src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  69 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  70 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  71                                          ED_ELEMENTLIST_BUTTONS_VERT)
  72
  73 // standard distances
  74 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  75 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  76 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  77 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  78 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  79 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  80 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  81                                          ED_DRAWINGAREA_BORDER_SIZE)
  82 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  83
  84 // values for drawingarea gadgets
  85 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  86 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  87 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  88 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  89 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  90
  91 // values for checkbutton gadgets
  92 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  93 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  94
  95 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  96 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  97
  98 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
  99 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 100 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 101 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 102                                          editor.settings.tabs.yoffset2)
 103
 104 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 105 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 106
 107 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 108 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 109 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 110                                          ED_SETTINGS_TABS_XOFFSET)
 111 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 112                                          ED_TABBUTTON_YSIZE +           \
 113                                          ED_GADGET_TINY_DISTANCE +      \
 114                                          ED_TAB_BAR_HEIGHT +            \
 115                                          ED_SETTINGS_TABS_YOFFSET +     \
 116                                          getFontHeight(FONT_TEXT_1) +   \
 117                                          ED_GADGET_TEXT_DISTANCE)
 118 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 119 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 120 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 121                                          ED_SETTINGS_TABS_XOFFSET)
 122 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 123                                          ED_TABBUTTON_YSIZE +           \
 124                                          ED_GADGET_TINY_DISTANCE +      \
 125                                          ED_TAB_BAR_HEIGHT +            \
 126                                          ED_SETTINGS_TABS_YOFFSET)
 127
 128 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 129                                          ED_GADGET_TEXT_DISTANCE)
 130 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 131                                          ED_GADGET_LINE_DISTANCE)
 132
 133 #define ED_POS_RANGE                    (10000)
 134 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 135 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 136 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 138 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 139 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 142
 143 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 144 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 145
 146 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 147 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 148
 149 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 150 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 151
 152 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 153 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 154
 155 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 156                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 157 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 159 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 160                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 161 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 163
 164 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 165 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 166 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 167 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 168
 169 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 170                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 171 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 172                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 173
 174 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 175                                          (n) * ED_SETTINGS_XOFFSET)
 176 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 177                                          (n) * ED_SETTINGS_YOFFSET)
 178
 179 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 180                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 181 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 183
 184 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 185                                          (n) * ED_SETTINGS_XOFFSET)
 186 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 187                                          (n) * ED_SETTINGS_YOFFSET)
 188
 189 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 190   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 191 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 192   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 193
 194 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 195   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 196 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 197   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 198
 199 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 200   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 201 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 202   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 203
 204 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 205   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 206 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 207   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 208
 209 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 210                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 211                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 212                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 213                                          IS_POS_ELEMENT_TABS(n) ?       \
 214                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 215                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 216                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 217 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 218                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 219                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 220                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 221                                          IS_POS_ELEMENT_TABS(n) ?       \
 222                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 223                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 224                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 225
 226 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 227                                          ED_DRAWINGAREA_TILE_SIZE)
 228 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230
 231 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 232                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 233 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          (ED_CHECKBUTTON_YSIZE -        \
 235                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 236
 237 #define ED_AREA_XOFFSET_2(n)      (0)
 238 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 239                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 240
 241 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 242                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 243                                     ED_AREA_XOFFSET_1((i).x) -          \
 244                                     ED_AREA_XOFFSET_2((i).area_xsize))
 245 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 246                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 247                                     ED_AREA_YOFFSET_1((i).y) -          \
 248                                     ED_AREA_YOFFSET_2((i).area_ysize))
 249
 250 // values for element content drawing areas
 251 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 252 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 253 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 254 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 255
 256 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 257 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 258 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 259 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 260
 261 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 262 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 263 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 264 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 265
 266 // element content
 267 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 268 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 269
 270 // yamyam content
 271 #define ED_XPOS_YAM                     0
 272 #define ED_YPOS_YAM                     5
 273 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 274 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 275 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 276 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 277 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 278                                          ED_SETTINGS_XOFF(n))
 279 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 280                                          ED_SETTINGS_YOFF(n) +          \
 281                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 282                                          ED_AREA_YOFFSET_2(3))
 283
 284 // magic ball content
 285 #define ED_XPOS_BALL                    0
 286 #define ED_YPOS_BALL                    6
 287 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 288 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 292                                          ED_SETTINGS_XOFF(n))
 293 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 294                                          ED_SETTINGS_YOFF(n) +          \
 295                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 296                                          ED_AREA_YOFFSET_2(3))
 297
 298 // values for scrolling gadgets for drawing area
 299 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 300 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 301
 302 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 303 #define ED_SCROLL_UP_YPOS               (0)
 304 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 305 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 306 #define ED_SCROLL_LEFT_XPOS             (0)
 307 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 309 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 310 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 311                                          ED_SCROLLBUTTON_XSIZE)
 312 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 313 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 315 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 316 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 317                                          ED_SCROLLBUTTON_YSIZE)
 318 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 319 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 320
 321 // values for scrolling gadgets for element list
 322 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 323 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 324
 325 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 326                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 327                                          ED_ELEMENTLIST_XSIZE)
 328 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 329 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 330 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 331                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 332                                          ED_ELEMENTLIST_YSIZE -         \
 333                                          ED_SCROLLBUTTON2_YSIZE)
 334 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 335 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 336                                          ED_SCROLLBUTTON2_YSIZE)
 337 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 338 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 339                                          ED_ELEMENTLIST_YSIZE -         \
 340                                          2 * ED_SCROLLBUTTON2_YSIZE)
 341
 342 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 343 #define INFOTEXT_FONT           FONT_TEXT_2
 344 #define INFOTEXT_XSIZE          SXSIZE
 345 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 346 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 347 #define INFOTEXT_X              (editor.settings.tooltip.x)
 348 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 349 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 350 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 351 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 352                                       SYSIZE - INFOTEXT_YSIZE)
 353
 354
 355 // ----------------------------------------------------------------------------
 356 // editor gadget definitions
 357 // ----------------------------------------------------------------------------
 358
 359 enum
 360 {
 361   GADGET_ID_NONE = -1,
 362
 363   // drawing toolbox buttons
 364
 365   GADGET_ID_SINGLE_ITEMS,
 366   GADGET_ID_CONNECTED_ITEMS,
 367   GADGET_ID_LINE,
 368   GADGET_ID_ARC,
 369   GADGET_ID_RECTANGLE,
 370   GADGET_ID_FILLED_BOX,
 371   GADGET_ID_WRAP_UP,
 372   GADGET_ID_TEXT,
 373   GADGET_ID_FLOOD_FILL,
 374   GADGET_ID_WRAP_LEFT,
 375   GADGET_ID_ZOOM,
 376   GADGET_ID_WRAP_RIGHT,
 377   GADGET_ID_RANDOM_PLACEMENT,
 378   GADGET_ID_GRAB_BRUSH,
 379   GADGET_ID_WRAP_DOWN,
 380   GADGET_ID_PICK_ELEMENT,
 381
 382   GADGET_ID_UNDO,
 383   GADGET_ID_INFO,
 384   GADGET_ID_SAVE,
 385   GADGET_ID_CLEAR,
 386   GADGET_ID_TEST,
 387   GADGET_ID_EXIT,
 388
 389   GADGET_ID_CUSTOM_COPY_FROM,
 390   GADGET_ID_CUSTOM_COPY_TO,
 391   GADGET_ID_CUSTOM_EXCHANGE,
 392   GADGET_ID_CUSTOM_COPY,
 393   GADGET_ID_CUSTOM_PASTE,
 394
 395   GADGET_ID_PROPERTIES,
 396   GADGET_ID_ELEMENT_LEFT,
 397   GADGET_ID_ELEMENT_MIDDLE,
 398   GADGET_ID_ELEMENT_RIGHT,
 399   GADGET_ID_PALETTE,
 400
 401   // counter gadget identifiers
 402
 403   GADGET_ID_SELECT_LEVEL_DOWN,
 404   GADGET_ID_SELECT_LEVEL_TEXT,
 405   GADGET_ID_SELECT_LEVEL_UP,
 406   GADGET_ID_LEVEL_XSIZE_DOWN,
 407   GADGET_ID_LEVEL_XSIZE_TEXT,
 408   GADGET_ID_LEVEL_XSIZE_UP,
 409   GADGET_ID_LEVEL_YSIZE_DOWN,
 410   GADGET_ID_LEVEL_YSIZE_TEXT,
 411   GADGET_ID_LEVEL_YSIZE_UP,
 412   GADGET_ID_LEVEL_RANDOM_DOWN,
 413   GADGET_ID_LEVEL_RANDOM_TEXT,
 414   GADGET_ID_LEVEL_RANDOM_UP,
 415   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 416   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 417   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 418   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 419   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 420   GADGET_ID_LEVEL_TIMELIMIT_UP,
 421   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 422   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 423   GADGET_ID_LEVEL_TIMESCORE_UP,
 424   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 425   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 426   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 427   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 428   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 430   GADGET_ID_ELEMENT_VALUE1_DOWN,
 431   GADGET_ID_ELEMENT_VALUE1_TEXT,
 432   GADGET_ID_ELEMENT_VALUE1_UP,
 433   GADGET_ID_ELEMENT_VALUE2_DOWN,
 434   GADGET_ID_ELEMENT_VALUE2_TEXT,
 435   GADGET_ID_ELEMENT_VALUE2_UP,
 436   GADGET_ID_ELEMENT_VALUE3_DOWN,
 437   GADGET_ID_ELEMENT_VALUE3_TEXT,
 438   GADGET_ID_ELEMENT_VALUE3_UP,
 439   GADGET_ID_ELEMENT_VALUE4_DOWN,
 440   GADGET_ID_ELEMENT_VALUE4_TEXT,
 441   GADGET_ID_ELEMENT_VALUE4_UP,
 442   GADGET_ID_YAMYAM_CONTENT_DOWN,
 443   GADGET_ID_YAMYAM_CONTENT_TEXT,
 444   GADGET_ID_YAMYAM_CONTENT_UP,
 445   GADGET_ID_BALL_CONTENT_DOWN,
 446   GADGET_ID_BALL_CONTENT_TEXT,
 447   GADGET_ID_BALL_CONTENT_UP,
 448   GADGET_ID_ANDROID_CONTENT_DOWN,
 449   GADGET_ID_ANDROID_CONTENT_TEXT,
 450   GADGET_ID_ANDROID_CONTENT_UP,
 451   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 452   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 453   GADGET_ID_ENVELOPE_XSIZE_UP,
 454   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 455   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 456   GADGET_ID_ENVELOPE_YSIZE_UP,
 457   GADGET_ID_INVENTORY_SIZE_DOWN,
 458   GADGET_ID_INVENTORY_SIZE_TEXT,
 459   GADGET_ID_INVENTORY_SIZE_UP,
 460   GADGET_ID_CUSTOM_SCORE_DOWN,
 461   GADGET_ID_CUSTOM_SCORE_TEXT,
 462   GADGET_ID_CUSTOM_SCORE_UP,
 463   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 464   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 465   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 466   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 467   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 468   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 469   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 470   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 471   GADGET_ID_CUSTOM_VALUE_RND_UP,
 472   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 473   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 474   GADGET_ID_PUSH_DELAY_FIX_UP,
 475   GADGET_ID_PUSH_DELAY_RND_DOWN,
 476   GADGET_ID_PUSH_DELAY_RND_TEXT,
 477   GADGET_ID_PUSH_DELAY_RND_UP,
 478   GADGET_ID_DROP_DELAY_FIX_DOWN,
 479   GADGET_ID_DROP_DELAY_FIX_TEXT,
 480   GADGET_ID_DROP_DELAY_FIX_UP,
 481   GADGET_ID_DROP_DELAY_RND_DOWN,
 482   GADGET_ID_DROP_DELAY_RND_TEXT,
 483   GADGET_ID_DROP_DELAY_RND_UP,
 484   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 485   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 486   GADGET_ID_MOVE_DELAY_FIX_UP,
 487   GADGET_ID_MOVE_DELAY_RND_DOWN,
 488   GADGET_ID_MOVE_DELAY_RND_TEXT,
 489   GADGET_ID_MOVE_DELAY_RND_UP,
 490   GADGET_ID_EXPLOSION_DELAY_DOWN,
 491   GADGET_ID_EXPLOSION_DELAY_TEXT,
 492   GADGET_ID_EXPLOSION_DELAY_UP,
 493   GADGET_ID_IGNITION_DELAY_DOWN,
 494   GADGET_ID_IGNITION_DELAY_TEXT,
 495   GADGET_ID_IGNITION_DELAY_UP,
 496   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 497   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 498   GADGET_ID_CHANGE_DELAY_FIX_UP,
 499   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 500   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 501   GADGET_ID_CHANGE_DELAY_RND_UP,
 502   GADGET_ID_CHANGE_CONT_RND_DOWN,
 503   GADGET_ID_CHANGE_CONT_RND_TEXT,
 504   GADGET_ID_CHANGE_CONT_RND_UP,
 505   GADGET_ID_GROUP_CONTENT_DOWN,
 506   GADGET_ID_GROUP_CONTENT_TEXT,
 507   GADGET_ID_GROUP_CONTENT_UP,
 508
 509   // drawing area identifiers
 510
 511   GADGET_ID_DRAWING_LEVEL,
 512   GADGET_ID_YAMYAM_CONTENT_0,
 513   GADGET_ID_YAMYAM_CONTENT_1,
 514   GADGET_ID_YAMYAM_CONTENT_2,
 515   GADGET_ID_YAMYAM_CONTENT_3,
 516   GADGET_ID_YAMYAM_CONTENT_4,
 517   GADGET_ID_YAMYAM_CONTENT_5,
 518   GADGET_ID_YAMYAM_CONTENT_6,
 519   GADGET_ID_YAMYAM_CONTENT_7,
 520   GADGET_ID_MAGIC_BALL_CONTENT_0,
 521   GADGET_ID_MAGIC_BALL_CONTENT_1,
 522   GADGET_ID_MAGIC_BALL_CONTENT_2,
 523   GADGET_ID_MAGIC_BALL_CONTENT_3,
 524   GADGET_ID_MAGIC_BALL_CONTENT_4,
 525   GADGET_ID_MAGIC_BALL_CONTENT_5,
 526   GADGET_ID_MAGIC_BALL_CONTENT_6,
 527   GADGET_ID_MAGIC_BALL_CONTENT_7,
 528   GADGET_ID_ANDROID_CONTENT,
 529   GADGET_ID_AMOEBA_CONTENT,
 530   GADGET_ID_START_ELEMENT,
 531   GADGET_ID_ARTWORK_ELEMENT,
 532   GADGET_ID_EXPLOSION_ELEMENT,
 533   GADGET_ID_INVENTORY_CONTENT,
 534   GADGET_ID_CUSTOM_GRAPHIC,
 535   GADGET_ID_CUSTOM_CONTENT,
 536   GADGET_ID_CUSTOM_MOVE_ENTER,
 537   GADGET_ID_CUSTOM_MOVE_LEAVE,
 538   GADGET_ID_CUSTOM_CHANGE_TARGET,
 539   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 540   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 541   GADGET_ID_CUSTOM_CHANGE_ACTION,
 542   GADGET_ID_GROUP_CONTENT,
 543   GADGET_ID_RANDOM_BACKGROUND,
 544
 545   // text input identifiers
 546
 547   GADGET_ID_LEVEL_NAME,
 548   GADGET_ID_LEVEL_AUTHOR,
 549   GADGET_ID_LEVELSET_NAME,
 550   GADGET_ID_LEVELSET_AUTHOR,
 551   GADGET_ID_ELEMENT_NAME,
 552
 553   // text area identifiers
 554
 555   GADGET_ID_ENVELOPE_INFO,
 556
 557   // selectbox identifiers
 558
 559   GADGET_ID_TIME_OR_STEPS,
 560   GADGET_ID_GAME_ENGINE_TYPE,
 561   GADGET_ID_LEVELSET_SAVE_MODE,
 562   GADGET_ID_WIND_DIRECTION,
 563   GADGET_ID_PLAYER_SPEED,
 564   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 565   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 566   GADGET_ID_CUSTOM_DEADLINESS,
 567   GADGET_ID_CUSTOM_MOVE_PATTERN,
 568   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 569   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 570   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 571   GADGET_ID_CUSTOM_SMASH_TARGETS,
 572   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 573   GADGET_ID_CUSTOM_ACCESS_TYPE,
 574   GADGET_ID_CUSTOM_ACCESS_LAYER,
 575   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 576   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 577   GADGET_ID_CHANGE_TIME_UNITS,
 578   GADGET_ID_CHANGE_DIRECT_ACTION,
 579   GADGET_ID_CHANGE_OTHER_ACTION,
 580   GADGET_ID_CHANGE_SIDE,
 581   GADGET_ID_CHANGE_PLAYER,
 582   GADGET_ID_CHANGE_PAGE,
 583   GADGET_ID_CHANGE_REPLACE_WHEN,
 584   GADGET_ID_ACTION_TYPE,
 585   GADGET_ID_ACTION_MODE,
 586   GADGET_ID_ACTION_ARG,
 587   GADGET_ID_SELECT_CHANGE_PAGE,
 588   GADGET_ID_GROUP_CHOICE_MODE,
 589
 590   // textbutton identifiers
 591
 592   GADGET_ID_LEVELINFO_LEVEL,
 593   GADGET_ID_LEVELINFO_LEVELSET,
 594   GADGET_ID_LEVELINFO_EDITOR,
 595   GADGET_ID_PROPERTIES_INFO,
 596   GADGET_ID_PROPERTIES_CONFIG,
 597   GADGET_ID_PROPERTIES_CONFIG_1,
 598   GADGET_ID_PROPERTIES_CONFIG_2,
 599   GADGET_ID_PROPERTIES_CHANGE,
 600   GADGET_ID_SAVE_AS_TEMPLATE_1,
 601   GADGET_ID_SAVE_AS_TEMPLATE_2,
 602   GADGET_ID_SAVE_LEVELSET,
 603   GADGET_ID_ADD_CHANGE_PAGE,
 604   GADGET_ID_DEL_CHANGE_PAGE,
 605
 606   // graphicbutton identifiers
 607
 608   GADGET_ID_PREV_CHANGE_PAGE,
 609   GADGET_ID_NEXT_CHANGE_PAGE,
 610   GADGET_ID_COPY_CHANGE_PAGE,
 611   GADGET_ID_PASTE_CHANGE_PAGE,
 612
 613   // gadgets for scrolling of drawing area
 614
 615   GADGET_ID_SCROLL_UP,
 616   GADGET_ID_SCROLL_DOWN,
 617   GADGET_ID_SCROLL_LEFT,
 618   GADGET_ID_SCROLL_RIGHT,
 619   GADGET_ID_SCROLL_HORIZONTAL,
 620   GADGET_ID_SCROLL_VERTICAL,
 621
 622   // gadgets for scrolling element list
 623
 624   GADGET_ID_SCROLL_LIST_UP,
 625   GADGET_ID_SCROLL_LIST_DOWN,
 626   GADGET_ID_SCROLL_LIST_VERTICAL,
 627
 628   // checkbuttons/radiobuttons for level/element properties
 629
 630   GADGET_ID_AUTO_COUNT_GEMS,
 631   GADGET_ID_USE_LEVELSET_ARTWORK,
 632   GADGET_ID_COPY_LEVEL_TEMPLATE,
 633   GADGET_ID_RANDOM_PERCENTAGE,
 634   GADGET_ID_RANDOM_QUANTITY,
 635   GADGET_ID_RANDOM_RESTRICTED,
 636   GADGET_ID_STICK_ELEMENT,
 637   GADGET_ID_EM_SLIPPERY_GEMS,
 638   GADGET_ID_EM_EXPLODES_BY_FIRE,
 639   GADGET_ID_USE_SPRING_BUG,
 640   GADGET_ID_USE_TIME_ORB_BUG,
 641   GADGET_ID_USE_LIFE_BUGS,
 642   GADGET_ID_RANDOM_BALL_CONTENT,
 643   GADGET_ID_INITIAL_BALL_STATE,
 644   GADGET_ID_GROW_INTO_DIGGABLE,
 645   GADGET_ID_SB_FIELDS_NEEDED,
 646   GADGET_ID_SB_OBJECTS_NEEDED,
 647   GADGET_ID_AUTO_EXIT_SOKOBAN,
 648   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 649   GADGET_ID_CONTINUOUS_SNAPPING,
 650   GADGET_ID_BLOCK_SNAP_FIELD,
 651   GADGET_ID_BLOCK_LAST_FIELD,
 652   GADGET_ID_SP_BLOCK_LAST_FIELD,
 653   GADGET_ID_INSTANT_RELOCATION,
 654   GADGET_ID_SHIFTED_RELOCATION,
 655   GADGET_ID_LAZY_RELOCATION,
 656   GADGET_ID_USE_START_ELEMENT,
 657   GADGET_ID_USE_ARTWORK_ELEMENT,
 658   GADGET_ID_USE_EXPLOSION_ELEMENT,
 659   GADGET_ID_INITIAL_GRAVITY,
 660   GADGET_ID_USE_INITIAL_INVENTORY,
 661   GADGET_ID_CAN_PASS_TO_WALKABLE,
 662   GADGET_ID_CAN_FALL_INTO_ACID,
 663   GADGET_ID_CAN_MOVE_INTO_ACID,
 664   GADGET_ID_DONT_COLLIDE_WITH,
 665   GADGET_ID_ENVELOPE_AUTOWRAP,
 666   GADGET_ID_ENVELOPE_CENTERED,
 667   GADGET_ID_MM_LASER_RED,
 668   GADGET_ID_MM_LASER_GREEN,
 669   GADGET_ID_MM_LASER_BLUE,
 670   GADGET_ID_DF_LASER_RED,
 671   GADGET_ID_DF_LASER_GREEN,
 672   GADGET_ID_DF_LASER_BLUE,
 673   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 674   GADGET_ID_CUSTOM_CAN_EXPLODE,
 675   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 676   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 677   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 678   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 679   GADGET_ID_CUSTOM_DEADLY,
 680   GADGET_ID_CUSTOM_CAN_MOVE,
 681   GADGET_ID_CUSTOM_CAN_FALL,
 682   GADGET_ID_CUSTOM_CAN_SMASH,
 683   GADGET_ID_CUSTOM_SLIPPERY,
 684   GADGET_ID_CUSTOM_ACCESSIBLE,
 685   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 686   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 687   GADGET_ID_CUSTOM_USE_GRAPHIC,
 688   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 689   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 690   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 691   GADGET_ID_CUSTOM_CAN_CHANGE,
 692   GADGET_ID_CHANGE_USE_CONTENT,
 693   GADGET_ID_CHANGE_USE_EXPLOSION,
 694   GADGET_ID_CHANGE_ONLY_COMPLETE,
 695   GADGET_ID_CHANGE_USE_RANDOM,
 696   GADGET_ID_CHANGE_HAS_ACTION,
 697   GADGET_ID_CHANGE_DELAY,
 698   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 699   GADGET_ID_CHANGE_BY_OTHER_ACT,
 700
 701   NUM_STATIC_GADGET_IDS
 702 };
 703
 704 // gadgets for buttons in element list (dynamic)
 705 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 706 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 707                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 708
 709 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 710
 711 // radio button numbers
 712 enum
 713 {
 714   RADIO_NR_NONE,
 715   RADIO_NR_DRAWING_TOOLBOX,
 716   RADIO_NR_RANDOM_ELEMENTS
 717 };
 718
 719 // values for counter gadgets
 720 enum
 721 {
 722   ED_COUNTER_ID_SELECT_LEVEL,
 723   ED_COUNTER_ID_LEVEL_XSIZE,
 724   ED_COUNTER_ID_LEVEL_YSIZE,
 725   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 726   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 727   ED_COUNTER_ID_LEVEL_TIMESCORE,
 728   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 729   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 730   ED_COUNTER_ID_LEVEL_RANDOM,
 731   ED_COUNTER_ID_ELEMENT_VALUE1,
 732   ED_COUNTER_ID_ELEMENT_VALUE2,
 733   ED_COUNTER_ID_ELEMENT_VALUE3,
 734   ED_COUNTER_ID_ELEMENT_VALUE4,
 735   ED_COUNTER_ID_YAMYAM_CONTENT,
 736   ED_COUNTER_ID_BALL_CONTENT,
 737   ED_COUNTER_ID_ANDROID_CONTENT,
 738   ED_COUNTER_ID_ENVELOPE_XSIZE,
 739   ED_COUNTER_ID_ENVELOPE_YSIZE,
 740   ED_COUNTER_ID_INVENTORY_SIZE,
 741   ED_COUNTER_ID_CUSTOM_SCORE,
 742   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 743   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 744   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 745   ED_COUNTER_ID_PUSH_DELAY_FIX,
 746   ED_COUNTER_ID_PUSH_DELAY_RND,
 747   ED_COUNTER_ID_DROP_DELAY_FIX,
 748   ED_COUNTER_ID_DROP_DELAY_RND,
 749   ED_COUNTER_ID_MOVE_DELAY_FIX,
 750   ED_COUNTER_ID_MOVE_DELAY_RND,
 751   ED_COUNTER_ID_EXPLOSION_DELAY,
 752   ED_COUNTER_ID_IGNITION_DELAY,
 753   ED_COUNTER_ID_GROUP_CONTENT,
 754   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 755   ED_COUNTER_ID_CHANGE_DELAY_RND,
 756   ED_COUNTER_ID_CHANGE_CONT_RND,
 757
 758   ED_NUM_COUNTERBUTTONS
 759 };
 760
 761 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 762 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 763 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 764 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 765 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 766 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 767
 768 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 769 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 770 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 771 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 772 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 773 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 774
 775 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 776 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 777
 778 // values for scrollbutton gadgets
 779 enum
 780 {
 781   ED_SCROLLBUTTON_ID_AREA_UP,
 782   ED_SCROLLBUTTON_ID_AREA_DOWN,
 783   ED_SCROLLBUTTON_ID_AREA_LEFT,
 784   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 785   ED_SCROLLBUTTON_ID_LIST_UP,
 786   ED_SCROLLBUTTON_ID_LIST_DOWN,
 787
 788   ED_NUM_SCROLLBUTTONS
 789 };
 790
 791 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 792 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 793
 794 // values for scrollbar gadgets
 795 enum
 796 {
 797   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 798   ED_SCROLLBAR_ID_AREA_VERTICAL,
 799   ED_SCROLLBAR_ID_LIST_VERTICAL,
 800
 801   ED_NUM_SCROLLBARS
 802 };
 803
 804 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 805 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 806
 807 // values for text input gadgets
 808 enum
 809 {
 810   ED_TEXTINPUT_ID_LEVEL_NAME,
 811   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 812   ED_TEXTINPUT_ID_LEVELSET_NAME,
 813   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 814   ED_TEXTINPUT_ID_ELEMENT_NAME,
 815
 816   ED_NUM_TEXTINPUT
 817 };
 818
 819 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 820 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 821
 822 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 823 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 824
 825 // values for text area gadgets
 826 enum
 827 {
 828   ED_TEXTAREA_ID_ENVELOPE_INFO,
 829
 830   ED_NUM_TEXTAREAS
 831 };
 832
 833 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 834 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 835
 836 // values for selectbox gadgets
 837 enum
 838 {
 839   ED_SELECTBOX_ID_TIME_OR_STEPS,
 840   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 841   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 842   ED_SELECTBOX_ID_WIND_DIRECTION,
 843   ED_SELECTBOX_ID_PLAYER_SPEED,
 844   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 845   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 846   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 847   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 848   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 849   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 850   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 851   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 852   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 853   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 854   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 855   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 856   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 857   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 858   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 859   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 860   ED_SELECTBOX_ID_CHANGE_SIDE,
 861   ED_SELECTBOX_ID_CHANGE_PLAYER,
 862   ED_SELECTBOX_ID_CHANGE_PAGE,
 863   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 864   ED_SELECTBOX_ID_ACTION_TYPE,
 865   ED_SELECTBOX_ID_ACTION_MODE,
 866   ED_SELECTBOX_ID_ACTION_ARG,
 867   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 868   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 869
 870   ED_NUM_SELECTBOX
 871 };
 872
 873 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 874 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 875
 876 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 877 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 878
 879 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 880 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 881 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 882 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 883 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 884 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 885
 886 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 887 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 888
 889 // values for textbutton gadgets
 890 enum
 891 {
 892   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 893   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 894   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 895   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 896   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 897   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 898   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 899   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 900   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 901   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 902   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 903   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 904   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 905
 906   ED_NUM_TEXTBUTTONS
 907 };
 908
 909 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 910 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 911
 912 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 913 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 914
 915 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 916 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 917
 918 // values for graphicbutton gadgets
 919 enum
 920 {
 921   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 922   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 923   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 924   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 925
 926   ED_NUM_GRAPHICBUTTONS
 927 };
 928
 929 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 930 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 931
 932 // values for checkbutton gadgets
 933 enum
 934 {
 935   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 936   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 937   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 938   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 939   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 940   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 941   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 942   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 943   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 944   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 945   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 946   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 947   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 948   ED_CHECKBUTTON_ID_INITIAL_BALL_STATE,
 949   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 950   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 951   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 952   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 953   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 954   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 955   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 956   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 957   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 958   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 959   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 960   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 961   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 962   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 963   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 964   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 965   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 966   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 967   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 968   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 969   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 970   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 971   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 972   ED_CHECKBUTTON_ID_MM_LASER_RED,
 973   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 974   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 975   ED_CHECKBUTTON_ID_DF_LASER_RED,
 976   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 977   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 978   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 979   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 980   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 981   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
 982   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
 983   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
 984   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
 985   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
 986   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
 987   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
 988   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
 989   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
 990   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
 991   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
 992   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
 993   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
 994   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
 995   ED_CHECKBUTTON_ID_CHANGE_DELAY,
 996   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
 997   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
 998   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
 999   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1000   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1001   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1002   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1003
1004   ED_NUM_CHECKBUTTONS
1005 };
1006
1007 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1008 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1009
1010 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1011 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1012
1013 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1014 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1015
1016 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1017 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1018 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1019 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1020 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1021 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1022
1023 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1024 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1025
1026 // values for radiobutton gadgets
1027 enum
1028 {
1029   ED_RADIOBUTTON_ID_PERCENTAGE,
1030   ED_RADIOBUTTON_ID_QUANTITY,
1031
1032   ED_NUM_RADIOBUTTONS
1033 };
1034
1035 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1036 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1037
1038 // values for drawing area gadgets
1039 enum
1040 {
1041   ED_DRAWING_ID_DRAWING_LEVEL,
1042   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1043   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1044   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1045   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1046   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1047   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1048   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1049   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1050   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1051   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1052   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1053   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1054   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1055   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1056   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1057   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1058   ED_DRAWING_ID_ANDROID_CONTENT,
1059   ED_DRAWING_ID_AMOEBA_CONTENT,
1060   ED_DRAWING_ID_START_ELEMENT,
1061   ED_DRAWING_ID_ARTWORK_ELEMENT,
1062   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1063   ED_DRAWING_ID_INVENTORY_CONTENT,
1064   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1065   ED_DRAWING_ID_CUSTOM_CONTENT,
1066   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1067   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1068   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1069   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1070   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1071   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1072   ED_DRAWING_ID_GROUP_CONTENT,
1073   ED_DRAWING_ID_RANDOM_BACKGROUND,
1074
1075   ED_NUM_DRAWING_AREAS
1076 };
1077
1078 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1079 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1080
1081
1082 // ----------------------------------------------------------------------------
1083 // some internally used definitions
1084 // ----------------------------------------------------------------------------
1085
1086 // values for CopyLevelToUndoBuffer()
1087 #define UNDO_IMMEDIATE                  0
1088 #define UNDO_ACCUMULATE                 1
1089
1090 // values for scrollbars
1091 #define ED_SCROLL_NO                    0
1092 #define ED_SCROLL_LEFT                  1
1093 #define ED_SCROLL_RIGHT                 2
1094 #define ED_SCROLL_UP                    4
1095 #define ED_SCROLL_DOWN                  8
1096
1097 // screens in the level editor
1098 #define ED_MODE_DRAWING                 0
1099 #define ED_MODE_INFO                    1
1100 #define ED_MODE_PROPERTIES              2
1101 #define ED_MODE_PALETTE                 3
1102
1103 // sub-screens in the global settings section
1104 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1105 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1106 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1107
1108 // sub-screens in the element properties section
1109 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1110 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1111 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1112 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1113 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1114
1115 // how many steps can be cancelled
1116 #define NUM_UNDO_STEPS                  (64 + 1)
1117
1118 // values for elements with score for certain actions
1119 #define MIN_SCORE                       0
1120 #define MAX_SCORE                       999
1121
1122 // values for elements with count for collecting
1123 #define MIN_COLLECT_COUNT               0
1124 #define MAX_COLLECT_COUNT               999
1125
1126 // values for random placement
1127 #define RANDOM_USE_PERCENTAGE           0
1128 #define RANDOM_USE_QUANTITY             1
1129
1130 // values for level set save mode
1131 #define LEVELSET_SAVE_MODE_UPDATE       0
1132 #define LEVELSET_SAVE_MODE_CREATE       1
1133
1134 // default value for element tile size in drawing area
1135 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1136 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1137
1138
1139 // ----------------------------------------------------------------------------
1140 // some internally used data structure definitions
1141 // ----------------------------------------------------------------------------
1142
1143 static struct
1144 {
1145   int graphic;
1146   int gadget_id;
1147   struct XYTileSize *pos;
1148   int gadget_type;
1149   char *infotext;
1150   char shortcut;
1151 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1152 {
1153   // note: some additional characters are already reserved for "cheat mode"
1154   // shortcuts (":XYZ" style) -- for details, see "events.c"
1155
1156   // ---------- toolbox control buttons ---------------------------------------
1157
1158   {
1159     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1160     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1161     "draw single items",                        's'
1162   },
1163   {
1164     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1165     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1166     "draw connected items",                     'd'
1167   },
1168   {
1169     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1170     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1171     "draw lines",                               'l'
1172   },
1173   {
1174     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1175     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1176     "draw arcs",                                'a'
1177   },
1178   {
1179     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1180     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1181     "draw outline rectangles",                  'r'
1182   },
1183   {
1184     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1185     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1186     "draw filled rectangles",                   'R'
1187   },
1188   {
1189     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1190     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1191     "wrap (rotate) level up",                   0
1192   },
1193   {
1194     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1195     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1196     "enter text elements",                      't'
1197   },
1198   {
1199     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1200     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1201     "flood fill",                               'f'
1202   },
1203   {
1204     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1205     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1206     "wrap (rotate) level left",                 0
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1210     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1211     "zoom level tile size",                     '+'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1215     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1216     "wrap (rotate) level right",                0
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1220     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1221     "random element placement",                 0
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1225     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1226     "grab brush",                               'b'
1227   },
1228   {
1229     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1230     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1231     "wrap (rotate) level down",                 0
1232   },
1233   {
1234     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1235     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1236     "pick drawing element",                     ','
1237   },
1238
1239   // ---------- level control buttons -----------------------------------------
1240
1241   {
1242     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1243     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1244     "undo/redo last operation",                 'u'
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1248     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1249     "properties of level",                      'I'
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1253     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1254     "save level",                               'S'
1255   },
1256   {
1257     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1258     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1259     "clear level",                              'C'
1260   },
1261   {
1262     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1263     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1264     "test level",                               'T'
1265   },
1266   {
1267     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1268     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1269     "exit level editor",                        'E'
1270   },
1271
1272   // ---------- CE and GE control buttons -------------------------------------
1273
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1276     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1277     "copy settings from other element",         0
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1281     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1282     "copy settings to other element",           0
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1286     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1287     "exchange element with other element",      0
1288   },
1289   {
1290     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1291     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1292     "copy settings from this element",          0
1293   },
1294   {
1295     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1296     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1297     "paste settings to this element",           0
1298   },
1299
1300   // ---------- palette control buttons ---------------------------------------
1301
1302   {
1303     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1304     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1305     "properties of drawing element",            'p'
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1309     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1310     "properties of drawing element 1",          '1'
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1314     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1315     "properties of drawing element 2",          '2'
1316   },
1317   {
1318     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1319     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1320     "properties of drawing element 3",          '3'
1321   },
1322   {
1323     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1324     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1325     "show list of elements",                    'e'
1326   }
1327 };
1328
1329 static int random_placement_value = 10;
1330 static int random_placement_method = RANDOM_USE_QUANTITY;
1331 static int random_placement_background_element = EL_SAND;
1332 static boolean random_placement_background_restricted = FALSE;
1333 static boolean stick_element_properties_window = FALSE;
1334 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1335 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1336 static struct ElementChangeInfo custom_element_change;
1337 static struct ElementGroupInfo group_element_info;
1338 static struct ElementInfo custom_element;
1339
1340 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1341 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1342 static int levelset_num_levels = 100;
1343 static boolean levelset_use_levelset_artwork = FALSE;
1344 static boolean levelset_copy_level_template = FALSE;
1345 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1346
1347 static struct
1348 {
1349   int x, y;
1350   int min_value, max_value;
1351   int gadget_id_down, gadget_id_up;
1352   int gadget_id_text;
1353   int gadget_id_align;
1354   int *value;
1355   char *text_above, *text_left, *text_right;
1356 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1357 {
1358   // ---------- current level number ------------------------------------------
1359
1360   {
1361     -1, -1,     // these values are not constant, but can change at runtime
1362     1,                                  100,
1363     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1364     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1365     &level_nr,
1366     NULL,                               NULL, NULL
1367   },
1368
1369   // ---------- level and editor settings -------------------------------------
1370
1371   {
1372     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1373     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1374     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1375     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1376     &level.fieldx,
1377     "playfield size:",                  NULL, "width",
1378   },
1379   {
1380     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1381     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1382     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1383     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1384     &level.fieldy,
1385     NULL,                               " ", "height",
1386   },
1387   {
1388     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1389     0,                                  999,
1390     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1391     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1392     &level.gems_needed,
1393     NULL,                               "number of gems to collect:", NULL
1394   },
1395   {
1396     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1397     0,                                  9999,
1398     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1399     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1400     &level.time,
1401     "time or step limit to solve level:", NULL, NULL
1402   },
1403   {
1404     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1405     0,                                  999,
1406     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1407     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1408     &level.score[SC_TIME_BONUS],
1409     "score for each second/step left:", NULL, NULL
1410   },
1411   {
1412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1413     0,                                  9999,
1414     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1415     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1416     &level.random_seed,
1417     NULL,                               "random seed:", "(0 => random)"
1418   },
1419   {
1420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1421     1,                                  MAX_LEVELS,
1422     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1423     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1424     &levelset_num_levels,
1425     "number of levels:",                NULL, NULL,
1426   },
1427   {
1428     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1429     1,                                  100,
1430     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1431     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1432     &random_placement_value,
1433     "random element placement:",        NULL, "in"
1434   },
1435
1436   // ---------- element settings: configure (various elements) ----------------
1437
1438   {
1439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1440     MIN_SCORE,                          MAX_SCORE,
1441     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1442     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1443     NULL,                               // will be set when used
1444     NULL,                               NULL, NULL
1445   },
1446   {
1447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1448     MIN_SCORE,                          MAX_SCORE,
1449     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1450     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1451     NULL,                               // will be set when used
1452     NULL,                               NULL, NULL
1453   },
1454   {
1455     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1456     MIN_SCORE,                          MAX_SCORE,
1457     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1458     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1459     NULL,                               // will be set when used
1460     NULL,                               NULL, NULL
1461   },
1462   {
1463     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1464     MIN_SCORE,                          MAX_SCORE,
1465     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1466     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1467     NULL,                               // will be set when used
1468     NULL,                               NULL, NULL
1469   },
1470   {
1471     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1472     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1473     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1474     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1475     &level.num_yamyam_contents,
1476     NULL,                               NULL, "number of content areas"
1477   },
1478   {
1479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1480     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1481     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1482     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1483     &level.num_ball_contents,
1484     NULL,                               NULL, "number of content areas"
1485   },
1486   {
1487     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1488     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1489     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1490     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1491     &level.num_android_clone_elements,
1492     NULL,                               NULL, "number of clonable elements"
1493   },
1494   {
1495     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1496     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1497     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1498     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1499     NULL,                               // will be set when used
1500     NULL,                               NULL, "width",
1501   },
1502   {
1503     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1504     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1505     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1506     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1507     NULL,                               // will be set when used
1508     NULL,                               " ", "height",
1509   },
1510   {
1511     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1512     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1513     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1514     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1515     &level.initial_inventory_size[0],
1516     NULL,                               NULL, "number of inventory elements"
1517   },
1518
1519   // ---------- element settings: configure 1 (custom elements) ---------------
1520
1521   {
1522     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1523     MIN_SCORE,                          MAX_SCORE,
1524     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1525     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1526     &custom_element.collect_score_initial,
1527     NULL,                               "CE score", " "
1528   },
1529   {
1530     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1531     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1532     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1533     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1534     &custom_element.collect_count_initial,
1535     NULL,                               "CE count", NULL
1536   },
1537   {
1538     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1539     0,                                  9999,
1540     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1541     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1542     &custom_element.ce_value_fixed_initial,
1543     NULL,                               "CE value", NULL
1544   },
1545   {
1546     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1547     0,                                  9999,
1548     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1549     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1550     &custom_element.ce_value_random_initial,
1551     NULL,                               "+random", NULL
1552   },
1553   {
1554     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1555     0,                                  999,
1556     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1557     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1558     &custom_element.push_delay_fixed,
1559     NULL,                               "push delay", NULL
1560   },
1561   {
1562     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1563     0,                                  999,
1564     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1565     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1566     &custom_element.push_delay_random,
1567     NULL,                               "+random", NULL
1568   },
1569   {
1570     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1571     0,                                  999,
1572     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1573     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1574     &custom_element.drop_delay_fixed,
1575     NULL,                               "drop delay", NULL
1576   },
1577   {
1578     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1579     0,                                  999,
1580     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1581     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1582     &custom_element.drop_delay_random,
1583     NULL,                               "+random", NULL
1584   },
1585
1586   // ---------- element settings: configure 2 (custom elements) ---------------
1587
1588   {
1589     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1590     0,                                  999,
1591     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1592     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1593     &custom_element.move_delay_fixed,
1594     NULL,                               "move delay", NULL
1595   },
1596   {
1597     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1598     0,                                  999,
1599     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1600     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1601     &custom_element.move_delay_random,
1602     NULL,                               "+random", NULL
1603   },
1604   {
1605     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1606     0,                                  999,
1607     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1608     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1609     &custom_element.explosion_delay,
1610     NULL,                               "explosion delay", NULL
1611   },
1612   {
1613     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1614     0,                                  999,
1615     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1616     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1617     &custom_element.ignition_delay,
1618     NULL,                               "ignition delay", "(by fire)"
1619   },
1620
1621   // ---------- element settings: configure (group elements) ------------------
1622
1623   {
1624     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1625     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1626     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1627     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1628     &group_element_info.num_elements,
1629     NULL,                               NULL, "number of elements in group"
1630   },
1631
1632   // ---------- element settings: advanced (custom elements) ------------------
1633
1634   {
1635     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1636     0,                                  999,
1637     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1638     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1639     &custom_element_change.delay_fixed,
1640     NULL,                               "CE delay", NULL,
1641   },
1642   {
1643     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1644     0,                                  999,
1645     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1646     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1647     &custom_element_change.delay_random,
1648     NULL,                               "+random", NULL
1649   },
1650   {
1651     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1652     0,                                  100,
1653     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1654     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1655     &custom_element_change.random_percentage,
1656     NULL,                               "use random replace:", "%"
1657   },
1658 };
1659
1660 static struct
1661 {
1662   int x, y;
1663   int gadget_id;
1664   int size;
1665   char *value;
1666   char *text_above, *infotext;
1667 } textinput_info[ED_NUM_TEXTINPUT] =
1668 {
1669   {
1670     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1671     GADGET_ID_LEVEL_NAME,
1672     MAX_LEVEL_NAME_LEN,
1673     level.name,
1674     "Title:", "Title for this level"
1675   },
1676   {
1677     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1678     GADGET_ID_LEVEL_AUTHOR,
1679     MAX_LEVEL_AUTHOR_LEN,
1680     level.author,
1681     "Author:", "Author for this level"
1682   },
1683   {
1684     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1685     GADGET_ID_LEVELSET_NAME,
1686     MAX_LEVEL_NAME_LEN,
1687     levelset_name,
1688     "Title:", "Title for this or new level set"
1689   },
1690   {
1691     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1692     GADGET_ID_LEVELSET_AUTHOR,
1693     MAX_LEVEL_AUTHOR_LEN,
1694     levelset_author,
1695     "Author:", "Author for this or new level set"
1696   },
1697   {
1698     -1, -1,     // these values are not constant, but can change at runtime
1699     GADGET_ID_ELEMENT_NAME,
1700     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1701     custom_element.description,
1702     NULL, "Element name"
1703   }
1704 };
1705
1706 static struct
1707 {
1708   int x, y;
1709   int gadget_id;
1710   int xsize, ysize;
1711   char *value;
1712   char *text_above, *infotext;
1713 } textarea_info[ED_NUM_TEXTAREAS] =
1714 {
1715   {
1716     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1717     GADGET_ID_ENVELOPE_INFO,
1718     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1719     NULL,
1720     "Envelope Content:", "Envelope Content"
1721   }
1722 };
1723
1724 static struct ValueTextInfo options_time_or_steps[] =
1725 {
1726   { 0,                          "seconds"                       },
1727   { 1,                          "steps"                         },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_game_engine_type[] =
1733 {
1734   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1735   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1736   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1737   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1738
1739   { -1,                         NULL                            }
1740 };
1741
1742 static struct ValueTextInfo options_levelset_save_mode[] =
1743 {
1744   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1745   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1746
1747   { -1,                         NULL                            }
1748 };
1749
1750 static struct ValueTextInfo options_wind_direction[] =
1751 {
1752   { MV_START_NONE,              "none"                          },
1753   { MV_START_LEFT,              "left"                          },
1754   { MV_START_RIGHT,             "right"                         },
1755   { MV_START_UP,                "up"                            },
1756   { MV_START_DOWN,              "down"                          },
1757
1758   { -1,                         NULL                            }
1759 };
1760
1761 static struct ValueTextInfo options_player_speed[] =
1762 {
1763   { 0,                          "frozen"                        },
1764   { 1,                          "very slow"                     },
1765   { 2,                          "slow"                          },
1766   { 4,                          "normal"                        },
1767   { 8,                          "fast"                          },
1768   { 16,                         "very fast"                     },
1769   { 32,                         "ultrafast"                     },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_access_type[] =
1775 {
1776   { EP_WALKABLE,                "walkable"                      },
1777   { EP_PASSABLE,                "passable"                      },
1778
1779   { -1,                         NULL                            }
1780 };
1781
1782 static struct ValueTextInfo options_access_layer[] =
1783 {
1784   { EP_ACCESSIBLE_OVER,         "over"                          },
1785   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1786   { EP_ACCESSIBLE_UNDER,        "under"                         },
1787
1788   { -1,                         NULL                            }
1789 };
1790
1791 static struct ValueTextInfo options_access_protected[] =
1792 {
1793   { 0,                          "unprotected"                   },
1794   { 1,                          "protected"                     },
1795
1796   { -1,                         NULL                            }
1797 };
1798
1799 static struct ValueTextInfo options_access_direction[] =
1800 {
1801   { MV_NO_DIRECTION,            "no direction"                  },
1802   { MV_LEFT,                    "left"                          },
1803   { MV_RIGHT,                   "right"                         },
1804   { MV_UP,                      "up"                            },
1805   { MV_DOWN,                    "down"                          },
1806   { MV_LEFT  | MV_UP,           "left + up"                     },
1807   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1808   { MV_RIGHT | MV_UP,           "right + up"                    },
1809   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1810   { MV_HORIZONTAL,              "horizontal"                    },
1811   { MV_VERTICAL,                "vertical"                      },
1812   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1813   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1814   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1815   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1816   { MV_ALL_DIRECTIONS,          "all directions"                },
1817
1818   { -1,                         NULL                            }
1819 };
1820
1821 static struct ValueTextInfo options_walk_to_action[] =
1822 {
1823   { EP_DIGGABLE,                "diggable"                      },
1824   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1825   { EP_DROPPABLE,               "collectible & droppable"       },
1826   { EP_THROWABLE,               "collectible & throwable"       },
1827   { EP_PUSHABLE,                "pushable"                      },
1828
1829   { -1,                         NULL                            }
1830 };
1831
1832 static struct ValueTextInfo options_move_pattern[] =
1833 {
1834   { MV_LEFT,                    "left"                          },
1835   { MV_RIGHT,                   "right"                         },
1836   { MV_UP,                      "up"                            },
1837   { MV_DOWN,                    "down"                          },
1838   { MV_HORIZONTAL,              "horizontal"                    },
1839   { MV_VERTICAL,                "vertical"                      },
1840   { MV_ALL_DIRECTIONS,          "all directions"                },
1841   { MV_WIND_DIRECTION,          "wind direction"                },
1842   { MV_TOWARDS_PLAYER,          "towards player"                },
1843   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1844   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1845   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1846   { MV_TURNING_LEFT,            "turning left"                  },
1847   { MV_TURNING_RIGHT,           "turning right"                 },
1848   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1849   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1850   { MV_TURNING_RANDOM,          "turning random"                },
1851   { MV_MAZE_RUNNER,             "maze runner style"             },
1852   { MV_MAZE_HUNTER,             "maze hunter style"             },
1853   { MV_WHEN_PUSHED,             "when pushed"                   },
1854   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1855
1856   { -1,                         NULL                            }
1857 };
1858
1859 static struct ValueTextInfo options_move_direction[] =
1860 {
1861   { MV_START_AUTOMATIC,         "automatic"                     },
1862   { MV_START_LEFT,              "left"                          },
1863   { MV_START_RIGHT,             "right"                         },
1864   { MV_START_UP,                "up"                            },
1865   { MV_START_DOWN,              "down"                          },
1866   { MV_START_RANDOM,            "random"                        },
1867   { MV_START_PREVIOUS,          "previous"                      },
1868
1869   { -1,                         NULL                            }
1870 };
1871
1872 static struct ValueTextInfo options_move_stepsize[] =
1873 {
1874   { 0,                          "not moving"                    },
1875   { 1,                          "very slow"                     },
1876   { 2,                          "slow"                          },
1877   { 4,                          "normal"                        },
1878   { 8,                          "fast"                          },
1879   { 16,                         "very fast"                     },
1880   { 32,                         "even faster"                   },
1881
1882   { -1,                         NULL                            }
1883 };
1884
1885 static struct ValueTextInfo options_move_leave_type[] =
1886 {
1887   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1888   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1889
1890   { -1,                         NULL                            }
1891 };
1892
1893 static struct ValueTextInfo options_smash_targets[] =
1894 {
1895   { EP_CAN_SMASH_PLAYER,        "player"                        },
1896 #if 0
1897   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1898 #endif
1899   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1900
1901   { -1,                         NULL                            }
1902 };
1903
1904 static struct ValueTextInfo options_slippery_type[] =
1905 {
1906   { SLIPPERY_ANY_RANDOM,        "random"                        },
1907   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1908   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1909   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1910   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1911
1912   { -1,                         NULL                            }
1913 };
1914
1915 static struct ValueTextInfo options_deadliness[] =
1916 {
1917   { EP_DONT_RUN_INTO,           "running into"                  },
1918   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1919   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1920   { EP_DONT_TOUCH,              "touching"                      },
1921
1922   { -1,                         NULL                            }
1923 };
1924
1925 static struct ValueTextInfo options_explosion_type[] =
1926 {
1927   { EXPLODES_3X3,               "3x3"                           },
1928   { EXPLODES_CROSS,             "3+3"                           },
1929   { EXPLODES_1X1,               "1x1"                           },
1930
1931   { -1,                         NULL                            }
1932 };
1933
1934 static struct ValueTextInfo options_time_units[] =
1935 {
1936   { 1,                          "frames"                        },
1937   { FRAMES_PER_SECOND,          "seconds"                       },
1938
1939   { -1,                         NULL                            }
1940 };
1941
1942 static struct ValueTextInfo options_change_direct_action[] =
1943 {
1944   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1945   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1946   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1947   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1948   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1949   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1950   { CE_LEFT_BY_PLAYER,          "left by player"                },
1951   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1952   { CE_SWITCHED,                "switched"                      },
1953   { CE_HITTING_SOMETHING,       "hitting something"             },
1954   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1955 #if 0
1956   { CE_BLOCKED,                 "blocked"                       },
1957 #endif
1958   { CE_IMPACT,                  "impact (on something)"         },
1959   { CE_SMASHED,                 "smashed (from above)"          },
1960 #if 0
1961   { CE_VALUE_CHANGES,           "CE value changes"              },
1962   { CE_SCORE_CHANGES,           "CE score changes"              },
1963 #endif
1964   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1965   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1966
1967   { -1,                         NULL                            }
1968 };
1969
1970 static struct ValueTextInfo options_change_other_action[] =
1971 {
1972   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1973   { CE_PLAYER_PRESSES_X,        "player presses"                },
1974   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1975   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1976   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1977   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1978   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1979   { CE_PLAYER_DIGS_X,           "player digs"                   },
1980   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1981   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1982   { CE_TOUCHING_X,              "touching"                      },
1983   { CE_HITTING_X,               "hitting"                       },
1984   { CE_DIGGING_X,               "digging"                       },
1985   { CE_HIT_BY_X,                "hit by"                        },
1986   { CE_SWITCH_OF_X,             "switch of"                     },
1987   { CE_CHANGE_OF_X,             "change by page of"             },
1988   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1989   { CE_MOVE_OF_X,               "move of"                       },
1990   { CE_CREATION_OF_X,           "creation of"                   },
1991   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1992   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1993   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1994   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1995
1996   { -1,                         NULL                            }
1997 };
1998
1999 static struct ValueTextInfo options_change_trigger_side[] =
2000 {
2001   { CH_SIDE_LEFT,               "left"                          },
2002   { CH_SIDE_RIGHT,              "right"                         },
2003   { CH_SIDE_TOP,                "top"                           },
2004   { CH_SIDE_BOTTOM,             "bottom"                        },
2005   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2006   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2007   { CH_SIDE_ANY,                "any"                           },
2008
2009   { -1,                         NULL                            }
2010 };
2011
2012 static struct ValueTextInfo options_change_trigger_player[] =
2013 {
2014   { CH_PLAYER_1,                "1"                             },
2015   { CH_PLAYER_2,                "2"                             },
2016   { CH_PLAYER_3,                "3"                             },
2017   { CH_PLAYER_4,                "4"                             },
2018   { CH_PLAYER_ANY,              "any"                           },
2019
2020   { -1,                         NULL                            }
2021 };
2022
2023 static struct ValueTextInfo options_change_trigger_page[] =
2024 {
2025   { (1 << 0),                   "1"                             },
2026   { (1 << 1),                   "2"                             },
2027   { (1 << 2),                   "3"                             },
2028   { (1 << 3),                   "4"                             },
2029   { (1 << 4),                   "5"                             },
2030   { (1 << 5),                   "6"                             },
2031   { (1 << 6),                   "7"                             },
2032   { (1 << 7),                   "8"                             },
2033   { (1 << 8),                   "9"                             },
2034   { (1 << 9),                   "10"                            },
2035   { (1 << 10),                  "11"                            },
2036   { (1 << 11),                  "12"                            },
2037   { (1 << 12),                  "13"                            },
2038   { (1 << 13),                  "14"                            },
2039   { (1 << 14),                  "15"                            },
2040   { (1 << 15),                  "16"                            },
2041   { (1 << 16),                  "17"                            },
2042   { (1 << 17),                  "18"                            },
2043   { (1 << 18),                  "19"                            },
2044   { (1 << 19),                  "20"                            },
2045   { (1 << 20),                  "21"                            },
2046   { (1 << 21),                  "22"                            },
2047   { (1 << 22),                  "23"                            },
2048   { (1 << 23),                  "24"                            },
2049   { (1 << 24),                  "25"                            },
2050   { (1 << 25),                  "26"                            },
2051   { (1 << 26),                  "27"                            },
2052   { (1 << 27),                  "28"                            },
2053   { (1 << 28),                  "29"                            },
2054   { (1 << 29),                  "30"                            },
2055   { (1 << 30),                  "31"                            },
2056   { (1 << 31),                  "32"                            },
2057   { CH_PAGE_ANY,                "any"                           },
2058
2059   { -1,                         NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_change_replace_when[] =
2063 {
2064   { CP_WHEN_EMPTY,              "empty"                         },
2065   { CP_WHEN_WALKABLE,           "walkable"                      },
2066   { CP_WHEN_DIGGABLE,           "diggable"                      },
2067   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2068   { CP_WHEN_REMOVABLE,          "removable"                     },
2069   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2070
2071   { -1,                         NULL                            }
2072 };
2073
2074 static struct ValueTextInfo options_action_type[] =
2075 {
2076   { CA_NO_ACTION,               "no action"                     },
2077   { CA_UNDEFINED,               " "                             },
2078   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2079   { CA_RESTART_LEVEL,           "restart level"                 },
2080   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2081   { CA_SET_LEVEL_TIME,          "set time"                      },
2082   { CA_SET_LEVEL_SCORE,         "set score"                     },
2083   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2084   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2085   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2086   { CA_UNDEFINED,               " "                             },
2087   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2088   { CA_MOVE_PLAYER,             "move player"                   },
2089   { CA_EXIT_PLAYER,             "exit player"                   },
2090   { CA_KILL_PLAYER,             "kill player"                   },
2091   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2092   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2093   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2094   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2095   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2096   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2097   { CA_UNDEFINED,               " "                             },
2098   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2099   { CA_SET_CE_VALUE,            "set CE value"                  },
2100   { CA_SET_CE_SCORE,            "set CE score"                  },
2101   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2102   { CA_UNDEFINED,               " "                             },
2103   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2104   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2105
2106   { -1,                         NULL                            }
2107 };
2108
2109 static struct ValueTextInfo options_action_mode_none[] =
2110 {
2111   { CA_MODE_UNDEFINED,          " "                             },
2112
2113   { -1,                         NULL                            }
2114 };
2115
2116 static struct ValueTextInfo options_action_mode_assign[] =
2117 {
2118   { CA_MODE_SET,                "="                             },
2119
2120   { -1,                         NULL                            }
2121 };
2122
2123 static struct ValueTextInfo options_action_mode_add_remove[] =
2124 {
2125   { CA_MODE_ADD,                "+"                             },
2126   { CA_MODE_SUBTRACT,           "-"                             },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_action_mode_calculate[] =
2132 {
2133   { CA_MODE_SET,                "="                             },
2134   { CA_MODE_ADD,                "+"                             },
2135   { CA_MODE_SUBTRACT,           "-"                             },
2136   { CA_MODE_MULTIPLY,           "*"                             },
2137   { CA_MODE_DIVIDE,             "/"                             },
2138   { CA_MODE_MODULO,             "%"                             },
2139
2140   { -1,                         NULL                            }
2141 };
2142
2143 static struct ValueTextInfo options_action_arg_none[] =
2144 {
2145   { CA_ARG_UNDEFINED,           "         "                     },
2146
2147   { -1,                         NULL                            }
2148 };
2149
2150 static struct ValueTextInfo options_action_arg_player[] =
2151 {
2152   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2153   { CA_ARG_PLAYER_1,            "1"                             },
2154   { CA_ARG_PLAYER_2,            "2"                             },
2155   { CA_ARG_PLAYER_3,            "3"                             },
2156   { CA_ARG_PLAYER_4,            "4"                             },
2157   { CA_ARG_PLAYER_ANY,          "any"                           },
2158   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2159   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2160
2161   { -1,                         NULL                            }
2162 };
2163
2164 static struct ValueTextInfo options_action_arg_number[] =
2165 {
2166   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2167   { CA_ARG_0,                   "0"                             },
2168   { CA_ARG_1,                   "1"                             },
2169   { CA_ARG_2,                   "2"                             },
2170   { CA_ARG_3,                   "3"                             },
2171   { CA_ARG_4,                   "4"                             },
2172   { CA_ARG_5,                   "5"                             },
2173   { CA_ARG_10,                  "10"                            },
2174   { CA_ARG_100,                 "100"                           },
2175   { CA_ARG_1000,                "1000"                          },
2176   { CA_ARG_UNDEFINED,           " "                             },
2177   { CA_ARG_NUMBER_MIN,          "min"                           },
2178   { CA_ARG_NUMBER_MAX,          "max"                           },
2179   { CA_ARG_UNDEFINED,           " "                             },
2180   { CA_ARG_NUMBER_RESET,        "reset"                         },
2181   { CA_ARG_UNDEFINED,           " "                             },
2182   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2183   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2184   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2185   { CA_ARG_UNDEFINED,           " "                             },
2186   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2187   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2188   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2191   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2192   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2193   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2194   { CA_ARG_UNDEFINED,           " "                             },
2195   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2196   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2197   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2198   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2199
2200   { -1,                         NULL                            }
2201 };
2202
2203 static struct ValueTextInfo options_action_arg_value[] =
2204 {
2205   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2206   { CA_ARG_0,                   "0"                             },
2207   { CA_ARG_1,                   "1"                             },
2208   { CA_ARG_2,                   "2"                             },
2209   { CA_ARG_3,                   "3"                             },
2210   { CA_ARG_4,                   "4"                             },
2211   { CA_ARG_5,                   "5"                             },
2212   { CA_ARG_10,                  "10"                            },
2213   { CA_ARG_100,                 "100"                           },
2214   { CA_ARG_1000,                "1000"                          },
2215   { CA_ARG_UNDEFINED,           " "                             },
2216   { CA_ARG_NUMBER_MIN,          "min"                           },
2217   { CA_ARG_NUMBER_MAX,          "max"                           },
2218   { CA_ARG_UNDEFINED,           " "                             },
2219   { CA_ARG_NUMBER_RESET,        "reset"                         },
2220   { CA_ARG_UNDEFINED,           " "                             },
2221   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2222   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2223   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2224   { CA_ARG_UNDEFINED,           " "                             },
2225   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2226   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2227   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2228   { CA_ARG_UNDEFINED,           " "                             },
2229   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2230   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2231   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2232   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2233   { CA_ARG_UNDEFINED,           " "                             },
2234   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2235   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2236   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2237   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2238   { CA_ARG_UNDEFINED,           " "                             },
2239   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2240   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2241   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2242   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2243
2244   { -1,                         NULL                            }
2245 };
2246
2247 static struct ValueTextInfo options_action_arg_envelope[] =
2248 {
2249   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2250   { CA_ARG_1,                   "1"                             },
2251   { CA_ARG_2,                   "2"                             },
2252   { CA_ARG_3,                   "3"                             },
2253   { CA_ARG_4,                   "4"                             },
2254   { CA_ARG_UNDEFINED,           " "                             },
2255   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2256   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2257   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2258   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2259
2260   { -1,                         NULL                            }
2261 };
2262
2263 static struct ValueTextInfo options_action_arg_key[] =
2264 {
2265   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2266   { CA_ARG_1,                   "1"                             },
2267   { CA_ARG_2,                   "2"                             },
2268   { CA_ARG_3,                   "3"                             },
2269   { CA_ARG_4,                   "4"                             },
2270   { CA_ARG_5,                   "5"                             },
2271   { CA_ARG_6,                   "6"                             },
2272   { CA_ARG_7,                   "7"                             },
2273   { CA_ARG_8,                   "8"                             },
2274   { CA_ARG_UNDEFINED,           " "                             },
2275   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2276   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2277   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2278   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2279
2280   { -1,                         NULL                            }
2281 };
2282
2283 static struct ValueTextInfo options_action_arg_speed[] =
2284 {
2285   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2286   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2287   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2288   { CA_ARG_SPEED_SLOW,          "slow"                          },
2289   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2290   { CA_ARG_SPEED_FAST,          "fast"                          },
2291   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2292   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2293   { CA_ARG_UNDEFINED,           " "                             },
2294   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2295   { CA_ARG_SPEED_FASTER,        "faster"                        },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_SPEED_RESET,         "reset"                         },
2298
2299   { -1,                         NULL                            }
2300 };
2301
2302 static struct ValueTextInfo options_action_arg_shield[] =
2303 {
2304   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2305   { CA_ARG_SHIELD_OFF,          "off"                           },
2306   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2307   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_action_arg_artwork[] =
2313 {
2314   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2315   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2316   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2317   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2318   { CA_ARG_UNDEFINED,           " "                             },
2319   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2320
2321   { -1,                         NULL                            }
2322 };
2323
2324 static struct ValueTextInfo options_action_arg_gravity[] =
2325 {
2326   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2327   { CA_ARG_GRAVITY_ON,          "on"                            },
2328   { CA_ARG_GRAVITY_OFF,         "off"                           },
2329   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2330
2331   { -1,                         NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_action_arg_direction[] =
2335 {
2336   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2337   { CA_ARG_DIRECTION_NONE,      "none"                          },
2338   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2339   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2340   { CA_ARG_DIRECTION_UP,        "up"                            },
2341   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2342   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2343   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2344
2345   { -1,                         NULL                            }
2346 };
2347
2348 static struct ValueTextInfo options_action_arg_scan_mode[] =
2349 {
2350   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2351   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2352   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2353
2354   { -1,                         NULL                            }
2355 };
2356
2357 static struct ValueTextInfo options_action_arg_inventory[] =
2358 {
2359   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2360   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2361   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2362   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2363   { CA_ARG_UNDEFINED,           " "                             },
2364   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2365   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2366   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2367   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2368   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2369   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2370   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2371   { CA_ARG_UNDEFINED,           " "                             },
2372   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2373
2374   { -1,                         NULL                            }
2375 };
2376
2377 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2378 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2379 {
2380   { -1,                         NULL                            }
2381 };
2382
2383 static struct ValueTextInfo options_group_choice_mode[] =
2384 {
2385   { ANIM_RANDOM,                "random"                        },
2386   { ANIM_LOOP,                  "loop"                          },
2387   { ANIM_LINEAR,                "linear"                        },
2388   { ANIM_PINGPONG,              "pingpong"                      },
2389   { ANIM_PINGPONG2,             "pingpong 2"                    },
2390
2391   { -1,                         NULL                            }
2392 };
2393
2394 static struct ValueTextInfo *action_arg_modes[] =
2395 {
2396   options_action_mode_none,
2397   options_action_mode_assign,
2398   options_action_mode_add_remove,
2399   options_action_mode_calculate,
2400 };
2401
2402 static struct
2403 {
2404   int value;
2405   int mode;
2406   struct ValueTextInfo *options;
2407 }
2408 action_arg_options[] =
2409 {
2410   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2411   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2412   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2413   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2414   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2415   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2416   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2417   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2418   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2419   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2420   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2421   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2422   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2423   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2424   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2425   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2426   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2427   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2428   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2429   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2430   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2431
2432   { -1,                         FALSE,  NULL                            }
2433 };
2434
2435 static struct
2436 {
2437   int x, y;
2438   int gadget_id;
2439   int gadget_id_align;
2440   int size;     // char size of selectbox or '-1' (dynamically determined)
2441   struct ValueTextInfo *options;
2442   int *value;
2443   char *text_above, *text_left, *text_right, *infotext;
2444 } selectbox_info[ED_NUM_SELECTBOX] =
2445 {
2446   // ---------- level and editor settings -------------------------------------
2447
2448   {
2449     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2450     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2451     -1,
2452     options_time_or_steps,
2453     &level.use_step_counter,
2454     NULL, NULL, "(0 => no limit)",      "time or step limit"
2455   },
2456   {
2457     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2458     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2459     -1,
2460     options_game_engine_type,
2461     &level.game_engine_type,
2462     NULL, "game engine:", NULL,         "game engine"
2463   },
2464   {
2465     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2466     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2467     -1,
2468     options_levelset_save_mode,
2469     &levelset_save_mode,
2470     "Action:", NULL, NULL,              "action when saving level set"
2471   },
2472
2473   // ---------- element settings: configure (several elements) ----------------
2474
2475   {
2476     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2477     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2478     -1,
2479     options_wind_direction,
2480     &level.wind_direction_initial,
2481     NULL, "initial wind direction:", NULL,      "initial wind direction"
2482   },
2483   {
2484     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2485     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2486     -1,
2487     options_player_speed,
2488     &level.initial_player_stepsize[0],
2489     NULL, "initial player speed:", NULL,        "initial player speed"
2490   },
2491
2492   // ---------- element settings: configure 1 (custom elements) ---------------
2493
2494   {
2495     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2496     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2497     -1,
2498     options_access_type,
2499     &custom_element.access_type,
2500     NULL, NULL, NULL,                   "type of access to this field"
2501   },
2502   {
2503     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2504     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2505     -1,
2506     options_access_layer,
2507     &custom_element.access_layer,
2508     NULL, NULL, NULL,                   "layer of access for this field"
2509   },
2510   {
2511     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2512     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2513     -1,
2514     options_access_protected,
2515     &custom_element.access_protected,
2516     NULL, NULL, NULL,                   "protected access for this field"
2517   },
2518   {
2519     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2520     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2521     -1,
2522     options_access_direction,
2523     &custom_element.access_direction,
2524     NULL, "from", NULL,                 "access direction for this field"
2525   },
2526   {
2527     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2528     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2529     -1,
2530     options_walk_to_action,
2531     &custom_element.walk_to_action,
2532     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2533   },
2534
2535   // ---------- element settings: configure 2 (custom elements) ---------------
2536
2537   {
2538     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2539     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2540     -1,
2541     options_move_pattern,
2542     &custom_element.move_pattern,
2543     NULL, "can move", NULL,             "element move pattern"
2544   },
2545   {
2546     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2547     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2548     -1,
2549     options_move_direction,
2550     &custom_element.move_direction_initial,
2551     NULL, "starts moving", NULL,        "initial element move direction"
2552   },
2553   {
2554     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2555     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2556     -1,
2557     options_move_stepsize,
2558     &custom_element.move_stepsize,
2559     NULL, "move/fall speed", NULL,      "speed of element movement"
2560   },
2561   {
2562     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2563     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2564     -1,
2565     options_move_leave_type,
2566     &custom_element.move_leave_type,
2567     // left text with leading spaces to place gadget next to "can dig" gadget
2568     // (needed because drawing area gadgets created after selectbox gadgets)
2569     // NULL, "can dig:    can", ":",    "leave behind or change element"
2570     NULL, "            can", ":",       "leave behind or change element"
2571   },
2572   {
2573     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2574     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2575     -1,
2576     options_smash_targets,
2577     &custom_element.smash_targets,
2578     NULL, "can smash", NULL,            "elements that can be smashed"
2579   },
2580   {
2581     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2582     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2583     -1,
2584     options_slippery_type,
2585     &custom_element.slippery_type,
2586     NULL, "slippery", NULL,             "where other elements fall down"
2587   },
2588   {
2589     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2590     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2591     -1,
2592     options_deadliness,
2593     &custom_element.deadliness,
2594     NULL, "deadly when", NULL,          "deadliness of element"
2595   },
2596   {
2597     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2598     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2599     -1,
2600     options_explosion_type,
2601     &custom_element.explosion_type,
2602     NULL, "can explode", NULL,          "explosion type"
2603   },
2604
2605   // ---------- element settings: advanced (custom elements) ------------------
2606
2607   {
2608     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2609     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2610     -1,
2611     options_time_units,
2612     &custom_element_change.delay_frames,
2613     NULL, "delay time given in", NULL,  "delay time units for change"
2614   },
2615   {
2616     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2617     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2618     -1,
2619     options_change_direct_action,
2620     &custom_element_change.direct_action,
2621     NULL, NULL, NULL,                   "type of direct action"
2622   },
2623   {
2624     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2625     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2626     -1,
2627     options_change_other_action,
2628     &custom_element_change.other_action,
2629     NULL, NULL, "element:",             "type of other element action"
2630   },
2631   {
2632     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2633     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2634     -1,
2635     options_change_trigger_side,
2636     &custom_element_change.trigger_side,
2637     NULL, "at", "side",                 "element side triggering change"
2638   },
2639   {
2640     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2641     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2642     -1,
2643     options_change_trigger_player,
2644     &custom_element_change.trigger_player,
2645     NULL, "player:", " ",               "player that causes change"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2649     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2650     -1,
2651     options_change_trigger_page,
2652     &custom_element_change.trigger_page,
2653     NULL, "page:", NULL,                "change page that causes change"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2657     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2658     -1,
2659     options_change_replace_when,
2660     &custom_element_change.replace_when,
2661     NULL, "replace when", NULL,         "which elements can be replaced"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2665     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2666     -1,
2667     options_action_type,
2668     &custom_element_change.action_type,
2669     NULL, NULL, NULL,                   "action on specified condition"
2670   },
2671   {
2672     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2673     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2674     -1,
2675     options_action_mode_none,
2676     &custom_element_change.action_mode,
2677     NULL, NULL, NULL,                   "action operator"
2678   },
2679   {
2680     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2681     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2682     -1,
2683     options_action_arg_none,
2684     &custom_element_change.action_arg,
2685     NULL, NULL, NULL,                   "action parameter"
2686   },
2687   {
2688     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2689     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2690     3,
2691     options_change_page,
2692     &custom_element.current_change_page,
2693     NULL, NULL, NULL,                   "element change page"
2694   },
2695
2696   // ---------- element settings: configure (group elements) ------------------
2697
2698   {
2699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2700     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2701     -1,
2702     options_group_choice_mode,
2703     &group_element_info.choice_mode,
2704     NULL, "choice type:", NULL,         "type of group element choice"
2705   },
2706 };
2707
2708 static struct
2709 {
2710   int x, y;
2711   int gadget_id;
2712   int gadget_id_align;
2713   int size;
2714   char *text;
2715   char *text_above, *text_left, *text_right, *infotext;
2716 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2717 {
2718   // ---------- level and editor settings (tabs) ------------------------------
2719
2720   {
2721     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2722     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2723     8,                                  "Level",
2724     NULL, NULL, NULL,                   "Configure level properties"
2725   },
2726   {
2727     -1,                                 -1,
2728     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2729     8,                                  "Levelset",
2730     NULL, NULL, NULL,                   "Update this or create new level set"
2731   },
2732   {
2733     -1,                                 -1,
2734     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2735     8,                                  "Editor",
2736     NULL, NULL, NULL,                   "Configure editor properties"
2737   },
2738
2739   // ---------- element settings (tabs) ---------------------------------------
2740
2741   {
2742     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2743     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2744     8,                                  "Info",
2745     NULL, NULL, NULL,                   "Show information about element"
2746   },
2747   {
2748     -1,                                 -1,
2749     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2750     8,                                  "Config",
2751     NULL, NULL, NULL,                   "Configure element properties"
2752   },
2753   {
2754     -1,                                 -1,
2755     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2756     8,                                  "Config 1",
2757     NULL, NULL, NULL,                   "Configure element properties, part 1"
2758   },
2759   {
2760     -1,                                 -1,
2761     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2762     8,                                  "Config 2",
2763     NULL, NULL, NULL,                   "Configure element properties, part 2"
2764   },
2765   {
2766     -1,                                 -1,
2767     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2768     8,                                  "Change",
2769     NULL, NULL, NULL,                   "Configure custom element change pages"
2770   },
2771
2772   // ---------- level and editor settings (buttons) ---------------------------
2773
2774   {
2775     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2776     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2777     -1,                                 "Save",
2778     NULL, NULL, NULL,                   "Update or create level set"
2779   },
2780   {
2781     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2782     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2783     -1,                                 "Save",
2784     NULL, NULL,                         "this level as level template",
2785     "Save current settings as new template"
2786   },
2787
2788   // ---------- element settings (buttons) ------------------------------------
2789
2790   {
2791     -1,                                 -1,
2792     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2793     -1,                                 "Save",
2794     NULL, " ",                          "As Template",
2795     "Save current settings as new template"
2796   },
2797   {
2798     -1,                                 -1,
2799     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2800     -1,                                 "New",
2801     NULL, NULL, NULL,                   "Add new change page"
2802   },
2803   {
2804     -1,                                 -1,
2805     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2806     -1,                                 "Delete",
2807     NULL, NULL, NULL,                   "Delete current change page"
2808   },
2809 };
2810
2811 static struct
2812 {
2813   int graphic;
2814   int x, y;
2815   int gadget_id;
2816   int gadget_id_align;
2817   char *text_left, *text_right, *infotext;
2818 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2819 {
2820   {
2821     IMG_EDITOR_COUNTER_DOWN,
2822     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2823     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2824     NULL, NULL,                         "select previous change page"
2825   },
2826   {
2827     IMG_EDITOR_COUNTER_UP,
2828     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2829     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2830     NULL, "change page",                "select next change page"
2831   },
2832   {
2833     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2834     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2835     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2836     " ", NULL,                          "copy settings from this change page"
2837   },
2838   {
2839     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2840     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2841     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2842     NULL, NULL,                         "paste settings to this change page"
2843   },
2844 };
2845
2846 static struct
2847 {
2848   int x, y;
2849 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2850
2851 static struct
2852 {
2853   int graphic;
2854   int gadget_id;
2855   char *infotext;
2856 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2857 {
2858   {
2859     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2860     GADGET_ID_SCROLL_UP,
2861     "scroll level editing area up"
2862   },
2863   {
2864     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2865     GADGET_ID_SCROLL_DOWN,
2866     "scroll level editing area down"
2867   },
2868   {
2869     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2870     GADGET_ID_SCROLL_LEFT,
2871     "scroll level editing area left"
2872   },
2873   {
2874     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2875     GADGET_ID_SCROLL_RIGHT,
2876     "scroll level editing area right"
2877   },
2878   {
2879     IMG_EDITOR_PALETTE_SCROLL_UP,
2880     GADGET_ID_SCROLL_LIST_UP,
2881     "scroll element list up ('Page Up')"
2882   },
2883   {
2884     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2885     GADGET_ID_SCROLL_LIST_DOWN,
2886     "scroll element list down ('Page Down')"
2887   },
2888 };
2889
2890 static struct
2891 {
2892   int x, y;
2893   int width, height;
2894   int wheel_x, wheel_y;
2895   int wheel_width, wheel_height;
2896 } scrollbar_pos[ED_NUM_SCROLLBARS];
2897
2898 static struct
2899 {
2900   int graphic;
2901   int type;
2902   int gadget_id;
2903   char *infotext;
2904 } scrollbar_info[ED_NUM_SCROLLBARS] =
2905 {
2906   {
2907     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2908     GD_TYPE_SCROLLBAR_HORIZONTAL,
2909     GADGET_ID_SCROLL_HORIZONTAL,
2910     "scroll level editing area horizontally"
2911   },
2912   {
2913     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2914     GD_TYPE_SCROLLBAR_VERTICAL,
2915     GADGET_ID_SCROLL_VERTICAL,
2916     "scroll level editing area vertically"
2917   },
2918   {
2919     IMG_EDITOR_PALETTE_SCROLLBAR,
2920     GD_TYPE_SCROLLBAR_VERTICAL,
2921     GADGET_ID_SCROLL_LIST_VERTICAL,
2922     "scroll element list vertically"
2923   }
2924 };
2925
2926
2927 static struct
2928 {
2929   int x, y;
2930   int gadget_id;
2931   int gadget_id_align;
2932   int radio_button_nr;
2933   int *value;
2934   int checked_value;
2935   char *text_left, *text_right, *infotext;
2936 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2937 {
2938   {
2939     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2940     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2941     RADIO_NR_RANDOM_ELEMENTS,
2942     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2943     " ", "percentage",                  "use percentage for random elements"
2944   },
2945   {
2946     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2947     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2948     RADIO_NR_RANDOM_ELEMENTS,
2949     &random_placement_method,           RANDOM_USE_QUANTITY,
2950     " ", "quantity",                    "use quantity for random elements"
2951   }
2952 };
2953
2954 static struct
2955 {
2956   int x, y;
2957   int gadget_id;
2958   int gadget_id_align;
2959   boolean *value;
2960   char *text_above, *text_left, *text_right, *infotext;
2961 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2962 {
2963   // ---------- level and editor settings -------------------------------------
2964
2965   {
2966     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2967     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2968     &level.auto_count_gems,
2969     NULL, NULL,
2970     "automatically count gems needed",  "set counter to number of gems"
2971   },
2972   {
2973     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2974     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2975     &levelset_use_levelset_artwork,
2976     NULL, NULL,
2977     "use current custom artwork",       "use custom artwork of this level set"
2978   },
2979   {
2980     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2981     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2982     &levelset_copy_level_template,
2983     NULL, NULL,
2984     "copy current level template",      "copy level template of this level set"
2985   },
2986   {
2987     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2988     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2989     &random_placement_background_restricted,
2990     NULL, NULL,
2991     "restrict random placement to:",    "set random placement restriction"
2992   },
2993   {
2994     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2995     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2996     &setup.editor.use_template_for_new_levels,
2997     "Template for new levels and CE/GE:", NULL,
2998     "use template for new levels",      "use template for level properties"
2999   },
3000   {
3001     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3002     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3003     &level.use_custom_template,
3004     NULL, NULL,
3005     "use template for custom elements", "use template for custom properties"
3006   },
3007
3008   // ---------- element settings: configure (various elements) ----------------
3009
3010   {
3011     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3012     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3013     &stick_element_properties_window,
3014     NULL, NULL,
3015     "stick this screen to edit content","stick this screen to edit content"
3016   },
3017   {
3018     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3019     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3020     &level.em_slippery_gems,
3021     NULL, NULL,
3022     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3023   },
3024   {
3025     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3026     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3027     &level.em_explodes_by_fire,
3028     NULL, NULL,
3029     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3030   },
3031   {
3032     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3033     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3034     &level.use_spring_bug,
3035     NULL, NULL,
3036     "use spring pushing bug",           "use odd spring pushing behaviour"
3037   },
3038   {
3039     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3040     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3041     &level.use_time_orb_bug,
3042     NULL, NULL,
3043     "use time orb bug",                 "use odd time orb behaviour"
3044   },
3045   {
3046     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3047     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3048     &level.use_life_bugs,
3049     NULL, NULL,
3050     "use buggy element behaviour",      "use odd (historic) element behaviour"
3051   },
3052   {
3053     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3054     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3055     &level.ball_random,
3056     NULL, NULL,
3057     "create single random element",     "only create one element from content"
3058   },
3059   {
3060     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3061     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
3062     &level.ball_state_initial,
3063     NULL, NULL,
3064     "magic ball initially activated",   "activate magic ball after level start"
3065   },
3066   {
3067     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3068     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3069     &level.grow_into_diggable,
3070     NULL, NULL,
3071     "can grow into anything diggable",  "grow into more than just sand"
3072   },
3073   {
3074     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3075     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3076     &level.sb_fields_needed,
3077     NULL, NULL,
3078     "all fields need to be filled",     "require all SB fields to be solved"
3079   },
3080   {
3081     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3082     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3083     &level.sb_objects_needed,
3084     NULL, NULL,
3085     "all objects need to be placed",    "require all SB objects to be solved"
3086   },
3087   {
3088     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3089     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3090     &level.auto_exit_sokoban,
3091     NULL, NULL,
3092     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3093   },
3094   {
3095     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3096     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3097     &level.solved_by_one_player,
3098     NULL, NULL,
3099     "only one player must enter exit",  "level solved by first player in exit"
3100   },
3101   {
3102     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3103     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3104     &level.continuous_snapping,
3105     NULL, NULL,
3106     "continuous snapping",              "use snapping without releasing key"
3107   },
3108   {
3109     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3110     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3111     &level.block_snap_field,
3112     NULL, NULL,
3113     "block snapped field when snapping", "use snapping delay to show animation"
3114   },
3115   {
3116     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3117     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3118     &level.block_last_field,
3119     NULL, NULL,
3120     "block last field when moving",     "player blocks last field when moving"
3121   },
3122   {
3123     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3124     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3125     &level.sp_block_last_field,
3126     NULL, NULL,
3127     "block last field when moving",     "player blocks last field when moving"
3128   },
3129   {
3130     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3131     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3132     &level.instant_relocation,
3133     NULL, NULL,
3134     "no scrolling when relocating",     "player gets relocated without delay"
3135   },
3136   {
3137     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3138     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3139     &level.shifted_relocation,
3140     NULL, NULL,
3141     "no centering when relocating",     "level not centered after relocation"
3142   },
3143   {
3144     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3145     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3146     &level.lazy_relocation,
3147     NULL, NULL,
3148     "only redraw off-screen relocation","no redraw if relocation target visible"
3149   },
3150   {
3151     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3152     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3153     &level.use_start_element[0],
3154     NULL, NULL,
3155     "use level start element:",        "start level at this element's position"
3156   },
3157   {
3158     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3159     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3160     &level.use_artwork_element[0],
3161     NULL, NULL,
3162     "use artwork from element:",        "use player artwork from other element"
3163   },
3164   {
3165     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3166     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3167     &level.use_explosion_element[0],
3168     NULL, NULL,
3169     "use explosion from element:",      "use explosion properties from element"
3170   },
3171   {
3172     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3173     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3174     &level.initial_player_gravity[0],
3175     NULL, NULL,
3176     "use initial gravity",              "set initial player gravity"
3177   },
3178   {
3179     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3180     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3181     &level.use_initial_inventory[0],
3182     NULL, NULL,
3183     "use initial inventory:",           "use collected elements on level start"
3184   },
3185   {
3186     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3187     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3188     &level.can_pass_to_walkable,
3189     NULL, NULL,
3190     "can pass to walkable element",     "player can pass to empty or walkable"
3191   },
3192   {
3193     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3194     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3195     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3196     NULL, NULL,
3197     "can fall into acid (with gravity)","player can fall into acid pool"
3198   },
3199   {
3200     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3201     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3202     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3203     NULL, NULL,
3204     "can move into acid",               "element can move into acid pool"
3205   },
3206   {
3207     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3208     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3209     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3210     NULL, NULL,
3211     "deadly when colliding with",       "element is deadly when hitting player"
3212   },
3213   {
3214     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3215     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3216     &level.envelope[0].autowrap,
3217     NULL, NULL,
3218     "auto-wrap",                        "automatically wrap envelope text"
3219   },
3220   {
3221     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3222     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3223     &level.envelope[0].centered,
3224     NULL, " ",
3225     "centered",                         "automatically center envelope text"
3226   },
3227   {
3228     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3229     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3230     &level.mm_laser_red,
3231     "choose color components for laser:", NULL,
3232     "red",                              "use red color components in laser"
3233   },
3234   {
3235     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3236     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3237     &level.mm_laser_green,
3238     NULL, NULL,
3239     "green",                            "use green color components in laser"
3240   },
3241   {
3242     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3243     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3244     &level.mm_laser_blue,
3245     NULL, NULL,
3246     "blue",                             "use blue color components in laser"
3247   },
3248   {
3249     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3250     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3251     &level.df_laser_red,
3252     "choose color components for laser:", NULL,
3253     "red",                              "use red color components in laser"
3254   },
3255   {
3256     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3257     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3258     &level.df_laser_green,
3259     NULL, NULL,
3260     "green",                            "use green color components in laser"
3261   },
3262   {
3263     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3264     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3265     &level.df_laser_blue,
3266     NULL, NULL,
3267     "blue",                             "use blue color components in laser"
3268   },
3269
3270   // ---------- element settings: configure 1 (custom elements) ---------------
3271
3272   {
3273     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3274     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3275     &custom_element.use_gfx_element,
3276     NULL, NULL,
3277     "use graphic of element:",          "use existing element graphic"
3278   },
3279   {
3280     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3281     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3282     &level.use_custom_template,
3283     NULL, NULL,
3284     "use template",                     "use template for custom properties"
3285   },
3286   {
3287     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3288     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3289     &custom_element_properties[EP_ACCESSIBLE],
3290     NULL, NULL,
3291     NULL,                               "player can walk to or pass this field"
3292   },
3293   {
3294     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3295     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3296     &custom_element_properties[EP_GRAVITY_REACHABLE],
3297     NULL, NULL,
3298     "reachable despite gravity",        "player can walk/dig despite gravity"
3299   },
3300   {
3301     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3302     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3303     &custom_element.use_last_ce_value,
3304     NULL, NULL,
3305     "use last CE value after change",   "use last CE value after change"
3306   },
3307   {
3308     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3309     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3310     &custom_element_properties[EP_WALK_TO_OBJECT],
3311     NULL, NULL,
3312     NULL,                               "player can dig/collect/push element"
3313   },
3314   {
3315     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3316     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3317     &custom_element_properties[EP_INDESTRUCTIBLE],
3318     NULL, NULL,
3319     "indestructible",                   "element is indestructible"
3320   },
3321
3322   // ---------- element settings: configure 2 (custom elements) ---------------
3323
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3326     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3327     &custom_element_properties[EP_CAN_MOVE],
3328     NULL, NULL,
3329     NULL,                               "element can move with some pattern"
3330   },
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3333     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3334     &custom_element_properties[EP_CAN_FALL],
3335     NULL, NULL,
3336     "can fall",                         "element can fall down"
3337   },
3338   {
3339     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3340     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3341     &custom_element_properties[EP_CAN_SMASH],
3342     NULL, " ",
3343     NULL,                               "element can smash other elements"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3347     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3348     &custom_element_properties[EP_SLIPPERY],
3349     NULL, NULL,
3350     NULL,                               "other elements can fall down from it"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3354     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3355     &custom_element_properties[EP_DEADLY],
3356     NULL, NULL,
3357     NULL,                               "element can kill the player"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3361     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3362     &custom_element_properties[EP_CAN_EXPLODE],
3363     NULL, NULL,
3364     NULL,                               "element can explode"
3365   },
3366   {
3367     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3368     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3369     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3370     NULL, NULL,
3371     "by fire",                          "element can explode by fire/explosion"
3372   },
3373   {
3374     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3375     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3376     &custom_element_properties[EP_EXPLODES_SMASHED],
3377     NULL, " ",
3378     "smashed",                          "element can explode when smashed"
3379   },
3380   {
3381     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3382     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3383     &custom_element_properties[EP_EXPLODES_IMPACT],
3384     NULL, " ",
3385     "impact",                           "element can explode on impact"
3386   },
3387
3388   // ---------- element settings: advanced (custom elements) ------------------
3389
3390   {
3391     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3392     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3393     &custom_element_change.can_change,
3394     NULL, NULL,
3395     "element changes to:",              "change element on specified condition"
3396   },
3397   {
3398     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3399     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3400     &custom_element_change_events[CE_DELAY],
3401     NULL, NULL,
3402     NULL,                               "element changes after delay"
3403   },
3404   {
3405     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3406     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3407     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3408     NULL, NULL,
3409     NULL,                               "element changes by direct action"
3410   },
3411   {
3412     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3413     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3414     &custom_element_change_events[CE_BY_OTHER_ACTION],
3415     NULL, NULL,
3416     NULL,                               "element changes by other element"
3417   },
3418   {
3419     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3420     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3421     &custom_element_change.explode,
3422     NULL, NULL,
3423     "explode instead of change",        "element explodes instead of change"
3424   },
3425   {
3426     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3427     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3428     &custom_element_change.use_target_content,
3429     NULL, NULL,
3430     "use extended change target:",      "element changes to more elements"
3431   },
3432   {
3433     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3434     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3435     &custom_element_change.only_if_complete,
3436     NULL, NULL,
3437     "replace all or nothing",           "only replace when all can be changed"
3438   },
3439   {
3440     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3441     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3442     &custom_element_change.use_random_replace,
3443     NULL, NULL,
3444     NULL,                               "use percentage for random replace"
3445   },
3446   {
3447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3448     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3449     &custom_element_change.has_action,
3450     NULL, NULL,
3451     NULL,                               "execute action on specified condition"
3452   },
3453 };
3454
3455 static struct
3456 {
3457   int x, y;
3458   int xoffset, yoffset;
3459   int gadget_id;
3460   int gadget_id_align;
3461   int *value;
3462   int area_xsize, area_ysize;
3463   char *text_left, *text_right, *text_below, *infotext;
3464 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3465 {
3466   // ---------- level playfield content ---------------------------------------
3467
3468   {
3469     0,                                  0,
3470     0,                                  0,
3471     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3472     NULL,
3473     -1, -1,     // these values are not constant, but can change at runtime
3474     NULL, NULL, NULL,                   NULL
3475   },
3476
3477   // ---------- yam yam content -----------------------------------------------
3478
3479   {
3480     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3481     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3482     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3483     &level.yamyam_content[0].e[0][0],   3, 3,
3484     NULL, NULL, "1",                    NULL
3485   },
3486   {
3487     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3488     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3489     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3490     &level.yamyam_content[1].e[0][0],   3, 3,
3491     NULL, NULL, "2",                    NULL
3492   },
3493   {
3494     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3495     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3496     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3497     &level.yamyam_content[2].e[0][0],   3, 3,
3498     NULL, NULL, "3",                    NULL
3499   },
3500   {
3501     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3502     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3503     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3504     &level.yamyam_content[3].e[0][0],   3, 3,
3505     NULL, NULL, "4",                    NULL
3506   },
3507   {
3508     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3509     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3510     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3511     &level.yamyam_content[4].e[0][0],   3, 3,
3512     NULL, NULL, "5",                    NULL
3513   },
3514   {
3515     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3516     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3517     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3518     &level.yamyam_content[5].e[0][0],   3, 3,
3519     NULL, NULL, "6",                    NULL
3520   },
3521   {
3522     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3523     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3524     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3525     &level.yamyam_content[6].e[0][0],   3, 3,
3526     NULL, NULL, "7",                    NULL
3527   },
3528   {
3529     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3530     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3531     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3532     &level.yamyam_content[7].e[0][0],   3, 3,
3533     NULL, NULL, "8",                    NULL
3534   },
3535
3536   // ---------- magic ball content --------------------------------------------
3537
3538   {
3539     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3540     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3541     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3542     &level.ball_content[0].e[0][0],     3, 3,
3543     NULL, NULL, "1",                    NULL
3544   },
3545   {
3546     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3547     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3548     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3549     &level.ball_content[1].e[0][0],     3, 3,
3550     NULL, NULL, "2",                    NULL
3551   },
3552   {
3553     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3554     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3555     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3556     &level.ball_content[2].e[0][0],     3, 3,
3557     NULL, NULL, "3",                    NULL
3558   },
3559   {
3560     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3561     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3562     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3563     &level.ball_content[3].e[0][0],     3, 3,
3564     NULL, NULL, "4",                    NULL
3565   },
3566   {
3567     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3568     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3569     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3570     &level.ball_content[4].e[0][0],     3, 3,
3571     NULL, NULL, "5",                    NULL
3572   },
3573   {
3574     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3575     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3576     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3577     &level.ball_content[5].e[0][0],     3, 3,
3578     NULL, NULL, "6",                    NULL
3579   },
3580   {
3581     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3582     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3583     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3584     &level.ball_content[6].e[0][0],     3, 3,
3585     NULL, NULL, "7",                    NULL
3586   },
3587   {
3588     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3589     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3590     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3591     &level.ball_content[7].e[0][0],     3, 3,
3592     NULL, NULL, "8",                    NULL
3593   },
3594
3595   // ---------- android content -----------------------------------------------
3596
3597   {
3598     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3599     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3600     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3601     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3602     "elements:", NULL, NULL,            "elements android can clone"
3603   },
3604
3605   // ---------- amoeba content ------------------------------------------------
3606
3607   {
3608     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3609     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3610     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3611     &level.amoeba_content,              1, 1,
3612     "content:", NULL, NULL,             "amoeba content"
3613   },
3614
3615   // ---------- level start element -------------------------------------------
3616
3617   {
3618     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3619     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3620     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3621     &level.start_element[0],            1, 1,
3622     NULL, NULL, NULL,                   "level start element"
3623   },
3624
3625   // ---------- player artwork element ----------------------------------------
3626
3627   {
3628     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3629     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3630     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3631     &level.artwork_element[0],          1, 1,
3632     NULL, NULL, NULL,                   "element for player artwork"
3633   },
3634
3635   // ---------- player explosion element --------------------------------------
3636
3637   {
3638     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3639     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3640     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3641     &level.explosion_element[0],        1, 1,
3642     NULL, NULL, NULL,                   "element for player explosion"
3643   },
3644
3645   // ---------- player initial inventory --------------------------------------
3646
3647   {
3648     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3649     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3650     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3651     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3652     NULL, NULL, NULL,                   "content for initial inventory"
3653   },
3654
3655   // ---------- element settings: configure 1 (custom elements) ---------------
3656
3657   // ---------- custom graphic ------------------------------------------------
3658
3659   {
3660     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3661     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3662     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3663     &custom_element.gfx_element_initial,1, 1,
3664     NULL, NULL, NULL,                   "custom graphic element"
3665   },
3666
3667   // ---------- element settings: configure 2 (custom elements) ---------------
3668
3669   // ---------- custom content (when exploding) -------------------------------
3670
3671   {
3672     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3673     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3674     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3675     &custom_element.content.e[0][0],    3, 3,
3676     "content:", NULL, NULL,             NULL
3677   },
3678
3679   // ---------- custom enter and leave element (when moving) ------------------
3680
3681   {
3682     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3683     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3684     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3685     &custom_element.move_enter_element, 1, 1,
3686     "can dig:", " ", NULL,              "element that can be digged/collected"
3687   },
3688   {
3689     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3690     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3691     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3692     &custom_element.move_leave_element, 1, 1,
3693     NULL, NULL, NULL,                   "element that will be left behind"
3694   },
3695
3696   // ---------- element settings: advanced (custom elements) ------------------
3697
3698   // ---------- custom change target ------------------------------------------
3699
3700   {
3701     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3702     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3703     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3704     &custom_element_change.target_element, 1, 1,
3705     NULL, "after/when:", NULL,          "new target element after change"
3706   },
3707
3708   // ---------- custom change content (extended change target) ----------------
3709
3710   {
3711     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3712     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3713     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3714     &custom_element_change.target_content.e[0][0], 3, 3,
3715     NULL, NULL, NULL,                   "new extended elements after change"
3716   },
3717
3718   // ---------- custom change trigger (element causing change) ----------------
3719
3720   {
3721     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3722     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3723     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3724     &custom_element_change.initial_trigger_element, 1, 1,
3725     NULL, NULL, NULL,                   "other element triggering change"
3726   },
3727
3728   // ---------- custom change action (element used for action) ----------------
3729
3730   {
3731     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3732     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3733     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3734     &custom_element_change.action_element, 1, 1,
3735     NULL, NULL, NULL,                   "element used as action parameter"
3736   },
3737
3738   // ---------- group element content -----------------------------------------
3739
3740   {
3741     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3742     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3743     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3744     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3745     "content:", NULL, NULL,             NULL
3746   },
3747
3748   // ---------- random background (for random painting) -----------------------
3749
3750   {
3751     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3752     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3753     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3754     &random_placement_background_element, 1, 1,
3755     NULL, NULL, NULL,                   "random placement background"
3756   },
3757 };
3758
3759
3760 // ----------------------------------------------------------------------------
3761 // some internally used variables
3762 // ----------------------------------------------------------------------------
3763
3764 // maximal size of level editor drawing area
3765 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3766
3767 // actual size of level editor drawing area
3768 static int ed_fieldx, ed_fieldy;
3769
3770 // actual position of level editor drawing area in level playfield
3771 static int level_xpos = -1, level_ypos = -1;
3772
3773 // actual tile size used to display playfield drawing area
3774 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3775 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3776
3777 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3778
3779 // drawing elements on the three mouse buttons
3780 static int new_element1 = EL_WALL;
3781 static int new_element2 = EL_EMPTY;
3782 static int new_element3 = EL_SAND;
3783
3784 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3785 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3786                                 (button) == 2 ? new_element2 : \
3787                                 (button) == 3 ? new_element3 : EL_EMPTY)
3788
3789 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3790
3791 static int use_permanent_palette = TRUE;
3792
3793 #define PX              (use_permanent_palette ? DX : SX)
3794 #define PY              (use_permanent_palette ? DY : SY)
3795 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3796 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3797
3798 // forward declaration for internal use
3799 static void ModifyEditorCounterValue(int, int);
3800 static void ModifyEditorCounterLimits(int, int, int);
3801 static void ModifyEditorSelectboxValue(int, int);
3802 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3803 static void ModifyEditorDrawingArea(int, int, int);
3804 static void ModifyEditorElementList(void);
3805 static void AdjustElementListScrollbar(void);
3806 static void RedrawDrawingElements(void);
3807 static void DrawDrawingWindowExt(boolean);
3808 static void DrawDrawingWindow(void);
3809 static void DrawLevelInfoWindow(void);
3810 static void DrawPropertiesWindow(void);
3811 static void DrawPaletteWindow(void);
3812 static void UpdateCustomElementGraphicGadgets(void);
3813 static boolean checkPropertiesConfig(int);
3814 static void SetAutomaticNumberOfGemsNeeded(void);
3815 static void ClearEditorGadgetInfoText(void);
3816 static void CopyLevelToUndoBuffer(int);
3817 static void HandleDrawingAreas(struct GadgetInfo *);
3818 static void HandleCounterButtons(struct GadgetInfo *);
3819 static void HandleTextInputGadgets(struct GadgetInfo *);
3820 static void HandleTextAreaGadgets(struct GadgetInfo *);
3821 static void HandleSelectboxGadgets(struct GadgetInfo *);
3822 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3823 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3824 static void HandleRadiobuttons(struct GadgetInfo *);
3825 static void HandleCheckbuttons(struct GadgetInfo *);
3826 static void HandleControlButtons(struct GadgetInfo *);
3827 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3828 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3829 static boolean AskToCopyAndModifyLevelTemplate(void);
3830 static boolean getDrawModeHiRes(void);
3831 static int getTabulatorBarWidth(void);
3832 static int getTabulatorBarHeight(void);
3833 static Pixel getTabulatorBarColor(void);
3834
3835 static int num_editor_gadgets = 0;      // dynamically determined
3836
3837 static struct GadgetInfo **level_editor_gadget = NULL;
3838 static int *right_gadget_border = NULL;
3839
3840 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3841 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3842 static boolean draw_with_brush = FALSE;
3843 static int properties_element = 0;
3844
3845 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3846 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3847 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3848 static int undo_buffer_position = 0;
3849 static int undo_buffer_steps = 0;
3850 static int redo_buffer_steps = 0;
3851
3852 static int edit_mode;
3853 static int edit_mode_levelinfo;
3854 static int edit_mode_properties;
3855
3856 static int element_shift = 0;
3857
3858 static int editor_el_players[] =
3859 {
3860   EL_PLAYER_1,
3861   EL_PLAYER_2,
3862   EL_PLAYER_3,
3863   EL_PLAYER_4
3864 };
3865 static int *editor_el_players_ptr = editor_el_players;
3866 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3867
3868 static int editor_hl_boulderdash[] =
3869 {
3870   EL_INTERNAL_CASCADE_BD_ACTIVE,
3871   EL_CHAR('B'),
3872   EL_CHAR('D'),
3873   EL_EMPTY,
3874 };
3875
3876 static int editor_el_boulderdash[] =
3877 {
3878   EL_EMPTY,
3879   EL_SAND,
3880   EL_BD_ROCK,
3881   EL_BD_DIAMOND,
3882
3883   EL_STEELWALL,
3884   EL_BD_WALL,
3885   EL_BD_EXPANDABLE_WALL,
3886   EL_BD_MAGIC_WALL,
3887
3888   EL_BD_AMOEBA,
3889   EL_BD_BUTTERFLY_UP,
3890   EL_BD_FIREFLY_UP,
3891   EL_EXIT_CLOSED,
3892
3893   EL_BD_BUTTERFLY_LEFT,
3894   EL_BD_FIREFLY_LEFT,
3895   EL_BD_BUTTERFLY_RIGHT,
3896   EL_BD_FIREFLY_RIGHT,
3897
3898   EL_EMPTY,
3899   EL_BD_BUTTERFLY_DOWN,
3900   EL_BD_FIREFLY_DOWN,
3901   EL_EXIT_OPEN,
3902 };
3903 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3904 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3905 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3906 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3907
3908 static int editor_hl_emerald_mine[] =
3909 {
3910   EL_INTERNAL_CASCADE_EM_ACTIVE,
3911   EL_CHAR('E'),
3912   EL_CHAR('M'),
3913   EL_EMPTY,
3914 };
3915
3916 static int editor_el_emerald_mine[] =
3917 {
3918   EL_SAND,
3919   EL_ROCK,
3920   EL_QUICKSAND_EMPTY,
3921   EL_QUICKSAND_FULL,
3922
3923   EL_STEELWALL,
3924   EL_WALL,
3925   EL_WALL_SLIPPERY,
3926   EL_MAGIC_WALL,
3927
3928   EL_EMERALD,
3929   EL_DIAMOND,
3930   EL_NUT,
3931   EL_BOMB,
3932
3933   EL_EM_DYNAMITE,
3934   EL_EM_DYNAMITE_ACTIVE,
3935   EL_EM_EXIT_CLOSED,
3936   EL_EM_EXIT_OPEN,
3937
3938   EL_YAMYAM_UP,
3939   EL_BUG_UP,
3940   EL_SPACESHIP_UP,
3941   EL_ROBOT,
3942
3943   EL_BUG_LEFT,
3944   EL_SPACESHIP_LEFT,
3945   EL_BUG_RIGHT,
3946   EL_SPACESHIP_RIGHT,
3947
3948   EL_ROBOT_WHEEL,
3949   EL_BUG_DOWN,
3950   EL_SPACESHIP_DOWN,
3951   EL_INVISIBLE_WALL,
3952
3953   EL_ACID_POOL_TOPLEFT,
3954   EL_ACID,
3955   EL_ACID_POOL_TOPRIGHT,
3956   EL_AMOEBA_DROP,
3957
3958   EL_ACID_POOL_BOTTOMLEFT,
3959   EL_ACID_POOL_BOTTOM,
3960   EL_ACID_POOL_BOTTOMRIGHT,
3961   EL_AMOEBA_WET,
3962
3963   EL_EM_KEY_1,
3964   EL_EM_KEY_2,
3965   EL_EM_KEY_3,
3966   EL_EM_KEY_4,
3967
3968   EL_EM_GATE_1,
3969   EL_EM_GATE_2,
3970   EL_EM_GATE_3,
3971   EL_EM_GATE_4,
3972
3973   EL_EM_GATE_1_GRAY,
3974   EL_EM_GATE_2_GRAY,
3975   EL_EM_GATE_3_GRAY,
3976   EL_EM_GATE_4_GRAY,
3977 };
3978 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3979 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3980 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
3981 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
3982
3983 static int editor_hl_emerald_mine_club[] =
3984 {
3985   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3986   EL_CHAR('E'),
3987   EL_CHAR('M'),
3988   EL_CHAR('C'),
3989 };
3990
3991 static int editor_el_emerald_mine_club[] =
3992 {
3993   EL_EMC_KEY_5,
3994   EL_EMC_KEY_6,
3995   EL_EMC_KEY_7,
3996   EL_EMC_KEY_8,
3997
3998   EL_EMC_GATE_5,
3999   EL_EMC_GATE_6,
4000   EL_EMC_GATE_7,
4001   EL_EMC_GATE_8,
4002
4003   EL_EMC_GATE_5_GRAY,
4004   EL_EMC_GATE_6_GRAY,
4005   EL_EMC_GATE_7_GRAY,
4006   EL_EMC_GATE_8_GRAY,
4007
4008   EL_EMC_STEELWALL_1,
4009   EL_EMC_STEELWALL_2,
4010   EL_EMC_STEELWALL_3,
4011   EL_EMC_STEELWALL_4,
4012
4013   EL_EMC_WALL_13,
4014   EL_EMC_WALL_14,
4015   EL_EMC_WALL_15,
4016   EL_EMC_WALL_16,
4017
4018   EL_EMC_WALL_SLIPPERY_1,
4019   EL_EMC_WALL_SLIPPERY_2,
4020   EL_EMC_WALL_SLIPPERY_3,
4021   EL_EMC_WALL_SLIPPERY_4,
4022
4023   EL_EMC_WALL_1,
4024   EL_EMC_WALL_2,
4025   EL_EMC_WALL_3,
4026   EL_EMC_WALL_4,
4027
4028   EL_EMC_WALL_5,
4029   EL_EMC_WALL_6,
4030   EL_EMC_WALL_7,
4031   EL_EMC_WALL_8,
4032
4033   EL_EMC_WALL_9,
4034   EL_EMC_WALL_10,
4035   EL_EMC_WALL_11,
4036   EL_EMC_WALL_12,
4037
4038   EL_EMC_GRASS,
4039   EL_EMC_FAKE_GRASS,
4040   EL_EMC_PLANT,
4041   EL_EMC_DRIPPER,
4042
4043   EL_EMC_MAGIC_BALL,
4044   EL_EMC_MAGIC_BALL_SWITCH,
4045   EL_SPRING,
4046   EL_EMC_SPRING_BUMPER,
4047
4048   EL_EMC_LENSES,
4049   EL_EMC_MAGNIFIER,
4050   EL_EMPTY,
4051   EL_EMPTY,
4052
4053   EL_BALLOON,
4054   EL_YAMYAM_UP,
4055   EL_BALLOON_SWITCH_UP,
4056   EL_BALLOON_SWITCH_ANY,
4057
4058   EL_YAMYAM_LEFT,
4059   EL_BALLOON_SWITCH_LEFT,
4060   EL_YAMYAM_RIGHT,
4061   EL_BALLOON_SWITCH_RIGHT,
4062
4063   EL_EMC_ANDROID,
4064   EL_YAMYAM_DOWN,
4065   EL_BALLOON_SWITCH_DOWN,
4066   EL_BALLOON_SWITCH_NONE,
4067 };
4068 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4069 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4070 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4071 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4072
4073 static int editor_hl_rnd[] =
4074 {
4075   EL_INTERNAL_CASCADE_RND_ACTIVE,
4076   EL_CHAR('R'),
4077   EL_CHAR('N'),
4078   EL_CHAR('D'),
4079 };
4080
4081 static int editor_el_rnd[] =
4082 {
4083   EL_DYNAMITE,                  // RND
4084   EL_DYNAMITE_ACTIVE,           // RND
4085   EL_EMPTY,
4086   EL_EMPTY,
4087
4088   EL_KEY_1,
4089   EL_KEY_2,
4090   EL_KEY_3,
4091   EL_KEY_4,
4092
4093   EL_GATE_1,
4094   EL_GATE_2,
4095   EL_GATE_3,
4096   EL_GATE_4,
4097
4098   EL_GATE_1_GRAY,
4099   EL_GATE_2_GRAY,
4100   EL_GATE_3_GRAY,
4101   EL_GATE_4_GRAY,
4102
4103   EL_ARROW_LEFT,
4104   EL_ARROW_RIGHT,
4105   EL_ARROW_UP,
4106   EL_ARROW_DOWN,
4107
4108   EL_AMOEBA_DEAD,
4109   EL_AMOEBA_DRY,
4110   EL_AMOEBA_FULL,
4111   EL_GAME_OF_LIFE,
4112
4113   EL_EMERALD_YELLOW,
4114   EL_EMERALD_RED,
4115   EL_EMERALD_PURPLE,
4116   EL_BIOMAZE,
4117
4118   EL_WALL_EMERALD_YELLOW,
4119   EL_WALL_EMERALD_RED,
4120   EL_WALL_EMERALD_PURPLE,
4121   EL_WALL_BD_DIAMOND,
4122
4123   EL_SPEED_PILL,
4124   EL_PACMAN_UP,
4125   EL_TIME_ORB_FULL,
4126   EL_TIME_ORB_EMPTY,
4127
4128   EL_PACMAN_LEFT,
4129   EL_DARK_YAMYAM,
4130   EL_PACMAN_RIGHT,
4131   EL_YAMYAM,                    // RND
4132
4133   EL_BLACK_ORB,
4134   EL_PACMAN_DOWN,
4135   EL_LAMP,
4136   EL_LAMP_ACTIVE,
4137
4138   EL_DYNABOMB_INCREASE_NUMBER,
4139   EL_DYNABOMB_INCREASE_SIZE,
4140   EL_DYNABOMB_INCREASE_POWER,
4141   EL_STONEBLOCK,
4142
4143   EL_MOLE,
4144   EL_PENGUIN,
4145   EL_PIG,
4146   EL_DRAGON,
4147
4148   EL_BUG,
4149   EL_MOLE_UP,
4150   EL_BD_BUTTERFLY,
4151   EL_BD_FIREFLY,
4152
4153   EL_MOLE_LEFT,
4154   EL_SATELLITE,
4155   EL_MOLE_RIGHT,
4156   EL_PACMAN,
4157
4158   EL_SPACESHIP,
4159   EL_MOLE_DOWN,
4160   EL_INVISIBLE_STEELWALL,
4161   EL_INVISIBLE_WALL,
4162
4163   EL_EXPANDABLE_WALL,
4164   EL_EXPANDABLE_WALL_HORIZONTAL,
4165   EL_EXPANDABLE_WALL_VERTICAL,
4166   EL_EXPANDABLE_WALL_ANY,
4167 };
4168 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4169 static int *editor_el_rnd_ptr = editor_el_rnd;
4170 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4171 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4172
4173 static int editor_hl_sokoban[] =
4174 {
4175   EL_INTERNAL_CASCADE_SB_ACTIVE,
4176   EL_CHAR('S'),
4177   EL_CHAR('B'),
4178   EL_EMPTY,
4179 };
4180
4181 static int editor_el_sokoban[] =
4182 {
4183   EL_SOKOBAN_OBJECT,
4184   EL_SOKOBAN_FIELD_EMPTY,
4185   EL_SOKOBAN_FIELD_FULL,
4186   EL_SOKOBAN_FIELD_PLAYER,
4187 };
4188 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4189 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4190 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4191 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4192
4193 static int editor_hl_supaplex[] =
4194 {
4195   EL_INTERNAL_CASCADE_SP_ACTIVE,
4196   EL_CHAR('S'),
4197   EL_CHAR('P'),
4198   EL_EMPTY,
4199 };
4200
4201 static int editor_el_supaplex[] =
4202 {
4203   EL_SP_MURPHY,
4204   EL_EMPTY,
4205   EL_SP_BASE,
4206   EL_SP_BUGGY_BASE,
4207
4208   EL_SP_INFOTRON,
4209   EL_SP_ZONK,
4210   EL_SP_SNIKSNAK,
4211   EL_SP_ELECTRON,
4212
4213   EL_SP_DISK_RED,
4214   EL_SP_DISK_ORANGE,
4215   EL_SP_DISK_YELLOW,
4216   EL_SP_TERMINAL,
4217
4218   EL_SP_EXIT_CLOSED,
4219   EL_SP_PORT_HORIZONTAL,
4220   EL_SP_PORT_VERTICAL,
4221   EL_SP_PORT_ANY,
4222
4223   EL_SP_PORT_LEFT,
4224   EL_SP_PORT_RIGHT,
4225   EL_SP_PORT_UP,
4226   EL_SP_PORT_DOWN,
4227
4228   EL_SP_GRAVITY_PORT_LEFT,
4229   EL_SP_GRAVITY_PORT_RIGHT,
4230   EL_SP_GRAVITY_PORT_UP,
4231   EL_SP_GRAVITY_PORT_DOWN,
4232
4233   EL_SP_GRAVITY_ON_PORT_LEFT,
4234   EL_SP_GRAVITY_ON_PORT_RIGHT,
4235   EL_SP_GRAVITY_ON_PORT_UP,
4236   EL_SP_GRAVITY_ON_PORT_DOWN,
4237
4238   EL_SP_GRAVITY_OFF_PORT_LEFT,
4239   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4240   EL_SP_GRAVITY_OFF_PORT_UP,
4241   EL_SP_GRAVITY_OFF_PORT_DOWN,
4242
4243   EL_SP_HARDWARE_GRAY,
4244   EL_SP_HARDWARE_GREEN,
4245   EL_SP_HARDWARE_BLUE,
4246   EL_SP_HARDWARE_RED,
4247
4248   EL_SP_HARDWARE_BASE_1,
4249   EL_SP_HARDWARE_BASE_2,
4250   EL_SP_HARDWARE_BASE_3,
4251   EL_SP_HARDWARE_BASE_4,
4252
4253   EL_SP_HARDWARE_BASE_5,
4254   EL_SP_HARDWARE_BASE_6,
4255   EL_SP_HARDWARE_YELLOW,
4256   EL_SP_CHIP_TOP,
4257
4258   EL_SP_CHIP_SINGLE,
4259   EL_SP_CHIP_LEFT,
4260   EL_SP_CHIP_RIGHT,
4261   EL_SP_CHIP_BOTTOM,
4262 };
4263 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4264 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4265 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4266 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4267
4268 static int editor_hl_diamond_caves[] =
4269 {
4270   EL_INTERNAL_CASCADE_DC_ACTIVE,
4271   EL_CHAR('D'),
4272   EL_CHAR('C'),
4273   EL_CHAR('2'),
4274 };
4275
4276 static int editor_el_diamond_caves[] =
4277 {
4278   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4279   EL_EM_STEEL_EXIT_OPEN,        // DC2
4280   EL_WALL_EMERALD,              // DC2
4281   EL_WALL_DIAMOND,              // DC2
4282
4283   EL_PEARL,
4284   EL_CRYSTAL,
4285   EL_WALL_PEARL,
4286   EL_WALL_CRYSTAL,
4287
4288   EL_CONVEYOR_BELT_1_LEFT,
4289   EL_CONVEYOR_BELT_1_MIDDLE,
4290   EL_CONVEYOR_BELT_1_RIGHT,
4291   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4292
4293   EL_CONVEYOR_BELT_2_LEFT,
4294   EL_CONVEYOR_BELT_2_MIDDLE,
4295   EL_CONVEYOR_BELT_2_RIGHT,
4296   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4297
4298   EL_CONVEYOR_BELT_3_LEFT,
4299   EL_CONVEYOR_BELT_3_MIDDLE,
4300   EL_CONVEYOR_BELT_3_RIGHT,
4301   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4302
4303   EL_CONVEYOR_BELT_4_LEFT,
4304   EL_CONVEYOR_BELT_4_MIDDLE,
4305   EL_CONVEYOR_BELT_4_RIGHT,
4306   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4307
4308   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4309   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4310   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4311   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4312
4313   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4314   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4315   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4316   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4317
4318   EL_TIMEGATE_CLOSED,
4319   EL_TIMEGATE_OPEN,
4320   EL_TIMEGATE_SWITCH,
4321   EL_DC_TIMEGATE_SWITCH,
4322
4323   EL_SWITCHGATE_CLOSED,
4324   EL_SWITCHGATE_OPEN,
4325   EL_SWITCHGATE_SWITCH_UP,
4326   EL_SWITCHGATE_SWITCH_DOWN,
4327
4328   EL_LIGHT_SWITCH,
4329   EL_LIGHT_SWITCH_ACTIVE,
4330   EL_DC_SWITCHGATE_SWITCH_UP,
4331   EL_DC_SWITCHGATE_SWITCH_DOWN,
4332
4333   EL_STEEL_EXIT_CLOSED,
4334   EL_STEEL_EXIT_OPEN,
4335   EL_STEELWALL_SLIPPERY,
4336   EL_INVISIBLE_SAND,
4337
4338   EL_QUICKSAND_FAST_EMPTY,
4339   EL_QUICKSAND_FAST_FULL,
4340   EL_LANDMINE,
4341   EL_DC_LANDMINE,
4342
4343   EL_SHIELD_NORMAL,
4344   EL_SHIELD_DEADLY,
4345   EL_EXTRA_TIME,
4346   EL_DC_MAGIC_WALL,
4347
4348   EL_ENVELOPE_1,
4349   EL_ENVELOPE_2,
4350   EL_ENVELOPE_3,
4351   EL_ENVELOPE_4,
4352
4353   EL_SIGN_RADIOACTIVITY,
4354   EL_SIGN_WHEELCHAIR,
4355   EL_SIGN_PARKING,
4356   EL_SIGN_NO_ENTRY,
4357
4358   EL_SIGN_GIVE_WAY,
4359   EL_SIGN_ENTRY_FORBIDDEN,
4360   EL_SIGN_EMERGENCY_EXIT,
4361   EL_SIGN_YIN_YANG,
4362
4363 #if 0
4364   EL_SIGN_SPERMS,
4365   EL_SIGN_BULLET,
4366   EL_SIGN_HEART,
4367   EL_SIGN_CROSS,
4368
4369   EL_SIGN_FRANKIE,
4370   EL_EMPTY,
4371   EL_EMPTY,
4372   EL_EMPTY,
4373
4374   EL_SPERMS,
4375   EL_BULLET,
4376   EL_HEART,
4377   EL_CROSS,
4378
4379   EL_FRANKIE,
4380   EL_EMPTY,
4381   EL_EMPTY,
4382   EL_EMPTY,
4383 #endif
4384
4385   EL_DC_STEELWALL_2_SINGLE,
4386   EL_DC_STEELWALL_2_TOP,
4387   EL_SIGN_EXCLAMATION,
4388   EL_SIGN_STOP,
4389
4390   EL_DC_STEELWALL_2_LEFT,
4391   EL_DC_STEELWALL_2_MIDDLE,
4392   EL_DC_STEELWALL_2_HORIZONTAL,
4393   EL_DC_STEELWALL_2_RIGHT,
4394
4395   EL_DC_STEELWALL_1_TOPLEFT,
4396   EL_DC_STEELWALL_2_VERTICAL,
4397   EL_DC_STEELWALL_1_TOPRIGHT,
4398   EL_DC_GATE_WHITE,
4399
4400   EL_DC_STEELWALL_1_VERTICAL,
4401   EL_DC_STEELWALL_2_BOTTOM,
4402   EL_DC_KEY_WHITE,
4403   EL_DC_GATE_WHITE_GRAY,
4404
4405   EL_DC_STEELWALL_1_BOTTOMLEFT,
4406   EL_DC_STEELWALL_1_HORIZONTAL,
4407   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4408   EL_DC_GATE_FAKE_GRAY,
4409
4410   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4411   EL_DC_STEELWALL_1_BOTTOM,
4412   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4413   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4414
4415   EL_DC_STEELWALL_1_RIGHT,
4416   EL_EMPTY,
4417   EL_DC_STEELWALL_1_LEFT,
4418   EL_EXPANDABLE_STEELWALL_VERTICAL,
4419
4420   EL_DC_STEELWALL_1_TOPRIGHT_2,
4421   EL_DC_STEELWALL_1_TOP,
4422   EL_DC_STEELWALL_1_TOPLEFT_2,
4423   EL_EXPANDABLE_STEELWALL_ANY,
4424 };
4425 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4426 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4427 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4428 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4429
4430 static int editor_hl_dx_boulderdash[] =
4431 {
4432   EL_INTERNAL_CASCADE_DX_ACTIVE,
4433   EL_CHAR('D'),
4434   EL_CHAR('X'),
4435   EL_EMPTY,
4436 };
4437
4438 static int editor_el_dx_boulderdash[] =
4439 {
4440   EL_EMPTY,
4441   EL_TUBE_RIGHT_DOWN,
4442   EL_TUBE_HORIZONTAL_DOWN,
4443   EL_TUBE_LEFT_DOWN,
4444
4445   EL_TUBE_HORIZONTAL,
4446   EL_TUBE_VERTICAL_RIGHT,
4447   EL_TUBE_ANY,
4448   EL_TUBE_VERTICAL_LEFT,
4449
4450   EL_TUBE_VERTICAL,
4451   EL_TUBE_RIGHT_UP,
4452   EL_TUBE_HORIZONTAL_UP,
4453   EL_TUBE_LEFT_UP,
4454
4455   EL_TRAP,
4456   EL_DX_SUPABOMB,
4457   EL_EMPTY,
4458   EL_EMPTY
4459 };
4460 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4461 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4462 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4463 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4464
4465 static int editor_hl_mirror_magic[] =
4466 {
4467   EL_INTERNAL_CASCADE_MM_ACTIVE,
4468   EL_CHAR('M'),
4469   EL_CHAR('M'),
4470   EL_EMPTY,
4471 };
4472
4473 static int editor_el_mirror_magic[] =
4474 {
4475   EL_MM_MCDUFFIN_RIGHT,
4476   EL_MM_MCDUFFIN_UP,
4477   EL_MM_MCDUFFIN_LEFT,
4478   EL_MM_MCDUFFIN_DOWN,
4479
4480   EL_MM_MIRROR_START,
4481   EL_MM_MIRROR_FIXED_START,
4482   EL_MM_POLARIZER_START,
4483   EL_MM_POLARIZER_CROSS_START,
4484
4485   EL_MM_TELEPORTER_RED_START,
4486   EL_MM_TELEPORTER_YELLOW_START,
4487   EL_MM_TELEPORTER_GREEN_START,
4488   EL_MM_TELEPORTER_BLUE_START,
4489
4490   EL_MM_PRISM,
4491   EL_MM_FUSE_ACTIVE,
4492   EL_MM_PACMAN_RIGHT,
4493   EL_MM_EXIT_CLOSED,
4494
4495   EL_MM_KETTLE,
4496   EL_MM_BOMB,
4497   EL_MM_KEY,
4498   EL_MM_FUEL_FULL,
4499
4500   EL_MM_LIGHTBULB,
4501   EL_MM_LIGHTBULB_ACTIVE,
4502   EL_MM_GRAY_BALL,
4503   EL_MM_LIGHTBALL,
4504
4505   EL_MM_STEEL_WALL,
4506   EL_MM_WOODEN_WALL,
4507   EL_MM_ICE_WALL,
4508   EL_MM_AMOEBA_WALL,
4509
4510   EL_MM_STEEL_LOCK,
4511   EL_MM_WOODEN_LOCK,
4512   EL_MM_STEEL_BLOCK,
4513   EL_MM_WOODEN_BLOCK,
4514
4515   EL_MM_STEEL_GRID_FIXED_1,
4516   EL_MM_STEEL_GRID_FIXED_2,
4517   EL_MM_STEEL_GRID_FIXED_3,
4518   EL_MM_STEEL_GRID_FIXED_4,
4519
4520   EL_MM_WOODEN_GRID_FIXED_1,
4521   EL_MM_WOODEN_GRID_FIXED_2,
4522   EL_MM_WOODEN_GRID_FIXED_3,
4523   EL_MM_WOODEN_GRID_FIXED_4
4524 };
4525 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4526 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4527 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4528 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4529
4530 static int editor_hl_deflektor[] =
4531 {
4532   EL_INTERNAL_CASCADE_DF_ACTIVE,
4533   EL_CHAR('D'),
4534   EL_CHAR('F'),
4535   EL_EMPTY,
4536 };
4537
4538 static int editor_el_deflektor[] =
4539 {
4540   EL_DF_LASER_RIGHT,
4541   EL_DF_LASER_UP,
4542   EL_DF_LASER_LEFT,
4543   EL_DF_LASER_DOWN,
4544
4545   EL_DF_RECEIVER_RIGHT,
4546   EL_DF_RECEIVER_UP,
4547   EL_DF_RECEIVER_LEFT,
4548   EL_DF_RECEIVER_DOWN,
4549
4550   EL_DF_MIRROR_START,
4551   EL_DF_MIRROR_ROTATING_START,
4552   EL_DF_CELL,
4553   EL_DF_MINE,
4554
4555   EL_DF_FIBRE_OPTIC_RED_1,
4556   EL_DF_FIBRE_OPTIC_YELLOW_1,
4557   EL_DF_FIBRE_OPTIC_GREEN_1,
4558   EL_DF_FIBRE_OPTIC_BLUE_1,
4559
4560   EL_DF_STEEL_GRID_FIXED_START,
4561   EL_DF_STEEL_GRID_ROTATING_START,
4562   EL_DF_WOODEN_GRID_FIXED_START,
4563   EL_DF_WOODEN_GRID_ROTATING_START,
4564
4565   EL_DF_STEEL_WALL,
4566   EL_DF_WOODEN_WALL,
4567   EL_DF_REFRACTOR,
4568   EL_EMPTY
4569 };
4570 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4571 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4572 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4573 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4574
4575 static int editor_hl_chars[] =
4576 {
4577   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4578   EL_CHAR('T'),
4579   EL_CHAR('X'),
4580   EL_CHAR('T'),
4581 };
4582
4583 static int editor_el_chars[] =
4584 {
4585   EL_CHAR(' '),
4586   EL_CHAR('!'),
4587   EL_CHAR('"'),
4588   EL_CHAR('#'),
4589
4590   EL_CHAR('$'),
4591   EL_CHAR('%'),
4592   EL_CHAR('&'),
4593   EL_CHAR('\''),
4594
4595   EL_CHAR('('),
4596   EL_CHAR(')'),
4597   EL_CHAR('*'),
4598   EL_CHAR('+'),
4599
4600   EL_CHAR(','),
4601   EL_CHAR('-'),
4602   EL_CHAR('.'),
4603   EL_CHAR('/'),
4604
4605   EL_CHAR('0'),
4606   EL_CHAR('1'),
4607   EL_CHAR('2'),
4608   EL_CHAR('3'),
4609
4610   EL_CHAR('4'),
4611   EL_CHAR('5'),
4612   EL_CHAR('6'),
4613   EL_CHAR('7'),
4614
4615   EL_CHAR('8'),
4616   EL_CHAR('9'),
4617   EL_CHAR(':'),
4618   EL_CHAR(';'),
4619
4620   EL_CHAR('<'),
4621   EL_CHAR('='),
4622   EL_CHAR('>'),
4623   EL_CHAR('?'),
4624
4625   EL_CHAR('@'),
4626   EL_CHAR('A'),
4627   EL_CHAR('B'),
4628   EL_CHAR('C'),
4629
4630   EL_CHAR('D'),
4631   EL_CHAR('E'),
4632   EL_CHAR('F'),
4633   EL_CHAR('G'),
4634
4635   EL_CHAR('H'),
4636   EL_CHAR('I'),
4637   EL_CHAR('J'),
4638   EL_CHAR('K'),
4639
4640   EL_CHAR('L'),
4641   EL_CHAR('M'),
4642   EL_CHAR('N'),
4643   EL_CHAR('O'),
4644
4645   EL_CHAR('P'),
4646   EL_CHAR('Q'),
4647   EL_CHAR('R'),
4648   EL_CHAR('S'),
4649
4650   EL_CHAR('T'),
4651   EL_CHAR('U'),
4652   EL_CHAR('V'),
4653   EL_CHAR('W'),
4654
4655   EL_CHAR('X'),
4656   EL_CHAR('Y'),
4657   EL_CHAR('Z'),
4658   EL_CHAR('['),
4659
4660   EL_CHAR('\\'),
4661   EL_CHAR(']'),
4662   EL_CHAR('^'),
4663   EL_CHAR('_'),
4664
4665   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4666   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4667   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4668   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4669
4670   EL_CHAR(CHAR_BYTE_DEGREE),
4671   EL_CHAR(CHAR_BYTE_REGISTERED),
4672   EL_CHAR(FONT_ASCII_CURSOR),
4673   EL_CHAR(FONT_ASCII_BUTTON),
4674
4675   EL_CHAR(FONT_ASCII_UP),
4676   EL_CHAR(FONT_ASCII_DOWN),
4677   EL_CHAR(' '),
4678   EL_CHAR(' ')
4679 };
4680 static int *editor_hl_chars_ptr = editor_hl_chars;
4681 static int *editor_el_chars_ptr = editor_el_chars;
4682 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4683 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4684
4685 static int editor_hl_steel_chars[] =
4686 {
4687   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4688   EL_STEEL_CHAR('T'),
4689   EL_STEEL_CHAR('X'),
4690   EL_STEEL_CHAR('T'),
4691 };
4692
4693 static int editor_el_steel_chars[] =
4694 {
4695   EL_STEEL_CHAR(' '),
4696   EL_STEEL_CHAR('!'),
4697   EL_STEEL_CHAR('"'),
4698   EL_STEEL_CHAR('#'),
4699
4700   EL_STEEL_CHAR('$'),
4701   EL_STEEL_CHAR('%'),
4702   EL_STEEL_CHAR('&'),
4703   EL_STEEL_CHAR('\''),
4704
4705   EL_STEEL_CHAR('('),
4706   EL_STEEL_CHAR(')'),
4707   EL_STEEL_CHAR('*'),
4708   EL_STEEL_CHAR('+'),
4709
4710   EL_STEEL_CHAR(','),
4711   EL_STEEL_CHAR('-'),
4712   EL_STEEL_CHAR('.'),
4713   EL_STEEL_CHAR('/'),
4714
4715   EL_STEEL_CHAR('0'),
4716   EL_STEEL_CHAR('1'),
4717   EL_STEEL_CHAR('2'),
4718   EL_STEEL_CHAR('3'),
4719
4720   EL_STEEL_CHAR('4'),
4721   EL_STEEL_CHAR('5'),
4722   EL_STEEL_CHAR('6'),
4723   EL_STEEL_CHAR('7'),
4724
4725   EL_STEEL_CHAR('8'),
4726   EL_STEEL_CHAR('9'),
4727   EL_STEEL_CHAR(':'),
4728   EL_STEEL_CHAR(';'),
4729
4730   EL_STEEL_CHAR('<'),
4731   EL_STEEL_CHAR('='),
4732   EL_STEEL_CHAR('>'),
4733   EL_STEEL_CHAR('?'),
4734
4735   EL_STEEL_CHAR('@'),
4736   EL_STEEL_CHAR('A'),
4737   EL_STEEL_CHAR('B'),
4738   EL_STEEL_CHAR('C'),
4739
4740   EL_STEEL_CHAR('D'),
4741   EL_STEEL_CHAR('E'),
4742   EL_STEEL_CHAR('F'),
4743   EL_STEEL_CHAR('G'),
4744
4745   EL_STEEL_CHAR('H'),
4746   EL_STEEL_CHAR('I'),
4747   EL_STEEL_CHAR('J'),
4748   EL_STEEL_CHAR('K'),
4749
4750   EL_STEEL_CHAR('L'),
4751   EL_STEEL_CHAR('M'),
4752   EL_STEEL_CHAR('N'),
4753   EL_STEEL_CHAR('O'),
4754
4755   EL_STEEL_CHAR('P'),
4756   EL_STEEL_CHAR('Q'),
4757   EL_STEEL_CHAR('R'),
4758   EL_STEEL_CHAR('S'),
4759
4760   EL_STEEL_CHAR('T'),
4761   EL_STEEL_CHAR('U'),
4762   EL_STEEL_CHAR('V'),
4763   EL_STEEL_CHAR('W'),
4764
4765   EL_STEEL_CHAR('X'),
4766   EL_STEEL_CHAR('Y'),
4767   EL_STEEL_CHAR('Z'),
4768   EL_STEEL_CHAR('['),
4769
4770   EL_STEEL_CHAR('\\'),
4771   EL_STEEL_CHAR(']'),
4772   EL_STEEL_CHAR('^'),
4773   EL_STEEL_CHAR('_'),
4774
4775   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4776   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4777   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4778   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4779
4780   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4781   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4782   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4783   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4784
4785   EL_STEEL_CHAR(FONT_ASCII_UP),
4786   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4787   EL_STEEL_CHAR(' '),
4788   EL_STEEL_CHAR(' ')
4789 };
4790 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4791 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4792 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4793 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4794
4795 static int editor_hl_custom[] =
4796 {
4797   EL_INTERNAL_CASCADE_CE_ACTIVE,
4798   EL_CHAR('C'),
4799   EL_CHAR('E'),
4800   EL_EMPTY,
4801 };
4802
4803 static int editor_el_custom[] =
4804 {
4805   EL_CUSTOM_START + 0,
4806   EL_CUSTOM_START + 1,
4807   EL_CUSTOM_START + 2,
4808   EL_CUSTOM_START + 3,
4809
4810   EL_CUSTOM_START + 4,
4811   EL_CUSTOM_START + 5,
4812   EL_CUSTOM_START + 6,
4813   EL_CUSTOM_START + 7,
4814
4815   EL_CUSTOM_START + 8,
4816   EL_CUSTOM_START + 9,
4817   EL_CUSTOM_START + 10,
4818   EL_CUSTOM_START + 11,
4819
4820   EL_CUSTOM_START + 12,
4821   EL_CUSTOM_START + 13,
4822   EL_CUSTOM_START + 14,
4823   EL_CUSTOM_START + 15,
4824
4825   EL_CUSTOM_START + 16,
4826   EL_CUSTOM_START + 17,
4827   EL_CUSTOM_START + 18,
4828   EL_CUSTOM_START + 19,
4829
4830   EL_CUSTOM_START + 20,
4831   EL_CUSTOM_START + 21,
4832   EL_CUSTOM_START + 22,
4833   EL_CUSTOM_START + 23,
4834
4835   EL_CUSTOM_START + 24,
4836   EL_CUSTOM_START + 25,
4837   EL_CUSTOM_START + 26,
4838   EL_CUSTOM_START + 27,
4839
4840   EL_CUSTOM_START + 28,
4841   EL_CUSTOM_START + 29,
4842   EL_CUSTOM_START + 30,
4843   EL_CUSTOM_START + 31,
4844
4845   EL_CUSTOM_START + 32,
4846   EL_CUSTOM_START + 33,
4847   EL_CUSTOM_START + 34,
4848   EL_CUSTOM_START + 35,
4849
4850   EL_CUSTOM_START + 36,
4851   EL_CUSTOM_START + 37,
4852   EL_CUSTOM_START + 38,
4853   EL_CUSTOM_START + 39,
4854
4855   EL_CUSTOM_START + 40,
4856   EL_CUSTOM_START + 41,
4857   EL_CUSTOM_START + 42,
4858   EL_CUSTOM_START + 43,
4859
4860   EL_CUSTOM_START + 44,
4861   EL_CUSTOM_START + 45,
4862   EL_CUSTOM_START + 46,
4863   EL_CUSTOM_START + 47,
4864
4865   EL_CUSTOM_START + 48,
4866   EL_CUSTOM_START + 49,
4867   EL_CUSTOM_START + 50,
4868   EL_CUSTOM_START + 51,
4869
4870   EL_CUSTOM_START + 52,
4871   EL_CUSTOM_START + 53,
4872   EL_CUSTOM_START + 54,
4873   EL_CUSTOM_START + 55,
4874
4875   EL_CUSTOM_START + 56,
4876   EL_CUSTOM_START + 57,
4877   EL_CUSTOM_START + 58,
4878   EL_CUSTOM_START + 59,
4879
4880   EL_CUSTOM_START + 60,
4881   EL_CUSTOM_START + 61,
4882   EL_CUSTOM_START + 62,
4883   EL_CUSTOM_START + 63,
4884
4885   EL_CUSTOM_START + 64,
4886   EL_CUSTOM_START + 65,
4887   EL_CUSTOM_START + 66,
4888   EL_CUSTOM_START + 67,
4889
4890   EL_CUSTOM_START + 68,
4891   EL_CUSTOM_START + 69,
4892   EL_CUSTOM_START + 70,
4893   EL_CUSTOM_START + 71,
4894
4895   EL_CUSTOM_START + 72,
4896   EL_CUSTOM_START + 73,
4897   EL_CUSTOM_START + 74,
4898   EL_CUSTOM_START + 75,
4899
4900   EL_CUSTOM_START + 76,
4901   EL_CUSTOM_START + 77,
4902   EL_CUSTOM_START + 78,
4903   EL_CUSTOM_START + 79,
4904
4905   EL_CUSTOM_START + 80,
4906   EL_CUSTOM_START + 81,
4907   EL_CUSTOM_START + 82,
4908   EL_CUSTOM_START + 83,
4909
4910   EL_CUSTOM_START + 84,
4911   EL_CUSTOM_START + 85,
4912   EL_CUSTOM_START + 86,
4913   EL_CUSTOM_START + 87,
4914
4915   EL_CUSTOM_START + 88,
4916   EL_CUSTOM_START + 89,
4917   EL_CUSTOM_START + 90,
4918   EL_CUSTOM_START + 91,
4919
4920   EL_CUSTOM_START + 92,
4921   EL_CUSTOM_START + 93,
4922   EL_CUSTOM_START + 94,
4923   EL_CUSTOM_START + 95,
4924
4925   EL_CUSTOM_START + 96,
4926   EL_CUSTOM_START + 97,
4927   EL_CUSTOM_START + 98,
4928   EL_CUSTOM_START + 99,
4929
4930   EL_CUSTOM_START + 100,
4931   EL_CUSTOM_START + 101,
4932   EL_CUSTOM_START + 102,
4933   EL_CUSTOM_START + 103,
4934
4935   EL_CUSTOM_START + 104,
4936   EL_CUSTOM_START + 105,
4937   EL_CUSTOM_START + 106,
4938   EL_CUSTOM_START + 107,
4939
4940   EL_CUSTOM_START + 108,
4941   EL_CUSTOM_START + 109,
4942   EL_CUSTOM_START + 110,
4943   EL_CUSTOM_START + 111,
4944
4945   EL_CUSTOM_START + 112,
4946   EL_CUSTOM_START + 113,
4947   EL_CUSTOM_START + 114,
4948   EL_CUSTOM_START + 115,
4949
4950   EL_CUSTOM_START + 116,
4951   EL_CUSTOM_START + 117,
4952   EL_CUSTOM_START + 118,
4953   EL_CUSTOM_START + 119,
4954
4955   EL_CUSTOM_START + 120,
4956   EL_CUSTOM_START + 121,
4957   EL_CUSTOM_START + 122,
4958   EL_CUSTOM_START + 123,
4959
4960   EL_CUSTOM_START + 124,
4961   EL_CUSTOM_START + 125,
4962   EL_CUSTOM_START + 126,
4963   EL_CUSTOM_START + 127,
4964
4965   EL_CUSTOM_START + 128,
4966   EL_CUSTOM_START + 129,
4967   EL_CUSTOM_START + 130,
4968   EL_CUSTOM_START + 131,
4969
4970   EL_CUSTOM_START + 132,
4971   EL_CUSTOM_START + 133,
4972   EL_CUSTOM_START + 134,
4973   EL_CUSTOM_START + 135,
4974
4975   EL_CUSTOM_START + 136,
4976   EL_CUSTOM_START + 137,
4977   EL_CUSTOM_START + 138,
4978   EL_CUSTOM_START + 139,
4979
4980   EL_CUSTOM_START + 140,
4981   EL_CUSTOM_START + 141,
4982   EL_CUSTOM_START + 142,
4983   EL_CUSTOM_START + 143,
4984
4985   EL_CUSTOM_START + 144,
4986   EL_CUSTOM_START + 145,
4987   EL_CUSTOM_START + 146,
4988   EL_CUSTOM_START + 147,
4989
4990   EL_CUSTOM_START + 148,
4991   EL_CUSTOM_START + 149,
4992   EL_CUSTOM_START + 150,
4993   EL_CUSTOM_START + 151,
4994
4995   EL_CUSTOM_START + 152,
4996   EL_CUSTOM_START + 153,
4997   EL_CUSTOM_START + 154,
4998   EL_CUSTOM_START + 155,
4999
5000   EL_CUSTOM_START + 156,
5001   EL_CUSTOM_START + 157,
5002   EL_CUSTOM_START + 158,
5003   EL_CUSTOM_START + 159,
5004
5005   EL_CUSTOM_START + 160,
5006   EL_CUSTOM_START + 161,
5007   EL_CUSTOM_START + 162,
5008   EL_CUSTOM_START + 163,
5009
5010   EL_CUSTOM_START + 164,
5011   EL_CUSTOM_START + 165,
5012   EL_CUSTOM_START + 166,
5013   EL_CUSTOM_START + 167,
5014
5015   EL_CUSTOM_START + 168,
5016   EL_CUSTOM_START + 169,
5017   EL_CUSTOM_START + 170,
5018   EL_CUSTOM_START + 171,
5019
5020   EL_CUSTOM_START + 172,
5021   EL_CUSTOM_START + 173,
5022   EL_CUSTOM_START + 174,
5023   EL_CUSTOM_START + 175,
5024
5025   EL_CUSTOM_START + 176,
5026   EL_CUSTOM_START + 177,
5027   EL_CUSTOM_START + 178,
5028   EL_CUSTOM_START + 179,
5029
5030   EL_CUSTOM_START + 180,
5031   EL_CUSTOM_START + 181,
5032   EL_CUSTOM_START + 182,
5033   EL_CUSTOM_START + 183,
5034
5035   EL_CUSTOM_START + 184,
5036   EL_CUSTOM_START + 185,
5037   EL_CUSTOM_START + 186,
5038   EL_CUSTOM_START + 187,
5039
5040   EL_CUSTOM_START + 188,
5041   EL_CUSTOM_START + 189,
5042   EL_CUSTOM_START + 190,
5043   EL_CUSTOM_START + 191,
5044
5045   EL_CUSTOM_START + 192,
5046   EL_CUSTOM_START + 193,
5047   EL_CUSTOM_START + 194,
5048   EL_CUSTOM_START + 195,
5049
5050   EL_CUSTOM_START + 196,
5051   EL_CUSTOM_START + 197,
5052   EL_CUSTOM_START + 198,
5053   EL_CUSTOM_START + 199,
5054
5055   EL_CUSTOM_START + 200,
5056   EL_CUSTOM_START + 201,
5057   EL_CUSTOM_START + 202,
5058   EL_CUSTOM_START + 203,
5059
5060   EL_CUSTOM_START + 204,
5061   EL_CUSTOM_START + 205,
5062   EL_CUSTOM_START + 206,
5063   EL_CUSTOM_START + 207,
5064
5065   EL_CUSTOM_START + 208,
5066   EL_CUSTOM_START + 209,
5067   EL_CUSTOM_START + 210,
5068   EL_CUSTOM_START + 211,
5069
5070   EL_CUSTOM_START + 212,
5071   EL_CUSTOM_START + 213,
5072   EL_CUSTOM_START + 214,
5073   EL_CUSTOM_START + 215,
5074
5075   EL_CUSTOM_START + 216,
5076   EL_CUSTOM_START + 217,
5077   EL_CUSTOM_START + 218,
5078   EL_CUSTOM_START + 219,
5079
5080   EL_CUSTOM_START + 220,
5081   EL_CUSTOM_START + 221,
5082   EL_CUSTOM_START + 222,
5083   EL_CUSTOM_START + 223,
5084
5085   EL_CUSTOM_START + 224,
5086   EL_CUSTOM_START + 225,
5087   EL_CUSTOM_START + 226,
5088   EL_CUSTOM_START + 227,
5089
5090   EL_CUSTOM_START + 228,
5091   EL_CUSTOM_START + 229,
5092   EL_CUSTOM_START + 230,
5093   EL_CUSTOM_START + 231,
5094
5095   EL_CUSTOM_START + 232,
5096   EL_CUSTOM_START + 233,
5097   EL_CUSTOM_START + 234,
5098   EL_CUSTOM_START + 235,
5099
5100   EL_CUSTOM_START + 236,
5101   EL_CUSTOM_START + 237,
5102   EL_CUSTOM_START + 238,
5103   EL_CUSTOM_START + 239,
5104
5105   EL_CUSTOM_START + 240,
5106   EL_CUSTOM_START + 241,
5107   EL_CUSTOM_START + 242,
5108   EL_CUSTOM_START + 243,
5109
5110   EL_CUSTOM_START + 244,
5111   EL_CUSTOM_START + 245,
5112   EL_CUSTOM_START + 246,
5113   EL_CUSTOM_START + 247,
5114
5115   EL_CUSTOM_START + 248,
5116   EL_CUSTOM_START + 249,
5117   EL_CUSTOM_START + 250,
5118   EL_CUSTOM_START + 251,
5119
5120   EL_CUSTOM_START + 252,
5121   EL_CUSTOM_START + 253,
5122   EL_CUSTOM_START + 254,
5123   EL_CUSTOM_START + 255
5124 };
5125 static int *editor_hl_custom_ptr = editor_hl_custom;
5126 static int *editor_el_custom_ptr = editor_el_custom;
5127 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5128 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5129
5130 static int editor_hl_group[] =
5131 {
5132   EL_INTERNAL_CASCADE_GE_ACTIVE,
5133   EL_CHAR('G'),
5134   EL_CHAR('E'),
5135   EL_EMPTY,
5136 };
5137
5138 static int editor_el_group[] =
5139 {
5140   EL_GROUP_START + 0,
5141   EL_GROUP_START + 1,
5142   EL_GROUP_START + 2,
5143   EL_GROUP_START + 3,
5144
5145   EL_GROUP_START + 4,
5146   EL_GROUP_START + 5,
5147   EL_GROUP_START + 6,
5148   EL_GROUP_START + 7,
5149
5150   EL_GROUP_START + 8,
5151   EL_GROUP_START + 9,
5152   EL_GROUP_START + 10,
5153   EL_GROUP_START + 11,
5154
5155   EL_GROUP_START + 12,
5156   EL_GROUP_START + 13,
5157   EL_GROUP_START + 14,
5158   EL_GROUP_START + 15,
5159
5160   EL_GROUP_START + 16,
5161   EL_GROUP_START + 17,
5162   EL_GROUP_START + 18,
5163   EL_GROUP_START + 19,
5164
5165   EL_GROUP_START + 20,
5166   EL_GROUP_START + 21,
5167   EL_GROUP_START + 22,
5168   EL_GROUP_START + 23,
5169
5170   EL_GROUP_START + 24,
5171   EL_GROUP_START + 25,
5172   EL_GROUP_START + 26,
5173   EL_GROUP_START + 27,
5174
5175   EL_GROUP_START + 28,
5176   EL_GROUP_START + 29,
5177   EL_GROUP_START + 30,
5178   EL_GROUP_START + 31
5179 };
5180 static int *editor_hl_group_ptr = editor_hl_group;
5181 static int *editor_el_group_ptr = editor_el_group;
5182 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5183 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5184
5185 static int editor_hl_reference[] =
5186 {
5187   EL_INTERNAL_CASCADE_REF_ACTIVE,
5188   EL_CHAR('R'),
5189   EL_CHAR('E'),
5190   EL_CHAR('F')
5191 };
5192
5193 static int editor_el_reference[] =
5194 {
5195   EL_TRIGGER_PLAYER,
5196   EL_TRIGGER_ELEMENT,
5197   EL_TRIGGER_CE_VALUE,
5198   EL_TRIGGER_CE_SCORE,
5199
5200   EL_SELF,
5201   EL_ANY_ELEMENT,
5202   EL_CURRENT_CE_VALUE,
5203   EL_CURRENT_CE_SCORE,
5204
5205   EL_PREV_CE_8,
5206   EL_PREV_CE_7,
5207   EL_PREV_CE_6,
5208   EL_PREV_CE_5,
5209
5210   EL_PREV_CE_4,
5211   EL_PREV_CE_3,
5212   EL_PREV_CE_2,
5213   EL_PREV_CE_1,
5214
5215   EL_NEXT_CE_1,
5216   EL_NEXT_CE_2,
5217   EL_NEXT_CE_3,
5218   EL_NEXT_CE_4,
5219
5220   EL_NEXT_CE_5,
5221   EL_NEXT_CE_6,
5222   EL_NEXT_CE_7,
5223   EL_NEXT_CE_8,
5224 };
5225 static int *editor_hl_reference_ptr = editor_hl_reference;
5226 static int *editor_el_reference_ptr = editor_el_reference;
5227 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5228 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5229
5230 static int editor_hl_user_defined[] =
5231 {
5232   EL_INTERNAL_CASCADE_USER_ACTIVE,
5233   EL_CHAR('M'),
5234   EL_CHAR('Y'),
5235   EL_EMPTY,
5236 };
5237
5238 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5239 static int *editor_el_user_defined_ptr = NULL;
5240 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5241 static int num_editor_el_user_defined = 0;
5242
5243 static int editor_hl_dynamic[] =
5244 {
5245   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5246   EL_CHAR('U'),
5247   EL_CHAR('S'),
5248   EL_CHAR('E'),
5249 };
5250
5251 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5252 static int *editor_el_dynamic_ptr = NULL;
5253 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5254 static int num_editor_el_dynamic = 0;
5255
5256 static int editor_hl_empty[] = { EL_EMPTY };
5257 static int *editor_el_empty = NULL;     // dynamically allocated
5258
5259 static int *editor_hl_empty_ptr = editor_hl_empty;
5260 static int *editor_el_empty_ptr = NULL;
5261 static int num_editor_hl_empty = 0;
5262 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5263
5264 static boolean use_el_empty = FALSE;
5265
5266 static int *editor_elements = NULL;     // dynamically allocated
5267 static int num_editor_elements = 0;     // dynamically determined
5268
5269 static boolean setup_editor_cascade_never = FALSE;
5270
5271 static boolean setup_editor_el_players                  = TRUE;
5272 static boolean setup_editor_el_boulderdash              = TRUE;
5273 static boolean setup_editor_el_emerald_mine             = TRUE;
5274 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5275 static boolean setup_editor_el_more                     = TRUE;
5276 static boolean setup_editor_el_sokoban                  = TRUE;
5277 static boolean setup_editor_el_supaplex                 = TRUE;
5278 static boolean setup_editor_el_diamond_caves            = TRUE;
5279 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5280 static boolean setup_editor_el_mirror_magic             = TRUE;
5281 static boolean setup_editor_el_deflektor                = TRUE;
5282 static boolean setup_editor_el_chars                    = TRUE;
5283 static boolean setup_editor_el_steel_chars              = TRUE;
5284 static boolean setup_editor_el_custom                   = TRUE;
5285 static boolean setup_editor_el_user_defined             = TRUE;
5286 static boolean setup_editor_el_dynamic                  = TRUE;
5287
5288 static int editor_hl_unused[] = { EL_EMPTY };
5289 static int *editor_hl_unused_ptr = editor_hl_unused;
5290 static int num_editor_hl_unused = 0;
5291
5292 static struct
5293 {
5294   boolean *setup_value;
5295   boolean *setup_cascade_value;
5296
5297   int **headline_list;
5298   int *headline_list_size;
5299
5300   int **element_list;
5301   int *element_list_size;
5302
5303   boolean last_setup_value;
5304 }
5305 editor_elements_info[] =
5306 {
5307   {
5308     &setup_editor_el_players,
5309     &setup_editor_cascade_never,
5310     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5311     &editor_el_players_ptr,             &num_editor_el_players
5312   },
5313   {
5314     &setup_editor_el_boulderdash,
5315     &setup.editor_cascade.el_bd,
5316     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5317     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5318   },
5319   {
5320     &setup_editor_el_emerald_mine,
5321     &setup.editor_cascade.el_em,
5322     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5323     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5324   },
5325   {
5326     &setup_editor_el_emerald_mine_club,
5327     &setup.editor_cascade.el_emc,
5328     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5329     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5330   },
5331   {
5332     &setup_editor_el_more,
5333     &setup.editor_cascade.el_rnd,
5334     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5335     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5336   },
5337   {
5338     &setup_editor_el_sokoban,
5339     &setup.editor_cascade.el_sb,
5340     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5341     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5342   },
5343   {
5344     &setup_editor_el_supaplex,
5345     &setup.editor_cascade.el_sp,
5346     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5347     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5348   },
5349   {
5350     &setup_editor_el_diamond_caves,
5351     &setup.editor_cascade.el_dc,
5352     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5353     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5354   },
5355   {
5356     &setup_editor_el_dx_boulderdash,
5357     &setup.editor_cascade.el_dx,
5358     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5359     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5360   },
5361   {
5362     &setup_editor_el_mirror_magic,
5363     &setup.editor_cascade.el_mm,
5364     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5365     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5366   },
5367   {
5368     &setup_editor_el_deflektor,
5369     &setup.editor_cascade.el_df,
5370     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5371     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5372   },
5373   {
5374     &setup_editor_el_chars,
5375     &setup.editor_cascade.el_chars,
5376     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5377     &editor_el_chars_ptr,               &num_editor_el_chars
5378   },
5379   {
5380     &setup_editor_el_steel_chars,
5381     &setup.editor_cascade.el_steel_chars,
5382     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5383     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5384   },
5385   {
5386     &setup_editor_el_custom,
5387     &setup.editor_cascade.el_ce,
5388     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5389     &editor_el_custom_ptr,              &num_editor_el_custom
5390   },
5391   {
5392     &setup_editor_el_custom,
5393     &setup.editor_cascade.el_ge,
5394     &editor_hl_group_ptr,               &num_editor_hl_group,
5395     &editor_el_group_ptr,               &num_editor_el_group
5396   },
5397   {
5398     &setup_editor_el_custom,
5399     &setup.editor_cascade.el_ref,
5400     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5401     &editor_el_reference_ptr,           &num_editor_el_reference
5402   },
5403   {
5404     &setup_editor_el_user_defined,
5405     &setup.editor_cascade.el_user,
5406     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5407     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5408   },
5409   {
5410     &setup_editor_el_dynamic,
5411     &setup.editor_cascade.el_dynamic,
5412     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5413     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5414   },
5415   {
5416     &use_el_empty,
5417     &use_el_empty,
5418     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5419     &editor_el_empty_ptr,               &num_editor_el_empty,
5420   },
5421   {
5422     NULL,
5423     NULL,
5424     NULL,                               NULL,
5425     NULL,                               NULL
5426   }
5427 };
5428
5429
5430 // ----------------------------------------------------------------------------
5431 // functions
5432 // ----------------------------------------------------------------------------
5433
5434 static int getMaxInfoTextLength(void)
5435 {
5436   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5437 }
5438
5439 static int getTextWidthForGadget(char *text)
5440 {
5441   if (text == NULL)
5442     return 0;
5443
5444   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5445 }
5446
5447 static int getTextWidthForDrawingArea(char *text)
5448 {
5449   if (text == NULL)
5450     return 0;
5451
5452   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5453 }
5454
5455 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5456 {
5457   return (gi->x + gi->width + getTextWidthForGadget(text));
5458 }
5459
5460 static char *getElementInfoText(int element)
5461 {
5462   char *info_text = NULL;
5463
5464   if (element < MAX_NUM_ELEMENTS)
5465   {
5466     if (strlen(element_info[element].description) > 0)
5467       info_text = element_info[element].description;
5468     else if (element_info[element].custom_description != NULL)
5469       info_text = element_info[element].custom_description;
5470     else if (element_info[element].editor_description != NULL)
5471       info_text = element_info[element].editor_description;
5472   }
5473
5474   if (info_text == NULL)
5475     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5476
5477   return info_text;
5478 }
5479
5480 static char *getElementDescriptionFilenameExt(char *basename)
5481 {
5482   char *elements_subdir = "elements";
5483   static char *elements_subdir2 = NULL;
5484   static char *filename = NULL;
5485
5486   if (elements_subdir2 == NULL)
5487     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5488
5489   checked_free(filename);
5490
5491   // 1st try: look for element description in current level set directory
5492   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5493   if (fileExists(filename))
5494     return filename;
5495
5496   free(filename);
5497
5498   // 2nd try: look for element description in the game's base directory
5499   filename = getPath3(options.docs_directory, elements_subdir, basename);
5500   if (fileExists(filename))
5501     return filename;
5502
5503   return NULL;
5504 }
5505
5506 static char *getElementDescriptionFilename(int element)
5507 {
5508   char basename[MAX_FILENAME_LEN];
5509   char *filename;
5510
5511   // 1st try: look for element description file for exactly this element
5512   sprintf(basename, "%s.txt", element_info[element].token_name);
5513   filename = getElementDescriptionFilenameExt(basename);
5514   if (filename != NULL)
5515     return filename;
5516
5517   // 2nd try: look for element description file for this element's class
5518   sprintf(basename, "%s.txt", element_info[element].class_name);
5519   filename = getElementDescriptionFilenameExt(basename);
5520   if (filename != NULL)
5521     return filename;
5522
5523   return NULL;
5524 }
5525
5526 static boolean suppressBorderElement(void)
5527 {
5528   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5529           lev_fieldx <= MAX_ED_FIELDX &&
5530           lev_fieldy <= MAX_ED_FIELDY);
5531 }
5532
5533 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5534 {
5535   boolean element_found[NUM_FILE_ELEMENTS];
5536   int i, x, y;
5537
5538   // initialize list of used elements to "not used"
5539   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5540     element_found[i] = FALSE;
5541
5542   // find all elements used in current level
5543   for (y = 0; y < lev_fieldy; y++)
5544     for (x = 0; x < lev_fieldx; x++)
5545       if (Feld[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5546         element_found[Feld[x][y]] = TRUE;
5547
5548   *num_elements = 0;
5549
5550   // count number of elements used in current level
5551   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5552     if (element_found[i])
5553       (*num_elements)++;
5554
5555   // add space for up to 3 more elements for padding that may be needed
5556   *num_elements += 3;
5557
5558   // free memory for old list of elements, if needed
5559   checked_free(*elements);
5560
5561   // allocate memory for new list of elements
5562   *elements = checked_malloc(*num_elements * sizeof(int));
5563
5564   *num_elements = 0;
5565
5566   // add all elements used in current level (non-custom/group elements)
5567   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5568     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5569       (*elements)[(*num_elements)++] = i;
5570
5571   // add all elements used in current level (custom/group elements)
5572   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5573     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5574       (*elements)[(*num_elements)++] = i;
5575
5576   while (*num_elements % 4)     // pad with empty elements, if needed
5577     (*elements)[(*num_elements)++] = EL_EMPTY;
5578 }
5579
5580 static void ReinitializeElementList_EnableSections(void)
5581 {
5582   // default: enable all element sections
5583
5584   setup_editor_el_players               = TRUE;
5585   setup_editor_el_boulderdash           = TRUE;
5586   setup_editor_el_emerald_mine          = TRUE;
5587   setup_editor_el_emerald_mine_club     = TRUE;
5588   setup_editor_el_more                  = TRUE;
5589   setup_editor_el_sokoban               = TRUE;
5590   setup_editor_el_supaplex              = TRUE;
5591   setup_editor_el_diamond_caves         = TRUE;
5592   setup_editor_el_dx_boulderdash        = TRUE;
5593   setup_editor_el_mirror_magic          = TRUE;
5594   setup_editor_el_deflektor             = TRUE;
5595   setup_editor_el_chars                 = TRUE;
5596   setup_editor_el_steel_chars           = TRUE;
5597
5598   setup_editor_el_custom                = TRUE;
5599   setup_editor_el_user_defined          = TRUE;
5600   setup_editor_el_dynamic               = TRUE;
5601
5602   // now disable all element sections not to be displayed
5603
5604   if (!setup.editor.el_classic)
5605   {
5606     setup_editor_el_players             = FALSE;
5607     setup_editor_el_boulderdash         = FALSE;
5608     setup_editor_el_emerald_mine        = FALSE;
5609     setup_editor_el_emerald_mine_club   = FALSE;
5610     setup_editor_el_more                = FALSE;
5611     setup_editor_el_sokoban             = FALSE;
5612     setup_editor_el_supaplex            = FALSE;
5613     setup_editor_el_diamond_caves       = FALSE;
5614     setup_editor_el_dx_boulderdash      = FALSE;
5615     setup_editor_el_mirror_magic        = FALSE;
5616     setup_editor_el_deflektor           = FALSE;
5617     setup_editor_el_chars               = FALSE;
5618     setup_editor_el_steel_chars         = FALSE;
5619   }
5620
5621   if (!setup.editor.el_custom)
5622   {
5623     setup_editor_el_custom              = FALSE;
5624   }
5625
5626   if (!setup.editor.el_user_defined)
5627   {
5628     setup_editor_el_user_defined        = FALSE;
5629   }
5630
5631   if (!setup.editor.el_dynamic)
5632   {
5633     setup_editor_el_dynamic             = FALSE;
5634   }
5635
5636   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5637   {
5638     setup_editor_el_mirror_magic        = FALSE;
5639     setup_editor_el_deflektor           = FALSE;
5640   }
5641   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5642   {
5643     setup_editor_el_boulderdash         = FALSE;
5644     setup_editor_el_more                = FALSE;
5645     setup_editor_el_sokoban             = FALSE;
5646     setup_editor_el_supaplex            = FALSE;
5647     setup_editor_el_diamond_caves       = FALSE;
5648     setup_editor_el_dx_boulderdash      = FALSE;
5649     setup_editor_el_mirror_magic        = FALSE;
5650     setup_editor_el_deflektor           = FALSE;
5651     setup_editor_el_steel_chars         = FALSE;
5652
5653     setup_editor_el_custom              = FALSE;
5654   }
5655   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5656   {
5657     setup_editor_el_players             = FALSE;
5658     setup_editor_el_boulderdash         = FALSE;
5659     setup_editor_el_emerald_mine        = FALSE;
5660     setup_editor_el_emerald_mine_club   = FALSE;
5661     setup_editor_el_more                = FALSE;
5662     setup_editor_el_sokoban             = FALSE;
5663     setup_editor_el_diamond_caves       = FALSE;
5664     setup_editor_el_dx_boulderdash      = FALSE;
5665     setup_editor_el_mirror_magic        = FALSE;
5666     setup_editor_el_deflektor           = FALSE;
5667     setup_editor_el_chars               = FALSE;
5668     setup_editor_el_steel_chars         = FALSE;
5669
5670     setup_editor_el_custom              = FALSE;
5671   }
5672   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5673   {
5674     setup_editor_el_players             = FALSE;
5675     setup_editor_el_boulderdash         = FALSE;
5676     setup_editor_el_emerald_mine        = FALSE;
5677     setup_editor_el_emerald_mine_club   = FALSE;
5678     setup_editor_el_more                = FALSE;
5679     setup_editor_el_sokoban             = FALSE;
5680     setup_editor_el_supaplex            = FALSE;
5681     setup_editor_el_diamond_caves       = FALSE;
5682     setup_editor_el_dx_boulderdash      = FALSE;
5683     setup_editor_el_steel_chars         = FALSE;
5684
5685     setup_editor_el_custom              = FALSE;
5686   }
5687 }
5688
5689 static void ReinitializeElementList(void)
5690 {
5691   static boolean initialization_needed = TRUE;
5692   int pos = 0;
5693   int i, j;
5694
5695   ReinitializeElementList_EnableSections();
5696
5697   if (initialization_needed)
5698   {
5699     LoadSetup_EditorCascade();          // load last editor cascade state
5700
5701     // initialize editor cascade element from saved cascade state
5702     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5703     {
5704       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5705       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5706
5707       if (IS_EDITOR_CASCADE(*cascade_element))
5708         *cascade_element =
5709           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5710            EL_CASCADE_INACTIVE(*cascade_element));
5711     }
5712
5713     initialization_needed = FALSE;
5714   }
5715
5716   checked_free(editor_elements);
5717
5718   // reload optional user defined element list for each invocation of editor
5719   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5720                                    &num_editor_el_user_defined);
5721
5722   // initialize dynamic level element list for each invocation of editor
5723   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5724                                &num_editor_el_dynamic);
5725
5726   // initialize list of empty elements (used for padding, if needed)
5727   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5728     editor_el_empty[i] = EL_EMPTY;
5729
5730   // do some sanity checks for each element from element list
5731   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5732   {
5733     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5734     {
5735       int element = (*editor_elements_info[i].element_list)[j];
5736
5737       if (element >= NUM_FILE_ELEMENTS)
5738         Error(ERR_WARN, "editor element %d is runtime element", element);
5739
5740       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5741         Error(ERR_WARN, "no element description text for element %d", element);
5742     }
5743   }
5744
5745   num_editor_elements = 0;
5746   use_el_empty = FALSE;
5747
5748   // determine size of element list
5749   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5750   {
5751     boolean found_inactive_cascade = FALSE;
5752
5753     if (*editor_elements_info[i].setup_value)
5754     {
5755       if (setup.editor.el_headlines)
5756       {
5757         // required for correct padding of palette headline buttons
5758         if (*editor_elements_info[i].headline_list_size > 0)
5759           num_editor_elements += editor.palette.cols;
5760
5761         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5762         {
5763           int element = (*editor_elements_info[i].headline_list)[j];
5764
5765           if (IS_EDITOR_CASCADE_INACTIVE(element))
5766             found_inactive_cascade = TRUE;
5767         }
5768       }
5769
5770       if (found_inactive_cascade)
5771         continue;
5772
5773       // required for correct padding of palette element buttons
5774       int element_list_size = *editor_elements_info[i].element_list_size;
5775       int element_rows =
5776         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5777       int element_buttons = editor.palette.cols * element_rows;
5778
5779       num_editor_elements += element_buttons;
5780     }
5781   }
5782
5783   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5784   {
5785     // offer at least as many elements as element buttons exist
5786     use_el_empty = TRUE;
5787     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5788
5789     num_editor_elements += num_editor_el_empty;
5790   }
5791   else
5792   {
5793     num_editor_el_empty = 0;
5794   }
5795
5796   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5797
5798   // fill element list
5799   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5800   {
5801     boolean found_inactive_cascade = FALSE;
5802
5803     if (*editor_elements_info[i].setup_value)
5804     {
5805       if (setup.editor.el_headlines)
5806       {
5807         // required for correct padding of palette headline buttons
5808         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5809                              editor.palette.cols : 0);
5810
5811         for (j = 0; j < headline_size; j++)
5812         {
5813           // use empty elements for padding of palette headline buttons
5814           int element = (j < *editor_elements_info[i].headline_list_size ?
5815                          (*editor_elements_info[i].headline_list)[j] :
5816                          editor_el_empty[0]);
5817
5818           editor_elements[pos++] = element;
5819
5820           if (IS_EDITOR_CASCADE_INACTIVE(element))
5821             found_inactive_cascade = TRUE;
5822         }
5823       }
5824
5825       if (found_inactive_cascade)
5826         continue;
5827
5828       // required for correct padding of palette element buttons
5829       int element_list_size = *editor_elements_info[i].element_list_size;
5830       int element_rows =
5831         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5832       int element_buttons = editor.palette.cols * element_rows;
5833
5834       // copy all elements from element list
5835       for (j = 0; j < element_list_size; j++)
5836         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5837
5838       // use empty elements for padding of palette element buttons
5839       for (j = 0; j < element_buttons - element_list_size; j++)
5840         editor_elements[pos++] = editor_el_empty[0];
5841     }
5842   }
5843
5844   // (this function is also called before editor gadgets are initialized!)
5845   AdjustElementListScrollbar();
5846 }
5847
5848 void PrintEditorElementList(void)
5849 {
5850   boolean *stop = &setup_editor_el_user_defined;
5851   int i, j;
5852
5853   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5854   {
5855     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5856
5857     if (IS_EDITOR_CASCADE(cascade_element))
5858     {
5859       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5860       char *headline = element_info[cascade_element_show].editor_description;
5861
5862       PrintLineWithPrefix("# ", "-", 77);
5863       Print("# %s\n", headline);
5864       PrintLineWithPrefix("# ", "-", 77);
5865     }
5866
5867     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5868     {
5869       int element = (*editor_elements_info[i].headline_list)[j];
5870
5871       if (IS_EDITOR_CASCADE(element))
5872         element = EL_CHAR_MINUS;
5873
5874       Print("# %s\n", element_info[element].token_name);
5875     }
5876
5877     if (j > 0)
5878       Print("#\n");
5879
5880     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5881     {
5882       int element = (*editor_elements_info[i].element_list)[j];
5883
5884       Print("# %s\n", element_info[element].token_name);
5885     }
5886
5887     if (j > 0)
5888       Print("#\n");
5889   }
5890 }
5891
5892 static void ReinitializeElementListButtons(void)
5893 {
5894   static boolean last_setup_value_headlines = FALSE;
5895   static boolean initialization_needed = TRUE;
5896   int i;
5897
5898   if (!initialization_needed)   // check if editor element setup has changed
5899   {
5900     if (last_setup_value_headlines != setup.editor.el_headlines)
5901       initialization_needed = TRUE;
5902
5903     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5904       if (editor_elements_info[i].last_setup_value !=
5905           *editor_elements_info[i].setup_value)
5906         initialization_needed = TRUE;
5907   }
5908
5909   if (!initialization_needed)
5910     return;
5911
5912   FreeLevelEditorGadgets();
5913   CreateLevelEditorGadgets();
5914
5915   // store current setup values for next invocation of this function
5916   last_setup_value_headlines = setup.editor.el_headlines;
5917   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5918     editor_elements_info[i].last_setup_value =
5919       *editor_elements_info[i].setup_value;
5920
5921   initialization_needed = FALSE;
5922 }
5923
5924 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5925                               boolean input)
5926 {
5927   int border_graphic =
5928     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5929   struct GraphicInfo *g = &graphic_info[border_graphic];
5930   Bitmap *src_bitmap = g->bitmap;
5931   int src_x = g->src_x;
5932   int src_y = g->src_y;
5933   int border_size = g->border_size;
5934   int border_xpos = g->width  - border_size;
5935   int border_ypos = g->height - border_size;
5936   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5937   int i;
5938
5939   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5940              border_size, border_size,
5941              dest_x - border_size, dest_y - border_size);
5942   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5943              border_size, border_size,
5944              dest_x + width, dest_y - border_size);
5945   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5946              border_size, border_size,
5947              dest_x - border_size, dest_y + height);
5948   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5949              border_size, border_size,
5950              dest_x + width, dest_y + height);
5951
5952   for (i = 0; i < width / tilesize; i++)
5953   {
5954     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5955                tilesize, border_size,
5956                dest_x + i * tilesize, dest_y - border_size);
5957     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5958                tilesize, border_size,
5959                dest_x + i * tilesize, dest_y + height);
5960   }
5961
5962   for (i = 0; i < height / tilesize; i++)
5963   {
5964     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5965                border_size, tilesize,
5966                dest_x - border_size, dest_y + i * tilesize);
5967     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5968                border_size, tilesize,
5969                dest_x + width, dest_y + i * tilesize);
5970   }
5971
5972   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5973 }
5974
5975 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5976 {
5977   int xsize_tile = MAX(ed_tilesize, xsize);
5978   int ysize_tile = MAX(ed_tilesize, ysize);
5979   int xsize_full = xsize + 1;
5980   int ysize_full = ysize + 1;
5981   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5982   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5983   Pixel line_color = getTabulatorBarColor();
5984
5985   if (line_color == BLACK_PIXEL)                // black => transparent
5986     return;
5987
5988   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5989   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5990   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5991 }
5992
5993 static void DrawEditorLevelBorderLinesIfNeeded(void)
5994 {
5995   int xsize = lev_fieldx * ed_tilesize;
5996   int ysize = lev_fieldy * ed_tilesize;
5997   int line_size = getTabulatorBarHeight();
5998
5999   if (!suppressBorderElement())
6000     return;
6001
6002   // draw little border line around editable level playfield
6003
6004   if (xsize < SXSIZE)
6005     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6006
6007   if (ysize < SYSIZE)
6008     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6009
6010   if (xsize < SXSIZE && ysize < SYSIZE)
6011     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6012 }
6013
6014 static void DrawEditorElement(int x, int y, int element)
6015 {
6016   DrawSizedElement(x, y, element, ed_tilesize);
6017 }
6018
6019 static void DrawEditorElementThruMask(int x, int y, int element)
6020 {
6021   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6022 }
6023
6024 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6025 {
6026   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6027 }
6028
6029 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6030 {
6031   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6032   DrawEditorLevelBorderLinesIfNeeded();
6033 }
6034
6035 static void DrawDrawingArea(int id)
6036 {
6037   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6038   int x, y;
6039
6040   int *value = drawingarea_info[id].value;
6041   int area_xsize = drawingarea_info[id].area_xsize;
6042   int area_ysize = drawingarea_info[id].area_ysize;
6043   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6044
6045   for (x = 0; x < area_xsize; x++)
6046     for (y = 0; y < area_ysize; y++)
6047       DrawSizedGraphicExt(drawto,
6048                           gi->x + x * tilesize,
6049                           gi->y + y * tilesize,
6050                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6051 }
6052
6053 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6054 {
6055   int x, y;
6056   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6057   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6058
6059   BlitBitmap(drawto, drawto,
6060              SX + (dx == -1 ? ed_tilesize : 0),
6061              SY + (dy == -1 ? ed_tilesize : 0),
6062              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6063              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6064              SX + (dx == +1 ? ed_tilesize : 0),
6065              SY + (dy == +1 ? ed_tilesize : 0));
6066
6067   if (dx)
6068   {
6069     x = (dx == 1 ? 0 : ed_fieldx - 1);
6070     for (y = 0; y < ed_fieldy; y++)
6071       DrawEditorElementOrWall(x, y, from_x, from_y);
6072   }
6073   else if (dy)
6074   {
6075     y = (dy == 1 ? 0 : ed_fieldy - 1);
6076     for (x = 0; x < ed_fieldx; x++)
6077       DrawEditorElementOrWall(x, y, from_x, from_y);
6078   }
6079
6080   redraw_mask |= REDRAW_FIELD;
6081   BackToFront();
6082 }
6083
6084 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6085                                    int *x, int *y)
6086 {
6087   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6088 }
6089
6090 static void CreateControlButtons(void)
6091 {
6092   struct GadgetInfo *gi;
6093   int i;
6094
6095   // create toolbox buttons
6096   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6097   {
6098     int id = controlbutton_info[i].gadget_id;
6099     int type = controlbutton_info[i].gadget_type;
6100     int graphic = controlbutton_info[i].graphic;
6101     struct XYTileSize *pos = controlbutton_info[i].pos;
6102     struct GraphicInfo *gd = &graphic_info[graphic];
6103     Bitmap *deco_bitmap = NULL;
6104     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6105     int tile_size = 0, deco_shift = 0;
6106     boolean deco_masked = FALSE;
6107     int gd_x1 = gd->src_x;
6108     int gd_y1 = gd->src_y;
6109     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6110     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6111     int gd_x1a = gd->src_x + gd->active_xoffset;
6112     int gd_y1a = gd->src_y + gd->active_yoffset;
6113     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6114     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6115     int x = pos->x;
6116     int y = pos->y;
6117     unsigned int event_mask;
6118     int radio_button_nr = RADIO_NR_NONE;
6119     boolean checked = FALSE;
6120
6121     if (type == GD_TYPE_RADIO_BUTTON)
6122     {
6123       event_mask = GD_EVENT_PRESSED;
6124       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6125
6126       if (id == drawing_function)
6127         checked = TRUE;
6128     }
6129     else
6130     {
6131       if (id == GADGET_ID_WRAP_LEFT ||
6132           id == GADGET_ID_WRAP_RIGHT ||
6133           id == GADGET_ID_WRAP_UP ||
6134           id == GADGET_ID_WRAP_DOWN)
6135         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6136       else
6137         event_mask = GD_EVENT_RELEASED;
6138     }
6139
6140     if (id == GADGET_ID_PROPERTIES ||
6141         id == GADGET_ID_PALETTE)
6142     {
6143       x += DX;
6144       y += DY;
6145     }
6146     else if (id == GADGET_ID_ELEMENT_LEFT ||
6147              id == GADGET_ID_ELEMENT_MIDDLE ||
6148              id == GADGET_ID_ELEMENT_RIGHT)
6149     {
6150       x += DX;
6151       y += DY;
6152
6153       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6154                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6155                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6156
6157       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6158                                    editor.button.element_left.tile_size :
6159                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6160                                    editor.button.element_middle.tile_size :
6161                                    id == GADGET_ID_ELEMENT_RIGHT ?
6162                                    editor.button.element_right.tile_size : 0);
6163
6164       // make sure that decoration does not overlap gadget border
6165       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6166
6167       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6168
6169       deco_xpos = (gd->width  - tile_size) / 2;
6170       deco_ypos = (gd->height - tile_size) / 2;
6171       deco_shift = 1;
6172       deco_masked = gd->draw_masked;
6173     }
6174     else
6175     {
6176       x += EX;
6177       y += EY;
6178     }
6179
6180     gi = CreateGadget(GDI_CUSTOM_ID, id,
6181                       GDI_CUSTOM_TYPE_ID, i,
6182                       GDI_IMAGE_ID, graphic,
6183                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6184                       GDI_X, x,
6185                       GDI_Y, y,
6186                       GDI_WIDTH, gd->width,
6187                       GDI_HEIGHT, gd->height,
6188                       GDI_TYPE, type,
6189                       GDI_STATE, GD_BUTTON_UNPRESSED,
6190                       GDI_RADIO_NR, radio_button_nr,
6191                       GDI_CHECKED, checked,
6192                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6193                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6194                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6195                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6196                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6197                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6198                       GDI_DECORATION_SIZE, tile_size, tile_size,
6199                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6200                       GDI_DECORATION_MASKED, deco_masked,
6201                       GDI_EVENT_MASK, event_mask,
6202                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6203                       GDI_CALLBACK_ACTION, HandleControlButtons,
6204                       GDI_END);
6205
6206     if (gi == NULL)
6207       Error(ERR_EXIT, "cannot create gadget");
6208
6209     level_editor_gadget[id] = gi;
6210   }
6211
6212   // these values are not constant, but can change at runtime
6213   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6214   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6215   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6216   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6217   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6218   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6219   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6220   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6221   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6222   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6223   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6224   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6225
6226   // create buttons for scrolling of drawing area and element list
6227   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6228   {
6229     int id = scrollbutton_info[i].gadget_id;
6230     int graphic = scrollbutton_info[i].graphic;
6231     struct GraphicInfo *gd = &graphic_info[graphic];
6232     Bitmap *gd_bitmap = gd->bitmap;
6233     int gd_x1 = gd->src_x;
6234     int gd_y1 = gd->src_y;
6235     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6236     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6237     int width  = gd->width;
6238     int height = gd->height;
6239     int x = scrollbutton_pos[i].x;
6240     int y = scrollbutton_pos[i].y;
6241     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6242
6243     if (id == GADGET_ID_SCROLL_LIST_UP ||
6244         id == GADGET_ID_SCROLL_LIST_DOWN)
6245     {
6246       x += PX;
6247       y += PY;
6248     }
6249     else
6250     {
6251       x += SX;
6252       y += SY;
6253     }
6254
6255     gi = CreateGadget(GDI_CUSTOM_ID, id,
6256                       GDI_CUSTOM_TYPE_ID, i,
6257                       GDI_IMAGE_ID, graphic,
6258                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6259                       GDI_X, x,
6260                       GDI_Y, y,
6261                       GDI_WIDTH, width,
6262                       GDI_HEIGHT, height,
6263                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6264                       GDI_STATE, GD_BUTTON_UNPRESSED,
6265                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6266                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6267                       GDI_EVENT_MASK, event_mask,
6268                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6269                       GDI_CALLBACK_ACTION, HandleControlButtons,
6270                       GDI_END);
6271
6272     if (gi == NULL)
6273       Error(ERR_EXIT, "cannot create gadget");
6274
6275     level_editor_gadget[id] = gi;
6276   }
6277
6278   // create buttons for element list
6279   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6280   {
6281     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6282     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6283     struct GraphicInfo *gd = &graphic_info[graphic];
6284     Bitmap *gd_bitmap = gd->bitmap;
6285     Bitmap *deco_bitmap;
6286     int deco_x, deco_y, deco_xpos, deco_ypos;
6287     int gd_x1 = gd->src_x;
6288     int gd_y1 = gd->src_y;
6289     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6290     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6291     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6292     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6293     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6294     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6295     int element = editor_elements[i];
6296     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6297     unsigned int event_mask = GD_EVENT_RELEASED;
6298
6299     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6300
6301     deco_xpos = (gd->width  - tile_size) / 2;
6302     deco_ypos = (gd->height - tile_size) / 2;
6303
6304     gi = CreateGadget(GDI_CUSTOM_ID, id,
6305                       GDI_CUSTOM_TYPE_ID, i,
6306                       GDI_IMAGE_ID, graphic,
6307                       GDI_INFO_TEXT, getElementInfoText(element),
6308                       GDI_X, x,
6309                       GDI_Y, y,
6310                       GDI_WIDTH, gd->width,
6311                       GDI_HEIGHT, gd->height,
6312                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6313                       GDI_STATE, GD_BUTTON_UNPRESSED,
6314                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6315                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6316                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6317                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6318                       GDI_DECORATION_SIZE, tile_size, tile_size,
6319                       GDI_DECORATION_SHIFTING, 1, 1,
6320                       GDI_EVENT_MASK, event_mask,
6321                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6322                       GDI_CALLBACK_ACTION, HandleControlButtons,
6323                       GDI_END);
6324
6325     if (gi == NULL)
6326       Error(ERR_EXIT, "cannot create gadget");
6327
6328     level_editor_gadget[id] = gi;
6329   }
6330 }
6331
6332 static void CreateCounterButtons(void)
6333 {
6334   int max_infotext_len = getMaxInfoTextLength();
6335   int i;
6336
6337   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6338   {
6339     int j;
6340     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6341     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6342
6343     // determine horizontal position to the right of specified gadget
6344     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6345       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6346            ED_GADGET_TEXT_DISTANCE);
6347
6348     // determine horizontal offset for leading text
6349     if (counterbutton_info[i].text_left != NULL)
6350       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6351
6352     for (j = 0; j < 2; j++)
6353     {
6354       struct GadgetInfo *gi;
6355       int id = (j == 0 ?
6356                 counterbutton_info[i].gadget_id_down :
6357                 counterbutton_info[i].gadget_id_up);
6358       int graphic;
6359       struct GraphicInfo *gd;
6360       int gd_x1, gd_x2, gd_y1, gd_y2;
6361       unsigned int event_mask;
6362       char infotext[max_infotext_len + 1];
6363
6364       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6365
6366       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6367       {
6368         graphic = (j == 0 ?
6369                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6370                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6371
6372         event_mask |= GD_EVENT_RELEASED;
6373
6374         if (j == 0)
6375         {
6376           x = DX + editor.button.prev_level.x;
6377           y = DY + editor.button.prev_level.y;
6378         }
6379         else
6380         {
6381           x = DX + editor.button.next_level.x;
6382           y = DY + editor.button.next_level.y;
6383         }
6384       }
6385       else
6386       {
6387         graphic = (j == 0 ?
6388                    IMG_EDITOR_COUNTER_DOWN :
6389                    IMG_EDITOR_COUNTER_UP);
6390       }
6391
6392       gd = &graphic_info[graphic];
6393
6394       gd_x1 = gd->src_x;
6395       gd_y1 = gd->src_y;
6396       gd_x2 = gd->src_x + gd->pressed_xoffset;
6397       gd_y2 = gd->src_y + gd->pressed_yoffset;
6398
6399       sprintf(infotext, "%s counter value by 1, 5 or 10",
6400               (j == 0 ? "decrease" : "increase"));
6401
6402       gi = CreateGadget(GDI_CUSTOM_ID, id,
6403                         GDI_CUSTOM_TYPE_ID, i,
6404                         GDI_IMAGE_ID, graphic,
6405                         GDI_INFO_TEXT, infotext,
6406                         GDI_X, x,
6407                         GDI_Y, y,
6408                         GDI_WIDTH, gd->width,
6409                         GDI_HEIGHT, gd->height,
6410                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6411                         GDI_STATE, GD_BUTTON_UNPRESSED,
6412                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6413                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6414                         GDI_EVENT_MASK, event_mask,
6415                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6416                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6417                         GDI_END);
6418
6419       if (gi == NULL)
6420         Error(ERR_EXIT, "cannot create gadget");
6421
6422       level_editor_gadget[id] = gi;
6423       right_gadget_border[id] =
6424         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6425
6426       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6427
6428       if (j == 0)
6429       {
6430         int font_type = FONT_INPUT_1;
6431         int font_type_active = FONT_INPUT_1_ACTIVE;
6432
6433         id = counterbutton_info[i].gadget_id_text;
6434
6435         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6436
6437         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6438         {
6439           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6440
6441           font_type = FONT_LEVEL_NUMBER;
6442           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6443
6444           x = DX + editor.input.level_number.x;
6445           y = DY + editor.input.level_number.y;
6446         }
6447         else
6448         {
6449           graphic = IMG_EDITOR_COUNTER_INPUT;
6450         }
6451
6452         gd = &graphic_info[graphic];
6453
6454         gd_x1 = gd->src_x;
6455         gd_y1 = gd->src_y;
6456         gd_x2 = gd->src_x + gd->active_xoffset;
6457         gd_y2 = gd->src_y + gd->active_yoffset;
6458
6459         gi = CreateGadget(GDI_CUSTOM_ID, id,
6460                           GDI_CUSTOM_TYPE_ID, i,
6461                           GDI_IMAGE_ID, graphic,
6462                           GDI_INFO_TEXT, "enter counter value",
6463                           GDI_X, x,
6464                           GDI_Y, y,
6465                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6466                           GDI_NUMBER_VALUE, 0,
6467                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6468                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6469                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6470                           GDI_TEXT_FONT, font_type,
6471                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6472                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6473                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6474                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6475                           GDI_DESIGN_WIDTH, gd->width,
6476                           GDI_EVENT_MASK, event_mask,
6477                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6478                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6479                           GDI_END);
6480
6481         if (gi == NULL)
6482           Error(ERR_EXIT, "cannot create gadget");
6483
6484         level_editor_gadget[id] = gi;
6485         right_gadget_border[id] =
6486           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6487
6488         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6489       }
6490     }
6491   }
6492 }
6493
6494 static void CreateDrawingAreas(void)
6495 {
6496   int i;
6497
6498   // these values are not constant, but can change at runtime
6499   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6500   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6501
6502   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6503   {
6504     struct GadgetInfo *gi;
6505     unsigned int event_mask;
6506     int id = drawingarea_info[i].gadget_id;
6507     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6508     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6509     int area_xsize = drawingarea_info[i].area_xsize;
6510     int area_ysize = drawingarea_info[i].area_ysize;
6511     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6512                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6513
6514     event_mask =
6515       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6516       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6517
6518     // determine horizontal position to the right of specified gadget
6519     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6520       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6521            ED_DRAWINGAREA_TEXT_DISTANCE);
6522
6523     // determine horizontal offset for leading text
6524     if (drawingarea_info[i].text_left != NULL)
6525       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6526
6527     gi = CreateGadget(GDI_CUSTOM_ID, id,
6528                       GDI_CUSTOM_TYPE_ID, i,
6529                       GDI_X, x,
6530                       GDI_Y, y,
6531                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6532                       GDI_AREA_SIZE, area_xsize, area_ysize,
6533                       GDI_ITEM_SIZE, item_size, item_size,
6534                       GDI_EVENT_MASK, event_mask,
6535                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6536                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6537                       GDI_END);
6538
6539     if (gi == NULL)
6540       Error(ERR_EXIT, "cannot create gadget");
6541
6542     level_editor_gadget[id] = gi;
6543     right_gadget_border[id] =
6544       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6545   }
6546 }
6547
6548 static void CreateTextInputGadgets(void)
6549 {
6550   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6551   int max_infotext_len = getMaxInfoTextLength();
6552   int i;
6553
6554   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6555   {
6556     int gd_x1 = gd->src_x;
6557     int gd_y1 = gd->src_y;
6558     int gd_x2 = gd->src_x + gd->active_xoffset;
6559     int gd_y2 = gd->src_y + gd->active_yoffset;
6560     struct GadgetInfo *gi;
6561     unsigned int event_mask;
6562     char infotext[MAX_OUTPUT_LINESIZE + 1];
6563     int id = textinput_info[i].gadget_id;
6564     int x, y;
6565
6566     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6567     {
6568       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6569       int border_size = gd->border_size;
6570       int font_nr = FONT_INPUT_1;
6571       int font_height = getFontHeight(font_nr);
6572       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6573       int yoffset = element_border + (TILEY - font_height) / 2;
6574
6575       x = (editor.settings.element_name.x != -1 ?
6576            editor.settings.element_name.x :
6577            editor.settings.element_graphic.x + xoffset) - border_size;
6578       y = (editor.settings.element_name.y != -1 ?
6579            editor.settings.element_name.y :
6580            editor.settings.element_graphic.y + yoffset) - border_size;
6581     }
6582     else
6583     {
6584       x = ED_SETTINGS_X(textinput_info[i].x);
6585       y = ED_SETTINGS_Y(textinput_info[i].y);
6586     }
6587
6588     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6589
6590     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6591     infotext[max_infotext_len] = '\0';
6592
6593     gi = CreateGadget(GDI_CUSTOM_ID, id,
6594                       GDI_CUSTOM_TYPE_ID, i,
6595                       GDI_INFO_TEXT, infotext,
6596                       GDI_X, SX + x,
6597                       GDI_Y, SY + y,
6598                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6599                       GDI_TEXT_VALUE, textinput_info[i].value,
6600                       GDI_TEXT_SIZE, textinput_info[i].size,
6601                       GDI_TEXT_FONT, FONT_INPUT_1,
6602                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6603                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6604                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6605                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6606                       GDI_DESIGN_WIDTH, gd->width,
6607                       GDI_EVENT_MASK, event_mask,
6608                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6609                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6610                       GDI_END);
6611
6612     if (gi == NULL)
6613       Error(ERR_EXIT, "cannot create gadget");
6614
6615     level_editor_gadget[id] = gi;
6616   }
6617 }
6618
6619 static void CreateTextAreaGadgets(void)
6620 {
6621   int max_infotext_len = getMaxInfoTextLength();
6622   int i;
6623
6624   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6625   {
6626     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6627     int gd_x1 = gd->src_x;
6628     int gd_y1 = gd->src_y;
6629     int gd_x2 = gd->src_x + gd->active_xoffset;
6630     int gd_y2 = gd->src_y + gd->active_yoffset;
6631     struct GadgetInfo *gi;
6632     unsigned int event_mask;
6633     char infotext[MAX_OUTPUT_LINESIZE + 1];
6634     int id = textarea_info[i].gadget_id;
6635     int area_xsize = textarea_info[i].xsize;
6636     int area_ysize = textarea_info[i].ysize;
6637
6638     event_mask = GD_EVENT_TEXT_LEAVING;
6639
6640     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6641     infotext[max_infotext_len] = '\0';
6642
6643     gi = CreateGadget(GDI_CUSTOM_ID, id,
6644                       GDI_CUSTOM_TYPE_ID, i,
6645                       GDI_INFO_TEXT, infotext,
6646                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6647                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6648                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6649                       GDI_AREA_SIZE, area_xsize, area_ysize,
6650                       GDI_TEXT_FONT, FONT_INPUT_1,
6651                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6652                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6653                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6654                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6655                       GDI_DESIGN_WIDTH, gd->width,
6656                       GDI_EVENT_MASK, event_mask,
6657                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6658                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6659                       GDI_END);
6660
6661     if (gi == NULL)
6662       Error(ERR_EXIT, "cannot create gadget");
6663
6664     level_editor_gadget[id] = gi;
6665   }
6666 }
6667
6668 static void CreateSelectboxGadgets(void)
6669 {
6670   int max_infotext_len = getMaxInfoTextLength();
6671   int i, j;
6672
6673   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6674   {
6675     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6676     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6677     int gd_x1 = gd->src_x;
6678     int gd_y1 = gd->src_y;
6679     int gd_x2 = gd->src_x + gd->active_xoffset;
6680     int gd_y2 = gd->src_y + gd->active_yoffset;
6681     int selectbox_button_xsize = gd2->width;
6682     struct GadgetInfo *gi;
6683     unsigned int event_mask;
6684     char infotext[MAX_OUTPUT_LINESIZE + 1];
6685     int id = selectbox_info[i].gadget_id;
6686     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6687     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6688
6689     if (selectbox_info[i].size == -1)   // dynamically determine size
6690     {
6691       // (we cannot use -1 for uninitialized values if we directly compare
6692       // with results from strlen(), because the '<' and '>' operation will
6693       // implicitely cast -1 to an unsigned integer value!)
6694       selectbox_info[i].size = 0;
6695
6696       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6697         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6698           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6699
6700       selectbox_info[i].size++;         // add one character empty space
6701     }
6702
6703     event_mask = GD_EVENT_RELEASED |
6704       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6705
6706     // determine horizontal position to the right of specified gadget
6707     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6708       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6709            ED_GADGET_TEXT_DISTANCE);
6710
6711     // determine horizontal offset for leading text
6712     if (selectbox_info[i].text_left != NULL)
6713       x += getTextWidthForGadget(selectbox_info[i].text_left);
6714
6715     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6716     infotext[max_infotext_len] = '\0';
6717
6718     gi = CreateGadget(GDI_CUSTOM_ID, id,
6719                       GDI_CUSTOM_TYPE_ID, i,
6720                       GDI_INFO_TEXT, infotext,
6721                       GDI_X, x,
6722                       GDI_Y, y,
6723                       GDI_TYPE, GD_TYPE_SELECTBOX,
6724                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6725                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6726                       GDI_TEXT_SIZE, selectbox_info[i].size,
6727                       GDI_TEXT_FONT, FONT_INPUT_1,
6728                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6729                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6730                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6731                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6732                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6733                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6734                       GDI_DESIGN_WIDTH, gd->width,
6735                       GDI_EVENT_MASK, event_mask,
6736                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6737                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6738                       GDI_END);
6739
6740     if (gi == NULL)
6741       Error(ERR_EXIT, "cannot create gadget");
6742
6743     level_editor_gadget[id] = gi;
6744     right_gadget_border[id] =
6745       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6746   }
6747 }
6748
6749 static void CreateTextbuttonGadgets(void)
6750 {
6751   int max_infotext_len = getMaxInfoTextLength();
6752   int i;
6753
6754   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6755   {
6756     int id = textbutton_info[i].gadget_id;
6757     int is_tab_button =
6758       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6759        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6760     int graphic =
6761       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6762     int gadget_distance =
6763       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6764     struct GraphicInfo *gd = &graphic_info[graphic];
6765     int gd_x1 = gd->src_x;
6766     int gd_y1 = gd->src_y;
6767     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6768     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6769     int gd_x1a = gd->src_x + gd->active_xoffset;
6770     int gd_y1a = gd->src_y + gd->active_yoffset;
6771     int border_xsize = gd->border_size + gd->draw_xoffset;
6772     int border_ysize = gd->border_size;
6773     struct GadgetInfo *gi;
6774     unsigned int event_mask;
6775     char infotext[MAX_OUTPUT_LINESIZE + 1];
6776     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6777     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6778
6779     if (textbutton_info[i].size == -1)  // dynamically determine size
6780       textbutton_info[i].size = strlen(textbutton_info[i].text);
6781
6782     event_mask = GD_EVENT_RELEASED;
6783
6784     sprintf(infotext, "%s", textbutton_info[i].infotext);
6785     infotext[max_infotext_len] = '\0';
6786
6787     // determine horizontal position to the right of specified gadget
6788     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6789     {
6790       int gadget_id_align = textbutton_info[i].gadget_id_align;
6791
6792       x = right_gadget_border[gadget_id_align] + gadget_distance;
6793
6794       if (textbutton_info[i].y == -1)
6795         y = level_editor_gadget[gadget_id_align]->y;
6796     }
6797
6798     // determine horizontal offset for leading text
6799     if (textbutton_info[i].text_left != NULL)
6800       x += getTextWidthForGadget(textbutton_info[i].text_left);
6801
6802     gi = CreateGadget(GDI_CUSTOM_ID, id,
6803                       GDI_CUSTOM_TYPE_ID, i,
6804                       GDI_IMAGE_ID, graphic,
6805                       GDI_INFO_TEXT, infotext,
6806                       GDI_X, x,
6807                       GDI_Y, y,
6808                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6809                       GDI_TEXT_VALUE, textbutton_info[i].text,
6810                       GDI_TEXT_SIZE, textbutton_info[i].size,
6811                       GDI_TEXT_FONT, FONT_INPUT_2,
6812                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6813                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6814                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6815                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6816                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6817                       GDI_DESIGN_WIDTH, gd->width,
6818                       GDI_DECORATION_SHIFTING, 1, 1,
6819                       GDI_EVENT_MASK, event_mask,
6820                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6821                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6822                       GDI_END);
6823
6824     if (gi == NULL)
6825       Error(ERR_EXIT, "cannot create gadget");
6826
6827     level_editor_gadget[id] = gi;
6828     right_gadget_border[id] =
6829       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6830   }
6831 }
6832
6833 static void CreateGraphicbuttonGadgets(void)
6834 {
6835   struct GadgetInfo *gi;
6836   unsigned int event_mask;
6837   int i;
6838
6839   // create buttons for scrolling of drawing area and element list
6840   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6841   {
6842     int id = graphicbutton_info[i].gadget_id;
6843     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6844     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6845     int graphic = graphicbutton_info[i].graphic;
6846     struct GraphicInfo *gd = &graphic_info[graphic];
6847     int gd_x1 = gd->src_x;
6848     int gd_y1 = gd->src_y;
6849     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6850     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6851
6852     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6853
6854     // determine horizontal position to the right of specified gadget
6855     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6856       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6857            ED_GADGET_TEXT_DISTANCE);
6858
6859     // determine horizontal offset for leading text
6860     if (graphicbutton_info[i].text_left != NULL)
6861       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6862
6863     gi = CreateGadget(GDI_CUSTOM_ID, id,
6864                       GDI_CUSTOM_TYPE_ID, i,
6865                       GDI_IMAGE_ID, graphic,
6866                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6867                       GDI_X, x,
6868                       GDI_Y, y,
6869                       GDI_WIDTH, gd->width,
6870                       GDI_HEIGHT, gd->height,
6871                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6872                       GDI_STATE, GD_BUTTON_UNPRESSED,
6873                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6874                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6875                       GDI_EVENT_MASK, event_mask,
6876                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6877                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6878                       GDI_END);
6879
6880     if (gi == NULL)
6881       Error(ERR_EXIT, "cannot create gadget");
6882
6883     level_editor_gadget[id] = gi;
6884     right_gadget_border[id] =
6885       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6886   }
6887 }
6888
6889 static void CreateScrollbarGadgets(void)
6890 {
6891   int i;
6892
6893   // these values are not constant, but can change at runtime
6894   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6895     SX + ED_SCROLL_HORIZONTAL_XPOS;
6896   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6897     SY + ED_SCROLL_HORIZONTAL_YPOS;
6898   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6899     ED_SCROLL_HORIZONTAL_XSIZE;
6900   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6901     ED_SCROLL_HORIZONTAL_YSIZE;
6902   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6903   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6904   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6905   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6906
6907   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6908     SX + ED_SCROLL_VERTICAL_XPOS;
6909   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6910     SY + ED_SCROLL_VERTICAL_YPOS;
6911   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6912     ED_SCROLL_VERTICAL_XSIZE;
6913   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6914     ED_SCROLL_VERTICAL_YSIZE;
6915   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6916   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6917   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6918   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6919
6920   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6921     PX + ED_SCROLL2_VERTICAL_XPOS;
6922   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6923     PY + ED_SCROLL2_VERTICAL_YPOS;
6924   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6925     ED_SCROLL2_VERTICAL_XSIZE;
6926   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6927     ED_SCROLL2_VERTICAL_YSIZE;
6928   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6929   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6930   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6931   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6932
6933   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6934   {
6935     int id = scrollbar_info[i].gadget_id;
6936     int graphic = scrollbar_info[i].graphic;
6937     struct GraphicInfo *gd = &graphic_info[graphic];
6938     int gd_x1 = gd->src_x;
6939     int gd_y1 = gd->src_y;
6940     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6941     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6942     struct GadgetInfo *gi;
6943     int items_max, items_visible, item_position;
6944     unsigned int event_mask;
6945
6946     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6947     {
6948       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6949       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6950       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6951     }
6952     else        // drawing area scrollbars
6953     {
6954       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6955       {
6956         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6957         items_visible = ed_fieldx;
6958         item_position = 0;
6959       }
6960       else
6961       {
6962         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6963         items_visible = ed_fieldy;
6964         item_position = 0;
6965       }
6966     }
6967
6968     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6969
6970     gi = CreateGadget(GDI_CUSTOM_ID, id,
6971                       GDI_CUSTOM_TYPE_ID, i,
6972                       GDI_IMAGE_ID, graphic,
6973                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6974                       GDI_X, scrollbar_pos[i].x,
6975                       GDI_Y, scrollbar_pos[i].y,
6976                       GDI_WIDTH, scrollbar_pos[i].width,
6977                       GDI_HEIGHT, scrollbar_pos[i].height,
6978                       GDI_TYPE, scrollbar_info[i].type,
6979                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6980                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6981                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6982                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6983                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6984                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6985                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6986                       GDI_STATE, GD_BUTTON_UNPRESSED,
6987                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6988                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6989                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6990                       GDI_EVENT_MASK, event_mask,
6991                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6992                       GDI_CALLBACK_ACTION, HandleControlButtons,
6993                       GDI_END);
6994
6995     if (gi == NULL)
6996       Error(ERR_EXIT, "cannot create gadget");
6997
6998     level_editor_gadget[id] = gi;
6999   }
7000 }
7001
7002 static void CreateCheckbuttonGadgets(void)
7003 {
7004   struct GadgetInfo *gi;
7005   unsigned int event_mask;
7006   int i;
7007
7008   event_mask = GD_EVENT_PRESSED;
7009
7010   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7011   {
7012     int id = checkbutton_info[i].gadget_id;
7013     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7014                    IMG_EDITOR_CHECKBOX);
7015     struct GraphicInfo *gd = &graphic_info[graphic];
7016     int gd_x1 = gd->src_x;
7017     int gd_y1 = gd->src_y;
7018     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7019     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7020     int gd_x1a = gd->src_x + gd->active_xoffset;
7021     int gd_y1a = gd->src_y + gd->active_yoffset;
7022     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7023     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7024     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7025     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7026
7027     // determine horizontal position to the right of specified gadget
7028     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7029       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7030            ED_GADGET_TEXT_DISTANCE);
7031
7032     // determine horizontal offset for leading text
7033     if (checkbutton_info[i].text_left != NULL)
7034       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7035
7036     gi = CreateGadget(GDI_CUSTOM_ID, id,
7037                       GDI_CUSTOM_TYPE_ID, i,
7038                       GDI_IMAGE_ID, graphic,
7039                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7040                       GDI_X, x,
7041                       GDI_Y, y,
7042                       GDI_WIDTH, gd->width,
7043                       GDI_HEIGHT, gd->height,
7044                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7045                       GDI_CHECKED, *checkbutton_info[i].value,
7046                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7047                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7048                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7049                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7050                       GDI_EVENT_MASK, event_mask,
7051                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7052                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7053                       GDI_END);
7054
7055     if (gi == NULL)
7056       Error(ERR_EXIT, "cannot create gadget");
7057
7058     level_editor_gadget[id] = gi;
7059     right_gadget_border[id] =
7060       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7061   }
7062 }
7063
7064 static void CreateRadiobuttonGadgets(void)
7065 {
7066   int graphic = IMG_EDITOR_RADIOBUTTON;
7067   struct GraphicInfo *gd = &graphic_info[graphic];
7068   int gd_x1 = gd->src_x;
7069   int gd_y1 = gd->src_y;
7070   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7071   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7072   int gd_x1a = gd->src_x + gd->active_xoffset;
7073   int gd_y1a = gd->src_y + gd->active_yoffset;
7074   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7075   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7076   struct GadgetInfo *gi;
7077   unsigned int event_mask;
7078   int i;
7079
7080   event_mask = GD_EVENT_PRESSED;
7081
7082   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7083   {
7084     int id = radiobutton_info[i].gadget_id;
7085     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7086     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7087
7088     int checked =
7089       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7090
7091     // determine horizontal position to the right of specified gadget
7092     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7093       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7094            ED_GADGET_TEXT_DISTANCE);
7095
7096     // determine horizontal offset for leading text
7097     if (radiobutton_info[i].text_left != NULL)
7098       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7099
7100     gi = CreateGadget(GDI_CUSTOM_ID, id,
7101                       GDI_CUSTOM_TYPE_ID, i,
7102                       GDI_IMAGE_ID, graphic,
7103                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7104                       GDI_X, x,
7105                       GDI_Y, y,
7106                       GDI_WIDTH, gd->width,
7107                       GDI_HEIGHT, gd->height,
7108                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7109                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7110                       GDI_CHECKED, checked,
7111                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7112                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7113                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7114                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7115                       GDI_EVENT_MASK, event_mask,
7116                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7117                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7118                       GDI_END);
7119
7120     if (gi == NULL)
7121       Error(ERR_EXIT, "cannot create gadget");
7122
7123     level_editor_gadget[id] = gi;
7124     right_gadget_border[id] =
7125       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7126   }
7127 }
7128
7129 void CreateLevelEditorGadgets(void)
7130 {
7131   // force EDITOR font inside level editor
7132   SetFontStatus(GAME_MODE_EDITOR);
7133
7134   // these values are not constant, but can change at runtime
7135   ed_fieldx = MAX_ED_FIELDX - 1;
7136   ed_fieldy = MAX_ED_FIELDY - 1;
7137
7138   num_editor_gadgets = NUM_EDITOR_GADGETS;
7139
7140   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7141
7142   level_editor_gadget =
7143     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7144   right_gadget_border =
7145     checked_calloc(num_editor_gadgets * sizeof(int));
7146
7147   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7148   editor_el_empty_ptr = editor_el_empty;
7149
7150   use_permanent_palette = !editor.palette.show_as_separate_screen;
7151
7152   ReinitializeElementList();
7153
7154   CreateControlButtons();
7155   CreateScrollbarGadgets();
7156
7157   // order of function calls is important because of cross-references
7158   CreateCheckbuttonGadgets();
7159   CreateCounterButtons();
7160   CreateRadiobuttonGadgets();
7161   CreateTextInputGadgets();
7162   CreateTextAreaGadgets();
7163   CreateSelectboxGadgets();
7164   CreateGraphicbuttonGadgets();
7165   CreateTextbuttonGadgets();
7166   CreateDrawingAreas();
7167
7168   ResetFontStatus();
7169 }
7170
7171 void FreeLevelEditorGadgets(void)
7172 {
7173   int i;
7174
7175   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7176
7177   for (i = 0; i < num_editor_gadgets; i++)
7178   {
7179     FreeGadget(level_editor_gadget[i]);
7180
7181     level_editor_gadget[i] = NULL;
7182   }
7183
7184   checked_free(level_editor_gadget);
7185   checked_free(right_gadget_border);
7186
7187   checked_free(editor_el_empty);
7188 }
7189
7190 static void MapCounterButtons(int id)
7191 {
7192   int font_nr = FONT_TEXT_1;
7193   int font_height = getFontHeight(font_nr);
7194   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7195   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7196   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7197   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7198   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7199   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7200   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7201   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7202   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7203   int yoffset = (gi_down->height - font_height) / 2;
7204   int x_left = gi_down->x - xoffset_left;
7205   int x_right;  // set after gadget position was modified
7206   int y_above = gi_down->y - yoffset_above;
7207   int x = gi_down->x;
7208   int y;        // set after gadget position was modified
7209
7210   // counter limits must be changed first to prevent value truncation
7211   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7212                             counterbutton_info[id].max_value);
7213
7214   // right text position might have changed after setting position above
7215   x_right = gi_up->x + gi_up->width + xoffset_right;
7216
7217   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7218
7219   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7220   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7221       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7222   {
7223     ModifyGadget(gi_down, GDI_Y,
7224                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7225     ModifyGadget(gi_text, GDI_Y,
7226                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7227     ModifyGadget(gi_up,   GDI_Y,
7228                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7229   }
7230
7231   // vertical position might have changed after setting position above
7232   y = gi_up->y + yoffset;
7233
7234   if (counterbutton_info[id].text_above)
7235     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7236
7237   if (counterbutton_info[id].text_left)
7238     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7239
7240   if (counterbutton_info[id].text_right)
7241     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7242
7243   MapGadget(gi_down);
7244   MapGadget(gi_text);
7245   MapGadget(gi_up);
7246 }
7247
7248 static void MapControlButtons(void)
7249 {
7250   int counter_id;
7251   int i;
7252
7253   // map toolbox buttons (excluding special CE toolbox buttons)
7254   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7255     MapGadget(level_editor_gadget[i]);
7256
7257   // map toolbox buttons (element properties buttons)
7258   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7259     MapGadget(level_editor_gadget[i]);
7260
7261   if (use_permanent_palette)
7262   {
7263     // map buttons to select elements
7264     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7265       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7266     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7267     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7268     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7269   }
7270
7271   // map buttons to select level
7272   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7273   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7274   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7275   MapCounterButtons(counter_id);
7276 }
7277
7278 static void MapDrawingArea(int id)
7279 {
7280   int font_nr = FONT_TEXT_1;
7281   int font_height = getFontHeight(font_nr);
7282   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7283   int area_xsize = gi->drawing.area_xsize;
7284   int area_ysize = gi->drawing.area_ysize;
7285   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7286   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7287   int x_left  = gi->x - xoffset_left;
7288   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7289   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7290   int y_side  = gi->y + (gi->height - font_height) / 2;
7291   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7292
7293   if (drawingarea_info[id].text_left)
7294     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7295
7296   if (drawingarea_info[id].text_right)
7297     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7298
7299   if (drawingarea_info[id].text_below)
7300     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7301
7302   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7303   {
7304     DrawElementBorder(gi->x, gi->y,
7305                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7306                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7307
7308     DrawDrawingArea(id);
7309   }
7310
7311   MapGadget(gi);
7312 }
7313
7314 static void MapTextInputGadget(int id)
7315 {
7316   int font_nr = FONT_TEXT_1;
7317   int font_height = getFontHeight(font_nr);
7318   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7319   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7320   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7321   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7322
7323   if (textinput_info[id].text_above)
7324     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7325
7326   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7327
7328   MapGadget(gi);
7329 }
7330
7331 static void MapTextAreaGadget(int id)
7332 {
7333   int font_nr = FONT_TEXT_1;
7334   int font_height = getFontHeight(font_nr);
7335   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7336   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7337   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7338   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7339
7340   if (textarea_info[id].text_above)
7341     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7342
7343   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7344
7345   MapGadget(gi);
7346 }
7347
7348 static void MapSelectboxGadget(int id)
7349 {
7350   int font_nr = FONT_TEXT_1;
7351   int font_height = getFontHeight(font_nr);
7352   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7353   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7354   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7355   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7356   int yoffset = (gi->height - font_height) / 2;
7357   int x_left = gi->x - xoffset_left;
7358   int x_right = gi->x + gi->width + xoffset_right;
7359   int y_above = gi->y - yoffset_above;
7360   int x = gi->x;
7361   int y = gi->y + yoffset;
7362
7363   if (selectbox_info[id].text_above)
7364     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7365
7366   if (selectbox_info[id].text_left)
7367     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7368
7369   if (selectbox_info[id].text_right)
7370     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7371
7372   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7373
7374   MapGadget(gi);
7375 }
7376
7377 static void MapTextbuttonGadget(int id)
7378 {
7379   int font_nr = FONT_TEXT_1;
7380   int font_height = getFontHeight(font_nr);
7381   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7382   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7383   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7384   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7385   int yoffset = (gi->height - font_height) / 2;
7386   int x_left = gi->x - xoffset_left;
7387   int x_right = gi->x + gi->width + xoffset_right;
7388   int y_above = gi->y - yoffset_above;
7389   int x = gi->x;
7390   int y = gi->y + yoffset;
7391
7392   // only show button to delete change pages when more than minimum pages
7393   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7394       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7395     return;
7396
7397   if (textbutton_info[id].text_above)
7398     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7399
7400   if (textbutton_info[id].text_left)
7401     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7402
7403   if (textbutton_info[id].text_right)
7404     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7405
7406   MapGadget(gi);
7407 }
7408
7409 static void MapGraphicbuttonGadget(int id)
7410 {
7411   int font_nr = FONT_TEXT_1;
7412   int font_height = getFontHeight(font_nr);
7413   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7414   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7415   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7416   int yoffset = (gi->height - font_height) / 2;
7417   int x_left = gi->x - xoffset_left;
7418   int x_right = gi->x + gi->width + xoffset_right;
7419   int y = gi->y + yoffset;
7420
7421   if (graphicbutton_info[id].text_left)
7422     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7423
7424   if (graphicbutton_info[id].text_right)
7425     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7426
7427   MapGadget(gi);
7428 }
7429
7430 static void MapRadiobuttonGadget(int id)
7431 {
7432   int font_nr = FONT_TEXT_1;
7433   int font_height = getFontHeight(font_nr);
7434   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7435   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7436   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7437   int yoffset = (gi->height - font_height) / 2;
7438   int x_left = gi->x - xoffset_left;
7439   int x_right = gi->x + gi->width + xoffset_right;
7440   int y = gi->y + yoffset;
7441   boolean checked =
7442     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7443
7444   if (radiobutton_info[id].text_left)
7445     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7446
7447   if (radiobutton_info[id].text_right)
7448     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7449
7450   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7451
7452   MapGadget(gi);
7453 }
7454
7455 static void MapCheckbuttonGadget(int id)
7456 {
7457   int font_nr = FONT_TEXT_1;
7458   int font_height = getFontHeight(font_nr);
7459   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7460   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7461   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7462   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7463   int yoffset = (gi->height - font_height) / 2;
7464   int y_above = gi->y - yoffset_above;
7465   int x = gi->x;
7466   int x_left, x_right, y;       // set after gadget position was modified
7467
7468   // set position for gadgets with dynamically determined position
7469   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7470     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7471   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7472
7473   x_left = gi->x - xoffset_left;
7474   x_right = gi->x + gi->width + xoffset_right;
7475   y = gi->y + yoffset;
7476
7477   if (checkbutton_info[id].text_above)
7478     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7479
7480   if (checkbutton_info[id].text_left)
7481     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7482
7483   if (checkbutton_info[id].text_right)
7484     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7485
7486   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7487
7488   MapGadget(gi);
7489 }
7490
7491 static void MapMainDrawingArea(void)
7492 {
7493   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7494   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7495   int i;
7496
7497   if (suppressBorderElement())
7498   {
7499     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7500     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7501   }
7502
7503   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7504   {
7505     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7506           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7507          no_horizontal_scrollbar) ||
7508         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7509           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7510          no_vertical_scrollbar))
7511       continue;
7512
7513     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7514   }
7515
7516   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7517   {
7518     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7519         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7520       continue;
7521
7522     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7523   }
7524
7525   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7526 }
7527
7528 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7529 {
7530   int i;
7531
7532   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7533   {
7534     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7535         i == GADGET_ID_CUSTOM_COPY_TO ||
7536         i == GADGET_ID_CUSTOM_EXCHANGE ||
7537         i == GADGET_ID_CUSTOM_COPY ||
7538         i == GADGET_ID_CUSTOM_PASTE)
7539     {
7540       if (map)
7541         MapGadget(level_editor_gadget[i]);
7542       else
7543         UnmapGadget(level_editor_gadget[i]);
7544     }
7545   }
7546 }
7547
7548 static void MapLevelEditorToolboxCustomGadgets(void)
7549 {
7550   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7551 }
7552
7553 static void UnmapLevelEditorToolboxCustomGadgets(void)
7554 {
7555   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7556 }
7557
7558 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7559 {
7560   int i;
7561
7562   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7563   {
7564     if (i != GADGET_ID_SINGLE_ITEMS &&
7565         i != GADGET_ID_PICK_ELEMENT)
7566     {
7567       struct GadgetInfo *gi = level_editor_gadget[i];
7568
7569       if (map)
7570       {
7571         MapGadget(gi);
7572       }
7573       else
7574       {
7575         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7576         struct GraphicInfo *gd = &graphic_info[graphic];
7577
7578         UnmapGadget(gi);
7579
7580         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7581                    gi->width, gi->height, gi->x, gi->y);
7582
7583         redraw_mask |= REDRAW_DOOR_3;
7584       }
7585     }
7586   }
7587 }
7588
7589 static void MapLevelEditorToolboxDrawingGadgets(void)
7590 {
7591   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7592 }
7593
7594 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7595 {
7596   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7597 }
7598
7599 static void UnmapDrawingArea(int id)
7600 {
7601   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7602 }
7603
7604 static void UnmapLevelEditorFieldGadgets(void)
7605 {
7606   int i;
7607
7608   for (i = 0; i < num_editor_gadgets; i++)
7609     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7610                           level_editor_gadget[i]->y))
7611       UnmapGadget(level_editor_gadget[i]);
7612 }
7613
7614 void UnmapLevelEditorGadgets(void)
7615 {
7616   int i;
7617
7618   for (i = 0; i < num_editor_gadgets; i++)
7619     UnmapGadget(level_editor_gadget[i]);
7620 }
7621
7622 static void ResetUndoBuffer(void)
7623 {
7624   undo_buffer_position = -1;
7625   undo_buffer_steps = -1;
7626   redo_buffer_steps = 0;
7627
7628   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7629
7630   level.changed = FALSE;
7631 }
7632
7633 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7634 {
7635   if (remap_toolbox_gadgets)
7636   {
7637     ModifyEditorElementList();
7638     RedrawDrawingElements();
7639   }
7640
7641   if (edit_mode == ED_MODE_INFO)
7642     DrawLevelInfoWindow();
7643   else if (edit_mode == ED_MODE_PROPERTIES)
7644     DrawPropertiesWindow();
7645   else if (edit_mode == ED_MODE_PALETTE)
7646     DrawPaletteWindow();
7647   else  // edit_mode == ED_MODE_DRAWING
7648     DrawDrawingWindowExt(remap_toolbox_gadgets);
7649 }
7650
7651 static void DrawEditModeWindow(void)
7652 {
7653   DrawEditModeWindowExt(TRUE);
7654 }
7655
7656 static void DrawEditModeWindow_PlayfieldOnly(void)
7657 {
7658   DrawEditModeWindowExt(FALSE);
7659 }
7660
7661 static void ChangeEditModeWindow(int new_edit_mode)
7662 {
7663   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7664
7665   DrawEditModeWindow();
7666 }
7667
7668 static boolean LevelChanged(void)
7669 {
7670   boolean field_changed = FALSE;
7671   int x, y;
7672
7673   for (y = 0; y < lev_fieldy; y++)
7674     for (x = 0; x < lev_fieldx; x++)
7675       if (Feld[x][y] != level.field[x][y])
7676         field_changed = TRUE;
7677
7678   return (level.changed || field_changed);
7679 }
7680
7681 static boolean PrepareSavingIntoPersonalLevelSet(void)
7682 {
7683   static LevelDirTree *last_copied_leveldir = NULL;
7684   static LevelDirTree *last_written_leveldir = NULL;
7685   static int last_copied_level_nr = -1;
7686   static int last_written_level_nr = -1;
7687   LevelDirTree *leveldir_former = leveldir_current;
7688   int level_nr_former = level_nr;
7689   int new_level_nr;
7690
7691   // remember last mod/save so that for current session, we write
7692   // back to the same personal copy, asking only about overwrite.
7693   if (leveldir_current == last_copied_leveldir &&
7694       level_nr == last_copied_level_nr)
7695   {
7696     // "cd" to personal level set dir (as used when writing last copy)
7697     leveldir_current = last_written_leveldir;
7698     level_nr = last_written_level_nr;
7699
7700     return TRUE;
7701   }
7702
7703   if (!Request("This level is read only! "
7704                "Save into personal level set?", REQ_ASK))
7705     return FALSE;
7706
7707   // "cd" to personal level set dir (for writing copy the first time)
7708   leveldir_current =
7709     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7710
7711   // find unused level number
7712   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7713   {
7714     static char *level_filename = NULL;
7715
7716     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7717
7718     if (!fileExists(level_filename))
7719       break;
7720   }
7721
7722   last_copied_leveldir = leveldir_former;
7723   last_copied_level_nr = level_nr_former;
7724
7725   last_written_leveldir = leveldir_current;
7726   last_written_level_nr = level_nr = new_level_nr;
7727
7728   return TRUE;
7729 }
7730
7731 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7732 {
7733   static char *filename_levelinfo = NULL, *mod_name = NULL;
7734   FILE *file;
7735
7736   // annotate this copy-and-mod in personal levelinfo.conf
7737   setString(&filename_levelinfo,
7738             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7739
7740   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7741   {
7742     fprintf(file, "\n");
7743     fprintf(file, "# level %d was modified from:\n", level_nr);
7744     fprintf(file, "# - previous level set name:    %s\n",
7745             former_name);
7746     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7747             level.file_info.nr, level.name);
7748     fprintf(file, "# - previous author:            %s\n",
7749             level.author);
7750     fprintf(file, "# - previous save date:         ");
7751
7752     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7753     {
7754       fprintf(file, "%04d-%02d-%02d\n",
7755               level.creation_date.year,
7756               level.creation_date.month,
7757               level.creation_date.day);
7758     }
7759     else
7760     {
7761       fprintf(file, "not recorded\n");
7762     }
7763
7764     fclose(file);
7765   }
7766
7767   if (level_nr > leveldir_current->last_level)
7768     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7769
7770   // else: allow the save even if annotation failed
7771
7772   // now... spray graffiti on the old level vital statistics
7773   // user can change these; just trying to set a good baseline
7774
7775   // don't truncate names for fear of making offensive or silly:
7776   // long-named original author only recorded in levelinfo.conf.
7777   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7778   if (!strEqual(level.author, leveldir_current->author))
7779   {
7780     setString(&mod_name, getStringCat3(leveldir_current->author,
7781                                        " after ", level.author));
7782
7783     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7784       setString(&mod_name,
7785                 getStringCat2(leveldir_current->author, " (ed.)"));
7786
7787     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7788       setString(&mod_name, leveldir_current->author);
7789
7790     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7791
7792     // less worried about truncation here
7793     setString(&mod_name, getStringCat2("Mod: ", level.name));
7794     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7795   }
7796 }
7797
7798 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7799                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7800 {
7801   int x, y;
7802
7803   for (x = 0; x < lev_fieldx; x++)
7804     for (y = 0; y < lev_fieldy; y++)
7805       dst[x][y] = src[x][y];
7806 }
7807
7808 static int setSelectboxValue(int selectbox_id, int new_value)
7809 {
7810   int new_index_value = 0;
7811   int i;
7812
7813   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7814     if (selectbox_info[selectbox_id].options[i].value == new_value)
7815       new_index_value = i;
7816
7817   *selectbox_info[selectbox_id].value =
7818     selectbox_info[selectbox_id].options[new_index_value].value;
7819
7820   return new_index_value;
7821 }
7822
7823 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7824 {
7825   int i;
7826
7827   // change action mode and arg variables according to action type variable
7828   for (i = 0; action_arg_options[i].value != -1; i++)
7829   {
7830     if (action_arg_options[i].value == custom_element_change.action_type)
7831     {
7832       int mode = action_arg_options[i].mode;
7833
7834       // only change if corresponding selectbox has changed
7835       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7836           action_arg_modes[mode])
7837         custom_element_change.action_mode = -1;
7838
7839       // only change if corresponding selectbox has changed
7840       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7841           action_arg_options[i].options)
7842         custom_element_change.action_arg = -1;
7843
7844       break;
7845     }
7846   }
7847 }
7848
7849 static void setSelectboxSpecialActionOptions(void)
7850 {
7851   int i;
7852
7853   // change action mode and arg selectbox according to action type selectbox
7854   for (i = 0; action_arg_options[i].value != -1; i++)
7855   {
7856     if (action_arg_options[i].value == custom_element_change.action_type)
7857     {
7858       int mode = action_arg_options[i].mode;
7859
7860       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7861                                    action_arg_modes[mode]);
7862       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7863                                  custom_element_change.action_mode);
7864
7865       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7866                                    action_arg_options[i].options);
7867       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7868                                  custom_element_change.action_arg);
7869       break;
7870     }
7871   }
7872 }
7873
7874 static void copy_custom_element_settings(int element_from, int element_to)
7875 {
7876   struct ElementInfo *ei_from = &element_info[element_from];
7877   struct ElementInfo *ei_to = &element_info[element_to];
7878
7879   copyElementInfo(ei_from, ei_to);
7880 }
7881
7882 static void replace_custom_element_in_settings(int element_from,
7883                                                int element_to)
7884 {
7885   int i, j, x, y;
7886
7887   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7888   {
7889     struct ElementInfo *ei = &element_info[i];
7890
7891     for (y = 0; y < 3; y++)
7892       for (x = 0; x < 3; x++)
7893         if (ei->content.e[x][y] == element_from)
7894           ei->content.e[x][y] = element_to;
7895
7896     for (j = 0; j < ei->num_change_pages; j++)
7897     {
7898       struct ElementChangeInfo *change = &ei->change_page[j];
7899
7900       if (change->target_element == element_from)
7901         change->target_element = element_to;
7902
7903       if (change->initial_trigger_element == element_from)
7904         change->initial_trigger_element = element_to;
7905
7906       if (change->action_element == element_from)
7907         change->action_element = element_to;
7908
7909       for (y = 0; y < 3; y++)
7910         for (x = 0; x < 3; x++)
7911           if (change->target_content.e[x][y] == element_from)
7912             change->target_content.e[x][y] = element_to;
7913     }
7914
7915     if (ei->group != NULL)                              // group or internal
7916       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7917         if (ei->group->element[j] == element_from)
7918           ei->group->element[j] = element_to;
7919   }
7920 }
7921
7922 static void replace_custom_element_in_playfield(int element_from,
7923                                                 int element_to)
7924 {
7925   int x, y;
7926
7927   for (x = 0; x < lev_fieldx; x++)
7928     for (y = 0; y < lev_fieldy; y++)
7929       if (Feld[x][y] == element_from)
7930         Feld[x][y] = element_to;
7931 }
7932
7933 static boolean CopyCustomElement(int element_old, int element_new,
7934                                  int copy_mode)
7935 {
7936   int copy_mode_orig = copy_mode;
7937
7938   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7939   {
7940     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7941                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7942     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7943   }
7944   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7945   {
7946     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7947                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7948     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7949
7950     level.changed = TRUE;
7951   }
7952   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7953   {
7954     Request("Please choose custom element!", REQ_CONFIRM);
7955
7956     return FALSE;
7957   }
7958   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7959   {
7960     Request("Please choose group element!", REQ_CONFIRM);
7961
7962     return FALSE;
7963   }
7964   else
7965   {
7966     level.changed = TRUE;
7967   }
7968
7969   // when modifying custom/group element, ask for copying level template
7970   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7971   {
7972     if (!AskToCopyAndModifyLevelTemplate())
7973       return FALSE;
7974   }
7975
7976   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7977   {
7978     copy_custom_element_settings(element_new, element_old);
7979   }
7980   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7981   {
7982     copy_custom_element_settings(element_old, element_new);
7983   }
7984   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7985   {
7986     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7987     copy_custom_element_settings(element_new, element_old);
7988     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7989
7990     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7991     replace_custom_element_in_settings(element_new, element_old);
7992     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7993
7994     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7995     replace_custom_element_in_playfield(element_new, element_old);
7996     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7997   }
7998
7999   UpdateCustomElementGraphicGadgets();
8000   DrawPropertiesWindow();
8001
8002   return TRUE;
8003 }
8004
8005 static void CopyCustomElementPropertiesToEditor(int element)
8006 {
8007   int i;
8008   int current_change_page = element_info[element].current_change_page;
8009
8010   // dynamically (re)build selectbox for selecting change page
8011   for (i = 0; i < element_info[element].num_change_pages; i++)
8012   {
8013     sprintf(options_change_page_strings[i], "%d", i + 1);
8014
8015     options_change_page[i].value = i;
8016     options_change_page[i].text = options_change_page_strings[i];
8017   }
8018
8019   options_change_page[i].value = -1;
8020   options_change_page[i].text = NULL;
8021
8022   // needed here to initialize combined element properties
8023   InitElementPropertiesEngine(level.game_version);
8024
8025   element_info[element].change =
8026     &element_info[element].change_page[current_change_page];
8027
8028   custom_element = element_info[element];
8029   custom_element_change = *element_info[element].change;
8030
8031   // needed to initially set selectbox options for special action options
8032   setSelectboxSpecialActionOptions();
8033
8034   // needed to initially set selectbox value variables to reliable defaults
8035   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8036     setSelectboxValue(i, *selectbox_info[i].value);
8037
8038   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8039     custom_element_properties[i] = HAS_PROPERTY(element, i);
8040
8041   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8042     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8043
8044   // ---------- element settings: configure (custom elements) -----------------
8045
8046   // set accessible layer selectbox help value
8047   custom_element.access_type =
8048     (IS_WALKABLE(element) ? EP_WALKABLE :
8049      IS_PASSABLE(element) ? EP_PASSABLE :
8050      custom_element.access_type);
8051   custom_element.access_layer =
8052     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8053      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8054      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8055      custom_element.access_layer);
8056   custom_element.access_protected =
8057     (IS_PROTECTED(element) ? 1 : 0);
8058   custom_element_properties[EP_ACCESSIBLE] =
8059     (IS_ACCESSIBLE_OVER(element) ||
8060      IS_ACCESSIBLE_INSIDE(element) ||
8061      IS_ACCESSIBLE_UNDER(element));
8062
8063   // set walk-to-object action selectbox help value
8064   custom_element.walk_to_action =
8065     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8066      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8067      IS_DROPPABLE(element) ? EP_DROPPABLE :
8068      IS_THROWABLE(element) ? EP_THROWABLE :
8069      IS_PUSHABLE(element) ? EP_PUSHABLE :
8070      custom_element.walk_to_action);
8071   custom_element_properties[EP_WALK_TO_OBJECT] =
8072     (IS_DIGGABLE(element) ||
8073      IS_COLLECTIBLE_ONLY(element) ||
8074      IS_DROPPABLE(element) ||
8075      IS_THROWABLE(element) ||
8076      IS_PUSHABLE(element));
8077
8078   // set smash targets selectbox help value
8079   custom_element.smash_targets =
8080     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8081      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8082      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8083      custom_element.smash_targets);
8084   custom_element_properties[EP_CAN_SMASH] =
8085     (CAN_SMASH_EVERYTHING(element) ||
8086      CAN_SMASH_ENEMIES(element) ||
8087      CAN_SMASH_PLAYER(element));
8088
8089   // set deadliness selectbox help value
8090   custom_element.deadliness =
8091     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8092      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8093      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8094      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8095      custom_element.deadliness);
8096   custom_element_properties[EP_DEADLY] =
8097     (DONT_TOUCH(element) ||
8098      DONT_GET_HIT_BY(element) ||
8099      DONT_COLLIDE_WITH(element) ||
8100      DONT_RUN_INTO(element));
8101
8102   // ---------- element settings: advanced (custom elements) ------------------
8103
8104   // set "change by direct action" selectbox help value
8105   custom_element_change.direct_action =
8106     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8107      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8108      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8109      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8110      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8111      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8112      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8113      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8114      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8115      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8116      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8117      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8118      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8119      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8120      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8121      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8122      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8123      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8124      custom_element_change.direct_action);
8125
8126   // set "change by other element action" selectbox help value
8127   custom_element_change.other_action =
8128     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8129      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8130      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8131      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8132      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8133      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8134      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8135      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8136      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8137      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8138      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8139      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8140      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8141      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8142      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8143      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8144      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8145      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8146      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8147      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8148      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8149      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8150      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8151      custom_element_change.other_action);
8152 }
8153
8154 static void CopyGroupElementPropertiesToEditor(int element)
8155 {
8156   group_element_info = *element_info[element].group;
8157   custom_element = element_info[element];       // needed for description
8158 }
8159
8160 static void CopyClassicElementPropertiesToEditor(int element)
8161 {
8162   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8163     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8164       getMoveIntoAcidProperty(&level, element);
8165
8166   if (MAYBE_DONT_COLLIDE_WITH(element))
8167     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8168       getDontCollideWithProperty(&level, element);
8169 }
8170
8171 static void CopyElementPropertiesToEditor(int element)
8172 {
8173   if (IS_CUSTOM_ELEMENT(element))
8174     CopyCustomElementPropertiesToEditor(element);
8175   else if (IS_GROUP_ELEMENT(element))
8176     CopyGroupElementPropertiesToEditor(element);
8177   else
8178     CopyClassicElementPropertiesToEditor(element);
8179 }
8180
8181 static boolean AskToCopyAndModifyLevelTemplate(void)
8182 {
8183   if (Request("Copy and modify settings from level template?", REQ_ASK))
8184   {
8185     level.use_custom_template = FALSE;
8186
8187     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8188                  GDI_CHECKED, FALSE, GDI_END);
8189     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8190                  GDI_CHECKED, FALSE, GDI_END);
8191
8192     return TRUE;
8193   }
8194   else
8195   {
8196     LoadLevelTemplate(-1);      // this resets all element modifications ...
8197
8198     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8199
8200     return FALSE;
8201   }
8202 }
8203
8204 static void CopyCustomElementPropertiesToGame(int element)
8205 {
8206   int i;
8207   int access_type_and_layer;
8208
8209   // mark that this custom element has been modified
8210   custom_element.modified_settings = TRUE;
8211   level.changed = TRUE;
8212
8213   if (level.use_custom_template)
8214     AskToCopyAndModifyLevelTemplate();
8215
8216   element_info[element] = custom_element;
8217   *element_info[element].change = custom_element_change;
8218
8219   // ---------- element settings: configure (custom elements) -----------------
8220
8221   // set accessible property from checkbox and selectbox
8222   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8223   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8224   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8225   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8226   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8227   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8228   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8229                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8230                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8231   custom_element_properties[access_type_and_layer] =
8232     custom_element_properties[EP_ACCESSIBLE];
8233   custom_element_properties[EP_PROTECTED] =
8234     (custom_element.access_protected != 0 &&
8235      custom_element_properties[EP_ACCESSIBLE]);
8236
8237   // set walk-to-object property from checkbox and selectbox
8238   custom_element_properties[EP_DIGGABLE] = FALSE;
8239   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8240   custom_element_properties[EP_DROPPABLE] = FALSE;
8241   custom_element_properties[EP_THROWABLE] = FALSE;
8242   custom_element_properties[EP_PUSHABLE] = FALSE;
8243   custom_element_properties[custom_element.walk_to_action] =
8244     custom_element_properties[EP_WALK_TO_OBJECT];
8245
8246   // set smash property from checkbox and selectbox
8247   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8248   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8249   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8250   custom_element_properties[custom_element.smash_targets] =
8251     custom_element_properties[EP_CAN_SMASH];
8252
8253   // set deadliness property from checkbox and selectbox
8254   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8255   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8256   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8257   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8258   custom_element_properties[custom_element.deadliness] =
8259     custom_element_properties[EP_DEADLY];
8260
8261   // ---------- element settings: advanced (custom elements) ------------------
8262
8263   // set player change event from checkbox and selectbox
8264   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8265   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8266   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8267   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8268   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8269   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8270   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8271   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8272   custom_element_change_events[CE_SWITCHED] = FALSE;
8273   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8274   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8275   custom_element_change_events[CE_BLOCKED] = FALSE;
8276   custom_element_change_events[CE_IMPACT] = FALSE;
8277   custom_element_change_events[CE_SMASHED] = FALSE;
8278   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8279   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8280   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8281   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8282   custom_element_change_events[custom_element_change.direct_action] =
8283     custom_element_change_events[CE_BY_DIRECT_ACTION];
8284
8285   // set other element action change event from checkbox and selectbox
8286   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8287   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8288   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8289   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8290   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8291   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8292   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8293   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8294   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8295   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8296   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8297   custom_element_change_events[CE_HITTING_X] = FALSE;
8298   custom_element_change_events[CE_DIGGING_X] = FALSE;
8299   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8300   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8301   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8302   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8303   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8304   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8305   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8306   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8307   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8308   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8309   custom_element_change_events[custom_element_change.other_action] =
8310     custom_element_change_events[CE_BY_OTHER_ACTION];
8311
8312   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8313     SET_PROPERTY(element, i, custom_element_properties[i]);
8314
8315   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8316     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8317
8318   // copy change events also to special level editor variable
8319   custom_element = element_info[element];
8320   custom_element_change = *element_info[element].change;
8321 }
8322
8323 static void CopyGroupElementPropertiesToGame(int element)
8324 {
8325   // mark that this group element has been modified
8326   custom_element.modified_settings = TRUE;
8327   level.changed = TRUE;
8328
8329   if (level.use_custom_template)
8330     AskToCopyAndModifyLevelTemplate();
8331
8332   element_info[element] = custom_element;
8333   *element_info[element].group = group_element_info;
8334 }
8335
8336 static void CopyClassicElementPropertiesToGame(int element)
8337 {
8338   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8339     setMoveIntoAcidProperty(&level, element,
8340                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8341
8342   if (MAYBE_DONT_COLLIDE_WITH(element))
8343     setDontCollideWithProperty(&level, element,
8344                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8345 }
8346
8347 static void CopyElementPropertiesToGame(int element)
8348 {
8349   if (IS_CUSTOM_ELEMENT(element))
8350     CopyCustomElementPropertiesToGame(element);
8351   else if (IS_GROUP_ELEMENT(element))
8352     CopyGroupElementPropertiesToGame(element);
8353   else
8354     CopyClassicElementPropertiesToGame(element);
8355 }
8356
8357 #if DEBUG
8358 static void CheckElementDescriptions(void)
8359 {
8360   int i;
8361
8362   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8363     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8364       Error(ERR_WARN, "no element description file for element '%s'",
8365             EL_NAME(i));
8366 }
8367 #endif
8368
8369 static int getMaxEdFieldX(boolean has_scrollbar)
8370 {
8371   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8372   int sxsize = SXSIZE - scrollbar_width;
8373   int max_ed_fieldx = sxsize / ed_tilesize;
8374
8375   return max_ed_fieldx;
8376 }
8377
8378 static int getMaxEdFieldY(boolean has_scrollbar)
8379 {
8380   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8381                          INFOTEXT_YSIZE_FULL : 0);
8382   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8383   int sysize = SYSIZE - scrollbar_height - infotext_height;
8384   int max_ed_fieldy = sysize / ed_tilesize;
8385
8386   return max_ed_fieldy;
8387 }
8388
8389 static void InitZoomLevelSettings(int zoom_tilesize)
8390 {
8391   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8392
8393   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8394   {
8395     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8396     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8397
8398     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8399     {
8400       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8401       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8402     }
8403   }
8404
8405   last_game_engine_type = level.game_engine_type;
8406
8407   // limit zoom tilesize by upper and lower bound
8408   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8409
8410   // store zoom tilesize in auto setup file only if it was manually changed
8411   if (zoom_tilesize != -1)
8412     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8413
8414   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8415   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8416 }
8417
8418 static void InitDrawingElements(void)
8419 {
8420   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8421
8422   if (level.game_engine_type == game_engine_type_last)
8423     return;
8424
8425   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8426   {
8427     new_element1 = EL_SP_CHIP_SINGLE;
8428     new_element2 = EL_EMPTY;
8429     new_element3 = EL_SP_BASE;
8430   }
8431   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8432   {
8433     new_element1 = EL_MM_MIRROR_START;
8434     new_element2 = EL_EMPTY;
8435     new_element3 = EL_MM_WOODEN_WALL;
8436   }
8437   else
8438   {
8439     new_element1 = EL_WALL;
8440     new_element2 = EL_EMPTY;
8441     new_element3 = EL_SAND;
8442   }
8443
8444   game_engine_type_last = level.game_engine_type;
8445 }
8446
8447 static void InitLevelSetInfo(void)
8448 {
8449   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8450            "%s", leveldir_current->name);
8451   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8452            "%s", leveldir_current->author);
8453
8454   levelset_num_levels = leveldir_current->levels;
8455
8456   levelset_use_levelset_artwork = FALSE;
8457   levelset_copy_level_template = FALSE;
8458
8459   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8460 }
8461
8462 static void ChangeEditorToLevelSet(char *levelset_subdir)
8463 {
8464   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8465
8466   // the previous level set might have used custom artwork
8467   ReloadCustomArtwork(0);
8468
8469   LoadLevelSetup_SeriesInfo();
8470
8471   SaveLevelSetup_LastSeries();
8472   SaveLevelSetup_SeriesInfo();
8473
8474   TapeErase();
8475
8476   LoadLevel(level_nr);
8477   LoadScore(level_nr);
8478
8479   DrawLevelEd();
8480 }
8481
8482 static boolean useEditorDoorAnimation(void)
8483 {
8484   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8485   boolean door_1_viewport_unchanged =
8486     (vp_door_1->x      == DX     &&
8487      vp_door_1->y      == DY     &&
8488      vp_door_1->width  == DXSIZE &&
8489      vp_door_1->height == DYSIZE);
8490   boolean door_1_contains_toolbox =
8491     (EX >= DX &&
8492      EY >= DY &&
8493      EX + EXSIZE <= DX + DXSIZE &&
8494      EY + EYSIZE <= DY + DYSIZE);
8495
8496   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8497 }
8498
8499 static void DrawEditorDoorContent(void)
8500 {
8501   // needed for gadgets drawn on background (like palette scrollbar)
8502   SetDoorBackgroundImage(IMG_UNDEFINED);
8503
8504   // copy default editor door content to main double buffer
8505   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8506              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8507              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8508              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8509              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8510              DX, DY);
8511
8512   // draw bigger door
8513   DrawSpecialEditorDoor();
8514
8515   // draw new control window
8516   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8517              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8518              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8519              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8520              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8521              EX, EY);
8522
8523   // draw all toolbox gadgets to editor doors
8524   MapControlButtons();
8525
8526   // draw all palette gadgets to editor doors
8527   ModifyEditorElementList();
8528   RedrawDrawingElements();
8529
8530   // copy actual editor door content to door double buffer for OpenDoor()
8531   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8532 }
8533
8534 void DrawLevelEd(void)
8535 {
8536   int fade_mask = REDRAW_FIELD;
8537
8538   FadeSoundsAndMusic();
8539
8540   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8541     fade_mask = REDRAW_ALL;
8542
8543   FadeOut(fade_mask);
8544
8545   // needed if different viewport properties defined for editor
8546   ChangeViewportPropertiesIfNeeded();
8547
8548   ClearField();
8549
8550   InitZoomLevelSettings(-1);
8551   InitDrawingElements();
8552   InitLevelSetInfo();
8553
8554 #if DEBUG
8555   CheckElementDescriptions();
8556 #endif
8557
8558   if (level_editor_test_game)
8559   {
8560     CopyPlayfield(level.field, Feld);
8561     CopyPlayfield(FieldBackup, level.field);
8562
8563     level_editor_test_game = FALSE;
8564   }
8565   else
8566   {
8567     edit_mode = ED_MODE_DRAWING;
8568     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8569     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8570
8571     ResetUndoBuffer();
8572
8573     level_xpos = -1;
8574     level_ypos = -1;
8575   }
8576
8577   // redraw_mask |= REDRAW_ALL;
8578
8579   FreeLevelEditorGadgets();
8580   CreateLevelEditorGadgets();
8581
8582   ReinitializeElementList();            // update dynamic level element list
8583   ReinitializeElementListButtons();     // custom element may look different
8584
8585   InitElementPropertiesGfxElement();
8586
8587   UnmapAllGadgets();
8588
8589   DrawEditModeWindow_PlayfieldOnly();
8590
8591   DrawMaskedBorder(fade_mask);
8592
8593   // use door animation if door 1 viewport is unchanged and contains toolbox
8594   if (useEditorDoorAnimation())
8595   {
8596     FadeIn(fade_mask);
8597
8598     DrawEditorDoorContent();
8599
8600     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8601   }
8602   else
8603   {
8604     DrawEditorDoorContent();
8605
8606     FadeIn(fade_mask);
8607   }
8608
8609   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8610 }
8611
8612 static void AdjustDrawingAreaGadgets(void)
8613 {
8614   int ed_xsize = lev_fieldx + 2;
8615   int ed_ysize = lev_fieldy + 2;
8616   int max_ed_fieldx = MAX_ED_FIELDX;
8617   int max_ed_fieldy = MAX_ED_FIELDY;
8618   boolean horizontal_scrollbar_needed;
8619   boolean vertical_scrollbar_needed;
8620   int x, y, width, height;
8621
8622   if (suppressBorderElement())
8623   {
8624     ed_xsize = max_ed_fieldx;
8625     ed_ysize = max_ed_fieldy;
8626   }
8627
8628   // check if we need any scrollbars
8629   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8630   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8631
8632   // check if we have a smaller editor field because of scrollbars
8633   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8634   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8635
8636   // check again if we now need more scrollbars because of less space
8637   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8638   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8639
8640   // check if editor field gets even smaller after adding new scrollbars
8641   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8642   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8643
8644   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8645   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8646
8647   x = SX + ed_fieldx * ed_tilesize;
8648   y = SY + ed_fieldy * ed_tilesize;
8649
8650   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8651   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8652
8653   // adjust drawing area gadget
8654   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8655                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8656                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8657                GDI_END);
8658
8659   // adjust horizontal scrollbar gadgets
8660   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8661                GDI_Y, y,
8662                GDI_END);
8663   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8664                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8665                GDI_Y, y,
8666                GDI_END);
8667   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8668                GDI_Y, y,
8669                GDI_WIDTH, width,
8670                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8671                GDI_END);
8672
8673   // adjust vertical scrollbar gadgets
8674   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8675                GDI_X, x,
8676                GDI_END);
8677   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8678                GDI_X, x,
8679                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8680                GDI_END);
8681   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8682                GDI_X, x,
8683                GDI_HEIGHT, height,
8684                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8685                GDI_END);
8686 }
8687
8688 static void AdjustLevelScrollPosition(void)
8689 {
8690   if (level_xpos < -1)
8691     level_xpos = -1;
8692   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8693     level_xpos = lev_fieldx - ed_fieldx + 1;
8694   if (lev_fieldx < ed_fieldx - 2)
8695     level_xpos = -1;
8696
8697   if (level_ypos < -1)
8698     level_ypos = -1;
8699   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8700     level_ypos = lev_fieldy - ed_fieldy + 1;
8701   if (lev_fieldy < ed_fieldy - 2)
8702     level_ypos = -1;
8703
8704   if (suppressBorderElement())
8705   {
8706     level_xpos = 0;
8707     level_ypos = 0;
8708   }
8709 }
8710
8711 static void AdjustEditorScrollbar(int id)
8712 {
8713   struct GadgetInfo *gi = level_editor_gadget[id];
8714   int items_max, items_visible, item_position;
8715
8716   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8717   {
8718     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8719     items_visible = ed_fieldx;
8720     item_position = level_xpos + 1;
8721   }
8722   else
8723   {
8724     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8725     items_visible = ed_fieldy;
8726     item_position = level_ypos + 1;
8727   }
8728
8729   if (item_position > items_max - items_visible)
8730     item_position = items_max - items_visible;
8731
8732   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8733                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8734 }
8735
8736 static void AdjustElementListScrollbar(void)
8737 {
8738   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8739   int items_max, items_visible, item_position;
8740
8741   // correct position of element list scrollbar
8742   if (element_shift < 0)
8743     element_shift = 0;
8744   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8745     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8746
8747   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8748   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8749   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8750
8751   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8752                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8753                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8754 }
8755
8756 static void ModifyEditorCounterValue(int counter_id, int new_value)
8757 {
8758   int *counter_value = counterbutton_info[counter_id].value;
8759   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8760   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8761
8762   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8763
8764   if (counter_value != NULL)
8765     *counter_value = gi->textinput.number_value;
8766 }
8767
8768 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8769 {
8770   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8771   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8772
8773   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8774
8775   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8776       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8777   {
8778     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8779     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8780
8781     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8782     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8783                  GDI_END);
8784   }
8785 }
8786
8787 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8788 {
8789   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8790   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8791   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8792
8793   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8794 }
8795
8796 static void ModifyEditorSelectboxOptions(int selectbox_id,
8797                                          struct ValueTextInfo *options)
8798 {
8799   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8800   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8801
8802   selectbox_info[selectbox_id].options = options;
8803
8804   // set index to zero -- list may be shorter now (correct later, if needed)
8805   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8806                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8807 }
8808
8809 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8810 {
8811   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8812   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8813
8814   drawingarea_info[drawingarea_id].area_xsize = xsize;
8815   drawingarea_info[drawingarea_id].area_ysize = ysize;
8816
8817   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8818 }
8819
8820 static void ModifyEditorElementList(void)
8821 {
8822   int i;
8823
8824   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8825     return;
8826
8827   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8828   {
8829     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8830     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8831     struct GadgetDesign *gd = &gi->deco.design;
8832     int element = editor_elements[element_shift + i];
8833     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8834
8835     UnmapGadget(gi);
8836
8837     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8838
8839     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8840
8841     MapGadget(gi);
8842   }
8843 }
8844
8845 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8846 {
8847   int graphic = el2edimg(element);
8848   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8849
8850   if (pos->x == -1 &&
8851       pos->y == -1)
8852     return;
8853
8854   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8855 }
8856
8857 static void ModifyDrawingElementButton(int element, int id)
8858 {
8859   struct GadgetInfo *gi = level_editor_gadget[id];
8860   Bitmap *deco_bitmap;
8861   int deco_x, deco_y;
8862   int tile_size = gi->deco.width;
8863
8864   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8865
8866   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8867 }
8868
8869 static void PickDrawingElement(int button, int element)
8870 {
8871   struct
8872   {
8873     int *new_element;
8874     struct XYTileSize *pos;
8875     int id;
8876   } de, drawing_elements[] =
8877   {
8878     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8879     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8880     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8881   };
8882
8883   if (button < 1 || button > 3)
8884     return;
8885
8886   if (IS_MM_WALL(element))
8887     element = map_mm_wall_element(element);
8888
8889   de = drawing_elements[button - 1];
8890
8891   *de.new_element = element;    // update global drawing element variable
8892
8893   DrawDrawingElementGraphic(element, de.pos);
8894   ModifyDrawingElementButton(element, de.id);
8895
8896   redraw_mask |= REDRAW_DOOR_1;
8897 }
8898
8899 static void RedrawDrawingElements(void)
8900 {
8901   PickDrawingElement(1, new_element1);
8902   PickDrawingElement(2, new_element2);
8903   PickDrawingElement(3, new_element3);
8904 }
8905
8906 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8907 {
8908   stick_element_properties_window = FALSE;
8909
8910   SetMainBackgroundImage(IMG_UNDEFINED);
8911   ClearField();
8912
8913   UnmapLevelEditorFieldGadgets();
8914
8915   AdjustDrawingAreaGadgets();
8916   AdjustLevelScrollPosition();
8917   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8918   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8919
8920   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8921
8922   MapMainDrawingArea();
8923
8924   if (remap_toolbox_gadgets)
8925   {
8926     UnmapLevelEditorToolboxCustomGadgets();
8927     MapLevelEditorToolboxDrawingGadgets();
8928   }
8929 }
8930
8931 static void DrawDrawingWindow(void)
8932 {
8933   DrawDrawingWindowExt(TRUE);
8934 }
8935
8936 static int getTabulatorBarWidth(void)
8937 {
8938   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8939   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8940
8941   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8942 }
8943
8944 static int getTabulatorBarHeight(void)
8945 {
8946   return ED_TAB_BAR_HEIGHT;
8947 }
8948
8949 static Pixel getTabulatorBarColor(void)
8950 {
8951   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8952   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8953   int gd_x = gd->x + gd_gi1->border.width / 2;
8954   int gd_y = gd->y + gd_gi1->height - 1;
8955
8956   return GetPixel(gd->bitmap, gd_x, gd_y);
8957 }
8958
8959 static void DrawLevelInfoTabulatorGadgets(void)
8960 {
8961   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8962   Pixel tab_color = getTabulatorBarColor();
8963   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8964   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8965   int i;
8966
8967   for (i = id_first; i <= id_last; i++)
8968   {
8969     int gadget_id = textbutton_info[i].gadget_id;
8970     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8971     boolean active = (i != edit_mode_levelinfo);
8972
8973     // draw background line below tabulator button
8974     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8975
8976     // draw solid line below inactive tabulator buttons
8977     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
8978       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8979                     ED_GADGET_TINY_DISTANCE, tab_color);
8980
8981     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8982     MapTextbuttonGadget(i);
8983   }
8984
8985   // draw little border line below tabulator buttons
8986   if (tab_color != BLACK_PIXEL)                 // black => transparent
8987     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8988                   ED_GADGET_TINY_DISTANCE,
8989                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8990 }
8991
8992 static void DrawPropertiesTabulatorGadgets(void)
8993 {
8994   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8995   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8996   int gd_x = gd->x + gd_gi1->border.width / 2;
8997   int gd_y = gd->y + gd_gi1->height - 1;
8998   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8999   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9000   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9001   int i;
9002
9003   // draw two config tabulators for player elements
9004   if (ELEM_IS_PLAYER(properties_element))
9005     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9006
9007   // draw two config and one "change" tabulator for custom elements
9008   if (IS_CUSTOM_ELEMENT(properties_element))
9009     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9010
9011   for (i = id_first; i <= id_last; i++)
9012   {
9013     int gadget_id = textbutton_info[i].gadget_id;
9014     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9015     boolean active = (i != edit_mode_properties);
9016
9017     // use "config 1" and "config 2" instead of "config" for players and CEs
9018     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9019         (ELEM_IS_PLAYER(properties_element) ||
9020          IS_CUSTOM_ELEMENT(properties_element)))
9021       continue;
9022
9023     // draw background line below tabulator button
9024     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9025
9026     // draw solid line below inactive tabulator buttons
9027     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9028       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9029                     ED_GADGET_TINY_DISTANCE, tab_color);
9030
9031     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9032     MapTextbuttonGadget(i);
9033   }
9034
9035   // draw little border line below tabulator buttons
9036   if (tab_color != BLACK_PIXEL)                 // black => transparent
9037     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9038                   ED_GADGET_TINY_DISTANCE,
9039                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9040 }
9041
9042 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9043 {
9044   DrawText(SX + xpos, SY + ypos, text, font_nr);
9045 }
9046
9047 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9048                                            int xpos, int ypos)
9049 {
9050   int font_width = getFontWidth(font_nr);
9051   int font_height = getFontHeight(font_nr);
9052   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9053   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9054
9055   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9056                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9057                       TRUE, FALSE, FALSE);
9058 }
9059
9060 static void DrawLevelInfoLevel(void)
9061 {
9062   int i;
9063
9064   // draw counter gadgets
9065   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9066     MapCounterButtons(i);
9067
9068   // draw checkbutton gadgets
9069   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9070     MapCheckbuttonGadget(i);
9071
9072   // draw selectbox gadgets
9073   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9074     MapSelectboxGadget(i);
9075
9076   // draw text input gadgets
9077   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9078     MapTextInputGadget(i);
9079 }
9080
9081 static char *getLevelSubdirFromSaveMode(int save_mode)
9082 {
9083   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9084     return getNewUserLevelSubdir();
9085
9086   return leveldir_current->subdir;
9087 }
9088
9089 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9090 {
9091   char *directory_text = "Level set directory:";
9092   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9093   int font1_nr = FONT_TEXT_1;
9094   int font2_nr = FONT_TEXT_2;
9095   int font1_height = getFontHeight(font1_nr);
9096   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9097   int x = ED_LEVEL_SETTINGS_X(0);
9098   int y = ED_LEVEL_SETTINGS_Y(6);
9099
9100   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9101   PrintInfoText(directory_name, font2_nr, x, y);
9102 }
9103
9104 static void DrawLevelInfoLevelSet(void)
9105 {
9106   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9107   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9108   int i;
9109
9110   // draw counter gadgets
9111   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9112     MapCounterButtons(i);
9113
9114   // draw checkbutton gadgets
9115   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9116   {
9117     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9118         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9119         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9120       continue;
9121
9122     MapCheckbuttonGadget(i);
9123   }
9124
9125   // draw selectbox gadgets
9126   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9127     MapSelectboxGadget(i);
9128
9129   // draw text input gadgets
9130   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9131     MapTextInputGadget(i);
9132
9133   // draw textbutton gadgets
9134   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9135
9136   // draw info text
9137   DrawLevelInfoLevelSet_DirectoryInfo();
9138 }
9139
9140 static void DrawLevelInfoEditor(void)
9141 {
9142   int i;
9143
9144   // draw counter gadgets
9145   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9146     MapCounterButtons(i);
9147
9148   // draw checkbutton gadgets
9149   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9150     MapCheckbuttonGadget(i);
9151
9152   // draw radiobutton gadgets
9153   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9154     MapRadiobuttonGadget(i);
9155
9156   // draw drawing area
9157   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9158
9159   // draw textbutton gadgets
9160   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9161 }
9162
9163 static void DrawLevelInfoWindow(void)
9164 {
9165   char *text = "Global Settings";
9166   int font_nr = FONT_TITLE_1;
9167   struct MenuPosInfo *pos = &editor.settings.headline;
9168   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9169   int sy = SY + pos->y;
9170
9171   stick_element_properties_window = FALSE;
9172
9173   SetAutomaticNumberOfGemsNeeded();
9174
9175   UnmapLevelEditorFieldGadgets();
9176
9177   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9178   ClearField();
9179
9180   DrawText(sx, sy, text, font_nr);
9181
9182   DrawLevelInfoTabulatorGadgets();
9183
9184   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9185     DrawLevelInfoLevel();
9186   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9187     DrawLevelInfoLevelSet();
9188   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9189     DrawLevelInfoEditor();
9190 }
9191
9192 static void DrawCustomContentArea(void)
9193 {
9194   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9195   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9196   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9197   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9198   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9199   int xoffset = ED_GADGET_SPACE_DISTANCE;
9200
9201   // add distance for potential left text (without drawing area border)
9202   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9203
9204   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9205
9206   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9207 }
9208
9209 static void DrawCustomChangeContentArea(void)
9210 {
9211   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9212   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9213   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9214   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9215   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9216   int xoffset = ED_GADGET_SPACE_DISTANCE;
9217
9218   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9219
9220   MapDrawingArea(id);
9221 }
9222
9223 static void RemoveElementContentArea(int id, int font_height)
9224 {
9225   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9226
9227   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9228                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9229                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9230                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9231                  ED_GADGET_TEXT_DISTANCE + font_height);
9232 }
9233
9234 static void DrawYamYamContentAreas(void)
9235 {
9236   int font_nr = FONT_TEXT_1;
9237   int font_height = getFontHeight(font_nr);
9238   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9239   int yoffset = (tilesize - font_height) / 2;
9240   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9241   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9242   int i;
9243
9244   // display counter to choose number of element content areas
9245   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9246
9247   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9248   {
9249     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9250
9251     if (i < level.num_yamyam_contents)
9252     {
9253       MapDrawingArea(id);
9254     }
9255     else
9256     {
9257       UnmapDrawingArea(id);
9258
9259       // delete content areas in case of reducing number of them
9260       RemoveElementContentArea(id, font_height);
9261     }
9262   }
9263
9264   DrawText(x, y + 0 * tilesize, "content", font_nr);
9265   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9266   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9267 }
9268
9269 static void DrawMagicBallContentAreas(void)
9270 {
9271   int font_nr = FONT_TEXT_1;
9272   int font_height = getFontHeight(font_nr);
9273   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9274   int yoffset = (tilesize - font_height) / 2;
9275   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9276   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9277   int i;
9278
9279   // display counter to choose number of element content areas
9280   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9281
9282   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9283   {
9284     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9285
9286     if (i < level.num_ball_contents)
9287     {
9288       MapDrawingArea(id);
9289     }
9290     else
9291     {
9292       UnmapDrawingArea(id);
9293
9294       // delete content areas in case of reducing number of them
9295       RemoveElementContentArea(id, font_height);
9296     }
9297   }
9298
9299   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9300   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9301   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9302 }
9303
9304 static void DrawAndroidElementArea(int element)
9305 {
9306   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9307   int num_elements = level.num_android_clone_elements;
9308   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9309   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9310   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9311   int xsize = MAX_ANDROID_ELEMENTS;
9312   int ysize = 1;
9313
9314   // display counter to choose number of element areas
9315   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9316
9317   if (drawingarea_info[id].text_left != NULL)
9318     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9319
9320   UnmapDrawingArea(id);
9321
9322   ModifyEditorDrawingArea(id, num_elements, 1);
9323
9324   // delete content areas in case of reducing number of them
9325   DrawBackground(sx, sy,
9326                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9327                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9328
9329   MapDrawingArea(id);
9330 }
9331
9332 static void DrawGroupElementArea(int element)
9333 {
9334   int id = ED_DRAWING_ID_GROUP_CONTENT;
9335   int num_elements = group_element_info.num_elements;
9336   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9337   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9338   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9339   int xsize = MAX_ELEMENTS_IN_GROUP;
9340   int ysize = 1;
9341
9342   if (drawingarea_info[id].text_left != NULL)
9343     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9344
9345   UnmapDrawingArea(id);
9346
9347   ModifyEditorDrawingArea(id, num_elements, 1);
9348
9349   // delete content areas in case of reducing number of them
9350   DrawBackground(sx, sy,
9351                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9352                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9353
9354   MapDrawingArea(id);
9355 }
9356
9357 static void DrawPlayerInitialInventoryArea(int element)
9358 {
9359   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9360   int player_nr = GET_PLAYER_NR(element);
9361   int num_elements = level.initial_inventory_size[player_nr];
9362   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9363   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9364   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9365   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9366   int ysize = 1;
9367
9368   // determine horizontal position to the right of specified gadget
9369   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9370     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9371           ED_DRAWINGAREA_TEXT_DISTANCE);
9372
9373   // determine horizontal offset for leading text
9374   if (drawingarea_info[id].text_left != NULL)
9375     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9376
9377   UnmapDrawingArea(id);
9378
9379   ModifyEditorDrawingArea(id, num_elements, 1);
9380
9381   // delete content areas in case of reducing number of them
9382   DrawBackground(sx, sy,
9383                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9384                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9385
9386   MapDrawingArea(id);
9387 }
9388
9389 static void DrawEnvelopeTextArea(int envelope_nr)
9390 {
9391   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9392   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9393
9394   UnmapGadget(gi);
9395   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9396
9397   if (envelope_nr != -1)
9398     textarea_info[id].value = level.envelope[envelope_nr].text;
9399
9400   ModifyGadget(gi, GDI_AREA_SIZE,
9401                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9402                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9403                GDI_END);
9404
9405   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9406 }
9407
9408 static void DrawPropertiesInfo(void)
9409 {
9410   static struct
9411   {
9412     int value;
9413     char *text;
9414   }
9415   properties[] =
9416   {
9417     // configurable properties
9418
9419     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9420     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9421     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9422     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9423     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9424     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9425     { EP_PROTECTED,             "- player is protected by it"           },
9426
9427     { EP_DIGGABLE,              "- can be digged away"                  },
9428     { EP_COLLECTIBLE,           "- can be collected"                    },
9429     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9430     { EP_THROWABLE,             "- can be thrown after collecting"      },
9431     { EP_PUSHABLE,              "- can be pushed"                       },
9432
9433     { EP_CAN_FALL,              "- can fall"                            },
9434     { EP_CAN_MOVE,              "- can move"                            },
9435
9436     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9437 #if 0
9438     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9439 #endif
9440     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9441
9442     { EP_SLIPPERY,              "- slippery for falling elements"       },
9443     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9444
9445     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9446     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9447     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9448     { EP_DONT_TOUCH,            "- deadly when touching"                },
9449
9450     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9451
9452     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9453     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9454     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9455
9456     { EP_CAN_CHANGE,            "- can change to other element"         },
9457
9458     // pre-defined properties
9459     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9460     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9461     { EP_SWITCHABLE,            "- can be switched"                     },
9462 #if 0
9463     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9464 #endif
9465
9466     { -1,                       NULL                                    }
9467   };
9468   char *filename = getElementDescriptionFilename(properties_element);
9469   char *percentage_text = "In this level: ";
9470   char *properties_text = "Standard properties: ";
9471   char *description_text = "Description:";
9472   char *no_description_text = "No description available.";
9473   char *none_text = "None";
9474   float percentage;
9475   int num_elements_in_level;
9476   int num_standard_properties = 0;
9477   int font1_nr = FONT_TEXT_1;
9478   int font2_nr = FONT_TEXT_2;
9479   int font1_width = getFontWidth(font1_nr);
9480   int font1_height = getFontHeight(font1_nr);
9481   int font2_height = getFontHeight(font2_nr);
9482   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9483   int font2_yoffset = (font1_height - font2_height) / 2;
9484   int percentage_text_len = strlen(percentage_text) * font1_width;
9485   int properties_text_len = strlen(properties_text) * font1_width;
9486   int xpos = ED_ELEMENT_SETTINGS_X(0);
9487   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9488   int i, x, y;
9489
9490   if (setup.editor.show_element_token)
9491   {
9492     int font3_nr = FONT_TEXT_3;
9493     int font3_height = getFontHeight(font3_nr);
9494
9495     DrawTextF(xpos, ypos, font3_nr,
9496               "[%s]", element_info[properties_element].token_name);
9497
9498     ypos += 2 * font3_height;
9499   }
9500
9501   // ----- print number of elements / percentage of this element in level
9502
9503   num_elements_in_level = 0;
9504   for (y = 0; y < lev_fieldy; y++)
9505     for (x = 0; x < lev_fieldx; x++)
9506       if (Feld[x][y] == properties_element)
9507         num_elements_in_level++;
9508   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9509
9510   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9511
9512   if (num_elements_in_level > 0)
9513     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9514               "%d (%.2f %%)", num_elements_in_level, percentage);
9515   else
9516     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9517               none_text);
9518
9519   ypos += 2 * MAX(font1_height, font2_height);
9520
9521   // ----- print standard properties of this element
9522
9523   DrawTextS(xpos, ypos, font1_nr, properties_text);
9524
9525   ypos += line1_height;
9526
9527   for (i = 0; properties[i].value != -1; i++)
9528   {
9529     if (!HAS_PROPERTY(properties_element, properties[i].value))
9530       continue;
9531
9532     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9533
9534     ypos += font2_height;
9535
9536     num_standard_properties++;
9537   }
9538
9539   if (num_standard_properties == 0)
9540   {
9541     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9542               font2_nr, none_text);
9543
9544     ypos -= (line1_height - font1_height);
9545   }
9546
9547   ypos += MAX(font1_height, font2_height);
9548
9549   // ----- print special description of this element
9550
9551   PrintInfoText(description_text, font1_nr, xpos, ypos);
9552
9553   ypos += line1_height;
9554
9555   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9556     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9557 }
9558
9559 #define TEXT_COLLECTING         "Score for collecting"
9560 #define TEXT_SMASHING           "Score for smashing"
9561 #define TEXT_SLURPING           "Score for slurping robot"
9562 #define TEXT_CRACKING           "Score for cracking"
9563 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9564 #define TEXT_DURATION           "Duration when activated"
9565 #define TEXT_DELAY_ON           "Delay before activating"
9566 #define TEXT_DELAY_OFF          "Delay before deactivating"
9567 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9568 #define TEXT_DELAY_MOVING       "Delay before moving"
9569 #define TEXT_BALL_DELAY         "Element generation delay"
9570 #define TEXT_MOVE_SPEED         "Speed of android moving"
9571 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9572 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9573 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9574 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9575 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9576 #define TEXT_TIME_BONUS         "Extra time to solve level"
9577
9578 static struct
9579 {
9580   int element;
9581   int *value;
9582   char *text;
9583 } elements_with_counter[] =
9584 {
9585   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9586   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9587   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9588   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9589   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9590   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9591   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9592   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9593   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9594   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9595   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9596   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9597   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9598   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9599   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9600   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9601   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9602   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9603   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9604   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9605   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9606   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9607   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9608   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9609   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9610   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9611   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9612   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9613   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9614   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9615   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9616   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9617   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9618   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9619   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9620   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9621   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9622   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9623   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9624   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9625   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9626   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9627   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9628   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9629   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9630   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9631   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9632   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9633   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9634   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9635   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9636   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9637   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9638   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9639   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9640   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9641   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9642   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9643   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9644   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9645   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9646   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9647   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9648   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9649   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9650   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9651   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9652   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9653   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9654   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9655   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9656   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9657   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9658   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9659   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9660   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9661   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9662   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9663   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9664   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9665   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9666   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9667   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9668
9669   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9670   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9671   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9672   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9673   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9674   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9675   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9676   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9677   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9678   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9679   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9680   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9681   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9682   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9683   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9684   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9685
9686   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9687   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9688   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9689   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9690   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9691   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9692   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9693   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9694   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9695   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9696   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9697   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9698   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9699
9700   { -1,                 NULL,                           NULL            }
9701 };
9702
9703 static boolean checkPropertiesConfig(int element)
9704 {
9705   int i;
9706
9707   if (IS_GEM(element) ||
9708       IS_CUSTOM_ELEMENT(element) ||
9709       IS_GROUP_ELEMENT(element) ||
9710       IS_BALLOON_ELEMENT(element) ||
9711       IS_ENVELOPE(element) ||
9712       IS_MM_MCDUFFIN(element) ||
9713       IS_DF_LASER(element) ||
9714       ELEM_IS_PLAYER(element) ||
9715       HAS_EDITOR_CONTENT(element) ||
9716       CAN_GROW(element) ||
9717       COULD_MOVE_INTO_ACID(element) ||
9718       MAYBE_DONT_COLLIDE_WITH(element) ||
9719       element == EL_SOKOBAN_OBJECT ||
9720       element == EL_SOKOBAN_FIELD_EMPTY ||
9721       element == EL_SOKOBAN_FIELD_FULL)
9722     return TRUE;
9723   else
9724     for (i = 0; elements_with_counter[i].element != -1; i++)
9725       if (elements_with_counter[i].element == element)
9726         return TRUE;
9727
9728   return FALSE;
9729 }
9730
9731 static void SetAutomaticNumberOfGemsNeeded(void)
9732 {
9733   int x, y;
9734
9735   if (!level.auto_count_gems)
9736     return;
9737
9738   level.gems_needed = 0;
9739
9740   for (x = 0; x < lev_fieldx; x++)
9741   {
9742     for (y = 0; y < lev_fieldy; y++)
9743     {
9744       int element = Feld[x][y];
9745
9746       if (IS_GEM(element) ||
9747           element == EL_MM_KETTLE ||
9748           element == EL_DF_CELL)
9749         level.gems_needed++;
9750     }
9751   }
9752
9753   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9754 }
9755
9756 static void DrawPropertiesConfig(void)
9757 {
9758   boolean draw_footer_line = FALSE;
9759   int max_num_element_counters = 4;
9760   int num_element_counters = 0;
9761   int i;
9762
9763   if (!checkPropertiesConfig(properties_element))
9764   {
9765     int xpos = ED_ELEMENT_SETTINGS_X(0);
9766     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9767
9768     PrintInfoText("No configuration options available.",
9769                   FONT_TEXT_1, xpos, ypos);
9770
9771     return;
9772   }
9773
9774   // check if there are elements where a value can be chosen for
9775   for (i = 0; elements_with_counter[i].element != -1; i++)
9776   {
9777     if (elements_with_counter[i].element == properties_element)
9778     {
9779       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9780
9781       counterbutton_info[counter_id].y =
9782         ED_ELEMENT_SETTINGS_YPOS(
9783                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9784                 (CAN_GROW(properties_element)                ? 1 : 0) +
9785                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9786                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9787                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9788                 num_element_counters);
9789
9790       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9791       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9792
9793       if (properties_element == EL_GAME_OF_LIFE ||
9794           properties_element == EL_BIOMAZE)
9795       {
9796         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9797         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9798       }
9799       else
9800       {
9801         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9802         counterbutton_info[counter_id].min_value = MIN_SCORE;
9803         counterbutton_info[counter_id].max_value = MAX_SCORE;
9804       }
9805
9806       MapCounterButtons(counter_id);
9807
9808       num_element_counters++;
9809       if (num_element_counters >= max_num_element_counters)
9810         break;
9811     }
9812   }
9813
9814   if (HAS_EDITOR_CONTENT(properties_element))
9815   {
9816     // draw stickybutton gadget
9817     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9818
9819     if (IS_AMOEBOID(properties_element))
9820       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9821     else if (properties_element == EL_YAMYAM ||
9822              properties_element == EL_YAMYAM_LEFT ||
9823              properties_element == EL_YAMYAM_RIGHT ||
9824              properties_element == EL_YAMYAM_UP ||
9825              properties_element == EL_YAMYAM_DOWN)
9826       DrawYamYamContentAreas();
9827     else if (properties_element == EL_EMC_MAGIC_BALL)
9828     {
9829       DrawMagicBallContentAreas();
9830
9831       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9832       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9833     }
9834     else if (properties_element == EL_EMC_ANDROID)
9835       DrawAndroidElementArea(properties_element);
9836   }
9837
9838   if (ELEM_IS_PLAYER(properties_element))
9839   {
9840     int player_nr = GET_PLAYER_NR(properties_element);
9841
9842     // these properties can be set for every player individually
9843
9844     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9845     {
9846       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9847         &level.start_element[player_nr];
9848       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9849         &level.artwork_element[player_nr];
9850       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9851         &level.explosion_element[player_nr];
9852
9853       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9854         &level.use_start_element[player_nr];
9855       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9856         &level.use_artwork_element[player_nr];
9857       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9858         &level.use_explosion_element[player_nr];
9859       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9860         &level.initial_player_gravity[player_nr];
9861
9862       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9863         &level.initial_player_stepsize[player_nr];
9864
9865       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9866       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9867                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9868                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9869       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9870       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9871       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9872       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9873       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9874       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9875       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9876       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9877       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9878       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9879       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9880
9881       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9882       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9883       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9884
9885       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9886     }
9887     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9888     {
9889       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9890         &level.initial_inventory_content[player_nr][0];
9891
9892       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9893         &level.initial_inventory_size[player_nr];
9894
9895       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9896         &level.use_initial_inventory[player_nr];
9897
9898       // draw checkbutton gadgets
9899       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9900
9901       // draw counter gadgets
9902       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9903
9904       // draw drawing area gadgets
9905       DrawPlayerInitialInventoryArea(properties_element);
9906     }
9907   }
9908
9909   if (IS_GEM(properties_element))
9910     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9911
9912   if (properties_element == EL_EM_DYNAMITE)
9913     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9914
9915   if (COULD_MOVE_INTO_ACID(properties_element) &&
9916       !ELEM_IS_PLAYER(properties_element) &&
9917       (!IS_CUSTOM_ELEMENT(properties_element) ||
9918        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9919   {
9920     // set position for checkbutton for "can move into acid"
9921     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9922       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9923     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9924       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9925                                IS_BALLOON_ELEMENT(properties_element) ||
9926                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9927
9928     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9929   }
9930
9931   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9932     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9933
9934   if (properties_element == EL_SPRING)
9935     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9936
9937   if (properties_element == EL_TIME_ORB_FULL)
9938     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9939
9940   if (properties_element == EL_GAME_OF_LIFE ||
9941       properties_element == EL_BIOMAZE)
9942     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
9943
9944   if (CAN_GROW(properties_element))
9945   {
9946     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9947       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9948
9949     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9950   }
9951
9952   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
9953     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
9954
9955   if (properties_element == EL_SOKOBAN_OBJECT)
9956     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
9957
9958   if (properties_element == EL_SOKOBAN_OBJECT ||
9959       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9960       properties_element == EL_SOKOBAN_FIELD_FULL)
9961   {
9962     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
9963       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
9964                                0 : 1);
9965
9966     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9967   }
9968
9969   if (IS_BALLOON_ELEMENT(properties_element))
9970     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9971
9972   if (IS_ENVELOPE(properties_element))
9973   {
9974     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9975     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9976     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9977     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9978     int envelope_nr = properties_element - EL_ENVELOPE_1;
9979
9980     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9981     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9982
9983     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9984     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9985
9986     // display counter to choose size of envelope text area
9987     MapCounterButtons(counter1_id);
9988     MapCounterButtons(counter2_id);
9989
9990     // display checkbuttons to choose auto-wrap and alignment properties
9991     MapCheckbuttonGadget(button1_id);
9992     MapCheckbuttonGadget(button2_id);
9993
9994     DrawEnvelopeTextArea(envelope_nr);
9995   }
9996
9997   if (IS_MM_MCDUFFIN(properties_element))
9998   {
9999     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10000     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10001     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10002   }
10003
10004   if (IS_DF_LASER(properties_element))
10005   {
10006     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10007     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10008     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10009   }
10010
10011   if (IS_CUSTOM_ELEMENT(properties_element))
10012   {
10013     // draw stickybutton gadget
10014     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10015
10016     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10017     {
10018       // draw checkbutton gadgets
10019       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10020            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10021         MapCheckbuttonGadget(i);
10022
10023       // draw counter gadgets
10024       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10025            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10026         MapCounterButtons(i);
10027
10028       // draw selectbox gadgets
10029       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10030            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10031         MapSelectboxGadget(i);
10032
10033       // draw textbutton gadgets
10034       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10035
10036       // draw text input gadgets
10037       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10038
10039       // draw drawing area gadgets
10040       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10041
10042       draw_footer_line = TRUE;
10043     }
10044     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10045     {
10046       // draw checkbutton gadgets
10047       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10048            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10049         MapCheckbuttonGadget(i);
10050
10051       // draw counter gadgets
10052       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10053            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10054         MapCounterButtons(i);
10055
10056       // draw selectbox gadgets
10057       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10058            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10059         MapSelectboxGadget(i);
10060
10061       // draw drawing area gadgets
10062       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10063       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10064       DrawCustomContentArea();
10065     }
10066   }
10067   else if (IS_GROUP_ELEMENT(properties_element))
10068   {
10069     // draw stickybutton gadget
10070     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10071
10072     // draw checkbutton gadgets
10073     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10074     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10075
10076     // draw counter gadgets
10077     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10078
10079     // draw selectbox gadgets
10080     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10081
10082     // draw textbutton gadgets
10083     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10084
10085     // draw drawing area gadgets
10086     DrawGroupElementArea(properties_element);
10087
10088     // draw text input gadgets
10089     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10090
10091     // draw drawing area gadgets
10092     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10093
10094     draw_footer_line = TRUE;
10095   }
10096
10097   // draw little footer border line above CE/GE use/save template gadgets
10098   if (draw_footer_line)
10099   {
10100     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10101     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10102     int gd_x = gd->x + gd_gi1->border.width / 2;
10103     int gd_y = gd->y + gd_gi1->height - 1;
10104     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10105
10106     if (tab_color != BLACK_PIXEL)               // black => transparent
10107       FillRectangle(drawto,
10108                     SX + ED_ELEMENT_SETTINGS_X(0),
10109                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10110                     ED_TAB_BAR_HEIGHT,
10111                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10112   }
10113 }
10114
10115 static void DrawPropertiesChangeDrawingAreas(void)
10116 {
10117   if (IS_CUSTOM_ELEMENT(properties_element))
10118   {
10119     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10120     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10121     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10122
10123     DrawCustomChangeContentArea();
10124   }
10125
10126   redraw_mask |= REDRAW_FIELD;
10127 }
10128
10129 static void DrawPropertiesChange(void)
10130 {
10131   int i;
10132
10133   // needed to initially set selectbox options for special action options
10134   setSelectboxSpecialActionOptions();
10135
10136   // draw stickybutton gadget
10137   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10138
10139   // draw checkbutton gadgets
10140   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10141        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10142     MapCheckbuttonGadget(i);
10143
10144   // draw counter gadgets
10145   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10146        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10147     MapCounterButtons(i);
10148
10149   // draw selectbox gadgets
10150   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10151        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10152     MapSelectboxGadget(i);
10153
10154   // draw textbutton gadgets
10155   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10156        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10157     MapTextbuttonGadget(i);
10158
10159   // draw graphicbutton gadgets
10160   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10161        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10162     MapGraphicbuttonGadget(i);
10163
10164   // draw drawing area gadgets
10165   DrawPropertiesChangeDrawingAreas();
10166 }
10167
10168 static void DrawEditorElementAnimation(int x, int y)
10169 {
10170   int graphic = el2img(properties_element);
10171   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10172                custom_element.ce_value_fixed_initial :
10173                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10174                custom_element.collect_score_initial : FrameCounter);
10175
10176   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10177 }
10178
10179 static void DrawEditorElementName(int x, int y, int font_nr)
10180 {
10181   char *element_name = getElementInfoText(properties_element);
10182   int font_width = getFontWidth(font_nr);
10183   int font_height = getFontHeight(font_nr);
10184   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10185   int max_chars_per_line = max_text_width / font_width;
10186   char buffer[max_chars_per_line + 1];
10187
10188   if (strlen(element_name) <= max_chars_per_line)
10189     DrawTextS(x, y, font_nr, element_name);
10190   else
10191   {
10192     int next_pos = max_chars_per_line;
10193
10194     strncpy(buffer, element_name, max_chars_per_line);
10195     buffer[max_chars_per_line] = '\0';
10196
10197     if (element_name[max_chars_per_line] == ' ')
10198       next_pos++;
10199     else
10200     {
10201       int i;
10202
10203       for (i = max_chars_per_line - 1; i >= 0; i--)
10204         if (buffer[i] == ' ')
10205           break;
10206
10207       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10208       {
10209         buffer[i] = '\0';
10210         next_pos = i + 1;
10211       }
10212     }
10213
10214     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10215
10216     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10217     buffer[max_chars_per_line] = '\0';
10218
10219     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10220   }
10221 }
10222
10223 static void DrawPropertiesWindow(void)
10224 {
10225   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10226   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10227   int border_size = gd->border_size;
10228   int font_nr = FONT_TEXT_1;
10229   int font_height = getFontHeight(font_nr);
10230   int xoffset = TILEX + element_border + 3 * border_size;
10231   int yoffset = (TILEY - font_height) / 2;
10232   int x1 = editor.settings.element_graphic.x + element_border;
10233   int y1 = editor.settings.element_graphic.y + element_border;
10234   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10235             editor.settings.element_name.x);
10236   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10237             editor.settings.element_name.y);
10238   char *text = "Element Settings";
10239   int font2_nr = FONT_TITLE_1;
10240   struct MenuPosInfo *pos = &editor.settings.headline;
10241   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10242   int sy = SY + pos->y;
10243
10244   stick_element_properties_window = FALSE;
10245
10246   // make sure that previous properties edit mode exists for this element
10247   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10248       !IS_CUSTOM_ELEMENT(properties_element))
10249     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10250
10251   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10252       !ELEM_IS_PLAYER(properties_element) &&
10253       !IS_CUSTOM_ELEMENT(properties_element))
10254     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10255
10256   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10257       (ELEM_IS_PLAYER(properties_element) ||
10258        IS_CUSTOM_ELEMENT(properties_element)))
10259     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10260
10261   CopyElementPropertiesToEditor(properties_element);
10262
10263   UnmapLevelEditorFieldGadgets();
10264   UnmapLevelEditorToolboxDrawingGadgets();
10265   UnmapLevelEditorToolboxCustomGadgets();
10266
10267   if (IS_CUSTOM_ELEMENT(properties_element) ||
10268       IS_GROUP_ELEMENT(properties_element))
10269     MapLevelEditorToolboxCustomGadgets();
10270
10271   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10272   ClearField();
10273
10274   DrawText(sx, sy, text, font2_nr);
10275
10276   FrameCounter = 0;     // restart animation frame counter
10277
10278   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10279   DrawEditorElementAnimation(SX + x1, SY + y1);
10280   DrawEditorElementName(x2, y2, font_nr);
10281
10282   DrawPropertiesTabulatorGadgets();
10283
10284   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10285     DrawPropertiesInfo();
10286   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10287     DrawPropertiesChange();
10288   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10289     DrawPropertiesConfig();
10290 }
10291
10292 static void DrawPaletteWindow(void)
10293 {
10294   int i;
10295
10296   UnmapLevelEditorFieldGadgets();
10297
10298   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10299   ClearField();
10300
10301   // map buttons to select elements
10302   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10303     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10304   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10305   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10306   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10307 }
10308
10309 static void UpdateCustomElementGraphicGadgets(void)
10310 {
10311   int i;
10312
10313   InitElementPropertiesGfxElement();
10314
10315   ModifyEditorElementList();
10316   RedrawDrawingElements();
10317
10318   // force redraw of all mapped drawing area gadgets
10319   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10320   {
10321     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10322
10323     if (gi->mapped)
10324       MapDrawingArea(i);
10325   }
10326 }
10327
10328 static int getOpenDirectionFromTube(int element)
10329 {
10330   switch (element)
10331   {
10332     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10333     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10334     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10335     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10336     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10337     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10338     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10339     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10340     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10341     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10342     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10343   }
10344
10345   return MV_NONE;
10346 }
10347
10348 static int getTubeFromOpenDirection(int direction)
10349 {
10350   switch (direction)
10351   {
10352     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10353     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10354     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10355     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10356     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10357     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10358     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10359     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10360     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10361     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10362     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10363
10364     // if only one direction, fall back to simple tube with that direction
10365     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10366     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10367     case (MV_UP):                       return EL_TUBE_VERTICAL;
10368     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10369   }
10370
10371   return EL_EMPTY;
10372 }
10373
10374 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10375 {
10376   int element_new = getTubeFromOpenDirection(direction);
10377
10378   return (element_new != EL_EMPTY ? element_new : element_old);
10379 }
10380
10381 static int getOpenDirectionFromBelt(int element)
10382 {
10383   int belt_dir = getBeltDirFromBeltElement(element);
10384
10385   return (belt_dir == MV_LEFT ? MV_RIGHT :
10386           belt_dir == MV_RIGHT ? MV_LEFT :
10387           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10388 }
10389
10390 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10391 {
10392   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10393                   direction == MV_RIGHT ? MV_LEFT :
10394                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10395
10396   if (direction == MV_NONE)
10397     return EL_EMPTY;
10398
10399   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10400 }
10401
10402 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10403                                                  int element_old)
10404 {
10405   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10406
10407   return (element_new != EL_EMPTY ? element_new : element_old);
10408 }
10409
10410 static int getOpenDirectionFromPool(int element)
10411 {
10412   switch (element)
10413   {
10414     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10415     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10416     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10417     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10418     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10419     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10420   }
10421
10422   return MV_NONE;
10423 }
10424
10425 static int getPoolFromOpenDirection(int direction)
10426 {
10427   switch (direction)
10428   {
10429     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10430     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10431     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10432     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10433     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10434     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10435   }
10436
10437   return EL_EMPTY;
10438 }
10439
10440 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10441 {
10442   int element = getPoolFromOpenDirection(direction);
10443   int help_direction = getOpenDirectionFromPool(help_element);
10444
10445   if (element == EL_EMPTY)
10446   {
10447     int help_direction_vertical = help_direction & MV_VERTICAL;
10448
10449     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10450   }
10451
10452   if (element == EL_EMPTY)
10453   {
10454     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10455
10456     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10457   }
10458
10459   return element;
10460 }
10461
10462 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10463 {
10464   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10465
10466   return (element_new != EL_EMPTY ? element_new : element_old);
10467 }
10468
10469 static int getOpenDirectionFromPillar(int element)
10470 {
10471   switch (element)
10472   {
10473     case EL_EMC_WALL_1:                 return (MV_DOWN);
10474     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10475     case EL_EMC_WALL_3:                 return (MV_UP);
10476   }
10477
10478   return MV_NONE;
10479 }
10480
10481 static int getPillarFromOpenDirection(int direction)
10482 {
10483   switch (direction)
10484   {
10485     case (MV_DOWN):                     return EL_EMC_WALL_1;
10486     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10487     case (MV_UP):                       return EL_EMC_WALL_3;
10488   }
10489
10490   return EL_EMPTY;
10491 }
10492
10493 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10494 {
10495   int element_new = getPillarFromOpenDirection(direction);
10496
10497   return (element_new != EL_EMPTY ? element_new : element_old);
10498 }
10499
10500 static int getOpenDirectionFromSteel2(int element)
10501 {
10502   switch (element)
10503   {
10504     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10505     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10506     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10507     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10508     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10509     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10510     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10511     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10512   }
10513
10514   return MV_NONE;
10515 }
10516
10517 static int getSteel2FromOpenDirection(int direction)
10518 {
10519   switch (direction)
10520   {
10521     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10522     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10523     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10524     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10525     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10526     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10527     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10528     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10529   }
10530
10531   return EL_EMPTY;
10532 }
10533
10534 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10535 {
10536   int element_new = getSteel2FromOpenDirection(direction);
10537
10538   return (element_new != EL_EMPTY ? element_new : element_old);
10539 }
10540
10541 static int getOpenDirectionFromChip(int element)
10542 {
10543   switch (element)
10544   {
10545     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10546     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10547     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10548     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10549     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10550   }
10551
10552   return MV_NONE;
10553 }
10554
10555 static int getChipFromOpenDirection(int direction)
10556 {
10557   switch (direction)
10558   {
10559     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10560     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10561     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10562     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10563     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10564   }
10565
10566   return EL_EMPTY;
10567 }
10568
10569 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10570 {
10571   int element_new = getChipFromOpenDirection(direction);
10572
10573   return (element_new != EL_EMPTY ? element_new : element_old);
10574 }
10575
10576 static int getClosedTube(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 direction_old = getOpenDirectionFromTube(element_old);
10587   int direction_new = MV_NONE;
10588   int i;
10589
10590   for (i = 0; i < NUM_DIRECTIONS; i++)
10591   {
10592     int xx = x + xy[i][0];
10593     int yy = y + xy[i][1];
10594     int dir = MV_DIR_FROM_BIT(i);
10595     int dir_opposite = MV_DIR_OPPOSITE(dir);
10596
10597     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10598         (direction_old & dir) &&
10599         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10600       direction_new |= dir;
10601   }
10602
10603   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10604 }
10605
10606 static int getClosedBelt(int x, int y)
10607 {
10608   static int xy[4][2] =
10609   {
10610     { -1, 0 },
10611     { +1, 0 },
10612     { 0, -1 },
10613     { 0, +1 }
10614   };
10615   int element_old = IntelliDrawBuffer[x][y];
10616   int nr = getBeltNrFromBeltElement(element_old);
10617   int direction_old = getOpenDirectionFromBelt(element_old);
10618   int direction_new = MV_NONE;
10619   int i;
10620
10621   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; 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) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10629         (direction_old & dir) &&
10630         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10631       direction_new |= dir;
10632   }
10633
10634   return getBeltFromNrAndOpenDirection(nr, direction_new);
10635 }
10636
10637 static int getClosedPool(int x, int y)
10638 {
10639   static int xy[4][2] =
10640   {
10641     { -1, 0 },
10642     { +1, 0 },
10643     { 0, -1 },
10644     { 0, +1 }
10645   };
10646   int element_old = IntelliDrawBuffer[x][y];
10647   int direction_old = getOpenDirectionFromPool(element_old);
10648   int direction_new = MV_NONE;
10649   int i;
10650
10651   for (i = 0; i < NUM_DIRECTIONS; i++)
10652   {
10653     int xx = x + xy[i][0];
10654     int yy = y + xy[i][1];
10655     int dir = MV_DIR_FROM_BIT(i);
10656     int dir_opposite = MV_DIR_OPPOSITE(dir);
10657
10658     if (IN_LEV_FIELD(xx, yy) &&
10659         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10660         (direction_old & dir) &&
10661         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10662       direction_new |= dir;
10663   }
10664
10665   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10666 }
10667
10668 static int getClosedPillar(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 = getOpenDirectionFromPillar(element_old);
10679   int direction_new = MV_NONE;
10680   int i;
10681
10682   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; 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_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10690         (direction_old & dir) &&
10691         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10692       direction_new |= dir;
10693   }
10694
10695   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10696 }
10697
10698 static int getClosedSteel2(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 = getOpenDirectionFromSteel2(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_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10720         (direction_old & dir) &&
10721         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10722       direction_new |= dir;
10723   }
10724
10725   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10726 }
10727
10728 static int getClosedChip(int x, int y)
10729 {
10730   static int xy[4][2] =
10731   {
10732     { -1, 0 },
10733     { +1, 0 },
10734     { 0, -1 },
10735     { 0, +1 }
10736   };
10737   int element_old = IntelliDrawBuffer[x][y];
10738   int direction_old = getOpenDirectionFromChip(element_old);
10739   int direction_new = MV_NONE;
10740   int i;
10741
10742   for (i = 0; i < NUM_DIRECTIONS; i++)
10743   {
10744     int xx = x + xy[i][0];
10745     int yy = y + xy[i][1];
10746     int dir = MV_DIR_FROM_BIT(i);
10747     int dir_opposite = MV_DIR_OPPOSITE(dir);
10748
10749     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10750         (direction_old & dir) &&
10751         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10752       direction_new |= dir;
10753   }
10754
10755   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10756 }
10757
10758 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10759                                 boolean change_level)
10760 {
10761   int sx = x - level_xpos;
10762   int sy = y - level_ypos;
10763   int old_element = Feld[x][y];
10764   int new_element = element;
10765   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10766   boolean draw_masked = FALSE;
10767
10768   if (IS_MM_WALL_EDITOR(element))
10769   {
10770     element = map_mm_wall_element_editor(element) | new_bitmask;
10771
10772     if (IS_MM_WALL(old_element))
10773       element |= MM_WALL_BITS(old_element);
10774
10775     if (!change_level)
10776       draw_masked = TRUE;
10777   }
10778   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10779   {
10780     int element_changed = old_element & ~new_bitmask;
10781
10782     if (MM_WALL_BITS(element_changed) != 0)
10783       element = element_changed;
10784   }
10785
10786   IntelliDrawBuffer[x][y] = element;
10787
10788   if (change_level)
10789     Feld[x][y] = element;
10790
10791   if (IN_ED_FIELD(sx, sy))
10792   {
10793     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10794       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10795     else if (draw_masked)
10796       DrawEditorElementThruMask(sx, sy, element);
10797     else
10798       DrawEditorElement(sx, sy, element);
10799   }
10800 }
10801
10802 static void SetElementSimple(int x, int y, int element, boolean change_level)
10803 {
10804   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10805 }
10806
10807 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10808                                            int x2, int y2, int *element2,
10809                                            int (*close_function)(int, int),
10810                                            boolean change_level)
10811 {
10812   // set neighbour elements to newly determined connections
10813   SetElementSimple(x1, y1, *element1, change_level);
10814   SetElementSimple(x2, y2, *element2, change_level);
10815
10816   // remove all open connections of neighbour elements
10817   *element1 = close_function(x1, y1);
10818   *element2 = close_function(x2, y2);
10819
10820   // set neighbour elements to new, minimized connections
10821   SetElementSimple(x1, y1, *element1, change_level);
10822   SetElementSimple(x2, y2, *element2, change_level);
10823 }
10824
10825 static void SetElementIntelliDraw(int x, int y, int new_element,
10826                                   boolean change_level, int button)
10827 {
10828   static int xy[4][2] =
10829   {
10830     { -1, 0 },
10831     { +1, 0 },
10832     { 0, -1 },
10833     { 0, +1 }
10834   };
10835   static int last_x = -1;
10836   static int last_y = -1;
10837   int old_element = IntelliDrawBuffer[x][y];
10838
10839   if (new_element == EL_UNDEFINED)
10840   {
10841     last_x = -1;
10842     last_y = -1;
10843
10844     return;
10845   }
10846
10847   if (IS_TUBE(new_element))
10848   {
10849     int last_element_new = EL_UNDEFINED;
10850     int direction = MV_NONE;
10851     int i;
10852
10853     // if old element is of same kind, keep all existing directions
10854     if (IS_TUBE(old_element))
10855       direction |= getOpenDirectionFromTube(old_element);
10856
10857     for (i = 0; i < NUM_DIRECTIONS; i++)
10858     {
10859       int xx = x + xy[i][0];
10860       int yy = y + xy[i][1];
10861
10862       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10863           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10864       {
10865         int dir = MV_DIR_FROM_BIT(i);
10866         int dir_opposite = MV_DIR_OPPOSITE(dir);
10867         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10868         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10869         int last_direction_new = last_direction_old | dir_opposite;
10870
10871         last_element_new = getTubeFromOpenDirection(last_direction_new);
10872
10873         direction |= dir;
10874       }
10875     }
10876
10877     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10878
10879     if (last_element_new != EL_UNDEFINED)
10880       MergeAndCloseNeighbourElements(x, y, &new_element,
10881                                      last_x, last_y, &last_element_new,
10882                                      getClosedTube, change_level);
10883   }
10884   else if (IS_BELT(new_element))
10885   {
10886     int belt_nr = getBeltNrFromBeltElement(new_element);
10887     int last_element_new = EL_UNDEFINED;
10888     int direction = MV_NONE;
10889     int i;
10890
10891     // if old element is of same kind, keep all existing directions
10892     if (IS_BELT(old_element))
10893       direction |= getOpenDirectionFromBelt(old_element);
10894
10895     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10896     {
10897       int xx = x + xy[i][0];
10898       int yy = y + xy[i][1];
10899
10900       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10901           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10902       {
10903         int dir = MV_DIR_FROM_BIT(i);
10904         int dir_opposite = MV_DIR_OPPOSITE(dir);
10905         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10906         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10907         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10908         int last_direction_new = last_direction_old | dir_opposite;
10909
10910         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10911                                                          last_direction_new);
10912         direction |= dir;
10913       }
10914     }
10915
10916     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10917                                                         new_element);
10918     if (last_element_new != EL_UNDEFINED)
10919       MergeAndCloseNeighbourElements(x, y, &new_element,
10920                                      last_x, last_y, &last_element_new,
10921                                      getClosedBelt, change_level);
10922   }
10923   else if (IS_ACID_POOL_OR_ACID(new_element))
10924   {
10925     int last_element_new = EL_UNDEFINED;
10926     int direction = MV_NONE;
10927     int i;
10928
10929     // if old element is of same kind, keep all existing directions
10930     if (IS_ACID_POOL_OR_ACID(old_element))
10931       direction |= getOpenDirectionFromPool(old_element);
10932
10933     for (i = 0; i < NUM_DIRECTIONS; i++)
10934     {
10935       int xx = x + xy[i][0];
10936       int yy = y + xy[i][1];
10937
10938       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10939           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10940       {
10941         int dir = MV_DIR_FROM_BIT(i);
10942         int dir_opposite = MV_DIR_OPPOSITE(dir);
10943         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10944         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10945         int last_direction_new = last_direction_old | dir_opposite;
10946
10947         last_element_new = getPoolFromOpenDirection(last_direction_new);
10948
10949         direction |= dir;
10950       }
10951     }
10952
10953     // special corrections needed for intuitively correct acid pool drawing
10954     if (last_element_new == EL_EMPTY)
10955       last_element_new = new_element;
10956     else if (last_element_new != EL_UNDEFINED)
10957       new_element = last_element_new;
10958
10959     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10960
10961     if (last_element_new != EL_UNDEFINED)
10962       MergeAndCloseNeighbourElements(x, y, &new_element,
10963                                      last_x, last_y, &last_element_new,
10964                                      getClosedPool, change_level);
10965   }
10966   else if (IS_EMC_PILLAR(new_element))
10967   {
10968     int last_element_new = EL_UNDEFINED;
10969     int direction = MV_NONE;
10970     int i;
10971
10972     // if old element is of same kind, keep all existing directions
10973     if (IS_EMC_PILLAR(old_element))
10974       direction |= getOpenDirectionFromPillar(old_element);
10975
10976     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10977     {
10978       int xx = x + xy[i][0];
10979       int yy = y + xy[i][1];
10980
10981       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10982           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10983       {
10984         int dir = MV_DIR_FROM_BIT(i);
10985         int dir_opposite = MV_DIR_OPPOSITE(dir);
10986         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10987         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10988         int last_direction_new = last_direction_old | dir_opposite;
10989
10990         last_element_new = getPillarFromOpenDirection(last_direction_new);
10991
10992         direction |= dir;
10993       }
10994     }
10995
10996     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10997
10998     if (last_element_new != EL_UNDEFINED)
10999       MergeAndCloseNeighbourElements(x, y, &new_element,
11000                                      last_x, last_y, &last_element_new,
11001                                      getClosedPillar, change_level);
11002   }
11003   else if (IS_DC_STEELWALL_2(new_element))
11004   {
11005     int last_element_new = EL_UNDEFINED;
11006     int direction = MV_NONE;
11007     int i;
11008
11009     // if old element is of same kind, keep all existing directions
11010     if (IS_DC_STEELWALL_2(old_element))
11011       direction |= getOpenDirectionFromSteel2(old_element);
11012
11013     for (i = 0; i < NUM_DIRECTIONS; i++)
11014     {
11015       int xx = x + xy[i][0];
11016       int yy = y + xy[i][1];
11017
11018       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11019           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11020       {
11021         int dir = MV_DIR_FROM_BIT(i);
11022         int dir_opposite = MV_DIR_OPPOSITE(dir);
11023         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11024         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11025         int last_direction_new = last_direction_old | dir_opposite;
11026
11027         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11028
11029         direction |= dir;
11030       }
11031     }
11032
11033     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11034
11035     if (last_element_new != EL_UNDEFINED)
11036       MergeAndCloseNeighbourElements(x, y, &new_element,
11037                                      last_x, last_y, &last_element_new,
11038                                      getClosedSteel2, change_level);
11039   }
11040   else if (IS_SP_CHIP(new_element))
11041   {
11042     int last_element_new = EL_UNDEFINED;
11043     int direction = MV_NONE;
11044     int i;
11045
11046     // (do not keep existing directions, regardless of kind of old element)
11047
11048     for (i = 0; i < NUM_DIRECTIONS; i++)
11049     {
11050       int xx = x + xy[i][0];
11051       int yy = y + xy[i][1];
11052
11053       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11054           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11055       {
11056         int dir = MV_DIR_FROM_BIT(i);
11057         int dir_opposite = MV_DIR_OPPOSITE(dir);
11058         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11059         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11060         int last_direction_new = last_direction_old | dir_opposite;
11061
11062         if (last_direction_old == MV_NONE)
11063         {
11064           last_element_new = getChipFromOpenDirection(last_direction_new);
11065           direction |= dir;
11066         }
11067         else if (last_direction_old & (dir | dir_opposite))
11068         {
11069           direction |= MV_DIR_OPPOSITE(last_direction_old);
11070         }
11071         else
11072         {
11073           direction |= MV_DIR_OPPOSITE(dir);
11074         }
11075       }
11076     }
11077
11078     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11079
11080     if (last_element_new != EL_UNDEFINED)
11081       MergeAndCloseNeighbourElements(x, y, &new_element,
11082                                      last_x, last_y, &last_element_new,
11083                                      getClosedChip, change_level);
11084   }
11085   else if (IS_SP_HARDWARE_BASE(new_element))
11086   {
11087     int nr = GetSimpleRandom(6);
11088
11089     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11090                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11091                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11092                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11093                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11094   }
11095   else if (new_element == EL_SP_HARDWARE_GREEN ||
11096            new_element == EL_SP_HARDWARE_BLUE ||
11097            new_element == EL_SP_HARDWARE_RED)
11098   {
11099     int nr = GetSimpleRandom(3);
11100
11101     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11102                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11103   }
11104   else if (IS_GROUP_ELEMENT(new_element))
11105   {
11106     boolean connected_drawing = FALSE;
11107     int i;
11108
11109     for (i = 0; i < NUM_DIRECTIONS; i++)
11110     {
11111       int xx = x + xy[i][0];
11112       int yy = y + xy[i][1];
11113
11114       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11115           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11116         connected_drawing = TRUE;
11117     }
11118
11119     if (!connected_drawing)
11120       ResolveGroupElement(new_element);
11121
11122     new_element = GetElementFromGroupElement(new_element);
11123   }
11124   else if (IS_BELT_SWITCH(old_element))
11125   {
11126     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11127     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11128
11129     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11130                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11131
11132     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11133   }
11134   else
11135   {
11136     static int swappable_elements[][2] =
11137     {
11138       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11139       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11140       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11141       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11142       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11143       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11144       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11145       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11146       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11147       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11148       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11149       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11150       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11151       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11152       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11153       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11154       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11155       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11156       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11157       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11158       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11159       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11160       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11161       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11162       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11163       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11164       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11165       { EL_PEARL,                       EL_WALL_PEARL                   },
11166       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11167       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11168       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11169       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11170       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11171       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11172       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11173       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11174       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11175       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11176       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11177       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11178       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11179       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11180       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11181       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11182
11183       { -1,                             -1                              },
11184     };
11185     static int rotatable_elements_4[][4] =
11186     {
11187       {
11188         EL_BUG_UP,
11189         EL_BUG_RIGHT,
11190         EL_BUG_DOWN,
11191         EL_BUG_LEFT
11192       },
11193       {
11194         EL_SPACESHIP_UP,
11195         EL_SPACESHIP_RIGHT,
11196         EL_SPACESHIP_DOWN,
11197         EL_SPACESHIP_LEFT
11198       },
11199       {
11200         EL_BD_BUTTERFLY_UP,
11201         EL_BD_BUTTERFLY_RIGHT,
11202         EL_BD_BUTTERFLY_DOWN,
11203         EL_BD_BUTTERFLY_LEFT
11204       },
11205       {
11206         EL_BD_FIREFLY_UP,
11207         EL_BD_FIREFLY_RIGHT,
11208         EL_BD_FIREFLY_DOWN,
11209         EL_BD_FIREFLY_LEFT
11210       },
11211       {
11212         EL_PACMAN_UP,
11213         EL_PACMAN_RIGHT,
11214         EL_PACMAN_DOWN,
11215         EL_PACMAN_LEFT
11216       },
11217       {
11218         EL_YAMYAM_UP,
11219         EL_YAMYAM_RIGHT,
11220         EL_YAMYAM_DOWN,
11221         EL_YAMYAM_LEFT
11222       },
11223       {
11224         EL_ARROW_UP,
11225         EL_ARROW_RIGHT,
11226         EL_ARROW_DOWN,
11227         EL_ARROW_LEFT
11228       },
11229       {
11230         EL_SP_PORT_UP,
11231         EL_SP_PORT_RIGHT,
11232         EL_SP_PORT_DOWN,
11233         EL_SP_PORT_LEFT
11234       },
11235       {
11236         EL_SP_GRAVITY_PORT_UP,
11237         EL_SP_GRAVITY_PORT_RIGHT,
11238         EL_SP_GRAVITY_PORT_DOWN,
11239         EL_SP_GRAVITY_PORT_LEFT
11240       },
11241       {
11242         EL_SP_GRAVITY_ON_PORT_UP,
11243         EL_SP_GRAVITY_ON_PORT_RIGHT,
11244         EL_SP_GRAVITY_ON_PORT_DOWN,
11245         EL_SP_GRAVITY_ON_PORT_LEFT
11246       },
11247       {
11248         EL_SP_GRAVITY_OFF_PORT_UP,
11249         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11250         EL_SP_GRAVITY_OFF_PORT_DOWN,
11251         EL_SP_GRAVITY_OFF_PORT_LEFT
11252       },
11253       {
11254         EL_MOLE_UP,
11255         EL_MOLE_RIGHT,
11256         EL_MOLE_DOWN,
11257         EL_MOLE_LEFT
11258       },
11259       {
11260         EL_BALLOON_SWITCH_UP,
11261         EL_BALLOON_SWITCH_RIGHT,
11262         EL_BALLOON_SWITCH_DOWN,
11263         EL_BALLOON_SWITCH_LEFT
11264       },
11265       {
11266         EL_MM_MCDUFFIN_UP,
11267         EL_MM_MCDUFFIN_RIGHT,
11268         EL_MM_MCDUFFIN_DOWN,
11269         EL_MM_MCDUFFIN_LEFT
11270       },
11271       {
11272         EL_MM_MIRROR_FIXED_1,
11273         EL_MM_MIRROR_FIXED_4,
11274         EL_MM_MIRROR_FIXED_3,
11275         EL_MM_MIRROR_FIXED_2
11276       },
11277       {
11278         EL_MM_STEEL_GRID_FIXED_1,
11279         EL_MM_STEEL_GRID_FIXED_4,
11280         EL_MM_STEEL_GRID_FIXED_2,
11281         EL_MM_STEEL_GRID_FIXED_3
11282       },
11283       {
11284         EL_MM_WOODEN_GRID_FIXED_1,
11285         EL_MM_WOODEN_GRID_FIXED_4,
11286         EL_MM_WOODEN_GRID_FIXED_2,
11287         EL_MM_WOODEN_GRID_FIXED_3
11288       },
11289       {
11290         EL_MM_POLARIZER_CROSS_1,
11291         EL_MM_POLARIZER_CROSS_4,
11292         EL_MM_POLARIZER_CROSS_3,
11293         EL_MM_POLARIZER_CROSS_2
11294       },
11295       {
11296         EL_MM_PACMAN_UP,
11297         EL_MM_PACMAN_RIGHT,
11298         EL_MM_PACMAN_DOWN,
11299         EL_MM_PACMAN_LEFT
11300       },
11301       {
11302         EL_DF_LASER_UP,
11303         EL_DF_LASER_RIGHT,
11304         EL_DF_LASER_DOWN,
11305         EL_DF_LASER_LEFT
11306       },
11307       {
11308         EL_DF_RECEIVER_UP,
11309         EL_DF_RECEIVER_RIGHT,
11310         EL_DF_RECEIVER_DOWN,
11311         EL_DF_RECEIVER_LEFT
11312       },
11313
11314       {
11315         -1,
11316       },
11317     };
11318     static int rotatable_elements_8[][8] =
11319     {
11320       {
11321         EL_DF_STEEL_GRID_FIXED_1,
11322         EL_DF_STEEL_GRID_FIXED_8,
11323         EL_DF_STEEL_GRID_FIXED_7,
11324         EL_DF_STEEL_GRID_FIXED_6,
11325         EL_DF_STEEL_GRID_FIXED_5,
11326         EL_DF_STEEL_GRID_FIXED_4,
11327         EL_DF_STEEL_GRID_FIXED_3,
11328         EL_DF_STEEL_GRID_FIXED_2
11329       },
11330       {
11331         EL_DF_WOODEN_GRID_FIXED_1,
11332         EL_DF_WOODEN_GRID_FIXED_8,
11333         EL_DF_WOODEN_GRID_FIXED_7,
11334         EL_DF_WOODEN_GRID_FIXED_6,
11335         EL_DF_WOODEN_GRID_FIXED_5,
11336         EL_DF_WOODEN_GRID_FIXED_4,
11337         EL_DF_WOODEN_GRID_FIXED_3,
11338         EL_DF_WOODEN_GRID_FIXED_2
11339       },
11340       {
11341         EL_DF_STEEL_GRID_ROTATING_1,
11342         EL_DF_STEEL_GRID_ROTATING_8,
11343         EL_DF_STEEL_GRID_ROTATING_7,
11344         EL_DF_STEEL_GRID_ROTATING_6,
11345         EL_DF_STEEL_GRID_ROTATING_5,
11346         EL_DF_STEEL_GRID_ROTATING_4,
11347         EL_DF_STEEL_GRID_ROTATING_3,
11348         EL_DF_STEEL_GRID_ROTATING_2
11349       },
11350       {
11351         EL_DF_WOODEN_GRID_ROTATING_1,
11352         EL_DF_WOODEN_GRID_ROTATING_8,
11353         EL_DF_WOODEN_GRID_ROTATING_7,
11354         EL_DF_WOODEN_GRID_ROTATING_6,
11355         EL_DF_WOODEN_GRID_ROTATING_5,
11356         EL_DF_WOODEN_GRID_ROTATING_4,
11357         EL_DF_WOODEN_GRID_ROTATING_3,
11358         EL_DF_WOODEN_GRID_ROTATING_2
11359       },
11360
11361       {
11362         -1,
11363       },
11364     };
11365     static int rotatable_elements_16[][16] =
11366     {
11367       {
11368         EL_MM_MIRROR_1,
11369         EL_MM_MIRROR_16,
11370         EL_MM_MIRROR_15,
11371         EL_MM_MIRROR_14,
11372         EL_MM_MIRROR_13,
11373         EL_MM_MIRROR_12,
11374         EL_MM_MIRROR_11,
11375         EL_MM_MIRROR_10,
11376         EL_MM_MIRROR_9,
11377         EL_MM_MIRROR_8,
11378         EL_MM_MIRROR_7,
11379         EL_MM_MIRROR_6,
11380         EL_MM_MIRROR_5,
11381         EL_MM_MIRROR_4,
11382         EL_MM_MIRROR_3,
11383         EL_MM_MIRROR_2
11384       },
11385       {
11386         EL_MM_TELEPORTER_5,
11387         EL_MM_TELEPORTER_4,
11388         EL_MM_TELEPORTER_3,
11389         EL_MM_TELEPORTER_2,
11390         EL_MM_TELEPORTER_1,
11391         EL_MM_TELEPORTER_16,
11392         EL_MM_TELEPORTER_15,
11393         EL_MM_TELEPORTER_14,
11394         EL_MM_TELEPORTER_13,
11395         EL_MM_TELEPORTER_12,
11396         EL_MM_TELEPORTER_11,
11397         EL_MM_TELEPORTER_10,
11398         EL_MM_TELEPORTER_9,
11399         EL_MM_TELEPORTER_8,
11400         EL_MM_TELEPORTER_7,
11401         EL_MM_TELEPORTER_6
11402       },
11403       {
11404         EL_MM_TELEPORTER_RED_5,
11405         EL_MM_TELEPORTER_RED_4,
11406         EL_MM_TELEPORTER_RED_3,
11407         EL_MM_TELEPORTER_RED_2,
11408         EL_MM_TELEPORTER_RED_1,
11409         EL_MM_TELEPORTER_RED_16,
11410         EL_MM_TELEPORTER_RED_15,
11411         EL_MM_TELEPORTER_RED_14,
11412         EL_MM_TELEPORTER_RED_13,
11413         EL_MM_TELEPORTER_RED_12,
11414         EL_MM_TELEPORTER_RED_11,
11415         EL_MM_TELEPORTER_RED_10,
11416         EL_MM_TELEPORTER_RED_9,
11417         EL_MM_TELEPORTER_RED_8,
11418         EL_MM_TELEPORTER_RED_7,
11419         EL_MM_TELEPORTER_RED_6
11420       },
11421       {
11422         EL_MM_TELEPORTER_YELLOW_5,
11423         EL_MM_TELEPORTER_YELLOW_4,
11424         EL_MM_TELEPORTER_YELLOW_3,
11425         EL_MM_TELEPORTER_YELLOW_2,
11426         EL_MM_TELEPORTER_YELLOW_1,
11427         EL_MM_TELEPORTER_YELLOW_16,
11428         EL_MM_TELEPORTER_YELLOW_15,
11429         EL_MM_TELEPORTER_YELLOW_14,
11430         EL_MM_TELEPORTER_YELLOW_13,
11431         EL_MM_TELEPORTER_YELLOW_12,
11432         EL_MM_TELEPORTER_YELLOW_11,
11433         EL_MM_TELEPORTER_YELLOW_10,
11434         EL_MM_TELEPORTER_YELLOW_9,
11435         EL_MM_TELEPORTER_YELLOW_8,
11436         EL_MM_TELEPORTER_YELLOW_7,
11437         EL_MM_TELEPORTER_YELLOW_6
11438       },
11439       {
11440         EL_MM_TELEPORTER_GREEN_5,
11441         EL_MM_TELEPORTER_GREEN_4,
11442         EL_MM_TELEPORTER_GREEN_3,
11443         EL_MM_TELEPORTER_GREEN_2,
11444         EL_MM_TELEPORTER_GREEN_1,
11445         EL_MM_TELEPORTER_GREEN_16,
11446         EL_MM_TELEPORTER_GREEN_15,
11447         EL_MM_TELEPORTER_GREEN_14,
11448         EL_MM_TELEPORTER_GREEN_13,
11449         EL_MM_TELEPORTER_GREEN_12,
11450         EL_MM_TELEPORTER_GREEN_11,
11451         EL_MM_TELEPORTER_GREEN_10,
11452         EL_MM_TELEPORTER_GREEN_9,
11453         EL_MM_TELEPORTER_GREEN_8,
11454         EL_MM_TELEPORTER_GREEN_7,
11455         EL_MM_TELEPORTER_GREEN_6
11456       },
11457       {
11458         EL_MM_TELEPORTER_BLUE_5,
11459         EL_MM_TELEPORTER_BLUE_4,
11460         EL_MM_TELEPORTER_BLUE_3,
11461         EL_MM_TELEPORTER_BLUE_2,
11462         EL_MM_TELEPORTER_BLUE_1,
11463         EL_MM_TELEPORTER_BLUE_16,
11464         EL_MM_TELEPORTER_BLUE_15,
11465         EL_MM_TELEPORTER_BLUE_14,
11466         EL_MM_TELEPORTER_BLUE_13,
11467         EL_MM_TELEPORTER_BLUE_12,
11468         EL_MM_TELEPORTER_BLUE_11,
11469         EL_MM_TELEPORTER_BLUE_10,
11470         EL_MM_TELEPORTER_BLUE_9,
11471         EL_MM_TELEPORTER_BLUE_8,
11472         EL_MM_TELEPORTER_BLUE_7,
11473         EL_MM_TELEPORTER_BLUE_6
11474       },
11475       {
11476         EL_MM_POLARIZER_1,
11477         EL_MM_POLARIZER_16,
11478         EL_MM_POLARIZER_15,
11479         EL_MM_POLARIZER_14,
11480         EL_MM_POLARIZER_13,
11481         EL_MM_POLARIZER_12,
11482         EL_MM_POLARIZER_11,
11483         EL_MM_POLARIZER_10,
11484         EL_MM_POLARIZER_9,
11485         EL_MM_POLARIZER_8,
11486         EL_MM_POLARIZER_7,
11487         EL_MM_POLARIZER_6,
11488         EL_MM_POLARIZER_5,
11489         EL_MM_POLARIZER_4,
11490         EL_MM_POLARIZER_3,
11491         EL_MM_POLARIZER_2
11492       },
11493       {
11494         EL_DF_MIRROR_1,
11495         EL_DF_MIRROR_16,
11496         EL_DF_MIRROR_15,
11497         EL_DF_MIRROR_14,
11498         EL_DF_MIRROR_13,
11499         EL_DF_MIRROR_12,
11500         EL_DF_MIRROR_11,
11501         EL_DF_MIRROR_10,
11502         EL_DF_MIRROR_9,
11503         EL_DF_MIRROR_8,
11504         EL_DF_MIRROR_7,
11505         EL_DF_MIRROR_6,
11506         EL_DF_MIRROR_5,
11507         EL_DF_MIRROR_4,
11508         EL_DF_MIRROR_3,
11509         EL_DF_MIRROR_2
11510       },
11511       {
11512         EL_DF_MIRROR_ROTATING_1,
11513         EL_DF_MIRROR_ROTATING_16,
11514         EL_DF_MIRROR_ROTATING_15,
11515         EL_DF_MIRROR_ROTATING_14,
11516         EL_DF_MIRROR_ROTATING_13,
11517         EL_DF_MIRROR_ROTATING_12,
11518         EL_DF_MIRROR_ROTATING_11,
11519         EL_DF_MIRROR_ROTATING_10,
11520         EL_DF_MIRROR_ROTATING_9,
11521         EL_DF_MIRROR_ROTATING_8,
11522         EL_DF_MIRROR_ROTATING_7,
11523         EL_DF_MIRROR_ROTATING_6,
11524         EL_DF_MIRROR_ROTATING_5,
11525         EL_DF_MIRROR_ROTATING_4,
11526         EL_DF_MIRROR_ROTATING_3,
11527         EL_DF_MIRROR_ROTATING_2
11528       },
11529
11530       {
11531         -1,
11532       },
11533     };
11534     int i, j;
11535
11536     for (i = 0; swappable_elements[i][0] != -1; i++)
11537     {
11538       int element1 = swappable_elements[i][0];
11539       int element2 = swappable_elements[i][1];
11540
11541       if (old_element == element1 || old_element == element2)
11542         new_element = (old_element == element1 ? element2 : element1);
11543     }
11544
11545     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11546     {
11547       for (j = 0; j < 4; j++)
11548       {
11549         int element = rotatable_elements_4[i][j];
11550
11551         if (old_element == element)
11552           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11553                          button == 2 ? rotatable_elements_4[i][0]           :
11554                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11555                          old_element);
11556       }
11557     }
11558
11559     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11560     {
11561       for (j = 0; j < 8; j++)
11562       {
11563         int element = rotatable_elements_8[i][j];
11564
11565         if (old_element == element)
11566           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11567                          button == 2 ? rotatable_elements_8[i][0]           :
11568                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11569                          old_element);
11570       }
11571     }
11572
11573     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11574     {
11575       for (j = 0; j < 16; j++)
11576       {
11577         int element = rotatable_elements_16[i][j];
11578
11579         if (old_element == element)
11580           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11581                          button == 2 ? rotatable_elements_16[i][0]             :
11582                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11583                          old_element);
11584       }
11585     }
11586
11587     if (old_element != new_element)
11588     {
11589       int max_infotext_len = getMaxInfoTextLength();
11590       char infotext[MAX_OUTPUT_LINESIZE + 1];
11591
11592       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11593       infotext[max_infotext_len] = '\0';
11594
11595       ClearEditorGadgetInfoText();
11596
11597       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11598                 infotext);
11599     }
11600   }
11601
11602   SetElementSimple(x, y, new_element, change_level);
11603
11604   last_x = x;
11605   last_y = y;
11606 }
11607
11608 static void ResetIntelliDraw(void)
11609 {
11610   int x, y;
11611
11612   for (x = 0; x < lev_fieldx; x++)
11613     for (y = 0; y < lev_fieldy; y++)
11614       IntelliDrawBuffer[x][y] = Feld[x][y];
11615
11616   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11617 }
11618
11619 static boolean draw_mode_hires = FALSE;
11620
11621 static void SetDrawModeHiRes(int element)
11622 {
11623   draw_mode_hires =
11624     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11625      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11626 }
11627
11628 static boolean getDrawModeHiRes(void)
11629 {
11630   return draw_mode_hires;
11631 }
11632
11633 static int getLoResScreenPos(int pos)
11634 {
11635   return (getDrawModeHiRes() ? pos / 2 : pos);
11636 }
11637
11638 static int getLoResScreenMod(int pos)
11639 {
11640   return (getDrawModeHiRes() ? pos % 2 : 0);
11641 }
11642
11643 static void SetElementExt(int x, int y, int dx, int dy, int element,
11644                           boolean change_level, int button)
11645 {
11646   if (element < 0)
11647     SetElementSimple(x, y, Feld[x][y], change_level);
11648   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11649     SetElementIntelliDraw(x, y, element, change_level, button);
11650   else
11651     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11652 }
11653
11654 static void SetElement(int x, int y, int element)
11655 {
11656   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11657 }
11658
11659 static void SetElementButton(int x, int y, int dx, int dy, int element,
11660                              int button)
11661 {
11662   SetElementExt(x, y, dx, dy, element, TRUE, button);
11663 }
11664
11665 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11666 {
11667   int lx = getLoResScreenPos(sx2) + level_xpos;
11668   int ly = getLoResScreenPos(sy2) + level_ypos;
11669   int dx = getLoResScreenMod(sx2);
11670   int dy = getLoResScreenMod(sy2);
11671
11672   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11673 }
11674
11675 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11676 {
11677   int lx = lx2 / 2;
11678   int ly = ly2 / 2;
11679   int dx = lx2 % 2;
11680   int dy = ly2 % 2;
11681
11682   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11683 }
11684
11685 static int getLevelElementHiRes(int lx2, int ly2)
11686 {
11687   int lx = lx2 / 2;
11688   int ly = ly2 / 2;
11689   int dx = lx2 % 2;
11690   int dy = ly2 % 2;
11691   int element = Feld[lx][ly];
11692   unsigned int bitmask = (dx + 1) << (dy * 2);
11693
11694   if (IS_MM_WALL(element))
11695   {
11696     if (element & bitmask)
11697       return map_mm_wall_element(element);
11698     else
11699       return EL_EMPTY;
11700   }
11701
11702   return element;
11703 }
11704
11705 static void DrawLineElement(int x, int y, int element, boolean change_level)
11706 {
11707   SetElementHiRes(x, y, element, change_level);
11708 }
11709
11710 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11711                      int element, boolean change_level)
11712 {
11713   int xsize = ABS(to_x - from_x);
11714   int ysize = ABS(to_y - from_y);
11715   int dx = (to_x < from_x ? -1 : +1);
11716   int dy = (to_y < from_y ? -1 : +1);
11717   int i;
11718
11719   if (from_y == to_y)                   // horizontal line
11720   {
11721     for (i = 0; i <= xsize; i++)
11722       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11723   }
11724   else if (from_x == to_x)              // vertical line
11725   {
11726     for (i = 0; i <= ysize; i++)
11727       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11728   }
11729   else                                  // diagonal line
11730   {
11731     if (ysize < xsize)                  // a < 1
11732     {
11733       float a = (float)ysize / (float)xsize;
11734
11735       for (i = 0; i <= xsize; i++)
11736       {
11737         int x = dx * i;
11738         int y = dy * (int)(a * i + 0.5);
11739
11740         DrawLineElement(from_x + x, from_y + y, element, change_level);
11741       }
11742     }
11743     else                                // a >= 1
11744     {
11745       float a = (float)xsize / (float)ysize;
11746
11747       for (i = 0; i <= ysize; i++)
11748       {
11749         int x = dx * (int)(a * i + 0.5);
11750         int y = dy * i;
11751
11752         DrawLineElement(from_x + x, from_y + y, element, change_level);
11753       }
11754     }
11755   }
11756 }
11757
11758 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11759                     int element, boolean change_level)
11760 {
11761   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11762   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11763   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11764   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11765 }
11766
11767 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11768                           int element, boolean change_level)
11769 {
11770   int y;
11771
11772   if (from_y > to_y)
11773     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11774
11775   for (y = from_y; y <= to_y; y++)
11776     DrawLine(from_x, y, to_x, y, element, change_level);
11777 }
11778
11779 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11780                        int element, boolean change_level)
11781 {
11782   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11783   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11784   int len_x = ABS(to_x - from_x);
11785   int len_y = ABS(to_y - from_y);
11786   int radius, x, y;
11787
11788   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11789
11790   // not optimal (some points get drawn twice) but simple,
11791   // and fast enough for the few points we are drawing
11792
11793   for (x = 0; x <= radius; x++)
11794   {
11795     int sx, sy, sx2, sy2, lx, ly;
11796
11797     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11798
11799     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11800     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11801     sx = getLoResScreenPos(sx2);
11802     sy = getLoResScreenPos(sy2);
11803     lx = sx + level_xpos;
11804     ly = sy + level_ypos;
11805
11806     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11807       DrawLineElement(sx2, sy2, element, change_level);
11808   }
11809
11810   for (y = 0; y <= radius; y++)
11811   {
11812     int sx, sy, sx2, sy2, lx, ly;
11813
11814     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11815
11816     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11817     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11818     sx = getLoResScreenPos(sx2);
11819     sy = getLoResScreenPos(sy2);
11820     lx = sx + level_xpos;
11821     ly = sy + level_ypos;
11822
11823     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11824       DrawLineElement(sx2, sy2, element, change_level);
11825   }
11826 }
11827
11828 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11829                     int element, boolean change_level)
11830 {
11831   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11832   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11833
11834   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11835 }
11836
11837 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11838
11839 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11840 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11841                        int element, boolean change_level)
11842 {
11843   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11844   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11845   int mirror_to_x2 = from_x - (to_x2 - from_x);
11846   int mirror_to_y2 = from_y - (to_y2 - from_y);
11847
11848   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11849   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11850   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11851   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11852 }
11853 #endif
11854
11855 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11856 {
11857   int from_sx, from_sy;
11858   int to_sx, to_sy;
11859
11860   if (from_x > to_x)
11861     swap_numbers(&from_x, &to_x);
11862
11863   if (from_y > to_y)
11864     swap_numbers(&from_y, &to_y);
11865
11866   from_sx = SX + from_x * ed_tilesize;
11867   from_sy = SY + from_y * ed_tilesize;
11868   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11869   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11870
11871   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11872   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11873   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11874   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11875
11876   if (from_x == to_x && from_y == to_y)
11877     MarkTileDirty(from_x/2, from_y/2);
11878   else
11879     redraw_mask |= REDRAW_FIELD;
11880 }
11881
11882 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11883                         int element, boolean change_level)
11884 {
11885   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11886 }
11887
11888 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11889                        int element, boolean change_level)
11890 {
11891   if (element == -1 || change_level)
11892     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11893   else
11894     DrawAreaBorder(from_x, from_y, to_x, to_y);
11895 }
11896
11897 // values for CopyBrushExt()
11898 #define CB_AREA_TO_BRUSH        0
11899 #define CB_BRUSH_TO_CURSOR      1
11900 #define CB_BRUSH_TO_LEVEL       2
11901 #define CB_DELETE_OLD_CURSOR    3
11902 #define CB_DUMP_BRUSH           4
11903 #define CB_DUMP_BRUSH_SMALL     5
11904
11905 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11906 {
11907   DrawLineElement(sx, sy, element, change_level);
11908 }
11909
11910 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11911                          int button, int mode)
11912 {
11913   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11914   static int brush_width, brush_height;
11915   static int last_cursor_x = -1, last_cursor_y = -1;
11916   static boolean delete_old_brush;
11917   int new_element = BUTTON_ELEMENT(button);
11918   int x, y;
11919
11920   if (mode == CB_DUMP_BRUSH ||
11921       mode == CB_DUMP_BRUSH_SMALL)
11922   {
11923     if (!draw_with_brush)
11924     {
11925       Error(ERR_WARN, "no brush selected");
11926
11927       return;
11928     }
11929
11930     for (y = 0; y < brush_height; y++)
11931     {
11932       for (x = 0; x < brush_width; x++)
11933       {
11934         int element = brush_buffer[x][y];
11935         int element_mapped = element;
11936
11937         if (IS_CUSTOM_ELEMENT(element))
11938           element_mapped = EL_CUSTOM_START;
11939         else if (IS_GROUP_ELEMENT(element))
11940           element_mapped = EL_GROUP_START;
11941         else if (element >= NUM_FILE_ELEMENTS)
11942           element_mapped = EL_UNKNOWN;
11943
11944         // dump brush as level sketch text for the R'n'D forum:
11945         // - large tiles: `xxx (0x60 ASCII)
11946         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11947         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11948       }
11949
11950       printf("\n");
11951     }
11952
11953     return;
11954   }
11955
11956   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11957     return;
11958
11959   if (mode == CB_AREA_TO_BRUSH)
11960   {
11961     int from_lx, from_ly;
11962
11963     if (from_x > to_x)
11964       swap_numbers(&from_x, &to_x);
11965
11966     if (from_y > to_y)
11967       swap_numbers(&from_y, &to_y);
11968
11969     brush_width = to_x - from_x + 1;
11970     brush_height = to_y - from_y + 1;
11971
11972     from_lx = from_x + level_xpos;
11973     from_ly = from_y + level_ypos;
11974
11975     for (y = 0; y < brush_height; y++)
11976     {
11977       for (x = 0; x < brush_width; x++)
11978       {
11979         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11980
11981         if (button != 1)
11982           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11983       }
11984     }
11985
11986     if (button != 1)
11987       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11988
11989     delete_old_brush = FALSE;
11990   }
11991   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11992            mode == CB_BRUSH_TO_LEVEL)
11993   {
11994     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11995     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11996     int cursor_from_x = cursor_x - brush_width / 2;
11997     int cursor_from_y = cursor_y - brush_height / 2;
11998     int border_from_x = cursor_x, border_from_y = cursor_y;
11999     int border_to_x = cursor_x, border_to_y = cursor_y;
12000
12001     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12002       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12003
12004     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12005         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12006     {
12007       delete_old_brush = FALSE;
12008       return;
12009     }
12010
12011     for (y = 0; y < brush_height; y++)
12012     {
12013       for (x = 0; x < brush_width; x++)
12014       {
12015         int sx = cursor_from_x + x;
12016         int sy = cursor_from_y + y;
12017         int lx = sx + level_xpos;
12018         int ly = sy + level_ypos;
12019         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12020         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12021                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12022                        brush_buffer[x][y] : new_element);
12023
12024         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12025         {
12026           if (sx < border_from_x)
12027             border_from_x = sx;
12028           else if (sx > border_to_x)
12029             border_to_x = sx;
12030           if (sy < border_from_y)
12031             border_from_y = sy;
12032           else if (sy > border_to_y)
12033             border_to_y = sy;
12034
12035           DrawBrushElement(sx, sy, element, change_level);
12036         }
12037       }
12038     }
12039
12040     if (mode != CB_DELETE_OLD_CURSOR)
12041       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12042
12043     last_cursor_x = cursor_x;
12044     last_cursor_y = cursor_y;
12045     delete_old_brush = TRUE;
12046   }
12047 }
12048
12049 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12050                             int button)
12051 {
12052   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12053 }
12054
12055 static void CopyBrushToLevel(int x, int y, int button)
12056 {
12057   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12058 }
12059
12060 static void CopyBrushToCursor(int x, int y)
12061 {
12062   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12063 }
12064
12065 static void DeleteBrushFromCursor(void)
12066 {
12067   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12068 }
12069
12070 void DumpBrush(void)
12071 {
12072   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12073 }
12074
12075 void DumpBrush_Small(void)
12076 {
12077   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12078 }
12079
12080 static void FloodFill(int from_x, int from_y, int fill_element)
12081 {
12082   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
12083 }
12084
12085 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12086 {
12087   int from_x = from_sx2 + 2 * level_xpos;
12088   int from_y = from_sy2 + 2 * level_ypos;
12089   int max_fillx = lev_fieldx * 2;
12090   int max_filly = lev_fieldy * 2;
12091   short FillFeld[max_fillx][max_filly];
12092   int x, y;
12093
12094   for (x = 0; x < max_fillx; x++)
12095     for (y = 0; y < max_filly; y++)
12096       FillFeld[x][y] = getLevelElementHiRes(x, y);
12097
12098   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12099                     FillFeld, max_fillx, max_filly);
12100
12101   for (x = 0; x < max_fillx; x++)
12102     for (y = 0; y < max_filly; y++)
12103       if (FillFeld[x][y] == fill_element)
12104         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12105 }
12106
12107 // values for DrawLevelText() modes
12108 #define TEXT_INIT               0
12109 #define TEXT_SETCURSOR          1
12110 #define TEXT_WRITECHAR          2
12111 #define TEXT_BACKSPACE          3
12112 #define TEXT_NEWLINE            4
12113 #define TEXT_END                5
12114 #define TEXT_QUERY_TYPING       6
12115
12116 static int DrawLevelText(int sx, int sy, char letter, int mode)
12117 {
12118   static short delete_buffer[MAX_LEV_FIELDX];
12119   static int start_sx;
12120   static int last_sx, last_sy;
12121   static boolean typing = FALSE;
12122   int letter_element = EL_CHAR_ASCII0 + letter;
12123   int lx = 0, ly = 0;
12124
12125   // map lower case letters to upper case and convert special characters
12126   if (letter >= 'a' && letter <= 'z')
12127     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12128   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12129     letter_element = EL_CHAR_AUMLAUT;
12130   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12131     letter_element = EL_CHAR_OUMLAUT;
12132   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12133     letter_element = EL_CHAR_UUMLAUT;
12134   else if (letter == '^')
12135     letter_element = EL_CHAR_COPYRIGHT;
12136   else
12137     letter_element = EL_CHAR_ASCII0 + letter;
12138
12139   if (mode != TEXT_INIT)
12140   {
12141     if (!typing)
12142       return FALSE;
12143
12144     if (mode != TEXT_SETCURSOR)
12145     {
12146       sx = last_sx;
12147       sy = last_sy;
12148     }
12149
12150     lx = last_sx + level_xpos;
12151     ly = last_sy + level_ypos;
12152   }
12153
12154   switch (mode)
12155   {
12156     case TEXT_INIT:
12157       if (typing)
12158         DrawLevelText(0, 0, 0, TEXT_END);
12159
12160       typing = TRUE;
12161       start_sx = sx;
12162       last_sx = sx;
12163       last_sy = sy;
12164       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12165       break;
12166
12167     case TEXT_SETCURSOR:
12168       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12169       DrawAreaBorder(sx, sy, sx, sy);
12170       last_sx = sx;
12171       last_sy = sy;
12172       break;
12173
12174     case TEXT_WRITECHAR:
12175       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12176       {
12177         if (new_element1 >= EL_STEEL_CHAR_START &&
12178             new_element1 <= EL_STEEL_CHAR_END)
12179           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12180
12181         delete_buffer[sx - start_sx] = Feld[lx][ly];
12182         Feld[lx][ly] = letter_element;
12183
12184         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12185           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12186         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12187           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12188         else
12189           DrawLevelText(0, 0, 0, TEXT_END);
12190
12191         level.changed = TRUE;
12192       }
12193       break;
12194
12195     case TEXT_BACKSPACE:
12196       if (sx > start_sx)
12197       {
12198         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12199         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12200         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12201       }
12202       break;
12203
12204     case TEXT_NEWLINE:
12205       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12206         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12207       else
12208         DrawLevelText(0, 0, 0, TEXT_END);
12209       break;
12210
12211     case TEXT_END:
12212       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12213       DrawEditorElement(sx, sy, Feld[lx][ly]);
12214       typing = FALSE;
12215       break;
12216
12217     case TEXT_QUERY_TYPING:
12218       break;
12219
12220     default:
12221       break;
12222   }
12223
12224   return typing;
12225 }
12226
12227 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12228                           int element, boolean change_level)
12229 {
12230   int lx = sx + level_xpos;
12231   int ly = sy + level_ypos;
12232
12233   if (element == -1)
12234     DrawEditorElement(sx, sy, Feld[lx][ly]);
12235   else
12236     DrawAreaBorder(sx, sy, sx, sy);
12237 }
12238
12239 static void CheckLevelBorderElement(boolean redraw_playfield)
12240 {
12241   int last_border_element = BorderElement;
12242
12243   SetBorderElement();
12244
12245   if (redraw_playfield && BorderElement != last_border_element)
12246     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12247 }
12248
12249 static void CopyLevelToUndoBuffer(int mode)
12250 {
12251   static boolean accumulated_undo = FALSE;
12252   boolean new_undo_buffer_position = TRUE;
12253   int x, y;
12254
12255   if (undo_buffer_steps == 0)
12256     accumulated_undo = FALSE;
12257
12258   switch (mode)
12259   {
12260     case UNDO_IMMEDIATE:
12261       accumulated_undo = FALSE;
12262       break;
12263
12264     case UNDO_ACCUMULATE:
12265       if (accumulated_undo)
12266         new_undo_buffer_position = FALSE;
12267       accumulated_undo = TRUE;
12268       break;
12269
12270     default:
12271       break;
12272   }
12273
12274   if (new_undo_buffer_position)
12275   {
12276     // advance position in undo buffer ring
12277     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12278
12279     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12280       undo_buffer_steps++;
12281   }
12282
12283   // always reset redo buffer when storing level change into undo buffer
12284   redo_buffer_steps = 0;
12285
12286   for (x = 0; x < lev_fieldx; x++)
12287     for (y = 0; y < lev_fieldy; y++)
12288       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12289
12290   // check if drawing operation forces change of border style
12291   CheckLevelBorderElement(TRUE);
12292
12293   level.changed = TRUE;
12294 }
12295
12296 static void RandomPlacement(int new_element)
12297 {
12298   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12299   int num_free_positions = 0;
12300   int num_percentage, num_elements;
12301   int x, y;
12302
12303   ResetIntelliDraw();
12304
12305   // determine number of free positions for randomly placing the new element
12306   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12307   {
12308     free_position[x][y] =
12309       (random_placement_background_restricted ?
12310        Feld[x][y] == random_placement_background_element :
12311        Feld[x][y] != new_element);
12312
12313     if (free_position[x][y])
12314       num_free_positions++;
12315   }
12316
12317   // determine number of new elements to place there
12318   num_percentage = num_free_positions * random_placement_value / 100;
12319   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12320                   num_percentage : random_placement_value);
12321
12322   // if less free positions than elements to place, fill all these positions
12323   if (num_free_positions < num_elements)
12324   {
12325     for (x = 0; x < lev_fieldx; x++)
12326       for (y = 0; y < lev_fieldy; y++)
12327         if (free_position[x][y])
12328           SetElement(x, y, new_element);
12329   }
12330   else
12331   {
12332     while (num_elements > 0)
12333     {
12334       x = GetSimpleRandom(lev_fieldx);
12335       y = GetSimpleRandom(lev_fieldy);
12336
12337       // don't place element at the same position twice
12338       if (free_position[x][y])
12339       {
12340         free_position[x][y] = FALSE;
12341         SetElement(x, y, new_element);
12342         num_elements--;
12343       }
12344     }
12345   }
12346
12347   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12348   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12349 }
12350
12351 static void WrapLevel(int dx, int dy)
12352 {
12353   int wrap_dx = lev_fieldx - dx;
12354   int wrap_dy = lev_fieldy - dy;
12355   int x, y;
12356
12357   for (x = 0; x < lev_fieldx; x++)
12358     for (y = 0; y < lev_fieldy; y++)
12359       FieldBackup[x][y] = Feld[x][y];
12360
12361   for (x = 0; x < lev_fieldx; x++)
12362     for (y = 0; y < lev_fieldy; y++)
12363       Feld[x][y] =
12364         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12365
12366   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12367   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12368 }
12369
12370 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12371 {
12372   char *template_filename_old = getLocalLevelTemplateFilename();
12373   char *template_filename_new =
12374     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12375
12376   if (copyFile(template_filename_old, template_filename_new) != 0)
12377     Request("Cannot copy level template!", REQ_CONFIRM);
12378
12379   free(template_filename_new);
12380 }
12381
12382 static void HandleDrawingAreas(struct GadgetInfo *gi)
12383 {
12384   static boolean started_inside_drawing_area = FALSE;
12385   static int last_sx = -1, last_sy = -1;
12386   static int last_sx2 = -1, last_sy2 = -1;
12387   int id = gi->custom_id;
12388   int type_id = gi->custom_type_id;
12389   boolean button_press_event;
12390   boolean button_release_event;
12391   boolean inside_drawing_area = !gi->event.off_borders;
12392   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12393   int actual_drawing_function;
12394   int button = gi->event.button;
12395   int new_element = BUTTON_ELEMENT(button);
12396   int sx = gi->event.x, sy = gi->event.y;
12397   int min_sx = 0, min_sy = 0;
12398   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12399   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12400   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12401   int sx2 = gi->event.mx / mini_item_xsize;
12402   int sy2 = gi->event.my / mini_item_ysize;
12403   int dx = sx2 % 2;
12404   int dy = sy2 % 2;
12405   int lx = 0, ly = 0;
12406   int min_lx = 0, min_ly = 0;
12407   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12408   int x, y;
12409
12410   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12411   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12412
12413   // make sure to stay inside drawing area boundaries
12414   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12415   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12416
12417   if (draw_level)
12418   {
12419     // get positions inside level field
12420     lx = sx + level_xpos;
12421     ly = sy + level_ypos;
12422
12423     if (!IN_LEV_FIELD(lx, ly))
12424       inside_drawing_area = FALSE;
12425
12426     // make sure to stay inside level field boundaries
12427     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12428     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12429
12430     // correct drawing area positions accordingly
12431     sx = lx - level_xpos;
12432     sy = ly - level_ypos;
12433   }
12434
12435   // also correct MM wall-sized (double) drawing area positions accordingly
12436   if (sx2 / 2 < sx || sx2 / 2 > sx)
12437   {
12438     dx = (sx2 / 2 < sx ? 0 : 1);
12439     sx2 = sx * 2 + dx;
12440   }
12441   if (sy2 / 2 < sy || sy2 / 2 > sy)
12442   {
12443     dy = (sy2 / 2 < sy ? 0 : 1);
12444     sy2 = sy * 2 + dy;
12445   }
12446
12447   if (button_release_event)
12448   {
12449     last_sx = -1;
12450     last_sy = -1;
12451     last_sx2 = -1;
12452     last_sy2 = -1;
12453   }
12454   else if (!button_press_event)
12455   {
12456     // prevent handling events for every pixel position when moving mouse
12457     if ((sx == last_sx && sy == last_sy &&
12458          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12459         (sx2 == last_sx2 && sy2 == last_sy2))
12460       return;
12461   }
12462
12463   last_sx = sx;
12464   last_sy = sy;
12465   last_sx2 = sx2;
12466   last_sy2 = sy2;
12467
12468   if (button_press_event)
12469     started_inside_drawing_area = inside_drawing_area;
12470
12471   if (!started_inside_drawing_area)
12472     return;
12473
12474   if (!IS_VALID_BUTTON(button))
12475     return;
12476
12477   if (!button && !button_release_event)
12478     return;
12479
12480   // handle info callback for each invocation of action callback
12481   gi->callback_info(gi);
12482
12483   // automatically switch to 'single item' drawing mode, if needed
12484   actual_drawing_function =
12485     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12486      drawing_function : GADGET_ID_SINGLE_ITEMS);
12487
12488   // clicking into drawing area with pressed Control key picks element
12489   if (GetKeyModState() & KMOD_Control)
12490   {
12491     last_drawing_function = drawing_function;
12492     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12493   }
12494
12495   if (GetKeyModState() & KMOD_Shift)
12496   {
12497     if (button_press_event || button_release_event)
12498       ResetIntelliDraw();
12499   }
12500
12501   SetDrawModeHiRes(-1);         // reset to normal draw mode
12502
12503   switch (actual_drawing_function)
12504   {
12505     case GADGET_ID_SINGLE_ITEMS:
12506       if (draw_level)
12507       {
12508         if (button_release_event)
12509         {
12510           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12511
12512           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12513               !inside_drawing_area)
12514             DeleteBrushFromCursor();
12515         }
12516
12517         if (!button || button_release_event)
12518           break;
12519
12520         if (draw_with_brush)
12521         {
12522           CopyBrushToLevel(sx, sy, button);
12523         }
12524         else
12525         {
12526           SetDrawModeHiRes(new_element);
12527
12528           if (new_element == EL_PLAYER_1)
12529           {
12530             // remove player at old position
12531             for (y = 0; y < lev_fieldy; y++)
12532               for (x = 0; x < lev_fieldx; x++)
12533                 if (Feld[x][y] == EL_PLAYER_1)
12534                   SetElement(x, y, EL_EMPTY);
12535           }
12536
12537           SetElementButton(lx, ly, dx, dy, new_element, button);
12538         }
12539       }
12540       else if (!button_release_event)
12541       {
12542         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12543
12544         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12545           DrawMiniGraphicExt(drawto,
12546                              gi->x + sx * MINI_TILEX,
12547                              gi->y + sy * MINI_TILEY,
12548                              el2edimg(new_element));
12549         else
12550           DrawFixedGraphicExt(drawto,
12551                               gi->x + sx * TILEX,
12552                               gi->y + sy * TILEY,
12553                               el2edimg(new_element), 0);
12554
12555         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12556           new_element = GFX_ELEMENT(new_element);
12557
12558         drawingarea_info[type_id].value[pos] = new_element;
12559
12560         CopyElementPropertiesToGame(properties_element);
12561
12562         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12563         {
12564           UpdateCustomElementGraphicGadgets();
12565
12566           FrameCounter = 0;     // restart animation frame counter
12567         }
12568       }
12569       break;
12570
12571     case GADGET_ID_CONNECTED_ITEMS:
12572       {
12573         static int last_sx = -1;
12574         static int last_sy = -1;
12575
12576         if (button_release_event)
12577           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12578
12579         if (button)
12580         {
12581           SetDrawModeHiRes(new_element);
12582
12583           if (getDrawModeHiRes())
12584           {
12585             sx = sx2;
12586             sy = sy2;
12587           }
12588
12589           if (!button_press_event)
12590             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12591
12592           last_sx = sx;
12593           last_sy = sy;
12594         }
12595       }
12596       break;
12597
12598     case GADGET_ID_LINE:
12599     case GADGET_ID_ARC:
12600     case GADGET_ID_RECTANGLE:
12601     case GADGET_ID_FILLED_BOX:
12602       SetDrawModeHiRes(new_element);
12603
12604       if (getDrawModeHiRes())
12605       {
12606         sx = sx2;
12607         sy = sy2;
12608       }
12609       // FALLTHROUGH
12610     case GADGET_ID_GRAB_BRUSH:
12611     case GADGET_ID_TEXT:
12612       {
12613         static int last_sx = -1;
12614         static int last_sy = -1;
12615         static int start_sx = -1;
12616         static int start_sy = -1;
12617         void (*draw_func)(int, int, int, int, int, boolean);
12618
12619         if (drawing_function == GADGET_ID_LINE)
12620           draw_func = DrawLine;
12621         else if (drawing_function == GADGET_ID_ARC)
12622           draw_func = DrawArc;
12623         else if (drawing_function == GADGET_ID_RECTANGLE)
12624           draw_func = DrawBox;
12625         else if (drawing_function == GADGET_ID_FILLED_BOX)
12626           draw_func = DrawFilledBox;
12627         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12628           draw_func = SelectArea;
12629         else // (drawing_function == GADGET_ID_TEXT)
12630           draw_func = SetTextCursor;
12631
12632         if (button_press_event)
12633         {
12634           draw_func(sx, sy, sx, sy, new_element, FALSE);
12635           start_sx = last_sx = sx;
12636           start_sy = last_sy = sy;
12637
12638           if (drawing_function == GADGET_ID_TEXT)
12639             DrawLevelText(0, 0, 0, TEXT_END);
12640         }
12641         else if (button_release_event)
12642         {
12643           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12644           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12645           {
12646             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12647             CopyBrushToCursor(sx, sy);
12648             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12649                           MB_LEFTBUTTON);
12650             draw_with_brush = TRUE;
12651           }
12652           else if (drawing_function == GADGET_ID_TEXT)
12653             DrawLevelText(sx, sy, 0, TEXT_INIT);
12654           else
12655             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12656         }
12657         else if (last_sx != sx || last_sy != sy)
12658         {
12659           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12660           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
12661             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12662           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12663           last_sx = sx;
12664           last_sy = sy;
12665         }
12666       }
12667       break;
12668
12669     case GADGET_ID_FLOOD_FILL:
12670       if (button_press_event && Feld[lx][ly] != new_element)
12671       {
12672         if (IS_MM_WALL_EDITOR(new_element))
12673           FloodFillWall_MM(sx2, sy2, new_element);
12674         else
12675           FloodFill(lx, ly, new_element);
12676
12677         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12678         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12679       }
12680       break;
12681
12682     case GADGET_ID_PICK_ELEMENT:
12683       if (button_release_event)
12684         ClickOnGadget(level_editor_gadget[last_drawing_function],
12685                       MB_LEFTBUTTON);
12686       else if (draw_level)
12687         PickDrawingElement(button, Feld[lx][ly]);
12688       else
12689       {
12690         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12691
12692         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12693       }
12694
12695     default:
12696       break;
12697   }
12698
12699   // do not mark level as modified for certain non-level-changing gadgets
12700   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12701        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12702       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12703       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12704     return;
12705
12706   level.changed = TRUE;
12707 }
12708
12709 static void HandleCounterButtons(struct GadgetInfo *gi)
12710 {
12711   int gadget_id = gi->custom_id;
12712   int counter_id = gi->custom_type_id;
12713   int button = gi->event.button;
12714   int *counter_value = counterbutton_info[counter_id].value;
12715   int step = BUTTON_STEPSIZE(button) *
12716     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12717
12718   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12719   {
12720     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12721     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12722     boolean level_changed = LevelChanged();
12723
12724     if ((level_changed && pressed) || (!level_changed && released))
12725       return;
12726
12727     if (level_changed && !Request("Level has changed! Discard changes?",
12728                                   REQ_ASK))
12729     {
12730       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12731         ModifyEditorCounterValue(counter_id, *counter_value);
12732
12733       return;
12734     }
12735   }
12736
12737   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12738     *counter_value = gi->textinput.number_value;
12739   else
12740     ModifyEditorCounterValue(counter_id, *counter_value + step);
12741
12742   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12743   {
12744     int last_game_engine_type = level.game_engine_type;
12745
12746     LoadLevel(level_nr);
12747     LoadScore(level_nr);
12748
12749     SaveLevelSetup_SeriesInfo();
12750
12751     TapeErase();
12752
12753     ResetUndoBuffer();
12754     DrawEditModeWindow();
12755
12756     if (level.game_engine_type != last_game_engine_type)
12757     {
12758       // update element selection list
12759       ReinitializeElementList();
12760       ModifyEditorElementList();
12761     }
12762
12763     return;
12764   }
12765
12766   switch (counter_id)
12767   {
12768     case ED_COUNTER_ID_YAMYAM_CONTENT:
12769       DrawYamYamContentAreas();
12770       break;
12771
12772     case ED_COUNTER_ID_BALL_CONTENT:
12773       DrawMagicBallContentAreas();
12774       break;
12775
12776     case ED_COUNTER_ID_ANDROID_CONTENT:
12777       DrawAndroidElementArea(properties_element);
12778       break;
12779
12780     case ED_COUNTER_ID_GROUP_CONTENT:
12781       DrawGroupElementArea(properties_element);
12782       CopyGroupElementPropertiesToGame(properties_element);
12783       break;
12784
12785     case ED_COUNTER_ID_INVENTORY_SIZE:
12786       DrawPlayerInitialInventoryArea(properties_element);
12787       break;
12788
12789     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12790     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12791       DrawEnvelopeTextArea(-1);
12792       break;
12793
12794     case ED_COUNTER_ID_LEVEL_XSIZE:
12795     case ED_COUNTER_ID_LEVEL_YSIZE:
12796       lev_fieldx = level.fieldx;
12797       lev_fieldy = level.fieldy;
12798
12799       // check if resizing of level results in change of border border
12800       SetBorderElement();
12801
12802       break;
12803
12804     default:
12805       break;
12806   }
12807
12808   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12809        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12810       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12811        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12812     CopyElementPropertiesToGame(properties_element);
12813
12814   // do not mark level as modified for certain non-level-changing gadgets
12815   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12816        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12817       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12818        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12819     return;
12820
12821   level.changed = TRUE;
12822 }
12823
12824 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12825 {
12826   int type_id = gi->custom_type_id;
12827
12828   strcpy(textinput_info[type_id].value, gi->textinput.value);
12829
12830   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12831   {
12832     CopyElementPropertiesToGame(properties_element);
12833
12834     ModifyEditorElementList();  // update changed button info text
12835   }
12836
12837   // do not mark level as modified for certain non-level-changing gadgets
12838   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12839       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12840     return;
12841
12842   level.changed = TRUE;
12843 }
12844
12845 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12846 {
12847   int type_id = gi->custom_type_id;
12848
12849   strncpy(textarea_info[type_id].value, gi->textarea.value,
12850           MAX_ENVELOPE_TEXT_LEN);
12851   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12852
12853   level.changed = TRUE;
12854 }
12855
12856 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12857 {
12858   int type_id = gi->custom_type_id;
12859   int value_old = *selectbox_info[type_id].value;
12860   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12861
12862   *selectbox_info[type_id].value = value_new;
12863
12864   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12865   {
12866     DrawLevelInfoWindow();
12867   }
12868   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12869   {
12870     element_info[properties_element].current_change_page = gi->selectbox.index;
12871
12872     DrawPropertiesWindow();
12873   }
12874   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12875             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12876            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12877             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12878            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12879   {
12880     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12881     {
12882       // when changing action type, also check action mode and action arg
12883       if (value_old != value_new)
12884         setSelectboxSpecialActionVariablesIfNeeded();
12885
12886       DrawPropertiesChange();
12887     }
12888
12889     CopyElementPropertiesToGame(properties_element);
12890   }
12891   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12892   {
12893     // update element selection list
12894     ReinitializeElementList();
12895     ModifyEditorElementList();
12896   }
12897
12898   // do not mark level as modified for certain non-level-changing gadgets
12899   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12900       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12901     return;
12902
12903   level.changed = TRUE;
12904 }
12905
12906 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12907 {
12908   int type_id = gi->custom_type_id;
12909   int i;
12910
12911   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12912       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12913   {
12914     edit_mode_levelinfo = gi->custom_type_id;
12915
12916     DrawLevelInfoWindow();
12917   }
12918   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12919            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12920   {
12921     edit_mode_properties = gi->custom_type_id;
12922
12923     DrawPropertiesWindow();
12924   }
12925   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12926            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12927   {
12928     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12929
12930     // backup original "level.field" (needed to track playfield changes)
12931     CopyPlayfield(level.field, FieldBackup);
12932
12933     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
12934     CopyPlayfield(Feld, level.field);
12935
12936     if (new_template ||
12937         Request("Save this template and kill the old?", REQ_ASK))
12938       SaveLevelTemplate();
12939
12940     if (new_template)
12941       Request("Template saved!", REQ_CONFIRM);
12942
12943     // restore original "level.field" (needed to track playfield changes)
12944     CopyPlayfield(FieldBackup, level.field);
12945   }
12946   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12947   {
12948     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12949
12950     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12951         leveldir_current->readonly)
12952     {
12953       Request("This level set is read only!", REQ_CONFIRM);
12954
12955       return;
12956     }
12957
12958     if (strEqual(levelset_name, ""))
12959     {
12960       Request("Please enter level set title!", REQ_CONFIRM);
12961
12962       return;
12963     }
12964
12965     if (strEqual(levelset_author, ""))
12966     {
12967       Request("Please enter level set author!", REQ_CONFIRM);
12968
12969       return;
12970     }
12971
12972     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12973     {
12974       if (UpdateUserLevelSet(levelset_subdir,
12975                              levelset_name,
12976                              levelset_author,
12977                              levelset_num_levels))
12978       {
12979         Request("Level set updated!", REQ_CONFIRM);
12980       }
12981       else
12982       {
12983         Request("Updating level set failed!", REQ_CONFIRM);
12984       }
12985     }
12986     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
12987     {
12988       if (level.changed && !Request("Level has changed! Discard changes?",
12989                                      REQ_ASK))
12990         return;
12991
12992       if (CreateUserLevelSet(levelset_subdir,
12993                              levelset_name,
12994                              levelset_author,
12995                              levelset_num_levels,
12996                              levelset_use_levelset_artwork))
12997       {
12998         if (levelset_copy_level_template)
12999           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13000
13001         Request("New level set created!", REQ_CONFIRM);
13002
13003         AddUserLevelSetToLevelInfo(levelset_subdir);
13004         ChangeEditorToLevelSet(levelset_subdir);
13005       }
13006       else
13007       {
13008         Request("Creating new level set failed!", REQ_CONFIRM);
13009       }
13010     }
13011   }
13012   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13013            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13014   {
13015     struct ElementInfo *ei = &element_info[properties_element];
13016
13017     // when modifying custom element, ask for copying level template
13018     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13019       return;
13020
13021     setElementChangePages(ei, ei->num_change_pages + 1);
13022
13023     // set new change page to be new current change page
13024     ei->current_change_page = ei->num_change_pages - 1;
13025     ei->change = &ei->change_page[ei->current_change_page];
13026
13027     setElementChangeInfoToDefaults(ei->change);
13028
13029     DrawPropertiesWindow();
13030
13031     level.changed = TRUE;
13032   }
13033   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13034            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13035   {
13036     struct ElementInfo *ei = &element_info[properties_element];
13037
13038     // when modifying custom element, ask for copying level template
13039     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13040       return;
13041
13042     // copy all change pages after change page to be deleted
13043     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13044       ei->change_page[i] = ei->change_page[i + 1];
13045
13046     setElementChangePages(ei, ei->num_change_pages - 1);
13047
13048     DrawPropertiesWindow();
13049
13050     level.changed = TRUE;
13051   }
13052 }
13053
13054 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13055 {
13056   int type_id = gi->custom_type_id;
13057
13058   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13059       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13060   {
13061     struct ElementInfo *ei = &element_info[properties_element];
13062     int step = BUTTON_STEPSIZE(gi->event.button);
13063
13064     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13065     ei->current_change_page += step;
13066
13067     if (ei->current_change_page < 0)
13068       ei->current_change_page = 0;
13069     else if (ei->current_change_page >= ei->num_change_pages)
13070       ei->current_change_page = ei->num_change_pages - 1;
13071
13072     DrawPropertiesWindow();
13073   }
13074   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13075            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13076   {
13077     struct ElementInfo *ei = &element_info[properties_element];
13078     int current_change_page = ei->current_change_page;
13079
13080     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13081     {
13082       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13083         ei->change_page[current_change_page];
13084     }
13085     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13086     {
13087       // when modifying custom element, ask for copying level template
13088       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13089         return;
13090
13091       ei->change_page[current_change_page] =
13092         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13093
13094       level.changed = TRUE;
13095     }
13096
13097     DrawPropertiesWindow();
13098   }
13099 }
13100
13101 static void HandleRadiobuttons(struct GadgetInfo *gi)
13102 {
13103   int type_id = gi->custom_type_id;
13104
13105   *radiobutton_info[type_id].value =
13106     radiobutton_info[type_id].checked_value;
13107
13108   // do not mark level as modified for certain non-level-changing gadgets
13109   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13110       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13111     return;
13112
13113   level.changed = TRUE;
13114 }
13115
13116 static void HandleCheckbuttons(struct GadgetInfo *gi)
13117 {
13118   int type_id = gi->custom_type_id;
13119
13120   *checkbutton_info[type_id].value ^= TRUE;
13121
13122   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13123       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13124       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13125       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13126          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13127         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13128          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13129        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13130   {
13131     CopyElementPropertiesToGame(properties_element);
13132   }
13133
13134   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13135   {
13136     UpdateCustomElementGraphicGadgets();
13137   }
13138   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13139            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13140   {
13141     boolean template_related_changes_found = FALSE;
13142     int i;
13143
13144     // check if any custom or group elements have been changed
13145     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13146       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13147           element_info[i].modified_settings)
13148         template_related_changes_found = TRUE;
13149
13150     if (level.use_custom_template &&
13151         !fileExists(getGlobalLevelTemplateFilename()))
13152     {
13153       Request("No level template found!", REQ_CONFIRM);
13154
13155       level.use_custom_template = FALSE;
13156
13157       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13158
13159       return;
13160     }
13161
13162     if (level.use_custom_template &&
13163         template_related_changes_found &&
13164         !Request("Discard changes and use level template?", REQ_ASK))
13165     {
13166       level.use_custom_template = FALSE;
13167
13168       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13169
13170       return;
13171     }
13172
13173     if (!level.use_custom_template &&
13174         Request("Copy settings from level template?", REQ_ASK))
13175     {
13176       return;
13177     }
13178
13179     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13180
13181     DrawEditModeWindow();
13182   }
13183   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13184   {
13185     if (setup.editor.use_template_for_new_levels &&
13186         !fileExists(getGlobalLevelTemplateFilename()))
13187     {
13188       Request("No level template found!", REQ_CONFIRM);
13189
13190       return;
13191     }
13192
13193     if (setup.editor.use_template_for_new_levels &&
13194         level.changed &&
13195         !Request("Discard level and load template?", REQ_ASK))
13196     {
13197       return;
13198     }
13199
13200     if (!setup.editor.use_template_for_new_levels &&
13201         level.changed &&
13202         !Request("Discard level and use empty level?", REQ_ASK))
13203     {
13204       return;
13205     }
13206
13207     LoadLevel(level_nr);
13208     LoadScore(level_nr);
13209
13210     TapeErase();
13211
13212     ResetUndoBuffer();
13213     DrawEditModeWindow();
13214   }
13215   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13216   {
13217     SetAutomaticNumberOfGemsNeeded();
13218   }
13219
13220   // do not mark level as modified for certain non-level-changing gadgets
13221   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13222        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13223       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13224        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13225        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13226       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13227     return;
13228
13229   level.changed = TRUE;
13230 }
13231
13232 static void HandleControlButtons(struct GadgetInfo *gi)
13233 {
13234   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13235   static int last_edit_mode = ED_MODE_DRAWING;
13236   static int last_custom_copy_mode = -1;
13237   static int last_button = 0;
13238   int id = gi->custom_id;
13239   int button = gi->event.button;
13240   int step = BUTTON_STEPSIZE(button);
13241   int new_element = BUTTON_ELEMENT(button);
13242   int last_properties_element = properties_element;
13243   int x, y;
13244
13245   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13246     DrawLevelText(0, 0, 0, TEXT_END);
13247
13248   if (id < ED_NUM_CTRL1_BUTTONS &&
13249       id != GADGET_ID_SINGLE_ITEMS &&
13250       id != GADGET_ID_PICK_ELEMENT &&
13251       edit_mode != ED_MODE_DRAWING &&
13252       drawing_function != GADGET_ID_PICK_ELEMENT &&
13253       !(GetKeyModState() & KMOD_Control))
13254     ChangeEditModeWindow(ED_MODE_DRAWING);
13255
13256   // element copy mode active, but no element button pressed => deactivate
13257   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13258     last_custom_copy_mode = -1;
13259
13260   // when showing palette on element buttons, change element of button used
13261   if (editor.palette.show_on_element_buttons &&
13262       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13263   {
13264     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13265
13266     id = GADGET_ID_PALETTE;
13267   }
13268
13269   switch (id)
13270   {
13271     case GADGET_ID_SCROLL_LEFT:
13272       if (level_xpos >= 0)
13273       {
13274         if (lev_fieldx < ed_fieldx - 2)
13275           break;
13276
13277         level_xpos -= step;
13278         if (level_xpos < -1)
13279           level_xpos = -1;
13280         if (button == 1)
13281           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13282         else
13283           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13284
13285         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13286                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13287       }
13288       break;
13289
13290     case GADGET_ID_SCROLL_RIGHT:
13291       if (level_xpos <= lev_fieldx - ed_fieldx)
13292       {
13293         if (lev_fieldx < ed_fieldx - 2)
13294           break;
13295
13296         level_xpos += step;
13297         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13298           level_xpos = lev_fieldx - ed_fieldx + 1;
13299         if (button == 1)
13300           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13301         else
13302           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13303
13304         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13305                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13306       }
13307       break;
13308
13309     case GADGET_ID_SCROLL_UP:
13310       if (level_ypos >= 0)
13311       {
13312         if (lev_fieldy < ed_fieldy - 2)
13313           break;
13314
13315         level_ypos -= step;
13316         if (level_ypos < -1)
13317           level_ypos = -1;
13318         if (button == 1)
13319           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13320         else
13321           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13322
13323         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13324                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13325       }
13326       break;
13327
13328     case GADGET_ID_SCROLL_DOWN:
13329       if (level_ypos <= lev_fieldy - ed_fieldy)
13330       {
13331         if (lev_fieldy < ed_fieldy - 2)
13332           break;
13333
13334         level_ypos += step;
13335         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13336           level_ypos = lev_fieldy - ed_fieldy + 1;
13337         if (button == 1)
13338           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13339         else
13340           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13341
13342         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13343                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13344       }
13345       break;
13346
13347     case GADGET_ID_SCROLL_HORIZONTAL:
13348       level_xpos = gi->event.item_position - 1;
13349
13350       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13351       BackToFront();
13352
13353       break;
13354
13355     case GADGET_ID_SCROLL_VERTICAL:
13356       level_ypos = gi->event.item_position - 1;
13357
13358       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13359       BackToFront();
13360
13361       break;
13362
13363     case GADGET_ID_SCROLL_LIST_UP:
13364     case GADGET_ID_SCROLL_LIST_DOWN:
13365     case GADGET_ID_SCROLL_LIST_VERTICAL:
13366       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13367         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13368       else
13369       {
13370         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13371         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13372
13373         if (element_shift < 0)
13374           element_shift = 0;
13375         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13376           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13377
13378         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13379                      GDI_SCROLLBAR_ITEM_POSITION,
13380                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13381       }
13382
13383       ModifyEditorElementList();
13384
13385       break;
13386
13387     case GADGET_ID_PROPERTIES:
13388       // always switch off element properties when they are already displayed
13389       last_properties_element = new_element;
13390     case GADGET_ID_ELEMENT_LEFT:
13391     case GADGET_ID_ELEMENT_MIDDLE:
13392     case GADGET_ID_ELEMENT_RIGHT:
13393       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13394                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13395                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13396                             new_element);
13397
13398       if (edit_mode != ED_MODE_PROPERTIES)
13399       {
13400         last_edit_mode = edit_mode;
13401
13402         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13403
13404         last_level_drawing_function = drawing_function;
13405         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13406                       MB_LEFTBUTTON);
13407       }
13408       else if (properties_element != last_properties_element)
13409       {
13410         DrawEditModeWindow();
13411       }
13412       else
13413       {
13414         ChangeEditModeWindow(last_edit_mode);
13415
13416         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13417                       MB_LEFTBUTTON);
13418       }
13419       break;
13420
13421     case GADGET_ID_PALETTE:
13422       if (edit_mode != ED_MODE_PALETTE)
13423       {
13424         last_edit_mode = edit_mode;
13425
13426         ChangeEditModeWindow(ED_MODE_PALETTE);
13427       }
13428       else
13429       {
13430         ChangeEditModeWindow(last_edit_mode);
13431       }
13432       break;
13433
13434     case GADGET_ID_WRAP_LEFT:
13435       WrapLevel(-step, 0);
13436       break;
13437
13438     case GADGET_ID_WRAP_RIGHT:
13439       WrapLevel(step, 0);
13440       break;
13441
13442     case GADGET_ID_WRAP_UP:
13443       WrapLevel(0, -step);
13444       break;
13445
13446     case GADGET_ID_WRAP_DOWN:
13447       WrapLevel(0, step);
13448       break;
13449
13450     case GADGET_ID_SINGLE_ITEMS:
13451     case GADGET_ID_CONNECTED_ITEMS:
13452     case GADGET_ID_LINE:
13453     case GADGET_ID_ARC:
13454     case GADGET_ID_TEXT:
13455     case GADGET_ID_RECTANGLE:
13456     case GADGET_ID_FILLED_BOX:
13457     case GADGET_ID_FLOOD_FILL:
13458     case GADGET_ID_GRAB_BRUSH:
13459     case GADGET_ID_PICK_ELEMENT:
13460       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13461         last_drawing_function = drawing_function;
13462       drawing_function = id;
13463       draw_with_brush = FALSE;
13464       break;
13465
13466     case GADGET_ID_RANDOM_PLACEMENT:
13467       RandomPlacement(new_element);
13468       break;
13469
13470     case GADGET_ID_ZOOM:
13471       // zoom level editor tile size in or out (or reset to default size)
13472       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13473                      button == 2 ? ed_tilesize_default :
13474                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13475
13476       // limit zoom level by upper and lower bound
13477       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13478
13479       InitZoomLevelSettings(ed_tilesize);
13480
13481       if (edit_mode == ED_MODE_DRAWING)
13482       {
13483         DrawDrawingWindow();
13484
13485         // redraw zoom gadget info text
13486         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13487       }
13488
13489       // save current editor zoom tilesize
13490       SaveSetup_AutoSetup();
13491
13492       break;
13493
13494     case GADGET_ID_CUSTOM_COPY_FROM:
13495     case GADGET_ID_CUSTOM_COPY_TO:
13496     case GADGET_ID_CUSTOM_EXCHANGE:
13497       last_custom_copy_mode = id;
13498       last_drawing_function = drawing_function;
13499       break;
13500
13501     case GADGET_ID_CUSTOM_COPY:
13502       CopyCustomElement(properties_element, -1, id);
13503       break;
13504
13505     case GADGET_ID_CUSTOM_PASTE:
13506       CopyCustomElement(-1, properties_element, id);
13507       break;
13508
13509     case GADGET_ID_UNDO:
13510       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13511         button = 3;
13512
13513       if (button == 1 && undo_buffer_steps == 0)
13514       {
13515         Request("Undo buffer empty!", REQ_CONFIRM);
13516
13517         break;
13518       }
13519       else if (button == 2)
13520       {
13521         break;
13522       }
13523       else if (button == 3 && redo_buffer_steps == 0)
13524       {
13525         Request("Redo buffer empty!", REQ_CONFIRM);
13526
13527         break;
13528       }
13529
13530       if (edit_mode != ED_MODE_DRAWING)
13531         ChangeEditModeWindow(ED_MODE_DRAWING);
13532
13533       if (button == 1)
13534       {
13535         // undo
13536
13537         undo_buffer_position =
13538           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13539
13540         undo_buffer_steps--;
13541         redo_buffer_steps++;
13542       }
13543       else
13544       {
13545         // redo
13546
13547         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13548
13549         undo_buffer_steps++;
13550         redo_buffer_steps--;
13551       }
13552
13553       for (x = 0; x < lev_fieldx; x++)
13554         for (y = 0; y < lev_fieldy; y++)
13555           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13556
13557       // check if undo operation forces change of border style
13558       CheckLevelBorderElement(FALSE);
13559
13560       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13561
13562       break;
13563
13564     case GADGET_ID_INFO:
13565       if (edit_mode != ED_MODE_INFO)
13566       {
13567         last_edit_mode = edit_mode;
13568
13569         ChangeEditModeWindow(ED_MODE_INFO);
13570       }
13571       else
13572       {
13573         ChangeEditModeWindow(last_edit_mode);
13574       }
13575       break;
13576
13577     case GADGET_ID_CLEAR:
13578       if (edit_mode != ED_MODE_DRAWING)
13579         ChangeEditModeWindow(ED_MODE_DRAWING);
13580
13581       for (x = 0; x < MAX_LEV_FIELDX; x++)
13582         for (y = 0; y < MAX_LEV_FIELDY; y++)
13583           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13584
13585       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13586
13587       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13588       break;
13589
13590     case GADGET_ID_SAVE:
13591     {
13592       // saving read-only levels into personal level set modifies global vars
13593       // "leveldir_current" and "level_nr"; restore them after saving level
13594       LevelDirTree *leveldir_former = leveldir_current;
13595       int level_nr_former = level_nr;
13596       char *level_filename;
13597       boolean new_level;
13598
13599       if (leveldir_current->readonly &&
13600           !PrepareSavingIntoPersonalLevelSet())
13601         break;
13602
13603       level_filename = getDefaultLevelFilename(level_nr);
13604       new_level = !fileExists(level_filename);
13605
13606       if (new_level ||
13607           Request("Save this level and kill the old?", REQ_ASK))
13608       {
13609         if (leveldir_former->readonly)
13610           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13611
13612         SetAutomaticNumberOfGemsNeeded();
13613
13614         CopyPlayfield(Feld, level.field);
13615         SaveLevel(level_nr);
13616
13617         level.changed = FALSE;
13618
13619         if (new_level)
13620         {
13621           char level_saved_msg[64];
13622
13623           if (leveldir_former->readonly)
13624             sprintf(level_saved_msg,
13625                     "Level saved as level %d into personal level set!",
13626                     level_nr);
13627           else
13628             strcpy(level_saved_msg, "Level saved!");
13629
13630           Request(level_saved_msg, REQ_CONFIRM);
13631         }
13632       }
13633
13634       // "cd" back to copied-from levelset (in case of saved read-only level)
13635       leveldir_current = leveldir_former;
13636       level_nr = level_nr_former;
13637
13638       break;
13639     }
13640
13641     case GADGET_ID_TEST:
13642       if (LevelChanged())
13643         level.game_version = GAME_VERSION_ACTUAL;
13644
13645       CopyPlayfield(level.field, FieldBackup);
13646       CopyPlayfield(Feld, level.field);
13647
13648       CopyNativeLevel_RND_to_Native(&level);
13649
13650       UnmapLevelEditorGadgets();
13651       UndrawSpecialEditorDoor();
13652
13653       CloseDoor(DOOR_CLOSE_ALL);
13654
13655       // needed before playing if editor playfield area has different size
13656       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13657
13658       // redraw_mask = REDRAW_ALL;
13659
13660       level_editor_test_game = TRUE;
13661
13662       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13663
13664       break;
13665
13666     case GADGET_ID_EXIT:
13667       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
13668       break;
13669
13670     default:
13671       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13672           id <= GADGET_ID_ELEMENTLIST_LAST)
13673       {
13674         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13675         int new_element = editor_elements[element_position + element_shift];
13676
13677         if (IS_EDITOR_CASCADE(new_element))
13678         {
13679           int i;
13680
13681           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13682           {
13683             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13684             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13685
13686             if (*cascade_element == new_element)
13687             {
13688               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13689               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13690
13691               // update element selection list
13692               ReinitializeElementList();
13693               ModifyEditorElementList();
13694
13695               // update cascading gadget info text
13696               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13697
13698               // save current editor cascading state
13699               SaveSetup_EditorCascade();
13700
13701               break;
13702             }
13703           }
13704
13705           break;
13706         }
13707
13708         if (last_custom_copy_mode != -1)
13709         {
13710           if (CopyCustomElement(properties_element, new_element,
13711                                 last_custom_copy_mode))
13712           {
13713             ClickOnGadget(level_editor_gadget[last_drawing_function],
13714                           MB_LEFTBUTTON);
13715
13716             last_custom_copy_mode = -1;
13717           }
13718
13719           break;
13720         }
13721
13722         // change element of button used to show palette
13723         if (editor.palette.show_on_element_buttons)
13724           button = last_button;
13725
13726         PickDrawingElement(button, new_element);
13727
13728         if (!stick_element_properties_window &&
13729             drawing_function != GADGET_ID_PICK_ELEMENT &&
13730             !(GetKeyModState() & KMOD_Control))
13731         {
13732           properties_element = new_element;
13733           if (edit_mode == ED_MODE_PROPERTIES)
13734             DrawPropertiesWindow();
13735         }
13736
13737         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13738           ClickOnGadget(level_editor_gadget[last_drawing_function],
13739                         MB_LEFTBUTTON);
13740
13741         if (!use_permanent_palette)
13742           ChangeEditModeWindow(last_edit_mode);
13743       }
13744 #ifdef DEBUG
13745       else if (gi->event.type == GD_EVENT_PRESSED)
13746         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13747       else if (gi->event.type == GD_EVENT_RELEASED)
13748         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13749       else if (gi->event.type == GD_EVENT_MOVING)
13750         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13751       else
13752         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13753 #endif
13754       break;
13755   }
13756 }
13757
13758 void HandleLevelEditorKeyInput(Key key)
13759 {
13760   char letter = getCharFromKey(key);
13761   int button = MB_LEFTBUTTON;
13762
13763   if (drawing_function == GADGET_ID_TEXT &&
13764       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13765   {
13766     if (letter)
13767       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13768     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13769       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13770     else if (key == KSYM_Return)
13771       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13772     else if (key == KSYM_Escape)
13773       DrawLevelText(0, 0, 0, TEXT_END);
13774   }
13775   else if (button_status == MB_RELEASED)
13776   {
13777     int id = GADGET_ID_NONE;
13778     int new_element_shift = element_shift;
13779     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13780     int i;
13781
13782     switch (key)
13783     {
13784       case KSYM_Left:
13785         id = GADGET_ID_SCROLL_LEFT;
13786         break;
13787       case KSYM_Right:
13788         id = GADGET_ID_SCROLL_RIGHT;
13789         break;
13790       case KSYM_Up:
13791         id = GADGET_ID_SCROLL_UP;
13792         break;
13793       case KSYM_Down:
13794         id = GADGET_ID_SCROLL_DOWN;
13795         break;
13796
13797       case KSYM_Page_Up:
13798       case KSYM_Page_Down:
13799         step *= (key == KSYM_Page_Up ? -1 : +1);
13800         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13801
13802         if (element_shift < 0)
13803           element_shift = 0;
13804         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13805           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13806
13807         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13808                      GDI_SCROLLBAR_ITEM_POSITION,
13809                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13810
13811         ModifyEditorElementList();
13812
13813         break;
13814
13815       case KSYM_Home:
13816       case KSYM_End:
13817         element_shift = (key == KSYM_Home ? 0 :
13818                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13819
13820         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13821                      GDI_SCROLLBAR_ITEM_POSITION,
13822                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13823
13824         ModifyEditorElementList();
13825
13826         break;
13827
13828       case KSYM_Insert:
13829       case KSYM_Delete:
13830
13831         // this is needed to prevent interference with running "True X-Mouse"
13832         if (GetKeyModStateFromEvents() & KMOD_Control)
13833           break;
13834
13835         // check for last or next editor cascade block in element list
13836         for (i = 0; i < num_editor_elements; i++)
13837         {
13838           if ((key == KSYM_Insert && i == element_shift) ||
13839               (key == KSYM_Delete && new_element_shift > element_shift))
13840             break;
13841
13842           // jump to next cascade block (or to start of element list)
13843           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13844             new_element_shift = i;
13845         }
13846
13847         if (i < num_editor_elements)
13848           element_shift = new_element_shift;
13849
13850         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13851           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13852
13853         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13854                      GDI_SCROLLBAR_ITEM_POSITION,
13855                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13856
13857         ModifyEditorElementList();
13858
13859         break;
13860
13861       case KSYM_Escape:
13862         if (edit_mode == ED_MODE_DRAWING)
13863         {
13864           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13865         }
13866         else if (edit_mode == ED_MODE_INFO)
13867         {
13868           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13869         }
13870         else if (edit_mode == ED_MODE_PROPERTIES)
13871         {
13872           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13873         }
13874         else if (edit_mode == ED_MODE_PALETTE)
13875         {
13876           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13877         }
13878         else            // should never happen
13879         {
13880           ChangeEditModeWindow(ED_MODE_DRAWING);
13881         }
13882
13883         break;
13884
13885       default:
13886         break;
13887     }
13888
13889     if (id != GADGET_ID_NONE)
13890       ClickOnGadget(level_editor_gadget[id], button);
13891     else if (letter == '1' || letter == '?')
13892       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13893     else if (letter == '2')
13894       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13895     else if (letter == '3')
13896       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13897     else if (letter == '.')
13898       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13899     else if (letter == 'U')
13900       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13901     else if (letter == '-' || key == KSYM_KP_Subtract)
13902       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13903     else if (letter == '0' || key == KSYM_KP_0)
13904       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13905     else if (letter == '+' || key == KSYM_KP_Add ||
13906              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13907       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13908     else if (key == KSYM_Return ||
13909              key == KSYM_space ||
13910              key == setup.shortcut.toggle_pause)
13911       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13912     else
13913       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13914         if (letter && letter == controlbutton_info[i].shortcut)
13915           if (!anyTextGadgetActive())
13916             ClickOnGadget(level_editor_gadget[i], button);
13917   }
13918 }
13919
13920 void HandleLevelEditorIdle(void)
13921 {
13922   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13923   int x = editor.settings.element_graphic.x + element_border;
13924   int y = editor.settings.element_graphic.y + element_border;
13925   static unsigned int action_delay = 0;
13926   unsigned int action_delay_value = GameFrameDelay;
13927   int i;
13928
13929   if (edit_mode != ED_MODE_PROPERTIES)
13930     return;
13931
13932   if (!DelayReached(&action_delay, action_delay_value))
13933     return;
13934
13935   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13936   {
13937     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13938
13939     if (gi->mapped && gi->active && gi->selectbox.open)
13940       return;
13941   }
13942
13943   DrawEditorElementAnimation(SX + x, SY + y);
13944
13945   redraw_mask |= REDRAW_FIELD;
13946
13947   FrameCounter++;       // increase animation frame counter
13948 }
13949
13950 static void ClearEditorGadgetInfoText(void)
13951 {
13952   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13953 }
13954
13955 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13956 {
13957   char infotext[MAX_OUTPUT_LINESIZE + 1];
13958   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13959   int max_infotext_len = getMaxInfoTextLength();
13960
13961   if (gi == NULL || strlen(gi->info_text) == 0)
13962     return;
13963
13964   strncpy(infotext, gi->info_text, max_infotext_len);
13965   infotext[max_infotext_len] = '\0';
13966
13967   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13968   {
13969     int key = controlbutton_info[gi->custom_id].shortcut;
13970
13971     if (key)
13972     {
13973       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13974         sprintf(shortcut, " ('.' or '%c')", key);
13975       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13976         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13977       else if (gi->custom_id == GADGET_ID_TEST)
13978         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13979       else if (gi->custom_id == GADGET_ID_UNDO)
13980         sprintf(shortcut, " ('%c/Shift-U')", key);
13981       else if (gi->custom_id == GADGET_ID_ZOOM)
13982         sprintf(shortcut, " ('%c', '0', '-')", key);
13983       else
13984         sprintf(shortcut, " ('%s%c')",
13985                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13986
13987       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13988         strcat(infotext, shortcut);
13989     }
13990   }
13991
13992   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13993 }
13994
13995 void HandleEditorGadgetInfoText(void *ptr)
13996 {
13997   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13998
13999   if (game_status != GAME_MODE_EDITOR)
14000     return;
14001
14002   ClearEditorGadgetInfoText();
14003
14004   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14005     return;
14006
14007   // misuse this function to delete brush cursor, if needed
14008   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14009     DeleteBrushFromCursor();
14010
14011   PrintEditorGadgetInfoText(gi);
14012 }
14013
14014 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14015 {
14016   static int start_lx, start_ly;
14017   int id = gi->custom_id;
14018   int type_id = gi->custom_type_id;
14019   int sx = gi->event.x;
14020   int sy = gi->event.y;
14021   int lx = sx + level_xpos;
14022   int ly = sy + level_ypos;
14023   int min_sx = 0, min_sy = 0;
14024   int max_sx = gi->drawing.area_xsize - 1;
14025   int max_sy = gi->drawing.area_ysize - 1;
14026   int actual_drawing_function = drawing_function;
14027   int max_infotext_len = getMaxInfoTextLength();
14028   char infotext[MAX_OUTPUT_LINESIZE + 1];
14029   char *text;
14030
14031   infotext[0] = '\0';           // start with empty info text
14032
14033   // pressed Control key: simulate picking element
14034   if (GetKeyModState() & KMOD_Control)
14035     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14036
14037   ClearEditorGadgetInfoText();
14038
14039   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14040     return;
14041
14042   // make sure to stay inside drawing area boundaries
14043   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14044   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14045
14046   if (id == GADGET_ID_DRAWING_LEVEL)
14047   {
14048     if (button_status)
14049     {
14050       int min_lx = 0, min_ly = 0;
14051       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14052
14053       // get positions inside level field
14054       lx = sx + level_xpos;
14055       ly = sy + level_ypos;
14056
14057       // make sure to stay inside level field boundaries
14058       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14059       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14060
14061       // correct drawing area positions accordingly
14062       sx = lx - level_xpos;
14063       sy = ly - level_ypos;
14064     }
14065
14066     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14067     {
14068       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14069       {
14070         if (gi->event.type == GD_EVENT_PRESSED)
14071         {
14072           start_lx = lx;
14073           start_ly = ly;
14074         }
14075
14076         switch (actual_drawing_function)
14077         {
14078           case GADGET_ID_SINGLE_ITEMS:
14079             text = "Drawing single items";
14080             break;
14081           case GADGET_ID_CONNECTED_ITEMS:
14082             text = "Drawing connected items";
14083             break;
14084           case GADGET_ID_LINE:
14085             text = "Drawing line";
14086             break;
14087           case GADGET_ID_ARC:
14088             text = "Drawing arc";
14089             break;
14090           case GADGET_ID_TEXT:
14091             text = "Setting text cursor";
14092             break;
14093           case GADGET_ID_RECTANGLE:
14094             text = "Drawing rectangle";
14095             break;
14096           case GADGET_ID_FILLED_BOX:
14097             text = "Drawing filled box";
14098             break;
14099           case GADGET_ID_FLOOD_FILL:
14100             text = "Flood fill";
14101             break;
14102           case GADGET_ID_GRAB_BRUSH:
14103             text = "Grabbing brush";
14104             break;
14105           case GADGET_ID_PICK_ELEMENT:
14106             text = "Picking element";
14107             break;
14108
14109           default:
14110             text = "Drawing position";
14111             break;
14112         }
14113
14114         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14115           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14116         else
14117           sprintf(infotext, "%s: %d, %d", text,
14118                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14119       }
14120       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14121         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14122       else
14123         sprintf(infotext, "Level position: %d, %d", lx, ly);
14124     }
14125
14126     // misuse this function to draw brush cursor, if needed
14127     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14128     {
14129       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14130         CopyBrushToCursor(sx, sy);
14131       else
14132         DeleteBrushFromCursor();
14133     }
14134   }
14135   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14136   {
14137     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14138     int element = drawingarea_info[type_id].value[pos];
14139
14140     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14141   }
14142   else
14143   {
14144     if (id == GADGET_ID_CUSTOM_CONTENT)
14145       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14146     else if (id == GADGET_ID_GROUP_CONTENT)
14147       sprintf(infotext, "group element position: %d", sx + 1);
14148     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14149              id <= GADGET_ID_YAMYAM_CONTENT_7)
14150       sprintf(infotext, "content area %d position: %d, %d",
14151               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14152     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14153              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14154       sprintf(infotext, "content area %d position: %d, %d",
14155               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14156     else if (id == GADGET_ID_ANDROID_CONTENT)
14157       sprintf(infotext, "android element position: %d", sx + 1);
14158     else if (drawingarea_info[type_id].infotext != NULL)
14159       strcpy(infotext, drawingarea_info[type_id].infotext);
14160   }
14161
14162   infotext[max_infotext_len] = '\0';
14163
14164   if (strlen(infotext) > 0)
14165     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14166 }
14167
14168 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14169                             boolean quick_quit)
14170 {
14171   if (!ask_if_level_has_changed ||
14172       !LevelChanged() ||
14173       Request("Level has changed! Exit without saving?",
14174               REQ_ASK | REQ_STAY_OPEN))
14175   {
14176     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14177     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14178
14179     // draw normal door
14180     UndrawSpecialEditorDoor();
14181
14182     // use door animation if door 1 viewport is unchanged and contains toolbox
14183     if (useEditorDoorAnimation())
14184       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14185
14186     // close editor doors if viewport definition is the same as in main menu
14187     if (vp_door_1->x      == DX     &&
14188         vp_door_1->y      == DY     &&
14189         vp_door_1->width  == DXSIZE &&
14190         vp_door_1->height == DYSIZE &&
14191         vp_door_2->x      == VX     &&
14192         vp_door_2->y      == VY     &&
14193         vp_door_2->width  == VXSIZE &&
14194         vp_door_2->height == VYSIZE)
14195       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14196     else
14197       SetDoorState(DOOR_CLOSE_2);
14198
14199     BackToFront();
14200
14201     if (quick_quit)
14202       FadeSkipNextFadeIn();
14203
14204     SetGameStatus(GAME_MODE_MAIN);
14205
14206     DrawMainMenu();
14207   }
14208   else
14209   {
14210     if (!global.use_envelope_request)
14211     {
14212       CloseDoor(DOOR_CLOSE_1);
14213       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14214     }
14215   }
14216 }