src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_INFO,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_MM_BALL_CONTENT_DOWN,
 463   GADGET_ID_MM_BALL_CONTENT_TEXT,
 464   GADGET_ID_MM_BALL_CONTENT_UP,
 465   GADGET_ID_CUSTOM_SCORE_DOWN,
 466   GADGET_ID_CUSTOM_SCORE_TEXT,
 467   GADGET_ID_CUSTOM_SCORE_UP,
 468   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 469   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 470   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 471   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 474   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 475   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 476   GADGET_ID_CUSTOM_VALUE_RND_UP,
 477   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 478   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 479   GADGET_ID_PUSH_DELAY_FIX_UP,
 480   GADGET_ID_PUSH_DELAY_RND_DOWN,
 481   GADGET_ID_PUSH_DELAY_RND_TEXT,
 482   GADGET_ID_PUSH_DELAY_RND_UP,
 483   GADGET_ID_DROP_DELAY_FIX_DOWN,
 484   GADGET_ID_DROP_DELAY_FIX_TEXT,
 485   GADGET_ID_DROP_DELAY_FIX_UP,
 486   GADGET_ID_DROP_DELAY_RND_DOWN,
 487   GADGET_ID_DROP_DELAY_RND_TEXT,
 488   GADGET_ID_DROP_DELAY_RND_UP,
 489   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 490   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 491   GADGET_ID_MOVE_DELAY_FIX_UP,
 492   GADGET_ID_MOVE_DELAY_RND_DOWN,
 493   GADGET_ID_MOVE_DELAY_RND_TEXT,
 494   GADGET_ID_MOVE_DELAY_RND_UP,
 495   GADGET_ID_STEP_DELAY_FIX_DOWN,
 496   GADGET_ID_STEP_DELAY_FIX_TEXT,
 497   GADGET_ID_STEP_DELAY_FIX_UP,
 498   GADGET_ID_STEP_DELAY_RND_DOWN,
 499   GADGET_ID_STEP_DELAY_RND_TEXT,
 500   GADGET_ID_STEP_DELAY_RND_UP,
 501   GADGET_ID_EXPLOSION_DELAY_DOWN,
 502   GADGET_ID_EXPLOSION_DELAY_TEXT,
 503   GADGET_ID_EXPLOSION_DELAY_UP,
 504   GADGET_ID_IGNITION_DELAY_DOWN,
 505   GADGET_ID_IGNITION_DELAY_TEXT,
 506   GADGET_ID_IGNITION_DELAY_UP,
 507   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 508   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 509   GADGET_ID_CHANGE_DELAY_FIX_UP,
 510   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 511   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 512   GADGET_ID_CHANGE_DELAY_RND_UP,
 513   GADGET_ID_CHANGE_CONT_RND_DOWN,
 514   GADGET_ID_CHANGE_CONT_RND_TEXT,
 515   GADGET_ID_CHANGE_CONT_RND_UP,
 516   GADGET_ID_GROUP_CONTENT_DOWN,
 517   GADGET_ID_GROUP_CONTENT_TEXT,
 518   GADGET_ID_GROUP_CONTENT_UP,
 519
 520   // drawing area identifiers
 521
 522   GADGET_ID_DRAWING_LEVEL,
 523   GADGET_ID_YAMYAM_CONTENT_0,
 524   GADGET_ID_YAMYAM_CONTENT_1,
 525   GADGET_ID_YAMYAM_CONTENT_2,
 526   GADGET_ID_YAMYAM_CONTENT_3,
 527   GADGET_ID_YAMYAM_CONTENT_4,
 528   GADGET_ID_YAMYAM_CONTENT_5,
 529   GADGET_ID_YAMYAM_CONTENT_6,
 530   GADGET_ID_YAMYAM_CONTENT_7,
 531   GADGET_ID_MAGIC_BALL_CONTENT_0,
 532   GADGET_ID_MAGIC_BALL_CONTENT_1,
 533   GADGET_ID_MAGIC_BALL_CONTENT_2,
 534   GADGET_ID_MAGIC_BALL_CONTENT_3,
 535   GADGET_ID_MAGIC_BALL_CONTENT_4,
 536   GADGET_ID_MAGIC_BALL_CONTENT_5,
 537   GADGET_ID_MAGIC_BALL_CONTENT_6,
 538   GADGET_ID_MAGIC_BALL_CONTENT_7,
 539   GADGET_ID_ANDROID_CONTENT,
 540   GADGET_ID_AMOEBA_CONTENT,
 541   GADGET_ID_START_ELEMENT,
 542   GADGET_ID_ARTWORK_ELEMENT,
 543   GADGET_ID_EXPLOSION_ELEMENT,
 544   GADGET_ID_INVENTORY_CONTENT,
 545   GADGET_ID_MM_BALL_CONTENT,
 546   GADGET_ID_CUSTOM_GRAPHIC,
 547   GADGET_ID_CUSTOM_CONTENT,
 548   GADGET_ID_CUSTOM_MOVE_ENTER,
 549   GADGET_ID_CUSTOM_MOVE_LEAVE,
 550   GADGET_ID_CUSTOM_CHANGE_TARGET,
 551   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 552   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 553   GADGET_ID_CUSTOM_CHANGE_ACTION,
 554   GADGET_ID_GROUP_CONTENT,
 555   GADGET_ID_RANDOM_BACKGROUND,
 556
 557   // text input identifiers
 558
 559   GADGET_ID_LEVEL_NAME,
 560   GADGET_ID_LEVEL_AUTHOR,
 561   GADGET_ID_LEVELSET_NAME,
 562   GADGET_ID_LEVELSET_AUTHOR,
 563   GADGET_ID_ELEMENT_NAME,
 564
 565   // text area identifiers
 566
 567   GADGET_ID_ENVELOPE_INFO,
 568
 569   // selectbox identifiers
 570
 571   GADGET_ID_TIME_OR_STEPS,
 572   GADGET_ID_TIME_SCORE_BASE,
 573   GADGET_ID_GAME_ENGINE_TYPE,
 574   GADGET_ID_LEVELSET_SAVE_MODE,
 575   GADGET_ID_WIND_DIRECTION,
 576   GADGET_ID_PLAYER_SPEED,
 577   GADGET_ID_MM_BALL_CHOICE_MODE,
 578   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 579   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 580   GADGET_ID_CUSTOM_DEADLINESS,
 581   GADGET_ID_CUSTOM_MOVE_PATTERN,
 582   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 583   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 584   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 585   GADGET_ID_CUSTOM_SMASH_TARGETS,
 586   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 587   GADGET_ID_CUSTOM_ACCESS_TYPE,
 588   GADGET_ID_CUSTOM_ACCESS_LAYER,
 589   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 590   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 591   GADGET_ID_CHANGE_TIME_UNITS,
 592   GADGET_ID_CHANGE_DIRECT_ACTION,
 593   GADGET_ID_CHANGE_OTHER_ACTION,
 594   GADGET_ID_CHANGE_SIDE,
 595   GADGET_ID_CHANGE_PLAYER,
 596   GADGET_ID_CHANGE_PAGE,
 597   GADGET_ID_CHANGE_REPLACE_WHEN,
 598   GADGET_ID_ACTION_TYPE,
 599   GADGET_ID_ACTION_MODE,
 600   GADGET_ID_ACTION_ARG,
 601   GADGET_ID_SELECT_CHANGE_PAGE,
 602   GADGET_ID_GROUP_CHOICE_MODE,
 603
 604   // textbutton identifiers
 605
 606   GADGET_ID_LEVELINFO_LEVEL,
 607   GADGET_ID_LEVELINFO_LEVELSET,
 608   GADGET_ID_LEVELINFO_EDITOR,
 609   GADGET_ID_PROPERTIES_INFO,
 610   GADGET_ID_PROPERTIES_CONFIG,
 611   GADGET_ID_PROPERTIES_CONFIG_1,
 612   GADGET_ID_PROPERTIES_CONFIG_2,
 613   GADGET_ID_PROPERTIES_CHANGE,
 614   GADGET_ID_SAVE_AS_TEMPLATE_1,
 615   GADGET_ID_SAVE_AS_TEMPLATE_2,
 616   GADGET_ID_SAVE_LEVELSET,
 617   GADGET_ID_ADD_CHANGE_PAGE,
 618   GADGET_ID_DEL_CHANGE_PAGE,
 619
 620   // graphicbutton identifiers
 621
 622   GADGET_ID_PREV_CHANGE_PAGE,
 623   GADGET_ID_NEXT_CHANGE_PAGE,
 624   GADGET_ID_COPY_CHANGE_PAGE,
 625   GADGET_ID_PASTE_CHANGE_PAGE,
 626
 627   // gadgets for scrolling of drawing area
 628
 629   GADGET_ID_SCROLL_UP,
 630   GADGET_ID_SCROLL_DOWN,
 631   GADGET_ID_SCROLL_LEFT,
 632   GADGET_ID_SCROLL_RIGHT,
 633   GADGET_ID_SCROLL_HORIZONTAL,
 634   GADGET_ID_SCROLL_VERTICAL,
 635
 636   // gadgets for scrolling element list
 637
 638   GADGET_ID_SCROLL_LIST_UP,
 639   GADGET_ID_SCROLL_LIST_DOWN,
 640   GADGET_ID_SCROLL_LIST_VERTICAL,
 641
 642   // checkbuttons/radiobuttons for level/element properties
 643
 644   GADGET_ID_AUTO_COUNT_GEMS,
 645   GADGET_ID_RATE_TIME_OVER_SCORE,
 646   GADGET_ID_USE_LEVELSET_ARTWORK,
 647   GADGET_ID_COPY_LEVEL_TEMPLATE,
 648   GADGET_ID_RANDOM_PERCENTAGE,
 649   GADGET_ID_RANDOM_QUANTITY,
 650   GADGET_ID_RANDOM_RESTRICTED,
 651   GADGET_ID_STICK_ELEMENT,
 652   GADGET_ID_EM_SLIPPERY_GEMS,
 653   GADGET_ID_EM_EXPLODES_BY_FIRE,
 654   GADGET_ID_USE_SPRING_BUG,
 655   GADGET_ID_USE_TIME_ORB_BUG,
 656   GADGET_ID_USE_LIFE_BUGS,
 657   GADGET_ID_RANDOM_BALL_CONTENT,
 658   GADGET_ID_INITIAL_BALL_ACTIVE,
 659   GADGET_ID_GROW_INTO_DIGGABLE,
 660   GADGET_ID_SB_FIELDS_NEEDED,
 661   GADGET_ID_SB_OBJECTS_NEEDED,
 662   GADGET_ID_AUTO_EXIT_SOKOBAN,
 663   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 664   GADGET_ID_FINISH_DIG_COLLECT,
 665   GADGET_ID_KEEP_WALKABLE_CE,
 666   GADGET_ID_CONTINUOUS_SNAPPING,
 667   GADGET_ID_BLOCK_SNAP_FIELD,
 668   GADGET_ID_BLOCK_LAST_FIELD,
 669   GADGET_ID_SP_BLOCK_LAST_FIELD,
 670   GADGET_ID_INSTANT_RELOCATION,
 671   GADGET_ID_SHIFTED_RELOCATION,
 672   GADGET_ID_LAZY_RELOCATION,
 673   GADGET_ID_USE_START_ELEMENT,
 674   GADGET_ID_USE_ARTWORK_ELEMENT,
 675   GADGET_ID_USE_EXPLOSION_ELEMENT,
 676   GADGET_ID_INITIAL_GRAVITY,
 677   GADGET_ID_USE_INITIAL_INVENTORY,
 678   GADGET_ID_CAN_PASS_TO_WALKABLE,
 679   GADGET_ID_CAN_FALL_INTO_ACID,
 680   GADGET_ID_CAN_MOVE_INTO_ACID,
 681   GADGET_ID_DONT_COLLIDE_WITH,
 682   GADGET_ID_ENVELOPE_AUTOWRAP,
 683   GADGET_ID_ENVELOPE_CENTERED,
 684   GADGET_ID_MM_LASER_RED,
 685   GADGET_ID_MM_LASER_GREEN,
 686   GADGET_ID_MM_LASER_BLUE,
 687   GADGET_ID_DF_LASER_RED,
 688   GADGET_ID_DF_LASER_GREEN,
 689   GADGET_ID_DF_LASER_BLUE,
 690   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 691   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 692   GADGET_ID_CUSTOM_CAN_EXPLODE,
 693   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 694   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 695   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 696   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 697   GADGET_ID_CUSTOM_DEADLY,
 698   GADGET_ID_CUSTOM_CAN_MOVE,
 699   GADGET_ID_CUSTOM_CAN_FALL,
 700   GADGET_ID_CUSTOM_CAN_SMASH,
 701   GADGET_ID_CUSTOM_SLIPPERY,
 702   GADGET_ID_CUSTOM_ACCESSIBLE,
 703   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 704   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 705   GADGET_ID_CUSTOM_USE_GRAPHIC,
 706   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 707   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 708   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 709   GADGET_ID_CUSTOM_CAN_CHANGE,
 710   GADGET_ID_CHANGE_USE_CONTENT,
 711   GADGET_ID_CHANGE_USE_EXPLOSION,
 712   GADGET_ID_CHANGE_ONLY_COMPLETE,
 713   GADGET_ID_CHANGE_USE_RANDOM,
 714   GADGET_ID_CHANGE_HAS_ACTION,
 715   GADGET_ID_CHANGE_DELAY,
 716   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 717   GADGET_ID_CHANGE_BY_OTHER_ACT,
 718
 719   NUM_STATIC_GADGET_IDS
 720 };
 721
 722 // gadgets for buttons in element list (dynamic)
 723 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 724 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 725                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 726
 727 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 728
 729 // radio button numbers
 730 enum
 731 {
 732   RADIO_NR_NONE,
 733   RADIO_NR_DRAWING_TOOLBOX,
 734   RADIO_NR_RANDOM_ELEMENTS
 735 };
 736
 737 // values for counter gadgets
 738 enum
 739 {
 740   ED_COUNTER_ID_SELECT_LEVEL,
 741   ED_COUNTER_ID_LEVEL_XSIZE,
 742   ED_COUNTER_ID_LEVEL_YSIZE,
 743   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 744   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 745   ED_COUNTER_ID_LEVEL_TIMESCORE,
 746   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 747   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 748   ED_COUNTER_ID_LEVEL_RANDOM,
 749   ED_COUNTER_ID_ELEMENT_VALUE1,
 750   ED_COUNTER_ID_ELEMENT_VALUE2,
 751   ED_COUNTER_ID_ELEMENT_VALUE3,
 752   ED_COUNTER_ID_ELEMENT_VALUE4,
 753   ED_COUNTER_ID_YAMYAM_CONTENT,
 754   ED_COUNTER_ID_BALL_CONTENT,
 755   ED_COUNTER_ID_ANDROID_CONTENT,
 756   ED_COUNTER_ID_ENVELOPE_XSIZE,
 757   ED_COUNTER_ID_ENVELOPE_YSIZE,
 758   ED_COUNTER_ID_INVENTORY_SIZE,
 759   ED_COUNTER_ID_MM_BALL_CONTENT,
 760   ED_COUNTER_ID_CUSTOM_SCORE,
 761   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 762   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 763   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 764   ED_COUNTER_ID_PUSH_DELAY_FIX,
 765   ED_COUNTER_ID_PUSH_DELAY_RND,
 766   ED_COUNTER_ID_DROP_DELAY_FIX,
 767   ED_COUNTER_ID_DROP_DELAY_RND,
 768   ED_COUNTER_ID_MOVE_DELAY_FIX,
 769   ED_COUNTER_ID_MOVE_DELAY_RND,
 770   ED_COUNTER_ID_STEP_DELAY_FIX,
 771   ED_COUNTER_ID_STEP_DELAY_RND,
 772   ED_COUNTER_ID_EXPLOSION_DELAY,
 773   ED_COUNTER_ID_IGNITION_DELAY,
 774   ED_COUNTER_ID_GROUP_CONTENT,
 775   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 776   ED_COUNTER_ID_CHANGE_DELAY_RND,
 777   ED_COUNTER_ID_CHANGE_CONT_RND,
 778
 779   ED_NUM_COUNTERBUTTONS
 780 };
 781
 782 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 783 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 784 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 785 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 786 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 787 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 788
 789 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 790 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 791 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 792 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 793 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 794 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 795
 796 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 797 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 798
 799 // values for scrollbutton gadgets
 800 enum
 801 {
 802   ED_SCROLLBUTTON_ID_AREA_UP,
 803   ED_SCROLLBUTTON_ID_AREA_DOWN,
 804   ED_SCROLLBUTTON_ID_AREA_LEFT,
 805   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 806   ED_SCROLLBUTTON_ID_LIST_UP,
 807   ED_SCROLLBUTTON_ID_LIST_DOWN,
 808
 809   ED_NUM_SCROLLBUTTONS
 810 };
 811
 812 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 813 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 814
 815 // values for scrollbar gadgets
 816 enum
 817 {
 818   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 819   ED_SCROLLBAR_ID_AREA_VERTICAL,
 820   ED_SCROLLBAR_ID_LIST_VERTICAL,
 821
 822   ED_NUM_SCROLLBARS
 823 };
 824
 825 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 826 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 827
 828 // values for text input gadgets
 829 enum
 830 {
 831   ED_TEXTINPUT_ID_LEVEL_NAME,
 832   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 833   ED_TEXTINPUT_ID_LEVELSET_NAME,
 834   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 835   ED_TEXTINPUT_ID_ELEMENT_NAME,
 836
 837   ED_NUM_TEXTINPUT
 838 };
 839
 840 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 841 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 842
 843 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 844 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 845
 846 // values for text area gadgets
 847 enum
 848 {
 849   ED_TEXTAREA_ID_ENVELOPE_INFO,
 850
 851   ED_NUM_TEXTAREAS
 852 };
 853
 854 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 855 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 856
 857 // values for selectbox gadgets
 858 enum
 859 {
 860   ED_SELECTBOX_ID_TIME_OR_STEPS,
 861   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 862   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 863   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 864   ED_SELECTBOX_ID_WIND_DIRECTION,
 865   ED_SELECTBOX_ID_PLAYER_SPEED,
 866   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 867   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 868   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 869   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 870   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 871   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 872   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 873   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 874   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 875   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 876   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 877   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 878   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 879   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 880   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 881   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 882   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 883   ED_SELECTBOX_ID_CHANGE_SIDE,
 884   ED_SELECTBOX_ID_CHANGE_PLAYER,
 885   ED_SELECTBOX_ID_CHANGE_PAGE,
 886   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 887   ED_SELECTBOX_ID_ACTION_TYPE,
 888   ED_SELECTBOX_ID_ACTION_MODE,
 889   ED_SELECTBOX_ID_ACTION_ARG,
 890   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 891   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 892
 893   ED_NUM_SELECTBOX
 894 };
 895
 896 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 897 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 898
 899 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 900 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 901
 902 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 903 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 904 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 905 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 906 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 907 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 908
 909 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 910 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 911
 912 // values for textbutton gadgets
 913 enum
 914 {
 915   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 916   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 917   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 918   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 919   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 920   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 921   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 922   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 923   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 924   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 925   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 926   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 927   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 928
 929   ED_NUM_TEXTBUTTONS
 930 };
 931
 932 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 933 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 934
 935 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 936 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 937
 938 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 939 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 940
 941 // values for graphicbutton gadgets
 942 enum
 943 {
 944   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 945   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 946   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 947   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 948
 949   ED_NUM_GRAPHICBUTTONS
 950 };
 951
 952 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 953 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 954
 955 // values for checkbutton gadgets
 956 enum
 957 {
 958   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 959   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 960   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 961   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 962   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 963   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 964   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 965   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 966   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 967   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 968   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 969   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 970   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 971   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 972   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 973   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 974   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 975   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 976   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 977   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 978   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 979   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 980   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 981   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 982   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 983   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 984   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 985   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 986   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 987   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 988   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 989   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 990   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 991   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 992   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 993   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 994   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 995   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 996   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 997   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 998   ED_CHECKBUTTON_ID_MM_LASER_RED,
 999   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1000   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1001   ED_CHECKBUTTON_ID_DF_LASER_RED,
1002   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1003   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1004   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1005   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1006   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1007   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1008   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1009   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1010   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1011   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1012   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1013   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1014   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1015   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1016   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1017   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1018   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1019   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1020   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1021   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1022   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1023   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1024   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1025   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1026   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1027   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1028   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1029   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1030
1031   ED_NUM_CHECKBUTTONS
1032 };
1033
1034 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1035 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1036
1037 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1038 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1039
1040 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1041 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1042
1043 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1044 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1045 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1046 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1047 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1048 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1049
1050 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1051 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1052
1053 // values for radiobutton gadgets
1054 enum
1055 {
1056   ED_RADIOBUTTON_ID_PERCENTAGE,
1057   ED_RADIOBUTTON_ID_QUANTITY,
1058
1059   ED_NUM_RADIOBUTTONS
1060 };
1061
1062 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1063 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1064
1065 // values for drawing area gadgets
1066 enum
1067 {
1068   ED_DRAWING_ID_DRAWING_LEVEL,
1069   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1070   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1071   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1072   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1073   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1074   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1075   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1076   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1077   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1078   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1079   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1080   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1081   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1082   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1083   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1084   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1085   ED_DRAWING_ID_ANDROID_CONTENT,
1086   ED_DRAWING_ID_AMOEBA_CONTENT,
1087   ED_DRAWING_ID_START_ELEMENT,
1088   ED_DRAWING_ID_ARTWORK_ELEMENT,
1089   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1090   ED_DRAWING_ID_INVENTORY_CONTENT,
1091   ED_DRAWING_ID_MM_BALL_CONTENT,
1092   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1093   ED_DRAWING_ID_CUSTOM_CONTENT,
1094   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1095   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1096   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1097   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1098   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1099   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1100   ED_DRAWING_ID_GROUP_CONTENT,
1101   ED_DRAWING_ID_RANDOM_BACKGROUND,
1102
1103   ED_NUM_DRAWING_AREAS
1104 };
1105
1106 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1107 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1108
1109
1110 // ----------------------------------------------------------------------------
1111 // some internally used definitions
1112 // ----------------------------------------------------------------------------
1113
1114 // values for CopyLevelToUndoBuffer()
1115 #define UNDO_IMMEDIATE                  0
1116 #define UNDO_ACCUMULATE                 1
1117
1118 // values for scrollbars
1119 #define ED_SCROLL_NO                    0
1120 #define ED_SCROLL_LEFT                  1
1121 #define ED_SCROLL_RIGHT                 2
1122 #define ED_SCROLL_UP                    4
1123 #define ED_SCROLL_DOWN                  8
1124
1125 // screens in the level editor
1126 #define ED_MODE_DRAWING                 0
1127 #define ED_MODE_INFO                    1
1128 #define ED_MODE_PROPERTIES              2
1129 #define ED_MODE_PALETTE                 3
1130
1131 // sub-screens in the global settings section
1132 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1133 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1134 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1135
1136 // sub-screens in the element properties section
1137 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1138 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1139 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1140 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1141 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1142
1143 // how many steps can be cancelled
1144 #define NUM_UNDO_STEPS                  (64 + 1)
1145
1146 // values for elements with score for certain actions
1147 #define MIN_SCORE                       0
1148 #define MAX_SCORE                       999
1149
1150 // values for elements with count for collecting
1151 #define MIN_COLLECT_COUNT               0
1152 #define MAX_COLLECT_COUNT               999
1153
1154 // values for random placement
1155 #define RANDOM_USE_PERCENTAGE           0
1156 #define RANDOM_USE_QUANTITY             1
1157
1158 // values for level set save mode
1159 #define LEVELSET_SAVE_MODE_UPDATE       0
1160 #define LEVELSET_SAVE_MODE_CREATE       1
1161
1162 // default value for element tile size in drawing area
1163 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1164 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1165
1166
1167 // ----------------------------------------------------------------------------
1168 // some internally used data structure definitions
1169 // ----------------------------------------------------------------------------
1170
1171 static struct
1172 {
1173   int graphic;
1174   int gadget_id;
1175   struct XYTileSize *pos;
1176   int gadget_type;
1177   char *infotext;
1178   char shortcut;
1179 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1180 {
1181   // note: some additional characters are already reserved for "cheat mode"
1182   // shortcuts (":XYZ" style) -- for details, see "events.c"
1183
1184   // ---------- toolbox control buttons ---------------------------------------
1185
1186   {
1187     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1188     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1189     "draw single items",                        's'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1193     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1194     "draw connected items",                     'd'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1198     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1199     "draw lines",                               'l'
1200   },
1201   {
1202     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1203     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1204     "draw arcs",                                'a'
1205   },
1206   {
1207     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1208     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1209     "draw outline rectangles",                  'r'
1210   },
1211   {
1212     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1213     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1214     "draw filled rectangles",                   'R'
1215   },
1216   {
1217     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1218     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1219     "wrap (rotate) level up",                   0
1220   },
1221   {
1222     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1223     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1224     "enter text elements",                      't'
1225   },
1226   {
1227     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1228     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1229     "flood fill",                               'f'
1230   },
1231   {
1232     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1233     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1234     "wrap (rotate) level left",                 0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1238     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1239     "zoom level tile size",                     '+'
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1243     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1244     "wrap (rotate) level right",                0
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1248     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1249     "random element placement",                 0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1253     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1254     "grab brush",                               'b'
1255   },
1256   {
1257     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1258     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1259     "wrap (rotate) level down",                 0
1260   },
1261   {
1262     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1263     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1264     "pick drawing element",                     ','
1265   },
1266
1267   // ---------- level control buttons -----------------------------------------
1268
1269   {
1270     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1271     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1272     "undo/redo last operation",                 'u'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1276     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1277     "properties of level",                      'I'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1281     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1282     "save level",                               'S'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1286     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1287     "clear level",                              'C'
1288   },
1289   {
1290     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1291     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1292     "test level",                               'T'
1293   },
1294   {
1295     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1296     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1297     "exit level editor",                        'E'
1298   },
1299
1300   // ---------- CE and GE control buttons -------------------------------------
1301
1302   {
1303     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1304     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1305     "copy settings from other element",         0
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1309     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1310     "copy settings to other element",           0
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1314     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1315     "exchange element with other element",      0
1316   },
1317   {
1318     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1319     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1320     "copy settings from this element",          0
1321   },
1322   {
1323     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1324     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1325     "paste settings to this element",           0
1326   },
1327
1328   // ---------- palette control buttons ---------------------------------------
1329
1330   {
1331     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1332     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1333     "properties of drawing element",            'p'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1337     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1338     "properties of drawing element 1",          '1'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1342     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1343     "properties of drawing element 2",          '2'
1344   },
1345   {
1346     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1347     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1348     "properties of drawing element 3",          '3'
1349   },
1350   {
1351     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1352     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1353     "show list of elements",                    'e'
1354   }
1355 };
1356
1357 static int random_placement_value = 10;
1358 static int random_placement_method = RANDOM_USE_QUANTITY;
1359 static int random_placement_background_element = EL_SAND;
1360 static boolean random_placement_background_restricted = FALSE;
1361 static boolean stick_element_properties_window = FALSE;
1362 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1363 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1364 static struct ElementChangeInfo custom_element_change;
1365 static struct ElementGroupInfo group_element_info;
1366 static struct ElementInfo custom_element;
1367
1368 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1369 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1370 static int levelset_num_levels = 100;
1371 static boolean levelset_use_levelset_artwork = FALSE;
1372 static boolean levelset_copy_level_template = FALSE;
1373 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1374
1375 static struct
1376 {
1377   int x, y;
1378   int min_value, max_value;
1379   int gadget_id_down, gadget_id_up;
1380   int gadget_id_text;
1381   int gadget_id_align;
1382   int *value;
1383   char *text_above, *text_left, *text_right;
1384 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1385 {
1386   // ---------- current level number ------------------------------------------
1387
1388   {
1389     -1, -1,     // these values are not constant, but can change at runtime
1390     1,                                  100,
1391     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1392     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1393     &level_nr,
1394     NULL,                               NULL, NULL
1395   },
1396
1397   // ---------- level and editor settings -------------------------------------
1398
1399   {
1400     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1401     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1402     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1403     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1404     &level.fieldx,
1405     "playfield size:",                  NULL, "width",
1406   },
1407   {
1408     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1409     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1410     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1411     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1412     &level.fieldy,
1413     NULL,                               " ", "height",
1414   },
1415   {
1416     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1417     0,                                  999,
1418     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1419     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1420     &level.gems_needed,
1421     NULL,                               "number of gems to collect:", NULL
1422   },
1423   {
1424     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1425     0,                                  9999,
1426     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1427     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1428     &level.time,
1429     "time or step limit to solve level:", NULL, NULL
1430   },
1431   {
1432     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1433     0,                                  999,
1434     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1435     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1436     &level.score[SC_TIME_BONUS],
1437     "score for time or steps left:",    NULL, NULL
1438   },
1439   {
1440     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1441     0,                                  9999,
1442     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1443     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1444     &level.random_seed,
1445     NULL,                               "random seed:", "(0 => random)"
1446   },
1447   {
1448     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1449     1,                                  MAX_LEVELS,
1450     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1451     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1452     &levelset_num_levels,
1453     "number of levels:",                NULL, NULL,
1454   },
1455   {
1456     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1457     1,                                  100,
1458     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1459     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1460     &random_placement_value,
1461     "random element placement:",        NULL, "in"
1462   },
1463
1464   // ---------- element settings: configure (various elements) ----------------
1465
1466   {
1467     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1468     MIN_SCORE,                          MAX_SCORE,
1469     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1470     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1471     NULL,                               // will be set when used
1472     NULL,                               NULL, NULL
1473   },
1474   {
1475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1476     MIN_SCORE,                          MAX_SCORE,
1477     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1478     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1479     NULL,                               // will be set when used
1480     NULL,                               NULL, NULL
1481   },
1482   {
1483     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1484     MIN_SCORE,                          MAX_SCORE,
1485     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1486     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1487     NULL,                               // will be set when used
1488     NULL,                               NULL, NULL
1489   },
1490   {
1491     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1492     MIN_SCORE,                          MAX_SCORE,
1493     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1494     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1495     NULL,                               // will be set when used
1496     NULL,                               NULL, NULL
1497   },
1498   {
1499     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1500     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1501     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1502     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1503     &level.num_yamyam_contents,
1504     NULL,                               NULL, "number of content areas"
1505   },
1506   {
1507     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1508     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1509     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1510     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1511     &level.num_ball_contents,
1512     NULL,                               NULL, "number of content areas"
1513   },
1514   {
1515     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1516     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1517     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1518     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1519     &level.num_android_clone_elements,
1520     NULL,                               NULL, "number of clonable elements"
1521   },
1522   {
1523     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1524     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1525     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1526     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1527     NULL,                               // will be set when used
1528     NULL,                               NULL, "width",
1529   },
1530   {
1531     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1532     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1533     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1534     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1535     NULL,                               // will be set when used
1536     NULL,                               " ", "height",
1537   },
1538   {
1539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1540     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1541     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1542     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1543     &level.initial_inventory_size[0],
1544     NULL,                               NULL, "number of inventory elements"
1545   },
1546   {
1547     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1548     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1549     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1550     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1551     &level.num_mm_ball_contents,
1552     NULL,                               NULL, "number of content elements"
1553   },
1554
1555   // ---------- element settings: configure 1 (custom elements) ---------------
1556
1557   {
1558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1559     MIN_SCORE,                          MAX_SCORE,
1560     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1561     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1562     &custom_element.collect_score_initial,
1563     NULL,                               "CE score", " "
1564   },
1565   {
1566     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1567     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1568     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1569     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1570     &custom_element.collect_count_initial,
1571     NULL,                               "CE count", NULL
1572   },
1573   {
1574     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1575     0,                                  9999,
1576     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1577     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1578     &custom_element.ce_value_fixed_initial,
1579     NULL,                               "CE value", NULL
1580   },
1581   {
1582     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1583     0,                                  9999,
1584     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1585     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1586     &custom_element.ce_value_random_initial,
1587     NULL,                               "+random", NULL
1588   },
1589   {
1590     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1591     0,                                  999,
1592     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1593     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1594     &custom_element.push_delay_fixed,
1595     NULL,                               "push delay", NULL
1596   },
1597   {
1598     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1599     0,                                  999,
1600     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1601     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1602     &custom_element.push_delay_random,
1603     NULL,                               "+random", NULL
1604   },
1605   {
1606     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1607     0,                                  999,
1608     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1609     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1610     &custom_element.drop_delay_fixed,
1611     NULL,                               "drop delay", NULL
1612   },
1613   {
1614     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1615     0,                                  999,
1616     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1617     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1618     &custom_element.drop_delay_random,
1619     NULL,                               "+random", NULL
1620   },
1621
1622   // ---------- element settings: configure 2 (custom elements) ---------------
1623
1624   {
1625     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1626     0,                                  999,
1627     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1628     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1629     &custom_element.move_delay_fixed,
1630     NULL,                               "move delay", NULL
1631   },
1632   {
1633     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1634     0,                                  999,
1635     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1636     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1637     &custom_element.move_delay_random,
1638     NULL,                               "+random", NULL
1639   },
1640   {
1641     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1642     0,                                  999,
1643     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1644     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1645     &custom_element.step_delay_fixed,
1646     NULL,                               "step delay", NULL
1647   },
1648   {
1649     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1650     0,                                  999,
1651     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1652     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1653     &custom_element.step_delay_random,
1654     NULL,                               "+random", NULL
1655   },
1656   {
1657     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1658     0,                                  999,
1659     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1660     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1661     &custom_element.explosion_delay,
1662     NULL,                               "explosion delay", NULL
1663   },
1664   {
1665     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1666     0,                                  999,
1667     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1668     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1669     &custom_element.ignition_delay,
1670     NULL,                               "ignition delay", "(by fire)"
1671   },
1672
1673   // ---------- element settings: configure (group elements) ------------------
1674
1675   {
1676     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1677     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1678     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1679     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1680     &group_element_info.num_elements,
1681     NULL,                               NULL, "number of elements in group"
1682   },
1683
1684   // ---------- element settings: advanced (custom elements) ------------------
1685
1686   {
1687     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1688     0,                                  999,
1689     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1690     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1691     &custom_element_change.delay_fixed,
1692     NULL,                               "CE delay", NULL,
1693   },
1694   {
1695     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1696     0,                                  999,
1697     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1698     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1699     &custom_element_change.delay_random,
1700     NULL,                               "+random", NULL
1701   },
1702   {
1703     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1704     0,                                  100,
1705     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1706     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1707     &custom_element_change.random_percentage,
1708     NULL,                               "use random replace:", "%"
1709   },
1710 };
1711
1712 static struct
1713 {
1714   int x, y;
1715   int gadget_id;
1716   int size;
1717   char *value;
1718   char *text_above, *infotext;
1719 } textinput_info[ED_NUM_TEXTINPUT] =
1720 {
1721   {
1722     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1723     GADGET_ID_LEVEL_NAME,
1724     MAX_LEVEL_NAME_LEN,
1725     level.name,
1726     "Title:", "Title for this level"
1727   },
1728   {
1729     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1730     GADGET_ID_LEVEL_AUTHOR,
1731     MAX_LEVEL_AUTHOR_LEN,
1732     level.author,
1733     "Author:", "Author for this level"
1734   },
1735   {
1736     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1737     GADGET_ID_LEVELSET_NAME,
1738     MAX_LEVEL_NAME_LEN,
1739     levelset_name,
1740     "Title:", "Title for this or new level set"
1741   },
1742   {
1743     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1744     GADGET_ID_LEVELSET_AUTHOR,
1745     MAX_LEVEL_AUTHOR_LEN,
1746     levelset_author,
1747     "Author:", "Author for this or new level set"
1748   },
1749   {
1750     -1, -1,     // these values are not constant, but can change at runtime
1751     GADGET_ID_ELEMENT_NAME,
1752     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1753     custom_element.description,
1754     NULL, "Element name"
1755   }
1756 };
1757
1758 static struct
1759 {
1760   int x, y;
1761   int gadget_id;
1762   int xsize, ysize;
1763   char *value;
1764   char *text_above, *text_above_cropped, *infotext;
1765 } textarea_info[ED_NUM_TEXTAREAS] =
1766 {
1767   {
1768     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1769     GADGET_ID_ENVELOPE_INFO,
1770     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1771     NULL,
1772     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1773   }
1774 };
1775
1776 static struct ValueTextInfo options_time_or_steps[] =
1777 {
1778   { 0,                          "seconds"                       },
1779   { 1,                          "steps"                         },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_time_score_base[] =
1785 {
1786   { 1,                          "per second/step"               },
1787   { 10,                         "per 10 seconds/steps"          },
1788
1789   { -1,                         NULL                            }
1790 };
1791
1792 static struct ValueTextInfo options_game_engine_type[] =
1793 {
1794   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1795   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1796   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1797   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1798
1799   { -1,                         NULL                            }
1800 };
1801
1802 static struct ValueTextInfo options_levelset_save_mode[] =
1803 {
1804   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1805   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1806
1807   { -1,                         NULL                            }
1808 };
1809
1810 static struct ValueTextInfo options_wind_direction[] =
1811 {
1812   { MV_START_NONE,              "none"                          },
1813   { MV_START_LEFT,              "left"                          },
1814   { MV_START_RIGHT,             "right"                         },
1815   { MV_START_UP,                "up"                            },
1816   { MV_START_DOWN,              "down"                          },
1817
1818   { -1,                         NULL                            }
1819 };
1820
1821 static struct ValueTextInfo options_player_speed[] =
1822 {
1823   { 0,                          "frozen"                        },
1824   { 1,                          "very slow"                     },
1825   { 2,                          "slow"                          },
1826   { 4,                          "normal"                        },
1827   { 8,                          "fast"                          },
1828   { 16,                         "very fast"                     },
1829   { 32,                         "ultrafast"                     },
1830
1831   { -1,                         NULL                            }
1832 };
1833
1834 static struct ValueTextInfo options_access_type[] =
1835 {
1836   { EP_WALKABLE,                "walkable"                      },
1837   { EP_PASSABLE,                "passable"                      },
1838
1839   { -1,                         NULL                            }
1840 };
1841
1842 static struct ValueTextInfo options_access_layer[] =
1843 {
1844   { EP_ACCESSIBLE_OVER,         "over"                          },
1845   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1846   { EP_ACCESSIBLE_UNDER,        "under"                         },
1847
1848   { -1,                         NULL                            }
1849 };
1850
1851 static struct ValueTextInfo options_access_protected[] =
1852 {
1853   { 0,                          "unprotected"                   },
1854   { 1,                          "protected"                     },
1855
1856   { -1,                         NULL                            }
1857 };
1858
1859 static struct ValueTextInfo options_access_direction[] =
1860 {
1861   { MV_NO_DIRECTION,            "no direction"                  },
1862   { MV_LEFT,                    "left"                          },
1863   { MV_RIGHT,                   "right"                         },
1864   { MV_UP,                      "up"                            },
1865   { MV_DOWN,                    "down"                          },
1866   { MV_LEFT  | MV_UP,           "left + up"                     },
1867   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1868   { MV_RIGHT | MV_UP,           "right + up"                    },
1869   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1870   { MV_HORIZONTAL,              "horizontal"                    },
1871   { MV_VERTICAL,                "vertical"                      },
1872   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1873   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1874   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1875   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1876   { MV_ALL_DIRECTIONS,          "all directions"                },
1877
1878   { -1,                         NULL                            }
1879 };
1880
1881 static struct ValueTextInfo options_walk_to_action[] =
1882 {
1883   { EP_DIGGABLE,                "diggable"                      },
1884   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1885   { EP_DROPPABLE,               "collectible & droppable"       },
1886   { EP_THROWABLE,               "collectible & throwable"       },
1887   { EP_PUSHABLE,                "pushable"                      },
1888
1889   { -1,                         NULL                            }
1890 };
1891
1892 static struct ValueTextInfo options_move_pattern[] =
1893 {
1894   { MV_LEFT,                    "left"                          },
1895   { MV_RIGHT,                   "right"                         },
1896   { MV_UP,                      "up"                            },
1897   { MV_DOWN,                    "down"                          },
1898   { MV_HORIZONTAL,              "horizontal"                    },
1899   { MV_VERTICAL,                "vertical"                      },
1900   { MV_ALL_DIRECTIONS,          "all directions"                },
1901   { MV_WIND_DIRECTION,          "wind direction"                },
1902   { MV_TOWARDS_PLAYER,          "towards player"                },
1903   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1904   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1905   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1906   { MV_TURNING_LEFT,            "turning left"                  },
1907   { MV_TURNING_RIGHT,           "turning right"                 },
1908   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1909   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1910   { MV_TURNING_RANDOM,          "turning random"                },
1911   { MV_MAZE_RUNNER,             "maze runner style"             },
1912   { MV_MAZE_HUNTER,             "maze hunter style"             },
1913   { MV_WHEN_PUSHED,             "when pushed"                   },
1914   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1915
1916   { -1,                         NULL                            }
1917 };
1918
1919 static struct ValueTextInfo options_move_direction[] =
1920 {
1921   { MV_START_AUTOMATIC,         "automatic"                     },
1922   { MV_START_LEFT,              "left"                          },
1923   { MV_START_RIGHT,             "right"                         },
1924   { MV_START_UP,                "up"                            },
1925   { MV_START_DOWN,              "down"                          },
1926   { MV_START_RANDOM,            "random"                        },
1927   { MV_START_PREVIOUS,          "previous"                      },
1928
1929   { -1,                         NULL                            }
1930 };
1931
1932 static struct ValueTextInfo options_move_stepsize[] =
1933 {
1934   { 0,                          "not moving"                    },
1935   { 1,                          "very slow"                     },
1936   { 2,                          "slow"                          },
1937   { 4,                          "normal"                        },
1938   { 8,                          "fast"                          },
1939   { 16,                         "very fast"                     },
1940   { 32,                         "even faster"                   },
1941
1942   { -1,                         NULL                            }
1943 };
1944
1945 static struct ValueTextInfo options_move_leave_type[] =
1946 {
1947   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1948   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1949
1950   { -1,                         NULL                            }
1951 };
1952
1953 static struct ValueTextInfo options_smash_targets[] =
1954 {
1955   { EP_CAN_SMASH_PLAYER,        "player"                        },
1956 #if 0
1957   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1958 #endif
1959   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1960
1961   { -1,                         NULL                            }
1962 };
1963
1964 static struct ValueTextInfo options_slippery_type[] =
1965 {
1966   { SLIPPERY_ANY_RANDOM,        "random"                        },
1967   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1968   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1969   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1970   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1971
1972   { -1,                         NULL                            }
1973 };
1974
1975 static struct ValueTextInfo options_deadliness[] =
1976 {
1977   { EP_DONT_RUN_INTO,           "running into"                  },
1978   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1979   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1980   { EP_DONT_TOUCH,              "touching"                      },
1981
1982   { -1,                         NULL                            }
1983 };
1984
1985 static struct ValueTextInfo options_explosion_type[] =
1986 {
1987   { EXPLODES_3X3,               "3x3"                           },
1988   { EXPLODES_CROSS,             "3+3"                           },
1989   { EXPLODES_1X1,               "1x1"                           },
1990
1991   { -1,                         NULL                            }
1992 };
1993
1994 static struct ValueTextInfo options_time_units[] =
1995 {
1996   { 1,                          "frames"                        },
1997   { FRAMES_PER_SECOND,          "seconds"                       },
1998
1999   { -1,                         NULL                            }
2000 };
2001
2002 static struct ValueTextInfo options_change_direct_action[] =
2003 {
2004   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2005   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2006   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2007   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2008   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2009   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2010   { CE_LEFT_BY_PLAYER,          "left by player"                },
2011   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2012   { CE_SWITCHED,                "switched"                      },
2013   { CE_HITTING_SOMETHING,       "hitting something"             },
2014   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2015 #if 0
2016   { CE_BLOCKED,                 "blocked"                       },
2017 #endif
2018   { CE_IMPACT,                  "impact (on something)"         },
2019   { CE_SMASHED,                 "smashed (from above)"          },
2020 #if 0
2021   { CE_VALUE_CHANGES,           "CE value changes"              },
2022   { CE_SCORE_CHANGES,           "CE score changes"              },
2023 #endif
2024   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2025   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2026   { CE_UNDEFINED,               " "                             },
2027   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2028   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2029   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2030   { CE_UNDEFINED,               " "                             },
2031   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2032   { CE_NEXT_TO_PLAYER,          "next to player"                },
2033
2034   { -1,                         NULL                            }
2035 };
2036
2037 static struct ValueTextInfo options_change_other_action[] =
2038 {
2039   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2040   { CE_PLAYER_PRESSES_X,        "player presses"                },
2041   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2042   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2043   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2044   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2045   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2046   { CE_PLAYER_DIGS_X,           "player digs"                   },
2047   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2048   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2049   { CE_TOUCHING_X,              "touching"                      },
2050   { CE_HITTING_X,               "hitting"                       },
2051   { CE_DIGGING_X,               "digging"                       },
2052   { CE_HIT_BY_X,                "hit by"                        },
2053   { CE_SWITCH_OF_X,             "switch of"                     },
2054   { CE_CHANGE_OF_X,             "change by page of"             },
2055   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2056   { CE_MOVE_OF_X,               "move of"                       },
2057   { CE_CREATION_OF_X,           "creation of"                   },
2058   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2059   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2060   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2061   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2062   { CE_UNDEFINED,               " "                             },
2063   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2064   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2065   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2066   { CE_UNDEFINED,               " "                             },
2067   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2068   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2069   { CE_NEXT_TO_X,               "next to"                       },
2070
2071   { -1,                         NULL                            }
2072 };
2073
2074 static struct ValueTextInfo options_change_trigger_side[] =
2075 {
2076   { CH_SIDE_LEFT,               "left"                          },
2077   { CH_SIDE_RIGHT,              "right"                         },
2078   { CH_SIDE_TOP,                "top"                           },
2079   { CH_SIDE_BOTTOM,             "bottom"                        },
2080   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2081   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2082   { CH_SIDE_ANY,                "any"                           },
2083
2084   { -1,                         NULL                            }
2085 };
2086
2087 static struct ValueTextInfo options_change_trigger_player[] =
2088 {
2089   { CH_PLAYER_1,                "1"                             },
2090   { CH_PLAYER_2,                "2"                             },
2091   { CH_PLAYER_3,                "3"                             },
2092   { CH_PLAYER_4,                "4"                             },
2093   { CH_PLAYER_ANY,              "any"                           },
2094
2095   { -1,                         NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_change_trigger_page[] =
2099 {
2100   { (1u << 0),                  "1"                             },
2101   { (1u << 1),                  "2"                             },
2102   { (1u << 2),                  "3"                             },
2103   { (1u << 3),                  "4"                             },
2104   { (1u << 4),                  "5"                             },
2105   { (1u << 5),                  "6"                             },
2106   { (1u << 6),                  "7"                             },
2107   { (1u << 7),                  "8"                             },
2108   { (1u << 8),                  "9"                             },
2109   { (1u << 9),                  "10"                            },
2110   { (1u << 10),                 "11"                            },
2111   { (1u << 11),                 "12"                            },
2112   { (1u << 12),                 "13"                            },
2113   { (1u << 13),                 "14"                            },
2114   { (1u << 14),                 "15"                            },
2115   { (1u << 15),                 "16"                            },
2116   { (1u << 16),                 "17"                            },
2117   { (1u << 17),                 "18"                            },
2118   { (1u << 18),                 "19"                            },
2119   { (1u << 19),                 "20"                            },
2120   { (1u << 20),                 "21"                            },
2121   { (1u << 21),                 "22"                            },
2122   { (1u << 22),                 "23"                            },
2123   { (1u << 23),                 "24"                            },
2124   { (1u << 24),                 "25"                            },
2125   { (1u << 25),                 "26"                            },
2126   { (1u << 26),                 "27"                            },
2127   { (1u << 27),                 "28"                            },
2128   { (1u << 28),                 "29"                            },
2129   { (1u << 29),                 "30"                            },
2130   { (1u << 30),                 "31"                            },
2131   { (1u << 31),                 "32"                            },
2132   { CH_PAGE_ANY,                "any"                           },
2133
2134   { -1,                         NULL                            }
2135 };
2136
2137 static struct ValueTextInfo options_change_replace_when[] =
2138 {
2139   { CP_WHEN_EMPTY,              "empty"                         },
2140   { CP_WHEN_WALKABLE,           "walkable"                      },
2141   { CP_WHEN_DIGGABLE,           "diggable"                      },
2142   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2143   { CP_WHEN_REMOVABLE,          "removable"                     },
2144   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2145
2146   { -1,                         NULL                            }
2147 };
2148
2149 static struct ValueTextInfo options_action_type[] =
2150 {
2151   { CA_NO_ACTION,               "no action"                     },
2152   { CA_UNDEFINED,               " "                             },
2153   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2154   { CA_RESTART_LEVEL,           "restart level"                 },
2155   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2156   { CA_SET_LEVEL_TIME,          "set time"                      },
2157   { CA_SET_LEVEL_SCORE,         "set score"                     },
2158   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2159   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2160   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2161   { CA_UNDEFINED,               " "                             },
2162   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2163   { CA_MOVE_PLAYER,             "move player"                   },
2164   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2165   { CA_EXIT_PLAYER,             "exit player"                   },
2166   { CA_KILL_PLAYER,             "kill player"                   },
2167   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2168   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2169   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2170   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2171   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2172   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2173   { CA_UNDEFINED,               " "                             },
2174   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2175   { CA_SET_CE_VALUE,            "set CE value"                  },
2176   { CA_SET_CE_SCORE,            "set CE score"                  },
2177   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2178   { CA_UNDEFINED,               " "                             },
2179   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2180   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2181
2182   { -1,                         NULL                            }
2183 };
2184
2185 static struct ValueTextInfo options_action_mode_none[] =
2186 {
2187   { CA_MODE_UNDEFINED,          " "                             },
2188
2189   { -1,                         NULL                            }
2190 };
2191
2192 static struct ValueTextInfo options_action_mode_assign[] =
2193 {
2194   { CA_MODE_SET,                "="                             },
2195
2196   { -1,                         NULL                            }
2197 };
2198
2199 static struct ValueTextInfo options_action_mode_add_remove[] =
2200 {
2201   { CA_MODE_ADD,                "+"                             },
2202   { CA_MODE_SUBTRACT,           "-"                             },
2203
2204   { -1,                         NULL                            }
2205 };
2206
2207 static struct ValueTextInfo options_action_mode_calculate[] =
2208 {
2209   { CA_MODE_SET,                "="                             },
2210   { CA_MODE_ADD,                "+"                             },
2211   { CA_MODE_SUBTRACT,           "-"                             },
2212   { CA_MODE_MULTIPLY,           "*"                             },
2213   { CA_MODE_DIVIDE,             "/"                             },
2214   { CA_MODE_MODULO,             "%"                             },
2215
2216   { -1,                         NULL                            }
2217 };
2218
2219 static struct ValueTextInfo options_action_arg_none[] =
2220 {
2221   { CA_ARG_UNDEFINED,           "         "                     },
2222
2223   { -1,                         NULL                            }
2224 };
2225
2226 static struct ValueTextInfo options_action_arg_player[] =
2227 {
2228   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2229   { CA_ARG_PLAYER_1,            "1"                             },
2230   { CA_ARG_PLAYER_2,            "2"                             },
2231   { CA_ARG_PLAYER_3,            "3"                             },
2232   { CA_ARG_PLAYER_4,            "4"                             },
2233   { CA_ARG_PLAYER_ANY,          "any"                           },
2234   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2235   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2236
2237   { -1,                         NULL                            }
2238 };
2239
2240 static struct ValueTextInfo options_action_arg_number[] =
2241 {
2242   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2243   { CA_ARG_0,                   "0"                             },
2244   { CA_ARG_1,                   "1"                             },
2245   { CA_ARG_2,                   "2"                             },
2246   { CA_ARG_3,                   "3"                             },
2247   { CA_ARG_4,                   "4"                             },
2248   { CA_ARG_5,                   "5"                             },
2249   { CA_ARG_10,                  "10"                            },
2250   { CA_ARG_100,                 "100"                           },
2251   { CA_ARG_1000,                "1000"                          },
2252   { CA_ARG_UNDEFINED,           " "                             },
2253   { CA_ARG_NUMBER_MIN,          "min"                           },
2254   { CA_ARG_NUMBER_MAX,          "max"                           },
2255   { CA_ARG_UNDEFINED,           " "                             },
2256   { CA_ARG_NUMBER_RESET,        "reset"                         },
2257   { CA_ARG_UNDEFINED,           " "                             },
2258   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2259   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2260   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2261   { CA_ARG_UNDEFINED,           " "                             },
2262   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2263   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2264   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2265   { CA_ARG_UNDEFINED,           " "                             },
2266   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2267   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2268   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2269   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2270   { CA_ARG_UNDEFINED,           " "                             },
2271   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2272   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2273   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2274   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2275
2276   { -1,                         NULL                            }
2277 };
2278
2279 static struct ValueTextInfo options_action_arg_value[] =
2280 {
2281   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2282   { CA_ARG_0,                   "0"                             },
2283   { CA_ARG_1,                   "1"                             },
2284   { CA_ARG_2,                   "2"                             },
2285   { CA_ARG_3,                   "3"                             },
2286   { CA_ARG_4,                   "4"                             },
2287   { CA_ARG_5,                   "5"                             },
2288   { CA_ARG_10,                  "10"                            },
2289   { CA_ARG_100,                 "100"                           },
2290   { CA_ARG_1000,                "1000"                          },
2291   { CA_ARG_UNDEFINED,           " "                             },
2292   { CA_ARG_NUMBER_MIN,          "min"                           },
2293   { CA_ARG_NUMBER_MAX,          "max"                           },
2294   { CA_ARG_UNDEFINED,           " "                             },
2295   { CA_ARG_NUMBER_RESET,        "reset"                         },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2298   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2299   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2300   { CA_ARG_UNDEFINED,           " "                             },
2301   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2302   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2303   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2304   { CA_ARG_UNDEFINED,           " "                             },
2305   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2306   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2307   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2308   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2309   { CA_ARG_UNDEFINED,           " "                             },
2310   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2311   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2312   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2313   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2314   { CA_ARG_UNDEFINED,           " "                             },
2315   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2316   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2317   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2318   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2319
2320   { -1,                         NULL                            }
2321 };
2322
2323 static struct ValueTextInfo options_action_arg_envelope[] =
2324 {
2325   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2326   { CA_ARG_1,                   "1"                             },
2327   { CA_ARG_2,                   "2"                             },
2328   { CA_ARG_3,                   "3"                             },
2329   { CA_ARG_4,                   "4"                             },
2330   { CA_ARG_UNDEFINED,           " "                             },
2331   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2332   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2333   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2334   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2335
2336   { -1,                         NULL                            }
2337 };
2338
2339 static struct ValueTextInfo options_action_arg_key[] =
2340 {
2341   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2342   { CA_ARG_1,                   "1"                             },
2343   { CA_ARG_2,                   "2"                             },
2344   { CA_ARG_3,                   "3"                             },
2345   { CA_ARG_4,                   "4"                             },
2346   { CA_ARG_5,                   "5"                             },
2347   { CA_ARG_6,                   "6"                             },
2348   { CA_ARG_7,                   "7"                             },
2349   { CA_ARG_8,                   "8"                             },
2350   { CA_ARG_UNDEFINED,           " "                             },
2351   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2352   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2353   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2354   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2355
2356   { -1,                         NULL                            }
2357 };
2358
2359 static struct ValueTextInfo options_action_arg_speed[] =
2360 {
2361   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2362   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2363   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2364   { CA_ARG_SPEED_SLOW,          "slow"                          },
2365   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2366   { CA_ARG_SPEED_FAST,          "fast"                          },
2367   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2368   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2369   { CA_ARG_UNDEFINED,           " "                             },
2370   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2371   { CA_ARG_SPEED_FASTER,        "faster"                        },
2372   { CA_ARG_UNDEFINED,           " "                             },
2373   { CA_ARG_SPEED_RESET,         "reset"                         },
2374
2375   { -1,                         NULL                            }
2376 };
2377
2378 static struct ValueTextInfo options_action_arg_shield[] =
2379 {
2380   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2381   { CA_ARG_SHIELD_OFF,          "off"                           },
2382   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2383   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2384
2385   { -1,                         NULL                            }
2386 };
2387
2388 static struct ValueTextInfo options_action_arg_artwork[] =
2389 {
2390   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2391   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2392   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2393   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2394   { CA_ARG_UNDEFINED,           " "                             },
2395   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2396
2397   { -1,                         NULL                            }
2398 };
2399
2400 static struct ValueTextInfo options_action_arg_gravity[] =
2401 {
2402   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2403   { CA_ARG_GRAVITY_ON,          "on"                            },
2404   { CA_ARG_GRAVITY_OFF,         "off"                           },
2405   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2406
2407   { -1,                         NULL                            }
2408 };
2409
2410 static struct ValueTextInfo options_action_arg_direction[] =
2411 {
2412   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2413   { CA_ARG_DIRECTION_NONE,      "none"                          },
2414   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2415   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2416   { CA_ARG_DIRECTION_UP,        "up"                            },
2417   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2418   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2419   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2420
2421   { -1,                         NULL                            }
2422 };
2423
2424 static struct ValueTextInfo options_action_arg_scan_mode[] =
2425 {
2426   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2427   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2428   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2429
2430   { -1,                         NULL                            }
2431 };
2432
2433 static struct ValueTextInfo options_action_arg_inventory[] =
2434 {
2435   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2436   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2437   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2438   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2439   { CA_ARG_UNDEFINED,           " "                             },
2440   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2441   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2442   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2443   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2444   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2445   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2446   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2447   { CA_ARG_UNDEFINED,           " "                             },
2448   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2449
2450   { -1,                         NULL                            }
2451 };
2452
2453 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2454 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2455 {
2456   { -1,                         NULL                            }
2457 };
2458
2459 static struct ValueTextInfo options_group_choice_mode[] =
2460 {
2461   { ANIM_RANDOM,                "random"                        },
2462   { ANIM_LOOP,                  "loop"                          },
2463   { ANIM_LINEAR,                "linear"                        },
2464   { ANIM_PINGPONG,              "pingpong"                      },
2465   { ANIM_PINGPONG2,             "pingpong 2"                    },
2466
2467   { -1,                         NULL                            }
2468 };
2469
2470 static struct ValueTextInfo *action_arg_modes[] =
2471 {
2472   options_action_mode_none,
2473   options_action_mode_assign,
2474   options_action_mode_add_remove,
2475   options_action_mode_calculate,
2476 };
2477
2478 static struct
2479 {
2480   int value;
2481   int mode;
2482   struct ValueTextInfo *options;
2483 }
2484 action_arg_options[] =
2485 {
2486   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2487   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2488   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2489   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2490   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2491   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2492   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2493   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2494   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2495   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2496   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2497   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2498   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2499   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2500   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2501   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2502   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2503   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2504   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2505   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2506   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2507   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2508
2509   { -1,                         FALSE,  NULL                            }
2510 };
2511
2512 static struct
2513 {
2514   int x, y;
2515   int gadget_id;
2516   int gadget_id_align;
2517   int size;     // char size of selectbox or '-1' (dynamically determined)
2518   struct ValueTextInfo *options;
2519   int *value;
2520   char *text_above, *text_left, *text_right, *infotext;
2521 } selectbox_info[ED_NUM_SELECTBOX] =
2522 {
2523   // ---------- level and editor settings -------------------------------------
2524
2525   {
2526     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2527     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2528     -1,
2529     options_time_or_steps,
2530     &level.use_step_counter,
2531     NULL, NULL, "(0 => no limit)",      "time or step limit"
2532   },
2533   {
2534     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2535     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2536     -1,
2537     options_time_score_base,
2538     &level.time_score_base,
2539     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2540   },
2541   {
2542     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2543     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2544     -1,
2545     options_game_engine_type,
2546     &level.game_engine_type,
2547     NULL, "game engine:", NULL,         "game engine"
2548   },
2549   {
2550     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2551     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2552     -1,
2553     options_levelset_save_mode,
2554     &levelset_save_mode,
2555     "Action:", NULL, NULL,              "action when saving level set"
2556   },
2557
2558   // ---------- element settings: configure (several elements) ----------------
2559
2560   {
2561     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2562     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2563     -1,
2564     options_wind_direction,
2565     &level.wind_direction_initial,
2566     NULL, "initial wind direction:", NULL,      "initial wind direction"
2567   },
2568   {
2569     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2570     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2571     -1,
2572     options_player_speed,
2573     &level.initial_player_stepsize[0],
2574     NULL, "initial player speed:", NULL,        "initial player speed"
2575   },
2576   {
2577     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2578     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2579     -1,
2580     options_group_choice_mode,
2581     &level.mm_ball_choice_mode,
2582     NULL, "choice type:", NULL,         "type of content choice"
2583   },
2584
2585   // ---------- element settings: configure 1 (custom elements) ---------------
2586
2587   {
2588     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2589     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2590     -1,
2591     options_access_type,
2592     &custom_element.access_type,
2593     NULL, NULL, NULL,                   "type of access to this field"
2594   },
2595   {
2596     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2597     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2598     -1,
2599     options_access_layer,
2600     &custom_element.access_layer,
2601     NULL, NULL, NULL,                   "layer of access for this field"
2602   },
2603   {
2604     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2605     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2606     -1,
2607     options_access_protected,
2608     &custom_element.access_protected,
2609     NULL, NULL, NULL,                   "protected access for this field"
2610   },
2611   {
2612     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2613     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2614     -1,
2615     options_access_direction,
2616     &custom_element.access_direction,
2617     NULL, "from", NULL,                 "access direction for this field"
2618   },
2619   {
2620     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2621     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2622     -1,
2623     options_walk_to_action,
2624     &custom_element.walk_to_action,
2625     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2626   },
2627
2628   // ---------- element settings: configure 2 (custom elements) ---------------
2629
2630   {
2631     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2632     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2633     -1,
2634     options_move_pattern,
2635     &custom_element.move_pattern,
2636     NULL, "can move", NULL,             "element move pattern"
2637   },
2638   {
2639     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2640     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2641     -1,
2642     options_move_direction,
2643     &custom_element.move_direction_initial,
2644     NULL, "starts moving", NULL,        "initial element move direction"
2645   },
2646   {
2647     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2648     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2649     -1,
2650     options_move_stepsize,
2651     &custom_element.move_stepsize,
2652     NULL, "move/fall speed", NULL,      "speed of element movement"
2653   },
2654   {
2655     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2656     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2657     -1,
2658     options_move_leave_type,
2659     &custom_element.move_leave_type,
2660     // left text with leading spaces to place gadget next to "can dig" gadget
2661     // (needed because drawing area gadgets created after selectbox gadgets)
2662     // NULL, "can dig:    can", ":",    "leave behind or change element"
2663     NULL, "            can", ":",       "leave behind or change element"
2664   },
2665   {
2666     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2667     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2668     -1,
2669     options_smash_targets,
2670     &custom_element.smash_targets,
2671     NULL, "can smash", NULL,            "elements that can be smashed"
2672   },
2673   {
2674     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2675     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2676     -1,
2677     options_slippery_type,
2678     &custom_element.slippery_type,
2679     NULL, "slippery", NULL,             "where other elements fall down"
2680   },
2681   {
2682     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2683     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2684     -1,
2685     options_deadliness,
2686     &custom_element.deadliness,
2687     NULL, "deadly when", NULL,          "deadliness of element"
2688   },
2689   {
2690     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2691     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2692     -1,
2693     options_explosion_type,
2694     &custom_element.explosion_type,
2695     NULL, "can explode", NULL,          "explosion type"
2696   },
2697
2698   // ---------- element settings: advanced (custom elements) ------------------
2699
2700   {
2701     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2702     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2703     -1,
2704     options_time_units,
2705     &custom_element_change.delay_frames,
2706     NULL, "delay time given in", NULL,  "delay time units for change"
2707   },
2708   {
2709     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2710     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2711     -1,
2712     options_change_direct_action,
2713     &custom_element_change.direct_action,
2714     NULL, NULL, NULL,                   "type of direct action"
2715   },
2716   {
2717     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2718     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2719     -1,
2720     options_change_other_action,
2721     &custom_element_change.other_action,
2722     NULL, NULL, "element:",             "type of other element action"
2723   },
2724   {
2725     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2726     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2727     -1,
2728     options_change_trigger_side,
2729     &custom_element_change.trigger_side,
2730     NULL, "at", "side",                 "element side triggering change"
2731   },
2732   {
2733     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2734     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2735     -1,
2736     options_change_trigger_player,
2737     &custom_element_change.trigger_player,
2738     NULL, "player:", " ",               "player that causes change"
2739   },
2740   {
2741     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2742     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2743     -1,
2744     options_change_trigger_page,
2745     &custom_element_change.trigger_page,
2746     NULL, "page:", NULL,                "change page that causes change"
2747   },
2748   {
2749     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2750     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2751     -1,
2752     options_change_replace_when,
2753     &custom_element_change.replace_when,
2754     NULL, "replace when", NULL,         "which elements can be replaced"
2755   },
2756   {
2757     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2758     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2759     15,
2760     options_action_type,
2761     &custom_element_change.action_type,
2762     NULL, NULL, NULL,                   "action on specified condition"
2763   },
2764   {
2765     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2766     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2767     -1,
2768     options_action_mode_none,
2769     &custom_element_change.action_mode,
2770     NULL, NULL, NULL,                   "action operator"
2771   },
2772   {
2773     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2774     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2775     -1,
2776     options_action_arg_none,
2777     &custom_element_change.action_arg,
2778     NULL, NULL, NULL,                   "action parameter"
2779   },
2780   {
2781     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2782     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2783     3,
2784     options_change_page,
2785     &custom_element.current_change_page,
2786     NULL, NULL, NULL,                   "element change page"
2787   },
2788
2789   // ---------- element settings: configure (group elements) ------------------
2790
2791   {
2792     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2793     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2794     -1,
2795     options_group_choice_mode,
2796     &group_element_info.choice_mode,
2797     NULL, "choice type:", NULL,         "type of group element choice"
2798   },
2799 };
2800
2801 static struct
2802 {
2803   int x, y;
2804   int gadget_id;
2805   int gadget_id_align;
2806   int size;
2807   char *text;
2808   char *text_above, *text_left, *text_right, *infotext;
2809 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2810 {
2811   // ---------- level and editor settings (tabs) ------------------------------
2812
2813   {
2814     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2815     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2816     8,                                  "Level",
2817     NULL, NULL, NULL,                   "Configure level properties"
2818   },
2819   {
2820     -1,                                 -1,
2821     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2822     8,                                  "Levelset",
2823     NULL, NULL, NULL,                   "Update this or create new level set"
2824   },
2825   {
2826     -1,                                 -1,
2827     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2828     8,                                  "Editor",
2829     NULL, NULL, NULL,                   "Configure editor properties"
2830   },
2831
2832   // ---------- element settings (tabs) ---------------------------------------
2833
2834   {
2835     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2836     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2837     8,                                  "Info",
2838     NULL, NULL, NULL,                   "Show information about element"
2839   },
2840   {
2841     -1,                                 -1,
2842     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2843     8,                                  "Config",
2844     NULL, NULL, NULL,                   "Configure element properties"
2845   },
2846   {
2847     -1,                                 -1,
2848     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2849     8,                                  "Config 1",
2850     NULL, NULL, NULL,                   "Configure element properties, part 1"
2851   },
2852   {
2853     -1,                                 -1,
2854     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2855     8,                                  "Config 2",
2856     NULL, NULL, NULL,                   "Configure element properties, part 2"
2857   },
2858   {
2859     -1,                                 -1,
2860     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2861     8,                                  "Change",
2862     NULL, NULL, NULL,                   "Configure custom element change pages"
2863   },
2864
2865   // ---------- level and editor settings (buttons) ---------------------------
2866
2867   {
2868     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2869     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2870     -1,                                 "Save",
2871     NULL, NULL, NULL,                   "Update or create level set"
2872   },
2873   {
2874     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2875     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2876     -1,                                 "Save",
2877     NULL, NULL,                         "this level as level template",
2878     "Save current settings as new template"
2879   },
2880
2881   // ---------- element settings (buttons) ------------------------------------
2882
2883   {
2884     -1,                                 -1,
2885     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2886     -1,                                 "Save",
2887     NULL, " ",                          "As Template",
2888     "Save current settings as new template"
2889   },
2890   {
2891     -1,                                 -1,
2892     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2893     -1,                                 "New",
2894     NULL, NULL, NULL,                   "Add new change page"
2895   },
2896   {
2897     -1,                                 -1,
2898     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2899     -1,                                 "Delete",
2900     NULL, NULL, NULL,                   "Delete current change page"
2901   },
2902 };
2903
2904 static struct
2905 {
2906   int graphic;
2907   int x, y;
2908   int gadget_id;
2909   int gadget_id_align;
2910   char *text_left, *text_right, *infotext;
2911 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2912 {
2913   {
2914     IMG_EDITOR_COUNTER_DOWN,
2915     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2916     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2917     NULL, NULL,                         "select previous change page"
2918   },
2919   {
2920     IMG_EDITOR_COUNTER_UP,
2921     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2922     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2923     NULL, "change page",                "select next change page"
2924   },
2925   {
2926     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2927     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2928     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2929     " ", NULL,                          "copy settings from this change page"
2930   },
2931   {
2932     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2933     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2934     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2935     NULL, NULL,                         "paste settings to this change page"
2936   },
2937 };
2938
2939 static struct
2940 {
2941   int x, y;
2942 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2943
2944 static struct
2945 {
2946   int graphic;
2947   int gadget_id;
2948   char *infotext;
2949 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2950 {
2951   {
2952     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2953     GADGET_ID_SCROLL_UP,
2954     "scroll level editing area up"
2955   },
2956   {
2957     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2958     GADGET_ID_SCROLL_DOWN,
2959     "scroll level editing area down"
2960   },
2961   {
2962     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2963     GADGET_ID_SCROLL_LEFT,
2964     "scroll level editing area left"
2965   },
2966   {
2967     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2968     GADGET_ID_SCROLL_RIGHT,
2969     "scroll level editing area right"
2970   },
2971   {
2972     IMG_EDITOR_PALETTE_SCROLL_UP,
2973     GADGET_ID_SCROLL_LIST_UP,
2974     "scroll element list up ('Page Up')"
2975   },
2976   {
2977     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2978     GADGET_ID_SCROLL_LIST_DOWN,
2979     "scroll element list down ('Page Down')"
2980   },
2981 };
2982
2983 static struct
2984 {
2985   int x, y;
2986   int width, height;
2987   int wheel_x, wheel_y;
2988   int wheel_width, wheel_height;
2989 } scrollbar_pos[ED_NUM_SCROLLBARS];
2990
2991 static struct
2992 {
2993   int graphic;
2994   int type;
2995   int gadget_id;
2996   char *infotext;
2997 } scrollbar_info[ED_NUM_SCROLLBARS] =
2998 {
2999   {
3000     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3001     GD_TYPE_SCROLLBAR_HORIZONTAL,
3002     GADGET_ID_SCROLL_HORIZONTAL,
3003     "scroll level editing area horizontally"
3004   },
3005   {
3006     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3007     GD_TYPE_SCROLLBAR_VERTICAL,
3008     GADGET_ID_SCROLL_VERTICAL,
3009     "scroll level editing area vertically"
3010   },
3011   {
3012     IMG_EDITOR_PALETTE_SCROLLBAR,
3013     GD_TYPE_SCROLLBAR_VERTICAL,
3014     GADGET_ID_SCROLL_LIST_VERTICAL,
3015     "scroll element list vertically"
3016   }
3017 };
3018
3019
3020 static struct
3021 {
3022   int x, y;
3023   int gadget_id;
3024   int gadget_id_align;
3025   int radio_button_nr;
3026   int *value;
3027   int checked_value;
3028   char *text_left, *text_right, *infotext;
3029 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3030 {
3031   {
3032     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3033     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3034     RADIO_NR_RANDOM_ELEMENTS,
3035     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3036     " ", "percentage",                  "use percentage for random elements"
3037   },
3038   {
3039     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3040     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3041     RADIO_NR_RANDOM_ELEMENTS,
3042     &random_placement_method,           RANDOM_USE_QUANTITY,
3043     " ", "quantity",                    "use quantity for random elements"
3044   }
3045 };
3046
3047 static struct
3048 {
3049   int x, y;
3050   int gadget_id;
3051   int gadget_id_align;
3052   boolean *value;
3053   char *text_above, *text_left, *text_right, *infotext;
3054 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3055 {
3056   // ---------- level and editor settings -------------------------------------
3057
3058   {
3059     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3060     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3061     &level.auto_count_gems,
3062     NULL, NULL,
3063     "automatically count gems needed",  "set counter to number of gems"
3064   },
3065   {
3066     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3067     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3068     &level.rate_time_over_score,
3069     NULL, NULL,
3070     "rate time/steps used over score",  "sort high scores by playing time/steps"
3071   },
3072   {
3073     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3074     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3075     &levelset_use_levelset_artwork,
3076     NULL, NULL,
3077     "use current custom artwork",       "use custom artwork of this level set"
3078   },
3079   {
3080     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3081     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3082     &levelset_copy_level_template,
3083     NULL, NULL,
3084     "copy current level template",      "copy level template of this level set"
3085   },
3086   {
3087     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3088     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3089     &random_placement_background_restricted,
3090     NULL, NULL,
3091     "restrict random placement to:",    "set random placement restriction"
3092   },
3093   {
3094     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3095     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3096     &setup.editor.use_template_for_new_levels,
3097     "Template for new levels and CE/GE:", NULL,
3098     "use template for new levels",      "use template for level properties"
3099   },
3100   {
3101     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3102     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3103     &level.use_custom_template,
3104     NULL, NULL,
3105     "use template for custom elements", "use template for custom properties"
3106   },
3107
3108   // ---------- element settings: configure (various elements) ----------------
3109
3110   {
3111     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3112     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3113     &stick_element_properties_window,
3114     NULL, NULL,
3115     "stick this screen to edit content","stick this screen to edit content"
3116   },
3117   {
3118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3119     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3120     &level.em_slippery_gems,
3121     NULL, NULL,
3122     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3123   },
3124   {
3125     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3126     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3127     &level.em_explodes_by_fire,
3128     NULL, NULL,
3129     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3130   },
3131   {
3132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3133     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3134     &level.use_spring_bug,
3135     NULL, NULL,
3136     "use spring pushing bug",           "use odd spring pushing behaviour"
3137   },
3138   {
3139     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3140     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3141     &level.use_time_orb_bug,
3142     NULL, NULL,
3143     "use time orb bug",                 "use odd time orb behaviour"
3144   },
3145   {
3146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3147     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3148     &level.use_life_bugs,
3149     NULL, NULL,
3150     "use buggy element behaviour",      "use odd (historic) element behaviour"
3151   },
3152   {
3153     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3154     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3155     &level.ball_random,
3156     NULL, NULL,
3157     "create single random element",     "only create one element from content"
3158   },
3159   {
3160     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3161     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3162     &level.ball_active_initial,
3163     NULL, NULL,
3164     "magic ball initially activated",   "activate magic ball after level start"
3165   },
3166   {
3167     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3168     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3169     &level.grow_into_diggable,
3170     NULL, NULL,
3171     "can grow into anything diggable",  "grow into more than just sand"
3172   },
3173   {
3174     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3175     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3176     &level.sb_fields_needed,
3177     NULL, NULL,
3178     "all fields need to be filled",     "require all SB fields to be solved"
3179   },
3180   {
3181     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3182     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3183     &level.sb_objects_needed,
3184     NULL, NULL,
3185     "all objects need to be placed",    "require all SB objects to be solved"
3186   },
3187   {
3188     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3189     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3190     &level.auto_exit_sokoban,
3191     NULL, NULL,
3192     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3193   },
3194   {
3195     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3196     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3197     &level.solved_by_one_player,
3198     NULL, NULL,
3199     "only one player must enter exit",  "level solved by first player in exit"
3200   },
3201   {
3202     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3203     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3204     &level.finish_dig_collect,
3205     NULL, NULL,
3206     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3207   },
3208   {
3209     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3210     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3211     &level.keep_walkable_ce,
3212     NULL, NULL,
3213     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3214   },
3215   {
3216     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3217     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3218     &level.continuous_snapping,
3219     NULL, NULL,
3220     "continuous snapping",              "use snapping without releasing key"
3221   },
3222   {
3223     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3224     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3225     &level.block_snap_field,
3226     NULL, NULL,
3227     "block snapped field when snapping", "use snapping delay to show animation"
3228   },
3229   {
3230     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3231     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3232     &level.block_last_field,
3233     NULL, NULL,
3234     "block last field when moving",     "player blocks last field when moving"
3235   },
3236   {
3237     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3238     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3239     &level.sp_block_last_field,
3240     NULL, NULL,
3241     "block last field when moving",     "player blocks last field when moving"
3242   },
3243   {
3244     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3245     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3246     &level.instant_relocation,
3247     NULL, NULL,
3248     "no scrolling when relocating",     "player gets relocated without delay"
3249   },
3250   {
3251     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3252     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3253     &level.shifted_relocation,
3254     NULL, NULL,
3255     "no centering when relocating",     "level not centered after relocation"
3256   },
3257   {
3258     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3259     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3260     &level.lazy_relocation,
3261     NULL, NULL,
3262     "only redraw off-screen relocation","no redraw if relocation target visible"
3263   },
3264   {
3265     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3266     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3267     &level.use_start_element[0],
3268     NULL, NULL,
3269     "use level start element:",        "start level at this element's position"
3270   },
3271   {
3272     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3273     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3274     &level.use_artwork_element[0],
3275     NULL, NULL,
3276     "use artwork from element:",        "use player artwork from other element"
3277   },
3278   {
3279     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3280     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3281     &level.use_explosion_element[0],
3282     NULL, NULL,
3283     "use explosion from element:",      "use explosion properties from element"
3284   },
3285   {
3286     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3287     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3288     &level.initial_player_gravity[0],
3289     NULL, NULL,
3290     "use initial gravity",              "set initial player gravity"
3291   },
3292   {
3293     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3294     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3295     &level.use_initial_inventory[0],
3296     NULL, NULL,
3297     "use initial inventory:",           "use collected elements on level start"
3298   },
3299   {
3300     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3301     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3302     &level.can_pass_to_walkable,
3303     NULL, NULL,
3304     "can pass to walkable element",     "player can pass to empty or walkable"
3305   },
3306   {
3307     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3308     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3309     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3310     NULL, NULL,
3311     "can fall into acid (with gravity)","player can fall into acid pool"
3312   },
3313   {
3314     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3315     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3316     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3317     NULL, NULL,
3318     "can move into acid",               "element can move into acid pool"
3319   },
3320   {
3321     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3322     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3323     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3324     NULL, NULL,
3325     "deadly when colliding with",       "element is deadly when hitting player"
3326   },
3327   {
3328     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3329     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3330     &level.envelope[0].autowrap,
3331     NULL, NULL,
3332     "auto-wrap",                        "automatically wrap envelope text"
3333   },
3334   {
3335     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3336     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3337     &level.envelope[0].centered,
3338     NULL, " ",
3339     "centered",                         "automatically center envelope text"
3340   },
3341   {
3342     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3343     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3344     &level.mm_laser_red,
3345     "choose color components for laser:", NULL,
3346     "red",                              "use red color components in laser"
3347   },
3348   {
3349     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3350     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3351     &level.mm_laser_green,
3352     NULL, NULL,
3353     "green",                            "use green color components in laser"
3354   },
3355   {
3356     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3357     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3358     &level.mm_laser_blue,
3359     NULL, NULL,
3360     "blue",                             "use blue color components in laser"
3361   },
3362   {
3363     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3364     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3365     &level.df_laser_red,
3366     "choose color components for laser:", NULL,
3367     "red",                              "use red color components in laser"
3368   },
3369   {
3370     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3371     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3372     &level.df_laser_green,
3373     NULL, NULL,
3374     "green",                            "use green color components in laser"
3375   },
3376   {
3377     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3378     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3379     &level.df_laser_blue,
3380     NULL, NULL,
3381     "blue",                             "use blue color components in laser"
3382   },
3383   {
3384     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3385     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3386     &level.rotate_mm_ball_content,
3387     NULL, NULL,
3388     "randomly rotate created content",  "randomly rotate newly created content"
3389   },
3390
3391   // ---------- element settings: configure 1 (custom elements) ---------------
3392
3393   {
3394     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3395     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3396     &custom_element.use_gfx_element,
3397     NULL, NULL,
3398     "use graphic of element:",          "use existing element graphic"
3399   },
3400   {
3401     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3402     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3403     &level.use_custom_template,
3404     NULL, NULL,
3405     "use template",                     "use template for custom properties"
3406   },
3407   {
3408     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3409     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3410     &custom_element_properties[EP_ACCESSIBLE],
3411     NULL, NULL,
3412     NULL,                               "player can walk to or pass this field"
3413   },
3414   {
3415     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3416     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3417     &custom_element_properties[EP_GRAVITY_REACHABLE],
3418     NULL, NULL,
3419     "reachable despite gravity",        "player can walk/dig despite gravity"
3420   },
3421   {
3422     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3423     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3424     &custom_element.use_last_ce_value,
3425     NULL, NULL,
3426     "use last CE value after change",   "use last CE value after change"
3427   },
3428   {
3429     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3430     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3431     &custom_element_properties[EP_WALK_TO_OBJECT],
3432     NULL, NULL,
3433     NULL,                               "player can dig/collect/push element"
3434   },
3435   {
3436     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3437     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3438     &custom_element_properties[EP_INDESTRUCTIBLE],
3439     NULL, NULL,
3440     "indestructible",                   "element is indestructible"
3441   },
3442
3443   // ---------- element settings: configure 2 (custom elements) ---------------
3444
3445   {
3446     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3447     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3448     &custom_element_properties[EP_CAN_MOVE],
3449     NULL, NULL,
3450     NULL,                               "element can move with some pattern"
3451   },
3452   {
3453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3454     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3455     &custom_element_properties[EP_CAN_FALL],
3456     NULL, NULL,
3457     "can fall",                         "element can fall down"
3458   },
3459   {
3460     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3461     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3462     &custom_element_properties[EP_CAN_SMASH],
3463     NULL, " ",
3464     NULL,                               "element can smash other elements"
3465   },
3466   {
3467     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3468     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3469     &custom_element_properties[EP_SLIPPERY],
3470     NULL, NULL,
3471     NULL,                               "other elements can fall down from it"
3472   },
3473   {
3474     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3475     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3476     &custom_element_properties[EP_DEADLY],
3477     NULL, NULL,
3478     NULL,                               "element can kill the player"
3479   },
3480   {
3481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3482     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3483     &custom_element_properties[EP_CAN_EXPLODE],
3484     NULL, NULL,
3485     NULL,                               "element can explode"
3486   },
3487   {
3488     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3489     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3490     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3491     NULL, NULL,
3492     "by fire",                          "element can explode by fire/explosion"
3493   },
3494   {
3495     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3496     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3497     &custom_element_properties[EP_EXPLODES_SMASHED],
3498     NULL, " ",
3499     "smashed",                          "element can explode when smashed"
3500   },
3501   {
3502     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3503     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3504     &custom_element_properties[EP_EXPLODES_IMPACT],
3505     NULL, " ",
3506     "impact",                           "element can explode on impact"
3507   },
3508
3509   // ---------- element settings: advanced (custom elements) ------------------
3510
3511   {
3512     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3513     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3514     &custom_element_change.can_change,
3515     NULL, NULL,
3516     "element changes to:",              "change element on specified condition"
3517   },
3518   {
3519     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3520     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3521     &custom_element_change_events[CE_DELAY],
3522     NULL, NULL,
3523     NULL,                               "element changes after delay"
3524   },
3525   {
3526     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3527     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3528     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3529     NULL, NULL,
3530     NULL,                               "element changes by direct action"
3531   },
3532   {
3533     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3534     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3535     &custom_element_change_events[CE_BY_OTHER_ACTION],
3536     NULL, NULL,
3537     NULL,                               "element changes by other element"
3538   },
3539   {
3540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3541     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3542     &custom_element_change.explode,
3543     NULL, NULL,
3544     "explode instead of change",        "element explodes instead of change"
3545   },
3546   {
3547     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3548     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3549     &custom_element_change.use_target_content,
3550     NULL, NULL,
3551     "use extended change target:",      "element changes to more elements"
3552   },
3553   {
3554     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3555     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3556     &custom_element_change.only_if_complete,
3557     NULL, NULL,
3558     "replace all or nothing",           "only replace when all can be changed"
3559   },
3560   {
3561     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3562     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3563     &custom_element_change.use_random_replace,
3564     NULL, NULL,
3565     NULL,                               "use percentage for random replace"
3566   },
3567   {
3568     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3569     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3570     &custom_element_change.has_action,
3571     NULL, NULL,
3572     NULL,                               "execute action on specified condition"
3573   },
3574 };
3575
3576 static struct
3577 {
3578   int x, y;
3579   int xoffset, yoffset;
3580   int gadget_id;
3581   int gadget_id_align;
3582   int *value;
3583   int area_xsize, area_ysize;
3584   char *text_left, *text_right, *text_above, *text_below, *infotext;
3585 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3586 {
3587   // ---------- level playfield content ---------------------------------------
3588
3589   {
3590     0,                                  0,
3591     0,                                  0,
3592     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3593     NULL,
3594     -1, -1,     // these values are not constant, but can change at runtime
3595     NULL, NULL, NULL, NULL,             NULL
3596   },
3597
3598   // ---------- yam yam content -----------------------------------------------
3599
3600   {
3601     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3602     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3603     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3604     &level.yamyam_content[0].e[0][0],   3, 3,
3605     NULL, NULL, NULL, "1",              NULL
3606   },
3607   {
3608     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3609     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3610     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3611     &level.yamyam_content[1].e[0][0],   3, 3,
3612     NULL, NULL, NULL, "2",              NULL
3613   },
3614   {
3615     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3616     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3617     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3618     &level.yamyam_content[2].e[0][0],   3, 3,
3619     NULL, NULL, NULL, "3",              NULL
3620   },
3621   {
3622     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3623     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3624     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3625     &level.yamyam_content[3].e[0][0],   3, 3,
3626     NULL, NULL, NULL, "4",              NULL
3627   },
3628   {
3629     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3630     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3631     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3632     &level.yamyam_content[4].e[0][0],   3, 3,
3633     NULL, NULL, NULL, "5",              NULL
3634   },
3635   {
3636     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3637     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3638     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3639     &level.yamyam_content[5].e[0][0],   3, 3,
3640     NULL, NULL, NULL, "6",              NULL
3641   },
3642   {
3643     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3644     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3645     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3646     &level.yamyam_content[6].e[0][0],   3, 3,
3647     NULL, NULL, NULL, "7",              NULL
3648   },
3649   {
3650     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3651     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3652     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3653     &level.yamyam_content[7].e[0][0],   3, 3,
3654     NULL, NULL, NULL, "8",              NULL
3655   },
3656
3657   // ---------- magic ball content --------------------------------------------
3658
3659   {
3660     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3661     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3662     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3663     &level.ball_content[0].e[0][0],     3, 3,
3664     NULL, NULL, NULL, "1",              NULL
3665   },
3666   {
3667     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3668     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3669     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3670     &level.ball_content[1].e[0][0],     3, 3,
3671     NULL, NULL, NULL, "2",              NULL
3672   },
3673   {
3674     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3675     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3676     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3677     &level.ball_content[2].e[0][0],     3, 3,
3678     NULL, NULL, NULL, "3",              NULL
3679   },
3680   {
3681     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3682     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3683     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3684     &level.ball_content[3].e[0][0],     3, 3,
3685     NULL, NULL, NULL, "4",              NULL
3686   },
3687   {
3688     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3689     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3690     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3691     &level.ball_content[4].e[0][0],     3, 3,
3692     NULL, NULL, NULL, "5",              NULL
3693   },
3694   {
3695     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3696     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3697     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3698     &level.ball_content[5].e[0][0],     3, 3,
3699     NULL, NULL, NULL, "6",              NULL
3700   },
3701   {
3702     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3703     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3704     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3705     &level.ball_content[6].e[0][0],     3, 3,
3706     NULL, NULL, NULL, "7",              NULL
3707   },
3708   {
3709     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3710     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3711     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3712     &level.ball_content[7].e[0][0],     3, 3,
3713     NULL, NULL, NULL, "8",              NULL
3714   },
3715
3716   // ---------- android content -----------------------------------------------
3717
3718   {
3719     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3720     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3721     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3722     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3723     NULL, NULL, "elements:", NULL,      "elements android can clone"
3724   },
3725
3726   // ---------- amoeba content ------------------------------------------------
3727
3728   {
3729     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3730     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3731     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3732     &level.amoeba_content,              1, 1,
3733     "content:", NULL, NULL, NULL,       "amoeba content"
3734   },
3735
3736   // ---------- level start element -------------------------------------------
3737
3738   {
3739     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3740     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3741     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3742     &level.start_element[0],            1, 1,
3743     NULL, NULL, NULL, NULL,             "level start element"
3744   },
3745
3746   // ---------- player artwork element ----------------------------------------
3747
3748   {
3749     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3750     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3751     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3752     &level.artwork_element[0],          1, 1,
3753     NULL, NULL, NULL, NULL,             "element for player artwork"
3754   },
3755
3756   // ---------- player explosion element --------------------------------------
3757
3758   {
3759     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3760     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3761     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3762     &level.explosion_element[0],        1, 1,
3763     NULL, NULL, NULL, NULL,             "element for player explosion"
3764   },
3765
3766   // ---------- player initial inventory --------------------------------------
3767
3768   {
3769     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3770     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3771     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3772     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3773     NULL, NULL, NULL, NULL,             "content for initial inventory"
3774   },
3775
3776   // ---------- gray ball content -----------------------------------------
3777
3778   {
3779     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3780     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3781     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
3782     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
3783     "content:", NULL, NULL, NULL,       "content for gray ball"
3784   },
3785
3786   // ---------- element settings: configure 1 (custom elements) ---------------
3787
3788   // ---------- custom graphic ------------------------------------------------
3789
3790   {
3791     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3792     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3793     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3794     &custom_element.gfx_element_initial,1, 1,
3795     NULL, NULL, NULL, NULL,             "custom graphic element"
3796   },
3797
3798   // ---------- element settings: configure 2 (custom elements) ---------------
3799
3800   // ---------- custom content (when exploding) -------------------------------
3801
3802   {
3803     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3804     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3805     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3806     &custom_element.content.e[0][0],    3, 3,
3807     "content:", NULL, NULL, NULL,       NULL
3808   },
3809
3810   // ---------- custom enter and leave element (when moving) ------------------
3811
3812   {
3813     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3814     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3815     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3816     &custom_element.move_enter_element, 1, 1,
3817     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3818   },
3819   {
3820     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3821     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3822     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3823     &custom_element.move_leave_element, 1, 1,
3824     NULL, NULL, NULL, NULL,             "element that will be left behind"
3825   },
3826
3827   // ---------- element settings: advanced (custom elements) ------------------
3828
3829   // ---------- custom change target ------------------------------------------
3830
3831   {
3832     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3833     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3834     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3835     &custom_element_change.target_element, 1, 1,
3836     NULL, "after/when:", NULL, NULL,    "new target element after change"
3837   },
3838
3839   // ---------- custom change content (extended change target) ----------------
3840
3841   {
3842     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3843     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3844     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3845     &custom_element_change.target_content.e[0][0], 3, 3,
3846     NULL, NULL, NULL, NULL,             "new extended elements after change"
3847   },
3848
3849   // ---------- custom change trigger (element causing change) ----------------
3850
3851   {
3852     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3853     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3854     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3855     &custom_element_change.initial_trigger_element, 1, 1,
3856     NULL, NULL, NULL, NULL,             "other element triggering change"
3857   },
3858
3859   // ---------- custom change action (element used for action) ----------------
3860
3861   {
3862     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3863     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3864     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3865     &custom_element_change.action_element, 1, 1,
3866     NULL, NULL, NULL, NULL,             "element used as action parameter"
3867   },
3868
3869   // ---------- group element content -----------------------------------------
3870
3871   {
3872     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3873     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3874     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3875     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3876     "content:", NULL, NULL, NULL,       NULL
3877   },
3878
3879   // ---------- random background (for random painting) -----------------------
3880
3881   {
3882     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3883     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3884     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3885     &random_placement_background_element, 1, 1,
3886     NULL, NULL, NULL, NULL,             "random placement background"
3887   },
3888 };
3889
3890
3891 // ----------------------------------------------------------------------------
3892 // some internally used variables
3893 // ----------------------------------------------------------------------------
3894
3895 // maximal size of level editor drawing area
3896 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3897
3898 // actual size of level editor drawing area
3899 static int ed_fieldx, ed_fieldy;
3900
3901 // actual position of level editor drawing area in level playfield
3902 static int level_xpos = -1, level_ypos = -1;
3903
3904 // actual tile size used to display playfield drawing area
3905 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3906 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3907
3908 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3909
3910 // drawing elements on the three mouse buttons
3911 static int new_element1 = EL_WALL;
3912 static int new_element2 = EL_EMPTY;
3913 static int new_element3 = EL_SAND;
3914
3915 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3916 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3917                                 (button) == 2 ? new_element2 : \
3918                                 (button) == 3 ? new_element3 : EL_EMPTY)
3919
3920 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3921
3922 static int use_permanent_palette = TRUE;
3923
3924 #define PX              (use_permanent_palette ? DX : SX)
3925 #define PY              (use_permanent_palette ? DY : SY)
3926 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3927 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3928
3929 // forward declaration for internal use
3930 static void CopyBrushToCursor(int, int);
3931 static void DeleteBrushFromCursor(void);
3932 static void ModifyEditorCounterValue(int, int);
3933 static void ModifyEditorCounterLimits(int, int, int);
3934 static void ModifyEditorSelectboxValue(int, int);
3935 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3936 static void ModifyEditorDrawingArea(int, int, int);
3937 static void ModifyEditorElementList(void);
3938 static void AdjustElementListScrollbar(void);
3939 static void RedrawDrawingElements(void);
3940 static void DrawDrawingWindowExt(boolean);
3941 static void DrawDrawingWindow(void);
3942 static void DrawLevelInfoWindow(void);
3943 static void DrawPropertiesWindow(void);
3944 static void DrawPaletteWindow(void);
3945 static void UpdateCustomElementGraphicGadgets(void);
3946 static boolean checkPropertiesConfig(int);
3947 static void SetAutomaticNumberOfGemsNeeded(void);
3948 static void ClearEditorGadgetInfoText(void);
3949 static void CopyLevelToUndoBuffer(int);
3950 static void HandleDrawingAreas(struct GadgetInfo *);
3951 static void HandleCounterButtons(struct GadgetInfo *);
3952 static void HandleTextInputGadgets(struct GadgetInfo *);
3953 static void HandleTextAreaGadgets(struct GadgetInfo *);
3954 static void HandleSelectboxGadgets(struct GadgetInfo *);
3955 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3956 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3957 static void HandleRadiobuttons(struct GadgetInfo *);
3958 static void HandleCheckbuttons(struct GadgetInfo *);
3959 static void HandleControlButtons(struct GadgetInfo *);
3960 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3961 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3962 static boolean AskToCopyAndModifyLevelTemplate(void);
3963 static boolean getDrawModeHiRes(void);
3964 static int getTabulatorBarWidth(void);
3965 static int getTabulatorBarHeight(void);
3966 static Pixel getTabulatorBarColor(void);
3967
3968 static int num_editor_gadgets = 0;      // dynamically determined
3969
3970 static struct GadgetInfo **level_editor_gadget = NULL;
3971 static int *right_gadget_border = NULL;
3972
3973 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3974 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3975 static boolean draw_with_brush = FALSE;
3976 static int properties_element = 0;
3977
3978 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3979 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3980 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3981 static int undo_buffer_position = 0;
3982 static int undo_buffer_steps = 0;
3983 static int redo_buffer_steps = 0;
3984
3985 static int edit_mode;
3986 static int edit_mode_levelinfo;
3987 static int edit_mode_properties;
3988
3989 static int element_shift = 0;
3990
3991 static int editor_el_players[] =
3992 {
3993   EL_PLAYER_1,
3994   EL_PLAYER_2,
3995   EL_PLAYER_3,
3996   EL_PLAYER_4
3997 };
3998 static int *editor_el_players_ptr = editor_el_players;
3999 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4000
4001 static int editor_hl_boulderdash[] =
4002 {
4003   EL_INTERNAL_CASCADE_BD_ACTIVE,
4004   EL_CHAR('B'),
4005   EL_CHAR('D'),
4006   EL_EMPTY,
4007 };
4008
4009 static int editor_el_boulderdash[] =
4010 {
4011   EL_EMPTY,
4012   EL_SAND,
4013   EL_BD_ROCK,
4014   EL_BD_DIAMOND,
4015
4016   EL_STEELWALL,
4017   EL_BD_WALL,
4018   EL_BD_EXPANDABLE_WALL,
4019   EL_BD_MAGIC_WALL,
4020
4021   EL_BD_AMOEBA,
4022   EL_BD_BUTTERFLY_UP,
4023   EL_BD_FIREFLY_UP,
4024   EL_EXIT_CLOSED,
4025
4026   EL_BD_BUTTERFLY_LEFT,
4027   EL_BD_FIREFLY_LEFT,
4028   EL_BD_BUTTERFLY_RIGHT,
4029   EL_BD_FIREFLY_RIGHT,
4030
4031   EL_EMPTY,
4032   EL_BD_BUTTERFLY_DOWN,
4033   EL_BD_FIREFLY_DOWN,
4034   EL_EXIT_OPEN,
4035 };
4036 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4037 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4038 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4039 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4040
4041 static int editor_hl_emerald_mine[] =
4042 {
4043   EL_INTERNAL_CASCADE_EM_ACTIVE,
4044   EL_CHAR('E'),
4045   EL_CHAR('M'),
4046   EL_EMPTY,
4047 };
4048
4049 static int editor_el_emerald_mine[] =
4050 {
4051   EL_SAND,
4052   EL_ROCK,
4053   EL_QUICKSAND_EMPTY,
4054   EL_QUICKSAND_FULL,
4055
4056   EL_STEELWALL,
4057   EL_WALL,
4058   EL_WALL_SLIPPERY,
4059   EL_MAGIC_WALL,
4060
4061   EL_EMERALD,
4062   EL_DIAMOND,
4063   EL_NUT,
4064   EL_BOMB,
4065
4066   EL_EM_DYNAMITE,
4067   EL_EM_DYNAMITE_ACTIVE,
4068   EL_EM_EXIT_CLOSED,
4069   EL_EM_EXIT_OPEN,
4070
4071   EL_YAMYAM_UP,
4072   EL_BUG_UP,
4073   EL_SPACESHIP_UP,
4074   EL_ROBOT,
4075
4076   EL_BUG_LEFT,
4077   EL_SPACESHIP_LEFT,
4078   EL_BUG_RIGHT,
4079   EL_SPACESHIP_RIGHT,
4080
4081   EL_ROBOT_WHEEL,
4082   EL_BUG_DOWN,
4083   EL_SPACESHIP_DOWN,
4084   EL_INVISIBLE_WALL,
4085
4086   EL_ACID_POOL_TOPLEFT,
4087   EL_ACID,
4088   EL_ACID_POOL_TOPRIGHT,
4089   EL_AMOEBA_DROP,
4090
4091   EL_ACID_POOL_BOTTOMLEFT,
4092   EL_ACID_POOL_BOTTOM,
4093   EL_ACID_POOL_BOTTOMRIGHT,
4094   EL_AMOEBA_WET,
4095
4096   EL_EM_KEY_1,
4097   EL_EM_KEY_2,
4098   EL_EM_KEY_3,
4099   EL_EM_KEY_4,
4100
4101   EL_EM_GATE_1,
4102   EL_EM_GATE_2,
4103   EL_EM_GATE_3,
4104   EL_EM_GATE_4,
4105
4106   EL_EM_GATE_1_GRAY,
4107   EL_EM_GATE_2_GRAY,
4108   EL_EM_GATE_3_GRAY,
4109   EL_EM_GATE_4_GRAY,
4110 };
4111 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4112 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4113 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4114 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4115
4116 static int editor_hl_emerald_mine_club[] =
4117 {
4118   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4119   EL_CHAR('E'),
4120   EL_CHAR('M'),
4121   EL_CHAR('C'),
4122 };
4123
4124 static int editor_el_emerald_mine_club[] =
4125 {
4126   EL_EMC_KEY_5,
4127   EL_EMC_KEY_6,
4128   EL_EMC_KEY_7,
4129   EL_EMC_KEY_8,
4130
4131   EL_EMC_GATE_5,
4132   EL_EMC_GATE_6,
4133   EL_EMC_GATE_7,
4134   EL_EMC_GATE_8,
4135
4136   EL_EMC_GATE_5_GRAY,
4137   EL_EMC_GATE_6_GRAY,
4138   EL_EMC_GATE_7_GRAY,
4139   EL_EMC_GATE_8_GRAY,
4140
4141   EL_EMC_STEELWALL_1,
4142   EL_EMC_STEELWALL_2,
4143   EL_EMC_STEELWALL_3,
4144   EL_EMC_STEELWALL_4,
4145
4146   EL_EMC_WALL_13,
4147   EL_EMC_WALL_14,
4148   EL_EMC_WALL_15,
4149   EL_EMC_WALL_16,
4150
4151   EL_EMC_WALL_SLIPPERY_1,
4152   EL_EMC_WALL_SLIPPERY_2,
4153   EL_EMC_WALL_SLIPPERY_3,
4154   EL_EMC_WALL_SLIPPERY_4,
4155
4156   EL_EMC_WALL_1,
4157   EL_EMC_WALL_2,
4158   EL_EMC_WALL_3,
4159   EL_EMC_WALL_4,
4160
4161   EL_EMC_WALL_5,
4162   EL_EMC_WALL_6,
4163   EL_EMC_WALL_7,
4164   EL_EMC_WALL_8,
4165
4166   EL_EMC_WALL_9,
4167   EL_EMC_WALL_10,
4168   EL_EMC_WALL_11,
4169   EL_EMC_WALL_12,
4170
4171   EL_EMC_GRASS,
4172   EL_EMC_FAKE_GRASS,
4173   EL_EMC_PLANT,
4174   EL_EMC_DRIPPER,
4175
4176   EL_EMC_MAGIC_BALL,
4177   EL_EMC_MAGIC_BALL_SWITCH,
4178   EL_EMC_LENSES,
4179   EL_EMC_MAGNIFIER,
4180
4181   EL_SPRING_LEFT,
4182   EL_SPRING,
4183   EL_SPRING_RIGHT,
4184   EL_EMC_SPRING_BUMPER,
4185
4186   EL_BALLOON,
4187   EL_YAMYAM_UP,
4188   EL_BALLOON_SWITCH_UP,
4189   EL_BALLOON_SWITCH_ANY,
4190
4191   EL_YAMYAM_LEFT,
4192   EL_BALLOON_SWITCH_LEFT,
4193   EL_YAMYAM_RIGHT,
4194   EL_BALLOON_SWITCH_RIGHT,
4195
4196   EL_EMC_ANDROID,
4197   EL_YAMYAM_DOWN,
4198   EL_BALLOON_SWITCH_DOWN,
4199   EL_BALLOON_SWITCH_NONE,
4200 };
4201 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4202 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4203 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4204 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4205
4206 static int editor_hl_rnd[] =
4207 {
4208   EL_INTERNAL_CASCADE_RND_ACTIVE,
4209   EL_CHAR('R'),
4210   EL_CHAR('N'),
4211   EL_CHAR('D'),
4212 };
4213
4214 static int editor_el_rnd[] =
4215 {
4216   EL_DYNAMITE,                  // RND
4217   EL_DYNAMITE_ACTIVE,           // RND
4218   EL_EMPTY,
4219   EL_EMPTY,
4220
4221   EL_KEY_1,
4222   EL_KEY_2,
4223   EL_KEY_3,
4224   EL_KEY_4,
4225
4226   EL_GATE_1,
4227   EL_GATE_2,
4228   EL_GATE_3,
4229   EL_GATE_4,
4230
4231   EL_GATE_1_GRAY,
4232   EL_GATE_2_GRAY,
4233   EL_GATE_3_GRAY,
4234   EL_GATE_4_GRAY,
4235
4236   EL_ARROW_LEFT,
4237   EL_ARROW_RIGHT,
4238   EL_ARROW_UP,
4239   EL_ARROW_DOWN,
4240
4241   EL_AMOEBA_DEAD,
4242   EL_AMOEBA_DRY,
4243   EL_AMOEBA_FULL,
4244   EL_GAME_OF_LIFE,
4245
4246   EL_EMERALD_YELLOW,
4247   EL_EMERALD_RED,
4248   EL_EMERALD_PURPLE,
4249   EL_BIOMAZE,
4250
4251   EL_WALL_EMERALD_YELLOW,
4252   EL_WALL_EMERALD_RED,
4253   EL_WALL_EMERALD_PURPLE,
4254   EL_WALL_BD_DIAMOND,
4255
4256   EL_SPEED_PILL,
4257   EL_PACMAN_UP,
4258   EL_TIME_ORB_FULL,
4259   EL_TIME_ORB_EMPTY,
4260
4261   EL_PACMAN_LEFT,
4262   EL_DARK_YAMYAM,
4263   EL_PACMAN_RIGHT,
4264   EL_YAMYAM,                    // RND
4265
4266   EL_BLACK_ORB,
4267   EL_PACMAN_DOWN,
4268   EL_LAMP,
4269   EL_LAMP_ACTIVE,
4270
4271   EL_DYNABOMB_INCREASE_NUMBER,
4272   EL_DYNABOMB_INCREASE_SIZE,
4273   EL_DYNABOMB_INCREASE_POWER,
4274   EL_STONEBLOCK,
4275
4276   EL_MOLE,
4277   EL_PENGUIN,
4278   EL_PIG,
4279   EL_DRAGON,
4280
4281   EL_BUG,
4282   EL_MOLE_UP,
4283   EL_BD_BUTTERFLY,
4284   EL_BD_FIREFLY,
4285
4286   EL_MOLE_LEFT,
4287   EL_SATELLITE,
4288   EL_MOLE_RIGHT,
4289   EL_PACMAN,
4290
4291   EL_SPACESHIP,
4292   EL_MOLE_DOWN,
4293   EL_INVISIBLE_STEELWALL,
4294   EL_INVISIBLE_WALL,
4295
4296   EL_EXPANDABLE_WALL,
4297   EL_EXPANDABLE_WALL_HORIZONTAL,
4298   EL_EXPANDABLE_WALL_VERTICAL,
4299   EL_EXPANDABLE_WALL_ANY,
4300 };
4301 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4302 static int *editor_el_rnd_ptr = editor_el_rnd;
4303 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4304 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4305
4306 static int editor_hl_sokoban[] =
4307 {
4308   EL_INTERNAL_CASCADE_SB_ACTIVE,
4309   EL_CHAR('S'),
4310   EL_CHAR('B'),
4311   EL_EMPTY,
4312 };
4313
4314 static int editor_el_sokoban[] =
4315 {
4316   EL_SOKOBAN_OBJECT,
4317   EL_SOKOBAN_FIELD_EMPTY,
4318   EL_SOKOBAN_FIELD_FULL,
4319   EL_SOKOBAN_FIELD_PLAYER,
4320 };
4321 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4322 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4323 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4324 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4325
4326 static int editor_hl_supaplex[] =
4327 {
4328   EL_INTERNAL_CASCADE_SP_ACTIVE,
4329   EL_CHAR('S'),
4330   EL_CHAR('P'),
4331   EL_EMPTY,
4332 };
4333
4334 static int editor_el_supaplex[] =
4335 {
4336   EL_SP_MURPHY,
4337   EL_EMPTY,
4338   EL_SP_BASE,
4339   EL_SP_BUGGY_BASE,
4340
4341   EL_SP_INFOTRON,
4342   EL_SP_ZONK,
4343   EL_SP_SNIKSNAK,
4344   EL_SP_ELECTRON,
4345
4346   EL_SP_DISK_RED,
4347   EL_SP_DISK_ORANGE,
4348   EL_SP_DISK_YELLOW,
4349   EL_SP_TERMINAL,
4350
4351   EL_SP_EXIT_CLOSED,
4352   EL_SP_PORT_HORIZONTAL,
4353   EL_SP_PORT_VERTICAL,
4354   EL_SP_PORT_ANY,
4355
4356   EL_SP_PORT_LEFT,
4357   EL_SP_PORT_RIGHT,
4358   EL_SP_PORT_UP,
4359   EL_SP_PORT_DOWN,
4360
4361   EL_SP_GRAVITY_PORT_LEFT,
4362   EL_SP_GRAVITY_PORT_RIGHT,
4363   EL_SP_GRAVITY_PORT_UP,
4364   EL_SP_GRAVITY_PORT_DOWN,
4365
4366   EL_SP_GRAVITY_ON_PORT_LEFT,
4367   EL_SP_GRAVITY_ON_PORT_RIGHT,
4368   EL_SP_GRAVITY_ON_PORT_UP,
4369   EL_SP_GRAVITY_ON_PORT_DOWN,
4370
4371   EL_SP_GRAVITY_OFF_PORT_LEFT,
4372   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4373   EL_SP_GRAVITY_OFF_PORT_UP,
4374   EL_SP_GRAVITY_OFF_PORT_DOWN,
4375
4376   EL_SP_HARDWARE_GRAY,
4377   EL_SP_HARDWARE_GREEN,
4378   EL_SP_HARDWARE_BLUE,
4379   EL_SP_HARDWARE_RED,
4380
4381   EL_SP_HARDWARE_BASE_1,
4382   EL_SP_HARDWARE_BASE_2,
4383   EL_SP_HARDWARE_BASE_3,
4384   EL_SP_HARDWARE_BASE_4,
4385
4386   EL_SP_HARDWARE_BASE_5,
4387   EL_SP_HARDWARE_BASE_6,
4388   EL_SP_HARDWARE_YELLOW,
4389   EL_SP_CHIP_TOP,
4390
4391   EL_SP_CHIP_SINGLE,
4392   EL_SP_CHIP_LEFT,
4393   EL_SP_CHIP_RIGHT,
4394   EL_SP_CHIP_BOTTOM,
4395 };
4396 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4397 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4398 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4399 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4400
4401 static int editor_hl_diamond_caves[] =
4402 {
4403   EL_INTERNAL_CASCADE_DC_ACTIVE,
4404   EL_CHAR('D'),
4405   EL_CHAR('C'),
4406   EL_CHAR('2'),
4407 };
4408
4409 static int editor_el_diamond_caves[] =
4410 {
4411   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4412   EL_EM_STEEL_EXIT_OPEN,        // DC2
4413   EL_WALL_EMERALD,              // DC2
4414   EL_WALL_DIAMOND,              // DC2
4415
4416   EL_PEARL,
4417   EL_CRYSTAL,
4418   EL_WALL_PEARL,
4419   EL_WALL_CRYSTAL,
4420
4421   EL_CONVEYOR_BELT_1_LEFT,
4422   EL_CONVEYOR_BELT_1_MIDDLE,
4423   EL_CONVEYOR_BELT_1_RIGHT,
4424   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4425
4426   EL_CONVEYOR_BELT_2_LEFT,
4427   EL_CONVEYOR_BELT_2_MIDDLE,
4428   EL_CONVEYOR_BELT_2_RIGHT,
4429   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4430
4431   EL_CONVEYOR_BELT_3_LEFT,
4432   EL_CONVEYOR_BELT_3_MIDDLE,
4433   EL_CONVEYOR_BELT_3_RIGHT,
4434   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4435
4436   EL_CONVEYOR_BELT_4_LEFT,
4437   EL_CONVEYOR_BELT_4_MIDDLE,
4438   EL_CONVEYOR_BELT_4_RIGHT,
4439   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4440
4441   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4442   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4443   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4444   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4445
4446   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4447   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4448   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4449   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4450
4451   EL_TIMEGATE_CLOSED,
4452   EL_TIMEGATE_OPEN,
4453   EL_TIMEGATE_SWITCH,
4454   EL_DC_TIMEGATE_SWITCH,
4455
4456   EL_SWITCHGATE_CLOSED,
4457   EL_SWITCHGATE_OPEN,
4458   EL_SWITCHGATE_SWITCH_UP,
4459   EL_SWITCHGATE_SWITCH_DOWN,
4460
4461   EL_LIGHT_SWITCH,
4462   EL_LIGHT_SWITCH_ACTIVE,
4463   EL_DC_SWITCHGATE_SWITCH_UP,
4464   EL_DC_SWITCHGATE_SWITCH_DOWN,
4465
4466   EL_STEEL_EXIT_CLOSED,
4467   EL_STEEL_EXIT_OPEN,
4468   EL_STEELWALL_SLIPPERY,
4469   EL_INVISIBLE_SAND,
4470
4471   EL_QUICKSAND_FAST_EMPTY,
4472   EL_QUICKSAND_FAST_FULL,
4473   EL_LANDMINE,
4474   EL_DC_LANDMINE,
4475
4476   EL_SHIELD_NORMAL,
4477   EL_SHIELD_DEADLY,
4478   EL_EXTRA_TIME,
4479   EL_DC_MAGIC_WALL,
4480
4481   EL_ENVELOPE_1,
4482   EL_ENVELOPE_2,
4483   EL_ENVELOPE_3,
4484   EL_ENVELOPE_4,
4485
4486   EL_SIGN_RADIOACTIVITY,
4487   EL_SIGN_WHEELCHAIR,
4488   EL_SIGN_PARKING,
4489   EL_SIGN_NO_ENTRY,
4490
4491   EL_SIGN_GIVE_WAY,
4492   EL_SIGN_ENTRY_FORBIDDEN,
4493   EL_SIGN_EMERGENCY_EXIT,
4494   EL_SIGN_YIN_YANG,
4495
4496 #if 0
4497   EL_SIGN_SPERMS,
4498   EL_SIGN_BULLET,
4499   EL_SIGN_HEART,
4500   EL_SIGN_CROSS,
4501
4502   EL_SIGN_FRANKIE,
4503   EL_EMPTY,
4504   EL_EMPTY,
4505   EL_EMPTY,
4506
4507   EL_SPERMS,
4508   EL_BULLET,
4509   EL_HEART,
4510   EL_CROSS,
4511
4512   EL_FRANKIE,
4513   EL_EMPTY,
4514   EL_EMPTY,
4515   EL_EMPTY,
4516 #endif
4517
4518   EL_DC_STEELWALL_2_SINGLE,
4519   EL_DC_STEELWALL_2_TOP,
4520   EL_SIGN_EXCLAMATION,
4521   EL_SIGN_STOP,
4522
4523   EL_DC_STEELWALL_2_LEFT,
4524   EL_DC_STEELWALL_2_MIDDLE,
4525   EL_DC_STEELWALL_2_HORIZONTAL,
4526   EL_DC_STEELWALL_2_RIGHT,
4527
4528   EL_DC_STEELWALL_1_TOPLEFT,
4529   EL_DC_STEELWALL_2_VERTICAL,
4530   EL_DC_STEELWALL_1_TOPRIGHT,
4531   EL_DC_GATE_WHITE,
4532
4533   EL_DC_STEELWALL_1_VERTICAL,
4534   EL_DC_STEELWALL_2_BOTTOM,
4535   EL_DC_KEY_WHITE,
4536   EL_DC_GATE_WHITE_GRAY,
4537
4538   EL_DC_STEELWALL_1_BOTTOMLEFT,
4539   EL_DC_STEELWALL_1_HORIZONTAL,
4540   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4541   EL_DC_GATE_FAKE_GRAY,
4542
4543   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4544   EL_DC_STEELWALL_1_BOTTOM,
4545   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4546   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4547
4548   EL_DC_STEELWALL_1_RIGHT,
4549   EL_EMPTY,
4550   EL_DC_STEELWALL_1_LEFT,
4551   EL_EXPANDABLE_STEELWALL_VERTICAL,
4552
4553   EL_DC_STEELWALL_1_TOPRIGHT_2,
4554   EL_DC_STEELWALL_1_TOP,
4555   EL_DC_STEELWALL_1_TOPLEFT_2,
4556   EL_EXPANDABLE_STEELWALL_ANY,
4557 };
4558 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4559 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4560 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4561 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4562
4563 static int editor_hl_dx_boulderdash[] =
4564 {
4565   EL_INTERNAL_CASCADE_DX_ACTIVE,
4566   EL_CHAR('D'),
4567   EL_CHAR('X'),
4568   EL_EMPTY,
4569 };
4570
4571 static int editor_el_dx_boulderdash[] =
4572 {
4573   EL_EMPTY,
4574   EL_TUBE_RIGHT_DOWN,
4575   EL_TUBE_HORIZONTAL_DOWN,
4576   EL_TUBE_LEFT_DOWN,
4577
4578   EL_TUBE_HORIZONTAL,
4579   EL_TUBE_VERTICAL_RIGHT,
4580   EL_TUBE_ANY,
4581   EL_TUBE_VERTICAL_LEFT,
4582
4583   EL_TUBE_VERTICAL,
4584   EL_TUBE_RIGHT_UP,
4585   EL_TUBE_HORIZONTAL_UP,
4586   EL_TUBE_LEFT_UP,
4587
4588   EL_TRAP,
4589   EL_DX_SUPABOMB,
4590   EL_EMPTY,
4591   EL_EMPTY
4592 };
4593 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4594 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4595 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4596 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4597
4598 static int editor_hl_mirror_magic[] =
4599 {
4600   EL_INTERNAL_CASCADE_MM_ACTIVE,
4601   EL_CHAR('M'),
4602   EL_CHAR('M'),
4603   EL_EMPTY,
4604 };
4605
4606 static int editor_el_mirror_magic[] =
4607 {
4608   EL_MM_MCDUFFIN_RIGHT,
4609   EL_MM_MCDUFFIN_UP,
4610   EL_MM_MCDUFFIN_LEFT,
4611   EL_MM_MCDUFFIN_DOWN,
4612
4613   EL_MM_MIRROR_START,
4614   EL_MM_MIRROR_FIXED_START,
4615   EL_MM_POLARIZER_START,
4616   EL_MM_POLARIZER_CROSS_START,
4617
4618   EL_MM_TELEPORTER_RED_START,
4619   EL_MM_TELEPORTER_YELLOW_START,
4620   EL_MM_TELEPORTER_GREEN_START,
4621   EL_MM_TELEPORTER_BLUE_START,
4622
4623   EL_MM_PRISM,
4624   EL_MM_FUSE_ACTIVE,
4625   EL_MM_PACMAN_RIGHT,
4626   EL_MM_EXIT_CLOSED,
4627
4628   EL_MM_KETTLE,
4629   EL_MM_BOMB,
4630   EL_MM_KEY,
4631   EL_MM_FUEL_FULL,
4632
4633   EL_MM_LIGHTBULB,
4634   EL_MM_LIGHTBULB_ACTIVE,
4635   EL_MM_GRAY_BALL,
4636   EL_MM_LIGHTBALL,
4637
4638   EL_MM_STEEL_WALL,
4639   EL_MM_WOODEN_WALL,
4640   EL_MM_ICE_WALL,
4641   EL_MM_AMOEBA_WALL,
4642
4643   EL_MM_STEEL_LOCK,
4644   EL_MM_WOODEN_LOCK,
4645   EL_MM_STEEL_BLOCK,
4646   EL_MM_WOODEN_BLOCK,
4647
4648   EL_MM_STEEL_GRID_FIXED_1,
4649   EL_MM_STEEL_GRID_FIXED_2,
4650   EL_MM_STEEL_GRID_FIXED_3,
4651   EL_MM_STEEL_GRID_FIXED_4,
4652
4653   EL_MM_WOODEN_GRID_FIXED_1,
4654   EL_MM_WOODEN_GRID_FIXED_2,
4655   EL_MM_WOODEN_GRID_FIXED_3,
4656   EL_MM_WOODEN_GRID_FIXED_4,
4657
4658   EL_MM_ENVELOPE_1,
4659   EL_MM_ENVELOPE_2,
4660   EL_MM_ENVELOPE_3,
4661   EL_MM_ENVELOPE_4
4662 };
4663 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4664 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4665 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4666 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4667
4668 static int editor_hl_deflektor[] =
4669 {
4670   EL_INTERNAL_CASCADE_DF_ACTIVE,
4671   EL_CHAR('D'),
4672   EL_CHAR('F'),
4673   EL_EMPTY,
4674 };
4675
4676 static int editor_el_deflektor[] =
4677 {
4678   EL_DF_LASER_RIGHT,
4679   EL_DF_LASER_UP,
4680   EL_DF_LASER_LEFT,
4681   EL_DF_LASER_DOWN,
4682
4683   EL_DF_RECEIVER_RIGHT,
4684   EL_DF_RECEIVER_UP,
4685   EL_DF_RECEIVER_LEFT,
4686   EL_DF_RECEIVER_DOWN,
4687
4688   EL_DF_MIRROR_START,
4689   EL_DF_MIRROR_ROTATING_START,
4690   EL_DF_CELL,
4691   EL_DF_MINE,
4692
4693   EL_DF_FIBRE_OPTIC_RED_1,
4694   EL_DF_FIBRE_OPTIC_YELLOW_1,
4695   EL_DF_FIBRE_OPTIC_GREEN_1,
4696   EL_DF_FIBRE_OPTIC_BLUE_1,
4697
4698   EL_DF_STEEL_GRID_FIXED_START,
4699   EL_DF_STEEL_GRID_ROTATING_START,
4700   EL_DF_WOODEN_GRID_FIXED_START,
4701   EL_DF_WOODEN_GRID_ROTATING_START,
4702
4703   EL_DF_STEEL_WALL,
4704   EL_DF_WOODEN_WALL,
4705   EL_DF_REFRACTOR,
4706   EL_EMPTY
4707 };
4708 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4709 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4710 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4711 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4712
4713 static int editor_hl_chars[] =
4714 {
4715   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4716   EL_CHAR('T'),
4717   EL_CHAR('X'),
4718   EL_CHAR('T'),
4719 };
4720
4721 static int editor_el_chars[] =
4722 {
4723   EL_CHAR(' '),
4724   EL_CHAR('!'),
4725   EL_CHAR('"'),
4726   EL_CHAR('#'),
4727
4728   EL_CHAR('$'),
4729   EL_CHAR('%'),
4730   EL_CHAR('&'),
4731   EL_CHAR('\''),
4732
4733   EL_CHAR('('),
4734   EL_CHAR(')'),
4735   EL_CHAR('*'),
4736   EL_CHAR('+'),
4737
4738   EL_CHAR(','),
4739   EL_CHAR('-'),
4740   EL_CHAR('.'),
4741   EL_CHAR('/'),
4742
4743   EL_CHAR('0'),
4744   EL_CHAR('1'),
4745   EL_CHAR('2'),
4746   EL_CHAR('3'),
4747
4748   EL_CHAR('4'),
4749   EL_CHAR('5'),
4750   EL_CHAR('6'),
4751   EL_CHAR('7'),
4752
4753   EL_CHAR('8'),
4754   EL_CHAR('9'),
4755   EL_CHAR(':'),
4756   EL_CHAR(';'),
4757
4758   EL_CHAR('<'),
4759   EL_CHAR('='),
4760   EL_CHAR('>'),
4761   EL_CHAR('?'),
4762
4763   EL_CHAR('@'),
4764   EL_CHAR('A'),
4765   EL_CHAR('B'),
4766   EL_CHAR('C'),
4767
4768   EL_CHAR('D'),
4769   EL_CHAR('E'),
4770   EL_CHAR('F'),
4771   EL_CHAR('G'),
4772
4773   EL_CHAR('H'),
4774   EL_CHAR('I'),
4775   EL_CHAR('J'),
4776   EL_CHAR('K'),
4777
4778   EL_CHAR('L'),
4779   EL_CHAR('M'),
4780   EL_CHAR('N'),
4781   EL_CHAR('O'),
4782
4783   EL_CHAR('P'),
4784   EL_CHAR('Q'),
4785   EL_CHAR('R'),
4786   EL_CHAR('S'),
4787
4788   EL_CHAR('T'),
4789   EL_CHAR('U'),
4790   EL_CHAR('V'),
4791   EL_CHAR('W'),
4792
4793   EL_CHAR('X'),
4794   EL_CHAR('Y'),
4795   EL_CHAR('Z'),
4796   EL_CHAR('['),
4797
4798   EL_CHAR('\\'),
4799   EL_CHAR(']'),
4800   EL_CHAR('^'),
4801   EL_CHAR('_'),
4802
4803   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4804   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4805   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4806   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4807
4808   EL_CHAR(CHAR_BYTE_DEGREE),
4809   EL_CHAR(CHAR_BYTE_REGISTERED),
4810   EL_CHAR(FONT_ASCII_CURSOR),
4811   EL_CHAR(FONT_ASCII_BUTTON),
4812
4813   EL_CHAR(FONT_ASCII_UP),
4814   EL_CHAR(FONT_ASCII_DOWN),
4815   EL_CHAR(' '),
4816   EL_CHAR(' ')
4817 };
4818 static int *editor_hl_chars_ptr = editor_hl_chars;
4819 static int *editor_el_chars_ptr = editor_el_chars;
4820 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4821 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4822
4823 static int editor_hl_steel_chars[] =
4824 {
4825   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4826   EL_STEEL_CHAR('T'),
4827   EL_STEEL_CHAR('X'),
4828   EL_STEEL_CHAR('T'),
4829 };
4830
4831 static int editor_el_steel_chars[] =
4832 {
4833   EL_STEEL_CHAR(' '),
4834   EL_STEEL_CHAR('!'),
4835   EL_STEEL_CHAR('"'),
4836   EL_STEEL_CHAR('#'),
4837
4838   EL_STEEL_CHAR('$'),
4839   EL_STEEL_CHAR('%'),
4840   EL_STEEL_CHAR('&'),
4841   EL_STEEL_CHAR('\''),
4842
4843   EL_STEEL_CHAR('('),
4844   EL_STEEL_CHAR(')'),
4845   EL_STEEL_CHAR('*'),
4846   EL_STEEL_CHAR('+'),
4847
4848   EL_STEEL_CHAR(','),
4849   EL_STEEL_CHAR('-'),
4850   EL_STEEL_CHAR('.'),
4851   EL_STEEL_CHAR('/'),
4852
4853   EL_STEEL_CHAR('0'),
4854   EL_STEEL_CHAR('1'),
4855   EL_STEEL_CHAR('2'),
4856   EL_STEEL_CHAR('3'),
4857
4858   EL_STEEL_CHAR('4'),
4859   EL_STEEL_CHAR('5'),
4860   EL_STEEL_CHAR('6'),
4861   EL_STEEL_CHAR('7'),
4862
4863   EL_STEEL_CHAR('8'),
4864   EL_STEEL_CHAR('9'),
4865   EL_STEEL_CHAR(':'),
4866   EL_STEEL_CHAR(';'),
4867
4868   EL_STEEL_CHAR('<'),
4869   EL_STEEL_CHAR('='),
4870   EL_STEEL_CHAR('>'),
4871   EL_STEEL_CHAR('?'),
4872
4873   EL_STEEL_CHAR('@'),
4874   EL_STEEL_CHAR('A'),
4875   EL_STEEL_CHAR('B'),
4876   EL_STEEL_CHAR('C'),
4877
4878   EL_STEEL_CHAR('D'),
4879   EL_STEEL_CHAR('E'),
4880   EL_STEEL_CHAR('F'),
4881   EL_STEEL_CHAR('G'),
4882
4883   EL_STEEL_CHAR('H'),
4884   EL_STEEL_CHAR('I'),
4885   EL_STEEL_CHAR('J'),
4886   EL_STEEL_CHAR('K'),
4887
4888   EL_STEEL_CHAR('L'),
4889   EL_STEEL_CHAR('M'),
4890   EL_STEEL_CHAR('N'),
4891   EL_STEEL_CHAR('O'),
4892
4893   EL_STEEL_CHAR('P'),
4894   EL_STEEL_CHAR('Q'),
4895   EL_STEEL_CHAR('R'),
4896   EL_STEEL_CHAR('S'),
4897
4898   EL_STEEL_CHAR('T'),
4899   EL_STEEL_CHAR('U'),
4900   EL_STEEL_CHAR('V'),
4901   EL_STEEL_CHAR('W'),
4902
4903   EL_STEEL_CHAR('X'),
4904   EL_STEEL_CHAR('Y'),
4905   EL_STEEL_CHAR('Z'),
4906   EL_STEEL_CHAR('['),
4907
4908   EL_STEEL_CHAR('\\'),
4909   EL_STEEL_CHAR(']'),
4910   EL_STEEL_CHAR('^'),
4911   EL_STEEL_CHAR('_'),
4912
4913   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4914   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4915   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4916   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4917
4918   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4919   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4920   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4921   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4922
4923   EL_STEEL_CHAR(FONT_ASCII_UP),
4924   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4925   EL_STEEL_CHAR(' '),
4926   EL_STEEL_CHAR(' ')
4927 };
4928 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4929 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4930 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4931 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4932
4933 static int editor_hl_custom[] =
4934 {
4935   EL_INTERNAL_CASCADE_CE_ACTIVE,
4936   EL_CHAR('C'),
4937   EL_CHAR('E'),
4938   EL_EMPTY,
4939 };
4940
4941 static int editor_el_custom[] =
4942 {
4943   EL_CUSTOM_START + 0,
4944   EL_CUSTOM_START + 1,
4945   EL_CUSTOM_START + 2,
4946   EL_CUSTOM_START + 3,
4947
4948   EL_CUSTOM_START + 4,
4949   EL_CUSTOM_START + 5,
4950   EL_CUSTOM_START + 6,
4951   EL_CUSTOM_START + 7,
4952
4953   EL_CUSTOM_START + 8,
4954   EL_CUSTOM_START + 9,
4955   EL_CUSTOM_START + 10,
4956   EL_CUSTOM_START + 11,
4957
4958   EL_CUSTOM_START + 12,
4959   EL_CUSTOM_START + 13,
4960   EL_CUSTOM_START + 14,
4961   EL_CUSTOM_START + 15,
4962
4963   EL_CUSTOM_START + 16,
4964   EL_CUSTOM_START + 17,
4965   EL_CUSTOM_START + 18,
4966   EL_CUSTOM_START + 19,
4967
4968   EL_CUSTOM_START + 20,
4969   EL_CUSTOM_START + 21,
4970   EL_CUSTOM_START + 22,
4971   EL_CUSTOM_START + 23,
4972
4973   EL_CUSTOM_START + 24,
4974   EL_CUSTOM_START + 25,
4975   EL_CUSTOM_START + 26,
4976   EL_CUSTOM_START + 27,
4977
4978   EL_CUSTOM_START + 28,
4979   EL_CUSTOM_START + 29,
4980   EL_CUSTOM_START + 30,
4981   EL_CUSTOM_START + 31,
4982
4983   EL_CUSTOM_START + 32,
4984   EL_CUSTOM_START + 33,
4985   EL_CUSTOM_START + 34,
4986   EL_CUSTOM_START + 35,
4987
4988   EL_CUSTOM_START + 36,
4989   EL_CUSTOM_START + 37,
4990   EL_CUSTOM_START + 38,
4991   EL_CUSTOM_START + 39,
4992
4993   EL_CUSTOM_START + 40,
4994   EL_CUSTOM_START + 41,
4995   EL_CUSTOM_START + 42,
4996   EL_CUSTOM_START + 43,
4997
4998   EL_CUSTOM_START + 44,
4999   EL_CUSTOM_START + 45,
5000   EL_CUSTOM_START + 46,
5001   EL_CUSTOM_START + 47,
5002
5003   EL_CUSTOM_START + 48,
5004   EL_CUSTOM_START + 49,
5005   EL_CUSTOM_START + 50,
5006   EL_CUSTOM_START + 51,
5007
5008   EL_CUSTOM_START + 52,
5009   EL_CUSTOM_START + 53,
5010   EL_CUSTOM_START + 54,
5011   EL_CUSTOM_START + 55,
5012
5013   EL_CUSTOM_START + 56,
5014   EL_CUSTOM_START + 57,
5015   EL_CUSTOM_START + 58,
5016   EL_CUSTOM_START + 59,
5017
5018   EL_CUSTOM_START + 60,
5019   EL_CUSTOM_START + 61,
5020   EL_CUSTOM_START + 62,
5021   EL_CUSTOM_START + 63,
5022
5023   EL_CUSTOM_START + 64,
5024   EL_CUSTOM_START + 65,
5025   EL_CUSTOM_START + 66,
5026   EL_CUSTOM_START + 67,
5027
5028   EL_CUSTOM_START + 68,
5029   EL_CUSTOM_START + 69,
5030   EL_CUSTOM_START + 70,
5031   EL_CUSTOM_START + 71,
5032
5033   EL_CUSTOM_START + 72,
5034   EL_CUSTOM_START + 73,
5035   EL_CUSTOM_START + 74,
5036   EL_CUSTOM_START + 75,
5037
5038   EL_CUSTOM_START + 76,
5039   EL_CUSTOM_START + 77,
5040   EL_CUSTOM_START + 78,
5041   EL_CUSTOM_START + 79,
5042
5043   EL_CUSTOM_START + 80,
5044   EL_CUSTOM_START + 81,
5045   EL_CUSTOM_START + 82,
5046   EL_CUSTOM_START + 83,
5047
5048   EL_CUSTOM_START + 84,
5049   EL_CUSTOM_START + 85,
5050   EL_CUSTOM_START + 86,
5051   EL_CUSTOM_START + 87,
5052
5053   EL_CUSTOM_START + 88,
5054   EL_CUSTOM_START + 89,
5055   EL_CUSTOM_START + 90,
5056   EL_CUSTOM_START + 91,
5057
5058   EL_CUSTOM_START + 92,
5059   EL_CUSTOM_START + 93,
5060   EL_CUSTOM_START + 94,
5061   EL_CUSTOM_START + 95,
5062
5063   EL_CUSTOM_START + 96,
5064   EL_CUSTOM_START + 97,
5065   EL_CUSTOM_START + 98,
5066   EL_CUSTOM_START + 99,
5067
5068   EL_CUSTOM_START + 100,
5069   EL_CUSTOM_START + 101,
5070   EL_CUSTOM_START + 102,
5071   EL_CUSTOM_START + 103,
5072
5073   EL_CUSTOM_START + 104,
5074   EL_CUSTOM_START + 105,
5075   EL_CUSTOM_START + 106,
5076   EL_CUSTOM_START + 107,
5077
5078   EL_CUSTOM_START + 108,
5079   EL_CUSTOM_START + 109,
5080   EL_CUSTOM_START + 110,
5081   EL_CUSTOM_START + 111,
5082
5083   EL_CUSTOM_START + 112,
5084   EL_CUSTOM_START + 113,
5085   EL_CUSTOM_START + 114,
5086   EL_CUSTOM_START + 115,
5087
5088   EL_CUSTOM_START + 116,
5089   EL_CUSTOM_START + 117,
5090   EL_CUSTOM_START + 118,
5091   EL_CUSTOM_START + 119,
5092
5093   EL_CUSTOM_START + 120,
5094   EL_CUSTOM_START + 121,
5095   EL_CUSTOM_START + 122,
5096   EL_CUSTOM_START + 123,
5097
5098   EL_CUSTOM_START + 124,
5099   EL_CUSTOM_START + 125,
5100   EL_CUSTOM_START + 126,
5101   EL_CUSTOM_START + 127,
5102
5103   EL_CUSTOM_START + 128,
5104   EL_CUSTOM_START + 129,
5105   EL_CUSTOM_START + 130,
5106   EL_CUSTOM_START + 131,
5107
5108   EL_CUSTOM_START + 132,
5109   EL_CUSTOM_START + 133,
5110   EL_CUSTOM_START + 134,
5111   EL_CUSTOM_START + 135,
5112
5113   EL_CUSTOM_START + 136,
5114   EL_CUSTOM_START + 137,
5115   EL_CUSTOM_START + 138,
5116   EL_CUSTOM_START + 139,
5117
5118   EL_CUSTOM_START + 140,
5119   EL_CUSTOM_START + 141,
5120   EL_CUSTOM_START + 142,
5121   EL_CUSTOM_START + 143,
5122
5123   EL_CUSTOM_START + 144,
5124   EL_CUSTOM_START + 145,
5125   EL_CUSTOM_START + 146,
5126   EL_CUSTOM_START + 147,
5127
5128   EL_CUSTOM_START + 148,
5129   EL_CUSTOM_START + 149,
5130   EL_CUSTOM_START + 150,
5131   EL_CUSTOM_START + 151,
5132
5133   EL_CUSTOM_START + 152,
5134   EL_CUSTOM_START + 153,
5135   EL_CUSTOM_START + 154,
5136   EL_CUSTOM_START + 155,
5137
5138   EL_CUSTOM_START + 156,
5139   EL_CUSTOM_START + 157,
5140   EL_CUSTOM_START + 158,
5141   EL_CUSTOM_START + 159,
5142
5143   EL_CUSTOM_START + 160,
5144   EL_CUSTOM_START + 161,
5145   EL_CUSTOM_START + 162,
5146   EL_CUSTOM_START + 163,
5147
5148   EL_CUSTOM_START + 164,
5149   EL_CUSTOM_START + 165,
5150   EL_CUSTOM_START + 166,
5151   EL_CUSTOM_START + 167,
5152
5153   EL_CUSTOM_START + 168,
5154   EL_CUSTOM_START + 169,
5155   EL_CUSTOM_START + 170,
5156   EL_CUSTOM_START + 171,
5157
5158   EL_CUSTOM_START + 172,
5159   EL_CUSTOM_START + 173,
5160   EL_CUSTOM_START + 174,
5161   EL_CUSTOM_START + 175,
5162
5163   EL_CUSTOM_START + 176,
5164   EL_CUSTOM_START + 177,
5165   EL_CUSTOM_START + 178,
5166   EL_CUSTOM_START + 179,
5167
5168   EL_CUSTOM_START + 180,
5169   EL_CUSTOM_START + 181,
5170   EL_CUSTOM_START + 182,
5171   EL_CUSTOM_START + 183,
5172
5173   EL_CUSTOM_START + 184,
5174   EL_CUSTOM_START + 185,
5175   EL_CUSTOM_START + 186,
5176   EL_CUSTOM_START + 187,
5177
5178   EL_CUSTOM_START + 188,
5179   EL_CUSTOM_START + 189,
5180   EL_CUSTOM_START + 190,
5181   EL_CUSTOM_START + 191,
5182
5183   EL_CUSTOM_START + 192,
5184   EL_CUSTOM_START + 193,
5185   EL_CUSTOM_START + 194,
5186   EL_CUSTOM_START + 195,
5187
5188   EL_CUSTOM_START + 196,
5189   EL_CUSTOM_START + 197,
5190   EL_CUSTOM_START + 198,
5191   EL_CUSTOM_START + 199,
5192
5193   EL_CUSTOM_START + 200,
5194   EL_CUSTOM_START + 201,
5195   EL_CUSTOM_START + 202,
5196   EL_CUSTOM_START + 203,
5197
5198   EL_CUSTOM_START + 204,
5199   EL_CUSTOM_START + 205,
5200   EL_CUSTOM_START + 206,
5201   EL_CUSTOM_START + 207,
5202
5203   EL_CUSTOM_START + 208,
5204   EL_CUSTOM_START + 209,
5205   EL_CUSTOM_START + 210,
5206   EL_CUSTOM_START + 211,
5207
5208   EL_CUSTOM_START + 212,
5209   EL_CUSTOM_START + 213,
5210   EL_CUSTOM_START + 214,
5211   EL_CUSTOM_START + 215,
5212
5213   EL_CUSTOM_START + 216,
5214   EL_CUSTOM_START + 217,
5215   EL_CUSTOM_START + 218,
5216   EL_CUSTOM_START + 219,
5217
5218   EL_CUSTOM_START + 220,
5219   EL_CUSTOM_START + 221,
5220   EL_CUSTOM_START + 222,
5221   EL_CUSTOM_START + 223,
5222
5223   EL_CUSTOM_START + 224,
5224   EL_CUSTOM_START + 225,
5225   EL_CUSTOM_START + 226,
5226   EL_CUSTOM_START + 227,
5227
5228   EL_CUSTOM_START + 228,
5229   EL_CUSTOM_START + 229,
5230   EL_CUSTOM_START + 230,
5231   EL_CUSTOM_START + 231,
5232
5233   EL_CUSTOM_START + 232,
5234   EL_CUSTOM_START + 233,
5235   EL_CUSTOM_START + 234,
5236   EL_CUSTOM_START + 235,
5237
5238   EL_CUSTOM_START + 236,
5239   EL_CUSTOM_START + 237,
5240   EL_CUSTOM_START + 238,
5241   EL_CUSTOM_START + 239,
5242
5243   EL_CUSTOM_START + 240,
5244   EL_CUSTOM_START + 241,
5245   EL_CUSTOM_START + 242,
5246   EL_CUSTOM_START + 243,
5247
5248   EL_CUSTOM_START + 244,
5249   EL_CUSTOM_START + 245,
5250   EL_CUSTOM_START + 246,
5251   EL_CUSTOM_START + 247,
5252
5253   EL_CUSTOM_START + 248,
5254   EL_CUSTOM_START + 249,
5255   EL_CUSTOM_START + 250,
5256   EL_CUSTOM_START + 251,
5257
5258   EL_CUSTOM_START + 252,
5259   EL_CUSTOM_START + 253,
5260   EL_CUSTOM_START + 254,
5261   EL_CUSTOM_START + 255
5262 };
5263 static int *editor_hl_custom_ptr = editor_hl_custom;
5264 static int *editor_el_custom_ptr = editor_el_custom;
5265 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5266 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5267
5268 static int editor_hl_group[] =
5269 {
5270   EL_INTERNAL_CASCADE_GE_ACTIVE,
5271   EL_CHAR('G'),
5272   EL_CHAR('E'),
5273   EL_EMPTY,
5274 };
5275
5276 static int editor_el_group[] =
5277 {
5278   EL_GROUP_START + 0,
5279   EL_GROUP_START + 1,
5280   EL_GROUP_START + 2,
5281   EL_GROUP_START + 3,
5282
5283   EL_GROUP_START + 4,
5284   EL_GROUP_START + 5,
5285   EL_GROUP_START + 6,
5286   EL_GROUP_START + 7,
5287
5288   EL_GROUP_START + 8,
5289   EL_GROUP_START + 9,
5290   EL_GROUP_START + 10,
5291   EL_GROUP_START + 11,
5292
5293   EL_GROUP_START + 12,
5294   EL_GROUP_START + 13,
5295   EL_GROUP_START + 14,
5296   EL_GROUP_START + 15,
5297
5298   EL_GROUP_START + 16,
5299   EL_GROUP_START + 17,
5300   EL_GROUP_START + 18,
5301   EL_GROUP_START + 19,
5302
5303   EL_GROUP_START + 20,
5304   EL_GROUP_START + 21,
5305   EL_GROUP_START + 22,
5306   EL_GROUP_START + 23,
5307
5308   EL_GROUP_START + 24,
5309   EL_GROUP_START + 25,
5310   EL_GROUP_START + 26,
5311   EL_GROUP_START + 27,
5312
5313   EL_GROUP_START + 28,
5314   EL_GROUP_START + 29,
5315   EL_GROUP_START + 30,
5316   EL_GROUP_START + 31
5317 };
5318 static int *editor_hl_group_ptr = editor_hl_group;
5319 static int *editor_el_group_ptr = editor_el_group;
5320 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5321 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5322
5323 static int editor_hl_empty_space[] =
5324 {
5325   EL_INTERNAL_CASCADE_ES_ACTIVE,
5326   EL_CHAR('E'),
5327   EL_CHAR('S'),
5328   EL_EMPTY,
5329 };
5330
5331 static int editor_el_empty_space[] =
5332 {
5333   EL_EMPTY_SPACE_1,
5334   EL_EMPTY_SPACE_2,
5335   EL_EMPTY_SPACE_3,
5336   EL_EMPTY_SPACE_4,
5337
5338   EL_EMPTY_SPACE_5,
5339   EL_EMPTY_SPACE_6,
5340   EL_EMPTY_SPACE_7,
5341   EL_EMPTY_SPACE_8,
5342
5343   EL_EMPTY_SPACE_9,
5344   EL_EMPTY_SPACE_10,
5345   EL_EMPTY_SPACE_11,
5346   EL_EMPTY_SPACE_12,
5347
5348   EL_EMPTY_SPACE_13,
5349   EL_EMPTY_SPACE_14,
5350   EL_EMPTY_SPACE_15,
5351   EL_EMPTY_SPACE_16
5352 };
5353 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5354 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5355 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5356 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5357
5358 static int editor_hl_reference[] =
5359 {
5360   EL_INTERNAL_CASCADE_REF_ACTIVE,
5361   EL_CHAR('R'),
5362   EL_CHAR('E'),
5363   EL_CHAR('F')
5364 };
5365
5366 static int editor_el_reference[] =
5367 {
5368   EL_TRIGGER_PLAYER,
5369   EL_TRIGGER_ELEMENT,
5370   EL_TRIGGER_CE_VALUE,
5371   EL_TRIGGER_CE_SCORE,
5372
5373   EL_SELF,
5374   EL_ANY_ELEMENT,
5375   EL_CURRENT_CE_VALUE,
5376   EL_CURRENT_CE_SCORE,
5377
5378   EL_PREV_CE_8,
5379   EL_PREV_CE_7,
5380   EL_PREV_CE_6,
5381   EL_PREV_CE_5,
5382
5383   EL_PREV_CE_4,
5384   EL_PREV_CE_3,
5385   EL_PREV_CE_2,
5386   EL_PREV_CE_1,
5387
5388   EL_NEXT_CE_1,
5389   EL_NEXT_CE_2,
5390   EL_NEXT_CE_3,
5391   EL_NEXT_CE_4,
5392
5393   EL_NEXT_CE_5,
5394   EL_NEXT_CE_6,
5395   EL_NEXT_CE_7,
5396   EL_NEXT_CE_8,
5397 };
5398 static int *editor_hl_reference_ptr = editor_hl_reference;
5399 static int *editor_el_reference_ptr = editor_el_reference;
5400 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5401 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5402
5403 static int editor_hl_user_defined[] =
5404 {
5405   EL_INTERNAL_CASCADE_USER_ACTIVE,
5406   EL_CHAR('M'),
5407   EL_CHAR('Y'),
5408   EL_EMPTY,
5409 };
5410
5411 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5412 static int *editor_el_user_defined_ptr = NULL;
5413 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5414 static int num_editor_el_user_defined = 0;
5415
5416 static int editor_hl_dynamic[] =
5417 {
5418   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5419   EL_CHAR('U'),
5420   EL_CHAR('S'),
5421   EL_CHAR('E'),
5422 };
5423
5424 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5425 static int *editor_el_dynamic_ptr = NULL;
5426 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5427 static int num_editor_el_dynamic = 0;
5428
5429 static int editor_hl_empty[] = { EL_EMPTY };
5430 static int *editor_el_empty = NULL;     // dynamically allocated
5431
5432 static int *editor_hl_empty_ptr = editor_hl_empty;
5433 static int *editor_el_empty_ptr = NULL;
5434 static int num_editor_hl_empty = 0;
5435 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5436
5437 static boolean use_el_empty = FALSE;
5438
5439 static int *editor_elements = NULL;     // dynamically allocated
5440 static int num_editor_elements = 0;     // dynamically determined
5441
5442 static boolean setup_editor_cascade_never = FALSE;
5443
5444 static boolean setup_editor_el_players                  = TRUE;
5445 static boolean setup_editor_el_boulderdash              = TRUE;
5446 static boolean setup_editor_el_emerald_mine             = TRUE;
5447 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5448 static boolean setup_editor_el_more                     = TRUE;
5449 static boolean setup_editor_el_sokoban                  = TRUE;
5450 static boolean setup_editor_el_supaplex                 = TRUE;
5451 static boolean setup_editor_el_diamond_caves            = TRUE;
5452 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5453 static boolean setup_editor_el_mirror_magic             = TRUE;
5454 static boolean setup_editor_el_deflektor                = TRUE;
5455 static boolean setup_editor_el_chars                    = TRUE;
5456 static boolean setup_editor_el_steel_chars              = TRUE;
5457 static boolean setup_editor_el_custom                   = TRUE;
5458 static boolean setup_editor_el_user_defined             = TRUE;
5459 static boolean setup_editor_el_dynamic                  = TRUE;
5460
5461 static int editor_hl_unused[] = { EL_EMPTY };
5462 static int *editor_hl_unused_ptr = editor_hl_unused;
5463 static int num_editor_hl_unused = 0;
5464
5465 static struct
5466 {
5467   boolean *setup_value;
5468   boolean *setup_cascade_value;
5469
5470   int **headline_list;
5471   int *headline_list_size;
5472
5473   int **element_list;
5474   int *element_list_size;
5475
5476   boolean last_setup_value;
5477 }
5478 editor_elements_info[] =
5479 {
5480   {
5481     &setup_editor_el_players,
5482     &setup_editor_cascade_never,
5483     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5484     &editor_el_players_ptr,             &num_editor_el_players
5485   },
5486   {
5487     &setup_editor_el_boulderdash,
5488     &setup.editor_cascade.el_bd,
5489     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5490     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5491   },
5492   {
5493     &setup_editor_el_emerald_mine,
5494     &setup.editor_cascade.el_em,
5495     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5496     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5497   },
5498   {
5499     &setup_editor_el_emerald_mine_club,
5500     &setup.editor_cascade.el_emc,
5501     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5502     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5503   },
5504   {
5505     &setup_editor_el_more,
5506     &setup.editor_cascade.el_rnd,
5507     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5508     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5509   },
5510   {
5511     &setup_editor_el_sokoban,
5512     &setup.editor_cascade.el_sb,
5513     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5514     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5515   },
5516   {
5517     &setup_editor_el_supaplex,
5518     &setup.editor_cascade.el_sp,
5519     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5520     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5521   },
5522   {
5523     &setup_editor_el_diamond_caves,
5524     &setup.editor_cascade.el_dc,
5525     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5526     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5527   },
5528   {
5529     &setup_editor_el_dx_boulderdash,
5530     &setup.editor_cascade.el_dx,
5531     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5532     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5533   },
5534   {
5535     &setup_editor_el_mirror_magic,
5536     &setup.editor_cascade.el_mm,
5537     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5538     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5539   },
5540   {
5541     &setup_editor_el_deflektor,
5542     &setup.editor_cascade.el_df,
5543     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5544     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5545   },
5546   {
5547     &setup_editor_el_chars,
5548     &setup.editor_cascade.el_chars,
5549     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5550     &editor_el_chars_ptr,               &num_editor_el_chars
5551   },
5552   {
5553     &setup_editor_el_steel_chars,
5554     &setup.editor_cascade.el_steel_chars,
5555     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5556     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5557   },
5558   {
5559     &setup_editor_el_custom,
5560     &setup.editor_cascade.el_ce,
5561     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5562     &editor_el_custom_ptr,              &num_editor_el_custom
5563   },
5564   {
5565     &setup_editor_el_custom,
5566     &setup.editor_cascade.el_ge,
5567     &editor_hl_group_ptr,               &num_editor_hl_group,
5568     &editor_el_group_ptr,               &num_editor_el_group
5569   },
5570   {
5571     &setup_editor_el_custom,
5572     &setup.editor_cascade.el_es,
5573     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
5574     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
5575   },
5576   {
5577     &setup_editor_el_custom,
5578     &setup.editor_cascade.el_ref,
5579     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5580     &editor_el_reference_ptr,           &num_editor_el_reference
5581   },
5582   {
5583     &setup_editor_el_user_defined,
5584     &setup.editor_cascade.el_user,
5585     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5586     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5587   },
5588   {
5589     &setup_editor_el_dynamic,
5590     &setup.editor_cascade.el_dynamic,
5591     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5592     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5593   },
5594   {
5595     &use_el_empty,
5596     &use_el_empty,
5597     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5598     &editor_el_empty_ptr,               &num_editor_el_empty,
5599   },
5600   {
5601     NULL,
5602     NULL,
5603     NULL,                               NULL,
5604     NULL,                               NULL
5605   }
5606 };
5607
5608 static struct XY xy_directions[] =
5609 {
5610   { -1,  0 },
5611   { +1,  0 },
5612   {  0, -1 },
5613   {  0, +1 }
5614 };
5615
5616
5617 // ----------------------------------------------------------------------------
5618 // functions
5619 // ----------------------------------------------------------------------------
5620
5621 static int getMaxInfoTextLength(void)
5622 {
5623   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5624 }
5625
5626 static int getTextWidthForGadget(char *text)
5627 {
5628   if (text == NULL)
5629     return 0;
5630
5631   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5632 }
5633
5634 static int getTextWidthForDrawingArea(char *text)
5635 {
5636   if (text == NULL)
5637     return 0;
5638
5639   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5640 }
5641
5642 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5643 {
5644   return (gi->x + gi->width + getTextWidthForGadget(text));
5645 }
5646
5647 static char *getElementInfoText(int element)
5648 {
5649   char *info_text = NULL;
5650
5651   if (element < MAX_NUM_ELEMENTS)
5652   {
5653     if (strlen(element_info[element].description) > 0)
5654       info_text = element_info[element].description;
5655     else if (element_info[element].custom_description != NULL)
5656       info_text = element_info[element].custom_description;
5657     else if (element_info[element].editor_description != NULL)
5658       info_text = element_info[element].editor_description;
5659   }
5660
5661   if (info_text == NULL)
5662     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5663
5664   return info_text;
5665 }
5666
5667 static char *getElementDescriptionFilenameExt(char *basename)
5668 {
5669   char *elements_subdir = ELEMENTS_DIRECTORY;
5670   static char *elements_subdir2 = NULL;
5671   static char *filename = NULL;
5672
5673   if (elements_subdir2 == NULL)
5674     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5675
5676   checked_free(filename);
5677
5678   // 1st try: look for element description in current level set directory
5679   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5680   if (fileExists(filename))
5681     return filename;
5682
5683   free(filename);
5684
5685   // 2nd try: look for element description in the game's base directory
5686   filename = getPath3(options.docs_directory, elements_subdir, basename);
5687   if (fileExists(filename))
5688     return filename;
5689
5690   return NULL;
5691 }
5692
5693 static char *getElementDescriptionFilename(int element)
5694 {
5695   char basename[MAX_FILENAME_LEN];
5696   char *filename;
5697
5698   // 1st try: look for element description file for exactly this element
5699   sprintf(basename, "%s.txt", element_info[element].token_name);
5700   filename = getElementDescriptionFilenameExt(basename);
5701   if (filename != NULL)
5702     return filename;
5703
5704   // 2nd try: look for element description file for this element's class
5705   sprintf(basename, "%s.txt", element_info[element].class_name);
5706   filename = getElementDescriptionFilenameExt(basename);
5707   if (filename != NULL)
5708     return filename;
5709
5710   // 3rd try: look for generic fallback text file for any element
5711   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
5712   if (filename != NULL)
5713     return filename;
5714
5715   return NULL;
5716 }
5717
5718 static boolean suppressBorderElement(void)
5719 {
5720   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5721           lev_fieldx <= MAX_ED_FIELDX &&
5722           lev_fieldy <= MAX_ED_FIELDY);
5723 }
5724
5725 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5726 {
5727   boolean element_found[NUM_FILE_ELEMENTS];
5728   int i, x, y;
5729
5730   // initialize list of used elements to "not used"
5731   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5732     element_found[i] = FALSE;
5733
5734   // find all elements used in current level
5735   for (y = 0; y < lev_fieldy; y++)
5736     for (x = 0; x < lev_fieldx; x++)
5737       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5738         element_found[Tile[x][y]] = TRUE;
5739
5740   *num_elements = 0;
5741
5742   // count number of elements used in current level
5743   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5744     if (element_found[i])
5745       (*num_elements)++;
5746
5747   // add space for up to 3 more elements for padding that may be needed
5748   *num_elements += 3;
5749
5750   // free memory for old list of elements, if needed
5751   checked_free(*elements);
5752
5753   // allocate memory for new list of elements
5754   *elements = checked_malloc(*num_elements * sizeof(int));
5755
5756   *num_elements = 0;
5757
5758   // add all elements used in current level (non-custom/group elements)
5759   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5760     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5761       (*elements)[(*num_elements)++] = i;
5762
5763   // add all elements used in current level (custom/group elements)
5764   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5765     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5766       (*elements)[(*num_elements)++] = i;
5767
5768   while (*num_elements % 4)     // pad with empty elements, if needed
5769     (*elements)[(*num_elements)++] = EL_EMPTY;
5770 }
5771
5772 static void ReinitializeElementList_EnableSections(void)
5773 {
5774   // default: enable all element sections
5775
5776   setup_editor_el_players               = TRUE;
5777   setup_editor_el_boulderdash           = TRUE;
5778   setup_editor_el_emerald_mine          = TRUE;
5779   setup_editor_el_emerald_mine_club     = TRUE;
5780   setup_editor_el_more                  = TRUE;
5781   setup_editor_el_sokoban               = TRUE;
5782   setup_editor_el_supaplex              = TRUE;
5783   setup_editor_el_diamond_caves         = TRUE;
5784   setup_editor_el_dx_boulderdash        = TRUE;
5785   setup_editor_el_mirror_magic          = TRUE;
5786   setup_editor_el_deflektor             = TRUE;
5787   setup_editor_el_chars                 = TRUE;
5788   setup_editor_el_steel_chars           = TRUE;
5789
5790   setup_editor_el_custom                = TRUE;
5791   setup_editor_el_user_defined          = TRUE;
5792   setup_editor_el_dynamic               = TRUE;
5793
5794   // now disable all element sections not to be displayed
5795
5796   if (!setup.editor.el_classic)
5797   {
5798     setup_editor_el_players             = FALSE;
5799     setup_editor_el_boulderdash         = FALSE;
5800     setup_editor_el_emerald_mine        = FALSE;
5801     setup_editor_el_emerald_mine_club   = FALSE;
5802     setup_editor_el_more                = FALSE;
5803     setup_editor_el_sokoban             = FALSE;
5804     setup_editor_el_supaplex            = FALSE;
5805     setup_editor_el_diamond_caves       = FALSE;
5806     setup_editor_el_dx_boulderdash      = FALSE;
5807     setup_editor_el_mirror_magic        = FALSE;
5808     setup_editor_el_deflektor           = FALSE;
5809     setup_editor_el_chars               = FALSE;
5810     setup_editor_el_steel_chars         = FALSE;
5811   }
5812
5813   if (!setup.editor.el_custom)
5814   {
5815     setup_editor_el_custom              = FALSE;
5816   }
5817
5818   if (!setup.editor.el_user_defined)
5819   {
5820     setup_editor_el_user_defined        = FALSE;
5821   }
5822
5823   if (!setup.editor.el_dynamic)
5824   {
5825     setup_editor_el_dynamic             = FALSE;
5826   }
5827
5828   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5829   {
5830     setup_editor_el_mirror_magic        = FALSE;
5831     setup_editor_el_deflektor           = FALSE;
5832   }
5833   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5834   {
5835     setup_editor_el_boulderdash         = FALSE;
5836     setup_editor_el_more                = FALSE;
5837     setup_editor_el_sokoban             = FALSE;
5838     setup_editor_el_supaplex            = FALSE;
5839     setup_editor_el_diamond_caves       = FALSE;
5840     setup_editor_el_dx_boulderdash      = FALSE;
5841     setup_editor_el_mirror_magic        = FALSE;
5842     setup_editor_el_deflektor           = FALSE;
5843     setup_editor_el_steel_chars         = FALSE;
5844
5845     setup_editor_el_custom              = FALSE;
5846   }
5847   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5848   {
5849     setup_editor_el_players             = FALSE;
5850     setup_editor_el_boulderdash         = FALSE;
5851     setup_editor_el_emerald_mine        = FALSE;
5852     setup_editor_el_emerald_mine_club   = FALSE;
5853     setup_editor_el_more                = FALSE;
5854     setup_editor_el_sokoban             = FALSE;
5855     setup_editor_el_diamond_caves       = FALSE;
5856     setup_editor_el_dx_boulderdash      = FALSE;
5857     setup_editor_el_mirror_magic        = FALSE;
5858     setup_editor_el_deflektor           = FALSE;
5859     setup_editor_el_chars               = FALSE;
5860     setup_editor_el_steel_chars         = FALSE;
5861
5862     setup_editor_el_custom              = FALSE;
5863   }
5864   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5865   {
5866     setup_editor_el_players             = FALSE;
5867     setup_editor_el_boulderdash         = FALSE;
5868     setup_editor_el_emerald_mine        = FALSE;
5869     setup_editor_el_emerald_mine_club   = FALSE;
5870     setup_editor_el_more                = FALSE;
5871     setup_editor_el_sokoban             = FALSE;
5872     setup_editor_el_supaplex            = FALSE;
5873     setup_editor_el_diamond_caves       = FALSE;
5874     setup_editor_el_dx_boulderdash      = FALSE;
5875     setup_editor_el_steel_chars         = FALSE;
5876
5877     setup_editor_el_custom              = FALSE;
5878   }
5879 }
5880
5881 static void ReinitializeElementList(void)
5882 {
5883   static boolean initialization_needed = TRUE;
5884   int pos = 0;
5885   int i, j;
5886
5887   ReinitializeElementList_EnableSections();
5888
5889   if (initialization_needed)
5890   {
5891     LoadSetup_EditorCascade();          // load last editor cascade state
5892
5893     // initialize editor cascade element from saved cascade state
5894     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5895     {
5896       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5897       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5898
5899       if (IS_EDITOR_CASCADE(*cascade_element))
5900         *cascade_element =
5901           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5902            EL_CASCADE_INACTIVE(*cascade_element));
5903     }
5904
5905     initialization_needed = FALSE;
5906   }
5907
5908   checked_free(editor_elements);
5909
5910   // reload optional user defined element list for each invocation of editor
5911   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5912                                    &num_editor_el_user_defined);
5913
5914   // initialize dynamic level element list for each invocation of editor
5915   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5916                                &num_editor_el_dynamic);
5917
5918   // initialize list of empty elements (used for padding, if needed)
5919   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5920     editor_el_empty[i] = EL_EMPTY;
5921
5922   // do some sanity checks for each element from element list
5923   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5924   {
5925     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5926     {
5927       int element = (*editor_elements_info[i].element_list)[j];
5928
5929       if (element >= NUM_FILE_ELEMENTS)
5930         Warn("editor element %d is runtime element", element);
5931
5932       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5933         Warn("no element description text for element %d", element);
5934     }
5935   }
5936
5937   num_editor_elements = 0;
5938   use_el_empty = FALSE;
5939
5940   // determine size of element list
5941   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5942   {
5943     if (*editor_elements_info[i].setup_value)
5944     {
5945       boolean found_inactive_cascade = FALSE;
5946
5947       if (setup.editor.el_headlines)
5948       {
5949         // required for correct padding of palette headline buttons
5950         if (*editor_elements_info[i].headline_list_size > 0)
5951           num_editor_elements += ED_ELEMENTLIST_COLS;
5952
5953         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5954         {
5955           int element = (*editor_elements_info[i].headline_list)[j];
5956
5957           if (IS_EDITOR_CASCADE_INACTIVE(element))
5958             found_inactive_cascade = TRUE;
5959         }
5960       }
5961
5962       if (found_inactive_cascade)
5963         continue;
5964
5965       // required for correct padding of palette element buttons
5966       int element_list_size = *editor_elements_info[i].element_list_size;
5967       int element_rows =
5968         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5969       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5970
5971       num_editor_elements += element_buttons;
5972     }
5973   }
5974
5975   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5976   {
5977     // offer at least as many elements as element buttons exist
5978     use_el_empty = TRUE;
5979     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5980
5981     num_editor_elements += num_editor_el_empty;
5982   }
5983   else
5984   {
5985     num_editor_el_empty = 0;
5986   }
5987
5988   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5989
5990   // fill element list
5991   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5992   {
5993     boolean found_inactive_cascade = FALSE;
5994
5995     if (*editor_elements_info[i].setup_value)
5996     {
5997       if (setup.editor.el_headlines)
5998       {
5999         // required for correct padding of palette headline buttons
6000         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6001                              ED_ELEMENTLIST_COLS : 0);
6002
6003         for (j = 0; j < headline_size; j++)
6004         {
6005           // use empty elements for padding of palette headline buttons
6006           int element = (j < *editor_elements_info[i].headline_list_size ?
6007                          (*editor_elements_info[i].headline_list)[j] :
6008                          editor_el_empty[0]);
6009
6010           editor_elements[pos++] = element;
6011
6012           if (IS_EDITOR_CASCADE_INACTIVE(element))
6013             found_inactive_cascade = TRUE;
6014         }
6015       }
6016
6017       if (found_inactive_cascade)
6018         continue;
6019
6020       // required for correct padding of palette element buttons
6021       int element_list_size = *editor_elements_info[i].element_list_size;
6022       int element_rows =
6023         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6024       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6025
6026       // copy all elements from element list
6027       for (j = 0; j < element_list_size; j++)
6028         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6029
6030       // use empty elements for padding of palette element buttons
6031       for (j = 0; j < element_buttons - element_list_size; j++)
6032         editor_elements[pos++] = editor_el_empty[0];
6033     }
6034   }
6035
6036   // (this function is also called before editor gadgets are initialized!)
6037   AdjustElementListScrollbar();
6038 }
6039
6040 void PrintEditorElementList(void)
6041 {
6042   boolean *stop = &setup_editor_el_user_defined;
6043   int i, j;
6044
6045   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6046   {
6047     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6048
6049     if (IS_EDITOR_CASCADE(cascade_element))
6050     {
6051       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6052       char *headline = element_info[cascade_element_show].editor_description;
6053
6054       PrintLineWithPrefix("# ", "-", 77);
6055       Print("# %s\n", headline);
6056       PrintLineWithPrefix("# ", "-", 77);
6057     }
6058
6059     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6060     {
6061       int element = (*editor_elements_info[i].headline_list)[j];
6062
6063       if (IS_EDITOR_CASCADE(element))
6064         element = EL_CHAR_MINUS;
6065
6066       Print("# %s\n", element_info[element].token_name);
6067     }
6068
6069     if (j > 0)
6070       Print("#\n");
6071
6072     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6073     {
6074       int element = (*editor_elements_info[i].element_list)[j];
6075
6076       Print("# %s\n", element_info[element].token_name);
6077     }
6078
6079     if (j > 0)
6080       Print("#\n");
6081   }
6082 }
6083
6084 static void ReinitializeElementListButtons(void)
6085 {
6086   static boolean last_setup_value_headlines = FALSE;
6087   static boolean initialization_needed = TRUE;
6088   int i;
6089
6090   if (!initialization_needed)   // check if editor element setup has changed
6091   {
6092     if (last_setup_value_headlines != setup.editor.el_headlines)
6093       initialization_needed = TRUE;
6094
6095     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6096       if (editor_elements_info[i].last_setup_value !=
6097           *editor_elements_info[i].setup_value)
6098         initialization_needed = TRUE;
6099   }
6100
6101   if (!initialization_needed)
6102     return;
6103
6104   FreeLevelEditorGadgets();
6105   CreateLevelEditorGadgets();
6106
6107   // store current setup values for next invocation of this function
6108   last_setup_value_headlines = setup.editor.el_headlines;
6109   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6110     editor_elements_info[i].last_setup_value =
6111       *editor_elements_info[i].setup_value;
6112
6113   initialization_needed = FALSE;
6114 }
6115
6116 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6117                               boolean input)
6118 {
6119   int border_graphic =
6120     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6121   struct GraphicInfo *g = &graphic_info[border_graphic];
6122   Bitmap *src_bitmap = g->bitmap;
6123   int src_x = g->src_x;
6124   int src_y = g->src_y;
6125   int border_size = g->border_size;
6126   int border_xpos = g->width  - border_size;
6127   int border_ypos = g->height - border_size;
6128   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6129   int i;
6130
6131   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6132              border_size, border_size,
6133              dest_x - border_size, dest_y - border_size);
6134   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6135              border_size, border_size,
6136              dest_x + width, dest_y - border_size);
6137   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6138              border_size, border_size,
6139              dest_x - border_size, dest_y + height);
6140   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6141              border_size, border_size,
6142              dest_x + width, dest_y + height);
6143
6144   for (i = 0; i < width / tilesize; i++)
6145   {
6146     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6147                tilesize, border_size,
6148                dest_x + i * tilesize, dest_y - border_size);
6149     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6150                tilesize, border_size,
6151                dest_x + i * tilesize, dest_y + height);
6152   }
6153
6154   for (i = 0; i < height / tilesize; i++)
6155   {
6156     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6157                border_size, tilesize,
6158                dest_x - border_size, dest_y + i * tilesize);
6159     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6160                border_size, tilesize,
6161                dest_x + width, dest_y + i * tilesize);
6162   }
6163
6164   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6165 }
6166
6167 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6168 {
6169   int xsize_tile = MAX(ed_tilesize, xsize);
6170   int ysize_tile = MAX(ed_tilesize, ysize);
6171   int xsize_full = xsize + 1;
6172   int ysize_full = ysize + 1;
6173   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6174   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6175   Pixel line_color = getTabulatorBarColor();
6176
6177   if (line_color == BLACK_PIXEL)                // black => transparent
6178     return;
6179
6180   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6181   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6182   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6183 }
6184
6185 static void DrawEditorLevelBorderLinesIfNeeded(void)
6186 {
6187   int xsize = lev_fieldx * ed_tilesize;
6188   int ysize = lev_fieldy * ed_tilesize;
6189   int line_size = getTabulatorBarHeight();
6190
6191   if (!suppressBorderElement())
6192     return;
6193
6194   // draw little border line around editable level playfield
6195
6196   if (xsize < SXSIZE)
6197     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6198
6199   if (ysize < SYSIZE)
6200     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6201
6202   if (xsize < SXSIZE && ysize < SYSIZE)
6203     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6204 }
6205
6206 static void DrawEditorElement(int x, int y, int element)
6207 {
6208   DrawSizedElement(x, y, element, ed_tilesize);
6209 }
6210
6211 static void DrawEditorElementThruMask(int x, int y, int element)
6212 {
6213   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6214 }
6215
6216 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6217 {
6218   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6219 }
6220
6221 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6222 {
6223   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6224   DrawEditorLevelBorderLinesIfNeeded();
6225 }
6226
6227 static void DrawDrawingArea(int id)
6228 {
6229   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6230   int x, y;
6231
6232   int *value = drawingarea_info[id].value;
6233   int area_xsize = drawingarea_info[id].area_xsize;
6234   int area_ysize = drawingarea_info[id].area_ysize;
6235   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6236
6237   for (x = 0; x < area_xsize; x++)
6238     for (y = 0; y < area_ysize; y++)
6239       DrawSizedGraphicExt(drawto,
6240                           gi->x + x * tilesize,
6241                           gi->y + y * tilesize,
6242                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6243 }
6244
6245 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6246 {
6247   int x, y;
6248   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6249   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6250
6251   BlitBitmap(drawto, drawto,
6252              SX + (dx == -1 ? ed_tilesize : 0),
6253              SY + (dy == -1 ? ed_tilesize : 0),
6254              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6255              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6256              SX + (dx == +1 ? ed_tilesize : 0),
6257              SY + (dy == +1 ? ed_tilesize : 0));
6258
6259   if (dx)
6260   {
6261     x = (dx == 1 ? 0 : ed_fieldx - 1);
6262     for (y = 0; y < ed_fieldy; y++)
6263       DrawEditorElementOrWall(x, y, from_x, from_y);
6264   }
6265   else if (dy)
6266   {
6267     y = (dy == 1 ? 0 : ed_fieldy - 1);
6268     for (x = 0; x < ed_fieldx; x++)
6269       DrawEditorElementOrWall(x, y, from_x, from_y);
6270   }
6271
6272   redraw_mask |= REDRAW_FIELD;
6273   BackToFront();
6274 }
6275
6276 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6277                                    int *x, int *y)
6278 {
6279   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6280 }
6281
6282 static void CreateControlButtons(void)
6283 {
6284   struct GadgetInfo *gi;
6285   int i;
6286
6287   // create toolbox buttons
6288   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6289   {
6290     int id = controlbutton_info[i].gadget_id;
6291     int type = controlbutton_info[i].gadget_type;
6292     int graphic = controlbutton_info[i].graphic;
6293     struct XYTileSize *pos = controlbutton_info[i].pos;
6294     struct GraphicInfo *gd = &graphic_info[graphic];
6295     Bitmap *deco_bitmap = NULL;
6296     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6297     int tile_size = 0, deco_shift = 0;
6298     boolean deco_masked = FALSE;
6299     int gd_x1 = gd->src_x;
6300     int gd_y1 = gd->src_y;
6301     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6302     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6303     int gd_x1a = gd->src_x + gd->active_xoffset;
6304     int gd_y1a = gd->src_y + gd->active_yoffset;
6305     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6306     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6307     int x = pos->x;
6308     int y = pos->y;
6309     unsigned int event_mask;
6310     int radio_button_nr = RADIO_NR_NONE;
6311     boolean checked = FALSE;
6312
6313     if (type == GD_TYPE_RADIO_BUTTON)
6314     {
6315       event_mask = GD_EVENT_PRESSED;
6316       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6317
6318       if (id == drawing_function)
6319         checked = TRUE;
6320     }
6321     else
6322     {
6323       if (id == GADGET_ID_WRAP_LEFT ||
6324           id == GADGET_ID_WRAP_RIGHT ||
6325           id == GADGET_ID_WRAP_UP ||
6326           id == GADGET_ID_WRAP_DOWN)
6327         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6328       else
6329         event_mask = GD_EVENT_RELEASED;
6330     }
6331
6332     if (id == GADGET_ID_PROPERTIES ||
6333         id == GADGET_ID_PALETTE)
6334     {
6335       x += DX;
6336       y += DY;
6337     }
6338     else if (id == GADGET_ID_ELEMENT_LEFT ||
6339              id == GADGET_ID_ELEMENT_MIDDLE ||
6340              id == GADGET_ID_ELEMENT_RIGHT)
6341     {
6342       x += DX;
6343       y += DY;
6344
6345       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6346                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6347                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6348
6349       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6350                                    editor.button.element_left.tile_size :
6351                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6352                                    editor.button.element_middle.tile_size :
6353                                    id == GADGET_ID_ELEMENT_RIGHT ?
6354                                    editor.button.element_right.tile_size : 0);
6355
6356       // make sure that decoration does not overlap gadget border
6357       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6358
6359       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6360
6361       deco_xpos = (gd->width  - tile_size) / 2;
6362       deco_ypos = (gd->height - tile_size) / 2;
6363       deco_shift = 1;
6364       deco_masked = gd->draw_masked;
6365     }
6366     else
6367     {
6368       x += EX;
6369       y += EY;
6370     }
6371
6372     gi = CreateGadget(GDI_CUSTOM_ID, id,
6373                       GDI_CUSTOM_TYPE_ID, i,
6374                       GDI_IMAGE_ID, graphic,
6375                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6376                       GDI_X, x,
6377                       GDI_Y, y,
6378                       GDI_WIDTH, gd->width,
6379                       GDI_HEIGHT, gd->height,
6380                       GDI_TYPE, type,
6381                       GDI_STATE, GD_BUTTON_UNPRESSED,
6382                       GDI_RADIO_NR, radio_button_nr,
6383                       GDI_CHECKED, checked,
6384                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6385                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6386                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6387                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6388                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6389                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6390                       GDI_DECORATION_SIZE, tile_size, tile_size,
6391                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6392                       GDI_DECORATION_MASKED, deco_masked,
6393                       GDI_EVENT_MASK, event_mask,
6394                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6395                       GDI_CALLBACK_ACTION, HandleControlButtons,
6396                       GDI_END);
6397
6398     if (gi == NULL)
6399       Fail("cannot create gadget");
6400
6401     level_editor_gadget[id] = gi;
6402   }
6403
6404   // these values are not constant, but can change at runtime
6405   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6406   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6407   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6408   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6409   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6410   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6411   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6412   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6413   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6414   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6415   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6416   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6417
6418   // create buttons for scrolling of drawing area and element list
6419   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6420   {
6421     int id = scrollbutton_info[i].gadget_id;
6422     int graphic = scrollbutton_info[i].graphic;
6423     struct GraphicInfo *gd = &graphic_info[graphic];
6424     Bitmap *gd_bitmap = gd->bitmap;
6425     int gd_x1 = gd->src_x;
6426     int gd_y1 = gd->src_y;
6427     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6428     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6429     int width  = gd->width;
6430     int height = gd->height;
6431     int x = scrollbutton_pos[i].x;
6432     int y = scrollbutton_pos[i].y;
6433     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6434
6435     if (id == GADGET_ID_SCROLL_LIST_UP ||
6436         id == GADGET_ID_SCROLL_LIST_DOWN)
6437     {
6438       x += PX;
6439       y += PY;
6440     }
6441     else
6442     {
6443       x += SX;
6444       y += SY;
6445     }
6446
6447     gi = CreateGadget(GDI_CUSTOM_ID, id,
6448                       GDI_CUSTOM_TYPE_ID, i,
6449                       GDI_IMAGE_ID, graphic,
6450                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6451                       GDI_X, x,
6452                       GDI_Y, y,
6453                       GDI_WIDTH, width,
6454                       GDI_HEIGHT, height,
6455                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6456                       GDI_STATE, GD_BUTTON_UNPRESSED,
6457                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6458                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6459                       GDI_EVENT_MASK, event_mask,
6460                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6461                       GDI_CALLBACK_ACTION, HandleControlButtons,
6462                       GDI_END);
6463
6464     if (gi == NULL)
6465       Fail("cannot create gadget");
6466
6467     level_editor_gadget[id] = gi;
6468   }
6469
6470   // create buttons for element list
6471   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6472   {
6473     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6474     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6475     struct GraphicInfo *gd = &graphic_info[graphic];
6476     Bitmap *gd_bitmap = gd->bitmap;
6477     Bitmap *deco_bitmap;
6478     int deco_x, deco_y, deco_xpos, deco_ypos;
6479     int gd_x1 = gd->src_x;
6480     int gd_y1 = gd->src_y;
6481     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6482     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6483     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6484     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6485     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6486     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6487     int element = editor_elements[i];
6488     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6489     unsigned int event_mask = GD_EVENT_RELEASED;
6490
6491     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6492
6493     deco_xpos = (gd->width  - tile_size) / 2;
6494     deco_ypos = (gd->height - tile_size) / 2;
6495
6496     gi = CreateGadget(GDI_CUSTOM_ID, id,
6497                       GDI_CUSTOM_TYPE_ID, i,
6498                       GDI_IMAGE_ID, graphic,
6499                       GDI_INFO_TEXT, getElementInfoText(element),
6500                       GDI_X, x,
6501                       GDI_Y, y,
6502                       GDI_WIDTH, gd->width,
6503                       GDI_HEIGHT, gd->height,
6504                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6505                       GDI_STATE, GD_BUTTON_UNPRESSED,
6506                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6507                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6508                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6509                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6510                       GDI_DECORATION_SIZE, tile_size, tile_size,
6511                       GDI_DECORATION_SHIFTING, 1, 1,
6512                       GDI_EVENT_MASK, event_mask,
6513                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6514                       GDI_CALLBACK_ACTION, HandleControlButtons,
6515                       GDI_END);
6516
6517     if (gi == NULL)
6518       Fail("cannot create gadget");
6519
6520     level_editor_gadget[id] = gi;
6521   }
6522 }
6523
6524 static void CreateCounterButtons(void)
6525 {
6526   int max_infotext_len = getMaxInfoTextLength();
6527   int i;
6528
6529   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6530   {
6531     int j;
6532     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6533     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6534
6535     // determine horizontal position to the right of specified gadget
6536     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6537       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6538            ED_GADGET_TEXT_DISTANCE);
6539
6540     // determine horizontal offset for leading text
6541     if (counterbutton_info[i].text_left != NULL)
6542       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6543
6544     for (j = 0; j < 2; j++)
6545     {
6546       struct GadgetInfo *gi;
6547       int id = (j == 0 ?
6548                 counterbutton_info[i].gadget_id_down :
6549                 counterbutton_info[i].gadget_id_up);
6550       int graphic;
6551       struct GraphicInfo *gd;
6552       int gd_x1, gd_x2, gd_y1, gd_y2;
6553       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6554       char infotext[max_infotext_len + 1];
6555
6556       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6557       {
6558         graphic = (j == 0 ?
6559                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6560                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6561
6562         event_mask |= GD_EVENT_RELEASED;
6563
6564         if (j == 0)
6565         {
6566           x = DX + editor.button.prev_level.x;
6567           y = DY + editor.button.prev_level.y;
6568         }
6569         else
6570         {
6571           x = DX + editor.button.next_level.x;
6572           y = DY + editor.button.next_level.y;
6573         }
6574       }
6575       else
6576       {
6577         graphic = (j == 0 ?
6578                    IMG_EDITOR_COUNTER_DOWN :
6579                    IMG_EDITOR_COUNTER_UP);
6580       }
6581
6582       gd = &graphic_info[graphic];
6583
6584       gd_x1 = gd->src_x;
6585       gd_y1 = gd->src_y;
6586       gd_x2 = gd->src_x + gd->pressed_xoffset;
6587       gd_y2 = gd->src_y + gd->pressed_yoffset;
6588
6589       sprintf(infotext, "%s counter value by 1, 5 or 10",
6590               (j == 0 ? "decrease" : "increase"));
6591
6592       gi = CreateGadget(GDI_CUSTOM_ID, id,
6593                         GDI_CUSTOM_TYPE_ID, i,
6594                         GDI_IMAGE_ID, graphic,
6595                         GDI_INFO_TEXT, infotext,
6596                         GDI_X, x,
6597                         GDI_Y, y,
6598                         GDI_WIDTH, gd->width,
6599                         GDI_HEIGHT, gd->height,
6600                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6601                         GDI_STATE, GD_BUTTON_UNPRESSED,
6602                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6603                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6604                         GDI_EVENT_MASK, event_mask,
6605                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6606                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6607                         GDI_END);
6608
6609       if (gi == NULL)
6610         Fail("cannot create gadget");
6611
6612       level_editor_gadget[id] = gi;
6613       right_gadget_border[id] =
6614         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6615
6616       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6617
6618       if (j == 0)
6619       {
6620         int font_type = FONT_INPUT_1;
6621         int font_type_active = FONT_INPUT_1_ACTIVE;
6622
6623         id = counterbutton_info[i].gadget_id_text;
6624
6625         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6626
6627         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6628         {
6629           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6630
6631           font_type = FONT_LEVEL_NUMBER;
6632           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6633
6634           x = DX + editor.input.level_number.x;
6635           y = DY + editor.input.level_number.y;
6636         }
6637         else
6638         {
6639           graphic = IMG_EDITOR_COUNTER_INPUT;
6640         }
6641
6642         gd = &graphic_info[graphic];
6643
6644         gd_x1 = gd->src_x;
6645         gd_y1 = gd->src_y;
6646         gd_x2 = gd->src_x + gd->active_xoffset;
6647         gd_y2 = gd->src_y + gd->active_yoffset;
6648
6649         gi = CreateGadget(GDI_CUSTOM_ID, id,
6650                           GDI_CUSTOM_TYPE_ID, i,
6651                           GDI_IMAGE_ID, graphic,
6652                           GDI_INFO_TEXT, "enter counter value",
6653                           GDI_X, x,
6654                           GDI_Y, y,
6655                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6656                           GDI_NUMBER_VALUE, 0,
6657                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6658                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6659                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6660                           GDI_TEXT_FONT, font_type,
6661                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6662                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6663                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6664                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6665                           GDI_DESIGN_WIDTH, gd->width,
6666                           GDI_EVENT_MASK, event_mask,
6667                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6668                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6669                           GDI_END);
6670
6671         if (gi == NULL)
6672           Fail("cannot create gadget");
6673
6674         level_editor_gadget[id] = gi;
6675         right_gadget_border[id] =
6676           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6677
6678         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6679       }
6680     }
6681   }
6682 }
6683
6684 static void CreateDrawingAreas(void)
6685 {
6686   int i;
6687
6688   // these values are not constant, but can change at runtime
6689   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6690   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6691
6692   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6693   {
6694     struct GadgetInfo *gi;
6695     int id = drawingarea_info[i].gadget_id;
6696     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6697     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6698     int area_xsize = drawingarea_info[i].area_xsize;
6699     int area_ysize = drawingarea_info[i].area_ysize;
6700     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6701                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6702     unsigned int event_mask =
6703       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6704       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6705
6706     // determine horizontal position to the right of specified gadget
6707     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6708       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6709            ED_DRAWINGAREA_TEXT_DISTANCE);
6710
6711     // determine horizontal offset for leading text
6712     if (drawingarea_info[i].text_left != NULL)
6713       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6714
6715     gi = CreateGadget(GDI_CUSTOM_ID, id,
6716                       GDI_CUSTOM_TYPE_ID, i,
6717                       GDI_X, x,
6718                       GDI_Y, y,
6719                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6720                       GDI_AREA_SIZE, area_xsize, area_ysize,
6721                       GDI_ITEM_SIZE, item_size, item_size,
6722                       GDI_EVENT_MASK, event_mask,
6723                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6724                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6725                       GDI_END);
6726
6727     if (gi == NULL)
6728       Fail("cannot create gadget");
6729
6730     level_editor_gadget[id] = gi;
6731     right_gadget_border[id] =
6732       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6733   }
6734 }
6735
6736 static void CreateTextInputGadgets(void)
6737 {
6738   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6739   int max_infotext_len = getMaxInfoTextLength();
6740   int i;
6741
6742   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6743   {
6744     int gd_x1 = gd->src_x;
6745     int gd_y1 = gd->src_y;
6746     int gd_x2 = gd->src_x + gd->active_xoffset;
6747     int gd_y2 = gd->src_y + gd->active_yoffset;
6748     struct GadgetInfo *gi;
6749     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6750     char infotext[MAX_OUTPUT_LINESIZE + 1];
6751     int id = textinput_info[i].gadget_id;
6752     int x, y;
6753
6754     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6755     {
6756       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6757       int border_size = gd->border_size;
6758       int font_nr = FONT_INPUT_1;
6759       int font_height = getFontHeight(font_nr);
6760       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6761       int yoffset = element_border + (TILEY - font_height) / 2;
6762
6763       x = (editor.settings.element_name.x != -1 ?
6764            editor.settings.element_name.x :
6765            editor.settings.element_graphic.x + xoffset) - border_size;
6766       y = (editor.settings.element_name.y != -1 ?
6767            editor.settings.element_name.y :
6768            editor.settings.element_graphic.y + yoffset) - border_size;
6769     }
6770     else
6771     {
6772       x = ED_SETTINGS_X(textinput_info[i].x);
6773       y = ED_SETTINGS_Y(textinput_info[i].y);
6774     }
6775
6776     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6777     infotext[max_infotext_len] = '\0';
6778
6779     gi = CreateGadget(GDI_CUSTOM_ID, id,
6780                       GDI_CUSTOM_TYPE_ID, i,
6781                       GDI_INFO_TEXT, infotext,
6782                       GDI_X, SX + x,
6783                       GDI_Y, SY + y,
6784                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6785                       GDI_TEXT_VALUE, textinput_info[i].value,
6786                       GDI_TEXT_SIZE, textinput_info[i].size,
6787                       GDI_TEXT_FONT, FONT_INPUT_1,
6788                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6789                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6790                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6791                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6792                       GDI_DESIGN_WIDTH, gd->width,
6793                       GDI_EVENT_MASK, event_mask,
6794                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6795                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6796                       GDI_END);
6797
6798     if (gi == NULL)
6799       Fail("cannot create gadget");
6800
6801     level_editor_gadget[id] = gi;
6802   }
6803 }
6804
6805 static void CreateTextAreaGadgets(void)
6806 {
6807   int max_infotext_len = getMaxInfoTextLength();
6808   int i;
6809
6810   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6811   {
6812     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6813     int gd_x1 = gd->src_x;
6814     int gd_y1 = gd->src_y;
6815     int gd_x2 = gd->src_x + gd->active_xoffset;
6816     int gd_y2 = gd->src_y + gd->active_yoffset;
6817     struct GadgetInfo *gi;
6818     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
6819     char infotext[MAX_OUTPUT_LINESIZE + 1];
6820     int id = textarea_info[i].gadget_id;
6821     int area_xsize = textarea_info[i].xsize;
6822     int area_ysize = textarea_info[i].ysize;
6823
6824     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6825     infotext[max_infotext_len] = '\0';
6826
6827     gi = CreateGadget(GDI_CUSTOM_ID, id,
6828                       GDI_CUSTOM_TYPE_ID, i,
6829                       GDI_INFO_TEXT, infotext,
6830                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6831                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6832                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6833                       GDI_AREA_SIZE, area_xsize, area_ysize,
6834                       GDI_TEXT_FONT, FONT_INPUT_1,
6835                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6836                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6837                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6838                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6839                       GDI_DESIGN_WIDTH, gd->width,
6840                       GDI_EVENT_MASK, event_mask,
6841                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6842                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6843                       GDI_END);
6844
6845     if (gi == NULL)
6846       Fail("cannot create gadget");
6847
6848     level_editor_gadget[id] = gi;
6849   }
6850 }
6851
6852 static void CreateSelectboxGadgets(void)
6853 {
6854   int max_infotext_len = getMaxInfoTextLength();
6855   int i, j;
6856
6857   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6858   {
6859     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6860     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6861     int gd_x1 = gd->src_x;
6862     int gd_y1 = gd->src_y;
6863     int gd_x2 = gd->src_x + gd->active_xoffset;
6864     int gd_y2 = gd->src_y + gd->active_yoffset;
6865     int selectbox_button_xsize = gd2->width;
6866     struct GadgetInfo *gi;
6867     char infotext[MAX_OUTPUT_LINESIZE + 1];
6868     int id = selectbox_info[i].gadget_id;
6869     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6870     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6871     unsigned int event_mask =
6872       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6873
6874     if (selectbox_info[i].size == -1)   // dynamically determine size
6875     {
6876       // (we cannot use -1 for uninitialized values if we directly compare
6877       // with results from strlen(), because the '<' and '>' operation will
6878       // implicitely cast -1 to an unsigned integer value!)
6879       selectbox_info[i].size = 0;
6880
6881       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6882         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6883           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6884
6885       selectbox_info[i].size++;         // add one character empty space
6886     }
6887
6888     // determine horizontal position to the right of specified gadget
6889     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6890       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6891            ED_GADGET_TEXT_DISTANCE);
6892
6893     // determine horizontal offset for leading text
6894     if (selectbox_info[i].text_left != NULL)
6895       x += getTextWidthForGadget(selectbox_info[i].text_left);
6896
6897     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6898     infotext[max_infotext_len] = '\0';
6899
6900     gi = CreateGadget(GDI_CUSTOM_ID, id,
6901                       GDI_CUSTOM_TYPE_ID, i,
6902                       GDI_INFO_TEXT, infotext,
6903                       GDI_X, x,
6904                       GDI_Y, y,
6905                       GDI_TYPE, GD_TYPE_SELECTBOX,
6906                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6907                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6908                       GDI_TEXT_SIZE, selectbox_info[i].size,
6909                       GDI_TEXT_FONT, FONT_INPUT_1,
6910                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6911                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6912                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6913                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6914                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6915                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6916                       GDI_DESIGN_WIDTH, gd->width,
6917                       GDI_EVENT_MASK, event_mask,
6918                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6919                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6920                       GDI_END);
6921
6922     if (gi == NULL)
6923       Fail("cannot create gadget");
6924
6925     level_editor_gadget[id] = gi;
6926     right_gadget_border[id] =
6927       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6928   }
6929 }
6930
6931 static void CreateTextbuttonGadgets(void)
6932 {
6933   int max_infotext_len = getMaxInfoTextLength();
6934   int i;
6935
6936   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6937   {
6938     int id = textbutton_info[i].gadget_id;
6939     int is_tab_button =
6940       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6941        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6942     int graphic =
6943       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6944     int gadget_distance =
6945       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6946     struct GraphicInfo *gd = &graphic_info[graphic];
6947     int gd_x1 = gd->src_x;
6948     int gd_y1 = gd->src_y;
6949     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6950     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6951     int gd_x1a = gd->src_x + gd->active_xoffset;
6952     int gd_y1a = gd->src_y + gd->active_yoffset;
6953     int border_xsize = gd->border_size + gd->draw_xoffset;
6954     int border_ysize = gd->border_size;
6955     struct GadgetInfo *gi;
6956     unsigned int event_mask = GD_EVENT_RELEASED;
6957     char infotext[MAX_OUTPUT_LINESIZE + 1];
6958     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6959     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6960
6961     if (textbutton_info[i].size == -1)  // dynamically determine size
6962       textbutton_info[i].size = strlen(textbutton_info[i].text);
6963
6964     sprintf(infotext, "%s", textbutton_info[i].infotext);
6965     infotext[max_infotext_len] = '\0';
6966
6967     // determine horizontal position to the right of specified gadget
6968     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6969     {
6970       int gadget_id_align = textbutton_info[i].gadget_id_align;
6971
6972       x = right_gadget_border[gadget_id_align] + gadget_distance;
6973
6974       if (textbutton_info[i].y == -1)
6975         y = level_editor_gadget[gadget_id_align]->y;
6976     }
6977
6978     // determine horizontal offset for leading text
6979     if (textbutton_info[i].text_left != NULL)
6980       x += getTextWidthForGadget(textbutton_info[i].text_left);
6981
6982     gi = CreateGadget(GDI_CUSTOM_ID, id,
6983                       GDI_CUSTOM_TYPE_ID, i,
6984                       GDI_IMAGE_ID, graphic,
6985                       GDI_INFO_TEXT, infotext,
6986                       GDI_X, x,
6987                       GDI_Y, y,
6988                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6989                       GDI_TEXT_VALUE, textbutton_info[i].text,
6990                       GDI_TEXT_SIZE, textbutton_info[i].size,
6991                       GDI_TEXT_FONT, FONT_INPUT_2,
6992                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6993                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6994                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6995                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6996                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6997                       GDI_DESIGN_WIDTH, gd->width,
6998                       GDI_DECORATION_SHIFTING, 1, 1,
6999                       GDI_EVENT_MASK, event_mask,
7000                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7001                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7002                       GDI_END);
7003
7004     if (gi == NULL)
7005       Fail("cannot create gadget");
7006
7007     level_editor_gadget[id] = gi;
7008     right_gadget_border[id] =
7009       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7010   }
7011 }
7012
7013 static void CreateGraphicbuttonGadgets(void)
7014 {
7015   struct GadgetInfo *gi;
7016   int i;
7017
7018   // create buttons for scrolling of drawing area and element list
7019   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7020   {
7021     int id = graphicbutton_info[i].gadget_id;
7022     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7023     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7024     int graphic = graphicbutton_info[i].graphic;
7025     struct GraphicInfo *gd = &graphic_info[graphic];
7026     int gd_x1 = gd->src_x;
7027     int gd_y1 = gd->src_y;
7028     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7029     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7030     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7031
7032     // determine horizontal position to the right of specified gadget
7033     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7034       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7035            ED_GADGET_TEXT_DISTANCE);
7036
7037     // determine horizontal offset for leading text
7038     if (graphicbutton_info[i].text_left != NULL)
7039       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7040
7041     gi = CreateGadget(GDI_CUSTOM_ID, id,
7042                       GDI_CUSTOM_TYPE_ID, i,
7043                       GDI_IMAGE_ID, graphic,
7044                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7045                       GDI_X, x,
7046                       GDI_Y, y,
7047                       GDI_WIDTH, gd->width,
7048                       GDI_HEIGHT, gd->height,
7049                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7050                       GDI_STATE, GD_BUTTON_UNPRESSED,
7051                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7052                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7053                       GDI_EVENT_MASK, event_mask,
7054                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7055                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7056                       GDI_END);
7057
7058     if (gi == NULL)
7059       Fail("cannot create gadget");
7060
7061     level_editor_gadget[id] = gi;
7062     right_gadget_border[id] =
7063       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7064   }
7065 }
7066
7067 static void CreateScrollbarGadgets(void)
7068 {
7069   int i;
7070
7071   // these values are not constant, but can change at runtime
7072   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7073     SX + ED_SCROLL_HORIZONTAL_XPOS;
7074   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7075     SY + ED_SCROLL_HORIZONTAL_YPOS;
7076   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7077     ED_SCROLL_HORIZONTAL_XSIZE;
7078   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7079     ED_SCROLL_HORIZONTAL_YSIZE;
7080   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7081   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7082   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7083   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7084
7085   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7086     SX + ED_SCROLL_VERTICAL_XPOS;
7087   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7088     SY + ED_SCROLL_VERTICAL_YPOS;
7089   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7090     ED_SCROLL_VERTICAL_XSIZE;
7091   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7092     ED_SCROLL_VERTICAL_YSIZE;
7093   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7094   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7095   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7096   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7097
7098   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7099     PX + ED_SCROLL2_VERTICAL_XPOS;
7100   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7101     PY + ED_SCROLL2_VERTICAL_YPOS;
7102   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7103     ED_SCROLL2_VERTICAL_XSIZE;
7104   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7105     ED_SCROLL2_VERTICAL_YSIZE;
7106   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7107   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7108   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7109   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7110
7111   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7112   {
7113     int id = scrollbar_info[i].gadget_id;
7114     int graphic = scrollbar_info[i].graphic;
7115     struct GraphicInfo *gd = &graphic_info[graphic];
7116     int gd_x1 = gd->src_x;
7117     int gd_y1 = gd->src_y;
7118     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7119     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7120     struct GadgetInfo *gi;
7121     int items_max, items_visible, item_position;
7122     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7123
7124     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7125     {
7126       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7127       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7128       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7129     }
7130     else        // drawing area scrollbars
7131     {
7132       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7133       {
7134         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7135         items_visible = ed_fieldx;
7136         item_position = 0;
7137       }
7138       else
7139       {
7140         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7141         items_visible = ed_fieldy;
7142         item_position = 0;
7143       }
7144     }
7145
7146     gi = CreateGadget(GDI_CUSTOM_ID, id,
7147                       GDI_CUSTOM_TYPE_ID, i,
7148                       GDI_IMAGE_ID, graphic,
7149                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7150                       GDI_X, scrollbar_pos[i].x,
7151                       GDI_Y, scrollbar_pos[i].y,
7152                       GDI_WIDTH, scrollbar_pos[i].width,
7153                       GDI_HEIGHT, scrollbar_pos[i].height,
7154                       GDI_TYPE, scrollbar_info[i].type,
7155                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7156                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7157                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7158                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7159                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7160                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7161                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7162                       GDI_STATE, GD_BUTTON_UNPRESSED,
7163                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7164                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7165                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7166                       GDI_EVENT_MASK, event_mask,
7167                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7168                       GDI_CALLBACK_ACTION, HandleControlButtons,
7169                       GDI_END);
7170
7171     if (gi == NULL)
7172       Fail("cannot create gadget");
7173
7174     level_editor_gadget[id] = gi;
7175   }
7176 }
7177
7178 static void CreateCheckbuttonGadgets(void)
7179 {
7180   struct GadgetInfo *gi;
7181   int i;
7182
7183   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7184   {
7185     int id = checkbutton_info[i].gadget_id;
7186     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7187                    IMG_EDITOR_CHECKBOX);
7188     struct GraphicInfo *gd = &graphic_info[graphic];
7189     int gd_x1 = gd->src_x;
7190     int gd_y1 = gd->src_y;
7191     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7192     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7193     int gd_x1a = gd->src_x + gd->active_xoffset;
7194     int gd_y1a = gd->src_y + gd->active_yoffset;
7195     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7196     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7197     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7198     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7199     unsigned int event_mask = GD_EVENT_PRESSED;
7200
7201     // determine horizontal position to the right of specified gadget
7202     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7203       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7204            ED_GADGET_TEXT_DISTANCE);
7205
7206     // determine horizontal offset for leading text
7207     if (checkbutton_info[i].text_left != NULL)
7208       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7209
7210     gi = CreateGadget(GDI_CUSTOM_ID, id,
7211                       GDI_CUSTOM_TYPE_ID, i,
7212                       GDI_IMAGE_ID, graphic,
7213                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7214                       GDI_X, x,
7215                       GDI_Y, y,
7216                       GDI_WIDTH, gd->width,
7217                       GDI_HEIGHT, gd->height,
7218                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7219                       GDI_CHECKED, *checkbutton_info[i].value,
7220                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7221                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7222                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7223                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7224                       GDI_EVENT_MASK, event_mask,
7225                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7226                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7227                       GDI_END);
7228
7229     if (gi == NULL)
7230       Fail("cannot create gadget");
7231
7232     level_editor_gadget[id] = gi;
7233     right_gadget_border[id] =
7234       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7235   }
7236 }
7237
7238 static void CreateRadiobuttonGadgets(void)
7239 {
7240   int graphic = IMG_EDITOR_RADIOBUTTON;
7241   struct GraphicInfo *gd = &graphic_info[graphic];
7242   int gd_x1 = gd->src_x;
7243   int gd_y1 = gd->src_y;
7244   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7245   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7246   int gd_x1a = gd->src_x + gd->active_xoffset;
7247   int gd_y1a = gd->src_y + gd->active_yoffset;
7248   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7249   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7250   struct GadgetInfo *gi;
7251   int i;
7252
7253   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7254   {
7255     int id = radiobutton_info[i].gadget_id;
7256     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7257     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7258     unsigned int event_mask = GD_EVENT_PRESSED;
7259
7260     int checked =
7261       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7262
7263     // determine horizontal position to the right of specified gadget
7264     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7265       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7266            ED_GADGET_TEXT_DISTANCE);
7267
7268     // determine horizontal offset for leading text
7269     if (radiobutton_info[i].text_left != NULL)
7270       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7271
7272     gi = CreateGadget(GDI_CUSTOM_ID, id,
7273                       GDI_CUSTOM_TYPE_ID, i,
7274                       GDI_IMAGE_ID, graphic,
7275                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7276                       GDI_X, x,
7277                       GDI_Y, y,
7278                       GDI_WIDTH, gd->width,
7279                       GDI_HEIGHT, gd->height,
7280                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7281                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7282                       GDI_CHECKED, checked,
7283                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7284                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7285                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7286                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7287                       GDI_EVENT_MASK, event_mask,
7288                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7289                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7290                       GDI_END);
7291
7292     if (gi == NULL)
7293       Fail("cannot create gadget");
7294
7295     level_editor_gadget[id] = gi;
7296     right_gadget_border[id] =
7297       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7298   }
7299 }
7300
7301 void CreateLevelEditorGadgets(void)
7302 {
7303   // force EDITOR font inside level editor
7304   SetFontStatus(GAME_MODE_EDITOR);
7305
7306   // these values are not constant, but can change at runtime
7307   ed_fieldx = MAX_ED_FIELDX - 1;
7308   ed_fieldy = MAX_ED_FIELDY - 1;
7309
7310   num_editor_gadgets = NUM_EDITOR_GADGETS;
7311
7312   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7313
7314   level_editor_gadget =
7315     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7316   right_gadget_border =
7317     checked_calloc(num_editor_gadgets * sizeof(int));
7318
7319   // set number of empty (padding) element buttons to maximum number of buttons
7320   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7321
7322   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7323   editor_el_empty_ptr = editor_el_empty;
7324
7325   use_permanent_palette = !editor.palette.show_as_separate_screen;
7326
7327   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
7328
7329   ReinitializeElementList();
7330
7331   CreateControlButtons();
7332   CreateScrollbarGadgets();
7333
7334   // order of function calls is important because of cross-references
7335   CreateCheckbuttonGadgets();
7336   CreateCounterButtons();
7337   CreateRadiobuttonGadgets();
7338   CreateTextInputGadgets();
7339   CreateTextAreaGadgets();
7340   CreateSelectboxGadgets();
7341   CreateGraphicbuttonGadgets();
7342   CreateTextbuttonGadgets();
7343   CreateDrawingAreas();
7344
7345   ResetFontStatus();
7346 }
7347
7348 void FreeLevelEditorGadgets(void)
7349 {
7350   int i;
7351
7352   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7353
7354   for (i = 0; i < num_editor_gadgets; i++)
7355   {
7356     FreeGadget(level_editor_gadget[i]);
7357
7358     level_editor_gadget[i] = NULL;
7359   }
7360
7361   checked_free(level_editor_gadget);
7362   checked_free(right_gadget_border);
7363
7364   checked_free(editor_el_empty);
7365 }
7366
7367 static void MapCounterButtons(int id)
7368 {
7369   int font_nr = FONT_TEXT_1;
7370   int font_height = getFontHeight(font_nr);
7371   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7372   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7373   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7374   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7375   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7376   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7377   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7378   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7379   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7380   int yoffset = (gi_down->height - font_height) / 2;
7381   int x_left = gi_down->x - xoffset_left;
7382   int x_right;  // set after gadget position was modified
7383   int y_above = gi_down->y - yoffset_above;
7384   int x = gi_down->x;
7385   int y;        // set after gadget position was modified
7386
7387   // counter limits must be changed first to prevent value truncation
7388   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7389                             counterbutton_info[id].max_value);
7390
7391   // right text position might have changed after setting position above
7392   x_right = gi_up->x + gi_up->width + xoffset_right;
7393
7394   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7395
7396   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7397   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7398       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7399   {
7400     ModifyGadget(gi_down, GDI_Y,
7401                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7402     ModifyGadget(gi_text, GDI_Y,
7403                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7404     ModifyGadget(gi_up,   GDI_Y,
7405                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7406   }
7407
7408   // vertical position might have changed after setting position above
7409   y = gi_up->y + yoffset;
7410
7411   if (counterbutton_info[id].text_above)
7412     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7413
7414   if (counterbutton_info[id].text_left)
7415     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7416
7417   if (counterbutton_info[id].text_right)
7418     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7419
7420   MapGadget(gi_down);
7421   MapGadget(gi_text);
7422   MapGadget(gi_up);
7423 }
7424
7425 static void MapControlButtons(void)
7426 {
7427   int counter_id;
7428   int i;
7429
7430   // map toolbox buttons (excluding special CE toolbox buttons)
7431   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7432     MapGadget(level_editor_gadget[i]);
7433
7434   // map toolbox buttons (element properties buttons)
7435   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7436     MapGadget(level_editor_gadget[i]);
7437
7438   if (use_permanent_palette)
7439   {
7440     // map buttons to select elements
7441     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7442       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7443     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7444     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7445     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7446   }
7447
7448   // map buttons to select level
7449   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7450   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7451   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7452   MapCounterButtons(counter_id);
7453 }
7454
7455 static void MapDrawingArea(int id)
7456 {
7457   int font_nr = FONT_TEXT_1;
7458   int font_height = getFontHeight(font_nr);
7459   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7460   int area_xsize = gi->drawing.area_xsize;
7461   int area_ysize = gi->drawing.area_ysize;
7462   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7463   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7464   int x_left  = gi->x - xoffset_left;
7465   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7466   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7467   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7468   int y_side  = gi->y + (gi->height - font_height) / 2;
7469   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7470   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7471
7472   if (drawingarea_info[id].text_left)
7473     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7474
7475   if (drawingarea_info[id].text_right)
7476     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7477
7478   if (drawingarea_info[id].text_above)
7479     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7480
7481   if (drawingarea_info[id].text_below)
7482     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7483
7484   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7485   {
7486     DrawElementBorder(gi->x, gi->y,
7487                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7488                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7489
7490     DrawDrawingArea(id);
7491   }
7492
7493   MapGadget(gi);
7494 }
7495
7496 static void MapTextInputGadget(int id)
7497 {
7498   int font_nr = FONT_TEXT_1;
7499   int font_height = getFontHeight(font_nr);
7500   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7501   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7502   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7503   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7504
7505   if (textinput_info[id].text_above)
7506     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7507
7508   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7509
7510   MapGadget(gi);
7511 }
7512
7513 static void MapTextAreaGadget(int id)
7514 {
7515   int font_nr = FONT_TEXT_1;
7516   int font_height = getFontHeight(font_nr);
7517   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7518   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7519   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7520   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7521   char *text_above = textarea_info[id].text_above;
7522
7523   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
7524     text_above = textarea_info[id].text_above_cropped;
7525
7526   if (text_above)
7527     DrawTextS(x_above, y_above, font_nr, text_above);
7528
7529   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7530
7531   MapGadget(gi);
7532 }
7533
7534 static void MapSelectboxGadget(int id)
7535 {
7536   int font_nr = FONT_TEXT_1;
7537   int font_height = getFontHeight(font_nr);
7538   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7539   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7540   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7541   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7542   int yoffset = (gi->height - font_height) / 2;
7543   int x_left = gi->x - xoffset_left;
7544   int x_right = gi->x + gi->width + xoffset_right;
7545   int y_above = gi->y - yoffset_above;
7546   int x = gi->x;
7547   int y = gi->y + yoffset;
7548
7549   if (selectbox_info[id].text_above)
7550     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7551
7552   if (selectbox_info[id].text_left)
7553     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7554
7555   if (selectbox_info[id].text_right)
7556     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7557
7558   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7559
7560   MapGadget(gi);
7561 }
7562
7563 static void MapTextbuttonGadget(int id)
7564 {
7565   int font_nr = FONT_TEXT_1;
7566   int font_height = getFontHeight(font_nr);
7567   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7568   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7569   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7570   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7571   int yoffset = (gi->height - font_height) / 2;
7572   int x_left = gi->x - xoffset_left;
7573   int x_right = gi->x + gi->width + xoffset_right;
7574   int y_above = gi->y - yoffset_above;
7575   int x = gi->x;
7576   int y = gi->y + yoffset;
7577
7578   // only show button to delete change pages when more than minimum pages
7579   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7580       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7581     return;
7582
7583   if (textbutton_info[id].text_above)
7584     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7585
7586   if (textbutton_info[id].text_left)
7587     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7588
7589   if (textbutton_info[id].text_right)
7590     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7591
7592   MapGadget(gi);
7593 }
7594
7595 static void MapGraphicbuttonGadget(int id)
7596 {
7597   int font_nr = FONT_TEXT_1;
7598   int font_height = getFontHeight(font_nr);
7599   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7600   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7601   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7602   int yoffset = (gi->height - font_height) / 2;
7603   int x_left = gi->x - xoffset_left;
7604   int x_right = gi->x + gi->width + xoffset_right;
7605   int y = gi->y + yoffset;
7606
7607   if (graphicbutton_info[id].text_left)
7608     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7609
7610   if (graphicbutton_info[id].text_right)
7611     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7612
7613   MapGadget(gi);
7614 }
7615
7616 static void MapRadiobuttonGadget(int id)
7617 {
7618   int font_nr = FONT_TEXT_1;
7619   int font_height = getFontHeight(font_nr);
7620   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7621   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7622   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7623   int yoffset = (gi->height - font_height) / 2;
7624   int x_left = gi->x - xoffset_left;
7625   int x_right = gi->x + gi->width + xoffset_right;
7626   int y = gi->y + yoffset;
7627   boolean checked =
7628     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7629
7630   if (radiobutton_info[id].text_left)
7631     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7632
7633   if (radiobutton_info[id].text_right)
7634     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7635
7636   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7637
7638   MapGadget(gi);
7639 }
7640
7641 static void MapCheckbuttonGadget(int id)
7642 {
7643   int font_nr = FONT_TEXT_1;
7644   int font_height = getFontHeight(font_nr);
7645   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7646   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7647   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7648   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7649   int yoffset = (gi->height - font_height) / 2;
7650   int y_above = gi->y - yoffset_above;
7651   int x = gi->x;
7652   int x_left, x_right, y;       // set after gadget position was modified
7653
7654   // set position for gadgets with dynamically determined position
7655   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7656     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7657   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7658
7659   x_left = gi->x - xoffset_left;
7660   x_right = gi->x + gi->width + xoffset_right;
7661   y = gi->y + yoffset;
7662
7663   if (checkbutton_info[id].text_above)
7664     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7665
7666   if (checkbutton_info[id].text_left)
7667     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7668
7669   if (checkbutton_info[id].text_right)
7670     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7671
7672   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7673
7674   MapGadget(gi);
7675 }
7676
7677 static void MapMainDrawingArea(void)
7678 {
7679   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7680   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7681   int i;
7682
7683   if (suppressBorderElement())
7684   {
7685     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7686     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7687   }
7688
7689   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7690   {
7691     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7692           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7693          no_horizontal_scrollbar) ||
7694         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7695           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7696          no_vertical_scrollbar))
7697       continue;
7698
7699     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7700   }
7701
7702   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7703   {
7704     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7705         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7706       continue;
7707
7708     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7709   }
7710
7711   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7712 }
7713
7714 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7715 {
7716   int i;
7717
7718   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7719   {
7720     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7721         i == GADGET_ID_CUSTOM_COPY_TO ||
7722         i == GADGET_ID_CUSTOM_EXCHANGE ||
7723         i == GADGET_ID_CUSTOM_COPY ||
7724         i == GADGET_ID_CUSTOM_PASTE)
7725     {
7726       if (map)
7727         MapGadget(level_editor_gadget[i]);
7728       else
7729         UnmapGadget(level_editor_gadget[i]);
7730     }
7731   }
7732 }
7733
7734 static void MapLevelEditorToolboxCustomGadgets(void)
7735 {
7736   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7737 }
7738
7739 static void UnmapLevelEditorToolboxCustomGadgets(void)
7740 {
7741   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7742 }
7743
7744 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7745 {
7746   int i;
7747
7748   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7749   {
7750     if (i != GADGET_ID_SINGLE_ITEMS &&
7751         i != GADGET_ID_PICK_ELEMENT)
7752     {
7753       struct GadgetInfo *gi = level_editor_gadget[i];
7754
7755       if (map)
7756       {
7757         MapGadget(gi);
7758       }
7759       else
7760       {
7761         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7762         struct GraphicInfo *gd = &graphic_info[graphic];
7763
7764         UnmapGadget(gi);
7765
7766         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7767                    gi->width, gi->height, gi->x, gi->y);
7768
7769         redraw_mask |= REDRAW_DOOR_3;
7770       }
7771     }
7772   }
7773 }
7774
7775 static void MapLevelEditorToolboxDrawingGadgets(void)
7776 {
7777   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7778 }
7779
7780 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7781 {
7782   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7783 }
7784
7785 static void UnmapDrawingArea(int id)
7786 {
7787   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7788 }
7789
7790 static void UnmapLevelEditorFieldGadgets(void)
7791 {
7792   int i;
7793
7794   for (i = 0; i < num_editor_gadgets; i++)
7795     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7796                           level_editor_gadget[i]->y))
7797       UnmapGadget(level_editor_gadget[i]);
7798 }
7799
7800 void UnmapLevelEditorGadgets(void)
7801 {
7802   int i;
7803
7804   for (i = 0; i < num_editor_gadgets; i++)
7805     UnmapGadget(level_editor_gadget[i]);
7806 }
7807
7808 static void ResetUndoBuffer(void)
7809 {
7810   undo_buffer_position = -1;
7811   undo_buffer_steps = -1;
7812   redo_buffer_steps = 0;
7813
7814   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7815
7816   level.changed = FALSE;
7817 }
7818
7819 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7820 {
7821   if (remap_toolbox_gadgets)
7822   {
7823     ModifyEditorElementList();
7824     RedrawDrawingElements();
7825   }
7826
7827   if (edit_mode == ED_MODE_INFO)
7828     DrawLevelInfoWindow();
7829   else if (edit_mode == ED_MODE_PROPERTIES)
7830     DrawPropertiesWindow();
7831   else if (edit_mode == ED_MODE_PALETTE)
7832     DrawPaletteWindow();
7833   else  // edit_mode == ED_MODE_DRAWING
7834     DrawDrawingWindowExt(remap_toolbox_gadgets);
7835 }
7836
7837 static void DrawEditModeWindow(void)
7838 {
7839   DrawEditModeWindowExt(TRUE);
7840 }
7841
7842 static void DrawEditModeWindow_PlayfieldOnly(void)
7843 {
7844   DrawEditModeWindowExt(FALSE);
7845 }
7846
7847 static void ChangeEditModeWindow(int new_edit_mode)
7848 {
7849   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7850
7851   DrawEditModeWindow();
7852 }
7853
7854 static boolean LevelChanged(void)
7855 {
7856   boolean field_changed = FALSE;
7857   int x, y;
7858
7859   for (y = 0; y < lev_fieldy; y++)
7860     for (x = 0; x < lev_fieldx; x++)
7861       if (Tile[x][y] != level.field[x][y])
7862         field_changed = TRUE;
7863
7864   return (level.changed || field_changed);
7865 }
7866
7867 static boolean PrepareSavingIntoPersonalLevelSet(void)
7868 {
7869   static LevelDirTree *last_copied_leveldir = NULL;
7870   static LevelDirTree *last_written_leveldir = NULL;
7871   static int last_copied_level_nr = -1;
7872   static int last_written_level_nr = -1;
7873   LevelDirTree *leveldir_former = leveldir_current;
7874   int level_nr_former = level_nr;
7875   int new_level_nr;
7876
7877   // remember last mod/save so that for current session, we write
7878   // back to the same personal copy, asking only about overwrite.
7879   if (leveldir_current == last_copied_leveldir &&
7880       level_nr == last_copied_level_nr)
7881   {
7882     // "cd" to personal level set dir (as used when writing last copy)
7883     leveldir_current = last_written_leveldir;
7884     level_nr = last_written_level_nr;
7885
7886     return TRUE;
7887   }
7888
7889   if (!Request("This level is read-only! "
7890                "Save into personal level set?", REQ_ASK))
7891     return FALSE;
7892
7893   // "cd" to personal level set dir (for writing copy the first time)
7894   leveldir_current =
7895     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7896
7897   // this may happen if "setup.internal.create_user_levelset" is FALSE
7898   // or if file "levelinfo.conf" is missing in personal user level set
7899   if (leveldir_current == NULL)
7900   {
7901     Request("Cannot find personal level set?!", REQ_CONFIRM);
7902
7903     leveldir_current = leveldir_former;
7904
7905     return FALSE;
7906   }
7907
7908   // find unused level number
7909   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7910   {
7911     static char *level_filename = NULL;
7912
7913     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7914
7915     if (!fileExists(level_filename))
7916       break;
7917   }
7918
7919   last_copied_leveldir = leveldir_former;
7920   last_copied_level_nr = level_nr_former;
7921
7922   last_written_leveldir = leveldir_current;
7923   last_written_level_nr = level_nr = new_level_nr;
7924
7925   return TRUE;
7926 }
7927
7928 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7929 {
7930   static char *filename_levelinfo = NULL, *mod_name = NULL;
7931   FILE *file;
7932
7933   // annotate this copy-and-mod in personal levelinfo.conf
7934   setString(&filename_levelinfo,
7935             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7936
7937   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7938   {
7939     fprintf(file, "\n");
7940     fprintf(file, "# level %d was modified from:\n", level_nr);
7941     fprintf(file, "# - previous level set name:    %s\n",
7942             former_name);
7943     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7944             level.file_info.nr, level.name);
7945     fprintf(file, "# - previous author:            %s\n",
7946             level.author);
7947     fprintf(file, "# - previous save date:         ");
7948
7949     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7950     {
7951       fprintf(file, "%04d-%02d-%02d\n",
7952               level.creation_date.year,
7953               level.creation_date.month,
7954               level.creation_date.day);
7955     }
7956     else
7957     {
7958       fprintf(file, "not recorded\n");
7959     }
7960
7961     fclose(file);
7962   }
7963
7964   if (level_nr > leveldir_current->last_level)
7965     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7966
7967   // else: allow the save even if annotation failed
7968
7969   // now... spray graffiti on the old level vital statistics
7970   // user can change these; just trying to set a good baseline
7971
7972   // don't truncate names for fear of making offensive or silly:
7973   // long-named original author only recorded in levelinfo.conf.
7974   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7975   if (!strEqual(level.author, leveldir_current->author))
7976   {
7977     setString(&mod_name, getStringCat3(leveldir_current->author,
7978                                        " after ", level.author));
7979
7980     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7981       setString(&mod_name,
7982                 getStringCat2(leveldir_current->author, " (ed.)"));
7983
7984     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7985       setString(&mod_name, leveldir_current->author);
7986
7987     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7988
7989     // less worried about truncation here
7990     setString(&mod_name, getStringCat2("Mod: ", level.name));
7991     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7992   }
7993 }
7994
7995 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7996                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7997 {
7998   int x, y;
7999
8000   for (x = 0; x < lev_fieldx; x++)
8001     for (y = 0; y < lev_fieldy; y++)
8002       dst[x][y] = src[x][y];
8003 }
8004
8005 static int setSelectboxValue(int selectbox_id, int new_value)
8006 {
8007   int new_index_value = 0;
8008   int i;
8009
8010   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8011     if (selectbox_info[selectbox_id].options[i].value == new_value)
8012       new_index_value = i;
8013
8014   *selectbox_info[selectbox_id].value =
8015     selectbox_info[selectbox_id].options[new_index_value].value;
8016
8017   return new_index_value;
8018 }
8019
8020 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8021 {
8022   int i;
8023
8024   // change action mode and arg variables according to action type variable
8025   for (i = 0; action_arg_options[i].value != -1; i++)
8026   {
8027     if (action_arg_options[i].value == custom_element_change.action_type)
8028     {
8029       int mode = action_arg_options[i].mode;
8030
8031       // only change if corresponding selectbox has changed
8032       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8033           action_arg_modes[mode])
8034         custom_element_change.action_mode = -1;
8035
8036       // only change if corresponding selectbox has changed
8037       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8038           action_arg_options[i].options)
8039         custom_element_change.action_arg = -1;
8040
8041       break;
8042     }
8043   }
8044 }
8045
8046 static void setSelectboxSpecialActionOptions(void)
8047 {
8048   int i;
8049
8050   // change action mode and arg selectbox according to action type selectbox
8051   for (i = 0; action_arg_options[i].value != -1; i++)
8052   {
8053     if (action_arg_options[i].value == custom_element_change.action_type)
8054     {
8055       int mode = action_arg_options[i].mode;
8056
8057       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8058                                    action_arg_modes[mode]);
8059       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8060                                  custom_element_change.action_mode);
8061
8062       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8063                                    action_arg_options[i].options);
8064       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8065                                  custom_element_change.action_arg);
8066       break;
8067     }
8068   }
8069 }
8070
8071 static void copy_custom_element_settings(int element_from, int element_to)
8072 {
8073   struct ElementInfo *ei_from = &element_info[element_from];
8074   struct ElementInfo *ei_to = &element_info[element_to];
8075
8076   copyElementInfo(ei_from, ei_to);
8077 }
8078
8079 static void replace_custom_element_in_settings(int element_from,
8080                                                int element_to)
8081 {
8082   int i, j, x, y;
8083
8084   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8085   {
8086     struct ElementInfo *ei = &element_info[i];
8087
8088     for (y = 0; y < 3; y++)
8089       for (x = 0; x < 3; x++)
8090         if (ei->content.e[x][y] == element_from)
8091           ei->content.e[x][y] = element_to;
8092
8093     for (j = 0; j < ei->num_change_pages; j++)
8094     {
8095       struct ElementChangeInfo *change = &ei->change_page[j];
8096
8097       if (change->target_element == element_from)
8098         change->target_element = element_to;
8099
8100       if (change->initial_trigger_element == element_from)
8101         change->initial_trigger_element = element_to;
8102
8103       if (change->action_element == element_from)
8104         change->action_element = element_to;
8105
8106       for (y = 0; y < 3; y++)
8107         for (x = 0; x < 3; x++)
8108           if (change->target_content.e[x][y] == element_from)
8109             change->target_content.e[x][y] = element_to;
8110     }
8111
8112     if (ei->group != NULL)                              // group or internal
8113       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8114         if (ei->group->element[j] == element_from)
8115           ei->group->element[j] = element_to;
8116   }
8117 }
8118
8119 static void replace_custom_element_in_playfield(int element_from,
8120                                                 int element_to)
8121 {
8122   int x, y;
8123
8124   for (x = 0; x < lev_fieldx; x++)
8125     for (y = 0; y < lev_fieldy; y++)
8126       if (Tile[x][y] == element_from)
8127         Tile[x][y] = element_to;
8128 }
8129
8130 static boolean CopyCustomElement(int element_old, int element_new,
8131                                  int copy_mode)
8132 {
8133   int copy_mode_orig = copy_mode;
8134
8135   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8136   {
8137     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8138                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8139     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8140   }
8141   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8142   {
8143     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8144                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8145     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8146
8147     level.changed = TRUE;
8148   }
8149   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8150   {
8151     Request("Please choose custom element!", REQ_CONFIRM);
8152
8153     return FALSE;
8154   }
8155   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8156   {
8157     Request("Please choose group element!", REQ_CONFIRM);
8158
8159     return FALSE;
8160   }
8161   else
8162   {
8163     level.changed = TRUE;
8164   }
8165
8166   // when modifying custom/group element, ask for copying level template
8167   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8168   {
8169     if (!AskToCopyAndModifyLevelTemplate())
8170       return FALSE;
8171   }
8172
8173   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8174   {
8175     copy_custom_element_settings(element_new, element_old);
8176   }
8177   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8178   {
8179     copy_custom_element_settings(element_old, element_new);
8180   }
8181   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8182   {
8183     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8184     copy_custom_element_settings(element_new, element_old);
8185     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8186
8187     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8188     replace_custom_element_in_settings(element_new, element_old);
8189     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8190
8191     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8192     replace_custom_element_in_playfield(element_new, element_old);
8193     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8194   }
8195
8196   UpdateCustomElementGraphicGadgets();
8197   DrawPropertiesWindow();
8198
8199   return TRUE;
8200 }
8201
8202 static void CopyCustomElementPropertiesToEditor(int element)
8203 {
8204   int i;
8205   int current_change_page = element_info[element].current_change_page;
8206
8207   // dynamically (re)build selectbox for selecting change page
8208   for (i = 0; i < element_info[element].num_change_pages; i++)
8209   {
8210     sprintf(options_change_page_strings[i], "%d", i + 1);
8211
8212     options_change_page[i].value = i;
8213     options_change_page[i].text = options_change_page_strings[i];
8214   }
8215
8216   options_change_page[i].value = -1;
8217   options_change_page[i].text = NULL;
8218
8219   // needed here to initialize combined element properties
8220   InitElementPropertiesEngine(level.game_version);
8221
8222   element_info[element].change =
8223     &element_info[element].change_page[current_change_page];
8224
8225   custom_element = element_info[element];
8226   custom_element_change = *element_info[element].change;
8227
8228   // needed to initially set selectbox options for special action options
8229   setSelectboxSpecialActionOptions();
8230
8231   // needed to initially set selectbox value variables to reliable defaults
8232   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8233     setSelectboxValue(i, *selectbox_info[i].value);
8234
8235   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8236     custom_element_properties[i] = HAS_PROPERTY(element, i);
8237
8238   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8239     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8240
8241   // ---------- element settings: configure (custom elements) -----------------
8242
8243   // set accessible layer selectbox help value
8244   custom_element.access_type =
8245     (IS_WALKABLE(element) ? EP_WALKABLE :
8246      IS_PASSABLE(element) ? EP_PASSABLE :
8247      custom_element.access_type);
8248   custom_element.access_layer =
8249     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8250      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8251      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8252      custom_element.access_layer);
8253   custom_element.access_protected =
8254     (IS_PROTECTED(element) ? 1 : 0);
8255   custom_element_properties[EP_ACCESSIBLE] =
8256     (IS_ACCESSIBLE_OVER(element) ||
8257      IS_ACCESSIBLE_INSIDE(element) ||
8258      IS_ACCESSIBLE_UNDER(element));
8259
8260   // set walk-to-object action selectbox help value
8261   custom_element.walk_to_action =
8262     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8263      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8264      IS_DROPPABLE(element) ? EP_DROPPABLE :
8265      IS_THROWABLE(element) ? EP_THROWABLE :
8266      IS_PUSHABLE(element) ? EP_PUSHABLE :
8267      custom_element.walk_to_action);
8268   custom_element_properties[EP_WALK_TO_OBJECT] =
8269     (IS_DIGGABLE(element) ||
8270      IS_COLLECTIBLE_ONLY(element) ||
8271      IS_DROPPABLE(element) ||
8272      IS_THROWABLE(element) ||
8273      IS_PUSHABLE(element));
8274
8275   // set smash targets selectbox help value
8276   custom_element.smash_targets =
8277     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8278      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8279      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8280      custom_element.smash_targets);
8281   custom_element_properties[EP_CAN_SMASH] =
8282     (CAN_SMASH_EVERYTHING(element) ||
8283      CAN_SMASH_ENEMIES(element) ||
8284      CAN_SMASH_PLAYER(element));
8285
8286   // set deadliness selectbox help value
8287   custom_element.deadliness =
8288     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8289      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8290      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8291      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8292      custom_element.deadliness);
8293   custom_element_properties[EP_DEADLY] =
8294     (DONT_TOUCH(element) ||
8295      DONT_GET_HIT_BY(element) ||
8296      DONT_COLLIDE_WITH(element) ||
8297      DONT_RUN_INTO(element));
8298
8299   // ---------- element settings: advanced (custom elements) ------------------
8300
8301   // set "change by direct action" selectbox help value
8302   custom_element_change.direct_action =
8303     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8304      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8305      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8306      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8307      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8308      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8309      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8310      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8311      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8312      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8313      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8314      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8315      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8316      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8317      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8318      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8319      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8320      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8321      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8322      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8323      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8324      custom_element_change.direct_action);
8325
8326   // set "change by other element action" selectbox help value
8327   custom_element_change.other_action =
8328     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8329      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8330      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8331      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8332      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8333      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8334      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8335      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8336      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8337      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8338      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8339      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8340      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8341      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8342      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8343      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8344      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8345      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8346      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8347      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8348      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8349      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8350      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8351      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8352      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8353      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8354      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8355      custom_element_change.other_action);
8356 }
8357
8358 static void CopyGroupElementPropertiesToEditor(int element)
8359 {
8360   group_element_info = *element_info[element].group;
8361   custom_element = element_info[element];       // needed for description
8362 }
8363
8364 static void CopyEmptyElementPropertiesToEditor(int element)
8365 {
8366   custom_element = element_info[element];
8367 }
8368
8369 static void CopyClassicElementPropertiesToEditor(int element)
8370 {
8371   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8372     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8373       getMoveIntoAcidProperty(&level, element);
8374
8375   if (MAYBE_DONT_COLLIDE_WITH(element))
8376     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8377       getDontCollideWithProperty(&level, element);
8378 }
8379
8380 static void CopyElementPropertiesToEditor(int element)
8381 {
8382   if (IS_CUSTOM_ELEMENT(element))
8383     CopyCustomElementPropertiesToEditor(element);
8384   else if (IS_GROUP_ELEMENT(element))
8385     CopyGroupElementPropertiesToEditor(element);
8386   else if (IS_EMPTY_ELEMENT(element))
8387     CopyEmptyElementPropertiesToEditor(element);
8388   else
8389     CopyClassicElementPropertiesToEditor(element);
8390 }
8391
8392 static boolean AskToCopyAndModifyLevelTemplate(void)
8393 {
8394   if (Request("Copy and modify settings from level template?", REQ_ASK))
8395   {
8396     level.use_custom_template = FALSE;
8397
8398     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8399                  GDI_CHECKED, FALSE, GDI_END);
8400     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8401                  GDI_CHECKED, FALSE, GDI_END);
8402
8403     return TRUE;
8404   }
8405   else
8406   {
8407     LoadLevelTemplate(-1);      // this resets all element modifications ...
8408
8409     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8410
8411     return FALSE;
8412   }
8413 }
8414
8415 static void CopyCustomElementPropertiesToGame(int element)
8416 {
8417   int i;
8418   int access_type_and_layer;
8419
8420   // mark that this custom 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].change = custom_element_change;
8429
8430   // ---------- element settings: configure (custom elements) -----------------
8431
8432   // set accessible property from checkbox and selectbox
8433   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8434   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8435   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8436   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8437   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8438   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8439   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8440                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8441                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8442   custom_element_properties[access_type_and_layer] =
8443     custom_element_properties[EP_ACCESSIBLE];
8444   custom_element_properties[EP_PROTECTED] =
8445     (custom_element.access_protected != 0 &&
8446      custom_element_properties[EP_ACCESSIBLE]);
8447
8448   // set walk-to-object property from checkbox and selectbox
8449   custom_element_properties[EP_DIGGABLE] = FALSE;
8450   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8451   custom_element_properties[EP_DROPPABLE] = FALSE;
8452   custom_element_properties[EP_THROWABLE] = FALSE;
8453   custom_element_properties[EP_PUSHABLE] = FALSE;
8454   custom_element_properties[custom_element.walk_to_action] =
8455     custom_element_properties[EP_WALK_TO_OBJECT];
8456
8457   // set smash property from checkbox and selectbox
8458   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8459   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8460   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8461   custom_element_properties[custom_element.smash_targets] =
8462     custom_element_properties[EP_CAN_SMASH];
8463
8464   // set deadliness property from checkbox and selectbox
8465   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8466   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8467   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8468   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8469   custom_element_properties[custom_element.deadliness] =
8470     custom_element_properties[EP_DEADLY];
8471
8472   // ---------- element settings: advanced (custom elements) ------------------
8473
8474   // set player change event from checkbox and selectbox
8475   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8476   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8477   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8478   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8479   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8480   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8481   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8482   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8483   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8484   custom_element_change_events[CE_SWITCHED] = FALSE;
8485   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8486   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8487   custom_element_change_events[CE_BLOCKED] = FALSE;
8488   custom_element_change_events[CE_IMPACT] = FALSE;
8489   custom_element_change_events[CE_SMASHED] = FALSE;
8490   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8491   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8492   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8493   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8494   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8495   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8496   custom_element_change_events[custom_element_change.direct_action] =
8497     custom_element_change_events[CE_BY_DIRECT_ACTION];
8498
8499   // set other element action change event from checkbox and selectbox
8500   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8501   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8502   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8503   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8504   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8505   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8506   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8507   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8508   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8509   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8510   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8511   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8512   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8513   custom_element_change_events[CE_HITTING_X] = FALSE;
8514   custom_element_change_events[CE_DIGGING_X] = FALSE;
8515   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8516   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8517   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8518   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8519   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8520   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8521   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8522   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8523   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8524   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8525   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8526   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8527   custom_element_change_events[custom_element_change.other_action] =
8528     custom_element_change_events[CE_BY_OTHER_ACTION];
8529
8530   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8531     SET_PROPERTY(element, i, custom_element_properties[i]);
8532
8533   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8534     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8535
8536   // copy change events also to special level editor variable
8537   custom_element = element_info[element];
8538   custom_element_change = *element_info[element].change;
8539
8540   // needed here to restore runtime value "element_info[element].gfx_element"
8541   InitElementPropertiesGfxElement();
8542 }
8543
8544 static void CopyGroupElementPropertiesToGame(int element)
8545 {
8546   // mark that this group element has been modified
8547   custom_element.modified_settings = TRUE;
8548   level.changed = TRUE;
8549
8550   if (level.use_custom_template)
8551     AskToCopyAndModifyLevelTemplate();
8552
8553   element_info[element] = custom_element;
8554   *element_info[element].group = group_element_info;
8555
8556   // needed here to restore runtime value "element_info[element].gfx_element"
8557   InitElementPropertiesGfxElement();
8558 }
8559
8560 static void CopyEmptyElementPropertiesToGame(int element)
8561 {
8562   // mark that this empty element has been modified
8563   custom_element.modified_settings = TRUE;
8564   level.changed = TRUE;
8565
8566   if (level.use_custom_template)
8567     AskToCopyAndModifyLevelTemplate();
8568
8569   element_info[element] = custom_element;
8570
8571   // needed here to restore runtime value "element_info[element].gfx_element"
8572   InitElementPropertiesGfxElement();
8573 }
8574
8575 static void CopyClassicElementPropertiesToGame(int element)
8576 {
8577   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8578     setMoveIntoAcidProperty(&level, element,
8579                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8580
8581   if (MAYBE_DONT_COLLIDE_WITH(element))
8582     setDontCollideWithProperty(&level, element,
8583                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8584 }
8585
8586 static void CopyElementPropertiesToGame(int element)
8587 {
8588   if (IS_CUSTOM_ELEMENT(element))
8589     CopyCustomElementPropertiesToGame(element);
8590   else if (IS_GROUP_ELEMENT(element))
8591     CopyGroupElementPropertiesToGame(element);
8592   else if (IS_EMPTY_ELEMENT(element))
8593     CopyEmptyElementPropertiesToGame(element);
8594   else
8595     CopyClassicElementPropertiesToGame(element);
8596 }
8597
8598 #if DEBUG
8599 static void CheckElementDescriptions(void)
8600 {
8601   int i;
8602
8603   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8604     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8605       Warn("no element description file for element '%s'", EL_NAME(i));
8606 }
8607 #endif
8608
8609 static int getMaxEdFieldX(boolean has_scrollbar)
8610 {
8611   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8612   int sxsize = SXSIZE - scrollbar_width;
8613   int max_ed_fieldx = sxsize / ed_tilesize;
8614
8615   return max_ed_fieldx;
8616 }
8617
8618 static int getMaxEdFieldY(boolean has_scrollbar)
8619 {
8620   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8621                          INFOTEXT_YSIZE_FULL : 0);
8622   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8623   int sysize = SYSIZE - scrollbar_height - infotext_height;
8624   int max_ed_fieldy = sysize / ed_tilesize;
8625
8626   return max_ed_fieldy;
8627 }
8628
8629 static void InitZoomLevelSettings(int zoom_tilesize)
8630 {
8631   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8632
8633   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8634   {
8635     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8636     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8637
8638     // make sure that tile size is always a power of 2
8639     ed_tilesize = (1 << log_2(ed_tilesize));
8640
8641     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8642     {
8643       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8644       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8645     }
8646   }
8647
8648   last_game_engine_type = level.game_engine_type;
8649
8650   // limit zoom tilesize by upper and lower bound
8651   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8652
8653   // store zoom tilesize in auto setup file only if it was manually changed
8654   if (zoom_tilesize != -1)
8655     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8656
8657   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8658   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8659 }
8660
8661 static void InitDrawingElements(void)
8662 {
8663   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8664
8665   if (level.game_engine_type == game_engine_type_last)
8666     return;
8667
8668   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8669   {
8670     new_element1 = EL_SP_CHIP_SINGLE;
8671     new_element2 = EL_EMPTY;
8672     new_element3 = EL_SP_BASE;
8673   }
8674   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8675   {
8676     new_element1 = EL_MM_MIRROR_START;
8677     new_element2 = EL_EMPTY;
8678     new_element3 = EL_MM_WOODEN_WALL;
8679   }
8680   else
8681   {
8682     new_element1 = EL_WALL;
8683     new_element2 = EL_EMPTY;
8684     new_element3 = EL_SAND;
8685   }
8686
8687   game_engine_type_last = level.game_engine_type;
8688 }
8689
8690 static void InitLevelSetInfo(void)
8691 {
8692   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8693            "%s", leveldir_current->name);
8694   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8695            "%s", leveldir_current->author);
8696
8697   levelset_num_levels = leveldir_current->levels;
8698
8699   levelset_use_levelset_artwork = FALSE;
8700   levelset_copy_level_template = FALSE;
8701
8702   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8703 }
8704
8705 static void ChangeEditorToLevelSet(char *levelset_subdir)
8706 {
8707   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8708
8709   // the previous level set might have used custom artwork
8710   ReloadCustomArtwork(0);
8711
8712   LoadLevelSetup_SeriesInfo();
8713
8714   SaveLevelSetup_LastSeries();
8715   SaveLevelSetup_SeriesInfo();
8716
8717   TapeErase();
8718
8719   LoadLevel(level_nr);
8720   LoadScore(level_nr);
8721
8722   DrawLevelEd();
8723 }
8724
8725 static boolean useEditorDoorAnimation(void)
8726 {
8727   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8728   boolean door_1_viewport_unchanged =
8729     (vp_door_1->x      == DX     &&
8730      vp_door_1->y      == DY     &&
8731      vp_door_1->width  == DXSIZE &&
8732      vp_door_1->height == DYSIZE);
8733   boolean door_1_contains_toolbox =
8734     (EX >= DX &&
8735      EY >= DY &&
8736      EX + EXSIZE <= DX + DXSIZE &&
8737      EY + EYSIZE <= DY + DYSIZE);
8738
8739   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8740 }
8741
8742 static void DrawEditorDoorBackground(int graphic, int x, int y,
8743                                      int width, int height)
8744 {
8745   struct GraphicInfo *g = &graphic_info[graphic];
8746
8747   if (g->bitmap != NULL)
8748     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8749                MIN(width, g->width), MIN(height, g->height), x, y);
8750   else
8751     ClearRectangle(drawto, x, y, width, height);
8752 }
8753
8754 static void DrawEditorDoorContent(void)
8755 {
8756   // needed for gadgets drawn on background (like palette scrollbar)
8757   SetDoorBackgroundImage(IMG_UNDEFINED);
8758
8759   // copy default editor door content to main double buffer
8760   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8761
8762   // draw bigger door
8763   DrawSpecialEditorDoor();
8764
8765   // draw new control window
8766   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8767
8768   // draw all toolbox gadgets to editor doors
8769   MapControlButtons();
8770
8771   // draw all palette gadgets to editor doors
8772   ModifyEditorElementList();
8773   RedrawDrawingElements();
8774
8775   // copy actual editor door content to door double buffer for OpenDoor()
8776   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8777 }
8778
8779 void DrawLevelEd(void)
8780 {
8781   int fade_mask = REDRAW_FIELD;
8782
8783   FadeSoundsAndMusic();
8784
8785   if (CheckFadeAll())
8786     fade_mask = REDRAW_ALL;
8787
8788   FadeOut(fade_mask);
8789
8790   // needed if different viewport properties defined for editor
8791   ChangeViewportPropertiesIfNeeded();
8792
8793   ClearField();
8794
8795   InitZoomLevelSettings(-1);
8796   InitDrawingElements();
8797   InitLevelSetInfo();
8798
8799 #if DEBUG
8800   CheckElementDescriptions();
8801 #endif
8802
8803   if (level_editor_test_game)
8804   {
8805     CopyPlayfield(level.field, Tile);
8806     CopyPlayfield(TileBackup, level.field);
8807
8808     level_editor_test_game = FALSE;
8809   }
8810   else
8811   {
8812     edit_mode = ED_MODE_DRAWING;
8813     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8814     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8815
8816     ResetUndoBuffer();
8817
8818     level_xpos = -1;
8819     level_ypos = -1;
8820   }
8821
8822   // redraw_mask |= REDRAW_ALL;
8823
8824   FreeLevelEditorGadgets();
8825   CreateLevelEditorGadgets();
8826
8827   ReinitializeElementList();            // update dynamic level element list
8828   ReinitializeElementListButtons();     // custom element may look different
8829
8830   InitElementPropertiesGfxElement();
8831
8832   UnmapAllGadgets();
8833
8834   DrawEditModeWindow_PlayfieldOnly();
8835
8836   DrawMaskedBorder(fade_mask);
8837
8838   // use door animation if door 1 viewport is unchanged and contains toolbox
8839   if (useEditorDoorAnimation())
8840   {
8841     FadeIn(fade_mask);
8842
8843     DrawEditorDoorContent();
8844
8845     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8846   }
8847   else
8848   {
8849     DrawEditorDoorContent();
8850
8851     FadeIn(fade_mask);
8852   }
8853
8854   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8855 }
8856
8857 static void AdjustDrawingAreaGadgets(void)
8858 {
8859   int ed_xsize = lev_fieldx + 2;
8860   int ed_ysize = lev_fieldy + 2;
8861   int max_ed_fieldx = MAX_ED_FIELDX;
8862   int max_ed_fieldy = MAX_ED_FIELDY;
8863   boolean horizontal_scrollbar_needed;
8864   boolean vertical_scrollbar_needed;
8865   int x, y, width, height;
8866
8867   if (suppressBorderElement())
8868   {
8869     ed_xsize = max_ed_fieldx;
8870     ed_ysize = max_ed_fieldy;
8871   }
8872
8873   // check if we need any scrollbars
8874   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8875   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8876
8877   // check if we have a smaller editor field because of scrollbars
8878   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8879   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8880
8881   // check again if we now need more scrollbars because of less space
8882   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8883   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8884
8885   // check if editor field gets even smaller after adding new scrollbars
8886   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8887   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8888
8889   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8890   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8891
8892   x = SX + ed_fieldx * ed_tilesize;
8893   y = SY + ed_fieldy * ed_tilesize;
8894
8895   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8896   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8897
8898   // adjust drawing area gadget
8899   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8900                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8901                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8902                GDI_END);
8903
8904   // adjust horizontal scrollbar gadgets
8905   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8906                GDI_Y, y,
8907                GDI_END);
8908   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8909                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8910                GDI_Y, y,
8911                GDI_END);
8912   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8913                GDI_Y, y,
8914                GDI_WIDTH, width,
8915                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8916                GDI_END);
8917
8918   // adjust vertical scrollbar gadgets
8919   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8920                GDI_X, x,
8921                GDI_END);
8922   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8923                GDI_X, x,
8924                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8925                GDI_END);
8926   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8927                GDI_X, x,
8928                GDI_HEIGHT, height,
8929                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8930                GDI_END);
8931 }
8932
8933 static void AdjustLevelScrollPosition(void)
8934 {
8935   if (level_xpos < -1)
8936     level_xpos = -1;
8937   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8938     level_xpos = lev_fieldx - ed_fieldx + 1;
8939   if (lev_fieldx < ed_fieldx - 2)
8940     level_xpos = -1;
8941
8942   if (level_ypos < -1)
8943     level_ypos = -1;
8944   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8945     level_ypos = lev_fieldy - ed_fieldy + 1;
8946   if (lev_fieldy < ed_fieldy - 2)
8947     level_ypos = -1;
8948
8949   if (suppressBorderElement())
8950   {
8951     level_xpos = 0;
8952     level_ypos = 0;
8953   }
8954 }
8955
8956 static void AdjustEditorScrollbar(int id)
8957 {
8958   struct GadgetInfo *gi = level_editor_gadget[id];
8959   int items_max, items_visible, item_position;
8960
8961   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8962   {
8963     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8964     items_visible = ed_fieldx;
8965     item_position = level_xpos + 1;
8966   }
8967   else
8968   {
8969     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8970     items_visible = ed_fieldy;
8971     item_position = level_ypos + 1;
8972   }
8973
8974   if (item_position > items_max - items_visible)
8975     item_position = items_max - items_visible;
8976
8977   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8978                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8979 }
8980
8981 static void AdjustElementListScrollbar(void)
8982 {
8983   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8984   int items_max, items_visible, item_position;
8985
8986   // correct position of element list scrollbar
8987   if (element_shift < 0)
8988     element_shift = 0;
8989   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8990     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8991
8992   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8993   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8994   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8995
8996   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8997                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8998                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8999 }
9000
9001 static void ModifyEditorCounterValue(int counter_id, int new_value)
9002 {
9003   int *counter_value = counterbutton_info[counter_id].value;
9004   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9005   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9006
9007   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9008
9009   if (counter_value != NULL)
9010     *counter_value = gi->textinput.number_value;
9011 }
9012
9013 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9014 {
9015   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9016   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9017
9018   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9019
9020   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9021       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9022   {
9023     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9024     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9025
9026     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9027     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9028                  GDI_END);
9029   }
9030 }
9031
9032 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9033 {
9034   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9035   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9036   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9037
9038   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9039 }
9040
9041 static void ModifyEditorSelectboxOptions(int selectbox_id,
9042                                          struct ValueTextInfo *options)
9043 {
9044   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9045   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9046
9047   selectbox_info[selectbox_id].options = options;
9048
9049   // set index to zero -- list may be shorter now (correct later, if needed)
9050   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9051                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9052 }
9053
9054 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9055 {
9056   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9057   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9058
9059   drawingarea_info[drawingarea_id].area_xsize = xsize;
9060   drawingarea_info[drawingarea_id].area_ysize = ysize;
9061
9062   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9063 }
9064
9065 static void ModifyEditorElementList(void)
9066 {
9067   int i;
9068
9069   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9070     return;
9071
9072   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9073   {
9074     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9075     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9076     struct GadgetDesign *gd = &gi->deco.design;
9077     int element = editor_elements[element_shift + i];
9078     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9079
9080     UnmapGadget(gi);
9081
9082     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9083
9084     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9085
9086     MapGadget(gi);
9087   }
9088 }
9089
9090 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9091 {
9092   int graphic = el2edimg(element);
9093   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9094
9095   if (pos->x == -1 &&
9096       pos->y == -1)
9097     return;
9098
9099   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9100 }
9101
9102 static void ModifyDrawingElementButton(int element, int id)
9103 {
9104   struct GadgetInfo *gi = level_editor_gadget[id];
9105   Bitmap *deco_bitmap;
9106   int deco_x, deco_y;
9107   int tile_size = gi->deco.width;
9108
9109   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9110
9111   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9112 }
9113
9114 static void PickDrawingElement(int button, int element)
9115 {
9116   struct
9117   {
9118     int *new_element;
9119     struct XYTileSize *pos;
9120     int id;
9121   } de, drawing_elements[] =
9122   {
9123     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9124     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9125     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9126   };
9127
9128   if (button < 1 || button > 3)
9129     return;
9130
9131   if (IS_MM_WALL(element))
9132     element = map_mm_wall_element(element);
9133
9134   de = drawing_elements[button - 1];
9135
9136   *de.new_element = element;    // update global drawing element variable
9137
9138   DrawDrawingElementGraphic(element, de.pos);
9139   ModifyDrawingElementButton(element, de.id);
9140
9141   redraw_mask |= REDRAW_DOOR_1;
9142 }
9143
9144 static void RedrawDrawingElements(void)
9145 {
9146   PickDrawingElement(1, new_element1);
9147   PickDrawingElement(2, new_element2);
9148   PickDrawingElement(3, new_element3);
9149 }
9150
9151 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9152 {
9153   stick_element_properties_window = FALSE;
9154
9155   SetMainBackgroundImage(IMG_UNDEFINED);
9156   ClearField();
9157
9158   UnmapLevelEditorFieldGadgets();
9159
9160   AdjustDrawingAreaGadgets();
9161   AdjustLevelScrollPosition();
9162   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9163   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9164
9165   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9166
9167   MapMainDrawingArea();
9168
9169   if (remap_toolbox_gadgets)
9170   {
9171     UnmapLevelEditorToolboxCustomGadgets();
9172     MapLevelEditorToolboxDrawingGadgets();
9173   }
9174 }
9175
9176 static void DrawDrawingWindow(void)
9177 {
9178   DrawDrawingWindowExt(TRUE);
9179 }
9180
9181 static int getTabulatorBarWidth(void)
9182 {
9183   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9184   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9185
9186   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9187 }
9188
9189 static int getTabulatorBarHeight(void)
9190 {
9191   return ED_TAB_BAR_HEIGHT;
9192 }
9193
9194 static Pixel getTabulatorBarColor(void)
9195 {
9196   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9197   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9198   int gd_x = gd->x + gd_gi1->border.width / 2;
9199   int gd_y = gd->y + gd_gi1->height - 1;
9200
9201   return GetPixel(gd->bitmap, gd_x, gd_y);
9202 }
9203
9204 static void DrawLevelInfoTabulatorGadgets(void)
9205 {
9206   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9207   Pixel tab_color = getTabulatorBarColor();
9208   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9209   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9210   int i;
9211
9212   for (i = id_first; i <= id_last; i++)
9213   {
9214     int gadget_id = textbutton_info[i].gadget_id;
9215     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9216     boolean active = (i != edit_mode_levelinfo);
9217
9218     // draw background line below tabulator button
9219     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9220
9221     // draw solid line below inactive tabulator buttons
9222     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9223       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9224                     ED_GADGET_TINY_DISTANCE, tab_color);
9225
9226     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9227     MapTextbuttonGadget(i);
9228   }
9229
9230   // draw little border line below tabulator buttons
9231   if (tab_color != BLACK_PIXEL)                 // black => transparent
9232     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9233                   ED_GADGET_TINY_DISTANCE,
9234                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9235 }
9236
9237 static void DrawPropertiesTabulatorGadgets(void)
9238 {
9239   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9240   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9241   int gd_x = gd->x + gd_gi1->border.width / 2;
9242   int gd_y = gd->y + gd_gi1->height - 1;
9243   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9244   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9245   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9246   int i;
9247
9248   // draw two config tabulators for player elements
9249   if (IS_PLAYER_ELEMENT(properties_element))
9250     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9251
9252   // draw two config and one "change" tabulator for custom elements
9253   if (IS_CUSTOM_ELEMENT(properties_element))
9254     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9255
9256   for (i = id_first; i <= id_last; i++)
9257   {
9258     int gadget_id = textbutton_info[i].gadget_id;
9259     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9260     boolean active = (i != edit_mode_properties);
9261
9262     // use "config 1" and "config 2" instead of "config" for players and CEs
9263     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9264         (IS_PLAYER_ELEMENT(properties_element) ||
9265          IS_CUSTOM_ELEMENT(properties_element)))
9266       continue;
9267
9268     // draw background line below tabulator button
9269     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9270
9271     // draw solid line below inactive tabulator buttons
9272     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9273       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9274                     ED_GADGET_TINY_DISTANCE, tab_color);
9275
9276     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9277     MapTextbuttonGadget(i);
9278   }
9279
9280   // draw little border line below tabulator buttons
9281   if (tab_color != BLACK_PIXEL)                 // black => transparent
9282     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9283                   ED_GADGET_TINY_DISTANCE,
9284                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9285 }
9286
9287 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9288 {
9289   DrawText(SX + xpos, SY + ypos, text, font_nr);
9290 }
9291
9292 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9293                                            int xpos, int ypos)
9294 {
9295   int font_width = getFontWidth(font_nr);
9296   int font_height = getFontHeight(font_nr);
9297   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9298   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9299
9300   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9301                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9302                       TRUE, FALSE, FALSE);
9303 }
9304
9305 static void DrawLevelInfoLevel(void)
9306 {
9307   int i;
9308
9309   // draw counter gadgets
9310   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9311     MapCounterButtons(i);
9312
9313   // draw checkbutton gadgets
9314   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9315     MapCheckbuttonGadget(i);
9316
9317   // draw selectbox gadgets
9318   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9319     MapSelectboxGadget(i);
9320
9321   // draw text input gadgets
9322   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9323     MapTextInputGadget(i);
9324 }
9325
9326 static char *getLevelSubdirFromSaveMode(int save_mode)
9327 {
9328   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9329     return getNewUserLevelSubdir();
9330
9331   return leveldir_current->subdir;
9332 }
9333
9334 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9335 {
9336   char *directory_text = "Level set directory:";
9337   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9338   int font1_nr = FONT_TEXT_1;
9339   int font2_nr = FONT_TEXT_2;
9340   int font1_height = getFontHeight(font1_nr);
9341   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9342   int x = ED_LEVEL_SETTINGS_X(0);
9343   int y = ED_LEVEL_SETTINGS_Y(6);
9344
9345   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9346   PrintInfoText(directory_name, font2_nr, x, y);
9347 }
9348
9349 static void DrawLevelInfoLevelSet(void)
9350 {
9351   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9352   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9353   int i;
9354
9355   // draw counter gadgets
9356   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9357     MapCounterButtons(i);
9358
9359   // draw checkbutton gadgets
9360   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9361   {
9362     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9363         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9364         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9365       continue;
9366
9367     MapCheckbuttonGadget(i);
9368   }
9369
9370   // draw selectbox gadgets
9371   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9372     MapSelectboxGadget(i);
9373
9374   // draw text input gadgets
9375   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9376     MapTextInputGadget(i);
9377
9378   // draw textbutton gadgets
9379   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9380
9381   // draw info text
9382   DrawLevelInfoLevelSet_DirectoryInfo();
9383 }
9384
9385 static void DrawLevelInfoEditor(void)
9386 {
9387   int i;
9388
9389   // draw counter gadgets
9390   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9391     MapCounterButtons(i);
9392
9393   // draw checkbutton gadgets
9394   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9395     MapCheckbuttonGadget(i);
9396
9397   // draw radiobutton gadgets
9398   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9399     MapRadiobuttonGadget(i);
9400
9401   // draw drawing area
9402   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9403
9404   // draw textbutton gadgets
9405   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9406 }
9407
9408 static void DrawLevelInfoWindow(void)
9409 {
9410   char *text = "Global Settings";
9411   int font_nr = FONT_TITLE_1;
9412   struct MenuPosInfo *pos = &editor.settings.headline;
9413   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9414   int sy = SY + pos->y;
9415
9416   stick_element_properties_window = FALSE;
9417
9418   SetAutomaticNumberOfGemsNeeded();
9419
9420   UnmapLevelEditorFieldGadgets();
9421
9422   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9423   ClearField();
9424
9425   DrawText(sx, sy, text, font_nr);
9426
9427   DrawLevelInfoTabulatorGadgets();
9428
9429   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9430     DrawLevelInfoLevel();
9431   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9432     DrawLevelInfoLevelSet();
9433   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9434     DrawLevelInfoEditor();
9435 }
9436
9437 static void DrawCustomContentArea(void)
9438 {
9439   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9440   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9441   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9442   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9443   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9444   int xoffset = ED_GADGET_SPACE_DISTANCE;
9445
9446   // add distance for potential left text (without drawing area border)
9447   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9448
9449   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9450
9451   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9452 }
9453
9454 static void DrawCustomChangeContentArea(void)
9455 {
9456   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9457   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9458   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9459   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9460   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9461   int xoffset = ED_GADGET_SPACE_DISTANCE;
9462
9463   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9464
9465   MapDrawingArea(id);
9466 }
9467
9468 static void RemoveElementContentArea(int id, int font_height)
9469 {
9470   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9471
9472   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9473                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9474                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9475                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9476                  ED_GADGET_TEXT_DISTANCE + font_height);
9477 }
9478
9479 static void DrawYamYamContentAreas(void)
9480 {
9481   int font_nr = FONT_TEXT_1;
9482   int font_height = getFontHeight(font_nr);
9483   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9484   int yoffset = (tilesize - font_height) / 2;
9485   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9486   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9487   int i;
9488
9489   // display counter to choose number of element content areas
9490   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9491
9492   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9493   {
9494     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9495
9496     if (i < level.num_yamyam_contents)
9497     {
9498       MapDrawingArea(id);
9499     }
9500     else
9501     {
9502       UnmapDrawingArea(id);
9503
9504       // delete content areas in case of reducing number of them
9505       RemoveElementContentArea(id, font_height);
9506     }
9507   }
9508
9509   DrawText(x, y + 0 * tilesize, "content", font_nr);
9510   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9511   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9512 }
9513
9514 static void DrawMagicBallContentAreas(void)
9515 {
9516   int font_nr = FONT_TEXT_1;
9517   int font_height = getFontHeight(font_nr);
9518   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9519   int yoffset = (tilesize - font_height) / 2;
9520   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9521   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9522   int i;
9523
9524   // display counter to choose number of element content areas
9525   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9526
9527   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9528   {
9529     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9530
9531     if (i < level.num_ball_contents)
9532     {
9533       MapDrawingArea(id);
9534     }
9535     else
9536     {
9537       UnmapDrawingArea(id);
9538
9539       // delete content areas in case of reducing number of them
9540       RemoveElementContentArea(id, font_height);
9541     }
9542   }
9543
9544   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9545   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9546   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9547 }
9548
9549 static void DrawAndroidElementArea(void)
9550 {
9551   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9552   int num_elements = level.num_android_clone_elements;
9553   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9554   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9555   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9556   int xsize = MAX_ANDROID_ELEMENTS;
9557   int ysize = 1;
9558
9559   // display counter to choose number of element areas
9560   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9561
9562   if (drawingarea_info[id].text_left != NULL)
9563     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9564
9565   UnmapDrawingArea(id);
9566
9567   ModifyEditorDrawingArea(id, num_elements, 1);
9568
9569   // delete content areas in case of reducing number of them
9570   DrawBackground(sx, sy,
9571                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9572                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9573
9574   MapDrawingArea(id);
9575 }
9576
9577 static void DrawGroupElementArea(void)
9578 {
9579   int id = ED_DRAWING_ID_GROUP_CONTENT;
9580   int num_elements = group_element_info.num_elements;
9581   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9582   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9583   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9584   int xsize = MAX_ELEMENTS_IN_GROUP;
9585   int ysize = 1;
9586
9587   if (drawingarea_info[id].text_left != NULL)
9588     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9589
9590   UnmapDrawingArea(id);
9591
9592   ModifyEditorDrawingArea(id, num_elements, 1);
9593
9594   // delete content areas in case of reducing number of them
9595   DrawBackground(sx, sy,
9596                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9597                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9598
9599   MapDrawingArea(id);
9600 }
9601
9602 static void DrawPlayerInitialInventoryArea(int element)
9603 {
9604   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9605   int player_nr = GET_PLAYER_NR(element);
9606   int num_elements = level.initial_inventory_size[player_nr];
9607   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9608   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9609   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9610   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9611   int ysize = 1;
9612
9613   // determine horizontal position to the right of specified gadget
9614   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9615     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9616           ED_DRAWINGAREA_TEXT_DISTANCE);
9617
9618   // determine horizontal offset for leading text
9619   if (drawingarea_info[id].text_left != NULL)
9620     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9621
9622   UnmapDrawingArea(id);
9623
9624   ModifyEditorDrawingArea(id, num_elements, 1);
9625
9626   // delete content areas in case of reducing number of them
9627   DrawBackground(sx, sy,
9628                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9629                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9630
9631   MapDrawingArea(id);
9632 }
9633
9634 static void DrawMMBallContentArea(void)
9635 {
9636   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
9637   int num_elements = level.num_mm_ball_contents;
9638   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9639   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9640   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9641   int xsize = MAX_MM_BALL_CONTENTS;
9642   int ysize = 1;
9643
9644   if (drawingarea_info[id].text_left != NULL)
9645     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9646
9647   UnmapDrawingArea(id);
9648
9649   ModifyEditorDrawingArea(id, num_elements, 1);
9650
9651   // delete content areas in case of reducing number of them
9652   DrawBackground(sx, sy,
9653                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9654                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9655
9656   MapDrawingArea(id);
9657 }
9658
9659 static void DrawEnvelopeTextArea(int envelope_nr)
9660 {
9661   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9662   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9663
9664   UnmapGadget(gi);
9665
9666   DrawBackground(gi->x, gi->y,
9667                  gi->textarea.crop_width, gi->textarea.crop_height);
9668
9669   if (envelope_nr != -1)
9670     textarea_info[id].value = level.envelope[envelope_nr].text;
9671
9672   ModifyGadget(gi, GDI_AREA_SIZE,
9673                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9674                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9675                GDI_END);
9676
9677   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9678 }
9679
9680 static void DrawPropertiesInfo(void)
9681 {
9682   static struct
9683   {
9684     int value;
9685     char *text;
9686   }
9687   properties[] =
9688   {
9689     // configurable properties
9690
9691     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9692     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9693     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9694     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9695     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9696     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9697     { EP_PROTECTED,             "- player is protected by it"           },
9698
9699     { EP_DIGGABLE,              "- can be digged away"                  },
9700     { EP_COLLECTIBLE,           "- can be collected"                    },
9701     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9702     { EP_THROWABLE,             "- can be thrown after collecting"      },
9703     { EP_PUSHABLE,              "- can be pushed"                       },
9704
9705     { EP_CAN_FALL,              "- can fall"                            },
9706     { EP_CAN_MOVE,              "- can move"                            },
9707
9708     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9709 #if 0
9710     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9711 #endif
9712     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9713
9714     { EP_SLIPPERY,              "- slippery for falling elements"       },
9715     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9716
9717     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9718     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9719     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9720     { EP_DONT_TOUCH,            "- deadly when touching"                },
9721
9722     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9723
9724     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9725     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9726     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9727
9728     { EP_CAN_CHANGE,            "- can change to other element"         },
9729
9730     // pre-defined properties
9731     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9732     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9733     { EP_SWITCHABLE,            "- can be switched"                     },
9734 #if 0
9735     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9736 #endif
9737
9738     { -1,                       NULL                                    }
9739   };
9740   char *filename = getElementDescriptionFilename(properties_element);
9741   char *percentage_text = "In this level: ";
9742   char *properties_text = "Standard properties: ";
9743   char *description_text = "Description:";
9744   char *no_description_text = "No description available.";
9745   char *none_text = "None";
9746   float percentage;
9747   int num_elements_in_level;
9748   int num_standard_properties = 0;
9749   int font1_nr = FONT_TEXT_1;
9750   int font2_nr = FONT_TEXT_2;
9751   int font1_width = getFontWidth(font1_nr);
9752   int font1_height = getFontHeight(font1_nr);
9753   int font2_height = getFontHeight(font2_nr);
9754   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9755   int font2_yoffset = (font1_height - font2_height) / 2;
9756   int percentage_text_len = strlen(percentage_text) * font1_width;
9757   int properties_text_len = strlen(properties_text) * font1_width;
9758   int xpos = ED_ELEMENT_SETTINGS_X(0);
9759   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9760   int i, x, y;
9761
9762   if (setup.editor.show_element_token)
9763   {
9764     int font3_nr = FONT_TEXT_3;
9765     int font3_height = getFontHeight(font3_nr);
9766
9767     DrawTextF(xpos, ypos, font3_nr,
9768               "[%s]", element_info[properties_element].token_name);
9769
9770     ypos += 2 * font3_height;
9771   }
9772
9773   // ----- print number of elements / percentage of this element in level
9774
9775   num_elements_in_level = 0;
9776   for (y = 0; y < lev_fieldy; y++)
9777     for (x = 0; x < lev_fieldx; x++)
9778       if (Tile[x][y] == properties_element)
9779         num_elements_in_level++;
9780   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9781
9782   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9783
9784   if (num_elements_in_level > 0)
9785     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9786               "%d (%.2f %%)", num_elements_in_level, percentage);
9787   else
9788     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9789               none_text);
9790
9791   ypos += 2 * MAX(font1_height, font2_height);
9792
9793   // ----- print standard properties of this element
9794
9795   DrawTextS(xpos, ypos, font1_nr, properties_text);
9796
9797   ypos += line1_height;
9798
9799   for (i = 0; properties[i].value != -1; i++)
9800   {
9801     if (!HAS_PROPERTY(properties_element, properties[i].value))
9802       continue;
9803
9804     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9805
9806     ypos += font2_height;
9807
9808     num_standard_properties++;
9809   }
9810
9811   if (num_standard_properties == 0)
9812   {
9813     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9814               font2_nr, none_text);
9815
9816     ypos -= (line1_height - font1_height);
9817   }
9818
9819   ypos += MAX(font1_height, font2_height);
9820
9821   // ----- print special description of this element
9822
9823   PrintInfoText(description_text, font1_nr, xpos, ypos);
9824
9825   ypos += line1_height;
9826
9827   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9828     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9829 }
9830
9831 #define TEXT_COLLECTING         "Score for collecting"
9832 #define TEXT_SMASHING           "Score for smashing"
9833 #define TEXT_SLURPING           "Score for slurping robot"
9834 #define TEXT_CRACKING           "Score for cracking"
9835 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9836 #define TEXT_DURATION           "Duration when activated"
9837 #define TEXT_DELAY_ON           "Delay before activating"
9838 #define TEXT_DELAY_OFF          "Delay before deactivating"
9839 #define TEXT_DELAY_CHANGING     "Delay before changing"
9840 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9841 #define TEXT_DELAY_MOVING       "Delay before moving"
9842 #define TEXT_BALL_DELAY         "Element generation delay"
9843 #define TEXT_MOVE_SPEED         "Speed of android moving"
9844 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9845 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9846 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9847 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9848 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9849 #define TEXT_TIME_BONUS         "Extra time to solve level"
9850
9851 static struct
9852 {
9853   int element;
9854   int *value;
9855   char *text;
9856 } elements_with_counter[] =
9857 {
9858   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9859   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9860   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9861   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9862   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9863   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9864   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9865   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9866   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9867   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9868   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9869   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9870   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9871   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9872   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9873   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9874   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9875   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9876   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9877   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9878   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9879   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9880   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9881   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9882   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9883   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9884   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9885   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9886   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9887   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9888   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9889   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9890   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9891   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9892   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9893   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9894   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9895   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9896   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9897   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9898   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9899   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9900   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9901   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9902   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9903   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9904   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9905   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9906   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9907   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9908   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9909   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9910   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9911   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9912   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9913   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9914   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9915   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9916   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9917   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9918   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9919   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9920   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9921   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9922   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9923   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9924   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9925   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9926   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9927   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9928   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9929   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9930   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9931   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9932   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9933   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9934   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9935   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9936   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9937   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9938   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9939   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9940   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9941
9942   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9943   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9944   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9945   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9946   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9947   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9948   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9949   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9950   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9951   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9952   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9953   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9954   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9955   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9956   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9957   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9958
9959   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9960   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9961   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9962   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9963   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9964   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9965   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9966   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9967   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9968   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9969   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9970   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9971   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_CHANGING },
9972   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9973   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9974
9975   { -1,                 NULL,                           NULL            }
9976 };
9977
9978 static boolean checkPropertiesConfig(int element)
9979 {
9980   int i;
9981
9982   if (IS_GEM(element) ||
9983       IS_CUSTOM_ELEMENT(element) ||
9984       IS_GROUP_ELEMENT(element) ||
9985       IS_EMPTY_ELEMENT(element) ||
9986       IS_BALLOON_ELEMENT(element) ||
9987       IS_ENVELOPE(element) ||
9988       IS_MM_ENVELOPE(element) ||
9989       IS_MM_MCDUFFIN(element) ||
9990       IS_DF_LASER(element) ||
9991       IS_PLAYER_ELEMENT(element) ||
9992       HAS_EDITOR_CONTENT(element) ||
9993       CAN_GROW(element) ||
9994       COULD_MOVE_INTO_ACID(element) ||
9995       MAYBE_DONT_COLLIDE_WITH(element) ||
9996       element == EL_SOKOBAN_OBJECT ||
9997       element == EL_SOKOBAN_FIELD_EMPTY ||
9998       element == EL_SOKOBAN_FIELD_FULL)
9999     return TRUE;
10000   else
10001     for (i = 0; elements_with_counter[i].element != -1; i++)
10002       if (elements_with_counter[i].element == element)
10003         return TRUE;
10004
10005   return FALSE;
10006 }
10007
10008 static void SetAutomaticNumberOfGemsNeeded(void)
10009 {
10010   int x, y;
10011
10012   if (!level.auto_count_gems)
10013     return;
10014
10015   level.gems_needed = 0;
10016
10017   for (x = 0; x < lev_fieldx; x++)
10018   {
10019     for (y = 0; y < lev_fieldy; y++)
10020     {
10021       int element = Tile[x][y];
10022
10023       switch (element)
10024       {
10025         case EL_EMERALD:
10026         case EL_EMERALD_YELLOW:
10027         case EL_EMERALD_RED:
10028         case EL_EMERALD_PURPLE:
10029         case EL_BD_DIAMOND:
10030         case EL_WALL_EMERALD:
10031         case EL_WALL_EMERALD_YELLOW:
10032         case EL_WALL_EMERALD_RED:
10033         case EL_WALL_EMERALD_PURPLE:
10034         case EL_WALL_BD_DIAMOND:
10035         case EL_NUT:
10036         case EL_SP_INFOTRON:
10037         case EL_MM_KETTLE:
10038         case EL_DF_CELL:
10039           level.gems_needed++;
10040           break;
10041
10042         case EL_DIAMOND:
10043         case EL_WALL_DIAMOND:
10044           level.gems_needed += 3;
10045           break;
10046
10047         case EL_PEARL:
10048         case EL_WALL_PEARL:
10049           level.gems_needed += 5;
10050           break;
10051
10052         case EL_CRYSTAL:
10053         case EL_WALL_CRYSTAL:
10054           level.gems_needed += 8;
10055           break;
10056
10057         default:
10058           break;
10059       }
10060     }
10061   }
10062
10063   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10064 }
10065
10066 static void DrawPropertiesConfig(void)
10067 {
10068   boolean draw_footer_line = FALSE;
10069   int max_num_element_counters = 4;
10070   int num_element_counters = 0;
10071   int i;
10072
10073   if (!checkPropertiesConfig(properties_element))
10074   {
10075     int xpos = ED_ELEMENT_SETTINGS_X(0);
10076     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10077
10078     PrintInfoText("No configuration options available.",
10079                   FONT_TEXT_1, xpos, ypos);
10080
10081     return;
10082   }
10083
10084   // check if there are elements where a value can be chosen for
10085   for (i = 0; elements_with_counter[i].element != -1; i++)
10086   {
10087     if (elements_with_counter[i].element == properties_element)
10088     {
10089       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10090
10091       counterbutton_info[counter_id].y =
10092         ED_ELEMENT_SETTINGS_YPOS(
10093                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10094                 (CAN_GROW(properties_element)                ? 1 : 0) +
10095                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10096                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10097                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10098                 num_element_counters);
10099
10100       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10101       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
10102
10103       if (properties_element == EL_GAME_OF_LIFE ||
10104           properties_element == EL_BIOMAZE)
10105       {
10106         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10107         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10108       }
10109       else
10110       {
10111         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10112         counterbutton_info[counter_id].min_value = MIN_SCORE;
10113         counterbutton_info[counter_id].max_value = MAX_SCORE;
10114       }
10115
10116       MapCounterButtons(counter_id);
10117
10118       num_element_counters++;
10119       if (num_element_counters >= max_num_element_counters)
10120         break;
10121     }
10122   }
10123
10124   if (HAS_EDITOR_CONTENT(properties_element))
10125   {
10126     // draw stickybutton gadget
10127     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10128
10129     if (IS_AMOEBOID(properties_element))
10130       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10131     else if (properties_element == EL_YAMYAM ||
10132              properties_element == EL_YAMYAM_LEFT ||
10133              properties_element == EL_YAMYAM_RIGHT ||
10134              properties_element == EL_YAMYAM_UP ||
10135              properties_element == EL_YAMYAM_DOWN)
10136       DrawYamYamContentAreas();
10137     else if (properties_element == EL_EMC_MAGIC_BALL)
10138     {
10139       DrawMagicBallContentAreas();
10140
10141       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10142       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10143     }
10144     else if (properties_element == EL_EMC_ANDROID)
10145       DrawAndroidElementArea();
10146     else if (properties_element == EL_MM_GRAY_BALL)
10147     {
10148       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10149       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10150       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10151
10152       DrawMMBallContentArea();
10153     }
10154   }
10155
10156   if (IS_PLAYER_ELEMENT(properties_element))
10157   {
10158     int player_nr = GET_PLAYER_NR(properties_element);
10159
10160     // these properties can be set for every player individually
10161
10162     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10163     {
10164       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10165         &level.start_element[player_nr];
10166       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10167         &level.artwork_element[player_nr];
10168       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10169         &level.explosion_element[player_nr];
10170
10171       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10172         &level.use_start_element[player_nr];
10173       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10174         &level.use_artwork_element[player_nr];
10175       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10176         &level.use_explosion_element[player_nr];
10177       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10178         &level.initial_player_gravity[player_nr];
10179
10180       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10181         &level.initial_player_stepsize[player_nr];
10182
10183       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10184       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10185                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10186                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10187       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10188       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10189       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10190       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10191       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10192       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10193       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10194       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10195       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10196       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10197       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10198
10199       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10200       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10201       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10202
10203       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10204     }
10205     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10206     {
10207       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10208         &level.initial_inventory_content[player_nr][0];
10209
10210       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10211         &level.initial_inventory_size[player_nr];
10212
10213       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10214         &level.use_initial_inventory[player_nr];
10215
10216       // draw checkbutton gadgets
10217       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10218       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10219       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10220
10221       // draw counter gadgets
10222       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10223
10224       // draw drawing area gadgets
10225       DrawPlayerInitialInventoryArea(properties_element);
10226     }
10227   }
10228
10229   if (IS_GEM(properties_element))
10230     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10231
10232   if (properties_element == EL_EM_DYNAMITE)
10233     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10234
10235   if (COULD_MOVE_INTO_ACID(properties_element) &&
10236       !IS_PLAYER_ELEMENT(properties_element) &&
10237       (!IS_CUSTOM_ELEMENT(properties_element) ||
10238        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10239   {
10240     // set position for checkbutton for "can move into acid"
10241     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10242       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10243     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10244       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10245                                IS_BALLOON_ELEMENT(properties_element) ||
10246                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10247
10248     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10249   }
10250
10251   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10252     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10253
10254   if (properties_element == EL_SPRING ||
10255       properties_element == EL_SPRING_LEFT ||
10256       properties_element == EL_SPRING_RIGHT)
10257     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10258
10259   if (properties_element == EL_TIME_ORB_FULL)
10260     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10261
10262   if (properties_element == EL_GAME_OF_LIFE ||
10263       properties_element == EL_BIOMAZE)
10264     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10265
10266   if (CAN_GROW(properties_element))
10267   {
10268     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10269       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10270
10271     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10272   }
10273
10274   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10275     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10276
10277   if (properties_element == EL_SOKOBAN_OBJECT)
10278     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10279
10280   if (properties_element == EL_SOKOBAN_OBJECT ||
10281       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10282       properties_element == EL_SOKOBAN_FIELD_FULL)
10283   {
10284     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10285       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10286                                0 : 1);
10287
10288     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10289   }
10290
10291   if (IS_BALLOON_ELEMENT(properties_element))
10292     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10293
10294   if (IS_ENVELOPE(properties_element) ||
10295       IS_MM_ENVELOPE(properties_element))
10296   {
10297     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10298     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10299     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10300     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10301     int envelope_nr = ENVELOPE_NR(properties_element);
10302
10303     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10304     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10305
10306     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10307     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10308
10309     // display counter to choose size of envelope text area
10310     MapCounterButtons(counter1_id);
10311     MapCounterButtons(counter2_id);
10312
10313     // display checkbuttons to choose auto-wrap and alignment properties
10314     MapCheckbuttonGadget(button1_id);
10315     MapCheckbuttonGadget(button2_id);
10316
10317     DrawEnvelopeTextArea(envelope_nr);
10318   }
10319
10320   if (IS_MM_MCDUFFIN(properties_element))
10321   {
10322     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10323     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10324     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10325   }
10326
10327   if (IS_DF_LASER(properties_element))
10328   {
10329     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10330     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10331     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10332   }
10333
10334   if (IS_CUSTOM_ELEMENT(properties_element))
10335   {
10336     // draw stickybutton gadget
10337     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10338
10339     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10340     {
10341       // draw checkbutton gadgets
10342       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10343            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10344         MapCheckbuttonGadget(i);
10345
10346       // draw counter gadgets
10347       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10348            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10349         MapCounterButtons(i);
10350
10351       // draw selectbox gadgets
10352       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10353            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10354         MapSelectboxGadget(i);
10355
10356       // draw textbutton gadgets
10357       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10358
10359       // draw text input gadgets
10360       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10361
10362       // draw drawing area gadgets
10363       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10364
10365       draw_footer_line = TRUE;
10366     }
10367     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10368     {
10369       // draw checkbutton gadgets
10370       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10371            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10372         MapCheckbuttonGadget(i);
10373
10374       // draw counter gadgets
10375       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10376            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10377         MapCounterButtons(i);
10378
10379       // draw selectbox gadgets
10380       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10381            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10382         MapSelectboxGadget(i);
10383
10384       // draw drawing area gadgets
10385       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10386       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10387       DrawCustomContentArea();
10388     }
10389   }
10390   else if (IS_GROUP_ELEMENT(properties_element))
10391   {
10392     // draw stickybutton gadget
10393     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10394
10395     // draw checkbutton gadgets
10396     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10397     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10398
10399     // draw counter gadgets
10400     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10401
10402     // draw selectbox gadgets
10403     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10404
10405     // draw textbutton gadgets
10406     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10407
10408     // draw drawing area gadgets
10409     DrawGroupElementArea();
10410
10411     // draw text input gadgets
10412     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10413
10414     // draw drawing area gadgets
10415     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10416
10417     draw_footer_line = TRUE;
10418   }
10419   else if (IS_EMPTY_ELEMENT(properties_element))
10420   {
10421     // draw stickybutton gadget
10422     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10423
10424     // draw checkbutton gadgets
10425     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10426     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10427
10428     // draw textbutton gadgets
10429     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10430
10431     // draw drawing area gadgets
10432     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10433
10434     draw_footer_line = TRUE;
10435   }
10436
10437   // draw little footer border line above CE/GE use/save template gadgets
10438   if (draw_footer_line)
10439   {
10440     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10441     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10442     int gd_x = gd->x + gd_gi1->border.width / 2;
10443     int gd_y = gd->y + gd_gi1->height - 1;
10444     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10445
10446     if (tab_color != BLACK_PIXEL)               // black => transparent
10447       FillRectangle(drawto,
10448                     SX + ED_ELEMENT_SETTINGS_X(0),
10449                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10450                     ED_TAB_BAR_HEIGHT,
10451                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10452   }
10453 }
10454
10455 static void DrawPropertiesChangeDrawingAreas(void)
10456 {
10457   if (IS_CUSTOM_ELEMENT(properties_element))
10458   {
10459     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10460     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10461     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10462
10463     DrawCustomChangeContentArea();
10464   }
10465
10466   redraw_mask |= REDRAW_FIELD;
10467 }
10468
10469 static void DrawPropertiesChange(void)
10470 {
10471   int i;
10472
10473   // needed to initially set selectbox options for special action options
10474   setSelectboxSpecialActionOptions();
10475
10476   // draw stickybutton gadget
10477   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10478
10479   // draw checkbutton gadgets
10480   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10481        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10482     MapCheckbuttonGadget(i);
10483
10484   // draw counter gadgets
10485   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10486        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10487     MapCounterButtons(i);
10488
10489   // draw selectbox gadgets
10490   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10491        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10492     MapSelectboxGadget(i);
10493
10494   // draw textbutton gadgets
10495   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10496        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10497     MapTextbuttonGadget(i);
10498
10499   // draw graphicbutton gadgets
10500   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10501        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10502     MapGraphicbuttonGadget(i);
10503
10504   // draw drawing area gadgets
10505   DrawPropertiesChangeDrawingAreas();
10506 }
10507
10508 static void DrawEditorElementAnimation(int x, int y)
10509 {
10510   int graphic = el2img(properties_element);
10511   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10512                custom_element.ce_value_fixed_initial :
10513                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10514                custom_element.collect_score_initial : FrameCounter);
10515
10516   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10517 }
10518
10519 static void DrawEditorElementName(int x, int y, int font_nr)
10520 {
10521   char *element_name = getElementInfoText(properties_element);
10522   int font_width = getFontWidth(font_nr);
10523   int font_height = getFontHeight(font_nr);
10524   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10525   int max_chars_per_line = max_text_width / font_width;
10526
10527   if (strlen(element_name) <= max_chars_per_line)
10528     DrawTextS(x, y, font_nr, element_name);
10529   else
10530   {
10531     char buffer[max_chars_per_line + 1];
10532     int next_pos = max_chars_per_line;
10533
10534     strncpy(buffer, element_name, max_chars_per_line);
10535     buffer[max_chars_per_line] = '\0';
10536
10537     if (element_name[max_chars_per_line] == ' ')
10538       next_pos++;
10539     else
10540     {
10541       int i;
10542
10543       for (i = max_chars_per_line - 1; i >= 0; i--)
10544         if (buffer[i] == ' ')
10545           break;
10546
10547       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10548       {
10549         buffer[i] = '\0';
10550         next_pos = i + 1;
10551       }
10552     }
10553
10554     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10555
10556     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10557     buffer[max_chars_per_line] = '\0';
10558
10559     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10560   }
10561 }
10562
10563 static void DrawPropertiesWindow(void)
10564 {
10565   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10566   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10567   int border_size = gd->border_size;
10568   int font_nr = FONT_TEXT_1;
10569   int font_height = getFontHeight(font_nr);
10570   int xoffset = TILEX + element_border + 3 * border_size;
10571   int yoffset = (TILEY - font_height) / 2;
10572   int x1 = editor.settings.element_graphic.x + element_border;
10573   int y1 = editor.settings.element_graphic.y + element_border;
10574   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10575             editor.settings.element_name.x);
10576   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10577             editor.settings.element_name.y);
10578   char *text = "Element Settings";
10579   int font2_nr = FONT_TITLE_1;
10580   struct MenuPosInfo *pos = &editor.settings.headline;
10581   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10582   int sy = SY + pos->y;
10583
10584   stick_element_properties_window = FALSE;
10585
10586   // make sure that previous properties edit mode exists for this element
10587   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10588       !IS_CUSTOM_ELEMENT(properties_element))
10589     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10590
10591   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10592       !IS_PLAYER_ELEMENT(properties_element) &&
10593       !IS_CUSTOM_ELEMENT(properties_element))
10594     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10595
10596   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10597       (IS_PLAYER_ELEMENT(properties_element) ||
10598        IS_CUSTOM_ELEMENT(properties_element)))
10599     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10600
10601   CopyElementPropertiesToEditor(properties_element);
10602
10603   UnmapLevelEditorFieldGadgets();
10604   UnmapLevelEditorToolboxDrawingGadgets();
10605   UnmapLevelEditorToolboxCustomGadgets();
10606
10607   if (IS_CUSTOM_ELEMENT(properties_element) ||
10608       IS_GROUP_ELEMENT(properties_element))
10609     MapLevelEditorToolboxCustomGadgets();
10610
10611   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10612   ClearField();
10613
10614   DrawText(sx, sy, text, font2_nr);
10615
10616   FrameCounter = 0;     // restart animation frame counter
10617
10618   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10619   DrawEditorElementAnimation(SX + x1, SY + y1);
10620   DrawEditorElementName(x2, y2, font_nr);
10621
10622   DrawPropertiesTabulatorGadgets();
10623
10624   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10625     DrawPropertiesInfo();
10626   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10627     DrawPropertiesChange();
10628   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10629     DrawPropertiesConfig();
10630 }
10631
10632 static void DrawPaletteWindow(void)
10633 {
10634   int i;
10635
10636   UnmapLevelEditorFieldGadgets();
10637
10638   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10639   ClearField();
10640
10641   // map buttons to select elements
10642   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10643     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10644   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10645   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10646   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10647 }
10648
10649 static void UpdateCustomElementGraphicGadgets(void)
10650 {
10651   int i;
10652
10653   InitElementPropertiesGfxElement();
10654
10655   ModifyEditorElementList();
10656   RedrawDrawingElements();
10657
10658   // force redraw of all mapped drawing area gadgets
10659   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10660   {
10661     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10662
10663     if (gi->mapped)
10664       MapDrawingArea(i);
10665   }
10666 }
10667
10668 static int getOpenDirectionFromTube(int element)
10669 {
10670   switch (element)
10671   {
10672     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10673     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10674     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10675     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10676     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10677     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10678     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10679     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10680     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10681     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10682     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10683   }
10684
10685   return MV_NONE;
10686 }
10687
10688 static int getTubeFromOpenDirection(int direction)
10689 {
10690   switch (direction)
10691   {
10692     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10693     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10694     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10695     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10696     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10697     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10698     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10699     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10700     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10701     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10702     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10703
10704     // if only one direction, fall back to simple tube with that direction
10705     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10706     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10707     case (MV_UP):                       return EL_TUBE_VERTICAL;
10708     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10709   }
10710
10711   return EL_EMPTY;
10712 }
10713
10714 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10715 {
10716   int element_new = getTubeFromOpenDirection(direction);
10717
10718   return (element_new != EL_EMPTY ? element_new : element_old);
10719 }
10720
10721 static int getOpenDirectionFromBelt(int element)
10722 {
10723   int belt_dir = getBeltDirFromBeltElement(element);
10724
10725   return (belt_dir == MV_LEFT ? MV_RIGHT :
10726           belt_dir == MV_RIGHT ? MV_LEFT :
10727           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10728 }
10729
10730 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10731 {
10732   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10733                   direction == MV_RIGHT ? MV_LEFT :
10734                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10735
10736   if (direction == MV_NONE)
10737     return EL_EMPTY;
10738
10739   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10740 }
10741
10742 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10743                                                  int element_old)
10744 {
10745   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10746
10747   return (element_new != EL_EMPTY ? element_new : element_old);
10748 }
10749
10750 static int getOpenDirectionFromPool(int element)
10751 {
10752   switch (element)
10753   {
10754     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10755     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10756     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10757     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10758     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10759     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10760   }
10761
10762   return MV_NONE;
10763 }
10764
10765 static int getPoolFromOpenDirection(int direction)
10766 {
10767   switch (direction)
10768   {
10769     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10770     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10771     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10772     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10773     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10774     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10775   }
10776
10777   return EL_EMPTY;
10778 }
10779
10780 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10781 {
10782   int element = getPoolFromOpenDirection(direction);
10783   int help_direction = getOpenDirectionFromPool(help_element);
10784
10785   if (element == EL_EMPTY)
10786   {
10787     int help_direction_vertical = help_direction & MV_VERTICAL;
10788
10789     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10790   }
10791
10792   if (element == EL_EMPTY)
10793   {
10794     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10795
10796     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10797   }
10798
10799   return element;
10800 }
10801
10802 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10803 {
10804   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10805
10806   return (element_new != EL_EMPTY ? element_new : element_old);
10807 }
10808
10809 static int getOpenDirectionFromPillar(int element)
10810 {
10811   switch (element)
10812   {
10813     case EL_EMC_WALL_1:                 return (MV_DOWN);
10814     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10815     case EL_EMC_WALL_3:                 return (MV_UP);
10816   }
10817
10818   return MV_NONE;
10819 }
10820
10821 static int getPillarFromOpenDirection(int direction)
10822 {
10823   switch (direction)
10824   {
10825     case (MV_DOWN):                     return EL_EMC_WALL_1;
10826     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10827     case (MV_UP):                       return EL_EMC_WALL_3;
10828   }
10829
10830   return EL_EMPTY;
10831 }
10832
10833 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10834 {
10835   int element_new = getPillarFromOpenDirection(direction);
10836
10837   return (element_new != EL_EMPTY ? element_new : element_old);
10838 }
10839
10840 static int getOpenDirectionFromSteel2(int element)
10841 {
10842   switch (element)
10843   {
10844     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10845     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10846     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10847     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10848     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10849     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10850     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10851     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10852   }
10853
10854   return MV_NONE;
10855 }
10856
10857 static int getSteel2FromOpenDirection(int direction)
10858 {
10859   switch (direction)
10860   {
10861     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10862     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10863     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10864     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10865     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10866     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10867     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10868     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10869   }
10870
10871   return EL_EMPTY;
10872 }
10873
10874 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10875 {
10876   int element_new = getSteel2FromOpenDirection(direction);
10877
10878   return (element_new != EL_EMPTY ? element_new : element_old);
10879 }
10880
10881 static int getOpenDirectionFromChip(int element)
10882 {
10883   switch (element)
10884   {
10885     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10886     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10887     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10888     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10889     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10890   }
10891
10892   return MV_NONE;
10893 }
10894
10895 static int getChipFromOpenDirection(int direction)
10896 {
10897   switch (direction)
10898   {
10899     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10900     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10901     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10902     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10903     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10904   }
10905
10906   return EL_EMPTY;
10907 }
10908
10909 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10910 {
10911   int element_new = getChipFromOpenDirection(direction);
10912
10913   return (element_new != EL_EMPTY ? element_new : element_old);
10914 }
10915
10916 static int getClosedTube(int x, int y)
10917 {
10918   struct XY *xy = xy_directions;
10919   int element_old = IntelliDrawBuffer[x][y];
10920   int direction_old = getOpenDirectionFromTube(element_old);
10921   int direction_new = MV_NONE;
10922   int i;
10923
10924   for (i = 0; i < NUM_DIRECTIONS; i++)
10925   {
10926     int xx = x + xy[i].x;
10927     int yy = y + xy[i].y;
10928     int dir = MV_DIR_FROM_BIT(i);
10929     int dir_opposite = MV_DIR_OPPOSITE(dir);
10930
10931     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10932         (direction_old & dir) &&
10933         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10934       direction_new |= dir;
10935   }
10936
10937   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10938 }
10939
10940 static int getClosedBelt(int x, int y)
10941 {
10942   struct XY *xy = xy_directions;
10943   int element_old = IntelliDrawBuffer[x][y];
10944   int nr = getBeltNrFromBeltElement(element_old);
10945   int direction_old = getOpenDirectionFromBelt(element_old);
10946   int direction_new = MV_NONE;
10947   int i;
10948
10949   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10950   {
10951     int xx = x + xy[i].x;
10952     int yy = y + xy[i].y;
10953     int dir = MV_DIR_FROM_BIT(i);
10954     int dir_opposite = MV_DIR_OPPOSITE(dir);
10955
10956     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10957         (direction_old & dir) &&
10958         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10959       direction_new |= dir;
10960   }
10961
10962   return getBeltFromNrAndOpenDirection(nr, direction_new);
10963 }
10964
10965 static int getClosedPool(int x, int y)
10966 {
10967   struct XY *xy = xy_directions;
10968   int element_old = IntelliDrawBuffer[x][y];
10969   int direction_old = getOpenDirectionFromPool(element_old);
10970   int direction_new = MV_NONE;
10971   int i;
10972
10973   for (i = 0; i < NUM_DIRECTIONS; i++)
10974   {
10975     int xx = x + xy[i].x;
10976     int yy = y + xy[i].y;
10977     int dir = MV_DIR_FROM_BIT(i);
10978     int dir_opposite = MV_DIR_OPPOSITE(dir);
10979
10980     if (IN_LEV_FIELD(xx, yy) &&
10981         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10982         (direction_old & dir) &&
10983         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10984       direction_new |= dir;
10985   }
10986
10987   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10988 }
10989
10990 static int getClosedPillar(int x, int y)
10991 {
10992   struct XY *xy = xy_directions;
10993   int element_old = IntelliDrawBuffer[x][y];
10994   int direction_old = getOpenDirectionFromPillar(element_old);
10995   int direction_new = MV_NONE;
10996   int i;
10997
10998   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10999   {
11000     int xx = x + xy[i].x;
11001     int yy = y + xy[i].y;
11002     int dir = MV_DIR_FROM_BIT(i);
11003     int dir_opposite = MV_DIR_OPPOSITE(dir);
11004
11005     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11006         (direction_old & dir) &&
11007         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11008       direction_new |= dir;
11009   }
11010
11011   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11012 }
11013
11014 static int getClosedSteel2(int x, int y)
11015 {
11016   struct XY *xy = xy_directions;
11017   int element_old = IntelliDrawBuffer[x][y];
11018   int direction_old = getOpenDirectionFromSteel2(element_old);
11019   int direction_new = MV_NONE;
11020   int i;
11021
11022   for (i = 0; i < NUM_DIRECTIONS; i++)
11023   {
11024     int xx = x + xy[i].x;
11025     int yy = y + xy[i].y;
11026     int dir = MV_DIR_FROM_BIT(i);
11027     int dir_opposite = MV_DIR_OPPOSITE(dir);
11028
11029     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11030         (direction_old & dir) &&
11031         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11032       direction_new |= dir;
11033   }
11034
11035   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11036 }
11037
11038 static int getClosedChip(int x, int y)
11039 {
11040   struct XY *xy = xy_directions;
11041   int element_old = IntelliDrawBuffer[x][y];
11042   int direction_old = getOpenDirectionFromChip(element_old);
11043   int direction_new = MV_NONE;
11044   int i;
11045
11046   for (i = 0; i < NUM_DIRECTIONS; i++)
11047   {
11048     int xx = x + xy[i].x;
11049     int yy = y + xy[i].y;
11050     int dir = MV_DIR_FROM_BIT(i);
11051     int dir_opposite = MV_DIR_OPPOSITE(dir);
11052
11053     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11054         (direction_old & dir) &&
11055         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11056       direction_new |= dir;
11057   }
11058
11059   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11060 }
11061
11062 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11063                                 boolean change_level)
11064 {
11065   int sx = x - level_xpos;
11066   int sy = y - level_ypos;
11067   int old_element = Tile[x][y];
11068   int new_element = element;
11069   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11070   boolean draw_masked = FALSE;
11071
11072   if (IS_MM_WALL_EDITOR(element))
11073   {
11074     element = map_mm_wall_element_editor(element) | new_bitmask;
11075
11076     if (IS_MM_WALL(old_element))
11077       element |= MM_WALL_BITS(old_element);
11078
11079     if (!change_level)
11080       draw_masked = TRUE;
11081   }
11082   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11083   {
11084     int element_changed = old_element & ~new_bitmask;
11085
11086     if (MM_WALL_BITS(element_changed) != 0)
11087       element = element_changed;
11088   }
11089
11090   IntelliDrawBuffer[x][y] = element;
11091
11092   if (change_level)
11093     Tile[x][y] = element;
11094
11095   if (IN_ED_FIELD(sx, sy))
11096   {
11097     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11098       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11099     else if (draw_masked)
11100       DrawEditorElementThruMask(sx, sy, element);
11101     else
11102       DrawEditorElement(sx, sy, element);
11103   }
11104 }
11105
11106 static void SetElementSimple(int x, int y, int element, boolean change_level)
11107 {
11108   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11109 }
11110
11111 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11112                                            int x2, int y2, int *element2,
11113                                            int (*close_function)(int, int),
11114                                            boolean change_level)
11115 {
11116   // set neighbour elements to newly determined connections
11117   SetElementSimple(x1, y1, *element1, change_level);
11118   SetElementSimple(x2, y2, *element2, change_level);
11119
11120   // remove all open connections of neighbour elements
11121   *element1 = close_function(x1, y1);
11122   *element2 = close_function(x2, y2);
11123
11124   // set neighbour elements to new, minimized connections
11125   SetElementSimple(x1, y1, *element1, change_level);
11126   SetElementSimple(x2, y2, *element2, change_level);
11127 }
11128
11129 static void SetElementIntelliDraw(int x, int y, int new_element,
11130                                   boolean change_level, int button)
11131 {
11132   struct XY *xy = xy_directions;
11133   static int last_x = -1;
11134   static int last_y = -1;
11135
11136   if (new_element == EL_UNDEFINED)
11137   {
11138     last_x = -1;
11139     last_y = -1;
11140
11141     return;
11142   }
11143
11144   int old_element = IntelliDrawBuffer[x][y];
11145
11146   if (IS_TUBE(new_element))
11147   {
11148     int last_element_new = EL_UNDEFINED;
11149     int direction = MV_NONE;
11150     int i;
11151
11152     // if old element is of same kind, keep all existing directions
11153     if (IS_TUBE(old_element))
11154       direction |= getOpenDirectionFromTube(old_element);
11155
11156     for (i = 0; i < NUM_DIRECTIONS; i++)
11157     {
11158       int xx = x + xy[i].x;
11159       int yy = y + xy[i].y;
11160
11161       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11162           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11163       {
11164         int dir = MV_DIR_FROM_BIT(i);
11165         int dir_opposite = MV_DIR_OPPOSITE(dir);
11166         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11167         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11168         int last_direction_new = last_direction_old | dir_opposite;
11169
11170         last_element_new = getTubeFromOpenDirection(last_direction_new);
11171
11172         direction |= dir;
11173       }
11174     }
11175
11176     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11177
11178     if (last_element_new != EL_UNDEFINED)
11179       MergeAndCloseNeighbourElements(x, y, &new_element,
11180                                      last_x, last_y, &last_element_new,
11181                                      getClosedTube, change_level);
11182   }
11183   else if (IS_BELT(new_element))
11184   {
11185     int belt_nr = getBeltNrFromBeltElement(new_element);
11186     int last_element_new = EL_UNDEFINED;
11187     int direction = MV_NONE;
11188     int i;
11189
11190     // if old element is of same kind, keep all existing directions
11191     if (IS_BELT(old_element))
11192       direction |= getOpenDirectionFromBelt(old_element);
11193
11194     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11195     {
11196       int xx = x + xy[i].x;
11197       int yy = y + xy[i].y;
11198
11199       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11200           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11201       {
11202         int dir = MV_DIR_FROM_BIT(i);
11203         int dir_opposite = MV_DIR_OPPOSITE(dir);
11204         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11205         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11206         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11207         int last_direction_new = last_direction_old | dir_opposite;
11208
11209         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11210                                                          last_direction_new);
11211         direction |= dir;
11212       }
11213     }
11214
11215     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11216                                                         new_element);
11217     if (last_element_new != EL_UNDEFINED)
11218       MergeAndCloseNeighbourElements(x, y, &new_element,
11219                                      last_x, last_y, &last_element_new,
11220                                      getClosedBelt, change_level);
11221   }
11222   else if (IS_ACID_POOL_OR_ACID(new_element))
11223   {
11224     int last_element_new = EL_UNDEFINED;
11225     int direction = MV_NONE;
11226     int i;
11227
11228     // if old element is of same kind, keep all existing directions
11229     if (IS_ACID_POOL_OR_ACID(old_element))
11230       direction |= getOpenDirectionFromPool(old_element);
11231
11232     for (i = 0; i < NUM_DIRECTIONS; i++)
11233     {
11234       int xx = x + xy[i].x;
11235       int yy = y + xy[i].y;
11236
11237       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11238           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11239       {
11240         int dir = MV_DIR_FROM_BIT(i);
11241         int dir_opposite = MV_DIR_OPPOSITE(dir);
11242         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11243         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11244         int last_direction_new = last_direction_old | dir_opposite;
11245
11246         last_element_new = getPoolFromOpenDirection(last_direction_new);
11247
11248         direction |= dir;
11249       }
11250     }
11251
11252     // special corrections needed for intuitively correct acid pool drawing
11253     if (last_element_new == EL_EMPTY)
11254       last_element_new = new_element;
11255     else if (last_element_new != EL_UNDEFINED)
11256       new_element = last_element_new;
11257
11258     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11259
11260     if (last_element_new != EL_UNDEFINED)
11261       MergeAndCloseNeighbourElements(x, y, &new_element,
11262                                      last_x, last_y, &last_element_new,
11263                                      getClosedPool, change_level);
11264   }
11265   else if (IS_EMC_PILLAR(new_element))
11266   {
11267     int last_element_new = EL_UNDEFINED;
11268     int direction = MV_NONE;
11269     int i;
11270
11271     // if old element is of same kind, keep all existing directions
11272     if (IS_EMC_PILLAR(old_element))
11273       direction |= getOpenDirectionFromPillar(old_element);
11274
11275     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11276     {
11277       int xx = x + xy[i].x;
11278       int yy = y + xy[i].y;
11279
11280       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11281           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11282       {
11283         int dir = MV_DIR_FROM_BIT(i);
11284         int dir_opposite = MV_DIR_OPPOSITE(dir);
11285         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11286         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11287         int last_direction_new = last_direction_old | dir_opposite;
11288
11289         last_element_new = getPillarFromOpenDirection(last_direction_new);
11290
11291         direction |= dir;
11292       }
11293     }
11294
11295     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11296
11297     if (last_element_new != EL_UNDEFINED)
11298       MergeAndCloseNeighbourElements(x, y, &new_element,
11299                                      last_x, last_y, &last_element_new,
11300                                      getClosedPillar, change_level);
11301   }
11302   else if (IS_DC_STEELWALL_2(new_element))
11303   {
11304     int last_element_new = EL_UNDEFINED;
11305     int direction = MV_NONE;
11306     int i;
11307
11308     // if old element is of same kind, keep all existing directions
11309     if (IS_DC_STEELWALL_2(old_element))
11310       direction |= getOpenDirectionFromSteel2(old_element);
11311
11312     for (i = 0; i < NUM_DIRECTIONS; i++)
11313     {
11314       int xx = x + xy[i].x;
11315       int yy = y + xy[i].y;
11316
11317       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11318           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11319       {
11320         int dir = MV_DIR_FROM_BIT(i);
11321         int dir_opposite = MV_DIR_OPPOSITE(dir);
11322         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11323         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11324         int last_direction_new = last_direction_old | dir_opposite;
11325
11326         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11327
11328         direction |= dir;
11329       }
11330     }
11331
11332     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11333
11334     if (last_element_new != EL_UNDEFINED)
11335       MergeAndCloseNeighbourElements(x, y, &new_element,
11336                                      last_x, last_y, &last_element_new,
11337                                      getClosedSteel2, change_level);
11338   }
11339   else if (IS_SP_CHIP(new_element))
11340   {
11341     int last_element_new = EL_UNDEFINED;
11342     int direction = MV_NONE;
11343     int i;
11344
11345     // (do not keep existing directions, regardless of kind of old element)
11346
11347     for (i = 0; i < NUM_DIRECTIONS; i++)
11348     {
11349       int xx = x + xy[i].x;
11350       int yy = y + xy[i].y;
11351
11352       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11353           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11354       {
11355         int dir = MV_DIR_FROM_BIT(i);
11356         int dir_opposite = MV_DIR_OPPOSITE(dir);
11357         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11358         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11359         int last_direction_new = last_direction_old | dir_opposite;
11360
11361         if (last_direction_old == MV_NONE)
11362         {
11363           last_element_new = getChipFromOpenDirection(last_direction_new);
11364           direction |= dir;
11365         }
11366         else if (last_direction_old & (dir | dir_opposite))
11367         {
11368           direction |= MV_DIR_OPPOSITE(last_direction_old);
11369         }
11370         else
11371         {
11372           direction |= MV_DIR_OPPOSITE(dir);
11373         }
11374       }
11375     }
11376
11377     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11378
11379     if (last_element_new != EL_UNDEFINED)
11380       MergeAndCloseNeighbourElements(x, y, &new_element,
11381                                      last_x, last_y, &last_element_new,
11382                                      getClosedChip, change_level);
11383   }
11384   else if (IS_SP_HARDWARE_BASE(new_element))
11385   {
11386     int nr = GetSimpleRandom(6);
11387
11388     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11389                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11390                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11391                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11392                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11393   }
11394   else if (new_element == EL_SP_HARDWARE_GREEN ||
11395            new_element == EL_SP_HARDWARE_BLUE ||
11396            new_element == EL_SP_HARDWARE_RED)
11397   {
11398     int nr = GetSimpleRandom(3);
11399
11400     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11401                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11402   }
11403   else if (IS_GROUP_ELEMENT(new_element))
11404   {
11405     boolean connected_drawing = FALSE;
11406     int i;
11407
11408     for (i = 0; i < NUM_DIRECTIONS; i++)
11409     {
11410       int xx = x + xy[i].x;
11411       int yy = y + xy[i].y;
11412
11413       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11414           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11415         connected_drawing = TRUE;
11416     }
11417
11418     if (!connected_drawing)
11419       ResolveGroupElement(new_element);
11420
11421     new_element = GetElementFromGroupElement(new_element);
11422   }
11423   else if (IS_BELT_SWITCH(old_element))
11424   {
11425     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11426     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11427
11428     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11429                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11430
11431     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11432   }
11433   else
11434   {
11435     static int swappable_elements[][2] =
11436     {
11437       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11438       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11439       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11440       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11441       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11442       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11443       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11444       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11445       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11446       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11447       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11448       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11449       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11450       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11451       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11452       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11453       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11454       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11455       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11456       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11457       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11458       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11459       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11460       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11461       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11462       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11463       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11464       { EL_PEARL,                       EL_WALL_PEARL                   },
11465       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11466       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11467       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11468       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11469       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11470       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11471       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11472       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11473       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11474       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11475       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11476       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11477       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11478       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11479       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11480       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11481
11482       { -1,                             -1                              },
11483     };
11484     static int rotatable_elements_4[][4] =
11485     {
11486       {
11487         EL_BUG_UP,
11488         EL_BUG_RIGHT,
11489         EL_BUG_DOWN,
11490         EL_BUG_LEFT
11491       },
11492       {
11493         EL_SPACESHIP_UP,
11494         EL_SPACESHIP_RIGHT,
11495         EL_SPACESHIP_DOWN,
11496         EL_SPACESHIP_LEFT
11497       },
11498       {
11499         EL_BD_BUTTERFLY_UP,
11500         EL_BD_BUTTERFLY_RIGHT,
11501         EL_BD_BUTTERFLY_DOWN,
11502         EL_BD_BUTTERFLY_LEFT
11503       },
11504       {
11505         EL_BD_FIREFLY_UP,
11506         EL_BD_FIREFLY_RIGHT,
11507         EL_BD_FIREFLY_DOWN,
11508         EL_BD_FIREFLY_LEFT
11509       },
11510       {
11511         EL_PACMAN_UP,
11512         EL_PACMAN_RIGHT,
11513         EL_PACMAN_DOWN,
11514         EL_PACMAN_LEFT
11515       },
11516       {
11517         EL_YAMYAM_UP,
11518         EL_YAMYAM_RIGHT,
11519         EL_YAMYAM_DOWN,
11520         EL_YAMYAM_LEFT
11521       },
11522       {
11523         EL_ARROW_UP,
11524         EL_ARROW_RIGHT,
11525         EL_ARROW_DOWN,
11526         EL_ARROW_LEFT
11527       },
11528       {
11529         EL_SP_PORT_UP,
11530         EL_SP_PORT_RIGHT,
11531         EL_SP_PORT_DOWN,
11532         EL_SP_PORT_LEFT
11533       },
11534       {
11535         EL_SP_GRAVITY_PORT_UP,
11536         EL_SP_GRAVITY_PORT_RIGHT,
11537         EL_SP_GRAVITY_PORT_DOWN,
11538         EL_SP_GRAVITY_PORT_LEFT
11539       },
11540       {
11541         EL_SP_GRAVITY_ON_PORT_UP,
11542         EL_SP_GRAVITY_ON_PORT_RIGHT,
11543         EL_SP_GRAVITY_ON_PORT_DOWN,
11544         EL_SP_GRAVITY_ON_PORT_LEFT
11545       },
11546       {
11547         EL_SP_GRAVITY_OFF_PORT_UP,
11548         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11549         EL_SP_GRAVITY_OFF_PORT_DOWN,
11550         EL_SP_GRAVITY_OFF_PORT_LEFT
11551       },
11552       {
11553         EL_MOLE_UP,
11554         EL_MOLE_RIGHT,
11555         EL_MOLE_DOWN,
11556         EL_MOLE_LEFT
11557       },
11558       {
11559         EL_BALLOON_SWITCH_UP,
11560         EL_BALLOON_SWITCH_RIGHT,
11561         EL_BALLOON_SWITCH_DOWN,
11562         EL_BALLOON_SWITCH_LEFT
11563       },
11564       {
11565         EL_MM_MCDUFFIN_UP,
11566         EL_MM_MCDUFFIN_RIGHT,
11567         EL_MM_MCDUFFIN_DOWN,
11568         EL_MM_MCDUFFIN_LEFT
11569       },
11570       {
11571         EL_MM_MIRROR_FIXED_1,
11572         EL_MM_MIRROR_FIXED_4,
11573         EL_MM_MIRROR_FIXED_3,
11574         EL_MM_MIRROR_FIXED_2
11575       },
11576       {
11577         EL_MM_STEEL_GRID_FIXED_1,
11578         EL_MM_STEEL_GRID_FIXED_4,
11579         EL_MM_STEEL_GRID_FIXED_2,
11580         EL_MM_STEEL_GRID_FIXED_3
11581       },
11582       {
11583         EL_MM_WOODEN_GRID_FIXED_1,
11584         EL_MM_WOODEN_GRID_FIXED_4,
11585         EL_MM_WOODEN_GRID_FIXED_2,
11586         EL_MM_WOODEN_GRID_FIXED_3
11587       },
11588       {
11589         EL_MM_POLARIZER_CROSS_1,
11590         EL_MM_POLARIZER_CROSS_4,
11591         EL_MM_POLARIZER_CROSS_3,
11592         EL_MM_POLARIZER_CROSS_2
11593       },
11594       {
11595         EL_MM_PACMAN_UP,
11596         EL_MM_PACMAN_RIGHT,
11597         EL_MM_PACMAN_DOWN,
11598         EL_MM_PACMAN_LEFT
11599       },
11600       {
11601         EL_DF_LASER_UP,
11602         EL_DF_LASER_RIGHT,
11603         EL_DF_LASER_DOWN,
11604         EL_DF_LASER_LEFT
11605       },
11606       {
11607         EL_DF_RECEIVER_UP,
11608         EL_DF_RECEIVER_RIGHT,
11609         EL_DF_RECEIVER_DOWN,
11610         EL_DF_RECEIVER_LEFT
11611       },
11612
11613       {
11614         -1,
11615       },
11616     };
11617     static int rotatable_elements_8[][8] =
11618     {
11619       {
11620         EL_DF_STEEL_GRID_FIXED_1,
11621         EL_DF_STEEL_GRID_FIXED_8,
11622         EL_DF_STEEL_GRID_FIXED_7,
11623         EL_DF_STEEL_GRID_FIXED_6,
11624         EL_DF_STEEL_GRID_FIXED_5,
11625         EL_DF_STEEL_GRID_FIXED_4,
11626         EL_DF_STEEL_GRID_FIXED_3,
11627         EL_DF_STEEL_GRID_FIXED_2
11628       },
11629       {
11630         EL_DF_WOODEN_GRID_FIXED_1,
11631         EL_DF_WOODEN_GRID_FIXED_8,
11632         EL_DF_WOODEN_GRID_FIXED_7,
11633         EL_DF_WOODEN_GRID_FIXED_6,
11634         EL_DF_WOODEN_GRID_FIXED_5,
11635         EL_DF_WOODEN_GRID_FIXED_4,
11636         EL_DF_WOODEN_GRID_FIXED_3,
11637         EL_DF_WOODEN_GRID_FIXED_2
11638       },
11639       {
11640         EL_DF_STEEL_GRID_ROTATING_1,
11641         EL_DF_STEEL_GRID_ROTATING_8,
11642         EL_DF_STEEL_GRID_ROTATING_7,
11643         EL_DF_STEEL_GRID_ROTATING_6,
11644         EL_DF_STEEL_GRID_ROTATING_5,
11645         EL_DF_STEEL_GRID_ROTATING_4,
11646         EL_DF_STEEL_GRID_ROTATING_3,
11647         EL_DF_STEEL_GRID_ROTATING_2
11648       },
11649       {
11650         EL_DF_WOODEN_GRID_ROTATING_1,
11651         EL_DF_WOODEN_GRID_ROTATING_8,
11652         EL_DF_WOODEN_GRID_ROTATING_7,
11653         EL_DF_WOODEN_GRID_ROTATING_6,
11654         EL_DF_WOODEN_GRID_ROTATING_5,
11655         EL_DF_WOODEN_GRID_ROTATING_4,
11656         EL_DF_WOODEN_GRID_ROTATING_3,
11657         EL_DF_WOODEN_GRID_ROTATING_2
11658       },
11659
11660       {
11661         -1,
11662       },
11663     };
11664     static int rotatable_elements_16[][16] =
11665     {
11666       {
11667         EL_MM_MIRROR_1,
11668         EL_MM_MIRROR_16,
11669         EL_MM_MIRROR_15,
11670         EL_MM_MIRROR_14,
11671         EL_MM_MIRROR_13,
11672         EL_MM_MIRROR_12,
11673         EL_MM_MIRROR_11,
11674         EL_MM_MIRROR_10,
11675         EL_MM_MIRROR_9,
11676         EL_MM_MIRROR_8,
11677         EL_MM_MIRROR_7,
11678         EL_MM_MIRROR_6,
11679         EL_MM_MIRROR_5,
11680         EL_MM_MIRROR_4,
11681         EL_MM_MIRROR_3,
11682         EL_MM_MIRROR_2
11683       },
11684       {
11685         EL_MM_TELEPORTER_5,
11686         EL_MM_TELEPORTER_4,
11687         EL_MM_TELEPORTER_3,
11688         EL_MM_TELEPORTER_2,
11689         EL_MM_TELEPORTER_1,
11690         EL_MM_TELEPORTER_16,
11691         EL_MM_TELEPORTER_15,
11692         EL_MM_TELEPORTER_14,
11693         EL_MM_TELEPORTER_13,
11694         EL_MM_TELEPORTER_12,
11695         EL_MM_TELEPORTER_11,
11696         EL_MM_TELEPORTER_10,
11697         EL_MM_TELEPORTER_9,
11698         EL_MM_TELEPORTER_8,
11699         EL_MM_TELEPORTER_7,
11700         EL_MM_TELEPORTER_6
11701       },
11702       {
11703         EL_MM_TELEPORTER_RED_5,
11704         EL_MM_TELEPORTER_RED_4,
11705         EL_MM_TELEPORTER_RED_3,
11706         EL_MM_TELEPORTER_RED_2,
11707         EL_MM_TELEPORTER_RED_1,
11708         EL_MM_TELEPORTER_RED_16,
11709         EL_MM_TELEPORTER_RED_15,
11710         EL_MM_TELEPORTER_RED_14,
11711         EL_MM_TELEPORTER_RED_13,
11712         EL_MM_TELEPORTER_RED_12,
11713         EL_MM_TELEPORTER_RED_11,
11714         EL_MM_TELEPORTER_RED_10,
11715         EL_MM_TELEPORTER_RED_9,
11716         EL_MM_TELEPORTER_RED_8,
11717         EL_MM_TELEPORTER_RED_7,
11718         EL_MM_TELEPORTER_RED_6
11719       },
11720       {
11721         EL_MM_TELEPORTER_YELLOW_5,
11722         EL_MM_TELEPORTER_YELLOW_4,
11723         EL_MM_TELEPORTER_YELLOW_3,
11724         EL_MM_TELEPORTER_YELLOW_2,
11725         EL_MM_TELEPORTER_YELLOW_1,
11726         EL_MM_TELEPORTER_YELLOW_16,
11727         EL_MM_TELEPORTER_YELLOW_15,
11728         EL_MM_TELEPORTER_YELLOW_14,
11729         EL_MM_TELEPORTER_YELLOW_13,
11730         EL_MM_TELEPORTER_YELLOW_12,
11731         EL_MM_TELEPORTER_YELLOW_11,
11732         EL_MM_TELEPORTER_YELLOW_10,
11733         EL_MM_TELEPORTER_YELLOW_9,
11734         EL_MM_TELEPORTER_YELLOW_8,
11735         EL_MM_TELEPORTER_YELLOW_7,
11736         EL_MM_TELEPORTER_YELLOW_6
11737       },
11738       {
11739         EL_MM_TELEPORTER_GREEN_5,
11740         EL_MM_TELEPORTER_GREEN_4,
11741         EL_MM_TELEPORTER_GREEN_3,
11742         EL_MM_TELEPORTER_GREEN_2,
11743         EL_MM_TELEPORTER_GREEN_1,
11744         EL_MM_TELEPORTER_GREEN_16,
11745         EL_MM_TELEPORTER_GREEN_15,
11746         EL_MM_TELEPORTER_GREEN_14,
11747         EL_MM_TELEPORTER_GREEN_13,
11748         EL_MM_TELEPORTER_GREEN_12,
11749         EL_MM_TELEPORTER_GREEN_11,
11750         EL_MM_TELEPORTER_GREEN_10,
11751         EL_MM_TELEPORTER_GREEN_9,
11752         EL_MM_TELEPORTER_GREEN_8,
11753         EL_MM_TELEPORTER_GREEN_7,
11754         EL_MM_TELEPORTER_GREEN_6
11755       },
11756       {
11757         EL_MM_TELEPORTER_BLUE_5,
11758         EL_MM_TELEPORTER_BLUE_4,
11759         EL_MM_TELEPORTER_BLUE_3,
11760         EL_MM_TELEPORTER_BLUE_2,
11761         EL_MM_TELEPORTER_BLUE_1,
11762         EL_MM_TELEPORTER_BLUE_16,
11763         EL_MM_TELEPORTER_BLUE_15,
11764         EL_MM_TELEPORTER_BLUE_14,
11765         EL_MM_TELEPORTER_BLUE_13,
11766         EL_MM_TELEPORTER_BLUE_12,
11767         EL_MM_TELEPORTER_BLUE_11,
11768         EL_MM_TELEPORTER_BLUE_10,
11769         EL_MM_TELEPORTER_BLUE_9,
11770         EL_MM_TELEPORTER_BLUE_8,
11771         EL_MM_TELEPORTER_BLUE_7,
11772         EL_MM_TELEPORTER_BLUE_6
11773       },
11774       {
11775         EL_MM_POLARIZER_1,
11776         EL_MM_POLARIZER_16,
11777         EL_MM_POLARIZER_15,
11778         EL_MM_POLARIZER_14,
11779         EL_MM_POLARIZER_13,
11780         EL_MM_POLARIZER_12,
11781         EL_MM_POLARIZER_11,
11782         EL_MM_POLARIZER_10,
11783         EL_MM_POLARIZER_9,
11784         EL_MM_POLARIZER_8,
11785         EL_MM_POLARIZER_7,
11786         EL_MM_POLARIZER_6,
11787         EL_MM_POLARIZER_5,
11788         EL_MM_POLARIZER_4,
11789         EL_MM_POLARIZER_3,
11790         EL_MM_POLARIZER_2
11791       },
11792       {
11793         EL_DF_MIRROR_1,
11794         EL_DF_MIRROR_16,
11795         EL_DF_MIRROR_15,
11796         EL_DF_MIRROR_14,
11797         EL_DF_MIRROR_13,
11798         EL_DF_MIRROR_12,
11799         EL_DF_MIRROR_11,
11800         EL_DF_MIRROR_10,
11801         EL_DF_MIRROR_9,
11802         EL_DF_MIRROR_8,
11803         EL_DF_MIRROR_7,
11804         EL_DF_MIRROR_6,
11805         EL_DF_MIRROR_5,
11806         EL_DF_MIRROR_4,
11807         EL_DF_MIRROR_3,
11808         EL_DF_MIRROR_2
11809       },
11810       {
11811         EL_DF_MIRROR_ROTATING_1,
11812         EL_DF_MIRROR_ROTATING_16,
11813         EL_DF_MIRROR_ROTATING_15,
11814         EL_DF_MIRROR_ROTATING_14,
11815         EL_DF_MIRROR_ROTATING_13,
11816         EL_DF_MIRROR_ROTATING_12,
11817         EL_DF_MIRROR_ROTATING_11,
11818         EL_DF_MIRROR_ROTATING_10,
11819         EL_DF_MIRROR_ROTATING_9,
11820         EL_DF_MIRROR_ROTATING_8,
11821         EL_DF_MIRROR_ROTATING_7,
11822         EL_DF_MIRROR_ROTATING_6,
11823         EL_DF_MIRROR_ROTATING_5,
11824         EL_DF_MIRROR_ROTATING_4,
11825         EL_DF_MIRROR_ROTATING_3,
11826         EL_DF_MIRROR_ROTATING_2
11827       },
11828
11829       {
11830         -1,
11831       },
11832     };
11833     int i, j;
11834
11835     for (i = 0; swappable_elements[i][0] != -1; i++)
11836     {
11837       int element1 = swappable_elements[i][0];
11838       int element2 = swappable_elements[i][1];
11839
11840       if (old_element == element1 || old_element == element2)
11841         new_element = (old_element == element1 ? element2 : element1);
11842     }
11843
11844     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11845     {
11846       for (j = 0; j < 4; j++)
11847       {
11848         int element = rotatable_elements_4[i][j];
11849
11850         if (old_element == element)
11851           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11852                          button == 2 ? rotatable_elements_4[i][0]           :
11853                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11854                          old_element);
11855       }
11856     }
11857
11858     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11859     {
11860       for (j = 0; j < 8; j++)
11861       {
11862         int element = rotatable_elements_8[i][j];
11863
11864         if (old_element == element)
11865           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11866                          button == 2 ? rotatable_elements_8[i][0]           :
11867                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11868                          old_element);
11869       }
11870     }
11871
11872     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11873     {
11874       for (j = 0; j < 16; j++)
11875       {
11876         int element = rotatable_elements_16[i][j];
11877
11878         if (old_element == element)
11879           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11880                          button == 2 ? rotatable_elements_16[i][0]             :
11881                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11882                          old_element);
11883       }
11884     }
11885
11886     if (old_element != new_element)
11887     {
11888       int max_infotext_len = getMaxInfoTextLength();
11889       char infotext[MAX_OUTPUT_LINESIZE + 1];
11890
11891       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11892       infotext[max_infotext_len] = '\0';
11893
11894       ClearEditorGadgetInfoText();
11895
11896       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11897                 infotext);
11898     }
11899   }
11900
11901   SetElementSimple(x, y, new_element, change_level);
11902
11903   last_x = x;
11904   last_y = y;
11905 }
11906
11907 static void ResetIntelliDraw(void)
11908 {
11909   int x, y;
11910
11911   for (x = 0; x < lev_fieldx; x++)
11912     for (y = 0; y < lev_fieldy; y++)
11913       IntelliDrawBuffer[x][y] = Tile[x][y];
11914
11915   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11916 }
11917
11918 static boolean draw_mode_hires = FALSE;
11919
11920 static boolean isHiresTileElement(int element)
11921 {
11922   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11923 }
11924
11925 static boolean isHiresDrawElement(int element)
11926 {
11927   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11928 }
11929
11930 static void SetDrawModeHiRes(int element)
11931 {
11932   draw_mode_hires =
11933     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11934      isHiresDrawElement(element));
11935 }
11936
11937 static boolean getDrawModeHiRes(void)
11938 {
11939   return draw_mode_hires;
11940 }
11941
11942 static int getLoResScreenPos(int pos)
11943 {
11944   return (getDrawModeHiRes() ? pos / 2 : pos);
11945 }
11946
11947 static int getLoResScreenMod(int pos)
11948 {
11949   return (getDrawModeHiRes() ? pos % 2 : 0);
11950 }
11951
11952 static void SetElementExt(int x, int y, int dx, int dy, int element,
11953                           boolean change_level, int button)
11954 {
11955   if (element < 0)
11956     SetElementSimple(x, y, Tile[x][y], change_level);
11957   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11958     SetElementIntelliDraw(x, y, element, change_level, button);
11959   else
11960     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11961 }
11962
11963 static void SetElement(int x, int y, int element)
11964 {
11965   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11966 }
11967
11968 static void SetElementButton(int x, int y, int dx, int dy, int element,
11969                              int button)
11970 {
11971   SetElementExt(x, y, dx, dy, element, TRUE, button);
11972 }
11973
11974 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11975 {
11976   int lx = getLoResScreenPos(sx2) + level_xpos;
11977   int ly = getLoResScreenPos(sy2) + level_ypos;
11978   int dx = getLoResScreenMod(sx2);
11979   int dy = getLoResScreenMod(sy2);
11980
11981   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11982 }
11983
11984 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11985 {
11986   int lx = lx2 / 2;
11987   int ly = ly2 / 2;
11988   int dx = lx2 % 2;
11989   int dy = ly2 % 2;
11990
11991   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11992 }
11993
11994 static int getLevelElementHiRes(int lx2, int ly2)
11995 {
11996   int lx = lx2 / 2;
11997   int ly = ly2 / 2;
11998   int dx = lx2 % 2;
11999   int dy = ly2 % 2;
12000   int element = Tile[lx][ly];
12001   unsigned int bitmask = (dx + 1) << (dy * 2);
12002
12003   if (IS_MM_WALL(element))
12004   {
12005     if (element & bitmask)
12006       return map_mm_wall_element(element);
12007     else
12008       return EL_EMPTY;
12009   }
12010
12011   return element;
12012 }
12013
12014 static void DrawLineElement(int x, int y, int element, boolean change_level)
12015 {
12016   SetElementHiRes(x, y, element, change_level);
12017 }
12018
12019 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12020                      int element, boolean change_level)
12021 {
12022   int xsize = ABS(to_x - from_x);
12023   int ysize = ABS(to_y - from_y);
12024   int dx = (to_x < from_x ? -1 : +1);
12025   int dy = (to_y < from_y ? -1 : +1);
12026   int i;
12027
12028   if (from_y == to_y)                   // horizontal line
12029   {
12030     for (i = 0; i <= xsize; i++)
12031       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12032   }
12033   else if (from_x == to_x)              // vertical line
12034   {
12035     for (i = 0; i <= ysize; i++)
12036       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12037   }
12038   else                                  // diagonal line
12039   {
12040     if (ysize < xsize)                  // a < 1
12041     {
12042       float a = (float)ysize / (float)xsize;
12043
12044       for (i = 0; i <= xsize; i++)
12045       {
12046         int x = dx * i;
12047         int y = dy * (int)(a * i + 0.5);
12048
12049         DrawLineElement(from_x + x, from_y + y, element, change_level);
12050       }
12051     }
12052     else                                // a >= 1
12053     {
12054       float a = (float)xsize / (float)ysize;
12055
12056       for (i = 0; i <= ysize; i++)
12057       {
12058         int x = dx * (int)(a * i + 0.5);
12059         int y = dy * i;
12060
12061         DrawLineElement(from_x + x, from_y + y, element, change_level);
12062       }
12063     }
12064   }
12065 }
12066
12067 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12068                     int element, boolean change_level)
12069 {
12070   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12071   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12072   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12073   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12074 }
12075
12076 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12077                           int element, boolean change_level)
12078 {
12079   int y;
12080
12081   if (from_y > to_y)
12082     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12083
12084   for (y = from_y; y <= to_y; y++)
12085     DrawLine(from_x, y, to_x, y, element, change_level);
12086 }
12087
12088 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12089                        int element, boolean change_level)
12090 {
12091   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12092   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12093   int len_x = ABS(to_x - from_x);
12094   int len_y = ABS(to_y - from_y);
12095   int radius, x, y;
12096
12097   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12098
12099   // not optimal (some points get drawn twice) but simple,
12100   // and fast enough for the few points we are drawing
12101
12102   for (x = 0; x <= radius; x++)
12103   {
12104     int sx, sy, sx2, sy2, lx, ly;
12105
12106     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12107
12108     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12109     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12110     sx = getLoResScreenPos(sx2);
12111     sy = getLoResScreenPos(sy2);
12112     lx = sx + level_xpos;
12113     ly = sy + level_ypos;
12114
12115     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12116       DrawLineElement(sx2, sy2, element, change_level);
12117   }
12118
12119   for (y = 0; y <= radius; y++)
12120   {
12121     int sx, sy, sx2, sy2, lx, ly;
12122
12123     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12124
12125     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12126     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12127     sx = getLoResScreenPos(sx2);
12128     sy = getLoResScreenPos(sy2);
12129     lx = sx + level_xpos;
12130     ly = sy + level_ypos;
12131
12132     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12133       DrawLineElement(sx2, sy2, element, change_level);
12134   }
12135 }
12136
12137 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12138                     int element, boolean change_level)
12139 {
12140   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12141   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12142
12143   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12144 }
12145
12146 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12147
12148 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12149 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12150                        int element, boolean change_level)
12151 {
12152   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12153   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12154   int mirror_to_x2 = from_x - (to_x2 - from_x);
12155   int mirror_to_y2 = from_y - (to_y2 - from_y);
12156
12157   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12158   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12159   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12160   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
12161 }
12162 #endif
12163
12164 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12165 {
12166   int from_sx, from_sy;
12167   int to_sx, to_sy;
12168
12169   if (from_x > to_x)
12170     swap_numbers(&from_x, &to_x);
12171
12172   if (from_y > to_y)
12173     swap_numbers(&from_y, &to_y);
12174
12175   from_sx = SX + from_x * ed_tilesize;
12176   from_sy = SY + from_y * ed_tilesize;
12177   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12178   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12179
12180   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12181   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12182   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12183   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12184
12185   if (from_x == to_x && from_y == to_y)
12186     MarkTileDirty(from_x/2, from_y/2);
12187   else
12188     redraw_mask |= REDRAW_FIELD;
12189 }
12190
12191 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12192                         int element, boolean change_level)
12193 {
12194   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12195 }
12196
12197 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12198                        int element, boolean change_level)
12199 {
12200   if (element == -1 || change_level)
12201     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12202   else
12203     DrawAreaBorder(from_x, from_y, to_x, to_y);
12204 }
12205
12206 // values for CopyBrushExt()
12207 #define CB_AREA_TO_BRUSH                0
12208 #define CB_BRUSH_TO_CURSOR              1
12209 #define CB_BRUSH_TO_LEVEL               2
12210 #define CB_DELETE_OLD_CURSOR            3
12211 #define CB_DUMP_BRUSH                   4
12212 #define CB_DUMP_BRUSH_SMALL             5
12213 #define CB_CLIPBOARD_TO_BRUSH           6
12214 #define CB_BRUSH_TO_CLIPBOARD           7
12215 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12216 #define CB_UPDATE_BRUSH_POSITION        9
12217
12218 #define MAX_CB_PART_SIZE        10
12219 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12220 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12221 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12222                                  MAX_CB_NUM_LINES *     \
12223                                  MAX_CB_PART_SIZE)
12224
12225 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12226 {
12227   DrawLineElement(sx, sy, element, change_level);
12228 }
12229
12230 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12231                          int button, int mode)
12232 {
12233   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12234   static int brush_width, brush_height;
12235   static int last_cursor_x = -1, last_cursor_y = -1;
12236   static boolean delete_old_brush = FALSE;
12237   int new_element = BUTTON_ELEMENT(button);
12238   int x, y;
12239
12240   if (mode == CB_DUMP_BRUSH ||
12241       mode == CB_DUMP_BRUSH_SMALL ||
12242       mode == CB_BRUSH_TO_CLIPBOARD ||
12243       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12244   {
12245     if (edit_mode != ED_MODE_DRAWING)
12246       return;
12247
12248     char part[MAX_CB_PART_SIZE + 1] = "";
12249     char text[MAX_CB_TEXT_SIZE + 1] = "";
12250     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12251     int height = (draw_with_brush ? brush_height : lev_fieldy);
12252     char *format = "%s%03d";
12253
12254     for (y = 0; y < height; y++)
12255       for (x = 0; x < width; x++)
12256         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12257           format = "%s%04d";
12258
12259     for (y = 0; y < height; y++)
12260     {
12261       for (x = 0; x < width; x++)
12262       {
12263         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12264         char *prefix = (mode == CB_DUMP_BRUSH ||
12265                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12266
12267         if (element >= NUM_FILE_ELEMENTS)
12268           element = EL_UNKNOWN;
12269
12270         // copy brush to level sketch text buffer for the R'n'D forum:
12271         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12272         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12273         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12274         strcat(text, part);
12275       }
12276
12277       strcat(text, "\n");
12278     }
12279
12280     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12281         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12282       SDL_SetClipboardText(text);
12283     else
12284       Print("%s", text);        // print brush data to console and log file
12285
12286     return;
12287   }
12288
12289   if (mode == CB_CLIPBOARD_TO_BRUSH)
12290   {
12291     if (edit_mode != ED_MODE_DRAWING)
12292       return;
12293
12294     if (!SDL_HasClipboardText())
12295     {
12296       Request("Clipboard is empty!", REQ_CONFIRM);
12297
12298       return;
12299     }
12300
12301     boolean copy_to_brush = (draw_with_brush ||
12302                              drawing_function == GADGET_ID_GRAB_BRUSH);
12303
12304     // this will delete the old brush, if already drawing with a brush
12305     if (copy_to_brush)
12306       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12307
12308     // initialization is required for "odd" (incomplete) clipboard content
12309     for (x = 0; x < MAX_LEV_FIELDX; x++)
12310       for (y = 0; y < MAX_LEV_FIELDY; y++)
12311         brush_buffer[x][y] = EL_EMPTY;
12312
12313     brush_width  = 0;
12314     brush_height = 0;
12315     x = 0;
12316     y = 0;
12317
12318     char *clipboard_text = SDL_GetClipboardText();
12319     char *ptr = clipboard_text;
12320     boolean allow_new_row = FALSE;
12321     boolean stop = FALSE;
12322
12323     while (*ptr && !stop)
12324     {
12325       boolean prefix_found = FALSE;
12326       boolean start_new_row = FALSE;
12327
12328       // level sketch element number prefixes (may be multi-byte characters)
12329       char *prefix_list[] = { "`", "¸" };
12330       int i;
12331
12332       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12333       {
12334         char *prefix = prefix_list[i];
12335
12336         // check if string is large enough for prefix
12337         if (strlen(ptr) < strlen(prefix))
12338         {
12339           stop = TRUE;
12340
12341           break;
12342         }
12343
12344         // check if string starts with prefix
12345         if (strPrefix(ptr, prefix))
12346         {
12347           ptr += strlen(prefix);
12348
12349           prefix_found = TRUE;
12350
12351           break;
12352         }
12353       }
12354
12355       // check if prefix found and followed by (at least) three digits
12356       if (prefix_found &&
12357           strlen(ptr) >= 3 &&
12358           ptr[0] >= '0' && ptr[0] <= '9' &&
12359           ptr[1] >= '0' && ptr[1] <= '9' &&
12360           ptr[2] >= '0' && ptr[2] <= '9')
12361       {
12362         int element = ((ptr[0] - '0') * 100 +
12363                        (ptr[1] - '0') * 10 +
12364                        (ptr[2] - '0'));
12365
12366         ptr += 3;
12367
12368         // level sketch element number might consist of four digits
12369         if (ptr[0] >= '0' && ptr[0] <= '9')
12370         {
12371           element = element * 10 + (ptr[0] - '0');
12372           ptr++;
12373         }
12374
12375         // remap some (historic, now obsolete) elements
12376         element = getMappedElement(element);
12377
12378         if (element >= NUM_FILE_ELEMENTS)
12379           element = EL_UNKNOWN;
12380
12381         brush_buffer[x][y] = element;
12382
12383         brush_width  = MAX(x + 1, brush_width);
12384         brush_height = MAX(y + 1, brush_height);
12385
12386         x++;
12387
12388         if (x >= MAX_LEV_FIELDX)
12389           start_new_row = TRUE;
12390
12391         allow_new_row = TRUE;
12392       }
12393       else
12394       {
12395         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12396           start_new_row = TRUE;
12397
12398         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12399       }
12400
12401       if (start_new_row)
12402       {
12403         x = 0;
12404         y++;
12405
12406         if (y >= MAX_LEV_FIELDY)
12407           stop = TRUE;
12408
12409         allow_new_row = FALSE;
12410       }
12411     }
12412
12413     SDL_free(clipboard_text);
12414
12415     if (brush_width == 0 || brush_height == 0)
12416     {
12417       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12418
12419       return;
12420     }
12421
12422     if (copy_to_brush)
12423     {
12424       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12425       int mx, my;
12426
12427       SDL_GetMouseState(&mx, &my);
12428
12429       // if inside drawing area, activate and draw brush at last mouse position
12430       if (mx >= gi->x && mx < gi->x + gi->width &&
12431           my >= gi->y && my < gi->y + gi->height)
12432         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12433
12434       draw_with_brush = TRUE;
12435     }
12436     else
12437     {
12438       char request[100];
12439
12440       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12441               brush_width, brush_height);
12442
12443       if (!Request(request, REQ_ASK))
12444         return;
12445
12446       for (x = 0; x < MAX_LEV_FIELDX; x++)
12447         for (y = 0; y < MAX_LEV_FIELDY; y++)
12448           Tile[x][y] = brush_buffer[x][y];
12449
12450       lev_fieldx = level.fieldx = brush_width;
12451       lev_fieldy = level.fieldy = brush_height;
12452
12453       boolean use_em_engine = TRUE;
12454       boolean use_sp_engine = TRUE;
12455       boolean use_mm_engine = TRUE;
12456
12457       for (x = 0; x < MAX_LEV_FIELDX; x++)
12458       {
12459         for (y = 0; y < MAX_LEV_FIELDY; y++)
12460         {
12461           int element = Tile[x][y];
12462
12463           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12464             use_em_engine = FALSE;
12465
12466           if (!IS_SP_ELEMENT(element))
12467             use_sp_engine = FALSE;
12468
12469           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12470             use_mm_engine = FALSE;
12471         }
12472       }
12473
12474       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12475                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12476                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12477                                 GAME_ENGINE_TYPE_RND);
12478
12479       // update element selection list
12480       ReinitializeElementList();
12481       ModifyEditorElementList();
12482
12483       SetBorderElement();
12484
12485       DrawEditModeWindow();
12486       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12487     }
12488
12489     return;
12490   }
12491
12492   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12493     return;
12494
12495   if (mode == CB_AREA_TO_BRUSH)
12496   {
12497     int from_lx, from_ly;
12498
12499     if (from_x > to_x)
12500       swap_numbers(&from_x, &to_x);
12501
12502     if (from_y > to_y)
12503       swap_numbers(&from_y, &to_y);
12504
12505     brush_width = to_x - from_x + 1;
12506     brush_height = to_y - from_y + 1;
12507
12508     from_lx = from_x + level_xpos;
12509     from_ly = from_y + level_ypos;
12510
12511     for (y = 0; y < brush_height; y++)
12512     {
12513       for (x = 0; x < brush_width; x++)
12514       {
12515         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12516
12517         if (button != 1)
12518           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12519       }
12520     }
12521
12522     if (button != 1)
12523       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12524
12525     delete_old_brush = FALSE;
12526   }
12527   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12528            mode == CB_BRUSH_TO_LEVEL)
12529   {
12530     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12531     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12532     int cursor_from_x = cursor_x - brush_width / 2;
12533     int cursor_from_y = cursor_y - brush_height / 2;
12534     int border_from_x = cursor_x, border_from_y = cursor_y;
12535     int border_to_x = cursor_x, border_to_y = cursor_y;
12536
12537     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12538       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12539
12540     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12541         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12542     {
12543       delete_old_brush = FALSE;
12544
12545       return;
12546     }
12547
12548     for (y = 0; y < brush_height; y++)
12549     {
12550       for (x = 0; x < brush_width; x++)
12551       {
12552         int sx = cursor_from_x + x;
12553         int sy = cursor_from_y + y;
12554         int lx = sx + level_xpos;
12555         int ly = sy + level_ypos;
12556         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12557         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12558                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12559                        brush_buffer[x][y] : new_element);
12560
12561         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12562         {
12563           if (sx < border_from_x)
12564             border_from_x = sx;
12565           else if (sx > border_to_x)
12566             border_to_x = sx;
12567           if (sy < border_from_y)
12568             border_from_y = sy;
12569           else if (sy > border_to_y)
12570             border_to_y = sy;
12571
12572           DrawBrushElement(sx, sy, element, change_level);
12573         }
12574       }
12575     }
12576
12577     if (mode != CB_DELETE_OLD_CURSOR)
12578       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12579
12580     last_cursor_x = cursor_x;
12581     last_cursor_y = cursor_y;
12582
12583     delete_old_brush = TRUE;
12584   }
12585
12586   if (mode == CB_UPDATE_BRUSH_POSITION)
12587   {
12588     last_cursor_x = from_x;
12589     last_cursor_y = from_y;
12590   }
12591 }
12592
12593 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12594                             int button)
12595 {
12596   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12597 }
12598
12599 static void CopyBrushToLevel(int x, int y, int button)
12600 {
12601   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12602 }
12603
12604 static void CopyBrushToCursor(int x, int y)
12605 {
12606   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12607 }
12608
12609 static void UpdateBrushPosition(int x, int y)
12610 {
12611   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12612 }
12613
12614 static void DeleteBrushFromCursor(void)
12615 {
12616   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12617 }
12618
12619 void DumpBrush(void)
12620 {
12621   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12622 }
12623
12624 void DumpBrush_Small(void)
12625 {
12626   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12627 }
12628
12629 void CopyClipboardToBrush(void)
12630 {
12631   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12632 }
12633
12634 void CopyBrushToClipboard(void)
12635 {
12636   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12637 }
12638
12639 void CopyBrushToClipboard_Small(void)
12640 {
12641   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12642 }
12643
12644 void UndoLevelEditorOperation(void)
12645 {
12646   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12647 }
12648
12649 void RedoLevelEditorOperation(void)
12650 {
12651   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12652 }
12653
12654 static void FloodFill(int from_x, int from_y, int fill_element)
12655 {
12656   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12657 }
12658
12659 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12660 {
12661   int from_x = from_sx2 + 2 * level_xpos;
12662   int from_y = from_sy2 + 2 * level_ypos;
12663   int max_fillx = lev_fieldx * 2;
12664   int max_filly = lev_fieldy * 2;
12665   short Fill[max_fillx][max_filly];
12666   int x, y;
12667
12668   for (x = 0; x < max_fillx; x++)
12669     for (y = 0; y < max_filly; y++)
12670       Fill[x][y] = getLevelElementHiRes(x, y);
12671
12672   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12673                     Fill, max_fillx, max_filly);
12674
12675   for (x = 0; x < max_fillx; x++)
12676     for (y = 0; y < max_filly; y++)
12677       if (Fill[x][y] == fill_element)
12678         SetLevelElementHiRes(x, y, Fill[x][y]);
12679 }
12680
12681 // values for DrawLevelText() modes
12682 #define TEXT_INIT               0
12683 #define TEXT_SETCURSOR          1
12684 #define TEXT_WRITECHAR          2
12685 #define TEXT_BACKSPACE          3
12686 #define TEXT_NEWLINE            4
12687 #define TEXT_END                5
12688 #define TEXT_QUERY_TYPING       6
12689
12690 static int DrawLevelText(int sx, int sy, char letter, int mode)
12691 {
12692   static short delete_buffer[MAX_LEV_FIELDX];
12693   static int start_sx;
12694   static int last_sx, last_sy;
12695   static boolean typing = FALSE;
12696   int letter_element;
12697   int lx = 0, ly = 0;
12698
12699   // map lower case letters to upper case and convert special characters
12700   if (letter >= 'a' && letter <= 'z')
12701     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12702   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12703     letter_element = EL_CHAR_AUMLAUT;
12704   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12705     letter_element = EL_CHAR_OUMLAUT;
12706   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12707     letter_element = EL_CHAR_UUMLAUT;
12708   else if (letter == '^')
12709     letter_element = EL_CHAR_COPYRIGHT;
12710   else
12711     letter_element = EL_CHAR_ASCII0 + letter;
12712
12713   if (mode != TEXT_INIT)
12714   {
12715     if (!typing)
12716       return FALSE;
12717
12718     if (mode != TEXT_SETCURSOR)
12719     {
12720       sx = last_sx;
12721       sy = last_sy;
12722     }
12723
12724     lx = last_sx + level_xpos;
12725     ly = last_sy + level_ypos;
12726   }
12727
12728   switch (mode)
12729   {
12730     case TEXT_INIT:
12731       if (typing)
12732         DrawLevelText(0, 0, 0, TEXT_END);
12733
12734       typing = TRUE;
12735       start_sx = sx;
12736       last_sx = sx;
12737       last_sy = sy;
12738       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12739       break;
12740
12741     case TEXT_SETCURSOR:
12742       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12743       DrawAreaBorder(sx, sy, sx, sy);
12744       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12745                      ed_tilesize, ed_tilesize);
12746       last_sx = sx;
12747       last_sy = sy;
12748       break;
12749
12750     case TEXT_WRITECHAR:
12751       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12752       {
12753         if (new_element1 >= EL_STEEL_CHAR_START &&
12754             new_element1 <= EL_STEEL_CHAR_END)
12755           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12756
12757         delete_buffer[sx - start_sx] = Tile[lx][ly];
12758         Tile[lx][ly] = letter_element;
12759
12760         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12761           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12762         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12763           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12764         else
12765           DrawLevelText(0, 0, 0, TEXT_END);
12766
12767         level.changed = TRUE;
12768       }
12769       break;
12770
12771     case TEXT_BACKSPACE:
12772       if (sx > start_sx)
12773       {
12774         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12775         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12776         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12777       }
12778       break;
12779
12780     case TEXT_NEWLINE:
12781       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12782         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12783       else
12784         DrawLevelText(0, 0, 0, TEXT_END);
12785       break;
12786
12787     case TEXT_END:
12788       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12789       DrawEditorElement(sx, sy, Tile[lx][ly]);
12790       StopTextInput();
12791       typing = FALSE;
12792       break;
12793
12794     case TEXT_QUERY_TYPING:
12795       break;
12796
12797     default:
12798       break;
12799   }
12800
12801   return typing;
12802 }
12803
12804 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12805                           int element, boolean change_level)
12806 {
12807   int lx = sx + level_xpos;
12808   int ly = sy + level_ypos;
12809
12810   if (element == -1)
12811     DrawEditorElement(sx, sy, Tile[lx][ly]);
12812   else
12813     DrawAreaBorder(sx, sy, sx, sy);
12814 }
12815
12816 static void CheckLevelBorderElement(boolean redraw_playfield)
12817 {
12818   int last_border_element = BorderElement;
12819
12820   SetBorderElement();
12821
12822   if (redraw_playfield && BorderElement != last_border_element)
12823     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12824 }
12825
12826 static void CopyLevelToUndoBuffer(int mode)
12827 {
12828   static boolean accumulated_undo = FALSE;
12829   boolean new_undo_buffer_position = TRUE;
12830   int x, y;
12831
12832   if (undo_buffer_steps == 0)
12833     accumulated_undo = FALSE;
12834
12835   switch (mode)
12836   {
12837     case UNDO_IMMEDIATE:
12838       accumulated_undo = FALSE;
12839       break;
12840
12841     case UNDO_ACCUMULATE:
12842       if (accumulated_undo)
12843         new_undo_buffer_position = FALSE;
12844       accumulated_undo = TRUE;
12845       break;
12846
12847     default:
12848       break;
12849   }
12850
12851   if (new_undo_buffer_position)
12852   {
12853     // advance position in undo buffer ring
12854     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12855
12856     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12857       undo_buffer_steps++;
12858   }
12859
12860   // always reset redo buffer when storing level change into undo buffer
12861   redo_buffer_steps = 0;
12862
12863   for (x = 0; x < lev_fieldx; x++)
12864     for (y = 0; y < lev_fieldy; y++)
12865       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12866
12867   // check if drawing operation forces change of border style
12868   CheckLevelBorderElement(TRUE);
12869
12870   level.changed = TRUE;
12871 }
12872
12873 static void RandomPlacement(int new_element)
12874 {
12875   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12876   int num_free_positions = 0;
12877   int num_percentage, num_elements;
12878   int x, y;
12879
12880   ResetIntelliDraw();
12881
12882   // determine number of free positions for randomly placing the new element
12883   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12884   {
12885     free_position[x][y] =
12886       (random_placement_background_restricted ?
12887        Tile[x][y] == random_placement_background_element :
12888        Tile[x][y] != new_element);
12889
12890     if (free_position[x][y])
12891       num_free_positions++;
12892   }
12893
12894   // determine number of new elements to place there
12895   num_percentage = num_free_positions * random_placement_value / 100;
12896   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12897                   num_percentage : random_placement_value);
12898
12899   // if less free positions than elements to place, fill all these positions
12900   if (num_free_positions < num_elements)
12901   {
12902     for (x = 0; x < lev_fieldx; x++)
12903       for (y = 0; y < lev_fieldy; y++)
12904         if (free_position[x][y])
12905           SetElement(x, y, new_element);
12906   }
12907   else
12908   {
12909     while (num_elements > 0)
12910     {
12911       x = GetSimpleRandom(lev_fieldx);
12912       y = GetSimpleRandom(lev_fieldy);
12913
12914       // don't place element at the same position twice
12915       if (free_position[x][y])
12916       {
12917         free_position[x][y] = FALSE;
12918         SetElement(x, y, new_element);
12919         num_elements--;
12920       }
12921     }
12922   }
12923
12924   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12925   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12926 }
12927
12928 static void WrapLevel(int dx, int dy)
12929 {
12930   int wrap_dx = lev_fieldx - dx;
12931   int wrap_dy = lev_fieldy - dy;
12932   int x, y;
12933
12934   for (x = 0; x < lev_fieldx; x++)
12935     for (y = 0; y < lev_fieldy; y++)
12936       TileBackup[x][y] = Tile[x][y];
12937
12938   for (x = 0; x < lev_fieldx; x++)
12939     for (y = 0; y < lev_fieldy; y++)
12940       Tile[x][y] =
12941         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12942
12943   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12944   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12945 }
12946
12947 static void DrawAreaElementHighlight(boolean highlighted)
12948 {
12949   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12950
12951   if (!highlighted)
12952     return;
12953
12954   int x, y;
12955
12956   for (x = 0; x < ed_fieldx; x++)
12957   {
12958     for (y = 0; y < ed_fieldy; y++)
12959     {
12960       int lx = x + level_xpos;
12961       int ly = y + level_ypos;
12962
12963       if (!IN_LEV_FIELD(lx, ly))
12964         continue;
12965
12966       if (Tile[lx][ly] != new_element1)
12967         continue;
12968
12969       int sx = SX + x * ed_tilesize;
12970       int sy = SY + y * ed_tilesize;
12971       int from_sx = sx;
12972       int from_sy = sy;
12973       int to_sx = sx + ed_tilesize - 1;
12974       int to_sy = sy + ed_tilesize - 1;
12975
12976       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
12977       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
12978       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
12979       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
12980     }
12981   }
12982 }
12983
12984 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12985 {
12986   char *template_filename_old = getLocalLevelTemplateFilename();
12987   char *template_filename_new =
12988     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12989
12990   if (copyFile(template_filename_old, template_filename_new) != 0)
12991     Request("Cannot copy level template!", REQ_CONFIRM);
12992
12993   free(template_filename_new);
12994 }
12995
12996 static void HandleDrawingAreas(struct GadgetInfo *gi)
12997 {
12998   static boolean started_inside_drawing_area = FALSE;
12999   int id = gi->custom_id;
13000   int type_id = gi->custom_type_id;
13001   boolean button_press_event;
13002   boolean button_release_event;
13003   boolean inside_drawing_area = !gi->event.off_borders;
13004   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
13005   int actual_drawing_function;
13006   int button = gi->event.button;
13007   int new_element = BUTTON_ELEMENT(button);
13008   int sx = gi->event.x, sy = gi->event.y;
13009   int min_sx = 0, min_sy = 0;
13010   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
13011   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
13012   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
13013   int sx2 = gi->event.mx / mini_item_xsize;
13014   int sy2 = gi->event.my / mini_item_ysize;
13015   int dx = sx2 % 2;
13016   int dy = sy2 % 2;
13017   int lx = 0, ly = 0;
13018   int x, y;
13019
13020   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
13021   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
13022
13023   // make sure to stay inside drawing area boundaries
13024   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13025   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13026
13027   if (draw_level)
13028   {
13029     int min_lx = 0, min_ly = 0;
13030     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13031
13032     // get positions inside level field
13033     lx = sx + level_xpos;
13034     ly = sy + level_ypos;
13035
13036     if (!IN_LEV_FIELD(lx, ly))
13037       inside_drawing_area = FALSE;
13038
13039     // make sure to stay inside level field boundaries
13040     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13041     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13042
13043     // correct drawing area positions accordingly
13044     sx = lx - level_xpos;
13045     sy = ly - level_ypos;
13046   }
13047
13048   // also correct MM wall-sized (double) drawing area positions accordingly
13049   if (sx2 / 2 < sx || sx2 / 2 > sx)
13050   {
13051     dx = (sx2 / 2 < sx ? 0 : 1);
13052     sx2 = sx * 2 + dx;
13053   }
13054   if (sy2 / 2 < sy || sy2 / 2 > sy)
13055   {
13056     dy = (sy2 / 2 < sy ? 0 : 1);
13057     sy2 = sy * 2 + dy;
13058   }
13059
13060   if (!button_press_event && !button_release_event)
13061   {
13062     static int last_sx = -1;
13063     static int last_sy = -1;
13064     static int last_sx2 = -1;
13065     static int last_sy2 = -1;
13066     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
13067     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13068                              isHiresTileElement(old_element) &&
13069                              isHiresDrawElement(new_element));
13070
13071     // prevent handling events for every pixel position when moving mouse
13072     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
13073         (sx2 == last_sx2 && sy2 == last_sy2))
13074       return;
13075
13076     last_sx = sx;
13077     last_sy = sy;
13078     last_sx2 = sx2;
13079     last_sy2 = sy2;
13080   }
13081
13082   if (button_press_event)
13083     started_inside_drawing_area = inside_drawing_area;
13084
13085   if (!started_inside_drawing_area)
13086     return;
13087
13088   if (!IS_VALID_BUTTON(button))
13089     return;
13090
13091   // handle info callback for each invocation of action callback
13092   gi->callback_info(gi);
13093
13094   // automatically switch to 'single item' drawing mode, if needed
13095   actual_drawing_function =
13096     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
13097      drawing_function : GADGET_ID_SINGLE_ITEMS);
13098
13099   // clicking into drawing area with pressed Control key picks element
13100   if (GetKeyModState() & KMOD_Control)
13101   {
13102     last_drawing_function = drawing_function;
13103     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13104   }
13105
13106   if (GetKeyModState() & KMOD_Shift)
13107   {
13108     if (button_press_event || button_release_event)
13109       ResetIntelliDraw();
13110   }
13111
13112   SetDrawModeHiRes(-1);         // reset to normal draw mode
13113
13114   switch (actual_drawing_function)
13115   {
13116     case GADGET_ID_SINGLE_ITEMS:
13117       if (draw_level)
13118       {
13119         if (button_release_event)
13120         {
13121           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13122
13123           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13124               !inside_drawing_area)
13125             DeleteBrushFromCursor();
13126
13127           break;
13128         }
13129
13130         if (draw_with_brush)
13131         {
13132           CopyBrushToLevel(sx, sy, button);
13133         }
13134         else
13135         {
13136           SetDrawModeHiRes(new_element);
13137
13138           if (IS_PLAYER_ELEMENT(new_element))
13139           {
13140             // remove player at old position
13141             for (y = 0; y < lev_fieldy; y++)
13142             {
13143               for (x = 0; x < lev_fieldx; x++)
13144               {
13145                 int old_element = Tile[x][y];
13146
13147                 if (IS_PLAYER_ELEMENT(old_element))
13148                 {
13149                   int replaced_with_element =
13150                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13151                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13152
13153                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13154                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13155
13156                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13157                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13158
13159                      new_element >= EL_PLAYER_1 &&
13160                      new_element <= EL_PLAYER_4 &&
13161                      new_element == old_element ? EL_EMPTY :
13162
13163                      old_element);
13164
13165                   SetElement(x, y, replaced_with_element);
13166                 }
13167               }
13168             }
13169           }
13170
13171           SetElementButton(lx, ly, dx, dy, new_element, button);
13172         }
13173       }
13174       else if (!button_release_event)
13175       {
13176         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13177
13178         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13179           DrawMiniGraphicExt(drawto,
13180                              gi->x + sx * MINI_TILEX,
13181                              gi->y + sy * MINI_TILEY,
13182                              el2edimg(new_element));
13183         else
13184           DrawFixedGraphicExt(drawto,
13185                               gi->x + sx * TILEX,
13186                               gi->y + sy * TILEY,
13187                               el2edimg(new_element), 0);
13188
13189         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13190           new_element = GFX_ELEMENT(new_element);
13191
13192         drawingarea_info[type_id].value[pos] = new_element;
13193
13194         CopyElementPropertiesToGame(properties_element);
13195
13196         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13197         {
13198           UpdateCustomElementGraphicGadgets();
13199
13200           FrameCounter = 0;     // restart animation frame counter
13201         }
13202       }
13203       break;
13204
13205     case GADGET_ID_CONNECTED_ITEMS:
13206       {
13207         static int last_sx = -1;
13208         static int last_sy = -1;
13209
13210         if (button_release_event)
13211           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13212
13213         SetDrawModeHiRes(new_element);
13214
13215         if (getDrawModeHiRes())
13216         {
13217           sx = sx2;
13218           sy = sy2;
13219         }
13220
13221         if (!button_press_event)
13222           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13223
13224         last_sx = sx;
13225         last_sy = sy;
13226       }
13227       break;
13228
13229     case GADGET_ID_LINE:
13230     case GADGET_ID_ARC:
13231     case GADGET_ID_RECTANGLE:
13232     case GADGET_ID_FILLED_BOX:
13233       SetDrawModeHiRes(new_element);
13234
13235       if (getDrawModeHiRes())
13236       {
13237         sx = sx2;
13238         sy = sy2;
13239       }
13240       // FALLTHROUGH
13241     case GADGET_ID_GRAB_BRUSH:
13242     case GADGET_ID_TEXT:
13243       {
13244         static int last_sx = -1;
13245         static int last_sy = -1;
13246         static int start_sx = -1;
13247         static int start_sy = -1;
13248         void (*draw_func)(int, int, int, int, int, boolean);
13249
13250         if (drawing_function == GADGET_ID_LINE)
13251           draw_func = DrawLine;
13252         else if (drawing_function == GADGET_ID_ARC)
13253           draw_func = DrawArc;
13254         else if (drawing_function == GADGET_ID_RECTANGLE)
13255           draw_func = DrawBox;
13256         else if (drawing_function == GADGET_ID_FILLED_BOX)
13257           draw_func = DrawFilledBox;
13258         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13259           draw_func = SelectArea;
13260         else // (drawing_function == GADGET_ID_TEXT)
13261           draw_func = SetTextCursor;
13262
13263         if (button_press_event)
13264         {
13265           draw_func(sx, sy, sx, sy, new_element, FALSE);
13266           start_sx = last_sx = sx;
13267           start_sy = last_sy = sy;
13268
13269           if (drawing_function == GADGET_ID_TEXT)
13270             DrawLevelText(0, 0, 0, TEXT_END);
13271         }
13272         else if (button_release_event)
13273         {
13274           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13275           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13276           {
13277             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13278             CopyBrushToCursor(sx, sy);
13279             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13280                           MB_LEFTBUTTON);
13281             draw_with_brush = TRUE;
13282           }
13283           else if (drawing_function == GADGET_ID_TEXT)
13284             DrawLevelText(sx, sy, 0, TEXT_INIT);
13285           else
13286             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13287         }
13288         else if (last_sx != sx || last_sy != sy)
13289         {
13290           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13291           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13292             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13293           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13294           last_sx = sx;
13295           last_sy = sy;
13296         }
13297       }
13298       break;
13299
13300     case GADGET_ID_FLOOD_FILL:
13301       if (button_press_event && Tile[lx][ly] != new_element)
13302       {
13303         if (IS_MM_WALL_EDITOR(new_element))
13304           FloodFillWall_MM(sx2, sy2, new_element);
13305         else
13306           FloodFill(lx, ly, new_element);
13307
13308         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13309         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13310       }
13311       break;
13312
13313     case GADGET_ID_PICK_ELEMENT:
13314       if (button_release_event)
13315         ClickOnGadget(level_editor_gadget[last_drawing_function],
13316                       MB_LEFTBUTTON);
13317       else if (draw_level)
13318         PickDrawingElement(button, Tile[lx][ly]);
13319       else
13320       {
13321         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13322
13323         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13324       }
13325
13326     default:
13327       break;
13328   }
13329
13330   // do not mark level as modified for certain non-level-changing gadgets
13331   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13332        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13333       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13334       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13335     return;
13336
13337   level.changed = TRUE;
13338 }
13339
13340 static void HandleCounterButtons(struct GadgetInfo *gi)
13341 {
13342   int gadget_id = gi->custom_id;
13343   int counter_id = gi->custom_type_id;
13344   int button = gi->event.button;
13345   int *counter_value = counterbutton_info[counter_id].value;
13346   int step = BUTTON_STEPSIZE(button) *
13347     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13348
13349   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13350   {
13351     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13352     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13353     boolean level_changed = LevelChanged();
13354
13355     if ((level_changed && pressed) || (!level_changed && released))
13356       return;
13357
13358     if (level_changed && !Request("Level has changed! Discard changes?",
13359                                   REQ_ASK))
13360     {
13361       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13362         ModifyEditorCounterValue(counter_id, *counter_value);
13363
13364       return;
13365     }
13366   }
13367
13368   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13369     *counter_value = gi->textinput.number_value;
13370   else
13371     ModifyEditorCounterValue(counter_id, *counter_value + step);
13372
13373   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13374   {
13375     int last_game_engine_type = level.game_engine_type;
13376
13377     LoadLevel(level_nr);
13378     LoadScore(level_nr);
13379
13380     SaveLevelSetup_SeriesInfo();
13381
13382     TapeErase();
13383
13384     ResetUndoBuffer();
13385     DrawEditModeWindow();
13386
13387     if (level.game_engine_type != last_game_engine_type)
13388     {
13389       // update element selection list
13390       ReinitializeElementList();
13391       ModifyEditorElementList();
13392     }
13393
13394     return;
13395   }
13396
13397   switch (counter_id)
13398   {
13399     case ED_COUNTER_ID_YAMYAM_CONTENT:
13400       DrawYamYamContentAreas();
13401       break;
13402
13403     case ED_COUNTER_ID_BALL_CONTENT:
13404       DrawMagicBallContentAreas();
13405       break;
13406
13407     case ED_COUNTER_ID_ANDROID_CONTENT:
13408       DrawAndroidElementArea();
13409       break;
13410
13411     case ED_COUNTER_ID_GROUP_CONTENT:
13412       DrawGroupElementArea();
13413       CopyGroupElementPropertiesToGame(properties_element);
13414       break;
13415
13416     case ED_COUNTER_ID_INVENTORY_SIZE:
13417       DrawPlayerInitialInventoryArea(properties_element);
13418       break;
13419
13420     case ED_COUNTER_ID_MM_BALL_CONTENT:
13421       DrawMMBallContentArea();
13422       break;
13423
13424     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13425     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13426       DrawEnvelopeTextArea(-1);
13427       break;
13428
13429     case ED_COUNTER_ID_LEVEL_XSIZE:
13430     case ED_COUNTER_ID_LEVEL_YSIZE:
13431       lev_fieldx = level.fieldx;
13432       lev_fieldy = level.fieldy;
13433
13434       // check if resizing of level results in change of border border
13435       SetBorderElement();
13436
13437       break;
13438
13439     default:
13440       break;
13441   }
13442
13443   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13444        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13445       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13446        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13447     CopyElementPropertiesToGame(properties_element);
13448
13449   // do not mark level as modified for certain non-level-changing gadgets
13450   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13451        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13452       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13453        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13454     return;
13455
13456   level.changed = TRUE;
13457 }
13458
13459 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13460 {
13461   int type_id = gi->custom_type_id;
13462
13463   strcpy(textinput_info[type_id].value, gi->textinput.value);
13464
13465   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13466   {
13467     CopyElementPropertiesToGame(properties_element);
13468
13469     ModifyEditorElementList();  // update changed button info text
13470   }
13471
13472   // do not mark level as modified for certain non-level-changing gadgets
13473   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13474       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13475     return;
13476
13477   level.changed = TRUE;
13478 }
13479
13480 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13481 {
13482   int type_id = gi->custom_type_id;
13483
13484   strncpy(textarea_info[type_id].value, gi->textarea.value,
13485           MAX_ENVELOPE_TEXT_LEN);
13486   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13487
13488   level.changed = TRUE;
13489 }
13490
13491 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13492 {
13493   int type_id = gi->custom_type_id;
13494   int value_old = *selectbox_info[type_id].value;
13495   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13496
13497   *selectbox_info[type_id].value = value_new;
13498
13499   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13500   {
13501     DrawLevelInfoWindow();
13502   }
13503   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13504   {
13505     element_info[properties_element].current_change_page = gi->selectbox.index;
13506
13507     DrawPropertiesWindow();
13508   }
13509   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13510             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13511            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13512             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13513            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13514   {
13515     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13516     {
13517       // when changing action type, also check action mode and action arg
13518       if (value_old != value_new)
13519         setSelectboxSpecialActionVariablesIfNeeded();
13520
13521       DrawPropertiesChange();
13522     }
13523
13524     CopyElementPropertiesToGame(properties_element);
13525   }
13526   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13527   {
13528     // update element selection list
13529     ReinitializeElementList();
13530     ModifyEditorElementList();
13531   }
13532
13533   // do not mark level as modified for certain non-level-changing gadgets
13534   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13535       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13536     return;
13537
13538   level.changed = TRUE;
13539 }
13540
13541 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13542 {
13543   int type_id = gi->custom_type_id;
13544   int i;
13545
13546   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13547       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13548   {
13549     edit_mode_levelinfo = gi->custom_type_id;
13550
13551     DrawLevelInfoWindow();
13552   }
13553   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13554            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13555   {
13556     edit_mode_properties = gi->custom_type_id;
13557
13558     DrawPropertiesWindow();
13559   }
13560   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13561            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13562   {
13563     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13564
13565     // backup original "level.field" (needed to track playfield changes)
13566     CopyPlayfield(level.field, TileBackup);
13567
13568     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13569     CopyPlayfield(Tile, level.field);
13570
13571     if (new_template ||
13572         Request("Save this template and kill the old?", REQ_ASK))
13573       SaveLevelTemplate();
13574
13575     if (new_template)
13576       Request("Template saved!", REQ_CONFIRM);
13577
13578     // restore original "level.field" (needed to track playfield changes)
13579     CopyPlayfield(TileBackup, level.field);
13580   }
13581   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13582   {
13583     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13584
13585     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13586         leveldir_current->readonly)
13587     {
13588       Request("This level set is read-only!", REQ_CONFIRM);
13589
13590       return;
13591     }
13592
13593     if (strEqual(levelset_name, ""))
13594     {
13595       Request("Please enter level set title!", REQ_CONFIRM);
13596
13597       return;
13598     }
13599
13600     if (strEqual(levelset_author, ""))
13601     {
13602       Request("Please enter level set author!", REQ_CONFIRM);
13603
13604       return;
13605     }
13606
13607     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13608     {
13609       if (UpdateUserLevelSet(levelset_subdir,
13610                              levelset_name,
13611                              levelset_author,
13612                              levelset_num_levels))
13613       {
13614         Request("Level set updated!", REQ_CONFIRM);
13615       }
13616       else
13617       {
13618         Request("Updating level set failed!", REQ_CONFIRM);
13619       }
13620     }
13621     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13622     {
13623       if (level.changed && !Request("Level has changed! Discard changes?",
13624                                      REQ_ASK))
13625         return;
13626
13627       if (CreateUserLevelSet(levelset_subdir,
13628                              levelset_name,
13629                              levelset_author,
13630                              levelset_num_levels,
13631                              levelset_use_levelset_artwork))
13632       {
13633         if (levelset_copy_level_template)
13634           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13635
13636         Request("New level set created!", REQ_CONFIRM);
13637
13638         AddUserLevelSetToLevelInfo(levelset_subdir);
13639         ChangeEditorToLevelSet(levelset_subdir);
13640       }
13641       else
13642       {
13643         Request("Creating new level set failed!", REQ_CONFIRM);
13644       }
13645     }
13646   }
13647   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13648            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13649   {
13650     struct ElementInfo *ei = &element_info[properties_element];
13651
13652     // when modifying custom element, ask for copying level template
13653     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13654       return;
13655
13656     setElementChangePages(ei, ei->num_change_pages + 1);
13657
13658     // set new change page to be new current change page
13659     ei->current_change_page = ei->num_change_pages - 1;
13660     ei->change = &ei->change_page[ei->current_change_page];
13661
13662     setElementChangeInfoToDefaults(ei->change);
13663
13664     DrawPropertiesWindow();
13665
13666     level.changed = TRUE;
13667   }
13668   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13669            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13670   {
13671     struct ElementInfo *ei = &element_info[properties_element];
13672
13673     // when modifying custom element, ask for copying level template
13674     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13675       return;
13676
13677     // copy all change pages after change page to be deleted
13678     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13679       ei->change_page[i] = ei->change_page[i + 1];
13680
13681     setElementChangePages(ei, ei->num_change_pages - 1);
13682
13683     DrawPropertiesWindow();
13684
13685     level.changed = TRUE;
13686   }
13687 }
13688
13689 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13690 {
13691   int type_id = gi->custom_type_id;
13692
13693   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13694       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13695   {
13696     struct ElementInfo *ei = &element_info[properties_element];
13697     int step = BUTTON_STEPSIZE(gi->event.button);
13698
13699     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13700     ei->current_change_page += step;
13701
13702     if (ei->current_change_page < 0)
13703       ei->current_change_page = 0;
13704     else if (ei->current_change_page >= ei->num_change_pages)
13705       ei->current_change_page = ei->num_change_pages - 1;
13706
13707     DrawPropertiesWindow();
13708   }
13709   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13710            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13711   {
13712     struct ElementInfo *ei = &element_info[properties_element];
13713     int current_change_page = ei->current_change_page;
13714
13715     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13716     {
13717       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13718         ei->change_page[current_change_page];
13719     }
13720     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13721     {
13722       // when modifying custom element, ask for copying level template
13723       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13724         return;
13725
13726       ei->change_page[current_change_page] =
13727         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13728
13729       level.changed = TRUE;
13730     }
13731
13732     DrawPropertiesWindow();
13733   }
13734 }
13735
13736 static void HandleRadiobuttons(struct GadgetInfo *gi)
13737 {
13738   int type_id = gi->custom_type_id;
13739
13740   *radiobutton_info[type_id].value =
13741     radiobutton_info[type_id].checked_value;
13742
13743   // do not mark level as modified for certain non-level-changing gadgets
13744   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13745       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13746     return;
13747
13748   level.changed = TRUE;
13749 }
13750
13751 static void HandleCheckbuttons(struct GadgetInfo *gi)
13752 {
13753   int type_id = gi->custom_type_id;
13754
13755   *checkbutton_info[type_id].value ^= TRUE;
13756
13757   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13758       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13759       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13760       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13761          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13762         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13763          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13764        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13765   {
13766     CopyElementPropertiesToGame(properties_element);
13767   }
13768
13769   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13770   {
13771     UpdateCustomElementGraphicGadgets();
13772   }
13773   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13774            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13775   {
13776     boolean template_related_changes_found = FALSE;
13777     int i;
13778
13779     // check if any custom, group or empty elements have been changed
13780     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13781       if ((IS_CUSTOM_ELEMENT(i) ||
13782            IS_GROUP_ELEMENT(i) ||
13783            IS_EMPTY_ELEMENT(i)) &&
13784           element_info[i].modified_settings)
13785         template_related_changes_found = TRUE;
13786
13787     if (level.use_custom_template &&
13788         !fileExists(getGlobalLevelTemplateFilename()))
13789     {
13790       Request("No level template found!", REQ_CONFIRM);
13791
13792       level.use_custom_template = FALSE;
13793
13794       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13795
13796       return;
13797     }
13798
13799     if (level.use_custom_template &&
13800         template_related_changes_found &&
13801         !Request("Discard changes and use level template?", REQ_ASK))
13802     {
13803       level.use_custom_template = FALSE;
13804
13805       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13806
13807       return;
13808     }
13809
13810     if (!level.use_custom_template &&
13811         Request("Copy settings from level template?", REQ_ASK))
13812     {
13813       return;
13814     }
13815
13816     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13817
13818     DrawEditModeWindow();
13819   }
13820   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13821   {
13822     if (setup.editor.use_template_for_new_levels &&
13823         !fileExists(getGlobalLevelTemplateFilename()))
13824     {
13825       Request("No level template found!", REQ_CONFIRM);
13826
13827       return;
13828     }
13829
13830     if (setup.editor.use_template_for_new_levels &&
13831         level.changed &&
13832         !Request("Discard level and load template?", REQ_ASK))
13833     {
13834       return;
13835     }
13836
13837     if (!setup.editor.use_template_for_new_levels &&
13838         level.changed &&
13839         !Request("Discard level and use empty level?", REQ_ASK))
13840     {
13841       return;
13842     }
13843
13844     LoadLevel(level_nr);
13845     LoadScore(level_nr);
13846
13847     TapeErase();
13848
13849     ResetUndoBuffer();
13850     DrawEditModeWindow();
13851   }
13852   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13853   {
13854     SetAutomaticNumberOfGemsNeeded();
13855   }
13856
13857   // do not mark level as modified for certain non-level-changing gadgets
13858   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13859        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13860       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13861        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13862        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13863       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13864     return;
13865
13866   level.changed = TRUE;
13867 }
13868
13869 static void HandleControlButtons(struct GadgetInfo *gi)
13870 {
13871   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13872   static int last_edit_mode = ED_MODE_DRAWING;
13873   static int last_custom_copy_mode = -1;
13874   static int last_button = 0;
13875   int id = gi->custom_id;
13876   int button = gi->event.button;
13877   int step = BUTTON_STEPSIZE(button);
13878   int new_element = BUTTON_ELEMENT(button);
13879   int last_properties_element = properties_element;
13880   int x, y;
13881
13882   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13883     DrawLevelText(0, 0, 0, TEXT_END);
13884
13885   if (id < ED_NUM_CTRL1_BUTTONS &&
13886       id != GADGET_ID_SINGLE_ITEMS &&
13887       id != GADGET_ID_PICK_ELEMENT &&
13888       edit_mode != ED_MODE_DRAWING &&
13889       drawing_function != GADGET_ID_PICK_ELEMENT &&
13890       !(GetKeyModState() & KMOD_Control))
13891     ChangeEditModeWindow(ED_MODE_DRAWING);
13892
13893   // element copy mode active, but no element button pressed => deactivate
13894   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13895     last_custom_copy_mode = -1;
13896
13897   // when showing palette on element buttons, change element of button used
13898   if (editor.palette.show_on_element_buttons &&
13899       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13900   {
13901     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13902
13903     id = GADGET_ID_PALETTE;
13904   }
13905
13906   switch (id)
13907   {
13908     case GADGET_ID_SCROLL_LEFT:
13909       if (level_xpos >= 0)
13910       {
13911         if (lev_fieldx < ed_fieldx - 2)
13912           break;
13913
13914         level_xpos -= step;
13915         if (level_xpos < -1)
13916           level_xpos = -1;
13917         if (button == 1)
13918           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13919         else
13920           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13921
13922         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13923                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13924       }
13925       break;
13926
13927     case GADGET_ID_SCROLL_RIGHT:
13928       if (level_xpos <= lev_fieldx - ed_fieldx)
13929       {
13930         if (lev_fieldx < ed_fieldx - 2)
13931           break;
13932
13933         level_xpos += step;
13934         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13935           level_xpos = lev_fieldx - ed_fieldx + 1;
13936         if (button == 1)
13937           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13938         else
13939           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13940
13941         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13942                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13943       }
13944       break;
13945
13946     case GADGET_ID_SCROLL_UP:
13947       if (level_ypos >= 0)
13948       {
13949         if (lev_fieldy < ed_fieldy - 2)
13950           break;
13951
13952         level_ypos -= step;
13953         if (level_ypos < -1)
13954           level_ypos = -1;
13955         if (button == 1)
13956           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13957         else
13958           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13959
13960         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13961                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13962       }
13963       break;
13964
13965     case GADGET_ID_SCROLL_DOWN:
13966       if (level_ypos <= lev_fieldy - ed_fieldy)
13967       {
13968         if (lev_fieldy < ed_fieldy - 2)
13969           break;
13970
13971         level_ypos += step;
13972         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13973           level_ypos = lev_fieldy - ed_fieldy + 1;
13974         if (button == 1)
13975           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13976         else
13977           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13978
13979         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13980                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13981       }
13982       break;
13983
13984     case GADGET_ID_SCROLL_HORIZONTAL:
13985       level_xpos = gi->event.item_position - 1;
13986
13987       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13988       BackToFront();
13989
13990       break;
13991
13992     case GADGET_ID_SCROLL_VERTICAL:
13993       level_ypos = gi->event.item_position - 1;
13994
13995       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13996       BackToFront();
13997
13998       break;
13999
14000     case GADGET_ID_SCROLL_LIST_UP:
14001     case GADGET_ID_SCROLL_LIST_DOWN:
14002     case GADGET_ID_SCROLL_LIST_VERTICAL:
14003       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
14004         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
14005       else
14006       {
14007         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
14008         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14009
14010         if (element_shift < 0)
14011           element_shift = 0;
14012         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14013           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14014
14015         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14016                      GDI_SCROLLBAR_ITEM_POSITION,
14017                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14018       }
14019
14020       ModifyEditorElementList();
14021
14022       break;
14023
14024     case GADGET_ID_PROPERTIES:
14025       // always switch off element properties when they are already displayed
14026       last_properties_element = new_element;
14027     case GADGET_ID_ELEMENT_LEFT:
14028     case GADGET_ID_ELEMENT_MIDDLE:
14029     case GADGET_ID_ELEMENT_RIGHT:
14030       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
14031                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
14032                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
14033                             new_element);
14034
14035       if (edit_mode != ED_MODE_PROPERTIES)
14036       {
14037         last_edit_mode = edit_mode;
14038
14039         ChangeEditModeWindow(ED_MODE_PROPERTIES);
14040
14041         last_level_drawing_function = drawing_function;
14042         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14043                       MB_LEFTBUTTON);
14044       }
14045       else if (properties_element != last_properties_element)
14046       {
14047         DrawEditModeWindow();
14048       }
14049       else
14050       {
14051         ChangeEditModeWindow(ED_MODE_DRAWING);
14052
14053         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
14054                       MB_LEFTBUTTON);
14055       }
14056       break;
14057
14058     case GADGET_ID_PALETTE:
14059       if (edit_mode != ED_MODE_PALETTE)
14060       {
14061         last_edit_mode = edit_mode;
14062
14063         ChangeEditModeWindow(ED_MODE_PALETTE);
14064       }
14065       else
14066       {
14067         ChangeEditModeWindow(last_edit_mode);
14068       }
14069       break;
14070
14071     case GADGET_ID_WRAP_LEFT:
14072       WrapLevel(-step, 0);
14073       break;
14074
14075     case GADGET_ID_WRAP_RIGHT:
14076       WrapLevel(step, 0);
14077       break;
14078
14079     case GADGET_ID_WRAP_UP:
14080       WrapLevel(0, -step);
14081       break;
14082
14083     case GADGET_ID_WRAP_DOWN:
14084       WrapLevel(0, step);
14085       break;
14086
14087     case GADGET_ID_SINGLE_ITEMS:
14088     case GADGET_ID_CONNECTED_ITEMS:
14089     case GADGET_ID_LINE:
14090     case GADGET_ID_ARC:
14091     case GADGET_ID_TEXT:
14092     case GADGET_ID_RECTANGLE:
14093     case GADGET_ID_FILLED_BOX:
14094     case GADGET_ID_FLOOD_FILL:
14095     case GADGET_ID_GRAB_BRUSH:
14096     case GADGET_ID_PICK_ELEMENT:
14097       if (drawing_function != GADGET_ID_PICK_ELEMENT)
14098         last_drawing_function = drawing_function;
14099       drawing_function = id;
14100       draw_with_brush = FALSE;
14101       break;
14102
14103     case GADGET_ID_RANDOM_PLACEMENT:
14104       RandomPlacement(new_element);
14105       break;
14106
14107     case GADGET_ID_ZOOM:
14108       // zoom level editor tile size in or out (or reset to default size)
14109       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
14110                      button == 2 ? ed_tilesize_default :
14111                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
14112
14113       // when using touch device, cycle through all zoom tilesizes
14114       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
14115         ed_tilesize = MICRO_TILESIZE;
14116
14117       // limit zoom level by upper and lower bound
14118       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
14119
14120       InitZoomLevelSettings(ed_tilesize);
14121
14122       if (edit_mode == ED_MODE_DRAWING)
14123       {
14124         DrawDrawingWindow();
14125
14126         // redraw zoom gadget info text
14127         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14128       }
14129
14130       // save current editor zoom tilesize
14131       SaveSetup_AutoSetup();
14132
14133       break;
14134
14135     case GADGET_ID_CUSTOM_COPY_FROM:
14136     case GADGET_ID_CUSTOM_COPY_TO:
14137     case GADGET_ID_CUSTOM_EXCHANGE:
14138       last_custom_copy_mode = id;
14139       last_drawing_function = drawing_function;
14140       break;
14141
14142     case GADGET_ID_CUSTOM_COPY:
14143       CopyCustomElement(properties_element, -1, id);
14144       break;
14145
14146     case GADGET_ID_CUSTOM_PASTE:
14147       CopyCustomElement(-1, properties_element, id);
14148       break;
14149
14150     case GADGET_ID_UNDO:
14151       if (button < 0)   // keep button value (even if modifier keys are pressed)
14152         button = -button;
14153       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14154         button = 3;
14155
14156       if (button == 1 && undo_buffer_steps == 0)
14157       {
14158         Request("Undo buffer empty!", REQ_CONFIRM);
14159
14160         break;
14161       }
14162       else if (button == 2)
14163       {
14164         break;
14165       }
14166       else if (button == 3 && redo_buffer_steps == 0)
14167       {
14168         Request("Redo buffer empty!", REQ_CONFIRM);
14169
14170         break;
14171       }
14172
14173       if (edit_mode != ED_MODE_DRAWING)
14174         ChangeEditModeWindow(ED_MODE_DRAWING);
14175
14176       if (button == 1)
14177       {
14178         // undo
14179
14180         undo_buffer_position =
14181           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14182
14183         undo_buffer_steps--;
14184         redo_buffer_steps++;
14185       }
14186       else
14187       {
14188         // redo
14189
14190         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14191
14192         undo_buffer_steps++;
14193         redo_buffer_steps--;
14194       }
14195
14196       for (x = 0; x < lev_fieldx; x++)
14197         for (y = 0; y < lev_fieldy; y++)
14198           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14199
14200       // check if undo operation forces change of border style
14201       CheckLevelBorderElement(FALSE);
14202
14203       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14204
14205       break;
14206
14207     case GADGET_ID_INFO:
14208       if (edit_mode != ED_MODE_INFO)
14209       {
14210         last_edit_mode = edit_mode;
14211
14212         ChangeEditModeWindow(ED_MODE_INFO);
14213       }
14214       else
14215       {
14216         ChangeEditModeWindow(ED_MODE_DRAWING);
14217       }
14218       break;
14219
14220     case GADGET_ID_CLEAR:
14221       if (edit_mode != ED_MODE_DRAWING)
14222         ChangeEditModeWindow(ED_MODE_DRAWING);
14223
14224       for (x = 0; x < MAX_LEV_FIELDX; x++)
14225         for (y = 0; y < MAX_LEV_FIELDY; y++)
14226           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14227
14228       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14229
14230       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14231       break;
14232
14233     case GADGET_ID_SAVE:
14234     {
14235       // saving read-only levels into personal level set modifies global vars
14236       // "leveldir_current" and "level_nr"; restore them after saving level
14237       LevelDirTree *leveldir_former = leveldir_current;
14238       int level_nr_former = level_nr;
14239       char *level_filename;
14240       boolean new_level;
14241
14242       if (leveldir_current->readonly &&
14243           !PrepareSavingIntoPersonalLevelSet())
14244         break;
14245
14246       level_filename = getDefaultLevelFilename(level_nr);
14247       new_level = !fileExists(level_filename);
14248
14249       if (new_level ||
14250           Request("Save this level and kill the old?", REQ_ASK))
14251       {
14252         if (leveldir_former->readonly)
14253           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14254
14255         SetAutomaticNumberOfGemsNeeded();
14256
14257         CopyPlayfield(Tile, level.field);
14258         SaveLevel(level_nr);
14259
14260         level.changed = FALSE;
14261
14262         if (new_level)
14263         {
14264           char level_saved_msg[64];
14265
14266           if (leveldir_former->readonly)
14267             sprintf(level_saved_msg,
14268                     "Level saved as level %d into personal level set!",
14269                     level_nr);
14270           else
14271             strcpy(level_saved_msg, "Level saved!");
14272
14273           Request(level_saved_msg, REQ_CONFIRM);
14274         }
14275       }
14276
14277       // "cd" back to copied-from levelset (in case of saved read-only level)
14278       leveldir_current = leveldir_former;
14279       level_nr = level_nr_former;
14280
14281       break;
14282     }
14283
14284     case GADGET_ID_TEST:
14285       if (LevelChanged())
14286         level.game_version = GAME_VERSION_ACTUAL;
14287
14288       CopyPlayfield(level.field, TileBackup);
14289       CopyPlayfield(Tile, level.field);
14290
14291       CopyNativeLevel_RND_to_Native(&level);
14292
14293       UnmapLevelEditorGadgets();
14294       UndrawSpecialEditorDoor();
14295
14296       CloseDoor(DOOR_CLOSE_ALL);
14297
14298       // needed before playing if editor playfield area has different size
14299       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14300
14301       // redraw_mask = REDRAW_ALL;
14302
14303       level_editor_test_game = TRUE;
14304
14305       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14306
14307       break;
14308
14309     case GADGET_ID_EXIT:
14310       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14311       break;
14312
14313     default:
14314       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14315           id <= GADGET_ID_ELEMENTLIST_LAST)
14316       {
14317         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14318
14319         new_element = editor_elements[element_position + element_shift];
14320
14321         if (IS_EDITOR_CASCADE(new_element))
14322         {
14323           int i;
14324
14325           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14326           {
14327             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14328             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14329
14330             if (*cascade_element == new_element)
14331             {
14332               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14333               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14334
14335               // update element selection list
14336               ReinitializeElementList();
14337               ModifyEditorElementList();
14338
14339               // update cascading gadget info text
14340               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14341
14342               // save current editor cascading state
14343               SaveSetup_EditorCascade();
14344
14345               break;
14346             }
14347           }
14348
14349           break;
14350         }
14351
14352         if (last_custom_copy_mode != -1)
14353         {
14354           if (CopyCustomElement(properties_element, new_element,
14355                                 last_custom_copy_mode))
14356           {
14357             ClickOnGadget(level_editor_gadget[last_drawing_function],
14358                           MB_LEFTBUTTON);
14359
14360             last_custom_copy_mode = -1;
14361           }
14362
14363           break;
14364         }
14365
14366         // change element of button used to show palette
14367         if (editor.palette.show_on_element_buttons)
14368           button = last_button;
14369
14370         PickDrawingElement(button, new_element);
14371
14372         if (!stick_element_properties_window &&
14373             drawing_function != GADGET_ID_PICK_ELEMENT &&
14374             !(GetKeyModState() & KMOD_Control))
14375         {
14376           properties_element = new_element;
14377           if (edit_mode == ED_MODE_PROPERTIES)
14378             DrawPropertiesWindow();
14379         }
14380
14381         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14382           ClickOnGadget(level_editor_gadget[last_drawing_function],
14383                         MB_LEFTBUTTON);
14384
14385         if (!use_permanent_palette)
14386           ChangeEditModeWindow(last_edit_mode);
14387       }
14388 #ifdef DEBUG
14389       else if (gi->event.type == GD_EVENT_PRESSED)
14390         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14391       else if (gi->event.type == GD_EVENT_RELEASED)
14392         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14393       else if (gi->event.type == GD_EVENT_MOVING)
14394         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14395       else
14396         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14397 #endif
14398       break;
14399   }
14400 }
14401
14402 void HandleLevelEditorKeyInput(Key key)
14403 {
14404   char letter = getCharFromKey(key);
14405
14406   if (drawing_function == GADGET_ID_TEXT &&
14407       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14408   {
14409     if (letter)
14410       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14411     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14412       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14413     else if (key == KSYM_Return)
14414       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14415     else if (key == KSYM_Escape)
14416       DrawLevelText(0, 0, 0, TEXT_END);
14417
14418     return;
14419   }
14420
14421   int id = GADGET_ID_NONE;
14422   int new_element_shift = element_shift;
14423   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14424   int button = MB_LEFTBUTTON;
14425   int i;
14426
14427   switch (key)
14428   {
14429     case KSYM_Left:
14430       id = GADGET_ID_SCROLL_LEFT;
14431       break;
14432     case KSYM_Right:
14433       id = GADGET_ID_SCROLL_RIGHT;
14434       break;
14435     case KSYM_Up:
14436       id = GADGET_ID_SCROLL_UP;
14437       break;
14438     case KSYM_Down:
14439       id = GADGET_ID_SCROLL_DOWN;
14440       break;
14441
14442     case KSYM_Page_Up:
14443     case KSYM_Page_Down:
14444       step *= (key == KSYM_Page_Up ? -1 : +1);
14445       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14446
14447       if (element_shift < 0)
14448         element_shift = 0;
14449       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14450         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14451
14452       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14453                    GDI_SCROLLBAR_ITEM_POSITION,
14454                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14455
14456       ModifyEditorElementList();
14457
14458       break;
14459
14460     case KSYM_Home:
14461     case KSYM_End:
14462       element_shift = (key == KSYM_Home ? 0 :
14463                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14464
14465       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14466                    GDI_SCROLLBAR_ITEM_POSITION,
14467                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14468
14469       ModifyEditorElementList();
14470
14471       break;
14472
14473     case KSYM_Insert:
14474     case KSYM_Delete:
14475
14476       // this is needed to prevent interference with running "True X-Mouse"
14477       if (GetKeyModStateFromEvents() & KMOD_Control)
14478         break;
14479
14480       // check for last or next editor cascade block in element list
14481       for (i = 0; i < num_editor_elements; i++)
14482       {
14483         if ((key == KSYM_Insert && i == element_shift) ||
14484             (key == KSYM_Delete && new_element_shift > element_shift))
14485           break;
14486
14487         // jump to next cascade block (or to start of element list)
14488         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14489           new_element_shift = i;
14490       }
14491
14492       if (i < num_editor_elements)
14493         element_shift = new_element_shift;
14494
14495       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14496         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14497
14498       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14499                    GDI_SCROLLBAR_ITEM_POSITION,
14500                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14501
14502       ModifyEditorElementList();
14503
14504       break;
14505
14506     case KSYM_Escape:
14507       if (edit_mode == ED_MODE_DRAWING)
14508         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14509       else if (edit_mode == ED_MODE_INFO)
14510         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14511       else if (edit_mode == ED_MODE_PROPERTIES)
14512         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14513       else if (edit_mode == ED_MODE_PALETTE)
14514         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14515       else              // should never happen
14516         ChangeEditModeWindow(ED_MODE_DRAWING);
14517
14518       break;
14519
14520     default:
14521       break;
14522   }
14523
14524   if (id != GADGET_ID_NONE)
14525     ClickOnGadget(level_editor_gadget[id], button);
14526   else if (letter == '1' || letter == '?')
14527     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14528   else if (letter == '2')
14529     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14530   else if (letter == '3')
14531     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14532   else if (letter == '.')
14533     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14534   else if (letter == 'U')
14535     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14536   else if (letter == '-' || key == KSYM_KP_Subtract)
14537     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14538   else if (letter == '0' || key == KSYM_KP_0)
14539     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14540   else if (letter == '+' || key == KSYM_KP_Add ||
14541            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14542     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14543   else if (key == KSYM_Return ||
14544            key == KSYM_space ||
14545            key == setup.shortcut.toggle_pause)
14546     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14547   else
14548     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14549       if (letter && letter == controlbutton_info[i].shortcut)
14550         if (!anyTextGadgetActive())
14551           ClickOnGadget(level_editor_gadget[i], button);
14552 }
14553
14554 static void HandleLevelEditorIdle_Properties(void)
14555 {
14556   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14557   int x = editor.settings.element_graphic.x + element_border;
14558   int y = editor.settings.element_graphic.y + element_border;
14559   static DelayCounter action_delay = { 0 };
14560   int i;
14561
14562   action_delay.value = GameFrameDelay;
14563
14564   if (!DelayReached(&action_delay))
14565     return;
14566
14567   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14568   {
14569     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14570
14571     if (gi->mapped && gi->active && gi->selectbox.open)
14572       return;
14573   }
14574
14575   DrawEditorElementAnimation(SX + x, SY + y);
14576
14577   redraw_mask |= REDRAW_FIELD;
14578
14579   FrameCounter++;       // increase animation frame counter
14580 }
14581
14582 static void HandleLevelEditorIdle_Drawing(void)
14583 {
14584   static boolean last_highlighted = FALSE;
14585   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14586
14587   if (highlighted != last_highlighted)
14588   {
14589     DrawAreaElementHighlight(highlighted);
14590
14591     last_highlighted = highlighted;
14592
14593     redraw_mask |= REDRAW_FIELD;
14594   }
14595 }
14596
14597 void HandleLevelEditorIdle(void)
14598 {
14599   if (edit_mode == ED_MODE_PROPERTIES)
14600     HandleLevelEditorIdle_Properties();
14601   else if (edit_mode == ED_MODE_DRAWING)
14602     HandleLevelEditorIdle_Drawing();
14603 }
14604
14605 static void ClearEditorGadgetInfoText(void)
14606 {
14607   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14608 }
14609
14610 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14611 {
14612   char infotext[MAX_OUTPUT_LINESIZE + 1];
14613   int max_infotext_len = getMaxInfoTextLength();
14614
14615   if (gi == NULL || strlen(gi->info_text) == 0)
14616     return;
14617
14618   strncpy(infotext, gi->info_text, max_infotext_len);
14619   infotext[max_infotext_len] = '\0';
14620
14621   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14622   {
14623     int key = controlbutton_info[gi->custom_id].shortcut;
14624
14625     if (key)
14626     {
14627       char shortcut[MAX_OUTPUT_LINESIZE + 1];
14628
14629       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14630         sprintf(shortcut, " ('.' or '%c')", key);
14631       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14632         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14633       else if (gi->custom_id == GADGET_ID_TEST)
14634         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14635       else if (gi->custom_id == GADGET_ID_UNDO)
14636         sprintf(shortcut, " ('%c/Shift-U')", key);
14637       else if (gi->custom_id == GADGET_ID_ZOOM)
14638         sprintf(shortcut, " ('%c', '0', '-')", key);
14639       else
14640         sprintf(shortcut, " ('%s%c')",
14641                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14642
14643       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14644         strcat(infotext, shortcut);
14645     }
14646   }
14647
14648   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14649 }
14650
14651 void HandleEditorGadgetInfoText(void *ptr)
14652 {
14653   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14654
14655   if (game_status != GAME_MODE_EDITOR)
14656     return;
14657
14658   ClearEditorGadgetInfoText();
14659
14660   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14661     return;
14662
14663   // misuse this function to delete brush cursor, if needed
14664   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14665     DeleteBrushFromCursor();
14666
14667   PrintEditorGadgetInfoText(gi);
14668 }
14669
14670 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14671 {
14672   int id = gi->custom_id;
14673   int type_id = gi->custom_type_id;
14674   int sx = gi->event.x;
14675   int sy = gi->event.y;
14676   int lx = sx + level_xpos;
14677   int ly = sy + level_ypos;
14678   int min_sx = 0, min_sy = 0;
14679   int max_sx = gi->drawing.area_xsize - 1;
14680   int max_sy = gi->drawing.area_ysize - 1;
14681   int actual_drawing_function = drawing_function;
14682   int max_infotext_len = getMaxInfoTextLength();
14683   char infotext[MAX_OUTPUT_LINESIZE + 1];
14684
14685   infotext[0] = '\0';           // start with empty info text
14686
14687   // pressed Control key: simulate picking element
14688   if (GetKeyModState() & KMOD_Control)
14689     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14690
14691   ClearEditorGadgetInfoText();
14692
14693   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14694     return;
14695
14696   // make sure to stay inside drawing area boundaries
14697   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14698   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14699
14700   if (id == GADGET_ID_DRAWING_LEVEL)
14701   {
14702     if (button_status)
14703     {
14704       int min_lx = 0, min_ly = 0;
14705       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14706
14707       // get positions inside level field
14708       lx = sx + level_xpos;
14709       ly = sy + level_ypos;
14710
14711       // make sure to stay inside level field boundaries
14712       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14713       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14714
14715       // correct drawing area positions accordingly
14716       sx = lx - level_xpos;
14717       sy = ly - level_ypos;
14718     }
14719
14720     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14721     {
14722       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14723       {
14724         static int start_lx = 0;
14725         static int start_ly = 0;
14726         char *text;
14727
14728         if (gi->event.type == GD_EVENT_PRESSED)
14729         {
14730           start_lx = lx;
14731           start_ly = ly;
14732         }
14733
14734         switch (actual_drawing_function)
14735         {
14736           case GADGET_ID_SINGLE_ITEMS:
14737             text = "Drawing single items";
14738             break;
14739           case GADGET_ID_CONNECTED_ITEMS:
14740             text = "Drawing connected items";
14741             break;
14742           case GADGET_ID_LINE:
14743             text = "Drawing line";
14744             break;
14745           case GADGET_ID_ARC:
14746             text = "Drawing arc";
14747             break;
14748           case GADGET_ID_TEXT:
14749             text = "Setting text cursor";
14750             break;
14751           case GADGET_ID_RECTANGLE:
14752             text = "Drawing rectangle";
14753             break;
14754           case GADGET_ID_FILLED_BOX:
14755             text = "Drawing filled box";
14756             break;
14757           case GADGET_ID_FLOOD_FILL:
14758             text = "Flood fill";
14759             break;
14760           case GADGET_ID_GRAB_BRUSH:
14761             text = "Grabbing brush";
14762             break;
14763           case GADGET_ID_PICK_ELEMENT:
14764             text = "Picking element";
14765             break;
14766
14767           default:
14768             text = "Drawing position";
14769             break;
14770         }
14771
14772         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14773           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14774         else
14775           sprintf(infotext, "%s: %d, %d", text,
14776                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14777       }
14778       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14779         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14780       else
14781         sprintf(infotext, "Level position: %d, %d", lx, ly);
14782     }
14783
14784     // misuse this function to draw brush cursor, if needed
14785     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14786     {
14787       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14788         CopyBrushToCursor(sx, sy);
14789       else
14790         DeleteBrushFromCursor();
14791     }
14792
14793     if (!draw_with_brush)
14794       UpdateBrushPosition(sx, sy);
14795   }
14796   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14797   {
14798     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14799     int element = drawingarea_info[type_id].value[pos];
14800
14801     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14802   }
14803   else
14804   {
14805     if (id == GADGET_ID_CUSTOM_CONTENT)
14806       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14807     else if (id == GADGET_ID_GROUP_CONTENT)
14808       sprintf(infotext, "group element position: %d", sx + 1);
14809     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14810              id <= GADGET_ID_YAMYAM_CONTENT_7)
14811       sprintf(infotext, "content area %d position: %d, %d",
14812               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14813     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14814              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14815       sprintf(infotext, "content area %d position: %d, %d",
14816               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14817     else if (id == GADGET_ID_ANDROID_CONTENT)
14818       sprintf(infotext, "android element position: %d", sx + 1);
14819     else if (drawingarea_info[type_id].infotext != NULL)
14820       strcpy(infotext, drawingarea_info[type_id].infotext);
14821   }
14822
14823   infotext[max_infotext_len] = '\0';
14824
14825   if (strlen(infotext) > 0)
14826     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14827 }
14828
14829 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14830                             boolean quick_quit)
14831 {
14832   if (!ask_if_level_has_changed ||
14833       !LevelChanged() ||
14834       Request("Level has changed! Exit without saving?",
14835               REQ_ASK | REQ_STAY_OPEN))
14836   {
14837     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14838     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14839
14840     // draw normal door
14841     UndrawSpecialEditorDoor();
14842
14843     // use door animation if door 1 viewport is unchanged and contains toolbox
14844     if (useEditorDoorAnimation())
14845       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14846
14847     // close editor doors if viewport definition is the same as in main menu
14848     if (vp_door_1->x      == DX     &&
14849         vp_door_1->y      == DY     &&
14850         vp_door_1->width  == DXSIZE &&
14851         vp_door_1->height == DYSIZE &&
14852         vp_door_2->x      == VX     &&
14853         vp_door_2->y      == VY     &&
14854         vp_door_2->width  == VXSIZE &&
14855         vp_door_2->height == VYSIZE)
14856       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14857     else
14858       SetDoorState(DOOR_CLOSE_2);
14859
14860     BackToFront();
14861
14862     if (quick_quit)
14863       FadeSkipNextFadeIn();
14864
14865     SetGameStatus(GAME_MODE_MAIN);
14866
14867     DrawMainMenu();
14868   }
14869   else
14870   {
14871     if (!global.use_envelope_request)
14872     {
14873       CloseDoor(DOOR_CLOSE_1);
14874       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14875     }
14876   }
14877 }