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