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_CONF,
 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_LEVELCONFIG_LEVEL,
 607   GADGET_ID_LEVELCONFIG_LEVELSET,
 608   GADGET_ID_LEVELCONFIG_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_LEVELCONFIG_LEVEL,
 917   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 918   ED_TEXTBUTTON_ID_LEVELCONFIG_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_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 934 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_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_LEVELCONFIG             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_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1135 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1136 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_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_CONF,
1278     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1279     "level and editor settings",                '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_BD,        "Boulder Dash"                  },
1798   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1799   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1800   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1801
1802   { -1,                         NULL                            }
1803 };
1804
1805 static struct ValueTextInfo options_levelset_save_mode[] =
1806 {
1807   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1808   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1809
1810   { -1,                         NULL                            }
1811 };
1812
1813 static struct ValueTextInfo options_wind_direction[] =
1814 {
1815   { MV_START_NONE,              "none"                          },
1816   { MV_START_LEFT,              "left"                          },
1817   { MV_START_RIGHT,             "right"                         },
1818   { MV_START_UP,                "up"                            },
1819   { MV_START_DOWN,              "down"                          },
1820
1821   { -1,                         NULL                            }
1822 };
1823
1824 static struct ValueTextInfo options_player_speed[] =
1825 {
1826   { 0,                          "frozen"                        },
1827   { 1,                          "very slow"                     },
1828   { 2,                          "slow"                          },
1829   { 4,                          "normal"                        },
1830   { 8,                          "fast"                          },
1831   { 16,                         "very fast"                     },
1832   { 32,                         "ultrafast"                     },
1833
1834   { -1,                         NULL                            }
1835 };
1836
1837 static struct ValueTextInfo options_access_type[] =
1838 {
1839   { EP_WALKABLE,                "walkable"                      },
1840   { EP_PASSABLE,                "passable"                      },
1841
1842   { -1,                         NULL                            }
1843 };
1844
1845 static struct ValueTextInfo options_access_layer[] =
1846 {
1847   { EP_ACCESSIBLE_OVER,         "over"                          },
1848   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1849   { EP_ACCESSIBLE_UNDER,        "under"                         },
1850
1851   { -1,                         NULL                            }
1852 };
1853
1854 static struct ValueTextInfo options_access_protected[] =
1855 {
1856   { 0,                          "unprotected"                   },
1857   { 1,                          "protected"                     },
1858
1859   { -1,                         NULL                            }
1860 };
1861
1862 static struct ValueTextInfo options_access_direction[] =
1863 {
1864   { MV_NO_DIRECTION,            "no direction"                  },
1865   { MV_LEFT,                    "left"                          },
1866   { MV_RIGHT,                   "right"                         },
1867   { MV_UP,                      "up"                            },
1868   { MV_DOWN,                    "down"                          },
1869   { MV_LEFT  | MV_UP,           "left + up"                     },
1870   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1871   { MV_RIGHT | MV_UP,           "right + up"                    },
1872   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1873   { MV_HORIZONTAL,              "horizontal"                    },
1874   { MV_VERTICAL,                "vertical"                      },
1875   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1876   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1877   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1878   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1879   { MV_ALL_DIRECTIONS,          "all directions"                },
1880
1881   { -1,                         NULL                            }
1882 };
1883
1884 static struct ValueTextInfo options_walk_to_action[] =
1885 {
1886   { EP_DIGGABLE,                "diggable"                      },
1887   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1888   { EP_DROPPABLE,               "collectible & droppable"       },
1889   { EP_THROWABLE,               "collectible & throwable"       },
1890   { EP_PUSHABLE,                "pushable"                      },
1891
1892   { -1,                         NULL                            }
1893 };
1894
1895 static struct ValueTextInfo options_move_pattern[] =
1896 {
1897   { MV_LEFT,                    "left"                          },
1898   { MV_RIGHT,                   "right"                         },
1899   { MV_UP,                      "up"                            },
1900   { MV_DOWN,                    "down"                          },
1901   { MV_HORIZONTAL,              "horizontal"                    },
1902   { MV_VERTICAL,                "vertical"                      },
1903   { MV_ALL_DIRECTIONS,          "all directions"                },
1904   { MV_WIND_DIRECTION,          "wind direction"                },
1905   { MV_TOWARDS_PLAYER,          "towards player"                },
1906   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1907   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1908   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1909   { MV_TURNING_LEFT,            "turning left"                  },
1910   { MV_TURNING_RIGHT,           "turning right"                 },
1911   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1912   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1913   { MV_TURNING_RANDOM,          "turning random"                },
1914   { MV_MAZE_RUNNER,             "maze runner style"             },
1915   { MV_MAZE_HUNTER,             "maze hunter style"             },
1916   { MV_WHEN_PUSHED,             "when pushed"                   },
1917   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1918
1919   { -1,                         NULL                            }
1920 };
1921
1922 static struct ValueTextInfo options_move_direction[] =
1923 {
1924   { MV_START_AUTOMATIC,         "automatic"                     },
1925   { MV_START_LEFT,              "left"                          },
1926   { MV_START_RIGHT,             "right"                         },
1927   { MV_START_UP,                "up"                            },
1928   { MV_START_DOWN,              "down"                          },
1929   { MV_START_RANDOM,            "random"                        },
1930   { MV_START_PREVIOUS,          "previous"                      },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_move_stepsize[] =
1936 {
1937   { 0,                          "not moving"                    },
1938   { 1,                          "very slow"                     },
1939   { 2,                          "slow"                          },
1940   { 4,                          "normal"                        },
1941   { 8,                          "fast"                          },
1942   { 16,                         "very fast"                     },
1943   { 32,                         "even faster"                   },
1944
1945   { -1,                         NULL                            }
1946 };
1947
1948 static struct ValueTextInfo options_move_leave_type[] =
1949 {
1950   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1951   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1952
1953   { -1,                         NULL                            }
1954 };
1955
1956 static struct ValueTextInfo options_smash_targets[] =
1957 {
1958   { EP_CAN_SMASH_PLAYER,        "player"                        },
1959 #if 0
1960   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1961 #endif
1962   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_slippery_type[] =
1968 {
1969   { SLIPPERY_ANY_RANDOM,        "random"                        },
1970   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1971   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1972   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1973   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1974
1975   { -1,                         NULL                            }
1976 };
1977
1978 static struct ValueTextInfo options_deadliness[] =
1979 {
1980   { EP_DONT_RUN_INTO,           "running into"                  },
1981   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1982   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1983   { EP_DONT_TOUCH,              "touching"                      },
1984
1985   { -1,                         NULL                            }
1986 };
1987
1988 static struct ValueTextInfo options_explosion_type[] =
1989 {
1990   { EXPLODES_3X3,               "3x3"                           },
1991   { EXPLODES_CROSS,             "3+3"                           },
1992   { EXPLODES_1X1,               "1x1"                           },
1993
1994   { -1,                         NULL                            }
1995 };
1996
1997 static struct ValueTextInfo options_time_units[] =
1998 {
1999   { 1,                          "frames"                        },
2000   { FRAMES_PER_SECOND,          "seconds"                       },
2001
2002   { -1,                         NULL                            }
2003 };
2004
2005 static struct ValueTextInfo options_change_direct_action[] =
2006 {
2007   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2008   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2009   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2010   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2011   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2012   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2013   { CE_LEFT_BY_PLAYER,          "left by player"                },
2014   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2015   { CE_SWITCHED,                "switched"                      },
2016   { CE_HITTING_SOMETHING,       "hitting something"             },
2017   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2018 #if 0
2019   { CE_BLOCKED,                 "blocked"                       },
2020 #endif
2021   { CE_IMPACT,                  "impact (on something)"         },
2022   { CE_SMASHED,                 "smashed (from above)"          },
2023 #if 0
2024   { CE_VALUE_CHANGES,           "CE value changes"              },
2025   { CE_SCORE_CHANGES,           "CE score changes"              },
2026 #endif
2027   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2028   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2029   { CE_UNDEFINED,               " "                             },
2030   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2031   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2032   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2033   { CE_UNDEFINED,               " "                             },
2034   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2035   { CE_NEXT_TO_PLAYER,          "next to player"                },
2036
2037   { -1,                         NULL                            }
2038 };
2039
2040 static struct ValueTextInfo options_change_other_action[] =
2041 {
2042   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2043   { CE_PLAYER_PRESSES_X,        "player presses"                },
2044   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2045   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2046   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2047   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2048   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2049   { CE_PLAYER_DIGS_X,           "player digs"                   },
2050   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2051   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2052   { CE_TOUCHING_X,              "touching"                      },
2053   { CE_HITTING_X,               "hitting"                       },
2054   { CE_DIGGING_X,               "digging"                       },
2055   { CE_HIT_BY_X,                "hit by"                        },
2056   { CE_SWITCH_OF_X,             "switch of"                     },
2057   { CE_CHANGE_OF_X,             "change by page of"             },
2058   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2059   { CE_MOVE_OF_X,               "move of"                       },
2060   { CE_CREATION_OF_X,           "creation of"                   },
2061   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2062   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2063   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2064   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2065   { CE_UNDEFINED,               " "                             },
2066   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2067   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2068   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2069   { CE_UNDEFINED,               " "                             },
2070   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2071   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2072   { CE_NEXT_TO_X,               "next to"                       },
2073
2074   { -1,                         NULL                            }
2075 };
2076
2077 static struct ValueTextInfo options_change_trigger_side[] =
2078 {
2079   { CH_SIDE_LEFT,               "left"                          },
2080   { CH_SIDE_RIGHT,              "right"                         },
2081   { CH_SIDE_TOP,                "top"                           },
2082   { CH_SIDE_BOTTOM,             "bottom"                        },
2083   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2084   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2085   { CH_SIDE_ANY,                "any"                           },
2086
2087   { -1,                         NULL                            }
2088 };
2089
2090 static struct ValueTextInfo options_change_trigger_player[] =
2091 {
2092   { CH_PLAYER_1,                "1"                             },
2093   { CH_PLAYER_2,                "2"                             },
2094   { CH_PLAYER_3,                "3"                             },
2095   { CH_PLAYER_4,                "4"                             },
2096   { CH_PLAYER_ANY,              "any"                           },
2097
2098   { -1,                         NULL                            }
2099 };
2100
2101 static struct ValueTextInfo options_change_trigger_page[] =
2102 {
2103   { (1u << 0),                  "1"                             },
2104   { (1u << 1),                  "2"                             },
2105   { (1u << 2),                  "3"                             },
2106   { (1u << 3),                  "4"                             },
2107   { (1u << 4),                  "5"                             },
2108   { (1u << 5),                  "6"                             },
2109   { (1u << 6),                  "7"                             },
2110   { (1u << 7),                  "8"                             },
2111   { (1u << 8),                  "9"                             },
2112   { (1u << 9),                  "10"                            },
2113   { (1u << 10),                 "11"                            },
2114   { (1u << 11),                 "12"                            },
2115   { (1u << 12),                 "13"                            },
2116   { (1u << 13),                 "14"                            },
2117   { (1u << 14),                 "15"                            },
2118   { (1u << 15),                 "16"                            },
2119   { (1u << 16),                 "17"                            },
2120   { (1u << 17),                 "18"                            },
2121   { (1u << 18),                 "19"                            },
2122   { (1u << 19),                 "20"                            },
2123   { (1u << 20),                 "21"                            },
2124   { (1u << 21),                 "22"                            },
2125   { (1u << 22),                 "23"                            },
2126   { (1u << 23),                 "24"                            },
2127   { (1u << 24),                 "25"                            },
2128   { (1u << 25),                 "26"                            },
2129   { (1u << 26),                 "27"                            },
2130   { (1u << 27),                 "28"                            },
2131   { (1u << 28),                 "29"                            },
2132   { (1u << 29),                 "30"                            },
2133   { (1u << 30),                 "31"                            },
2134   { (1u << 31),                 "32"                            },
2135   { CH_PAGE_ANY,                "any"                           },
2136
2137   { -1,                         NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_change_replace_when[] =
2141 {
2142   { CP_WHEN_EMPTY,              "empty"                         },
2143   { CP_WHEN_WALKABLE,           "walkable"                      },
2144   { CP_WHEN_DIGGABLE,           "diggable"                      },
2145   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2146   { CP_WHEN_REMOVABLE,          "removable"                     },
2147   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2148
2149   { -1,                         NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_action_type[] =
2153 {
2154   { CA_NO_ACTION,               "no action"                     },
2155   { CA_UNDEFINED,               " "                             },
2156   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2157   { CA_RESTART_LEVEL,           "restart level"                 },
2158   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2159   { CA_SET_LEVEL_TIME,          "set time"                      },
2160   { CA_SET_LEVEL_SCORE,         "set score"                     },
2161   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2162   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2163   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2164   { CA_UNDEFINED,               " "                             },
2165   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2166   { CA_MOVE_PLAYER,             "move player"                   },
2167   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2168   { CA_EXIT_PLAYER,             "exit player"                   },
2169   { CA_KILL_PLAYER,             "kill player"                   },
2170   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2171   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2172   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2173   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2174   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2175   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2176   { CA_UNDEFINED,               " "                             },
2177   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2178   { CA_SET_CE_VALUE,            "set CE value"                  },
2179   { CA_SET_CE_SCORE,            "set CE score"                  },
2180   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2181   { CA_UNDEFINED,               " "                             },
2182   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2183   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2184
2185   { -1,                         NULL                            }
2186 };
2187
2188 static struct ValueTextInfo options_action_mode_none[] =
2189 {
2190   { CA_MODE_UNDEFINED,          " "                             },
2191
2192   { -1,                         NULL                            }
2193 };
2194
2195 static struct ValueTextInfo options_action_mode_assign[] =
2196 {
2197   { CA_MODE_SET,                "="                             },
2198
2199   { -1,                         NULL                            }
2200 };
2201
2202 static struct ValueTextInfo options_action_mode_add_remove[] =
2203 {
2204   { CA_MODE_ADD,                "+"                             },
2205   { CA_MODE_SUBTRACT,           "-"                             },
2206
2207   { -1,                         NULL                            }
2208 };
2209
2210 static struct ValueTextInfo options_action_mode_calculate[] =
2211 {
2212   { CA_MODE_SET,                "="                             },
2213   { CA_MODE_ADD,                "+"                             },
2214   { CA_MODE_SUBTRACT,           "-"                             },
2215   { CA_MODE_MULTIPLY,           "*"                             },
2216   { CA_MODE_DIVIDE,             "/"                             },
2217   { CA_MODE_MODULO,             "%"                             },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_action_arg_none[] =
2223 {
2224   { CA_ARG_UNDEFINED,           "         "                     },
2225
2226   { -1,                         NULL                            }
2227 };
2228
2229 static struct ValueTextInfo options_action_arg_player[] =
2230 {
2231   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2232   { CA_ARG_PLAYER_1,            "1"                             },
2233   { CA_ARG_PLAYER_2,            "2"                             },
2234   { CA_ARG_PLAYER_3,            "3"                             },
2235   { CA_ARG_PLAYER_4,            "4"                             },
2236   { CA_ARG_PLAYER_ANY,          "any"                           },
2237   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2238   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2239
2240   { -1,                         NULL                            }
2241 };
2242
2243 static struct ValueTextInfo options_action_arg_number[] =
2244 {
2245   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2246   { CA_ARG_0,                   "0"                             },
2247   { CA_ARG_1,                   "1"                             },
2248   { CA_ARG_2,                   "2"                             },
2249   { CA_ARG_3,                   "3"                             },
2250   { CA_ARG_4,                   "4"                             },
2251   { CA_ARG_5,                   "5"                             },
2252   { CA_ARG_10,                  "10"                            },
2253   { CA_ARG_100,                 "100"                           },
2254   { CA_ARG_1000,                "1000"                          },
2255   { CA_ARG_UNDEFINED,           " "                             },
2256   { CA_ARG_NUMBER_MIN,          "min"                           },
2257   { CA_ARG_NUMBER_MAX,          "max"                           },
2258   { CA_ARG_UNDEFINED,           " "                             },
2259   { CA_ARG_NUMBER_RESET,        "reset"                         },
2260   { CA_ARG_UNDEFINED,           " "                             },
2261   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2262   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2263   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2264   { CA_ARG_UNDEFINED,           " "                             },
2265   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2266   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2267   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2268   { CA_ARG_UNDEFINED,           " "                             },
2269   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2270   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2271   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2272   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2275   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2276   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2277   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2278
2279   { -1,                         NULL                            }
2280 };
2281
2282 static struct ValueTextInfo options_action_arg_value[] =
2283 {
2284   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2285   { CA_ARG_0,                   "0"                             },
2286   { CA_ARG_1,                   "1"                             },
2287   { CA_ARG_2,                   "2"                             },
2288   { CA_ARG_3,                   "3"                             },
2289   { CA_ARG_4,                   "4"                             },
2290   { CA_ARG_5,                   "5"                             },
2291   { CA_ARG_10,                  "10"                            },
2292   { CA_ARG_100,                 "100"                           },
2293   { CA_ARG_1000,                "1000"                          },
2294   { CA_ARG_UNDEFINED,           " "                             },
2295   { CA_ARG_NUMBER_MIN,          "min"                           },
2296   { CA_ARG_NUMBER_MAX,          "max"                           },
2297   { CA_ARG_UNDEFINED,           " "                             },
2298   { CA_ARG_NUMBER_RESET,        "reset"                         },
2299   { CA_ARG_UNDEFINED,           " "                             },
2300   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2301   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2302   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2303   { CA_ARG_UNDEFINED,           " "                             },
2304   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2305   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2306   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2307   { CA_ARG_UNDEFINED,           " "                             },
2308   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2309   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2310   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2311   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2312   { CA_ARG_UNDEFINED,           " "                             },
2313   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2314   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2315   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2316   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2317   { CA_ARG_UNDEFINED,           " "                             },
2318   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2319   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2320   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2321   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2322
2323   { -1,                         NULL                            }
2324 };
2325
2326 static struct ValueTextInfo options_action_arg_envelope[] =
2327 {
2328   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2329   { CA_ARG_1,                   "1"                             },
2330   { CA_ARG_2,                   "2"                             },
2331   { CA_ARG_3,                   "3"                             },
2332   { CA_ARG_4,                   "4"                             },
2333   { CA_ARG_UNDEFINED,           " "                             },
2334   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2335   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2336   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2337   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2338
2339   { -1,                         NULL                            }
2340 };
2341
2342 static struct ValueTextInfo options_action_arg_key[] =
2343 {
2344   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2345   { CA_ARG_1,                   "1"                             },
2346   { CA_ARG_2,                   "2"                             },
2347   { CA_ARG_3,                   "3"                             },
2348   { CA_ARG_4,                   "4"                             },
2349   { CA_ARG_5,                   "5"                             },
2350   { CA_ARG_6,                   "6"                             },
2351   { CA_ARG_7,                   "7"                             },
2352   { CA_ARG_8,                   "8"                             },
2353   { CA_ARG_UNDEFINED,           " "                             },
2354   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2355   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2356   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2357   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2358
2359   { -1,                         NULL                            }
2360 };
2361
2362 static struct ValueTextInfo options_action_arg_speed[] =
2363 {
2364   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2365   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2366   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2367   { CA_ARG_SPEED_SLOW,          "slow"                          },
2368   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2369   { CA_ARG_SPEED_FAST,          "fast"                          },
2370   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2371   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2372   { CA_ARG_UNDEFINED,           " "                             },
2373   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2374   { CA_ARG_SPEED_FASTER,        "faster"                        },
2375   { CA_ARG_UNDEFINED,           " "                             },
2376   { CA_ARG_SPEED_RESET,         "reset"                         },
2377
2378   { -1,                         NULL                            }
2379 };
2380
2381 static struct ValueTextInfo options_action_arg_shield[] =
2382 {
2383   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2384   { CA_ARG_SHIELD_OFF,          "off"                           },
2385   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2386   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2387
2388   { -1,                         NULL                            }
2389 };
2390
2391 static struct ValueTextInfo options_action_arg_artwork[] =
2392 {
2393   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2394   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2395   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2396   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2397   { CA_ARG_UNDEFINED,           " "                             },
2398   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2399
2400   { -1,                         NULL                            }
2401 };
2402
2403 static struct ValueTextInfo options_action_arg_gravity[] =
2404 {
2405   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2406   { CA_ARG_GRAVITY_ON,          "on"                            },
2407   { CA_ARG_GRAVITY_OFF,         "off"                           },
2408   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2409
2410   { -1,                         NULL                            }
2411 };
2412
2413 static struct ValueTextInfo options_action_arg_direction[] =
2414 {
2415   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2416   { CA_ARG_DIRECTION_NONE,      "none"                          },
2417   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2418   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2419   { CA_ARG_DIRECTION_UP,        "up"                            },
2420   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2421   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2422   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2423
2424   { -1,                         NULL                            }
2425 };
2426
2427 static struct ValueTextInfo options_action_arg_scan_mode[] =
2428 {
2429   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2430   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2431   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2432
2433   { -1,                         NULL                            }
2434 };
2435
2436 static struct ValueTextInfo options_action_arg_inventory[] =
2437 {
2438   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2439   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2440   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2441   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2442   { CA_ARG_UNDEFINED,           " "                             },
2443   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2444   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2445   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2446   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2447   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2448   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2449   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2450   { CA_ARG_UNDEFINED,           " "                             },
2451   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2452
2453   { -1,                         NULL                            }
2454 };
2455
2456 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2457 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2458 {
2459   { -1,                         NULL                            }
2460 };
2461
2462 static struct ValueTextInfo options_group_choice_mode[] =
2463 {
2464   { ANIM_RANDOM,                "random"                        },
2465   { ANIM_LOOP,                  "loop"                          },
2466   { ANIM_LINEAR,                "linear"                        },
2467   { ANIM_PINGPONG,              "pingpong"                      },
2468   { ANIM_PINGPONG2,             "pingpong 2"                    },
2469   { ANIM_LEVEL_NR,              "level number"                  },
2470
2471   { -1,                         NULL                            }
2472 };
2473
2474 static struct ValueTextInfo *action_arg_modes[] =
2475 {
2476   options_action_mode_none,
2477   options_action_mode_assign,
2478   options_action_mode_add_remove,
2479   options_action_mode_calculate,
2480 };
2481
2482 static struct
2483 {
2484   int value;
2485   int mode;
2486   struct ValueTextInfo *options;
2487 }
2488 action_arg_options[] =
2489 {
2490   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2491   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2492   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2493   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2494   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2495   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2496   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2497   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2498   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2499   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2500   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2501   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2502   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2503   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2504   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2505   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2506   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2507   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2508   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2509   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2510   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2511   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2512
2513   { -1,                         FALSE,  NULL                            }
2514 };
2515
2516 static struct
2517 {
2518   int x, y;
2519   int gadget_id;
2520   int gadget_id_align;
2521   int size;     // char size of selectbox or '-1' (dynamically determined)
2522   struct ValueTextInfo *options;
2523   int *value;
2524   char *text_above, *text_left, *text_right, *infotext;
2525 } selectbox_info[ED_NUM_SELECTBOX] =
2526 {
2527   // ---------- level and editor settings -------------------------------------
2528
2529   {
2530     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2531     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2532     -1,
2533     options_time_or_steps,
2534     &level.use_step_counter,
2535     NULL, NULL, "(0 => no limit)",      "time or step limit"
2536   },
2537   {
2538     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2539     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2540     -1,
2541     options_time_score_base,
2542     &level.time_score_base,
2543     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2544   },
2545   {
2546     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2547     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2548     -1,
2549     options_game_engine_type,
2550     &level.game_engine_type,
2551     NULL, "game engine:", NULL,         "game engine"
2552   },
2553   {
2554     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2555     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2556     -1,
2557     options_levelset_save_mode,
2558     &levelset_save_mode,
2559     "Action:", NULL, NULL,              "action when saving level set"
2560   },
2561
2562   // ---------- element settings: configure (several elements) ----------------
2563
2564   {
2565     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2566     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2567     -1,
2568     options_wind_direction,
2569     &level.wind_direction_initial,
2570     NULL, "initial wind direction:", NULL,      "initial wind direction"
2571   },
2572   {
2573     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2574     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2575     -1,
2576     options_player_speed,
2577     &level.initial_player_stepsize[0],
2578     NULL, "initial player speed:", NULL,        "initial player speed"
2579   },
2580   {
2581     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2582     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2583     -1,
2584     options_group_choice_mode,
2585     &level.mm_ball_choice_mode,
2586     NULL, "choice type:", NULL,         "type of content choice"
2587   },
2588
2589   // ---------- element settings: configure 1 (custom elements) ---------------
2590
2591   {
2592     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2593     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2594     -1,
2595     options_access_type,
2596     &custom_element.access_type,
2597     NULL, NULL, NULL,                   "type of access to this field"
2598   },
2599   {
2600     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2601     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2602     -1,
2603     options_access_layer,
2604     &custom_element.access_layer,
2605     NULL, NULL, NULL,                   "layer of access for this field"
2606   },
2607   {
2608     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2609     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2610     -1,
2611     options_access_protected,
2612     &custom_element.access_protected,
2613     NULL, NULL, NULL,                   "protected access for this field"
2614   },
2615   {
2616     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2617     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2618     -1,
2619     options_access_direction,
2620     &custom_element.access_direction,
2621     NULL, "from", NULL,                 "access direction for this field"
2622   },
2623   {
2624     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2625     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2626     -1,
2627     options_walk_to_action,
2628     &custom_element.walk_to_action,
2629     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2630   },
2631
2632   // ---------- element settings: configure 2 (custom elements) ---------------
2633
2634   {
2635     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2636     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2637     -1,
2638     options_move_pattern,
2639     &custom_element.move_pattern,
2640     NULL, "can move", NULL,             "element move pattern"
2641   },
2642   {
2643     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2644     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2645     -1,
2646     options_move_direction,
2647     &custom_element.move_direction_initial,
2648     NULL, "starts moving", NULL,        "initial element move direction"
2649   },
2650   {
2651     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2652     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2653     -1,
2654     options_move_stepsize,
2655     &custom_element.move_stepsize,
2656     NULL, "move/fall speed", NULL,      "speed of element movement"
2657   },
2658   {
2659     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2660     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2661     -1,
2662     options_move_leave_type,
2663     &custom_element.move_leave_type,
2664     // left text with leading spaces to place gadget next to "can dig" gadget
2665     // (needed because drawing area gadgets created after selectbox gadgets)
2666     // NULL, "can dig:    can", ":",    "leave behind or change element"
2667     NULL, "            can", ":",       "leave behind or change element"
2668   },
2669   {
2670     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2671     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2672     -1,
2673     options_smash_targets,
2674     &custom_element.smash_targets,
2675     NULL, "can smash", NULL,            "elements that can be smashed"
2676   },
2677   {
2678     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2679     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2680     -1,
2681     options_slippery_type,
2682     &custom_element.slippery_type,
2683     NULL, "slippery", NULL,             "where other elements fall down"
2684   },
2685   {
2686     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2687     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2688     -1,
2689     options_deadliness,
2690     &custom_element.deadliness,
2691     NULL, "deadly when", NULL,          "deadliness of element"
2692   },
2693   {
2694     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2695     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2696     -1,
2697     options_explosion_type,
2698     &custom_element.explosion_type,
2699     NULL, "can explode", NULL,          "explosion type"
2700   },
2701
2702   // ---------- element settings: advanced (custom elements) ------------------
2703
2704   {
2705     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2706     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2707     -1,
2708     options_time_units,
2709     &custom_element_change.delay_frames,
2710     NULL, "delay time given in", NULL,  "delay time units for change"
2711   },
2712   {
2713     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2714     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2715     -1,
2716     options_change_direct_action,
2717     &custom_element_change.direct_action,
2718     NULL, NULL, NULL,                   "type of direct action"
2719   },
2720   {
2721     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2722     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2723     -1,
2724     options_change_other_action,
2725     &custom_element_change.other_action,
2726     NULL, NULL, "element:",             "type of other element action"
2727   },
2728   {
2729     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2730     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2731     -1,
2732     options_change_trigger_side,
2733     &custom_element_change.trigger_side,
2734     NULL, "at", "side",                 "element side triggering change"
2735   },
2736   {
2737     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2738     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2739     -1,
2740     options_change_trigger_player,
2741     &custom_element_change.trigger_player,
2742     NULL, "player:", " ",               "player that causes change"
2743   },
2744   {
2745     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2746     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2747     -1,
2748     options_change_trigger_page,
2749     &custom_element_change.trigger_page,
2750     NULL, "page:", NULL,                "change page that causes change"
2751   },
2752   {
2753     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2754     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2755     -1,
2756     options_change_replace_when,
2757     &custom_element_change.replace_when,
2758     NULL, "replace when", NULL,         "which elements can be replaced"
2759   },
2760   {
2761     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2762     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2763     15,
2764     options_action_type,
2765     &custom_element_change.action_type,
2766     NULL, NULL, NULL,                   "action on specified condition"
2767   },
2768   {
2769     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2770     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2771     -1,
2772     options_action_mode_none,
2773     &custom_element_change.action_mode,
2774     NULL, NULL, NULL,                   "action operator"
2775   },
2776   {
2777     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2778     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2779     -1,
2780     options_action_arg_none,
2781     &custom_element_change.action_arg,
2782     NULL, NULL, NULL,                   "action parameter"
2783   },
2784   {
2785     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2786     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2787     3,
2788     options_change_page,
2789     &custom_element.current_change_page,
2790     NULL, NULL, NULL,                   "element change page"
2791   },
2792
2793   // ---------- element settings: configure (group elements) ------------------
2794
2795   {
2796     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2797     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2798     -1,
2799     options_group_choice_mode,
2800     &group_element_info.choice_mode,
2801     NULL, "choice type:", NULL,         "type of group element choice"
2802   },
2803 };
2804
2805 static struct
2806 {
2807   int x, y;
2808   int gadget_id;
2809   int gadget_id_align;
2810   int size;
2811   char *text;
2812   char *text_above, *text_left, *text_right, *infotext;
2813 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2814 {
2815   // ---------- level and editor settings (tabs) ------------------------------
2816
2817   {
2818     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2819     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
2820     8,                                  "Level",
2821     NULL, NULL, NULL,                   "Configure level settings"
2822   },
2823   {
2824     -1,                                 -1,
2825     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
2826     8,                                  "Levelset",
2827     NULL, NULL, NULL,                   "Update this or create new level set"
2828   },
2829   {
2830     -1,                                 -1,
2831     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
2832     8,                                  "Editor",
2833     NULL, NULL, NULL,                   "Configure editor settings"
2834   },
2835
2836   // ---------- element settings (tabs) ---------------------------------------
2837
2838   {
2839     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2840     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2841     8,                                  "Info",
2842     NULL, NULL, NULL,                   "Show information about element"
2843   },
2844   {
2845     -1,                                 -1,
2846     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2847     8,                                  "Config",
2848     NULL, NULL, NULL,                   "Configure element properties"
2849   },
2850   {
2851     -1,                                 -1,
2852     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2853     8,                                  "Config 1",
2854     NULL, NULL, NULL,                   "Configure element properties, part 1"
2855   },
2856   {
2857     -1,                                 -1,
2858     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2859     8,                                  "Config 2",
2860     NULL, NULL, NULL,                   "Configure element properties, part 2"
2861   },
2862   {
2863     -1,                                 -1,
2864     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2865     8,                                  "Change",
2866     NULL, NULL, NULL,                   "Configure custom element change pages"
2867   },
2868
2869   // ---------- level and editor settings (buttons) ---------------------------
2870
2871   {
2872     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2873     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2874     -1,                                 "Save",
2875     NULL, NULL, NULL,                   "Update or create level set"
2876   },
2877   {
2878     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2879     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2880     -1,                                 "Save",
2881     NULL, NULL,                         "this level as level template",
2882     "Save current settings as new template"
2883   },
2884
2885   // ---------- element settings (buttons) ------------------------------------
2886
2887   {
2888     -1,                                 -1,
2889     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2890     -1,                                 "Save",
2891     NULL, " ",                          "As Template",
2892     "Save current settings as new template"
2893   },
2894   {
2895     -1,                                 -1,
2896     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2897     -1,                                 "New",
2898     NULL, NULL, NULL,                   "Add new change page"
2899   },
2900   {
2901     -1,                                 -1,
2902     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2903     -1,                                 "Delete",
2904     NULL, NULL, NULL,                   "Delete current change page"
2905   },
2906 };
2907
2908 static struct
2909 {
2910   int graphic;
2911   int x, y;
2912   int gadget_id;
2913   int gadget_id_align;
2914   char *text_left, *text_right, *infotext;
2915 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2916 {
2917   {
2918     IMG_EDITOR_COUNTER_DOWN,
2919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2920     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2921     NULL, NULL,                         "select previous change page"
2922   },
2923   {
2924     IMG_EDITOR_COUNTER_UP,
2925     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2926     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2927     NULL, "change page",                "select next change page"
2928   },
2929   {
2930     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2931     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2932     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2933     " ", NULL,                          "copy settings from this change page"
2934   },
2935   {
2936     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2937     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2938     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2939     NULL, NULL,                         "paste settings to this change page"
2940   },
2941 };
2942
2943 static struct
2944 {
2945   int x, y;
2946 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2947
2948 static struct
2949 {
2950   int graphic;
2951   int gadget_id;
2952   char *infotext;
2953 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2954 {
2955   {
2956     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2957     GADGET_ID_SCROLL_UP,
2958     "scroll level editing area up"
2959   },
2960   {
2961     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2962     GADGET_ID_SCROLL_DOWN,
2963     "scroll level editing area down"
2964   },
2965   {
2966     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2967     GADGET_ID_SCROLL_LEFT,
2968     "scroll level editing area left"
2969   },
2970   {
2971     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2972     GADGET_ID_SCROLL_RIGHT,
2973     "scroll level editing area right"
2974   },
2975   {
2976     IMG_EDITOR_PALETTE_SCROLL_UP,
2977     GADGET_ID_SCROLL_LIST_UP,
2978     "scroll element list up ('Page Up')"
2979   },
2980   {
2981     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2982     GADGET_ID_SCROLL_LIST_DOWN,
2983     "scroll element list down ('Page Down')"
2984   },
2985 };
2986
2987 static struct
2988 {
2989   int x, y;
2990   int width, height;
2991   int wheel_x, wheel_y;
2992   int wheel_width, wheel_height;
2993 } scrollbar_pos[ED_NUM_SCROLLBARS];
2994
2995 static struct
2996 {
2997   int graphic;
2998   int type;
2999   int gadget_id;
3000   char *infotext;
3001 } scrollbar_info[ED_NUM_SCROLLBARS] =
3002 {
3003   {
3004     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3005     GD_TYPE_SCROLLBAR_HORIZONTAL,
3006     GADGET_ID_SCROLL_HORIZONTAL,
3007     "scroll level editing area horizontally"
3008   },
3009   {
3010     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3011     GD_TYPE_SCROLLBAR_VERTICAL,
3012     GADGET_ID_SCROLL_VERTICAL,
3013     "scroll level editing area vertically"
3014   },
3015   {
3016     IMG_EDITOR_PALETTE_SCROLLBAR,
3017     GD_TYPE_SCROLLBAR_VERTICAL,
3018     GADGET_ID_SCROLL_LIST_VERTICAL,
3019     "scroll element list vertically"
3020   }
3021 };
3022
3023
3024 static struct
3025 {
3026   int x, y;
3027   int gadget_id;
3028   int gadget_id_align;
3029   int radio_button_nr;
3030   int *value;
3031   int checked_value;
3032   char *text_left, *text_right, *infotext;
3033 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3034 {
3035   {
3036     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3037     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3038     RADIO_NR_RANDOM_ELEMENTS,
3039     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3040     " ", "percentage",                  "use percentage for random elements"
3041   },
3042   {
3043     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3044     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3045     RADIO_NR_RANDOM_ELEMENTS,
3046     &random_placement_method,           RANDOM_USE_QUANTITY,
3047     " ", "quantity",                    "use quantity for random elements"
3048   }
3049 };
3050
3051 static struct
3052 {
3053   int x, y;
3054   int gadget_id;
3055   int gadget_id_align;
3056   boolean *value;
3057   char *text_above, *text_left, *text_right, *infotext;
3058 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3059 {
3060   // ---------- level and editor settings -------------------------------------
3061
3062   {
3063     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3064     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3065     &level.auto_count_gems,
3066     NULL, NULL,
3067     "automatically count gems needed",  "set counter to number of gems"
3068   },
3069   {
3070     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3071     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3072     &level.rate_time_over_score,
3073     NULL, NULL,
3074     "rate time/steps used over score",  "sort high scores by playing time/steps"
3075   },
3076   {
3077     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3078     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3079     &levelset_use_levelset_artwork,
3080     NULL, NULL,
3081     "use current custom artwork",       "use custom artwork of this level set"
3082   },
3083   {
3084     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3085     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3086     &levelset_copy_level_template,
3087     NULL, NULL,
3088     "copy current level template",      "copy level template of this level set"
3089   },
3090   {
3091     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3092     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3093     &random_placement_background_restricted,
3094     NULL, NULL,
3095     "restrict random placement to:",    "set random placement restriction"
3096   },
3097   {
3098     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3099     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3100     &setup.editor.use_template_for_new_levels,
3101     "Template for new levels and CE/GE:", NULL,
3102     "use template for new levels",      "use template for level properties"
3103   },
3104   {
3105     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3106     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3107     &level.use_custom_template,
3108     NULL, NULL,
3109     "use template for custom elements", "use template for custom properties"
3110   },
3111
3112   // ---------- element settings: configure (various elements) ----------------
3113
3114   {
3115     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3116     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3117     &stick_element_properties_window,
3118     NULL, NULL,
3119     "stick this screen to edit content","stick this screen to edit content"
3120   },
3121   {
3122     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3123     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3124     &level.em_slippery_gems,
3125     NULL, NULL,
3126     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3127   },
3128   {
3129     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3130     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3131     &level.em_explodes_by_fire,
3132     NULL, NULL,
3133     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3134   },
3135   {
3136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3137     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3138     &level.use_spring_bug,
3139     NULL, NULL,
3140     "use spring pushing bug",           "use odd spring pushing behaviour"
3141   },
3142   {
3143     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3144     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3145     &level.use_time_orb_bug,
3146     NULL, NULL,
3147     "use time orb bug",                 "use odd time orb behaviour"
3148   },
3149   {
3150     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3151     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3152     &level.use_life_bugs,
3153     NULL, NULL,
3154     "use buggy element behaviour",      "use odd (historic) element behaviour"
3155   },
3156   {
3157     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3158     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3159     &level.ball_random,
3160     NULL, NULL,
3161     "create single random element",     "only create one element from content"
3162   },
3163   {
3164     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3165     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3166     &level.ball_active_initial,
3167     NULL, NULL,
3168     "magic ball initially activated",   "activate magic ball after level start"
3169   },
3170   {
3171     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3172     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3173     &level.grow_into_diggable,
3174     NULL, NULL,
3175     "can grow into anything diggable",  "grow into more than just sand"
3176   },
3177   {
3178     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3179     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3180     &level.sb_fields_needed,
3181     NULL, NULL,
3182     "all fields need to be filled",     "require all SB fields to be solved"
3183   },
3184   {
3185     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3186     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3187     &level.sb_objects_needed,
3188     NULL, NULL,
3189     "all objects need to be placed",    "require all SB objects to be solved"
3190   },
3191   {
3192     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3193     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3194     &level.auto_exit_sokoban,
3195     NULL, NULL,
3196     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3197   },
3198   {
3199     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3200     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3201     &level.solved_by_one_player,
3202     NULL, NULL,
3203     "only one player must enter exit",  "level solved by first player in exit"
3204   },
3205   {
3206     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3207     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3208     &level.finish_dig_collect,
3209     NULL, NULL,
3210     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3211   },
3212   {
3213     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3214     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3215     &level.keep_walkable_ce,
3216     NULL, NULL,
3217     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3218   },
3219   {
3220     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3221     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3222     &level.continuous_snapping,
3223     NULL, NULL,
3224     "continuous snapping",              "use snapping without releasing key"
3225   },
3226   {
3227     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3228     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3229     &level.block_snap_field,
3230     NULL, NULL,
3231     "block snapped field when snapping", "use snapping delay to show animation"
3232   },
3233   {
3234     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3235     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3236     &level.block_last_field,
3237     NULL, NULL,
3238     "block last field when moving",     "player blocks last field when moving"
3239   },
3240   {
3241     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3242     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3243     &level.sp_block_last_field,
3244     NULL, NULL,
3245     "block last field when moving",     "player blocks last field when moving"
3246   },
3247   {
3248     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3249     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3250     &level.instant_relocation,
3251     NULL, NULL,
3252     "no scrolling when relocating",     "player gets relocated without delay"
3253   },
3254   {
3255     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3256     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3257     &level.shifted_relocation,
3258     NULL, NULL,
3259     "no centering when relocating",     "level not centered after relocation"
3260   },
3261   {
3262     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3263     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3264     &level.lazy_relocation,
3265     NULL, NULL,
3266     "only redraw off-screen relocation","no redraw if relocation target visible"
3267   },
3268   {
3269     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3270     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3271     &level.use_start_element[0],
3272     NULL, NULL,
3273     "use level start element:",        "start level at this element's position"
3274   },
3275   {
3276     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3277     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3278     &level.use_artwork_element[0],
3279     NULL, NULL,
3280     "use artwork from element:",        "use player artwork from other element"
3281   },
3282   {
3283     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3284     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3285     &level.use_explosion_element[0],
3286     NULL, NULL,
3287     "use explosion from element:",      "use explosion properties from element"
3288   },
3289   {
3290     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3291     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3292     &level.initial_player_gravity[0],
3293     NULL, NULL,
3294     "use initial gravity",              "set initial player gravity"
3295   },
3296   {
3297     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3298     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3299     &level.use_initial_inventory[0],
3300     NULL, NULL,
3301     "use initial inventory:",           "use collected elements on level start"
3302   },
3303   {
3304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3305     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3306     &level.can_pass_to_walkable,
3307     NULL, NULL,
3308     "can pass to walkable element",     "player can pass to empty or walkable"
3309   },
3310   {
3311     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3312     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3313     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3314     NULL, NULL,
3315     "can fall into acid (with gravity)","player can fall into acid pool"
3316   },
3317   {
3318     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3319     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3320     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3321     NULL, NULL,
3322     "can move into acid",               "element can move into acid pool"
3323   },
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3326     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3327     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3328     NULL, NULL,
3329     "deadly when colliding with",       "element is deadly when hitting player"
3330   },
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3333     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3334     &level.envelope[0].autowrap,
3335     NULL, NULL,
3336     "auto-wrap",                        "automatically wrap envelope text"
3337   },
3338   {
3339     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3340     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3341     &level.envelope[0].centered,
3342     NULL, " ",
3343     "centered",                         "automatically center envelope text"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3347     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3348     &level.mm_laser_red,
3349     "choose color components for laser:", NULL,
3350     "red",                              "use red color components in laser"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3354     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3355     &level.mm_laser_green,
3356     NULL, NULL,
3357     "green",                            "use green color components in laser"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3361     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3362     &level.mm_laser_blue,
3363     NULL, NULL,
3364     "blue",                             "use blue color components in laser"
3365   },
3366   {
3367     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3368     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3369     &level.df_laser_red,
3370     "choose color components for laser:", NULL,
3371     "red",                              "use red color components in laser"
3372   },
3373   {
3374     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3375     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3376     &level.df_laser_green,
3377     NULL, NULL,
3378     "green",                            "use green color components in laser"
3379   },
3380   {
3381     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3382     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3383     &level.df_laser_blue,
3384     NULL, NULL,
3385     "blue",                             "use blue color components in laser"
3386   },
3387   {
3388     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3389     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3390     &level.rotate_mm_ball_content,
3391     NULL, NULL,
3392     "randomly rotate created content",  "randomly rotate newly created content"
3393   },
3394   {
3395     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3396     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3397     &level.explode_mm_ball,
3398     NULL, NULL,
3399     "explode ball instead of melting",  "use explosion to release ball content"
3400   },
3401
3402   // ---------- element settings: configure 1 (custom elements) ---------------
3403
3404   {
3405     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3406     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3407     &custom_element.use_gfx_element,
3408     NULL, NULL,
3409     "use graphic of element:",          "use existing element graphic"
3410   },
3411   {
3412     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3413     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3414     &level.use_custom_template,
3415     NULL, NULL,
3416     "use template",                     "use template for custom properties"
3417   },
3418   {
3419     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3420     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3421     &custom_element_properties[EP_ACCESSIBLE],
3422     NULL, NULL,
3423     NULL,                               "player can walk to or pass this field"
3424   },
3425   {
3426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3427     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3428     &custom_element_properties[EP_GRAVITY_REACHABLE],
3429     NULL, NULL,
3430     "reachable despite gravity",        "player can walk/dig despite gravity"
3431   },
3432   {
3433     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3434     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3435     &custom_element.use_last_ce_value,
3436     NULL, NULL,
3437     "use last CE value after change",   "use last CE value after change"
3438   },
3439   {
3440     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3441     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3442     &custom_element_properties[EP_WALK_TO_OBJECT],
3443     NULL, NULL,
3444     NULL,                               "player can dig/collect/push element"
3445   },
3446   {
3447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3448     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3449     &custom_element_properties[EP_INDESTRUCTIBLE],
3450     NULL, NULL,
3451     "indestructible",                   "element is indestructible"
3452   },
3453
3454   // ---------- element settings: configure 2 (custom elements) ---------------
3455
3456   {
3457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3458     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3459     &custom_element_properties[EP_CAN_MOVE],
3460     NULL, NULL,
3461     NULL,                               "element can move with some pattern"
3462   },
3463   {
3464     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3465     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3466     &custom_element_properties[EP_CAN_FALL],
3467     NULL, NULL,
3468     "can fall",                         "element can fall down"
3469   },
3470   {
3471     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3472     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3473     &custom_element_properties[EP_CAN_SMASH],
3474     NULL, " ",
3475     NULL,                               "element can smash other elements"
3476   },
3477   {
3478     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3479     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3480     &custom_element_properties[EP_SLIPPERY],
3481     NULL, NULL,
3482     NULL,                               "other elements can fall down from it"
3483   },
3484   {
3485     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3486     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3487     &custom_element_properties[EP_DEADLY],
3488     NULL, NULL,
3489     NULL,                               "element can kill the player"
3490   },
3491   {
3492     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3493     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3494     &custom_element_properties[EP_CAN_EXPLODE],
3495     NULL, NULL,
3496     NULL,                               "element can explode"
3497   },
3498   {
3499     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3500     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3501     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3502     NULL, NULL,
3503     "by fire",                          "element can explode by fire/explosion"
3504   },
3505   {
3506     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3507     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3508     &custom_element_properties[EP_EXPLODES_SMASHED],
3509     NULL, " ",
3510     "smashed",                          "element can explode when smashed"
3511   },
3512   {
3513     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3514     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3515     &custom_element_properties[EP_EXPLODES_IMPACT],
3516     NULL, " ",
3517     "impact",                           "element can explode on impact"
3518   },
3519
3520   // ---------- element settings: advanced (custom elements) ------------------
3521
3522   {
3523     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3524     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3525     &custom_element_change.can_change,
3526     NULL, NULL,
3527     "element changes to:",              "change element on specified condition"
3528   },
3529   {
3530     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3531     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3532     &custom_element_change_events[CE_DELAY],
3533     NULL, NULL,
3534     NULL,                               "element changes after delay"
3535   },
3536   {
3537     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3538     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3539     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3540     NULL, NULL,
3541     NULL,                               "element changes by direct action"
3542   },
3543   {
3544     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3545     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3546     &custom_element_change_events[CE_BY_OTHER_ACTION],
3547     NULL, NULL,
3548     NULL,                               "element changes by other element"
3549   },
3550   {
3551     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3552     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3553     &custom_element_change.explode,
3554     NULL, NULL,
3555     "explode instead of change",        "element explodes instead of change"
3556   },
3557   {
3558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3559     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3560     &custom_element_change.use_target_content,
3561     NULL, NULL,
3562     "use extended change target:",      "element changes to more elements"
3563   },
3564   {
3565     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3566     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3567     &custom_element_change.only_if_complete,
3568     NULL, NULL,
3569     "replace all or nothing",           "only replace when all can be changed"
3570   },
3571   {
3572     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3573     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3574     &custom_element_change.use_random_replace,
3575     NULL, NULL,
3576     NULL,                               "use percentage for random replace"
3577   },
3578   {
3579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3580     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3581     &custom_element_change.has_action,
3582     NULL, NULL,
3583     NULL,                               "execute action on specified condition"
3584   },
3585 };
3586
3587 static struct
3588 {
3589   int x, y;
3590   int xoffset, yoffset;
3591   int gadget_id;
3592   int gadget_id_align;
3593   int *value;
3594   int area_xsize, area_ysize;
3595   char *text_left, *text_right, *text_above, *text_below, *infotext;
3596 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3597 {
3598   // ---------- level playfield content ---------------------------------------
3599
3600   {
3601     0,                                  0,
3602     0,                                  0,
3603     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3604     NULL,
3605     -1, -1,     // these values are not constant, but can change at runtime
3606     NULL, NULL, NULL, NULL,             NULL
3607   },
3608
3609   // ---------- yam yam content -----------------------------------------------
3610
3611   {
3612     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3613     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3614     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3615     &level.yamyam_content[0].e[0][0],   3, 3,
3616     NULL, NULL, NULL, "1",              NULL
3617   },
3618   {
3619     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3620     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3621     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3622     &level.yamyam_content[1].e[0][0],   3, 3,
3623     NULL, NULL, NULL, "2",              NULL
3624   },
3625   {
3626     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3627     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3628     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3629     &level.yamyam_content[2].e[0][0],   3, 3,
3630     NULL, NULL, NULL, "3",              NULL
3631   },
3632   {
3633     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3634     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3635     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3636     &level.yamyam_content[3].e[0][0],   3, 3,
3637     NULL, NULL, NULL, "4",              NULL
3638   },
3639   {
3640     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3641     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3642     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3643     &level.yamyam_content[4].e[0][0],   3, 3,
3644     NULL, NULL, NULL, "5",              NULL
3645   },
3646   {
3647     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3648     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3649     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3650     &level.yamyam_content[5].e[0][0],   3, 3,
3651     NULL, NULL, NULL, "6",              NULL
3652   },
3653   {
3654     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3655     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3656     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3657     &level.yamyam_content[6].e[0][0],   3, 3,
3658     NULL, NULL, NULL, "7",              NULL
3659   },
3660   {
3661     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3662     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3663     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3664     &level.yamyam_content[7].e[0][0],   3, 3,
3665     NULL, NULL, NULL, "8",              NULL
3666   },
3667
3668   // ---------- magic ball content --------------------------------------------
3669
3670   {
3671     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3672     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3673     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3674     &level.ball_content[0].e[0][0],     3, 3,
3675     NULL, NULL, NULL, "1",              NULL
3676   },
3677   {
3678     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3679     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3680     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3681     &level.ball_content[1].e[0][0],     3, 3,
3682     NULL, NULL, NULL, "2",              NULL
3683   },
3684   {
3685     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3686     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3687     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3688     &level.ball_content[2].e[0][0],     3, 3,
3689     NULL, NULL, NULL, "3",              NULL
3690   },
3691   {
3692     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3693     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3694     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3695     &level.ball_content[3].e[0][0],     3, 3,
3696     NULL, NULL, NULL, "4",              NULL
3697   },
3698   {
3699     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3700     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3701     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3702     &level.ball_content[4].e[0][0],     3, 3,
3703     NULL, NULL, NULL, "5",              NULL
3704   },
3705   {
3706     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3707     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3708     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3709     &level.ball_content[5].e[0][0],     3, 3,
3710     NULL, NULL, NULL, "6",              NULL
3711   },
3712   {
3713     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3714     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3715     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3716     &level.ball_content[6].e[0][0],     3, 3,
3717     NULL, NULL, NULL, "7",              NULL
3718   },
3719   {
3720     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3721     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3722     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3723     &level.ball_content[7].e[0][0],     3, 3,
3724     NULL, NULL, NULL, "8",              NULL
3725   },
3726
3727   // ---------- android content -----------------------------------------------
3728
3729   {
3730     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3731     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3732     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3733     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3734     NULL, NULL, "elements:", NULL,      "elements android can clone"
3735   },
3736
3737   // ---------- amoeba content ------------------------------------------------
3738
3739   {
3740     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3741     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3742     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3743     &level.amoeba_content,              1, 1,
3744     "content:", NULL, NULL, NULL,       "amoeba content"
3745   },
3746
3747   // ---------- level start element -------------------------------------------
3748
3749   {
3750     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3751     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3752     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3753     &level.start_element[0],            1, 1,
3754     NULL, NULL, NULL, NULL,             "level start element"
3755   },
3756
3757   // ---------- player artwork element ----------------------------------------
3758
3759   {
3760     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3761     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3762     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3763     &level.artwork_element[0],          1, 1,
3764     NULL, NULL, NULL, NULL,             "element for player artwork"
3765   },
3766
3767   // ---------- player explosion element --------------------------------------
3768
3769   {
3770     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3771     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3773     &level.explosion_element[0],        1, 1,
3774     NULL, NULL, NULL, NULL,             "element for player explosion"
3775   },
3776
3777   // ---------- player initial inventory --------------------------------------
3778
3779   {
3780     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3781     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3782     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3783     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3784     NULL, NULL, NULL, NULL,             "content for initial inventory"
3785   },
3786
3787   // ---------- gray ball content -----------------------------------------
3788
3789   {
3790     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3791     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3792     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
3793     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
3794     "content:", NULL, NULL, NULL,       "content for gray ball"
3795   },
3796
3797   // ---------- element settings: configure 1 (custom elements) ---------------
3798
3799   // ---------- custom graphic ------------------------------------------------
3800
3801   {
3802     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3803     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3804     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3805     &custom_element.gfx_element_initial, 1, 1,
3806     NULL, NULL, NULL, NULL,             "custom graphic element"
3807   },
3808
3809   // ---------- element settings: configure 2 (custom elements) ---------------
3810
3811   // ---------- custom content (when exploding) -------------------------------
3812
3813   {
3814     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3815     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3816     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3817     &custom_element.content.e[0][0],    3, 3,
3818     "content:", NULL, NULL, NULL,       NULL
3819   },
3820
3821   // ---------- custom enter and leave element (when moving) ------------------
3822
3823   {
3824     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3825     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3826     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3827     &custom_element.move_enter_element, 1, 1,
3828     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3829   },
3830   {
3831     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3832     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3833     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3834     &custom_element.move_leave_element, 1, 1,
3835     NULL, NULL, NULL, NULL,             "element that will be left behind"
3836   },
3837
3838   // ---------- element settings: advanced (custom elements) ------------------
3839
3840   // ---------- custom change target ------------------------------------------
3841
3842   {
3843     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3844     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3845     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3846     &custom_element_change.target_element, 1, 1,
3847     NULL, "after/when:", NULL, NULL,    "new target element after change"
3848   },
3849
3850   // ---------- custom change content (extended change target) ----------------
3851
3852   {
3853     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3854     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3855     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3856     &custom_element_change.target_content.e[0][0], 3, 3,
3857     NULL, NULL, NULL, NULL,             "new extended elements after change"
3858   },
3859
3860   // ---------- custom change trigger (element causing change) ----------------
3861
3862   {
3863     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3864     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3865     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3866     &custom_element_change.initial_trigger_element, 1, 1,
3867     NULL, NULL, NULL, NULL,             "other element triggering change"
3868   },
3869
3870   // ---------- custom change action (element used for action) ----------------
3871
3872   {
3873     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3874     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3875     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3876     &custom_element_change.action_element, 1, 1,
3877     NULL, NULL, NULL, NULL,             "element used as action parameter"
3878   },
3879
3880   // ---------- group element content -----------------------------------------
3881
3882   {
3883     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3884     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3885     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3886     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3887     "content:", NULL, NULL, NULL,       NULL
3888   },
3889
3890   // ---------- random background (for random painting) -----------------------
3891
3892   {
3893     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3894     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3895     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3896     &random_placement_background_element, 1, 1,
3897     NULL, NULL, NULL, NULL,             "random placement background"
3898   },
3899 };
3900
3901
3902 // ----------------------------------------------------------------------------
3903 // some internally used variables
3904 // ----------------------------------------------------------------------------
3905
3906 // maximal size of level editor drawing area
3907 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3908
3909 // actual size of level editor drawing area
3910 static int ed_fieldx, ed_fieldy;
3911
3912 // actual position of level editor drawing area in level playfield
3913 static int level_xpos = -1, level_ypos = -1;
3914
3915 // actual tile size used to display playfield drawing area
3916 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3917 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3918
3919 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3920
3921 // drawing elements on the three mouse buttons
3922 static int new_element1 = EL_WALL;
3923 static int new_element2 = EL_EMPTY;
3924 static int new_element3 = EL_SAND;
3925
3926 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3927 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3928                                 (button) == 2 ? new_element2 : \
3929                                 (button) == 3 ? new_element3 : EL_EMPTY)
3930
3931 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3932
3933 static int use_permanent_palette = TRUE;
3934
3935 #define PX              (use_permanent_palette ? DX : SX)
3936 #define PY              (use_permanent_palette ? DY : SY)
3937 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3938 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3939
3940 // forward declaration for internal use
3941 static void CopyBrushToCursor(int, int);
3942 static void DeleteBrushFromCursor(void);
3943 static void ModifyEditorCounterValue(int, int);
3944 static void ModifyEditorCounterLimits(int, int, int);
3945 static void ModifyEditorSelectboxValue(int, int);
3946 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3947 static void ModifyEditorDrawingArea(int, int, int);
3948 static void ModifyEditorElementList(void);
3949 static void AdjustElementListScrollbar(void);
3950 static void RedrawDrawingElements(void);
3951 static void DrawDrawingWindowExt(boolean);
3952 static void DrawDrawingWindow(void);
3953 static void DrawLevelConfigWindow(void);
3954 static void DrawPropertiesWindow(void);
3955 static void DrawPaletteWindow(void);
3956 static void UpdateCustomElementGraphicGadgets(void);
3957 static boolean checkPropertiesConfig(int);
3958 static void SetAutomaticNumberOfGemsNeeded(void);
3959 static void ClearEditorGadgetInfoText(void);
3960 static void CopyLevelToUndoBuffer(int);
3961 static void HandleDrawingAreas(struct GadgetInfo *);
3962 static void HandleCounterButtons(struct GadgetInfo *);
3963 static void HandleTextInputGadgets(struct GadgetInfo *);
3964 static void HandleTextAreaGadgets(struct GadgetInfo *);
3965 static void HandleSelectboxGadgets(struct GadgetInfo *);
3966 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3967 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3968 static void HandleRadiobuttons(struct GadgetInfo *);
3969 static void HandleCheckbuttons(struct GadgetInfo *);
3970 static void HandleControlButtons(struct GadgetInfo *);
3971 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3972 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3973 static boolean AskToCopyAndModifyLevelTemplate(void);
3974 static boolean getDrawModeHiRes(void);
3975 static int getTabulatorBarWidth(void);
3976 static int getTabulatorBarHeight(void);
3977 static Pixel getTabulatorBarColor(void);
3978 static int numHiresTiles(int);
3979
3980 static int num_editor_gadgets = 0;      // dynamically determined
3981
3982 static struct GadgetInfo **level_editor_gadget = NULL;
3983 static int *right_gadget_border = NULL;
3984
3985 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3986 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3987 static boolean draw_with_brush = FALSE;
3988 static int properties_element = 0;
3989
3990 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3991 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3992 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3993 static int undo_buffer_position = 0;
3994 static int undo_buffer_steps = 0;
3995 static int redo_buffer_steps = 0;
3996
3997 static int edit_mode;
3998 static int edit_mode_levelconfig;
3999 static int edit_mode_properties;
4000
4001 static int element_shift = 0;
4002
4003 static int editor_el_players[] =
4004 {
4005   EL_PLAYER_1,
4006   EL_PLAYER_2,
4007   EL_PLAYER_3,
4008   EL_PLAYER_4
4009 };
4010 static int *editor_el_players_ptr = editor_el_players;
4011 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4012
4013 static int editor_hl_boulderdash[] =
4014 {
4015   EL_INTERNAL_CASCADE_BD_ACTIVE,
4016   EL_CHAR('B'),
4017   EL_CHAR('D'),
4018   EL_EMPTY,
4019 };
4020
4021 static int editor_el_boulderdash[] =
4022 {
4023   EL_EMPTY,
4024   EL_SAND,
4025   EL_BD_ROCK,
4026   EL_BD_DIAMOND,
4027
4028   EL_STEELWALL,
4029   EL_BD_WALL,
4030   EL_BD_EXPANDABLE_WALL,
4031   EL_BD_MAGIC_WALL,
4032
4033   EL_BD_AMOEBA,
4034   EL_BD_BUTTERFLY_UP,
4035   EL_BD_FIREFLY_UP,
4036   EL_EXIT_CLOSED,
4037
4038   EL_BD_BUTTERFLY_LEFT,
4039   EL_BD_FIREFLY_LEFT,
4040   EL_BD_BUTTERFLY_RIGHT,
4041   EL_BD_FIREFLY_RIGHT,
4042
4043   EL_EMPTY,
4044   EL_BD_BUTTERFLY_DOWN,
4045   EL_BD_FIREFLY_DOWN,
4046   EL_EXIT_OPEN,
4047 };
4048 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4049 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4050 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4051 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4052
4053 static int editor_hl_boulderdash_native[] =
4054 {
4055   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4056   EL_CHAR('B'),
4057   EL_CHAR('D'),
4058   EL_EMPTY,
4059 };
4060
4061 static int editor_el_boulderdash_native[] =
4062 {
4063   EL_EMPTY,
4064   EL_BD_SAND,
4065   EL_BD_ROCK,
4066   EL_BD_DIAMOND,
4067
4068   EL_BD_STEELWALL,
4069   EL_BD_WALL,
4070   EL_EMPTY,
4071   EL_BD_MAGIC_WALL,
4072
4073   EL_BD_AMOEBA,
4074   EL_BD_BUTTERFLY_UP,
4075   EL_BD_FIREFLY_UP,
4076   EL_EXIT_CLOSED,
4077
4078   EL_BD_BUTTERFLY_LEFT,
4079   EL_BD_FIREFLY_LEFT,
4080   EL_BD_BUTTERFLY_RIGHT,
4081   EL_BD_FIREFLY_RIGHT,
4082
4083   EL_BD_INBOX,
4084   EL_BD_BUTTERFLY_DOWN,
4085   EL_BD_FIREFLY_DOWN,
4086   EL_EXIT_OPEN,
4087
4088   EL_BD_AMOEBA_2,
4089   EL_BD_BUTTERFLY_2_UP,
4090   EL_BD_FIREFLY_2_UP,
4091   EL_EMPTY,
4092
4093   EL_BD_BUTTERFLY_2_LEFT,
4094   EL_BD_FIREFLY_2_LEFT,
4095   EL_BD_BUTTERFLY_2_RIGHT,
4096   EL_BD_FIREFLY_2_RIGHT,
4097
4098   EL_EMPTY,
4099   EL_BD_BUTTERFLY_2_DOWN,
4100   EL_BD_FIREFLY_2_DOWN,
4101   EL_EMPTY,
4102
4103   EL_EMPTY,
4104   EL_BD_DRAGONFLY_UP,
4105   EL_BD_STONEFLY_UP,
4106   EL_EMPTY,
4107
4108   EL_BD_DRAGONFLY_LEFT,
4109   EL_BD_STONEFLY_LEFT,
4110   EL_BD_DRAGONFLY_RIGHT,
4111   EL_BD_STONEFLY_RIGHT,
4112
4113   EL_EMPTY,
4114   EL_BD_DRAGONFLY_DOWN,
4115   EL_BD_STONEFLY_DOWN,
4116   EL_EMPTY,
4117
4118   EL_EMPTY,
4119   EL_BD_BITER_UP,
4120   EL_BD_COW_UP,
4121   EL_EMPTY,
4122
4123   EL_BD_BITER_LEFT,
4124   EL_BD_COW_LEFT,
4125   EL_BD_BITER_RIGHT,
4126   EL_BD_COW_RIGHT,
4127
4128   EL_EMPTY,
4129   EL_BD_BITER_DOWN,
4130   EL_BD_COW_DOWN,
4131   EL_EMPTY,
4132
4133   EL_EMPTY,
4134   EL_BD_SAND,
4135   EL_BD_SAND_BALL,
4136   EL_BD_SAND_LOOSE,
4137
4138   EL_BD_SAND_SLOPED_UP_LEFT,
4139   EL_BD_SAND_SLOPED_UP_RIGHT,
4140   EL_BD_WALL_SLOPED_UP_LEFT,
4141   EL_BD_WALL_SLOPED_UP_RIGHT,
4142
4143   EL_BD_SAND_SLOPED_DOWN_LEFT,
4144   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4145   EL_BD_WALL_SLOPED_DOWN_LEFT,
4146   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4147
4148   EL_BD_FLYING_DIAMOND,
4149   EL_BD_FLYING_ROCK,
4150   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4151   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4152
4153   EL_BD_NUT,
4154   EL_BD_MEGA_ROCK,
4155   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4156   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4157
4158   EL_BD_SAND_2,
4159   EL_BD_WALL_NON_SLOPED,
4160   EL_BD_WALL,
4161   EL_BD_MAGIC_WALL,
4162
4163   EL_BD_EXIT_CLOSED,
4164   EL_BD_EXIT_OPEN,
4165   EL_BD_INVISIBLE_EXIT_CLOSED,
4166   EL_BD_INVISIBLE_EXIT_OPEN,
4167
4168   EL_BD_STEELWALL,
4169   EL_BD_STEELWALL_EXPLODABLE,
4170   EL_BD_STEELWALL_DIGGABLE,
4171   EL_BD_WALL_DIGGABLE,
4172
4173   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4174   EL_BD_EXPANDABLE_WALL_VERTICAL,
4175   EL_BD_EXPANDABLE_WALL_ANY,
4176   EL_BD_CREATURE_SWITCH,
4177
4178   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4179   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4180   EL_BD_EXPANDABLE_STEELWALL_ANY,
4181   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4182
4183   EL_BD_BITER_SWITCH_1,
4184   EL_BD_REPLICATOR_SWITCH,
4185   EL_BD_CONVEYOR_SWITCH,
4186   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4187
4188   EL_BD_ACID,
4189   EL_BD_FALLING_WALL,
4190   EL_BD_BOX,
4191   EL_BD_TIME_PENALTY,
4192
4193   EL_BD_GRAVESTONE,
4194   EL_BD_ROCK_GLUED,
4195   EL_BD_DIAMOND_GLUED,
4196   EL_BD_DIAMOND_KEY,
4197
4198   EL_BD_TRAPPED_DIAMOND,
4199   EL_BD_CLOCK,
4200   EL_BD_SAND_GLUED,
4201   EL_BD_WATER,
4202
4203   EL_BD_KEY_1,
4204   EL_BD_KEY_2,
4205   EL_BD_KEY_3,
4206   EL_EMPTY,
4207
4208   EL_BD_WALL_KEY_1,
4209   EL_BD_WALL_KEY_2,
4210   EL_BD_WALL_KEY_3,
4211   EL_BD_WALL_DIAMOND,
4212
4213   EL_BD_GATE_1,
4214   EL_BD_GATE_2,
4215   EL_BD_GATE_3,
4216   EL_BD_POT,
4217
4218   EL_BD_GRAVITY_SWITCH,
4219   EL_BD_PNEUMATIC_HAMMER,
4220   EL_BD_TELEPORTER,
4221   EL_BD_SKELETON,
4222
4223   EL_BD_AMOEBA,
4224   EL_BD_AMOEBA_2,
4225   EL_BD_REPLICATOR,
4226   EL_BD_BLADDER_SPENDER,
4227
4228   EL_BD_CONVEYOR_LEFT,
4229   EL_BD_CONVEYOR_RIGHT,
4230   EL_BD_BOMB,
4231   EL_BD_NITRO_PACK,
4232
4233   EL_BD_LAVA,
4234   EL_BD_SWEET,
4235   EL_BD_VOODOO_DOLL,
4236   EL_BD_SLIME,
4237
4238   EL_BD_BLADDER,
4239   EL_BD_WAITING_ROCK,
4240   EL_BD_CHASING_ROCK,
4241   EL_BD_GHOST,
4242
4243   EL_BD_PLAYER,
4244   EL_BD_PLAYER_WITH_BOMB,
4245   EL_BD_PLAYER_GLUED,
4246   EL_BD_PLAYER_STIRRING,
4247 };
4248 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4249 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4250 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4251 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4252
4253 static int editor_hl_emerald_mine[] =
4254 {
4255   EL_INTERNAL_CASCADE_EM_ACTIVE,
4256   EL_CHAR('E'),
4257   EL_CHAR('M'),
4258   EL_EMPTY,
4259 };
4260
4261 static int editor_el_emerald_mine[] =
4262 {
4263   EL_SAND,
4264   EL_ROCK,
4265   EL_QUICKSAND_EMPTY,
4266   EL_QUICKSAND_FULL,
4267
4268   EL_STEELWALL,
4269   EL_WALL,
4270   EL_WALL_SLIPPERY,
4271   EL_MAGIC_WALL,
4272
4273   EL_EMERALD,
4274   EL_DIAMOND,
4275   EL_NUT,
4276   EL_BOMB,
4277
4278   EL_EM_DYNAMITE,
4279   EL_EM_DYNAMITE_ACTIVE,
4280   EL_EM_EXIT_CLOSED,
4281   EL_EM_EXIT_OPEN,
4282
4283   EL_YAMYAM_UP,
4284   EL_BUG_UP,
4285   EL_SPACESHIP_UP,
4286   EL_ROBOT,
4287
4288   EL_BUG_LEFT,
4289   EL_SPACESHIP_LEFT,
4290   EL_BUG_RIGHT,
4291   EL_SPACESHIP_RIGHT,
4292
4293   EL_ROBOT_WHEEL,
4294   EL_BUG_DOWN,
4295   EL_SPACESHIP_DOWN,
4296   EL_INVISIBLE_WALL,
4297
4298   EL_ACID_POOL_TOPLEFT,
4299   EL_ACID,
4300   EL_ACID_POOL_TOPRIGHT,
4301   EL_AMOEBA_DROP,
4302
4303   EL_ACID_POOL_BOTTOMLEFT,
4304   EL_ACID_POOL_BOTTOM,
4305   EL_ACID_POOL_BOTTOMRIGHT,
4306   EL_AMOEBA_WET,
4307
4308   EL_EM_KEY_1,
4309   EL_EM_KEY_2,
4310   EL_EM_KEY_3,
4311   EL_EM_KEY_4,
4312
4313   EL_EM_GATE_1,
4314   EL_EM_GATE_2,
4315   EL_EM_GATE_3,
4316   EL_EM_GATE_4,
4317
4318   EL_EM_GATE_1_GRAY,
4319   EL_EM_GATE_2_GRAY,
4320   EL_EM_GATE_3_GRAY,
4321   EL_EM_GATE_4_GRAY,
4322 };
4323 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4324 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4325 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4326 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4327
4328 static int editor_hl_emerald_mine_club[] =
4329 {
4330   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4331   EL_CHAR('E'),
4332   EL_CHAR('M'),
4333   EL_CHAR('C'),
4334 };
4335
4336 static int editor_el_emerald_mine_club[] =
4337 {
4338   EL_EMC_KEY_5,
4339   EL_EMC_KEY_6,
4340   EL_EMC_KEY_7,
4341   EL_EMC_KEY_8,
4342
4343   EL_EMC_GATE_5,
4344   EL_EMC_GATE_6,
4345   EL_EMC_GATE_7,
4346   EL_EMC_GATE_8,
4347
4348   EL_EMC_GATE_5_GRAY,
4349   EL_EMC_GATE_6_GRAY,
4350   EL_EMC_GATE_7_GRAY,
4351   EL_EMC_GATE_8_GRAY,
4352
4353   EL_EMC_STEELWALL_1,
4354   EL_EMC_STEELWALL_2,
4355   EL_EMC_STEELWALL_3,
4356   EL_EMC_STEELWALL_4,
4357
4358   EL_EMC_WALL_13,
4359   EL_EMC_WALL_14,
4360   EL_EMC_WALL_15,
4361   EL_EMC_WALL_16,
4362
4363   EL_EMC_WALL_SLIPPERY_1,
4364   EL_EMC_WALL_SLIPPERY_2,
4365   EL_EMC_WALL_SLIPPERY_3,
4366   EL_EMC_WALL_SLIPPERY_4,
4367
4368   EL_EMC_WALL_1,
4369   EL_EMC_WALL_2,
4370   EL_EMC_WALL_3,
4371   EL_EMC_WALL_4,
4372
4373   EL_EMC_WALL_5,
4374   EL_EMC_WALL_6,
4375   EL_EMC_WALL_7,
4376   EL_EMC_WALL_8,
4377
4378   EL_EMC_WALL_9,
4379   EL_EMC_WALL_10,
4380   EL_EMC_WALL_11,
4381   EL_EMC_WALL_12,
4382
4383   EL_EMC_GRASS,
4384   EL_EMC_FAKE_GRASS,
4385   EL_EMC_PLANT,
4386   EL_EMC_DRIPPER,
4387
4388   EL_EMC_MAGIC_BALL,
4389   EL_EMC_MAGIC_BALL_SWITCH,
4390   EL_EMC_LENSES,
4391   EL_EMC_MAGNIFIER,
4392
4393   EL_SPRING_LEFT,
4394   EL_SPRING,
4395   EL_SPRING_RIGHT,
4396   EL_EMC_SPRING_BUMPER,
4397
4398   EL_BALLOON,
4399   EL_YAMYAM_UP,
4400   EL_BALLOON_SWITCH_UP,
4401   EL_BALLOON_SWITCH_ANY,
4402
4403   EL_YAMYAM_LEFT,
4404   EL_BALLOON_SWITCH_LEFT,
4405   EL_YAMYAM_RIGHT,
4406   EL_BALLOON_SWITCH_RIGHT,
4407
4408   EL_EMC_ANDROID,
4409   EL_YAMYAM_DOWN,
4410   EL_BALLOON_SWITCH_DOWN,
4411   EL_BALLOON_SWITCH_NONE,
4412 };
4413 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4414 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4415 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4416 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4417
4418 static int editor_hl_rnd[] =
4419 {
4420   EL_INTERNAL_CASCADE_RND_ACTIVE,
4421   EL_CHAR('R'),
4422   EL_CHAR('N'),
4423   EL_CHAR('D'),
4424 };
4425
4426 static int editor_el_rnd[] =
4427 {
4428   EL_DYNAMITE,                  // RND
4429   EL_DYNAMITE_ACTIVE,           // RND
4430   EL_EMPTY,
4431   EL_EMPTY,
4432
4433   EL_KEY_1,
4434   EL_KEY_2,
4435   EL_KEY_3,
4436   EL_KEY_4,
4437
4438   EL_GATE_1,
4439   EL_GATE_2,
4440   EL_GATE_3,
4441   EL_GATE_4,
4442
4443   EL_GATE_1_GRAY,
4444   EL_GATE_2_GRAY,
4445   EL_GATE_3_GRAY,
4446   EL_GATE_4_GRAY,
4447
4448   EL_ARROW_LEFT,
4449   EL_ARROW_RIGHT,
4450   EL_ARROW_UP,
4451   EL_ARROW_DOWN,
4452
4453   EL_AMOEBA_DEAD,
4454   EL_AMOEBA_DRY,
4455   EL_AMOEBA_FULL,
4456   EL_GAME_OF_LIFE,
4457
4458   EL_EMERALD_YELLOW,
4459   EL_EMERALD_RED,
4460   EL_EMERALD_PURPLE,
4461   EL_BIOMAZE,
4462
4463   EL_WALL_EMERALD_YELLOW,
4464   EL_WALL_EMERALD_RED,
4465   EL_WALL_EMERALD_PURPLE,
4466   EL_WALL_BD_DIAMOND,
4467
4468   EL_SPEED_PILL,
4469   EL_PACMAN_UP,
4470   EL_TIME_ORB_FULL,
4471   EL_TIME_ORB_EMPTY,
4472
4473   EL_PACMAN_LEFT,
4474   EL_DARK_YAMYAM,
4475   EL_PACMAN_RIGHT,
4476   EL_YAMYAM,                    // RND
4477
4478   EL_BLACK_ORB,
4479   EL_PACMAN_DOWN,
4480   EL_LAMP,
4481   EL_LAMP_ACTIVE,
4482
4483   EL_DYNABOMB_INCREASE_NUMBER,
4484   EL_DYNABOMB_INCREASE_SIZE,
4485   EL_DYNABOMB_INCREASE_POWER,
4486   EL_STONEBLOCK,
4487
4488   EL_MOLE,
4489   EL_PENGUIN,
4490   EL_PIG,
4491   EL_DRAGON,
4492
4493   EL_BUG,
4494   EL_MOLE_UP,
4495   EL_BD_BUTTERFLY,
4496   EL_BD_FIREFLY,
4497
4498   EL_MOLE_LEFT,
4499   EL_SATELLITE,
4500   EL_MOLE_RIGHT,
4501   EL_PACMAN,
4502
4503   EL_SPACESHIP,
4504   EL_MOLE_DOWN,
4505   EL_INVISIBLE_STEELWALL,
4506   EL_INVISIBLE_WALL,
4507
4508   EL_EXPANDABLE_WALL,
4509   EL_EXPANDABLE_WALL_HORIZONTAL,
4510   EL_EXPANDABLE_WALL_VERTICAL,
4511   EL_EXPANDABLE_WALL_ANY,
4512 };
4513 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4514 static int *editor_el_rnd_ptr = editor_el_rnd;
4515 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4516 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4517
4518 static int editor_hl_sokoban[] =
4519 {
4520   EL_INTERNAL_CASCADE_SB_ACTIVE,
4521   EL_CHAR('S'),
4522   EL_CHAR('B'),
4523   EL_EMPTY,
4524 };
4525
4526 static int editor_el_sokoban[] =
4527 {
4528   EL_SOKOBAN_OBJECT,
4529   EL_SOKOBAN_FIELD_EMPTY,
4530   EL_SOKOBAN_FIELD_FULL,
4531   EL_SOKOBAN_FIELD_PLAYER,
4532 };
4533 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4534 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4535 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4536 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4537
4538 static int editor_hl_supaplex[] =
4539 {
4540   EL_INTERNAL_CASCADE_SP_ACTIVE,
4541   EL_CHAR('S'),
4542   EL_CHAR('P'),
4543   EL_EMPTY,
4544 };
4545
4546 static int editor_el_supaplex[] =
4547 {
4548   EL_SP_MURPHY,
4549   EL_EMPTY,
4550   EL_SP_BASE,
4551   EL_SP_BUGGY_BASE,
4552
4553   EL_SP_INFOTRON,
4554   EL_SP_ZONK,
4555   EL_SP_SNIKSNAK,
4556   EL_SP_ELECTRON,
4557
4558   EL_SP_DISK_RED,
4559   EL_SP_DISK_ORANGE,
4560   EL_SP_DISK_YELLOW,
4561   EL_SP_TERMINAL,
4562
4563   EL_SP_EXIT_CLOSED,
4564   EL_SP_PORT_HORIZONTAL,
4565   EL_SP_PORT_VERTICAL,
4566   EL_SP_PORT_ANY,
4567
4568   EL_SP_PORT_LEFT,
4569   EL_SP_PORT_RIGHT,
4570   EL_SP_PORT_UP,
4571   EL_SP_PORT_DOWN,
4572
4573   EL_SP_GRAVITY_PORT_LEFT,
4574   EL_SP_GRAVITY_PORT_RIGHT,
4575   EL_SP_GRAVITY_PORT_UP,
4576   EL_SP_GRAVITY_PORT_DOWN,
4577
4578   EL_SP_GRAVITY_ON_PORT_LEFT,
4579   EL_SP_GRAVITY_ON_PORT_RIGHT,
4580   EL_SP_GRAVITY_ON_PORT_UP,
4581   EL_SP_GRAVITY_ON_PORT_DOWN,
4582
4583   EL_SP_GRAVITY_OFF_PORT_LEFT,
4584   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4585   EL_SP_GRAVITY_OFF_PORT_UP,
4586   EL_SP_GRAVITY_OFF_PORT_DOWN,
4587
4588   EL_SP_HARDWARE_GRAY,
4589   EL_SP_HARDWARE_GREEN,
4590   EL_SP_HARDWARE_BLUE,
4591   EL_SP_HARDWARE_RED,
4592
4593   EL_SP_HARDWARE_BASE_1,
4594   EL_SP_HARDWARE_BASE_2,
4595   EL_SP_HARDWARE_BASE_3,
4596   EL_SP_HARDWARE_BASE_4,
4597
4598   EL_SP_HARDWARE_BASE_5,
4599   EL_SP_HARDWARE_BASE_6,
4600   EL_SP_HARDWARE_YELLOW,
4601   EL_SP_CHIP_TOP,
4602
4603   EL_SP_CHIP_SINGLE,
4604   EL_SP_CHIP_LEFT,
4605   EL_SP_CHIP_RIGHT,
4606   EL_SP_CHIP_BOTTOM,
4607 };
4608 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4609 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4610 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4611 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4612
4613 static int editor_hl_diamond_caves[] =
4614 {
4615   EL_INTERNAL_CASCADE_DC_ACTIVE,
4616   EL_CHAR('D'),
4617   EL_CHAR('C'),
4618   EL_CHAR('2'),
4619 };
4620
4621 static int editor_el_diamond_caves[] =
4622 {
4623   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4624   EL_EM_STEEL_EXIT_OPEN,        // DC2
4625   EL_WALL_EMERALD,              // DC2
4626   EL_WALL_DIAMOND,              // DC2
4627
4628   EL_PEARL,
4629   EL_CRYSTAL,
4630   EL_WALL_PEARL,
4631   EL_WALL_CRYSTAL,
4632
4633   EL_CONVEYOR_BELT_1_LEFT,
4634   EL_CONVEYOR_BELT_1_MIDDLE,
4635   EL_CONVEYOR_BELT_1_RIGHT,
4636   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4637
4638   EL_CONVEYOR_BELT_2_LEFT,
4639   EL_CONVEYOR_BELT_2_MIDDLE,
4640   EL_CONVEYOR_BELT_2_RIGHT,
4641   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4642
4643   EL_CONVEYOR_BELT_3_LEFT,
4644   EL_CONVEYOR_BELT_3_MIDDLE,
4645   EL_CONVEYOR_BELT_3_RIGHT,
4646   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4647
4648   EL_CONVEYOR_BELT_4_LEFT,
4649   EL_CONVEYOR_BELT_4_MIDDLE,
4650   EL_CONVEYOR_BELT_4_RIGHT,
4651   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4652
4653   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4654   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4655   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4656   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4657
4658   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4659   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4660   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4661   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4662
4663   EL_TIMEGATE_CLOSED,
4664   EL_TIMEGATE_OPEN,
4665   EL_TIMEGATE_SWITCH,
4666   EL_DC_TIMEGATE_SWITCH,
4667
4668   EL_SWITCHGATE_CLOSED,
4669   EL_SWITCHGATE_OPEN,
4670   EL_SWITCHGATE_SWITCH_UP,
4671   EL_SWITCHGATE_SWITCH_DOWN,
4672
4673   EL_LIGHT_SWITCH,
4674   EL_LIGHT_SWITCH_ACTIVE,
4675   EL_DC_SWITCHGATE_SWITCH_UP,
4676   EL_DC_SWITCHGATE_SWITCH_DOWN,
4677
4678   EL_STEEL_EXIT_CLOSED,
4679   EL_STEEL_EXIT_OPEN,
4680   EL_STEELWALL_SLIPPERY,
4681   EL_INVISIBLE_SAND,
4682
4683   EL_QUICKSAND_FAST_EMPTY,
4684   EL_QUICKSAND_FAST_FULL,
4685   EL_LANDMINE,
4686   EL_DC_LANDMINE,
4687
4688   EL_SHIELD_NORMAL,
4689   EL_SHIELD_DEADLY,
4690   EL_EXTRA_TIME,
4691   EL_DC_MAGIC_WALL,
4692
4693   EL_ENVELOPE_1,
4694   EL_ENVELOPE_2,
4695   EL_ENVELOPE_3,
4696   EL_ENVELOPE_4,
4697
4698   EL_SIGN_RADIOACTIVITY,
4699   EL_SIGN_WHEELCHAIR,
4700   EL_SIGN_PARKING,
4701   EL_SIGN_NO_ENTRY,
4702
4703   EL_SIGN_GIVE_WAY,
4704   EL_SIGN_ENTRY_FORBIDDEN,
4705   EL_SIGN_EMERGENCY_EXIT,
4706   EL_SIGN_YIN_YANG,
4707
4708 #if 0
4709   EL_SIGN_SPERMS,
4710   EL_SIGN_BULLET,
4711   EL_SIGN_HEART,
4712   EL_SIGN_CROSS,
4713
4714   EL_SIGN_FRANKIE,
4715   EL_EMPTY,
4716   EL_EMPTY,
4717   EL_EMPTY,
4718
4719   EL_SPERMS,
4720   EL_BULLET,
4721   EL_HEART,
4722   EL_CROSS,
4723
4724   EL_FRANKIE,
4725   EL_EMPTY,
4726   EL_EMPTY,
4727   EL_EMPTY,
4728 #endif
4729
4730   EL_DC_STEELWALL_2_SINGLE,
4731   EL_DC_STEELWALL_2_TOP,
4732   EL_SIGN_EXCLAMATION,
4733   EL_SIGN_STOP,
4734
4735   EL_DC_STEELWALL_2_LEFT,
4736   EL_DC_STEELWALL_2_MIDDLE,
4737   EL_DC_STEELWALL_2_HORIZONTAL,
4738   EL_DC_STEELWALL_2_RIGHT,
4739
4740   EL_DC_STEELWALL_1_TOPLEFT,
4741   EL_DC_STEELWALL_2_VERTICAL,
4742   EL_DC_STEELWALL_1_TOPRIGHT,
4743   EL_DC_GATE_WHITE,
4744
4745   EL_DC_STEELWALL_1_VERTICAL,
4746   EL_DC_STEELWALL_2_BOTTOM,
4747   EL_DC_KEY_WHITE,
4748   EL_DC_GATE_WHITE_GRAY,
4749
4750   EL_DC_STEELWALL_1_BOTTOMLEFT,
4751   EL_DC_STEELWALL_1_HORIZONTAL,
4752   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4753   EL_DC_GATE_FAKE_GRAY,
4754
4755   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4756   EL_DC_STEELWALL_1_BOTTOM,
4757   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4758   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4759
4760   EL_DC_STEELWALL_1_RIGHT,
4761   EL_EMPTY,
4762   EL_DC_STEELWALL_1_LEFT,
4763   EL_EXPANDABLE_STEELWALL_VERTICAL,
4764
4765   EL_DC_STEELWALL_1_TOPRIGHT_2,
4766   EL_DC_STEELWALL_1_TOP,
4767   EL_DC_STEELWALL_1_TOPLEFT_2,
4768   EL_EXPANDABLE_STEELWALL_ANY,
4769 };
4770 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4771 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4772 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4773 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4774
4775 static int editor_hl_dx_boulderdash[] =
4776 {
4777   EL_INTERNAL_CASCADE_DX_ACTIVE,
4778   EL_CHAR('D'),
4779   EL_CHAR('X'),
4780   EL_EMPTY,
4781 };
4782
4783 static int editor_el_dx_boulderdash[] =
4784 {
4785   EL_EMPTY,
4786   EL_TUBE_RIGHT_DOWN,
4787   EL_TUBE_HORIZONTAL_DOWN,
4788   EL_TUBE_LEFT_DOWN,
4789
4790   EL_TUBE_HORIZONTAL,
4791   EL_TUBE_VERTICAL_RIGHT,
4792   EL_TUBE_ANY,
4793   EL_TUBE_VERTICAL_LEFT,
4794
4795   EL_TUBE_VERTICAL,
4796   EL_TUBE_RIGHT_UP,
4797   EL_TUBE_HORIZONTAL_UP,
4798   EL_TUBE_LEFT_UP,
4799
4800   EL_TRAP,
4801   EL_DX_SUPABOMB,
4802   EL_EMPTY,
4803   EL_EMPTY
4804 };
4805 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4806 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4807 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4808 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4809
4810 static int editor_hl_mirror_magic[] =
4811 {
4812   EL_INTERNAL_CASCADE_MM_ACTIVE,
4813   EL_CHAR('M'),
4814   EL_CHAR('M'),
4815   EL_EMPTY,
4816 };
4817
4818 static int editor_el_mirror_magic[] =
4819 {
4820   EL_MM_MCDUFFIN_RIGHT,
4821   EL_MM_MCDUFFIN_UP,
4822   EL_MM_MCDUFFIN_LEFT,
4823   EL_MM_MCDUFFIN_DOWN,
4824
4825   EL_MM_MIRROR_START,
4826   EL_MM_MIRROR_FIXED_START,
4827   EL_MM_POLARIZER_START,
4828   EL_MM_POLARIZER_CROSS_START,
4829
4830   EL_MM_TELEPORTER_RED_START,
4831   EL_MM_TELEPORTER_YELLOW_START,
4832   EL_MM_TELEPORTER_GREEN_START,
4833   EL_MM_TELEPORTER_BLUE_START,
4834
4835   EL_MM_PRISM,
4836   EL_MM_FUSE_ACTIVE,
4837   EL_MM_PACMAN_RIGHT,
4838   EL_MM_EXIT_CLOSED,
4839
4840   EL_MM_KETTLE,
4841   EL_MM_BOMB,
4842   EL_MM_KEY,
4843   EL_MM_FUEL_FULL,
4844
4845   EL_MM_LIGHTBULB,
4846   EL_MM_LIGHTBULB_ACTIVE,
4847   EL_MM_GRAY_BALL,
4848   EL_MM_LIGHTBALL,
4849
4850   EL_MM_STEEL_WALL,
4851   EL_MM_WOODEN_WALL,
4852   EL_MM_ICE_WALL,
4853   EL_MM_AMOEBA_WALL,
4854
4855   EL_MM_STEEL_LOCK,
4856   EL_MM_WOODEN_LOCK,
4857   EL_MM_STEEL_BLOCK,
4858   EL_MM_WOODEN_BLOCK,
4859
4860   EL_MM_STEEL_GRID_FIXED_1,
4861   EL_MM_STEEL_GRID_FIXED_2,
4862   EL_MM_STEEL_GRID_FIXED_3,
4863   EL_MM_STEEL_GRID_FIXED_4,
4864
4865   EL_MM_WOODEN_GRID_FIXED_1,
4866   EL_MM_WOODEN_GRID_FIXED_2,
4867   EL_MM_WOODEN_GRID_FIXED_3,
4868   EL_MM_WOODEN_GRID_FIXED_4,
4869
4870   EL_MM_ENVELOPE_1,
4871   EL_MM_ENVELOPE_2,
4872   EL_MM_ENVELOPE_3,
4873   EL_MM_ENVELOPE_4
4874 };
4875 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4876 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4877 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4878 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4879
4880 static int editor_hl_deflektor[] =
4881 {
4882   EL_INTERNAL_CASCADE_DF_ACTIVE,
4883   EL_CHAR('D'),
4884   EL_CHAR('F'),
4885   EL_EMPTY,
4886 };
4887
4888 static int editor_el_deflektor[] =
4889 {
4890   EL_DF_LASER_RIGHT,
4891   EL_DF_LASER_UP,
4892   EL_DF_LASER_LEFT,
4893   EL_DF_LASER_DOWN,
4894
4895   EL_DF_RECEIVER_RIGHT,
4896   EL_DF_RECEIVER_UP,
4897   EL_DF_RECEIVER_LEFT,
4898   EL_DF_RECEIVER_DOWN,
4899
4900   EL_DF_MIRROR_START,
4901   EL_DF_MIRROR_ROTATING_START,
4902   EL_DF_MIRROR_FIXED_START,
4903   EL_DF_CELL,
4904
4905   EL_DF_FIBRE_OPTIC_RED_1,
4906   EL_DF_FIBRE_OPTIC_YELLOW_1,
4907   EL_DF_FIBRE_OPTIC_GREEN_1,
4908   EL_DF_FIBRE_OPTIC_BLUE_1,
4909
4910   EL_DF_STEEL_GRID_FIXED_START,
4911   EL_DF_STEEL_GRID_ROTATING_START,
4912   EL_DF_WOODEN_GRID_FIXED_START,
4913   EL_DF_WOODEN_GRID_ROTATING_START,
4914
4915   EL_DF_STEEL_WALL,
4916   EL_DF_WOODEN_WALL,
4917   EL_DF_REFRACTOR,
4918   EL_DF_MINE,
4919
4920   EL_DF_SLOPE_1,
4921   EL_DF_SLOPE_2,
4922   EL_DF_SLOPE_3,
4923   EL_DF_SLOPE_4
4924 };
4925 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4926 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4927 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4928 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4929
4930 static int editor_hl_chars[] =
4931 {
4932   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4933   EL_CHAR('T'),
4934   EL_CHAR('X'),
4935   EL_CHAR('T'),
4936 };
4937
4938 static int editor_el_chars[] =
4939 {
4940   EL_CHAR(' '),
4941   EL_CHAR('!'),
4942   EL_CHAR('"'),
4943   EL_CHAR('#'),
4944
4945   EL_CHAR('$'),
4946   EL_CHAR('%'),
4947   EL_CHAR('&'),
4948   EL_CHAR('\''),
4949
4950   EL_CHAR('('),
4951   EL_CHAR(')'),
4952   EL_CHAR('*'),
4953   EL_CHAR('+'),
4954
4955   EL_CHAR(','),
4956   EL_CHAR('-'),
4957   EL_CHAR('.'),
4958   EL_CHAR('/'),
4959
4960   EL_CHAR('0'),
4961   EL_CHAR('1'),
4962   EL_CHAR('2'),
4963   EL_CHAR('3'),
4964
4965   EL_CHAR('4'),
4966   EL_CHAR('5'),
4967   EL_CHAR('6'),
4968   EL_CHAR('7'),
4969
4970   EL_CHAR('8'),
4971   EL_CHAR('9'),
4972   EL_CHAR(':'),
4973   EL_CHAR(';'),
4974
4975   EL_CHAR('<'),
4976   EL_CHAR('='),
4977   EL_CHAR('>'),
4978   EL_CHAR('?'),
4979
4980   EL_CHAR('@'),
4981   EL_CHAR('A'),
4982   EL_CHAR('B'),
4983   EL_CHAR('C'),
4984
4985   EL_CHAR('D'),
4986   EL_CHAR('E'),
4987   EL_CHAR('F'),
4988   EL_CHAR('G'),
4989
4990   EL_CHAR('H'),
4991   EL_CHAR('I'),
4992   EL_CHAR('J'),
4993   EL_CHAR('K'),
4994
4995   EL_CHAR('L'),
4996   EL_CHAR('M'),
4997   EL_CHAR('N'),
4998   EL_CHAR('O'),
4999
5000   EL_CHAR('P'),
5001   EL_CHAR('Q'),
5002   EL_CHAR('R'),
5003   EL_CHAR('S'),
5004
5005   EL_CHAR('T'),
5006   EL_CHAR('U'),
5007   EL_CHAR('V'),
5008   EL_CHAR('W'),
5009
5010   EL_CHAR('X'),
5011   EL_CHAR('Y'),
5012   EL_CHAR('Z'),
5013   EL_CHAR('['),
5014
5015   EL_CHAR('\\'),
5016   EL_CHAR(']'),
5017   EL_CHAR('^'),
5018   EL_CHAR('_'),
5019
5020   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5021   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5022   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5023   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5024
5025   EL_CHAR(CHAR_BYTE_DEGREE),
5026   EL_CHAR(CHAR_BYTE_REGISTERED),
5027   EL_CHAR(FONT_ASCII_CURSOR),
5028   EL_CHAR(FONT_ASCII_BUTTON),
5029
5030   EL_CHAR(FONT_ASCII_UP),
5031   EL_CHAR(FONT_ASCII_DOWN),
5032   EL_CHAR(' '),
5033   EL_CHAR(' ')
5034 };
5035 static int *editor_hl_chars_ptr = editor_hl_chars;
5036 static int *editor_el_chars_ptr = editor_el_chars;
5037 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5038 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5039
5040 static int editor_hl_steel_chars[] =
5041 {
5042   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5043   EL_STEEL_CHAR('T'),
5044   EL_STEEL_CHAR('X'),
5045   EL_STEEL_CHAR('T'),
5046 };
5047
5048 static int editor_el_steel_chars[] =
5049 {
5050   EL_STEEL_CHAR(' '),
5051   EL_STEEL_CHAR('!'),
5052   EL_STEEL_CHAR('"'),
5053   EL_STEEL_CHAR('#'),
5054
5055   EL_STEEL_CHAR('$'),
5056   EL_STEEL_CHAR('%'),
5057   EL_STEEL_CHAR('&'),
5058   EL_STEEL_CHAR('\''),
5059
5060   EL_STEEL_CHAR('('),
5061   EL_STEEL_CHAR(')'),
5062   EL_STEEL_CHAR('*'),
5063   EL_STEEL_CHAR('+'),
5064
5065   EL_STEEL_CHAR(','),
5066   EL_STEEL_CHAR('-'),
5067   EL_STEEL_CHAR('.'),
5068   EL_STEEL_CHAR('/'),
5069
5070   EL_STEEL_CHAR('0'),
5071   EL_STEEL_CHAR('1'),
5072   EL_STEEL_CHAR('2'),
5073   EL_STEEL_CHAR('3'),
5074
5075   EL_STEEL_CHAR('4'),
5076   EL_STEEL_CHAR('5'),
5077   EL_STEEL_CHAR('6'),
5078   EL_STEEL_CHAR('7'),
5079
5080   EL_STEEL_CHAR('8'),
5081   EL_STEEL_CHAR('9'),
5082   EL_STEEL_CHAR(':'),
5083   EL_STEEL_CHAR(';'),
5084
5085   EL_STEEL_CHAR('<'),
5086   EL_STEEL_CHAR('='),
5087   EL_STEEL_CHAR('>'),
5088   EL_STEEL_CHAR('?'),
5089
5090   EL_STEEL_CHAR('@'),
5091   EL_STEEL_CHAR('A'),
5092   EL_STEEL_CHAR('B'),
5093   EL_STEEL_CHAR('C'),
5094
5095   EL_STEEL_CHAR('D'),
5096   EL_STEEL_CHAR('E'),
5097   EL_STEEL_CHAR('F'),
5098   EL_STEEL_CHAR('G'),
5099
5100   EL_STEEL_CHAR('H'),
5101   EL_STEEL_CHAR('I'),
5102   EL_STEEL_CHAR('J'),
5103   EL_STEEL_CHAR('K'),
5104
5105   EL_STEEL_CHAR('L'),
5106   EL_STEEL_CHAR('M'),
5107   EL_STEEL_CHAR('N'),
5108   EL_STEEL_CHAR('O'),
5109
5110   EL_STEEL_CHAR('P'),
5111   EL_STEEL_CHAR('Q'),
5112   EL_STEEL_CHAR('R'),
5113   EL_STEEL_CHAR('S'),
5114
5115   EL_STEEL_CHAR('T'),
5116   EL_STEEL_CHAR('U'),
5117   EL_STEEL_CHAR('V'),
5118   EL_STEEL_CHAR('W'),
5119
5120   EL_STEEL_CHAR('X'),
5121   EL_STEEL_CHAR('Y'),
5122   EL_STEEL_CHAR('Z'),
5123   EL_STEEL_CHAR('['),
5124
5125   EL_STEEL_CHAR('\\'),
5126   EL_STEEL_CHAR(']'),
5127   EL_STEEL_CHAR('^'),
5128   EL_STEEL_CHAR('_'),
5129
5130   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5131   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5132   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5133   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5134
5135   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5136   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5137   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5138   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5139
5140   EL_STEEL_CHAR(FONT_ASCII_UP),
5141   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5142   EL_STEEL_CHAR(' '),
5143   EL_STEEL_CHAR(' ')
5144 };
5145 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5146 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5147 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5148 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5149
5150 static int editor_hl_custom[] =
5151 {
5152   EL_INTERNAL_CASCADE_CE_ACTIVE,
5153   EL_CHAR('C'),
5154   EL_CHAR('E'),
5155   EL_EMPTY,
5156 };
5157
5158 static int editor_el_custom[] =
5159 {
5160   EL_CUSTOM_START + 0,
5161   EL_CUSTOM_START + 1,
5162   EL_CUSTOM_START + 2,
5163   EL_CUSTOM_START + 3,
5164
5165   EL_CUSTOM_START + 4,
5166   EL_CUSTOM_START + 5,
5167   EL_CUSTOM_START + 6,
5168   EL_CUSTOM_START + 7,
5169
5170   EL_CUSTOM_START + 8,
5171   EL_CUSTOM_START + 9,
5172   EL_CUSTOM_START + 10,
5173   EL_CUSTOM_START + 11,
5174
5175   EL_CUSTOM_START + 12,
5176   EL_CUSTOM_START + 13,
5177   EL_CUSTOM_START + 14,
5178   EL_CUSTOM_START + 15,
5179
5180   EL_CUSTOM_START + 16,
5181   EL_CUSTOM_START + 17,
5182   EL_CUSTOM_START + 18,
5183   EL_CUSTOM_START + 19,
5184
5185   EL_CUSTOM_START + 20,
5186   EL_CUSTOM_START + 21,
5187   EL_CUSTOM_START + 22,
5188   EL_CUSTOM_START + 23,
5189
5190   EL_CUSTOM_START + 24,
5191   EL_CUSTOM_START + 25,
5192   EL_CUSTOM_START + 26,
5193   EL_CUSTOM_START + 27,
5194
5195   EL_CUSTOM_START + 28,
5196   EL_CUSTOM_START + 29,
5197   EL_CUSTOM_START + 30,
5198   EL_CUSTOM_START + 31,
5199
5200   EL_CUSTOM_START + 32,
5201   EL_CUSTOM_START + 33,
5202   EL_CUSTOM_START + 34,
5203   EL_CUSTOM_START + 35,
5204
5205   EL_CUSTOM_START + 36,
5206   EL_CUSTOM_START + 37,
5207   EL_CUSTOM_START + 38,
5208   EL_CUSTOM_START + 39,
5209
5210   EL_CUSTOM_START + 40,
5211   EL_CUSTOM_START + 41,
5212   EL_CUSTOM_START + 42,
5213   EL_CUSTOM_START + 43,
5214
5215   EL_CUSTOM_START + 44,
5216   EL_CUSTOM_START + 45,
5217   EL_CUSTOM_START + 46,
5218   EL_CUSTOM_START + 47,
5219
5220   EL_CUSTOM_START + 48,
5221   EL_CUSTOM_START + 49,
5222   EL_CUSTOM_START + 50,
5223   EL_CUSTOM_START + 51,
5224
5225   EL_CUSTOM_START + 52,
5226   EL_CUSTOM_START + 53,
5227   EL_CUSTOM_START + 54,
5228   EL_CUSTOM_START + 55,
5229
5230   EL_CUSTOM_START + 56,
5231   EL_CUSTOM_START + 57,
5232   EL_CUSTOM_START + 58,
5233   EL_CUSTOM_START + 59,
5234
5235   EL_CUSTOM_START + 60,
5236   EL_CUSTOM_START + 61,
5237   EL_CUSTOM_START + 62,
5238   EL_CUSTOM_START + 63,
5239
5240   EL_CUSTOM_START + 64,
5241   EL_CUSTOM_START + 65,
5242   EL_CUSTOM_START + 66,
5243   EL_CUSTOM_START + 67,
5244
5245   EL_CUSTOM_START + 68,
5246   EL_CUSTOM_START + 69,
5247   EL_CUSTOM_START + 70,
5248   EL_CUSTOM_START + 71,
5249
5250   EL_CUSTOM_START + 72,
5251   EL_CUSTOM_START + 73,
5252   EL_CUSTOM_START + 74,
5253   EL_CUSTOM_START + 75,
5254
5255   EL_CUSTOM_START + 76,
5256   EL_CUSTOM_START + 77,
5257   EL_CUSTOM_START + 78,
5258   EL_CUSTOM_START + 79,
5259
5260   EL_CUSTOM_START + 80,
5261   EL_CUSTOM_START + 81,
5262   EL_CUSTOM_START + 82,
5263   EL_CUSTOM_START + 83,
5264
5265   EL_CUSTOM_START + 84,
5266   EL_CUSTOM_START + 85,
5267   EL_CUSTOM_START + 86,
5268   EL_CUSTOM_START + 87,
5269
5270   EL_CUSTOM_START + 88,
5271   EL_CUSTOM_START + 89,
5272   EL_CUSTOM_START + 90,
5273   EL_CUSTOM_START + 91,
5274
5275   EL_CUSTOM_START + 92,
5276   EL_CUSTOM_START + 93,
5277   EL_CUSTOM_START + 94,
5278   EL_CUSTOM_START + 95,
5279
5280   EL_CUSTOM_START + 96,
5281   EL_CUSTOM_START + 97,
5282   EL_CUSTOM_START + 98,
5283   EL_CUSTOM_START + 99,
5284
5285   EL_CUSTOM_START + 100,
5286   EL_CUSTOM_START + 101,
5287   EL_CUSTOM_START + 102,
5288   EL_CUSTOM_START + 103,
5289
5290   EL_CUSTOM_START + 104,
5291   EL_CUSTOM_START + 105,
5292   EL_CUSTOM_START + 106,
5293   EL_CUSTOM_START + 107,
5294
5295   EL_CUSTOM_START + 108,
5296   EL_CUSTOM_START + 109,
5297   EL_CUSTOM_START + 110,
5298   EL_CUSTOM_START + 111,
5299
5300   EL_CUSTOM_START + 112,
5301   EL_CUSTOM_START + 113,
5302   EL_CUSTOM_START + 114,
5303   EL_CUSTOM_START + 115,
5304
5305   EL_CUSTOM_START + 116,
5306   EL_CUSTOM_START + 117,
5307   EL_CUSTOM_START + 118,
5308   EL_CUSTOM_START + 119,
5309
5310   EL_CUSTOM_START + 120,
5311   EL_CUSTOM_START + 121,
5312   EL_CUSTOM_START + 122,
5313   EL_CUSTOM_START + 123,
5314
5315   EL_CUSTOM_START + 124,
5316   EL_CUSTOM_START + 125,
5317   EL_CUSTOM_START + 126,
5318   EL_CUSTOM_START + 127,
5319
5320   EL_CUSTOM_START + 128,
5321   EL_CUSTOM_START + 129,
5322   EL_CUSTOM_START + 130,
5323   EL_CUSTOM_START + 131,
5324
5325   EL_CUSTOM_START + 132,
5326   EL_CUSTOM_START + 133,
5327   EL_CUSTOM_START + 134,
5328   EL_CUSTOM_START + 135,
5329
5330   EL_CUSTOM_START + 136,
5331   EL_CUSTOM_START + 137,
5332   EL_CUSTOM_START + 138,
5333   EL_CUSTOM_START + 139,
5334
5335   EL_CUSTOM_START + 140,
5336   EL_CUSTOM_START + 141,
5337   EL_CUSTOM_START + 142,
5338   EL_CUSTOM_START + 143,
5339
5340   EL_CUSTOM_START + 144,
5341   EL_CUSTOM_START + 145,
5342   EL_CUSTOM_START + 146,
5343   EL_CUSTOM_START + 147,
5344
5345   EL_CUSTOM_START + 148,
5346   EL_CUSTOM_START + 149,
5347   EL_CUSTOM_START + 150,
5348   EL_CUSTOM_START + 151,
5349
5350   EL_CUSTOM_START + 152,
5351   EL_CUSTOM_START + 153,
5352   EL_CUSTOM_START + 154,
5353   EL_CUSTOM_START + 155,
5354
5355   EL_CUSTOM_START + 156,
5356   EL_CUSTOM_START + 157,
5357   EL_CUSTOM_START + 158,
5358   EL_CUSTOM_START + 159,
5359
5360   EL_CUSTOM_START + 160,
5361   EL_CUSTOM_START + 161,
5362   EL_CUSTOM_START + 162,
5363   EL_CUSTOM_START + 163,
5364
5365   EL_CUSTOM_START + 164,
5366   EL_CUSTOM_START + 165,
5367   EL_CUSTOM_START + 166,
5368   EL_CUSTOM_START + 167,
5369
5370   EL_CUSTOM_START + 168,
5371   EL_CUSTOM_START + 169,
5372   EL_CUSTOM_START + 170,
5373   EL_CUSTOM_START + 171,
5374
5375   EL_CUSTOM_START + 172,
5376   EL_CUSTOM_START + 173,
5377   EL_CUSTOM_START + 174,
5378   EL_CUSTOM_START + 175,
5379
5380   EL_CUSTOM_START + 176,
5381   EL_CUSTOM_START + 177,
5382   EL_CUSTOM_START + 178,
5383   EL_CUSTOM_START + 179,
5384
5385   EL_CUSTOM_START + 180,
5386   EL_CUSTOM_START + 181,
5387   EL_CUSTOM_START + 182,
5388   EL_CUSTOM_START + 183,
5389
5390   EL_CUSTOM_START + 184,
5391   EL_CUSTOM_START + 185,
5392   EL_CUSTOM_START + 186,
5393   EL_CUSTOM_START + 187,
5394
5395   EL_CUSTOM_START + 188,
5396   EL_CUSTOM_START + 189,
5397   EL_CUSTOM_START + 190,
5398   EL_CUSTOM_START + 191,
5399
5400   EL_CUSTOM_START + 192,
5401   EL_CUSTOM_START + 193,
5402   EL_CUSTOM_START + 194,
5403   EL_CUSTOM_START + 195,
5404
5405   EL_CUSTOM_START + 196,
5406   EL_CUSTOM_START + 197,
5407   EL_CUSTOM_START + 198,
5408   EL_CUSTOM_START + 199,
5409
5410   EL_CUSTOM_START + 200,
5411   EL_CUSTOM_START + 201,
5412   EL_CUSTOM_START + 202,
5413   EL_CUSTOM_START + 203,
5414
5415   EL_CUSTOM_START + 204,
5416   EL_CUSTOM_START + 205,
5417   EL_CUSTOM_START + 206,
5418   EL_CUSTOM_START + 207,
5419
5420   EL_CUSTOM_START + 208,
5421   EL_CUSTOM_START + 209,
5422   EL_CUSTOM_START + 210,
5423   EL_CUSTOM_START + 211,
5424
5425   EL_CUSTOM_START + 212,
5426   EL_CUSTOM_START + 213,
5427   EL_CUSTOM_START + 214,
5428   EL_CUSTOM_START + 215,
5429
5430   EL_CUSTOM_START + 216,
5431   EL_CUSTOM_START + 217,
5432   EL_CUSTOM_START + 218,
5433   EL_CUSTOM_START + 219,
5434
5435   EL_CUSTOM_START + 220,
5436   EL_CUSTOM_START + 221,
5437   EL_CUSTOM_START + 222,
5438   EL_CUSTOM_START + 223,
5439
5440   EL_CUSTOM_START + 224,
5441   EL_CUSTOM_START + 225,
5442   EL_CUSTOM_START + 226,
5443   EL_CUSTOM_START + 227,
5444
5445   EL_CUSTOM_START + 228,
5446   EL_CUSTOM_START + 229,
5447   EL_CUSTOM_START + 230,
5448   EL_CUSTOM_START + 231,
5449
5450   EL_CUSTOM_START + 232,
5451   EL_CUSTOM_START + 233,
5452   EL_CUSTOM_START + 234,
5453   EL_CUSTOM_START + 235,
5454
5455   EL_CUSTOM_START + 236,
5456   EL_CUSTOM_START + 237,
5457   EL_CUSTOM_START + 238,
5458   EL_CUSTOM_START + 239,
5459
5460   EL_CUSTOM_START + 240,
5461   EL_CUSTOM_START + 241,
5462   EL_CUSTOM_START + 242,
5463   EL_CUSTOM_START + 243,
5464
5465   EL_CUSTOM_START + 244,
5466   EL_CUSTOM_START + 245,
5467   EL_CUSTOM_START + 246,
5468   EL_CUSTOM_START + 247,
5469
5470   EL_CUSTOM_START + 248,
5471   EL_CUSTOM_START + 249,
5472   EL_CUSTOM_START + 250,
5473   EL_CUSTOM_START + 251,
5474
5475   EL_CUSTOM_START + 252,
5476   EL_CUSTOM_START + 253,
5477   EL_CUSTOM_START + 254,
5478   EL_CUSTOM_START + 255
5479 };
5480 static int *editor_hl_custom_ptr = editor_hl_custom;
5481 static int *editor_el_custom_ptr = editor_el_custom;
5482 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5483 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5484
5485 static int editor_hl_group[] =
5486 {
5487   EL_INTERNAL_CASCADE_GE_ACTIVE,
5488   EL_CHAR('G'),
5489   EL_CHAR('E'),
5490   EL_EMPTY,
5491 };
5492
5493 static int editor_el_group[] =
5494 {
5495   EL_GROUP_START + 0,
5496   EL_GROUP_START + 1,
5497   EL_GROUP_START + 2,
5498   EL_GROUP_START + 3,
5499
5500   EL_GROUP_START + 4,
5501   EL_GROUP_START + 5,
5502   EL_GROUP_START + 6,
5503   EL_GROUP_START + 7,
5504
5505   EL_GROUP_START + 8,
5506   EL_GROUP_START + 9,
5507   EL_GROUP_START + 10,
5508   EL_GROUP_START + 11,
5509
5510   EL_GROUP_START + 12,
5511   EL_GROUP_START + 13,
5512   EL_GROUP_START + 14,
5513   EL_GROUP_START + 15,
5514
5515   EL_GROUP_START + 16,
5516   EL_GROUP_START + 17,
5517   EL_GROUP_START + 18,
5518   EL_GROUP_START + 19,
5519
5520   EL_GROUP_START + 20,
5521   EL_GROUP_START + 21,
5522   EL_GROUP_START + 22,
5523   EL_GROUP_START + 23,
5524
5525   EL_GROUP_START + 24,
5526   EL_GROUP_START + 25,
5527   EL_GROUP_START + 26,
5528   EL_GROUP_START + 27,
5529
5530   EL_GROUP_START + 28,
5531   EL_GROUP_START + 29,
5532   EL_GROUP_START + 30,
5533   EL_GROUP_START + 31
5534 };
5535 static int *editor_hl_group_ptr = editor_hl_group;
5536 static int *editor_el_group_ptr = editor_el_group;
5537 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5538 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5539
5540 static int editor_hl_empty_space[] =
5541 {
5542   EL_INTERNAL_CASCADE_ES_ACTIVE,
5543   EL_CHAR('E'),
5544   EL_CHAR('S'),
5545   EL_EMPTY,
5546 };
5547
5548 static int editor_el_empty_space[] =
5549 {
5550   EL_EMPTY_SPACE_1,
5551   EL_EMPTY_SPACE_2,
5552   EL_EMPTY_SPACE_3,
5553   EL_EMPTY_SPACE_4,
5554
5555   EL_EMPTY_SPACE_5,
5556   EL_EMPTY_SPACE_6,
5557   EL_EMPTY_SPACE_7,
5558   EL_EMPTY_SPACE_8,
5559
5560   EL_EMPTY_SPACE_9,
5561   EL_EMPTY_SPACE_10,
5562   EL_EMPTY_SPACE_11,
5563   EL_EMPTY_SPACE_12,
5564
5565   EL_EMPTY_SPACE_13,
5566   EL_EMPTY_SPACE_14,
5567   EL_EMPTY_SPACE_15,
5568   EL_EMPTY_SPACE_16
5569 };
5570 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5571 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5572 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5573 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5574
5575 static int editor_hl_reference[] =
5576 {
5577   EL_INTERNAL_CASCADE_REF_ACTIVE,
5578   EL_CHAR('R'),
5579   EL_CHAR('E'),
5580   EL_CHAR('F')
5581 };
5582
5583 static int editor_el_reference[] =
5584 {
5585   EL_TRIGGER_PLAYER,
5586   EL_TRIGGER_ELEMENT,
5587   EL_TRIGGER_CE_VALUE,
5588   EL_TRIGGER_CE_SCORE,
5589
5590   EL_SELF,
5591   EL_ANY_ELEMENT,
5592   EL_CURRENT_CE_VALUE,
5593   EL_CURRENT_CE_SCORE,
5594
5595   EL_PREV_CE_8,
5596   EL_PREV_CE_7,
5597   EL_PREV_CE_6,
5598   EL_PREV_CE_5,
5599
5600   EL_PREV_CE_4,
5601   EL_PREV_CE_3,
5602   EL_PREV_CE_2,
5603   EL_PREV_CE_1,
5604
5605   EL_NEXT_CE_1,
5606   EL_NEXT_CE_2,
5607   EL_NEXT_CE_3,
5608   EL_NEXT_CE_4,
5609
5610   EL_NEXT_CE_5,
5611   EL_NEXT_CE_6,
5612   EL_NEXT_CE_7,
5613   EL_NEXT_CE_8,
5614 };
5615 static int *editor_hl_reference_ptr = editor_hl_reference;
5616 static int *editor_el_reference_ptr = editor_el_reference;
5617 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5618 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5619
5620 static int editor_hl_user_defined[] =
5621 {
5622   EL_INTERNAL_CASCADE_USER_ACTIVE,
5623   EL_CHAR('M'),
5624   EL_CHAR('Y'),
5625   EL_EMPTY,
5626 };
5627
5628 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5629 static int *editor_el_user_defined_ptr = NULL;
5630 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5631 static int num_editor_el_user_defined = 0;
5632
5633 static int editor_hl_dynamic[] =
5634 {
5635   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5636   EL_CHAR('U'),
5637   EL_CHAR('S'),
5638   EL_CHAR('E'),
5639 };
5640
5641 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5642 static int *editor_el_dynamic_ptr = NULL;
5643 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5644 static int num_editor_el_dynamic = 0;
5645
5646 static int editor_hl_empty[] = { EL_EMPTY };
5647 static int *editor_el_empty = NULL;     // dynamically allocated
5648
5649 static int *editor_hl_empty_ptr = editor_hl_empty;
5650 static int *editor_el_empty_ptr = NULL;
5651 static int num_editor_hl_empty = 0;
5652 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5653
5654 static boolean use_el_empty = FALSE;
5655
5656 static int *editor_elements = NULL;     // dynamically allocated
5657 static int num_editor_elements = 0;     // dynamically determined
5658
5659 static boolean setup_editor_cascade_never = FALSE;
5660
5661 static boolean setup_editor_el_players                  = TRUE;
5662 static boolean setup_editor_el_boulderdash              = TRUE;
5663 static boolean setup_editor_el_boulderdash_native       = TRUE;
5664 static boolean setup_editor_el_emerald_mine             = TRUE;
5665 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5666 static boolean setup_editor_el_more                     = TRUE;
5667 static boolean setup_editor_el_sokoban                  = TRUE;
5668 static boolean setup_editor_el_supaplex                 = TRUE;
5669 static boolean setup_editor_el_diamond_caves            = TRUE;
5670 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5671 static boolean setup_editor_el_mirror_magic             = TRUE;
5672 static boolean setup_editor_el_deflektor                = TRUE;
5673 static boolean setup_editor_el_chars                    = TRUE;
5674 static boolean setup_editor_el_steel_chars              = TRUE;
5675 static boolean setup_editor_el_custom                   = TRUE;
5676 static boolean setup_editor_el_user_defined             = TRUE;
5677 static boolean setup_editor_el_dynamic                  = TRUE;
5678
5679 static int editor_hl_unused[] = { EL_EMPTY };
5680 static int *editor_hl_unused_ptr = editor_hl_unused;
5681 static int num_editor_hl_unused = 0;
5682
5683 static struct
5684 {
5685   boolean *setup_value;
5686   boolean *setup_cascade_value;
5687
5688   int **headline_list;
5689   int *headline_list_size;
5690
5691   int **element_list;
5692   int *element_list_size;
5693
5694   boolean last_setup_value;
5695 }
5696 editor_elements_info[] =
5697 {
5698   {
5699     &setup_editor_el_players,
5700     &setup_editor_cascade_never,
5701     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5702     &editor_el_players_ptr,             &num_editor_el_players
5703   },
5704   {
5705     &setup_editor_el_boulderdash,
5706     &setup.editor_cascade.el_bd,
5707     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5708     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5709   },
5710   {
5711     &setup_editor_el_boulderdash_native,
5712     &setup.editor_cascade.el_bd_native,
5713     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
5714     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
5715   },
5716   {
5717     &setup_editor_el_emerald_mine,
5718     &setup.editor_cascade.el_em,
5719     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5720     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5721   },
5722   {
5723     &setup_editor_el_emerald_mine_club,
5724     &setup.editor_cascade.el_emc,
5725     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5726     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5727   },
5728   {
5729     &setup_editor_el_more,
5730     &setup.editor_cascade.el_rnd,
5731     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5732     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5733   },
5734   {
5735     &setup_editor_el_sokoban,
5736     &setup.editor_cascade.el_sb,
5737     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5738     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5739   },
5740   {
5741     &setup_editor_el_supaplex,
5742     &setup.editor_cascade.el_sp,
5743     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5744     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5745   },
5746   {
5747     &setup_editor_el_diamond_caves,
5748     &setup.editor_cascade.el_dc,
5749     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5750     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5751   },
5752   {
5753     &setup_editor_el_dx_boulderdash,
5754     &setup.editor_cascade.el_dx,
5755     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5756     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5757   },
5758   {
5759     &setup_editor_el_mirror_magic,
5760     &setup.editor_cascade.el_mm,
5761     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5762     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5763   },
5764   {
5765     &setup_editor_el_deflektor,
5766     &setup.editor_cascade.el_df,
5767     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5768     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5769   },
5770   {
5771     &setup_editor_el_chars,
5772     &setup.editor_cascade.el_chars,
5773     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5774     &editor_el_chars_ptr,               &num_editor_el_chars
5775   },
5776   {
5777     &setup_editor_el_steel_chars,
5778     &setup.editor_cascade.el_steel_chars,
5779     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5780     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5781   },
5782   {
5783     &setup_editor_el_custom,
5784     &setup.editor_cascade.el_ce,
5785     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5786     &editor_el_custom_ptr,              &num_editor_el_custom
5787   },
5788   {
5789     &setup_editor_el_custom,
5790     &setup.editor_cascade.el_ge,
5791     &editor_hl_group_ptr,               &num_editor_hl_group,
5792     &editor_el_group_ptr,               &num_editor_el_group
5793   },
5794   {
5795     &setup_editor_el_custom,
5796     &setup.editor_cascade.el_es,
5797     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
5798     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
5799   },
5800   {
5801     &setup_editor_el_custom,
5802     &setup.editor_cascade.el_ref,
5803     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5804     &editor_el_reference_ptr,           &num_editor_el_reference
5805   },
5806   {
5807     &setup_editor_el_user_defined,
5808     &setup.editor_cascade.el_user,
5809     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5810     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5811   },
5812   {
5813     &setup_editor_el_dynamic,
5814     &setup.editor_cascade.el_dynamic,
5815     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5816     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5817   },
5818   {
5819     &use_el_empty,
5820     &use_el_empty,
5821     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5822     &editor_el_empty_ptr,               &num_editor_el_empty,
5823   },
5824   {
5825     NULL,
5826     NULL,
5827     NULL,                               NULL,
5828     NULL,                               NULL
5829   }
5830 };
5831
5832 static struct XY xy_directions[] =
5833 {
5834   { -1,  0 },
5835   { +1,  0 },
5836   {  0, -1 },
5837   {  0, +1 }
5838 };
5839
5840
5841 // ----------------------------------------------------------------------------
5842 // functions
5843 // ----------------------------------------------------------------------------
5844
5845 static int getMaxInfoTextLength(void)
5846 {
5847   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5848 }
5849
5850 static int getTextWidthForGadget(char *text)
5851 {
5852   if (text == NULL)
5853     return 0;
5854
5855   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5856 }
5857
5858 static int getTextWidthForDrawingArea(char *text)
5859 {
5860   if (text == NULL)
5861     return 0;
5862
5863   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5864 }
5865
5866 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5867 {
5868   return (gi->x + gi->width + getTextWidthForGadget(text));
5869 }
5870
5871 static char *getElementInfoText(int element)
5872 {
5873   char *info_text = NULL;
5874
5875   if (element < MAX_NUM_ELEMENTS)
5876   {
5877     if (strlen(element_info[element].description) > 0)
5878       info_text = element_info[element].description;
5879     else if (element_info[element].custom_description != NULL)
5880       info_text = element_info[element].custom_description;
5881     else if (element_info[element].editor_description != NULL)
5882       info_text = element_info[element].editor_description;
5883   }
5884
5885   if (info_text == NULL)
5886     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5887
5888   return info_text;
5889 }
5890
5891 static char *getElementDescriptionFilenameExt(char *basename)
5892 {
5893   char *elements_subdir = ELEMENTS_DIRECTORY;
5894   static char *elements_subdir2 = NULL;
5895   static char *filename = NULL;
5896
5897   if (elements_subdir2 == NULL)
5898     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5899
5900   checked_free(filename);
5901
5902   // 1st try: look for element description in current level set directory
5903   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5904   if (fileExists(filename))
5905     return filename;
5906
5907   free(filename);
5908
5909   // 2nd try: look for element description in the game's base directory
5910   filename = getPath3(options.docs_directory, elements_subdir, basename);
5911   if (fileExists(filename))
5912     return filename;
5913
5914   return NULL;
5915 }
5916
5917 static char *getElementDescriptionFilename(int element)
5918 {
5919   char basename[MAX_FILENAME_LEN];
5920   char *filename;
5921
5922   // 1st try: look for element description file for exactly this element
5923   sprintf(basename, "%s.txt", element_info[element].token_name);
5924   filename = getElementDescriptionFilenameExt(basename);
5925   if (filename != NULL)
5926     return filename;
5927
5928   // 2nd try: look for element description file for this element's class
5929   sprintf(basename, "%s.txt", element_info[element].class_name);
5930   filename = getElementDescriptionFilenameExt(basename);
5931   if (filename != NULL)
5932     return filename;
5933
5934   // 3rd try: look for generic fallback text file for any element
5935   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
5936   if (filename != NULL)
5937     return filename;
5938
5939   return NULL;
5940 }
5941
5942 static boolean suppressBorderElement(void)
5943 {
5944   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5945           lev_fieldx <= MAX_ED_FIELDX &&
5946           lev_fieldy <= MAX_ED_FIELDY);
5947 }
5948
5949 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5950 {
5951   boolean element_found[NUM_FILE_ELEMENTS];
5952   int i, x, y;
5953
5954   // initialize list of used elements to "not used"
5955   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5956     element_found[i] = FALSE;
5957
5958   // find all elements used in current level
5959   for (y = 0; y < lev_fieldy; y++)
5960   {
5961     for (x = 0; x < lev_fieldx; x++)
5962     {
5963       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
5964         continue;
5965
5966       if (IS_MM_WALL(Tile[x][y]))
5967         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
5968       else
5969         element_found[Tile[x][y]] = TRUE;
5970     }
5971   }
5972
5973   *num_elements = 0;
5974
5975   // count number of elements used in current level
5976   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5977     if (element_found[i])
5978       (*num_elements)++;
5979
5980   // add space for up to 3 more elements for padding that may be needed
5981   *num_elements += 3;
5982
5983   // free memory for old list of elements, if needed
5984   checked_free(*elements);
5985
5986   // allocate memory for new list of elements
5987   *elements = checked_malloc(*num_elements * sizeof(int));
5988
5989   *num_elements = 0;
5990
5991   // add all elements used in current level (non-custom/group/empty elements)
5992   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5993     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
5994                               IS_GROUP_ELEMENT(i) ||
5995                               IS_EMPTY_ELEMENT(i)))
5996       (*elements)[(*num_elements)++] = i;
5997
5998   // add all elements used in current level (custom/group/empty elements)
5999   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6000     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6001                              IS_GROUP_ELEMENT(i) ||
6002                              IS_EMPTY_ELEMENT(i)))
6003       (*elements)[(*num_elements)++] = i;
6004
6005   while (*num_elements % 4)     // pad with empty elements, if needed
6006     (*elements)[(*num_elements)++] = EL_EMPTY;
6007 }
6008
6009 static void ReinitializeElementList_EnableSections(void)
6010 {
6011   // default: enable all element sections
6012
6013   setup_editor_el_players               = TRUE;
6014   setup_editor_el_boulderdash           = TRUE;
6015   setup_editor_el_boulderdash_native    = TRUE;
6016   setup_editor_el_emerald_mine          = TRUE;
6017   setup_editor_el_emerald_mine_club     = TRUE;
6018   setup_editor_el_more                  = TRUE;
6019   setup_editor_el_sokoban               = TRUE;
6020   setup_editor_el_supaplex              = TRUE;
6021   setup_editor_el_diamond_caves         = TRUE;
6022   setup_editor_el_dx_boulderdash        = TRUE;
6023   setup_editor_el_mirror_magic          = TRUE;
6024   setup_editor_el_deflektor             = TRUE;
6025   setup_editor_el_chars                 = TRUE;
6026   setup_editor_el_steel_chars           = TRUE;
6027
6028   setup_editor_el_custom                = TRUE;
6029   setup_editor_el_user_defined          = TRUE;
6030   setup_editor_el_dynamic               = TRUE;
6031
6032   // now disable all element sections not to be displayed
6033
6034   if (!setup.editor.el_classic)
6035   {
6036     setup_editor_el_players             = FALSE;
6037     setup_editor_el_boulderdash         = FALSE;
6038     setup_editor_el_boulderdash_native  = FALSE;
6039     setup_editor_el_emerald_mine        = FALSE;
6040     setup_editor_el_emerald_mine_club   = FALSE;
6041     setup_editor_el_more                = FALSE;
6042     setup_editor_el_sokoban             = FALSE;
6043     setup_editor_el_supaplex            = FALSE;
6044     setup_editor_el_diamond_caves       = FALSE;
6045     setup_editor_el_dx_boulderdash      = FALSE;
6046     setup_editor_el_mirror_magic        = FALSE;
6047     setup_editor_el_deflektor           = FALSE;
6048     setup_editor_el_chars               = FALSE;
6049     setup_editor_el_steel_chars         = FALSE;
6050   }
6051
6052   if (!setup.editor.el_custom)
6053   {
6054     setup_editor_el_custom              = FALSE;
6055   }
6056
6057   if (!setup.editor.el_user_defined)
6058   {
6059     setup_editor_el_user_defined        = FALSE;
6060   }
6061
6062   if (!setup.editor.el_dynamic)
6063   {
6064     setup_editor_el_dynamic             = FALSE;
6065   }
6066
6067   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6068   {
6069     setup_editor_el_boulderdash_native  = FALSE;
6070     setup_editor_el_mirror_magic        = FALSE;
6071     setup_editor_el_deflektor           = FALSE;
6072   }
6073   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6074   {
6075     setup_editor_el_boulderdash         = FALSE;
6076     setup_editor_el_emerald_mine        = FALSE;
6077     setup_editor_el_emerald_mine_club   = FALSE;
6078     setup_editor_el_more                = FALSE;
6079     setup_editor_el_sokoban             = FALSE;
6080     setup_editor_el_supaplex            = FALSE;
6081     setup_editor_el_diamond_caves       = FALSE;
6082     setup_editor_el_dx_boulderdash      = FALSE;
6083     setup_editor_el_mirror_magic        = FALSE;
6084     setup_editor_el_deflektor           = FALSE;
6085     setup_editor_el_chars               = FALSE;
6086     setup_editor_el_steel_chars         = FALSE;
6087
6088     setup_editor_el_custom              = FALSE;
6089   }
6090   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6091   {
6092     setup_editor_el_boulderdash         = FALSE;
6093     setup_editor_el_boulderdash_native  = FALSE;
6094     setup_editor_el_more                = FALSE;
6095     setup_editor_el_sokoban             = FALSE;
6096     setup_editor_el_supaplex            = FALSE;
6097     setup_editor_el_diamond_caves       = FALSE;
6098     setup_editor_el_dx_boulderdash      = FALSE;
6099     setup_editor_el_mirror_magic        = FALSE;
6100     setup_editor_el_deflektor           = FALSE;
6101     setup_editor_el_steel_chars         = FALSE;
6102
6103     setup_editor_el_custom              = FALSE;
6104   }
6105   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6106   {
6107     setup_editor_el_players             = FALSE;
6108     setup_editor_el_boulderdash         = FALSE;
6109     setup_editor_el_boulderdash_native  = FALSE;
6110     setup_editor_el_emerald_mine        = FALSE;
6111     setup_editor_el_emerald_mine_club   = FALSE;
6112     setup_editor_el_more                = FALSE;
6113     setup_editor_el_sokoban             = FALSE;
6114     setup_editor_el_diamond_caves       = FALSE;
6115     setup_editor_el_dx_boulderdash      = FALSE;
6116     setup_editor_el_mirror_magic        = FALSE;
6117     setup_editor_el_deflektor           = FALSE;
6118     setup_editor_el_chars               = FALSE;
6119     setup_editor_el_steel_chars         = FALSE;
6120
6121     setup_editor_el_custom              = FALSE;
6122   }
6123   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6124   {
6125     setup_editor_el_players             = FALSE;
6126     setup_editor_el_boulderdash         = FALSE;
6127     setup_editor_el_boulderdash_native  = FALSE;
6128     setup_editor_el_emerald_mine        = FALSE;
6129     setup_editor_el_emerald_mine_club   = FALSE;
6130     setup_editor_el_more                = FALSE;
6131     setup_editor_el_sokoban             = FALSE;
6132     setup_editor_el_supaplex            = FALSE;
6133     setup_editor_el_diamond_caves       = FALSE;
6134     setup_editor_el_dx_boulderdash      = FALSE;
6135     setup_editor_el_steel_chars         = FALSE;
6136
6137     setup_editor_el_custom              = FALSE;
6138   }
6139 }
6140
6141 static void ReinitializeElementList(void)
6142 {
6143   static boolean initialization_needed = TRUE;
6144   int pos = 0;
6145   int i, j;
6146
6147   ReinitializeElementList_EnableSections();
6148
6149   if (initialization_needed)
6150   {
6151     LoadSetup_EditorCascade();          // load last editor cascade state
6152
6153     // initialize editor cascade element from saved cascade state
6154     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6155     {
6156       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6157       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6158
6159       if (IS_EDITOR_CASCADE(*cascade_element))
6160         *cascade_element =
6161           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6162            EL_CASCADE_INACTIVE(*cascade_element));
6163     }
6164
6165     initialization_needed = FALSE;
6166   }
6167
6168   checked_free(editor_elements);
6169
6170   // reload optional user defined element list for each invocation of editor
6171   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6172                                    &num_editor_el_user_defined);
6173
6174   // initialize dynamic level element list for each invocation of editor
6175   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6176                                &num_editor_el_dynamic);
6177
6178   // initialize list of empty elements (used for padding, if needed)
6179   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6180     editor_el_empty[i] = EL_EMPTY;
6181
6182   // do some sanity checks for each element from element list
6183   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6184   {
6185     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6186     {
6187       int element = (*editor_elements_info[i].element_list)[j];
6188
6189       if (element >= NUM_FILE_ELEMENTS)
6190         Warn("editor element %d is runtime element", element);
6191
6192       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6193         Warn("no element description text for element %d", element);
6194     }
6195   }
6196
6197   num_editor_elements = 0;
6198   use_el_empty = FALSE;
6199
6200   // determine size of element list
6201   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6202   {
6203     if (*editor_elements_info[i].setup_value)
6204     {
6205       boolean found_inactive_cascade = FALSE;
6206
6207       if (setup.editor.el_headlines)
6208       {
6209         // required for correct padding of palette headline buttons
6210         if (*editor_elements_info[i].headline_list_size > 0)
6211           num_editor_elements += ED_ELEMENTLIST_COLS;
6212
6213         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6214         {
6215           int element = (*editor_elements_info[i].headline_list)[j];
6216
6217           if (IS_EDITOR_CASCADE_INACTIVE(element))
6218             found_inactive_cascade = TRUE;
6219         }
6220       }
6221
6222       if (found_inactive_cascade)
6223         continue;
6224
6225       // required for correct padding of palette element buttons
6226       int element_list_size = *editor_elements_info[i].element_list_size;
6227       int element_rows =
6228         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6229       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6230
6231       num_editor_elements += element_buttons;
6232     }
6233   }
6234
6235   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6236   {
6237     // offer at least as many elements as element buttons exist
6238     use_el_empty = TRUE;
6239     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6240
6241     num_editor_elements += num_editor_el_empty;
6242   }
6243   else
6244   {
6245     num_editor_el_empty = 0;
6246   }
6247
6248   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6249
6250   // fill element list
6251   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6252   {
6253     boolean found_inactive_cascade = FALSE;
6254
6255     if (*editor_elements_info[i].setup_value)
6256     {
6257       if (setup.editor.el_headlines)
6258       {
6259         // required for correct padding of palette headline buttons
6260         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6261                              ED_ELEMENTLIST_COLS : 0);
6262
6263         for (j = 0; j < headline_size; j++)
6264         {
6265           // use empty elements for padding of palette headline buttons
6266           int element = (j < *editor_elements_info[i].headline_list_size ?
6267                          (*editor_elements_info[i].headline_list)[j] :
6268                          editor_el_empty[0]);
6269
6270           editor_elements[pos++] = element;
6271
6272           if (IS_EDITOR_CASCADE_INACTIVE(element))
6273             found_inactive_cascade = TRUE;
6274         }
6275       }
6276
6277       if (found_inactive_cascade)
6278         continue;
6279
6280       // required for correct padding of palette element buttons
6281       int element_list_size = *editor_elements_info[i].element_list_size;
6282       int element_rows =
6283         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6284       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6285
6286       // copy all elements from element list
6287       for (j = 0; j < element_list_size; j++)
6288         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6289
6290       // use empty elements for padding of palette element buttons
6291       for (j = 0; j < element_buttons - element_list_size; j++)
6292         editor_elements[pos++] = editor_el_empty[0];
6293     }
6294   }
6295
6296   // (this function is also called before editor gadgets are initialized!)
6297   AdjustElementListScrollbar();
6298 }
6299
6300 void PrintEditorElementList(void)
6301 {
6302   boolean *stop = &setup_editor_el_user_defined;
6303   int i, j;
6304
6305   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6306   {
6307     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6308
6309     if (IS_EDITOR_CASCADE(cascade_element))
6310     {
6311       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6312       char *headline = element_info[cascade_element_show].editor_description;
6313
6314       PrintLineWithPrefix("# ", "-", 77);
6315       Print("# %s\n", headline);
6316       PrintLineWithPrefix("# ", "-", 77);
6317     }
6318
6319     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6320     {
6321       int element = (*editor_elements_info[i].headline_list)[j];
6322
6323       if (IS_EDITOR_CASCADE(element))
6324         element = EL_CHAR_MINUS;
6325
6326       Print("# %s\n", element_info[element].token_name);
6327     }
6328
6329     if (j > 0)
6330       Print("#\n");
6331
6332     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6333     {
6334       int element = (*editor_elements_info[i].element_list)[j];
6335
6336       Print("# %s\n", element_info[element].token_name);
6337     }
6338
6339     if (j > 0)
6340       Print("#\n");
6341   }
6342 }
6343
6344 static void ReinitializeElementListButtons(void)
6345 {
6346   static boolean last_setup_value_headlines = FALSE;
6347   static boolean initialization_needed = TRUE;
6348   int i;
6349
6350   if (!initialization_needed)   // check if editor element setup has changed
6351   {
6352     if (last_setup_value_headlines != setup.editor.el_headlines)
6353       initialization_needed = TRUE;
6354
6355     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6356       if (editor_elements_info[i].last_setup_value !=
6357           *editor_elements_info[i].setup_value)
6358         initialization_needed = TRUE;
6359   }
6360
6361   if (!initialization_needed)
6362     return;
6363
6364   FreeLevelEditorGadgets();
6365   CreateLevelEditorGadgets();
6366
6367   // store current setup values for next invocation of this function
6368   last_setup_value_headlines = setup.editor.el_headlines;
6369   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6370     editor_elements_info[i].last_setup_value =
6371       *editor_elements_info[i].setup_value;
6372
6373   initialization_needed = FALSE;
6374 }
6375
6376 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6377                               boolean input)
6378 {
6379   int border_graphic =
6380     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6381   struct GraphicInfo *g = &graphic_info[border_graphic];
6382   Bitmap *src_bitmap = g->bitmap;
6383   int src_x = g->src_x;
6384   int src_y = g->src_y;
6385   int border_size = g->border_size;
6386   int border_xpos = g->width  - border_size;
6387   int border_ypos = g->height - border_size;
6388   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6389   int i;
6390
6391   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6392              border_size, border_size,
6393              dest_x - border_size, dest_y - border_size);
6394   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6395              border_size, border_size,
6396              dest_x + width, dest_y - border_size);
6397   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6398              border_size, border_size,
6399              dest_x - border_size, dest_y + height);
6400   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6401              border_size, border_size,
6402              dest_x + width, dest_y + height);
6403
6404   for (i = 0; i < width / tilesize; i++)
6405   {
6406     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6407                tilesize, border_size,
6408                dest_x + i * tilesize, dest_y - border_size);
6409     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6410                tilesize, border_size,
6411                dest_x + i * tilesize, dest_y + height);
6412   }
6413
6414   for (i = 0; i < height / tilesize; i++)
6415   {
6416     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6417                border_size, tilesize,
6418                dest_x - border_size, dest_y + i * tilesize);
6419     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6420                border_size, tilesize,
6421                dest_x + width, dest_y + i * tilesize);
6422   }
6423
6424   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6425 }
6426
6427 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6428 {
6429   int xsize_tile = MAX(ed_tilesize, xsize);
6430   int ysize_tile = MAX(ed_tilesize, ysize);
6431   int xsize_full = xsize + 1;
6432   int ysize_full = ysize + 1;
6433   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6434   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6435   Pixel line_color = getTabulatorBarColor();
6436
6437   if (line_color == BLACK_PIXEL)                // black => transparent
6438     return;
6439
6440   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6441   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6442   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6443 }
6444
6445 static void DrawEditorLevelBorderLinesIfNeeded(void)
6446 {
6447   int xsize = lev_fieldx * ed_tilesize;
6448   int ysize = lev_fieldy * ed_tilesize;
6449   int line_size = getTabulatorBarHeight();
6450
6451   if (!suppressBorderElement())
6452     return;
6453
6454   // draw little border line around editable level playfield
6455
6456   if (xsize < SXSIZE)
6457     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6458
6459   if (ysize < SYSIZE)
6460     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6461
6462   if (xsize < SXSIZE && ysize < SYSIZE)
6463     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6464 }
6465
6466 static void DrawEditorElement(int x, int y, int element)
6467 {
6468   DrawSizedElement(x, y, element, ed_tilesize);
6469 }
6470
6471 static void DrawEditorElementThruMask(int x, int y, int element)
6472 {
6473   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6474 }
6475
6476 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6477 {
6478   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6479 }
6480
6481 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6482 {
6483   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6484   DrawEditorLevelBorderLinesIfNeeded();
6485 }
6486
6487 static void DrawDrawingArea(int id)
6488 {
6489   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6490   int x, y;
6491
6492   int *value = drawingarea_info[id].value;
6493   int area_xsize = drawingarea_info[id].area_xsize;
6494   int area_ysize = drawingarea_info[id].area_ysize;
6495   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6496
6497   for (x = 0; x < area_xsize; x++)
6498     for (y = 0; y < area_ysize; y++)
6499       DrawSizedGraphicExt(drawto,
6500                           gi->x + x * tilesize,
6501                           gi->y + y * tilesize,
6502                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6503 }
6504
6505 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6506 {
6507   int x, y;
6508   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6509   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6510
6511   BlitBitmap(drawto, drawto,
6512              SX + (dx == -1 ? ed_tilesize : 0),
6513              SY + (dy == -1 ? ed_tilesize : 0),
6514              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6515              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6516              SX + (dx == +1 ? ed_tilesize : 0),
6517              SY + (dy == +1 ? ed_tilesize : 0));
6518
6519   if (dx)
6520   {
6521     x = (dx == 1 ? 0 : ed_fieldx - 1);
6522     for (y = 0; y < ed_fieldy; y++)
6523       DrawEditorElementOrWall(x, y, from_x, from_y);
6524   }
6525   else if (dy)
6526   {
6527     y = (dy == 1 ? 0 : ed_fieldy - 1);
6528     for (x = 0; x < ed_fieldx; x++)
6529       DrawEditorElementOrWall(x, y, from_x, from_y);
6530   }
6531
6532   redraw_mask |= REDRAW_FIELD;
6533   BackToFront();
6534 }
6535
6536 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6537                                    int *x, int *y)
6538 {
6539   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6540 }
6541
6542 static void CreateControlButtons(void)
6543 {
6544   struct GadgetInfo *gi;
6545   int i;
6546
6547   // create toolbox buttons
6548   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6549   {
6550     int id = controlbutton_info[i].gadget_id;
6551     int type = controlbutton_info[i].gadget_type;
6552     int graphic = controlbutton_info[i].graphic;
6553     struct XYTileSize *pos = controlbutton_info[i].pos;
6554     struct GraphicInfo *gd = &graphic_info[graphic];
6555     Bitmap *deco_bitmap = NULL;
6556     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6557     int tile_size = 0, deco_shift = 0;
6558     boolean deco_masked = FALSE;
6559     int gd_x1 = gd->src_x;
6560     int gd_y1 = gd->src_y;
6561     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6562     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6563     int gd_x1a = gd->src_x + gd->active_xoffset;
6564     int gd_y1a = gd->src_y + gd->active_yoffset;
6565     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6566     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6567     int x = pos->x;
6568     int y = pos->y;
6569     unsigned int event_mask;
6570     int radio_button_nr = RADIO_NR_NONE;
6571     boolean checked = FALSE;
6572
6573     if (type == GD_TYPE_RADIO_BUTTON)
6574     {
6575       event_mask = GD_EVENT_PRESSED;
6576       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6577
6578       if (id == drawing_function)
6579         checked = TRUE;
6580     }
6581     else
6582     {
6583       if (id == GADGET_ID_WRAP_LEFT ||
6584           id == GADGET_ID_WRAP_RIGHT ||
6585           id == GADGET_ID_WRAP_UP ||
6586           id == GADGET_ID_WRAP_DOWN)
6587         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6588       else
6589         event_mask = GD_EVENT_RELEASED;
6590     }
6591
6592     if (id == GADGET_ID_PROPERTIES ||
6593         id == GADGET_ID_PALETTE)
6594     {
6595       x += DX;
6596       y += DY;
6597     }
6598     else if (id == GADGET_ID_ELEMENT_LEFT ||
6599              id == GADGET_ID_ELEMENT_MIDDLE ||
6600              id == GADGET_ID_ELEMENT_RIGHT)
6601     {
6602       x += DX;
6603       y += DY;
6604
6605       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6606                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6607                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6608
6609       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6610                                    editor.button.element_left.tile_size :
6611                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6612                                    editor.button.element_middle.tile_size :
6613                                    id == GADGET_ID_ELEMENT_RIGHT ?
6614                                    editor.button.element_right.tile_size : 0);
6615
6616       // make sure that decoration does not overlap gadget border
6617       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6618
6619       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6620
6621       deco_xpos = (gd->width  - tile_size) / 2;
6622       deco_ypos = (gd->height - tile_size) / 2;
6623       deco_shift = 1;
6624       deco_masked = gd->draw_masked;
6625     }
6626     else
6627     {
6628       x += EX;
6629       y += EY;
6630     }
6631
6632     gi = CreateGadget(GDI_CUSTOM_ID, id,
6633                       GDI_CUSTOM_TYPE_ID, i,
6634                       GDI_IMAGE_ID, graphic,
6635                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6636                       GDI_X, x,
6637                       GDI_Y, y,
6638                       GDI_WIDTH, gd->width,
6639                       GDI_HEIGHT, gd->height,
6640                       GDI_TYPE, type,
6641                       GDI_STATE, GD_BUTTON_UNPRESSED,
6642                       GDI_RADIO_NR, radio_button_nr,
6643                       GDI_CHECKED, checked,
6644                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6645                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6646                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6647                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6648                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6649                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6650                       GDI_DECORATION_SIZE, tile_size, tile_size,
6651                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6652                       GDI_DECORATION_MASKED, deco_masked,
6653                       GDI_EVENT_MASK, event_mask,
6654                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6655                       GDI_CALLBACK_ACTION, HandleControlButtons,
6656                       GDI_END);
6657
6658     if (gi == NULL)
6659       Fail("cannot create gadget");
6660
6661     level_editor_gadget[id] = gi;
6662   }
6663
6664   // these values are not constant, but can change at runtime
6665   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6666   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6667   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6668   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6669   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6670   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6671   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6672   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6673   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6674   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6675   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6676   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6677
6678   // create buttons for scrolling of drawing area and element list
6679   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6680   {
6681     int id = scrollbutton_info[i].gadget_id;
6682     int graphic = scrollbutton_info[i].graphic;
6683     struct GraphicInfo *gd = &graphic_info[graphic];
6684     Bitmap *gd_bitmap = gd->bitmap;
6685     int gd_x1 = gd->src_x;
6686     int gd_y1 = gd->src_y;
6687     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6688     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6689     int width  = gd->width;
6690     int height = gd->height;
6691     int x = scrollbutton_pos[i].x;
6692     int y = scrollbutton_pos[i].y;
6693     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6694
6695     if (id == GADGET_ID_SCROLL_LIST_UP ||
6696         id == GADGET_ID_SCROLL_LIST_DOWN)
6697     {
6698       x += PX;
6699       y += PY;
6700     }
6701     else
6702     {
6703       x += SX;
6704       y += SY;
6705     }
6706
6707     gi = CreateGadget(GDI_CUSTOM_ID, id,
6708                       GDI_CUSTOM_TYPE_ID, i,
6709                       GDI_IMAGE_ID, graphic,
6710                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6711                       GDI_X, x,
6712                       GDI_Y, y,
6713                       GDI_WIDTH, width,
6714                       GDI_HEIGHT, height,
6715                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6716                       GDI_STATE, GD_BUTTON_UNPRESSED,
6717                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6718                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6719                       GDI_EVENT_MASK, event_mask,
6720                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6721                       GDI_CALLBACK_ACTION, HandleControlButtons,
6722                       GDI_END);
6723
6724     if (gi == NULL)
6725       Fail("cannot create gadget");
6726
6727     level_editor_gadget[id] = gi;
6728   }
6729
6730   // create buttons for element list
6731   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6732   {
6733     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6734     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6735     struct GraphicInfo *gd = &graphic_info[graphic];
6736     Bitmap *gd_bitmap = gd->bitmap;
6737     Bitmap *deco_bitmap;
6738     int deco_x, deco_y, deco_xpos, deco_ypos;
6739     int gd_x1 = gd->src_x;
6740     int gd_y1 = gd->src_y;
6741     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6742     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6743     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6744     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6745     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6746     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6747     int element = editor_elements[i];
6748     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6749     unsigned int event_mask = GD_EVENT_RELEASED;
6750
6751     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6752
6753     deco_xpos = (gd->width  - tile_size) / 2;
6754     deco_ypos = (gd->height - tile_size) / 2;
6755
6756     gi = CreateGadget(GDI_CUSTOM_ID, id,
6757                       GDI_CUSTOM_TYPE_ID, i,
6758                       GDI_IMAGE_ID, graphic,
6759                       GDI_INFO_TEXT, getElementInfoText(element),
6760                       GDI_X, x,
6761                       GDI_Y, y,
6762                       GDI_WIDTH, gd->width,
6763                       GDI_HEIGHT, gd->height,
6764                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6765                       GDI_STATE, GD_BUTTON_UNPRESSED,
6766                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6767                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6768                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6769                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6770                       GDI_DECORATION_SIZE, tile_size, tile_size,
6771                       GDI_DECORATION_SHIFTING, 1, 1,
6772                       GDI_EVENT_MASK, event_mask,
6773                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6774                       GDI_CALLBACK_ACTION, HandleControlButtons,
6775                       GDI_END);
6776
6777     if (gi == NULL)
6778       Fail("cannot create gadget");
6779
6780     level_editor_gadget[id] = gi;
6781   }
6782 }
6783
6784 static void CreateCounterButtons(void)
6785 {
6786   int max_infotext_len = getMaxInfoTextLength();
6787   int i;
6788
6789   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6790   {
6791     int j;
6792     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6793     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6794
6795     // determine horizontal position to the right of specified gadget
6796     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6797       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6798            ED_GADGET_TEXT_DISTANCE);
6799
6800     // determine horizontal offset for leading text
6801     if (counterbutton_info[i].text_left != NULL)
6802       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6803
6804     for (j = 0; j < 2; j++)
6805     {
6806       struct GadgetInfo *gi;
6807       int id = (j == 0 ?
6808                 counterbutton_info[i].gadget_id_down :
6809                 counterbutton_info[i].gadget_id_up);
6810       int graphic;
6811       struct GraphicInfo *gd;
6812       int gd_x1, gd_x2, gd_y1, gd_y2;
6813       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6814       char infotext[max_infotext_len + 1];
6815
6816       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6817       {
6818         graphic = (j == 0 ?
6819                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6820                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6821
6822         event_mask |= GD_EVENT_RELEASED;
6823
6824         if (j == 0)
6825         {
6826           x = DX + editor.button.prev_level.x;
6827           y = DY + editor.button.prev_level.y;
6828         }
6829         else
6830         {
6831           x = DX + editor.button.next_level.x;
6832           y = DY + editor.button.next_level.y;
6833         }
6834       }
6835       else
6836       {
6837         graphic = (j == 0 ?
6838                    IMG_EDITOR_COUNTER_DOWN :
6839                    IMG_EDITOR_COUNTER_UP);
6840       }
6841
6842       gd = &graphic_info[graphic];
6843
6844       gd_x1 = gd->src_x;
6845       gd_y1 = gd->src_y;
6846       gd_x2 = gd->src_x + gd->pressed_xoffset;
6847       gd_y2 = gd->src_y + gd->pressed_yoffset;
6848
6849       sprintf(infotext, "%s counter value by 1, 5 or 10",
6850               (j == 0 ? "decrease" : "increase"));
6851
6852       gi = CreateGadget(GDI_CUSTOM_ID, id,
6853                         GDI_CUSTOM_TYPE_ID, i,
6854                         GDI_IMAGE_ID, graphic,
6855                         GDI_INFO_TEXT, infotext,
6856                         GDI_X, x,
6857                         GDI_Y, y,
6858                         GDI_WIDTH, gd->width,
6859                         GDI_HEIGHT, gd->height,
6860                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6861                         GDI_STATE, GD_BUTTON_UNPRESSED,
6862                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6863                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6864                         GDI_EVENT_MASK, event_mask,
6865                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6866                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6867                         GDI_END);
6868
6869       if (gi == NULL)
6870         Fail("cannot create gadget");
6871
6872       level_editor_gadget[id] = gi;
6873       right_gadget_border[id] =
6874         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6875
6876       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6877
6878       if (j == 0)
6879       {
6880         int font_type = FONT_INPUT_1;
6881         int font_type_active = FONT_INPUT_1_ACTIVE;
6882
6883         id = counterbutton_info[i].gadget_id_text;
6884
6885         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6886
6887         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6888         {
6889           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6890
6891           font_type = FONT_LEVEL_NUMBER;
6892           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6893
6894           x = DX + editor.input.level_number.x;
6895           y = DY + editor.input.level_number.y;
6896         }
6897         else
6898         {
6899           graphic = IMG_EDITOR_COUNTER_INPUT;
6900         }
6901
6902         gd = &graphic_info[graphic];
6903
6904         gd_x1 = gd->src_x;
6905         gd_y1 = gd->src_y;
6906         gd_x2 = gd->src_x + gd->active_xoffset;
6907         gd_y2 = gd->src_y + gd->active_yoffset;
6908
6909         gi = CreateGadget(GDI_CUSTOM_ID, id,
6910                           GDI_CUSTOM_TYPE_ID, i,
6911                           GDI_IMAGE_ID, graphic,
6912                           GDI_INFO_TEXT, "enter counter value",
6913                           GDI_X, x,
6914                           GDI_Y, y,
6915                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6916                           GDI_NUMBER_VALUE, 0,
6917                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6918                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6919                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6920                           GDI_TEXT_FONT, font_type,
6921                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6922                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6923                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6924                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6925                           GDI_DESIGN_WIDTH, gd->width,
6926                           GDI_EVENT_MASK, event_mask,
6927                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6928                           GDI_CALLBACK_ACTION, HandleCounterButtons,
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, counterbutton_info[i].text_right);
6937
6938         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6939       }
6940     }
6941   }
6942 }
6943
6944 static void CreateDrawingAreas(void)
6945 {
6946   int i;
6947
6948   // these values are not constant, but can change at runtime
6949   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6950   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6951
6952   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6953   {
6954     struct GadgetInfo *gi;
6955     int id = drawingarea_info[i].gadget_id;
6956     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6957     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6958     int area_xsize = drawingarea_info[i].area_xsize;
6959     int area_ysize = drawingarea_info[i].area_ysize;
6960     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6961                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6962     unsigned int event_mask =
6963       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6964       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6965
6966     // determine horizontal position to the right of specified gadget
6967     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6968       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6969            ED_DRAWINGAREA_TEXT_DISTANCE);
6970
6971     // determine horizontal offset for leading text
6972     if (drawingarea_info[i].text_left != NULL)
6973       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6974
6975     gi = CreateGadget(GDI_CUSTOM_ID, id,
6976                       GDI_CUSTOM_TYPE_ID, i,
6977                       GDI_X, x,
6978                       GDI_Y, y,
6979                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6980                       GDI_AREA_SIZE, area_xsize, area_ysize,
6981                       GDI_ITEM_SIZE, item_size, item_size,
6982                       GDI_EVENT_MASK, event_mask,
6983                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6984                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6985                       GDI_END);
6986
6987     if (gi == NULL)
6988       Fail("cannot create gadget");
6989
6990     level_editor_gadget[id] = gi;
6991     right_gadget_border[id] =
6992       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6993   }
6994 }
6995
6996 static void CreateTextInputGadgets(void)
6997 {
6998   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6999   int max_infotext_len = getMaxInfoTextLength();
7000   int i;
7001
7002   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7003   {
7004     int gd_x1 = gd->src_x;
7005     int gd_y1 = gd->src_y;
7006     int gd_x2 = gd->src_x + gd->active_xoffset;
7007     int gd_y2 = gd->src_y + gd->active_yoffset;
7008     struct GadgetInfo *gi;
7009     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7010     char infotext[MAX_OUTPUT_LINESIZE + 1];
7011     int id = textinput_info[i].gadget_id;
7012     int x, y;
7013
7014     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7015     {
7016       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7017       int border_size = gd->border_size;
7018       int font_nr = FONT_INPUT_1;
7019       int font_height = getFontHeight(font_nr);
7020       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7021       int yoffset = element_border + (TILEY - font_height) / 2;
7022
7023       x = (editor.settings.element_name.x != -1 ?
7024            editor.settings.element_name.x :
7025            editor.settings.element_graphic.x + xoffset) - border_size;
7026       y = (editor.settings.element_name.y != -1 ?
7027            editor.settings.element_name.y :
7028            editor.settings.element_graphic.y + yoffset) - border_size;
7029     }
7030     else
7031     {
7032       x = ED_SETTINGS_X(textinput_info[i].x);
7033       y = ED_SETTINGS_Y(textinput_info[i].y);
7034     }
7035
7036     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7037     infotext[max_infotext_len] = '\0';
7038
7039     gi = CreateGadget(GDI_CUSTOM_ID, id,
7040                       GDI_CUSTOM_TYPE_ID, i,
7041                       GDI_INFO_TEXT, infotext,
7042                       GDI_X, SX + x,
7043                       GDI_Y, SY + y,
7044                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7045                       GDI_TEXT_VALUE, textinput_info[i].value,
7046                       GDI_TEXT_SIZE, textinput_info[i].size,
7047                       GDI_TEXT_FONT, FONT_INPUT_1,
7048                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7049                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7050                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7051                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7052                       GDI_DESIGN_WIDTH, gd->width,
7053                       GDI_EVENT_MASK, event_mask,
7054                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7055                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7056                       GDI_END);
7057
7058     if (gi == NULL)
7059       Fail("cannot create gadget");
7060
7061     level_editor_gadget[id] = gi;
7062   }
7063 }
7064
7065 static void CreateTextAreaGadgets(void)
7066 {
7067   int max_infotext_len = getMaxInfoTextLength();
7068   int i;
7069
7070   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7071   {
7072     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7073     int gd_x1 = gd->src_x;
7074     int gd_y1 = gd->src_y;
7075     int gd_x2 = gd->src_x + gd->active_xoffset;
7076     int gd_y2 = gd->src_y + gd->active_yoffset;
7077     struct GadgetInfo *gi;
7078     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7079     char infotext[MAX_OUTPUT_LINESIZE + 1];
7080     int id = textarea_info[i].gadget_id;
7081     int area_xsize = textarea_info[i].xsize;
7082     int area_ysize = textarea_info[i].ysize;
7083
7084     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7085     infotext[max_infotext_len] = '\0';
7086
7087     gi = CreateGadget(GDI_CUSTOM_ID, id,
7088                       GDI_CUSTOM_TYPE_ID, i,
7089                       GDI_INFO_TEXT, infotext,
7090                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7091                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7092                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7093                       GDI_AREA_SIZE, area_xsize, area_ysize,
7094                       GDI_TEXT_FONT, FONT_INPUT_1,
7095                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7096                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7097                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7098                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7099                       GDI_DESIGN_WIDTH, gd->width,
7100                       GDI_EVENT_MASK, event_mask,
7101                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7102                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7103                       GDI_END);
7104
7105     if (gi == NULL)
7106       Fail("cannot create gadget");
7107
7108     level_editor_gadget[id] = gi;
7109   }
7110 }
7111
7112 static void CreateSelectboxGadgets(void)
7113 {
7114   int max_infotext_len = getMaxInfoTextLength();
7115   int i, j;
7116
7117   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7118   {
7119     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7120     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7121     int gd_x1 = gd->src_x;
7122     int gd_y1 = gd->src_y;
7123     int gd_x2 = gd->src_x + gd->active_xoffset;
7124     int gd_y2 = gd->src_y + gd->active_yoffset;
7125     int selectbox_button_xsize = gd2->width;
7126     struct GadgetInfo *gi;
7127     char infotext[MAX_OUTPUT_LINESIZE + 1];
7128     int id = selectbox_info[i].gadget_id;
7129     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7130     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7131     unsigned int event_mask =
7132       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7133
7134     if (selectbox_info[i].size == -1)   // dynamically determine size
7135     {
7136       // (we cannot use -1 for uninitialized values if we directly compare
7137       // with results from strlen(), because the '<' and '>' operation will
7138       // implicitely cast -1 to an unsigned integer value!)
7139       selectbox_info[i].size = 0;
7140
7141       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7142         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7143           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7144
7145       selectbox_info[i].size++;         // add one character empty space
7146     }
7147
7148     // determine horizontal position to the right of specified gadget
7149     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7150       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7151            ED_GADGET_TEXT_DISTANCE);
7152
7153     // determine horizontal offset for leading text
7154     if (selectbox_info[i].text_left != NULL)
7155       x += getTextWidthForGadget(selectbox_info[i].text_left);
7156
7157     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7158     infotext[max_infotext_len] = '\0';
7159
7160     gi = CreateGadget(GDI_CUSTOM_ID, id,
7161                       GDI_CUSTOM_TYPE_ID, i,
7162                       GDI_INFO_TEXT, infotext,
7163                       GDI_X, x,
7164                       GDI_Y, y,
7165                       GDI_TYPE, GD_TYPE_SELECTBOX,
7166                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7167                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7168                       GDI_TEXT_SIZE, selectbox_info[i].size,
7169                       GDI_TEXT_FONT, FONT_INPUT_1,
7170                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7171                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
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_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7176                       GDI_DESIGN_WIDTH, gd->width,
7177                       GDI_EVENT_MASK, event_mask,
7178                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7179                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7180                       GDI_END);
7181
7182     if (gi == NULL)
7183       Fail("cannot create gadget");
7184
7185     level_editor_gadget[id] = gi;
7186     right_gadget_border[id] =
7187       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7188   }
7189 }
7190
7191 static void CreateTextbuttonGadgets(void)
7192 {
7193   int max_infotext_len = getMaxInfoTextLength();
7194   int i;
7195
7196   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7197   {
7198     int id = textbutton_info[i].gadget_id;
7199     int is_tab_button =
7200       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_EDITOR) ||
7201        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7202     int graphic =
7203       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7204     int gadget_distance =
7205       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7206     struct GraphicInfo *gd = &graphic_info[graphic];
7207     int gd_x1 = gd->src_x;
7208     int gd_y1 = gd->src_y;
7209     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7210     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7211     int gd_x1a = gd->src_x + gd->active_xoffset;
7212     int gd_y1a = gd->src_y + gd->active_yoffset;
7213     int border_xsize = gd->border_size + gd->draw_xoffset;
7214     int border_ysize = gd->border_size;
7215     struct GadgetInfo *gi;
7216     unsigned int event_mask = GD_EVENT_RELEASED;
7217     char infotext[MAX_OUTPUT_LINESIZE + 1];
7218     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7219     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7220
7221     if (textbutton_info[i].size == -1)  // dynamically determine size
7222       textbutton_info[i].size = strlen(textbutton_info[i].text);
7223
7224     sprintf(infotext, "%s", textbutton_info[i].infotext);
7225     infotext[max_infotext_len] = '\0';
7226
7227     // determine horizontal position to the right of specified gadget
7228     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7229     {
7230       int gadget_id_align = textbutton_info[i].gadget_id_align;
7231
7232       x = right_gadget_border[gadget_id_align] + gadget_distance;
7233
7234       if (textbutton_info[i].y == -1)
7235         y = level_editor_gadget[gadget_id_align]->y;
7236     }
7237
7238     // determine horizontal offset for leading text
7239     if (textbutton_info[i].text_left != NULL)
7240       x += getTextWidthForGadget(textbutton_info[i].text_left);
7241
7242     gi = CreateGadget(GDI_CUSTOM_ID, id,
7243                       GDI_CUSTOM_TYPE_ID, i,
7244                       GDI_IMAGE_ID, graphic,
7245                       GDI_INFO_TEXT, infotext,
7246                       GDI_X, x,
7247                       GDI_Y, y,
7248                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7249                       GDI_TEXT_VALUE, textbutton_info[i].text,
7250                       GDI_TEXT_SIZE, textbutton_info[i].size,
7251                       GDI_TEXT_FONT, FONT_INPUT_2,
7252                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7253                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7254                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7255                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7256                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7257                       GDI_DESIGN_WIDTH, gd->width,
7258                       GDI_DECORATION_SHIFTING, 1, 1,
7259                       GDI_EVENT_MASK, event_mask,
7260                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7261                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7262                       GDI_END);
7263
7264     if (gi == NULL)
7265       Fail("cannot create gadget");
7266
7267     level_editor_gadget[id] = gi;
7268     right_gadget_border[id] =
7269       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7270   }
7271 }
7272
7273 static void CreateGraphicbuttonGadgets(void)
7274 {
7275   struct GadgetInfo *gi;
7276   int i;
7277
7278   // create buttons for scrolling of drawing area and element list
7279   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7280   {
7281     int id = graphicbutton_info[i].gadget_id;
7282     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7283     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7284     int graphic = graphicbutton_info[i].graphic;
7285     struct GraphicInfo *gd = &graphic_info[graphic];
7286     int gd_x1 = gd->src_x;
7287     int gd_y1 = gd->src_y;
7288     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7289     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7290     unsigned int event_mask = GD_EVENT_RELEASED;
7291
7292     // determine horizontal position to the right of specified gadget
7293     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7294       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7295            ED_GADGET_TEXT_DISTANCE);
7296
7297     // determine horizontal offset for leading text
7298     if (graphicbutton_info[i].text_left != NULL)
7299       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7300
7301     gi = CreateGadget(GDI_CUSTOM_ID, id,
7302                       GDI_CUSTOM_TYPE_ID, i,
7303                       GDI_IMAGE_ID, graphic,
7304                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7305                       GDI_X, x,
7306                       GDI_Y, y,
7307                       GDI_WIDTH, gd->width,
7308                       GDI_HEIGHT, gd->height,
7309                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7310                       GDI_STATE, GD_BUTTON_UNPRESSED,
7311                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7312                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7313                       GDI_EVENT_MASK, event_mask,
7314                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7315                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7316                       GDI_END);
7317
7318     if (gi == NULL)
7319       Fail("cannot create gadget");
7320
7321     level_editor_gadget[id] = gi;
7322     right_gadget_border[id] =
7323       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7324   }
7325 }
7326
7327 static void CreateScrollbarGadgets(void)
7328 {
7329   int i;
7330
7331   // these values are not constant, but can change at runtime
7332   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7333     SX + ED_SCROLL_HORIZONTAL_XPOS;
7334   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7335     SY + ED_SCROLL_HORIZONTAL_YPOS;
7336   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7337     ED_SCROLL_HORIZONTAL_XSIZE;
7338   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7339     ED_SCROLL_HORIZONTAL_YSIZE;
7340   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7341   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7342   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7343   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7344
7345   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7346     SX + ED_SCROLL_VERTICAL_XPOS;
7347   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7348     SY + ED_SCROLL_VERTICAL_YPOS;
7349   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7350     ED_SCROLL_VERTICAL_XSIZE;
7351   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7352     ED_SCROLL_VERTICAL_YSIZE;
7353   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7354   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7355   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7356   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7357
7358   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7359     PX + ED_SCROLL2_VERTICAL_XPOS;
7360   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7361     PY + ED_SCROLL2_VERTICAL_YPOS;
7362   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7363     ED_SCROLL2_VERTICAL_XSIZE;
7364   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7365     ED_SCROLL2_VERTICAL_YSIZE;
7366   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7367   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7368   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7369   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7370
7371   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7372   {
7373     int id = scrollbar_info[i].gadget_id;
7374     int graphic = scrollbar_info[i].graphic;
7375     struct GraphicInfo *gd = &graphic_info[graphic];
7376     int gd_x1 = gd->src_x;
7377     int gd_y1 = gd->src_y;
7378     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7379     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7380     struct GadgetInfo *gi;
7381     int items_max, items_visible, item_position;
7382     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7383
7384     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7385     {
7386       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7387       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7388       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7389     }
7390     else        // drawing area scrollbars
7391     {
7392       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7393       {
7394         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7395         items_visible = ed_fieldx;
7396         item_position = 0;
7397       }
7398       else
7399       {
7400         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7401         items_visible = ed_fieldy;
7402         item_position = 0;
7403       }
7404     }
7405
7406     gi = CreateGadget(GDI_CUSTOM_ID, id,
7407                       GDI_CUSTOM_TYPE_ID, i,
7408                       GDI_IMAGE_ID, graphic,
7409                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7410                       GDI_X, scrollbar_pos[i].x,
7411                       GDI_Y, scrollbar_pos[i].y,
7412                       GDI_WIDTH, scrollbar_pos[i].width,
7413                       GDI_HEIGHT, scrollbar_pos[i].height,
7414                       GDI_TYPE, scrollbar_info[i].type,
7415                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7416                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7417                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7418                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7419                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7420                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7421                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7422                       GDI_STATE, GD_BUTTON_UNPRESSED,
7423                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7424                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7425                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7426                       GDI_EVENT_MASK, event_mask,
7427                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7428                       GDI_CALLBACK_ACTION, HandleControlButtons,
7429                       GDI_END);
7430
7431     if (gi == NULL)
7432       Fail("cannot create gadget");
7433
7434     level_editor_gadget[id] = gi;
7435   }
7436 }
7437
7438 static void CreateCheckbuttonGadgets(void)
7439 {
7440   struct GadgetInfo *gi;
7441   int i;
7442
7443   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7444   {
7445     int id = checkbutton_info[i].gadget_id;
7446     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7447                    IMG_EDITOR_CHECKBOX);
7448     struct GraphicInfo *gd = &graphic_info[graphic];
7449     int gd_x1 = gd->src_x;
7450     int gd_y1 = gd->src_y;
7451     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7452     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7453     int gd_x1a = gd->src_x + gd->active_xoffset;
7454     int gd_y1a = gd->src_y + gd->active_yoffset;
7455     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7456     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7457     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7458     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7459     unsigned int event_mask = GD_EVENT_PRESSED;
7460
7461     // determine horizontal position to the right of specified gadget
7462     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7463       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7464            ED_GADGET_TEXT_DISTANCE);
7465
7466     // determine horizontal offset for leading text
7467     if (checkbutton_info[i].text_left != NULL)
7468       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7469
7470     gi = CreateGadget(GDI_CUSTOM_ID, id,
7471                       GDI_CUSTOM_TYPE_ID, i,
7472                       GDI_IMAGE_ID, graphic,
7473                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7474                       GDI_X, x,
7475                       GDI_Y, y,
7476                       GDI_WIDTH, gd->width,
7477                       GDI_HEIGHT, gd->height,
7478                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7479                       GDI_CHECKED, *checkbutton_info[i].value,
7480                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7481                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7482                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7483                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7484                       GDI_EVENT_MASK, event_mask,
7485                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7486                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7487                       GDI_END);
7488
7489     if (gi == NULL)
7490       Fail("cannot create gadget");
7491
7492     level_editor_gadget[id] = gi;
7493     right_gadget_border[id] =
7494       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7495   }
7496 }
7497
7498 static void CreateRadiobuttonGadgets(void)
7499 {
7500   int graphic = IMG_EDITOR_RADIOBUTTON;
7501   struct GraphicInfo *gd = &graphic_info[graphic];
7502   int gd_x1 = gd->src_x;
7503   int gd_y1 = gd->src_y;
7504   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7505   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7506   int gd_x1a = gd->src_x + gd->active_xoffset;
7507   int gd_y1a = gd->src_y + gd->active_yoffset;
7508   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7509   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7510   struct GadgetInfo *gi;
7511   int i;
7512
7513   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7514   {
7515     int id = radiobutton_info[i].gadget_id;
7516     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7517     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7518     unsigned int event_mask = GD_EVENT_PRESSED;
7519
7520     int checked =
7521       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7522
7523     // determine horizontal position to the right of specified gadget
7524     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7525       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7526            ED_GADGET_TEXT_DISTANCE);
7527
7528     // determine horizontal offset for leading text
7529     if (radiobutton_info[i].text_left != NULL)
7530       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7531
7532     gi = CreateGadget(GDI_CUSTOM_ID, id,
7533                       GDI_CUSTOM_TYPE_ID, i,
7534                       GDI_IMAGE_ID, graphic,
7535                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7536                       GDI_X, x,
7537                       GDI_Y, y,
7538                       GDI_WIDTH, gd->width,
7539                       GDI_HEIGHT, gd->height,
7540                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7541                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7542                       GDI_CHECKED, checked,
7543                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7544                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7545                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7546                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7547                       GDI_EVENT_MASK, event_mask,
7548                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7549                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7550                       GDI_END);
7551
7552     if (gi == NULL)
7553       Fail("cannot create gadget");
7554
7555     level_editor_gadget[id] = gi;
7556     right_gadget_border[id] =
7557       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7558   }
7559 }
7560
7561 void CreateLevelEditorGadgets(void)
7562 {
7563   // force EDITOR font inside level editor
7564   SetFontStatus(GAME_MODE_EDITOR);
7565
7566   // these values are not constant, but can change at runtime
7567   ed_fieldx = MAX_ED_FIELDX - 1;
7568   ed_fieldy = MAX_ED_FIELDY - 1;
7569
7570   num_editor_gadgets = NUM_EDITOR_GADGETS;
7571
7572   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7573
7574   level_editor_gadget =
7575     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7576   right_gadget_border =
7577     checked_calloc(num_editor_gadgets * sizeof(int));
7578
7579   // set number of empty (padding) element buttons to maximum number of buttons
7580   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7581
7582   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7583   editor_el_empty_ptr = editor_el_empty;
7584
7585   use_permanent_palette = !editor.palette.show_as_separate_screen;
7586
7587   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
7588
7589   ReinitializeElementList();
7590
7591   CreateControlButtons();
7592   CreateScrollbarGadgets();
7593
7594   // order of function calls is important because of cross-references
7595   CreateCheckbuttonGadgets();
7596   CreateCounterButtons();
7597   CreateRadiobuttonGadgets();
7598   CreateTextInputGadgets();
7599   CreateTextAreaGadgets();
7600   CreateSelectboxGadgets();
7601   CreateGraphicbuttonGadgets();
7602   CreateTextbuttonGadgets();
7603   CreateDrawingAreas();
7604
7605   ResetFontStatus();
7606 }
7607
7608 void FreeLevelEditorGadgets(void)
7609 {
7610   int i;
7611
7612   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7613
7614   for (i = 0; i < num_editor_gadgets; i++)
7615   {
7616     FreeGadget(level_editor_gadget[i]);
7617
7618     level_editor_gadget[i] = NULL;
7619   }
7620
7621   checked_free(level_editor_gadget);
7622   checked_free(right_gadget_border);
7623
7624   checked_free(editor_el_empty);
7625 }
7626
7627 static void MapCounterButtons(int id)
7628 {
7629   int font_nr = FONT_TEXT_1;
7630   int font_height = getFontHeight(font_nr);
7631   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7632   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7633   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7634   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7635   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7636   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7637   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7638   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7639   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7640   int yoffset = (gi_down->height - font_height) / 2;
7641   int x_left = gi_down->x - xoffset_left;
7642   int x_right;  // set after gadget position was modified
7643   int y_above = gi_down->y - yoffset_above;
7644   int x = gi_down->x;
7645   int y;        // set after gadget position was modified
7646
7647   // counter limits must be changed first to prevent value truncation
7648   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7649                             counterbutton_info[id].max_value);
7650
7651   // right text position might have changed after setting position above
7652   x_right = gi_up->x + gi_up->width + xoffset_right;
7653
7654   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7655
7656   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7657   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7658       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7659   {
7660     ModifyGadget(gi_down, GDI_Y,
7661                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7662     ModifyGadget(gi_text, GDI_Y,
7663                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7664     ModifyGadget(gi_up,   GDI_Y,
7665                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7666   }
7667
7668   // vertical position might have changed after setting position above
7669   y = gi_up->y + yoffset;
7670
7671   if (counterbutton_info[id].text_above)
7672     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7673
7674   if (counterbutton_info[id].text_left)
7675     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7676
7677   if (counterbutton_info[id].text_right)
7678     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7679
7680   MapGadget(gi_down);
7681   MapGadget(gi_text);
7682   MapGadget(gi_up);
7683 }
7684
7685 static void MapControlButtons(void)
7686 {
7687   int counter_id;
7688   int i;
7689
7690   // map toolbox buttons (excluding special CE toolbox buttons)
7691   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7692     MapGadget(level_editor_gadget[i]);
7693
7694   // map toolbox buttons (element properties buttons)
7695   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7696     MapGadget(level_editor_gadget[i]);
7697
7698   if (use_permanent_palette)
7699   {
7700     // map buttons to select elements
7701     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7702       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7703     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7704     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7705     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7706   }
7707
7708   // map buttons to select level
7709   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7710   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7711   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7712   MapCounterButtons(counter_id);
7713 }
7714
7715 static void MapDrawingArea(int id)
7716 {
7717   int font_nr = FONT_TEXT_1;
7718   int font_height = getFontHeight(font_nr);
7719   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7720   int area_xsize = gi->drawing.area_xsize;
7721   int area_ysize = gi->drawing.area_ysize;
7722   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7723   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7724   int x_left  = gi->x - xoffset_left;
7725   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7726   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7727   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7728   int y_side  = gi->y + (gi->height - font_height) / 2;
7729   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7730   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7731
7732   if (drawingarea_info[id].text_left)
7733     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7734
7735   if (drawingarea_info[id].text_right)
7736     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7737
7738   if (drawingarea_info[id].text_above)
7739     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7740
7741   if (drawingarea_info[id].text_below)
7742     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7743
7744   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7745   {
7746     DrawElementBorder(gi->x, gi->y,
7747                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7748                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7749
7750     DrawDrawingArea(id);
7751   }
7752
7753   MapGadget(gi);
7754 }
7755
7756 static void MapTextInputGadget(int id)
7757 {
7758   int font_nr = FONT_TEXT_1;
7759   int font_height = getFontHeight(font_nr);
7760   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7761   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7762   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7763   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7764
7765   if (textinput_info[id].text_above)
7766     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7767
7768   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7769
7770   MapGadget(gi);
7771 }
7772
7773 static void MapTextAreaGadget(int id)
7774 {
7775   int font_nr = FONT_TEXT_1;
7776   int font_height = getFontHeight(font_nr);
7777   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7778   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7779   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7780   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7781   char *text_above = textarea_info[id].text_above;
7782
7783   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
7784     text_above = textarea_info[id].text_above_cropped;
7785
7786   if (text_above)
7787     DrawTextS(x_above, y_above, font_nr, text_above);
7788
7789   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7790
7791   MapGadget(gi);
7792 }
7793
7794 static void MapSelectboxGadget(int id)
7795 {
7796   int font_nr = FONT_TEXT_1;
7797   int font_height = getFontHeight(font_nr);
7798   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7799   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7800   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7801   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7802   int yoffset = (gi->height - font_height) / 2;
7803   int x_left = gi->x - xoffset_left;
7804   int x_right = gi->x + gi->width + xoffset_right;
7805   int y_above = gi->y - yoffset_above;
7806   int x = gi->x;
7807   int y = gi->y + yoffset;
7808
7809   if (selectbox_info[id].text_above)
7810     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7811
7812   if (selectbox_info[id].text_left)
7813     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7814
7815   if (selectbox_info[id].text_right)
7816     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7817
7818   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7819
7820   MapGadget(gi);
7821 }
7822
7823 static void MapTextbuttonGadget(int id)
7824 {
7825   int font_nr = FONT_TEXT_1;
7826   int font_height = getFontHeight(font_nr);
7827   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7828   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7829   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7830   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7831   int yoffset = (gi->height - font_height) / 2;
7832   int x_left = gi->x - xoffset_left;
7833   int x_right = gi->x + gi->width + xoffset_right;
7834   int y_above = gi->y - yoffset_above;
7835   int x = gi->x;
7836   int y = gi->y + yoffset;
7837
7838   // only show button to delete change pages when more than minimum pages
7839   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7840       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7841     return;
7842
7843   if (textbutton_info[id].text_above)
7844     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7845
7846   if (textbutton_info[id].text_left)
7847     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7848
7849   if (textbutton_info[id].text_right)
7850     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7851
7852   MapGadget(gi);
7853 }
7854
7855 static void MapGraphicbuttonGadget(int id)
7856 {
7857   int font_nr = FONT_TEXT_1;
7858   int font_height = getFontHeight(font_nr);
7859   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
7860   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7861   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7862   int yoffset = (gi->height - font_height) / 2;
7863   int x_left = gi->x - xoffset_left;
7864   int x_right = gi->x + gi->width + xoffset_right;
7865   int y = gi->y + yoffset;
7866
7867   if (graphicbutton_info[id].text_left)
7868     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7869
7870   if (graphicbutton_info[id].text_right)
7871     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7872
7873   MapGadget(gi);
7874 }
7875
7876 static void MapRadiobuttonGadget(int id)
7877 {
7878   int font_nr = FONT_TEXT_1;
7879   int font_height = getFontHeight(font_nr);
7880   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7881   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7882   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7883   int yoffset = (gi->height - font_height) / 2;
7884   int x_left = gi->x - xoffset_left;
7885   int x_right = gi->x + gi->width + xoffset_right;
7886   int y = gi->y + yoffset;
7887   boolean checked =
7888     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7889
7890   if (radiobutton_info[id].text_left)
7891     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7892
7893   if (radiobutton_info[id].text_right)
7894     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7895
7896   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7897
7898   MapGadget(gi);
7899 }
7900
7901 static void MapCheckbuttonGadget(int id)
7902 {
7903   int font_nr = FONT_TEXT_1;
7904   int font_height = getFontHeight(font_nr);
7905   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7906   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7907   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7908   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7909   int yoffset = (gi->height - font_height) / 2;
7910   int y_above = gi->y - yoffset_above;
7911   int x = gi->x;
7912   int x_left, x_right, y;       // set after gadget position was modified
7913
7914   // set position for gadgets with dynamically determined position
7915   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7916     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
7917   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7918
7919   x_left = gi->x - xoffset_left;
7920   x_right = gi->x + gi->width + xoffset_right;
7921   y = gi->y + yoffset;
7922
7923   if (checkbutton_info[id].text_above)
7924     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7925
7926   if (checkbutton_info[id].text_left)
7927     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7928
7929   if (checkbutton_info[id].text_right)
7930     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7931
7932   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7933
7934   MapGadget(gi);
7935 }
7936
7937 static void MapMainDrawingArea(void)
7938 {
7939   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7940   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7941   int i;
7942
7943   if (suppressBorderElement())
7944   {
7945     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7946     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7947   }
7948
7949   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7950   {
7951     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7952           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7953          no_horizontal_scrollbar) ||
7954         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7955           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7956          no_vertical_scrollbar))
7957       continue;
7958
7959     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7960   }
7961
7962   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7963   {
7964     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7965         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7966       continue;
7967
7968     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7969   }
7970
7971   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7972 }
7973
7974 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7975 {
7976   int i;
7977
7978   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7979   {
7980     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7981         i == GADGET_ID_CUSTOM_COPY_TO ||
7982         i == GADGET_ID_CUSTOM_EXCHANGE ||
7983         i == GADGET_ID_CUSTOM_COPY ||
7984         i == GADGET_ID_CUSTOM_PASTE)
7985     {
7986       if (map)
7987         MapGadget(level_editor_gadget[i]);
7988       else
7989         UnmapGadget(level_editor_gadget[i]);
7990     }
7991   }
7992 }
7993
7994 static void MapLevelEditorToolboxCustomGadgets(void)
7995 {
7996   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7997 }
7998
7999 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8000 {
8001   if (IS_CUSTOM_ELEMENT(properties_element) ||
8002       IS_GROUP_ELEMENT(properties_element) ||
8003       IS_EMPTY_ELEMENT(properties_element))
8004     MapLevelEditorToolboxCustomGadgets();
8005 }
8006
8007 static void UnmapLevelEditorToolboxCustomGadgets(void)
8008 {
8009   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8010 }
8011
8012 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8013 {
8014   int i;
8015
8016   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8017   {
8018     if (i != GADGET_ID_SINGLE_ITEMS &&
8019         i != GADGET_ID_PICK_ELEMENT)
8020     {
8021       struct GadgetInfo *gi = level_editor_gadget[i];
8022
8023       if (map)
8024       {
8025         MapGadget(gi);
8026       }
8027       else
8028       {
8029         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8030         struct GraphicInfo *gd = &graphic_info[graphic];
8031
8032         UnmapGadget(gi);
8033
8034         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8035                    gi->width, gi->height, gi->x, gi->y);
8036
8037         redraw_mask |= REDRAW_DOOR_3;
8038       }
8039     }
8040   }
8041 }
8042
8043 static void MapLevelEditorToolboxDrawingGadgets(void)
8044 {
8045   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8046 }
8047
8048 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8049 {
8050   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8051 }
8052
8053 static void UnmapDrawingArea(int id)
8054 {
8055   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8056 }
8057
8058 static void UnmapLevelEditorFieldGadgets(void)
8059 {
8060   int i;
8061
8062   for (i = 0; i < num_editor_gadgets; i++)
8063     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8064                           level_editor_gadget[i]->y))
8065       UnmapGadget(level_editor_gadget[i]);
8066 }
8067
8068 void UnmapLevelEditorGadgets(void)
8069 {
8070   int i;
8071
8072   for (i = 0; i < num_editor_gadgets; i++)
8073     UnmapGadget(level_editor_gadget[i]);
8074 }
8075
8076 static void ResetUndoBuffer(void)
8077 {
8078   undo_buffer_position = -1;
8079   undo_buffer_steps = -1;
8080   redo_buffer_steps = 0;
8081
8082   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8083
8084   level.changed = FALSE;
8085 }
8086
8087 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8088 {
8089   if (remap_toolbox_gadgets)
8090   {
8091     ModifyEditorElementList();
8092     RedrawDrawingElements();
8093   }
8094
8095   if (edit_mode == ED_MODE_LEVELCONFIG)
8096     DrawLevelConfigWindow();
8097   else if (edit_mode == ED_MODE_PROPERTIES)
8098     DrawPropertiesWindow();
8099   else if (edit_mode == ED_MODE_PALETTE)
8100     DrawPaletteWindow();
8101   else  // edit_mode == ED_MODE_DRAWING
8102     DrawDrawingWindowExt(remap_toolbox_gadgets);
8103 }
8104
8105 static void DrawEditModeWindow(void)
8106 {
8107   DrawEditModeWindowExt(TRUE);
8108 }
8109
8110 static void DrawEditModeWindow_PlayfieldOnly(void)
8111 {
8112   DrawEditModeWindowExt(FALSE);
8113 }
8114
8115 static void ChangeEditModeWindow(int new_edit_mode)
8116 {
8117   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8118
8119   DrawEditModeWindow();
8120 }
8121
8122 static boolean LevelChanged(void)
8123 {
8124   boolean field_changed = FALSE;
8125   int x, y;
8126
8127   for (y = 0; y < lev_fieldy; y++)
8128     for (x = 0; x < lev_fieldx; x++)
8129       if (Tile[x][y] != level.field[x][y])
8130         field_changed = TRUE;
8131
8132   return (level.changed || field_changed);
8133 }
8134
8135 static boolean PrepareSavingIntoPersonalLevelSet(void)
8136 {
8137   static LevelDirTree *last_copied_leveldir = NULL;
8138   static LevelDirTree *last_written_leveldir = NULL;
8139   static int last_copied_level_nr = -1;
8140   static int last_written_level_nr = -1;
8141   LevelDirTree *leveldir_former = leveldir_current;
8142   int level_nr_former = level_nr;
8143   int new_level_nr;
8144
8145   // remember last mod/save so that for current session, we write
8146   // back to the same personal copy, asking only about overwrite.
8147   if (leveldir_current == last_copied_leveldir &&
8148       level_nr == last_copied_level_nr)
8149   {
8150     // "cd" to personal level set dir (as used when writing last copy)
8151     leveldir_current = last_written_leveldir;
8152     level_nr = last_written_level_nr;
8153
8154     return TRUE;
8155   }
8156
8157   if (!Request("This level is read-only! "
8158                "Save into personal level set?", REQ_ASK))
8159     return FALSE;
8160
8161   // "cd" to personal level set dir (for writing copy the first time)
8162   leveldir_current =
8163     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8164
8165   // this may happen if "setup.internal.create_user_levelset" is FALSE
8166   // or if file "levelinfo.conf" is missing in personal user level set
8167   if (leveldir_current == NULL)
8168   {
8169     Request("Cannot find personal level set?!", REQ_CONFIRM);
8170
8171     leveldir_current = leveldir_former;
8172
8173     return FALSE;
8174   }
8175
8176   // find unused level number
8177   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8178   {
8179     static char *level_filename = NULL;
8180
8181     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8182
8183     if (!fileExists(level_filename))
8184       break;
8185   }
8186
8187   last_copied_leveldir = leveldir_former;
8188   last_copied_level_nr = level_nr_former;
8189
8190   last_written_leveldir = leveldir_current;
8191   last_written_level_nr = level_nr = new_level_nr;
8192
8193   return TRUE;
8194 }
8195
8196 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8197 {
8198   static char *filename_levelinfo = NULL, *mod_name = NULL;
8199   FILE *file;
8200
8201   // annotate this copy-and-mod in personal levelinfo.conf
8202   setString(&filename_levelinfo,
8203             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8204
8205   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8206   {
8207     fprintf(file, "\n");
8208     fprintf(file, "# level %d was modified from:\n", level_nr);
8209     fprintf(file, "# - previous level set name:    %s\n",
8210             former_name);
8211     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8212             level.file_info.nr, level.name);
8213     fprintf(file, "# - previous author:            %s\n",
8214             level.author);
8215     fprintf(file, "# - previous save date:         ");
8216
8217     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8218     {
8219       fprintf(file, "%04d-%02d-%02d\n",
8220               level.creation_date.year,
8221               level.creation_date.month,
8222               level.creation_date.day);
8223     }
8224     else
8225     {
8226       fprintf(file, "not recorded\n");
8227     }
8228
8229     fclose(file);
8230   }
8231
8232   if (level_nr > leveldir_current->last_level)
8233     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8234
8235   // else: allow the save even if annotation failed
8236
8237   // now... spray graffiti on the old level vital statistics
8238   // user can change these; just trying to set a good baseline
8239
8240   // don't truncate names for fear of making offensive or silly:
8241   // long-named original author only recorded in levelinfo.conf.
8242   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8243   if (!strEqual(level.author, leveldir_current->author))
8244   {
8245     setString(&mod_name, getStringCat3(leveldir_current->author,
8246                                        " after ", level.author));
8247
8248     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8249       setString(&mod_name,
8250                 getStringCat2(leveldir_current->author, " (ed.)"));
8251
8252     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8253       setString(&mod_name, leveldir_current->author);
8254
8255     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8256
8257     // less worried about truncation here
8258     setString(&mod_name, getStringCat2("Mod: ", level.name));
8259     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8260   }
8261 }
8262
8263 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8264                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8265 {
8266   int x, y;
8267
8268   for (x = 0; x < lev_fieldx; x++)
8269     for (y = 0; y < lev_fieldy; y++)
8270       dst[x][y] = src[x][y];
8271 }
8272
8273 static int setSelectboxValue(int selectbox_id, int new_value)
8274 {
8275   int new_index_value = 0;
8276   int i;
8277
8278   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8279     if (selectbox_info[selectbox_id].options[i].value == new_value)
8280       new_index_value = i;
8281
8282   *selectbox_info[selectbox_id].value =
8283     selectbox_info[selectbox_id].options[new_index_value].value;
8284
8285   return new_index_value;
8286 }
8287
8288 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8289 {
8290   int i;
8291
8292   // change action mode and arg variables according to action type variable
8293   for (i = 0; action_arg_options[i].value != -1; i++)
8294   {
8295     if (action_arg_options[i].value == custom_element_change.action_type)
8296     {
8297       int mode = action_arg_options[i].mode;
8298
8299       // only change if corresponding selectbox has changed
8300       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8301           action_arg_modes[mode])
8302         custom_element_change.action_mode = -1;
8303
8304       // only change if corresponding selectbox has changed
8305       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8306           action_arg_options[i].options)
8307         custom_element_change.action_arg = -1;
8308
8309       break;
8310     }
8311   }
8312 }
8313
8314 static void setSelectboxSpecialActionOptions(void)
8315 {
8316   int i;
8317
8318   // change action mode and arg selectbox according to action type selectbox
8319   for (i = 0; action_arg_options[i].value != -1; i++)
8320   {
8321     if (action_arg_options[i].value == custom_element_change.action_type)
8322     {
8323       int mode = action_arg_options[i].mode;
8324
8325       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8326                                    action_arg_modes[mode]);
8327       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8328                                  custom_element_change.action_mode);
8329
8330       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8331                                    action_arg_options[i].options);
8332       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8333                                  custom_element_change.action_arg);
8334       break;
8335     }
8336   }
8337 }
8338
8339 static void copy_custom_element_settings(int element_from, int element_to)
8340 {
8341   struct ElementInfo *ei_from = &element_info[element_from];
8342   struct ElementInfo *ei_to = &element_info[element_to];
8343
8344   copyElementInfo(ei_from, ei_to);
8345 }
8346
8347 static void replace_custom_element_in_settings(int element_from,
8348                                                int element_to)
8349 {
8350   int i, j, x, y;
8351
8352   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8353   {
8354     struct ElementInfo *ei = &element_info[i];
8355
8356     for (y = 0; y < 3; y++)
8357       for (x = 0; x < 3; x++)
8358         if (ei->content.e[x][y] == element_from)
8359           ei->content.e[x][y] = element_to;
8360
8361     for (j = 0; j < ei->num_change_pages; j++)
8362     {
8363       struct ElementChangeInfo *change = &ei->change_page[j];
8364
8365       if (change->target_element == element_from)
8366         change->target_element = element_to;
8367
8368       if (change->initial_trigger_element == element_from)
8369         change->initial_trigger_element = element_to;
8370
8371       if (change->action_element == element_from)
8372         change->action_element = element_to;
8373
8374       for (y = 0; y < 3; y++)
8375         for (x = 0; x < 3; x++)
8376           if (change->target_content.e[x][y] == element_from)
8377             change->target_content.e[x][y] = element_to;
8378     }
8379
8380     if (ei->group != NULL)                              // group or internal
8381       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8382         if (ei->group->element[j] == element_from)
8383           ei->group->element[j] = element_to;
8384   }
8385 }
8386
8387 static void replace_custom_element_in_playfield(int element_from,
8388                                                 int element_to)
8389 {
8390   int x, y;
8391
8392   for (x = 0; x < lev_fieldx; x++)
8393     for (y = 0; y < lev_fieldy; y++)
8394       if (Tile[x][y] == element_from)
8395         Tile[x][y] = element_to;
8396 }
8397
8398 static boolean CopyCustomElement(int element_old, int element_new,
8399                                  int copy_mode)
8400 {
8401   int copy_mode_orig = copy_mode;
8402
8403   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8404   {
8405     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8406                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8407     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8408   }
8409   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8410   {
8411     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8412                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8413     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8414
8415     level.changed = TRUE;
8416   }
8417   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8418   {
8419     Request("Please choose custom element!", REQ_CONFIRM);
8420
8421     return FALSE;
8422   }
8423   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8424   {
8425     Request("Please choose group element!", REQ_CONFIRM);
8426
8427     return FALSE;
8428   }
8429   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8430   {
8431     Request("Please choose empty element!", REQ_CONFIRM);
8432
8433     return FALSE;
8434   }
8435   else
8436   {
8437     level.changed = TRUE;
8438   }
8439
8440   // when modifying custom/group element, ask for copying level template
8441   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8442   {
8443     if (!AskToCopyAndModifyLevelTemplate())
8444       return FALSE;
8445   }
8446
8447   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8448   {
8449     copy_custom_element_settings(element_new, element_old);
8450   }
8451   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8452   {
8453     copy_custom_element_settings(element_old, element_new);
8454   }
8455   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8456   {
8457     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8458     copy_custom_element_settings(element_new, element_old);
8459     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8460
8461     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8462     replace_custom_element_in_settings(element_new, element_old);
8463     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8464
8465     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8466     replace_custom_element_in_playfield(element_new, element_old);
8467     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8468   }
8469
8470   UpdateCustomElementGraphicGadgets();
8471   DrawPropertiesWindow();
8472
8473   return TRUE;
8474 }
8475
8476 static void CopyCustomElementPropertiesToEditor(int element)
8477 {
8478   int i;
8479   int current_change_page = element_info[element].current_change_page;
8480
8481   // dynamically (re)build selectbox for selecting change page
8482   for (i = 0; i < element_info[element].num_change_pages; i++)
8483   {
8484     sprintf(options_change_page_strings[i], "%d", i + 1);
8485
8486     options_change_page[i].value = i;
8487     options_change_page[i].text = options_change_page_strings[i];
8488   }
8489
8490   options_change_page[i].value = -1;
8491   options_change_page[i].text = NULL;
8492
8493   // needed here to initialize combined element properties
8494   InitElementPropertiesEngine(level.game_version);
8495
8496   element_info[element].change =
8497     &element_info[element].change_page[current_change_page];
8498
8499   custom_element = element_info[element];
8500   custom_element_change = *element_info[element].change;
8501
8502   // needed to initially set selectbox options for special action options
8503   setSelectboxSpecialActionOptions();
8504
8505   // needed to initially set selectbox value variables to reliable defaults
8506   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8507     setSelectboxValue(i, *selectbox_info[i].value);
8508
8509   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8510     custom_element_properties[i] = HAS_PROPERTY(element, i);
8511
8512   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8513     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8514
8515   // ---------- element settings: configure (custom elements) -----------------
8516
8517   // set accessible layer selectbox help value
8518   custom_element.access_type =
8519     (IS_WALKABLE(element) ? EP_WALKABLE :
8520      IS_PASSABLE(element) ? EP_PASSABLE :
8521      custom_element.access_type);
8522   custom_element.access_layer =
8523     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8524      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8525      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8526      custom_element.access_layer);
8527   custom_element.access_protected =
8528     (IS_PROTECTED(element) ? 1 : 0);
8529   custom_element_properties[EP_ACCESSIBLE] =
8530     (IS_ACCESSIBLE_OVER(element) ||
8531      IS_ACCESSIBLE_INSIDE(element) ||
8532      IS_ACCESSIBLE_UNDER(element));
8533
8534   // set walk-to-object action selectbox help value
8535   custom_element.walk_to_action =
8536     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8537      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8538      IS_DROPPABLE(element) ? EP_DROPPABLE :
8539      IS_THROWABLE(element) ? EP_THROWABLE :
8540      IS_PUSHABLE(element) ? EP_PUSHABLE :
8541      custom_element.walk_to_action);
8542   custom_element_properties[EP_WALK_TO_OBJECT] =
8543     (IS_DIGGABLE(element) ||
8544      IS_COLLECTIBLE_ONLY(element) ||
8545      IS_DROPPABLE(element) ||
8546      IS_THROWABLE(element) ||
8547      IS_PUSHABLE(element));
8548
8549   // set smash targets selectbox help value
8550   custom_element.smash_targets =
8551     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8552      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8553      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8554      custom_element.smash_targets);
8555   custom_element_properties[EP_CAN_SMASH] =
8556     (CAN_SMASH_EVERYTHING(element) ||
8557      CAN_SMASH_ENEMIES(element) ||
8558      CAN_SMASH_PLAYER(element));
8559
8560   // set deadliness selectbox help value
8561   custom_element.deadliness =
8562     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8563      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8564      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8565      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8566      custom_element.deadliness);
8567   custom_element_properties[EP_DEADLY] =
8568     (DONT_TOUCH(element) ||
8569      DONT_GET_HIT_BY(element) ||
8570      DONT_COLLIDE_WITH(element) ||
8571      DONT_RUN_INTO(element));
8572
8573   // ---------- element settings: advanced (custom elements) ------------------
8574
8575   // set "change by direct action" selectbox help value
8576   custom_element_change.direct_action =
8577     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8578      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8579      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8580      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8581      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8582      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8583      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8584      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8585      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8586      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8587      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8588      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8589      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8590      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8591      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8592      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8593      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8594      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8595      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8596      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8597      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8598      custom_element_change.direct_action);
8599
8600   // set "change by other element action" selectbox help value
8601   custom_element_change.other_action =
8602     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8603      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8604      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8605      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8606      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8607      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8608      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8609      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8610      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8611      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8612      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8613      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8614      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8615      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8616      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8617      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8618      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8619      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8620      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8621      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8622      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8623      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8624      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8625      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8626      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8627      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8628      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8629      custom_element_change.other_action);
8630 }
8631
8632 static void CopyGroupElementPropertiesToEditor(int element)
8633 {
8634   group_element_info = *element_info[element].group;
8635   custom_element = element_info[element];       // needed for description
8636 }
8637
8638 static void CopyEmptyElementPropertiesToEditor(int element)
8639 {
8640   custom_element = element_info[element];
8641 }
8642
8643 static void CopyClassicElementPropertiesToEditor(int element)
8644 {
8645   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8646     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8647       getMoveIntoAcidProperty(&level, element);
8648
8649   if (MAYBE_DONT_COLLIDE_WITH(element))
8650     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8651       getDontCollideWithProperty(&level, element);
8652 }
8653
8654 static void CopyElementPropertiesToEditor(int element)
8655 {
8656   if (IS_CUSTOM_ELEMENT(element))
8657     CopyCustomElementPropertiesToEditor(element);
8658   else if (IS_GROUP_ELEMENT(element))
8659     CopyGroupElementPropertiesToEditor(element);
8660   else if (IS_EMPTY_ELEMENT(element))
8661     CopyEmptyElementPropertiesToEditor(element);
8662   else
8663     CopyClassicElementPropertiesToEditor(element);
8664 }
8665
8666 static boolean AskToCopyAndModifyLevelTemplate(void)
8667 {
8668   if (Request("Copy and modify settings from level template?", REQ_ASK))
8669   {
8670     level.use_custom_template = FALSE;
8671
8672     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8673                  GDI_CHECKED, FALSE, GDI_END);
8674     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8675                  GDI_CHECKED, FALSE, GDI_END);
8676
8677     return TRUE;
8678   }
8679   else
8680   {
8681     LoadLevelTemplate(-1);      // this resets all element modifications ...
8682
8683     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8684
8685     return FALSE;
8686   }
8687 }
8688
8689 static void CopyCustomElementPropertiesToGame(int element)
8690 {
8691   int i;
8692   int access_type_and_layer;
8693
8694   // mark that this custom element has been modified
8695   custom_element.modified_settings = TRUE;
8696   level.changed = TRUE;
8697
8698   if (level.use_custom_template)
8699     AskToCopyAndModifyLevelTemplate();
8700
8701   element_info[element] = custom_element;
8702   *element_info[element].change = custom_element_change;
8703
8704   // ---------- element settings: configure (custom elements) -----------------
8705
8706   // set accessible property from checkbox and selectbox
8707   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8708   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8709   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8710   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8711   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8712   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8713   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8714                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8715                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8716   custom_element_properties[access_type_and_layer] =
8717     custom_element_properties[EP_ACCESSIBLE];
8718   custom_element_properties[EP_PROTECTED] =
8719     (custom_element.access_protected != 0 &&
8720      custom_element_properties[EP_ACCESSIBLE]);
8721
8722   // set walk-to-object property from checkbox and selectbox
8723   custom_element_properties[EP_DIGGABLE] = FALSE;
8724   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8725   custom_element_properties[EP_DROPPABLE] = FALSE;
8726   custom_element_properties[EP_THROWABLE] = FALSE;
8727   custom_element_properties[EP_PUSHABLE] = FALSE;
8728   custom_element_properties[custom_element.walk_to_action] =
8729     custom_element_properties[EP_WALK_TO_OBJECT];
8730
8731   // set smash property from checkbox and selectbox
8732   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8733   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8734   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8735   custom_element_properties[custom_element.smash_targets] =
8736     custom_element_properties[EP_CAN_SMASH];
8737
8738   // set deadliness property from checkbox and selectbox
8739   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8740   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8741   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8742   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8743   custom_element_properties[custom_element.deadliness] =
8744     custom_element_properties[EP_DEADLY];
8745
8746   // ---------- element settings: advanced (custom elements) ------------------
8747
8748   // set player change event from checkbox and selectbox
8749   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8750   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8751   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8752   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8753   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8754   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8755   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8756   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8757   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8758   custom_element_change_events[CE_SWITCHED] = FALSE;
8759   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8760   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8761   custom_element_change_events[CE_BLOCKED] = FALSE;
8762   custom_element_change_events[CE_IMPACT] = FALSE;
8763   custom_element_change_events[CE_SMASHED] = FALSE;
8764   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8765   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8766   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8767   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8768   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8769   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8770   custom_element_change_events[custom_element_change.direct_action] =
8771     custom_element_change_events[CE_BY_DIRECT_ACTION];
8772
8773   // set other element action change event from checkbox and selectbox
8774   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8775   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8776   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8777   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8778   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8779   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8780   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8781   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8782   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8783   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8784   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8785   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8786   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8787   custom_element_change_events[CE_HITTING_X] = FALSE;
8788   custom_element_change_events[CE_DIGGING_X] = FALSE;
8789   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8790   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8791   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8792   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8793   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8794   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8795   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8796   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8797   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8798   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8799   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8800   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8801   custom_element_change_events[custom_element_change.other_action] =
8802     custom_element_change_events[CE_BY_OTHER_ACTION];
8803
8804   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8805     SET_PROPERTY(element, i, custom_element_properties[i]);
8806
8807   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8808     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8809
8810   // copy change events also to special level editor variable
8811   custom_element = element_info[element];
8812   custom_element_change = *element_info[element].change;
8813
8814   // needed here to restore runtime value "element_info[element].gfx_element"
8815   InitElementPropertiesGfxElement();
8816 }
8817
8818 static void CopyGroupElementPropertiesToGame(int element)
8819 {
8820   // mark that this group element has been modified
8821   custom_element.modified_settings = TRUE;
8822   level.changed = TRUE;
8823
8824   if (level.use_custom_template)
8825     AskToCopyAndModifyLevelTemplate();
8826
8827   element_info[element] = custom_element;
8828   *element_info[element].group = group_element_info;
8829
8830   // needed here to restore runtime value "element_info[element].gfx_element"
8831   InitElementPropertiesGfxElement();
8832 }
8833
8834 static void CopyEmptyElementPropertiesToGame(int element)
8835 {
8836   // mark that this empty element has been modified
8837   custom_element.modified_settings = TRUE;
8838   level.changed = TRUE;
8839
8840   if (level.use_custom_template)
8841     AskToCopyAndModifyLevelTemplate();
8842
8843   element_info[element] = custom_element;
8844
8845   // needed here to restore runtime value "element_info[element].gfx_element"
8846   InitElementPropertiesGfxElement();
8847 }
8848
8849 static void CopyClassicElementPropertiesToGame(int element)
8850 {
8851   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8852     setMoveIntoAcidProperty(&level, element,
8853                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8854
8855   if (MAYBE_DONT_COLLIDE_WITH(element))
8856     setDontCollideWithProperty(&level, element,
8857                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8858 }
8859
8860 static void CopyElementPropertiesToGame(int element)
8861 {
8862   if (IS_CUSTOM_ELEMENT(element))
8863     CopyCustomElementPropertiesToGame(element);
8864   else if (IS_GROUP_ELEMENT(element))
8865     CopyGroupElementPropertiesToGame(element);
8866   else if (IS_EMPTY_ELEMENT(element))
8867     CopyEmptyElementPropertiesToGame(element);
8868   else
8869     CopyClassicElementPropertiesToGame(element);
8870 }
8871
8872 #if DEBUG
8873 static void CheckElementDescriptions(void)
8874 {
8875   int i;
8876
8877   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8878     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8879       Warn("no element description file for element '%s'", EL_NAME(i));
8880 }
8881 #endif
8882
8883 static int getMaxEdFieldX(boolean has_scrollbar)
8884 {
8885   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8886   int sxsize = SXSIZE - scrollbar_width;
8887   int max_ed_fieldx = sxsize / ed_tilesize;
8888
8889   return max_ed_fieldx;
8890 }
8891
8892 static int getMaxEdFieldY(boolean has_scrollbar)
8893 {
8894   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8895                          INFOTEXT_YSIZE_FULL : 0);
8896   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8897   int sysize = SYSIZE - scrollbar_height - infotext_height;
8898   int max_ed_fieldy = sysize / ed_tilesize;
8899
8900   return max_ed_fieldy;
8901 }
8902
8903 static void InitZoomLevelSettings(int zoom_tilesize)
8904 {
8905   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8906
8907   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8908   {
8909     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8910     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8911
8912     // make sure that tile size is always a power of 2
8913     ed_tilesize = (1 << log_2(ed_tilesize));
8914
8915     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8916     {
8917       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8918       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8919     }
8920   }
8921
8922   last_game_engine_type = level.game_engine_type;
8923
8924   // limit zoom tilesize by upper and lower bound
8925   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8926
8927   // store zoom tilesize in auto setup file only if it was manually changed
8928   if (zoom_tilesize != -1)
8929     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8930
8931   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8932   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8933 }
8934
8935 static void InitDrawingElements(void)
8936 {
8937   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8938
8939   if (level.game_engine_type == game_engine_type_last)
8940     return;
8941
8942   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
8943   {
8944     new_element1 = EL_BD_WALL;
8945     new_element2 = EL_EMPTY;
8946     new_element3 = EL_BD_SAND;
8947   }
8948   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8949   {
8950     new_element1 = EL_SP_CHIP_SINGLE;
8951     new_element2 = EL_EMPTY;
8952     new_element3 = EL_SP_BASE;
8953   }
8954   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8955   {
8956     new_element1 = EL_MM_MIRROR_START;
8957     new_element2 = EL_EMPTY;
8958     new_element3 = EL_MM_WOODEN_WALL;
8959   }
8960   else
8961   {
8962     new_element1 = EL_WALL;
8963     new_element2 = EL_EMPTY;
8964     new_element3 = EL_SAND;
8965   }
8966
8967   game_engine_type_last = level.game_engine_type;
8968 }
8969
8970 static void InitLevelSetInfo(void)
8971 {
8972   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8973            "%s", leveldir_current->name);
8974   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8975            "%s", leveldir_current->author);
8976
8977   levelset_num_levels = leveldir_current->levels;
8978
8979   levelset_use_levelset_artwork = FALSE;
8980   levelset_copy_level_template = FALSE;
8981
8982   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8983 }
8984
8985 static void ChangeEditorToLevelSet(char *levelset_subdir)
8986 {
8987   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8988
8989   // the previous level set might have used custom artwork
8990   ReloadCustomArtwork(0);
8991
8992   LoadLevelSetup_SeriesInfo();
8993
8994   SaveLevelSetup_LastSeries();
8995   SaveLevelSetup_SeriesInfo();
8996
8997   TapeErase();
8998
8999   LoadLevel(level_nr);
9000   LoadScore(level_nr);
9001
9002   DrawLevelEd();
9003 }
9004
9005 static boolean useEditorDoorAnimation(void)
9006 {
9007   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9008   boolean door_1_viewport_unchanged =
9009     (vp_door_1->x      == DX     &&
9010      vp_door_1->y      == DY     &&
9011      vp_door_1->width  == DXSIZE &&
9012      vp_door_1->height == DYSIZE);
9013   boolean door_1_contains_toolbox =
9014     (EX >= DX &&
9015      EY >= DY &&
9016      EX + EXSIZE <= DX + DXSIZE &&
9017      EY + EYSIZE <= DY + DYSIZE);
9018
9019   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9020 }
9021
9022 static void DrawEditorDoorBackground(int graphic, int x, int y,
9023                                      int width, int height)
9024 {
9025   struct GraphicInfo *g = &graphic_info[graphic];
9026
9027   if (g->bitmap != NULL)
9028     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9029                MIN(width, g->width), MIN(height, g->height), x, y);
9030   else
9031     ClearRectangle(drawto, x, y, width, height);
9032 }
9033
9034 static void DrawEditorDoorContent(void)
9035 {
9036   // needed for gadgets drawn on background (like palette scrollbar)
9037   SetDoorBackgroundImage(IMG_UNDEFINED);
9038
9039   // copy default editor door content to main double buffer
9040   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9041
9042   // draw bigger door
9043   DrawSpecialEditorDoor();
9044
9045   // draw new control window
9046   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9047
9048   // draw all toolbox gadgets to editor doors
9049   MapControlButtons();
9050
9051   // when returning from test game to properties page, redraw toolbox gadgets
9052   if (edit_mode == ED_MODE_PROPERTIES)
9053   {
9054     UnmapLevelEditorToolboxDrawingGadgets();
9055     UnmapLevelEditorToolboxCustomGadgets();
9056
9057     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9058   }
9059
9060   // draw all palette gadgets to editor doors
9061   ModifyEditorElementList();
9062   RedrawDrawingElements();
9063
9064   // copy actual editor door content to door double buffer for OpenDoor()
9065   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9066 }
9067
9068 void DrawLevelEd(void)
9069 {
9070   int fade_mask = REDRAW_FIELD;
9071
9072   FadeSoundsAndMusic();
9073
9074   if (CheckFadeAll())
9075     fade_mask = REDRAW_ALL;
9076
9077   FadeOut(fade_mask);
9078
9079   // needed if different viewport properties defined for editor
9080   ChangeViewportPropertiesIfNeeded();
9081
9082   ClearField();
9083
9084   InitZoomLevelSettings(-1);
9085   InitDrawingElements();
9086   InitLevelSetInfo();
9087
9088 #if DEBUG
9089   CheckElementDescriptions();
9090 #endif
9091
9092   if (level_editor_test_game)
9093   {
9094     CopyPlayfield(level.field, Tile);
9095     CopyPlayfield(TileBackup, level.field);
9096
9097     level_editor_test_game = FALSE;
9098   }
9099   else
9100   {
9101     edit_mode = ED_MODE_DRAWING;
9102     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9103     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9104
9105     ResetUndoBuffer();
9106
9107     level_xpos = -1;
9108     level_ypos = -1;
9109   }
9110
9111   // redraw_mask |= REDRAW_ALL;
9112
9113   FreeLevelEditorGadgets();
9114   CreateLevelEditorGadgets();
9115
9116   ReinitializeElementList();            // update dynamic level element list
9117   ReinitializeElementListButtons();     // custom element may look different
9118
9119   InitElementPropertiesGfxElement();
9120
9121   UnmapAllGadgets();
9122
9123   DrawEditModeWindow_PlayfieldOnly();
9124
9125   DrawMaskedBorder(fade_mask);
9126
9127   // use door animation if door 1 viewport is unchanged and contains toolbox
9128   if (useEditorDoorAnimation())
9129   {
9130     FadeIn(fade_mask);
9131
9132     DrawEditorDoorContent();
9133
9134     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9135   }
9136   else
9137   {
9138     DrawEditorDoorContent();
9139
9140     FadeIn(fade_mask);
9141   }
9142
9143   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9144 }
9145
9146 static void AdjustDrawingAreaGadgets(void)
9147 {
9148   int ed_xsize = lev_fieldx + 2;
9149   int ed_ysize = lev_fieldy + 2;
9150   int max_ed_fieldx = MAX_ED_FIELDX;
9151   int max_ed_fieldy = MAX_ED_FIELDY;
9152   boolean horizontal_scrollbar_needed;
9153   boolean vertical_scrollbar_needed;
9154   int x, y, width, height;
9155
9156   if (suppressBorderElement())
9157   {
9158     ed_xsize = lev_fieldx;
9159     ed_ysize = lev_fieldy;
9160   }
9161
9162   // check if we need any scrollbars
9163   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9164   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9165
9166   // check if we have a smaller editor field because of scrollbars
9167   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9168   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9169
9170   // check again if we now need more scrollbars because of less space
9171   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9172   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9173
9174   // check if editor field gets even smaller after adding new scrollbars
9175   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9176   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9177
9178   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9179   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9180
9181   x = SX + ed_fieldx * ed_tilesize;
9182   y = SY + ed_fieldy * ed_tilesize;
9183
9184   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9185   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9186
9187   // adjust drawing area gadget
9188   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9189                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9190                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9191                GDI_END);
9192
9193   // adjust horizontal scrollbar gadgets
9194   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9195                GDI_Y, y,
9196                GDI_END);
9197   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9198                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9199                GDI_Y, y,
9200                GDI_END);
9201   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9202                GDI_Y, y,
9203                GDI_WIDTH, width,
9204                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9205                GDI_END);
9206
9207   // adjust vertical scrollbar gadgets
9208   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9209                GDI_X, x,
9210                GDI_END);
9211   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9212                GDI_X, x,
9213                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9214                GDI_END);
9215   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9216                GDI_X, x,
9217                GDI_HEIGHT, height,
9218                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9219                GDI_END);
9220 }
9221
9222 static void AdjustLevelScrollPosition(void)
9223 {
9224   if (level_xpos < -1)
9225     level_xpos = -1;
9226   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9227     level_xpos = lev_fieldx - ed_fieldx + 1;
9228   if (lev_fieldx < ed_fieldx - 2)
9229     level_xpos = -1;
9230
9231   if (level_ypos < -1)
9232     level_ypos = -1;
9233   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9234     level_ypos = lev_fieldy - ed_fieldy + 1;
9235   if (lev_fieldy < ed_fieldy - 2)
9236     level_ypos = -1;
9237
9238   if (suppressBorderElement())
9239   {
9240     level_xpos = 0;
9241     level_ypos = 0;
9242   }
9243 }
9244
9245 static void AdjustEditorScrollbar(int id)
9246 {
9247   struct GadgetInfo *gi = level_editor_gadget[id];
9248   int items_max, items_visible, item_position;
9249
9250   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9251   {
9252     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9253     items_visible = ed_fieldx;
9254     item_position = level_xpos + 1;
9255   }
9256   else
9257   {
9258     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9259     items_visible = ed_fieldy;
9260     item_position = level_ypos + 1;
9261   }
9262
9263   if (item_position > items_max - items_visible)
9264     item_position = items_max - items_visible;
9265
9266   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9267                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9268 }
9269
9270 static void AdjustElementListScrollbar(void)
9271 {
9272   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9273   int items_max, items_visible, item_position;
9274
9275   // correct position of element list scrollbar
9276   if (element_shift < 0)
9277     element_shift = 0;
9278   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9279     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9280
9281   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9282   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9283   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9284
9285   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9286                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9287                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9288 }
9289
9290 static void ModifyEditorCounterValue(int counter_id, int new_value)
9291 {
9292   int *counter_value = counterbutton_info[counter_id].value;
9293   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9294   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9295
9296   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9297
9298   if (counter_value != NULL)
9299     *counter_value = gi->textinput.number_value;
9300 }
9301
9302 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9303 {
9304   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9305   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9306
9307   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9308
9309   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9310       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9311   {
9312     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9313     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9314
9315     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9316     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9317                  GDI_END);
9318   }
9319 }
9320
9321 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9322 {
9323   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9324   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9325   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9326
9327   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9328 }
9329
9330 static void ModifyEditorSelectboxOptions(int selectbox_id,
9331                                          struct ValueTextInfo *options)
9332 {
9333   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9334   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9335
9336   selectbox_info[selectbox_id].options = options;
9337
9338   // set index to zero -- list may be shorter now (correct later, if needed)
9339   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9340                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9341 }
9342
9343 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9344 {
9345   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9346   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9347
9348   drawingarea_info[drawingarea_id].area_xsize = xsize;
9349   drawingarea_info[drawingarea_id].area_ysize = ysize;
9350
9351   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9352 }
9353
9354 static void ModifyEditorElementList(void)
9355 {
9356   int i;
9357
9358   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9359     return;
9360
9361   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9362   {
9363     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9364     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9365     struct GadgetDesign *gd = &gi->deco.design;
9366     int element = editor_elements[element_shift + i];
9367     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9368
9369     UnmapGadget(gi);
9370
9371     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9372
9373     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9374
9375     MapGadget(gi);
9376   }
9377 }
9378
9379 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9380 {
9381   int graphic = el2edimg(element);
9382   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9383
9384   if (pos->x == -1 &&
9385       pos->y == -1)
9386     return;
9387
9388   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9389 }
9390
9391 static void ModifyDrawingElementButton(int element, int id)
9392 {
9393   struct GadgetInfo *gi = level_editor_gadget[id];
9394   Bitmap *deco_bitmap;
9395   int deco_x, deco_y;
9396   int tile_size = gi->deco.width;
9397
9398   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9399
9400   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9401 }
9402
9403 static void PickDrawingElement(int button, int element)
9404 {
9405   struct
9406   {
9407     int *new_element;
9408     struct XYTileSize *pos;
9409     int id;
9410   } de, drawing_elements[] =
9411   {
9412     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9413     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9414     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9415   };
9416
9417   if (button < 1 || button > 3)
9418     return;
9419
9420   if (IS_MM_WALL(element))
9421     element = map_mm_wall_element(element);
9422
9423   de = drawing_elements[button - 1];
9424
9425   *de.new_element = element;    // update global drawing element variable
9426
9427   DrawDrawingElementGraphic(element, de.pos);
9428   ModifyDrawingElementButton(element, de.id);
9429
9430   redraw_mask |= REDRAW_DOOR_1;
9431 }
9432
9433 static void RedrawDrawingElements(void)
9434 {
9435   PickDrawingElement(1, new_element1);
9436   PickDrawingElement(2, new_element2);
9437   PickDrawingElement(3, new_element3);
9438 }
9439
9440 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9441 {
9442   stick_element_properties_window = FALSE;
9443
9444   SetMainBackgroundImage(IMG_UNDEFINED);
9445   ClearField();
9446
9447   UnmapLevelEditorFieldGadgets();
9448
9449   AdjustDrawingAreaGadgets();
9450   AdjustLevelScrollPosition();
9451   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9452   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9453
9454   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9455
9456   MapMainDrawingArea();
9457
9458   if (remap_toolbox_gadgets)
9459   {
9460     UnmapLevelEditorToolboxCustomGadgets();
9461     MapLevelEditorToolboxDrawingGadgets();
9462   }
9463 }
9464
9465 static void DrawDrawingWindow(void)
9466 {
9467   DrawDrawingWindowExt(TRUE);
9468 }
9469
9470 static int getTabulatorBarWidth(void)
9471 {
9472   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9473   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9474
9475   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9476 }
9477
9478 static int getTabulatorBarHeight(void)
9479 {
9480   return ED_TAB_BAR_HEIGHT;
9481 }
9482
9483 static Pixel getTabulatorBarColor(void)
9484 {
9485   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9486   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9487   int gd_x = gd->x + gd_gi1->border.width / 2;
9488   int gd_y = gd->y + gd_gi1->height - 1;
9489
9490   return GetPixel(gd->bitmap, gd_x, gd_y);
9491 }
9492
9493 static void DrawLevelConfigTabulatorGadgets(void)
9494 {
9495   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9496   Pixel tab_color = getTabulatorBarColor();
9497   int id_first = ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST;
9498   int id_last  = ED_TAB_BUTTON_ID_LEVELCONFIG_LAST;
9499   int i;
9500
9501   for (i = id_first; i <= id_last; i++)
9502   {
9503     int gadget_id = textbutton_info[i].gadget_id;
9504     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9505     boolean active = (i != edit_mode_levelconfig);
9506
9507     // draw background line below tabulator button
9508     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9509
9510     // draw solid line below inactive tabulator buttons
9511     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9512       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9513                     ED_GADGET_TINY_DISTANCE, tab_color);
9514
9515     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9516     MapTextbuttonGadget(i);
9517   }
9518
9519   // draw little border line below tabulator buttons
9520   if (tab_color != BLACK_PIXEL)                 // black => transparent
9521     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9522                   ED_GADGET_TINY_DISTANCE,
9523                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9524 }
9525
9526 static void DrawPropertiesTabulatorGadgets(void)
9527 {
9528   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9529   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9530   int gd_x = gd->x + gd_gi1->border.width / 2;
9531   int gd_y = gd->y + gd_gi1->height - 1;
9532   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9533   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9534   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9535   int i;
9536
9537   // draw two config tabulators for player elements
9538   if (IS_PLAYER_ELEMENT(properties_element))
9539     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9540
9541   // draw two config and one "change" tabulator for custom elements
9542   if (IS_CUSTOM_ELEMENT(properties_element))
9543     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9544
9545   for (i = id_first; i <= id_last; i++)
9546   {
9547     int gadget_id = textbutton_info[i].gadget_id;
9548     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9549     boolean active = (i != edit_mode_properties);
9550
9551     // use "config 1" and "config 2" instead of "config" for players and CEs
9552     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9553         (IS_PLAYER_ELEMENT(properties_element) ||
9554          IS_CUSTOM_ELEMENT(properties_element)))
9555       continue;
9556
9557     // draw background line below tabulator button
9558     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9559
9560     // draw solid line below inactive tabulator buttons
9561     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9562       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9563                     ED_GADGET_TINY_DISTANCE, tab_color);
9564
9565     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9566     MapTextbuttonGadget(i);
9567   }
9568
9569   // draw little border line below tabulator buttons
9570   if (tab_color != BLACK_PIXEL)                 // black => transparent
9571     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9572                   ED_GADGET_TINY_DISTANCE,
9573                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9574 }
9575
9576 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9577 {
9578   DrawText(SX + xpos, SY + ypos, text, font_nr);
9579 }
9580
9581 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9582                                            int xpos, int ypos)
9583 {
9584   int font_width = getFontWidth(font_nr);
9585   int font_height = getFontHeight(font_nr);
9586   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9587   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9588
9589   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9590                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9591                       TRUE, FALSE, FALSE);
9592 }
9593
9594 static void DrawLevelConfigLevel(void)
9595 {
9596   int i;
9597
9598   // draw counter gadgets
9599   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9600     MapCounterButtons(i);
9601
9602   // draw checkbutton gadgets
9603   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9604     MapCheckbuttonGadget(i);
9605
9606   // draw selectbox gadgets
9607   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9608     MapSelectboxGadget(i);
9609
9610   // draw text input gadgets
9611   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9612     MapTextInputGadget(i);
9613 }
9614
9615 static char *getLevelSubdirFromSaveMode(int save_mode)
9616 {
9617   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9618     return getNewUserLevelSubdir();
9619
9620   return leveldir_current->subdir;
9621 }
9622
9623 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
9624 {
9625   char *directory_text = "Level set directory:";
9626   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9627   int font1_nr = FONT_TEXT_1;
9628   int font2_nr = FONT_TEXT_2;
9629   int font1_height = getFontHeight(font1_nr);
9630   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9631   int x = ED_LEVEL_SETTINGS_X(0);
9632   int y = ED_LEVEL_SETTINGS_Y(6);
9633
9634   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9635   PrintInfoText(directory_name, font2_nr, x, y);
9636 }
9637
9638 static void DrawLevelConfigLevelSet(void)
9639 {
9640   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9641   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9642   int i;
9643
9644   // draw counter gadgets
9645   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9646     MapCounterButtons(i);
9647
9648   // draw checkbutton gadgets
9649   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9650   {
9651     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9652         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9653         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9654       continue;
9655
9656     MapCheckbuttonGadget(i);
9657   }
9658
9659   // draw selectbox gadgets
9660   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9661     MapSelectboxGadget(i);
9662
9663   // draw text input gadgets
9664   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9665     MapTextInputGadget(i);
9666
9667   // draw textbutton gadgets
9668   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9669
9670   // draw info text
9671   DrawLevelConfigLevelSet_DirectoryInfo();
9672 }
9673
9674 static void DrawLevelConfigEditor(void)
9675 {
9676   int i;
9677
9678   // draw counter gadgets
9679   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9680     MapCounterButtons(i);
9681
9682   // draw checkbutton gadgets
9683   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9684     MapCheckbuttonGadget(i);
9685
9686   // draw radiobutton gadgets
9687   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9688     MapRadiobuttonGadget(i);
9689
9690   // draw drawing area
9691   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9692
9693   // draw textbutton gadgets
9694   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9695 }
9696
9697 static void DrawLevelConfigWindow(void)
9698 {
9699   char *text = "Global Settings";
9700   int font_nr = FONT_TITLE_1;
9701   struct MenuPosInfo *pos = &editor.settings.headline;
9702   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9703   int sy = SY + pos->y;
9704
9705   stick_element_properties_window = FALSE;
9706
9707   SetAutomaticNumberOfGemsNeeded();
9708
9709   UnmapLevelEditorFieldGadgets();
9710
9711   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9712   ClearField();
9713
9714   DrawText(sx, sy, text, font_nr);
9715
9716   DrawLevelConfigTabulatorGadgets();
9717
9718   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
9719     DrawLevelConfigLevel();
9720   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
9721     DrawLevelConfigLevelSet();
9722   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
9723     DrawLevelConfigEditor();
9724 }
9725
9726 static void DrawCustomContentArea(void)
9727 {
9728   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9729   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9730   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9731   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9732   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9733   int xoffset = ED_GADGET_SPACE_DISTANCE;
9734
9735   // add distance for potential left text (without drawing area border)
9736   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9737
9738   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9739
9740   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9741 }
9742
9743 static void DrawCustomChangeContentArea(void)
9744 {
9745   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9746   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9747   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9748   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9749   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9750   int xoffset = ED_GADGET_SPACE_DISTANCE;
9751
9752   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9753
9754   MapDrawingArea(id);
9755 }
9756
9757 static void RemoveElementContentArea(int id, int font_height)
9758 {
9759   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9760
9761   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9762                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9763                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9764                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9765                  ED_GADGET_TEXT_DISTANCE + font_height);
9766 }
9767
9768 static void DrawYamYamContentAreas(void)
9769 {
9770   int font_nr = FONT_TEXT_1;
9771   int font_height = getFontHeight(font_nr);
9772   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9773   int yoffset = (tilesize - font_height) / 2;
9774   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9775   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9776   int i;
9777
9778   // display counter to choose number of element content areas
9779   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9780
9781   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9782   {
9783     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9784
9785     if (i < level.num_yamyam_contents)
9786     {
9787       MapDrawingArea(id);
9788     }
9789     else
9790     {
9791       UnmapDrawingArea(id);
9792
9793       // delete content areas in case of reducing number of them
9794       RemoveElementContentArea(id, font_height);
9795     }
9796   }
9797
9798   DrawText(x, y + 0 * tilesize, "content", font_nr);
9799   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9800   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9801 }
9802
9803 static void DrawMagicBallContentAreas(void)
9804 {
9805   int font_nr = FONT_TEXT_1;
9806   int font_height = getFontHeight(font_nr);
9807   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9808   int yoffset = (tilesize - font_height) / 2;
9809   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9810   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9811   int i;
9812
9813   // display counter to choose number of element content areas
9814   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9815
9816   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9817   {
9818     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9819
9820     if (i < level.num_ball_contents)
9821     {
9822       MapDrawingArea(id);
9823     }
9824     else
9825     {
9826       UnmapDrawingArea(id);
9827
9828       // delete content areas in case of reducing number of them
9829       RemoveElementContentArea(id, font_height);
9830     }
9831   }
9832
9833   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9834   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9835   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9836 }
9837
9838 static void DrawAndroidElementArea(void)
9839 {
9840   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9841   int num_elements = level.num_android_clone_elements;
9842   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9843   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9844   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9845   int xsize = MAX_ANDROID_ELEMENTS;
9846   int ysize = 1;
9847
9848   // display counter to choose number of element areas
9849   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9850
9851   if (drawingarea_info[id].text_left != NULL)
9852     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9853
9854   UnmapDrawingArea(id);
9855
9856   ModifyEditorDrawingArea(id, num_elements, 1);
9857
9858   // delete content areas in case of reducing number of them
9859   DrawBackground(sx, sy,
9860                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9861                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9862
9863   MapDrawingArea(id);
9864 }
9865
9866 static void DrawGroupElementArea(void)
9867 {
9868   int id = ED_DRAWING_ID_GROUP_CONTENT;
9869   int num_elements = group_element_info.num_elements;
9870   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9871   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9872   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9873   int xsize = MAX_ELEMENTS_IN_GROUP;
9874   int ysize = 1;
9875
9876   if (drawingarea_info[id].text_left != NULL)
9877     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9878
9879   UnmapDrawingArea(id);
9880
9881   ModifyEditorDrawingArea(id, num_elements, 1);
9882
9883   // delete content areas in case of reducing number of them
9884   DrawBackground(sx, sy,
9885                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9886                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9887
9888   MapDrawingArea(id);
9889 }
9890
9891 static void DrawPlayerInitialInventoryArea(int element)
9892 {
9893   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9894   int player_nr = GET_PLAYER_NR(element);
9895   int num_elements = level.initial_inventory_size[player_nr];
9896   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9897   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9898   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9899   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9900   int ysize = 1;
9901
9902   // determine horizontal position to the right of specified gadget
9903   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9904     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9905           ED_DRAWINGAREA_TEXT_DISTANCE);
9906
9907   // determine horizontal offset for leading text
9908   if (drawingarea_info[id].text_left != NULL)
9909     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9910
9911   UnmapDrawingArea(id);
9912
9913   ModifyEditorDrawingArea(id, num_elements, 1);
9914
9915   // delete content areas in case of reducing number of them
9916   DrawBackground(sx, sy,
9917                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9918                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9919
9920   MapDrawingArea(id);
9921 }
9922
9923 static void DrawMMBallContentArea(void)
9924 {
9925   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
9926   int num_elements = level.num_mm_ball_contents;
9927   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9928   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9929   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9930   int xsize = MAX_MM_BALL_CONTENTS;
9931   int ysize = 1;
9932
9933   if (drawingarea_info[id].text_left != NULL)
9934     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9935
9936   UnmapDrawingArea(id);
9937
9938   ModifyEditorDrawingArea(id, num_elements, 1);
9939
9940   // delete content areas in case of reducing number of them
9941   DrawBackground(sx, sy,
9942                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9943                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9944
9945   MapDrawingArea(id);
9946 }
9947
9948 static void DrawEnvelopeTextArea(int envelope_nr)
9949 {
9950   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9951   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9952
9953   UnmapGadget(gi);
9954
9955   DrawBackground(gi->x, gi->y,
9956                  gi->textarea.crop_width, gi->textarea.crop_height);
9957
9958   if (envelope_nr != -1)
9959     textarea_info[id].value = level.envelope[envelope_nr].text;
9960
9961   ModifyGadget(gi, GDI_AREA_SIZE,
9962                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9963                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9964                GDI_END);
9965
9966   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9967 }
9968
9969 static void DrawPropertiesInfo(void)
9970 {
9971   static struct
9972   {
9973     int value;
9974     char *text;
9975   }
9976   properties[] =
9977   {
9978     // configurable properties
9979
9980     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9981     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9982     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9983     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9984     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9985     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9986     { EP_PROTECTED,             "- player is protected by it"           },
9987
9988     { EP_DIGGABLE,              "- can be digged away"                  },
9989     { EP_COLLECTIBLE,           "- can be collected"                    },
9990     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9991     { EP_THROWABLE,             "- can be thrown after collecting"      },
9992     { EP_PUSHABLE,              "- can be pushed"                       },
9993
9994     { EP_CAN_FALL,              "- can fall"                            },
9995     { EP_CAN_MOVE,              "- can move"                            },
9996
9997     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9998 #if 0
9999     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10000 #endif
10001     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10002
10003     { EP_SLIPPERY,              "- slippery for falling elements"       },
10004     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10005
10006     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10007     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10008     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10009     { EP_DONT_TOUCH,            "- deadly when touching"                },
10010
10011     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10012
10013     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10014     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10015     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10016
10017     { EP_CAN_CHANGE,            "- can change to other element"         },
10018
10019     // pre-defined properties
10020     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10021     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10022     { EP_SWITCHABLE,            "- can be switched"                     },
10023 #if 0
10024     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10025 #endif
10026
10027     { -1,                       NULL                                    }
10028   };
10029   char *filename = getElementDescriptionFilename(properties_element);
10030   char *num_elements_text = "In this level: ";
10031   char *num_similar_text = "Similar tiles: ";
10032   char *properties_text = "Standard properties: ";
10033   char *description_text = "Description:";
10034   char *no_description_text = "No description available.";
10035   char *none_text = "None";
10036   float percentage;
10037   int num_elements_in_level = 0;
10038   int num_similar_in_level = 0;
10039   int num_hires_tiles_in_level = 0;
10040   int num_standard_properties = 0;
10041   int font1_nr = FONT_TEXT_1;
10042   int font2_nr = FONT_TEXT_2;
10043   int font1_width = getFontWidth(font1_nr);
10044   int font1_height = getFontHeight(font1_nr);
10045   int font2_height = getFontHeight(font2_nr);
10046   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10047   int font2_yoffset = (font1_height - font2_height) / 2;
10048   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10049   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10050   int properties_text_len = strlen(properties_text) * font1_width;
10051   int xpos = ED_ELEMENT_SETTINGS_X(0);
10052   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10053   int i, x, y;
10054
10055   if (setup.editor.show_element_token)
10056   {
10057     int font3_nr = FONT_TEXT_3;
10058     int font3_height = getFontHeight(font3_nr);
10059
10060     DrawTextF(xpos, ypos, font3_nr,
10061               "[%s]", element_info[properties_element].token_name);
10062
10063     ypos += 2 * font3_height;
10064   }
10065
10066   // ----- print number of elements / percentage of this element in level
10067
10068   for (y = 0; y < lev_fieldy; y++)
10069   {
10070     for (x = 0; x < lev_fieldx; x++)
10071     {
10072       if (Tile[x][y] == properties_element)
10073       {
10074         num_elements_in_level++;
10075       }
10076       else if (IS_MM_WALL(Tile[x][y]) &&
10077                map_mm_wall_element(Tile[x][y]) == properties_element)
10078       {
10079         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10080       }
10081     }
10082   }
10083
10084   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10085
10086   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10087
10088   if (num_hires_tiles_in_level > 0)
10089     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10090               "%d wall tiles", num_hires_tiles_in_level);
10091   else if (num_elements_in_level > 0)
10092     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10093               "%d (%.2f %%)", num_elements_in_level, percentage);
10094   else
10095     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10096               none_text);
10097
10098   // ----- print number of similar elements / percentage of them in level
10099
10100   for (y = 0; y < lev_fieldy; y++)
10101   {
10102     for (x = 0; x < lev_fieldx; x++)
10103     {
10104       if (strEqual(element_info[Tile[x][y]].class_name,
10105                    element_info[properties_element].class_name))
10106       {
10107         num_similar_in_level++;
10108       }
10109     }
10110   }
10111
10112   if (num_similar_in_level != num_elements_in_level)
10113   {
10114     ypos += 1 * MAX(font1_height, font2_height);
10115
10116     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10117
10118     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10119
10120     if (num_similar_in_level > 0)
10121       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10122                 "%d (%.2f %%)", num_similar_in_level, percentage);
10123     else
10124       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10125                 none_text);
10126   }
10127
10128   ypos += 2 * MAX(font1_height, font2_height);
10129
10130   // ----- print standard properties of this element
10131
10132   DrawTextS(xpos, ypos, font1_nr, properties_text);
10133
10134   ypos += line1_height;
10135
10136   for (i = 0; properties[i].value != -1; i++)
10137   {
10138     if (!HAS_PROPERTY(properties_element, properties[i].value))
10139       continue;
10140
10141     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10142
10143     ypos += font2_height;
10144
10145     num_standard_properties++;
10146   }
10147
10148   if (num_standard_properties == 0)
10149   {
10150     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10151               font2_nr, none_text);
10152
10153     ypos -= (line1_height - font1_height);
10154   }
10155
10156   ypos += MAX(font1_height, font2_height);
10157
10158   // ----- print special description of this element
10159
10160   PrintInfoText(description_text, font1_nr, xpos, ypos);
10161
10162   ypos += line1_height;
10163
10164   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10165     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10166 }
10167
10168 #define TEXT_COLLECTING         "Score for collecting"
10169 #define TEXT_SMASHING           "Score for smashing"
10170 #define TEXT_SLURPING           "Score for slurping robot"
10171 #define TEXT_CRACKING           "Score for cracking"
10172 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10173 #define TEXT_DURATION           "Duration when activated"
10174 #define TEXT_DELAY_ON           "Delay before activating"
10175 #define TEXT_DELAY_OFF          "Delay before deactivating"
10176 #define TEXT_DELAY_CHANGING     "Delay before changing"
10177 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10178 #define TEXT_DELAY_MOVING       "Delay before moving"
10179 #define TEXT_BALL_DELAY         "Element generation delay"
10180 #define TEXT_MOVE_SPEED         "Speed of android moving"
10181 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10182 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10183 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10184 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10185 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10186 #define TEXT_TIME_BONUS         "Extra time to solve level"
10187
10188 static struct
10189 {
10190   int element;
10191   int *value;
10192   char *text;
10193 } elements_with_counter[] =
10194 {
10195   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
10196   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
10197   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
10198   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
10199   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
10200   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
10201   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
10202   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
10203   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
10204   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
10205   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
10206   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
10207   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
10208   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
10209   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
10210   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
10211   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
10212   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
10213   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
10214   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
10215   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10216   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10217   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10218   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10219   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10220   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10221   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10222   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10223   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10224   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10225   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
10226   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10227   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10228   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10229   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10230   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10231   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
10232   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
10233   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
10234   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
10235   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
10236   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
10237   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
10238   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
10239   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
10240   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
10241   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE], TEXT_COLLECTING },
10242   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE], TEXT_COLLECTING },
10243   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE], TEXT_COLLECTING },
10244   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
10245   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
10246   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
10247   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
10248   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
10249   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
10250   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
10251   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
10252   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
10253   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
10254   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
10255   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
10256   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
10257   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
10258   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
10259   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
10260   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
10261   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
10262   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
10263   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
10264   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
10265   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
10266   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
10267   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
10268   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
10269   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10270   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10271   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10272   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10273   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
10274   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
10275   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
10276   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
10277   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
10278
10279   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
10280   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
10281   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
10282   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
10283   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
10284   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
10285   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
10286   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
10287   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
10288   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
10289   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
10290   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
10291   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
10292   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
10293   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
10294   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
10295
10296   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
10297   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
10298   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
10299   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
10300   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
10301   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
10302   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
10303   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
10304   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
10305   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
10306   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
10307   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
10308   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_CHANGING },
10309   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
10310   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
10311
10312   { -1,                 NULL,                           NULL            }
10313 };
10314
10315 static boolean checkPropertiesConfig(int element)
10316 {
10317   int i;
10318
10319   if (IS_GEM(element) ||
10320       IS_CUSTOM_ELEMENT(element) ||
10321       IS_GROUP_ELEMENT(element) ||
10322       IS_EMPTY_ELEMENT(element) ||
10323       IS_BALLOON_ELEMENT(element) ||
10324       IS_ENVELOPE(element) ||
10325       IS_MM_ENVELOPE(element) ||
10326       IS_MM_MCDUFFIN(element) ||
10327       IS_DF_LASER(element) ||
10328       IS_PLAYER_ELEMENT(element) ||
10329       HAS_EDITOR_CONTENT(element) ||
10330       CAN_GROW(element) ||
10331       COULD_MOVE_INTO_ACID(element) ||
10332       MAYBE_DONT_COLLIDE_WITH(element) ||
10333       element == EL_SOKOBAN_OBJECT ||
10334       element == EL_SOKOBAN_FIELD_EMPTY ||
10335       element == EL_SOKOBAN_FIELD_FULL)
10336     return TRUE;
10337   else
10338     for (i = 0; elements_with_counter[i].element != -1; i++)
10339       if (elements_with_counter[i].element == element)
10340         return TRUE;
10341
10342   return FALSE;
10343 }
10344
10345 static void SetAutomaticNumberOfGemsNeeded(void)
10346 {
10347   int x, y;
10348
10349   if (!level.auto_count_gems)
10350     return;
10351
10352   level.gems_needed = 0;
10353
10354   for (x = 0; x < lev_fieldx; x++)
10355   {
10356     for (y = 0; y < lev_fieldy; y++)
10357     {
10358       int element = Tile[x][y];
10359
10360       switch (element)
10361       {
10362         case EL_EMERALD:
10363         case EL_EMERALD_YELLOW:
10364         case EL_EMERALD_RED:
10365         case EL_EMERALD_PURPLE:
10366         case EL_BD_DIAMOND:
10367         case EL_WALL_EMERALD:
10368         case EL_WALL_EMERALD_YELLOW:
10369         case EL_WALL_EMERALD_RED:
10370         case EL_WALL_EMERALD_PURPLE:
10371         case EL_WALL_BD_DIAMOND:
10372         case EL_NUT:
10373         case EL_SP_INFOTRON:
10374         case EL_MM_KETTLE:
10375         case EL_DF_CELL:
10376           level.gems_needed++;
10377           break;
10378
10379         case EL_DIAMOND:
10380         case EL_WALL_DIAMOND:
10381           level.gems_needed += 3;
10382           break;
10383
10384         case EL_PEARL:
10385         case EL_WALL_PEARL:
10386           level.gems_needed += 5;
10387           break;
10388
10389         case EL_CRYSTAL:
10390         case EL_WALL_CRYSTAL:
10391           level.gems_needed += 8;
10392           break;
10393
10394         default:
10395           break;
10396       }
10397     }
10398   }
10399
10400   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10401 }
10402
10403 static void DrawPropertiesConfig(void)
10404 {
10405   boolean draw_footer_line = FALSE;
10406   int max_num_element_counters = 4;
10407   int num_element_counters = 0;
10408   int i;
10409
10410   if (!checkPropertiesConfig(properties_element))
10411   {
10412     int xpos = ED_ELEMENT_SETTINGS_X(0);
10413     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10414
10415     PrintInfoText("No configuration options available.",
10416                   FONT_TEXT_1, xpos, ypos);
10417
10418     return;
10419   }
10420
10421   // check if there are elements where a value can be chosen for
10422   for (i = 0; elements_with_counter[i].element != -1; i++)
10423   {
10424     if (elements_with_counter[i].element == properties_element)
10425     {
10426       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10427
10428       counterbutton_info[counter_id].y =
10429         ED_ELEMENT_SETTINGS_YPOS(
10430                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10431                 (CAN_GROW(properties_element)                ? 1 : 0) +
10432                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10433                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10434                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10435                 num_element_counters);
10436
10437       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10438       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
10439
10440       if (properties_element == EL_GAME_OF_LIFE ||
10441           properties_element == EL_BIOMAZE)
10442       {
10443         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10444         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10445       }
10446       else
10447       {
10448         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10449         counterbutton_info[counter_id].min_value = MIN_SCORE;
10450         counterbutton_info[counter_id].max_value = MAX_SCORE;
10451       }
10452
10453       MapCounterButtons(counter_id);
10454
10455       num_element_counters++;
10456       if (num_element_counters >= max_num_element_counters)
10457         break;
10458     }
10459   }
10460
10461   if (HAS_EDITOR_CONTENT(properties_element))
10462   {
10463     // draw stickybutton gadget
10464     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10465
10466     if (IS_AMOEBOID(properties_element))
10467       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10468     else if (properties_element == EL_YAMYAM ||
10469              properties_element == EL_YAMYAM_LEFT ||
10470              properties_element == EL_YAMYAM_RIGHT ||
10471              properties_element == EL_YAMYAM_UP ||
10472              properties_element == EL_YAMYAM_DOWN)
10473       DrawYamYamContentAreas();
10474     else if (properties_element == EL_EMC_MAGIC_BALL)
10475     {
10476       DrawMagicBallContentAreas();
10477
10478       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10479       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10480     }
10481     else if (properties_element == EL_EMC_ANDROID)
10482       DrawAndroidElementArea();
10483     else if (properties_element == EL_MM_GRAY_BALL)
10484     {
10485       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10486       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10487       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10488       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10489
10490       DrawMMBallContentArea();
10491     }
10492   }
10493
10494   if (IS_PLAYER_ELEMENT(properties_element))
10495   {
10496     int player_nr = GET_PLAYER_NR(properties_element);
10497
10498     // these properties can be set for every player individually
10499
10500     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10501     {
10502       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10503         &level.start_element[player_nr];
10504       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10505         &level.artwork_element[player_nr];
10506       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10507         &level.explosion_element[player_nr];
10508
10509       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10510         &level.use_start_element[player_nr];
10511       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10512         &level.use_artwork_element[player_nr];
10513       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10514         &level.use_explosion_element[player_nr];
10515       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10516         &level.initial_player_gravity[player_nr];
10517
10518       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10519         &level.initial_player_stepsize[player_nr];
10520
10521       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10522       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10523                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10524                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10525       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10526       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10527       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10528       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10529       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10530       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10531       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10532       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10533       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10534       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10535       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10536
10537       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10538       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10539       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10540
10541       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10542     }
10543     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10544     {
10545       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10546         &level.initial_inventory_content[player_nr][0];
10547
10548       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10549         &level.initial_inventory_size[player_nr];
10550
10551       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10552         &level.use_initial_inventory[player_nr];
10553
10554       // draw checkbutton gadgets
10555       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10556       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10557       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10558
10559       // draw counter gadgets
10560       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10561
10562       // draw drawing area gadgets
10563       DrawPlayerInitialInventoryArea(properties_element);
10564     }
10565   }
10566
10567   if (IS_GEM(properties_element))
10568     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10569
10570   if (properties_element == EL_EM_DYNAMITE)
10571     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10572
10573   if (COULD_MOVE_INTO_ACID(properties_element) &&
10574       !IS_PLAYER_ELEMENT(properties_element) &&
10575       (!IS_CUSTOM_ELEMENT(properties_element) ||
10576        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10577   {
10578     // set position for checkbutton for "can move into acid"
10579     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10580       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10581     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10582       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10583                                IS_BALLOON_ELEMENT(properties_element) ||
10584                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10585
10586     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10587   }
10588
10589   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10590     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10591
10592   if (properties_element == EL_SPRING ||
10593       properties_element == EL_SPRING_LEFT ||
10594       properties_element == EL_SPRING_RIGHT)
10595     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10596
10597   if (properties_element == EL_TIME_ORB_FULL)
10598     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10599
10600   if (properties_element == EL_GAME_OF_LIFE ||
10601       properties_element == EL_BIOMAZE)
10602     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10603
10604   if (CAN_GROW(properties_element))
10605   {
10606     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10607       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10608
10609     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10610   }
10611
10612   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10613     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10614
10615   if (properties_element == EL_SOKOBAN_OBJECT)
10616     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10617
10618   if (properties_element == EL_SOKOBAN_OBJECT ||
10619       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10620       properties_element == EL_SOKOBAN_FIELD_FULL)
10621   {
10622     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10623       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10624                                0 : 1);
10625
10626     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10627   }
10628
10629   if (IS_BALLOON_ELEMENT(properties_element))
10630     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10631
10632   if (IS_ENVELOPE(properties_element) ||
10633       IS_MM_ENVELOPE(properties_element))
10634   {
10635     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10636     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10637     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10638     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10639     int envelope_nr = ENVELOPE_NR(properties_element);
10640
10641     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10642     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10643
10644     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10645     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10646
10647     // display counter to choose size of envelope text area
10648     MapCounterButtons(counter1_id);
10649     MapCounterButtons(counter2_id);
10650
10651     // display checkbuttons to choose auto-wrap and alignment properties
10652     MapCheckbuttonGadget(button1_id);
10653     MapCheckbuttonGadget(button2_id);
10654
10655     DrawEnvelopeTextArea(envelope_nr);
10656   }
10657
10658   if (IS_MM_MCDUFFIN(properties_element))
10659   {
10660     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10661     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10662     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10663   }
10664
10665   if (IS_DF_LASER(properties_element))
10666   {
10667     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10668     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10669     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10670   }
10671
10672   if (IS_CUSTOM_ELEMENT(properties_element))
10673   {
10674     // draw stickybutton gadget
10675     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10676
10677     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10678     {
10679       // draw checkbutton gadgets
10680       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10681            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10682         MapCheckbuttonGadget(i);
10683
10684       // draw counter gadgets
10685       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10686            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10687         MapCounterButtons(i);
10688
10689       // draw selectbox gadgets
10690       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10691            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10692         MapSelectboxGadget(i);
10693
10694       // draw textbutton gadgets
10695       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10696
10697       // draw text input gadgets
10698       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10699
10700       // draw drawing area gadgets
10701       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10702
10703       draw_footer_line = TRUE;
10704     }
10705     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10706     {
10707       // draw checkbutton gadgets
10708       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10709            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10710         MapCheckbuttonGadget(i);
10711
10712       // draw counter gadgets
10713       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10714            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10715         MapCounterButtons(i);
10716
10717       // draw selectbox gadgets
10718       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10719            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10720         MapSelectboxGadget(i);
10721
10722       // draw drawing area gadgets
10723       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10724       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10725       DrawCustomContentArea();
10726     }
10727   }
10728   else if (IS_GROUP_ELEMENT(properties_element))
10729   {
10730     // draw stickybutton gadget
10731     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10732
10733     // draw checkbutton gadgets
10734     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10735     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10736
10737     // draw counter gadgets
10738     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10739
10740     // draw selectbox gadgets
10741     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10742
10743     // draw textbutton gadgets
10744     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10745
10746     // draw drawing area gadgets
10747     DrawGroupElementArea();
10748
10749     // draw text input gadgets
10750     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10751
10752     // draw drawing area gadgets
10753     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10754
10755     draw_footer_line = TRUE;
10756   }
10757   else if (IS_EMPTY_ELEMENT(properties_element))
10758   {
10759     // draw stickybutton gadget
10760     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10761
10762     // draw checkbutton gadgets
10763     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10764     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10765
10766     // draw textbutton gadgets
10767     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10768
10769     // draw drawing area gadgets
10770     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10771
10772     draw_footer_line = TRUE;
10773   }
10774
10775   // draw little footer border line above CE/GE use/save template gadgets
10776   if (draw_footer_line)
10777   {
10778     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10779     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10780     int gd_x = gd->x + gd_gi1->border.width / 2;
10781     int gd_y = gd->y + gd_gi1->height - 1;
10782     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10783
10784     if (tab_color != BLACK_PIXEL)               // black => transparent
10785       FillRectangle(drawto,
10786                     SX + ED_ELEMENT_SETTINGS_X(0),
10787                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10788                     ED_TAB_BAR_HEIGHT,
10789                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10790   }
10791 }
10792
10793 static void DrawPropertiesChangeDrawingAreas(void)
10794 {
10795   if (IS_CUSTOM_ELEMENT(properties_element))
10796   {
10797     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10798     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10799     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10800
10801     DrawCustomChangeContentArea();
10802   }
10803
10804   redraw_mask |= REDRAW_FIELD;
10805 }
10806
10807 static void DrawPropertiesChange(void)
10808 {
10809   int i;
10810
10811   // needed to initially set selectbox options for special action options
10812   setSelectboxSpecialActionOptions();
10813
10814   // draw stickybutton gadget
10815   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10816
10817   // draw checkbutton gadgets
10818   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10819        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10820     MapCheckbuttonGadget(i);
10821
10822   // draw counter gadgets
10823   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10824        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10825     MapCounterButtons(i);
10826
10827   // draw selectbox gadgets
10828   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10829        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10830     MapSelectboxGadget(i);
10831
10832   // draw textbutton gadgets
10833   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10834        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10835     MapTextbuttonGadget(i);
10836
10837   // draw graphicbutton gadgets
10838   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10839        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10840     MapGraphicbuttonGadget(i);
10841
10842   // draw drawing area gadgets
10843   DrawPropertiesChangeDrawingAreas();
10844 }
10845
10846 static void DrawEditorElementAnimation(int x, int y)
10847 {
10848   int graphic = el2img(properties_element);
10849   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10850                custom_element.ce_value_fixed_initial :
10851                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10852                custom_element.collect_score_initial : FrameCounter);
10853
10854   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10855 }
10856
10857 static void DrawEditorElementName(int x, int y, int font_nr)
10858 {
10859   char *element_name = getElementInfoText(properties_element);
10860   int font_width = getFontWidth(font_nr);
10861   int font_height = getFontHeight(font_nr);
10862   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10863   int max_chars_per_line = max_text_width / font_width;
10864
10865   if (strlen(element_name) <= max_chars_per_line)
10866     DrawTextS(x, y, font_nr, element_name);
10867   else
10868   {
10869     char buffer[max_chars_per_line + 1];
10870     int next_pos = max_chars_per_line;
10871
10872     strncpy(buffer, element_name, max_chars_per_line);
10873     buffer[max_chars_per_line] = '\0';
10874
10875     if (element_name[max_chars_per_line] == ' ')
10876       next_pos++;
10877     else
10878     {
10879       int i;
10880
10881       for (i = max_chars_per_line - 1; i >= 0; i--)
10882         if (buffer[i] == ' ')
10883           break;
10884
10885       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10886       {
10887         buffer[i] = '\0';
10888         next_pos = i + 1;
10889       }
10890     }
10891
10892     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10893
10894     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10895     buffer[max_chars_per_line] = '\0';
10896
10897     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10898   }
10899 }
10900
10901 static void DrawPropertiesWindow(void)
10902 {
10903   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10904   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10905   int border_size = gd->border_size;
10906   int font_nr = FONT_TEXT_1;
10907   int font_height = getFontHeight(font_nr);
10908   int xoffset = TILEX + element_border + 3 * border_size;
10909   int yoffset = (TILEY - font_height) / 2;
10910   int x1 = editor.settings.element_graphic.x + element_border;
10911   int y1 = editor.settings.element_graphic.y + element_border;
10912   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10913             editor.settings.element_name.x);
10914   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10915             editor.settings.element_name.y);
10916   char *text = "Element Settings";
10917   int font2_nr = FONT_TITLE_1;
10918   struct MenuPosInfo *pos = &editor.settings.headline;
10919   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10920   int sy = SY + pos->y;
10921
10922   stick_element_properties_window = FALSE;
10923
10924   // make sure that previous properties edit mode exists for this element
10925   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10926       !IS_CUSTOM_ELEMENT(properties_element))
10927     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10928
10929   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10930       !IS_PLAYER_ELEMENT(properties_element) &&
10931       !IS_CUSTOM_ELEMENT(properties_element))
10932     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10933
10934   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10935       (IS_PLAYER_ELEMENT(properties_element) ||
10936        IS_CUSTOM_ELEMENT(properties_element)))
10937     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10938
10939   CopyElementPropertiesToEditor(properties_element);
10940
10941   UnmapLevelEditorFieldGadgets();
10942   UnmapLevelEditorToolboxDrawingGadgets();
10943   UnmapLevelEditorToolboxCustomGadgets();
10944
10945   MapLevelEditorToolboxCustomGadgetsIfNeeded();
10946
10947   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10948   ClearField();
10949
10950   DrawText(sx, sy, text, font2_nr);
10951
10952   FrameCounter = 0;     // restart animation frame counter
10953
10954   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10955   DrawEditorElementAnimation(SX + x1, SY + y1);
10956   DrawEditorElementName(x2, y2, font_nr);
10957
10958   DrawPropertiesTabulatorGadgets();
10959
10960   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10961     DrawPropertiesInfo();
10962   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10963     DrawPropertiesChange();
10964   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10965     DrawPropertiesConfig();
10966 }
10967
10968 static void DrawPaletteWindow(void)
10969 {
10970   int i;
10971
10972   UnmapLevelEditorFieldGadgets();
10973
10974   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10975   ClearField();
10976
10977   // map buttons to select elements
10978   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10979     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10980   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10981   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10982   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10983 }
10984
10985 static void UpdateCustomElementGraphicGadgets(void)
10986 {
10987   int i;
10988
10989   InitElementPropertiesGfxElement();
10990
10991   ModifyEditorElementList();
10992   RedrawDrawingElements();
10993
10994   // force redraw of all mapped drawing area gadgets
10995   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10996   {
10997     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10998
10999     if (gi->mapped)
11000       MapDrawingArea(i);
11001   }
11002 }
11003
11004 static int getOpenDirectionFromTube(int element)
11005 {
11006   switch (element)
11007   {
11008     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11009     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11010     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11011     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11012     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11013     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11014     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11015     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11016     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11017     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11018     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11019   }
11020
11021   return MV_NONE;
11022 }
11023
11024 static int getTubeFromOpenDirection(int direction)
11025 {
11026   switch (direction)
11027   {
11028     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11029     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11030     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11031     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11032     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11033     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11034     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11035     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11036     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11037     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11038     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11039
11040     // if only one direction, fall back to simple tube with that direction
11041     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11042     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11043     case (MV_UP):                       return EL_TUBE_VERTICAL;
11044     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11045   }
11046
11047   return EL_EMPTY;
11048 }
11049
11050 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11051 {
11052   int element_new = getTubeFromOpenDirection(direction);
11053
11054   return (element_new != EL_EMPTY ? element_new : element_old);
11055 }
11056
11057 static int getOpenDirectionFromBelt(int element)
11058 {
11059   int belt_dir = getBeltDirFromBeltElement(element);
11060
11061   return (belt_dir == MV_LEFT ? MV_RIGHT :
11062           belt_dir == MV_RIGHT ? MV_LEFT :
11063           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11064 }
11065
11066 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11067 {
11068   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11069                   direction == MV_RIGHT ? MV_LEFT :
11070                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11071
11072   if (direction == MV_NONE)
11073     return EL_EMPTY;
11074
11075   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11076 }
11077
11078 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11079                                                  int element_old)
11080 {
11081   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11082
11083   return (element_new != EL_EMPTY ? element_new : element_old);
11084 }
11085
11086 static int getOpenDirectionFromPool(int element)
11087 {
11088   switch (element)
11089   {
11090     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11091     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11092     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11093     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11094     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11095     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11096   }
11097
11098   return MV_NONE;
11099 }
11100
11101 static int getPoolFromOpenDirection(int direction)
11102 {
11103   switch (direction)
11104   {
11105     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11106     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11107     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11108     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11109     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11110     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11111   }
11112
11113   return EL_EMPTY;
11114 }
11115
11116 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11117 {
11118   int element = getPoolFromOpenDirection(direction);
11119   int help_direction = getOpenDirectionFromPool(help_element);
11120
11121   if (element == EL_EMPTY)
11122   {
11123     int help_direction_vertical = help_direction & MV_VERTICAL;
11124
11125     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11126   }
11127
11128   if (element == EL_EMPTY)
11129   {
11130     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11131
11132     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11133   }
11134
11135   return element;
11136 }
11137
11138 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11139 {
11140   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11141
11142   return (element_new != EL_EMPTY ? element_new : element_old);
11143 }
11144
11145 static int getOpenDirectionFromPillar(int element)
11146 {
11147   switch (element)
11148   {
11149     case EL_EMC_WALL_1:                 return (MV_DOWN);
11150     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11151     case EL_EMC_WALL_3:                 return (MV_UP);
11152   }
11153
11154   return MV_NONE;
11155 }
11156
11157 static int getPillarFromOpenDirection(int direction)
11158 {
11159   switch (direction)
11160   {
11161     case (MV_DOWN):                     return EL_EMC_WALL_1;
11162     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11163     case (MV_UP):                       return EL_EMC_WALL_3;
11164   }
11165
11166   return EL_EMPTY;
11167 }
11168
11169 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11170 {
11171   int element_new = getPillarFromOpenDirection(direction);
11172
11173   return (element_new != EL_EMPTY ? element_new : element_old);
11174 }
11175
11176 static int getOpenDirectionFromSteel2(int element)
11177 {
11178   switch (element)
11179   {
11180     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11181     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11182     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11183     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11184     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11185     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11186     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11187     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11188   }
11189
11190   return MV_NONE;
11191 }
11192
11193 static int getSteel2FromOpenDirection(int direction)
11194 {
11195   switch (direction)
11196   {
11197     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11198     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11199     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11200     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11201     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11202     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11203     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11204     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11205   }
11206
11207   return EL_EMPTY;
11208 }
11209
11210 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11211 {
11212   int element_new = getSteel2FromOpenDirection(direction);
11213
11214   return (element_new != EL_EMPTY ? element_new : element_old);
11215 }
11216
11217 static int getOpenDirectionFromChip(int element)
11218 {
11219   switch (element)
11220   {
11221     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11222     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11223     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11224     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11225     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11226   }
11227
11228   return MV_NONE;
11229 }
11230
11231 static int getChipFromOpenDirection(int direction)
11232 {
11233   switch (direction)
11234   {
11235     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11236     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11237     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11238     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11239     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11240   }
11241
11242   return EL_EMPTY;
11243 }
11244
11245 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11246 {
11247   int element_new = getChipFromOpenDirection(direction);
11248
11249   return (element_new != EL_EMPTY ? element_new : element_old);
11250 }
11251
11252 static int getClosedTube(int x, int y)
11253 {
11254   struct XY *xy = xy_directions;
11255   int element_old = IntelliDrawBuffer[x][y];
11256   int direction_old = getOpenDirectionFromTube(element_old);
11257   int direction_new = MV_NONE;
11258   int i;
11259
11260   for (i = 0; i < NUM_DIRECTIONS; i++)
11261   {
11262     int xx = x + xy[i].x;
11263     int yy = y + xy[i].y;
11264     int dir = MV_DIR_FROM_BIT(i);
11265     int dir_opposite = MV_DIR_OPPOSITE(dir);
11266
11267     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11268         (direction_old & dir) &&
11269         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11270       direction_new |= dir;
11271   }
11272
11273   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11274 }
11275
11276 static int getClosedBelt(int x, int y)
11277 {
11278   struct XY *xy = xy_directions;
11279   int element_old = IntelliDrawBuffer[x][y];
11280   int nr = getBeltNrFromBeltElement(element_old);
11281   int direction_old = getOpenDirectionFromBelt(element_old);
11282   int direction_new = MV_NONE;
11283   int i;
11284
11285   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11286   {
11287     int xx = x + xy[i].x;
11288     int yy = y + xy[i].y;
11289     int dir = MV_DIR_FROM_BIT(i);
11290     int dir_opposite = MV_DIR_OPPOSITE(dir);
11291
11292     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
11293         (direction_old & dir) &&
11294         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11295       direction_new |= dir;
11296   }
11297
11298   return getBeltFromNrAndOpenDirection(nr, direction_new);
11299 }
11300
11301 static int getClosedPool(int x, int y)
11302 {
11303   struct XY *xy = xy_directions;
11304   int element_old = IntelliDrawBuffer[x][y];
11305   int direction_old = getOpenDirectionFromPool(element_old);
11306   int direction_new = MV_NONE;
11307   int i;
11308
11309   for (i = 0; i < NUM_DIRECTIONS; i++)
11310   {
11311     int xx = x + xy[i].x;
11312     int yy = y + xy[i].y;
11313     int dir = MV_DIR_FROM_BIT(i);
11314     int dir_opposite = MV_DIR_OPPOSITE(dir);
11315
11316     if (IN_LEV_FIELD(xx, yy) &&
11317         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11318         (direction_old & dir) &&
11319         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11320       direction_new |= dir;
11321   }
11322
11323   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11324 }
11325
11326 static int getClosedPillar(int x, int y)
11327 {
11328   struct XY *xy = xy_directions;
11329   int element_old = IntelliDrawBuffer[x][y];
11330   int direction_old = getOpenDirectionFromPillar(element_old);
11331   int direction_new = MV_NONE;
11332   int i;
11333
11334   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11335   {
11336     int xx = x + xy[i].x;
11337     int yy = y + xy[i].y;
11338     int dir = MV_DIR_FROM_BIT(i);
11339     int dir_opposite = MV_DIR_OPPOSITE(dir);
11340
11341     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11342         (direction_old & dir) &&
11343         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11344       direction_new |= dir;
11345   }
11346
11347   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11348 }
11349
11350 static int getClosedSteel2(int x, int y)
11351 {
11352   struct XY *xy = xy_directions;
11353   int element_old = IntelliDrawBuffer[x][y];
11354   int direction_old = getOpenDirectionFromSteel2(element_old);
11355   int direction_new = MV_NONE;
11356   int i;
11357
11358   for (i = 0; i < NUM_DIRECTIONS; i++)
11359   {
11360     int xx = x + xy[i].x;
11361     int yy = y + xy[i].y;
11362     int dir = MV_DIR_FROM_BIT(i);
11363     int dir_opposite = MV_DIR_OPPOSITE(dir);
11364
11365     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11366         (direction_old & dir) &&
11367         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11368       direction_new |= dir;
11369   }
11370
11371   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11372 }
11373
11374 static int getClosedChip(int x, int y)
11375 {
11376   struct XY *xy = xy_directions;
11377   int element_old = IntelliDrawBuffer[x][y];
11378   int direction_old = getOpenDirectionFromChip(element_old);
11379   int direction_new = MV_NONE;
11380   int i;
11381
11382   for (i = 0; i < NUM_DIRECTIONS; i++)
11383   {
11384     int xx = x + xy[i].x;
11385     int yy = y + xy[i].y;
11386     int dir = MV_DIR_FROM_BIT(i);
11387     int dir_opposite = MV_DIR_OPPOSITE(dir);
11388
11389     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11390         (direction_old & dir) &&
11391         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11392       direction_new |= dir;
11393   }
11394
11395   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11396 }
11397
11398 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11399                                 boolean change_level)
11400 {
11401   int sx = x - level_xpos;
11402   int sy = y - level_ypos;
11403   int old_element = Tile[x][y];
11404   int new_element = element;
11405   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11406   boolean draw_masked = FALSE;
11407
11408   if (IS_MM_WALL_EDITOR(element))
11409   {
11410     element = map_mm_wall_element_editor(element) | new_bitmask;
11411
11412     if (IS_MM_WALL(old_element))
11413       element |= MM_WALL_BITS(old_element);
11414
11415     if (!change_level)
11416       draw_masked = TRUE;
11417   }
11418   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11419   {
11420     int element_changed = old_element & ~new_bitmask;
11421
11422     if (MM_WALL_BITS(element_changed) != 0)
11423       element = element_changed;
11424   }
11425
11426   IntelliDrawBuffer[x][y] = element;
11427
11428   if (change_level)
11429     Tile[x][y] = element;
11430
11431   if (IN_ED_FIELD(sx, sy))
11432   {
11433     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11434       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11435     else if (draw_masked)
11436       DrawEditorElementThruMask(sx, sy, element);
11437     else
11438       DrawEditorElement(sx, sy, element);
11439   }
11440 }
11441
11442 static void SetElementSimple(int x, int y, int element, boolean change_level)
11443 {
11444   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11445 }
11446
11447 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11448                                            int x2, int y2, int *element2,
11449                                            int (*close_function)(int, int),
11450                                            boolean change_level)
11451 {
11452   // set neighbour elements to newly determined connections
11453   SetElementSimple(x1, y1, *element1, change_level);
11454   SetElementSimple(x2, y2, *element2, change_level);
11455
11456   // remove all open connections of neighbour elements
11457   *element1 = close_function(x1, y1);
11458   *element2 = close_function(x2, y2);
11459
11460   // set neighbour elements to new, minimized connections
11461   SetElementSimple(x1, y1, *element1, change_level);
11462   SetElementSimple(x2, y2, *element2, change_level);
11463 }
11464
11465 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11466                                   boolean change_level, int button)
11467 {
11468   struct XY *xy = xy_directions;
11469   static int last_x = -1;
11470   static int last_y = -1;
11471
11472   if (new_element == EL_UNDEFINED)
11473   {
11474     last_x = -1;
11475     last_y = -1;
11476
11477     return;
11478   }
11479
11480   int old_element = IntelliDrawBuffer[x][y];
11481
11482   if (IS_TUBE(new_element))
11483   {
11484     int last_element_new = EL_UNDEFINED;
11485     int direction = MV_NONE;
11486     int i;
11487
11488     // if old element is of same kind, keep all existing directions
11489     if (IS_TUBE(old_element))
11490       direction |= getOpenDirectionFromTube(old_element);
11491
11492     for (i = 0; i < NUM_DIRECTIONS; i++)
11493     {
11494       int xx = x + xy[i].x;
11495       int yy = y + xy[i].y;
11496
11497       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11498           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11499       {
11500         int dir = MV_DIR_FROM_BIT(i);
11501         int dir_opposite = MV_DIR_OPPOSITE(dir);
11502         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11503         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11504         int last_direction_new = last_direction_old | dir_opposite;
11505
11506         last_element_new = getTubeFromOpenDirection(last_direction_new);
11507
11508         direction |= dir;
11509       }
11510     }
11511
11512     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11513
11514     if (last_element_new != EL_UNDEFINED)
11515       MergeAndCloseNeighbourElements(x, y, &new_element,
11516                                      last_x, last_y, &last_element_new,
11517                                      getClosedTube, change_level);
11518   }
11519   else if (IS_BELT(new_element))
11520   {
11521     int belt_nr = getBeltNrFromBeltElement(new_element);
11522     int last_element_new = EL_UNDEFINED;
11523     int direction = MV_NONE;
11524     int i;
11525
11526     // if old element is of same kind, keep all existing directions
11527     if (IS_BELT(old_element))
11528       direction |= getOpenDirectionFromBelt(old_element);
11529
11530     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11531     {
11532       int xx = x + xy[i].x;
11533       int yy = y + xy[i].y;
11534
11535       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11536           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11537       {
11538         int dir = MV_DIR_FROM_BIT(i);
11539         int dir_opposite = MV_DIR_OPPOSITE(dir);
11540         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11541         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11542         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11543         int last_direction_new = last_direction_old | dir_opposite;
11544
11545         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11546                                                          last_direction_new);
11547         direction |= dir;
11548       }
11549     }
11550
11551     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11552                                                         new_element);
11553     if (last_element_new != EL_UNDEFINED)
11554       MergeAndCloseNeighbourElements(x, y, &new_element,
11555                                      last_x, last_y, &last_element_new,
11556                                      getClosedBelt, change_level);
11557   }
11558   else if (IS_ACID_POOL_OR_ACID(new_element))
11559   {
11560     int last_element_new = EL_UNDEFINED;
11561     int direction = MV_NONE;
11562     int i;
11563
11564     // if old element is of same kind, keep all existing directions
11565     if (IS_ACID_POOL_OR_ACID(old_element))
11566       direction |= getOpenDirectionFromPool(old_element);
11567
11568     for (i = 0; i < NUM_DIRECTIONS; i++)
11569     {
11570       int xx = x + xy[i].x;
11571       int yy = y + xy[i].y;
11572
11573       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11574           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11575       {
11576         int dir = MV_DIR_FROM_BIT(i);
11577         int dir_opposite = MV_DIR_OPPOSITE(dir);
11578         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11579         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11580         int last_direction_new = last_direction_old | dir_opposite;
11581
11582         last_element_new = getPoolFromOpenDirection(last_direction_new);
11583
11584         direction |= dir;
11585       }
11586     }
11587
11588     // special corrections needed for intuitively correct acid pool drawing
11589     if (last_element_new == EL_EMPTY)
11590       last_element_new = new_element;
11591     else if (last_element_new != EL_UNDEFINED)
11592       new_element = last_element_new;
11593
11594     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11595
11596     if (last_element_new != EL_UNDEFINED)
11597       MergeAndCloseNeighbourElements(x, y, &new_element,
11598                                      last_x, last_y, &last_element_new,
11599                                      getClosedPool, change_level);
11600   }
11601   else if (IS_EMC_PILLAR(new_element))
11602   {
11603     int last_element_new = EL_UNDEFINED;
11604     int direction = MV_NONE;
11605     int i;
11606
11607     // if old element is of same kind, keep all existing directions
11608     if (IS_EMC_PILLAR(old_element))
11609       direction |= getOpenDirectionFromPillar(old_element);
11610
11611     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11612     {
11613       int xx = x + xy[i].x;
11614       int yy = y + xy[i].y;
11615
11616       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11617           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11618       {
11619         int dir = MV_DIR_FROM_BIT(i);
11620         int dir_opposite = MV_DIR_OPPOSITE(dir);
11621         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11622         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11623         int last_direction_new = last_direction_old | dir_opposite;
11624
11625         last_element_new = getPillarFromOpenDirection(last_direction_new);
11626
11627         direction |= dir;
11628       }
11629     }
11630
11631     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11632
11633     if (last_element_new != EL_UNDEFINED)
11634       MergeAndCloseNeighbourElements(x, y, &new_element,
11635                                      last_x, last_y, &last_element_new,
11636                                      getClosedPillar, change_level);
11637   }
11638   else if (IS_DC_STEELWALL_2(new_element))
11639   {
11640     int last_element_new = EL_UNDEFINED;
11641     int direction = MV_NONE;
11642     int i;
11643
11644     // if old element is of same kind, keep all existing directions
11645     if (IS_DC_STEELWALL_2(old_element))
11646       direction |= getOpenDirectionFromSteel2(old_element);
11647
11648     for (i = 0; i < NUM_DIRECTIONS; i++)
11649     {
11650       int xx = x + xy[i].x;
11651       int yy = y + xy[i].y;
11652
11653       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11654           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11655       {
11656         int dir = MV_DIR_FROM_BIT(i);
11657         int dir_opposite = MV_DIR_OPPOSITE(dir);
11658         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11659         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11660         int last_direction_new = last_direction_old | dir_opposite;
11661
11662         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11663
11664         direction |= dir;
11665       }
11666     }
11667
11668     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11669
11670     if (last_element_new != EL_UNDEFINED)
11671       MergeAndCloseNeighbourElements(x, y, &new_element,
11672                                      last_x, last_y, &last_element_new,
11673                                      getClosedSteel2, change_level);
11674   }
11675   else if (IS_SP_CHIP(new_element))
11676   {
11677     int last_element_new = EL_UNDEFINED;
11678     int direction = MV_NONE;
11679     int i;
11680
11681     // (do not keep existing directions, regardless of kind of old element)
11682
11683     for (i = 0; i < NUM_DIRECTIONS; i++)
11684     {
11685       int xx = x + xy[i].x;
11686       int yy = y + xy[i].y;
11687
11688       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11689           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11690       {
11691         int dir = MV_DIR_FROM_BIT(i);
11692         int dir_opposite = MV_DIR_OPPOSITE(dir);
11693         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11694         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11695         int last_direction_new = last_direction_old | dir_opposite;
11696
11697         if (last_direction_old == MV_NONE)
11698         {
11699           last_element_new = getChipFromOpenDirection(last_direction_new);
11700           direction |= dir;
11701         }
11702         else if (last_direction_old & (dir | dir_opposite))
11703         {
11704           direction |= MV_DIR_OPPOSITE(last_direction_old);
11705         }
11706         else
11707         {
11708           direction |= MV_DIR_OPPOSITE(dir);
11709         }
11710       }
11711     }
11712
11713     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11714
11715     if (last_element_new != EL_UNDEFINED)
11716       MergeAndCloseNeighbourElements(x, y, &new_element,
11717                                      last_x, last_y, &last_element_new,
11718                                      getClosedChip, change_level);
11719   }
11720   else if (IS_SP_HARDWARE_BASE(new_element))
11721   {
11722     int nr = GetSimpleRandom(6);
11723
11724     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11725                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11726                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11727                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11728                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11729   }
11730   else if (new_element == EL_SP_HARDWARE_GREEN ||
11731            new_element == EL_SP_HARDWARE_BLUE ||
11732            new_element == EL_SP_HARDWARE_RED)
11733   {
11734     int nr = GetSimpleRandom(3);
11735
11736     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11737                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11738   }
11739   else if (IS_GROUP_ELEMENT(new_element))
11740   {
11741     boolean connected_drawing = FALSE;
11742     int i;
11743
11744     for (i = 0; i < NUM_DIRECTIONS; i++)
11745     {
11746       int xx = x + xy[i].x;
11747       int yy = y + xy[i].y;
11748
11749       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11750           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11751         connected_drawing = TRUE;
11752     }
11753
11754     if (!connected_drawing)
11755       ResolveGroupElement(new_element);
11756
11757     new_element = GetElementFromGroupElement(new_element);
11758   }
11759   else if (IS_BELT_SWITCH(old_element))
11760   {
11761     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11762     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11763
11764     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11765                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11766
11767     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11768   }
11769   else
11770   {
11771     static int swappable_elements[][2] =
11772     {
11773       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11774       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11775       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11776       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11777       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11778       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11779       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11780       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11781       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11782       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11783       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11784       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11785       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11786       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11787       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11788       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11789       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11790       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11791       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11792       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11793       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11794       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11795       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11796       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11797       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11798       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11799       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11800       { EL_PEARL,                       EL_WALL_PEARL                   },
11801       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11802       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11803       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11804       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11805       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11806       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11807       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11808       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11809       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11810       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11811       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11812       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11813       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11814       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11815       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11816       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11817
11818       { -1,                             -1                              },
11819     };
11820     static int rotatable_elements_4[][4] =
11821     {
11822       {
11823         EL_BUG_UP,
11824         EL_BUG_RIGHT,
11825         EL_BUG_DOWN,
11826         EL_BUG_LEFT
11827       },
11828       {
11829         EL_SPACESHIP_UP,
11830         EL_SPACESHIP_RIGHT,
11831         EL_SPACESHIP_DOWN,
11832         EL_SPACESHIP_LEFT
11833       },
11834       {
11835         EL_BD_BUTTERFLY_UP,
11836         EL_BD_BUTTERFLY_RIGHT,
11837         EL_BD_BUTTERFLY_DOWN,
11838         EL_BD_BUTTERFLY_LEFT
11839       },
11840       {
11841         EL_BD_FIREFLY_UP,
11842         EL_BD_FIREFLY_RIGHT,
11843         EL_BD_FIREFLY_DOWN,
11844         EL_BD_FIREFLY_LEFT
11845       },
11846       {
11847         EL_PACMAN_UP,
11848         EL_PACMAN_RIGHT,
11849         EL_PACMAN_DOWN,
11850         EL_PACMAN_LEFT
11851       },
11852       {
11853         EL_YAMYAM_UP,
11854         EL_YAMYAM_RIGHT,
11855         EL_YAMYAM_DOWN,
11856         EL_YAMYAM_LEFT
11857       },
11858       {
11859         EL_ARROW_UP,
11860         EL_ARROW_RIGHT,
11861         EL_ARROW_DOWN,
11862         EL_ARROW_LEFT
11863       },
11864       {
11865         EL_SP_PORT_UP,
11866         EL_SP_PORT_RIGHT,
11867         EL_SP_PORT_DOWN,
11868         EL_SP_PORT_LEFT
11869       },
11870       {
11871         EL_SP_GRAVITY_PORT_UP,
11872         EL_SP_GRAVITY_PORT_RIGHT,
11873         EL_SP_GRAVITY_PORT_DOWN,
11874         EL_SP_GRAVITY_PORT_LEFT
11875       },
11876       {
11877         EL_SP_GRAVITY_ON_PORT_UP,
11878         EL_SP_GRAVITY_ON_PORT_RIGHT,
11879         EL_SP_GRAVITY_ON_PORT_DOWN,
11880         EL_SP_GRAVITY_ON_PORT_LEFT
11881       },
11882       {
11883         EL_SP_GRAVITY_OFF_PORT_UP,
11884         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11885         EL_SP_GRAVITY_OFF_PORT_DOWN,
11886         EL_SP_GRAVITY_OFF_PORT_LEFT
11887       },
11888       {
11889         EL_MOLE_UP,
11890         EL_MOLE_RIGHT,
11891         EL_MOLE_DOWN,
11892         EL_MOLE_LEFT
11893       },
11894       {
11895         EL_BALLOON_SWITCH_UP,
11896         EL_BALLOON_SWITCH_RIGHT,
11897         EL_BALLOON_SWITCH_DOWN,
11898         EL_BALLOON_SWITCH_LEFT
11899       },
11900       {
11901         EL_MM_MCDUFFIN_UP,
11902         EL_MM_MCDUFFIN_RIGHT,
11903         EL_MM_MCDUFFIN_DOWN,
11904         EL_MM_MCDUFFIN_LEFT
11905       },
11906       {
11907         EL_MM_MIRROR_FIXED_1,
11908         EL_MM_MIRROR_FIXED_4,
11909         EL_MM_MIRROR_FIXED_3,
11910         EL_MM_MIRROR_FIXED_2
11911       },
11912       {
11913         EL_MM_STEEL_GRID_FIXED_1,
11914         EL_MM_STEEL_GRID_FIXED_4,
11915         EL_MM_STEEL_GRID_FIXED_2,
11916         EL_MM_STEEL_GRID_FIXED_3
11917       },
11918       {
11919         EL_MM_WOODEN_GRID_FIXED_1,
11920         EL_MM_WOODEN_GRID_FIXED_4,
11921         EL_MM_WOODEN_GRID_FIXED_2,
11922         EL_MM_WOODEN_GRID_FIXED_3
11923       },
11924       {
11925         EL_MM_POLARIZER_CROSS_1,
11926         EL_MM_POLARIZER_CROSS_4,
11927         EL_MM_POLARIZER_CROSS_3,
11928         EL_MM_POLARIZER_CROSS_2
11929       },
11930       {
11931         EL_MM_PACMAN_UP,
11932         EL_MM_PACMAN_RIGHT,
11933         EL_MM_PACMAN_DOWN,
11934         EL_MM_PACMAN_LEFT
11935       },
11936       {
11937         EL_DF_LASER_UP,
11938         EL_DF_LASER_RIGHT,
11939         EL_DF_LASER_DOWN,
11940         EL_DF_LASER_LEFT
11941       },
11942       {
11943         EL_DF_RECEIVER_UP,
11944         EL_DF_RECEIVER_RIGHT,
11945         EL_DF_RECEIVER_DOWN,
11946         EL_DF_RECEIVER_LEFT
11947       },
11948       {
11949         EL_DF_SLOPE_1,
11950         EL_DF_SLOPE_4,
11951         EL_DF_SLOPE_3,
11952         EL_DF_SLOPE_2
11953       },
11954
11955       {
11956         -1,
11957       },
11958     };
11959     static int rotatable_elements_8[][8] =
11960     {
11961       {
11962         EL_DF_STEEL_GRID_FIXED_1,
11963         EL_DF_STEEL_GRID_FIXED_8,
11964         EL_DF_STEEL_GRID_FIXED_7,
11965         EL_DF_STEEL_GRID_FIXED_6,
11966         EL_DF_STEEL_GRID_FIXED_5,
11967         EL_DF_STEEL_GRID_FIXED_4,
11968         EL_DF_STEEL_GRID_FIXED_3,
11969         EL_DF_STEEL_GRID_FIXED_2
11970       },
11971       {
11972         EL_DF_WOODEN_GRID_FIXED_1,
11973         EL_DF_WOODEN_GRID_FIXED_8,
11974         EL_DF_WOODEN_GRID_FIXED_7,
11975         EL_DF_WOODEN_GRID_FIXED_6,
11976         EL_DF_WOODEN_GRID_FIXED_5,
11977         EL_DF_WOODEN_GRID_FIXED_4,
11978         EL_DF_WOODEN_GRID_FIXED_3,
11979         EL_DF_WOODEN_GRID_FIXED_2
11980       },
11981       {
11982         EL_DF_STEEL_GRID_ROTATING_1,
11983         EL_DF_STEEL_GRID_ROTATING_8,
11984         EL_DF_STEEL_GRID_ROTATING_7,
11985         EL_DF_STEEL_GRID_ROTATING_6,
11986         EL_DF_STEEL_GRID_ROTATING_5,
11987         EL_DF_STEEL_GRID_ROTATING_4,
11988         EL_DF_STEEL_GRID_ROTATING_3,
11989         EL_DF_STEEL_GRID_ROTATING_2
11990       },
11991       {
11992         EL_DF_WOODEN_GRID_ROTATING_1,
11993         EL_DF_WOODEN_GRID_ROTATING_8,
11994         EL_DF_WOODEN_GRID_ROTATING_7,
11995         EL_DF_WOODEN_GRID_ROTATING_6,
11996         EL_DF_WOODEN_GRID_ROTATING_5,
11997         EL_DF_WOODEN_GRID_ROTATING_4,
11998         EL_DF_WOODEN_GRID_ROTATING_3,
11999         EL_DF_WOODEN_GRID_ROTATING_2
12000       },
12001
12002       {
12003         -1,
12004       },
12005     };
12006     static int rotatable_elements_16[][16] =
12007     {
12008       {
12009         EL_MM_MIRROR_1,
12010         EL_MM_MIRROR_16,
12011         EL_MM_MIRROR_15,
12012         EL_MM_MIRROR_14,
12013         EL_MM_MIRROR_13,
12014         EL_MM_MIRROR_12,
12015         EL_MM_MIRROR_11,
12016         EL_MM_MIRROR_10,
12017         EL_MM_MIRROR_9,
12018         EL_MM_MIRROR_8,
12019         EL_MM_MIRROR_7,
12020         EL_MM_MIRROR_6,
12021         EL_MM_MIRROR_5,
12022         EL_MM_MIRROR_4,
12023         EL_MM_MIRROR_3,
12024         EL_MM_MIRROR_2
12025       },
12026       {
12027         EL_MM_TELEPORTER_5,
12028         EL_MM_TELEPORTER_4,
12029         EL_MM_TELEPORTER_3,
12030         EL_MM_TELEPORTER_2,
12031         EL_MM_TELEPORTER_1,
12032         EL_MM_TELEPORTER_16,
12033         EL_MM_TELEPORTER_15,
12034         EL_MM_TELEPORTER_14,
12035         EL_MM_TELEPORTER_13,
12036         EL_MM_TELEPORTER_12,
12037         EL_MM_TELEPORTER_11,
12038         EL_MM_TELEPORTER_10,
12039         EL_MM_TELEPORTER_9,
12040         EL_MM_TELEPORTER_8,
12041         EL_MM_TELEPORTER_7,
12042         EL_MM_TELEPORTER_6
12043       },
12044       {
12045         EL_MM_TELEPORTER_RED_5,
12046         EL_MM_TELEPORTER_RED_4,
12047         EL_MM_TELEPORTER_RED_3,
12048         EL_MM_TELEPORTER_RED_2,
12049         EL_MM_TELEPORTER_RED_1,
12050         EL_MM_TELEPORTER_RED_16,
12051         EL_MM_TELEPORTER_RED_15,
12052         EL_MM_TELEPORTER_RED_14,
12053         EL_MM_TELEPORTER_RED_13,
12054         EL_MM_TELEPORTER_RED_12,
12055         EL_MM_TELEPORTER_RED_11,
12056         EL_MM_TELEPORTER_RED_10,
12057         EL_MM_TELEPORTER_RED_9,
12058         EL_MM_TELEPORTER_RED_8,
12059         EL_MM_TELEPORTER_RED_7,
12060         EL_MM_TELEPORTER_RED_6
12061       },
12062       {
12063         EL_MM_TELEPORTER_YELLOW_5,
12064         EL_MM_TELEPORTER_YELLOW_4,
12065         EL_MM_TELEPORTER_YELLOW_3,
12066         EL_MM_TELEPORTER_YELLOW_2,
12067         EL_MM_TELEPORTER_YELLOW_1,
12068         EL_MM_TELEPORTER_YELLOW_16,
12069         EL_MM_TELEPORTER_YELLOW_15,
12070         EL_MM_TELEPORTER_YELLOW_14,
12071         EL_MM_TELEPORTER_YELLOW_13,
12072         EL_MM_TELEPORTER_YELLOW_12,
12073         EL_MM_TELEPORTER_YELLOW_11,
12074         EL_MM_TELEPORTER_YELLOW_10,
12075         EL_MM_TELEPORTER_YELLOW_9,
12076         EL_MM_TELEPORTER_YELLOW_8,
12077         EL_MM_TELEPORTER_YELLOW_7,
12078         EL_MM_TELEPORTER_YELLOW_6
12079       },
12080       {
12081         EL_MM_TELEPORTER_GREEN_5,
12082         EL_MM_TELEPORTER_GREEN_4,
12083         EL_MM_TELEPORTER_GREEN_3,
12084         EL_MM_TELEPORTER_GREEN_2,
12085         EL_MM_TELEPORTER_GREEN_1,
12086         EL_MM_TELEPORTER_GREEN_16,
12087         EL_MM_TELEPORTER_GREEN_15,
12088         EL_MM_TELEPORTER_GREEN_14,
12089         EL_MM_TELEPORTER_GREEN_13,
12090         EL_MM_TELEPORTER_GREEN_12,
12091         EL_MM_TELEPORTER_GREEN_11,
12092         EL_MM_TELEPORTER_GREEN_10,
12093         EL_MM_TELEPORTER_GREEN_9,
12094         EL_MM_TELEPORTER_GREEN_8,
12095         EL_MM_TELEPORTER_GREEN_7,
12096         EL_MM_TELEPORTER_GREEN_6
12097       },
12098       {
12099         EL_MM_TELEPORTER_BLUE_5,
12100         EL_MM_TELEPORTER_BLUE_4,
12101         EL_MM_TELEPORTER_BLUE_3,
12102         EL_MM_TELEPORTER_BLUE_2,
12103         EL_MM_TELEPORTER_BLUE_1,
12104         EL_MM_TELEPORTER_BLUE_16,
12105         EL_MM_TELEPORTER_BLUE_15,
12106         EL_MM_TELEPORTER_BLUE_14,
12107         EL_MM_TELEPORTER_BLUE_13,
12108         EL_MM_TELEPORTER_BLUE_12,
12109         EL_MM_TELEPORTER_BLUE_11,
12110         EL_MM_TELEPORTER_BLUE_10,
12111         EL_MM_TELEPORTER_BLUE_9,
12112         EL_MM_TELEPORTER_BLUE_8,
12113         EL_MM_TELEPORTER_BLUE_7,
12114         EL_MM_TELEPORTER_BLUE_6
12115       },
12116       {
12117         EL_MM_POLARIZER_1,
12118         EL_MM_POLARIZER_16,
12119         EL_MM_POLARIZER_15,
12120         EL_MM_POLARIZER_14,
12121         EL_MM_POLARIZER_13,
12122         EL_MM_POLARIZER_12,
12123         EL_MM_POLARIZER_11,
12124         EL_MM_POLARIZER_10,
12125         EL_MM_POLARIZER_9,
12126         EL_MM_POLARIZER_8,
12127         EL_MM_POLARIZER_7,
12128         EL_MM_POLARIZER_6,
12129         EL_MM_POLARIZER_5,
12130         EL_MM_POLARIZER_4,
12131         EL_MM_POLARIZER_3,
12132         EL_MM_POLARIZER_2
12133       },
12134       {
12135         EL_DF_MIRROR_1,
12136         EL_DF_MIRROR_16,
12137         EL_DF_MIRROR_15,
12138         EL_DF_MIRROR_14,
12139         EL_DF_MIRROR_13,
12140         EL_DF_MIRROR_12,
12141         EL_DF_MIRROR_11,
12142         EL_DF_MIRROR_10,
12143         EL_DF_MIRROR_9,
12144         EL_DF_MIRROR_8,
12145         EL_DF_MIRROR_7,
12146         EL_DF_MIRROR_6,
12147         EL_DF_MIRROR_5,
12148         EL_DF_MIRROR_4,
12149         EL_DF_MIRROR_3,
12150         EL_DF_MIRROR_2
12151       },
12152       {
12153         EL_DF_MIRROR_ROTATING_1,
12154         EL_DF_MIRROR_ROTATING_16,
12155         EL_DF_MIRROR_ROTATING_15,
12156         EL_DF_MIRROR_ROTATING_14,
12157         EL_DF_MIRROR_ROTATING_13,
12158         EL_DF_MIRROR_ROTATING_12,
12159         EL_DF_MIRROR_ROTATING_11,
12160         EL_DF_MIRROR_ROTATING_10,
12161         EL_DF_MIRROR_ROTATING_9,
12162         EL_DF_MIRROR_ROTATING_8,
12163         EL_DF_MIRROR_ROTATING_7,
12164         EL_DF_MIRROR_ROTATING_6,
12165         EL_DF_MIRROR_ROTATING_5,
12166         EL_DF_MIRROR_ROTATING_4,
12167         EL_DF_MIRROR_ROTATING_3,
12168         EL_DF_MIRROR_ROTATING_2
12169       },
12170       {
12171         EL_DF_MIRROR_FIXED_1,
12172         EL_DF_MIRROR_FIXED_16,
12173         EL_DF_MIRROR_FIXED_15,
12174         EL_DF_MIRROR_FIXED_14,
12175         EL_DF_MIRROR_FIXED_13,
12176         EL_DF_MIRROR_FIXED_12,
12177         EL_DF_MIRROR_FIXED_11,
12178         EL_DF_MIRROR_FIXED_10,
12179         EL_DF_MIRROR_FIXED_9,
12180         EL_DF_MIRROR_FIXED_8,
12181         EL_DF_MIRROR_FIXED_7,
12182         EL_DF_MIRROR_FIXED_6,
12183         EL_DF_MIRROR_FIXED_5,
12184         EL_DF_MIRROR_FIXED_4,
12185         EL_DF_MIRROR_FIXED_3,
12186         EL_DF_MIRROR_FIXED_2
12187       },
12188
12189       {
12190         -1,
12191       },
12192     };
12193     int i, j;
12194
12195     for (i = 0; swappable_elements[i][0] != -1; i++)
12196     {
12197       int element1 = swappable_elements[i][0];
12198       int element2 = swappable_elements[i][1];
12199
12200       if (old_element == element1 || old_element == element2)
12201         new_element = (old_element == element1 ? element2 : element1);
12202     }
12203
12204     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12205     {
12206       for (j = 0; j < 4; j++)
12207       {
12208         int element = rotatable_elements_4[i][j];
12209
12210         if (old_element == element)
12211           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12212                          button == 2 ? rotatable_elements_4[i][0]           :
12213                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12214                          old_element);
12215       }
12216     }
12217
12218     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12219     {
12220       for (j = 0; j < 8; j++)
12221       {
12222         int element = rotatable_elements_8[i][j];
12223
12224         if (old_element == element)
12225           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12226                          button == 2 ? rotatable_elements_8[i][0]           :
12227                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12228                          old_element);
12229       }
12230     }
12231
12232     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12233     {
12234       for (j = 0; j < 16; j++)
12235       {
12236         int element = rotatable_elements_16[i][j];
12237
12238         if (old_element == element)
12239           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12240                          button == 2 ? rotatable_elements_16[i][0]             :
12241                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12242                          old_element);
12243       }
12244     }
12245
12246     if (old_element != new_element)
12247     {
12248       int max_infotext_len = getMaxInfoTextLength();
12249       char infotext[MAX_OUTPUT_LINESIZE + 1];
12250
12251       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12252       infotext[max_infotext_len] = '\0';
12253
12254       ClearEditorGadgetInfoText();
12255
12256       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12257                 infotext);
12258     }
12259   }
12260
12261   if (IS_MM_WALL_EDITOR(new_element))
12262     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12263   else
12264     SetElementSimple(x, y, new_element, change_level);
12265
12266   last_x = x;
12267   last_y = y;
12268 }
12269
12270 static void ResetIntelliDraw(void)
12271 {
12272   int x, y;
12273
12274   for (x = 0; x < lev_fieldx; x++)
12275     for (y = 0; y < lev_fieldy; y++)
12276       IntelliDrawBuffer[x][y] = Tile[x][y];
12277
12278   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
12279 }
12280
12281 static boolean draw_mode_hires = FALSE;
12282
12283 static boolean isHiresTileElement(int element)
12284 {
12285   return (IS_MM_WALL(element)        || element == EL_EMPTY);
12286 }
12287
12288 static boolean isHiresDrawElement(int element)
12289 {
12290   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
12291 }
12292
12293 static int numHiresTiles(int element)
12294 {
12295   if (IS_MM_WALL(element))
12296     return get_number_of_bits(MM_WALL_BITS(element));
12297
12298   return 1;
12299 }
12300
12301 static void SetDrawModeHiRes(int element)
12302 {
12303   draw_mode_hires =
12304     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12305      isHiresDrawElement(element));
12306 }
12307
12308 static boolean getDrawModeHiRes(void)
12309 {
12310   return draw_mode_hires;
12311 }
12312
12313 static int getLoResScreenPos(int pos)
12314 {
12315   return (getDrawModeHiRes() ? pos / 2 : pos);
12316 }
12317
12318 static int getLoResScreenMod(int pos)
12319 {
12320   return (getDrawModeHiRes() ? pos % 2 : 0);
12321 }
12322
12323 static void SetElementExt(int x, int y, int dx, int dy, int element,
12324                           boolean change_level, int button)
12325 {
12326   if (element < 0)
12327     SetElementSimple(x, y, Tile[x][y], change_level);
12328   else if (GetKeyModState() & KMOD_Shift)
12329     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12330   else
12331     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12332 }
12333
12334 static void SetElement(int x, int y, int element)
12335 {
12336   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12337 }
12338
12339 static void SetElementButton(int x, int y, int dx, int dy, int element,
12340                              int button)
12341 {
12342   SetElementExt(x, y, dx, dy, element, TRUE, button);
12343 }
12344
12345 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12346 {
12347   int lx = getLoResScreenPos(sx2) + level_xpos;
12348   int ly = getLoResScreenPos(sy2) + level_ypos;
12349   int dx = getLoResScreenMod(sx2);
12350   int dy = getLoResScreenMod(sy2);
12351
12352   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12353 }
12354
12355 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12356 {
12357   int lx = lx2 / 2;
12358   int ly = ly2 / 2;
12359   int dx = lx2 % 2;
12360   int dy = ly2 % 2;
12361
12362   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12363 }
12364
12365 static int getLevelElementHiRes(int lx2, int ly2)
12366 {
12367   int lx = lx2 / 2;
12368   int ly = ly2 / 2;
12369   int dx = lx2 % 2;
12370   int dy = ly2 % 2;
12371   int element = Tile[lx][ly];
12372   unsigned int bitmask = (dx + 1) << (dy * 2);
12373
12374   if (IS_MM_WALL(element))
12375   {
12376     if (element & bitmask)
12377       return map_mm_wall_element(element);
12378     else
12379       return EL_EMPTY;
12380   }
12381
12382   return element;
12383 }
12384
12385 static void DrawLineElement(int x, int y, int element, boolean change_level)
12386 {
12387   SetElementHiRes(x, y, element, change_level);
12388 }
12389
12390 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12391                      int element, boolean change_level)
12392 {
12393   int xsize = ABS(to_x - from_x);
12394   int ysize = ABS(to_y - from_y);
12395   int dx = (to_x < from_x ? -1 : +1);
12396   int dy = (to_y < from_y ? -1 : +1);
12397   int i;
12398
12399   if (from_y == to_y)                   // horizontal line
12400   {
12401     for (i = 0; i <= xsize; i++)
12402       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12403   }
12404   else if (from_x == to_x)              // vertical line
12405   {
12406     for (i = 0; i <= ysize; i++)
12407       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12408   }
12409   else                                  // diagonal line
12410   {
12411     if (ysize < xsize)                  // a < 1
12412     {
12413       float a = (float)ysize / (float)xsize;
12414
12415       for (i = 0; i <= xsize; i++)
12416       {
12417         int x = dx * i;
12418         int y = dy * (int)(a * i + 0.5);
12419
12420         DrawLineElement(from_x + x, from_y + y, element, change_level);
12421       }
12422     }
12423     else                                // a >= 1
12424     {
12425       float a = (float)xsize / (float)ysize;
12426
12427       for (i = 0; i <= ysize; i++)
12428       {
12429         int x = dx * (int)(a * i + 0.5);
12430         int y = dy * i;
12431
12432         DrawLineElement(from_x + x, from_y + y, element, change_level);
12433       }
12434     }
12435   }
12436 }
12437
12438 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12439                     int element, boolean change_level)
12440 {
12441   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12442   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12443   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12444   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12445 }
12446
12447 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12448                           int element, boolean change_level)
12449 {
12450   int y;
12451
12452   if (from_y > to_y)
12453     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12454
12455   for (y = from_y; y <= to_y; y++)
12456     DrawLine(from_x, y, to_x, y, element, change_level);
12457 }
12458
12459 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12460                        int element, boolean change_level)
12461 {
12462   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12463   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12464   int len_x = ABS(to_x - from_x);
12465   int len_y = ABS(to_y - from_y);
12466   int radius, x, y;
12467
12468   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12469
12470   // not optimal (some points get drawn twice) but simple,
12471   // and fast enough for the few points we are drawing
12472
12473   for (x = 0; x <= radius; x++)
12474   {
12475     int sx, sy, sx2, sy2, lx, ly;
12476
12477     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12478
12479     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12480     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12481     sx = getLoResScreenPos(sx2);
12482     sy = getLoResScreenPos(sy2);
12483     lx = sx + level_xpos;
12484     ly = sy + level_ypos;
12485
12486     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12487       DrawLineElement(sx2, sy2, element, change_level);
12488   }
12489
12490   for (y = 0; y <= radius; y++)
12491   {
12492     int sx, sy, sx2, sy2, lx, ly;
12493
12494     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12495
12496     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12497     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12498     sx = getLoResScreenPos(sx2);
12499     sy = getLoResScreenPos(sy2);
12500     lx = sx + level_xpos;
12501     ly = sy + level_ypos;
12502
12503     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12504       DrawLineElement(sx2, sy2, element, change_level);
12505   }
12506 }
12507
12508 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12509                     int element, boolean change_level)
12510 {
12511   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12512   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12513
12514   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12515 }
12516
12517 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12518
12519 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12520 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12521                        int element, boolean change_level)
12522 {
12523   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12524   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12525   int mirror_to_x2 = from_x - (to_x2 - from_x);
12526   int mirror_to_y2 = from_y - (to_y2 - from_y);
12527
12528   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12529   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12530   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12531   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
12532 }
12533 #endif
12534
12535 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12536 {
12537   int from_sx, from_sy;
12538   int to_sx, to_sy;
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   from_sx = SX + from_x * ed_tilesize;
12547   from_sy = SY + from_y * ed_tilesize;
12548   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12549   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12550
12551   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12552   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12553   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12554   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12555
12556   if (from_x == to_x && from_y == to_y)
12557     MarkTileDirty(from_x/2, from_y/2);
12558   else
12559     redraw_mask |= REDRAW_FIELD;
12560 }
12561
12562 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12563                         int element, boolean change_level)
12564 {
12565   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12566 }
12567
12568 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12569                        int element, boolean change_level)
12570 {
12571   if (element == -1 || change_level)
12572     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12573   else
12574     DrawAreaBorder(from_x, from_y, to_x, to_y);
12575 }
12576
12577 // values for CopyBrushExt()
12578 #define CB_AREA_TO_BRUSH                0
12579 #define CB_BRUSH_TO_CURSOR              1
12580 #define CB_BRUSH_TO_LEVEL               2
12581 #define CB_DELETE_OLD_CURSOR            3
12582 #define CB_DUMP_BRUSH                   4
12583 #define CB_DUMP_BRUSH_SMALL             5
12584 #define CB_CLIPBOARD_TO_BRUSH           6
12585 #define CB_BRUSH_TO_CLIPBOARD           7
12586 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12587 #define CB_UPDATE_BRUSH_POSITION        9
12588 #define CB_FLIP_BRUSH_X                 10
12589 #define CB_FLIP_BRUSH_Y                 11
12590 #define CB_FLIP_BRUSH_XY                12
12591
12592 #define MAX_CB_PART_SIZE        10
12593 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12594 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12595 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12596                                  MAX_CB_NUM_LINES *     \
12597                                  MAX_CB_PART_SIZE)
12598
12599 static int getFlippedTileExt(int map[], int element)
12600 {
12601   int i;
12602
12603   for (i = 0; map[i] != -1; i++)
12604     if (map[i] == element)
12605       return map[i ^ 1];        // get flipped element by flipping LSB of index
12606
12607   return element;
12608 }
12609
12610 static int getFlippedTileX(int element)
12611 {
12612   int map[] =
12613   {
12614     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
12615     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
12616     EL_BUG_LEFT,                        EL_BUG_RIGHT,
12617     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
12618     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
12619     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
12620     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
12621     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
12622     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
12623     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
12624     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
12625     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
12626     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
12627     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
12628     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
12629     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
12630     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
12631     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
12632     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
12633     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
12634     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
12635     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
12636     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
12637     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
12638     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
12639     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
12640     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
12641     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
12642     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
12643     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
12644
12645     -1
12646   };
12647
12648   return getFlippedTileExt(map, element);
12649 }
12650
12651 static int getFlippedTileY(int element)
12652 {
12653   int map[] =
12654   {
12655     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
12656     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
12657     EL_BUG_UP,                          EL_BUG_DOWN,
12658     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
12659     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
12660     EL_ARROW_UP,                        EL_ARROW_DOWN,
12661     EL_MOLE_UP,                         EL_MOLE_DOWN,
12662     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
12663     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
12664     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
12665     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
12666     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
12667     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
12668     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
12669     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
12670     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
12671     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
12672     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
12673     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
12674     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
12675     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
12676     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
12677     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
12678     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
12679
12680     -1
12681   };
12682
12683   return getFlippedTileExt(map, element);
12684 }
12685
12686 static int getFlippedTileXY(int element)
12687 {
12688   int map[] =
12689   {
12690     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
12691     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
12692     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
12693     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
12694     EL_BUG_LEFT,                        EL_BUG_UP,
12695     EL_BUG_RIGHT,                       EL_BUG_DOWN,
12696     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
12697     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
12698     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
12699     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
12700     EL_ARROW_LEFT,                      EL_ARROW_UP,
12701     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
12702     EL_MOLE_LEFT,                       EL_MOLE_UP,
12703     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
12704     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
12705     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
12706     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
12707     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
12708     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
12709     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
12710     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
12711     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
12712     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
12713     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
12714     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
12715     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
12716     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
12717     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
12718     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
12719     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
12720     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
12721     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
12722     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
12723     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
12724     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
12725     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
12726     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
12727     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
12728     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
12729     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
12730     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
12731     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
12732
12733     -1
12734   };
12735
12736   return getFlippedTileExt(map, element);
12737 }
12738
12739 static int getFlippedTile(int element, int mode)
12740 {
12741   if (IS_MM_ELEMENT(element))
12742   {
12743     // get MM game element
12744     element = map_element_RND_to_MM(element);
12745
12746     // get flipped game element
12747     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
12748                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
12749                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
12750                element);
12751
12752     // get RND game element again
12753     element = map_element_MM_to_RND(element);
12754   }
12755   else
12756   {
12757     // get flipped game element
12758     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
12759                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
12760                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
12761                element);
12762   }
12763
12764   return element;
12765 }
12766
12767 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
12768 {
12769   // flip tiles
12770   short tile1_flipped = getFlippedTile(*tile1, mode);
12771   short tile2_flipped = getFlippedTile(*tile2, mode);
12772
12773   // swap tiles
12774   *tile1 = tile2_flipped;
12775   *tile2 = tile1_flipped;
12776 }
12777
12778 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12779 {
12780   DrawLineElement(sx, sy, element, change_level);
12781 }
12782
12783 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12784                          int button, int mode)
12785 {
12786   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12787   static int brush_width, brush_height;
12788   static int last_cursor_x = -1, last_cursor_y = -1;
12789   static boolean delete_old_brush = FALSE;
12790   int new_element = BUTTON_ELEMENT(button);
12791   int x, y;
12792
12793   if (mode == CB_DUMP_BRUSH ||
12794       mode == CB_DUMP_BRUSH_SMALL ||
12795       mode == CB_BRUSH_TO_CLIPBOARD ||
12796       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12797   {
12798     if (edit_mode != ED_MODE_DRAWING)
12799       return;
12800
12801     char part[MAX_CB_PART_SIZE + 1] = "";
12802     char text[MAX_CB_TEXT_SIZE + 1] = "";
12803     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12804     int height = (draw_with_brush ? brush_height : lev_fieldy);
12805     char *format = "%s%03d";
12806
12807     for (y = 0; y < height; y++)
12808       for (x = 0; x < width; x++)
12809         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12810           format = "%s%04d";
12811
12812     for (y = 0; y < height; y++)
12813     {
12814       for (x = 0; x < width; x++)
12815       {
12816         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12817         char *prefix = (mode == CB_DUMP_BRUSH ||
12818                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12819
12820         if (element >= NUM_FILE_ELEMENTS)
12821           element = EL_UNKNOWN;
12822
12823         // copy brush to level sketch text buffer for the R'n'D forum:
12824         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12825         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12826         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12827         strcat(text, part);
12828       }
12829
12830       strcat(text, "\n");
12831     }
12832
12833     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12834         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12835       SDL_SetClipboardText(text);
12836     else
12837       Print("%s", text);        // print brush data to console and log file
12838
12839     return;
12840   }
12841
12842   if (mode == CB_CLIPBOARD_TO_BRUSH)
12843   {
12844     if (edit_mode != ED_MODE_DRAWING)
12845       return;
12846
12847     if (!SDL_HasClipboardText())
12848     {
12849       Request("Clipboard is empty!", REQ_CONFIRM);
12850
12851       return;
12852     }
12853
12854     boolean copy_to_brush = (draw_with_brush ||
12855                              drawing_function == GADGET_ID_GRAB_BRUSH);
12856
12857     // this will delete the old brush, if already drawing with a brush
12858     if (copy_to_brush)
12859       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12860
12861     // initialization is required for "odd" (incomplete) clipboard content
12862     for (x = 0; x < MAX_LEV_FIELDX; x++)
12863       for (y = 0; y < MAX_LEV_FIELDY; y++)
12864         brush_buffer[x][y] = EL_EMPTY;
12865
12866     brush_width  = 0;
12867     brush_height = 0;
12868     x = 0;
12869     y = 0;
12870
12871     char *clipboard_text = SDL_GetClipboardText();
12872     char *ptr = clipboard_text;
12873     boolean allow_new_row = FALSE;
12874     boolean stop = FALSE;
12875
12876     while (*ptr && !stop)
12877     {
12878       boolean prefix_found = FALSE;
12879       boolean start_new_row = FALSE;
12880
12881       // level sketch element number prefixes (may be multi-byte characters)
12882       char *prefix_list[] = { "`", "¸" };
12883       int i;
12884
12885       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12886       {
12887         char *prefix = prefix_list[i];
12888
12889         // check if string is large enough for prefix
12890         if (strlen(ptr) < strlen(prefix))
12891         {
12892           stop = TRUE;
12893
12894           break;
12895         }
12896
12897         // check if string starts with prefix
12898         if (strPrefix(ptr, prefix))
12899         {
12900           ptr += strlen(prefix);
12901
12902           prefix_found = TRUE;
12903
12904           break;
12905         }
12906       }
12907
12908       // check if prefix found and followed by (at least) three digits
12909       if (prefix_found &&
12910           strlen(ptr) >= 3 &&
12911           ptr[0] >= '0' && ptr[0] <= '9' &&
12912           ptr[1] >= '0' && ptr[1] <= '9' &&
12913           ptr[2] >= '0' && ptr[2] <= '9')
12914       {
12915         int element = ((ptr[0] - '0') * 100 +
12916                        (ptr[1] - '0') * 10 +
12917                        (ptr[2] - '0'));
12918
12919         ptr += 3;
12920
12921         // level sketch element number might consist of four digits
12922         if (ptr[0] >= '0' && ptr[0] <= '9')
12923         {
12924           element = element * 10 + (ptr[0] - '0');
12925           ptr++;
12926         }
12927
12928         // remap some (historic, now obsolete) elements
12929         element = getMappedElement(element);
12930
12931         if (element >= NUM_FILE_ELEMENTS)
12932           element = EL_UNKNOWN;
12933
12934         brush_buffer[x][y] = element;
12935
12936         brush_width  = MAX(x + 1, brush_width);
12937         brush_height = MAX(y + 1, brush_height);
12938
12939         x++;
12940
12941         if (x >= MAX_LEV_FIELDX)
12942           start_new_row = TRUE;
12943
12944         allow_new_row = TRUE;
12945       }
12946       else
12947       {
12948         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12949           start_new_row = TRUE;
12950
12951         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12952       }
12953
12954       if (start_new_row)
12955       {
12956         x = 0;
12957         y++;
12958
12959         if (y >= MAX_LEV_FIELDY)
12960           stop = TRUE;
12961
12962         allow_new_row = FALSE;
12963       }
12964     }
12965
12966     SDL_free(clipboard_text);
12967
12968     if (brush_width == 0 || brush_height == 0)
12969     {
12970       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12971
12972       return;
12973     }
12974
12975     if (copy_to_brush)
12976     {
12977       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12978       int mx, my;
12979
12980       SDL_GetMouseState(&mx, &my);
12981
12982       // if inside drawing area, activate and draw brush at last mouse position
12983       if (mx >= gi->x && mx < gi->x + gi->width &&
12984           my >= gi->y && my < gi->y + gi->height)
12985         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12986
12987       draw_with_brush = TRUE;
12988     }
12989     else
12990     {
12991       char request[100];
12992
12993       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12994               brush_width, brush_height);
12995
12996       if (!Request(request, REQ_ASK))
12997         return;
12998
12999       for (x = 0; x < MAX_LEV_FIELDX; x++)
13000         for (y = 0; y < MAX_LEV_FIELDY; y++)
13001           Tile[x][y] = brush_buffer[x][y];
13002
13003       lev_fieldx = level.fieldx = brush_width;
13004       lev_fieldy = level.fieldy = brush_height;
13005
13006       boolean use_bd_engine = TRUE;
13007       boolean use_em_engine = TRUE;
13008       boolean use_sp_engine = TRUE;
13009       boolean use_mm_engine = TRUE;
13010
13011       for (x = 0; x < MAX_LEV_FIELDX; x++)
13012       {
13013         for (y = 0; y < MAX_LEV_FIELDY; y++)
13014         {
13015           int element = Tile[x][y];
13016
13017           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13018             use_bd_engine = FALSE;
13019
13020           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13021             use_em_engine = FALSE;
13022
13023           if (!IS_SP_ELEMENT(element))
13024             use_sp_engine = FALSE;
13025
13026           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13027             use_mm_engine = FALSE;
13028         }
13029       }
13030
13031       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13032                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13033                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13034                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13035                                 GAME_ENGINE_TYPE_RND);
13036
13037       // update element selection list
13038       ReinitializeElementList();
13039       ModifyEditorElementList();
13040
13041       SetBorderElement();
13042
13043       DrawEditModeWindow();
13044       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13045     }
13046
13047     return;
13048   }
13049
13050   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13051     return;
13052
13053   if (mode == CB_AREA_TO_BRUSH)
13054   {
13055     int from_lx, from_ly;
13056
13057     if (from_x > to_x)
13058       swap_numbers(&from_x, &to_x);
13059
13060     if (from_y > to_y)
13061       swap_numbers(&from_y, &to_y);
13062
13063     brush_width = to_x - from_x + 1;
13064     brush_height = to_y - from_y + 1;
13065
13066     from_lx = from_x + level_xpos;
13067     from_ly = from_y + level_ypos;
13068
13069     for (y = 0; y < brush_height; y++)
13070     {
13071       for (x = 0; x < brush_width; x++)
13072       {
13073         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13074
13075         if (button != 1)
13076           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13077       }
13078     }
13079
13080     if (button != 1)
13081       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13082
13083     delete_old_brush = FALSE;
13084   }
13085   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13086            mode == CB_BRUSH_TO_LEVEL)
13087   {
13088     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13089     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13090     int cursor_from_x = cursor_x - brush_width / 2;
13091     int cursor_from_y = cursor_y - brush_height / 2;
13092     int border_from_x = cursor_x, border_from_y = cursor_y;
13093     int border_to_x = cursor_x, border_to_y = cursor_y;
13094
13095     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13096       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13097
13098     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13099         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13100     {
13101       delete_old_brush = FALSE;
13102
13103       return;
13104     }
13105
13106     for (y = 0; y < brush_height; y++)
13107     {
13108       for (x = 0; x < brush_width; x++)
13109       {
13110         int sx = cursor_from_x + x;
13111         int sy = cursor_from_y + y;
13112         int lx = sx + level_xpos;
13113         int ly = sy + level_ypos;
13114         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13115         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13116                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13117                        brush_buffer[x][y] : new_element);
13118
13119         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13120         {
13121           if (sx < border_from_x)
13122             border_from_x = sx;
13123           else if (sx > border_to_x)
13124             border_to_x = sx;
13125           if (sy < border_from_y)
13126             border_from_y = sy;
13127           else if (sy > border_to_y)
13128             border_to_y = sy;
13129
13130           DrawBrushElement(sx, sy, element, change_level);
13131         }
13132       }
13133     }
13134
13135     if (mode != CB_DELETE_OLD_CURSOR)
13136       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13137
13138     last_cursor_x = cursor_x;
13139     last_cursor_y = cursor_y;
13140
13141     delete_old_brush = TRUE;
13142   }
13143   else if (mode == CB_FLIP_BRUSH_X)
13144   {
13145     for (y = 0; y < brush_height; y++)
13146       for (x = 0; x < (brush_width + 1) / 2; x++)
13147         SwapFlippedTiles(&brush_buffer[x][y],
13148                          &brush_buffer[brush_width - x - 1][y], mode);
13149
13150     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13151   }
13152   else if (mode == CB_FLIP_BRUSH_Y)
13153   {
13154     for (y = 0; y < (brush_height + 1) / 2; y++)
13155       for (x = 0; x < brush_width; x++)
13156         SwapFlippedTiles(&brush_buffer[x][y],
13157                          &brush_buffer[x][brush_height - y - 1], mode);
13158
13159     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13160   }
13161   else if (mode == CB_FLIP_BRUSH_XY)
13162   {
13163     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13164
13165     for (y = 0; y < MAX(brush_width, brush_height); y++)
13166       for (x = 0; x <= y; x++)
13167         SwapFlippedTiles(&brush_buffer[x][y],
13168                          &brush_buffer[y][x], mode);
13169
13170     swap_numbers(&brush_width, &brush_height);
13171
13172     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13173   }
13174
13175   if (mode == CB_UPDATE_BRUSH_POSITION)
13176   {
13177     last_cursor_x = from_x;
13178     last_cursor_y = from_y;
13179   }
13180 }
13181
13182 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13183                             int button)
13184 {
13185   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13186 }
13187
13188 static void CopyBrushToLevel(int x, int y, int button)
13189 {
13190   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13191 }
13192
13193 static void CopyBrushToCursor(int x, int y)
13194 {
13195   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13196 }
13197
13198 static void UpdateBrushPosition(int x, int y)
13199 {
13200   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13201 }
13202
13203 static void DeleteBrushFromCursor(void)
13204 {
13205   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13206 }
13207
13208 static void FlipBrushX(void)
13209 {
13210   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13211 }
13212
13213 static void FlipBrushY(void)
13214 {
13215   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13216 }
13217
13218 static void RotateBrush(void)
13219 {
13220   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13221   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13222 }
13223
13224 void DumpBrush(void)
13225 {
13226   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13227 }
13228
13229 void DumpBrush_Small(void)
13230 {
13231   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13232 }
13233
13234 void CopyClipboardToBrush(void)
13235 {
13236   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13237 }
13238
13239 void CopyBrushToClipboard(void)
13240 {
13241   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13242 }
13243
13244 void CopyBrushToClipboard_Small(void)
13245 {
13246   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13247 }
13248
13249 void UndoLevelEditorOperation(void)
13250 {
13251   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13252 }
13253
13254 void RedoLevelEditorOperation(void)
13255 {
13256   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13257 }
13258
13259 static void FloodFill(int from_x, int from_y, int fill_element)
13260 {
13261   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13262 }
13263
13264 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13265 {
13266   int from_x = from_sx2 + 2 * level_xpos;
13267   int from_y = from_sy2 + 2 * level_ypos;
13268   int max_fillx = lev_fieldx * 2;
13269   int max_filly = lev_fieldy * 2;
13270   short Fill[max_fillx][max_filly];
13271   int x, y;
13272
13273   for (x = 0; x < max_fillx; x++)
13274     for (y = 0; y < max_filly; y++)
13275       Fill[x][y] = getLevelElementHiRes(x, y);
13276
13277   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
13278                     Fill, max_fillx, max_filly);
13279
13280   for (x = 0; x < max_fillx; x++)
13281     for (y = 0; y < max_filly; y++)
13282       if (Fill[x][y] == fill_element)
13283         SetLevelElementHiRes(x, y, Fill[x][y]);
13284 }
13285
13286 // values for DrawLevelText() modes
13287 #define TEXT_INIT               0
13288 #define TEXT_SETCURSOR          1
13289 #define TEXT_WRITECHAR          2
13290 #define TEXT_BACKSPACE          3
13291 #define TEXT_NEWLINE            4
13292 #define TEXT_END                5
13293 #define TEXT_QUERY_TYPING       6
13294
13295 static int DrawLevelText(int sx, int sy, char letter, int mode)
13296 {
13297   static short delete_buffer[MAX_LEV_FIELDX];
13298   static int start_sx;
13299   static int last_sx, last_sy;
13300   static boolean typing = FALSE;
13301   int letter_element;
13302   int lx = 0, ly = 0;
13303
13304   // map lower case letters to upper case and convert special characters
13305   if (letter >= 'a' && letter <= 'z')
13306     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
13307   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
13308     letter_element = EL_CHAR_AUMLAUT;
13309   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
13310     letter_element = EL_CHAR_OUMLAUT;
13311   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
13312     letter_element = EL_CHAR_UUMLAUT;
13313   else if (letter == '^')
13314     letter_element = EL_CHAR_COPYRIGHT;
13315   else
13316     letter_element = EL_CHAR_ASCII0 + letter;
13317
13318   if (mode != TEXT_INIT)
13319   {
13320     if (!typing)
13321       return FALSE;
13322
13323     if (mode != TEXT_SETCURSOR)
13324     {
13325       sx = last_sx;
13326       sy = last_sy;
13327     }
13328
13329     lx = last_sx + level_xpos;
13330     ly = last_sy + level_ypos;
13331   }
13332
13333   switch (mode)
13334   {
13335     case TEXT_INIT:
13336       if (typing)
13337         DrawLevelText(0, 0, 0, TEXT_END);
13338
13339       typing = TRUE;
13340       start_sx = sx;
13341       last_sx = sx;
13342       last_sy = sy;
13343       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
13344       break;
13345
13346     case TEXT_SETCURSOR:
13347       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
13348       DrawAreaBorder(sx, sy, sx, sy);
13349       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
13350                      ed_tilesize, ed_tilesize);
13351       last_sx = sx;
13352       last_sy = sy;
13353       break;
13354
13355     case TEXT_WRITECHAR:
13356       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
13357       {
13358         if (new_element1 >= EL_STEEL_CHAR_START &&
13359             new_element1 <= EL_STEEL_CHAR_END)
13360           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
13361
13362         delete_buffer[sx - start_sx] = Tile[lx][ly];
13363         Tile[lx][ly] = letter_element;
13364
13365         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
13366           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
13367         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13368           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13369         else
13370           DrawLevelText(0, 0, 0, TEXT_END);
13371
13372         level.changed = TRUE;
13373       }
13374       break;
13375
13376     case TEXT_BACKSPACE:
13377       if (sx > start_sx)
13378       {
13379         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
13380         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
13381         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
13382       }
13383       break;
13384
13385     case TEXT_NEWLINE:
13386       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13387         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13388       else
13389         DrawLevelText(0, 0, 0, TEXT_END);
13390       break;
13391
13392     case TEXT_END:
13393       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13394       DrawEditorElement(sx, sy, Tile[lx][ly]);
13395       StopTextInput();
13396       typing = FALSE;
13397       break;
13398
13399     case TEXT_QUERY_TYPING:
13400       break;
13401
13402     default:
13403       break;
13404   }
13405
13406   return typing;
13407 }
13408
13409 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
13410                           int element, boolean change_level)
13411 {
13412   int lx = sx + level_xpos;
13413   int ly = sy + level_ypos;
13414
13415   if (element == -1)
13416     DrawEditorElement(sx, sy, Tile[lx][ly]);
13417   else
13418     DrawAreaBorder(sx, sy, sx, sy);
13419 }
13420
13421 static void CheckLevelBorderElement(boolean redraw_playfield)
13422 {
13423   int last_border_element = BorderElement;
13424
13425   SetBorderElement();
13426
13427   if (redraw_playfield && BorderElement != last_border_element)
13428     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13429 }
13430
13431 static void CopyLevelToUndoBuffer(int mode)
13432 {
13433   static boolean accumulated_undo = FALSE;
13434   boolean new_undo_buffer_position = TRUE;
13435   int x, y;
13436
13437   if (undo_buffer_steps == 0)
13438     accumulated_undo = FALSE;
13439
13440   switch (mode)
13441   {
13442     case UNDO_IMMEDIATE:
13443       accumulated_undo = FALSE;
13444       break;
13445
13446     case UNDO_ACCUMULATE:
13447       if (accumulated_undo)
13448         new_undo_buffer_position = FALSE;
13449       accumulated_undo = TRUE;
13450       break;
13451
13452     default:
13453       break;
13454   }
13455
13456   if (new_undo_buffer_position)
13457   {
13458     // advance position in undo buffer ring
13459     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13460
13461     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
13462       undo_buffer_steps++;
13463   }
13464
13465   // always reset redo buffer when storing level change into undo buffer
13466   redo_buffer_steps = 0;
13467
13468   for (x = 0; x < lev_fieldx; x++)
13469     for (y = 0; y < lev_fieldy; y++)
13470       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
13471
13472   // check if drawing operation forces change of border style
13473   CheckLevelBorderElement(TRUE);
13474
13475   level.changed = TRUE;
13476 }
13477
13478 static void RandomPlacement(int new_element)
13479 {
13480   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13481   int num_free_positions = 0;
13482   int num_percentage, num_elements;
13483   int x, y;
13484
13485   ResetIntelliDraw();
13486
13487   // determine number of free positions for randomly placing the new element
13488   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
13489   {
13490     free_position[x][y] =
13491       (random_placement_background_restricted ?
13492        Tile[x][y] == random_placement_background_element :
13493        Tile[x][y] != new_element);
13494
13495     if (free_position[x][y])
13496       num_free_positions++;
13497   }
13498
13499   // determine number of new elements to place there
13500   num_percentage = num_free_positions * random_placement_value / 100;
13501   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
13502                   num_percentage : random_placement_value);
13503
13504   // if less free positions than elements to place, fill all these positions
13505   if (num_free_positions < num_elements)
13506   {
13507     for (x = 0; x < lev_fieldx; x++)
13508       for (y = 0; y < lev_fieldy; y++)
13509         if (free_position[x][y])
13510           SetElement(x, y, new_element);
13511   }
13512   else
13513   {
13514     while (num_elements > 0)
13515     {
13516       x = GetSimpleRandom(lev_fieldx);
13517       y = GetSimpleRandom(lev_fieldy);
13518
13519       // don't place element at the same position twice
13520       if (free_position[x][y])
13521       {
13522         free_position[x][y] = FALSE;
13523         SetElement(x, y, new_element);
13524         num_elements--;
13525       }
13526     }
13527   }
13528
13529   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13530   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13531 }
13532
13533 static void WrapLevel(int dx, int dy)
13534 {
13535   int wrap_dx = lev_fieldx - dx;
13536   int wrap_dy = lev_fieldy - dy;
13537   int x, y;
13538
13539   for (x = 0; x < lev_fieldx; x++)
13540     for (y = 0; y < lev_fieldy; y++)
13541       TileBackup[x][y] = Tile[x][y];
13542
13543   for (x = 0; x < lev_fieldx; x++)
13544     for (y = 0; y < lev_fieldy; y++)
13545       Tile[x][y] =
13546         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
13547
13548   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13549   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
13550 }
13551
13552 static void DrawAreaElementHighlight(boolean highlighted,
13553                                      boolean highlighted_similar)
13554 {
13555   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13556
13557   if (!highlighted)
13558     return;
13559
13560   int x, y;
13561
13562   for (x = 0; x < ed_fieldx; x++)
13563   {
13564     for (y = 0; y < ed_fieldy; y++)
13565     {
13566       boolean highlight = FALSE;
13567       int lx = x + level_xpos;
13568       int ly = y + level_ypos;
13569
13570       if (!IN_LEV_FIELD(lx, ly))
13571         continue;
13572
13573       // check if element is the same
13574       if (Tile[lx][ly] == new_element1)
13575         highlight = TRUE;
13576
13577       // check if element is similar
13578       if (highlighted_similar &&
13579           strEqual(element_info[Tile[lx][ly]].class_name,
13580                    element_info[new_element1].class_name))
13581         highlight = TRUE;
13582
13583       // check if element is matching MM style wall
13584       if (IS_MM_WALL(Tile[lx][ly]) &&
13585           map_mm_wall_element(Tile[lx][ly]) == new_element1)
13586         highlight = TRUE;
13587
13588       if (!highlight)
13589         continue;
13590
13591       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
13592       {
13593         int i;
13594
13595         for (i = 0; i < 4; i++)
13596         {
13597           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
13598             continue;
13599
13600           int xx = x * 2 + (i % 2);
13601           int yy = y * 2 + (i / 2);
13602           int sx = SX + xx * ed_tilesize / 2;
13603           int sy = SY + yy * ed_tilesize / 2;
13604           int from_sx = sx;
13605           int from_sy = sy;
13606           int to_sx = sx + ed_tilesize / 2 - 1;
13607           int to_sy = sy + ed_tilesize / 2 - 1;
13608
13609           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13610           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13611           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13612           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13613         }
13614       }
13615       else
13616       {
13617         int sx = SX + x * ed_tilesize;
13618         int sy = SY + y * ed_tilesize;
13619         int from_sx = sx;
13620         int from_sy = sy;
13621         int to_sx = sx + ed_tilesize - 1;
13622         int to_sy = sy + ed_tilesize - 1;
13623
13624         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
13625         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
13626         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
13627         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
13628       }
13629     }
13630   }
13631 }
13632
13633 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
13634 {
13635   char *template_filename_old = getLocalLevelTemplateFilename();
13636   char *template_filename_new =
13637     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
13638
13639   if (copyFile(template_filename_old, template_filename_new) != 0)
13640     Request("Cannot copy level template!", REQ_CONFIRM);
13641
13642   free(template_filename_new);
13643 }
13644
13645 static void HandleDrawingAreas(struct GadgetInfo *gi)
13646 {
13647   static boolean started_inside_drawing_area = FALSE;
13648   static int last_sx = -1;
13649   static int last_sy = -1;
13650   static int last_sx2 = -1;
13651   static int last_sy2 = -1;
13652   int id = gi->custom_id;
13653   int type_id = gi->custom_type_id;
13654   boolean button_press_event;
13655   boolean button_release_event;
13656   boolean inside_drawing_area = !gi->event.off_borders;
13657   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
13658   int actual_drawing_function;
13659   int button = gi->event.button;
13660   int new_element = BUTTON_ELEMENT(button);
13661   int sx = gi->event.x, sy = gi->event.y;
13662   int min_sx = 0, min_sy = 0;
13663   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
13664   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
13665   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
13666   int sx2 = gi->event.mx / mini_item_xsize;
13667   int sy2 = gi->event.my / mini_item_ysize;
13668   int dx = sx2 % 2;
13669   int dy = sy2 % 2;
13670   int lx = 0, ly = 0;
13671   int x, y;
13672
13673   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
13674   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
13675
13676   // make sure to stay inside drawing area boundaries
13677   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13678   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13679
13680   if (draw_level)
13681   {
13682     int min_lx = 0, min_ly = 0;
13683     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13684
13685     // get positions inside level field
13686     lx = sx + level_xpos;
13687     ly = sy + level_ypos;
13688
13689     if (!IN_LEV_FIELD(lx, ly))
13690       inside_drawing_area = FALSE;
13691
13692     // make sure to stay inside level field boundaries
13693     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13694     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13695
13696     // correct drawing area positions accordingly
13697     sx = lx - level_xpos;
13698     sy = ly - level_ypos;
13699   }
13700
13701   // also correct MM wall-sized (double) drawing area positions accordingly
13702   if (sx2 / 2 < sx || sx2 / 2 > sx)
13703   {
13704     dx = (sx2 / 2 < sx ? 0 : 1);
13705     sx2 = sx * 2 + dx;
13706   }
13707   if (sy2 / 2 < sy || sy2 / 2 > sy)
13708   {
13709     dy = (sy2 / 2 < sy ? 0 : 1);
13710     sy2 = sy * 2 + dy;
13711   }
13712
13713   if (!button_press_event && !button_release_event)
13714   {
13715     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
13716     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13717                              isHiresTileElement(old_element) &&
13718                              isHiresDrawElement(new_element));
13719
13720     // prevent handling events for every pixel position when moving mouse
13721     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
13722         (sx2 == last_sx2 && sy2 == last_sy2))
13723       return;
13724   }
13725
13726   last_sx = sx;
13727   last_sy = sy;
13728   last_sx2 = sx2;
13729   last_sy2 = sy2;
13730
13731   if (button_press_event)
13732     started_inside_drawing_area = inside_drawing_area;
13733
13734   if (!started_inside_drawing_area)
13735     return;
13736
13737   if (!IS_VALID_BUTTON(button))
13738     return;
13739
13740   // handle info callback for each invocation of action callback
13741   gi->callback_info(gi);
13742
13743   // automatically switch to 'single item' drawing mode, if needed
13744   actual_drawing_function =
13745     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
13746      drawing_function : GADGET_ID_SINGLE_ITEMS);
13747
13748   // clicking into drawing area with pressed Control key picks element
13749   if (GetKeyModState() & KMOD_Control)
13750   {
13751     last_drawing_function = drawing_function;
13752     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13753   }
13754
13755   if (GetKeyModState() & KMOD_Shift)
13756   {
13757     if (button_press_event || button_release_event)
13758       ResetIntelliDraw();
13759   }
13760
13761   SetDrawModeHiRes(-1);         // reset to normal draw mode
13762
13763   switch (actual_drawing_function)
13764   {
13765     case GADGET_ID_SINGLE_ITEMS:
13766       if (draw_level)
13767       {
13768         if (button_release_event)
13769         {
13770           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13771
13772           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13773               !inside_drawing_area)
13774             DeleteBrushFromCursor();
13775
13776           break;
13777         }
13778
13779         if (draw_with_brush)
13780         {
13781           CopyBrushToLevel(sx, sy, button);
13782         }
13783         else
13784         {
13785           SetDrawModeHiRes(new_element);
13786
13787           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
13788           {
13789             // remove player at old position
13790             for (y = 0; y < lev_fieldy; y++)
13791             {
13792               for (x = 0; x < lev_fieldx; x++)
13793               {
13794                 int old_element = Tile[x][y];
13795
13796                 if (IS_PLAYER_ELEMENT(old_element) &&
13797                     IS_PLAYER_ELEMENT(new_element))
13798                 {
13799                   int replaced_with_element =
13800                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13801                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13802
13803                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13804                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13805
13806                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13807                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13808
13809                      new_element >= EL_PLAYER_1 &&
13810                      new_element <= EL_PLAYER_4 &&
13811                      new_element == old_element ? EL_EMPTY :
13812
13813                      old_element);
13814
13815                   SetElement(x, y, replaced_with_element);
13816                 }
13817                 else if (IS_MM_MCDUFFIN(old_element) &&
13818                          IS_MM_MCDUFFIN(new_element))
13819                 {
13820                   // remove McDuffin at old position
13821                   SetElement(x, y, EL_EMPTY);
13822                 }
13823               }
13824             }
13825           }
13826
13827           SetElementButton(lx, ly, dx, dy, new_element, button);
13828         }
13829       }
13830       else if (!button_release_event)
13831       {
13832         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13833
13834         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13835           DrawMiniGraphicExt(drawto,
13836                              gi->x + sx * MINI_TILEX,
13837                              gi->y + sy * MINI_TILEY,
13838                              el2edimg(new_element));
13839         else
13840           DrawFixedGraphicExt(drawto,
13841                               gi->x + sx * TILEX,
13842                               gi->y + sy * TILEY,
13843                               el2edimg(new_element), 0);
13844
13845         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13846           new_element = GFX_ELEMENT(new_element);
13847
13848         drawingarea_info[type_id].value[pos] = new_element;
13849
13850         CopyElementPropertiesToGame(properties_element);
13851
13852         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13853         {
13854           UpdateCustomElementGraphicGadgets();
13855
13856           FrameCounter = 0;     // restart animation frame counter
13857         }
13858       }
13859       break;
13860
13861     case GADGET_ID_CONNECTED_ITEMS:
13862       {
13863         static int last_sx = -1;
13864         static int last_sy = -1;
13865
13866         if (button_release_event)
13867           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13868
13869         SetDrawModeHiRes(new_element);
13870
13871         if (getDrawModeHiRes())
13872         {
13873           sx = sx2;
13874           sy = sy2;
13875         }
13876
13877         if (!button_press_event)
13878           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13879
13880         last_sx = sx;
13881         last_sy = sy;
13882       }
13883       break;
13884
13885     case GADGET_ID_LINE:
13886     case GADGET_ID_ARC:
13887     case GADGET_ID_RECTANGLE:
13888     case GADGET_ID_FILLED_BOX:
13889       SetDrawModeHiRes(new_element);
13890
13891       if (getDrawModeHiRes())
13892       {
13893         sx = sx2;
13894         sy = sy2;
13895       }
13896       // FALLTHROUGH
13897     case GADGET_ID_GRAB_BRUSH:
13898     case GADGET_ID_TEXT:
13899       {
13900         static int last_sx = -1;
13901         static int last_sy = -1;
13902         static int start_sx = -1;
13903         static int start_sy = -1;
13904         void (*draw_func)(int, int, int, int, int, boolean);
13905
13906         if (drawing_function == GADGET_ID_LINE)
13907           draw_func = DrawLine;
13908         else if (drawing_function == GADGET_ID_ARC)
13909           draw_func = DrawArc;
13910         else if (drawing_function == GADGET_ID_RECTANGLE)
13911           draw_func = DrawBox;
13912         else if (drawing_function == GADGET_ID_FILLED_BOX)
13913           draw_func = DrawFilledBox;
13914         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13915           draw_func = SelectArea;
13916         else // (drawing_function == GADGET_ID_TEXT)
13917           draw_func = SetTextCursor;
13918
13919         if (button_press_event)
13920         {
13921           draw_func(sx, sy, sx, sy, new_element, FALSE);
13922           start_sx = last_sx = sx;
13923           start_sy = last_sy = sy;
13924
13925           if (drawing_function == GADGET_ID_TEXT)
13926             DrawLevelText(0, 0, 0, TEXT_END);
13927         }
13928         else if (button_release_event)
13929         {
13930           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13931           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13932           {
13933             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13934             CopyBrushToCursor(sx, sy);
13935             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13936                           MB_LEFTBUTTON);
13937             draw_with_brush = TRUE;
13938           }
13939           else if (drawing_function == GADGET_ID_TEXT)
13940             DrawLevelText(sx, sy, 0, TEXT_INIT);
13941           else
13942             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13943         }
13944         else if (last_sx != sx || last_sy != sy)
13945         {
13946           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13947           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13948             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13949           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13950           last_sx = sx;
13951           last_sy = sy;
13952         }
13953       }
13954       break;
13955
13956     case GADGET_ID_FLOOD_FILL:
13957       if (button_press_event && Tile[lx][ly] != new_element)
13958       {
13959         if (IS_MM_WALL_EDITOR(new_element))
13960           FloodFillWall_MM(sx2, sy2, new_element);
13961         else
13962           FloodFill(lx, ly, new_element);
13963
13964         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13965         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13966       }
13967       break;
13968
13969     case GADGET_ID_PICK_ELEMENT:
13970       if (button_release_event)
13971         ClickOnGadget(level_editor_gadget[last_drawing_function],
13972                       MB_LEFTBUTTON);
13973       else if (draw_level)
13974         PickDrawingElement(button, Tile[lx][ly]);
13975       else
13976       {
13977         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13978
13979         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13980       }
13981
13982     default:
13983       break;
13984   }
13985
13986   // do not mark level as modified for certain non-level-changing gadgets
13987   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13988        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13989       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13990       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13991     return;
13992
13993   level.changed = TRUE;
13994 }
13995
13996 static void HandleCounterButtons(struct GadgetInfo *gi)
13997 {
13998   int gadget_id = gi->custom_id;
13999   int counter_id = gi->custom_type_id;
14000   int button = gi->event.button;
14001   int *counter_value = counterbutton_info[counter_id].value;
14002   int step = BUTTON_STEPSIZE(button) *
14003     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14004
14005   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14006   {
14007     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14008     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14009     boolean level_changed = LevelChanged();
14010
14011     if ((level_changed && pressed) || (!level_changed && released))
14012       return;
14013
14014     if (level_changed && !Request("Level has changed! Discard changes?",
14015                                   REQ_ASK))
14016     {
14017       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14018         ModifyEditorCounterValue(counter_id, *counter_value);
14019
14020       return;
14021     }
14022   }
14023
14024   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14025     *counter_value = gi->textinput.number_value;
14026   else
14027     ModifyEditorCounterValue(counter_id, *counter_value + step);
14028
14029   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14030   {
14031     int last_game_engine_type = level.game_engine_type;
14032
14033     LoadLevel(level_nr);
14034     LoadScore(level_nr);
14035
14036     SaveLevelSetup_SeriesInfo();
14037
14038     TapeErase();
14039
14040     ResetUndoBuffer();
14041     DrawEditModeWindow();
14042
14043     if (level.game_engine_type != last_game_engine_type)
14044     {
14045       // update element selection list
14046       ReinitializeElementList();
14047       ModifyEditorElementList();
14048     }
14049
14050     return;
14051   }
14052
14053   switch (counter_id)
14054   {
14055     case ED_COUNTER_ID_YAMYAM_CONTENT:
14056       DrawYamYamContentAreas();
14057       break;
14058
14059     case ED_COUNTER_ID_BALL_CONTENT:
14060       DrawMagicBallContentAreas();
14061       break;
14062
14063     case ED_COUNTER_ID_ANDROID_CONTENT:
14064       DrawAndroidElementArea();
14065       break;
14066
14067     case ED_COUNTER_ID_GROUP_CONTENT:
14068       DrawGroupElementArea();
14069       CopyGroupElementPropertiesToGame(properties_element);
14070       break;
14071
14072     case ED_COUNTER_ID_INVENTORY_SIZE:
14073       DrawPlayerInitialInventoryArea(properties_element);
14074       break;
14075
14076     case ED_COUNTER_ID_MM_BALL_CONTENT:
14077       DrawMMBallContentArea();
14078       break;
14079
14080     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14081     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14082       DrawEnvelopeTextArea(-1);
14083       break;
14084
14085     case ED_COUNTER_ID_LEVEL_XSIZE:
14086     case ED_COUNTER_ID_LEVEL_YSIZE:
14087       lev_fieldx = level.fieldx;
14088       lev_fieldy = level.fieldy;
14089
14090       // check if resizing of level results in change of border border
14091       SetBorderElement();
14092
14093       break;
14094
14095     default:
14096       break;
14097   }
14098
14099   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14100        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14101       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14102        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14103     CopyElementPropertiesToGame(properties_element);
14104
14105   // do not mark level as modified for certain non-level-changing gadgets
14106   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14107        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14108       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14109        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14110     return;
14111
14112   level.changed = TRUE;
14113 }
14114
14115 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14116 {
14117   int type_id = gi->custom_type_id;
14118
14119   strcpy(textinput_info[type_id].value, gi->textinput.value);
14120
14121   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14122   {
14123     CopyElementPropertiesToGame(properties_element);
14124
14125     ModifyEditorElementList();  // update changed button info text
14126   }
14127
14128   // do not mark level as modified for certain non-level-changing gadgets
14129   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14130       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14131     return;
14132
14133   level.changed = TRUE;
14134 }
14135
14136 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14137 {
14138   int type_id = gi->custom_type_id;
14139
14140   strncpy(textarea_info[type_id].value, gi->textarea.value,
14141           MAX_ENVELOPE_TEXT_LEN);
14142   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14143
14144   level.changed = TRUE;
14145 }
14146
14147 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14148 {
14149   int type_id = gi->custom_type_id;
14150   int value_old = *selectbox_info[type_id].value;
14151   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14152
14153   *selectbox_info[type_id].value = value_new;
14154
14155   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14156   {
14157     DrawLevelConfigWindow();
14158   }
14159   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14160   {
14161     element_info[properties_element].current_change_page = gi->selectbox.index;
14162
14163     DrawPropertiesWindow();
14164   }
14165   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14166             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14167            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14168             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14169            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14170   {
14171     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14172     {
14173       // when changing action type, also check action mode and action arg
14174       if (value_old != value_new)
14175         setSelectboxSpecialActionVariablesIfNeeded();
14176
14177       DrawPropertiesChange();
14178     }
14179
14180     CopyElementPropertiesToGame(properties_element);
14181   }
14182   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14183   {
14184     // update element selection list
14185     ReinitializeElementList();
14186     ModifyEditorElementList();
14187   }
14188
14189   // do not mark level as modified for certain non-level-changing gadgets
14190   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14191       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14192     return;
14193
14194   level.changed = TRUE;
14195 }
14196
14197 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14198 {
14199   int type_id = gi->custom_type_id;
14200   int i;
14201
14202   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14203       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14204   {
14205     edit_mode_levelconfig = gi->custom_type_id;
14206
14207     DrawLevelConfigWindow();
14208   }
14209   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14210            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14211   {
14212     edit_mode_properties = gi->custom_type_id;
14213
14214     DrawPropertiesWindow();
14215   }
14216   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14217            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14218   {
14219     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14220
14221     // backup original "level.field" (needed to track playfield changes)
14222     CopyPlayfield(level.field, TileBackup);
14223
14224     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14225     CopyPlayfield(Tile, level.field);
14226
14227     if (new_template ||
14228         Request("Save this template and kill the old?", REQ_ASK))
14229       SaveLevelTemplate();
14230
14231     if (new_template)
14232       Request("Template saved!", REQ_CONFIRM);
14233
14234     // restore original "level.field" (needed to track playfield changes)
14235     CopyPlayfield(TileBackup, level.field);
14236   }
14237   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14238   {
14239     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14240
14241     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14242         leveldir_current->readonly)
14243     {
14244       Request("This level set is read-only!", REQ_CONFIRM);
14245
14246       return;
14247     }
14248
14249     if (strEqual(levelset_name, ""))
14250     {
14251       Request("Please enter level set title!", REQ_CONFIRM);
14252
14253       return;
14254     }
14255
14256     if (strEqual(levelset_author, ""))
14257     {
14258       Request("Please enter level set author!", REQ_CONFIRM);
14259
14260       return;
14261     }
14262
14263     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14264     {
14265       if (UpdateUserLevelSet(levelset_subdir,
14266                              levelset_name,
14267                              levelset_author,
14268                              levelset_num_levels))
14269       {
14270         Request("Level set updated!", REQ_CONFIRM);
14271       }
14272       else
14273       {
14274         Request("Updating level set failed!", REQ_CONFIRM);
14275       }
14276     }
14277     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
14278     {
14279       if (level.changed && !Request("Level has changed! Discard changes?",
14280                                      REQ_ASK))
14281         return;
14282
14283       if (CreateUserLevelSet(levelset_subdir,
14284                              levelset_name,
14285                              levelset_author,
14286                              levelset_num_levels,
14287                              levelset_use_levelset_artwork))
14288       {
14289         if (levelset_copy_level_template)
14290           CopyLevelTemplateToUserLevelSet(levelset_subdir);
14291
14292         Request("New level set created!", REQ_CONFIRM);
14293
14294         AddUserLevelSetToLevelInfo(levelset_subdir);
14295         ChangeEditorToLevelSet(levelset_subdir);
14296       }
14297       else
14298       {
14299         Request("Creating new level set failed!", REQ_CONFIRM);
14300       }
14301     }
14302   }
14303   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
14304            custom_element.num_change_pages < MAX_CHANGE_PAGES)
14305   {
14306     struct ElementInfo *ei = &element_info[properties_element];
14307
14308     // when modifying custom element, ask for copying level template
14309     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14310       return;
14311
14312     setElementChangePages(ei, ei->num_change_pages + 1);
14313
14314     // set new change page to be new current change page
14315     ei->current_change_page = ei->num_change_pages - 1;
14316     ei->change = &ei->change_page[ei->current_change_page];
14317
14318     setElementChangeInfoToDefaults(ei->change);
14319
14320     DrawPropertiesWindow();
14321
14322     level.changed = TRUE;
14323   }
14324   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
14325            custom_element.num_change_pages > MIN_CHANGE_PAGES)
14326   {
14327     struct ElementInfo *ei = &element_info[properties_element];
14328
14329     // when modifying custom element, ask for copying level template
14330     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14331       return;
14332
14333     // copy all change pages after change page to be deleted
14334     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
14335       ei->change_page[i] = ei->change_page[i + 1];
14336
14337     setElementChangePages(ei, ei->num_change_pages - 1);
14338
14339     DrawPropertiesWindow();
14340
14341     level.changed = TRUE;
14342   }
14343 }
14344
14345 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
14346 {
14347   int type_id = gi->custom_type_id;
14348
14349   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
14350       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
14351   {
14352     struct ElementInfo *ei = &element_info[properties_element];
14353     int step = BUTTON_STEPSIZE(gi->event.button);
14354
14355     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
14356     ei->current_change_page += step;
14357
14358     if (ei->current_change_page < 0)
14359       ei->current_change_page = 0;
14360     else if (ei->current_change_page >= ei->num_change_pages)
14361       ei->current_change_page = ei->num_change_pages - 1;
14362
14363     DrawPropertiesWindow();
14364   }
14365   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
14366            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14367   {
14368     struct ElementInfo *ei = &element_info[properties_element];
14369     int current_change_page = ei->current_change_page;
14370
14371     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
14372     {
14373       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
14374         ei->change_page[current_change_page];
14375     }
14376     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14377     {
14378       // when modifying custom element, ask for copying level template
14379       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14380         return;
14381
14382       ei->change_page[current_change_page] =
14383         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
14384
14385       level.changed = TRUE;
14386     }
14387
14388     DrawPropertiesWindow();
14389   }
14390 }
14391
14392 static void HandleRadiobuttons(struct GadgetInfo *gi)
14393 {
14394   int type_id = gi->custom_type_id;
14395
14396   *radiobutton_info[type_id].value =
14397     radiobutton_info[type_id].checked_value;
14398
14399   // do not mark level as modified for certain non-level-changing gadgets
14400   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
14401       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
14402     return;
14403
14404   level.changed = TRUE;
14405 }
14406
14407 static void HandleCheckbuttons(struct GadgetInfo *gi)
14408 {
14409   int type_id = gi->custom_type_id;
14410
14411   *checkbutton_info[type_id].value ^= TRUE;
14412
14413   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
14414       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
14415       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
14416       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
14417          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
14418         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
14419          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
14420        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
14421   {
14422     CopyElementPropertiesToGame(properties_element);
14423   }
14424
14425   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
14426   {
14427     UpdateCustomElementGraphicGadgets();
14428   }
14429   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
14430            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
14431   {
14432     boolean template_related_changes_found = FALSE;
14433     int i;
14434
14435     // check if any custom, group or empty elements have been changed
14436     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
14437       if ((IS_CUSTOM_ELEMENT(i) ||
14438            IS_GROUP_ELEMENT(i) ||
14439            IS_EMPTY_ELEMENT(i)) &&
14440           element_info[i].modified_settings)
14441         template_related_changes_found = TRUE;
14442
14443     if (level.use_custom_template &&
14444         !fileExists(getGlobalLevelTemplateFilename()))
14445     {
14446       Request("No level template found!", REQ_CONFIRM);
14447
14448       level.use_custom_template = FALSE;
14449
14450       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14451
14452       return;
14453     }
14454
14455     if (level.use_custom_template &&
14456         template_related_changes_found &&
14457         !Request("Discard changes and use level template?", REQ_ASK))
14458     {
14459       level.use_custom_template = FALSE;
14460
14461       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14462
14463       return;
14464     }
14465
14466     if (!level.use_custom_template &&
14467         Request("Copy settings from level template?", REQ_ASK))
14468     {
14469       return;
14470     }
14471
14472     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
14473
14474     DrawEditModeWindow();
14475   }
14476   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
14477   {
14478     if (setup.editor.use_template_for_new_levels &&
14479         !fileExists(getGlobalLevelTemplateFilename()))
14480     {
14481       Request("No level template found!", REQ_CONFIRM);
14482
14483       return;
14484     }
14485
14486     if (setup.editor.use_template_for_new_levels &&
14487         level.changed &&
14488         !Request("Discard level and load template?", REQ_ASK))
14489     {
14490       return;
14491     }
14492
14493     if (!setup.editor.use_template_for_new_levels &&
14494         level.changed &&
14495         !Request("Discard level and use empty level?", REQ_ASK))
14496     {
14497       return;
14498     }
14499
14500     LoadLevel(level_nr);
14501     LoadScore(level_nr);
14502
14503     TapeErase();
14504
14505     ResetUndoBuffer();
14506     DrawEditModeWindow();
14507   }
14508   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
14509   {
14510     SetAutomaticNumberOfGemsNeeded();
14511   }
14512
14513   // do not mark level as modified for certain non-level-changing gadgets
14514   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
14515        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
14516       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
14517        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
14518        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
14519       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
14520     return;
14521
14522   level.changed = TRUE;
14523 }
14524
14525 static void HandleControlButtons(struct GadgetInfo *gi)
14526 {
14527   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
14528   static int last_edit_mode = ED_MODE_DRAWING;
14529   static int last_custom_copy_mode = -1;
14530   static int last_button = 0;
14531   int id = gi->custom_id;
14532   int button = gi->event.button;
14533   int step = BUTTON_STEPSIZE(button);
14534   int new_element = BUTTON_ELEMENT(button);
14535   int last_properties_element = properties_element;
14536   int x, y;
14537
14538   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
14539     DrawLevelText(0, 0, 0, TEXT_END);
14540
14541   if (id < ED_NUM_CTRL1_BUTTONS &&
14542       id != GADGET_ID_SINGLE_ITEMS &&
14543       id != GADGET_ID_PICK_ELEMENT &&
14544       edit_mode != ED_MODE_DRAWING &&
14545       drawing_function != GADGET_ID_PICK_ELEMENT &&
14546       !(GetKeyModState() & KMOD_Control))
14547     ChangeEditModeWindow(ED_MODE_DRAWING);
14548
14549   // element copy mode active, but no element button pressed => deactivate
14550   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
14551     last_custom_copy_mode = -1;
14552
14553   // when showing palette on element buttons, change element of button used
14554   if (editor.palette.show_on_element_buttons &&
14555       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
14556   {
14557     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
14558
14559     id = GADGET_ID_PALETTE;
14560   }
14561
14562   switch (id)
14563   {
14564     case GADGET_ID_SCROLL_LEFT:
14565       if (level_xpos >= 0)
14566       {
14567         if (lev_fieldx < ed_fieldx - 2)
14568           break;
14569
14570         level_xpos -= step;
14571         if (level_xpos < -1)
14572           level_xpos = -1;
14573         if (button == 1)
14574           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
14575         else
14576           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14577
14578         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
14579                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
14580       }
14581       break;
14582
14583     case GADGET_ID_SCROLL_RIGHT:
14584       if (level_xpos <= lev_fieldx - ed_fieldx)
14585       {
14586         if (lev_fieldx < ed_fieldx - 2)
14587           break;
14588
14589         level_xpos += step;
14590         if (level_xpos > lev_fieldx - ed_fieldx + 1)
14591           level_xpos = lev_fieldx - ed_fieldx + 1;
14592         if (button == 1)
14593           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
14594         else
14595           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14596
14597         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
14598                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
14599       }
14600       break;
14601
14602     case GADGET_ID_SCROLL_UP:
14603       if (level_ypos >= 0)
14604       {
14605         if (lev_fieldy < ed_fieldy - 2)
14606           break;
14607
14608         level_ypos -= step;
14609         if (level_ypos < -1)
14610           level_ypos = -1;
14611         if (button == 1)
14612           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
14613         else
14614           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14615
14616         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14617                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14618       }
14619       break;
14620
14621     case GADGET_ID_SCROLL_DOWN:
14622       if (level_ypos <= lev_fieldy - ed_fieldy)
14623       {
14624         if (lev_fieldy < ed_fieldy - 2)
14625           break;
14626
14627         level_ypos += step;
14628         if (level_ypos > lev_fieldy - ed_fieldy + 1)
14629           level_ypos = lev_fieldy - ed_fieldy + 1;
14630         if (button == 1)
14631           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
14632         else
14633           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14634
14635         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
14636                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
14637       }
14638       break;
14639
14640     case GADGET_ID_SCROLL_HORIZONTAL:
14641       level_xpos = gi->event.item_position - 1;
14642
14643       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14644       BackToFront();
14645
14646       break;
14647
14648     case GADGET_ID_SCROLL_VERTICAL:
14649       level_ypos = gi->event.item_position - 1;
14650
14651       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14652       BackToFront();
14653
14654       break;
14655
14656     case GADGET_ID_SCROLL_LIST_UP:
14657     case GADGET_ID_SCROLL_LIST_DOWN:
14658     case GADGET_ID_SCROLL_LIST_VERTICAL:
14659       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
14660         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
14661       else
14662       {
14663         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
14664         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14665
14666         if (element_shift < 0)
14667           element_shift = 0;
14668         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14669           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14670
14671         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14672                      GDI_SCROLLBAR_ITEM_POSITION,
14673                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14674       }
14675
14676       ModifyEditorElementList();
14677
14678       break;
14679
14680     case GADGET_ID_PROPERTIES:
14681       // always switch off element properties when they are already displayed
14682       last_properties_element = new_element;
14683     case GADGET_ID_ELEMENT_LEFT:
14684     case GADGET_ID_ELEMENT_MIDDLE:
14685     case GADGET_ID_ELEMENT_RIGHT:
14686       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
14687                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
14688                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
14689                             new_element);
14690
14691       if (edit_mode != ED_MODE_PROPERTIES)
14692       {
14693         last_edit_mode = edit_mode;
14694
14695         ChangeEditModeWindow(ED_MODE_PROPERTIES);
14696
14697         last_level_drawing_function = drawing_function;
14698         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14699                       MB_LEFTBUTTON);
14700       }
14701       else if (properties_element != last_properties_element)
14702       {
14703         DrawEditModeWindow();
14704       }
14705       else
14706       {
14707         ChangeEditModeWindow(ED_MODE_DRAWING);
14708
14709         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
14710                       MB_LEFTBUTTON);
14711       }
14712       break;
14713
14714     case GADGET_ID_PALETTE:
14715       if (edit_mode != ED_MODE_PALETTE)
14716       {
14717         last_edit_mode = edit_mode;
14718
14719         ChangeEditModeWindow(ED_MODE_PALETTE);
14720       }
14721       else
14722       {
14723         ChangeEditModeWindow(last_edit_mode);
14724       }
14725       break;
14726
14727     case GADGET_ID_WRAP_LEFT:
14728       WrapLevel(-step, 0);
14729       break;
14730
14731     case GADGET_ID_WRAP_RIGHT:
14732       WrapLevel(step, 0);
14733       break;
14734
14735     case GADGET_ID_WRAP_UP:
14736       WrapLevel(0, -step);
14737       break;
14738
14739     case GADGET_ID_WRAP_DOWN:
14740       WrapLevel(0, step);
14741       break;
14742
14743     case GADGET_ID_SINGLE_ITEMS:
14744     case GADGET_ID_CONNECTED_ITEMS:
14745     case GADGET_ID_LINE:
14746     case GADGET_ID_ARC:
14747     case GADGET_ID_TEXT:
14748     case GADGET_ID_RECTANGLE:
14749     case GADGET_ID_FILLED_BOX:
14750     case GADGET_ID_FLOOD_FILL:
14751     case GADGET_ID_GRAB_BRUSH:
14752     case GADGET_ID_PICK_ELEMENT:
14753       if (drawing_function != GADGET_ID_PICK_ELEMENT)
14754         last_drawing_function = drawing_function;
14755       drawing_function = id;
14756       draw_with_brush = FALSE;
14757       break;
14758
14759     case GADGET_ID_RANDOM_PLACEMENT:
14760       RandomPlacement(new_element);
14761       break;
14762
14763     case GADGET_ID_ZOOM:
14764       // zoom level editor tile size in or out (or reset to default size)
14765       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
14766                      button == 2 ? ed_tilesize_default :
14767                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
14768
14769       // when using touch device, cycle through all zoom tilesizes
14770       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
14771         ed_tilesize = MICRO_TILESIZE;
14772
14773       // limit zoom level by upper and lower bound
14774       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
14775
14776       InitZoomLevelSettings(ed_tilesize);
14777
14778       if (edit_mode == ED_MODE_DRAWING)
14779       {
14780         DrawDrawingWindow();
14781
14782         // redraw zoom gadget info text
14783         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14784       }
14785
14786       // save current editor zoom tilesize
14787       SaveSetup_AutoSetup();
14788
14789       break;
14790
14791     case GADGET_ID_CUSTOM_COPY_FROM:
14792     case GADGET_ID_CUSTOM_COPY_TO:
14793     case GADGET_ID_CUSTOM_EXCHANGE:
14794       last_custom_copy_mode = id;
14795       last_drawing_function = drawing_function;
14796       break;
14797
14798     case GADGET_ID_CUSTOM_COPY:
14799       CopyCustomElement(properties_element, -1, id);
14800       break;
14801
14802     case GADGET_ID_CUSTOM_PASTE:
14803       CopyCustomElement(-1, properties_element, id);
14804       break;
14805
14806     case GADGET_ID_UNDO:
14807       if (button < 0)   // keep button value (even if modifier keys are pressed)
14808         button = -button;
14809       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14810         button = 3;
14811
14812       if (button == 1 && undo_buffer_steps == 0)
14813       {
14814         Request("Undo buffer empty!", REQ_CONFIRM);
14815
14816         break;
14817       }
14818       else if (button == 2)
14819       {
14820         break;
14821       }
14822       else if (button == 3 && redo_buffer_steps == 0)
14823       {
14824         Request("Redo buffer empty!", REQ_CONFIRM);
14825
14826         break;
14827       }
14828
14829       if (edit_mode != ED_MODE_DRAWING)
14830         ChangeEditModeWindow(ED_MODE_DRAWING);
14831
14832       if (button == 1)
14833       {
14834         // undo
14835
14836         undo_buffer_position =
14837           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14838
14839         undo_buffer_steps--;
14840         redo_buffer_steps++;
14841       }
14842       else
14843       {
14844         // redo
14845
14846         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14847
14848         undo_buffer_steps++;
14849         redo_buffer_steps--;
14850       }
14851
14852       for (x = 0; x < lev_fieldx; x++)
14853         for (y = 0; y < lev_fieldy; y++)
14854           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14855
14856       // check if undo operation forces change of border style
14857       CheckLevelBorderElement(FALSE);
14858
14859       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14860
14861       break;
14862
14863     case GADGET_ID_CONF:
14864       if (edit_mode != ED_MODE_LEVELCONFIG)
14865       {
14866         last_edit_mode = edit_mode;
14867
14868         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
14869       }
14870       else
14871       {
14872         ChangeEditModeWindow(ED_MODE_DRAWING);
14873       }
14874       break;
14875
14876     case GADGET_ID_CLEAR:
14877       if (edit_mode != ED_MODE_DRAWING)
14878         ChangeEditModeWindow(ED_MODE_DRAWING);
14879
14880       for (x = 0; x < MAX_LEV_FIELDX; x++)
14881         for (y = 0; y < MAX_LEV_FIELDY; y++)
14882           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14883
14884       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14885
14886       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14887       break;
14888
14889     case GADGET_ID_SAVE:
14890     {
14891       // saving read-only levels into personal level set modifies global vars
14892       // "leveldir_current" and "level_nr"; restore them after saving level
14893       LevelDirTree *leveldir_former = leveldir_current;
14894       int level_nr_former = level_nr;
14895       char *level_filename;
14896       boolean new_level;
14897
14898       if (leveldir_current->readonly &&
14899           !PrepareSavingIntoPersonalLevelSet())
14900         break;
14901
14902       level_filename = getDefaultLevelFilename(level_nr);
14903       new_level = !fileExists(level_filename);
14904
14905       if (new_level ||
14906           Request("Save this level and kill the old?", REQ_ASK))
14907       {
14908         if (leveldir_former->readonly)
14909           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
14910
14911         SetAutomaticNumberOfGemsNeeded();
14912
14913         CopyPlayfield(Tile, level.field);
14914         SaveLevel(level_nr);
14915
14916         level.changed = FALSE;
14917
14918         if (new_level)
14919         {
14920           char level_saved_msg[64];
14921
14922           if (leveldir_former->readonly)
14923             sprintf(level_saved_msg,
14924                     "Level saved as level %d into personal level set!",
14925                     level_nr);
14926           else
14927             strcpy(level_saved_msg, "Level saved!");
14928
14929           Request(level_saved_msg, REQ_CONFIRM);
14930         }
14931       }
14932
14933       // "cd" back to copied-from levelset (in case of saved read-only level)
14934       leveldir_current = leveldir_former;
14935       level_nr = level_nr_former;
14936
14937       break;
14938     }
14939
14940     case GADGET_ID_TEST:
14941       if (LevelChanged())
14942         level.game_version = GAME_VERSION_ACTUAL;
14943
14944       CopyPlayfield(level.field, TileBackup);
14945       CopyPlayfield(Tile, level.field);
14946
14947       CopyNativeLevel_RND_to_Native(&level);
14948
14949       UnmapLevelEditorGadgets();
14950       UndrawSpecialEditorDoor();
14951
14952       CloseDoor(DOOR_CLOSE_ALL);
14953
14954       // needed before playing if editor playfield area has different size
14955       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14956
14957       // redraw_mask = REDRAW_ALL;
14958
14959       level_editor_test_game = TRUE;
14960
14961       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14962
14963       break;
14964
14965     case GADGET_ID_EXIT:
14966       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14967       break;
14968
14969     default:
14970       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14971           id <= GADGET_ID_ELEMENTLIST_LAST)
14972       {
14973         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14974
14975         new_element = editor_elements[element_position + element_shift];
14976
14977         if (IS_EDITOR_CASCADE(new_element))
14978         {
14979           int i;
14980
14981           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14982           {
14983             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
14984             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
14985
14986             if (*cascade_element == new_element)
14987             {
14988               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14989               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14990
14991               // update element selection list
14992               ReinitializeElementList();
14993               ModifyEditorElementList();
14994
14995               // update cascading gadget info text
14996               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14997
14998               // save current editor cascading state
14999               SaveSetup_EditorCascade();
15000
15001               break;
15002             }
15003           }
15004
15005           break;
15006         }
15007
15008         if (last_custom_copy_mode != -1)
15009         {
15010           if (CopyCustomElement(properties_element, new_element,
15011                                 last_custom_copy_mode))
15012           {
15013             ClickOnGadget(level_editor_gadget[last_drawing_function],
15014                           MB_LEFTBUTTON);
15015
15016             last_custom_copy_mode = -1;
15017           }
15018
15019           break;
15020         }
15021
15022         // change element of button used to show palette
15023         if (editor.palette.show_on_element_buttons)
15024           button = last_button;
15025
15026         PickDrawingElement(button, new_element);
15027
15028         if (!stick_element_properties_window &&
15029             drawing_function != GADGET_ID_PICK_ELEMENT &&
15030             !(GetKeyModState() & KMOD_Control))
15031         {
15032           properties_element = new_element;
15033           if (edit_mode == ED_MODE_PROPERTIES)
15034             DrawPropertiesWindow();
15035         }
15036
15037         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15038           ClickOnGadget(level_editor_gadget[last_drawing_function],
15039                         MB_LEFTBUTTON);
15040
15041         if (!use_permanent_palette)
15042           ChangeEditModeWindow(last_edit_mode);
15043       }
15044 #ifdef DEBUG
15045       else if (gi->event.type == GD_EVENT_PRESSED)
15046         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15047       else if (gi->event.type == GD_EVENT_RELEASED)
15048         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15049       else if (gi->event.type == GD_EVENT_MOVING)
15050         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15051       else
15052         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15053 #endif
15054       break;
15055   }
15056 }
15057
15058 void HandleLevelEditorKeyInput(Key key)
15059 {
15060   char letter = getCharFromKey(key);
15061
15062   if (drawing_function == GADGET_ID_TEXT &&
15063       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15064   {
15065     if (letter)
15066       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15067     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15068       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15069     else if (key == KSYM_Return)
15070       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15071     else if (key == KSYM_Escape)
15072       DrawLevelText(0, 0, 0, TEXT_END);
15073
15074     return;
15075   }
15076
15077   int id = GADGET_ID_NONE;
15078   int new_element_shift = element_shift;
15079   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15080   int button = MB_LEFTBUTTON;
15081   int i;
15082
15083   switch (key)
15084   {
15085     case KSYM_Left:
15086       id = GADGET_ID_SCROLL_LEFT;
15087       break;
15088     case KSYM_Right:
15089       id = GADGET_ID_SCROLL_RIGHT;
15090       break;
15091     case KSYM_Up:
15092       id = GADGET_ID_SCROLL_UP;
15093       break;
15094     case KSYM_Down:
15095       id = GADGET_ID_SCROLL_DOWN;
15096       break;
15097
15098     case KSYM_Page_Up:
15099     case KSYM_Page_Down:
15100       step *= (key == KSYM_Page_Up ? -1 : +1);
15101       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15102
15103       if (element_shift < 0)
15104         element_shift = 0;
15105       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15106         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15107
15108       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15109                    GDI_SCROLLBAR_ITEM_POSITION,
15110                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15111
15112       ModifyEditorElementList();
15113
15114       break;
15115
15116     case KSYM_Home:
15117     case KSYM_End:
15118       element_shift = (key == KSYM_Home ? 0 :
15119                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15120
15121       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15122                    GDI_SCROLLBAR_ITEM_POSITION,
15123                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15124
15125       ModifyEditorElementList();
15126
15127       break;
15128
15129     case KSYM_Insert:
15130     case KSYM_Delete:
15131
15132       // this is needed to prevent interference with running "True X-Mouse"
15133       if (GetKeyModStateFromEvents() & KMOD_Control)
15134         break;
15135
15136       // check for last or next editor cascade block in element list
15137       for (i = 0; i < num_editor_elements; i++)
15138       {
15139         if ((key == KSYM_Insert && i == element_shift) ||
15140             (key == KSYM_Delete && new_element_shift > element_shift))
15141           break;
15142
15143         // jump to next cascade block (or to start of element list)
15144         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15145           new_element_shift = i;
15146       }
15147
15148       if (i < num_editor_elements)
15149         element_shift = new_element_shift;
15150
15151       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15152         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15153
15154       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15155                    GDI_SCROLLBAR_ITEM_POSITION,
15156                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15157
15158       ModifyEditorElementList();
15159
15160       break;
15161
15162     case KSYM_Escape:
15163       if (edit_mode == ED_MODE_DRAWING)
15164         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15165       else if (edit_mode == ED_MODE_LEVELCONFIG)
15166         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15167       else if (edit_mode == ED_MODE_PROPERTIES)
15168         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15169       else if (edit_mode == ED_MODE_PALETTE)
15170         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15171       else              // should never happen
15172         ChangeEditModeWindow(ED_MODE_DRAWING);
15173
15174       break;
15175
15176     default:
15177       break;
15178   }
15179
15180   if (id != GADGET_ID_NONE)
15181     ClickOnGadget(level_editor_gadget[id], button);
15182   else if (letter == '1' || letter == '?')
15183     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15184   else if (letter == '2')
15185     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15186   else if (letter == '3')
15187     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15188   else if (letter == '.')
15189     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15190   else if (letter == 'U')
15191     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15192   else if (letter == '-' || key == KSYM_KP_Subtract)
15193     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15194   else if (letter == '0' || key == KSYM_KP_0)
15195     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15196   else if (letter == '+' || key == KSYM_KP_Add ||
15197            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15198     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15199   else if (key == KSYM_Return ||
15200            key == KSYM_space ||
15201            key == setup.shortcut.toggle_pause)
15202     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15203   else
15204     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15205       if (letter && letter == controlbutton_info[i].shortcut)
15206         if (!anyTextGadgetActive())
15207           ClickOnGadget(level_editor_gadget[i], button);
15208
15209   if (draw_with_brush)
15210   {
15211     if (letter == 'x')
15212       FlipBrushX();
15213     else if (letter == 'y')
15214       FlipBrushY();
15215     else if (letter == 'z')
15216       RotateBrush();
15217   }
15218 }
15219
15220 static void HandleLevelEditorIdle_Properties(void)
15221 {
15222   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15223   int x = editor.settings.element_graphic.x + element_border;
15224   int y = editor.settings.element_graphic.y + element_border;
15225   static DelayCounter action_delay = { 0 };
15226   int i;
15227
15228   action_delay.value = GameFrameDelay;
15229
15230   if (!DelayReached(&action_delay))
15231     return;
15232
15233   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15234   {
15235     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15236
15237     if (gi->mapped && gi->active && gi->selectbox.open)
15238       return;
15239   }
15240
15241   DrawEditorElementAnimation(SX + x, SY + y);
15242
15243   redraw_mask |= REDRAW_FIELD;
15244
15245   FrameCounter++;       // increase animation frame counter
15246 }
15247
15248 static void HandleLevelEditorIdle_Drawing(void)
15249 {
15250   static boolean last_highlighted = FALSE;
15251   static boolean last_highlighted_similar = FALSE;
15252   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15253   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15254
15255   if (highlighted != last_highlighted ||
15256       (highlighted && highlighted_similar != last_highlighted_similar))
15257   {
15258     DrawAreaElementHighlight(highlighted, highlighted_similar);
15259
15260     redraw_mask |= REDRAW_FIELD;
15261   }
15262
15263   last_highlighted = highlighted;
15264   last_highlighted_similar = highlighted_similar;
15265 }
15266
15267 void HandleLevelEditorIdle(void)
15268 {
15269   if (edit_mode == ED_MODE_PROPERTIES)
15270     HandleLevelEditorIdle_Properties();
15271   else if (edit_mode == ED_MODE_DRAWING)
15272     HandleLevelEditorIdle_Drawing();
15273 }
15274
15275 static void ClearEditorGadgetInfoText(void)
15276 {
15277   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
15278 }
15279
15280 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
15281 {
15282   char infotext[MAX_OUTPUT_LINESIZE + 1];
15283   int max_infotext_len = getMaxInfoTextLength();
15284
15285   if (gi == NULL || strlen(gi->info_text) == 0)
15286     return;
15287
15288   strncpy(infotext, gi->info_text, max_infotext_len);
15289   infotext[max_infotext_len] = '\0';
15290
15291   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
15292   {
15293     int key = controlbutton_info[gi->custom_id].shortcut;
15294
15295     if (key)
15296     {
15297       char shortcut[MAX_OUTPUT_LINESIZE + 1];
15298
15299       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
15300         sprintf(shortcut, " ('.' or '%c')", key);
15301       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
15302         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
15303       else if (gi->custom_id == GADGET_ID_TEST)
15304         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
15305       else if (gi->custom_id == GADGET_ID_UNDO)
15306         sprintf(shortcut, " ('%c/Shift-U')", key);
15307       else if (gi->custom_id == GADGET_ID_ZOOM)
15308         sprintf(shortcut, " ('%c', '0', '-')", key);
15309       else
15310         sprintf(shortcut, " ('%s%c')",
15311                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
15312
15313       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
15314         strcat(infotext, shortcut);
15315     }
15316   }
15317
15318   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
15319 }
15320
15321 void HandleEditorGadgetInfoText(void *ptr)
15322 {
15323   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
15324
15325   if (game_status != GAME_MODE_EDITOR)
15326     return;
15327
15328   ClearEditorGadgetInfoText();
15329
15330   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
15331     return;
15332
15333   // misuse this function to delete brush cursor, if needed
15334   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
15335     DeleteBrushFromCursor();
15336
15337   PrintEditorGadgetInfoText(gi);
15338 }
15339
15340 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
15341 {
15342   int id = gi->custom_id;
15343   int type_id = gi->custom_type_id;
15344   int sx = gi->event.x;
15345   int sy = gi->event.y;
15346   int lx = sx + level_xpos;
15347   int ly = sy + level_ypos;
15348   int min_sx = 0, min_sy = 0;
15349   int max_sx = gi->drawing.area_xsize - 1;
15350   int max_sy = gi->drawing.area_ysize - 1;
15351   int actual_drawing_function = drawing_function;
15352   int max_infotext_len = getMaxInfoTextLength();
15353   char infotext[MAX_OUTPUT_LINESIZE + 1];
15354
15355   infotext[0] = '\0';           // start with empty info text
15356
15357   // pressed Control key: simulate picking element
15358   if (GetKeyModState() & KMOD_Control)
15359     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15360
15361   ClearEditorGadgetInfoText();
15362
15363   if (gi->event.type == GD_EVENT_INFO_LEAVING)
15364     return;
15365
15366   // make sure to stay inside drawing area boundaries
15367   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15368   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15369
15370   if (id == GADGET_ID_DRAWING_LEVEL)
15371   {
15372     if (button_status)
15373     {
15374       int min_lx = 0, min_ly = 0;
15375       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15376
15377       // get positions inside level field
15378       lx = sx + level_xpos;
15379       ly = sy + level_ypos;
15380
15381       // make sure to stay inside level field boundaries
15382       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15383       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15384
15385       // correct drawing area positions accordingly
15386       sx = lx - level_xpos;
15387       sy = ly - level_ypos;
15388     }
15389
15390     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15391     {
15392       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
15393       {
15394         static int start_lx = 0;
15395         static int start_ly = 0;
15396         char *text;
15397
15398         if (gi->event.type == GD_EVENT_PRESSED)
15399         {
15400           start_lx = lx;
15401           start_ly = ly;
15402         }
15403
15404         switch (actual_drawing_function)
15405         {
15406           case GADGET_ID_SINGLE_ITEMS:
15407             text = "Drawing single items";
15408             break;
15409           case GADGET_ID_CONNECTED_ITEMS:
15410             text = "Drawing connected items";
15411             break;
15412           case GADGET_ID_LINE:
15413             text = "Drawing line";
15414             break;
15415           case GADGET_ID_ARC:
15416             text = "Drawing arc";
15417             break;
15418           case GADGET_ID_TEXT:
15419             text = "Setting text cursor";
15420             break;
15421           case GADGET_ID_RECTANGLE:
15422             text = "Drawing rectangle";
15423             break;
15424           case GADGET_ID_FILLED_BOX:
15425             text = "Drawing filled box";
15426             break;
15427           case GADGET_ID_FLOOD_FILL:
15428             text = "Flood fill";
15429             break;
15430           case GADGET_ID_GRAB_BRUSH:
15431             text = "Grabbing brush";
15432             break;
15433           case GADGET_ID_PICK_ELEMENT:
15434             text = "Picking element";
15435             break;
15436
15437           default:
15438             text = "Drawing position";
15439             break;
15440         }
15441
15442         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15443           sprintf(infotext, "%s: %d, %d", text, lx, ly);
15444         else
15445           sprintf(infotext, "%s: %d, %d", text,
15446                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
15447       }
15448       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15449         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
15450       else
15451         sprintf(infotext, "Level position: %d, %d", lx, ly);
15452     }
15453
15454     // misuse this function to draw brush cursor, if needed
15455     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
15456     {
15457       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15458         CopyBrushToCursor(sx, sy);
15459       else
15460         DeleteBrushFromCursor();
15461     }
15462
15463     if (!draw_with_brush)
15464       UpdateBrushPosition(sx, sy);
15465   }
15466   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15467   {
15468     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15469     int element = drawingarea_info[type_id].value[pos];
15470
15471     strncpy(infotext, getElementInfoText(element), max_infotext_len);
15472   }
15473   else
15474   {
15475     if (id == GADGET_ID_CUSTOM_CONTENT)
15476       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
15477     else if (id == GADGET_ID_GROUP_CONTENT)
15478       sprintf(infotext, "group element position: %d", sx + 1);
15479     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
15480              id <= GADGET_ID_YAMYAM_CONTENT_7)
15481       sprintf(infotext, "content area %d position: %d, %d",
15482               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
15483     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
15484              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
15485       sprintf(infotext, "content area %d position: %d, %d",
15486               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
15487     else if (id == GADGET_ID_ANDROID_CONTENT)
15488       sprintf(infotext, "android element position: %d", sx + 1);
15489     else if (drawingarea_info[type_id].infotext != NULL)
15490       strcpy(infotext, drawingarea_info[type_id].infotext);
15491   }
15492
15493   infotext[max_infotext_len] = '\0';
15494
15495   if (strlen(infotext) > 0)
15496     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
15497 }
15498
15499 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
15500                             boolean quick_quit)
15501 {
15502   if (!ask_if_level_has_changed ||
15503       !LevelChanged() ||
15504       Request("Level has changed! Exit without saving?",
15505               REQ_ASK | REQ_STAY_OPEN))
15506   {
15507     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
15508     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
15509
15510     // draw normal door
15511     UndrawSpecialEditorDoor();
15512
15513     // use door animation if door 1 viewport is unchanged and contains toolbox
15514     if (useEditorDoorAnimation())
15515       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
15516
15517     // close editor doors if viewport definition is the same as in main menu
15518     if (vp_door_1->x      == DX     &&
15519         vp_door_1->y      == DY     &&
15520         vp_door_1->width  == DXSIZE &&
15521         vp_door_1->height == DYSIZE &&
15522         vp_door_2->x      == VX     &&
15523         vp_door_2->y      == VY     &&
15524         vp_door_2->width  == VXSIZE &&
15525         vp_door_2->height == VYSIZE)
15526       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
15527     else
15528       SetDoorState(DOOR_CLOSE_ALL);
15529
15530     BackToFront();
15531
15532     if (quick_quit)
15533       FadeSkipNextFadeIn();
15534
15535     SetGameStatus(GAME_MODE_MAIN);
15536
15537     DrawMainMenu();
15538   }
15539   else
15540   {
15541     if (!global.use_envelope_request)
15542     {
15543       CloseDoor(DOOR_CLOSE_1);
15544       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
15545     }
15546   }
15547 }