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