src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_INFO,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_CUSTOM_SCORE_DOWN,
 463   GADGET_ID_CUSTOM_SCORE_TEXT,
 464   GADGET_ID_CUSTOM_SCORE_UP,
 465   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 466   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 467   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 468   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 469   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 470   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 471   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_RND_UP,
 474   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 475   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 476   GADGET_ID_PUSH_DELAY_FIX_UP,
 477   GADGET_ID_PUSH_DELAY_RND_DOWN,
 478   GADGET_ID_PUSH_DELAY_RND_TEXT,
 479   GADGET_ID_PUSH_DELAY_RND_UP,
 480   GADGET_ID_DROP_DELAY_FIX_DOWN,
 481   GADGET_ID_DROP_DELAY_FIX_TEXT,
 482   GADGET_ID_DROP_DELAY_FIX_UP,
 483   GADGET_ID_DROP_DELAY_RND_DOWN,
 484   GADGET_ID_DROP_DELAY_RND_TEXT,
 485   GADGET_ID_DROP_DELAY_RND_UP,
 486   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 487   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 488   GADGET_ID_MOVE_DELAY_FIX_UP,
 489   GADGET_ID_MOVE_DELAY_RND_DOWN,
 490   GADGET_ID_MOVE_DELAY_RND_TEXT,
 491   GADGET_ID_MOVE_DELAY_RND_UP,
 492   GADGET_ID_STEP_DELAY_FIX_DOWN,
 493   GADGET_ID_STEP_DELAY_FIX_TEXT,
 494   GADGET_ID_STEP_DELAY_FIX_UP,
 495   GADGET_ID_STEP_DELAY_RND_DOWN,
 496   GADGET_ID_STEP_DELAY_RND_TEXT,
 497   GADGET_ID_STEP_DELAY_RND_UP,
 498   GADGET_ID_EXPLOSION_DELAY_DOWN,
 499   GADGET_ID_EXPLOSION_DELAY_TEXT,
 500   GADGET_ID_EXPLOSION_DELAY_UP,
 501   GADGET_ID_IGNITION_DELAY_DOWN,
 502   GADGET_ID_IGNITION_DELAY_TEXT,
 503   GADGET_ID_IGNITION_DELAY_UP,
 504   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 505   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 506   GADGET_ID_CHANGE_DELAY_FIX_UP,
 507   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 508   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 509   GADGET_ID_CHANGE_DELAY_RND_UP,
 510   GADGET_ID_CHANGE_CONT_RND_DOWN,
 511   GADGET_ID_CHANGE_CONT_RND_TEXT,
 512   GADGET_ID_CHANGE_CONT_RND_UP,
 513   GADGET_ID_GROUP_CONTENT_DOWN,
 514   GADGET_ID_GROUP_CONTENT_TEXT,
 515   GADGET_ID_GROUP_CONTENT_UP,
 516
 517   // drawing area identifiers
 518
 519   GADGET_ID_DRAWING_LEVEL,
 520   GADGET_ID_YAMYAM_CONTENT_0,
 521   GADGET_ID_YAMYAM_CONTENT_1,
 522   GADGET_ID_YAMYAM_CONTENT_2,
 523   GADGET_ID_YAMYAM_CONTENT_3,
 524   GADGET_ID_YAMYAM_CONTENT_4,
 525   GADGET_ID_YAMYAM_CONTENT_5,
 526   GADGET_ID_YAMYAM_CONTENT_6,
 527   GADGET_ID_YAMYAM_CONTENT_7,
 528   GADGET_ID_MAGIC_BALL_CONTENT_0,
 529   GADGET_ID_MAGIC_BALL_CONTENT_1,
 530   GADGET_ID_MAGIC_BALL_CONTENT_2,
 531   GADGET_ID_MAGIC_BALL_CONTENT_3,
 532   GADGET_ID_MAGIC_BALL_CONTENT_4,
 533   GADGET_ID_MAGIC_BALL_CONTENT_5,
 534   GADGET_ID_MAGIC_BALL_CONTENT_6,
 535   GADGET_ID_MAGIC_BALL_CONTENT_7,
 536   GADGET_ID_ANDROID_CONTENT,
 537   GADGET_ID_AMOEBA_CONTENT,
 538   GADGET_ID_START_ELEMENT,
 539   GADGET_ID_ARTWORK_ELEMENT,
 540   GADGET_ID_EXPLOSION_ELEMENT,
 541   GADGET_ID_INVENTORY_CONTENT,
 542   GADGET_ID_CUSTOM_GRAPHIC,
 543   GADGET_ID_CUSTOM_CONTENT,
 544   GADGET_ID_CUSTOM_MOVE_ENTER,
 545   GADGET_ID_CUSTOM_MOVE_LEAVE,
 546   GADGET_ID_CUSTOM_CHANGE_TARGET,
 547   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 548   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 549   GADGET_ID_CUSTOM_CHANGE_ACTION,
 550   GADGET_ID_GROUP_CONTENT,
 551   GADGET_ID_RANDOM_BACKGROUND,
 552
 553   // text input identifiers
 554
 555   GADGET_ID_LEVEL_NAME,
 556   GADGET_ID_LEVEL_AUTHOR,
 557   GADGET_ID_LEVELSET_NAME,
 558   GADGET_ID_LEVELSET_AUTHOR,
 559   GADGET_ID_ELEMENT_NAME,
 560
 561   // text area identifiers
 562
 563   GADGET_ID_ENVELOPE_INFO,
 564
 565   // selectbox identifiers
 566
 567   GADGET_ID_TIME_OR_STEPS,
 568   GADGET_ID_TIME_SCORE_BASE,
 569   GADGET_ID_GAME_ENGINE_TYPE,
 570   GADGET_ID_LEVELSET_SAVE_MODE,
 571   GADGET_ID_WIND_DIRECTION,
 572   GADGET_ID_PLAYER_SPEED,
 573   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 574   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 575   GADGET_ID_CUSTOM_DEADLINESS,
 576   GADGET_ID_CUSTOM_MOVE_PATTERN,
 577   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 578   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 579   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 580   GADGET_ID_CUSTOM_SMASH_TARGETS,
 581   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 582   GADGET_ID_CUSTOM_ACCESS_TYPE,
 583   GADGET_ID_CUSTOM_ACCESS_LAYER,
 584   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 585   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 586   GADGET_ID_CHANGE_TIME_UNITS,
 587   GADGET_ID_CHANGE_DIRECT_ACTION,
 588   GADGET_ID_CHANGE_OTHER_ACTION,
 589   GADGET_ID_CHANGE_SIDE,
 590   GADGET_ID_CHANGE_PLAYER,
 591   GADGET_ID_CHANGE_PAGE,
 592   GADGET_ID_CHANGE_REPLACE_WHEN,
 593   GADGET_ID_ACTION_TYPE,
 594   GADGET_ID_ACTION_MODE,
 595   GADGET_ID_ACTION_ARG,
 596   GADGET_ID_SELECT_CHANGE_PAGE,
 597   GADGET_ID_GROUP_CHOICE_MODE,
 598
 599   // textbutton identifiers
 600
 601   GADGET_ID_LEVELINFO_LEVEL,
 602   GADGET_ID_LEVELINFO_LEVELSET,
 603   GADGET_ID_LEVELINFO_EDITOR,
 604   GADGET_ID_PROPERTIES_INFO,
 605   GADGET_ID_PROPERTIES_CONFIG,
 606   GADGET_ID_PROPERTIES_CONFIG_1,
 607   GADGET_ID_PROPERTIES_CONFIG_2,
 608   GADGET_ID_PROPERTIES_CHANGE,
 609   GADGET_ID_SAVE_AS_TEMPLATE_1,
 610   GADGET_ID_SAVE_AS_TEMPLATE_2,
 611   GADGET_ID_SAVE_LEVELSET,
 612   GADGET_ID_ADD_CHANGE_PAGE,
 613   GADGET_ID_DEL_CHANGE_PAGE,
 614
 615   // graphicbutton identifiers
 616
 617   GADGET_ID_PREV_CHANGE_PAGE,
 618   GADGET_ID_NEXT_CHANGE_PAGE,
 619   GADGET_ID_COPY_CHANGE_PAGE,
 620   GADGET_ID_PASTE_CHANGE_PAGE,
 621
 622   // gadgets for scrolling of drawing area
 623
 624   GADGET_ID_SCROLL_UP,
 625   GADGET_ID_SCROLL_DOWN,
 626   GADGET_ID_SCROLL_LEFT,
 627   GADGET_ID_SCROLL_RIGHT,
 628   GADGET_ID_SCROLL_HORIZONTAL,
 629   GADGET_ID_SCROLL_VERTICAL,
 630
 631   // gadgets for scrolling element list
 632
 633   GADGET_ID_SCROLL_LIST_UP,
 634   GADGET_ID_SCROLL_LIST_DOWN,
 635   GADGET_ID_SCROLL_LIST_VERTICAL,
 636
 637   // checkbuttons/radiobuttons for level/element properties
 638
 639   GADGET_ID_AUTO_COUNT_GEMS,
 640   GADGET_ID_RATE_TIME_OVER_SCORE,
 641   GADGET_ID_USE_LEVELSET_ARTWORK,
 642   GADGET_ID_COPY_LEVEL_TEMPLATE,
 643   GADGET_ID_RANDOM_PERCENTAGE,
 644   GADGET_ID_RANDOM_QUANTITY,
 645   GADGET_ID_RANDOM_RESTRICTED,
 646   GADGET_ID_STICK_ELEMENT,
 647   GADGET_ID_EM_SLIPPERY_GEMS,
 648   GADGET_ID_EM_EXPLODES_BY_FIRE,
 649   GADGET_ID_USE_SPRING_BUG,
 650   GADGET_ID_USE_TIME_ORB_BUG,
 651   GADGET_ID_USE_LIFE_BUGS,
 652   GADGET_ID_RANDOM_BALL_CONTENT,
 653   GADGET_ID_INITIAL_BALL_ACTIVE,
 654   GADGET_ID_GROW_INTO_DIGGABLE,
 655   GADGET_ID_SB_FIELDS_NEEDED,
 656   GADGET_ID_SB_OBJECTS_NEEDED,
 657   GADGET_ID_AUTO_EXIT_SOKOBAN,
 658   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 659   GADGET_ID_FINISH_DIG_COLLECT,
 660   GADGET_ID_KEEP_WALKABLE_CE,
 661   GADGET_ID_CONTINUOUS_SNAPPING,
 662   GADGET_ID_BLOCK_SNAP_FIELD,
 663   GADGET_ID_BLOCK_LAST_FIELD,
 664   GADGET_ID_SP_BLOCK_LAST_FIELD,
 665   GADGET_ID_INSTANT_RELOCATION,
 666   GADGET_ID_SHIFTED_RELOCATION,
 667   GADGET_ID_LAZY_RELOCATION,
 668   GADGET_ID_USE_START_ELEMENT,
 669   GADGET_ID_USE_ARTWORK_ELEMENT,
 670   GADGET_ID_USE_EXPLOSION_ELEMENT,
 671   GADGET_ID_INITIAL_GRAVITY,
 672   GADGET_ID_USE_INITIAL_INVENTORY,
 673   GADGET_ID_CAN_PASS_TO_WALKABLE,
 674   GADGET_ID_CAN_FALL_INTO_ACID,
 675   GADGET_ID_CAN_MOVE_INTO_ACID,
 676   GADGET_ID_DONT_COLLIDE_WITH,
 677   GADGET_ID_ENVELOPE_AUTOWRAP,
 678   GADGET_ID_ENVELOPE_CENTERED,
 679   GADGET_ID_MM_LASER_RED,
 680   GADGET_ID_MM_LASER_GREEN,
 681   GADGET_ID_MM_LASER_BLUE,
 682   GADGET_ID_DF_LASER_RED,
 683   GADGET_ID_DF_LASER_GREEN,
 684   GADGET_ID_DF_LASER_BLUE,
 685   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 686   GADGET_ID_CUSTOM_CAN_EXPLODE,
 687   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 688   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 689   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 690   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 691   GADGET_ID_CUSTOM_DEADLY,
 692   GADGET_ID_CUSTOM_CAN_MOVE,
 693   GADGET_ID_CUSTOM_CAN_FALL,
 694   GADGET_ID_CUSTOM_CAN_SMASH,
 695   GADGET_ID_CUSTOM_SLIPPERY,
 696   GADGET_ID_CUSTOM_ACCESSIBLE,
 697   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 698   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 699   GADGET_ID_CUSTOM_USE_GRAPHIC,
 700   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 701   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 702   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 703   GADGET_ID_CUSTOM_CAN_CHANGE,
 704   GADGET_ID_CHANGE_USE_CONTENT,
 705   GADGET_ID_CHANGE_USE_EXPLOSION,
 706   GADGET_ID_CHANGE_ONLY_COMPLETE,
 707   GADGET_ID_CHANGE_USE_RANDOM,
 708   GADGET_ID_CHANGE_HAS_ACTION,
 709   GADGET_ID_CHANGE_DELAY,
 710   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 711   GADGET_ID_CHANGE_BY_OTHER_ACT,
 712
 713   NUM_STATIC_GADGET_IDS
 714 };
 715
 716 // gadgets for buttons in element list (dynamic)
 717 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 718 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 719                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 720
 721 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 722
 723 // radio button numbers
 724 enum
 725 {
 726   RADIO_NR_NONE,
 727   RADIO_NR_DRAWING_TOOLBOX,
 728   RADIO_NR_RANDOM_ELEMENTS
 729 };
 730
 731 // values for counter gadgets
 732 enum
 733 {
 734   ED_COUNTER_ID_SELECT_LEVEL,
 735   ED_COUNTER_ID_LEVEL_XSIZE,
 736   ED_COUNTER_ID_LEVEL_YSIZE,
 737   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 738   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 739   ED_COUNTER_ID_LEVEL_TIMESCORE,
 740   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 741   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 742   ED_COUNTER_ID_LEVEL_RANDOM,
 743   ED_COUNTER_ID_ELEMENT_VALUE1,
 744   ED_COUNTER_ID_ELEMENT_VALUE2,
 745   ED_COUNTER_ID_ELEMENT_VALUE3,
 746   ED_COUNTER_ID_ELEMENT_VALUE4,
 747   ED_COUNTER_ID_YAMYAM_CONTENT,
 748   ED_COUNTER_ID_BALL_CONTENT,
 749   ED_COUNTER_ID_ANDROID_CONTENT,
 750   ED_COUNTER_ID_ENVELOPE_XSIZE,
 751   ED_COUNTER_ID_ENVELOPE_YSIZE,
 752   ED_COUNTER_ID_INVENTORY_SIZE,
 753   ED_COUNTER_ID_CUSTOM_SCORE,
 754   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 755   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 756   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 757   ED_COUNTER_ID_PUSH_DELAY_FIX,
 758   ED_COUNTER_ID_PUSH_DELAY_RND,
 759   ED_COUNTER_ID_DROP_DELAY_FIX,
 760   ED_COUNTER_ID_DROP_DELAY_RND,
 761   ED_COUNTER_ID_MOVE_DELAY_FIX,
 762   ED_COUNTER_ID_MOVE_DELAY_RND,
 763   ED_COUNTER_ID_STEP_DELAY_FIX,
 764   ED_COUNTER_ID_STEP_DELAY_RND,
 765   ED_COUNTER_ID_EXPLOSION_DELAY,
 766   ED_COUNTER_ID_IGNITION_DELAY,
 767   ED_COUNTER_ID_GROUP_CONTENT,
 768   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 769   ED_COUNTER_ID_CHANGE_DELAY_RND,
 770   ED_COUNTER_ID_CHANGE_CONT_RND,
 771
 772   ED_NUM_COUNTERBUTTONS
 773 };
 774
 775 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 776 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 777 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 778 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 779 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 780 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 781
 782 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 783 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 784 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 785 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 786 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 787 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 788
 789 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 790 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 791
 792 // values for scrollbutton gadgets
 793 enum
 794 {
 795   ED_SCROLLBUTTON_ID_AREA_UP,
 796   ED_SCROLLBUTTON_ID_AREA_DOWN,
 797   ED_SCROLLBUTTON_ID_AREA_LEFT,
 798   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 799   ED_SCROLLBUTTON_ID_LIST_UP,
 800   ED_SCROLLBUTTON_ID_LIST_DOWN,
 801
 802   ED_NUM_SCROLLBUTTONS
 803 };
 804
 805 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 806 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 807
 808 // values for scrollbar gadgets
 809 enum
 810 {
 811   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 812   ED_SCROLLBAR_ID_AREA_VERTICAL,
 813   ED_SCROLLBAR_ID_LIST_VERTICAL,
 814
 815   ED_NUM_SCROLLBARS
 816 };
 817
 818 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 819 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 820
 821 // values for text input gadgets
 822 enum
 823 {
 824   ED_TEXTINPUT_ID_LEVEL_NAME,
 825   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 826   ED_TEXTINPUT_ID_LEVELSET_NAME,
 827   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 828   ED_TEXTINPUT_ID_ELEMENT_NAME,
 829
 830   ED_NUM_TEXTINPUT
 831 };
 832
 833 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 834 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 835
 836 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 837 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 838
 839 // values for text area gadgets
 840 enum
 841 {
 842   ED_TEXTAREA_ID_ENVELOPE_INFO,
 843
 844   ED_NUM_TEXTAREAS
 845 };
 846
 847 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 848 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 849
 850 // values for selectbox gadgets
 851 enum
 852 {
 853   ED_SELECTBOX_ID_TIME_OR_STEPS,
 854   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 855   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 856   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 857   ED_SELECTBOX_ID_WIND_DIRECTION,
 858   ED_SELECTBOX_ID_PLAYER_SPEED,
 859   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 860   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 861   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 862   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 863   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 864   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 865   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 866   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 867   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 868   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 869   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 870   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 871   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 872   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 873   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 874   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 875   ED_SELECTBOX_ID_CHANGE_SIDE,
 876   ED_SELECTBOX_ID_CHANGE_PLAYER,
 877   ED_SELECTBOX_ID_CHANGE_PAGE,
 878   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 879   ED_SELECTBOX_ID_ACTION_TYPE,
 880   ED_SELECTBOX_ID_ACTION_MODE,
 881   ED_SELECTBOX_ID_ACTION_ARG,
 882   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 883   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 884
 885   ED_NUM_SELECTBOX
 886 };
 887
 888 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 889 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 890
 891 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 892 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 893
 894 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 895 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 896 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 897 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 898 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 899 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 900
 901 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 902 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 903
 904 // values for textbutton gadgets
 905 enum
 906 {
 907   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 908   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 909   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 910   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 911   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 912   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 913   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 914   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 915   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 916   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 917   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 918   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 919   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 920
 921   ED_NUM_TEXTBUTTONS
 922 };
 923
 924 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 925 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 926
 927 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 928 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 929
 930 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 931 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 932
 933 // values for graphicbutton gadgets
 934 enum
 935 {
 936   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 937   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 938   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 939   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 940
 941   ED_NUM_GRAPHICBUTTONS
 942 };
 943
 944 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 945 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 946
 947 // values for checkbutton gadgets
 948 enum
 949 {
 950   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 951   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 952   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 953   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 954   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 955   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 956   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 957   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 958   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 959   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 960   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 961   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 962   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 963   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 964   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 965   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 966   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 967   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 968   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 969   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 970   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 971   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 972   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 973   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 974   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 975   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 976   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 977   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 978   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 979   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 980   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 981   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 982   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 983   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 984   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 985   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 986   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 987   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 988   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 989   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 990   ED_CHECKBUTTON_ID_MM_LASER_RED,
 991   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 992   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 993   ED_CHECKBUTTON_ID_DF_LASER_RED,
 994   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 995   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 996   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 997   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 998   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 999   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1000   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1001   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1002   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1003   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1004   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1005   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1006   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1007   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1008   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1009   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1010   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1011   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1012   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1013   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1014   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1015   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1016   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1017   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1018   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1019   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1020   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1021
1022   ED_NUM_CHECKBUTTONS
1023 };
1024
1025 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1026 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1027
1028 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1029 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1030
1031 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1032 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1033
1034 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1035 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1036 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1037 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1038 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1039 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1040
1041 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1042 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1043
1044 // values for radiobutton gadgets
1045 enum
1046 {
1047   ED_RADIOBUTTON_ID_PERCENTAGE,
1048   ED_RADIOBUTTON_ID_QUANTITY,
1049
1050   ED_NUM_RADIOBUTTONS
1051 };
1052
1053 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1054 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1055
1056 // values for drawing area gadgets
1057 enum
1058 {
1059   ED_DRAWING_ID_DRAWING_LEVEL,
1060   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1061   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1062   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1063   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1064   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1065   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1066   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1067   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1068   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1069   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1070   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1071   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1072   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1073   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1074   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1075   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1076   ED_DRAWING_ID_ANDROID_CONTENT,
1077   ED_DRAWING_ID_AMOEBA_CONTENT,
1078   ED_DRAWING_ID_START_ELEMENT,
1079   ED_DRAWING_ID_ARTWORK_ELEMENT,
1080   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1081   ED_DRAWING_ID_INVENTORY_CONTENT,
1082   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1083   ED_DRAWING_ID_CUSTOM_CONTENT,
1084   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1085   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1086   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1087   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1088   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1089   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1090   ED_DRAWING_ID_GROUP_CONTENT,
1091   ED_DRAWING_ID_RANDOM_BACKGROUND,
1092
1093   ED_NUM_DRAWING_AREAS
1094 };
1095
1096 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1097 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1098
1099
1100 // ----------------------------------------------------------------------------
1101 // some internally used definitions
1102 // ----------------------------------------------------------------------------
1103
1104 // values for CopyLevelToUndoBuffer()
1105 #define UNDO_IMMEDIATE                  0
1106 #define UNDO_ACCUMULATE                 1
1107
1108 // values for scrollbars
1109 #define ED_SCROLL_NO                    0
1110 #define ED_SCROLL_LEFT                  1
1111 #define ED_SCROLL_RIGHT                 2
1112 #define ED_SCROLL_UP                    4
1113 #define ED_SCROLL_DOWN                  8
1114
1115 // screens in the level editor
1116 #define ED_MODE_DRAWING                 0
1117 #define ED_MODE_INFO                    1
1118 #define ED_MODE_PROPERTIES              2
1119 #define ED_MODE_PALETTE                 3
1120
1121 // sub-screens in the global settings section
1122 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1123 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1124 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1125
1126 // sub-screens in the element properties section
1127 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1128 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1129 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1130 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1131 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1132
1133 // how many steps can be cancelled
1134 #define NUM_UNDO_STEPS                  (64 + 1)
1135
1136 // values for elements with score for certain actions
1137 #define MIN_SCORE                       0
1138 #define MAX_SCORE                       999
1139
1140 // values for elements with count for collecting
1141 #define MIN_COLLECT_COUNT               0
1142 #define MAX_COLLECT_COUNT               999
1143
1144 // values for random placement
1145 #define RANDOM_USE_PERCENTAGE           0
1146 #define RANDOM_USE_QUANTITY             1
1147
1148 // values for level set save mode
1149 #define LEVELSET_SAVE_MODE_UPDATE       0
1150 #define LEVELSET_SAVE_MODE_CREATE       1
1151
1152 // default value for element tile size in drawing area
1153 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1154 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1155
1156
1157 // ----------------------------------------------------------------------------
1158 // some internally used data structure definitions
1159 // ----------------------------------------------------------------------------
1160
1161 static struct
1162 {
1163   int graphic;
1164   int gadget_id;
1165   struct XYTileSize *pos;
1166   int gadget_type;
1167   char *infotext;
1168   char shortcut;
1169 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1170 {
1171   // note: some additional characters are already reserved for "cheat mode"
1172   // shortcuts (":XYZ" style) -- for details, see "events.c"
1173
1174   // ---------- toolbox control buttons ---------------------------------------
1175
1176   {
1177     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1178     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1179     "draw single items",                        's'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1183     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1184     "draw connected items",                     'd'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1188     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1189     "draw lines",                               'l'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1193     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1194     "draw arcs",                                'a'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1198     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1199     "draw outline rectangles",                  'r'
1200   },
1201   {
1202     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1203     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1204     "draw filled rectangles",                   'R'
1205   },
1206   {
1207     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1208     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1209     "wrap (rotate) level up",                   0
1210   },
1211   {
1212     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1213     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1214     "enter text elements",                      't'
1215   },
1216   {
1217     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1218     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1219     "flood fill",                               'f'
1220   },
1221   {
1222     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1223     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1224     "wrap (rotate) level left",                 0
1225   },
1226   {
1227     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1228     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1229     "zoom level tile size",                     '+'
1230   },
1231   {
1232     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1233     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1234     "wrap (rotate) level right",                0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1238     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1239     "random element placement",                 0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1243     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1244     "grab brush",                               'b'
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1248     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1249     "wrap (rotate) level down",                 0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1253     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1254     "pick drawing element",                     ','
1255   },
1256
1257   // ---------- level control buttons -----------------------------------------
1258
1259   {
1260     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1261     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1262     "undo/redo last operation",                 'u'
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1266     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1267     "properties of level",                      'I'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1271     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1272     "save level",                               'S'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1276     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1277     "clear level",                              'C'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1281     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1282     "test level",                               'T'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1286     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1287     "exit level editor",                        'E'
1288   },
1289
1290   // ---------- CE and GE control buttons -------------------------------------
1291
1292   {
1293     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1294     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1295     "copy settings from other element",         0
1296   },
1297   {
1298     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1299     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1300     "copy settings to other element",           0
1301   },
1302   {
1303     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1304     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1305     "exchange element with other element",      0
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1309     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1310     "copy settings from this element",          0
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1314     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1315     "paste settings to this element",           0
1316   },
1317
1318   // ---------- palette control buttons ---------------------------------------
1319
1320   {
1321     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1322     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1323     "properties of drawing element",            'p'
1324   },
1325   {
1326     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1327     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1328     "properties of drawing element 1",          '1'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1332     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1333     "properties of drawing element 2",          '2'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1337     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1338     "properties of drawing element 3",          '3'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1342     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1343     "show list of elements",                    'e'
1344   }
1345 };
1346
1347 static int random_placement_value = 10;
1348 static int random_placement_method = RANDOM_USE_QUANTITY;
1349 static int random_placement_background_element = EL_SAND;
1350 static boolean random_placement_background_restricted = FALSE;
1351 static boolean stick_element_properties_window = FALSE;
1352 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1353 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1354 static struct ElementChangeInfo custom_element_change;
1355 static struct ElementGroupInfo group_element_info;
1356 static struct ElementInfo custom_element;
1357
1358 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1359 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1360 static int levelset_num_levels = 100;
1361 static boolean levelset_use_levelset_artwork = FALSE;
1362 static boolean levelset_copy_level_template = FALSE;
1363 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1364
1365 static struct
1366 {
1367   int x, y;
1368   int min_value, max_value;
1369   int gadget_id_down, gadget_id_up;
1370   int gadget_id_text;
1371   int gadget_id_align;
1372   int *value;
1373   char *text_above, *text_left, *text_right;
1374 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1375 {
1376   // ---------- current level number ------------------------------------------
1377
1378   {
1379     -1, -1,     // these values are not constant, but can change at runtime
1380     1,                                  100,
1381     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1382     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1383     &level_nr,
1384     NULL,                               NULL, NULL
1385   },
1386
1387   // ---------- level and editor settings -------------------------------------
1388
1389   {
1390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1391     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1392     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1393     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1394     &level.fieldx,
1395     "playfield size:",                  NULL, "width",
1396   },
1397   {
1398     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1399     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1400     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1401     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1402     &level.fieldy,
1403     NULL,                               " ", "height",
1404   },
1405   {
1406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1407     0,                                  999,
1408     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1409     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1410     &level.gems_needed,
1411     NULL,                               "number of gems to collect:", NULL
1412   },
1413   {
1414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1415     0,                                  9999,
1416     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1417     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1418     &level.time,
1419     "time or step limit to solve level:", NULL, NULL
1420   },
1421   {
1422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1423     0,                                  999,
1424     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1425     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1426     &level.score[SC_TIME_BONUS],
1427     "score for time or steps left:",    NULL, NULL
1428   },
1429   {
1430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1431     0,                                  9999,
1432     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1433     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1434     &level.random_seed,
1435     NULL,                               "random seed:", "(0 => random)"
1436   },
1437   {
1438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1439     1,                                  MAX_LEVELS,
1440     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1441     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1442     &levelset_num_levels,
1443     "number of levels:",                NULL, NULL,
1444   },
1445   {
1446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1447     1,                                  100,
1448     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1449     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1450     &random_placement_value,
1451     "random element placement:",        NULL, "in"
1452   },
1453
1454   // ---------- element settings: configure (various elements) ----------------
1455
1456   {
1457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1458     MIN_SCORE,                          MAX_SCORE,
1459     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1460     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1461     NULL,                               // will be set when used
1462     NULL,                               NULL, NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1466     MIN_SCORE,                          MAX_SCORE,
1467     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1468     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1469     NULL,                               // will be set when used
1470     NULL,                               NULL, NULL
1471   },
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1474     MIN_SCORE,                          MAX_SCORE,
1475     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1476     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1477     NULL,                               // will be set when used
1478     NULL,                               NULL, NULL
1479   },
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1482     MIN_SCORE,                          MAX_SCORE,
1483     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1484     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1485     NULL,                               // will be set when used
1486     NULL,                               NULL, NULL
1487   },
1488   {
1489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1490     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1491     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1492     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1493     &level.num_yamyam_contents,
1494     NULL,                               NULL, "number of content areas"
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1498     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1499     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1500     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1501     &level.num_ball_contents,
1502     NULL,                               NULL, "number of content areas"
1503   },
1504   {
1505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1506     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1507     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1508     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1509     &level.num_android_clone_elements,
1510     NULL,                               NULL, "number of clonable elements"
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1514     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1515     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1516     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1517     NULL,                               // will be set when used
1518     NULL,                               NULL, "width",
1519   },
1520   {
1521     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1522     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1523     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1524     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1525     NULL,                               // will be set when used
1526     NULL,                               " ", "height",
1527   },
1528   {
1529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1530     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1531     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1532     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1533     &level.initial_inventory_size[0],
1534     NULL,                               NULL, "number of inventory elements"
1535   },
1536
1537   // ---------- element settings: configure 1 (custom elements) ---------------
1538
1539   {
1540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1541     MIN_SCORE,                          MAX_SCORE,
1542     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1543     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1544     &custom_element.collect_score_initial,
1545     NULL,                               "CE score", " "
1546   },
1547   {
1548     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1549     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1550     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1551     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1552     &custom_element.collect_count_initial,
1553     NULL,                               "CE count", NULL
1554   },
1555   {
1556     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1557     0,                                  9999,
1558     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1559     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1560     &custom_element.ce_value_fixed_initial,
1561     NULL,                               "CE value", NULL
1562   },
1563   {
1564     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1565     0,                                  9999,
1566     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1567     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1568     &custom_element.ce_value_random_initial,
1569     NULL,                               "+random", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1573     0,                                  999,
1574     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1575     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1576     &custom_element.push_delay_fixed,
1577     NULL,                               "push delay", NULL
1578   },
1579   {
1580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1581     0,                                  999,
1582     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1583     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1584     &custom_element.push_delay_random,
1585     NULL,                               "+random", NULL
1586   },
1587   {
1588     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1589     0,                                  999,
1590     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1591     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1592     &custom_element.drop_delay_fixed,
1593     NULL,                               "drop delay", NULL
1594   },
1595   {
1596     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1597     0,                                  999,
1598     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1599     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1600     &custom_element.drop_delay_random,
1601     NULL,                               "+random", NULL
1602   },
1603
1604   // ---------- element settings: configure 2 (custom elements) ---------------
1605
1606   {
1607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1608     0,                                  999,
1609     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1610     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1611     &custom_element.move_delay_fixed,
1612     NULL,                               "move delay", NULL
1613   },
1614   {
1615     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1616     0,                                  999,
1617     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1618     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1619     &custom_element.move_delay_random,
1620     NULL,                               "+random", NULL
1621   },
1622   {
1623     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1624     0,                                  999,
1625     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1626     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1627     &custom_element.step_delay_fixed,
1628     NULL,                               "step delay", NULL
1629   },
1630   {
1631     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1632     0,                                  999,
1633     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1634     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1635     &custom_element.step_delay_random,
1636     NULL,                               "+random", NULL
1637   },
1638   {
1639     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1640     0,                                  999,
1641     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1642     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1643     &custom_element.explosion_delay,
1644     NULL,                               "explosion delay", NULL
1645   },
1646   {
1647     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1648     0,                                  999,
1649     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1650     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1651     &custom_element.ignition_delay,
1652     NULL,                               "ignition delay", "(by fire)"
1653   },
1654
1655   // ---------- element settings: configure (group elements) ------------------
1656
1657   {
1658     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1659     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1660     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1661     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1662     &group_element_info.num_elements,
1663     NULL,                               NULL, "number of elements in group"
1664   },
1665
1666   // ---------- element settings: advanced (custom elements) ------------------
1667
1668   {
1669     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1670     0,                                  999,
1671     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1672     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1673     &custom_element_change.delay_fixed,
1674     NULL,                               "CE delay", NULL,
1675   },
1676   {
1677     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1678     0,                                  999,
1679     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1680     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1681     &custom_element_change.delay_random,
1682     NULL,                               "+random", NULL
1683   },
1684   {
1685     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1686     0,                                  100,
1687     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1688     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1689     &custom_element_change.random_percentage,
1690     NULL,                               "use random replace:", "%"
1691   },
1692 };
1693
1694 static struct
1695 {
1696   int x, y;
1697   int gadget_id;
1698   int size;
1699   char *value;
1700   char *text_above, *infotext;
1701 } textinput_info[ED_NUM_TEXTINPUT] =
1702 {
1703   {
1704     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1705     GADGET_ID_LEVEL_NAME,
1706     MAX_LEVEL_NAME_LEN,
1707     level.name,
1708     "Title:", "Title for this level"
1709   },
1710   {
1711     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1712     GADGET_ID_LEVEL_AUTHOR,
1713     MAX_LEVEL_AUTHOR_LEN,
1714     level.author,
1715     "Author:", "Author for this level"
1716   },
1717   {
1718     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1719     GADGET_ID_LEVELSET_NAME,
1720     MAX_LEVEL_NAME_LEN,
1721     levelset_name,
1722     "Title:", "Title for this or new level set"
1723   },
1724   {
1725     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1726     GADGET_ID_LEVELSET_AUTHOR,
1727     MAX_LEVEL_AUTHOR_LEN,
1728     levelset_author,
1729     "Author:", "Author for this or new level set"
1730   },
1731   {
1732     -1, -1,     // these values are not constant, but can change at runtime
1733     GADGET_ID_ELEMENT_NAME,
1734     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1735     custom_element.description,
1736     NULL, "Element name"
1737   }
1738 };
1739
1740 static struct
1741 {
1742   int x, y;
1743   int gadget_id;
1744   int xsize, ysize;
1745   char *value;
1746   char *text_above, *infotext;
1747 } textarea_info[ED_NUM_TEXTAREAS] =
1748 {
1749   {
1750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1751     GADGET_ID_ENVELOPE_INFO,
1752     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1753     NULL,
1754     "Envelope Content:", "Envelope Content"
1755   }
1756 };
1757
1758 static struct ValueTextInfo options_time_or_steps[] =
1759 {
1760   { 0,                          "seconds"                       },
1761   { 1,                          "steps"                         },
1762
1763   { -1,                         NULL                            }
1764 };
1765
1766 static struct ValueTextInfo options_time_score_base[] =
1767 {
1768   { 1,                          "per second/step"               },
1769   { 10,                         "per 10 seconds/steps"          },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_game_engine_type[] =
1775 {
1776   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1777   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1778   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1779   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_levelset_save_mode[] =
1785 {
1786   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1787   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1788
1789   { -1,                         NULL                            }
1790 };
1791
1792 static struct ValueTextInfo options_wind_direction[] =
1793 {
1794   { MV_START_NONE,              "none"                          },
1795   { MV_START_LEFT,              "left"                          },
1796   { MV_START_RIGHT,             "right"                         },
1797   { MV_START_UP,                "up"                            },
1798   { MV_START_DOWN,              "down"                          },
1799
1800   { -1,                         NULL                            }
1801 };
1802
1803 static struct ValueTextInfo options_player_speed[] =
1804 {
1805   { 0,                          "frozen"                        },
1806   { 1,                          "very slow"                     },
1807   { 2,                          "slow"                          },
1808   { 4,                          "normal"                        },
1809   { 8,                          "fast"                          },
1810   { 16,                         "very fast"                     },
1811   { 32,                         "ultrafast"                     },
1812
1813   { -1,                         NULL                            }
1814 };
1815
1816 static struct ValueTextInfo options_access_type[] =
1817 {
1818   { EP_WALKABLE,                "walkable"                      },
1819   { EP_PASSABLE,                "passable"                      },
1820
1821   { -1,                         NULL                            }
1822 };
1823
1824 static struct ValueTextInfo options_access_layer[] =
1825 {
1826   { EP_ACCESSIBLE_OVER,         "over"                          },
1827   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1828   { EP_ACCESSIBLE_UNDER,        "under"                         },
1829
1830   { -1,                         NULL                            }
1831 };
1832
1833 static struct ValueTextInfo options_access_protected[] =
1834 {
1835   { 0,                          "unprotected"                   },
1836   { 1,                          "protected"                     },
1837
1838   { -1,                         NULL                            }
1839 };
1840
1841 static struct ValueTextInfo options_access_direction[] =
1842 {
1843   { MV_NO_DIRECTION,            "no direction"                  },
1844   { MV_LEFT,                    "left"                          },
1845   { MV_RIGHT,                   "right"                         },
1846   { MV_UP,                      "up"                            },
1847   { MV_DOWN,                    "down"                          },
1848   { MV_LEFT  | MV_UP,           "left + up"                     },
1849   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1850   { MV_RIGHT | MV_UP,           "right + up"                    },
1851   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1852   { MV_HORIZONTAL,              "horizontal"                    },
1853   { MV_VERTICAL,                "vertical"                      },
1854   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1855   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1856   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1857   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1858   { MV_ALL_DIRECTIONS,          "all directions"                },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_walk_to_action[] =
1864 {
1865   { EP_DIGGABLE,                "diggable"                      },
1866   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1867   { EP_DROPPABLE,               "collectible & droppable"       },
1868   { EP_THROWABLE,               "collectible & throwable"       },
1869   { EP_PUSHABLE,                "pushable"                      },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_move_pattern[] =
1875 {
1876   { MV_LEFT,                    "left"                          },
1877   { MV_RIGHT,                   "right"                         },
1878   { MV_UP,                      "up"                            },
1879   { MV_DOWN,                    "down"                          },
1880   { MV_HORIZONTAL,              "horizontal"                    },
1881   { MV_VERTICAL,                "vertical"                      },
1882   { MV_ALL_DIRECTIONS,          "all directions"                },
1883   { MV_WIND_DIRECTION,          "wind direction"                },
1884   { MV_TOWARDS_PLAYER,          "towards player"                },
1885   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1886   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1887   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1888   { MV_TURNING_LEFT,            "turning left"                  },
1889   { MV_TURNING_RIGHT,           "turning right"                 },
1890   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1891   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1892   { MV_TURNING_RANDOM,          "turning random"                },
1893   { MV_MAZE_RUNNER,             "maze runner style"             },
1894   { MV_MAZE_HUNTER,             "maze hunter style"             },
1895   { MV_WHEN_PUSHED,             "when pushed"                   },
1896   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1897
1898   { -1,                         NULL                            }
1899 };
1900
1901 static struct ValueTextInfo options_move_direction[] =
1902 {
1903   { MV_START_AUTOMATIC,         "automatic"                     },
1904   { MV_START_LEFT,              "left"                          },
1905   { MV_START_RIGHT,             "right"                         },
1906   { MV_START_UP,                "up"                            },
1907   { MV_START_DOWN,              "down"                          },
1908   { MV_START_RANDOM,            "random"                        },
1909   { MV_START_PREVIOUS,          "previous"                      },
1910
1911   { -1,                         NULL                            }
1912 };
1913
1914 static struct ValueTextInfo options_move_stepsize[] =
1915 {
1916   { 0,                          "not moving"                    },
1917   { 1,                          "very slow"                     },
1918   { 2,                          "slow"                          },
1919   { 4,                          "normal"                        },
1920   { 8,                          "fast"                          },
1921   { 16,                         "very fast"                     },
1922   { 32,                         "even faster"                   },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_move_leave_type[] =
1928 {
1929   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1930   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_smash_targets[] =
1936 {
1937   { EP_CAN_SMASH_PLAYER,        "player"                        },
1938 #if 0
1939   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1940 #endif
1941   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1942
1943   { -1,                         NULL                            }
1944 };
1945
1946 static struct ValueTextInfo options_slippery_type[] =
1947 {
1948   { SLIPPERY_ANY_RANDOM,        "random"                        },
1949   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1950   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1951   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1952   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1953
1954   { -1,                         NULL                            }
1955 };
1956
1957 static struct ValueTextInfo options_deadliness[] =
1958 {
1959   { EP_DONT_RUN_INTO,           "running into"                  },
1960   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1961   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1962   { EP_DONT_TOUCH,              "touching"                      },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_explosion_type[] =
1968 {
1969   { EXPLODES_3X3,               "3x3"                           },
1970   { EXPLODES_CROSS,             "3+3"                           },
1971   { EXPLODES_1X1,               "1x1"                           },
1972
1973   { -1,                         NULL                            }
1974 };
1975
1976 static struct ValueTextInfo options_time_units[] =
1977 {
1978   { 1,                          "frames"                        },
1979   { FRAMES_PER_SECOND,          "seconds"                       },
1980
1981   { -1,                         NULL                            }
1982 };
1983
1984 static struct ValueTextInfo options_change_direct_action[] =
1985 {
1986   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1987   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1988   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1989   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1990   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1991   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1992   { CE_LEFT_BY_PLAYER,          "left by player"                },
1993   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1994   { CE_SWITCHED,                "switched"                      },
1995   { CE_HITTING_SOMETHING,       "hitting something"             },
1996   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1997 #if 0
1998   { CE_BLOCKED,                 "blocked"                       },
1999 #endif
2000   { CE_IMPACT,                  "impact (on something)"         },
2001   { CE_SMASHED,                 "smashed (from above)"          },
2002 #if 0
2003   { CE_VALUE_CHANGES,           "CE value changes"              },
2004   { CE_SCORE_CHANGES,           "CE score changes"              },
2005 #endif
2006   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2007   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2008   { CE_UNDEFINED,               " "                             },
2009   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2010   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2011   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2012
2013   { -1,                         NULL                            }
2014 };
2015
2016 static struct ValueTextInfo options_change_other_action[] =
2017 {
2018   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2019   { CE_PLAYER_PRESSES_X,        "player presses"                },
2020   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2021   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2022   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2023   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2024   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2025   { CE_PLAYER_DIGS_X,           "player digs"                   },
2026   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2027   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2028   { CE_TOUCHING_X,              "touching"                      },
2029   { CE_HITTING_X,               "hitting"                       },
2030   { CE_DIGGING_X,               "digging"                       },
2031   { CE_HIT_BY_X,                "hit by"                        },
2032   { CE_SWITCH_OF_X,             "switch of"                     },
2033   { CE_CHANGE_OF_X,             "change by page of"             },
2034   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2035   { CE_MOVE_OF_X,               "move of"                       },
2036   { CE_CREATION_OF_X,           "creation of"                   },
2037   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2038   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2039   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2040   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2041   { CE_UNDEFINED,               " "                             },
2042   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2043   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2044   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2045
2046   { -1,                         NULL                            }
2047 };
2048
2049 static struct ValueTextInfo options_change_trigger_side[] =
2050 {
2051   { CH_SIDE_LEFT,               "left"                          },
2052   { CH_SIDE_RIGHT,              "right"                         },
2053   { CH_SIDE_TOP,                "top"                           },
2054   { CH_SIDE_BOTTOM,             "bottom"                        },
2055   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2056   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2057   { CH_SIDE_ANY,                "any"                           },
2058
2059   { -1,                         NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_change_trigger_player[] =
2063 {
2064   { CH_PLAYER_1,                "1"                             },
2065   { CH_PLAYER_2,                "2"                             },
2066   { CH_PLAYER_3,                "3"                             },
2067   { CH_PLAYER_4,                "4"                             },
2068   { CH_PLAYER_ANY,              "any"                           },
2069
2070   { -1,                         NULL                            }
2071 };
2072
2073 static struct ValueTextInfo options_change_trigger_page[] =
2074 {
2075   { (1 << 0),                   "1"                             },
2076   { (1 << 1),                   "2"                             },
2077   { (1 << 2),                   "3"                             },
2078   { (1 << 3),                   "4"                             },
2079   { (1 << 4),                   "5"                             },
2080   { (1 << 5),                   "6"                             },
2081   { (1 << 6),                   "7"                             },
2082   { (1 << 7),                   "8"                             },
2083   { (1 << 8),                   "9"                             },
2084   { (1 << 9),                   "10"                            },
2085   { (1 << 10),                  "11"                            },
2086   { (1 << 11),                  "12"                            },
2087   { (1 << 12),                  "13"                            },
2088   { (1 << 13),                  "14"                            },
2089   { (1 << 14),                  "15"                            },
2090   { (1 << 15),                  "16"                            },
2091   { (1 << 16),                  "17"                            },
2092   { (1 << 17),                  "18"                            },
2093   { (1 << 18),                  "19"                            },
2094   { (1 << 19),                  "20"                            },
2095   { (1 << 20),                  "21"                            },
2096   { (1 << 21),                  "22"                            },
2097   { (1 << 22),                  "23"                            },
2098   { (1 << 23),                  "24"                            },
2099   { (1 << 24),                  "25"                            },
2100   { (1 << 25),                  "26"                            },
2101   { (1 << 26),                  "27"                            },
2102   { (1 << 27),                  "28"                            },
2103   { (1 << 28),                  "29"                            },
2104   { (1 << 29),                  "30"                            },
2105   { (1 << 30),                  "31"                            },
2106   { (1 << 31),                  "32"                            },
2107   { CH_PAGE_ANY,                "any"                           },
2108
2109   { -1,                         NULL                            }
2110 };
2111
2112 static struct ValueTextInfo options_change_replace_when[] =
2113 {
2114   { CP_WHEN_EMPTY,              "empty"                         },
2115   { CP_WHEN_WALKABLE,           "walkable"                      },
2116   { CP_WHEN_DIGGABLE,           "diggable"                      },
2117   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2118   { CP_WHEN_REMOVABLE,          "removable"                     },
2119   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2120
2121   { -1,                         NULL                            }
2122 };
2123
2124 static struct ValueTextInfo options_action_type[] =
2125 {
2126   { CA_NO_ACTION,               "no action"                     },
2127   { CA_UNDEFINED,               " "                             },
2128   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2129   { CA_RESTART_LEVEL,           "restart level"                 },
2130   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2131   { CA_SET_LEVEL_TIME,          "set time"                      },
2132   { CA_SET_LEVEL_SCORE,         "set score"                     },
2133   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2134   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2135   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2136   { CA_UNDEFINED,               " "                             },
2137   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2138   { CA_MOVE_PLAYER,             "move player"                   },
2139   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2140   { CA_EXIT_PLAYER,             "exit player"                   },
2141   { CA_KILL_PLAYER,             "kill player"                   },
2142   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2143   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2144   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2145   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2146   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2147   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2148   { CA_UNDEFINED,               " "                             },
2149   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2150   { CA_SET_CE_VALUE,            "set CE value"                  },
2151   { CA_SET_CE_SCORE,            "set CE score"                  },
2152   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2153   { CA_UNDEFINED,               " "                             },
2154   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2155   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2156
2157   { -1,                         NULL                            }
2158 };
2159
2160 static struct ValueTextInfo options_action_mode_none[] =
2161 {
2162   { CA_MODE_UNDEFINED,          " "                             },
2163
2164   { -1,                         NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_action_mode_assign[] =
2168 {
2169   { CA_MODE_SET,                "="                             },
2170
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_action_mode_add_remove[] =
2175 {
2176   { CA_MODE_ADD,                "+"                             },
2177   { CA_MODE_SUBTRACT,           "-"                             },
2178
2179   { -1,                         NULL                            }
2180 };
2181
2182 static struct ValueTextInfo options_action_mode_calculate[] =
2183 {
2184   { CA_MODE_SET,                "="                             },
2185   { CA_MODE_ADD,                "+"                             },
2186   { CA_MODE_SUBTRACT,           "-"                             },
2187   { CA_MODE_MULTIPLY,           "*"                             },
2188   { CA_MODE_DIVIDE,             "/"                             },
2189   { CA_MODE_MODULO,             "%"                             },
2190
2191   { -1,                         NULL                            }
2192 };
2193
2194 static struct ValueTextInfo options_action_arg_none[] =
2195 {
2196   { CA_ARG_UNDEFINED,           "         "                     },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_action_arg_player[] =
2202 {
2203   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2204   { CA_ARG_PLAYER_1,            "1"                             },
2205   { CA_ARG_PLAYER_2,            "2"                             },
2206   { CA_ARG_PLAYER_3,            "3"                             },
2207   { CA_ARG_PLAYER_4,            "4"                             },
2208   { CA_ARG_PLAYER_ANY,          "any"                           },
2209   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2210   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2211
2212   { -1,                         NULL                            }
2213 };
2214
2215 static struct ValueTextInfo options_action_arg_number[] =
2216 {
2217   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2218   { CA_ARG_0,                   "0"                             },
2219   { CA_ARG_1,                   "1"                             },
2220   { CA_ARG_2,                   "2"                             },
2221   { CA_ARG_3,                   "3"                             },
2222   { CA_ARG_4,                   "4"                             },
2223   { CA_ARG_5,                   "5"                             },
2224   { CA_ARG_10,                  "10"                            },
2225   { CA_ARG_100,                 "100"                           },
2226   { CA_ARG_1000,                "1000"                          },
2227   { CA_ARG_UNDEFINED,           " "                             },
2228   { CA_ARG_NUMBER_MIN,          "min"                           },
2229   { CA_ARG_NUMBER_MAX,          "max"                           },
2230   { CA_ARG_UNDEFINED,           " "                             },
2231   { CA_ARG_NUMBER_RESET,        "reset"                         },
2232   { CA_ARG_UNDEFINED,           " "                             },
2233   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2234   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2235   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2236   { CA_ARG_UNDEFINED,           " "                             },
2237   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2238   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2239   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2240   { CA_ARG_UNDEFINED,           " "                             },
2241   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2242   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2243   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2244   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2245   { CA_ARG_UNDEFINED,           " "                             },
2246   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2247   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2248   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2249   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2250
2251   { -1,                         NULL                            }
2252 };
2253
2254 static struct ValueTextInfo options_action_arg_value[] =
2255 {
2256   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2257   { CA_ARG_0,                   "0"                             },
2258   { CA_ARG_1,                   "1"                             },
2259   { CA_ARG_2,                   "2"                             },
2260   { CA_ARG_3,                   "3"                             },
2261   { CA_ARG_4,                   "4"                             },
2262   { CA_ARG_5,                   "5"                             },
2263   { CA_ARG_10,                  "10"                            },
2264   { CA_ARG_100,                 "100"                           },
2265   { CA_ARG_1000,                "1000"                          },
2266   { CA_ARG_UNDEFINED,           " "                             },
2267   { CA_ARG_NUMBER_MIN,          "min"                           },
2268   { CA_ARG_NUMBER_MAX,          "max"                           },
2269   { CA_ARG_UNDEFINED,           " "                             },
2270   { CA_ARG_NUMBER_RESET,        "reset"                         },
2271   { CA_ARG_UNDEFINED,           " "                             },
2272   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2273   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2274   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2275   { CA_ARG_UNDEFINED,           " "                             },
2276   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2277   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2278   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2279   { CA_ARG_UNDEFINED,           " "                             },
2280   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2281   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2282   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2283   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2284   { CA_ARG_UNDEFINED,           " "                             },
2285   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2286   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2287   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2288   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2289   { CA_ARG_UNDEFINED,           " "                             },
2290   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2291   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2292   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2293   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2294
2295   { -1,                         NULL                            }
2296 };
2297
2298 static struct ValueTextInfo options_action_arg_envelope[] =
2299 {
2300   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2301   { CA_ARG_1,                   "1"                             },
2302   { CA_ARG_2,                   "2"                             },
2303   { CA_ARG_3,                   "3"                             },
2304   { CA_ARG_4,                   "4"                             },
2305   { CA_ARG_UNDEFINED,           " "                             },
2306   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2307   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2308   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2309   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2310
2311   { -1,                         NULL                            }
2312 };
2313
2314 static struct ValueTextInfo options_action_arg_key[] =
2315 {
2316   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2317   { CA_ARG_1,                   "1"                             },
2318   { CA_ARG_2,                   "2"                             },
2319   { CA_ARG_3,                   "3"                             },
2320   { CA_ARG_4,                   "4"                             },
2321   { CA_ARG_5,                   "5"                             },
2322   { CA_ARG_6,                   "6"                             },
2323   { CA_ARG_7,                   "7"                             },
2324   { CA_ARG_8,                   "8"                             },
2325   { CA_ARG_UNDEFINED,           " "                             },
2326   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2327   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2328   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2329   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2330
2331   { -1,                         NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_action_arg_speed[] =
2335 {
2336   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2337   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2338   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2339   { CA_ARG_SPEED_SLOW,          "slow"                          },
2340   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2341   { CA_ARG_SPEED_FAST,          "fast"                          },
2342   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2343   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2344   { CA_ARG_UNDEFINED,           " "                             },
2345   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2346   { CA_ARG_SPEED_FASTER,        "faster"                        },
2347   { CA_ARG_UNDEFINED,           " "                             },
2348   { CA_ARG_SPEED_RESET,         "reset"                         },
2349
2350   { -1,                         NULL                            }
2351 };
2352
2353 static struct ValueTextInfo options_action_arg_shield[] =
2354 {
2355   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2356   { CA_ARG_SHIELD_OFF,          "off"                           },
2357   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2358   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2359
2360   { -1,                         NULL                            }
2361 };
2362
2363 static struct ValueTextInfo options_action_arg_artwork[] =
2364 {
2365   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2366   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2367   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2368   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2369   { CA_ARG_UNDEFINED,           " "                             },
2370   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2371
2372   { -1,                         NULL                            }
2373 };
2374
2375 static struct ValueTextInfo options_action_arg_gravity[] =
2376 {
2377   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2378   { CA_ARG_GRAVITY_ON,          "on"                            },
2379   { CA_ARG_GRAVITY_OFF,         "off"                           },
2380   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2381
2382   { -1,                         NULL                            }
2383 };
2384
2385 static struct ValueTextInfo options_action_arg_direction[] =
2386 {
2387   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2388   { CA_ARG_DIRECTION_NONE,      "none"                          },
2389   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2390   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2391   { CA_ARG_DIRECTION_UP,        "up"                            },
2392   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2393   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2394   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2395
2396   { -1,                         NULL                            }
2397 };
2398
2399 static struct ValueTextInfo options_action_arg_scan_mode[] =
2400 {
2401   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2402   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2403   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2404
2405   { -1,                         NULL                            }
2406 };
2407
2408 static struct ValueTextInfo options_action_arg_inventory[] =
2409 {
2410   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2411   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2412   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2413   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2414   { CA_ARG_UNDEFINED,           " "                             },
2415   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2416   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2417   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2418   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2419   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2420   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2421   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2422   { CA_ARG_UNDEFINED,           " "                             },
2423   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2424
2425   { -1,                         NULL                            }
2426 };
2427
2428 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2429 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2430 {
2431   { -1,                         NULL                            }
2432 };
2433
2434 static struct ValueTextInfo options_group_choice_mode[] =
2435 {
2436   { ANIM_RANDOM,                "random"                        },
2437   { ANIM_LOOP,                  "loop"                          },
2438   { ANIM_LINEAR,                "linear"                        },
2439   { ANIM_PINGPONG,              "pingpong"                      },
2440   { ANIM_PINGPONG2,             "pingpong 2"                    },
2441
2442   { -1,                         NULL                            }
2443 };
2444
2445 static struct ValueTextInfo *action_arg_modes[] =
2446 {
2447   options_action_mode_none,
2448   options_action_mode_assign,
2449   options_action_mode_add_remove,
2450   options_action_mode_calculate,
2451 };
2452
2453 static struct
2454 {
2455   int value;
2456   int mode;
2457   struct ValueTextInfo *options;
2458 }
2459 action_arg_options[] =
2460 {
2461   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2462   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2463   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2464   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2465   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2466   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2467   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2468   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2469   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2470   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2471   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2472   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2473   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2474   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2475   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2476   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2477   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2478   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2479   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2480   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2481   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2482   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2483
2484   { -1,                         FALSE,  NULL                            }
2485 };
2486
2487 static struct
2488 {
2489   int x, y;
2490   int gadget_id;
2491   int gadget_id_align;
2492   int size;     // char size of selectbox or '-1' (dynamically determined)
2493   struct ValueTextInfo *options;
2494   int *value;
2495   char *text_above, *text_left, *text_right, *infotext;
2496 } selectbox_info[ED_NUM_SELECTBOX] =
2497 {
2498   // ---------- level and editor settings -------------------------------------
2499
2500   {
2501     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2502     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2503     -1,
2504     options_time_or_steps,
2505     &level.use_step_counter,
2506     NULL, NULL, "(0 => no limit)",      "time or step limit"
2507   },
2508   {
2509     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2510     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2511     -1,
2512     options_time_score_base,
2513     &level.time_score_base,
2514     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2515   },
2516   {
2517     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2518     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2519     -1,
2520     options_game_engine_type,
2521     &level.game_engine_type,
2522     NULL, "game engine:", NULL,         "game engine"
2523   },
2524   {
2525     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2526     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2527     -1,
2528     options_levelset_save_mode,
2529     &levelset_save_mode,
2530     "Action:", NULL, NULL,              "action when saving level set"
2531   },
2532
2533   // ---------- element settings: configure (several elements) ----------------
2534
2535   {
2536     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2537     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2538     -1,
2539     options_wind_direction,
2540     &level.wind_direction_initial,
2541     NULL, "initial wind direction:", NULL,      "initial wind direction"
2542   },
2543   {
2544     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2545     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2546     -1,
2547     options_player_speed,
2548     &level.initial_player_stepsize[0],
2549     NULL, "initial player speed:", NULL,        "initial player speed"
2550   },
2551
2552   // ---------- element settings: configure 1 (custom elements) ---------------
2553
2554   {
2555     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2556     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2557     -1,
2558     options_access_type,
2559     &custom_element.access_type,
2560     NULL, NULL, NULL,                   "type of access to this field"
2561   },
2562   {
2563     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2564     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2565     -1,
2566     options_access_layer,
2567     &custom_element.access_layer,
2568     NULL, NULL, NULL,                   "layer of access for this field"
2569   },
2570   {
2571     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2572     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2573     -1,
2574     options_access_protected,
2575     &custom_element.access_protected,
2576     NULL, NULL, NULL,                   "protected access for this field"
2577   },
2578   {
2579     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2580     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2581     -1,
2582     options_access_direction,
2583     &custom_element.access_direction,
2584     NULL, "from", NULL,                 "access direction for this field"
2585   },
2586   {
2587     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2588     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2589     -1,
2590     options_walk_to_action,
2591     &custom_element.walk_to_action,
2592     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2593   },
2594
2595   // ---------- element settings: configure 2 (custom elements) ---------------
2596
2597   {
2598     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2599     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2600     -1,
2601     options_move_pattern,
2602     &custom_element.move_pattern,
2603     NULL, "can move", NULL,             "element move pattern"
2604   },
2605   {
2606     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2607     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2608     -1,
2609     options_move_direction,
2610     &custom_element.move_direction_initial,
2611     NULL, "starts moving", NULL,        "initial element move direction"
2612   },
2613   {
2614     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2615     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2616     -1,
2617     options_move_stepsize,
2618     &custom_element.move_stepsize,
2619     NULL, "move/fall speed", NULL,      "speed of element movement"
2620   },
2621   {
2622     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2623     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2624     -1,
2625     options_move_leave_type,
2626     &custom_element.move_leave_type,
2627     // left text with leading spaces to place gadget next to "can dig" gadget
2628     // (needed because drawing area gadgets created after selectbox gadgets)
2629     // NULL, "can dig:    can", ":",    "leave behind or change element"
2630     NULL, "            can", ":",       "leave behind or change element"
2631   },
2632   {
2633     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2634     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2635     -1,
2636     options_smash_targets,
2637     &custom_element.smash_targets,
2638     NULL, "can smash", NULL,            "elements that can be smashed"
2639   },
2640   {
2641     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2642     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2643     -1,
2644     options_slippery_type,
2645     &custom_element.slippery_type,
2646     NULL, "slippery", NULL,             "where other elements fall down"
2647   },
2648   {
2649     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2650     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2651     -1,
2652     options_deadliness,
2653     &custom_element.deadliness,
2654     NULL, "deadly when", NULL,          "deadliness of element"
2655   },
2656   {
2657     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2658     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2659     -1,
2660     options_explosion_type,
2661     &custom_element.explosion_type,
2662     NULL, "can explode", NULL,          "explosion type"
2663   },
2664
2665   // ---------- element settings: advanced (custom elements) ------------------
2666
2667   {
2668     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2669     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2670     -1,
2671     options_time_units,
2672     &custom_element_change.delay_frames,
2673     NULL, "delay time given in", NULL,  "delay time units for change"
2674   },
2675   {
2676     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2677     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2678     -1,
2679     options_change_direct_action,
2680     &custom_element_change.direct_action,
2681     NULL, NULL, NULL,                   "type of direct action"
2682   },
2683   {
2684     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2685     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2686     -1,
2687     options_change_other_action,
2688     &custom_element_change.other_action,
2689     NULL, NULL, "element:",             "type of other element action"
2690   },
2691   {
2692     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2693     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2694     -1,
2695     options_change_trigger_side,
2696     &custom_element_change.trigger_side,
2697     NULL, "at", "side",                 "element side triggering change"
2698   },
2699   {
2700     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2701     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2702     -1,
2703     options_change_trigger_player,
2704     &custom_element_change.trigger_player,
2705     NULL, "player:", " ",               "player that causes change"
2706   },
2707   {
2708     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2709     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2710     -1,
2711     options_change_trigger_page,
2712     &custom_element_change.trigger_page,
2713     NULL, "page:", NULL,                "change page that causes change"
2714   },
2715   {
2716     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2717     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2718     -1,
2719     options_change_replace_when,
2720     &custom_element_change.replace_when,
2721     NULL, "replace when", NULL,         "which elements can be replaced"
2722   },
2723   {
2724     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2725     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2726     15,
2727     options_action_type,
2728     &custom_element_change.action_type,
2729     NULL, NULL, NULL,                   "action on specified condition"
2730   },
2731   {
2732     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2733     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2734     -1,
2735     options_action_mode_none,
2736     &custom_element_change.action_mode,
2737     NULL, NULL, NULL,                   "action operator"
2738   },
2739   {
2740     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2741     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2742     -1,
2743     options_action_arg_none,
2744     &custom_element_change.action_arg,
2745     NULL, NULL, NULL,                   "action parameter"
2746   },
2747   {
2748     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2749     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2750     3,
2751     options_change_page,
2752     &custom_element.current_change_page,
2753     NULL, NULL, NULL,                   "element change page"
2754   },
2755
2756   // ---------- element settings: configure (group elements) ------------------
2757
2758   {
2759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2760     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2761     -1,
2762     options_group_choice_mode,
2763     &group_element_info.choice_mode,
2764     NULL, "choice type:", NULL,         "type of group element choice"
2765   },
2766 };
2767
2768 static struct
2769 {
2770   int x, y;
2771   int gadget_id;
2772   int gadget_id_align;
2773   int size;
2774   char *text;
2775   char *text_above, *text_left, *text_right, *infotext;
2776 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2777 {
2778   // ---------- level and editor settings (tabs) ------------------------------
2779
2780   {
2781     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2782     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2783     8,                                  "Level",
2784     NULL, NULL, NULL,                   "Configure level properties"
2785   },
2786   {
2787     -1,                                 -1,
2788     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2789     8,                                  "Levelset",
2790     NULL, NULL, NULL,                   "Update this or create new level set"
2791   },
2792   {
2793     -1,                                 -1,
2794     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2795     8,                                  "Editor",
2796     NULL, NULL, NULL,                   "Configure editor properties"
2797   },
2798
2799   // ---------- element settings (tabs) ---------------------------------------
2800
2801   {
2802     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2803     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2804     8,                                  "Info",
2805     NULL, NULL, NULL,                   "Show information about element"
2806   },
2807   {
2808     -1,                                 -1,
2809     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2810     8,                                  "Config",
2811     NULL, NULL, NULL,                   "Configure element properties"
2812   },
2813   {
2814     -1,                                 -1,
2815     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2816     8,                                  "Config 1",
2817     NULL, NULL, NULL,                   "Configure element properties, part 1"
2818   },
2819   {
2820     -1,                                 -1,
2821     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2822     8,                                  "Config 2",
2823     NULL, NULL, NULL,                   "Configure element properties, part 2"
2824   },
2825   {
2826     -1,                                 -1,
2827     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2828     8,                                  "Change",
2829     NULL, NULL, NULL,                   "Configure custom element change pages"
2830   },
2831
2832   // ---------- level and editor settings (buttons) ---------------------------
2833
2834   {
2835     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2836     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2837     -1,                                 "Save",
2838     NULL, NULL, NULL,                   "Update or create level set"
2839   },
2840   {
2841     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2842     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2843     -1,                                 "Save",
2844     NULL, NULL,                         "this level as level template",
2845     "Save current settings as new template"
2846   },
2847
2848   // ---------- element settings (buttons) ------------------------------------
2849
2850   {
2851     -1,                                 -1,
2852     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2853     -1,                                 "Save",
2854     NULL, " ",                          "As Template",
2855     "Save current settings as new template"
2856   },
2857   {
2858     -1,                                 -1,
2859     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2860     -1,                                 "New",
2861     NULL, NULL, NULL,                   "Add new change page"
2862   },
2863   {
2864     -1,                                 -1,
2865     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2866     -1,                                 "Delete",
2867     NULL, NULL, NULL,                   "Delete current change page"
2868   },
2869 };
2870
2871 static struct
2872 {
2873   int graphic;
2874   int x, y;
2875   int gadget_id;
2876   int gadget_id_align;
2877   char *text_left, *text_right, *infotext;
2878 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2879 {
2880   {
2881     IMG_EDITOR_COUNTER_DOWN,
2882     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2883     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2884     NULL, NULL,                         "select previous change page"
2885   },
2886   {
2887     IMG_EDITOR_COUNTER_UP,
2888     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2889     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2890     NULL, "change page",                "select next change page"
2891   },
2892   {
2893     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2894     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2895     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2896     " ", NULL,                          "copy settings from this change page"
2897   },
2898   {
2899     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2900     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2901     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2902     NULL, NULL,                         "paste settings to this change page"
2903   },
2904 };
2905
2906 static struct
2907 {
2908   int x, y;
2909 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2910
2911 static struct
2912 {
2913   int graphic;
2914   int gadget_id;
2915   char *infotext;
2916 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2917 {
2918   {
2919     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2920     GADGET_ID_SCROLL_UP,
2921     "scroll level editing area up"
2922   },
2923   {
2924     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2925     GADGET_ID_SCROLL_DOWN,
2926     "scroll level editing area down"
2927   },
2928   {
2929     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2930     GADGET_ID_SCROLL_LEFT,
2931     "scroll level editing area left"
2932   },
2933   {
2934     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2935     GADGET_ID_SCROLL_RIGHT,
2936     "scroll level editing area right"
2937   },
2938   {
2939     IMG_EDITOR_PALETTE_SCROLL_UP,
2940     GADGET_ID_SCROLL_LIST_UP,
2941     "scroll element list up ('Page Up')"
2942   },
2943   {
2944     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2945     GADGET_ID_SCROLL_LIST_DOWN,
2946     "scroll element list down ('Page Down')"
2947   },
2948 };
2949
2950 static struct
2951 {
2952   int x, y;
2953   int width, height;
2954   int wheel_x, wheel_y;
2955   int wheel_width, wheel_height;
2956 } scrollbar_pos[ED_NUM_SCROLLBARS];
2957
2958 static struct
2959 {
2960   int graphic;
2961   int type;
2962   int gadget_id;
2963   char *infotext;
2964 } scrollbar_info[ED_NUM_SCROLLBARS] =
2965 {
2966   {
2967     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2968     GD_TYPE_SCROLLBAR_HORIZONTAL,
2969     GADGET_ID_SCROLL_HORIZONTAL,
2970     "scroll level editing area horizontally"
2971   },
2972   {
2973     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2974     GD_TYPE_SCROLLBAR_VERTICAL,
2975     GADGET_ID_SCROLL_VERTICAL,
2976     "scroll level editing area vertically"
2977   },
2978   {
2979     IMG_EDITOR_PALETTE_SCROLLBAR,
2980     GD_TYPE_SCROLLBAR_VERTICAL,
2981     GADGET_ID_SCROLL_LIST_VERTICAL,
2982     "scroll element list vertically"
2983   }
2984 };
2985
2986
2987 static struct
2988 {
2989   int x, y;
2990   int gadget_id;
2991   int gadget_id_align;
2992   int radio_button_nr;
2993   int *value;
2994   int checked_value;
2995   char *text_left, *text_right, *infotext;
2996 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2997 {
2998   {
2999     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3000     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3001     RADIO_NR_RANDOM_ELEMENTS,
3002     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3003     " ", "percentage",                  "use percentage for random elements"
3004   },
3005   {
3006     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3007     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3008     RADIO_NR_RANDOM_ELEMENTS,
3009     &random_placement_method,           RANDOM_USE_QUANTITY,
3010     " ", "quantity",                    "use quantity for random elements"
3011   }
3012 };
3013
3014 static struct
3015 {
3016   int x, y;
3017   int gadget_id;
3018   int gadget_id_align;
3019   boolean *value;
3020   char *text_above, *text_left, *text_right, *infotext;
3021 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3022 {
3023   // ---------- level and editor settings -------------------------------------
3024
3025   {
3026     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3027     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3028     &level.auto_count_gems,
3029     NULL, NULL,
3030     "automatically count gems needed",  "set counter to number of gems"
3031   },
3032   {
3033     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3034     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3035     &level.rate_time_over_score,
3036     NULL, NULL,
3037     "rate time/steps used over score",  "sort high scores by playing time/steps"
3038   },
3039   {
3040     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3041     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3042     &levelset_use_levelset_artwork,
3043     NULL, NULL,
3044     "use current custom artwork",       "use custom artwork of this level set"
3045   },
3046   {
3047     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3048     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3049     &levelset_copy_level_template,
3050     NULL, NULL,
3051     "copy current level template",      "copy level template of this level set"
3052   },
3053   {
3054     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3055     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3056     &random_placement_background_restricted,
3057     NULL, NULL,
3058     "restrict random placement to:",    "set random placement restriction"
3059   },
3060   {
3061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3062     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3063     &setup.editor.use_template_for_new_levels,
3064     "Template for new levels and CE/GE:", NULL,
3065     "use template for new levels",      "use template for level properties"
3066   },
3067   {
3068     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3069     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3070     &level.use_custom_template,
3071     NULL, NULL,
3072     "use template for custom elements", "use template for custom properties"
3073   },
3074
3075   // ---------- element settings: configure (various elements) ----------------
3076
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3079     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3080     &stick_element_properties_window,
3081     NULL, NULL,
3082     "stick this screen to edit content","stick this screen to edit content"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3086     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3087     &level.em_slippery_gems,
3088     NULL, NULL,
3089     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3094     &level.em_explodes_by_fire,
3095     NULL, NULL,
3096     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3100     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3101     &level.use_spring_bug,
3102     NULL, NULL,
3103     "use spring pushing bug",           "use odd spring pushing behaviour"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3107     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3108     &level.use_time_orb_bug,
3109     NULL, NULL,
3110     "use time orb bug",                 "use odd time orb behaviour"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3114     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3115     &level.use_life_bugs,
3116     NULL, NULL,
3117     "use buggy element behaviour",      "use odd (historic) element behaviour"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3121     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3122     &level.ball_random,
3123     NULL, NULL,
3124     "create single random element",     "only create one element from content"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3128     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3129     &level.ball_active_initial,
3130     NULL, NULL,
3131     "magic ball initially activated",   "activate magic ball after level start"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3135     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3136     &level.grow_into_diggable,
3137     NULL, NULL,
3138     "can grow into anything diggable",  "grow into more than just sand"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3142     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3143     &level.sb_fields_needed,
3144     NULL, NULL,
3145     "all fields need to be filled",     "require all SB fields to be solved"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3149     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3150     &level.sb_objects_needed,
3151     NULL, NULL,
3152     "all objects need to be placed",    "require all SB objects to be solved"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3156     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3157     &level.auto_exit_sokoban,
3158     NULL, NULL,
3159     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3163     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3164     &level.solved_by_one_player,
3165     NULL, NULL,
3166     "only one player must enter exit",  "level solved by first player in exit"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3170     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3171     &level.finish_dig_collect,
3172     NULL, NULL,
3173     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3177     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3178     &level.keep_walkable_ce,
3179     NULL, NULL,
3180     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3184     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3185     &level.continuous_snapping,
3186     NULL, NULL,
3187     "continuous snapping",              "use snapping without releasing key"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3191     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3192     &level.block_snap_field,
3193     NULL, NULL,
3194     "block snapped field when snapping", "use snapping delay to show animation"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3198     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3199     &level.block_last_field,
3200     NULL, NULL,
3201     "block last field when moving",     "player blocks last field when moving"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3205     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3206     &level.sp_block_last_field,
3207     NULL, NULL,
3208     "block last field when moving",     "player blocks last field when moving"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3212     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3213     &level.instant_relocation,
3214     NULL, NULL,
3215     "no scrolling when relocating",     "player gets relocated without delay"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3219     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3220     &level.shifted_relocation,
3221     NULL, NULL,
3222     "no centering when relocating",     "level not centered after relocation"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3226     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3227     &level.lazy_relocation,
3228     NULL, NULL,
3229     "only redraw off-screen relocation","no redraw if relocation target visible"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3233     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3234     &level.use_start_element[0],
3235     NULL, NULL,
3236     "use level start element:",        "start level at this element's position"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3240     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3241     &level.use_artwork_element[0],
3242     NULL, NULL,
3243     "use artwork from element:",        "use player artwork from other element"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3247     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3248     &level.use_explosion_element[0],
3249     NULL, NULL,
3250     "use explosion from element:",      "use explosion properties from element"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3254     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3255     &level.initial_player_gravity[0],
3256     NULL, NULL,
3257     "use initial gravity",              "set initial player gravity"
3258   },
3259   {
3260     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3261     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3262     &level.use_initial_inventory[0],
3263     NULL, NULL,
3264     "use initial inventory:",           "use collected elements on level start"
3265   },
3266   {
3267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3268     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3269     &level.can_pass_to_walkable,
3270     NULL, NULL,
3271     "can pass to walkable element",     "player can pass to empty or walkable"
3272   },
3273   {
3274     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3275     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3276     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3277     NULL, NULL,
3278     "can fall into acid (with gravity)","player can fall into acid pool"
3279   },
3280   {
3281     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3282     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3283     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3284     NULL, NULL,
3285     "can move into acid",               "element can move into acid pool"
3286   },
3287   {
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3289     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3290     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3291     NULL, NULL,
3292     "deadly when colliding with",       "element is deadly when hitting player"
3293   },
3294   {
3295     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3296     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3297     &level.envelope[0].autowrap,
3298     NULL, NULL,
3299     "auto-wrap",                        "automatically wrap envelope text"
3300   },
3301   {
3302     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3303     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3304     &level.envelope[0].centered,
3305     NULL, " ",
3306     "centered",                         "automatically center envelope text"
3307   },
3308   {
3309     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3310     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3311     &level.mm_laser_red,
3312     "choose color components for laser:", NULL,
3313     "red",                              "use red color components in laser"
3314   },
3315   {
3316     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3317     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3318     &level.mm_laser_green,
3319     NULL, NULL,
3320     "green",                            "use green color components in laser"
3321   },
3322   {
3323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3324     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3325     &level.mm_laser_blue,
3326     NULL, NULL,
3327     "blue",                             "use blue color components in laser"
3328   },
3329   {
3330     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3331     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3332     &level.df_laser_red,
3333     "choose color components for laser:", NULL,
3334     "red",                              "use red color components in laser"
3335   },
3336   {
3337     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3338     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3339     &level.df_laser_green,
3340     NULL, NULL,
3341     "green",                            "use green color components in laser"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3345     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3346     &level.df_laser_blue,
3347     NULL, NULL,
3348     "blue",                             "use blue color components in laser"
3349   },
3350
3351   // ---------- element settings: configure 1 (custom elements) ---------------
3352
3353   {
3354     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3355     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3356     &custom_element.use_gfx_element,
3357     NULL, NULL,
3358     "use graphic of element:",          "use existing element graphic"
3359   },
3360   {
3361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3362     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3363     &level.use_custom_template,
3364     NULL, NULL,
3365     "use template",                     "use template for custom properties"
3366   },
3367   {
3368     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3369     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3370     &custom_element_properties[EP_ACCESSIBLE],
3371     NULL, NULL,
3372     NULL,                               "player can walk to or pass this field"
3373   },
3374   {
3375     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3376     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3377     &custom_element_properties[EP_GRAVITY_REACHABLE],
3378     NULL, NULL,
3379     "reachable despite gravity",        "player can walk/dig despite gravity"
3380   },
3381   {
3382     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3383     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3384     &custom_element.use_last_ce_value,
3385     NULL, NULL,
3386     "use last CE value after change",   "use last CE value after change"
3387   },
3388   {
3389     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3390     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3391     &custom_element_properties[EP_WALK_TO_OBJECT],
3392     NULL, NULL,
3393     NULL,                               "player can dig/collect/push element"
3394   },
3395   {
3396     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3397     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3398     &custom_element_properties[EP_INDESTRUCTIBLE],
3399     NULL, NULL,
3400     "indestructible",                   "element is indestructible"
3401   },
3402
3403   // ---------- element settings: configure 2 (custom elements) ---------------
3404
3405   {
3406     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3407     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3408     &custom_element_properties[EP_CAN_MOVE],
3409     NULL, NULL,
3410     NULL,                               "element can move with some pattern"
3411   },
3412   {
3413     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3414     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3415     &custom_element_properties[EP_CAN_FALL],
3416     NULL, NULL,
3417     "can fall",                         "element can fall down"
3418   },
3419   {
3420     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3421     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3422     &custom_element_properties[EP_CAN_SMASH],
3423     NULL, " ",
3424     NULL,                               "element can smash other elements"
3425   },
3426   {
3427     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3428     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3429     &custom_element_properties[EP_SLIPPERY],
3430     NULL, NULL,
3431     NULL,                               "other elements can fall down from it"
3432   },
3433   {
3434     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3435     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3436     &custom_element_properties[EP_DEADLY],
3437     NULL, NULL,
3438     NULL,                               "element can kill the player"
3439   },
3440   {
3441     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3442     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3443     &custom_element_properties[EP_CAN_EXPLODE],
3444     NULL, NULL,
3445     NULL,                               "element can explode"
3446   },
3447   {
3448     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3449     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3450     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3451     NULL, NULL,
3452     "by fire",                          "element can explode by fire/explosion"
3453   },
3454   {
3455     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3456     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3457     &custom_element_properties[EP_EXPLODES_SMASHED],
3458     NULL, " ",
3459     "smashed",                          "element can explode when smashed"
3460   },
3461   {
3462     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3463     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3464     &custom_element_properties[EP_EXPLODES_IMPACT],
3465     NULL, " ",
3466     "impact",                           "element can explode on impact"
3467   },
3468
3469   // ---------- element settings: advanced (custom elements) ------------------
3470
3471   {
3472     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3473     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3474     &custom_element_change.can_change,
3475     NULL, NULL,
3476     "element changes to:",              "change element on specified condition"
3477   },
3478   {
3479     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3480     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3481     &custom_element_change_events[CE_DELAY],
3482     NULL, NULL,
3483     NULL,                               "element changes after delay"
3484   },
3485   {
3486     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3487     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3488     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3489     NULL, NULL,
3490     NULL,                               "element changes by direct action"
3491   },
3492   {
3493     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3494     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3495     &custom_element_change_events[CE_BY_OTHER_ACTION],
3496     NULL, NULL,
3497     NULL,                               "element changes by other element"
3498   },
3499   {
3500     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3501     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3502     &custom_element_change.explode,
3503     NULL, NULL,
3504     "explode instead of change",        "element explodes instead of change"
3505   },
3506   {
3507     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3508     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3509     &custom_element_change.use_target_content,
3510     NULL, NULL,
3511     "use extended change target:",      "element changes to more elements"
3512   },
3513   {
3514     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3515     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3516     &custom_element_change.only_if_complete,
3517     NULL, NULL,
3518     "replace all or nothing",           "only replace when all can be changed"
3519   },
3520   {
3521     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3522     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3523     &custom_element_change.use_random_replace,
3524     NULL, NULL,
3525     NULL,                               "use percentage for random replace"
3526   },
3527   {
3528     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3529     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3530     &custom_element_change.has_action,
3531     NULL, NULL,
3532     NULL,                               "execute action on specified condition"
3533   },
3534 };
3535
3536 static struct
3537 {
3538   int x, y;
3539   int xoffset, yoffset;
3540   int gadget_id;
3541   int gadget_id_align;
3542   int *value;
3543   int area_xsize, area_ysize;
3544   char *text_left, *text_right, *text_above, *text_below, *infotext;
3545 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3546 {
3547   // ---------- level playfield content ---------------------------------------
3548
3549   {
3550     0,                                  0,
3551     0,                                  0,
3552     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3553     NULL,
3554     -1, -1,     // these values are not constant, but can change at runtime
3555     NULL, NULL, NULL, NULL,             NULL
3556   },
3557
3558   // ---------- yam yam content -----------------------------------------------
3559
3560   {
3561     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3562     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3563     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3564     &level.yamyam_content[0].e[0][0],   3, 3,
3565     NULL, NULL, NULL, "1",              NULL
3566   },
3567   {
3568     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3569     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3570     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3571     &level.yamyam_content[1].e[0][0],   3, 3,
3572     NULL, NULL, NULL, "2",              NULL
3573   },
3574   {
3575     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3576     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3577     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3578     &level.yamyam_content[2].e[0][0],   3, 3,
3579     NULL, NULL, NULL, "3",              NULL
3580   },
3581   {
3582     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3583     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3584     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3585     &level.yamyam_content[3].e[0][0],   3, 3,
3586     NULL, NULL, NULL, "4",              NULL
3587   },
3588   {
3589     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3590     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3591     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3592     &level.yamyam_content[4].e[0][0],   3, 3,
3593     NULL, NULL, NULL, "5",              NULL
3594   },
3595   {
3596     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3597     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3598     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3599     &level.yamyam_content[5].e[0][0],   3, 3,
3600     NULL, NULL, NULL, "6",              NULL
3601   },
3602   {
3603     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3604     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3605     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3606     &level.yamyam_content[6].e[0][0],   3, 3,
3607     NULL, NULL, NULL, "7",              NULL
3608   },
3609   {
3610     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3611     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3612     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3613     &level.yamyam_content[7].e[0][0],   3, 3,
3614     NULL, NULL, NULL, "8",              NULL
3615   },
3616
3617   // ---------- magic ball content --------------------------------------------
3618
3619   {
3620     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3621     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3622     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3623     &level.ball_content[0].e[0][0],     3, 3,
3624     NULL, NULL, NULL, "1",              NULL
3625   },
3626   {
3627     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3628     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3629     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3630     &level.ball_content[1].e[0][0],     3, 3,
3631     NULL, NULL, NULL, "2",              NULL
3632   },
3633   {
3634     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3635     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3636     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3637     &level.ball_content[2].e[0][0],     3, 3,
3638     NULL, NULL, NULL, "3",              NULL
3639   },
3640   {
3641     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3642     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3643     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3644     &level.ball_content[3].e[0][0],     3, 3,
3645     NULL, NULL, NULL, "4",              NULL
3646   },
3647   {
3648     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3649     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3650     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3651     &level.ball_content[4].e[0][0],     3, 3,
3652     NULL, NULL, NULL, "5",              NULL
3653   },
3654   {
3655     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3656     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3657     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3658     &level.ball_content[5].e[0][0],     3, 3,
3659     NULL, NULL, NULL, "6",              NULL
3660   },
3661   {
3662     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3663     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3664     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3665     &level.ball_content[6].e[0][0],     3, 3,
3666     NULL, NULL, NULL, "7",              NULL
3667   },
3668   {
3669     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3670     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3671     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3672     &level.ball_content[7].e[0][0],     3, 3,
3673     NULL, NULL, NULL, "8",              NULL
3674   },
3675
3676   // ---------- android content -----------------------------------------------
3677
3678   {
3679     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3680     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3681     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3682     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3683     NULL, NULL, "elements:", NULL,      "elements android can clone"
3684   },
3685
3686   // ---------- amoeba content ------------------------------------------------
3687
3688   {
3689     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3690     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3691     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3692     &level.amoeba_content,              1, 1,
3693     "content:", NULL, NULL, NULL,       "amoeba content"
3694   },
3695
3696   // ---------- level start element -------------------------------------------
3697
3698   {
3699     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3700     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3701     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3702     &level.start_element[0],            1, 1,
3703     NULL, NULL, NULL, NULL,             "level start element"
3704   },
3705
3706   // ---------- player artwork element ----------------------------------------
3707
3708   {
3709     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3710     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3711     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3712     &level.artwork_element[0],          1, 1,
3713     NULL, NULL, NULL, NULL,             "element for player artwork"
3714   },
3715
3716   // ---------- player explosion element --------------------------------------
3717
3718   {
3719     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3720     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3721     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3722     &level.explosion_element[0],        1, 1,
3723     NULL, NULL, NULL, NULL,             "element for player explosion"
3724   },
3725
3726   // ---------- player initial inventory --------------------------------------
3727
3728   {
3729     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3730     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3731     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3732     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3733     NULL, NULL, NULL, NULL,             "content for initial inventory"
3734   },
3735
3736   // ---------- element settings: configure 1 (custom elements) ---------------
3737
3738   // ---------- custom graphic ------------------------------------------------
3739
3740   {
3741     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3742     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3743     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3744     &custom_element.gfx_element_initial,1, 1,
3745     NULL, NULL, NULL, NULL,             "custom graphic element"
3746   },
3747
3748   // ---------- element settings: configure 2 (custom elements) ---------------
3749
3750   // ---------- custom content (when exploding) -------------------------------
3751
3752   {
3753     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3754     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3755     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3756     &custom_element.content.e[0][0],    3, 3,
3757     "content:", NULL, NULL, NULL,       NULL
3758   },
3759
3760   // ---------- custom enter and leave element (when moving) ------------------
3761
3762   {
3763     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3764     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3765     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3766     &custom_element.move_enter_element, 1, 1,
3767     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3768   },
3769   {
3770     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3771     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3773     &custom_element.move_leave_element, 1, 1,
3774     NULL, NULL, NULL, NULL,             "element that will be left behind"
3775   },
3776
3777   // ---------- element settings: advanced (custom elements) ------------------
3778
3779   // ---------- custom change target ------------------------------------------
3780
3781   {
3782     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3783     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3784     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3785     &custom_element_change.target_element, 1, 1,
3786     NULL, "after/when:", NULL, NULL,    "new target element after change"
3787   },
3788
3789   // ---------- custom change content (extended change target) ----------------
3790
3791   {
3792     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3793     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3794     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3795     &custom_element_change.target_content.e[0][0], 3, 3,
3796     NULL, NULL, NULL, NULL,             "new extended elements after change"
3797   },
3798
3799   // ---------- custom change trigger (element causing change) ----------------
3800
3801   {
3802     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3803     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3804     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3805     &custom_element_change.initial_trigger_element, 1, 1,
3806     NULL, NULL, NULL, NULL,             "other element triggering change"
3807   },
3808
3809   // ---------- custom change action (element used for action) ----------------
3810
3811   {
3812     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3813     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3814     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3815     &custom_element_change.action_element, 1, 1,
3816     NULL, NULL, NULL, NULL,             "element used as action parameter"
3817   },
3818
3819   // ---------- group element content -----------------------------------------
3820
3821   {
3822     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3823     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3824     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3825     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3826     "content:", NULL, NULL, NULL,       NULL
3827   },
3828
3829   // ---------- random background (for random painting) -----------------------
3830
3831   {
3832     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3833     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3834     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3835     &random_placement_background_element, 1, 1,
3836     NULL, NULL, NULL, NULL,             "random placement background"
3837   },
3838 };
3839
3840
3841 // ----------------------------------------------------------------------------
3842 // some internally used variables
3843 // ----------------------------------------------------------------------------
3844
3845 // maximal size of level editor drawing area
3846 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3847
3848 // actual size of level editor drawing area
3849 static int ed_fieldx, ed_fieldy;
3850
3851 // actual position of level editor drawing area in level playfield
3852 static int level_xpos = -1, level_ypos = -1;
3853
3854 // actual tile size used to display playfield drawing area
3855 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3856 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3857
3858 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3859
3860 // drawing elements on the three mouse buttons
3861 static int new_element1 = EL_WALL;
3862 static int new_element2 = EL_EMPTY;
3863 static int new_element3 = EL_SAND;
3864
3865 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3866 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3867                                 (button) == 2 ? new_element2 : \
3868                                 (button) == 3 ? new_element3 : EL_EMPTY)
3869
3870 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3871
3872 static int use_permanent_palette = TRUE;
3873
3874 #define PX              (use_permanent_palette ? DX : SX)
3875 #define PY              (use_permanent_palette ? DY : SY)
3876 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3877 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3878
3879 // forward declaration for internal use
3880 static void CopyBrushToCursor(int, int);
3881 static void DeleteBrushFromCursor(void);
3882 static void ModifyEditorCounterValue(int, int);
3883 static void ModifyEditorCounterLimits(int, int, int);
3884 static void ModifyEditorSelectboxValue(int, int);
3885 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3886 static void ModifyEditorDrawingArea(int, int, int);
3887 static void ModifyEditorElementList(void);
3888 static void AdjustElementListScrollbar(void);
3889 static void RedrawDrawingElements(void);
3890 static void DrawDrawingWindowExt(boolean);
3891 static void DrawDrawingWindow(void);
3892 static void DrawLevelInfoWindow(void);
3893 static void DrawPropertiesWindow(void);
3894 static void DrawPaletteWindow(void);
3895 static void UpdateCustomElementGraphicGadgets(void);
3896 static boolean checkPropertiesConfig(int);
3897 static void SetAutomaticNumberOfGemsNeeded(void);
3898 static void ClearEditorGadgetInfoText(void);
3899 static void CopyLevelToUndoBuffer(int);
3900 static void HandleDrawingAreas(struct GadgetInfo *);
3901 static void HandleCounterButtons(struct GadgetInfo *);
3902 static void HandleTextInputGadgets(struct GadgetInfo *);
3903 static void HandleTextAreaGadgets(struct GadgetInfo *);
3904 static void HandleSelectboxGadgets(struct GadgetInfo *);
3905 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3906 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3907 static void HandleRadiobuttons(struct GadgetInfo *);
3908 static void HandleCheckbuttons(struct GadgetInfo *);
3909 static void HandleControlButtons(struct GadgetInfo *);
3910 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3911 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3912 static boolean AskToCopyAndModifyLevelTemplate(void);
3913 static boolean getDrawModeHiRes(void);
3914 static int getTabulatorBarWidth(void);
3915 static int getTabulatorBarHeight(void);
3916 static Pixel getTabulatorBarColor(void);
3917
3918 static int num_editor_gadgets = 0;      // dynamically determined
3919
3920 static struct GadgetInfo **level_editor_gadget = NULL;
3921 static int *right_gadget_border = NULL;
3922
3923 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3924 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3925 static boolean draw_with_brush = FALSE;
3926 static int properties_element = 0;
3927
3928 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3929 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3930 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3931 static int undo_buffer_position = 0;
3932 static int undo_buffer_steps = 0;
3933 static int redo_buffer_steps = 0;
3934
3935 static int edit_mode;
3936 static int edit_mode_levelinfo;
3937 static int edit_mode_properties;
3938
3939 static int element_shift = 0;
3940
3941 static int editor_el_players[] =
3942 {
3943   EL_PLAYER_1,
3944   EL_PLAYER_2,
3945   EL_PLAYER_3,
3946   EL_PLAYER_4
3947 };
3948 static int *editor_el_players_ptr = editor_el_players;
3949 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3950
3951 static int editor_hl_boulderdash[] =
3952 {
3953   EL_INTERNAL_CASCADE_BD_ACTIVE,
3954   EL_CHAR('B'),
3955   EL_CHAR('D'),
3956   EL_EMPTY,
3957 };
3958
3959 static int editor_el_boulderdash[] =
3960 {
3961   EL_EMPTY,
3962   EL_SAND,
3963   EL_BD_ROCK,
3964   EL_BD_DIAMOND,
3965
3966   EL_STEELWALL,
3967   EL_BD_WALL,
3968   EL_BD_EXPANDABLE_WALL,
3969   EL_BD_MAGIC_WALL,
3970
3971   EL_BD_AMOEBA,
3972   EL_BD_BUTTERFLY_UP,
3973   EL_BD_FIREFLY_UP,
3974   EL_EXIT_CLOSED,
3975
3976   EL_BD_BUTTERFLY_LEFT,
3977   EL_BD_FIREFLY_LEFT,
3978   EL_BD_BUTTERFLY_RIGHT,
3979   EL_BD_FIREFLY_RIGHT,
3980
3981   EL_EMPTY,
3982   EL_BD_BUTTERFLY_DOWN,
3983   EL_BD_FIREFLY_DOWN,
3984   EL_EXIT_OPEN,
3985 };
3986 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3987 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3988 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3989 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3990
3991 static int editor_hl_emerald_mine[] =
3992 {
3993   EL_INTERNAL_CASCADE_EM_ACTIVE,
3994   EL_CHAR('E'),
3995   EL_CHAR('M'),
3996   EL_EMPTY,
3997 };
3998
3999 static int editor_el_emerald_mine[] =
4000 {
4001   EL_SAND,
4002   EL_ROCK,
4003   EL_QUICKSAND_EMPTY,
4004   EL_QUICKSAND_FULL,
4005
4006   EL_STEELWALL,
4007   EL_WALL,
4008   EL_WALL_SLIPPERY,
4009   EL_MAGIC_WALL,
4010
4011   EL_EMERALD,
4012   EL_DIAMOND,
4013   EL_NUT,
4014   EL_BOMB,
4015
4016   EL_EM_DYNAMITE,
4017   EL_EM_DYNAMITE_ACTIVE,
4018   EL_EM_EXIT_CLOSED,
4019   EL_EM_EXIT_OPEN,
4020
4021   EL_YAMYAM_UP,
4022   EL_BUG_UP,
4023   EL_SPACESHIP_UP,
4024   EL_ROBOT,
4025
4026   EL_BUG_LEFT,
4027   EL_SPACESHIP_LEFT,
4028   EL_BUG_RIGHT,
4029   EL_SPACESHIP_RIGHT,
4030
4031   EL_ROBOT_WHEEL,
4032   EL_BUG_DOWN,
4033   EL_SPACESHIP_DOWN,
4034   EL_INVISIBLE_WALL,
4035
4036   EL_ACID_POOL_TOPLEFT,
4037   EL_ACID,
4038   EL_ACID_POOL_TOPRIGHT,
4039   EL_AMOEBA_DROP,
4040
4041   EL_ACID_POOL_BOTTOMLEFT,
4042   EL_ACID_POOL_BOTTOM,
4043   EL_ACID_POOL_BOTTOMRIGHT,
4044   EL_AMOEBA_WET,
4045
4046   EL_EM_KEY_1,
4047   EL_EM_KEY_2,
4048   EL_EM_KEY_3,
4049   EL_EM_KEY_4,
4050
4051   EL_EM_GATE_1,
4052   EL_EM_GATE_2,
4053   EL_EM_GATE_3,
4054   EL_EM_GATE_4,
4055
4056   EL_EM_GATE_1_GRAY,
4057   EL_EM_GATE_2_GRAY,
4058   EL_EM_GATE_3_GRAY,
4059   EL_EM_GATE_4_GRAY,
4060 };
4061 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4062 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4063 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4064 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4065
4066 static int editor_hl_emerald_mine_club[] =
4067 {
4068   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4069   EL_CHAR('E'),
4070   EL_CHAR('M'),
4071   EL_CHAR('C'),
4072 };
4073
4074 static int editor_el_emerald_mine_club[] =
4075 {
4076   EL_EMC_KEY_5,
4077   EL_EMC_KEY_6,
4078   EL_EMC_KEY_7,
4079   EL_EMC_KEY_8,
4080
4081   EL_EMC_GATE_5,
4082   EL_EMC_GATE_6,
4083   EL_EMC_GATE_7,
4084   EL_EMC_GATE_8,
4085
4086   EL_EMC_GATE_5_GRAY,
4087   EL_EMC_GATE_6_GRAY,
4088   EL_EMC_GATE_7_GRAY,
4089   EL_EMC_GATE_8_GRAY,
4090
4091   EL_EMC_STEELWALL_1,
4092   EL_EMC_STEELWALL_2,
4093   EL_EMC_STEELWALL_3,
4094   EL_EMC_STEELWALL_4,
4095
4096   EL_EMC_WALL_13,
4097   EL_EMC_WALL_14,
4098   EL_EMC_WALL_15,
4099   EL_EMC_WALL_16,
4100
4101   EL_EMC_WALL_SLIPPERY_1,
4102   EL_EMC_WALL_SLIPPERY_2,
4103   EL_EMC_WALL_SLIPPERY_3,
4104   EL_EMC_WALL_SLIPPERY_4,
4105
4106   EL_EMC_WALL_1,
4107   EL_EMC_WALL_2,
4108   EL_EMC_WALL_3,
4109   EL_EMC_WALL_4,
4110
4111   EL_EMC_WALL_5,
4112   EL_EMC_WALL_6,
4113   EL_EMC_WALL_7,
4114   EL_EMC_WALL_8,
4115
4116   EL_EMC_WALL_9,
4117   EL_EMC_WALL_10,
4118   EL_EMC_WALL_11,
4119   EL_EMC_WALL_12,
4120
4121   EL_EMC_GRASS,
4122   EL_EMC_FAKE_GRASS,
4123   EL_EMC_PLANT,
4124   EL_EMC_DRIPPER,
4125
4126   EL_EMC_MAGIC_BALL,
4127   EL_EMC_MAGIC_BALL_SWITCH,
4128   EL_EMC_LENSES,
4129   EL_EMC_MAGNIFIER,
4130
4131   EL_SPRING_LEFT,
4132   EL_SPRING,
4133   EL_SPRING_RIGHT,
4134   EL_EMC_SPRING_BUMPER,
4135
4136   EL_BALLOON,
4137   EL_YAMYAM_UP,
4138   EL_BALLOON_SWITCH_UP,
4139   EL_BALLOON_SWITCH_ANY,
4140
4141   EL_YAMYAM_LEFT,
4142   EL_BALLOON_SWITCH_LEFT,
4143   EL_YAMYAM_RIGHT,
4144   EL_BALLOON_SWITCH_RIGHT,
4145
4146   EL_EMC_ANDROID,
4147   EL_YAMYAM_DOWN,
4148   EL_BALLOON_SWITCH_DOWN,
4149   EL_BALLOON_SWITCH_NONE,
4150 };
4151 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4152 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4153 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4154 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4155
4156 static int editor_hl_rnd[] =
4157 {
4158   EL_INTERNAL_CASCADE_RND_ACTIVE,
4159   EL_CHAR('R'),
4160   EL_CHAR('N'),
4161   EL_CHAR('D'),
4162 };
4163
4164 static int editor_el_rnd[] =
4165 {
4166   EL_DYNAMITE,                  // RND
4167   EL_DYNAMITE_ACTIVE,           // RND
4168   EL_EMPTY,
4169   EL_EMPTY,
4170
4171   EL_KEY_1,
4172   EL_KEY_2,
4173   EL_KEY_3,
4174   EL_KEY_4,
4175
4176   EL_GATE_1,
4177   EL_GATE_2,
4178   EL_GATE_3,
4179   EL_GATE_4,
4180
4181   EL_GATE_1_GRAY,
4182   EL_GATE_2_GRAY,
4183   EL_GATE_3_GRAY,
4184   EL_GATE_4_GRAY,
4185
4186   EL_ARROW_LEFT,
4187   EL_ARROW_RIGHT,
4188   EL_ARROW_UP,
4189   EL_ARROW_DOWN,
4190
4191   EL_AMOEBA_DEAD,
4192   EL_AMOEBA_DRY,
4193   EL_AMOEBA_FULL,
4194   EL_GAME_OF_LIFE,
4195
4196   EL_EMERALD_YELLOW,
4197   EL_EMERALD_RED,
4198   EL_EMERALD_PURPLE,
4199   EL_BIOMAZE,
4200
4201   EL_WALL_EMERALD_YELLOW,
4202   EL_WALL_EMERALD_RED,
4203   EL_WALL_EMERALD_PURPLE,
4204   EL_WALL_BD_DIAMOND,
4205
4206   EL_SPEED_PILL,
4207   EL_PACMAN_UP,
4208   EL_TIME_ORB_FULL,
4209   EL_TIME_ORB_EMPTY,
4210
4211   EL_PACMAN_LEFT,
4212   EL_DARK_YAMYAM,
4213   EL_PACMAN_RIGHT,
4214   EL_YAMYAM,                    // RND
4215
4216   EL_BLACK_ORB,
4217   EL_PACMAN_DOWN,
4218   EL_LAMP,
4219   EL_LAMP_ACTIVE,
4220
4221   EL_DYNABOMB_INCREASE_NUMBER,
4222   EL_DYNABOMB_INCREASE_SIZE,
4223   EL_DYNABOMB_INCREASE_POWER,
4224   EL_STONEBLOCK,
4225
4226   EL_MOLE,
4227   EL_PENGUIN,
4228   EL_PIG,
4229   EL_DRAGON,
4230
4231   EL_BUG,
4232   EL_MOLE_UP,
4233   EL_BD_BUTTERFLY,
4234   EL_BD_FIREFLY,
4235
4236   EL_MOLE_LEFT,
4237   EL_SATELLITE,
4238   EL_MOLE_RIGHT,
4239   EL_PACMAN,
4240
4241   EL_SPACESHIP,
4242   EL_MOLE_DOWN,
4243   EL_INVISIBLE_STEELWALL,
4244   EL_INVISIBLE_WALL,
4245
4246   EL_EXPANDABLE_WALL,
4247   EL_EXPANDABLE_WALL_HORIZONTAL,
4248   EL_EXPANDABLE_WALL_VERTICAL,
4249   EL_EXPANDABLE_WALL_ANY,
4250 };
4251 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4252 static int *editor_el_rnd_ptr = editor_el_rnd;
4253 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4254 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4255
4256 static int editor_hl_sokoban[] =
4257 {
4258   EL_INTERNAL_CASCADE_SB_ACTIVE,
4259   EL_CHAR('S'),
4260   EL_CHAR('B'),
4261   EL_EMPTY,
4262 };
4263
4264 static int editor_el_sokoban[] =
4265 {
4266   EL_SOKOBAN_OBJECT,
4267   EL_SOKOBAN_FIELD_EMPTY,
4268   EL_SOKOBAN_FIELD_FULL,
4269   EL_SOKOBAN_FIELD_PLAYER,
4270 };
4271 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4272 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4273 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4274 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4275
4276 static int editor_hl_supaplex[] =
4277 {
4278   EL_INTERNAL_CASCADE_SP_ACTIVE,
4279   EL_CHAR('S'),
4280   EL_CHAR('P'),
4281   EL_EMPTY,
4282 };
4283
4284 static int editor_el_supaplex[] =
4285 {
4286   EL_SP_MURPHY,
4287   EL_EMPTY,
4288   EL_SP_BASE,
4289   EL_SP_BUGGY_BASE,
4290
4291   EL_SP_INFOTRON,
4292   EL_SP_ZONK,
4293   EL_SP_SNIKSNAK,
4294   EL_SP_ELECTRON,
4295
4296   EL_SP_DISK_RED,
4297   EL_SP_DISK_ORANGE,
4298   EL_SP_DISK_YELLOW,
4299   EL_SP_TERMINAL,
4300
4301   EL_SP_EXIT_CLOSED,
4302   EL_SP_PORT_HORIZONTAL,
4303   EL_SP_PORT_VERTICAL,
4304   EL_SP_PORT_ANY,
4305
4306   EL_SP_PORT_LEFT,
4307   EL_SP_PORT_RIGHT,
4308   EL_SP_PORT_UP,
4309   EL_SP_PORT_DOWN,
4310
4311   EL_SP_GRAVITY_PORT_LEFT,
4312   EL_SP_GRAVITY_PORT_RIGHT,
4313   EL_SP_GRAVITY_PORT_UP,
4314   EL_SP_GRAVITY_PORT_DOWN,
4315
4316   EL_SP_GRAVITY_ON_PORT_LEFT,
4317   EL_SP_GRAVITY_ON_PORT_RIGHT,
4318   EL_SP_GRAVITY_ON_PORT_UP,
4319   EL_SP_GRAVITY_ON_PORT_DOWN,
4320
4321   EL_SP_GRAVITY_OFF_PORT_LEFT,
4322   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4323   EL_SP_GRAVITY_OFF_PORT_UP,
4324   EL_SP_GRAVITY_OFF_PORT_DOWN,
4325
4326   EL_SP_HARDWARE_GRAY,
4327   EL_SP_HARDWARE_GREEN,
4328   EL_SP_HARDWARE_BLUE,
4329   EL_SP_HARDWARE_RED,
4330
4331   EL_SP_HARDWARE_BASE_1,
4332   EL_SP_HARDWARE_BASE_2,
4333   EL_SP_HARDWARE_BASE_3,
4334   EL_SP_HARDWARE_BASE_4,
4335
4336   EL_SP_HARDWARE_BASE_5,
4337   EL_SP_HARDWARE_BASE_6,
4338   EL_SP_HARDWARE_YELLOW,
4339   EL_SP_CHIP_TOP,
4340
4341   EL_SP_CHIP_SINGLE,
4342   EL_SP_CHIP_LEFT,
4343   EL_SP_CHIP_RIGHT,
4344   EL_SP_CHIP_BOTTOM,
4345 };
4346 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4347 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4348 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4349 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4350
4351 static int editor_hl_diamond_caves[] =
4352 {
4353   EL_INTERNAL_CASCADE_DC_ACTIVE,
4354   EL_CHAR('D'),
4355   EL_CHAR('C'),
4356   EL_CHAR('2'),
4357 };
4358
4359 static int editor_el_diamond_caves[] =
4360 {
4361   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4362   EL_EM_STEEL_EXIT_OPEN,        // DC2
4363   EL_WALL_EMERALD,              // DC2
4364   EL_WALL_DIAMOND,              // DC2
4365
4366   EL_PEARL,
4367   EL_CRYSTAL,
4368   EL_WALL_PEARL,
4369   EL_WALL_CRYSTAL,
4370
4371   EL_CONVEYOR_BELT_1_LEFT,
4372   EL_CONVEYOR_BELT_1_MIDDLE,
4373   EL_CONVEYOR_BELT_1_RIGHT,
4374   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4375
4376   EL_CONVEYOR_BELT_2_LEFT,
4377   EL_CONVEYOR_BELT_2_MIDDLE,
4378   EL_CONVEYOR_BELT_2_RIGHT,
4379   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4380
4381   EL_CONVEYOR_BELT_3_LEFT,
4382   EL_CONVEYOR_BELT_3_MIDDLE,
4383   EL_CONVEYOR_BELT_3_RIGHT,
4384   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4385
4386   EL_CONVEYOR_BELT_4_LEFT,
4387   EL_CONVEYOR_BELT_4_MIDDLE,
4388   EL_CONVEYOR_BELT_4_RIGHT,
4389   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4390
4391   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4392   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4393   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4394   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4395
4396   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4397   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4398   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4399   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4400
4401   EL_TIMEGATE_CLOSED,
4402   EL_TIMEGATE_OPEN,
4403   EL_TIMEGATE_SWITCH,
4404   EL_DC_TIMEGATE_SWITCH,
4405
4406   EL_SWITCHGATE_CLOSED,
4407   EL_SWITCHGATE_OPEN,
4408   EL_SWITCHGATE_SWITCH_UP,
4409   EL_SWITCHGATE_SWITCH_DOWN,
4410
4411   EL_LIGHT_SWITCH,
4412   EL_LIGHT_SWITCH_ACTIVE,
4413   EL_DC_SWITCHGATE_SWITCH_UP,
4414   EL_DC_SWITCHGATE_SWITCH_DOWN,
4415
4416   EL_STEEL_EXIT_CLOSED,
4417   EL_STEEL_EXIT_OPEN,
4418   EL_STEELWALL_SLIPPERY,
4419   EL_INVISIBLE_SAND,
4420
4421   EL_QUICKSAND_FAST_EMPTY,
4422   EL_QUICKSAND_FAST_FULL,
4423   EL_LANDMINE,
4424   EL_DC_LANDMINE,
4425
4426   EL_SHIELD_NORMAL,
4427   EL_SHIELD_DEADLY,
4428   EL_EXTRA_TIME,
4429   EL_DC_MAGIC_WALL,
4430
4431   EL_ENVELOPE_1,
4432   EL_ENVELOPE_2,
4433   EL_ENVELOPE_3,
4434   EL_ENVELOPE_4,
4435
4436   EL_SIGN_RADIOACTIVITY,
4437   EL_SIGN_WHEELCHAIR,
4438   EL_SIGN_PARKING,
4439   EL_SIGN_NO_ENTRY,
4440
4441   EL_SIGN_GIVE_WAY,
4442   EL_SIGN_ENTRY_FORBIDDEN,
4443   EL_SIGN_EMERGENCY_EXIT,
4444   EL_SIGN_YIN_YANG,
4445
4446 #if 0
4447   EL_SIGN_SPERMS,
4448   EL_SIGN_BULLET,
4449   EL_SIGN_HEART,
4450   EL_SIGN_CROSS,
4451
4452   EL_SIGN_FRANKIE,
4453   EL_EMPTY,
4454   EL_EMPTY,
4455   EL_EMPTY,
4456
4457   EL_SPERMS,
4458   EL_BULLET,
4459   EL_HEART,
4460   EL_CROSS,
4461
4462   EL_FRANKIE,
4463   EL_EMPTY,
4464   EL_EMPTY,
4465   EL_EMPTY,
4466 #endif
4467
4468   EL_DC_STEELWALL_2_SINGLE,
4469   EL_DC_STEELWALL_2_TOP,
4470   EL_SIGN_EXCLAMATION,
4471   EL_SIGN_STOP,
4472
4473   EL_DC_STEELWALL_2_LEFT,
4474   EL_DC_STEELWALL_2_MIDDLE,
4475   EL_DC_STEELWALL_2_HORIZONTAL,
4476   EL_DC_STEELWALL_2_RIGHT,
4477
4478   EL_DC_STEELWALL_1_TOPLEFT,
4479   EL_DC_STEELWALL_2_VERTICAL,
4480   EL_DC_STEELWALL_1_TOPRIGHT,
4481   EL_DC_GATE_WHITE,
4482
4483   EL_DC_STEELWALL_1_VERTICAL,
4484   EL_DC_STEELWALL_2_BOTTOM,
4485   EL_DC_KEY_WHITE,
4486   EL_DC_GATE_WHITE_GRAY,
4487
4488   EL_DC_STEELWALL_1_BOTTOMLEFT,
4489   EL_DC_STEELWALL_1_HORIZONTAL,
4490   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4491   EL_DC_GATE_FAKE_GRAY,
4492
4493   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4494   EL_DC_STEELWALL_1_BOTTOM,
4495   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4496   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4497
4498   EL_DC_STEELWALL_1_RIGHT,
4499   EL_EMPTY,
4500   EL_DC_STEELWALL_1_LEFT,
4501   EL_EXPANDABLE_STEELWALL_VERTICAL,
4502
4503   EL_DC_STEELWALL_1_TOPRIGHT_2,
4504   EL_DC_STEELWALL_1_TOP,
4505   EL_DC_STEELWALL_1_TOPLEFT_2,
4506   EL_EXPANDABLE_STEELWALL_ANY,
4507 };
4508 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4509 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4510 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4511 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4512
4513 static int editor_hl_dx_boulderdash[] =
4514 {
4515   EL_INTERNAL_CASCADE_DX_ACTIVE,
4516   EL_CHAR('D'),
4517   EL_CHAR('X'),
4518   EL_EMPTY,
4519 };
4520
4521 static int editor_el_dx_boulderdash[] =
4522 {
4523   EL_EMPTY,
4524   EL_TUBE_RIGHT_DOWN,
4525   EL_TUBE_HORIZONTAL_DOWN,
4526   EL_TUBE_LEFT_DOWN,
4527
4528   EL_TUBE_HORIZONTAL,
4529   EL_TUBE_VERTICAL_RIGHT,
4530   EL_TUBE_ANY,
4531   EL_TUBE_VERTICAL_LEFT,
4532
4533   EL_TUBE_VERTICAL,
4534   EL_TUBE_RIGHT_UP,
4535   EL_TUBE_HORIZONTAL_UP,
4536   EL_TUBE_LEFT_UP,
4537
4538   EL_TRAP,
4539   EL_DX_SUPABOMB,
4540   EL_EMPTY,
4541   EL_EMPTY
4542 };
4543 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4544 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4545 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4546 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4547
4548 static int editor_hl_mirror_magic[] =
4549 {
4550   EL_INTERNAL_CASCADE_MM_ACTIVE,
4551   EL_CHAR('M'),
4552   EL_CHAR('M'),
4553   EL_EMPTY,
4554 };
4555
4556 static int editor_el_mirror_magic[] =
4557 {
4558   EL_MM_MCDUFFIN_RIGHT,
4559   EL_MM_MCDUFFIN_UP,
4560   EL_MM_MCDUFFIN_LEFT,
4561   EL_MM_MCDUFFIN_DOWN,
4562
4563   EL_MM_MIRROR_START,
4564   EL_MM_MIRROR_FIXED_START,
4565   EL_MM_POLARIZER_START,
4566   EL_MM_POLARIZER_CROSS_START,
4567
4568   EL_MM_TELEPORTER_RED_START,
4569   EL_MM_TELEPORTER_YELLOW_START,
4570   EL_MM_TELEPORTER_GREEN_START,
4571   EL_MM_TELEPORTER_BLUE_START,
4572
4573   EL_MM_PRISM,
4574   EL_MM_FUSE_ACTIVE,
4575   EL_MM_PACMAN_RIGHT,
4576   EL_MM_EXIT_CLOSED,
4577
4578   EL_MM_KETTLE,
4579   EL_MM_BOMB,
4580   EL_MM_KEY,
4581   EL_MM_FUEL_FULL,
4582
4583   EL_MM_LIGHTBULB,
4584   EL_MM_LIGHTBULB_ACTIVE,
4585   EL_MM_GRAY_BALL,
4586   EL_MM_LIGHTBALL,
4587
4588   EL_MM_STEEL_WALL,
4589   EL_MM_WOODEN_WALL,
4590   EL_MM_ICE_WALL,
4591   EL_MM_AMOEBA_WALL,
4592
4593   EL_MM_STEEL_LOCK,
4594   EL_MM_WOODEN_LOCK,
4595   EL_MM_STEEL_BLOCK,
4596   EL_MM_WOODEN_BLOCK,
4597
4598   EL_MM_STEEL_GRID_FIXED_1,
4599   EL_MM_STEEL_GRID_FIXED_2,
4600   EL_MM_STEEL_GRID_FIXED_3,
4601   EL_MM_STEEL_GRID_FIXED_4,
4602
4603   EL_MM_WOODEN_GRID_FIXED_1,
4604   EL_MM_WOODEN_GRID_FIXED_2,
4605   EL_MM_WOODEN_GRID_FIXED_3,
4606   EL_MM_WOODEN_GRID_FIXED_4
4607 };
4608 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4609 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4610 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4611 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4612
4613 static int editor_hl_deflektor[] =
4614 {
4615   EL_INTERNAL_CASCADE_DF_ACTIVE,
4616   EL_CHAR('D'),
4617   EL_CHAR('F'),
4618   EL_EMPTY,
4619 };
4620
4621 static int editor_el_deflektor[] =
4622 {
4623   EL_DF_LASER_RIGHT,
4624   EL_DF_LASER_UP,
4625   EL_DF_LASER_LEFT,
4626   EL_DF_LASER_DOWN,
4627
4628   EL_DF_RECEIVER_RIGHT,
4629   EL_DF_RECEIVER_UP,
4630   EL_DF_RECEIVER_LEFT,
4631   EL_DF_RECEIVER_DOWN,
4632
4633   EL_DF_MIRROR_START,
4634   EL_DF_MIRROR_ROTATING_START,
4635   EL_DF_CELL,
4636   EL_DF_MINE,
4637
4638   EL_DF_FIBRE_OPTIC_RED_1,
4639   EL_DF_FIBRE_OPTIC_YELLOW_1,
4640   EL_DF_FIBRE_OPTIC_GREEN_1,
4641   EL_DF_FIBRE_OPTIC_BLUE_1,
4642
4643   EL_DF_STEEL_GRID_FIXED_START,
4644   EL_DF_STEEL_GRID_ROTATING_START,
4645   EL_DF_WOODEN_GRID_FIXED_START,
4646   EL_DF_WOODEN_GRID_ROTATING_START,
4647
4648   EL_DF_STEEL_WALL,
4649   EL_DF_WOODEN_WALL,
4650   EL_DF_REFRACTOR,
4651   EL_EMPTY
4652 };
4653 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4654 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4655 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4656 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4657
4658 static int editor_hl_chars[] =
4659 {
4660   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4661   EL_CHAR('T'),
4662   EL_CHAR('X'),
4663   EL_CHAR('T'),
4664 };
4665
4666 static int editor_el_chars[] =
4667 {
4668   EL_CHAR(' '),
4669   EL_CHAR('!'),
4670   EL_CHAR('"'),
4671   EL_CHAR('#'),
4672
4673   EL_CHAR('$'),
4674   EL_CHAR('%'),
4675   EL_CHAR('&'),
4676   EL_CHAR('\''),
4677
4678   EL_CHAR('('),
4679   EL_CHAR(')'),
4680   EL_CHAR('*'),
4681   EL_CHAR('+'),
4682
4683   EL_CHAR(','),
4684   EL_CHAR('-'),
4685   EL_CHAR('.'),
4686   EL_CHAR('/'),
4687
4688   EL_CHAR('0'),
4689   EL_CHAR('1'),
4690   EL_CHAR('2'),
4691   EL_CHAR('3'),
4692
4693   EL_CHAR('4'),
4694   EL_CHAR('5'),
4695   EL_CHAR('6'),
4696   EL_CHAR('7'),
4697
4698   EL_CHAR('8'),
4699   EL_CHAR('9'),
4700   EL_CHAR(':'),
4701   EL_CHAR(';'),
4702
4703   EL_CHAR('<'),
4704   EL_CHAR('='),
4705   EL_CHAR('>'),
4706   EL_CHAR('?'),
4707
4708   EL_CHAR('@'),
4709   EL_CHAR('A'),
4710   EL_CHAR('B'),
4711   EL_CHAR('C'),
4712
4713   EL_CHAR('D'),
4714   EL_CHAR('E'),
4715   EL_CHAR('F'),
4716   EL_CHAR('G'),
4717
4718   EL_CHAR('H'),
4719   EL_CHAR('I'),
4720   EL_CHAR('J'),
4721   EL_CHAR('K'),
4722
4723   EL_CHAR('L'),
4724   EL_CHAR('M'),
4725   EL_CHAR('N'),
4726   EL_CHAR('O'),
4727
4728   EL_CHAR('P'),
4729   EL_CHAR('Q'),
4730   EL_CHAR('R'),
4731   EL_CHAR('S'),
4732
4733   EL_CHAR('T'),
4734   EL_CHAR('U'),
4735   EL_CHAR('V'),
4736   EL_CHAR('W'),
4737
4738   EL_CHAR('X'),
4739   EL_CHAR('Y'),
4740   EL_CHAR('Z'),
4741   EL_CHAR('['),
4742
4743   EL_CHAR('\\'),
4744   EL_CHAR(']'),
4745   EL_CHAR('^'),
4746   EL_CHAR('_'),
4747
4748   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4749   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4750   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4751   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4752
4753   EL_CHAR(CHAR_BYTE_DEGREE),
4754   EL_CHAR(CHAR_BYTE_REGISTERED),
4755   EL_CHAR(FONT_ASCII_CURSOR),
4756   EL_CHAR(FONT_ASCII_BUTTON),
4757
4758   EL_CHAR(FONT_ASCII_UP),
4759   EL_CHAR(FONT_ASCII_DOWN),
4760   EL_CHAR(' '),
4761   EL_CHAR(' ')
4762 };
4763 static int *editor_hl_chars_ptr = editor_hl_chars;
4764 static int *editor_el_chars_ptr = editor_el_chars;
4765 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4766 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4767
4768 static int editor_hl_steel_chars[] =
4769 {
4770   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4771   EL_STEEL_CHAR('T'),
4772   EL_STEEL_CHAR('X'),
4773   EL_STEEL_CHAR('T'),
4774 };
4775
4776 static int editor_el_steel_chars[] =
4777 {
4778   EL_STEEL_CHAR(' '),
4779   EL_STEEL_CHAR('!'),
4780   EL_STEEL_CHAR('"'),
4781   EL_STEEL_CHAR('#'),
4782
4783   EL_STEEL_CHAR('$'),
4784   EL_STEEL_CHAR('%'),
4785   EL_STEEL_CHAR('&'),
4786   EL_STEEL_CHAR('\''),
4787
4788   EL_STEEL_CHAR('('),
4789   EL_STEEL_CHAR(')'),
4790   EL_STEEL_CHAR('*'),
4791   EL_STEEL_CHAR('+'),
4792
4793   EL_STEEL_CHAR(','),
4794   EL_STEEL_CHAR('-'),
4795   EL_STEEL_CHAR('.'),
4796   EL_STEEL_CHAR('/'),
4797
4798   EL_STEEL_CHAR('0'),
4799   EL_STEEL_CHAR('1'),
4800   EL_STEEL_CHAR('2'),
4801   EL_STEEL_CHAR('3'),
4802
4803   EL_STEEL_CHAR('4'),
4804   EL_STEEL_CHAR('5'),
4805   EL_STEEL_CHAR('6'),
4806   EL_STEEL_CHAR('7'),
4807
4808   EL_STEEL_CHAR('8'),
4809   EL_STEEL_CHAR('9'),
4810   EL_STEEL_CHAR(':'),
4811   EL_STEEL_CHAR(';'),
4812
4813   EL_STEEL_CHAR('<'),
4814   EL_STEEL_CHAR('='),
4815   EL_STEEL_CHAR('>'),
4816   EL_STEEL_CHAR('?'),
4817
4818   EL_STEEL_CHAR('@'),
4819   EL_STEEL_CHAR('A'),
4820   EL_STEEL_CHAR('B'),
4821   EL_STEEL_CHAR('C'),
4822
4823   EL_STEEL_CHAR('D'),
4824   EL_STEEL_CHAR('E'),
4825   EL_STEEL_CHAR('F'),
4826   EL_STEEL_CHAR('G'),
4827
4828   EL_STEEL_CHAR('H'),
4829   EL_STEEL_CHAR('I'),
4830   EL_STEEL_CHAR('J'),
4831   EL_STEEL_CHAR('K'),
4832
4833   EL_STEEL_CHAR('L'),
4834   EL_STEEL_CHAR('M'),
4835   EL_STEEL_CHAR('N'),
4836   EL_STEEL_CHAR('O'),
4837
4838   EL_STEEL_CHAR('P'),
4839   EL_STEEL_CHAR('Q'),
4840   EL_STEEL_CHAR('R'),
4841   EL_STEEL_CHAR('S'),
4842
4843   EL_STEEL_CHAR('T'),
4844   EL_STEEL_CHAR('U'),
4845   EL_STEEL_CHAR('V'),
4846   EL_STEEL_CHAR('W'),
4847
4848   EL_STEEL_CHAR('X'),
4849   EL_STEEL_CHAR('Y'),
4850   EL_STEEL_CHAR('Z'),
4851   EL_STEEL_CHAR('['),
4852
4853   EL_STEEL_CHAR('\\'),
4854   EL_STEEL_CHAR(']'),
4855   EL_STEEL_CHAR('^'),
4856   EL_STEEL_CHAR('_'),
4857
4858   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4859   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4860   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4861   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4862
4863   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4864   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4865   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4866   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4867
4868   EL_STEEL_CHAR(FONT_ASCII_UP),
4869   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4870   EL_STEEL_CHAR(' '),
4871   EL_STEEL_CHAR(' ')
4872 };
4873 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4874 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4875 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4876 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4877
4878 static int editor_hl_custom[] =
4879 {
4880   EL_INTERNAL_CASCADE_CE_ACTIVE,
4881   EL_CHAR('C'),
4882   EL_CHAR('E'),
4883   EL_EMPTY,
4884 };
4885
4886 static int editor_el_custom[] =
4887 {
4888   EL_CUSTOM_START + 0,
4889   EL_CUSTOM_START + 1,
4890   EL_CUSTOM_START + 2,
4891   EL_CUSTOM_START + 3,
4892
4893   EL_CUSTOM_START + 4,
4894   EL_CUSTOM_START + 5,
4895   EL_CUSTOM_START + 6,
4896   EL_CUSTOM_START + 7,
4897
4898   EL_CUSTOM_START + 8,
4899   EL_CUSTOM_START + 9,
4900   EL_CUSTOM_START + 10,
4901   EL_CUSTOM_START + 11,
4902
4903   EL_CUSTOM_START + 12,
4904   EL_CUSTOM_START + 13,
4905   EL_CUSTOM_START + 14,
4906   EL_CUSTOM_START + 15,
4907
4908   EL_CUSTOM_START + 16,
4909   EL_CUSTOM_START + 17,
4910   EL_CUSTOM_START + 18,
4911   EL_CUSTOM_START + 19,
4912
4913   EL_CUSTOM_START + 20,
4914   EL_CUSTOM_START + 21,
4915   EL_CUSTOM_START + 22,
4916   EL_CUSTOM_START + 23,
4917
4918   EL_CUSTOM_START + 24,
4919   EL_CUSTOM_START + 25,
4920   EL_CUSTOM_START + 26,
4921   EL_CUSTOM_START + 27,
4922
4923   EL_CUSTOM_START + 28,
4924   EL_CUSTOM_START + 29,
4925   EL_CUSTOM_START + 30,
4926   EL_CUSTOM_START + 31,
4927
4928   EL_CUSTOM_START + 32,
4929   EL_CUSTOM_START + 33,
4930   EL_CUSTOM_START + 34,
4931   EL_CUSTOM_START + 35,
4932
4933   EL_CUSTOM_START + 36,
4934   EL_CUSTOM_START + 37,
4935   EL_CUSTOM_START + 38,
4936   EL_CUSTOM_START + 39,
4937
4938   EL_CUSTOM_START + 40,
4939   EL_CUSTOM_START + 41,
4940   EL_CUSTOM_START + 42,
4941   EL_CUSTOM_START + 43,
4942
4943   EL_CUSTOM_START + 44,
4944   EL_CUSTOM_START + 45,
4945   EL_CUSTOM_START + 46,
4946   EL_CUSTOM_START + 47,
4947
4948   EL_CUSTOM_START + 48,
4949   EL_CUSTOM_START + 49,
4950   EL_CUSTOM_START + 50,
4951   EL_CUSTOM_START + 51,
4952
4953   EL_CUSTOM_START + 52,
4954   EL_CUSTOM_START + 53,
4955   EL_CUSTOM_START + 54,
4956   EL_CUSTOM_START + 55,
4957
4958   EL_CUSTOM_START + 56,
4959   EL_CUSTOM_START + 57,
4960   EL_CUSTOM_START + 58,
4961   EL_CUSTOM_START + 59,
4962
4963   EL_CUSTOM_START + 60,
4964   EL_CUSTOM_START + 61,
4965   EL_CUSTOM_START + 62,
4966   EL_CUSTOM_START + 63,
4967
4968   EL_CUSTOM_START + 64,
4969   EL_CUSTOM_START + 65,
4970   EL_CUSTOM_START + 66,
4971   EL_CUSTOM_START + 67,
4972
4973   EL_CUSTOM_START + 68,
4974   EL_CUSTOM_START + 69,
4975   EL_CUSTOM_START + 70,
4976   EL_CUSTOM_START + 71,
4977
4978   EL_CUSTOM_START + 72,
4979   EL_CUSTOM_START + 73,
4980   EL_CUSTOM_START + 74,
4981   EL_CUSTOM_START + 75,
4982
4983   EL_CUSTOM_START + 76,
4984   EL_CUSTOM_START + 77,
4985   EL_CUSTOM_START + 78,
4986   EL_CUSTOM_START + 79,
4987
4988   EL_CUSTOM_START + 80,
4989   EL_CUSTOM_START + 81,
4990   EL_CUSTOM_START + 82,
4991   EL_CUSTOM_START + 83,
4992
4993   EL_CUSTOM_START + 84,
4994   EL_CUSTOM_START + 85,
4995   EL_CUSTOM_START + 86,
4996   EL_CUSTOM_START + 87,
4997
4998   EL_CUSTOM_START + 88,
4999   EL_CUSTOM_START + 89,
5000   EL_CUSTOM_START + 90,
5001   EL_CUSTOM_START + 91,
5002
5003   EL_CUSTOM_START + 92,
5004   EL_CUSTOM_START + 93,
5005   EL_CUSTOM_START + 94,
5006   EL_CUSTOM_START + 95,
5007
5008   EL_CUSTOM_START + 96,
5009   EL_CUSTOM_START + 97,
5010   EL_CUSTOM_START + 98,
5011   EL_CUSTOM_START + 99,
5012
5013   EL_CUSTOM_START + 100,
5014   EL_CUSTOM_START + 101,
5015   EL_CUSTOM_START + 102,
5016   EL_CUSTOM_START + 103,
5017
5018   EL_CUSTOM_START + 104,
5019   EL_CUSTOM_START + 105,
5020   EL_CUSTOM_START + 106,
5021   EL_CUSTOM_START + 107,
5022
5023   EL_CUSTOM_START + 108,
5024   EL_CUSTOM_START + 109,
5025   EL_CUSTOM_START + 110,
5026   EL_CUSTOM_START + 111,
5027
5028   EL_CUSTOM_START + 112,
5029   EL_CUSTOM_START + 113,
5030   EL_CUSTOM_START + 114,
5031   EL_CUSTOM_START + 115,
5032
5033   EL_CUSTOM_START + 116,
5034   EL_CUSTOM_START + 117,
5035   EL_CUSTOM_START + 118,
5036   EL_CUSTOM_START + 119,
5037
5038   EL_CUSTOM_START + 120,
5039   EL_CUSTOM_START + 121,
5040   EL_CUSTOM_START + 122,
5041   EL_CUSTOM_START + 123,
5042
5043   EL_CUSTOM_START + 124,
5044   EL_CUSTOM_START + 125,
5045   EL_CUSTOM_START + 126,
5046   EL_CUSTOM_START + 127,
5047
5048   EL_CUSTOM_START + 128,
5049   EL_CUSTOM_START + 129,
5050   EL_CUSTOM_START + 130,
5051   EL_CUSTOM_START + 131,
5052
5053   EL_CUSTOM_START + 132,
5054   EL_CUSTOM_START + 133,
5055   EL_CUSTOM_START + 134,
5056   EL_CUSTOM_START + 135,
5057
5058   EL_CUSTOM_START + 136,
5059   EL_CUSTOM_START + 137,
5060   EL_CUSTOM_START + 138,
5061   EL_CUSTOM_START + 139,
5062
5063   EL_CUSTOM_START + 140,
5064   EL_CUSTOM_START + 141,
5065   EL_CUSTOM_START + 142,
5066   EL_CUSTOM_START + 143,
5067
5068   EL_CUSTOM_START + 144,
5069   EL_CUSTOM_START + 145,
5070   EL_CUSTOM_START + 146,
5071   EL_CUSTOM_START + 147,
5072
5073   EL_CUSTOM_START + 148,
5074   EL_CUSTOM_START + 149,
5075   EL_CUSTOM_START + 150,
5076   EL_CUSTOM_START + 151,
5077
5078   EL_CUSTOM_START + 152,
5079   EL_CUSTOM_START + 153,
5080   EL_CUSTOM_START + 154,
5081   EL_CUSTOM_START + 155,
5082
5083   EL_CUSTOM_START + 156,
5084   EL_CUSTOM_START + 157,
5085   EL_CUSTOM_START + 158,
5086   EL_CUSTOM_START + 159,
5087
5088   EL_CUSTOM_START + 160,
5089   EL_CUSTOM_START + 161,
5090   EL_CUSTOM_START + 162,
5091   EL_CUSTOM_START + 163,
5092
5093   EL_CUSTOM_START + 164,
5094   EL_CUSTOM_START + 165,
5095   EL_CUSTOM_START + 166,
5096   EL_CUSTOM_START + 167,
5097
5098   EL_CUSTOM_START + 168,
5099   EL_CUSTOM_START + 169,
5100   EL_CUSTOM_START + 170,
5101   EL_CUSTOM_START + 171,
5102
5103   EL_CUSTOM_START + 172,
5104   EL_CUSTOM_START + 173,
5105   EL_CUSTOM_START + 174,
5106   EL_CUSTOM_START + 175,
5107
5108   EL_CUSTOM_START + 176,
5109   EL_CUSTOM_START + 177,
5110   EL_CUSTOM_START + 178,
5111   EL_CUSTOM_START + 179,
5112
5113   EL_CUSTOM_START + 180,
5114   EL_CUSTOM_START + 181,
5115   EL_CUSTOM_START + 182,
5116   EL_CUSTOM_START + 183,
5117
5118   EL_CUSTOM_START + 184,
5119   EL_CUSTOM_START + 185,
5120   EL_CUSTOM_START + 186,
5121   EL_CUSTOM_START + 187,
5122
5123   EL_CUSTOM_START + 188,
5124   EL_CUSTOM_START + 189,
5125   EL_CUSTOM_START + 190,
5126   EL_CUSTOM_START + 191,
5127
5128   EL_CUSTOM_START + 192,
5129   EL_CUSTOM_START + 193,
5130   EL_CUSTOM_START + 194,
5131   EL_CUSTOM_START + 195,
5132
5133   EL_CUSTOM_START + 196,
5134   EL_CUSTOM_START + 197,
5135   EL_CUSTOM_START + 198,
5136   EL_CUSTOM_START + 199,
5137
5138   EL_CUSTOM_START + 200,
5139   EL_CUSTOM_START + 201,
5140   EL_CUSTOM_START + 202,
5141   EL_CUSTOM_START + 203,
5142
5143   EL_CUSTOM_START + 204,
5144   EL_CUSTOM_START + 205,
5145   EL_CUSTOM_START + 206,
5146   EL_CUSTOM_START + 207,
5147
5148   EL_CUSTOM_START + 208,
5149   EL_CUSTOM_START + 209,
5150   EL_CUSTOM_START + 210,
5151   EL_CUSTOM_START + 211,
5152
5153   EL_CUSTOM_START + 212,
5154   EL_CUSTOM_START + 213,
5155   EL_CUSTOM_START + 214,
5156   EL_CUSTOM_START + 215,
5157
5158   EL_CUSTOM_START + 216,
5159   EL_CUSTOM_START + 217,
5160   EL_CUSTOM_START + 218,
5161   EL_CUSTOM_START + 219,
5162
5163   EL_CUSTOM_START + 220,
5164   EL_CUSTOM_START + 221,
5165   EL_CUSTOM_START + 222,
5166   EL_CUSTOM_START + 223,
5167
5168   EL_CUSTOM_START + 224,
5169   EL_CUSTOM_START + 225,
5170   EL_CUSTOM_START + 226,
5171   EL_CUSTOM_START + 227,
5172
5173   EL_CUSTOM_START + 228,
5174   EL_CUSTOM_START + 229,
5175   EL_CUSTOM_START + 230,
5176   EL_CUSTOM_START + 231,
5177
5178   EL_CUSTOM_START + 232,
5179   EL_CUSTOM_START + 233,
5180   EL_CUSTOM_START + 234,
5181   EL_CUSTOM_START + 235,
5182
5183   EL_CUSTOM_START + 236,
5184   EL_CUSTOM_START + 237,
5185   EL_CUSTOM_START + 238,
5186   EL_CUSTOM_START + 239,
5187
5188   EL_CUSTOM_START + 240,
5189   EL_CUSTOM_START + 241,
5190   EL_CUSTOM_START + 242,
5191   EL_CUSTOM_START + 243,
5192
5193   EL_CUSTOM_START + 244,
5194   EL_CUSTOM_START + 245,
5195   EL_CUSTOM_START + 246,
5196   EL_CUSTOM_START + 247,
5197
5198   EL_CUSTOM_START + 248,
5199   EL_CUSTOM_START + 249,
5200   EL_CUSTOM_START + 250,
5201   EL_CUSTOM_START + 251,
5202
5203   EL_CUSTOM_START + 252,
5204   EL_CUSTOM_START + 253,
5205   EL_CUSTOM_START + 254,
5206   EL_CUSTOM_START + 255
5207 };
5208 static int *editor_hl_custom_ptr = editor_hl_custom;
5209 static int *editor_el_custom_ptr = editor_el_custom;
5210 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5211 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5212
5213 static int editor_hl_group[] =
5214 {
5215   EL_INTERNAL_CASCADE_GE_ACTIVE,
5216   EL_CHAR('G'),
5217   EL_CHAR('E'),
5218   EL_EMPTY,
5219 };
5220
5221 static int editor_el_group[] =
5222 {
5223   EL_GROUP_START + 0,
5224   EL_GROUP_START + 1,
5225   EL_GROUP_START + 2,
5226   EL_GROUP_START + 3,
5227
5228   EL_GROUP_START + 4,
5229   EL_GROUP_START + 5,
5230   EL_GROUP_START + 6,
5231   EL_GROUP_START + 7,
5232
5233   EL_GROUP_START + 8,
5234   EL_GROUP_START + 9,
5235   EL_GROUP_START + 10,
5236   EL_GROUP_START + 11,
5237
5238   EL_GROUP_START + 12,
5239   EL_GROUP_START + 13,
5240   EL_GROUP_START + 14,
5241   EL_GROUP_START + 15,
5242
5243   EL_GROUP_START + 16,
5244   EL_GROUP_START + 17,
5245   EL_GROUP_START + 18,
5246   EL_GROUP_START + 19,
5247
5248   EL_GROUP_START + 20,
5249   EL_GROUP_START + 21,
5250   EL_GROUP_START + 22,
5251   EL_GROUP_START + 23,
5252
5253   EL_GROUP_START + 24,
5254   EL_GROUP_START + 25,
5255   EL_GROUP_START + 26,
5256   EL_GROUP_START + 27,
5257
5258   EL_GROUP_START + 28,
5259   EL_GROUP_START + 29,
5260   EL_GROUP_START + 30,
5261   EL_GROUP_START + 31
5262 };
5263 static int *editor_hl_group_ptr = editor_hl_group;
5264 static int *editor_el_group_ptr = editor_el_group;
5265 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5266 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5267
5268 static int editor_hl_reference[] =
5269 {
5270   EL_INTERNAL_CASCADE_REF_ACTIVE,
5271   EL_CHAR('R'),
5272   EL_CHAR('E'),
5273   EL_CHAR('F')
5274 };
5275
5276 static int editor_el_reference[] =
5277 {
5278   EL_TRIGGER_PLAYER,
5279   EL_TRIGGER_ELEMENT,
5280   EL_TRIGGER_CE_VALUE,
5281   EL_TRIGGER_CE_SCORE,
5282
5283   EL_SELF,
5284   EL_ANY_ELEMENT,
5285   EL_CURRENT_CE_VALUE,
5286   EL_CURRENT_CE_SCORE,
5287
5288   EL_PREV_CE_8,
5289   EL_PREV_CE_7,
5290   EL_PREV_CE_6,
5291   EL_PREV_CE_5,
5292
5293   EL_PREV_CE_4,
5294   EL_PREV_CE_3,
5295   EL_PREV_CE_2,
5296   EL_PREV_CE_1,
5297
5298   EL_NEXT_CE_1,
5299   EL_NEXT_CE_2,
5300   EL_NEXT_CE_3,
5301   EL_NEXT_CE_4,
5302
5303   EL_NEXT_CE_5,
5304   EL_NEXT_CE_6,
5305   EL_NEXT_CE_7,
5306   EL_NEXT_CE_8,
5307 };
5308 static int *editor_hl_reference_ptr = editor_hl_reference;
5309 static int *editor_el_reference_ptr = editor_el_reference;
5310 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5311 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5312
5313 static int editor_hl_user_defined[] =
5314 {
5315   EL_INTERNAL_CASCADE_USER_ACTIVE,
5316   EL_CHAR('M'),
5317   EL_CHAR('Y'),
5318   EL_EMPTY,
5319 };
5320
5321 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5322 static int *editor_el_user_defined_ptr = NULL;
5323 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5324 static int num_editor_el_user_defined = 0;
5325
5326 static int editor_hl_dynamic[] =
5327 {
5328   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5329   EL_CHAR('U'),
5330   EL_CHAR('S'),
5331   EL_CHAR('E'),
5332 };
5333
5334 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5335 static int *editor_el_dynamic_ptr = NULL;
5336 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5337 static int num_editor_el_dynamic = 0;
5338
5339 static int editor_hl_empty[] = { EL_EMPTY };
5340 static int *editor_el_empty = NULL;     // dynamically allocated
5341
5342 static int *editor_hl_empty_ptr = editor_hl_empty;
5343 static int *editor_el_empty_ptr = NULL;
5344 static int num_editor_hl_empty = 0;
5345 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5346
5347 static boolean use_el_empty = FALSE;
5348
5349 static int *editor_elements = NULL;     // dynamically allocated
5350 static int num_editor_elements = 0;     // dynamically determined
5351
5352 static boolean setup_editor_cascade_never = FALSE;
5353
5354 static boolean setup_editor_el_players                  = TRUE;
5355 static boolean setup_editor_el_boulderdash              = TRUE;
5356 static boolean setup_editor_el_emerald_mine             = TRUE;
5357 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5358 static boolean setup_editor_el_more                     = TRUE;
5359 static boolean setup_editor_el_sokoban                  = TRUE;
5360 static boolean setup_editor_el_supaplex                 = TRUE;
5361 static boolean setup_editor_el_diamond_caves            = TRUE;
5362 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5363 static boolean setup_editor_el_mirror_magic             = TRUE;
5364 static boolean setup_editor_el_deflektor                = TRUE;
5365 static boolean setup_editor_el_chars                    = TRUE;
5366 static boolean setup_editor_el_steel_chars              = TRUE;
5367 static boolean setup_editor_el_custom                   = TRUE;
5368 static boolean setup_editor_el_user_defined             = TRUE;
5369 static boolean setup_editor_el_dynamic                  = TRUE;
5370
5371 static int editor_hl_unused[] = { EL_EMPTY };
5372 static int *editor_hl_unused_ptr = editor_hl_unused;
5373 static int num_editor_hl_unused = 0;
5374
5375 static struct
5376 {
5377   boolean *setup_value;
5378   boolean *setup_cascade_value;
5379
5380   int **headline_list;
5381   int *headline_list_size;
5382
5383   int **element_list;
5384   int *element_list_size;
5385
5386   boolean last_setup_value;
5387 }
5388 editor_elements_info[] =
5389 {
5390   {
5391     &setup_editor_el_players,
5392     &setup_editor_cascade_never,
5393     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5394     &editor_el_players_ptr,             &num_editor_el_players
5395   },
5396   {
5397     &setup_editor_el_boulderdash,
5398     &setup.editor_cascade.el_bd,
5399     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5400     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5401   },
5402   {
5403     &setup_editor_el_emerald_mine,
5404     &setup.editor_cascade.el_em,
5405     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5406     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5407   },
5408   {
5409     &setup_editor_el_emerald_mine_club,
5410     &setup.editor_cascade.el_emc,
5411     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5412     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5413   },
5414   {
5415     &setup_editor_el_more,
5416     &setup.editor_cascade.el_rnd,
5417     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5418     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5419   },
5420   {
5421     &setup_editor_el_sokoban,
5422     &setup.editor_cascade.el_sb,
5423     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5424     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5425   },
5426   {
5427     &setup_editor_el_supaplex,
5428     &setup.editor_cascade.el_sp,
5429     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5430     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5431   },
5432   {
5433     &setup_editor_el_diamond_caves,
5434     &setup.editor_cascade.el_dc,
5435     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5436     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5437   },
5438   {
5439     &setup_editor_el_dx_boulderdash,
5440     &setup.editor_cascade.el_dx,
5441     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5442     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5443   },
5444   {
5445     &setup_editor_el_mirror_magic,
5446     &setup.editor_cascade.el_mm,
5447     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5448     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5449   },
5450   {
5451     &setup_editor_el_deflektor,
5452     &setup.editor_cascade.el_df,
5453     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5454     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5455   },
5456   {
5457     &setup_editor_el_chars,
5458     &setup.editor_cascade.el_chars,
5459     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5460     &editor_el_chars_ptr,               &num_editor_el_chars
5461   },
5462   {
5463     &setup_editor_el_steel_chars,
5464     &setup.editor_cascade.el_steel_chars,
5465     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5466     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5467   },
5468   {
5469     &setup_editor_el_custom,
5470     &setup.editor_cascade.el_ce,
5471     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5472     &editor_el_custom_ptr,              &num_editor_el_custom
5473   },
5474   {
5475     &setup_editor_el_custom,
5476     &setup.editor_cascade.el_ge,
5477     &editor_hl_group_ptr,               &num_editor_hl_group,
5478     &editor_el_group_ptr,               &num_editor_el_group
5479   },
5480   {
5481     &setup_editor_el_custom,
5482     &setup.editor_cascade.el_ref,
5483     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5484     &editor_el_reference_ptr,           &num_editor_el_reference
5485   },
5486   {
5487     &setup_editor_el_user_defined,
5488     &setup.editor_cascade.el_user,
5489     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5490     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5491   },
5492   {
5493     &setup_editor_el_dynamic,
5494     &setup.editor_cascade.el_dynamic,
5495     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5496     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5497   },
5498   {
5499     &use_el_empty,
5500     &use_el_empty,
5501     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5502     &editor_el_empty_ptr,               &num_editor_el_empty,
5503   },
5504   {
5505     NULL,
5506     NULL,
5507     NULL,                               NULL,
5508     NULL,                               NULL
5509   }
5510 };
5511
5512
5513 // ----------------------------------------------------------------------------
5514 // functions
5515 // ----------------------------------------------------------------------------
5516
5517 static int getMaxInfoTextLength(void)
5518 {
5519   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5520 }
5521
5522 static int getTextWidthForGadget(char *text)
5523 {
5524   if (text == NULL)
5525     return 0;
5526
5527   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5528 }
5529
5530 static int getTextWidthForDrawingArea(char *text)
5531 {
5532   if (text == NULL)
5533     return 0;
5534
5535   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5536 }
5537
5538 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5539 {
5540   return (gi->x + gi->width + getTextWidthForGadget(text));
5541 }
5542
5543 static char *getElementInfoText(int element)
5544 {
5545   char *info_text = NULL;
5546
5547   if (element < MAX_NUM_ELEMENTS)
5548   {
5549     if (strlen(element_info[element].description) > 0)
5550       info_text = element_info[element].description;
5551     else if (element_info[element].custom_description != NULL)
5552       info_text = element_info[element].custom_description;
5553     else if (element_info[element].editor_description != NULL)
5554       info_text = element_info[element].editor_description;
5555   }
5556
5557   if (info_text == NULL)
5558     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5559
5560   return info_text;
5561 }
5562
5563 static char *getElementDescriptionFilenameExt(char *basename)
5564 {
5565   char *elements_subdir = "elements";
5566   static char *elements_subdir2 = NULL;
5567   static char *filename = NULL;
5568
5569   if (elements_subdir2 == NULL)
5570     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5571
5572   checked_free(filename);
5573
5574   // 1st try: look for element description in current level set directory
5575   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5576   if (fileExists(filename))
5577     return filename;
5578
5579   free(filename);
5580
5581   // 2nd try: look for element description in the game's base directory
5582   filename = getPath3(options.docs_directory, elements_subdir, basename);
5583   if (fileExists(filename))
5584     return filename;
5585
5586   return NULL;
5587 }
5588
5589 static char *getElementDescriptionFilename(int element)
5590 {
5591   char basename[MAX_FILENAME_LEN];
5592   char *filename;
5593
5594   // 1st try: look for element description file for exactly this element
5595   sprintf(basename, "%s.txt", element_info[element].token_name);
5596   filename = getElementDescriptionFilenameExt(basename);
5597   if (filename != NULL)
5598     return filename;
5599
5600   // 2nd try: look for element description file for this element's class
5601   sprintf(basename, "%s.txt", element_info[element].class_name);
5602   filename = getElementDescriptionFilenameExt(basename);
5603   if (filename != NULL)
5604     return filename;
5605
5606   return NULL;
5607 }
5608
5609 static boolean suppressBorderElement(void)
5610 {
5611   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5612           lev_fieldx <= MAX_ED_FIELDX &&
5613           lev_fieldy <= MAX_ED_FIELDY);
5614 }
5615
5616 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5617 {
5618   boolean element_found[NUM_FILE_ELEMENTS];
5619   int i, x, y;
5620
5621   // initialize list of used elements to "not used"
5622   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5623     element_found[i] = FALSE;
5624
5625   // find all elements used in current level
5626   for (y = 0; y < lev_fieldy; y++)
5627     for (x = 0; x < lev_fieldx; x++)
5628       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5629         element_found[Tile[x][y]] = TRUE;
5630
5631   *num_elements = 0;
5632
5633   // count number of elements used in current level
5634   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5635     if (element_found[i])
5636       (*num_elements)++;
5637
5638   // add space for up to 3 more elements for padding that may be needed
5639   *num_elements += 3;
5640
5641   // free memory for old list of elements, if needed
5642   checked_free(*elements);
5643
5644   // allocate memory for new list of elements
5645   *elements = checked_malloc(*num_elements * sizeof(int));
5646
5647   *num_elements = 0;
5648
5649   // add all elements used in current level (non-custom/group elements)
5650   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5651     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5652       (*elements)[(*num_elements)++] = i;
5653
5654   // add all elements used in current level (custom/group elements)
5655   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5656     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5657       (*elements)[(*num_elements)++] = i;
5658
5659   while (*num_elements % 4)     // pad with empty elements, if needed
5660     (*elements)[(*num_elements)++] = EL_EMPTY;
5661 }
5662
5663 static void ReinitializeElementList_EnableSections(void)
5664 {
5665   // default: enable all element sections
5666
5667   setup_editor_el_players               = TRUE;
5668   setup_editor_el_boulderdash           = TRUE;
5669   setup_editor_el_emerald_mine          = TRUE;
5670   setup_editor_el_emerald_mine_club     = TRUE;
5671   setup_editor_el_more                  = TRUE;
5672   setup_editor_el_sokoban               = TRUE;
5673   setup_editor_el_supaplex              = TRUE;
5674   setup_editor_el_diamond_caves         = TRUE;
5675   setup_editor_el_dx_boulderdash        = TRUE;
5676   setup_editor_el_mirror_magic          = TRUE;
5677   setup_editor_el_deflektor             = TRUE;
5678   setup_editor_el_chars                 = TRUE;
5679   setup_editor_el_steel_chars           = TRUE;
5680
5681   setup_editor_el_custom                = TRUE;
5682   setup_editor_el_user_defined          = TRUE;
5683   setup_editor_el_dynamic               = TRUE;
5684
5685   // now disable all element sections not to be displayed
5686
5687   if (!setup.editor.el_classic)
5688   {
5689     setup_editor_el_players             = FALSE;
5690     setup_editor_el_boulderdash         = FALSE;
5691     setup_editor_el_emerald_mine        = FALSE;
5692     setup_editor_el_emerald_mine_club   = FALSE;
5693     setup_editor_el_more                = FALSE;
5694     setup_editor_el_sokoban             = FALSE;
5695     setup_editor_el_supaplex            = FALSE;
5696     setup_editor_el_diamond_caves       = FALSE;
5697     setup_editor_el_dx_boulderdash      = FALSE;
5698     setup_editor_el_mirror_magic        = FALSE;
5699     setup_editor_el_deflektor           = FALSE;
5700     setup_editor_el_chars               = FALSE;
5701     setup_editor_el_steel_chars         = FALSE;
5702   }
5703
5704   if (!setup.editor.el_custom)
5705   {
5706     setup_editor_el_custom              = FALSE;
5707   }
5708
5709   if (!setup.editor.el_user_defined)
5710   {
5711     setup_editor_el_user_defined        = FALSE;
5712   }
5713
5714   if (!setup.editor.el_dynamic)
5715   {
5716     setup_editor_el_dynamic             = FALSE;
5717   }
5718
5719   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5720   {
5721     setup_editor_el_mirror_magic        = FALSE;
5722     setup_editor_el_deflektor           = FALSE;
5723   }
5724   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5725   {
5726     setup_editor_el_boulderdash         = FALSE;
5727     setup_editor_el_more                = FALSE;
5728     setup_editor_el_sokoban             = FALSE;
5729     setup_editor_el_supaplex            = FALSE;
5730     setup_editor_el_diamond_caves       = FALSE;
5731     setup_editor_el_dx_boulderdash      = FALSE;
5732     setup_editor_el_mirror_magic        = FALSE;
5733     setup_editor_el_deflektor           = FALSE;
5734     setup_editor_el_steel_chars         = FALSE;
5735
5736     setup_editor_el_custom              = FALSE;
5737   }
5738   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5739   {
5740     setup_editor_el_players             = FALSE;
5741     setup_editor_el_boulderdash         = FALSE;
5742     setup_editor_el_emerald_mine        = FALSE;
5743     setup_editor_el_emerald_mine_club   = FALSE;
5744     setup_editor_el_more                = FALSE;
5745     setup_editor_el_sokoban             = FALSE;
5746     setup_editor_el_diamond_caves       = FALSE;
5747     setup_editor_el_dx_boulderdash      = FALSE;
5748     setup_editor_el_mirror_magic        = FALSE;
5749     setup_editor_el_deflektor           = FALSE;
5750     setup_editor_el_chars               = FALSE;
5751     setup_editor_el_steel_chars         = FALSE;
5752
5753     setup_editor_el_custom              = FALSE;
5754   }
5755   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5756   {
5757     setup_editor_el_players             = FALSE;
5758     setup_editor_el_boulderdash         = FALSE;
5759     setup_editor_el_emerald_mine        = FALSE;
5760     setup_editor_el_emerald_mine_club   = FALSE;
5761     setup_editor_el_more                = FALSE;
5762     setup_editor_el_sokoban             = FALSE;
5763     setup_editor_el_supaplex            = FALSE;
5764     setup_editor_el_diamond_caves       = FALSE;
5765     setup_editor_el_dx_boulderdash      = FALSE;
5766     setup_editor_el_steel_chars         = FALSE;
5767
5768     setup_editor_el_custom              = FALSE;
5769   }
5770 }
5771
5772 static void ReinitializeElementList(void)
5773 {
5774   static boolean initialization_needed = TRUE;
5775   int pos = 0;
5776   int i, j;
5777
5778   ReinitializeElementList_EnableSections();
5779
5780   if (initialization_needed)
5781   {
5782     LoadSetup_EditorCascade();          // load last editor cascade state
5783
5784     // initialize editor cascade element from saved cascade state
5785     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5786     {
5787       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5788       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5789
5790       if (IS_EDITOR_CASCADE(*cascade_element))
5791         *cascade_element =
5792           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5793            EL_CASCADE_INACTIVE(*cascade_element));
5794     }
5795
5796     initialization_needed = FALSE;
5797   }
5798
5799   checked_free(editor_elements);
5800
5801   // reload optional user defined element list for each invocation of editor
5802   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5803                                    &num_editor_el_user_defined);
5804
5805   // initialize dynamic level element list for each invocation of editor
5806   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5807                                &num_editor_el_dynamic);
5808
5809   // initialize list of empty elements (used for padding, if needed)
5810   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5811     editor_el_empty[i] = EL_EMPTY;
5812
5813   // do some sanity checks for each element from element list
5814   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5815   {
5816     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5817     {
5818       int element = (*editor_elements_info[i].element_list)[j];
5819
5820       if (element >= NUM_FILE_ELEMENTS)
5821         Warn("editor element %d is runtime element", element);
5822
5823       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5824         Warn("no element description text for element %d", element);
5825     }
5826   }
5827
5828   num_editor_elements = 0;
5829   use_el_empty = FALSE;
5830
5831   // determine size of element list
5832   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5833   {
5834     boolean found_inactive_cascade = FALSE;
5835
5836     if (*editor_elements_info[i].setup_value)
5837     {
5838       if (setup.editor.el_headlines)
5839       {
5840         // required for correct padding of palette headline buttons
5841         if (*editor_elements_info[i].headline_list_size > 0)
5842           num_editor_elements += ED_ELEMENTLIST_COLS;
5843
5844         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5845         {
5846           int element = (*editor_elements_info[i].headline_list)[j];
5847
5848           if (IS_EDITOR_CASCADE_INACTIVE(element))
5849             found_inactive_cascade = TRUE;
5850         }
5851       }
5852
5853       if (found_inactive_cascade)
5854         continue;
5855
5856       // required for correct padding of palette element buttons
5857       int element_list_size = *editor_elements_info[i].element_list_size;
5858       int element_rows =
5859         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5860       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5861
5862       num_editor_elements += element_buttons;
5863     }
5864   }
5865
5866   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5867   {
5868     // offer at least as many elements as element buttons exist
5869     use_el_empty = TRUE;
5870     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5871
5872     num_editor_elements += num_editor_el_empty;
5873   }
5874   else
5875   {
5876     num_editor_el_empty = 0;
5877   }
5878
5879   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5880
5881   // fill element list
5882   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5883   {
5884     boolean found_inactive_cascade = FALSE;
5885
5886     if (*editor_elements_info[i].setup_value)
5887     {
5888       if (setup.editor.el_headlines)
5889       {
5890         // required for correct padding of palette headline buttons
5891         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5892                              ED_ELEMENTLIST_COLS : 0);
5893
5894         for (j = 0; j < headline_size; j++)
5895         {
5896           // use empty elements for padding of palette headline buttons
5897           int element = (j < *editor_elements_info[i].headline_list_size ?
5898                          (*editor_elements_info[i].headline_list)[j] :
5899                          editor_el_empty[0]);
5900
5901           editor_elements[pos++] = element;
5902
5903           if (IS_EDITOR_CASCADE_INACTIVE(element))
5904             found_inactive_cascade = TRUE;
5905         }
5906       }
5907
5908       if (found_inactive_cascade)
5909         continue;
5910
5911       // required for correct padding of palette element buttons
5912       int element_list_size = *editor_elements_info[i].element_list_size;
5913       int element_rows =
5914         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5915       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5916
5917       // copy all elements from element list
5918       for (j = 0; j < element_list_size; j++)
5919         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5920
5921       // use empty elements for padding of palette element buttons
5922       for (j = 0; j < element_buttons - element_list_size; j++)
5923         editor_elements[pos++] = editor_el_empty[0];
5924     }
5925   }
5926
5927   // (this function is also called before editor gadgets are initialized!)
5928   AdjustElementListScrollbar();
5929 }
5930
5931 void PrintEditorElementList(void)
5932 {
5933   boolean *stop = &setup_editor_el_user_defined;
5934   int i, j;
5935
5936   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5937   {
5938     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5939
5940     if (IS_EDITOR_CASCADE(cascade_element))
5941     {
5942       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5943       char *headline = element_info[cascade_element_show].editor_description;
5944
5945       PrintLineWithPrefix("# ", "-", 77);
5946       Print("# %s\n", headline);
5947       PrintLineWithPrefix("# ", "-", 77);
5948     }
5949
5950     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5951     {
5952       int element = (*editor_elements_info[i].headline_list)[j];
5953
5954       if (IS_EDITOR_CASCADE(element))
5955         element = EL_CHAR_MINUS;
5956
5957       Print("# %s\n", element_info[element].token_name);
5958     }
5959
5960     if (j > 0)
5961       Print("#\n");
5962
5963     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5964     {
5965       int element = (*editor_elements_info[i].element_list)[j];
5966
5967       Print("# %s\n", element_info[element].token_name);
5968     }
5969
5970     if (j > 0)
5971       Print("#\n");
5972   }
5973 }
5974
5975 static void ReinitializeElementListButtons(void)
5976 {
5977   static boolean last_setup_value_headlines = FALSE;
5978   static boolean initialization_needed = TRUE;
5979   int i;
5980
5981   if (!initialization_needed)   // check if editor element setup has changed
5982   {
5983     if (last_setup_value_headlines != setup.editor.el_headlines)
5984       initialization_needed = TRUE;
5985
5986     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5987       if (editor_elements_info[i].last_setup_value !=
5988           *editor_elements_info[i].setup_value)
5989         initialization_needed = TRUE;
5990   }
5991
5992   if (!initialization_needed)
5993     return;
5994
5995   FreeLevelEditorGadgets();
5996   CreateLevelEditorGadgets();
5997
5998   // store current setup values for next invocation of this function
5999   last_setup_value_headlines = setup.editor.el_headlines;
6000   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6001     editor_elements_info[i].last_setup_value =
6002       *editor_elements_info[i].setup_value;
6003
6004   initialization_needed = FALSE;
6005 }
6006
6007 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6008                               boolean input)
6009 {
6010   int border_graphic =
6011     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6012   struct GraphicInfo *g = &graphic_info[border_graphic];
6013   Bitmap *src_bitmap = g->bitmap;
6014   int src_x = g->src_x;
6015   int src_y = g->src_y;
6016   int border_size = g->border_size;
6017   int border_xpos = g->width  - border_size;
6018   int border_ypos = g->height - border_size;
6019   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6020   int i;
6021
6022   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6023              border_size, border_size,
6024              dest_x - border_size, dest_y - border_size);
6025   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6026              border_size, border_size,
6027              dest_x + width, dest_y - border_size);
6028   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6029              border_size, border_size,
6030              dest_x - border_size, dest_y + height);
6031   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6032              border_size, border_size,
6033              dest_x + width, dest_y + height);
6034
6035   for (i = 0; i < width / tilesize; i++)
6036   {
6037     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6038                tilesize, border_size,
6039                dest_x + i * tilesize, dest_y - border_size);
6040     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6041                tilesize, border_size,
6042                dest_x + i * tilesize, dest_y + height);
6043   }
6044
6045   for (i = 0; i < height / tilesize; i++)
6046   {
6047     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6048                border_size, tilesize,
6049                dest_x - border_size, dest_y + i * tilesize);
6050     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6051                border_size, tilesize,
6052                dest_x + width, dest_y + i * tilesize);
6053   }
6054
6055   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6056 }
6057
6058 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6059 {
6060   int xsize_tile = MAX(ed_tilesize, xsize);
6061   int ysize_tile = MAX(ed_tilesize, ysize);
6062   int xsize_full = xsize + 1;
6063   int ysize_full = ysize + 1;
6064   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6065   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6066   Pixel line_color = getTabulatorBarColor();
6067
6068   if (line_color == BLACK_PIXEL)                // black => transparent
6069     return;
6070
6071   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6072   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6073   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6074 }
6075
6076 static void DrawEditorLevelBorderLinesIfNeeded(void)
6077 {
6078   int xsize = lev_fieldx * ed_tilesize;
6079   int ysize = lev_fieldy * ed_tilesize;
6080   int line_size = getTabulatorBarHeight();
6081
6082   if (!suppressBorderElement())
6083     return;
6084
6085   // draw little border line around editable level playfield
6086
6087   if (xsize < SXSIZE)
6088     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6089
6090   if (ysize < SYSIZE)
6091     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6092
6093   if (xsize < SXSIZE && ysize < SYSIZE)
6094     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6095 }
6096
6097 static void DrawEditorElement(int x, int y, int element)
6098 {
6099   DrawSizedElement(x, y, element, ed_tilesize);
6100 }
6101
6102 static void DrawEditorElementThruMask(int x, int y, int element)
6103 {
6104   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6105 }
6106
6107 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6108 {
6109   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6110 }
6111
6112 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6113 {
6114   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6115   DrawEditorLevelBorderLinesIfNeeded();
6116 }
6117
6118 static void DrawDrawingArea(int id)
6119 {
6120   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6121   int x, y;
6122
6123   int *value = drawingarea_info[id].value;
6124   int area_xsize = drawingarea_info[id].area_xsize;
6125   int area_ysize = drawingarea_info[id].area_ysize;
6126   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6127
6128   for (x = 0; x < area_xsize; x++)
6129     for (y = 0; y < area_ysize; y++)
6130       DrawSizedGraphicExt(drawto,
6131                           gi->x + x * tilesize,
6132                           gi->y + y * tilesize,
6133                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6134 }
6135
6136 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6137 {
6138   int x, y;
6139   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6140   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6141
6142   BlitBitmap(drawto, drawto,
6143              SX + (dx == -1 ? ed_tilesize : 0),
6144              SY + (dy == -1 ? ed_tilesize : 0),
6145              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6146              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6147              SX + (dx == +1 ? ed_tilesize : 0),
6148              SY + (dy == +1 ? ed_tilesize : 0));
6149
6150   if (dx)
6151   {
6152     x = (dx == 1 ? 0 : ed_fieldx - 1);
6153     for (y = 0; y < ed_fieldy; y++)
6154       DrawEditorElementOrWall(x, y, from_x, from_y);
6155   }
6156   else if (dy)
6157   {
6158     y = (dy == 1 ? 0 : ed_fieldy - 1);
6159     for (x = 0; x < ed_fieldx; x++)
6160       DrawEditorElementOrWall(x, y, from_x, from_y);
6161   }
6162
6163   redraw_mask |= REDRAW_FIELD;
6164   BackToFront();
6165 }
6166
6167 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6168                                    int *x, int *y)
6169 {
6170   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6171 }
6172
6173 static void CreateControlButtons(void)
6174 {
6175   struct GadgetInfo *gi;
6176   int i;
6177
6178   // create toolbox buttons
6179   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6180   {
6181     int id = controlbutton_info[i].gadget_id;
6182     int type = controlbutton_info[i].gadget_type;
6183     int graphic = controlbutton_info[i].graphic;
6184     struct XYTileSize *pos = controlbutton_info[i].pos;
6185     struct GraphicInfo *gd = &graphic_info[graphic];
6186     Bitmap *deco_bitmap = NULL;
6187     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6188     int tile_size = 0, deco_shift = 0;
6189     boolean deco_masked = FALSE;
6190     int gd_x1 = gd->src_x;
6191     int gd_y1 = gd->src_y;
6192     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6193     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6194     int gd_x1a = gd->src_x + gd->active_xoffset;
6195     int gd_y1a = gd->src_y + gd->active_yoffset;
6196     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6197     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6198     int x = pos->x;
6199     int y = pos->y;
6200     unsigned int event_mask;
6201     int radio_button_nr = RADIO_NR_NONE;
6202     boolean checked = FALSE;
6203
6204     if (type == GD_TYPE_RADIO_BUTTON)
6205     {
6206       event_mask = GD_EVENT_PRESSED;
6207       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6208
6209       if (id == drawing_function)
6210         checked = TRUE;
6211     }
6212     else
6213     {
6214       if (id == GADGET_ID_WRAP_LEFT ||
6215           id == GADGET_ID_WRAP_RIGHT ||
6216           id == GADGET_ID_WRAP_UP ||
6217           id == GADGET_ID_WRAP_DOWN)
6218         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6219       else
6220         event_mask = GD_EVENT_RELEASED;
6221     }
6222
6223     if (id == GADGET_ID_PROPERTIES ||
6224         id == GADGET_ID_PALETTE)
6225     {
6226       x += DX;
6227       y += DY;
6228     }
6229     else if (id == GADGET_ID_ELEMENT_LEFT ||
6230              id == GADGET_ID_ELEMENT_MIDDLE ||
6231              id == GADGET_ID_ELEMENT_RIGHT)
6232     {
6233       x += DX;
6234       y += DY;
6235
6236       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6237                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6238                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6239
6240       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6241                                    editor.button.element_left.tile_size :
6242                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6243                                    editor.button.element_middle.tile_size :
6244                                    id == GADGET_ID_ELEMENT_RIGHT ?
6245                                    editor.button.element_right.tile_size : 0);
6246
6247       // make sure that decoration does not overlap gadget border
6248       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6249
6250       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6251
6252       deco_xpos = (gd->width  - tile_size) / 2;
6253       deco_ypos = (gd->height - tile_size) / 2;
6254       deco_shift = 1;
6255       deco_masked = gd->draw_masked;
6256     }
6257     else
6258     {
6259       x += EX;
6260       y += EY;
6261     }
6262
6263     gi = CreateGadget(GDI_CUSTOM_ID, id,
6264                       GDI_CUSTOM_TYPE_ID, i,
6265                       GDI_IMAGE_ID, graphic,
6266                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6267                       GDI_X, x,
6268                       GDI_Y, y,
6269                       GDI_WIDTH, gd->width,
6270                       GDI_HEIGHT, gd->height,
6271                       GDI_TYPE, type,
6272                       GDI_STATE, GD_BUTTON_UNPRESSED,
6273                       GDI_RADIO_NR, radio_button_nr,
6274                       GDI_CHECKED, checked,
6275                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6276                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6277                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6278                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6279                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6280                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6281                       GDI_DECORATION_SIZE, tile_size, tile_size,
6282                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6283                       GDI_DECORATION_MASKED, deco_masked,
6284                       GDI_EVENT_MASK, event_mask,
6285                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6286                       GDI_CALLBACK_ACTION, HandleControlButtons,
6287                       GDI_END);
6288
6289     if (gi == NULL)
6290       Fail("cannot create gadget");
6291
6292     level_editor_gadget[id] = gi;
6293   }
6294
6295   // these values are not constant, but can change at runtime
6296   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6297   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6298   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6299   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6300   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6301   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6302   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6303   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6304   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6305   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6306   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6307   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6308
6309   // create buttons for scrolling of drawing area and element list
6310   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6311   {
6312     int id = scrollbutton_info[i].gadget_id;
6313     int graphic = scrollbutton_info[i].graphic;
6314     struct GraphicInfo *gd = &graphic_info[graphic];
6315     Bitmap *gd_bitmap = gd->bitmap;
6316     int gd_x1 = gd->src_x;
6317     int gd_y1 = gd->src_y;
6318     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6319     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6320     int width  = gd->width;
6321     int height = gd->height;
6322     int x = scrollbutton_pos[i].x;
6323     int y = scrollbutton_pos[i].y;
6324     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6325
6326     if (id == GADGET_ID_SCROLL_LIST_UP ||
6327         id == GADGET_ID_SCROLL_LIST_DOWN)
6328     {
6329       x += PX;
6330       y += PY;
6331     }
6332     else
6333     {
6334       x += SX;
6335       y += SY;
6336     }
6337
6338     gi = CreateGadget(GDI_CUSTOM_ID, id,
6339                       GDI_CUSTOM_TYPE_ID, i,
6340                       GDI_IMAGE_ID, graphic,
6341                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6342                       GDI_X, x,
6343                       GDI_Y, y,
6344                       GDI_WIDTH, width,
6345                       GDI_HEIGHT, height,
6346                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6347                       GDI_STATE, GD_BUTTON_UNPRESSED,
6348                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6349                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6350                       GDI_EVENT_MASK, event_mask,
6351                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6352                       GDI_CALLBACK_ACTION, HandleControlButtons,
6353                       GDI_END);
6354
6355     if (gi == NULL)
6356       Fail("cannot create gadget");
6357
6358     level_editor_gadget[id] = gi;
6359   }
6360
6361   // create buttons for element list
6362   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6363   {
6364     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6365     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6366     struct GraphicInfo *gd = &graphic_info[graphic];
6367     Bitmap *gd_bitmap = gd->bitmap;
6368     Bitmap *deco_bitmap;
6369     int deco_x, deco_y, deco_xpos, deco_ypos;
6370     int gd_x1 = gd->src_x;
6371     int gd_y1 = gd->src_y;
6372     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6373     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6374     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6375     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6376     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6377     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6378     int element = editor_elements[i];
6379     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6380     unsigned int event_mask = GD_EVENT_RELEASED;
6381
6382     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6383
6384     deco_xpos = (gd->width  - tile_size) / 2;
6385     deco_ypos = (gd->height - tile_size) / 2;
6386
6387     gi = CreateGadget(GDI_CUSTOM_ID, id,
6388                       GDI_CUSTOM_TYPE_ID, i,
6389                       GDI_IMAGE_ID, graphic,
6390                       GDI_INFO_TEXT, getElementInfoText(element),
6391                       GDI_X, x,
6392                       GDI_Y, y,
6393                       GDI_WIDTH, gd->width,
6394                       GDI_HEIGHT, gd->height,
6395                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6396                       GDI_STATE, GD_BUTTON_UNPRESSED,
6397                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6398                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6399                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6400                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6401                       GDI_DECORATION_SIZE, tile_size, tile_size,
6402                       GDI_DECORATION_SHIFTING, 1, 1,
6403                       GDI_EVENT_MASK, event_mask,
6404                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6405                       GDI_CALLBACK_ACTION, HandleControlButtons,
6406                       GDI_END);
6407
6408     if (gi == NULL)
6409       Fail("cannot create gadget");
6410
6411     level_editor_gadget[id] = gi;
6412   }
6413 }
6414
6415 static void CreateCounterButtons(void)
6416 {
6417   int max_infotext_len = getMaxInfoTextLength();
6418   int i;
6419
6420   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6421   {
6422     int j;
6423     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6424     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6425
6426     // determine horizontal position to the right of specified gadget
6427     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6428       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6429            ED_GADGET_TEXT_DISTANCE);
6430
6431     // determine horizontal offset for leading text
6432     if (counterbutton_info[i].text_left != NULL)
6433       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6434
6435     for (j = 0; j < 2; j++)
6436     {
6437       struct GadgetInfo *gi;
6438       int id = (j == 0 ?
6439                 counterbutton_info[i].gadget_id_down :
6440                 counterbutton_info[i].gadget_id_up);
6441       int graphic;
6442       struct GraphicInfo *gd;
6443       int gd_x1, gd_x2, gd_y1, gd_y2;
6444       unsigned int event_mask;
6445       char infotext[max_infotext_len + 1];
6446
6447       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6448
6449       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6450       {
6451         graphic = (j == 0 ?
6452                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6453                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6454
6455         event_mask |= GD_EVENT_RELEASED;
6456
6457         if (j == 0)
6458         {
6459           x = DX + editor.button.prev_level.x;
6460           y = DY + editor.button.prev_level.y;
6461         }
6462         else
6463         {
6464           x = DX + editor.button.next_level.x;
6465           y = DY + editor.button.next_level.y;
6466         }
6467       }
6468       else
6469       {
6470         graphic = (j == 0 ?
6471                    IMG_EDITOR_COUNTER_DOWN :
6472                    IMG_EDITOR_COUNTER_UP);
6473       }
6474
6475       gd = &graphic_info[graphic];
6476
6477       gd_x1 = gd->src_x;
6478       gd_y1 = gd->src_y;
6479       gd_x2 = gd->src_x + gd->pressed_xoffset;
6480       gd_y2 = gd->src_y + gd->pressed_yoffset;
6481
6482       sprintf(infotext, "%s counter value by 1, 5 or 10",
6483               (j == 0 ? "decrease" : "increase"));
6484
6485       gi = CreateGadget(GDI_CUSTOM_ID, id,
6486                         GDI_CUSTOM_TYPE_ID, i,
6487                         GDI_IMAGE_ID, graphic,
6488                         GDI_INFO_TEXT, infotext,
6489                         GDI_X, x,
6490                         GDI_Y, y,
6491                         GDI_WIDTH, gd->width,
6492                         GDI_HEIGHT, gd->height,
6493                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6494                         GDI_STATE, GD_BUTTON_UNPRESSED,
6495                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6496                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6497                         GDI_EVENT_MASK, event_mask,
6498                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6499                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6500                         GDI_END);
6501
6502       if (gi == NULL)
6503         Fail("cannot create gadget");
6504
6505       level_editor_gadget[id] = gi;
6506       right_gadget_border[id] =
6507         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6508
6509       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6510
6511       if (j == 0)
6512       {
6513         int font_type = FONT_INPUT_1;
6514         int font_type_active = FONT_INPUT_1_ACTIVE;
6515
6516         id = counterbutton_info[i].gadget_id_text;
6517
6518         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6519
6520         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6521         {
6522           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6523
6524           font_type = FONT_LEVEL_NUMBER;
6525           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6526
6527           x = DX + editor.input.level_number.x;
6528           y = DY + editor.input.level_number.y;
6529         }
6530         else
6531         {
6532           graphic = IMG_EDITOR_COUNTER_INPUT;
6533         }
6534
6535         gd = &graphic_info[graphic];
6536
6537         gd_x1 = gd->src_x;
6538         gd_y1 = gd->src_y;
6539         gd_x2 = gd->src_x + gd->active_xoffset;
6540         gd_y2 = gd->src_y + gd->active_yoffset;
6541
6542         gi = CreateGadget(GDI_CUSTOM_ID, id,
6543                           GDI_CUSTOM_TYPE_ID, i,
6544                           GDI_IMAGE_ID, graphic,
6545                           GDI_INFO_TEXT, "enter counter value",
6546                           GDI_X, x,
6547                           GDI_Y, y,
6548                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6549                           GDI_NUMBER_VALUE, 0,
6550                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6551                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6552                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6553                           GDI_TEXT_FONT, font_type,
6554                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6555                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6556                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6557                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6558                           GDI_DESIGN_WIDTH, gd->width,
6559                           GDI_EVENT_MASK, event_mask,
6560                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6561                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6562                           GDI_END);
6563
6564         if (gi == NULL)
6565           Fail("cannot create gadget");
6566
6567         level_editor_gadget[id] = gi;
6568         right_gadget_border[id] =
6569           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6570
6571         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6572       }
6573     }
6574   }
6575 }
6576
6577 static void CreateDrawingAreas(void)
6578 {
6579   int i;
6580
6581   // these values are not constant, but can change at runtime
6582   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6583   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6584
6585   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6586   {
6587     struct GadgetInfo *gi;
6588     unsigned int event_mask;
6589     int id = drawingarea_info[i].gadget_id;
6590     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6591     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6592     int area_xsize = drawingarea_info[i].area_xsize;
6593     int area_ysize = drawingarea_info[i].area_ysize;
6594     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6595                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6596
6597     event_mask =
6598       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6599       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6600
6601     // determine horizontal position to the right of specified gadget
6602     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6603       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6604            ED_DRAWINGAREA_TEXT_DISTANCE);
6605
6606     // determine horizontal offset for leading text
6607     if (drawingarea_info[i].text_left != NULL)
6608       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6609
6610     gi = CreateGadget(GDI_CUSTOM_ID, id,
6611                       GDI_CUSTOM_TYPE_ID, i,
6612                       GDI_X, x,
6613                       GDI_Y, y,
6614                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6615                       GDI_AREA_SIZE, area_xsize, area_ysize,
6616                       GDI_ITEM_SIZE, item_size, item_size,
6617                       GDI_EVENT_MASK, event_mask,
6618                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6619                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6620                       GDI_END);
6621
6622     if (gi == NULL)
6623       Fail("cannot create gadget");
6624
6625     level_editor_gadget[id] = gi;
6626     right_gadget_border[id] =
6627       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6628   }
6629 }
6630
6631 static void CreateTextInputGadgets(void)
6632 {
6633   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6634   int max_infotext_len = getMaxInfoTextLength();
6635   int i;
6636
6637   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6638   {
6639     int gd_x1 = gd->src_x;
6640     int gd_y1 = gd->src_y;
6641     int gd_x2 = gd->src_x + gd->active_xoffset;
6642     int gd_y2 = gd->src_y + gd->active_yoffset;
6643     struct GadgetInfo *gi;
6644     unsigned int event_mask;
6645     char infotext[MAX_OUTPUT_LINESIZE + 1];
6646     int id = textinput_info[i].gadget_id;
6647     int x, y;
6648
6649     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6650     {
6651       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6652       int border_size = gd->border_size;
6653       int font_nr = FONT_INPUT_1;
6654       int font_height = getFontHeight(font_nr);
6655       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6656       int yoffset = element_border + (TILEY - font_height) / 2;
6657
6658       x = (editor.settings.element_name.x != -1 ?
6659            editor.settings.element_name.x :
6660            editor.settings.element_graphic.x + xoffset) - border_size;
6661       y = (editor.settings.element_name.y != -1 ?
6662            editor.settings.element_name.y :
6663            editor.settings.element_graphic.y + yoffset) - border_size;
6664     }
6665     else
6666     {
6667       x = ED_SETTINGS_X(textinput_info[i].x);
6668       y = ED_SETTINGS_Y(textinput_info[i].y);
6669     }
6670
6671     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6672
6673     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6674     infotext[max_infotext_len] = '\0';
6675
6676     gi = CreateGadget(GDI_CUSTOM_ID, id,
6677                       GDI_CUSTOM_TYPE_ID, i,
6678                       GDI_INFO_TEXT, infotext,
6679                       GDI_X, SX + x,
6680                       GDI_Y, SY + y,
6681                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6682                       GDI_TEXT_VALUE, textinput_info[i].value,
6683                       GDI_TEXT_SIZE, textinput_info[i].size,
6684                       GDI_TEXT_FONT, FONT_INPUT_1,
6685                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6686                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6687                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6688                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6689                       GDI_DESIGN_WIDTH, gd->width,
6690                       GDI_EVENT_MASK, event_mask,
6691                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6692                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6693                       GDI_END);
6694
6695     if (gi == NULL)
6696       Fail("cannot create gadget");
6697
6698     level_editor_gadget[id] = gi;
6699   }
6700 }
6701
6702 static void CreateTextAreaGadgets(void)
6703 {
6704   int max_infotext_len = getMaxInfoTextLength();
6705   int i;
6706
6707   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6708   {
6709     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6710     int gd_x1 = gd->src_x;
6711     int gd_y1 = gd->src_y;
6712     int gd_x2 = gd->src_x + gd->active_xoffset;
6713     int gd_y2 = gd->src_y + gd->active_yoffset;
6714     struct GadgetInfo *gi;
6715     unsigned int event_mask;
6716     char infotext[MAX_OUTPUT_LINESIZE + 1];
6717     int id = textarea_info[i].gadget_id;
6718     int area_xsize = textarea_info[i].xsize;
6719     int area_ysize = textarea_info[i].ysize;
6720
6721     event_mask = GD_EVENT_TEXT_LEAVING;
6722
6723     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6724     infotext[max_infotext_len] = '\0';
6725
6726     gi = CreateGadget(GDI_CUSTOM_ID, id,
6727                       GDI_CUSTOM_TYPE_ID, i,
6728                       GDI_INFO_TEXT, infotext,
6729                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6730                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6731                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6732                       GDI_AREA_SIZE, area_xsize, area_ysize,
6733                       GDI_TEXT_FONT, FONT_INPUT_1,
6734                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6735                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6736                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6737                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6738                       GDI_DESIGN_WIDTH, gd->width,
6739                       GDI_EVENT_MASK, event_mask,
6740                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6741                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6742                       GDI_END);
6743
6744     if (gi == NULL)
6745       Fail("cannot create gadget");
6746
6747     level_editor_gadget[id] = gi;
6748   }
6749 }
6750
6751 static void CreateSelectboxGadgets(void)
6752 {
6753   int max_infotext_len = getMaxInfoTextLength();
6754   int i, j;
6755
6756   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6757   {
6758     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6759     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6760     int gd_x1 = gd->src_x;
6761     int gd_y1 = gd->src_y;
6762     int gd_x2 = gd->src_x + gd->active_xoffset;
6763     int gd_y2 = gd->src_y + gd->active_yoffset;
6764     int selectbox_button_xsize = gd2->width;
6765     struct GadgetInfo *gi;
6766     unsigned int event_mask;
6767     char infotext[MAX_OUTPUT_LINESIZE + 1];
6768     int id = selectbox_info[i].gadget_id;
6769     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6770     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6771
6772     if (selectbox_info[i].size == -1)   // dynamically determine size
6773     {
6774       // (we cannot use -1 for uninitialized values if we directly compare
6775       // with results from strlen(), because the '<' and '>' operation will
6776       // implicitely cast -1 to an unsigned integer value!)
6777       selectbox_info[i].size = 0;
6778
6779       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6780         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6781           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6782
6783       selectbox_info[i].size++;         // add one character empty space
6784     }
6785
6786     event_mask = GD_EVENT_RELEASED |
6787       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6788
6789     // determine horizontal position to the right of specified gadget
6790     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6791       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6792            ED_GADGET_TEXT_DISTANCE);
6793
6794     // determine horizontal offset for leading text
6795     if (selectbox_info[i].text_left != NULL)
6796       x += getTextWidthForGadget(selectbox_info[i].text_left);
6797
6798     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6799     infotext[max_infotext_len] = '\0';
6800
6801     gi = CreateGadget(GDI_CUSTOM_ID, id,
6802                       GDI_CUSTOM_TYPE_ID, i,
6803                       GDI_INFO_TEXT, infotext,
6804                       GDI_X, x,
6805                       GDI_Y, y,
6806                       GDI_TYPE, GD_TYPE_SELECTBOX,
6807                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6808                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6809                       GDI_TEXT_SIZE, selectbox_info[i].size,
6810                       GDI_TEXT_FONT, FONT_INPUT_1,
6811                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6812                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6813                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6814                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6815                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6816                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6817                       GDI_DESIGN_WIDTH, gd->width,
6818                       GDI_EVENT_MASK, event_mask,
6819                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6820                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6821                       GDI_END);
6822
6823     if (gi == NULL)
6824       Fail("cannot create gadget");
6825
6826     level_editor_gadget[id] = gi;
6827     right_gadget_border[id] =
6828       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6829   }
6830 }
6831
6832 static void CreateTextbuttonGadgets(void)
6833 {
6834   int max_infotext_len = getMaxInfoTextLength();
6835   int i;
6836
6837   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6838   {
6839     int id = textbutton_info[i].gadget_id;
6840     int is_tab_button =
6841       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6842        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6843     int graphic =
6844       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6845     int gadget_distance =
6846       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6847     struct GraphicInfo *gd = &graphic_info[graphic];
6848     int gd_x1 = gd->src_x;
6849     int gd_y1 = gd->src_y;
6850     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6851     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6852     int gd_x1a = gd->src_x + gd->active_xoffset;
6853     int gd_y1a = gd->src_y + gd->active_yoffset;
6854     int border_xsize = gd->border_size + gd->draw_xoffset;
6855     int border_ysize = gd->border_size;
6856     struct GadgetInfo *gi;
6857     unsigned int event_mask;
6858     char infotext[MAX_OUTPUT_LINESIZE + 1];
6859     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6860     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6861
6862     if (textbutton_info[i].size == -1)  // dynamically determine size
6863       textbutton_info[i].size = strlen(textbutton_info[i].text);
6864
6865     event_mask = GD_EVENT_RELEASED;
6866
6867     sprintf(infotext, "%s", textbutton_info[i].infotext);
6868     infotext[max_infotext_len] = '\0';
6869
6870     // determine horizontal position to the right of specified gadget
6871     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6872     {
6873       int gadget_id_align = textbutton_info[i].gadget_id_align;
6874
6875       x = right_gadget_border[gadget_id_align] + gadget_distance;
6876
6877       if (textbutton_info[i].y == -1)
6878         y = level_editor_gadget[gadget_id_align]->y;
6879     }
6880
6881     // determine horizontal offset for leading text
6882     if (textbutton_info[i].text_left != NULL)
6883       x += getTextWidthForGadget(textbutton_info[i].text_left);
6884
6885     gi = CreateGadget(GDI_CUSTOM_ID, id,
6886                       GDI_CUSTOM_TYPE_ID, i,
6887                       GDI_IMAGE_ID, graphic,
6888                       GDI_INFO_TEXT, infotext,
6889                       GDI_X, x,
6890                       GDI_Y, y,
6891                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6892                       GDI_TEXT_VALUE, textbutton_info[i].text,
6893                       GDI_TEXT_SIZE, textbutton_info[i].size,
6894                       GDI_TEXT_FONT, FONT_INPUT_2,
6895                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6896                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6897                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6898                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6899                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6900                       GDI_DESIGN_WIDTH, gd->width,
6901                       GDI_DECORATION_SHIFTING, 1, 1,
6902                       GDI_EVENT_MASK, event_mask,
6903                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6904                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6905                       GDI_END);
6906
6907     if (gi == NULL)
6908       Fail("cannot create gadget");
6909
6910     level_editor_gadget[id] = gi;
6911     right_gadget_border[id] =
6912       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6913   }
6914 }
6915
6916 static void CreateGraphicbuttonGadgets(void)
6917 {
6918   struct GadgetInfo *gi;
6919   unsigned int event_mask;
6920   int i;
6921
6922   // create buttons for scrolling of drawing area and element list
6923   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6924   {
6925     int id = graphicbutton_info[i].gadget_id;
6926     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6927     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6928     int graphic = graphicbutton_info[i].graphic;
6929     struct GraphicInfo *gd = &graphic_info[graphic];
6930     int gd_x1 = gd->src_x;
6931     int gd_y1 = gd->src_y;
6932     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6933     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6934
6935     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6936
6937     // determine horizontal position to the right of specified gadget
6938     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6939       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6940            ED_GADGET_TEXT_DISTANCE);
6941
6942     // determine horizontal offset for leading text
6943     if (graphicbutton_info[i].text_left != NULL)
6944       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6945
6946     gi = CreateGadget(GDI_CUSTOM_ID, id,
6947                       GDI_CUSTOM_TYPE_ID, i,
6948                       GDI_IMAGE_ID, graphic,
6949                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6950                       GDI_X, x,
6951                       GDI_Y, y,
6952                       GDI_WIDTH, gd->width,
6953                       GDI_HEIGHT, gd->height,
6954                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6955                       GDI_STATE, GD_BUTTON_UNPRESSED,
6956                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6957                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6958                       GDI_EVENT_MASK, event_mask,
6959                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6960                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6961                       GDI_END);
6962
6963     if (gi == NULL)
6964       Fail("cannot create gadget");
6965
6966     level_editor_gadget[id] = gi;
6967     right_gadget_border[id] =
6968       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6969   }
6970 }
6971
6972 static void CreateScrollbarGadgets(void)
6973 {
6974   int i;
6975
6976   // these values are not constant, but can change at runtime
6977   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6978     SX + ED_SCROLL_HORIZONTAL_XPOS;
6979   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6980     SY + ED_SCROLL_HORIZONTAL_YPOS;
6981   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6982     ED_SCROLL_HORIZONTAL_XSIZE;
6983   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6984     ED_SCROLL_HORIZONTAL_YSIZE;
6985   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6986   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6987   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6988   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6989
6990   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6991     SX + ED_SCROLL_VERTICAL_XPOS;
6992   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6993     SY + ED_SCROLL_VERTICAL_YPOS;
6994   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6995     ED_SCROLL_VERTICAL_XSIZE;
6996   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6997     ED_SCROLL_VERTICAL_YSIZE;
6998   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6999   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7000   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7001   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7002
7003   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7004     PX + ED_SCROLL2_VERTICAL_XPOS;
7005   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7006     PY + ED_SCROLL2_VERTICAL_YPOS;
7007   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7008     ED_SCROLL2_VERTICAL_XSIZE;
7009   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7010     ED_SCROLL2_VERTICAL_YSIZE;
7011   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7012   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7013   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7014   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7015
7016   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7017   {
7018     int id = scrollbar_info[i].gadget_id;
7019     int graphic = scrollbar_info[i].graphic;
7020     struct GraphicInfo *gd = &graphic_info[graphic];
7021     int gd_x1 = gd->src_x;
7022     int gd_y1 = gd->src_y;
7023     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7024     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7025     struct GadgetInfo *gi;
7026     int items_max, items_visible, item_position;
7027     unsigned int event_mask;
7028
7029     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7030     {
7031       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7032       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7033       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7034     }
7035     else        // drawing area scrollbars
7036     {
7037       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7038       {
7039         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7040         items_visible = ed_fieldx;
7041         item_position = 0;
7042       }
7043       else
7044       {
7045         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7046         items_visible = ed_fieldy;
7047         item_position = 0;
7048       }
7049     }
7050
7051     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7052
7053     gi = CreateGadget(GDI_CUSTOM_ID, id,
7054                       GDI_CUSTOM_TYPE_ID, i,
7055                       GDI_IMAGE_ID, graphic,
7056                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7057                       GDI_X, scrollbar_pos[i].x,
7058                       GDI_Y, scrollbar_pos[i].y,
7059                       GDI_WIDTH, scrollbar_pos[i].width,
7060                       GDI_HEIGHT, scrollbar_pos[i].height,
7061                       GDI_TYPE, scrollbar_info[i].type,
7062                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7063                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7064                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7065                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7066                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7067                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7068                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7069                       GDI_STATE, GD_BUTTON_UNPRESSED,
7070                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7071                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7072                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7073                       GDI_EVENT_MASK, event_mask,
7074                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7075                       GDI_CALLBACK_ACTION, HandleControlButtons,
7076                       GDI_END);
7077
7078     if (gi == NULL)
7079       Fail("cannot create gadget");
7080
7081     level_editor_gadget[id] = gi;
7082   }
7083 }
7084
7085 static void CreateCheckbuttonGadgets(void)
7086 {
7087   struct GadgetInfo *gi;
7088   unsigned int event_mask;
7089   int i;
7090
7091   event_mask = GD_EVENT_PRESSED;
7092
7093   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7094   {
7095     int id = checkbutton_info[i].gadget_id;
7096     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7097                    IMG_EDITOR_CHECKBOX);
7098     struct GraphicInfo *gd = &graphic_info[graphic];
7099     int gd_x1 = gd->src_x;
7100     int gd_y1 = gd->src_y;
7101     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7102     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7103     int gd_x1a = gd->src_x + gd->active_xoffset;
7104     int gd_y1a = gd->src_y + gd->active_yoffset;
7105     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7106     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7107     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7108     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7109
7110     // determine horizontal position to the right of specified gadget
7111     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7112       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7113            ED_GADGET_TEXT_DISTANCE);
7114
7115     // determine horizontal offset for leading text
7116     if (checkbutton_info[i].text_left != NULL)
7117       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7118
7119     gi = CreateGadget(GDI_CUSTOM_ID, id,
7120                       GDI_CUSTOM_TYPE_ID, i,
7121                       GDI_IMAGE_ID, graphic,
7122                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7123                       GDI_X, x,
7124                       GDI_Y, y,
7125                       GDI_WIDTH, gd->width,
7126                       GDI_HEIGHT, gd->height,
7127                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7128                       GDI_CHECKED, *checkbutton_info[i].value,
7129                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7130                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7131                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7132                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7133                       GDI_EVENT_MASK, event_mask,
7134                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7135                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7136                       GDI_END);
7137
7138     if (gi == NULL)
7139       Fail("cannot create gadget");
7140
7141     level_editor_gadget[id] = gi;
7142     right_gadget_border[id] =
7143       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7144   }
7145 }
7146
7147 static void CreateRadiobuttonGadgets(void)
7148 {
7149   int graphic = IMG_EDITOR_RADIOBUTTON;
7150   struct GraphicInfo *gd = &graphic_info[graphic];
7151   int gd_x1 = gd->src_x;
7152   int gd_y1 = gd->src_y;
7153   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7154   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7155   int gd_x1a = gd->src_x + gd->active_xoffset;
7156   int gd_y1a = gd->src_y + gd->active_yoffset;
7157   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7158   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7159   struct GadgetInfo *gi;
7160   unsigned int event_mask;
7161   int i;
7162
7163   event_mask = GD_EVENT_PRESSED;
7164
7165   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7166   {
7167     int id = radiobutton_info[i].gadget_id;
7168     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7169     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7170
7171     int checked =
7172       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7173
7174     // determine horizontal position to the right of specified gadget
7175     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7176       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7177            ED_GADGET_TEXT_DISTANCE);
7178
7179     // determine horizontal offset for leading text
7180     if (radiobutton_info[i].text_left != NULL)
7181       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7182
7183     gi = CreateGadget(GDI_CUSTOM_ID, id,
7184                       GDI_CUSTOM_TYPE_ID, i,
7185                       GDI_IMAGE_ID, graphic,
7186                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7187                       GDI_X, x,
7188                       GDI_Y, y,
7189                       GDI_WIDTH, gd->width,
7190                       GDI_HEIGHT, gd->height,
7191                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7192                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7193                       GDI_CHECKED, checked,
7194                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7195                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7196                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7197                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7198                       GDI_EVENT_MASK, event_mask,
7199                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7200                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7201                       GDI_END);
7202
7203     if (gi == NULL)
7204       Fail("cannot create gadget");
7205
7206     level_editor_gadget[id] = gi;
7207     right_gadget_border[id] =
7208       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7209   }
7210 }
7211
7212 void CreateLevelEditorGadgets(void)
7213 {
7214   // force EDITOR font inside level editor
7215   SetFontStatus(GAME_MODE_EDITOR);
7216
7217   // these values are not constant, but can change at runtime
7218   ed_fieldx = MAX_ED_FIELDX - 1;
7219   ed_fieldy = MAX_ED_FIELDY - 1;
7220
7221   num_editor_gadgets = NUM_EDITOR_GADGETS;
7222
7223   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7224
7225   level_editor_gadget =
7226     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7227   right_gadget_border =
7228     checked_calloc(num_editor_gadgets * sizeof(int));
7229
7230   // set number of empty (padding) element buttons to maximum number of buttons
7231   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7232
7233   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7234   editor_el_empty_ptr = editor_el_empty;
7235
7236   use_permanent_palette = !editor.palette.show_as_separate_screen;
7237
7238   ReinitializeElementList();
7239
7240   CreateControlButtons();
7241   CreateScrollbarGadgets();
7242
7243   // order of function calls is important because of cross-references
7244   CreateCheckbuttonGadgets();
7245   CreateCounterButtons();
7246   CreateRadiobuttonGadgets();
7247   CreateTextInputGadgets();
7248   CreateTextAreaGadgets();
7249   CreateSelectboxGadgets();
7250   CreateGraphicbuttonGadgets();
7251   CreateTextbuttonGadgets();
7252   CreateDrawingAreas();
7253
7254   ResetFontStatus();
7255 }
7256
7257 void FreeLevelEditorGadgets(void)
7258 {
7259   int i;
7260
7261   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7262
7263   for (i = 0; i < num_editor_gadgets; i++)
7264   {
7265     FreeGadget(level_editor_gadget[i]);
7266
7267     level_editor_gadget[i] = NULL;
7268   }
7269
7270   checked_free(level_editor_gadget);
7271   checked_free(right_gadget_border);
7272
7273   checked_free(editor_el_empty);
7274 }
7275
7276 static void MapCounterButtons(int id)
7277 {
7278   int font_nr = FONT_TEXT_1;
7279   int font_height = getFontHeight(font_nr);
7280   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7281   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7282   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7283   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7284   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7285   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7286   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7287   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7288   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7289   int yoffset = (gi_down->height - font_height) / 2;
7290   int x_left = gi_down->x - xoffset_left;
7291   int x_right;  // set after gadget position was modified
7292   int y_above = gi_down->y - yoffset_above;
7293   int x = gi_down->x;
7294   int y;        // set after gadget position was modified
7295
7296   // counter limits must be changed first to prevent value truncation
7297   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7298                             counterbutton_info[id].max_value);
7299
7300   // right text position might have changed after setting position above
7301   x_right = gi_up->x + gi_up->width + xoffset_right;
7302
7303   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7304
7305   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7306   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7307       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7308   {
7309     ModifyGadget(gi_down, GDI_Y,
7310                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7311     ModifyGadget(gi_text, GDI_Y,
7312                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7313     ModifyGadget(gi_up,   GDI_Y,
7314                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7315   }
7316
7317   // vertical position might have changed after setting position above
7318   y = gi_up->y + yoffset;
7319
7320   if (counterbutton_info[id].text_above)
7321     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7322
7323   if (counterbutton_info[id].text_left)
7324     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7325
7326   if (counterbutton_info[id].text_right)
7327     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7328
7329   MapGadget(gi_down);
7330   MapGadget(gi_text);
7331   MapGadget(gi_up);
7332 }
7333
7334 static void MapControlButtons(void)
7335 {
7336   int counter_id;
7337   int i;
7338
7339   // map toolbox buttons (excluding special CE toolbox buttons)
7340   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7341     MapGadget(level_editor_gadget[i]);
7342
7343   // map toolbox buttons (element properties buttons)
7344   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7345     MapGadget(level_editor_gadget[i]);
7346
7347   if (use_permanent_palette)
7348   {
7349     // map buttons to select elements
7350     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7351       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7352     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7353     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7354     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7355   }
7356
7357   // map buttons to select level
7358   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7359   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7360   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7361   MapCounterButtons(counter_id);
7362 }
7363
7364 static void MapDrawingArea(int id)
7365 {
7366   int font_nr = FONT_TEXT_1;
7367   int font_height = getFontHeight(font_nr);
7368   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7369   int area_xsize = gi->drawing.area_xsize;
7370   int area_ysize = gi->drawing.area_ysize;
7371   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7372   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7373   int x_left  = gi->x - xoffset_left;
7374   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7375   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7376   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7377   int y_side  = gi->y + (gi->height - font_height) / 2;
7378   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7379   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7380
7381   if (drawingarea_info[id].text_left)
7382     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7383
7384   if (drawingarea_info[id].text_right)
7385     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7386
7387   if (drawingarea_info[id].text_above)
7388     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7389
7390   if (drawingarea_info[id].text_below)
7391     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7392
7393   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7394   {
7395     DrawElementBorder(gi->x, gi->y,
7396                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7397                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7398
7399     DrawDrawingArea(id);
7400   }
7401
7402   MapGadget(gi);
7403 }
7404
7405 static void MapTextInputGadget(int id)
7406 {
7407   int font_nr = FONT_TEXT_1;
7408   int font_height = getFontHeight(font_nr);
7409   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7410   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7411   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7412   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7413
7414   if (textinput_info[id].text_above)
7415     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7416
7417   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7418
7419   MapGadget(gi);
7420 }
7421
7422 static void MapTextAreaGadget(int id)
7423 {
7424   int font_nr = FONT_TEXT_1;
7425   int font_height = getFontHeight(font_nr);
7426   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7427   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7428   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7429   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7430
7431   if (textarea_info[id].text_above)
7432     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7433
7434   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7435
7436   MapGadget(gi);
7437 }
7438
7439 static void MapSelectboxGadget(int id)
7440 {
7441   int font_nr = FONT_TEXT_1;
7442   int font_height = getFontHeight(font_nr);
7443   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7444   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7445   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7446   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7447   int yoffset = (gi->height - font_height) / 2;
7448   int x_left = gi->x - xoffset_left;
7449   int x_right = gi->x + gi->width + xoffset_right;
7450   int y_above = gi->y - yoffset_above;
7451   int x = gi->x;
7452   int y = gi->y + yoffset;
7453
7454   if (selectbox_info[id].text_above)
7455     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7456
7457   if (selectbox_info[id].text_left)
7458     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7459
7460   if (selectbox_info[id].text_right)
7461     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7462
7463   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7464
7465   MapGadget(gi);
7466 }
7467
7468 static void MapTextbuttonGadget(int id)
7469 {
7470   int font_nr = FONT_TEXT_1;
7471   int font_height = getFontHeight(font_nr);
7472   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7473   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7474   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7475   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7476   int yoffset = (gi->height - font_height) / 2;
7477   int x_left = gi->x - xoffset_left;
7478   int x_right = gi->x + gi->width + xoffset_right;
7479   int y_above = gi->y - yoffset_above;
7480   int x = gi->x;
7481   int y = gi->y + yoffset;
7482
7483   // only show button to delete change pages when more than minimum pages
7484   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7485       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7486     return;
7487
7488   if (textbutton_info[id].text_above)
7489     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7490
7491   if (textbutton_info[id].text_left)
7492     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7493
7494   if (textbutton_info[id].text_right)
7495     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7496
7497   MapGadget(gi);
7498 }
7499
7500 static void MapGraphicbuttonGadget(int id)
7501 {
7502   int font_nr = FONT_TEXT_1;
7503   int font_height = getFontHeight(font_nr);
7504   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7505   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7506   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7507   int yoffset = (gi->height - font_height) / 2;
7508   int x_left = gi->x - xoffset_left;
7509   int x_right = gi->x + gi->width + xoffset_right;
7510   int y = gi->y + yoffset;
7511
7512   if (graphicbutton_info[id].text_left)
7513     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7514
7515   if (graphicbutton_info[id].text_right)
7516     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7517
7518   MapGadget(gi);
7519 }
7520
7521 static void MapRadiobuttonGadget(int id)
7522 {
7523   int font_nr = FONT_TEXT_1;
7524   int font_height = getFontHeight(font_nr);
7525   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7526   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7527   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7528   int yoffset = (gi->height - font_height) / 2;
7529   int x_left = gi->x - xoffset_left;
7530   int x_right = gi->x + gi->width + xoffset_right;
7531   int y = gi->y + yoffset;
7532   boolean checked =
7533     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7534
7535   if (radiobutton_info[id].text_left)
7536     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7537
7538   if (radiobutton_info[id].text_right)
7539     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7540
7541   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7542
7543   MapGadget(gi);
7544 }
7545
7546 static void MapCheckbuttonGadget(int id)
7547 {
7548   int font_nr = FONT_TEXT_1;
7549   int font_height = getFontHeight(font_nr);
7550   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7551   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7552   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7553   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7554   int yoffset = (gi->height - font_height) / 2;
7555   int y_above = gi->y - yoffset_above;
7556   int x = gi->x;
7557   int x_left, x_right, y;       // set after gadget position was modified
7558
7559   // set position for gadgets with dynamically determined position
7560   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7561     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7562   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7563
7564   x_left = gi->x - xoffset_left;
7565   x_right = gi->x + gi->width + xoffset_right;
7566   y = gi->y + yoffset;
7567
7568   if (checkbutton_info[id].text_above)
7569     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7570
7571   if (checkbutton_info[id].text_left)
7572     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7573
7574   if (checkbutton_info[id].text_right)
7575     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7576
7577   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7578
7579   MapGadget(gi);
7580 }
7581
7582 static void MapMainDrawingArea(void)
7583 {
7584   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7585   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7586   int i;
7587
7588   if (suppressBorderElement())
7589   {
7590     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7591     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7592   }
7593
7594   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7595   {
7596     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7597           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7598          no_horizontal_scrollbar) ||
7599         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7600           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7601          no_vertical_scrollbar))
7602       continue;
7603
7604     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7605   }
7606
7607   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7608   {
7609     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7610         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7611       continue;
7612
7613     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7614   }
7615
7616   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7617 }
7618
7619 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7620 {
7621   int i;
7622
7623   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7624   {
7625     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7626         i == GADGET_ID_CUSTOM_COPY_TO ||
7627         i == GADGET_ID_CUSTOM_EXCHANGE ||
7628         i == GADGET_ID_CUSTOM_COPY ||
7629         i == GADGET_ID_CUSTOM_PASTE)
7630     {
7631       if (map)
7632         MapGadget(level_editor_gadget[i]);
7633       else
7634         UnmapGadget(level_editor_gadget[i]);
7635     }
7636   }
7637 }
7638
7639 static void MapLevelEditorToolboxCustomGadgets(void)
7640 {
7641   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7642 }
7643
7644 static void UnmapLevelEditorToolboxCustomGadgets(void)
7645 {
7646   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7647 }
7648
7649 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7650 {
7651   int i;
7652
7653   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7654   {
7655     if (i != GADGET_ID_SINGLE_ITEMS &&
7656         i != GADGET_ID_PICK_ELEMENT)
7657     {
7658       struct GadgetInfo *gi = level_editor_gadget[i];
7659
7660       if (map)
7661       {
7662         MapGadget(gi);
7663       }
7664       else
7665       {
7666         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7667         struct GraphicInfo *gd = &graphic_info[graphic];
7668
7669         UnmapGadget(gi);
7670
7671         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7672                    gi->width, gi->height, gi->x, gi->y);
7673
7674         redraw_mask |= REDRAW_DOOR_3;
7675       }
7676     }
7677   }
7678 }
7679
7680 static void MapLevelEditorToolboxDrawingGadgets(void)
7681 {
7682   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7683 }
7684
7685 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7686 {
7687   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7688 }
7689
7690 static void UnmapDrawingArea(int id)
7691 {
7692   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7693 }
7694
7695 static void UnmapLevelEditorFieldGadgets(void)
7696 {
7697   int i;
7698
7699   for (i = 0; i < num_editor_gadgets; i++)
7700     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7701                           level_editor_gadget[i]->y))
7702       UnmapGadget(level_editor_gadget[i]);
7703 }
7704
7705 void UnmapLevelEditorGadgets(void)
7706 {
7707   int i;
7708
7709   for (i = 0; i < num_editor_gadgets; i++)
7710     UnmapGadget(level_editor_gadget[i]);
7711 }
7712
7713 static void ResetUndoBuffer(void)
7714 {
7715   undo_buffer_position = -1;
7716   undo_buffer_steps = -1;
7717   redo_buffer_steps = 0;
7718
7719   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7720
7721   level.changed = FALSE;
7722 }
7723
7724 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7725 {
7726   if (remap_toolbox_gadgets)
7727   {
7728     ModifyEditorElementList();
7729     RedrawDrawingElements();
7730   }
7731
7732   if (edit_mode == ED_MODE_INFO)
7733     DrawLevelInfoWindow();
7734   else if (edit_mode == ED_MODE_PROPERTIES)
7735     DrawPropertiesWindow();
7736   else if (edit_mode == ED_MODE_PALETTE)
7737     DrawPaletteWindow();
7738   else  // edit_mode == ED_MODE_DRAWING
7739     DrawDrawingWindowExt(remap_toolbox_gadgets);
7740 }
7741
7742 static void DrawEditModeWindow(void)
7743 {
7744   DrawEditModeWindowExt(TRUE);
7745 }
7746
7747 static void DrawEditModeWindow_PlayfieldOnly(void)
7748 {
7749   DrawEditModeWindowExt(FALSE);
7750 }
7751
7752 static void ChangeEditModeWindow(int new_edit_mode)
7753 {
7754   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7755
7756   DrawEditModeWindow();
7757 }
7758
7759 static boolean LevelChanged(void)
7760 {
7761   boolean field_changed = FALSE;
7762   int x, y;
7763
7764   for (y = 0; y < lev_fieldy; y++)
7765     for (x = 0; x < lev_fieldx; x++)
7766       if (Tile[x][y] != level.field[x][y])
7767         field_changed = TRUE;
7768
7769   return (level.changed || field_changed);
7770 }
7771
7772 static boolean PrepareSavingIntoPersonalLevelSet(void)
7773 {
7774   static LevelDirTree *last_copied_leveldir = NULL;
7775   static LevelDirTree *last_written_leveldir = NULL;
7776   static int last_copied_level_nr = -1;
7777   static int last_written_level_nr = -1;
7778   LevelDirTree *leveldir_former = leveldir_current;
7779   int level_nr_former = level_nr;
7780   int new_level_nr;
7781
7782   // remember last mod/save so that for current session, we write
7783   // back to the same personal copy, asking only about overwrite.
7784   if (leveldir_current == last_copied_leveldir &&
7785       level_nr == last_copied_level_nr)
7786   {
7787     // "cd" to personal level set dir (as used when writing last copy)
7788     leveldir_current = last_written_leveldir;
7789     level_nr = last_written_level_nr;
7790
7791     return TRUE;
7792   }
7793
7794   if (!Request("This level is read-only! "
7795                "Save into personal level set?", REQ_ASK))
7796     return FALSE;
7797
7798   // "cd" to personal level set dir (for writing copy the first time)
7799   leveldir_current =
7800     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7801
7802   // this may happen if "setup.internal.create_user_levelset" is FALSE
7803   // or if file "levelinfo.conf" is missing in personal user level set
7804   if (leveldir_current == NULL)
7805   {
7806     Request("Cannot find personal level set?!", REQ_CONFIRM);
7807
7808     leveldir_current = leveldir_former;
7809
7810     return FALSE;
7811   }
7812
7813   // find unused level number
7814   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7815   {
7816     static char *level_filename = NULL;
7817
7818     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7819
7820     if (!fileExists(level_filename))
7821       break;
7822   }
7823
7824   last_copied_leveldir = leveldir_former;
7825   last_copied_level_nr = level_nr_former;
7826
7827   last_written_leveldir = leveldir_current;
7828   last_written_level_nr = level_nr = new_level_nr;
7829
7830   return TRUE;
7831 }
7832
7833 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7834 {
7835   static char *filename_levelinfo = NULL, *mod_name = NULL;
7836   FILE *file;
7837
7838   // annotate this copy-and-mod in personal levelinfo.conf
7839   setString(&filename_levelinfo,
7840             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7841
7842   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7843   {
7844     fprintf(file, "\n");
7845     fprintf(file, "# level %d was modified from:\n", level_nr);
7846     fprintf(file, "# - previous level set name:    %s\n",
7847             former_name);
7848     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7849             level.file_info.nr, level.name);
7850     fprintf(file, "# - previous author:            %s\n",
7851             level.author);
7852     fprintf(file, "# - previous save date:         ");
7853
7854     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7855     {
7856       fprintf(file, "%04d-%02d-%02d\n",
7857               level.creation_date.year,
7858               level.creation_date.month,
7859               level.creation_date.day);
7860     }
7861     else
7862     {
7863       fprintf(file, "not recorded\n");
7864     }
7865
7866     fclose(file);
7867   }
7868
7869   if (level_nr > leveldir_current->last_level)
7870     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7871
7872   // else: allow the save even if annotation failed
7873
7874   // now... spray graffiti on the old level vital statistics
7875   // user can change these; just trying to set a good baseline
7876
7877   // don't truncate names for fear of making offensive or silly:
7878   // long-named original author only recorded in levelinfo.conf.
7879   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7880   if (!strEqual(level.author, leveldir_current->author))
7881   {
7882     setString(&mod_name, getStringCat3(leveldir_current->author,
7883                                        " after ", level.author));
7884
7885     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7886       setString(&mod_name,
7887                 getStringCat2(leveldir_current->author, " (ed.)"));
7888
7889     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7890       setString(&mod_name, leveldir_current->author);
7891
7892     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7893
7894     // less worried about truncation here
7895     setString(&mod_name, getStringCat2("Mod: ", level.name));
7896     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7897   }
7898 }
7899
7900 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7901                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7902 {
7903   int x, y;
7904
7905   for (x = 0; x < lev_fieldx; x++)
7906     for (y = 0; y < lev_fieldy; y++)
7907       dst[x][y] = src[x][y];
7908 }
7909
7910 static int setSelectboxValue(int selectbox_id, int new_value)
7911 {
7912   int new_index_value = 0;
7913   int i;
7914
7915   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7916     if (selectbox_info[selectbox_id].options[i].value == new_value)
7917       new_index_value = i;
7918
7919   *selectbox_info[selectbox_id].value =
7920     selectbox_info[selectbox_id].options[new_index_value].value;
7921
7922   return new_index_value;
7923 }
7924
7925 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7926 {
7927   int i;
7928
7929   // change action mode and arg variables according to action type variable
7930   for (i = 0; action_arg_options[i].value != -1; i++)
7931   {
7932     if (action_arg_options[i].value == custom_element_change.action_type)
7933     {
7934       int mode = action_arg_options[i].mode;
7935
7936       // only change if corresponding selectbox has changed
7937       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7938           action_arg_modes[mode])
7939         custom_element_change.action_mode = -1;
7940
7941       // only change if corresponding selectbox has changed
7942       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7943           action_arg_options[i].options)
7944         custom_element_change.action_arg = -1;
7945
7946       break;
7947     }
7948   }
7949 }
7950
7951 static void setSelectboxSpecialActionOptions(void)
7952 {
7953   int i;
7954
7955   // change action mode and arg selectbox according to action type selectbox
7956   for (i = 0; action_arg_options[i].value != -1; i++)
7957   {
7958     if (action_arg_options[i].value == custom_element_change.action_type)
7959     {
7960       int mode = action_arg_options[i].mode;
7961
7962       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7963                                    action_arg_modes[mode]);
7964       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7965                                  custom_element_change.action_mode);
7966
7967       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7968                                    action_arg_options[i].options);
7969       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7970                                  custom_element_change.action_arg);
7971       break;
7972     }
7973   }
7974 }
7975
7976 static void copy_custom_element_settings(int element_from, int element_to)
7977 {
7978   struct ElementInfo *ei_from = &element_info[element_from];
7979   struct ElementInfo *ei_to = &element_info[element_to];
7980
7981   copyElementInfo(ei_from, ei_to);
7982 }
7983
7984 static void replace_custom_element_in_settings(int element_from,
7985                                                int element_to)
7986 {
7987   int i, j, x, y;
7988
7989   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7990   {
7991     struct ElementInfo *ei = &element_info[i];
7992
7993     for (y = 0; y < 3; y++)
7994       for (x = 0; x < 3; x++)
7995         if (ei->content.e[x][y] == element_from)
7996           ei->content.e[x][y] = element_to;
7997
7998     for (j = 0; j < ei->num_change_pages; j++)
7999     {
8000       struct ElementChangeInfo *change = &ei->change_page[j];
8001
8002       if (change->target_element == element_from)
8003         change->target_element = element_to;
8004
8005       if (change->initial_trigger_element == element_from)
8006         change->initial_trigger_element = element_to;
8007
8008       if (change->action_element == element_from)
8009         change->action_element = element_to;
8010
8011       for (y = 0; y < 3; y++)
8012         for (x = 0; x < 3; x++)
8013           if (change->target_content.e[x][y] == element_from)
8014             change->target_content.e[x][y] = element_to;
8015     }
8016
8017     if (ei->group != NULL)                              // group or internal
8018       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8019         if (ei->group->element[j] == element_from)
8020           ei->group->element[j] = element_to;
8021   }
8022 }
8023
8024 static void replace_custom_element_in_playfield(int element_from,
8025                                                 int element_to)
8026 {
8027   int x, y;
8028
8029   for (x = 0; x < lev_fieldx; x++)
8030     for (y = 0; y < lev_fieldy; y++)
8031       if (Tile[x][y] == element_from)
8032         Tile[x][y] = element_to;
8033 }
8034
8035 static boolean CopyCustomElement(int element_old, int element_new,
8036                                  int copy_mode)
8037 {
8038   int copy_mode_orig = copy_mode;
8039
8040   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8041   {
8042     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8043                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8044     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8045   }
8046   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8047   {
8048     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8049                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8050     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8051
8052     level.changed = TRUE;
8053   }
8054   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8055   {
8056     Request("Please choose custom element!", REQ_CONFIRM);
8057
8058     return FALSE;
8059   }
8060   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8061   {
8062     Request("Please choose group element!", REQ_CONFIRM);
8063
8064     return FALSE;
8065   }
8066   else
8067   {
8068     level.changed = TRUE;
8069   }
8070
8071   // when modifying custom/group element, ask for copying level template
8072   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8073   {
8074     if (!AskToCopyAndModifyLevelTemplate())
8075       return FALSE;
8076   }
8077
8078   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8079   {
8080     copy_custom_element_settings(element_new, element_old);
8081   }
8082   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8083   {
8084     copy_custom_element_settings(element_old, element_new);
8085   }
8086   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8087   {
8088     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8089     copy_custom_element_settings(element_new, element_old);
8090     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8091
8092     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8093     replace_custom_element_in_settings(element_new, element_old);
8094     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8095
8096     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8097     replace_custom_element_in_playfield(element_new, element_old);
8098     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8099   }
8100
8101   UpdateCustomElementGraphicGadgets();
8102   DrawPropertiesWindow();
8103
8104   return TRUE;
8105 }
8106
8107 static void CopyCustomElementPropertiesToEditor(int element)
8108 {
8109   int i;
8110   int current_change_page = element_info[element].current_change_page;
8111
8112   // dynamically (re)build selectbox for selecting change page
8113   for (i = 0; i < element_info[element].num_change_pages; i++)
8114   {
8115     sprintf(options_change_page_strings[i], "%d", i + 1);
8116
8117     options_change_page[i].value = i;
8118     options_change_page[i].text = options_change_page_strings[i];
8119   }
8120
8121   options_change_page[i].value = -1;
8122   options_change_page[i].text = NULL;
8123
8124   // needed here to initialize combined element properties
8125   InitElementPropertiesEngine(level.game_version);
8126
8127   element_info[element].change =
8128     &element_info[element].change_page[current_change_page];
8129
8130   custom_element = element_info[element];
8131   custom_element_change = *element_info[element].change;
8132
8133   // needed to initially set selectbox options for special action options
8134   setSelectboxSpecialActionOptions();
8135
8136   // needed to initially set selectbox value variables to reliable defaults
8137   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8138     setSelectboxValue(i, *selectbox_info[i].value);
8139
8140   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8141     custom_element_properties[i] = HAS_PROPERTY(element, i);
8142
8143   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8144     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8145
8146   // ---------- element settings: configure (custom elements) -----------------
8147
8148   // set accessible layer selectbox help value
8149   custom_element.access_type =
8150     (IS_WALKABLE(element) ? EP_WALKABLE :
8151      IS_PASSABLE(element) ? EP_PASSABLE :
8152      custom_element.access_type);
8153   custom_element.access_layer =
8154     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8155      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8156      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8157      custom_element.access_layer);
8158   custom_element.access_protected =
8159     (IS_PROTECTED(element) ? 1 : 0);
8160   custom_element_properties[EP_ACCESSIBLE] =
8161     (IS_ACCESSIBLE_OVER(element) ||
8162      IS_ACCESSIBLE_INSIDE(element) ||
8163      IS_ACCESSIBLE_UNDER(element));
8164
8165   // set walk-to-object action selectbox help value
8166   custom_element.walk_to_action =
8167     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8168      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8169      IS_DROPPABLE(element) ? EP_DROPPABLE :
8170      IS_THROWABLE(element) ? EP_THROWABLE :
8171      IS_PUSHABLE(element) ? EP_PUSHABLE :
8172      custom_element.walk_to_action);
8173   custom_element_properties[EP_WALK_TO_OBJECT] =
8174     (IS_DIGGABLE(element) ||
8175      IS_COLLECTIBLE_ONLY(element) ||
8176      IS_DROPPABLE(element) ||
8177      IS_THROWABLE(element) ||
8178      IS_PUSHABLE(element));
8179
8180   // set smash targets selectbox help value
8181   custom_element.smash_targets =
8182     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8183      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8184      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8185      custom_element.smash_targets);
8186   custom_element_properties[EP_CAN_SMASH] =
8187     (CAN_SMASH_EVERYTHING(element) ||
8188      CAN_SMASH_ENEMIES(element) ||
8189      CAN_SMASH_PLAYER(element));
8190
8191   // set deadliness selectbox help value
8192   custom_element.deadliness =
8193     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8194      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8195      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8196      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8197      custom_element.deadliness);
8198   custom_element_properties[EP_DEADLY] =
8199     (DONT_TOUCH(element) ||
8200      DONT_GET_HIT_BY(element) ||
8201      DONT_COLLIDE_WITH(element) ||
8202      DONT_RUN_INTO(element));
8203
8204   // ---------- element settings: advanced (custom elements) ------------------
8205
8206   // set "change by direct action" selectbox help value
8207   custom_element_change.direct_action =
8208     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8209      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8210      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8211      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8212      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8213      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8214      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8215      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8216      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8217      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8218      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8219      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8220      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8221      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8222      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8223      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8224      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8225      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8226      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8227      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8228      custom_element_change.direct_action);
8229
8230   // set "change by other element action" selectbox help value
8231   custom_element_change.other_action =
8232     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8233      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8234      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8235      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8236      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8237      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8238      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8239      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8240      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8241      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8242      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8243      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8244      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8245      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8246      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8247      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8248      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8249      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8250      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8251      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8252      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8253      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8254      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8255      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8256      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8257      custom_element_change.other_action);
8258 }
8259
8260 static void CopyGroupElementPropertiesToEditor(int element)
8261 {
8262   group_element_info = *element_info[element].group;
8263   custom_element = element_info[element];       // needed for description
8264 }
8265
8266 static void CopyClassicElementPropertiesToEditor(int element)
8267 {
8268   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8269     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8270       getMoveIntoAcidProperty(&level, element);
8271
8272   if (MAYBE_DONT_COLLIDE_WITH(element))
8273     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8274       getDontCollideWithProperty(&level, element);
8275 }
8276
8277 static void CopyElementPropertiesToEditor(int element)
8278 {
8279   if (IS_CUSTOM_ELEMENT(element))
8280     CopyCustomElementPropertiesToEditor(element);
8281   else if (IS_GROUP_ELEMENT(element))
8282     CopyGroupElementPropertiesToEditor(element);
8283   else
8284     CopyClassicElementPropertiesToEditor(element);
8285 }
8286
8287 static boolean AskToCopyAndModifyLevelTemplate(void)
8288 {
8289   if (Request("Copy and modify settings from level template?", REQ_ASK))
8290   {
8291     level.use_custom_template = FALSE;
8292
8293     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8294                  GDI_CHECKED, FALSE, GDI_END);
8295     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8296                  GDI_CHECKED, FALSE, GDI_END);
8297
8298     return TRUE;
8299   }
8300   else
8301   {
8302     LoadLevelTemplate(-1);      // this resets all element modifications ...
8303
8304     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8305
8306     return FALSE;
8307   }
8308 }
8309
8310 static void CopyCustomElementPropertiesToGame(int element)
8311 {
8312   int i;
8313   int access_type_and_layer;
8314
8315   // mark that this custom element has been modified
8316   custom_element.modified_settings = TRUE;
8317   level.changed = TRUE;
8318
8319   if (level.use_custom_template)
8320     AskToCopyAndModifyLevelTemplate();
8321
8322   element_info[element] = custom_element;
8323   *element_info[element].change = custom_element_change;
8324
8325   // ---------- element settings: configure (custom elements) -----------------
8326
8327   // set accessible property from checkbox and selectbox
8328   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8329   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8330   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8331   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8332   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8333   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8334   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8335                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8336                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8337   custom_element_properties[access_type_and_layer] =
8338     custom_element_properties[EP_ACCESSIBLE];
8339   custom_element_properties[EP_PROTECTED] =
8340     (custom_element.access_protected != 0 &&
8341      custom_element_properties[EP_ACCESSIBLE]);
8342
8343   // set walk-to-object property from checkbox and selectbox
8344   custom_element_properties[EP_DIGGABLE] = FALSE;
8345   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8346   custom_element_properties[EP_DROPPABLE] = FALSE;
8347   custom_element_properties[EP_THROWABLE] = FALSE;
8348   custom_element_properties[EP_PUSHABLE] = FALSE;
8349   custom_element_properties[custom_element.walk_to_action] =
8350     custom_element_properties[EP_WALK_TO_OBJECT];
8351
8352   // set smash property from checkbox and selectbox
8353   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8354   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8355   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8356   custom_element_properties[custom_element.smash_targets] =
8357     custom_element_properties[EP_CAN_SMASH];
8358
8359   // set deadliness property from checkbox and selectbox
8360   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8361   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8362   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8363   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8364   custom_element_properties[custom_element.deadliness] =
8365     custom_element_properties[EP_DEADLY];
8366
8367   // ---------- element settings: advanced (custom elements) ------------------
8368
8369   // set player change event from checkbox and selectbox
8370   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8371   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8372   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8373   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8374   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8375   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8376   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8377   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8378   custom_element_change_events[CE_SWITCHED] = FALSE;
8379   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8380   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8381   custom_element_change_events[CE_BLOCKED] = FALSE;
8382   custom_element_change_events[CE_IMPACT] = FALSE;
8383   custom_element_change_events[CE_SMASHED] = FALSE;
8384   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8385   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8386   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8387   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8388   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8389   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8390   custom_element_change_events[custom_element_change.direct_action] =
8391     custom_element_change_events[CE_BY_DIRECT_ACTION];
8392
8393   // set other element action change event from checkbox and selectbox
8394   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8395   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8396   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8397   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8398   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8399   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8400   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8401   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8402   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8403   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8404   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8405   custom_element_change_events[CE_HITTING_X] = FALSE;
8406   custom_element_change_events[CE_DIGGING_X] = FALSE;
8407   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8408   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8409   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8410   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8411   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8412   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8413   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8414   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8415   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8416   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8417   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8418   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8419   custom_element_change_events[custom_element_change.other_action] =
8420     custom_element_change_events[CE_BY_OTHER_ACTION];
8421
8422   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8423     SET_PROPERTY(element, i, custom_element_properties[i]);
8424
8425   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8426     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8427
8428   // copy change events also to special level editor variable
8429   custom_element = element_info[element];
8430   custom_element_change = *element_info[element].change;
8431
8432   // needed here to restore runtime value "element_info[element].gfx_element"
8433   InitElementPropertiesGfxElement();
8434 }
8435
8436 static void CopyGroupElementPropertiesToGame(int element)
8437 {
8438   // mark that this group element has been modified
8439   custom_element.modified_settings = TRUE;
8440   level.changed = TRUE;
8441
8442   if (level.use_custom_template)
8443     AskToCopyAndModifyLevelTemplate();
8444
8445   element_info[element] = custom_element;
8446   *element_info[element].group = group_element_info;
8447
8448   // needed here to restore runtime value "element_info[element].gfx_element"
8449   InitElementPropertiesGfxElement();
8450 }
8451
8452 static void CopyClassicElementPropertiesToGame(int element)
8453 {
8454   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8455     setMoveIntoAcidProperty(&level, element,
8456                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8457
8458   if (MAYBE_DONT_COLLIDE_WITH(element))
8459     setDontCollideWithProperty(&level, element,
8460                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8461 }
8462
8463 static void CopyElementPropertiesToGame(int element)
8464 {
8465   if (IS_CUSTOM_ELEMENT(element))
8466     CopyCustomElementPropertiesToGame(element);
8467   else if (IS_GROUP_ELEMENT(element))
8468     CopyGroupElementPropertiesToGame(element);
8469   else
8470     CopyClassicElementPropertiesToGame(element);
8471 }
8472
8473 #if DEBUG
8474 static void CheckElementDescriptions(void)
8475 {
8476   int i;
8477
8478   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8479     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8480       Warn("no element description file for element '%s'", EL_NAME(i));
8481 }
8482 #endif
8483
8484 static int getMaxEdFieldX(boolean has_scrollbar)
8485 {
8486   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8487   int sxsize = SXSIZE - scrollbar_width;
8488   int max_ed_fieldx = sxsize / ed_tilesize;
8489
8490   return max_ed_fieldx;
8491 }
8492
8493 static int getMaxEdFieldY(boolean has_scrollbar)
8494 {
8495   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8496                          INFOTEXT_YSIZE_FULL : 0);
8497   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8498   int sysize = SYSIZE - scrollbar_height - infotext_height;
8499   int max_ed_fieldy = sysize / ed_tilesize;
8500
8501   return max_ed_fieldy;
8502 }
8503
8504 static void InitZoomLevelSettings(int zoom_tilesize)
8505 {
8506   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8507
8508   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8509   {
8510     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8511     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8512
8513     // make sure that tile size is always a power of 2
8514     ed_tilesize = (1 << log_2(ed_tilesize));
8515
8516     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8517     {
8518       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8519       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8520     }
8521   }
8522
8523   last_game_engine_type = level.game_engine_type;
8524
8525   // limit zoom tilesize by upper and lower bound
8526   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8527
8528   // store zoom tilesize in auto setup file only if it was manually changed
8529   if (zoom_tilesize != -1)
8530     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8531
8532   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8533   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8534 }
8535
8536 static void InitDrawingElements(void)
8537 {
8538   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8539
8540   if (level.game_engine_type == game_engine_type_last)
8541     return;
8542
8543   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8544   {
8545     new_element1 = EL_SP_CHIP_SINGLE;
8546     new_element2 = EL_EMPTY;
8547     new_element3 = EL_SP_BASE;
8548   }
8549   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8550   {
8551     new_element1 = EL_MM_MIRROR_START;
8552     new_element2 = EL_EMPTY;
8553     new_element3 = EL_MM_WOODEN_WALL;
8554   }
8555   else
8556   {
8557     new_element1 = EL_WALL;
8558     new_element2 = EL_EMPTY;
8559     new_element3 = EL_SAND;
8560   }
8561
8562   game_engine_type_last = level.game_engine_type;
8563 }
8564
8565 static void InitLevelSetInfo(void)
8566 {
8567   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8568            "%s", leveldir_current->name);
8569   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8570            "%s", leveldir_current->author);
8571
8572   levelset_num_levels = leveldir_current->levels;
8573
8574   levelset_use_levelset_artwork = FALSE;
8575   levelset_copy_level_template = FALSE;
8576
8577   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8578 }
8579
8580 static void ChangeEditorToLevelSet(char *levelset_subdir)
8581 {
8582   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8583
8584   // the previous level set might have used custom artwork
8585   ReloadCustomArtwork(0);
8586
8587   LoadLevelSetup_SeriesInfo();
8588
8589   SaveLevelSetup_LastSeries();
8590   SaveLevelSetup_SeriesInfo();
8591
8592   TapeErase();
8593
8594   LoadLevel(level_nr);
8595   LoadScore(level_nr);
8596
8597   DrawLevelEd();
8598 }
8599
8600 static boolean useEditorDoorAnimation(void)
8601 {
8602   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8603   boolean door_1_viewport_unchanged =
8604     (vp_door_1->x      == DX     &&
8605      vp_door_1->y      == DY     &&
8606      vp_door_1->width  == DXSIZE &&
8607      vp_door_1->height == DYSIZE);
8608   boolean door_1_contains_toolbox =
8609     (EX >= DX &&
8610      EY >= DY &&
8611      EX + EXSIZE <= DX + DXSIZE &&
8612      EY + EYSIZE <= DY + DYSIZE);
8613
8614   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8615 }
8616
8617 static void DrawEditorDoorBackground(int graphic, int x, int y,
8618                                      int width, int height)
8619 {
8620   struct GraphicInfo *g = &graphic_info[graphic];
8621
8622   if (g->bitmap != NULL)
8623     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8624                MIN(width, g->width), MIN(height, g->height), x, y);
8625   else
8626     ClearRectangle(drawto, x, y, width, height);
8627 }
8628
8629 static void DrawEditorDoorContent(void)
8630 {
8631   // needed for gadgets drawn on background (like palette scrollbar)
8632   SetDoorBackgroundImage(IMG_UNDEFINED);
8633
8634   // copy default editor door content to main double buffer
8635   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8636
8637   // draw bigger door
8638   DrawSpecialEditorDoor();
8639
8640   // draw new control window
8641   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8642
8643   // draw all toolbox gadgets to editor doors
8644   MapControlButtons();
8645
8646   // draw all palette gadgets to editor doors
8647   ModifyEditorElementList();
8648   RedrawDrawingElements();
8649
8650   // copy actual editor door content to door double buffer for OpenDoor()
8651   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8652 }
8653
8654 void DrawLevelEd(void)
8655 {
8656   int fade_mask = REDRAW_FIELD;
8657
8658   FadeSoundsAndMusic();
8659
8660   if (CheckFadeAll())
8661     fade_mask = REDRAW_ALL;
8662
8663   FadeOut(fade_mask);
8664
8665   // needed if different viewport properties defined for editor
8666   ChangeViewportPropertiesIfNeeded();
8667
8668   ClearField();
8669
8670   InitZoomLevelSettings(-1);
8671   InitDrawingElements();
8672   InitLevelSetInfo();
8673
8674 #if DEBUG
8675   CheckElementDescriptions();
8676 #endif
8677
8678   if (level_editor_test_game)
8679   {
8680     CopyPlayfield(level.field, Tile);
8681     CopyPlayfield(TileBackup, level.field);
8682
8683     level_editor_test_game = FALSE;
8684   }
8685   else
8686   {
8687     edit_mode = ED_MODE_DRAWING;
8688     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8689     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8690
8691     ResetUndoBuffer();
8692
8693     level_xpos = -1;
8694     level_ypos = -1;
8695   }
8696
8697   // redraw_mask |= REDRAW_ALL;
8698
8699   FreeLevelEditorGadgets();
8700   CreateLevelEditorGadgets();
8701
8702   ReinitializeElementList();            // update dynamic level element list
8703   ReinitializeElementListButtons();     // custom element may look different
8704
8705   InitElementPropertiesGfxElement();
8706
8707   UnmapAllGadgets();
8708
8709   DrawEditModeWindow_PlayfieldOnly();
8710
8711   DrawMaskedBorder(fade_mask);
8712
8713   // use door animation if door 1 viewport is unchanged and contains toolbox
8714   if (useEditorDoorAnimation())
8715   {
8716     FadeIn(fade_mask);
8717
8718     DrawEditorDoorContent();
8719
8720     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8721   }
8722   else
8723   {
8724     DrawEditorDoorContent();
8725
8726     FadeIn(fade_mask);
8727   }
8728
8729   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8730 }
8731
8732 static void AdjustDrawingAreaGadgets(void)
8733 {
8734   int ed_xsize = lev_fieldx + 2;
8735   int ed_ysize = lev_fieldy + 2;
8736   int max_ed_fieldx = MAX_ED_FIELDX;
8737   int max_ed_fieldy = MAX_ED_FIELDY;
8738   boolean horizontal_scrollbar_needed;
8739   boolean vertical_scrollbar_needed;
8740   int x, y, width, height;
8741
8742   if (suppressBorderElement())
8743   {
8744     ed_xsize = max_ed_fieldx;
8745     ed_ysize = max_ed_fieldy;
8746   }
8747
8748   // check if we need any scrollbars
8749   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8750   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8751
8752   // check if we have a smaller editor field because of scrollbars
8753   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8754   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8755
8756   // check again if we now need more scrollbars because of less space
8757   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8758   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8759
8760   // check if editor field gets even smaller after adding new scrollbars
8761   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8762   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8763
8764   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8765   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8766
8767   x = SX + ed_fieldx * ed_tilesize;
8768   y = SY + ed_fieldy * ed_tilesize;
8769
8770   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8771   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8772
8773   // adjust drawing area gadget
8774   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8775                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8776                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8777                GDI_END);
8778
8779   // adjust horizontal scrollbar gadgets
8780   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8781                GDI_Y, y,
8782                GDI_END);
8783   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8784                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8785                GDI_Y, y,
8786                GDI_END);
8787   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8788                GDI_Y, y,
8789                GDI_WIDTH, width,
8790                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8791                GDI_END);
8792
8793   // adjust vertical scrollbar gadgets
8794   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8795                GDI_X, x,
8796                GDI_END);
8797   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8798                GDI_X, x,
8799                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8800                GDI_END);
8801   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8802                GDI_X, x,
8803                GDI_HEIGHT, height,
8804                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8805                GDI_END);
8806 }
8807
8808 static void AdjustLevelScrollPosition(void)
8809 {
8810   if (level_xpos < -1)
8811     level_xpos = -1;
8812   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8813     level_xpos = lev_fieldx - ed_fieldx + 1;
8814   if (lev_fieldx < ed_fieldx - 2)
8815     level_xpos = -1;
8816
8817   if (level_ypos < -1)
8818     level_ypos = -1;
8819   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8820     level_ypos = lev_fieldy - ed_fieldy + 1;
8821   if (lev_fieldy < ed_fieldy - 2)
8822     level_ypos = -1;
8823
8824   if (suppressBorderElement())
8825   {
8826     level_xpos = 0;
8827     level_ypos = 0;
8828   }
8829 }
8830
8831 static void AdjustEditorScrollbar(int id)
8832 {
8833   struct GadgetInfo *gi = level_editor_gadget[id];
8834   int items_max, items_visible, item_position;
8835
8836   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8837   {
8838     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8839     items_visible = ed_fieldx;
8840     item_position = level_xpos + 1;
8841   }
8842   else
8843   {
8844     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8845     items_visible = ed_fieldy;
8846     item_position = level_ypos + 1;
8847   }
8848
8849   if (item_position > items_max - items_visible)
8850     item_position = items_max - items_visible;
8851
8852   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8853                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8854 }
8855
8856 static void AdjustElementListScrollbar(void)
8857 {
8858   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8859   int items_max, items_visible, item_position;
8860
8861   // correct position of element list scrollbar
8862   if (element_shift < 0)
8863     element_shift = 0;
8864   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8865     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8866
8867   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8868   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8869   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8870
8871   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8872                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8873                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8874 }
8875
8876 static void ModifyEditorCounterValue(int counter_id, int new_value)
8877 {
8878   int *counter_value = counterbutton_info[counter_id].value;
8879   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8880   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8881
8882   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8883
8884   if (counter_value != NULL)
8885     *counter_value = gi->textinput.number_value;
8886 }
8887
8888 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8889 {
8890   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8891   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8892
8893   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8894
8895   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8896       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8897   {
8898     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8899     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8900
8901     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8902     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8903                  GDI_END);
8904   }
8905 }
8906
8907 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8908 {
8909   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8910   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8911   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8912
8913   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8914 }
8915
8916 static void ModifyEditorSelectboxOptions(int selectbox_id,
8917                                          struct ValueTextInfo *options)
8918 {
8919   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8920   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8921
8922   selectbox_info[selectbox_id].options = options;
8923
8924   // set index to zero -- list may be shorter now (correct later, if needed)
8925   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8926                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8927 }
8928
8929 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8930 {
8931   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8932   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8933
8934   drawingarea_info[drawingarea_id].area_xsize = xsize;
8935   drawingarea_info[drawingarea_id].area_ysize = ysize;
8936
8937   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8938 }
8939
8940 static void ModifyEditorElementList(void)
8941 {
8942   int i;
8943
8944   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8945     return;
8946
8947   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8948   {
8949     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8950     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8951     struct GadgetDesign *gd = &gi->deco.design;
8952     int element = editor_elements[element_shift + i];
8953     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8954
8955     UnmapGadget(gi);
8956
8957     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8958
8959     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8960
8961     MapGadget(gi);
8962   }
8963 }
8964
8965 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8966 {
8967   int graphic = el2edimg(element);
8968   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8969
8970   if (pos->x == -1 &&
8971       pos->y == -1)
8972     return;
8973
8974   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8975 }
8976
8977 static void ModifyDrawingElementButton(int element, int id)
8978 {
8979   struct GadgetInfo *gi = level_editor_gadget[id];
8980   Bitmap *deco_bitmap;
8981   int deco_x, deco_y;
8982   int tile_size = gi->deco.width;
8983
8984   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8985
8986   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8987 }
8988
8989 static void PickDrawingElement(int button, int element)
8990 {
8991   struct
8992   {
8993     int *new_element;
8994     struct XYTileSize *pos;
8995     int id;
8996   } de, drawing_elements[] =
8997   {
8998     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8999     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9000     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9001   };
9002
9003   if (button < 1 || button > 3)
9004     return;
9005
9006   if (IS_MM_WALL(element))
9007     element = map_mm_wall_element(element);
9008
9009   de = drawing_elements[button - 1];
9010
9011   *de.new_element = element;    // update global drawing element variable
9012
9013   DrawDrawingElementGraphic(element, de.pos);
9014   ModifyDrawingElementButton(element, de.id);
9015
9016   redraw_mask |= REDRAW_DOOR_1;
9017 }
9018
9019 static void RedrawDrawingElements(void)
9020 {
9021   PickDrawingElement(1, new_element1);
9022   PickDrawingElement(2, new_element2);
9023   PickDrawingElement(3, new_element3);
9024 }
9025
9026 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9027 {
9028   stick_element_properties_window = FALSE;
9029
9030   SetMainBackgroundImage(IMG_UNDEFINED);
9031   ClearField();
9032
9033   UnmapLevelEditorFieldGadgets();
9034
9035   AdjustDrawingAreaGadgets();
9036   AdjustLevelScrollPosition();
9037   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9038   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9039
9040   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9041
9042   MapMainDrawingArea();
9043
9044   if (remap_toolbox_gadgets)
9045   {
9046     UnmapLevelEditorToolboxCustomGadgets();
9047     MapLevelEditorToolboxDrawingGadgets();
9048   }
9049 }
9050
9051 static void DrawDrawingWindow(void)
9052 {
9053   DrawDrawingWindowExt(TRUE);
9054 }
9055
9056 static int getTabulatorBarWidth(void)
9057 {
9058   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9059   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9060
9061   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9062 }
9063
9064 static int getTabulatorBarHeight(void)
9065 {
9066   return ED_TAB_BAR_HEIGHT;
9067 }
9068
9069 static Pixel getTabulatorBarColor(void)
9070 {
9071   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9072   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9073   int gd_x = gd->x + gd_gi1->border.width / 2;
9074   int gd_y = gd->y + gd_gi1->height - 1;
9075
9076   return GetPixel(gd->bitmap, gd_x, gd_y);
9077 }
9078
9079 static void DrawLevelInfoTabulatorGadgets(void)
9080 {
9081   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9082   Pixel tab_color = getTabulatorBarColor();
9083   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9084   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9085   int i;
9086
9087   for (i = id_first; i <= id_last; i++)
9088   {
9089     int gadget_id = textbutton_info[i].gadget_id;
9090     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9091     boolean active = (i != edit_mode_levelinfo);
9092
9093     // draw background line below tabulator button
9094     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9095
9096     // draw solid line below inactive tabulator buttons
9097     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9098       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9099                     ED_GADGET_TINY_DISTANCE, tab_color);
9100
9101     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9102     MapTextbuttonGadget(i);
9103   }
9104
9105   // draw little border line below tabulator buttons
9106   if (tab_color != BLACK_PIXEL)                 // black => transparent
9107     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9108                   ED_GADGET_TINY_DISTANCE,
9109                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9110 }
9111
9112 static void DrawPropertiesTabulatorGadgets(void)
9113 {
9114   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9115   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9116   int gd_x = gd->x + gd_gi1->border.width / 2;
9117   int gd_y = gd->y + gd_gi1->height - 1;
9118   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9119   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9120   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9121   int i;
9122
9123   // draw two config tabulators for player elements
9124   if (IS_PLAYER_ELEMENT(properties_element))
9125     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9126
9127   // draw two config and one "change" tabulator for custom elements
9128   if (IS_CUSTOM_ELEMENT(properties_element))
9129     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9130
9131   for (i = id_first; i <= id_last; i++)
9132   {
9133     int gadget_id = textbutton_info[i].gadget_id;
9134     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9135     boolean active = (i != edit_mode_properties);
9136
9137     // use "config 1" and "config 2" instead of "config" for players and CEs
9138     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9139         (IS_PLAYER_ELEMENT(properties_element) ||
9140          IS_CUSTOM_ELEMENT(properties_element)))
9141       continue;
9142
9143     // draw background line below tabulator button
9144     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9145
9146     // draw solid line below inactive tabulator buttons
9147     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9148       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9149                     ED_GADGET_TINY_DISTANCE, tab_color);
9150
9151     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9152     MapTextbuttonGadget(i);
9153   }
9154
9155   // draw little border line below tabulator buttons
9156   if (tab_color != BLACK_PIXEL)                 // black => transparent
9157     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9158                   ED_GADGET_TINY_DISTANCE,
9159                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9160 }
9161
9162 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9163 {
9164   DrawText(SX + xpos, SY + ypos, text, font_nr);
9165 }
9166
9167 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9168                                            int xpos, int ypos)
9169 {
9170   int font_width = getFontWidth(font_nr);
9171   int font_height = getFontHeight(font_nr);
9172   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9173   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9174
9175   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9176                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9177                       TRUE, FALSE, FALSE);
9178 }
9179
9180 static void DrawLevelInfoLevel(void)
9181 {
9182   int i;
9183
9184   // draw counter gadgets
9185   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9186     MapCounterButtons(i);
9187
9188   // draw checkbutton gadgets
9189   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9190     MapCheckbuttonGadget(i);
9191
9192   // draw selectbox gadgets
9193   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9194     MapSelectboxGadget(i);
9195
9196   // draw text input gadgets
9197   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9198     MapTextInputGadget(i);
9199 }
9200
9201 static char *getLevelSubdirFromSaveMode(int save_mode)
9202 {
9203   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9204     return getNewUserLevelSubdir();
9205
9206   return leveldir_current->subdir;
9207 }
9208
9209 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9210 {
9211   char *directory_text = "Level set directory:";
9212   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9213   int font1_nr = FONT_TEXT_1;
9214   int font2_nr = FONT_TEXT_2;
9215   int font1_height = getFontHeight(font1_nr);
9216   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9217   int x = ED_LEVEL_SETTINGS_X(0);
9218   int y = ED_LEVEL_SETTINGS_Y(6);
9219
9220   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9221   PrintInfoText(directory_name, font2_nr, x, y);
9222 }
9223
9224 static void DrawLevelInfoLevelSet(void)
9225 {
9226   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9227   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9228   int i;
9229
9230   // draw counter gadgets
9231   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9232     MapCounterButtons(i);
9233
9234   // draw checkbutton gadgets
9235   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9236   {
9237     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9238         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9239         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9240       continue;
9241
9242     MapCheckbuttonGadget(i);
9243   }
9244
9245   // draw selectbox gadgets
9246   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9247     MapSelectboxGadget(i);
9248
9249   // draw text input gadgets
9250   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9251     MapTextInputGadget(i);
9252
9253   // draw textbutton gadgets
9254   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9255
9256   // draw info text
9257   DrawLevelInfoLevelSet_DirectoryInfo();
9258 }
9259
9260 static void DrawLevelInfoEditor(void)
9261 {
9262   int i;
9263
9264   // draw counter gadgets
9265   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9266     MapCounterButtons(i);
9267
9268   // draw checkbutton gadgets
9269   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9270     MapCheckbuttonGadget(i);
9271
9272   // draw radiobutton gadgets
9273   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9274     MapRadiobuttonGadget(i);
9275
9276   // draw drawing area
9277   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9278
9279   // draw textbutton gadgets
9280   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9281 }
9282
9283 static void DrawLevelInfoWindow(void)
9284 {
9285   char *text = "Global Settings";
9286   int font_nr = FONT_TITLE_1;
9287   struct MenuPosInfo *pos = &editor.settings.headline;
9288   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9289   int sy = SY + pos->y;
9290
9291   stick_element_properties_window = FALSE;
9292
9293   SetAutomaticNumberOfGemsNeeded();
9294
9295   UnmapLevelEditorFieldGadgets();
9296
9297   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9298   ClearField();
9299
9300   DrawText(sx, sy, text, font_nr);
9301
9302   DrawLevelInfoTabulatorGadgets();
9303
9304   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9305     DrawLevelInfoLevel();
9306   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9307     DrawLevelInfoLevelSet();
9308   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9309     DrawLevelInfoEditor();
9310 }
9311
9312 static void DrawCustomContentArea(void)
9313 {
9314   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9315   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9316   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9317   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9318   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9319   int xoffset = ED_GADGET_SPACE_DISTANCE;
9320
9321   // add distance for potential left text (without drawing area border)
9322   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9323
9324   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9325
9326   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9327 }
9328
9329 static void DrawCustomChangeContentArea(void)
9330 {
9331   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9332   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9333   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9334   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9335   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9336   int xoffset = ED_GADGET_SPACE_DISTANCE;
9337
9338   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9339
9340   MapDrawingArea(id);
9341 }
9342
9343 static void RemoveElementContentArea(int id, int font_height)
9344 {
9345   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9346
9347   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9348                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9349                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9350                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9351                  ED_GADGET_TEXT_DISTANCE + font_height);
9352 }
9353
9354 static void DrawYamYamContentAreas(void)
9355 {
9356   int font_nr = FONT_TEXT_1;
9357   int font_height = getFontHeight(font_nr);
9358   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9359   int yoffset = (tilesize - font_height) / 2;
9360   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9361   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9362   int i;
9363
9364   // display counter to choose number of element content areas
9365   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9366
9367   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9368   {
9369     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9370
9371     if (i < level.num_yamyam_contents)
9372     {
9373       MapDrawingArea(id);
9374     }
9375     else
9376     {
9377       UnmapDrawingArea(id);
9378
9379       // delete content areas in case of reducing number of them
9380       RemoveElementContentArea(id, font_height);
9381     }
9382   }
9383
9384   DrawText(x, y + 0 * tilesize, "content", font_nr);
9385   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9386   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9387 }
9388
9389 static void DrawMagicBallContentAreas(void)
9390 {
9391   int font_nr = FONT_TEXT_1;
9392   int font_height = getFontHeight(font_nr);
9393   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9394   int yoffset = (tilesize - font_height) / 2;
9395   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9396   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9397   int i;
9398
9399   // display counter to choose number of element content areas
9400   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9401
9402   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9403   {
9404     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9405
9406     if (i < level.num_ball_contents)
9407     {
9408       MapDrawingArea(id);
9409     }
9410     else
9411     {
9412       UnmapDrawingArea(id);
9413
9414       // delete content areas in case of reducing number of them
9415       RemoveElementContentArea(id, font_height);
9416     }
9417   }
9418
9419   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9420   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9421   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9422 }
9423
9424 static void DrawAndroidElementArea(int element)
9425 {
9426   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9427   int num_elements = level.num_android_clone_elements;
9428   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9429   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9430   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9431   int xsize = MAX_ANDROID_ELEMENTS;
9432   int ysize = 1;
9433
9434   // display counter to choose number of element areas
9435   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9436
9437   if (drawingarea_info[id].text_left != NULL)
9438     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9439
9440   UnmapDrawingArea(id);
9441
9442   ModifyEditorDrawingArea(id, num_elements, 1);
9443
9444   // delete content areas in case of reducing number of them
9445   DrawBackground(sx, sy,
9446                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9447                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9448
9449   MapDrawingArea(id);
9450 }
9451
9452 static void DrawGroupElementArea(int element)
9453 {
9454   int id = ED_DRAWING_ID_GROUP_CONTENT;
9455   int num_elements = group_element_info.num_elements;
9456   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9457   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9458   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9459   int xsize = MAX_ELEMENTS_IN_GROUP;
9460   int ysize = 1;
9461
9462   if (drawingarea_info[id].text_left != NULL)
9463     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9464
9465   UnmapDrawingArea(id);
9466
9467   ModifyEditorDrawingArea(id, num_elements, 1);
9468
9469   // delete content areas in case of reducing number of them
9470   DrawBackground(sx, sy,
9471                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9472                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9473
9474   MapDrawingArea(id);
9475 }
9476
9477 static void DrawPlayerInitialInventoryArea(int element)
9478 {
9479   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9480   int player_nr = GET_PLAYER_NR(element);
9481   int num_elements = level.initial_inventory_size[player_nr];
9482   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9483   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9484   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9485   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9486   int ysize = 1;
9487
9488   // determine horizontal position to the right of specified gadget
9489   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9490     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9491           ED_DRAWINGAREA_TEXT_DISTANCE);
9492
9493   // determine horizontal offset for leading text
9494   if (drawingarea_info[id].text_left != NULL)
9495     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9496
9497   UnmapDrawingArea(id);
9498
9499   ModifyEditorDrawingArea(id, num_elements, 1);
9500
9501   // delete content areas in case of reducing number of them
9502   DrawBackground(sx, sy,
9503                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9504                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9505
9506   MapDrawingArea(id);
9507 }
9508
9509 static void DrawEnvelopeTextArea(int envelope_nr)
9510 {
9511   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9512   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9513
9514   UnmapGadget(gi);
9515   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9516
9517   if (envelope_nr != -1)
9518     textarea_info[id].value = level.envelope[envelope_nr].text;
9519
9520   ModifyGadget(gi, GDI_AREA_SIZE,
9521                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9522                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9523                GDI_END);
9524
9525   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9526 }
9527
9528 static void DrawPropertiesInfo(void)
9529 {
9530   static struct
9531   {
9532     int value;
9533     char *text;
9534   }
9535   properties[] =
9536   {
9537     // configurable properties
9538
9539     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9540     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9541     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9542     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9543     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9544     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9545     { EP_PROTECTED,             "- player is protected by it"           },
9546
9547     { EP_DIGGABLE,              "- can be digged away"                  },
9548     { EP_COLLECTIBLE,           "- can be collected"                    },
9549     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9550     { EP_THROWABLE,             "- can be thrown after collecting"      },
9551     { EP_PUSHABLE,              "- can be pushed"                       },
9552
9553     { EP_CAN_FALL,              "- can fall"                            },
9554     { EP_CAN_MOVE,              "- can move"                            },
9555
9556     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9557 #if 0
9558     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9559 #endif
9560     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9561
9562     { EP_SLIPPERY,              "- slippery for falling elements"       },
9563     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9564
9565     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9566     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9567     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9568     { EP_DONT_TOUCH,            "- deadly when touching"                },
9569
9570     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9571
9572     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9573     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9574     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9575
9576     { EP_CAN_CHANGE,            "- can change to other element"         },
9577
9578     // pre-defined properties
9579     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9580     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9581     { EP_SWITCHABLE,            "- can be switched"                     },
9582 #if 0
9583     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9584 #endif
9585
9586     { -1,                       NULL                                    }
9587   };
9588   char *filename = getElementDescriptionFilename(properties_element);
9589   char *percentage_text = "In this level: ";
9590   char *properties_text = "Standard properties: ";
9591   char *description_text = "Description:";
9592   char *no_description_text = "No description available.";
9593   char *none_text = "None";
9594   float percentage;
9595   int num_elements_in_level;
9596   int num_standard_properties = 0;
9597   int font1_nr = FONT_TEXT_1;
9598   int font2_nr = FONT_TEXT_2;
9599   int font1_width = getFontWidth(font1_nr);
9600   int font1_height = getFontHeight(font1_nr);
9601   int font2_height = getFontHeight(font2_nr);
9602   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9603   int font2_yoffset = (font1_height - font2_height) / 2;
9604   int percentage_text_len = strlen(percentage_text) * font1_width;
9605   int properties_text_len = strlen(properties_text) * font1_width;
9606   int xpos = ED_ELEMENT_SETTINGS_X(0);
9607   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9608   int i, x, y;
9609
9610   if (setup.editor.show_element_token)
9611   {
9612     int font3_nr = FONT_TEXT_3;
9613     int font3_height = getFontHeight(font3_nr);
9614
9615     DrawTextF(xpos, ypos, font3_nr,
9616               "[%s]", element_info[properties_element].token_name);
9617
9618     ypos += 2 * font3_height;
9619   }
9620
9621   // ----- print number of elements / percentage of this element in level
9622
9623   num_elements_in_level = 0;
9624   for (y = 0; y < lev_fieldy; y++)
9625     for (x = 0; x < lev_fieldx; x++)
9626       if (Tile[x][y] == properties_element)
9627         num_elements_in_level++;
9628   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9629
9630   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9631
9632   if (num_elements_in_level > 0)
9633     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9634               "%d (%.2f %%)", num_elements_in_level, percentage);
9635   else
9636     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9637               none_text);
9638
9639   ypos += 2 * MAX(font1_height, font2_height);
9640
9641   // ----- print standard properties of this element
9642
9643   DrawTextS(xpos, ypos, font1_nr, properties_text);
9644
9645   ypos += line1_height;
9646
9647   for (i = 0; properties[i].value != -1; i++)
9648   {
9649     if (!HAS_PROPERTY(properties_element, properties[i].value))
9650       continue;
9651
9652     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9653
9654     ypos += font2_height;
9655
9656     num_standard_properties++;
9657   }
9658
9659   if (num_standard_properties == 0)
9660   {
9661     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9662               font2_nr, none_text);
9663
9664     ypos -= (line1_height - font1_height);
9665   }
9666
9667   ypos += MAX(font1_height, font2_height);
9668
9669   // ----- print special description of this element
9670
9671   PrintInfoText(description_text, font1_nr, xpos, ypos);
9672
9673   ypos += line1_height;
9674
9675   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9676     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9677 }
9678
9679 #define TEXT_COLLECTING         "Score for collecting"
9680 #define TEXT_SMASHING           "Score for smashing"
9681 #define TEXT_SLURPING           "Score for slurping robot"
9682 #define TEXT_CRACKING           "Score for cracking"
9683 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9684 #define TEXT_DURATION           "Duration when activated"
9685 #define TEXT_DELAY_ON           "Delay before activating"
9686 #define TEXT_DELAY_OFF          "Delay before deactivating"
9687 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9688 #define TEXT_DELAY_MOVING       "Delay before moving"
9689 #define TEXT_BALL_DELAY         "Element generation delay"
9690 #define TEXT_MOVE_SPEED         "Speed of android moving"
9691 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9692 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9693 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9694 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9695 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9696 #define TEXT_TIME_BONUS         "Extra time to solve level"
9697
9698 static struct
9699 {
9700   int element;
9701   int *value;
9702   char *text;
9703 } elements_with_counter[] =
9704 {
9705   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9706   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9707   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9708   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9709   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9710   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9711   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9712   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9713   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9714   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9715   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9716   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9717   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9718   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9719   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9720   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9721   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9722   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9723   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9724   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9725   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9726   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9727   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9728   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9729   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9730   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9731   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9732   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9733   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9734   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9735   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9736   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9737   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9738   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9739   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9740   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9741   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9742   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9743   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9744   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9745   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9746   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9747   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9748   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9749   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9750   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9751   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9752   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9753   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9754   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9755   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9756   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9757   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9758   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9759   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9760   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9761   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9762   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9763   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9764   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9765   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9766   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9767   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9768   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9769   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9770   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9771   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9772   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9773   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9774   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9775   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9776   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9777   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9778   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9779   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9780   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9781   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9782   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9783   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9784   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9785   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9786   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9787   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9788
9789   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9790   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9791   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9792   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9793   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9794   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9795   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9796   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9797   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9798   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9799   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9800   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9801   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9802   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9803   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9804   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9805
9806   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9807   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9808   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9809   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9810   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9811   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9812   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9813   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9814   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9815   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9816   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9817   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9818   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9819   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9820   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9821
9822   { -1,                 NULL,                           NULL            }
9823 };
9824
9825 static boolean checkPropertiesConfig(int element)
9826 {
9827   int i;
9828
9829   if (IS_GEM(element) ||
9830       IS_CUSTOM_ELEMENT(element) ||
9831       IS_GROUP_ELEMENT(element) ||
9832       IS_BALLOON_ELEMENT(element) ||
9833       IS_ENVELOPE(element) ||
9834       IS_MM_MCDUFFIN(element) ||
9835       IS_DF_LASER(element) ||
9836       IS_PLAYER_ELEMENT(element) ||
9837       HAS_EDITOR_CONTENT(element) ||
9838       CAN_GROW(element) ||
9839       COULD_MOVE_INTO_ACID(element) ||
9840       MAYBE_DONT_COLLIDE_WITH(element) ||
9841       element == EL_SOKOBAN_OBJECT ||
9842       element == EL_SOKOBAN_FIELD_EMPTY ||
9843       element == EL_SOKOBAN_FIELD_FULL)
9844     return TRUE;
9845   else
9846     for (i = 0; elements_with_counter[i].element != -1; i++)
9847       if (elements_with_counter[i].element == element)
9848         return TRUE;
9849
9850   return FALSE;
9851 }
9852
9853 static void SetAutomaticNumberOfGemsNeeded(void)
9854 {
9855   int x, y;
9856
9857   if (!level.auto_count_gems)
9858     return;
9859
9860   level.gems_needed = 0;
9861
9862   for (x = 0; x < lev_fieldx; x++)
9863   {
9864     for (y = 0; y < lev_fieldy; y++)
9865     {
9866       int element = Tile[x][y];
9867
9868       switch (element)
9869       {
9870         case EL_EMERALD:
9871         case EL_EMERALD_YELLOW:
9872         case EL_EMERALD_RED:
9873         case EL_EMERALD_PURPLE:
9874         case EL_BD_DIAMOND:
9875         case EL_WALL_EMERALD:
9876         case EL_WALL_EMERALD_YELLOW:
9877         case EL_WALL_EMERALD_RED:
9878         case EL_WALL_EMERALD_PURPLE:
9879         case EL_WALL_BD_DIAMOND:
9880         case EL_NUT:
9881         case EL_SP_INFOTRON:
9882         case EL_MM_KETTLE:
9883         case EL_DF_CELL:
9884           level.gems_needed++;
9885           break;
9886
9887         case EL_DIAMOND:
9888         case EL_WALL_DIAMOND:
9889           level.gems_needed += 3;
9890           break;
9891
9892         case EL_PEARL:
9893         case EL_WALL_PEARL:
9894           level.gems_needed += 5;
9895           break;
9896
9897         case EL_CRYSTAL:
9898         case EL_WALL_CRYSTAL:
9899           level.gems_needed += 8;
9900           break;
9901
9902         default:
9903           break;
9904       }
9905     }
9906   }
9907
9908   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9909 }
9910
9911 static void DrawPropertiesConfig(void)
9912 {
9913   boolean draw_footer_line = FALSE;
9914   int max_num_element_counters = 4;
9915   int num_element_counters = 0;
9916   int i;
9917
9918   if (!checkPropertiesConfig(properties_element))
9919   {
9920     int xpos = ED_ELEMENT_SETTINGS_X(0);
9921     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9922
9923     PrintInfoText("No configuration options available.",
9924                   FONT_TEXT_1, xpos, ypos);
9925
9926     return;
9927   }
9928
9929   // check if there are elements where a value can be chosen for
9930   for (i = 0; elements_with_counter[i].element != -1; i++)
9931   {
9932     if (elements_with_counter[i].element == properties_element)
9933     {
9934       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9935
9936       counterbutton_info[counter_id].y =
9937         ED_ELEMENT_SETTINGS_YPOS(
9938                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9939                 (CAN_GROW(properties_element)                ? 1 : 0) +
9940                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9941                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9942                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9943                 num_element_counters);
9944
9945       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9946       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9947
9948       if (properties_element == EL_GAME_OF_LIFE ||
9949           properties_element == EL_BIOMAZE)
9950       {
9951         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9952         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9953       }
9954       else
9955       {
9956         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9957         counterbutton_info[counter_id].min_value = MIN_SCORE;
9958         counterbutton_info[counter_id].max_value = MAX_SCORE;
9959       }
9960
9961       MapCounterButtons(counter_id);
9962
9963       num_element_counters++;
9964       if (num_element_counters >= max_num_element_counters)
9965         break;
9966     }
9967   }
9968
9969   if (HAS_EDITOR_CONTENT(properties_element))
9970   {
9971     // draw stickybutton gadget
9972     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9973
9974     if (IS_AMOEBOID(properties_element))
9975       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9976     else if (properties_element == EL_YAMYAM ||
9977              properties_element == EL_YAMYAM_LEFT ||
9978              properties_element == EL_YAMYAM_RIGHT ||
9979              properties_element == EL_YAMYAM_UP ||
9980              properties_element == EL_YAMYAM_DOWN)
9981       DrawYamYamContentAreas();
9982     else if (properties_element == EL_EMC_MAGIC_BALL)
9983     {
9984       DrawMagicBallContentAreas();
9985
9986       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9987       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
9988     }
9989     else if (properties_element == EL_EMC_ANDROID)
9990       DrawAndroidElementArea(properties_element);
9991   }
9992
9993   if (IS_PLAYER_ELEMENT(properties_element))
9994   {
9995     int player_nr = GET_PLAYER_NR(properties_element);
9996
9997     // these properties can be set for every player individually
9998
9999     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10000     {
10001       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10002         &level.start_element[player_nr];
10003       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10004         &level.artwork_element[player_nr];
10005       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10006         &level.explosion_element[player_nr];
10007
10008       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10009         &level.use_start_element[player_nr];
10010       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10011         &level.use_artwork_element[player_nr];
10012       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10013         &level.use_explosion_element[player_nr];
10014       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10015         &level.initial_player_gravity[player_nr];
10016
10017       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10018         &level.initial_player_stepsize[player_nr];
10019
10020       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10021       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10022                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10023                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10024       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10025       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10026       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10027       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10028       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10029       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10030       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10031       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10032       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10033       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10034       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10035
10036       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10037       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10038       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10039
10040       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10041     }
10042     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10043     {
10044       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10045         &level.initial_inventory_content[player_nr][0];
10046
10047       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10048         &level.initial_inventory_size[player_nr];
10049
10050       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10051         &level.use_initial_inventory[player_nr];
10052
10053       // draw checkbutton gadgets
10054       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10055       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10056       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10057
10058       // draw counter gadgets
10059       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10060
10061       // draw drawing area gadgets
10062       DrawPlayerInitialInventoryArea(properties_element);
10063     }
10064   }
10065
10066   if (IS_GEM(properties_element))
10067     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10068
10069   if (properties_element == EL_EM_DYNAMITE)
10070     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10071
10072   if (COULD_MOVE_INTO_ACID(properties_element) &&
10073       !IS_PLAYER_ELEMENT(properties_element) &&
10074       (!IS_CUSTOM_ELEMENT(properties_element) ||
10075        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10076   {
10077     // set position for checkbutton for "can move into acid"
10078     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10079       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10080     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10081       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10082                                IS_BALLOON_ELEMENT(properties_element) ||
10083                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10084
10085     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10086   }
10087
10088   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10089     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10090
10091   if (properties_element == EL_SPRING ||
10092       properties_element == EL_SPRING_LEFT ||
10093       properties_element == EL_SPRING_RIGHT)
10094     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10095
10096   if (properties_element == EL_TIME_ORB_FULL)
10097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10098
10099   if (properties_element == EL_GAME_OF_LIFE ||
10100       properties_element == EL_BIOMAZE)
10101     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10102
10103   if (CAN_GROW(properties_element))
10104   {
10105     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10106       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10107
10108     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10109   }
10110
10111   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10112     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10113
10114   if (properties_element == EL_SOKOBAN_OBJECT)
10115     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10116
10117   if (properties_element == EL_SOKOBAN_OBJECT ||
10118       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10119       properties_element == EL_SOKOBAN_FIELD_FULL)
10120   {
10121     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10122       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10123                                0 : 1);
10124
10125     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10126   }
10127
10128   if (IS_BALLOON_ELEMENT(properties_element))
10129     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10130
10131   if (IS_ENVELOPE(properties_element))
10132   {
10133     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10134     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10135     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10136     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10137     int envelope_nr = properties_element - EL_ENVELOPE_1;
10138
10139     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10140     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10141
10142     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10143     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10144
10145     // display counter to choose size of envelope text area
10146     MapCounterButtons(counter1_id);
10147     MapCounterButtons(counter2_id);
10148
10149     // display checkbuttons to choose auto-wrap and alignment properties
10150     MapCheckbuttonGadget(button1_id);
10151     MapCheckbuttonGadget(button2_id);
10152
10153     DrawEnvelopeTextArea(envelope_nr);
10154   }
10155
10156   if (IS_MM_MCDUFFIN(properties_element))
10157   {
10158     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10159     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10160     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10161   }
10162
10163   if (IS_DF_LASER(properties_element))
10164   {
10165     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10166     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10167     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10168   }
10169
10170   if (IS_CUSTOM_ELEMENT(properties_element))
10171   {
10172     // draw stickybutton gadget
10173     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10174
10175     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10176     {
10177       // draw checkbutton gadgets
10178       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10179            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10180         MapCheckbuttonGadget(i);
10181
10182       // draw counter gadgets
10183       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10184            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10185         MapCounterButtons(i);
10186
10187       // draw selectbox gadgets
10188       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10189            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10190         MapSelectboxGadget(i);
10191
10192       // draw textbutton gadgets
10193       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10194
10195       // draw text input gadgets
10196       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10197
10198       // draw drawing area gadgets
10199       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10200
10201       draw_footer_line = TRUE;
10202     }
10203     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10204     {
10205       // draw checkbutton gadgets
10206       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10207            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10208         MapCheckbuttonGadget(i);
10209
10210       // draw counter gadgets
10211       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10212            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10213         MapCounterButtons(i);
10214
10215       // draw selectbox gadgets
10216       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10217            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10218         MapSelectboxGadget(i);
10219
10220       // draw drawing area gadgets
10221       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10222       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10223       DrawCustomContentArea();
10224     }
10225   }
10226   else if (IS_GROUP_ELEMENT(properties_element))
10227   {
10228     // draw stickybutton gadget
10229     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10230
10231     // draw checkbutton gadgets
10232     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10233     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10234
10235     // draw counter gadgets
10236     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10237
10238     // draw selectbox gadgets
10239     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10240
10241     // draw textbutton gadgets
10242     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10243
10244     // draw drawing area gadgets
10245     DrawGroupElementArea(properties_element);
10246
10247     // draw text input gadgets
10248     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10249
10250     // draw drawing area gadgets
10251     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10252
10253     draw_footer_line = TRUE;
10254   }
10255
10256   // draw little footer border line above CE/GE use/save template gadgets
10257   if (draw_footer_line)
10258   {
10259     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10260     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10261     int gd_x = gd->x + gd_gi1->border.width / 2;
10262     int gd_y = gd->y + gd_gi1->height - 1;
10263     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10264
10265     if (tab_color != BLACK_PIXEL)               // black => transparent
10266       FillRectangle(drawto,
10267                     SX + ED_ELEMENT_SETTINGS_X(0),
10268                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10269                     ED_TAB_BAR_HEIGHT,
10270                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10271   }
10272 }
10273
10274 static void DrawPropertiesChangeDrawingAreas(void)
10275 {
10276   if (IS_CUSTOM_ELEMENT(properties_element))
10277   {
10278     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10279     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10280     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10281
10282     DrawCustomChangeContentArea();
10283   }
10284
10285   redraw_mask |= REDRAW_FIELD;
10286 }
10287
10288 static void DrawPropertiesChange(void)
10289 {
10290   int i;
10291
10292   // needed to initially set selectbox options for special action options
10293   setSelectboxSpecialActionOptions();
10294
10295   // draw stickybutton gadget
10296   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10297
10298   // draw checkbutton gadgets
10299   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10300        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10301     MapCheckbuttonGadget(i);
10302
10303   // draw counter gadgets
10304   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10305        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10306     MapCounterButtons(i);
10307
10308   // draw selectbox gadgets
10309   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10310        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10311     MapSelectboxGadget(i);
10312
10313   // draw textbutton gadgets
10314   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10315        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10316     MapTextbuttonGadget(i);
10317
10318   // draw graphicbutton gadgets
10319   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10320        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10321     MapGraphicbuttonGadget(i);
10322
10323   // draw drawing area gadgets
10324   DrawPropertiesChangeDrawingAreas();
10325 }
10326
10327 static void DrawEditorElementAnimation(int x, int y)
10328 {
10329   int graphic = el2img(properties_element);
10330   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10331                custom_element.ce_value_fixed_initial :
10332                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10333                custom_element.collect_score_initial : FrameCounter);
10334
10335   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10336 }
10337
10338 static void DrawEditorElementName(int x, int y, int font_nr)
10339 {
10340   char *element_name = getElementInfoText(properties_element);
10341   int font_width = getFontWidth(font_nr);
10342   int font_height = getFontHeight(font_nr);
10343   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10344   int max_chars_per_line = max_text_width / font_width;
10345   char buffer[max_chars_per_line + 1];
10346
10347   if (strlen(element_name) <= max_chars_per_line)
10348     DrawTextS(x, y, font_nr, element_name);
10349   else
10350   {
10351     int next_pos = max_chars_per_line;
10352
10353     strncpy(buffer, element_name, max_chars_per_line);
10354     buffer[max_chars_per_line] = '\0';
10355
10356     if (element_name[max_chars_per_line] == ' ')
10357       next_pos++;
10358     else
10359     {
10360       int i;
10361
10362       for (i = max_chars_per_line - 1; i >= 0; i--)
10363         if (buffer[i] == ' ')
10364           break;
10365
10366       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10367       {
10368         buffer[i] = '\0';
10369         next_pos = i + 1;
10370       }
10371     }
10372
10373     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10374
10375     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10376     buffer[max_chars_per_line] = '\0';
10377
10378     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10379   }
10380 }
10381
10382 static void DrawPropertiesWindow(void)
10383 {
10384   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10385   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10386   int border_size = gd->border_size;
10387   int font_nr = FONT_TEXT_1;
10388   int font_height = getFontHeight(font_nr);
10389   int xoffset = TILEX + element_border + 3 * border_size;
10390   int yoffset = (TILEY - font_height) / 2;
10391   int x1 = editor.settings.element_graphic.x + element_border;
10392   int y1 = editor.settings.element_graphic.y + element_border;
10393   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10394             editor.settings.element_name.x);
10395   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10396             editor.settings.element_name.y);
10397   char *text = "Element Settings";
10398   int font2_nr = FONT_TITLE_1;
10399   struct MenuPosInfo *pos = &editor.settings.headline;
10400   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10401   int sy = SY + pos->y;
10402
10403   stick_element_properties_window = FALSE;
10404
10405   // make sure that previous properties edit mode exists for this element
10406   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10407       !IS_CUSTOM_ELEMENT(properties_element))
10408     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10409
10410   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10411       !IS_PLAYER_ELEMENT(properties_element) &&
10412       !IS_CUSTOM_ELEMENT(properties_element))
10413     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10414
10415   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10416       (IS_PLAYER_ELEMENT(properties_element) ||
10417        IS_CUSTOM_ELEMENT(properties_element)))
10418     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10419
10420   CopyElementPropertiesToEditor(properties_element);
10421
10422   UnmapLevelEditorFieldGadgets();
10423   UnmapLevelEditorToolboxDrawingGadgets();
10424   UnmapLevelEditorToolboxCustomGadgets();
10425
10426   if (IS_CUSTOM_ELEMENT(properties_element) ||
10427       IS_GROUP_ELEMENT(properties_element))
10428     MapLevelEditorToolboxCustomGadgets();
10429
10430   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10431   ClearField();
10432
10433   DrawText(sx, sy, text, font2_nr);
10434
10435   FrameCounter = 0;     // restart animation frame counter
10436
10437   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10438   DrawEditorElementAnimation(SX + x1, SY + y1);
10439   DrawEditorElementName(x2, y2, font_nr);
10440
10441   DrawPropertiesTabulatorGadgets();
10442
10443   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10444     DrawPropertiesInfo();
10445   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10446     DrawPropertiesChange();
10447   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10448     DrawPropertiesConfig();
10449 }
10450
10451 static void DrawPaletteWindow(void)
10452 {
10453   int i;
10454
10455   UnmapLevelEditorFieldGadgets();
10456
10457   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10458   ClearField();
10459
10460   // map buttons to select elements
10461   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10462     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10463   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10464   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10465   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10466 }
10467
10468 static void UpdateCustomElementGraphicGadgets(void)
10469 {
10470   int i;
10471
10472   InitElementPropertiesGfxElement();
10473
10474   ModifyEditorElementList();
10475   RedrawDrawingElements();
10476
10477   // force redraw of all mapped drawing area gadgets
10478   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10479   {
10480     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10481
10482     if (gi->mapped)
10483       MapDrawingArea(i);
10484   }
10485 }
10486
10487 static int getOpenDirectionFromTube(int element)
10488 {
10489   switch (element)
10490   {
10491     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10492     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10493     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10494     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10495     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10496     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10497     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10498     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10499     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10500     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10501     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10502   }
10503
10504   return MV_NONE;
10505 }
10506
10507 static int getTubeFromOpenDirection(int direction)
10508 {
10509   switch (direction)
10510   {
10511     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10512     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10513     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10514     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10515     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10516     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10517     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10518     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10519     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10520     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10521     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10522
10523     // if only one direction, fall back to simple tube with that direction
10524     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10525     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10526     case (MV_UP):                       return EL_TUBE_VERTICAL;
10527     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10528   }
10529
10530   return EL_EMPTY;
10531 }
10532
10533 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10534 {
10535   int element_new = getTubeFromOpenDirection(direction);
10536
10537   return (element_new != EL_EMPTY ? element_new : element_old);
10538 }
10539
10540 static int getOpenDirectionFromBelt(int element)
10541 {
10542   int belt_dir = getBeltDirFromBeltElement(element);
10543
10544   return (belt_dir == MV_LEFT ? MV_RIGHT :
10545           belt_dir == MV_RIGHT ? MV_LEFT :
10546           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10547 }
10548
10549 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10550 {
10551   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10552                   direction == MV_RIGHT ? MV_LEFT :
10553                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10554
10555   if (direction == MV_NONE)
10556     return EL_EMPTY;
10557
10558   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10559 }
10560
10561 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10562                                                  int element_old)
10563 {
10564   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10565
10566   return (element_new != EL_EMPTY ? element_new : element_old);
10567 }
10568
10569 static int getOpenDirectionFromPool(int element)
10570 {
10571   switch (element)
10572   {
10573     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10574     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10575     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10576     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10577     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10578     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10579   }
10580
10581   return MV_NONE;
10582 }
10583
10584 static int getPoolFromOpenDirection(int direction)
10585 {
10586   switch (direction)
10587   {
10588     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10589     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10590     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10591     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10592     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10593     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10594   }
10595
10596   return EL_EMPTY;
10597 }
10598
10599 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10600 {
10601   int element = getPoolFromOpenDirection(direction);
10602   int help_direction = getOpenDirectionFromPool(help_element);
10603
10604   if (element == EL_EMPTY)
10605   {
10606     int help_direction_vertical = help_direction & MV_VERTICAL;
10607
10608     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10609   }
10610
10611   if (element == EL_EMPTY)
10612   {
10613     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10614
10615     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10616   }
10617
10618   return element;
10619 }
10620
10621 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10622 {
10623   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10624
10625   return (element_new != EL_EMPTY ? element_new : element_old);
10626 }
10627
10628 static int getOpenDirectionFromPillar(int element)
10629 {
10630   switch (element)
10631   {
10632     case EL_EMC_WALL_1:                 return (MV_DOWN);
10633     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10634     case EL_EMC_WALL_3:                 return (MV_UP);
10635   }
10636
10637   return MV_NONE;
10638 }
10639
10640 static int getPillarFromOpenDirection(int direction)
10641 {
10642   switch (direction)
10643   {
10644     case (MV_DOWN):                     return EL_EMC_WALL_1;
10645     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10646     case (MV_UP):                       return EL_EMC_WALL_3;
10647   }
10648
10649   return EL_EMPTY;
10650 }
10651
10652 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10653 {
10654   int element_new = getPillarFromOpenDirection(direction);
10655
10656   return (element_new != EL_EMPTY ? element_new : element_old);
10657 }
10658
10659 static int getOpenDirectionFromSteel2(int element)
10660 {
10661   switch (element)
10662   {
10663     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10664     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10665     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10666     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10667     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10668     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10669     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10670     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10671   }
10672
10673   return MV_NONE;
10674 }
10675
10676 static int getSteel2FromOpenDirection(int direction)
10677 {
10678   switch (direction)
10679   {
10680     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10681     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10682     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10683     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10684     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10685     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10686     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10687     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10688   }
10689
10690   return EL_EMPTY;
10691 }
10692
10693 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10694 {
10695   int element_new = getSteel2FromOpenDirection(direction);
10696
10697   return (element_new != EL_EMPTY ? element_new : element_old);
10698 }
10699
10700 static int getOpenDirectionFromChip(int element)
10701 {
10702   switch (element)
10703   {
10704     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10705     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10706     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10707     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10708     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10709   }
10710
10711   return MV_NONE;
10712 }
10713
10714 static int getChipFromOpenDirection(int direction)
10715 {
10716   switch (direction)
10717   {
10718     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10719     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10720     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10721     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10722     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10723   }
10724
10725   return EL_EMPTY;
10726 }
10727
10728 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10729 {
10730   int element_new = getChipFromOpenDirection(direction);
10731
10732   return (element_new != EL_EMPTY ? element_new : element_old);
10733 }
10734
10735 static int getClosedTube(int x, int y)
10736 {
10737   static int xy[4][2] =
10738   {
10739     { -1, 0 },
10740     { +1, 0 },
10741     { 0, -1 },
10742     { 0, +1 }
10743   };
10744   int element_old = IntelliDrawBuffer[x][y];
10745   int direction_old = getOpenDirectionFromTube(element_old);
10746   int direction_new = MV_NONE;
10747   int i;
10748
10749   for (i = 0; i < NUM_DIRECTIONS; i++)
10750   {
10751     int xx = x + xy[i][0];
10752     int yy = y + xy[i][1];
10753     int dir = MV_DIR_FROM_BIT(i);
10754     int dir_opposite = MV_DIR_OPPOSITE(dir);
10755
10756     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10757         (direction_old & dir) &&
10758         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10759       direction_new |= dir;
10760   }
10761
10762   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10763 }
10764
10765 static int getClosedBelt(int x, int y)
10766 {
10767   static int xy[4][2] =
10768   {
10769     { -1, 0 },
10770     { +1, 0 },
10771     { 0, -1 },
10772     { 0, +1 }
10773   };
10774   int element_old = IntelliDrawBuffer[x][y];
10775   int nr = getBeltNrFromBeltElement(element_old);
10776   int direction_old = getOpenDirectionFromBelt(element_old);
10777   int direction_new = MV_NONE;
10778   int i;
10779
10780   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10781   {
10782     int xx = x + xy[i][0];
10783     int yy = y + xy[i][1];
10784     int dir = MV_DIR_FROM_BIT(i);
10785     int dir_opposite = MV_DIR_OPPOSITE(dir);
10786
10787     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10788         (direction_old & dir) &&
10789         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10790       direction_new |= dir;
10791   }
10792
10793   return getBeltFromNrAndOpenDirection(nr, direction_new);
10794 }
10795
10796 static int getClosedPool(int x, int y)
10797 {
10798   static int xy[4][2] =
10799   {
10800     { -1, 0 },
10801     { +1, 0 },
10802     { 0, -1 },
10803     { 0, +1 }
10804   };
10805   int element_old = IntelliDrawBuffer[x][y];
10806   int direction_old = getOpenDirectionFromPool(element_old);
10807   int direction_new = MV_NONE;
10808   int i;
10809
10810   for (i = 0; i < NUM_DIRECTIONS; i++)
10811   {
10812     int xx = x + xy[i][0];
10813     int yy = y + xy[i][1];
10814     int dir = MV_DIR_FROM_BIT(i);
10815     int dir_opposite = MV_DIR_OPPOSITE(dir);
10816
10817     if (IN_LEV_FIELD(xx, yy) &&
10818         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10819         (direction_old & dir) &&
10820         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10821       direction_new |= dir;
10822   }
10823
10824   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10825 }
10826
10827 static int getClosedPillar(int x, int y)
10828 {
10829   static int xy[4][2] =
10830   {
10831     { -1, 0 },
10832     { +1, 0 },
10833     { 0, -1 },
10834     { 0, +1 }
10835   };
10836   int element_old = IntelliDrawBuffer[x][y];
10837   int direction_old = getOpenDirectionFromPillar(element_old);
10838   int direction_new = MV_NONE;
10839   int i;
10840
10841   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10842   {
10843     int xx = x + xy[i][0];
10844     int yy = y + xy[i][1];
10845     int dir = MV_DIR_FROM_BIT(i);
10846     int dir_opposite = MV_DIR_OPPOSITE(dir);
10847
10848     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10849         (direction_old & dir) &&
10850         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10851       direction_new |= dir;
10852   }
10853
10854   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10855 }
10856
10857 static int getClosedSteel2(int x, int y)
10858 {
10859   static int xy[4][2] =
10860   {
10861     { -1, 0 },
10862     { +1, 0 },
10863     { 0, -1 },
10864     { 0, +1 }
10865   };
10866   int element_old = IntelliDrawBuffer[x][y];
10867   int direction_old = getOpenDirectionFromSteel2(element_old);
10868   int direction_new = MV_NONE;
10869   int i;
10870
10871   for (i = 0; i < NUM_DIRECTIONS; i++)
10872   {
10873     int xx = x + xy[i][0];
10874     int yy = y + xy[i][1];
10875     int dir = MV_DIR_FROM_BIT(i);
10876     int dir_opposite = MV_DIR_OPPOSITE(dir);
10877
10878     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10879         (direction_old & dir) &&
10880         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10881       direction_new |= dir;
10882   }
10883
10884   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10885 }
10886
10887 static int getClosedChip(int x, int y)
10888 {
10889   static int xy[4][2] =
10890   {
10891     { -1, 0 },
10892     { +1, 0 },
10893     { 0, -1 },
10894     { 0, +1 }
10895   };
10896   int element_old = IntelliDrawBuffer[x][y];
10897   int direction_old = getOpenDirectionFromChip(element_old);
10898   int direction_new = MV_NONE;
10899   int i;
10900
10901   for (i = 0; i < NUM_DIRECTIONS; i++)
10902   {
10903     int xx = x + xy[i][0];
10904     int yy = y + xy[i][1];
10905     int dir = MV_DIR_FROM_BIT(i);
10906     int dir_opposite = MV_DIR_OPPOSITE(dir);
10907
10908     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10909         (direction_old & dir) &&
10910         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10911       direction_new |= dir;
10912   }
10913
10914   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10915 }
10916
10917 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10918                                 boolean change_level)
10919 {
10920   int sx = x - level_xpos;
10921   int sy = y - level_ypos;
10922   int old_element = Tile[x][y];
10923   int new_element = element;
10924   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10925   boolean draw_masked = FALSE;
10926
10927   if (IS_MM_WALL_EDITOR(element))
10928   {
10929     element = map_mm_wall_element_editor(element) | new_bitmask;
10930
10931     if (IS_MM_WALL(old_element))
10932       element |= MM_WALL_BITS(old_element);
10933
10934     if (!change_level)
10935       draw_masked = TRUE;
10936   }
10937   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10938   {
10939     int element_changed = old_element & ~new_bitmask;
10940
10941     if (MM_WALL_BITS(element_changed) != 0)
10942       element = element_changed;
10943   }
10944
10945   IntelliDrawBuffer[x][y] = element;
10946
10947   if (change_level)
10948     Tile[x][y] = element;
10949
10950   if (IN_ED_FIELD(sx, sy))
10951   {
10952     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10953       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10954     else if (draw_masked)
10955       DrawEditorElementThruMask(sx, sy, element);
10956     else
10957       DrawEditorElement(sx, sy, element);
10958   }
10959 }
10960
10961 static void SetElementSimple(int x, int y, int element, boolean change_level)
10962 {
10963   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10964 }
10965
10966 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10967                                            int x2, int y2, int *element2,
10968                                            int (*close_function)(int, int),
10969                                            boolean change_level)
10970 {
10971   // set neighbour elements to newly determined connections
10972   SetElementSimple(x1, y1, *element1, change_level);
10973   SetElementSimple(x2, y2, *element2, change_level);
10974
10975   // remove all open connections of neighbour elements
10976   *element1 = close_function(x1, y1);
10977   *element2 = close_function(x2, y2);
10978
10979   // set neighbour elements to new, minimized connections
10980   SetElementSimple(x1, y1, *element1, change_level);
10981   SetElementSimple(x2, y2, *element2, change_level);
10982 }
10983
10984 static void SetElementIntelliDraw(int x, int y, int new_element,
10985                                   boolean change_level, int button)
10986 {
10987   static int xy[4][2] =
10988   {
10989     { -1, 0 },
10990     { +1, 0 },
10991     { 0, -1 },
10992     { 0, +1 }
10993   };
10994   static int last_x = -1;
10995   static int last_y = -1;
10996
10997   if (new_element == EL_UNDEFINED)
10998   {
10999     last_x = -1;
11000     last_y = -1;
11001
11002     return;
11003   }
11004
11005   int old_element = IntelliDrawBuffer[x][y];
11006
11007   if (IS_TUBE(new_element))
11008   {
11009     int last_element_new = EL_UNDEFINED;
11010     int direction = MV_NONE;
11011     int i;
11012
11013     // if old element is of same kind, keep all existing directions
11014     if (IS_TUBE(old_element))
11015       direction |= getOpenDirectionFromTube(old_element);
11016
11017     for (i = 0; i < NUM_DIRECTIONS; i++)
11018     {
11019       int xx = x + xy[i][0];
11020       int yy = y + xy[i][1];
11021
11022       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11023           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11024       {
11025         int dir = MV_DIR_FROM_BIT(i);
11026         int dir_opposite = MV_DIR_OPPOSITE(dir);
11027         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11028         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11029         int last_direction_new = last_direction_old | dir_opposite;
11030
11031         last_element_new = getTubeFromOpenDirection(last_direction_new);
11032
11033         direction |= dir;
11034       }
11035     }
11036
11037     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11038
11039     if (last_element_new != EL_UNDEFINED)
11040       MergeAndCloseNeighbourElements(x, y, &new_element,
11041                                      last_x, last_y, &last_element_new,
11042                                      getClosedTube, change_level);
11043   }
11044   else if (IS_BELT(new_element))
11045   {
11046     int belt_nr = getBeltNrFromBeltElement(new_element);
11047     int last_element_new = EL_UNDEFINED;
11048     int direction = MV_NONE;
11049     int i;
11050
11051     // if old element is of same kind, keep all existing directions
11052     if (IS_BELT(old_element))
11053       direction |= getOpenDirectionFromBelt(old_element);
11054
11055     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11056     {
11057       int xx = x + xy[i][0];
11058       int yy = y + xy[i][1];
11059
11060       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11061           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11062       {
11063         int dir = MV_DIR_FROM_BIT(i);
11064         int dir_opposite = MV_DIR_OPPOSITE(dir);
11065         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11066         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11067         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11068         int last_direction_new = last_direction_old | dir_opposite;
11069
11070         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11071                                                          last_direction_new);
11072         direction |= dir;
11073       }
11074     }
11075
11076     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11077                                                         new_element);
11078     if (last_element_new != EL_UNDEFINED)
11079       MergeAndCloseNeighbourElements(x, y, &new_element,
11080                                      last_x, last_y, &last_element_new,
11081                                      getClosedBelt, change_level);
11082   }
11083   else if (IS_ACID_POOL_OR_ACID(new_element))
11084   {
11085     int last_element_new = EL_UNDEFINED;
11086     int direction = MV_NONE;
11087     int i;
11088
11089     // if old element is of same kind, keep all existing directions
11090     if (IS_ACID_POOL_OR_ACID(old_element))
11091       direction |= getOpenDirectionFromPool(old_element);
11092
11093     for (i = 0; i < NUM_DIRECTIONS; i++)
11094     {
11095       int xx = x + xy[i][0];
11096       int yy = y + xy[i][1];
11097
11098       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11099           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11100       {
11101         int dir = MV_DIR_FROM_BIT(i);
11102         int dir_opposite = MV_DIR_OPPOSITE(dir);
11103         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11104         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11105         int last_direction_new = last_direction_old | dir_opposite;
11106
11107         last_element_new = getPoolFromOpenDirection(last_direction_new);
11108
11109         direction |= dir;
11110       }
11111     }
11112
11113     // special corrections needed for intuitively correct acid pool drawing
11114     if (last_element_new == EL_EMPTY)
11115       last_element_new = new_element;
11116     else if (last_element_new != EL_UNDEFINED)
11117       new_element = last_element_new;
11118
11119     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11120
11121     if (last_element_new != EL_UNDEFINED)
11122       MergeAndCloseNeighbourElements(x, y, &new_element,
11123                                      last_x, last_y, &last_element_new,
11124                                      getClosedPool, change_level);
11125   }
11126   else if (IS_EMC_PILLAR(new_element))
11127   {
11128     int last_element_new = EL_UNDEFINED;
11129     int direction = MV_NONE;
11130     int i;
11131
11132     // if old element is of same kind, keep all existing directions
11133     if (IS_EMC_PILLAR(old_element))
11134       direction |= getOpenDirectionFromPillar(old_element);
11135
11136     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11137     {
11138       int xx = x + xy[i][0];
11139       int yy = y + xy[i][1];
11140
11141       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11142           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11143       {
11144         int dir = MV_DIR_FROM_BIT(i);
11145         int dir_opposite = MV_DIR_OPPOSITE(dir);
11146         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11147         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11148         int last_direction_new = last_direction_old | dir_opposite;
11149
11150         last_element_new = getPillarFromOpenDirection(last_direction_new);
11151
11152         direction |= dir;
11153       }
11154     }
11155
11156     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11157
11158     if (last_element_new != EL_UNDEFINED)
11159       MergeAndCloseNeighbourElements(x, y, &new_element,
11160                                      last_x, last_y, &last_element_new,
11161                                      getClosedPillar, change_level);
11162   }
11163   else if (IS_DC_STEELWALL_2(new_element))
11164   {
11165     int last_element_new = EL_UNDEFINED;
11166     int direction = MV_NONE;
11167     int i;
11168
11169     // if old element is of same kind, keep all existing directions
11170     if (IS_DC_STEELWALL_2(old_element))
11171       direction |= getOpenDirectionFromSteel2(old_element);
11172
11173     for (i = 0; i < NUM_DIRECTIONS; i++)
11174     {
11175       int xx = x + xy[i][0];
11176       int yy = y + xy[i][1];
11177
11178       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11179           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11180       {
11181         int dir = MV_DIR_FROM_BIT(i);
11182         int dir_opposite = MV_DIR_OPPOSITE(dir);
11183         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11184         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11185         int last_direction_new = last_direction_old | dir_opposite;
11186
11187         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11188
11189         direction |= dir;
11190       }
11191     }
11192
11193     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11194
11195     if (last_element_new != EL_UNDEFINED)
11196       MergeAndCloseNeighbourElements(x, y, &new_element,
11197                                      last_x, last_y, &last_element_new,
11198                                      getClosedSteel2, change_level);
11199   }
11200   else if (IS_SP_CHIP(new_element))
11201   {
11202     int last_element_new = EL_UNDEFINED;
11203     int direction = MV_NONE;
11204     int i;
11205
11206     // (do not keep existing directions, regardless of kind of old element)
11207
11208     for (i = 0; i < NUM_DIRECTIONS; i++)
11209     {
11210       int xx = x + xy[i][0];
11211       int yy = y + xy[i][1];
11212
11213       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11214           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11215       {
11216         int dir = MV_DIR_FROM_BIT(i);
11217         int dir_opposite = MV_DIR_OPPOSITE(dir);
11218         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11219         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11220         int last_direction_new = last_direction_old | dir_opposite;
11221
11222         if (last_direction_old == MV_NONE)
11223         {
11224           last_element_new = getChipFromOpenDirection(last_direction_new);
11225           direction |= dir;
11226         }
11227         else if (last_direction_old & (dir | dir_opposite))
11228         {
11229           direction |= MV_DIR_OPPOSITE(last_direction_old);
11230         }
11231         else
11232         {
11233           direction |= MV_DIR_OPPOSITE(dir);
11234         }
11235       }
11236     }
11237
11238     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11239
11240     if (last_element_new != EL_UNDEFINED)
11241       MergeAndCloseNeighbourElements(x, y, &new_element,
11242                                      last_x, last_y, &last_element_new,
11243                                      getClosedChip, change_level);
11244   }
11245   else if (IS_SP_HARDWARE_BASE(new_element))
11246   {
11247     int nr = GetSimpleRandom(6);
11248
11249     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11250                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11251                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11252                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11253                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11254   }
11255   else if (new_element == EL_SP_HARDWARE_GREEN ||
11256            new_element == EL_SP_HARDWARE_BLUE ||
11257            new_element == EL_SP_HARDWARE_RED)
11258   {
11259     int nr = GetSimpleRandom(3);
11260
11261     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11262                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11263   }
11264   else if (IS_GROUP_ELEMENT(new_element))
11265   {
11266     boolean connected_drawing = FALSE;
11267     int i;
11268
11269     for (i = 0; i < NUM_DIRECTIONS; i++)
11270     {
11271       int xx = x + xy[i][0];
11272       int yy = y + xy[i][1];
11273
11274       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11275           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11276         connected_drawing = TRUE;
11277     }
11278
11279     if (!connected_drawing)
11280       ResolveGroupElement(new_element);
11281
11282     new_element = GetElementFromGroupElement(new_element);
11283   }
11284   else if (IS_BELT_SWITCH(old_element))
11285   {
11286     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11287     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11288
11289     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11290                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11291
11292     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11293   }
11294   else
11295   {
11296     static int swappable_elements[][2] =
11297     {
11298       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11299       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11300       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11301       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11302       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11303       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11304       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11305       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11306       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11307       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11308       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11309       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11310       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11311       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11312       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11313       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11314       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11315       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11316       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11317       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11318       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11319       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11320       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11321       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11322       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11323       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11324       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11325       { EL_PEARL,                       EL_WALL_PEARL                   },
11326       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11327       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11328       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11329       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11330       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11331       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11332       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11333       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11334       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11335       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11336       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11337       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11338       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11339       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11340       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11341       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11342
11343       { -1,                             -1                              },
11344     };
11345     static int rotatable_elements_4[][4] =
11346     {
11347       {
11348         EL_BUG_UP,
11349         EL_BUG_RIGHT,
11350         EL_BUG_DOWN,
11351         EL_BUG_LEFT
11352       },
11353       {
11354         EL_SPACESHIP_UP,
11355         EL_SPACESHIP_RIGHT,
11356         EL_SPACESHIP_DOWN,
11357         EL_SPACESHIP_LEFT
11358       },
11359       {
11360         EL_BD_BUTTERFLY_UP,
11361         EL_BD_BUTTERFLY_RIGHT,
11362         EL_BD_BUTTERFLY_DOWN,
11363         EL_BD_BUTTERFLY_LEFT
11364       },
11365       {
11366         EL_BD_FIREFLY_UP,
11367         EL_BD_FIREFLY_RIGHT,
11368         EL_BD_FIREFLY_DOWN,
11369         EL_BD_FIREFLY_LEFT
11370       },
11371       {
11372         EL_PACMAN_UP,
11373         EL_PACMAN_RIGHT,
11374         EL_PACMAN_DOWN,
11375         EL_PACMAN_LEFT
11376       },
11377       {
11378         EL_YAMYAM_UP,
11379         EL_YAMYAM_RIGHT,
11380         EL_YAMYAM_DOWN,
11381         EL_YAMYAM_LEFT
11382       },
11383       {
11384         EL_ARROW_UP,
11385         EL_ARROW_RIGHT,
11386         EL_ARROW_DOWN,
11387         EL_ARROW_LEFT
11388       },
11389       {
11390         EL_SP_PORT_UP,
11391         EL_SP_PORT_RIGHT,
11392         EL_SP_PORT_DOWN,
11393         EL_SP_PORT_LEFT
11394       },
11395       {
11396         EL_SP_GRAVITY_PORT_UP,
11397         EL_SP_GRAVITY_PORT_RIGHT,
11398         EL_SP_GRAVITY_PORT_DOWN,
11399         EL_SP_GRAVITY_PORT_LEFT
11400       },
11401       {
11402         EL_SP_GRAVITY_ON_PORT_UP,
11403         EL_SP_GRAVITY_ON_PORT_RIGHT,
11404         EL_SP_GRAVITY_ON_PORT_DOWN,
11405         EL_SP_GRAVITY_ON_PORT_LEFT
11406       },
11407       {
11408         EL_SP_GRAVITY_OFF_PORT_UP,
11409         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11410         EL_SP_GRAVITY_OFF_PORT_DOWN,
11411         EL_SP_GRAVITY_OFF_PORT_LEFT
11412       },
11413       {
11414         EL_MOLE_UP,
11415         EL_MOLE_RIGHT,
11416         EL_MOLE_DOWN,
11417         EL_MOLE_LEFT
11418       },
11419       {
11420         EL_BALLOON_SWITCH_UP,
11421         EL_BALLOON_SWITCH_RIGHT,
11422         EL_BALLOON_SWITCH_DOWN,
11423         EL_BALLOON_SWITCH_LEFT
11424       },
11425       {
11426         EL_MM_MCDUFFIN_UP,
11427         EL_MM_MCDUFFIN_RIGHT,
11428         EL_MM_MCDUFFIN_DOWN,
11429         EL_MM_MCDUFFIN_LEFT
11430       },
11431       {
11432         EL_MM_MIRROR_FIXED_1,
11433         EL_MM_MIRROR_FIXED_4,
11434         EL_MM_MIRROR_FIXED_3,
11435         EL_MM_MIRROR_FIXED_2
11436       },
11437       {
11438         EL_MM_STEEL_GRID_FIXED_1,
11439         EL_MM_STEEL_GRID_FIXED_4,
11440         EL_MM_STEEL_GRID_FIXED_2,
11441         EL_MM_STEEL_GRID_FIXED_3
11442       },
11443       {
11444         EL_MM_WOODEN_GRID_FIXED_1,
11445         EL_MM_WOODEN_GRID_FIXED_4,
11446         EL_MM_WOODEN_GRID_FIXED_2,
11447         EL_MM_WOODEN_GRID_FIXED_3
11448       },
11449       {
11450         EL_MM_POLARIZER_CROSS_1,
11451         EL_MM_POLARIZER_CROSS_4,
11452         EL_MM_POLARIZER_CROSS_3,
11453         EL_MM_POLARIZER_CROSS_2
11454       },
11455       {
11456         EL_MM_PACMAN_UP,
11457         EL_MM_PACMAN_RIGHT,
11458         EL_MM_PACMAN_DOWN,
11459         EL_MM_PACMAN_LEFT
11460       },
11461       {
11462         EL_DF_LASER_UP,
11463         EL_DF_LASER_RIGHT,
11464         EL_DF_LASER_DOWN,
11465         EL_DF_LASER_LEFT
11466       },
11467       {
11468         EL_DF_RECEIVER_UP,
11469         EL_DF_RECEIVER_RIGHT,
11470         EL_DF_RECEIVER_DOWN,
11471         EL_DF_RECEIVER_LEFT
11472       },
11473
11474       {
11475         -1,
11476       },
11477     };
11478     static int rotatable_elements_8[][8] =
11479     {
11480       {
11481         EL_DF_STEEL_GRID_FIXED_1,
11482         EL_DF_STEEL_GRID_FIXED_8,
11483         EL_DF_STEEL_GRID_FIXED_7,
11484         EL_DF_STEEL_GRID_FIXED_6,
11485         EL_DF_STEEL_GRID_FIXED_5,
11486         EL_DF_STEEL_GRID_FIXED_4,
11487         EL_DF_STEEL_GRID_FIXED_3,
11488         EL_DF_STEEL_GRID_FIXED_2
11489       },
11490       {
11491         EL_DF_WOODEN_GRID_FIXED_1,
11492         EL_DF_WOODEN_GRID_FIXED_8,
11493         EL_DF_WOODEN_GRID_FIXED_7,
11494         EL_DF_WOODEN_GRID_FIXED_6,
11495         EL_DF_WOODEN_GRID_FIXED_5,
11496         EL_DF_WOODEN_GRID_FIXED_4,
11497         EL_DF_WOODEN_GRID_FIXED_3,
11498         EL_DF_WOODEN_GRID_FIXED_2
11499       },
11500       {
11501         EL_DF_STEEL_GRID_ROTATING_1,
11502         EL_DF_STEEL_GRID_ROTATING_8,
11503         EL_DF_STEEL_GRID_ROTATING_7,
11504         EL_DF_STEEL_GRID_ROTATING_6,
11505         EL_DF_STEEL_GRID_ROTATING_5,
11506         EL_DF_STEEL_GRID_ROTATING_4,
11507         EL_DF_STEEL_GRID_ROTATING_3,
11508         EL_DF_STEEL_GRID_ROTATING_2
11509       },
11510       {
11511         EL_DF_WOODEN_GRID_ROTATING_1,
11512         EL_DF_WOODEN_GRID_ROTATING_8,
11513         EL_DF_WOODEN_GRID_ROTATING_7,
11514         EL_DF_WOODEN_GRID_ROTATING_6,
11515         EL_DF_WOODEN_GRID_ROTATING_5,
11516         EL_DF_WOODEN_GRID_ROTATING_4,
11517         EL_DF_WOODEN_GRID_ROTATING_3,
11518         EL_DF_WOODEN_GRID_ROTATING_2
11519       },
11520
11521       {
11522         -1,
11523       },
11524     };
11525     static int rotatable_elements_16[][16] =
11526     {
11527       {
11528         EL_MM_MIRROR_1,
11529         EL_MM_MIRROR_16,
11530         EL_MM_MIRROR_15,
11531         EL_MM_MIRROR_14,
11532         EL_MM_MIRROR_13,
11533         EL_MM_MIRROR_12,
11534         EL_MM_MIRROR_11,
11535         EL_MM_MIRROR_10,
11536         EL_MM_MIRROR_9,
11537         EL_MM_MIRROR_8,
11538         EL_MM_MIRROR_7,
11539         EL_MM_MIRROR_6,
11540         EL_MM_MIRROR_5,
11541         EL_MM_MIRROR_4,
11542         EL_MM_MIRROR_3,
11543         EL_MM_MIRROR_2
11544       },
11545       {
11546         EL_MM_TELEPORTER_5,
11547         EL_MM_TELEPORTER_4,
11548         EL_MM_TELEPORTER_3,
11549         EL_MM_TELEPORTER_2,
11550         EL_MM_TELEPORTER_1,
11551         EL_MM_TELEPORTER_16,
11552         EL_MM_TELEPORTER_15,
11553         EL_MM_TELEPORTER_14,
11554         EL_MM_TELEPORTER_13,
11555         EL_MM_TELEPORTER_12,
11556         EL_MM_TELEPORTER_11,
11557         EL_MM_TELEPORTER_10,
11558         EL_MM_TELEPORTER_9,
11559         EL_MM_TELEPORTER_8,
11560         EL_MM_TELEPORTER_7,
11561         EL_MM_TELEPORTER_6
11562       },
11563       {
11564         EL_MM_TELEPORTER_RED_5,
11565         EL_MM_TELEPORTER_RED_4,
11566         EL_MM_TELEPORTER_RED_3,
11567         EL_MM_TELEPORTER_RED_2,
11568         EL_MM_TELEPORTER_RED_1,
11569         EL_MM_TELEPORTER_RED_16,
11570         EL_MM_TELEPORTER_RED_15,
11571         EL_MM_TELEPORTER_RED_14,
11572         EL_MM_TELEPORTER_RED_13,
11573         EL_MM_TELEPORTER_RED_12,
11574         EL_MM_TELEPORTER_RED_11,
11575         EL_MM_TELEPORTER_RED_10,
11576         EL_MM_TELEPORTER_RED_9,
11577         EL_MM_TELEPORTER_RED_8,
11578         EL_MM_TELEPORTER_RED_7,
11579         EL_MM_TELEPORTER_RED_6
11580       },
11581       {
11582         EL_MM_TELEPORTER_YELLOW_5,
11583         EL_MM_TELEPORTER_YELLOW_4,
11584         EL_MM_TELEPORTER_YELLOW_3,
11585         EL_MM_TELEPORTER_YELLOW_2,
11586         EL_MM_TELEPORTER_YELLOW_1,
11587         EL_MM_TELEPORTER_YELLOW_16,
11588         EL_MM_TELEPORTER_YELLOW_15,
11589         EL_MM_TELEPORTER_YELLOW_14,
11590         EL_MM_TELEPORTER_YELLOW_13,
11591         EL_MM_TELEPORTER_YELLOW_12,
11592         EL_MM_TELEPORTER_YELLOW_11,
11593         EL_MM_TELEPORTER_YELLOW_10,
11594         EL_MM_TELEPORTER_YELLOW_9,
11595         EL_MM_TELEPORTER_YELLOW_8,
11596         EL_MM_TELEPORTER_YELLOW_7,
11597         EL_MM_TELEPORTER_YELLOW_6
11598       },
11599       {
11600         EL_MM_TELEPORTER_GREEN_5,
11601         EL_MM_TELEPORTER_GREEN_4,
11602         EL_MM_TELEPORTER_GREEN_3,
11603         EL_MM_TELEPORTER_GREEN_2,
11604         EL_MM_TELEPORTER_GREEN_1,
11605         EL_MM_TELEPORTER_GREEN_16,
11606         EL_MM_TELEPORTER_GREEN_15,
11607         EL_MM_TELEPORTER_GREEN_14,
11608         EL_MM_TELEPORTER_GREEN_13,
11609         EL_MM_TELEPORTER_GREEN_12,
11610         EL_MM_TELEPORTER_GREEN_11,
11611         EL_MM_TELEPORTER_GREEN_10,
11612         EL_MM_TELEPORTER_GREEN_9,
11613         EL_MM_TELEPORTER_GREEN_8,
11614         EL_MM_TELEPORTER_GREEN_7,
11615         EL_MM_TELEPORTER_GREEN_6
11616       },
11617       {
11618         EL_MM_TELEPORTER_BLUE_5,
11619         EL_MM_TELEPORTER_BLUE_4,
11620         EL_MM_TELEPORTER_BLUE_3,
11621         EL_MM_TELEPORTER_BLUE_2,
11622         EL_MM_TELEPORTER_BLUE_1,
11623         EL_MM_TELEPORTER_BLUE_16,
11624         EL_MM_TELEPORTER_BLUE_15,
11625         EL_MM_TELEPORTER_BLUE_14,
11626         EL_MM_TELEPORTER_BLUE_13,
11627         EL_MM_TELEPORTER_BLUE_12,
11628         EL_MM_TELEPORTER_BLUE_11,
11629         EL_MM_TELEPORTER_BLUE_10,
11630         EL_MM_TELEPORTER_BLUE_9,
11631         EL_MM_TELEPORTER_BLUE_8,
11632         EL_MM_TELEPORTER_BLUE_7,
11633         EL_MM_TELEPORTER_BLUE_6
11634       },
11635       {
11636         EL_MM_POLARIZER_1,
11637         EL_MM_POLARIZER_16,
11638         EL_MM_POLARIZER_15,
11639         EL_MM_POLARIZER_14,
11640         EL_MM_POLARIZER_13,
11641         EL_MM_POLARIZER_12,
11642         EL_MM_POLARIZER_11,
11643         EL_MM_POLARIZER_10,
11644         EL_MM_POLARIZER_9,
11645         EL_MM_POLARIZER_8,
11646         EL_MM_POLARIZER_7,
11647         EL_MM_POLARIZER_6,
11648         EL_MM_POLARIZER_5,
11649         EL_MM_POLARIZER_4,
11650         EL_MM_POLARIZER_3,
11651         EL_MM_POLARIZER_2
11652       },
11653       {
11654         EL_DF_MIRROR_1,
11655         EL_DF_MIRROR_16,
11656         EL_DF_MIRROR_15,
11657         EL_DF_MIRROR_14,
11658         EL_DF_MIRROR_13,
11659         EL_DF_MIRROR_12,
11660         EL_DF_MIRROR_11,
11661         EL_DF_MIRROR_10,
11662         EL_DF_MIRROR_9,
11663         EL_DF_MIRROR_8,
11664         EL_DF_MIRROR_7,
11665         EL_DF_MIRROR_6,
11666         EL_DF_MIRROR_5,
11667         EL_DF_MIRROR_4,
11668         EL_DF_MIRROR_3,
11669         EL_DF_MIRROR_2
11670       },
11671       {
11672         EL_DF_MIRROR_ROTATING_1,
11673         EL_DF_MIRROR_ROTATING_16,
11674         EL_DF_MIRROR_ROTATING_15,
11675         EL_DF_MIRROR_ROTATING_14,
11676         EL_DF_MIRROR_ROTATING_13,
11677         EL_DF_MIRROR_ROTATING_12,
11678         EL_DF_MIRROR_ROTATING_11,
11679         EL_DF_MIRROR_ROTATING_10,
11680         EL_DF_MIRROR_ROTATING_9,
11681         EL_DF_MIRROR_ROTATING_8,
11682         EL_DF_MIRROR_ROTATING_7,
11683         EL_DF_MIRROR_ROTATING_6,
11684         EL_DF_MIRROR_ROTATING_5,
11685         EL_DF_MIRROR_ROTATING_4,
11686         EL_DF_MIRROR_ROTATING_3,
11687         EL_DF_MIRROR_ROTATING_2
11688       },
11689
11690       {
11691         -1,
11692       },
11693     };
11694     int i, j;
11695
11696     for (i = 0; swappable_elements[i][0] != -1; i++)
11697     {
11698       int element1 = swappable_elements[i][0];
11699       int element2 = swappable_elements[i][1];
11700
11701       if (old_element == element1 || old_element == element2)
11702         new_element = (old_element == element1 ? element2 : element1);
11703     }
11704
11705     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11706     {
11707       for (j = 0; j < 4; j++)
11708       {
11709         int element = rotatable_elements_4[i][j];
11710
11711         if (old_element == element)
11712           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11713                          button == 2 ? rotatable_elements_4[i][0]           :
11714                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11715                          old_element);
11716       }
11717     }
11718
11719     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11720     {
11721       for (j = 0; j < 8; j++)
11722       {
11723         int element = rotatable_elements_8[i][j];
11724
11725         if (old_element == element)
11726           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11727                          button == 2 ? rotatable_elements_8[i][0]           :
11728                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11729                          old_element);
11730       }
11731     }
11732
11733     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11734     {
11735       for (j = 0; j < 16; j++)
11736       {
11737         int element = rotatable_elements_16[i][j];
11738
11739         if (old_element == element)
11740           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11741                          button == 2 ? rotatable_elements_16[i][0]             :
11742                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11743                          old_element);
11744       }
11745     }
11746
11747     if (old_element != new_element)
11748     {
11749       int max_infotext_len = getMaxInfoTextLength();
11750       char infotext[MAX_OUTPUT_LINESIZE + 1];
11751
11752       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11753       infotext[max_infotext_len] = '\0';
11754
11755       ClearEditorGadgetInfoText();
11756
11757       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11758                 infotext);
11759     }
11760   }
11761
11762   SetElementSimple(x, y, new_element, change_level);
11763
11764   last_x = x;
11765   last_y = y;
11766 }
11767
11768 static void ResetIntelliDraw(void)
11769 {
11770   int x, y;
11771
11772   for (x = 0; x < lev_fieldx; x++)
11773     for (y = 0; y < lev_fieldy; y++)
11774       IntelliDrawBuffer[x][y] = Tile[x][y];
11775
11776   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11777 }
11778
11779 static boolean draw_mode_hires = FALSE;
11780
11781 static boolean isHiresTileElement(int element)
11782 {
11783   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11784 }
11785
11786 static boolean isHiresDrawElement(int element)
11787 {
11788   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11789 }
11790
11791 static void SetDrawModeHiRes(int element)
11792 {
11793   draw_mode_hires =
11794     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11795      isHiresDrawElement(element));
11796 }
11797
11798 static boolean getDrawModeHiRes(void)
11799 {
11800   return draw_mode_hires;
11801 }
11802
11803 static int getLoResScreenPos(int pos)
11804 {
11805   return (getDrawModeHiRes() ? pos / 2 : pos);
11806 }
11807
11808 static int getLoResScreenMod(int pos)
11809 {
11810   return (getDrawModeHiRes() ? pos % 2 : 0);
11811 }
11812
11813 static void SetElementExt(int x, int y, int dx, int dy, int element,
11814                           boolean change_level, int button)
11815 {
11816   if (element < 0)
11817     SetElementSimple(x, y, Tile[x][y], change_level);
11818   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11819     SetElementIntelliDraw(x, y, element, change_level, button);
11820   else
11821     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11822 }
11823
11824 static void SetElement(int x, int y, int element)
11825 {
11826   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11827 }
11828
11829 static void SetElementButton(int x, int y, int dx, int dy, int element,
11830                              int button)
11831 {
11832   SetElementExt(x, y, dx, dy, element, TRUE, button);
11833 }
11834
11835 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11836 {
11837   int lx = getLoResScreenPos(sx2) + level_xpos;
11838   int ly = getLoResScreenPos(sy2) + level_ypos;
11839   int dx = getLoResScreenMod(sx2);
11840   int dy = getLoResScreenMod(sy2);
11841
11842   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11843 }
11844
11845 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11846 {
11847   int lx = lx2 / 2;
11848   int ly = ly2 / 2;
11849   int dx = lx2 % 2;
11850   int dy = ly2 % 2;
11851
11852   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11853 }
11854
11855 static int getLevelElementHiRes(int lx2, int ly2)
11856 {
11857   int lx = lx2 / 2;
11858   int ly = ly2 / 2;
11859   int dx = lx2 % 2;
11860   int dy = ly2 % 2;
11861   int element = Tile[lx][ly];
11862   unsigned int bitmask = (dx + 1) << (dy * 2);
11863
11864   if (IS_MM_WALL(element))
11865   {
11866     if (element & bitmask)
11867       return map_mm_wall_element(element);
11868     else
11869       return EL_EMPTY;
11870   }
11871
11872   return element;
11873 }
11874
11875 static void DrawLineElement(int x, int y, int element, boolean change_level)
11876 {
11877   SetElementHiRes(x, y, element, change_level);
11878 }
11879
11880 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11881                      int element, boolean change_level)
11882 {
11883   int xsize = ABS(to_x - from_x);
11884   int ysize = ABS(to_y - from_y);
11885   int dx = (to_x < from_x ? -1 : +1);
11886   int dy = (to_y < from_y ? -1 : +1);
11887   int i;
11888
11889   if (from_y == to_y)                   // horizontal line
11890   {
11891     for (i = 0; i <= xsize; i++)
11892       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11893   }
11894   else if (from_x == to_x)              // vertical line
11895   {
11896     for (i = 0; i <= ysize; i++)
11897       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11898   }
11899   else                                  // diagonal line
11900   {
11901     if (ysize < xsize)                  // a < 1
11902     {
11903       float a = (float)ysize / (float)xsize;
11904
11905       for (i = 0; i <= xsize; i++)
11906       {
11907         int x = dx * i;
11908         int y = dy * (int)(a * i + 0.5);
11909
11910         DrawLineElement(from_x + x, from_y + y, element, change_level);
11911       }
11912     }
11913     else                                // a >= 1
11914     {
11915       float a = (float)xsize / (float)ysize;
11916
11917       for (i = 0; i <= ysize; i++)
11918       {
11919         int x = dx * (int)(a * i + 0.5);
11920         int y = dy * i;
11921
11922         DrawLineElement(from_x + x, from_y + y, element, change_level);
11923       }
11924     }
11925   }
11926 }
11927
11928 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11929                     int element, boolean change_level)
11930 {
11931   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11932   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11933   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11934   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11935 }
11936
11937 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11938                           int element, boolean change_level)
11939 {
11940   int y;
11941
11942   if (from_y > to_y)
11943     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11944
11945   for (y = from_y; y <= to_y; y++)
11946     DrawLine(from_x, y, to_x, y, element, change_level);
11947 }
11948
11949 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11950                        int element, boolean change_level)
11951 {
11952   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11953   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11954   int len_x = ABS(to_x - from_x);
11955   int len_y = ABS(to_y - from_y);
11956   int radius, x, y;
11957
11958   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11959
11960   // not optimal (some points get drawn twice) but simple,
11961   // and fast enough for the few points we are drawing
11962
11963   for (x = 0; x <= radius; x++)
11964   {
11965     int sx, sy, sx2, sy2, lx, ly;
11966
11967     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11968
11969     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11970     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11971     sx = getLoResScreenPos(sx2);
11972     sy = getLoResScreenPos(sy2);
11973     lx = sx + level_xpos;
11974     ly = sy + level_ypos;
11975
11976     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11977       DrawLineElement(sx2, sy2, element, change_level);
11978   }
11979
11980   for (y = 0; y <= radius; y++)
11981   {
11982     int sx, sy, sx2, sy2, lx, ly;
11983
11984     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11985
11986     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11987     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11988     sx = getLoResScreenPos(sx2);
11989     sy = getLoResScreenPos(sy2);
11990     lx = sx + level_xpos;
11991     ly = sy + level_ypos;
11992
11993     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11994       DrawLineElement(sx2, sy2, element, change_level);
11995   }
11996 }
11997
11998 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11999                     int element, boolean change_level)
12000 {
12001   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12002   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12003
12004   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12005 }
12006
12007 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12008
12009 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12010 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12011                        int element, boolean change_level)
12012 {
12013   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12014   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12015   int mirror_to_x2 = from_x - (to_x2 - from_x);
12016   int mirror_to_y2 = from_y - (to_y2 - from_y);
12017
12018   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12019   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12020   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12021   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
12022 }
12023 #endif
12024
12025 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12026 {
12027   int from_sx, from_sy;
12028   int to_sx, to_sy;
12029
12030   if (from_x > to_x)
12031     swap_numbers(&from_x, &to_x);
12032
12033   if (from_y > to_y)
12034     swap_numbers(&from_y, &to_y);
12035
12036   from_sx = SX + from_x * ed_tilesize;
12037   from_sy = SY + from_y * ed_tilesize;
12038   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12039   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12040
12041   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12042   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12043   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12044   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12045
12046   if (from_x == to_x && from_y == to_y)
12047     MarkTileDirty(from_x/2, from_y/2);
12048   else
12049     redraw_mask |= REDRAW_FIELD;
12050 }
12051
12052 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12053                         int element, boolean change_level)
12054 {
12055   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12056 }
12057
12058 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12059                        int element, boolean change_level)
12060 {
12061   if (element == -1 || change_level)
12062     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12063   else
12064     DrawAreaBorder(from_x, from_y, to_x, to_y);
12065 }
12066
12067 // values for CopyBrushExt()
12068 #define CB_AREA_TO_BRUSH                0
12069 #define CB_BRUSH_TO_CURSOR              1
12070 #define CB_BRUSH_TO_LEVEL               2
12071 #define CB_DELETE_OLD_CURSOR            3
12072 #define CB_DUMP_BRUSH                   4
12073 #define CB_DUMP_BRUSH_SMALL             5
12074 #define CB_CLIPBOARD_TO_BRUSH           6
12075 #define CB_BRUSH_TO_CLIPBOARD           7
12076 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12077 #define CB_UPDATE_BRUSH_POSITION        9
12078
12079 #define MAX_CB_PART_SIZE        10
12080 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12081 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12082 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12083                                  MAX_CB_NUM_LINES *     \
12084                                  MAX_CB_PART_SIZE)
12085
12086 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12087 {
12088   DrawLineElement(sx, sy, element, change_level);
12089 }
12090
12091 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12092                          int button, int mode)
12093 {
12094   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12095   static int brush_width, brush_height;
12096   static int last_cursor_x = -1, last_cursor_y = -1;
12097   static boolean delete_old_brush = FALSE;
12098   int new_element = BUTTON_ELEMENT(button);
12099   int x, y;
12100
12101   if (mode == CB_DUMP_BRUSH ||
12102       mode == CB_DUMP_BRUSH_SMALL ||
12103       mode == CB_BRUSH_TO_CLIPBOARD ||
12104       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12105   {
12106     if (edit_mode != ED_MODE_DRAWING)
12107       return;
12108
12109     char part[MAX_CB_PART_SIZE + 1] = "";
12110     char text[MAX_CB_TEXT_SIZE + 1] = "";
12111     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12112     int height = (draw_with_brush ? brush_height : lev_fieldy);
12113     char *format = "%s%03d";
12114
12115     for (y = 0; y < height; y++)
12116       for (x = 0; x < width; x++)
12117         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12118           format = "%s%04d";
12119
12120     for (y = 0; y < height; y++)
12121     {
12122       for (x = 0; x < width; x++)
12123       {
12124         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12125         char *prefix = (mode == CB_DUMP_BRUSH ||
12126                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12127
12128         if (element >= NUM_FILE_ELEMENTS)
12129           element = EL_UNKNOWN;
12130
12131         // copy brush to level sketch text buffer for the R'n'D forum:
12132         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12133         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12134         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12135         strcat(text, part);
12136       }
12137
12138       strcat(text, "\n");
12139     }
12140
12141     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12142         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12143       SDL_SetClipboardText(text);
12144     else
12145       Print("%s", text);        // print brush data to console and log file
12146
12147     return;
12148   }
12149
12150   if (mode == CB_CLIPBOARD_TO_BRUSH)
12151   {
12152     if (edit_mode != ED_MODE_DRAWING)
12153       return;
12154
12155     if (!SDL_HasClipboardText())
12156     {
12157       Request("Clipboard is empty!", REQ_CONFIRM);
12158
12159       return;
12160     }
12161
12162     boolean copy_to_brush = (draw_with_brush ||
12163                              drawing_function == GADGET_ID_GRAB_BRUSH);
12164
12165     // this will delete the old brush, if already drawing with a brush
12166     if (copy_to_brush)
12167       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12168
12169     // initialization is required for "odd" (incomplete) clipboard content
12170     for (x = 0; x < MAX_LEV_FIELDX; x++)
12171       for (y = 0; y < MAX_LEV_FIELDY; y++)
12172         brush_buffer[x][y] = EL_EMPTY;
12173
12174     brush_width  = 0;
12175     brush_height = 0;
12176     x = 0;
12177     y = 0;
12178
12179     char *clipboard_text = SDL_GetClipboardText();
12180     char *ptr = clipboard_text;
12181     boolean allow_new_row = FALSE;
12182     boolean stop = FALSE;
12183
12184     while (*ptr && !stop)
12185     {
12186       boolean prefix_found = FALSE;
12187       boolean start_new_row = FALSE;
12188
12189       // level sketch element number prefixes (may be multi-byte characters)
12190       char *prefix_list[] = { "`", "¸" };
12191       int i;
12192
12193       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12194       {
12195         char *prefix = prefix_list[i];
12196
12197         // check if string is large enough for prefix
12198         if (strlen(ptr) < strlen(prefix))
12199         {
12200           stop = TRUE;
12201
12202           break;
12203         }
12204
12205         // check if string starts with prefix
12206         if (strPrefix(ptr, prefix))
12207         {
12208           ptr += strlen(prefix);
12209
12210           prefix_found = TRUE;
12211
12212           break;
12213         }
12214       }
12215
12216       // check if prefix found and followed by (at least) three digits
12217       if (prefix_found &&
12218           strlen(ptr) >= 3 &&
12219           ptr[0] >= '0' && ptr[0] <= '9' &&
12220           ptr[1] >= '0' && ptr[1] <= '9' &&
12221           ptr[2] >= '0' && ptr[2] <= '9')
12222       {
12223         int element = ((ptr[0] - '0') * 100 +
12224                        (ptr[1] - '0') * 10 +
12225                        (ptr[2] - '0'));
12226
12227         ptr += 3;
12228
12229         // level sketch element number might consist of four digits
12230         if (ptr[0] >= '0' && ptr[0] <= '9')
12231         {
12232           element = element * 10 + (ptr[0] - '0');
12233           ptr++;
12234         }
12235
12236         // remap some (historic, now obsolete) elements
12237         element = getMappedElement(element);
12238
12239         if (element >= NUM_FILE_ELEMENTS)
12240           element = EL_UNKNOWN;
12241
12242         brush_buffer[x][y] = element;
12243
12244         brush_width  = MAX(x + 1, brush_width);
12245         brush_height = MAX(y + 1, brush_height);
12246
12247         x++;
12248
12249         if (x >= MAX_LEV_FIELDX)
12250           start_new_row = TRUE;
12251
12252         allow_new_row = TRUE;
12253       }
12254       else
12255       {
12256         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12257           start_new_row = TRUE;
12258
12259         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12260       }
12261
12262       if (start_new_row)
12263       {
12264         x = 0;
12265         y++;
12266
12267         if (y >= MAX_LEV_FIELDY)
12268           stop = TRUE;
12269
12270         allow_new_row = FALSE;
12271       }
12272     }
12273
12274     SDL_free(clipboard_text);
12275
12276     if (brush_width == 0 || brush_height == 0)
12277     {
12278       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12279
12280       return;
12281     }
12282
12283     if (copy_to_brush)
12284     {
12285       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12286       int mx, my;
12287
12288       SDL_GetMouseState(&mx, &my);
12289
12290       // if inside drawing area, activate and draw brush at last mouse position
12291       if (mx >= gi->x && mx < gi->x + gi->width &&
12292           my >= gi->y && my < gi->y + gi->height)
12293         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12294
12295       draw_with_brush = TRUE;
12296     }
12297     else
12298     {
12299       char request[100];
12300
12301       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12302               brush_width, brush_height);
12303
12304       if (!Request(request, REQ_ASK))
12305         return;
12306
12307       for (x = 0; x < MAX_LEV_FIELDX; x++)
12308         for (y = 0; y < MAX_LEV_FIELDY; y++)
12309           Tile[x][y] = brush_buffer[x][y];
12310
12311       lev_fieldx = level.fieldx = brush_width;
12312       lev_fieldy = level.fieldy = brush_height;
12313
12314       boolean use_em_engine = TRUE;
12315       boolean use_sp_engine = TRUE;
12316       boolean use_mm_engine = TRUE;
12317
12318       for (x = 0; x < MAX_LEV_FIELDX; x++)
12319       {
12320         for (y = 0; y < MAX_LEV_FIELDY; y++)
12321         {
12322           int element = Tile[x][y];
12323
12324           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12325             use_em_engine = FALSE;
12326
12327           if (!IS_SP_ELEMENT(element))
12328             use_sp_engine = FALSE;
12329
12330           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12331             use_mm_engine = FALSE;
12332         }
12333       }
12334
12335       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12336                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12337                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12338                                 GAME_ENGINE_TYPE_RND);
12339
12340       // update element selection list
12341       ReinitializeElementList();
12342       ModifyEditorElementList();
12343
12344       SetBorderElement();
12345
12346       DrawEditModeWindow();
12347       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12348     }
12349
12350     return;
12351   }
12352
12353   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12354     return;
12355
12356   if (mode == CB_AREA_TO_BRUSH)
12357   {
12358     int from_lx, from_ly;
12359
12360     if (from_x > to_x)
12361       swap_numbers(&from_x, &to_x);
12362
12363     if (from_y > to_y)
12364       swap_numbers(&from_y, &to_y);
12365
12366     brush_width = to_x - from_x + 1;
12367     brush_height = to_y - from_y + 1;
12368
12369     from_lx = from_x + level_xpos;
12370     from_ly = from_y + level_ypos;
12371
12372     for (y = 0; y < brush_height; y++)
12373     {
12374       for (x = 0; x < brush_width; x++)
12375       {
12376         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12377
12378         if (button != 1)
12379           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12380       }
12381     }
12382
12383     if (button != 1)
12384       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12385
12386     delete_old_brush = FALSE;
12387   }
12388   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12389            mode == CB_BRUSH_TO_LEVEL)
12390   {
12391     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12392     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12393     int cursor_from_x = cursor_x - brush_width / 2;
12394     int cursor_from_y = cursor_y - brush_height / 2;
12395     int border_from_x = cursor_x, border_from_y = cursor_y;
12396     int border_to_x = cursor_x, border_to_y = cursor_y;
12397
12398     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12399       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12400
12401     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12402         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12403     {
12404       delete_old_brush = FALSE;
12405
12406       return;
12407     }
12408
12409     for (y = 0; y < brush_height; y++)
12410     {
12411       for (x = 0; x < brush_width; x++)
12412       {
12413         int sx = cursor_from_x + x;
12414         int sy = cursor_from_y + y;
12415         int lx = sx + level_xpos;
12416         int ly = sy + level_ypos;
12417         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12418         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12419                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12420                        brush_buffer[x][y] : new_element);
12421
12422         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12423         {
12424           if (sx < border_from_x)
12425             border_from_x = sx;
12426           else if (sx > border_to_x)
12427             border_to_x = sx;
12428           if (sy < border_from_y)
12429             border_from_y = sy;
12430           else if (sy > border_to_y)
12431             border_to_y = sy;
12432
12433           DrawBrushElement(sx, sy, element, change_level);
12434         }
12435       }
12436     }
12437
12438     if (mode != CB_DELETE_OLD_CURSOR)
12439       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12440
12441     last_cursor_x = cursor_x;
12442     last_cursor_y = cursor_y;
12443
12444     delete_old_brush = TRUE;
12445   }
12446
12447   if (mode == CB_UPDATE_BRUSH_POSITION)
12448   {
12449     last_cursor_x = from_x;
12450     last_cursor_y = from_y;
12451   }
12452 }
12453
12454 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12455                             int button)
12456 {
12457   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12458 }
12459
12460 static void CopyBrushToLevel(int x, int y, int button)
12461 {
12462   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12463 }
12464
12465 static void CopyBrushToCursor(int x, int y)
12466 {
12467   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12468 }
12469
12470 static void UpdateBrushPosition(int x, int y)
12471 {
12472   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12473 }
12474
12475 static void DeleteBrushFromCursor(void)
12476 {
12477   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12478 }
12479
12480 void DumpBrush(void)
12481 {
12482   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12483 }
12484
12485 void DumpBrush_Small(void)
12486 {
12487   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12488 }
12489
12490 void CopyClipboardToBrush(void)
12491 {
12492   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12493 }
12494
12495 void CopyBrushToClipboard(void)
12496 {
12497   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12498 }
12499
12500 void CopyBrushToClipboard_Small(void)
12501 {
12502   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12503 }
12504
12505 void UndoLevelEditorOperation(void)
12506 {
12507   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12508 }
12509
12510 void RedoLevelEditorOperation(void)
12511 {
12512   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12513 }
12514
12515 static void FloodFill(int from_x, int from_y, int fill_element)
12516 {
12517   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12518 }
12519
12520 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12521 {
12522   int from_x = from_sx2 + 2 * level_xpos;
12523   int from_y = from_sy2 + 2 * level_ypos;
12524   int max_fillx = lev_fieldx * 2;
12525   int max_filly = lev_fieldy * 2;
12526   short Fill[max_fillx][max_filly];
12527   int x, y;
12528
12529   for (x = 0; x < max_fillx; x++)
12530     for (y = 0; y < max_filly; y++)
12531       Fill[x][y] = getLevelElementHiRes(x, y);
12532
12533   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12534                     Fill, max_fillx, max_filly);
12535
12536   for (x = 0; x < max_fillx; x++)
12537     for (y = 0; y < max_filly; y++)
12538       if (Fill[x][y] == fill_element)
12539         SetLevelElementHiRes(x, y, Fill[x][y]);
12540 }
12541
12542 // values for DrawLevelText() modes
12543 #define TEXT_INIT               0
12544 #define TEXT_SETCURSOR          1
12545 #define TEXT_WRITECHAR          2
12546 #define TEXT_BACKSPACE          3
12547 #define TEXT_NEWLINE            4
12548 #define TEXT_END                5
12549 #define TEXT_QUERY_TYPING       6
12550
12551 static int DrawLevelText(int sx, int sy, char letter, int mode)
12552 {
12553   static short delete_buffer[MAX_LEV_FIELDX];
12554   static int start_sx;
12555   static int last_sx, last_sy;
12556   static boolean typing = FALSE;
12557   int letter_element = EL_CHAR_ASCII0 + letter;
12558   int lx = 0, ly = 0;
12559
12560   // map lower case letters to upper case and convert special characters
12561   if (letter >= 'a' && letter <= 'z')
12562     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12563   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12564     letter_element = EL_CHAR_AUMLAUT;
12565   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12566     letter_element = EL_CHAR_OUMLAUT;
12567   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12568     letter_element = EL_CHAR_UUMLAUT;
12569   else if (letter == '^')
12570     letter_element = EL_CHAR_COPYRIGHT;
12571   else
12572     letter_element = EL_CHAR_ASCII0 + letter;
12573
12574   if (mode != TEXT_INIT)
12575   {
12576     if (!typing)
12577       return FALSE;
12578
12579     if (mode != TEXT_SETCURSOR)
12580     {
12581       sx = last_sx;
12582       sy = last_sy;
12583     }
12584
12585     lx = last_sx + level_xpos;
12586     ly = last_sy + level_ypos;
12587   }
12588
12589   switch (mode)
12590   {
12591     case TEXT_INIT:
12592       if (typing)
12593         DrawLevelText(0, 0, 0, TEXT_END);
12594
12595       typing = TRUE;
12596       start_sx = sx;
12597       last_sx = sx;
12598       last_sy = sy;
12599       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12600       break;
12601
12602     case TEXT_SETCURSOR:
12603       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12604       DrawAreaBorder(sx, sy, sx, sy);
12605       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12606                      ed_tilesize, ed_tilesize);
12607       last_sx = sx;
12608       last_sy = sy;
12609       break;
12610
12611     case TEXT_WRITECHAR:
12612       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12613       {
12614         if (new_element1 >= EL_STEEL_CHAR_START &&
12615             new_element1 <= EL_STEEL_CHAR_END)
12616           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12617
12618         delete_buffer[sx - start_sx] = Tile[lx][ly];
12619         Tile[lx][ly] = letter_element;
12620
12621         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12622           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12623         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12624           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12625         else
12626           DrawLevelText(0, 0, 0, TEXT_END);
12627
12628         level.changed = TRUE;
12629       }
12630       break;
12631
12632     case TEXT_BACKSPACE:
12633       if (sx > start_sx)
12634       {
12635         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12636         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12637         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12638       }
12639       break;
12640
12641     case TEXT_NEWLINE:
12642       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12643         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12644       else
12645         DrawLevelText(0, 0, 0, TEXT_END);
12646       break;
12647
12648     case TEXT_END:
12649       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12650       DrawEditorElement(sx, sy, Tile[lx][ly]);
12651       StopTextInput();
12652       typing = FALSE;
12653       break;
12654
12655     case TEXT_QUERY_TYPING:
12656       break;
12657
12658     default:
12659       break;
12660   }
12661
12662   return typing;
12663 }
12664
12665 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12666                           int element, boolean change_level)
12667 {
12668   int lx = sx + level_xpos;
12669   int ly = sy + level_ypos;
12670
12671   if (element == -1)
12672     DrawEditorElement(sx, sy, Tile[lx][ly]);
12673   else
12674     DrawAreaBorder(sx, sy, sx, sy);
12675 }
12676
12677 static void CheckLevelBorderElement(boolean redraw_playfield)
12678 {
12679   int last_border_element = BorderElement;
12680
12681   SetBorderElement();
12682
12683   if (redraw_playfield && BorderElement != last_border_element)
12684     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12685 }
12686
12687 static void CopyLevelToUndoBuffer(int mode)
12688 {
12689   static boolean accumulated_undo = FALSE;
12690   boolean new_undo_buffer_position = TRUE;
12691   int x, y;
12692
12693   if (undo_buffer_steps == 0)
12694     accumulated_undo = FALSE;
12695
12696   switch (mode)
12697   {
12698     case UNDO_IMMEDIATE:
12699       accumulated_undo = FALSE;
12700       break;
12701
12702     case UNDO_ACCUMULATE:
12703       if (accumulated_undo)
12704         new_undo_buffer_position = FALSE;
12705       accumulated_undo = TRUE;
12706       break;
12707
12708     default:
12709       break;
12710   }
12711
12712   if (new_undo_buffer_position)
12713   {
12714     // advance position in undo buffer ring
12715     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12716
12717     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12718       undo_buffer_steps++;
12719   }
12720
12721   // always reset redo buffer when storing level change into undo buffer
12722   redo_buffer_steps = 0;
12723
12724   for (x = 0; x < lev_fieldx; x++)
12725     for (y = 0; y < lev_fieldy; y++)
12726       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12727
12728   // check if drawing operation forces change of border style
12729   CheckLevelBorderElement(TRUE);
12730
12731   level.changed = TRUE;
12732 }
12733
12734 static void RandomPlacement(int new_element)
12735 {
12736   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12737   int num_free_positions = 0;
12738   int num_percentage, num_elements;
12739   int x, y;
12740
12741   ResetIntelliDraw();
12742
12743   // determine number of free positions for randomly placing the new element
12744   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12745   {
12746     free_position[x][y] =
12747       (random_placement_background_restricted ?
12748        Tile[x][y] == random_placement_background_element :
12749        Tile[x][y] != new_element);
12750
12751     if (free_position[x][y])
12752       num_free_positions++;
12753   }
12754
12755   // determine number of new elements to place there
12756   num_percentage = num_free_positions * random_placement_value / 100;
12757   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12758                   num_percentage : random_placement_value);
12759
12760   // if less free positions than elements to place, fill all these positions
12761   if (num_free_positions < num_elements)
12762   {
12763     for (x = 0; x < lev_fieldx; x++)
12764       for (y = 0; y < lev_fieldy; y++)
12765         if (free_position[x][y])
12766           SetElement(x, y, new_element);
12767   }
12768   else
12769   {
12770     while (num_elements > 0)
12771     {
12772       x = GetSimpleRandom(lev_fieldx);
12773       y = GetSimpleRandom(lev_fieldy);
12774
12775       // don't place element at the same position twice
12776       if (free_position[x][y])
12777       {
12778         free_position[x][y] = FALSE;
12779         SetElement(x, y, new_element);
12780         num_elements--;
12781       }
12782     }
12783   }
12784
12785   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12786   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12787 }
12788
12789 static void WrapLevel(int dx, int dy)
12790 {
12791   int wrap_dx = lev_fieldx - dx;
12792   int wrap_dy = lev_fieldy - dy;
12793   int x, y;
12794
12795   for (x = 0; x < lev_fieldx; x++)
12796     for (y = 0; y < lev_fieldy; y++)
12797       TileBackup[x][y] = Tile[x][y];
12798
12799   for (x = 0; x < lev_fieldx; x++)
12800     for (y = 0; y < lev_fieldy; y++)
12801       Tile[x][y] =
12802         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12803
12804   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12805   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12806 }
12807
12808 static void DrawAreaElementHighlight(boolean highlighted)
12809 {
12810   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12811
12812   if (!highlighted)
12813     return;
12814
12815   int x, y;
12816
12817   for (x = 0; x < ed_fieldx; x++)
12818   {
12819     for (y = 0; y < ed_fieldy; y++)
12820     {
12821       int lx = x + level_xpos;
12822       int ly = y + level_ypos;
12823
12824       if (!IN_LEV_FIELD(lx, ly))
12825         continue;
12826
12827       if (Tile[lx][ly] != new_element1)
12828         continue;
12829
12830       int sx = SX + x * ed_tilesize;
12831       int sy = SY + y * ed_tilesize;
12832       int from_sx = sx;
12833       int from_sy = sy;
12834       int to_sx = sx + ed_tilesize - 1;
12835       int to_sy = sy + ed_tilesize - 1;
12836
12837       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
12838       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
12839       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
12840       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
12841     }
12842   }
12843 }
12844
12845 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12846 {
12847   char *template_filename_old = getLocalLevelTemplateFilename();
12848   char *template_filename_new =
12849     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12850
12851   if (copyFile(template_filename_old, template_filename_new) != 0)
12852     Request("Cannot copy level template!", REQ_CONFIRM);
12853
12854   free(template_filename_new);
12855 }
12856
12857 static void HandleDrawingAreas(struct GadgetInfo *gi)
12858 {
12859   static boolean started_inside_drawing_area = FALSE;
12860   static int last_sx = -1, last_sy = -1;
12861   static int last_sx2 = -1, last_sy2 = -1;
12862   int id = gi->custom_id;
12863   int type_id = gi->custom_type_id;
12864   boolean button_press_event;
12865   boolean button_release_event;
12866   boolean inside_drawing_area = !gi->event.off_borders;
12867   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12868   int actual_drawing_function;
12869   int button = gi->event.button;
12870   int new_element = BUTTON_ELEMENT(button);
12871   int sx = gi->event.x, sy = gi->event.y;
12872   int min_sx = 0, min_sy = 0;
12873   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12874   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12875   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12876   int sx2 = gi->event.mx / mini_item_xsize;
12877   int sy2 = gi->event.my / mini_item_ysize;
12878   int dx = sx2 % 2;
12879   int dy = sy2 % 2;
12880   int lx = 0, ly = 0;
12881   int min_lx = 0, min_ly = 0;
12882   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12883   int x, y;
12884
12885   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12886   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12887
12888   // make sure to stay inside drawing area boundaries
12889   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12890   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12891
12892   if (draw_level)
12893   {
12894     // get positions inside level field
12895     lx = sx + level_xpos;
12896     ly = sy + level_ypos;
12897
12898     if (!IN_LEV_FIELD(lx, ly))
12899       inside_drawing_area = FALSE;
12900
12901     // make sure to stay inside level field boundaries
12902     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12903     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12904
12905     // correct drawing area positions accordingly
12906     sx = lx - level_xpos;
12907     sy = ly - level_ypos;
12908   }
12909
12910   // also correct MM wall-sized (double) drawing area positions accordingly
12911   if (sx2 / 2 < sx || sx2 / 2 > sx)
12912   {
12913     dx = (sx2 / 2 < sx ? 0 : 1);
12914     sx2 = sx * 2 + dx;
12915   }
12916   if (sy2 / 2 < sy || sy2 / 2 > sy)
12917   {
12918     dy = (sy2 / 2 < sy ? 0 : 1);
12919     sy2 = sy * 2 + dy;
12920   }
12921
12922   if (button_release_event)
12923   {
12924     last_sx = -1;
12925     last_sy = -1;
12926     last_sx2 = -1;
12927     last_sy2 = -1;
12928   }
12929   else if (!button_press_event)
12930   {
12931     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
12932     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12933                              isHiresTileElement(old_element) &&
12934                              isHiresDrawElement(new_element));
12935
12936     // prevent handling events for every pixel position when moving mouse
12937     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12938         (sx2 == last_sx2 && sy2 == last_sy2))
12939       return;
12940   }
12941
12942   last_sx = sx;
12943   last_sy = sy;
12944   last_sx2 = sx2;
12945   last_sy2 = sy2;
12946
12947   if (button_press_event)
12948     started_inside_drawing_area = inside_drawing_area;
12949
12950   if (!started_inside_drawing_area)
12951     return;
12952
12953   if (!IS_VALID_BUTTON(button))
12954     return;
12955
12956   if (!button && !button_release_event)
12957     return;
12958
12959   // handle info callback for each invocation of action callback
12960   gi->callback_info(gi);
12961
12962   // automatically switch to 'single item' drawing mode, if needed
12963   actual_drawing_function =
12964     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12965      drawing_function : GADGET_ID_SINGLE_ITEMS);
12966
12967   // clicking into drawing area with pressed Control key picks element
12968   if (GetKeyModState() & KMOD_Control)
12969   {
12970     last_drawing_function = drawing_function;
12971     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12972   }
12973
12974   if (GetKeyModState() & KMOD_Shift)
12975   {
12976     if (button_press_event || button_release_event)
12977       ResetIntelliDraw();
12978   }
12979
12980   SetDrawModeHiRes(-1);         // reset to normal draw mode
12981
12982   switch (actual_drawing_function)
12983   {
12984     case GADGET_ID_SINGLE_ITEMS:
12985       if (draw_level)
12986       {
12987         if (button_release_event)
12988         {
12989           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12990
12991           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12992               !inside_drawing_area)
12993             DeleteBrushFromCursor();
12994         }
12995
12996         if (!button || button_release_event)
12997           break;
12998
12999         if (draw_with_brush)
13000         {
13001           CopyBrushToLevel(sx, sy, button);
13002         }
13003         else
13004         {
13005           SetDrawModeHiRes(new_element);
13006
13007           if (IS_PLAYER_ELEMENT(new_element))
13008           {
13009             // remove player at old position
13010             for (y = 0; y < lev_fieldy; y++)
13011             {
13012               for (x = 0; x < lev_fieldx; x++)
13013               {
13014                 int old_element = Tile[x][y];
13015
13016                 if (IS_PLAYER_ELEMENT(old_element))
13017                 {
13018                   int replaced_with_element =
13019                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13020                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13021
13022                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13023                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13024
13025                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13026                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13027
13028                      new_element >= EL_PLAYER_1 &&
13029                      new_element <= EL_PLAYER_4 &&
13030                      new_element == old_element ? EL_EMPTY :
13031
13032                      old_element);
13033
13034                   SetElement(x, y, replaced_with_element);
13035                 }
13036               }
13037             }
13038           }
13039
13040           SetElementButton(lx, ly, dx, dy, new_element, button);
13041         }
13042       }
13043       else if (!button_release_event)
13044       {
13045         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13046
13047         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13048           DrawMiniGraphicExt(drawto,
13049                              gi->x + sx * MINI_TILEX,
13050                              gi->y + sy * MINI_TILEY,
13051                              el2edimg(new_element));
13052         else
13053           DrawFixedGraphicExt(drawto,
13054                               gi->x + sx * TILEX,
13055                               gi->y + sy * TILEY,
13056                               el2edimg(new_element), 0);
13057
13058         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13059           new_element = GFX_ELEMENT(new_element);
13060
13061         drawingarea_info[type_id].value[pos] = new_element;
13062
13063         CopyElementPropertiesToGame(properties_element);
13064
13065         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13066         {
13067           UpdateCustomElementGraphicGadgets();
13068
13069           FrameCounter = 0;     // restart animation frame counter
13070         }
13071       }
13072       break;
13073
13074     case GADGET_ID_CONNECTED_ITEMS:
13075       {
13076         static int last_sx = -1;
13077         static int last_sy = -1;
13078
13079         if (button_release_event)
13080           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13081
13082         if (button)
13083         {
13084           SetDrawModeHiRes(new_element);
13085
13086           if (getDrawModeHiRes())
13087           {
13088             sx = sx2;
13089             sy = sy2;
13090           }
13091
13092           if (!button_press_event)
13093             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13094
13095           last_sx = sx;
13096           last_sy = sy;
13097         }
13098       }
13099       break;
13100
13101     case GADGET_ID_LINE:
13102     case GADGET_ID_ARC:
13103     case GADGET_ID_RECTANGLE:
13104     case GADGET_ID_FILLED_BOX:
13105       SetDrawModeHiRes(new_element);
13106
13107       if (getDrawModeHiRes())
13108       {
13109         sx = sx2;
13110         sy = sy2;
13111       }
13112       // FALLTHROUGH
13113     case GADGET_ID_GRAB_BRUSH:
13114     case GADGET_ID_TEXT:
13115       {
13116         static int last_sx = -1;
13117         static int last_sy = -1;
13118         static int start_sx = -1;
13119         static int start_sy = -1;
13120         void (*draw_func)(int, int, int, int, int, boolean);
13121
13122         if (drawing_function == GADGET_ID_LINE)
13123           draw_func = DrawLine;
13124         else if (drawing_function == GADGET_ID_ARC)
13125           draw_func = DrawArc;
13126         else if (drawing_function == GADGET_ID_RECTANGLE)
13127           draw_func = DrawBox;
13128         else if (drawing_function == GADGET_ID_FILLED_BOX)
13129           draw_func = DrawFilledBox;
13130         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13131           draw_func = SelectArea;
13132         else // (drawing_function == GADGET_ID_TEXT)
13133           draw_func = SetTextCursor;
13134
13135         if (button_press_event)
13136         {
13137           draw_func(sx, sy, sx, sy, new_element, FALSE);
13138           start_sx = last_sx = sx;
13139           start_sy = last_sy = sy;
13140
13141           if (drawing_function == GADGET_ID_TEXT)
13142             DrawLevelText(0, 0, 0, TEXT_END);
13143         }
13144         else if (button_release_event)
13145         {
13146           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13147           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13148           {
13149             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13150             CopyBrushToCursor(sx, sy);
13151             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13152                           MB_LEFTBUTTON);
13153             draw_with_brush = TRUE;
13154           }
13155           else if (drawing_function == GADGET_ID_TEXT)
13156             DrawLevelText(sx, sy, 0, TEXT_INIT);
13157           else
13158             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13159         }
13160         else if (last_sx != sx || last_sy != sy)
13161         {
13162           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13163           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13164             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13165           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13166           last_sx = sx;
13167           last_sy = sy;
13168         }
13169       }
13170       break;
13171
13172     case GADGET_ID_FLOOD_FILL:
13173       if (button_press_event && Tile[lx][ly] != new_element)
13174       {
13175         if (IS_MM_WALL_EDITOR(new_element))
13176           FloodFillWall_MM(sx2, sy2, new_element);
13177         else
13178           FloodFill(lx, ly, new_element);
13179
13180         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13181         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13182       }
13183       break;
13184
13185     case GADGET_ID_PICK_ELEMENT:
13186       if (button_release_event)
13187         ClickOnGadget(level_editor_gadget[last_drawing_function],
13188                       MB_LEFTBUTTON);
13189       else if (draw_level)
13190         PickDrawingElement(button, Tile[lx][ly]);
13191       else
13192       {
13193         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13194
13195         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13196       }
13197
13198     default:
13199       break;
13200   }
13201
13202   // do not mark level as modified for certain non-level-changing gadgets
13203   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13204        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13205       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13206       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13207     return;
13208
13209   level.changed = TRUE;
13210 }
13211
13212 static void HandleCounterButtons(struct GadgetInfo *gi)
13213 {
13214   int gadget_id = gi->custom_id;
13215   int counter_id = gi->custom_type_id;
13216   int button = gi->event.button;
13217   int *counter_value = counterbutton_info[counter_id].value;
13218   int step = BUTTON_STEPSIZE(button) *
13219     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13220
13221   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13222   {
13223     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13224     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13225     boolean level_changed = LevelChanged();
13226
13227     if ((level_changed && pressed) || (!level_changed && released))
13228       return;
13229
13230     if (level_changed && !Request("Level has changed! Discard changes?",
13231                                   REQ_ASK))
13232     {
13233       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13234         ModifyEditorCounterValue(counter_id, *counter_value);
13235
13236       return;
13237     }
13238   }
13239
13240   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13241     *counter_value = gi->textinput.number_value;
13242   else
13243     ModifyEditorCounterValue(counter_id, *counter_value + step);
13244
13245   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13246   {
13247     int last_game_engine_type = level.game_engine_type;
13248
13249     LoadLevel(level_nr);
13250     LoadScore(level_nr);
13251
13252     SaveLevelSetup_SeriesInfo();
13253
13254     TapeErase();
13255
13256     ResetUndoBuffer();
13257     DrawEditModeWindow();
13258
13259     if (level.game_engine_type != last_game_engine_type)
13260     {
13261       // update element selection list
13262       ReinitializeElementList();
13263       ModifyEditorElementList();
13264     }
13265
13266     return;
13267   }
13268
13269   switch (counter_id)
13270   {
13271     case ED_COUNTER_ID_YAMYAM_CONTENT:
13272       DrawYamYamContentAreas();
13273       break;
13274
13275     case ED_COUNTER_ID_BALL_CONTENT:
13276       DrawMagicBallContentAreas();
13277       break;
13278
13279     case ED_COUNTER_ID_ANDROID_CONTENT:
13280       DrawAndroidElementArea(properties_element);
13281       break;
13282
13283     case ED_COUNTER_ID_GROUP_CONTENT:
13284       DrawGroupElementArea(properties_element);
13285       CopyGroupElementPropertiesToGame(properties_element);
13286       break;
13287
13288     case ED_COUNTER_ID_INVENTORY_SIZE:
13289       DrawPlayerInitialInventoryArea(properties_element);
13290       break;
13291
13292     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13293     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13294       DrawEnvelopeTextArea(-1);
13295       break;
13296
13297     case ED_COUNTER_ID_LEVEL_XSIZE:
13298     case ED_COUNTER_ID_LEVEL_YSIZE:
13299       lev_fieldx = level.fieldx;
13300       lev_fieldy = level.fieldy;
13301
13302       // check if resizing of level results in change of border border
13303       SetBorderElement();
13304
13305       break;
13306
13307     default:
13308       break;
13309   }
13310
13311   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13312        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13313       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13314        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13315     CopyElementPropertiesToGame(properties_element);
13316
13317   // do not mark level as modified for certain non-level-changing gadgets
13318   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13319        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13320       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13321        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13322     return;
13323
13324   level.changed = TRUE;
13325 }
13326
13327 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13328 {
13329   int type_id = gi->custom_type_id;
13330
13331   strcpy(textinput_info[type_id].value, gi->textinput.value);
13332
13333   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13334   {
13335     CopyElementPropertiesToGame(properties_element);
13336
13337     ModifyEditorElementList();  // update changed button info text
13338   }
13339
13340   // do not mark level as modified for certain non-level-changing gadgets
13341   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13342       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13343     return;
13344
13345   level.changed = TRUE;
13346 }
13347
13348 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13349 {
13350   int type_id = gi->custom_type_id;
13351
13352   strncpy(textarea_info[type_id].value, gi->textarea.value,
13353           MAX_ENVELOPE_TEXT_LEN);
13354   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13355
13356   level.changed = TRUE;
13357 }
13358
13359 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13360 {
13361   int type_id = gi->custom_type_id;
13362   int value_old = *selectbox_info[type_id].value;
13363   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13364
13365   *selectbox_info[type_id].value = value_new;
13366
13367   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13368   {
13369     DrawLevelInfoWindow();
13370   }
13371   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13372   {
13373     element_info[properties_element].current_change_page = gi->selectbox.index;
13374
13375     DrawPropertiesWindow();
13376   }
13377   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13378             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13379            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13380             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13381            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13382   {
13383     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13384     {
13385       // when changing action type, also check action mode and action arg
13386       if (value_old != value_new)
13387         setSelectboxSpecialActionVariablesIfNeeded();
13388
13389       DrawPropertiesChange();
13390     }
13391
13392     CopyElementPropertiesToGame(properties_element);
13393   }
13394   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13395   {
13396     // update element selection list
13397     ReinitializeElementList();
13398     ModifyEditorElementList();
13399   }
13400
13401   // do not mark level as modified for certain non-level-changing gadgets
13402   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13403       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13404     return;
13405
13406   level.changed = TRUE;
13407 }
13408
13409 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13410 {
13411   int type_id = gi->custom_type_id;
13412   int i;
13413
13414   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13415       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13416   {
13417     edit_mode_levelinfo = gi->custom_type_id;
13418
13419     DrawLevelInfoWindow();
13420   }
13421   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13422            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13423   {
13424     edit_mode_properties = gi->custom_type_id;
13425
13426     DrawPropertiesWindow();
13427   }
13428   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13429            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13430   {
13431     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13432
13433     // backup original "level.field" (needed to track playfield changes)
13434     CopyPlayfield(level.field, TileBackup);
13435
13436     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13437     CopyPlayfield(Tile, level.field);
13438
13439     if (new_template ||
13440         Request("Save this template and kill the old?", REQ_ASK))
13441       SaveLevelTemplate();
13442
13443     if (new_template)
13444       Request("Template saved!", REQ_CONFIRM);
13445
13446     // restore original "level.field" (needed to track playfield changes)
13447     CopyPlayfield(TileBackup, level.field);
13448   }
13449   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13450   {
13451     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13452
13453     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13454         leveldir_current->readonly)
13455     {
13456       Request("This level set is read-only!", REQ_CONFIRM);
13457
13458       return;
13459     }
13460
13461     if (strEqual(levelset_name, ""))
13462     {
13463       Request("Please enter level set title!", REQ_CONFIRM);
13464
13465       return;
13466     }
13467
13468     if (strEqual(levelset_author, ""))
13469     {
13470       Request("Please enter level set author!", REQ_CONFIRM);
13471
13472       return;
13473     }
13474
13475     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13476     {
13477       if (UpdateUserLevelSet(levelset_subdir,
13478                              levelset_name,
13479                              levelset_author,
13480                              levelset_num_levels))
13481       {
13482         Request("Level set updated!", REQ_CONFIRM);
13483       }
13484       else
13485       {
13486         Request("Updating level set failed!", REQ_CONFIRM);
13487       }
13488     }
13489     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13490     {
13491       if (level.changed && !Request("Level has changed! Discard changes?",
13492                                      REQ_ASK))
13493         return;
13494
13495       if (CreateUserLevelSet(levelset_subdir,
13496                              levelset_name,
13497                              levelset_author,
13498                              levelset_num_levels,
13499                              levelset_use_levelset_artwork))
13500       {
13501         if (levelset_copy_level_template)
13502           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13503
13504         Request("New level set created!", REQ_CONFIRM);
13505
13506         AddUserLevelSetToLevelInfo(levelset_subdir);
13507         ChangeEditorToLevelSet(levelset_subdir);
13508       }
13509       else
13510       {
13511         Request("Creating new level set failed!", REQ_CONFIRM);
13512       }
13513     }
13514   }
13515   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13516            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13517   {
13518     struct ElementInfo *ei = &element_info[properties_element];
13519
13520     // when modifying custom element, ask for copying level template
13521     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13522       return;
13523
13524     setElementChangePages(ei, ei->num_change_pages + 1);
13525
13526     // set new change page to be new current change page
13527     ei->current_change_page = ei->num_change_pages - 1;
13528     ei->change = &ei->change_page[ei->current_change_page];
13529
13530     setElementChangeInfoToDefaults(ei->change);
13531
13532     DrawPropertiesWindow();
13533
13534     level.changed = TRUE;
13535   }
13536   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13537            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13538   {
13539     struct ElementInfo *ei = &element_info[properties_element];
13540
13541     // when modifying custom element, ask for copying level template
13542     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13543       return;
13544
13545     // copy all change pages after change page to be deleted
13546     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13547       ei->change_page[i] = ei->change_page[i + 1];
13548
13549     setElementChangePages(ei, ei->num_change_pages - 1);
13550
13551     DrawPropertiesWindow();
13552
13553     level.changed = TRUE;
13554   }
13555 }
13556
13557 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13558 {
13559   int type_id = gi->custom_type_id;
13560
13561   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13562       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13563   {
13564     struct ElementInfo *ei = &element_info[properties_element];
13565     int step = BUTTON_STEPSIZE(gi->event.button);
13566
13567     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13568     ei->current_change_page += step;
13569
13570     if (ei->current_change_page < 0)
13571       ei->current_change_page = 0;
13572     else if (ei->current_change_page >= ei->num_change_pages)
13573       ei->current_change_page = ei->num_change_pages - 1;
13574
13575     DrawPropertiesWindow();
13576   }
13577   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13578            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13579   {
13580     struct ElementInfo *ei = &element_info[properties_element];
13581     int current_change_page = ei->current_change_page;
13582
13583     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13584     {
13585       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13586         ei->change_page[current_change_page];
13587     }
13588     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13589     {
13590       // when modifying custom element, ask for copying level template
13591       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13592         return;
13593
13594       ei->change_page[current_change_page] =
13595         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13596
13597       level.changed = TRUE;
13598     }
13599
13600     DrawPropertiesWindow();
13601   }
13602 }
13603
13604 static void HandleRadiobuttons(struct GadgetInfo *gi)
13605 {
13606   int type_id = gi->custom_type_id;
13607
13608   *radiobutton_info[type_id].value =
13609     radiobutton_info[type_id].checked_value;
13610
13611   // do not mark level as modified for certain non-level-changing gadgets
13612   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13613       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13614     return;
13615
13616   level.changed = TRUE;
13617 }
13618
13619 static void HandleCheckbuttons(struct GadgetInfo *gi)
13620 {
13621   int type_id = gi->custom_type_id;
13622
13623   *checkbutton_info[type_id].value ^= TRUE;
13624
13625   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13626       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13627       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13628       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13629          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13630         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13631          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13632        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13633   {
13634     CopyElementPropertiesToGame(properties_element);
13635   }
13636
13637   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13638   {
13639     UpdateCustomElementGraphicGadgets();
13640   }
13641   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13642            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13643   {
13644     boolean template_related_changes_found = FALSE;
13645     int i;
13646
13647     // check if any custom or group elements have been changed
13648     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13649       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13650           element_info[i].modified_settings)
13651         template_related_changes_found = TRUE;
13652
13653     if (level.use_custom_template &&
13654         !fileExists(getGlobalLevelTemplateFilename()))
13655     {
13656       Request("No level template found!", REQ_CONFIRM);
13657
13658       level.use_custom_template = FALSE;
13659
13660       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13661
13662       return;
13663     }
13664
13665     if (level.use_custom_template &&
13666         template_related_changes_found &&
13667         !Request("Discard changes and use level template?", REQ_ASK))
13668     {
13669       level.use_custom_template = FALSE;
13670
13671       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13672
13673       return;
13674     }
13675
13676     if (!level.use_custom_template &&
13677         Request("Copy settings from level template?", REQ_ASK))
13678     {
13679       return;
13680     }
13681
13682     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13683
13684     DrawEditModeWindow();
13685   }
13686   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13687   {
13688     if (setup.editor.use_template_for_new_levels &&
13689         !fileExists(getGlobalLevelTemplateFilename()))
13690     {
13691       Request("No level template found!", REQ_CONFIRM);
13692
13693       return;
13694     }
13695
13696     if (setup.editor.use_template_for_new_levels &&
13697         level.changed &&
13698         !Request("Discard level and load template?", REQ_ASK))
13699     {
13700       return;
13701     }
13702
13703     if (!setup.editor.use_template_for_new_levels &&
13704         level.changed &&
13705         !Request("Discard level and use empty level?", REQ_ASK))
13706     {
13707       return;
13708     }
13709
13710     LoadLevel(level_nr);
13711     LoadScore(level_nr);
13712
13713     TapeErase();
13714
13715     ResetUndoBuffer();
13716     DrawEditModeWindow();
13717   }
13718   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13719   {
13720     SetAutomaticNumberOfGemsNeeded();
13721   }
13722
13723   // do not mark level as modified for certain non-level-changing gadgets
13724   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13725        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13726       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13727        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13728        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13729       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13730     return;
13731
13732   level.changed = TRUE;
13733 }
13734
13735 static void HandleControlButtons(struct GadgetInfo *gi)
13736 {
13737   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13738   static int last_edit_mode = ED_MODE_DRAWING;
13739   static int last_custom_copy_mode = -1;
13740   static int last_button = 0;
13741   int id = gi->custom_id;
13742   int button = gi->event.button;
13743   int step = BUTTON_STEPSIZE(button);
13744   int new_element = BUTTON_ELEMENT(button);
13745   int last_properties_element = properties_element;
13746   int x, y;
13747
13748   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13749     DrawLevelText(0, 0, 0, TEXT_END);
13750
13751   if (id < ED_NUM_CTRL1_BUTTONS &&
13752       id != GADGET_ID_SINGLE_ITEMS &&
13753       id != GADGET_ID_PICK_ELEMENT &&
13754       edit_mode != ED_MODE_DRAWING &&
13755       drawing_function != GADGET_ID_PICK_ELEMENT &&
13756       !(GetKeyModState() & KMOD_Control))
13757     ChangeEditModeWindow(ED_MODE_DRAWING);
13758
13759   // element copy mode active, but no element button pressed => deactivate
13760   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13761     last_custom_copy_mode = -1;
13762
13763   // when showing palette on element buttons, change element of button used
13764   if (editor.palette.show_on_element_buttons &&
13765       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13766   {
13767     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13768
13769     id = GADGET_ID_PALETTE;
13770   }
13771
13772   switch (id)
13773   {
13774     case GADGET_ID_SCROLL_LEFT:
13775       if (level_xpos >= 0)
13776       {
13777         if (lev_fieldx < ed_fieldx - 2)
13778           break;
13779
13780         level_xpos -= step;
13781         if (level_xpos < -1)
13782           level_xpos = -1;
13783         if (button == 1)
13784           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13785         else
13786           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13787
13788         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13789                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13790       }
13791       break;
13792
13793     case GADGET_ID_SCROLL_RIGHT:
13794       if (level_xpos <= lev_fieldx - ed_fieldx)
13795       {
13796         if (lev_fieldx < ed_fieldx - 2)
13797           break;
13798
13799         level_xpos += step;
13800         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13801           level_xpos = lev_fieldx - ed_fieldx + 1;
13802         if (button == 1)
13803           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13804         else
13805           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13806
13807         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13808                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13809       }
13810       break;
13811
13812     case GADGET_ID_SCROLL_UP:
13813       if (level_ypos >= 0)
13814       {
13815         if (lev_fieldy < ed_fieldy - 2)
13816           break;
13817
13818         level_ypos -= step;
13819         if (level_ypos < -1)
13820           level_ypos = -1;
13821         if (button == 1)
13822           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13823         else
13824           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13825
13826         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13827                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13828       }
13829       break;
13830
13831     case GADGET_ID_SCROLL_DOWN:
13832       if (level_ypos <= lev_fieldy - ed_fieldy)
13833       {
13834         if (lev_fieldy < ed_fieldy - 2)
13835           break;
13836
13837         level_ypos += step;
13838         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13839           level_ypos = lev_fieldy - ed_fieldy + 1;
13840         if (button == 1)
13841           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13842         else
13843           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13844
13845         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13846                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13847       }
13848       break;
13849
13850     case GADGET_ID_SCROLL_HORIZONTAL:
13851       level_xpos = gi->event.item_position - 1;
13852
13853       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13854       BackToFront();
13855
13856       break;
13857
13858     case GADGET_ID_SCROLL_VERTICAL:
13859       level_ypos = gi->event.item_position - 1;
13860
13861       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13862       BackToFront();
13863
13864       break;
13865
13866     case GADGET_ID_SCROLL_LIST_UP:
13867     case GADGET_ID_SCROLL_LIST_DOWN:
13868     case GADGET_ID_SCROLL_LIST_VERTICAL:
13869       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13870         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13871       else
13872       {
13873         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13874         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13875
13876         if (element_shift < 0)
13877           element_shift = 0;
13878         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13879           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13880
13881         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13882                      GDI_SCROLLBAR_ITEM_POSITION,
13883                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13884       }
13885
13886       ModifyEditorElementList();
13887
13888       break;
13889
13890     case GADGET_ID_PROPERTIES:
13891       // always switch off element properties when they are already displayed
13892       last_properties_element = new_element;
13893     case GADGET_ID_ELEMENT_LEFT:
13894     case GADGET_ID_ELEMENT_MIDDLE:
13895     case GADGET_ID_ELEMENT_RIGHT:
13896       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13897                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13898                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13899                             new_element);
13900
13901       if (edit_mode != ED_MODE_PROPERTIES)
13902       {
13903         last_edit_mode = edit_mode;
13904
13905         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13906
13907         last_level_drawing_function = drawing_function;
13908         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13909                       MB_LEFTBUTTON);
13910       }
13911       else if (properties_element != last_properties_element)
13912       {
13913         DrawEditModeWindow();
13914       }
13915       else
13916       {
13917         ChangeEditModeWindow(ED_MODE_DRAWING);
13918
13919         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13920                       MB_LEFTBUTTON);
13921       }
13922       break;
13923
13924     case GADGET_ID_PALETTE:
13925       if (edit_mode != ED_MODE_PALETTE)
13926       {
13927         last_edit_mode = edit_mode;
13928
13929         ChangeEditModeWindow(ED_MODE_PALETTE);
13930       }
13931       else
13932       {
13933         ChangeEditModeWindow(last_edit_mode);
13934       }
13935       break;
13936
13937     case GADGET_ID_WRAP_LEFT:
13938       WrapLevel(-step, 0);
13939       break;
13940
13941     case GADGET_ID_WRAP_RIGHT:
13942       WrapLevel(step, 0);
13943       break;
13944
13945     case GADGET_ID_WRAP_UP:
13946       WrapLevel(0, -step);
13947       break;
13948
13949     case GADGET_ID_WRAP_DOWN:
13950       WrapLevel(0, step);
13951       break;
13952
13953     case GADGET_ID_SINGLE_ITEMS:
13954     case GADGET_ID_CONNECTED_ITEMS:
13955     case GADGET_ID_LINE:
13956     case GADGET_ID_ARC:
13957     case GADGET_ID_TEXT:
13958     case GADGET_ID_RECTANGLE:
13959     case GADGET_ID_FILLED_BOX:
13960     case GADGET_ID_FLOOD_FILL:
13961     case GADGET_ID_GRAB_BRUSH:
13962     case GADGET_ID_PICK_ELEMENT:
13963       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13964         last_drawing_function = drawing_function;
13965       drawing_function = id;
13966       draw_with_brush = FALSE;
13967       break;
13968
13969     case GADGET_ID_RANDOM_PLACEMENT:
13970       RandomPlacement(new_element);
13971       break;
13972
13973     case GADGET_ID_ZOOM:
13974       // zoom level editor tile size in or out (or reset to default size)
13975       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13976                      button == 2 ? ed_tilesize_default :
13977                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13978
13979       // when using touch device, cycle through all zoom tilesizes
13980       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
13981         ed_tilesize = MICRO_TILESIZE;
13982
13983       // limit zoom level by upper and lower bound
13984       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13985
13986       InitZoomLevelSettings(ed_tilesize);
13987
13988       if (edit_mode == ED_MODE_DRAWING)
13989       {
13990         DrawDrawingWindow();
13991
13992         // redraw zoom gadget info text
13993         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13994       }
13995
13996       // save current editor zoom tilesize
13997       SaveSetup_AutoSetup();
13998
13999       break;
14000
14001     case GADGET_ID_CUSTOM_COPY_FROM:
14002     case GADGET_ID_CUSTOM_COPY_TO:
14003     case GADGET_ID_CUSTOM_EXCHANGE:
14004       last_custom_copy_mode = id;
14005       last_drawing_function = drawing_function;
14006       break;
14007
14008     case GADGET_ID_CUSTOM_COPY:
14009       CopyCustomElement(properties_element, -1, id);
14010       break;
14011
14012     case GADGET_ID_CUSTOM_PASTE:
14013       CopyCustomElement(-1, properties_element, id);
14014       break;
14015
14016     case GADGET_ID_UNDO:
14017       if (button < 0)   // keep button value (even if modifier keys are pressed)
14018         button = -button;
14019       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14020         button = 3;
14021
14022       if (button == 1 && undo_buffer_steps == 0)
14023       {
14024         Request("Undo buffer empty!", REQ_CONFIRM);
14025
14026         break;
14027       }
14028       else if (button == 2)
14029       {
14030         break;
14031       }
14032       else if (button == 3 && redo_buffer_steps == 0)
14033       {
14034         Request("Redo buffer empty!", REQ_CONFIRM);
14035
14036         break;
14037       }
14038
14039       if (edit_mode != ED_MODE_DRAWING)
14040         ChangeEditModeWindow(ED_MODE_DRAWING);
14041
14042       if (button == 1)
14043       {
14044         // undo
14045
14046         undo_buffer_position =
14047           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14048
14049         undo_buffer_steps--;
14050         redo_buffer_steps++;
14051       }
14052       else
14053       {
14054         // redo
14055
14056         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14057
14058         undo_buffer_steps++;
14059         redo_buffer_steps--;
14060       }
14061
14062       for (x = 0; x < lev_fieldx; x++)
14063         for (y = 0; y < lev_fieldy; y++)
14064           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14065
14066       // check if undo operation forces change of border style
14067       CheckLevelBorderElement(FALSE);
14068
14069       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14070
14071       break;
14072
14073     case GADGET_ID_INFO:
14074       if (edit_mode != ED_MODE_INFO)
14075       {
14076         last_edit_mode = edit_mode;
14077
14078         ChangeEditModeWindow(ED_MODE_INFO);
14079       }
14080       else
14081       {
14082         ChangeEditModeWindow(ED_MODE_DRAWING);
14083       }
14084       break;
14085
14086     case GADGET_ID_CLEAR:
14087       if (edit_mode != ED_MODE_DRAWING)
14088         ChangeEditModeWindow(ED_MODE_DRAWING);
14089
14090       for (x = 0; x < MAX_LEV_FIELDX; x++)
14091         for (y = 0; y < MAX_LEV_FIELDY; y++)
14092           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14093
14094       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14095
14096       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14097       break;
14098
14099     case GADGET_ID_SAVE:
14100     {
14101       // saving read-only levels into personal level set modifies global vars
14102       // "leveldir_current" and "level_nr"; restore them after saving level
14103       LevelDirTree *leveldir_former = leveldir_current;
14104       int level_nr_former = level_nr;
14105       char *level_filename;
14106       boolean new_level;
14107
14108       if (leveldir_current->readonly &&
14109           !PrepareSavingIntoPersonalLevelSet())
14110         break;
14111
14112       level_filename = getDefaultLevelFilename(level_nr);
14113       new_level = !fileExists(level_filename);
14114
14115       if (new_level ||
14116           Request("Save this level and kill the old?", REQ_ASK))
14117       {
14118         if (leveldir_former->readonly)
14119           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14120
14121         SetAutomaticNumberOfGemsNeeded();
14122
14123         CopyPlayfield(Tile, level.field);
14124         SaveLevel(level_nr);
14125
14126         level.changed = FALSE;
14127
14128         if (new_level)
14129         {
14130           char level_saved_msg[64];
14131
14132           if (leveldir_former->readonly)
14133             sprintf(level_saved_msg,
14134                     "Level saved as level %d into personal level set!",
14135                     level_nr);
14136           else
14137             strcpy(level_saved_msg, "Level saved!");
14138
14139           Request(level_saved_msg, REQ_CONFIRM);
14140         }
14141       }
14142
14143       // "cd" back to copied-from levelset (in case of saved read-only level)
14144       leveldir_current = leveldir_former;
14145       level_nr = level_nr_former;
14146
14147       break;
14148     }
14149
14150     case GADGET_ID_TEST:
14151       if (LevelChanged())
14152         level.game_version = GAME_VERSION_ACTUAL;
14153
14154       CopyPlayfield(level.field, TileBackup);
14155       CopyPlayfield(Tile, level.field);
14156
14157       CopyNativeLevel_RND_to_Native(&level);
14158
14159       UnmapLevelEditorGadgets();
14160       UndrawSpecialEditorDoor();
14161
14162       CloseDoor(DOOR_CLOSE_ALL);
14163
14164       // needed before playing if editor playfield area has different size
14165       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14166
14167       // redraw_mask = REDRAW_ALL;
14168
14169       level_editor_test_game = TRUE;
14170
14171       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14172
14173       break;
14174
14175     case GADGET_ID_EXIT:
14176       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14177       break;
14178
14179     default:
14180       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14181           id <= GADGET_ID_ELEMENTLIST_LAST)
14182       {
14183         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14184         int new_element = editor_elements[element_position + element_shift];
14185
14186         if (IS_EDITOR_CASCADE(new_element))
14187         {
14188           int i;
14189
14190           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14191           {
14192             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14193             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14194
14195             if (*cascade_element == new_element)
14196             {
14197               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14198               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14199
14200               // update element selection list
14201               ReinitializeElementList();
14202               ModifyEditorElementList();
14203
14204               // update cascading gadget info text
14205               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14206
14207               // save current editor cascading state
14208               SaveSetup_EditorCascade();
14209
14210               break;
14211             }
14212           }
14213
14214           break;
14215         }
14216
14217         if (last_custom_copy_mode != -1)
14218         {
14219           if (CopyCustomElement(properties_element, new_element,
14220                                 last_custom_copy_mode))
14221           {
14222             ClickOnGadget(level_editor_gadget[last_drawing_function],
14223                           MB_LEFTBUTTON);
14224
14225             last_custom_copy_mode = -1;
14226           }
14227
14228           break;
14229         }
14230
14231         // change element of button used to show palette
14232         if (editor.palette.show_on_element_buttons)
14233           button = last_button;
14234
14235         PickDrawingElement(button, new_element);
14236
14237         if (!stick_element_properties_window &&
14238             drawing_function != GADGET_ID_PICK_ELEMENT &&
14239             !(GetKeyModState() & KMOD_Control))
14240         {
14241           properties_element = new_element;
14242           if (edit_mode == ED_MODE_PROPERTIES)
14243             DrawPropertiesWindow();
14244         }
14245
14246         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14247           ClickOnGadget(level_editor_gadget[last_drawing_function],
14248                         MB_LEFTBUTTON);
14249
14250         if (!use_permanent_palette)
14251           ChangeEditModeWindow(last_edit_mode);
14252       }
14253 #ifdef DEBUG
14254       else if (gi->event.type == GD_EVENT_PRESSED)
14255         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14256       else if (gi->event.type == GD_EVENT_RELEASED)
14257         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14258       else if (gi->event.type == GD_EVENT_MOVING)
14259         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14260       else
14261         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14262 #endif
14263       break;
14264   }
14265 }
14266
14267 void HandleLevelEditorKeyInput(Key key)
14268 {
14269   char letter = getCharFromKey(key);
14270
14271   if (drawing_function == GADGET_ID_TEXT &&
14272       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14273   {
14274     if (letter)
14275       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14276     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14277       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14278     else if (key == KSYM_Return)
14279       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14280     else if (key == KSYM_Escape)
14281       DrawLevelText(0, 0, 0, TEXT_END);
14282
14283     return;
14284   }
14285
14286   int id = GADGET_ID_NONE;
14287   int new_element_shift = element_shift;
14288   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14289   int button = MB_LEFTBUTTON;
14290   int i;
14291
14292   switch (key)
14293   {
14294     case KSYM_Left:
14295       id = GADGET_ID_SCROLL_LEFT;
14296       break;
14297     case KSYM_Right:
14298       id = GADGET_ID_SCROLL_RIGHT;
14299       break;
14300     case KSYM_Up:
14301       id = GADGET_ID_SCROLL_UP;
14302       break;
14303     case KSYM_Down:
14304       id = GADGET_ID_SCROLL_DOWN;
14305       break;
14306
14307     case KSYM_Page_Up:
14308     case KSYM_Page_Down:
14309       step *= (key == KSYM_Page_Up ? -1 : +1);
14310       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14311
14312       if (element_shift < 0)
14313         element_shift = 0;
14314       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14315         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14316
14317       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14318                    GDI_SCROLLBAR_ITEM_POSITION,
14319                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14320
14321       ModifyEditorElementList();
14322
14323       break;
14324
14325     case KSYM_Home:
14326     case KSYM_End:
14327       element_shift = (key == KSYM_Home ? 0 :
14328                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14329
14330       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14331                    GDI_SCROLLBAR_ITEM_POSITION,
14332                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14333
14334       ModifyEditorElementList();
14335
14336       break;
14337
14338     case KSYM_Insert:
14339     case KSYM_Delete:
14340
14341       // this is needed to prevent interference with running "True X-Mouse"
14342       if (GetKeyModStateFromEvents() & KMOD_Control)
14343         break;
14344
14345       // check for last or next editor cascade block in element list
14346       for (i = 0; i < num_editor_elements; i++)
14347       {
14348         if ((key == KSYM_Insert && i == element_shift) ||
14349             (key == KSYM_Delete && new_element_shift > element_shift))
14350           break;
14351
14352         // jump to next cascade block (or to start of element list)
14353         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14354           new_element_shift = i;
14355       }
14356
14357       if (i < num_editor_elements)
14358         element_shift = new_element_shift;
14359
14360       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14361         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14362
14363       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14364                    GDI_SCROLLBAR_ITEM_POSITION,
14365                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14366
14367       ModifyEditorElementList();
14368
14369       break;
14370
14371     case KSYM_Escape:
14372       if (edit_mode == ED_MODE_DRAWING)
14373         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14374       else if (edit_mode == ED_MODE_INFO)
14375         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14376       else if (edit_mode == ED_MODE_PROPERTIES)
14377         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14378       else if (edit_mode == ED_MODE_PALETTE)
14379         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14380       else              // should never happen
14381         ChangeEditModeWindow(ED_MODE_DRAWING);
14382
14383       break;
14384
14385     default:
14386       break;
14387   }
14388
14389   if (id != GADGET_ID_NONE)
14390     ClickOnGadget(level_editor_gadget[id], button);
14391   else if (letter == '1' || letter == '?')
14392     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14393   else if (letter == '2')
14394     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14395   else if (letter == '3')
14396     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14397   else if (letter == '.')
14398     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14399   else if (letter == 'U')
14400     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14401   else if (letter == '-' || key == KSYM_KP_Subtract)
14402     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14403   else if (letter == '0' || key == KSYM_KP_0)
14404     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14405   else if (letter == '+' || key == KSYM_KP_Add ||
14406            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14407     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14408   else if (key == KSYM_Return ||
14409            key == KSYM_space ||
14410            key == setup.shortcut.toggle_pause)
14411     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14412   else
14413     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14414       if (letter && letter == controlbutton_info[i].shortcut)
14415         if (!anyTextGadgetActive())
14416           ClickOnGadget(level_editor_gadget[i], button);
14417 }
14418
14419 static void HandleLevelEditorIdle_Properties(void)
14420 {
14421   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14422   int x = editor.settings.element_graphic.x + element_border;
14423   int y = editor.settings.element_graphic.y + element_border;
14424   static unsigned int action_delay = 0;
14425   unsigned int action_delay_value = GameFrameDelay;
14426   int i;
14427
14428   if (!DelayReached(&action_delay, action_delay_value))
14429     return;
14430
14431   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14432   {
14433     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14434
14435     if (gi->mapped && gi->active && gi->selectbox.open)
14436       return;
14437   }
14438
14439   DrawEditorElementAnimation(SX + x, SY + y);
14440
14441   redraw_mask |= REDRAW_FIELD;
14442
14443   FrameCounter++;       // increase animation frame counter
14444 }
14445
14446 static void HandleLevelEditorIdle_Drawing(void)
14447 {
14448   static boolean last_highlighted = FALSE;
14449   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14450
14451   if (highlighted != last_highlighted)
14452   {
14453     DrawAreaElementHighlight(highlighted);
14454
14455     last_highlighted = highlighted;
14456
14457     redraw_mask |= REDRAW_FIELD;
14458   }
14459 }
14460
14461 void HandleLevelEditorIdle(void)
14462 {
14463   if (edit_mode == ED_MODE_PROPERTIES)
14464     HandleLevelEditorIdle_Properties();
14465   else if (edit_mode == ED_MODE_DRAWING)
14466     HandleLevelEditorIdle_Drawing();
14467 }
14468
14469 static void ClearEditorGadgetInfoText(void)
14470 {
14471   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14472 }
14473
14474 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14475 {
14476   char infotext[MAX_OUTPUT_LINESIZE + 1];
14477   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14478   int max_infotext_len = getMaxInfoTextLength();
14479
14480   if (gi == NULL || strlen(gi->info_text) == 0)
14481     return;
14482
14483   strncpy(infotext, gi->info_text, max_infotext_len);
14484   infotext[max_infotext_len] = '\0';
14485
14486   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14487   {
14488     int key = controlbutton_info[gi->custom_id].shortcut;
14489
14490     if (key)
14491     {
14492       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14493         sprintf(shortcut, " ('.' or '%c')", key);
14494       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14495         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14496       else if (gi->custom_id == GADGET_ID_TEST)
14497         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14498       else if (gi->custom_id == GADGET_ID_UNDO)
14499         sprintf(shortcut, " ('%c/Shift-U')", key);
14500       else if (gi->custom_id == GADGET_ID_ZOOM)
14501         sprintf(shortcut, " ('%c', '0', '-')", key);
14502       else
14503         sprintf(shortcut, " ('%s%c')",
14504                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14505
14506       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14507         strcat(infotext, shortcut);
14508     }
14509   }
14510
14511   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14512 }
14513
14514 void HandleEditorGadgetInfoText(void *ptr)
14515 {
14516   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14517
14518   if (game_status != GAME_MODE_EDITOR)
14519     return;
14520
14521   ClearEditorGadgetInfoText();
14522
14523   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14524     return;
14525
14526   // misuse this function to delete brush cursor, if needed
14527   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14528     DeleteBrushFromCursor();
14529
14530   PrintEditorGadgetInfoText(gi);
14531 }
14532
14533 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14534 {
14535   static int start_lx, start_ly;
14536   int id = gi->custom_id;
14537   int type_id = gi->custom_type_id;
14538   int sx = gi->event.x;
14539   int sy = gi->event.y;
14540   int lx = sx + level_xpos;
14541   int ly = sy + level_ypos;
14542   int min_sx = 0, min_sy = 0;
14543   int max_sx = gi->drawing.area_xsize - 1;
14544   int max_sy = gi->drawing.area_ysize - 1;
14545   int actual_drawing_function = drawing_function;
14546   int max_infotext_len = getMaxInfoTextLength();
14547   char infotext[MAX_OUTPUT_LINESIZE + 1];
14548   char *text;
14549
14550   infotext[0] = '\0';           // start with empty info text
14551
14552   // pressed Control key: simulate picking element
14553   if (GetKeyModState() & KMOD_Control)
14554     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14555
14556   ClearEditorGadgetInfoText();
14557
14558   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14559     return;
14560
14561   // make sure to stay inside drawing area boundaries
14562   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14563   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14564
14565   if (id == GADGET_ID_DRAWING_LEVEL)
14566   {
14567     if (button_status)
14568     {
14569       int min_lx = 0, min_ly = 0;
14570       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14571
14572       // get positions inside level field
14573       lx = sx + level_xpos;
14574       ly = sy + level_ypos;
14575
14576       // make sure to stay inside level field boundaries
14577       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14578       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14579
14580       // correct drawing area positions accordingly
14581       sx = lx - level_xpos;
14582       sy = ly - level_ypos;
14583     }
14584
14585     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14586     {
14587       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14588       {
14589         if (gi->event.type == GD_EVENT_PRESSED)
14590         {
14591           start_lx = lx;
14592           start_ly = ly;
14593         }
14594
14595         switch (actual_drawing_function)
14596         {
14597           case GADGET_ID_SINGLE_ITEMS:
14598             text = "Drawing single items";
14599             break;
14600           case GADGET_ID_CONNECTED_ITEMS:
14601             text = "Drawing connected items";
14602             break;
14603           case GADGET_ID_LINE:
14604             text = "Drawing line";
14605             break;
14606           case GADGET_ID_ARC:
14607             text = "Drawing arc";
14608             break;
14609           case GADGET_ID_TEXT:
14610             text = "Setting text cursor";
14611             break;
14612           case GADGET_ID_RECTANGLE:
14613             text = "Drawing rectangle";
14614             break;
14615           case GADGET_ID_FILLED_BOX:
14616             text = "Drawing filled box";
14617             break;
14618           case GADGET_ID_FLOOD_FILL:
14619             text = "Flood fill";
14620             break;
14621           case GADGET_ID_GRAB_BRUSH:
14622             text = "Grabbing brush";
14623             break;
14624           case GADGET_ID_PICK_ELEMENT:
14625             text = "Picking element";
14626             break;
14627
14628           default:
14629             text = "Drawing position";
14630             break;
14631         }
14632
14633         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14634           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14635         else
14636           sprintf(infotext, "%s: %d, %d", text,
14637                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14638       }
14639       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14640         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14641       else
14642         sprintf(infotext, "Level position: %d, %d", lx, ly);
14643     }
14644
14645     // misuse this function to draw brush cursor, if needed
14646     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14647     {
14648       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14649         CopyBrushToCursor(sx, sy);
14650       else
14651         DeleteBrushFromCursor();
14652     }
14653
14654     if (!draw_with_brush)
14655       UpdateBrushPosition(sx, sy);
14656   }
14657   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14658   {
14659     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14660     int element = drawingarea_info[type_id].value[pos];
14661
14662     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14663   }
14664   else
14665   {
14666     if (id == GADGET_ID_CUSTOM_CONTENT)
14667       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14668     else if (id == GADGET_ID_GROUP_CONTENT)
14669       sprintf(infotext, "group element position: %d", sx + 1);
14670     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14671              id <= GADGET_ID_YAMYAM_CONTENT_7)
14672       sprintf(infotext, "content area %d position: %d, %d",
14673               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14674     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14675              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14676       sprintf(infotext, "content area %d position: %d, %d",
14677               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14678     else if (id == GADGET_ID_ANDROID_CONTENT)
14679       sprintf(infotext, "android element position: %d", sx + 1);
14680     else if (drawingarea_info[type_id].infotext != NULL)
14681       strcpy(infotext, drawingarea_info[type_id].infotext);
14682   }
14683
14684   infotext[max_infotext_len] = '\0';
14685
14686   if (strlen(infotext) > 0)
14687     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14688 }
14689
14690 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14691                             boolean quick_quit)
14692 {
14693   if (!ask_if_level_has_changed ||
14694       !LevelChanged() ||
14695       Request("Level has changed! Exit without saving?",
14696               REQ_ASK | REQ_STAY_OPEN))
14697   {
14698     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14699     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14700
14701     // draw normal door
14702     UndrawSpecialEditorDoor();
14703
14704     // use door animation if door 1 viewport is unchanged and contains toolbox
14705     if (useEditorDoorAnimation())
14706       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14707
14708     // close editor doors if viewport definition is the same as in main menu
14709     if (vp_door_1->x      == DX     &&
14710         vp_door_1->y      == DY     &&
14711         vp_door_1->width  == DXSIZE &&
14712         vp_door_1->height == DYSIZE &&
14713         vp_door_2->x      == VX     &&
14714         vp_door_2->y      == VY     &&
14715         vp_door_2->width  == VXSIZE &&
14716         vp_door_2->height == VYSIZE)
14717       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14718     else
14719       SetDoorState(DOOR_CLOSE_2);
14720
14721     BackToFront();
14722
14723     if (quick_quit)
14724       FadeSkipNextFadeIn();
14725
14726     SetGameStatus(GAME_MODE_MAIN);
14727
14728     DrawMainMenu();
14729   }
14730   else
14731   {
14732     if (!global.use_envelope_request)
14733     {
14734       CloseDoor(DOOR_CLOSE_1);
14735       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14736     }
14737   }
14738 }