i, j;
5688
5689   ReinitializeElementList_EnableSections();
5690
5691   if (initialization_needed)
5692   {
5693     LoadSetup_EditorCascade();          // load last editor cascade state
5694
5695     // initialize editor cascade element from saved cascade state
5696     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5697     {
5698       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5699       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5700
5701       if (IS_EDITOR_CASCADE(*cascade_element))
5702         *cascade_element =
5703           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5704            EL_CASCADE_INACTIVE(*cascade_element));
5705     }
5706
5707     initialization_needed = FALSE;
5708   }
5709
5710   checked_free(editor_elements);
5711
5712   // reload optional user defined element list for each invocation of editor
5713   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5714                                    &num_editor_el_user_defined);
5715
5716   // initialize dynamic level element list for each invocation of editor
5717   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5718                                &num_editor_el_dynamic);
5719
5720   // initialize list of empty elements (used for padding, if needed)
5721   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5722     editor_el_empty[i] = EL_EMPTY;
5723
5724   // do some sanity checks for each element from element list
5725   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5726   {
5727     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5728     {
5729       int element = (*editor_elements_info[i].element_list)[j];
5730
5731       if (element >= NUM_FILE_ELEMENTS)
5732         Error(ERR_WARN, "editor element %d is runtime element", element);
5733
5734       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5735         Error(ERR_WARN, "no element description text for element %d", element);
5736     }
5737   }
5738
5739   num_editor_elements = 0;
5740   use_el_empty = FALSE;
5741
5742   // determine size of element list
5743   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5744   {
5745     boolean found_inactive_cascade = FALSE;
5746
5747     if (*editor_elements_info[i].setup_value)
5748     {
5749       if (setup.editor.el_headlines)
5750       {
5751         // required for correct padding of palette headline buttons
5752         if (*editor_elements_info[i].headline_list_size > 0)
5753           num_editor_elements += editor.palette.cols;
5754
5755         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5756         {
5757           int element = (*editor_elements_info[i].headline_list)[j];
5758
5759           if (IS_EDITOR_CASCADE_INACTIVE(element))
5760             found_inactive_cascade = TRUE;
5761         }
5762       }
5763
5764       if (found_inactive_cascade)
5765         continue;
5766
5767       // required for correct padding of palette element buttons
5768       int element_list_size = *editor_elements_info[i].element_list_size;
5769       int element_rows =
5770         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5771       int element_buttons = editor.palette.cols * element_rows;
5772
5773       num_editor_elements += element_buttons;
5774     }
5775   }
5776
5777   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5778   {
5779     // offer at least as many elements as element buttons exist
5780     use_el_empty = TRUE;
5781     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5782
5783     num_editor_elements += num_editor_el_empty;
5784   }
5785   else
5786   {
5787     num_editor_el_empty = 0;
5788   }
5789
5790   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5791
5792   // fill element list
5793   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5794   {
5795     boolean found_inactive_cascade = FALSE;
5796
5797     if (*editor_elements_info[i].setup_value)
5798     {
5799       if (setup.editor.el_headlines)
5800       {
5801         // required for correct padding of palette headline buttons
5802         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5803                              editor.palette.cols : 0);
5804
5805         for (j = 0; j < headline_size; j++)
5806         {
5807           // use empty elements for padding of palette headline buttons
5808           int element = (j < *editor_elements_info[i].headline_list_size ?
5809                          (*editor_elements_info[i].headline_list)[j] :
5810                          editor_el_empty[0]);
5811
5812           editor_elements[pos++] = element;
5813
5814           if (IS_EDITOR_CASCADE_INACTIVE(element))
5815             found_inactive_cascade = TRUE;
5816         }
5817       }
5818
5819       if (found_inactive_cascade)
5820         continue;
5821
5822       // required for correct padding of palette element buttons
5823       int element_list_size = *editor_elements_info[i].element_list_size;
5824       int element_rows =
5825         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5826       int element_buttons = editor.palette.cols * element_rows;
5827
5828       // copy all elements from element list
5829       for (j = 0; j < element_list_size; j++)
5830         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5831
5832       // use empty elements for padding of palette element buttons
5833       for (j = 0; j < element_buttons - element_list_size; j++)
5834         editor_elements[pos++] = editor_el_empty[0];
5835     }
5836   }
5837
5838   // (this function is also called before editor gadgets are initialized!)
5839   AdjustElementListScrollbar();
5840 }
5841
5842 void PrintEditorElementList(void)
5843 {
5844   boolean *stop = &setup_editor_el_user_defined;
5845   int i, j;
5846
5847   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5848   {
5849     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5850
5851     if (IS_EDITOR_CASCADE(cascade_element))
5852     {
5853       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5854       char *headline = element_info[cascade_element_show].editor_description;
5855
5856       PrintLineWithPrefix("# ", "-", 77);
5857       Print("# %s\n", headline);
5858       PrintLineWithPrefix("# ", "-", 77);
5859     }
5860
5861     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5862     {
5863       int element = (*editor_elements_info[i].headline_list)[j];
5864
5865       if (IS_EDITOR_CASCADE(element))
5866         element = EL_CHAR_MINUS;
5867
5868       Print("# %s\n", element_info[element].token_name);
5869     }
5870
5871     if (j > 0)
5872       Print("#\n");
5873
5874     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5875     {
5876       int element = (*editor_elements_info[i].element_list)[j];
5877
5878       Print("# %s\n", element_info[element].token_name);
5879     }
5880
5881     if (j > 0)
5882       Print("#\n");
5883   }
5884 }
5885
5886 static void ReinitializeElementListButtons(void)
5887 {
5888   static boolean last_setup_value_headlines = FALSE;
5889   static boolean initialization_needed = TRUE;
5890   int i;
5891
5892   if (!initialization_needed)   // check if editor element setup has changed
5893   {
5894     if (last_setup_value_headlines != setup.editor.el_headlines)
5895       initialization_needed = TRUE;
5896
5897     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5898       if (editor_elements_info[i].last_setup_value !=
5899           *editor_elements_info[i].setup_value)
5900         initialization_needed = TRUE;
5901   }
5902
5903   if (!initialization_needed)
5904     return;
5905
5906   FreeLevelEditorGadgets();
5907   CreateLevelEditorGadgets();
5908
5909   // store current setup values for next invocation of this function
5910   last_setup_value_headlines = setup.editor.el_headlines;
5911   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5912     editor_elements_info[i].last_setup_value =
5913       *editor_elements_info[i].setup_value;
5914
5915   initialization_needed = FALSE;
5916 }
5917
5918 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5919                               boolean input)
5920 {
5921   int border_graphic =
5922     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5923   struct GraphicInfo *g = &graphic_info[border_graphic];
5924   Bitmap *src_bitmap = g->bitmap;
5925   int src_x = g->src_x;
5926   int src_y = g->src_y;
5927   int border_size = g->border_size;
5928   int border_xpos = g->width  - border_size;
5929   int border_ypos = g->height - border_size;
5930   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5931   int i;
5932
5933   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5934              border_size, border_size,
5935              dest_x - border_size, dest_y - border_size);
5936   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5937              border_size, border_size,
5938              dest_x + width, dest_y - border_size);
5939   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5940              border_size, border_size,
5941              dest_x - border_size, dest_y + height);
5942   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5943              border_size, border_size,
5944              dest_x + width, dest_y + height);
5945
5946   for (i = 0; i < width / tilesize; i++)
5947   {
5948     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5949                tilesize, border_size,
5950                dest_x + i * tilesize, dest_y - border_size);
5951     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5952                tilesize, border_size,
5953                dest_x + i * tilesize, dest_y + height);
5954   }
5955
5956   for (i = 0; i < height / tilesize; i++)
5957   {
5958     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5959                border_size, tilesize,
5960                dest_x - border_size, dest_y + i * tilesize);
5961     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5962                border_size, tilesize,
5963                dest_x + width, dest_y + i * tilesize);
5964   }
5965
5966   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5967 }
5968
5969 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5970 {
5971   int xsize_tile = MAX(ed_tilesize, xsize);
5972   int ysize_tile = MAX(ed_tilesize, ysize);
5973   int xsize_full = xsize + 1;
5974   int ysize_full = ysize + 1;
5975   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5976   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5977   Pixel line_color = getTabulatorBarColor();
5978
5979   if (line_color == BLACK_PIXEL)                // black => transparent
5980     return;
5981
5982   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5983   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5984   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5985 }
5986
5987 static void DrawEditorLevelBorderLinesIfNeeded(void)
5988 {
5989   int xsize = lev_fieldx * ed_tilesize;
5990   int ysize = lev_fieldy * ed_tilesize;
5991   int line_size = getTabulatorBarHeight();
5992
5993   if (!suppressBorderElement())
5994     return;
5995
5996   // draw little border line around editable level playfield
5997
5998   if (xsize < SXSIZE)
5999     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6000
6001   if (ysize < SYSIZE)
6002     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6003
6004   if (xsize < SXSIZE && ysize < SYSIZE)
6005     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6006 }
6007
6008 static void DrawEditorElement(int x, int y, int element)
6009 {
6010   DrawSizedElement(x, y, element, ed_tilesize);
6011 }
6012
6013 static void DrawEditorElementThruMask(int x, int y, int element)
6014 {
6015   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6016 }
6017
6018 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6019 {
6020   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6021 }
6022
6023 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6024 {
6025   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6026   DrawEditorLevelBorderLinesIfNeeded();
6027 }
6028
6029 static void DrawDrawingArea(int id)
6030 {
6031   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6032   int x, y;
6033
6034   int *value = drawingarea_info[id].value;
6035   int area_xsize = drawingarea_info[id].area_xsize;
6036   int area_ysize = drawingarea_info[id].area_ysize;
6037   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6038
6039   for (x = 0; x < area_xsize; x++)
6040     for (y = 0; y < area_ysize; y++)
6041       DrawSizedGraphicExt(drawto,
6042                           gi->x + x * tilesize,
6043                           gi->y + y * tilesize,
6044                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6045 }
6046
6047 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6048 {
6049   int x, y;
6050   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6051   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6052
6053   BlitBitmap(drawto, drawto,
6054              SX + (dx == -1 ? ed_tilesize : 0),
6055              SY + (dy == -1 ? ed_tilesize : 0),
6056              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6057              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6058              SX + (dx == +1 ? ed_tilesize : 0),
6059              SY + (dy == +1 ? ed_tilesize : 0));
6060
6061   if (dx)
6062   {
6063     x = (dx == 1 ? 0 : ed_fieldx - 1);
6064     for (y = 0; y < ed_fieldy; y++)
6065       DrawEditorElementOrWall(x, y, from_x, from_y);
6066   }
6067   else if (dy)
6068   {
6069     y = (dy == 1 ? 0 : ed_fieldy - 1);
6070     for (x = 0; x < ed_fieldx; x++)
6071       DrawEditorElementOrWall(x, y, from_x, from_y);
6072   }
6073
6074   redraw_mask |= REDRAW_FIELD;
6075   BackToFront();
6076 }
6077
6078 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6079                                    int *x, int *y)
6080 {
6081   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6082 }
6083
6084 static void CreateControlButtons(void)
6085 {
6086   struct GadgetInfo *gi;
6087   int i;
6088
6089   // create toolbox buttons
6090   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6091   {
6092     int id = controlbutton_info[i].gadget_id;
6093     int type = controlbutton_info[i].gadget_type;
6094     int graphic = controlbutton_info[i].graphic;
6095     struct XYTileSize *pos = controlbutton_info[i].pos;
6096     struct GraphicInfo *gd = &graphic_info[graphic];
6097     Bitmap *deco_bitmap = NULL;
6098     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6099     int tile_size = 0, deco_shift = 0;
6100     boolean deco_masked = FALSE;
6101     int gd_x1 = gd->src_x;
6102     int gd_y1 = gd->src_y;
6103     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6104     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6105     int gd_x1a = gd->src_x + gd->active_xoffset;
6106     int gd_y1a = gd->src_y + gd->active_yoffset;
6107     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6108     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6109     int x = pos->x;
6110     int y = pos->y;
6111     unsigned int event_mask;
6112     int radio_button_nr = RADIO_NR_NONE;
6113     boolean checked = FALSE;
6114
6115     if (type == GD_TYPE_RADIO_BUTTON)
6116     {
6117       event_mask = GD_EVENT_PRESSED;
6118       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6119
6120       if (id == drawing_function)
6121         checked = TRUE;
6122     }
6123     else
6124     {
6125       if (id == GADGET_ID_WRAP_LEFT ||
6126           id == GADGET_ID_WRAP_RIGHT ||
6127           id == GADGET_ID_WRAP_UP ||
6128           id == GADGET_ID_WRAP_DOWN)
6129         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6130       else
6131         event_mask = GD_EVENT_RELEASED;
6132     }
6133
6134     if (id == GADGET_ID_PROPERTIES ||
6135         id == GADGET_ID_PALETTE)
6136     {
6137       x += DX;
6138       y += DY;
6139     }
6140     else if (id == GADGET_ID_ELEMENT_LEFT ||
6141              id == GADGET_ID_ELEMENT_MIDDLE ||
6142              id == GADGET_ID_ELEMENT_RIGHT)
6143     {
6144       x += DX;
6145       y += DY;
6146
6147       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6148                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6149                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6150
6151       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6152                                    editor.button.element_left.tile_size :
6153                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6154                                    editor.button.element_middle.tile_size :
6155                                    id == GADGET_ID_ELEMENT_RIGHT ?
6156                                    editor.button.element_right.tile_size : 0);
6157
6158       // make sure that decoration does not overlap gadget border
6159       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6160
6161       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6162
6163       deco_xpos = (gd->width  - tile_size) / 2;
6164       deco_ypos = (gd->height - tile_size) / 2;
6165       deco_shift = 1;
6166       deco_masked = gd->draw_masked;
6167     }
6168     else
6169     {
6170       x += EX;
6171       y += EY;
6172     }
6173
6174     gi = CreateGadget(GDI_CUSTOM_ID, id,
6175                       GDI_CUSTOM_TYPE_ID, i,
6176                       GDI_IMAGE_ID, graphic,
6177                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6178                       GDI_X, x,
6179                       GDI_Y, y,
6180                       GDI_WIDTH, gd->width,
6181                       GDI_HEIGHT, gd->height,
6182                       GDI_TYPE, type,
6183                       GDI_STATE, GD_BUTTON_UNPRESSED,
6184                       GDI_RADIO_NR, radio_button_nr,
6185                       GDI_CHECKED, checked,
6186                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6187                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6188                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6189                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6190                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6191                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6192                       GDI_DECORATION_SIZE, tile_size, tile_size,
6193                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6194                       GDI_DECORATION_MASKED, deco_masked,
6195                       GDI_EVENT_MASK, event_mask,
6196                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6197                       GDI_CALLBACK_ACTION, HandleControlButtons,
6198                       GDI_END);
6199
6200     if (gi == NULL)
6201       Error(ERR_EXIT, "cannot create gadget");
6202
6203     level_editor_gadget[id] = gi;
6204   }
6205
6206   // these values are not constant, but can change at runtime
6207   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6208   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6209   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6210   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6211   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6212   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6213   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6214   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6215   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6216   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6217   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6218   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6219
6220   // create buttons for scrolling of drawing area and element list
6221   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6222   {
6223     int id = scrollbutton_info[i].gadget_id;
6224     int graphic = scrollbutton_info[i].graphic;
6225     struct GraphicInfo *gd = &graphic_info[graphic];
6226     Bitmap *gd_bitmap = gd->bitmap;
6227     int gd_x1 = gd->src_x;
6228     int gd_y1 = gd->src_y;
6229     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6230     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6231     int width  = gd->width;
6232     int height = gd->height;
6233     int x = scrollbutton_pos[i].x;
6234     int y = scrollbutton_pos[i].y;
6235     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6236
6237     if (id == GADGET_ID_SCROLL_LIST_UP ||
6238         id == GADGET_ID_SCROLL_LIST_DOWN)
6239     {
6240       x += PX;
6241       y += PY;
6242     }
6243     else
6244     {
6245       x += SX;
6246       y += SY;
6247     }
6248
6249     gi = CreateGadget(GDI_CUSTOM_ID, id,
6250                       GDI_CUSTOM_TYPE_ID, i,
6251                       GDI_IMAGE_ID, graphic,
6252                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6253                       GDI_X, x,
6254                       GDI_Y, y,
6255                       GDI_WIDTH, width,
6256                       GDI_HEIGHT, height,
6257                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6258                       GDI_STATE, GD_BUTTON_UNPRESSED,
6259                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6260                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6261                       GDI_EVENT_MASK, event_mask,
6262                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6263                       GDI_CALLBACK_ACTION, HandleControlButtons,
6264                       GDI_END);
6265
6266     if (gi == NULL)
6267       Error(ERR_EXIT, "cannot create gadget");
6268
6269     level_editor_gadget[id] = gi;
6270   }
6271
6272   // create buttons for element list
6273   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6274   {
6275     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6276     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6277     struct GraphicInfo *gd = &graphic_info[graphic];
6278     Bitmap *gd_bitmap = gd->bitmap;
6279     Bitmap *deco_bitmap;
6280     int deco_x, deco_y, deco_xpos, deco_ypos;
6281     int gd_x1 = gd->src_x;
6282     int gd_y1 = gd->src_y;
6283     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6284     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6285     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6286     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6287     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6288     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6289     int element = editor_elements[i];
6290     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6291     unsigned int event_mask = GD_EVENT_RELEASED;
6292
6293     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6294
6295     deco_xpos = (gd->width  - tile_size) / 2;
6296     deco_ypos = (gd->height - tile_size) / 2;
6297
6298     gi = CreateGadget(GDI_CUSTOM_ID, id,
6299                       GDI_CUSTOM_TYPE_ID, i,
6300                       GDI_IMAGE_ID, graphic,
6301                       GDI_INFO_TEXT, getElementInfoText(element),
6302                       GDI_X, x,
6303                       GDI_Y, y,
6304                       GDI_WIDTH, gd->width,
6305                       GDI_HEIGHT, gd->height,
6306                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6307                       GDI_STATE, GD_BUTTON_UNPRESSED,
6308                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6309                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6310                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6311                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6312                       GDI_DECORATION_SIZE, tile_size, tile_size,
6313                       GDI_DECORATION_SHIFTING, 1, 1,
6314                       GDI_EVENT_MASK, event_mask,
6315                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6316                       GDI_CALLBACK_ACTION, HandleControlButtons,
6317                       GDI_END);
6318
6319     if (gi == NULL)
6320       Error(ERR_EXIT, "cannot create gadget");
6321
6322     level_editor_gadget[id] = gi;
6323   }
6324 }
6325
6326 static void CreateCounterButtons(void)
6327 {
6328   int max_infotext_len = getMaxInfoTextLength();
6329   int i;
6330
6331   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6332   {
6333     int j;
6334     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6335     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6336
6337     // determine horizontal position to the right of specified gadget
6338     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6339       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6340            ED_GADGET_TEXT_DISTANCE);
6341
6342     // determine horizontal offset for leading text
6343     if (counterbutton_info[i].text_left != NULL)
6344       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6345
6346     for (j = 0; j < 2; j++)
6347     {
6348       struct GadgetInfo *gi;
6349       int id = (j == 0 ?
6350                 counterbutton_info[i].gadget_id_down :
6351                 counterbutton_info[i].gadget_id_up);
6352       int graphic;
6353       struct GraphicInfo *gd;
6354       int gd_x1, gd_x2, gd_y1, gd_y2;
6355       unsigned int event_mask;
6356       char infotext[max_infotext_len + 1];
6357
6358       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6359
6360       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6361       {
6362         graphic = (j == 0 ?
6363                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6364                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6365
6366         event_mask |= GD_EVENT_RELEASED;
6367
6368         if (j == 0)
6369         {
6370           x = DX + editor.button.prev_level.x;
6371           y = DY + editor.button.prev_level.y;
6372         }
6373         else
6374         {
6375           x = DX + editor.button.next_level.x;
6376           y = DY + editor.button.next_level.y;
6377         }
6378       }
6379       else
6380       {
6381         graphic = (j == 0 ?
6382                    IMG_EDITOR_COUNTER_DOWN :
6383                    IMG_EDITOR_COUNTER_UP);
6384       }
6385
6386       gd = &graphic_info[graphic];
6387
6388       gd_x1 = gd->src_x;
6389       gd_y1 = gd->src_y;
6390       gd_x2 = gd->src_x + gd->pressed_xoffset;
6391       gd_y2 = gd->src_y + gd->pressed_yoffset;
6392
6393       sprintf(infotext, "%s counter value by 1, 5 or 10",
6394               (j == 0 ? "decrease" : "increase"));
6395
6396       gi = CreateGadget(GDI_CUSTOM_ID, id,
6397                         GDI_CUSTOM_TYPE_ID, i,
6398                         GDI_IMAGE_ID, graphic,
6399                         GDI_INFO_TEXT, infotext,
6400                         GDI_X, x,
6401                         GDI_Y, y,
6402                         GDI_WIDTH, gd->width,
6403                         GDI_HEIGHT, gd->height,
6404                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6405                         GDI_STATE, GD_BUTTON_UNPRESSED,
6406                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6407                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6408                         GDI_EVENT_MASK, event_mask,
6409                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6410                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6411                         GDI_END);
6412
6413       if (gi == NULL)
6414         Error(ERR_EXIT, "cannot create gadget");
6415
6416       level_editor_gadget[id] = gi;
6417       right_gadget_border[id] =
6418         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6419
6420       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6421
6422       if (j == 0)
6423       {
6424         int font_type = FONT_INPUT_1;
6425         int font_type_active = FONT_INPUT_1_ACTIVE;
6426
6427         id = counterbutton_info[i].gadget_id_text;
6428
6429         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6430
6431         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6432         {
6433           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6434
6435           font_type = FONT_LEVEL_NUMBER;
6436           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6437
6438           x = DX + editor.input.level_number.x;
6439           y = DY + editor.input.level_number.y;
6440         }
6441         else
6442         {
6443           graphic = IMG_EDITOR_COUNTER_INPUT;
6444         }
6445
6446         gd = &graphic_info[graphic];
6447
6448         gd_x1 = gd->src_x;
6449         gd_y1 = gd->src_y;
6450         gd_x2 = gd->src_x + gd->active_xoffset;
6451         gd_y2 = gd->src_y + gd->active_yoffset;
6452
6453         gi = CreateGadget(GDI_CUSTOM_ID, id,
6454                           GDI_CUSTOM_TYPE_ID, i,
6455                           GDI_IMAGE_ID, graphic,
6456                           GDI_INFO_TEXT, "enter counter value",
6457                           GDI_X, x,
6458                           GDI_Y, y,
6459                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6460                           GDI_NUMBER_VALUE, 0,
6461                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6462                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6463                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6464                           GDI_TEXT_FONT, font_type,
6465                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6466                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6467                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6468                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6469                           GDI_DESIGN_WIDTH, gd->width,
6470                           GDI_EVENT_MASK, event_mask,
6471                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6472                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6473                           GDI_END);
6474
6475         if (gi == NULL)
6476           Error(ERR_EXIT, "cannot create gadget");
6477
6478         level_editor_gadget[id] = gi;
6479         right_gadget_border[id] =
6480           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6481
6482         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6483       }
6484     }
6485   }
6486 }
6487
6488 static void CreateDrawingAreas(void)
6489 {
6490   int i;
6491
6492   // these values are not constant, but can change at runtime
6493   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6494   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6495
6496   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6497   {
6498     struct GadgetInfo *gi;
6499     unsigned int event_mask;
6500     int id = drawingarea_info[i].gadget_id;
6501     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6502     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6503     int area_xsize = drawingarea_info[i].area_xsize;
6504     int area_ysize = drawingarea_info[i].area_ysize;
6505     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6506                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6507
6508     event_mask =
6509       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6510       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6511
6512     // determine horizontal position to the right of specified gadget
6513     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6514       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6515            ED_DRAWINGAREA_TEXT_DISTANCE);
6516
6517     // determine horizontal offset for leading text
6518     if (drawingarea_info[i].text_left != NULL)
6519       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6520
6521     gi = CreateGadget(GDI_CUSTOM_ID, id,
6522                       GDI_CUSTOM_TYPE_ID, i,
6523                       GDI_X, x,
6524                       GDI_Y, y,
6525                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6526                       GDI_AREA_SIZE, area_xsize, area_ysize,
6527                       GDI_ITEM_SIZE, item_size, item_size,
6528                       GDI_EVENT_MASK, event_mask,
6529                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6530                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6531                       GDI_END);
6532
6533     if (gi == NULL)
6534       Error(ERR_EXIT, "cannot create gadget");
6535
6536     level_editor_gadget[id] = gi;
6537     right_gadget_border[id] =
6538       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6539   }
6540 }
6541
6542 static void CreateTextInputGadgets(void)
6543 {
6544   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6545   int max_infotext_len = getMaxInfoTextLength();
6546   int i;
6547
6548   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6549   {
6550     int gd_x1 = gd->src_x;
6551     int gd_y1 = gd->src_y;
6552     int gd_x2 = gd->src_x + gd->active_xoffset;
6553     int gd_y2 = gd->src_y + gd->active_yoffset;
6554     struct GadgetInfo *gi;
6555     unsigned int event_mask;
6556     char infotext[MAX_OUTPUT_LINESIZE + 1];
6557     int id = textinput_info[i].gadget_id;
6558     int x, y;
6559
6560     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6561     {
6562       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6563       int border_size = gd->border_size;
6564       int font_nr = FONT_INPUT_1;
6565       int font_height = getFontHeight(font_nr);
6566       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6567       int yoffset = element_border + (TILEY - font_height) / 2;
6568
6569       x = (editor.settings.element_name.x != -1 ?
6570            editor.settings.element_name.x :
6571            editor.settings.element_graphic.x + xoffset) - border_size;
6572       y = (editor.settings.element_name.y != -1 ?
6573            editor.settings.element_name.y :
6574            editor.settings.element_graphic.y + yoffset) - border_size;
6575     }
6576     else
6577     {
6578       x = ED_SETTINGS_X(textinput_info[i].x);
6579       y = ED_SETTINGS_Y(textinput_info[i].y);
6580     }
6581
6582     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6583
6584     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6585     infotext[max_infotext_len] = '\0';
6586
6587     gi = CreateGadget(GDI_CUSTOM_ID, id,
6588                       GDI_CUSTOM_TYPE_ID, i,
6589                       GDI_INFO_TEXT, infotext,
6590                       GDI_X, SX + x,
6591                       GDI_Y, SY + y,
6592                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6593                       GDI_TEXT_VALUE, textinput_info[i].value,
6594                       GDI_TEXT_SIZE, textinput_info[i].size,
6595                       GDI_TEXT_FONT, FONT_INPUT_1,
6596                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6597                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6598                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6599                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6600                       GDI_DESIGN_WIDTH, gd->width,
6601                       GDI_EVENT_MASK, event_mask,
6602                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6603                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6604                       GDI_END);
6605
6606     if (gi == NULL)
6607       Error(ERR_EXIT, "cannot create gadget");
6608
6609     level_editor_gadget[id] = gi;
6610   }
6611 }
6612
6613 static void CreateTextAreaGadgets(void)
6614 {
6615   int max_infotext_len = getMaxInfoTextLength();
6616   int i;
6617
6618   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6619   {
6620     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6621     int gd_x1 = gd->src_x;
6622     int gd_y1 = gd->src_y;
6623     int gd_x2 = gd->src_x + gd->active_xoffset;
6624     int gd_y2 = gd->src_y + gd->active_yoffset;
6625     struct GadgetInfo *gi;
6626     unsigned int event_mask;
6627     char infotext[MAX_OUTPUT_LINESIZE + 1];
6628     int id = textarea_info[i].gadget_id;
6629     int area_xsize = textarea_info[i].xsize;
6630     int area_ysize = textarea_info[i].ysize;
6631
6632     event_mask = GD_EVENT_TEXT_LEAVING;
6633
6634     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6635     infotext[max_infotext_len] = '\0';
6636
6637     gi = CreateGadget(GDI_CUSTOM_ID, id,
6638                       GDI_CUSTOM_TYPE_ID, i,
6639                       GDI_INFO_TEXT, infotext,
6640                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6641                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6642                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6643                       GDI_AREA_SIZE, area_xsize, area_ysize,
6644                       GDI_TEXT_FONT, FONT_INPUT_1,
6645                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6646                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6647                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6648                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6649                       GDI_DESIGN_WIDTH, gd->width,
6650                       GDI_EVENT_MASK, event_mask,
6651                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6652                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6653                       GDI_END);
6654
6655     if (gi == NULL)
6656       Error(ERR_EXIT, "cannot create gadget");
6657
6658     level_editor_gadget[id] = gi;
6659   }
6660 }
6661
6662 static void CreateSelectboxGadgets(void)
6663 {
6664   int max_infotext_len = getMaxInfoTextLength();
6665   int i, j;
6666
6667   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6668   {
6669     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6670     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6671     int gd_x1 = gd->src_x;
6672     int gd_y1 = gd->src_y;
6673     int gd_x2 = gd->src_x + gd->active_xoffset;
6674     int gd_y2 = gd->src_y + gd->active_yoffset;
6675     int selectbox_button_xsize = gd2->width;
6676     struct GadgetInfo *gi;
6677     unsigned int event_mask;
6678     char infotext[MAX_OUTPUT_LINESIZE + 1];
6679     int id = selectbox_info[i].gadget_id;
6680     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6681     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6682
6683     if (selectbox_info[i].size == -1)   // dynamically determine size
6684     {
6685       /* (we cannot use -1 for uninitialized values if we directly compare
6686          with results from strlen(), because the '<' and '>' operation will
6687          implicitely cast -1 to an unsigned integer value!) */
6688       selectbox_info[i].size = 0;
6689
6690       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6691         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6692           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6693
6694       selectbox_info[i].size++;         // add one character empty space
6695     }
6696
6697     event_mask = GD_EVENT_RELEASED |
6698       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6699
6700     // determine horizontal position to the right of specified gadget
6701     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6702       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6703            ED_GADGET_TEXT_DISTANCE);
6704
6705     // determine horizontal offset for leading text
6706     if (selectbox_info[i].text_left != NULL)
6707       x += getTextWidthForGadget(selectbox_info[i].text_left);
6708
6709     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6710     infotext[max_infotext_len] = '\0';
6711
6712     gi = CreateGadget(GDI_CUSTOM_ID, id,
6713                       GDI_CUSTOM_TYPE_ID, i,
6714                       GDI_INFO_TEXT, infotext,
6715                       GDI_X, x,
6716                       GDI_Y, y,
6717                       GDI_TYPE, GD_TYPE_SELECTBOX,
6718                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6719                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6720                       GDI_TEXT_SIZE, selectbox_info[i].size,
6721                       GDI_TEXT_FONT, FONT_INPUT_1,
6722                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6723                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6724                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6725                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6726                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6727                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6728                       GDI_DESIGN_WIDTH, gd->width,
6729                       GDI_EVENT_MASK, event_mask,
6730                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6731                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6732                       GDI_END);
6733
6734     if (gi == NULL)
6735       Error(ERR_EXIT, "cannot create gadget");
6736
6737     level_editor_gadget[id] = gi;
6738     right_gadget_border[id] =
6739       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6740   }
6741 }
6742
6743 static void CreateTextbuttonGadgets(void)
6744 {
6745   int max_infotext_len = getMaxInfoTextLength();
6746   int i;
6747
6748   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6749   {
6750     int id = textbutton_info[i].gadget_id;
6751     int is_tab_button =
6752       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6753        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6754     int graphic =
6755       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6756     int gadget_distance =
6757       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6758     struct GraphicInfo *gd = &graphic_info[graphic];
6759     int gd_x1 = gd->src_x;
6760     int gd_y1 = gd->src_y;
6761     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6762     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6763     int gd_x1a = gd->src_x + gd->active_xoffset;
6764     int gd_y1a = gd->src_y + gd->active_yoffset;
6765     int border_xsize = gd->border_size + gd->draw_xoffset;
6766     int border_ysize = gd->border_size;
6767     struct GadgetInfo *gi;
6768     unsigned int event_mask;
6769     char infotext[MAX_OUTPUT_LINESIZE + 1];
6770     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6771     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6772
6773     if (textbutton_info[i].size == -1)  // dynamically determine size
6774       textbutton_info[i].size = strlen(textbutton_info[i].text);
6775
6776     event_mask = GD_EVENT_RELEASED;
6777
6778     sprintf(infotext, "%s", textbutton_info[i].infotext);
6779     infotext[max_infotext_len] = '\0';
6780
6781     // determine horizontal position to the right of specified gadget
6782     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6783     {
6784       int gadget_id_align = textbutton_info[i].gadget_id_align;
6785
6786       x = right_gadget_border[gadget_id_align] + gadget_distance;
6787
6788       if (textbutton_info[i].y == -1)
6789         y = level_editor_gadget[gadget_id_align]->y;
6790     }
6791
6792     // determine horizontal offset for leading text
6793     if (textbutton_info[i].text_left != NULL)
6794       x += getTextWidthForGadget(textbutton_info[i].text_left);
6795
6796     gi = CreateGadget(GDI_CUSTOM_ID, id,
6797                       GDI_CUSTOM_TYPE_ID, i,
6798                       GDI_IMAGE_ID, graphic,
6799                       GDI_INFO_TEXT, infotext,
6800                       GDI_X, x,
6801                       GDI_Y, y,
6802                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6803                       GDI_TEXT_VALUE, textbutton_info[i].text,
6804                       GDI_TEXT_SIZE, textbutton_info[i].size,
6805                       GDI_TEXT_FONT, FONT_INPUT_2,
6806                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6807                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6808                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6809                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6810                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6811                       GDI_DESIGN_WIDTH, gd->width,
6812                       GDI_DECORATION_SHIFTING, 1, 1,
6813                       GDI_EVENT_MASK, event_mask,
6814                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6815                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6816                       GDI_END);
6817
6818     if (gi == NULL)
6819       Error(ERR_EXIT, "cannot create gadget");
6820
6821     level_editor_gadget[id] = gi;
6822     right_gadget_border[id] =
6823       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6824   }
6825 }
6826
6827 static void CreateGraphicbuttonGadgets(void)
6828 {
6829   struct GadgetInfo *gi;
6830   unsigned int event_mask;
6831   int i;
6832
6833   // create buttons for scrolling of drawing area and element list
6834   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6835   {
6836     int id = graphicbutton_info[i].gadget_id;
6837     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6838     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6839     int graphic = graphicbutton_info[i].graphic;
6840     struct GraphicInfo *gd = &graphic_info[graphic];
6841     int gd_x1 = gd->src_x;
6842     int gd_y1 = gd->src_y;
6843     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6844     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6845
6846     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6847
6848     // determine horizontal position to the right of specified gadget
6849     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6850       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6851            ED_GADGET_TEXT_DISTANCE);
6852
6853     // determine horizontal offset for leading text
6854     if (graphicbutton_info[i].text_left != NULL)
6855       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6856
6857     gi = CreateGadget(GDI_CUSTOM_ID, id,
6858                       GDI_CUSTOM_TYPE_ID, i,
6859                       GDI_IMAGE_ID, graphic,
6860                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6861                       GDI_X, x,
6862                       GDI_Y, y,
6863                       GDI_WIDTH, gd->width,
6864                       GDI_HEIGHT, gd->height,
6865                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6866                       GDI_STATE, GD_BUTTON_UNPRESSED,
6867                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6868                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6869                       GDI_EVENT_MASK, event_mask,
6870                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6871                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6872                       GDI_END);
6873
6874     if (gi == NULL)
6875       Error(ERR_EXIT, "cannot create gadget");
6876
6877     level_editor_gadget[id] = gi;
6878     right_gadget_border[id] =
6879       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6880   }
6881 }
6882
6883 static void CreateScrollbarGadgets(void)
6884 {
6885   int i;
6886
6887   // these values are not constant, but can change at runtime
6888   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6889     SX + ED_SCROLL_HORIZONTAL_XPOS;
6890   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6891     SY + ED_SCROLL_HORIZONTAL_YPOS;
6892   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6893     ED_SCROLL_HORIZONTAL_XSIZE;
6894   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6895     ED_SCROLL_HORIZONTAL_YSIZE;
6896   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6897   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6898   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6899   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6900
6901   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6902     SX + ED_SCROLL_VERTICAL_XPOS;
6903   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6904     SY + ED_SCROLL_VERTICAL_YPOS;
6905   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6906     ED_SCROLL_VERTICAL_XSIZE;
6907   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6908     ED_SCROLL_VERTICAL_YSIZE;
6909   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6910   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6911   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6912   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6913
6914   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6915     PX + ED_SCROLL2_VERTICAL_XPOS;
6916   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6917     PY + ED_SCROLL2_VERTICAL_YPOS;
6918   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6919     ED_SCROLL2_VERTICAL_XSIZE;
6920   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6921     ED_SCROLL2_VERTICAL_YSIZE;
6922   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6923   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6924   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6925   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6926
6927   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6928   {
6929     int id = scrollbar_info[i].gadget_id;
6930     int graphic = scrollbar_info[i].graphic;
6931     struct GraphicInfo *gd = &graphic_info[graphic];
6932     int gd_x1 = gd->src_x;
6933     int gd_y1 = gd->src_y;
6934     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6935     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6936     struct GadgetInfo *gi;
6937     int items_max, items_visible, item_position;
6938     unsigned int event_mask;
6939
6940     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6941     {
6942       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6943       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6944       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6945     }
6946     else        // drawing area scrollbars
6947     {
6948       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6949       {
6950         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6951         items_visible = ed_fieldx;
6952         item_position = 0;
6953       }
6954       else
6955       {
6956         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6957         items_visible = ed_fieldy;
6958         item_position = 0;
6959       }
6960     }
6961
6962     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6963
6964     gi = CreateGadget(GDI_CUSTOM_ID, id,
6965                       GDI_CUSTOM_TYPE_ID, i,
6966                       GDI_IMAGE_ID, graphic,
6967                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6968                       GDI_X, scrollbar_pos[i].x,
6969                       GDI_Y, scrollbar_pos[i].y,
6970                       GDI_WIDTH, scrollbar_pos[i].width,
6971                       GDI_HEIGHT, scrollbar_pos[i].height,
6972                       GDI_TYPE, scrollbar_info[i].type,
6973                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6974                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6975                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6976                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6977                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6978                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6979                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6980                       GDI_STATE, GD_BUTTON_UNPRESSED,
6981                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6982                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6983                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6984                       GDI_EVENT_MASK, event_mask,
6985                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6986                       GDI_CALLBACK_ACTION, HandleControlButtons,
6987                       GDI_END);
6988
6989     if (gi == NULL)
6990       Error(ERR_EXIT, "cannot create gadget");
6991
6992     level_editor_gadget[id] = gi;
6993   }
6994 }
6995
6996 static void CreateCheckbuttonGadgets(void)
6997 {
6998   struct GadgetInfo *gi;
6999   unsigned int event_mask;
7000   int i;
7001
7002   event_mask = GD_EVENT_PRESSED;
7003
7004   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7005   {
7006     int id = checkbutton_info[i].gadget_id;
7007     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7008                    IMG_EDITOR_CHECKBOX);
7009     struct GraphicInfo *gd = &graphic_info[graphic];
7010     int gd_x1 = gd->src_x;
7011     int gd_y1 = gd->src_y;
7012     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7013     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7014     int gd_x1a = gd->src_x + gd->active_xoffset;
7015     int gd_y1a = gd->src_y + gd->active_yoffset;
7016     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7017     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7018     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7019     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7020
7021     // determine horizontal position to the right of specified gadget
7022     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7023       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7024            ED_GADGET_TEXT_DISTANCE);
7025
7026     // determine horizontal offset for leading text
7027     if (checkbutton_info[i].text_left != NULL)
7028       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7029
7030     gi = CreateGadget(GDI_CUSTOM_ID, id,
7031                       GDI_CUSTOM_TYPE_ID, i,
7032                       GDI_IMAGE_ID, graphic,
7033                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7034                       GDI_X, x,
7035                       GDI_Y, y,
7036                       GDI_WIDTH, gd->width,
7037                       GDI_HEIGHT, gd->height,
7038                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7039                       GDI_CHECKED, *checkbutton_info[i].value,
7040                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7041                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7042                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7043                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7044                       GDI_EVENT_MASK, event_mask,
7045                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7046                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7047                       GDI_END);
7048
7049     if (gi == NULL)
7050       Error(ERR_EXIT, "cannot create gadget");
7051
7052     level_editor_gadget[id] = gi;
7053     right_gadget_border[id] =
7054       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7055   }
7056 }
7057
7058 static void CreateRadiobuttonGadgets(void)
7059 {
7060   int graphic = IMG_EDITOR_RADIOBUTTON;
7061   struct GraphicInfo *gd = &graphic_info[graphic];
7062   int gd_x1 = gd->src_x;
7063   int gd_y1 = gd->src_y;
7064   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7065   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7066   int gd_x1a = gd->src_x + gd->active_xoffset;
7067   int gd_y1a = gd->src_y + gd->active_yoffset;
7068   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7069   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7070   struct GadgetInfo *gi;
7071   unsigned int event_mask;
7072   int i;
7073
7074   event_mask = GD_EVENT_PRESSED;
7075
7076   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7077   {
7078     int id = radiobutton_info[i].gadget_id;
7079     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7080     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7081
7082     int checked =
7083       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7084
7085     // determine horizontal position to the right of specified gadget
7086     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7087       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7088            ED_GADGET_TEXT_DISTANCE);
7089
7090     // determine horizontal offset for leading text
7091     if (radiobutton_info[i].text_left != NULL)
7092       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7093
7094     gi = CreateGadget(GDI_CUSTOM_ID, id,
7095                       GDI_CUSTOM_TYPE_ID, i,
7096                       GDI_IMAGE_ID, graphic,
7097                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7098                       GDI_X, x,
7099                       GDI_Y, y,
7100                       GDI_WIDTH, gd->width,
7101                       GDI_HEIGHT, gd->height,
7102                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7103                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7104                       GDI_CHECKED, checked,
7105                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7106                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7107                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7108                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7109                       GDI_EVENT_MASK, event_mask,
7110                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7111                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7112                       GDI_END);
7113
7114     if (gi == NULL)
7115       Error(ERR_EXIT, "cannot create gadget");
7116
7117     level_editor_gadget[id] = gi;
7118     right_gadget_border[id] =
7119       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7120   }
7121 }
7122
7123 void CreateLevelEditorGadgets(void)
7124 {
7125   // force EDITOR font inside level editor
7126   SetFontStatus(GAME_MODE_EDITOR);
7127
7128   // these values are not constant, but can change at runtime
7129   ed_fieldx = MAX_ED_FIELDX - 1;
7130   ed_fieldy = MAX_ED_FIELDY - 1;
7131
7132   num_editor_gadgets = NUM_EDITOR_GADGETS;
7133
7134   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7135
7136   level_editor_gadget =
7137     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7138   right_gadget_border =
7139     checked_calloc(num_editor_gadgets * sizeof(int));
7140
7141   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7142   editor_el_empty_ptr = editor_el_empty;
7143
7144   use_permanent_palette = !editor.palette.show_as_separate_screen;
7145
7146   ReinitializeElementList();
7147
7148   CreateControlButtons();
7149   CreateScrollbarGadgets();
7150
7151   // order of function calls is important because of cross-references
7152   CreateCheckbuttonGadgets();
7153   CreateCounterButtons();
7154   CreateRadiobuttonGadgets();
7155   CreateTextInputGadgets();
7156   CreateTextAreaGadgets();
7157   CreateSelectboxGadgets();
7158   CreateGraphicbuttonGadgets();
7159   CreateTextbuttonGadgets();
7160   CreateDrawingAreas();
7161
7162   ResetFontStatus();
7163 }
7164
7165 void FreeLevelEditorGadgets(void)
7166 {
7167   int i;
7168
7169   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7170
7171   for (i = 0; i < num_editor_gadgets; i++)
7172   {
7173     FreeGadget(level_editor_gadget[i]);
7174
7175     level_editor_gadget[i] = NULL;
7176   }
7177
7178   checked_free(level_editor_gadget);
7179   checked_free(right_gadget_border);
7180
7181   checked_free(editor_el_empty);
7182 }
7183
7184 static void MapCounterButtons(int id)
7185 {
7186   int font_nr = FONT_TEXT_1;
7187   int font_height = getFontHeight(font_nr);
7188   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7189   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7190   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7191   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7192   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7193   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7194   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7195   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7196   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7197   int yoffset = (gi_down->height - font_height) / 2;
7198   int x_left = gi_down->x - xoffset_left;
7199   int x_right;  // set after gadget position was modified
7200   int y_above = gi_down->y - yoffset_above;
7201   int x = gi_down->x;
7202   int y;        // set after gadget position was modified
7203
7204   // counter limits must be changed first to prevent value truncation
7205   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7206                             counterbutton_info[id].max_value);
7207
7208   // right text position might have changed after setting position above
7209   x_right = gi_up->x + gi_up->width + xoffset_right;
7210
7211   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7212
7213   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7214   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7215       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7216   {
7217     ModifyGadget(gi_down, GDI_Y,
7218                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7219     ModifyGadget(gi_text, GDI_Y,
7220                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7221     ModifyGadget(gi_up,   GDI_Y,
7222                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7223   }
7224
7225   // vertical position might have changed after setting position above
7226   y = gi_up->y + yoffset;
7227
7228   if (counterbutton_info[id].text_above)
7229     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7230
7231   if (counterbutton_info[id].text_left)
7232     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7233
7234   if (counterbutton_info[id].text_right)
7235     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7236
7237   MapGadget(gi_down);
7238   MapGadget(gi_text);
7239   MapGadget(gi_up);
7240 }
7241
7242 static void MapControlButtons(void)
7243 {
7244   int counter_id;
7245   int i;
7246
7247   // map toolbox buttons (excluding special CE toolbox buttons)
7248   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7249     MapGadget(level_editor_gadget[i]);
7250
7251   // map toolbox buttons (element properties buttons)
7252   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7253     MapGadget(level_editor_gadget[i]);
7254
7255   if (use_permanent_palette)
7256   {
7257     // map buttons to select elements
7258     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7259       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7260     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7261     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7262     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7263   }
7264
7265   // map buttons to select level
7266   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7267   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7268   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7269   MapCounterButtons(counter_id);
7270 }
7271
7272 static void MapDrawingArea(int id)
7273 {
7274   int font_nr = FONT_TEXT_1;
7275   int font_height = getFontHeight(font_nr);
7276   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7277   int area_xsize = gi->drawing.area_xsize;
7278   int area_ysize = gi->drawing.area_ysize;
7279   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7280   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7281   int x_left  = gi->x - xoffset_left;
7282   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7283   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7284   int y_side  = gi->y + (gi->height - font_height) / 2;
7285   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7286
7287   if (drawingarea_info[id].text_left)
7288     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7289
7290   if (drawingarea_info[id].text_right)
7291     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7292
7293   if (drawingarea_info[id].text_below)
7294     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7295
7296   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7297   {
7298     DrawElementBorder(gi->x, gi->y,
7299                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7300                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7301
7302     DrawDrawingArea(id);
7303   }
7304
7305   MapGadget(gi);
7306 }
7307
7308 static void MapTextInputGadget(int id)
7309 {
7310   int font_nr = FONT_TEXT_1;
7311   int font_height = getFontHeight(font_nr);
7312   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7313   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7314   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7315   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7316
7317   if (textinput_info[id].text_above)
7318     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7319
7320   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7321
7322   MapGadget(gi);
7323 }
7324
7325 static void MapTextAreaGadget(int id)
7326 {
7327   int font_nr = FONT_TEXT_1;
7328   int font_height = getFontHeight(font_nr);
7329   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7330   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7331   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7332   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7333
7334   if (textarea_info[id].text_above)
7335     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7336
7337   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7338
7339   MapGadget(gi);
7340 }
7341
7342 static void MapSelectboxGadget(int id)
7343 {
7344   int font_nr = FONT_TEXT_1;
7345   int font_height = getFontHeight(font_nr);
7346   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7347   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7348   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7349   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7350   int yoffset = (gi->height - font_height) / 2;
7351   int x_left = gi->x - xoffset_left;
7352   int x_right = gi->x + gi->width + xoffset_right;
7353   int y_above = gi->y - yoffset_above;
7354   int x = gi->x;
7355   int y = gi->y + yoffset;
7356
7357   if (selectbox_info[id].text_above)
7358     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7359
7360   if (selectbox_info[id].text_left)
7361     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7362
7363   if (selectbox_info[id].text_right)
7364     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7365
7366   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7367
7368   MapGadget(gi);
7369 }
7370
7371 static void MapTextbuttonGadget(int id)
7372 {
7373   int font_nr = FONT_TEXT_1;
7374   int font_height = getFontHeight(font_nr);
7375   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7376   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7377   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7378   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7379   int yoffset = (gi->height - font_height) / 2;
7380   int x_left = gi->x - xoffset_left;
7381   int x_right = gi->x + gi->width + xoffset_right;
7382   int y_above = gi->y - yoffset_above;
7383   int x = gi->x;
7384   int y = gi->y + yoffset;
7385
7386   // only show button to delete change pages when more than minimum pages
7387   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7388       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7389     return;
7390
7391   if (textbutton_info[id].text_above)
7392     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7393
7394   if (textbutton_info[id].text_left)
7395     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7396
7397   if (textbutton_info[id].text_right)
7398     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7399
7400   MapGadget(gi);
7401 }
7402
7403 static void MapGraphicbuttonGadget(int id)
7404 {
7405   int font_nr = FONT_TEXT_1;
7406   int font_height = getFontHeight(font_nr);
7407   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7408   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7409   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7410   int yoffset = (gi->height - font_height) / 2;
7411   int x_left = gi->x - xoffset_left;
7412   int x_right = gi->x + gi->width + xoffset_right;
7413   int y = gi->y + yoffset;
7414
7415   if (graphicbutton_info[id].text_left)
7416     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7417
7418   if (graphicbutton_info[id].text_right)
7419     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7420
7421   MapGadget(gi);
7422 }
7423
7424 static void MapRadiobuttonGadget(int id)
7425 {
7426   int font_nr = FONT_TEXT_1;
7427   int font_height = getFontHeight(font_nr);
7428   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7429   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7430   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7431   int yoffset = (gi->height - font_height) / 2;
7432   int x_left = gi->x - xoffset_left;
7433   int x_right = gi->x + gi->width + xoffset_right;
7434   int y = gi->y + yoffset;
7435   boolean checked =
7436     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7437
7438   if (radiobutton_info[id].text_left)
7439     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7440
7441   if (radiobutton_info[id].text_right)
7442     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7443
7444   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7445
7446   MapGadget(gi);
7447 }
7448
7449 static void MapCheckbuttonGadget(int id)
7450 {
7451   int font_nr = FONT_TEXT_1;
7452   int font_height = getFontHeight(font_nr);
7453   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7454   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7455   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7456   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7457   int yoffset = (gi->height - font_height) / 2;
7458   int y_above = gi->y - yoffset_above;
7459   int x = gi->x;
7460   int x_left, x_right, y;       // set after gadget position was modified
7461
7462   // set position for gadgets with dynamically determined position
7463   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7464     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7465   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7466
7467   x_left = gi->x - xoffset_left;
7468   x_right = gi->x + gi->width + xoffset_right;
7469   y = gi->y + yoffset;
7470
7471   if (checkbutton_info[id].text_above)
7472     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7473
7474   if (checkbutton_info[id].text_left)
7475     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7476
7477   if (checkbutton_info[id].text_right)
7478     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7479
7480   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7481
7482   MapGadget(gi);
7483 }
7484
7485 static void MapMainDrawingArea(void)
7486 {
7487   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7488   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7489   int i;
7490
7491   if (suppressBorderElement())
7492   {
7493     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7494     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7495   }
7496
7497   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7498   {
7499     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7500           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7501          no_horizontal_scrollbar) ||
7502         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7503           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7504          no_vertical_scrollbar))
7505       continue;
7506
7507     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7508   }
7509
7510   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7511   {
7512     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7513         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7514       continue;
7515
7516     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7517   }
7518
7519   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7520 }
7521
7522 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7523 {
7524   int i;
7525
7526   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7527   {
7528     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7529         i == GADGET_ID_CUSTOM_COPY_TO ||
7530         i == GADGET_ID_CUSTOM_EXCHANGE ||
7531         i == GADGET_ID_CUSTOM_COPY ||
7532         i == GADGET_ID_CUSTOM_PASTE)
7533     {
7534       if (map)
7535         MapGadget(level_editor_gadget[i]);
7536       else
7537         UnmapGadget(level_editor_gadget[i]);
7538     }
7539   }
7540 }
7541
7542 static void MapLevelEditorToolboxCustomGadgets(void)
7543 {
7544   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7545 }
7546
7547 static void UnmapLevelEditorToolboxCustomGadgets(void)
7548 {
7549   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7550 }
7551
7552 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7553 {
7554   int i;
7555
7556   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7557   {
7558     if (i != GADGET_ID_SINGLE_ITEMS &&
7559         i != GADGET_ID_PICK_ELEMENT)
7560     {
7561       struct GadgetInfo *gi = level_editor_gadget[i];
7562
7563       if (map)
7564       {
7565         MapGadget(gi);
7566       }
7567       else
7568       {
7569         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7570         struct GraphicInfo *gd = &graphic_info[graphic];
7571
7572         UnmapGadget(gi);
7573
7574         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7575                    gi->width, gi->height, gi->x, gi->y);
7576
7577         redraw_mask |= REDRAW_DOOR_3;
7578       }
7579     }
7580   }
7581 }
7582
7583 static void MapLevelEditorToolboxDrawingGadgets(void)
7584 {
7585   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7586 }
7587
7588 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7589 {
7590   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7591 }
7592
7593 static void UnmapDrawingArea(int id)
7594 {
7595   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7596 }
7597
7598 static void UnmapLevelEditorFieldGadgets(void)
7599 {
7600   int i;
7601
7602   for (i = 0; i < num_editor_gadgets; i++)
7603     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7604                           level_editor_gadget[i]->y))
7605       UnmapGadget(level_editor_gadget[i]);
7606 }
7607
7608 void UnmapLevelEditorGadgets(void)
7609 {
7610   int i;
7611
7612   for (i = 0; i < num_editor_gadgets; i++)
7613     UnmapGadget(level_editor_gadget[i]);
7614 }
7615
7616 static void ResetUndoBuffer(void)
7617 {
7618   undo_buffer_position = -1;
7619   undo_buffer_steps = -1;
7620   redo_buffer_steps = 0;
7621
7622   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7623
7624   level.changed = FALSE;
7625 }
7626
7627 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7628 {
7629   if (remap_toolbox_gadgets)
7630   {
7631     ModifyEditorElementList();
7632     RedrawDrawingElements();
7633   }
7634
7635   if (edit_mode == ED_MODE_INFO)
7636     DrawLevelInfoWindow();
7637   else if (edit_mode == ED_MODE_PROPERTIES)
7638     DrawPropertiesWindow();
7639   else if (edit_mode == ED_MODE_PALETTE)
7640     DrawPaletteWindow();
7641   else  // edit_mode == ED_MODE_DRAWING
7642     DrawDrawingWindowExt(remap_toolbox_gadgets);
7643 }
7644
7645 static void DrawEditModeWindow(void)
7646 {
7647   DrawEditModeWindowExt(TRUE);
7648 }
7649
7650 static void DrawEditModeWindow_PlayfieldOnly(void)
7651 {
7652   DrawEditModeWindowExt(FALSE);
7653 }
7654
7655 static void ChangeEditModeWindow(int new_edit_mode)
7656 {
7657   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7658
7659   DrawEditModeWindow();
7660 }
7661
7662 static boolean LevelChanged(void)
7663 {
7664   boolean field_changed = FALSE;
7665   int x, y;
7666
7667   for (y = 0; y < lev_fieldy; y++)
7668     for (x = 0; x < lev_fieldx; x++)
7669       if (Feld[x][y] != level.field[x][y])
7670         field_changed = TRUE;
7671
7672   return (level.changed || field_changed);
7673 }
7674
7675 static boolean PrepareSavingIntoPersonalLevelSet(void)
7676 {
7677   static LevelDirTree *last_copied_leveldir = NULL;
7678   static LevelDirTree *last_written_leveldir = NULL;
7679   static int last_copied_level_nr = -1;
7680   static int last_written_level_nr = -1;
7681   LevelDirTree *leveldir_former = leveldir_current;
7682   int level_nr_former = level_nr;
7683   int new_level_nr;
7684
7685   // remember last mod/save so that for current session, we write
7686   // back to the same personal copy, asking only about overwrite.
7687   if (leveldir_current == last_copied_leveldir &&
7688       level_nr == last_copied_level_nr)
7689   {
7690     // "cd" to personal level set dir (as used when writing last copy)
7691     leveldir_current = last_written_leveldir;
7692     level_nr = last_written_level_nr;
7693
7694     return TRUE;
7695   }
7696
7697   if (!Request("This level is read only! "
7698                "Save into personal level set?", REQ_ASK))
7699     return FALSE;
7700
7701   // "cd" to personal level set dir (for writing copy the first time)
7702   leveldir_current =
7703     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7704
7705   // find unused level number
7706   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7707   {
7708     static char *level_filename = NULL;
7709
7710     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7711
7712     if (!fileExists(level_filename))
7713       break;
7714   }
7715
7716   last_copied_leveldir = leveldir_former;
7717   last_copied_level_nr = level_nr_former;
7718
7719   last_written_leveldir = leveldir_current;
7720   last_written_level_nr = level_nr = new_level_nr;
7721
7722   return TRUE;
7723 }
7724
7725 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7726 {
7727   static char *filename_levelinfo = NULL, *mod_name = NULL;
7728   FILE *file;
7729
7730   // annotate this copy-and-mod in personal levelinfo.conf
7731   setString(&filename_levelinfo,
7732             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7733
7734   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7735   {
7736     fprintf(file, "\n");
7737     fprintf(file, "# level %d was modified from:\n", level_nr);
7738     fprintf(file, "# - previous level set name:    %s\n",
7739             former_name);
7740     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7741             level.file_info.nr, level.name);
7742     fprintf(file, "# - previous author:            %s\n",
7743             level.author);
7744     fprintf(file, "# - previous save date:         ");
7745
7746     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7747     {
7748       fprintf(file, "%04d-%02d-%02d\n",
7749               level.creation_date.year,
7750               level.creation_date.month,
7751               level.creation_date.day);
7752     }
7753     else
7754     {
7755       fprintf(file, "not recorded\n");
7756     }
7757
7758     fclose(file);
7759   }
7760
7761   if (level_nr > leveldir_current->last_level)
7762     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7763
7764   // else: allow the save even if annotation failed
7765
7766   // now... spray graffiti on the old level vital statistics
7767   // user can change these; just trying to set a good baseline
7768
7769   // don't truncate names for fear of making offensive or silly:
7770   // long-named original author only recorded in levelinfo.conf.
7771   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7772   if (!strEqual(level.author, leveldir_current->author))
7773   {
7774     setString(&mod_name, getStringCat3(leveldir_current->author,
7775                                        " after ", level.author));
7776
7777     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7778       setString(&mod_name,
7779                 getStringCat2(leveldir_current->author, " (ed.)"));
7780
7781     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7782       setString(&mod_name, leveldir_current->author);
7783
7784     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7785
7786     // less worried about truncation here
7787     setString(&mod_name, getStringCat2("Mod: ", level.name));
7788     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7789   }
7790 }
7791
7792 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7793                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7794 {
7795   int x, y;
7796
7797   for (x = 0; x < lev_fieldx; x++)
7798     for (y = 0; y < lev_fieldy; y++)
7799       dst[x][y] = src[x][y];
7800 }
7801
7802 static int setSelectboxValue(int selectbox_id, int new_value)
7803 {
7804   int new_index_value = 0;
7805   int i;
7806
7807   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7808     if (selectbox_info[selectbox_id].options[i].value == new_value)
7809       new_index_value = i;
7810
7811   *selectbox_info[selectbox_id].value =
7812     selectbox_info[selectbox_id].options[new_index_value].value;
7813
7814   return new_index_value;
7815 }
7816
7817 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7818 {
7819   int i;
7820
7821   // change action mode and arg variables according to action type variable
7822   for (i = 0; action_arg_options[i].value != -1; i++)
7823   {
7824     if (action_arg_options[i].value == custom_element_change.action_type)
7825     {
7826       int mode = action_arg_options[i].mode;
7827
7828       // only change if corresponding selectbox has changed
7829       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7830           action_arg_modes[mode])
7831         custom_element_change.action_mode = -1;
7832
7833       // only change if corresponding selectbox has changed
7834       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7835           action_arg_options[i].options)
7836         custom_element_change.action_arg = -1;
7837
7838       break;
7839     }
7840   }
7841 }
7842
7843 static void setSelectboxSpecialActionOptions(void)
7844 {
7845   int i;
7846
7847   // change action mode and arg selectbox according to action type selectbox
7848   for (i = 0; action_arg_options[i].value != -1; i++)
7849   {
7850     if (action_arg_options[i].value == custom_element_change.action_type)
7851     {
7852       int mode = action_arg_options[i].mode;
7853
7854       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7855                                    action_arg_modes[mode]);
7856       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7857                                  custom_element_change.action_mode);
7858
7859       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7860                                    action_arg_options[i].options);
7861       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7862                                  custom_element_change.action_arg);
7863       break;
7864     }
7865   }
7866 }
7867
7868 static void copy_custom_element_settings(int element_from, int element_to)
7869 {
7870   struct ElementInfo *ei_from = &element_info[element_from];
7871   struct ElementInfo *ei_to = &element_info[element_to];
7872
7873   copyElementInfo(ei_from, ei_to);
7874 }
7875
7876 static void replace_custom_element_in_settings(int element_from,
7877                                                int element_to)
7878 {
7879   int i, j, x, y;
7880
7881   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7882   {
7883     struct ElementInfo *ei = &element_info[i];
7884
7885     for (y = 0; y < 3; y++)
7886       for (x = 0; x < 3; x++)
7887         if (ei->content.e[x][y] == element_from)
7888           ei->content.e[x][y] = element_to;
7889
7890     for (j = 0; j < ei->num_change_pages; j++)
7891     {
7892       struct ElementChangeInfo *change = &ei->change_page[j];
7893
7894       if (change->target_element == element_from)
7895         change->target_element = element_to;
7896
7897       if (change->initial_trigger_element == element_from)
7898         change->initial_trigger_element = element_to;
7899
7900       if (change->action_element == element_from)
7901         change->action_element = element_to;
7902
7903       for (y = 0; y < 3; y++)
7904         for (x = 0; x < 3; x++)
7905           if (change->target_content.e[x][y] == element_from)
7906             change->target_content.e[x][y] = element_to;
7907     }
7908
7909     if (ei->group != NULL)                              // group or internal
7910       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7911         if (ei->group->element[j] == element_from)
7912           ei->group->element[j] = element_to;
7913   }
7914 }
7915
7916 static void replace_custom_element_in_playfield(int element_from,
7917                                                 int element_to)
7918 {
7919   int x, y;
7920
7921   for (x = 0; x < lev_fieldx; x++)
7922     for (y = 0; y < lev_fieldy; y++)
7923       if (Feld[x][y] == element_from)
7924         Feld[x][y] = element_to;
7925 }
7926
7927 static boolean CopyCustomElement(int element_old, int element_new,
7928                                  int copy_mode)
7929 {
7930   int copy_mode_orig = copy_mode;
7931
7932   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7933   {
7934     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7935                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7936     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7937   }
7938   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7939   {
7940     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7941                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7942     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7943
7944     level.changed = TRUE;
7945   }
7946   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7947   {
7948     Request("Please choose custom element!", REQ_CONFIRM);
7949
7950     return FALSE;
7951   }
7952   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7953   {
7954     Request("Please choose group element!", REQ_CONFIRM);
7955
7956     return FALSE;
7957   }
7958   else
7959   {
7960     level.changed = TRUE;
7961   }
7962
7963   // when modifying custom/group element, ask for copying level template
7964   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7965   {
7966     if (!AskToCopyAndModifyLevelTemplate())
7967       return FALSE;
7968   }
7969
7970   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7971   {
7972     copy_custom_element_settings(element_new, element_old);
7973   }
7974   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7975   {
7976     copy_custom_element_settings(element_old, element_new);
7977   }
7978   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7979   {
7980     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7981     copy_custom_element_settings(element_new, element_old);
7982     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7983
7984     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7985     replace_custom_element_in_settings(element_new, element_old);
7986     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7987
7988     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7989     replace_custom_element_in_playfield(element_new, element_old);
7990     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7991   }
7992
7993   UpdateCustomElementGraphicGadgets();
7994   DrawPropertiesWindow();
7995
7996   return TRUE;
7997 }
7998
7999 static void CopyCustomElementPropertiesToEditor(int element)
8000 {
8001   int i;
8002   int current_change_page = element_info[element].current_change_page;
8003
8004   // dynamically (re)build selectbox for selecting change page
8005   for (i = 0; i < element_info[element].num_change_pages; i++)
8006   {
8007     sprintf(options_change_page_strings[i], "%d", i + 1);
8008
8009     options_change_page[i].value = i;
8010     options_change_page[i].text = options_change_page_strings[i];
8011   }
8012
8013   options_change_page[i].value = -1;
8014   options_change_page[i].text = NULL;
8015
8016   // needed here to initialize combined element properties
8017   InitElementPropertiesEngine(level.game_version);
8018
8019   element_info[element].change =
8020     &element_info[element].change_page[current_change_page];
8021
8022   custom_element = element_info[element];
8023   custom_element_change = *element_info[element].change;
8024
8025   // needed to initially set selectbox options for special action options
8026   setSelectboxSpecialActionOptions();
8027
8028   // needed to initially set selectbox value variables to reliable defaults
8029   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8030     setSelectboxValue(i, *selectbox_info[i].value);
8031
8032   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8033     custom_element_properties[i] = HAS_PROPERTY(element, i);
8034
8035   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8036     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8037
8038   // ---------- element settings: configure (custom elements) -----------------
8039
8040   // set accessible layer selectbox help value
8041   custom_element.access_type =
8042     (IS_WALKABLE(element) ? EP_WALKABLE :
8043      IS_PASSABLE(element) ? EP_PASSABLE :
8044      custom_element.access_type);
8045   custom_element.access_layer =
8046     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8047      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8048      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8049      custom_element.access_layer);
8050   custom_element.access_protected =
8051     (IS_PROTECTED(element) ? 1 : 0);
8052   custom_element_properties[EP_ACCESSIBLE] =
8053     (IS_ACCESSIBLE_OVER(element) ||
8054      IS_ACCESSIBLE_INSIDE(element) ||
8055      IS_ACCESSIBLE_UNDER(element));
8056
8057   // set walk-to-object action selectbox help value
8058   custom_element.walk_to_action =
8059     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8060      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8061      IS_DROPPABLE(element) ? EP_DROPPABLE :
8062      IS_THROWABLE(element) ? EP_THROWABLE :
8063      IS_PUSHABLE(element) ? EP_PUSHABLE :
8064      custom_element.walk_to_action);
8065   custom_element_properties[EP_WALK_TO_OBJECT] =
8066     (IS_DIGGABLE(element) ||
8067      IS_COLLECTIBLE_ONLY(element) ||
8068      IS_DROPPABLE(element) ||
8069      IS_THROWABLE(element) ||
8070      IS_PUSHABLE(element));
8071
8072   // set smash targets selectbox help value
8073   custom_element.smash_targets =
8074     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8075      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8076      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8077      custom_element.smash_targets);
8078   custom_element_properties[EP_CAN_SMASH] =
8079     (CAN_SMASH_EVERYTHING(element) ||
8080      CAN_SMASH_ENEMIES(element) ||
8081      CAN_SMASH_PLAYER(element));
8082
8083   // set deadliness selectbox help value
8084   custom_element.deadliness =
8085     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8086      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8087      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8088      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8089      custom_element.deadliness);
8090   custom_element_properties[EP_DEADLY] =
8091     (DONT_TOUCH(element) ||
8092      DONT_GET_HIT_BY(element) ||
8093      DONT_COLLIDE_WITH(element) ||
8094      DONT_RUN_INTO(element));
8095
8096   // ---------- element settings: advanced (custom elements) ------------------
8097
8098   // set "change by direct action" selectbox help value
8099   custom_element_change.direct_action =
8100     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8101      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8102      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8103      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8104      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8105      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8106      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8107      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8108      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8109      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8110      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8111      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8112      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8113      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8114      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8115      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8116      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8117      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8118      custom_element_change.direct_action);
8119
8120   // set "change by other element action" selectbox help value
8121   custom_element_change.other_action =
8122     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8123      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8124      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8125      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8126      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8127      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8128      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8129      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8130      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8131      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8132      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8133      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8134      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8135      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8136      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8137      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8138      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8139      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8140      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8141      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8142      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8143      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8144      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8145      custom_element_change.other_action);
8146 }
8147
8148 static void CopyGroupElementPropertiesToEditor(int element)
8149 {
8150   group_element_info = *element_info[element].group;
8151   custom_element = element_info[element];       // needed for description
8152 }
8153
8154 static void CopyClassicElementPropertiesToEditor(int element)
8155 {
8156   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8157     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8158       getMoveIntoAcidProperty(&level, element);
8159
8160   if (MAYBE_DONT_COLLIDE_WITH(element))
8161     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8162       getDontCollideWithProperty(&level, element);
8163 }
8164
8165 static void CopyElementPropertiesToEditor(int element)
8166 {
8167   if (IS_CUSTOM_ELEMENT(element))
8168     CopyCustomElementPropertiesToEditor(element);
8169   else if (IS_GROUP_ELEMENT(element))
8170     CopyGroupElementPropertiesToEditor(element);
8171   else
8172     CopyClassicElementPropertiesToEditor(element);
8173 }
8174
8175 static boolean AskToCopyAndModifyLevelTemplate(void)
8176 {
8177   if (Request("Copy and modify settings from level template?", REQ_ASK))
8178   {
8179     level.use_custom_template = FALSE;
8180
8181     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8182                  GDI_CHECKED, FALSE, GDI_END);
8183     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8184                  GDI_CHECKED, FALSE, GDI_END);
8185
8186     return TRUE;
8187   }
8188   else
8189   {
8190     LoadLevelTemplate(-1);      // this resets all element modifications ...
8191
8192     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8193
8194     return FALSE;
8195   }
8196 }
8197
8198 static void CopyCustomElementPropertiesToGame(int element)
8199 {
8200   int i;
8201   int access_type_and_layer;
8202
8203   // mark that this custom element has been modified
8204   custom_element.modified_settings = TRUE;
8205   level.changed = TRUE;
8206
8207   if (level.use_custom_template)
8208     AskToCopyAndModifyLevelTemplate();
8209
8210   element_info[element] = custom_element;
8211   *element_info[element].change = custom_element_change;
8212
8213   // ---------- element settings: configure (custom elements) -----------------
8214
8215   // set accessible property from checkbox and selectbox
8216   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8217   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8218   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8219   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8220   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8221   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8222   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8223                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8224                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8225   custom_element_properties[access_type_and_layer] =
8226     custom_element_properties[EP_ACCESSIBLE];
8227   custom_element_properties[EP_PROTECTED] =
8228     (custom_element.access_protected != 0 &&
8229      custom_element_properties[EP_ACCESSIBLE]);
8230
8231   // set walk-to-object property from checkbox and selectbox
8232   custom_element_properties[EP_DIGGABLE] = FALSE;
8233   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8234   custom_element_properties[EP_DROPPABLE] = FALSE;
8235   custom_element_properties[EP_THROWABLE] = FALSE;
8236   custom_element_properties[EP_PUSHABLE] = FALSE;
8237   custom_element_properties[custom_element.walk_to_action] =
8238     custom_element_properties[EP_WALK_TO_OBJECT];
8239
8240   // set smash property from checkbox and selectbox
8241   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8242   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8243   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8244   custom_element_properties[custom_element.smash_targets] =
8245     custom_element_properties[EP_CAN_SMASH];
8246
8247   // set deadliness property from checkbox and selectbox
8248   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8249   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8250   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8251   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8252   custom_element_properties[custom_element.deadliness] =
8253     custom_element_properties[EP_DEADLY];
8254
8255   // ---------- element settings: advanced (custom elements) ------------------
8256
8257   // set player change event from checkbox and selectbox
8258   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8259   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8260   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8261   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8262   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8263   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8264   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8265   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8266   custom_element_change_events[CE_SWITCHED] = FALSE;
8267   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8268   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8269   custom_element_change_events[CE_BLOCKED] = FALSE;
8270   custom_element_change_events[CE_IMPACT] = FALSE;
8271   custom_element_change_events[CE_SMASHED] = FALSE;
8272   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8273   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8274   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8275   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8276   custom_element_change_events[custom_element_change.direct_action] =
8277     custom_element_change_events[CE_BY_DIRECT_ACTION];
8278
8279   // set other element action change event from checkbox and selectbox
8280   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8281   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8282   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8283   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8284   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8285   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8286   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8287   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8288   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8289   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8290   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8291   custom_element_change_events[CE_HITTING_X] = FALSE;
8292   custom_element_change_events[CE_DIGGING_X] = FALSE;
8293   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8294   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8295   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8296   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8297   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8298   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8299   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8300   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8301   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8302   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8303   custom_element_change_events[custom_element_change.other_action] =
8304     custom_element_change_events[CE_BY_OTHER_ACTION];
8305
8306   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8307     SET_PROPERTY(element, i, custom_element_properties[i]);
8308
8309   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8310     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8311
8312   // copy change events also to special level editor variable
8313   custom_element = element_info[element];
8314   custom_element_change = *element_info[element].change;
8315 }
8316
8317 static void CopyGroupElementPropertiesToGame(int element)
8318 {
8319   // mark that this group element has been modified
8320   custom_element.modified_settings = TRUE;
8321   level.changed = TRUE;
8322
8323   if (level.use_custom_template)
8324     AskToCopyAndModifyLevelTemplate();
8325
8326   element_info[element] = custom_element;
8327   *element_info[element].group = group_element_info;
8328 }
8329
8330 static void CopyClassicElementPropertiesToGame(int element)
8331 {
8332   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8333     setMoveIntoAcidProperty(&level, element,
8334                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8335
8336   if (MAYBE_DONT_COLLIDE_WITH(element))
8337     setDontCollideWithProperty(&level, element,
8338                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8339 }
8340
8341 static void CopyElementPropertiesToGame(int element)
8342 {
8343   if (IS_CUSTOM_ELEMENT(element))
8344     CopyCustomElementPropertiesToGame(element);
8345   else if (IS_GROUP_ELEMENT(element))
8346     CopyGroupElementPropertiesToGame(element);
8347   else
8348     CopyClassicElementPropertiesToGame(element);
8349 }
8350
8351 #if DEBUG
8352 static void CheckElementDescriptions(void)
8353 {
8354   int i;
8355
8356   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8357     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8358       Error(ERR_WARN, "no element description file for element '%s'",
8359             EL_NAME(i));
8360 }
8361 #endif
8362
8363 static int getMaxEdFieldX(boolean has_scrollbar)
8364 {
8365   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8366   int sxsize = SXSIZE - scrollbar_width;
8367   int max_ed_fieldx = sxsize / ed_tilesize;
8368
8369   return max_ed_fieldx;
8370 }
8371
8372 static int getMaxEdFieldY(boolean has_scrollbar)
8373 {
8374   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8375                          INFOTEXT_YSIZE_FULL : 0);
8376   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8377   int sysize = SYSIZE - scrollbar_height - infotext_height;
8378   int max_ed_fieldy = sysize / ed_tilesize;
8379
8380   return max_ed_fieldy;
8381 }
8382
8383 static void InitZoomLevelSettings(int zoom_tilesize)
8384 {
8385   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8386
8387   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8388   {
8389     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8390     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8391
8392     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8393     {
8394       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8395       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8396     }
8397   }
8398
8399   last_game_engine_type = level.game_engine_type;
8400
8401   // limit zoom tilesize by upper and lower bound
8402   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8403
8404   // store zoom tilesize in auto setup file only if it was manually changed
8405   if (zoom_tilesize != -1)
8406     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8407
8408   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8409   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8410 }
8411
8412 static void InitDrawingElements(void)
8413 {
8414   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8415
8416   if (level.game_engine_type == game_engine_type_last)
8417     return;
8418
8419   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8420   {
8421     new_element1 = EL_SP_CHIP_SINGLE;
8422     new_element2 = EL_EMPTY;
8423     new_element3 = EL_SP_BASE;
8424   }
8425   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8426   {
8427     new_element1 = EL_MM_MIRROR_START;
8428     new_element2 = EL_EMPTY;
8429     new_element3 = EL_MM_WOODEN_WALL;
8430   }
8431   else
8432   {
8433     new_element1 = EL_WALL;
8434     new_element2 = EL_EMPTY;
8435     new_element3 = EL_SAND;
8436   }
8437
8438   game_engine_type_last = level.game_engine_type;
8439 }
8440
8441 static void InitLevelSetInfo(void)
8442 {
8443   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8444            "%s", leveldir_current->name);
8445   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8446            "%s", leveldir_current->author);
8447
8448   levelset_num_levels = leveldir_current->levels;
8449
8450   levelset_use_levelset_artwork = FALSE;
8451   levelset_copy_level_template = FALSE;
8452
8453   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8454 }
8455
8456 static void ChangeEditorToLevelSet(char *levelset_subdir)
8457 {
8458   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8459
8460   // the previous level set might have used custom artwork
8461   ReloadCustomArtwork(0);
8462
8463   LoadLevelSetup_SeriesInfo();
8464
8465   SaveLevelSetup_LastSeries();
8466   SaveLevelSetup_SeriesInfo();
8467
8468   TapeErase();
8469
8470   LoadLevel(level_nr);
8471   LoadScore(level_nr);
8472
8473   DrawLevelEd();
8474 }
8475
8476 static boolean useEditorDoorAnimation(void)
8477 {
8478   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8479   boolean door_1_viewport_unchanged =
8480     (vp_door_1->x      == DX     &&
8481      vp_door_1->y      == DY     &&
8482      vp_door_1->width  == DXSIZE &&
8483      vp_door_1->height == DYSIZE);
8484   boolean door_1_contains_toolbox =
8485     (EX >= DX &&
8486      EY >= DY &&
8487      EX + EXSIZE <= DX + DXSIZE &&
8488      EY + EYSIZE <= DY + DYSIZE);
8489
8490   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8491 }
8492
8493 static void DrawEditorDoorContent(void)
8494 {
8495   // needed for gadgets drawn on background (like palette scrollbar)
8496   SetDoorBackgroundImage(IMG_UNDEFINED);
8497
8498   // copy default editor door content to main double buffer
8499   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8500              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8501              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8502              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8503              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8504              DX, DY);
8505
8506   // draw bigger door
8507   DrawSpecialEditorDoor();
8508
8509   // draw new control window
8510   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8511              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8512              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8513              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8514              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8515              EX, EY);
8516
8517   // draw all toolbox gadgets to editor doors
8518   MapControlButtons();
8519
8520   // draw all palette gadgets to editor doors
8521   ModifyEditorElementList();
8522   RedrawDrawingElements();
8523
8524   // copy actual editor door content to door double buffer for OpenDoor()
8525   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8526 }
8527
8528 void DrawLevelEd(void)
8529 {
8530   int fade_mask = REDRAW_FIELD;
8531
8532   FadeSoundsAndMusic();
8533
8534   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8535     fade_mask = REDRAW_ALL;
8536
8537   FadeOut(fade_mask);
8538
8539   // needed if different viewport properties defined for editor
8540   ChangeViewportPropertiesIfNeeded();
8541
8542   ClearField();
8543
8544   InitZoomLevelSettings(-1);
8545   InitDrawingElements();
8546   InitLevelSetInfo();
8547
8548 #if DEBUG
8549   CheckElementDescriptions();
8550 #endif
8551
8552   if (level_editor_test_game)
8553   {
8554     CopyPlayfield(level.field, Feld);
8555     CopyPlayfield(FieldBackup, level.field);
8556
8557     level_editor_test_game = FALSE;
8558   }
8559   else
8560   {
8561     edit_mode = ED_MODE_DRAWING;
8562     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8563     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8564
8565     ResetUndoBuffer();
8566
8567     level_xpos = -1;
8568     level_ypos = -1;
8569   }
8570
8571   // redraw_mask |= REDRAW_ALL;
8572
8573   FreeLevelEditorGadgets();
8574   CreateLevelEditorGadgets();
8575
8576   ReinitializeElementList();            // update dynamic level element list
8577   ReinitializeElementListButtons();     // custom element may look different
8578
8579   InitElementPropertiesGfxElement();
8580
8581   UnmapAllGadgets();
8582
8583   DrawEditModeWindow_PlayfieldOnly();
8584
8585   DrawMaskedBorder(fade_mask);
8586
8587   // use door animation if door 1 viewport is unchanged and contains toolbox
8588   if (useEditorDoorAnimation())
8589   {
8590     FadeIn(fade_mask);
8591
8592     DrawEditorDoorContent();
8593
8594     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8595   }
8596   else
8597   {
8598     DrawEditorDoorContent();
8599
8600     FadeIn(fade_mask);
8601   }
8602
8603   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8604 }
8605
8606 static void AdjustDrawingAreaGadgets(void)
8607 {
8608   int ed_xsize = lev_fieldx + 2;
8609   int ed_ysize = lev_fieldy + 2;
8610   int max_ed_fieldx = MAX_ED_FIELDX;
8611   int max_ed_fieldy = MAX_ED_FIELDY;
8612   boolean horizontal_scrollbar_needed;
8613   boolean vertical_scrollbar_needed;
8614   int x, y, width, height;
8615
8616   if (suppressBorderElement())
8617   {
8618     ed_xsize = max_ed_fieldx;
8619     ed_ysize = max_ed_fieldy;
8620   }
8621
8622   // check if we need any scrollbars
8623   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8624   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8625
8626   // check if we have a smaller editor field because of scrollbars
8627   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8628   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8629
8630   // check again if we now need more scrollbars because of less space
8631   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8632   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8633
8634   // check if editor field gets even smaller after adding new scrollbars
8635   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8636   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8637
8638   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8639   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8640
8641   x = SX + ed_fieldx * ed_tilesize;
8642   y = SY + ed_fieldy * ed_tilesize;
8643
8644   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8645   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8646
8647   // adjust drawing area gadget
8648   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8649                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8650                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8651                GDI_END);
8652
8653   // adjust horizontal scrollbar gadgets
8654   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8655                GDI_Y, y,
8656                GDI_END);
8657   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8658                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8659                GDI_Y, y,
8660                GDI_END);
8661   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8662                GDI_Y, y,
8663                GDI_WIDTH, width,
8664                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8665                GDI_END);
8666
8667   // adjust vertical scrollbar gadgets
8668   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8669                GDI_X, x,
8670                GDI_END);
8671   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8672                GDI_X, x,
8673                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8674                GDI_END);
8675   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8676                GDI_X, x,
8677                GDI_HEIGHT, height,
8678                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8679                GDI_END);
8680 }
8681
8682 static void AdjustLevelScrollPosition(void)
8683 {
8684   if (level_xpos < -1)
8685     level_xpos = -1;
8686   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8687     level_xpos = lev_fieldx - ed_fieldx + 1;
8688   if (lev_fieldx < ed_fieldx - 2)
8689     level_xpos = -1;
8690
8691   if (level_ypos < -1)
8692     level_ypos = -1;
8693   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8694     level_ypos = lev_fieldy - ed_fieldy + 1;
8695   if (lev_fieldy < ed_fieldy - 2)
8696     level_ypos = -1;
8697
8698   if (suppressBorderElement())
8699   {
8700     level_xpos = 0;
8701     level_ypos = 0;
8702   }
8703 }
8704
8705 static void AdjustEditorScrollbar(int id)
8706 {
8707   struct GadgetInfo *gi = level_editor_gadget[id];
8708   int items_max, items_visible, item_position;
8709
8710   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8711   {
8712     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8713     items_visible = ed_fieldx;
8714     item_position = level_xpos + 1;
8715   }
8716   else
8717   {
8718     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8719     items_visible = ed_fieldy;
8720     item_position = level_ypos + 1;
8721   }
8722
8723   if (item_position > items_max - items_visible)
8724     item_position = items_max - items_visible;
8725
8726   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8727                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8728 }
8729
8730 static void AdjustElementListScrollbar(void)
8731 {
8732   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8733   int items_max, items_visible, item_position;
8734
8735   // correct position of element list scrollbar
8736   if (element_shift < 0)
8737     element_shift = 0;
8738   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8739     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8740
8741   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8742   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8743   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8744
8745   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8746                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8747                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8748 }
8749
8750 static void ModifyEditorCounterValue(int counter_id, int new_value)
8751 {
8752   int *counter_value = counterbutton_info[counter_id].value;
8753   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8754   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8755
8756   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8757
8758   if (counter_value != NULL)
8759     *counter_value = gi->textinput.number_value;
8760 }
8761
8762 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8763 {
8764   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8765   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8766
8767   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8768
8769   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8770       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8771   {
8772     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8773     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8774
8775     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8776     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8777                  GDI_END);
8778   }
8779 }
8780
8781 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8782 {
8783   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8784   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8785   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8786
8787   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8788 }
8789
8790 static void ModifyEditorSelectboxOptions(int selectbox_id,
8791                                          struct ValueTextInfo *options)
8792 {
8793   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8794   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8795
8796   selectbox_info[selectbox_id].options = options;
8797
8798   // set index to zero -- list may be shorter now (correct later, if needed)
8799   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8800                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8801 }
8802
8803 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8804 {
8805   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8806   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8807
8808   drawingarea_info[drawingarea_id].area_xsize = xsize;
8809   drawingarea_info[drawingarea_id].area_ysize = ysize;
8810
8811   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8812 }
8813
8814 static void ModifyEditorElementList(void)
8815 {
8816   int i;
8817
8818   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8819     return;
8820
8821   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8822   {
8823     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8824     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8825     struct GadgetDesign *gd = &gi->deco.design;
8826     int element = editor_elements[element_shift + i];
8827     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8828
8829     UnmapGadget(gi);
8830
8831     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8832
8833     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8834
8835     MapGadget(gi);
8836   }
8837 }
8838
8839 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8840 {
8841   int graphic = el2edimg(element);
8842   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8843
8844   if (pos->x == -1 &&
8845       pos->y == -1)
8846     return;
8847
8848   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8849 }
8850
8851 static void ModifyDrawingElementButton(int element, int id)
8852 {
8853   struct GadgetInfo *gi = level_editor_gadget[id];
8854   Bitmap *deco_bitmap;
8855   int deco_x, deco_y;
8856   int tile_size = gi->deco.width;
8857
8858   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8859
8860   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8861 }
8862
8863 static void PickDrawingElement(int button, int element)
8864 {
8865   struct
8866   {
8867     int *new_element;
8868     struct XYTileSize *pos;
8869     int id;
8870   } de, drawing_elements[] =
8871   {
8872     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8873     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8874     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8875   };
8876
8877   if (button < 1 || button > 3)
8878     return;
8879
8880   if (IS_MM_WALL(element))
8881     element = map_mm_wall_element(element);
8882
8883   de = drawing_elements[button - 1];
8884
8885   *de.new_element = element;    // update global drawing element variable
8886
8887   DrawDrawingElementGraphic(element, de.pos);
8888   ModifyDrawingElementButton(element, de.id);
8889
8890   redraw_mask |= REDRAW_DOOR_1;
8891 }
8892
8893 static void RedrawDrawingElements(void)
8894 {
8895   PickDrawingElement(1, new_element1);
8896   PickDrawingElement(2, new_element2);
8897   PickDrawingElement(3, new_element3);
8898 }
8899
8900 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8901 {
8902   stick_element_properties_window = FALSE;
8903
8904   SetMainBackgroundImage(IMG_UNDEFINED);
8905   ClearField();
8906
8907   UnmapLevelEditorFieldGadgets();
8908
8909   AdjustDrawingAreaGadgets();
8910   AdjustLevelScrollPosition();
8911   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8912   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8913
8914   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8915
8916   MapMainDrawingArea();
8917
8918   if (remap_toolbox_gadgets)
8919   {
8920     UnmapLevelEditorToolboxCustomGadgets();
8921     MapLevelEditorToolboxDrawingGadgets();
8922   }
8923 }
8924
8925 static void DrawDrawingWindow(void)
8926 {
8927   DrawDrawingWindowExt(TRUE);
8928 }
8929
8930 static int getTabulatorBarWidth(void)
8931 {
8932   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8933   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8934
8935   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8936 }
8937
8938 static int getTabulatorBarHeight(void)
8939 {
8940   return ED_TAB_BAR_HEIGHT;
8941 }
8942
8943 static Pixel getTabulatorBarColor(void)
8944 {
8945   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8946   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8947   int gd_x = gd->x + gd_gi1->border.width / 2;
8948   int gd_y = gd->y + gd_gi1->height - 1;
8949
8950   return GetPixel(gd->bitmap, gd_x, gd_y);
8951 }
8952
8953 static void DrawLevelInfoTabulatorGadgets(void)
8954 {
8955   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8956   Pixel tab_color = getTabulatorBarColor();
8957   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8958   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8959   int i;
8960
8961   for (i = id_first; i <= id_last; i++)
8962   {
8963     int gadget_id = textbutton_info[i].gadget_id;
8964     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8965     boolean active = (i != edit_mode_levelinfo);
8966
8967     // draw background line below tabulator button
8968     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8969
8970     // draw solid line below inactive tabulator buttons
8971     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
8972       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8973                     ED_GADGET_TINY_DISTANCE, tab_color);
8974
8975     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8976     MapTextbuttonGadget(i);
8977   }
8978
8979   // draw little border line below tabulator buttons
8980   if (tab_color != BLACK_PIXEL)                 // black => transparent
8981     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8982                   ED_GADGET_TINY_DISTANCE,
8983                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8984 }
8985
8986 static void DrawPropertiesTabulatorGadgets(void)
8987 {
8988   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8989   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8990   int gd_x = gd->x + gd_gi1->border.width / 2;
8991   int gd_y = gd->y + gd_gi1->height - 1;
8992   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8993   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8994   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8995   int i;
8996
8997   // draw two config tabulators for player elements
8998   if (ELEM_IS_PLAYER(properties_element))
8999     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9000
9001   // draw two config and one "change" tabulator for custom elements
9002   if (IS_CUSTOM_ELEMENT(properties_element))
9003     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9004
9005   for (i = id_first; i <= id_last; i++)
9006   {
9007     int gadget_id = textbutton_info[i].gadget_id;
9008     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9009     boolean active = (i != edit_mode_properties);
9010
9011     // use "config 1" and "config 2" instead of "config" for players and CEs
9012     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9013         (ELEM_IS_PLAYER(properties_element) ||
9014          IS_CUSTOM_ELEMENT(properties_element)))
9015       continue;
9016
9017     // draw background line below tabulator button
9018     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9019
9020     // draw solid line below inactive tabulator buttons
9021     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9022       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9023                     ED_GADGET_TINY_DISTANCE, tab_color);
9024
9025     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9026     MapTextbuttonGadget(i);
9027   }
9028
9029   // draw little border line below tabulator buttons
9030   if (tab_color != BLACK_PIXEL)                 // black => transparent
9031     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9032                   ED_GADGET_TINY_DISTANCE,
9033                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9034 }
9035
9036 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9037 {
9038   DrawText(SX + xpos, SY + ypos, text, font_nr);
9039 }
9040
9041 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9042                                            int xpos, int ypos)
9043 {
9044   int font_width = getFontWidth(font_nr);
9045   int font_height = getFontHeight(font_nr);
9046   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9047   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9048
9049   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9050                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9051                       TRUE, FALSE, FALSE);
9052 }
9053
9054 static void DrawLevelInfoLevel(void)
9055 {
9056   int i;
9057
9058   // draw counter gadgets
9059   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9060     MapCounterButtons(i);
9061
9062   // draw checkbutton gadgets
9063   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9064     MapCheckbuttonGadget(i);
9065
9066   // draw selectbox gadgets
9067   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9068     MapSelectboxGadget(i);
9069
9070   // draw text input gadgets
9071   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9072     MapTextInputGadget(i);
9073 }
9074
9075 static char *getLevelSubdirFromSaveMode(int save_mode)
9076 {
9077   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9078     return getNewUserLevelSubdir();
9079
9080   return leveldir_current->subdir;
9081 }
9082
9083 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9084 {
9085   char *directory_text = "Level set directory:";
9086   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9087   int font1_nr = FONT_TEXT_1;
9088   int font2_nr = FONT_TEXT_2;
9089   int font1_height = getFontHeight(font1_nr);
9090   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9091   int x = ED_LEVEL_SETTINGS_X(0);
9092   int y = ED_LEVEL_SETTINGS_Y(6);
9093
9094   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9095   PrintInfoText(directory_name, font2_nr, x, y);
9096 }
9097
9098 static void DrawLevelInfoLevelSet(void)
9099 {
9100   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9101   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9102   int i;
9103
9104   // draw counter gadgets
9105   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9106     MapCounterButtons(i);
9107
9108   // draw checkbutton gadgets
9109   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9110   {
9111     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9112         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9113         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9114       continue;
9115
9116     MapCheckbuttonGadget(i);
9117   }
9118
9119   // draw selectbox gadgets
9120   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9121     MapSelectboxGadget(i);
9122
9123   // draw text input gadgets
9124   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9125     MapTextInputGadget(i);
9126
9127   // draw textbutton gadgets
9128   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9129
9130   // draw info text
9131   DrawLevelInfoLevelSet_DirectoryInfo();
9132 }
9133
9134 static void DrawLevelInfoEditor(void)
9135 {
9136   int i;
9137
9138   // draw counter gadgets
9139   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9140     MapCounterButtons(i);
9141
9142   // draw checkbutton gadgets
9143   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9144     MapCheckbuttonGadget(i);
9145
9146   // draw radiobutton gadgets
9147   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9148     MapRadiobuttonGadget(i);
9149
9150   // draw drawing area
9151   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9152
9153   // draw textbutton gadgets
9154   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9155 }
9156
9157 static void DrawLevelInfoWindow(void)
9158 {
9159   char *text = "Global Settings";
9160   int font_nr = FONT_TITLE_1;
9161   struct MenuPosInfo *pos = &editor.settings.headline;
9162   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9163   int sy = SY + pos->y;
9164
9165   stick_element_properties_window = FALSE;
9166
9167   SetAutomaticNumberOfGemsNeeded();
9168
9169   UnmapLevelEditorFieldGadgets();
9170
9171   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9172   ClearField();
9173
9174   DrawText(sx, sy, text, font_nr);
9175
9176   DrawLevelInfoTabulatorGadgets();
9177
9178   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9179     DrawLevelInfoLevel();
9180   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9181     DrawLevelInfoLevelSet();
9182   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9183     DrawLevelInfoEditor();
9184 }
9185
9186 static void DrawCustomContentArea(void)
9187 {
9188   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9189   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9190   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9191   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9192   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9193   int xoffset = ED_GADGET_SPACE_DISTANCE;
9194
9195   // add distance for potential left text (without drawing area border)
9196   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9197
9198   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9199
9200   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9201 }
9202
9203 static void DrawCustomChangeContentArea(void)
9204 {
9205   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9206   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9207   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9208   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9209   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9210   int xoffset = ED_GADGET_SPACE_DISTANCE;
9211
9212   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9213
9214   MapDrawingArea(id);
9215 }
9216
9217 static void RemoveElementContentArea(int id, int font_height)
9218 {
9219   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9220
9221   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9222                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9223                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9224                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9225                  ED_GADGET_TEXT_DISTANCE + font_height);
9226 }
9227
9228 static void DrawYamYamContentAreas(void)
9229 {
9230   int font_nr = FONT_TEXT_1;
9231   int font_height = getFontHeight(font_nr);
9232   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9233   int yoffset = (tilesize - font_height) / 2;
9234   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9235   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9236   int i;
9237
9238   // display counter to choose number of element content areas
9239   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9240
9241   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9242   {
9243     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9244
9245     if (i < level.num_yamyam_contents)
9246     {
9247       MapDrawingArea(id);
9248     }
9249     else
9250     {
9251       UnmapDrawingArea(id);
9252
9253       // delete content areas in case of reducing number of them
9254       RemoveElementContentArea(id, font_height);
9255     }
9256   }
9257
9258   DrawText(x, y + 0 * tilesize, "content", font_nr);
9259   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9260   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9261 }
9262
9263 static void DrawMagicBallContentAreas(void)
9264 {
9265   int font_nr = FONT_TEXT_1;
9266   int font_height = getFontHeight(font_nr);
9267   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9268   int yoffset = (tilesize - font_height) / 2;
9269   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9270   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9271   int i;
9272
9273   // display counter to choose number of element content areas
9274   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9275
9276   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9277   {
9278     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9279
9280     if (i < level.num_ball_contents)
9281     {
9282       MapDrawingArea(id);
9283     }
9284     else
9285     {
9286       UnmapDrawingArea(id);
9287
9288       // delete content areas in case of reducing number of them
9289       RemoveElementContentArea(id, font_height);
9290     }
9291   }
9292
9293   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9294   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9295   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9296 }
9297
9298 static void DrawAndroidElementArea(int element)
9299 {
9300   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9301   int num_elements = level.num_android_clone_elements;
9302   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9303   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9304   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9305   int xsize = MAX_ANDROID_ELEMENTS;
9306   int ysize = 1;
9307
9308   // display counter to choose number of element areas
9309   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9310
9311   if (drawingarea_info[id].text_left != NULL)
9312     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9313
9314   UnmapDrawingArea(id);
9315
9316   ModifyEditorDrawingArea(id, num_elements, 1);
9317
9318   // delete content areas in case of reducing number of them
9319   DrawBackground(sx, sy,
9320                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9321                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9322
9323   MapDrawingArea(id);
9324 }
9325
9326 static void DrawGroupElementArea(int element)
9327 {
9328   int id = ED_DRAWING_ID_GROUP_CONTENT;
9329   int num_elements = group_element_info.num_elements;
9330   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9331   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9332   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9333   int xsize = MAX_ELEMENTS_IN_GROUP;
9334   int ysize = 1;
9335
9336   if (drawingarea_info[id].text_left != NULL)
9337     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9338
9339   UnmapDrawingArea(id);
9340
9341   ModifyEditorDrawingArea(id, num_elements, 1);
9342
9343   // delete content areas in case of reducing number of them
9344   DrawBackground(sx, sy,
9345                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9346                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9347
9348   MapDrawingArea(id);
9349 }
9350
9351 static void DrawPlayerInitialInventoryArea(int element)
9352 {
9353   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9354   int player_nr = GET_PLAYER_NR(element);
9355   int num_elements = level.initial_inventory_size[player_nr];
9356   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9357   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9358   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9359   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9360   int ysize = 1;
9361
9362   // determine horizontal position to the right of specified gadget
9363   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9364     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9365           ED_DRAWINGAREA_TEXT_DISTANCE);
9366
9367   // determine horizontal offset for leading text
9368   if (drawingarea_info[id].text_left != NULL)
9369     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9370
9371   UnmapDrawingArea(id);
9372
9373   ModifyEditorDrawingArea(id, num_elements, 1);
9374
9375   // delete content areas in case of reducing number of them
9376   DrawBackground(sx, sy,
9377                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9378                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9379
9380   MapDrawingArea(id);
9381 }
9382
9383 static void DrawEnvelopeTextArea(int envelope_nr)
9384 {
9385   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9386   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9387
9388   UnmapGadget(gi);
9389   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9390
9391   if (envelope_nr != -1)
9392     textarea_info[id].value = level.envelope[envelope_nr].text;
9393
9394   ModifyGadget(gi, GDI_AREA_SIZE,
9395                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9396                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9397                GDI_END);
9398
9399   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9400 }
9401
9402 static void DrawPropertiesInfo(void)
9403 {
9404   static struct
9405   {
9406     int value;
9407     char *text;
9408   }
9409   properties[] =
9410   {
9411     // configurable properties
9412
9413     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9414     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9415     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9416     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9417     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9418     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9419     { EP_PROTECTED,             "- player is protected by it"           },
9420
9421     { EP_DIGGABLE,              "- can be digged away"                  },
9422     { EP_COLLECTIBLE,           "- can be collected"                    },
9423     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9424     { EP_THROWABLE,             "- can be thrown after collecting"      },
9425     { EP_PUSHABLE,              "- can be pushed"                       },
9426
9427     { EP_CAN_FALL,              "- can fall"                            },
9428     { EP_CAN_MOVE,              "- can move"                            },
9429
9430     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9431 #if 0
9432     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9433 #endif
9434     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9435
9436     { EP_SLIPPERY,              "- slippery for falling elements"       },
9437     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9438
9439     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9440     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9441     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9442     { EP_DONT_TOUCH,            "- deadly when touching"                },
9443
9444     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9445
9446     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9447     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9448     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9449
9450     { EP_CAN_CHANGE,            "- can change to other element"         },
9451
9452     // pre-defined properties
9453     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9454     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9455     { EP_SWITCHABLE,            "- can be switched"                     },
9456 #if 0
9457     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9458 #endif
9459
9460     { -1,                       NULL                                    }
9461   };
9462   char *filename = getElementDescriptionFilename(properties_element);
9463   char *percentage_text = "In this level: ";
9464   char *properties_text = "Standard properties: ";
9465   char *description_text = "Description:";
9466   char *no_description_text = "No description available.";
9467   char *none_text = "None";
9468   float percentage;
9469   int num_elements_in_level;
9470   int num_standard_properties = 0;
9471   int font1_nr = FONT_TEXT_1;
9472   int font2_nr = FONT_TEXT_2;
9473   int font1_width = getFontWidth(font1_nr);
9474   int font1_height = getFontHeight(font1_nr);
9475   int font2_height = getFontHeight(font2_nr);
9476   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9477   int font2_yoffset = (font1_height - font2_height) / 2;
9478   int percentage_text_len = strlen(percentage_text) * font1_width;
9479   int properties_text_len = strlen(properties_text) * font1_width;
9480   int xpos = ED_ELEMENT_SETTINGS_X(0);
9481   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9482   int i, x, y;
9483
9484   if (setup.editor.show_element_token)
9485   {
9486     int font3_nr = FONT_TEXT_3;
9487     int font3_height = getFontHeight(font3_nr);
9488
9489     DrawTextF(xpos, ypos, font3_nr,
9490               "[%s]", element_info[properties_element].token_name);
9491
9492     ypos += 2 * font3_height;
9493   }
9494
9495   // ----- print number of elements / percentage of this element in level
9496
9497   num_elements_in_level = 0;
9498   for (y = 0; y < lev_fieldy; y++)
9499     for (x = 0; x < lev_fieldx; x++)
9500       if (Feld[x][y] == properties_element)
9501         num_elements_in_level++;
9502   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9503
9504   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9505
9506   if (num_elements_in_level > 0)
9507     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9508               "%d (%.2f %%)", num_elements_in_level, percentage);
9509   else
9510     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9511               none_text);
9512
9513   ypos += 2 * MAX(font1_height, font2_height);
9514
9515   // ----- print standard properties of this element
9516
9517   DrawTextS(xpos, ypos, font1_nr, properties_text);
9518
9519   ypos += line1_height;
9520
9521   for (i = 0; properties[i].value != -1; i++)
9522   {
9523     if (!HAS_PROPERTY(properties_element, properties[i].value))
9524       continue;
9525
9526     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9527
9528     ypos += font2_height;
9529
9530     num_standard_properties++;
9531   }
9532
9533   if (num_standard_properties == 0)
9534   {
9535     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9536               font2_nr, none_text);
9537
9538     ypos -= (line1_height - font1_height);
9539   }
9540
9541   ypos += MAX(font1_height, font2_height);
9542
9543   // ----- print special description of this element
9544
9545   PrintInfoText(description_text, font1_nr, xpos, ypos);
9546
9547   ypos += line1_height;
9548
9549   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9550     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9551 }
9552
9553 #define TEXT_COLLECTING         "Score for collecting"
9554 #define TEXT_SMASHING           "Score for smashing"
9555 #define TEXT_SLURPING           "Score for slurping robot"
9556 #define TEXT_CRACKING           "Score for cracking"
9557 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9558 #define TEXT_DURATION           "Duration when activated"
9559 #define TEXT_DELAY_ON           "Delay before activating"
9560 #define TEXT_DELAY_OFF          "Delay before deactivating"
9561 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9562 #define TEXT_DELAY_MOVING       "Delay before moving"
9563 #define TEXT_BALL_DELAY         "Element generation delay"
9564 #define TEXT_MOVE_SPEED         "Speed of android moving"
9565 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9566 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9567 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9568 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9569 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9570 #define TEXT_TIME_BONUS         "Extra time to solve level"
9571
9572 static struct
9573 {
9574   int element;
9575   int *value;
9576   char *text;
9577 } elements_with_counter[] =
9578 {
9579   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9580   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9581   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9582   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9583   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9584   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9585   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9586   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9587   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9588   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9589   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9590   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9591   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9592   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9593   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9594   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9595   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9596   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9597   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9598   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9599   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9600   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9601   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9602   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9603   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9604   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9605   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9606   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9607   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9608   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9609   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9610   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9611   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9612   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9613   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9614   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9615   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9616   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9617   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9618   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9619   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9620   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9621   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9622   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9623   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9624   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9625   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9626   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9627   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9628   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9629   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9630   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9631   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9632   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9633   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9634   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9635   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9636   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9637   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9638   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9639   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9640   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9641   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9642   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9643   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9644   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9645   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9646   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9647   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9648   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9649   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9650   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9651   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9652   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9653   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9654   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9655   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9656   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9657   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9658   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9659   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9660   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9661   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9662
9663   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9664   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9665   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9666   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9667   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9668   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9669   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9670   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9671   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9672   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9673   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9674   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9675   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9676   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9677   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9678   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9679
9680   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9681   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9682   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9683   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9684   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9685   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9686   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9687   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9688   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9689   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9690   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9691   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9692   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9693
9694   { -1,                 NULL,                           NULL            }
9695 };
9696
9697 static boolean checkPropertiesConfig(int element)
9698 {
9699   int i;
9700
9701   if (IS_GEM(element) ||
9702       IS_CUSTOM_ELEMENT(element) ||
9703       IS_GROUP_ELEMENT(element) ||
9704       IS_BALLOON_ELEMENT(element) ||
9705       IS_ENVELOPE(element) ||
9706       IS_MM_MCDUFFIN(element) ||
9707       IS_DF_LASER(element) ||
9708       ELEM_IS_PLAYER(element) ||
9709       HAS_EDITOR_CONTENT(element) ||
9710       CAN_GROW(element) ||
9711       COULD_MOVE_INTO_ACID(element) ||
9712       MAYBE_DONT_COLLIDE_WITH(element) ||
9713       element == EL_SOKOBAN_OBJECT ||
9714       element == EL_SOKOBAN_FIELD_EMPTY ||
9715       element == EL_SOKOBAN_FIELD_FULL)
9716     return TRUE;
9717   else
9718     for (i = 0; elements_with_counter[i].element != -1; i++)
9719       if (elements_with_counter[i].element == element)
9720         return TRUE;
9721
9722   return FALSE;
9723 }
9724
9725 static void SetAutomaticNumberOfGemsNeeded(void)
9726 {
9727   int x, y;
9728
9729   if (!level.auto_count_gems)
9730     return;
9731
9732   level.gems_needed = 0;
9733
9734   for (x = 0; x < lev_fieldx; x++)
9735   {
9736     for (y = 0; y < lev_fieldy; y++)
9737     {
9738       int element = Feld[x][y];
9739
9740       if (IS_GEM(element) ||
9741           element == EL_MM_KETTLE ||
9742           element == EL_DF_CELL)
9743         level.gems_needed++;
9744     }
9745   }
9746
9747   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9748 }
9749
9750 static void DrawPropertiesConfig(void)
9751 {
9752   boolean draw_footer_line = FALSE;
9753   int max_num_element_counters = 4;
9754   int num_element_counters = 0;
9755   int i;
9756
9757   if (!checkPropertiesConfig(properties_element))
9758   {
9759     int xpos = ED_ELEMENT_SETTINGS_X(0);
9760     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9761
9762     PrintInfoText("No configuration options available.",
9763                   FONT_TEXT_1, xpos, ypos);
9764
9765     return;
9766   }
9767
9768   // check if there are elements where a value can be chosen for
9769   for (i = 0; elements_with_counter[i].element != -1; i++)
9770   {
9771     if (elements_with_counter[i].element == properties_element)
9772     {
9773       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9774
9775       counterbutton_info[counter_id].y =
9776         ED_ELEMENT_SETTINGS_YPOS(
9777                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9778                 (CAN_GROW(properties_element)                ? 1 : 0) +
9779                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9780                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9781                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9782                 num_element_counters);
9783
9784       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9785       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9786
9787       if (properties_element == EL_GAME_OF_LIFE ||
9788           properties_element == EL_BIOMAZE)
9789       {
9790         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9791         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9792       }
9793       else
9794       {
9795         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9796         counterbutton_info[counter_id].min_value = MIN_SCORE;
9797         counterbutton_info[counter_id].max_value = MAX_SCORE;
9798       }
9799
9800       MapCounterButtons(counter_id);
9801
9802       num_element_counters++;
9803       if (num_element_counters >= max_num_element_counters)
9804         break;
9805     }
9806   }
9807
9808   if (HAS_EDITOR_CONTENT(properties_element))
9809   {
9810     // draw stickybutton gadget
9811     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9812
9813     if (IS_AMOEBOID(properties_element))
9814       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9815     else if (properties_element == EL_YAMYAM ||
9816              properties_element == EL_YAMYAM_LEFT ||
9817              properties_element == EL_YAMYAM_RIGHT ||
9818              properties_element == EL_YAMYAM_UP ||
9819              properties_element == EL_YAMYAM_DOWN)
9820       DrawYamYamContentAreas();
9821     else if (properties_element == EL_EMC_MAGIC_BALL)
9822     {
9823       DrawMagicBallContentAreas();
9824
9825       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9826       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9827     }
9828     else if (properties_element == EL_EMC_ANDROID)
9829       DrawAndroidElementArea(properties_element);
9830   }
9831
9832   if (ELEM_IS_PLAYER(properties_element))
9833   {
9834     int player_nr = GET_PLAYER_NR(properties_element);
9835
9836     // these properties can be set for every player individually
9837
9838     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9839     {
9840       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9841         &level.start_element[player_nr];
9842       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9843         &level.artwork_element[player_nr];
9844       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9845         &level.explosion_element[player_nr];
9846
9847       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9848         &level.use_start_element[player_nr];
9849       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9850         &level.use_artwork_element[player_nr];
9851       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9852         &level.use_explosion_element[player_nr];
9853       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9854         &level.initial_player_gravity[player_nr];
9855
9856       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9857         &level.initial_player_stepsize[player_nr];
9858
9859       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9860       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9861                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9862                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9863       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9864       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9865       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9866       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9867       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9868       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9869       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9870       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9871       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9872       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9873       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9874
9875       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9876       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9877       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9878
9879       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9880     }
9881     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9882     {
9883       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9884         &level.initial_inventory_content[player_nr][0];
9885
9886       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9887         &level.initial_inventory_size[player_nr];
9888
9889       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9890         &level.use_initial_inventory[player_nr];
9891
9892       // draw checkbutton gadgets
9893       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9894
9895       // draw counter gadgets
9896       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9897
9898       // draw drawing area gadgets
9899       DrawPlayerInitialInventoryArea(properties_element);
9900     }
9901   }
9902
9903   if (IS_GEM(properties_element))
9904     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9905
9906   if (properties_element == EL_EM_DYNAMITE)
9907     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9908
9909   if (COULD_MOVE_INTO_ACID(properties_element) &&
9910       !ELEM_IS_PLAYER(properties_element) &&
9911       (!IS_CUSTOM_ELEMENT(properties_element) ||
9912        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9913   {
9914     // set position for checkbutton for "can move into acid"
9915     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9916       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9917     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9918       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9919                                IS_BALLOON_ELEMENT(properties_element) ||
9920                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9921
9922     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9923   }
9924
9925   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9926     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9927
9928   if (properties_element == EL_SPRING)
9929     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9930
9931   if (properties_element == EL_TIME_ORB_FULL)
9932     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9933
9934   if (properties_element == EL_GAME_OF_LIFE ||
9935       properties_element == EL_BIOMAZE)
9936     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
9937
9938   if (CAN_GROW(properties_element))
9939   {
9940     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9941       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9942
9943     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9944   }
9945
9946   if (properties_element == EL_SOKOBAN_OBJECT ||
9947       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9948       properties_element == EL_SOKOBAN_FIELD_FULL)
9949     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9950
9951   if (IS_BALLOON_ELEMENT(properties_element))
9952     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9953
9954   if (IS_ENVELOPE(properties_element))
9955   {
9956     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9957     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9958     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9959     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9960     int envelope_nr = properties_element - EL_ENVELOPE_1;
9961
9962     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9963     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9964
9965     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9966     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9967
9968     // display counter to choose size of envelope text area
9969     MapCounterButtons(counter1_id);
9970     MapCounterButtons(counter2_id);
9971
9972     // display checkbuttons to choose auto-wrap and alignment properties
9973     MapCheckbuttonGadget(button1_id);
9974     MapCheckbuttonGadget(button2_id);
9975
9976     DrawEnvelopeTextArea(envelope_nr);
9977   }
9978
9979   if (IS_MM_MCDUFFIN(properties_element))
9980   {
9981     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9982     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9983     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9984   }
9985
9986   if (IS_DF_LASER(properties_element))
9987   {
9988     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9989     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9990     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9991   }
9992
9993   if (IS_CUSTOM_ELEMENT(properties_element))
9994   {
9995     // draw stickybutton gadget
9996     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9997
9998     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9999     {
10000       // draw checkbutton gadgets
10001       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10002            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10003         MapCheckbuttonGadget(i);
10004
10005       // draw counter gadgets
10006       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10007            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10008         MapCounterButtons(i);
10009
10010       // draw selectbox gadgets
10011       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10012            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10013         MapSelectboxGadget(i);
10014
10015       // draw textbutton gadgets
10016       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10017
10018       // draw text input gadgets
10019       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10020
10021       // draw drawing area gadgets
10022       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10023
10024       draw_footer_line = TRUE;
10025     }
10026     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10027     {
10028       // draw checkbutton gadgets
10029       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10030            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10031         MapCheckbuttonGadget(i);
10032
10033       // draw counter gadgets
10034       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10035            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10036         MapCounterButtons(i);
10037
10038       // draw selectbox gadgets
10039       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10040            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10041         MapSelectboxGadget(i);
10042
10043       // draw drawing area gadgets
10044       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10045       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10046       DrawCustomContentArea();
10047     }
10048   }
10049   else if (IS_GROUP_ELEMENT(properties_element))
10050   {
10051     // draw stickybutton gadget
10052     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10053
10054     // draw checkbutton gadgets
10055     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10056     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10057
10058     // draw counter gadgets
10059     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10060
10061     // draw selectbox gadgets
10062     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10063
10064     // draw textbutton gadgets
10065     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10066
10067     // draw drawing area gadgets
10068     DrawGroupElementArea(properties_element);
10069
10070     // draw text input gadgets
10071     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10072
10073     // draw drawing area gadgets
10074     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10075
10076     draw_footer_line = TRUE;
10077   }
10078
10079   // draw little footer border line above CE/GE use/save template gadgets
10080   if (draw_footer_line)
10081   {
10082     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10083     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10084     int gd_x = gd->x + gd_gi1->border.width / 2;
10085     int gd_y = gd->y + gd_gi1->height - 1;
10086     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10087
10088     if (tab_color != BLACK_PIXEL)               // black => transparent
10089       FillRectangle(drawto,
10090                     SX + ED_ELEMENT_SETTINGS_X(0),
10091                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10092                     ED_TAB_BAR_HEIGHT,
10093                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10094   }
10095 }
10096
10097 static void DrawPropertiesChangeDrawingAreas(void)
10098 {
10099   if (IS_CUSTOM_ELEMENT(properties_element))
10100   {
10101     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10102     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10103     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10104
10105     DrawCustomChangeContentArea();
10106   }
10107
10108   redraw_mask |= REDRAW_FIELD;
10109 }
10110
10111 static void DrawPropertiesChange(void)
10112 {
10113   int i;
10114
10115   // needed to initially set selectbox options for special action options
10116   setSelectboxSpecialActionOptions();
10117
10118   // draw stickybutton gadget
10119   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10120
10121   // draw checkbutton gadgets
10122   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10123        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10124     MapCheckbuttonGadget(i);
10125
10126   // draw counter gadgets
10127   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10128        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10129     MapCounterButtons(i);
10130
10131   // draw selectbox gadgets
10132   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10133        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10134     MapSelectboxGadget(i);
10135
10136   // draw textbutton gadgets
10137   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10138        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10139     MapTextbuttonGadget(i);
10140
10141   // draw graphicbutton gadgets
10142   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10143        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10144     MapGraphicbuttonGadget(i);
10145
10146   // draw drawing area gadgets
10147   DrawPropertiesChangeDrawingAreas();
10148 }
10149
10150 static void DrawEditorElementAnimation(int x, int y)
10151 {
10152   int graphic = el2img(properties_element);
10153   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10154                custom_element.ce_value_fixed_initial :
10155                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10156                custom_element.collect_score_initial : FrameCounter);
10157
10158   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10159 }
10160
10161 static void DrawEditorElementName(int x, int y, int font_nr)
10162 {
10163   char *element_name = getElementInfoText(properties_element);
10164   int font_width = getFontWidth(font_nr);
10165   int font_height = getFontHeight(font_nr);
10166   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10167   int max_chars_per_line = max_text_width / font_width;
10168   char buffer[max_chars_per_line + 1];
10169
10170   if (strlen(element_name) <= max_chars_per_line)
10171     DrawTextS(x, y, font_nr, element_name);
10172   else
10173   {
10174     int next_pos = max_chars_per_line;
10175
10176     strncpy(buffer, element_name, max_chars_per_line);
10177     buffer[max_chars_per_line] = '\0';
10178
10179     if (element_name[max_chars_per_line] == ' ')
10180       next_pos++;
10181     else
10182     {
10183       int i;
10184
10185       for (i = max_chars_per_line - 1; i >= 0; i--)
10186         if (buffer[i] == ' ')
10187           break;
10188
10189       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10190       {
10191         buffer[i] = '\0';
10192         next_pos = i + 1;
10193       }
10194     }
10195
10196     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10197
10198     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10199     buffer[max_chars_per_line] = '\0';
10200
10201     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10202   }
10203 }
10204
10205 static void DrawPropertiesWindow(void)
10206 {
10207   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10208   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10209   int border_size = gd->border_size;
10210   int font_nr = FONT_TEXT_1;
10211   int font_height = getFontHeight(font_nr);
10212   int xoffset = TILEX + element_border + 3 * border_size;
10213   int yoffset = (TILEY - font_height) / 2;
10214   int x1 = editor.settings.element_graphic.x + element_border;
10215   int y1 = editor.settings.element_graphic.y + element_border;
10216   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10217             editor.settings.element_name.x);
10218   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10219             editor.settings.element_name.y);
10220   char *text = "Element Settings";
10221   int font2_nr = FONT_TITLE_1;
10222   struct MenuPosInfo *pos = &editor.settings.headline;
10223   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10224   int sy = SY + pos->y;
10225
10226   stick_element_properties_window = FALSE;
10227
10228   // make sure that previous properties edit mode exists for this element
10229   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10230       !IS_CUSTOM_ELEMENT(properties_element))
10231     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10232
10233   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10234       !ELEM_IS_PLAYER(properties_element) &&
10235       !IS_CUSTOM_ELEMENT(properties_element))
10236     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10237
10238   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10239       (ELEM_IS_PLAYER(properties_element) ||
10240        IS_CUSTOM_ELEMENT(properties_element)))
10241     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10242
10243   CopyElementPropertiesToEditor(properties_element);
10244
10245   UnmapLevelEditorFieldGadgets();
10246   UnmapLevelEditorToolboxDrawingGadgets();
10247   UnmapLevelEditorToolboxCustomGadgets();
10248
10249   if (IS_CUSTOM_ELEMENT(properties_element) ||
10250       IS_GROUP_ELEMENT(properties_element))
10251     MapLevelEditorToolboxCustomGadgets();
10252
10253   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10254   ClearField();
10255
10256   DrawText(sx, sy, text, font2_nr);
10257
10258   FrameCounter = 0;     // restart animation frame counter
10259
10260   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10261   DrawEditorElementAnimation(SX + x1, SY + y1);
10262   DrawEditorElementName(x2, y2, font_nr);
10263
10264   DrawPropertiesTabulatorGadgets();
10265
10266   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10267     DrawPropertiesInfo();
10268   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10269     DrawPropertiesChange();
10270   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10271     DrawPropertiesConfig();
10272 }
10273
10274 static void DrawPaletteWindow(void)
10275 {
10276   int i;
10277
10278   UnmapLevelEditorFieldGadgets();
10279
10280   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10281   ClearField();
10282
10283   // map buttons to select elements
10284   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10285     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10286   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10287   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10288   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10289 }
10290
10291 static void UpdateCustomElementGraphicGadgets(void)
10292 {
10293   int i;
10294
10295   InitElementPropertiesGfxElement();
10296
10297   ModifyEditorElementList();
10298   RedrawDrawingElements();
10299
10300   // force redraw of all mapped drawing area gadgets
10301   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10302   {
10303     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10304
10305     if (gi->mapped)
10306       MapDrawingArea(i);
10307   }
10308 }
10309
10310 static int getOpenDirectionFromTube(int element)
10311 {
10312   switch (element)
10313   {
10314     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10315     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10316     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10317     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10318     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10319     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10320     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10321     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10322     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10323     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10324     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10325   }
10326
10327   return MV_NONE;
10328 }
10329
10330 static int getTubeFromOpenDirection(int direction)
10331 {
10332   switch (direction)
10333   {
10334     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10335     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10336     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10337     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10338     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10339     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10340     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10341     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10342     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10343     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10344     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10345
10346     // if only one direction, fall back to simple tube with that direction
10347     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10348     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10349     case (MV_UP):                       return EL_TUBE_VERTICAL;
10350     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10351   }
10352
10353   return EL_EMPTY;
10354 }
10355
10356 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10357 {
10358   int element_new = getTubeFromOpenDirection(direction);
10359
10360   return (element_new != EL_EMPTY ? element_new : element_old);
10361 }
10362
10363 static int getOpenDirectionFromBelt(int element)
10364 {
10365   int belt_dir = getBeltDirFromBeltElement(element);
10366
10367   return (belt_dir == MV_LEFT ? MV_RIGHT :
10368           belt_dir == MV_RIGHT ? MV_LEFT :
10369           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10370 }
10371
10372 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10373 {
10374   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10375                   direction == MV_RIGHT ? MV_LEFT :
10376                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10377
10378   if (direction == MV_NONE)
10379     return EL_EMPTY;
10380
10381   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10382 }
10383
10384 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10385                                                  int element_old)
10386 {
10387   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10388
10389   return (element_new != EL_EMPTY ? element_new : element_old);
10390 }
10391
10392 static int getOpenDirectionFromPool(int element)
10393 {
10394   switch (element)
10395   {
10396     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10397     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10398     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10399     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10400     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10401     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10402   }
10403
10404   return MV_NONE;
10405 }
10406
10407 static int getPoolFromOpenDirection(int direction)
10408 {
10409   switch (direction)
10410   {
10411     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10412     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10413     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10414     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10415     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10416     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10417   }
10418
10419   return EL_EMPTY;
10420 }
10421
10422 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10423 {
10424   int element = getPoolFromOpenDirection(direction);
10425   int help_direction = getOpenDirectionFromPool(help_element);
10426
10427   if (element == EL_EMPTY)
10428   {
10429     int help_direction_vertical = help_direction & MV_VERTICAL;
10430
10431     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10432   }
10433
10434   if (element == EL_EMPTY)
10435   {
10436     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10437
10438     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10439   }
10440
10441   return element;
10442 }
10443
10444 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10445 {
10446   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10447
10448   return (element_new != EL_EMPTY ? element_new : element_old);
10449 }
10450
10451 static int getOpenDirectionFromPillar(int element)
10452 {
10453   switch (element)
10454   {
10455     case EL_EMC_WALL_1:                 return (MV_DOWN);
10456     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10457     case EL_EMC_WALL_3:                 return (MV_UP);
10458   }
10459
10460   return MV_NONE;
10461 }
10462
10463 static int getPillarFromOpenDirection(int direction)
10464 {
10465   switch (direction)
10466   {
10467     case (MV_DOWN):                     return EL_EMC_WALL_1;
10468     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10469     case (MV_UP):                       return EL_EMC_WALL_3;
10470   }
10471
10472   return EL_EMPTY;
10473 }
10474
10475 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10476 {
10477   int element_new = getPillarFromOpenDirection(direction);
10478
10479   return (element_new != EL_EMPTY ? element_new : element_old);
10480 }
10481
10482 static int getOpenDirectionFromSteel2(int element)
10483 {
10484   switch (element)
10485   {
10486     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10487     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10488     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10489     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10490     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10491     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10492     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10493     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10494   }
10495
10496   return MV_NONE;
10497 }
10498
10499 static int getSteel2FromOpenDirection(int direction)
10500 {
10501   switch (direction)
10502   {
10503     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10504     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10505     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10506     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10507     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10508     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10509     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10510     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10511   }
10512
10513   return EL_EMPTY;
10514 }
10515
10516 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10517 {
10518   int element_new = getSteel2FromOpenDirection(direction);
10519
10520   return (element_new != EL_EMPTY ? element_new : element_old);
10521 }
10522
10523 static int getOpenDirectionFromChip(int element)
10524 {
10525   switch (element)
10526   {
10527     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10528     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10529     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10530     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10531     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10532   }
10533
10534   return MV_NONE;
10535 }
10536
10537 static int getChipFromOpenDirection(int direction)
10538 {
10539   switch (direction)
10540   {
10541     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10542     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10543     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10544     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10545     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10546   }
10547
10548   return EL_EMPTY;
10549 }
10550
10551 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10552 {
10553   int element_new = getChipFromOpenDirection(direction);
10554
10555   return (element_new != EL_EMPTY ? element_new : element_old);
10556 }
10557
10558 static int getClosedTube(int x, int y)
10559 {
10560   static int xy[4][2] =
10561   {
10562     { -1, 0 },
10563     { +1, 0 },
10564     { 0, -1 },
10565     { 0, +1 }
10566   };
10567   int element_old = IntelliDrawBuffer[x][y];
10568   int direction_old = getOpenDirectionFromTube(element_old);
10569   int direction_new = MV_NONE;
10570   int i;
10571
10572   for (i = 0; i < NUM_DIRECTIONS; i++)
10573   {
10574     int xx = x + xy[i][0];
10575     int yy = y + xy[i][1];
10576     int dir = MV_DIR_FROM_BIT(i);
10577     int dir_opposite = MV_DIR_OPPOSITE(dir);
10578
10579     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10580         (direction_old & dir) &&
10581         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10582       direction_new |= dir;
10583   }
10584
10585   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10586 }
10587
10588 static int getClosedBelt(int x, int y)
10589 {
10590   static int xy[4][2] =
10591   {
10592     { -1, 0 },
10593     { +1, 0 },
10594     { 0, -1 },
10595     { 0, +1 }
10596   };
10597   int element_old = IntelliDrawBuffer[x][y];
10598   int nr = getBeltNrFromBeltElement(element_old);
10599   int direction_old = getOpenDirectionFromBelt(element_old);
10600   int direction_new = MV_NONE;
10601   int i;
10602
10603   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10604   {
10605     int xx = x + xy[i][0];
10606     int yy = y + xy[i][1];
10607     int dir = MV_DIR_FROM_BIT(i);
10608     int dir_opposite = MV_DIR_OPPOSITE(dir);
10609
10610     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10611         (direction_old & dir) &&
10612         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10613       direction_new |= dir;
10614   }
10615
10616   return getBeltFromNrAndOpenDirection(nr, direction_new);
10617 }
10618
10619 static int getClosedPool(int x, int y)
10620 {
10621   static int xy[4][2] =
10622   {
10623     { -1, 0 },
10624     { +1, 0 },
10625     { 0, -1 },
10626     { 0, +1 }
10627   };
10628   int element_old = IntelliDrawBuffer[x][y];
10629   int direction_old = getOpenDirectionFromPool(element_old);
10630   int direction_new = MV_NONE;
10631   int i;
10632
10633   for (i = 0; i < NUM_DIRECTIONS; i++)
10634   {
10635     int xx = x + xy[i][0];
10636     int yy = y + xy[i][1];
10637     int dir = MV_DIR_FROM_BIT(i);
10638     int dir_opposite = MV_DIR_OPPOSITE(dir);
10639
10640     if (IN_LEV_FIELD(xx, yy) &&
10641         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10642         (direction_old & dir) &&
10643         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10644       direction_new |= dir;
10645   }
10646
10647   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10648 }
10649
10650 static int getClosedPillar(int x, int y)
10651 {
10652   static int xy[4][2] =
10653   {
10654     { -1, 0 },
10655     { +1, 0 },
10656     { 0, -1 },
10657     { 0, +1 }
10658   };
10659   int element_old = IntelliDrawBuffer[x][y];
10660   int direction_old = getOpenDirectionFromPillar(element_old);
10661   int direction_new = MV_NONE;
10662   int i;
10663
10664   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10665   {
10666     int xx = x + xy[i][0];
10667     int yy = y + xy[i][1];
10668     int dir = MV_DIR_FROM_BIT(i);
10669     int dir_opposite = MV_DIR_OPPOSITE(dir);
10670
10671     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10672         (direction_old & dir) &&
10673         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10674       direction_new |= dir;
10675   }
10676
10677   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10678 }
10679
10680 static int getClosedSteel2(int x, int y)
10681 {
10682   static int xy[4][2] =
10683   {
10684     { -1, 0 },
10685     { +1, 0 },
10686     { 0, -1 },
10687     { 0, +1 }
10688   };
10689   int element_old = IntelliDrawBuffer[x][y];
10690   int direction_old = getOpenDirectionFromSteel2(element_old);
10691   int direction_new = MV_NONE;
10692   int i;
10693
10694   for (i = 0; i < NUM_DIRECTIONS; i++)
10695   {
10696     int xx = x + xy[i][0];
10697     int yy = y + xy[i][1];
10698     int dir = MV_DIR_FROM_BIT(i);
10699     int dir_opposite = MV_DIR_OPPOSITE(dir);
10700
10701     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10702         (direction_old & dir) &&
10703         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10704       direction_new |= dir;
10705   }
10706
10707   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10708 }
10709
10710 static int getClosedChip(int x, int y)
10711 {
10712   static int xy[4][2] =
10713   {
10714     { -1, 0 },
10715     { +1, 0 },
10716     { 0, -1 },
10717     { 0, +1 }
10718   };
10719   int element_old = IntelliDrawBuffer[x][y];
10720   int direction_old = getOpenDirectionFromChip(element_old);
10721   int direction_new = MV_NONE;
10722   int i;
10723
10724   for (i = 0; i < NUM_DIRECTIONS; i++)
10725   {
10726     int xx = x + xy[i][0];
10727     int yy = y + xy[i][1];
10728     int dir = MV_DIR_FROM_BIT(i);
10729     int dir_opposite = MV_DIR_OPPOSITE(dir);
10730
10731     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10732         (direction_old & dir) &&
10733         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10734       direction_new |= dir;
10735   }
10736
10737   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10738 }
10739
10740 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10741                                 boolean change_level)
10742 {
10743   int sx = x - level_xpos;
10744   int sy = y - level_ypos;
10745   int old_element = Feld[x][y];
10746   int new_element = element;
10747   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10748   boolean draw_masked = FALSE;
10749
10750   if (IS_MM_WALL_EDITOR(element))
10751   {
10752     element = map_mm_wall_element_editor(element) | new_bitmask;
10753
10754     if (IS_MM_WALL(old_element))
10755       element |= MM_WALL_BITS(old_element);
10756
10757     if (!change_level)
10758       draw_masked = TRUE;
10759   }
10760   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10761   {
10762     int element_changed = old_element & ~new_bitmask;
10763
10764     if (MM_WALL_BITS(element_changed) != 0)
10765       element = element_changed;
10766   }
10767
10768   IntelliDrawBuffer[x][y] = element;
10769
10770   if (change_level)
10771     Feld[x][y] = element;
10772
10773   if (IN_ED_FIELD(sx, sy))
10774   {
10775     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10776       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10777     else if (draw_masked)
10778       DrawEditorElementThruMask(sx, sy, element);
10779     else
10780       DrawEditorElement(sx, sy, element);
10781   }
10782 }
10783
10784 static void SetElementSimple(int x, int y, int element, boolean change_level)
10785 {
10786   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10787 }
10788
10789 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10790                                            int x2, int y2, int *element2,
10791                                            int (*close_function)(int, int),
10792                                            boolean change_level)
10793 {
10794   // set neighbour elements to newly determined connections
10795   SetElementSimple(x1, y1, *element1, change_level);
10796   SetElementSimple(x2, y2, *element2, change_level);
10797
10798   // remove all open connections of neighbour elements
10799   *element1 = close_function(x1, y1);
10800   *element2 = close_function(x2, y2);
10801
10802   // set neighbour elements to new, minimized connections
10803   SetElementSimple(x1, y1, *element1, change_level);
10804   SetElementSimple(x2, y2, *element2, change_level);
10805 }
10806
10807 static void SetElementIntelliDraw(int x, int y, int new_element,
10808                                   boolean change_level, int button)
10809 {
10810   static int xy[4][2] =
10811   {
10812     { -1, 0 },
10813     { +1, 0 },
10814     { 0, -1 },
10815     { 0, +1 }
10816   };
10817   static int last_x = -1;
10818   static int last_y = -1;
10819   int old_element = IntelliDrawBuffer[x][y];
10820
10821   if (new_element == EL_UNDEFINED)
10822   {
10823     last_x = -1;
10824     last_y = -1;
10825
10826     return;
10827   }
10828
10829   if (IS_TUBE(new_element))
10830   {
10831     int last_element_new = EL_UNDEFINED;
10832     int direction = MV_NONE;
10833     int i;
10834
10835     // if old element is of same kind, keep all existing directions
10836     if (IS_TUBE(old_element))
10837       direction |= getOpenDirectionFromTube(old_element);
10838
10839     for (i = 0; i < NUM_DIRECTIONS; i++)
10840     {
10841       int xx = x + xy[i][0];
10842       int yy = y + xy[i][1];
10843
10844       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10845           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10846       {
10847         int dir = MV_DIR_FROM_BIT(i);
10848         int dir_opposite = MV_DIR_OPPOSITE(dir);
10849         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10850         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10851         int last_direction_new = last_direction_old | dir_opposite;
10852
10853         last_element_new = getTubeFromOpenDirection(last_direction_new);
10854
10855         direction |= dir;
10856       }
10857     }
10858
10859     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10860
10861     if (last_element_new != EL_UNDEFINED)
10862       MergeAndCloseNeighbourElements(x, y, &new_element,
10863                                      last_x, last_y, &last_element_new,
10864                                      getClosedTube, change_level);
10865   }
10866   else if (IS_BELT(new_element))
10867   {
10868     int belt_nr = getBeltNrFromBeltElement(new_element);
10869     int last_element_new = EL_UNDEFINED;
10870     int direction = MV_NONE;
10871     int i;
10872
10873     // if old element is of same kind, keep all existing directions
10874     if (IS_BELT(old_element))
10875       direction |= getOpenDirectionFromBelt(old_element);
10876
10877     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10878     {
10879       int xx = x + xy[i][0];
10880       int yy = y + xy[i][1];
10881
10882       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10883           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10884       {
10885         int dir = MV_DIR_FROM_BIT(i);
10886         int dir_opposite = MV_DIR_OPPOSITE(dir);
10887         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10888         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10889         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10890         int last_direction_new = last_direction_old | dir_opposite;
10891
10892         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10893                                                          last_direction_new);
10894         direction |= dir;
10895       }
10896     }
10897
10898     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10899                                                         new_element);
10900     if (last_element_new != EL_UNDEFINED)
10901       MergeAndCloseNeighbourElements(x, y, &new_element,
10902                                      last_x, last_y, &last_element_new,
10903                                      getClosedBelt, change_level);
10904   }
10905   else if (IS_ACID_POOL_OR_ACID(new_element))
10906   {
10907     int last_element_new = EL_UNDEFINED;
10908     int direction = MV_NONE;
10909     int i;
10910
10911     // if old element is of same kind, keep all existing directions
10912     if (IS_ACID_POOL_OR_ACID(old_element))
10913       direction |= getOpenDirectionFromPool(old_element);
10914
10915     for (i = 0; i < NUM_DIRECTIONS; i++)
10916     {
10917       int xx = x + xy[i][0];
10918       int yy = y + xy[i][1];
10919
10920       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10921           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10922       {
10923         int dir = MV_DIR_FROM_BIT(i);
10924         int dir_opposite = MV_DIR_OPPOSITE(dir);
10925         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10926         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10927         int last_direction_new = last_direction_old | dir_opposite;
10928
10929         last_element_new = getPoolFromOpenDirection(last_direction_new);
10930
10931         direction |= dir;
10932       }
10933     }
10934
10935     // special corrections needed for intuitively correct acid pool drawing
10936     if (last_element_new == EL_EMPTY)
10937       last_element_new = new_element;
10938     else if (last_element_new != EL_UNDEFINED)
10939       new_element = last_element_new;
10940
10941     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10942
10943     if (last_element_new != EL_UNDEFINED)
10944       MergeAndCloseNeighbourElements(x, y, &new_element,
10945                                      last_x, last_y, &last_element_new,
10946                                      getClosedPool, change_level);
10947   }
10948   else if (IS_EMC_PILLAR(new_element))
10949   {
10950     int last_element_new = EL_UNDEFINED;
10951     int direction = MV_NONE;
10952     int i;
10953
10954     // if old element is of same kind, keep all existing directions
10955     if (IS_EMC_PILLAR(old_element))
10956       direction |= getOpenDirectionFromPillar(old_element);
10957
10958     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10959     {
10960       int xx = x + xy[i][0];
10961       int yy = y + xy[i][1];
10962
10963       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10964           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10965       {
10966         int dir = MV_DIR_FROM_BIT(i);
10967         int dir_opposite = MV_DIR_OPPOSITE(dir);
10968         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10969         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10970         int last_direction_new = last_direction_old | dir_opposite;
10971
10972         last_element_new = getPillarFromOpenDirection(last_direction_new);
10973
10974         direction |= dir;
10975       }
10976     }
10977
10978     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10979
10980     if (last_element_new != EL_UNDEFINED)
10981       MergeAndCloseNeighbourElements(x, y, &new_element,
10982                                      last_x, last_y, &last_element_new,
10983                                      getClosedPillar, change_level);
10984   }
10985   else if (IS_DC_STEELWALL_2(new_element))
10986   {
10987     int last_element_new = EL_UNDEFINED;
10988     int direction = MV_NONE;
10989     int i;
10990
10991     // if old element is of same kind, keep all existing directions
10992     if (IS_DC_STEELWALL_2(old_element))
10993       direction |= getOpenDirectionFromSteel2(old_element);
10994
10995     for (i = 0; i < NUM_DIRECTIONS; i++)
10996     {
10997       int xx = x + xy[i][0];
10998       int yy = y + xy[i][1];
10999
11000       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11001           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11002       {
11003         int dir = MV_DIR_FROM_BIT(i);
11004         int dir_opposite = MV_DIR_OPPOSITE(dir);
11005         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11006         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11007         int last_direction_new = last_direction_old | dir_opposite;
11008
11009         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11010
11011         direction |= dir;
11012       }
11013     }
11014
11015     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11016
11017     if (last_element_new != EL_UNDEFINED)
11018       MergeAndCloseNeighbourElements(x, y, &new_element,
11019                                      last_x, last_y, &last_element_new,
11020                                      getClosedSteel2, change_level);
11021   }
11022   else if (IS_SP_CHIP(new_element))
11023   {
11024     int last_element_new = EL_UNDEFINED;
11025     int direction = MV_NONE;
11026     int i;
11027
11028     // (do not keep existing directions, regardless of kind of old element)
11029
11030     for (i = 0; i < NUM_DIRECTIONS; i++)
11031     {
11032       int xx = x + xy[i][0];
11033       int yy = y + xy[i][1];
11034
11035       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11036           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11037       {
11038         int dir = MV_DIR_FROM_BIT(i);
11039         int dir_opposite = MV_DIR_OPPOSITE(dir);
11040         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11041         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11042         int last_direction_new = last_direction_old | dir_opposite;
11043
11044         if (last_direction_old == MV_NONE)
11045         {
11046           last_element_new = getChipFromOpenDirection(last_direction_new);
11047           direction |= dir;
11048         }
11049         else if (last_direction_old & (dir | dir_opposite))
11050         {
11051           direction |= MV_DIR_OPPOSITE(last_direction_old);
11052         }
11053         else
11054         {
11055           direction |= MV_DIR_OPPOSITE(dir);
11056         }
11057       }
11058     }
11059
11060     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11061
11062     if (last_element_new != EL_UNDEFINED)
11063       MergeAndCloseNeighbourElements(x, y, &new_element,
11064                                      last_x, last_y, &last_element_new,
11065                                      getClosedChip, change_level);
11066   }
11067   else if (IS_SP_HARDWARE_BASE(new_element))
11068   {
11069     int nr = GetSimpleRandom(6);
11070
11071     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11072                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11073                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11074                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11075                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11076   }
11077   else if (new_element == EL_SP_HARDWARE_GREEN ||
11078            new_element == EL_SP_HARDWARE_BLUE ||
11079            new_element == EL_SP_HARDWARE_RED)
11080   {
11081     int nr = GetSimpleRandom(3);
11082
11083     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11084                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11085   }
11086   else if (IS_GROUP_ELEMENT(new_element))
11087   {
11088     boolean connected_drawing = FALSE;
11089     int i;
11090
11091     for (i = 0; i < NUM_DIRECTIONS; i++)
11092     {
11093       int xx = x + xy[i][0];
11094       int yy = y + xy[i][1];
11095
11096       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11097           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11098         connected_drawing = TRUE;
11099     }
11100
11101     if (!connected_drawing)
11102       ResolveGroupElement(new_element);
11103
11104     new_element = GetElementFromGroupElement(new_element);
11105   }
11106   else if (IS_BELT_SWITCH(old_element))
11107   {
11108     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11109     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11110
11111     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11112                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11113
11114     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11115   }
11116   else
11117   {
11118     static int swappable_elements[][2] =
11119     {
11120       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11121       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11122       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11123       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11124       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11125       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11126       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11127       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11128       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11129       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11130       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11131       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11132       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11133       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11134       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11135       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11136       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11137       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11138       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11139       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11140       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11141       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11142       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11143       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11144       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11145       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11146       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11147       { EL_PEARL,                       EL_WALL_PEARL                   },
11148       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11149       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11150       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11151       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11152       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11153       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11154       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11155       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11156       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11157       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11158       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11159       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11160       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11161       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11162       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11163       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11164
11165       { -1,                             -1                              },
11166     };
11167     static int rotatable_elements_4[][4] =
11168     {
11169       {
11170         EL_BUG_UP,
11171         EL_BUG_RIGHT,
11172         EL_BUG_DOWN,
11173         EL_BUG_LEFT
11174       },
11175       {
11176         EL_SPACESHIP_UP,
11177         EL_SPACESHIP_RIGHT,
11178         EL_SPACESHIP_DOWN,
11179         EL_SPACESHIP_LEFT
11180       },
11181       {
11182         EL_BD_BUTTERFLY_UP,
11183         EL_BD_BUTTERFLY_RIGHT,
11184         EL_BD_BUTTERFLY_DOWN,
11185         EL_BD_BUTTERFLY_LEFT
11186       },
11187       {
11188         EL_BD_FIREFLY_UP,
11189         EL_BD_FIREFLY_RIGHT,
11190         EL_BD_FIREFLY_DOWN,
11191         EL_BD_FIREFLY_LEFT
11192       },
11193       {
11194         EL_PACMAN_UP,
11195         EL_PACMAN_RIGHT,
11196         EL_PACMAN_DOWN,
11197         EL_PACMAN_LEFT
11198       },
11199       {
11200         EL_YAMYAM_UP,
11201         EL_YAMYAM_RIGHT,
11202         EL_YAMYAM_DOWN,
11203         EL_YAMYAM_LEFT
11204       },
11205       {
11206         EL_ARROW_UP,
11207         EL_ARROW_RIGHT,
11208         EL_ARROW_DOWN,
11209         EL_ARROW_LEFT
11210       },
11211       {
11212         EL_SP_PORT_UP,
11213         EL_SP_PORT_RIGHT,
11214         EL_SP_PORT_DOWN,
11215         EL_SP_PORT_LEFT
11216       },
11217       {
11218         EL_SP_GRAVITY_PORT_UP,
11219         EL_SP_GRAVITY_PORT_RIGHT,
11220         EL_SP_GRAVITY_PORT_DOWN,
11221         EL_SP_GRAVITY_PORT_LEFT
11222       },
11223       {
11224         EL_SP_GRAVITY_ON_PORT_UP,
11225         EL_SP_GRAVITY_ON_PORT_RIGHT,
11226         EL_SP_GRAVITY_ON_PORT_DOWN,
11227         EL_SP_GRAVITY_ON_PORT_LEFT
11228       },
11229       {
11230         EL_SP_GRAVITY_OFF_PORT_UP,
11231         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11232         EL_SP_GRAVITY_OFF_PORT_DOWN,
11233         EL_SP_GRAVITY_OFF_PORT_LEFT
11234       },
11235       {
11236         EL_MOLE_UP,
11237         EL_MOLE_RIGHT,
11238         EL_MOLE_DOWN,
11239         EL_MOLE_LEFT
11240       },
11241       {
11242         EL_BALLOON_SWITCH_UP,
11243         EL_BALLOON_SWITCH_RIGHT,
11244         EL_BALLOON_SWITCH_DOWN,
11245         EL_BALLOON_SWITCH_LEFT
11246       },
11247       {
11248         EL_MM_MCDUFFIN_UP,
11249         EL_MM_MCDUFFIN_RIGHT,
11250         EL_MM_MCDUFFIN_DOWN,
11251         EL_MM_MCDUFFIN_LEFT
11252       },
11253       {
11254         EL_MM_MIRROR_FIXED_1,
11255         EL_MM_MIRROR_FIXED_4,
11256         EL_MM_MIRROR_FIXED_3,
11257         EL_MM_MIRROR_FIXED_2
11258       },
11259       {
11260         EL_MM_STEEL_GRID_FIXED_1,
11261         EL_MM_STEEL_GRID_FIXED_4,
11262         EL_MM_STEEL_GRID_FIXED_2,
11263         EL_MM_STEEL_GRID_FIXED_3
11264       },
11265       {
11266         EL_MM_WOODEN_GRID_FIXED_1,
11267         EL_MM_WOODEN_GRID_FIXED_4,
11268         EL_MM_WOODEN_GRID_FIXED_2,
11269         EL_MM_WOODEN_GRID_FIXED_3
11270       },
11271       {
11272         EL_MM_POLARIZER_CROSS_1,
11273         EL_MM_POLARIZER_CROSS_4,
11274         EL_MM_POLARIZER_CROSS_3,
11275         EL_MM_POLARIZER_CROSS_2
11276       },
11277       {
11278         EL_MM_PACMAN_UP,
11279         EL_MM_PACMAN_RIGHT,
11280         EL_MM_PACMAN_DOWN,
11281         EL_MM_PACMAN_LEFT
11282       },
11283       {
11284         EL_DF_LASER_UP,
11285         EL_DF_LASER_RIGHT,
11286         EL_DF_LASER_DOWN,
11287         EL_DF_LASER_LEFT
11288       },
11289       {
11290         EL_DF_RECEIVER_UP,
11291         EL_DF_RECEIVER_RIGHT,
11292         EL_DF_RECEIVER_DOWN,
11293         EL_DF_RECEIVER_LEFT
11294       },
11295
11296       {
11297         -1,
11298       },
11299     };
11300     static int rotatable_elements_8[][8] =
11301     {
11302       {
11303         EL_DF_STEEL_GRID_FIXED_1,
11304         EL_DF_STEEL_GRID_FIXED_8,
11305         EL_DF_STEEL_GRID_FIXED_7,
11306         EL_DF_STEEL_GRID_FIXED_6,
11307         EL_DF_STEEL_GRID_FIXED_5,
11308         EL_DF_STEEL_GRID_FIXED_4,
11309         EL_DF_STEEL_GRID_FIXED_3,
11310         EL_DF_STEEL_GRID_FIXED_2
11311       },
11312       {
11313         EL_DF_WOODEN_GRID_FIXED_1,
11314         EL_DF_WOODEN_GRID_FIXED_8,
11315         EL_DF_WOODEN_GRID_FIXED_7,
11316         EL_DF_WOODEN_GRID_FIXED_6,
11317         EL_DF_WOODEN_GRID_FIXED_5,
11318         EL_DF_WOODEN_GRID_FIXED_4,
11319         EL_DF_WOODEN_GRID_FIXED_3,
11320         EL_DF_WOODEN_GRID_FIXED_2
11321       },
11322       {
11323         EL_DF_STEEL_GRID_ROTATING_1,
11324         EL_DF_STEEL_GRID_ROTATING_8,
11325         EL_DF_STEEL_GRID_ROTATING_7,
11326         EL_DF_STEEL_GRID_ROTATING_6,
11327         EL_DF_STEEL_GRID_ROTATING_5,
11328         EL_DF_STEEL_GRID_ROTATING_4,
11329         EL_DF_STEEL_GRID_ROTATING_3,
11330         EL_DF_STEEL_GRID_ROTATING_2
11331       },
11332       {
11333         EL_DF_WOODEN_GRID_ROTATING_1,
11334         EL_DF_WOODEN_GRID_ROTATING_8,
11335         EL_DF_WOODEN_GRID_ROTATING_7,
11336         EL_DF_WOODEN_GRID_ROTATING_6,
11337         EL_DF_WOODEN_GRID_ROTATING_5,
11338         EL_DF_WOODEN_GRID_ROTATING_4,
11339         EL_DF_WOODEN_GRID_ROTATING_3,
11340         EL_DF_WOODEN_GRID_ROTATING_2
11341       },
11342
11343       {
11344         -1,
11345       },
11346     };
11347     static int rotatable_elements_16[][16] =
11348     {
11349       {
11350         EL_MM_MIRROR_1,
11351         EL_MM_MIRROR_16,
11352         EL_MM_MIRROR_15,
11353         EL_MM_MIRROR_14,
11354         EL_MM_MIRROR_13,
11355         EL_MM_MIRROR_12,
11356         EL_MM_MIRROR_11,
11357         EL_MM_MIRROR_10,
11358         EL_MM_MIRROR_9,
11359         EL_MM_MIRROR_8,
11360         EL_MM_MIRROR_7,
11361         EL_MM_MIRROR_6,
11362         EL_MM_MIRROR_5,
11363         EL_MM_MIRROR_4,
11364         EL_MM_MIRROR_3,
11365         EL_MM_MIRROR_2
11366       },
11367       {
11368         EL_MM_TELEPORTER_5,
11369         EL_MM_TELEPORTER_4,
11370         EL_MM_TELEPORTER_3,
11371         EL_MM_TELEPORTER_2,
11372         EL_MM_TELEPORTER_1,
11373         EL_MM_TELEPORTER_16,
11374         EL_MM_TELEPORTER_15,
11375         EL_MM_TELEPORTER_14,
11376         EL_MM_TELEPORTER_13,
11377         EL_MM_TELEPORTER_12,
11378         EL_MM_TELEPORTER_11,
11379         EL_MM_TELEPORTER_10,
11380         EL_MM_TELEPORTER_9,
11381         EL_MM_TELEPORTER_8,
11382         EL_MM_TELEPORTER_7,
11383         EL_MM_TELEPORTER_6
11384       },
11385       {
11386         EL_MM_TELEPORTER_RED_5,
11387         EL_MM_TELEPORTER_RED_4,
11388         EL_MM_TELEPORTER_RED_3,
11389         EL_MM_TELEPORTER_RED_2,
11390         EL_MM_TELEPORTER_RED_1,
11391         EL_MM_TELEPORTER_RED_16,
11392         EL_MM_TELEPORTER_RED_15,
11393         EL_MM_TELEPORTER_RED_14,
11394         EL_MM_TELEPORTER_RED_13,
11395         EL_MM_TELEPORTER_RED_12,
11396         EL_MM_TELEPORTER_RED_11,
11397         EL_MM_TELEPORTER_RED_10,
11398         EL_MM_TELEPORTER_RED_9,
11399         EL_MM_TELEPORTER_RED_8,
11400         EL_MM_TELEPORTER_RED_7,
11401         EL_MM_TELEPORTER_RED_6
11402       },
11403       {
11404         EL_MM_TELEPORTER_YELLOW_5,
11405         EL_MM_TELEPORTER_YELLOW_4,
11406         EL_MM_TELEPORTER_YELLOW_3,
11407         EL_MM_TELEPORTER_YELLOW_2,
11408         EL_MM_TELEPORTER_YELLOW_1,
11409         EL_MM_TELEPORTER_YELLOW_16,
11410         EL_MM_TELEPORTER_YELLOW_15,
11411         EL_MM_TELEPORTER_YELLOW_14,
11412         EL_MM_TELEPORTER_YELLOW_13,
11413         EL_MM_TELEPORTER_YELLOW_12,
11414         EL_MM_TELEPORTER_YELLOW_11,
11415         EL_MM_TELEPORTER_YELLOW_10,
11416         EL_MM_TELEPORTER_YELLOW_9,
11417         EL_MM_TELEPORTER_YELLOW_8,
11418         EL_MM_TELEPORTER_YELLOW_7,
11419         EL_MM_TELEPORTER_YELLOW_6
11420       },
11421       {
11422         EL_MM_TELEPORTER_GREEN_5,
11423         EL_MM_TELEPORTER_GREEN_4,
11424         EL_MM_TELEPORTER_GREEN_3,
11425         EL_MM_TELEPORTER_GREEN_2,
11426         EL_MM_TELEPORTER_GREEN_1,
11427         EL_MM_TELEPORTER_GREEN_16,
11428         EL_MM_TELEPORTER_GREEN_15,
11429         EL_MM_TELEPORTER_GREEN_14,
11430         EL_MM_TELEPORTER_GREEN_13,
11431         EL_MM_TELEPORTER_GREEN_12,
11432         EL_MM_TELEPORTER_GREEN_11,
11433         EL_MM_TELEPORTER_GREEN_10,
11434         EL_MM_TELEPORTER_GREEN_9,
11435         EL_MM_TELEPORTER_GREEN_8,
11436         EL_MM_TELEPORTER_GREEN_7,
11437         EL_MM_TELEPORTER_GREEN_6
11438       },
11439       {
11440         EL_MM_TELEPORTER_BLUE_5,
11441         EL_MM_TELEPORTER_BLUE_4,
11442         EL_MM_TELEPORTER_BLUE_3,
11443         EL_MM_TELEPORTER_BLUE_2,
11444         EL_MM_TELEPORTER_BLUE_1,
11445         EL_MM_TELEPORTER_BLUE_16,
11446         EL_MM_TELEPORTER_BLUE_15,
11447         EL_MM_TELEPORTER_BLUE_14,
11448         EL_MM_TELEPORTER_BLUE_13,
11449         EL_MM_TELEPORTER_BLUE_12,
11450         EL_MM_TELEPORTER_BLUE_11,
11451         EL_MM_TELEPORTER_BLUE_10,
11452         EL_MM_TELEPORTER_BLUE_9,
11453         EL_MM_TELEPORTER_BLUE_8,
11454         EL_MM_TELEPORTER_BLUE_7,
11455         EL_MM_TELEPORTER_BLUE_6
11456       },
11457       {
11458         EL_MM_POLARIZER_1,
11459         EL_MM_POLARIZER_16,
11460         EL_MM_POLARIZER_15,
11461         EL_MM_POLARIZER_14,
11462         EL_MM_POLARIZER_13,
11463         EL_MM_POLARIZER_12,
11464         EL_MM_POLARIZER_11,
11465         EL_MM_POLARIZER_10,
11466         EL_MM_POLARIZER_9,
11467         EL_MM_POLARIZER_8,
11468         EL_MM_POLARIZER_7,
11469         EL_MM_POLARIZER_6,
11470         EL_MM_POLARIZER_5,
11471         EL_MM_POLARIZER_4,
11472         EL_MM_POLARIZER_3,
11473         EL_MM_POLARIZER_2
11474       },
11475       {
11476         EL_DF_MIRROR_1,
11477         EL_DF_MIRROR_16,
11478         EL_DF_MIRROR_15,
11479         EL_DF_MIRROR_14,
11480         EL_DF_MIRROR_13,
11481         EL_DF_MIRROR_12,
11482         EL_DF_MIRROR_11,
11483         EL_DF_MIRROR_10,
11484         EL_DF_MIRROR_9,
11485         EL_DF_MIRROR_8,
11486         EL_DF_MIRROR_7,
11487         EL_DF_MIRROR_6,
11488         EL_DF_MIRROR_5,
11489         EL_DF_MIRROR_4,
11490         EL_DF_MIRROR_3,
11491         EL_DF_MIRROR_2
11492       },
11493       {
11494         EL_DF_MIRROR_ROTATING_1,
11495         EL_DF_MIRROR_ROTATING_16,
11496         EL_DF_MIRROR_ROTATING_15,
11497         EL_DF_MIRROR_ROTATING_14,
11498         EL_DF_MIRROR_ROTATING_13,
11499         EL_DF_MIRROR_ROTATING_12,
11500         EL_DF_MIRROR_ROTATING_11,
11501         EL_DF_MIRROR_ROTATING_10,
11502         EL_DF_MIRROR_ROTATING_9,
11503         EL_DF_MIRROR_ROTATING_8,
11504         EL_DF_MIRROR_ROTATING_7,
11505         EL_DF_MIRROR_ROTATING_6,
11506         EL_DF_MIRROR_ROTATING_5,
11507         EL_DF_MIRROR_ROTATING_4,
11508         EL_DF_MIRROR_ROTATING_3,
11509         EL_DF_MIRROR_ROTATING_2
11510       },
11511
11512       {
11513         -1,
11514       },
11515     };
11516     int i, j;
11517
11518     for (i = 0; swappable_elements[i][0] != -1; i++)
11519     {
11520       int element1 = swappable_elements[i][0];
11521       int element2 = swappable_elements[i][1];
11522
11523       if (old_element == element1 || old_element == element2)
11524         new_element = (old_element == element1 ? element2 : element1);
11525     }
11526
11527     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11528     {
11529       for (j = 0; j < 4; j++)
11530       {
11531         int element = rotatable_elements_4[i][j];
11532
11533         if (old_element == element)
11534           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11535                          button == 2 ? rotatable_elements_4[i][0]           :
11536                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11537                          old_element);
11538       }
11539     }
11540
11541     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11542     {
11543       for (j = 0; j < 8; j++)
11544       {
11545         int element = rotatable_elements_8[i][j];
11546
11547         if (old_element == element)
11548           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11549                          button == 2 ? rotatable_elements_8[i][0]           :
11550                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11551                          old_element);
11552       }
11553     }
11554
11555     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11556     {
11557       for (j = 0; j < 16; j++)
11558       {
11559         int element = rotatable_elements_16[i][j];
11560
11561         if (old_element == element)
11562           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11563                          button == 2 ? rotatable_elements_16[i][0]             :
11564                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11565                          old_element);
11566       }
11567     }
11568
11569     if (old_element != new_element)
11570     {
11571       int max_infotext_len = getMaxInfoTextLength();
11572       char infotext[MAX_OUTPUT_LINESIZE + 1];
11573
11574       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11575       infotext[max_infotext_len] = '\0';
11576
11577       ClearEditorGadgetInfoText();
11578
11579       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11580                 infotext);
11581     }
11582   }
11583
11584   SetElementSimple(x, y, new_element, change_level);
11585
11586   last_x = x;
11587   last_y = y;
11588 }
11589
11590 static void ResetIntelliDraw(void)
11591 {
11592   int x, y;
11593
11594   for (x = 0; x < lev_fieldx; x++)
11595     for (y = 0; y < lev_fieldy; y++)
11596       IntelliDrawBuffer[x][y] = Feld[x][y];
11597
11598   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11599 }
11600
11601 static boolean draw_mode_hires = FALSE;
11602
11603 static void SetDrawModeHiRes(int element)
11604 {
11605   draw_mode_hires =
11606     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11607      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11608 }
11609
11610 static boolean getDrawModeHiRes(void)
11611 {
11612   return draw_mode_hires;
11613 }
11614
11615 static int getLoResScreenPos(int pos)
11616 {
11617   return (getDrawModeHiRes() ? pos / 2 : pos);
11618 }
11619
11620 static int getLoResScreenMod(int pos)
11621 {
11622   return (getDrawModeHiRes() ? pos % 2 : 0);
11623 }
11624
11625 static void SetElementExt(int x, int y, int dx, int dy, int element,
11626                           boolean change_level, int button)
11627 {
11628   if (element < 0)
11629     SetElementSimple(x, y, Feld[x][y], change_level);
11630   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11631     SetElementIntelliDraw(x, y, element, change_level, button);
11632   else
11633     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11634 }
11635
11636 static void SetElement(int x, int y, int element)
11637 {
11638   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11639 }
11640
11641 static void SetElementButton(int x, int y, int dx, int dy, int element,
11642                              int button)
11643 {
11644   SetElementExt(x, y, dx, dy, element, TRUE, button);
11645 }
11646
11647 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11648 {
11649   int lx = getLoResScreenPos(sx2) + level_xpos;
11650   int ly = getLoResScreenPos(sy2) + level_ypos;
11651   int dx = getLoResScreenMod(sx2);
11652   int dy = getLoResScreenMod(sy2);
11653
11654   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11655 }
11656
11657 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11658 {
11659   int lx = lx2 / 2;
11660   int ly = ly2 / 2;
11661   int dx = lx2 % 2;
11662   int dy = ly2 % 2;
11663
11664   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11665 }
11666
11667 static int getLevelElementHiRes(int lx2, int ly2)
11668 {
11669   int lx = lx2 / 2;
11670   int ly = ly2 / 2;
11671   int dx = lx2 % 2;
11672   int dy = ly2 % 2;
11673   int element = Feld[lx][ly];
11674   unsigned int bitmask = (dx + 1) << (dy * 2);
11675
11676   if (IS_MM_WALL(element))
11677   {
11678     if (element & bitmask)
11679       return map_mm_wall_element(element);
11680     else
11681       return EL_EMPTY;
11682   }
11683
11684   return element;
11685 }
11686
11687 static void DrawLineElement(int x, int y, int element, boolean change_level)
11688 {
11689   SetElementHiRes(x, y, element, change_level);
11690 }
11691
11692 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11693                      int element, boolean change_level)
11694 {
11695   int xsize = ABS(to_x - from_x);
11696   int ysize = ABS(to_y - from_y);
11697   int dx = (to_x < from_x ? -1 : +1);
11698   int dy = (to_y < from_y ? -1 : +1);
11699   int i;
11700
11701   if (from_y == to_y)                   // horizontal line
11702   {
11703     for (i = 0; i <= xsize; i++)
11704       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11705   }
11706   else if (from_x == to_x)              // vertical line
11707   {
11708     for (i = 0; i <= ysize; i++)
11709       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11710   }
11711   else                                  // diagonal line
11712   {
11713     if (ysize < xsize)                  // a < 1
11714     {
11715       float a = (float)ysize / (float)xsize;
11716
11717       for (i = 0; i <= xsize; i++)
11718       {
11719         int x = dx * i;
11720         int y = dy * (int)(a * i + 0.5);
11721
11722         DrawLineElement(from_x + x, from_y + y, element, change_level);
11723       }
11724     }
11725     else                                // a >= 1
11726     {
11727       float a = (float)xsize / (float)ysize;
11728
11729       for (i = 0; i <= ysize; i++)
11730       {
11731         int x = dx * (int)(a * i + 0.5);
11732         int y = dy * i;
11733
11734         DrawLineElement(from_x + x, from_y + y, element, change_level);
11735       }
11736     }
11737   }
11738 }
11739
11740 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11741                     int element, boolean change_level)
11742 {
11743   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11744   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11745   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11746   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11747 }
11748
11749 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11750                           int element, boolean change_level)
11751 {
11752   int y;
11753
11754   if (from_y > to_y)
11755     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11756
11757   for (y = from_y; y <= to_y; y++)
11758     DrawLine(from_x, y, to_x, y, element, change_level);
11759 }
11760
11761 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11762                        int element, boolean change_level)
11763 {
11764   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11765   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11766   int len_x = ABS(to_x - from_x);
11767   int len_y = ABS(to_y - from_y);
11768   int radius, x, y;
11769
11770   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11771
11772   /* not optimal (some points get drawn twice) but simple,
11773      and fast enough for the few points we are drawing */
11774
11775   for (x = 0; x <= radius; x++)
11776   {
11777     int sx, sy, sx2, sy2, lx, ly;
11778
11779     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11780
11781     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11782     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11783     sx = getLoResScreenPos(sx2);
11784     sy = getLoResScreenPos(sy2);
11785     lx = sx + level_xpos;
11786     ly = sy + level_ypos;
11787
11788     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11789       DrawLineElement(sx2, sy2, element, change_level);
11790   }
11791
11792   for (y = 0; y <= radius; y++)
11793   {
11794     int sx, sy, sx2, sy2, lx, ly;
11795
11796     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11797
11798     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11799     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11800     sx = getLoResScreenPos(sx2);
11801     sy = getLoResScreenPos(sy2);
11802     lx = sx + level_xpos;
11803     ly = sy + level_ypos;
11804
11805     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11806       DrawLineElement(sx2, sy2, element, change_level);
11807   }
11808 }
11809
11810 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11811                     int element, boolean change_level)
11812 {
11813   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11814   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11815
11816   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11817 }
11818
11819 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11820
11821 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11822 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11823                        int element, boolean change_level)
11824 {
11825   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11826   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11827   int mirror_to_x2 = from_x - (to_x2 - from_x);
11828   int mirror_to_y2 = from_y - (to_y2 - from_y);
11829
11830   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11831   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11832   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11833   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11834 }
11835 #endif
11836
11837 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11838 {
11839   int from_sx, from_sy;
11840   int to_sx, to_sy;
11841
11842   if (from_x > to_x)
11843     swap_numbers(&from_x, &to_x);
11844
11845   if (from_y > to_y)
11846     swap_numbers(&from_y, &to_y);
11847
11848   from_sx = SX + from_x * ed_tilesize;
11849   from_sy = SY + from_y * ed_tilesize;
11850   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11851   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11852
11853   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11854   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11855   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11856   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11857
11858   if (from_x == to_x && from_y == to_y)
11859     MarkTileDirty(from_x/2, from_y/2);
11860   else
11861     redraw_mask |= REDRAW_FIELD;
11862 }
11863
11864 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11865                         int element, boolean change_level)
11866 {
11867   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11868 }
11869
11870 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11871                        int element, boolean change_level)
11872 {
11873   if (element == -1 || change_level)
11874     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11875   else
11876     DrawAreaBorder(from_x, from_y, to_x, to_y);
11877 }
11878
11879 // values for CopyBrushExt()
11880 #define CB_AREA_TO_BRUSH        0
11881 #define CB_BRUSH_TO_CURSOR      1
11882 #define CB_BRUSH_TO_LEVEL       2
11883 #define CB_DELETE_OLD_CURSOR    3
11884 #define CB_DUMP_BRUSH           4
11885 #define CB_DUMP_BRUSH_SMALL     5
11886
11887 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11888 {
11889   DrawLineElement(sx, sy, element, change_level);
11890 }
11891
11892 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11893                          int button, int mode)
11894 {
11895   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11896   static int brush_width, brush_height;
11897   static int last_cursor_x = -1, last_cursor_y = -1;
11898   static boolean delete_old_brush;
11899   int new_element = BUTTON_ELEMENT(button);
11900   int x, y;
11901
11902   if (mode == CB_DUMP_BRUSH ||
11903       mode == CB_DUMP_BRUSH_SMALL)
11904   {
11905     if (!draw_with_brush)
11906     {
11907       Error(ERR_WARN, "no brush selected");
11908
11909       return;
11910     }
11911
11912     for (y = 0; y < brush_height; y++)
11913     {
11914       for (x = 0; x < brush_width; x++)
11915       {
11916         int element = brush_buffer[x][y];
11917         int element_mapped = element;
11918
11919         if (IS_CUSTOM_ELEMENT(element))
11920           element_mapped = EL_CUSTOM_START;
11921         else if (IS_GROUP_ELEMENT(element))
11922           element_mapped = EL_GROUP_START;
11923         else if (element >= NUM_FILE_ELEMENTS)
11924           element_mapped = EL_UNKNOWN;
11925
11926         // dump brush as level sketch text for the R'n'D forum:
11927         // - large tiles: `xxx (0x60 ASCII)
11928         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11929         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11930       }
11931
11932       printf("\n");
11933     }
11934
11935     return;
11936   }
11937
11938   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11939     return;
11940
11941   if (mode == CB_AREA_TO_BRUSH)
11942   {
11943     int from_lx, from_ly;
11944
11945     if (from_x > to_x)
11946       swap_numbers(&from_x, &to_x);
11947
11948     if (from_y > to_y)
11949       swap_numbers(&from_y, &to_y);
11950
11951     brush_width = to_x - from_x + 1;
11952     brush_height = to_y - from_y + 1;
11953
11954     from_lx = from_x + level_xpos;
11955     from_ly = from_y + level_ypos;
11956
11957     for (y = 0; y < brush_height; y++)
11958     {
11959       for (x = 0; x < brush_width; x++)
11960       {
11961         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11962
11963         if (button != 1)
11964           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11965       }
11966     }
11967
11968     if (button != 1)
11969       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11970
11971     delete_old_brush = FALSE;
11972   }
11973   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11974            mode == CB_BRUSH_TO_LEVEL)
11975   {
11976     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11977     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11978     int cursor_from_x = cursor_x - brush_width / 2;
11979     int cursor_from_y = cursor_y - brush_height / 2;
11980     int border_from_x = cursor_x, border_from_y = cursor_y;
11981     int border_to_x = cursor_x, border_to_y = cursor_y;
11982
11983     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11984       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11985
11986     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11987         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11988     {
11989       delete_old_brush = FALSE;
11990       return;
11991     }
11992
11993     for (y = 0; y < brush_height; y++)
11994     {
11995       for (x = 0; x < brush_width; x++)
11996       {
11997         int sx = cursor_from_x + x;
11998         int sy = cursor_from_y + y;
11999         int lx = sx + level_xpos;
12000         int ly = sy + level_ypos;
12001         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12002         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12003                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12004                        brush_buffer[x][y] : new_element);
12005
12006         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12007         {
12008           if (sx < border_from_x)
12009             border_from_x = sx;
12010           else if (sx > border_to_x)
12011             border_to_x = sx;
12012           if (sy < border_from_y)
12013             border_from_y = sy;
12014           else if (sy > border_to_y)
12015             border_to_y = sy;
12016
12017           DrawBrushElement(sx, sy, element, change_level);
12018         }
12019       }
12020     }
12021
12022     if (mode != CB_DELETE_OLD_CURSOR)
12023       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12024
12025     last_cursor_x = cursor_x;
12026     last_cursor_y = cursor_y;
12027     delete_old_brush = TRUE;
12028   }
12029 }
12030
12031 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12032                             int button)
12033 {
12034   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12035 }
12036
12037 static void CopyBrushToLevel(int x, int y, int button)
12038 {
12039   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12040 }
12041
12042 static void CopyBrushToCursor(int x, int y)
12043 {
12044   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12045 }
12046
12047 static void DeleteBrushFromCursor(void)
12048 {
12049   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12050 }
12051
12052 void DumpBrush(void)
12053 {
12054   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12055 }
12056
12057 void DumpBrush_Small(void)
12058 {
12059   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12060 }
12061
12062 static void FloodFill(int from_x, int from_y, int fill_element)
12063 {
12064   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
12065 }
12066
12067 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12068 {
12069   int from_x = from_sx2 + 2 * level_xpos;
12070   int from_y = from_sy2 + 2 * level_ypos;
12071   int max_fillx = lev_fieldx * 2;
12072   int max_filly = lev_fieldy * 2;
12073   short FillFeld[max_fillx][max_filly];
12074   int x, y;
12075
12076   for (x = 0; x < max_fillx; x++)
12077     for (y = 0; y < max_filly; y++)
12078       FillFeld[x][y] = getLevelElementHiRes(x, y);
12079
12080   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12081                     FillFeld, max_fillx, max_filly);
12082
12083   for (x = 0; x < max_fillx; x++)
12084     for (y = 0; y < max_filly; y++)
12085       if (FillFeld[x][y] == fill_element)
12086         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12087 }
12088
12089 // values for DrawLevelText() modes
12090 #define TEXT_INIT               0
12091 #define TEXT_SETCURSOR          1
12092 #define TEXT_WRITECHAR          2
12093 #define TEXT_BACKSPACE          3
12094 #define TEXT_NEWLINE            4
12095 #define TEXT_END                5
12096 #define TEXT_QUERY_TYPING       6
12097
12098 static int DrawLevelText(int sx, int sy, char letter, int mode)
12099 {
12100   static short delete_buffer[MAX_LEV_FIELDX];
12101   static int start_sx;
12102   static int last_sx, last_sy;
12103   static boolean typing = FALSE;
12104   int letter_element = EL_CHAR_ASCII0 + letter;
12105   int lx = 0, ly = 0;
12106
12107   // map lower case letters to upper case and convert special characters
12108   if (letter >= 'a' && letter <= 'z')
12109     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12110   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12111     letter_element = EL_CHAR_AUMLAUT;
12112   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12113     letter_element = EL_CHAR_OUMLAUT;
12114   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12115     letter_element = EL_CHAR_UUMLAUT;
12116   else if (letter == '^')
12117     letter_element = EL_CHAR_COPYRIGHT;
12118   else
12119     letter_element = EL_CHAR_ASCII0 + letter;
12120
12121   if (mode != TEXT_INIT)
12122   {
12123     if (!typing)
12124       return FALSE;
12125
12126     if (mode != TEXT_SETCURSOR)
12127     {
12128       sx = last_sx;
12129       sy = last_sy;
12130     }
12131
12132     lx = last_sx + level_xpos;
12133     ly = last_sy + level_ypos;
12134   }
12135
12136   switch (mode)
12137   {
12138     case TEXT_INIT:
12139       if (typing)
12140         DrawLevelText(0, 0, 0, TEXT_END);
12141
12142       typing = TRUE;
12143       start_sx = sx;
12144       last_sx = sx;
12145       last_sy = sy;
12146       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12147       break;
12148
12149     case TEXT_SETCURSOR:
12150       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12151       DrawAreaBorder(sx, sy, sx, sy);
12152       last_sx = sx;
12153       last_sy = sy;
12154       break;
12155
12156     case TEXT_WRITECHAR:
12157       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12158       {
12159         if (new_element1 >= EL_STEEL_CHAR_START &&
12160             new_element1 <= EL_STEEL_CHAR_END)
12161           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12162
12163         delete_buffer[sx - start_sx] = Feld[lx][ly];
12164         Feld[lx][ly] = letter_element;
12165
12166         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12167           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12168         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12169           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12170         else
12171           DrawLevelText(0, 0, 0, TEXT_END);
12172
12173         level.changed = TRUE;
12174       }
12175       break;
12176
12177     case TEXT_BACKSPACE:
12178       if (sx > start_sx)
12179       {
12180         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12181         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12182         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12183       }
12184       break;
12185
12186     case TEXT_NEWLINE:
12187       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12188         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12189       else
12190         DrawLevelText(0, 0, 0, TEXT_END);
12191       break;
12192
12193     case TEXT_END:
12194       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12195       DrawEditorElement(sx, sy, Feld[lx][ly]);
12196       typing = FALSE;
12197       break;
12198
12199     case TEXT_QUERY_TYPING:
12200       break;
12201
12202     default:
12203       break;
12204   }
12205
12206   return typing;
12207 }
12208
12209 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12210                           int element, boolean change_level)
12211 {
12212   int lx = sx + level_xpos;
12213   int ly = sy + level_ypos;
12214
12215   if (element == -1)
12216     DrawEditorElement(sx, sy, Feld[lx][ly]);
12217   else
12218     DrawAreaBorder(sx, sy, sx, sy);
12219 }
12220
12221 static void CheckLevelBorderElement(boolean redraw_playfield)
12222 {
12223   int last_border_element = BorderElement;
12224
12225   SetBorderElement();
12226
12227   if (redraw_playfield && BorderElement != last_border_element)
12228     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12229 }
12230
12231 static void CopyLevelToUndoBuffer(int mode)
12232 {
12233   static boolean accumulated_undo = FALSE;
12234   boolean new_undo_buffer_position = TRUE;
12235   int x, y;
12236
12237   if (undo_buffer_steps == 0)
12238     accumulated_undo = FALSE;
12239
12240   switch (mode)
12241   {
12242     case UNDO_IMMEDIATE:
12243       accumulated_undo = FALSE;
12244       break;
12245
12246     case UNDO_ACCUMULATE:
12247       if (accumulated_undo)
12248         new_undo_buffer_position = FALSE;
12249       accumulated_undo = TRUE;
12250       break;
12251
12252     default:
12253       break;
12254   }
12255
12256   if (new_undo_buffer_position)
12257   {
12258     // advance position in undo buffer ring
12259     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12260
12261     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12262       undo_buffer_steps++;
12263   }
12264
12265   // always reset redo buffer when storing level change into undo buffer
12266   redo_buffer_steps = 0;
12267
12268   for (x = 0; x < lev_fieldx; x++)
12269     for (y = 0; y < lev_fieldy; y++)
12270       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12271
12272   // check if drawing operation forces change of border style
12273   CheckLevelBorderElement(TRUE);
12274
12275   level.changed = TRUE;
12276 }
12277
12278 static void RandomPlacement(int new_element)
12279 {
12280   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12281   int num_free_positions = 0;
12282   int num_percentage, num_elements;
12283   int x, y;
12284
12285   ResetIntelliDraw();
12286
12287   // determine number of free positions for randomly placing the new element
12288   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12289   {
12290     free_position[x][y] =
12291       (random_placement_background_restricted ?
12292        Feld[x][y] == random_placement_background_element :
12293        Feld[x][y] != new_element);
12294
12295     if (free_position[x][y])
12296       num_free_positions++;
12297   }
12298
12299   // determine number of new elements to place there
12300   num_percentage = num_free_positions * random_placement_value / 100;
12301   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12302                   num_percentage : random_placement_value);
12303
12304   // if less free positions than elements to place, fill all these positions
12305   if (num_free_positions < num_elements)
12306   {
12307     for (x = 0; x < lev_fieldx; x++)
12308       for (y = 0; y < lev_fieldy; y++)
12309         if (free_position[x][y])
12310           SetElement(x, y, new_element);
12311   }
12312   else
12313   {
12314     while (num_elements > 0)
12315     {
12316       x = GetSimpleRandom(lev_fieldx);
12317       y = GetSimpleRandom(lev_fieldy);
12318
12319       // don't place element at the same position twice
12320       if (free_position[x][y])
12321       {
12322         free_position[x][y] = FALSE;
12323         SetElement(x, y, new_element);
12324         num_elements--;
12325       }
12326     }
12327   }
12328
12329   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12330   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12331 }
12332
12333 static void WrapLevel(int dx, int dy)
12334 {
12335   int wrap_dx = lev_fieldx - dx;
12336   int wrap_dy = lev_fieldy - dy;
12337   int x, y;
12338
12339   for (x = 0; x < lev_fieldx; x++)
12340     for (y = 0; y < lev_fieldy; y++)
12341       FieldBackup[x][y] = Feld[x][y];
12342
12343   for (x = 0; x < lev_fieldx; x++)
12344     for (y = 0; y < lev_fieldy; y++)
12345       Feld[x][y] =
12346         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12347
12348   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12349   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12350 }
12351
12352 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12353 {
12354   char *template_filename_old = getLocalLevelTemplateFilename();
12355   char *template_filename_new =
12356     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12357
12358   if (copyFile(template_filename_old, template_filename_new) != 0)
12359     Request("Cannot copy level template!", REQ_CONFIRM);
12360
12361   free(template_filename_new);
12362 }
12363
12364 static void HandleDrawingAreas(struct GadgetInfo *gi)
12365 {
12366   static boolean started_inside_drawing_area = FALSE;
12367   static int last_sx = -1, last_sy = -1;
12368   static int last_sx2 = -1, last_sy2 = -1;
12369   int id = gi->custom_id;
12370   int type_id = gi->custom_type_id;
12371   boolean button_press_event;
12372   boolean button_release_event;
12373   boolean inside_drawing_area = !gi->event.off_borders;
12374   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12375   int actual_drawing_function;
12376   int button = gi->event.button;
12377   int new_element = BUTTON_ELEMENT(button);
12378   int sx = gi->event.x, sy = gi->event.y;
12379   int min_sx = 0, min_sy = 0;
12380   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12381   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12382   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12383   int sx2 = gi->event.mx / mini_item_xsize;
12384   int sy2 = gi->event.my / mini_item_ysize;
12385   int dx = sx2 % 2;
12386   int dy = sy2 % 2;
12387   int lx = 0, ly = 0;
12388   int min_lx = 0, min_ly = 0;
12389   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12390   int x, y;
12391
12392   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12393   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12394
12395   // make sure to stay inside drawing area boundaries
12396   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12397   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12398
12399   if (draw_level)
12400   {
12401     // get positions inside level field
12402     lx = sx + level_xpos;
12403     ly = sy + level_ypos;
12404
12405     if (!IN_LEV_FIELD(lx, ly))
12406       inside_drawing_area = FALSE;
12407
12408     // make sure to stay inside level field boundaries
12409     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12410     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12411
12412     // correct drawing area positions accordingly
12413     sx = lx - level_xpos;
12414     sy = ly - level_ypos;
12415   }
12416
12417   // also correct MM wall-sized (double) drawing area positions accordingly
12418   if (sx2 / 2 < sx || sx2 / 2 > sx)
12419   {
12420     dx = (sx2 / 2 < sx ? 0 : 1);
12421     sx2 = sx * 2 + dx;
12422   }
12423   if (sy2 / 2 < sy || sy2 / 2 > sy)
12424   {
12425     dy = (sy2 / 2 < sy ? 0 : 1);
12426     sy2 = sy * 2 + dy;
12427   }
12428
12429   if (button_release_event)
12430   {
12431     last_sx = -1;
12432     last_sy = -1;
12433     last_sx2 = -1;
12434     last_sy2 = -1;
12435   }
12436   else if (!button_press_event)
12437   {
12438     // prevent handling events for every pixel position when moving mouse
12439     if ((sx == last_sx && sy == last_sy &&
12440          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12441         (sx2 == last_sx2 && sy2 == last_sy2))
12442       return;
12443   }
12444
12445   last_sx = sx;
12446   last_sy = sy;
12447   last_sx2 = sx2;
12448   last_sy2 = sy2;
12449
12450   if (button_press_event)
12451     started_inside_drawing_area = inside_drawing_area;
12452
12453   if (!started_inside_drawing_area)
12454     return;
12455
12456   if (!IS_VALID_BUTTON(button))
12457     return;
12458
12459   if (!button && !button_release_event)
12460     return;
12461
12462   // handle info callback for each invocation of action callback
12463   gi->callback_info(gi);
12464
12465   // automatically switch to 'single item' drawing mode, if needed
12466   actual_drawing_function =
12467     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12468      drawing_function : GADGET_ID_SINGLE_ITEMS);
12469
12470   // clicking into drawing area with pressed Control key picks element
12471   if (GetKeyModState() & KMOD_Control)
12472   {
12473     last_drawing_function = drawing_function;
12474     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12475   }
12476
12477   if (GetKeyModState() & KMOD_Shift)
12478   {
12479     if (button_press_event || button_release_event)
12480       ResetIntelliDraw();
12481   }
12482
12483   SetDrawModeHiRes(-1);         // reset to normal draw mode
12484
12485   switch (actual_drawing_function)
12486   {
12487     case GADGET_ID_SINGLE_ITEMS:
12488       if (draw_level)
12489       {
12490         if (button_release_event)
12491         {
12492           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12493
12494           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12495               !inside_drawing_area)
12496             DeleteBrushFromCursor();
12497         }
12498
12499         if (!button || button_release_event)
12500           break;
12501
12502         if (draw_with_brush)
12503         {
12504           CopyBrushToLevel(sx, sy, button);
12505         }
12506         else
12507         {
12508           SetDrawModeHiRes(new_element);
12509
12510           if (new_element == EL_PLAYER_1)
12511           {
12512             // remove player at old position
12513             for (y = 0; y < lev_fieldy; y++)
12514               for (x = 0; x < lev_fieldx; x++)
12515                 if (Feld[x][y] == EL_PLAYER_1)
12516                   SetElement(x, y, EL_EMPTY);
12517           }
12518
12519           SetElementButton(lx, ly, dx, dy, new_element, button);
12520         }
12521       }
12522       else if (!button_release_event)
12523       {
12524         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12525
12526         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12527           DrawMiniGraphicExt(drawto,
12528                              gi->x + sx * MINI_TILEX,
12529                              gi->y + sy * MINI_TILEY,
12530                              el2edimg(new_element));
12531         else
12532           DrawFixedGraphicExt(drawto,
12533                               gi->x + sx * TILEX,
12534                               gi->y + sy * TILEY,
12535                               el2edimg(new_element), 0);
12536
12537         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12538           new_element = GFX_ELEMENT(new_element);
12539
12540         drawingarea_info[type_id].value[pos] = new_element;
12541
12542         CopyElementPropertiesToGame(properties_element);
12543
12544         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12545         {
12546           UpdateCustomElementGraphicGadgets();
12547
12548           FrameCounter = 0;     // restart animation frame counter
12549         }
12550       }
12551       break;
12552
12553     case GADGET_ID_CONNECTED_ITEMS:
12554       {
12555         static int last_sx = -1;
12556         static int last_sy = -1;
12557
12558         if (button_release_event)
12559           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12560
12561         if (button)
12562         {
12563           SetDrawModeHiRes(new_element);
12564
12565           if (getDrawModeHiRes())
12566           {
12567             sx = sx2;
12568             sy = sy2;
12569           }
12570
12571           if (!button_press_event)
12572             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12573
12574           last_sx = sx;
12575           last_sy = sy;
12576         }
12577       }
12578       break;
12579
12580     case GADGET_ID_LINE:
12581     case GADGET_ID_ARC:
12582     case GADGET_ID_RECTANGLE:
12583     case GADGET_ID_FILLED_BOX:
12584       SetDrawModeHiRes(new_element);
12585
12586       if (getDrawModeHiRes())
12587       {
12588         sx = sx2;
12589         sy = sy2;
12590       }
12591       // FALLTHROUGH
12592     case GADGET_ID_GRAB_BRUSH:
12593     case GADGET_ID_TEXT:
12594       {
12595         static int last_sx = -1;
12596         static int last_sy = -1;
12597         static int start_sx = -1;
12598         static int start_sy = -1;
12599         void (*draw_func)(int, int, int, int, int, boolean);
12600
12601         if (drawing_function == GADGET_ID_LINE)
12602           draw_func = DrawLine;
12603         else if (drawing_function == GADGET_ID_ARC)
12604           draw_func = DrawArc;
12605         else if (drawing_function == GADGET_ID_RECTANGLE)
12606           draw_func = DrawBox;
12607         else if (drawing_function == GADGET_ID_FILLED_BOX)
12608           draw_func = DrawFilledBox;
12609         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12610           draw_func = SelectArea;
12611         else // (drawing_function == GADGET_ID_TEXT)
12612           draw_func = SetTextCursor;
12613
12614         if (button_press_event)
12615         {
12616           draw_func(sx, sy, sx, sy, new_element, FALSE);
12617           start_sx = last_sx = sx;
12618           start_sy = last_sy = sy;
12619
12620           if (drawing_function == GADGET_ID_TEXT)
12621             DrawLevelText(0, 0, 0, TEXT_END);
12622         }
12623         else if (button_release_event)
12624         {
12625           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12626           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12627           {
12628             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12629             CopyBrushToCursor(sx, sy);
12630             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12631                           MB_LEFTBUTTON);
12632             draw_with_brush = TRUE;
12633           }
12634           else if (drawing_function == GADGET_ID_TEXT)
12635             DrawLevelText(sx, sy, 0, TEXT_INIT);
12636           else
12637             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12638         }
12639         else if (last_sx != sx || last_sy != sy)
12640         {
12641           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12642           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
12643             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12644           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12645           last_sx = sx;
12646           last_sy = sy;
12647         }
12648       }
12649       break;
12650
12651     case GADGET_ID_FLOOD_FILL:
12652       if (button_press_event && Feld[lx][ly] != new_element)
12653       {
12654         if (IS_MM_WALL_EDITOR(new_element))
12655           FloodFillWall_MM(sx2, sy2, new_element);
12656         else
12657           FloodFill(lx, ly, new_element);
12658
12659         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12660         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12661       }
12662       break;
12663
12664     case GADGET_ID_PICK_ELEMENT:
12665       if (button_release_event)
12666         ClickOnGadget(level_editor_gadget[last_drawing_function],
12667                       MB_LEFTBUTTON);
12668       else if (draw_level)
12669         PickDrawingElement(button, Feld[lx][ly]);
12670       else
12671       {
12672         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12673
12674         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12675       }
12676
12677     default:
12678       break;
12679   }
12680
12681   // do not mark level as modified for certain non-level-changing gadgets
12682   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12683        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12684       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12685       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12686     return;
12687
12688   level.changed = TRUE;
12689 }
12690
12691 static void HandleCounterButtons(struct GadgetInfo *gi)
12692 {
12693   int gadget_id = gi->custom_id;
12694   int counter_id = gi->custom_type_id;
12695   int button = gi->event.button;
12696   int *counter_value = counterbutton_info[counter_id].value;
12697   int step = BUTTON_STEPSIZE(button) *
12698     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12699
12700   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12701   {
12702     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12703     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12704     boolean level_changed = LevelChanged();
12705
12706     if ((level_changed && pressed) || (!level_changed && released))
12707       return;
12708
12709     if (level_changed && !Request("Level has changed! Discard changes?",
12710                                   REQ_ASK))
12711     {
12712       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12713         ModifyEditorCounterValue(counter_id, *counter_value);
12714
12715       return;
12716     }
12717   }
12718
12719   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12720     *counter_value = gi->textinput.number_value;
12721   else
12722     ModifyEditorCounterValue(counter_id, *counter_value + step);
12723
12724   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12725   {
12726     int last_game_engine_type = level.game_engine_type;
12727
12728     LoadLevel(level_nr);
12729     LoadScore(level_nr);
12730
12731     SaveLevelSetup_SeriesInfo();
12732
12733     TapeErase();
12734
12735     ResetUndoBuffer();
12736     DrawEditModeWindow();
12737
12738     if (level.game_engine_type != last_game_engine_type)
12739     {
12740       // update element selection list
12741       ReinitializeElementList();
12742       ModifyEditorElementList();
12743     }
12744
12745     return;
12746   }
12747
12748   switch (counter_id)
12749   {
12750     case ED_COUNTER_ID_YAMYAM_CONTENT:
12751       DrawYamYamContentAreas();
12752       break;
12753
12754     case ED_COUNTER_ID_BALL_CONTENT:
12755       DrawMagicBallContentAreas();
12756       break;
12757
12758     case ED_COUNTER_ID_ANDROID_CONTENT:
12759       DrawAndroidElementArea(properties_element);
12760       break;
12761
12762     case ED_COUNTER_ID_GROUP_CONTENT:
12763       DrawGroupElementArea(properties_element);
12764       CopyGroupElementPropertiesToGame(properties_element);
12765       break;
12766
12767     case ED_COUNTER_ID_INVENTORY_SIZE:
12768       DrawPlayerInitialInventoryArea(properties_element);
12769       break;
12770
12771     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12772     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12773       DrawEnvelopeTextArea(-1);
12774       break;
12775
12776     case ED_COUNTER_ID_LEVEL_XSIZE:
12777     case ED_COUNTER_ID_LEVEL_YSIZE:
12778       lev_fieldx = level.fieldx;
12779       lev_fieldy = level.fieldy;
12780
12781       // check if resizing of level results in change of border border
12782       SetBorderElement();
12783
12784       break;
12785
12786     default:
12787       break;
12788   }
12789
12790   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12791        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12792       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12793        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12794     CopyElementPropertiesToGame(properties_element);
12795
12796   // do not mark level as modified for certain non-level-changing gadgets
12797   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12798        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12799       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12800        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12801     return;
12802
12803   level.changed = TRUE;
12804 }
12805
12806 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12807 {
12808   int type_id = gi->custom_type_id;
12809
12810   strcpy(textinput_info[type_id].value, gi->textinput.value);
12811
12812   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12813   {
12814     CopyElementPropertiesToGame(properties_element);
12815
12816     ModifyEditorElementList();  // update changed button info text
12817   }
12818
12819   // do not mark level as modified for certain non-level-changing gadgets
12820   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12821       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12822     return;
12823
12824   level.changed = TRUE;
12825 }
12826
12827 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12828 {
12829   int type_id = gi->custom_type_id;
12830
12831   strncpy(textarea_info[type_id].value, gi->textarea.value,
12832           MAX_ENVELOPE_TEXT_LEN);
12833   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12834
12835   level.changed = TRUE;
12836 }
12837
12838 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12839 {
12840   int type_id = gi->custom_type_id;
12841   int value_old = *selectbox_info[type_id].value;
12842   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12843
12844   *selectbox_info[type_id].value = value_new;
12845
12846   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12847   {
12848     DrawLevelInfoWindow();
12849   }
12850   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12851   {
12852     element_info[properties_element].current_change_page = gi->selectbox.index;
12853
12854     DrawPropertiesWindow();
12855   }
12856   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12857             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12858            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12859             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12860            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12861   {
12862     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12863     {
12864       // when changing action type, also check action mode and action arg
12865       if (value_old != value_new)
12866         setSelectboxSpecialActionVariablesIfNeeded();
12867
12868       DrawPropertiesChange();
12869     }
12870
12871     CopyElementPropertiesToGame(properties_element);
12872   }
12873   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12874   {
12875     // update element selection list
12876     ReinitializeElementList();
12877     ModifyEditorElementList();
12878   }
12879
12880   // do not mark level as modified for certain non-level-changing gadgets
12881   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12882       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12883     return;
12884
12885   level.changed = TRUE;
12886 }
12887
12888 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12889 {
12890   int type_id = gi->custom_type_id;
12891   int i;
12892
12893   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12894       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12895   {
12896     edit_mode_levelinfo = gi->custom_type_id;
12897
12898     DrawLevelInfoWindow();
12899   }
12900   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12901            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12902   {
12903     edit_mode_properties = gi->custom_type_id;
12904
12905     DrawPropertiesWindow();
12906   }
12907   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12908            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12909   {
12910     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12911
12912     // backup original "level.field" (needed to track playfield changes)
12913     CopyPlayfield(level.field, FieldBackup);
12914
12915     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
12916     CopyPlayfield(Feld, level.field);
12917
12918     if (new_template ||
12919         Request("Save this template and kill the old?", REQ_ASK))
12920       SaveLevelTemplate();
12921
12922     if (new_template)
12923       Request("Template saved!", REQ_CONFIRM);
12924
12925     // restore original "level.field" (needed to track playfield changes)
12926     CopyPlayfield(FieldBackup, level.field);
12927   }
12928   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12929   {
12930     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12931
12932     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12933         leveldir_current->readonly)
12934     {
12935       Request("This level set is read only!", REQ_CONFIRM);
12936
12937       return;
12938     }
12939
12940     if (strEqual(levelset_name, ""))
12941     {
12942       Request("Please enter level set title!", REQ_CONFIRM);
12943
12944       return;
12945     }
12946
12947     if (strEqual(levelset_author, ""))
12948     {
12949       Request("Please enter level set author!", REQ_CONFIRM);
12950
12951       return;
12952     }
12953
12954     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12955     {
12956       if (UpdateUserLevelSet(levelset_subdir,
12957                              levelset_name,
12958                              levelset_author,
12959                              levelset_num_levels))
12960       {
12961         Request("Level set updated!", REQ_CONFIRM);
12962       }
12963       else
12964       {
12965         Request("Updating level set failed!", REQ_CONFIRM);
12966       }
12967     }
12968     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
12969     {
12970       if (level.changed && !Request("Level has changed! Discard changes?",
12971                                      REQ_ASK))
12972         return;
12973
12974       if (CreateUserLevelSet(levelset_subdir,
12975                              levelset_name,
12976                              levelset_author,
12977                              levelset_num_levels,
12978                              levelset_use_levelset_artwork))
12979       {
12980         if (levelset_copy_level_template)
12981           CopyLevelTemplateToUserLevelSet(levelset_subdir);
12982
12983         Request("New level set created!", REQ_CONFIRM);
12984
12985         AddUserLevelSetToLevelInfo(levelset_subdir);
12986         ChangeEditorToLevelSet(levelset_subdir);
12987       }
12988       else
12989       {
12990         Request("Creating new level set failed!", REQ_CONFIRM);
12991       }
12992     }
12993   }
12994   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12995            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12996   {
12997     struct ElementInfo *ei = &element_info[properties_element];
12998
12999     // when modifying custom element, ask for copying level template
13000     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13001       return;
13002
13003     setElementChangePages(ei, ei->num_change_pages + 1);
13004
13005     // set new change page to be new current change page
13006     ei->current_change_page = ei->num_change_pages - 1;
13007     ei->change = &ei->change_page[ei->current_change_page];
13008
13009     setElementChangeInfoToDefaults(ei->change);
13010
13011     DrawPropertiesWindow();
13012
13013     level.changed = TRUE;
13014   }
13015   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13016            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13017   {
13018     struct ElementInfo *ei = &element_info[properties_element];
13019
13020     // when modifying custom element, ask for copying level template
13021     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13022       return;
13023
13024     // copy all change pages after change page to be deleted
13025     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13026       ei->change_page[i] = ei->change_page[i + 1];
13027
13028     setElementChangePages(ei, ei->num_change_pages - 1);
13029
13030     DrawPropertiesWindow();
13031
13032     level.changed = TRUE;
13033   }
13034 }
13035
13036 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13037 {
13038   int type_id = gi->custom_type_id;
13039
13040   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13041       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13042   {
13043     struct ElementInfo *ei = &element_info[properties_element];
13044     int step = BUTTON_STEPSIZE(gi->event.button);
13045
13046     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13047     ei->current_change_page += step;
13048
13049     if (ei->current_change_page < 0)
13050       ei->current_change_page = 0;
13051     else if (ei->current_change_page >= ei->num_change_pages)
13052       ei->current_change_page = ei->num_change_pages - 1;
13053
13054     DrawPropertiesWindow();
13055   }
13056   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13057            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13058   {
13059     struct ElementInfo *ei = &element_info[properties_element];
13060     int current_change_page = ei->current_change_page;
13061
13062     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13063     {
13064       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13065         ei->change_page[current_change_page];
13066     }
13067     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13068     {
13069       // when modifying custom element, ask for copying level template
13070       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13071         return;
13072
13073       ei->change_page[current_change_page] =
13074         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13075
13076       level.changed = TRUE;
13077     }
13078
13079     DrawPropertiesWindow();
13080   }
13081 }
13082
13083 static void HandleRadiobuttons(struct GadgetInfo *gi)
13084 {
13085   int type_id = gi->custom_type_id;
13086
13087   *radiobutton_info[type_id].value =
13088     radiobutton_info[type_id].checked_value;
13089
13090   // do not mark level as modified for certain non-level-changing gadgets
13091   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13092       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13093     return;
13094
13095   level.changed = TRUE;
13096 }
13097
13098 static void HandleCheckbuttons(struct GadgetInfo *gi)
13099 {
13100   int type_id = gi->custom_type_id;
13101
13102   *checkbutton_info[type_id].value ^= TRUE;
13103
13104   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13105       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13106       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13107       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13108          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13109         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13110          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13111        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13112   {
13113     CopyElementPropertiesToGame(properties_element);
13114   }
13115
13116   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13117   {
13118     UpdateCustomElementGraphicGadgets();
13119   }
13120   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13121            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13122   {
13123     boolean template_related_changes_found = FALSE;
13124     int i;
13125
13126     // check if any custom or group elements have been changed
13127     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13128       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13129           element_info[i].modified_settings)
13130         template_related_changes_found = TRUE;
13131
13132     if (level.use_custom_template &&
13133         !fileExists(getGlobalLevelTemplateFilename()))
13134     {
13135       Request("No level template found!", REQ_CONFIRM);
13136
13137       level.use_custom_template = FALSE;
13138
13139       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13140
13141       return;
13142     }
13143
13144     if (level.use_custom_template &&
13145         template_related_changes_found &&
13146         !Request("Discard changes and use level template?", REQ_ASK))
13147     {
13148       level.use_custom_template = FALSE;
13149
13150       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13151
13152       return;
13153     }
13154
13155     if (!level.use_custom_template &&
13156         Request("Copy settings from level template?", REQ_ASK))
13157     {
13158       return;
13159     }
13160
13161     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13162
13163     DrawEditModeWindow();
13164   }
13165   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13166   {
13167     if (setup.editor.use_template_for_new_levels &&
13168         !fileExists(getGlobalLevelTemplateFilename()))
13169     {
13170       Request("No level template found!", REQ_CONFIRM);
13171
13172       return;
13173     }
13174
13175     if (setup.editor.use_template_for_new_levels &&
13176         level.changed &&
13177         !Request("Discard level and load template?", REQ_ASK))
13178     {
13179       return;
13180     }
13181
13182     if (!setup.editor.use_template_for_new_levels &&
13183         level.changed &&
13184         !Request("Discard level and use empty level?", REQ_ASK))
13185     {
13186       return;
13187     }
13188
13189     LoadLevel(level_nr);
13190     LoadScore(level_nr);
13191
13192     TapeErase();
13193
13194     ResetUndoBuffer();
13195     DrawEditModeWindow();
13196   }
13197   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13198   {
13199     SetAutomaticNumberOfGemsNeeded();
13200   }
13201
13202   // do not mark level as modified for certain non-level-changing gadgets
13203   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13204        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13205       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13206        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13207        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13208       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13209     return;
13210
13211   level.changed = TRUE;
13212 }
13213
13214 static void HandleControlButtons(struct GadgetInfo *gi)
13215 {
13216   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13217   static int last_edit_mode = ED_MODE_DRAWING;
13218   static int last_custom_copy_mode = -1;
13219   static int last_button = 0;
13220   int id = gi->custom_id;
13221   int button = gi->event.button;
13222   int step = BUTTON_STEPSIZE(button);
13223   int new_element = BUTTON_ELEMENT(button);
13224   int last_properties_element = properties_element;
13225   int x, y;
13226
13227   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13228     DrawLevelText(0, 0, 0, TEXT_END);
13229
13230   if (id < ED_NUM_CTRL1_BUTTONS &&
13231       id != GADGET_ID_SINGLE_ITEMS &&
13232       id != GADGET_ID_PICK_ELEMENT &&
13233       edit_mode != ED_MODE_DRAWING &&
13234       drawing_function != GADGET_ID_PICK_ELEMENT &&
13235       !(GetKeyModState() & KMOD_Control))
13236     ChangeEditModeWindow(ED_MODE_DRAWING);
13237
13238   // element copy mode active, but no element button pressed => deactivate
13239   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13240     last_custom_copy_mode = -1;
13241
13242   // when showing palette on element buttons, change element of button used
13243   if (editor.palette.show_on_element_buttons &&
13244       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13245   {
13246     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13247
13248     id = GADGET_ID_PALETTE;
13249   }
13250
13251   switch (id)
13252   {
13253     case GADGET_ID_SCROLL_LEFT:
13254       if (level_xpos >= 0)
13255       {
13256         if (lev_fieldx < ed_fieldx - 2)
13257           break;
13258
13259         level_xpos -= step;
13260         if (level_xpos < -1)
13261           level_xpos = -1;
13262         if (button == 1)
13263           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13264         else
13265           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13266
13267         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13268                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13269       }
13270       break;
13271
13272     case GADGET_ID_SCROLL_RIGHT:
13273       if (level_xpos <= lev_fieldx - ed_fieldx)
13274       {
13275         if (lev_fieldx < ed_fieldx - 2)
13276           break;
13277
13278         level_xpos += step;
13279         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13280           level_xpos = lev_fieldx - ed_fieldx + 1;
13281         if (button == 1)
13282           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13283         else
13284           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13285
13286         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13287                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13288       }
13289       break;
13290
13291     case GADGET_ID_SCROLL_UP:
13292       if (level_ypos >= 0)
13293       {
13294         if (lev_fieldy < ed_fieldy - 2)
13295           break;
13296
13297         level_ypos -= step;
13298         if (level_ypos < -1)
13299           level_ypos = -1;
13300         if (button == 1)
13301           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13302         else
13303           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13304
13305         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13306                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13307       }
13308       break;
13309
13310     case GADGET_ID_SCROLL_DOWN:
13311       if (level_ypos <= lev_fieldy - ed_fieldy)
13312       {
13313         if (lev_fieldy < ed_fieldy - 2)
13314           break;
13315
13316         level_ypos += step;
13317         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13318           level_ypos = lev_fieldy - ed_fieldy + 1;
13319         if (button == 1)
13320           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13321         else
13322           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13323
13324         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13325                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13326       }
13327       break;
13328
13329     case GADGET_ID_SCROLL_HORIZONTAL:
13330       level_xpos = gi->event.item_position - 1;
13331
13332       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13333       BackToFront();
13334
13335       break;
13336
13337     case GADGET_ID_SCROLL_VERTICAL:
13338       level_ypos = gi->event.item_position - 1;
13339
13340       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13341       BackToFront();
13342
13343       break;
13344
13345     case GADGET_ID_SCROLL_LIST_UP:
13346     case GADGET_ID_SCROLL_LIST_DOWN:
13347     case GADGET_ID_SCROLL_LIST_VERTICAL:
13348       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13349         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13350       else
13351       {
13352         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13353         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13354
13355         if (element_shift < 0)
13356           element_shift = 0;
13357         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13358           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13359
13360         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13361                      GDI_SCROLLBAR_ITEM_POSITION,
13362                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13363       }
13364
13365       ModifyEditorElementList();
13366
13367       break;
13368
13369     case GADGET_ID_PROPERTIES:
13370       // always switch off element properties when they are already displayed
13371       last_properties_element = new_element;
13372     case GADGET_ID_ELEMENT_LEFT:
13373     case GADGET_ID_ELEMENT_MIDDLE:
13374     case GADGET_ID_ELEMENT_RIGHT:
13375       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13376                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13377                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13378                             new_element);
13379
13380       if (edit_mode != ED_MODE_PROPERTIES)
13381       {
13382         last_edit_mode = edit_mode;
13383
13384         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13385
13386         last_level_drawing_function = drawing_function;
13387         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13388                       MB_LEFTBUTTON);
13389       }
13390       else if (properties_element != last_properties_element)
13391       {
13392         DrawEditModeWindow();
13393       }
13394       else
13395       {
13396         ChangeEditModeWindow(last_edit_mode);
13397
13398         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13399                       MB_LEFTBUTTON);
13400       }
13401       break;
13402
13403     case GADGET_ID_PALETTE:
13404       if (edit_mode != ED_MODE_PALETTE)
13405       {
13406         last_edit_mode = edit_mode;
13407
13408         ChangeEditModeWindow(ED_MODE_PALETTE);
13409       }
13410       else
13411       {
13412         ChangeEditModeWindow(last_edit_mode);
13413       }
13414       break;
13415
13416     case GADGET_ID_WRAP_LEFT:
13417       WrapLevel(-step, 0);
13418       break;
13419
13420     case GADGET_ID_WRAP_RIGHT:
13421       WrapLevel(step, 0);
13422       break;
13423
13424     case GADGET_ID_WRAP_UP:
13425       WrapLevel(0, -step);
13426       break;
13427
13428     case GADGET_ID_WRAP_DOWN:
13429       WrapLevel(0, step);
13430       break;
13431
13432     case GADGET_ID_SINGLE_ITEMS:
13433     case GADGET_ID_CONNECTED_ITEMS:
13434     case GADGET_ID_LINE:
13435     case GADGET_ID_ARC:
13436     case GADGET_ID_TEXT:
13437     case GADGET_ID_RECTANGLE:
13438     case GADGET_ID_FILLED_BOX:
13439     case GADGET_ID_FLOOD_FILL:
13440     case GADGET_ID_GRAB_BRUSH:
13441     case GADGET_ID_PICK_ELEMENT:
13442       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13443         last_drawing_function = drawing_function;
13444       drawing_function = id;
13445       draw_with_brush = FALSE;
13446       break;
13447
13448     case GADGET_ID_RANDOM_PLACEMENT:
13449       RandomPlacement(new_element);
13450       break;
13451
13452     case GADGET_ID_ZOOM:
13453       // zoom level editor tile size in or out (or reset to default size)
13454       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13455                      button == 2 ? ed_tilesize_default :
13456                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13457
13458       // limit zoom level by upper and lower bound
13459       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13460
13461       InitZoomLevelSettings(ed_tilesize);
13462
13463       if (edit_mode == ED_MODE_DRAWING)
13464       {
13465         DrawDrawingWindow();
13466
13467         // redraw zoom gadget info text
13468         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13469       }
13470
13471       // save current editor zoom tilesize
13472       SaveSetup_AutoSetup();
13473
13474       break;
13475
13476     case GADGET_ID_CUSTOM_COPY_FROM:
13477     case GADGET_ID_CUSTOM_COPY_TO:
13478     case GADGET_ID_CUSTOM_EXCHANGE:
13479       last_custom_copy_mode = id;
13480       last_drawing_function = drawing_function;
13481       break;
13482
13483     case GADGET_ID_CUSTOM_COPY:
13484       CopyCustomElement(properties_element, -1, id);
13485       break;
13486
13487     case GADGET_ID_CUSTOM_PASTE:
13488       CopyCustomElement(-1, properties_element, id);
13489       break;
13490
13491     case GADGET_ID_UNDO:
13492       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13493         button = 3;
13494
13495       if (button == 1 && undo_buffer_steps == 0)
13496       {
13497         Request("Undo buffer empty!", REQ_CONFIRM);
13498
13499         break;
13500       }
13501       else if (button == 2)
13502       {
13503         break;
13504       }
13505       else if (button == 3 && redo_buffer_steps == 0)
13506       {
13507         Request("Redo buffer empty!", REQ_CONFIRM);
13508
13509         break;
13510       }
13511
13512       if (edit_mode != ED_MODE_DRAWING)
13513         ChangeEditModeWindow(ED_MODE_DRAWING);
13514
13515       if (button == 1)
13516       {
13517         // undo
13518
13519         undo_buffer_position =
13520           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13521
13522         undo_buffer_steps--;
13523         redo_buffer_steps++;
13524       }
13525       else
13526       {
13527         // redo
13528
13529         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13530
13531         undo_buffer_steps++;
13532         redo_buffer_steps--;
13533       }
13534
13535       for (x = 0; x < lev_fieldx; x++)
13536         for (y = 0; y < lev_fieldy; y++)
13537           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13538
13539       // check if undo operation forces change of border style
13540       CheckLevelBorderElement(FALSE);
13541
13542       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13543
13544       break;
13545
13546     case GADGET_ID_INFO:
13547       if (edit_mode != ED_MODE_INFO)
13548       {
13549         last_edit_mode = edit_mode;
13550
13551         ChangeEditModeWindow(ED_MODE_INFO);
13552       }
13553       else
13554       {
13555         ChangeEditModeWindow(last_edit_mode);
13556       }
13557       break;
13558
13559     case GADGET_ID_CLEAR:
13560       if (edit_mode != ED_MODE_DRAWING)
13561         ChangeEditModeWindow(ED_MODE_DRAWING);
13562
13563       for (x = 0; x < MAX_LEV_FIELDX; x++)
13564         for (y = 0; y < MAX_LEV_FIELDY; y++)
13565           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13566
13567       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13568
13569       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13570       break;
13571
13572     case GADGET_ID_SAVE:
13573     {
13574       /* saving read-only levels into personal level set modifies global vars
13575          "leveldir_current" and "level_nr"; restore them after saving level */
13576       LevelDirTree *leveldir_former = leveldir_current;
13577       int level_nr_former = level_nr;
13578       char *level_filename;
13579       boolean new_level;
13580
13581       if (leveldir_current->readonly &&
13582           !PrepareSavingIntoPersonalLevelSet())
13583         break;
13584
13585       level_filename = getDefaultLevelFilename(level_nr);
13586       new_level = !fileExists(level_filename);
13587
13588       if (new_level ||
13589           Request("Save this level and kill the old?", REQ_ASK))
13590       {
13591         if (leveldir_former->readonly)
13592           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13593
13594         SetAutomaticNumberOfGemsNeeded();
13595
13596         CopyPlayfield(Feld, level.field);
13597         SaveLevel(level_nr);
13598
13599         level.changed = FALSE;
13600
13601         if (new_level)
13602         {
13603           char level_saved_msg[64];
13604
13605           if (leveldir_former->readonly)
13606             sprintf(level_saved_msg,
13607                     "Level saved as level %d into personal level set!",
13608                     level_nr);
13609           else
13610             strcpy(level_saved_msg, "Level saved!");
13611
13612           Request(level_saved_msg, REQ_CONFIRM);
13613         }
13614       }
13615
13616       // "cd" back to copied-from levelset (in case of saved read-only level)
13617       leveldir_current = leveldir_former;
13618       level_nr = level_nr_former;
13619
13620       break;
13621     }
13622
13623     case GADGET_ID_TEST:
13624       if (LevelChanged())
13625         level.game_version = GAME_VERSION_ACTUAL;
13626
13627       CopyPlayfield(level.field, FieldBackup);
13628       CopyPlayfield(Feld, level.field);
13629
13630       CopyNativeLevel_RND_to_Native(&level);
13631
13632       UnmapLevelEditorGadgets();
13633       UndrawSpecialEditorDoor();
13634
13635       CloseDoor(DOOR_CLOSE_ALL);
13636
13637       // needed before playing if editor playfield area has different size
13638       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13639
13640       // redraw_mask = REDRAW_ALL;
13641
13642       level_editor_test_game = TRUE;
13643
13644       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13645
13646       break;
13647
13648     case GADGET_ID_EXIT:
13649       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
13650       break;
13651
13652     default:
13653       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13654           id <= GADGET_ID_ELEMENTLIST_LAST)
13655       {
13656         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13657         int new_element = editor_elements[element_position + element_shift];
13658
13659         if (IS_EDITOR_CASCADE(new_element))
13660         {
13661           int i;
13662
13663           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13664           {
13665             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13666             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13667
13668             if (*cascade_element == new_element)
13669             {
13670               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13671               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13672
13673               // update element selection list
13674               ReinitializeElementList();
13675               ModifyEditorElementList();
13676
13677               // update cascading gadget info text
13678               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13679
13680               // save current editor cascading state
13681               SaveSetup_EditorCascade();
13682
13683               break;
13684             }
13685           }
13686
13687           break;
13688         }
13689
13690         if (last_custom_copy_mode != -1)
13691         {
13692           if (CopyCustomElement(properties_element, new_element,
13693                                 last_custom_copy_mode))
13694           {
13695             ClickOnGadget(level_editor_gadget[last_drawing_function],
13696                           MB_LEFTBUTTON);
13697
13698             last_custom_copy_mode = -1;
13699           }
13700
13701           break;
13702         }
13703
13704         // change element of button used to show palette
13705         if (editor.palette.show_on_element_buttons)
13706           button = last_button;
13707
13708         PickDrawingElement(button, new_element);
13709
13710         if (!stick_element_properties_window &&
13711             drawing_function != GADGET_ID_PICK_ELEMENT &&
13712             !(GetKeyModState() & KMOD_Control))
13713         {
13714           properties_element = new_element;
13715           if (edit_mode == ED_MODE_PROPERTIES)
13716             DrawPropertiesWindow();
13717         }
13718
13719         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13720           ClickOnGadget(level_editor_gadget[last_drawing_function],
13721                         MB_LEFTBUTTON);
13722
13723         if (!use_permanent_palette)
13724           ChangeEditModeWindow(last_edit_mode);
13725       }
13726 #ifdef DEBUG
13727       else if (gi->event.type == GD_EVENT_PRESSED)
13728         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13729       else if (gi->event.type == GD_EVENT_RELEASED)
13730         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13731       else if (gi->event.type == GD_EVENT_MOVING)
13732         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13733       else
13734         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13735 #endif
13736       break;
13737   }
13738 }
13739
13740 void HandleLevelEditorKeyInput(Key key)
13741 {
13742   char letter = getCharFromKey(key);
13743   int button = MB_LEFTBUTTON;
13744
13745   if (drawing_function == GADGET_ID_TEXT &&
13746       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13747   {
13748     if (letter)
13749       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13750     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13751       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13752     else if (key == KSYM_Return)
13753       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13754     else if (key == KSYM_Escape)
13755       DrawLevelText(0, 0, 0, TEXT_END);
13756   }
13757   else if (button_status == MB_RELEASED)
13758   {
13759     int id = GADGET_ID_NONE;
13760     int new_element_shift = element_shift;
13761     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13762     int i;
13763
13764     switch (key)
13765     {
13766       case KSYM_Left:
13767         id = GADGET_ID_SCROLL_LEFT;
13768         break;
13769       case KSYM_Right:
13770         id = GADGET_ID_SCROLL_RIGHT;
13771         break;
13772       case KSYM_Up:
13773         id = GADGET_ID_SCROLL_UP;
13774         break;
13775       case KSYM_Down:
13776         id = GADGET_ID_SCROLL_DOWN;
13777         break;
13778
13779       case KSYM_Page_Up:
13780       case KSYM_Page_Down:
13781         step *= (key == KSYM_Page_Up ? -1 : +1);
13782         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13783
13784         if (element_shift < 0)
13785           element_shift = 0;
13786         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13787           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13788
13789         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13790                      GDI_SCROLLBAR_ITEM_POSITION,
13791                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13792
13793         ModifyEditorElementList();
13794
13795         break;
13796
13797       case KSYM_Home:
13798       case KSYM_End:
13799         element_shift = (key == KSYM_Home ? 0 :
13800                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13801
13802         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13803                      GDI_SCROLLBAR_ITEM_POSITION,
13804                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13805
13806         ModifyEditorElementList();
13807
13808         break;
13809
13810       case KSYM_Insert:
13811       case KSYM_Delete:
13812
13813         // this is needed to prevent interference with running "True X-Mouse"
13814         if (GetKeyModStateFromEvents() & KMOD_Control)
13815           break;
13816
13817         // check for last or next editor cascade block in element list
13818         for (i = 0; i < num_editor_elements; i++)
13819         {
13820           if ((key == KSYM_Insert && i == element_shift) ||
13821               (key == KSYM_Delete && new_element_shift > element_shift))
13822             break;
13823
13824           // jump to next cascade block (or to start of element list)
13825           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13826             new_element_shift = i;
13827         }
13828
13829         if (i < num_editor_elements)
13830           element_shift = new_element_shift;
13831
13832         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13833           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13834
13835         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13836                      GDI_SCROLLBAR_ITEM_POSITION,
13837                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13838
13839         ModifyEditorElementList();
13840
13841         break;
13842
13843       case KSYM_Escape:
13844         if (edit_mode == ED_MODE_DRAWING)
13845         {
13846           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13847         }
13848         else if (edit_mode == ED_MODE_INFO)
13849         {
13850           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13851         }
13852         else if (edit_mode == ED_MODE_PROPERTIES)
13853         {
13854           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13855         }
13856         else if (edit_mode == ED_MODE_PALETTE)
13857         {
13858           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13859         }
13860         else            // should never happen
13861         {
13862           ChangeEditModeWindow(ED_MODE_DRAWING);
13863         }
13864
13865         break;
13866
13867       default:
13868         break;
13869     }
13870
13871     if (id != GADGET_ID_NONE)
13872       ClickOnGadget(level_editor_gadget[id], button);
13873     else if (letter == '1' || letter == '?')
13874       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13875     else if (letter == '2')
13876       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13877     else if (letter == '3')
13878       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13879     else if (letter == '.')
13880       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13881     else if (letter == 'U')
13882       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13883     else if (letter == '-' || key == KSYM_KP_Subtract)
13884       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13885     else if (letter == '0' || key == KSYM_KP_0)
13886       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13887     else if (letter == '+' || key == KSYM_KP_Add ||
13888              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13889       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13890     else if (key == KSYM_Return ||
13891              key == KSYM_space ||
13892              key == setup.shortcut.toggle_pause)
13893       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13894     else
13895       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13896         if (letter && letter == controlbutton_info[i].shortcut)
13897           if (!anyTextGadgetActive())
13898             ClickOnGadget(level_editor_gadget[i], button);
13899   }
13900 }
13901
13902 void HandleLevelEditorIdle(void)
13903 {
13904   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13905   int x = editor.settings.element_graphic.x + element_border;
13906   int y = editor.settings.element_graphic.y + element_border;
13907   static unsigned int action_delay = 0;
13908   unsigned int action_delay_value = GameFrameDelay;
13909   int i;
13910
13911   if (edit_mode != ED_MODE_PROPERTIES)
13912     return;
13913
13914   if (!DelayReached(&action_delay, action_delay_value))
13915     return;
13916
13917   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13918   {
13919     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13920
13921     if (gi->mapped && gi->active && gi->selectbox.open)
13922       return;
13923   }
13924
13925   DrawEditorElementAnimation(SX + x, SY + y);
13926
13927   redraw_mask |= REDRAW_FIELD;
13928
13929   FrameCounter++;       // increase animation frame counter
13930 }
13931
13932 static void ClearEditorGadgetInfoText(void)
13933 {
13934   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13935 }
13936
13937 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13938 {
13939   char infotext[MAX_OUTPUT_LINESIZE + 1];
13940   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13941   int max_infotext_len = getMaxInfoTextLength();
13942
13943   if (gi == NULL || strlen(gi->info_text) == 0)
13944     return;
13945
13946   strncpy(infotext, gi->info_text, max_infotext_len);
13947   infotext[max_infotext_len] = '\0';
13948
13949   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13950   {
13951     int key = controlbutton_info[gi->custom_id].shortcut;
13952
13953     if (key)
13954     {
13955       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13956         sprintf(shortcut, " ('.' or '%c')", key);
13957       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13958         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13959       else if (gi->custom_id == GADGET_ID_TEST)
13960         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13961       else if (gi->custom_id == GADGET_ID_UNDO)
13962         sprintf(shortcut, " ('%c/Shift-U')", key);
13963       else if (gi->custom_id == GADGET_ID_ZOOM)
13964         sprintf(shortcut, " ('%c', '0', '-')", key);
13965       else
13966         sprintf(shortcut, " ('%s%c')",
13967                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13968
13969       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13970         strcat(infotext, shortcut);
13971     }
13972   }
13973
13974   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13975 }
13976
13977 void HandleEditorGadgetInfoText(void *ptr)
13978 {
13979   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13980
13981   if (game_status != GAME_MODE_EDITOR)
13982     return;
13983
13984   ClearEditorGadgetInfoText();
13985
13986   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13987     return;
13988
13989   // misuse this function to delete brush cursor, if needed
13990   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13991     DeleteBrushFromCursor();
13992
13993   PrintEditorGadgetInfoText(gi);
13994 }
13995
13996 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13997 {
13998   static int start_lx, start_ly;
13999   int id = gi->custom_id;
14000   int type_id = gi->custom_type_id;
14001   int sx = gi->event.x;
14002   int sy = gi->event.y;
14003   int lx = sx + level_xpos;
14004   int ly = sy + level_ypos;
14005   int min_sx = 0, min_sy = 0;
14006   int max_sx = gi->drawing.area_xsize - 1;
14007   int max_sy = gi->drawing.area_ysize - 1;
14008   int actual_drawing_function = drawing_function;
14009   int max_infotext_len = getMaxInfoTextLength();
14010   char infotext[MAX_OUTPUT_LINESIZE + 1];
14011   char *text;
14012
14013   infotext[0] = '\0';           // start with empty info text
14014
14015   // pressed Control key: simulate picking element
14016   if (GetKeyModState() & KMOD_Control)
14017     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14018
14019   ClearEditorGadgetInfoText();
14020
14021   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14022     return;
14023
14024   // make sure to stay inside drawing area boundaries
14025   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14026   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14027
14028   if (id == GADGET_ID_DRAWING_LEVEL)
14029   {
14030     if (button_status)
14031     {
14032       int min_lx = 0, min_ly = 0;
14033       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14034
14035       // get positions inside level field
14036       lx = sx + level_xpos;
14037       ly = sy + level_ypos;
14038
14039       // make sure to stay inside level field boundaries
14040       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14041       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14042
14043       // correct drawing area positions accordingly
14044       sx = lx - level_xpos;
14045       sy = ly - level_ypos;
14046     }
14047
14048     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14049     {
14050       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14051       {
14052         if (gi->event.type == GD_EVENT_PRESSED)
14053         {
14054           start_lx = lx;
14055           start_ly = ly;
14056         }
14057
14058         switch (actual_drawing_function)
14059         {
14060           case GADGET_ID_SINGLE_ITEMS:
14061             text = "Drawing single items";
14062             break;
14063           case GADGET_ID_CONNECTED_ITEMS:
14064             text = "Drawing connected items";
14065             break;
14066           case GADGET_ID_LINE:
14067             text = "Drawing line";
14068             break;
14069           case GADGET_ID_ARC:
14070             text = "Drawing arc";
14071             break;
14072           case GADGET_ID_TEXT:
14073             text = "Setting text cursor";
14074             break;
14075           case GADGET_ID_RECTANGLE:
14076             text = "Drawing rectangle";
14077             break;
14078           case GADGET_ID_FILLED_BOX:
14079             text = "Drawing filled box";
14080             break;
14081           case GADGET_ID_FLOOD_FILL:
14082             text = "Flood fill";
14083             break;
14084           case GADGET_ID_GRAB_BRUSH:
14085             text = "Grabbing brush";
14086             break;
14087           case GADGET_ID_PICK_ELEMENT:
14088             text = "Picking element";
14089             break;
14090
14091           default:
14092             text = "Drawing position";
14093             break;
14094         }
14095
14096         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14097           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14098         else
14099           sprintf(infotext, "%s: %d, %d", text,
14100                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14101       }
14102       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14103         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14104       else
14105         sprintf(infotext, "Level position: %d, %d", lx, ly);
14106     }
14107
14108     // misuse this function to draw brush cursor, if needed
14109     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14110     {
14111       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14112         CopyBrushToCursor(sx, sy);
14113       else
14114         DeleteBrushFromCursor();
14115     }
14116   }
14117   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14118   {
14119     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14120     int element = drawingarea_info[type_id].value[pos];
14121
14122     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14123   }
14124   else
14125   {
14126     if (id == GADGET_ID_CUSTOM_CONTENT)
14127       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14128     else if (id == GADGET_ID_GROUP_CONTENT)
14129       sprintf(infotext, "group element position: %d", sx + 1);
14130     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14131              id <= GADGET_ID_YAMYAM_CONTENT_7)
14132       sprintf(infotext, "content area %d position: %d, %d",
14133               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14134     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14135              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14136       sprintf(infotext, "content area %d position: %d, %d",
14137               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14138     else if (id == GADGET_ID_ANDROID_CONTENT)
14139       sprintf(infotext, "android element position: %d", sx + 1);
14140     else if (drawingarea_info[type_id].infotext != NULL)
14141       strcpy(infotext, drawingarea_info[type_id].infotext);
14142   }
14143
14144   infotext[max_infotext_len] = '\0';
14145
14146   if (strlen(infotext) > 0)
14147     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14148 }
14149
14150 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14151                             boolean quick_quit)
14152 {
14153   if (!ask_if_level_has_changed ||
14154       !LevelChanged() ||
14155       Request("Level has changed! Exit without saving?",
14156               REQ_ASK | REQ_STAY_OPEN))
14157   {
14158     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14159     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14160
14161     // draw normal door
14162     UndrawSpecialEditorDoor();
14163
14164     // use door animation if door 1 viewport is unchanged and contains toolbox
14165     if (useEditorDoorAnimation())
14166       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14167
14168     // close editor doors if viewport definition is the same as in main menu
14169     if (vp_door_1->x      == DX     &&
14170         vp_door_1->y      == DY     &&
14171         vp_door_1->width  == DXSIZE &&
14172         vp_door_1->height == DYSIZE &&
14173         vp_door_2->x      == VX     &&
14174         vp_door_2->y      == VY     &&
14175         vp_door_2->width  == VXSIZE &&
14176         vp_door_2->height == VYSIZE)
14177       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14178     else
14179       SetDoorState(DOOR_CLOSE_2);
14180
14181     BackToFront();
14182
14183     if (quick_quit)
14184       FadeSkipNextFadeIn();
14185
14186     SetGameStatus(GAME_MODE_MAIN);
14187
14188     DrawMainMenu();
14189   }
14190   else
14191   {
14192     if (!global.use_envelope_request)
14193     {
14194       CloseDoor(DOOR_CLOSE_1);
14195       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14196     }
14197   }
14198 }