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 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  69 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  70 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  71                                          ED_ELEMENTLIST_BUTTONS_VERT)
  72
  73 // standard distances
  74 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  75 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  76 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  77 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  78 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  79 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  80 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  81                                          ED_DRAWINGAREA_BORDER_SIZE)
  82 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  83
  84 // values for drawingarea gadgets
  85 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  86 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  87 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  88 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  89 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  90
  91 // values for checkbutton gadgets
  92 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  93 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  94
  95 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  96 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  97
  98 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
  99 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 100 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 101 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 102                                          editor.settings.tabs.yoffset2)
 103
 104 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 105 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 106
 107 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 108 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 109 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 110                                          ED_SETTINGS_TABS_XOFFSET)
 111 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 112                                          ED_TABBUTTON_YSIZE +           \
 113                                          ED_GADGET_TINY_DISTANCE +      \
 114                                          ED_TAB_BAR_HEIGHT +            \
 115                                          ED_SETTINGS_TABS_YOFFSET +     \
 116                                          getFontHeight(FONT_TEXT_1) +   \
 117                                          ED_GADGET_TEXT_DISTANCE)
 118 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 119 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 120 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 121                                          ED_SETTINGS_TABS_XOFFSET)
 122 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 123                                          ED_TABBUTTON_YSIZE +           \
 124                                          ED_GADGET_TINY_DISTANCE +      \
 125                                          ED_TAB_BAR_HEIGHT +            \
 126                                          ED_SETTINGS_TABS_YOFFSET)
 127
 128 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 129                                          ED_GADGET_TEXT_DISTANCE)
 130 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 131                                          ED_GADGET_LINE_DISTANCE)
 132
 133 #define ED_POS_RANGE                    (10000)
 134 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 135 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 136 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 138 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 139 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 142
 143 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 144 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 145
 146 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 147 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 148
 149 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 150 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 151
 152 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 153 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 154
 155 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 156                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 157 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 159 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 160                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 161 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 163
 164 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 165 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 166 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 167 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 168
 169 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 170                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 171 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 172                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 173
 174 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 175                                          (n) * ED_SETTINGS_XOFFSET)
 176 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 177                                          (n) * ED_SETTINGS_YOFFSET)
 178
 179 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 180                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 181 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 183
 184 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 185                                          (n) * ED_SETTINGS_XOFFSET)
 186 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 187                                          (n) * ED_SETTINGS_YOFFSET)
 188
 189 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 190   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 191 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 192   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 193
 194 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 195   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 196 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 197   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 198
 199 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 200   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 201 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 202   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 203
 204 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 205   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 206 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 207   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 208
 209 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 210                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 211                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 212                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 213                                          IS_POS_ELEMENT_TABS(n) ?       \
 214                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 215                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 216                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 217 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 218                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 219                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 220                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 221                                          IS_POS_ELEMENT_TABS(n) ?       \
 222                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 223                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 224                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 225
 226 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 227                                          ED_DRAWINGAREA_TILE_SIZE)
 228 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230
 231 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 232                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 233 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          (ED_CHECKBUTTON_YSIZE -        \
 235                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 236
 237 #define ED_AREA_XOFFSET_2(n)      (0)
 238 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 239                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 240
 241 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 242                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 243                                     ED_AREA_XOFFSET_1((i).x) -          \
 244                                     ED_AREA_XOFFSET_2((i).area_xsize))
 245 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 246                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 247                                     ED_AREA_YOFFSET_1((i).y) -          \
 248                                     ED_AREA_YOFFSET_2((i).area_ysize))
 249
 250 // values for element content drawing areas
 251 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 252 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 253 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 254 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 255
 256 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 257 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 258 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 259 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 260
 261 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 262 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 263 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 264 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 265
 266 // element content
 267 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 268 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 269
 270 // yamyam content
 271 #define ED_XPOS_YAM                     0
 272 #define ED_YPOS_YAM                     5
 273 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 274 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 275 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 276 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 277 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 278                                          ED_SETTINGS_XOFF(n))
 279 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 280                                          ED_SETTINGS_YOFF(n) +          \
 281                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 282                                          ED_AREA_YOFFSET_2(3))
 283
 284 // magic ball content
 285 #define ED_XPOS_BALL                    0
 286 #define ED_YPOS_BALL                    6
 287 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 288 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 292                                          ED_SETTINGS_XOFF(n))
 293 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 294                                          ED_SETTINGS_YOFF(n) +          \
 295                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 296                                          ED_AREA_YOFFSET_2(3))
 297
 298 // values for scrolling gadgets for drawing area
 299 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 300 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 301
 302 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 303 #define ED_SCROLL_UP_YPOS               (0)
 304 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 305 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 306 #define ED_SCROLL_LEFT_XPOS             (0)
 307 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 309 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 310 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 311                                          ED_SCROLLBUTTON_XSIZE)
 312 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 313 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 315 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 316 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 317                                          ED_SCROLLBUTTON_YSIZE)
 318 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 319 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 320
 321 // values for scrolling gadgets for element list
 322 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 323 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 324
 325 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 326                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 327                                          ED_ELEMENTLIST_XSIZE)
 328 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 329 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 330 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 331                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 332                                          ED_ELEMENTLIST_YSIZE -         \
 333                                          ED_SCROLLBUTTON2_YSIZE)
 334 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 335 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 336                                          ED_SCROLLBUTTON2_YSIZE)
 337 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 338 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 339                                          ED_ELEMENTLIST_YSIZE -         \
 340                                          2 * ED_SCROLLBUTTON2_YSIZE)
 341
 342 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 343 #define INFOTEXT_FONT           FONT_TEXT_2
 344 #define INFOTEXT_XSIZE          SXSIZE
 345 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 346 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 347 #define INFOTEXT_X              (editor.settings.tooltip.x)
 348 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 349 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 350 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 351 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 352                                       SYSIZE - INFOTEXT_YSIZE)
 353
 354
 355 // ----------------------------------------------------------------------------
 356 // editor gadget definitions
 357 // ----------------------------------------------------------------------------
 358
 359 enum
 360 {
 361   GADGET_ID_NONE = -1,
 362
 363   // drawing toolbox buttons
 364
 365   GADGET_ID_SINGLE_ITEMS,
 366   GADGET_ID_CONNECTED_ITEMS,
 367   GADGET_ID_LINE,
 368   GADGET_ID_ARC,
 369   GADGET_ID_RECTANGLE,
 370   GADGET_ID_FILLED_BOX,
 371   GADGET_ID_WRAP_UP,
 372   GADGET_ID_TEXT,
 373   GADGET_ID_FLOOD_FILL,
 374   GADGET_ID_WRAP_LEFT,
 375   GADGET_ID_ZOOM,
 376   GADGET_ID_WRAP_RIGHT,
 377   GADGET_ID_RANDOM_PLACEMENT,
 378   GADGET_ID_GRAB_BRUSH,
 379   GADGET_ID_WRAP_DOWN,
 380   GADGET_ID_PICK_ELEMENT,
 381
 382   GADGET_ID_UNDO,
 383   GADGET_ID_INFO,
 384   GADGET_ID_SAVE,
 385   GADGET_ID_CLEAR,
 386   GADGET_ID_TEST,
 387   GADGET_ID_EXIT,
 388
 389   GADGET_ID_CUSTOM_COPY_FROM,
 390   GADGET_ID_CUSTOM_COPY_TO,
 391   GADGET_ID_CUSTOM_EXCHANGE,
 392   GADGET_ID_CUSTOM_COPY,
 393   GADGET_ID_CUSTOM_PASTE,
 394
 395   GADGET_ID_PROPERTIES,
 396   GADGET_ID_ELEMENT_LEFT,
 397   GADGET_ID_ELEMENT_MIDDLE,
 398   GADGET_ID_ELEMENT_RIGHT,
 399   GADGET_ID_PALETTE,
 400
 401   // counter gadget identifiers
 402
 403   GADGET_ID_SELECT_LEVEL_DOWN,
 404   GADGET_ID_SELECT_LEVEL_TEXT,
 405   GADGET_ID_SELECT_LEVEL_UP,
 406   GADGET_ID_LEVEL_XSIZE_DOWN,
 407   GADGET_ID_LEVEL_XSIZE_TEXT,
 408   GADGET_ID_LEVEL_XSIZE_UP,
 409   GADGET_ID_LEVEL_YSIZE_DOWN,
 410   GADGET_ID_LEVEL_YSIZE_TEXT,
 411   GADGET_ID_LEVEL_YSIZE_UP,
 412   GADGET_ID_LEVEL_RANDOM_DOWN,
 413   GADGET_ID_LEVEL_RANDOM_TEXT,
 414   GADGET_ID_LEVEL_RANDOM_UP,
 415   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 416   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 417   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 418   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 419   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 420   GADGET_ID_LEVEL_TIMELIMIT_UP,
 421   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 422   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 423   GADGET_ID_LEVEL_TIMESCORE_UP,
 424   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 425   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 426   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 427   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 428   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 430   GADGET_ID_ELEMENT_VALUE1_DOWN,
 431   GADGET_ID_ELEMENT_VALUE1_TEXT,
 432   GADGET_ID_ELEMENT_VALUE1_UP,
 433   GADGET_ID_ELEMENT_VALUE2_DOWN,
 434   GADGET_ID_ELEMENT_VALUE2_TEXT,
 435   GADGET_ID_ELEMENT_VALUE2_UP,
 436   GADGET_ID_ELEMENT_VALUE3_DOWN,
 437   GADGET_ID_ELEMENT_VALUE3_TEXT,
 438   GADGET_ID_ELEMENT_VALUE3_UP,
 439   GADGET_ID_ELEMENT_VALUE4_DOWN,
 440   GADGET_ID_ELEMENT_VALUE4_TEXT,
 441   GADGET_ID_ELEMENT_VALUE4_UP,
 442   GADGET_ID_YAMYAM_CONTENT_DOWN,
 443   GADGET_ID_YAMYAM_CONTENT_TEXT,
 444   GADGET_ID_YAMYAM_CONTENT_UP,
 445   GADGET_ID_BALL_CONTENT_DOWN,
 446   GADGET_ID_BALL_CONTENT_TEXT,
 447   GADGET_ID_BALL_CONTENT_UP,
 448   GADGET_ID_ANDROID_CONTENT_DOWN,
 449   GADGET_ID_ANDROID_CONTENT_TEXT,
 450   GADGET_ID_ANDROID_CONTENT_UP,
 451   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 452   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 453   GADGET_ID_ENVELOPE_XSIZE_UP,
 454   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 455   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 456   GADGET_ID_ENVELOPE_YSIZE_UP,
 457   GADGET_ID_INVENTORY_SIZE_DOWN,
 458   GADGET_ID_INVENTORY_SIZE_TEXT,
 459   GADGET_ID_INVENTORY_SIZE_UP,
 460   GADGET_ID_CUSTOM_SCORE_DOWN,
 461   GADGET_ID_CUSTOM_SCORE_TEXT,
 462   GADGET_ID_CUSTOM_SCORE_UP,
 463   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 464   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 465   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 466   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 467   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 468   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 469   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 470   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 471   GADGET_ID_CUSTOM_VALUE_RND_UP,
 472   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 473   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 474   GADGET_ID_PUSH_DELAY_FIX_UP,
 475   GADGET_ID_PUSH_DELAY_RND_DOWN,
 476   GADGET_ID_PUSH_DELAY_RND_TEXT,
 477   GADGET_ID_PUSH_DELAY_RND_UP,
 478   GADGET_ID_DROP_DELAY_FIX_DOWN,
 479   GADGET_ID_DROP_DELAY_FIX_TEXT,
 480   GADGET_ID_DROP_DELAY_FIX_UP,
 481   GADGET_ID_DROP_DELAY_RND_DOWN,
 482   GADGET_ID_DROP_DELAY_RND_TEXT,
 483   GADGET_ID_DROP_DELAY_RND_UP,
 484   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 485   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 486   GADGET_ID_MOVE_DELAY_FIX_UP,
 487   GADGET_ID_MOVE_DELAY_RND_DOWN,
 488   GADGET_ID_MOVE_DELAY_RND_TEXT,
 489   GADGET_ID_MOVE_DELAY_RND_UP,
 490   GADGET_ID_EXPLOSION_DELAY_DOWN,
 491   GADGET_ID_EXPLOSION_DELAY_TEXT,
 492   GADGET_ID_EXPLOSION_DELAY_UP,
 493   GADGET_ID_IGNITION_DELAY_DOWN,
 494   GADGET_ID_IGNITION_DELAY_TEXT,
 495   GADGET_ID_IGNITION_DELAY_UP,
 496   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 497   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 498   GADGET_ID_CHANGE_DELAY_FIX_UP,
 499   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 500   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 501   GADGET_ID_CHANGE_DELAY_RND_UP,
 502   GADGET_ID_CHANGE_CONT_RND_DOWN,
 503   GADGET_ID_CHANGE_CONT_RND_TEXT,
 504   GADGET_ID_CHANGE_CONT_RND_UP,
 505   GADGET_ID_GROUP_CONTENT_DOWN,
 506   GADGET_ID_GROUP_CONTENT_TEXT,
 507   GADGET_ID_GROUP_CONTENT_UP,
 508
 509   // drawing area identifiers
 510
 511   GADGET_ID_DRAWING_LEVEL,
 512   GADGET_ID_YAMYAM_CONTENT_0,
 513   GADGET_ID_YAMYAM_CONTENT_1,
 514   GADGET_ID_YAMYAM_CONTENT_2,
 515   GADGET_ID_YAMYAM_CONTENT_3,
 516   GADGET_ID_YAMYAM_CONTENT_4,
 517   GADGET_ID_YAMYAM_CONTENT_5,
 518   GADGET_ID_YAMYAM_CONTENT_6,
 519   GADGET_ID_YAMYAM_CONTENT_7,
 520   GADGET_ID_MAGIC_BALL_CONTENT_0,
 521   GADGET_ID_MAGIC_BALL_CONTENT_1,
 522   GADGET_ID_MAGIC_BALL_CONTENT_2,
 523   GADGET_ID_MAGIC_BALL_CONTENT_3,
 524   GADGET_ID_MAGIC_BALL_CONTENT_4,
 525   GADGET_ID_MAGIC_BALL_CONTENT_5,
 526   GADGET_ID_MAGIC_BALL_CONTENT_6,
 527   GADGET_ID_MAGIC_BALL_CONTENT_7,
 528   GADGET_ID_ANDROID_CONTENT,
 529   GADGET_ID_AMOEBA_CONTENT,
 530   GADGET_ID_START_ELEMENT,
 531   GADGET_ID_ARTWORK_ELEMENT,
 532   GADGET_ID_EXPLOSION_ELEMENT,
 533   GADGET_ID_INVENTORY_CONTENT,
 534   GADGET_ID_CUSTOM_GRAPHIC,
 535   GADGET_ID_CUSTOM_CONTENT,
 536   GADGET_ID_CUSTOM_MOVE_ENTER,
 537   GADGET_ID_CUSTOM_MOVE_LEAVE,
 538   GADGET_ID_CUSTOM_CHANGE_TARGET,
 539   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 540   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 541   GADGET_ID_CUSTOM_CHANGE_ACTION,
 542   GADGET_ID_GROUP_CONTENT,
 543   GADGET_ID_RANDOM_BACKGROUND,
 544
 545   // text input identifiers
 546
 547   GADGET_ID_LEVEL_NAME,
 548   GADGET_ID_LEVEL_AUTHOR,
 549   GADGET_ID_LEVELSET_NAME,
 550   GADGET_ID_LEVELSET_AUTHOR,
 551   GADGET_ID_ELEMENT_NAME,
 552
 553   // text area identifiers
 554
 555   GADGET_ID_ENVELOPE_INFO,
 556
 557   // selectbox identifiers
 558
 559   GADGET_ID_TIME_OR_STEPS,
 560   GADGET_ID_GAME_ENGINE_TYPE,
 561   GADGET_ID_LEVELSET_SAVE_MODE,
 562   GADGET_ID_WIND_DIRECTION,
 563   GADGET_ID_PLAYER_SPEED,
 564   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 565   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 566   GADGET_ID_CUSTOM_DEADLINESS,
 567   GADGET_ID_CUSTOM_MOVE_PATTERN,
 568   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 569   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 570   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 571   GADGET_ID_CUSTOM_SMASH_TARGETS,
 572   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 573   GADGET_ID_CUSTOM_ACCESS_TYPE,
 574   GADGET_ID_CUSTOM_ACCESS_LAYER,
 575   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 576   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 577   GADGET_ID_CHANGE_TIME_UNITS,
 578   GADGET_ID_CHANGE_DIRECT_ACTION,
 579   GADGET_ID_CHANGE_OTHER_ACTION,
 580   GADGET_ID_CHANGE_SIDE,
 581   GADGET_ID_CHANGE_PLAYER,
 582   GADGET_ID_CHANGE_PAGE,
 583   GADGET_ID_CHANGE_REPLACE_WHEN,
 584   GADGET_ID_ACTION_TYPE,
 585   GADGET_ID_ACTION_MODE,
 586   GADGET_ID_ACTION_ARG,
 587   GADGET_ID_SELECT_CHANGE_PAGE,
 588   GADGET_ID_GROUP_CHOICE_MODE,
 589
 590   // textbutton identifiers
 591
 592   GADGET_ID_LEVELINFO_LEVEL,
 593   GADGET_ID_LEVELINFO_LEVELSET,
 594   GADGET_ID_LEVELINFO_EDITOR,
 595   GADGET_ID_PROPERTIES_INFO,
 596   GADGET_ID_PROPERTIES_CONFIG,
 597   GADGET_ID_PROPERTIES_CONFIG_1,
 598   GADGET_ID_PROPERTIES_CONFIG_2,
 599   GADGET_ID_PROPERTIES_CHANGE,
 600   GADGET_ID_SAVE_AS_TEMPLATE_1,
 601   GADGET_ID_SAVE_AS_TEMPLATE_2,
 602   GADGET_ID_SAVE_LEVELSET,
 603   GADGET_ID_ADD_CHANGE_PAGE,
 604   GADGET_ID_DEL_CHANGE_PAGE,
 605
 606   // graphicbutton identifiers
 607
 608   GADGET_ID_PREV_CHANGE_PAGE,
 609   GADGET_ID_NEXT_CHANGE_PAGE,
 610   GADGET_ID_COPY_CHANGE_PAGE,
 611   GADGET_ID_PASTE_CHANGE_PAGE,
 612
 613   // gadgets for scrolling of drawing area
 614
 615   GADGET_ID_SCROLL_UP,
 616   GADGET_ID_SCROLL_DOWN,
 617   GADGET_ID_SCROLL_LEFT,
 618   GADGET_ID_SCROLL_RIGHT,
 619   GADGET_ID_SCROLL_HORIZONTAL,
 620   GADGET_ID_SCROLL_VERTICAL,
 621
 622   // gadgets for scrolling element list
 623
 624   GADGET_ID_SCROLL_LIST_UP,
 625   GADGET_ID_SCROLL_LIST_DOWN,
 626   GADGET_ID_SCROLL_LIST_VERTICAL,
 627
 628   // checkbuttons/radiobuttons for level/element properties
 629
 630   GADGET_ID_AUTO_COUNT_GEMS,
 631   GADGET_ID_USE_LEVELSET_ARTWORK,
 632   GADGET_ID_COPY_LEVEL_TEMPLATE,
 633   GADGET_ID_RANDOM_PERCENTAGE,
 634   GADGET_ID_RANDOM_QUANTITY,
 635   GADGET_ID_RANDOM_RESTRICTED,
 636   GADGET_ID_STICK_ELEMENT,
 637   GADGET_ID_EM_SLIPPERY_GEMS,
 638   GADGET_ID_EM_EXPLODES_BY_FIRE,
 639   GADGET_ID_USE_SPRING_BUG,
 640   GADGET_ID_USE_TIME_ORB_BUG,
 641   GADGET_ID_USE_LIFE_BUGS,
 642   GADGET_ID_RANDOM_BALL_CONTENT,
 643   GADGET_ID_INITIAL_BALL_STATE,
 644   GADGET_ID_GROW_INTO_DIGGABLE,
 645   GADGET_ID_SB_FIELDS_NEEDED,
 646   GADGET_ID_SB_OBJECTS_NEEDED,
 647   GADGET_ID_AUTO_EXIT_SOKOBAN,
 648   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 649   GADGET_ID_CONTINUOUS_SNAPPING,
 650   GADGET_ID_BLOCK_SNAP_FIELD,
 651   GADGET_ID_BLOCK_LAST_FIELD,
 652   GADGET_ID_SP_BLOCK_LAST_FIELD,
 653   GADGET_ID_INSTANT_RELOCATION,
 654   GADGET_ID_SHIFTED_RELOCATION,
 655   GADGET_ID_LAZY_RELOCATION,
 656   GADGET_ID_USE_START_ELEMENT,
 657   GADGET_ID_USE_ARTWORK_ELEMENT,
 658   GADGET_ID_USE_EXPLOSION_ELEMENT,
 659   GADGET_ID_INITIAL_GRAVITY,
 660   GADGET_ID_USE_INITIAL_INVENTORY,
 661   GADGET_ID_CAN_PASS_TO_WALKABLE,
 662   GADGET_ID_CAN_FALL_INTO_ACID,
 663   GADGET_ID_CAN_MOVE_INTO_ACID,
 664   GADGET_ID_DONT_COLLIDE_WITH,
 665   GADGET_ID_ENVELOPE_AUTOWRAP,
 666   GADGET_ID_ENVELOPE_CENTERED,
 667   GADGET_ID_MM_LASER_RED,
 668   GADGET_ID_MM_LASER_GREEN,
 669   GADGET_ID_MM_LASER_BLUE,
 670   GADGET_ID_DF_LASER_RED,
 671   GADGET_ID_DF_LASER_GREEN,
 672   GADGET_ID_DF_LASER_BLUE,
 673   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 674   GADGET_ID_CUSTOM_CAN_EXPLODE,
 675   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 676   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 677   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 678   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 679   GADGET_ID_CUSTOM_DEADLY,
 680   GADGET_ID_CUSTOM_CAN_MOVE,
 681   GADGET_ID_CUSTOM_CAN_FALL,
 682   GADGET_ID_CUSTOM_CAN_SMASH,
 683   GADGET_ID_CUSTOM_SLIPPERY,
 684   GADGET_ID_CUSTOM_ACCESSIBLE,
 685   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 686   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 687   GADGET_ID_CUSTOM_USE_GRAPHIC,
 688   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 689   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 690   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 691   GADGET_ID_CUSTOM_CAN_CHANGE,
 692   GADGET_ID_CHANGE_USE_CONTENT,
 693   GADGET_ID_CHANGE_USE_EXPLOSION,
 694   GADGET_ID_CHANGE_ONLY_COMPLETE,
 695   GADGET_ID_CHANGE_USE_RANDOM,
 696   GADGET_ID_CHANGE_HAS_ACTION,
 697   GADGET_ID_CHANGE_DELAY,
 698   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 699   GADGET_ID_CHANGE_BY_OTHER_ACT,
 700
 701   NUM_STATIC_GADGET_IDS
 702 };
 703
 704 // gadgets for buttons in element list (dynamic)
 705 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 706 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 707                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 708
 709 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 710
 711 // radio button numbers
 712 enum
 713 {
 714   RADIO_NR_NONE,
 715   RADIO_NR_DRAWING_TOOLBOX,
 716   RADIO_NR_RANDOM_ELEMENTS
 717 };
 718
 719 // values for counter gadgets
 720 enum
 721 {
 722   ED_COUNTER_ID_SELECT_LEVEL,
 723   ED_COUNTER_ID_LEVEL_XSIZE,
 724   ED_COUNTER_ID_LEVEL_YSIZE,
 725   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 726   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 727   ED_COUNTER_ID_LEVEL_TIMESCORE,
 728   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 729   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 730   ED_COUNTER_ID_LEVEL_RANDOM,
 731   ED_COUNTER_ID_ELEMENT_VALUE1,
 732   ED_COUNTER_ID_ELEMENT_VALUE2,
 733   ED_COUNTER_ID_ELEMENT_VALUE3,
 734   ED_COUNTER_ID_ELEMENT_VALUE4,
 735   ED_COUNTER_ID_YAMYAM_CONTENT,
 736   ED_COUNTER_ID_BALL_CONTENT,
 737   ED_COUNTER_ID_ANDROID_CONTENT,
 738   ED_COUNTER_ID_ENVELOPE_XSIZE,
 739   ED_COUNTER_ID_ENVELOPE_YSIZE,
 740   ED_COUNTER_ID_INVENTORY_SIZE,
 741   ED_COUNTER_ID_CUSTOM_SCORE,
 742   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 743   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 744   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 745   ED_COUNTER_ID_PUSH_DELAY_FIX,
 746   ED_COUNTER_ID_PUSH_DELAY_RND,
 747   ED_COUNTER_ID_DROP_DELAY_FIX,
 748   ED_COUNTER_ID_DROP_DELAY_RND,
 749   ED_COUNTER_ID_MOVE_DELAY_FIX,
 750   ED_COUNTER_ID_MOVE_DELAY_RND,
 751   ED_COUNTER_ID_EXPLOSION_DELAY,
 752   ED_COUNTER_ID_IGNITION_DELAY,
 753   ED_COUNTER_ID_GROUP_CONTENT,
 754   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 755   ED_COUNTER_ID_CHANGE_DELAY_RND,
 756   ED_COUNTER_ID_CHANGE_CONT_RND,
 757
 758   ED_NUM_COUNTERBUTTONS
 759 };
 760
 761 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 762 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 763 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 764 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 765 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 766 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 767
 768 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 769 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 770 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 771 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 772 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 773 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 774
 775 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 776 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 777
 778 // values for scrollbutton gadgets
 779 enum
 780 {
 781   ED_SCROLLBUTTON_ID_AREA_UP,
 782   ED_SCROLLBUTTON_ID_AREA_DOWN,
 783   ED_SCROLLBUTTON_ID_AREA_LEFT,
 784   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 785   ED_SCROLLBUTTON_ID_LIST_UP,
 786   ED_SCROLLBUTTON_ID_LIST_DOWN,
 787
 788   ED_NUM_SCROLLBUTTONS
 789 };
 790
 791 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 792 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 793
 794 // values for scrollbar gadgets
 795 enum
 796 {
 797   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 798   ED_SCROLLBAR_ID_AREA_VERTICAL,
 799   ED_SCROLLBAR_ID_LIST_VERTICAL,
 800
 801   ED_NUM_SCROLLBARS
 802 };
 803
 804 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 805 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 806
 807 // values for text input gadgets
 808 enum
 809 {
 810   ED_TEXTINPUT_ID_LEVEL_NAME,
 811   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 812   ED_TEXTINPUT_ID_LEVELSET_NAME,
 813   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 814   ED_TEXTINPUT_ID_ELEMENT_NAME,
 815
 816   ED_NUM_TEXTINPUT
 817 };
 818
 819 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 820 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 821
 822 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 823 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 824
 825 // values for text area gadgets
 826 enum
 827 {
 828   ED_TEXTAREA_ID_ENVELOPE_INFO,
 829
 830   ED_NUM_TEXTAREAS
 831 };
 832
 833 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 834 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 835
 836 // values for selectbox gadgets
 837 enum
 838 {
 839   ED_SELECTBOX_ID_TIME_OR_STEPS,
 840   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 841   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 842   ED_SELECTBOX_ID_WIND_DIRECTION,
 843   ED_SELECTBOX_ID_PLAYER_SPEED,
 844   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 845   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 846   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 847   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 848   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 849   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 850   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 851   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 852   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 853   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 854   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 855   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 856   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 857   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 858   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 859   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 860   ED_SELECTBOX_ID_CHANGE_SIDE,
 861   ED_SELECTBOX_ID_CHANGE_PLAYER,
 862   ED_SELECTBOX_ID_CHANGE_PAGE,
 863   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 864   ED_SELECTBOX_ID_ACTION_TYPE,
 865   ED_SELECTBOX_ID_ACTION_MODE,
 866   ED_SELECTBOX_ID_ACTION_ARG,
 867   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 868   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 869
 870   ED_NUM_SELECTBOX
 871 };
 872
 873 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 874 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 875
 876 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 877 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 878
 879 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 880 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 881 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 882 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 883 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 884 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 885
 886 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 887 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 888
 889 // values for textbutton gadgets
 890 enum
 891 {
 892   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 893   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 894   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 895   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 896   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 897   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 898   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 899   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 900   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 901   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 902   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 903   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 904   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 905
 906   ED_NUM_TEXTBUTTONS
 907 };
 908
 909 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 910 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 911
 912 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 913 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 914
 915 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 916 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 917
 918 // values for graphicbutton gadgets
 919 enum
 920 {
 921   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 922   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 923   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 924   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 925
 926   ED_NUM_GRAPHICBUTTONS
 927 };
 928
 929 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 930 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 931
 932 // values for checkbutton gadgets
 933 enum
 934 {
 935   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 936   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 937   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 938   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 939   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 940   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 941   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 942   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 943   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 944   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 945   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 946   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 947   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 948   ED_CHECKBUTTON_ID_INITIAL_BALL_STATE,
 949   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 950   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 951   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 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 // some internally used definitions
1084 // ----------------------------------------------------------------------------
1085
1086 // values for CopyLevelToUndoBuffer()
1087 #define UNDO_IMMEDIATE                  0
1088 #define UNDO_ACCUMULATE                 1
1089
1090 // values for scrollbars
1091 #define ED_SCROLL_NO                    0
1092 #define ED_SCROLL_LEFT                  1
1093 #define ED_SCROLL_RIGHT                 2
1094 #define ED_SCROLL_UP                    4
1095 #define ED_SCROLL_DOWN                  8
1096
1097 // screens in the level editor
1098 #define ED_MODE_DRAWING                 0
1099 #define ED_MODE_INFO                    1
1100 #define ED_MODE_PROPERTIES              2
1101 #define ED_MODE_PALETTE                 3
1102
1103 // sub-screens in the global settings section
1104 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1105 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1106 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1107
1108 // sub-screens in the element properties section
1109 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1110 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1111 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1112 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1113 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1114
1115 // how many steps can be cancelled
1116 #define NUM_UNDO_STEPS                  (64 + 1)
1117
1118 // values for elements with score for certain actions
1119 #define MIN_SCORE                       0
1120 #define MAX_SCORE                       999
1121
1122 // values for elements with count for collecting
1123 #define MIN_COLLECT_COUNT               0
1124 #define MAX_COLLECT_COUNT               999
1125
1126 // values for random placement
1127 #define RANDOM_USE_PERCENTAGE           0
1128 #define RANDOM_USE_QUANTITY             1
1129
1130 // values for level set save mode
1131 #define LEVELSET_SAVE_MODE_UPDATE       0
1132 #define LEVELSET_SAVE_MODE_CREATE       1
1133
1134 // default value for element tile size in drawing area
1135 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1136 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1137
1138
1139 // ----------------------------------------------------------------------------
1140 // some internally used data structure definitions
1141 // ----------------------------------------------------------------------------
1142
1143 static struct
1144 {
1145   int graphic;
1146   int gadget_id;
1147   struct XYTileSize *pos;
1148   int gadget_type;
1149   char *infotext;
1150   char shortcut;
1151 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1152 {
1153   // note: some additional characters are already reserved for "cheat mode"
1154   // shortcuts (":XYZ" style) -- for details, see "events.c"
1155
1156   // ---------- toolbox control buttons ---------------------------------------
1157
1158   {
1159     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1160     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1161     "draw single items",                        's'
1162   },
1163   {
1164     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1165     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1166     "draw connected items",                     'd'
1167   },
1168   {
1169     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1170     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1171     "draw lines",                               'l'
1172   },
1173   {
1174     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1175     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1176     "draw arcs",                                'a'
1177   },
1178   {
1179     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1180     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1181     "draw outline rectangles",                  'r'
1182   },
1183   {
1184     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1185     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1186     "draw filled rectangles",                   'R'
1187   },
1188   {
1189     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1190     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1191     "wrap (rotate) level up",                   0
1192   },
1193   {
1194     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1195     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1196     "enter text elements",                      't'
1197   },
1198   {
1199     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1200     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1201     "flood fill",                               'f'
1202   },
1203   {
1204     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1205     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1206     "wrap (rotate) level left",                 0
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1210     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1211     "zoom level tile size",                     '+'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1215     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1216     "wrap (rotate) level right",                0
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1220     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1221     "random element placement",                 0
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1225     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1226     "grab brush",                               'b'
1227   },
1228   {
1229     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1230     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1231     "wrap (rotate) level down",                 0
1232   },
1233   {
1234     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1235     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1236     "pick drawing element",                     ','
1237   },
1238
1239   // ---------- level control buttons -----------------------------------------
1240
1241   {
1242     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1243     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1244     "undo/redo last operation",                 'u'
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1248     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1249     "properties of level",                      'I'
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1253     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1254     "save level",                               'S'
1255   },
1256   {
1257     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1258     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1259     "clear level",                              'C'
1260   },
1261   {
1262     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1263     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1264     "test level",                               'T'
1265   },
1266   {
1267     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1268     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1269     "exit level editor",                        'E'
1270   },
1271
1272   // ---------- CE and GE control buttons -------------------------------------
1273
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1276     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1277     "copy settings from other element",         0
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1281     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1282     "copy settings to other element",           0
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1286     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1287     "exchange element with other element",      0
1288   },
1289   {
1290     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1291     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1292     "copy settings from this element",          0
1293   },
1294   {
1295     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1296     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1297     "paste settings to this element",           0
1298   },
1299
1300   // ---------- palette control buttons ---------------------------------------
1301
1302   {
1303     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1304     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1305     "properties of drawing element",            'p'
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1309     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1310     "properties of drawing element 1",          '1'
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1314     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1315     "properties of drawing element 2",          '2'
1316   },
1317   {
1318     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1319     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1320     "properties of drawing element 3",          '3'
1321   },
1322   {
1323     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1324     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1325     "show list of elements",                    'e'
1326   }
1327 };
1328
1329 static int random_placement_value = 10;
1330 static int random_placement_method = RANDOM_USE_QUANTITY;
1331 static int random_placement_background_element = EL_SAND;
1332 static boolean random_placement_background_restricted = FALSE;
1333 static boolean stick_element_properties_window = FALSE;
1334 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1335 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1336 static struct ElementChangeInfo custom_element_change;
1337 static struct ElementGroupInfo group_element_info;
1338 static struct ElementInfo custom_element;
1339
1340 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1341 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1342 static int levelset_num_levels = 100;
1343 static boolean levelset_use_levelset_artwork = FALSE;
1344 static boolean levelset_copy_level_template = FALSE;
1345 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1346
1347 static struct
1348 {
1349   int x, y;
1350   int min_value, max_value;
1351   int gadget_id_down, gadget_id_up;
1352   int gadget_id_text;
1353   int gadget_id_align;
1354   int *value;
1355   char *text_above, *text_left, *text_right;
1356 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1357 {
1358   // ---------- current level number ------------------------------------------
1359
1360   {
1361     -1, -1,     // these values are not constant, but can change at runtime
1362     1,                                  100,
1363     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1364     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1365     &level_nr,
1366     NULL,                               NULL, NULL
1367   },
1368
1369   // ---------- level and editor settings -------------------------------------
1370
1371   {
1372     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1373     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1374     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1375     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1376     &level.fieldx,
1377     "playfield size:",                  NULL, "width",
1378   },
1379   {
1380     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1381     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1382     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1383     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1384     &level.fieldy,
1385     NULL,                               " ", "height",
1386   },
1387   {
1388     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1389     0,                                  999,
1390     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1391     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1392     &level.gems_needed,
1393     NULL,                               "number of gems to collect:", NULL
1394   },
1395   {
1396     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1397     0,                                  9999,
1398     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1399     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1400     &level.time,
1401     "time or step limit to solve level:", NULL, NULL
1402   },
1403   {
1404     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1405     0,                                  999,
1406     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1407     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1408     &level.score[SC_TIME_BONUS],
1409     "score for each second/step left:", NULL, NULL
1410   },
1411   {
1412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1413     0,                                  9999,
1414     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1415     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1416     &level.random_seed,
1417     NULL,                               "random seed:", "(0 => random)"
1418   },
1419   {
1420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1421     1,                                  MAX_LEVELS,
1422     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1423     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1424     &levelset_num_levels,
1425     "number of levels:",                NULL, NULL,
1426   },
1427   {
1428     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1429     1,                                  100,
1430     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1431     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1432     &random_placement_value,
1433     "random element placement:",        NULL, "in"
1434   },
1435
1436   // ---------- element settings: configure (various elements) ----------------
1437
1438   {
1439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1440     MIN_SCORE,                          MAX_SCORE,
1441     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1442     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1443     NULL,                               // will be set when used
1444     NULL,                               NULL, NULL
1445   },
1446   {
1447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1448     MIN_SCORE,                          MAX_SCORE,
1449     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1450     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1451     NULL,                               // will be set when used
1452     NULL,                               NULL, NULL
1453   },
1454   {
1455     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1456     MIN_SCORE,                          MAX_SCORE,
1457     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1458     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1459     NULL,                               // will be set when used
1460     NULL,                               NULL, NULL
1461   },
1462   {
1463     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1464     MIN_SCORE,                          MAX_SCORE,
1465     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1466     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1467     NULL,                               // will be set when used
1468     NULL,                               NULL, NULL
1469   },
1470   {
1471     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1472     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1473     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1474     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1475     &level.num_yamyam_contents,
1476     NULL,                               NULL, "number of content areas"
1477   },
1478   {
1479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1480     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1481     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1482     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1483     &level.num_ball_contents,
1484     NULL,                               NULL, "number of content areas"
1485   },
1486   {
1487     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1488     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1489     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1490     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1491     &level.num_android_clone_elements,
1492     NULL,                               NULL, "number of clonable elements"
1493   },
1494   {
1495     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1496     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1497     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1498     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1499     NULL,                               // will be set when used
1500     NULL,                               NULL, "width",
1501   },
1502   {
1503     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1504     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1505     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1506     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1507     NULL,                               // will be set when used
1508     NULL,                               " ", "height",
1509   },
1510   {
1511     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1512     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1513     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1514     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1515     &level.initial_inventory_size[0],
1516     NULL,                               NULL, "number of inventory elements"
1517   },
1518
1519   // ---------- element settings: configure 1 (custom elements) ---------------
1520
1521   {
1522     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1523     MIN_SCORE,                          MAX_SCORE,
1524     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1525     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1526     &custom_element.collect_score_initial,
1527     NULL,                               "CE score", " "
1528   },
1529   {
1530     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1531     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1532     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1533     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1534     &custom_element.collect_count_initial,
1535     NULL,                               "CE count", NULL
1536   },
1537   {
1538     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1539     0,                                  9999,
1540     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1541     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1542     &custom_element.ce_value_fixed_initial,
1543     NULL,                               "CE value", NULL
1544   },
1545   {
1546     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1547     0,                                  9999,
1548     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1549     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1550     &custom_element.ce_value_random_initial,
1551     NULL,                               "+random", NULL
1552   },
1553   {
1554     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1555     0,                                  999,
1556     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1557     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1558     &custom_element.push_delay_fixed,
1559     NULL,                               "push delay", NULL
1560   },
1561   {
1562     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1563     0,                                  999,
1564     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1565     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1566     &custom_element.push_delay_random,
1567     NULL,                               "+random", NULL
1568   },
1569   {
1570     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1571     0,                                  999,
1572     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1573     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1574     &custom_element.drop_delay_fixed,
1575     NULL,                               "drop delay", NULL
1576   },
1577   {
1578     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1579     0,                                  999,
1580     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1581     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1582     &custom_element.drop_delay_random,
1583     NULL,                               "+random", NULL
1584   },
1585
1586   // ---------- element settings: configure 2 (custom elements) ---------------
1587
1588   {
1589     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1590     0,                                  999,
1591     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1592     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1593     &custom_element.move_delay_fixed,
1594     NULL,                               "move delay", NULL
1595   },
1596   {
1597     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1598     0,                                  999,
1599     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1600     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1601     &custom_element.move_delay_random,
1602     NULL,                               "+random", NULL
1603   },
1604   {
1605     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1606     0,                                  999,
1607     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1608     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1609     &custom_element.explosion_delay,
1610     NULL,                               "explosion delay", NULL
1611   },
1612   {
1613     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1614     0,                                  999,
1615     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1616     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1617     &custom_element.ignition_delay,
1618     NULL,                               "ignition delay", "(by fire)"
1619   },
1620
1621   // ---------- element settings: configure (group elements) ------------------
1622
1623   {
1624     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1625     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1626     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1627     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1628     &group_element_info.num_elements,
1629     NULL,                               NULL, "number of elements in group"
1630   },
1631
1632   // ---------- element settings: advanced (custom elements) ------------------
1633
1634   {
1635     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1636     0,                                  999,
1637     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1638     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1639     &custom_element_change.delay_fixed,
1640     NULL,                               "CE delay", NULL,
1641   },
1642   {
1643     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1644     0,                                  999,
1645     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1646     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1647     &custom_element_change.delay_random,
1648     NULL,                               "+random", NULL
1649   },
1650   {
1651     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1652     0,                                  100,
1653     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1654     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1655     &custom_element_change.random_percentage,
1656     NULL,                               "use random replace:", "%"
1657   },
1658 };
1659
1660 static struct
1661 {
1662   int x, y;
1663   int gadget_id;
1664   int size;
1665   char *value;
1666   char *text_above, *infotext;
1667 } textinput_info[ED_NUM_TEXTINPUT] =
1668 {
1669   {
1670     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1671     GADGET_ID_LEVEL_NAME,
1672     MAX_LEVEL_NAME_LEN,
1673     level.name,
1674     "Title:", "Title for this level"
1675   },
1676   {
1677     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1678     GADGET_ID_LEVEL_AUTHOR,
1679     MAX_LEVEL_AUTHOR_LEN,
1680     level.author,
1681     "Author:", "Author for this level"
1682   },
1683   {
1684     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1685     GADGET_ID_LEVELSET_NAME,
1686     MAX_LEVEL_NAME_LEN,
1687     levelset_name,
1688     "Title:", "Title for this or new level set"
1689   },
1690   {
1691     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1692     GADGET_ID_LEVELSET_AUTHOR,
1693     MAX_LEVEL_AUTHOR_LEN,
1694     levelset_author,
1695     "Author:", "Author for this or new level set"
1696   },
1697   {
1698     -1, -1,     // these values are not constant, but can change at runtime
1699     GADGET_ID_ELEMENT_NAME,
1700     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1701     custom_element.description,
1702     NULL, "Element name"
1703   }
1704 };
1705
1706 static struct
1707 {
1708   int x, y;
1709   int gadget_id;
1710   int xsize, ysize;
1711   char *value;
1712   char *text_above, *infotext;
1713 } textarea_info[ED_NUM_TEXTAREAS] =
1714 {
1715   {
1716     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1717     GADGET_ID_ENVELOPE_INFO,
1718     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1719     NULL,
1720     "Envelope Content:", "Envelope Content"
1721   }
1722 };
1723
1724 static struct ValueTextInfo options_time_or_steps[] =
1725 {
1726   { 0,                          "seconds"                       },
1727   { 1,                          "steps"                         },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_game_engine_type[] =
1733 {
1734   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1735   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1736   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1737   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1738
1739   { -1,                         NULL                            }
1740 };
1741
1742 static struct ValueTextInfo options_levelset_save_mode[] =
1743 {
1744   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1745   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1746
1747   { -1,                         NULL                            }
1748 };
1749
1750 static struct ValueTextInfo options_wind_direction[] =
1751 {
1752   { MV_START_NONE,              "none"                          },
1753   { MV_START_LEFT,              "left"                          },
1754   { MV_START_RIGHT,             "right"                         },
1755   { MV_START_UP,                "up"                            },
1756   { MV_START_DOWN,              "down"                          },
1757
1758   { -1,                         NULL                            }
1759 };
1760
1761 static struct ValueTextInfo options_player_speed[] =
1762 {
1763   { 0,                          "frozen"                        },
1764   { 1,                          "very slow"                     },
1765   { 2,                          "slow"                          },
1766   { 4,                          "normal"                        },
1767   { 8,                          "fast"                          },
1768   { 16,                         "very fast"                     },
1769   { 32,                         "ultrafast"                     },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_access_type[] =
1775 {
1776   { EP_WALKABLE,                "walkable"                      },
1777   { EP_PASSABLE,                "passable"                      },
1778
1779   { -1,                         NULL                            }
1780 };
1781
1782 static struct ValueTextInfo options_access_layer[] =
1783 {
1784   { EP_ACCESSIBLE_OVER,         "over"                          },
1785   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1786   { EP_ACCESSIBLE_UNDER,        "under"                         },
1787
1788   { -1,                         NULL                            }
1789 };
1790
1791 static struct ValueTextInfo options_access_protected[] =
1792 {
1793   { 0,                          "unprotected"                   },
1794   { 1,                          "protected"                     },
1795
1796   { -1,                         NULL                            }
1797 };
1798
1799 static struct ValueTextInfo options_access_direction[] =
1800 {
1801   { MV_NO_DIRECTION,            "no direction"                  },
1802   { MV_LEFT,                    "left"                          },
1803   { MV_RIGHT,                   "right"                         },
1804   { MV_UP,                      "up"                            },
1805   { MV_DOWN,                    "down"                          },
1806   { MV_LEFT  | MV_UP,           "left + up"                     },
1807   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1808   { MV_RIGHT | MV_UP,           "right + up"                    },
1809   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1810   { MV_HORIZONTAL,              "horizontal"                    },
1811   { MV_VERTICAL,                "vertical"                      },
1812   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1813   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1814   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1815   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1816   { MV_ALL_DIRECTIONS,          "all directions"                },
1817
1818   { -1,                         NULL                            }
1819 };
1820
1821 static struct ValueTextInfo options_walk_to_action[] =
1822 {
1823   { EP_DIGGABLE,                "diggable"                      },
1824   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1825   { EP_DROPPABLE,               "collectible & droppable"       },
1826   { EP_THROWABLE,               "collectible & throwable"       },
1827   { EP_PUSHABLE,                "pushable"                      },
1828
1829   { -1,                         NULL                            }
1830 };
1831
1832 static struct ValueTextInfo options_move_pattern[] =
1833 {
1834   { MV_LEFT,                    "left"                          },
1835   { MV_RIGHT,                   "right"                         },
1836   { MV_UP,                      "up"                            },
1837   { MV_DOWN,                    "down"                          },
1838   { MV_HORIZONTAL,              "horizontal"                    },
1839   { MV_VERTICAL,                "vertical"                      },
1840   { MV_ALL_DIRECTIONS,          "all directions"                },
1841   { MV_WIND_DIRECTION,          "wind direction"                },
1842   { MV_TOWARDS_PLAYER,          "towards player"                },
1843   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1844   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1845   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1846   { MV_TURNING_LEFT,            "turning left"                  },
1847   { MV_TURNING_RIGHT,           "turning right"                 },
1848   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1849   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1850   { MV_TURNING_RANDOM,          "turning random"                },
1851   { MV_MAZE_RUNNER,             "maze runner style"             },
1852   { MV_MAZE_HUNTER,             "maze hunter style"             },
1853   { MV_WHEN_PUSHED,             "when pushed"                   },
1854   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1855
1856   { -1,                         NULL                            }
1857 };
1858
1859 static struct ValueTextInfo options_move_direction[] =
1860 {
1861   { MV_START_AUTOMATIC,         "automatic"                     },
1862   { MV_START_LEFT,              "left"                          },
1863   { MV_START_RIGHT,             "right"                         },
1864   { MV_START_UP,                "up"                            },
1865   { MV_START_DOWN,              "down"                          },
1866   { MV_START_RANDOM,            "random"                        },
1867   { MV_START_PREVIOUS,          "previous"                      },
1868
1869   { -1,                         NULL                            }
1870 };
1871
1872 static struct ValueTextInfo options_move_stepsize[] =
1873 {
1874   { 0,                          "not moving"                    },
1875   { 1,                          "very slow"                     },
1876   { 2,                          "slow"                          },
1877   { 4,                          "normal"                        },
1878   { 8,                          "fast"                          },
1879   { 16,                         "very fast"                     },
1880   { 32,                         "even faster"                   },
1881
1882   { -1,                         NULL                            }
1883 };
1884
1885 static struct ValueTextInfo options_move_leave_type[] =
1886 {
1887   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1888   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1889
1890   { -1,                         NULL                            }
1891 };
1892
1893 static struct ValueTextInfo options_smash_targets[] =
1894 {
1895   { EP_CAN_SMASH_PLAYER,        "player"                        },
1896 #if 0
1897   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1898 #endif
1899   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1900
1901   { -1,                         NULL                            }
1902 };
1903
1904 static struct ValueTextInfo options_slippery_type[] =
1905 {
1906   { SLIPPERY_ANY_RANDOM,        "random"                        },
1907   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1908   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1909   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1910   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1911
1912   { -1,                         NULL                            }
1913 };
1914
1915 static struct ValueTextInfo options_deadliness[] =
1916 {
1917   { EP_DONT_RUN_INTO,           "running into"                  },
1918   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1919   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1920   { EP_DONT_TOUCH,              "touching"                      },
1921
1922   { -1,                         NULL                            }
1923 };
1924
1925 static struct ValueTextInfo options_explosion_type[] =
1926 {
1927   { EXPLODES_3X3,               "3x3"                           },
1928   { EXPLODES_CROSS,             "3+3"                           },
1929   { EXPLODES_1X1,               "1x1"                           },
1930
1931   { -1,                         NULL                            }
1932 };
1933
1934 static struct ValueTextInfo options_time_units[] =
1935 {
1936   { 1,                          "frames"                        },
1937   { FRAMES_PER_SECOND,          "seconds"                       },
1938
1939   { -1,                         NULL                            }
1940 };
1941
1942 static struct ValueTextInfo options_change_direct_action[] =
1943 {
1944   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1945   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1946   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1947   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1948   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1949   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1950   { CE_LEFT_BY_PLAYER,          "left by player"                },
1951   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1952   { CE_SWITCHED,                "switched"                      },
1953   { CE_HITTING_SOMETHING,       "hitting something"             },
1954   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1955 #if 0
1956   { CE_BLOCKED,                 "blocked"                       },
1957 #endif
1958   { CE_IMPACT,                  "impact (on something)"         },
1959   { CE_SMASHED,                 "smashed (from above)"          },
1960 #if 0
1961   { CE_VALUE_CHANGES,           "CE value changes"              },
1962   { CE_SCORE_CHANGES,           "CE score changes"              },
1963 #endif
1964   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1965   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1966
1967   { -1,                         NULL                            }
1968 };
1969
1970 static struct ValueTextInfo options_change_other_action[] =
1971 {
1972   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1973   { CE_PLAYER_PRESSES_X,        "player presses"                },
1974   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1975   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1976   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1977   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1978   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1979   { CE_PLAYER_DIGS_X,           "player digs"                   },
1980   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1981   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1982   { CE_TOUCHING_X,              "touching"                      },
1983   { CE_HITTING_X,               "hitting"                       },
1984   { CE_DIGGING_X,               "digging"                       },
1985   { CE_HIT_BY_X,                "hit by"                        },
1986   { CE_SWITCH_OF_X,             "switch of"                     },
1987   { CE_CHANGE_OF_X,             "change by page of"             },
1988   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1989   { CE_MOVE_OF_X,               "move of"                       },
1990   { CE_CREATION_OF_X,           "creation of"                   },
1991   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1992   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1993   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1994   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1995
1996   { -1,                         NULL                            }
1997 };
1998
1999 static struct ValueTextInfo options_change_trigger_side[] =
2000 {
2001   { CH_SIDE_LEFT,               "left"                          },
2002   { CH_SIDE_RIGHT,              "right"                         },
2003   { CH_SIDE_TOP,                "top"                           },
2004   { CH_SIDE_BOTTOM,             "bottom"                        },
2005   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2006   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2007   { CH_SIDE_ANY,                "any"                           },
2008
2009   { -1,                         NULL                            }
2010 };
2011
2012 static struct ValueTextInfo options_change_trigger_player[] =
2013 {
2014   { CH_PLAYER_1,                "1"                             },
2015   { CH_PLAYER_2,                "2"                             },
2016   { CH_PLAYER_3,                "3"                             },
2017   { CH_PLAYER_4,                "4"                             },
2018   { CH_PLAYER_ANY,              "any"                           },
2019
2020   { -1,                         NULL                            }
2021 };
2022
2023 static struct ValueTextInfo options_change_trigger_page[] =
2024 {
2025   { (1 << 0),                   "1"                             },
2026   { (1 << 1),                   "2"                             },
2027   { (1 << 2),                   "3"                             },
2028   { (1 << 3),                   "4"                             },
2029   { (1 << 4),                   "5"                             },
2030   { (1 << 5),                   "6"                             },
2031   { (1 << 6),                   "7"                             },
2032   { (1 << 7),                   "8"                             },
2033   { (1 << 8),                   "9"                             },
2034   { (1 << 9),                   "10"                            },
2035   { (1 << 10),                  "11"                            },
2036   { (1 << 11),                  "12"                            },
2037   { (1 << 12),                  "13"                            },
2038   { (1 << 13),                  "14"                            },
2039   { (1 << 14),                  "15"                            },
2040   { (1 << 15),                  "16"                            },
2041   { (1 << 16),                  "17"                            },
2042   { (1 << 17),                  "18"                            },
2043   { (1 << 18),                  "19"                            },
2044   { (1 << 19),                  "20"                            },
2045   { (1 << 20),                  "21"                            },
2046   { (1 << 21),                  "22"                            },
2047   { (1 << 22),                  "23"                            },
2048   { (1 << 23),                  "24"                            },
2049   { (1 << 24),                  "25"                            },
2050   { (1 << 25),                  "26"                            },
2051   { (1 << 26),                  "27"                            },
2052   { (1 << 27),                  "28"                            },
2053   { (1 << 28),                  "29"                            },
2054   { (1 << 29),                  "30"                            },
2055   { (1 << 30),                  "31"                            },
2056   { (1 << 31),                  "32"                            },
2057   { CH_PAGE_ANY,                "any"                           },
2058
2059   { -1,                         NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_change_replace_when[] =
2063 {
2064   { CP_WHEN_EMPTY,              "empty"                         },
2065   { CP_WHEN_WALKABLE,           "walkable"                      },
2066   { CP_WHEN_DIGGABLE,           "diggable"                      },
2067   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2068   { CP_WHEN_REMOVABLE,          "removable"                     },
2069   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2070
2071   { -1,                         NULL                            }
2072 };
2073
2074 static struct ValueTextInfo options_action_type[] =
2075 {
2076   { CA_NO_ACTION,               "no action"                     },
2077   { CA_UNDEFINED,               " "                             },
2078   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2079   { CA_RESTART_LEVEL,           "restart level"                 },
2080   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2081   { CA_SET_LEVEL_TIME,          "set time"                      },
2082   { CA_SET_LEVEL_SCORE,         "set score"                     },
2083   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2084   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2085   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2086   { CA_UNDEFINED,               " "                             },
2087   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2088   { CA_MOVE_PLAYER,             "move player"                   },
2089   { CA_EXIT_PLAYER,             "exit player"                   },
2090   { CA_KILL_PLAYER,             "kill player"                   },
2091   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2092   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2093   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2094   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2095   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2096   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2097   { CA_UNDEFINED,               " "                             },
2098   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2099   { CA_SET_CE_VALUE,            "set CE value"                  },
2100   { CA_SET_CE_SCORE,            "set CE score"                  },
2101   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2102   { CA_UNDEFINED,               " "                             },
2103   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2104   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2105
2106   { -1,                         NULL                            }
2107 };
2108
2109 static struct ValueTextInfo options_action_mode_none[] =
2110 {
2111   { CA_MODE_UNDEFINED,          " "                             },
2112
2113   { -1,                         NULL                            }
2114 };
2115
2116 static struct ValueTextInfo options_action_mode_assign[] =
2117 {
2118   { CA_MODE_SET,                "="                             },
2119
2120   { -1,                         NULL                            }
2121 };
2122
2123 static struct ValueTextInfo options_action_mode_add_remove[] =
2124 {
2125   { CA_MODE_ADD,                "+"                             },
2126   { CA_MODE_SUBTRACT,           "-"                             },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_action_mode_calculate[] =
2132 {
2133   { CA_MODE_SET,                "="                             },
2134   { CA_MODE_ADD,                "+"                             },
2135   { CA_MODE_SUBTRACT,           "-"                             },
2136   { CA_MODE_MULTIPLY,           "*"                             },
2137   { CA_MODE_DIVIDE,             "/"                             },
2138   { CA_MODE_MODULO,             "%"                             },
2139
2140   { -1,                         NULL                            }
2141 };
2142
2143 static struct ValueTextInfo options_action_arg_none[] =
2144 {
2145   { CA_ARG_UNDEFINED,           "         "                     },
2146
2147   { -1,                         NULL                            }
2148 };
2149
2150 static struct ValueTextInfo options_action_arg_player[] =
2151 {
2152   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2153   { CA_ARG_PLAYER_1,            "1"                             },
2154   { CA_ARG_PLAYER_2,            "2"                             },
2155   { CA_ARG_PLAYER_3,            "3"                             },
2156   { CA_ARG_PLAYER_4,            "4"                             },
2157   { CA_ARG_PLAYER_ANY,          "any"                           },
2158   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2159   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2160
2161   { -1,                         NULL                            }
2162 };
2163
2164 static struct ValueTextInfo options_action_arg_number[] =
2165 {
2166   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2167   { CA_ARG_0,                   "0"                             },
2168   { CA_ARG_1,                   "1"                             },
2169   { CA_ARG_2,                   "2"                             },
2170   { CA_ARG_3,                   "3"                             },
2171   { CA_ARG_4,                   "4"                             },
2172   { CA_ARG_5,                   "5"                             },
2173   { CA_ARG_10,                  "10"                            },
2174   { CA_ARG_100,                 "100"                           },
2175   { CA_ARG_1000,                "1000"                          },
2176   { CA_ARG_UNDEFINED,           " "                             },
2177   { CA_ARG_NUMBER_MIN,          "min"                           },
2178   { CA_ARG_NUMBER_MAX,          "max"                           },
2179   { CA_ARG_UNDEFINED,           " "                             },
2180   { CA_ARG_NUMBER_RESET,        "reset"                         },
2181   { CA_ARG_UNDEFINED,           " "                             },
2182   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2183   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2184   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2185   { CA_ARG_UNDEFINED,           " "                             },
2186   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2187   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2188   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2191   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2192   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2193   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2194   { CA_ARG_UNDEFINED,           " "                             },
2195   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2196   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2197   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2198   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2199
2200   { -1,                         NULL                            }
2201 };
2202
2203 static struct ValueTextInfo options_action_arg_value[] =
2204 {
2205   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2206   { CA_ARG_0,                   "0"                             },
2207   { CA_ARG_1,                   "1"                             },
2208   { CA_ARG_2,                   "2"                             },
2209   { CA_ARG_3,                   "3"                             },
2210   { CA_ARG_4,                   "4"                             },
2211   { CA_ARG_5,                   "5"                             },
2212   { CA_ARG_10,                  "10"                            },
2213   { CA_ARG_100,                 "100"                           },
2214   { CA_ARG_1000,                "1000"                          },
2215   { CA_ARG_UNDEFINED,           " "                             },
2216   { CA_ARG_NUMBER_MIN,          "min"                           },
2217   { CA_ARG_NUMBER_MAX,          "max"                           },
2218   { CA_ARG_UNDEFINED,           " "                             },
2219   { CA_ARG_NUMBER_RESET,        "reset"                         },
2220   { CA_ARG_UNDEFINED,           " "                             },
2221   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2222   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2223   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2224   { CA_ARG_UNDEFINED,           " "                             },
2225   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2226   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2227   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2228   { CA_ARG_UNDEFINED,           " "                             },
2229   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2230   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2231   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2232   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2233   { CA_ARG_UNDEFINED,           " "                             },
2234   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2235   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2236   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2237   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2238   { CA_ARG_UNDEFINED,           " "                             },
2239   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2240   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2241   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2242   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2243
2244   { -1,                         NULL                            }
2245 };
2246
2247 static struct ValueTextInfo options_action_arg_envelope[] =
2248 {
2249   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2250   { CA_ARG_1,                   "1"                             },
2251   { CA_ARG_2,                   "2"                             },
2252   { CA_ARG_3,                   "3"                             },
2253   { CA_ARG_4,                   "4"                             },
2254   { CA_ARG_UNDEFINED,           " "                             },
2255   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2256   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2257   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2258   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2259
2260   { -1,                         NULL                            }
2261 };
2262
2263 static struct ValueTextInfo options_action_arg_key[] =
2264 {
2265   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2266   { CA_ARG_1,                   "1"                             },
2267   { CA_ARG_2,                   "2"                             },
2268   { CA_ARG_3,                   "3"                             },
2269   { CA_ARG_4,                   "4"                             },
2270   { CA_ARG_5,                   "5"                             },
2271   { CA_ARG_6,                   "6"                             },
2272   { CA_ARG_7,                   "7"                             },
2273   { CA_ARG_8,                   "8"                             },
2274   { CA_ARG_UNDEFINED,           " "                             },
2275   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2276   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2277   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2278   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2279
2280   { -1,                         NULL                            }
2281 };
2282
2283 static struct ValueTextInfo options_action_arg_speed[] =
2284 {
2285   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2286   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2287   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2288   { CA_ARG_SPEED_SLOW,          "slow"                          },
2289   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2290   { CA_ARG_SPEED_FAST,          "fast"                          },
2291   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2292   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2293   { CA_ARG_UNDEFINED,           " "                             },
2294   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2295   { CA_ARG_SPEED_FASTER,        "faster"                        },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_SPEED_RESET,         "reset"                         },
2298
2299   { -1,                         NULL                            }
2300 };
2301
2302 static struct ValueTextInfo options_action_arg_shield[] =
2303 {
2304   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2305   { CA_ARG_SHIELD_OFF,          "off"                           },
2306   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2307   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_action_arg_artwork[] =
2313 {
2314   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2315   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2316   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2317   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2318   { CA_ARG_UNDEFINED,           " "                             },
2319   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2320
2321   { -1,                         NULL                            }
2322 };
2323
2324 static struct ValueTextInfo options_action_arg_gravity[] =
2325 {
2326   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2327   { CA_ARG_GRAVITY_ON,          "on"                            },
2328   { CA_ARG_GRAVITY_OFF,         "off"                           },
2329   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2330
2331   { -1,                         NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_action_arg_direction[] =
2335 {
2336   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2337   { CA_ARG_DIRECTION_NONE,      "none"                          },
2338   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2339   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2340   { CA_ARG_DIRECTION_UP,        "up"                            },
2341   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2342   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2343   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2344
2345   { -1,                         NULL                            }
2346 };
2347
2348 static struct ValueTextInfo options_action_arg_scan_mode[] =
2349 {
2350   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2351   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2352   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2353
2354   { -1,                         NULL                            }
2355 };
2356
2357 static struct ValueTextInfo options_action_arg_inventory[] =
2358 {
2359   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2360   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2361   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2362   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2363   { CA_ARG_UNDEFINED,           " "                             },
2364   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2365   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2366   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2367   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2368   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2369   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2370   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2371   { CA_ARG_UNDEFINED,           " "                             },
2372   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2373
2374   { -1,                         NULL                            }
2375 };
2376
2377 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2378 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2379 {
2380   { -1,                         NULL                            }
2381 };
2382
2383 static struct ValueTextInfo options_group_choice_mode[] =
2384 {
2385   { ANIM_RANDOM,                "random"                        },
2386   { ANIM_LOOP,                  "loop"                          },
2387   { ANIM_LINEAR,                "linear"                        },
2388   { ANIM_PINGPONG,              "pingpong"                      },
2389   { ANIM_PINGPONG2,             "pingpong 2"                    },
2390
2391   { -1,                         NULL                            }
2392 };
2393
2394 static struct ValueTextInfo *action_arg_modes[] =
2395 {
2396   options_action_mode_none,
2397   options_action_mode_assign,
2398   options_action_mode_add_remove,
2399   options_action_mode_calculate,
2400 };
2401
2402 static struct
2403 {
2404   int value;
2405   int mode;
2406   struct ValueTextInfo *options;
2407 }
2408 action_arg_options[] =
2409 {
2410   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2411   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2412   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2413   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2414   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2415   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2416   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2417   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2418   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2419   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2420   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2421   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2422   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2423   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2424   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2425   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2426   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2427   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2428   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2429   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2430   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2431
2432   { -1,                         FALSE,  NULL                            }
2433 };
2434
2435 static struct
2436 {
2437   int x, y;
2438   int gadget_id;
2439   int gadget_id_align;
2440   int size;     // char size of selectbox or '-1' (dynamically determined)
2441   struct ValueTextInfo *options;
2442   int *value;
2443   char *text_above, *text_left, *text_right, *infotext;
2444 } selectbox_info[ED_NUM_SELECTBOX] =
2445 {
2446   // ---------- level and editor settings -------------------------------------
2447
2448   {
2449     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2450     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2451     -1,
2452     options_time_or_steps,
2453     &level.use_step_counter,
2454     NULL, NULL, "(0 => no limit)",      "time or step limit"
2455   },
2456   {
2457     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2458     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2459     -1,
2460     options_game_engine_type,
2461     &level.game_engine_type,
2462     NULL, "game engine:", NULL,         "game engine"
2463   },
2464   {
2465     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2466     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2467     -1,
2468     options_levelset_save_mode,
2469     &levelset_save_mode,
2470     "Action:", NULL, NULL,              "action when saving level set"
2471   },
2472
2473   // ---------- element settings: configure (several elements) ----------------
2474
2475   {
2476     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2477     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2478     -1,
2479     options_wind_direction,
2480     &level.wind_direction_initial,
2481     NULL, "initial wind direction:", NULL,      "initial wind direction"
2482   },
2483   {
2484     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2485     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2486     -1,
2487     options_player_speed,
2488     &level.initial_player_stepsize[0],
2489     NULL, "initial player speed:", NULL,        "initial player speed"
2490   },
2491
2492   // ---------- element settings: configure 1 (custom elements) ---------------
2493
2494   {
2495     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2496     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2497     -1,
2498     options_access_type,
2499     &custom_element.access_type,
2500     NULL, NULL, NULL,                   "type of access to this field"
2501   },
2502   {
2503     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2504     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2505     -1,
2506     options_access_layer,
2507     &custom_element.access_layer,
2508     NULL, NULL, NULL,                   "layer of access for this field"
2509   },
2510   {
2511     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2512     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2513     -1,
2514     options_access_protected,
2515     &custom_element.access_protected,
2516     NULL, NULL, NULL,                   "protected access for this field"
2517   },
2518   {
2519     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2520     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2521     -1,
2522     options_access_direction,
2523     &custom_element.access_direction,
2524     NULL, "from", NULL,                 "access direction for this field"
2525   },
2526   {
2527     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2528     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2529     -1,
2530     options_walk_to_action,
2531     &custom_element.walk_to_action,
2532     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2533   },
2534
2535   // ---------- element settings: configure 2 (custom elements) ---------------
2536
2537   {
2538     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2539     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2540     -1,
2541     options_move_pattern,
2542     &custom_element.move_pattern,
2543     NULL, "can move", NULL,             "element move pattern"
2544   },
2545   {
2546     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2547     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2548     -1,
2549     options_move_direction,
2550     &custom_element.move_direction_initial,
2551     NULL, "starts moving", NULL,        "initial element move direction"
2552   },
2553   {
2554     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2555     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2556     -1,
2557     options_move_stepsize,
2558     &custom_element.move_stepsize,
2559     NULL, "move/fall speed", NULL,      "speed of element movement"
2560   },
2561   {
2562     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2563     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2564     -1,
2565     options_move_leave_type,
2566     &custom_element.move_leave_type,
2567     // left text with leading spaces to place gadget next to "can dig" gadget
2568     // (needed because drawing area gadgets created after selectbox gadgets)
2569     // NULL, "can dig:    can", ":",    "leave behind or change element"
2570     NULL, "            can", ":",       "leave behind or change element"
2571   },
2572   {
2573     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2574     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2575     -1,
2576     options_smash_targets,
2577     &custom_element.smash_targets,
2578     NULL, "can smash", NULL,            "elements that can be smashed"
2579   },
2580   {
2581     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2582     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2583     -1,
2584     options_slippery_type,
2585     &custom_element.slippery_type,
2586     NULL, "slippery", NULL,             "where other elements fall down"
2587   },
2588   {
2589     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2590     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2591     -1,
2592     options_deadliness,
2593     &custom_element.deadliness,
2594     NULL, "deadly when", NULL,          "deadliness of element"
2595   },
2596   {
2597     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2598     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2599     -1,
2600     options_explosion_type,
2601     &custom_element.explosion_type,
2602     NULL, "can explode", NULL,          "explosion type"
2603   },
2604
2605   // ---------- element settings: advanced (custom elements) ------------------
2606
2607   {
2608     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2609     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2610     -1,
2611     options_time_units,
2612     &custom_element_change.delay_frames,
2613     NULL, "delay time given in", NULL,  "delay time units for change"
2614   },
2615   {
2616     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2617     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2618     -1,
2619     options_change_direct_action,
2620     &custom_element_change.direct_action,
2621     NULL, NULL, NULL,                   "type of direct action"
2622   },
2623   {
2624     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2625     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2626     -1,
2627     options_change_other_action,
2628     &custom_element_change.other_action,
2629     NULL, NULL, "element:",             "type of other element action"
2630   },
2631   {
2632     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2633     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2634     -1,
2635     options_change_trigger_side,
2636     &custom_element_change.trigger_side,
2637     NULL, "at", "side",                 "element side triggering change"
2638   },
2639   {
2640     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2641     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2642     -1,
2643     options_change_trigger_player,
2644     &custom_element_change.trigger_player,
2645     NULL, "player:", " ",               "player that causes change"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2649     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2650     -1,
2651     options_change_trigger_page,
2652     &custom_element_change.trigger_page,
2653     NULL, "page:", NULL,                "change page that causes change"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2657     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2658     -1,
2659     options_change_replace_when,
2660     &custom_element_change.replace_when,
2661     NULL, "replace when", NULL,         "which elements can be replaced"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2665     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2666     -1,
2667     options_action_type,
2668     &custom_element_change.action_type,
2669     NULL, NULL, NULL,                   "action on specified condition"
2670   },
2671   {
2672     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2673     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2674     -1,
2675     options_action_mode_none,
2676     &custom_element_change.action_mode,
2677     NULL, NULL, NULL,                   "action operator"
2678   },
2679   {
2680     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2681     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2682     -1,
2683     options_action_arg_none,
2684     &custom_element_change.action_arg,
2685     NULL, NULL, NULL,                   "action parameter"
2686   },
2687   {
2688     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2689     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2690     3,
2691     options_change_page,
2692     &custom_element.current_change_page,
2693     NULL, NULL, NULL,                   "element change page"
2694   },
2695
2696   // ---------- element settings: configure (group elements) ------------------
2697
2698   {
2699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2700     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2701     -1,
2702     options_group_choice_mode,
2703     &group_element_info.choice_mode,
2704     NULL, "choice type:", NULL,         "type of group element choice"
2705   },
2706 };
2707
2708 static struct
2709 {
2710   int x, y;
2711   int gadget_id;
2712   int gadget_id_align;
2713   int size;
2714   char *text;
2715   char *text_above, *text_left, *text_right, *infotext;
2716 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2717 {
2718   // ---------- level and editor settings (tabs) ------------------------------
2719
2720   {
2721     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2722     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2723     8,                                  "Level",
2724     NULL, NULL, NULL,                   "Configure level properties"
2725   },
2726   {
2727     -1,                                 -1,
2728     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2729     8,                                  "Levelset",
2730     NULL, NULL, NULL,                   "Update this or create new level set"
2731   },
2732   {
2733     -1,                                 -1,
2734     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2735     8,                                  "Editor",
2736     NULL, NULL, NULL,                   "Configure editor properties"
2737   },
2738
2739   // ---------- element settings (tabs) ---------------------------------------
2740
2741   {
2742     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2743     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2744     8,                                  "Info",
2745     NULL, NULL, NULL,                   "Show information about element"
2746   },
2747   {
2748     -1,                                 -1,
2749     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2750     8,                                  "Config",
2751     NULL, NULL, NULL,                   "Configure element properties"
2752   },
2753   {
2754     -1,                                 -1,
2755     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2756     8,                                  "Config 1",
2757     NULL, NULL, NULL,                   "Configure element properties, part 1"
2758   },
2759   {
2760     -1,                                 -1,
2761     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2762     8,                                  "Config 2",
2763     NULL, NULL, NULL,                   "Configure element properties, part 2"
2764   },
2765   {
2766     -1,                                 -1,
2767     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2768     8,                                  "Change",
2769     NULL, NULL, NULL,                   "Configure custom element change pages"
2770   },
2771
2772   // ---------- level and editor settings (buttons) ---------------------------
2773
2774   {
2775     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2776     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2777     -1,                                 "Save",
2778     NULL, NULL, NULL,                   "Update or create level set"
2779   },
2780   {
2781     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2782     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2783     -1,                                 "Save",
2784     NULL, NULL,                         "this level as level template",
2785     "Save current settings as new template"
2786   },
2787
2788   // ---------- element settings (buttons) ------------------------------------
2789
2790   {
2791     -1,                                 -1,
2792     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2793     -1,                                 "Save",
2794     NULL, " ",                          "As Template",
2795     "Save current settings as new template"
2796   },
2797   {
2798     -1,                                 -1,
2799     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2800     -1,                                 "New",
2801     NULL, NULL, NULL,                   "Add new change page"
2802   },
2803   {
2804     -1,                                 -1,
2805     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2806     -1,                                 "Delete",
2807     NULL, NULL, NULL,                   "Delete current change page"
2808   },
2809 };
2810
2811 static struct
2812 {
2813   int graphic;
2814   int x, y;
2815   int gadget_id;
2816   int gadget_id_align;
2817   char *text_left, *text_right, *infotext;
2818 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2819 {
2820   {
2821     IMG_EDITOR_COUNTER_DOWN,
2822     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2823     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2824     NULL, NULL,                         "select previous change page"
2825   },
2826   {
2827     IMG_EDITOR_COUNTER_UP,
2828     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2829     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2830     NULL, "change page",                "select next change page"
2831   },
2832   {
2833     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2834     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2835     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2836     " ", NULL,                          "copy settings from this change page"
2837   },
2838   {
2839     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2840     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2841     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2842     NULL, NULL,                         "paste settings to this change page"
2843   },
2844 };
2845
2846 static struct
2847 {
2848   int x, y;
2849 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2850
2851 static struct
2852 {
2853   int graphic;
2854   int gadget_id;
2855   char *infotext;
2856 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2857 {
2858   {
2859     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2860     GADGET_ID_SCROLL_UP,
2861     "scroll level editing area up"
2862   },
2863   {
2864     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2865     GADGET_ID_SCROLL_DOWN,
2866     "scroll level editing area down"
2867   },
2868   {
2869     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2870     GADGET_ID_SCROLL_LEFT,
2871     "scroll level editing area left"
2872   },
2873   {
2874     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2875     GADGET_ID_SCROLL_RIGHT,
2876     "scroll level editing area right"
2877   },
2878   {
2879     IMG_EDITOR_PALETTE_SCROLL_UP,
2880     GADGET_ID_SCROLL_LIST_UP,
2881     "scroll element list up ('Page Up')"
2882   },
2883   {
2884     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2885     GADGET_ID_SCROLL_LIST_DOWN,
2886     "scroll element list down ('Page Down')"
2887   },
2888 };
2889
2890 static struct
2891 {
2892   int x, y;
2893   int width, height;
2894   int wheel_x, wheel_y;
2895   int wheel_width, wheel_height;
2896 } scrollbar_pos[ED_NUM_SCROLLBARS];
2897
2898 static struct
2899 {
2900   int graphic;
2901   int type;
2902   int gadget_id;
2903   char *infotext;
2904 } scrollbar_info[ED_NUM_SCROLLBARS] =
2905 {
2906   {
2907     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2908     GD_TYPE_SCROLLBAR_HORIZONTAL,
2909     GADGET_ID_SCROLL_HORIZONTAL,
2910     "scroll level editing area horizontally"
2911   },
2912   {
2913     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2914     GD_TYPE_SCROLLBAR_VERTICAL,
2915     GADGET_ID_SCROLL_VERTICAL,
2916     "scroll level editing area vertically"
2917   },
2918   {
2919     IMG_EDITOR_PALETTE_SCROLLBAR,
2920     GD_TYPE_SCROLLBAR_VERTICAL,
2921     GADGET_ID_SCROLL_LIST_VERTICAL,
2922     "scroll element list vertically"
2923   }
2924 };
2925
2926
2927 static struct
2928 {
2929   int x, y;
2930   int gadget_id;
2931   int gadget_id_align;
2932   int radio_button_nr;
2933   int *value;
2934   int checked_value;
2935   char *text_left, *text_right, *infotext;
2936 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2937 {
2938   {
2939     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2940     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2941     RADIO_NR_RANDOM_ELEMENTS,
2942     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2943     " ", "percentage",                  "use percentage for random elements"
2944   },
2945   {
2946     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2947     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2948     RADIO_NR_RANDOM_ELEMENTS,
2949     &random_placement_method,           RANDOM_USE_QUANTITY,
2950     " ", "quantity",                    "use quantity for random elements"
2951   }
2952 };
2953
2954 static struct
2955 {
2956   int x, y;
2957   int gadget_id;
2958   int gadget_id_align;
2959   boolean *value;
2960   char *text_above, *text_left, *text_right, *infotext;
2961 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2962 {
2963   // ---------- level and editor settings -------------------------------------
2964
2965   {
2966     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2967     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2968     &level.auto_count_gems,
2969     NULL, NULL,
2970     "automatically count gems needed",  "set counter to number of gems"
2971   },
2972   {
2973     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2974     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2975     &levelset_use_levelset_artwork,
2976     NULL, NULL,
2977     "use current custom artwork",       "use custom artwork of this level set"
2978   },
2979   {
2980     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2981     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2982     &levelset_copy_level_template,
2983     NULL, NULL,
2984     "copy current level template",      "copy level template of this level set"
2985   },
2986   {
2987     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2988     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2989     &random_placement_background_restricted,
2990     NULL, NULL,
2991     "restrict random placement to:",    "set random placement restriction"
2992   },
2993   {
2994     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2995     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2996     &setup.editor.use_template_for_new_levels,
2997     "Template for new levels and CE/GE:", NULL,
2998     "use template for new levels",      "use template for level properties"
2999   },
3000   {
3001     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3002     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3003     &level.use_custom_template,
3004     NULL, NULL,
3005     "use template for custom elements", "use template for custom properties"
3006   },
3007
3008   // ---------- element settings: configure (various elements) ----------------
3009
3010   {
3011     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3012     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3013     &stick_element_properties_window,
3014     NULL, NULL,
3015     "stick this screen to edit content","stick this screen to edit content"
3016   },
3017   {
3018     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3019     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3020     &level.em_slippery_gems,
3021     NULL, NULL,
3022     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3023   },
3024   {
3025     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3026     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3027     &level.em_explodes_by_fire,
3028     NULL, NULL,
3029     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3030   },
3031   {
3032     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3033     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3034     &level.use_spring_bug,
3035     NULL, NULL,
3036     "use spring pushing bug",           "use odd spring pushing behaviour"
3037   },
3038   {
3039     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3040     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3041     &level.use_time_orb_bug,
3042     NULL, NULL,
3043     "use time orb bug",                 "use odd time orb behaviour"
3044   },
3045   {
3046     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3047     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3048     &level.use_life_bugs,
3049     NULL, NULL,
3050     "use buggy element behaviour",      "use odd (historic) element behaviour"
3051   },
3052   {
3053     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3054     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3055     &level.ball_random,
3056     NULL, NULL,
3057     "create single random element",     "only create one element from content"
3058   },
3059   {
3060     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3061     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
3062     &level.ball_state_initial,
3063     NULL, NULL,
3064     "magic ball initially activated",   "activate magic ball after level start"
3065   },
3066   {
3067     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3068     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3069     &level.grow_into_diggable,
3070     NULL, NULL,
3071     "can grow into anything diggable",  "grow into more than just sand"
3072   },
3073   {
3074     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3075     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3076     &level.sb_fields_needed,
3077     NULL, NULL,
3078     "all fields need to be filled",     "require all SB fields to be solved"
3079   },
3080   {
3081     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3082     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3083     &level.sb_objects_needed,
3084     NULL, NULL,
3085     "all objects need to be placed",    "require all SB objects to be solved"
3086   },
3087   {
3088     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3089     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3090     &level.auto_exit_sokoban,
3091     NULL, NULL,
3092     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3093   },
3094   {
3095     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3096     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3097     &level.solved_by_one_player,
3098     NULL, NULL,
3099     "only one player must enter exit",  "level solved by first player in exit"
3100   },
3101   {
3102     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3103     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3104     &level.continuous_snapping,
3105     NULL, NULL,
3106     "continuous snapping",              "use snapping without releasing key"
3107   },
3108   {
3109     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3110     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3111     &level.block_snap_field,
3112     NULL, NULL,
3113     "block snapped field when snapping", "use snapping delay to show animation"
3114   },
3115   {
3116     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3117     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3118     &level.block_last_field,
3119     NULL, NULL,
3120     "block last field when moving",     "player blocks last field when moving"
3121   },
3122   {
3123     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3124     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3125     &level.sp_block_last_field,
3126     NULL, NULL,
3127     "block last field when moving",     "player blocks last field when moving"
3128   },
3129   {
3130     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3131     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3132     &level.instant_relocation,
3133     NULL, NULL,
3134     "no scrolling when relocating",     "player gets relocated without delay"
3135   },
3136   {
3137     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3138     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3139     &level.shifted_relocation,
3140     NULL, NULL,
3141     "no centering when relocating",     "level not centered after relocation"
3142   },
3143   {
3144     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3145     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3146     &level.lazy_relocation,
3147     NULL, NULL,
3148     "only redraw off-screen relocation","no redraw if relocation target visible"
3149   },
3150   {
3151     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3152     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3153     &level.use_start_element[0],
3154     NULL, NULL,
3155     "use level start element:",        "start level at this element's position"
3156   },
3157   {
3158     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3159     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3160     &level.use_artwork_element[0],
3161     NULL, NULL,
3162     "use artwork from element:",        "use player artwork from other element"
3163   },
3164   {
3165     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3166     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3167     &level.use_explosion_element[0],
3168     NULL, NULL,
3169     "use explosion from element:",      "use explosion properties from element"
3170   },
3171   {
3172     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3173     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3174     &level.initial_player_gravity[0],
3175     NULL, NULL,
3176     "use initial gravity",              "set initial player gravity"
3177   },
3178   {
3179     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3180     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3181     &level.use_initial_inventory[0],
3182     NULL, NULL,
3183     "use initial inventory:",           "use collected elements on level start"
3184   },
3185   {
3186     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3187     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3188     &level.can_pass_to_walkable,
3189     NULL, NULL,
3190     "can pass to walkable element",     "player can pass to empty or walkable"
3191   },
3192   {
3193     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3194     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3195     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3196     NULL, NULL,
3197     "can fall into acid (with gravity)","player can fall into acid pool"
3198   },
3199   {
3200     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3201     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3202     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3203     NULL, NULL,
3204     "can move into acid",               "element can move into acid pool"
3205   },
3206   {
3207     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3208     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3209     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3210     NULL, NULL,
3211     "deadly when colliding with",       "element is deadly when hitting player"
3212   },
3213   {
3214     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3215     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3216     &level.envelope[0].autowrap,
3217     NULL, NULL,
3218     "auto-wrap",                        "automatically wrap envelope text"
3219   },
3220   {
3221     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3222     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3223     &level.envelope[0].centered,
3224     NULL, " ",
3225     "centered",                         "automatically center envelope text"
3226   },
3227   {
3228     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3229     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3230     &level.mm_laser_red,
3231     "choose color components for laser:", NULL,
3232     "red",                              "use red color components in laser"
3233   },
3234   {
3235     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3236     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3237     &level.mm_laser_green,
3238     NULL, NULL,
3239     "green",                            "use green color components in laser"
3240   },
3241   {
3242     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3243     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3244     &level.mm_laser_blue,
3245     NULL, NULL,
3246     "blue",                             "use blue color components in laser"
3247   },
3248   {
3249     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3250     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3251     &level.df_laser_red,
3252     "choose color components for laser:", NULL,
3253     "red",                              "use red color components in laser"
3254   },
3255   {
3256     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3257     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3258     &level.df_laser_green,
3259     NULL, NULL,
3260     "green",                            "use green color components in laser"
3261   },
3262   {
3263     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3264     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3265     &level.df_laser_blue,
3266     NULL, NULL,
3267     "blue",                             "use blue color components in laser"
3268   },
3269
3270   // ---------- element settings: configure 1 (custom elements) ---------------
3271
3272   {
3273     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3274     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3275     &custom_element.use_gfx_element,
3276     NULL, NULL,
3277     "use graphic of element:",          "use existing element graphic"
3278   },
3279   {
3280     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3281     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3282     &level.use_custom_template,
3283     NULL, NULL,
3284     "use template",                     "use template for custom properties"
3285   },
3286   {
3287     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3288     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3289     &custom_element_properties[EP_ACCESSIBLE],
3290     NULL, NULL,
3291     NULL,                               "player can walk to or pass this field"
3292   },
3293   {
3294     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3295     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3296     &custom_element_properties[EP_GRAVITY_REACHABLE],
3297     NULL, NULL,
3298     "reachable despite gravity",        "player can walk/dig despite gravity"
3299   },
3300   {
3301     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3302     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3303     &custom_element.use_last_ce_value,
3304     NULL, NULL,
3305     "use last CE value after change",   "use last CE value after change"
3306   },
3307   {
3308     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3309     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3310     &custom_element_properties[EP_WALK_TO_OBJECT],
3311     NULL, NULL,
3312     NULL,                               "player can dig/collect/push element"
3313   },
3314   {
3315     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3316     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3317     &custom_element_properties[EP_INDESTRUCTIBLE],
3318     NULL, NULL,
3319     "indestructible",                   "element is indestructible"
3320   },
3321
3322   // ---------- element settings: configure 2 (custom elements) ---------------
3323
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3326     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3327     &custom_element_properties[EP_CAN_MOVE],
3328     NULL, NULL,
3329     NULL,                               "element can move with some pattern"
3330   },
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3333     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3334     &custom_element_properties[EP_CAN_FALL],
3335     NULL, NULL,
3336     "can fall",                         "element can fall down"
3337   },
3338   {
3339     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3340     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3341     &custom_element_properties[EP_CAN_SMASH],
3342     NULL, " ",
3343     NULL,                               "element can smash other elements"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3347     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3348     &custom_element_properties[EP_SLIPPERY],
3349     NULL, NULL,
3350     NULL,                               "other elements can fall down from it"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3354     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3355     &custom_element_properties[EP_DEADLY],
3356     NULL, NULL,
3357     NULL,                               "element can kill the player"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3361     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3362     &custom_element_properties[EP_CAN_EXPLODE],
3363     NULL, NULL,
3364     NULL,                               "element can explode"
3365   },
3366   {
3367     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3368     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3369     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3370     NULL, NULL,
3371     "by fire",                          "element can explode by fire/explosion"
3372   },
3373   {
3374     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3375     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3376     &custom_element_properties[EP_EXPLODES_SMASHED],
3377     NULL, " ",
3378     "smashed",                          "element can explode when smashed"
3379   },
3380   {
3381     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3382     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3383     &custom_element_properties[EP_EXPLODES_IMPACT],
3384     NULL, " ",
3385     "impact",                           "element can explode on impact"
3386   },
3387
3388   // ---------- element settings: advanced (custom elements) ------------------
3389
3390   {
3391     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3392     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3393     &custom_element_change.can_change,
3394     NULL, NULL,
3395     "element changes to:",              "change element on specified condition"
3396   },
3397   {
3398     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3399     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3400     &custom_element_change_events[CE_DELAY],
3401     NULL, NULL,
3402     NULL,                               "element changes after delay"
3403   },
3404   {
3405     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3406     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3407     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3408     NULL, NULL,
3409     NULL,                               "element changes by direct action"
3410   },
3411   {
3412     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3413     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3414     &custom_element_change_events[CE_BY_OTHER_ACTION],
3415     NULL, NULL,
3416     NULL,                               "element changes by other element"
3417   },
3418   {
3419     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3420     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3421     &custom_element_change.explode,
3422     NULL, NULL,
3423     "explode instead of change",        "element explodes instead of change"
3424   },
3425   {
3426     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3427     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3428     &custom_element_change.use_target_content,
3429     NULL, NULL,
3430     "use extended change target:",      "element changes to more elements"
3431   },
3432   {
3433     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3434     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3435     &custom_element_change.only_if_complete,
3436     NULL, NULL,
3437     "replace all or nothing",           "only replace when all can be changed"
3438   },
3439   {
3440     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3441     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3442     &custom_element_change.use_random_replace,
3443     NULL, NULL,
3444     NULL,                               "use percentage for random replace"
3445   },
3446   {
3447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3448     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3449     &custom_element_change.has_action,
3450     NULL, NULL,
3451     NULL,                               "execute action on specified condition"
3452   },
3453 };
3454
3455 static struct
3456 {
3457   int x, y;
3458   int xoffset, yoffset;
3459   int gadget_id;
3460   int gadget_id_align;
3461   int *value;
3462   int area_xsize, area_ysize;
3463   char *text_left, *text_right, *text_below, *infotext;
3464 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3465 {
3466   // ---------- level playfield content ---------------------------------------
3467
3468   {
3469     0,                                  0,
3470     0,                                  0,
3471     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3472     NULL,
3473     -1, -1,     // these values are not constant, but can change at runtime
3474     NULL, NULL, NULL,                   NULL
3475   },
3476
3477   // ---------- yam yam content -----------------------------------------------
3478
3479   {
3480     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3481     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3482     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3483     &level.yamyam_content[0].e[0][0],   3, 3,
3484     NULL, NULL, "1",                    NULL
3485   },
3486   {
3487     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3488     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3489     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3490     &level.yamyam_content[1].e[0][0],   3, 3,
3491     NULL, NULL, "2",                    NULL
3492   },
3493   {
3494     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3495     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3496     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3497     &level.yamyam_content[2].e[0][0],   3, 3,
3498     NULL, NULL, "3",                    NULL
3499   },
3500   {
3501     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3502     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3503     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3504     &level.yamyam_content[3].e[0][0],   3, 3,
3505     NULL, NULL, "4",                    NULL
3506   },
3507   {
3508     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3509     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3510     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3511     &level.yamyam_content[4].e[0][0],   3, 3,
3512     NULL, NULL, "5",                    NULL
3513   },
3514   {
3515     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3516     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3517     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3518     &level.yamyam_content[5].e[0][0],   3, 3,
3519     NULL, NULL, "6",                    NULL
3520   },
3521   {
3522     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3523     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3524     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3525     &level.yamyam_content[6].e[0][0],   3, 3,
3526     NULL, NULL, "7",                    NULL
3527   },
3528   {
3529     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3530     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3531     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3532     &level.yamyam_content[7].e[0][0],   3, 3,
3533     NULL, NULL, "8",                    NULL
3534   },
3535
3536   // ---------- magic ball content --------------------------------------------
3537
3538   {
3539     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3540     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3541     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3542     &level.ball_content[0].e[0][0],     3, 3,
3543     NULL, NULL, "1",                    NULL
3544   },
3545   {
3546     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3547     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3548     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3549     &level.ball_content[1].e[0][0],     3, 3,
3550     NULL, NULL, "2",                    NULL
3551   },
3552   {
3553     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3554     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3555     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3556     &level.ball_content[2].e[0][0],     3, 3,
3557     NULL, NULL, "3",                    NULL
3558   },
3559   {
3560     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3561     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3562     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3563     &level.ball_content[3].e[0][0],     3, 3,
3564     NULL, NULL, "4",                    NULL
3565   },
3566   {
3567     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3568     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3569     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3570     &level.ball_content[4].e[0][0],     3, 3,
3571     NULL, NULL, "5",                    NULL
3572   },
3573   {
3574     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3575     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3576     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3577     &level.ball_content[5].e[0][0],     3, 3,
3578     NULL, NULL, "6",                    NULL
3579   },
3580   {
3581     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3582     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3583     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3584     &level.ball_content[6].e[0][0],     3, 3,
3585     NULL, NULL, "7",                    NULL
3586   },
3587   {
3588     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3589     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3590     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3591     &level.ball_content[7].e[0][0],     3, 3,
3592     NULL, NULL, "8",                    NULL
3593   },
3594
3595   // ---------- android content -----------------------------------------------
3596
3597   {
3598     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3599     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3600     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3601     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3602     "elements:", NULL, NULL,            "elements android can clone"
3603   },
3604
3605   // ---------- amoeba content ------------------------------------------------
3606
3607   {
3608     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3609     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3610     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3611     &level.amoeba_content,              1, 1,
3612     "content:", NULL, NULL,             "amoeba content"
3613   },
3614
3615   // ---------- level start element -------------------------------------------
3616
3617   {
3618     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3619     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3620     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3621     &level.start_element[0],            1, 1,
3622     NULL, NULL, NULL,                   "level start element"
3623   },
3624
3625   // ---------- player artwork element ----------------------------------------
3626
3627   {
3628     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3629     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3630     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3631     &level.artwork_element[0],          1, 1,
3632     NULL, NULL, NULL,                   "element for player artwork"
3633   },
3634
3635   // ---------- player explosion element --------------------------------------
3636
3637   {
3638     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3639     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3640     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3641     &level.explosion_element[0],        1, 1,
3642     NULL, NULL, NULL,                   "element for player explosion"
3643   },
3644
3645   // ---------- player initial inventory --------------------------------------
3646
3647   {
3648     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3649     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3650     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3651     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3652     NULL, NULL, NULL,                   "content for initial inventory"
3653   },
3654
3655   // ---------- element settings: configure 1 (custom elements) ---------------
3656
3657   // ---------- custom graphic ------------------------------------------------
3658
3659   {
3660     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3661     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3662     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3663     &custom_element.gfx_element_initial,1, 1,
3664     NULL, NULL, NULL,                   "custom graphic element"
3665   },
3666
3667   // ---------- element settings: configure 2 (custom elements) ---------------
3668
3669   // ---------- custom content (when exploding) -------------------------------
3670
3671   {
3672     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3673     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3674     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3675     &custom_element.content.e[0][0],    3, 3,
3676     "content:", NULL, NULL,             NULL
3677   },
3678
3679   // ---------- custom enter and leave element (when moving) ------------------
3680
3681   {
3682     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3683     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3684     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3685     &custom_element.move_enter_element, 1, 1,
3686     "can dig:", " ", NULL,              "element that can be digged/collected"
3687   },
3688   {
3689     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3690     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3691     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3692     &custom_element.move_leave_element, 1, 1,
3693     NULL, NULL, NULL,                   "element that will be left behind"
3694   },
3695
3696   // ---------- element settings: advanced (custom elements) ------------------
3697
3698   // ---------- custom change target ------------------------------------------
3699
3700   {
3701     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3702     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3703     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3704     &custom_element_change.target_element, 1, 1,
3705     NULL, "after/when:", NULL,          "new target element after change"
3706   },
3707
3708   // ---------- custom change content (extended change target) ----------------
3709
3710   {
3711     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3712     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3713     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3714     &custom_element_change.target_content.e[0][0], 3, 3,
3715     NULL, NULL, NULL,                   "new extended elements after change"
3716   },
3717
3718   // ---------- custom change trigger (element causing change) ----------------
3719
3720   {
3721     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3722     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3723     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3724     &custom_element_change.initial_trigger_element, 1, 1,
3725     NULL, NULL, NULL,                   "other element triggering change"
3726   },
3727
3728   // ---------- custom change action (element used for action) ----------------
3729
3730   {
3731     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3732     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3733     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3734     &custom_element_change.action_element, 1, 1,
3735     NULL, NULL, NULL,                   "element used as action parameter"
3736   },
3737
3738   // ---------- group element content -----------------------------------------
3739
3740   {
3741     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3742     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3743     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3744     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3745     "content:", NULL, NULL,             NULL
3746   },
3747
3748   // ---------- random background (for random painting) -----------------------
3749
3750   {
3751     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3752     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3753     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3754     &random_placement_background_element, 1, 1,
3755     NULL, NULL, NULL,                   "random placement background"
3756   },
3757 };
3758
3759
3760 // ----------------------------------------------------------------------------
3761 // some internally used variables
3762 // ----------------------------------------------------------------------------
3763
3764 // maximal size of level editor drawing area
3765 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3766
3767 // actual size of level editor drawing area
3768 static int ed_fieldx, ed_fieldy;
3769
3770 // actual position of level editor drawing area in level playfield
3771 static int level_xpos = -1, level_ypos = -1;
3772
3773 // actual tile size used to display playfield drawing area
3774 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3775 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3776
3777 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3778
3779 // drawing elements on the three mouse buttons
3780 static int new_element1 = EL_WALL;
3781 static int new_element2 = EL_EMPTY;
3782 static int new_element3 = EL_SAND;
3783
3784 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3785 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3786                                 (button) == 2 ? new_element2 : \
3787                                 (button) == 3 ? new_element3 : EL_EMPTY)
3788
3789 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3790
3791 static int use_permanent_palette = TRUE;
3792
3793 #define PX              (use_permanent_palette ? DX : SX)
3794 #define PY              (use_permanent_palette ? DY : SY)
3795 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3796 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3797
3798 // forward declaration for internal use
3799 static void CopyBrushToCursor(int, int);
3800 static void DeleteBrushFromCursor(void);
3801 static void ModifyEditorCounterValue(int, int);
3802 static void ModifyEditorCounterLimits(int, int, int);
3803 static void ModifyEditorSelectboxValue(int, int);
3804 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3805 static void ModifyEditorDrawingArea(int, int, int);
3806 static void ModifyEditorElementList(void);
3807 static void AdjustElementListScrollbar(void);
3808 static void RedrawDrawingElements(void);
3809 static void DrawDrawingWindowExt(boolean);
3810 static void DrawDrawingWindow(void);
3811 static void DrawLevelInfoWindow(void);
3812 static void DrawPropertiesWindow(void);
3813 static void DrawPaletteWindow(void);
3814 static void UpdateCustomElementGraphicGadgets(void);
3815 static boolean checkPropertiesConfig(int);
3816 static void SetAutomaticNumberOfGemsNeeded(void);
3817 static void ClearEditorGadgetInfoText(void);
3818 static void CopyLevelToUndoBuffer(int);
3819 static void HandleDrawingAreas(struct GadgetInfo *);
3820 static void HandleCounterButtons(struct GadgetInfo *);
3821 static void HandleTextInputGadgets(struct GadgetInfo *);
3822 static void HandleTextAreaGadgets(struct GadgetInfo *);
3823 static void HandleSelectboxGadgets(struct GadgetInfo *);
3824 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3825 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3826 static void HandleRadiobuttons(struct GadgetInfo *);
3827 static void HandleCheckbuttons(struct GadgetInfo *);
3828 static void HandleControlButtons(struct GadgetInfo *);
3829 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3830 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3831 static boolean AskToCopyAndModifyLevelTemplate(void);
3832 static boolean getDrawModeHiRes(void);
3833 static int getTabulatorBarWidth(void);
3834 static int getTabulatorBarHeight(void);
3835 static Pixel getTabulatorBarColor(void);
3836
3837 static int num_editor_gadgets = 0;      // dynamically determined
3838
3839 static struct GadgetInfo **level_editor_gadget = NULL;
3840 static int *right_gadget_border = NULL;
3841
3842 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3843 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3844 static boolean draw_with_brush = FALSE;
3845 static int properties_element = 0;
3846
3847 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3848 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3849 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3850 static int undo_buffer_position = 0;
3851 static int undo_buffer_steps = 0;
3852 static int redo_buffer_steps = 0;
3853
3854 static int edit_mode;
3855 static int edit_mode_levelinfo;
3856 static int edit_mode_properties;
3857
3858 static int element_shift = 0;
3859
3860 static int editor_el_players[] =
3861 {
3862   EL_PLAYER_1,
3863   EL_PLAYER_2,
3864   EL_PLAYER_3,
3865   EL_PLAYER_4
3866 };
3867 static int *editor_el_players_ptr = editor_el_players;
3868 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3869
3870 static int editor_hl_boulderdash[] =
3871 {
3872   EL_INTERNAL_CASCADE_BD_ACTIVE,
3873   EL_CHAR('B'),
3874   EL_CHAR('D'),
3875   EL_EMPTY,
3876 };
3877
3878 static int editor_el_boulderdash[] =
3879 {
3880   EL_EMPTY,
3881   EL_SAND,
3882   EL_BD_ROCK,
3883   EL_BD_DIAMOND,
3884
3885   EL_STEELWALL,
3886   EL_BD_WALL,
3887   EL_BD_EXPANDABLE_WALL,
3888   EL_BD_MAGIC_WALL,
3889
3890   EL_BD_AMOEBA,
3891   EL_BD_BUTTERFLY_UP,
3892   EL_BD_FIREFLY_UP,
3893   EL_EXIT_CLOSED,
3894
3895   EL_BD_BUTTERFLY_LEFT,
3896   EL_BD_FIREFLY_LEFT,
3897   EL_BD_BUTTERFLY_RIGHT,
3898   EL_BD_FIREFLY_RIGHT,
3899
3900   EL_EMPTY,
3901   EL_BD_BUTTERFLY_DOWN,
3902   EL_BD_FIREFLY_DOWN,
3903   EL_EXIT_OPEN,
3904 };
3905 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3906 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3907 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3908 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3909
3910 static int editor_hl_emerald_mine[] =
3911 {
3912   EL_INTERNAL_CASCADE_EM_ACTIVE,
3913   EL_CHAR('E'),
3914   EL_CHAR('M'),
3915   EL_EMPTY,
3916 };
3917
3918 static int editor_el_emerald_mine[] =
3919 {
3920   EL_SAND,
3921   EL_ROCK,
3922   EL_QUICKSAND_EMPTY,
3923   EL_QUICKSAND_FULL,
3924
3925   EL_STEELWALL,
3926   EL_WALL,
3927   EL_WALL_SLIPPERY,
3928   EL_MAGIC_WALL,
3929
3930   EL_EMERALD,
3931   EL_DIAMOND,
3932   EL_NUT,
3933   EL_BOMB,
3934
3935   EL_EM_DYNAMITE,
3936   EL_EM_DYNAMITE_ACTIVE,
3937   EL_EM_EXIT_CLOSED,
3938   EL_EM_EXIT_OPEN,
3939
3940   EL_YAMYAM_UP,
3941   EL_BUG_UP,
3942   EL_SPACESHIP_UP,
3943   EL_ROBOT,
3944
3945   EL_BUG_LEFT,
3946   EL_SPACESHIP_LEFT,
3947   EL_BUG_RIGHT,
3948   EL_SPACESHIP_RIGHT,
3949
3950   EL_ROBOT_WHEEL,
3951   EL_BUG_DOWN,
3952   EL_SPACESHIP_DOWN,
3953   EL_INVISIBLE_WALL,
3954
3955   EL_ACID_POOL_TOPLEFT,
3956   EL_ACID,
3957   EL_ACID_POOL_TOPRIGHT,
3958   EL_AMOEBA_DROP,
3959
3960   EL_ACID_POOL_BOTTOMLEFT,
3961   EL_ACID_POOL_BOTTOM,
3962   EL_ACID_POOL_BOTTOMRIGHT,
3963   EL_AMOEBA_WET,
3964
3965   EL_EM_KEY_1,
3966   EL_EM_KEY_2,
3967   EL_EM_KEY_3,
3968   EL_EM_KEY_4,
3969
3970   EL_EM_GATE_1,
3971   EL_EM_GATE_2,
3972   EL_EM_GATE_3,
3973   EL_EM_GATE_4,
3974
3975   EL_EM_GATE_1_GRAY,
3976   EL_EM_GATE_2_GRAY,
3977   EL_EM_GATE_3_GRAY,
3978   EL_EM_GATE_4_GRAY,
3979 };
3980 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3981 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3982 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
3983 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
3984
3985 static int editor_hl_emerald_mine_club[] =
3986 {
3987   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3988   EL_CHAR('E'),
3989   EL_CHAR('M'),
3990   EL_CHAR('C'),
3991 };
3992
3993 static int editor_el_emerald_mine_club[] =
3994 {
3995   EL_EMC_KEY_5,
3996   EL_EMC_KEY_6,
3997   EL_EMC_KEY_7,
3998   EL_EMC_KEY_8,
3999
4000   EL_EMC_GATE_5,
4001   EL_EMC_GATE_6,
4002   EL_EMC_GATE_7,
4003   EL_EMC_GATE_8,
4004
4005   EL_EMC_GATE_5_GRAY,
4006   EL_EMC_GATE_6_GRAY,
4007   EL_EMC_GATE_7_GRAY,
4008   EL_EMC_GATE_8_GRAY,
4009
4010   EL_EMC_STEELWALL_1,
4011   EL_EMC_STEELWALL_2,
4012   EL_EMC_STEELWALL_3,
4013   EL_EMC_STEELWALL_4,
4014
4015   EL_EMC_WALL_13,
4016   EL_EMC_WALL_14,
4017   EL_EMC_WALL_15,
4018   EL_EMC_WALL_16,
4019
4020   EL_EMC_WALL_SLIPPERY_1,
4021   EL_EMC_WALL_SLIPPERY_2,
4022   EL_EMC_WALL_SLIPPERY_3,
4023   EL_EMC_WALL_SLIPPERY_4,
4024
4025   EL_EMC_WALL_1,
4026   EL_EMC_WALL_2,
4027   EL_EMC_WALL_3,
4028   EL_EMC_WALL_4,
4029
4030   EL_EMC_WALL_5,
4031   EL_EMC_WALL_6,
4032   EL_EMC_WALL_7,
4033   EL_EMC_WALL_8,
4034
4035   EL_EMC_WALL_9,
4036   EL_EMC_WALL_10,
4037   EL_EMC_WALL_11,
4038   EL_EMC_WALL_12,
4039
4040   EL_EMC_GRASS,
4041   EL_EMC_FAKE_GRASS,
4042   EL_EMC_PLANT,
4043   EL_EMC_DRIPPER,
4044
4045   EL_EMC_MAGIC_BALL,
4046   EL_EMC_MAGIC_BALL_SWITCH,
4047   EL_SPRING,
4048   EL_EMC_SPRING_BUMPER,
4049
4050   EL_EMC_LENSES,
4051   EL_EMC_MAGNIFIER,
4052   EL_EMPTY,
4053   EL_EMPTY,
4054
4055   EL_BALLOON,
4056   EL_YAMYAM_UP,
4057   EL_BALLOON_SWITCH_UP,
4058   EL_BALLOON_SWITCH_ANY,
4059
4060   EL_YAMYAM_LEFT,
4061   EL_BALLOON_SWITCH_LEFT,
4062   EL_YAMYAM_RIGHT,
4063   EL_BALLOON_SWITCH_RIGHT,
4064
4065   EL_EMC_ANDROID,
4066   EL_YAMYAM_DOWN,
4067   EL_BALLOON_SWITCH_DOWN,
4068   EL_BALLOON_SWITCH_NONE,
4069 };
4070 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4071 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4072 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4073 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4074
4075 static int editor_hl_rnd[] =
4076 {
4077   EL_INTERNAL_CASCADE_RND_ACTIVE,
4078   EL_CHAR('R'),
4079   EL_CHAR('N'),
4080   EL_CHAR('D'),
4081 };
4082
4083 static int editor_el_rnd[] =
4084 {
4085   EL_DYNAMITE,                  // RND
4086   EL_DYNAMITE_ACTIVE,           // RND
4087   EL_EMPTY,
4088   EL_EMPTY,
4089
4090   EL_KEY_1,
4091   EL_KEY_2,
4092   EL_KEY_3,
4093   EL_KEY_4,
4094
4095   EL_GATE_1,
4096   EL_GATE_2,
4097   EL_GATE_3,
4098   EL_GATE_4,
4099
4100   EL_GATE_1_GRAY,
4101   EL_GATE_2_GRAY,
4102   EL_GATE_3_GRAY,
4103   EL_GATE_4_GRAY,
4104
4105   EL_ARROW_LEFT,
4106   EL_ARROW_RIGHT,
4107   EL_ARROW_UP,
4108   EL_ARROW_DOWN,
4109
4110   EL_AMOEBA_DEAD,
4111   EL_AMOEBA_DRY,
4112   EL_AMOEBA_FULL,
4113   EL_GAME_OF_LIFE,
4114
4115   EL_EMERALD_YELLOW,
4116   EL_EMERALD_RED,
4117   EL_EMERALD_PURPLE,
4118   EL_BIOMAZE,
4119
4120   EL_WALL_EMERALD_YELLOW,
4121   EL_WALL_EMERALD_RED,
4122   EL_WALL_EMERALD_PURPLE,
4123   EL_WALL_BD_DIAMOND,
4124
4125   EL_SPEED_PILL,
4126   EL_PACMAN_UP,
4127   EL_TIME_ORB_FULL,
4128   EL_TIME_ORB_EMPTY,
4129
4130   EL_PACMAN_LEFT,
4131   EL_DARK_YAMYAM,
4132   EL_PACMAN_RIGHT,
4133   EL_YAMYAM,                    // RND
4134
4135   EL_BLACK_ORB,
4136   EL_PACMAN_DOWN,
4137   EL_LAMP,
4138   EL_LAMP_ACTIVE,
4139
4140   EL_DYNABOMB_INCREASE_NUMBER,
4141   EL_DYNABOMB_INCREASE_SIZE,
4142   EL_DYNABOMB_INCREASE_POWER,
4143   EL_STONEBLOCK,
4144
4145   EL_MOLE,
4146   EL_PENGUIN,
4147   EL_PIG,
4148   EL_DRAGON,
4149
4150   EL_BUG,
4151   EL_MOLE_UP,
4152   EL_BD_BUTTERFLY,
4153   EL_BD_FIREFLY,
4154
4155   EL_MOLE_LEFT,
4156   EL_SATELLITE,
4157   EL_MOLE_RIGHT,
4158   EL_PACMAN,
4159
4160   EL_SPACESHIP,
4161   EL_MOLE_DOWN,
4162   EL_INVISIBLE_STEELWALL,
4163   EL_INVISIBLE_WALL,
4164
4165   EL_EXPANDABLE_WALL,
4166   EL_EXPANDABLE_WALL_HORIZONTAL,
4167   EL_EXPANDABLE_WALL_VERTICAL,
4168   EL_EXPANDABLE_WALL_ANY,
4169 };
4170 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4171 static int *editor_el_rnd_ptr = editor_el_rnd;
4172 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4173 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4174
4175 static int editor_hl_sokoban[] =
4176 {
4177   EL_INTERNAL_CASCADE_SB_ACTIVE,
4178   EL_CHAR('S'),
4179   EL_CHAR('B'),
4180   EL_EMPTY,
4181 };
4182
4183 static int editor_el_sokoban[] =
4184 {
4185   EL_SOKOBAN_OBJECT,
4186   EL_SOKOBAN_FIELD_EMPTY,
4187   EL_SOKOBAN_FIELD_FULL,
4188   EL_SOKOBAN_FIELD_PLAYER,
4189 };
4190 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4191 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4192 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4193 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4194
4195 static int editor_hl_supaplex[] =
4196 {
4197   EL_INTERNAL_CASCADE_SP_ACTIVE,
4198   EL_CHAR('S'),
4199   EL_CHAR('P'),
4200   EL_EMPTY,
4201 };
4202
4203 static int editor_el_supaplex[] =
4204 {
4205   EL_SP_MURPHY,
4206   EL_EMPTY,
4207   EL_SP_BASE,
4208   EL_SP_BUGGY_BASE,
4209
4210   EL_SP_INFOTRON,
4211   EL_SP_ZONK,
4212   EL_SP_SNIKSNAK,
4213   EL_SP_ELECTRON,
4214
4215   EL_SP_DISK_RED,
4216   EL_SP_DISK_ORANGE,
4217   EL_SP_DISK_YELLOW,
4218   EL_SP_TERMINAL,
4219
4220   EL_SP_EXIT_CLOSED,
4221   EL_SP_PORT_HORIZONTAL,
4222   EL_SP_PORT_VERTICAL,
4223   EL_SP_PORT_ANY,
4224
4225   EL_SP_PORT_LEFT,
4226   EL_SP_PORT_RIGHT,
4227   EL_SP_PORT_UP,
4228   EL_SP_PORT_DOWN,
4229
4230   EL_SP_GRAVITY_PORT_LEFT,
4231   EL_SP_GRAVITY_PORT_RIGHT,
4232   EL_SP_GRAVITY_PORT_UP,
4233   EL_SP_GRAVITY_PORT_DOWN,
4234
4235   EL_SP_GRAVITY_ON_PORT_LEFT,
4236   EL_SP_GRAVITY_ON_PORT_RIGHT,
4237   EL_SP_GRAVITY_ON_PORT_UP,
4238   EL_SP_GRAVITY_ON_PORT_DOWN,
4239
4240   EL_SP_GRAVITY_OFF_PORT_LEFT,
4241   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4242   EL_SP_GRAVITY_OFF_PORT_UP,
4243   EL_SP_GRAVITY_OFF_PORT_DOWN,
4244
4245   EL_SP_HARDWARE_GRAY,
4246   EL_SP_HARDWARE_GREEN,
4247   EL_SP_HARDWARE_BLUE,
4248   EL_SP_HARDWARE_RED,
4249
4250   EL_SP_HARDWARE_BASE_1,
4251   EL_SP_HARDWARE_BASE_2,
4252   EL_SP_HARDWARE_BASE_3,
4253   EL_SP_HARDWARE_BASE_4,
4254
4255   EL_SP_HARDWARE_BASE_5,
4256   EL_SP_HARDWARE_BASE_6,
4257   EL_SP_HARDWARE_YELLOW,
4258   EL_SP_CHIP_TOP,
4259
4260   EL_SP_CHIP_SINGLE,
4261   EL_SP_CHIP_LEFT,
4262   EL_SP_CHIP_RIGHT,
4263   EL_SP_CHIP_BOTTOM,
4264 };
4265 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4266 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4267 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4268 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4269
4270 static int editor_hl_diamond_caves[] =
4271 {
4272   EL_INTERNAL_CASCADE_DC_ACTIVE,
4273   EL_CHAR('D'),
4274   EL_CHAR('C'),
4275   EL_CHAR('2'),
4276 };
4277
4278 static int editor_el_diamond_caves[] =
4279 {
4280   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4281   EL_EM_STEEL_EXIT_OPEN,        // DC2
4282   EL_WALL_EMERALD,              // DC2
4283   EL_WALL_DIAMOND,              // DC2
4284
4285   EL_PEARL,
4286   EL_CRYSTAL,
4287   EL_WALL_PEARL,
4288   EL_WALL_CRYSTAL,
4289
4290   EL_CONVEYOR_BELT_1_LEFT,
4291   EL_CONVEYOR_BELT_1_MIDDLE,
4292   EL_CONVEYOR_BELT_1_RIGHT,
4293   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4294
4295   EL_CONVEYOR_BELT_2_LEFT,
4296   EL_CONVEYOR_BELT_2_MIDDLE,
4297   EL_CONVEYOR_BELT_2_RIGHT,
4298   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4299
4300   EL_CONVEYOR_BELT_3_LEFT,
4301   EL_CONVEYOR_BELT_3_MIDDLE,
4302   EL_CONVEYOR_BELT_3_RIGHT,
4303   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4304
4305   EL_CONVEYOR_BELT_4_LEFT,
4306   EL_CONVEYOR_BELT_4_MIDDLE,
4307   EL_CONVEYOR_BELT_4_RIGHT,
4308   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4309
4310   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4311   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4312   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4313   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4314
4315   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4316   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4317   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4318   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4319
4320   EL_TIMEGATE_CLOSED,
4321   EL_TIMEGATE_OPEN,
4322   EL_TIMEGATE_SWITCH,
4323   EL_DC_TIMEGATE_SWITCH,
4324
4325   EL_SWITCHGATE_CLOSED,
4326   EL_SWITCHGATE_OPEN,
4327   EL_SWITCHGATE_SWITCH_UP,
4328   EL_SWITCHGATE_SWITCH_DOWN,
4329
4330   EL_LIGHT_SWITCH,
4331   EL_LIGHT_SWITCH_ACTIVE,
4332   EL_DC_SWITCHGATE_SWITCH_UP,
4333   EL_DC_SWITCHGATE_SWITCH_DOWN,
4334
4335   EL_STEEL_EXIT_CLOSED,
4336   EL_STEEL_EXIT_OPEN,
4337   EL_STEELWALL_SLIPPERY,
4338   EL_INVISIBLE_SAND,
4339
4340   EL_QUICKSAND_FAST_EMPTY,
4341   EL_QUICKSAND_FAST_FULL,
4342   EL_LANDMINE,
4343   EL_DC_LANDMINE,
4344
4345   EL_SHIELD_NORMAL,
4346   EL_SHIELD_DEADLY,
4347   EL_EXTRA_TIME,
4348   EL_DC_MAGIC_WALL,
4349
4350   EL_ENVELOPE_1,
4351   EL_ENVELOPE_2,
4352   EL_ENVELOPE_3,
4353   EL_ENVELOPE_4,
4354
4355   EL_SIGN_RADIOACTIVITY,
4356   EL_SIGN_WHEELCHAIR,
4357   EL_SIGN_PARKING,
4358   EL_SIGN_NO_ENTRY,
4359
4360   EL_SIGN_GIVE_WAY,
4361   EL_SIGN_ENTRY_FORBIDDEN,
4362   EL_SIGN_EMERGENCY_EXIT,
4363   EL_SIGN_YIN_YANG,
4364
4365 #if 0
4366   EL_SIGN_SPERMS,
4367   EL_SIGN_BULLET,
4368   EL_SIGN_HEART,
4369   EL_SIGN_CROSS,
4370
4371   EL_SIGN_FRANKIE,
4372   EL_EMPTY,
4373   EL_EMPTY,
4374   EL_EMPTY,
4375
4376   EL_SPERMS,
4377   EL_BULLET,
4378   EL_HEART,
4379   EL_CROSS,
4380
4381   EL_FRANKIE,
4382   EL_EMPTY,
4383   EL_EMPTY,
4384   EL_EMPTY,
4385 #endif
4386
4387   EL_DC_STEELWALL_2_SINGLE,
4388   EL_DC_STEELWALL_2_TOP,
4389   EL_SIGN_EXCLAMATION,
4390   EL_SIGN_STOP,
4391
4392   EL_DC_STEELWALL_2_LEFT,
4393   EL_DC_STEELWALL_2_MIDDLE,
4394   EL_DC_STEELWALL_2_HORIZONTAL,
4395   EL_DC_STEELWALL_2_RIGHT,
4396
4397   EL_DC_STEELWALL_1_TOPLEFT,
4398   EL_DC_STEELWALL_2_VERTICAL,
4399   EL_DC_STEELWALL_1_TOPRIGHT,
4400   EL_DC_GATE_WHITE,
4401
4402   EL_DC_STEELWALL_1_VERTICAL,
4403   EL_DC_STEELWALL_2_BOTTOM,
4404   EL_DC_KEY_WHITE,
4405   EL_DC_GATE_WHITE_GRAY,
4406
4407   EL_DC_STEELWALL_1_BOTTOMLEFT,
4408   EL_DC_STEELWALL_1_HORIZONTAL,
4409   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4410   EL_DC_GATE_FAKE_GRAY,
4411
4412   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4413   EL_DC_STEELWALL_1_BOTTOM,
4414   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4415   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4416
4417   EL_DC_STEELWALL_1_RIGHT,
4418   EL_EMPTY,
4419   EL_DC_STEELWALL_1_LEFT,
4420   EL_EXPANDABLE_STEELWALL_VERTICAL,
4421
4422   EL_DC_STEELWALL_1_TOPRIGHT_2,
4423   EL_DC_STEELWALL_1_TOP,
4424   EL_DC_STEELWALL_1_TOPLEFT_2,
4425   EL_EXPANDABLE_STEELWALL_ANY,
4426 };
4427 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4428 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4429 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4430 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4431
4432 static int editor_hl_dx_boulderdash[] =
4433 {
4434   EL_INTERNAL_CASCADE_DX_ACTIVE,
4435   EL_CHAR('D'),
4436   EL_CHAR('X'),
4437   EL_EMPTY,
4438 };
4439
4440 static int editor_el_dx_boulderdash[] =
4441 {
4442   EL_EMPTY,
4443   EL_TUBE_RIGHT_DOWN,
4444   EL_TUBE_HORIZONTAL_DOWN,
4445   EL_TUBE_LEFT_DOWN,
4446
4447   EL_TUBE_HORIZONTAL,
4448   EL_TUBE_VERTICAL_RIGHT,
4449   EL_TUBE_ANY,
4450   EL_TUBE_VERTICAL_LEFT,
4451
4452   EL_TUBE_VERTICAL,
4453   EL_TUBE_RIGHT_UP,
4454   EL_TUBE_HORIZONTAL_UP,
4455   EL_TUBE_LEFT_UP,
4456
4457   EL_TRAP,
4458   EL_DX_SUPABOMB,
4459   EL_EMPTY,
4460   EL_EMPTY
4461 };
4462 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4463 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4464 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4465 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4466
4467 static int editor_hl_mirror_magic[] =
4468 {
4469   EL_INTERNAL_CASCADE_MM_ACTIVE,
4470   EL_CHAR('M'),
4471   EL_CHAR('M'),
4472   EL_EMPTY,
4473 };
4474
4475 static int editor_el_mirror_magic[] =
4476 {
4477   EL_MM_MCDUFFIN_RIGHT,
4478   EL_MM_MCDUFFIN_UP,
4479   EL_MM_MCDUFFIN_LEFT,
4480   EL_MM_MCDUFFIN_DOWN,
4481
4482   EL_MM_MIRROR_START,
4483   EL_MM_MIRROR_FIXED_START,
4484   EL_MM_POLARIZER_START,
4485   EL_MM_POLARIZER_CROSS_START,
4486
4487   EL_MM_TELEPORTER_RED_START,
4488   EL_MM_TELEPORTER_YELLOW_START,
4489   EL_MM_TELEPORTER_GREEN_START,
4490   EL_MM_TELEPORTER_BLUE_START,
4491
4492   EL_MM_PRISM,
4493   EL_MM_FUSE_ACTIVE,
4494   EL_MM_PACMAN_RIGHT,
4495   EL_MM_EXIT_CLOSED,
4496
4497   EL_MM_KETTLE,
4498   EL_MM_BOMB,
4499   EL_MM_KEY,
4500   EL_MM_FUEL_FULL,
4501
4502   EL_MM_LIGHTBULB,
4503   EL_MM_LIGHTBULB_ACTIVE,
4504   EL_MM_GRAY_BALL,
4505   EL_MM_LIGHTBALL,
4506
4507   EL_MM_STEEL_WALL,
4508   EL_MM_WOODEN_WALL,
4509   EL_MM_ICE_WALL,
4510   EL_MM_AMOEBA_WALL,
4511
4512   EL_MM_STEEL_LOCK,
4513   EL_MM_WOODEN_LOCK,
4514   EL_MM_STEEL_BLOCK,
4515   EL_MM_WOODEN_BLOCK,
4516
4517   EL_MM_STEEL_GRID_FIXED_1,
4518   EL_MM_STEEL_GRID_FIXED_2,
4519   EL_MM_STEEL_GRID_FIXED_3,
4520   EL_MM_STEEL_GRID_FIXED_4,
4521
4522   EL_MM_WOODEN_GRID_FIXED_1,
4523   EL_MM_WOODEN_GRID_FIXED_2,
4524   EL_MM_WOODEN_GRID_FIXED_3,
4525   EL_MM_WOODEN_GRID_FIXED_4
4526 };
4527 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4528 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4529 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4530 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4531
4532 static int editor_hl_deflektor[] =
4533 {
4534   EL_INTERNAL_CASCADE_DF_ACTIVE,
4535   EL_CHAR('D'),
4536   EL_CHAR('F'),
4537   EL_EMPTY,
4538 };
4539
4540 static int editor_el_deflektor[] =
4541 {
4542   EL_DF_LASER_RIGHT,
4543   EL_DF_LASER_UP,
4544   EL_DF_LASER_LEFT,
4545   EL_DF_LASER_DOWN,
4546
4547   EL_DF_RECEIVER_RIGHT,
4548   EL_DF_RECEIVER_UP,
4549   EL_DF_RECEIVER_LEFT,
4550   EL_DF_RECEIVER_DOWN,
4551
4552   EL_DF_MIRROR_START,
4553   EL_DF_MIRROR_ROTATING_START,
4554   EL_DF_CELL,
4555   EL_DF_MINE,
4556
4557   EL_DF_FIBRE_OPTIC_RED_1,
4558   EL_DF_FIBRE_OPTIC_YELLOW_1,
4559   EL_DF_FIBRE_OPTIC_GREEN_1,
4560   EL_DF_FIBRE_OPTIC_BLUE_1,
4561
4562   EL_DF_STEEL_GRID_FIXED_START,
4563   EL_DF_STEEL_GRID_ROTATING_START,
4564   EL_DF_WOODEN_GRID_FIXED_START,
4565   EL_DF_WOODEN_GRID_ROTATING_START,
4566
4567   EL_DF_STEEL_WALL,
4568   EL_DF_WOODEN_WALL,
4569   EL_DF_REFRACTOR,
4570   EL_EMPTY
4571 };
4572 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4573 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4574 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4575 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4576
4577 static int editor_hl_chars[] =
4578 {
4579   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4580   EL_CHAR('T'),
4581   EL_CHAR('X'),
4582   EL_CHAR('T'),
4583 };
4584
4585 static int editor_el_chars[] =
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('('),
4598   EL_CHAR(')'),
4599   EL_CHAR('*'),
4600   EL_CHAR('+'),
4601
4602   EL_CHAR(','),
4603   EL_CHAR('-'),
4604   EL_CHAR('.'),
4605   EL_CHAR('/'),
4606
4607   EL_CHAR('0'),
4608   EL_CHAR('1'),
4609   EL_CHAR('2'),
4610   EL_CHAR('3'),
4611
4612   EL_CHAR('4'),
4613   EL_CHAR('5'),
4614   EL_CHAR('6'),
4615   EL_CHAR('7'),
4616
4617   EL_CHAR('8'),
4618   EL_CHAR('9'),
4619   EL_CHAR(':'),
4620   EL_CHAR(';'),
4621
4622   EL_CHAR('<'),
4623   EL_CHAR('='),
4624   EL_CHAR('>'),
4625   EL_CHAR('?'),
4626
4627   EL_CHAR('@'),
4628   EL_CHAR('A'),
4629   EL_CHAR('B'),
4630   EL_CHAR('C'),
4631
4632   EL_CHAR('D'),
4633   EL_CHAR('E'),
4634   EL_CHAR('F'),
4635   EL_CHAR('G'),
4636
4637   EL_CHAR('H'),
4638   EL_CHAR('I'),
4639   EL_CHAR('J'),
4640   EL_CHAR('K'),
4641
4642   EL_CHAR('L'),
4643   EL_CHAR('M'),
4644   EL_CHAR('N'),
4645   EL_CHAR('O'),
4646
4647   EL_CHAR('P'),
4648   EL_CHAR('Q'),
4649   EL_CHAR('R'),
4650   EL_CHAR('S'),
4651
4652   EL_CHAR('T'),
4653   EL_CHAR('U'),
4654   EL_CHAR('V'),
4655   EL_CHAR('W'),
4656
4657   EL_CHAR('X'),
4658   EL_CHAR('Y'),
4659   EL_CHAR('Z'),
4660   EL_CHAR('['),
4661
4662   EL_CHAR('\\'),
4663   EL_CHAR(']'),
4664   EL_CHAR('^'),
4665   EL_CHAR('_'),
4666
4667   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4668   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4669   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4670   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4671
4672   EL_CHAR(CHAR_BYTE_DEGREE),
4673   EL_CHAR(CHAR_BYTE_REGISTERED),
4674   EL_CHAR(FONT_ASCII_CURSOR),
4675   EL_CHAR(FONT_ASCII_BUTTON),
4676
4677   EL_CHAR(FONT_ASCII_UP),
4678   EL_CHAR(FONT_ASCII_DOWN),
4679   EL_CHAR(' '),
4680   EL_CHAR(' ')
4681 };
4682 static int *editor_hl_chars_ptr = editor_hl_chars;
4683 static int *editor_el_chars_ptr = editor_el_chars;
4684 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4685 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4686
4687 static int editor_hl_steel_chars[] =
4688 {
4689   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4690   EL_STEEL_CHAR('T'),
4691   EL_STEEL_CHAR('X'),
4692   EL_STEEL_CHAR('T'),
4693 };
4694
4695 static int editor_el_steel_chars[] =
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('('),
4708   EL_STEEL_CHAR(')'),
4709   EL_STEEL_CHAR('*'),
4710   EL_STEEL_CHAR('+'),
4711
4712   EL_STEEL_CHAR(','),
4713   EL_STEEL_CHAR('-'),
4714   EL_STEEL_CHAR('.'),
4715   EL_STEEL_CHAR('/'),
4716
4717   EL_STEEL_CHAR('0'),
4718   EL_STEEL_CHAR('1'),
4719   EL_STEEL_CHAR('2'),
4720   EL_STEEL_CHAR('3'),
4721
4722   EL_STEEL_CHAR('4'),
4723   EL_STEEL_CHAR('5'),
4724   EL_STEEL_CHAR('6'),
4725   EL_STEEL_CHAR('7'),
4726
4727   EL_STEEL_CHAR('8'),
4728   EL_STEEL_CHAR('9'),
4729   EL_STEEL_CHAR(':'),
4730   EL_STEEL_CHAR(';'),
4731
4732   EL_STEEL_CHAR('<'),
4733   EL_STEEL_CHAR('='),
4734   EL_STEEL_CHAR('>'),
4735   EL_STEEL_CHAR('?'),
4736
4737   EL_STEEL_CHAR('@'),
4738   EL_STEEL_CHAR('A'),
4739   EL_STEEL_CHAR('B'),
4740   EL_STEEL_CHAR('C'),
4741
4742   EL_STEEL_CHAR('D'),
4743   EL_STEEL_CHAR('E'),
4744   EL_STEEL_CHAR('F'),
4745   EL_STEEL_CHAR('G'),
4746
4747   EL_STEEL_CHAR('H'),
4748   EL_STEEL_CHAR('I'),
4749   EL_STEEL_CHAR('J'),
4750   EL_STEEL_CHAR('K'),
4751
4752   EL_STEEL_CHAR('L'),
4753   EL_STEEL_CHAR('M'),
4754   EL_STEEL_CHAR('N'),
4755   EL_STEEL_CHAR('O'),
4756
4757   EL_STEEL_CHAR('P'),
4758   EL_STEEL_CHAR('Q'),
4759   EL_STEEL_CHAR('R'),
4760   EL_STEEL_CHAR('S'),
4761
4762   EL_STEEL_CHAR('T'),
4763   EL_STEEL_CHAR('U'),
4764   EL_STEEL_CHAR('V'),
4765   EL_STEEL_CHAR('W'),
4766
4767   EL_STEEL_CHAR('X'),
4768   EL_STEEL_CHAR('Y'),
4769   EL_STEEL_CHAR('Z'),
4770   EL_STEEL_CHAR('['),
4771
4772   EL_STEEL_CHAR('\\'),
4773   EL_STEEL_CHAR(']'),
4774   EL_STEEL_CHAR('^'),
4775   EL_STEEL_CHAR('_'),
4776
4777   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4778   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4779   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4780   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4781
4782   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4783   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4784   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4785   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4786
4787   EL_STEEL_CHAR(FONT_ASCII_UP),
4788   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4789   EL_STEEL_CHAR(' '),
4790   EL_STEEL_CHAR(' ')
4791 };
4792 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4793 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4794 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4795 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4796
4797 static int editor_hl_custom[] =
4798 {
4799   EL_INTERNAL_CASCADE_CE_ACTIVE,
4800   EL_CHAR('C'),
4801   EL_CHAR('E'),
4802   EL_EMPTY,
4803 };
4804
4805 static int editor_el_custom[] =
4806 {
4807   EL_CUSTOM_START + 0,
4808   EL_CUSTOM_START + 1,
4809   EL_CUSTOM_START + 2,
4810   EL_CUSTOM_START + 3,
4811
4812   EL_CUSTOM_START + 4,
4813   EL_CUSTOM_START + 5,
4814   EL_CUSTOM_START + 6,
4815   EL_CUSTOM_START + 7,
4816
4817   EL_CUSTOM_START + 8,
4818   EL_CUSTOM_START + 9,
4819   EL_CUSTOM_START + 10,
4820   EL_CUSTOM_START + 11,
4821
4822   EL_CUSTOM_START + 12,
4823   EL_CUSTOM_START + 13,
4824   EL_CUSTOM_START + 14,
4825   EL_CUSTOM_START + 15,
4826
4827   EL_CUSTOM_START + 16,
4828   EL_CUSTOM_START + 17,
4829   EL_CUSTOM_START + 18,
4830   EL_CUSTOM_START + 19,
4831
4832   EL_CUSTOM_START + 20,
4833   EL_CUSTOM_START + 21,
4834   EL_CUSTOM_START + 22,
4835   EL_CUSTOM_START + 23,
4836
4837   EL_CUSTOM_START + 24,
4838   EL_CUSTOM_START + 25,
4839   EL_CUSTOM_START + 26,
4840   EL_CUSTOM_START + 27,
4841
4842   EL_CUSTOM_START + 28,
4843   EL_CUSTOM_START + 29,
4844   EL_CUSTOM_START + 30,
4845   EL_CUSTOM_START + 31,
4846
4847   EL_CUSTOM_START + 32,
4848   EL_CUSTOM_START + 33,
4849   EL_CUSTOM_START + 34,
4850   EL_CUSTOM_START + 35,
4851
4852   EL_CUSTOM_START + 36,
4853   EL_CUSTOM_START + 37,
4854   EL_CUSTOM_START + 38,
4855   EL_CUSTOM_START + 39,
4856
4857   EL_CUSTOM_START + 40,
4858   EL_CUSTOM_START + 41,
4859   EL_CUSTOM_START + 42,
4860   EL_CUSTOM_START + 43,
4861
4862   EL_CUSTOM_START + 44,
4863   EL_CUSTOM_START + 45,
4864   EL_CUSTOM_START + 46,
4865   EL_CUSTOM_START + 47,
4866
4867   EL_CUSTOM_START + 48,
4868   EL_CUSTOM_START + 49,
4869   EL_CUSTOM_START + 50,
4870   EL_CUSTOM_START + 51,
4871
4872   EL_CUSTOM_START + 52,
4873   EL_CUSTOM_START + 53,
4874   EL_CUSTOM_START + 54,
4875   EL_CUSTOM_START + 55,
4876
4877   EL_CUSTOM_START + 56,
4878   EL_CUSTOM_START + 57,
4879   EL_CUSTOM_START + 58,
4880   EL_CUSTOM_START + 59,
4881
4882   EL_CUSTOM_START + 60,
4883   EL_CUSTOM_START + 61,
4884   EL_CUSTOM_START + 62,
4885   EL_CUSTOM_START + 63,
4886
4887   EL_CUSTOM_START + 64,
4888   EL_CUSTOM_START + 65,
4889   EL_CUSTOM_START + 66,
4890   EL_CUSTOM_START + 67,
4891
4892   EL_CUSTOM_START + 68,
4893   EL_CUSTOM_START + 69,
4894   EL_CUSTOM_START + 70,
4895   EL_CUSTOM_START + 71,
4896
4897   EL_CUSTOM_START + 72,
4898   EL_CUSTOM_START + 73,
4899   EL_CUSTOM_START + 74,
4900   EL_CUSTOM_START + 75,
4901
4902   EL_CUSTOM_START + 76,
4903   EL_CUSTOM_START + 77,
4904   EL_CUSTOM_START + 78,
4905   EL_CUSTOM_START + 79,
4906
4907   EL_CUSTOM_START + 80,
4908   EL_CUSTOM_START + 81,
4909   EL_CUSTOM_START + 82,
4910   EL_CUSTOM_START + 83,
4911
4912   EL_CUSTOM_START + 84,
4913   EL_CUSTOM_START + 85,
4914   EL_CUSTOM_START + 86,
4915   EL_CUSTOM_START + 87,
4916
4917   EL_CUSTOM_START + 88,
4918   EL_CUSTOM_START + 89,
4919   EL_CUSTOM_START + 90,
4920   EL_CUSTOM_START + 91,
4921
4922   EL_CUSTOM_START + 92,
4923   EL_CUSTOM_START + 93,
4924   EL_CUSTOM_START + 94,
4925   EL_CUSTOM_START + 95,
4926
4927   EL_CUSTOM_START + 96,
4928   EL_CUSTOM_START + 97,
4929   EL_CUSTOM_START + 98,
4930   EL_CUSTOM_START + 99,
4931
4932   EL_CUSTOM_START + 100,
4933   EL_CUSTOM_START + 101,
4934   EL_CUSTOM_START + 102,
4935   EL_CUSTOM_START + 103,
4936
4937   EL_CUSTOM_START + 104,
4938   EL_CUSTOM_START + 105,
4939   EL_CUSTOM_START + 106,
4940   EL_CUSTOM_START + 107,
4941
4942   EL_CUSTOM_START + 108,
4943   EL_CUSTOM_START + 109,
4944   EL_CUSTOM_START + 110,
4945   EL_CUSTOM_START + 111,
4946
4947   EL_CUSTOM_START + 112,
4948   EL_CUSTOM_START + 113,
4949   EL_CUSTOM_START + 114,
4950   EL_CUSTOM_START + 115,
4951
4952   EL_CUSTOM_START + 116,
4953   EL_CUSTOM_START + 117,
4954   EL_CUSTOM_START + 118,
4955   EL_CUSTOM_START + 119,
4956
4957   EL_CUSTOM_START + 120,
4958   EL_CUSTOM_START + 121,
4959   EL_CUSTOM_START + 122,
4960   EL_CUSTOM_START + 123,
4961
4962   EL_CUSTOM_START + 124,
4963   EL_CUSTOM_START + 125,
4964   EL_CUSTOM_START + 126,
4965   EL_CUSTOM_START + 127,
4966
4967   EL_CUSTOM_START + 128,
4968   EL_CUSTOM_START + 129,
4969   EL_CUSTOM_START + 130,
4970   EL_CUSTOM_START + 131,
4971
4972   EL_CUSTOM_START + 132,
4973   EL_CUSTOM_START + 133,
4974   EL_CUSTOM_START + 134,
4975   EL_CUSTOM_START + 135,
4976
4977   EL_CUSTOM_START + 136,
4978   EL_CUSTOM_START + 137,
4979   EL_CUSTOM_START + 138,
4980   EL_CUSTOM_START + 139,
4981
4982   EL_CUSTOM_START + 140,
4983   EL_CUSTOM_START + 141,
4984   EL_CUSTOM_START + 142,
4985   EL_CUSTOM_START + 143,
4986
4987   EL_CUSTOM_START + 144,
4988   EL_CUSTOM_START + 145,
4989   EL_CUSTOM_START + 146,
4990   EL_CUSTOM_START + 147,
4991
4992   EL_CUSTOM_START + 148,
4993   EL_CUSTOM_START + 149,
4994   EL_CUSTOM_START + 150,
4995   EL_CUSTOM_START + 151,
4996
4997   EL_CUSTOM_START + 152,
4998   EL_CUSTOM_START + 153,
4999   EL_CUSTOM_START + 154,
5000   EL_CUSTOM_START + 155,
5001
5002   EL_CUSTOM_START + 156,
5003   EL_CUSTOM_START + 157,
5004   EL_CUSTOM_START + 158,
5005   EL_CUSTOM_START + 159,
5006
5007   EL_CUSTOM_START + 160,
5008   EL_CUSTOM_START + 161,
5009   EL_CUSTOM_START + 162,
5010   EL_CUSTOM_START + 163,
5011
5012   EL_CUSTOM_START + 164,
5013   EL_CUSTOM_START + 165,
5014   EL_CUSTOM_START + 166,
5015   EL_CUSTOM_START + 167,
5016
5017   EL_CUSTOM_START + 168,
5018   EL_CUSTOM_START + 169,
5019   EL_CUSTOM_START + 170,
5020   EL_CUSTOM_START + 171,
5021
5022   EL_CUSTOM_START + 172,
5023   EL_CUSTOM_START + 173,
5024   EL_CUSTOM_START + 174,
5025   EL_CUSTOM_START + 175,
5026
5027   EL_CUSTOM_START + 176,
5028   EL_CUSTOM_START + 177,
5029   EL_CUSTOM_START + 178,
5030   EL_CUSTOM_START + 179,
5031
5032   EL_CUSTOM_START + 180,
5033   EL_CUSTOM_START + 181,
5034   EL_CUSTOM_START + 182,
5035   EL_CUSTOM_START + 183,
5036
5037   EL_CUSTOM_START + 184,
5038   EL_CUSTOM_START + 185,
5039   EL_CUSTOM_START + 186,
5040   EL_CUSTOM_START + 187,
5041
5042   EL_CUSTOM_START + 188,
5043   EL_CUSTOM_START + 189,
5044   EL_CUSTOM_START + 190,
5045   EL_CUSTOM_START + 191,
5046
5047   EL_CUSTOM_START + 192,
5048   EL_CUSTOM_START + 193,
5049   EL_CUSTOM_START + 194,
5050   EL_CUSTOM_START + 195,
5051
5052   EL_CUSTOM_START + 196,
5053   EL_CUSTOM_START + 197,
5054   EL_CUSTOM_START + 198,
5055   EL_CUSTOM_START + 199,
5056
5057   EL_CUSTOM_START + 200,
5058   EL_CUSTOM_START + 201,
5059   EL_CUSTOM_START + 202,
5060   EL_CUSTOM_START + 203,
5061
5062   EL_CUSTOM_START + 204,
5063   EL_CUSTOM_START + 205,
5064   EL_CUSTOM_START + 206,
5065   EL_CUSTOM_START + 207,
5066
5067   EL_CUSTOM_START + 208,
5068   EL_CUSTOM_START + 209,
5069   EL_CUSTOM_START + 210,
5070   EL_CUSTOM_START + 211,
5071
5072   EL_CUSTOM_START + 212,
5073   EL_CUSTOM_START + 213,
5074   EL_CUSTOM_START + 214,
5075   EL_CUSTOM_START + 215,
5076
5077   EL_CUSTOM_START + 216,
5078   EL_CUSTOM_START + 217,
5079   EL_CUSTOM_START + 218,
5080   EL_CUSTOM_START + 219,
5081
5082   EL_CUSTOM_START + 220,
5083   EL_CUSTOM_START + 221,
5084   EL_CUSTOM_START + 222,
5085   EL_CUSTOM_START + 223,
5086
5087   EL_CUSTOM_START + 224,
5088   EL_CUSTOM_START + 225,
5089   EL_CUSTOM_START + 226,
5090   EL_CUSTOM_START + 227,
5091
5092   EL_CUSTOM_START + 228,
5093   EL_CUSTOM_START + 229,
5094   EL_CUSTOM_START + 230,
5095   EL_CUSTOM_START + 231,
5096
5097   EL_CUSTOM_START + 232,
5098   EL_CUSTOM_START + 233,
5099   EL_CUSTOM_START + 234,
5100   EL_CUSTOM_START + 235,
5101
5102   EL_CUSTOM_START + 236,
5103   EL_CUSTOM_START + 237,
5104   EL_CUSTOM_START + 238,
5105   EL_CUSTOM_START + 239,
5106
5107   EL_CUSTOM_START + 240,
5108   EL_CUSTOM_START + 241,
5109   EL_CUSTOM_START + 242,
5110   EL_CUSTOM_START + 243,
5111
5112   EL_CUSTOM_START + 244,
5113   EL_CUSTOM_START + 245,
5114   EL_CUSTOM_START + 246,
5115   EL_CUSTOM_START + 247,
5116
5117   EL_CUSTOM_START + 248,
5118   EL_CUSTOM_START + 249,
5119   EL_CUSTOM_START + 250,
5120   EL_CUSTOM_START + 251,
5121
5122   EL_CUSTOM_START + 252,
5123   EL_CUSTOM_START + 253,
5124   EL_CUSTOM_START + 254,
5125   EL_CUSTOM_START + 255
5126 };
5127 static int *editor_hl_custom_ptr = editor_hl_custom;
5128 static int *editor_el_custom_ptr = editor_el_custom;
5129 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5130 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5131
5132 static int editor_hl_group[] =
5133 {
5134   EL_INTERNAL_CASCADE_GE_ACTIVE,
5135   EL_CHAR('G'),
5136   EL_CHAR('E'),
5137   EL_EMPTY,
5138 };
5139
5140 static int editor_el_group[] =
5141 {
5142   EL_GROUP_START + 0,
5143   EL_GROUP_START + 1,
5144   EL_GROUP_START + 2,
5145   EL_GROUP_START + 3,
5146
5147   EL_GROUP_START + 4,
5148   EL_GROUP_START + 5,
5149   EL_GROUP_START + 6,
5150   EL_GROUP_START + 7,
5151
5152   EL_GROUP_START + 8,
5153   EL_GROUP_START + 9,
5154   EL_GROUP_START + 10,
5155   EL_GROUP_START + 11,
5156
5157   EL_GROUP_START + 12,
5158   EL_GROUP_START + 13,
5159   EL_GROUP_START + 14,
5160   EL_GROUP_START + 15,
5161
5162   EL_GROUP_START + 16,
5163   EL_GROUP_START + 17,
5164   EL_GROUP_START + 18,
5165   EL_GROUP_START + 19,
5166
5167   EL_GROUP_START + 20,
5168   EL_GROUP_START + 21,
5169   EL_GROUP_START + 22,
5170   EL_GROUP_START + 23,
5171
5172   EL_GROUP_START + 24,
5173   EL_GROUP_START + 25,
5174   EL_GROUP_START + 26,
5175   EL_GROUP_START + 27,
5176
5177   EL_GROUP_START + 28,
5178   EL_GROUP_START + 29,
5179   EL_GROUP_START + 30,
5180   EL_GROUP_START + 31
5181 };
5182 static int *editor_hl_group_ptr = editor_hl_group;
5183 static int *editor_el_group_ptr = editor_el_group;
5184 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5185 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5186
5187 static int editor_hl_reference[] =
5188 {
5189   EL_INTERNAL_CASCADE_REF_ACTIVE,
5190   EL_CHAR('R'),
5191   EL_CHAR('E'),
5192   EL_CHAR('F')
5193 };
5194
5195 static int editor_el_reference[] =
5196 {
5197   EL_TRIGGER_PLAYER,
5198   EL_TRIGGER_ELEMENT,
5199   EL_TRIGGER_CE_VALUE,
5200   EL_TRIGGER_CE_SCORE,
5201
5202   EL_SELF,
5203   EL_ANY_ELEMENT,
5204   EL_CURRENT_CE_VALUE,
5205   EL_CURRENT_CE_SCORE,
5206
5207   EL_PREV_CE_8,
5208   EL_PREV_CE_7,
5209   EL_PREV_CE_6,
5210   EL_PREV_CE_5,
5211
5212   EL_PREV_CE_4,
5213   EL_PREV_CE_3,
5214   EL_PREV_CE_2,
5215   EL_PREV_CE_1,
5216
5217   EL_NEXT_CE_1,
5218   EL_NEXT_CE_2,
5219   EL_NEXT_CE_3,
5220   EL_NEXT_CE_4,
5221
5222   EL_NEXT_CE_5,
5223   EL_NEXT_CE_6,
5224   EL_NEXT_CE_7,
5225   EL_NEXT_CE_8,
5226 };
5227 static int *editor_hl_reference_ptr = editor_hl_reference;
5228 static int *editor_el_reference_ptr = editor_el_reference;
5229 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5230 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5231
5232 static int editor_hl_user_defined[] =
5233 {
5234   EL_INTERNAL_CASCADE_USER_ACTIVE,
5235   EL_CHAR('M'),
5236   EL_CHAR('Y'),
5237   EL_EMPTY,
5238 };
5239
5240 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5241 static int *editor_el_user_defined_ptr = NULL;
5242 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5243 static int num_editor_el_user_defined = 0;
5244
5245 static int editor_hl_dynamic[] =
5246 {
5247   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5248   EL_CHAR('U'),
5249   EL_CHAR('S'),
5250   EL_CHAR('E'),
5251 };
5252
5253 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5254 static int *editor_el_dynamic_ptr = NULL;
5255 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5256 static int num_editor_el_dynamic = 0;
5257
5258 static int editor_hl_empty[] = { EL_EMPTY };
5259 static int *editor_el_empty = NULL;     // dynamically allocated
5260
5261 static int *editor_hl_empty_ptr = editor_hl_empty;
5262 static int *editor_el_empty_ptr = NULL;
5263 static int num_editor_hl_empty = 0;
5264 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5265
5266 static boolean use_el_empty = FALSE;
5267
5268 static int *editor_elements = NULL;     // dynamically allocated
5269 static int num_editor_elements = 0;     // dynamically determined
5270
5271 static boolean setup_editor_cascade_never = FALSE;
5272
5273 static boolean setup_editor_el_players                  = TRUE;
5274 static boolean setup_editor_el_boulderdash              = TRUE;
5275 static boolean setup_editor_el_emerald_mine             = TRUE;
5276 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5277 static boolean setup_editor_el_more                     = TRUE;
5278 static boolean setup_editor_el_sokoban                  = TRUE;
5279 static boolean setup_editor_el_supaplex                 = TRUE;
5280 static boolean setup_editor_el_diamond_caves            = TRUE;
5281 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5282 static boolean setup_editor_el_mirror_magic             = TRUE;
5283 static boolean setup_editor_el_deflektor                = TRUE;
5284 static boolean setup_editor_el_chars                    = TRUE;
5285 static boolean setup_editor_el_steel_chars              = TRUE;
5286 static boolean setup_editor_el_custom                   = TRUE;
5287 static boolean setup_editor_el_user_defined             = TRUE;
5288 static boolean setup_editor_el_dynamic                  = TRUE;
5289
5290 static int editor_hl_unused[] = { EL_EMPTY };
5291 static int *editor_hl_unused_ptr = editor_hl_unused;
5292 static int num_editor_hl_unused = 0;
5293
5294 static struct
5295 {
5296   boolean *setup_value;
5297   boolean *setup_cascade_value;
5298
5299   int **headline_list;
5300   int *headline_list_size;
5301
5302   int **element_list;
5303   int *element_list_size;
5304
5305   boolean last_setup_value;
5306 }
5307 editor_elements_info[] =
5308 {
5309   {
5310     &setup_editor_el_players,
5311     &setup_editor_cascade_never,
5312     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5313     &editor_el_players_ptr,             &num_editor_el_players
5314   },
5315   {
5316     &setup_editor_el_boulderdash,
5317     &setup.editor_cascade.el_bd,
5318     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5319     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5320   },
5321   {
5322     &setup_editor_el_emerald_mine,
5323     &setup.editor_cascade.el_em,
5324     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5325     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5326   },
5327   {
5328     &setup_editor_el_emerald_mine_club,
5329     &setup.editor_cascade.el_emc,
5330     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5331     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5332   },
5333   {
5334     &setup_editor_el_more,
5335     &setup.editor_cascade.el_rnd,
5336     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5337     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5338   },
5339   {
5340     &setup_editor_el_sokoban,
5341     &setup.editor_cascade.el_sb,
5342     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5343     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5344   },
5345   {
5346     &setup_editor_el_supaplex,
5347     &setup.editor_cascade.el_sp,
5348     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5349     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5350   },
5351   {
5352     &setup_editor_el_diamond_caves,
5353     &setup.editor_cascade.el_dc,
5354     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5355     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5356   },
5357   {
5358     &setup_editor_el_dx_boulderdash,
5359     &setup.editor_cascade.el_dx,
5360     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5361     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5362   },
5363   {
5364     &setup_editor_el_mirror_magic,
5365     &setup.editor_cascade.el_mm,
5366     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5367     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5368   },
5369   {
5370     &setup_editor_el_deflektor,
5371     &setup.editor_cascade.el_df,
5372     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5373     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5374   },
5375   {
5376     &setup_editor_el_chars,
5377     &setup.editor_cascade.el_chars,
5378     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5379     &editor_el_chars_ptr,               &num_editor_el_chars
5380   },
5381   {
5382     &setup_editor_el_steel_chars,
5383     &setup.editor_cascade.el_steel_chars,
5384     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5385     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5386   },
5387   {
5388     &setup_editor_el_custom,
5389     &setup.editor_cascade.el_ce,
5390     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5391     &editor_el_custom_ptr,              &num_editor_el_custom
5392   },
5393   {
5394     &setup_editor_el_custom,
5395     &setup.editor_cascade.el_ge,
5396     &editor_hl_group_ptr,               &num_editor_hl_group,
5397     &editor_el_group_ptr,               &num_editor_el_group
5398   },
5399   {
5400     &setup_editor_el_custom,
5401     &setup.editor_cascade.el_ref,
5402     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5403     &editor_el_reference_ptr,           &num_editor_el_reference
5404   },
5405   {
5406     &setup_editor_el_user_defined,
5407     &setup.editor_cascade.el_user,
5408     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5409     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5410   },
5411   {
5412     &setup_editor_el_dynamic,
5413     &setup.editor_cascade.el_dynamic,
5414     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5415     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5416   },
5417   {
5418     &use_el_empty,
5419     &use_el_empty,
5420     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5421     &editor_el_empty_ptr,               &num_editor_el_empty,
5422   },
5423   {
5424     NULL,
5425     NULL,
5426     NULL,                               NULL,
5427     NULL,                               NULL
5428   }
5429 };
5430
5431
5432 // ----------------------------------------------------------------------------
5433 // functions
5434 // ----------------------------------------------------------------------------
5435
5436 static int getMaxInfoTextLength(void)
5437 {
5438   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5439 }
5440
5441 static int getTextWidthForGadget(char *text)
5442 {
5443   if (text == NULL)
5444     return 0;
5445
5446   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5447 }
5448
5449 static int getTextWidthForDrawingArea(char *text)
5450 {
5451   if (text == NULL)
5452     return 0;
5453
5454   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5455 }
5456
5457 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5458 {
5459   return (gi->x + gi->width + getTextWidthForGadget(text));
5460 }
5461
5462 static char *getElementInfoText(int element)
5463 {
5464   char *info_text = NULL;
5465
5466   if (element < MAX_NUM_ELEMENTS)
5467   {
5468     if (strlen(element_info[element].description) > 0)
5469       info_text = element_info[element].description;
5470     else if (element_info[element].custom_description != NULL)
5471       info_text = element_info[element].custom_description;
5472     else if (element_info[element].editor_description != NULL)
5473       info_text = element_info[element].editor_description;
5474   }
5475
5476   if (info_text == NULL)
5477     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5478
5479   return info_text;
5480 }
5481
5482 static char *getElementDescriptionFilenameExt(char *basename)
5483 {
5484   char *elements_subdir = "elements";
5485   static char *elements_subdir2 = NULL;
5486   static char *filename = NULL;
5487
5488   if (elements_subdir2 == NULL)
5489     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5490
5491   checked_free(filename);
5492
5493   // 1st try: look for element description in current level set directory
5494   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5495   if (fileExists(filename))
5496     return filename;
5497
5498   free(filename);
5499
5500   // 2nd try: look for element description in the game's base directory
5501   filename = getPath3(options.docs_directory, elements_subdir, basename);
5502   if (fileExists(filename))
5503     return filename;
5504
5505   return NULL;
5506 }
5507
5508 static char *getElementDescriptionFilename(int element)
5509 {
5510   char basename[MAX_FILENAME_LEN];
5511   char *filename;
5512
5513   // 1st try: look for element description file for exactly this element
5514   sprintf(basename, "%s.txt", element_info[element].token_name);
5515   filename = getElementDescriptionFilenameExt(basename);
5516   if (filename != NULL)
5517     return filename;
5518
5519   // 2nd try: look for element description file for this element's class
5520   sprintf(basename, "%s.txt", element_info[element].class_name);
5521   filename = getElementDescriptionFilenameExt(basename);
5522   if (filename != NULL)
5523     return filename;
5524
5525   return NULL;
5526 }
5527
5528 static boolean suppressBorderElement(void)
5529 {
5530   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5531           lev_fieldx <= MAX_ED_FIELDX &&
5532           lev_fieldy <= MAX_ED_FIELDY);
5533 }
5534
5535 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5536 {
5537   boolean element_found[NUM_FILE_ELEMENTS];
5538   int i, x, y;
5539
5540   // initialize list of used elements to "not used"
5541   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5542     element_found[i] = FALSE;
5543
5544   // find all elements used in current level
5545   for (y = 0; y < lev_fieldy; y++)
5546     for (x = 0; x < lev_fieldx; x++)
5547       if (Feld[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5548         element_found[Feld[x][y]] = TRUE;
5549
5550   *num_elements = 0;
5551
5552   // count number of elements used in current level
5553   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5554     if (element_found[i])
5555       (*num_elements)++;
5556
5557   // add space for up to 3 more elements for padding that may be needed
5558   *num_elements += 3;
5559
5560   // free memory for old list of elements, if needed
5561   checked_free(*elements);
5562
5563   // allocate memory for new list of elements
5564   *elements = checked_malloc(*num_elements * sizeof(int));
5565
5566   *num_elements = 0;
5567
5568   // add all elements used in current level (non-custom/group elements)
5569   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5570     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5571       (*elements)[(*num_elements)++] = i;
5572
5573   // add all elements used in current level (custom/group elements)
5574   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5575     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5576       (*elements)[(*num_elements)++] = i;
5577
5578   while (*num_elements % 4)     // pad with empty elements, if needed
5579     (*elements)[(*num_elements)++] = EL_EMPTY;
5580 }
5581
5582 static void ReinitializeElementList_EnableSections(void)
5583 {
5584   // default: enable all element sections
5585
5586   setup_editor_el_players               = TRUE;
5587   setup_editor_el_boulderdash           = TRUE;
5588   setup_editor_el_emerald_mine          = TRUE;
5589   setup_editor_el_emerald_mine_club     = TRUE;
5590   setup_editor_el_more                  = TRUE;
5591   setup_editor_el_sokoban               = TRUE;
5592   setup_editor_el_supaplex              = TRUE;
5593   setup_editor_el_diamond_caves         = TRUE;
5594   setup_editor_el_dx_boulderdash        = TRUE;
5595   setup_editor_el_mirror_magic          = TRUE;
5596   setup_editor_el_deflektor             = TRUE;
5597   setup_editor_el_chars                 = TRUE;
5598   setup_editor_el_steel_chars           = TRUE;
5599
5600   setup_editor_el_custom                = TRUE;
5601   setup_editor_el_user_defined          = TRUE;
5602   setup_editor_el_dynamic               = TRUE;
5603
5604   // now disable all element sections not to be displayed
5605
5606   if (!setup.editor.el_classic)
5607   {
5608     setup_editor_el_players             = FALSE;
5609     setup_editor_el_boulderdash         = FALSE;
5610     setup_editor_el_emerald_mine        = FALSE;
5611     setup_editor_el_emerald_mine_club   = FALSE;
5612     setup_editor_el_more                = FALSE;
5613     setup_editor_el_sokoban             = FALSE;
5614     setup_editor_el_supaplex            = FALSE;
5615     setup_editor_el_diamond_caves       = FALSE;
5616     setup_editor_el_dx_boulderdash      = FALSE;
5617     setup_editor_el_mirror_magic        = FALSE;
5618     setup_editor_el_deflektor           = FALSE;
5619     setup_editor_el_chars               = FALSE;
5620     setup_editor_el_steel_chars         = FALSE;
5621   }
5622
5623   if (!setup.editor.el_custom)
5624   {
5625     setup_editor_el_custom              = FALSE;
5626   }
5627
5628   if (!setup.editor.el_user_defined)
5629   {
5630     setup_editor_el_user_defined        = FALSE;
5631   }
5632
5633   if (!setup.editor.el_dynamic)
5634   {
5635     setup_editor_el_dynamic             = FALSE;
5636   }
5637
5638   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5639   {
5640     setup_editor_el_mirror_magic        = FALSE;
5641     setup_editor_el_deflektor           = FALSE;
5642   }
5643   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5644   {
5645     setup_editor_el_boulderdash         = FALSE;
5646     setup_editor_el_more                = FALSE;
5647     setup_editor_el_sokoban             = FALSE;
5648     setup_editor_el_supaplex            = FALSE;
5649     setup_editor_el_diamond_caves       = FALSE;
5650     setup_editor_el_dx_boulderdash      = FALSE;
5651     setup_editor_el_mirror_magic        = FALSE;
5652     setup_editor_el_deflektor           = FALSE;
5653     setup_editor_el_steel_chars         = FALSE;
5654
5655     setup_editor_el_custom              = FALSE;
5656   }
5657   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5658   {
5659     setup_editor_el_players             = FALSE;
5660     setup_editor_el_boulderdash         = FALSE;
5661     setup_editor_el_emerald_mine        = FALSE;
5662     setup_editor_el_emerald_mine_club   = FALSE;
5663     setup_editor_el_more                = FALSE;
5664     setup_editor_el_sokoban             = FALSE;
5665     setup_editor_el_diamond_caves       = FALSE;
5666     setup_editor_el_dx_boulderdash      = FALSE;
5667     setup_editor_el_mirror_magic        = FALSE;
5668     setup_editor_el_deflektor           = FALSE;
5669     setup_editor_el_chars               = FALSE;
5670     setup_editor_el_steel_chars         = FALSE;
5671
5672     setup_editor_el_custom              = FALSE;
5673   }
5674   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5675   {
5676     setup_editor_el_players             = FALSE;
5677     setup_editor_el_boulderdash         = FALSE;
5678     setup_editor_el_emerald_mine        = FALSE;
5679     setup_editor_el_emerald_mine_club   = FALSE;
5680     setup_editor_el_more                = FALSE;
5681     setup_editor_el_sokoban             = FALSE;
5682     setup_editor_el_supaplex            = FALSE;
5683     setup_editor_el_diamond_caves       = FALSE;
5684     setup_editor_el_dx_boulderdash      = FALSE;
5685     setup_editor_el_steel_chars         = FALSE;
5686
5687     setup_editor_el_custom              = FALSE;
5688   }
5689 }
5690
5691 static void ReinitializeElementList(void)
5692 {
5693   static boolean initialization_needed = TRUE;
5694   int pos = 0;
5695   int i, j;
5696
5697   ReinitializeElementList_EnableSections();
5698
5699   if (initialization_needed)
5700   {
5701     LoadSetup_EditorCascade();          // load last editor cascade state
5702
5703     // initialize editor cascade element from saved cascade state
5704     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5705     {
5706       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5707       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5708
5709       if (IS_EDITOR_CASCADE(*cascade_element))
5710         *cascade_element =
5711           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5712            EL_CASCADE_INACTIVE(*cascade_element));
5713     }
5714
5715     initialization_needed = FALSE;
5716   }
5717
5718   checked_free(editor_elements);
5719
5720   // reload optional user defined element list for each invocation of editor
5721   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5722                                    &num_editor_el_user_defined);
5723
5724   // initialize dynamic level element list for each invocation of editor
5725   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5726                                &num_editor_el_dynamic);
5727
5728   // initialize list of empty elements (used for padding, if needed)
5729   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5730     editor_el_empty[i] = EL_EMPTY;
5731
5732   // do some sanity checks for each element from element list
5733   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5734   {
5735     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5736     {
5737       int element = (*editor_elements_info[i].element_list)[j];
5738
5739       if (element >= NUM_FILE_ELEMENTS)
5740         Error(ERR_WARN, "editor element %d is runtime element", element);
5741
5742       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5743         Error(ERR_WARN, "no element description text for element %d", element);
5744     }
5745   }
5746
5747   num_editor_elements = 0;
5748   use_el_empty = FALSE;
5749
5750   // determine size of element list
5751   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5752   {
5753     boolean found_inactive_cascade = FALSE;
5754
5755     if (*editor_elements_info[i].setup_value)
5756     {
5757       if (setup.editor.el_headlines)
5758       {
5759         // required for correct padding of palette headline buttons
5760         if (*editor_elements_info[i].headline_list_size > 0)
5761           num_editor_elements += editor.palette.cols;
5762
5763         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5764         {
5765           int element = (*editor_elements_info[i].headline_list)[j];
5766
5767           if (IS_EDITOR_CASCADE_INACTIVE(element))
5768             found_inactive_cascade = TRUE;
5769         }
5770       }
5771
5772       if (found_inactive_cascade)
5773         continue;
5774
5775       // required for correct padding of palette element buttons
5776       int element_list_size = *editor_elements_info[i].element_list_size;
5777       int element_rows =
5778         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5779       int element_buttons = editor.palette.cols * element_rows;
5780
5781       num_editor_elements += element_buttons;
5782     }
5783   }
5784
5785   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5786   {
5787     // offer at least as many elements as element buttons exist
5788     use_el_empty = TRUE;
5789     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5790
5791     num_editor_elements += num_editor_el_empty;
5792   }
5793   else
5794   {
5795     num_editor_el_empty = 0;
5796   }
5797
5798   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5799
5800   // fill element list
5801   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5802   {
5803     boolean found_inactive_cascade = FALSE;
5804
5805     if (*editor_elements_info[i].setup_value)
5806     {
5807       if (setup.editor.el_headlines)
5808       {
5809         // required for correct padding of palette headline buttons
5810         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5811                              editor.palette.cols : 0);
5812
5813         for (j = 0; j < headline_size; j++)
5814         {
5815           // use empty elements for padding of palette headline buttons
5816           int element = (j < *editor_elements_info[i].headline_list_size ?
5817                          (*editor_elements_info[i].headline_list)[j] :
5818                          editor_el_empty[0]);
5819
5820           editor_elements[pos++] = element;
5821
5822           if (IS_EDITOR_CASCADE_INACTIVE(element))
5823             found_inactive_cascade = TRUE;
5824         }
5825       }
5826
5827       if (found_inactive_cascade)
5828         continue;
5829
5830       // required for correct padding of palette element buttons
5831       int element_list_size = *editor_elements_info[i].element_list_size;
5832       int element_rows =
5833         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5834       int element_buttons = editor.palette.cols * element_rows;
5835
5836       // copy all elements from element list
5837       for (j = 0; j < element_list_size; j++)
5838         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5839
5840       // use empty elements for padding of palette element buttons
5841       for (j = 0; j < element_buttons - element_list_size; j++)
5842         editor_elements[pos++] = editor_el_empty[0];
5843     }
5844   }
5845
5846   // (this function is also called before editor gadgets are initialized!)
5847   AdjustElementListScrollbar();
5848 }
5849
5850 void PrintEditorElementList(void)
5851 {
5852   boolean *stop = &setup_editor_el_user_defined;
5853   int i, j;
5854
5855   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5856   {
5857     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5858
5859     if (IS_EDITOR_CASCADE(cascade_element))
5860     {
5861       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5862       char *headline = element_info[cascade_element_show].editor_description;
5863
5864       PrintLineWithPrefix("# ", "-", 77);
5865       Print("# %s\n", headline);
5866       PrintLineWithPrefix("# ", "-", 77);
5867     }
5868
5869     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5870     {
5871       int element = (*editor_elements_info[i].headline_list)[j];
5872
5873       if (IS_EDITOR_CASCADE(element))
5874         element = EL_CHAR_MINUS;
5875
5876       Print("# %s\n", element_info[element].token_name);
5877     }
5878
5879     if (j > 0)
5880       Print("#\n");
5881
5882     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5883     {
5884       int element = (*editor_elements_info[i].element_list)[j];
5885
5886       Print("# %s\n", element_info[element].token_name);
5887     }
5888
5889     if (j > 0)
5890       Print("#\n");
5891   }
5892 }
5893
5894 static void ReinitializeElementListButtons(void)
5895 {
5896   static boolean last_setup_value_headlines = FALSE;
5897   static boolean initialization_needed = TRUE;
5898   int i;
5899
5900   if (!initialization_needed)   // check if editor element setup has changed
5901   {
5902     if (last_setup_value_headlines != setup.editor.el_headlines)
5903       initialization_needed = TRUE;
5904
5905     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5906       if (editor_elements_info[i].last_setup_value !=
5907           *editor_elements_info[i].setup_value)
5908         initialization_needed = TRUE;
5909   }
5910
5911   if (!initialization_needed)
5912     return;
5913
5914   FreeLevelEditorGadgets();
5915   CreateLevelEditorGadgets();
5916
5917   // store current setup values for next invocation of this function
5918   last_setup_value_headlines = setup.editor.el_headlines;
5919   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5920     editor_elements_info[i].last_setup_value =
5921       *editor_elements_info[i].setup_value;
5922
5923   initialization_needed = FALSE;
5924 }
5925
5926 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5927                               boolean input)
5928 {
5929   int border_graphic =
5930     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5931   struct GraphicInfo *g = &graphic_info[border_graphic];
5932   Bitmap *src_bitmap = g->bitmap;
5933   int src_x = g->src_x;
5934   int src_y = g->src_y;
5935   int border_size = g->border_size;
5936   int border_xpos = g->width  - border_size;
5937   int border_ypos = g->height - border_size;
5938   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5939   int i;
5940
5941   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5942              border_size, border_size,
5943              dest_x - border_size, dest_y - border_size);
5944   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5945              border_size, border_size,
5946              dest_x + width, dest_y - border_size);
5947   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5948              border_size, border_size,
5949              dest_x - border_size, dest_y + height);
5950   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5951              border_size, border_size,
5952              dest_x + width, dest_y + height);
5953
5954   for (i = 0; i < width / tilesize; i++)
5955   {
5956     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5957                tilesize, border_size,
5958                dest_x + i * tilesize, dest_y - border_size);
5959     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5960                tilesize, border_size,
5961                dest_x + i * tilesize, dest_y + height);
5962   }
5963
5964   for (i = 0; i < height / tilesize; i++)
5965   {
5966     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5967                border_size, tilesize,
5968                dest_x - border_size, dest_y + i * tilesize);
5969     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5970                border_size, tilesize,
5971                dest_x + width, dest_y + i * tilesize);
5972   }
5973
5974   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5975 }
5976
5977 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5978 {
5979   int xsize_tile = MAX(ed_tilesize, xsize);
5980   int ysize_tile = MAX(ed_tilesize, ysize);
5981   int xsize_full = xsize + 1;
5982   int ysize_full = ysize + 1;
5983   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5984   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5985   Pixel line_color = getTabulatorBarColor();
5986
5987   if (line_color == BLACK_PIXEL)                // black => transparent
5988     return;
5989
5990   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5991   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5992   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5993 }
5994
5995 static void DrawEditorLevelBorderLinesIfNeeded(void)
5996 {
5997   int xsize = lev_fieldx * ed_tilesize;
5998   int ysize = lev_fieldy * ed_tilesize;
5999   int line_size = getTabulatorBarHeight();
6000
6001   if (!suppressBorderElement())
6002     return;
6003
6004   // draw little border line around editable level playfield
6005
6006   if (xsize < SXSIZE)
6007     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6008
6009   if (ysize < SYSIZE)
6010     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6011
6012   if (xsize < SXSIZE && ysize < SYSIZE)
6013     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6014 }
6015
6016 static void DrawEditorElement(int x, int y, int element)
6017 {
6018   DrawSizedElement(x, y, element, ed_tilesize);
6019 }
6020
6021 static void DrawEditorElementThruMask(int x, int y, int element)
6022 {
6023   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6024 }
6025
6026 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6027 {
6028   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6029 }
6030
6031 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6032 {
6033   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6034   DrawEditorLevelBorderLinesIfNeeded();
6035 }
6036
6037 static void DrawDrawingArea(int id)
6038 {
6039   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6040   int x, y;
6041
6042   int *value = drawingarea_info[id].value;
6043   int area_xsize = drawingarea_info[id].area_xsize;
6044   int area_ysize = drawingarea_info[id].area_ysize;
6045   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6046
6047   for (x = 0; x < area_xsize; x++)
6048     for (y = 0; y < area_ysize; y++)
6049       DrawSizedGraphicExt(drawto,
6050                           gi->x + x * tilesize,
6051                           gi->y + y * tilesize,
6052                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6053 }
6054
6055 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6056 {
6057   int x, y;
6058   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6059   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6060
6061   BlitBitmap(drawto, drawto,
6062              SX + (dx == -1 ? ed_tilesize : 0),
6063              SY + (dy == -1 ? ed_tilesize : 0),
6064              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6065              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6066              SX + (dx == +1 ? ed_tilesize : 0),
6067              SY + (dy == +1 ? ed_tilesize : 0));
6068
6069   if (dx)
6070   {
6071     x = (dx == 1 ? 0 : ed_fieldx - 1);
6072     for (y = 0; y < ed_fieldy; y++)
6073       DrawEditorElementOrWall(x, y, from_x, from_y);
6074   }
6075   else if (dy)
6076   {
6077     y = (dy == 1 ? 0 : ed_fieldy - 1);
6078     for (x = 0; x < ed_fieldx; x++)
6079       DrawEditorElementOrWall(x, y, from_x, from_y);
6080   }
6081
6082   redraw_mask |= REDRAW_FIELD;
6083   BackToFront();
6084 }
6085
6086 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6087                                    int *x, int *y)
6088 {
6089   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6090 }
6091
6092 static void CreateControlButtons(void)
6093 {
6094   struct GadgetInfo *gi;
6095   int i;
6096
6097   // create toolbox buttons
6098   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6099   {
6100     int id = controlbutton_info[i].gadget_id;
6101     int type = controlbutton_info[i].gadget_type;
6102     int graphic = controlbutton_info[i].graphic;
6103     struct XYTileSize *pos = controlbutton_info[i].pos;
6104     struct GraphicInfo *gd = &graphic_info[graphic];
6105     Bitmap *deco_bitmap = NULL;
6106     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6107     int tile_size = 0, deco_shift = 0;
6108     boolean deco_masked = FALSE;
6109     int gd_x1 = gd->src_x;
6110     int gd_y1 = gd->src_y;
6111     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6112     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6113     int gd_x1a = gd->src_x + gd->active_xoffset;
6114     int gd_y1a = gd->src_y + gd->active_yoffset;
6115     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6116     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6117     int x = pos->x;
6118     int y = pos->y;
6119     unsigned int event_mask;
6120     int radio_button_nr = RADIO_NR_NONE;
6121     boolean checked = FALSE;
6122
6123     if (type == GD_TYPE_RADIO_BUTTON)
6124     {
6125       event_mask = GD_EVENT_PRESSED;
6126       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6127
6128       if (id == drawing_function)
6129         checked = TRUE;
6130     }
6131     else
6132     {
6133       if (id == GADGET_ID_WRAP_LEFT ||
6134           id == GADGET_ID_WRAP_RIGHT ||
6135           id == GADGET_ID_WRAP_UP ||
6136           id == GADGET_ID_WRAP_DOWN)
6137         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6138       else
6139         event_mask = GD_EVENT_RELEASED;
6140     }
6141
6142     if (id == GADGET_ID_PROPERTIES ||
6143         id == GADGET_ID_PALETTE)
6144     {
6145       x += DX;
6146       y += DY;
6147     }
6148     else if (id == GADGET_ID_ELEMENT_LEFT ||
6149              id == GADGET_ID_ELEMENT_MIDDLE ||
6150              id == GADGET_ID_ELEMENT_RIGHT)
6151     {
6152       x += DX;
6153       y += DY;
6154
6155       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6156                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6157                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6158
6159       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6160                                    editor.button.element_left.tile_size :
6161                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6162                                    editor.button.element_middle.tile_size :
6163                                    id == GADGET_ID_ELEMENT_RIGHT ?
6164                                    editor.button.element_right.tile_size : 0);
6165
6166       // make sure that decoration does not overlap gadget border
6167       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6168
6169       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6170
6171       deco_xpos = (gd->width  - tile_size) / 2;
6172       deco_ypos = (gd->height - tile_size) / 2;
6173       deco_shift = 1;
6174       deco_masked = gd->draw_masked;
6175     }
6176     else
6177     {
6178       x += EX;
6179       y += EY;
6180     }
6181
6182     gi = CreateGadget(GDI_CUSTOM_ID, id,
6183                       GDI_CUSTOM_TYPE_ID, i,
6184                       GDI_IMAGE_ID, graphic,
6185                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6186                       GDI_X, x,
6187                       GDI_Y, y,
6188                       GDI_WIDTH, gd->width,
6189                       GDI_HEIGHT, gd->height,
6190                       GDI_TYPE, type,
6191                       GDI_STATE, GD_BUTTON_UNPRESSED,
6192                       GDI_RADIO_NR, radio_button_nr,
6193                       GDI_CHECKED, checked,
6194                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6195                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6196                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6197                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6198                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6199                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6200                       GDI_DECORATION_SIZE, tile_size, tile_size,
6201                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6202                       GDI_DECORATION_MASKED, deco_masked,
6203                       GDI_EVENT_MASK, event_mask,
6204                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6205                       GDI_CALLBACK_ACTION, HandleControlButtons,
6206                       GDI_END);
6207
6208     if (gi == NULL)
6209       Error(ERR_EXIT, "cannot create gadget");
6210
6211     level_editor_gadget[id] = gi;
6212   }
6213
6214   // these values are not constant, but can change at runtime
6215   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6216   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6217   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6218   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6219   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6220   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6221   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6222   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6223   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6224   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6225   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6226   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6227
6228   // create buttons for scrolling of drawing area and element list
6229   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6230   {
6231     int id = scrollbutton_info[i].gadget_id;
6232     int graphic = scrollbutton_info[i].graphic;
6233     struct GraphicInfo *gd = &graphic_info[graphic];
6234     Bitmap *gd_bitmap = gd->bitmap;
6235     int gd_x1 = gd->src_x;
6236     int gd_y1 = gd->src_y;
6237     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6238     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6239     int width  = gd->width;
6240     int height = gd->height;
6241     int x = scrollbutton_pos[i].x;
6242     int y = scrollbutton_pos[i].y;
6243     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6244
6245     if (id == GADGET_ID_SCROLL_LIST_UP ||
6246         id == GADGET_ID_SCROLL_LIST_DOWN)
6247     {
6248       x += PX;
6249       y += PY;
6250     }
6251     else
6252     {
6253       x += SX;
6254       y += SY;
6255     }
6256
6257     gi = CreateGadget(GDI_CUSTOM_ID, id,
6258                       GDI_CUSTOM_TYPE_ID, i,
6259                       GDI_IMAGE_ID, graphic,
6260                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6261                       GDI_X, x,
6262                       GDI_Y, y,
6263                       GDI_WIDTH, width,
6264                       GDI_HEIGHT, height,
6265                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6266                       GDI_STATE, GD_BUTTON_UNPRESSED,
6267                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6268                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6269                       GDI_EVENT_MASK, event_mask,
6270                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6271                       GDI_CALLBACK_ACTION, HandleControlButtons,
6272                       GDI_END);
6273
6274     if (gi == NULL)
6275       Error(ERR_EXIT, "cannot create gadget");
6276
6277     level_editor_gadget[id] = gi;
6278   }
6279
6280   // create buttons for element list
6281   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6282   {
6283     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6284     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6285     struct GraphicInfo *gd = &graphic_info[graphic];
6286     Bitmap *gd_bitmap = gd->bitmap;
6287     Bitmap *deco_bitmap;
6288     int deco_x, deco_y, deco_xpos, deco_ypos;
6289     int gd_x1 = gd->src_x;
6290     int gd_y1 = gd->src_y;
6291     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6292     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6293     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6294     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6295     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6296     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6297     int element = editor_elements[i];
6298     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6299     unsigned int event_mask = GD_EVENT_RELEASED;
6300
6301     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6302
6303     deco_xpos = (gd->width  - tile_size) / 2;
6304     deco_ypos = (gd->height - tile_size) / 2;
6305
6306     gi = CreateGadget(GDI_CUSTOM_ID, id,
6307                       GDI_CUSTOM_TYPE_ID, i,
6308                       GDI_IMAGE_ID, graphic,
6309                       GDI_INFO_TEXT, getElementInfoText(element),
6310                       GDI_X, x,
6311                       GDI_Y, y,
6312                       GDI_WIDTH, gd->width,
6313                       GDI_HEIGHT, gd->height,
6314                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6315                       GDI_STATE, GD_BUTTON_UNPRESSED,
6316                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6317                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6318                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6319                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6320                       GDI_DECORATION_SIZE, tile_size, tile_size,
6321                       GDI_DECORATION_SHIFTING, 1, 1,
6322                       GDI_EVENT_MASK, event_mask,
6323                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6324                       GDI_CALLBACK_ACTION, HandleControlButtons,
6325                       GDI_END);
6326
6327     if (gi == NULL)
6328       Error(ERR_EXIT, "cannot create gadget");
6329
6330     level_editor_gadget[id] = gi;
6331   }
6332 }
6333
6334 static void CreateCounterButtons(void)
6335 {
6336   int max_infotext_len = getMaxInfoTextLength();
6337   int i;
6338
6339   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6340   {
6341     int j;
6342     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6343     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6344
6345     // determine horizontal position to the right of specified gadget
6346     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6347       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6348            ED_GADGET_TEXT_DISTANCE);
6349
6350     // determine horizontal offset for leading text
6351     if (counterbutton_info[i].text_left != NULL)
6352       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6353
6354     for (j = 0; j < 2; j++)
6355     {
6356       struct GadgetInfo *gi;
6357       int id = (j == 0 ?
6358                 counterbutton_info[i].gadget_id_down :
6359                 counterbutton_info[i].gadget_id_up);
6360       int graphic;
6361       struct GraphicInfo *gd;
6362       int gd_x1, gd_x2, gd_y1, gd_y2;
6363       unsigned int event_mask;
6364       char infotext[max_infotext_len + 1];
6365
6366       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6367
6368       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6369       {
6370         graphic = (j == 0 ?
6371                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6372                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6373
6374         event_mask |= GD_EVENT_RELEASED;
6375
6376         if (j == 0)
6377         {
6378           x = DX + editor.button.prev_level.x;
6379           y = DY + editor.button.prev_level.y;
6380         }
6381         else
6382         {
6383           x = DX + editor.button.next_level.x;
6384           y = DY + editor.button.next_level.y;
6385         }
6386       }
6387       else
6388       {
6389         graphic = (j == 0 ?
6390                    IMG_EDITOR_COUNTER_DOWN :
6391                    IMG_EDITOR_COUNTER_UP);
6392       }
6393
6394       gd = &graphic_info[graphic];
6395
6396       gd_x1 = gd->src_x;
6397       gd_y1 = gd->src_y;
6398       gd_x2 = gd->src_x + gd->pressed_xoffset;
6399       gd_y2 = gd->src_y + gd->pressed_yoffset;
6400
6401       sprintf(infotext, "%s counter value by 1, 5 or 10",
6402               (j == 0 ? "decrease" : "increase"));
6403
6404       gi = CreateGadget(GDI_CUSTOM_ID, id,
6405                         GDI_CUSTOM_TYPE_ID, i,
6406                         GDI_IMAGE_ID, graphic,
6407                         GDI_INFO_TEXT, infotext,
6408                         GDI_X, x,
6409                         GDI_Y, y,
6410                         GDI_WIDTH, gd->width,
6411                         GDI_HEIGHT, gd->height,
6412                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6413                         GDI_STATE, GD_BUTTON_UNPRESSED,
6414                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6415                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6416                         GDI_EVENT_MASK, event_mask,
6417                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6418                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6419                         GDI_END);
6420
6421       if (gi == NULL)
6422         Error(ERR_EXIT, "cannot create gadget");
6423
6424       level_editor_gadget[id] = gi;
6425       right_gadget_border[id] =
6426         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6427
6428       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6429
6430       if (j == 0)
6431       {
6432         int font_type = FONT_INPUT_1;
6433         int font_type_active = FONT_INPUT_1_ACTIVE;
6434
6435         id = counterbutton_info[i].gadget_id_text;
6436
6437         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6438
6439         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6440         {
6441           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6442
6443           font_type = FONT_LEVEL_NUMBER;
6444           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6445
6446           x = DX + editor.input.level_number.x;
6447           y = DY + editor.input.level_number.y;
6448         }
6449         else
6450         {
6451           graphic = IMG_EDITOR_COUNTER_INPUT;
6452         }
6453
6454         gd = &graphic_info[graphic];
6455
6456         gd_x1 = gd->src_x;
6457         gd_y1 = gd->src_y;
6458         gd_x2 = gd->src_x + gd->active_xoffset;
6459         gd_y2 = gd->src_y + gd->active_yoffset;
6460
6461         gi = CreateGadget(GDI_CUSTOM_ID, id,
6462                           GDI_CUSTOM_TYPE_ID, i,
6463                           GDI_IMAGE_ID, graphic,
6464                           GDI_INFO_TEXT, "enter counter value",
6465                           GDI_X, x,
6466                           GDI_Y, y,
6467                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6468                           GDI_NUMBER_VALUE, 0,
6469                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6470                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6471                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6472                           GDI_TEXT_FONT, font_type,
6473                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6474                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6475                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6476                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6477                           GDI_DESIGN_WIDTH, gd->width,
6478                           GDI_EVENT_MASK, event_mask,
6479                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6480                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6481                           GDI_END);
6482
6483         if (gi == NULL)
6484           Error(ERR_EXIT, "cannot create gadget");
6485
6486         level_editor_gadget[id] = gi;
6487         right_gadget_border[id] =
6488           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6489
6490         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6491       }
6492     }
6493   }
6494 }
6495
6496 static void CreateDrawingAreas(void)
6497 {
6498   int i;
6499
6500   // these values are not constant, but can change at runtime
6501   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6502   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6503
6504   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6505   {
6506     struct GadgetInfo *gi;
6507     unsigned int event_mask;
6508     int id = drawingarea_info[i].gadget_id;
6509     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6510     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6511     int area_xsize = drawingarea_info[i].area_xsize;
6512     int area_ysize = drawingarea_info[i].area_ysize;
6513     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6514                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6515
6516     event_mask =
6517       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6518       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6519
6520     // determine horizontal position to the right of specified gadget
6521     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6522       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6523            ED_DRAWINGAREA_TEXT_DISTANCE);
6524
6525     // determine horizontal offset for leading text
6526     if (drawingarea_info[i].text_left != NULL)
6527       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6528
6529     gi = CreateGadget(GDI_CUSTOM_ID, id,
6530                       GDI_CUSTOM_TYPE_ID, i,
6531                       GDI_X, x,
6532                       GDI_Y, y,
6533                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6534                       GDI_AREA_SIZE, area_xsize, area_ysize,
6535                       GDI_ITEM_SIZE, item_size, item_size,
6536                       GDI_EVENT_MASK, event_mask,
6537                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6538                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6539                       GDI_END);
6540
6541     if (gi == NULL)
6542       Error(ERR_EXIT, "cannot create gadget");
6543
6544     level_editor_gadget[id] = gi;
6545     right_gadget_border[id] =
6546       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6547   }
6548 }
6549
6550 static void CreateTextInputGadgets(void)
6551 {
6552   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6553   int max_infotext_len = getMaxInfoTextLength();
6554   int i;
6555
6556   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6557   {
6558     int gd_x1 = gd->src_x;
6559     int gd_y1 = gd->src_y;
6560     int gd_x2 = gd->src_x + gd->active_xoffset;
6561     int gd_y2 = gd->src_y + gd->active_yoffset;
6562     struct GadgetInfo *gi;
6563     unsigned int event_mask;
6564     char infotext[MAX_OUTPUT_LINESIZE + 1];
6565     int id = textinput_info[i].gadget_id;
6566     int x, y;
6567
6568     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6569     {
6570       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6571       int border_size = gd->border_size;
6572       int font_nr = FONT_INPUT_1;
6573       int font_height = getFontHeight(font_nr);
6574       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6575       int yoffset = element_border + (TILEY - font_height) / 2;
6576
6577       x = (editor.settings.element_name.x != -1 ?
6578            editor.settings.element_name.x :
6579            editor.settings.element_graphic.x + xoffset) - border_size;
6580       y = (editor.settings.element_name.y != -1 ?
6581            editor.settings.element_name.y :
6582            editor.settings.element_graphic.y + yoffset) - border_size;
6583     }
6584     else
6585     {
6586       x = ED_SETTINGS_X(textinput_info[i].x);
6587       y = ED_SETTINGS_Y(textinput_info[i].y);
6588     }
6589
6590     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6591
6592     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6593     infotext[max_infotext_len] = '\0';
6594
6595     gi = CreateGadget(GDI_CUSTOM_ID, id,
6596                       GDI_CUSTOM_TYPE_ID, i,
6597                       GDI_INFO_TEXT, infotext,
6598                       GDI_X, SX + x,
6599                       GDI_Y, SY + y,
6600                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6601                       GDI_TEXT_VALUE, textinput_info[i].value,
6602                       GDI_TEXT_SIZE, textinput_info[i].size,
6603                       GDI_TEXT_FONT, FONT_INPUT_1,
6604                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6605                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6606                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6607                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6608                       GDI_DESIGN_WIDTH, gd->width,
6609                       GDI_EVENT_MASK, event_mask,
6610                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6611                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6612                       GDI_END);
6613
6614     if (gi == NULL)
6615       Error(ERR_EXIT, "cannot create gadget");
6616
6617     level_editor_gadget[id] = gi;
6618   }
6619 }
6620
6621 static void CreateTextAreaGadgets(void)
6622 {
6623   int max_infotext_len = getMaxInfoTextLength();
6624   int i;
6625
6626   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6627   {
6628     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6629     int gd_x1 = gd->src_x;
6630     int gd_y1 = gd->src_y;
6631     int gd_x2 = gd->src_x + gd->active_xoffset;
6632     int gd_y2 = gd->src_y + gd->active_yoffset;
6633     struct GadgetInfo *gi;
6634     unsigned int event_mask;
6635     char infotext[MAX_OUTPUT_LINESIZE + 1];
6636     int id = textarea_info[i].gadget_id;
6637     int area_xsize = textarea_info[i].xsize;
6638     int area_ysize = textarea_info[i].ysize;
6639
6640     event_mask = GD_EVENT_TEXT_LEAVING;
6641
6642     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6643     infotext[max_infotext_len] = '\0';
6644
6645     gi = CreateGadget(GDI_CUSTOM_ID, id,
6646                       GDI_CUSTOM_TYPE_ID, i,
6647                       GDI_INFO_TEXT, infotext,
6648                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6649                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6650                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6651                       GDI_AREA_SIZE, area_xsize, area_ysize,
6652                       GDI_TEXT_FONT, FONT_INPUT_1,
6653                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6654                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6655                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6656                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6657                       GDI_DESIGN_WIDTH, gd->width,
6658                       GDI_EVENT_MASK, event_mask,
6659                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6660                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6661                       GDI_END);
6662
6663     if (gi == NULL)
6664       Error(ERR_EXIT, "cannot create gadget");
6665
6666     level_editor_gadget[id] = gi;
6667   }
6668 }
6669
6670 static void CreateSelectboxGadgets(void)
6671 {
6672   int max_infotext_len = getMaxInfoTextLength();
6673   int i, j;
6674
6675   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6676   {
6677     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6678     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6679     int gd_x1 = gd->src_x;
6680     int gd_y1 = gd->src_y;
6681     int gd_x2 = gd->src_x + gd->active_xoffset;
6682     int gd_y2 = gd->src_y + gd->active_yoffset;
6683     int selectbox_button_xsize = gd2->width;
6684     struct GadgetInfo *gi;
6685     unsigned int event_mask;
6686     char infotext[MAX_OUTPUT_LINESIZE + 1];
6687     int id = selectbox_info[i].gadget_id;
6688     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6689     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6690
6691     if (selectbox_info[i].size == -1)   // dynamically determine size
6692     {
6693       // (we cannot use -1 for uninitialized values if we directly compare
6694       // with results from strlen(), because the '<' and '>' operation will
6695       // implicitely cast -1 to an unsigned integer value!)
6696       selectbox_info[i].size = 0;
6697
6698       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6699         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6700           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6701
6702       selectbox_info[i].size++;         // add one character empty space
6703     }
6704
6705     event_mask = GD_EVENT_RELEASED |
6706       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6707
6708     // determine horizontal position to the right of specified gadget
6709     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6710       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6711            ED_GADGET_TEXT_DISTANCE);
6712
6713     // determine horizontal offset for leading text
6714     if (selectbox_info[i].text_left != NULL)
6715       x += getTextWidthForGadget(selectbox_info[i].text_left);
6716
6717     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6718     infotext[max_infotext_len] = '\0';
6719
6720     gi = CreateGadget(GDI_CUSTOM_ID, id,
6721                       GDI_CUSTOM_TYPE_ID, i,
6722                       GDI_INFO_TEXT, infotext,
6723                       GDI_X, x,
6724                       GDI_Y, y,
6725                       GDI_TYPE, GD_TYPE_SELECTBOX,
6726                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6727                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6728                       GDI_TEXT_SIZE, selectbox_info[i].size,
6729                       GDI_TEXT_FONT, FONT_INPUT_1,
6730                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6731                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6732                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6733                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6734                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6735                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6736                       GDI_DESIGN_WIDTH, gd->width,
6737                       GDI_EVENT_MASK, event_mask,
6738                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6739                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6740                       GDI_END);
6741
6742     if (gi == NULL)
6743       Error(ERR_EXIT, "cannot create gadget");
6744
6745     level_editor_gadget[id] = gi;
6746     right_gadget_border[id] =
6747       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6748   }
6749 }
6750
6751 static void CreateTextbuttonGadgets(void)
6752 {
6753   int max_infotext_len = getMaxInfoTextLength();
6754   int i;
6755
6756   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6757   {
6758     int id = textbutton_info[i].gadget_id;
6759     int is_tab_button =
6760       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6761        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6762     int graphic =
6763       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6764     int gadget_distance =
6765       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6766     struct GraphicInfo *gd = &graphic_info[graphic];
6767     int gd_x1 = gd->src_x;
6768     int gd_y1 = gd->src_y;
6769     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6770     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6771     int gd_x1a = gd->src_x + gd->active_xoffset;
6772     int gd_y1a = gd->src_y + gd->active_yoffset;
6773     int border_xsize = gd->border_size + gd->draw_xoffset;
6774     int border_ysize = gd->border_size;
6775     struct GadgetInfo *gi;
6776     unsigned int event_mask;
6777     char infotext[MAX_OUTPUT_LINESIZE + 1];
6778     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6779     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6780
6781     if (textbutton_info[i].size == -1)  // dynamically determine size
6782       textbutton_info[i].size = strlen(textbutton_info[i].text);
6783
6784     event_mask = GD_EVENT_RELEASED;
6785
6786     sprintf(infotext, "%s", textbutton_info[i].infotext);
6787     infotext[max_infotext_len] = '\0';
6788
6789     // determine horizontal position to the right of specified gadget
6790     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6791     {
6792       int gadget_id_align = textbutton_info[i].gadget_id_align;
6793
6794       x = right_gadget_border[gadget_id_align] + gadget_distance;
6795
6796       if (textbutton_info[i].y == -1)
6797         y = level_editor_gadget[gadget_id_align]->y;
6798     }
6799
6800     // determine horizontal offset for leading text
6801     if (textbutton_info[i].text_left != NULL)
6802       x += getTextWidthForGadget(textbutton_info[i].text_left);
6803
6804     gi = CreateGadget(GDI_CUSTOM_ID, id,
6805                       GDI_CUSTOM_TYPE_ID, i,
6806                       GDI_IMAGE_ID, graphic,
6807                       GDI_INFO_TEXT, infotext,
6808                       GDI_X, x,
6809                       GDI_Y, y,
6810                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6811                       GDI_TEXT_VALUE, textbutton_info[i].text,
6812                       GDI_TEXT_SIZE, textbutton_info[i].size,
6813                       GDI_TEXT_FONT, FONT_INPUT_2,
6814                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6815                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6816                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6817                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6818                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6819                       GDI_DESIGN_WIDTH, gd->width,
6820                       GDI_DECORATION_SHIFTING, 1, 1,
6821                       GDI_EVENT_MASK, event_mask,
6822                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6823                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6824                       GDI_END);
6825
6826     if (gi == NULL)
6827       Error(ERR_EXIT, "cannot create gadget");
6828
6829     level_editor_gadget[id] = gi;
6830     right_gadget_border[id] =
6831       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6832   }
6833 }
6834
6835 static void CreateGraphicbuttonGadgets(void)
6836 {
6837   struct GadgetInfo *gi;
6838   unsigned int event_mask;
6839   int i;
6840
6841   // create buttons for scrolling of drawing area and element list
6842   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6843   {
6844     int id = graphicbutton_info[i].gadget_id;
6845     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6846     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6847     int graphic = graphicbutton_info[i].graphic;
6848     struct GraphicInfo *gd = &graphic_info[graphic];
6849     int gd_x1 = gd->src_x;
6850     int gd_y1 = gd->src_y;
6851     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6852     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6853
6854     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6855
6856     // determine horizontal position to the right of specified gadget
6857     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6858       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6859            ED_GADGET_TEXT_DISTANCE);
6860
6861     // determine horizontal offset for leading text
6862     if (graphicbutton_info[i].text_left != NULL)
6863       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6864
6865     gi = CreateGadget(GDI_CUSTOM_ID, id,
6866                       GDI_CUSTOM_TYPE_ID, i,
6867                       GDI_IMAGE_ID, graphic,
6868                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6869                       GDI_X, x,
6870                       GDI_Y, y,
6871                       GDI_WIDTH, gd->width,
6872                       GDI_HEIGHT, gd->height,
6873                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6874                       GDI_STATE, GD_BUTTON_UNPRESSED,
6875                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6876                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6877                       GDI_EVENT_MASK, event_mask,
6878                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6879                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6880                       GDI_END);
6881
6882     if (gi == NULL)
6883       Error(ERR_EXIT, "cannot create gadget");
6884
6885     level_editor_gadget[id] = gi;
6886     right_gadget_border[id] =
6887       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6888   }
6889 }
6890
6891 static void CreateScrollbarGadgets(void)
6892 {
6893   int i;
6894
6895   // these values are not constant, but can change at runtime
6896   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6897     SX + ED_SCROLL_HORIZONTAL_XPOS;
6898   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6899     SY + ED_SCROLL_HORIZONTAL_YPOS;
6900   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6901     ED_SCROLL_HORIZONTAL_XSIZE;
6902   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6903     ED_SCROLL_HORIZONTAL_YSIZE;
6904   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6905   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6906   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6907   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6908
6909   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6910     SX + ED_SCROLL_VERTICAL_XPOS;
6911   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6912     SY + ED_SCROLL_VERTICAL_YPOS;
6913   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6914     ED_SCROLL_VERTICAL_XSIZE;
6915   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6916     ED_SCROLL_VERTICAL_YSIZE;
6917   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6918   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6919   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6920   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6921
6922   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6923     PX + ED_SCROLL2_VERTICAL_XPOS;
6924   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6925     PY + ED_SCROLL2_VERTICAL_YPOS;
6926   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6927     ED_SCROLL2_VERTICAL_XSIZE;
6928   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6929     ED_SCROLL2_VERTICAL_YSIZE;
6930   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6931   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6932   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6933   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6934
6935   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6936   {
6937     int id = scrollbar_info[i].gadget_id;
6938     int graphic = scrollbar_info[i].graphic;
6939     struct GraphicInfo *gd = &graphic_info[graphic];
6940     int gd_x1 = gd->src_x;
6941     int gd_y1 = gd->src_y;
6942     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6943     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6944     struct GadgetInfo *gi;
6945     int items_max, items_visible, item_position;
6946     unsigned int event_mask;
6947
6948     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6949     {
6950       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6951       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6952       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6953     }
6954     else        // drawing area scrollbars
6955     {
6956       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6957       {
6958         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6959         items_visible = ed_fieldx;
6960         item_position = 0;
6961       }
6962       else
6963       {
6964         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6965         items_visible = ed_fieldy;
6966         item_position = 0;
6967       }
6968     }
6969
6970     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6971
6972     gi = CreateGadget(GDI_CUSTOM_ID, id,
6973                       GDI_CUSTOM_TYPE_ID, i,
6974                       GDI_IMAGE_ID, graphic,
6975                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6976                       GDI_X, scrollbar_pos[i].x,
6977                       GDI_Y, scrollbar_pos[i].y,
6978                       GDI_WIDTH, scrollbar_pos[i].width,
6979                       GDI_HEIGHT, scrollbar_pos[i].height,
6980                       GDI_TYPE, scrollbar_info[i].type,
6981                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6982                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6983                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6984                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6985                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6986                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6987                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6988                       GDI_STATE, GD_BUTTON_UNPRESSED,
6989                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6990                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6991                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6992                       GDI_EVENT_MASK, event_mask,
6993                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6994                       GDI_CALLBACK_ACTION, HandleControlButtons,
6995                       GDI_END);
6996
6997     if (gi == NULL)
6998       Error(ERR_EXIT, "cannot create gadget");
6999
7000     level_editor_gadget[id] = gi;
7001   }
7002 }
7003
7004 static void CreateCheckbuttonGadgets(void)
7005 {
7006   struct GadgetInfo *gi;
7007   unsigned int event_mask;
7008   int i;
7009
7010   event_mask = GD_EVENT_PRESSED;
7011
7012   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7013   {
7014     int id = checkbutton_info[i].gadget_id;
7015     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7016                    IMG_EDITOR_CHECKBOX);
7017     struct GraphicInfo *gd = &graphic_info[graphic];
7018     int gd_x1 = gd->src_x;
7019     int gd_y1 = gd->src_y;
7020     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7021     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7022     int gd_x1a = gd->src_x + gd->active_xoffset;
7023     int gd_y1a = gd->src_y + gd->active_yoffset;
7024     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7025     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7026     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7027     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7028
7029     // determine horizontal position to the right of specified gadget
7030     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7031       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7032            ED_GADGET_TEXT_DISTANCE);
7033
7034     // determine horizontal offset for leading text
7035     if (checkbutton_info[i].text_left != NULL)
7036       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7037
7038     gi = CreateGadget(GDI_CUSTOM_ID, id,
7039                       GDI_CUSTOM_TYPE_ID, i,
7040                       GDI_IMAGE_ID, graphic,
7041                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7042                       GDI_X, x,
7043                       GDI_Y, y,
7044                       GDI_WIDTH, gd->width,
7045                       GDI_HEIGHT, gd->height,
7046                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7047                       GDI_CHECKED, *checkbutton_info[i].value,
7048                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7049                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7050                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7051                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7052                       GDI_EVENT_MASK, event_mask,
7053                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7054                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7055                       GDI_END);
7056
7057     if (gi == NULL)
7058       Error(ERR_EXIT, "cannot create gadget");
7059
7060     level_editor_gadget[id] = gi;
7061     right_gadget_border[id] =
7062       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7063   }
7064 }
7065
7066 static void CreateRadiobuttonGadgets(void)
7067 {
7068   int graphic = IMG_EDITOR_RADIOBUTTON;
7069   struct GraphicInfo *gd = &graphic_info[graphic];
7070   int gd_x1 = gd->src_x;
7071   int gd_y1 = gd->src_y;
7072   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7073   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7074   int gd_x1a = gd->src_x + gd->active_xoffset;
7075   int gd_y1a = gd->src_y + gd->active_yoffset;
7076   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7077   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7078   struct GadgetInfo *gi;
7079   unsigned int event_mask;
7080   int i;
7081
7082   event_mask = GD_EVENT_PRESSED;
7083
7084   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7085   {
7086     int id = radiobutton_info[i].gadget_id;
7087     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7088     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7089
7090     int checked =
7091       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7092
7093     // determine horizontal position to the right of specified gadget
7094     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7095       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7096            ED_GADGET_TEXT_DISTANCE);
7097
7098     // determine horizontal offset for leading text
7099     if (radiobutton_info[i].text_left != NULL)
7100       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7101
7102     gi = CreateGadget(GDI_CUSTOM_ID, id,
7103                       GDI_CUSTOM_TYPE_ID, i,
7104                       GDI_IMAGE_ID, graphic,
7105                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7106                       GDI_X, x,
7107                       GDI_Y, y,
7108                       GDI_WIDTH, gd->width,
7109                       GDI_HEIGHT, gd->height,
7110                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7111                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7112                       GDI_CHECKED, checked,
7113                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7114                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7115                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7116                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7117                       GDI_EVENT_MASK, event_mask,
7118                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7119                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7120                       GDI_END);
7121
7122     if (gi == NULL)
7123       Error(ERR_EXIT, "cannot create gadget");
7124
7125     level_editor_gadget[id] = gi;
7126     right_gadget_border[id] =
7127       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7128   }
7129 }
7130
7131 void CreateLevelEditorGadgets(void)
7132 {
7133   // force EDITOR font inside level editor
7134   SetFontStatus(GAME_MODE_EDITOR);
7135
7136   // these values are not constant, but can change at runtime
7137   ed_fieldx = MAX_ED_FIELDX - 1;
7138   ed_fieldy = MAX_ED_FIELDY - 1;
7139
7140   num_editor_gadgets = NUM_EDITOR_GADGETS;
7141
7142   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7143
7144   level_editor_gadget =
7145     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7146   right_gadget_border =
7147     checked_calloc(num_editor_gadgets * sizeof(int));
7148
7149   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7150   editor_el_empty_ptr = editor_el_empty;
7151
7152   use_permanent_palette = !editor.palette.show_as_separate_screen;
7153
7154   ReinitializeElementList();
7155
7156   CreateControlButtons();
7157   CreateScrollbarGadgets();
7158
7159   // order of function calls is important because of cross-references
7160   CreateCheckbuttonGadgets();
7161   CreateCounterButtons();
7162   CreateRadiobuttonGadgets();
7163   CreateTextInputGadgets();
7164   CreateTextAreaGadgets();
7165   CreateSelectboxGadgets();
7166   CreateGraphicbuttonGadgets();
7167   CreateTextbuttonGadgets();
7168   CreateDrawingAreas();
7169
7170   ResetFontStatus();
7171 }
7172
7173 void FreeLevelEditorGadgets(void)
7174 {
7175   int i;
7176
7177   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7178
7179   for (i = 0; i < num_editor_gadgets; i++)
7180   {
7181     FreeGadget(level_editor_gadget[i]);
7182
7183     level_editor_gadget[i] = NULL;
7184   }
7185
7186   checked_free(level_editor_gadget);
7187   checked_free(right_gadget_border);
7188
7189   checked_free(editor_el_empty);
7190 }
7191
7192 static void MapCounterButtons(int id)
7193 {
7194   int font_nr = FONT_TEXT_1;
7195   int font_height = getFontHeight(font_nr);
7196   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7197   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7198   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7199   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7200   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7201   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7202   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7203   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7204   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7205   int yoffset = (gi_down->height - font_height) / 2;
7206   int x_left = gi_down->x - xoffset_left;
7207   int x_right;  // set after gadget position was modified
7208   int y_above = gi_down->y - yoffset_above;
7209   int x = gi_down->x;
7210   int y;        // set after gadget position was modified
7211
7212   // counter limits must be changed first to prevent value truncation
7213   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7214                             counterbutton_info[id].max_value);
7215
7216   // right text position might have changed after setting position above
7217   x_right = gi_up->x + gi_up->width + xoffset_right;
7218
7219   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7220
7221   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7222   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7223       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7224   {
7225     ModifyGadget(gi_down, GDI_Y,
7226                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7227     ModifyGadget(gi_text, GDI_Y,
7228                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7229     ModifyGadget(gi_up,   GDI_Y,
7230                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7231   }
7232
7233   // vertical position might have changed after setting position above
7234   y = gi_up->y + yoffset;
7235
7236   if (counterbutton_info[id].text_above)
7237     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7238
7239   if (counterbutton_info[id].text_left)
7240     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7241
7242   if (counterbutton_info[id].text_right)
7243     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7244
7245   MapGadget(gi_down);
7246   MapGadget(gi_text);
7247   MapGadget(gi_up);
7248 }
7249
7250 static void MapControlButtons(void)
7251 {
7252   int counter_id;
7253   int i;
7254
7255   // map toolbox buttons (excluding special CE toolbox buttons)
7256   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7257     MapGadget(level_editor_gadget[i]);
7258
7259   // map toolbox buttons (element properties buttons)
7260   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7261     MapGadget(level_editor_gadget[i]);
7262
7263   if (use_permanent_palette)
7264   {
7265     // map buttons to select elements
7266     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7267       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7268     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7269     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7270     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7271   }
7272
7273   // map buttons to select level
7274   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7275   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7276   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7277   MapCounterButtons(counter_id);
7278 }
7279
7280 static void MapDrawingArea(int id)
7281 {
7282   int font_nr = FONT_TEXT_1;
7283   int font_height = getFontHeight(font_nr);
7284   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7285   int area_xsize = gi->drawing.area_xsize;
7286   int area_ysize = gi->drawing.area_ysize;
7287   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7288   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7289   int x_left  = gi->x - xoffset_left;
7290   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7291   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7292   int y_side  = gi->y + (gi->height - font_height) / 2;
7293   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7294
7295   if (drawingarea_info[id].text_left)
7296     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7297
7298   if (drawingarea_info[id].text_right)
7299     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7300
7301   if (drawingarea_info[id].text_below)
7302     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7303
7304   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7305   {
7306     DrawElementBorder(gi->x, gi->y,
7307                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7308                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7309
7310     DrawDrawingArea(id);
7311   }
7312
7313   MapGadget(gi);
7314 }
7315
7316 static void MapTextInputGadget(int id)
7317 {
7318   int font_nr = FONT_TEXT_1;
7319   int font_height = getFontHeight(font_nr);
7320   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7321   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7322   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7323   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7324
7325   if (textinput_info[id].text_above)
7326     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7327
7328   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7329
7330   MapGadget(gi);
7331 }
7332
7333 static void MapTextAreaGadget(int id)
7334 {
7335   int font_nr = FONT_TEXT_1;
7336   int font_height = getFontHeight(font_nr);
7337   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7338   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7339   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7340   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7341
7342   if (textarea_info[id].text_above)
7343     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7344
7345   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7346
7347   MapGadget(gi);
7348 }
7349
7350 static void MapSelectboxGadget(int id)
7351 {
7352   int font_nr = FONT_TEXT_1;
7353   int font_height = getFontHeight(font_nr);
7354   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7355   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7356   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7357   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7358   int yoffset = (gi->height - font_height) / 2;
7359   int x_left = gi->x - xoffset_left;
7360   int x_right = gi->x + gi->width + xoffset_right;
7361   int y_above = gi->y - yoffset_above;
7362   int x = gi->x;
7363   int y = gi->y + yoffset;
7364
7365   if (selectbox_info[id].text_above)
7366     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7367
7368   if (selectbox_info[id].text_left)
7369     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7370
7371   if (selectbox_info[id].text_right)
7372     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7373
7374   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7375
7376   MapGadget(gi);
7377 }
7378
7379 static void MapTextbuttonGadget(int id)
7380 {
7381   int font_nr = FONT_TEXT_1;
7382   int font_height = getFontHeight(font_nr);
7383   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7384   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7385   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7386   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7387   int yoffset = (gi->height - font_height) / 2;
7388   int x_left = gi->x - xoffset_left;
7389   int x_right = gi->x + gi->width + xoffset_right;
7390   int y_above = gi->y - yoffset_above;
7391   int x = gi->x;
7392   int y = gi->y + yoffset;
7393
7394   // only show button to delete change pages when more than minimum pages
7395   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7396       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7397     return;
7398
7399   if (textbutton_info[id].text_above)
7400     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7401
7402   if (textbutton_info[id].text_left)
7403     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7404
7405   if (textbutton_info[id].text_right)
7406     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7407
7408   MapGadget(gi);
7409 }
7410
7411 static void MapGraphicbuttonGadget(int id)
7412 {
7413   int font_nr = FONT_TEXT_1;
7414   int font_height = getFontHeight(font_nr);
7415   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7416   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7417   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7418   int yoffset = (gi->height - font_height) / 2;
7419   int x_left = gi->x - xoffset_left;
7420   int x_right = gi->x + gi->width + xoffset_right;
7421   int y = gi->y + yoffset;
7422
7423   if (graphicbutton_info[id].text_left)
7424     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7425
7426   if (graphicbutton_info[id].text_right)
7427     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7428
7429   MapGadget(gi);
7430 }
7431
7432 static void MapRadiobuttonGadget(int id)
7433 {
7434   int font_nr = FONT_TEXT_1;
7435   int font_height = getFontHeight(font_nr);
7436   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7437   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7438   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7439   int yoffset = (gi->height - font_height) / 2;
7440   int x_left = gi->x - xoffset_left;
7441   int x_right = gi->x + gi->width + xoffset_right;
7442   int y = gi->y + yoffset;
7443   boolean checked =
7444     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7445
7446   if (radiobutton_info[id].text_left)
7447     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7448
7449   if (radiobutton_info[id].text_right)
7450     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7451
7452   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7453
7454   MapGadget(gi);
7455 }
7456
7457 static void MapCheckbuttonGadget(int id)
7458 {
7459   int font_nr = FONT_TEXT_1;
7460   int font_height = getFontHeight(font_nr);
7461   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7462   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7463   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7464   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7465   int yoffset = (gi->height - font_height) / 2;
7466   int y_above = gi->y - yoffset_above;
7467   int x = gi->x;
7468   int x_left, x_right, y;       // set after gadget position was modified
7469
7470   // set position for gadgets with dynamically determined position
7471   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7472     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7473   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7474
7475   x_left = gi->x - xoffset_left;
7476   x_right = gi->x + gi->width + xoffset_right;
7477   y = gi->y + yoffset;
7478
7479   if (checkbutton_info[id].text_above)
7480     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7481
7482   if (checkbutton_info[id].text_left)
7483     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7484
7485   if (checkbutton_info[id].text_right)
7486     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7487
7488   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7489
7490   MapGadget(gi);
7491 }
7492
7493 static void MapMainDrawingArea(void)
7494 {
7495   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7496   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7497   int i;
7498
7499   if (suppressBorderElement())
7500   {
7501     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7502     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7503   }
7504
7505   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7506   {
7507     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7508           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7509          no_horizontal_scrollbar) ||
7510         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7511           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7512          no_vertical_scrollbar))
7513       continue;
7514
7515     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7516   }
7517
7518   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7519   {
7520     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7521         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7522       continue;
7523
7524     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7525   }
7526
7527   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7528 }
7529
7530 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7531 {
7532   int i;
7533
7534   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7535   {
7536     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7537         i == GADGET_ID_CUSTOM_COPY_TO ||
7538         i == GADGET_ID_CUSTOM_EXCHANGE ||
7539         i == GADGET_ID_CUSTOM_COPY ||
7540         i == GADGET_ID_CUSTOM_PASTE)
7541     {
7542       if (map)
7543         MapGadget(level_editor_gadget[i]);
7544       else
7545         UnmapGadget(level_editor_gadget[i]);
7546     }
7547   }
7548 }
7549
7550 static void MapLevelEditorToolboxCustomGadgets(void)
7551 {
7552   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7553 }
7554
7555 static void UnmapLevelEditorToolboxCustomGadgets(void)
7556 {
7557   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7558 }
7559
7560 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7561 {
7562   int i;
7563
7564   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7565   {
7566     if (i != GADGET_ID_SINGLE_ITEMS &&
7567         i != GADGET_ID_PICK_ELEMENT)
7568     {
7569       struct GadgetInfo *gi = level_editor_gadget[i];
7570
7571       if (map)
7572       {
7573         MapGadget(gi);
7574       }
7575       else
7576       {
7577         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7578         struct GraphicInfo *gd = &graphic_info[graphic];
7579
7580         UnmapGadget(gi);
7581
7582         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7583                    gi->width, gi->height, gi->x, gi->y);
7584
7585         redraw_mask |= REDRAW_DOOR_3;
7586       }
7587     }
7588   }
7589 }
7590
7591 static void MapLevelEditorToolboxDrawingGadgets(void)
7592 {
7593   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7594 }
7595
7596 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7597 {
7598   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7599 }
7600
7601 static void UnmapDrawingArea(int id)
7602 {
7603   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7604 }
7605
7606 static void UnmapLevelEditorFieldGadgets(void)
7607 {
7608   int i;
7609
7610   for (i = 0; i < num_editor_gadgets; i++)
7611     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7612                           level_editor_gadget[i]->y))
7613       UnmapGadget(level_editor_gadget[i]);
7614 }
7615
7616 void UnmapLevelEditorGadgets(void)
7617 {
7618   int i;
7619
7620   for (i = 0; i < num_editor_gadgets; i++)
7621     UnmapGadget(level_editor_gadget[i]);
7622 }
7623
7624 static void ResetUndoBuffer(void)
7625 {
7626   undo_buffer_position = -1;
7627   undo_buffer_steps = -1;
7628   redo_buffer_steps = 0;
7629
7630   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7631
7632   level.changed = FALSE;
7633 }
7634
7635 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7636 {
7637   if (remap_toolbox_gadgets)
7638   {
7639     ModifyEditorElementList();
7640     RedrawDrawingElements();
7641   }
7642
7643   if (edit_mode == ED_MODE_INFO)
7644     DrawLevelInfoWindow();
7645   else if (edit_mode == ED_MODE_PROPERTIES)
7646     DrawPropertiesWindow();
7647   else if (edit_mode == ED_MODE_PALETTE)
7648     DrawPaletteWindow();
7649   else  // edit_mode == ED_MODE_DRAWING
7650     DrawDrawingWindowExt(remap_toolbox_gadgets);
7651 }
7652
7653 static void DrawEditModeWindow(void)
7654 {
7655   DrawEditModeWindowExt(TRUE);
7656 }
7657
7658 static void DrawEditModeWindow_PlayfieldOnly(void)
7659 {
7660   DrawEditModeWindowExt(FALSE);
7661 }
7662
7663 static void ChangeEditModeWindow(int new_edit_mode)
7664 {
7665   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7666
7667   DrawEditModeWindow();
7668 }
7669
7670 static boolean LevelChanged(void)
7671 {
7672   boolean field_changed = FALSE;
7673   int x, y;
7674
7675   for (y = 0; y < lev_fieldy; y++)
7676     for (x = 0; x < lev_fieldx; x++)
7677       if (Feld[x][y] != level.field[x][y])
7678         field_changed = TRUE;
7679
7680   return (level.changed || field_changed);
7681 }
7682
7683 static boolean PrepareSavingIntoPersonalLevelSet(void)
7684 {
7685   static LevelDirTree *last_copied_leveldir = NULL;
7686   static LevelDirTree *last_written_leveldir = NULL;
7687   static int last_copied_level_nr = -1;
7688   static int last_written_level_nr = -1;
7689   LevelDirTree *leveldir_former = leveldir_current;
7690   int level_nr_former = level_nr;
7691   int new_level_nr;
7692
7693   // remember last mod/save so that for current session, we write
7694   // back to the same personal copy, asking only about overwrite.
7695   if (leveldir_current == last_copied_leveldir &&
7696       level_nr == last_copied_level_nr)
7697   {
7698     // "cd" to personal level set dir (as used when writing last copy)
7699     leveldir_current = last_written_leveldir;
7700     level_nr = last_written_level_nr;
7701
7702     return TRUE;
7703   }
7704
7705   if (!Request("This level is read only! "
7706                "Save into personal level set?", REQ_ASK))
7707     return FALSE;
7708
7709   // "cd" to personal level set dir (for writing copy the first time)
7710   leveldir_current =
7711     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7712
7713   // find unused level number
7714   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7715   {
7716     static char *level_filename = NULL;
7717
7718     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7719
7720     if (!fileExists(level_filename))
7721       break;
7722   }
7723
7724   last_copied_leveldir = leveldir_former;
7725   last_copied_level_nr = level_nr_former;
7726
7727   last_written_leveldir = leveldir_current;
7728   last_written_level_nr = level_nr = new_level_nr;
7729
7730   return TRUE;
7731 }
7732
7733 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7734 {
7735   static char *filename_levelinfo = NULL, *mod_name = NULL;
7736   FILE *file;
7737
7738   // annotate this copy-and-mod in personal levelinfo.conf
7739   setString(&filename_levelinfo,
7740             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7741
7742   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7743   {
7744     fprintf(file, "\n");
7745     fprintf(file, "# level %d was modified from:\n", level_nr);
7746     fprintf(file, "# - previous level set name:    %s\n",
7747             former_name);
7748     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7749             level.file_info.nr, level.name);
7750     fprintf(file, "# - previous author:            %s\n",
7751             level.author);
7752     fprintf(file, "# - previous save date:         ");
7753
7754     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7755     {
7756       fprintf(file, "%04d-%02d-%02d\n",
7757               level.creation_date.year,
7758               level.creation_date.month,
7759               level.creation_date.day);
7760     }
7761     else
7762     {
7763       fprintf(file, "not recorded\n");
7764     }
7765
7766     fclose(file);
7767   }
7768
7769   if (level_nr > leveldir_current->last_level)
7770     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7771
7772   // else: allow the save even if annotation failed
7773
7774   // now... spray graffiti on the old level vital statistics
7775   // user can change these; just trying to set a good baseline
7776
7777   // don't truncate names for fear of making offensive or silly:
7778   // long-named original author only recorded in levelinfo.conf.
7779   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7780   if (!strEqual(level.author, leveldir_current->author))
7781   {
7782     setString(&mod_name, getStringCat3(leveldir_current->author,
7783                                        " after ", level.author));
7784
7785     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7786       setString(&mod_name,
7787                 getStringCat2(leveldir_current->author, " (ed.)"));
7788
7789     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7790       setString(&mod_name, leveldir_current->author);
7791
7792     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7793
7794     // less worried about truncation here
7795     setString(&mod_name, getStringCat2("Mod: ", level.name));
7796     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7797   }
7798 }
7799
7800 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7801                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7802 {
7803   int x, y;
7804
7805   for (x = 0; x < lev_fieldx; x++)
7806     for (y = 0; y < lev_fieldy; y++)
7807       dst[x][y] = src[x][y];
7808 }
7809
7810 static int setSelectboxValue(int selectbox_id, int new_value)
7811 {
7812   int new_index_value = 0;
7813   int i;
7814
7815   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7816     if (selectbox_info[selectbox_id].options[i].value == new_value)
7817       new_index_value = i;
7818
7819   *selectbox_info[selectbox_id].value =
7820     selectbox_info[selectbox_id].options[new_index_value].value;
7821
7822   return new_index_value;
7823 }
7824
7825 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7826 {
7827   int i;
7828
7829   // change action mode and arg variables according to action type variable
7830   for (i = 0; action_arg_options[i].value != -1; i++)
7831   {
7832     if (action_arg_options[i].value == custom_element_change.action_type)
7833     {
7834       int mode = action_arg_options[i].mode;
7835
7836       // only change if corresponding selectbox has changed
7837       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7838           action_arg_modes[mode])
7839         custom_element_change.action_mode = -1;
7840
7841       // only change if corresponding selectbox has changed
7842       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7843           action_arg_options[i].options)
7844         custom_element_change.action_arg = -1;
7845
7846       break;
7847     }
7848   }
7849 }
7850
7851 static void setSelectboxSpecialActionOptions(void)
7852 {
7853   int i;
7854
7855   // change action mode and arg selectbox according to action type selectbox
7856   for (i = 0; action_arg_options[i].value != -1; i++)
7857   {
7858     if (action_arg_options[i].value == custom_element_change.action_type)
7859     {
7860       int mode = action_arg_options[i].mode;
7861
7862       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7863                                    action_arg_modes[mode]);
7864       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7865                                  custom_element_change.action_mode);
7866
7867       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7868                                    action_arg_options[i].options);
7869       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7870                                  custom_element_change.action_arg);
7871       break;
7872     }
7873   }
7874 }
7875
7876 static void copy_custom_element_settings(int element_from, int element_to)
7877 {
7878   struct ElementInfo *ei_from = &element_info[element_from];
7879   struct ElementInfo *ei_to = &element_info[element_to];
7880
7881   copyElementInfo(ei_from, ei_to);
7882 }
7883
7884 static void replace_custom_element_in_settings(int element_from,
7885                                                int element_to)
7886 {
7887   int i, j, x, y;
7888
7889   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7890   {
7891     struct ElementInfo *ei = &element_info[i];
7892
7893     for (y = 0; y < 3; y++)
7894       for (x = 0; x < 3; x++)
7895         if (ei->content.e[x][y] == element_from)
7896           ei->content.e[x][y] = element_to;
7897
7898     for (j = 0; j < ei->num_change_pages; j++)
7899     {
7900       struct ElementChangeInfo *change = &ei->change_page[j];
7901
7902       if (change->target_element == element_from)
7903         change->target_element = element_to;
7904
7905       if (change->initial_trigger_element == element_from)
7906         change->initial_trigger_element = element_to;
7907
7908       if (change->action_element == element_from)
7909         change->action_element = element_to;
7910
7911       for (y = 0; y < 3; y++)
7912         for (x = 0; x < 3; x++)
7913           if (change->target_content.e[x][y] == element_from)
7914             change->target_content.e[x][y] = element_to;
7915     }
7916
7917     if (ei->group != NULL)                              // group or internal
7918       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7919         if (ei->group->element[j] == element_from)
7920           ei->group->element[j] = element_to;
7921   }
7922 }
7923
7924 static void replace_custom_element_in_playfield(int element_from,
7925                                                 int element_to)
7926 {
7927   int x, y;
7928
7929   for (x = 0; x < lev_fieldx; x++)
7930     for (y = 0; y < lev_fieldy; y++)
7931       if (Feld[x][y] == element_from)
7932         Feld[x][y] = element_to;
7933 }
7934
7935 static boolean CopyCustomElement(int element_old, int element_new,
7936                                  int copy_mode)
7937 {
7938   int copy_mode_orig = copy_mode;
7939
7940   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7941   {
7942     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7943                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7944     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7945   }
7946   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7947   {
7948     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7949                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7950     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7951
7952     level.changed = TRUE;
7953   }
7954   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7955   {
7956     Request("Please choose custom element!", REQ_CONFIRM);
7957
7958     return FALSE;
7959   }
7960   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7961   {
7962     Request("Please choose group element!", REQ_CONFIRM);
7963
7964     return FALSE;
7965   }
7966   else
7967   {
7968     level.changed = TRUE;
7969   }
7970
7971   // when modifying custom/group element, ask for copying level template
7972   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7973   {
7974     if (!AskToCopyAndModifyLevelTemplate())
7975       return FALSE;
7976   }
7977
7978   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7979   {
7980     copy_custom_element_settings(element_new, element_old);
7981   }
7982   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7983   {
7984     copy_custom_element_settings(element_old, element_new);
7985   }
7986   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7987   {
7988     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7989     copy_custom_element_settings(element_new, element_old);
7990     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7991
7992     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7993     replace_custom_element_in_settings(element_new, element_old);
7994     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7995
7996     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7997     replace_custom_element_in_playfield(element_new, element_old);
7998     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7999   }
8000
8001   UpdateCustomElementGraphicGadgets();
8002   DrawPropertiesWindow();
8003
8004   return TRUE;
8005 }
8006
8007 static void CopyCustomElementPropertiesToEditor(int element)
8008 {
8009   int i;
8010   int current_change_page = element_info[element].current_change_page;
8011
8012   // dynamically (re)build selectbox for selecting change page
8013   for (i = 0; i < element_info[element].num_change_pages; i++)
8014   {
8015     sprintf(options_change_page_strings[i], "%d", i + 1);
8016
8017     options_change_page[i].value = i;
8018     options_change_page[i].text = options_change_page_strings[i];
8019   }
8020
8021   options_change_page[i].value = -1;
8022   options_change_page[i].text = NULL;
8023
8024   // needed here to initialize combined element properties
8025   InitElementPropertiesEngine(level.game_version);
8026
8027   element_info[element].change =
8028     &element_info[element].change_page[current_change_page];
8029
8030   custom_element = element_info[element];
8031   custom_element_change = *element_info[element].change;
8032
8033   // needed to initially set selectbox options for special action options
8034   setSelectboxSpecialActionOptions();
8035
8036   // needed to initially set selectbox value variables to reliable defaults
8037   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8038     setSelectboxValue(i, *selectbox_info[i].value);
8039
8040   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8041     custom_element_properties[i] = HAS_PROPERTY(element, i);
8042
8043   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8044     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8045
8046   // ---------- element settings: configure (custom elements) -----------------
8047
8048   // set accessible layer selectbox help value
8049   custom_element.access_type =
8050     (IS_WALKABLE(element) ? EP_WALKABLE :
8051      IS_PASSABLE(element) ? EP_PASSABLE :
8052      custom_element.access_type);
8053   custom_element.access_layer =
8054     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8055      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8056      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8057      custom_element.access_layer);
8058   custom_element.access_protected =
8059     (IS_PROTECTED(element) ? 1 : 0);
8060   custom_element_properties[EP_ACCESSIBLE] =
8061     (IS_ACCESSIBLE_OVER(element) ||
8062      IS_ACCESSIBLE_INSIDE(element) ||
8063      IS_ACCESSIBLE_UNDER(element));
8064
8065   // set walk-to-object action selectbox help value
8066   custom_element.walk_to_action =
8067     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8068      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8069      IS_DROPPABLE(element) ? EP_DROPPABLE :
8070      IS_THROWABLE(element) ? EP_THROWABLE :
8071      IS_PUSHABLE(element) ? EP_PUSHABLE :
8072      custom_element.walk_to_action);
8073   custom_element_properties[EP_WALK_TO_OBJECT] =
8074     (IS_DIGGABLE(element) ||
8075      IS_COLLECTIBLE_ONLY(element) ||
8076      IS_DROPPABLE(element) ||
8077      IS_THROWABLE(element) ||
8078      IS_PUSHABLE(element));
8079
8080   // set smash targets selectbox help value
8081   custom_element.smash_targets =
8082     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8083      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8084      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8085      custom_element.smash_targets);
8086   custom_element_properties[EP_CAN_SMASH] =
8087     (CAN_SMASH_EVERYTHING(element) ||
8088      CAN_SMASH_ENEMIES(element) ||
8089      CAN_SMASH_PLAYER(element));
8090
8091   // set deadliness selectbox help value
8092   custom_element.deadliness =
8093     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8094      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8095      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8096      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8097      custom_element.deadliness);
8098   custom_element_properties[EP_DEADLY] =
8099     (DONT_TOUCH(element) ||
8100      DONT_GET_HIT_BY(element) ||
8101      DONT_COLLIDE_WITH(element) ||
8102      DONT_RUN_INTO(element));
8103
8104   // ---------- element settings: advanced (custom elements) ------------------
8105
8106   // set "change by direct action" selectbox help value
8107   custom_element_change.direct_action =
8108     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8109      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8110      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8111      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8112      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8113      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8114      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8115      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8116      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8117      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8118      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8119      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8120      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8121      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8122      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8123      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8124      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8125      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8126      custom_element_change.direct_action);
8127
8128   // set "change by other element action" selectbox help value
8129   custom_element_change.other_action =
8130     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8131      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8132      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8133      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8134      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8135      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8136      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8137      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8138      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8139      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8140      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8141      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8142      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8143      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8144      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8145      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8146      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8147      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8148      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8149      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8150      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8151      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8152      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8153      custom_element_change.other_action);
8154 }
8155
8156 static void CopyGroupElementPropertiesToEditor(int element)
8157 {
8158   group_element_info = *element_info[element].group;
8159   custom_element = element_info[element];       // needed for description
8160 }
8161
8162 static void CopyClassicElementPropertiesToEditor(int element)
8163 {
8164   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8165     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8166       getMoveIntoAcidProperty(&level, element);
8167
8168   if (MAYBE_DONT_COLLIDE_WITH(element))
8169     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8170       getDontCollideWithProperty(&level, element);
8171 }
8172
8173 static void CopyElementPropertiesToEditor(int element)
8174 {
8175   if (IS_CUSTOM_ELEMENT(element))
8176     CopyCustomElementPropertiesToEditor(element);
8177   else if (IS_GROUP_ELEMENT(element))
8178     CopyGroupElementPropertiesToEditor(element);
8179   else
8180     CopyClassicElementPropertiesToEditor(element);
8181 }
8182
8183 static boolean AskToCopyAndModifyLevelTemplate(void)
8184 {
8185   if (Request("Copy and modify settings from level template?", REQ_ASK))
8186   {
8187     level.use_custom_template = FALSE;
8188
8189     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8190                  GDI_CHECKED, FALSE, GDI_END);
8191     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8192                  GDI_CHECKED, FALSE, GDI_END);
8193
8194     return TRUE;
8195   }
8196   else
8197   {
8198     LoadLevelTemplate(-1);      // this resets all element modifications ...
8199
8200     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8201
8202     return FALSE;
8203   }
8204 }
8205
8206 static void CopyCustomElementPropertiesToGame(int element)
8207 {
8208   int i;
8209   int access_type_and_layer;
8210
8211   // mark that this custom element has been modified
8212   custom_element.modified_settings = TRUE;
8213   level.changed = TRUE;
8214
8215   if (level.use_custom_template)
8216     AskToCopyAndModifyLevelTemplate();
8217
8218   element_info[element] = custom_element;
8219   *element_info[element].change = custom_element_change;
8220
8221   // ---------- element settings: configure (custom elements) -----------------
8222
8223   // set accessible property from checkbox and selectbox
8224   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8225   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8226   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8227   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8228   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8229   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8230   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8231                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8232                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8233   custom_element_properties[access_type_and_layer] =
8234     custom_element_properties[EP_ACCESSIBLE];
8235   custom_element_properties[EP_PROTECTED] =
8236     (custom_element.access_protected != 0 &&
8237      custom_element_properties[EP_ACCESSIBLE]);
8238
8239   // set walk-to-object property from checkbox and selectbox
8240   custom_element_properties[EP_DIGGABLE] = FALSE;
8241   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8242   custom_element_properties[EP_DROPPABLE] = FALSE;
8243   custom_element_properties[EP_THROWABLE] = FALSE;
8244   custom_element_properties[EP_PUSHABLE] = FALSE;
8245   custom_element_properties[custom_element.walk_to_action] =
8246     custom_element_properties[EP_WALK_TO_OBJECT];
8247
8248   // set smash property from checkbox and selectbox
8249   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8250   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8251   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8252   custom_element_properties[custom_element.smash_targets] =
8253     custom_element_properties[EP_CAN_SMASH];
8254
8255   // set deadliness property from checkbox and selectbox
8256   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8257   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8258   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8259   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8260   custom_element_properties[custom_element.deadliness] =
8261     custom_element_properties[EP_DEADLY];
8262
8263   // ---------- element settings: advanced (custom elements) ------------------
8264
8265   // set player change event from checkbox and selectbox
8266   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8267   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8268   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8269   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8270   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8271   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8272   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8273   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8274   custom_element_change_events[CE_SWITCHED] = FALSE;
8275   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8276   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8277   custom_element_change_events[CE_BLOCKED] = FALSE;
8278   custom_element_change_events[CE_IMPACT] = FALSE;
8279   custom_element_change_events[CE_SMASHED] = FALSE;
8280   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8281   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8282   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8283   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8284   custom_element_change_events[custom_element_change.direct_action] =
8285     custom_element_change_events[CE_BY_DIRECT_ACTION];
8286
8287   // set other element action change event from checkbox and selectbox
8288   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8289   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8290   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8291   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8292   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8293   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8294   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8295   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8296   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8297   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8298   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8299   custom_element_change_events[CE_HITTING_X] = FALSE;
8300   custom_element_change_events[CE_DIGGING_X] = FALSE;
8301   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8302   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8303   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8304   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8305   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8306   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8307   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8308   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8309   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8310   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8311   custom_element_change_events[custom_element_change.other_action] =
8312     custom_element_change_events[CE_BY_OTHER_ACTION];
8313
8314   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8315     SET_PROPERTY(element, i, custom_element_properties[i]);
8316
8317   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8318     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8319
8320   // copy change events also to special level editor variable
8321   custom_element = element_info[element];
8322   custom_element_change = *element_info[element].change;
8323 }
8324
8325 static void CopyGroupElementPropertiesToGame(int element)
8326 {
8327   // mark that this group element has been modified
8328   custom_element.modified_settings = TRUE;
8329   level.changed = TRUE;
8330
8331   if (level.use_custom_template)
8332     AskToCopyAndModifyLevelTemplate();
8333
8334   element_info[element] = custom_element;
8335   *element_info[element].group = group_element_info;
8336 }
8337
8338 static void CopyClassicElementPropertiesToGame(int element)
8339 {
8340   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8341     setMoveIntoAcidProperty(&level, element,
8342                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8343
8344   if (MAYBE_DONT_COLLIDE_WITH(element))
8345     setDontCollideWithProperty(&level, element,
8346                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8347 }
8348
8349 static void CopyElementPropertiesToGame(int element)
8350 {
8351   if (IS_CUSTOM_ELEMENT(element))
8352     CopyCustomElementPropertiesToGame(element);
8353   else if (IS_GROUP_ELEMENT(element))
8354     CopyGroupElementPropertiesToGame(element);
8355   else
8356     CopyClassicElementPropertiesToGame(element);
8357 }
8358
8359 #if DEBUG
8360 static void CheckElementDescriptions(void)
8361 {
8362   int i;
8363
8364   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8365     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8366       Error(ERR_WARN, "no element description file for element '%s'",
8367             EL_NAME(i));
8368 }
8369 #endif
8370
8371 static int getMaxEdFieldX(boolean has_scrollbar)
8372 {
8373   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8374   int sxsize = SXSIZE - scrollbar_width;
8375   int max_ed_fieldx = sxsize / ed_tilesize;
8376
8377   return max_ed_fieldx;
8378 }
8379
8380 static int getMaxEdFieldY(boolean has_scrollbar)
8381 {
8382   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8383                          INFOTEXT_YSIZE_FULL : 0);
8384   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8385   int sysize = SYSIZE - scrollbar_height - infotext_height;
8386   int max_ed_fieldy = sysize / ed_tilesize;
8387
8388   return max_ed_fieldy;
8389 }
8390
8391 static void InitZoomLevelSettings(int zoom_tilesize)
8392 {
8393   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8394
8395   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8396   {
8397     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8398     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8399
8400     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8401     {
8402       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8403       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8404     }
8405   }
8406
8407   last_game_engine_type = level.game_engine_type;
8408
8409   // limit zoom tilesize by upper and lower bound
8410   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8411
8412   // store zoom tilesize in auto setup file only if it was manually changed
8413   if (zoom_tilesize != -1)
8414     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8415
8416   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8417   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8418 }
8419
8420 static void InitDrawingElements(void)
8421 {
8422   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8423
8424   if (level.game_engine_type == game_engine_type_last)
8425     return;
8426
8427   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8428   {
8429     new_element1 = EL_SP_CHIP_SINGLE;
8430     new_element2 = EL_EMPTY;
8431     new_element3 = EL_SP_BASE;
8432   }
8433   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8434   {
8435     new_element1 = EL_MM_MIRROR_START;
8436     new_element2 = EL_EMPTY;
8437     new_element3 = EL_MM_WOODEN_WALL;
8438   }
8439   else
8440   {
8441     new_element1 = EL_WALL;
8442     new_element2 = EL_EMPTY;
8443     new_element3 = EL_SAND;
8444   }
8445
8446   game_engine_type_last = level.game_engine_type;
8447 }
8448
8449 static void InitLevelSetInfo(void)
8450 {
8451   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8452            "%s", leveldir_current->name);
8453   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8454            "%s", leveldir_current->author);
8455
8456   levelset_num_levels = leveldir_current->levels;
8457
8458   levelset_use_levelset_artwork = FALSE;
8459   levelset_copy_level_template = FALSE;
8460
8461   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8462 }
8463
8464 static void ChangeEditorToLevelSet(char *levelset_subdir)
8465 {
8466   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8467
8468   // the previous level set might have used custom artwork
8469   ReloadCustomArtwork(0);
8470
8471   LoadLevelSetup_SeriesInfo();
8472
8473   SaveLevelSetup_LastSeries();
8474   SaveLevelSetup_SeriesInfo();
8475
8476   TapeErase();
8477
8478   LoadLevel(level_nr);
8479   LoadScore(level_nr);
8480
8481   DrawLevelEd();
8482 }
8483
8484 static boolean useEditorDoorAnimation(void)
8485 {
8486   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8487   boolean door_1_viewport_unchanged =
8488     (vp_door_1->x      == DX     &&
8489      vp_door_1->y      == DY     &&
8490      vp_door_1->width  == DXSIZE &&
8491      vp_door_1->height == DYSIZE);
8492   boolean door_1_contains_toolbox =
8493     (EX >= DX &&
8494      EY >= DY &&
8495      EX + EXSIZE <= DX + DXSIZE &&
8496      EY + EYSIZE <= DY + DYSIZE);
8497
8498   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8499 }
8500
8501 static void DrawEditorDoorContent(void)
8502 {
8503   // needed for gadgets drawn on background (like palette scrollbar)
8504   SetDoorBackgroundImage(IMG_UNDEFINED);
8505
8506   // copy default editor door content to main double buffer
8507   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8508              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8509              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8510              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8511              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8512              DX, DY);
8513
8514   // draw bigger door
8515   DrawSpecialEditorDoor();
8516
8517   // draw new control window
8518   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8519              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8520              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8521              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8522              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8523              EX, EY);
8524
8525   // draw all toolbox gadgets to editor doors
8526   MapControlButtons();
8527
8528   // draw all palette gadgets to editor doors
8529   ModifyEditorElementList();
8530   RedrawDrawingElements();
8531
8532   // copy actual editor door content to door double buffer for OpenDoor()
8533   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8534 }
8535
8536 void DrawLevelEd(void)
8537 {
8538   int fade_mask = REDRAW_FIELD;
8539
8540   FadeSoundsAndMusic();
8541
8542   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8543     fade_mask = REDRAW_ALL;
8544
8545   FadeOut(fade_mask);
8546
8547   // needed if different viewport properties defined for editor
8548   ChangeViewportPropertiesIfNeeded();
8549
8550   ClearField();
8551
8552   InitZoomLevelSettings(-1);
8553   InitDrawingElements();
8554   InitLevelSetInfo();
8555
8556 #if DEBUG
8557   CheckElementDescriptions();
8558 #endif
8559
8560   if (level_editor_test_game)
8561   {
8562     CopyPlayfield(level.field, Feld);
8563     CopyPlayfield(FieldBackup, level.field);
8564
8565     level_editor_test_game = FALSE;
8566   }
8567   else
8568   {
8569     edit_mode = ED_MODE_DRAWING;
8570     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8571     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8572
8573     ResetUndoBuffer();
8574
8575     level_xpos = -1;
8576     level_ypos = -1;
8577   }
8578
8579   // redraw_mask |= REDRAW_ALL;
8580
8581   FreeLevelEditorGadgets();
8582   CreateLevelEditorGadgets();
8583
8584   ReinitializeElementList();            // update dynamic level element list
8585   ReinitializeElementListButtons();     // custom element may look different
8586
8587   InitElementPropertiesGfxElement();
8588
8589   UnmapAllGadgets();
8590
8591   DrawEditModeWindow_PlayfieldOnly();
8592
8593   DrawMaskedBorder(fade_mask);
8594
8595   // use door animation if door 1 viewport is unchanged and contains toolbox
8596   if (useEditorDoorAnimation())
8597   {
8598     FadeIn(fade_mask);
8599
8600     DrawEditorDoorContent();
8601
8602     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8603   }
8604   else
8605   {
8606     DrawEditorDoorContent();
8607
8608     FadeIn(fade_mask);
8609   }
8610
8611   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8612 }
8613
8614 static void AdjustDrawingAreaGadgets(void)
8615 {
8616   int ed_xsize = lev_fieldx + 2;
8617   int ed_ysize = lev_fieldy + 2;
8618   int max_ed_fieldx = MAX_ED_FIELDX;
8619   int max_ed_fieldy = MAX_ED_FIELDY;
8620   boolean horizontal_scrollbar_needed;
8621   boolean vertical_scrollbar_needed;
8622   int x, y, width, height;
8623
8624   if (suppressBorderElement())
8625   {
8626     ed_xsize = max_ed_fieldx;
8627     ed_ysize = max_ed_fieldy;
8628   }
8629
8630   // check if we need any scrollbars
8631   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8632   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8633
8634   // check if we have a smaller editor field because of scrollbars
8635   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8636   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8637
8638   // check again if we now need more scrollbars because of less space
8639   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8640   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8641
8642   // check if editor field gets even smaller after adding new scrollbars
8643   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8644   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8645
8646   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8647   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8648
8649   x = SX + ed_fieldx * ed_tilesize;
8650   y = SY + ed_fieldy * ed_tilesize;
8651
8652   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8653   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8654
8655   // adjust drawing area gadget
8656   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8657                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8658                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8659                GDI_END);
8660
8661   // adjust horizontal scrollbar gadgets
8662   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8663                GDI_Y, y,
8664                GDI_END);
8665   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8666                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8667                GDI_Y, y,
8668                GDI_END);
8669   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8670                GDI_Y, y,
8671                GDI_WIDTH, width,
8672                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8673                GDI_END);
8674
8675   // adjust vertical scrollbar gadgets
8676   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8677                GDI_X, x,
8678                GDI_END);
8679   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8680                GDI_X, x,
8681                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8682                GDI_END);
8683   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8684                GDI_X, x,
8685                GDI_HEIGHT, height,
8686                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8687                GDI_END);
8688 }
8689
8690 static void AdjustLevelScrollPosition(void)
8691 {
8692   if (level_xpos < -1)
8693     level_xpos = -1;
8694   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8695     level_xpos = lev_fieldx - ed_fieldx + 1;
8696   if (lev_fieldx < ed_fieldx - 2)
8697     level_xpos = -1;
8698
8699   if (level_ypos < -1)
8700     level_ypos = -1;
8701   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8702     level_ypos = lev_fieldy - ed_fieldy + 1;
8703   if (lev_fieldy < ed_fieldy - 2)
8704     level_ypos = -1;
8705
8706   if (suppressBorderElement())
8707   {
8708     level_xpos = 0;
8709     level_ypos = 0;
8710   }
8711 }
8712
8713 static void AdjustEditorScrollbar(int id)
8714 {
8715   struct GadgetInfo *gi = level_editor_gadget[id];
8716   int items_max, items_visible, item_position;
8717
8718   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8719   {
8720     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8721     items_visible = ed_fieldx;
8722     item_position = level_xpos + 1;
8723   }
8724   else
8725   {
8726     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8727     items_visible = ed_fieldy;
8728     item_position = level_ypos + 1;
8729   }
8730
8731   if (item_position > items_max - items_visible)
8732     item_position = items_max - items_visible;
8733
8734   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8735                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8736 }
8737
8738 static void AdjustElementListScrollbar(void)
8739 {
8740   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8741   int items_max, items_visible, item_position;
8742
8743   // correct position of element list scrollbar
8744   if (element_shift < 0)
8745     element_shift = 0;
8746   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8747     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8748
8749   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8750   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8751   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8752
8753   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8754                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8755                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8756 }
8757
8758 static void ModifyEditorCounterValue(int counter_id, int new_value)
8759 {
8760   int *counter_value = counterbutton_info[counter_id].value;
8761   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8762   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8763
8764   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8765
8766   if (counter_value != NULL)
8767     *counter_value = gi->textinput.number_value;
8768 }
8769
8770 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8771 {
8772   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8773   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8774
8775   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8776
8777   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8778       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8779   {
8780     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8781     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8782
8783     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8784     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8785                  GDI_END);
8786   }
8787 }
8788
8789 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8790 {
8791   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8792   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8793   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8794
8795   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8796 }
8797
8798 static void ModifyEditorSelectboxOptions(int selectbox_id,
8799                                          struct ValueTextInfo *options)
8800 {
8801   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8802   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8803
8804   selectbox_info[selectbox_id].options = options;
8805
8806   // set index to zero -- list may be shorter now (correct later, if needed)
8807   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8808                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8809 }
8810
8811 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8812 {
8813   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8814   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8815
8816   drawingarea_info[drawingarea_id].area_xsize = xsize;
8817   drawingarea_info[drawingarea_id].area_ysize = ysize;
8818
8819   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8820 }
8821
8822 static void ModifyEditorElementList(void)
8823 {
8824   int i;
8825
8826   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8827     return;
8828
8829   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8830   {
8831     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8832     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8833     struct GadgetDesign *gd = &gi->deco.design;
8834     int element = editor_elements[element_shift + i];
8835     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8836
8837     UnmapGadget(gi);
8838
8839     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8840
8841     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8842
8843     MapGadget(gi);
8844   }
8845 }
8846
8847 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8848 {
8849   int graphic = el2edimg(element);
8850   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8851
8852   if (pos->x == -1 &&
8853       pos->y == -1)
8854     return;
8855
8856   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8857 }
8858
8859 static void ModifyDrawingElementButton(int element, int id)
8860 {
8861   struct GadgetInfo *gi = level_editor_gadget[id];
8862   Bitmap *deco_bitmap;
8863   int deco_x, deco_y;
8864   int tile_size = gi->deco.width;
8865
8866   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8867
8868   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8869 }
8870
8871 static void PickDrawingElement(int button, int element)
8872 {
8873   struct
8874   {
8875     int *new_element;
8876     struct XYTileSize *pos;
8877     int id;
8878   } de, drawing_elements[] =
8879   {
8880     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8881     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8882     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8883   };
8884
8885   if (button < 1 || button > 3)
8886     return;
8887
8888   if (IS_MM_WALL(element))
8889     element = map_mm_wall_element(element);
8890
8891   de = drawing_elements[button - 1];
8892
8893   *de.new_element = element;    // update global drawing element variable
8894
8895   DrawDrawingElementGraphic(element, de.pos);
8896   ModifyDrawingElementButton(element, de.id);
8897
8898   redraw_mask |= REDRAW_DOOR_1;
8899 }
8900
8901 static void RedrawDrawingElements(void)
8902 {
8903   PickDrawingElement(1, new_element1);
8904   PickDrawingElement(2, new_element2);
8905   PickDrawingElement(3, new_element3);
8906 }
8907
8908 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8909 {
8910   stick_element_properties_window = FALSE;
8911
8912   SetMainBackgroundImage(IMG_UNDEFINED);
8913   ClearField();
8914
8915   UnmapLevelEditorFieldGadgets();
8916
8917   AdjustDrawingAreaGadgets();
8918   AdjustLevelScrollPosition();
8919   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8920   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8921
8922   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8923
8924   MapMainDrawingArea();
8925
8926   if (remap_toolbox_gadgets)
8927   {
8928     UnmapLevelEditorToolboxCustomGadgets();
8929     MapLevelEditorToolboxDrawingGadgets();
8930   }
8931 }
8932
8933 static void DrawDrawingWindow(void)
8934 {
8935   DrawDrawingWindowExt(TRUE);
8936 }
8937
8938 static int getTabulatorBarWidth(void)
8939 {
8940   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8941   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8942
8943   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8944 }
8945
8946 static int getTabulatorBarHeight(void)
8947 {
8948   return ED_TAB_BAR_HEIGHT;
8949 }
8950
8951 static Pixel getTabulatorBarColor(void)
8952 {
8953   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8954   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8955   int gd_x = gd->x + gd_gi1->border.width / 2;
8956   int gd_y = gd->y + gd_gi1->height - 1;
8957
8958   return GetPixel(gd->bitmap, gd_x, gd_y);
8959 }
8960
8961 static void DrawLevelInfoTabulatorGadgets(void)
8962 {
8963   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8964   Pixel tab_color = getTabulatorBarColor();
8965   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8966   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8967   int i;
8968
8969   for (i = id_first; i <= id_last; i++)
8970   {
8971     int gadget_id = textbutton_info[i].gadget_id;
8972     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8973     boolean active = (i != edit_mode_levelinfo);
8974
8975     // draw background line below tabulator button
8976     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8977
8978     // draw solid line below inactive tabulator buttons
8979     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
8980       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8981                     ED_GADGET_TINY_DISTANCE, tab_color);
8982
8983     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8984     MapTextbuttonGadget(i);
8985   }
8986
8987   // draw little border line below tabulator buttons
8988   if (tab_color != BLACK_PIXEL)                 // black => transparent
8989     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8990                   ED_GADGET_TINY_DISTANCE,
8991                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8992 }
8993
8994 static void DrawPropertiesTabulatorGadgets(void)
8995 {
8996   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8997   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8998   int gd_x = gd->x + gd_gi1->border.width / 2;
8999   int gd_y = gd->y + gd_gi1->height - 1;
9000   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9001   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9002   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9003   int i;
9004
9005   // draw two config tabulators for player elements
9006   if (ELEM_IS_PLAYER(properties_element))
9007     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9008
9009   // draw two config and one "change" tabulator for custom elements
9010   if (IS_CUSTOM_ELEMENT(properties_element))
9011     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9012
9013   for (i = id_first; i <= id_last; i++)
9014   {
9015     int gadget_id = textbutton_info[i].gadget_id;
9016     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9017     boolean active = (i != edit_mode_properties);
9018
9019     // use "config 1" and "config 2" instead of "config" for players and CEs
9020     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9021         (ELEM_IS_PLAYER(properties_element) ||
9022          IS_CUSTOM_ELEMENT(properties_element)))
9023       continue;
9024
9025     // draw background line below tabulator button
9026     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9027
9028     // draw solid line below inactive tabulator buttons
9029     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9030       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9031                     ED_GADGET_TINY_DISTANCE, tab_color);
9032
9033     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9034     MapTextbuttonGadget(i);
9035   }
9036
9037   // draw little border line below tabulator buttons
9038   if (tab_color != BLACK_PIXEL)                 // black => transparent
9039     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9040                   ED_GADGET_TINY_DISTANCE,
9041                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9042 }
9043
9044 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9045 {
9046   DrawText(SX + xpos, SY + ypos, text, font_nr);
9047 }
9048
9049 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9050                                            int xpos, int ypos)
9051 {
9052   int font_width = getFontWidth(font_nr);
9053   int font_height = getFontHeight(font_nr);
9054   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9055   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9056
9057   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9058                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9059                       TRUE, FALSE, FALSE);
9060 }
9061
9062 static void DrawLevelInfoLevel(void)
9063 {
9064   int i;
9065
9066   // draw counter gadgets
9067   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9068     MapCounterButtons(i);
9069
9070   // draw checkbutton gadgets
9071   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9072     MapCheckbuttonGadget(i);
9073
9074   // draw selectbox gadgets
9075   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9076     MapSelectboxGadget(i);
9077
9078   // draw text input gadgets
9079   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9080     MapTextInputGadget(i);
9081 }
9082
9083 static char *getLevelSubdirFromSaveMode(int save_mode)
9084 {
9085   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9086     return getNewUserLevelSubdir();
9087
9088   return leveldir_current->subdir;
9089 }
9090
9091 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9092 {
9093   char *directory_text = "Level set directory:";
9094   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9095   int font1_nr = FONT_TEXT_1;
9096   int font2_nr = FONT_TEXT_2;
9097   int font1_height = getFontHeight(font1_nr);
9098   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9099   int x = ED_LEVEL_SETTINGS_X(0);
9100   int y = ED_LEVEL_SETTINGS_Y(6);
9101
9102   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9103   PrintInfoText(directory_name, font2_nr, x, y);
9104 }
9105
9106 static void DrawLevelInfoLevelSet(void)
9107 {
9108   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9109   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9110   int i;
9111
9112   // draw counter gadgets
9113   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9114     MapCounterButtons(i);
9115
9116   // draw checkbutton gadgets
9117   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9118   {
9119     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9120         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9121         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9122       continue;
9123
9124     MapCheckbuttonGadget(i);
9125   }
9126
9127   // draw selectbox gadgets
9128   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9129     MapSelectboxGadget(i);
9130
9131   // draw text input gadgets
9132   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9133     MapTextInputGadget(i);
9134
9135   // draw textbutton gadgets
9136   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9137
9138   // draw info text
9139   DrawLevelInfoLevelSet_DirectoryInfo();
9140 }
9141
9142 static void DrawLevelInfoEditor(void)
9143 {
9144   int i;
9145
9146   // draw counter gadgets
9147   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9148     MapCounterButtons(i);
9149
9150   // draw checkbutton gadgets
9151   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9152     MapCheckbuttonGadget(i);
9153
9154   // draw radiobutton gadgets
9155   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9156     MapRadiobuttonGadget(i);
9157
9158   // draw drawing area
9159   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9160
9161   // draw textbutton gadgets
9162   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9163 }
9164
9165 static void DrawLevelInfoWindow(void)
9166 {
9167   char *text = "Global Settings";
9168   int font_nr = FONT_TITLE_1;
9169   struct MenuPosInfo *pos = &editor.settings.headline;
9170   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9171   int sy = SY + pos->y;
9172
9173   stick_element_properties_window = FALSE;
9174
9175   SetAutomaticNumberOfGemsNeeded();
9176
9177   UnmapLevelEditorFieldGadgets();
9178
9179   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9180   ClearField();
9181
9182   DrawText(sx, sy, text, font_nr);
9183
9184   DrawLevelInfoTabulatorGadgets();
9185
9186   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9187     DrawLevelInfoLevel();
9188   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9189     DrawLevelInfoLevelSet();
9190   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9191     DrawLevelInfoEditor();
9192 }
9193
9194 static void DrawCustomContentArea(void)
9195 {
9196   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9197   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9198   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9199   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9200   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9201   int xoffset = ED_GADGET_SPACE_DISTANCE;
9202
9203   // add distance for potential left text (without drawing area border)
9204   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9205
9206   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9207
9208   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9209 }
9210
9211 static void DrawCustomChangeContentArea(void)
9212 {
9213   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9214   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9215   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9216   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9217   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9218   int xoffset = ED_GADGET_SPACE_DISTANCE;
9219
9220   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9221
9222   MapDrawingArea(id);
9223 }
9224
9225 static void RemoveElementContentArea(int id, int font_height)
9226 {
9227   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9228
9229   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9230                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9231                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9232                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9233                  ED_GADGET_TEXT_DISTANCE + font_height);
9234 }
9235
9236 static void DrawYamYamContentAreas(void)
9237 {
9238   int font_nr = FONT_TEXT_1;
9239   int font_height = getFontHeight(font_nr);
9240   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9241   int yoffset = (tilesize - font_height) / 2;
9242   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9243   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9244   int i;
9245
9246   // display counter to choose number of element content areas
9247   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9248
9249   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9250   {
9251     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9252
9253     if (i < level.num_yamyam_contents)
9254     {
9255       MapDrawingArea(id);
9256     }
9257     else
9258     {
9259       UnmapDrawingArea(id);
9260
9261       // delete content areas in case of reducing number of them
9262       RemoveElementContentArea(id, font_height);
9263     }
9264   }
9265
9266   DrawText(x, y + 0 * tilesize, "content", font_nr);
9267   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9268   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9269 }
9270
9271 static void DrawMagicBallContentAreas(void)
9272 {
9273   int font_nr = FONT_TEXT_1;
9274   int font_height = getFontHeight(font_nr);
9275   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9276   int yoffset = (tilesize - font_height) / 2;
9277   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9278   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9279   int i;
9280
9281   // display counter to choose number of element content areas
9282   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9283
9284   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9285   {
9286     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9287
9288     if (i < level.num_ball_contents)
9289     {
9290       MapDrawingArea(id);
9291     }
9292     else
9293     {
9294       UnmapDrawingArea(id);
9295
9296       // delete content areas in case of reducing number of them
9297       RemoveElementContentArea(id, font_height);
9298     }
9299   }
9300
9301   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9302   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9303   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9304 }
9305
9306 static void DrawAndroidElementArea(int element)
9307 {
9308   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9309   int num_elements = level.num_android_clone_elements;
9310   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9311   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9312   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9313   int xsize = MAX_ANDROID_ELEMENTS;
9314   int ysize = 1;
9315
9316   // display counter to choose number of element areas
9317   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9318
9319   if (drawingarea_info[id].text_left != NULL)
9320     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9321
9322   UnmapDrawingArea(id);
9323
9324   ModifyEditorDrawingArea(id, num_elements, 1);
9325
9326   // delete content areas in case of reducing number of them
9327   DrawBackground(sx, sy,
9328                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9329                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9330
9331   MapDrawingArea(id);
9332 }
9333
9334 static void DrawGroupElementArea(int element)
9335 {
9336   int id = ED_DRAWING_ID_GROUP_CONTENT;
9337   int num_elements = group_element_info.num_elements;
9338   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9339   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9340   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9341   int xsize = MAX_ELEMENTS_IN_GROUP;
9342   int ysize = 1;
9343
9344   if (drawingarea_info[id].text_left != NULL)
9345     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9346
9347   UnmapDrawingArea(id);
9348
9349   ModifyEditorDrawingArea(id, num_elements, 1);
9350
9351   // delete content areas in case of reducing number of them
9352   DrawBackground(sx, sy,
9353                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9354                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9355
9356   MapDrawingArea(id);
9357 }
9358
9359 static void DrawPlayerInitialInventoryArea(int element)
9360 {
9361   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9362   int player_nr = GET_PLAYER_NR(element);
9363   int num_elements = level.initial_inventory_size[player_nr];
9364   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9365   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9366   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9367   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9368   int ysize = 1;
9369
9370   // determine horizontal position to the right of specified gadget
9371   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9372     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9373           ED_DRAWINGAREA_TEXT_DISTANCE);
9374
9375   // determine horizontal offset for leading text
9376   if (drawingarea_info[id].text_left != NULL)
9377     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9378
9379   UnmapDrawingArea(id);
9380
9381   ModifyEditorDrawingArea(id, num_elements, 1);
9382
9383   // delete content areas in case of reducing number of them
9384   DrawBackground(sx, sy,
9385                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9386                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9387
9388   MapDrawingArea(id);
9389 }
9390
9391 static void DrawEnvelopeTextArea(int envelope_nr)
9392 {
9393   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9394   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9395
9396   UnmapGadget(gi);
9397   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9398
9399   if (envelope_nr != -1)
9400     textarea_info[id].value = level.envelope[envelope_nr].text;
9401
9402   ModifyGadget(gi, GDI_AREA_SIZE,
9403                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9404                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9405                GDI_END);
9406
9407   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9408 }
9409
9410 static void DrawPropertiesInfo(void)
9411 {
9412   static struct
9413   {
9414     int value;
9415     char *text;
9416   }
9417   properties[] =
9418   {
9419     // configurable properties
9420
9421     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9422     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9423     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9424     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9425     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9426     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9427     { EP_PROTECTED,             "- player is protected by it"           },
9428
9429     { EP_DIGGABLE,              "- can be digged away"                  },
9430     { EP_COLLECTIBLE,           "- can be collected"                    },
9431     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9432     { EP_THROWABLE,             "- can be thrown after collecting"      },
9433     { EP_PUSHABLE,              "- can be pushed"                       },
9434
9435     { EP_CAN_FALL,              "- can fall"                            },
9436     { EP_CAN_MOVE,              "- can move"                            },
9437
9438     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9439 #if 0
9440     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9441 #endif
9442     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9443
9444     { EP_SLIPPERY,              "- slippery for falling elements"       },
9445     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9446
9447     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9448     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9449     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9450     { EP_DONT_TOUCH,            "- deadly when touching"                },
9451
9452     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9453
9454     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9455     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9456     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9457
9458     { EP_CAN_CHANGE,            "- can change to other element"         },
9459
9460     // pre-defined properties
9461     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9462     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9463     { EP_SWITCHABLE,            "- can be switched"                     },
9464 #if 0
9465     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9466 #endif
9467
9468     { -1,                       NULL                                    }
9469   };
9470   char *filename = getElementDescriptionFilename(properties_element);
9471   char *percentage_text = "In this level: ";
9472   char *properties_text = "Standard properties: ";
9473   char *description_text = "Description:";
9474   char *no_description_text = "No description available.";
9475   char *none_text = "None";
9476   float percentage;
9477   int num_elements_in_level;
9478   int num_standard_properties = 0;
9479   int font1_nr = FONT_TEXT_1;
9480   int font2_nr = FONT_TEXT_2;
9481   int font1_width = getFontWidth(font1_nr);
9482   int font1_height = getFontHeight(font1_nr);
9483   int font2_height = getFontHeight(font2_nr);
9484   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9485   int font2_yoffset = (font1_height - font2_height) / 2;
9486   int percentage_text_len = strlen(percentage_text) * font1_width;
9487   int properties_text_len = strlen(properties_text) * font1_width;
9488   int xpos = ED_ELEMENT_SETTINGS_X(0);
9489   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9490   int i, x, y;
9491
9492   if (setup.editor.show_element_token)
9493   {
9494     int font3_nr = FONT_TEXT_3;
9495     int font3_height = getFontHeight(font3_nr);
9496
9497     DrawTextF(xpos, ypos, font3_nr,
9498               "[%s]", element_info[properties_element].token_name);
9499
9500     ypos += 2 * font3_height;
9501   }
9502
9503   // ----- print number of elements / percentage of this element in level
9504
9505   num_elements_in_level = 0;
9506   for (y = 0; y < lev_fieldy; y++)
9507     for (x = 0; x < lev_fieldx; x++)
9508       if (Feld[x][y] == properties_element)
9509         num_elements_in_level++;
9510   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9511
9512   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9513
9514   if (num_elements_in_level > 0)
9515     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9516               "%d (%.2f %%)", num_elements_in_level, percentage);
9517   else
9518     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9519               none_text);
9520
9521   ypos += 2 * MAX(font1_height, font2_height);
9522
9523   // ----- print standard properties of this element
9524
9525   DrawTextS(xpos, ypos, font1_nr, properties_text);
9526
9527   ypos += line1_height;
9528
9529   for (i = 0; properties[i].value != -1; i++)
9530   {
9531     if (!HAS_PROPERTY(properties_element, properties[i].value))
9532       continue;
9533
9534     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9535
9536     ypos += font2_height;
9537
9538     num_standard_properties++;
9539   }
9540
9541   if (num_standard_properties == 0)
9542   {
9543     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9544               font2_nr, none_text);
9545
9546     ypos -= (line1_height - font1_height);
9547   }
9548
9549   ypos += MAX(font1_height, font2_height);
9550
9551   // ----- print special description of this element
9552
9553   PrintInfoText(description_text, font1_nr, xpos, ypos);
9554
9555   ypos += line1_height;
9556
9557   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9558     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9559 }
9560
9561 #define TEXT_COLLECTING         "Score for collecting"
9562 #define TEXT_SMASHING           "Score for smashing"
9563 #define TEXT_SLURPING           "Score for slurping robot"
9564 #define TEXT_CRACKING           "Score for cracking"
9565 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9566 #define TEXT_DURATION           "Duration when activated"
9567 #define TEXT_DELAY_ON           "Delay before activating"
9568 #define TEXT_DELAY_OFF          "Delay before deactivating"
9569 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9570 #define TEXT_DELAY_MOVING       "Delay before moving"
9571 #define TEXT_BALL_DELAY         "Element generation delay"
9572 #define TEXT_MOVE_SPEED         "Speed of android moving"
9573 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9574 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9575 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9576 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9577 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9578 #define TEXT_TIME_BONUS         "Extra time to solve level"
9579
9580 static struct
9581 {
9582   int element;
9583   int *value;
9584   char *text;
9585 } elements_with_counter[] =
9586 {
9587   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9588   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9589   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9590   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9591   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9592   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9593   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9594   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9595   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9596   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9597   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9598   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9599   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9600   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9601   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9602   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9603   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9604   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9605   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9606   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9607   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9608   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9609   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9610   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9611   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9612   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9613   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9614   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9615   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9616   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9617   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9618   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9619   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9620   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9621   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9622   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9623   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9624   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9625   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9626   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9627   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9628   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9629   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9630   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9631   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9632   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9633   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9634   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9635   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9636   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9637   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9638   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9639   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9640   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9641   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9642   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9643   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9644   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9645   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9646   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9647   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9648   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9649   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9650   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9651   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9652   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9653   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9654   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9655   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9656   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9657   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9658   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9659   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9660   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9661   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9662   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9663   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9664   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9665   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9666   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9667   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9668   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9669   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9670
9671   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9672   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9673   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9674   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9675   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9676   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9677   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9678   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9679   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9680   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9681   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9682   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9683   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9684   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9685   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9686   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9687
9688   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9689   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9690   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9691   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9692   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9693   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9694   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9695   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9696   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9697   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9698   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9699   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9700   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9701
9702   { -1,                 NULL,                           NULL            }
9703 };
9704
9705 static boolean checkPropertiesConfig(int element)
9706 {
9707   int i;
9708
9709   if (IS_GEM(element) ||
9710       IS_CUSTOM_ELEMENT(element) ||
9711       IS_GROUP_ELEMENT(element) ||
9712       IS_BALLOON_ELEMENT(element) ||
9713       IS_ENVELOPE(element) ||
9714       IS_MM_MCDUFFIN(element) ||
9715       IS_DF_LASER(element) ||
9716       ELEM_IS_PLAYER(element) ||
9717       HAS_EDITOR_CONTENT(element) ||
9718       CAN_GROW(element) ||
9719       COULD_MOVE_INTO_ACID(element) ||
9720       MAYBE_DONT_COLLIDE_WITH(element) ||
9721       element == EL_SOKOBAN_OBJECT ||
9722       element == EL_SOKOBAN_FIELD_EMPTY ||
9723       element == EL_SOKOBAN_FIELD_FULL)
9724     return TRUE;
9725   else
9726     for (i = 0; elements_with_counter[i].element != -1; i++)
9727       if (elements_with_counter[i].element == element)
9728         return TRUE;
9729
9730   return FALSE;
9731 }
9732
9733 static void SetAutomaticNumberOfGemsNeeded(void)
9734 {
9735   int x, y;
9736
9737   if (!level.auto_count_gems)
9738     return;
9739
9740   level.gems_needed = 0;
9741
9742   for (x = 0; x < lev_fieldx; x++)
9743   {
9744     for (y = 0; y < lev_fieldy; y++)
9745     {
9746       int element = Feld[x][y];
9747
9748       if (IS_GEM(element) ||
9749           element == EL_MM_KETTLE ||
9750           element == EL_DF_CELL)
9751         level.gems_needed++;
9752     }
9753   }
9754
9755   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9756 }
9757
9758 static void DrawPropertiesConfig(void)
9759 {
9760   boolean draw_footer_line = FALSE;
9761   int max_num_element_counters = 4;
9762   int num_element_counters = 0;
9763   int i;
9764
9765   if (!checkPropertiesConfig(properties_element))
9766   {
9767     int xpos = ED_ELEMENT_SETTINGS_X(0);
9768     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9769
9770     PrintInfoText("No configuration options available.",
9771                   FONT_TEXT_1, xpos, ypos);
9772
9773     return;
9774   }
9775
9776   // check if there are elements where a value can be chosen for
9777   for (i = 0; elements_with_counter[i].element != -1; i++)
9778   {
9779     if (elements_with_counter[i].element == properties_element)
9780     {
9781       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9782
9783       counterbutton_info[counter_id].y =
9784         ED_ELEMENT_SETTINGS_YPOS(
9785                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9786                 (CAN_GROW(properties_element)                ? 1 : 0) +
9787                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9788                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9789                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9790                 num_element_counters);
9791
9792       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9793       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9794
9795       if (properties_element == EL_GAME_OF_LIFE ||
9796           properties_element == EL_BIOMAZE)
9797       {
9798         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9799         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9800       }
9801       else
9802       {
9803         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9804         counterbutton_info[counter_id].min_value = MIN_SCORE;
9805         counterbutton_info[counter_id].max_value = MAX_SCORE;
9806       }
9807
9808       MapCounterButtons(counter_id);
9809
9810       num_element_counters++;
9811       if (num_element_counters >= max_num_element_counters)
9812         break;
9813     }
9814   }
9815
9816   if (HAS_EDITOR_CONTENT(properties_element))
9817   {
9818     // draw stickybutton gadget
9819     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9820
9821     if (IS_AMOEBOID(properties_element))
9822       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9823     else if (properties_element == EL_YAMYAM ||
9824              properties_element == EL_YAMYAM_LEFT ||
9825              properties_element == EL_YAMYAM_RIGHT ||
9826              properties_element == EL_YAMYAM_UP ||
9827              properties_element == EL_YAMYAM_DOWN)
9828       DrawYamYamContentAreas();
9829     else if (properties_element == EL_EMC_MAGIC_BALL)
9830     {
9831       DrawMagicBallContentAreas();
9832
9833       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9834       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9835     }
9836     else if (properties_element == EL_EMC_ANDROID)
9837       DrawAndroidElementArea(properties_element);
9838   }
9839
9840   if (ELEM_IS_PLAYER(properties_element))
9841   {
9842     int player_nr = GET_PLAYER_NR(properties_element);
9843
9844     // these properties can be set for every player individually
9845
9846     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9847     {
9848       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9849         &level.start_element[player_nr];
9850       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9851         &level.artwork_element[player_nr];
9852       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9853         &level.explosion_element[player_nr];
9854
9855       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9856         &level.use_start_element[player_nr];
9857       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9858         &level.use_artwork_element[player_nr];
9859       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9860         &level.use_explosion_element[player_nr];
9861       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9862         &level.initial_player_gravity[player_nr];
9863
9864       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9865         &level.initial_player_stepsize[player_nr];
9866
9867       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9868       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9869                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9870                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9871       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9872       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9873       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9874       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9875       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9876       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9877       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9878       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9879       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9880       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9881       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9882
9883       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9884       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9885       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9886
9887       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9888     }
9889     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9890     {
9891       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9892         &level.initial_inventory_content[player_nr][0];
9893
9894       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9895         &level.initial_inventory_size[player_nr];
9896
9897       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9898         &level.use_initial_inventory[player_nr];
9899
9900       // draw checkbutton gadgets
9901       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9902
9903       // draw counter gadgets
9904       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9905
9906       // draw drawing area gadgets
9907       DrawPlayerInitialInventoryArea(properties_element);
9908     }
9909   }
9910
9911   if (IS_GEM(properties_element))
9912     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9913
9914   if (properties_element == EL_EM_DYNAMITE)
9915     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9916
9917   if (COULD_MOVE_INTO_ACID(properties_element) &&
9918       !ELEM_IS_PLAYER(properties_element) &&
9919       (!IS_CUSTOM_ELEMENT(properties_element) ||
9920        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9921   {
9922     // set position for checkbutton for "can move into acid"
9923     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9924       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9925     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9926       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9927                                IS_BALLOON_ELEMENT(properties_element) ||
9928                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9929
9930     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9931   }
9932
9933   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9934     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9935
9936   if (properties_element == EL_SPRING)
9937     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9938
9939   if (properties_element == EL_TIME_ORB_FULL)
9940     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9941
9942   if (properties_element == EL_GAME_OF_LIFE ||
9943       properties_element == EL_BIOMAZE)
9944     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
9945
9946   if (CAN_GROW(properties_element))
9947   {
9948     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9949       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9950
9951     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9952   }
9953
9954   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
9955     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
9956
9957   if (properties_element == EL_SOKOBAN_OBJECT)
9958     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
9959
9960   if (properties_element == EL_SOKOBAN_OBJECT ||
9961       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9962       properties_element == EL_SOKOBAN_FIELD_FULL)
9963   {
9964     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
9965       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
9966                                0 : 1);
9967
9968     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9969   }
9970
9971   if (IS_BALLOON_ELEMENT(properties_element))
9972     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9973
9974   if (IS_ENVELOPE(properties_element))
9975   {
9976     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9977     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9978     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9979     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9980     int envelope_nr = properties_element - EL_ENVELOPE_1;
9981
9982     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9983     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9984
9985     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9986     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9987
9988     // display counter to choose size of envelope text area
9989     MapCounterButtons(counter1_id);
9990     MapCounterButtons(counter2_id);
9991
9992     // display checkbuttons to choose auto-wrap and alignment properties
9993     MapCheckbuttonGadget(button1_id);
9994     MapCheckbuttonGadget(button2_id);
9995
9996     DrawEnvelopeTextArea(envelope_nr);
9997   }
9998
9999   if (IS_MM_MCDUFFIN(properties_element))
10000   {
10001     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10002     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10003     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10004   }
10005
10006   if (IS_DF_LASER(properties_element))
10007   {
10008     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10009     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10010     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10011   }
10012
10013   if (IS_CUSTOM_ELEMENT(properties_element))
10014   {
10015     // draw stickybutton gadget
10016     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10017
10018     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10019     {
10020       // draw checkbutton gadgets
10021       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10022            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10023         MapCheckbuttonGadget(i);
10024
10025       // draw counter gadgets
10026       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10027            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10028         MapCounterButtons(i);
10029
10030       // draw selectbox gadgets
10031       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10032            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10033         MapSelectboxGadget(i);
10034
10035       // draw textbutton gadgets
10036       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10037
10038       // draw text input gadgets
10039       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10040
10041       // draw drawing area gadgets
10042       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10043
10044       draw_footer_line = TRUE;
10045     }
10046     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10047     {
10048       // draw checkbutton gadgets
10049       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10050            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10051         MapCheckbuttonGadget(i);
10052
10053       // draw counter gadgets
10054       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10055            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10056         MapCounterButtons(i);
10057
10058       // draw selectbox gadgets
10059       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10060            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10061         MapSelectboxGadget(i);
10062
10063       // draw drawing area gadgets
10064       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10065       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10066       DrawCustomContentArea();
10067     }
10068   }
10069   else if (IS_GROUP_ELEMENT(properties_element))
10070   {
10071     // draw stickybutton gadget
10072     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10073
10074     // draw checkbutton gadgets
10075     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10076     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10077
10078     // draw counter gadgets
10079     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10080
10081     // draw selectbox gadgets
10082     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10083
10084     // draw textbutton gadgets
10085     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10086
10087     // draw drawing area gadgets
10088     DrawGroupElementArea(properties_element);
10089
10090     // draw text input gadgets
10091     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10092
10093     // draw drawing area gadgets
10094     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10095
10096     draw_footer_line = TRUE;
10097   }
10098
10099   // draw little footer border line above CE/GE use/save template gadgets
10100   if (draw_footer_line)
10101   {
10102     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10103     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10104     int gd_x = gd->x + gd_gi1->border.width / 2;
10105     int gd_y = gd->y + gd_gi1->height - 1;
10106     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10107
10108     if (tab_color != BLACK_PIXEL)               // black => transparent
10109       FillRectangle(drawto,
10110                     SX + ED_ELEMENT_SETTINGS_X(0),
10111                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10112                     ED_TAB_BAR_HEIGHT,
10113                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10114   }
10115 }
10116
10117 static void DrawPropertiesChangeDrawingAreas(void)
10118 {
10119   if (IS_CUSTOM_ELEMENT(properties_element))
10120   {
10121     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10122     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10123     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10124
10125     DrawCustomChangeContentArea();
10126   }
10127
10128   redraw_mask |= REDRAW_FIELD;
10129 }
10130
10131 static void DrawPropertiesChange(void)
10132 {
10133   int i;
10134
10135   // needed to initially set selectbox options for special action options
10136   setSelectboxSpecialActionOptions();
10137
10138   // draw stickybutton gadget
10139   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10140
10141   // draw checkbutton gadgets
10142   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10143        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10144     MapCheckbuttonGadget(i);
10145
10146   // draw counter gadgets
10147   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10148        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10149     MapCounterButtons(i);
10150
10151   // draw selectbox gadgets
10152   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10153        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10154     MapSelectboxGadget(i);
10155
10156   // draw textbutton gadgets
10157   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10158        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10159     MapTextbuttonGadget(i);
10160
10161   // draw graphicbutton gadgets
10162   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10163        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10164     MapGraphicbuttonGadget(i);
10165
10166   // draw drawing area gadgets
10167   DrawPropertiesChangeDrawingAreas();
10168 }
10169
10170 static void DrawEditorElementAnimation(int x, int y)
10171 {
10172   int graphic = el2img(properties_element);
10173   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10174                custom_element.ce_value_fixed_initial :
10175                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10176                custom_element.collect_score_initial : FrameCounter);
10177
10178   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10179 }
10180
10181 static void DrawEditorElementName(int x, int y, int font_nr)
10182 {
10183   char *element_name = getElementInfoText(properties_element);
10184   int font_width = getFontWidth(font_nr);
10185   int font_height = getFontHeight(font_nr);
10186   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10187   int max_chars_per_line = max_text_width / font_width;
10188   char buffer[max_chars_per_line + 1];
10189
10190   if (strlen(element_name) <= max_chars_per_line)
10191     DrawTextS(x, y, font_nr, element_name);
10192   else
10193   {
10194     int next_pos = max_chars_per_line;
10195
10196     strncpy(buffer, element_name, max_chars_per_line);
10197     buffer[max_chars_per_line] = '\0';
10198
10199     if (element_name[max_chars_per_line] == ' ')
10200       next_pos++;
10201     else
10202     {
10203       int i;
10204
10205       for (i = max_chars_per_line - 1; i >= 0; i--)
10206         if (buffer[i] == ' ')
10207           break;
10208
10209       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10210       {
10211         buffer[i] = '\0';
10212         next_pos = i + 1;
10213       }
10214     }
10215
10216     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10217
10218     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10219     buffer[max_chars_per_line] = '\0';
10220
10221     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10222   }
10223 }
10224
10225 static void DrawPropertiesWindow(void)
10226 {
10227   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10228   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10229   int border_size = gd->border_size;
10230   int font_nr = FONT_TEXT_1;
10231   int font_height = getFontHeight(font_nr);
10232   int xoffset = TILEX + element_border + 3 * border_size;
10233   int yoffset = (TILEY - font_height) / 2;
10234   int x1 = editor.settings.element_graphic.x + element_border;
10235   int y1 = editor.settings.element_graphic.y + element_border;
10236   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10237             editor.settings.element_name.x);
10238   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10239             editor.settings.element_name.y);
10240   char *text = "Element Settings";
10241   int font2_nr = FONT_TITLE_1;
10242   struct MenuPosInfo *pos = &editor.settings.headline;
10243   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10244   int sy = SY + pos->y;
10245
10246   stick_element_properties_window = FALSE;
10247
10248   // make sure that previous properties edit mode exists for this element
10249   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10250       !IS_CUSTOM_ELEMENT(properties_element))
10251     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10252
10253   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10254       !ELEM_IS_PLAYER(properties_element) &&
10255       !IS_CUSTOM_ELEMENT(properties_element))
10256     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10257
10258   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10259       (ELEM_IS_PLAYER(properties_element) ||
10260        IS_CUSTOM_ELEMENT(properties_element)))
10261     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10262
10263   CopyElementPropertiesToEditor(properties_element);
10264
10265   UnmapLevelEditorFieldGadgets();
10266   UnmapLevelEditorToolboxDrawingGadgets();
10267   UnmapLevelEditorToolboxCustomGadgets();
10268
10269   if (IS_CUSTOM_ELEMENT(properties_element) ||
10270       IS_GROUP_ELEMENT(properties_element))
10271     MapLevelEditorToolboxCustomGadgets();
10272
10273   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10274   ClearField();
10275
10276   DrawText(sx, sy, text, font2_nr);
10277
10278   FrameCounter = 0;     // restart animation frame counter
10279
10280   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10281   DrawEditorElementAnimation(SX + x1, SY + y1);
10282   DrawEditorElementName(x2, y2, font_nr);
10283
10284   DrawPropertiesTabulatorGadgets();
10285
10286   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10287     DrawPropertiesInfo();
10288   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10289     DrawPropertiesChange();
10290   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10291     DrawPropertiesConfig();
10292 }
10293
10294 static void DrawPaletteWindow(void)
10295 {
10296   int i;
10297
10298   UnmapLevelEditorFieldGadgets();
10299
10300   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10301   ClearField();
10302
10303   // map buttons to select elements
10304   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10305     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10306   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10307   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10308   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10309 }
10310
10311 static void UpdateCustomElementGraphicGadgets(void)
10312 {
10313   int i;
10314
10315   InitElementPropertiesGfxElement();
10316
10317   ModifyEditorElementList();
10318   RedrawDrawingElements();
10319
10320   // force redraw of all mapped drawing area gadgets
10321   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10322   {
10323     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10324
10325     if (gi->mapped)
10326       MapDrawingArea(i);
10327   }
10328 }
10329
10330 static int getOpenDirectionFromTube(int element)
10331 {
10332   switch (element)
10333   {
10334     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10335     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10336     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10337     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10338     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10339     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10340     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10341     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10342     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10343     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10344     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10345   }
10346
10347   return MV_NONE;
10348 }
10349
10350 static int getTubeFromOpenDirection(int direction)
10351 {
10352   switch (direction)
10353   {
10354     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10355     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10356     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10357     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10358     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10359     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10360     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10361     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10362     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10363     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10364     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10365
10366     // if only one direction, fall back to simple tube with that direction
10367     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10368     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10369     case (MV_UP):                       return EL_TUBE_VERTICAL;
10370     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10371   }
10372
10373   return EL_EMPTY;
10374 }
10375
10376 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10377 {
10378   int element_new = getTubeFromOpenDirection(direction);
10379
10380   return (element_new != EL_EMPTY ? element_new : element_old);
10381 }
10382
10383 static int getOpenDirectionFromBelt(int element)
10384 {
10385   int belt_dir = getBeltDirFromBeltElement(element);
10386
10387   return (belt_dir == MV_LEFT ? MV_RIGHT :
10388           belt_dir == MV_RIGHT ? MV_LEFT :
10389           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10390 }
10391
10392 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10393 {
10394   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10395                   direction == MV_RIGHT ? MV_LEFT :
10396                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10397
10398   if (direction == MV_NONE)
10399     return EL_EMPTY;
10400
10401   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10402 }
10403
10404 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10405                                                  int element_old)
10406 {
10407   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10408
10409   return (element_new != EL_EMPTY ? element_new : element_old);
10410 }
10411
10412 static int getOpenDirectionFromPool(int element)
10413 {
10414   switch (element)
10415   {
10416     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10417     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10418     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10419     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10420     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10421     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10422   }
10423
10424   return MV_NONE;
10425 }
10426
10427 static int getPoolFromOpenDirection(int direction)
10428 {
10429   switch (direction)
10430   {
10431     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10432     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10433     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10434     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10435     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10436     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10437   }
10438
10439   return EL_EMPTY;
10440 }
10441
10442 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10443 {
10444   int element = getPoolFromOpenDirection(direction);
10445   int help_direction = getOpenDirectionFromPool(help_element);
10446
10447   if (element == EL_EMPTY)
10448   {
10449     int help_direction_vertical = help_direction & MV_VERTICAL;
10450
10451     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10452   }
10453
10454   if (element == EL_EMPTY)
10455   {
10456     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10457
10458     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10459   }
10460
10461   return element;
10462 }
10463
10464 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10465 {
10466   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10467
10468   return (element_new != EL_EMPTY ? element_new : element_old);
10469 }
10470
10471 static int getOpenDirectionFromPillar(int element)
10472 {
10473   switch (element)
10474   {
10475     case EL_EMC_WALL_1:                 return (MV_DOWN);
10476     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10477     case EL_EMC_WALL_3:                 return (MV_UP);
10478   }
10479
10480   return MV_NONE;
10481 }
10482
10483 static int getPillarFromOpenDirection(int direction)
10484 {
10485   switch (direction)
10486   {
10487     case (MV_DOWN):                     return EL_EMC_WALL_1;
10488     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10489     case (MV_UP):                       return EL_EMC_WALL_3;
10490   }
10491
10492   return EL_EMPTY;
10493 }
10494
10495 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10496 {
10497   int element_new = getPillarFromOpenDirection(direction);
10498
10499   return (element_new != EL_EMPTY ? element_new : element_old);
10500 }
10501
10502 static int getOpenDirectionFromSteel2(int element)
10503 {
10504   switch (element)
10505   {
10506     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10507     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10508     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10509     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10510     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10511     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10512     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10513     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10514   }
10515
10516   return MV_NONE;
10517 }
10518
10519 static int getSteel2FromOpenDirection(int direction)
10520 {
10521   switch (direction)
10522   {
10523     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10524     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10525     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10526     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10527     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10528     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10529     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10530     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10531   }
10532
10533   return EL_EMPTY;
10534 }
10535
10536 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10537 {
10538   int element_new = getSteel2FromOpenDirection(direction);
10539
10540   return (element_new != EL_EMPTY ? element_new : element_old);
10541 }
10542
10543 static int getOpenDirectionFromChip(int element)
10544 {
10545   switch (element)
10546   {
10547     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10548     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10549     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10550     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10551     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10552   }
10553
10554   return MV_NONE;
10555 }
10556
10557 static int getChipFromOpenDirection(int direction)
10558 {
10559   switch (direction)
10560   {
10561     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10562     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10563     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10564     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10565     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10566   }
10567
10568   return EL_EMPTY;
10569 }
10570
10571 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10572 {
10573   int element_new = getChipFromOpenDirection(direction);
10574
10575   return (element_new != EL_EMPTY ? element_new : element_old);
10576 }
10577
10578 static int getClosedTube(int x, int y)
10579 {
10580   static int xy[4][2] =
10581   {
10582     { -1, 0 },
10583     { +1, 0 },
10584     { 0, -1 },
10585     { 0, +1 }
10586   };
10587   int element_old = IntelliDrawBuffer[x][y];
10588   int direction_old = getOpenDirectionFromTube(element_old);
10589   int direction_new = MV_NONE;
10590   int i;
10591
10592   for (i = 0; i < NUM_DIRECTIONS; i++)
10593   {
10594     int xx = x + xy[i][0];
10595     int yy = y + xy[i][1];
10596     int dir = MV_DIR_FROM_BIT(i);
10597     int dir_opposite = MV_DIR_OPPOSITE(dir);
10598
10599     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10600         (direction_old & dir) &&
10601         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10602       direction_new |= dir;
10603   }
10604
10605   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10606 }
10607
10608 static int getClosedBelt(int x, int y)
10609 {
10610   static int xy[4][2] =
10611   {
10612     { -1, 0 },
10613     { +1, 0 },
10614     { 0, -1 },
10615     { 0, +1 }
10616   };
10617   int element_old = IntelliDrawBuffer[x][y];
10618   int nr = getBeltNrFromBeltElement(element_old);
10619   int direction_old = getOpenDirectionFromBelt(element_old);
10620   int direction_new = MV_NONE;
10621   int i;
10622
10623   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10624   {
10625     int xx = x + xy[i][0];
10626     int yy = y + xy[i][1];
10627     int dir = MV_DIR_FROM_BIT(i);
10628     int dir_opposite = MV_DIR_OPPOSITE(dir);
10629
10630     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10631         (direction_old & dir) &&
10632         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10633       direction_new |= dir;
10634   }
10635
10636   return getBeltFromNrAndOpenDirection(nr, direction_new);
10637 }
10638
10639 static int getClosedPool(int x, int y)
10640 {
10641   static int xy[4][2] =
10642   {
10643     { -1, 0 },
10644     { +1, 0 },
10645     { 0, -1 },
10646     { 0, +1 }
10647   };
10648   int element_old = IntelliDrawBuffer[x][y];
10649   int direction_old = getOpenDirectionFromPool(element_old);
10650   int direction_new = MV_NONE;
10651   int i;
10652
10653   for (i = 0; i < NUM_DIRECTIONS; i++)
10654   {
10655     int xx = x + xy[i][0];
10656     int yy = y + xy[i][1];
10657     int dir = MV_DIR_FROM_BIT(i);
10658     int dir_opposite = MV_DIR_OPPOSITE(dir);
10659
10660     if (IN_LEV_FIELD(xx, yy) &&
10661         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10662         (direction_old & dir) &&
10663         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10664       direction_new |= dir;
10665   }
10666
10667   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10668 }
10669
10670 static int getClosedPillar(int x, int y)
10671 {
10672   static int xy[4][2] =
10673   {
10674     { -1, 0 },
10675     { +1, 0 },
10676     { 0, -1 },
10677     { 0, +1 }
10678   };
10679   int element_old = IntelliDrawBuffer[x][y];
10680   int direction_old = getOpenDirectionFromPillar(element_old);
10681   int direction_new = MV_NONE;
10682   int i;
10683
10684   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10685   {
10686     int xx = x + xy[i][0];
10687     int yy = y + xy[i][1];
10688     int dir = MV_DIR_FROM_BIT(i);
10689     int dir_opposite = MV_DIR_OPPOSITE(dir);
10690
10691     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10692         (direction_old & dir) &&
10693         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10694       direction_new |= dir;
10695   }
10696
10697   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10698 }
10699
10700 static int getClosedSteel2(int x, int y)
10701 {
10702   static int xy[4][2] =
10703   {
10704     { -1, 0 },
10705     { +1, 0 },
10706     { 0, -1 },
10707     { 0, +1 }
10708   };
10709   int element_old = IntelliDrawBuffer[x][y];
10710   int direction_old = getOpenDirectionFromSteel2(element_old);
10711   int direction_new = MV_NONE;
10712   int i;
10713
10714   for (i = 0; i < NUM_DIRECTIONS; i++)
10715   {
10716     int xx = x + xy[i][0];
10717     int yy = y + xy[i][1];
10718     int dir = MV_DIR_FROM_BIT(i);
10719     int dir_opposite = MV_DIR_OPPOSITE(dir);
10720
10721     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10722         (direction_old & dir) &&
10723         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10724       direction_new |= dir;
10725   }
10726
10727   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10728 }
10729
10730 static int getClosedChip(int x, int y)
10731 {
10732   static int xy[4][2] =
10733   {
10734     { -1, 0 },
10735     { +1, 0 },
10736     { 0, -1 },
10737     { 0, +1 }
10738   };
10739   int element_old = IntelliDrawBuffer[x][y];
10740   int direction_old = getOpenDirectionFromChip(element_old);
10741   int direction_new = MV_NONE;
10742   int i;
10743
10744   for (i = 0; i < NUM_DIRECTIONS; i++)
10745   {
10746     int xx = x + xy[i][0];
10747     int yy = y + xy[i][1];
10748     int dir = MV_DIR_FROM_BIT(i);
10749     int dir_opposite = MV_DIR_OPPOSITE(dir);
10750
10751     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10752         (direction_old & dir) &&
10753         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10754       direction_new |= dir;
10755   }
10756
10757   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10758 }
10759
10760 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10761                                 boolean change_level)
10762 {
10763   int sx = x - level_xpos;
10764   int sy = y - level_ypos;
10765   int old_element = Feld[x][y];
10766   int new_element = element;
10767   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10768   boolean draw_masked = FALSE;
10769
10770   if (IS_MM_WALL_EDITOR(element))
10771   {
10772     element = map_mm_wall_element_editor(element) | new_bitmask;
10773
10774     if (IS_MM_WALL(old_element))
10775       element |= MM_WALL_BITS(old_element);
10776
10777     if (!change_level)
10778       draw_masked = TRUE;
10779   }
10780   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10781   {
10782     int element_changed = old_element & ~new_bitmask;
10783
10784     if (MM_WALL_BITS(element_changed) != 0)
10785       element = element_changed;
10786   }
10787
10788   IntelliDrawBuffer[x][y] = element;
10789
10790   if (change_level)
10791     Feld[x][y] = element;
10792
10793   if (IN_ED_FIELD(sx, sy))
10794   {
10795     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10796       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10797     else if (draw_masked)
10798       DrawEditorElementThruMask(sx, sy, element);
10799     else
10800       DrawEditorElement(sx, sy, element);
10801   }
10802 }
10803
10804 static void SetElementSimple(int x, int y, int element, boolean change_level)
10805 {
10806   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10807 }
10808
10809 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10810                                            int x2, int y2, int *element2,
10811                                            int (*close_function)(int, int),
10812                                            boolean change_level)
10813 {
10814   // set neighbour elements to newly determined connections
10815   SetElementSimple(x1, y1, *element1, change_level);
10816   SetElementSimple(x2, y2, *element2, change_level);
10817
10818   // remove all open connections of neighbour elements
10819   *element1 = close_function(x1, y1);
10820   *element2 = close_function(x2, y2);
10821
10822   // set neighbour elements to new, minimized connections
10823   SetElementSimple(x1, y1, *element1, change_level);
10824   SetElementSimple(x2, y2, *element2, change_level);
10825 }
10826
10827 static void SetElementIntelliDraw(int x, int y, int new_element,
10828                                   boolean change_level, int button)
10829 {
10830   static int xy[4][2] =
10831   {
10832     { -1, 0 },
10833     { +1, 0 },
10834     { 0, -1 },
10835     { 0, +1 }
10836   };
10837   static int last_x = -1;
10838   static int last_y = -1;
10839   int old_element = IntelliDrawBuffer[x][y];
10840
10841   if (new_element == EL_UNDEFINED)
10842   {
10843     last_x = -1;
10844     last_y = -1;
10845
10846     return;
10847   }
10848
10849   if (IS_TUBE(new_element))
10850   {
10851     int last_element_new = EL_UNDEFINED;
10852     int direction = MV_NONE;
10853     int i;
10854
10855     // if old element is of same kind, keep all existing directions
10856     if (IS_TUBE(old_element))
10857       direction |= getOpenDirectionFromTube(old_element);
10858
10859     for (i = 0; i < NUM_DIRECTIONS; i++)
10860     {
10861       int xx = x + xy[i][0];
10862       int yy = y + xy[i][1];
10863
10864       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10865           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10866       {
10867         int dir = MV_DIR_FROM_BIT(i);
10868         int dir_opposite = MV_DIR_OPPOSITE(dir);
10869         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10870         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10871         int last_direction_new = last_direction_old | dir_opposite;
10872
10873         last_element_new = getTubeFromOpenDirection(last_direction_new);
10874
10875         direction |= dir;
10876       }
10877     }
10878
10879     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10880
10881     if (last_element_new != EL_UNDEFINED)
10882       MergeAndCloseNeighbourElements(x, y, &new_element,
10883                                      last_x, last_y, &last_element_new,
10884                                      getClosedTube, change_level);
10885   }
10886   else if (IS_BELT(new_element))
10887   {
10888     int belt_nr = getBeltNrFromBeltElement(new_element);
10889     int last_element_new = EL_UNDEFINED;
10890     int direction = MV_NONE;
10891     int i;
10892
10893     // if old element is of same kind, keep all existing directions
10894     if (IS_BELT(old_element))
10895       direction |= getOpenDirectionFromBelt(old_element);
10896
10897     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10898     {
10899       int xx = x + xy[i][0];
10900       int yy = y + xy[i][1];
10901
10902       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10903           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10904       {
10905         int dir = MV_DIR_FROM_BIT(i);
10906         int dir_opposite = MV_DIR_OPPOSITE(dir);
10907         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10908         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10909         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10910         int last_direction_new = last_direction_old | dir_opposite;
10911
10912         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10913                                                          last_direction_new);
10914         direction |= dir;
10915       }
10916     }
10917
10918     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10919                                                         new_element);
10920     if (last_element_new != EL_UNDEFINED)
10921       MergeAndCloseNeighbourElements(x, y, &new_element,
10922                                      last_x, last_y, &last_element_new,
10923                                      getClosedBelt, change_level);
10924   }
10925   else if (IS_ACID_POOL_OR_ACID(new_element))
10926   {
10927     int last_element_new = EL_UNDEFINED;
10928     int direction = MV_NONE;
10929     int i;
10930
10931     // if old element is of same kind, keep all existing directions
10932     if (IS_ACID_POOL_OR_ACID(old_element))
10933       direction |= getOpenDirectionFromPool(old_element);
10934
10935     for (i = 0; i < NUM_DIRECTIONS; i++)
10936     {
10937       int xx = x + xy[i][0];
10938       int yy = y + xy[i][1];
10939
10940       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10941           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10942       {
10943         int dir = MV_DIR_FROM_BIT(i);
10944         int dir_opposite = MV_DIR_OPPOSITE(dir);
10945         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10946         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10947         int last_direction_new = last_direction_old | dir_opposite;
10948
10949         last_element_new = getPoolFromOpenDirection(last_direction_new);
10950
10951         direction |= dir;
10952       }
10953     }
10954
10955     // special corrections needed for intuitively correct acid pool drawing
10956     if (last_element_new == EL_EMPTY)
10957       last_element_new = new_element;
10958     else if (last_element_new != EL_UNDEFINED)
10959       new_element = last_element_new;
10960
10961     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10962
10963     if (last_element_new != EL_UNDEFINED)
10964       MergeAndCloseNeighbourElements(x, y, &new_element,
10965                                      last_x, last_y, &last_element_new,
10966                                      getClosedPool, change_level);
10967   }
10968   else if (IS_EMC_PILLAR(new_element))
10969   {
10970     int last_element_new = EL_UNDEFINED;
10971     int direction = MV_NONE;
10972     int i;
10973
10974     // if old element is of same kind, keep all existing directions
10975     if (IS_EMC_PILLAR(old_element))
10976       direction |= getOpenDirectionFromPillar(old_element);
10977
10978     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10979     {
10980       int xx = x + xy[i][0];
10981       int yy = y + xy[i][1];
10982
10983       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10984           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10985       {
10986         int dir = MV_DIR_FROM_BIT(i);
10987         int dir_opposite = MV_DIR_OPPOSITE(dir);
10988         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10989         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10990         int last_direction_new = last_direction_old | dir_opposite;
10991
10992         last_element_new = getPillarFromOpenDirection(last_direction_new);
10993
10994         direction |= dir;
10995       }
10996     }
10997
10998     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10999
11000     if (last_element_new != EL_UNDEFINED)
11001       MergeAndCloseNeighbourElements(x, y, &new_element,
11002                                      last_x, last_y, &last_element_new,
11003                                      getClosedPillar, change_level);
11004   }
11005   else if (IS_DC_STEELWALL_2(new_element))
11006   {
11007     int last_element_new = EL_UNDEFINED;
11008     int direction = MV_NONE;
11009     int i;
11010
11011     // if old element is of same kind, keep all existing directions
11012     if (IS_DC_STEELWALL_2(old_element))
11013       direction |= getOpenDirectionFromSteel2(old_element);
11014
11015     for (i = 0; i < NUM_DIRECTIONS; i++)
11016     {
11017       int xx = x + xy[i][0];
11018       int yy = y + xy[i][1];
11019
11020       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11021           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11022       {
11023         int dir = MV_DIR_FROM_BIT(i);
11024         int dir_opposite = MV_DIR_OPPOSITE(dir);
11025         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11026         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11027         int last_direction_new = last_direction_old | dir_opposite;
11028
11029         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11030
11031         direction |= dir;
11032       }
11033     }
11034
11035     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11036
11037     if (last_element_new != EL_UNDEFINED)
11038       MergeAndCloseNeighbourElements(x, y, &new_element,
11039                                      last_x, last_y, &last_element_new,
11040                                      getClosedSteel2, change_level);
11041   }
11042   else if (IS_SP_CHIP(new_element))
11043   {
11044     int last_element_new = EL_UNDEFINED;
11045     int direction = MV_NONE;
11046     int i;
11047
11048     // (do not keep existing directions, regardless of kind of old element)
11049
11050     for (i = 0; i < NUM_DIRECTIONS; i++)
11051     {
11052       int xx = x + xy[i][0];
11053       int yy = y + xy[i][1];
11054
11055       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11056           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11057       {
11058         int dir = MV_DIR_FROM_BIT(i);
11059         int dir_opposite = MV_DIR_OPPOSITE(dir);
11060         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11061         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11062         int last_direction_new = last_direction_old | dir_opposite;
11063
11064         if (last_direction_old == MV_NONE)
11065         {
11066           last_element_new = getChipFromOpenDirection(last_direction_new);
11067           direction |= dir;
11068         }
11069         else if (last_direction_old & (dir | dir_opposite))
11070         {
11071           direction |= MV_DIR_OPPOSITE(last_direction_old);
11072         }
11073         else
11074         {
11075           direction |= MV_DIR_OPPOSITE(dir);
11076         }
11077       }
11078     }
11079
11080     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11081
11082     if (last_element_new != EL_UNDEFINED)
11083       MergeAndCloseNeighbourElements(x, y, &new_element,
11084                                      last_x, last_y, &last_element_new,
11085                                      getClosedChip, change_level);
11086   }
11087   else if (IS_SP_HARDWARE_BASE(new_element))
11088   {
11089     int nr = GetSimpleRandom(6);
11090
11091     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11092                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11093                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11094                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11095                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11096   }
11097   else if (new_element == EL_SP_HARDWARE_GREEN ||
11098            new_element == EL_SP_HARDWARE_BLUE ||
11099            new_element == EL_SP_HARDWARE_RED)
11100   {
11101     int nr = GetSimpleRandom(3);
11102
11103     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11104                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11105   }
11106   else if (IS_GROUP_ELEMENT(new_element))
11107   {
11108     boolean connected_drawing = FALSE;
11109     int i;
11110
11111     for (i = 0; i < NUM_DIRECTIONS; i++)
11112     {
11113       int xx = x + xy[i][0];
11114       int yy = y + xy[i][1];
11115
11116       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11117           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11118         connected_drawing = TRUE;
11119     }
11120
11121     if (!connected_drawing)
11122       ResolveGroupElement(new_element);
11123
11124     new_element = GetElementFromGroupElement(new_element);
11125   }
11126   else if (IS_BELT_SWITCH(old_element))
11127   {
11128     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11129     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11130
11131     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11132                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11133
11134     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11135   }
11136   else
11137   {
11138     static int swappable_elements[][2] =
11139     {
11140       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11141       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11142       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11143       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11144       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11145       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11146       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11147       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11148       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11149       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11150       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11151       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11152       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11153       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11154       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11155       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11156       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11157       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11158       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11159       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11160       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11161       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11162       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11163       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11164       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11165       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11166       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11167       { EL_PEARL,                       EL_WALL_PEARL                   },
11168       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11169       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11170       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11171       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11172       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11173       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11174       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11175       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11176       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11177       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11178       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11179       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11180       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11181       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11182       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11183       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11184
11185       { -1,                             -1                              },
11186     };
11187     static int rotatable_elements_4[][4] =
11188     {
11189       {
11190         EL_BUG_UP,
11191         EL_BUG_RIGHT,
11192         EL_BUG_DOWN,
11193         EL_BUG_LEFT
11194       },
11195       {
11196         EL_SPACESHIP_UP,
11197         EL_SPACESHIP_RIGHT,
11198         EL_SPACESHIP_DOWN,
11199         EL_SPACESHIP_LEFT
11200       },
11201       {
11202         EL_BD_BUTTERFLY_UP,
11203         EL_BD_BUTTERFLY_RIGHT,
11204         EL_BD_BUTTERFLY_DOWN,
11205         EL_BD_BUTTERFLY_LEFT
11206       },
11207       {
11208         EL_BD_FIREFLY_UP,
11209         EL_BD_FIREFLY_RIGHT,
11210         EL_BD_FIREFLY_DOWN,
11211         EL_BD_FIREFLY_LEFT
11212       },
11213       {
11214         EL_PACMAN_UP,
11215         EL_PACMAN_RIGHT,
11216         EL_PACMAN_DOWN,
11217         EL_PACMAN_LEFT
11218       },
11219       {
11220         EL_YAMYAM_UP,
11221         EL_YAMYAM_RIGHT,
11222         EL_YAMYAM_DOWN,
11223         EL_YAMYAM_LEFT
11224       },
11225       {
11226         EL_ARROW_UP,
11227         EL_ARROW_RIGHT,
11228         EL_ARROW_DOWN,
11229         EL_ARROW_LEFT
11230       },
11231       {
11232         EL_SP_PORT_UP,
11233         EL_SP_PORT_RIGHT,
11234         EL_SP_PORT_DOWN,
11235         EL_SP_PORT_LEFT
11236       },
11237       {
11238         EL_SP_GRAVITY_PORT_UP,
11239         EL_SP_GRAVITY_PORT_RIGHT,
11240         EL_SP_GRAVITY_PORT_DOWN,
11241         EL_SP_GRAVITY_PORT_LEFT
11242       },
11243       {
11244         EL_SP_GRAVITY_ON_PORT_UP,
11245         EL_SP_GRAVITY_ON_PORT_RIGHT,
11246         EL_SP_GRAVITY_ON_PORT_DOWN,
11247         EL_SP_GRAVITY_ON_PORT_LEFT
11248       },
11249       {
11250         EL_SP_GRAVITY_OFF_PORT_UP,
11251         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11252         EL_SP_GRAVITY_OFF_PORT_DOWN,
11253         EL_SP_GRAVITY_OFF_PORT_LEFT
11254       },
11255       {
11256         EL_MOLE_UP,
11257         EL_MOLE_RIGHT,
11258         EL_MOLE_DOWN,
11259         EL_MOLE_LEFT
11260       },
11261       {
11262         EL_BALLOON_SWITCH_UP,
11263         EL_BALLOON_SWITCH_RIGHT,
11264         EL_BALLOON_SWITCH_DOWN,
11265         EL_BALLOON_SWITCH_LEFT
11266       },
11267       {
11268         EL_MM_MCDUFFIN_UP,
11269         EL_MM_MCDUFFIN_RIGHT,
11270         EL_MM_MCDUFFIN_DOWN,
11271         EL_MM_MCDUFFIN_LEFT
11272       },
11273       {
11274         EL_MM_MIRROR_FIXED_1,
11275         EL_MM_MIRROR_FIXED_4,
11276         EL_MM_MIRROR_FIXED_3,
11277         EL_MM_MIRROR_FIXED_2
11278       },
11279       {
11280         EL_MM_STEEL_GRID_FIXED_1,
11281         EL_MM_STEEL_GRID_FIXED_4,
11282         EL_MM_STEEL_GRID_FIXED_2,
11283         EL_MM_STEEL_GRID_FIXED_3
11284       },
11285       {
11286         EL_MM_WOODEN_GRID_FIXED_1,
11287         EL_MM_WOODEN_GRID_FIXED_4,
11288         EL_MM_WOODEN_GRID_FIXED_2,
11289         EL_MM_WOODEN_GRID_FIXED_3
11290       },
11291       {
11292         EL_MM_POLARIZER_CROSS_1,
11293         EL_MM_POLARIZER_CROSS_4,
11294         EL_MM_POLARIZER_CROSS_3,
11295         EL_MM_POLARIZER_CROSS_2
11296       },
11297       {
11298         EL_MM_PACMAN_UP,
11299         EL_MM_PACMAN_RIGHT,
11300         EL_MM_PACMAN_DOWN,
11301         EL_MM_PACMAN_LEFT
11302       },
11303       {
11304         EL_DF_LASER_UP,
11305         EL_DF_LASER_RIGHT,
11306         EL_DF_LASER_DOWN,
11307         EL_DF_LASER_LEFT
11308       },
11309       {
11310         EL_DF_RECEIVER_UP,
11311         EL_DF_RECEIVER_RIGHT,
11312         EL_DF_RECEIVER_DOWN,
11313         EL_DF_RECEIVER_LEFT
11314       },
11315
11316       {
11317         -1,
11318       },
11319     };
11320     static int rotatable_elements_8[][8] =
11321     {
11322       {
11323         EL_DF_STEEL_GRID_FIXED_1,
11324         EL_DF_STEEL_GRID_FIXED_8,
11325         EL_DF_STEEL_GRID_FIXED_7,
11326         EL_DF_STEEL_GRID_FIXED_6,
11327         EL_DF_STEEL_GRID_FIXED_5,
11328         EL_DF_STEEL_GRID_FIXED_4,
11329         EL_DF_STEEL_GRID_FIXED_3,
11330         EL_DF_STEEL_GRID_FIXED_2
11331       },
11332       {
11333         EL_DF_WOODEN_GRID_FIXED_1,
11334         EL_DF_WOODEN_GRID_FIXED_8,
11335         EL_DF_WOODEN_GRID_FIXED_7,
11336         EL_DF_WOODEN_GRID_FIXED_6,
11337         EL_DF_WOODEN_GRID_FIXED_5,
11338         EL_DF_WOODEN_GRID_FIXED_4,
11339         EL_DF_WOODEN_GRID_FIXED_3,
11340         EL_DF_WOODEN_GRID_FIXED_2
11341       },
11342       {
11343         EL_DF_STEEL_GRID_ROTATING_1,
11344         EL_DF_STEEL_GRID_ROTATING_8,
11345         EL_DF_STEEL_GRID_ROTATING_7,
11346         EL_DF_STEEL_GRID_ROTATING_6,
11347         EL_DF_STEEL_GRID_ROTATING_5,
11348         EL_DF_STEEL_GRID_ROTATING_4,
11349         EL_DF_STEEL_GRID_ROTATING_3,
11350         EL_DF_STEEL_GRID_ROTATING_2
11351       },
11352       {
11353         EL_DF_WOODEN_GRID_ROTATING_1,
11354         EL_DF_WOODEN_GRID_ROTATING_8,
11355         EL_DF_WOODEN_GRID_ROTATING_7,
11356         EL_DF_WOODEN_GRID_ROTATING_6,
11357         EL_DF_WOODEN_GRID_ROTATING_5,
11358         EL_DF_WOODEN_GRID_ROTATING_4,
11359         EL_DF_WOODEN_GRID_ROTATING_3,
11360         EL_DF_WOODEN_GRID_ROTATING_2
11361       },
11362
11363       {
11364         -1,
11365       },
11366     };
11367     static int rotatable_elements_16[][16] =
11368     {
11369       {
11370         EL_MM_MIRROR_1,
11371         EL_MM_MIRROR_16,
11372         EL_MM_MIRROR_15,
11373         EL_MM_MIRROR_14,
11374         EL_MM_MIRROR_13,
11375         EL_MM_MIRROR_12,
11376         EL_MM_MIRROR_11,
11377         EL_MM_MIRROR_10,
11378         EL_MM_MIRROR_9,
11379         EL_MM_MIRROR_8,
11380         EL_MM_MIRROR_7,
11381         EL_MM_MIRROR_6,
11382         EL_MM_MIRROR_5,
11383         EL_MM_MIRROR_4,
11384         EL_MM_MIRROR_3,
11385         EL_MM_MIRROR_2
11386       },
11387       {
11388         EL_MM_TELEPORTER_5,
11389         EL_MM_TELEPORTER_4,
11390         EL_MM_TELEPORTER_3,
11391         EL_MM_TELEPORTER_2,
11392         EL_MM_TELEPORTER_1,
11393         EL_MM_TELEPORTER_16,
11394         EL_MM_TELEPORTER_15,
11395         EL_MM_TELEPORTER_14,
11396         EL_MM_TELEPORTER_13,
11397         EL_MM_TELEPORTER_12,
11398         EL_MM_TELEPORTER_11,
11399         EL_MM_TELEPORTER_10,
11400         EL_MM_TELEPORTER_9,
11401         EL_MM_TELEPORTER_8,
11402         EL_MM_TELEPORTER_7,
11403         EL_MM_TELEPORTER_6
11404       },
11405       {
11406         EL_MM_TELEPORTER_RED_5,
11407         EL_MM_TELEPORTER_RED_4,
11408         EL_MM_TELEPORTER_RED_3,
11409         EL_MM_TELEPORTER_RED_2,
11410         EL_MM_TELEPORTER_RED_1,
11411         EL_MM_TELEPORTER_RED_16,
11412         EL_MM_TELEPORTER_RED_15,
11413         EL_MM_TELEPORTER_RED_14,
11414         EL_MM_TELEPORTER_RED_13,
11415         EL_MM_TELEPORTER_RED_12,
11416         EL_MM_TELEPORTER_RED_11,
11417         EL_MM_TELEPORTER_RED_10,
11418         EL_MM_TELEPORTER_RED_9,
11419         EL_MM_TELEPORTER_RED_8,
11420         EL_MM_TELEPORTER_RED_7,
11421         EL_MM_TELEPORTER_RED_6
11422       },
11423       {
11424         EL_MM_TELEPORTER_YELLOW_5,
11425         EL_MM_TELEPORTER_YELLOW_4,
11426         EL_MM_TELEPORTER_YELLOW_3,
11427         EL_MM_TELEPORTER_YELLOW_2,
11428         EL_MM_TELEPORTER_YELLOW_1,
11429         EL_MM_TELEPORTER_YELLOW_16,
11430         EL_MM_TELEPORTER_YELLOW_15,
11431         EL_MM_TELEPORTER_YELLOW_14,
11432         EL_MM_TELEPORTER_YELLOW_13,
11433         EL_MM_TELEPORTER_YELLOW_12,
11434         EL_MM_TELEPORTER_YELLOW_11,
11435         EL_MM_TELEPORTER_YELLOW_10,
11436         EL_MM_TELEPORTER_YELLOW_9,
11437         EL_MM_TELEPORTER_YELLOW_8,
11438         EL_MM_TELEPORTER_YELLOW_7,
11439         EL_MM_TELEPORTER_YELLOW_6
11440       },
11441       {
11442         EL_MM_TELEPORTER_GREEN_5,
11443         EL_MM_TELEPORTER_GREEN_4,
11444         EL_MM_TELEPORTER_GREEN_3,
11445         EL_MM_TELEPORTER_GREEN_2,
11446         EL_MM_TELEPORTER_GREEN_1,
11447         EL_MM_TELEPORTER_GREEN_16,
11448         EL_MM_TELEPORTER_GREEN_15,
11449         EL_MM_TELEPORTER_GREEN_14,
11450         EL_MM_TELEPORTER_GREEN_13,
11451         EL_MM_TELEPORTER_GREEN_12,
11452         EL_MM_TELEPORTER_GREEN_11,
11453         EL_MM_TELEPORTER_GREEN_10,
11454         EL_MM_TELEPORTER_GREEN_9,
11455         EL_MM_TELEPORTER_GREEN_8,
11456         EL_MM_TELEPORTER_GREEN_7,
11457         EL_MM_TELEPORTER_GREEN_6
11458       },
11459       {
11460         EL_MM_TELEPORTER_BLUE_5,
11461         EL_MM_TELEPORTER_BLUE_4,
11462         EL_MM_TELEPORTER_BLUE_3,
11463         EL_MM_TELEPORTER_BLUE_2,
11464         EL_MM_TELEPORTER_BLUE_1,
11465         EL_MM_TELEPORTER_BLUE_16,
11466         EL_MM_TELEPORTER_BLUE_15,
11467         EL_MM_TELEPORTER_BLUE_14,
11468         EL_MM_TELEPORTER_BLUE_13,
11469         EL_MM_TELEPORTER_BLUE_12,
11470         EL_MM_TELEPORTER_BLUE_11,
11471         EL_MM_TELEPORTER_BLUE_10,
11472         EL_MM_TELEPORTER_BLUE_9,
11473         EL_MM_TELEPORTER_BLUE_8,
11474         EL_MM_TELEPORTER_BLUE_7,
11475         EL_MM_TELEPORTER_BLUE_6
11476       },
11477       {
11478         EL_MM_POLARIZER_1,
11479         EL_MM_POLARIZER_16,
11480         EL_MM_POLARIZER_15,
11481         EL_MM_POLARIZER_14,
11482         EL_MM_POLARIZER_13,
11483         EL_MM_POLARIZER_12,
11484         EL_MM_POLARIZER_11,
11485         EL_MM_POLARIZER_10,
11486         EL_MM_POLARIZER_9,
11487         EL_MM_POLARIZER_8,
11488         EL_MM_POLARIZER_7,
11489         EL_MM_POLARIZER_6,
11490         EL_MM_POLARIZER_5,
11491         EL_MM_POLARIZER_4,
11492         EL_MM_POLARIZER_3,
11493         EL_MM_POLARIZER_2
11494       },
11495       {
11496         EL_DF_MIRROR_1,
11497         EL_DF_MIRROR_16,
11498         EL_DF_MIRROR_15,
11499         EL_DF_MIRROR_14,
11500         EL_DF_MIRROR_13,
11501         EL_DF_MIRROR_12,
11502         EL_DF_MIRROR_11,
11503         EL_DF_MIRROR_10,
11504         EL_DF_MIRROR_9,
11505         EL_DF_MIRROR_8,
11506         EL_DF_MIRROR_7,
11507         EL_DF_MIRROR_6,
11508         EL_DF_MIRROR_5,
11509         EL_DF_MIRROR_4,
11510         EL_DF_MIRROR_3,
11511         EL_DF_MIRROR_2
11512       },
11513       {
11514         EL_DF_MIRROR_ROTATING_1,
11515         EL_DF_MIRROR_ROTATING_16,
11516         EL_DF_MIRROR_ROTATING_15,
11517         EL_DF_MIRROR_ROTATING_14,
11518         EL_DF_MIRROR_ROTATING_13,
11519         EL_DF_MIRROR_ROTATING_12,
11520         EL_DF_MIRROR_ROTATING_11,
11521         EL_DF_MIRROR_ROTATING_10,
11522         EL_DF_MIRROR_ROTATING_9,
11523         EL_DF_MIRROR_ROTATING_8,
11524         EL_DF_MIRROR_ROTATING_7,
11525         EL_DF_MIRROR_ROTATING_6,
11526         EL_DF_MIRROR_ROTATING_5,
11527         EL_DF_MIRROR_ROTATING_4,
11528         EL_DF_MIRROR_ROTATING_3,
11529         EL_DF_MIRROR_ROTATING_2
11530       },
11531
11532       {
11533         -1,
11534       },
11535     };
11536     int i, j;
11537
11538     for (i = 0; swappable_elements[i][0] != -1; i++)
11539     {
11540       int element1 = swappable_elements[i][0];
11541       int element2 = swappable_elements[i][1];
11542
11543       if (old_element == element1 || old_element == element2)
11544         new_element = (old_element == element1 ? element2 : element1);
11545     }
11546
11547     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11548     {
11549       for (j = 0; j < 4; j++)
11550       {
11551         int element = rotatable_elements_4[i][j];
11552
11553         if (old_element == element)
11554           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11555                          button == 2 ? rotatable_elements_4[i][0]           :
11556                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11557                          old_element);
11558       }
11559     }
11560
11561     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11562     {
11563       for (j = 0; j < 8; j++)
11564       {
11565         int element = rotatable_elements_8[i][j];
11566
11567         if (old_element == element)
11568           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11569                          button == 2 ? rotatable_elements_8[i][0]           :
11570                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11571                          old_element);
11572       }
11573     }
11574
11575     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11576     {
11577       for (j = 0; j < 16; j++)
11578       {
11579         int element = rotatable_elements_16[i][j];
11580
11581         if (old_element == element)
11582           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11583                          button == 2 ? rotatable_elements_16[i][0]             :
11584                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11585                          old_element);
11586       }
11587     }
11588
11589     if (old_element != new_element)
11590     {
11591       int max_infotext_len = getMaxInfoTextLength();
11592       char infotext[MAX_OUTPUT_LINESIZE + 1];
11593
11594       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11595       infotext[max_infotext_len] = '\0';
11596
11597       ClearEditorGadgetInfoText();
11598
11599       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11600                 infotext);
11601     }
11602   }
11603
11604   SetElementSimple(x, y, new_element, change_level);
11605
11606   last_x = x;
11607   last_y = y;
11608 }
11609
11610 static void ResetIntelliDraw(void)
11611 {
11612   int x, y;
11613
11614   for (x = 0; x < lev_fieldx; x++)
11615     for (y = 0; y < lev_fieldy; y++)
11616       IntelliDrawBuffer[x][y] = Feld[x][y];
11617
11618   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11619 }
11620
11621 static boolean draw_mode_hires = FALSE;
11622
11623 static void SetDrawModeHiRes(int element)
11624 {
11625   draw_mode_hires =
11626     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11627      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11628 }
11629
11630 static boolean getDrawModeHiRes(void)
11631 {
11632   return draw_mode_hires;
11633 }
11634
11635 static int getLoResScreenPos(int pos)
11636 {
11637   return (getDrawModeHiRes() ? pos / 2 : pos);
11638 }
11639
11640 static int getLoResScreenMod(int pos)
11641 {
11642   return (getDrawModeHiRes() ? pos % 2 : 0);
11643 }
11644
11645 static void SetElementExt(int x, int y, int dx, int dy, int element,
11646                           boolean change_level, int button)
11647 {
11648   if (element < 0)
11649     SetElementSimple(x, y, Feld[x][y], change_level);
11650   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11651     SetElementIntelliDraw(x, y, element, change_level, button);
11652   else
11653     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11654 }
11655
11656 static void SetElement(int x, int y, int element)
11657 {
11658   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11659 }
11660
11661 static void SetElementButton(int x, int y, int dx, int dy, int element,
11662                              int button)
11663 {
11664   SetElementExt(x, y, dx, dy, element, TRUE, button);
11665 }
11666
11667 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11668 {
11669   int lx = getLoResScreenPos(sx2) + level_xpos;
11670   int ly = getLoResScreenPos(sy2) + level_ypos;
11671   int dx = getLoResScreenMod(sx2);
11672   int dy = getLoResScreenMod(sy2);
11673
11674   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11675 }
11676
11677 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11678 {
11679   int lx = lx2 / 2;
11680   int ly = ly2 / 2;
11681   int dx = lx2 % 2;
11682   int dy = ly2 % 2;
11683
11684   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11685 }
11686
11687 static int getLevelElementHiRes(int lx2, int ly2)
11688 {
11689   int lx = lx2 / 2;
11690   int ly = ly2 / 2;
11691   int dx = lx2 % 2;
11692   int dy = ly2 % 2;
11693   int element = Feld[lx][ly];
11694   unsigned int bitmask = (dx + 1) << (dy * 2);
11695
11696   if (IS_MM_WALL(element))
11697   {
11698     if (element & bitmask)
11699       return map_mm_wall_element(element);
11700     else
11701       return EL_EMPTY;
11702   }
11703
11704   return element;
11705 }
11706
11707 static void DrawLineElement(int x, int y, int element, boolean change_level)
11708 {
11709   SetElementHiRes(x, y, element, change_level);
11710 }
11711
11712 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11713                      int element, boolean change_level)
11714 {
11715   int xsize = ABS(to_x - from_x);
11716   int ysize = ABS(to_y - from_y);
11717   int dx = (to_x < from_x ? -1 : +1);
11718   int dy = (to_y < from_y ? -1 : +1);
11719   int i;
11720
11721   if (from_y == to_y)                   // horizontal line
11722   {
11723     for (i = 0; i <= xsize; i++)
11724       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11725   }
11726   else if (from_x == to_x)              // vertical line
11727   {
11728     for (i = 0; i <= ysize; i++)
11729       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11730   }
11731   else                                  // diagonal line
11732   {
11733     if (ysize < xsize)                  // a < 1
11734     {
11735       float a = (float)ysize / (float)xsize;
11736
11737       for (i = 0; i <= xsize; i++)
11738       {
11739         int x = dx * i;
11740         int y = dy * (int)(a * i + 0.5);
11741
11742         DrawLineElement(from_x + x, from_y + y, element, change_level);
11743       }
11744     }
11745     else                                // a >= 1
11746     {
11747       float a = (float)xsize / (float)ysize;
11748
11749       for (i = 0; i <= ysize; i++)
11750       {
11751         int x = dx * (int)(a * i + 0.5);
11752         int y = dy * i;
11753
11754         DrawLineElement(from_x + x, from_y + y, element, change_level);
11755       }
11756     }
11757   }
11758 }
11759
11760 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11761                     int element, boolean change_level)
11762 {
11763   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11764   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11765   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11766   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11767 }
11768
11769 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11770                           int element, boolean change_level)
11771 {
11772   int y;
11773
11774   if (from_y > to_y)
11775     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11776
11777   for (y = from_y; y <= to_y; y++)
11778     DrawLine(from_x, y, to_x, y, element, change_level);
11779 }
11780
11781 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11782                        int element, boolean change_level)
11783 {
11784   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11785   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11786   int len_x = ABS(to_x - from_x);
11787   int len_y = ABS(to_y - from_y);
11788   int radius, x, y;
11789
11790   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11791
11792   // not optimal (some points get drawn twice) but simple,
11793   // and fast enough for the few points we are drawing
11794
11795   for (x = 0; x <= radius; x++)
11796   {
11797     int sx, sy, sx2, sy2, lx, ly;
11798
11799     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11800
11801     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11802     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11803     sx = getLoResScreenPos(sx2);
11804     sy = getLoResScreenPos(sy2);
11805     lx = sx + level_xpos;
11806     ly = sy + level_ypos;
11807
11808     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11809       DrawLineElement(sx2, sy2, element, change_level);
11810   }
11811
11812   for (y = 0; y <= radius; y++)
11813   {
11814     int sx, sy, sx2, sy2, lx, ly;
11815
11816     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11817
11818     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11819     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11820     sx = getLoResScreenPos(sx2);
11821     sy = getLoResScreenPos(sy2);
11822     lx = sx + level_xpos;
11823     ly = sy + level_ypos;
11824
11825     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11826       DrawLineElement(sx2, sy2, element, change_level);
11827   }
11828 }
11829
11830 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11831                     int element, boolean change_level)
11832 {
11833   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11834   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11835
11836   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11837 }
11838
11839 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11840
11841 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11842 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11843                        int element, boolean change_level)
11844 {
11845   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11846   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11847   int mirror_to_x2 = from_x - (to_x2 - from_x);
11848   int mirror_to_y2 = from_y - (to_y2 - from_y);
11849
11850   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11851   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11852   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11853   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11854 }
11855 #endif
11856
11857 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11858 {
11859   int from_sx, from_sy;
11860   int to_sx, to_sy;
11861
11862   if (from_x > to_x)
11863     swap_numbers(&from_x, &to_x);
11864
11865   if (from_y > to_y)
11866     swap_numbers(&from_y, &to_y);
11867
11868   from_sx = SX + from_x * ed_tilesize;
11869   from_sy = SY + from_y * ed_tilesize;
11870   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11871   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11872
11873   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11874   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11875   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11876   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11877
11878   if (from_x == to_x && from_y == to_y)
11879     MarkTileDirty(from_x/2, from_y/2);
11880   else
11881     redraw_mask |= REDRAW_FIELD;
11882 }
11883
11884 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11885                         int element, boolean change_level)
11886 {
11887   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11888 }
11889
11890 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11891                        int element, boolean change_level)
11892 {
11893   if (element == -1 || change_level)
11894     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11895   else
11896     DrawAreaBorder(from_x, from_y, to_x, to_y);
11897 }
11898
11899 // values for CopyBrushExt()
11900 #define CB_AREA_TO_BRUSH                0
11901 #define CB_BRUSH_TO_CURSOR              1
11902 #define CB_BRUSH_TO_LEVEL               2
11903 #define CB_DELETE_OLD_CURSOR            3
11904 #define CB_DUMP_BRUSH                   4
11905 #define CB_DUMP_BRUSH_SMALL             5
11906 #define CB_CLIPBOARD_TO_BRUSH           6
11907 #define CB_BRUSH_TO_CLIPBOARD           7
11908 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
11909 #define CB_UPDATE_BRUSH_POSITION        9
11910
11911 #define MAX_CB_PART_SIZE        10
11912 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
11913 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
11914 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
11915                                  MAX_CB_NUM_LINES *     \
11916                                  MAX_CB_PART_SIZE)
11917
11918 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11919 {
11920   DrawLineElement(sx, sy, element, change_level);
11921 }
11922
11923 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11924                          int button, int mode)
11925 {
11926   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11927   static int brush_width, brush_height;
11928   static int last_cursor_x = -1, last_cursor_y = -1;
11929   static boolean delete_old_brush = FALSE;
11930   int new_element = BUTTON_ELEMENT(button);
11931   int x, y;
11932
11933   if (mode == CB_DUMP_BRUSH ||
11934       mode == CB_DUMP_BRUSH_SMALL ||
11935       mode == CB_BRUSH_TO_CLIPBOARD ||
11936       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
11937   {
11938     if (edit_mode != ED_MODE_DRAWING)
11939       return;
11940
11941     char part[MAX_CB_PART_SIZE + 1] = "";
11942     char text[MAX_CB_TEXT_SIZE + 1] = "";
11943     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
11944     int height = (draw_with_brush ? brush_height : lev_fieldy);
11945
11946     for (y = 0; y < height; y++)
11947     {
11948       for (x = 0; x < width; x++)
11949       {
11950         int element = (draw_with_brush ? brush_buffer[x][y] : Feld[x][y]);
11951         int element_mapped = element;
11952         char *prefix = (mode == CB_DUMP_BRUSH ||
11953                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
11954
11955         if (IS_CUSTOM_ELEMENT(element))
11956           element_mapped = EL_CUSTOM_START;
11957         else if (IS_GROUP_ELEMENT(element))
11958           element_mapped = EL_GROUP_START;
11959         else if (element >= NUM_FILE_ELEMENTS)
11960           element_mapped = EL_UNKNOWN;
11961
11962         // copy brush to level sketch text buffer for the R'n'D forum:
11963         // - large tiles: `xxx (0x60 ASCII)
11964         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11965         snprintf(part, MAX_CB_PART_SIZE + 1, "%s%03d", prefix, element_mapped);
11966         strcat(text, part);
11967       }
11968
11969       strcat(text, "\n");
11970     }
11971
11972     if (mode == CB_BRUSH_TO_CLIPBOARD ||
11973         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
11974       SDL_SetClipboardText(text);
11975     else
11976       printf("%s", text);
11977
11978     return;
11979   }
11980
11981   if (mode == CB_CLIPBOARD_TO_BRUSH)
11982   {
11983     if (edit_mode != ED_MODE_DRAWING)
11984       return;
11985
11986     if (!SDL_HasClipboardText())
11987     {
11988       Request("Clipboard is empty!", REQ_CONFIRM);
11989
11990       return;
11991     }
11992
11993     boolean copy_to_brush = (draw_with_brush ||
11994                              drawing_function == GADGET_ID_GRAB_BRUSH);
11995
11996     // this will delete the old brush, if already drawing with a brush
11997     if (copy_to_brush)
11998       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
11999
12000     // initialization is required for "odd" (incomplete) clipboard content
12001     for (x = 0; x < MAX_LEV_FIELDX; x++)
12002       for (y = 0; y < MAX_LEV_FIELDY; y++)
12003         brush_buffer[x][y] = EL_EMPTY;
12004
12005     brush_width  = 0;
12006     brush_height = 0;
12007     x = 0;
12008     y = 0;
12009
12010     char *clipboard_text = SDL_GetClipboardText();
12011     char *ptr = clipboard_text;
12012     boolean stop = FALSE;
12013
12014     while (*ptr && !stop)
12015     {
12016       boolean prefix_found = FALSE;
12017
12018       // level sketch element number prefixes (may be multi-byte characters)
12019       char *prefix_list[] = { "`", "¸" };
12020       int i;
12021
12022       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12023       {
12024         char *prefix = prefix_list[i];
12025
12026         // check if string is large enough for prefix
12027         if (strlen(ptr) < strlen(prefix))
12028         {
12029           stop = TRUE;
12030
12031           break;
12032         }
12033
12034         // check if string starts with prefix
12035         if (strPrefix(ptr, prefix))
12036         {
12037           ptr += strlen(prefix);
12038
12039           prefix_found = TRUE;
12040
12041           break;
12042         }
12043       }
12044
12045       // continue with next character if prefix not found
12046       if (!prefix_found)
12047       {
12048         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12049
12050         continue;
12051       }
12052
12053       // continue with next character if prefix not found
12054       if (strlen(ptr) < 3)
12055         break;
12056
12057       if (ptr[0] >= '0' && ptr[0] <= '9' &&
12058           ptr[1] >= '0' && ptr[1] <= '9' &&
12059           ptr[2] >= '0' && ptr[2] <= '9')
12060       {
12061         int element = ((ptr[0] - '0') * 100 +
12062                        (ptr[1] - '0') * 10 +
12063                        (ptr[2] - '0'));
12064
12065         ptr += 3;
12066
12067         if (element >= NUM_FILE_ELEMENTS)
12068           element = EL_UNKNOWN;
12069
12070         brush_buffer[x][y] = element;
12071
12072         brush_width  = MAX(x + 1, brush_width);
12073         brush_height = MAX(y + 1, brush_height);
12074
12075         x++;
12076
12077         if (x >= MAX_LEV_FIELDX || *ptr == '\n')
12078         {
12079           x = 0;
12080           y++;
12081
12082           if (y >= MAX_LEV_FIELDY)
12083             stop = TRUE;
12084         }
12085       }
12086     }
12087
12088     SDL_free(clipboard_text);
12089
12090     if (brush_width == 0 || brush_height == 0)
12091     {
12092       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12093
12094       return;
12095     }
12096
12097     if (copy_to_brush)
12098     {
12099       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12100       int mx, my;
12101
12102       SDL_GetMouseState(&mx, &my);
12103
12104       // if inside drawing area, activate and draw brush at last mouse position
12105       if (mx >= gi->x && mx < gi->x + gi->width &&
12106           my >= gi->y && my < gi->y + gi->height)
12107         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12108
12109       draw_with_brush = TRUE;
12110     }
12111     else
12112     {
12113       char request[100];
12114
12115       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12116               brush_width, brush_height);
12117
12118       if (!Request(request, REQ_ASK))
12119         return;
12120
12121       for (x = 0; x < MAX_LEV_FIELDX; x++)
12122         for (y = 0; y < MAX_LEV_FIELDY; y++)
12123           Feld[x][y] = brush_buffer[x][y];
12124
12125       lev_fieldx = level.fieldx = brush_width;
12126       lev_fieldy = level.fieldy = brush_height;
12127
12128       SetBorderElement();
12129
12130       DrawEditModeWindow();
12131       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12132     }
12133
12134     return;
12135   }
12136
12137   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12138     return;
12139
12140   if (mode == CB_AREA_TO_BRUSH)
12141   {
12142     int from_lx, from_ly;
12143
12144     if (from_x > to_x)
12145       swap_numbers(&from_x, &to_x);
12146
12147     if (from_y > to_y)
12148       swap_numbers(&from_y, &to_y);
12149
12150     brush_width = to_x - from_x + 1;
12151     brush_height = to_y - from_y + 1;
12152
12153     from_lx = from_x + level_xpos;
12154     from_ly = from_y + level_ypos;
12155
12156     for (y = 0; y < brush_height; y++)
12157     {
12158       for (x = 0; x < brush_width; x++)
12159       {
12160         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
12161
12162         if (button != 1)
12163           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12164       }
12165     }
12166
12167     if (button != 1)
12168       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12169
12170     delete_old_brush = FALSE;
12171   }
12172   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12173            mode == CB_BRUSH_TO_LEVEL)
12174   {
12175     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12176     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12177     int cursor_from_x = cursor_x - brush_width / 2;
12178     int cursor_from_y = cursor_y - brush_height / 2;
12179     int border_from_x = cursor_x, border_from_y = cursor_y;
12180     int border_to_x = cursor_x, border_to_y = cursor_y;
12181
12182     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12183       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12184
12185     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12186         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12187     {
12188       delete_old_brush = FALSE;
12189
12190       return;
12191     }
12192
12193     for (y = 0; y < brush_height; y++)
12194     {
12195       for (x = 0; x < brush_width; x++)
12196       {
12197         int sx = cursor_from_x + x;
12198         int sy = cursor_from_y + y;
12199         int lx = sx + level_xpos;
12200         int ly = sy + level_ypos;
12201         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12202         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12203                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12204                        brush_buffer[x][y] : new_element);
12205
12206         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12207         {
12208           if (sx < border_from_x)
12209             border_from_x = sx;
12210           else if (sx > border_to_x)
12211             border_to_x = sx;
12212           if (sy < border_from_y)
12213             border_from_y = sy;
12214           else if (sy > border_to_y)
12215             border_to_y = sy;
12216
12217           DrawBrushElement(sx, sy, element, change_level);
12218         }
12219       }
12220     }
12221
12222     if (mode != CB_DELETE_OLD_CURSOR)
12223       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12224
12225     last_cursor_x = cursor_x;
12226     last_cursor_y = cursor_y;
12227
12228     delete_old_brush = TRUE;
12229   }
12230
12231   if (mode == CB_UPDATE_BRUSH_POSITION)
12232   {
12233     last_cursor_x = from_x;
12234     last_cursor_y = from_y;
12235   }
12236 }
12237
12238 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12239                             int button)
12240 {
12241   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12242 }
12243
12244 static void CopyBrushToLevel(int x, int y, int button)
12245 {
12246   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12247 }
12248
12249 static void CopyBrushToCursor(int x, int y)
12250 {
12251   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12252 }
12253
12254 static void UpdateBrushPosition(int x, int y)
12255 {
12256   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12257 }
12258
12259 static void DeleteBrushFromCursor(void)
12260 {
12261   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12262 }
12263
12264 void DumpBrush(void)
12265 {
12266   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12267 }
12268
12269 void DumpBrush_Small(void)
12270 {
12271   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12272 }
12273
12274 void CopyClipboardToBrush(void)
12275 {
12276   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12277 }
12278
12279 void CopyBrushToClipboard(void)
12280 {
12281   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12282 }
12283
12284 void CopyBrushToClipboard_Small(void)
12285 {
12286   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12287 }
12288
12289 static void FloodFill(int from_x, int from_y, int fill_element)
12290 {
12291   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
12292 }
12293
12294 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12295 {
12296   int from_x = from_sx2 + 2 * level_xpos;
12297   int from_y = from_sy2 + 2 * level_ypos;
12298   int max_fillx = lev_fieldx * 2;
12299   int max_filly = lev_fieldy * 2;
12300   short FillFeld[max_fillx][max_filly];
12301   int x, y;
12302
12303   for (x = 0; x < max_fillx; x++)
12304     for (y = 0; y < max_filly; y++)
12305       FillFeld[x][y] = getLevelElementHiRes(x, y);
12306
12307   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12308                     FillFeld, max_fillx, max_filly);
12309
12310   for (x = 0; x < max_fillx; x++)
12311     for (y = 0; y < max_filly; y++)
12312       if (FillFeld[x][y] == fill_element)
12313         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12314 }
12315
12316 // values for DrawLevelText() modes
12317 #define TEXT_INIT               0
12318 #define TEXT_SETCURSOR          1
12319 #define TEXT_WRITECHAR          2
12320 #define TEXT_BACKSPACE          3
12321 #define TEXT_NEWLINE            4
12322 #define TEXT_END                5
12323 #define TEXT_QUERY_TYPING       6
12324
12325 static int DrawLevelText(int sx, int sy, char letter, int mode)
12326 {
12327   static short delete_buffer[MAX_LEV_FIELDX];
12328   static int start_sx;
12329   static int last_sx, last_sy;
12330   static boolean typing = FALSE;
12331   int letter_element = EL_CHAR_ASCII0 + letter;
12332   int lx = 0, ly = 0;
12333
12334   // map lower case letters to upper case and convert special characters
12335   if (letter >= 'a' && letter <= 'z')
12336     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12337   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12338     letter_element = EL_CHAR_AUMLAUT;
12339   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12340     letter_element = EL_CHAR_OUMLAUT;
12341   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12342     letter_element = EL_CHAR_UUMLAUT;
12343   else if (letter == '^')
12344     letter_element = EL_CHAR_COPYRIGHT;
12345   else
12346     letter_element = EL_CHAR_ASCII0 + letter;
12347
12348   if (mode != TEXT_INIT)
12349   {
12350     if (!typing)
12351       return FALSE;
12352
12353     if (mode != TEXT_SETCURSOR)
12354     {
12355       sx = last_sx;
12356       sy = last_sy;
12357     }
12358
12359     lx = last_sx + level_xpos;
12360     ly = last_sy + level_ypos;
12361   }
12362
12363   switch (mode)
12364   {
12365     case TEXT_INIT:
12366       if (typing)
12367         DrawLevelText(0, 0, 0, TEXT_END);
12368
12369       typing = TRUE;
12370       start_sx = sx;
12371       last_sx = sx;
12372       last_sy = sy;
12373       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12374       break;
12375
12376     case TEXT_SETCURSOR:
12377       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12378       DrawAreaBorder(sx, sy, sx, sy);
12379       last_sx = sx;
12380       last_sy = sy;
12381       break;
12382
12383     case TEXT_WRITECHAR:
12384       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12385       {
12386         if (new_element1 >= EL_STEEL_CHAR_START &&
12387             new_element1 <= EL_STEEL_CHAR_END)
12388           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12389
12390         delete_buffer[sx - start_sx] = Feld[lx][ly];
12391         Feld[lx][ly] = letter_element;
12392
12393         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12394           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12395         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12396           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12397         else
12398           DrawLevelText(0, 0, 0, TEXT_END);
12399
12400         level.changed = TRUE;
12401       }
12402       break;
12403
12404     case TEXT_BACKSPACE:
12405       if (sx > start_sx)
12406       {
12407         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12408         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12409         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12410       }
12411       break;
12412
12413     case TEXT_NEWLINE:
12414       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12415         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12416       else
12417         DrawLevelText(0, 0, 0, TEXT_END);
12418       break;
12419
12420     case TEXT_END:
12421       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12422       DrawEditorElement(sx, sy, Feld[lx][ly]);
12423       typing = FALSE;
12424       break;
12425
12426     case TEXT_QUERY_TYPING:
12427       break;
12428
12429     default:
12430       break;
12431   }
12432
12433   return typing;
12434 }
12435
12436 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12437                           int element, boolean change_level)
12438 {
12439   int lx = sx + level_xpos;
12440   int ly = sy + level_ypos;
12441
12442   if (element == -1)
12443     DrawEditorElement(sx, sy, Feld[lx][ly]);
12444   else
12445     DrawAreaBorder(sx, sy, sx, sy);
12446 }
12447
12448 static void CheckLevelBorderElement(boolean redraw_playfield)
12449 {
12450   int last_border_element = BorderElement;
12451
12452   SetBorderElement();
12453
12454   if (redraw_playfield && BorderElement != last_border_element)
12455     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12456 }
12457
12458 static void CopyLevelToUndoBuffer(int mode)
12459 {
12460   static boolean accumulated_undo = FALSE;
12461   boolean new_undo_buffer_position = TRUE;
12462   int x, y;
12463
12464   if (undo_buffer_steps == 0)
12465     accumulated_undo = FALSE;
12466
12467   switch (mode)
12468   {
12469     case UNDO_IMMEDIATE:
12470       accumulated_undo = FALSE;
12471       break;
12472
12473     case UNDO_ACCUMULATE:
12474       if (accumulated_undo)
12475         new_undo_buffer_position = FALSE;
12476       accumulated_undo = TRUE;
12477       break;
12478
12479     default:
12480       break;
12481   }
12482
12483   if (new_undo_buffer_position)
12484   {
12485     // advance position in undo buffer ring
12486     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12487
12488     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12489       undo_buffer_steps++;
12490   }
12491
12492   // always reset redo buffer when storing level change into undo buffer
12493   redo_buffer_steps = 0;
12494
12495   for (x = 0; x < lev_fieldx; x++)
12496     for (y = 0; y < lev_fieldy; y++)
12497       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12498
12499   // check if drawing operation forces change of border style
12500   CheckLevelBorderElement(TRUE);
12501
12502   level.changed = TRUE;
12503 }
12504
12505 static void RandomPlacement(int new_element)
12506 {
12507   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12508   int num_free_positions = 0;
12509   int num_percentage, num_elements;
12510   int x, y;
12511
12512   ResetIntelliDraw();
12513
12514   // determine number of free positions for randomly placing the new element
12515   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12516   {
12517     free_position[x][y] =
12518       (random_placement_background_restricted ?
12519        Feld[x][y] == random_placement_background_element :
12520        Feld[x][y] != new_element);
12521
12522     if (free_position[x][y])
12523       num_free_positions++;
12524   }
12525
12526   // determine number of new elements to place there
12527   num_percentage = num_free_positions * random_placement_value / 100;
12528   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12529                   num_percentage : random_placement_value);
12530
12531   // if less free positions than elements to place, fill all these positions
12532   if (num_free_positions < num_elements)
12533   {
12534     for (x = 0; x < lev_fieldx; x++)
12535       for (y = 0; y < lev_fieldy; y++)
12536         if (free_position[x][y])
12537           SetElement(x, y, new_element);
12538   }
12539   else
12540   {
12541     while (num_elements > 0)
12542     {
12543       x = GetSimpleRandom(lev_fieldx);
12544       y = GetSimpleRandom(lev_fieldy);
12545
12546       // don't place element at the same position twice
12547       if (free_position[x][y])
12548       {
12549         free_position[x][y] = FALSE;
12550         SetElement(x, y, new_element);
12551         num_elements--;
12552       }
12553     }
12554   }
12555
12556   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12557   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12558 }
12559
12560 static void WrapLevel(int dx, int dy)
12561 {
12562   int wrap_dx = lev_fieldx - dx;
12563   int wrap_dy = lev_fieldy - dy;
12564   int x, y;
12565
12566   for (x = 0; x < lev_fieldx; x++)
12567     for (y = 0; y < lev_fieldy; y++)
12568       FieldBackup[x][y] = Feld[x][y];
12569
12570   for (x = 0; x < lev_fieldx; x++)
12571     for (y = 0; y < lev_fieldy; y++)
12572       Feld[x][y] =
12573         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12574
12575   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12576   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12577 }
12578
12579 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12580 {
12581   char *template_filename_old = getLocalLevelTemplateFilename();
12582   char *template_filename_new =
12583     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12584
12585   if (copyFile(template_filename_old, template_filename_new) != 0)
12586     Request("Cannot copy level template!", REQ_CONFIRM);
12587
12588   free(template_filename_new);
12589 }
12590
12591 static void HandleDrawingAreas(struct GadgetInfo *gi)
12592 {
12593   static boolean started_inside_drawing_area = FALSE;
12594   static int last_sx = -1, last_sy = -1;
12595   static int last_sx2 = -1, last_sy2 = -1;
12596   int id = gi->custom_id;
12597   int type_id = gi->custom_type_id;
12598   boolean button_press_event;
12599   boolean button_release_event;
12600   boolean inside_drawing_area = !gi->event.off_borders;
12601   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12602   int actual_drawing_function;
12603   int button = gi->event.button;
12604   int new_element = BUTTON_ELEMENT(button);
12605   int sx = gi->event.x, sy = gi->event.y;
12606   int min_sx = 0, min_sy = 0;
12607   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12608   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12609   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12610   int sx2 = gi->event.mx / mini_item_xsize;
12611   int sy2 = gi->event.my / mini_item_ysize;
12612   int dx = sx2 % 2;
12613   int dy = sy2 % 2;
12614   int lx = 0, ly = 0;
12615   int min_lx = 0, min_ly = 0;
12616   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12617   int x, y;
12618
12619   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12620   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12621
12622   // make sure to stay inside drawing area boundaries
12623   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12624   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12625
12626   if (draw_level)
12627   {
12628     // get positions inside level field
12629     lx = sx + level_xpos;
12630     ly = sy + level_ypos;
12631
12632     if (!IN_LEV_FIELD(lx, ly))
12633       inside_drawing_area = FALSE;
12634
12635     // make sure to stay inside level field boundaries
12636     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12637     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12638
12639     // correct drawing area positions accordingly
12640     sx = lx - level_xpos;
12641     sy = ly - level_ypos;
12642   }
12643
12644   // also correct MM wall-sized (double) drawing area positions accordingly
12645   if (sx2 / 2 < sx || sx2 / 2 > sx)
12646   {
12647     dx = (sx2 / 2 < sx ? 0 : 1);
12648     sx2 = sx * 2 + dx;
12649   }
12650   if (sy2 / 2 < sy || sy2 / 2 > sy)
12651   {
12652     dy = (sy2 / 2 < sy ? 0 : 1);
12653     sy2 = sy * 2 + dy;
12654   }
12655
12656   if (button_release_event)
12657   {
12658     last_sx = -1;
12659     last_sy = -1;
12660     last_sx2 = -1;
12661     last_sy2 = -1;
12662   }
12663   else if (!button_press_event)
12664   {
12665     // prevent handling events for every pixel position when moving mouse
12666     if ((sx == last_sx && sy == last_sy &&
12667          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12668         (sx2 == last_sx2 && sy2 == last_sy2))
12669       return;
12670   }
12671
12672   last_sx = sx;
12673   last_sy = sy;
12674   last_sx2 = sx2;
12675   last_sy2 = sy2;
12676
12677   if (button_press_event)
12678     started_inside_drawing_area = inside_drawing_area;
12679
12680   if (!started_inside_drawing_area)
12681     return;
12682
12683   if (!IS_VALID_BUTTON(button))
12684     return;
12685
12686   if (!button && !button_release_event)
12687     return;
12688
12689   // handle info callback for each invocation of action callback
12690   gi->callback_info(gi);
12691
12692   // automatically switch to 'single item' drawing mode, if needed
12693   actual_drawing_function =
12694     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12695      drawing_function : GADGET_ID_SINGLE_ITEMS);
12696
12697   // clicking into drawing area with pressed Control key picks element
12698   if (GetKeyModState() & KMOD_Control)
12699   {
12700     last_drawing_function = drawing_function;
12701     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12702   }
12703
12704   if (GetKeyModState() & KMOD_Shift)
12705   {
12706     if (button_press_event || button_release_event)
12707       ResetIntelliDraw();
12708   }
12709
12710   SetDrawModeHiRes(-1);         // reset to normal draw mode
12711
12712   switch (actual_drawing_function)
12713   {
12714     case GADGET_ID_SINGLE_ITEMS:
12715       if (draw_level)
12716       {
12717         if (button_release_event)
12718         {
12719           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12720
12721           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12722               !inside_drawing_area)
12723             DeleteBrushFromCursor();
12724         }
12725
12726         if (!button || button_release_event)
12727           break;
12728
12729         if (draw_with_brush)
12730         {
12731           CopyBrushToLevel(sx, sy, button);
12732         }
12733         else
12734         {
12735           SetDrawModeHiRes(new_element);
12736
12737           if (new_element == EL_PLAYER_1)
12738           {
12739             // remove player at old position
12740             for (y = 0; y < lev_fieldy; y++)
12741               for (x = 0; x < lev_fieldx; x++)
12742                 if (Feld[x][y] == EL_PLAYER_1)
12743                   SetElement(x, y, EL_EMPTY);
12744           }
12745
12746           SetElementButton(lx, ly, dx, dy, new_element, button);
12747         }
12748       }
12749       else if (!button_release_event)
12750       {
12751         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12752
12753         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12754           DrawMiniGraphicExt(drawto,
12755                              gi->x + sx * MINI_TILEX,
12756                              gi->y + sy * MINI_TILEY,
12757                              el2edimg(new_element));
12758         else
12759           DrawFixedGraphicExt(drawto,
12760                               gi->x + sx * TILEX,
12761                               gi->y + sy * TILEY,
12762                               el2edimg(new_element), 0);
12763
12764         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12765           new_element = GFX_ELEMENT(new_element);
12766
12767         drawingarea_info[type_id].value[pos] = new_element;
12768
12769         CopyElementPropertiesToGame(properties_element);
12770
12771         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12772         {
12773           UpdateCustomElementGraphicGadgets();
12774
12775           FrameCounter = 0;     // restart animation frame counter
12776         }
12777       }
12778       break;
12779
12780     case GADGET_ID_CONNECTED_ITEMS:
12781       {
12782         static int last_sx = -1;
12783         static int last_sy = -1;
12784
12785         if (button_release_event)
12786           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12787
12788         if (button)
12789         {
12790           SetDrawModeHiRes(new_element);
12791
12792           if (getDrawModeHiRes())
12793           {
12794             sx = sx2;
12795             sy = sy2;
12796           }
12797
12798           if (!button_press_event)
12799             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12800
12801           last_sx = sx;
12802           last_sy = sy;
12803         }
12804       }
12805       break;
12806
12807     case GADGET_ID_LINE:
12808     case GADGET_ID_ARC:
12809     case GADGET_ID_RECTANGLE:
12810     case GADGET_ID_FILLED_BOX:
12811       SetDrawModeHiRes(new_element);
12812
12813       if (getDrawModeHiRes())
12814       {
12815         sx = sx2;
12816         sy = sy2;
12817       }
12818       // FALLTHROUGH
12819     case GADGET_ID_GRAB_BRUSH:
12820     case GADGET_ID_TEXT:
12821       {
12822         static int last_sx = -1;
12823         static int last_sy = -1;
12824         static int start_sx = -1;
12825         static int start_sy = -1;
12826         void (*draw_func)(int, int, int, int, int, boolean);
12827
12828         if (drawing_function == GADGET_ID_LINE)
12829           draw_func = DrawLine;
12830         else if (drawing_function == GADGET_ID_ARC)
12831           draw_func = DrawArc;
12832         else if (drawing_function == GADGET_ID_RECTANGLE)
12833           draw_func = DrawBox;
12834         else if (drawing_function == GADGET_ID_FILLED_BOX)
12835           draw_func = DrawFilledBox;
12836         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12837           draw_func = SelectArea;
12838         else // (drawing_function == GADGET_ID_TEXT)
12839           draw_func = SetTextCursor;
12840
12841         if (button_press_event)
12842         {
12843           draw_func(sx, sy, sx, sy, new_element, FALSE);
12844           start_sx = last_sx = sx;
12845           start_sy = last_sy = sy;
12846
12847           if (drawing_function == GADGET_ID_TEXT)
12848             DrawLevelText(0, 0, 0, TEXT_END);
12849         }
12850         else if (button_release_event)
12851         {
12852           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12853           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12854           {
12855             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12856             CopyBrushToCursor(sx, sy);
12857             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12858                           MB_LEFTBUTTON);
12859             draw_with_brush = TRUE;
12860           }
12861           else if (drawing_function == GADGET_ID_TEXT)
12862             DrawLevelText(sx, sy, 0, TEXT_INIT);
12863           else
12864             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12865         }
12866         else if (last_sx != sx || last_sy != sy)
12867         {
12868           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12869           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
12870             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12871           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12872           last_sx = sx;
12873           last_sy = sy;
12874         }
12875       }
12876       break;
12877
12878     case GADGET_ID_FLOOD_FILL:
12879       if (button_press_event && Feld[lx][ly] != new_element)
12880       {
12881         if (IS_MM_WALL_EDITOR(new_element))
12882           FloodFillWall_MM(sx2, sy2, new_element);
12883         else
12884           FloodFill(lx, ly, new_element);
12885
12886         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12887         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12888       }
12889       break;
12890
12891     case GADGET_ID_PICK_ELEMENT:
12892       if (button_release_event)
12893         ClickOnGadget(level_editor_gadget[last_drawing_function],
12894                       MB_LEFTBUTTON);
12895       else if (draw_level)
12896         PickDrawingElement(button, Feld[lx][ly]);
12897       else
12898       {
12899         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12900
12901         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12902       }
12903
12904     default:
12905       break;
12906   }
12907
12908   // do not mark level as modified for certain non-level-changing gadgets
12909   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12910        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12911       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12912       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12913     return;
12914
12915   level.changed = TRUE;
12916 }
12917
12918 static void HandleCounterButtons(struct GadgetInfo *gi)
12919 {
12920   int gadget_id = gi->custom_id;
12921   int counter_id = gi->custom_type_id;
12922   int button = gi->event.button;
12923   int *counter_value = counterbutton_info[counter_id].value;
12924   int step = BUTTON_STEPSIZE(button) *
12925     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12926
12927   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12928   {
12929     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12930     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12931     boolean level_changed = LevelChanged();
12932
12933     if ((level_changed && pressed) || (!level_changed && released))
12934       return;
12935
12936     if (level_changed && !Request("Level has changed! Discard changes?",
12937                                   REQ_ASK))
12938     {
12939       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12940         ModifyEditorCounterValue(counter_id, *counter_value);
12941
12942       return;
12943     }
12944   }
12945
12946   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12947     *counter_value = gi->textinput.number_value;
12948   else
12949     ModifyEditorCounterValue(counter_id, *counter_value + step);
12950
12951   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12952   {
12953     int last_game_engine_type = level.game_engine_type;
12954
12955     LoadLevel(level_nr);
12956     LoadScore(level_nr);
12957
12958     SaveLevelSetup_SeriesInfo();
12959
12960     TapeErase();
12961
12962     ResetUndoBuffer();
12963     DrawEditModeWindow();
12964
12965     if (level.game_engine_type != last_game_engine_type)
12966     {
12967       // update element selection list
12968       ReinitializeElementList();
12969       ModifyEditorElementList();
12970     }
12971
12972     return;
12973   }
12974
12975   switch (counter_id)
12976   {
12977     case ED_COUNTER_ID_YAMYAM_CONTENT:
12978       DrawYamYamContentAreas();
12979       break;
12980
12981     case ED_COUNTER_ID_BALL_CONTENT:
12982       DrawMagicBallContentAreas();
12983       break;
12984
12985     case ED_COUNTER_ID_ANDROID_CONTENT:
12986       DrawAndroidElementArea(properties_element);
12987       break;
12988
12989     case ED_COUNTER_ID_GROUP_CONTENT:
12990       DrawGroupElementArea(properties_element);
12991       CopyGroupElementPropertiesToGame(properties_element);
12992       break;
12993
12994     case ED_COUNTER_ID_INVENTORY_SIZE:
12995       DrawPlayerInitialInventoryArea(properties_element);
12996       break;
12997
12998     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12999     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13000       DrawEnvelopeTextArea(-1);
13001       break;
13002
13003     case ED_COUNTER_ID_LEVEL_XSIZE:
13004     case ED_COUNTER_ID_LEVEL_YSIZE:
13005       lev_fieldx = level.fieldx;
13006       lev_fieldy = level.fieldy;
13007
13008       // check if resizing of level results in change of border border
13009       SetBorderElement();
13010
13011       break;
13012
13013     default:
13014       break;
13015   }
13016
13017   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13018        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13019       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13020        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13021     CopyElementPropertiesToGame(properties_element);
13022
13023   // do not mark level as modified for certain non-level-changing gadgets
13024   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13025        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13026       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13027        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13028     return;
13029
13030   level.changed = TRUE;
13031 }
13032
13033 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13034 {
13035   int type_id = gi->custom_type_id;
13036
13037   strcpy(textinput_info[type_id].value, gi->textinput.value);
13038
13039   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13040   {
13041     CopyElementPropertiesToGame(properties_element);
13042
13043     ModifyEditorElementList();  // update changed button info text
13044   }
13045
13046   // do not mark level as modified for certain non-level-changing gadgets
13047   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13048       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13049     return;
13050
13051   level.changed = TRUE;
13052 }
13053
13054 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13055 {
13056   int type_id = gi->custom_type_id;
13057
13058   strncpy(textarea_info[type_id].value, gi->textarea.value,
13059           MAX_ENVELOPE_TEXT_LEN);
13060   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13061
13062   level.changed = TRUE;
13063 }
13064
13065 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13066 {
13067   int type_id = gi->custom_type_id;
13068   int value_old = *selectbox_info[type_id].value;
13069   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13070
13071   *selectbox_info[type_id].value = value_new;
13072
13073   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13074   {
13075     DrawLevelInfoWindow();
13076   }
13077   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13078   {
13079     element_info[properties_element].current_change_page = gi->selectbox.index;
13080
13081     DrawPropertiesWindow();
13082   }
13083   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13084             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13085            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13086             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13087            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13088   {
13089     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13090     {
13091       // when changing action type, also check action mode and action arg
13092       if (value_old != value_new)
13093         setSelectboxSpecialActionVariablesIfNeeded();
13094
13095       DrawPropertiesChange();
13096     }
13097
13098     CopyElementPropertiesToGame(properties_element);
13099   }
13100   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13101   {
13102     // update element selection list
13103     ReinitializeElementList();
13104     ModifyEditorElementList();
13105   }
13106
13107   // do not mark level as modified for certain non-level-changing gadgets
13108   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13109       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13110     return;
13111
13112   level.changed = TRUE;
13113 }
13114
13115 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13116 {
13117   int type_id = gi->custom_type_id;
13118   int i;
13119
13120   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13121       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13122   {
13123     edit_mode_levelinfo = gi->custom_type_id;
13124
13125     DrawLevelInfoWindow();
13126   }
13127   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13128            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13129   {
13130     edit_mode_properties = gi->custom_type_id;
13131
13132     DrawPropertiesWindow();
13133   }
13134   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13135            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13136   {
13137     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13138
13139     // backup original "level.field" (needed to track playfield changes)
13140     CopyPlayfield(level.field, FieldBackup);
13141
13142     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13143     CopyPlayfield(Feld, level.field);
13144
13145     if (new_template ||
13146         Request("Save this template and kill the old?", REQ_ASK))
13147       SaveLevelTemplate();
13148
13149     if (new_template)
13150       Request("Template saved!", REQ_CONFIRM);
13151
13152     // restore original "level.field" (needed to track playfield changes)
13153     CopyPlayfield(FieldBackup, level.field);
13154   }
13155   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13156   {
13157     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13158
13159     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13160         leveldir_current->readonly)
13161     {
13162       Request("This level set is read only!", REQ_CONFIRM);
13163
13164       return;
13165     }
13166
13167     if (strEqual(levelset_name, ""))
13168     {
13169       Request("Please enter level set title!", REQ_CONFIRM);
13170
13171       return;
13172     }
13173
13174     if (strEqual(levelset_author, ""))
13175     {
13176       Request("Please enter level set author!", REQ_CONFIRM);
13177
13178       return;
13179     }
13180
13181     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13182     {
13183       if (UpdateUserLevelSet(levelset_subdir,
13184                              levelset_name,
13185                              levelset_author,
13186                              levelset_num_levels))
13187       {
13188         Request("Level set updated!", REQ_CONFIRM);
13189       }
13190       else
13191       {
13192         Request("Updating level set failed!", REQ_CONFIRM);
13193       }
13194     }
13195     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13196     {
13197       if (level.changed && !Request("Level has changed! Discard changes?",
13198                                      REQ_ASK))
13199         return;
13200
13201       if (CreateUserLevelSet(levelset_subdir,
13202                              levelset_name,
13203                              levelset_author,
13204                              levelset_num_levels,
13205                              levelset_use_levelset_artwork))
13206       {
13207         if (levelset_copy_level_template)
13208           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13209
13210         Request("New level set created!", REQ_CONFIRM);
13211
13212         AddUserLevelSetToLevelInfo(levelset_subdir);
13213         ChangeEditorToLevelSet(levelset_subdir);
13214       }
13215       else
13216       {
13217         Request("Creating new level set failed!", REQ_CONFIRM);
13218       }
13219     }
13220   }
13221   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13222            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13223   {
13224     struct ElementInfo *ei = &element_info[properties_element];
13225
13226     // when modifying custom element, ask for copying level template
13227     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13228       return;
13229
13230     setElementChangePages(ei, ei->num_change_pages + 1);
13231
13232     // set new change page to be new current change page
13233     ei->current_change_page = ei->num_change_pages - 1;
13234     ei->change = &ei->change_page[ei->current_change_page];
13235
13236     setElementChangeInfoToDefaults(ei->change);
13237
13238     DrawPropertiesWindow();
13239
13240     level.changed = TRUE;
13241   }
13242   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13243            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13244   {
13245     struct ElementInfo *ei = &element_info[properties_element];
13246
13247     // when modifying custom element, ask for copying level template
13248     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13249       return;
13250
13251     // copy all change pages after change page to be deleted
13252     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13253       ei->change_page[i] = ei->change_page[i + 1];
13254
13255     setElementChangePages(ei, ei->num_change_pages - 1);
13256
13257     DrawPropertiesWindow();
13258
13259     level.changed = TRUE;
13260   }
13261 }
13262
13263 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13264 {
13265   int type_id = gi->custom_type_id;
13266
13267   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13268       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13269   {
13270     struct ElementInfo *ei = &element_info[properties_element];
13271     int step = BUTTON_STEPSIZE(gi->event.button);
13272
13273     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13274     ei->current_change_page += step;
13275
13276     if (ei->current_change_page < 0)
13277       ei->current_change_page = 0;
13278     else if (ei->current_change_page >= ei->num_change_pages)
13279       ei->current_change_page = ei->num_change_pages - 1;
13280
13281     DrawPropertiesWindow();
13282   }
13283   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13284            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13285   {
13286     struct ElementInfo *ei = &element_info[properties_element];
13287     int current_change_page = ei->current_change_page;
13288
13289     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13290     {
13291       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13292         ei->change_page[current_change_page];
13293     }
13294     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13295     {
13296       // when modifying custom element, ask for copying level template
13297       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13298         return;
13299
13300       ei->change_page[current_change_page] =
13301         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13302
13303       level.changed = TRUE;
13304     }
13305
13306     DrawPropertiesWindow();
13307   }
13308 }
13309
13310 static void HandleRadiobuttons(struct GadgetInfo *gi)
13311 {
13312   int type_id = gi->custom_type_id;
13313
13314   *radiobutton_info[type_id].value =
13315     radiobutton_info[type_id].checked_value;
13316
13317   // do not mark level as modified for certain non-level-changing gadgets
13318   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13319       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13320     return;
13321
13322   level.changed = TRUE;
13323 }
13324
13325 static void HandleCheckbuttons(struct GadgetInfo *gi)
13326 {
13327   int type_id = gi->custom_type_id;
13328
13329   *checkbutton_info[type_id].value ^= TRUE;
13330
13331   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13332       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13333       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13334       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13335          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13336         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13337          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13338        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13339   {
13340     CopyElementPropertiesToGame(properties_element);
13341   }
13342
13343   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13344   {
13345     UpdateCustomElementGraphicGadgets();
13346   }
13347   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13348            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13349   {
13350     boolean template_related_changes_found = FALSE;
13351     int i;
13352
13353     // check if any custom or group elements have been changed
13354     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13355       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13356           element_info[i].modified_settings)
13357         template_related_changes_found = TRUE;
13358
13359     if (level.use_custom_template &&
13360         !fileExists(getGlobalLevelTemplateFilename()))
13361     {
13362       Request("No level template found!", REQ_CONFIRM);
13363
13364       level.use_custom_template = FALSE;
13365
13366       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13367
13368       return;
13369     }
13370
13371     if (level.use_custom_template &&
13372         template_related_changes_found &&
13373         !Request("Discard changes and use level template?", REQ_ASK))
13374     {
13375       level.use_custom_template = FALSE;
13376
13377       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13378
13379       return;
13380     }
13381
13382     if (!level.use_custom_template &&
13383         Request("Copy settings from level template?", REQ_ASK))
13384     {
13385       return;
13386     }
13387
13388     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13389
13390     DrawEditModeWindow();
13391   }
13392   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13393   {
13394     if (setup.editor.use_template_for_new_levels &&
13395         !fileExists(getGlobalLevelTemplateFilename()))
13396     {
13397       Request("No level template found!", REQ_CONFIRM);
13398
13399       return;
13400     }
13401
13402     if (setup.editor.use_template_for_new_levels &&
13403         level.changed &&
13404         !Request("Discard level and load template?", REQ_ASK))
13405     {
13406       return;
13407     }
13408
13409     if (!setup.editor.use_template_for_new_levels &&
13410         level.changed &&
13411         !Request("Discard level and use empty level?", REQ_ASK))
13412     {
13413       return;
13414     }
13415
13416     LoadLevel(level_nr);
13417     LoadScore(level_nr);
13418
13419     TapeErase();
13420
13421     ResetUndoBuffer();
13422     DrawEditModeWindow();
13423   }
13424   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13425   {
13426     SetAutomaticNumberOfGemsNeeded();
13427   }
13428
13429   // do not mark level as modified for certain non-level-changing gadgets
13430   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13431        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13432       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13433        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13434        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13435       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13436     return;
13437
13438   level.changed = TRUE;
13439 }
13440
13441 static void HandleControlButtons(struct GadgetInfo *gi)
13442 {
13443   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13444   static int last_edit_mode = ED_MODE_DRAWING;
13445   static int last_custom_copy_mode = -1;
13446   static int last_button = 0;
13447   int id = gi->custom_id;
13448   int button = gi->event.button;
13449   int step = BUTTON_STEPSIZE(button);
13450   int new_element = BUTTON_ELEMENT(button);
13451   int last_properties_element = properties_element;
13452   int x, y;
13453
13454   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13455     DrawLevelText(0, 0, 0, TEXT_END);
13456
13457   if (id < ED_NUM_CTRL1_BUTTONS &&
13458       id != GADGET_ID_SINGLE_ITEMS &&
13459       id != GADGET_ID_PICK_ELEMENT &&
13460       edit_mode != ED_MODE_DRAWING &&
13461       drawing_function != GADGET_ID_PICK_ELEMENT &&
13462       !(GetKeyModState() & KMOD_Control))
13463     ChangeEditModeWindow(ED_MODE_DRAWING);
13464
13465   // element copy mode active, but no element button pressed => deactivate
13466   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13467     last_custom_copy_mode = -1;
13468
13469   // when showing palette on element buttons, change element of button used
13470   if (editor.palette.show_on_element_buttons &&
13471       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13472   {
13473     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13474
13475     id = GADGET_ID_PALETTE;
13476   }
13477
13478   switch (id)
13479   {
13480     case GADGET_ID_SCROLL_LEFT:
13481       if (level_xpos >= 0)
13482       {
13483         if (lev_fieldx < ed_fieldx - 2)
13484           break;
13485
13486         level_xpos -= step;
13487         if (level_xpos < -1)
13488           level_xpos = -1;
13489         if (button == 1)
13490           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13491         else
13492           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13493
13494         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13495                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13496       }
13497       break;
13498
13499     case GADGET_ID_SCROLL_RIGHT:
13500       if (level_xpos <= lev_fieldx - ed_fieldx)
13501       {
13502         if (lev_fieldx < ed_fieldx - 2)
13503           break;
13504
13505         level_xpos += step;
13506         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13507           level_xpos = lev_fieldx - ed_fieldx + 1;
13508         if (button == 1)
13509           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13510         else
13511           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13512
13513         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13514                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13515       }
13516       break;
13517
13518     case GADGET_ID_SCROLL_UP:
13519       if (level_ypos >= 0)
13520       {
13521         if (lev_fieldy < ed_fieldy - 2)
13522           break;
13523
13524         level_ypos -= step;
13525         if (level_ypos < -1)
13526           level_ypos = -1;
13527         if (button == 1)
13528           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13529         else
13530           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13531
13532         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13533                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13534       }
13535       break;
13536
13537     case GADGET_ID_SCROLL_DOWN:
13538       if (level_ypos <= lev_fieldy - ed_fieldy)
13539       {
13540         if (lev_fieldy < ed_fieldy - 2)
13541           break;
13542
13543         level_ypos += step;
13544         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13545           level_ypos = lev_fieldy - ed_fieldy + 1;
13546         if (button == 1)
13547           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13548         else
13549           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13550
13551         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13552                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13553       }
13554       break;
13555
13556     case GADGET_ID_SCROLL_HORIZONTAL:
13557       level_xpos = gi->event.item_position - 1;
13558
13559       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13560       BackToFront();
13561
13562       break;
13563
13564     case GADGET_ID_SCROLL_VERTICAL:
13565       level_ypos = gi->event.item_position - 1;
13566
13567       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13568       BackToFront();
13569
13570       break;
13571
13572     case GADGET_ID_SCROLL_LIST_UP:
13573     case GADGET_ID_SCROLL_LIST_DOWN:
13574     case GADGET_ID_SCROLL_LIST_VERTICAL:
13575       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13576         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13577       else
13578       {
13579         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13580         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13581
13582         if (element_shift < 0)
13583           element_shift = 0;
13584         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13585           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13586
13587         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13588                      GDI_SCROLLBAR_ITEM_POSITION,
13589                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13590       }
13591
13592       ModifyEditorElementList();
13593
13594       break;
13595
13596     case GADGET_ID_PROPERTIES:
13597       // always switch off element properties when they are already displayed
13598       last_properties_element = new_element;
13599     case GADGET_ID_ELEMENT_LEFT:
13600     case GADGET_ID_ELEMENT_MIDDLE:
13601     case GADGET_ID_ELEMENT_RIGHT:
13602       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13603                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13604                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13605                             new_element);
13606
13607       if (edit_mode != ED_MODE_PROPERTIES)
13608       {
13609         last_edit_mode = edit_mode;
13610
13611         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13612
13613         last_level_drawing_function = drawing_function;
13614         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13615                       MB_LEFTBUTTON);
13616       }
13617       else if (properties_element != last_properties_element)
13618       {
13619         DrawEditModeWindow();
13620       }
13621       else
13622       {
13623         ChangeEditModeWindow(last_edit_mode);
13624
13625         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13626                       MB_LEFTBUTTON);
13627       }
13628       break;
13629
13630     case GADGET_ID_PALETTE:
13631       if (edit_mode != ED_MODE_PALETTE)
13632       {
13633         last_edit_mode = edit_mode;
13634
13635         ChangeEditModeWindow(ED_MODE_PALETTE);
13636       }
13637       else
13638       {
13639         ChangeEditModeWindow(last_edit_mode);
13640       }
13641       break;
13642
13643     case GADGET_ID_WRAP_LEFT:
13644       WrapLevel(-step, 0);
13645       break;
13646
13647     case GADGET_ID_WRAP_RIGHT:
13648       WrapLevel(step, 0);
13649       break;
13650
13651     case GADGET_ID_WRAP_UP:
13652       WrapLevel(0, -step);
13653       break;
13654
13655     case GADGET_ID_WRAP_DOWN:
13656       WrapLevel(0, step);
13657       break;
13658
13659     case GADGET_ID_SINGLE_ITEMS:
13660     case GADGET_ID_CONNECTED_ITEMS:
13661     case GADGET_ID_LINE:
13662     case GADGET_ID_ARC:
13663     case GADGET_ID_TEXT:
13664     case GADGET_ID_RECTANGLE:
13665     case GADGET_ID_FILLED_BOX:
13666     case GADGET_ID_FLOOD_FILL:
13667     case GADGET_ID_GRAB_BRUSH:
13668     case GADGET_ID_PICK_ELEMENT:
13669       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13670         last_drawing_function = drawing_function;
13671       drawing_function = id;
13672       draw_with_brush = FALSE;
13673       break;
13674
13675     case GADGET_ID_RANDOM_PLACEMENT:
13676       RandomPlacement(new_element);
13677       break;
13678
13679     case GADGET_ID_ZOOM:
13680       // zoom level editor tile size in or out (or reset to default size)
13681       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13682                      button == 2 ? ed_tilesize_default :
13683                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13684
13685       // limit zoom level by upper and lower bound
13686       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13687
13688       InitZoomLevelSettings(ed_tilesize);
13689
13690       if (edit_mode == ED_MODE_DRAWING)
13691       {
13692         DrawDrawingWindow();
13693
13694         // redraw zoom gadget info text
13695         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13696       }
13697
13698       // save current editor zoom tilesize
13699       SaveSetup_AutoSetup();
13700
13701       break;
13702
13703     case GADGET_ID_CUSTOM_COPY_FROM:
13704     case GADGET_ID_CUSTOM_COPY_TO:
13705     case GADGET_ID_CUSTOM_EXCHANGE:
13706       last_custom_copy_mode = id;
13707       last_drawing_function = drawing_function;
13708       break;
13709
13710     case GADGET_ID_CUSTOM_COPY:
13711       CopyCustomElement(properties_element, -1, id);
13712       break;
13713
13714     case GADGET_ID_CUSTOM_PASTE:
13715       CopyCustomElement(-1, properties_element, id);
13716       break;
13717
13718     case GADGET_ID_UNDO:
13719       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13720         button = 3;
13721
13722       if (button == 1 && undo_buffer_steps == 0)
13723       {
13724         Request("Undo buffer empty!", REQ_CONFIRM);
13725
13726         break;
13727       }
13728       else if (button == 2)
13729       {
13730         break;
13731       }
13732       else if (button == 3 && redo_buffer_steps == 0)
13733       {
13734         Request("Redo buffer empty!", REQ_CONFIRM);
13735
13736         break;
13737       }
13738
13739       if (edit_mode != ED_MODE_DRAWING)
13740         ChangeEditModeWindow(ED_MODE_DRAWING);
13741
13742       if (button == 1)
13743       {
13744         // undo
13745
13746         undo_buffer_position =
13747           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13748
13749         undo_buffer_steps--;
13750         redo_buffer_steps++;
13751       }
13752       else
13753       {
13754         // redo
13755
13756         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13757
13758         undo_buffer_steps++;
13759         redo_buffer_steps--;
13760       }
13761
13762       for (x = 0; x < lev_fieldx; x++)
13763         for (y = 0; y < lev_fieldy; y++)
13764           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13765
13766       // check if undo operation forces change of border style
13767       CheckLevelBorderElement(FALSE);
13768
13769       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13770
13771       break;
13772
13773     case GADGET_ID_INFO:
13774       if (edit_mode != ED_MODE_INFO)
13775       {
13776         last_edit_mode = edit_mode;
13777
13778         ChangeEditModeWindow(ED_MODE_INFO);
13779       }
13780       else
13781       {
13782         ChangeEditModeWindow(last_edit_mode);
13783       }
13784       break;
13785
13786     case GADGET_ID_CLEAR:
13787       if (edit_mode != ED_MODE_DRAWING)
13788         ChangeEditModeWindow(ED_MODE_DRAWING);
13789
13790       for (x = 0; x < MAX_LEV_FIELDX; x++)
13791         for (y = 0; y < MAX_LEV_FIELDY; y++)
13792           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13793
13794       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13795
13796       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13797       break;
13798
13799     case GADGET_ID_SAVE:
13800     {
13801       // saving read-only levels into personal level set modifies global vars
13802       // "leveldir_current" and "level_nr"; restore them after saving level
13803       LevelDirTree *leveldir_former = leveldir_current;
13804       int level_nr_former = level_nr;
13805       char *level_filename;
13806       boolean new_level;
13807
13808       if (leveldir_current->readonly &&
13809           !PrepareSavingIntoPersonalLevelSet())
13810         break;
13811
13812       level_filename = getDefaultLevelFilename(level_nr);
13813       new_level = !fileExists(level_filename);
13814
13815       if (new_level ||
13816           Request("Save this level and kill the old?", REQ_ASK))
13817       {
13818         if (leveldir_former->readonly)
13819           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13820
13821         SetAutomaticNumberOfGemsNeeded();
13822
13823         CopyPlayfield(Feld, level.field);
13824         SaveLevel(level_nr);
13825
13826         level.changed = FALSE;
13827
13828         if (new_level)
13829         {
13830           char level_saved_msg[64];
13831
13832           if (leveldir_former->readonly)
13833             sprintf(level_saved_msg,
13834                     "Level saved as level %d into personal level set!",
13835                     level_nr);
13836           else
13837             strcpy(level_saved_msg, "Level saved!");
13838
13839           Request(level_saved_msg, REQ_CONFIRM);
13840         }
13841       }
13842
13843       // "cd" back to copied-from levelset (in case of saved read-only level)
13844       leveldir_current = leveldir_former;
13845       level_nr = level_nr_former;
13846
13847       break;
13848     }
13849
13850     case GADGET_ID_TEST:
13851       if (LevelChanged())
13852         level.game_version = GAME_VERSION_ACTUAL;
13853
13854       CopyPlayfield(level.field, FieldBackup);
13855       CopyPlayfield(Feld, level.field);
13856
13857       CopyNativeLevel_RND_to_Native(&level);
13858
13859       UnmapLevelEditorGadgets();
13860       UndrawSpecialEditorDoor();
13861
13862       CloseDoor(DOOR_CLOSE_ALL);
13863
13864       // needed before playing if editor playfield area has different size
13865       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13866
13867       // redraw_mask = REDRAW_ALL;
13868
13869       level_editor_test_game = TRUE;
13870
13871       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13872
13873       break;
13874
13875     case GADGET_ID_EXIT:
13876       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
13877       break;
13878
13879     default:
13880       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13881           id <= GADGET_ID_ELEMENTLIST_LAST)
13882       {
13883         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13884         int new_element = editor_elements[element_position + element_shift];
13885
13886         if (IS_EDITOR_CASCADE(new_element))
13887         {
13888           int i;
13889
13890           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13891           {
13892             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13893             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13894
13895             if (*cascade_element == new_element)
13896             {
13897               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13898               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13899
13900               // update element selection list
13901               ReinitializeElementList();
13902               ModifyEditorElementList();
13903
13904               // update cascading gadget info text
13905               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13906
13907               // save current editor cascading state
13908               SaveSetup_EditorCascade();
13909
13910               break;
13911             }
13912           }
13913
13914           break;
13915         }
13916
13917         if (last_custom_copy_mode != -1)
13918         {
13919           if (CopyCustomElement(properties_element, new_element,
13920                                 last_custom_copy_mode))
13921           {
13922             ClickOnGadget(level_editor_gadget[last_drawing_function],
13923                           MB_LEFTBUTTON);
13924
13925             last_custom_copy_mode = -1;
13926           }
13927
13928           break;
13929         }
13930
13931         // change element of button used to show palette
13932         if (editor.palette.show_on_element_buttons)
13933           button = last_button;
13934
13935         PickDrawingElement(button, new_element);
13936
13937         if (!stick_element_properties_window &&
13938             drawing_function != GADGET_ID_PICK_ELEMENT &&
13939             !(GetKeyModState() & KMOD_Control))
13940         {
13941           properties_element = new_element;
13942           if (edit_mode == ED_MODE_PROPERTIES)
13943             DrawPropertiesWindow();
13944         }
13945
13946         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13947           ClickOnGadget(level_editor_gadget[last_drawing_function],
13948                         MB_LEFTBUTTON);
13949
13950         if (!use_permanent_palette)
13951           ChangeEditModeWindow(last_edit_mode);
13952       }
13953 #ifdef DEBUG
13954       else if (gi->event.type == GD_EVENT_PRESSED)
13955         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13956       else if (gi->event.type == GD_EVENT_RELEASED)
13957         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13958       else if (gi->event.type == GD_EVENT_MOVING)
13959         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13960       else
13961         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13962 #endif
13963       break;
13964   }
13965 }
13966
13967 void HandleLevelEditorKeyInput(Key key)
13968 {
13969   char letter = getCharFromKey(key);
13970   int button = MB_LEFTBUTTON;
13971
13972   if (drawing_function == GADGET_ID_TEXT &&
13973       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13974   {
13975     if (letter)
13976       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13977     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13978       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13979     else if (key == KSYM_Return)
13980       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13981     else if (key == KSYM_Escape)
13982       DrawLevelText(0, 0, 0, TEXT_END);
13983   }
13984   else if (button_status == MB_RELEASED)
13985   {
13986     int id = GADGET_ID_NONE;
13987     int new_element_shift = element_shift;
13988     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13989     int i;
13990
13991     switch (key)
13992     {
13993       case KSYM_Left:
13994         id = GADGET_ID_SCROLL_LEFT;
13995         break;
13996       case KSYM_Right:
13997         id = GADGET_ID_SCROLL_RIGHT;
13998         break;
13999       case KSYM_Up:
14000         id = GADGET_ID_SCROLL_UP;
14001         break;
14002       case KSYM_Down:
14003         id = GADGET_ID_SCROLL_DOWN;
14004         break;
14005
14006       case KSYM_Page_Up:
14007       case KSYM_Page_Down:
14008         step *= (key == KSYM_Page_Up ? -1 : +1);
14009         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14010
14011         if (element_shift < 0)
14012           element_shift = 0;
14013         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14014           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14015
14016         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14017                      GDI_SCROLLBAR_ITEM_POSITION,
14018                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14019
14020         ModifyEditorElementList();
14021
14022         break;
14023
14024       case KSYM_Home:
14025       case KSYM_End:
14026         element_shift = (key == KSYM_Home ? 0 :
14027                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14028
14029         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14030                      GDI_SCROLLBAR_ITEM_POSITION,
14031                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14032
14033         ModifyEditorElementList();
14034
14035         break;
14036
14037       case KSYM_Insert:
14038       case KSYM_Delete:
14039
14040         // this is needed to prevent interference with running "True X-Mouse"
14041         if (GetKeyModStateFromEvents() & KMOD_Control)
14042           break;
14043
14044         // check for last or next editor cascade block in element list
14045         for (i = 0; i < num_editor_elements; i++)
14046         {
14047           if ((key == KSYM_Insert && i == element_shift) ||
14048               (key == KSYM_Delete && new_element_shift > element_shift))
14049             break;
14050
14051           // jump to next cascade block (or to start of element list)
14052           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14053             new_element_shift = i;
14054         }
14055
14056         if (i < num_editor_elements)
14057           element_shift = new_element_shift;
14058
14059         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14060           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14061
14062         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14063                      GDI_SCROLLBAR_ITEM_POSITION,
14064                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14065
14066         ModifyEditorElementList();
14067
14068         break;
14069
14070       case KSYM_Escape:
14071         if (edit_mode == ED_MODE_DRAWING)
14072         {
14073           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14074         }
14075         else if (edit_mode == ED_MODE_INFO)
14076         {
14077           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14078         }
14079         else if (edit_mode == ED_MODE_PROPERTIES)
14080         {
14081           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14082         }
14083         else if (edit_mode == ED_MODE_PALETTE)
14084         {
14085           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14086         }
14087         else            // should never happen
14088         {
14089           ChangeEditModeWindow(ED_MODE_DRAWING);
14090         }
14091
14092         break;
14093
14094       default:
14095         break;
14096     }
14097
14098     if (id != GADGET_ID_NONE)
14099       ClickOnGadget(level_editor_gadget[id], button);
14100     else if (letter == '1' || letter == '?')
14101       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14102     else if (letter == '2')
14103       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14104     else if (letter == '3')
14105       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14106     else if (letter == '.')
14107       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14108     else if (letter == 'U')
14109       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14110     else if (letter == '-' || key == KSYM_KP_Subtract)
14111       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14112     else if (letter == '0' || key == KSYM_KP_0)
14113       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14114     else if (letter == '+' || key == KSYM_KP_Add ||
14115              letter == '=')     // ("Shift-=" is "+" on US keyboards)
14116       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14117     else if (key == KSYM_Return ||
14118              key == KSYM_space ||
14119              key == setup.shortcut.toggle_pause)
14120       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14121     else
14122       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14123         if (letter && letter == controlbutton_info[i].shortcut)
14124           if (!anyTextGadgetActive())
14125             ClickOnGadget(level_editor_gadget[i], button);
14126   }
14127 }
14128
14129 void HandleLevelEditorIdle(void)
14130 {
14131   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14132   int x = editor.settings.element_graphic.x + element_border;
14133   int y = editor.settings.element_graphic.y + element_border;
14134   static unsigned int action_delay = 0;
14135   unsigned int action_delay_value = GameFrameDelay;
14136   int i;
14137
14138   if (edit_mode != ED_MODE_PROPERTIES)
14139     return;
14140
14141   if (!DelayReached(&action_delay, action_delay_value))
14142     return;
14143
14144   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14145   {
14146     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14147
14148     if (gi->mapped && gi->active && gi->selectbox.open)
14149       return;
14150   }
14151
14152   DrawEditorElementAnimation(SX + x, SY + y);
14153
14154   redraw_mask |= REDRAW_FIELD;
14155
14156   FrameCounter++;       // increase animation frame counter
14157 }
14158
14159 static void ClearEditorGadgetInfoText(void)
14160 {
14161   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14162 }
14163
14164 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14165 {
14166   char infotext[MAX_OUTPUT_LINESIZE + 1];
14167   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14168   int max_infotext_len = getMaxInfoTextLength();
14169
14170   if (gi == NULL || strlen(gi->info_text) == 0)
14171     return;
14172
14173   strncpy(infotext, gi->info_text, max_infotext_len);
14174   infotext[max_infotext_len] = '\0';
14175
14176   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14177   {
14178     int key = controlbutton_info[gi->custom_id].shortcut;
14179
14180     if (key)
14181     {
14182       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14183         sprintf(shortcut, " ('.' or '%c')", key);
14184       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14185         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14186       else if (gi->custom_id == GADGET_ID_TEST)
14187         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14188       else if (gi->custom_id == GADGET_ID_UNDO)
14189         sprintf(shortcut, " ('%c/Shift-U')", key);
14190       else if (gi->custom_id == GADGET_ID_ZOOM)
14191         sprintf(shortcut, " ('%c', '0', '-')", key);
14192       else
14193         sprintf(shortcut, " ('%s%c')",
14194                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14195
14196       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14197         strcat(infotext, shortcut);
14198     }
14199   }
14200
14201   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14202 }
14203
14204 void HandleEditorGadgetInfoText(void *ptr)
14205 {
14206   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14207
14208   if (game_status != GAME_MODE_EDITOR)
14209     return;
14210
14211   ClearEditorGadgetInfoText();
14212
14213   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14214     return;
14215
14216   // misuse this function to delete brush cursor, if needed
14217   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14218     DeleteBrushFromCursor();
14219
14220   PrintEditorGadgetInfoText(gi);
14221 }
14222
14223 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14224 {
14225   static int start_lx, start_ly;
14226   int id = gi->custom_id;
14227   int type_id = gi->custom_type_id;
14228   int sx = gi->event.x;
14229   int sy = gi->event.y;
14230   int lx = sx + level_xpos;
14231   int ly = sy + level_ypos;
14232   int min_sx = 0, min_sy = 0;
14233   int max_sx = gi->drawing.area_xsize - 1;
14234   int max_sy = gi->drawing.area_ysize - 1;
14235   int actual_drawing_function = drawing_function;
14236   int max_infotext_len = getMaxInfoTextLength();
14237   char infotext[MAX_OUTPUT_LINESIZE + 1];
14238   char *text;
14239
14240   infotext[0] = '\0';           // start with empty info text
14241
14242   // pressed Control key: simulate picking element
14243   if (GetKeyModState() & KMOD_Control)
14244     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14245
14246   ClearEditorGadgetInfoText();
14247
14248   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14249     return;
14250
14251   // make sure to stay inside drawing area boundaries
14252   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14253   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14254
14255   if (id == GADGET_ID_DRAWING_LEVEL)
14256   {
14257     if (button_status)
14258     {
14259       int min_lx = 0, min_ly = 0;
14260       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14261
14262       // get positions inside level field
14263       lx = sx + level_xpos;
14264       ly = sy + level_ypos;
14265
14266       // make sure to stay inside level field boundaries
14267       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14268       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14269
14270       // correct drawing area positions accordingly
14271       sx = lx - level_xpos;
14272       sy = ly - level_ypos;
14273     }
14274
14275     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14276     {
14277       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14278       {
14279         if (gi->event.type == GD_EVENT_PRESSED)
14280         {
14281           start_lx = lx;
14282           start_ly = ly;
14283         }
14284
14285         switch (actual_drawing_function)
14286         {
14287           case GADGET_ID_SINGLE_ITEMS:
14288             text = "Drawing single items";
14289             break;
14290           case GADGET_ID_CONNECTED_ITEMS:
14291             text = "Drawing connected items";
14292             break;
14293           case GADGET_ID_LINE:
14294             text = "Drawing line";
14295             break;
14296           case GADGET_ID_ARC:
14297             text = "Drawing arc";
14298             break;
14299           case GADGET_ID_TEXT:
14300             text = "Setting text cursor";
14301             break;
14302           case GADGET_ID_RECTANGLE:
14303             text = "Drawing rectangle";
14304             break;
14305           case GADGET_ID_FILLED_BOX:
14306             text = "Drawing filled box";
14307             break;
14308           case GADGET_ID_FLOOD_FILL:
14309             text = "Flood fill";
14310             break;
14311           case GADGET_ID_GRAB_BRUSH:
14312             text = "Grabbing brush";
14313             break;
14314           case GADGET_ID_PICK_ELEMENT:
14315             text = "Picking element";
14316             break;
14317
14318           default:
14319             text = "Drawing position";
14320             break;
14321         }
14322
14323         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14324           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14325         else
14326           sprintf(infotext, "%s: %d, %d", text,
14327                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14328       }
14329       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14330         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14331       else
14332         sprintf(infotext, "Level position: %d, %d", lx, ly);
14333     }
14334
14335     // misuse this function to draw brush cursor, if needed
14336     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14337     {
14338       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14339         CopyBrushToCursor(sx, sy);
14340       else
14341         DeleteBrushFromCursor();
14342     }
14343
14344     if (!draw_with_brush)
14345       UpdateBrushPosition(sx, sy);
14346   }
14347   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14348   {
14349     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14350     int element = drawingarea_info[type_id].value[pos];
14351
14352     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14353   }
14354   else
14355   {
14356     if (id == GADGET_ID_CUSTOM_CONTENT)
14357       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14358     else if (id == GADGET_ID_GROUP_CONTENT)
14359       sprintf(infotext, "group element position: %d", sx + 1);
14360     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14361              id <= GADGET_ID_YAMYAM_CONTENT_7)
14362       sprintf(infotext, "content area %d position: %d, %d",
14363               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14364     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14365              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14366       sprintf(infotext, "content area %d position: %d, %d",
14367               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14368     else if (id == GADGET_ID_ANDROID_CONTENT)
14369       sprintf(infotext, "android element position: %d", sx + 1);
14370     else if (drawingarea_info[type_id].infotext != NULL)
14371       strcpy(infotext, drawingarea_info[type_id].infotext);
14372   }
14373
14374   infotext[max_infotext_len] = '\0';
14375
14376   if (strlen(infotext) > 0)
14377     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14378 }
14379
14380 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14381                             boolean quick_quit)
14382 {
14383   if (!ask_if_level_has_changed ||
14384       !LevelChanged() ||
14385       Request("Level has changed! Exit without saving?",
14386               REQ_ASK | REQ_STAY_OPEN))
14387   {
14388     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14389     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14390
14391     // draw normal door
14392     UndrawSpecialEditorDoor();
14393
14394     // use door animation if door 1 viewport is unchanged and contains toolbox
14395     if (useEditorDoorAnimation())
14396       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14397
14398     // close editor doors if viewport definition is the same as in main menu
14399     if (vp_door_1->x      == DX     &&
14400         vp_door_1->y      == DY     &&
14401         vp_door_1->width  == DXSIZE &&
14402         vp_door_1->height == DYSIZE &&
14403         vp_door_2->x      == VX     &&
14404         vp_door_2->y      == VY     &&
14405         vp_door_2->width  == VXSIZE &&
14406         vp_door_2->height == VYSIZE)
14407       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14408     else
14409       SetDoorState(DOOR_CLOSE_2);
14410
14411     BackToFront();
14412
14413     if (quick_quit)
14414       FadeSkipNextFadeIn();
14415
14416     SetGameStatus(GAME_MODE_MAIN);
14417
14418     DrawMainMenu();
14419   }
14420   else
14421   {
14422     if (!global.use_envelope_request)
14423     {
14424       CloseDoor(DOOR_CLOSE_1);
14425       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14426     }
14427   }
14428 }