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 //                  https://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_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_INFO,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_MM_BALL_CONTENT_DOWN,
 463   GADGET_ID_MM_BALL_CONTENT_TEXT,
 464   GADGET_ID_MM_BALL_CONTENT_UP,
 465   GADGET_ID_CUSTOM_SCORE_DOWN,
 466   GADGET_ID_CUSTOM_SCORE_TEXT,
 467   GADGET_ID_CUSTOM_SCORE_UP,
 468   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 469   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 470   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 471   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 474   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 475   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 476   GADGET_ID_CUSTOM_VALUE_RND_UP,
 477   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 478   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 479   GADGET_ID_PUSH_DELAY_FIX_UP,
 480   GADGET_ID_PUSH_DELAY_RND_DOWN,
 481   GADGET_ID_PUSH_DELAY_RND_TEXT,
 482   GADGET_ID_PUSH_DELAY_RND_UP,
 483   GADGET_ID_DROP_DELAY_FIX_DOWN,
 484   GADGET_ID_DROP_DELAY_FIX_TEXT,
 485   GADGET_ID_DROP_DELAY_FIX_UP,
 486   GADGET_ID_DROP_DELAY_RND_DOWN,
 487   GADGET_ID_DROP_DELAY_RND_TEXT,
 488   GADGET_ID_DROP_DELAY_RND_UP,
 489   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 490   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 491   GADGET_ID_MOVE_DELAY_FIX_UP,
 492   GADGET_ID_MOVE_DELAY_RND_DOWN,
 493   GADGET_ID_MOVE_DELAY_RND_TEXT,
 494   GADGET_ID_MOVE_DELAY_RND_UP,
 495   GADGET_ID_STEP_DELAY_FIX_DOWN,
 496   GADGET_ID_STEP_DELAY_FIX_TEXT,
 497   GADGET_ID_STEP_DELAY_FIX_UP,
 498   GADGET_ID_STEP_DELAY_RND_DOWN,
 499   GADGET_ID_STEP_DELAY_RND_TEXT,
 500   GADGET_ID_STEP_DELAY_RND_UP,
 501   GADGET_ID_EXPLOSION_DELAY_DOWN,
 502   GADGET_ID_EXPLOSION_DELAY_TEXT,
 503   GADGET_ID_EXPLOSION_DELAY_UP,
 504   GADGET_ID_IGNITION_DELAY_DOWN,
 505   GADGET_ID_IGNITION_DELAY_TEXT,
 506   GADGET_ID_IGNITION_DELAY_UP,
 507   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 508   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 509   GADGET_ID_CHANGE_DELAY_FIX_UP,
 510   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 511   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 512   GADGET_ID_CHANGE_DELAY_RND_UP,
 513   GADGET_ID_CHANGE_CONT_RND_DOWN,
 514   GADGET_ID_CHANGE_CONT_RND_TEXT,
 515   GADGET_ID_CHANGE_CONT_RND_UP,
 516   GADGET_ID_GROUP_CONTENT_DOWN,
 517   GADGET_ID_GROUP_CONTENT_TEXT,
 518   GADGET_ID_GROUP_CONTENT_UP,
 519
 520   // drawing area identifiers
 521
 522   GADGET_ID_DRAWING_LEVEL,
 523   GADGET_ID_YAMYAM_CONTENT_0,
 524   GADGET_ID_YAMYAM_CONTENT_1,
 525   GADGET_ID_YAMYAM_CONTENT_2,
 526   GADGET_ID_YAMYAM_CONTENT_3,
 527   GADGET_ID_YAMYAM_CONTENT_4,
 528   GADGET_ID_YAMYAM_CONTENT_5,
 529   GADGET_ID_YAMYAM_CONTENT_6,
 530   GADGET_ID_YAMYAM_CONTENT_7,
 531   GADGET_ID_MAGIC_BALL_CONTENT_0,
 532   GADGET_ID_MAGIC_BALL_CONTENT_1,
 533   GADGET_ID_MAGIC_BALL_CONTENT_2,
 534   GADGET_ID_MAGIC_BALL_CONTENT_3,
 535   GADGET_ID_MAGIC_BALL_CONTENT_4,
 536   GADGET_ID_MAGIC_BALL_CONTENT_5,
 537   GADGET_ID_MAGIC_BALL_CONTENT_6,
 538   GADGET_ID_MAGIC_BALL_CONTENT_7,
 539   GADGET_ID_ANDROID_CONTENT,
 540   GADGET_ID_AMOEBA_CONTENT,
 541   GADGET_ID_START_ELEMENT,
 542   GADGET_ID_ARTWORK_ELEMENT,
 543   GADGET_ID_EXPLOSION_ELEMENT,
 544   GADGET_ID_INVENTORY_CONTENT,
 545   GADGET_ID_MM_BALL_CONTENT,
 546   GADGET_ID_CUSTOM_GRAPHIC,
 547   GADGET_ID_CUSTOM_CONTENT,
 548   GADGET_ID_CUSTOM_MOVE_ENTER,
 549   GADGET_ID_CUSTOM_MOVE_LEAVE,
 550   GADGET_ID_CUSTOM_CHANGE_TARGET,
 551   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 552   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 553   GADGET_ID_CUSTOM_CHANGE_ACTION,
 554   GADGET_ID_GROUP_CONTENT,
 555   GADGET_ID_RANDOM_BACKGROUND,
 556
 557   // text input identifiers
 558
 559   GADGET_ID_LEVEL_NAME,
 560   GADGET_ID_LEVEL_AUTHOR,
 561   GADGET_ID_LEVELSET_NAME,
 562   GADGET_ID_LEVELSET_AUTHOR,
 563   GADGET_ID_ELEMENT_NAME,
 564
 565   // text area identifiers
 566
 567   GADGET_ID_ENVELOPE_INFO,
 568
 569   // selectbox identifiers
 570
 571   GADGET_ID_TIME_OR_STEPS,
 572   GADGET_ID_TIME_SCORE_BASE,
 573   GADGET_ID_GAME_ENGINE_TYPE,
 574   GADGET_ID_LEVELSET_SAVE_MODE,
 575   GADGET_ID_WIND_DIRECTION,
 576   GADGET_ID_PLAYER_SPEED,
 577   GADGET_ID_MM_BALL_CHOICE_MODE,
 578   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 579   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 580   GADGET_ID_CUSTOM_DEADLINESS,
 581   GADGET_ID_CUSTOM_MOVE_PATTERN,
 582   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 583   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 584   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 585   GADGET_ID_CUSTOM_SMASH_TARGETS,
 586   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 587   GADGET_ID_CUSTOM_ACCESS_TYPE,
 588   GADGET_ID_CUSTOM_ACCESS_LAYER,
 589   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 590   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 591   GADGET_ID_CHANGE_TIME_UNITS,
 592   GADGET_ID_CHANGE_DIRECT_ACTION,
 593   GADGET_ID_CHANGE_OTHER_ACTION,
 594   GADGET_ID_CHANGE_SIDE,
 595   GADGET_ID_CHANGE_PLAYER,
 596   GADGET_ID_CHANGE_PAGE,
 597   GADGET_ID_CHANGE_REPLACE_WHEN,
 598   GADGET_ID_ACTION_TYPE,
 599   GADGET_ID_ACTION_MODE,
 600   GADGET_ID_ACTION_ARG,
 601   GADGET_ID_SELECT_CHANGE_PAGE,
 602   GADGET_ID_GROUP_CHOICE_MODE,
 603
 604   // textbutton identifiers
 605
 606   GADGET_ID_LEVELINFO_LEVEL,
 607   GADGET_ID_LEVELINFO_LEVELSET,
 608   GADGET_ID_LEVELINFO_EDITOR,
 609   GADGET_ID_PROPERTIES_INFO,
 610   GADGET_ID_PROPERTIES_CONFIG,
 611   GADGET_ID_PROPERTIES_CONFIG_1,
 612   GADGET_ID_PROPERTIES_CONFIG_2,
 613   GADGET_ID_PROPERTIES_CHANGE,
 614   GADGET_ID_SAVE_AS_TEMPLATE_1,
 615   GADGET_ID_SAVE_AS_TEMPLATE_2,
 616   GADGET_ID_SAVE_LEVELSET,
 617   GADGET_ID_ADD_CHANGE_PAGE,
 618   GADGET_ID_DEL_CHANGE_PAGE,
 619
 620   // graphicbutton identifiers
 621
 622   GADGET_ID_PREV_CHANGE_PAGE,
 623   GADGET_ID_NEXT_CHANGE_PAGE,
 624   GADGET_ID_COPY_CHANGE_PAGE,
 625   GADGET_ID_PASTE_CHANGE_PAGE,
 626
 627   // gadgets for scrolling of drawing area
 628
 629   GADGET_ID_SCROLL_UP,
 630   GADGET_ID_SCROLL_DOWN,
 631   GADGET_ID_SCROLL_LEFT,
 632   GADGET_ID_SCROLL_RIGHT,
 633   GADGET_ID_SCROLL_HORIZONTAL,
 634   GADGET_ID_SCROLL_VERTICAL,
 635
 636   // gadgets for scrolling element list
 637
 638   GADGET_ID_SCROLL_LIST_UP,
 639   GADGET_ID_SCROLL_LIST_DOWN,
 640   GADGET_ID_SCROLL_LIST_VERTICAL,
 641
 642   // checkbuttons/radiobuttons for level/element properties
 643
 644   GADGET_ID_AUTO_COUNT_GEMS,
 645   GADGET_ID_RATE_TIME_OVER_SCORE,
 646   GADGET_ID_USE_LEVELSET_ARTWORK,
 647   GADGET_ID_COPY_LEVEL_TEMPLATE,
 648   GADGET_ID_RANDOM_PERCENTAGE,
 649   GADGET_ID_RANDOM_QUANTITY,
 650   GADGET_ID_RANDOM_RESTRICTED,
 651   GADGET_ID_STICK_ELEMENT,
 652   GADGET_ID_EM_SLIPPERY_GEMS,
 653   GADGET_ID_EM_EXPLODES_BY_FIRE,
 654   GADGET_ID_USE_SPRING_BUG,
 655   GADGET_ID_USE_TIME_ORB_BUG,
 656   GADGET_ID_USE_LIFE_BUGS,
 657   GADGET_ID_RANDOM_BALL_CONTENT,
 658   GADGET_ID_INITIAL_BALL_ACTIVE,
 659   GADGET_ID_GROW_INTO_DIGGABLE,
 660   GADGET_ID_SB_FIELDS_NEEDED,
 661   GADGET_ID_SB_OBJECTS_NEEDED,
 662   GADGET_ID_AUTO_EXIT_SOKOBAN,
 663   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 664   GADGET_ID_FINISH_DIG_COLLECT,
 665   GADGET_ID_KEEP_WALKABLE_CE,
 666   GADGET_ID_CONTINUOUS_SNAPPING,
 667   GADGET_ID_BLOCK_SNAP_FIELD,
 668   GADGET_ID_BLOCK_LAST_FIELD,
 669   GADGET_ID_SP_BLOCK_LAST_FIELD,
 670   GADGET_ID_INSTANT_RELOCATION,
 671   GADGET_ID_SHIFTED_RELOCATION,
 672   GADGET_ID_LAZY_RELOCATION,
 673   GADGET_ID_USE_START_ELEMENT,
 674   GADGET_ID_USE_ARTWORK_ELEMENT,
 675   GADGET_ID_USE_EXPLOSION_ELEMENT,
 676   GADGET_ID_INITIAL_GRAVITY,
 677   GADGET_ID_USE_INITIAL_INVENTORY,
 678   GADGET_ID_CAN_PASS_TO_WALKABLE,
 679   GADGET_ID_CAN_FALL_INTO_ACID,
 680   GADGET_ID_CAN_MOVE_INTO_ACID,
 681   GADGET_ID_DONT_COLLIDE_WITH,
 682   GADGET_ID_ENVELOPE_AUTOWRAP,
 683   GADGET_ID_ENVELOPE_CENTERED,
 684   GADGET_ID_MM_LASER_RED,
 685   GADGET_ID_MM_LASER_GREEN,
 686   GADGET_ID_MM_LASER_BLUE,
 687   GADGET_ID_DF_LASER_RED,
 688   GADGET_ID_DF_LASER_GREEN,
 689   GADGET_ID_DF_LASER_BLUE,
 690   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 691   GADGET_ID_EXPLODE_MM_BALL,
 692   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 693   GADGET_ID_CUSTOM_CAN_EXPLODE,
 694   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 695   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 696   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 697   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 698   GADGET_ID_CUSTOM_DEADLY,
 699   GADGET_ID_CUSTOM_CAN_MOVE,
 700   GADGET_ID_CUSTOM_CAN_FALL,
 701   GADGET_ID_CUSTOM_CAN_SMASH,
 702   GADGET_ID_CUSTOM_SLIPPERY,
 703   GADGET_ID_CUSTOM_ACCESSIBLE,
 704   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 705   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 706   GADGET_ID_CUSTOM_USE_GRAPHIC,
 707   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 708   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 709   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 710   GADGET_ID_CUSTOM_CAN_CHANGE,
 711   GADGET_ID_CHANGE_USE_CONTENT,
 712   GADGET_ID_CHANGE_USE_EXPLOSION,
 713   GADGET_ID_CHANGE_ONLY_COMPLETE,
 714   GADGET_ID_CHANGE_USE_RANDOM,
 715   GADGET_ID_CHANGE_HAS_ACTION,
 716   GADGET_ID_CHANGE_DELAY,
 717   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 718   GADGET_ID_CHANGE_BY_OTHER_ACT,
 719
 720   NUM_STATIC_GADGET_IDS
 721 };
 722
 723 // gadgets for buttons in element list (dynamic)
 724 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 725 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 726                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 727
 728 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 729
 730 // radio button numbers
 731 enum
 732 {
 733   RADIO_NR_NONE,
 734   RADIO_NR_DRAWING_TOOLBOX,
 735   RADIO_NR_RANDOM_ELEMENTS
 736 };
 737
 738 // values for counter gadgets
 739 enum
 740 {
 741   ED_COUNTER_ID_SELECT_LEVEL,
 742   ED_COUNTER_ID_LEVEL_XSIZE,
 743   ED_COUNTER_ID_LEVEL_YSIZE,
 744   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 745   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 746   ED_COUNTER_ID_LEVEL_TIMESCORE,
 747   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 748   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 749   ED_COUNTER_ID_LEVEL_RANDOM,
 750   ED_COUNTER_ID_ELEMENT_VALUE1,
 751   ED_COUNTER_ID_ELEMENT_VALUE2,
 752   ED_COUNTER_ID_ELEMENT_VALUE3,
 753   ED_COUNTER_ID_ELEMENT_VALUE4,
 754   ED_COUNTER_ID_YAMYAM_CONTENT,
 755   ED_COUNTER_ID_BALL_CONTENT,
 756   ED_COUNTER_ID_ANDROID_CONTENT,
 757   ED_COUNTER_ID_ENVELOPE_XSIZE,
 758   ED_COUNTER_ID_ENVELOPE_YSIZE,
 759   ED_COUNTER_ID_INVENTORY_SIZE,
 760   ED_COUNTER_ID_MM_BALL_CONTENT,
 761   ED_COUNTER_ID_CUSTOM_SCORE,
 762   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 763   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 764   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 765   ED_COUNTER_ID_PUSH_DELAY_FIX,
 766   ED_COUNTER_ID_PUSH_DELAY_RND,
 767   ED_COUNTER_ID_DROP_DELAY_FIX,
 768   ED_COUNTER_ID_DROP_DELAY_RND,
 769   ED_COUNTER_ID_MOVE_DELAY_FIX,
 770   ED_COUNTER_ID_MOVE_DELAY_RND,
 771   ED_COUNTER_ID_STEP_DELAY_FIX,
 772   ED_COUNTER_ID_STEP_DELAY_RND,
 773   ED_COUNTER_ID_EXPLOSION_DELAY,
 774   ED_COUNTER_ID_IGNITION_DELAY,
 775   ED_COUNTER_ID_GROUP_CONTENT,
 776   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 777   ED_COUNTER_ID_CHANGE_DELAY_RND,
 778   ED_COUNTER_ID_CHANGE_CONT_RND,
 779
 780   ED_NUM_COUNTERBUTTONS
 781 };
 782
 783 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 784 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 785 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 786 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 787 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 788 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 789
 790 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 791 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 792 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 793 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 794 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 795 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 796
 797 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 798 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 799
 800 // values for scrollbutton gadgets
 801 enum
 802 {
 803   ED_SCROLLBUTTON_ID_AREA_UP,
 804   ED_SCROLLBUTTON_ID_AREA_DOWN,
 805   ED_SCROLLBUTTON_ID_AREA_LEFT,
 806   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 807   ED_SCROLLBUTTON_ID_LIST_UP,
 808   ED_SCROLLBUTTON_ID_LIST_DOWN,
 809
 810   ED_NUM_SCROLLBUTTONS
 811 };
 812
 813 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 814 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 815
 816 // values for scrollbar gadgets
 817 enum
 818 {
 819   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 820   ED_SCROLLBAR_ID_AREA_VERTICAL,
 821   ED_SCROLLBAR_ID_LIST_VERTICAL,
 822
 823   ED_NUM_SCROLLBARS
 824 };
 825
 826 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 827 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 828
 829 // values for text input gadgets
 830 enum
 831 {
 832   ED_TEXTINPUT_ID_LEVEL_NAME,
 833   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 834   ED_TEXTINPUT_ID_LEVELSET_NAME,
 835   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 836   ED_TEXTINPUT_ID_ELEMENT_NAME,
 837
 838   ED_NUM_TEXTINPUT
 839 };
 840
 841 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 842 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 843
 844 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 845 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 846
 847 // values for text area gadgets
 848 enum
 849 {
 850   ED_TEXTAREA_ID_ENVELOPE_INFO,
 851
 852   ED_NUM_TEXTAREAS
 853 };
 854
 855 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 856 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 857
 858 // values for selectbox gadgets
 859 enum
 860 {
 861   ED_SELECTBOX_ID_TIME_OR_STEPS,
 862   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 863   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 864   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 865   ED_SELECTBOX_ID_WIND_DIRECTION,
 866   ED_SELECTBOX_ID_PLAYER_SPEED,
 867   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 868   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 869   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 870   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 871   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 872   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 873   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 874   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 875   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 876   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 877   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 878   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 879   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 880   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 881   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 882   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 883   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 884   ED_SELECTBOX_ID_CHANGE_SIDE,
 885   ED_SELECTBOX_ID_CHANGE_PLAYER,
 886   ED_SELECTBOX_ID_CHANGE_PAGE,
 887   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 888   ED_SELECTBOX_ID_ACTION_TYPE,
 889   ED_SELECTBOX_ID_ACTION_MODE,
 890   ED_SELECTBOX_ID_ACTION_ARG,
 891   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 892   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 893
 894   ED_NUM_SELECTBOX
 895 };
 896
 897 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 898 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 899
 900 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 901 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 902
 903 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 904 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 905 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 906 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 907 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 908 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 909
 910 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 911 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 912
 913 // values for textbutton gadgets
 914 enum
 915 {
 916   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 917   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 918   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 919   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 920   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 921   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 922   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 923   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 924   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 925   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 926   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 927   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 928   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 929
 930   ED_NUM_TEXTBUTTONS
 931 };
 932
 933 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 934 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 935
 936 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 937 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 938
 939 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 940 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 941
 942 // values for graphicbutton gadgets
 943 enum
 944 {
 945   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 946   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 947   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 948   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 949
 950   ED_NUM_GRAPHICBUTTONS
 951 };
 952
 953 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 954 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 955
 956 // values for checkbutton gadgets
 957 enum
 958 {
 959   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 960   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 961   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 962   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 963   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 964   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 965   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 966   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 967   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 968   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 969   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 970   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 971   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 972   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 973   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 974   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 975   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 976   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 977   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 978   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 979   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 980   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 981   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 982   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 983   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 984   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 985   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 986   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 987   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 988   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 989   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 990   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 991   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 992   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 993   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 994   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 995   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 996   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 997   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 998   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 999   ED_CHECKBUTTON_ID_MM_LASER_RED,
1000   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1001   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1002   ED_CHECKBUTTON_ID_DF_LASER_RED,
1003   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1004   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1005   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1006   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1007   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1008   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1009   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1010   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1011   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1012   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1013   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1014   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1015   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1016   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1017   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1018   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1019   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1020   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1021   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1022   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1023   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1024   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1025   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1026   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1027   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1028   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1029   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1030   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1031   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1032
1033   ED_NUM_CHECKBUTTONS
1034 };
1035
1036 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1037 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1038
1039 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1040 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1041
1042 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1043 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1044
1045 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1046 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1047 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1048 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1049 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1050 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1051
1052 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1053 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1054
1055 // values for radiobutton gadgets
1056 enum
1057 {
1058   ED_RADIOBUTTON_ID_PERCENTAGE,
1059   ED_RADIOBUTTON_ID_QUANTITY,
1060
1061   ED_NUM_RADIOBUTTONS
1062 };
1063
1064 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1065 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1066
1067 // values for drawing area gadgets
1068 enum
1069 {
1070   ED_DRAWING_ID_DRAWING_LEVEL,
1071   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1072   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1073   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1074   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1075   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1076   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1077   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1078   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1079   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1080   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1081   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1082   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1083   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1084   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1085   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1086   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1087   ED_DRAWING_ID_ANDROID_CONTENT,
1088   ED_DRAWING_ID_AMOEBA_CONTENT,
1089   ED_DRAWING_ID_START_ELEMENT,
1090   ED_DRAWING_ID_ARTWORK_ELEMENT,
1091   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1092   ED_DRAWING_ID_INVENTORY_CONTENT,
1093   ED_DRAWING_ID_MM_BALL_CONTENT,
1094   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1095   ED_DRAWING_ID_CUSTOM_CONTENT,
1096   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1097   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1098   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1099   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1100   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1101   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1102   ED_DRAWING_ID_GROUP_CONTENT,
1103   ED_DRAWING_ID_RANDOM_BACKGROUND,
1104
1105   ED_NUM_DRAWING_AREAS
1106 };
1107
1108 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1109 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1110
1111
1112 // ----------------------------------------------------------------------------
1113 // some internally used definitions
1114 // ----------------------------------------------------------------------------
1115
1116 // values for CopyLevelToUndoBuffer()
1117 #define UNDO_IMMEDIATE                  0
1118 #define UNDO_ACCUMULATE                 1
1119
1120 // values for scrollbars
1121 #define ED_SCROLL_NO                    0
1122 #define ED_SCROLL_LEFT                  1
1123 #define ED_SCROLL_RIGHT                 2
1124 #define ED_SCROLL_UP                    4
1125 #define ED_SCROLL_DOWN                  8
1126
1127 // screens in the level editor
1128 #define ED_MODE_DRAWING                 0
1129 #define ED_MODE_INFO                    1
1130 #define ED_MODE_PROPERTIES              2
1131 #define ED_MODE_PALETTE                 3
1132
1133 // sub-screens in the global settings section
1134 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1135 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1136 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1137
1138 // sub-screens in the element properties section
1139 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1140 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1141 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1142 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1143 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1144
1145 // how many steps can be cancelled
1146 #define NUM_UNDO_STEPS                  (64 + 1)
1147
1148 // values for elements with score for certain actions
1149 #define MIN_SCORE                       0
1150 #define MAX_SCORE                       999
1151
1152 // values for elements with count for collecting
1153 #define MIN_COLLECT_COUNT               0
1154 #define MAX_COLLECT_COUNT               999
1155
1156 // values for random placement
1157 #define RANDOM_USE_PERCENTAGE           0
1158 #define RANDOM_USE_QUANTITY             1
1159
1160 // values for level set save mode
1161 #define LEVELSET_SAVE_MODE_UPDATE       0
1162 #define LEVELSET_SAVE_MODE_CREATE       1
1163
1164 // default value for element tile size in drawing area
1165 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1166 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1167
1168
1169 // ----------------------------------------------------------------------------
1170 // some internally used data structure definitions
1171 // ----------------------------------------------------------------------------
1172
1173 static struct
1174 {
1175   int graphic;
1176   int gadget_id;
1177   struct XYTileSize *pos;
1178   int gadget_type;
1179   char *infotext;
1180   char shortcut;
1181 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1182 {
1183   // note: some additional characters are already reserved for "cheat mode"
1184   // shortcuts (":XYZ" style) -- for details, see "events.c"
1185
1186   // ---------- toolbox control buttons ---------------------------------------
1187
1188   {
1189     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1190     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1191     "draw single items",                        's'
1192   },
1193   {
1194     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1195     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1196     "draw connected items",                     'd'
1197   },
1198   {
1199     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1200     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1201     "draw lines",                               'l'
1202   },
1203   {
1204     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1205     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1206     "draw arcs",                                'a'
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1210     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1211     "draw outline rectangles",                  'r'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1215     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1216     "draw filled rectangles",                   'R'
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1220     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1221     "wrap (rotate) level up",                   0
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1225     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1226     "enter text elements",                      't'
1227   },
1228   {
1229     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1230     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1231     "flood fill",                               'f'
1232   },
1233   {
1234     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1235     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1236     "wrap (rotate) level left",                 0
1237   },
1238   {
1239     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1240     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1241     "zoom level tile size",                     '+'
1242   },
1243   {
1244     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1245     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1246     "wrap (rotate) level right",                0
1247   },
1248   {
1249     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1250     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1251     "random element placement",                 0
1252   },
1253   {
1254     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1255     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1256     "grab brush",                               'b'
1257   },
1258   {
1259     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1260     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1261     "wrap (rotate) level down",                 0
1262   },
1263   {
1264     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1265     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1266     "pick drawing element",                     ','
1267   },
1268
1269   // ---------- level control buttons -----------------------------------------
1270
1271   {
1272     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1273     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1274     "undo/redo last operation",                 'u'
1275   },
1276   {
1277     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1278     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1279     "properties of level",                      'I'
1280   },
1281   {
1282     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1283     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1284     "save level",                               'S'
1285   },
1286   {
1287     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1288     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1289     "clear level",                              'C'
1290   },
1291   {
1292     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1293     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1294     "test level",                               'T'
1295   },
1296   {
1297     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1298     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1299     "exit level editor",                        'E'
1300   },
1301
1302   // ---------- CE and GE control buttons -------------------------------------
1303
1304   {
1305     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1306     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1307     "copy settings from other element",         0
1308   },
1309   {
1310     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1311     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1312     "copy settings to other element",           0
1313   },
1314   {
1315     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1316     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1317     "exchange element with other element",      0
1318   },
1319   {
1320     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1321     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1322     "copy settings from this element",          0
1323   },
1324   {
1325     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1326     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1327     "paste settings to this element",           0
1328   },
1329
1330   // ---------- palette control buttons ---------------------------------------
1331
1332   {
1333     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1334     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1335     "properties of drawing element",            'p'
1336   },
1337   {
1338     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1339     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1340     "properties of drawing element 1",          '1'
1341   },
1342   {
1343     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1344     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1345     "properties of drawing element 2",          '2'
1346   },
1347   {
1348     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1349     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1350     "properties of drawing element 3",          '3'
1351   },
1352   {
1353     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1354     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1355     "show list of elements",                    'e'
1356   }
1357 };
1358
1359 static int random_placement_value = 10;
1360 static int random_placement_method = RANDOM_USE_QUANTITY;
1361 static int random_placement_background_element = EL_SAND;
1362 static boolean random_placement_background_restricted = FALSE;
1363 static boolean stick_element_properties_window = FALSE;
1364 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1365 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1366 static struct ElementChangeInfo custom_element_change;
1367 static struct ElementGroupInfo group_element_info;
1368 static struct ElementInfo custom_element;
1369
1370 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1371 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1372 static int levelset_num_levels = 100;
1373 static boolean levelset_use_levelset_artwork = FALSE;
1374 static boolean levelset_copy_level_template = FALSE;
1375 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1376
1377 static struct
1378 {
1379   int x, y;
1380   int min_value, max_value;
1381   int gadget_id_down, gadget_id_up;
1382   int gadget_id_text;
1383   int gadget_id_align;
1384   int *value;
1385   char *text_above, *text_left, *text_right;
1386 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1387 {
1388   // ---------- current level number ------------------------------------------
1389
1390   {
1391     -1, -1,     // these values are not constant, but can change at runtime
1392     1,                                  100,
1393     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1394     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1395     &level_nr,
1396     NULL,                               NULL, NULL
1397   },
1398
1399   // ---------- level and editor settings -------------------------------------
1400
1401   {
1402     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1403     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1404     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1405     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1406     &level.fieldx,
1407     "playfield size:",                  NULL, "width",
1408   },
1409   {
1410     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1411     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1412     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1413     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1414     &level.fieldy,
1415     NULL,                               " ", "height",
1416   },
1417   {
1418     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1419     0,                                  999,
1420     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1421     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1422     &level.gems_needed,
1423     NULL,                               "number of gems to collect:", NULL
1424   },
1425   {
1426     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1427     0,                                  9999,
1428     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1429     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1430     &level.time,
1431     "time or step limit to solve level:", NULL, NULL
1432   },
1433   {
1434     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1435     0,                                  999,
1436     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1437     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1438     &level.score[SC_TIME_BONUS],
1439     "score for time or steps left:",    NULL, NULL
1440   },
1441   {
1442     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1443     0,                                  9999,
1444     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1445     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1446     &level.random_seed,
1447     NULL,                               "random seed:", "(0 => random)"
1448   },
1449   {
1450     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1451     1,                                  MAX_LEVELS,
1452     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1453     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1454     &levelset_num_levels,
1455     "number of levels:",                NULL, NULL,
1456   },
1457   {
1458     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1459     1,                                  100,
1460     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1461     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1462     &random_placement_value,
1463     "random element placement:",        NULL, "in"
1464   },
1465
1466   // ---------- element settings: configure (various elements) ----------------
1467
1468   {
1469     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1470     MIN_SCORE,                          MAX_SCORE,
1471     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1472     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1473     NULL,                               // will be set when used
1474     NULL,                               NULL, NULL
1475   },
1476   {
1477     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1478     MIN_SCORE,                          MAX_SCORE,
1479     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1480     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1481     NULL,                               // will be set when used
1482     NULL,                               NULL, NULL
1483   },
1484   {
1485     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1486     MIN_SCORE,                          MAX_SCORE,
1487     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1488     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1489     NULL,                               // will be set when used
1490     NULL,                               NULL, NULL
1491   },
1492   {
1493     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1494     MIN_SCORE,                          MAX_SCORE,
1495     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1496     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1497     NULL,                               // will be set when used
1498     NULL,                               NULL, NULL
1499   },
1500   {
1501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1502     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1503     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1504     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1505     &level.num_yamyam_contents,
1506     NULL,                               NULL, "number of content areas"
1507   },
1508   {
1509     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1510     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1511     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1512     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1513     &level.num_ball_contents,
1514     NULL,                               NULL, "number of content areas"
1515   },
1516   {
1517     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1518     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1519     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1520     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1521     &level.num_android_clone_elements,
1522     NULL,                               NULL, "number of clonable elements"
1523   },
1524   {
1525     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1526     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1527     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1528     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1529     NULL,                               // will be set when used
1530     NULL,                               NULL, "width",
1531   },
1532   {
1533     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1534     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1535     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1536     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1537     NULL,                               // will be set when used
1538     NULL,                               " ", "height",
1539   },
1540   {
1541     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1542     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1543     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1544     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1545     &level.initial_inventory_size[0],
1546     NULL,                               NULL, "number of inventory elements"
1547   },
1548   {
1549     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1550     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1551     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1552     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1553     &level.num_mm_ball_contents,
1554     NULL,                               NULL, "number of content elements"
1555   },
1556
1557   // ---------- element settings: configure 1 (custom elements) ---------------
1558
1559   {
1560     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1561     MIN_SCORE,                          MAX_SCORE,
1562     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1563     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1564     &custom_element.collect_score_initial,
1565     NULL,                               "CE score", " "
1566   },
1567   {
1568     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1569     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1570     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1571     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1572     &custom_element.collect_count_initial,
1573     NULL,                               "CE count", NULL
1574   },
1575   {
1576     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1577     0,                                  9999,
1578     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1579     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1580     &custom_element.ce_value_fixed_initial,
1581     NULL,                               "CE value", NULL
1582   },
1583   {
1584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1585     0,                                  9999,
1586     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1587     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1588     &custom_element.ce_value_random_initial,
1589     NULL,                               "+random", NULL
1590   },
1591   {
1592     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1593     0,                                  999,
1594     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1595     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1596     &custom_element.push_delay_fixed,
1597     NULL,                               "push delay", NULL
1598   },
1599   {
1600     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1601     0,                                  999,
1602     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1603     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1604     &custom_element.push_delay_random,
1605     NULL,                               "+random", NULL
1606   },
1607   {
1608     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1609     0,                                  999,
1610     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1611     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1612     &custom_element.drop_delay_fixed,
1613     NULL,                               "drop delay", NULL
1614   },
1615   {
1616     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1617     0,                                  999,
1618     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1619     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1620     &custom_element.drop_delay_random,
1621     NULL,                               "+random", NULL
1622   },
1623
1624   // ---------- element settings: configure 2 (custom elements) ---------------
1625
1626   {
1627     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1628     0,                                  999,
1629     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1630     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1631     &custom_element.move_delay_fixed,
1632     NULL,                               "move delay", NULL
1633   },
1634   {
1635     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1636     0,                                  999,
1637     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1638     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1639     &custom_element.move_delay_random,
1640     NULL,                               "+random", NULL
1641   },
1642   {
1643     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1644     0,                                  999,
1645     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1646     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1647     &custom_element.step_delay_fixed,
1648     NULL,                               "step delay", NULL
1649   },
1650   {
1651     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1652     0,                                  999,
1653     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1654     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1655     &custom_element.step_delay_random,
1656     NULL,                               "+random", NULL
1657   },
1658   {
1659     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1660     0,                                  999,
1661     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1662     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1663     &custom_element.explosion_delay,
1664     NULL,                               "explosion delay", NULL
1665   },
1666   {
1667     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1668     0,                                  999,
1669     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1670     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1671     &custom_element.ignition_delay,
1672     NULL,                               "ignition delay", "(by fire)"
1673   },
1674
1675   // ---------- element settings: configure (group elements) ------------------
1676
1677   {
1678     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1679     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1680     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1681     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1682     &group_element_info.num_elements,
1683     NULL,                               NULL, "number of elements in group"
1684   },
1685
1686   // ---------- element settings: advanced (custom elements) ------------------
1687
1688   {
1689     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1690     0,                                  999,
1691     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1692     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1693     &custom_element_change.delay_fixed,
1694     NULL,                               "CE delay", NULL,
1695   },
1696   {
1697     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1698     0,                                  999,
1699     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1700     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1701     &custom_element_change.delay_random,
1702     NULL,                               "+random", NULL
1703   },
1704   {
1705     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1706     0,                                  100,
1707     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1708     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1709     &custom_element_change.random_percentage,
1710     NULL,                               "use random replace:", "%"
1711   },
1712 };
1713
1714 static struct
1715 {
1716   int x, y;
1717   int gadget_id;
1718   int size;
1719   char *value;
1720   char *text_above, *infotext;
1721 } textinput_info[ED_NUM_TEXTINPUT] =
1722 {
1723   {
1724     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1725     GADGET_ID_LEVEL_NAME,
1726     MAX_LEVEL_NAME_LEN,
1727     level.name,
1728     "Title:", "Title for this level"
1729   },
1730   {
1731     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1732     GADGET_ID_LEVEL_AUTHOR,
1733     MAX_LEVEL_AUTHOR_LEN,
1734     level.author,
1735     "Author:", "Author for this level"
1736   },
1737   {
1738     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1739     GADGET_ID_LEVELSET_NAME,
1740     MAX_LEVEL_NAME_LEN,
1741     levelset_name,
1742     "Title:", "Title for this or new level set"
1743   },
1744   {
1745     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1746     GADGET_ID_LEVELSET_AUTHOR,
1747     MAX_LEVEL_AUTHOR_LEN,
1748     levelset_author,
1749     "Author:", "Author for this or new level set"
1750   },
1751   {
1752     -1, -1,     // these values are not constant, but can change at runtime
1753     GADGET_ID_ELEMENT_NAME,
1754     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1755     custom_element.description,
1756     NULL, "Element name"
1757   }
1758 };
1759
1760 static struct
1761 {
1762   int x, y;
1763   int gadget_id;
1764   int xsize, ysize;
1765   char *value;
1766   char *text_above, *text_above_cropped, *infotext;
1767 } textarea_info[ED_NUM_TEXTAREAS] =
1768 {
1769   {
1770     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1771     GADGET_ID_ENVELOPE_INFO,
1772     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1773     NULL,
1774     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1775   }
1776 };
1777
1778 static struct ValueTextInfo options_time_or_steps[] =
1779 {
1780   { 0,                          "seconds"                       },
1781   { 1,                          "steps"                         },
1782
1783   { -1,                         NULL                            }
1784 };
1785
1786 static struct ValueTextInfo options_time_score_base[] =
1787 {
1788   { 1,                          "per second/step"               },
1789   { 10,                         "per 10 seconds/steps"          },
1790
1791   { -1,                         NULL                            }
1792 };
1793
1794 static struct ValueTextInfo options_game_engine_type[] =
1795 {
1796   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1797   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1798   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1799   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1800
1801   { -1,                         NULL                            }
1802 };
1803
1804 static struct ValueTextInfo options_levelset_save_mode[] =
1805 {
1806   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1807   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1808
1809   { -1,                         NULL                            }
1810 };
1811
1812 static struct ValueTextInfo options_wind_direction[] =
1813 {
1814   { MV_START_NONE,              "none"                          },
1815   { MV_START_LEFT,              "left"                          },
1816   { MV_START_RIGHT,             "right"                         },
1817   { MV_START_UP,                "up"                            },
1818   { MV_START_DOWN,              "down"                          },
1819
1820   { -1,                         NULL                            }
1821 };
1822
1823 static struct ValueTextInfo options_player_speed[] =
1824 {
1825   { 0,                          "frozen"                        },
1826   { 1,                          "very slow"                     },
1827   { 2,                          "slow"                          },
1828   { 4,                          "normal"                        },
1829   { 8,                          "fast"                          },
1830   { 16,                         "very fast"                     },
1831   { 32,                         "ultrafast"                     },
1832
1833   { -1,                         NULL                            }
1834 };
1835
1836 static struct ValueTextInfo options_access_type[] =
1837 {
1838   { EP_WALKABLE,                "walkable"                      },
1839   { EP_PASSABLE,                "passable"                      },
1840
1841   { -1,                         NULL                            }
1842 };
1843
1844 static struct ValueTextInfo options_access_layer[] =
1845 {
1846   { EP_ACCESSIBLE_OVER,         "over"                          },
1847   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1848   { EP_ACCESSIBLE_UNDER,        "under"                         },
1849
1850   { -1,                         NULL                            }
1851 };
1852
1853 static struct ValueTextInfo options_access_protected[] =
1854 {
1855   { 0,                          "unprotected"                   },
1856   { 1,                          "protected"                     },
1857
1858   { -1,                         NULL                            }
1859 };
1860
1861 static struct ValueTextInfo options_access_direction[] =
1862 {
1863   { MV_NO_DIRECTION,            "no direction"                  },
1864   { MV_LEFT,                    "left"                          },
1865   { MV_RIGHT,                   "right"                         },
1866   { MV_UP,                      "up"                            },
1867   { MV_DOWN,                    "down"                          },
1868   { MV_LEFT  | MV_UP,           "left + up"                     },
1869   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1870   { MV_RIGHT | MV_UP,           "right + up"                    },
1871   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1872   { MV_HORIZONTAL,              "horizontal"                    },
1873   { MV_VERTICAL,                "vertical"                      },
1874   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1875   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1876   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1877   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1878   { MV_ALL_DIRECTIONS,          "all directions"                },
1879
1880   { -1,                         NULL                            }
1881 };
1882
1883 static struct ValueTextInfo options_walk_to_action[] =
1884 {
1885   { EP_DIGGABLE,                "diggable"                      },
1886   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1887   { EP_DROPPABLE,               "collectible & droppable"       },
1888   { EP_THROWABLE,               "collectible & throwable"       },
1889   { EP_PUSHABLE,                "pushable"                      },
1890
1891   { -1,                         NULL                            }
1892 };
1893
1894 static struct ValueTextInfo options_move_pattern[] =
1895 {
1896   { MV_LEFT,                    "left"                          },
1897   { MV_RIGHT,                   "right"                         },
1898   { MV_UP,                      "up"                            },
1899   { MV_DOWN,                    "down"                          },
1900   { MV_HORIZONTAL,              "horizontal"                    },
1901   { MV_VERTICAL,                "vertical"                      },
1902   { MV_ALL_DIRECTIONS,          "all directions"                },
1903   { MV_WIND_DIRECTION,          "wind direction"                },
1904   { MV_TOWARDS_PLAYER,          "towards player"                },
1905   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1906   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1907   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1908   { MV_TURNING_LEFT,            "turning left"                  },
1909   { MV_TURNING_RIGHT,           "turning right"                 },
1910   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1911   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1912   { MV_TURNING_RANDOM,          "turning random"                },
1913   { MV_MAZE_RUNNER,             "maze runner style"             },
1914   { MV_MAZE_HUNTER,             "maze hunter style"             },
1915   { MV_WHEN_PUSHED,             "when pushed"                   },
1916   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1917
1918   { -1,                         NULL                            }
1919 };
1920
1921 static struct ValueTextInfo options_move_direction[] =
1922 {
1923   { MV_START_AUTOMATIC,         "automatic"                     },
1924   { MV_START_LEFT,              "left"                          },
1925   { MV_START_RIGHT,             "right"                         },
1926   { MV_START_UP,                "up"                            },
1927   { MV_START_DOWN,              "down"                          },
1928   { MV_START_RANDOM,            "random"                        },
1929   { MV_START_PREVIOUS,          "previous"                      },
1930
1931   { -1,                         NULL                            }
1932 };
1933
1934 static struct ValueTextInfo options_move_stepsize[] =
1935 {
1936   { 0,                          "not moving"                    },
1937   { 1,                          "very slow"                     },
1938   { 2,                          "slow"                          },
1939   { 4,                          "normal"                        },
1940   { 8,                          "fast"                          },
1941   { 16,                         "very fast"                     },
1942   { 32,                         "even faster"                   },
1943
1944   { -1,                         NULL                            }
1945 };
1946
1947 static struct ValueTextInfo options_move_leave_type[] =
1948 {
1949   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1950   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1951
1952   { -1,                         NULL                            }
1953 };
1954
1955 static struct ValueTextInfo options_smash_targets[] =
1956 {
1957   { EP_CAN_SMASH_PLAYER,        "player"                        },
1958 #if 0
1959   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1960 #endif
1961   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1962
1963   { -1,                         NULL                            }
1964 };
1965
1966 static struct ValueTextInfo options_slippery_type[] =
1967 {
1968   { SLIPPERY_ANY_RANDOM,        "random"                        },
1969   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1970   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1971   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1972   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1973
1974   { -1,                         NULL                            }
1975 };
1976
1977 static struct ValueTextInfo options_deadliness[] =
1978 {
1979   { EP_DONT_RUN_INTO,           "running into"                  },
1980   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1981   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1982   { EP_DONT_TOUCH,              "touching"                      },
1983
1984   { -1,                         NULL                            }
1985 };
1986
1987 static struct ValueTextInfo options_explosion_type[] =
1988 {
1989   { EXPLODES_3X3,               "3x3"                           },
1990   { EXPLODES_CROSS,             "3+3"                           },
1991   { EXPLODES_1X1,               "1x1"                           },
1992
1993   { -1,                         NULL                            }
1994 };
1995
1996 static struct ValueTextInfo options_time_units[] =
1997 {
1998   { 1,                          "frames"                        },
1999   { FRAMES_PER_SECOND,          "seconds"                       },
2000
2001   { -1,                         NULL                            }
2002 };
2003
2004 static struct ValueTextInfo options_change_direct_action[] =
2005 {
2006   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2007   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2008   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2009   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2010   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2011   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2012   { CE_LEFT_BY_PLAYER,          "left by player"                },
2013   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2014   { CE_SWITCHED,                "switched"                      },
2015   { CE_HITTING_SOMETHING,       "hitting something"             },
2016   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2017 #if 0
2018   { CE_BLOCKED,                 "blocked"                       },
2019 #endif
2020   { CE_IMPACT,                  "impact (on something)"         },
2021   { CE_SMASHED,                 "smashed (from above)"          },
2022 #if 0
2023   { CE_VALUE_CHANGES,           "CE value changes"              },
2024   { CE_SCORE_CHANGES,           "CE score changes"              },
2025 #endif
2026   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2027   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2028   { CE_UNDEFINED,               " "                             },
2029   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2030   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2031   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2032   { CE_UNDEFINED,               " "                             },
2033   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2034   { CE_NEXT_TO_PLAYER,          "next to player"                },
2035
2036   { -1,                         NULL                            }
2037 };
2038
2039 static struct ValueTextInfo options_change_other_action[] =
2040 {
2041   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2042   { CE_PLAYER_PRESSES_X,        "player presses"                },
2043   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2044   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2045   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2046   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2047   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2048   { CE_PLAYER_DIGS_X,           "player digs"                   },
2049   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2050   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2051   { CE_TOUCHING_X,              "touching"                      },
2052   { CE_HITTING_X,               "hitting"                       },
2053   { CE_DIGGING_X,               "digging"                       },
2054   { CE_HIT_BY_X,                "hit by"                        },
2055   { CE_SWITCH_OF_X,             "switch of"                     },
2056   { CE_CHANGE_OF_X,             "change by page of"             },
2057   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2058   { CE_MOVE_OF_X,               "move of"                       },
2059   { CE_CREATION_OF_X,           "creation of"                   },
2060   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2061   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2062   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2063   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2064   { CE_UNDEFINED,               " "                             },
2065   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2066   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2067   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2068   { CE_UNDEFINED,               " "                             },
2069   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2070   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2071   { CE_NEXT_TO_X,               "next to"                       },
2072
2073   { -1,                         NULL                            }
2074 };
2075
2076 static struct ValueTextInfo options_change_trigger_side[] =
2077 {
2078   { CH_SIDE_LEFT,               "left"                          },
2079   { CH_SIDE_RIGHT,              "right"                         },
2080   { CH_SIDE_TOP,                "top"                           },
2081   { CH_SIDE_BOTTOM,             "bottom"                        },
2082   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2083   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2084   { CH_SIDE_ANY,                "any"                           },
2085
2086   { -1,                         NULL                            }
2087 };
2088
2089 static struct ValueTextInfo options_change_trigger_player[] =
2090 {
2091   { CH_PLAYER_1,                "1"                             },
2092   { CH_PLAYER_2,                "2"                             },
2093   { CH_PLAYER_3,                "3"                             },
2094   { CH_PLAYER_4,                "4"                             },
2095   { CH_PLAYER_ANY,              "any"                           },
2096
2097   { -1,                         NULL                            }
2098 };
2099
2100 static struct ValueTextInfo options_change_trigger_page[] =
2101 {
2102   { (1u << 0),                  "1"                             },
2103   { (1u << 1),                  "2"                             },
2104   { (1u << 2),                  "3"                             },
2105   { (1u << 3),                  "4"                             },
2106   { (1u << 4),                  "5"                             },
2107   { (1u << 5),                  "6"                             },
2108   { (1u << 6),                  "7"                             },
2109   { (1u << 7),                  "8"                             },
2110   { (1u << 8),                  "9"                             },
2111   { (1u << 9),                  "10"                            },
2112   { (1u << 10),                 "11"                            },
2113   { (1u << 11),                 "12"                            },
2114   { (1u << 12),                 "13"                            },
2115   { (1u << 13),                 "14"                            },
2116   { (1u << 14),                 "15"                            },
2117   { (1u << 15),                 "16"                            },
2118   { (1u << 16),                 "17"                            },
2119   { (1u << 17),                 "18"                            },
2120   { (1u << 18),                 "19"                            },
2121   { (1u << 19),                 "20"                            },
2122   { (1u << 20),                 "21"                            },
2123   { (1u << 21),                 "22"                            },
2124   { (1u << 22),                 "23"                            },
2125   { (1u << 23),                 "24"                            },
2126   { (1u << 24),                 "25"                            },
2127   { (1u << 25),                 "26"                            },
2128   { (1u << 26),                 "27"                            },
2129   { (1u << 27),                 "28"                            },
2130   { (1u << 28),                 "29"                            },
2131   { (1u << 29),                 "30"                            },
2132   { (1u << 30),                 "31"                            },
2133   { (1u << 31),                 "32"                            },
2134   { CH_PAGE_ANY,                "any"                           },
2135
2136   { -1,                         NULL                            }
2137 };
2138
2139 static struct ValueTextInfo options_change_replace_when[] =
2140 {
2141   { CP_WHEN_EMPTY,              "empty"                         },
2142   { CP_WHEN_WALKABLE,           "walkable"                      },
2143   { CP_WHEN_DIGGABLE,           "diggable"                      },
2144   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2145   { CP_WHEN_REMOVABLE,          "removable"                     },
2146   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2147
2148   { -1,                         NULL                            }
2149 };
2150
2151 static struct ValueTextInfo options_action_type[] =
2152 {
2153   { CA_NO_ACTION,               "no action"                     },
2154   { CA_UNDEFINED,               " "                             },
2155   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2156   { CA_RESTART_LEVEL,           "restart level"                 },
2157   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2158   { CA_SET_LEVEL_TIME,          "set time"                      },
2159   { CA_SET_LEVEL_SCORE,         "set score"                     },
2160   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2161   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2162   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2163   { CA_UNDEFINED,               " "                             },
2164   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2165   { CA_MOVE_PLAYER,             "move player"                   },
2166   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2167   { CA_EXIT_PLAYER,             "exit player"                   },
2168   { CA_KILL_PLAYER,             "kill player"                   },
2169   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2170   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2171   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2172   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2173   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2174   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2175   { CA_UNDEFINED,               " "                             },
2176   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2177   { CA_SET_CE_VALUE,            "set CE value"                  },
2178   { CA_SET_CE_SCORE,            "set CE score"                  },
2179   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2180   { CA_UNDEFINED,               " "                             },
2181   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2182   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2183
2184   { -1,                         NULL                            }
2185 };
2186
2187 static struct ValueTextInfo options_action_mode_none[] =
2188 {
2189   { CA_MODE_UNDEFINED,          " "                             },
2190
2191   { -1,                         NULL                            }
2192 };
2193
2194 static struct ValueTextInfo options_action_mode_assign[] =
2195 {
2196   { CA_MODE_SET,                "="                             },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_action_mode_add_remove[] =
2202 {
2203   { CA_MODE_ADD,                "+"                             },
2204   { CA_MODE_SUBTRACT,           "-"                             },
2205
2206   { -1,                         NULL                            }
2207 };
2208
2209 static struct ValueTextInfo options_action_mode_calculate[] =
2210 {
2211   { CA_MODE_SET,                "="                             },
2212   { CA_MODE_ADD,                "+"                             },
2213   { CA_MODE_SUBTRACT,           "-"                             },
2214   { CA_MODE_MULTIPLY,           "*"                             },
2215   { CA_MODE_DIVIDE,             "/"                             },
2216   { CA_MODE_MODULO,             "%"                             },
2217
2218   { -1,                         NULL                            }
2219 };
2220
2221 static struct ValueTextInfo options_action_arg_none[] =
2222 {
2223   { CA_ARG_UNDEFINED,           "         "                     },
2224
2225   { -1,                         NULL                            }
2226 };
2227
2228 static struct ValueTextInfo options_action_arg_player[] =
2229 {
2230   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2231   { CA_ARG_PLAYER_1,            "1"                             },
2232   { CA_ARG_PLAYER_2,            "2"                             },
2233   { CA_ARG_PLAYER_3,            "3"                             },
2234   { CA_ARG_PLAYER_4,            "4"                             },
2235   { CA_ARG_PLAYER_ANY,          "any"                           },
2236   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2237   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2238
2239   { -1,                         NULL                            }
2240 };
2241
2242 static struct ValueTextInfo options_action_arg_number[] =
2243 {
2244   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2245   { CA_ARG_0,                   "0"                             },
2246   { CA_ARG_1,                   "1"                             },
2247   { CA_ARG_2,                   "2"                             },
2248   { CA_ARG_3,                   "3"                             },
2249   { CA_ARG_4,                   "4"                             },
2250   { CA_ARG_5,                   "5"                             },
2251   { CA_ARG_10,                  "10"                            },
2252   { CA_ARG_100,                 "100"                           },
2253   { CA_ARG_1000,                "1000"                          },
2254   { CA_ARG_UNDEFINED,           " "                             },
2255   { CA_ARG_NUMBER_MIN,          "min"                           },
2256   { CA_ARG_NUMBER_MAX,          "max"                           },
2257   { CA_ARG_UNDEFINED,           " "                             },
2258   { CA_ARG_NUMBER_RESET,        "reset"                         },
2259   { CA_ARG_UNDEFINED,           " "                             },
2260   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2261   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2262   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2263   { CA_ARG_UNDEFINED,           " "                             },
2264   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2265   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2266   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2267   { CA_ARG_UNDEFINED,           " "                             },
2268   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2269   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2270   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2271   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2272   { CA_ARG_UNDEFINED,           " "                             },
2273   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2274   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2275   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2276   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2277
2278   { -1,                         NULL                            }
2279 };
2280
2281 static struct ValueTextInfo options_action_arg_value[] =
2282 {
2283   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2284   { CA_ARG_0,                   "0"                             },
2285   { CA_ARG_1,                   "1"                             },
2286   { CA_ARG_2,                   "2"                             },
2287   { CA_ARG_3,                   "3"                             },
2288   { CA_ARG_4,                   "4"                             },
2289   { CA_ARG_5,                   "5"                             },
2290   { CA_ARG_10,                  "10"                            },
2291   { CA_ARG_100,                 "100"                           },
2292   { CA_ARG_1000,                "1000"                          },
2293   { CA_ARG_UNDEFINED,           " "                             },
2294   { CA_ARG_NUMBER_MIN,          "min"                           },
2295   { CA_ARG_NUMBER_MAX,          "max"                           },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_NUMBER_RESET,        "reset"                         },
2298   { CA_ARG_UNDEFINED,           " "                             },
2299   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2300   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2301   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2302   { CA_ARG_UNDEFINED,           " "                             },
2303   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2304   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2305   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2306   { CA_ARG_UNDEFINED,           " "                             },
2307   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2308   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2309   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2310   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2311   { CA_ARG_UNDEFINED,           " "                             },
2312   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2313   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2314   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2315   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2316   { CA_ARG_UNDEFINED,           " "                             },
2317   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2318   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2319   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2320   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2321
2322   { -1,                         NULL                            }
2323 };
2324
2325 static struct ValueTextInfo options_action_arg_envelope[] =
2326 {
2327   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2328   { CA_ARG_1,                   "1"                             },
2329   { CA_ARG_2,                   "2"                             },
2330   { CA_ARG_3,                   "3"                             },
2331   { CA_ARG_4,                   "4"                             },
2332   { CA_ARG_UNDEFINED,           " "                             },
2333   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2334   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2335   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2336   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2337
2338   { -1,                         NULL                            }
2339 };
2340
2341 static struct ValueTextInfo options_action_arg_key[] =
2342 {
2343   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2344   { CA_ARG_1,                   "1"                             },
2345   { CA_ARG_2,                   "2"                             },
2346   { CA_ARG_3,                   "3"                             },
2347   { CA_ARG_4,                   "4"                             },
2348   { CA_ARG_5,                   "5"                             },
2349   { CA_ARG_6,                   "6"                             },
2350   { CA_ARG_7,                   "7"                             },
2351   { CA_ARG_8,                   "8"                             },
2352   { CA_ARG_UNDEFINED,           " "                             },
2353   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2354   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2355   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2356   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2357
2358   { -1,                         NULL                            }
2359 };
2360
2361 static struct ValueTextInfo options_action_arg_speed[] =
2362 {
2363   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2364   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2365   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2366   { CA_ARG_SPEED_SLOW,          "slow"                          },
2367   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2368   { CA_ARG_SPEED_FAST,          "fast"                          },
2369   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2370   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2371   { CA_ARG_UNDEFINED,           " "                             },
2372   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2373   { CA_ARG_SPEED_FASTER,        "faster"                        },
2374   { CA_ARG_UNDEFINED,           " "                             },
2375   { CA_ARG_SPEED_RESET,         "reset"                         },
2376
2377   { -1,                         NULL                            }
2378 };
2379
2380 static struct ValueTextInfo options_action_arg_shield[] =
2381 {
2382   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2383   { CA_ARG_SHIELD_OFF,          "off"                           },
2384   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2385   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2386
2387   { -1,                         NULL                            }
2388 };
2389
2390 static struct ValueTextInfo options_action_arg_artwork[] =
2391 {
2392   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2393   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2394   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2395   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2396   { CA_ARG_UNDEFINED,           " "                             },
2397   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2398
2399   { -1,                         NULL                            }
2400 };
2401
2402 static struct ValueTextInfo options_action_arg_gravity[] =
2403 {
2404   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2405   { CA_ARG_GRAVITY_ON,          "on"                            },
2406   { CA_ARG_GRAVITY_OFF,         "off"                           },
2407   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2408
2409   { -1,                         NULL                            }
2410 };
2411
2412 static struct ValueTextInfo options_action_arg_direction[] =
2413 {
2414   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2415   { CA_ARG_DIRECTION_NONE,      "none"                          },
2416   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2417   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2418   { CA_ARG_DIRECTION_UP,        "up"                            },
2419   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2420   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2421   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2422
2423   { -1,                         NULL                            }
2424 };
2425
2426 static struct ValueTextInfo options_action_arg_scan_mode[] =
2427 {
2428   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2429   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2430   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2431
2432   { -1,                         NULL                            }
2433 };
2434
2435 static struct ValueTextInfo options_action_arg_inventory[] =
2436 {
2437   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2438   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2439   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2440   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2441   { CA_ARG_UNDEFINED,           " "                             },
2442   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2443   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2444   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2445   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2446   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2447   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2448   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2449   { CA_ARG_UNDEFINED,           " "                             },
2450   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2451
2452   { -1,                         NULL                            }
2453 };
2454
2455 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2456 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2457 {
2458   { -1,                         NULL                            }
2459 };
2460
2461 static struct ValueTextInfo options_group_choice_mode[] =
2462 {
2463   { ANIM_RANDOM,                "random"                        },
2464   { ANIM_LOOP,                  "loop"                          },
2465   { ANIM_LINEAR,                "linear"                        },
2466   { ANIM_PINGPONG,              "pingpong"                      },
2467   { ANIM_PINGPONG2,             "pingpong 2"                    },
2468
2469   { -1,                         NULL                            }
2470 };
2471
2472 static struct ValueTextInfo *action_arg_modes[] =
2473 {
2474   options_action_mode_none,
2475   options_action_mode_assign,
2476   options_action_mode_add_remove,
2477   options_action_mode_calculate,
2478 };
2479
2480 static struct
2481 {
2482   int value;
2483   int mode;
2484   struct ValueTextInfo *options;
2485 }
2486 action_arg_options[] =
2487 {
2488   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2489   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2490   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2491   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2492   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2493   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2494   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2495   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2496   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2497   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2498   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2499   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2500   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2501   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2502   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2503   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2504   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2505   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2506   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2507   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2508   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2509   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2510
2511   { -1,                         FALSE,  NULL                            }
2512 };
2513
2514 static struct
2515 {
2516   int x, y;
2517   int gadget_id;
2518   int gadget_id_align;
2519   int size;     // char size of selectbox or '-1' (dynamically determined)
2520   struct ValueTextInfo *options;
2521   int *value;
2522   char *text_above, *text_left, *text_right, *infotext;
2523 } selectbox_info[ED_NUM_SELECTBOX] =
2524 {
2525   // ---------- level and editor settings -------------------------------------
2526
2527   {
2528     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2529     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2530     -1,
2531     options_time_or_steps,
2532     &level.use_step_counter,
2533     NULL, NULL, "(0 => no limit)",      "time or step limit"
2534   },
2535   {
2536     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2537     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2538     -1,
2539     options_time_score_base,
2540     &level.time_score_base,
2541     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2542   },
2543   {
2544     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2545     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2546     -1,
2547     options_game_engine_type,
2548     &level.game_engine_type,
2549     NULL, "game engine:", NULL,         "game engine"
2550   },
2551   {
2552     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2553     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2554     -1,
2555     options_levelset_save_mode,
2556     &levelset_save_mode,
2557     "Action:", NULL, NULL,              "action when saving level set"
2558   },
2559
2560   // ---------- element settings: configure (several elements) ----------------
2561
2562   {
2563     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2564     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2565     -1,
2566     options_wind_direction,
2567     &level.wind_direction_initial,
2568     NULL, "initial wind direction:", NULL,      "initial wind direction"
2569   },
2570   {
2571     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2572     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2573     -1,
2574     options_player_speed,
2575     &level.initial_player_stepsize[0],
2576     NULL, "initial player speed:", NULL,        "initial player speed"
2577   },
2578   {
2579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2580     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2581     -1,
2582     options_group_choice_mode,
2583     &level.mm_ball_choice_mode,
2584     NULL, "choice type:", NULL,         "type of content choice"
2585   },
2586
2587   // ---------- element settings: configure 1 (custom elements) ---------------
2588
2589   {
2590     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2591     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2592     -1,
2593     options_access_type,
2594     &custom_element.access_type,
2595     NULL, NULL, NULL,                   "type of access to this field"
2596   },
2597   {
2598     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2599     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2600     -1,
2601     options_access_layer,
2602     &custom_element.access_layer,
2603     NULL, NULL, NULL,                   "layer of access for this field"
2604   },
2605   {
2606     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2607     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2608     -1,
2609     options_access_protected,
2610     &custom_element.access_protected,
2611     NULL, NULL, NULL,                   "protected access for this field"
2612   },
2613   {
2614     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2615     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2616     -1,
2617     options_access_direction,
2618     &custom_element.access_direction,
2619     NULL, "from", NULL,                 "access direction for this field"
2620   },
2621   {
2622     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2623     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2624     -1,
2625     options_walk_to_action,
2626     &custom_element.walk_to_action,
2627     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2628   },
2629
2630   // ---------- element settings: configure 2 (custom elements) ---------------
2631
2632   {
2633     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2634     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2635     -1,
2636     options_move_pattern,
2637     &custom_element.move_pattern,
2638     NULL, "can move", NULL,             "element move pattern"
2639   },
2640   {
2641     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2642     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2643     -1,
2644     options_move_direction,
2645     &custom_element.move_direction_initial,
2646     NULL, "starts moving", NULL,        "initial element move direction"
2647   },
2648   {
2649     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2650     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2651     -1,
2652     options_move_stepsize,
2653     &custom_element.move_stepsize,
2654     NULL, "move/fall speed", NULL,      "speed of element movement"
2655   },
2656   {
2657     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2658     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2659     -1,
2660     options_move_leave_type,
2661     &custom_element.move_leave_type,
2662     // left text with leading spaces to place gadget next to "can dig" gadget
2663     // (needed because drawing area gadgets created after selectbox gadgets)
2664     // NULL, "can dig:    can", ":",    "leave behind or change element"
2665     NULL, "            can", ":",       "leave behind or change element"
2666   },
2667   {
2668     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2669     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2670     -1,
2671     options_smash_targets,
2672     &custom_element.smash_targets,
2673     NULL, "can smash", NULL,            "elements that can be smashed"
2674   },
2675   {
2676     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2677     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2678     -1,
2679     options_slippery_type,
2680     &custom_element.slippery_type,
2681     NULL, "slippery", NULL,             "where other elements fall down"
2682   },
2683   {
2684     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2685     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2686     -1,
2687     options_deadliness,
2688     &custom_element.deadliness,
2689     NULL, "deadly when", NULL,          "deadliness of element"
2690   },
2691   {
2692     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2693     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2694     -1,
2695     options_explosion_type,
2696     &custom_element.explosion_type,
2697     NULL, "can explode", NULL,          "explosion type"
2698   },
2699
2700   // ---------- element settings: advanced (custom elements) ------------------
2701
2702   {
2703     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2704     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2705     -1,
2706     options_time_units,
2707     &custom_element_change.delay_frames,
2708     NULL, "delay time given in", NULL,  "delay time units for change"
2709   },
2710   {
2711     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2712     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2713     -1,
2714     options_change_direct_action,
2715     &custom_element_change.direct_action,
2716     NULL, NULL, NULL,                   "type of direct action"
2717   },
2718   {
2719     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2720     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2721     -1,
2722     options_change_other_action,
2723     &custom_element_change.other_action,
2724     NULL, NULL, "element:",             "type of other element action"
2725   },
2726   {
2727     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2728     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2729     -1,
2730     options_change_trigger_side,
2731     &custom_element_change.trigger_side,
2732     NULL, "at", "side",                 "element side triggering change"
2733   },
2734   {
2735     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2736     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2737     -1,
2738     options_change_trigger_player,
2739     &custom_element_change.trigger_player,
2740     NULL, "player:", " ",               "player that causes change"
2741   },
2742   {
2743     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2744     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2745     -1,
2746     options_change_trigger_page,
2747     &custom_element_change.trigger_page,
2748     NULL, "page:", NULL,                "change page that causes change"
2749   },
2750   {
2751     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2752     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2753     -1,
2754     options_change_replace_when,
2755     &custom_element_change.replace_when,
2756     NULL, "replace when", NULL,         "which elements can be replaced"
2757   },
2758   {
2759     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2760     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2761     15,
2762     options_action_type,
2763     &custom_element_change.action_type,
2764     NULL, NULL, NULL,                   "action on specified condition"
2765   },
2766   {
2767     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2768     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2769     -1,
2770     options_action_mode_none,
2771     &custom_element_change.action_mode,
2772     NULL, NULL, NULL,                   "action operator"
2773   },
2774   {
2775     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2776     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2777     -1,
2778     options_action_arg_none,
2779     &custom_element_change.action_arg,
2780     NULL, NULL, NULL,                   "action parameter"
2781   },
2782   {
2783     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2784     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2785     3,
2786     options_change_page,
2787     &custom_element.current_change_page,
2788     NULL, NULL, NULL,                   "element change page"
2789   },
2790
2791   // ---------- element settings: configure (group elements) ------------------
2792
2793   {
2794     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2795     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2796     -1,
2797     options_group_choice_mode,
2798     &group_element_info.choice_mode,
2799     NULL, "choice type:", NULL,         "type of group element choice"
2800   },
2801 };
2802
2803 static struct
2804 {
2805   int x, y;
2806   int gadget_id;
2807   int gadget_id_align;
2808   int size;
2809   char *text;
2810   char *text_above, *text_left, *text_right, *infotext;
2811 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2812 {
2813   // ---------- level and editor settings (tabs) ------------------------------
2814
2815   {
2816     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2817     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2818     8,                                  "Level",
2819     NULL, NULL, NULL,                   "Configure level properties"
2820   },
2821   {
2822     -1,                                 -1,
2823     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2824     8,                                  "Levelset",
2825     NULL, NULL, NULL,                   "Update this or create new level set"
2826   },
2827   {
2828     -1,                                 -1,
2829     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2830     8,                                  "Editor",
2831     NULL, NULL, NULL,                   "Configure editor properties"
2832   },
2833
2834   // ---------- element settings (tabs) ---------------------------------------
2835
2836   {
2837     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2838     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2839     8,                                  "Info",
2840     NULL, NULL, NULL,                   "Show information about element"
2841   },
2842   {
2843     -1,                                 -1,
2844     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2845     8,                                  "Config",
2846     NULL, NULL, NULL,                   "Configure element properties"
2847   },
2848   {
2849     -1,                                 -1,
2850     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2851     8,                                  "Config 1",
2852     NULL, NULL, NULL,                   "Configure element properties, part 1"
2853   },
2854   {
2855     -1,                                 -1,
2856     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2857     8,                                  "Config 2",
2858     NULL, NULL, NULL,                   "Configure element properties, part 2"
2859   },
2860   {
2861     -1,                                 -1,
2862     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2863     8,                                  "Change",
2864     NULL, NULL, NULL,                   "Configure custom element change pages"
2865   },
2866
2867   // ---------- level and editor settings (buttons) ---------------------------
2868
2869   {
2870     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2871     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2872     -1,                                 "Save",
2873     NULL, NULL, NULL,                   "Update or create level set"
2874   },
2875   {
2876     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2877     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2878     -1,                                 "Save",
2879     NULL, NULL,                         "this level as level template",
2880     "Save current settings as new template"
2881   },
2882
2883   // ---------- element settings (buttons) ------------------------------------
2884
2885   {
2886     -1,                                 -1,
2887     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2888     -1,                                 "Save",
2889     NULL, " ",                          "As Template",
2890     "Save current settings as new template"
2891   },
2892   {
2893     -1,                                 -1,
2894     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2895     -1,                                 "New",
2896     NULL, NULL, NULL,                   "Add new change page"
2897   },
2898   {
2899     -1,                                 -1,
2900     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2901     -1,                                 "Delete",
2902     NULL, NULL, NULL,                   "Delete current change page"
2903   },
2904 };
2905
2906 static struct
2907 {
2908   int graphic;
2909   int x, y;
2910   int gadget_id;
2911   int gadget_id_align;
2912   char *text_left, *text_right, *infotext;
2913 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2914 {
2915   {
2916     IMG_EDITOR_COUNTER_DOWN,
2917     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2918     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2919     NULL, NULL,                         "select previous change page"
2920   },
2921   {
2922     IMG_EDITOR_COUNTER_UP,
2923     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2924     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2925     NULL, "change page",                "select next change page"
2926   },
2927   {
2928     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2929     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2930     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2931     " ", NULL,                          "copy settings from this change page"
2932   },
2933   {
2934     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2935     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2936     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2937     NULL, NULL,                         "paste settings to this change page"
2938   },
2939 };
2940
2941 static struct
2942 {
2943   int x, y;
2944 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2945
2946 static struct
2947 {
2948   int graphic;
2949   int gadget_id;
2950   char *infotext;
2951 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2952 {
2953   {
2954     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2955     GADGET_ID_SCROLL_UP,
2956     "scroll level editing area up"
2957   },
2958   {
2959     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2960     GADGET_ID_SCROLL_DOWN,
2961     "scroll level editing area down"
2962   },
2963   {
2964     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2965     GADGET_ID_SCROLL_LEFT,
2966     "scroll level editing area left"
2967   },
2968   {
2969     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2970     GADGET_ID_SCROLL_RIGHT,
2971     "scroll level editing area right"
2972   },
2973   {
2974     IMG_EDITOR_PALETTE_SCROLL_UP,
2975     GADGET_ID_SCROLL_LIST_UP,
2976     "scroll element list up ('Page Up')"
2977   },
2978   {
2979     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2980     GADGET_ID_SCROLL_LIST_DOWN,
2981     "scroll element list down ('Page Down')"
2982   },
2983 };
2984
2985 static struct
2986 {
2987   int x, y;
2988   int width, height;
2989   int wheel_x, wheel_y;
2990   int wheel_width, wheel_height;
2991 } scrollbar_pos[ED_NUM_SCROLLBARS];
2992
2993 static struct
2994 {
2995   int graphic;
2996   int type;
2997   int gadget_id;
2998   char *infotext;
2999 } scrollbar_info[ED_NUM_SCROLLBARS] =
3000 {
3001   {
3002     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3003     GD_TYPE_SCROLLBAR_HORIZONTAL,
3004     GADGET_ID_SCROLL_HORIZONTAL,
3005     "scroll level editing area horizontally"
3006   },
3007   {
3008     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3009     GD_TYPE_SCROLLBAR_VERTICAL,
3010     GADGET_ID_SCROLL_VERTICAL,
3011     "scroll level editing area vertically"
3012   },
3013   {
3014     IMG_EDITOR_PALETTE_SCROLLBAR,
3015     GD_TYPE_SCROLLBAR_VERTICAL,
3016     GADGET_ID_SCROLL_LIST_VERTICAL,
3017     "scroll element list vertically"
3018   }
3019 };
3020
3021
3022 static struct
3023 {
3024   int x, y;
3025   int gadget_id;
3026   int gadget_id_align;
3027   int radio_button_nr;
3028   int *value;
3029   int checked_value;
3030   char *text_left, *text_right, *infotext;
3031 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3032 {
3033   {
3034     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3035     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3036     RADIO_NR_RANDOM_ELEMENTS,
3037     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3038     " ", "percentage",                  "use percentage for random elements"
3039   },
3040   {
3041     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3042     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3043     RADIO_NR_RANDOM_ELEMENTS,
3044     &random_placement_method,           RANDOM_USE_QUANTITY,
3045     " ", "quantity",                    "use quantity for random elements"
3046   }
3047 };
3048
3049 static struct
3050 {
3051   int x, y;
3052   int gadget_id;
3053   int gadget_id_align;
3054   boolean *value;
3055   char *text_above, *text_left, *text_right, *infotext;
3056 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3057 {
3058   // ---------- level and editor settings -------------------------------------
3059
3060   {
3061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3062     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3063     &level.auto_count_gems,
3064     NULL, NULL,
3065     "automatically count gems needed",  "set counter to number of gems"
3066   },
3067   {
3068     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3069     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3070     &level.rate_time_over_score,
3071     NULL, NULL,
3072     "rate time/steps used over score",  "sort high scores by playing time/steps"
3073   },
3074   {
3075     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3076     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3077     &levelset_use_levelset_artwork,
3078     NULL, NULL,
3079     "use current custom artwork",       "use custom artwork of this level set"
3080   },
3081   {
3082     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3083     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3084     &levelset_copy_level_template,
3085     NULL, NULL,
3086     "copy current level template",      "copy level template of this level set"
3087   },
3088   {
3089     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3090     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3091     &random_placement_background_restricted,
3092     NULL, NULL,
3093     "restrict random placement to:",    "set random placement restriction"
3094   },
3095   {
3096     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3097     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3098     &setup.editor.use_template_for_new_levels,
3099     "Template for new levels and CE/GE:", NULL,
3100     "use template for new levels",      "use template for level properties"
3101   },
3102   {
3103     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3104     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3105     &level.use_custom_template,
3106     NULL, NULL,
3107     "use template for custom elements", "use template for custom properties"
3108   },
3109
3110   // ---------- element settings: configure (various elements) ----------------
3111
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3114     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3115     &stick_element_properties_window,
3116     NULL, NULL,
3117     "stick this screen to edit content","stick this screen to edit content"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3121     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3122     &level.em_slippery_gems,
3123     NULL, NULL,
3124     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3128     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3129     &level.em_explodes_by_fire,
3130     NULL, NULL,
3131     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3135     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3136     &level.use_spring_bug,
3137     NULL, NULL,
3138     "use spring pushing bug",           "use odd spring pushing behaviour"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3142     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3143     &level.use_time_orb_bug,
3144     NULL, NULL,
3145     "use time orb bug",                 "use odd time orb behaviour"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3149     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3150     &level.use_life_bugs,
3151     NULL, NULL,
3152     "use buggy element behaviour",      "use odd (historic) element behaviour"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3156     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3157     &level.ball_random,
3158     NULL, NULL,
3159     "create single random element",     "only create one element from content"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3164     &level.ball_active_initial,
3165     NULL, NULL,
3166     "magic ball initially activated",   "activate magic ball after level start"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3170     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3171     &level.grow_into_diggable,
3172     NULL, NULL,
3173     "can grow into anything diggable",  "grow into more than just sand"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3177     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3178     &level.sb_fields_needed,
3179     NULL, NULL,
3180     "all fields need to be filled",     "require all SB fields to be solved"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3184     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3185     &level.sb_objects_needed,
3186     NULL, NULL,
3187     "all objects need to be placed",    "require all SB objects to be solved"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3191     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3192     &level.auto_exit_sokoban,
3193     NULL, NULL,
3194     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3198     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3199     &level.solved_by_one_player,
3200     NULL, NULL,
3201     "only one player must enter exit",  "level solved by first player in exit"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3205     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3206     &level.finish_dig_collect,
3207     NULL, NULL,
3208     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3212     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3213     &level.keep_walkable_ce,
3214     NULL, NULL,
3215     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3219     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3220     &level.continuous_snapping,
3221     NULL, NULL,
3222     "continuous snapping",              "use snapping without releasing key"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3226     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3227     &level.block_snap_field,
3228     NULL, NULL,
3229     "block snapped field when snapping", "use snapping delay to show animation"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3233     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3234     &level.block_last_field,
3235     NULL, NULL,
3236     "block last field when moving",     "player blocks last field when moving"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3240     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3241     &level.sp_block_last_field,
3242     NULL, NULL,
3243     "block last field when moving",     "player blocks last field when moving"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3247     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3248     &level.instant_relocation,
3249     NULL, NULL,
3250     "no scrolling when relocating",     "player gets relocated without delay"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3254     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3255     &level.shifted_relocation,
3256     NULL, NULL,
3257     "no centering when relocating",     "level not centered after relocation"
3258   },
3259   {
3260     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3261     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3262     &level.lazy_relocation,
3263     NULL, NULL,
3264     "only redraw off-screen relocation","no redraw if relocation target visible"
3265   },
3266   {
3267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3268     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3269     &level.use_start_element[0],
3270     NULL, NULL,
3271     "use level start element:",        "start level at this element's position"
3272   },
3273   {
3274     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3275     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3276     &level.use_artwork_element[0],
3277     NULL, NULL,
3278     "use artwork from element:",        "use player artwork from other element"
3279   },
3280   {
3281     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3282     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3283     &level.use_explosion_element[0],
3284     NULL, NULL,
3285     "use explosion from element:",      "use explosion properties from element"
3286   },
3287   {
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3289     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3290     &level.initial_player_gravity[0],
3291     NULL, NULL,
3292     "use initial gravity",              "set initial player gravity"
3293   },
3294   {
3295     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3296     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3297     &level.use_initial_inventory[0],
3298     NULL, NULL,
3299     "use initial inventory:",           "use collected elements on level start"
3300   },
3301   {
3302     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3303     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3304     &level.can_pass_to_walkable,
3305     NULL, NULL,
3306     "can pass to walkable element",     "player can pass to empty or walkable"
3307   },
3308   {
3309     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3310     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3311     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3312     NULL, NULL,
3313     "can fall into acid (with gravity)","player can fall into acid pool"
3314   },
3315   {
3316     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3317     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3318     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3319     NULL, NULL,
3320     "can move into acid",               "element can move into acid pool"
3321   },
3322   {
3323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3324     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3325     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3326     NULL, NULL,
3327     "deadly when colliding with",       "element is deadly when hitting player"
3328   },
3329   {
3330     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3331     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3332     &level.envelope[0].autowrap,
3333     NULL, NULL,
3334     "auto-wrap",                        "automatically wrap envelope text"
3335   },
3336   {
3337     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3338     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3339     &level.envelope[0].centered,
3340     NULL, " ",
3341     "centered",                         "automatically center envelope text"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3345     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3346     &level.mm_laser_red,
3347     "choose color components for laser:", NULL,
3348     "red",                              "use red color components in laser"
3349   },
3350   {
3351     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3352     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3353     &level.mm_laser_green,
3354     NULL, NULL,
3355     "green",                            "use green color components in laser"
3356   },
3357   {
3358     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3359     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3360     &level.mm_laser_blue,
3361     NULL, NULL,
3362     "blue",                             "use blue color components in laser"
3363   },
3364   {
3365     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3366     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3367     &level.df_laser_red,
3368     "choose color components for laser:", NULL,
3369     "red",                              "use red color components in laser"
3370   },
3371   {
3372     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3373     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3374     &level.df_laser_green,
3375     NULL, NULL,
3376     "green",                            "use green color components in laser"
3377   },
3378   {
3379     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3380     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3381     &level.df_laser_blue,
3382     NULL, NULL,
3383     "blue",                             "use blue color components in laser"
3384   },
3385   {
3386     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3387     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3388     &level.rotate_mm_ball_content,
3389     NULL, NULL,
3390     "randomly rotate created content",  "randomly rotate newly created content"
3391   },
3392   {
3393     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3394     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3395     &level.explode_mm_ball,
3396     NULL, NULL,
3397     "explode ball instead of melting",  "use explosion to release ball content"
3398   },
3399
3400   // ---------- element settings: configure 1 (custom elements) ---------------
3401
3402   {
3403     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3404     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3405     &custom_element.use_gfx_element,
3406     NULL, NULL,
3407     "use graphic of element:",          "use existing element graphic"
3408   },
3409   {
3410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3411     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3412     &level.use_custom_template,
3413     NULL, NULL,
3414     "use template",                     "use template for custom properties"
3415   },
3416   {
3417     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3418     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3419     &custom_element_properties[EP_ACCESSIBLE],
3420     NULL, NULL,
3421     NULL,                               "player can walk to or pass this field"
3422   },
3423   {
3424     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3425     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3426     &custom_element_properties[EP_GRAVITY_REACHABLE],
3427     NULL, NULL,
3428     "reachable despite gravity",        "player can walk/dig despite gravity"
3429   },
3430   {
3431     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3432     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3433     &custom_element.use_last_ce_value,
3434     NULL, NULL,
3435     "use last CE value after change",   "use last CE value after change"
3436   },
3437   {
3438     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3439     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3440     &custom_element_properties[EP_WALK_TO_OBJECT],
3441     NULL, NULL,
3442     NULL,                               "player can dig/collect/push element"
3443   },
3444   {
3445     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3446     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3447     &custom_element_properties[EP_INDESTRUCTIBLE],
3448     NULL, NULL,
3449     "indestructible",                   "element is indestructible"
3450   },
3451
3452   // ---------- element settings: configure 2 (custom elements) ---------------
3453
3454   {
3455     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3456     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3457     &custom_element_properties[EP_CAN_MOVE],
3458     NULL, NULL,
3459     NULL,                               "element can move with some pattern"
3460   },
3461   {
3462     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3463     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3464     &custom_element_properties[EP_CAN_FALL],
3465     NULL, NULL,
3466     "can fall",                         "element can fall down"
3467   },
3468   {
3469     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3470     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3471     &custom_element_properties[EP_CAN_SMASH],
3472     NULL, " ",
3473     NULL,                               "element can smash other elements"
3474   },
3475   {
3476     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3477     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3478     &custom_element_properties[EP_SLIPPERY],
3479     NULL, NULL,
3480     NULL,                               "other elements can fall down from it"
3481   },
3482   {
3483     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3484     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3485     &custom_element_properties[EP_DEADLY],
3486     NULL, NULL,
3487     NULL,                               "element can kill the player"
3488   },
3489   {
3490     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3491     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3492     &custom_element_properties[EP_CAN_EXPLODE],
3493     NULL, NULL,
3494     NULL,                               "element can explode"
3495   },
3496   {
3497     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3498     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3499     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3500     NULL, NULL,
3501     "by fire",                          "element can explode by fire/explosion"
3502   },
3503   {
3504     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3505     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3506     &custom_element_properties[EP_EXPLODES_SMASHED],
3507     NULL, " ",
3508     "smashed",                          "element can explode when smashed"
3509   },
3510   {
3511     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3512     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3513     &custom_element_properties[EP_EXPLODES_IMPACT],
3514     NULL, " ",
3515     "impact",                           "element can explode on impact"
3516   },
3517
3518   // ---------- element settings: advanced (custom elements) ------------------
3519
3520   {
3521     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3522     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3523     &custom_element_change.can_change,
3524     NULL, NULL,
3525     "element changes to:",              "change element on specified condition"
3526   },
3527   {
3528     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3529     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3530     &custom_element_change_events[CE_DELAY],
3531     NULL, NULL,
3532     NULL,                               "element changes after delay"
3533   },
3534   {
3535     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3536     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3537     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3538     NULL, NULL,
3539     NULL,                               "element changes by direct action"
3540   },
3541   {
3542     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3543     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3544     &custom_element_change_events[CE_BY_OTHER_ACTION],
3545     NULL, NULL,
3546     NULL,                               "element changes by other element"
3547   },
3548   {
3549     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3550     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3551     &custom_element_change.explode,
3552     NULL, NULL,
3553     "explode instead of change",        "element explodes instead of change"
3554   },
3555   {
3556     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3557     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3558     &custom_element_change.use_target_content,
3559     NULL, NULL,
3560     "use extended change target:",      "element changes to more elements"
3561   },
3562   {
3563     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3564     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3565     &custom_element_change.only_if_complete,
3566     NULL, NULL,
3567     "replace all or nothing",           "only replace when all can be changed"
3568   },
3569   {
3570     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3571     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3572     &custom_element_change.use_random_replace,
3573     NULL, NULL,
3574     NULL,                               "use percentage for random replace"
3575   },
3576   {
3577     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3578     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3579     &custom_element_change.has_action,
3580     NULL, NULL,
3581     NULL,                               "execute action on specified condition"
3582   },
3583 };
3584
3585 static struct
3586 {
3587   int x, y;
3588   int xoffset, yoffset;
3589   int gadget_id;
3590   int gadget_id_align;
3591   int *value;
3592   int area_xsize, area_ysize;
3593   char *text_left, *text_right, *text_above, *text_below, *infotext;
3594 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3595 {
3596   // ---------- level playfield content ---------------------------------------
3597
3598   {
3599     0,                                  0,
3600     0,                                  0,
3601     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3602     NULL,
3603     -1, -1,     // these values are not constant, but can change at runtime
3604     NULL, NULL, NULL, NULL,             NULL
3605   },
3606
3607   // ---------- yam yam content -----------------------------------------------
3608
3609   {
3610     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3611     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3612     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3613     &level.yamyam_content[0].e[0][0],   3, 3,
3614     NULL, NULL, NULL, "1",              NULL
3615   },
3616   {
3617     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3618     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3619     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3620     &level.yamyam_content[1].e[0][0],   3, 3,
3621     NULL, NULL, NULL, "2",              NULL
3622   },
3623   {
3624     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3625     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3626     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3627     &level.yamyam_content[2].e[0][0],   3, 3,
3628     NULL, NULL, NULL, "3",              NULL
3629   },
3630   {
3631     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3632     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3633     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3634     &level.yamyam_content[3].e[0][0],   3, 3,
3635     NULL, NULL, NULL, "4",              NULL
3636   },
3637   {
3638     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3639     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3640     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3641     &level.yamyam_content[4].e[0][0],   3, 3,
3642     NULL, NULL, NULL, "5",              NULL
3643   },
3644   {
3645     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3646     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3647     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3648     &level.yamyam_content[5].e[0][0],   3, 3,
3649     NULL, NULL, NULL, "6",              NULL
3650   },
3651   {
3652     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3653     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3654     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3655     &level.yamyam_content[6].e[0][0],   3, 3,
3656     NULL, NULL, NULL, "7",              NULL
3657   },
3658   {
3659     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3660     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3661     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3662     &level.yamyam_content[7].e[0][0],   3, 3,
3663     NULL, NULL, NULL, "8",              NULL
3664   },
3665
3666   // ---------- magic ball content --------------------------------------------
3667
3668   {
3669     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3670     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3671     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3672     &level.ball_content[0].e[0][0],     3, 3,
3673     NULL, NULL, NULL, "1",              NULL
3674   },
3675   {
3676     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3677     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3678     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3679     &level.ball_content[1].e[0][0],     3, 3,
3680     NULL, NULL, NULL, "2",              NULL
3681   },
3682   {
3683     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3684     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3685     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3686     &level.ball_content[2].e[0][0],     3, 3,
3687     NULL, NULL, NULL, "3",              NULL
3688   },
3689   {
3690     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3691     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3692     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3693     &level.ball_content[3].e[0][0],     3, 3,
3694     NULL, NULL, NULL, "4",              NULL
3695   },
3696   {
3697     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3698     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3699     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3700     &level.ball_content[4].e[0][0],     3, 3,
3701     NULL, NULL, NULL, "5",              NULL
3702   },
3703   {
3704     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3705     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3706     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3707     &level.ball_content[5].e[0][0],     3, 3,
3708     NULL, NULL, NULL, "6",              NULL
3709   },
3710   {
3711     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3712     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3713     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3714     &level.ball_content[6].e[0][0],     3, 3,
3715     NULL, NULL, NULL, "7",              NULL
3716   },
3717   {
3718     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3719     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3720     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3721     &level.ball_content[7].e[0][0],     3, 3,
3722     NULL, NULL, NULL, "8",              NULL
3723   },
3724
3725   // ---------- android content -----------------------------------------------
3726
3727   {
3728     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3729     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3730     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3731     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3732     NULL, NULL, "elements:", NULL,      "elements android can clone"
3733   },
3734
3735   // ---------- amoeba content ------------------------------------------------
3736
3737   {
3738     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3739     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3740     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3741     &level.amoeba_content,              1, 1,
3742     "content:", NULL, NULL, NULL,       "amoeba content"
3743   },
3744
3745   // ---------- level start element -------------------------------------------
3746
3747   {
3748     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3749     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3750     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3751     &level.start_element[0],            1, 1,
3752     NULL, NULL, NULL, NULL,             "level start element"
3753   },
3754
3755   // ---------- player artwork element ----------------------------------------
3756
3757   {
3758     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3759     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3760     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3761     &level.artwork_element[0],          1, 1,
3762     NULL, NULL, NULL, NULL,             "element for player artwork"
3763   },
3764
3765   // ---------- player explosion element --------------------------------------
3766
3767   {
3768     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3769     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3770     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3771     &level.explosion_element[0],        1, 1,
3772     NULL, NULL, NULL, NULL,             "element for player explosion"
3773   },
3774
3775   // ---------- player initial inventory --------------------------------------
3776
3777   {
3778     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3779     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3780     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3781     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3782     NULL, NULL, NULL, NULL,             "content for initial inventory"
3783   },
3784
3785   // ---------- gray ball content -----------------------------------------
3786
3787   {
3788     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3789     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3790     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
3791     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
3792     "content:", NULL, NULL, NULL,       "content for gray ball"
3793   },
3794
3795   // ---------- element settings: configure 1 (custom elements) ---------------
3796
3797   // ---------- custom graphic ------------------------------------------------
3798
3799   {
3800     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3801     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3802     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3803     &custom_element.gfx_element_initial,1, 1,
3804     NULL, NULL, NULL, NULL,             "custom graphic element"
3805   },
3806
3807   // ---------- element settings: configure 2 (custom elements) ---------------
3808
3809   // ---------- custom content (when exploding) -------------------------------
3810
3811   {
3812     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3813     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3814     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3815     &custom_element.content.e[0][0],    3, 3,
3816     "content:", NULL, NULL, NULL,       NULL
3817   },
3818
3819   // ---------- custom enter and leave element (when moving) ------------------
3820
3821   {
3822     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3823     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3824     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3825     &custom_element.move_enter_element, 1, 1,
3826     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3827   },
3828   {
3829     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3830     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3831     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3832     &custom_element.move_leave_element, 1, 1,
3833     NULL, NULL, NULL, NULL,             "element that will be left behind"
3834   },
3835
3836   // ---------- element settings: advanced (custom elements) ------------------
3837
3838   // ---------- custom change target ------------------------------------------
3839
3840   {
3841     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3842     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3843     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3844     &custom_element_change.target_element, 1, 1,
3845     NULL, "after/when:", NULL, NULL,    "new target element after change"
3846   },
3847
3848   // ---------- custom change content (extended change target) ----------------
3849
3850   {
3851     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3852     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3853     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3854     &custom_element_change.target_content.e[0][0], 3, 3,
3855     NULL, NULL, NULL, NULL,             "new extended elements after change"
3856   },
3857
3858   // ---------- custom change trigger (element causing change) ----------------
3859
3860   {
3861     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3862     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3863     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3864     &custom_element_change.initial_trigger_element, 1, 1,
3865     NULL, NULL, NULL, NULL,             "other element triggering change"
3866   },
3867
3868   // ---------- custom change action (element used for action) ----------------
3869
3870   {
3871     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3872     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3873     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3874     &custom_element_change.action_element, 1, 1,
3875     NULL, NULL, NULL, NULL,             "element used as action parameter"
3876   },
3877
3878   // ---------- group element content -----------------------------------------
3879
3880   {
3881     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3882     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3883     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3884     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3885     "content:", NULL, NULL, NULL,       NULL
3886   },
3887
3888   // ---------- random background (for random painting) -----------------------
3889
3890   {
3891     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3892     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3893     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3894     &random_placement_background_element, 1, 1,
3895     NULL, NULL, NULL, NULL,             "random placement background"
3896   },
3897 };
3898
3899
3900 // ----------------------------------------------------------------------------
3901 // some internally used variables
3902 // ----------------------------------------------------------------------------
3903
3904 // maximal size of level editor drawing area
3905 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3906
3907 // actual size of level editor drawing area
3908 static int ed_fieldx, ed_fieldy;
3909
3910 // actual position of level editor drawing area in level playfield
3911 static int level_xpos = -1, level_ypos = -1;
3912
3913 // actual tile size used to display playfield drawing area
3914 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3915 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3916
3917 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3918
3919 // drawing elements on the three mouse buttons
3920 static int new_element1 = EL_WALL;
3921 static int new_element2 = EL_EMPTY;
3922 static int new_element3 = EL_SAND;
3923
3924 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3925 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3926                                 (button) == 2 ? new_element2 : \
3927                                 (button) == 3 ? new_element3 : EL_EMPTY)
3928
3929 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3930
3931 static int use_permanent_palette = TRUE;
3932
3933 #define PX              (use_permanent_palette ? DX : SX)
3934 #define PY              (use_permanent_palette ? DY : SY)
3935 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3936 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3937
3938 // forward declaration for internal use
3939 static void CopyBrushToCursor(int, int);
3940 static void DeleteBrushFromCursor(void);
3941 static void ModifyEditorCounterValue(int, int);
3942 static void ModifyEditorCounterLimits(int, int, int);
3943 static void ModifyEditorSelectboxValue(int, int);
3944 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3945 static void ModifyEditorDrawingArea(int, int, int);
3946 static void ModifyEditorElementList(void);
3947 static void AdjustElementListScrollbar(void);
3948 static void RedrawDrawingElements(void);
3949 static void DrawDrawingWindowExt(boolean);
3950 static void DrawDrawingWindow(void);
3951 static void DrawLevelInfoWindow(void);
3952 static void DrawPropertiesWindow(void);
3953 static void DrawPaletteWindow(void);
3954 static void UpdateCustomElementGraphicGadgets(void);
3955 static boolean checkPropertiesConfig(int);
3956 static void SetAutomaticNumberOfGemsNeeded(void);
3957 static void ClearEditorGadgetInfoText(void);
3958 static void CopyLevelToUndoBuffer(int);
3959 static void HandleDrawingAreas(struct GadgetInfo *);
3960 static void HandleCounterButtons(struct GadgetInfo *);
3961 static void HandleTextInputGadgets(struct GadgetInfo *);
3962 static void HandleTextAreaGadgets(struct GadgetInfo *);
3963 static void HandleSelectboxGadgets(struct GadgetInfo *);
3964 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3965 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3966 static void HandleRadiobuttons(struct GadgetInfo *);
3967 static void HandleCheckbuttons(struct GadgetInfo *);
3968 static void HandleControlButtons(struct GadgetInfo *);
3969 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3970 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3971 static boolean AskToCopyAndModifyLevelTemplate(void);
3972 static boolean getDrawModeHiRes(void);
3973 static int getTabulatorBarWidth(void);
3974 static int getTabulatorBarHeight(void);
3975 static Pixel getTabulatorBarColor(void);
3976
3977 static int num_editor_gadgets = 0;      // dynamically determined
3978
3979 static struct GadgetInfo **level_editor_gadget = NULL;
3980 static int *right_gadget_border = NULL;
3981
3982 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3983 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3984 static boolean draw_with_brush = FALSE;
3985 static int properties_element = 0;
3986
3987 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3988 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3989 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3990 static int undo_buffer_position = 0;
3991 static int undo_buffer_steps = 0;
3992 static int redo_buffer_steps = 0;
3993
3994 static int edit_mode;
3995 static int edit_mode_levelinfo;
3996 static int edit_mode_properties;
3997
3998 static int element_shift = 0;
3999
4000 static int editor_el_players[] =
4001 {
4002   EL_PLAYER_1,
4003   EL_PLAYER_2,
4004   EL_PLAYER_3,
4005   EL_PLAYER_4
4006 };
4007 static int *editor_el_players_ptr = editor_el_players;
4008 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4009
4010 static int editor_hl_boulderdash[] =
4011 {
4012   EL_INTERNAL_CASCADE_BD_ACTIVE,
4013   EL_CHAR('B'),
4014   EL_CHAR('D'),
4015   EL_EMPTY,
4016 };
4017
4018 static int editor_el_boulderdash[] =
4019 {
4020   EL_EMPTY,
4021   EL_SAND,
4022   EL_BD_ROCK,
4023   EL_BD_DIAMOND,
4024
4025   EL_STEELWALL,
4026   EL_BD_WALL,
4027   EL_BD_EXPANDABLE_WALL,
4028   EL_BD_MAGIC_WALL,
4029
4030   EL_BD_AMOEBA,
4031   EL_BD_BUTTERFLY_UP,
4032   EL_BD_FIREFLY_UP,
4033   EL_EXIT_CLOSED,
4034
4035   EL_BD_BUTTERFLY_LEFT,
4036   EL_BD_FIREFLY_LEFT,
4037   EL_BD_BUTTERFLY_RIGHT,
4038   EL_BD_FIREFLY_RIGHT,
4039
4040   EL_EMPTY,
4041   EL_BD_BUTTERFLY_DOWN,
4042   EL_BD_FIREFLY_DOWN,
4043   EL_EXIT_OPEN,
4044 };
4045 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4046 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4047 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4048 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4049
4050 static int editor_hl_emerald_mine[] =
4051 {
4052   EL_INTERNAL_CASCADE_EM_ACTIVE,
4053   EL_CHAR('E'),
4054   EL_CHAR('M'),
4055   EL_EMPTY,
4056 };
4057
4058 static int editor_el_emerald_mine[] =
4059 {
4060   EL_SAND,
4061   EL_ROCK,
4062   EL_QUICKSAND_EMPTY,
4063   EL_QUICKSAND_FULL,
4064
4065   EL_STEELWALL,
4066   EL_WALL,
4067   EL_WALL_SLIPPERY,
4068   EL_MAGIC_WALL,
4069
4070   EL_EMERALD,
4071   EL_DIAMOND,
4072   EL_NUT,
4073   EL_BOMB,
4074
4075   EL_EM_DYNAMITE,
4076   EL_EM_DYNAMITE_ACTIVE,
4077   EL_EM_EXIT_CLOSED,
4078   EL_EM_EXIT_OPEN,
4079
4080   EL_YAMYAM_UP,
4081   EL_BUG_UP,
4082   EL_SPACESHIP_UP,
4083   EL_ROBOT,
4084
4085   EL_BUG_LEFT,
4086   EL_SPACESHIP_LEFT,
4087   EL_BUG_RIGHT,
4088   EL_SPACESHIP_RIGHT,
4089
4090   EL_ROBOT_WHEEL,
4091   EL_BUG_DOWN,
4092   EL_SPACESHIP_DOWN,
4093   EL_INVISIBLE_WALL,
4094
4095   EL_ACID_POOL_TOPLEFT,
4096   EL_ACID,
4097   EL_ACID_POOL_TOPRIGHT,
4098   EL_AMOEBA_DROP,
4099
4100   EL_ACID_POOL_BOTTOMLEFT,
4101   EL_ACID_POOL_BOTTOM,
4102   EL_ACID_POOL_BOTTOMRIGHT,
4103   EL_AMOEBA_WET,
4104
4105   EL_EM_KEY_1,
4106   EL_EM_KEY_2,
4107   EL_EM_KEY_3,
4108   EL_EM_KEY_4,
4109
4110   EL_EM_GATE_1,
4111   EL_EM_GATE_2,
4112   EL_EM_GATE_3,
4113   EL_EM_GATE_4,
4114
4115   EL_EM_GATE_1_GRAY,
4116   EL_EM_GATE_2_GRAY,
4117   EL_EM_GATE_3_GRAY,
4118   EL_EM_GATE_4_GRAY,
4119 };
4120 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4121 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4122 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4123 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4124
4125 static int editor_hl_emerald_mine_club[] =
4126 {
4127   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4128   EL_CHAR('E'),
4129   EL_CHAR('M'),
4130   EL_CHAR('C'),
4131 };
4132
4133 static int editor_el_emerald_mine_club[] =
4134 {
4135   EL_EMC_KEY_5,
4136   EL_EMC_KEY_6,
4137   EL_EMC_KEY_7,
4138   EL_EMC_KEY_8,
4139
4140   EL_EMC_GATE_5,
4141   EL_EMC_GATE_6,
4142   EL_EMC_GATE_7,
4143   EL_EMC_GATE_8,
4144
4145   EL_EMC_GATE_5_GRAY,
4146   EL_EMC_GATE_6_GRAY,
4147   EL_EMC_GATE_7_GRAY,
4148   EL_EMC_GATE_8_GRAY,
4149
4150   EL_EMC_STEELWALL_1,
4151   EL_EMC_STEELWALL_2,
4152   EL_EMC_STEELWALL_3,
4153   EL_EMC_STEELWALL_4,
4154
4155   EL_EMC_WALL_13,
4156   EL_EMC_WALL_14,
4157   EL_EMC_WALL_15,
4158   EL_EMC_WALL_16,
4159
4160   EL_EMC_WALL_SLIPPERY_1,
4161   EL_EMC_WALL_SLIPPERY_2,
4162   EL_EMC_WALL_SLIPPERY_3,
4163   EL_EMC_WALL_SLIPPERY_4,
4164
4165   EL_EMC_WALL_1,
4166   EL_EMC_WALL_2,
4167   EL_EMC_WALL_3,
4168   EL_EMC_WALL_4,
4169
4170   EL_EMC_WALL_5,
4171   EL_EMC_WALL_6,
4172   EL_EMC_WALL_7,
4173   EL_EMC_WALL_8,
4174
4175   EL_EMC_WALL_9,
4176   EL_EMC_WALL_10,
4177   EL_EMC_WALL_11,
4178   EL_EMC_WALL_12,
4179
4180   EL_EMC_GRASS,
4181   EL_EMC_FAKE_GRASS,
4182   EL_EMC_PLANT,
4183   EL_EMC_DRIPPER,
4184
4185   EL_EMC_MAGIC_BALL,
4186   EL_EMC_MAGIC_BALL_SWITCH,
4187   EL_EMC_LENSES,
4188   EL_EMC_MAGNIFIER,
4189
4190   EL_SPRING_LEFT,
4191   EL_SPRING,
4192   EL_SPRING_RIGHT,
4193   EL_EMC_SPRING_BUMPER,
4194
4195   EL_BALLOON,
4196   EL_YAMYAM_UP,
4197   EL_BALLOON_SWITCH_UP,
4198   EL_BALLOON_SWITCH_ANY,
4199
4200   EL_YAMYAM_LEFT,
4201   EL_BALLOON_SWITCH_LEFT,
4202   EL_YAMYAM_RIGHT,
4203   EL_BALLOON_SWITCH_RIGHT,
4204
4205   EL_EMC_ANDROID,
4206   EL_YAMYAM_DOWN,
4207   EL_BALLOON_SWITCH_DOWN,
4208   EL_BALLOON_SWITCH_NONE,
4209 };
4210 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4211 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4212 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4213 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4214
4215 static int editor_hl_rnd[] =
4216 {
4217   EL_INTERNAL_CASCADE_RND_ACTIVE,
4218   EL_CHAR('R'),
4219   EL_CHAR('N'),
4220   EL_CHAR('D'),
4221 };
4222
4223 static int editor_el_rnd[] =
4224 {
4225   EL_DYNAMITE,                  // RND
4226   EL_DYNAMITE_ACTIVE,           // RND
4227   EL_EMPTY,
4228   EL_EMPTY,
4229
4230   EL_KEY_1,
4231   EL_KEY_2,
4232   EL_KEY_3,
4233   EL_KEY_4,
4234
4235   EL_GATE_1,
4236   EL_GATE_2,
4237   EL_GATE_3,
4238   EL_GATE_4,
4239
4240   EL_GATE_1_GRAY,
4241   EL_GATE_2_GRAY,
4242   EL_GATE_3_GRAY,
4243   EL_GATE_4_GRAY,
4244
4245   EL_ARROW_LEFT,
4246   EL_ARROW_RIGHT,
4247   EL_ARROW_UP,
4248   EL_ARROW_DOWN,
4249
4250   EL_AMOEBA_DEAD,
4251   EL_AMOEBA_DRY,
4252   EL_AMOEBA_FULL,
4253   EL_GAME_OF_LIFE,
4254
4255   EL_EMERALD_YELLOW,
4256   EL_EMERALD_RED,
4257   EL_EMERALD_PURPLE,
4258   EL_BIOMAZE,
4259
4260   EL_WALL_EMERALD_YELLOW,
4261   EL_WALL_EMERALD_RED,
4262   EL_WALL_EMERALD_PURPLE,
4263   EL_WALL_BD_DIAMOND,
4264
4265   EL_SPEED_PILL,
4266   EL_PACMAN_UP,
4267   EL_TIME_ORB_FULL,
4268   EL_TIME_ORB_EMPTY,
4269
4270   EL_PACMAN_LEFT,
4271   EL_DARK_YAMYAM,
4272   EL_PACMAN_RIGHT,
4273   EL_YAMYAM,                    // RND
4274
4275   EL_BLACK_ORB,
4276   EL_PACMAN_DOWN,
4277   EL_LAMP,
4278   EL_LAMP_ACTIVE,
4279
4280   EL_DYNABOMB_INCREASE_NUMBER,
4281   EL_DYNABOMB_INCREASE_SIZE,
4282   EL_DYNABOMB_INCREASE_POWER,
4283   EL_STONEBLOCK,
4284
4285   EL_MOLE,
4286   EL_PENGUIN,
4287   EL_PIG,
4288   EL_DRAGON,
4289
4290   EL_BUG,
4291   EL_MOLE_UP,
4292   EL_BD_BUTTERFLY,
4293   EL_BD_FIREFLY,
4294
4295   EL_MOLE_LEFT,
4296   EL_SATELLITE,
4297   EL_MOLE_RIGHT,
4298   EL_PACMAN,
4299
4300   EL_SPACESHIP,
4301   EL_MOLE_DOWN,
4302   EL_INVISIBLE_STEELWALL,
4303   EL_INVISIBLE_WALL,
4304
4305   EL_EXPANDABLE_WALL,
4306   EL_EXPANDABLE_WALL_HORIZONTAL,
4307   EL_EXPANDABLE_WALL_VERTICAL,
4308   EL_EXPANDABLE_WALL_ANY,
4309 };
4310 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4311 static int *editor_el_rnd_ptr = editor_el_rnd;
4312 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4313 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4314
4315 static int editor_hl_sokoban[] =
4316 {
4317   EL_INTERNAL_CASCADE_SB_ACTIVE,
4318   EL_CHAR('S'),
4319   EL_CHAR('B'),
4320   EL_EMPTY,
4321 };
4322
4323 static int editor_el_sokoban[] =
4324 {
4325   EL_SOKOBAN_OBJECT,
4326   EL_SOKOBAN_FIELD_EMPTY,
4327   EL_SOKOBAN_FIELD_FULL,
4328   EL_SOKOBAN_FIELD_PLAYER,
4329 };
4330 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4331 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4332 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4333 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4334
4335 static int editor_hl_supaplex[] =
4336 {
4337   EL_INTERNAL_CASCADE_SP_ACTIVE,
4338   EL_CHAR('S'),
4339   EL_CHAR('P'),
4340   EL_EMPTY,
4341 };
4342
4343 static int editor_el_supaplex[] =
4344 {
4345   EL_SP_MURPHY,
4346   EL_EMPTY,
4347   EL_SP_BASE,
4348   EL_SP_BUGGY_BASE,
4349
4350   EL_SP_INFOTRON,
4351   EL_SP_ZONK,
4352   EL_SP_SNIKSNAK,
4353   EL_SP_ELECTRON,
4354
4355   EL_SP_DISK_RED,
4356   EL_SP_DISK_ORANGE,
4357   EL_SP_DISK_YELLOW,
4358   EL_SP_TERMINAL,
4359
4360   EL_SP_EXIT_CLOSED,
4361   EL_SP_PORT_HORIZONTAL,
4362   EL_SP_PORT_VERTICAL,
4363   EL_SP_PORT_ANY,
4364
4365   EL_SP_PORT_LEFT,
4366   EL_SP_PORT_RIGHT,
4367   EL_SP_PORT_UP,
4368   EL_SP_PORT_DOWN,
4369
4370   EL_SP_GRAVITY_PORT_LEFT,
4371   EL_SP_GRAVITY_PORT_RIGHT,
4372   EL_SP_GRAVITY_PORT_UP,
4373   EL_SP_GRAVITY_PORT_DOWN,
4374
4375   EL_SP_GRAVITY_ON_PORT_LEFT,
4376   EL_SP_GRAVITY_ON_PORT_RIGHT,
4377   EL_SP_GRAVITY_ON_PORT_UP,
4378   EL_SP_GRAVITY_ON_PORT_DOWN,
4379
4380   EL_SP_GRAVITY_OFF_PORT_LEFT,
4381   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4382   EL_SP_GRAVITY_OFF_PORT_UP,
4383   EL_SP_GRAVITY_OFF_PORT_DOWN,
4384
4385   EL_SP_HARDWARE_GRAY,
4386   EL_SP_HARDWARE_GREEN,
4387   EL_SP_HARDWARE_BLUE,
4388   EL_SP_HARDWARE_RED,
4389
4390   EL_SP_HARDWARE_BASE_1,
4391   EL_SP_HARDWARE_BASE_2,
4392   EL_SP_HARDWARE_BASE_3,
4393   EL_SP_HARDWARE_BASE_4,
4394
4395   EL_SP_HARDWARE_BASE_5,
4396   EL_SP_HARDWARE_BASE_6,
4397   EL_SP_HARDWARE_YELLOW,
4398   EL_SP_CHIP_TOP,
4399
4400   EL_SP_CHIP_SINGLE,
4401   EL_SP_CHIP_LEFT,
4402   EL_SP_CHIP_RIGHT,
4403   EL_SP_CHIP_BOTTOM,
4404 };
4405 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4406 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4407 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4408 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4409
4410 static int editor_hl_diamond_caves[] =
4411 {
4412   EL_INTERNAL_CASCADE_DC_ACTIVE,
4413   EL_CHAR('D'),
4414   EL_CHAR('C'),
4415   EL_CHAR('2'),
4416 };
4417
4418 static int editor_el_diamond_caves[] =
4419 {
4420   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4421   EL_EM_STEEL_EXIT_OPEN,        // DC2
4422   EL_WALL_EMERALD,              // DC2
4423   EL_WALL_DIAMOND,              // DC2
4424
4425   EL_PEARL,
4426   EL_CRYSTAL,
4427   EL_WALL_PEARL,
4428   EL_WALL_CRYSTAL,
4429
4430   EL_CONVEYOR_BELT_1_LEFT,
4431   EL_CONVEYOR_BELT_1_MIDDLE,
4432   EL_CONVEYOR_BELT_1_RIGHT,
4433   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4434
4435   EL_CONVEYOR_BELT_2_LEFT,
4436   EL_CONVEYOR_BELT_2_MIDDLE,
4437   EL_CONVEYOR_BELT_2_RIGHT,
4438   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4439
4440   EL_CONVEYOR_BELT_3_LEFT,
4441   EL_CONVEYOR_BELT_3_MIDDLE,
4442   EL_CONVEYOR_BELT_3_RIGHT,
4443   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4444
4445   EL_CONVEYOR_BELT_4_LEFT,
4446   EL_CONVEYOR_BELT_4_MIDDLE,
4447   EL_CONVEYOR_BELT_4_RIGHT,
4448   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4449
4450   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4451   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4452   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4453   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4454
4455   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4456   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4457   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4458   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4459
4460   EL_TIMEGATE_CLOSED,
4461   EL_TIMEGATE_OPEN,
4462   EL_TIMEGATE_SWITCH,
4463   EL_DC_TIMEGATE_SWITCH,
4464
4465   EL_SWITCHGATE_CLOSED,
4466   EL_SWITCHGATE_OPEN,
4467   EL_SWITCHGATE_SWITCH_UP,
4468   EL_SWITCHGATE_SWITCH_DOWN,
4469
4470   EL_LIGHT_SWITCH,
4471   EL_LIGHT_SWITCH_ACTIVE,
4472   EL_DC_SWITCHGATE_SWITCH_UP,
4473   EL_DC_SWITCHGATE_SWITCH_DOWN,
4474
4475   EL_STEEL_EXIT_CLOSED,
4476   EL_STEEL_EXIT_OPEN,
4477   EL_STEELWALL_SLIPPERY,
4478   EL_INVISIBLE_SAND,
4479
4480   EL_QUICKSAND_FAST_EMPTY,
4481   EL_QUICKSAND_FAST_FULL,
4482   EL_LANDMINE,
4483   EL_DC_LANDMINE,
4484
4485   EL_SHIELD_NORMAL,
4486   EL_SHIELD_DEADLY,
4487   EL_EXTRA_TIME,
4488   EL_DC_MAGIC_WALL,
4489
4490   EL_ENVELOPE_1,
4491   EL_ENVELOPE_2,
4492   EL_ENVELOPE_3,
4493   EL_ENVELOPE_4,
4494
4495   EL_SIGN_RADIOACTIVITY,
4496   EL_SIGN_WHEELCHAIR,
4497   EL_SIGN_PARKING,
4498   EL_SIGN_NO_ENTRY,
4499
4500   EL_SIGN_GIVE_WAY,
4501   EL_SIGN_ENTRY_FORBIDDEN,
4502   EL_SIGN_EMERGENCY_EXIT,
4503   EL_SIGN_YIN_YANG,
4504
4505 #if 0
4506   EL_SIGN_SPERMS,
4507   EL_SIGN_BULLET,
4508   EL_SIGN_HEART,
4509   EL_SIGN_CROSS,
4510
4511   EL_SIGN_FRANKIE,
4512   EL_EMPTY,
4513   EL_EMPTY,
4514   EL_EMPTY,
4515
4516   EL_SPERMS,
4517   EL_BULLET,
4518   EL_HEART,
4519   EL_CROSS,
4520
4521   EL_FRANKIE,
4522   EL_EMPTY,
4523   EL_EMPTY,
4524   EL_EMPTY,
4525 #endif
4526
4527   EL_DC_STEELWALL_2_SINGLE,
4528   EL_DC_STEELWALL_2_TOP,
4529   EL_SIGN_EXCLAMATION,
4530   EL_SIGN_STOP,
4531
4532   EL_DC_STEELWALL_2_LEFT,
4533   EL_DC_STEELWALL_2_MIDDLE,
4534   EL_DC_STEELWALL_2_HORIZONTAL,
4535   EL_DC_STEELWALL_2_RIGHT,
4536
4537   EL_DC_STEELWALL_1_TOPLEFT,
4538   EL_DC_STEELWALL_2_VERTICAL,
4539   EL_DC_STEELWALL_1_TOPRIGHT,
4540   EL_DC_GATE_WHITE,
4541
4542   EL_DC_STEELWALL_1_VERTICAL,
4543   EL_DC_STEELWALL_2_BOTTOM,
4544   EL_DC_KEY_WHITE,
4545   EL_DC_GATE_WHITE_GRAY,
4546
4547   EL_DC_STEELWALL_1_BOTTOMLEFT,
4548   EL_DC_STEELWALL_1_HORIZONTAL,
4549   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4550   EL_DC_GATE_FAKE_GRAY,
4551
4552   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4553   EL_DC_STEELWALL_1_BOTTOM,
4554   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4555   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4556
4557   EL_DC_STEELWALL_1_RIGHT,
4558   EL_EMPTY,
4559   EL_DC_STEELWALL_1_LEFT,
4560   EL_EXPANDABLE_STEELWALL_VERTICAL,
4561
4562   EL_DC_STEELWALL_1_TOPRIGHT_2,
4563   EL_DC_STEELWALL_1_TOP,
4564   EL_DC_STEELWALL_1_TOPLEFT_2,
4565   EL_EXPANDABLE_STEELWALL_ANY,
4566 };
4567 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4568 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4569 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4570 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4571
4572 static int editor_hl_dx_boulderdash[] =
4573 {
4574   EL_INTERNAL_CASCADE_DX_ACTIVE,
4575   EL_CHAR('D'),
4576   EL_CHAR('X'),
4577   EL_EMPTY,
4578 };
4579
4580 static int editor_el_dx_boulderdash[] =
4581 {
4582   EL_EMPTY,
4583   EL_TUBE_RIGHT_DOWN,
4584   EL_TUBE_HORIZONTAL_DOWN,
4585   EL_TUBE_LEFT_DOWN,
4586
4587   EL_TUBE_HORIZONTAL,
4588   EL_TUBE_VERTICAL_RIGHT,
4589   EL_TUBE_ANY,
4590   EL_TUBE_VERTICAL_LEFT,
4591
4592   EL_TUBE_VERTICAL,
4593   EL_TUBE_RIGHT_UP,
4594   EL_TUBE_HORIZONTAL_UP,
4595   EL_TUBE_LEFT_UP,
4596
4597   EL_TRAP,
4598   EL_DX_SUPABOMB,
4599   EL_EMPTY,
4600   EL_EMPTY
4601 };
4602 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4603 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4604 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4605 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4606
4607 static int editor_hl_mirror_magic[] =
4608 {
4609   EL_INTERNAL_CASCADE_MM_ACTIVE,
4610   EL_CHAR('M'),
4611   EL_CHAR('M'),
4612   EL_EMPTY,
4613 };
4614
4615 static int editor_el_mirror_magic[] =
4616 {
4617   EL_MM_MCDUFFIN_RIGHT,
4618   EL_MM_MCDUFFIN_UP,
4619   EL_MM_MCDUFFIN_LEFT,
4620   EL_MM_MCDUFFIN_DOWN,
4621
4622   EL_MM_MIRROR_START,
4623   EL_MM_MIRROR_FIXED_START,
4624   EL_MM_POLARIZER_START,
4625   EL_MM_POLARIZER_CROSS_START,
4626
4627   EL_MM_TELEPORTER_RED_START,
4628   EL_MM_TELEPORTER_YELLOW_START,
4629   EL_MM_TELEPORTER_GREEN_START,
4630   EL_MM_TELEPORTER_BLUE_START,
4631
4632   EL_MM_PRISM,
4633   EL_MM_FUSE_ACTIVE,
4634   EL_MM_PACMAN_RIGHT,
4635   EL_MM_EXIT_CLOSED,
4636
4637   EL_MM_KETTLE,
4638   EL_MM_BOMB,
4639   EL_MM_KEY,
4640   EL_MM_FUEL_FULL,
4641
4642   EL_MM_LIGHTBULB,
4643   EL_MM_LIGHTBULB_ACTIVE,
4644   EL_MM_GRAY_BALL,
4645   EL_MM_LIGHTBALL,
4646
4647   EL_MM_STEEL_WALL,
4648   EL_MM_WOODEN_WALL,
4649   EL_MM_ICE_WALL,
4650   EL_MM_AMOEBA_WALL,
4651
4652   EL_MM_STEEL_LOCK,
4653   EL_MM_WOODEN_LOCK,
4654   EL_MM_STEEL_BLOCK,
4655   EL_MM_WOODEN_BLOCK,
4656
4657   EL_MM_STEEL_GRID_FIXED_1,
4658   EL_MM_STEEL_GRID_FIXED_2,
4659   EL_MM_STEEL_GRID_FIXED_3,
4660   EL_MM_STEEL_GRID_FIXED_4,
4661
4662   EL_MM_WOODEN_GRID_FIXED_1,
4663   EL_MM_WOODEN_GRID_FIXED_2,
4664   EL_MM_WOODEN_GRID_FIXED_3,
4665   EL_MM_WOODEN_GRID_FIXED_4,
4666
4667   EL_MM_ENVELOPE_1,
4668   EL_MM_ENVELOPE_2,
4669   EL_MM_ENVELOPE_3,
4670   EL_MM_ENVELOPE_4
4671 };
4672 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4673 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4674 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4675 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4676
4677 static int editor_hl_deflektor[] =
4678 {
4679   EL_INTERNAL_CASCADE_DF_ACTIVE,
4680   EL_CHAR('D'),
4681   EL_CHAR('F'),
4682   EL_EMPTY,
4683 };
4684
4685 static int editor_el_deflektor[] =
4686 {
4687   EL_DF_LASER_RIGHT,
4688   EL_DF_LASER_UP,
4689   EL_DF_LASER_LEFT,
4690   EL_DF_LASER_DOWN,
4691
4692   EL_DF_RECEIVER_RIGHT,
4693   EL_DF_RECEIVER_UP,
4694   EL_DF_RECEIVER_LEFT,
4695   EL_DF_RECEIVER_DOWN,
4696
4697   EL_DF_MIRROR_START,
4698   EL_DF_MIRROR_ROTATING_START,
4699   EL_DF_CELL,
4700   EL_DF_MINE,
4701
4702   EL_DF_FIBRE_OPTIC_RED_1,
4703   EL_DF_FIBRE_OPTIC_YELLOW_1,
4704   EL_DF_FIBRE_OPTIC_GREEN_1,
4705   EL_DF_FIBRE_OPTIC_BLUE_1,
4706
4707   EL_DF_STEEL_GRID_FIXED_START,
4708   EL_DF_STEEL_GRID_ROTATING_START,
4709   EL_DF_WOODEN_GRID_FIXED_START,
4710   EL_DF_WOODEN_GRID_ROTATING_START,
4711
4712   EL_DF_STEEL_WALL,
4713   EL_DF_WOODEN_WALL,
4714   EL_DF_REFRACTOR,
4715   EL_EMPTY
4716 };
4717 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4718 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4719 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4720 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4721
4722 static int editor_hl_chars[] =
4723 {
4724   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4725   EL_CHAR('T'),
4726   EL_CHAR('X'),
4727   EL_CHAR('T'),
4728 };
4729
4730 static int editor_el_chars[] =
4731 {
4732   EL_CHAR(' '),
4733   EL_CHAR('!'),
4734   EL_CHAR('"'),
4735   EL_CHAR('#'),
4736
4737   EL_CHAR('$'),
4738   EL_CHAR('%'),
4739   EL_CHAR('&'),
4740   EL_CHAR('\''),
4741
4742   EL_CHAR('('),
4743   EL_CHAR(')'),
4744   EL_CHAR('*'),
4745   EL_CHAR('+'),
4746
4747   EL_CHAR(','),
4748   EL_CHAR('-'),
4749   EL_CHAR('.'),
4750   EL_CHAR('/'),
4751
4752   EL_CHAR('0'),
4753   EL_CHAR('1'),
4754   EL_CHAR('2'),
4755   EL_CHAR('3'),
4756
4757   EL_CHAR('4'),
4758   EL_CHAR('5'),
4759   EL_CHAR('6'),
4760   EL_CHAR('7'),
4761
4762   EL_CHAR('8'),
4763   EL_CHAR('9'),
4764   EL_CHAR(':'),
4765   EL_CHAR(';'),
4766
4767   EL_CHAR('<'),
4768   EL_CHAR('='),
4769   EL_CHAR('>'),
4770   EL_CHAR('?'),
4771
4772   EL_CHAR('@'),
4773   EL_CHAR('A'),
4774   EL_CHAR('B'),
4775   EL_CHAR('C'),
4776
4777   EL_CHAR('D'),
4778   EL_CHAR('E'),
4779   EL_CHAR('F'),
4780   EL_CHAR('G'),
4781
4782   EL_CHAR('H'),
4783   EL_CHAR('I'),
4784   EL_CHAR('J'),
4785   EL_CHAR('K'),
4786
4787   EL_CHAR('L'),
4788   EL_CHAR('M'),
4789   EL_CHAR('N'),
4790   EL_CHAR('O'),
4791
4792   EL_CHAR('P'),
4793   EL_CHAR('Q'),
4794   EL_CHAR('R'),
4795   EL_CHAR('S'),
4796
4797   EL_CHAR('T'),
4798   EL_CHAR('U'),
4799   EL_CHAR('V'),
4800   EL_CHAR('W'),
4801
4802   EL_CHAR('X'),
4803   EL_CHAR('Y'),
4804   EL_CHAR('Z'),
4805   EL_CHAR('['),
4806
4807   EL_CHAR('\\'),
4808   EL_CHAR(']'),
4809   EL_CHAR('^'),
4810   EL_CHAR('_'),
4811
4812   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4813   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4814   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4815   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4816
4817   EL_CHAR(CHAR_BYTE_DEGREE),
4818   EL_CHAR(CHAR_BYTE_REGISTERED),
4819   EL_CHAR(FONT_ASCII_CURSOR),
4820   EL_CHAR(FONT_ASCII_BUTTON),
4821
4822   EL_CHAR(FONT_ASCII_UP),
4823   EL_CHAR(FONT_ASCII_DOWN),
4824   EL_CHAR(' '),
4825   EL_CHAR(' ')
4826 };
4827 static int *editor_hl_chars_ptr = editor_hl_chars;
4828 static int *editor_el_chars_ptr = editor_el_chars;
4829 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4830 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4831
4832 static int editor_hl_steel_chars[] =
4833 {
4834   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4835   EL_STEEL_CHAR('T'),
4836   EL_STEEL_CHAR('X'),
4837   EL_STEEL_CHAR('T'),
4838 };
4839
4840 static int editor_el_steel_chars[] =
4841 {
4842   EL_STEEL_CHAR(' '),
4843   EL_STEEL_CHAR('!'),
4844   EL_STEEL_CHAR('"'),
4845   EL_STEEL_CHAR('#'),
4846
4847   EL_STEEL_CHAR('$'),
4848   EL_STEEL_CHAR('%'),
4849   EL_STEEL_CHAR('&'),
4850   EL_STEEL_CHAR('\''),
4851
4852   EL_STEEL_CHAR('('),
4853   EL_STEEL_CHAR(')'),
4854   EL_STEEL_CHAR('*'),
4855   EL_STEEL_CHAR('+'),
4856
4857   EL_STEEL_CHAR(','),
4858   EL_STEEL_CHAR('-'),
4859   EL_STEEL_CHAR('.'),
4860   EL_STEEL_CHAR('/'),
4861
4862   EL_STEEL_CHAR('0'),
4863   EL_STEEL_CHAR('1'),
4864   EL_STEEL_CHAR('2'),
4865   EL_STEEL_CHAR('3'),
4866
4867   EL_STEEL_CHAR('4'),
4868   EL_STEEL_CHAR('5'),
4869   EL_STEEL_CHAR('6'),
4870   EL_STEEL_CHAR('7'),
4871
4872   EL_STEEL_CHAR('8'),
4873   EL_STEEL_CHAR('9'),
4874   EL_STEEL_CHAR(':'),
4875   EL_STEEL_CHAR(';'),
4876
4877   EL_STEEL_CHAR('<'),
4878   EL_STEEL_CHAR('='),
4879   EL_STEEL_CHAR('>'),
4880   EL_STEEL_CHAR('?'),
4881
4882   EL_STEEL_CHAR('@'),
4883   EL_STEEL_CHAR('A'),
4884   EL_STEEL_CHAR('B'),
4885   EL_STEEL_CHAR('C'),
4886
4887   EL_STEEL_CHAR('D'),
4888   EL_STEEL_CHAR('E'),
4889   EL_STEEL_CHAR('F'),
4890   EL_STEEL_CHAR('G'),
4891
4892   EL_STEEL_CHAR('H'),
4893   EL_STEEL_CHAR('I'),
4894   EL_STEEL_CHAR('J'),
4895   EL_STEEL_CHAR('K'),
4896
4897   EL_STEEL_CHAR('L'),
4898   EL_STEEL_CHAR('M'),
4899   EL_STEEL_CHAR('N'),
4900   EL_STEEL_CHAR('O'),
4901
4902   EL_STEEL_CHAR('P'),
4903   EL_STEEL_CHAR('Q'),
4904   EL_STEEL_CHAR('R'),
4905   EL_STEEL_CHAR('S'),
4906
4907   EL_STEEL_CHAR('T'),
4908   EL_STEEL_CHAR('U'),
4909   EL_STEEL_CHAR('V'),
4910   EL_STEEL_CHAR('W'),
4911
4912   EL_STEEL_CHAR('X'),
4913   EL_STEEL_CHAR('Y'),
4914   EL_STEEL_CHAR('Z'),
4915   EL_STEEL_CHAR('['),
4916
4917   EL_STEEL_CHAR('\\'),
4918   EL_STEEL_CHAR(']'),
4919   EL_STEEL_CHAR('^'),
4920   EL_STEEL_CHAR('_'),
4921
4922   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4923   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4924   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4925   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4926
4927   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4928   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4929   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4930   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4931
4932   EL_STEEL_CHAR(FONT_ASCII_UP),
4933   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4934   EL_STEEL_CHAR(' '),
4935   EL_STEEL_CHAR(' ')
4936 };
4937 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4938 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4939 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4940 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4941
4942 static int editor_hl_custom[] =
4943 {
4944   EL_INTERNAL_CASCADE_CE_ACTIVE,
4945   EL_CHAR('C'),
4946   EL_CHAR('E'),
4947   EL_EMPTY,
4948 };
4949
4950 static int editor_el_custom[] =
4951 {
4952   EL_CUSTOM_START + 0,
4953   EL_CUSTOM_START + 1,
4954   EL_CUSTOM_START + 2,
4955   EL_CUSTOM_START + 3,
4956
4957   EL_CUSTOM_START + 4,
4958   EL_CUSTOM_START + 5,
4959   EL_CUSTOM_START + 6,
4960   EL_CUSTOM_START + 7,
4961
4962   EL_CUSTOM_START + 8,
4963   EL_CUSTOM_START + 9,
4964   EL_CUSTOM_START + 10,
4965   EL_CUSTOM_START + 11,
4966
4967   EL_CUSTOM_START + 12,
4968   EL_CUSTOM_START + 13,
4969   EL_CUSTOM_START + 14,
4970   EL_CUSTOM_START + 15,
4971
4972   EL_CUSTOM_START + 16,
4973   EL_CUSTOM_START + 17,
4974   EL_CUSTOM_START + 18,
4975   EL_CUSTOM_START + 19,
4976
4977   EL_CUSTOM_START + 20,
4978   EL_CUSTOM_START + 21,
4979   EL_CUSTOM_START + 22,
4980   EL_CUSTOM_START + 23,
4981
4982   EL_CUSTOM_START + 24,
4983   EL_CUSTOM_START + 25,
4984   EL_CUSTOM_START + 26,
4985   EL_CUSTOM_START + 27,
4986
4987   EL_CUSTOM_START + 28,
4988   EL_CUSTOM_START + 29,
4989   EL_CUSTOM_START + 30,
4990   EL_CUSTOM_START + 31,
4991
4992   EL_CUSTOM_START + 32,
4993   EL_CUSTOM_START + 33,
4994   EL_CUSTOM_START + 34,
4995   EL_CUSTOM_START + 35,
4996
4997   EL_CUSTOM_START + 36,
4998   EL_CUSTOM_START + 37,
4999   EL_CUSTOM_START + 38,
5000   EL_CUSTOM_START + 39,
5001
5002   EL_CUSTOM_START + 40,
5003   EL_CUSTOM_START + 41,
5004   EL_CUSTOM_START + 42,
5005   EL_CUSTOM_START + 43,
5006
5007   EL_CUSTOM_START + 44,
5008   EL_CUSTOM_START + 45,
5009   EL_CUSTOM_START + 46,
5010   EL_CUSTOM_START + 47,
5011
5012   EL_CUSTOM_START + 48,
5013   EL_CUSTOM_START + 49,
5014   EL_CUSTOM_START + 50,
5015   EL_CUSTOM_START + 51,
5016
5017   EL_CUSTOM_START + 52,
5018   EL_CUSTOM_START + 53,
5019   EL_CUSTOM_START + 54,
5020   EL_CUSTOM_START + 55,
5021
5022   EL_CUSTOM_START + 56,
5023   EL_CUSTOM_START + 57,
5024   EL_CUSTOM_START + 58,
5025   EL_CUSTOM_START + 59,
5026
5027   EL_CUSTOM_START + 60,
5028   EL_CUSTOM_START + 61,
5029   EL_CUSTOM_START + 62,
5030   EL_CUSTOM_START + 63,
5031
5032   EL_CUSTOM_START + 64,
5033   EL_CUSTOM_START + 65,
5034   EL_CUSTOM_START + 66,
5035   EL_CUSTOM_START + 67,
5036
5037   EL_CUSTOM_START + 68,
5038   EL_CUSTOM_START + 69,
5039   EL_CUSTOM_START + 70,
5040   EL_CUSTOM_START + 71,
5041
5042   EL_CUSTOM_START + 72,
5043   EL_CUSTOM_START + 73,
5044   EL_CUSTOM_START + 74,
5045   EL_CUSTOM_START + 75,
5046
5047   EL_CUSTOM_START + 76,
5048   EL_CUSTOM_START + 77,
5049   EL_CUSTOM_START + 78,
5050   EL_CUSTOM_START + 79,
5051
5052   EL_CUSTOM_START + 80,
5053   EL_CUSTOM_START + 81,
5054   EL_CUSTOM_START + 82,
5055   EL_CUSTOM_START + 83,
5056
5057   EL_CUSTOM_START + 84,
5058   EL_CUSTOM_START + 85,
5059   EL_CUSTOM_START + 86,
5060   EL_CUSTOM_START + 87,
5061
5062   EL_CUSTOM_START + 88,
5063   EL_CUSTOM_START + 89,
5064   EL_CUSTOM_START + 90,
5065   EL_CUSTOM_START + 91,
5066
5067   EL_CUSTOM_START + 92,
5068   EL_CUSTOM_START + 93,
5069   EL_CUSTOM_START + 94,
5070   EL_CUSTOM_START + 95,
5071
5072   EL_CUSTOM_START + 96,
5073   EL_CUSTOM_START + 97,
5074   EL_CUSTOM_START + 98,
5075   EL_CUSTOM_START + 99,
5076
5077   EL_CUSTOM_START + 100,
5078   EL_CUSTOM_START + 101,
5079   EL_CUSTOM_START + 102,
5080   EL_CUSTOM_START + 103,
5081
5082   EL_CUSTOM_START + 104,
5083   EL_CUSTOM_START + 105,
5084   EL_CUSTOM_START + 106,
5085   EL_CUSTOM_START + 107,
5086
5087   EL_CUSTOM_START + 108,
5088   EL_CUSTOM_START + 109,
5089   EL_CUSTOM_START + 110,
5090   EL_CUSTOM_START + 111,
5091
5092   EL_CUSTOM_START + 112,
5093   EL_CUSTOM_START + 113,
5094   EL_CUSTOM_START + 114,
5095   EL_CUSTOM_START + 115,
5096
5097   EL_CUSTOM_START + 116,
5098   EL_CUSTOM_START + 117,
5099   EL_CUSTOM_START + 118,
5100   EL_CUSTOM_START + 119,
5101
5102   EL_CUSTOM_START + 120,
5103   EL_CUSTOM_START + 121,
5104   EL_CUSTOM_START + 122,
5105   EL_CUSTOM_START + 123,
5106
5107   EL_CUSTOM_START + 124,
5108   EL_CUSTOM_START + 125,
5109   EL_CUSTOM_START + 126,
5110   EL_CUSTOM_START + 127,
5111
5112   EL_CUSTOM_START + 128,
5113   EL_CUSTOM_START + 129,
5114   EL_CUSTOM_START + 130,
5115   EL_CUSTOM_START + 131,
5116
5117   EL_CUSTOM_START + 132,
5118   EL_CUSTOM_START + 133,
5119   EL_CUSTOM_START + 134,
5120   EL_CUSTOM_START + 135,
5121
5122   EL_CUSTOM_START + 136,
5123   EL_CUSTOM_START + 137,
5124   EL_CUSTOM_START + 138,
5125   EL_CUSTOM_START + 139,
5126
5127   EL_CUSTOM_START + 140,
5128   EL_CUSTOM_START + 141,
5129   EL_CUSTOM_START + 142,
5130   EL_CUSTOM_START + 143,
5131
5132   EL_CUSTOM_START + 144,
5133   EL_CUSTOM_START + 145,
5134   EL_CUSTOM_START + 146,
5135   EL_CUSTOM_START + 147,
5136
5137   EL_CUSTOM_START + 148,
5138   EL_CUSTOM_START + 149,
5139   EL_CUSTOM_START + 150,
5140   EL_CUSTOM_START + 151,
5141
5142   EL_CUSTOM_START + 152,
5143   EL_CUSTOM_START + 153,
5144   EL_CUSTOM_START + 154,
5145   EL_CUSTOM_START + 155,
5146
5147   EL_CUSTOM_START + 156,
5148   EL_CUSTOM_START + 157,
5149   EL_CUSTOM_START + 158,
5150   EL_CUSTOM_START + 159,
5151
5152   EL_CUSTOM_START + 160,
5153   EL_CUSTOM_START + 161,
5154   EL_CUSTOM_START + 162,
5155   EL_CUSTOM_START + 163,
5156
5157   EL_CUSTOM_START + 164,
5158   EL_CUSTOM_START + 165,
5159   EL_CUSTOM_START + 166,
5160   EL_CUSTOM_START + 167,
5161
5162   EL_CUSTOM_START + 168,
5163   EL_CUSTOM_START + 169,
5164   EL_CUSTOM_START + 170,
5165   EL_CUSTOM_START + 171,
5166
5167   EL_CUSTOM_START + 172,
5168   EL_CUSTOM_START + 173,
5169   EL_CUSTOM_START + 174,
5170   EL_CUSTOM_START + 175,
5171
5172   EL_CUSTOM_START + 176,
5173   EL_CUSTOM_START + 177,
5174   EL_CUSTOM_START + 178,
5175   EL_CUSTOM_START + 179,
5176
5177   EL_CUSTOM_START + 180,
5178   EL_CUSTOM_START + 181,
5179   EL_CUSTOM_START + 182,
5180   EL_CUSTOM_START + 183,
5181
5182   EL_CUSTOM_START + 184,
5183   EL_CUSTOM_START + 185,
5184   EL_CUSTOM_START + 186,
5185   EL_CUSTOM_START + 187,
5186
5187   EL_CUSTOM_START + 188,
5188   EL_CUSTOM_START + 189,
5189   EL_CUSTOM_START + 190,
5190   EL_CUSTOM_START + 191,
5191
5192   EL_CUSTOM_START + 192,
5193   EL_CUSTOM_START + 193,
5194   EL_CUSTOM_START + 194,
5195   EL_CUSTOM_START + 195,
5196
5197   EL_CUSTOM_START + 196,
5198   EL_CUSTOM_START + 197,
5199   EL_CUSTOM_START + 198,
5200   EL_CUSTOM_START + 199,
5201
5202   EL_CUSTOM_START + 200,
5203   EL_CUSTOM_START + 201,
5204   EL_CUSTOM_START + 202,
5205   EL_CUSTOM_START + 203,
5206
5207   EL_CUSTOM_START + 204,
5208   EL_CUSTOM_START + 205,
5209   EL_CUSTOM_START + 206,
5210   EL_CUSTOM_START + 207,
5211
5212   EL_CUSTOM_START + 208,
5213   EL_CUSTOM_START + 209,
5214   EL_CUSTOM_START + 210,
5215   EL_CUSTOM_START + 211,
5216
5217   EL_CUSTOM_START + 212,
5218   EL_CUSTOM_START + 213,
5219   EL_CUSTOM_START + 214,
5220   EL_CUSTOM_START + 215,
5221
5222   EL_CUSTOM_START + 216,
5223   EL_CUSTOM_START + 217,
5224   EL_CUSTOM_START + 218,
5225   EL_CUSTOM_START + 219,
5226
5227   EL_CUSTOM_START + 220,
5228   EL_CUSTOM_START + 221,
5229   EL_CUSTOM_START + 222,
5230   EL_CUSTOM_START + 223,
5231
5232   EL_CUSTOM_START + 224,
5233   EL_CUSTOM_START + 225,
5234   EL_CUSTOM_START + 226,
5235   EL_CUSTOM_START + 227,
5236
5237   EL_CUSTOM_START + 228,
5238   EL_CUSTOM_START + 229,
5239   EL_CUSTOM_START + 230,
5240   EL_CUSTOM_START + 231,
5241
5242   EL_CUSTOM_START + 232,
5243   EL_CUSTOM_START + 233,
5244   EL_CUSTOM_START + 234,
5245   EL_CUSTOM_START + 235,
5246
5247   EL_CUSTOM_START + 236,
5248   EL_CUSTOM_START + 237,
5249   EL_CUSTOM_START + 238,
5250   EL_CUSTOM_START + 239,
5251
5252   EL_CUSTOM_START + 240,
5253   EL_CUSTOM_START + 241,
5254   EL_CUSTOM_START + 242,
5255   EL_CUSTOM_START + 243,
5256
5257   EL_CUSTOM_START + 244,
5258   EL_CUSTOM_START + 245,
5259   EL_CUSTOM_START + 246,
5260   EL_CUSTOM_START + 247,
5261
5262   EL_CUSTOM_START + 248,
5263   EL_CUSTOM_START + 249,
5264   EL_CUSTOM_START + 250,
5265   EL_CUSTOM_START + 251,
5266
5267   EL_CUSTOM_START + 252,
5268   EL_CUSTOM_START + 253,
5269   EL_CUSTOM_START + 254,
5270   EL_CUSTOM_START + 255
5271 };
5272 static int *editor_hl_custom_ptr = editor_hl_custom;
5273 static int *editor_el_custom_ptr = editor_el_custom;
5274 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5275 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5276
5277 static int editor_hl_group[] =
5278 {
5279   EL_INTERNAL_CASCADE_GE_ACTIVE,
5280   EL_CHAR('G'),
5281   EL_CHAR('E'),
5282   EL_EMPTY,
5283 };
5284
5285 static int editor_el_group[] =
5286 {
5287   EL_GROUP_START + 0,
5288   EL_GROUP_START + 1,
5289   EL_GROUP_START + 2,
5290   EL_GROUP_START + 3,
5291
5292   EL_GROUP_START + 4,
5293   EL_GROUP_START + 5,
5294   EL_GROUP_START + 6,
5295   EL_GROUP_START + 7,
5296
5297   EL_GROUP_START + 8,
5298   EL_GROUP_START + 9,
5299   EL_GROUP_START + 10,
5300   EL_GROUP_START + 11,
5301
5302   EL_GROUP_START + 12,
5303   EL_GROUP_START + 13,
5304   EL_GROUP_START + 14,
5305   EL_GROUP_START + 15,
5306
5307   EL_GROUP_START + 16,
5308   EL_GROUP_START + 17,
5309   EL_GROUP_START + 18,
5310   EL_GROUP_START + 19,
5311
5312   EL_GROUP_START + 20,
5313   EL_GROUP_START + 21,
5314   EL_GROUP_START + 22,
5315   EL_GROUP_START + 23,
5316
5317   EL_GROUP_START + 24,
5318   EL_GROUP_START + 25,
5319   EL_GROUP_START + 26,
5320   EL_GROUP_START + 27,
5321
5322   EL_GROUP_START + 28,
5323   EL_GROUP_START + 29,
5324   EL_GROUP_START + 30,
5325   EL_GROUP_START + 31
5326 };
5327 static int *editor_hl_group_ptr = editor_hl_group;
5328 static int *editor_el_group_ptr = editor_el_group;
5329 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5330 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5331
5332 static int editor_hl_empty_space[] =
5333 {
5334   EL_INTERNAL_CASCADE_ES_ACTIVE,
5335   EL_CHAR('E'),
5336   EL_CHAR('S'),
5337   EL_EMPTY,
5338 };
5339
5340 static int editor_el_empty_space[] =
5341 {
5342   EL_EMPTY_SPACE_1,
5343   EL_EMPTY_SPACE_2,
5344   EL_EMPTY_SPACE_3,
5345   EL_EMPTY_SPACE_4,
5346
5347   EL_EMPTY_SPACE_5,
5348   EL_EMPTY_SPACE_6,
5349   EL_EMPTY_SPACE_7,
5350   EL_EMPTY_SPACE_8,
5351
5352   EL_EMPTY_SPACE_9,
5353   EL_EMPTY_SPACE_10,
5354   EL_EMPTY_SPACE_11,
5355   EL_EMPTY_SPACE_12,
5356
5357   EL_EMPTY_SPACE_13,
5358   EL_EMPTY_SPACE_14,
5359   EL_EMPTY_SPACE_15,
5360   EL_EMPTY_SPACE_16
5361 };
5362 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5363 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5364 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5365 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5366
5367 static int editor_hl_reference[] =
5368 {
5369   EL_INTERNAL_CASCADE_REF_ACTIVE,
5370   EL_CHAR('R'),
5371   EL_CHAR('E'),
5372   EL_CHAR('F')
5373 };
5374
5375 static int editor_el_reference[] =
5376 {
5377   EL_TRIGGER_PLAYER,
5378   EL_TRIGGER_ELEMENT,
5379   EL_TRIGGER_CE_VALUE,
5380   EL_TRIGGER_CE_SCORE,
5381
5382   EL_SELF,
5383   EL_ANY_ELEMENT,
5384   EL_CURRENT_CE_VALUE,
5385   EL_CURRENT_CE_SCORE,
5386
5387   EL_PREV_CE_8,
5388   EL_PREV_CE_7,
5389   EL_PREV_CE_6,
5390   EL_PREV_CE_5,
5391
5392   EL_PREV_CE_4,
5393   EL_PREV_CE_3,
5394   EL_PREV_CE_2,
5395   EL_PREV_CE_1,
5396
5397   EL_NEXT_CE_1,
5398   EL_NEXT_CE_2,
5399   EL_NEXT_CE_3,
5400   EL_NEXT_CE_4,
5401
5402   EL_NEXT_CE_5,
5403   EL_NEXT_CE_6,
5404   EL_NEXT_CE_7,
5405   EL_NEXT_CE_8,
5406 };
5407 static int *editor_hl_reference_ptr = editor_hl_reference;
5408 static int *editor_el_reference_ptr = editor_el_reference;
5409 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5410 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5411
5412 static int editor_hl_user_defined[] =
5413 {
5414   EL_INTERNAL_CASCADE_USER_ACTIVE,
5415   EL_CHAR('M'),
5416   EL_CHAR('Y'),
5417   EL_EMPTY,
5418 };
5419
5420 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5421 static int *editor_el_user_defined_ptr = NULL;
5422 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5423 static int num_editor_el_user_defined = 0;
5424
5425 static int editor_hl_dynamic[] =
5426 {
5427   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5428   EL_CHAR('U'),
5429   EL_CHAR('S'),
5430   EL_CHAR('E'),
5431 };
5432
5433 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5434 static int *editor_el_dynamic_ptr = NULL;
5435 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5436 static int num_editor_el_dynamic = 0;
5437
5438 static int editor_hl_empty[] = { EL_EMPTY };
5439 static int *editor_el_empty = NULL;     // dynamically allocated
5440
5441 static int *editor_hl_empty_ptr = editor_hl_empty;
5442 static int *editor_el_empty_ptr = NULL;
5443 static int num_editor_hl_empty = 0;
5444 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5445
5446 static boolean use_el_empty = FALSE;
5447
5448 static int *editor_elements = NULL;     // dynamically allocated
5449 static int num_editor_elements = 0;     // dynamically determined
5450
5451 static boolean setup_editor_cascade_never = FALSE;
5452
5453 static boolean setup_editor_el_players                  = TRUE;
5454 static boolean setup_editor_el_boulderdash              = TRUE;
5455 static boolean setup_editor_el_emerald_mine             = TRUE;
5456 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5457 static boolean setup_editor_el_more                     = TRUE;
5458 static boolean setup_editor_el_sokoban                  = TRUE;
5459 static boolean setup_editor_el_supaplex                 = TRUE;
5460 static boolean setup_editor_el_diamond_caves            = TRUE;
5461 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5462 static boolean setup_editor_el_mirror_magic             = TRUE;
5463 static boolean setup_editor_el_deflektor                = TRUE;
5464 static boolean setup_editor_el_chars                    = TRUE;
5465 static boolean setup_editor_el_steel_chars              = TRUE;
5466 static boolean setup_editor_el_custom                   = TRUE;
5467 static boolean setup_editor_el_user_defined             = TRUE;
5468 static boolean setup_editor_el_dynamic                  = TRUE;
5469
5470 static int editor_hl_unused[] = { EL_EMPTY };
5471 static int *editor_hl_unused_ptr = editor_hl_unused;
5472 static int num_editor_hl_unused = 0;
5473
5474 static struct
5475 {
5476   boolean *setup_value;
5477   boolean *setup_cascade_value;
5478
5479   int **headline_list;
5480   int *headline_list_size;
5481
5482   int **element_list;
5483   int *element_list_size;
5484
5485   boolean last_setup_value;
5486 }
5487 editor_elements_info[] =
5488 {
5489   {
5490     &setup_editor_el_players,
5491     &setup_editor_cascade_never,
5492     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5493     &editor_el_players_ptr,             &num_editor_el_players
5494   },
5495   {
5496     &setup_editor_el_boulderdash,
5497     &setup.editor_cascade.el_bd,
5498     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5499     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5500   },
5501   {
5502     &setup_editor_el_emerald_mine,
5503     &setup.editor_cascade.el_em,
5504     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5505     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5506   },
5507   {
5508     &setup_editor_el_emerald_mine_club,
5509     &setup.editor_cascade.el_emc,
5510     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5511     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5512   },
5513   {
5514     &setup_editor_el_more,
5515     &setup.editor_cascade.el_rnd,
5516     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5517     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5518   },
5519   {
5520     &setup_editor_el_sokoban,
5521     &setup.editor_cascade.el_sb,
5522     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5523     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5524   },
5525   {
5526     &setup_editor_el_supaplex,
5527     &setup.editor_cascade.el_sp,
5528     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5529     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5530   },
5531   {
5532     &setup_editor_el_diamond_caves,
5533     &setup.editor_cascade.el_dc,
5534     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5535     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5536   },
5537   {
5538     &setup_editor_el_dx_boulderdash,
5539     &setup.editor_cascade.el_dx,
5540     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5541     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5542   },
5543   {
5544     &setup_editor_el_mirror_magic,
5545     &setup.editor_cascade.el_mm,
5546     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5547     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5548   },
5549   {
5550     &setup_editor_el_deflektor,
5551     &setup.editor_cascade.el_df,
5552     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5553     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5554   },
5555   {
5556     &setup_editor_el_chars,
5557     &setup.editor_cascade.el_chars,
5558     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5559     &editor_el_chars_ptr,               &num_editor_el_chars
5560   },
5561   {
5562     &setup_editor_el_steel_chars,
5563     &setup.editor_cascade.el_steel_chars,
5564     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5565     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5566   },
5567   {
5568     &setup_editor_el_custom,
5569     &setup.editor_cascade.el_ce,
5570     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5571     &editor_el_custom_ptr,              &num_editor_el_custom
5572   },
5573   {
5574     &setup_editor_el_custom,
5575     &setup.editor_cascade.el_ge,
5576     &editor_hl_group_ptr,               &num_editor_hl_group,
5577     &editor_el_group_ptr,               &num_editor_el_group
5578   },
5579   {
5580     &setup_editor_el_custom,
5581     &setup.editor_cascade.el_es,
5582     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
5583     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
5584   },
5585   {
5586     &setup_editor_el_custom,
5587     &setup.editor_cascade.el_ref,
5588     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5589     &editor_el_reference_ptr,           &num_editor_el_reference
5590   },
5591   {
5592     &setup_editor_el_user_defined,
5593     &setup.editor_cascade.el_user,
5594     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5595     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5596   },
5597   {
5598     &setup_editor_el_dynamic,
5599     &setup.editor_cascade.el_dynamic,
5600     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5601     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5602   },
5603   {
5604     &use_el_empty,
5605     &use_el_empty,
5606     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5607     &editor_el_empty_ptr,               &num_editor_el_empty,
5608   },
5609   {
5610     NULL,
5611     NULL,
5612     NULL,                               NULL,
5613     NULL,                               NULL
5614   }
5615 };
5616
5617 static struct XY xy_directions[] =
5618 {
5619   { -1,  0 },
5620   { +1,  0 },
5621   {  0, -1 },
5622   {  0, +1 }
5623 };
5624
5625
5626 // ----------------------------------------------------------------------------
5627 // functions
5628 // ----------------------------------------------------------------------------
5629
5630 static int getMaxInfoTextLength(void)
5631 {
5632   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5633 }
5634
5635 static int getTextWidthForGadget(char *text)
5636 {
5637   if (text == NULL)
5638     return 0;
5639
5640   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5641 }
5642
5643 static int getTextWidthForDrawingArea(char *text)
5644 {
5645   if (text == NULL)
5646     return 0;
5647
5648   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5649 }
5650
5651 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5652 {
5653   return (gi->x + gi->width + getTextWidthForGadget(text));
5654 }
5655
5656 static char *getElementInfoText(int element)
5657 {
5658   char *info_text = NULL;
5659
5660   if (element < MAX_NUM_ELEMENTS)
5661   {
5662     if (strlen(element_info[element].description) > 0)
5663       info_text = element_info[element].description;
5664     else if (element_info[element].custom_description != NULL)
5665       info_text = element_info[element].custom_description;
5666     else if (element_info[element].editor_description != NULL)
5667       info_text = element_info[element].editor_description;
5668   }
5669
5670   if (info_text == NULL)
5671     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5672
5673   return info_text;
5674 }
5675
5676 static char *getElementDescriptionFilenameExt(char *basename)
5677 {
5678   char *elements_subdir = ELEMENTS_DIRECTORY;
5679   static char *elements_subdir2 = NULL;
5680   static char *filename = NULL;
5681
5682   if (elements_subdir2 == NULL)
5683     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5684
5685   checked_free(filename);
5686
5687   // 1st try: look for element description in current level set directory
5688   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5689   if (fileExists(filename))
5690     return filename;
5691
5692   free(filename);
5693
5694   // 2nd try: look for element description in the game's base directory
5695   filename = getPath3(options.docs_directory, elements_subdir, basename);
5696   if (fileExists(filename))
5697     return filename;
5698
5699   return NULL;
5700 }
5701
5702 static char *getElementDescriptionFilename(int element)
5703 {
5704   char basename[MAX_FILENAME_LEN];
5705   char *filename;
5706
5707   // 1st try: look for element description file for exactly this element
5708   sprintf(basename, "%s.txt", element_info[element].token_name);
5709   filename = getElementDescriptionFilenameExt(basename);
5710   if (filename != NULL)
5711     return filename;
5712
5713   // 2nd try: look for element description file for this element's class
5714   sprintf(basename, "%s.txt", element_info[element].class_name);
5715   filename = getElementDescriptionFilenameExt(basename);
5716   if (filename != NULL)
5717     return filename;
5718
5719   // 3rd try: look for generic fallback text file for any element
5720   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
5721   if (filename != NULL)
5722     return filename;
5723
5724   return NULL;
5725 }
5726
5727 static boolean suppressBorderElement(void)
5728 {
5729   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5730           lev_fieldx <= MAX_ED_FIELDX &&
5731           lev_fieldy <= MAX_ED_FIELDY);
5732 }
5733
5734 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5735 {
5736   boolean element_found[NUM_FILE_ELEMENTS];
5737   int i, x, y;
5738
5739   // initialize list of used elements to "not used"
5740   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5741     element_found[i] = FALSE;
5742
5743   // find all elements used in current level
5744   for (y = 0; y < lev_fieldy; y++)
5745     for (x = 0; x < lev_fieldx; x++)
5746       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5747         element_found[Tile[x][y]] = TRUE;
5748
5749   *num_elements = 0;
5750
5751   // count number of elements used in current level
5752   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5753     if (element_found[i])
5754       (*num_elements)++;
5755
5756   // add space for up to 3 more elements for padding that may be needed
5757   *num_elements += 3;
5758
5759   // free memory for old list of elements, if needed
5760   checked_free(*elements);
5761
5762   // allocate memory for new list of elements
5763   *elements = checked_malloc(*num_elements * sizeof(int));
5764
5765   *num_elements = 0;
5766
5767   // add all elements used in current level (non-custom/group elements)
5768   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5769     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5770       (*elements)[(*num_elements)++] = i;
5771
5772   // add all elements used in current level (custom/group elements)
5773   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5774     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5775       (*elements)[(*num_elements)++] = i;
5776
5777   while (*num_elements % 4)     // pad with empty elements, if needed
5778     (*elements)[(*num_elements)++] = EL_EMPTY;
5779 }
5780
5781 static void ReinitializeElementList_EnableSections(void)
5782 {
5783   // default: enable all element sections
5784
5785   setup_editor_el_players               = TRUE;
5786   setup_editor_el_boulderdash           = TRUE;
5787   setup_editor_el_emerald_mine          = TRUE;
5788   setup_editor_el_emerald_mine_club     = TRUE;
5789   setup_editor_el_more                  = TRUE;
5790   setup_editor_el_sokoban               = TRUE;
5791   setup_editor_el_supaplex              = TRUE;
5792   setup_editor_el_diamond_caves         = TRUE;
5793   setup_editor_el_dx_boulderdash        = TRUE;
5794   setup_editor_el_mirror_magic          = TRUE;
5795   setup_editor_el_deflektor             = TRUE;
5796   setup_editor_el_chars                 = TRUE;
5797   setup_editor_el_steel_chars           = TRUE;
5798
5799   setup_editor_el_custom                = TRUE;
5800   setup_editor_el_user_defined          = TRUE;
5801   setup_editor_el_dynamic               = TRUE;
5802
5803   // now disable all element sections not to be displayed
5804
5805   if (!setup.editor.el_classic)
5806   {
5807     setup_editor_el_players             = FALSE;
5808     setup_editor_el_boulderdash         = FALSE;
5809     setup_editor_el_emerald_mine        = FALSE;
5810     setup_editor_el_emerald_mine_club   = FALSE;
5811     setup_editor_el_more                = FALSE;
5812     setup_editor_el_sokoban             = FALSE;
5813     setup_editor_el_supaplex            = FALSE;
5814     setup_editor_el_diamond_caves       = FALSE;
5815     setup_editor_el_dx_boulderdash      = FALSE;
5816     setup_editor_el_mirror_magic        = FALSE;
5817     setup_editor_el_deflektor           = FALSE;
5818     setup_editor_el_chars               = FALSE;
5819     setup_editor_el_steel_chars         = FALSE;
5820   }
5821
5822   if (!setup.editor.el_custom)
5823   {
5824     setup_editor_el_custom              = FALSE;
5825   }
5826
5827   if (!setup.editor.el_user_defined)
5828   {
5829     setup_editor_el_user_defined        = FALSE;
5830   }
5831
5832   if (!setup.editor.el_dynamic)
5833   {
5834     setup_editor_el_dynamic             = FALSE;
5835   }
5836
5837   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5838   {
5839     setup_editor_el_mirror_magic        = FALSE;
5840     setup_editor_el_deflektor           = FALSE;
5841   }
5842   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5843   {
5844     setup_editor_el_boulderdash         = FALSE;
5845     setup_editor_el_more                = FALSE;
5846     setup_editor_el_sokoban             = FALSE;
5847     setup_editor_el_supaplex            = FALSE;
5848     setup_editor_el_diamond_caves       = FALSE;
5849     setup_editor_el_dx_boulderdash      = FALSE;
5850     setup_editor_el_mirror_magic        = FALSE;
5851     setup_editor_el_deflektor           = FALSE;
5852     setup_editor_el_steel_chars         = FALSE;
5853
5854     setup_editor_el_custom              = FALSE;
5855   }
5856   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5857   {
5858     setup_editor_el_players             = FALSE;
5859     setup_editor_el_boulderdash         = FALSE;
5860     setup_editor_el_emerald_mine        = FALSE;
5861     setup_editor_el_emerald_mine_club   = FALSE;
5862     setup_editor_el_more                = FALSE;
5863     setup_editor_el_sokoban             = FALSE;
5864     setup_editor_el_diamond_caves       = FALSE;
5865     setup_editor_el_dx_boulderdash      = FALSE;
5866     setup_editor_el_mirror_magic        = FALSE;
5867     setup_editor_el_deflektor           = FALSE;
5868     setup_editor_el_chars               = FALSE;
5869     setup_editor_el_steel_chars         = FALSE;
5870
5871     setup_editor_el_custom              = FALSE;
5872   }
5873   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5874   {
5875     setup_editor_el_players             = FALSE;
5876     setup_editor_el_boulderdash         = FALSE;
5877     setup_editor_el_emerald_mine        = FALSE;
5878     setup_editor_el_emerald_mine_club   = FALSE;
5879     setup_editor_el_more                = FALSE;
5880     setup_editor_el_sokoban             = FALSE;
5881     setup_editor_el_supaplex            = FALSE;
5882     setup_editor_el_diamond_caves       = FALSE;
5883     setup_editor_el_dx_boulderdash      = FALSE;
5884     setup_editor_el_steel_chars         = FALSE;
5885
5886     setup_editor_el_custom              = FALSE;
5887   }
5888 }
5889
5890 static void ReinitializeElementList(void)
5891 {
5892   static boolean initialization_needed = TRUE;
5893   int pos = 0;
5894   int i, j;
5895
5896   ReinitializeElementList_EnableSections();
5897
5898   if (initialization_needed)
5899   {
5900     LoadSetup_EditorCascade();          // load last editor cascade state
5901
5902     // initialize editor cascade element from saved cascade state
5903     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5904     {
5905       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5906       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5907
5908       if (IS_EDITOR_CASCADE(*cascade_element))
5909         *cascade_element =
5910           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5911            EL_CASCADE_INACTIVE(*cascade_element));
5912     }
5913
5914     initialization_needed = FALSE;
5915   }
5916
5917   checked_free(editor_elements);
5918
5919   // reload optional user defined element list for each invocation of editor
5920   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5921                                    &num_editor_el_user_defined);
5922
5923   // initialize dynamic level element list for each invocation of editor
5924   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5925                                &num_editor_el_dynamic);
5926
5927   // initialize list of empty elements (used for padding, if needed)
5928   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5929     editor_el_empty[i] = EL_EMPTY;
5930
5931   // do some sanity checks for each element from element list
5932   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5933   {
5934     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5935     {
5936       int element = (*editor_elements_info[i].element_list)[j];
5937
5938       if (element >= NUM_FILE_ELEMENTS)
5939         Warn("editor element %d is runtime element", element);
5940
5941       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5942         Warn("no element description text for element %d", element);
5943     }
5944   }
5945
5946   num_editor_elements = 0;
5947   use_el_empty = FALSE;
5948
5949   // determine size of element list
5950   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5951   {
5952     if (*editor_elements_info[i].setup_value)
5953     {
5954       boolean found_inactive_cascade = FALSE;
5955
5956       if (setup.editor.el_headlines)
5957       {
5958         // required for correct padding of palette headline buttons
5959         if (*editor_elements_info[i].headline_list_size > 0)
5960           num_editor_elements += ED_ELEMENTLIST_COLS;
5961
5962         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5963         {
5964           int element = (*editor_elements_info[i].headline_list)[j];
5965
5966           if (IS_EDITOR_CASCADE_INACTIVE(element))
5967             found_inactive_cascade = TRUE;
5968         }
5969       }
5970
5971       if (found_inactive_cascade)
5972         continue;
5973
5974       // required for correct padding of palette element buttons
5975       int element_list_size = *editor_elements_info[i].element_list_size;
5976       int element_rows =
5977         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5978       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5979
5980       num_editor_elements += element_buttons;
5981     }
5982   }
5983
5984   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5985   {
5986     // offer at least as many elements as element buttons exist
5987     use_el_empty = TRUE;
5988     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5989
5990     num_editor_elements += num_editor_el_empty;
5991   }
5992   else
5993   {
5994     num_editor_el_empty = 0;
5995   }
5996
5997   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5998
5999   // fill element list
6000   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6001   {
6002     boolean found_inactive_cascade = FALSE;
6003
6004     if (*editor_elements_info[i].setup_value)
6005     {
6006       if (setup.editor.el_headlines)
6007       {
6008         // required for correct padding of palette headline buttons
6009         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6010                              ED_ELEMENTLIST_COLS : 0);
6011
6012         for (j = 0; j < headline_size; j++)
6013         {
6014           // use empty elements for padding of palette headline buttons
6015           int element = (j < *editor_elements_info[i].headline_list_size ?
6016                          (*editor_elements_info[i].headline_list)[j] :
6017                          editor_el_empty[0]);
6018
6019           editor_elements[pos++] = element;
6020
6021           if (IS_EDITOR_CASCADE_INACTIVE(element))
6022             found_inactive_cascade = TRUE;
6023         }
6024       }
6025
6026       if (found_inactive_cascade)
6027         continue;
6028
6029       // required for correct padding of palette element buttons
6030       int element_list_size = *editor_elements_info[i].element_list_size;
6031       int element_rows =
6032         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6033       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6034
6035       // copy all elements from element list
6036       for (j = 0; j < element_list_size; j++)
6037         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6038
6039       // use empty elements for padding of palette element buttons
6040       for (j = 0; j < element_buttons - element_list_size; j++)
6041         editor_elements[pos++] = editor_el_empty[0];
6042     }
6043   }
6044
6045   // (this function is also called before editor gadgets are initialized!)
6046   AdjustElementListScrollbar();
6047 }
6048
6049 void PrintEditorElementList(void)
6050 {
6051   boolean *stop = &setup_editor_el_user_defined;
6052   int i, j;
6053
6054   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6055   {
6056     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6057
6058     if (IS_EDITOR_CASCADE(cascade_element))
6059     {
6060       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6061       char *headline = element_info[cascade_element_show].editor_description;
6062
6063       PrintLineWithPrefix("# ", "-", 77);
6064       Print("# %s\n", headline);
6065       PrintLineWithPrefix("# ", "-", 77);
6066     }
6067
6068     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6069     {
6070       int element = (*editor_elements_info[i].headline_list)[j];
6071
6072       if (IS_EDITOR_CASCADE(element))
6073         element = EL_CHAR_MINUS;
6074
6075       Print("# %s\n", element_info[element].token_name);
6076     }
6077
6078     if (j > 0)
6079       Print("#\n");
6080
6081     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6082     {
6083       int element = (*editor_elements_info[i].element_list)[j];
6084
6085       Print("# %s\n", element_info[element].token_name);
6086     }
6087
6088     if (j > 0)
6089       Print("#\n");
6090   }
6091 }
6092
6093 static void ReinitializeElementListButtons(void)
6094 {
6095   static boolean last_setup_value_headlines = FALSE;
6096   static boolean initialization_needed = TRUE;
6097   int i;
6098
6099   if (!initialization_needed)   // check if editor element setup has changed
6100   {
6101     if (last_setup_value_headlines != setup.editor.el_headlines)
6102       initialization_needed = TRUE;
6103
6104     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6105       if (editor_elements_info[i].last_setup_value !=
6106           *editor_elements_info[i].setup_value)
6107         initialization_needed = TRUE;
6108   }
6109
6110   if (!initialization_needed)
6111     return;
6112
6113   FreeLevelEditorGadgets();
6114   CreateLevelEditorGadgets();
6115
6116   // store current setup values for next invocation of this function
6117   last_setup_value_headlines = setup.editor.el_headlines;
6118   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6119     editor_elements_info[i].last_setup_value =
6120       *editor_elements_info[i].setup_value;
6121
6122   initialization_needed = FALSE;
6123 }
6124
6125 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6126                               boolean input)
6127 {
6128   int border_graphic =
6129     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6130   struct GraphicInfo *g = &graphic_info[border_graphic];
6131   Bitmap *src_bitmap = g->bitmap;
6132   int src_x = g->src_x;
6133   int src_y = g->src_y;
6134   int border_size = g->border_size;
6135   int border_xpos = g->width  - border_size;
6136   int border_ypos = g->height - border_size;
6137   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6138   int i;
6139
6140   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6141              border_size, border_size,
6142              dest_x - border_size, dest_y - border_size);
6143   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6144              border_size, border_size,
6145              dest_x + width, dest_y - border_size);
6146   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6147              border_size, border_size,
6148              dest_x - border_size, dest_y + height);
6149   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6150              border_size, border_size,
6151              dest_x + width, dest_y + height);
6152
6153   for (i = 0; i < width / tilesize; i++)
6154   {
6155     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6156                tilesize, border_size,
6157                dest_x + i * tilesize, dest_y - border_size);
6158     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6159                tilesize, border_size,
6160                dest_x + i * tilesize, dest_y + height);
6161   }
6162
6163   for (i = 0; i < height / tilesize; i++)
6164   {
6165     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6166                border_size, tilesize,
6167                dest_x - border_size, dest_y + i * tilesize);
6168     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6169                border_size, tilesize,
6170                dest_x + width, dest_y + i * tilesize);
6171   }
6172
6173   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6174 }
6175
6176 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6177 {
6178   int xsize_tile = MAX(ed_tilesize, xsize);
6179   int ysize_tile = MAX(ed_tilesize, ysize);
6180   int xsize_full = xsize + 1;
6181   int ysize_full = ysize + 1;
6182   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6183   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6184   Pixel line_color = getTabulatorBarColor();
6185
6186   if (line_color == BLACK_PIXEL)                // black => transparent
6187     return;
6188
6189   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6190   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6191   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6192 }
6193
6194 static void DrawEditorLevelBorderLinesIfNeeded(void)
6195 {
6196   int xsize = lev_fieldx * ed_tilesize;
6197   int ysize = lev_fieldy * ed_tilesize;
6198   int line_size = getTabulatorBarHeight();
6199
6200   if (!suppressBorderElement())
6201     return;
6202
6203   // draw little border line around editable level playfield
6204
6205   if (xsize < SXSIZE)
6206     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6207
6208   if (ysize < SYSIZE)
6209     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6210
6211   if (xsize < SXSIZE && ysize < SYSIZE)
6212     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6213 }
6214
6215 static void DrawEditorElement(int x, int y, int element)
6216 {
6217   DrawSizedElement(x, y, element, ed_tilesize);
6218 }
6219
6220 static void DrawEditorElementThruMask(int x, int y, int element)
6221 {
6222   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6223 }
6224
6225 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6226 {
6227   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6228 }
6229
6230 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6231 {
6232   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6233   DrawEditorLevelBorderLinesIfNeeded();
6234 }
6235
6236 static void DrawDrawingArea(int id)
6237 {
6238   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6239   int x, y;
6240
6241   int *value = drawingarea_info[id].value;
6242   int area_xsize = drawingarea_info[id].area_xsize;
6243   int area_ysize = drawingarea_info[id].area_ysize;
6244   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6245
6246   for (x = 0; x < area_xsize; x++)
6247     for (y = 0; y < area_ysize; y++)
6248       DrawSizedGraphicExt(drawto,
6249                           gi->x + x * tilesize,
6250                           gi->y + y * tilesize,
6251                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6252 }
6253
6254 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6255 {
6256   int x, y;
6257   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6258   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6259
6260   BlitBitmap(drawto, drawto,
6261              SX + (dx == -1 ? ed_tilesize : 0),
6262              SY + (dy == -1 ? ed_tilesize : 0),
6263              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6264              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6265              SX + (dx == +1 ? ed_tilesize : 0),
6266              SY + (dy == +1 ? ed_tilesize : 0));
6267
6268   if (dx)
6269   {
6270     x = (dx == 1 ? 0 : ed_fieldx - 1);
6271     for (y = 0; y < ed_fieldy; y++)
6272       DrawEditorElementOrWall(x, y, from_x, from_y);
6273   }
6274   else if (dy)
6275   {
6276     y = (dy == 1 ? 0 : ed_fieldy - 1);
6277     for (x = 0; x < ed_fieldx; x++)
6278       DrawEditorElementOrWall(x, y, from_x, from_y);
6279   }
6280
6281   redraw_mask |= REDRAW_FIELD;
6282   BackToFront();
6283 }
6284
6285 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6286                                    int *x, int *y)
6287 {
6288   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6289 }
6290
6291 static void CreateControlButtons(void)
6292 {
6293   struct GadgetInfo *gi;
6294   int i;
6295
6296   // create toolbox buttons
6297   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6298   {
6299     int id = controlbutton_info[i].gadget_id;
6300     int type = controlbutton_info[i].gadget_type;
6301     int graphic = controlbutton_info[i].graphic;
6302     struct XYTileSize *pos = controlbutton_info[i].pos;
6303     struct GraphicInfo *gd = &graphic_info[graphic];
6304     Bitmap *deco_bitmap = NULL;
6305     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6306     int tile_size = 0, deco_shift = 0;
6307     boolean deco_masked = FALSE;
6308     int gd_x1 = gd->src_x;
6309     int gd_y1 = gd->src_y;
6310     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6311     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6312     int gd_x1a = gd->src_x + gd->active_xoffset;
6313     int gd_y1a = gd->src_y + gd->active_yoffset;
6314     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6315     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6316     int x = pos->x;
6317     int y = pos->y;
6318     unsigned int event_mask;
6319     int radio_button_nr = RADIO_NR_NONE;
6320     boolean checked = FALSE;
6321
6322     if (type == GD_TYPE_RADIO_BUTTON)
6323     {
6324       event_mask = GD_EVENT_PRESSED;
6325       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6326
6327       if (id == drawing_function)
6328         checked = TRUE;
6329     }
6330     else
6331     {
6332       if (id == GADGET_ID_WRAP_LEFT ||
6333           id == GADGET_ID_WRAP_RIGHT ||
6334           id == GADGET_ID_WRAP_UP ||
6335           id == GADGET_ID_WRAP_DOWN)
6336         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6337       else
6338         event_mask = GD_EVENT_RELEASED;
6339     }
6340
6341     if (id == GADGET_ID_PROPERTIES ||
6342         id == GADGET_ID_PALETTE)
6343     {
6344       x += DX;
6345       y += DY;
6346     }
6347     else if (id == GADGET_ID_ELEMENT_LEFT ||
6348              id == GADGET_ID_ELEMENT_MIDDLE ||
6349              id == GADGET_ID_ELEMENT_RIGHT)
6350     {
6351       x += DX;
6352       y += DY;
6353
6354       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6355                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6356                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6357
6358       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6359                                    editor.button.element_left.tile_size :
6360                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6361                                    editor.button.element_middle.tile_size :
6362                                    id == GADGET_ID_ELEMENT_RIGHT ?
6363                                    editor.button.element_right.tile_size : 0);
6364
6365       // make sure that decoration does not overlap gadget border
6366       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6367
6368       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6369
6370       deco_xpos = (gd->width  - tile_size) / 2;
6371       deco_ypos = (gd->height - tile_size) / 2;
6372       deco_shift = 1;
6373       deco_masked = gd->draw_masked;
6374     }
6375     else
6376     {
6377       x += EX;
6378       y += EY;
6379     }
6380
6381     gi = CreateGadget(GDI_CUSTOM_ID, id,
6382                       GDI_CUSTOM_TYPE_ID, i,
6383                       GDI_IMAGE_ID, graphic,
6384                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6385                       GDI_X, x,
6386                       GDI_Y, y,
6387                       GDI_WIDTH, gd->width,
6388                       GDI_HEIGHT, gd->height,
6389                       GDI_TYPE, type,
6390                       GDI_STATE, GD_BUTTON_UNPRESSED,
6391                       GDI_RADIO_NR, radio_button_nr,
6392                       GDI_CHECKED, checked,
6393                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6394                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6395                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6396                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6397                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6398                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6399                       GDI_DECORATION_SIZE, tile_size, tile_size,
6400                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6401                       GDI_DECORATION_MASKED, deco_masked,
6402                       GDI_EVENT_MASK, event_mask,
6403                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6404                       GDI_CALLBACK_ACTION, HandleControlButtons,
6405                       GDI_END);
6406
6407     if (gi == NULL)
6408       Fail("cannot create gadget");
6409
6410     level_editor_gadget[id] = gi;
6411   }
6412
6413   // these values are not constant, but can change at runtime
6414   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6415   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6416   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6417   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6418   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6419   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6420   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6421   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6422   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6423   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6424   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6425   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6426
6427   // create buttons for scrolling of drawing area and element list
6428   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6429   {
6430     int id = scrollbutton_info[i].gadget_id;
6431     int graphic = scrollbutton_info[i].graphic;
6432     struct GraphicInfo *gd = &graphic_info[graphic];
6433     Bitmap *gd_bitmap = gd->bitmap;
6434     int gd_x1 = gd->src_x;
6435     int gd_y1 = gd->src_y;
6436     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6437     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6438     int width  = gd->width;
6439     int height = gd->height;
6440     int x = scrollbutton_pos[i].x;
6441     int y = scrollbutton_pos[i].y;
6442     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6443
6444     if (id == GADGET_ID_SCROLL_LIST_UP ||
6445         id == GADGET_ID_SCROLL_LIST_DOWN)
6446     {
6447       x += PX;
6448       y += PY;
6449     }
6450     else
6451     {
6452       x += SX;
6453       y += SY;
6454     }
6455
6456     gi = CreateGadget(GDI_CUSTOM_ID, id,
6457                       GDI_CUSTOM_TYPE_ID, i,
6458                       GDI_IMAGE_ID, graphic,
6459                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6460                       GDI_X, x,
6461                       GDI_Y, y,
6462                       GDI_WIDTH, width,
6463                       GDI_HEIGHT, height,
6464                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6465                       GDI_STATE, GD_BUTTON_UNPRESSED,
6466                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6467                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6468                       GDI_EVENT_MASK, event_mask,
6469                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6470                       GDI_CALLBACK_ACTION, HandleControlButtons,
6471                       GDI_END);
6472
6473     if (gi == NULL)
6474       Fail("cannot create gadget");
6475
6476     level_editor_gadget[id] = gi;
6477   }
6478
6479   // create buttons for element list
6480   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6481   {
6482     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6483     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6484     struct GraphicInfo *gd = &graphic_info[graphic];
6485     Bitmap *gd_bitmap = gd->bitmap;
6486     Bitmap *deco_bitmap;
6487     int deco_x, deco_y, deco_xpos, deco_ypos;
6488     int gd_x1 = gd->src_x;
6489     int gd_y1 = gd->src_y;
6490     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6491     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6492     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6493     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6494     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6495     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6496     int element = editor_elements[i];
6497     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6498     unsigned int event_mask = GD_EVENT_RELEASED;
6499
6500     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6501
6502     deco_xpos = (gd->width  - tile_size) / 2;
6503     deco_ypos = (gd->height - tile_size) / 2;
6504
6505     gi = CreateGadget(GDI_CUSTOM_ID, id,
6506                       GDI_CUSTOM_TYPE_ID, i,
6507                       GDI_IMAGE_ID, graphic,
6508                       GDI_INFO_TEXT, getElementInfoText(element),
6509                       GDI_X, x,
6510                       GDI_Y, y,
6511                       GDI_WIDTH, gd->width,
6512                       GDI_HEIGHT, gd->height,
6513                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6514                       GDI_STATE, GD_BUTTON_UNPRESSED,
6515                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6516                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6517                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6518                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6519                       GDI_DECORATION_SIZE, tile_size, tile_size,
6520                       GDI_DECORATION_SHIFTING, 1, 1,
6521                       GDI_EVENT_MASK, event_mask,
6522                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6523                       GDI_CALLBACK_ACTION, HandleControlButtons,
6524                       GDI_END);
6525
6526     if (gi == NULL)
6527       Fail("cannot create gadget");
6528
6529     level_editor_gadget[id] = gi;
6530   }
6531 }
6532
6533 static void CreateCounterButtons(void)
6534 {
6535   int max_infotext_len = getMaxInfoTextLength();
6536   int i;
6537
6538   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6539   {
6540     int j;
6541     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6542     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6543
6544     // determine horizontal position to the right of specified gadget
6545     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6546       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6547            ED_GADGET_TEXT_DISTANCE);
6548
6549     // determine horizontal offset for leading text
6550     if (counterbutton_info[i].text_left != NULL)
6551       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6552
6553     for (j = 0; j < 2; j++)
6554     {
6555       struct GadgetInfo *gi;
6556       int id = (j == 0 ?
6557                 counterbutton_info[i].gadget_id_down :
6558                 counterbutton_info[i].gadget_id_up);
6559       int graphic;
6560       struct GraphicInfo *gd;
6561       int gd_x1, gd_x2, gd_y1, gd_y2;
6562       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6563       char infotext[max_infotext_len + 1];
6564
6565       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6566       {
6567         graphic = (j == 0 ?
6568                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6569                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6570
6571         event_mask |= GD_EVENT_RELEASED;
6572
6573         if (j == 0)
6574         {
6575           x = DX + editor.button.prev_level.x;
6576           y = DY + editor.button.prev_level.y;
6577         }
6578         else
6579         {
6580           x = DX + editor.button.next_level.x;
6581           y = DY + editor.button.next_level.y;
6582         }
6583       }
6584       else
6585       {
6586         graphic = (j == 0 ?
6587                    IMG_EDITOR_COUNTER_DOWN :
6588                    IMG_EDITOR_COUNTER_UP);
6589       }
6590
6591       gd = &graphic_info[graphic];
6592
6593       gd_x1 = gd->src_x;
6594       gd_y1 = gd->src_y;
6595       gd_x2 = gd->src_x + gd->pressed_xoffset;
6596       gd_y2 = gd->src_y + gd->pressed_yoffset;
6597
6598       sprintf(infotext, "%s counter value by 1, 5 or 10",
6599               (j == 0 ? "decrease" : "increase"));
6600
6601       gi = CreateGadget(GDI_CUSTOM_ID, id,
6602                         GDI_CUSTOM_TYPE_ID, i,
6603                         GDI_IMAGE_ID, graphic,
6604                         GDI_INFO_TEXT, infotext,
6605                         GDI_X, x,
6606                         GDI_Y, y,
6607                         GDI_WIDTH, gd->width,
6608                         GDI_HEIGHT, gd->height,
6609                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6610                         GDI_STATE, GD_BUTTON_UNPRESSED,
6611                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6612                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6613                         GDI_EVENT_MASK, event_mask,
6614                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6615                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6616                         GDI_END);
6617
6618       if (gi == NULL)
6619         Fail("cannot create gadget");
6620
6621       level_editor_gadget[id] = gi;
6622       right_gadget_border[id] =
6623         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6624
6625       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6626
6627       if (j == 0)
6628       {
6629         int font_type = FONT_INPUT_1;
6630         int font_type_active = FONT_INPUT_1_ACTIVE;
6631
6632         id = counterbutton_info[i].gadget_id_text;
6633
6634         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6635
6636         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6637         {
6638           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6639
6640           font_type = FONT_LEVEL_NUMBER;
6641           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6642
6643           x = DX + editor.input.level_number.x;
6644           y = DY + editor.input.level_number.y;
6645         }
6646         else
6647         {
6648           graphic = IMG_EDITOR_COUNTER_INPUT;
6649         }
6650
6651         gd = &graphic_info[graphic];
6652
6653         gd_x1 = gd->src_x;
6654         gd_y1 = gd->src_y;
6655         gd_x2 = gd->src_x + gd->active_xoffset;
6656         gd_y2 = gd->src_y + gd->active_yoffset;
6657
6658         gi = CreateGadget(GDI_CUSTOM_ID, id,
6659                           GDI_CUSTOM_TYPE_ID, i,
6660                           GDI_IMAGE_ID, graphic,
6661                           GDI_INFO_TEXT, "enter counter value",
6662                           GDI_X, x,
6663                           GDI_Y, y,
6664                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6665                           GDI_NUMBER_VALUE, 0,
6666                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6667                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6668                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6669                           GDI_TEXT_FONT, font_type,
6670                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6671                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6672                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6673                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6674                           GDI_DESIGN_WIDTH, gd->width,
6675                           GDI_EVENT_MASK, event_mask,
6676                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6677                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6678                           GDI_END);
6679
6680         if (gi == NULL)
6681           Fail("cannot create gadget");
6682
6683         level_editor_gadget[id] = gi;
6684         right_gadget_border[id] =
6685           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6686
6687         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6688       }
6689     }
6690   }
6691 }
6692
6693 static void CreateDrawingAreas(void)
6694 {
6695   int i;
6696
6697   // these values are not constant, but can change at runtime
6698   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6699   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6700
6701   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6702   {
6703     struct GadgetInfo *gi;
6704     int id = drawingarea_info[i].gadget_id;
6705     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6706     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6707     int area_xsize = drawingarea_info[i].area_xsize;
6708     int area_ysize = drawingarea_info[i].area_ysize;
6709     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6710                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6711     unsigned int event_mask =
6712       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6713       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6714
6715     // determine horizontal position to the right of specified gadget
6716     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6717       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6718            ED_DRAWINGAREA_TEXT_DISTANCE);
6719
6720     // determine horizontal offset for leading text
6721     if (drawingarea_info[i].text_left != NULL)
6722       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6723
6724     gi = CreateGadget(GDI_CUSTOM_ID, id,
6725                       GDI_CUSTOM_TYPE_ID, i,
6726                       GDI_X, x,
6727                       GDI_Y, y,
6728                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6729                       GDI_AREA_SIZE, area_xsize, area_ysize,
6730                       GDI_ITEM_SIZE, item_size, item_size,
6731                       GDI_EVENT_MASK, event_mask,
6732                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6733                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6734                       GDI_END);
6735
6736     if (gi == NULL)
6737       Fail("cannot create gadget");
6738
6739     level_editor_gadget[id] = gi;
6740     right_gadget_border[id] =
6741       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6742   }
6743 }
6744
6745 static void CreateTextInputGadgets(void)
6746 {
6747   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6748   int max_infotext_len = getMaxInfoTextLength();
6749   int i;
6750
6751   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6752   {
6753     int gd_x1 = gd->src_x;
6754     int gd_y1 = gd->src_y;
6755     int gd_x2 = gd->src_x + gd->active_xoffset;
6756     int gd_y2 = gd->src_y + gd->active_yoffset;
6757     struct GadgetInfo *gi;
6758     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6759     char infotext[MAX_OUTPUT_LINESIZE + 1];
6760     int id = textinput_info[i].gadget_id;
6761     int x, y;
6762
6763     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6764     {
6765       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6766       int border_size = gd->border_size;
6767       int font_nr = FONT_INPUT_1;
6768       int font_height = getFontHeight(font_nr);
6769       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6770       int yoffset = element_border + (TILEY - font_height) / 2;
6771
6772       x = (editor.settings.element_name.x != -1 ?
6773            editor.settings.element_name.x :
6774            editor.settings.element_graphic.x + xoffset) - border_size;
6775       y = (editor.settings.element_name.y != -1 ?
6776            editor.settings.element_name.y :
6777            editor.settings.element_graphic.y + yoffset) - border_size;
6778     }
6779     else
6780     {
6781       x = ED_SETTINGS_X(textinput_info[i].x);
6782       y = ED_SETTINGS_Y(textinput_info[i].y);
6783     }
6784
6785     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6786     infotext[max_infotext_len] = '\0';
6787
6788     gi = CreateGadget(GDI_CUSTOM_ID, id,
6789                       GDI_CUSTOM_TYPE_ID, i,
6790                       GDI_INFO_TEXT, infotext,
6791                       GDI_X, SX + x,
6792                       GDI_Y, SY + y,
6793                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6794                       GDI_TEXT_VALUE, textinput_info[i].value,
6795                       GDI_TEXT_SIZE, textinput_info[i].size,
6796                       GDI_TEXT_FONT, FONT_INPUT_1,
6797                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6798                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6799                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6800                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6801                       GDI_DESIGN_WIDTH, gd->width,
6802                       GDI_EVENT_MASK, event_mask,
6803                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6804                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6805                       GDI_END);
6806
6807     if (gi == NULL)
6808       Fail("cannot create gadget");
6809
6810     level_editor_gadget[id] = gi;
6811   }
6812 }
6813
6814 static void CreateTextAreaGadgets(void)
6815 {
6816   int max_infotext_len = getMaxInfoTextLength();
6817   int i;
6818
6819   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6820   {
6821     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6822     int gd_x1 = gd->src_x;
6823     int gd_y1 = gd->src_y;
6824     int gd_x2 = gd->src_x + gd->active_xoffset;
6825     int gd_y2 = gd->src_y + gd->active_yoffset;
6826     struct GadgetInfo *gi;
6827     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
6828     char infotext[MAX_OUTPUT_LINESIZE + 1];
6829     int id = textarea_info[i].gadget_id;
6830     int area_xsize = textarea_info[i].xsize;
6831     int area_ysize = textarea_info[i].ysize;
6832
6833     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6834     infotext[max_infotext_len] = '\0';
6835
6836     gi = CreateGadget(GDI_CUSTOM_ID, id,
6837                       GDI_CUSTOM_TYPE_ID, i,
6838                       GDI_INFO_TEXT, infotext,
6839                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6840                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6841                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6842                       GDI_AREA_SIZE, area_xsize, area_ysize,
6843                       GDI_TEXT_FONT, FONT_INPUT_1,
6844                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6845                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6846                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6847                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6848                       GDI_DESIGN_WIDTH, gd->width,
6849                       GDI_EVENT_MASK, event_mask,
6850                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6851                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6852                       GDI_END);
6853
6854     if (gi == NULL)
6855       Fail("cannot create gadget");
6856
6857     level_editor_gadget[id] = gi;
6858   }
6859 }
6860
6861 static void CreateSelectboxGadgets(void)
6862 {
6863   int max_infotext_len = getMaxInfoTextLength();
6864   int i, j;
6865
6866   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6867   {
6868     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6869     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6870     int gd_x1 = gd->src_x;
6871     int gd_y1 = gd->src_y;
6872     int gd_x2 = gd->src_x + gd->active_xoffset;
6873     int gd_y2 = gd->src_y + gd->active_yoffset;
6874     int selectbox_button_xsize = gd2->width;
6875     struct GadgetInfo *gi;
6876     char infotext[MAX_OUTPUT_LINESIZE + 1];
6877     int id = selectbox_info[i].gadget_id;
6878     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6879     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6880     unsigned int event_mask =
6881       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6882
6883     if (selectbox_info[i].size == -1)   // dynamically determine size
6884     {
6885       // (we cannot use -1 for uninitialized values if we directly compare
6886       // with results from strlen(), because the '<' and '>' operation will
6887       // implicitely cast -1 to an unsigned integer value!)
6888       selectbox_info[i].size = 0;
6889
6890       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6891         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6892           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6893
6894       selectbox_info[i].size++;         // add one character empty space
6895     }
6896
6897     // determine horizontal position to the right of specified gadget
6898     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6899       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6900            ED_GADGET_TEXT_DISTANCE);
6901
6902     // determine horizontal offset for leading text
6903     if (selectbox_info[i].text_left != NULL)
6904       x += getTextWidthForGadget(selectbox_info[i].text_left);
6905
6906     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6907     infotext[max_infotext_len] = '\0';
6908
6909     gi = CreateGadget(GDI_CUSTOM_ID, id,
6910                       GDI_CUSTOM_TYPE_ID, i,
6911                       GDI_INFO_TEXT, infotext,
6912                       GDI_X, x,
6913                       GDI_Y, y,
6914                       GDI_TYPE, GD_TYPE_SELECTBOX,
6915                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6916                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6917                       GDI_TEXT_SIZE, selectbox_info[i].size,
6918                       GDI_TEXT_FONT, FONT_INPUT_1,
6919                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6920                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6921                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6922                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6923                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6924                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6925                       GDI_DESIGN_WIDTH, gd->width,
6926                       GDI_EVENT_MASK, event_mask,
6927                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6928                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6929                       GDI_END);
6930
6931     if (gi == NULL)
6932       Fail("cannot create gadget");
6933
6934     level_editor_gadget[id] = gi;
6935     right_gadget_border[id] =
6936       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6937   }
6938 }
6939
6940 static void CreateTextbuttonGadgets(void)
6941 {
6942   int max_infotext_len = getMaxInfoTextLength();
6943   int i;
6944
6945   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6946   {
6947     int id = textbutton_info[i].gadget_id;
6948     int is_tab_button =
6949       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6950        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6951     int graphic =
6952       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6953     int gadget_distance =
6954       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6955     struct GraphicInfo *gd = &graphic_info[graphic];
6956     int gd_x1 = gd->src_x;
6957     int gd_y1 = gd->src_y;
6958     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6959     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6960     int gd_x1a = gd->src_x + gd->active_xoffset;
6961     int gd_y1a = gd->src_y + gd->active_yoffset;
6962     int border_xsize = gd->border_size + gd->draw_xoffset;
6963     int border_ysize = gd->border_size;
6964     struct GadgetInfo *gi;
6965     unsigned int event_mask = GD_EVENT_RELEASED;
6966     char infotext[MAX_OUTPUT_LINESIZE + 1];
6967     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6968     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6969
6970     if (textbutton_info[i].size == -1)  // dynamically determine size
6971       textbutton_info[i].size = strlen(textbutton_info[i].text);
6972
6973     sprintf(infotext, "%s", textbutton_info[i].infotext);
6974     infotext[max_infotext_len] = '\0';
6975
6976     // determine horizontal position to the right of specified gadget
6977     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6978     {
6979       int gadget_id_align = textbutton_info[i].gadget_id_align;
6980
6981       x = right_gadget_border[gadget_id_align] + gadget_distance;
6982
6983       if (textbutton_info[i].y == -1)
6984         y = level_editor_gadget[gadget_id_align]->y;
6985     }
6986
6987     // determine horizontal offset for leading text
6988     if (textbutton_info[i].text_left != NULL)
6989       x += getTextWidthForGadget(textbutton_info[i].text_left);
6990
6991     gi = CreateGadget(GDI_CUSTOM_ID, id,
6992                       GDI_CUSTOM_TYPE_ID, i,
6993                       GDI_IMAGE_ID, graphic,
6994                       GDI_INFO_TEXT, infotext,
6995                       GDI_X, x,
6996                       GDI_Y, y,
6997                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6998                       GDI_TEXT_VALUE, textbutton_info[i].text,
6999                       GDI_TEXT_SIZE, textbutton_info[i].size,
7000                       GDI_TEXT_FONT, FONT_INPUT_2,
7001                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7002                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7003                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7004                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7005                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7006                       GDI_DESIGN_WIDTH, gd->width,
7007                       GDI_DECORATION_SHIFTING, 1, 1,
7008                       GDI_EVENT_MASK, event_mask,
7009                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7010                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7011                       GDI_END);
7012
7013     if (gi == NULL)
7014       Fail("cannot create gadget");
7015
7016     level_editor_gadget[id] = gi;
7017     right_gadget_border[id] =
7018       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7019   }
7020 }
7021
7022 static void CreateGraphicbuttonGadgets(void)
7023 {
7024   struct GadgetInfo *gi;
7025   int i;
7026
7027   // create buttons for scrolling of drawing area and element list
7028   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7029   {
7030     int id = graphicbutton_info[i].gadget_id;
7031     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7032     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7033     int graphic = graphicbutton_info[i].graphic;
7034     struct GraphicInfo *gd = &graphic_info[graphic];
7035     int gd_x1 = gd->src_x;
7036     int gd_y1 = gd->src_y;
7037     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7038     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7039     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7040
7041     // determine horizontal position to the right of specified gadget
7042     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7043       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7044            ED_GADGET_TEXT_DISTANCE);
7045
7046     // determine horizontal offset for leading text
7047     if (graphicbutton_info[i].text_left != NULL)
7048       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7049
7050     gi = CreateGadget(GDI_CUSTOM_ID, id,
7051                       GDI_CUSTOM_TYPE_ID, i,
7052                       GDI_IMAGE_ID, graphic,
7053                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7054                       GDI_X, x,
7055                       GDI_Y, y,
7056                       GDI_WIDTH, gd->width,
7057                       GDI_HEIGHT, gd->height,
7058                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7059                       GDI_STATE, GD_BUTTON_UNPRESSED,
7060                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7061                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7062                       GDI_EVENT_MASK, event_mask,
7063                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7064                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7065                       GDI_END);
7066
7067     if (gi == NULL)
7068       Fail("cannot create gadget");
7069
7070     level_editor_gadget[id] = gi;
7071     right_gadget_border[id] =
7072       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7073   }
7074 }
7075
7076 static void CreateScrollbarGadgets(void)
7077 {
7078   int i;
7079
7080   // these values are not constant, but can change at runtime
7081   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7082     SX + ED_SCROLL_HORIZONTAL_XPOS;
7083   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7084     SY + ED_SCROLL_HORIZONTAL_YPOS;
7085   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7086     ED_SCROLL_HORIZONTAL_XSIZE;
7087   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7088     ED_SCROLL_HORIZONTAL_YSIZE;
7089   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7090   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7091   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7092   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7093
7094   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7095     SX + ED_SCROLL_VERTICAL_XPOS;
7096   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7097     SY + ED_SCROLL_VERTICAL_YPOS;
7098   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7099     ED_SCROLL_VERTICAL_XSIZE;
7100   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7101     ED_SCROLL_VERTICAL_YSIZE;
7102   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7103   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7104   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7105   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7106
7107   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7108     PX + ED_SCROLL2_VERTICAL_XPOS;
7109   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7110     PY + ED_SCROLL2_VERTICAL_YPOS;
7111   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7112     ED_SCROLL2_VERTICAL_XSIZE;
7113   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7114     ED_SCROLL2_VERTICAL_YSIZE;
7115   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7116   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7117   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7118   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7119
7120   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7121   {
7122     int id = scrollbar_info[i].gadget_id;
7123     int graphic = scrollbar_info[i].graphic;
7124     struct GraphicInfo *gd = &graphic_info[graphic];
7125     int gd_x1 = gd->src_x;
7126     int gd_y1 = gd->src_y;
7127     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7128     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7129     struct GadgetInfo *gi;
7130     int items_max, items_visible, item_position;
7131     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7132
7133     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7134     {
7135       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7136       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7137       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7138     }
7139     else        // drawing area scrollbars
7140     {
7141       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7142       {
7143         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7144         items_visible = ed_fieldx;
7145         item_position = 0;
7146       }
7147       else
7148       {
7149         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7150         items_visible = ed_fieldy;
7151         item_position = 0;
7152       }
7153     }
7154
7155     gi = CreateGadget(GDI_CUSTOM_ID, id,
7156                       GDI_CUSTOM_TYPE_ID, i,
7157                       GDI_IMAGE_ID, graphic,
7158                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7159                       GDI_X, scrollbar_pos[i].x,
7160                       GDI_Y, scrollbar_pos[i].y,
7161                       GDI_WIDTH, scrollbar_pos[i].width,
7162                       GDI_HEIGHT, scrollbar_pos[i].height,
7163                       GDI_TYPE, scrollbar_info[i].type,
7164                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7165                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7166                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7167                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7168                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7169                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7170                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7171                       GDI_STATE, GD_BUTTON_UNPRESSED,
7172                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7173                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7174                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7175                       GDI_EVENT_MASK, event_mask,
7176                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7177                       GDI_CALLBACK_ACTION, HandleControlButtons,
7178                       GDI_END);
7179
7180     if (gi == NULL)
7181       Fail("cannot create gadget");
7182
7183     level_editor_gadget[id] = gi;
7184   }
7185 }
7186
7187 static void CreateCheckbuttonGadgets(void)
7188 {
7189   struct GadgetInfo *gi;
7190   int i;
7191
7192   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7193   {
7194     int id = checkbutton_info[i].gadget_id;
7195     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7196                    IMG_EDITOR_CHECKBOX);
7197     struct GraphicInfo *gd = &graphic_info[graphic];
7198     int gd_x1 = gd->src_x;
7199     int gd_y1 = gd->src_y;
7200     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7201     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7202     int gd_x1a = gd->src_x + gd->active_xoffset;
7203     int gd_y1a = gd->src_y + gd->active_yoffset;
7204     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7205     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7206     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7207     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7208     unsigned int event_mask = GD_EVENT_PRESSED;
7209
7210     // determine horizontal position to the right of specified gadget
7211     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7212       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7213            ED_GADGET_TEXT_DISTANCE);
7214
7215     // determine horizontal offset for leading text
7216     if (checkbutton_info[i].text_left != NULL)
7217       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7218
7219     gi = CreateGadget(GDI_CUSTOM_ID, id,
7220                       GDI_CUSTOM_TYPE_ID, i,
7221                       GDI_IMAGE_ID, graphic,
7222                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7223                       GDI_X, x,
7224                       GDI_Y, y,
7225                       GDI_WIDTH, gd->width,
7226                       GDI_HEIGHT, gd->height,
7227                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7228                       GDI_CHECKED, *checkbutton_info[i].value,
7229                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7230                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7231                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7232                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7233                       GDI_EVENT_MASK, event_mask,
7234                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7235                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7236                       GDI_END);
7237
7238     if (gi == NULL)
7239       Fail("cannot create gadget");
7240
7241     level_editor_gadget[id] = gi;
7242     right_gadget_border[id] =
7243       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7244   }
7245 }
7246
7247 static void CreateRadiobuttonGadgets(void)
7248 {
7249   int graphic = IMG_EDITOR_RADIOBUTTON;
7250   struct GraphicInfo *gd = &graphic_info[graphic];
7251   int gd_x1 = gd->src_x;
7252   int gd_y1 = gd->src_y;
7253   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7254   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7255   int gd_x1a = gd->src_x + gd->active_xoffset;
7256   int gd_y1a = gd->src_y + gd->active_yoffset;
7257   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7258   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7259   struct GadgetInfo *gi;
7260   int i;
7261
7262   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7263   {
7264     int id = radiobutton_info[i].gadget_id;
7265     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7266     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7267     unsigned int event_mask = GD_EVENT_PRESSED;
7268
7269     int checked =
7270       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7271
7272     // determine horizontal position to the right of specified gadget
7273     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7274       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7275            ED_GADGET_TEXT_DISTANCE);
7276
7277     // determine horizontal offset for leading text
7278     if (radiobutton_info[i].text_left != NULL)
7279       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7280
7281     gi = CreateGadget(GDI_CUSTOM_ID, id,
7282                       GDI_CUSTOM_TYPE_ID, i,
7283                       GDI_IMAGE_ID, graphic,
7284                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7285                       GDI_X, x,
7286                       GDI_Y, y,
7287                       GDI_WIDTH, gd->width,
7288                       GDI_HEIGHT, gd->height,
7289                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7290                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7291                       GDI_CHECKED, checked,
7292                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7293                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7294                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7295                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7296                       GDI_EVENT_MASK, event_mask,
7297                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7298                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7299                       GDI_END);
7300
7301     if (gi == NULL)
7302       Fail("cannot create gadget");
7303
7304     level_editor_gadget[id] = gi;
7305     right_gadget_border[id] =
7306       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7307   }
7308 }
7309
7310 void CreateLevelEditorGadgets(void)
7311 {
7312   // force EDITOR font inside level editor
7313   SetFontStatus(GAME_MODE_EDITOR);
7314
7315   // these values are not constant, but can change at runtime
7316   ed_fieldx = MAX_ED_FIELDX - 1;
7317   ed_fieldy = MAX_ED_FIELDY - 1;
7318
7319   num_editor_gadgets = NUM_EDITOR_GADGETS;
7320
7321   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7322
7323   level_editor_gadget =
7324     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7325   right_gadget_border =
7326     checked_calloc(num_editor_gadgets * sizeof(int));
7327
7328   // set number of empty (padding) element buttons to maximum number of buttons
7329   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7330
7331   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7332   editor_el_empty_ptr = editor_el_empty;
7333
7334   use_permanent_palette = !editor.palette.show_as_separate_screen;
7335
7336   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
7337
7338   ReinitializeElementList();
7339
7340   CreateControlButtons();
7341   CreateScrollbarGadgets();
7342
7343   // order of function calls is important because of cross-references
7344   CreateCheckbuttonGadgets();
7345   CreateCounterButtons();
7346   CreateRadiobuttonGadgets();
7347   CreateTextInputGadgets();
7348   CreateTextAreaGadgets();
7349   CreateSelectboxGadgets();
7350   CreateGraphicbuttonGadgets();
7351   CreateTextbuttonGadgets();
7352   CreateDrawingAreas();
7353
7354   ResetFontStatus();
7355 }
7356
7357 void FreeLevelEditorGadgets(void)
7358 {
7359   int i;
7360
7361   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7362
7363   for (i = 0; i < num_editor_gadgets; i++)
7364   {
7365     FreeGadget(level_editor_gadget[i]);
7366
7367     level_editor_gadget[i] = NULL;
7368   }
7369
7370   checked_free(level_editor_gadget);
7371   checked_free(right_gadget_border);
7372
7373   checked_free(editor_el_empty);
7374 }
7375
7376 static void MapCounterButtons(int id)
7377 {
7378   int font_nr = FONT_TEXT_1;
7379   int font_height = getFontHeight(font_nr);
7380   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7381   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7382   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7383   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7384   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7385   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7386   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7387   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7388   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7389   int yoffset = (gi_down->height - font_height) / 2;
7390   int x_left = gi_down->x - xoffset_left;
7391   int x_right;  // set after gadget position was modified
7392   int y_above = gi_down->y - yoffset_above;
7393   int x = gi_down->x;
7394   int y;        // set after gadget position was modified
7395
7396   // counter limits must be changed first to prevent value truncation
7397   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7398                             counterbutton_info[id].max_value);
7399
7400   // right text position might have changed after setting position above
7401   x_right = gi_up->x + gi_up->width + xoffset_right;
7402
7403   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7404
7405   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7406   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7407       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7408   {
7409     ModifyGadget(gi_down, GDI_Y,
7410                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7411     ModifyGadget(gi_text, GDI_Y,
7412                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7413     ModifyGadget(gi_up,   GDI_Y,
7414                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7415   }
7416
7417   // vertical position might have changed after setting position above
7418   y = gi_up->y + yoffset;
7419
7420   if (counterbutton_info[id].text_above)
7421     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7422
7423   if (counterbutton_info[id].text_left)
7424     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7425
7426   if (counterbutton_info[id].text_right)
7427     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7428
7429   MapGadget(gi_down);
7430   MapGadget(gi_text);
7431   MapGadget(gi_up);
7432 }
7433
7434 static void MapControlButtons(void)
7435 {
7436   int counter_id;
7437   int i;
7438
7439   // map toolbox buttons (excluding special CE toolbox buttons)
7440   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7441     MapGadget(level_editor_gadget[i]);
7442
7443   // map toolbox buttons (element properties buttons)
7444   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7445     MapGadget(level_editor_gadget[i]);
7446
7447   if (use_permanent_palette)
7448   {
7449     // map buttons to select elements
7450     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7451       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7452     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7453     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7454     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7455   }
7456
7457   // map buttons to select level
7458   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7459   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7460   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7461   MapCounterButtons(counter_id);
7462 }
7463
7464 static void MapDrawingArea(int id)
7465 {
7466   int font_nr = FONT_TEXT_1;
7467   int font_height = getFontHeight(font_nr);
7468   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7469   int area_xsize = gi->drawing.area_xsize;
7470   int area_ysize = gi->drawing.area_ysize;
7471   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7472   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7473   int x_left  = gi->x - xoffset_left;
7474   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7475   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7476   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7477   int y_side  = gi->y + (gi->height - font_height) / 2;
7478   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7479   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7480
7481   if (drawingarea_info[id].text_left)
7482     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7483
7484   if (drawingarea_info[id].text_right)
7485     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7486
7487   if (drawingarea_info[id].text_above)
7488     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7489
7490   if (drawingarea_info[id].text_below)
7491     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7492
7493   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7494   {
7495     DrawElementBorder(gi->x, gi->y,
7496                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7497                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7498
7499     DrawDrawingArea(id);
7500   }
7501
7502   MapGadget(gi);
7503 }
7504
7505 static void MapTextInputGadget(int id)
7506 {
7507   int font_nr = FONT_TEXT_1;
7508   int font_height = getFontHeight(font_nr);
7509   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7510   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7511   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7512   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7513
7514   if (textinput_info[id].text_above)
7515     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7516
7517   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7518
7519   MapGadget(gi);
7520 }
7521
7522 static void MapTextAreaGadget(int id)
7523 {
7524   int font_nr = FONT_TEXT_1;
7525   int font_height = getFontHeight(font_nr);
7526   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7527   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7528   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7529   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7530   char *text_above = textarea_info[id].text_above;
7531
7532   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
7533     text_above = textarea_info[id].text_above_cropped;
7534
7535   if (text_above)
7536     DrawTextS(x_above, y_above, font_nr, text_above);
7537
7538   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7539
7540   MapGadget(gi);
7541 }
7542
7543 static void MapSelectboxGadget(int id)
7544 {
7545   int font_nr = FONT_TEXT_1;
7546   int font_height = getFontHeight(font_nr);
7547   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7548   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7549   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7550   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7551   int yoffset = (gi->height - font_height) / 2;
7552   int x_left = gi->x - xoffset_left;
7553   int x_right = gi->x + gi->width + xoffset_right;
7554   int y_above = gi->y - yoffset_above;
7555   int x = gi->x;
7556   int y = gi->y + yoffset;
7557
7558   if (selectbox_info[id].text_above)
7559     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7560
7561   if (selectbox_info[id].text_left)
7562     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7563
7564   if (selectbox_info[id].text_right)
7565     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7566
7567   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7568
7569   MapGadget(gi);
7570 }
7571
7572 static void MapTextbuttonGadget(int id)
7573 {
7574   int font_nr = FONT_TEXT_1;
7575   int font_height = getFontHeight(font_nr);
7576   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7577   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7578   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7579   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7580   int yoffset = (gi->height - font_height) / 2;
7581   int x_left = gi->x - xoffset_left;
7582   int x_right = gi->x + gi->width + xoffset_right;
7583   int y_above = gi->y - yoffset_above;
7584   int x = gi->x;
7585   int y = gi->y + yoffset;
7586
7587   // only show button to delete change pages when more than minimum pages
7588   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7589       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7590     return;
7591
7592   if (textbutton_info[id].text_above)
7593     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7594
7595   if (textbutton_info[id].text_left)
7596     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7597
7598   if (textbutton_info[id].text_right)
7599     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7600
7601   MapGadget(gi);
7602 }
7603
7604 static void MapGraphicbuttonGadget(int id)
7605 {
7606   int font_nr = FONT_TEXT_1;
7607   int font_height = getFontHeight(font_nr);
7608   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7609   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7610   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7611   int yoffset = (gi->height - font_height) / 2;
7612   int x_left = gi->x - xoffset_left;
7613   int x_right = gi->x + gi->width + xoffset_right;
7614   int y = gi->y + yoffset;
7615
7616   if (graphicbutton_info[id].text_left)
7617     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7618
7619   if (graphicbutton_info[id].text_right)
7620     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7621
7622   MapGadget(gi);
7623 }
7624
7625 static void MapRadiobuttonGadget(int id)
7626 {
7627   int font_nr = FONT_TEXT_1;
7628   int font_height = getFontHeight(font_nr);
7629   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7630   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7631   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7632   int yoffset = (gi->height - font_height) / 2;
7633   int x_left = gi->x - xoffset_left;
7634   int x_right = gi->x + gi->width + xoffset_right;
7635   int y = gi->y + yoffset;
7636   boolean checked =
7637     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7638
7639   if (radiobutton_info[id].text_left)
7640     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7641
7642   if (radiobutton_info[id].text_right)
7643     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7644
7645   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7646
7647   MapGadget(gi);
7648 }
7649
7650 static void MapCheckbuttonGadget(int id)
7651 {
7652   int font_nr = FONT_TEXT_1;
7653   int font_height = getFontHeight(font_nr);
7654   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7655   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7656   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7657   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7658   int yoffset = (gi->height - font_height) / 2;
7659   int y_above = gi->y - yoffset_above;
7660   int x = gi->x;
7661   int x_left, x_right, y;       // set after gadget position was modified
7662
7663   // set position for gadgets with dynamically determined position
7664   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7665     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7666   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7667
7668   x_left = gi->x - xoffset_left;
7669   x_right = gi->x + gi->width + xoffset_right;
7670   y = gi->y + yoffset;
7671
7672   if (checkbutton_info[id].text_above)
7673     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7674
7675   if (checkbutton_info[id].text_left)
7676     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7677
7678   if (checkbutton_info[id].text_right)
7679     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7680
7681   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7682
7683   MapGadget(gi);
7684 }
7685
7686 static void MapMainDrawingArea(void)
7687 {
7688   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7689   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7690   int i;
7691
7692   if (suppressBorderElement())
7693   {
7694     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7695     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7696   }
7697
7698   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7699   {
7700     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7701           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7702          no_horizontal_scrollbar) ||
7703         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7704           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7705          no_vertical_scrollbar))
7706       continue;
7707
7708     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7709   }
7710
7711   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7712   {
7713     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7714         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7715       continue;
7716
7717     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7718   }
7719
7720   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7721 }
7722
7723 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7724 {
7725   int i;
7726
7727   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7728   {
7729     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7730         i == GADGET_ID_CUSTOM_COPY_TO ||
7731         i == GADGET_ID_CUSTOM_EXCHANGE ||
7732         i == GADGET_ID_CUSTOM_COPY ||
7733         i == GADGET_ID_CUSTOM_PASTE)
7734     {
7735       if (map)
7736         MapGadget(level_editor_gadget[i]);
7737       else
7738         UnmapGadget(level_editor_gadget[i]);
7739     }
7740   }
7741 }
7742
7743 static void MapLevelEditorToolboxCustomGadgets(void)
7744 {
7745   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7746 }
7747
7748 static void UnmapLevelEditorToolboxCustomGadgets(void)
7749 {
7750   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7751 }
7752
7753 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7754 {
7755   int i;
7756
7757   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7758   {
7759     if (i != GADGET_ID_SINGLE_ITEMS &&
7760         i != GADGET_ID_PICK_ELEMENT)
7761     {
7762       struct GadgetInfo *gi = level_editor_gadget[i];
7763
7764       if (map)
7765       {
7766         MapGadget(gi);
7767       }
7768       else
7769       {
7770         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7771         struct GraphicInfo *gd = &graphic_info[graphic];
7772
7773         UnmapGadget(gi);
7774
7775         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7776                    gi->width, gi->height, gi->x, gi->y);
7777
7778         redraw_mask |= REDRAW_DOOR_3;
7779       }
7780     }
7781   }
7782 }
7783
7784 static void MapLevelEditorToolboxDrawingGadgets(void)
7785 {
7786   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7787 }
7788
7789 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7790 {
7791   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7792 }
7793
7794 static void UnmapDrawingArea(int id)
7795 {
7796   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7797 }
7798
7799 static void UnmapLevelEditorFieldGadgets(void)
7800 {
7801   int i;
7802
7803   for (i = 0; i < num_editor_gadgets; i++)
7804     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7805                           level_editor_gadget[i]->y))
7806       UnmapGadget(level_editor_gadget[i]);
7807 }
7808
7809 void UnmapLevelEditorGadgets(void)
7810 {
7811   int i;
7812
7813   for (i = 0; i < num_editor_gadgets; i++)
7814     UnmapGadget(level_editor_gadget[i]);
7815 }
7816
7817 static void ResetUndoBuffer(void)
7818 {
7819   undo_buffer_position = -1;
7820   undo_buffer_steps = -1;
7821   redo_buffer_steps = 0;
7822
7823   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7824
7825   level.changed = FALSE;
7826 }
7827
7828 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7829 {
7830   if (remap_toolbox_gadgets)
7831   {
7832     ModifyEditorElementList();
7833     RedrawDrawingElements();
7834   }
7835
7836   if (edit_mode == ED_MODE_INFO)
7837     DrawLevelInfoWindow();
7838   else if (edit_mode == ED_MODE_PROPERTIES)
7839     DrawPropertiesWindow();
7840   else if (edit_mode == ED_MODE_PALETTE)
7841     DrawPaletteWindow();
7842   else  // edit_mode == ED_MODE_DRAWING
7843     DrawDrawingWindowExt(remap_toolbox_gadgets);
7844 }
7845
7846 static void DrawEditModeWindow(void)
7847 {
7848   DrawEditModeWindowExt(TRUE);
7849 }
7850
7851 static void DrawEditModeWindow_PlayfieldOnly(void)
7852 {
7853   DrawEditModeWindowExt(FALSE);
7854 }
7855
7856 static void ChangeEditModeWindow(int new_edit_mode)
7857 {
7858   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7859
7860   DrawEditModeWindow();
7861 }
7862
7863 static boolean LevelChanged(void)
7864 {
7865   boolean field_changed = FALSE;
7866   int x, y;
7867
7868   for (y = 0; y < lev_fieldy; y++)
7869     for (x = 0; x < lev_fieldx; x++)
7870       if (Tile[x][y] != level.field[x][y])
7871         field_changed = TRUE;
7872
7873   return (level.changed || field_changed);
7874 }
7875
7876 static boolean PrepareSavingIntoPersonalLevelSet(void)
7877 {
7878   static LevelDirTree *last_copied_leveldir = NULL;
7879   static LevelDirTree *last_written_leveldir = NULL;
7880   static int last_copied_level_nr = -1;
7881   static int last_written_level_nr = -1;
7882   LevelDirTree *leveldir_former = leveldir_current;
7883   int level_nr_former = level_nr;
7884   int new_level_nr;
7885
7886   // remember last mod/save so that for current session, we write
7887   // back to the same personal copy, asking only about overwrite.
7888   if (leveldir_current == last_copied_leveldir &&
7889       level_nr == last_copied_level_nr)
7890   {
7891     // "cd" to personal level set dir (as used when writing last copy)
7892     leveldir_current = last_written_leveldir;
7893     level_nr = last_written_level_nr;
7894
7895     return TRUE;
7896   }
7897
7898   if (!Request("This level is read-only! "
7899                "Save into personal level set?", REQ_ASK))
7900     return FALSE;
7901
7902   // "cd" to personal level set dir (for writing copy the first time)
7903   leveldir_current =
7904     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7905
7906   // this may happen if "setup.internal.create_user_levelset" is FALSE
7907   // or if file "levelinfo.conf" is missing in personal user level set
7908   if (leveldir_current == NULL)
7909   {
7910     Request("Cannot find personal level set?!", REQ_CONFIRM);
7911
7912     leveldir_current = leveldir_former;
7913
7914     return FALSE;
7915   }
7916
7917   // find unused level number
7918   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7919   {
7920     static char *level_filename = NULL;
7921
7922     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7923
7924     if (!fileExists(level_filename))
7925       break;
7926   }
7927
7928   last_copied_leveldir = leveldir_former;
7929   last_copied_level_nr = level_nr_former;
7930
7931   last_written_leveldir = leveldir_current;
7932   last_written_level_nr = level_nr = new_level_nr;
7933
7934   return TRUE;
7935 }
7936
7937 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7938 {
7939   static char *filename_levelinfo = NULL, *mod_name = NULL;
7940   FILE *file;
7941
7942   // annotate this copy-and-mod in personal levelinfo.conf
7943   setString(&filename_levelinfo,
7944             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7945
7946   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7947   {
7948     fprintf(file, "\n");
7949     fprintf(file, "# level %d was modified from:\n", level_nr);
7950     fprintf(file, "# - previous level set name:    %s\n",
7951             former_name);
7952     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7953             level.file_info.nr, level.name);
7954     fprintf(file, "# - previous author:            %s\n",
7955             level.author);
7956     fprintf(file, "# - previous save date:         ");
7957
7958     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7959     {
7960       fprintf(file, "%04d-%02d-%02d\n",
7961               level.creation_date.year,
7962               level.creation_date.month,
7963               level.creation_date.day);
7964     }
7965     else
7966     {
7967       fprintf(file, "not recorded\n");
7968     }
7969
7970     fclose(file);
7971   }
7972
7973   if (level_nr > leveldir_current->last_level)
7974     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7975
7976   // else: allow the save even if annotation failed
7977
7978   // now... spray graffiti on the old level vital statistics
7979   // user can change these; just trying to set a good baseline
7980
7981   // don't truncate names for fear of making offensive or silly:
7982   // long-named original author only recorded in levelinfo.conf.
7983   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7984   if (!strEqual(level.author, leveldir_current->author))
7985   {
7986     setString(&mod_name, getStringCat3(leveldir_current->author,
7987                                        " after ", level.author));
7988
7989     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7990       setString(&mod_name,
7991                 getStringCat2(leveldir_current->author, " (ed.)"));
7992
7993     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7994       setString(&mod_name, leveldir_current->author);
7995
7996     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7997
7998     // less worried about truncation here
7999     setString(&mod_name, getStringCat2("Mod: ", level.name));
8000     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8001   }
8002 }
8003
8004 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8005                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8006 {
8007   int x, y;
8008
8009   for (x = 0; x < lev_fieldx; x++)
8010     for (y = 0; y < lev_fieldy; y++)
8011       dst[x][y] = src[x][y];
8012 }
8013
8014 static int setSelectboxValue(int selectbox_id, int new_value)
8015 {
8016   int new_index_value = 0;
8017   int i;
8018
8019   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8020     if (selectbox_info[selectbox_id].options[i].value == new_value)
8021       new_index_value = i;
8022
8023   *selectbox_info[selectbox_id].value =
8024     selectbox_info[selectbox_id].options[new_index_value].value;
8025
8026   return new_index_value;
8027 }
8028
8029 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8030 {
8031   int i;
8032
8033   // change action mode and arg variables according to action type variable
8034   for (i = 0; action_arg_options[i].value != -1; i++)
8035   {
8036     if (action_arg_options[i].value == custom_element_change.action_type)
8037     {
8038       int mode = action_arg_options[i].mode;
8039
8040       // only change if corresponding selectbox has changed
8041       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8042           action_arg_modes[mode])
8043         custom_element_change.action_mode = -1;
8044
8045       // only change if corresponding selectbox has changed
8046       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8047           action_arg_options[i].options)
8048         custom_element_change.action_arg = -1;
8049
8050       break;
8051     }
8052   }
8053 }
8054
8055 static void setSelectboxSpecialActionOptions(void)
8056 {
8057   int i;
8058
8059   // change action mode and arg selectbox according to action type selectbox
8060   for (i = 0; action_arg_options[i].value != -1; i++)
8061   {
8062     if (action_arg_options[i].value == custom_element_change.action_type)
8063     {
8064       int mode = action_arg_options[i].mode;
8065
8066       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8067                                    action_arg_modes[mode]);
8068       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8069                                  custom_element_change.action_mode);
8070
8071       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8072                                    action_arg_options[i].options);
8073       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8074                                  custom_element_change.action_arg);
8075       break;
8076     }
8077   }
8078 }
8079
8080 static void copy_custom_element_settings(int element_from, int element_to)
8081 {
8082   struct ElementInfo *ei_from = &element_info[element_from];
8083   struct ElementInfo *ei_to = &element_info[element_to];
8084
8085   copyElementInfo(ei_from, ei_to);
8086 }
8087
8088 static void replace_custom_element_in_settings(int element_from,
8089                                                int element_to)
8090 {
8091   int i, j, x, y;
8092
8093   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8094   {
8095     struct ElementInfo *ei = &element_info[i];
8096
8097     for (y = 0; y < 3; y++)
8098       for (x = 0; x < 3; x++)
8099         if (ei->content.e[x][y] == element_from)
8100           ei->content.e[x][y] = element_to;
8101
8102     for (j = 0; j < ei->num_change_pages; j++)
8103     {
8104       struct ElementChangeInfo *change = &ei->change_page[j];
8105
8106       if (change->target_element == element_from)
8107         change->target_element = element_to;
8108
8109       if (change->initial_trigger_element == element_from)
8110         change->initial_trigger_element = element_to;
8111
8112       if (change->action_element == element_from)
8113         change->action_element = element_to;
8114
8115       for (y = 0; y < 3; y++)
8116         for (x = 0; x < 3; x++)
8117           if (change->target_content.e[x][y] == element_from)
8118             change->target_content.e[x][y] = element_to;
8119     }
8120
8121     if (ei->group != NULL)                              // group or internal
8122       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8123         if (ei->group->element[j] == element_from)
8124           ei->group->element[j] = element_to;
8125   }
8126 }
8127
8128 static void replace_custom_element_in_playfield(int element_from,
8129                                                 int element_to)
8130 {
8131   int x, y;
8132
8133   for (x = 0; x < lev_fieldx; x++)
8134     for (y = 0; y < lev_fieldy; y++)
8135       if (Tile[x][y] == element_from)
8136         Tile[x][y] = element_to;
8137 }
8138
8139 static boolean CopyCustomElement(int element_old, int element_new,
8140                                  int copy_mode)
8141 {
8142   int copy_mode_orig = copy_mode;
8143
8144   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8145   {
8146     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8147                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8148     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8149   }
8150   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8151   {
8152     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8153                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8154     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8155
8156     level.changed = TRUE;
8157   }
8158   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8159   {
8160     Request("Please choose custom element!", REQ_CONFIRM);
8161
8162     return FALSE;
8163   }
8164   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8165   {
8166     Request("Please choose group element!", REQ_CONFIRM);
8167
8168     return FALSE;
8169   }
8170   else
8171   {
8172     level.changed = TRUE;
8173   }
8174
8175   // when modifying custom/group element, ask for copying level template
8176   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8177   {
8178     if (!AskToCopyAndModifyLevelTemplate())
8179       return FALSE;
8180   }
8181
8182   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8183   {
8184     copy_custom_element_settings(element_new, element_old);
8185   }
8186   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8187   {
8188     copy_custom_element_settings(element_old, element_new);
8189   }
8190   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8191   {
8192     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8193     copy_custom_element_settings(element_new, element_old);
8194     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8195
8196     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8197     replace_custom_element_in_settings(element_new, element_old);
8198     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8199
8200     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8201     replace_custom_element_in_playfield(element_new, element_old);
8202     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8203   }
8204
8205   UpdateCustomElementGraphicGadgets();
8206   DrawPropertiesWindow();
8207
8208   return TRUE;
8209 }
8210
8211 static void CopyCustomElementPropertiesToEditor(int element)
8212 {
8213   int i;
8214   int current_change_page = element_info[element].current_change_page;
8215
8216   // dynamically (re)build selectbox for selecting change page
8217   for (i = 0; i < element_info[element].num_change_pages; i++)
8218   {
8219     sprintf(options_change_page_strings[i], "%d", i + 1);
8220
8221     options_change_page[i].value = i;
8222     options_change_page[i].text = options_change_page_strings[i];
8223   }
8224
8225   options_change_page[i].value = -1;
8226   options_change_page[i].text = NULL;
8227
8228   // needed here to initialize combined element properties
8229   InitElementPropertiesEngine(level.game_version);
8230
8231   element_info[element].change =
8232     &element_info[element].change_page[current_change_page];
8233
8234   custom_element = element_info[element];
8235   custom_element_change = *element_info[element].change;
8236
8237   // needed to initially set selectbox options for special action options
8238   setSelectboxSpecialActionOptions();
8239
8240   // needed to initially set selectbox value variables to reliable defaults
8241   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8242     setSelectboxValue(i, *selectbox_info[i].value);
8243
8244   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8245     custom_element_properties[i] = HAS_PROPERTY(element, i);
8246
8247   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8248     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8249
8250   // ---------- element settings: configure (custom elements) -----------------
8251
8252   // set accessible layer selectbox help value
8253   custom_element.access_type =
8254     (IS_WALKABLE(element) ? EP_WALKABLE :
8255      IS_PASSABLE(element) ? EP_PASSABLE :
8256      custom_element.access_type);
8257   custom_element.access_layer =
8258     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8259      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8260      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8261      custom_element.access_layer);
8262   custom_element.access_protected =
8263     (IS_PROTECTED(element) ? 1 : 0);
8264   custom_element_properties[EP_ACCESSIBLE] =
8265     (IS_ACCESSIBLE_OVER(element) ||
8266      IS_ACCESSIBLE_INSIDE(element) ||
8267      IS_ACCESSIBLE_UNDER(element));
8268
8269   // set walk-to-object action selectbox help value
8270   custom_element.walk_to_action =
8271     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8272      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8273      IS_DROPPABLE(element) ? EP_DROPPABLE :
8274      IS_THROWABLE(element) ? EP_THROWABLE :
8275      IS_PUSHABLE(element) ? EP_PUSHABLE :
8276      custom_element.walk_to_action);
8277   custom_element_properties[EP_WALK_TO_OBJECT] =
8278     (IS_DIGGABLE(element) ||
8279      IS_COLLECTIBLE_ONLY(element) ||
8280      IS_DROPPABLE(element) ||
8281      IS_THROWABLE(element) ||
8282      IS_PUSHABLE(element));
8283
8284   // set smash targets selectbox help value
8285   custom_element.smash_targets =
8286     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8287      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8288      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8289      custom_element.smash_targets);
8290   custom_element_properties[EP_CAN_SMASH] =
8291     (CAN_SMASH_EVERYTHING(element) ||
8292      CAN_SMASH_ENEMIES(element) ||
8293      CAN_SMASH_PLAYER(element));
8294
8295   // set deadliness selectbox help value
8296   custom_element.deadliness =
8297     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8298      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8299      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8300      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8301      custom_element.deadliness);
8302   custom_element_properties[EP_DEADLY] =
8303     (DONT_TOUCH(element) ||
8304      DONT_GET_HIT_BY(element) ||
8305      DONT_COLLIDE_WITH(element) ||
8306      DONT_RUN_INTO(element));
8307
8308   // ---------- element settings: advanced (custom elements) ------------------
8309
8310   // set "change by direct action" selectbox help value
8311   custom_element_change.direct_action =
8312     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8313      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8314      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8315      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8316      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8317      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8318      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8319      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8320      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8321      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8322      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8323      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8324      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8325      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8326      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8327      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8328      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8329      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8330      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8331      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8332      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8333      custom_element_change.direct_action);
8334
8335   // set "change by other element action" selectbox help value
8336   custom_element_change.other_action =
8337     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8338      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8339      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8340      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8341      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8342      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8343      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8344      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8345      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8346      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8347      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8348      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8349      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8350      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8351      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8352      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8353      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8354      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8355      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8356      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8357      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8358      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8359      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8360      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8361      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8362      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8363      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8364      custom_element_change.other_action);
8365 }
8366
8367 static void CopyGroupElementPropertiesToEditor(int element)
8368 {
8369   group_element_info = *element_info[element].group;
8370   custom_element = element_info[element];       // needed for description
8371 }
8372
8373 static void CopyEmptyElementPropertiesToEditor(int element)
8374 {
8375   custom_element = element_info[element];
8376 }
8377
8378 static void CopyClassicElementPropertiesToEditor(int element)
8379 {
8380   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8381     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8382       getMoveIntoAcidProperty(&level, element);
8383
8384   if (MAYBE_DONT_COLLIDE_WITH(element))
8385     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8386       getDontCollideWithProperty(&level, element);
8387 }
8388
8389 static void CopyElementPropertiesToEditor(int element)
8390 {
8391   if (IS_CUSTOM_ELEMENT(element))
8392     CopyCustomElementPropertiesToEditor(element);
8393   else if (IS_GROUP_ELEMENT(element))
8394     CopyGroupElementPropertiesToEditor(element);
8395   else if (IS_EMPTY_ELEMENT(element))
8396     CopyEmptyElementPropertiesToEditor(element);
8397   else
8398     CopyClassicElementPropertiesToEditor(element);
8399 }
8400
8401 static boolean AskToCopyAndModifyLevelTemplate(void)
8402 {
8403   if (Request("Copy and modify settings from level template?", REQ_ASK))
8404   {
8405     level.use_custom_template = FALSE;
8406
8407     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8408                  GDI_CHECKED, FALSE, GDI_END);
8409     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8410                  GDI_CHECKED, FALSE, GDI_END);
8411
8412     return TRUE;
8413   }
8414   else
8415   {
8416     LoadLevelTemplate(-1);      // this resets all element modifications ...
8417
8418     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8419
8420     return FALSE;
8421   }
8422 }
8423
8424 static void CopyCustomElementPropertiesToGame(int element)
8425 {
8426   int i;
8427   int access_type_and_layer;
8428
8429   // mark that this custom element has been modified
8430   custom_element.modified_settings = TRUE;
8431   level.changed = TRUE;
8432
8433   if (level.use_custom_template)
8434     AskToCopyAndModifyLevelTemplate();
8435
8436   element_info[element] = custom_element;
8437   *element_info[element].change = custom_element_change;
8438
8439   // ---------- element settings: configure (custom elements) -----------------
8440
8441   // set accessible property from checkbox and selectbox
8442   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8443   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8444   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8445   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8446   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8447   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8448   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8449                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8450                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8451   custom_element_properties[access_type_and_layer] =
8452     custom_element_properties[EP_ACCESSIBLE];
8453   custom_element_properties[EP_PROTECTED] =
8454     (custom_element.access_protected != 0 &&
8455      custom_element_properties[EP_ACCESSIBLE]);
8456
8457   // set walk-to-object property from checkbox and selectbox
8458   custom_element_properties[EP_DIGGABLE] = FALSE;
8459   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8460   custom_element_properties[EP_DROPPABLE] = FALSE;
8461   custom_element_properties[EP_THROWABLE] = FALSE;
8462   custom_element_properties[EP_PUSHABLE] = FALSE;
8463   custom_element_properties[custom_element.walk_to_action] =
8464     custom_element_properties[EP_WALK_TO_OBJECT];
8465
8466   // set smash property from checkbox and selectbox
8467   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8468   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8469   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8470   custom_element_properties[custom_element.smash_targets] =
8471     custom_element_properties[EP_CAN_SMASH];
8472
8473   // set deadliness property from checkbox and selectbox
8474   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8475   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8476   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8477   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8478   custom_element_properties[custom_element.deadliness] =
8479     custom_element_properties[EP_DEADLY];
8480
8481   // ---------- element settings: advanced (custom elements) ------------------
8482
8483   // set player change event from checkbox and selectbox
8484   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8485   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8486   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8487   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8488   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8489   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8490   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8491   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8492   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8493   custom_element_change_events[CE_SWITCHED] = FALSE;
8494   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8495   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8496   custom_element_change_events[CE_BLOCKED] = FALSE;
8497   custom_element_change_events[CE_IMPACT] = FALSE;
8498   custom_element_change_events[CE_SMASHED] = FALSE;
8499   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8500   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8501   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8502   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8503   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8504   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8505   custom_element_change_events[custom_element_change.direct_action] =
8506     custom_element_change_events[CE_BY_DIRECT_ACTION];
8507
8508   // set other element action change event from checkbox and selectbox
8509   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8510   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8511   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8512   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8513   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8514   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8515   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8516   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8517   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8518   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8519   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8520   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8521   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8522   custom_element_change_events[CE_HITTING_X] = FALSE;
8523   custom_element_change_events[CE_DIGGING_X] = FALSE;
8524   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8525   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8526   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8527   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8528   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8529   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8530   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8531   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8532   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8533   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8534   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8535   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8536   custom_element_change_events[custom_element_change.other_action] =
8537     custom_element_change_events[CE_BY_OTHER_ACTION];
8538
8539   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8540     SET_PROPERTY(element, i, custom_element_properties[i]);
8541
8542   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8543     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8544
8545   // copy change events also to special level editor variable
8546   custom_element = element_info[element];
8547   custom_element_change = *element_info[element].change;
8548
8549   // needed here to restore runtime value "element_info[element].gfx_element"
8550   InitElementPropertiesGfxElement();
8551 }
8552
8553 static void CopyGroupElementPropertiesToGame(int element)
8554 {
8555   // mark that this group element has been modified
8556   custom_element.modified_settings = TRUE;
8557   level.changed = TRUE;
8558
8559   if (level.use_custom_template)
8560     AskToCopyAndModifyLevelTemplate();
8561
8562   element_info[element] = custom_element;
8563   *element_info[element].group = group_element_info;
8564
8565   // needed here to restore runtime value "element_info[element].gfx_element"
8566   InitElementPropertiesGfxElement();
8567 }
8568
8569 static void CopyEmptyElementPropertiesToGame(int element)
8570 {
8571   // mark that this empty element has been modified
8572   custom_element.modified_settings = TRUE;
8573   level.changed = TRUE;
8574
8575   if (level.use_custom_template)
8576     AskToCopyAndModifyLevelTemplate();
8577
8578   element_info[element] = custom_element;
8579
8580   // needed here to restore runtime value "element_info[element].gfx_element"
8581   InitElementPropertiesGfxElement();
8582 }
8583
8584 static void CopyClassicElementPropertiesToGame(int element)
8585 {
8586   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8587     setMoveIntoAcidProperty(&level, element,
8588                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8589
8590   if (MAYBE_DONT_COLLIDE_WITH(element))
8591     setDontCollideWithProperty(&level, element,
8592                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8593 }
8594
8595 static void CopyElementPropertiesToGame(int element)
8596 {
8597   if (IS_CUSTOM_ELEMENT(element))
8598     CopyCustomElementPropertiesToGame(element);
8599   else if (IS_GROUP_ELEMENT(element))
8600     CopyGroupElementPropertiesToGame(element);
8601   else if (IS_EMPTY_ELEMENT(element))
8602     CopyEmptyElementPropertiesToGame(element);
8603   else
8604     CopyClassicElementPropertiesToGame(element);
8605 }
8606
8607 #if DEBUG
8608 static void CheckElementDescriptions(void)
8609 {
8610   int i;
8611
8612   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8613     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8614       Warn("no element description file for element '%s'", EL_NAME(i));
8615 }
8616 #endif
8617
8618 static int getMaxEdFieldX(boolean has_scrollbar)
8619 {
8620   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8621   int sxsize = SXSIZE - scrollbar_width;
8622   int max_ed_fieldx = sxsize / ed_tilesize;
8623
8624   return max_ed_fieldx;
8625 }
8626
8627 static int getMaxEdFieldY(boolean has_scrollbar)
8628 {
8629   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8630                          INFOTEXT_YSIZE_FULL : 0);
8631   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8632   int sysize = SYSIZE - scrollbar_height - infotext_height;
8633   int max_ed_fieldy = sysize / ed_tilesize;
8634
8635   return max_ed_fieldy;
8636 }
8637
8638 static void InitZoomLevelSettings(int zoom_tilesize)
8639 {
8640   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8641
8642   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8643   {
8644     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8645     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8646
8647     // make sure that tile size is always a power of 2
8648     ed_tilesize = (1 << log_2(ed_tilesize));
8649
8650     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8651     {
8652       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8653       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8654     }
8655   }
8656
8657   last_game_engine_type = level.game_engine_type;
8658
8659   // limit zoom tilesize by upper and lower bound
8660   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8661
8662   // store zoom tilesize in auto setup file only if it was manually changed
8663   if (zoom_tilesize != -1)
8664     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8665
8666   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8667   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8668 }
8669
8670 static void InitDrawingElements(void)
8671 {
8672   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8673
8674   if (level.game_engine_type == game_engine_type_last)
8675     return;
8676
8677   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8678   {
8679     new_element1 = EL_SP_CHIP_SINGLE;
8680     new_element2 = EL_EMPTY;
8681     new_element3 = EL_SP_BASE;
8682   }
8683   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8684   {
8685     new_element1 = EL_MM_MIRROR_START;
8686     new_element2 = EL_EMPTY;
8687     new_element3 = EL_MM_WOODEN_WALL;
8688   }
8689   else
8690   {
8691     new_element1 = EL_WALL;
8692     new_element2 = EL_EMPTY;
8693     new_element3 = EL_SAND;
8694   }
8695
8696   game_engine_type_last = level.game_engine_type;
8697 }
8698
8699 static void InitLevelSetInfo(void)
8700 {
8701   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8702            "%s", leveldir_current->name);
8703   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8704            "%s", leveldir_current->author);
8705
8706   levelset_num_levels = leveldir_current->levels;
8707
8708   levelset_use_levelset_artwork = FALSE;
8709   levelset_copy_level_template = FALSE;
8710
8711   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8712 }
8713
8714 static void ChangeEditorToLevelSet(char *levelset_subdir)
8715 {
8716   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8717
8718   // the previous level set might have used custom artwork
8719   ReloadCustomArtwork(0);
8720
8721   LoadLevelSetup_SeriesInfo();
8722
8723   SaveLevelSetup_LastSeries();
8724   SaveLevelSetup_SeriesInfo();
8725
8726   TapeErase();
8727
8728   LoadLevel(level_nr);
8729   LoadScore(level_nr);
8730
8731   DrawLevelEd();
8732 }
8733
8734 static boolean useEditorDoorAnimation(void)
8735 {
8736   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8737   boolean door_1_viewport_unchanged =
8738     (vp_door_1->x      == DX     &&
8739      vp_door_1->y      == DY     &&
8740      vp_door_1->width  == DXSIZE &&
8741      vp_door_1->height == DYSIZE);
8742   boolean door_1_contains_toolbox =
8743     (EX >= DX &&
8744      EY >= DY &&
8745      EX + EXSIZE <= DX + DXSIZE &&
8746      EY + EYSIZE <= DY + DYSIZE);
8747
8748   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8749 }
8750
8751 static void DrawEditorDoorBackground(int graphic, int x, int y,
8752                                      int width, int height)
8753 {
8754   struct GraphicInfo *g = &graphic_info[graphic];
8755
8756   if (g->bitmap != NULL)
8757     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8758                MIN(width, g->width), MIN(height, g->height), x, y);
8759   else
8760     ClearRectangle(drawto, x, y, width, height);
8761 }
8762
8763 static void DrawEditorDoorContent(void)
8764 {
8765   // needed for gadgets drawn on background (like palette scrollbar)
8766   SetDoorBackgroundImage(IMG_UNDEFINED);
8767
8768   // copy default editor door content to main double buffer
8769   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8770
8771   // draw bigger door
8772   DrawSpecialEditorDoor();
8773
8774   // draw new control window
8775   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8776
8777   // draw all toolbox gadgets to editor doors
8778   MapControlButtons();
8779
8780   // draw all palette gadgets to editor doors
8781   ModifyEditorElementList();
8782   RedrawDrawingElements();
8783
8784   // copy actual editor door content to door double buffer for OpenDoor()
8785   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8786 }
8787
8788 void DrawLevelEd(void)
8789 {
8790   int fade_mask = REDRAW_FIELD;
8791
8792   FadeSoundsAndMusic();
8793
8794   if (CheckFadeAll())
8795     fade_mask = REDRAW_ALL;
8796
8797   FadeOut(fade_mask);
8798
8799   // needed if different viewport properties defined for editor
8800   ChangeViewportPropertiesIfNeeded();
8801
8802   ClearField();
8803
8804   InitZoomLevelSettings(-1);
8805   InitDrawingElements();
8806   InitLevelSetInfo();
8807
8808 #if DEBUG
8809   CheckElementDescriptions();
8810 #endif
8811
8812   if (level_editor_test_game)
8813   {
8814     CopyPlayfield(level.field, Tile);
8815     CopyPlayfield(TileBackup, level.field);
8816
8817     level_editor_test_game = FALSE;
8818   }
8819   else
8820   {
8821     edit_mode = ED_MODE_DRAWING;
8822     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8823     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8824
8825     ResetUndoBuffer();
8826
8827     level_xpos = -1;
8828     level_ypos = -1;
8829   }
8830
8831   // redraw_mask |= REDRAW_ALL;
8832
8833   FreeLevelEditorGadgets();
8834   CreateLevelEditorGadgets();
8835
8836   ReinitializeElementList();            // update dynamic level element list
8837   ReinitializeElementListButtons();     // custom element may look different
8838
8839   InitElementPropertiesGfxElement();
8840
8841   UnmapAllGadgets();
8842
8843   DrawEditModeWindow_PlayfieldOnly();
8844
8845   DrawMaskedBorder(fade_mask);
8846
8847   // use door animation if door 1 viewport is unchanged and contains toolbox
8848   if (useEditorDoorAnimation())
8849   {
8850     FadeIn(fade_mask);
8851
8852     DrawEditorDoorContent();
8853
8854     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8855   }
8856   else
8857   {
8858     DrawEditorDoorContent();
8859
8860     FadeIn(fade_mask);
8861   }
8862
8863   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8864 }
8865
8866 static void AdjustDrawingAreaGadgets(void)
8867 {
8868   int ed_xsize = lev_fieldx + 2;
8869   int ed_ysize = lev_fieldy + 2;
8870   int max_ed_fieldx = MAX_ED_FIELDX;
8871   int max_ed_fieldy = MAX_ED_FIELDY;
8872   boolean horizontal_scrollbar_needed;
8873   boolean vertical_scrollbar_needed;
8874   int x, y, width, height;
8875
8876   if (suppressBorderElement())
8877   {
8878     ed_xsize = max_ed_fieldx;
8879     ed_ysize = max_ed_fieldy;
8880   }
8881
8882   // check if we need any scrollbars
8883   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8884   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8885
8886   // check if we have a smaller editor field because of scrollbars
8887   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8888   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8889
8890   // check again if we now need more scrollbars because of less space
8891   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8892   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8893
8894   // check if editor field gets even smaller after adding new scrollbars
8895   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8896   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8897
8898   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8899   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8900
8901   x = SX + ed_fieldx * ed_tilesize;
8902   y = SY + ed_fieldy * ed_tilesize;
8903
8904   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8905   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8906
8907   // adjust drawing area gadget
8908   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8909                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8910                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8911                GDI_END);
8912
8913   // adjust horizontal scrollbar gadgets
8914   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8915                GDI_Y, y,
8916                GDI_END);
8917   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8918                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8919                GDI_Y, y,
8920                GDI_END);
8921   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8922                GDI_Y, y,
8923                GDI_WIDTH, width,
8924                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8925                GDI_END);
8926
8927   // adjust vertical scrollbar gadgets
8928   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8929                GDI_X, x,
8930                GDI_END);
8931   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8932                GDI_X, x,
8933                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8934                GDI_END);
8935   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8936                GDI_X, x,
8937                GDI_HEIGHT, height,
8938                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8939                GDI_END);
8940 }
8941
8942 static void AdjustLevelScrollPosition(void)
8943 {
8944   if (level_xpos < -1)
8945     level_xpos = -1;
8946   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8947     level_xpos = lev_fieldx - ed_fieldx + 1;
8948   if (lev_fieldx < ed_fieldx - 2)
8949     level_xpos = -1;
8950
8951   if (level_ypos < -1)
8952     level_ypos = -1;
8953   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8954     level_ypos = lev_fieldy - ed_fieldy + 1;
8955   if (lev_fieldy < ed_fieldy - 2)
8956     level_ypos = -1;
8957
8958   if (suppressBorderElement())
8959   {
8960     level_xpos = 0;
8961     level_ypos = 0;
8962   }
8963 }
8964
8965 static void AdjustEditorScrollbar(int id)
8966 {
8967   struct GadgetInfo *gi = level_editor_gadget[id];
8968   int items_max, items_visible, item_position;
8969
8970   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8971   {
8972     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8973     items_visible = ed_fieldx;
8974     item_position = level_xpos + 1;
8975   }
8976   else
8977   {
8978     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8979     items_visible = ed_fieldy;
8980     item_position = level_ypos + 1;
8981   }
8982
8983   if (item_position > items_max - items_visible)
8984     item_position = items_max - items_visible;
8985
8986   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8987                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8988 }
8989
8990 static void AdjustElementListScrollbar(void)
8991 {
8992   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8993   int items_max, items_visible, item_position;
8994
8995   // correct position of element list scrollbar
8996   if (element_shift < 0)
8997     element_shift = 0;
8998   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8999     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9000
9001   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9002   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9003   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9004
9005   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9006                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9007                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9008 }
9009
9010 static void ModifyEditorCounterValue(int counter_id, int new_value)
9011 {
9012   int *counter_value = counterbutton_info[counter_id].value;
9013   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9014   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9015
9016   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9017
9018   if (counter_value != NULL)
9019     *counter_value = gi->textinput.number_value;
9020 }
9021
9022 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9023 {
9024   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9025   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9026
9027   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9028
9029   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9030       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9031   {
9032     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9033     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9034
9035     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9036     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9037                  GDI_END);
9038   }
9039 }
9040
9041 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9042 {
9043   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9044   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9045   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9046
9047   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9048 }
9049
9050 static void ModifyEditorSelectboxOptions(int selectbox_id,
9051                                          struct ValueTextInfo *options)
9052 {
9053   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9054   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9055
9056   selectbox_info[selectbox_id].options = options;
9057
9058   // set index to zero -- list may be shorter now (correct later, if needed)
9059   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9060                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9061 }
9062
9063 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9064 {
9065   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9066   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9067
9068   drawingarea_info[drawingarea_id].area_xsize = xsize;
9069   drawingarea_info[drawingarea_id].area_ysize = ysize;
9070
9071   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9072 }
9073
9074 static void ModifyEditorElementList(void)
9075 {
9076   int i;
9077
9078   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9079     return;
9080
9081   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9082   {
9083     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9084     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9085     struct GadgetDesign *gd = &gi->deco.design;
9086     int element = editor_elements[element_shift + i];
9087     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9088
9089     UnmapGadget(gi);
9090
9091     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9092
9093     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9094
9095     MapGadget(gi);
9096   }
9097 }
9098
9099 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9100 {
9101   int graphic = el2edimg(element);
9102   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9103
9104   if (pos->x == -1 &&
9105       pos->y == -1)
9106     return;
9107
9108   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9109 }
9110
9111 static void ModifyDrawingElementButton(int element, int id)
9112 {
9113   struct GadgetInfo *gi = level_editor_gadget[id];
9114   Bitmap *deco_bitmap;
9115   int deco_x, deco_y;
9116   int tile_size = gi->deco.width;
9117
9118   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9119
9120   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9121 }
9122
9123 static void PickDrawingElement(int button, int element)
9124 {
9125   struct
9126   {
9127     int *new_element;
9128     struct XYTileSize *pos;
9129     int id;
9130   } de, drawing_elements[] =
9131   {
9132     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9133     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9134     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9135   };
9136
9137   if (button < 1 || button > 3)
9138     return;
9139
9140   if (IS_MM_WALL(element))
9141     element = map_mm_wall_element(element);
9142
9143   de = drawing_elements[button - 1];
9144
9145   *de.new_element = element;    // update global drawing element variable
9146
9147   DrawDrawingElementGraphic(element, de.pos);
9148   ModifyDrawingElementButton(element, de.id);
9149
9150   redraw_mask |= REDRAW_DOOR_1;
9151 }
9152
9153 static void RedrawDrawingElements(void)
9154 {
9155   PickDrawingElement(1, new_element1);
9156   PickDrawingElement(2, new_element2);
9157   PickDrawingElement(3, new_element3);
9158 }
9159
9160 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9161 {
9162   stick_element_properties_window = FALSE;
9163
9164   SetMainBackgroundImage(IMG_UNDEFINED);
9165   ClearField();
9166
9167   UnmapLevelEditorFieldGadgets();
9168
9169   AdjustDrawingAreaGadgets();
9170   AdjustLevelScrollPosition();
9171   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9172   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9173
9174   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9175
9176   MapMainDrawingArea();
9177
9178   if (remap_toolbox_gadgets)
9179   {
9180     UnmapLevelEditorToolboxCustomGadgets();
9181     MapLevelEditorToolboxDrawingGadgets();
9182   }
9183 }
9184
9185 static void DrawDrawingWindow(void)
9186 {
9187   DrawDrawingWindowExt(TRUE);
9188 }
9189
9190 static int getTabulatorBarWidth(void)
9191 {
9192   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9193   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9194
9195   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9196 }
9197
9198 static int getTabulatorBarHeight(void)
9199 {
9200   return ED_TAB_BAR_HEIGHT;
9201 }
9202
9203 static Pixel getTabulatorBarColor(void)
9204 {
9205   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9206   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9207   int gd_x = gd->x + gd_gi1->border.width / 2;
9208   int gd_y = gd->y + gd_gi1->height - 1;
9209
9210   return GetPixel(gd->bitmap, gd_x, gd_y);
9211 }
9212
9213 static void DrawLevelInfoTabulatorGadgets(void)
9214 {
9215   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9216   Pixel tab_color = getTabulatorBarColor();
9217   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9218   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9219   int i;
9220
9221   for (i = id_first; i <= id_last; i++)
9222   {
9223     int gadget_id = textbutton_info[i].gadget_id;
9224     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9225     boolean active = (i != edit_mode_levelinfo);
9226
9227     // draw background line below tabulator button
9228     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9229
9230     // draw solid line below inactive tabulator buttons
9231     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9232       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9233                     ED_GADGET_TINY_DISTANCE, tab_color);
9234
9235     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9236     MapTextbuttonGadget(i);
9237   }
9238
9239   // draw little border line below tabulator buttons
9240   if (tab_color != BLACK_PIXEL)                 // black => transparent
9241     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9242                   ED_GADGET_TINY_DISTANCE,
9243                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9244 }
9245
9246 static void DrawPropertiesTabulatorGadgets(void)
9247 {
9248   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9249   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9250   int gd_x = gd->x + gd_gi1->border.width / 2;
9251   int gd_y = gd->y + gd_gi1->height - 1;
9252   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9253   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9254   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9255   int i;
9256
9257   // draw two config tabulators for player elements
9258   if (IS_PLAYER_ELEMENT(properties_element))
9259     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9260
9261   // draw two config and one "change" tabulator for custom elements
9262   if (IS_CUSTOM_ELEMENT(properties_element))
9263     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9264
9265   for (i = id_first; i <= id_last; i++)
9266   {
9267     int gadget_id = textbutton_info[i].gadget_id;
9268     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9269     boolean active = (i != edit_mode_properties);
9270
9271     // use "config 1" and "config 2" instead of "config" for players and CEs
9272     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9273         (IS_PLAYER_ELEMENT(properties_element) ||
9274          IS_CUSTOM_ELEMENT(properties_element)))
9275       continue;
9276
9277     // draw background line below tabulator button
9278     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9279
9280     // draw solid line below inactive tabulator buttons
9281     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9282       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9283                     ED_GADGET_TINY_DISTANCE, tab_color);
9284
9285     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9286     MapTextbuttonGadget(i);
9287   }
9288
9289   // draw little border line below tabulator buttons
9290   if (tab_color != BLACK_PIXEL)                 // black => transparent
9291     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9292                   ED_GADGET_TINY_DISTANCE,
9293                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9294 }
9295
9296 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9297 {
9298   DrawText(SX + xpos, SY + ypos, text, font_nr);
9299 }
9300
9301 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9302                                            int xpos, int ypos)
9303 {
9304   int font_width = getFontWidth(font_nr);
9305   int font_height = getFontHeight(font_nr);
9306   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9307   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9308
9309   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9310                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9311                       TRUE, FALSE, FALSE);
9312 }
9313
9314 static void DrawLevelInfoLevel(void)
9315 {
9316   int i;
9317
9318   // draw counter gadgets
9319   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9320     MapCounterButtons(i);
9321
9322   // draw checkbutton gadgets
9323   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9324     MapCheckbuttonGadget(i);
9325
9326   // draw selectbox gadgets
9327   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9328     MapSelectboxGadget(i);
9329
9330   // draw text input gadgets
9331   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9332     MapTextInputGadget(i);
9333 }
9334
9335 static char *getLevelSubdirFromSaveMode(int save_mode)
9336 {
9337   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9338     return getNewUserLevelSubdir();
9339
9340   return leveldir_current->subdir;
9341 }
9342
9343 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9344 {
9345   char *directory_text = "Level set directory:";
9346   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9347   int font1_nr = FONT_TEXT_1;
9348   int font2_nr = FONT_TEXT_2;
9349   int font1_height = getFontHeight(font1_nr);
9350   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9351   int x = ED_LEVEL_SETTINGS_X(0);
9352   int y = ED_LEVEL_SETTINGS_Y(6);
9353
9354   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9355   PrintInfoText(directory_name, font2_nr, x, y);
9356 }
9357
9358 static void DrawLevelInfoLevelSet(void)
9359 {
9360   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9361   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9362   int i;
9363
9364   // draw counter gadgets
9365   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9366     MapCounterButtons(i);
9367
9368   // draw checkbutton gadgets
9369   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9370   {
9371     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9372         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9373         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9374       continue;
9375
9376     MapCheckbuttonGadget(i);
9377   }
9378
9379   // draw selectbox gadgets
9380   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9381     MapSelectboxGadget(i);
9382
9383   // draw text input gadgets
9384   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9385     MapTextInputGadget(i);
9386
9387   // draw textbutton gadgets
9388   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9389
9390   // draw info text
9391   DrawLevelInfoLevelSet_DirectoryInfo();
9392 }
9393
9394 static void DrawLevelInfoEditor(void)
9395 {
9396   int i;
9397
9398   // draw counter gadgets
9399   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9400     MapCounterButtons(i);
9401
9402   // draw checkbutton gadgets
9403   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9404     MapCheckbuttonGadget(i);
9405
9406   // draw radiobutton gadgets
9407   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9408     MapRadiobuttonGadget(i);
9409
9410   // draw drawing area
9411   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9412
9413   // draw textbutton gadgets
9414   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9415 }
9416
9417 static void DrawLevelInfoWindow(void)
9418 {
9419   char *text = "Global Settings";
9420   int font_nr = FONT_TITLE_1;
9421   struct MenuPosInfo *pos = &editor.settings.headline;
9422   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9423   int sy = SY + pos->y;
9424
9425   stick_element_properties_window = FALSE;
9426
9427   SetAutomaticNumberOfGemsNeeded();
9428
9429   UnmapLevelEditorFieldGadgets();
9430
9431   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9432   ClearField();
9433
9434   DrawText(sx, sy, text, font_nr);
9435
9436   DrawLevelInfoTabulatorGadgets();
9437
9438   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9439     DrawLevelInfoLevel();
9440   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9441     DrawLevelInfoLevelSet();
9442   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9443     DrawLevelInfoEditor();
9444 }
9445
9446 static void DrawCustomContentArea(void)
9447 {
9448   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9449   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9450   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9451   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9452   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9453   int xoffset = ED_GADGET_SPACE_DISTANCE;
9454
9455   // add distance for potential left text (without drawing area border)
9456   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9457
9458   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9459
9460   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9461 }
9462
9463 static void DrawCustomChangeContentArea(void)
9464 {
9465   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9466   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9467   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9468   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9469   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9470   int xoffset = ED_GADGET_SPACE_DISTANCE;
9471
9472   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9473
9474   MapDrawingArea(id);
9475 }
9476
9477 static void RemoveElementContentArea(int id, int font_height)
9478 {
9479   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9480
9481   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9482                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9483                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9484                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9485                  ED_GADGET_TEXT_DISTANCE + font_height);
9486 }
9487
9488 static void DrawYamYamContentAreas(void)
9489 {
9490   int font_nr = FONT_TEXT_1;
9491   int font_height = getFontHeight(font_nr);
9492   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9493   int yoffset = (tilesize - font_height) / 2;
9494   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9495   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9496   int i;
9497
9498   // display counter to choose number of element content areas
9499   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9500
9501   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9502   {
9503     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9504
9505     if (i < level.num_yamyam_contents)
9506     {
9507       MapDrawingArea(id);
9508     }
9509     else
9510     {
9511       UnmapDrawingArea(id);
9512
9513       // delete content areas in case of reducing number of them
9514       RemoveElementContentArea(id, font_height);
9515     }
9516   }
9517
9518   DrawText(x, y + 0 * tilesize, "content", font_nr);
9519   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9520   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9521 }
9522
9523 static void DrawMagicBallContentAreas(void)
9524 {
9525   int font_nr = FONT_TEXT_1;
9526   int font_height = getFontHeight(font_nr);
9527   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9528   int yoffset = (tilesize - font_height) / 2;
9529   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9530   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9531   int i;
9532
9533   // display counter to choose number of element content areas
9534   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9535
9536   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9537   {
9538     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9539
9540     if (i < level.num_ball_contents)
9541     {
9542       MapDrawingArea(id);
9543     }
9544     else
9545     {
9546       UnmapDrawingArea(id);
9547
9548       // delete content areas in case of reducing number of them
9549       RemoveElementContentArea(id, font_height);
9550     }
9551   }
9552
9553   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9554   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9555   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9556 }
9557
9558 static void DrawAndroidElementArea(void)
9559 {
9560   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9561   int num_elements = level.num_android_clone_elements;
9562   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9563   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9564   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9565   int xsize = MAX_ANDROID_ELEMENTS;
9566   int ysize = 1;
9567
9568   // display counter to choose number of element areas
9569   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9570
9571   if (drawingarea_info[id].text_left != NULL)
9572     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9573
9574   UnmapDrawingArea(id);
9575
9576   ModifyEditorDrawingArea(id, num_elements, 1);
9577
9578   // delete content areas in case of reducing number of them
9579   DrawBackground(sx, sy,
9580                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9581                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9582
9583   MapDrawingArea(id);
9584 }
9585
9586 static void DrawGroupElementArea(void)
9587 {
9588   int id = ED_DRAWING_ID_GROUP_CONTENT;
9589   int num_elements = group_element_info.num_elements;
9590   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9591   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9592   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9593   int xsize = MAX_ELEMENTS_IN_GROUP;
9594   int ysize = 1;
9595
9596   if (drawingarea_info[id].text_left != NULL)
9597     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9598
9599   UnmapDrawingArea(id);
9600
9601   ModifyEditorDrawingArea(id, num_elements, 1);
9602
9603   // delete content areas in case of reducing number of them
9604   DrawBackground(sx, sy,
9605                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9606                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9607
9608   MapDrawingArea(id);
9609 }
9610
9611 static void DrawPlayerInitialInventoryArea(int element)
9612 {
9613   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9614   int player_nr = GET_PLAYER_NR(element);
9615   int num_elements = level.initial_inventory_size[player_nr];
9616   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9617   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9618   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9619   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9620   int ysize = 1;
9621
9622   // determine horizontal position to the right of specified gadget
9623   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9624     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9625           ED_DRAWINGAREA_TEXT_DISTANCE);
9626
9627   // determine horizontal offset for leading text
9628   if (drawingarea_info[id].text_left != NULL)
9629     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9630
9631   UnmapDrawingArea(id);
9632
9633   ModifyEditorDrawingArea(id, num_elements, 1);
9634
9635   // delete content areas in case of reducing number of them
9636   DrawBackground(sx, sy,
9637                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9638                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9639
9640   MapDrawingArea(id);
9641 }
9642
9643 static void DrawMMBallContentArea(void)
9644 {
9645   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
9646   int num_elements = level.num_mm_ball_contents;
9647   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9648   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9649   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9650   int xsize = MAX_MM_BALL_CONTENTS;
9651   int ysize = 1;
9652
9653   if (drawingarea_info[id].text_left != NULL)
9654     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9655
9656   UnmapDrawingArea(id);
9657
9658   ModifyEditorDrawingArea(id, num_elements, 1);
9659
9660   // delete content areas in case of reducing number of them
9661   DrawBackground(sx, sy,
9662                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9663                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9664
9665   MapDrawingArea(id);
9666 }
9667
9668 static void DrawEnvelopeTextArea(int envelope_nr)
9669 {
9670   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9671   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9672
9673   UnmapGadget(gi);
9674
9675   DrawBackground(gi->x, gi->y,
9676                  gi->textarea.crop_width, gi->textarea.crop_height);
9677
9678   if (envelope_nr != -1)
9679     textarea_info[id].value = level.envelope[envelope_nr].text;
9680
9681   ModifyGadget(gi, GDI_AREA_SIZE,
9682                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9683                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9684                GDI_END);
9685
9686   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9687 }
9688
9689 static void DrawPropertiesInfo(void)
9690 {
9691   static struct
9692   {
9693     int value;
9694     char *text;
9695   }
9696   properties[] =
9697   {
9698     // configurable properties
9699
9700     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9701     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9702     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9703     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9704     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9705     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9706     { EP_PROTECTED,             "- player is protected by it"           },
9707
9708     { EP_DIGGABLE,              "- can be digged away"                  },
9709     { EP_COLLECTIBLE,           "- can be collected"                    },
9710     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9711     { EP_THROWABLE,             "- can be thrown after collecting"      },
9712     { EP_PUSHABLE,              "- can be pushed"                       },
9713
9714     { EP_CAN_FALL,              "- can fall"                            },
9715     { EP_CAN_MOVE,              "- can move"                            },
9716
9717     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9718 #if 0
9719     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9720 #endif
9721     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9722
9723     { EP_SLIPPERY,              "- slippery for falling elements"       },
9724     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9725
9726     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9727     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9728     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9729     { EP_DONT_TOUCH,            "- deadly when touching"                },
9730
9731     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9732
9733     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9734     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9735     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9736
9737     { EP_CAN_CHANGE,            "- can change to other element"         },
9738
9739     // pre-defined properties
9740     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9741     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9742     { EP_SWITCHABLE,            "- can be switched"                     },
9743 #if 0
9744     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9745 #endif
9746
9747     { -1,                       NULL                                    }
9748   };
9749   char *filename = getElementDescriptionFilename(properties_element);
9750   char *num_elements_text = "In this level: ";
9751   char *num_similar_text = "Similar tiles: ";
9752   char *properties_text = "Standard properties: ";
9753   char *description_text = "Description:";
9754   char *no_description_text = "No description available.";
9755   char *none_text = "None";
9756   float percentage;
9757   int num_elements_in_level;
9758   int num_similar_in_level;
9759   int num_standard_properties = 0;
9760   int font1_nr = FONT_TEXT_1;
9761   int font2_nr = FONT_TEXT_2;
9762   int font1_width = getFontWidth(font1_nr);
9763   int font1_height = getFontHeight(font1_nr);
9764   int font2_height = getFontHeight(font2_nr);
9765   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9766   int font2_yoffset = (font1_height - font2_height) / 2;
9767   int num_elements_text_len = strlen(num_elements_text) * font1_width;
9768   int num_similar_text_len = strlen(num_similar_text) * font1_width;
9769   int properties_text_len = strlen(properties_text) * font1_width;
9770   int xpos = ED_ELEMENT_SETTINGS_X(0);
9771   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9772   int i, x, y;
9773
9774   if (setup.editor.show_element_token)
9775   {
9776     int font3_nr = FONT_TEXT_3;
9777     int font3_height = getFontHeight(font3_nr);
9778
9779     DrawTextF(xpos, ypos, font3_nr,
9780               "[%s]", element_info[properties_element].token_name);
9781
9782     ypos += 2 * font3_height;
9783   }
9784
9785   // ----- print number of elements / percentage of this element in level
9786
9787   num_elements_in_level = 0;
9788   for (y = 0; y < lev_fieldy; y++)
9789     for (x = 0; x < lev_fieldx; x++)
9790       if (Tile[x][y] == properties_element)
9791         num_elements_in_level++;
9792   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9793
9794   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
9795
9796   if (num_elements_in_level > 0)
9797     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
9798               "%d (%.2f %%)", num_elements_in_level, percentage);
9799   else
9800     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
9801               none_text);
9802
9803   // ----- print number of similar elements / percentage of them in level
9804
9805   num_similar_in_level = 0;
9806   for (y = 0; y < lev_fieldy; y++)
9807     for (x = 0; x < lev_fieldx; x++)
9808       if (strEqual(element_info[Tile[x][y]].class_name,
9809                    element_info[properties_element].class_name))
9810         num_similar_in_level++;
9811
9812   if (num_similar_in_level != num_elements_in_level)
9813   {
9814     ypos += 1 * MAX(font1_height, font2_height);
9815
9816     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9817
9818     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
9819
9820     if (num_similar_in_level > 0)
9821       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
9822                 "%d (%.2f %%)", num_similar_in_level, percentage);
9823     else
9824       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
9825                 none_text);
9826   }
9827
9828   ypos += 2 * MAX(font1_height, font2_height);
9829
9830   // ----- print standard properties of this element
9831
9832   DrawTextS(xpos, ypos, font1_nr, properties_text);
9833
9834   ypos += line1_height;
9835
9836   for (i = 0; properties[i].value != -1; i++)
9837   {
9838     if (!HAS_PROPERTY(properties_element, properties[i].value))
9839       continue;
9840
9841     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9842
9843     ypos += font2_height;
9844
9845     num_standard_properties++;
9846   }
9847
9848   if (num_standard_properties == 0)
9849   {
9850     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9851               font2_nr, none_text);
9852
9853     ypos -= (line1_height - font1_height);
9854   }
9855
9856   ypos += MAX(font1_height, font2_height);
9857
9858   // ----- print special description of this element
9859
9860   PrintInfoText(description_text, font1_nr, xpos, ypos);
9861
9862   ypos += line1_height;
9863
9864   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9865     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9866 }
9867
9868 #define TEXT_COLLECTING         "Score for collecting"
9869 #define TEXT_SMASHING           "Score for smashing"
9870 #define TEXT_SLURPING           "Score for slurping robot"
9871 #define TEXT_CRACKING           "Score for cracking"
9872 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9873 #define TEXT_DURATION           "Duration when activated"
9874 #define TEXT_DELAY_ON           "Delay before activating"
9875 #define TEXT_DELAY_OFF          "Delay before deactivating"
9876 #define TEXT_DELAY_CHANGING     "Delay before changing"
9877 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9878 #define TEXT_DELAY_MOVING       "Delay before moving"
9879 #define TEXT_BALL_DELAY         "Element generation delay"
9880 #define TEXT_MOVE_SPEED         "Speed of android moving"
9881 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9882 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9883 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9884 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9885 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9886 #define TEXT_TIME_BONUS         "Extra time to solve level"
9887
9888 static struct
9889 {
9890   int element;
9891   int *value;
9892   char *text;
9893 } elements_with_counter[] =
9894 {
9895   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9896   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9897   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9898   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9899   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9900   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9901   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9902   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9903   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9904   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9905   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9906   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9907   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9908   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9909   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9910   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9911   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9912   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9913   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9914   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9915   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9916   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9917   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9918   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9919   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9920   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9921   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9922   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9923   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9924   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9925   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9926   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9927   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9928   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9929   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9930   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9931   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9932   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9933   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9934   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9935   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9936   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9937   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9938   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9939   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9940   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9941   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9942   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9943   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9944   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9945   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9946   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9947   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9948   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9949   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9950   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9951   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9952   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9953   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9954   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9955   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9956   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9957   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9958   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9959   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9960   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9961   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9962   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9963   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9964   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9965   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9966   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9967   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9968   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9969   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9970   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9971   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9972   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9973   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9974   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9975   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9976   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9977   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9978
9979   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9980   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9981   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9982   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9983   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9984   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9985   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9986   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9987   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9988   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9989   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9990   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9991   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9992   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9993   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9994   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9995
9996   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9997   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9998   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9999   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
10000   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
10001   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
10002   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
10003   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
10004   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
10005   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
10006   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
10007   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
10008   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_CHANGING },
10009   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
10010   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
10011
10012   { -1,                 NULL,                           NULL            }
10013 };
10014
10015 static boolean checkPropertiesConfig(int element)
10016 {
10017   int i;
10018
10019   if (IS_GEM(element) ||
10020       IS_CUSTOM_ELEMENT(element) ||
10021       IS_GROUP_ELEMENT(element) ||
10022       IS_EMPTY_ELEMENT(element) ||
10023       IS_BALLOON_ELEMENT(element) ||
10024       IS_ENVELOPE(element) ||
10025       IS_MM_ENVELOPE(element) ||
10026       IS_MM_MCDUFFIN(element) ||
10027       IS_DF_LASER(element) ||
10028       IS_PLAYER_ELEMENT(element) ||
10029       HAS_EDITOR_CONTENT(element) ||
10030       CAN_GROW(element) ||
10031       COULD_MOVE_INTO_ACID(element) ||
10032       MAYBE_DONT_COLLIDE_WITH(element) ||
10033       element == EL_SOKOBAN_OBJECT ||
10034       element == EL_SOKOBAN_FIELD_EMPTY ||
10035       element == EL_SOKOBAN_FIELD_FULL)
10036     return TRUE;
10037   else
10038     for (i = 0; elements_with_counter[i].element != -1; i++)
10039       if (elements_with_counter[i].element == element)
10040         return TRUE;
10041
10042   return FALSE;
10043 }
10044
10045 static void SetAutomaticNumberOfGemsNeeded(void)
10046 {
10047   int x, y;
10048
10049   if (!level.auto_count_gems)
10050     return;
10051
10052   level.gems_needed = 0;
10053
10054   for (x = 0; x < lev_fieldx; x++)
10055   {
10056     for (y = 0; y < lev_fieldy; y++)
10057     {
10058       int element = Tile[x][y];
10059
10060       switch (element)
10061       {
10062         case EL_EMERALD:
10063         case EL_EMERALD_YELLOW:
10064         case EL_EMERALD_RED:
10065         case EL_EMERALD_PURPLE:
10066         case EL_BD_DIAMOND:
10067         case EL_WALL_EMERALD:
10068         case EL_WALL_EMERALD_YELLOW:
10069         case EL_WALL_EMERALD_RED:
10070         case EL_WALL_EMERALD_PURPLE:
10071         case EL_WALL_BD_DIAMOND:
10072         case EL_NUT:
10073         case EL_SP_INFOTRON:
10074         case EL_MM_KETTLE:
10075         case EL_DF_CELL:
10076           level.gems_needed++;
10077           break;
10078
10079         case EL_DIAMOND:
10080         case EL_WALL_DIAMOND:
10081           level.gems_needed += 3;
10082           break;
10083
10084         case EL_PEARL:
10085         case EL_WALL_PEARL:
10086           level.gems_needed += 5;
10087           break;
10088
10089         case EL_CRYSTAL:
10090         case EL_WALL_CRYSTAL:
10091           level.gems_needed += 8;
10092           break;
10093
10094         default:
10095           break;
10096       }
10097     }
10098   }
10099
10100   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10101 }
10102
10103 static void DrawPropertiesConfig(void)
10104 {
10105   boolean draw_footer_line = FALSE;
10106   int max_num_element_counters = 4;
10107   int num_element_counters = 0;
10108   int i;
10109
10110   if (!checkPropertiesConfig(properties_element))
10111   {
10112     int xpos = ED_ELEMENT_SETTINGS_X(0);
10113     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10114
10115     PrintInfoText("No configuration options available.",
10116                   FONT_TEXT_1, xpos, ypos);
10117
10118     return;
10119   }
10120
10121   // check if there are elements where a value can be chosen for
10122   for (i = 0; elements_with_counter[i].element != -1; i++)
10123   {
10124     if (elements_with_counter[i].element == properties_element)
10125     {
10126       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10127
10128       counterbutton_info[counter_id].y =
10129         ED_ELEMENT_SETTINGS_YPOS(
10130                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10131                 (CAN_GROW(properties_element)                ? 1 : 0) +
10132                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10133                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10134                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10135                 num_element_counters);
10136
10137       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10138       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
10139
10140       if (properties_element == EL_GAME_OF_LIFE ||
10141           properties_element == EL_BIOMAZE)
10142       {
10143         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10144         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10145       }
10146       else
10147       {
10148         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10149         counterbutton_info[counter_id].min_value = MIN_SCORE;
10150         counterbutton_info[counter_id].max_value = MAX_SCORE;
10151       }
10152
10153       MapCounterButtons(counter_id);
10154
10155       num_element_counters++;
10156       if (num_element_counters >= max_num_element_counters)
10157         break;
10158     }
10159   }
10160
10161   if (HAS_EDITOR_CONTENT(properties_element))
10162   {
10163     // draw stickybutton gadget
10164     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10165
10166     if (IS_AMOEBOID(properties_element))
10167       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10168     else if (properties_element == EL_YAMYAM ||
10169              properties_element == EL_YAMYAM_LEFT ||
10170              properties_element == EL_YAMYAM_RIGHT ||
10171              properties_element == EL_YAMYAM_UP ||
10172              properties_element == EL_YAMYAM_DOWN)
10173       DrawYamYamContentAreas();
10174     else if (properties_element == EL_EMC_MAGIC_BALL)
10175     {
10176       DrawMagicBallContentAreas();
10177
10178       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10179       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10180     }
10181     else if (properties_element == EL_EMC_ANDROID)
10182       DrawAndroidElementArea();
10183     else if (properties_element == EL_MM_GRAY_BALL)
10184     {
10185       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10186       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10187       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10188       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10189
10190       DrawMMBallContentArea();
10191     }
10192   }
10193
10194   if (IS_PLAYER_ELEMENT(properties_element))
10195   {
10196     int player_nr = GET_PLAYER_NR(properties_element);
10197
10198     // these properties can be set for every player individually
10199
10200     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10201     {
10202       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10203         &level.start_element[player_nr];
10204       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10205         &level.artwork_element[player_nr];
10206       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10207         &level.explosion_element[player_nr];
10208
10209       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10210         &level.use_start_element[player_nr];
10211       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10212         &level.use_artwork_element[player_nr];
10213       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10214         &level.use_explosion_element[player_nr];
10215       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10216         &level.initial_player_gravity[player_nr];
10217
10218       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10219         &level.initial_player_stepsize[player_nr];
10220
10221       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10222       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10223                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10224                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10225       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10226       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10227       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10228       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10229       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10230       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10231       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10232       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10233       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10234       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10235       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10236
10237       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10238       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10239       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10240
10241       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10242     }
10243     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10244     {
10245       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10246         &level.initial_inventory_content[player_nr][0];
10247
10248       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10249         &level.initial_inventory_size[player_nr];
10250
10251       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10252         &level.use_initial_inventory[player_nr];
10253
10254       // draw checkbutton gadgets
10255       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10256       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10257       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10258
10259       // draw counter gadgets
10260       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10261
10262       // draw drawing area gadgets
10263       DrawPlayerInitialInventoryArea(properties_element);
10264     }
10265   }
10266
10267   if (IS_GEM(properties_element))
10268     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10269
10270   if (properties_element == EL_EM_DYNAMITE)
10271     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10272
10273   if (COULD_MOVE_INTO_ACID(properties_element) &&
10274       !IS_PLAYER_ELEMENT(properties_element) &&
10275       (!IS_CUSTOM_ELEMENT(properties_element) ||
10276        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10277   {
10278     // set position for checkbutton for "can move into acid"
10279     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10280       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10281     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10282       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10283                                IS_BALLOON_ELEMENT(properties_element) ||
10284                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10285
10286     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10287   }
10288
10289   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10290     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10291
10292   if (properties_element == EL_SPRING ||
10293       properties_element == EL_SPRING_LEFT ||
10294       properties_element == EL_SPRING_RIGHT)
10295     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10296
10297   if (properties_element == EL_TIME_ORB_FULL)
10298     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10299
10300   if (properties_element == EL_GAME_OF_LIFE ||
10301       properties_element == EL_BIOMAZE)
10302     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10303
10304   if (CAN_GROW(properties_element))
10305   {
10306     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10307       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10308
10309     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10310   }
10311
10312   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10313     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10314
10315   if (properties_element == EL_SOKOBAN_OBJECT)
10316     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10317
10318   if (properties_element == EL_SOKOBAN_OBJECT ||
10319       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10320       properties_element == EL_SOKOBAN_FIELD_FULL)
10321   {
10322     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10323       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10324                                0 : 1);
10325
10326     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10327   }
10328
10329   if (IS_BALLOON_ELEMENT(properties_element))
10330     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10331
10332   if (IS_ENVELOPE(properties_element) ||
10333       IS_MM_ENVELOPE(properties_element))
10334   {
10335     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10336     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10337     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10338     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10339     int envelope_nr = ENVELOPE_NR(properties_element);
10340
10341     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10342     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10343
10344     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10345     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10346
10347     // display counter to choose size of envelope text area
10348     MapCounterButtons(counter1_id);
10349     MapCounterButtons(counter2_id);
10350
10351     // display checkbuttons to choose auto-wrap and alignment properties
10352     MapCheckbuttonGadget(button1_id);
10353     MapCheckbuttonGadget(button2_id);
10354
10355     DrawEnvelopeTextArea(envelope_nr);
10356   }
10357
10358   if (IS_MM_MCDUFFIN(properties_element))
10359   {
10360     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10361     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10362     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10363   }
10364
10365   if (IS_DF_LASER(properties_element))
10366   {
10367     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10368     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10369     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10370   }
10371
10372   if (IS_CUSTOM_ELEMENT(properties_element))
10373   {
10374     // draw stickybutton gadget
10375     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10376
10377     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10378     {
10379       // draw checkbutton gadgets
10380       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10381            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10382         MapCheckbuttonGadget(i);
10383
10384       // draw counter gadgets
10385       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10386            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10387         MapCounterButtons(i);
10388
10389       // draw selectbox gadgets
10390       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10391            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10392         MapSelectboxGadget(i);
10393
10394       // draw textbutton gadgets
10395       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10396
10397       // draw text input gadgets
10398       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10399
10400       // draw drawing area gadgets
10401       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10402
10403       draw_footer_line = TRUE;
10404     }
10405     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10406     {
10407       // draw checkbutton gadgets
10408       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10409            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10410         MapCheckbuttonGadget(i);
10411
10412       // draw counter gadgets
10413       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10414            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10415         MapCounterButtons(i);
10416
10417       // draw selectbox gadgets
10418       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10419            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10420         MapSelectboxGadget(i);
10421
10422       // draw drawing area gadgets
10423       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10424       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10425       DrawCustomContentArea();
10426     }
10427   }
10428   else if (IS_GROUP_ELEMENT(properties_element))
10429   {
10430     // draw stickybutton gadget
10431     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10432
10433     // draw checkbutton gadgets
10434     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10435     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10436
10437     // draw counter gadgets
10438     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10439
10440     // draw selectbox gadgets
10441     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10442
10443     // draw textbutton gadgets
10444     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10445
10446     // draw drawing area gadgets
10447     DrawGroupElementArea();
10448
10449     // draw text input gadgets
10450     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10451
10452     // draw drawing area gadgets
10453     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10454
10455     draw_footer_line = TRUE;
10456   }
10457   else if (IS_EMPTY_ELEMENT(properties_element))
10458   {
10459     // draw stickybutton gadget
10460     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10461
10462     // draw checkbutton gadgets
10463     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10464     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10465
10466     // draw textbutton gadgets
10467     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10468
10469     // draw drawing area gadgets
10470     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10471
10472     draw_footer_line = TRUE;
10473   }
10474
10475   // draw little footer border line above CE/GE use/save template gadgets
10476   if (draw_footer_line)
10477   {
10478     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10479     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10480     int gd_x = gd->x + gd_gi1->border.width / 2;
10481     int gd_y = gd->y + gd_gi1->height - 1;
10482     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10483
10484     if (tab_color != BLACK_PIXEL)               // black => transparent
10485       FillRectangle(drawto,
10486                     SX + ED_ELEMENT_SETTINGS_X(0),
10487                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10488                     ED_TAB_BAR_HEIGHT,
10489                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10490   }
10491 }
10492
10493 static void DrawPropertiesChangeDrawingAreas(void)
10494 {
10495   if (IS_CUSTOM_ELEMENT(properties_element))
10496   {
10497     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10498     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10499     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10500
10501     DrawCustomChangeContentArea();
10502   }
10503
10504   redraw_mask |= REDRAW_FIELD;
10505 }
10506
10507 static void DrawPropertiesChange(void)
10508 {
10509   int i;
10510
10511   // needed to initially set selectbox options for special action options
10512   setSelectboxSpecialActionOptions();
10513
10514   // draw stickybutton gadget
10515   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10516
10517   // draw checkbutton gadgets
10518   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10519        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10520     MapCheckbuttonGadget(i);
10521
10522   // draw counter gadgets
10523   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10524        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10525     MapCounterButtons(i);
10526
10527   // draw selectbox gadgets
10528   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10529        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10530     MapSelectboxGadget(i);
10531
10532   // draw textbutton gadgets
10533   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10534        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10535     MapTextbuttonGadget(i);
10536
10537   // draw graphicbutton gadgets
10538   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10539        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10540     MapGraphicbuttonGadget(i);
10541
10542   // draw drawing area gadgets
10543   DrawPropertiesChangeDrawingAreas();
10544 }
10545
10546 static void DrawEditorElementAnimation(int x, int y)
10547 {
10548   int graphic = el2img(properties_element);
10549   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10550                custom_element.ce_value_fixed_initial :
10551                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10552                custom_element.collect_score_initial : FrameCounter);
10553
10554   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10555 }
10556
10557 static void DrawEditorElementName(int x, int y, int font_nr)
10558 {
10559   char *element_name = getElementInfoText(properties_element);
10560   int font_width = getFontWidth(font_nr);
10561   int font_height = getFontHeight(font_nr);
10562   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10563   int max_chars_per_line = max_text_width / font_width;
10564
10565   if (strlen(element_name) <= max_chars_per_line)
10566     DrawTextS(x, y, font_nr, element_name);
10567   else
10568   {
10569     char buffer[max_chars_per_line + 1];
10570     int next_pos = max_chars_per_line;
10571
10572     strncpy(buffer, element_name, max_chars_per_line);
10573     buffer[max_chars_per_line] = '\0';
10574
10575     if (element_name[max_chars_per_line] == ' ')
10576       next_pos++;
10577     else
10578     {
10579       int i;
10580
10581       for (i = max_chars_per_line - 1; i >= 0; i--)
10582         if (buffer[i] == ' ')
10583           break;
10584
10585       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10586       {
10587         buffer[i] = '\0';
10588         next_pos = i + 1;
10589       }
10590     }
10591
10592     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10593
10594     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10595     buffer[max_chars_per_line] = '\0';
10596
10597     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10598   }
10599 }
10600
10601 static void DrawPropertiesWindow(void)
10602 {
10603   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10604   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10605   int border_size = gd->border_size;
10606   int font_nr = FONT_TEXT_1;
10607   int font_height = getFontHeight(font_nr);
10608   int xoffset = TILEX + element_border + 3 * border_size;
10609   int yoffset = (TILEY - font_height) / 2;
10610   int x1 = editor.settings.element_graphic.x + element_border;
10611   int y1 = editor.settings.element_graphic.y + element_border;
10612   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10613             editor.settings.element_name.x);
10614   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10615             editor.settings.element_name.y);
10616   char *text = "Element Settings";
10617   int font2_nr = FONT_TITLE_1;
10618   struct MenuPosInfo *pos = &editor.settings.headline;
10619   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10620   int sy = SY + pos->y;
10621
10622   stick_element_properties_window = FALSE;
10623
10624   // make sure that previous properties edit mode exists for this element
10625   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10626       !IS_CUSTOM_ELEMENT(properties_element))
10627     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10628
10629   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10630       !IS_PLAYER_ELEMENT(properties_element) &&
10631       !IS_CUSTOM_ELEMENT(properties_element))
10632     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10633
10634   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10635       (IS_PLAYER_ELEMENT(properties_element) ||
10636        IS_CUSTOM_ELEMENT(properties_element)))
10637     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10638
10639   CopyElementPropertiesToEditor(properties_element);
10640
10641   UnmapLevelEditorFieldGadgets();
10642   UnmapLevelEditorToolboxDrawingGadgets();
10643   UnmapLevelEditorToolboxCustomGadgets();
10644
10645   if (IS_CUSTOM_ELEMENT(properties_element) ||
10646       IS_GROUP_ELEMENT(properties_element))
10647     MapLevelEditorToolboxCustomGadgets();
10648
10649   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10650   ClearField();
10651
10652   DrawText(sx, sy, text, font2_nr);
10653
10654   FrameCounter = 0;     // restart animation frame counter
10655
10656   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10657   DrawEditorElementAnimation(SX + x1, SY + y1);
10658   DrawEditorElementName(x2, y2, font_nr);
10659
10660   DrawPropertiesTabulatorGadgets();
10661
10662   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10663     DrawPropertiesInfo();
10664   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10665     DrawPropertiesChange();
10666   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10667     DrawPropertiesConfig();
10668 }
10669
10670 static void DrawPaletteWindow(void)
10671 {
10672   int i;
10673
10674   UnmapLevelEditorFieldGadgets();
10675
10676   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10677   ClearField();
10678
10679   // map buttons to select elements
10680   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10681     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10682   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10683   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10684   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10685 }
10686
10687 static void UpdateCustomElementGraphicGadgets(void)
10688 {
10689   int i;
10690
10691   InitElementPropertiesGfxElement();
10692
10693   ModifyEditorElementList();
10694   RedrawDrawingElements();
10695
10696   // force redraw of all mapped drawing area gadgets
10697   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10698   {
10699     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10700
10701     if (gi->mapped)
10702       MapDrawingArea(i);
10703   }
10704 }
10705
10706 static int getOpenDirectionFromTube(int element)
10707 {
10708   switch (element)
10709   {
10710     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10711     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10712     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10713     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10714     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10715     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10716     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10717     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10718     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10719     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10720     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10721   }
10722
10723   return MV_NONE;
10724 }
10725
10726 static int getTubeFromOpenDirection(int direction)
10727 {
10728   switch (direction)
10729   {
10730     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10731     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10732     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10733     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10734     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10735     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10736     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10737     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10738     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10739     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10740     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10741
10742     // if only one direction, fall back to simple tube with that direction
10743     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10744     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10745     case (MV_UP):                       return EL_TUBE_VERTICAL;
10746     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10747   }
10748
10749   return EL_EMPTY;
10750 }
10751
10752 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10753 {
10754   int element_new = getTubeFromOpenDirection(direction);
10755
10756   return (element_new != EL_EMPTY ? element_new : element_old);
10757 }
10758
10759 static int getOpenDirectionFromBelt(int element)
10760 {
10761   int belt_dir = getBeltDirFromBeltElement(element);
10762
10763   return (belt_dir == MV_LEFT ? MV_RIGHT :
10764           belt_dir == MV_RIGHT ? MV_LEFT :
10765           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10766 }
10767
10768 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10769 {
10770   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10771                   direction == MV_RIGHT ? MV_LEFT :
10772                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10773
10774   if (direction == MV_NONE)
10775     return EL_EMPTY;
10776
10777   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10778 }
10779
10780 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10781                                                  int element_old)
10782 {
10783   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10784
10785   return (element_new != EL_EMPTY ? element_new : element_old);
10786 }
10787
10788 static int getOpenDirectionFromPool(int element)
10789 {
10790   switch (element)
10791   {
10792     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10793     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10794     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10795     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10796     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10797     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10798   }
10799
10800   return MV_NONE;
10801 }
10802
10803 static int getPoolFromOpenDirection(int direction)
10804 {
10805   switch (direction)
10806   {
10807     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10808     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10809     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10810     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10811     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10812     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10813   }
10814
10815   return EL_EMPTY;
10816 }
10817
10818 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10819 {
10820   int element = getPoolFromOpenDirection(direction);
10821   int help_direction = getOpenDirectionFromPool(help_element);
10822
10823   if (element == EL_EMPTY)
10824   {
10825     int help_direction_vertical = help_direction & MV_VERTICAL;
10826
10827     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10828   }
10829
10830   if (element == EL_EMPTY)
10831   {
10832     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10833
10834     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10835   }
10836
10837   return element;
10838 }
10839
10840 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10841 {
10842   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10843
10844   return (element_new != EL_EMPTY ? element_new : element_old);
10845 }
10846
10847 static int getOpenDirectionFromPillar(int element)
10848 {
10849   switch (element)
10850   {
10851     case EL_EMC_WALL_1:                 return (MV_DOWN);
10852     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10853     case EL_EMC_WALL_3:                 return (MV_UP);
10854   }
10855
10856   return MV_NONE;
10857 }
10858
10859 static int getPillarFromOpenDirection(int direction)
10860 {
10861   switch (direction)
10862   {
10863     case (MV_DOWN):                     return EL_EMC_WALL_1;
10864     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10865     case (MV_UP):                       return EL_EMC_WALL_3;
10866   }
10867
10868   return EL_EMPTY;
10869 }
10870
10871 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10872 {
10873   int element_new = getPillarFromOpenDirection(direction);
10874
10875   return (element_new != EL_EMPTY ? element_new : element_old);
10876 }
10877
10878 static int getOpenDirectionFromSteel2(int element)
10879 {
10880   switch (element)
10881   {
10882     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10883     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10884     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10885     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10886     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10887     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10888     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10889     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10890   }
10891
10892   return MV_NONE;
10893 }
10894
10895 static int getSteel2FromOpenDirection(int direction)
10896 {
10897   switch (direction)
10898   {
10899     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10900     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10901     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10902     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10903     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10904     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10905     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10906     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10907   }
10908
10909   return EL_EMPTY;
10910 }
10911
10912 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10913 {
10914   int element_new = getSteel2FromOpenDirection(direction);
10915
10916   return (element_new != EL_EMPTY ? element_new : element_old);
10917 }
10918
10919 static int getOpenDirectionFromChip(int element)
10920 {
10921   switch (element)
10922   {
10923     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10924     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10925     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10926     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10927     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10928   }
10929
10930   return MV_NONE;
10931 }
10932
10933 static int getChipFromOpenDirection(int direction)
10934 {
10935   switch (direction)
10936   {
10937     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10938     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10939     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10940     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10941     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10942   }
10943
10944   return EL_EMPTY;
10945 }
10946
10947 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10948 {
10949   int element_new = getChipFromOpenDirection(direction);
10950
10951   return (element_new != EL_EMPTY ? element_new : element_old);
10952 }
10953
10954 static int getClosedTube(int x, int y)
10955 {
10956   struct XY *xy = xy_directions;
10957   int element_old = IntelliDrawBuffer[x][y];
10958   int direction_old = getOpenDirectionFromTube(element_old);
10959   int direction_new = MV_NONE;
10960   int i;
10961
10962   for (i = 0; i < NUM_DIRECTIONS; i++)
10963   {
10964     int xx = x + xy[i].x;
10965     int yy = y + xy[i].y;
10966     int dir = MV_DIR_FROM_BIT(i);
10967     int dir_opposite = MV_DIR_OPPOSITE(dir);
10968
10969     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10970         (direction_old & dir) &&
10971         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10972       direction_new |= dir;
10973   }
10974
10975   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10976 }
10977
10978 static int getClosedBelt(int x, int y)
10979 {
10980   struct XY *xy = xy_directions;
10981   int element_old = IntelliDrawBuffer[x][y];
10982   int nr = getBeltNrFromBeltElement(element_old);
10983   int direction_old = getOpenDirectionFromBelt(element_old);
10984   int direction_new = MV_NONE;
10985   int i;
10986
10987   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10988   {
10989     int xx = x + xy[i].x;
10990     int yy = y + xy[i].y;
10991     int dir = MV_DIR_FROM_BIT(i);
10992     int dir_opposite = MV_DIR_OPPOSITE(dir);
10993
10994     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10995         (direction_old & dir) &&
10996         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10997       direction_new |= dir;
10998   }
10999
11000   return getBeltFromNrAndOpenDirection(nr, direction_new);
11001 }
11002
11003 static int getClosedPool(int x, int y)
11004 {
11005   struct XY *xy = xy_directions;
11006   int element_old = IntelliDrawBuffer[x][y];
11007   int direction_old = getOpenDirectionFromPool(element_old);
11008   int direction_new = MV_NONE;
11009   int i;
11010
11011   for (i = 0; i < NUM_DIRECTIONS; i++)
11012   {
11013     int xx = x + xy[i].x;
11014     int yy = y + xy[i].y;
11015     int dir = MV_DIR_FROM_BIT(i);
11016     int dir_opposite = MV_DIR_OPPOSITE(dir);
11017
11018     if (IN_LEV_FIELD(xx, yy) &&
11019         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11020         (direction_old & dir) &&
11021         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11022       direction_new |= dir;
11023   }
11024
11025   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11026 }
11027
11028 static int getClosedPillar(int x, int y)
11029 {
11030   struct XY *xy = xy_directions;
11031   int element_old = IntelliDrawBuffer[x][y];
11032   int direction_old = getOpenDirectionFromPillar(element_old);
11033   int direction_new = MV_NONE;
11034   int i;
11035
11036   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11037   {
11038     int xx = x + xy[i].x;
11039     int yy = y + xy[i].y;
11040     int dir = MV_DIR_FROM_BIT(i);
11041     int dir_opposite = MV_DIR_OPPOSITE(dir);
11042
11043     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11044         (direction_old & dir) &&
11045         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11046       direction_new |= dir;
11047   }
11048
11049   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11050 }
11051
11052 static int getClosedSteel2(int x, int y)
11053 {
11054   struct XY *xy = xy_directions;
11055   int element_old = IntelliDrawBuffer[x][y];
11056   int direction_old = getOpenDirectionFromSteel2(element_old);
11057   int direction_new = MV_NONE;
11058   int i;
11059
11060   for (i = 0; i < NUM_DIRECTIONS; i++)
11061   {
11062     int xx = x + xy[i].x;
11063     int yy = y + xy[i].y;
11064     int dir = MV_DIR_FROM_BIT(i);
11065     int dir_opposite = MV_DIR_OPPOSITE(dir);
11066
11067     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11068         (direction_old & dir) &&
11069         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11070       direction_new |= dir;
11071   }
11072
11073   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11074 }
11075
11076 static int getClosedChip(int x, int y)
11077 {
11078   struct XY *xy = xy_directions;
11079   int element_old = IntelliDrawBuffer[x][y];
11080   int direction_old = getOpenDirectionFromChip(element_old);
11081   int direction_new = MV_NONE;
11082   int i;
11083
11084   for (i = 0; i < NUM_DIRECTIONS; i++)
11085   {
11086     int xx = x + xy[i].x;
11087     int yy = y + xy[i].y;
11088     int dir = MV_DIR_FROM_BIT(i);
11089     int dir_opposite = MV_DIR_OPPOSITE(dir);
11090
11091     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11092         (direction_old & dir) &&
11093         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11094       direction_new |= dir;
11095   }
11096
11097   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11098 }
11099
11100 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11101                                 boolean change_level)
11102 {
11103   int sx = x - level_xpos;
11104   int sy = y - level_ypos;
11105   int old_element = Tile[x][y];
11106   int new_element = element;
11107   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11108   boolean draw_masked = FALSE;
11109
11110   if (IS_MM_WALL_EDITOR(element))
11111   {
11112     element = map_mm_wall_element_editor(element) | new_bitmask;
11113
11114     if (IS_MM_WALL(old_element))
11115       element |= MM_WALL_BITS(old_element);
11116
11117     if (!change_level)
11118       draw_masked = TRUE;
11119   }
11120   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11121   {
11122     int element_changed = old_element & ~new_bitmask;
11123
11124     if (MM_WALL_BITS(element_changed) != 0)
11125       element = element_changed;
11126   }
11127
11128   IntelliDrawBuffer[x][y] = element;
11129
11130   if (change_level)
11131     Tile[x][y] = element;
11132
11133   if (IN_ED_FIELD(sx, sy))
11134   {
11135     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11136       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11137     else if (draw_masked)
11138       DrawEditorElementThruMask(sx, sy, element);
11139     else
11140       DrawEditorElement(sx, sy, element);
11141   }
11142 }
11143
11144 static void SetElementSimple(int x, int y, int element, boolean change_level)
11145 {
11146   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11147 }
11148
11149 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11150                                            int x2, int y2, int *element2,
11151                                            int (*close_function)(int, int),
11152                                            boolean change_level)
11153 {
11154   // set neighbour elements to newly determined connections
11155   SetElementSimple(x1, y1, *element1, change_level);
11156   SetElementSimple(x2, y2, *element2, change_level);
11157
11158   // remove all open connections of neighbour elements
11159   *element1 = close_function(x1, y1);
11160   *element2 = close_function(x2, y2);
11161
11162   // set neighbour elements to new, minimized connections
11163   SetElementSimple(x1, y1, *element1, change_level);
11164   SetElementSimple(x2, y2, *element2, change_level);
11165 }
11166
11167 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11168                                   boolean change_level, int button)
11169 {
11170   struct XY *xy = xy_directions;
11171   static int last_x = -1;
11172   static int last_y = -1;
11173
11174   if (new_element == EL_UNDEFINED)
11175   {
11176     last_x = -1;
11177     last_y = -1;
11178
11179     return;
11180   }
11181
11182   int old_element = IntelliDrawBuffer[x][y];
11183
11184   if (IS_TUBE(new_element))
11185   {
11186     int last_element_new = EL_UNDEFINED;
11187     int direction = MV_NONE;
11188     int i;
11189
11190     // if old element is of same kind, keep all existing directions
11191     if (IS_TUBE(old_element))
11192       direction |= getOpenDirectionFromTube(old_element);
11193
11194     for (i = 0; i < NUM_DIRECTIONS; i++)
11195     {
11196       int xx = x + xy[i].x;
11197       int yy = y + xy[i].y;
11198
11199       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11200           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11201       {
11202         int dir = MV_DIR_FROM_BIT(i);
11203         int dir_opposite = MV_DIR_OPPOSITE(dir);
11204         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11205         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11206         int last_direction_new = last_direction_old | dir_opposite;
11207
11208         last_element_new = getTubeFromOpenDirection(last_direction_new);
11209
11210         direction |= dir;
11211       }
11212     }
11213
11214     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11215
11216     if (last_element_new != EL_UNDEFINED)
11217       MergeAndCloseNeighbourElements(x, y, &new_element,
11218                                      last_x, last_y, &last_element_new,
11219                                      getClosedTube, change_level);
11220   }
11221   else if (IS_BELT(new_element))
11222   {
11223     int belt_nr = getBeltNrFromBeltElement(new_element);
11224     int last_element_new = EL_UNDEFINED;
11225     int direction = MV_NONE;
11226     int i;
11227
11228     // if old element is of same kind, keep all existing directions
11229     if (IS_BELT(old_element))
11230       direction |= getOpenDirectionFromBelt(old_element);
11231
11232     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11233     {
11234       int xx = x + xy[i].x;
11235       int yy = y + xy[i].y;
11236
11237       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11238           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11239       {
11240         int dir = MV_DIR_FROM_BIT(i);
11241         int dir_opposite = MV_DIR_OPPOSITE(dir);
11242         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11243         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11244         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11245         int last_direction_new = last_direction_old | dir_opposite;
11246
11247         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11248                                                          last_direction_new);
11249         direction |= dir;
11250       }
11251     }
11252
11253     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11254                                                         new_element);
11255     if (last_element_new != EL_UNDEFINED)
11256       MergeAndCloseNeighbourElements(x, y, &new_element,
11257                                      last_x, last_y, &last_element_new,
11258                                      getClosedBelt, change_level);
11259   }
11260   else if (IS_ACID_POOL_OR_ACID(new_element))
11261   {
11262     int last_element_new = EL_UNDEFINED;
11263     int direction = MV_NONE;
11264     int i;
11265
11266     // if old element is of same kind, keep all existing directions
11267     if (IS_ACID_POOL_OR_ACID(old_element))
11268       direction |= getOpenDirectionFromPool(old_element);
11269
11270     for (i = 0; i < NUM_DIRECTIONS; i++)
11271     {
11272       int xx = x + xy[i].x;
11273       int yy = y + xy[i].y;
11274
11275       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11276           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11277       {
11278         int dir = MV_DIR_FROM_BIT(i);
11279         int dir_opposite = MV_DIR_OPPOSITE(dir);
11280         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11281         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11282         int last_direction_new = last_direction_old | dir_opposite;
11283
11284         last_element_new = getPoolFromOpenDirection(last_direction_new);
11285
11286         direction |= dir;
11287       }
11288     }
11289
11290     // special corrections needed for intuitively correct acid pool drawing
11291     if (last_element_new == EL_EMPTY)
11292       last_element_new = new_element;
11293     else if (last_element_new != EL_UNDEFINED)
11294       new_element = last_element_new;
11295
11296     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11297
11298     if (last_element_new != EL_UNDEFINED)
11299       MergeAndCloseNeighbourElements(x, y, &new_element,
11300                                      last_x, last_y, &last_element_new,
11301                                      getClosedPool, change_level);
11302   }
11303   else if (IS_EMC_PILLAR(new_element))
11304   {
11305     int last_element_new = EL_UNDEFINED;
11306     int direction = MV_NONE;
11307     int i;
11308
11309     // if old element is of same kind, keep all existing directions
11310     if (IS_EMC_PILLAR(old_element))
11311       direction |= getOpenDirectionFromPillar(old_element);
11312
11313     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11314     {
11315       int xx = x + xy[i].x;
11316       int yy = y + xy[i].y;
11317
11318       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11319           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11320       {
11321         int dir = MV_DIR_FROM_BIT(i);
11322         int dir_opposite = MV_DIR_OPPOSITE(dir);
11323         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11324         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11325         int last_direction_new = last_direction_old | dir_opposite;
11326
11327         last_element_new = getPillarFromOpenDirection(last_direction_new);
11328
11329         direction |= dir;
11330       }
11331     }
11332
11333     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11334
11335     if (last_element_new != EL_UNDEFINED)
11336       MergeAndCloseNeighbourElements(x, y, &new_element,
11337                                      last_x, last_y, &last_element_new,
11338                                      getClosedPillar, change_level);
11339   }
11340   else if (IS_DC_STEELWALL_2(new_element))
11341   {
11342     int last_element_new = EL_UNDEFINED;
11343     int direction = MV_NONE;
11344     int i;
11345
11346     // if old element is of same kind, keep all existing directions
11347     if (IS_DC_STEELWALL_2(old_element))
11348       direction |= getOpenDirectionFromSteel2(old_element);
11349
11350     for (i = 0; i < NUM_DIRECTIONS; i++)
11351     {
11352       int xx = x + xy[i].x;
11353       int yy = y + xy[i].y;
11354
11355       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11356           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11357       {
11358         int dir = MV_DIR_FROM_BIT(i);
11359         int dir_opposite = MV_DIR_OPPOSITE(dir);
11360         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11361         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11362         int last_direction_new = last_direction_old | dir_opposite;
11363
11364         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11365
11366         direction |= dir;
11367       }
11368     }
11369
11370     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11371
11372     if (last_element_new != EL_UNDEFINED)
11373       MergeAndCloseNeighbourElements(x, y, &new_element,
11374                                      last_x, last_y, &last_element_new,
11375                                      getClosedSteel2, change_level);
11376   }
11377   else if (IS_SP_CHIP(new_element))
11378   {
11379     int last_element_new = EL_UNDEFINED;
11380     int direction = MV_NONE;
11381     int i;
11382
11383     // (do not keep existing directions, regardless of kind of old element)
11384
11385     for (i = 0; i < NUM_DIRECTIONS; i++)
11386     {
11387       int xx = x + xy[i].x;
11388       int yy = y + xy[i].y;
11389
11390       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11391           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11392       {
11393         int dir = MV_DIR_FROM_BIT(i);
11394         int dir_opposite = MV_DIR_OPPOSITE(dir);
11395         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11396         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11397         int last_direction_new = last_direction_old | dir_opposite;
11398
11399         if (last_direction_old == MV_NONE)
11400         {
11401           last_element_new = getChipFromOpenDirection(last_direction_new);
11402           direction |= dir;
11403         }
11404         else if (last_direction_old & (dir | dir_opposite))
11405         {
11406           direction |= MV_DIR_OPPOSITE(last_direction_old);
11407         }
11408         else
11409         {
11410           direction |= MV_DIR_OPPOSITE(dir);
11411         }
11412       }
11413     }
11414
11415     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11416
11417     if (last_element_new != EL_UNDEFINED)
11418       MergeAndCloseNeighbourElements(x, y, &new_element,
11419                                      last_x, last_y, &last_element_new,
11420                                      getClosedChip, change_level);
11421   }
11422   else if (IS_SP_HARDWARE_BASE(new_element))
11423   {
11424     int nr = GetSimpleRandom(6);
11425
11426     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11427                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11428                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11429                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11430                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11431   }
11432   else if (new_element == EL_SP_HARDWARE_GREEN ||
11433            new_element == EL_SP_HARDWARE_BLUE ||
11434            new_element == EL_SP_HARDWARE_RED)
11435   {
11436     int nr = GetSimpleRandom(3);
11437
11438     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11439                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11440   }
11441   else if (IS_GROUP_ELEMENT(new_element))
11442   {
11443     boolean connected_drawing = FALSE;
11444     int i;
11445
11446     for (i = 0; i < NUM_DIRECTIONS; i++)
11447     {
11448       int xx = x + xy[i].x;
11449       int yy = y + xy[i].y;
11450
11451       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11452           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11453         connected_drawing = TRUE;
11454     }
11455
11456     if (!connected_drawing)
11457       ResolveGroupElement(new_element);
11458
11459     new_element = GetElementFromGroupElement(new_element);
11460   }
11461   else if (IS_BELT_SWITCH(old_element))
11462   {
11463     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11464     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11465
11466     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11467                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11468
11469     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11470   }
11471   else
11472   {
11473     static int swappable_elements[][2] =
11474     {
11475       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11476       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11477       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11478       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11479       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11480       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11481       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11482       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11483       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11484       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11485       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11486       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11487       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11488       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11489       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11490       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11491       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11492       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11493       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11494       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11495       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11496       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11497       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11498       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11499       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11500       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11501       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11502       { EL_PEARL,                       EL_WALL_PEARL                   },
11503       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11504       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11505       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11506       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11507       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11508       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11509       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11510       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11511       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11512       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11513       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11514       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11515       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11516       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11517       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11518       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11519
11520       { -1,                             -1                              },
11521     };
11522     static int rotatable_elements_4[][4] =
11523     {
11524       {
11525         EL_BUG_UP,
11526         EL_BUG_RIGHT,
11527         EL_BUG_DOWN,
11528         EL_BUG_LEFT
11529       },
11530       {
11531         EL_SPACESHIP_UP,
11532         EL_SPACESHIP_RIGHT,
11533         EL_SPACESHIP_DOWN,
11534         EL_SPACESHIP_LEFT
11535       },
11536       {
11537         EL_BD_BUTTERFLY_UP,
11538         EL_BD_BUTTERFLY_RIGHT,
11539         EL_BD_BUTTERFLY_DOWN,
11540         EL_BD_BUTTERFLY_LEFT
11541       },
11542       {
11543         EL_BD_FIREFLY_UP,
11544         EL_BD_FIREFLY_RIGHT,
11545         EL_BD_FIREFLY_DOWN,
11546         EL_BD_FIREFLY_LEFT
11547       },
11548       {
11549         EL_PACMAN_UP,
11550         EL_PACMAN_RIGHT,
11551         EL_PACMAN_DOWN,
11552         EL_PACMAN_LEFT
11553       },
11554       {
11555         EL_YAMYAM_UP,
11556         EL_YAMYAM_RIGHT,
11557         EL_YAMYAM_DOWN,
11558         EL_YAMYAM_LEFT
11559       },
11560       {
11561         EL_ARROW_UP,
11562         EL_ARROW_RIGHT,
11563         EL_ARROW_DOWN,
11564         EL_ARROW_LEFT
11565       },
11566       {
11567         EL_SP_PORT_UP,
11568         EL_SP_PORT_RIGHT,
11569         EL_SP_PORT_DOWN,
11570         EL_SP_PORT_LEFT
11571       },
11572       {
11573         EL_SP_GRAVITY_PORT_UP,
11574         EL_SP_GRAVITY_PORT_RIGHT,
11575         EL_SP_GRAVITY_PORT_DOWN,
11576         EL_SP_GRAVITY_PORT_LEFT
11577       },
11578       {
11579         EL_SP_GRAVITY_ON_PORT_UP,
11580         EL_SP_GRAVITY_ON_PORT_RIGHT,
11581         EL_SP_GRAVITY_ON_PORT_DOWN,
11582         EL_SP_GRAVITY_ON_PORT_LEFT
11583       },
11584       {
11585         EL_SP_GRAVITY_OFF_PORT_UP,
11586         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11587         EL_SP_GRAVITY_OFF_PORT_DOWN,
11588         EL_SP_GRAVITY_OFF_PORT_LEFT
11589       },
11590       {
11591         EL_MOLE_UP,
11592         EL_MOLE_RIGHT,
11593         EL_MOLE_DOWN,
11594         EL_MOLE_LEFT
11595       },
11596       {
11597         EL_BALLOON_SWITCH_UP,
11598         EL_BALLOON_SWITCH_RIGHT,
11599         EL_BALLOON_SWITCH_DOWN,
11600         EL_BALLOON_SWITCH_LEFT
11601       },
11602       {
11603         EL_MM_MCDUFFIN_UP,
11604         EL_MM_MCDUFFIN_RIGHT,
11605         EL_MM_MCDUFFIN_DOWN,
11606         EL_MM_MCDUFFIN_LEFT
11607       },
11608       {
11609         EL_MM_MIRROR_FIXED_1,
11610         EL_MM_MIRROR_FIXED_4,
11611         EL_MM_MIRROR_FIXED_3,
11612         EL_MM_MIRROR_FIXED_2
11613       },
11614       {
11615         EL_MM_STEEL_GRID_FIXED_1,
11616         EL_MM_STEEL_GRID_FIXED_4,
11617         EL_MM_STEEL_GRID_FIXED_2,
11618         EL_MM_STEEL_GRID_FIXED_3
11619       },
11620       {
11621         EL_MM_WOODEN_GRID_FIXED_1,
11622         EL_MM_WOODEN_GRID_FIXED_4,
11623         EL_MM_WOODEN_GRID_FIXED_2,
11624         EL_MM_WOODEN_GRID_FIXED_3
11625       },
11626       {
11627         EL_MM_POLARIZER_CROSS_1,
11628         EL_MM_POLARIZER_CROSS_4,
11629         EL_MM_POLARIZER_CROSS_3,
11630         EL_MM_POLARIZER_CROSS_2
11631       },
11632       {
11633         EL_MM_PACMAN_UP,
11634         EL_MM_PACMAN_RIGHT,
11635         EL_MM_PACMAN_DOWN,
11636         EL_MM_PACMAN_LEFT
11637       },
11638       {
11639         EL_DF_LASER_UP,
11640         EL_DF_LASER_RIGHT,
11641         EL_DF_LASER_DOWN,
11642         EL_DF_LASER_LEFT
11643       },
11644       {
11645         EL_DF_RECEIVER_UP,
11646         EL_DF_RECEIVER_RIGHT,
11647         EL_DF_RECEIVER_DOWN,
11648         EL_DF_RECEIVER_LEFT
11649       },
11650
11651       {
11652         -1,
11653       },
11654     };
11655     static int rotatable_elements_8[][8] =
11656     {
11657       {
11658         EL_DF_STEEL_GRID_FIXED_1,
11659         EL_DF_STEEL_GRID_FIXED_8,
11660         EL_DF_STEEL_GRID_FIXED_7,
11661         EL_DF_STEEL_GRID_FIXED_6,
11662         EL_DF_STEEL_GRID_FIXED_5,
11663         EL_DF_STEEL_GRID_FIXED_4,
11664         EL_DF_STEEL_GRID_FIXED_3,
11665         EL_DF_STEEL_GRID_FIXED_2
11666       },
11667       {
11668         EL_DF_WOODEN_GRID_FIXED_1,
11669         EL_DF_WOODEN_GRID_FIXED_8,
11670         EL_DF_WOODEN_GRID_FIXED_7,
11671         EL_DF_WOODEN_GRID_FIXED_6,
11672         EL_DF_WOODEN_GRID_FIXED_5,
11673         EL_DF_WOODEN_GRID_FIXED_4,
11674         EL_DF_WOODEN_GRID_FIXED_3,
11675         EL_DF_WOODEN_GRID_FIXED_2
11676       },
11677       {
11678         EL_DF_STEEL_GRID_ROTATING_1,
11679         EL_DF_STEEL_GRID_ROTATING_8,
11680         EL_DF_STEEL_GRID_ROTATING_7,
11681         EL_DF_STEEL_GRID_ROTATING_6,
11682         EL_DF_STEEL_GRID_ROTATING_5,
11683         EL_DF_STEEL_GRID_ROTATING_4,
11684         EL_DF_STEEL_GRID_ROTATING_3,
11685         EL_DF_STEEL_GRID_ROTATING_2
11686       },
11687       {
11688         EL_DF_WOODEN_GRID_ROTATING_1,
11689         EL_DF_WOODEN_GRID_ROTATING_8,
11690         EL_DF_WOODEN_GRID_ROTATING_7,
11691         EL_DF_WOODEN_GRID_ROTATING_6,
11692         EL_DF_WOODEN_GRID_ROTATING_5,
11693         EL_DF_WOODEN_GRID_ROTATING_4,
11694         EL_DF_WOODEN_GRID_ROTATING_3,
11695         EL_DF_WOODEN_GRID_ROTATING_2
11696       },
11697
11698       {
11699         -1,
11700       },
11701     };
11702     static int rotatable_elements_16[][16] =
11703     {
11704       {
11705         EL_MM_MIRROR_1,
11706         EL_MM_MIRROR_16,
11707         EL_MM_MIRROR_15,
11708         EL_MM_MIRROR_14,
11709         EL_MM_MIRROR_13,
11710         EL_MM_MIRROR_12,
11711         EL_MM_MIRROR_11,
11712         EL_MM_MIRROR_10,
11713         EL_MM_MIRROR_9,
11714         EL_MM_MIRROR_8,
11715         EL_MM_MIRROR_7,
11716         EL_MM_MIRROR_6,
11717         EL_MM_MIRROR_5,
11718         EL_MM_MIRROR_4,
11719         EL_MM_MIRROR_3,
11720         EL_MM_MIRROR_2
11721       },
11722       {
11723         EL_MM_TELEPORTER_5,
11724         EL_MM_TELEPORTER_4,
11725         EL_MM_TELEPORTER_3,
11726         EL_MM_TELEPORTER_2,
11727         EL_MM_TELEPORTER_1,
11728         EL_MM_TELEPORTER_16,
11729         EL_MM_TELEPORTER_15,
11730         EL_MM_TELEPORTER_14,
11731         EL_MM_TELEPORTER_13,
11732         EL_MM_TELEPORTER_12,
11733         EL_MM_TELEPORTER_11,
11734         EL_MM_TELEPORTER_10,
11735         EL_MM_TELEPORTER_9,
11736         EL_MM_TELEPORTER_8,
11737         EL_MM_TELEPORTER_7,
11738         EL_MM_TELEPORTER_6
11739       },
11740       {
11741         EL_MM_TELEPORTER_RED_5,
11742         EL_MM_TELEPORTER_RED_4,
11743         EL_MM_TELEPORTER_RED_3,
11744         EL_MM_TELEPORTER_RED_2,
11745         EL_MM_TELEPORTER_RED_1,
11746         EL_MM_TELEPORTER_RED_16,
11747         EL_MM_TELEPORTER_RED_15,
11748         EL_MM_TELEPORTER_RED_14,
11749         EL_MM_TELEPORTER_RED_13,
11750         EL_MM_TELEPORTER_RED_12,
11751         EL_MM_TELEPORTER_RED_11,
11752         EL_MM_TELEPORTER_RED_10,
11753         EL_MM_TELEPORTER_RED_9,
11754         EL_MM_TELEPORTER_RED_8,
11755         EL_MM_TELEPORTER_RED_7,
11756         EL_MM_TELEPORTER_RED_6
11757       },
11758       {
11759         EL_MM_TELEPORTER_YELLOW_5,
11760         EL_MM_TELEPORTER_YELLOW_4,
11761         EL_MM_TELEPORTER_YELLOW_3,
11762         EL_MM_TELEPORTER_YELLOW_2,
11763         EL_MM_TELEPORTER_YELLOW_1,
11764         EL_MM_TELEPORTER_YELLOW_16,
11765         EL_MM_TELEPORTER_YELLOW_15,
11766         EL_MM_TELEPORTER_YELLOW_14,
11767         EL_MM_TELEPORTER_YELLOW_13,
11768         EL_MM_TELEPORTER_YELLOW_12,
11769         EL_MM_TELEPORTER_YELLOW_11,
11770         EL_MM_TELEPORTER_YELLOW_10,
11771         EL_MM_TELEPORTER_YELLOW_9,
11772         EL_MM_TELEPORTER_YELLOW_8,
11773         EL_MM_TELEPORTER_YELLOW_7,
11774         EL_MM_TELEPORTER_YELLOW_6
11775       },
11776       {
11777         EL_MM_TELEPORTER_GREEN_5,
11778         EL_MM_TELEPORTER_GREEN_4,
11779         EL_MM_TELEPORTER_GREEN_3,
11780         EL_MM_TELEPORTER_GREEN_2,
11781         EL_MM_TELEPORTER_GREEN_1,
11782         EL_MM_TELEPORTER_GREEN_16,
11783         EL_MM_TELEPORTER_GREEN_15,
11784         EL_MM_TELEPORTER_GREEN_14,
11785         EL_MM_TELEPORTER_GREEN_13,
11786         EL_MM_TELEPORTER_GREEN_12,
11787         EL_MM_TELEPORTER_GREEN_11,
11788         EL_MM_TELEPORTER_GREEN_10,
11789         EL_MM_TELEPORTER_GREEN_9,
11790         EL_MM_TELEPORTER_GREEN_8,
11791         EL_MM_TELEPORTER_GREEN_7,
11792         EL_MM_TELEPORTER_GREEN_6
11793       },
11794       {
11795         EL_MM_TELEPORTER_BLUE_5,
11796         EL_MM_TELEPORTER_BLUE_4,
11797         EL_MM_TELEPORTER_BLUE_3,
11798         EL_MM_TELEPORTER_BLUE_2,
11799         EL_MM_TELEPORTER_BLUE_1,
11800         EL_MM_TELEPORTER_BLUE_16,
11801         EL_MM_TELEPORTER_BLUE_15,
11802         EL_MM_TELEPORTER_BLUE_14,
11803         EL_MM_TELEPORTER_BLUE_13,
11804         EL_MM_TELEPORTER_BLUE_12,
11805         EL_MM_TELEPORTER_BLUE_11,
11806         EL_MM_TELEPORTER_BLUE_10,
11807         EL_MM_TELEPORTER_BLUE_9,
11808         EL_MM_TELEPORTER_BLUE_8,
11809         EL_MM_TELEPORTER_BLUE_7,
11810         EL_MM_TELEPORTER_BLUE_6
11811       },
11812       {
11813         EL_MM_POLARIZER_1,
11814         EL_MM_POLARIZER_16,
11815         EL_MM_POLARIZER_15,
11816         EL_MM_POLARIZER_14,
11817         EL_MM_POLARIZER_13,
11818         EL_MM_POLARIZER_12,
11819         EL_MM_POLARIZER_11,
11820         EL_MM_POLARIZER_10,
11821         EL_MM_POLARIZER_9,
11822         EL_MM_POLARIZER_8,
11823         EL_MM_POLARIZER_7,
11824         EL_MM_POLARIZER_6,
11825         EL_MM_POLARIZER_5,
11826         EL_MM_POLARIZER_4,
11827         EL_MM_POLARIZER_3,
11828         EL_MM_POLARIZER_2
11829       },
11830       {
11831         EL_DF_MIRROR_1,
11832         EL_DF_MIRROR_16,
11833         EL_DF_MIRROR_15,
11834         EL_DF_MIRROR_14,
11835         EL_DF_MIRROR_13,
11836         EL_DF_MIRROR_12,
11837         EL_DF_MIRROR_11,
11838         EL_DF_MIRROR_10,
11839         EL_DF_MIRROR_9,
11840         EL_DF_MIRROR_8,
11841         EL_DF_MIRROR_7,
11842         EL_DF_MIRROR_6,
11843         EL_DF_MIRROR_5,
11844         EL_DF_MIRROR_4,
11845         EL_DF_MIRROR_3,
11846         EL_DF_MIRROR_2
11847       },
11848       {
11849         EL_DF_MIRROR_ROTATING_1,
11850         EL_DF_MIRROR_ROTATING_16,
11851         EL_DF_MIRROR_ROTATING_15,
11852         EL_DF_MIRROR_ROTATING_14,
11853         EL_DF_MIRROR_ROTATING_13,
11854         EL_DF_MIRROR_ROTATING_12,
11855         EL_DF_MIRROR_ROTATING_11,
11856         EL_DF_MIRROR_ROTATING_10,
11857         EL_DF_MIRROR_ROTATING_9,
11858         EL_DF_MIRROR_ROTATING_8,
11859         EL_DF_MIRROR_ROTATING_7,
11860         EL_DF_MIRROR_ROTATING_6,
11861         EL_DF_MIRROR_ROTATING_5,
11862         EL_DF_MIRROR_ROTATING_4,
11863         EL_DF_MIRROR_ROTATING_3,
11864         EL_DF_MIRROR_ROTATING_2
11865       },
11866
11867       {
11868         -1,
11869       },
11870     };
11871     int i, j;
11872
11873     for (i = 0; swappable_elements[i][0] != -1; i++)
11874     {
11875       int element1 = swappable_elements[i][0];
11876       int element2 = swappable_elements[i][1];
11877
11878       if (old_element == element1 || old_element == element2)
11879         new_element = (old_element == element1 ? element2 : element1);
11880     }
11881
11882     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11883     {
11884       for (j = 0; j < 4; j++)
11885       {
11886         int element = rotatable_elements_4[i][j];
11887
11888         if (old_element == element)
11889           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11890                          button == 2 ? rotatable_elements_4[i][0]           :
11891                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11892                          old_element);
11893       }
11894     }
11895
11896     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11897     {
11898       for (j = 0; j < 8; j++)
11899       {
11900         int element = rotatable_elements_8[i][j];
11901
11902         if (old_element == element)
11903           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11904                          button == 2 ? rotatable_elements_8[i][0]           :
11905                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11906                          old_element);
11907       }
11908     }
11909
11910     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11911     {
11912       for (j = 0; j < 16; j++)
11913       {
11914         int element = rotatable_elements_16[i][j];
11915
11916         if (old_element == element)
11917           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11918                          button == 2 ? rotatable_elements_16[i][0]             :
11919                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11920                          old_element);
11921       }
11922     }
11923
11924     if (old_element != new_element)
11925     {
11926       int max_infotext_len = getMaxInfoTextLength();
11927       char infotext[MAX_OUTPUT_LINESIZE + 1];
11928
11929       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11930       infotext[max_infotext_len] = '\0';
11931
11932       ClearEditorGadgetInfoText();
11933
11934       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11935                 infotext);
11936     }
11937   }
11938
11939   if (IS_MM_WALL_EDITOR(new_element))
11940     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
11941   else
11942     SetElementSimple(x, y, new_element, change_level);
11943
11944   last_x = x;
11945   last_y = y;
11946 }
11947
11948 static void ResetIntelliDraw(void)
11949 {
11950   int x, y;
11951
11952   for (x = 0; x < lev_fieldx; x++)
11953     for (y = 0; y < lev_fieldy; y++)
11954       IntelliDrawBuffer[x][y] = Tile[x][y];
11955
11956   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
11957 }
11958
11959 static boolean draw_mode_hires = FALSE;
11960
11961 static boolean isHiresTileElement(int element)
11962 {
11963   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11964 }
11965
11966 static boolean isHiresDrawElement(int element)
11967 {
11968   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11969 }
11970
11971 static void SetDrawModeHiRes(int element)
11972 {
11973   draw_mode_hires =
11974     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11975      isHiresDrawElement(element));
11976 }
11977
11978 static boolean getDrawModeHiRes(void)
11979 {
11980   return draw_mode_hires;
11981 }
11982
11983 static int getLoResScreenPos(int pos)
11984 {
11985   return (getDrawModeHiRes() ? pos / 2 : pos);
11986 }
11987
11988 static int getLoResScreenMod(int pos)
11989 {
11990   return (getDrawModeHiRes() ? pos % 2 : 0);
11991 }
11992
11993 static void SetElementExt(int x, int y, int dx, int dy, int element,
11994                           boolean change_level, int button)
11995 {
11996   if (element < 0)
11997     SetElementSimple(x, y, Tile[x][y], change_level);
11998   else if (GetKeyModState() & KMOD_Shift)
11999     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12000   else
12001     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12002 }
12003
12004 static void SetElement(int x, int y, int element)
12005 {
12006   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12007 }
12008
12009 static void SetElementButton(int x, int y, int dx, int dy, int element,
12010                              int button)
12011 {
12012   SetElementExt(x, y, dx, dy, element, TRUE, button);
12013 }
12014
12015 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12016 {
12017   int lx = getLoResScreenPos(sx2) + level_xpos;
12018   int ly = getLoResScreenPos(sy2) + level_ypos;
12019   int dx = getLoResScreenMod(sx2);
12020   int dy = getLoResScreenMod(sy2);
12021
12022   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12023 }
12024
12025 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12026 {
12027   int lx = lx2 / 2;
12028   int ly = ly2 / 2;
12029   int dx = lx2 % 2;
12030   int dy = ly2 % 2;
12031
12032   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12033 }
12034
12035 static int getLevelElementHiRes(int lx2, int ly2)
12036 {
12037   int lx = lx2 / 2;
12038   int ly = ly2 / 2;
12039   int dx = lx2 % 2;
12040   int dy = ly2 % 2;
12041   int element = Tile[lx][ly];
12042   unsigned int bitmask = (dx + 1) << (dy * 2);
12043
12044   if (IS_MM_WALL(element))
12045   {
12046     if (element & bitmask)
12047       return map_mm_wall_element(element);
12048     else
12049       return EL_EMPTY;
12050   }
12051
12052   return element;
12053 }
12054
12055 static void DrawLineElement(int x, int y, int element, boolean change_level)
12056 {
12057   SetElementHiRes(x, y, element, change_level);
12058 }
12059
12060 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12061                      int element, boolean change_level)
12062 {
12063   int xsize = ABS(to_x - from_x);
12064   int ysize = ABS(to_y - from_y);
12065   int dx = (to_x < from_x ? -1 : +1);
12066   int dy = (to_y < from_y ? -1 : +1);
12067   int i;
12068
12069   if (from_y == to_y)                   // horizontal line
12070   {
12071     for (i = 0; i <= xsize; i++)
12072       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12073   }
12074   else if (from_x == to_x)              // vertical line
12075   {
12076     for (i = 0; i <= ysize; i++)
12077       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12078   }
12079   else                                  // diagonal line
12080   {
12081     if (ysize < xsize)                  // a < 1
12082     {
12083       float a = (float)ysize / (float)xsize;
12084
12085       for (i = 0; i <= xsize; i++)
12086       {
12087         int x = dx * i;
12088         int y = dy * (int)(a * i + 0.5);
12089
12090         DrawLineElement(from_x + x, from_y + y, element, change_level);
12091       }
12092     }
12093     else                                // a >= 1
12094     {
12095       float a = (float)xsize / (float)ysize;
12096
12097       for (i = 0; i <= ysize; i++)
12098       {
12099         int x = dx * (int)(a * i + 0.5);
12100         int y = dy * i;
12101
12102         DrawLineElement(from_x + x, from_y + y, element, change_level);
12103       }
12104     }
12105   }
12106 }
12107
12108 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12109                     int element, boolean change_level)
12110 {
12111   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12112   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12113   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12114   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12115 }
12116
12117 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12118                           int element, boolean change_level)
12119 {
12120   int y;
12121
12122   if (from_y > to_y)
12123     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12124
12125   for (y = from_y; y <= to_y; y++)
12126     DrawLine(from_x, y, to_x, y, element, change_level);
12127 }
12128
12129 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12130                        int element, boolean change_level)
12131 {
12132   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12133   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12134   int len_x = ABS(to_x - from_x);
12135   int len_y = ABS(to_y - from_y);
12136   int radius, x, y;
12137
12138   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12139
12140   // not optimal (some points get drawn twice) but simple,
12141   // and fast enough for the few points we are drawing
12142
12143   for (x = 0; x <= radius; x++)
12144   {
12145     int sx, sy, sx2, sy2, lx, ly;
12146
12147     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12148
12149     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12150     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12151     sx = getLoResScreenPos(sx2);
12152     sy = getLoResScreenPos(sy2);
12153     lx = sx + level_xpos;
12154     ly = sy + level_ypos;
12155
12156     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12157       DrawLineElement(sx2, sy2, element, change_level);
12158   }
12159
12160   for (y = 0; y <= radius; y++)
12161   {
12162     int sx, sy, sx2, sy2, lx, ly;
12163
12164     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12165
12166     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12167     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12168     sx = getLoResScreenPos(sx2);
12169     sy = getLoResScreenPos(sy2);
12170     lx = sx + level_xpos;
12171     ly = sy + level_ypos;
12172
12173     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12174       DrawLineElement(sx2, sy2, element, change_level);
12175   }
12176 }
12177
12178 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12179                     int element, boolean change_level)
12180 {
12181   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12182   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12183
12184   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12185 }
12186
12187 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12188
12189 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12190 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12191                        int element, boolean change_level)
12192 {
12193   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12194   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12195   int mirror_to_x2 = from_x - (to_x2 - from_x);
12196   int mirror_to_y2 = from_y - (to_y2 - from_y);
12197
12198   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12199   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12200   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12201   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
12202 }
12203 #endif
12204
12205 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12206 {
12207   int from_sx, from_sy;
12208   int to_sx, to_sy;
12209
12210   if (from_x > to_x)
12211     swap_numbers(&from_x, &to_x);
12212
12213   if (from_y > to_y)
12214     swap_numbers(&from_y, &to_y);
12215
12216   from_sx = SX + from_x * ed_tilesize;
12217   from_sy = SY + from_y * ed_tilesize;
12218   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12219   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12220
12221   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12222   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12223   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12224   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12225
12226   if (from_x == to_x && from_y == to_y)
12227     MarkTileDirty(from_x/2, from_y/2);
12228   else
12229     redraw_mask |= REDRAW_FIELD;
12230 }
12231
12232 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12233                         int element, boolean change_level)
12234 {
12235   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12236 }
12237
12238 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12239                        int element, boolean change_level)
12240 {
12241   if (element == -1 || change_level)
12242     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12243   else
12244     DrawAreaBorder(from_x, from_y, to_x, to_y);
12245 }
12246
12247 // values for CopyBrushExt()
12248 #define CB_AREA_TO_BRUSH                0
12249 #define CB_BRUSH_TO_CURSOR              1
12250 #define CB_BRUSH_TO_LEVEL               2
12251 #define CB_DELETE_OLD_CURSOR            3
12252 #define CB_DUMP_BRUSH                   4
12253 #define CB_DUMP_BRUSH_SMALL             5
12254 #define CB_CLIPBOARD_TO_BRUSH           6
12255 #define CB_BRUSH_TO_CLIPBOARD           7
12256 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12257 #define CB_UPDATE_BRUSH_POSITION        9
12258
12259 #define MAX_CB_PART_SIZE        10
12260 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12261 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12262 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12263                                  MAX_CB_NUM_LINES *     \
12264                                  MAX_CB_PART_SIZE)
12265
12266 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12267 {
12268   DrawLineElement(sx, sy, element, change_level);
12269 }
12270
12271 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12272                          int button, int mode)
12273 {
12274   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12275   static int brush_width, brush_height;
12276   static int last_cursor_x = -1, last_cursor_y = -1;
12277   static boolean delete_old_brush = FALSE;
12278   int new_element = BUTTON_ELEMENT(button);
12279   int x, y;
12280
12281   if (mode == CB_DUMP_BRUSH ||
12282       mode == CB_DUMP_BRUSH_SMALL ||
12283       mode == CB_BRUSH_TO_CLIPBOARD ||
12284       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12285   {
12286     if (edit_mode != ED_MODE_DRAWING)
12287       return;
12288
12289     char part[MAX_CB_PART_SIZE + 1] = "";
12290     char text[MAX_CB_TEXT_SIZE + 1] = "";
12291     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12292     int height = (draw_with_brush ? brush_height : lev_fieldy);
12293     char *format = "%s%03d";
12294
12295     for (y = 0; y < height; y++)
12296       for (x = 0; x < width; x++)
12297         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12298           format = "%s%04d";
12299
12300     for (y = 0; y < height; y++)
12301     {
12302       for (x = 0; x < width; x++)
12303       {
12304         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12305         char *prefix = (mode == CB_DUMP_BRUSH ||
12306                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12307
12308         if (element >= NUM_FILE_ELEMENTS)
12309           element = EL_UNKNOWN;
12310
12311         // copy brush to level sketch text buffer for the R'n'D forum:
12312         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12313         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12314         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12315         strcat(text, part);
12316       }
12317
12318       strcat(text, "\n");
12319     }
12320
12321     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12322         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12323       SDL_SetClipboardText(text);
12324     else
12325       Print("%s", text);        // print brush data to console and log file
12326
12327     return;
12328   }
12329
12330   if (mode == CB_CLIPBOARD_TO_BRUSH)
12331   {
12332     if (edit_mode != ED_MODE_DRAWING)
12333       return;
12334
12335     if (!SDL_HasClipboardText())
12336     {
12337       Request("Clipboard is empty!", REQ_CONFIRM);
12338
12339       return;
12340     }
12341
12342     boolean copy_to_brush = (draw_with_brush ||
12343                              drawing_function == GADGET_ID_GRAB_BRUSH);
12344
12345     // this will delete the old brush, if already drawing with a brush
12346     if (copy_to_brush)
12347       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12348
12349     // initialization is required for "odd" (incomplete) clipboard content
12350     for (x = 0; x < MAX_LEV_FIELDX; x++)
12351       for (y = 0; y < MAX_LEV_FIELDY; y++)
12352         brush_buffer[x][y] = EL_EMPTY;
12353
12354     brush_width  = 0;
12355     brush_height = 0;
12356     x = 0;
12357     y = 0;
12358
12359     char *clipboard_text = SDL_GetClipboardText();
12360     char *ptr = clipboard_text;
12361     boolean allow_new_row = FALSE;
12362     boolean stop = FALSE;
12363
12364     while (*ptr && !stop)
12365     {
12366       boolean prefix_found = FALSE;
12367       boolean start_new_row = FALSE;
12368
12369       // level sketch element number prefixes (may be multi-byte characters)
12370       char *prefix_list[] = { "`", "¸" };
12371       int i;
12372
12373       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12374       {
12375         char *prefix = prefix_list[i];
12376
12377         // check if string is large enough for prefix
12378         if (strlen(ptr) < strlen(prefix))
12379         {
12380           stop = TRUE;
12381
12382           break;
12383         }
12384
12385         // check if string starts with prefix
12386         if (strPrefix(ptr, prefix))
12387         {
12388           ptr += strlen(prefix);
12389
12390           prefix_found = TRUE;
12391
12392           break;
12393         }
12394       }
12395
12396       // check if prefix found and followed by (at least) three digits
12397       if (prefix_found &&
12398           strlen(ptr) >= 3 &&
12399           ptr[0] >= '0' && ptr[0] <= '9' &&
12400           ptr[1] >= '0' && ptr[1] <= '9' &&
12401           ptr[2] >= '0' && ptr[2] <= '9')
12402       {
12403         int element = ((ptr[0] - '0') * 100 +
12404                        (ptr[1] - '0') * 10 +
12405                        (ptr[2] - '0'));
12406
12407         ptr += 3;
12408
12409         // level sketch element number might consist of four digits
12410         if (ptr[0] >= '0' && ptr[0] <= '9')
12411         {
12412           element = element * 10 + (ptr[0] - '0');
12413           ptr++;
12414         }
12415
12416         // remap some (historic, now obsolete) elements
12417         element = getMappedElement(element);
12418
12419         if (element >= NUM_FILE_ELEMENTS)
12420           element = EL_UNKNOWN;
12421
12422         brush_buffer[x][y] = element;
12423
12424         brush_width  = MAX(x + 1, brush_width);
12425         brush_height = MAX(y + 1, brush_height);
12426
12427         x++;
12428
12429         if (x >= MAX_LEV_FIELDX)
12430           start_new_row = TRUE;
12431
12432         allow_new_row = TRUE;
12433       }
12434       else
12435       {
12436         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12437           start_new_row = TRUE;
12438
12439         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12440       }
12441
12442       if (start_new_row)
12443       {
12444         x = 0;
12445         y++;
12446
12447         if (y >= MAX_LEV_FIELDY)
12448           stop = TRUE;
12449
12450         allow_new_row = FALSE;
12451       }
12452     }
12453
12454     SDL_free(clipboard_text);
12455
12456     if (brush_width == 0 || brush_height == 0)
12457     {
12458       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12459
12460       return;
12461     }
12462
12463     if (copy_to_brush)
12464     {
12465       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12466       int mx, my;
12467
12468       SDL_GetMouseState(&mx, &my);
12469
12470       // if inside drawing area, activate and draw brush at last mouse position
12471       if (mx >= gi->x && mx < gi->x + gi->width &&
12472           my >= gi->y && my < gi->y + gi->height)
12473         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12474
12475       draw_with_brush = TRUE;
12476     }
12477     else
12478     {
12479       char request[100];
12480
12481       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12482               brush_width, brush_height);
12483
12484       if (!Request(request, REQ_ASK))
12485         return;
12486
12487       for (x = 0; x < MAX_LEV_FIELDX; x++)
12488         for (y = 0; y < MAX_LEV_FIELDY; y++)
12489           Tile[x][y] = brush_buffer[x][y];
12490
12491       lev_fieldx = level.fieldx = brush_width;
12492       lev_fieldy = level.fieldy = brush_height;
12493
12494       boolean use_em_engine = TRUE;
12495       boolean use_sp_engine = TRUE;
12496       boolean use_mm_engine = TRUE;
12497
12498       for (x = 0; x < MAX_LEV_FIELDX; x++)
12499       {
12500         for (y = 0; y < MAX_LEV_FIELDY; y++)
12501         {
12502           int element = Tile[x][y];
12503
12504           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12505             use_em_engine = FALSE;
12506
12507           if (!IS_SP_ELEMENT(element))
12508             use_sp_engine = FALSE;
12509
12510           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12511             use_mm_engine = FALSE;
12512         }
12513       }
12514
12515       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12516                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12517                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12518                                 GAME_ENGINE_TYPE_RND);
12519
12520       // update element selection list
12521       ReinitializeElementList();
12522       ModifyEditorElementList();
12523
12524       SetBorderElement();
12525
12526       DrawEditModeWindow();
12527       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12528     }
12529
12530     return;
12531   }
12532
12533   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12534     return;
12535
12536   if (mode == CB_AREA_TO_BRUSH)
12537   {
12538     int from_lx, from_ly;
12539
12540     if (from_x > to_x)
12541       swap_numbers(&from_x, &to_x);
12542
12543     if (from_y > to_y)
12544       swap_numbers(&from_y, &to_y);
12545
12546     brush_width = to_x - from_x + 1;
12547     brush_height = to_y - from_y + 1;
12548
12549     from_lx = from_x + level_xpos;
12550     from_ly = from_y + level_ypos;
12551
12552     for (y = 0; y < brush_height; y++)
12553     {
12554       for (x = 0; x < brush_width; x++)
12555       {
12556         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12557
12558         if (button != 1)
12559           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12560       }
12561     }
12562
12563     if (button != 1)
12564       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12565
12566     delete_old_brush = FALSE;
12567   }
12568   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12569            mode == CB_BRUSH_TO_LEVEL)
12570   {
12571     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12572     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12573     int cursor_from_x = cursor_x - brush_width / 2;
12574     int cursor_from_y = cursor_y - brush_height / 2;
12575     int border_from_x = cursor_x, border_from_y = cursor_y;
12576     int border_to_x = cursor_x, border_to_y = cursor_y;
12577
12578     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12579       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12580
12581     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12582         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12583     {
12584       delete_old_brush = FALSE;
12585
12586       return;
12587     }
12588
12589     for (y = 0; y < brush_height; y++)
12590     {
12591       for (x = 0; x < brush_width; x++)
12592       {
12593         int sx = cursor_from_x + x;
12594         int sy = cursor_from_y + y;
12595         int lx = sx + level_xpos;
12596         int ly = sy + level_ypos;
12597         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12598         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12599                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12600                        brush_buffer[x][y] : new_element);
12601
12602         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12603         {
12604           if (sx < border_from_x)
12605             border_from_x = sx;
12606           else if (sx > border_to_x)
12607             border_to_x = sx;
12608           if (sy < border_from_y)
12609             border_from_y = sy;
12610           else if (sy > border_to_y)
12611             border_to_y = sy;
12612
12613           DrawBrushElement(sx, sy, element, change_level);
12614         }
12615       }
12616     }
12617
12618     if (mode != CB_DELETE_OLD_CURSOR)
12619       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12620
12621     last_cursor_x = cursor_x;
12622     last_cursor_y = cursor_y;
12623
12624     delete_old_brush = TRUE;
12625   }
12626
12627   if (mode == CB_UPDATE_BRUSH_POSITION)
12628   {
12629     last_cursor_x = from_x;
12630     last_cursor_y = from_y;
12631   }
12632 }
12633
12634 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12635                             int button)
12636 {
12637   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12638 }
12639
12640 static void CopyBrushToLevel(int x, int y, int button)
12641 {
12642   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12643 }
12644
12645 static void CopyBrushToCursor(int x, int y)
12646 {
12647   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12648 }
12649
12650 static void UpdateBrushPosition(int x, int y)
12651 {
12652   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12653 }
12654
12655 static void DeleteBrushFromCursor(void)
12656 {
12657   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12658 }
12659
12660 void DumpBrush(void)
12661 {
12662   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12663 }
12664
12665 void DumpBrush_Small(void)
12666 {
12667   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12668 }
12669
12670 void CopyClipboardToBrush(void)
12671 {
12672   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12673 }
12674
12675 void CopyBrushToClipboard(void)
12676 {
12677   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12678 }
12679
12680 void CopyBrushToClipboard_Small(void)
12681 {
12682   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12683 }
12684
12685 void UndoLevelEditorOperation(void)
12686 {
12687   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12688 }
12689
12690 void RedoLevelEditorOperation(void)
12691 {
12692   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12693 }
12694
12695 static void FloodFill(int from_x, int from_y, int fill_element)
12696 {
12697   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12698 }
12699
12700 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12701 {
12702   int from_x = from_sx2 + 2 * level_xpos;
12703   int from_y = from_sy2 + 2 * level_ypos;
12704   int max_fillx = lev_fieldx * 2;
12705   int max_filly = lev_fieldy * 2;
12706   short Fill[max_fillx][max_filly];
12707   int x, y;
12708
12709   for (x = 0; x < max_fillx; x++)
12710     for (y = 0; y < max_filly; y++)
12711       Fill[x][y] = getLevelElementHiRes(x, y);
12712
12713   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12714                     Fill, max_fillx, max_filly);
12715
12716   for (x = 0; x < max_fillx; x++)
12717     for (y = 0; y < max_filly; y++)
12718       if (Fill[x][y] == fill_element)
12719         SetLevelElementHiRes(x, y, Fill[x][y]);
12720 }
12721
12722 // values for DrawLevelText() modes
12723 #define TEXT_INIT               0
12724 #define TEXT_SETCURSOR          1
12725 #define TEXT_WRITECHAR          2
12726 #define TEXT_BACKSPACE          3
12727 #define TEXT_NEWLINE            4
12728 #define TEXT_END                5
12729 #define TEXT_QUERY_TYPING       6
12730
12731 static int DrawLevelText(int sx, int sy, char letter, int mode)
12732 {
12733   static short delete_buffer[MAX_LEV_FIELDX];
12734   static int start_sx;
12735   static int last_sx, last_sy;
12736   static boolean typing = FALSE;
12737   int letter_element;
12738   int lx = 0, ly = 0;
12739
12740   // map lower case letters to upper case and convert special characters
12741   if (letter >= 'a' && letter <= 'z')
12742     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12743   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12744     letter_element = EL_CHAR_AUMLAUT;
12745   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12746     letter_element = EL_CHAR_OUMLAUT;
12747   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12748     letter_element = EL_CHAR_UUMLAUT;
12749   else if (letter == '^')
12750     letter_element = EL_CHAR_COPYRIGHT;
12751   else
12752     letter_element = EL_CHAR_ASCII0 + letter;
12753
12754   if (mode != TEXT_INIT)
12755   {
12756     if (!typing)
12757       return FALSE;
12758
12759     if (mode != TEXT_SETCURSOR)
12760     {
12761       sx = last_sx;
12762       sy = last_sy;
12763     }
12764
12765     lx = last_sx + level_xpos;
12766     ly = last_sy + level_ypos;
12767   }
12768
12769   switch (mode)
12770   {
12771     case TEXT_INIT:
12772       if (typing)
12773         DrawLevelText(0, 0, 0, TEXT_END);
12774
12775       typing = TRUE;
12776       start_sx = sx;
12777       last_sx = sx;
12778       last_sy = sy;
12779       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12780       break;
12781
12782     case TEXT_SETCURSOR:
12783       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12784       DrawAreaBorder(sx, sy, sx, sy);
12785       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12786                      ed_tilesize, ed_tilesize);
12787       last_sx = sx;
12788       last_sy = sy;
12789       break;
12790
12791     case TEXT_WRITECHAR:
12792       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12793       {
12794         if (new_element1 >= EL_STEEL_CHAR_START &&
12795             new_element1 <= EL_STEEL_CHAR_END)
12796           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12797
12798         delete_buffer[sx - start_sx] = Tile[lx][ly];
12799         Tile[lx][ly] = letter_element;
12800
12801         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12802           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12803         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12804           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12805         else
12806           DrawLevelText(0, 0, 0, TEXT_END);
12807
12808         level.changed = TRUE;
12809       }
12810       break;
12811
12812     case TEXT_BACKSPACE:
12813       if (sx > start_sx)
12814       {
12815         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12816         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12817         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12818       }
12819       break;
12820
12821     case TEXT_NEWLINE:
12822       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12823         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12824       else
12825         DrawLevelText(0, 0, 0, TEXT_END);
12826       break;
12827
12828     case TEXT_END:
12829       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12830       DrawEditorElement(sx, sy, Tile[lx][ly]);
12831       StopTextInput();
12832       typing = FALSE;
12833       break;
12834
12835     case TEXT_QUERY_TYPING:
12836       break;
12837
12838     default:
12839       break;
12840   }
12841
12842   return typing;
12843 }
12844
12845 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12846                           int element, boolean change_level)
12847 {
12848   int lx = sx + level_xpos;
12849   int ly = sy + level_ypos;
12850
12851   if (element == -1)
12852     DrawEditorElement(sx, sy, Tile[lx][ly]);
12853   else
12854     DrawAreaBorder(sx, sy, sx, sy);
12855 }
12856
12857 static void CheckLevelBorderElement(boolean redraw_playfield)
12858 {
12859   int last_border_element = BorderElement;
12860
12861   SetBorderElement();
12862
12863   if (redraw_playfield && BorderElement != last_border_element)
12864     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12865 }
12866
12867 static void CopyLevelToUndoBuffer(int mode)
12868 {
12869   static boolean accumulated_undo = FALSE;
12870   boolean new_undo_buffer_position = TRUE;
12871   int x, y;
12872
12873   if (undo_buffer_steps == 0)
12874     accumulated_undo = FALSE;
12875
12876   switch (mode)
12877   {
12878     case UNDO_IMMEDIATE:
12879       accumulated_undo = FALSE;
12880       break;
12881
12882     case UNDO_ACCUMULATE:
12883       if (accumulated_undo)
12884         new_undo_buffer_position = FALSE;
12885       accumulated_undo = TRUE;
12886       break;
12887
12888     default:
12889       break;
12890   }
12891
12892   if (new_undo_buffer_position)
12893   {
12894     // advance position in undo buffer ring
12895     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12896
12897     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12898       undo_buffer_steps++;
12899   }
12900
12901   // always reset redo buffer when storing level change into undo buffer
12902   redo_buffer_steps = 0;
12903
12904   for (x = 0; x < lev_fieldx; x++)
12905     for (y = 0; y < lev_fieldy; y++)
12906       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12907
12908   // check if drawing operation forces change of border style
12909   CheckLevelBorderElement(TRUE);
12910
12911   level.changed = TRUE;
12912 }
12913
12914 static void RandomPlacement(int new_element)
12915 {
12916   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12917   int num_free_positions = 0;
12918   int num_percentage, num_elements;
12919   int x, y;
12920
12921   ResetIntelliDraw();
12922
12923   // determine number of free positions for randomly placing the new element
12924   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12925   {
12926     free_position[x][y] =
12927       (random_placement_background_restricted ?
12928        Tile[x][y] == random_placement_background_element :
12929        Tile[x][y] != new_element);
12930
12931     if (free_position[x][y])
12932       num_free_positions++;
12933   }
12934
12935   // determine number of new elements to place there
12936   num_percentage = num_free_positions * random_placement_value / 100;
12937   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12938                   num_percentage : random_placement_value);
12939
12940   // if less free positions than elements to place, fill all these positions
12941   if (num_free_positions < num_elements)
12942   {
12943     for (x = 0; x < lev_fieldx; x++)
12944       for (y = 0; y < lev_fieldy; y++)
12945         if (free_position[x][y])
12946           SetElement(x, y, new_element);
12947   }
12948   else
12949   {
12950     while (num_elements > 0)
12951     {
12952       x = GetSimpleRandom(lev_fieldx);
12953       y = GetSimpleRandom(lev_fieldy);
12954
12955       // don't place element at the same position twice
12956       if (free_position[x][y])
12957       {
12958         free_position[x][y] = FALSE;
12959         SetElement(x, y, new_element);
12960         num_elements--;
12961       }
12962     }
12963   }
12964
12965   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12966   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12967 }
12968
12969 static void WrapLevel(int dx, int dy)
12970 {
12971   int wrap_dx = lev_fieldx - dx;
12972   int wrap_dy = lev_fieldy - dy;
12973   int x, y;
12974
12975   for (x = 0; x < lev_fieldx; x++)
12976     for (y = 0; y < lev_fieldy; y++)
12977       TileBackup[x][y] = Tile[x][y];
12978
12979   for (x = 0; x < lev_fieldx; x++)
12980     for (y = 0; y < lev_fieldy; y++)
12981       Tile[x][y] =
12982         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12983
12984   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12985   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12986 }
12987
12988 static void DrawAreaElementHighlight(boolean highlighted)
12989 {
12990   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12991
12992   if (!highlighted)
12993     return;
12994
12995   int x, y;
12996
12997   for (x = 0; x < ed_fieldx; x++)
12998   {
12999     for (y = 0; y < ed_fieldy; y++)
13000     {
13001       int lx = x + level_xpos;
13002       int ly = y + level_ypos;
13003
13004       if (!IN_LEV_FIELD(lx, ly))
13005         continue;
13006
13007       if (Tile[lx][ly] != new_element1)
13008         continue;
13009
13010       int sx = SX + x * ed_tilesize;
13011       int sy = SY + y * ed_tilesize;
13012       int from_sx = sx;
13013       int from_sy = sy;
13014       int to_sx = sx + ed_tilesize - 1;
13015       int to_sy = sy + ed_tilesize - 1;
13016
13017       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13018       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13019       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13020       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13021     }
13022   }
13023 }
13024
13025 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
13026 {
13027   char *template_filename_old = getLocalLevelTemplateFilename();
13028   char *template_filename_new =
13029     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
13030
13031   if (copyFile(template_filename_old, template_filename_new) != 0)
13032     Request("Cannot copy level template!", REQ_CONFIRM);
13033
13034   free(template_filename_new);
13035 }
13036
13037 static void HandleDrawingAreas(struct GadgetInfo *gi)
13038 {
13039   static boolean started_inside_drawing_area = FALSE;
13040   static int last_sx = -1;
13041   static int last_sy = -1;
13042   static int last_sx2 = -1;
13043   static int last_sy2 = -1;
13044   int id = gi->custom_id;
13045   int type_id = gi->custom_type_id;
13046   boolean button_press_event;
13047   boolean button_release_event;
13048   boolean inside_drawing_area = !gi->event.off_borders;
13049   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
13050   int actual_drawing_function;
13051   int button = gi->event.button;
13052   int new_element = BUTTON_ELEMENT(button);
13053   int sx = gi->event.x, sy = gi->event.y;
13054   int min_sx = 0, min_sy = 0;
13055   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
13056   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
13057   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
13058   int sx2 = gi->event.mx / mini_item_xsize;
13059   int sy2 = gi->event.my / mini_item_ysize;
13060   int dx = sx2 % 2;
13061   int dy = sy2 % 2;
13062   int lx = 0, ly = 0;
13063   int x, y;
13064
13065   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
13066   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
13067
13068   // make sure to stay inside drawing area boundaries
13069   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13070   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13071
13072   if (draw_level)
13073   {
13074     int min_lx = 0, min_ly = 0;
13075     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13076
13077     // get positions inside level field
13078     lx = sx + level_xpos;
13079     ly = sy + level_ypos;
13080
13081     if (!IN_LEV_FIELD(lx, ly))
13082       inside_drawing_area = FALSE;
13083
13084     // make sure to stay inside level field boundaries
13085     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13086     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13087
13088     // correct drawing area positions accordingly
13089     sx = lx - level_xpos;
13090     sy = ly - level_ypos;
13091   }
13092
13093   // also correct MM wall-sized (double) drawing area positions accordingly
13094   if (sx2 / 2 < sx || sx2 / 2 > sx)
13095   {
13096     dx = (sx2 / 2 < sx ? 0 : 1);
13097     sx2 = sx * 2 + dx;
13098   }
13099   if (sy2 / 2 < sy || sy2 / 2 > sy)
13100   {
13101     dy = (sy2 / 2 < sy ? 0 : 1);
13102     sy2 = sy * 2 + dy;
13103   }
13104
13105   if (!button_press_event && !button_release_event)
13106   {
13107     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
13108     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13109                              isHiresTileElement(old_element) &&
13110                              isHiresDrawElement(new_element));
13111
13112     // prevent handling events for every pixel position when moving mouse
13113     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
13114         (sx2 == last_sx2 && sy2 == last_sy2))
13115       return;
13116   }
13117
13118   last_sx = sx;
13119   last_sy = sy;
13120   last_sx2 = sx2;
13121   last_sy2 = sy2;
13122
13123   if (button_press_event)
13124     started_inside_drawing_area = inside_drawing_area;
13125
13126   if (!started_inside_drawing_area)
13127     return;
13128
13129   if (!IS_VALID_BUTTON(button))
13130     return;
13131
13132   // handle info callback for each invocation of action callback
13133   gi->callback_info(gi);
13134
13135   // automatically switch to 'single item' drawing mode, if needed
13136   actual_drawing_function =
13137     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
13138      drawing_function : GADGET_ID_SINGLE_ITEMS);
13139
13140   // clicking into drawing area with pressed Control key picks element
13141   if (GetKeyModState() & KMOD_Control)
13142   {
13143     last_drawing_function = drawing_function;
13144     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13145   }
13146
13147   if (GetKeyModState() & KMOD_Shift)
13148   {
13149     if (button_press_event || button_release_event)
13150       ResetIntelliDraw();
13151   }
13152
13153   SetDrawModeHiRes(-1);         // reset to normal draw mode
13154
13155   switch (actual_drawing_function)
13156   {
13157     case GADGET_ID_SINGLE_ITEMS:
13158       if (draw_level)
13159       {
13160         if (button_release_event)
13161         {
13162           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13163
13164           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13165               !inside_drawing_area)
13166             DeleteBrushFromCursor();
13167
13168           break;
13169         }
13170
13171         if (draw_with_brush)
13172         {
13173           CopyBrushToLevel(sx, sy, button);
13174         }
13175         else
13176         {
13177           SetDrawModeHiRes(new_element);
13178
13179           if (IS_PLAYER_ELEMENT(new_element))
13180           {
13181             // remove player at old position
13182             for (y = 0; y < lev_fieldy; y++)
13183             {
13184               for (x = 0; x < lev_fieldx; x++)
13185               {
13186                 int old_element = Tile[x][y];
13187
13188                 if (IS_PLAYER_ELEMENT(old_element))
13189                 {
13190                   int replaced_with_element =
13191                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13192                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13193
13194                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13195                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13196
13197                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13198                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13199
13200                      new_element >= EL_PLAYER_1 &&
13201                      new_element <= EL_PLAYER_4 &&
13202                      new_element == old_element ? EL_EMPTY :
13203
13204                      old_element);
13205
13206                   SetElement(x, y, replaced_with_element);
13207                 }
13208               }
13209             }
13210           }
13211
13212           SetElementButton(lx, ly, dx, dy, new_element, button);
13213         }
13214       }
13215       else if (!button_release_event)
13216       {
13217         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13218
13219         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13220           DrawMiniGraphicExt(drawto,
13221                              gi->x + sx * MINI_TILEX,
13222                              gi->y + sy * MINI_TILEY,
13223                              el2edimg(new_element));
13224         else
13225           DrawFixedGraphicExt(drawto,
13226                               gi->x + sx * TILEX,
13227                               gi->y + sy * TILEY,
13228                               el2edimg(new_element), 0);
13229
13230         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13231           new_element = GFX_ELEMENT(new_element);
13232
13233         drawingarea_info[type_id].value[pos] = new_element;
13234
13235         CopyElementPropertiesToGame(properties_element);
13236
13237         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13238         {
13239           UpdateCustomElementGraphicGadgets();
13240
13241           FrameCounter = 0;     // restart animation frame counter
13242         }
13243       }
13244       break;
13245
13246     case GADGET_ID_CONNECTED_ITEMS:
13247       {
13248         static int last_sx = -1;
13249         static int last_sy = -1;
13250
13251         if (button_release_event)
13252           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13253
13254         SetDrawModeHiRes(new_element);
13255
13256         if (getDrawModeHiRes())
13257         {
13258           sx = sx2;
13259           sy = sy2;
13260         }
13261
13262         if (!button_press_event)
13263           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13264
13265         last_sx = sx;
13266         last_sy = sy;
13267       }
13268       break;
13269
13270     case GADGET_ID_LINE:
13271     case GADGET_ID_ARC:
13272     case GADGET_ID_RECTANGLE:
13273     case GADGET_ID_FILLED_BOX:
13274       SetDrawModeHiRes(new_element);
13275
13276       if (getDrawModeHiRes())
13277       {
13278         sx = sx2;
13279         sy = sy2;
13280       }
13281       // FALLTHROUGH
13282     case GADGET_ID_GRAB_BRUSH:
13283     case GADGET_ID_TEXT:
13284       {
13285         static int last_sx = -1;
13286         static int last_sy = -1;
13287         static int start_sx = -1;
13288         static int start_sy = -1;
13289         void (*draw_func)(int, int, int, int, int, boolean);
13290
13291         if (drawing_function == GADGET_ID_LINE)
13292           draw_func = DrawLine;
13293         else if (drawing_function == GADGET_ID_ARC)
13294           draw_func = DrawArc;
13295         else if (drawing_function == GADGET_ID_RECTANGLE)
13296           draw_func = DrawBox;
13297         else if (drawing_function == GADGET_ID_FILLED_BOX)
13298           draw_func = DrawFilledBox;
13299         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13300           draw_func = SelectArea;
13301         else // (drawing_function == GADGET_ID_TEXT)
13302           draw_func = SetTextCursor;
13303
13304         if (button_press_event)
13305         {
13306           draw_func(sx, sy, sx, sy, new_element, FALSE);
13307           start_sx = last_sx = sx;
13308           start_sy = last_sy = sy;
13309
13310           if (drawing_function == GADGET_ID_TEXT)
13311             DrawLevelText(0, 0, 0, TEXT_END);
13312         }
13313         else if (button_release_event)
13314         {
13315           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13316           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13317           {
13318             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13319             CopyBrushToCursor(sx, sy);
13320             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13321                           MB_LEFTBUTTON);
13322             draw_with_brush = TRUE;
13323           }
13324           else if (drawing_function == GADGET_ID_TEXT)
13325             DrawLevelText(sx, sy, 0, TEXT_INIT);
13326           else
13327             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13328         }
13329         else if (last_sx != sx || last_sy != sy)
13330         {
13331           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13332           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13333             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13334           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13335           last_sx = sx;
13336           last_sy = sy;
13337         }
13338       }
13339       break;
13340
13341     case GADGET_ID_FLOOD_FILL:
13342       if (button_press_event && Tile[lx][ly] != new_element)
13343       {
13344         if (IS_MM_WALL_EDITOR(new_element))
13345           FloodFillWall_MM(sx2, sy2, new_element);
13346         else
13347           FloodFill(lx, ly, new_element);
13348
13349         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13350         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13351       }
13352       break;
13353
13354     case GADGET_ID_PICK_ELEMENT:
13355       if (button_release_event)
13356         ClickOnGadget(level_editor_gadget[last_drawing_function],
13357                       MB_LEFTBUTTON);
13358       else if (draw_level)
13359         PickDrawingElement(button, Tile[lx][ly]);
13360       else
13361       {
13362         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13363
13364         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13365       }
13366
13367     default:
13368       break;
13369   }
13370
13371   // do not mark level as modified for certain non-level-changing gadgets
13372   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13373        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13374       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13375       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13376     return;
13377
13378   level.changed = TRUE;
13379 }
13380
13381 static void HandleCounterButtons(struct GadgetInfo *gi)
13382 {
13383   int gadget_id = gi->custom_id;
13384   int counter_id = gi->custom_type_id;
13385   int button = gi->event.button;
13386   int *counter_value = counterbutton_info[counter_id].value;
13387   int step = BUTTON_STEPSIZE(button) *
13388     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13389
13390   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13391   {
13392     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13393     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13394     boolean level_changed = LevelChanged();
13395
13396     if ((level_changed && pressed) || (!level_changed && released))
13397       return;
13398
13399     if (level_changed && !Request("Level has changed! Discard changes?",
13400                                   REQ_ASK))
13401     {
13402       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13403         ModifyEditorCounterValue(counter_id, *counter_value);
13404
13405       return;
13406     }
13407   }
13408
13409   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13410     *counter_value = gi->textinput.number_value;
13411   else
13412     ModifyEditorCounterValue(counter_id, *counter_value + step);
13413
13414   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13415   {
13416     int last_game_engine_type = level.game_engine_type;
13417
13418     LoadLevel(level_nr);
13419     LoadScore(level_nr);
13420
13421     SaveLevelSetup_SeriesInfo();
13422
13423     TapeErase();
13424
13425     ResetUndoBuffer();
13426     DrawEditModeWindow();
13427
13428     if (level.game_engine_type != last_game_engine_type)
13429     {
13430       // update element selection list
13431       ReinitializeElementList();
13432       ModifyEditorElementList();
13433     }
13434
13435     return;
13436   }
13437
13438   switch (counter_id)
13439   {
13440     case ED_COUNTER_ID_YAMYAM_CONTENT:
13441       DrawYamYamContentAreas();
13442       break;
13443
13444     case ED_COUNTER_ID_BALL_CONTENT:
13445       DrawMagicBallContentAreas();
13446       break;
13447
13448     case ED_COUNTER_ID_ANDROID_CONTENT:
13449       DrawAndroidElementArea();
13450       break;
13451
13452     case ED_COUNTER_ID_GROUP_CONTENT:
13453       DrawGroupElementArea();
13454       CopyGroupElementPropertiesToGame(properties_element);
13455       break;
13456
13457     case ED_COUNTER_ID_INVENTORY_SIZE:
13458       DrawPlayerInitialInventoryArea(properties_element);
13459       break;
13460
13461     case ED_COUNTER_ID_MM_BALL_CONTENT:
13462       DrawMMBallContentArea();
13463       break;
13464
13465     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13466     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13467       DrawEnvelopeTextArea(-1);
13468       break;
13469
13470     case ED_COUNTER_ID_LEVEL_XSIZE:
13471     case ED_COUNTER_ID_LEVEL_YSIZE:
13472       lev_fieldx = level.fieldx;
13473       lev_fieldy = level.fieldy;
13474
13475       // check if resizing of level results in change of border border
13476       SetBorderElement();
13477
13478       break;
13479
13480     default:
13481       break;
13482   }
13483
13484   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13485        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13486       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13487        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13488     CopyElementPropertiesToGame(properties_element);
13489
13490   // do not mark level as modified for certain non-level-changing gadgets
13491   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13492        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13493       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13494        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13495     return;
13496
13497   level.changed = TRUE;
13498 }
13499
13500 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13501 {
13502   int type_id = gi->custom_type_id;
13503
13504   strcpy(textinput_info[type_id].value, gi->textinput.value);
13505
13506   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13507   {
13508     CopyElementPropertiesToGame(properties_element);
13509
13510     ModifyEditorElementList();  // update changed button info text
13511   }
13512
13513   // do not mark level as modified for certain non-level-changing gadgets
13514   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13515       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13516     return;
13517
13518   level.changed = TRUE;
13519 }
13520
13521 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13522 {
13523   int type_id = gi->custom_type_id;
13524
13525   strncpy(textarea_info[type_id].value, gi->textarea.value,
13526           MAX_ENVELOPE_TEXT_LEN);
13527   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13528
13529   level.changed = TRUE;
13530 }
13531
13532 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13533 {
13534   int type_id = gi->custom_type_id;
13535   int value_old = *selectbox_info[type_id].value;
13536   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13537
13538   *selectbox_info[type_id].value = value_new;
13539
13540   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13541   {
13542     DrawLevelInfoWindow();
13543   }
13544   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13545   {
13546     element_info[properties_element].current_change_page = gi->selectbox.index;
13547
13548     DrawPropertiesWindow();
13549   }
13550   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13551             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13552            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13553             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13554            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13555   {
13556     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13557     {
13558       // when changing action type, also check action mode and action arg
13559       if (value_old != value_new)
13560         setSelectboxSpecialActionVariablesIfNeeded();
13561
13562       DrawPropertiesChange();
13563     }
13564
13565     CopyElementPropertiesToGame(properties_element);
13566   }
13567   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13568   {
13569     // update element selection list
13570     ReinitializeElementList();
13571     ModifyEditorElementList();
13572   }
13573
13574   // do not mark level as modified for certain non-level-changing gadgets
13575   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13576       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13577     return;
13578
13579   level.changed = TRUE;
13580 }
13581
13582 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13583 {
13584   int type_id = gi->custom_type_id;
13585   int i;
13586
13587   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13588       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13589   {
13590     edit_mode_levelinfo = gi->custom_type_id;
13591
13592     DrawLevelInfoWindow();
13593   }
13594   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13595            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13596   {
13597     edit_mode_properties = gi->custom_type_id;
13598
13599     DrawPropertiesWindow();
13600   }
13601   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13602            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13603   {
13604     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13605
13606     // backup original "level.field" (needed to track playfield changes)
13607     CopyPlayfield(level.field, TileBackup);
13608
13609     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13610     CopyPlayfield(Tile, level.field);
13611
13612     if (new_template ||
13613         Request("Save this template and kill the old?", REQ_ASK))
13614       SaveLevelTemplate();
13615
13616     if (new_template)
13617       Request("Template saved!", REQ_CONFIRM);
13618
13619     // restore original "level.field" (needed to track playfield changes)
13620     CopyPlayfield(TileBackup, level.field);
13621   }
13622   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13623   {
13624     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13625
13626     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13627         leveldir_current->readonly)
13628     {
13629       Request("This level set is read-only!", REQ_CONFIRM);
13630
13631       return;
13632     }
13633
13634     if (strEqual(levelset_name, ""))
13635     {
13636       Request("Please enter level set title!", REQ_CONFIRM);
13637
13638       return;
13639     }
13640
13641     if (strEqual(levelset_author, ""))
13642     {
13643       Request("Please enter level set author!", REQ_CONFIRM);
13644
13645       return;
13646     }
13647
13648     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13649     {
13650       if (UpdateUserLevelSet(levelset_subdir,
13651                              levelset_name,
13652                              levelset_author,
13653                              levelset_num_levels))
13654       {
13655         Request("Level set updated!", REQ_CONFIRM);
13656       }
13657       else
13658       {
13659         Request("Updating level set failed!", REQ_CONFIRM);
13660       }
13661     }
13662     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13663     {
13664       if (level.changed && !Request("Level has changed! Discard changes?",
13665                                      REQ_ASK))
13666         return;
13667
13668       if (CreateUserLevelSet(levelset_subdir,
13669                              levelset_name,
13670                              levelset_author,
13671                              levelset_num_levels,
13672                              levelset_use_levelset_artwork))
13673       {
13674         if (levelset_copy_level_template)
13675           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13676
13677         Request("New level set created!", REQ_CONFIRM);
13678
13679         AddUserLevelSetToLevelInfo(levelset_subdir);
13680         ChangeEditorToLevelSet(levelset_subdir);
13681       }
13682       else
13683       {
13684         Request("Creating new level set failed!", REQ_CONFIRM);
13685       }
13686     }
13687   }
13688   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13689            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13690   {
13691     struct ElementInfo *ei = &element_info[properties_element];
13692
13693     // when modifying custom element, ask for copying level template
13694     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13695       return;
13696
13697     setElementChangePages(ei, ei->num_change_pages + 1);
13698
13699     // set new change page to be new current change page
13700     ei->current_change_page = ei->num_change_pages - 1;
13701     ei->change = &ei->change_page[ei->current_change_page];
13702
13703     setElementChangeInfoToDefaults(ei->change);
13704
13705     DrawPropertiesWindow();
13706
13707     level.changed = TRUE;
13708   }
13709   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13710            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13711   {
13712     struct ElementInfo *ei = &element_info[properties_element];
13713
13714     // when modifying custom element, ask for copying level template
13715     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13716       return;
13717
13718     // copy all change pages after change page to be deleted
13719     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13720       ei->change_page[i] = ei->change_page[i + 1];
13721
13722     setElementChangePages(ei, ei->num_change_pages - 1);
13723
13724     DrawPropertiesWindow();
13725
13726     level.changed = TRUE;
13727   }
13728 }
13729
13730 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13731 {
13732   int type_id = gi->custom_type_id;
13733
13734   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13735       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13736   {
13737     struct ElementInfo *ei = &element_info[properties_element];
13738     int step = BUTTON_STEPSIZE(gi->event.button);
13739
13740     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13741     ei->current_change_page += step;
13742
13743     if (ei->current_change_page < 0)
13744       ei->current_change_page = 0;
13745     else if (ei->current_change_page >= ei->num_change_pages)
13746       ei->current_change_page = ei->num_change_pages - 1;
13747
13748     DrawPropertiesWindow();
13749   }
13750   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13751            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13752   {
13753     struct ElementInfo *ei = &element_info[properties_element];
13754     int current_change_page = ei->current_change_page;
13755
13756     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13757     {
13758       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13759         ei->change_page[current_change_page];
13760     }
13761     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13762     {
13763       // when modifying custom element, ask for copying level template
13764       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13765         return;
13766
13767       ei->change_page[current_change_page] =
13768         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13769
13770       level.changed = TRUE;
13771     }
13772
13773     DrawPropertiesWindow();
13774   }
13775 }
13776
13777 static void HandleRadiobuttons(struct GadgetInfo *gi)
13778 {
13779   int type_id = gi->custom_type_id;
13780
13781   *radiobutton_info[type_id].value =
13782     radiobutton_info[type_id].checked_value;
13783
13784   // do not mark level as modified for certain non-level-changing gadgets
13785   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13786       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13787     return;
13788
13789   level.changed = TRUE;
13790 }
13791
13792 static void HandleCheckbuttons(struct GadgetInfo *gi)
13793 {
13794   int type_id = gi->custom_type_id;
13795
13796   *checkbutton_info[type_id].value ^= TRUE;
13797
13798   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13799       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13800       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13801       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13802          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13803         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13804          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13805        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13806   {
13807     CopyElementPropertiesToGame(properties_element);
13808   }
13809
13810   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13811   {
13812     UpdateCustomElementGraphicGadgets();
13813   }
13814   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13815            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13816   {
13817     boolean template_related_changes_found = FALSE;
13818     int i;
13819
13820     // check if any custom, group or empty elements have been changed
13821     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13822       if ((IS_CUSTOM_ELEMENT(i) ||
13823            IS_GROUP_ELEMENT(i) ||
13824            IS_EMPTY_ELEMENT(i)) &&
13825           element_info[i].modified_settings)
13826         template_related_changes_found = TRUE;
13827
13828     if (level.use_custom_template &&
13829         !fileExists(getGlobalLevelTemplateFilename()))
13830     {
13831       Request("No level template found!", REQ_CONFIRM);
13832
13833       level.use_custom_template = FALSE;
13834
13835       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13836
13837       return;
13838     }
13839
13840     if (level.use_custom_template &&
13841         template_related_changes_found &&
13842         !Request("Discard changes and use level template?", REQ_ASK))
13843     {
13844       level.use_custom_template = FALSE;
13845
13846       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13847
13848       return;
13849     }
13850
13851     if (!level.use_custom_template &&
13852         Request("Copy settings from level template?", REQ_ASK))
13853     {
13854       return;
13855     }
13856
13857     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13858
13859     DrawEditModeWindow();
13860   }
13861   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13862   {
13863     if (setup.editor.use_template_for_new_levels &&
13864         !fileExists(getGlobalLevelTemplateFilename()))
13865     {
13866       Request("No level template found!", REQ_CONFIRM);
13867
13868       return;
13869     }
13870
13871     if (setup.editor.use_template_for_new_levels &&
13872         level.changed &&
13873         !Request("Discard level and load template?", REQ_ASK))
13874     {
13875       return;
13876     }
13877
13878     if (!setup.editor.use_template_for_new_levels &&
13879         level.changed &&
13880         !Request("Discard level and use empty level?", REQ_ASK))
13881     {
13882       return;
13883     }
13884
13885     LoadLevel(level_nr);
13886     LoadScore(level_nr);
13887
13888     TapeErase();
13889
13890     ResetUndoBuffer();
13891     DrawEditModeWindow();
13892   }
13893   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13894   {
13895     SetAutomaticNumberOfGemsNeeded();
13896   }
13897
13898   // do not mark level as modified for certain non-level-changing gadgets
13899   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13900        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13901       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13902        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13903        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13904       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13905     return;
13906
13907   level.changed = TRUE;
13908 }
13909
13910 static void HandleControlButtons(struct GadgetInfo *gi)
13911 {
13912   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13913   static int last_edit_mode = ED_MODE_DRAWING;
13914   static int last_custom_copy_mode = -1;
13915   static int last_button = 0;
13916   int id = gi->custom_id;
13917   int button = gi->event.button;
13918   int step = BUTTON_STEPSIZE(button);
13919   int new_element = BUTTON_ELEMENT(button);
13920   int last_properties_element = properties_element;
13921   int x, y;
13922
13923   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13924     DrawLevelText(0, 0, 0, TEXT_END);
13925
13926   if (id < ED_NUM_CTRL1_BUTTONS &&
13927       id != GADGET_ID_SINGLE_ITEMS &&
13928       id != GADGET_ID_PICK_ELEMENT &&
13929       edit_mode != ED_MODE_DRAWING &&
13930       drawing_function != GADGET_ID_PICK_ELEMENT &&
13931       !(GetKeyModState() & KMOD_Control))
13932     ChangeEditModeWindow(ED_MODE_DRAWING);
13933
13934   // element copy mode active, but no element button pressed => deactivate
13935   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13936     last_custom_copy_mode = -1;
13937
13938   // when showing palette on element buttons, change element of button used
13939   if (editor.palette.show_on_element_buttons &&
13940       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13941   {
13942     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13943
13944     id = GADGET_ID_PALETTE;
13945   }
13946
13947   switch (id)
13948   {
13949     case GADGET_ID_SCROLL_LEFT:
13950       if (level_xpos >= 0)
13951       {
13952         if (lev_fieldx < ed_fieldx - 2)
13953           break;
13954
13955         level_xpos -= step;
13956         if (level_xpos < -1)
13957           level_xpos = -1;
13958         if (button == 1)
13959           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13960         else
13961           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13962
13963         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13964                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13965       }
13966       break;
13967
13968     case GADGET_ID_SCROLL_RIGHT:
13969       if (level_xpos <= lev_fieldx - ed_fieldx)
13970       {
13971         if (lev_fieldx < ed_fieldx - 2)
13972           break;
13973
13974         level_xpos += step;
13975         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13976           level_xpos = lev_fieldx - ed_fieldx + 1;
13977         if (button == 1)
13978           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13979         else
13980           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13981
13982         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13983                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13984       }
13985       break;
13986
13987     case GADGET_ID_SCROLL_UP:
13988       if (level_ypos >= 0)
13989       {
13990         if (lev_fieldy < ed_fieldy - 2)
13991           break;
13992
13993         level_ypos -= step;
13994         if (level_ypos < -1)
13995           level_ypos = -1;
13996         if (button == 1)
13997           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13998         else
13999           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14000
14001         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14002                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14003       }
14004       break;
14005
14006     case GADGET_ID_SCROLL_DOWN:
14007       if (level_ypos <= lev_fieldy - ed_fieldy)
14008       {
14009         if (lev_fieldy < ed_fieldy - 2)
14010           break;
14011
14012         level_ypos += step;
14013         if (level_ypos > lev_fieldy - ed_fieldy + 1)
14014           level_ypos = lev_fieldy - ed_fieldy + 1;
14015         if (button == 1)
14016           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
14017         else
14018           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14019
14020         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14021                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14022       }
14023       break;
14024
14025     case GADGET_ID_SCROLL_HORIZONTAL:
14026       level_xpos = gi->event.item_position - 1;
14027
14028       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14029       BackToFront();
14030
14031       break;
14032
14033     case GADGET_ID_SCROLL_VERTICAL:
14034       level_ypos = gi->event.item_position - 1;
14035
14036       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14037       BackToFront();
14038
14039       break;
14040
14041     case GADGET_ID_SCROLL_LIST_UP:
14042     case GADGET_ID_SCROLL_LIST_DOWN:
14043     case GADGET_ID_SCROLL_LIST_VERTICAL:
14044       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
14045         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
14046       else
14047       {
14048         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
14049         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14050
14051         if (element_shift < 0)
14052           element_shift = 0;
14053         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14054           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14055
14056         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14057                      GDI_SCROLLBAR_ITEM_POSITION,
14058                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14059       }
14060
14061       ModifyEditorElementList();
14062
14063       break;
14064
14065     case GADGET_ID_PROPERTIES:
14066       // always switch off element properties when they are already displayed
14067       last_properties_element = new_element;
14068     case GADGET_ID_ELEMENT_LEFT:
14069     case GADGET_ID_ELEMENT_MIDDLE:
14070     case GADGET_ID_ELEMENT_RIGHT:
14071       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
14072                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
14073                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
14074                             new_element);
14075
14076       if (edit_mode != ED_MODE_PROPERTIES)
14077       {
14078         last_edit_mode = edit_mode;
14079
14080         ChangeEditModeWindow(ED_MODE_PROPERTIES);
14081
14082         last_level_drawing_function = drawing_function;
14083         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14084                       MB_LEFTBUTTON);
14085       }
14086       else if (properties_element != last_properties_element)
14087       {
14088         DrawEditModeWindow();
14089       }
14090       else
14091       {
14092         ChangeEditModeWindow(ED_MODE_DRAWING);
14093
14094         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
14095                       MB_LEFTBUTTON);
14096       }
14097       break;
14098
14099     case GADGET_ID_PALETTE:
14100       if (edit_mode != ED_MODE_PALETTE)
14101       {
14102         last_edit_mode = edit_mode;
14103
14104         ChangeEditModeWindow(ED_MODE_PALETTE);
14105       }
14106       else
14107       {
14108         ChangeEditModeWindow(last_edit_mode);
14109       }
14110       break;
14111
14112     case GADGET_ID_WRAP_LEFT:
14113       WrapLevel(-step, 0);
14114       break;
14115
14116     case GADGET_ID_WRAP_RIGHT:
14117       WrapLevel(step, 0);
14118       break;
14119
14120     case GADGET_ID_WRAP_UP:
14121       WrapLevel(0, -step);
14122       break;
14123
14124     case GADGET_ID_WRAP_DOWN:
14125       WrapLevel(0, step);
14126       break;
14127
14128     case GADGET_ID_SINGLE_ITEMS:
14129     case GADGET_ID_CONNECTED_ITEMS:
14130     case GADGET_ID_LINE:
14131     case GADGET_ID_ARC:
14132     case GADGET_ID_TEXT:
14133     case GADGET_ID_RECTANGLE:
14134     case GADGET_ID_FILLED_BOX:
14135     case GADGET_ID_FLOOD_FILL:
14136     case GADGET_ID_GRAB_BRUSH:
14137     case GADGET_ID_PICK_ELEMENT:
14138       if (drawing_function != GADGET_ID_PICK_ELEMENT)
14139         last_drawing_function = drawing_function;
14140       drawing_function = id;
14141       draw_with_brush = FALSE;
14142       break;
14143
14144     case GADGET_ID_RANDOM_PLACEMENT:
14145       RandomPlacement(new_element);
14146       break;
14147
14148     case GADGET_ID_ZOOM:
14149       // zoom level editor tile size in or out (or reset to default size)
14150       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
14151                      button == 2 ? ed_tilesize_default :
14152                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
14153
14154       // when using touch device, cycle through all zoom tilesizes
14155       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
14156         ed_tilesize = MICRO_TILESIZE;
14157
14158       // limit zoom level by upper and lower bound
14159       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
14160
14161       InitZoomLevelSettings(ed_tilesize);
14162
14163       if (edit_mode == ED_MODE_DRAWING)
14164       {
14165         DrawDrawingWindow();
14166
14167         // redraw zoom gadget info text
14168         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14169       }
14170
14171       // save current editor zoom tilesize
14172       SaveSetup_AutoSetup();
14173
14174       break;
14175
14176     case GADGET_ID_CUSTOM_COPY_FROM:
14177     case GADGET_ID_CUSTOM_COPY_TO:
14178     case GADGET_ID_CUSTOM_EXCHANGE:
14179       last_custom_copy_mode = id;
14180       last_drawing_function = drawing_function;
14181       break;
14182
14183     case GADGET_ID_CUSTOM_COPY:
14184       CopyCustomElement(properties_element, -1, id);
14185       break;
14186
14187     case GADGET_ID_CUSTOM_PASTE:
14188       CopyCustomElement(-1, properties_element, id);
14189       break;
14190
14191     case GADGET_ID_UNDO:
14192       if (button < 0)   // keep button value (even if modifier keys are pressed)
14193         button = -button;
14194       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14195         button = 3;
14196
14197       if (button == 1 && undo_buffer_steps == 0)
14198       {
14199         Request("Undo buffer empty!", REQ_CONFIRM);
14200
14201         break;
14202       }
14203       else if (button == 2)
14204       {
14205         break;
14206       }
14207       else if (button == 3 && redo_buffer_steps == 0)
14208       {
14209         Request("Redo buffer empty!", REQ_CONFIRM);
14210
14211         break;
14212       }
14213
14214       if (edit_mode != ED_MODE_DRAWING)
14215         ChangeEditModeWindow(ED_MODE_DRAWING);
14216
14217       if (button == 1)
14218       {
14219         // undo
14220
14221         undo_buffer_position =
14222           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14223
14224         undo_buffer_steps--;
14225         redo_buffer_steps++;
14226       }
14227       else
14228       {
14229         // redo
14230
14231         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14232
14233         undo_buffer_steps++;
14234         redo_buffer_steps--;
14235       }
14236
14237       for (x = 0; x < lev_fieldx; x++)
14238         for (y = 0; y < lev_fieldy; y++)
14239           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14240
14241       // check if undo operation forces change of border style
14242       CheckLevelBorderElement(FALSE);
14243
14244       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14245
14246       break;
14247
14248     case GADGET_ID_INFO:
14249       if (edit_mode != ED_MODE_INFO)
14250       {
14251         last_edit_mode = edit_mode;
14252
14253         ChangeEditModeWindow(ED_MODE_INFO);
14254       }
14255       else
14256       {
14257         ChangeEditModeWindow(ED_MODE_DRAWING);
14258       }
14259       break;
14260
14261     case GADGET_ID_CLEAR:
14262       if (edit_mode != ED_MODE_DRAWING)
14263         ChangeEditModeWindow(ED_MODE_DRAWING);
14264
14265       for (x = 0; x < MAX_LEV_FIELDX; x++)
14266         for (y = 0; y < MAX_LEV_FIELDY; y++)
14267           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14268
14269       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14270
14271       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14272       break;
14273
14274     case GADGET_ID_SAVE:
14275     {
14276       // saving read-only levels into personal level set modifies global vars
14277       // "leveldir_current" and "level_nr"; restore them after saving level
14278       LevelDirTree *leveldir_former = leveldir_current;
14279       int level_nr_former = level_nr;
14280       char *level_filename;
14281       boolean new_level;
14282
14283       if (leveldir_current->readonly &&
14284           !PrepareSavingIntoPersonalLevelSet())
14285         break;
14286
14287       level_filename = getDefaultLevelFilename(level_nr);
14288       new_level = !fileExists(level_filename);
14289
14290       if (new_level ||
14291           Request("Save this level and kill the old?", REQ_ASK))
14292       {
14293         if (leveldir_former->readonly)
14294           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14295
14296         SetAutomaticNumberOfGemsNeeded();
14297
14298         CopyPlayfield(Tile, level.field);
14299         SaveLevel(level_nr);
14300
14301         level.changed = FALSE;
14302
14303         if (new_level)
14304         {
14305           char level_saved_msg[64];
14306
14307           if (leveldir_former->readonly)
14308             sprintf(level_saved_msg,
14309                     "Level saved as level %d into personal level set!",
14310                     level_nr);
14311           else
14312             strcpy(level_saved_msg, "Level saved!");
14313
14314           Request(level_saved_msg, REQ_CONFIRM);
14315         }
14316       }
14317
14318       // "cd" back to copied-from levelset (in case of saved read-only level)
14319       leveldir_current = leveldir_former;
14320       level_nr = level_nr_former;
14321
14322       break;
14323     }
14324
14325     case GADGET_ID_TEST:
14326       if (LevelChanged())
14327         level.game_version = GAME_VERSION_ACTUAL;
14328
14329       CopyPlayfield(level.field, TileBackup);
14330       CopyPlayfield(Tile, level.field);
14331
14332       CopyNativeLevel_RND_to_Native(&level);
14333
14334       UnmapLevelEditorGadgets();
14335       UndrawSpecialEditorDoor();
14336
14337       CloseDoor(DOOR_CLOSE_ALL);
14338
14339       // needed before playing if editor playfield area has different size
14340       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14341
14342       // redraw_mask = REDRAW_ALL;
14343
14344       level_editor_test_game = TRUE;
14345
14346       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14347
14348       break;
14349
14350     case GADGET_ID_EXIT:
14351       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14352       break;
14353
14354     default:
14355       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14356           id <= GADGET_ID_ELEMENTLIST_LAST)
14357       {
14358         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14359
14360         new_element = editor_elements[element_position + element_shift];
14361
14362         if (IS_EDITOR_CASCADE(new_element))
14363         {
14364           int i;
14365
14366           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14367           {
14368             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14369             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14370
14371             if (*cascade_element == new_element)
14372             {
14373               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14374               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14375
14376               // update element selection list
14377               ReinitializeElementList();
14378               ModifyEditorElementList();
14379
14380               // update cascading gadget info text
14381               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14382
14383               // save current editor cascading state
14384               SaveSetup_EditorCascade();
14385
14386               break;
14387             }
14388           }
14389
14390           break;
14391         }
14392
14393         if (last_custom_copy_mode != -1)
14394         {
14395           if (CopyCustomElement(properties_element, new_element,
14396                                 last_custom_copy_mode))
14397           {
14398             ClickOnGadget(level_editor_gadget[last_drawing_function],
14399                           MB_LEFTBUTTON);
14400
14401             last_custom_copy_mode = -1;
14402           }
14403
14404           break;
14405         }
14406
14407         // change element of button used to show palette
14408         if (editor.palette.show_on_element_buttons)
14409           button = last_button;
14410
14411         PickDrawingElement(button, new_element);
14412
14413         if (!stick_element_properties_window &&
14414             drawing_function != GADGET_ID_PICK_ELEMENT &&
14415             !(GetKeyModState() & KMOD_Control))
14416         {
14417           properties_element = new_element;
14418           if (edit_mode == ED_MODE_PROPERTIES)
14419             DrawPropertiesWindow();
14420         }
14421
14422         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14423           ClickOnGadget(level_editor_gadget[last_drawing_function],
14424                         MB_LEFTBUTTON);
14425
14426         if (!use_permanent_palette)
14427           ChangeEditModeWindow(last_edit_mode);
14428       }
14429 #ifdef DEBUG
14430       else if (gi->event.type == GD_EVENT_PRESSED)
14431         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14432       else if (gi->event.type == GD_EVENT_RELEASED)
14433         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14434       else if (gi->event.type == GD_EVENT_MOVING)
14435         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14436       else
14437         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14438 #endif
14439       break;
14440   }
14441 }
14442
14443 void HandleLevelEditorKeyInput(Key key)
14444 {
14445   char letter = getCharFromKey(key);
14446
14447   if (drawing_function == GADGET_ID_TEXT &&
14448       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14449   {
14450     if (letter)
14451       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14452     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14453       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14454     else if (key == KSYM_Return)
14455       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14456     else if (key == KSYM_Escape)
14457       DrawLevelText(0, 0, 0, TEXT_END);
14458
14459     return;
14460   }
14461
14462   int id = GADGET_ID_NONE;
14463   int new_element_shift = element_shift;
14464   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14465   int button = MB_LEFTBUTTON;
14466   int i;
14467
14468   switch (key)
14469   {
14470     case KSYM_Left:
14471       id = GADGET_ID_SCROLL_LEFT;
14472       break;
14473     case KSYM_Right:
14474       id = GADGET_ID_SCROLL_RIGHT;
14475       break;
14476     case KSYM_Up:
14477       id = GADGET_ID_SCROLL_UP;
14478       break;
14479     case KSYM_Down:
14480       id = GADGET_ID_SCROLL_DOWN;
14481       break;
14482
14483     case KSYM_Page_Up:
14484     case KSYM_Page_Down:
14485       step *= (key == KSYM_Page_Up ? -1 : +1);
14486       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14487
14488       if (element_shift < 0)
14489         element_shift = 0;
14490       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14491         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14492
14493       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14494                    GDI_SCROLLBAR_ITEM_POSITION,
14495                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14496
14497       ModifyEditorElementList();
14498
14499       break;
14500
14501     case KSYM_Home:
14502     case KSYM_End:
14503       element_shift = (key == KSYM_Home ? 0 :
14504                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14505
14506       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14507                    GDI_SCROLLBAR_ITEM_POSITION,
14508                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14509
14510       ModifyEditorElementList();
14511
14512       break;
14513
14514     case KSYM_Insert:
14515     case KSYM_Delete:
14516
14517       // this is needed to prevent interference with running "True X-Mouse"
14518       if (GetKeyModStateFromEvents() & KMOD_Control)
14519         break;
14520
14521       // check for last or next editor cascade block in element list
14522       for (i = 0; i < num_editor_elements; i++)
14523       {
14524         if ((key == KSYM_Insert && i == element_shift) ||
14525             (key == KSYM_Delete && new_element_shift > element_shift))
14526           break;
14527
14528         // jump to next cascade block (or to start of element list)
14529         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14530           new_element_shift = i;
14531       }
14532
14533       if (i < num_editor_elements)
14534         element_shift = new_element_shift;
14535
14536       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14537         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14538
14539       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14540                    GDI_SCROLLBAR_ITEM_POSITION,
14541                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14542
14543       ModifyEditorElementList();
14544
14545       break;
14546
14547     case KSYM_Escape:
14548       if (edit_mode == ED_MODE_DRAWING)
14549         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14550       else if (edit_mode == ED_MODE_INFO)
14551         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14552       else if (edit_mode == ED_MODE_PROPERTIES)
14553         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14554       else if (edit_mode == ED_MODE_PALETTE)
14555         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14556       else              // should never happen
14557         ChangeEditModeWindow(ED_MODE_DRAWING);
14558
14559       break;
14560
14561     default:
14562       break;
14563   }
14564
14565   if (id != GADGET_ID_NONE)
14566     ClickOnGadget(level_editor_gadget[id], button);
14567   else if (letter == '1' || letter == '?')
14568     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14569   else if (letter == '2')
14570     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14571   else if (letter == '3')
14572     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14573   else if (letter == '.')
14574     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14575   else if (letter == 'U')
14576     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14577   else if (letter == '-' || key == KSYM_KP_Subtract)
14578     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14579   else if (letter == '0' || key == KSYM_KP_0)
14580     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14581   else if (letter == '+' || key == KSYM_KP_Add ||
14582            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14583     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14584   else if (key == KSYM_Return ||
14585            key == KSYM_space ||
14586            key == setup.shortcut.toggle_pause)
14587     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14588   else
14589     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14590       if (letter && letter == controlbutton_info[i].shortcut)
14591         if (!anyTextGadgetActive())
14592           ClickOnGadget(level_editor_gadget[i], button);
14593 }
14594
14595 static void HandleLevelEditorIdle_Properties(void)
14596 {
14597   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14598   int x = editor.settings.element_graphic.x + element_border;
14599   int y = editor.settings.element_graphic.y + element_border;
14600   static DelayCounter action_delay = { 0 };
14601   int i;
14602
14603   action_delay.value = GameFrameDelay;
14604
14605   if (!DelayReached(&action_delay))
14606     return;
14607
14608   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14609   {
14610     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14611
14612     if (gi->mapped && gi->active && gi->selectbox.open)
14613       return;
14614   }
14615
14616   DrawEditorElementAnimation(SX + x, SY + y);
14617
14618   redraw_mask |= REDRAW_FIELD;
14619
14620   FrameCounter++;       // increase animation frame counter
14621 }
14622
14623 static void HandleLevelEditorIdle_Drawing(void)
14624 {
14625   static boolean last_highlighted = FALSE;
14626   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14627
14628   if (highlighted != last_highlighted)
14629   {
14630     DrawAreaElementHighlight(highlighted);
14631
14632     last_highlighted = highlighted;
14633
14634     redraw_mask |= REDRAW_FIELD;
14635   }
14636 }
14637
14638 void HandleLevelEditorIdle(void)
14639 {
14640   if (edit_mode == ED_MODE_PROPERTIES)
14641     HandleLevelEditorIdle_Properties();
14642   else if (edit_mode == ED_MODE_DRAWING)
14643     HandleLevelEditorIdle_Drawing();
14644 }
14645
14646 static void ClearEditorGadgetInfoText(void)
14647 {
14648   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14649 }
14650
14651 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14652 {
14653   char infotext[MAX_OUTPUT_LINESIZE + 1];
14654   int max_infotext_len = getMaxInfoTextLength();
14655
14656   if (gi == NULL || strlen(gi->info_text) == 0)
14657     return;
14658
14659   strncpy(infotext, gi->info_text, max_infotext_len);
14660   infotext[max_infotext_len] = '\0';
14661
14662   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14663   {
14664     int key = controlbutton_info[gi->custom_id].shortcut;
14665
14666     if (key)
14667     {
14668       char shortcut[MAX_OUTPUT_LINESIZE + 1];
14669
14670       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14671         sprintf(shortcut, " ('.' or '%c')", key);
14672       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14673         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14674       else if (gi->custom_id == GADGET_ID_TEST)
14675         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14676       else if (gi->custom_id == GADGET_ID_UNDO)
14677         sprintf(shortcut, " ('%c/Shift-U')", key);
14678       else if (gi->custom_id == GADGET_ID_ZOOM)
14679         sprintf(shortcut, " ('%c', '0', '-')", key);
14680       else
14681         sprintf(shortcut, " ('%s%c')",
14682                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14683
14684       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14685         strcat(infotext, shortcut);
14686     }
14687   }
14688
14689   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14690 }
14691
14692 void HandleEditorGadgetInfoText(void *ptr)
14693 {
14694   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14695
14696   if (game_status != GAME_MODE_EDITOR)
14697     return;
14698
14699   ClearEditorGadgetInfoText();
14700
14701   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14702     return;
14703
14704   // misuse this function to delete brush cursor, if needed
14705   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14706     DeleteBrushFromCursor();
14707
14708   PrintEditorGadgetInfoText(gi);
14709 }
14710
14711 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14712 {
14713   int id = gi->custom_id;
14714   int type_id = gi->custom_type_id;
14715   int sx = gi->event.x;
14716   int sy = gi->event.y;
14717   int lx = sx + level_xpos;
14718   int ly = sy + level_ypos;
14719   int min_sx = 0, min_sy = 0;
14720   int max_sx = gi->drawing.area_xsize - 1;
14721   int max_sy = gi->drawing.area_ysize - 1;
14722   int actual_drawing_function = drawing_function;
14723   int max_infotext_len = getMaxInfoTextLength();
14724   char infotext[MAX_OUTPUT_LINESIZE + 1];
14725
14726   infotext[0] = '\0';           // start with empty info text
14727
14728   // pressed Control key: simulate picking element
14729   if (GetKeyModState() & KMOD_Control)
14730     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14731
14732   ClearEditorGadgetInfoText();
14733
14734   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14735     return;
14736
14737   // make sure to stay inside drawing area boundaries
14738   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14739   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14740
14741   if (id == GADGET_ID_DRAWING_LEVEL)
14742   {
14743     if (button_status)
14744     {
14745       int min_lx = 0, min_ly = 0;
14746       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14747
14748       // get positions inside level field
14749       lx = sx + level_xpos;
14750       ly = sy + level_ypos;
14751
14752       // make sure to stay inside level field boundaries
14753       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14754       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14755
14756       // correct drawing area positions accordingly
14757       sx = lx - level_xpos;
14758       sy = ly - level_ypos;
14759     }
14760
14761     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14762     {
14763       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14764       {
14765         static int start_lx = 0;
14766         static int start_ly = 0;
14767         char *text;
14768
14769         if (gi->event.type == GD_EVENT_PRESSED)
14770         {
14771           start_lx = lx;
14772           start_ly = ly;
14773         }
14774
14775         switch (actual_drawing_function)
14776         {
14777           case GADGET_ID_SINGLE_ITEMS:
14778             text = "Drawing single items";
14779             break;
14780           case GADGET_ID_CONNECTED_ITEMS:
14781             text = "Drawing connected items";
14782             break;
14783           case GADGET_ID_LINE:
14784             text = "Drawing line";
14785             break;
14786           case GADGET_ID_ARC:
14787             text = "Drawing arc";
14788             break;
14789           case GADGET_ID_TEXT:
14790             text = "Setting text cursor";
14791             break;
14792           case GADGET_ID_RECTANGLE:
14793             text = "Drawing rectangle";
14794             break;
14795           case GADGET_ID_FILLED_BOX:
14796             text = "Drawing filled box";
14797             break;
14798           case GADGET_ID_FLOOD_FILL:
14799             text = "Flood fill";
14800             break;
14801           case GADGET_ID_GRAB_BRUSH:
14802             text = "Grabbing brush";
14803             break;
14804           case GADGET_ID_PICK_ELEMENT:
14805             text = "Picking element";
14806             break;
14807
14808           default:
14809             text = "Drawing position";
14810             break;
14811         }
14812
14813         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14814           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14815         else
14816           sprintf(infotext, "%s: %d, %d", text,
14817                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14818       }
14819       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14820         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14821       else
14822         sprintf(infotext, "Level position: %d, %d", lx, ly);
14823     }
14824
14825     // misuse this function to draw brush cursor, if needed
14826     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14827     {
14828       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14829         CopyBrushToCursor(sx, sy);
14830       else
14831         DeleteBrushFromCursor();
14832     }
14833
14834     if (!draw_with_brush)
14835       UpdateBrushPosition(sx, sy);
14836   }
14837   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14838   {
14839     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14840     int element = drawingarea_info[type_id].value[pos];
14841
14842     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14843   }
14844   else
14845   {
14846     if (id == GADGET_ID_CUSTOM_CONTENT)
14847       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14848     else if (id == GADGET_ID_GROUP_CONTENT)
14849       sprintf(infotext, "group element position: %d", sx + 1);
14850     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14851              id <= GADGET_ID_YAMYAM_CONTENT_7)
14852       sprintf(infotext, "content area %d position: %d, %d",
14853               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14854     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14855              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14856       sprintf(infotext, "content area %d position: %d, %d",
14857               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14858     else if (id == GADGET_ID_ANDROID_CONTENT)
14859       sprintf(infotext, "android element position: %d", sx + 1);
14860     else if (drawingarea_info[type_id].infotext != NULL)
14861       strcpy(infotext, drawingarea_info[type_id].infotext);
14862   }
14863
14864   infotext[max_infotext_len] = '\0';
14865
14866   if (strlen(infotext) > 0)
14867     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14868 }
14869
14870 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14871                             boolean quick_quit)
14872 {
14873   if (!ask_if_level_has_changed ||
14874       !LevelChanged() ||
14875       Request("Level has changed! Exit without saving?",
14876               REQ_ASK | REQ_STAY_OPEN))
14877   {
14878     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14879     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14880
14881     // draw normal door
14882     UndrawSpecialEditorDoor();
14883
14884     // use door animation if door 1 viewport is unchanged and contains toolbox
14885     if (useEditorDoorAnimation())
14886       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14887
14888     // close editor doors if viewport definition is the same as in main menu
14889     if (vp_door_1->x      == DX     &&
14890         vp_door_1->y      == DY     &&
14891         vp_door_1->width  == DXSIZE &&
14892         vp_door_1->height == DYSIZE &&
14893         vp_door_2->x      == VX     &&
14894         vp_door_2->y      == VY     &&
14895         vp_door_2->width  == VXSIZE &&
14896         vp_door_2->height == VYSIZE)
14897       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14898     else
14899       SetDoorState(DOOR_CLOSE_2);
14900
14901     BackToFront();
14902
14903     if (quick_quit)
14904       FadeSkipNextFadeIn();
14905
14906     SetGameStatus(GAME_MODE_MAIN);
14907
14908     DrawMainMenu();
14909   }
14910   else
14911   {
14912     if (!global.use_envelope_request)
14913     {
14914       CloseDoor(DOOR_CLOSE_1);
14915       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14916     }
14917   }
14918 }