src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_INFO,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_CUSTOM_SCORE_DOWN,
 463   GADGET_ID_CUSTOM_SCORE_TEXT,
 464   GADGET_ID_CUSTOM_SCORE_UP,
 465   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 466   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 467   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 468   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 469   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 470   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 471   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_RND_UP,
 474   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 475   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 476   GADGET_ID_PUSH_DELAY_FIX_UP,
 477   GADGET_ID_PUSH_DELAY_RND_DOWN,
 478   GADGET_ID_PUSH_DELAY_RND_TEXT,
 479   GADGET_ID_PUSH_DELAY_RND_UP,
 480   GADGET_ID_DROP_DELAY_FIX_DOWN,
 481   GADGET_ID_DROP_DELAY_FIX_TEXT,
 482   GADGET_ID_DROP_DELAY_FIX_UP,
 483   GADGET_ID_DROP_DELAY_RND_DOWN,
 484   GADGET_ID_DROP_DELAY_RND_TEXT,
 485   GADGET_ID_DROP_DELAY_RND_UP,
 486   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 487   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 488   GADGET_ID_MOVE_DELAY_FIX_UP,
 489   GADGET_ID_MOVE_DELAY_RND_DOWN,
 490   GADGET_ID_MOVE_DELAY_RND_TEXT,
 491   GADGET_ID_MOVE_DELAY_RND_UP,
 492   GADGET_ID_STEP_DELAY_FIX_DOWN,
 493   GADGET_ID_STEP_DELAY_FIX_TEXT,
 494   GADGET_ID_STEP_DELAY_FIX_UP,
 495   GADGET_ID_STEP_DELAY_RND_DOWN,
 496   GADGET_ID_STEP_DELAY_RND_TEXT,
 497   GADGET_ID_STEP_DELAY_RND_UP,
 498   GADGET_ID_EXPLOSION_DELAY_DOWN,
 499   GADGET_ID_EXPLOSION_DELAY_TEXT,
 500   GADGET_ID_EXPLOSION_DELAY_UP,
 501   GADGET_ID_IGNITION_DELAY_DOWN,
 502   GADGET_ID_IGNITION_DELAY_TEXT,
 503   GADGET_ID_IGNITION_DELAY_UP,
 504   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 505   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 506   GADGET_ID_CHANGE_DELAY_FIX_UP,
 507   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 508   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 509   GADGET_ID_CHANGE_DELAY_RND_UP,
 510   GADGET_ID_CHANGE_CONT_RND_DOWN,
 511   GADGET_ID_CHANGE_CONT_RND_TEXT,
 512   GADGET_ID_CHANGE_CONT_RND_UP,
 513   GADGET_ID_GROUP_CONTENT_DOWN,
 514   GADGET_ID_GROUP_CONTENT_TEXT,
 515   GADGET_ID_GROUP_CONTENT_UP,
 516
 517   // drawing area identifiers
 518
 519   GADGET_ID_DRAWING_LEVEL,
 520   GADGET_ID_YAMYAM_CONTENT_0,
 521   GADGET_ID_YAMYAM_CONTENT_1,
 522   GADGET_ID_YAMYAM_CONTENT_2,
 523   GADGET_ID_YAMYAM_CONTENT_3,
 524   GADGET_ID_YAMYAM_CONTENT_4,
 525   GADGET_ID_YAMYAM_CONTENT_5,
 526   GADGET_ID_YAMYAM_CONTENT_6,
 527   GADGET_ID_YAMYAM_CONTENT_7,
 528   GADGET_ID_MAGIC_BALL_CONTENT_0,
 529   GADGET_ID_MAGIC_BALL_CONTENT_1,
 530   GADGET_ID_MAGIC_BALL_CONTENT_2,
 531   GADGET_ID_MAGIC_BALL_CONTENT_3,
 532   GADGET_ID_MAGIC_BALL_CONTENT_4,
 533   GADGET_ID_MAGIC_BALL_CONTENT_5,
 534   GADGET_ID_MAGIC_BALL_CONTENT_6,
 535   GADGET_ID_MAGIC_BALL_CONTENT_7,
 536   GADGET_ID_ANDROID_CONTENT,
 537   GADGET_ID_AMOEBA_CONTENT,
 538   GADGET_ID_START_ELEMENT,
 539   GADGET_ID_ARTWORK_ELEMENT,
 540   GADGET_ID_EXPLOSION_ELEMENT,
 541   GADGET_ID_INVENTORY_CONTENT,
 542   GADGET_ID_CUSTOM_GRAPHIC,
 543   GADGET_ID_CUSTOM_CONTENT,
 544   GADGET_ID_CUSTOM_MOVE_ENTER,
 545   GADGET_ID_CUSTOM_MOVE_LEAVE,
 546   GADGET_ID_CUSTOM_CHANGE_TARGET,
 547   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 548   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 549   GADGET_ID_CUSTOM_CHANGE_ACTION,
 550   GADGET_ID_GROUP_CONTENT,
 551   GADGET_ID_RANDOM_BACKGROUND,
 552
 553   // text input identifiers
 554
 555   GADGET_ID_LEVEL_NAME,
 556   GADGET_ID_LEVEL_AUTHOR,
 557   GADGET_ID_LEVELSET_NAME,
 558   GADGET_ID_LEVELSET_AUTHOR,
 559   GADGET_ID_ELEMENT_NAME,
 560
 561   // text area identifiers
 562
 563   GADGET_ID_ENVELOPE_INFO,
 564
 565   // selectbox identifiers
 566
 567   GADGET_ID_TIME_OR_STEPS,
 568   GADGET_ID_TIME_SCORE_BASE,
 569   GADGET_ID_GAME_ENGINE_TYPE,
 570   GADGET_ID_LEVELSET_SAVE_MODE,
 571   GADGET_ID_WIND_DIRECTION,
 572   GADGET_ID_PLAYER_SPEED,
 573   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 574   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 575   GADGET_ID_CUSTOM_DEADLINESS,
 576   GADGET_ID_CUSTOM_MOVE_PATTERN,
 577   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 578   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 579   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 580   GADGET_ID_CUSTOM_SMASH_TARGETS,
 581   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 582   GADGET_ID_CUSTOM_ACCESS_TYPE,
 583   GADGET_ID_CUSTOM_ACCESS_LAYER,
 584   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 585   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 586   GADGET_ID_CHANGE_TIME_UNITS,
 587   GADGET_ID_CHANGE_DIRECT_ACTION,
 588   GADGET_ID_CHANGE_OTHER_ACTION,
 589   GADGET_ID_CHANGE_SIDE,
 590   GADGET_ID_CHANGE_PLAYER,
 591   GADGET_ID_CHANGE_PAGE,
 592   GADGET_ID_CHANGE_REPLACE_WHEN,
 593   GADGET_ID_ACTION_TYPE,
 594   GADGET_ID_ACTION_MODE,
 595   GADGET_ID_ACTION_ARG,
 596   GADGET_ID_SELECT_CHANGE_PAGE,
 597   GADGET_ID_GROUP_CHOICE_MODE,
 598
 599   // textbutton identifiers
 600
 601   GADGET_ID_LEVELINFO_LEVEL,
 602   GADGET_ID_LEVELINFO_LEVELSET,
 603   GADGET_ID_LEVELINFO_EDITOR,
 604   GADGET_ID_PROPERTIES_INFO,
 605   GADGET_ID_PROPERTIES_CONFIG,
 606   GADGET_ID_PROPERTIES_CONFIG_1,
 607   GADGET_ID_PROPERTIES_CONFIG_2,
 608   GADGET_ID_PROPERTIES_CHANGE,
 609   GADGET_ID_SAVE_AS_TEMPLATE_1,
 610   GADGET_ID_SAVE_AS_TEMPLATE_2,
 611   GADGET_ID_SAVE_LEVELSET,
 612   GADGET_ID_ADD_CHANGE_PAGE,
 613   GADGET_ID_DEL_CHANGE_PAGE,
 614
 615   // graphicbutton identifiers
 616
 617   GADGET_ID_PREV_CHANGE_PAGE,
 618   GADGET_ID_NEXT_CHANGE_PAGE,
 619   GADGET_ID_COPY_CHANGE_PAGE,
 620   GADGET_ID_PASTE_CHANGE_PAGE,
 621
 622   // gadgets for scrolling of drawing area
 623
 624   GADGET_ID_SCROLL_UP,
 625   GADGET_ID_SCROLL_DOWN,
 626   GADGET_ID_SCROLL_LEFT,
 627   GADGET_ID_SCROLL_RIGHT,
 628   GADGET_ID_SCROLL_HORIZONTAL,
 629   GADGET_ID_SCROLL_VERTICAL,
 630
 631   // gadgets for scrolling element list
 632
 633   GADGET_ID_SCROLL_LIST_UP,
 634   GADGET_ID_SCROLL_LIST_DOWN,
 635   GADGET_ID_SCROLL_LIST_VERTICAL,
 636
 637   // checkbuttons/radiobuttons for level/element properties
 638
 639   GADGET_ID_AUTO_COUNT_GEMS,
 640   GADGET_ID_RATE_TIME_OVER_SCORE,
 641   GADGET_ID_USE_LEVELSET_ARTWORK,
 642   GADGET_ID_COPY_LEVEL_TEMPLATE,
 643   GADGET_ID_RANDOM_PERCENTAGE,
 644   GADGET_ID_RANDOM_QUANTITY,
 645   GADGET_ID_RANDOM_RESTRICTED,
 646   GADGET_ID_STICK_ELEMENT,
 647   GADGET_ID_EM_SLIPPERY_GEMS,
 648   GADGET_ID_EM_EXPLODES_BY_FIRE,
 649   GADGET_ID_USE_SPRING_BUG,
 650   GADGET_ID_USE_TIME_ORB_BUG,
 651   GADGET_ID_USE_LIFE_BUGS,
 652   GADGET_ID_RANDOM_BALL_CONTENT,
 653   GADGET_ID_INITIAL_BALL_ACTIVE,
 654   GADGET_ID_GROW_INTO_DIGGABLE,
 655   GADGET_ID_SB_FIELDS_NEEDED,
 656   GADGET_ID_SB_OBJECTS_NEEDED,
 657   GADGET_ID_AUTO_EXIT_SOKOBAN,
 658   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 659   GADGET_ID_FINISH_DIG_COLLECT,
 660   GADGET_ID_KEEP_WALKABLE_CE,
 661   GADGET_ID_CONTINUOUS_SNAPPING,
 662   GADGET_ID_BLOCK_SNAP_FIELD,
 663   GADGET_ID_BLOCK_LAST_FIELD,
 664   GADGET_ID_SP_BLOCK_LAST_FIELD,
 665   GADGET_ID_INSTANT_RELOCATION,
 666   GADGET_ID_SHIFTED_RELOCATION,
 667   GADGET_ID_LAZY_RELOCATION,
 668   GADGET_ID_USE_START_ELEMENT,
 669   GADGET_ID_USE_ARTWORK_ELEMENT,
 670   GADGET_ID_USE_EXPLOSION_ELEMENT,
 671   GADGET_ID_INITIAL_GRAVITY,
 672   GADGET_ID_USE_INITIAL_INVENTORY,
 673   GADGET_ID_CAN_PASS_TO_WALKABLE,
 674   GADGET_ID_CAN_FALL_INTO_ACID,
 675   GADGET_ID_CAN_MOVE_INTO_ACID,
 676   GADGET_ID_DONT_COLLIDE_WITH,
 677   GADGET_ID_ENVELOPE_AUTOWRAP,
 678   GADGET_ID_ENVELOPE_CENTERED,
 679   GADGET_ID_MM_LASER_RED,
 680   GADGET_ID_MM_LASER_GREEN,
 681   GADGET_ID_MM_LASER_BLUE,
 682   GADGET_ID_DF_LASER_RED,
 683   GADGET_ID_DF_LASER_GREEN,
 684   GADGET_ID_DF_LASER_BLUE,
 685   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 686   GADGET_ID_CUSTOM_CAN_EXPLODE,
 687   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 688   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 689   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 690   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 691   GADGET_ID_CUSTOM_DEADLY,
 692   GADGET_ID_CUSTOM_CAN_MOVE,
 693   GADGET_ID_CUSTOM_CAN_FALL,
 694   GADGET_ID_CUSTOM_CAN_SMASH,
 695   GADGET_ID_CUSTOM_SLIPPERY,
 696   GADGET_ID_CUSTOM_ACCESSIBLE,
 697   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 698   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 699   GADGET_ID_CUSTOM_USE_GRAPHIC,
 700   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 701   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 702   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 703   GADGET_ID_CUSTOM_CAN_CHANGE,
 704   GADGET_ID_CHANGE_USE_CONTENT,
 705   GADGET_ID_CHANGE_USE_EXPLOSION,
 706   GADGET_ID_CHANGE_ONLY_COMPLETE,
 707   GADGET_ID_CHANGE_USE_RANDOM,
 708   GADGET_ID_CHANGE_HAS_ACTION,
 709   GADGET_ID_CHANGE_DELAY,
 710   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 711   GADGET_ID_CHANGE_BY_OTHER_ACT,
 712
 713   NUM_STATIC_GADGET_IDS
 714 };
 715
 716 // gadgets for buttons in element list (dynamic)
 717 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 718 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 719                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 720
 721 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 722
 723 // radio button numbers
 724 enum
 725 {
 726   RADIO_NR_NONE,
 727   RADIO_NR_DRAWING_TOOLBOX,
 728   RADIO_NR_RANDOM_ELEMENTS
 729 };
 730
 731 // values for counter gadgets
 732 enum
 733 {
 734   ED_COUNTER_ID_SELECT_LEVEL,
 735   ED_COUNTER_ID_LEVEL_XSIZE,
 736   ED_COUNTER_ID_LEVEL_YSIZE,
 737   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 738   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 739   ED_COUNTER_ID_LEVEL_TIMESCORE,
 740   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 741   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 742   ED_COUNTER_ID_LEVEL_RANDOM,
 743   ED_COUNTER_ID_ELEMENT_VALUE1,
 744   ED_COUNTER_ID_ELEMENT_VALUE2,
 745   ED_COUNTER_ID_ELEMENT_VALUE3,
 746   ED_COUNTER_ID_ELEMENT_VALUE4,
 747   ED_COUNTER_ID_YAMYAM_CONTENT,
 748   ED_COUNTER_ID_BALL_CONTENT,
 749   ED_COUNTER_ID_ANDROID_CONTENT,
 750   ED_COUNTER_ID_ENVELOPE_XSIZE,
 751   ED_COUNTER_ID_ENVELOPE_YSIZE,
 752   ED_COUNTER_ID_INVENTORY_SIZE,
 753   ED_COUNTER_ID_CUSTOM_SCORE,
 754   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 755   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 756   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 757   ED_COUNTER_ID_PUSH_DELAY_FIX,
 758   ED_COUNTER_ID_PUSH_DELAY_RND,
 759   ED_COUNTER_ID_DROP_DELAY_FIX,
 760   ED_COUNTER_ID_DROP_DELAY_RND,
 761   ED_COUNTER_ID_MOVE_DELAY_FIX,
 762   ED_COUNTER_ID_MOVE_DELAY_RND,
 763   ED_COUNTER_ID_STEP_DELAY_FIX,
 764   ED_COUNTER_ID_STEP_DELAY_RND,
 765   ED_COUNTER_ID_EXPLOSION_DELAY,
 766   ED_COUNTER_ID_IGNITION_DELAY,
 767   ED_COUNTER_ID_GROUP_CONTENT,
 768   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 769   ED_COUNTER_ID_CHANGE_DELAY_RND,
 770   ED_COUNTER_ID_CHANGE_CONT_RND,
 771
 772   ED_NUM_COUNTERBUTTONS
 773 };
 774
 775 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 776 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 777 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 778 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 779 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 780 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 781
 782 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 783 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 784 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 785 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 786 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 787 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 788
 789 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 790 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 791
 792 // values for scrollbutton gadgets
 793 enum
 794 {
 795   ED_SCROLLBUTTON_ID_AREA_UP,
 796   ED_SCROLLBUTTON_ID_AREA_DOWN,
 797   ED_SCROLLBUTTON_ID_AREA_LEFT,
 798   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 799   ED_SCROLLBUTTON_ID_LIST_UP,
 800   ED_SCROLLBUTTON_ID_LIST_DOWN,
 801
 802   ED_NUM_SCROLLBUTTONS
 803 };
 804
 805 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 806 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 807
 808 // values for scrollbar gadgets
 809 enum
 810 {
 811   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 812   ED_SCROLLBAR_ID_AREA_VERTICAL,
 813   ED_SCROLLBAR_ID_LIST_VERTICAL,
 814
 815   ED_NUM_SCROLLBARS
 816 };
 817
 818 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 819 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 820
 821 // values for text input gadgets
 822 enum
 823 {
 824   ED_TEXTINPUT_ID_LEVEL_NAME,
 825   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 826   ED_TEXTINPUT_ID_LEVELSET_NAME,
 827   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 828   ED_TEXTINPUT_ID_ELEMENT_NAME,
 829
 830   ED_NUM_TEXTINPUT
 831 };
 832
 833 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 834 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 835
 836 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 837 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 838
 839 // values for text area gadgets
 840 enum
 841 {
 842   ED_TEXTAREA_ID_ENVELOPE_INFO,
 843
 844   ED_NUM_TEXTAREAS
 845 };
 846
 847 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 848 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 849
 850 // values for selectbox gadgets
 851 enum
 852 {
 853   ED_SELECTBOX_ID_TIME_OR_STEPS,
 854   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 855   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 856   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 857   ED_SELECTBOX_ID_WIND_DIRECTION,
 858   ED_SELECTBOX_ID_PLAYER_SPEED,
 859   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 860   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 861   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 862   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 863   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 864   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 865   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 866   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 867   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 868   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 869   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 870   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 871   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 872   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 873   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 874   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 875   ED_SELECTBOX_ID_CHANGE_SIDE,
 876   ED_SELECTBOX_ID_CHANGE_PLAYER,
 877   ED_SELECTBOX_ID_CHANGE_PAGE,
 878   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 879   ED_SELECTBOX_ID_ACTION_TYPE,
 880   ED_SELECTBOX_ID_ACTION_MODE,
 881   ED_SELECTBOX_ID_ACTION_ARG,
 882   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 883   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 884
 885   ED_NUM_SELECTBOX
 886 };
 887
 888 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 889 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 890
 891 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 892 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 893
 894 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 895 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 896 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 897 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 898 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 899 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 900
 901 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 902 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 903
 904 // values for textbutton gadgets
 905 enum
 906 {
 907   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 908   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 909   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 910   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 911   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 912   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 913   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 914   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 915   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 916   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 917   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 918   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 919   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 920
 921   ED_NUM_TEXTBUTTONS
 922 };
 923
 924 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 925 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 926
 927 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 928 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 929
 930 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 931 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 932
 933 // values for graphicbutton gadgets
 934 enum
 935 {
 936   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 937   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 938   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 939   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 940
 941   ED_NUM_GRAPHICBUTTONS
 942 };
 943
 944 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 945 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 946
 947 // values for checkbutton gadgets
 948 enum
 949 {
 950   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 951   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 952   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 953   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 954   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 955   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 956   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 957   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 958   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 959   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 960   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 961   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 962   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 963   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 964   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 965   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 966   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 967   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 968   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 969   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 970   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
 971   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
 972   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 973   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 974   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 975   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 976   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 977   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 978   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 979   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 980   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 981   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 982   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 983   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 984   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 985   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 986   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 987   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 988   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 989   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 990   ED_CHECKBUTTON_ID_MM_LASER_RED,
 991   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 992   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 993   ED_CHECKBUTTON_ID_DF_LASER_RED,
 994   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 995   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 996   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 997   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 998   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 999   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1000   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1001   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1002   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1003   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1004   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1005   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1006   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1007   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1008   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1009   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1010   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1011   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1012   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1013   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1014   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1015   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1016   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1017   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1018   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1019   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1020   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1021
1022   ED_NUM_CHECKBUTTONS
1023 };
1024
1025 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1026 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1027
1028 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1029 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1030
1031 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1032 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1033
1034 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1035 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1036 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1037 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1038 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1039 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1040
1041 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1042 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1043
1044 // values for radiobutton gadgets
1045 enum
1046 {
1047   ED_RADIOBUTTON_ID_PERCENTAGE,
1048   ED_RADIOBUTTON_ID_QUANTITY,
1049
1050   ED_NUM_RADIOBUTTONS
1051 };
1052
1053 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1054 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1055
1056 // values for drawing area gadgets
1057 enum
1058 {
1059   ED_DRAWING_ID_DRAWING_LEVEL,
1060   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1061   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1062   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1063   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1064   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1065   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1066   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1067   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1068   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1069   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1070   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1071   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1072   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1073   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1074   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1075   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1076   ED_DRAWING_ID_ANDROID_CONTENT,
1077   ED_DRAWING_ID_AMOEBA_CONTENT,
1078   ED_DRAWING_ID_START_ELEMENT,
1079   ED_DRAWING_ID_ARTWORK_ELEMENT,
1080   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1081   ED_DRAWING_ID_INVENTORY_CONTENT,
1082   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1083   ED_DRAWING_ID_CUSTOM_CONTENT,
1084   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1085   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1086   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1087   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1088   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1089   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1090   ED_DRAWING_ID_GROUP_CONTENT,
1091   ED_DRAWING_ID_RANDOM_BACKGROUND,
1092
1093   ED_NUM_DRAWING_AREAS
1094 };
1095
1096 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1097 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1098
1099
1100 // ----------------------------------------------------------------------------
1101 // some internally used definitions
1102 // ----------------------------------------------------------------------------
1103
1104 // values for CopyLevelToUndoBuffer()
1105 #define UNDO_IMMEDIATE                  0
1106 #define UNDO_ACCUMULATE                 1
1107
1108 // values for scrollbars
1109 #define ED_SCROLL_NO                    0
1110 #define ED_SCROLL_LEFT                  1
1111 #define ED_SCROLL_RIGHT                 2
1112 #define ED_SCROLL_UP                    4
1113 #define ED_SCROLL_DOWN                  8
1114
1115 // screens in the level editor
1116 #define ED_MODE_DRAWING                 0
1117 #define ED_MODE_INFO                    1
1118 #define ED_MODE_PROPERTIES              2
1119 #define ED_MODE_PALETTE                 3
1120
1121 // sub-screens in the global settings section
1122 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1123 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1124 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1125
1126 // sub-screens in the element properties section
1127 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1128 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1129 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1130 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1131 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1132
1133 // how many steps can be cancelled
1134 #define NUM_UNDO_STEPS                  (64 + 1)
1135
1136 // values for elements with score for certain actions
1137 #define MIN_SCORE                       0
1138 #define MAX_SCORE                       999
1139
1140 // values for elements with count for collecting
1141 #define MIN_COLLECT_COUNT               0
1142 #define MAX_COLLECT_COUNT               999
1143
1144 // values for random placement
1145 #define RANDOM_USE_PERCENTAGE           0
1146 #define RANDOM_USE_QUANTITY             1
1147
1148 // values for level set save mode
1149 #define LEVELSET_SAVE_MODE_UPDATE       0
1150 #define LEVELSET_SAVE_MODE_CREATE       1
1151
1152 // default value for element tile size in drawing area
1153 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1154 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1155
1156
1157 // ----------------------------------------------------------------------------
1158 // some internally used data structure definitions
1159 // ----------------------------------------------------------------------------
1160
1161 static struct
1162 {
1163   int graphic;
1164   int gadget_id;
1165   struct XYTileSize *pos;
1166   int gadget_type;
1167   char *infotext;
1168   char shortcut;
1169 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1170 {
1171   // note: some additional characters are already reserved for "cheat mode"
1172   // shortcuts (":XYZ" style) -- for details, see "events.c"
1173
1174   // ---------- toolbox control buttons ---------------------------------------
1175
1176   {
1177     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1178     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1179     "draw single items",                        's'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1183     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1184     "draw connected items",                     'd'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1188     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1189     "draw lines",                               'l'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1193     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1194     "draw arcs",                                'a'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1198     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1199     "draw outline rectangles",                  'r'
1200   },
1201   {
1202     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1203     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1204     "draw filled rectangles",                   'R'
1205   },
1206   {
1207     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1208     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1209     "wrap (rotate) level up",                   0
1210   },
1211   {
1212     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1213     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1214     "enter text elements",                      't'
1215   },
1216   {
1217     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1218     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1219     "flood fill",                               'f'
1220   },
1221   {
1222     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1223     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1224     "wrap (rotate) level left",                 0
1225   },
1226   {
1227     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1228     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1229     "zoom level tile size",                     '+'
1230   },
1231   {
1232     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1233     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1234     "wrap (rotate) level right",                0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1238     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1239     "random element placement",                 0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1243     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1244     "grab brush",                               'b'
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1248     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1249     "wrap (rotate) level down",                 0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1253     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1254     "pick drawing element",                     ','
1255   },
1256
1257   // ---------- level control buttons -----------------------------------------
1258
1259   {
1260     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1261     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1262     "undo/redo last operation",                 'u'
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1266     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1267     "properties of level",                      'I'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1271     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1272     "save level",                               'S'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1276     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1277     "clear level",                              'C'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1281     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1282     "test level",                               'T'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1286     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1287     "exit level editor",                        'E'
1288   },
1289
1290   // ---------- CE and GE control buttons -------------------------------------
1291
1292   {
1293     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1294     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1295     "copy settings from other element",         0
1296   },
1297   {
1298     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1299     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1300     "copy settings to other element",           0
1301   },
1302   {
1303     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1304     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1305     "exchange element with other element",      0
1306   },
1307   {
1308     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1309     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1310     "copy settings from this element",          0
1311   },
1312   {
1313     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1314     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1315     "paste settings to this element",           0
1316   },
1317
1318   // ---------- palette control buttons ---------------------------------------
1319
1320   {
1321     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1322     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1323     "properties of drawing element",            'p'
1324   },
1325   {
1326     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1327     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1328     "properties of drawing element 1",          '1'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1332     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1333     "properties of drawing element 2",          '2'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1337     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1338     "properties of drawing element 3",          '3'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1342     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1343     "show list of elements",                    'e'
1344   }
1345 };
1346
1347 static int random_placement_value = 10;
1348 static int random_placement_method = RANDOM_USE_QUANTITY;
1349 static int random_placement_background_element = EL_SAND;
1350 static boolean random_placement_background_restricted = FALSE;
1351 static boolean stick_element_properties_window = FALSE;
1352 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1353 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1354 static struct ElementChangeInfo custom_element_change;
1355 static struct ElementGroupInfo group_element_info;
1356 static struct ElementInfo custom_element;
1357
1358 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1359 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1360 static int levelset_num_levels = 100;
1361 static boolean levelset_use_levelset_artwork = FALSE;
1362 static boolean levelset_copy_level_template = FALSE;
1363 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1364
1365 static struct
1366 {
1367   int x, y;
1368   int min_value, max_value;
1369   int gadget_id_down, gadget_id_up;
1370   int gadget_id_text;
1371   int gadget_id_align;
1372   int *value;
1373   char *text_above, *text_left, *text_right;
1374 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1375 {
1376   // ---------- current level number ------------------------------------------
1377
1378   {
1379     -1, -1,     // these values are not constant, but can change at runtime
1380     1,                                  100,
1381     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1382     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1383     &level_nr,
1384     NULL,                               NULL, NULL
1385   },
1386
1387   // ---------- level and editor settings -------------------------------------
1388
1389   {
1390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1391     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1392     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1393     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1394     &level.fieldx,
1395     "playfield size:",                  NULL, "width",
1396   },
1397   {
1398     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1399     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1400     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1401     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1402     &level.fieldy,
1403     NULL,                               " ", "height",
1404   },
1405   {
1406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1407     0,                                  999,
1408     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1409     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1410     &level.gems_needed,
1411     NULL,                               "number of gems to collect:", NULL
1412   },
1413   {
1414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1415     0,                                  9999,
1416     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1417     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1418     &level.time,
1419     "time or step limit to solve level:", NULL, NULL
1420   },
1421   {
1422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1423     0,                                  999,
1424     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1425     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1426     &level.score[SC_TIME_BONUS],
1427     "score for time or steps left:",    NULL, NULL
1428   },
1429   {
1430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1431     0,                                  9999,
1432     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1433     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1434     &level.random_seed,
1435     NULL,                               "random seed:", "(0 => random)"
1436   },
1437   {
1438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1439     1,                                  MAX_LEVELS,
1440     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1441     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1442     &levelset_num_levels,
1443     "number of levels:",                NULL, NULL,
1444   },
1445   {
1446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1447     1,                                  100,
1448     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1449     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1450     &random_placement_value,
1451     "random element placement:",        NULL, "in"
1452   },
1453
1454   // ---------- element settings: configure (various elements) ----------------
1455
1456   {
1457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1458     MIN_SCORE,                          MAX_SCORE,
1459     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1460     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1461     NULL,                               // will be set when used
1462     NULL,                               NULL, NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1466     MIN_SCORE,                          MAX_SCORE,
1467     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1468     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1469     NULL,                               // will be set when used
1470     NULL,                               NULL, NULL
1471   },
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1474     MIN_SCORE,                          MAX_SCORE,
1475     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1476     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1477     NULL,                               // will be set when used
1478     NULL,                               NULL, NULL
1479   },
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1482     MIN_SCORE,                          MAX_SCORE,
1483     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1484     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1485     NULL,                               // will be set when used
1486     NULL,                               NULL, NULL
1487   },
1488   {
1489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1490     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1491     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1492     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1493     &level.num_yamyam_contents,
1494     NULL,                               NULL, "number of content areas"
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1498     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1499     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1500     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1501     &level.num_ball_contents,
1502     NULL,                               NULL, "number of content areas"
1503   },
1504   {
1505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1506     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1507     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1508     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1509     &level.num_android_clone_elements,
1510     NULL,                               NULL, "number of clonable elements"
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1514     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1515     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1516     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1517     NULL,                               // will be set when used
1518     NULL,                               NULL, "width",
1519   },
1520   {
1521     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1522     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1523     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1524     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1525     NULL,                               // will be set when used
1526     NULL,                               " ", "height",
1527   },
1528   {
1529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1530     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1531     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1532     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1533     &level.initial_inventory_size[0],
1534     NULL,                               NULL, "number of inventory elements"
1535   },
1536
1537   // ---------- element settings: configure 1 (custom elements) ---------------
1538
1539   {
1540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1541     MIN_SCORE,                          MAX_SCORE,
1542     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1543     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1544     &custom_element.collect_score_initial,
1545     NULL,                               "CE score", " "
1546   },
1547   {
1548     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1549     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1550     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1551     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1552     &custom_element.collect_count_initial,
1553     NULL,                               "CE count", NULL
1554   },
1555   {
1556     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1557     0,                                  9999,
1558     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1559     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1560     &custom_element.ce_value_fixed_initial,
1561     NULL,                               "CE value", NULL
1562   },
1563   {
1564     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1565     0,                                  9999,
1566     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1567     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1568     &custom_element.ce_value_random_initial,
1569     NULL,                               "+random", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1573     0,                                  999,
1574     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1575     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1576     &custom_element.push_delay_fixed,
1577     NULL,                               "push delay", NULL
1578   },
1579   {
1580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1581     0,                                  999,
1582     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1583     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1584     &custom_element.push_delay_random,
1585     NULL,                               "+random", NULL
1586   },
1587   {
1588     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1589     0,                                  999,
1590     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1591     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1592     &custom_element.drop_delay_fixed,
1593     NULL,                               "drop delay", NULL
1594   },
1595   {
1596     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1597     0,                                  999,
1598     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1599     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1600     &custom_element.drop_delay_random,
1601     NULL,                               "+random", NULL
1602   },
1603
1604   // ---------- element settings: configure 2 (custom elements) ---------------
1605
1606   {
1607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1608     0,                                  999,
1609     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1610     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1611     &custom_element.move_delay_fixed,
1612     NULL,                               "move delay", NULL
1613   },
1614   {
1615     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1616     0,                                  999,
1617     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1618     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1619     &custom_element.move_delay_random,
1620     NULL,                               "+random", NULL
1621   },
1622   {
1623     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1624     0,                                  999,
1625     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1626     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1627     &custom_element.step_delay_fixed,
1628     NULL,                               "step delay", NULL
1629   },
1630   {
1631     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1632     0,                                  999,
1633     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1634     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1635     &custom_element.step_delay_random,
1636     NULL,                               "+random", NULL
1637   },
1638   {
1639     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1640     0,                                  999,
1641     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1642     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1643     &custom_element.explosion_delay,
1644     NULL,                               "explosion delay", NULL
1645   },
1646   {
1647     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1648     0,                                  999,
1649     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1650     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1651     &custom_element.ignition_delay,
1652     NULL,                               "ignition delay", "(by fire)"
1653   },
1654
1655   // ---------- element settings: configure (group elements) ------------------
1656
1657   {
1658     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1659     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1660     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1661     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1662     &group_element_info.num_elements,
1663     NULL,                               NULL, "number of elements in group"
1664   },
1665
1666   // ---------- element settings: advanced (custom elements) ------------------
1667
1668   {
1669     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1670     0,                                  999,
1671     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1672     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1673     &custom_element_change.delay_fixed,
1674     NULL,                               "CE delay", NULL,
1675   },
1676   {
1677     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1678     0,                                  999,
1679     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1680     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1681     &custom_element_change.delay_random,
1682     NULL,                               "+random", NULL
1683   },
1684   {
1685     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1686     0,                                  100,
1687     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1688     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1689     &custom_element_change.random_percentage,
1690     NULL,                               "use random replace:", "%"
1691   },
1692 };
1693
1694 static struct
1695 {
1696   int x, y;
1697   int gadget_id;
1698   int size;
1699   char *value;
1700   char *text_above, *infotext;
1701 } textinput_info[ED_NUM_TEXTINPUT] =
1702 {
1703   {
1704     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1705     GADGET_ID_LEVEL_NAME,
1706     MAX_LEVEL_NAME_LEN,
1707     level.name,
1708     "Title:", "Title for this level"
1709   },
1710   {
1711     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1712     GADGET_ID_LEVEL_AUTHOR,
1713     MAX_LEVEL_AUTHOR_LEN,
1714     level.author,
1715     "Author:", "Author for this level"
1716   },
1717   {
1718     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1719     GADGET_ID_LEVELSET_NAME,
1720     MAX_LEVEL_NAME_LEN,
1721     levelset_name,
1722     "Title:", "Title for this or new level set"
1723   },
1724   {
1725     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1726     GADGET_ID_LEVELSET_AUTHOR,
1727     MAX_LEVEL_AUTHOR_LEN,
1728     levelset_author,
1729     "Author:", "Author for this or new level set"
1730   },
1731   {
1732     -1, -1,     // these values are not constant, but can change at runtime
1733     GADGET_ID_ELEMENT_NAME,
1734     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1735     custom_element.description,
1736     NULL, "Element name"
1737   }
1738 };
1739
1740 static struct
1741 {
1742   int x, y;
1743   int gadget_id;
1744   int xsize, ysize;
1745   char *value;
1746   char *text_above, *infotext;
1747 } textarea_info[ED_NUM_TEXTAREAS] =
1748 {
1749   {
1750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1751     GADGET_ID_ENVELOPE_INFO,
1752     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1753     NULL,
1754     "Envelope Content:", "Envelope Content"
1755   }
1756 };
1757
1758 static struct ValueTextInfo options_time_or_steps[] =
1759 {
1760   { 0,                          "seconds"                       },
1761   { 1,                          "steps"                         },
1762
1763   { -1,                         NULL                            }
1764 };
1765
1766 static struct ValueTextInfo options_time_score_base[] =
1767 {
1768   { 1,                          "per second/step"               },
1769   { 10,                         "per 10 seconds/steps"          },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_game_engine_type[] =
1775 {
1776   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1777   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1778   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1779   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_levelset_save_mode[] =
1785 {
1786   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1787   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1788
1789   { -1,                         NULL                            }
1790 };
1791
1792 static struct ValueTextInfo options_wind_direction[] =
1793 {
1794   { MV_START_NONE,              "none"                          },
1795   { MV_START_LEFT,              "left"                          },
1796   { MV_START_RIGHT,             "right"                         },
1797   { MV_START_UP,                "up"                            },
1798   { MV_START_DOWN,              "down"                          },
1799
1800   { -1,                         NULL                            }
1801 };
1802
1803 static struct ValueTextInfo options_player_speed[] =
1804 {
1805   { 0,                          "frozen"                        },
1806   { 1,                          "very slow"                     },
1807   { 2,                          "slow"                          },
1808   { 4,                          "normal"                        },
1809   { 8,                          "fast"                          },
1810   { 16,                         "very fast"                     },
1811   { 32,                         "ultrafast"                     },
1812
1813   { -1,                         NULL                            }
1814 };
1815
1816 static struct ValueTextInfo options_access_type[] =
1817 {
1818   { EP_WALKABLE,                "walkable"                      },
1819   { EP_PASSABLE,                "passable"                      },
1820
1821   { -1,                         NULL                            }
1822 };
1823
1824 static struct ValueTextInfo options_access_layer[] =
1825 {
1826   { EP_ACCESSIBLE_OVER,         "over"                          },
1827   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1828   { EP_ACCESSIBLE_UNDER,        "under"                         },
1829
1830   { -1,                         NULL                            }
1831 };
1832
1833 static struct ValueTextInfo options_access_protected[] =
1834 {
1835   { 0,                          "unprotected"                   },
1836   { 1,                          "protected"                     },
1837
1838   { -1,                         NULL                            }
1839 };
1840
1841 static struct ValueTextInfo options_access_direction[] =
1842 {
1843   { MV_NO_DIRECTION,            "no direction"                  },
1844   { MV_LEFT,                    "left"                          },
1845   { MV_RIGHT,                   "right"                         },
1846   { MV_UP,                      "up"                            },
1847   { MV_DOWN,                    "down"                          },
1848   { MV_LEFT  | MV_UP,           "left + up"                     },
1849   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1850   { MV_RIGHT | MV_UP,           "right + up"                    },
1851   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1852   { MV_HORIZONTAL,              "horizontal"                    },
1853   { MV_VERTICAL,                "vertical"                      },
1854   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1855   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1856   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1857   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1858   { MV_ALL_DIRECTIONS,          "all directions"                },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_walk_to_action[] =
1864 {
1865   { EP_DIGGABLE,                "diggable"                      },
1866   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1867   { EP_DROPPABLE,               "collectible & droppable"       },
1868   { EP_THROWABLE,               "collectible & throwable"       },
1869   { EP_PUSHABLE,                "pushable"                      },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_move_pattern[] =
1875 {
1876   { MV_LEFT,                    "left"                          },
1877   { MV_RIGHT,                   "right"                         },
1878   { MV_UP,                      "up"                            },
1879   { MV_DOWN,                    "down"                          },
1880   { MV_HORIZONTAL,              "horizontal"                    },
1881   { MV_VERTICAL,                "vertical"                      },
1882   { MV_ALL_DIRECTIONS,          "all directions"                },
1883   { MV_WIND_DIRECTION,          "wind direction"                },
1884   { MV_TOWARDS_PLAYER,          "towards player"                },
1885   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1886   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1887   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1888   { MV_TURNING_LEFT,            "turning left"                  },
1889   { MV_TURNING_RIGHT,           "turning right"                 },
1890   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1891   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1892   { MV_TURNING_RANDOM,          "turning random"                },
1893   { MV_MAZE_RUNNER,             "maze runner style"             },
1894   { MV_MAZE_HUNTER,             "maze hunter style"             },
1895   { MV_WHEN_PUSHED,             "when pushed"                   },
1896   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1897
1898   { -1,                         NULL                            }
1899 };
1900
1901 static struct ValueTextInfo options_move_direction[] =
1902 {
1903   { MV_START_AUTOMATIC,         "automatic"                     },
1904   { MV_START_LEFT,              "left"                          },
1905   { MV_START_RIGHT,             "right"                         },
1906   { MV_START_UP,                "up"                            },
1907   { MV_START_DOWN,              "down"                          },
1908   { MV_START_RANDOM,            "random"                        },
1909   { MV_START_PREVIOUS,          "previous"                      },
1910
1911   { -1,                         NULL                            }
1912 };
1913
1914 static struct ValueTextInfo options_move_stepsize[] =
1915 {
1916   { 0,                          "not moving"                    },
1917   { 1,                          "very slow"                     },
1918   { 2,                          "slow"                          },
1919   { 4,                          "normal"                        },
1920   { 8,                          "fast"                          },
1921   { 16,                         "very fast"                     },
1922   { 32,                         "even faster"                   },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_move_leave_type[] =
1928 {
1929   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1930   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_smash_targets[] =
1936 {
1937   { EP_CAN_SMASH_PLAYER,        "player"                        },
1938 #if 0
1939   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1940 #endif
1941   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1942
1943   { -1,                         NULL                            }
1944 };
1945
1946 static struct ValueTextInfo options_slippery_type[] =
1947 {
1948   { SLIPPERY_ANY_RANDOM,        "random"                        },
1949   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1950   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1951   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1952   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1953
1954   { -1,                         NULL                            }
1955 };
1956
1957 static struct ValueTextInfo options_deadliness[] =
1958 {
1959   { EP_DONT_RUN_INTO,           "running into"                  },
1960   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1961   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1962   { EP_DONT_TOUCH,              "touching"                      },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_explosion_type[] =
1968 {
1969   { EXPLODES_3X3,               "3x3"                           },
1970   { EXPLODES_CROSS,             "3+3"                           },
1971   { EXPLODES_1X1,               "1x1"                           },
1972
1973   { -1,                         NULL                            }
1974 };
1975
1976 static struct ValueTextInfo options_time_units[] =
1977 {
1978   { 1,                          "frames"                        },
1979   { FRAMES_PER_SECOND,          "seconds"                       },
1980
1981   { -1,                         NULL                            }
1982 };
1983
1984 static struct ValueTextInfo options_change_direct_action[] =
1985 {
1986   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1987   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1988   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1989   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1990   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1991   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1992   { CE_LEFT_BY_PLAYER,          "left by player"                },
1993   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1994   { CE_SWITCHED,                "switched"                      },
1995   { CE_HITTING_SOMETHING,       "hitting something"             },
1996   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1997 #if 0
1998   { CE_BLOCKED,                 "blocked"                       },
1999 #endif
2000   { CE_IMPACT,                  "impact (on something)"         },
2001   { CE_SMASHED,                 "smashed (from above)"          },
2002 #if 0
2003   { CE_VALUE_CHANGES,           "CE value changes"              },
2004   { CE_SCORE_CHANGES,           "CE score changes"              },
2005 #endif
2006   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2007   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2008   { CE_UNDEFINED,               " "                             },
2009   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2010   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2011   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2012   { CE_UNDEFINED,               " "                             },
2013   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2014   { CE_NEXT_TO_PLAYER,          "next to player"                },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_change_other_action[] =
2020 {
2021   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2022   { CE_PLAYER_PRESSES_X,        "player presses"                },
2023   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2024   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2025   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2026   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2027   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2028   { CE_PLAYER_DIGS_X,           "player digs"                   },
2029   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2030   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2031   { CE_TOUCHING_X,              "touching"                      },
2032   { CE_HITTING_X,               "hitting"                       },
2033   { CE_DIGGING_X,               "digging"                       },
2034   { CE_HIT_BY_X,                "hit by"                        },
2035   { CE_SWITCH_OF_X,             "switch of"                     },
2036   { CE_CHANGE_OF_X,             "change by page of"             },
2037   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2038   { CE_MOVE_OF_X,               "move of"                       },
2039   { CE_CREATION_OF_X,           "creation of"                   },
2040   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2041   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2042   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2043   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2044   { CE_UNDEFINED,               " "                             },
2045   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2046   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2047   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2048   { CE_UNDEFINED,               " "                             },
2049   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2050   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2051   { CE_NEXT_TO_X,               "next to"                       },
2052
2053   { -1,                         NULL                            }
2054 };
2055
2056 static struct ValueTextInfo options_change_trigger_side[] =
2057 {
2058   { CH_SIDE_LEFT,               "left"                          },
2059   { CH_SIDE_RIGHT,              "right"                         },
2060   { CH_SIDE_TOP,                "top"                           },
2061   { CH_SIDE_BOTTOM,             "bottom"                        },
2062   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2063   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2064   { CH_SIDE_ANY,                "any"                           },
2065
2066   { -1,                         NULL                            }
2067 };
2068
2069 static struct ValueTextInfo options_change_trigger_player[] =
2070 {
2071   { CH_PLAYER_1,                "1"                             },
2072   { CH_PLAYER_2,                "2"                             },
2073   { CH_PLAYER_3,                "3"                             },
2074   { CH_PLAYER_4,                "4"                             },
2075   { CH_PLAYER_ANY,              "any"                           },
2076
2077   { -1,                         NULL                            }
2078 };
2079
2080 static struct ValueTextInfo options_change_trigger_page[] =
2081 {
2082   { (1u << 0),                  "1"                             },
2083   { (1u << 1),                  "2"                             },
2084   { (1u << 2),                  "3"                             },
2085   { (1u << 3),                  "4"                             },
2086   { (1u << 4),                  "5"                             },
2087   { (1u << 5),                  "6"                             },
2088   { (1u << 6),                  "7"                             },
2089   { (1u << 7),                  "8"                             },
2090   { (1u << 8),                  "9"                             },
2091   { (1u << 9),                  "10"                            },
2092   { (1u << 10),                 "11"                            },
2093   { (1u << 11),                 "12"                            },
2094   { (1u << 12),                 "13"                            },
2095   { (1u << 13),                 "14"                            },
2096   { (1u << 14),                 "15"                            },
2097   { (1u << 15),                 "16"                            },
2098   { (1u << 16),                 "17"                            },
2099   { (1u << 17),                 "18"                            },
2100   { (1u << 18),                 "19"                            },
2101   { (1u << 19),                 "20"                            },
2102   { (1u << 20),                 "21"                            },
2103   { (1u << 21),                 "22"                            },
2104   { (1u << 22),                 "23"                            },
2105   { (1u << 23),                 "24"                            },
2106   { (1u << 24),                 "25"                            },
2107   { (1u << 25),                 "26"                            },
2108   { (1u << 26),                 "27"                            },
2109   { (1u << 27),                 "28"                            },
2110   { (1u << 28),                 "29"                            },
2111   { (1u << 29),                 "30"                            },
2112   { (1u << 30),                 "31"                            },
2113   { (1u << 31),                 "32"                            },
2114   { CH_PAGE_ANY,                "any"                           },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_change_replace_when[] =
2120 {
2121   { CP_WHEN_EMPTY,              "empty"                         },
2122   { CP_WHEN_WALKABLE,           "walkable"                      },
2123   { CP_WHEN_DIGGABLE,           "diggable"                      },
2124   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2125   { CP_WHEN_REMOVABLE,          "removable"                     },
2126   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_action_type[] =
2132 {
2133   { CA_NO_ACTION,               "no action"                     },
2134   { CA_UNDEFINED,               " "                             },
2135   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2136   { CA_RESTART_LEVEL,           "restart level"                 },
2137   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2138   { CA_SET_LEVEL_TIME,          "set time"                      },
2139   { CA_SET_LEVEL_SCORE,         "set score"                     },
2140   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2141   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2142   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2143   { CA_UNDEFINED,               " "                             },
2144   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2145   { CA_MOVE_PLAYER,             "move player"                   },
2146   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2147   { CA_EXIT_PLAYER,             "exit player"                   },
2148   { CA_KILL_PLAYER,             "kill player"                   },
2149   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2150   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2151   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2152   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2153   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2154   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2155   { CA_UNDEFINED,               " "                             },
2156   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2157   { CA_SET_CE_VALUE,            "set CE value"                  },
2158   { CA_SET_CE_SCORE,            "set CE score"                  },
2159   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2160   { CA_UNDEFINED,               " "                             },
2161   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2162   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2163
2164   { -1,                         NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_action_mode_none[] =
2168 {
2169   { CA_MODE_UNDEFINED,          " "                             },
2170
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_action_mode_assign[] =
2175 {
2176   { CA_MODE_SET,                "="                             },
2177
2178   { -1,                         NULL                            }
2179 };
2180
2181 static struct ValueTextInfo options_action_mode_add_remove[] =
2182 {
2183   { CA_MODE_ADD,                "+"                             },
2184   { CA_MODE_SUBTRACT,           "-"                             },
2185
2186   { -1,                         NULL                            }
2187 };
2188
2189 static struct ValueTextInfo options_action_mode_calculate[] =
2190 {
2191   { CA_MODE_SET,                "="                             },
2192   { CA_MODE_ADD,                "+"                             },
2193   { CA_MODE_SUBTRACT,           "-"                             },
2194   { CA_MODE_MULTIPLY,           "*"                             },
2195   { CA_MODE_DIVIDE,             "/"                             },
2196   { CA_MODE_MODULO,             "%"                             },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_action_arg_none[] =
2202 {
2203   { CA_ARG_UNDEFINED,           "         "                     },
2204
2205   { -1,                         NULL                            }
2206 };
2207
2208 static struct ValueTextInfo options_action_arg_player[] =
2209 {
2210   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2211   { CA_ARG_PLAYER_1,            "1"                             },
2212   { CA_ARG_PLAYER_2,            "2"                             },
2213   { CA_ARG_PLAYER_3,            "3"                             },
2214   { CA_ARG_PLAYER_4,            "4"                             },
2215   { CA_ARG_PLAYER_ANY,          "any"                           },
2216   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2217   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_action_arg_number[] =
2223 {
2224   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2225   { CA_ARG_0,                   "0"                             },
2226   { CA_ARG_1,                   "1"                             },
2227   { CA_ARG_2,                   "2"                             },
2228   { CA_ARG_3,                   "3"                             },
2229   { CA_ARG_4,                   "4"                             },
2230   { CA_ARG_5,                   "5"                             },
2231   { CA_ARG_10,                  "10"                            },
2232   { CA_ARG_100,                 "100"                           },
2233   { CA_ARG_1000,                "1000"                          },
2234   { CA_ARG_UNDEFINED,           " "                             },
2235   { CA_ARG_NUMBER_MIN,          "min"                           },
2236   { CA_ARG_NUMBER_MAX,          "max"                           },
2237   { CA_ARG_UNDEFINED,           " "                             },
2238   { CA_ARG_NUMBER_RESET,        "reset"                         },
2239   { CA_ARG_UNDEFINED,           " "                             },
2240   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2241   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2242   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2243   { CA_ARG_UNDEFINED,           " "                             },
2244   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2245   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2246   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2247   { CA_ARG_UNDEFINED,           " "                             },
2248   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2249   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2250   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2251   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2252   { CA_ARG_UNDEFINED,           " "                             },
2253   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2254   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2255   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2256   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2257
2258   { -1,                         NULL                            }
2259 };
2260
2261 static struct ValueTextInfo options_action_arg_value[] =
2262 {
2263   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2264   { CA_ARG_0,                   "0"                             },
2265   { CA_ARG_1,                   "1"                             },
2266   { CA_ARG_2,                   "2"                             },
2267   { CA_ARG_3,                   "3"                             },
2268   { CA_ARG_4,                   "4"                             },
2269   { CA_ARG_5,                   "5"                             },
2270   { CA_ARG_10,                  "10"                            },
2271   { CA_ARG_100,                 "100"                           },
2272   { CA_ARG_1000,                "1000"                          },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_NUMBER_MIN,          "min"                           },
2275   { CA_ARG_NUMBER_MAX,          "max"                           },
2276   { CA_ARG_UNDEFINED,           " "                             },
2277   { CA_ARG_NUMBER_RESET,        "reset"                         },
2278   { CA_ARG_UNDEFINED,           " "                             },
2279   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2280   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2281   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2282   { CA_ARG_UNDEFINED,           " "                             },
2283   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2284   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2285   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2286   { CA_ARG_UNDEFINED,           " "                             },
2287   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2288   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2289   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2290   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2291   { CA_ARG_UNDEFINED,           " "                             },
2292   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2293   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2294   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2295   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2296   { CA_ARG_UNDEFINED,           " "                             },
2297   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2298   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2299   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2300   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2301
2302   { -1,                         NULL                            }
2303 };
2304
2305 static struct ValueTextInfo options_action_arg_envelope[] =
2306 {
2307   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2308   { CA_ARG_1,                   "1"                             },
2309   { CA_ARG_2,                   "2"                             },
2310   { CA_ARG_3,                   "3"                             },
2311   { CA_ARG_4,                   "4"                             },
2312   { CA_ARG_UNDEFINED,           " "                             },
2313   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2314   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2315   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2316   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2317
2318   { -1,                         NULL                            }
2319 };
2320
2321 static struct ValueTextInfo options_action_arg_key[] =
2322 {
2323   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2324   { CA_ARG_1,                   "1"                             },
2325   { CA_ARG_2,                   "2"                             },
2326   { CA_ARG_3,                   "3"                             },
2327   { CA_ARG_4,                   "4"                             },
2328   { CA_ARG_5,                   "5"                             },
2329   { CA_ARG_6,                   "6"                             },
2330   { CA_ARG_7,                   "7"                             },
2331   { CA_ARG_8,                   "8"                             },
2332   { CA_ARG_UNDEFINED,           " "                             },
2333   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2334   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2335   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2336   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2337
2338   { -1,                         NULL                            }
2339 };
2340
2341 static struct ValueTextInfo options_action_arg_speed[] =
2342 {
2343   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2344   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2345   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2346   { CA_ARG_SPEED_SLOW,          "slow"                          },
2347   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2348   { CA_ARG_SPEED_FAST,          "fast"                          },
2349   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2350   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2351   { CA_ARG_UNDEFINED,           " "                             },
2352   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2353   { CA_ARG_SPEED_FASTER,        "faster"                        },
2354   { CA_ARG_UNDEFINED,           " "                             },
2355   { CA_ARG_SPEED_RESET,         "reset"                         },
2356
2357   { -1,                         NULL                            }
2358 };
2359
2360 static struct ValueTextInfo options_action_arg_shield[] =
2361 {
2362   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2363   { CA_ARG_SHIELD_OFF,          "off"                           },
2364   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2365   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2366
2367   { -1,                         NULL                            }
2368 };
2369
2370 static struct ValueTextInfo options_action_arg_artwork[] =
2371 {
2372   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2373   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2374   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2375   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2376   { CA_ARG_UNDEFINED,           " "                             },
2377   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2378
2379   { -1,                         NULL                            }
2380 };
2381
2382 static struct ValueTextInfo options_action_arg_gravity[] =
2383 {
2384   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2385   { CA_ARG_GRAVITY_ON,          "on"                            },
2386   { CA_ARG_GRAVITY_OFF,         "off"                           },
2387   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2388
2389   { -1,                         NULL                            }
2390 };
2391
2392 static struct ValueTextInfo options_action_arg_direction[] =
2393 {
2394   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2395   { CA_ARG_DIRECTION_NONE,      "none"                          },
2396   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2397   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2398   { CA_ARG_DIRECTION_UP,        "up"                            },
2399   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2400   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2401   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2402
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_action_arg_scan_mode[] =
2407 {
2408   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2409   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2410   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2411
2412   { -1,                         NULL                            }
2413 };
2414
2415 static struct ValueTextInfo options_action_arg_inventory[] =
2416 {
2417   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2418   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2419   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2420   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2421   { CA_ARG_UNDEFINED,           " "                             },
2422   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2423   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2424   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2425   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2426   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2427   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2428   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2429   { CA_ARG_UNDEFINED,           " "                             },
2430   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2431
2432   { -1,                         NULL                            }
2433 };
2434
2435 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2436 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2437 {
2438   { -1,                         NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_group_choice_mode[] =
2442 {
2443   { ANIM_RANDOM,                "random"                        },
2444   { ANIM_LOOP,                  "loop"                          },
2445   { ANIM_LINEAR,                "linear"                        },
2446   { ANIM_PINGPONG,              "pingpong"                      },
2447   { ANIM_PINGPONG2,             "pingpong 2"                    },
2448
2449   { -1,                         NULL                            }
2450 };
2451
2452 static struct ValueTextInfo *action_arg_modes[] =
2453 {
2454   options_action_mode_none,
2455   options_action_mode_assign,
2456   options_action_mode_add_remove,
2457   options_action_mode_calculate,
2458 };
2459
2460 static struct
2461 {
2462   int value;
2463   int mode;
2464   struct ValueTextInfo *options;
2465 }
2466 action_arg_options[] =
2467 {
2468   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2469   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2470   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2471   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2472   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2473   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2474   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2475   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2476   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2477   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2478   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2479   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2480   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2481   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2482   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2483   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2484   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2485   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2486   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2487   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2488   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2489   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2490
2491   { -1,                         FALSE,  NULL                            }
2492 };
2493
2494 static struct
2495 {
2496   int x, y;
2497   int gadget_id;
2498   int gadget_id_align;
2499   int size;     // char size of selectbox or '-1' (dynamically determined)
2500   struct ValueTextInfo *options;
2501   int *value;
2502   char *text_above, *text_left, *text_right, *infotext;
2503 } selectbox_info[ED_NUM_SELECTBOX] =
2504 {
2505   // ---------- level and editor settings -------------------------------------
2506
2507   {
2508     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2509     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2510     -1,
2511     options_time_or_steps,
2512     &level.use_step_counter,
2513     NULL, NULL, "(0 => no limit)",      "time or step limit"
2514   },
2515   {
2516     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2517     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2518     -1,
2519     options_time_score_base,
2520     &level.time_score_base,
2521     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2522   },
2523   {
2524     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2525     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2526     -1,
2527     options_game_engine_type,
2528     &level.game_engine_type,
2529     NULL, "game engine:", NULL,         "game engine"
2530   },
2531   {
2532     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2533     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2534     -1,
2535     options_levelset_save_mode,
2536     &levelset_save_mode,
2537     "Action:", NULL, NULL,              "action when saving level set"
2538   },
2539
2540   // ---------- element settings: configure (several elements) ----------------
2541
2542   {
2543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2544     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2545     -1,
2546     options_wind_direction,
2547     &level.wind_direction_initial,
2548     NULL, "initial wind direction:", NULL,      "initial wind direction"
2549   },
2550   {
2551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2552     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2553     -1,
2554     options_player_speed,
2555     &level.initial_player_stepsize[0],
2556     NULL, "initial player speed:", NULL,        "initial player speed"
2557   },
2558
2559   // ---------- element settings: configure 1 (custom elements) ---------------
2560
2561   {
2562     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2563     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2564     -1,
2565     options_access_type,
2566     &custom_element.access_type,
2567     NULL, NULL, NULL,                   "type of access to this field"
2568   },
2569   {
2570     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2571     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2572     -1,
2573     options_access_layer,
2574     &custom_element.access_layer,
2575     NULL, NULL, NULL,                   "layer of access for this field"
2576   },
2577   {
2578     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2579     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2580     -1,
2581     options_access_protected,
2582     &custom_element.access_protected,
2583     NULL, NULL, NULL,                   "protected access for this field"
2584   },
2585   {
2586     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2587     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2588     -1,
2589     options_access_direction,
2590     &custom_element.access_direction,
2591     NULL, "from", NULL,                 "access direction for this field"
2592   },
2593   {
2594     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2595     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2596     -1,
2597     options_walk_to_action,
2598     &custom_element.walk_to_action,
2599     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2600   },
2601
2602   // ---------- element settings: configure 2 (custom elements) ---------------
2603
2604   {
2605     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2606     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2607     -1,
2608     options_move_pattern,
2609     &custom_element.move_pattern,
2610     NULL, "can move", NULL,             "element move pattern"
2611   },
2612   {
2613     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2614     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2615     -1,
2616     options_move_direction,
2617     &custom_element.move_direction_initial,
2618     NULL, "starts moving", NULL,        "initial element move direction"
2619   },
2620   {
2621     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2622     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2623     -1,
2624     options_move_stepsize,
2625     &custom_element.move_stepsize,
2626     NULL, "move/fall speed", NULL,      "speed of element movement"
2627   },
2628   {
2629     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2630     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2631     -1,
2632     options_move_leave_type,
2633     &custom_element.move_leave_type,
2634     // left text with leading spaces to place gadget next to "can dig" gadget
2635     // (needed because drawing area gadgets created after selectbox gadgets)
2636     // NULL, "can dig:    can", ":",    "leave behind or change element"
2637     NULL, "            can", ":",       "leave behind or change element"
2638   },
2639   {
2640     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2641     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2642     -1,
2643     options_smash_targets,
2644     &custom_element.smash_targets,
2645     NULL, "can smash", NULL,            "elements that can be smashed"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2649     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2650     -1,
2651     options_slippery_type,
2652     &custom_element.slippery_type,
2653     NULL, "slippery", NULL,             "where other elements fall down"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2657     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2658     -1,
2659     options_deadliness,
2660     &custom_element.deadliness,
2661     NULL, "deadly when", NULL,          "deadliness of element"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2665     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2666     -1,
2667     options_explosion_type,
2668     &custom_element.explosion_type,
2669     NULL, "can explode", NULL,          "explosion type"
2670   },
2671
2672   // ---------- element settings: advanced (custom elements) ------------------
2673
2674   {
2675     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2676     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2677     -1,
2678     options_time_units,
2679     &custom_element_change.delay_frames,
2680     NULL, "delay time given in", NULL,  "delay time units for change"
2681   },
2682   {
2683     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2684     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2685     -1,
2686     options_change_direct_action,
2687     &custom_element_change.direct_action,
2688     NULL, NULL, NULL,                   "type of direct action"
2689   },
2690   {
2691     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2692     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2693     -1,
2694     options_change_other_action,
2695     &custom_element_change.other_action,
2696     NULL, NULL, "element:",             "type of other element action"
2697   },
2698   {
2699     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2700     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2701     -1,
2702     options_change_trigger_side,
2703     &custom_element_change.trigger_side,
2704     NULL, "at", "side",                 "element side triggering change"
2705   },
2706   {
2707     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2708     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2709     -1,
2710     options_change_trigger_player,
2711     &custom_element_change.trigger_player,
2712     NULL, "player:", " ",               "player that causes change"
2713   },
2714   {
2715     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2716     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2717     -1,
2718     options_change_trigger_page,
2719     &custom_element_change.trigger_page,
2720     NULL, "page:", NULL,                "change page that causes change"
2721   },
2722   {
2723     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2724     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2725     -1,
2726     options_change_replace_when,
2727     &custom_element_change.replace_when,
2728     NULL, "replace when", NULL,         "which elements can be replaced"
2729   },
2730   {
2731     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2732     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2733     15,
2734     options_action_type,
2735     &custom_element_change.action_type,
2736     NULL, NULL, NULL,                   "action on specified condition"
2737   },
2738   {
2739     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2740     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2741     -1,
2742     options_action_mode_none,
2743     &custom_element_change.action_mode,
2744     NULL, NULL, NULL,                   "action operator"
2745   },
2746   {
2747     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2748     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2749     -1,
2750     options_action_arg_none,
2751     &custom_element_change.action_arg,
2752     NULL, NULL, NULL,                   "action parameter"
2753   },
2754   {
2755     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2756     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2757     3,
2758     options_change_page,
2759     &custom_element.current_change_page,
2760     NULL, NULL, NULL,                   "element change page"
2761   },
2762
2763   // ---------- element settings: configure (group elements) ------------------
2764
2765   {
2766     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2767     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2768     -1,
2769     options_group_choice_mode,
2770     &group_element_info.choice_mode,
2771     NULL, "choice type:", NULL,         "type of group element choice"
2772   },
2773 };
2774
2775 static struct
2776 {
2777   int x, y;
2778   int gadget_id;
2779   int gadget_id_align;
2780   int size;
2781   char *text;
2782   char *text_above, *text_left, *text_right, *infotext;
2783 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2784 {
2785   // ---------- level and editor settings (tabs) ------------------------------
2786
2787   {
2788     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2789     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2790     8,                                  "Level",
2791     NULL, NULL, NULL,                   "Configure level properties"
2792   },
2793   {
2794     -1,                                 -1,
2795     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2796     8,                                  "Levelset",
2797     NULL, NULL, NULL,                   "Update this or create new level set"
2798   },
2799   {
2800     -1,                                 -1,
2801     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2802     8,                                  "Editor",
2803     NULL, NULL, NULL,                   "Configure editor properties"
2804   },
2805
2806   // ---------- element settings (tabs) ---------------------------------------
2807
2808   {
2809     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2810     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2811     8,                                  "Info",
2812     NULL, NULL, NULL,                   "Show information about element"
2813   },
2814   {
2815     -1,                                 -1,
2816     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2817     8,                                  "Config",
2818     NULL, NULL, NULL,                   "Configure element properties"
2819   },
2820   {
2821     -1,                                 -1,
2822     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2823     8,                                  "Config 1",
2824     NULL, NULL, NULL,                   "Configure element properties, part 1"
2825   },
2826   {
2827     -1,                                 -1,
2828     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2829     8,                                  "Config 2",
2830     NULL, NULL, NULL,                   "Configure element properties, part 2"
2831   },
2832   {
2833     -1,                                 -1,
2834     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2835     8,                                  "Change",
2836     NULL, NULL, NULL,                   "Configure custom element change pages"
2837   },
2838
2839   // ---------- level and editor settings (buttons) ---------------------------
2840
2841   {
2842     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2843     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2844     -1,                                 "Save",
2845     NULL, NULL, NULL,                   "Update or create level set"
2846   },
2847   {
2848     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2849     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2850     -1,                                 "Save",
2851     NULL, NULL,                         "this level as level template",
2852     "Save current settings as new template"
2853   },
2854
2855   // ---------- element settings (buttons) ------------------------------------
2856
2857   {
2858     -1,                                 -1,
2859     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2860     -1,                                 "Save",
2861     NULL, " ",                          "As Template",
2862     "Save current settings as new template"
2863   },
2864   {
2865     -1,                                 -1,
2866     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2867     -1,                                 "New",
2868     NULL, NULL, NULL,                   "Add new change page"
2869   },
2870   {
2871     -1,                                 -1,
2872     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2873     -1,                                 "Delete",
2874     NULL, NULL, NULL,                   "Delete current change page"
2875   },
2876 };
2877
2878 static struct
2879 {
2880   int graphic;
2881   int x, y;
2882   int gadget_id;
2883   int gadget_id_align;
2884   char *text_left, *text_right, *infotext;
2885 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2886 {
2887   {
2888     IMG_EDITOR_COUNTER_DOWN,
2889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2890     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2891     NULL, NULL,                         "select previous change page"
2892   },
2893   {
2894     IMG_EDITOR_COUNTER_UP,
2895     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2896     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2897     NULL, "change page",                "select next change page"
2898   },
2899   {
2900     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2901     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2902     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2903     " ", NULL,                          "copy settings from this change page"
2904   },
2905   {
2906     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2907     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2908     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2909     NULL, NULL,                         "paste settings to this change page"
2910   },
2911 };
2912
2913 static struct
2914 {
2915   int x, y;
2916 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2917
2918 static struct
2919 {
2920   int graphic;
2921   int gadget_id;
2922   char *infotext;
2923 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2924 {
2925   {
2926     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2927     GADGET_ID_SCROLL_UP,
2928     "scroll level editing area up"
2929   },
2930   {
2931     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2932     GADGET_ID_SCROLL_DOWN,
2933     "scroll level editing area down"
2934   },
2935   {
2936     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2937     GADGET_ID_SCROLL_LEFT,
2938     "scroll level editing area left"
2939   },
2940   {
2941     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2942     GADGET_ID_SCROLL_RIGHT,
2943     "scroll level editing area right"
2944   },
2945   {
2946     IMG_EDITOR_PALETTE_SCROLL_UP,
2947     GADGET_ID_SCROLL_LIST_UP,
2948     "scroll element list up ('Page Up')"
2949   },
2950   {
2951     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2952     GADGET_ID_SCROLL_LIST_DOWN,
2953     "scroll element list down ('Page Down')"
2954   },
2955 };
2956
2957 static struct
2958 {
2959   int x, y;
2960   int width, height;
2961   int wheel_x, wheel_y;
2962   int wheel_width, wheel_height;
2963 } scrollbar_pos[ED_NUM_SCROLLBARS];
2964
2965 static struct
2966 {
2967   int graphic;
2968   int type;
2969   int gadget_id;
2970   char *infotext;
2971 } scrollbar_info[ED_NUM_SCROLLBARS] =
2972 {
2973   {
2974     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2975     GD_TYPE_SCROLLBAR_HORIZONTAL,
2976     GADGET_ID_SCROLL_HORIZONTAL,
2977     "scroll level editing area horizontally"
2978   },
2979   {
2980     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2981     GD_TYPE_SCROLLBAR_VERTICAL,
2982     GADGET_ID_SCROLL_VERTICAL,
2983     "scroll level editing area vertically"
2984   },
2985   {
2986     IMG_EDITOR_PALETTE_SCROLLBAR,
2987     GD_TYPE_SCROLLBAR_VERTICAL,
2988     GADGET_ID_SCROLL_LIST_VERTICAL,
2989     "scroll element list vertically"
2990   }
2991 };
2992
2993
2994 static struct
2995 {
2996   int x, y;
2997   int gadget_id;
2998   int gadget_id_align;
2999   int radio_button_nr;
3000   int *value;
3001   int checked_value;
3002   char *text_left, *text_right, *infotext;
3003 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3004 {
3005   {
3006     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3007     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3008     RADIO_NR_RANDOM_ELEMENTS,
3009     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3010     " ", "percentage",                  "use percentage for random elements"
3011   },
3012   {
3013     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3014     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3015     RADIO_NR_RANDOM_ELEMENTS,
3016     &random_placement_method,           RANDOM_USE_QUANTITY,
3017     " ", "quantity",                    "use quantity for random elements"
3018   }
3019 };
3020
3021 static struct
3022 {
3023   int x, y;
3024   int gadget_id;
3025   int gadget_id_align;
3026   boolean *value;
3027   char *text_above, *text_left, *text_right, *infotext;
3028 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3029 {
3030   // ---------- level and editor settings -------------------------------------
3031
3032   {
3033     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3034     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3035     &level.auto_count_gems,
3036     NULL, NULL,
3037     "automatically count gems needed",  "set counter to number of gems"
3038   },
3039   {
3040     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3041     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3042     &level.rate_time_over_score,
3043     NULL, NULL,
3044     "rate time/steps used over score",  "sort high scores by playing time/steps"
3045   },
3046   {
3047     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3048     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3049     &levelset_use_levelset_artwork,
3050     NULL, NULL,
3051     "use current custom artwork",       "use custom artwork of this level set"
3052   },
3053   {
3054     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3055     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3056     &levelset_copy_level_template,
3057     NULL, NULL,
3058     "copy current level template",      "copy level template of this level set"
3059   },
3060   {
3061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3062     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3063     &random_placement_background_restricted,
3064     NULL, NULL,
3065     "restrict random placement to:",    "set random placement restriction"
3066   },
3067   {
3068     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3069     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3070     &setup.editor.use_template_for_new_levels,
3071     "Template for new levels and CE/GE:", NULL,
3072     "use template for new levels",      "use template for level properties"
3073   },
3074   {
3075     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3076     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3077     &level.use_custom_template,
3078     NULL, NULL,
3079     "use template for custom elements", "use template for custom properties"
3080   },
3081
3082   // ---------- element settings: configure (various elements) ----------------
3083
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3086     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3087     &stick_element_properties_window,
3088     NULL, NULL,
3089     "stick this screen to edit content","stick this screen to edit content"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3094     &level.em_slippery_gems,
3095     NULL, NULL,
3096     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3100     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3101     &level.em_explodes_by_fire,
3102     NULL, NULL,
3103     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3107     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3108     &level.use_spring_bug,
3109     NULL, NULL,
3110     "use spring pushing bug",           "use odd spring pushing behaviour"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3114     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3115     &level.use_time_orb_bug,
3116     NULL, NULL,
3117     "use time orb bug",                 "use odd time orb behaviour"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3121     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3122     &level.use_life_bugs,
3123     NULL, NULL,
3124     "use buggy element behaviour",      "use odd (historic) element behaviour"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3128     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3129     &level.ball_random,
3130     NULL, NULL,
3131     "create single random element",     "only create one element from content"
3132   },
3133   {
3134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3135     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3136     &level.ball_active_initial,
3137     NULL, NULL,
3138     "magic ball initially activated",   "activate magic ball after level start"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3142     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3143     &level.grow_into_diggable,
3144     NULL, NULL,
3145     "can grow into anything diggable",  "grow into more than just sand"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3149     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3150     &level.sb_fields_needed,
3151     NULL, NULL,
3152     "all fields need to be filled",     "require all SB fields to be solved"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3156     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3157     &level.sb_objects_needed,
3158     NULL, NULL,
3159     "all objects need to be placed",    "require all SB objects to be solved"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3164     &level.auto_exit_sokoban,
3165     NULL, NULL,
3166     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3170     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3171     &level.solved_by_one_player,
3172     NULL, NULL,
3173     "only one player must enter exit",  "level solved by first player in exit"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3177     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3178     &level.finish_dig_collect,
3179     NULL, NULL,
3180     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3181   },
3182   {
3183     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3184     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3185     &level.keep_walkable_ce,
3186     NULL, NULL,
3187     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3188   },
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3191     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3192     &level.continuous_snapping,
3193     NULL, NULL,
3194     "continuous snapping",              "use snapping without releasing key"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3198     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3199     &level.block_snap_field,
3200     NULL, NULL,
3201     "block snapped field when snapping", "use snapping delay to show animation"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3205     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3206     &level.block_last_field,
3207     NULL, NULL,
3208     "block last field when moving",     "player blocks last field when moving"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3212     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3213     &level.sp_block_last_field,
3214     NULL, NULL,
3215     "block last field when moving",     "player blocks last field when moving"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3219     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3220     &level.instant_relocation,
3221     NULL, NULL,
3222     "no scrolling when relocating",     "player gets relocated without delay"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3226     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3227     &level.shifted_relocation,
3228     NULL, NULL,
3229     "no centering when relocating",     "level not centered after relocation"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3233     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3234     &level.lazy_relocation,
3235     NULL, NULL,
3236     "only redraw off-screen relocation","no redraw if relocation target visible"
3237   },
3238   {
3239     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3240     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3241     &level.use_start_element[0],
3242     NULL, NULL,
3243     "use level start element:",        "start level at this element's position"
3244   },
3245   {
3246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3247     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3248     &level.use_artwork_element[0],
3249     NULL, NULL,
3250     "use artwork from element:",        "use player artwork from other element"
3251   },
3252   {
3253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3254     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3255     &level.use_explosion_element[0],
3256     NULL, NULL,
3257     "use explosion from element:",      "use explosion properties from element"
3258   },
3259   {
3260     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3261     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3262     &level.initial_player_gravity[0],
3263     NULL, NULL,
3264     "use initial gravity",              "set initial player gravity"
3265   },
3266   {
3267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3268     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3269     &level.use_initial_inventory[0],
3270     NULL, NULL,
3271     "use initial inventory:",           "use collected elements on level start"
3272   },
3273   {
3274     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3275     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3276     &level.can_pass_to_walkable,
3277     NULL, NULL,
3278     "can pass to walkable element",     "player can pass to empty or walkable"
3279   },
3280   {
3281     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3282     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3283     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3284     NULL, NULL,
3285     "can fall into acid (with gravity)","player can fall into acid pool"
3286   },
3287   {
3288     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3289     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3290     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3291     NULL, NULL,
3292     "can move into acid",               "element can move into acid pool"
3293   },
3294   {
3295     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3296     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3297     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3298     NULL, NULL,
3299     "deadly when colliding with",       "element is deadly when hitting player"
3300   },
3301   {
3302     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3303     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3304     &level.envelope[0].autowrap,
3305     NULL, NULL,
3306     "auto-wrap",                        "automatically wrap envelope text"
3307   },
3308   {
3309     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3310     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3311     &level.envelope[0].centered,
3312     NULL, " ",
3313     "centered",                         "automatically center envelope text"
3314   },
3315   {
3316     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3317     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3318     &level.mm_laser_red,
3319     "choose color components for laser:", NULL,
3320     "red",                              "use red color components in laser"
3321   },
3322   {
3323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3324     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3325     &level.mm_laser_green,
3326     NULL, NULL,
3327     "green",                            "use green color components in laser"
3328   },
3329   {
3330     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3331     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3332     &level.mm_laser_blue,
3333     NULL, NULL,
3334     "blue",                             "use blue color components in laser"
3335   },
3336   {
3337     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3338     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3339     &level.df_laser_red,
3340     "choose color components for laser:", NULL,
3341     "red",                              "use red color components in laser"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3345     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3346     &level.df_laser_green,
3347     NULL, NULL,
3348     "green",                            "use green color components in laser"
3349   },
3350   {
3351     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3352     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3353     &level.df_laser_blue,
3354     NULL, NULL,
3355     "blue",                             "use blue color components in laser"
3356   },
3357
3358   // ---------- element settings: configure 1 (custom elements) ---------------
3359
3360   {
3361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3362     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3363     &custom_element.use_gfx_element,
3364     NULL, NULL,
3365     "use graphic of element:",          "use existing element graphic"
3366   },
3367   {
3368     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3369     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3370     &level.use_custom_template,
3371     NULL, NULL,
3372     "use template",                     "use template for custom properties"
3373   },
3374   {
3375     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3376     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3377     &custom_element_properties[EP_ACCESSIBLE],
3378     NULL, NULL,
3379     NULL,                               "player can walk to or pass this field"
3380   },
3381   {
3382     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3383     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3384     &custom_element_properties[EP_GRAVITY_REACHABLE],
3385     NULL, NULL,
3386     "reachable despite gravity",        "player can walk/dig despite gravity"
3387   },
3388   {
3389     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3390     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3391     &custom_element.use_last_ce_value,
3392     NULL, NULL,
3393     "use last CE value after change",   "use last CE value after change"
3394   },
3395   {
3396     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3397     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3398     &custom_element_properties[EP_WALK_TO_OBJECT],
3399     NULL, NULL,
3400     NULL,                               "player can dig/collect/push element"
3401   },
3402   {
3403     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3404     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3405     &custom_element_properties[EP_INDESTRUCTIBLE],
3406     NULL, NULL,
3407     "indestructible",                   "element is indestructible"
3408   },
3409
3410   // ---------- element settings: configure 2 (custom elements) ---------------
3411
3412   {
3413     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3414     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3415     &custom_element_properties[EP_CAN_MOVE],
3416     NULL, NULL,
3417     NULL,                               "element can move with some pattern"
3418   },
3419   {
3420     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3421     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3422     &custom_element_properties[EP_CAN_FALL],
3423     NULL, NULL,
3424     "can fall",                         "element can fall down"
3425   },
3426   {
3427     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3428     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3429     &custom_element_properties[EP_CAN_SMASH],
3430     NULL, " ",
3431     NULL,                               "element can smash other elements"
3432   },
3433   {
3434     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3435     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3436     &custom_element_properties[EP_SLIPPERY],
3437     NULL, NULL,
3438     NULL,                               "other elements can fall down from it"
3439   },
3440   {
3441     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3442     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3443     &custom_element_properties[EP_DEADLY],
3444     NULL, NULL,
3445     NULL,                               "element can kill the player"
3446   },
3447   {
3448     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3449     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3450     &custom_element_properties[EP_CAN_EXPLODE],
3451     NULL, NULL,
3452     NULL,                               "element can explode"
3453   },
3454   {
3455     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3456     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3457     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3458     NULL, NULL,
3459     "by fire",                          "element can explode by fire/explosion"
3460   },
3461   {
3462     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3463     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3464     &custom_element_properties[EP_EXPLODES_SMASHED],
3465     NULL, " ",
3466     "smashed",                          "element can explode when smashed"
3467   },
3468   {
3469     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3470     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3471     &custom_element_properties[EP_EXPLODES_IMPACT],
3472     NULL, " ",
3473     "impact",                           "element can explode on impact"
3474   },
3475
3476   // ---------- element settings: advanced (custom elements) ------------------
3477
3478   {
3479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3480     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3481     &custom_element_change.can_change,
3482     NULL, NULL,
3483     "element changes to:",              "change element on specified condition"
3484   },
3485   {
3486     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3487     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3488     &custom_element_change_events[CE_DELAY],
3489     NULL, NULL,
3490     NULL,                               "element changes after delay"
3491   },
3492   {
3493     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3494     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3495     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3496     NULL, NULL,
3497     NULL,                               "element changes by direct action"
3498   },
3499   {
3500     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3501     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3502     &custom_element_change_events[CE_BY_OTHER_ACTION],
3503     NULL, NULL,
3504     NULL,                               "element changes by other element"
3505   },
3506   {
3507     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3508     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3509     &custom_element_change.explode,
3510     NULL, NULL,
3511     "explode instead of change",        "element explodes instead of change"
3512   },
3513   {
3514     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3515     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3516     &custom_element_change.use_target_content,
3517     NULL, NULL,
3518     "use extended change target:",      "element changes to more elements"
3519   },
3520   {
3521     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3522     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3523     &custom_element_change.only_if_complete,
3524     NULL, NULL,
3525     "replace all or nothing",           "only replace when all can be changed"
3526   },
3527   {
3528     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3529     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3530     &custom_element_change.use_random_replace,
3531     NULL, NULL,
3532     NULL,                               "use percentage for random replace"
3533   },
3534   {
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3536     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3537     &custom_element_change.has_action,
3538     NULL, NULL,
3539     NULL,                               "execute action on specified condition"
3540   },
3541 };
3542
3543 static struct
3544 {
3545   int x, y;
3546   int xoffset, yoffset;
3547   int gadget_id;
3548   int gadget_id_align;
3549   int *value;
3550   int area_xsize, area_ysize;
3551   char *text_left, *text_right, *text_above, *text_below, *infotext;
3552 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3553 {
3554   // ---------- level playfield content ---------------------------------------
3555
3556   {
3557     0,                                  0,
3558     0,                                  0,
3559     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3560     NULL,
3561     -1, -1,     // these values are not constant, but can change at runtime
3562     NULL, NULL, NULL, NULL,             NULL
3563   },
3564
3565   // ---------- yam yam content -----------------------------------------------
3566
3567   {
3568     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3569     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3570     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3571     &level.yamyam_content[0].e[0][0],   3, 3,
3572     NULL, NULL, NULL, "1",              NULL
3573   },
3574   {
3575     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3576     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3577     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3578     &level.yamyam_content[1].e[0][0],   3, 3,
3579     NULL, NULL, NULL, "2",              NULL
3580   },
3581   {
3582     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3583     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3584     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3585     &level.yamyam_content[2].e[0][0],   3, 3,
3586     NULL, NULL, NULL, "3",              NULL
3587   },
3588   {
3589     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3590     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3591     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3592     &level.yamyam_content[3].e[0][0],   3, 3,
3593     NULL, NULL, NULL, "4",              NULL
3594   },
3595   {
3596     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3597     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3598     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3599     &level.yamyam_content[4].e[0][0],   3, 3,
3600     NULL, NULL, NULL, "5",              NULL
3601   },
3602   {
3603     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3604     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3605     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3606     &level.yamyam_content[5].e[0][0],   3, 3,
3607     NULL, NULL, NULL, "6",              NULL
3608   },
3609   {
3610     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3611     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3612     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3613     &level.yamyam_content[6].e[0][0],   3, 3,
3614     NULL, NULL, NULL, "7",              NULL
3615   },
3616   {
3617     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3618     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3619     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3620     &level.yamyam_content[7].e[0][0],   3, 3,
3621     NULL, NULL, NULL, "8",              NULL
3622   },
3623
3624   // ---------- magic ball content --------------------------------------------
3625
3626   {
3627     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3628     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3629     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3630     &level.ball_content[0].e[0][0],     3, 3,
3631     NULL, NULL, NULL, "1",              NULL
3632   },
3633   {
3634     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3635     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3636     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3637     &level.ball_content[1].e[0][0],     3, 3,
3638     NULL, NULL, NULL, "2",              NULL
3639   },
3640   {
3641     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3642     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3643     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3644     &level.ball_content[2].e[0][0],     3, 3,
3645     NULL, NULL, NULL, "3",              NULL
3646   },
3647   {
3648     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3649     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3650     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3651     &level.ball_content[3].e[0][0],     3, 3,
3652     NULL, NULL, NULL, "4",              NULL
3653   },
3654   {
3655     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3656     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3657     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3658     &level.ball_content[4].e[0][0],     3, 3,
3659     NULL, NULL, NULL, "5",              NULL
3660   },
3661   {
3662     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3663     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3664     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3665     &level.ball_content[5].e[0][0],     3, 3,
3666     NULL, NULL, NULL, "6",              NULL
3667   },
3668   {
3669     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3670     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3671     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3672     &level.ball_content[6].e[0][0],     3, 3,
3673     NULL, NULL, NULL, "7",              NULL
3674   },
3675   {
3676     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3677     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3678     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3679     &level.ball_content[7].e[0][0],     3, 3,
3680     NULL, NULL, NULL, "8",              NULL
3681   },
3682
3683   // ---------- android content -----------------------------------------------
3684
3685   {
3686     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3687     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3688     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3689     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3690     NULL, NULL, "elements:", NULL,      "elements android can clone"
3691   },
3692
3693   // ---------- amoeba content ------------------------------------------------
3694
3695   {
3696     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3697     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3698     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3699     &level.amoeba_content,              1, 1,
3700     "content:", NULL, NULL, NULL,       "amoeba content"
3701   },
3702
3703   // ---------- level start element -------------------------------------------
3704
3705   {
3706     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3707     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3708     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3709     &level.start_element[0],            1, 1,
3710     NULL, NULL, NULL, NULL,             "level start element"
3711   },
3712
3713   // ---------- player artwork element ----------------------------------------
3714
3715   {
3716     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3717     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3718     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3719     &level.artwork_element[0],          1, 1,
3720     NULL, NULL, NULL, NULL,             "element for player artwork"
3721   },
3722
3723   // ---------- player explosion element --------------------------------------
3724
3725   {
3726     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3727     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3728     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3729     &level.explosion_element[0],        1, 1,
3730     NULL, NULL, NULL, NULL,             "element for player explosion"
3731   },
3732
3733   // ---------- player initial inventory --------------------------------------
3734
3735   {
3736     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3737     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3738     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3739     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3740     NULL, NULL, NULL, NULL,             "content for initial inventory"
3741   },
3742
3743   // ---------- element settings: configure 1 (custom elements) ---------------
3744
3745   // ---------- custom graphic ------------------------------------------------
3746
3747   {
3748     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3749     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3750     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3751     &custom_element.gfx_element_initial,1, 1,
3752     NULL, NULL, NULL, NULL,             "custom graphic element"
3753   },
3754
3755   // ---------- element settings: configure 2 (custom elements) ---------------
3756
3757   // ---------- custom content (when exploding) -------------------------------
3758
3759   {
3760     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
3761     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3762     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3763     &custom_element.content.e[0][0],    3, 3,
3764     "content:", NULL, NULL, NULL,       NULL
3765   },
3766
3767   // ---------- custom enter and leave element (when moving) ------------------
3768
3769   {
3770     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3771     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3772     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3773     &custom_element.move_enter_element, 1, 1,
3774     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3775   },
3776   {
3777     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3778     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3779     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3780     &custom_element.move_leave_element, 1, 1,
3781     NULL, NULL, NULL, NULL,             "element that will be left behind"
3782   },
3783
3784   // ---------- element settings: advanced (custom elements) ------------------
3785
3786   // ---------- custom change target ------------------------------------------
3787
3788   {
3789     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3790     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3791     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3792     &custom_element_change.target_element, 1, 1,
3793     NULL, "after/when:", NULL, NULL,    "new target element after change"
3794   },
3795
3796   // ---------- custom change content (extended change target) ----------------
3797
3798   {
3799     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3800     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3801     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3802     &custom_element_change.target_content.e[0][0], 3, 3,
3803     NULL, NULL, NULL, NULL,             "new extended elements after change"
3804   },
3805
3806   // ---------- custom change trigger (element causing change) ----------------
3807
3808   {
3809     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3810     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3811     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3812     &custom_element_change.initial_trigger_element, 1, 1,
3813     NULL, NULL, NULL, NULL,             "other element triggering change"
3814   },
3815
3816   // ---------- custom change action (element used for action) ----------------
3817
3818   {
3819     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3820     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3821     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3822     &custom_element_change.action_element, 1, 1,
3823     NULL, NULL, NULL, NULL,             "element used as action parameter"
3824   },
3825
3826   // ---------- group element content -----------------------------------------
3827
3828   {
3829     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3830     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3831     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3832     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3833     "content:", NULL, NULL, NULL,       NULL
3834   },
3835
3836   // ---------- random background (for random painting) -----------------------
3837
3838   {
3839     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3840     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3841     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3842     &random_placement_background_element, 1, 1,
3843     NULL, NULL, NULL, NULL,             "random placement background"
3844   },
3845 };
3846
3847
3848 // ----------------------------------------------------------------------------
3849 // some internally used variables
3850 // ----------------------------------------------------------------------------
3851
3852 // maximal size of level editor drawing area
3853 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3854
3855 // actual size of level editor drawing area
3856 static int ed_fieldx, ed_fieldy;
3857
3858 // actual position of level editor drawing area in level playfield
3859 static int level_xpos = -1, level_ypos = -1;
3860
3861 // actual tile size used to display playfield drawing area
3862 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3863 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3864
3865 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3866
3867 // drawing elements on the three mouse buttons
3868 static int new_element1 = EL_WALL;
3869 static int new_element2 = EL_EMPTY;
3870 static int new_element3 = EL_SAND;
3871
3872 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3873 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3874                                 (button) == 2 ? new_element2 : \
3875                                 (button) == 3 ? new_element3 : EL_EMPTY)
3876
3877 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3878
3879 static int use_permanent_palette = TRUE;
3880
3881 #define PX              (use_permanent_palette ? DX : SX)
3882 #define PY              (use_permanent_palette ? DY : SY)
3883 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3884 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3885
3886 // forward declaration for internal use
3887 static void CopyBrushToCursor(int, int);
3888 static void DeleteBrushFromCursor(void);
3889 static void ModifyEditorCounterValue(int, int);
3890 static void ModifyEditorCounterLimits(int, int, int);
3891 static void ModifyEditorSelectboxValue(int, int);
3892 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3893 static void ModifyEditorDrawingArea(int, int, int);
3894 static void ModifyEditorElementList(void);
3895 static void AdjustElementListScrollbar(void);
3896 static void RedrawDrawingElements(void);
3897 static void DrawDrawingWindowExt(boolean);
3898 static void DrawDrawingWindow(void);
3899 static void DrawLevelInfoWindow(void);
3900 static void DrawPropertiesWindow(void);
3901 static void DrawPaletteWindow(void);
3902 static void UpdateCustomElementGraphicGadgets(void);
3903 static boolean checkPropertiesConfig(int);
3904 static void SetAutomaticNumberOfGemsNeeded(void);
3905 static void ClearEditorGadgetInfoText(void);
3906 static void CopyLevelToUndoBuffer(int);
3907 static void HandleDrawingAreas(struct GadgetInfo *);
3908 static void HandleCounterButtons(struct GadgetInfo *);
3909 static void HandleTextInputGadgets(struct GadgetInfo *);
3910 static void HandleTextAreaGadgets(struct GadgetInfo *);
3911 static void HandleSelectboxGadgets(struct GadgetInfo *);
3912 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3913 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3914 static void HandleRadiobuttons(struct GadgetInfo *);
3915 static void HandleCheckbuttons(struct GadgetInfo *);
3916 static void HandleControlButtons(struct GadgetInfo *);
3917 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3918 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3919 static boolean AskToCopyAndModifyLevelTemplate(void);
3920 static boolean getDrawModeHiRes(void);
3921 static int getTabulatorBarWidth(void);
3922 static int getTabulatorBarHeight(void);
3923 static Pixel getTabulatorBarColor(void);
3924
3925 static int num_editor_gadgets = 0;      // dynamically determined
3926
3927 static struct GadgetInfo **level_editor_gadget = NULL;
3928 static int *right_gadget_border = NULL;
3929
3930 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3931 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3932 static boolean draw_with_brush = FALSE;
3933 static int properties_element = 0;
3934
3935 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3936 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3937 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3938 static int undo_buffer_position = 0;
3939 static int undo_buffer_steps = 0;
3940 static int redo_buffer_steps = 0;
3941
3942 static int edit_mode;
3943 static int edit_mode_levelinfo;
3944 static int edit_mode_properties;
3945
3946 static int element_shift = 0;
3947
3948 static int editor_el_players[] =
3949 {
3950   EL_PLAYER_1,
3951   EL_PLAYER_2,
3952   EL_PLAYER_3,
3953   EL_PLAYER_4
3954 };
3955 static int *editor_el_players_ptr = editor_el_players;
3956 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3957
3958 static int editor_hl_boulderdash[] =
3959 {
3960   EL_INTERNAL_CASCADE_BD_ACTIVE,
3961   EL_CHAR('B'),
3962   EL_CHAR('D'),
3963   EL_EMPTY,
3964 };
3965
3966 static int editor_el_boulderdash[] =
3967 {
3968   EL_EMPTY,
3969   EL_SAND,
3970   EL_BD_ROCK,
3971   EL_BD_DIAMOND,
3972
3973   EL_STEELWALL,
3974   EL_BD_WALL,
3975   EL_BD_EXPANDABLE_WALL,
3976   EL_BD_MAGIC_WALL,
3977
3978   EL_BD_AMOEBA,
3979   EL_BD_BUTTERFLY_UP,
3980   EL_BD_FIREFLY_UP,
3981   EL_EXIT_CLOSED,
3982
3983   EL_BD_BUTTERFLY_LEFT,
3984   EL_BD_FIREFLY_LEFT,
3985   EL_BD_BUTTERFLY_RIGHT,
3986   EL_BD_FIREFLY_RIGHT,
3987
3988   EL_EMPTY,
3989   EL_BD_BUTTERFLY_DOWN,
3990   EL_BD_FIREFLY_DOWN,
3991   EL_EXIT_OPEN,
3992 };
3993 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3994 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3995 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3996 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3997
3998 static int editor_hl_emerald_mine[] =
3999 {
4000   EL_INTERNAL_CASCADE_EM_ACTIVE,
4001   EL_CHAR('E'),
4002   EL_CHAR('M'),
4003   EL_EMPTY,
4004 };
4005
4006 static int editor_el_emerald_mine[] =
4007 {
4008   EL_SAND,
4009   EL_ROCK,
4010   EL_QUICKSAND_EMPTY,
4011   EL_QUICKSAND_FULL,
4012
4013   EL_STEELWALL,
4014   EL_WALL,
4015   EL_WALL_SLIPPERY,
4016   EL_MAGIC_WALL,
4017
4018   EL_EMERALD,
4019   EL_DIAMOND,
4020   EL_NUT,
4021   EL_BOMB,
4022
4023   EL_EM_DYNAMITE,
4024   EL_EM_DYNAMITE_ACTIVE,
4025   EL_EM_EXIT_CLOSED,
4026   EL_EM_EXIT_OPEN,
4027
4028   EL_YAMYAM_UP,
4029   EL_BUG_UP,
4030   EL_SPACESHIP_UP,
4031   EL_ROBOT,
4032
4033   EL_BUG_LEFT,
4034   EL_SPACESHIP_LEFT,
4035   EL_BUG_RIGHT,
4036   EL_SPACESHIP_RIGHT,
4037
4038   EL_ROBOT_WHEEL,
4039   EL_BUG_DOWN,
4040   EL_SPACESHIP_DOWN,
4041   EL_INVISIBLE_WALL,
4042
4043   EL_ACID_POOL_TOPLEFT,
4044   EL_ACID,
4045   EL_ACID_POOL_TOPRIGHT,
4046   EL_AMOEBA_DROP,
4047
4048   EL_ACID_POOL_BOTTOMLEFT,
4049   EL_ACID_POOL_BOTTOM,
4050   EL_ACID_POOL_BOTTOMRIGHT,
4051   EL_AMOEBA_WET,
4052
4053   EL_EM_KEY_1,
4054   EL_EM_KEY_2,
4055   EL_EM_KEY_3,
4056   EL_EM_KEY_4,
4057
4058   EL_EM_GATE_1,
4059   EL_EM_GATE_2,
4060   EL_EM_GATE_3,
4061   EL_EM_GATE_4,
4062
4063   EL_EM_GATE_1_GRAY,
4064   EL_EM_GATE_2_GRAY,
4065   EL_EM_GATE_3_GRAY,
4066   EL_EM_GATE_4_GRAY,
4067 };
4068 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4069 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4070 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4071 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4072
4073 static int editor_hl_emerald_mine_club[] =
4074 {
4075   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4076   EL_CHAR('E'),
4077   EL_CHAR('M'),
4078   EL_CHAR('C'),
4079 };
4080
4081 static int editor_el_emerald_mine_club[] =
4082 {
4083   EL_EMC_KEY_5,
4084   EL_EMC_KEY_6,
4085   EL_EMC_KEY_7,
4086   EL_EMC_KEY_8,
4087
4088   EL_EMC_GATE_5,
4089   EL_EMC_GATE_6,
4090   EL_EMC_GATE_7,
4091   EL_EMC_GATE_8,
4092
4093   EL_EMC_GATE_5_GRAY,
4094   EL_EMC_GATE_6_GRAY,
4095   EL_EMC_GATE_7_GRAY,
4096   EL_EMC_GATE_8_GRAY,
4097
4098   EL_EMC_STEELWALL_1,
4099   EL_EMC_STEELWALL_2,
4100   EL_EMC_STEELWALL_3,
4101   EL_EMC_STEELWALL_4,
4102
4103   EL_EMC_WALL_13,
4104   EL_EMC_WALL_14,
4105   EL_EMC_WALL_15,
4106   EL_EMC_WALL_16,
4107
4108   EL_EMC_WALL_SLIPPERY_1,
4109   EL_EMC_WALL_SLIPPERY_2,
4110   EL_EMC_WALL_SLIPPERY_3,
4111   EL_EMC_WALL_SLIPPERY_4,
4112
4113   EL_EMC_WALL_1,
4114   EL_EMC_WALL_2,
4115   EL_EMC_WALL_3,
4116   EL_EMC_WALL_4,
4117
4118   EL_EMC_WALL_5,
4119   EL_EMC_WALL_6,
4120   EL_EMC_WALL_7,
4121   EL_EMC_WALL_8,
4122
4123   EL_EMC_WALL_9,
4124   EL_EMC_WALL_10,
4125   EL_EMC_WALL_11,
4126   EL_EMC_WALL_12,
4127
4128   EL_EMC_GRASS,
4129   EL_EMC_FAKE_GRASS,
4130   EL_EMC_PLANT,
4131   EL_EMC_DRIPPER,
4132
4133   EL_EMC_MAGIC_BALL,
4134   EL_EMC_MAGIC_BALL_SWITCH,
4135   EL_EMC_LENSES,
4136   EL_EMC_MAGNIFIER,
4137
4138   EL_SPRING_LEFT,
4139   EL_SPRING,
4140   EL_SPRING_RIGHT,
4141   EL_EMC_SPRING_BUMPER,
4142
4143   EL_BALLOON,
4144   EL_YAMYAM_UP,
4145   EL_BALLOON_SWITCH_UP,
4146   EL_BALLOON_SWITCH_ANY,
4147
4148   EL_YAMYAM_LEFT,
4149   EL_BALLOON_SWITCH_LEFT,
4150   EL_YAMYAM_RIGHT,
4151   EL_BALLOON_SWITCH_RIGHT,
4152
4153   EL_EMC_ANDROID,
4154   EL_YAMYAM_DOWN,
4155   EL_BALLOON_SWITCH_DOWN,
4156   EL_BALLOON_SWITCH_NONE,
4157 };
4158 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4159 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4160 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4161 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4162
4163 static int editor_hl_rnd[] =
4164 {
4165   EL_INTERNAL_CASCADE_RND_ACTIVE,
4166   EL_CHAR('R'),
4167   EL_CHAR('N'),
4168   EL_CHAR('D'),
4169 };
4170
4171 static int editor_el_rnd[] =
4172 {
4173   EL_DYNAMITE,                  // RND
4174   EL_DYNAMITE_ACTIVE,           // RND
4175   EL_EMPTY,
4176   EL_EMPTY,
4177
4178   EL_KEY_1,
4179   EL_KEY_2,
4180   EL_KEY_3,
4181   EL_KEY_4,
4182
4183   EL_GATE_1,
4184   EL_GATE_2,
4185   EL_GATE_3,
4186   EL_GATE_4,
4187
4188   EL_GATE_1_GRAY,
4189   EL_GATE_2_GRAY,
4190   EL_GATE_3_GRAY,
4191   EL_GATE_4_GRAY,
4192
4193   EL_ARROW_LEFT,
4194   EL_ARROW_RIGHT,
4195   EL_ARROW_UP,
4196   EL_ARROW_DOWN,
4197
4198   EL_AMOEBA_DEAD,
4199   EL_AMOEBA_DRY,
4200   EL_AMOEBA_FULL,
4201   EL_GAME_OF_LIFE,
4202
4203   EL_EMERALD_YELLOW,
4204   EL_EMERALD_RED,
4205   EL_EMERALD_PURPLE,
4206   EL_BIOMAZE,
4207
4208   EL_WALL_EMERALD_YELLOW,
4209   EL_WALL_EMERALD_RED,
4210   EL_WALL_EMERALD_PURPLE,
4211   EL_WALL_BD_DIAMOND,
4212
4213   EL_SPEED_PILL,
4214   EL_PACMAN_UP,
4215   EL_TIME_ORB_FULL,
4216   EL_TIME_ORB_EMPTY,
4217
4218   EL_PACMAN_LEFT,
4219   EL_DARK_YAMYAM,
4220   EL_PACMAN_RIGHT,
4221   EL_YAMYAM,                    // RND
4222
4223   EL_BLACK_ORB,
4224   EL_PACMAN_DOWN,
4225   EL_LAMP,
4226   EL_LAMP_ACTIVE,
4227
4228   EL_DYNABOMB_INCREASE_NUMBER,
4229   EL_DYNABOMB_INCREASE_SIZE,
4230   EL_DYNABOMB_INCREASE_POWER,
4231   EL_STONEBLOCK,
4232
4233   EL_MOLE,
4234   EL_PENGUIN,
4235   EL_PIG,
4236   EL_DRAGON,
4237
4238   EL_BUG,
4239   EL_MOLE_UP,
4240   EL_BD_BUTTERFLY,
4241   EL_BD_FIREFLY,
4242
4243   EL_MOLE_LEFT,
4244   EL_SATELLITE,
4245   EL_MOLE_RIGHT,
4246   EL_PACMAN,
4247
4248   EL_SPACESHIP,
4249   EL_MOLE_DOWN,
4250   EL_INVISIBLE_STEELWALL,
4251   EL_INVISIBLE_WALL,
4252
4253   EL_EXPANDABLE_WALL,
4254   EL_EXPANDABLE_WALL_HORIZONTAL,
4255   EL_EXPANDABLE_WALL_VERTICAL,
4256   EL_EXPANDABLE_WALL_ANY,
4257 };
4258 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4259 static int *editor_el_rnd_ptr = editor_el_rnd;
4260 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4261 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4262
4263 static int editor_hl_sokoban[] =
4264 {
4265   EL_INTERNAL_CASCADE_SB_ACTIVE,
4266   EL_CHAR('S'),
4267   EL_CHAR('B'),
4268   EL_EMPTY,
4269 };
4270
4271 static int editor_el_sokoban[] =
4272 {
4273   EL_SOKOBAN_OBJECT,
4274   EL_SOKOBAN_FIELD_EMPTY,
4275   EL_SOKOBAN_FIELD_FULL,
4276   EL_SOKOBAN_FIELD_PLAYER,
4277 };
4278 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4279 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4280 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4281 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4282
4283 static int editor_hl_supaplex[] =
4284 {
4285   EL_INTERNAL_CASCADE_SP_ACTIVE,
4286   EL_CHAR('S'),
4287   EL_CHAR('P'),
4288   EL_EMPTY,
4289 };
4290
4291 static int editor_el_supaplex[] =
4292 {
4293   EL_SP_MURPHY,
4294   EL_EMPTY,
4295   EL_SP_BASE,
4296   EL_SP_BUGGY_BASE,
4297
4298   EL_SP_INFOTRON,
4299   EL_SP_ZONK,
4300   EL_SP_SNIKSNAK,
4301   EL_SP_ELECTRON,
4302
4303   EL_SP_DISK_RED,
4304   EL_SP_DISK_ORANGE,
4305   EL_SP_DISK_YELLOW,
4306   EL_SP_TERMINAL,
4307
4308   EL_SP_EXIT_CLOSED,
4309   EL_SP_PORT_HORIZONTAL,
4310   EL_SP_PORT_VERTICAL,
4311   EL_SP_PORT_ANY,
4312
4313   EL_SP_PORT_LEFT,
4314   EL_SP_PORT_RIGHT,
4315   EL_SP_PORT_UP,
4316   EL_SP_PORT_DOWN,
4317
4318   EL_SP_GRAVITY_PORT_LEFT,
4319   EL_SP_GRAVITY_PORT_RIGHT,
4320   EL_SP_GRAVITY_PORT_UP,
4321   EL_SP_GRAVITY_PORT_DOWN,
4322
4323   EL_SP_GRAVITY_ON_PORT_LEFT,
4324   EL_SP_GRAVITY_ON_PORT_RIGHT,
4325   EL_SP_GRAVITY_ON_PORT_UP,
4326   EL_SP_GRAVITY_ON_PORT_DOWN,
4327
4328   EL_SP_GRAVITY_OFF_PORT_LEFT,
4329   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4330   EL_SP_GRAVITY_OFF_PORT_UP,
4331   EL_SP_GRAVITY_OFF_PORT_DOWN,
4332
4333   EL_SP_HARDWARE_GRAY,
4334   EL_SP_HARDWARE_GREEN,
4335   EL_SP_HARDWARE_BLUE,
4336   EL_SP_HARDWARE_RED,
4337
4338   EL_SP_HARDWARE_BASE_1,
4339   EL_SP_HARDWARE_BASE_2,
4340   EL_SP_HARDWARE_BASE_3,
4341   EL_SP_HARDWARE_BASE_4,
4342
4343   EL_SP_HARDWARE_BASE_5,
4344   EL_SP_HARDWARE_BASE_6,
4345   EL_SP_HARDWARE_YELLOW,
4346   EL_SP_CHIP_TOP,
4347
4348   EL_SP_CHIP_SINGLE,
4349   EL_SP_CHIP_LEFT,
4350   EL_SP_CHIP_RIGHT,
4351   EL_SP_CHIP_BOTTOM,
4352 };
4353 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4354 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4355 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4356 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4357
4358 static int editor_hl_diamond_caves[] =
4359 {
4360   EL_INTERNAL_CASCADE_DC_ACTIVE,
4361   EL_CHAR('D'),
4362   EL_CHAR('C'),
4363   EL_CHAR('2'),
4364 };
4365
4366 static int editor_el_diamond_caves[] =
4367 {
4368   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4369   EL_EM_STEEL_EXIT_OPEN,        // DC2
4370   EL_WALL_EMERALD,              // DC2
4371   EL_WALL_DIAMOND,              // DC2
4372
4373   EL_PEARL,
4374   EL_CRYSTAL,
4375   EL_WALL_PEARL,
4376   EL_WALL_CRYSTAL,
4377
4378   EL_CONVEYOR_BELT_1_LEFT,
4379   EL_CONVEYOR_BELT_1_MIDDLE,
4380   EL_CONVEYOR_BELT_1_RIGHT,
4381   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4382
4383   EL_CONVEYOR_BELT_2_LEFT,
4384   EL_CONVEYOR_BELT_2_MIDDLE,
4385   EL_CONVEYOR_BELT_2_RIGHT,
4386   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4387
4388   EL_CONVEYOR_BELT_3_LEFT,
4389   EL_CONVEYOR_BELT_3_MIDDLE,
4390   EL_CONVEYOR_BELT_3_RIGHT,
4391   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4392
4393   EL_CONVEYOR_BELT_4_LEFT,
4394   EL_CONVEYOR_BELT_4_MIDDLE,
4395   EL_CONVEYOR_BELT_4_RIGHT,
4396   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4397
4398   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4399   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4400   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4401   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4402
4403   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4404   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4405   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4406   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4407
4408   EL_TIMEGATE_CLOSED,
4409   EL_TIMEGATE_OPEN,
4410   EL_TIMEGATE_SWITCH,
4411   EL_DC_TIMEGATE_SWITCH,
4412
4413   EL_SWITCHGATE_CLOSED,
4414   EL_SWITCHGATE_OPEN,
4415   EL_SWITCHGATE_SWITCH_UP,
4416   EL_SWITCHGATE_SWITCH_DOWN,
4417
4418   EL_LIGHT_SWITCH,
4419   EL_LIGHT_SWITCH_ACTIVE,
4420   EL_DC_SWITCHGATE_SWITCH_UP,
4421   EL_DC_SWITCHGATE_SWITCH_DOWN,
4422
4423   EL_STEEL_EXIT_CLOSED,
4424   EL_STEEL_EXIT_OPEN,
4425   EL_STEELWALL_SLIPPERY,
4426   EL_INVISIBLE_SAND,
4427
4428   EL_QUICKSAND_FAST_EMPTY,
4429   EL_QUICKSAND_FAST_FULL,
4430   EL_LANDMINE,
4431   EL_DC_LANDMINE,
4432
4433   EL_SHIELD_NORMAL,
4434   EL_SHIELD_DEADLY,
4435   EL_EXTRA_TIME,
4436   EL_DC_MAGIC_WALL,
4437
4438   EL_ENVELOPE_1,
4439   EL_ENVELOPE_2,
4440   EL_ENVELOPE_3,
4441   EL_ENVELOPE_4,
4442
4443   EL_SIGN_RADIOACTIVITY,
4444   EL_SIGN_WHEELCHAIR,
4445   EL_SIGN_PARKING,
4446   EL_SIGN_NO_ENTRY,
4447
4448   EL_SIGN_GIVE_WAY,
4449   EL_SIGN_ENTRY_FORBIDDEN,
4450   EL_SIGN_EMERGENCY_EXIT,
4451   EL_SIGN_YIN_YANG,
4452
4453 #if 0
4454   EL_SIGN_SPERMS,
4455   EL_SIGN_BULLET,
4456   EL_SIGN_HEART,
4457   EL_SIGN_CROSS,
4458
4459   EL_SIGN_FRANKIE,
4460   EL_EMPTY,
4461   EL_EMPTY,
4462   EL_EMPTY,
4463
4464   EL_SPERMS,
4465   EL_BULLET,
4466   EL_HEART,
4467   EL_CROSS,
4468
4469   EL_FRANKIE,
4470   EL_EMPTY,
4471   EL_EMPTY,
4472   EL_EMPTY,
4473 #endif
4474
4475   EL_DC_STEELWALL_2_SINGLE,
4476   EL_DC_STEELWALL_2_TOP,
4477   EL_SIGN_EXCLAMATION,
4478   EL_SIGN_STOP,
4479
4480   EL_DC_STEELWALL_2_LEFT,
4481   EL_DC_STEELWALL_2_MIDDLE,
4482   EL_DC_STEELWALL_2_HORIZONTAL,
4483   EL_DC_STEELWALL_2_RIGHT,
4484
4485   EL_DC_STEELWALL_1_TOPLEFT,
4486   EL_DC_STEELWALL_2_VERTICAL,
4487   EL_DC_STEELWALL_1_TOPRIGHT,
4488   EL_DC_GATE_WHITE,
4489
4490   EL_DC_STEELWALL_1_VERTICAL,
4491   EL_DC_STEELWALL_2_BOTTOM,
4492   EL_DC_KEY_WHITE,
4493   EL_DC_GATE_WHITE_GRAY,
4494
4495   EL_DC_STEELWALL_1_BOTTOMLEFT,
4496   EL_DC_STEELWALL_1_HORIZONTAL,
4497   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4498   EL_DC_GATE_FAKE_GRAY,
4499
4500   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4501   EL_DC_STEELWALL_1_BOTTOM,
4502   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4503   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4504
4505   EL_DC_STEELWALL_1_RIGHT,
4506   EL_EMPTY,
4507   EL_DC_STEELWALL_1_LEFT,
4508   EL_EXPANDABLE_STEELWALL_VERTICAL,
4509
4510   EL_DC_STEELWALL_1_TOPRIGHT_2,
4511   EL_DC_STEELWALL_1_TOP,
4512   EL_DC_STEELWALL_1_TOPLEFT_2,
4513   EL_EXPANDABLE_STEELWALL_ANY,
4514 };
4515 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4516 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4517 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4518 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4519
4520 static int editor_hl_dx_boulderdash[] =
4521 {
4522   EL_INTERNAL_CASCADE_DX_ACTIVE,
4523   EL_CHAR('D'),
4524   EL_CHAR('X'),
4525   EL_EMPTY,
4526 };
4527
4528 static int editor_el_dx_boulderdash[] =
4529 {
4530   EL_EMPTY,
4531   EL_TUBE_RIGHT_DOWN,
4532   EL_TUBE_HORIZONTAL_DOWN,
4533   EL_TUBE_LEFT_DOWN,
4534
4535   EL_TUBE_HORIZONTAL,
4536   EL_TUBE_VERTICAL_RIGHT,
4537   EL_TUBE_ANY,
4538   EL_TUBE_VERTICAL_LEFT,
4539
4540   EL_TUBE_VERTICAL,
4541   EL_TUBE_RIGHT_UP,
4542   EL_TUBE_HORIZONTAL_UP,
4543   EL_TUBE_LEFT_UP,
4544
4545   EL_TRAP,
4546   EL_DX_SUPABOMB,
4547   EL_EMPTY,
4548   EL_EMPTY
4549 };
4550 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4551 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4552 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4553 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4554
4555 static int editor_hl_mirror_magic[] =
4556 {
4557   EL_INTERNAL_CASCADE_MM_ACTIVE,
4558   EL_CHAR('M'),
4559   EL_CHAR('M'),
4560   EL_EMPTY,
4561 };
4562
4563 static int editor_el_mirror_magic[] =
4564 {
4565   EL_MM_MCDUFFIN_RIGHT,
4566   EL_MM_MCDUFFIN_UP,
4567   EL_MM_MCDUFFIN_LEFT,
4568   EL_MM_MCDUFFIN_DOWN,
4569
4570   EL_MM_MIRROR_START,
4571   EL_MM_MIRROR_FIXED_START,
4572   EL_MM_POLARIZER_START,
4573   EL_MM_POLARIZER_CROSS_START,
4574
4575   EL_MM_TELEPORTER_RED_START,
4576   EL_MM_TELEPORTER_YELLOW_START,
4577   EL_MM_TELEPORTER_GREEN_START,
4578   EL_MM_TELEPORTER_BLUE_START,
4579
4580   EL_MM_PRISM,
4581   EL_MM_FUSE_ACTIVE,
4582   EL_MM_PACMAN_RIGHT,
4583   EL_MM_EXIT_CLOSED,
4584
4585   EL_MM_KETTLE,
4586   EL_MM_BOMB,
4587   EL_MM_KEY,
4588   EL_MM_FUEL_FULL,
4589
4590   EL_MM_LIGHTBULB,
4591   EL_MM_LIGHTBULB_ACTIVE,
4592   EL_MM_GRAY_BALL,
4593   EL_MM_LIGHTBALL,
4594
4595   EL_MM_STEEL_WALL,
4596   EL_MM_WOODEN_WALL,
4597   EL_MM_ICE_WALL,
4598   EL_MM_AMOEBA_WALL,
4599
4600   EL_MM_STEEL_LOCK,
4601   EL_MM_WOODEN_LOCK,
4602   EL_MM_STEEL_BLOCK,
4603   EL_MM_WOODEN_BLOCK,
4604
4605   EL_MM_STEEL_GRID_FIXED_1,
4606   EL_MM_STEEL_GRID_FIXED_2,
4607   EL_MM_STEEL_GRID_FIXED_3,
4608   EL_MM_STEEL_GRID_FIXED_4,
4609
4610   EL_MM_WOODEN_GRID_FIXED_1,
4611   EL_MM_WOODEN_GRID_FIXED_2,
4612   EL_MM_WOODEN_GRID_FIXED_3,
4613   EL_MM_WOODEN_GRID_FIXED_4
4614 };
4615 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4616 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4617 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4618 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4619
4620 static int editor_hl_deflektor[] =
4621 {
4622   EL_INTERNAL_CASCADE_DF_ACTIVE,
4623   EL_CHAR('D'),
4624   EL_CHAR('F'),
4625   EL_EMPTY,
4626 };
4627
4628 static int editor_el_deflektor[] =
4629 {
4630   EL_DF_LASER_RIGHT,
4631   EL_DF_LASER_UP,
4632   EL_DF_LASER_LEFT,
4633   EL_DF_LASER_DOWN,
4634
4635   EL_DF_RECEIVER_RIGHT,
4636   EL_DF_RECEIVER_UP,
4637   EL_DF_RECEIVER_LEFT,
4638   EL_DF_RECEIVER_DOWN,
4639
4640   EL_DF_MIRROR_START,
4641   EL_DF_MIRROR_ROTATING_START,
4642   EL_DF_CELL,
4643   EL_DF_MINE,
4644
4645   EL_DF_FIBRE_OPTIC_RED_1,
4646   EL_DF_FIBRE_OPTIC_YELLOW_1,
4647   EL_DF_FIBRE_OPTIC_GREEN_1,
4648   EL_DF_FIBRE_OPTIC_BLUE_1,
4649
4650   EL_DF_STEEL_GRID_FIXED_START,
4651   EL_DF_STEEL_GRID_ROTATING_START,
4652   EL_DF_WOODEN_GRID_FIXED_START,
4653   EL_DF_WOODEN_GRID_ROTATING_START,
4654
4655   EL_DF_STEEL_WALL,
4656   EL_DF_WOODEN_WALL,
4657   EL_DF_REFRACTOR,
4658   EL_EMPTY
4659 };
4660 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4661 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4662 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4663 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4664
4665 static int editor_hl_chars[] =
4666 {
4667   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4668   EL_CHAR('T'),
4669   EL_CHAR('X'),
4670   EL_CHAR('T'),
4671 };
4672
4673 static int editor_el_chars[] =
4674 {
4675   EL_CHAR(' '),
4676   EL_CHAR('!'),
4677   EL_CHAR('"'),
4678   EL_CHAR('#'),
4679
4680   EL_CHAR('$'),
4681   EL_CHAR('%'),
4682   EL_CHAR('&'),
4683   EL_CHAR('\''),
4684
4685   EL_CHAR('('),
4686   EL_CHAR(')'),
4687   EL_CHAR('*'),
4688   EL_CHAR('+'),
4689
4690   EL_CHAR(','),
4691   EL_CHAR('-'),
4692   EL_CHAR('.'),
4693   EL_CHAR('/'),
4694
4695   EL_CHAR('0'),
4696   EL_CHAR('1'),
4697   EL_CHAR('2'),
4698   EL_CHAR('3'),
4699
4700   EL_CHAR('4'),
4701   EL_CHAR('5'),
4702   EL_CHAR('6'),
4703   EL_CHAR('7'),
4704
4705   EL_CHAR('8'),
4706   EL_CHAR('9'),
4707   EL_CHAR(':'),
4708   EL_CHAR(';'),
4709
4710   EL_CHAR('<'),
4711   EL_CHAR('='),
4712   EL_CHAR('>'),
4713   EL_CHAR('?'),
4714
4715   EL_CHAR('@'),
4716   EL_CHAR('A'),
4717   EL_CHAR('B'),
4718   EL_CHAR('C'),
4719
4720   EL_CHAR('D'),
4721   EL_CHAR('E'),
4722   EL_CHAR('F'),
4723   EL_CHAR('G'),
4724
4725   EL_CHAR('H'),
4726   EL_CHAR('I'),
4727   EL_CHAR('J'),
4728   EL_CHAR('K'),
4729
4730   EL_CHAR('L'),
4731   EL_CHAR('M'),
4732   EL_CHAR('N'),
4733   EL_CHAR('O'),
4734
4735   EL_CHAR('P'),
4736   EL_CHAR('Q'),
4737   EL_CHAR('R'),
4738   EL_CHAR('S'),
4739
4740   EL_CHAR('T'),
4741   EL_CHAR('U'),
4742   EL_CHAR('V'),
4743   EL_CHAR('W'),
4744
4745   EL_CHAR('X'),
4746   EL_CHAR('Y'),
4747   EL_CHAR('Z'),
4748   EL_CHAR('['),
4749
4750   EL_CHAR('\\'),
4751   EL_CHAR(']'),
4752   EL_CHAR('^'),
4753   EL_CHAR('_'),
4754
4755   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4756   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4757   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4758   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4759
4760   EL_CHAR(CHAR_BYTE_DEGREE),
4761   EL_CHAR(CHAR_BYTE_REGISTERED),
4762   EL_CHAR(FONT_ASCII_CURSOR),
4763   EL_CHAR(FONT_ASCII_BUTTON),
4764
4765   EL_CHAR(FONT_ASCII_UP),
4766   EL_CHAR(FONT_ASCII_DOWN),
4767   EL_CHAR(' '),
4768   EL_CHAR(' ')
4769 };
4770 static int *editor_hl_chars_ptr = editor_hl_chars;
4771 static int *editor_el_chars_ptr = editor_el_chars;
4772 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4773 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4774
4775 static int editor_hl_steel_chars[] =
4776 {
4777   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4778   EL_STEEL_CHAR('T'),
4779   EL_STEEL_CHAR('X'),
4780   EL_STEEL_CHAR('T'),
4781 };
4782
4783 static int editor_el_steel_chars[] =
4784 {
4785   EL_STEEL_CHAR(' '),
4786   EL_STEEL_CHAR('!'),
4787   EL_STEEL_CHAR('"'),
4788   EL_STEEL_CHAR('#'),
4789
4790   EL_STEEL_CHAR('$'),
4791   EL_STEEL_CHAR('%'),
4792   EL_STEEL_CHAR('&'),
4793   EL_STEEL_CHAR('\''),
4794
4795   EL_STEEL_CHAR('('),
4796   EL_STEEL_CHAR(')'),
4797   EL_STEEL_CHAR('*'),
4798   EL_STEEL_CHAR('+'),
4799
4800   EL_STEEL_CHAR(','),
4801   EL_STEEL_CHAR('-'),
4802   EL_STEEL_CHAR('.'),
4803   EL_STEEL_CHAR('/'),
4804
4805   EL_STEEL_CHAR('0'),
4806   EL_STEEL_CHAR('1'),
4807   EL_STEEL_CHAR('2'),
4808   EL_STEEL_CHAR('3'),
4809
4810   EL_STEEL_CHAR('4'),
4811   EL_STEEL_CHAR('5'),
4812   EL_STEEL_CHAR('6'),
4813   EL_STEEL_CHAR('7'),
4814
4815   EL_STEEL_CHAR('8'),
4816   EL_STEEL_CHAR('9'),
4817   EL_STEEL_CHAR(':'),
4818   EL_STEEL_CHAR(';'),
4819
4820   EL_STEEL_CHAR('<'),
4821   EL_STEEL_CHAR('='),
4822   EL_STEEL_CHAR('>'),
4823   EL_STEEL_CHAR('?'),
4824
4825   EL_STEEL_CHAR('@'),
4826   EL_STEEL_CHAR('A'),
4827   EL_STEEL_CHAR('B'),
4828   EL_STEEL_CHAR('C'),
4829
4830   EL_STEEL_CHAR('D'),
4831   EL_STEEL_CHAR('E'),
4832   EL_STEEL_CHAR('F'),
4833   EL_STEEL_CHAR('G'),
4834
4835   EL_STEEL_CHAR('H'),
4836   EL_STEEL_CHAR('I'),
4837   EL_STEEL_CHAR('J'),
4838   EL_STEEL_CHAR('K'),
4839
4840   EL_STEEL_CHAR('L'),
4841   EL_STEEL_CHAR('M'),
4842   EL_STEEL_CHAR('N'),
4843   EL_STEEL_CHAR('O'),
4844
4845   EL_STEEL_CHAR('P'),
4846   EL_STEEL_CHAR('Q'),
4847   EL_STEEL_CHAR('R'),
4848   EL_STEEL_CHAR('S'),
4849
4850   EL_STEEL_CHAR('T'),
4851   EL_STEEL_CHAR('U'),
4852   EL_STEEL_CHAR('V'),
4853   EL_STEEL_CHAR('W'),
4854
4855   EL_STEEL_CHAR('X'),
4856   EL_STEEL_CHAR('Y'),
4857   EL_STEEL_CHAR('Z'),
4858   EL_STEEL_CHAR('['),
4859
4860   EL_STEEL_CHAR('\\'),
4861   EL_STEEL_CHAR(']'),
4862   EL_STEEL_CHAR('^'),
4863   EL_STEEL_CHAR('_'),
4864
4865   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4866   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4867   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4868   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4869
4870   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4871   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4872   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4873   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4874
4875   EL_STEEL_CHAR(FONT_ASCII_UP),
4876   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4877   EL_STEEL_CHAR(' '),
4878   EL_STEEL_CHAR(' ')
4879 };
4880 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4881 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4882 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4883 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4884
4885 static int editor_hl_custom[] =
4886 {
4887   EL_INTERNAL_CASCADE_CE_ACTIVE,
4888   EL_CHAR('C'),
4889   EL_CHAR('E'),
4890   EL_EMPTY,
4891 };
4892
4893 static int editor_el_custom[] =
4894 {
4895   EL_CUSTOM_START + 0,
4896   EL_CUSTOM_START + 1,
4897   EL_CUSTOM_START + 2,
4898   EL_CUSTOM_START + 3,
4899
4900   EL_CUSTOM_START + 4,
4901   EL_CUSTOM_START + 5,
4902   EL_CUSTOM_START + 6,
4903   EL_CUSTOM_START + 7,
4904
4905   EL_CUSTOM_START + 8,
4906   EL_CUSTOM_START + 9,
4907   EL_CUSTOM_START + 10,
4908   EL_CUSTOM_START + 11,
4909
4910   EL_CUSTOM_START + 12,
4911   EL_CUSTOM_START + 13,
4912   EL_CUSTOM_START + 14,
4913   EL_CUSTOM_START + 15,
4914
4915   EL_CUSTOM_START + 16,
4916   EL_CUSTOM_START + 17,
4917   EL_CUSTOM_START + 18,
4918   EL_CUSTOM_START + 19,
4919
4920   EL_CUSTOM_START + 20,
4921   EL_CUSTOM_START + 21,
4922   EL_CUSTOM_START + 22,
4923   EL_CUSTOM_START + 23,
4924
4925   EL_CUSTOM_START + 24,
4926   EL_CUSTOM_START + 25,
4927   EL_CUSTOM_START + 26,
4928   EL_CUSTOM_START + 27,
4929
4930   EL_CUSTOM_START + 28,
4931   EL_CUSTOM_START + 29,
4932   EL_CUSTOM_START + 30,
4933   EL_CUSTOM_START + 31,
4934
4935   EL_CUSTOM_START + 32,
4936   EL_CUSTOM_START + 33,
4937   EL_CUSTOM_START + 34,
4938   EL_CUSTOM_START + 35,
4939
4940   EL_CUSTOM_START + 36,
4941   EL_CUSTOM_START + 37,
4942   EL_CUSTOM_START + 38,
4943   EL_CUSTOM_START + 39,
4944
4945   EL_CUSTOM_START + 40,
4946   EL_CUSTOM_START + 41,
4947   EL_CUSTOM_START + 42,
4948   EL_CUSTOM_START + 43,
4949
4950   EL_CUSTOM_START + 44,
4951   EL_CUSTOM_START + 45,
4952   EL_CUSTOM_START + 46,
4953   EL_CUSTOM_START + 47,
4954
4955   EL_CUSTOM_START + 48,
4956   EL_CUSTOM_START + 49,
4957   EL_CUSTOM_START + 50,
4958   EL_CUSTOM_START + 51,
4959
4960   EL_CUSTOM_START + 52,
4961   EL_CUSTOM_START + 53,
4962   EL_CUSTOM_START + 54,
4963   EL_CUSTOM_START + 55,
4964
4965   EL_CUSTOM_START + 56,
4966   EL_CUSTOM_START + 57,
4967   EL_CUSTOM_START + 58,
4968   EL_CUSTOM_START + 59,
4969
4970   EL_CUSTOM_START + 60,
4971   EL_CUSTOM_START + 61,
4972   EL_CUSTOM_START + 62,
4973   EL_CUSTOM_START + 63,
4974
4975   EL_CUSTOM_START + 64,
4976   EL_CUSTOM_START + 65,
4977   EL_CUSTOM_START + 66,
4978   EL_CUSTOM_START + 67,
4979
4980   EL_CUSTOM_START + 68,
4981   EL_CUSTOM_START + 69,
4982   EL_CUSTOM_START + 70,
4983   EL_CUSTOM_START + 71,
4984
4985   EL_CUSTOM_START + 72,
4986   EL_CUSTOM_START + 73,
4987   EL_CUSTOM_START + 74,
4988   EL_CUSTOM_START + 75,
4989
4990   EL_CUSTOM_START + 76,
4991   EL_CUSTOM_START + 77,
4992   EL_CUSTOM_START + 78,
4993   EL_CUSTOM_START + 79,
4994
4995   EL_CUSTOM_START + 80,
4996   EL_CUSTOM_START + 81,
4997   EL_CUSTOM_START + 82,
4998   EL_CUSTOM_START + 83,
4999
5000   EL_CUSTOM_START + 84,
5001   EL_CUSTOM_START + 85,
5002   EL_CUSTOM_START + 86,
5003   EL_CUSTOM_START + 87,
5004
5005   EL_CUSTOM_START + 88,
5006   EL_CUSTOM_START + 89,
5007   EL_CUSTOM_START + 90,
5008   EL_CUSTOM_START + 91,
5009
5010   EL_CUSTOM_START + 92,
5011   EL_CUSTOM_START + 93,
5012   EL_CUSTOM_START + 94,
5013   EL_CUSTOM_START + 95,
5014
5015   EL_CUSTOM_START + 96,
5016   EL_CUSTOM_START + 97,
5017   EL_CUSTOM_START + 98,
5018   EL_CUSTOM_START + 99,
5019
5020   EL_CUSTOM_START + 100,
5021   EL_CUSTOM_START + 101,
5022   EL_CUSTOM_START + 102,
5023   EL_CUSTOM_START + 103,
5024
5025   EL_CUSTOM_START + 104,
5026   EL_CUSTOM_START + 105,
5027   EL_CUSTOM_START + 106,
5028   EL_CUSTOM_START + 107,
5029
5030   EL_CUSTOM_START + 108,
5031   EL_CUSTOM_START + 109,
5032   EL_CUSTOM_START + 110,
5033   EL_CUSTOM_START + 111,
5034
5035   EL_CUSTOM_START + 112,
5036   EL_CUSTOM_START + 113,
5037   EL_CUSTOM_START + 114,
5038   EL_CUSTOM_START + 115,
5039
5040   EL_CUSTOM_START + 116,
5041   EL_CUSTOM_START + 117,
5042   EL_CUSTOM_START + 118,
5043   EL_CUSTOM_START + 119,
5044
5045   EL_CUSTOM_START + 120,
5046   EL_CUSTOM_START + 121,
5047   EL_CUSTOM_START + 122,
5048   EL_CUSTOM_START + 123,
5049
5050   EL_CUSTOM_START + 124,
5051   EL_CUSTOM_START + 125,
5052   EL_CUSTOM_START + 126,
5053   EL_CUSTOM_START + 127,
5054
5055   EL_CUSTOM_START + 128,
5056   EL_CUSTOM_START + 129,
5057   EL_CUSTOM_START + 130,
5058   EL_CUSTOM_START + 131,
5059
5060   EL_CUSTOM_START + 132,
5061   EL_CUSTOM_START + 133,
5062   EL_CUSTOM_START + 134,
5063   EL_CUSTOM_START + 135,
5064
5065   EL_CUSTOM_START + 136,
5066   EL_CUSTOM_START + 137,
5067   EL_CUSTOM_START + 138,
5068   EL_CUSTOM_START + 139,
5069
5070   EL_CUSTOM_START + 140,
5071   EL_CUSTOM_START + 141,
5072   EL_CUSTOM_START + 142,
5073   EL_CUSTOM_START + 143,
5074
5075   EL_CUSTOM_START + 144,
5076   EL_CUSTOM_START + 145,
5077   EL_CUSTOM_START + 146,
5078   EL_CUSTOM_START + 147,
5079
5080   EL_CUSTOM_START + 148,
5081   EL_CUSTOM_START + 149,
5082   EL_CUSTOM_START + 150,
5083   EL_CUSTOM_START + 151,
5084
5085   EL_CUSTOM_START + 152,
5086   EL_CUSTOM_START + 153,
5087   EL_CUSTOM_START + 154,
5088   EL_CUSTOM_START + 155,
5089
5090   EL_CUSTOM_START + 156,
5091   EL_CUSTOM_START + 157,
5092   EL_CUSTOM_START + 158,
5093   EL_CUSTOM_START + 159,
5094
5095   EL_CUSTOM_START + 160,
5096   EL_CUSTOM_START + 161,
5097   EL_CUSTOM_START + 162,
5098   EL_CUSTOM_START + 163,
5099
5100   EL_CUSTOM_START + 164,
5101   EL_CUSTOM_START + 165,
5102   EL_CUSTOM_START + 166,
5103   EL_CUSTOM_START + 167,
5104
5105   EL_CUSTOM_START + 168,
5106   EL_CUSTOM_START + 169,
5107   EL_CUSTOM_START + 170,
5108   EL_CUSTOM_START + 171,
5109
5110   EL_CUSTOM_START + 172,
5111   EL_CUSTOM_START + 173,
5112   EL_CUSTOM_START + 174,
5113   EL_CUSTOM_START + 175,
5114
5115   EL_CUSTOM_START + 176,
5116   EL_CUSTOM_START + 177,
5117   EL_CUSTOM_START + 178,
5118   EL_CUSTOM_START + 179,
5119
5120   EL_CUSTOM_START + 180,
5121   EL_CUSTOM_START + 181,
5122   EL_CUSTOM_START + 182,
5123   EL_CUSTOM_START + 183,
5124
5125   EL_CUSTOM_START + 184,
5126   EL_CUSTOM_START + 185,
5127   EL_CUSTOM_START + 186,
5128   EL_CUSTOM_START + 187,
5129
5130   EL_CUSTOM_START + 188,
5131   EL_CUSTOM_START + 189,
5132   EL_CUSTOM_START + 190,
5133   EL_CUSTOM_START + 191,
5134
5135   EL_CUSTOM_START + 192,
5136   EL_CUSTOM_START + 193,
5137   EL_CUSTOM_START + 194,
5138   EL_CUSTOM_START + 195,
5139
5140   EL_CUSTOM_START + 196,
5141   EL_CUSTOM_START + 197,
5142   EL_CUSTOM_START + 198,
5143   EL_CUSTOM_START + 199,
5144
5145   EL_CUSTOM_START + 200,
5146   EL_CUSTOM_START + 201,
5147   EL_CUSTOM_START + 202,
5148   EL_CUSTOM_START + 203,
5149
5150   EL_CUSTOM_START + 204,
5151   EL_CUSTOM_START + 205,
5152   EL_CUSTOM_START + 206,
5153   EL_CUSTOM_START + 207,
5154
5155   EL_CUSTOM_START + 208,
5156   EL_CUSTOM_START + 209,
5157   EL_CUSTOM_START + 210,
5158   EL_CUSTOM_START + 211,
5159
5160   EL_CUSTOM_START + 212,
5161   EL_CUSTOM_START + 213,
5162   EL_CUSTOM_START + 214,
5163   EL_CUSTOM_START + 215,
5164
5165   EL_CUSTOM_START + 216,
5166   EL_CUSTOM_START + 217,
5167   EL_CUSTOM_START + 218,
5168   EL_CUSTOM_START + 219,
5169
5170   EL_CUSTOM_START + 220,
5171   EL_CUSTOM_START + 221,
5172   EL_CUSTOM_START + 222,
5173   EL_CUSTOM_START + 223,
5174
5175   EL_CUSTOM_START + 224,
5176   EL_CUSTOM_START + 225,
5177   EL_CUSTOM_START + 226,
5178   EL_CUSTOM_START + 227,
5179
5180   EL_CUSTOM_START + 228,
5181   EL_CUSTOM_START + 229,
5182   EL_CUSTOM_START + 230,
5183   EL_CUSTOM_START + 231,
5184
5185   EL_CUSTOM_START + 232,
5186   EL_CUSTOM_START + 233,
5187   EL_CUSTOM_START + 234,
5188   EL_CUSTOM_START + 235,
5189
5190   EL_CUSTOM_START + 236,
5191   EL_CUSTOM_START + 237,
5192   EL_CUSTOM_START + 238,
5193   EL_CUSTOM_START + 239,
5194
5195   EL_CUSTOM_START + 240,
5196   EL_CUSTOM_START + 241,
5197   EL_CUSTOM_START + 242,
5198   EL_CUSTOM_START + 243,
5199
5200   EL_CUSTOM_START + 244,
5201   EL_CUSTOM_START + 245,
5202   EL_CUSTOM_START + 246,
5203   EL_CUSTOM_START + 247,
5204
5205   EL_CUSTOM_START + 248,
5206   EL_CUSTOM_START + 249,
5207   EL_CUSTOM_START + 250,
5208   EL_CUSTOM_START + 251,
5209
5210   EL_CUSTOM_START + 252,
5211   EL_CUSTOM_START + 253,
5212   EL_CUSTOM_START + 254,
5213   EL_CUSTOM_START + 255
5214 };
5215 static int *editor_hl_custom_ptr = editor_hl_custom;
5216 static int *editor_el_custom_ptr = editor_el_custom;
5217 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5218 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5219
5220 static int editor_hl_group[] =
5221 {
5222   EL_INTERNAL_CASCADE_GE_ACTIVE,
5223   EL_CHAR('G'),
5224   EL_CHAR('E'),
5225   EL_EMPTY,
5226 };
5227
5228 static int editor_el_group[] =
5229 {
5230   EL_GROUP_START + 0,
5231   EL_GROUP_START + 1,
5232   EL_GROUP_START + 2,
5233   EL_GROUP_START + 3,
5234
5235   EL_GROUP_START + 4,
5236   EL_GROUP_START + 5,
5237   EL_GROUP_START + 6,
5238   EL_GROUP_START + 7,
5239
5240   EL_GROUP_START + 8,
5241   EL_GROUP_START + 9,
5242   EL_GROUP_START + 10,
5243   EL_GROUP_START + 11,
5244
5245   EL_GROUP_START + 12,
5246   EL_GROUP_START + 13,
5247   EL_GROUP_START + 14,
5248   EL_GROUP_START + 15,
5249
5250   EL_GROUP_START + 16,
5251   EL_GROUP_START + 17,
5252   EL_GROUP_START + 18,
5253   EL_GROUP_START + 19,
5254
5255   EL_GROUP_START + 20,
5256   EL_GROUP_START + 21,
5257   EL_GROUP_START + 22,
5258   EL_GROUP_START + 23,
5259
5260   EL_GROUP_START + 24,
5261   EL_GROUP_START + 25,
5262   EL_GROUP_START + 26,
5263   EL_GROUP_START + 27,
5264
5265   EL_GROUP_START + 28,
5266   EL_GROUP_START + 29,
5267   EL_GROUP_START + 30,
5268   EL_GROUP_START + 31
5269 };
5270 static int *editor_hl_group_ptr = editor_hl_group;
5271 static int *editor_el_group_ptr = editor_el_group;
5272 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5273 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5274
5275 static int editor_hl_empty_space[] =
5276 {
5277   EL_INTERNAL_CASCADE_ES_ACTIVE,
5278   EL_CHAR('E'),
5279   EL_CHAR('S'),
5280   EL_EMPTY,
5281 };
5282
5283 static int editor_el_empty_space[] =
5284 {
5285   EL_EMPTY_SPACE_1,
5286   EL_EMPTY_SPACE_2,
5287   EL_EMPTY_SPACE_3,
5288   EL_EMPTY_SPACE_4,
5289
5290   EL_EMPTY_SPACE_5,
5291   EL_EMPTY_SPACE_6,
5292   EL_EMPTY_SPACE_7,
5293   EL_EMPTY_SPACE_8,
5294
5295   EL_EMPTY_SPACE_9,
5296   EL_EMPTY_SPACE_10,
5297   EL_EMPTY_SPACE_11,
5298   EL_EMPTY_SPACE_12,
5299
5300   EL_EMPTY_SPACE_13,
5301   EL_EMPTY_SPACE_14,
5302   EL_EMPTY_SPACE_15,
5303   EL_EMPTY_SPACE_16
5304 };
5305 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5306 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5307 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5308 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5309
5310 static int editor_hl_reference[] =
5311 {
5312   EL_INTERNAL_CASCADE_REF_ACTIVE,
5313   EL_CHAR('R'),
5314   EL_CHAR('E'),
5315   EL_CHAR('F')
5316 };
5317
5318 static int editor_el_reference[] =
5319 {
5320   EL_TRIGGER_PLAYER,
5321   EL_TRIGGER_ELEMENT,
5322   EL_TRIGGER_CE_VALUE,
5323   EL_TRIGGER_CE_SCORE,
5324
5325   EL_SELF,
5326   EL_ANY_ELEMENT,
5327   EL_CURRENT_CE_VALUE,
5328   EL_CURRENT_CE_SCORE,
5329
5330   EL_PREV_CE_8,
5331   EL_PREV_CE_7,
5332   EL_PREV_CE_6,
5333   EL_PREV_CE_5,
5334
5335   EL_PREV_CE_4,
5336   EL_PREV_CE_3,
5337   EL_PREV_CE_2,
5338   EL_PREV_CE_1,
5339
5340   EL_NEXT_CE_1,
5341   EL_NEXT_CE_2,
5342   EL_NEXT_CE_3,
5343   EL_NEXT_CE_4,
5344
5345   EL_NEXT_CE_5,
5346   EL_NEXT_CE_6,
5347   EL_NEXT_CE_7,
5348   EL_NEXT_CE_8,
5349 };
5350 static int *editor_hl_reference_ptr = editor_hl_reference;
5351 static int *editor_el_reference_ptr = editor_el_reference;
5352 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5353 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5354
5355 static int editor_hl_user_defined[] =
5356 {
5357   EL_INTERNAL_CASCADE_USER_ACTIVE,
5358   EL_CHAR('M'),
5359   EL_CHAR('Y'),
5360   EL_EMPTY,
5361 };
5362
5363 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5364 static int *editor_el_user_defined_ptr = NULL;
5365 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5366 static int num_editor_el_user_defined = 0;
5367
5368 static int editor_hl_dynamic[] =
5369 {
5370   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5371   EL_CHAR('U'),
5372   EL_CHAR('S'),
5373   EL_CHAR('E'),
5374 };
5375
5376 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5377 static int *editor_el_dynamic_ptr = NULL;
5378 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5379 static int num_editor_el_dynamic = 0;
5380
5381 static int editor_hl_empty[] = { EL_EMPTY };
5382 static int *editor_el_empty = NULL;     // dynamically allocated
5383
5384 static int *editor_hl_empty_ptr = editor_hl_empty;
5385 static int *editor_el_empty_ptr = NULL;
5386 static int num_editor_hl_empty = 0;
5387 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5388
5389 static boolean use_el_empty = FALSE;
5390
5391 static int *editor_elements = NULL;     // dynamically allocated
5392 static int num_editor_elements = 0;     // dynamically determined
5393
5394 static boolean setup_editor_cascade_never = FALSE;
5395
5396 static boolean setup_editor_el_players                  = TRUE;
5397 static boolean setup_editor_el_boulderdash              = TRUE;
5398 static boolean setup_editor_el_emerald_mine             = TRUE;
5399 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5400 static boolean setup_editor_el_more                     = TRUE;
5401 static boolean setup_editor_el_sokoban                  = TRUE;
5402 static boolean setup_editor_el_supaplex                 = TRUE;
5403 static boolean setup_editor_el_diamond_caves            = TRUE;
5404 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5405 static boolean setup_editor_el_mirror_magic             = TRUE;
5406 static boolean setup_editor_el_deflektor                = TRUE;
5407 static boolean setup_editor_el_chars                    = TRUE;
5408 static boolean setup_editor_el_steel_chars              = TRUE;
5409 static boolean setup_editor_el_custom                   = TRUE;
5410 static boolean setup_editor_el_user_defined             = TRUE;
5411 static boolean setup_editor_el_dynamic                  = TRUE;
5412
5413 static int editor_hl_unused[] = { EL_EMPTY };
5414 static int *editor_hl_unused_ptr = editor_hl_unused;
5415 static int num_editor_hl_unused = 0;
5416
5417 static struct
5418 {
5419   boolean *setup_value;
5420   boolean *setup_cascade_value;
5421
5422   int **headline_list;
5423   int *headline_list_size;
5424
5425   int **element_list;
5426   int *element_list_size;
5427
5428   boolean last_setup_value;
5429 }
5430 editor_elements_info[] =
5431 {
5432   {
5433     &setup_editor_el_players,
5434     &setup_editor_cascade_never,
5435     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5436     &editor_el_players_ptr,             &num_editor_el_players
5437   },
5438   {
5439     &setup_editor_el_boulderdash,
5440     &setup.editor_cascade.el_bd,
5441     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5442     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5443   },
5444   {
5445     &setup_editor_el_emerald_mine,
5446     &setup.editor_cascade.el_em,
5447     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5448     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5449   },
5450   {
5451     &setup_editor_el_emerald_mine_club,
5452     &setup.editor_cascade.el_emc,
5453     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5454     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5455   },
5456   {
5457     &setup_editor_el_more,
5458     &setup.editor_cascade.el_rnd,
5459     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5460     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5461   },
5462   {
5463     &setup_editor_el_sokoban,
5464     &setup.editor_cascade.el_sb,
5465     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5466     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5467   },
5468   {
5469     &setup_editor_el_supaplex,
5470     &setup.editor_cascade.el_sp,
5471     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5472     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5473   },
5474   {
5475     &setup_editor_el_diamond_caves,
5476     &setup.editor_cascade.el_dc,
5477     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5478     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5479   },
5480   {
5481     &setup_editor_el_dx_boulderdash,
5482     &setup.editor_cascade.el_dx,
5483     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5484     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5485   },
5486   {
5487     &setup_editor_el_mirror_magic,
5488     &setup.editor_cascade.el_mm,
5489     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5490     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5491   },
5492   {
5493     &setup_editor_el_deflektor,
5494     &setup.editor_cascade.el_df,
5495     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5496     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5497   },
5498   {
5499     &setup_editor_el_chars,
5500     &setup.editor_cascade.el_chars,
5501     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5502     &editor_el_chars_ptr,               &num_editor_el_chars
5503   },
5504   {
5505     &setup_editor_el_steel_chars,
5506     &setup.editor_cascade.el_steel_chars,
5507     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5508     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5509   },
5510   {
5511     &setup_editor_el_custom,
5512     &setup.editor_cascade.el_ce,
5513     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5514     &editor_el_custom_ptr,              &num_editor_el_custom
5515   },
5516   {
5517     &setup_editor_el_custom,
5518     &setup.editor_cascade.el_ge,
5519     &editor_hl_group_ptr,               &num_editor_hl_group,
5520     &editor_el_group_ptr,               &num_editor_el_group
5521   },
5522   {
5523     &setup_editor_el_custom,
5524     &setup.editor_cascade.el_es,
5525     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
5526     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
5527   },
5528   {
5529     &setup_editor_el_custom,
5530     &setup.editor_cascade.el_ref,
5531     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5532     &editor_el_reference_ptr,           &num_editor_el_reference
5533   },
5534   {
5535     &setup_editor_el_user_defined,
5536     &setup.editor_cascade.el_user,
5537     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5538     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5539   },
5540   {
5541     &setup_editor_el_dynamic,
5542     &setup.editor_cascade.el_dynamic,
5543     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5544     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5545   },
5546   {
5547     &use_el_empty,
5548     &use_el_empty,
5549     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5550     &editor_el_empty_ptr,               &num_editor_el_empty,
5551   },
5552   {
5553     NULL,
5554     NULL,
5555     NULL,                               NULL,
5556     NULL,                               NULL
5557   }
5558 };
5559
5560 static struct XY xy_directions[] =
5561 {
5562   { -1,  0 },
5563   { +1,  0 },
5564   {  0, -1 },
5565   {  0, +1 }
5566 };
5567
5568
5569 // ----------------------------------------------------------------------------
5570 // functions
5571 // ----------------------------------------------------------------------------
5572
5573 static int getMaxInfoTextLength(void)
5574 {
5575   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5576 }
5577
5578 static int getTextWidthForGadget(char *text)
5579 {
5580   if (text == NULL)
5581     return 0;
5582
5583   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5584 }
5585
5586 static int getTextWidthForDrawingArea(char *text)
5587 {
5588   if (text == NULL)
5589     return 0;
5590
5591   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5592 }
5593
5594 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5595 {
5596   return (gi->x + gi->width + getTextWidthForGadget(text));
5597 }
5598
5599 static char *getElementInfoText(int element)
5600 {
5601   char *info_text = NULL;
5602
5603   if (element < MAX_NUM_ELEMENTS)
5604   {
5605     if (strlen(element_info[element].description) > 0)
5606       info_text = element_info[element].description;
5607     else if (element_info[element].custom_description != NULL)
5608       info_text = element_info[element].custom_description;
5609     else if (element_info[element].editor_description != NULL)
5610       info_text = element_info[element].editor_description;
5611   }
5612
5613   if (info_text == NULL)
5614     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5615
5616   return info_text;
5617 }
5618
5619 static char *getElementDescriptionFilenameExt(char *basename)
5620 {
5621   char *elements_subdir = ELEMENTS_DIRECTORY;
5622   static char *elements_subdir2 = NULL;
5623   static char *filename = NULL;
5624
5625   if (elements_subdir2 == NULL)
5626     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5627
5628   checked_free(filename);
5629
5630   // 1st try: look for element description in current level set directory
5631   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5632   if (fileExists(filename))
5633     return filename;
5634
5635   free(filename);
5636
5637   // 2nd try: look for element description in the game's base directory
5638   filename = getPath3(options.docs_directory, elements_subdir, basename);
5639   if (fileExists(filename))
5640     return filename;
5641
5642   return NULL;
5643 }
5644
5645 static char *getElementDescriptionFilename(int element)
5646 {
5647   char basename[MAX_FILENAME_LEN];
5648   char *filename;
5649
5650   // 1st try: look for element description file for exactly this element
5651   sprintf(basename, "%s.txt", element_info[element].token_name);
5652   filename = getElementDescriptionFilenameExt(basename);
5653   if (filename != NULL)
5654     return filename;
5655
5656   // 2nd try: look for element description file for this element's class
5657   sprintf(basename, "%s.txt", element_info[element].class_name);
5658   filename = getElementDescriptionFilenameExt(basename);
5659   if (filename != NULL)
5660     return filename;
5661
5662   // 3rd try: look for generic fallback text file for any element
5663   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
5664   if (filename != NULL)
5665     return filename;
5666
5667   return NULL;
5668 }
5669
5670 static boolean suppressBorderElement(void)
5671 {
5672   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5673           lev_fieldx <= MAX_ED_FIELDX &&
5674           lev_fieldy <= MAX_ED_FIELDY);
5675 }
5676
5677 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5678 {
5679   boolean element_found[NUM_FILE_ELEMENTS];
5680   int i, x, y;
5681
5682   // initialize list of used elements to "not used"
5683   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5684     element_found[i] = FALSE;
5685
5686   // find all elements used in current level
5687   for (y = 0; y < lev_fieldy; y++)
5688     for (x = 0; x < lev_fieldx; x++)
5689       if (Tile[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5690         element_found[Tile[x][y]] = TRUE;
5691
5692   *num_elements = 0;
5693
5694   // count number of elements used in current level
5695   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5696     if (element_found[i])
5697       (*num_elements)++;
5698
5699   // add space for up to 3 more elements for padding that may be needed
5700   *num_elements += 3;
5701
5702   // free memory for old list of elements, if needed
5703   checked_free(*elements);
5704
5705   // allocate memory for new list of elements
5706   *elements = checked_malloc(*num_elements * sizeof(int));
5707
5708   *num_elements = 0;
5709
5710   // add all elements used in current level (non-custom/group elements)
5711   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5712     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5713       (*elements)[(*num_elements)++] = i;
5714
5715   // add all elements used in current level (custom/group elements)
5716   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5717     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5718       (*elements)[(*num_elements)++] = i;
5719
5720   while (*num_elements % 4)     // pad with empty elements, if needed
5721     (*elements)[(*num_elements)++] = EL_EMPTY;
5722 }
5723
5724 static void ReinitializeElementList_EnableSections(void)
5725 {
5726   // default: enable all element sections
5727
5728   setup_editor_el_players               = TRUE;
5729   setup_editor_el_boulderdash           = TRUE;
5730   setup_editor_el_emerald_mine          = TRUE;
5731   setup_editor_el_emerald_mine_club     = TRUE;
5732   setup_editor_el_more                  = TRUE;
5733   setup_editor_el_sokoban               = TRUE;
5734   setup_editor_el_supaplex              = TRUE;
5735   setup_editor_el_diamond_caves         = TRUE;
5736   setup_editor_el_dx_boulderdash        = TRUE;
5737   setup_editor_el_mirror_magic          = TRUE;
5738   setup_editor_el_deflektor             = TRUE;
5739   setup_editor_el_chars                 = TRUE;
5740   setup_editor_el_steel_chars           = TRUE;
5741
5742   setup_editor_el_custom                = TRUE;
5743   setup_editor_el_user_defined          = TRUE;
5744   setup_editor_el_dynamic               = TRUE;
5745
5746   // now disable all element sections not to be displayed
5747
5748   if (!setup.editor.el_classic)
5749   {
5750     setup_editor_el_players             = FALSE;
5751     setup_editor_el_boulderdash         = FALSE;
5752     setup_editor_el_emerald_mine        = FALSE;
5753     setup_editor_el_emerald_mine_club   = FALSE;
5754     setup_editor_el_more                = FALSE;
5755     setup_editor_el_sokoban             = FALSE;
5756     setup_editor_el_supaplex            = FALSE;
5757     setup_editor_el_diamond_caves       = FALSE;
5758     setup_editor_el_dx_boulderdash      = FALSE;
5759     setup_editor_el_mirror_magic        = FALSE;
5760     setup_editor_el_deflektor           = FALSE;
5761     setup_editor_el_chars               = FALSE;
5762     setup_editor_el_steel_chars         = FALSE;
5763   }
5764
5765   if (!setup.editor.el_custom)
5766   {
5767     setup_editor_el_custom              = FALSE;
5768   }
5769
5770   if (!setup.editor.el_user_defined)
5771   {
5772     setup_editor_el_user_defined        = FALSE;
5773   }
5774
5775   if (!setup.editor.el_dynamic)
5776   {
5777     setup_editor_el_dynamic             = FALSE;
5778   }
5779
5780   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5781   {
5782     setup_editor_el_mirror_magic        = FALSE;
5783     setup_editor_el_deflektor           = FALSE;
5784   }
5785   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5786   {
5787     setup_editor_el_boulderdash         = FALSE;
5788     setup_editor_el_more                = FALSE;
5789     setup_editor_el_sokoban             = FALSE;
5790     setup_editor_el_supaplex            = FALSE;
5791     setup_editor_el_diamond_caves       = FALSE;
5792     setup_editor_el_dx_boulderdash      = FALSE;
5793     setup_editor_el_mirror_magic        = FALSE;
5794     setup_editor_el_deflektor           = FALSE;
5795     setup_editor_el_steel_chars         = FALSE;
5796
5797     setup_editor_el_custom              = FALSE;
5798   }
5799   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5800   {
5801     setup_editor_el_players             = FALSE;
5802     setup_editor_el_boulderdash         = FALSE;
5803     setup_editor_el_emerald_mine        = FALSE;
5804     setup_editor_el_emerald_mine_club   = FALSE;
5805     setup_editor_el_more                = FALSE;
5806     setup_editor_el_sokoban             = FALSE;
5807     setup_editor_el_diamond_caves       = FALSE;
5808     setup_editor_el_dx_boulderdash      = FALSE;
5809     setup_editor_el_mirror_magic        = FALSE;
5810     setup_editor_el_deflektor           = FALSE;
5811     setup_editor_el_chars               = FALSE;
5812     setup_editor_el_steel_chars         = FALSE;
5813
5814     setup_editor_el_custom              = FALSE;
5815   }
5816   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5817   {
5818     setup_editor_el_players             = FALSE;
5819     setup_editor_el_boulderdash         = FALSE;
5820     setup_editor_el_emerald_mine        = FALSE;
5821     setup_editor_el_emerald_mine_club   = FALSE;
5822     setup_editor_el_more                = FALSE;
5823     setup_editor_el_sokoban             = FALSE;
5824     setup_editor_el_supaplex            = FALSE;
5825     setup_editor_el_diamond_caves       = FALSE;
5826     setup_editor_el_dx_boulderdash      = FALSE;
5827     setup_editor_el_steel_chars         = FALSE;
5828
5829     setup_editor_el_custom              = FALSE;
5830   }
5831 }
5832
5833 static void ReinitializeElementList(void)
5834 {
5835   static boolean initialization_needed = TRUE;
5836   int pos = 0;
5837   int i, j;
5838
5839   ReinitializeElementList_EnableSections();
5840
5841   if (initialization_needed)
5842   {
5843     LoadSetup_EditorCascade();          // load last editor cascade state
5844
5845     // initialize editor cascade element from saved cascade state
5846     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5847     {
5848       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5849       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5850
5851       if (IS_EDITOR_CASCADE(*cascade_element))
5852         *cascade_element =
5853           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5854            EL_CASCADE_INACTIVE(*cascade_element));
5855     }
5856
5857     initialization_needed = FALSE;
5858   }
5859
5860   checked_free(editor_elements);
5861
5862   // reload optional user defined element list for each invocation of editor
5863   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5864                                    &num_editor_el_user_defined);
5865
5866   // initialize dynamic level element list for each invocation of editor
5867   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5868                                &num_editor_el_dynamic);
5869
5870   // initialize list of empty elements (used for padding, if needed)
5871   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5872     editor_el_empty[i] = EL_EMPTY;
5873
5874   // do some sanity checks for each element from element list
5875   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5876   {
5877     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5878     {
5879       int element = (*editor_elements_info[i].element_list)[j];
5880
5881       if (element >= NUM_FILE_ELEMENTS)
5882         Warn("editor element %d is runtime element", element);
5883
5884       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5885         Warn("no element description text for element %d", element);
5886     }
5887   }
5888
5889   num_editor_elements = 0;
5890   use_el_empty = FALSE;
5891
5892   // determine size of element list
5893   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5894   {
5895     boolean found_inactive_cascade = FALSE;
5896
5897     if (*editor_elements_info[i].setup_value)
5898     {
5899       if (setup.editor.el_headlines)
5900       {
5901         // required for correct padding of palette headline buttons
5902         if (*editor_elements_info[i].headline_list_size > 0)
5903           num_editor_elements += ED_ELEMENTLIST_COLS;
5904
5905         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5906         {
5907           int element = (*editor_elements_info[i].headline_list)[j];
5908
5909           if (IS_EDITOR_CASCADE_INACTIVE(element))
5910             found_inactive_cascade = TRUE;
5911         }
5912       }
5913
5914       if (found_inactive_cascade)
5915         continue;
5916
5917       // required for correct padding of palette element buttons
5918       int element_list_size = *editor_elements_info[i].element_list_size;
5919       int element_rows =
5920         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5921       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5922
5923       num_editor_elements += element_buttons;
5924     }
5925   }
5926
5927   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5928   {
5929     // offer at least as many elements as element buttons exist
5930     use_el_empty = TRUE;
5931     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5932
5933     num_editor_elements += num_editor_el_empty;
5934   }
5935   else
5936   {
5937     num_editor_el_empty = 0;
5938   }
5939
5940   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5941
5942   // fill element list
5943   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5944   {
5945     boolean found_inactive_cascade = FALSE;
5946
5947     if (*editor_elements_info[i].setup_value)
5948     {
5949       if (setup.editor.el_headlines)
5950       {
5951         // required for correct padding of palette headline buttons
5952         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5953                              ED_ELEMENTLIST_COLS : 0);
5954
5955         for (j = 0; j < headline_size; j++)
5956         {
5957           // use empty elements for padding of palette headline buttons
5958           int element = (j < *editor_elements_info[i].headline_list_size ?
5959                          (*editor_elements_info[i].headline_list)[j] :
5960                          editor_el_empty[0]);
5961
5962           editor_elements[pos++] = element;
5963
5964           if (IS_EDITOR_CASCADE_INACTIVE(element))
5965             found_inactive_cascade = TRUE;
5966         }
5967       }
5968
5969       if (found_inactive_cascade)
5970         continue;
5971
5972       // required for correct padding of palette element buttons
5973       int element_list_size = *editor_elements_info[i].element_list_size;
5974       int element_rows =
5975         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5976       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5977
5978       // copy all elements from element list
5979       for (j = 0; j < element_list_size; j++)
5980         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5981
5982       // use empty elements for padding of palette element buttons
5983       for (j = 0; j < element_buttons - element_list_size; j++)
5984         editor_elements[pos++] = editor_el_empty[0];
5985     }
5986   }
5987
5988   // (this function is also called before editor gadgets are initialized!)
5989   AdjustElementListScrollbar();
5990 }
5991
5992 void PrintEditorElementList(void)
5993 {
5994   boolean *stop = &setup_editor_el_user_defined;
5995   int i, j;
5996
5997   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5998   {
5999     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6000
6001     if (IS_EDITOR_CASCADE(cascade_element))
6002     {
6003       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6004       char *headline = element_info[cascade_element_show].editor_description;
6005
6006       PrintLineWithPrefix("# ", "-", 77);
6007       Print("# %s\n", headline);
6008       PrintLineWithPrefix("# ", "-", 77);
6009     }
6010
6011     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6012     {
6013       int element = (*editor_elements_info[i].headline_list)[j];
6014
6015       if (IS_EDITOR_CASCADE(element))
6016         element = EL_CHAR_MINUS;
6017
6018       Print("# %s\n", element_info[element].token_name);
6019     }
6020
6021     if (j > 0)
6022       Print("#\n");
6023
6024     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6025     {
6026       int element = (*editor_elements_info[i].element_list)[j];
6027
6028       Print("# %s\n", element_info[element].token_name);
6029     }
6030
6031     if (j > 0)
6032       Print("#\n");
6033   }
6034 }
6035
6036 static void ReinitializeElementListButtons(void)
6037 {
6038   static boolean last_setup_value_headlines = FALSE;
6039   static boolean initialization_needed = TRUE;
6040   int i;
6041
6042   if (!initialization_needed)   // check if editor element setup has changed
6043   {
6044     if (last_setup_value_headlines != setup.editor.el_headlines)
6045       initialization_needed = TRUE;
6046
6047     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6048       if (editor_elements_info[i].last_setup_value !=
6049           *editor_elements_info[i].setup_value)
6050         initialization_needed = TRUE;
6051   }
6052
6053   if (!initialization_needed)
6054     return;
6055
6056   FreeLevelEditorGadgets();
6057   CreateLevelEditorGadgets();
6058
6059   // store current setup values for next invocation of this function
6060   last_setup_value_headlines = setup.editor.el_headlines;
6061   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6062     editor_elements_info[i].last_setup_value =
6063       *editor_elements_info[i].setup_value;
6064
6065   initialization_needed = FALSE;
6066 }
6067
6068 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6069                               boolean input)
6070 {
6071   int border_graphic =
6072     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6073   struct GraphicInfo *g = &graphic_info[border_graphic];
6074   Bitmap *src_bitmap = g->bitmap;
6075   int src_x = g->src_x;
6076   int src_y = g->src_y;
6077   int border_size = g->border_size;
6078   int border_xpos = g->width  - border_size;
6079   int border_ypos = g->height - border_size;
6080   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6081   int i;
6082
6083   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6084              border_size, border_size,
6085              dest_x - border_size, dest_y - border_size);
6086   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6087              border_size, border_size,
6088              dest_x + width, dest_y - border_size);
6089   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6090              border_size, border_size,
6091              dest_x - border_size, dest_y + height);
6092   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6093              border_size, border_size,
6094              dest_x + width, dest_y + height);
6095
6096   for (i = 0; i < width / tilesize; i++)
6097   {
6098     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6099                tilesize, border_size,
6100                dest_x + i * tilesize, dest_y - border_size);
6101     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6102                tilesize, border_size,
6103                dest_x + i * tilesize, dest_y + height);
6104   }
6105
6106   for (i = 0; i < height / tilesize; i++)
6107   {
6108     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6109                border_size, tilesize,
6110                dest_x - border_size, dest_y + i * tilesize);
6111     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6112                border_size, tilesize,
6113                dest_x + width, dest_y + i * tilesize);
6114   }
6115
6116   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6117 }
6118
6119 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6120 {
6121   int xsize_tile = MAX(ed_tilesize, xsize);
6122   int ysize_tile = MAX(ed_tilesize, ysize);
6123   int xsize_full = xsize + 1;
6124   int ysize_full = ysize + 1;
6125   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6126   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6127   Pixel line_color = getTabulatorBarColor();
6128
6129   if (line_color == BLACK_PIXEL)                // black => transparent
6130     return;
6131
6132   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6133   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6134   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6135 }
6136
6137 static void DrawEditorLevelBorderLinesIfNeeded(void)
6138 {
6139   int xsize = lev_fieldx * ed_tilesize;
6140   int ysize = lev_fieldy * ed_tilesize;
6141   int line_size = getTabulatorBarHeight();
6142
6143   if (!suppressBorderElement())
6144     return;
6145
6146   // draw little border line around editable level playfield
6147
6148   if (xsize < SXSIZE)
6149     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6150
6151   if (ysize < SYSIZE)
6152     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6153
6154   if (xsize < SXSIZE && ysize < SYSIZE)
6155     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6156 }
6157
6158 static void DrawEditorElement(int x, int y, int element)
6159 {
6160   DrawSizedElement(x, y, element, ed_tilesize);
6161 }
6162
6163 static void DrawEditorElementThruMask(int x, int y, int element)
6164 {
6165   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6166 }
6167
6168 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6169 {
6170   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6171 }
6172
6173 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6174 {
6175   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6176   DrawEditorLevelBorderLinesIfNeeded();
6177 }
6178
6179 static void DrawDrawingArea(int id)
6180 {
6181   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6182   int x, y;
6183
6184   int *value = drawingarea_info[id].value;
6185   int area_xsize = drawingarea_info[id].area_xsize;
6186   int area_ysize = drawingarea_info[id].area_ysize;
6187   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6188
6189   for (x = 0; x < area_xsize; x++)
6190     for (y = 0; y < area_ysize; y++)
6191       DrawSizedGraphicExt(drawto,
6192                           gi->x + x * tilesize,
6193                           gi->y + y * tilesize,
6194                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6195 }
6196
6197 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6198 {
6199   int x, y;
6200   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6201   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6202
6203   BlitBitmap(drawto, drawto,
6204              SX + (dx == -1 ? ed_tilesize : 0),
6205              SY + (dy == -1 ? ed_tilesize : 0),
6206              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6207              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6208              SX + (dx == +1 ? ed_tilesize : 0),
6209              SY + (dy == +1 ? ed_tilesize : 0));
6210
6211   if (dx)
6212   {
6213     x = (dx == 1 ? 0 : ed_fieldx - 1);
6214     for (y = 0; y < ed_fieldy; y++)
6215       DrawEditorElementOrWall(x, y, from_x, from_y);
6216   }
6217   else if (dy)
6218   {
6219     y = (dy == 1 ? 0 : ed_fieldy - 1);
6220     for (x = 0; x < ed_fieldx; x++)
6221       DrawEditorElementOrWall(x, y, from_x, from_y);
6222   }
6223
6224   redraw_mask |= REDRAW_FIELD;
6225   BackToFront();
6226 }
6227
6228 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6229                                    int *x, int *y)
6230 {
6231   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6232 }
6233
6234 static void CreateControlButtons(void)
6235 {
6236   struct GadgetInfo *gi;
6237   int i;
6238
6239   // create toolbox buttons
6240   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6241   {
6242     int id = controlbutton_info[i].gadget_id;
6243     int type = controlbutton_info[i].gadget_type;
6244     int graphic = controlbutton_info[i].graphic;
6245     struct XYTileSize *pos = controlbutton_info[i].pos;
6246     struct GraphicInfo *gd = &graphic_info[graphic];
6247     Bitmap *deco_bitmap = NULL;
6248     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6249     int tile_size = 0, deco_shift = 0;
6250     boolean deco_masked = FALSE;
6251     int gd_x1 = gd->src_x;
6252     int gd_y1 = gd->src_y;
6253     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6254     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6255     int gd_x1a = gd->src_x + gd->active_xoffset;
6256     int gd_y1a = gd->src_y + gd->active_yoffset;
6257     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6258     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6259     int x = pos->x;
6260     int y = pos->y;
6261     unsigned int event_mask;
6262     int radio_button_nr = RADIO_NR_NONE;
6263     boolean checked = FALSE;
6264
6265     if (type == GD_TYPE_RADIO_BUTTON)
6266     {
6267       event_mask = GD_EVENT_PRESSED;
6268       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6269
6270       if (id == drawing_function)
6271         checked = TRUE;
6272     }
6273     else
6274     {
6275       if (id == GADGET_ID_WRAP_LEFT ||
6276           id == GADGET_ID_WRAP_RIGHT ||
6277           id == GADGET_ID_WRAP_UP ||
6278           id == GADGET_ID_WRAP_DOWN)
6279         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6280       else
6281         event_mask = GD_EVENT_RELEASED;
6282     }
6283
6284     if (id == GADGET_ID_PROPERTIES ||
6285         id == GADGET_ID_PALETTE)
6286     {
6287       x += DX;
6288       y += DY;
6289     }
6290     else if (id == GADGET_ID_ELEMENT_LEFT ||
6291              id == GADGET_ID_ELEMENT_MIDDLE ||
6292              id == GADGET_ID_ELEMENT_RIGHT)
6293     {
6294       x += DX;
6295       y += DY;
6296
6297       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6298                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6299                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6300
6301       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6302                                    editor.button.element_left.tile_size :
6303                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6304                                    editor.button.element_middle.tile_size :
6305                                    id == GADGET_ID_ELEMENT_RIGHT ?
6306                                    editor.button.element_right.tile_size : 0);
6307
6308       // make sure that decoration does not overlap gadget border
6309       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6310
6311       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6312
6313       deco_xpos = (gd->width  - tile_size) / 2;
6314       deco_ypos = (gd->height - tile_size) / 2;
6315       deco_shift = 1;
6316       deco_masked = gd->draw_masked;
6317     }
6318     else
6319     {
6320       x += EX;
6321       y += EY;
6322     }
6323
6324     gi = CreateGadget(GDI_CUSTOM_ID, id,
6325                       GDI_CUSTOM_TYPE_ID, i,
6326                       GDI_IMAGE_ID, graphic,
6327                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6328                       GDI_X, x,
6329                       GDI_Y, y,
6330                       GDI_WIDTH, gd->width,
6331                       GDI_HEIGHT, gd->height,
6332                       GDI_TYPE, type,
6333                       GDI_STATE, GD_BUTTON_UNPRESSED,
6334                       GDI_RADIO_NR, radio_button_nr,
6335                       GDI_CHECKED, checked,
6336                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6337                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6338                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6339                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6340                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6341                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6342                       GDI_DECORATION_SIZE, tile_size, tile_size,
6343                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6344                       GDI_DECORATION_MASKED, deco_masked,
6345                       GDI_EVENT_MASK, event_mask,
6346                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6347                       GDI_CALLBACK_ACTION, HandleControlButtons,
6348                       GDI_END);
6349
6350     if (gi == NULL)
6351       Fail("cannot create gadget");
6352
6353     level_editor_gadget[id] = gi;
6354   }
6355
6356   // these values are not constant, but can change at runtime
6357   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6358   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6359   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6360   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6361   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6362   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6363   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6364   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6365   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6366   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6367   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6368   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6369
6370   // create buttons for scrolling of drawing area and element list
6371   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6372   {
6373     int id = scrollbutton_info[i].gadget_id;
6374     int graphic = scrollbutton_info[i].graphic;
6375     struct GraphicInfo *gd = &graphic_info[graphic];
6376     Bitmap *gd_bitmap = gd->bitmap;
6377     int gd_x1 = gd->src_x;
6378     int gd_y1 = gd->src_y;
6379     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6380     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6381     int width  = gd->width;
6382     int height = gd->height;
6383     int x = scrollbutton_pos[i].x;
6384     int y = scrollbutton_pos[i].y;
6385     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6386
6387     if (id == GADGET_ID_SCROLL_LIST_UP ||
6388         id == GADGET_ID_SCROLL_LIST_DOWN)
6389     {
6390       x += PX;
6391       y += PY;
6392     }
6393     else
6394     {
6395       x += SX;
6396       y += SY;
6397     }
6398
6399     gi = CreateGadget(GDI_CUSTOM_ID, id,
6400                       GDI_CUSTOM_TYPE_ID, i,
6401                       GDI_IMAGE_ID, graphic,
6402                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6403                       GDI_X, x,
6404                       GDI_Y, y,
6405                       GDI_WIDTH, width,
6406                       GDI_HEIGHT, height,
6407                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6408                       GDI_STATE, GD_BUTTON_UNPRESSED,
6409                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6410                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6411                       GDI_EVENT_MASK, event_mask,
6412                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6413                       GDI_CALLBACK_ACTION, HandleControlButtons,
6414                       GDI_END);
6415
6416     if (gi == NULL)
6417       Fail("cannot create gadget");
6418
6419     level_editor_gadget[id] = gi;
6420   }
6421
6422   // create buttons for element list
6423   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6424   {
6425     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6426     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6427     struct GraphicInfo *gd = &graphic_info[graphic];
6428     Bitmap *gd_bitmap = gd->bitmap;
6429     Bitmap *deco_bitmap;
6430     int deco_x, deco_y, deco_xpos, deco_ypos;
6431     int gd_x1 = gd->src_x;
6432     int gd_y1 = gd->src_y;
6433     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6434     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6435     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6436     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6437     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6438     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6439     int element = editor_elements[i];
6440     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6441     unsigned int event_mask = GD_EVENT_RELEASED;
6442
6443     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6444
6445     deco_xpos = (gd->width  - tile_size) / 2;
6446     deco_ypos = (gd->height - tile_size) / 2;
6447
6448     gi = CreateGadget(GDI_CUSTOM_ID, id,
6449                       GDI_CUSTOM_TYPE_ID, i,
6450                       GDI_IMAGE_ID, graphic,
6451                       GDI_INFO_TEXT, getElementInfoText(element),
6452                       GDI_X, x,
6453                       GDI_Y, y,
6454                       GDI_WIDTH, gd->width,
6455                       GDI_HEIGHT, gd->height,
6456                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6457                       GDI_STATE, GD_BUTTON_UNPRESSED,
6458                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6459                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6460                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6461                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6462                       GDI_DECORATION_SIZE, tile_size, tile_size,
6463                       GDI_DECORATION_SHIFTING, 1, 1,
6464                       GDI_EVENT_MASK, event_mask,
6465                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6466                       GDI_CALLBACK_ACTION, HandleControlButtons,
6467                       GDI_END);
6468
6469     if (gi == NULL)
6470       Fail("cannot create gadget");
6471
6472     level_editor_gadget[id] = gi;
6473   }
6474 }
6475
6476 static void CreateCounterButtons(void)
6477 {
6478   int max_infotext_len = getMaxInfoTextLength();
6479   int i;
6480
6481   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6482   {
6483     int j;
6484     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6485     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6486
6487     // determine horizontal position to the right of specified gadget
6488     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6489       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6490            ED_GADGET_TEXT_DISTANCE);
6491
6492     // determine horizontal offset for leading text
6493     if (counterbutton_info[i].text_left != NULL)
6494       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6495
6496     for (j = 0; j < 2; j++)
6497     {
6498       struct GadgetInfo *gi;
6499       int id = (j == 0 ?
6500                 counterbutton_info[i].gadget_id_down :
6501                 counterbutton_info[i].gadget_id_up);
6502       int graphic;
6503       struct GraphicInfo *gd;
6504       int gd_x1, gd_x2, gd_y1, gd_y2;
6505       unsigned int event_mask;
6506       char infotext[max_infotext_len + 1];
6507
6508       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6509
6510       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6511       {
6512         graphic = (j == 0 ?
6513                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6514                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6515
6516         event_mask |= GD_EVENT_RELEASED;
6517
6518         if (j == 0)
6519         {
6520           x = DX + editor.button.prev_level.x;
6521           y = DY + editor.button.prev_level.y;
6522         }
6523         else
6524         {
6525           x = DX + editor.button.next_level.x;
6526           y = DY + editor.button.next_level.y;
6527         }
6528       }
6529       else
6530       {
6531         graphic = (j == 0 ?
6532                    IMG_EDITOR_COUNTER_DOWN :
6533                    IMG_EDITOR_COUNTER_UP);
6534       }
6535
6536       gd = &graphic_info[graphic];
6537
6538       gd_x1 = gd->src_x;
6539       gd_y1 = gd->src_y;
6540       gd_x2 = gd->src_x + gd->pressed_xoffset;
6541       gd_y2 = gd->src_y + gd->pressed_yoffset;
6542
6543       sprintf(infotext, "%s counter value by 1, 5 or 10",
6544               (j == 0 ? "decrease" : "increase"));
6545
6546       gi = CreateGadget(GDI_CUSTOM_ID, id,
6547                         GDI_CUSTOM_TYPE_ID, i,
6548                         GDI_IMAGE_ID, graphic,
6549                         GDI_INFO_TEXT, infotext,
6550                         GDI_X, x,
6551                         GDI_Y, y,
6552                         GDI_WIDTH, gd->width,
6553                         GDI_HEIGHT, gd->height,
6554                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6555                         GDI_STATE, GD_BUTTON_UNPRESSED,
6556                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6557                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6558                         GDI_EVENT_MASK, event_mask,
6559                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6560                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6561                         GDI_END);
6562
6563       if (gi == NULL)
6564         Fail("cannot create gadget");
6565
6566       level_editor_gadget[id] = gi;
6567       right_gadget_border[id] =
6568         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6569
6570       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6571
6572       if (j == 0)
6573       {
6574         int font_type = FONT_INPUT_1;
6575         int font_type_active = FONT_INPUT_1_ACTIVE;
6576
6577         id = counterbutton_info[i].gadget_id_text;
6578
6579         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6580
6581         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6582         {
6583           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6584
6585           font_type = FONT_LEVEL_NUMBER;
6586           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6587
6588           x = DX + editor.input.level_number.x;
6589           y = DY + editor.input.level_number.y;
6590         }
6591         else
6592         {
6593           graphic = IMG_EDITOR_COUNTER_INPUT;
6594         }
6595
6596         gd = &graphic_info[graphic];
6597
6598         gd_x1 = gd->src_x;
6599         gd_y1 = gd->src_y;
6600         gd_x2 = gd->src_x + gd->active_xoffset;
6601         gd_y2 = gd->src_y + gd->active_yoffset;
6602
6603         gi = CreateGadget(GDI_CUSTOM_ID, id,
6604                           GDI_CUSTOM_TYPE_ID, i,
6605                           GDI_IMAGE_ID, graphic,
6606                           GDI_INFO_TEXT, "enter counter value",
6607                           GDI_X, x,
6608                           GDI_Y, y,
6609                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6610                           GDI_NUMBER_VALUE, 0,
6611                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6612                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6613                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6614                           GDI_TEXT_FONT, font_type,
6615                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6616                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6617                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6618                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6619                           GDI_DESIGN_WIDTH, gd->width,
6620                           GDI_EVENT_MASK, event_mask,
6621                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6622                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6623                           GDI_END);
6624
6625         if (gi == NULL)
6626           Fail("cannot create gadget");
6627
6628         level_editor_gadget[id] = gi;
6629         right_gadget_border[id] =
6630           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6631
6632         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6633       }
6634     }
6635   }
6636 }
6637
6638 static void CreateDrawingAreas(void)
6639 {
6640   int i;
6641
6642   // these values are not constant, but can change at runtime
6643   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6644   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6645
6646   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6647   {
6648     struct GadgetInfo *gi;
6649     unsigned int event_mask;
6650     int id = drawingarea_info[i].gadget_id;
6651     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6652     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6653     int area_xsize = drawingarea_info[i].area_xsize;
6654     int area_ysize = drawingarea_info[i].area_ysize;
6655     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6656                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6657
6658     event_mask =
6659       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6660       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6661
6662     // determine horizontal position to the right of specified gadget
6663     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6664       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6665            ED_DRAWINGAREA_TEXT_DISTANCE);
6666
6667     // determine horizontal offset for leading text
6668     if (drawingarea_info[i].text_left != NULL)
6669       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6670
6671     gi = CreateGadget(GDI_CUSTOM_ID, id,
6672                       GDI_CUSTOM_TYPE_ID, i,
6673                       GDI_X, x,
6674                       GDI_Y, y,
6675                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6676                       GDI_AREA_SIZE, area_xsize, area_ysize,
6677                       GDI_ITEM_SIZE, item_size, item_size,
6678                       GDI_EVENT_MASK, event_mask,
6679                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6680                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6681                       GDI_END);
6682
6683     if (gi == NULL)
6684       Fail("cannot create gadget");
6685
6686     level_editor_gadget[id] = gi;
6687     right_gadget_border[id] =
6688       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6689   }
6690 }
6691
6692 static void CreateTextInputGadgets(void)
6693 {
6694   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6695   int max_infotext_len = getMaxInfoTextLength();
6696   int i;
6697
6698   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6699   {
6700     int gd_x1 = gd->src_x;
6701     int gd_y1 = gd->src_y;
6702     int gd_x2 = gd->src_x + gd->active_xoffset;
6703     int gd_y2 = gd->src_y + gd->active_yoffset;
6704     struct GadgetInfo *gi;
6705     unsigned int event_mask;
6706     char infotext[MAX_OUTPUT_LINESIZE + 1];
6707     int id = textinput_info[i].gadget_id;
6708     int x, y;
6709
6710     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6711     {
6712       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6713       int border_size = gd->border_size;
6714       int font_nr = FONT_INPUT_1;
6715       int font_height = getFontHeight(font_nr);
6716       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6717       int yoffset = element_border + (TILEY - font_height) / 2;
6718
6719       x = (editor.settings.element_name.x != -1 ?
6720            editor.settings.element_name.x :
6721            editor.settings.element_graphic.x + xoffset) - border_size;
6722       y = (editor.settings.element_name.y != -1 ?
6723            editor.settings.element_name.y :
6724            editor.settings.element_graphic.y + yoffset) - border_size;
6725     }
6726     else
6727     {
6728       x = ED_SETTINGS_X(textinput_info[i].x);
6729       y = ED_SETTINGS_Y(textinput_info[i].y);
6730     }
6731
6732     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6733
6734     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6735     infotext[max_infotext_len] = '\0';
6736
6737     gi = CreateGadget(GDI_CUSTOM_ID, id,
6738                       GDI_CUSTOM_TYPE_ID, i,
6739                       GDI_INFO_TEXT, infotext,
6740                       GDI_X, SX + x,
6741                       GDI_Y, SY + y,
6742                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6743                       GDI_TEXT_VALUE, textinput_info[i].value,
6744                       GDI_TEXT_SIZE, textinput_info[i].size,
6745                       GDI_TEXT_FONT, FONT_INPUT_1,
6746                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6747                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6748                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6749                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6750                       GDI_DESIGN_WIDTH, gd->width,
6751                       GDI_EVENT_MASK, event_mask,
6752                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6753                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6754                       GDI_END);
6755
6756     if (gi == NULL)
6757       Fail("cannot create gadget");
6758
6759     level_editor_gadget[id] = gi;
6760   }
6761 }
6762
6763 static void CreateTextAreaGadgets(void)
6764 {
6765   int max_infotext_len = getMaxInfoTextLength();
6766   int i;
6767
6768   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6769   {
6770     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6771     int gd_x1 = gd->src_x;
6772     int gd_y1 = gd->src_y;
6773     int gd_x2 = gd->src_x + gd->active_xoffset;
6774     int gd_y2 = gd->src_y + gd->active_yoffset;
6775     struct GadgetInfo *gi;
6776     unsigned int event_mask;
6777     char infotext[MAX_OUTPUT_LINESIZE + 1];
6778     int id = textarea_info[i].gadget_id;
6779     int area_xsize = textarea_info[i].xsize;
6780     int area_ysize = textarea_info[i].ysize;
6781
6782     event_mask = GD_EVENT_TEXT_LEAVING;
6783
6784     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6785     infotext[max_infotext_len] = '\0';
6786
6787     gi = CreateGadget(GDI_CUSTOM_ID, id,
6788                       GDI_CUSTOM_TYPE_ID, i,
6789                       GDI_INFO_TEXT, infotext,
6790                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6791                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6792                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6793                       GDI_AREA_SIZE, area_xsize, area_ysize,
6794                       GDI_TEXT_FONT, FONT_INPUT_1,
6795                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6796                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6797                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6798                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6799                       GDI_DESIGN_WIDTH, gd->width,
6800                       GDI_EVENT_MASK, event_mask,
6801                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6802                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6803                       GDI_END);
6804
6805     if (gi == NULL)
6806       Fail("cannot create gadget");
6807
6808     level_editor_gadget[id] = gi;
6809   }
6810 }
6811
6812 static void CreateSelectboxGadgets(void)
6813 {
6814   int max_infotext_len = getMaxInfoTextLength();
6815   int i, j;
6816
6817   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6818   {
6819     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6820     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6821     int gd_x1 = gd->src_x;
6822     int gd_y1 = gd->src_y;
6823     int gd_x2 = gd->src_x + gd->active_xoffset;
6824     int gd_y2 = gd->src_y + gd->active_yoffset;
6825     int selectbox_button_xsize = gd2->width;
6826     struct GadgetInfo *gi;
6827     unsigned int event_mask;
6828     char infotext[MAX_OUTPUT_LINESIZE + 1];
6829     int id = selectbox_info[i].gadget_id;
6830     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6831     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6832
6833     if (selectbox_info[i].size == -1)   // dynamically determine size
6834     {
6835       // (we cannot use -1 for uninitialized values if we directly compare
6836       // with results from strlen(), because the '<' and '>' operation will
6837       // implicitely cast -1 to an unsigned integer value!)
6838       selectbox_info[i].size = 0;
6839
6840       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6841         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6842           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6843
6844       selectbox_info[i].size++;         // add one character empty space
6845     }
6846
6847     event_mask = GD_EVENT_RELEASED |
6848       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6849
6850     // determine horizontal position to the right of specified gadget
6851     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6852       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6853            ED_GADGET_TEXT_DISTANCE);
6854
6855     // determine horizontal offset for leading text
6856     if (selectbox_info[i].text_left != NULL)
6857       x += getTextWidthForGadget(selectbox_info[i].text_left);
6858
6859     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6860     infotext[max_infotext_len] = '\0';
6861
6862     gi = CreateGadget(GDI_CUSTOM_ID, id,
6863                       GDI_CUSTOM_TYPE_ID, i,
6864                       GDI_INFO_TEXT, infotext,
6865                       GDI_X, x,
6866                       GDI_Y, y,
6867                       GDI_TYPE, GD_TYPE_SELECTBOX,
6868                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6869                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6870                       GDI_TEXT_SIZE, selectbox_info[i].size,
6871                       GDI_TEXT_FONT, FONT_INPUT_1,
6872                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6873                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6874                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6875                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6876                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6877                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6878                       GDI_DESIGN_WIDTH, gd->width,
6879                       GDI_EVENT_MASK, event_mask,
6880                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6881                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6882                       GDI_END);
6883
6884     if (gi == NULL)
6885       Fail("cannot create gadget");
6886
6887     level_editor_gadget[id] = gi;
6888     right_gadget_border[id] =
6889       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6890   }
6891 }
6892
6893 static void CreateTextbuttonGadgets(void)
6894 {
6895   int max_infotext_len = getMaxInfoTextLength();
6896   int i;
6897
6898   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6899   {
6900     int id = textbutton_info[i].gadget_id;
6901     int is_tab_button =
6902       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6903        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6904     int graphic =
6905       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6906     int gadget_distance =
6907       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6908     struct GraphicInfo *gd = &graphic_info[graphic];
6909     int gd_x1 = gd->src_x;
6910     int gd_y1 = gd->src_y;
6911     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6912     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6913     int gd_x1a = gd->src_x + gd->active_xoffset;
6914     int gd_y1a = gd->src_y + gd->active_yoffset;
6915     int border_xsize = gd->border_size + gd->draw_xoffset;
6916     int border_ysize = gd->border_size;
6917     struct GadgetInfo *gi;
6918     unsigned int event_mask;
6919     char infotext[MAX_OUTPUT_LINESIZE + 1];
6920     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6921     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6922
6923     if (textbutton_info[i].size == -1)  // dynamically determine size
6924       textbutton_info[i].size = strlen(textbutton_info[i].text);
6925
6926     event_mask = GD_EVENT_RELEASED;
6927
6928     sprintf(infotext, "%s", textbutton_info[i].infotext);
6929     infotext[max_infotext_len] = '\0';
6930
6931     // determine horizontal position to the right of specified gadget
6932     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6933     {
6934       int gadget_id_align = textbutton_info[i].gadget_id_align;
6935
6936       x = right_gadget_border[gadget_id_align] + gadget_distance;
6937
6938       if (textbutton_info[i].y == -1)
6939         y = level_editor_gadget[gadget_id_align]->y;
6940     }
6941
6942     // determine horizontal offset for leading text
6943     if (textbutton_info[i].text_left != NULL)
6944       x += getTextWidthForGadget(textbutton_info[i].text_left);
6945
6946     gi = CreateGadget(GDI_CUSTOM_ID, id,
6947                       GDI_CUSTOM_TYPE_ID, i,
6948                       GDI_IMAGE_ID, graphic,
6949                       GDI_INFO_TEXT, infotext,
6950                       GDI_X, x,
6951                       GDI_Y, y,
6952                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6953                       GDI_TEXT_VALUE, textbutton_info[i].text,
6954                       GDI_TEXT_SIZE, textbutton_info[i].size,
6955                       GDI_TEXT_FONT, FONT_INPUT_2,
6956                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6957                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6958                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6959                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6960                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6961                       GDI_DESIGN_WIDTH, gd->width,
6962                       GDI_DECORATION_SHIFTING, 1, 1,
6963                       GDI_EVENT_MASK, event_mask,
6964                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6965                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6966                       GDI_END);
6967
6968     if (gi == NULL)
6969       Fail("cannot create gadget");
6970
6971     level_editor_gadget[id] = gi;
6972     right_gadget_border[id] =
6973       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6974   }
6975 }
6976
6977 static void CreateGraphicbuttonGadgets(void)
6978 {
6979   struct GadgetInfo *gi;
6980   unsigned int event_mask;
6981   int i;
6982
6983   // create buttons for scrolling of drawing area and element list
6984   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6985   {
6986     int id = graphicbutton_info[i].gadget_id;
6987     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6988     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6989     int graphic = graphicbutton_info[i].graphic;
6990     struct GraphicInfo *gd = &graphic_info[graphic];
6991     int gd_x1 = gd->src_x;
6992     int gd_y1 = gd->src_y;
6993     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6994     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6995
6996     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6997
6998     // determine horizontal position to the right of specified gadget
6999     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7000       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7001            ED_GADGET_TEXT_DISTANCE);
7002
7003     // determine horizontal offset for leading text
7004     if (graphicbutton_info[i].text_left != NULL)
7005       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7006
7007     gi = CreateGadget(GDI_CUSTOM_ID, id,
7008                       GDI_CUSTOM_TYPE_ID, i,
7009                       GDI_IMAGE_ID, graphic,
7010                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7011                       GDI_X, x,
7012                       GDI_Y, y,
7013                       GDI_WIDTH, gd->width,
7014                       GDI_HEIGHT, gd->height,
7015                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7016                       GDI_STATE, GD_BUTTON_UNPRESSED,
7017                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7018                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7019                       GDI_EVENT_MASK, event_mask,
7020                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7021                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7022                       GDI_END);
7023
7024     if (gi == NULL)
7025       Fail("cannot create gadget");
7026
7027     level_editor_gadget[id] = gi;
7028     right_gadget_border[id] =
7029       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7030   }
7031 }
7032
7033 static void CreateScrollbarGadgets(void)
7034 {
7035   int i;
7036
7037   // these values are not constant, but can change at runtime
7038   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7039     SX + ED_SCROLL_HORIZONTAL_XPOS;
7040   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7041     SY + ED_SCROLL_HORIZONTAL_YPOS;
7042   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7043     ED_SCROLL_HORIZONTAL_XSIZE;
7044   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7045     ED_SCROLL_HORIZONTAL_YSIZE;
7046   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7047   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7048   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7049   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7050
7051   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7052     SX + ED_SCROLL_VERTICAL_XPOS;
7053   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7054     SY + ED_SCROLL_VERTICAL_YPOS;
7055   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7056     ED_SCROLL_VERTICAL_XSIZE;
7057   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7058     ED_SCROLL_VERTICAL_YSIZE;
7059   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7060   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7061   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7062   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7063
7064   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7065     PX + ED_SCROLL2_VERTICAL_XPOS;
7066   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7067     PY + ED_SCROLL2_VERTICAL_YPOS;
7068   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7069     ED_SCROLL2_VERTICAL_XSIZE;
7070   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7071     ED_SCROLL2_VERTICAL_YSIZE;
7072   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7073   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7074   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7075   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7076
7077   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7078   {
7079     int id = scrollbar_info[i].gadget_id;
7080     int graphic = scrollbar_info[i].graphic;
7081     struct GraphicInfo *gd = &graphic_info[graphic];
7082     int gd_x1 = gd->src_x;
7083     int gd_y1 = gd->src_y;
7084     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7085     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7086     struct GadgetInfo *gi;
7087     int items_max, items_visible, item_position;
7088     unsigned int event_mask;
7089
7090     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7091     {
7092       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7093       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7094       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7095     }
7096     else        // drawing area scrollbars
7097     {
7098       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7099       {
7100         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7101         items_visible = ed_fieldx;
7102         item_position = 0;
7103       }
7104       else
7105       {
7106         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7107         items_visible = ed_fieldy;
7108         item_position = 0;
7109       }
7110     }
7111
7112     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7113
7114     gi = CreateGadget(GDI_CUSTOM_ID, id,
7115                       GDI_CUSTOM_TYPE_ID, i,
7116                       GDI_IMAGE_ID, graphic,
7117                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7118                       GDI_X, scrollbar_pos[i].x,
7119                       GDI_Y, scrollbar_pos[i].y,
7120                       GDI_WIDTH, scrollbar_pos[i].width,
7121                       GDI_HEIGHT, scrollbar_pos[i].height,
7122                       GDI_TYPE, scrollbar_info[i].type,
7123                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7124                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7125                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7126                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7127                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7128                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7129                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7130                       GDI_STATE, GD_BUTTON_UNPRESSED,
7131                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7132                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7133                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7134                       GDI_EVENT_MASK, event_mask,
7135                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7136                       GDI_CALLBACK_ACTION, HandleControlButtons,
7137                       GDI_END);
7138
7139     if (gi == NULL)
7140       Fail("cannot create gadget");
7141
7142     level_editor_gadget[id] = gi;
7143   }
7144 }
7145
7146 static void CreateCheckbuttonGadgets(void)
7147 {
7148   struct GadgetInfo *gi;
7149   unsigned int event_mask;
7150   int i;
7151
7152   event_mask = GD_EVENT_PRESSED;
7153
7154   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7155   {
7156     int id = checkbutton_info[i].gadget_id;
7157     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7158                    IMG_EDITOR_CHECKBOX);
7159     struct GraphicInfo *gd = &graphic_info[graphic];
7160     int gd_x1 = gd->src_x;
7161     int gd_y1 = gd->src_y;
7162     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7163     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7164     int gd_x1a = gd->src_x + gd->active_xoffset;
7165     int gd_y1a = gd->src_y + gd->active_yoffset;
7166     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7167     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7168     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7169     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7170
7171     // determine horizontal position to the right of specified gadget
7172     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7173       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7174            ED_GADGET_TEXT_DISTANCE);
7175
7176     // determine horizontal offset for leading text
7177     if (checkbutton_info[i].text_left != NULL)
7178       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7179
7180     gi = CreateGadget(GDI_CUSTOM_ID, id,
7181                       GDI_CUSTOM_TYPE_ID, i,
7182                       GDI_IMAGE_ID, graphic,
7183                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7184                       GDI_X, x,
7185                       GDI_Y, y,
7186                       GDI_WIDTH, gd->width,
7187                       GDI_HEIGHT, gd->height,
7188                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7189                       GDI_CHECKED, *checkbutton_info[i].value,
7190                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7191                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7192                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7193                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7194                       GDI_EVENT_MASK, event_mask,
7195                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7196                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7197                       GDI_END);
7198
7199     if (gi == NULL)
7200       Fail("cannot create gadget");
7201
7202     level_editor_gadget[id] = gi;
7203     right_gadget_border[id] =
7204       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7205   }
7206 }
7207
7208 static void CreateRadiobuttonGadgets(void)
7209 {
7210   int graphic = IMG_EDITOR_RADIOBUTTON;
7211   struct GraphicInfo *gd = &graphic_info[graphic];
7212   int gd_x1 = gd->src_x;
7213   int gd_y1 = gd->src_y;
7214   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7215   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7216   int gd_x1a = gd->src_x + gd->active_xoffset;
7217   int gd_y1a = gd->src_y + gd->active_yoffset;
7218   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7219   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7220   struct GadgetInfo *gi;
7221   unsigned int event_mask;
7222   int i;
7223
7224   event_mask = GD_EVENT_PRESSED;
7225
7226   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7227   {
7228     int id = radiobutton_info[i].gadget_id;
7229     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7230     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7231
7232     int checked =
7233       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7234
7235     // determine horizontal position to the right of specified gadget
7236     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7237       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7238            ED_GADGET_TEXT_DISTANCE);
7239
7240     // determine horizontal offset for leading text
7241     if (radiobutton_info[i].text_left != NULL)
7242       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7243
7244     gi = CreateGadget(GDI_CUSTOM_ID, id,
7245                       GDI_CUSTOM_TYPE_ID, i,
7246                       GDI_IMAGE_ID, graphic,
7247                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7248                       GDI_X, x,
7249                       GDI_Y, y,
7250                       GDI_WIDTH, gd->width,
7251                       GDI_HEIGHT, gd->height,
7252                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7253                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7254                       GDI_CHECKED, checked,
7255                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7256                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7257                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7258                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7259                       GDI_EVENT_MASK, event_mask,
7260                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7261                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7262                       GDI_END);
7263
7264     if (gi == NULL)
7265       Fail("cannot create gadget");
7266
7267     level_editor_gadget[id] = gi;
7268     right_gadget_border[id] =
7269       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7270   }
7271 }
7272
7273 void CreateLevelEditorGadgets(void)
7274 {
7275   // force EDITOR font inside level editor
7276   SetFontStatus(GAME_MODE_EDITOR);
7277
7278   // these values are not constant, but can change at runtime
7279   ed_fieldx = MAX_ED_FIELDX - 1;
7280   ed_fieldy = MAX_ED_FIELDY - 1;
7281
7282   num_editor_gadgets = NUM_EDITOR_GADGETS;
7283
7284   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7285
7286   level_editor_gadget =
7287     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7288   right_gadget_border =
7289     checked_calloc(num_editor_gadgets * sizeof(int));
7290
7291   // set number of empty (padding) element buttons to maximum number of buttons
7292   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7293
7294   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7295   editor_el_empty_ptr = editor_el_empty;
7296
7297   use_permanent_palette = !editor.palette.show_as_separate_screen;
7298
7299   ReinitializeElementList();
7300
7301   CreateControlButtons();
7302   CreateScrollbarGadgets();
7303
7304   // order of function calls is important because of cross-references
7305   CreateCheckbuttonGadgets();
7306   CreateCounterButtons();
7307   CreateRadiobuttonGadgets();
7308   CreateTextInputGadgets();
7309   CreateTextAreaGadgets();
7310   CreateSelectboxGadgets();
7311   CreateGraphicbuttonGadgets();
7312   CreateTextbuttonGadgets();
7313   CreateDrawingAreas();
7314
7315   ResetFontStatus();
7316 }
7317
7318 void FreeLevelEditorGadgets(void)
7319 {
7320   int i;
7321
7322   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
7323
7324   for (i = 0; i < num_editor_gadgets; i++)
7325   {
7326     FreeGadget(level_editor_gadget[i]);
7327
7328     level_editor_gadget[i] = NULL;
7329   }
7330
7331   checked_free(level_editor_gadget);
7332   checked_free(right_gadget_border);
7333
7334   checked_free(editor_el_empty);
7335 }
7336
7337 static void MapCounterButtons(int id)
7338 {
7339   int font_nr = FONT_TEXT_1;
7340   int font_height = getFontHeight(font_nr);
7341   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7342   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7343   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7344   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7345   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7346   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7347   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7348   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7349   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7350   int yoffset = (gi_down->height - font_height) / 2;
7351   int x_left = gi_down->x - xoffset_left;
7352   int x_right;  // set after gadget position was modified
7353   int y_above = gi_down->y - yoffset_above;
7354   int x = gi_down->x;
7355   int y;        // set after gadget position was modified
7356
7357   // counter limits must be changed first to prevent value truncation
7358   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7359                             counterbutton_info[id].max_value);
7360
7361   // right text position might have changed after setting position above
7362   x_right = gi_up->x + gi_up->width + xoffset_right;
7363
7364   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7365
7366   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7367   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7368       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7369   {
7370     ModifyGadget(gi_down, GDI_Y,
7371                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7372     ModifyGadget(gi_text, GDI_Y,
7373                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7374     ModifyGadget(gi_up,   GDI_Y,
7375                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7376   }
7377
7378   // vertical position might have changed after setting position above
7379   y = gi_up->y + yoffset;
7380
7381   if (counterbutton_info[id].text_above)
7382     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7383
7384   if (counterbutton_info[id].text_left)
7385     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7386
7387   if (counterbutton_info[id].text_right)
7388     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7389
7390   MapGadget(gi_down);
7391   MapGadget(gi_text);
7392   MapGadget(gi_up);
7393 }
7394
7395 static void MapControlButtons(void)
7396 {
7397   int counter_id;
7398   int i;
7399
7400   // map toolbox buttons (excluding special CE toolbox buttons)
7401   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7402     MapGadget(level_editor_gadget[i]);
7403
7404   // map toolbox buttons (element properties buttons)
7405   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7406     MapGadget(level_editor_gadget[i]);
7407
7408   if (use_permanent_palette)
7409   {
7410     // map buttons to select elements
7411     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7412       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7413     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7414     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7415     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7416   }
7417
7418   // map buttons to select level
7419   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7420   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7421   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7422   MapCounterButtons(counter_id);
7423 }
7424
7425 static void MapDrawingArea(int id)
7426 {
7427   int font_nr = FONT_TEXT_1;
7428   int font_height = getFontHeight(font_nr);
7429   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7430   int area_xsize = gi->drawing.area_xsize;
7431   int area_ysize = gi->drawing.area_ysize;
7432   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7433   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7434   int x_left  = gi->x - xoffset_left;
7435   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7436   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7437   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7438   int y_side  = gi->y + (gi->height - font_height) / 2;
7439   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7440   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7441
7442   if (drawingarea_info[id].text_left)
7443     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7444
7445   if (drawingarea_info[id].text_right)
7446     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7447
7448   if (drawingarea_info[id].text_above)
7449     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7450
7451   if (drawingarea_info[id].text_below)
7452     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7453
7454   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7455   {
7456     DrawElementBorder(gi->x, gi->y,
7457                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7458                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7459
7460     DrawDrawingArea(id);
7461   }
7462
7463   MapGadget(gi);
7464 }
7465
7466 static void MapTextInputGadget(int id)
7467 {
7468   int font_nr = FONT_TEXT_1;
7469   int font_height = getFontHeight(font_nr);
7470   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7471   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7472   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7473   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7474
7475   if (textinput_info[id].text_above)
7476     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7477
7478   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7479
7480   MapGadget(gi);
7481 }
7482
7483 static void MapTextAreaGadget(int id)
7484 {
7485   int font_nr = FONT_TEXT_1;
7486   int font_height = getFontHeight(font_nr);
7487   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7488   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7489   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7490   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7491
7492   if (textarea_info[id].text_above)
7493     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7494
7495   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7496
7497   MapGadget(gi);
7498 }
7499
7500 static void MapSelectboxGadget(int id)
7501 {
7502   int font_nr = FONT_TEXT_1;
7503   int font_height = getFontHeight(font_nr);
7504   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7505   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7506   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7507   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7508   int yoffset = (gi->height - font_height) / 2;
7509   int x_left = gi->x - xoffset_left;
7510   int x_right = gi->x + gi->width + xoffset_right;
7511   int y_above = gi->y - yoffset_above;
7512   int x = gi->x;
7513   int y = gi->y + yoffset;
7514
7515   if (selectbox_info[id].text_above)
7516     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7517
7518   if (selectbox_info[id].text_left)
7519     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7520
7521   if (selectbox_info[id].text_right)
7522     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7523
7524   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7525
7526   MapGadget(gi);
7527 }
7528
7529 static void MapTextbuttonGadget(int id)
7530 {
7531   int font_nr = FONT_TEXT_1;
7532   int font_height = getFontHeight(font_nr);
7533   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7534   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7535   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7536   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7537   int yoffset = (gi->height - font_height) / 2;
7538   int x_left = gi->x - xoffset_left;
7539   int x_right = gi->x + gi->width + xoffset_right;
7540   int y_above = gi->y - yoffset_above;
7541   int x = gi->x;
7542   int y = gi->y + yoffset;
7543
7544   // only show button to delete change pages when more than minimum pages
7545   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7546       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7547     return;
7548
7549   if (textbutton_info[id].text_above)
7550     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7551
7552   if (textbutton_info[id].text_left)
7553     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7554
7555   if (textbutton_info[id].text_right)
7556     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7557
7558   MapGadget(gi);
7559 }
7560
7561 static void MapGraphicbuttonGadget(int id)
7562 {
7563   int font_nr = FONT_TEXT_1;
7564   int font_height = getFontHeight(font_nr);
7565   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7566   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7567   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7568   int yoffset = (gi->height - font_height) / 2;
7569   int x_left = gi->x - xoffset_left;
7570   int x_right = gi->x + gi->width + xoffset_right;
7571   int y = gi->y + yoffset;
7572
7573   if (graphicbutton_info[id].text_left)
7574     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7575
7576   if (graphicbutton_info[id].text_right)
7577     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7578
7579   MapGadget(gi);
7580 }
7581
7582 static void MapRadiobuttonGadget(int id)
7583 {
7584   int font_nr = FONT_TEXT_1;
7585   int font_height = getFontHeight(font_nr);
7586   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7587   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7588   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7589   int yoffset = (gi->height - font_height) / 2;
7590   int x_left = gi->x - xoffset_left;
7591   int x_right = gi->x + gi->width + xoffset_right;
7592   int y = gi->y + yoffset;
7593   boolean checked =
7594     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7595
7596   if (radiobutton_info[id].text_left)
7597     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7598
7599   if (radiobutton_info[id].text_right)
7600     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7601
7602   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7603
7604   MapGadget(gi);
7605 }
7606
7607 static void MapCheckbuttonGadget(int id)
7608 {
7609   int font_nr = FONT_TEXT_1;
7610   int font_height = getFontHeight(font_nr);
7611   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7612   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7613   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7614   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7615   int yoffset = (gi->height - font_height) / 2;
7616   int y_above = gi->y - yoffset_above;
7617   int x = gi->x;
7618   int x_left, x_right, y;       // set after gadget position was modified
7619
7620   // set position for gadgets with dynamically determined position
7621   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7622     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7623   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7624
7625   x_left = gi->x - xoffset_left;
7626   x_right = gi->x + gi->width + xoffset_right;
7627   y = gi->y + yoffset;
7628
7629   if (checkbutton_info[id].text_above)
7630     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7631
7632   if (checkbutton_info[id].text_left)
7633     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7634
7635   if (checkbutton_info[id].text_right)
7636     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7637
7638   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7639
7640   MapGadget(gi);
7641 }
7642
7643 static void MapMainDrawingArea(void)
7644 {
7645   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7646   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7647   int i;
7648
7649   if (suppressBorderElement())
7650   {
7651     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7652     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7653   }
7654
7655   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7656   {
7657     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7658           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7659          no_horizontal_scrollbar) ||
7660         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7661           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7662          no_vertical_scrollbar))
7663       continue;
7664
7665     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7666   }
7667
7668   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7669   {
7670     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7671         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7672       continue;
7673
7674     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7675   }
7676
7677   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7678 }
7679
7680 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7681 {
7682   int i;
7683
7684   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7685   {
7686     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7687         i == GADGET_ID_CUSTOM_COPY_TO ||
7688         i == GADGET_ID_CUSTOM_EXCHANGE ||
7689         i == GADGET_ID_CUSTOM_COPY ||
7690         i == GADGET_ID_CUSTOM_PASTE)
7691     {
7692       if (map)
7693         MapGadget(level_editor_gadget[i]);
7694       else
7695         UnmapGadget(level_editor_gadget[i]);
7696     }
7697   }
7698 }
7699
7700 static void MapLevelEditorToolboxCustomGadgets(void)
7701 {
7702   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7703 }
7704
7705 static void UnmapLevelEditorToolboxCustomGadgets(void)
7706 {
7707   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7708 }
7709
7710 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7711 {
7712   int i;
7713
7714   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7715   {
7716     if (i != GADGET_ID_SINGLE_ITEMS &&
7717         i != GADGET_ID_PICK_ELEMENT)
7718     {
7719       struct GadgetInfo *gi = level_editor_gadget[i];
7720
7721       if (map)
7722       {
7723         MapGadget(gi);
7724       }
7725       else
7726       {
7727         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7728         struct GraphicInfo *gd = &graphic_info[graphic];
7729
7730         UnmapGadget(gi);
7731
7732         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7733                    gi->width, gi->height, gi->x, gi->y);
7734
7735         redraw_mask |= REDRAW_DOOR_3;
7736       }
7737     }
7738   }
7739 }
7740
7741 static void MapLevelEditorToolboxDrawingGadgets(void)
7742 {
7743   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7744 }
7745
7746 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7747 {
7748   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7749 }
7750
7751 static void UnmapDrawingArea(int id)
7752 {
7753   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7754 }
7755
7756 static void UnmapLevelEditorFieldGadgets(void)
7757 {
7758   int i;
7759
7760   for (i = 0; i < num_editor_gadgets; i++)
7761     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7762                           level_editor_gadget[i]->y))
7763       UnmapGadget(level_editor_gadget[i]);
7764 }
7765
7766 void UnmapLevelEditorGadgets(void)
7767 {
7768   int i;
7769
7770   for (i = 0; i < num_editor_gadgets; i++)
7771     UnmapGadget(level_editor_gadget[i]);
7772 }
7773
7774 static void ResetUndoBuffer(void)
7775 {
7776   undo_buffer_position = -1;
7777   undo_buffer_steps = -1;
7778   redo_buffer_steps = 0;
7779
7780   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7781
7782   level.changed = FALSE;
7783 }
7784
7785 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7786 {
7787   if (remap_toolbox_gadgets)
7788   {
7789     ModifyEditorElementList();
7790     RedrawDrawingElements();
7791   }
7792
7793   if (edit_mode == ED_MODE_INFO)
7794     DrawLevelInfoWindow();
7795   else if (edit_mode == ED_MODE_PROPERTIES)
7796     DrawPropertiesWindow();
7797   else if (edit_mode == ED_MODE_PALETTE)
7798     DrawPaletteWindow();
7799   else  // edit_mode == ED_MODE_DRAWING
7800     DrawDrawingWindowExt(remap_toolbox_gadgets);
7801 }
7802
7803 static void DrawEditModeWindow(void)
7804 {
7805   DrawEditModeWindowExt(TRUE);
7806 }
7807
7808 static void DrawEditModeWindow_PlayfieldOnly(void)
7809 {
7810   DrawEditModeWindowExt(FALSE);
7811 }
7812
7813 static void ChangeEditModeWindow(int new_edit_mode)
7814 {
7815   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7816
7817   DrawEditModeWindow();
7818 }
7819
7820 static boolean LevelChanged(void)
7821 {
7822   boolean field_changed = FALSE;
7823   int x, y;
7824
7825   for (y = 0; y < lev_fieldy; y++)
7826     for (x = 0; x < lev_fieldx; x++)
7827       if (Tile[x][y] != level.field[x][y])
7828         field_changed = TRUE;
7829
7830   return (level.changed || field_changed);
7831 }
7832
7833 static boolean PrepareSavingIntoPersonalLevelSet(void)
7834 {
7835   static LevelDirTree *last_copied_leveldir = NULL;
7836   static LevelDirTree *last_written_leveldir = NULL;
7837   static int last_copied_level_nr = -1;
7838   static int last_written_level_nr = -1;
7839   LevelDirTree *leveldir_former = leveldir_current;
7840   int level_nr_former = level_nr;
7841   int new_level_nr;
7842
7843   // remember last mod/save so that for current session, we write
7844   // back to the same personal copy, asking only about overwrite.
7845   if (leveldir_current == last_copied_leveldir &&
7846       level_nr == last_copied_level_nr)
7847   {
7848     // "cd" to personal level set dir (as used when writing last copy)
7849     leveldir_current = last_written_leveldir;
7850     level_nr = last_written_level_nr;
7851
7852     return TRUE;
7853   }
7854
7855   if (!Request("This level is read-only! "
7856                "Save into personal level set?", REQ_ASK))
7857     return FALSE;
7858
7859   // "cd" to personal level set dir (for writing copy the first time)
7860   leveldir_current =
7861     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7862
7863   // this may happen if "setup.internal.create_user_levelset" is FALSE
7864   // or if file "levelinfo.conf" is missing in personal user level set
7865   if (leveldir_current == NULL)
7866   {
7867     Request("Cannot find personal level set?!", REQ_CONFIRM);
7868
7869     leveldir_current = leveldir_former;
7870
7871     return FALSE;
7872   }
7873
7874   // find unused level number
7875   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7876   {
7877     static char *level_filename = NULL;
7878
7879     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7880
7881     if (!fileExists(level_filename))
7882       break;
7883   }
7884
7885   last_copied_leveldir = leveldir_former;
7886   last_copied_level_nr = level_nr_former;
7887
7888   last_written_leveldir = leveldir_current;
7889   last_written_level_nr = level_nr = new_level_nr;
7890
7891   return TRUE;
7892 }
7893
7894 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7895 {
7896   static char *filename_levelinfo = NULL, *mod_name = NULL;
7897   FILE *file;
7898
7899   // annotate this copy-and-mod in personal levelinfo.conf
7900   setString(&filename_levelinfo,
7901             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7902
7903   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7904   {
7905     fprintf(file, "\n");
7906     fprintf(file, "# level %d was modified from:\n", level_nr);
7907     fprintf(file, "# - previous level set name:    %s\n",
7908             former_name);
7909     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7910             level.file_info.nr, level.name);
7911     fprintf(file, "# - previous author:            %s\n",
7912             level.author);
7913     fprintf(file, "# - previous save date:         ");
7914
7915     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7916     {
7917       fprintf(file, "%04d-%02d-%02d\n",
7918               level.creation_date.year,
7919               level.creation_date.month,
7920               level.creation_date.day);
7921     }
7922     else
7923     {
7924       fprintf(file, "not recorded\n");
7925     }
7926
7927     fclose(file);
7928   }
7929
7930   if (level_nr > leveldir_current->last_level)
7931     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7932
7933   // else: allow the save even if annotation failed
7934
7935   // now... spray graffiti on the old level vital statistics
7936   // user can change these; just trying to set a good baseline
7937
7938   // don't truncate names for fear of making offensive or silly:
7939   // long-named original author only recorded in levelinfo.conf.
7940   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7941   if (!strEqual(level.author, leveldir_current->author))
7942   {
7943     setString(&mod_name, getStringCat3(leveldir_current->author,
7944                                        " after ", level.author));
7945
7946     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7947       setString(&mod_name,
7948                 getStringCat2(leveldir_current->author, " (ed.)"));
7949
7950     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7951       setString(&mod_name, leveldir_current->author);
7952
7953     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7954
7955     // less worried about truncation here
7956     setString(&mod_name, getStringCat2("Mod: ", level.name));
7957     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7958   }
7959 }
7960
7961 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7962                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7963 {
7964   int x, y;
7965
7966   for (x = 0; x < lev_fieldx; x++)
7967     for (y = 0; y < lev_fieldy; y++)
7968       dst[x][y] = src[x][y];
7969 }
7970
7971 static int setSelectboxValue(int selectbox_id, int new_value)
7972 {
7973   int new_index_value = 0;
7974   int i;
7975
7976   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7977     if (selectbox_info[selectbox_id].options[i].value == new_value)
7978       new_index_value = i;
7979
7980   *selectbox_info[selectbox_id].value =
7981     selectbox_info[selectbox_id].options[new_index_value].value;
7982
7983   return new_index_value;
7984 }
7985
7986 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7987 {
7988   int i;
7989
7990   // change action mode and arg variables according to action type variable
7991   for (i = 0; action_arg_options[i].value != -1; i++)
7992   {
7993     if (action_arg_options[i].value == custom_element_change.action_type)
7994     {
7995       int mode = action_arg_options[i].mode;
7996
7997       // only change if corresponding selectbox has changed
7998       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7999           action_arg_modes[mode])
8000         custom_element_change.action_mode = -1;
8001
8002       // only change if corresponding selectbox has changed
8003       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8004           action_arg_options[i].options)
8005         custom_element_change.action_arg = -1;
8006
8007       break;
8008     }
8009   }
8010 }
8011
8012 static void setSelectboxSpecialActionOptions(void)
8013 {
8014   int i;
8015
8016   // change action mode and arg selectbox according to action type selectbox
8017   for (i = 0; action_arg_options[i].value != -1; i++)
8018   {
8019     if (action_arg_options[i].value == custom_element_change.action_type)
8020     {
8021       int mode = action_arg_options[i].mode;
8022
8023       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8024                                    action_arg_modes[mode]);
8025       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8026                                  custom_element_change.action_mode);
8027
8028       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8029                                    action_arg_options[i].options);
8030       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8031                                  custom_element_change.action_arg);
8032       break;
8033     }
8034   }
8035 }
8036
8037 static void copy_custom_element_settings(int element_from, int element_to)
8038 {
8039   struct ElementInfo *ei_from = &element_info[element_from];
8040   struct ElementInfo *ei_to = &element_info[element_to];
8041
8042   copyElementInfo(ei_from, ei_to);
8043 }
8044
8045 static void replace_custom_element_in_settings(int element_from,
8046                                                int element_to)
8047 {
8048   int i, j, x, y;
8049
8050   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8051   {
8052     struct ElementInfo *ei = &element_info[i];
8053
8054     for (y = 0; y < 3; y++)
8055       for (x = 0; x < 3; x++)
8056         if (ei->content.e[x][y] == element_from)
8057           ei->content.e[x][y] = element_to;
8058
8059     for (j = 0; j < ei->num_change_pages; j++)
8060     {
8061       struct ElementChangeInfo *change = &ei->change_page[j];
8062
8063       if (change->target_element == element_from)
8064         change->target_element = element_to;
8065
8066       if (change->initial_trigger_element == element_from)
8067         change->initial_trigger_element = element_to;
8068
8069       if (change->action_element == element_from)
8070         change->action_element = element_to;
8071
8072       for (y = 0; y < 3; y++)
8073         for (x = 0; x < 3; x++)
8074           if (change->target_content.e[x][y] == element_from)
8075             change->target_content.e[x][y] = element_to;
8076     }
8077
8078     if (ei->group != NULL)                              // group or internal
8079       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8080         if (ei->group->element[j] == element_from)
8081           ei->group->element[j] = element_to;
8082   }
8083 }
8084
8085 static void replace_custom_element_in_playfield(int element_from,
8086                                                 int element_to)
8087 {
8088   int x, y;
8089
8090   for (x = 0; x < lev_fieldx; x++)
8091     for (y = 0; y < lev_fieldy; y++)
8092       if (Tile[x][y] == element_from)
8093         Tile[x][y] = element_to;
8094 }
8095
8096 static boolean CopyCustomElement(int element_old, int element_new,
8097                                  int copy_mode)
8098 {
8099   int copy_mode_orig = copy_mode;
8100
8101   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8102   {
8103     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8104                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8105     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8106   }
8107   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8108   {
8109     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8110                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8111     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8112
8113     level.changed = TRUE;
8114   }
8115   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8116   {
8117     Request("Please choose custom element!", REQ_CONFIRM);
8118
8119     return FALSE;
8120   }
8121   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8122   {
8123     Request("Please choose group element!", REQ_CONFIRM);
8124
8125     return FALSE;
8126   }
8127   else
8128   {
8129     level.changed = TRUE;
8130   }
8131
8132   // when modifying custom/group element, ask for copying level template
8133   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8134   {
8135     if (!AskToCopyAndModifyLevelTemplate())
8136       return FALSE;
8137   }
8138
8139   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8140   {
8141     copy_custom_element_settings(element_new, element_old);
8142   }
8143   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8144   {
8145     copy_custom_element_settings(element_old, element_new);
8146   }
8147   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8148   {
8149     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8150     copy_custom_element_settings(element_new, element_old);
8151     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8152
8153     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8154     replace_custom_element_in_settings(element_new, element_old);
8155     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8156
8157     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8158     replace_custom_element_in_playfield(element_new, element_old);
8159     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8160   }
8161
8162   UpdateCustomElementGraphicGadgets();
8163   DrawPropertiesWindow();
8164
8165   return TRUE;
8166 }
8167
8168 static void CopyCustomElementPropertiesToEditor(int element)
8169 {
8170   int i;
8171   int current_change_page = element_info[element].current_change_page;
8172
8173   // dynamically (re)build selectbox for selecting change page
8174   for (i = 0; i < element_info[element].num_change_pages; i++)
8175   {
8176     sprintf(options_change_page_strings[i], "%d", i + 1);
8177
8178     options_change_page[i].value = i;
8179     options_change_page[i].text = options_change_page_strings[i];
8180   }
8181
8182   options_change_page[i].value = -1;
8183   options_change_page[i].text = NULL;
8184
8185   // needed here to initialize combined element properties
8186   InitElementPropertiesEngine(level.game_version);
8187
8188   element_info[element].change =
8189     &element_info[element].change_page[current_change_page];
8190
8191   custom_element = element_info[element];
8192   custom_element_change = *element_info[element].change;
8193
8194   // needed to initially set selectbox options for special action options
8195   setSelectboxSpecialActionOptions();
8196
8197   // needed to initially set selectbox value variables to reliable defaults
8198   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8199     setSelectboxValue(i, *selectbox_info[i].value);
8200
8201   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8202     custom_element_properties[i] = HAS_PROPERTY(element, i);
8203
8204   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8205     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8206
8207   // ---------- element settings: configure (custom elements) -----------------
8208
8209   // set accessible layer selectbox help value
8210   custom_element.access_type =
8211     (IS_WALKABLE(element) ? EP_WALKABLE :
8212      IS_PASSABLE(element) ? EP_PASSABLE :
8213      custom_element.access_type);
8214   custom_element.access_layer =
8215     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8216      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8217      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8218      custom_element.access_layer);
8219   custom_element.access_protected =
8220     (IS_PROTECTED(element) ? 1 : 0);
8221   custom_element_properties[EP_ACCESSIBLE] =
8222     (IS_ACCESSIBLE_OVER(element) ||
8223      IS_ACCESSIBLE_INSIDE(element) ||
8224      IS_ACCESSIBLE_UNDER(element));
8225
8226   // set walk-to-object action selectbox help value
8227   custom_element.walk_to_action =
8228     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8229      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8230      IS_DROPPABLE(element) ? EP_DROPPABLE :
8231      IS_THROWABLE(element) ? EP_THROWABLE :
8232      IS_PUSHABLE(element) ? EP_PUSHABLE :
8233      custom_element.walk_to_action);
8234   custom_element_properties[EP_WALK_TO_OBJECT] =
8235     (IS_DIGGABLE(element) ||
8236      IS_COLLECTIBLE_ONLY(element) ||
8237      IS_DROPPABLE(element) ||
8238      IS_THROWABLE(element) ||
8239      IS_PUSHABLE(element));
8240
8241   // set smash targets selectbox help value
8242   custom_element.smash_targets =
8243     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8244      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8245      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8246      custom_element.smash_targets);
8247   custom_element_properties[EP_CAN_SMASH] =
8248     (CAN_SMASH_EVERYTHING(element) ||
8249      CAN_SMASH_ENEMIES(element) ||
8250      CAN_SMASH_PLAYER(element));
8251
8252   // set deadliness selectbox help value
8253   custom_element.deadliness =
8254     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8255      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8256      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8257      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8258      custom_element.deadliness);
8259   custom_element_properties[EP_DEADLY] =
8260     (DONT_TOUCH(element) ||
8261      DONT_GET_HIT_BY(element) ||
8262      DONT_COLLIDE_WITH(element) ||
8263      DONT_RUN_INTO(element));
8264
8265   // ---------- element settings: advanced (custom elements) ------------------
8266
8267   // set "change by direct action" selectbox help value
8268   custom_element_change.direct_action =
8269     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
8270      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8271      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8272      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8273      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8274      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8275      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8276      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8277      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8278      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8279      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8280      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8281      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8282      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8283      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8284      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8285      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8286      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8287      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8288      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8289      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8290      custom_element_change.direct_action);
8291
8292   // set "change by other element action" selectbox help value
8293   custom_element_change.other_action =
8294     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
8295      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8296      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8297      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8298      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8299      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8300      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8301      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8302      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8303      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8304      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8305      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
8306      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8307      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8308      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8309      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8310      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8311      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8312      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8313      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8314      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8315      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8316      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8317      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8318      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8319      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8320      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8321      custom_element_change.other_action);
8322 }
8323
8324 static void CopyGroupElementPropertiesToEditor(int element)
8325 {
8326   group_element_info = *element_info[element].group;
8327   custom_element = element_info[element];       // needed for description
8328 }
8329
8330 static void CopyEmptyElementPropertiesToEditor(int element)
8331 {
8332   custom_element = element_info[element];
8333 }
8334
8335 static void CopyClassicElementPropertiesToEditor(int element)
8336 {
8337   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8338     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8339       getMoveIntoAcidProperty(&level, element);
8340
8341   if (MAYBE_DONT_COLLIDE_WITH(element))
8342     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8343       getDontCollideWithProperty(&level, element);
8344 }
8345
8346 static void CopyElementPropertiesToEditor(int element)
8347 {
8348   if (IS_CUSTOM_ELEMENT(element))
8349     CopyCustomElementPropertiesToEditor(element);
8350   else if (IS_GROUP_ELEMENT(element))
8351     CopyGroupElementPropertiesToEditor(element);
8352   else if (IS_EMPTY_ELEMENT(element))
8353     CopyEmptyElementPropertiesToEditor(element);
8354   else
8355     CopyClassicElementPropertiesToEditor(element);
8356 }
8357
8358 static boolean AskToCopyAndModifyLevelTemplate(void)
8359 {
8360   if (Request("Copy and modify settings from level template?", REQ_ASK))
8361   {
8362     level.use_custom_template = FALSE;
8363
8364     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8365                  GDI_CHECKED, FALSE, GDI_END);
8366     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8367                  GDI_CHECKED, FALSE, GDI_END);
8368
8369     return TRUE;
8370   }
8371   else
8372   {
8373     LoadLevelTemplate(-1);      // this resets all element modifications ...
8374
8375     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8376
8377     return FALSE;
8378   }
8379 }
8380
8381 static void CopyCustomElementPropertiesToGame(int element)
8382 {
8383   int i;
8384   int access_type_and_layer;
8385
8386   // mark that this custom element has been modified
8387   custom_element.modified_settings = TRUE;
8388   level.changed = TRUE;
8389
8390   if (level.use_custom_template)
8391     AskToCopyAndModifyLevelTemplate();
8392
8393   element_info[element] = custom_element;
8394   *element_info[element].change = custom_element_change;
8395
8396   // ---------- element settings: configure (custom elements) -----------------
8397
8398   // set accessible property from checkbox and selectbox
8399   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8400   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8401   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8402   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8403   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8404   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8405   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8406                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8407                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8408   custom_element_properties[access_type_and_layer] =
8409     custom_element_properties[EP_ACCESSIBLE];
8410   custom_element_properties[EP_PROTECTED] =
8411     (custom_element.access_protected != 0 &&
8412      custom_element_properties[EP_ACCESSIBLE]);
8413
8414   // set walk-to-object property from checkbox and selectbox
8415   custom_element_properties[EP_DIGGABLE] = FALSE;
8416   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8417   custom_element_properties[EP_DROPPABLE] = FALSE;
8418   custom_element_properties[EP_THROWABLE] = FALSE;
8419   custom_element_properties[EP_PUSHABLE] = FALSE;
8420   custom_element_properties[custom_element.walk_to_action] =
8421     custom_element_properties[EP_WALK_TO_OBJECT];
8422
8423   // set smash property from checkbox and selectbox
8424   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8425   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8426   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8427   custom_element_properties[custom_element.smash_targets] =
8428     custom_element_properties[EP_CAN_SMASH];
8429
8430   // set deadliness property from checkbox and selectbox
8431   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8432   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8433   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8434   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8435   custom_element_properties[custom_element.deadliness] =
8436     custom_element_properties[EP_DEADLY];
8437
8438   // ---------- element settings: advanced (custom elements) ------------------
8439
8440   // set player change event from checkbox and selectbox
8441   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
8442   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8443   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8444   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8445   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8446   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8447   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8448   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8449   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8450   custom_element_change_events[CE_SWITCHED] = FALSE;
8451   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8452   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8453   custom_element_change_events[CE_BLOCKED] = FALSE;
8454   custom_element_change_events[CE_IMPACT] = FALSE;
8455   custom_element_change_events[CE_SMASHED] = FALSE;
8456   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8457   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8458   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8459   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8460   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8461   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8462   custom_element_change_events[custom_element_change.direct_action] =
8463     custom_element_change_events[CE_BY_DIRECT_ACTION];
8464
8465   // set other element action change event from checkbox and selectbox
8466   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
8467   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8468   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8469   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8470   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8471   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8472   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8473   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8474   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8475   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8476   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8477   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
8478   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8479   custom_element_change_events[CE_HITTING_X] = FALSE;
8480   custom_element_change_events[CE_DIGGING_X] = FALSE;
8481   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8482   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8483   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8484   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8485   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8486   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8487   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8488   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8489   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8490   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8491   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8492   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8493   custom_element_change_events[custom_element_change.other_action] =
8494     custom_element_change_events[CE_BY_OTHER_ACTION];
8495
8496   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8497     SET_PROPERTY(element, i, custom_element_properties[i]);
8498
8499   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8500     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8501
8502   // copy change events also to special level editor variable
8503   custom_element = element_info[element];
8504   custom_element_change = *element_info[element].change;
8505
8506   // needed here to restore runtime value "element_info[element].gfx_element"
8507   InitElementPropertiesGfxElement();
8508 }
8509
8510 static void CopyGroupElementPropertiesToGame(int element)
8511 {
8512   // mark that this group element has been modified
8513   custom_element.modified_settings = TRUE;
8514   level.changed = TRUE;
8515
8516   if (level.use_custom_template)
8517     AskToCopyAndModifyLevelTemplate();
8518
8519   element_info[element] = custom_element;
8520   *element_info[element].group = group_element_info;
8521
8522   // needed here to restore runtime value "element_info[element].gfx_element"
8523   InitElementPropertiesGfxElement();
8524 }
8525
8526 static void CopyEmptyElementPropertiesToGame(int element)
8527 {
8528   // mark that this empty element has been modified
8529   custom_element.modified_settings = TRUE;
8530   level.changed = TRUE;
8531
8532   if (level.use_custom_template)
8533     AskToCopyAndModifyLevelTemplate();
8534
8535   element_info[element] = custom_element;
8536
8537   // needed here to restore runtime value "element_info[element].gfx_element"
8538   InitElementPropertiesGfxElement();
8539 }
8540
8541 static void CopyClassicElementPropertiesToGame(int element)
8542 {
8543   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
8544     setMoveIntoAcidProperty(&level, element,
8545                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8546
8547   if (MAYBE_DONT_COLLIDE_WITH(element))
8548     setDontCollideWithProperty(&level, element,
8549                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8550 }
8551
8552 static void CopyElementPropertiesToGame(int element)
8553 {
8554   if (IS_CUSTOM_ELEMENT(element))
8555     CopyCustomElementPropertiesToGame(element);
8556   else if (IS_GROUP_ELEMENT(element))
8557     CopyGroupElementPropertiesToGame(element);
8558   else if (IS_EMPTY_ELEMENT(element))
8559     CopyEmptyElementPropertiesToGame(element);
8560   else
8561     CopyClassicElementPropertiesToGame(element);
8562 }
8563
8564 #if DEBUG
8565 static void CheckElementDescriptions(void)
8566 {
8567   int i;
8568
8569   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8570     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8571       Warn("no element description file for element '%s'", EL_NAME(i));
8572 }
8573 #endif
8574
8575 static int getMaxEdFieldX(boolean has_scrollbar)
8576 {
8577   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8578   int sxsize = SXSIZE - scrollbar_width;
8579   int max_ed_fieldx = sxsize / ed_tilesize;
8580
8581   return max_ed_fieldx;
8582 }
8583
8584 static int getMaxEdFieldY(boolean has_scrollbar)
8585 {
8586   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8587                          INFOTEXT_YSIZE_FULL : 0);
8588   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8589   int sysize = SYSIZE - scrollbar_height - infotext_height;
8590   int max_ed_fieldy = sysize / ed_tilesize;
8591
8592   return max_ed_fieldy;
8593 }
8594
8595 static void InitZoomLevelSettings(int zoom_tilesize)
8596 {
8597   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8598
8599   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8600   {
8601     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8602     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8603
8604     // make sure that tile size is always a power of 2
8605     ed_tilesize = (1 << log_2(ed_tilesize));
8606
8607     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8608     {
8609       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8610       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8611     }
8612   }
8613
8614   last_game_engine_type = level.game_engine_type;
8615
8616   // limit zoom tilesize by upper and lower bound
8617   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8618
8619   // store zoom tilesize in auto setup file only if it was manually changed
8620   if (zoom_tilesize != -1)
8621     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8622
8623   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8624   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8625 }
8626
8627 static void InitDrawingElements(void)
8628 {
8629   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8630
8631   if (level.game_engine_type == game_engine_type_last)
8632     return;
8633
8634   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8635   {
8636     new_element1 = EL_SP_CHIP_SINGLE;
8637     new_element2 = EL_EMPTY;
8638     new_element3 = EL_SP_BASE;
8639   }
8640   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8641   {
8642     new_element1 = EL_MM_MIRROR_START;
8643     new_element2 = EL_EMPTY;
8644     new_element3 = EL_MM_WOODEN_WALL;
8645   }
8646   else
8647   {
8648     new_element1 = EL_WALL;
8649     new_element2 = EL_EMPTY;
8650     new_element3 = EL_SAND;
8651   }
8652
8653   game_engine_type_last = level.game_engine_type;
8654 }
8655
8656 static void InitLevelSetInfo(void)
8657 {
8658   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8659            "%s", leveldir_current->name);
8660   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8661            "%s", leveldir_current->author);
8662
8663   levelset_num_levels = leveldir_current->levels;
8664
8665   levelset_use_levelset_artwork = FALSE;
8666   levelset_copy_level_template = FALSE;
8667
8668   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8669 }
8670
8671 static void ChangeEditorToLevelSet(char *levelset_subdir)
8672 {
8673   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8674
8675   // the previous level set might have used custom artwork
8676   ReloadCustomArtwork(0);
8677
8678   LoadLevelSetup_SeriesInfo();
8679
8680   SaveLevelSetup_LastSeries();
8681   SaveLevelSetup_SeriesInfo();
8682
8683   TapeErase();
8684
8685   LoadLevel(level_nr);
8686   LoadScore(level_nr);
8687
8688   DrawLevelEd();
8689 }
8690
8691 static boolean useEditorDoorAnimation(void)
8692 {
8693   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8694   boolean door_1_viewport_unchanged =
8695     (vp_door_1->x      == DX     &&
8696      vp_door_1->y      == DY     &&
8697      vp_door_1->width  == DXSIZE &&
8698      vp_door_1->height == DYSIZE);
8699   boolean door_1_contains_toolbox =
8700     (EX >= DX &&
8701      EY >= DY &&
8702      EX + EXSIZE <= DX + DXSIZE &&
8703      EY + EYSIZE <= DY + DYSIZE);
8704
8705   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8706 }
8707
8708 static void DrawEditorDoorBackground(int graphic, int x, int y,
8709                                      int width, int height)
8710 {
8711   struct GraphicInfo *g = &graphic_info[graphic];
8712
8713   if (g->bitmap != NULL)
8714     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8715                MIN(width, g->width), MIN(height, g->height), x, y);
8716   else
8717     ClearRectangle(drawto, x, y, width, height);
8718 }
8719
8720 static void DrawEditorDoorContent(void)
8721 {
8722   // needed for gadgets drawn on background (like palette scrollbar)
8723   SetDoorBackgroundImage(IMG_UNDEFINED);
8724
8725   // copy default editor door content to main double buffer
8726   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8727
8728   // draw bigger door
8729   DrawSpecialEditorDoor();
8730
8731   // draw new control window
8732   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8733
8734   // draw all toolbox gadgets to editor doors
8735   MapControlButtons();
8736
8737   // draw all palette gadgets to editor doors
8738   ModifyEditorElementList();
8739   RedrawDrawingElements();
8740
8741   // copy actual editor door content to door double buffer for OpenDoor()
8742   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8743 }
8744
8745 void DrawLevelEd(void)
8746 {
8747   int fade_mask = REDRAW_FIELD;
8748
8749   FadeSoundsAndMusic();
8750
8751   if (CheckFadeAll())
8752     fade_mask = REDRAW_ALL;
8753
8754   FadeOut(fade_mask);
8755
8756   // needed if different viewport properties defined for editor
8757   ChangeViewportPropertiesIfNeeded();
8758
8759   ClearField();
8760
8761   InitZoomLevelSettings(-1);
8762   InitDrawingElements();
8763   InitLevelSetInfo();
8764
8765 #if DEBUG
8766   CheckElementDescriptions();
8767 #endif
8768
8769   if (level_editor_test_game)
8770   {
8771     CopyPlayfield(level.field, Tile);
8772     CopyPlayfield(TileBackup, level.field);
8773
8774     level_editor_test_game = FALSE;
8775   }
8776   else
8777   {
8778     edit_mode = ED_MODE_DRAWING;
8779     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8780     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8781
8782     ResetUndoBuffer();
8783
8784     level_xpos = -1;
8785     level_ypos = -1;
8786   }
8787
8788   // redraw_mask |= REDRAW_ALL;
8789
8790   FreeLevelEditorGadgets();
8791   CreateLevelEditorGadgets();
8792
8793   ReinitializeElementList();            // update dynamic level element list
8794   ReinitializeElementListButtons();     // custom element may look different
8795
8796   InitElementPropertiesGfxElement();
8797
8798   UnmapAllGadgets();
8799
8800   DrawEditModeWindow_PlayfieldOnly();
8801
8802   DrawMaskedBorder(fade_mask);
8803
8804   // use door animation if door 1 viewport is unchanged and contains toolbox
8805   if (useEditorDoorAnimation())
8806   {
8807     FadeIn(fade_mask);
8808
8809     DrawEditorDoorContent();
8810
8811     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8812   }
8813   else
8814   {
8815     DrawEditorDoorContent();
8816
8817     FadeIn(fade_mask);
8818   }
8819
8820   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8821 }
8822
8823 static void AdjustDrawingAreaGadgets(void)
8824 {
8825   int ed_xsize = lev_fieldx + 2;
8826   int ed_ysize = lev_fieldy + 2;
8827   int max_ed_fieldx = MAX_ED_FIELDX;
8828   int max_ed_fieldy = MAX_ED_FIELDY;
8829   boolean horizontal_scrollbar_needed;
8830   boolean vertical_scrollbar_needed;
8831   int x, y, width, height;
8832
8833   if (suppressBorderElement())
8834   {
8835     ed_xsize = max_ed_fieldx;
8836     ed_ysize = max_ed_fieldy;
8837   }
8838
8839   // check if we need any scrollbars
8840   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8841   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8842
8843   // check if we have a smaller editor field because of scrollbars
8844   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8845   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8846
8847   // check again if we now need more scrollbars because of less space
8848   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8849   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8850
8851   // check if editor field gets even smaller after adding new scrollbars
8852   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8853   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8854
8855   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8856   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8857
8858   x = SX + ed_fieldx * ed_tilesize;
8859   y = SY + ed_fieldy * ed_tilesize;
8860
8861   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8862   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8863
8864   // adjust drawing area gadget
8865   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8866                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8867                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8868                GDI_END);
8869
8870   // adjust horizontal scrollbar gadgets
8871   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8872                GDI_Y, y,
8873                GDI_END);
8874   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8875                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8876                GDI_Y, y,
8877                GDI_END);
8878   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8879                GDI_Y, y,
8880                GDI_WIDTH, width,
8881                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8882                GDI_END);
8883
8884   // adjust vertical scrollbar gadgets
8885   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8886                GDI_X, x,
8887                GDI_END);
8888   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8889                GDI_X, x,
8890                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8891                GDI_END);
8892   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8893                GDI_X, x,
8894                GDI_HEIGHT, height,
8895                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8896                GDI_END);
8897 }
8898
8899 static void AdjustLevelScrollPosition(void)
8900 {
8901   if (level_xpos < -1)
8902     level_xpos = -1;
8903   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8904     level_xpos = lev_fieldx - ed_fieldx + 1;
8905   if (lev_fieldx < ed_fieldx - 2)
8906     level_xpos = -1;
8907
8908   if (level_ypos < -1)
8909     level_ypos = -1;
8910   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8911     level_ypos = lev_fieldy - ed_fieldy + 1;
8912   if (lev_fieldy < ed_fieldy - 2)
8913     level_ypos = -1;
8914
8915   if (suppressBorderElement())
8916   {
8917     level_xpos = 0;
8918     level_ypos = 0;
8919   }
8920 }
8921
8922 static void AdjustEditorScrollbar(int id)
8923 {
8924   struct GadgetInfo *gi = level_editor_gadget[id];
8925   int items_max, items_visible, item_position;
8926
8927   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8928   {
8929     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8930     items_visible = ed_fieldx;
8931     item_position = level_xpos + 1;
8932   }
8933   else
8934   {
8935     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8936     items_visible = ed_fieldy;
8937     item_position = level_ypos + 1;
8938   }
8939
8940   if (item_position > items_max - items_visible)
8941     item_position = items_max - items_visible;
8942
8943   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8944                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8945 }
8946
8947 static void AdjustElementListScrollbar(void)
8948 {
8949   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8950   int items_max, items_visible, item_position;
8951
8952   // correct position of element list scrollbar
8953   if (element_shift < 0)
8954     element_shift = 0;
8955   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8956     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8957
8958   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8959   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8960   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8961
8962   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8963                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8964                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8965 }
8966
8967 static void ModifyEditorCounterValue(int counter_id, int new_value)
8968 {
8969   int *counter_value = counterbutton_info[counter_id].value;
8970   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8971   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8972
8973   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8974
8975   if (counter_value != NULL)
8976     *counter_value = gi->textinput.number_value;
8977 }
8978
8979 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8980 {
8981   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8982   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8983
8984   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8985
8986   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8987       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8988   {
8989     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8990     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8991
8992     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8993     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8994                  GDI_END);
8995   }
8996 }
8997
8998 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8999 {
9000   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9001   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9002   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9003
9004   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9005 }
9006
9007 static void ModifyEditorSelectboxOptions(int selectbox_id,
9008                                          struct ValueTextInfo *options)
9009 {
9010   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9011   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9012
9013   selectbox_info[selectbox_id].options = options;
9014
9015   // set index to zero -- list may be shorter now (correct later, if needed)
9016   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9017                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9018 }
9019
9020 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9021 {
9022   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9023   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9024
9025   drawingarea_info[drawingarea_id].area_xsize = xsize;
9026   drawingarea_info[drawingarea_id].area_ysize = ysize;
9027
9028   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9029 }
9030
9031 static void ModifyEditorElementList(void)
9032 {
9033   int i;
9034
9035   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9036     return;
9037
9038   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9039   {
9040     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9041     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9042     struct GadgetDesign *gd = &gi->deco.design;
9043     int element = editor_elements[element_shift + i];
9044     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9045
9046     UnmapGadget(gi);
9047
9048     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9049
9050     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9051
9052     MapGadget(gi);
9053   }
9054 }
9055
9056 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9057 {
9058   int graphic = el2edimg(element);
9059   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9060
9061   if (pos->x == -1 &&
9062       pos->y == -1)
9063     return;
9064
9065   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9066 }
9067
9068 static void ModifyDrawingElementButton(int element, int id)
9069 {
9070   struct GadgetInfo *gi = level_editor_gadget[id];
9071   Bitmap *deco_bitmap;
9072   int deco_x, deco_y;
9073   int tile_size = gi->deco.width;
9074
9075   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9076
9077   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9078 }
9079
9080 static void PickDrawingElement(int button, int element)
9081 {
9082   struct
9083   {
9084     int *new_element;
9085     struct XYTileSize *pos;
9086     int id;
9087   } de, drawing_elements[] =
9088   {
9089     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9090     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9091     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9092   };
9093
9094   if (button < 1 || button > 3)
9095     return;
9096
9097   if (IS_MM_WALL(element))
9098     element = map_mm_wall_element(element);
9099
9100   de = drawing_elements[button - 1];
9101
9102   *de.new_element = element;    // update global drawing element variable
9103
9104   DrawDrawingElementGraphic(element, de.pos);
9105   ModifyDrawingElementButton(element, de.id);
9106
9107   redraw_mask |= REDRAW_DOOR_1;
9108 }
9109
9110 static void RedrawDrawingElements(void)
9111 {
9112   PickDrawingElement(1, new_element1);
9113   PickDrawingElement(2, new_element2);
9114   PickDrawingElement(3, new_element3);
9115 }
9116
9117 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9118 {
9119   stick_element_properties_window = FALSE;
9120
9121   SetMainBackgroundImage(IMG_UNDEFINED);
9122   ClearField();
9123
9124   UnmapLevelEditorFieldGadgets();
9125
9126   AdjustDrawingAreaGadgets();
9127   AdjustLevelScrollPosition();
9128   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9129   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9130
9131   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9132
9133   MapMainDrawingArea();
9134
9135   if (remap_toolbox_gadgets)
9136   {
9137     UnmapLevelEditorToolboxCustomGadgets();
9138     MapLevelEditorToolboxDrawingGadgets();
9139   }
9140 }
9141
9142 static void DrawDrawingWindow(void)
9143 {
9144   DrawDrawingWindowExt(TRUE);
9145 }
9146
9147 static int getTabulatorBarWidth(void)
9148 {
9149   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9150   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9151
9152   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9153 }
9154
9155 static int getTabulatorBarHeight(void)
9156 {
9157   return ED_TAB_BAR_HEIGHT;
9158 }
9159
9160 static Pixel getTabulatorBarColor(void)
9161 {
9162   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9163   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9164   int gd_x = gd->x + gd_gi1->border.width / 2;
9165   int gd_y = gd->y + gd_gi1->height - 1;
9166
9167   return GetPixel(gd->bitmap, gd_x, gd_y);
9168 }
9169
9170 static void DrawLevelInfoTabulatorGadgets(void)
9171 {
9172   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9173   Pixel tab_color = getTabulatorBarColor();
9174   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9175   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9176   int i;
9177
9178   for (i = id_first; i <= id_last; i++)
9179   {
9180     int gadget_id = textbutton_info[i].gadget_id;
9181     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9182     boolean active = (i != edit_mode_levelinfo);
9183
9184     // draw background line below tabulator button
9185     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9186
9187     // draw solid line below inactive tabulator buttons
9188     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9189       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9190                     ED_GADGET_TINY_DISTANCE, tab_color);
9191
9192     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9193     MapTextbuttonGadget(i);
9194   }
9195
9196   // draw little border line below tabulator buttons
9197   if (tab_color != BLACK_PIXEL)                 // black => transparent
9198     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9199                   ED_GADGET_TINY_DISTANCE,
9200                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9201 }
9202
9203 static void DrawPropertiesTabulatorGadgets(void)
9204 {
9205   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9206   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9207   int gd_x = gd->x + gd_gi1->border.width / 2;
9208   int gd_y = gd->y + gd_gi1->height - 1;
9209   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9210   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9211   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9212   int i;
9213
9214   // draw two config tabulators for player elements
9215   if (IS_PLAYER_ELEMENT(properties_element))
9216     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9217
9218   // draw two config and one "change" tabulator for custom elements
9219   if (IS_CUSTOM_ELEMENT(properties_element))
9220     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9221
9222   for (i = id_first; i <= id_last; i++)
9223   {
9224     int gadget_id = textbutton_info[i].gadget_id;
9225     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9226     boolean active = (i != edit_mode_properties);
9227
9228     // use "config 1" and "config 2" instead of "config" for players and CEs
9229     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9230         (IS_PLAYER_ELEMENT(properties_element) ||
9231          IS_CUSTOM_ELEMENT(properties_element)))
9232       continue;
9233
9234     // draw background line below tabulator button
9235     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9236
9237     // draw solid line below inactive tabulator buttons
9238     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9239       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9240                     ED_GADGET_TINY_DISTANCE, tab_color);
9241
9242     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9243     MapTextbuttonGadget(i);
9244   }
9245
9246   // draw little border line below tabulator buttons
9247   if (tab_color != BLACK_PIXEL)                 // black => transparent
9248     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9249                   ED_GADGET_TINY_DISTANCE,
9250                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9251 }
9252
9253 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9254 {
9255   DrawText(SX + xpos, SY + ypos, text, font_nr);
9256 }
9257
9258 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9259                                            int xpos, int ypos)
9260 {
9261   int font_width = getFontWidth(font_nr);
9262   int font_height = getFontHeight(font_nr);
9263   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9264   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9265
9266   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9267                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9268                       TRUE, FALSE, FALSE);
9269 }
9270
9271 static void DrawLevelInfoLevel(void)
9272 {
9273   int i;
9274
9275   // draw counter gadgets
9276   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9277     MapCounterButtons(i);
9278
9279   // draw checkbutton gadgets
9280   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9281     MapCheckbuttonGadget(i);
9282
9283   // draw selectbox gadgets
9284   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9285     MapSelectboxGadget(i);
9286
9287   // draw text input gadgets
9288   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9289     MapTextInputGadget(i);
9290 }
9291
9292 static char *getLevelSubdirFromSaveMode(int save_mode)
9293 {
9294   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9295     return getNewUserLevelSubdir();
9296
9297   return leveldir_current->subdir;
9298 }
9299
9300 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9301 {
9302   char *directory_text = "Level set directory:";
9303   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9304   int font1_nr = FONT_TEXT_1;
9305   int font2_nr = FONT_TEXT_2;
9306   int font1_height = getFontHeight(font1_nr);
9307   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9308   int x = ED_LEVEL_SETTINGS_X(0);
9309   int y = ED_LEVEL_SETTINGS_Y(6);
9310
9311   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9312   PrintInfoText(directory_name, font2_nr, x, y);
9313 }
9314
9315 static void DrawLevelInfoLevelSet(void)
9316 {
9317   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9318   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9319   int i;
9320
9321   // draw counter gadgets
9322   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9323     MapCounterButtons(i);
9324
9325   // draw checkbutton gadgets
9326   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9327   {
9328     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9329         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9330         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9331       continue;
9332
9333     MapCheckbuttonGadget(i);
9334   }
9335
9336   // draw selectbox gadgets
9337   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9338     MapSelectboxGadget(i);
9339
9340   // draw text input gadgets
9341   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9342     MapTextInputGadget(i);
9343
9344   // draw textbutton gadgets
9345   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9346
9347   // draw info text
9348   DrawLevelInfoLevelSet_DirectoryInfo();
9349 }
9350
9351 static void DrawLevelInfoEditor(void)
9352 {
9353   int i;
9354
9355   // draw counter gadgets
9356   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9357     MapCounterButtons(i);
9358
9359   // draw checkbutton gadgets
9360   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9361     MapCheckbuttonGadget(i);
9362
9363   // draw radiobutton gadgets
9364   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9365     MapRadiobuttonGadget(i);
9366
9367   // draw drawing area
9368   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9369
9370   // draw textbutton gadgets
9371   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9372 }
9373
9374 static void DrawLevelInfoWindow(void)
9375 {
9376   char *text = "Global Settings";
9377   int font_nr = FONT_TITLE_1;
9378   struct MenuPosInfo *pos = &editor.settings.headline;
9379   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9380   int sy = SY + pos->y;
9381
9382   stick_element_properties_window = FALSE;
9383
9384   SetAutomaticNumberOfGemsNeeded();
9385
9386   UnmapLevelEditorFieldGadgets();
9387
9388   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9389   ClearField();
9390
9391   DrawText(sx, sy, text, font_nr);
9392
9393   DrawLevelInfoTabulatorGadgets();
9394
9395   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9396     DrawLevelInfoLevel();
9397   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9398     DrawLevelInfoLevelSet();
9399   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9400     DrawLevelInfoEditor();
9401 }
9402
9403 static void DrawCustomContentArea(void)
9404 {
9405   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9406   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9407   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9408   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9409   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9410   int xoffset = ED_GADGET_SPACE_DISTANCE;
9411
9412   // add distance for potential left text (without drawing area border)
9413   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9414
9415   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9416
9417   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9418 }
9419
9420 static void DrawCustomChangeContentArea(void)
9421 {
9422   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9423   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9424   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9425   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9426   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9427   int xoffset = ED_GADGET_SPACE_DISTANCE;
9428
9429   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9430
9431   MapDrawingArea(id);
9432 }
9433
9434 static void RemoveElementContentArea(int id, int font_height)
9435 {
9436   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9437
9438   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9439                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9440                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9441                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9442                  ED_GADGET_TEXT_DISTANCE + font_height);
9443 }
9444
9445 static void DrawYamYamContentAreas(void)
9446 {
9447   int font_nr = FONT_TEXT_1;
9448   int font_height = getFontHeight(font_nr);
9449   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9450   int yoffset = (tilesize - font_height) / 2;
9451   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9452   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9453   int i;
9454
9455   // display counter to choose number of element content areas
9456   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9457
9458   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9459   {
9460     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9461
9462     if (i < level.num_yamyam_contents)
9463     {
9464       MapDrawingArea(id);
9465     }
9466     else
9467     {
9468       UnmapDrawingArea(id);
9469
9470       // delete content areas in case of reducing number of them
9471       RemoveElementContentArea(id, font_height);
9472     }
9473   }
9474
9475   DrawText(x, y + 0 * tilesize, "content", font_nr);
9476   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9477   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9478 }
9479
9480 static void DrawMagicBallContentAreas(void)
9481 {
9482   int font_nr = FONT_TEXT_1;
9483   int font_height = getFontHeight(font_nr);
9484   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9485   int yoffset = (tilesize - font_height) / 2;
9486   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9487   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9488   int i;
9489
9490   // display counter to choose number of element content areas
9491   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9492
9493   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9494   {
9495     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9496
9497     if (i < level.num_ball_contents)
9498     {
9499       MapDrawingArea(id);
9500     }
9501     else
9502     {
9503       UnmapDrawingArea(id);
9504
9505       // delete content areas in case of reducing number of them
9506       RemoveElementContentArea(id, font_height);
9507     }
9508   }
9509
9510   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9511   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9512   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9513 }
9514
9515 static void DrawAndroidElementArea(int element)
9516 {
9517   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9518   int num_elements = level.num_android_clone_elements;
9519   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9520   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9521   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9522   int xsize = MAX_ANDROID_ELEMENTS;
9523   int ysize = 1;
9524
9525   // display counter to choose number of element areas
9526   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9527
9528   if (drawingarea_info[id].text_left != NULL)
9529     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9530
9531   UnmapDrawingArea(id);
9532
9533   ModifyEditorDrawingArea(id, num_elements, 1);
9534
9535   // delete content areas in case of reducing number of them
9536   DrawBackground(sx, sy,
9537                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9538                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9539
9540   MapDrawingArea(id);
9541 }
9542
9543 static void DrawGroupElementArea(int element)
9544 {
9545   int id = ED_DRAWING_ID_GROUP_CONTENT;
9546   int num_elements = group_element_info.num_elements;
9547   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9548   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9549   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9550   int xsize = MAX_ELEMENTS_IN_GROUP;
9551   int ysize = 1;
9552
9553   if (drawingarea_info[id].text_left != NULL)
9554     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9555
9556   UnmapDrawingArea(id);
9557
9558   ModifyEditorDrawingArea(id, num_elements, 1);
9559
9560   // delete content areas in case of reducing number of them
9561   DrawBackground(sx, sy,
9562                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9563                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9564
9565   MapDrawingArea(id);
9566 }
9567
9568 static void DrawPlayerInitialInventoryArea(int element)
9569 {
9570   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9571   int player_nr = GET_PLAYER_NR(element);
9572   int num_elements = level.initial_inventory_size[player_nr];
9573   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9574   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9575   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9576   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9577   int ysize = 1;
9578
9579   // determine horizontal position to the right of specified gadget
9580   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9581     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9582           ED_DRAWINGAREA_TEXT_DISTANCE);
9583
9584   // determine horizontal offset for leading text
9585   if (drawingarea_info[id].text_left != NULL)
9586     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9587
9588   UnmapDrawingArea(id);
9589
9590   ModifyEditorDrawingArea(id, num_elements, 1);
9591
9592   // delete content areas in case of reducing number of them
9593   DrawBackground(sx, sy,
9594                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9595                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9596
9597   MapDrawingArea(id);
9598 }
9599
9600 static void DrawEnvelopeTextArea(int envelope_nr)
9601 {
9602   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9603   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9604
9605   UnmapGadget(gi);
9606   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9607
9608   if (envelope_nr != -1)
9609     textarea_info[id].value = level.envelope[envelope_nr].text;
9610
9611   ModifyGadget(gi, GDI_AREA_SIZE,
9612                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9613                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9614                GDI_END);
9615
9616   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9617 }
9618
9619 static void DrawPropertiesInfo(void)
9620 {
9621   static struct
9622   {
9623     int value;
9624     char *text;
9625   }
9626   properties[] =
9627   {
9628     // configurable properties
9629
9630     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9631     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9632     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9633     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9634     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9635     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9636     { EP_PROTECTED,             "- player is protected by it"           },
9637
9638     { EP_DIGGABLE,              "- can be digged away"                  },
9639     { EP_COLLECTIBLE,           "- can be collected"                    },
9640     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9641     { EP_THROWABLE,             "- can be thrown after collecting"      },
9642     { EP_PUSHABLE,              "- can be pushed"                       },
9643
9644     { EP_CAN_FALL,              "- can fall"                            },
9645     { EP_CAN_MOVE,              "- can move"                            },
9646
9647     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9648 #if 0
9649     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9650 #endif
9651     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9652
9653     { EP_SLIPPERY,              "- slippery for falling elements"       },
9654     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9655
9656     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9657     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9658     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9659     { EP_DONT_TOUCH,            "- deadly when touching"                },
9660
9661     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9662
9663     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9664     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9665     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9666
9667     { EP_CAN_CHANGE,            "- can change to other element"         },
9668
9669     // pre-defined properties
9670     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9671     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9672     { EP_SWITCHABLE,            "- can be switched"                     },
9673 #if 0
9674     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9675 #endif
9676
9677     { -1,                       NULL                                    }
9678   };
9679   char *filename = getElementDescriptionFilename(properties_element);
9680   char *percentage_text = "In this level: ";
9681   char *properties_text = "Standard properties: ";
9682   char *description_text = "Description:";
9683   char *no_description_text = "No description available.";
9684   char *none_text = "None";
9685   float percentage;
9686   int num_elements_in_level;
9687   int num_standard_properties = 0;
9688   int font1_nr = FONT_TEXT_1;
9689   int font2_nr = FONT_TEXT_2;
9690   int font1_width = getFontWidth(font1_nr);
9691   int font1_height = getFontHeight(font1_nr);
9692   int font2_height = getFontHeight(font2_nr);
9693   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9694   int font2_yoffset = (font1_height - font2_height) / 2;
9695   int percentage_text_len = strlen(percentage_text) * font1_width;
9696   int properties_text_len = strlen(properties_text) * font1_width;
9697   int xpos = ED_ELEMENT_SETTINGS_X(0);
9698   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9699   int i, x, y;
9700
9701   if (setup.editor.show_element_token)
9702   {
9703     int font3_nr = FONT_TEXT_3;
9704     int font3_height = getFontHeight(font3_nr);
9705
9706     DrawTextF(xpos, ypos, font3_nr,
9707               "[%s]", element_info[properties_element].token_name);
9708
9709     ypos += 2 * font3_height;
9710   }
9711
9712   // ----- print number of elements / percentage of this element in level
9713
9714   num_elements_in_level = 0;
9715   for (y = 0; y < lev_fieldy; y++)
9716     for (x = 0; x < lev_fieldx; x++)
9717       if (Tile[x][y] == properties_element)
9718         num_elements_in_level++;
9719   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9720
9721   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9722
9723   if (num_elements_in_level > 0)
9724     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9725               "%d (%.2f %%)", num_elements_in_level, percentage);
9726   else
9727     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9728               none_text);
9729
9730   ypos += 2 * MAX(font1_height, font2_height);
9731
9732   // ----- print standard properties of this element
9733
9734   DrawTextS(xpos, ypos, font1_nr, properties_text);
9735
9736   ypos += line1_height;
9737
9738   for (i = 0; properties[i].value != -1; i++)
9739   {
9740     if (!HAS_PROPERTY(properties_element, properties[i].value))
9741       continue;
9742
9743     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9744
9745     ypos += font2_height;
9746
9747     num_standard_properties++;
9748   }
9749
9750   if (num_standard_properties == 0)
9751   {
9752     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9753               font2_nr, none_text);
9754
9755     ypos -= (line1_height - font1_height);
9756   }
9757
9758   ypos += MAX(font1_height, font2_height);
9759
9760   // ----- print special description of this element
9761
9762   PrintInfoText(description_text, font1_nr, xpos, ypos);
9763
9764   ypos += line1_height;
9765
9766   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9767     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9768 }
9769
9770 #define TEXT_COLLECTING         "Score for collecting"
9771 #define TEXT_SMASHING           "Score for smashing"
9772 #define TEXT_SLURPING           "Score for slurping robot"
9773 #define TEXT_CRACKING           "Score for cracking"
9774 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9775 #define TEXT_DURATION           "Duration when activated"
9776 #define TEXT_DELAY_ON           "Delay before activating"
9777 #define TEXT_DELAY_OFF          "Delay before deactivating"
9778 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9779 #define TEXT_DELAY_MOVING       "Delay before moving"
9780 #define TEXT_BALL_DELAY         "Element generation delay"
9781 #define TEXT_MOVE_SPEED         "Speed of android moving"
9782 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9783 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9784 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9785 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9786 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9787 #define TEXT_TIME_BONUS         "Extra time to solve level"
9788
9789 static struct
9790 {
9791   int element;
9792   int *value;
9793   char *text;
9794 } elements_with_counter[] =
9795 {
9796   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9797   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9798   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9799   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9800   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9801   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9802   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9803   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9804   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9805   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9806   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9807   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9808   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9809   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9810   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9811   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9812   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9813   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9814   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9815   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9816   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9817   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9818   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9819   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9820   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9821   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9822   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9823   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9824   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9825   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9826   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9827   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9828   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9829   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9830   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9831   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9832   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9833   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9834   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9835   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9836   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9837   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9838   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9839   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9840   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9841   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9842   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9843   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9844   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9845   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9846   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9847   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9848   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9849   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9850   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9851   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9852   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9853   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9854   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9855   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9856   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9857   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9858   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9859   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9860   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9861   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9862   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9863   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9864   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9865   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9866   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9867   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9868   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9869   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9870   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9871   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9872   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9873   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9874   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9875   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9876   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9877   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9878   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9879
9880   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9881   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9882   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9883   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9884   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9885   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9886   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9887   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9888   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9889   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9890   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9891   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9892   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9893   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9894   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9895   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9896
9897   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9898   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9899   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9900   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9901   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9902   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9903   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9904   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9905   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9906   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9907   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9908   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9909   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9910   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9911   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9912
9913   { -1,                 NULL,                           NULL            }
9914 };
9915
9916 static boolean checkPropertiesConfig(int element)
9917 {
9918   int i;
9919
9920   if (IS_GEM(element) ||
9921       IS_CUSTOM_ELEMENT(element) ||
9922       IS_GROUP_ELEMENT(element) ||
9923       IS_EMPTY_ELEMENT(element) ||
9924       IS_BALLOON_ELEMENT(element) ||
9925       IS_ENVELOPE(element) ||
9926       IS_MM_MCDUFFIN(element) ||
9927       IS_DF_LASER(element) ||
9928       IS_PLAYER_ELEMENT(element) ||
9929       HAS_EDITOR_CONTENT(element) ||
9930       CAN_GROW(element) ||
9931       COULD_MOVE_INTO_ACID(element) ||
9932       MAYBE_DONT_COLLIDE_WITH(element) ||
9933       element == EL_SOKOBAN_OBJECT ||
9934       element == EL_SOKOBAN_FIELD_EMPTY ||
9935       element == EL_SOKOBAN_FIELD_FULL)
9936     return TRUE;
9937   else
9938     for (i = 0; elements_with_counter[i].element != -1; i++)
9939       if (elements_with_counter[i].element == element)
9940         return TRUE;
9941
9942   return FALSE;
9943 }
9944
9945 static void SetAutomaticNumberOfGemsNeeded(void)
9946 {
9947   int x, y;
9948
9949   if (!level.auto_count_gems)
9950     return;
9951
9952   level.gems_needed = 0;
9953
9954   for (x = 0; x < lev_fieldx; x++)
9955   {
9956     for (y = 0; y < lev_fieldy; y++)
9957     {
9958       int element = Tile[x][y];
9959
9960       switch (element)
9961       {
9962         case EL_EMERALD:
9963         case EL_EMERALD_YELLOW:
9964         case EL_EMERALD_RED:
9965         case EL_EMERALD_PURPLE:
9966         case EL_BD_DIAMOND:
9967         case EL_WALL_EMERALD:
9968         case EL_WALL_EMERALD_YELLOW:
9969         case EL_WALL_EMERALD_RED:
9970         case EL_WALL_EMERALD_PURPLE:
9971         case EL_WALL_BD_DIAMOND:
9972         case EL_NUT:
9973         case EL_SP_INFOTRON:
9974         case EL_MM_KETTLE:
9975         case EL_DF_CELL:
9976           level.gems_needed++;
9977           break;
9978
9979         case EL_DIAMOND:
9980         case EL_WALL_DIAMOND:
9981           level.gems_needed += 3;
9982           break;
9983
9984         case EL_PEARL:
9985         case EL_WALL_PEARL:
9986           level.gems_needed += 5;
9987           break;
9988
9989         case EL_CRYSTAL:
9990         case EL_WALL_CRYSTAL:
9991           level.gems_needed += 8;
9992           break;
9993
9994         default:
9995           break;
9996       }
9997     }
9998   }
9999
10000   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10001 }
10002
10003 static void DrawPropertiesConfig(void)
10004 {
10005   boolean draw_footer_line = FALSE;
10006   int max_num_element_counters = 4;
10007   int num_element_counters = 0;
10008   int i;
10009
10010   if (!checkPropertiesConfig(properties_element))
10011   {
10012     int xpos = ED_ELEMENT_SETTINGS_X(0);
10013     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10014
10015     PrintInfoText("No configuration options available.",
10016                   FONT_TEXT_1, xpos, ypos);
10017
10018     return;
10019   }
10020
10021   // check if there are elements where a value can be chosen for
10022   for (i = 0; elements_with_counter[i].element != -1; i++)
10023   {
10024     if (elements_with_counter[i].element == properties_element)
10025     {
10026       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10027
10028       counterbutton_info[counter_id].y =
10029         ED_ELEMENT_SETTINGS_YPOS(
10030                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10031                 (CAN_GROW(properties_element)                ? 1 : 0) +
10032                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10033                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10034                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10035                 num_element_counters);
10036
10037       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10038       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
10039
10040       if (properties_element == EL_GAME_OF_LIFE ||
10041           properties_element == EL_BIOMAZE)
10042       {
10043         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10044         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10045       }
10046       else
10047       {
10048         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10049         counterbutton_info[counter_id].min_value = MIN_SCORE;
10050         counterbutton_info[counter_id].max_value = MAX_SCORE;
10051       }
10052
10053       MapCounterButtons(counter_id);
10054
10055       num_element_counters++;
10056       if (num_element_counters >= max_num_element_counters)
10057         break;
10058     }
10059   }
10060
10061   if (HAS_EDITOR_CONTENT(properties_element))
10062   {
10063     // draw stickybutton gadget
10064     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10065
10066     if (IS_AMOEBOID(properties_element))
10067       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10068     else if (properties_element == EL_YAMYAM ||
10069              properties_element == EL_YAMYAM_LEFT ||
10070              properties_element == EL_YAMYAM_RIGHT ||
10071              properties_element == EL_YAMYAM_UP ||
10072              properties_element == EL_YAMYAM_DOWN)
10073       DrawYamYamContentAreas();
10074     else if (properties_element == EL_EMC_MAGIC_BALL)
10075     {
10076       DrawMagicBallContentAreas();
10077
10078       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10079       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10080     }
10081     else if (properties_element == EL_EMC_ANDROID)
10082       DrawAndroidElementArea(properties_element);
10083   }
10084
10085   if (IS_PLAYER_ELEMENT(properties_element))
10086   {
10087     int player_nr = GET_PLAYER_NR(properties_element);
10088
10089     // these properties can be set for every player individually
10090
10091     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10092     {
10093       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10094         &level.start_element[player_nr];
10095       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10096         &level.artwork_element[player_nr];
10097       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10098         &level.explosion_element[player_nr];
10099
10100       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10101         &level.use_start_element[player_nr];
10102       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10103         &level.use_artwork_element[player_nr];
10104       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10105         &level.use_explosion_element[player_nr];
10106       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10107         &level.initial_player_gravity[player_nr];
10108
10109       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10110         &level.initial_player_stepsize[player_nr];
10111
10112       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10113       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10114                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10115                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10116       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10117       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10118       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10119       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10120       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10121       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10122       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10123       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10124       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10125       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10126       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10127
10128       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10129       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10130       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10131
10132       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
10133     }
10134     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10135     {
10136       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
10137         &level.initial_inventory_content[player_nr][0];
10138
10139       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
10140         &level.initial_inventory_size[player_nr];
10141
10142       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
10143         &level.use_initial_inventory[player_nr];
10144
10145       // draw checkbutton gadgets
10146       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
10147       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
10148       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
10149
10150       // draw counter gadgets
10151       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
10152
10153       // draw drawing area gadgets
10154       DrawPlayerInitialInventoryArea(properties_element);
10155     }
10156   }
10157
10158   if (IS_GEM(properties_element))
10159     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
10160
10161   if (properties_element == EL_EM_DYNAMITE)
10162     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10163
10164   if (COULD_MOVE_INTO_ACID(properties_element) &&
10165       !IS_PLAYER_ELEMENT(properties_element) &&
10166       (!IS_CUSTOM_ELEMENT(properties_element) ||
10167        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10168   {
10169     // set position for checkbutton for "can move into acid"
10170     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10171       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10172     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10173       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
10174                                IS_BALLOON_ELEMENT(properties_element) ||
10175                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10176
10177     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10178   }
10179
10180   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10181     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10182
10183   if (properties_element == EL_SPRING ||
10184       properties_element == EL_SPRING_LEFT ||
10185       properties_element == EL_SPRING_RIGHT)
10186     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10187
10188   if (properties_element == EL_TIME_ORB_FULL)
10189     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10190
10191   if (properties_element == EL_GAME_OF_LIFE ||
10192       properties_element == EL_BIOMAZE)
10193     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10194
10195   if (CAN_GROW(properties_element))
10196   {
10197     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10198       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10199
10200     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10201   }
10202
10203   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10204     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10205
10206   if (properties_element == EL_SOKOBAN_OBJECT)
10207     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10208
10209   if (properties_element == EL_SOKOBAN_OBJECT ||
10210       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10211       properties_element == EL_SOKOBAN_FIELD_FULL)
10212   {
10213     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10214       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10215                                0 : 1);
10216
10217     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10218   }
10219
10220   if (IS_BALLOON_ELEMENT(properties_element))
10221     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10222
10223   if (IS_ENVELOPE(properties_element))
10224   {
10225     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10226     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10227     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10228     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10229     int envelope_nr = properties_element - EL_ENVELOPE_1;
10230
10231     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10232     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10233
10234     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10235     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10236
10237     // display counter to choose size of envelope text area
10238     MapCounterButtons(counter1_id);
10239     MapCounterButtons(counter2_id);
10240
10241     // display checkbuttons to choose auto-wrap and alignment properties
10242     MapCheckbuttonGadget(button1_id);
10243     MapCheckbuttonGadget(button2_id);
10244
10245     DrawEnvelopeTextArea(envelope_nr);
10246   }
10247
10248   if (IS_MM_MCDUFFIN(properties_element))
10249   {
10250     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10251     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10252     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10253   }
10254
10255   if (IS_DF_LASER(properties_element))
10256   {
10257     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10258     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10259     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10260   }
10261
10262   if (IS_CUSTOM_ELEMENT(properties_element))
10263   {
10264     // draw stickybutton gadget
10265     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10266
10267     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10268     {
10269       // draw checkbutton gadgets
10270       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10271            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10272         MapCheckbuttonGadget(i);
10273
10274       // draw counter gadgets
10275       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10276            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10277         MapCounterButtons(i);
10278
10279       // draw selectbox gadgets
10280       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10281            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10282         MapSelectboxGadget(i);
10283
10284       // draw textbutton gadgets
10285       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10286
10287       // draw text input gadgets
10288       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10289
10290       // draw drawing area gadgets
10291       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10292
10293       draw_footer_line = TRUE;
10294     }
10295     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10296     {
10297       // draw checkbutton gadgets
10298       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10299            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10300         MapCheckbuttonGadget(i);
10301
10302       // draw counter gadgets
10303       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10304            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10305         MapCounterButtons(i);
10306
10307       // draw selectbox gadgets
10308       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10309            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10310         MapSelectboxGadget(i);
10311
10312       // draw drawing area gadgets
10313       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10314       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10315       DrawCustomContentArea();
10316     }
10317   }
10318   else if (IS_GROUP_ELEMENT(properties_element))
10319   {
10320     // draw stickybutton gadget
10321     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10322
10323     // draw checkbutton gadgets
10324     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10325     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10326
10327     // draw counter gadgets
10328     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10329
10330     // draw selectbox gadgets
10331     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10332
10333     // draw textbutton gadgets
10334     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10335
10336     // draw drawing area gadgets
10337     DrawGroupElementArea(properties_element);
10338
10339     // draw text input gadgets
10340     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10341
10342     // draw drawing area gadgets
10343     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10344
10345     draw_footer_line = TRUE;
10346   }
10347   else if (IS_EMPTY_ELEMENT(properties_element))
10348   {
10349     // draw stickybutton gadget
10350     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10351
10352     // draw checkbutton gadgets
10353     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10354     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10355
10356     // draw textbutton gadgets
10357     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10358
10359     // draw drawing area gadgets
10360     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10361
10362     draw_footer_line = TRUE;
10363   }
10364
10365   // draw little footer border line above CE/GE use/save template gadgets
10366   if (draw_footer_line)
10367   {
10368     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10369     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10370     int gd_x = gd->x + gd_gi1->border.width / 2;
10371     int gd_y = gd->y + gd_gi1->height - 1;
10372     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10373
10374     if (tab_color != BLACK_PIXEL)               // black => transparent
10375       FillRectangle(drawto,
10376                     SX + ED_ELEMENT_SETTINGS_X(0),
10377                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10378                     ED_TAB_BAR_HEIGHT,
10379                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10380   }
10381 }
10382
10383 static void DrawPropertiesChangeDrawingAreas(void)
10384 {
10385   if (IS_CUSTOM_ELEMENT(properties_element))
10386   {
10387     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10388     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10389     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10390
10391     DrawCustomChangeContentArea();
10392   }
10393
10394   redraw_mask |= REDRAW_FIELD;
10395 }
10396
10397 static void DrawPropertiesChange(void)
10398 {
10399   int i;
10400
10401   // needed to initially set selectbox options for special action options
10402   setSelectboxSpecialActionOptions();
10403
10404   // draw stickybutton gadget
10405   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10406
10407   // draw checkbutton gadgets
10408   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10409        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10410     MapCheckbuttonGadget(i);
10411
10412   // draw counter gadgets
10413   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10414        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10415     MapCounterButtons(i);
10416
10417   // draw selectbox gadgets
10418   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10419        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10420     MapSelectboxGadget(i);
10421
10422   // draw textbutton gadgets
10423   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10424        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10425     MapTextbuttonGadget(i);
10426
10427   // draw graphicbutton gadgets
10428   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10429        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10430     MapGraphicbuttonGadget(i);
10431
10432   // draw drawing area gadgets
10433   DrawPropertiesChangeDrawingAreas();
10434 }
10435
10436 static void DrawEditorElementAnimation(int x, int y)
10437 {
10438   int graphic = el2img(properties_element);
10439   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10440                custom_element.ce_value_fixed_initial :
10441                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10442                custom_element.collect_score_initial : FrameCounter);
10443
10444   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10445 }
10446
10447 static void DrawEditorElementName(int x, int y, int font_nr)
10448 {
10449   char *element_name = getElementInfoText(properties_element);
10450   int font_width = getFontWidth(font_nr);
10451   int font_height = getFontHeight(font_nr);
10452   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10453   int max_chars_per_line = max_text_width / font_width;
10454   char buffer[max_chars_per_line + 1];
10455
10456   if (strlen(element_name) <= max_chars_per_line)
10457     DrawTextS(x, y, font_nr, element_name);
10458   else
10459   {
10460     int next_pos = max_chars_per_line;
10461
10462     strncpy(buffer, element_name, max_chars_per_line);
10463     buffer[max_chars_per_line] = '\0';
10464
10465     if (element_name[max_chars_per_line] == ' ')
10466       next_pos++;
10467     else
10468     {
10469       int i;
10470
10471       for (i = max_chars_per_line - 1; i >= 0; i--)
10472         if (buffer[i] == ' ')
10473           break;
10474
10475       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10476       {
10477         buffer[i] = '\0';
10478         next_pos = i + 1;
10479       }
10480     }
10481
10482     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10483
10484     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10485     buffer[max_chars_per_line] = '\0';
10486
10487     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10488   }
10489 }
10490
10491 static void DrawPropertiesWindow(void)
10492 {
10493   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10494   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10495   int border_size = gd->border_size;
10496   int font_nr = FONT_TEXT_1;
10497   int font_height = getFontHeight(font_nr);
10498   int xoffset = TILEX + element_border + 3 * border_size;
10499   int yoffset = (TILEY - font_height) / 2;
10500   int x1 = editor.settings.element_graphic.x + element_border;
10501   int y1 = editor.settings.element_graphic.y + element_border;
10502   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10503             editor.settings.element_name.x);
10504   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10505             editor.settings.element_name.y);
10506   char *text = "Element Settings";
10507   int font2_nr = FONT_TITLE_1;
10508   struct MenuPosInfo *pos = &editor.settings.headline;
10509   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10510   int sy = SY + pos->y;
10511
10512   stick_element_properties_window = FALSE;
10513
10514   // make sure that previous properties edit mode exists for this element
10515   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10516       !IS_CUSTOM_ELEMENT(properties_element))
10517     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10518
10519   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10520       !IS_PLAYER_ELEMENT(properties_element) &&
10521       !IS_CUSTOM_ELEMENT(properties_element))
10522     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10523
10524   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10525       (IS_PLAYER_ELEMENT(properties_element) ||
10526        IS_CUSTOM_ELEMENT(properties_element)))
10527     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10528
10529   CopyElementPropertiesToEditor(properties_element);
10530
10531   UnmapLevelEditorFieldGadgets();
10532   UnmapLevelEditorToolboxDrawingGadgets();
10533   UnmapLevelEditorToolboxCustomGadgets();
10534
10535   if (IS_CUSTOM_ELEMENT(properties_element) ||
10536       IS_GROUP_ELEMENT(properties_element))
10537     MapLevelEditorToolboxCustomGadgets();
10538
10539   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10540   ClearField();
10541
10542   DrawText(sx, sy, text, font2_nr);
10543
10544   FrameCounter = 0;     // restart animation frame counter
10545
10546   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10547   DrawEditorElementAnimation(SX + x1, SY + y1);
10548   DrawEditorElementName(x2, y2, font_nr);
10549
10550   DrawPropertiesTabulatorGadgets();
10551
10552   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10553     DrawPropertiesInfo();
10554   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10555     DrawPropertiesChange();
10556   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10557     DrawPropertiesConfig();
10558 }
10559
10560 static void DrawPaletteWindow(void)
10561 {
10562   int i;
10563
10564   UnmapLevelEditorFieldGadgets();
10565
10566   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10567   ClearField();
10568
10569   // map buttons to select elements
10570   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10571     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10572   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10573   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10574   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10575 }
10576
10577 static void UpdateCustomElementGraphicGadgets(void)
10578 {
10579   int i;
10580
10581   InitElementPropertiesGfxElement();
10582
10583   ModifyEditorElementList();
10584   RedrawDrawingElements();
10585
10586   // force redraw of all mapped drawing area gadgets
10587   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10588   {
10589     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10590
10591     if (gi->mapped)
10592       MapDrawingArea(i);
10593   }
10594 }
10595
10596 static int getOpenDirectionFromTube(int element)
10597 {
10598   switch (element)
10599   {
10600     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10601     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10602     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10603     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10604     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10605     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10606     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10607     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10608     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10609     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10610     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10611   }
10612
10613   return MV_NONE;
10614 }
10615
10616 static int getTubeFromOpenDirection(int direction)
10617 {
10618   switch (direction)
10619   {
10620     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10621     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10622     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10623     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10624     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10625     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10626     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10627     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10628     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10629     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10630     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10631
10632     // if only one direction, fall back to simple tube with that direction
10633     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10634     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10635     case (MV_UP):                       return EL_TUBE_VERTICAL;
10636     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10637   }
10638
10639   return EL_EMPTY;
10640 }
10641
10642 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10643 {
10644   int element_new = getTubeFromOpenDirection(direction);
10645
10646   return (element_new != EL_EMPTY ? element_new : element_old);
10647 }
10648
10649 static int getOpenDirectionFromBelt(int element)
10650 {
10651   int belt_dir = getBeltDirFromBeltElement(element);
10652
10653   return (belt_dir == MV_LEFT ? MV_RIGHT :
10654           belt_dir == MV_RIGHT ? MV_LEFT :
10655           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10656 }
10657
10658 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10659 {
10660   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10661                   direction == MV_RIGHT ? MV_LEFT :
10662                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10663
10664   if (direction == MV_NONE)
10665     return EL_EMPTY;
10666
10667   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10668 }
10669
10670 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10671                                                  int element_old)
10672 {
10673   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10674
10675   return (element_new != EL_EMPTY ? element_new : element_old);
10676 }
10677
10678 static int getOpenDirectionFromPool(int element)
10679 {
10680   switch (element)
10681   {
10682     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10683     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10684     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10685     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10686     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10687     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10688   }
10689
10690   return MV_NONE;
10691 }
10692
10693 static int getPoolFromOpenDirection(int direction)
10694 {
10695   switch (direction)
10696   {
10697     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10698     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10699     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10700     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10701     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10702     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10703   }
10704
10705   return EL_EMPTY;
10706 }
10707
10708 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10709 {
10710   int element = getPoolFromOpenDirection(direction);
10711   int help_direction = getOpenDirectionFromPool(help_element);
10712
10713   if (element == EL_EMPTY)
10714   {
10715     int help_direction_vertical = help_direction & MV_VERTICAL;
10716
10717     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10718   }
10719
10720   if (element == EL_EMPTY)
10721   {
10722     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10723
10724     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10725   }
10726
10727   return element;
10728 }
10729
10730 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10731 {
10732   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10733
10734   return (element_new != EL_EMPTY ? element_new : element_old);
10735 }
10736
10737 static int getOpenDirectionFromPillar(int element)
10738 {
10739   switch (element)
10740   {
10741     case EL_EMC_WALL_1:                 return (MV_DOWN);
10742     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10743     case EL_EMC_WALL_3:                 return (MV_UP);
10744   }
10745
10746   return MV_NONE;
10747 }
10748
10749 static int getPillarFromOpenDirection(int direction)
10750 {
10751   switch (direction)
10752   {
10753     case (MV_DOWN):                     return EL_EMC_WALL_1;
10754     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10755     case (MV_UP):                       return EL_EMC_WALL_3;
10756   }
10757
10758   return EL_EMPTY;
10759 }
10760
10761 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10762 {
10763   int element_new = getPillarFromOpenDirection(direction);
10764
10765   return (element_new != EL_EMPTY ? element_new : element_old);
10766 }
10767
10768 static int getOpenDirectionFromSteel2(int element)
10769 {
10770   switch (element)
10771   {
10772     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10773     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10774     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10775     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10776     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10777     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10778     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10779     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10780   }
10781
10782   return MV_NONE;
10783 }
10784
10785 static int getSteel2FromOpenDirection(int direction)
10786 {
10787   switch (direction)
10788   {
10789     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10790     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10791     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10792     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10793     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10794     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10795     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10796     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10797   }
10798
10799   return EL_EMPTY;
10800 }
10801
10802 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10803 {
10804   int element_new = getSteel2FromOpenDirection(direction);
10805
10806   return (element_new != EL_EMPTY ? element_new : element_old);
10807 }
10808
10809 static int getOpenDirectionFromChip(int element)
10810 {
10811   switch (element)
10812   {
10813     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10814     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10815     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10816     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10817     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10818   }
10819
10820   return MV_NONE;
10821 }
10822
10823 static int getChipFromOpenDirection(int direction)
10824 {
10825   switch (direction)
10826   {
10827     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10828     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10829     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10830     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10831     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10832   }
10833
10834   return EL_EMPTY;
10835 }
10836
10837 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10838 {
10839   int element_new = getChipFromOpenDirection(direction);
10840
10841   return (element_new != EL_EMPTY ? element_new : element_old);
10842 }
10843
10844 static int getClosedTube(int x, int y)
10845 {
10846   struct XY *xy = xy_directions;
10847   int element_old = IntelliDrawBuffer[x][y];
10848   int direction_old = getOpenDirectionFromTube(element_old);
10849   int direction_new = MV_NONE;
10850   int i;
10851
10852   for (i = 0; i < NUM_DIRECTIONS; i++)
10853   {
10854     int xx = x + xy[i].x;
10855     int yy = y + xy[i].y;
10856     int dir = MV_DIR_FROM_BIT(i);
10857     int dir_opposite = MV_DIR_OPPOSITE(dir);
10858
10859     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10860         (direction_old & dir) &&
10861         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10862       direction_new |= dir;
10863   }
10864
10865   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10866 }
10867
10868 static int getClosedBelt(int x, int y)
10869 {
10870   struct XY *xy = xy_directions;
10871   int element_old = IntelliDrawBuffer[x][y];
10872   int nr = getBeltNrFromBeltElement(element_old);
10873   int direction_old = getOpenDirectionFromBelt(element_old);
10874   int direction_new = MV_NONE;
10875   int i;
10876
10877   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10878   {
10879     int xx = x + xy[i].x;
10880     int yy = y + xy[i].y;
10881     int dir = MV_DIR_FROM_BIT(i);
10882     int dir_opposite = MV_DIR_OPPOSITE(dir);
10883
10884     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10885         (direction_old & dir) &&
10886         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10887       direction_new |= dir;
10888   }
10889
10890   return getBeltFromNrAndOpenDirection(nr, direction_new);
10891 }
10892
10893 static int getClosedPool(int x, int y)
10894 {
10895   struct XY *xy = xy_directions;
10896   int element_old = IntelliDrawBuffer[x][y];
10897   int direction_old = getOpenDirectionFromPool(element_old);
10898   int direction_new = MV_NONE;
10899   int i;
10900
10901   for (i = 0; i < NUM_DIRECTIONS; i++)
10902   {
10903     int xx = x + xy[i].x;
10904     int yy = y + xy[i].y;
10905     int dir = MV_DIR_FROM_BIT(i);
10906     int dir_opposite = MV_DIR_OPPOSITE(dir);
10907
10908     if (IN_LEV_FIELD(xx, yy) &&
10909         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10910         (direction_old & dir) &&
10911         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10912       direction_new |= dir;
10913   }
10914
10915   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10916 }
10917
10918 static int getClosedPillar(int x, int y)
10919 {
10920   struct XY *xy = xy_directions;
10921   int element_old = IntelliDrawBuffer[x][y];
10922   int direction_old = getOpenDirectionFromPillar(element_old);
10923   int direction_new = MV_NONE;
10924   int i;
10925
10926   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10927   {
10928     int xx = x + xy[i].x;
10929     int yy = y + xy[i].y;
10930     int dir = MV_DIR_FROM_BIT(i);
10931     int dir_opposite = MV_DIR_OPPOSITE(dir);
10932
10933     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10934         (direction_old & dir) &&
10935         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10936       direction_new |= dir;
10937   }
10938
10939   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10940 }
10941
10942 static int getClosedSteel2(int x, int y)
10943 {
10944   struct XY *xy = xy_directions;
10945   int element_old = IntelliDrawBuffer[x][y];
10946   int direction_old = getOpenDirectionFromSteel2(element_old);
10947   int direction_new = MV_NONE;
10948   int i;
10949
10950   for (i = 0; i < NUM_DIRECTIONS; i++)
10951   {
10952     int xx = x + xy[i].x;
10953     int yy = y + xy[i].y;
10954     int dir = MV_DIR_FROM_BIT(i);
10955     int dir_opposite = MV_DIR_OPPOSITE(dir);
10956
10957     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10958         (direction_old & dir) &&
10959         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10960       direction_new |= dir;
10961   }
10962
10963   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10964 }
10965
10966 static int getClosedChip(int x, int y)
10967 {
10968   struct XY *xy = xy_directions;
10969   int element_old = IntelliDrawBuffer[x][y];
10970   int direction_old = getOpenDirectionFromChip(element_old);
10971   int direction_new = MV_NONE;
10972   int i;
10973
10974   for (i = 0; i < NUM_DIRECTIONS; i++)
10975   {
10976     int xx = x + xy[i].x;
10977     int yy = y + xy[i].y;
10978     int dir = MV_DIR_FROM_BIT(i);
10979     int dir_opposite = MV_DIR_OPPOSITE(dir);
10980
10981     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10982         (direction_old & dir) &&
10983         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10984       direction_new |= dir;
10985   }
10986
10987   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10988 }
10989
10990 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10991                                 boolean change_level)
10992 {
10993   int sx = x - level_xpos;
10994   int sy = y - level_ypos;
10995   int old_element = Tile[x][y];
10996   int new_element = element;
10997   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10998   boolean draw_masked = FALSE;
10999
11000   if (IS_MM_WALL_EDITOR(element))
11001   {
11002     element = map_mm_wall_element_editor(element) | new_bitmask;
11003
11004     if (IS_MM_WALL(old_element))
11005       element |= MM_WALL_BITS(old_element);
11006
11007     if (!change_level)
11008       draw_masked = TRUE;
11009   }
11010   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11011   {
11012     int element_changed = old_element & ~new_bitmask;
11013
11014     if (MM_WALL_BITS(element_changed) != 0)
11015       element = element_changed;
11016   }
11017
11018   IntelliDrawBuffer[x][y] = element;
11019
11020   if (change_level)
11021     Tile[x][y] = element;
11022
11023   if (IN_ED_FIELD(sx, sy))
11024   {
11025     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11026       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11027     else if (draw_masked)
11028       DrawEditorElementThruMask(sx, sy, element);
11029     else
11030       DrawEditorElement(sx, sy, element);
11031   }
11032 }
11033
11034 static void SetElementSimple(int x, int y, int element, boolean change_level)
11035 {
11036   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11037 }
11038
11039 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11040                                            int x2, int y2, int *element2,
11041                                            int (*close_function)(int, int),
11042                                            boolean change_level)
11043 {
11044   // set neighbour elements to newly determined connections
11045   SetElementSimple(x1, y1, *element1, change_level);
11046   SetElementSimple(x2, y2, *element2, change_level);
11047
11048   // remove all open connections of neighbour elements
11049   *element1 = close_function(x1, y1);
11050   *element2 = close_function(x2, y2);
11051
11052   // set neighbour elements to new, minimized connections
11053   SetElementSimple(x1, y1, *element1, change_level);
11054   SetElementSimple(x2, y2, *element2, change_level);
11055 }
11056
11057 static void SetElementIntelliDraw(int x, int y, int new_element,
11058                                   boolean change_level, int button)
11059 {
11060   struct XY *xy = xy_directions;
11061   static int last_x = -1;
11062   static int last_y = -1;
11063
11064   if (new_element == EL_UNDEFINED)
11065   {
11066     last_x = -1;
11067     last_y = -1;
11068
11069     return;
11070   }
11071
11072   int old_element = IntelliDrawBuffer[x][y];
11073
11074   if (IS_TUBE(new_element))
11075   {
11076     int last_element_new = EL_UNDEFINED;
11077     int direction = MV_NONE;
11078     int i;
11079
11080     // if old element is of same kind, keep all existing directions
11081     if (IS_TUBE(old_element))
11082       direction |= getOpenDirectionFromTube(old_element);
11083
11084     for (i = 0; i < NUM_DIRECTIONS; i++)
11085     {
11086       int xx = x + xy[i].x;
11087       int yy = y + xy[i].y;
11088
11089       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11090           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11091       {
11092         int dir = MV_DIR_FROM_BIT(i);
11093         int dir_opposite = MV_DIR_OPPOSITE(dir);
11094         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11095         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11096         int last_direction_new = last_direction_old | dir_opposite;
11097
11098         last_element_new = getTubeFromOpenDirection(last_direction_new);
11099
11100         direction |= dir;
11101       }
11102     }
11103
11104     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11105
11106     if (last_element_new != EL_UNDEFINED)
11107       MergeAndCloseNeighbourElements(x, y, &new_element,
11108                                      last_x, last_y, &last_element_new,
11109                                      getClosedTube, change_level);
11110   }
11111   else if (IS_BELT(new_element))
11112   {
11113     int belt_nr = getBeltNrFromBeltElement(new_element);
11114     int last_element_new = EL_UNDEFINED;
11115     int direction = MV_NONE;
11116     int i;
11117
11118     // if old element is of same kind, keep all existing directions
11119     if (IS_BELT(old_element))
11120       direction |= getOpenDirectionFromBelt(old_element);
11121
11122     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11123     {
11124       int xx = x + xy[i].x;
11125       int yy = y + xy[i].y;
11126
11127       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11128           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
11129       {
11130         int dir = MV_DIR_FROM_BIT(i);
11131         int dir_opposite = MV_DIR_OPPOSITE(dir);
11132         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11133         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
11134         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
11135         int last_direction_new = last_direction_old | dir_opposite;
11136
11137         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11138                                                          last_direction_new);
11139         direction |= dir;
11140       }
11141     }
11142
11143     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11144                                                         new_element);
11145     if (last_element_new != EL_UNDEFINED)
11146       MergeAndCloseNeighbourElements(x, y, &new_element,
11147                                      last_x, last_y, &last_element_new,
11148                                      getClosedBelt, change_level);
11149   }
11150   else if (IS_ACID_POOL_OR_ACID(new_element))
11151   {
11152     int last_element_new = EL_UNDEFINED;
11153     int direction = MV_NONE;
11154     int i;
11155
11156     // if old element is of same kind, keep all existing directions
11157     if (IS_ACID_POOL_OR_ACID(old_element))
11158       direction |= getOpenDirectionFromPool(old_element);
11159
11160     for (i = 0; i < NUM_DIRECTIONS; i++)
11161     {
11162       int xx = x + xy[i].x;
11163       int yy = y + xy[i].y;
11164
11165       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11166           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11167       {
11168         int dir = MV_DIR_FROM_BIT(i);
11169         int dir_opposite = MV_DIR_OPPOSITE(dir);
11170         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11171         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11172         int last_direction_new = last_direction_old | dir_opposite;
11173
11174         last_element_new = getPoolFromOpenDirection(last_direction_new);
11175
11176         direction |= dir;
11177       }
11178     }
11179
11180     // special corrections needed for intuitively correct acid pool drawing
11181     if (last_element_new == EL_EMPTY)
11182       last_element_new = new_element;
11183     else if (last_element_new != EL_UNDEFINED)
11184       new_element = last_element_new;
11185
11186     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11187
11188     if (last_element_new != EL_UNDEFINED)
11189       MergeAndCloseNeighbourElements(x, y, &new_element,
11190                                      last_x, last_y, &last_element_new,
11191                                      getClosedPool, change_level);
11192   }
11193   else if (IS_EMC_PILLAR(new_element))
11194   {
11195     int last_element_new = EL_UNDEFINED;
11196     int direction = MV_NONE;
11197     int i;
11198
11199     // if old element is of same kind, keep all existing directions
11200     if (IS_EMC_PILLAR(old_element))
11201       direction |= getOpenDirectionFromPillar(old_element);
11202
11203     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11204     {
11205       int xx = x + xy[i].x;
11206       int yy = y + xy[i].y;
11207
11208       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11209           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11210       {
11211         int dir = MV_DIR_FROM_BIT(i);
11212         int dir_opposite = MV_DIR_OPPOSITE(dir);
11213         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11214         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11215         int last_direction_new = last_direction_old | dir_opposite;
11216
11217         last_element_new = getPillarFromOpenDirection(last_direction_new);
11218
11219         direction |= dir;
11220       }
11221     }
11222
11223     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11224
11225     if (last_element_new != EL_UNDEFINED)
11226       MergeAndCloseNeighbourElements(x, y, &new_element,
11227                                      last_x, last_y, &last_element_new,
11228                                      getClosedPillar, change_level);
11229   }
11230   else if (IS_DC_STEELWALL_2(new_element))
11231   {
11232     int last_element_new = EL_UNDEFINED;
11233     int direction = MV_NONE;
11234     int i;
11235
11236     // if old element is of same kind, keep all existing directions
11237     if (IS_DC_STEELWALL_2(old_element))
11238       direction |= getOpenDirectionFromSteel2(old_element);
11239
11240     for (i = 0; i < NUM_DIRECTIONS; i++)
11241     {
11242       int xx = x + xy[i].x;
11243       int yy = y + xy[i].y;
11244
11245       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11246           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11247       {
11248         int dir = MV_DIR_FROM_BIT(i);
11249         int dir_opposite = MV_DIR_OPPOSITE(dir);
11250         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11251         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11252         int last_direction_new = last_direction_old | dir_opposite;
11253
11254         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11255
11256         direction |= dir;
11257       }
11258     }
11259
11260     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11261
11262     if (last_element_new != EL_UNDEFINED)
11263       MergeAndCloseNeighbourElements(x, y, &new_element,
11264                                      last_x, last_y, &last_element_new,
11265                                      getClosedSteel2, change_level);
11266   }
11267   else if (IS_SP_CHIP(new_element))
11268   {
11269     int last_element_new = EL_UNDEFINED;
11270     int direction = MV_NONE;
11271     int i;
11272
11273     // (do not keep existing directions, regardless of kind of old element)
11274
11275     for (i = 0; i < NUM_DIRECTIONS; 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_SP_CHIP(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 = getOpenDirectionFromChip(last_element_old);
11287         int last_direction_new = last_direction_old | dir_opposite;
11288
11289         if (last_direction_old == MV_NONE)
11290         {
11291           last_element_new = getChipFromOpenDirection(last_direction_new);
11292           direction |= dir;
11293         }
11294         else if (last_direction_old & (dir | dir_opposite))
11295         {
11296           direction |= MV_DIR_OPPOSITE(last_direction_old);
11297         }
11298         else
11299         {
11300           direction |= MV_DIR_OPPOSITE(dir);
11301         }
11302       }
11303     }
11304
11305     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11306
11307     if (last_element_new != EL_UNDEFINED)
11308       MergeAndCloseNeighbourElements(x, y, &new_element,
11309                                      last_x, last_y, &last_element_new,
11310                                      getClosedChip, change_level);
11311   }
11312   else if (IS_SP_HARDWARE_BASE(new_element))
11313   {
11314     int nr = GetSimpleRandom(6);
11315
11316     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11317                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11318                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11319                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11320                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11321   }
11322   else if (new_element == EL_SP_HARDWARE_GREEN ||
11323            new_element == EL_SP_HARDWARE_BLUE ||
11324            new_element == EL_SP_HARDWARE_RED)
11325   {
11326     int nr = GetSimpleRandom(3);
11327
11328     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11329                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11330   }
11331   else if (IS_GROUP_ELEMENT(new_element))
11332   {
11333     boolean connected_drawing = FALSE;
11334     int i;
11335
11336     for (i = 0; i < NUM_DIRECTIONS; i++)
11337     {
11338       int xx = x + xy[i].x;
11339       int yy = y + xy[i].y;
11340
11341       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11342           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11343         connected_drawing = TRUE;
11344     }
11345
11346     if (!connected_drawing)
11347       ResolveGroupElement(new_element);
11348
11349     new_element = GetElementFromGroupElement(new_element);
11350   }
11351   else if (IS_BELT_SWITCH(old_element))
11352   {
11353     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11354     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11355
11356     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11357                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11358
11359     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11360   }
11361   else
11362   {
11363     static int swappable_elements[][2] =
11364     {
11365       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11366       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11367       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11368       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11369       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11370       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11371       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11372       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11373       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11374       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11375       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11376       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11377       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11378       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11379       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11380       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11381       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11382       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11383       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11384       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11385       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11386       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11387       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11388       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11389       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11390       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11391       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11392       { EL_PEARL,                       EL_WALL_PEARL                   },
11393       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11394       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11395       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11396       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11397       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11398       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11399       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11400       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11401       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11402       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11403       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11404       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11405       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11406       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11407       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11408       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11409
11410       { -1,                             -1                              },
11411     };
11412     static int rotatable_elements_4[][4] =
11413     {
11414       {
11415         EL_BUG_UP,
11416         EL_BUG_RIGHT,
11417         EL_BUG_DOWN,
11418         EL_BUG_LEFT
11419       },
11420       {
11421         EL_SPACESHIP_UP,
11422         EL_SPACESHIP_RIGHT,
11423         EL_SPACESHIP_DOWN,
11424         EL_SPACESHIP_LEFT
11425       },
11426       {
11427         EL_BD_BUTTERFLY_UP,
11428         EL_BD_BUTTERFLY_RIGHT,
11429         EL_BD_BUTTERFLY_DOWN,
11430         EL_BD_BUTTERFLY_LEFT
11431       },
11432       {
11433         EL_BD_FIREFLY_UP,
11434         EL_BD_FIREFLY_RIGHT,
11435         EL_BD_FIREFLY_DOWN,
11436         EL_BD_FIREFLY_LEFT
11437       },
11438       {
11439         EL_PACMAN_UP,
11440         EL_PACMAN_RIGHT,
11441         EL_PACMAN_DOWN,
11442         EL_PACMAN_LEFT
11443       },
11444       {
11445         EL_YAMYAM_UP,
11446         EL_YAMYAM_RIGHT,
11447         EL_YAMYAM_DOWN,
11448         EL_YAMYAM_LEFT
11449       },
11450       {
11451         EL_ARROW_UP,
11452         EL_ARROW_RIGHT,
11453         EL_ARROW_DOWN,
11454         EL_ARROW_LEFT
11455       },
11456       {
11457         EL_SP_PORT_UP,
11458         EL_SP_PORT_RIGHT,
11459         EL_SP_PORT_DOWN,
11460         EL_SP_PORT_LEFT
11461       },
11462       {
11463         EL_SP_GRAVITY_PORT_UP,
11464         EL_SP_GRAVITY_PORT_RIGHT,
11465         EL_SP_GRAVITY_PORT_DOWN,
11466         EL_SP_GRAVITY_PORT_LEFT
11467       },
11468       {
11469         EL_SP_GRAVITY_ON_PORT_UP,
11470         EL_SP_GRAVITY_ON_PORT_RIGHT,
11471         EL_SP_GRAVITY_ON_PORT_DOWN,
11472         EL_SP_GRAVITY_ON_PORT_LEFT
11473       },
11474       {
11475         EL_SP_GRAVITY_OFF_PORT_UP,
11476         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11477         EL_SP_GRAVITY_OFF_PORT_DOWN,
11478         EL_SP_GRAVITY_OFF_PORT_LEFT
11479       },
11480       {
11481         EL_MOLE_UP,
11482         EL_MOLE_RIGHT,
11483         EL_MOLE_DOWN,
11484         EL_MOLE_LEFT
11485       },
11486       {
11487         EL_BALLOON_SWITCH_UP,
11488         EL_BALLOON_SWITCH_RIGHT,
11489         EL_BALLOON_SWITCH_DOWN,
11490         EL_BALLOON_SWITCH_LEFT
11491       },
11492       {
11493         EL_MM_MCDUFFIN_UP,
11494         EL_MM_MCDUFFIN_RIGHT,
11495         EL_MM_MCDUFFIN_DOWN,
11496         EL_MM_MCDUFFIN_LEFT
11497       },
11498       {
11499         EL_MM_MIRROR_FIXED_1,
11500         EL_MM_MIRROR_FIXED_4,
11501         EL_MM_MIRROR_FIXED_3,
11502         EL_MM_MIRROR_FIXED_2
11503       },
11504       {
11505         EL_MM_STEEL_GRID_FIXED_1,
11506         EL_MM_STEEL_GRID_FIXED_4,
11507         EL_MM_STEEL_GRID_FIXED_2,
11508         EL_MM_STEEL_GRID_FIXED_3
11509       },
11510       {
11511         EL_MM_WOODEN_GRID_FIXED_1,
11512         EL_MM_WOODEN_GRID_FIXED_4,
11513         EL_MM_WOODEN_GRID_FIXED_2,
11514         EL_MM_WOODEN_GRID_FIXED_3
11515       },
11516       {
11517         EL_MM_POLARIZER_CROSS_1,
11518         EL_MM_POLARIZER_CROSS_4,
11519         EL_MM_POLARIZER_CROSS_3,
11520         EL_MM_POLARIZER_CROSS_2
11521       },
11522       {
11523         EL_MM_PACMAN_UP,
11524         EL_MM_PACMAN_RIGHT,
11525         EL_MM_PACMAN_DOWN,
11526         EL_MM_PACMAN_LEFT
11527       },
11528       {
11529         EL_DF_LASER_UP,
11530         EL_DF_LASER_RIGHT,
11531         EL_DF_LASER_DOWN,
11532         EL_DF_LASER_LEFT
11533       },
11534       {
11535         EL_DF_RECEIVER_UP,
11536         EL_DF_RECEIVER_RIGHT,
11537         EL_DF_RECEIVER_DOWN,
11538         EL_DF_RECEIVER_LEFT
11539       },
11540
11541       {
11542         -1,
11543       },
11544     };
11545     static int rotatable_elements_8[][8] =
11546     {
11547       {
11548         EL_DF_STEEL_GRID_FIXED_1,
11549         EL_DF_STEEL_GRID_FIXED_8,
11550         EL_DF_STEEL_GRID_FIXED_7,
11551         EL_DF_STEEL_GRID_FIXED_6,
11552         EL_DF_STEEL_GRID_FIXED_5,
11553         EL_DF_STEEL_GRID_FIXED_4,
11554         EL_DF_STEEL_GRID_FIXED_3,
11555         EL_DF_STEEL_GRID_FIXED_2
11556       },
11557       {
11558         EL_DF_WOODEN_GRID_FIXED_1,
11559         EL_DF_WOODEN_GRID_FIXED_8,
11560         EL_DF_WOODEN_GRID_FIXED_7,
11561         EL_DF_WOODEN_GRID_FIXED_6,
11562         EL_DF_WOODEN_GRID_FIXED_5,
11563         EL_DF_WOODEN_GRID_FIXED_4,
11564         EL_DF_WOODEN_GRID_FIXED_3,
11565         EL_DF_WOODEN_GRID_FIXED_2
11566       },
11567       {
11568         EL_DF_STEEL_GRID_ROTATING_1,
11569         EL_DF_STEEL_GRID_ROTATING_8,
11570         EL_DF_STEEL_GRID_ROTATING_7,
11571         EL_DF_STEEL_GRID_ROTATING_6,
11572         EL_DF_STEEL_GRID_ROTATING_5,
11573         EL_DF_STEEL_GRID_ROTATING_4,
11574         EL_DF_STEEL_GRID_ROTATING_3,
11575         EL_DF_STEEL_GRID_ROTATING_2
11576       },
11577       {
11578         EL_DF_WOODEN_GRID_ROTATING_1,
11579         EL_DF_WOODEN_GRID_ROTATING_8,
11580         EL_DF_WOODEN_GRID_ROTATING_7,
11581         EL_DF_WOODEN_GRID_ROTATING_6,
11582         EL_DF_WOODEN_GRID_ROTATING_5,
11583         EL_DF_WOODEN_GRID_ROTATING_4,
11584         EL_DF_WOODEN_GRID_ROTATING_3,
11585         EL_DF_WOODEN_GRID_ROTATING_2
11586       },
11587
11588       {
11589         -1,
11590       },
11591     };
11592     static int rotatable_elements_16[][16] =
11593     {
11594       {
11595         EL_MM_MIRROR_1,
11596         EL_MM_MIRROR_16,
11597         EL_MM_MIRROR_15,
11598         EL_MM_MIRROR_14,
11599         EL_MM_MIRROR_13,
11600         EL_MM_MIRROR_12,
11601         EL_MM_MIRROR_11,
11602         EL_MM_MIRROR_10,
11603         EL_MM_MIRROR_9,
11604         EL_MM_MIRROR_8,
11605         EL_MM_MIRROR_7,
11606         EL_MM_MIRROR_6,
11607         EL_MM_MIRROR_5,
11608         EL_MM_MIRROR_4,
11609         EL_MM_MIRROR_3,
11610         EL_MM_MIRROR_2
11611       },
11612       {
11613         EL_MM_TELEPORTER_5,
11614         EL_MM_TELEPORTER_4,
11615         EL_MM_TELEPORTER_3,
11616         EL_MM_TELEPORTER_2,
11617         EL_MM_TELEPORTER_1,
11618         EL_MM_TELEPORTER_16,
11619         EL_MM_TELEPORTER_15,
11620         EL_MM_TELEPORTER_14,
11621         EL_MM_TELEPORTER_13,
11622         EL_MM_TELEPORTER_12,
11623         EL_MM_TELEPORTER_11,
11624         EL_MM_TELEPORTER_10,
11625         EL_MM_TELEPORTER_9,
11626         EL_MM_TELEPORTER_8,
11627         EL_MM_TELEPORTER_7,
11628         EL_MM_TELEPORTER_6
11629       },
11630       {
11631         EL_MM_TELEPORTER_RED_5,
11632         EL_MM_TELEPORTER_RED_4,
11633         EL_MM_TELEPORTER_RED_3,
11634         EL_MM_TELEPORTER_RED_2,
11635         EL_MM_TELEPORTER_RED_1,
11636         EL_MM_TELEPORTER_RED_16,
11637         EL_MM_TELEPORTER_RED_15,
11638         EL_MM_TELEPORTER_RED_14,
11639         EL_MM_TELEPORTER_RED_13,
11640         EL_MM_TELEPORTER_RED_12,
11641         EL_MM_TELEPORTER_RED_11,
11642         EL_MM_TELEPORTER_RED_10,
11643         EL_MM_TELEPORTER_RED_9,
11644         EL_MM_TELEPORTER_RED_8,
11645         EL_MM_TELEPORTER_RED_7,
11646         EL_MM_TELEPORTER_RED_6
11647       },
11648       {
11649         EL_MM_TELEPORTER_YELLOW_5,
11650         EL_MM_TELEPORTER_YELLOW_4,
11651         EL_MM_TELEPORTER_YELLOW_3,
11652         EL_MM_TELEPORTER_YELLOW_2,
11653         EL_MM_TELEPORTER_YELLOW_1,
11654         EL_MM_TELEPORTER_YELLOW_16,
11655         EL_MM_TELEPORTER_YELLOW_15,
11656         EL_MM_TELEPORTER_YELLOW_14,
11657         EL_MM_TELEPORTER_YELLOW_13,
11658         EL_MM_TELEPORTER_YELLOW_12,
11659         EL_MM_TELEPORTER_YELLOW_11,
11660         EL_MM_TELEPORTER_YELLOW_10,
11661         EL_MM_TELEPORTER_YELLOW_9,
11662         EL_MM_TELEPORTER_YELLOW_8,
11663         EL_MM_TELEPORTER_YELLOW_7,
11664         EL_MM_TELEPORTER_YELLOW_6
11665       },
11666       {
11667         EL_MM_TELEPORTER_GREEN_5,
11668         EL_MM_TELEPORTER_GREEN_4,
11669         EL_MM_TELEPORTER_GREEN_3,
11670         EL_MM_TELEPORTER_GREEN_2,
11671         EL_MM_TELEPORTER_GREEN_1,
11672         EL_MM_TELEPORTER_GREEN_16,
11673         EL_MM_TELEPORTER_GREEN_15,
11674         EL_MM_TELEPORTER_GREEN_14,
11675         EL_MM_TELEPORTER_GREEN_13,
11676         EL_MM_TELEPORTER_GREEN_12,
11677         EL_MM_TELEPORTER_GREEN_11,
11678         EL_MM_TELEPORTER_GREEN_10,
11679         EL_MM_TELEPORTER_GREEN_9,
11680         EL_MM_TELEPORTER_GREEN_8,
11681         EL_MM_TELEPORTER_GREEN_7,
11682         EL_MM_TELEPORTER_GREEN_6
11683       },
11684       {
11685         EL_MM_TELEPORTER_BLUE_5,
11686         EL_MM_TELEPORTER_BLUE_4,
11687         EL_MM_TELEPORTER_BLUE_3,
11688         EL_MM_TELEPORTER_BLUE_2,
11689         EL_MM_TELEPORTER_BLUE_1,
11690         EL_MM_TELEPORTER_BLUE_16,
11691         EL_MM_TELEPORTER_BLUE_15,
11692         EL_MM_TELEPORTER_BLUE_14,
11693         EL_MM_TELEPORTER_BLUE_13,
11694         EL_MM_TELEPORTER_BLUE_12,
11695         EL_MM_TELEPORTER_BLUE_11,
11696         EL_MM_TELEPORTER_BLUE_10,
11697         EL_MM_TELEPORTER_BLUE_9,
11698         EL_MM_TELEPORTER_BLUE_8,
11699         EL_MM_TELEPORTER_BLUE_7,
11700         EL_MM_TELEPORTER_BLUE_6
11701       },
11702       {
11703         EL_MM_POLARIZER_1,
11704         EL_MM_POLARIZER_16,
11705         EL_MM_POLARIZER_15,
11706         EL_MM_POLARIZER_14,
11707         EL_MM_POLARIZER_13,
11708         EL_MM_POLARIZER_12,
11709         EL_MM_POLARIZER_11,
11710         EL_MM_POLARIZER_10,
11711         EL_MM_POLARIZER_9,
11712         EL_MM_POLARIZER_8,
11713         EL_MM_POLARIZER_7,
11714         EL_MM_POLARIZER_6,
11715         EL_MM_POLARIZER_5,
11716         EL_MM_POLARIZER_4,
11717         EL_MM_POLARIZER_3,
11718         EL_MM_POLARIZER_2
11719       },
11720       {
11721         EL_DF_MIRROR_1,
11722         EL_DF_MIRROR_16,
11723         EL_DF_MIRROR_15,
11724         EL_DF_MIRROR_14,
11725         EL_DF_MIRROR_13,
11726         EL_DF_MIRROR_12,
11727         EL_DF_MIRROR_11,
11728         EL_DF_MIRROR_10,
11729         EL_DF_MIRROR_9,
11730         EL_DF_MIRROR_8,
11731         EL_DF_MIRROR_7,
11732         EL_DF_MIRROR_6,
11733         EL_DF_MIRROR_5,
11734         EL_DF_MIRROR_4,
11735         EL_DF_MIRROR_3,
11736         EL_DF_MIRROR_2
11737       },
11738       {
11739         EL_DF_MIRROR_ROTATING_1,
11740         EL_DF_MIRROR_ROTATING_16,
11741         EL_DF_MIRROR_ROTATING_15,
11742         EL_DF_MIRROR_ROTATING_14,
11743         EL_DF_MIRROR_ROTATING_13,
11744         EL_DF_MIRROR_ROTATING_12,
11745         EL_DF_MIRROR_ROTATING_11,
11746         EL_DF_MIRROR_ROTATING_10,
11747         EL_DF_MIRROR_ROTATING_9,
11748         EL_DF_MIRROR_ROTATING_8,
11749         EL_DF_MIRROR_ROTATING_7,
11750         EL_DF_MIRROR_ROTATING_6,
11751         EL_DF_MIRROR_ROTATING_5,
11752         EL_DF_MIRROR_ROTATING_4,
11753         EL_DF_MIRROR_ROTATING_3,
11754         EL_DF_MIRROR_ROTATING_2
11755       },
11756
11757       {
11758         -1,
11759       },
11760     };
11761     int i, j;
11762
11763     for (i = 0; swappable_elements[i][0] != -1; i++)
11764     {
11765       int element1 = swappable_elements[i][0];
11766       int element2 = swappable_elements[i][1];
11767
11768       if (old_element == element1 || old_element == element2)
11769         new_element = (old_element == element1 ? element2 : element1);
11770     }
11771
11772     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11773     {
11774       for (j = 0; j < 4; j++)
11775       {
11776         int element = rotatable_elements_4[i][j];
11777
11778         if (old_element == element)
11779           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11780                          button == 2 ? rotatable_elements_4[i][0]           :
11781                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11782                          old_element);
11783       }
11784     }
11785
11786     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11787     {
11788       for (j = 0; j < 8; j++)
11789       {
11790         int element = rotatable_elements_8[i][j];
11791
11792         if (old_element == element)
11793           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11794                          button == 2 ? rotatable_elements_8[i][0]           :
11795                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11796                          old_element);
11797       }
11798     }
11799
11800     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11801     {
11802       for (j = 0; j < 16; j++)
11803       {
11804         int element = rotatable_elements_16[i][j];
11805
11806         if (old_element == element)
11807           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11808                          button == 2 ? rotatable_elements_16[i][0]             :
11809                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11810                          old_element);
11811       }
11812     }
11813
11814     if (old_element != new_element)
11815     {
11816       int max_infotext_len = getMaxInfoTextLength();
11817       char infotext[MAX_OUTPUT_LINESIZE + 1];
11818
11819       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11820       infotext[max_infotext_len] = '\0';
11821
11822       ClearEditorGadgetInfoText();
11823
11824       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11825                 infotext);
11826     }
11827   }
11828
11829   SetElementSimple(x, y, new_element, change_level);
11830
11831   last_x = x;
11832   last_y = y;
11833 }
11834
11835 static void ResetIntelliDraw(void)
11836 {
11837   int x, y;
11838
11839   for (x = 0; x < lev_fieldx; x++)
11840     for (y = 0; y < lev_fieldy; y++)
11841       IntelliDrawBuffer[x][y] = Tile[x][y];
11842
11843   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11844 }
11845
11846 static boolean draw_mode_hires = FALSE;
11847
11848 static boolean isHiresTileElement(int element)
11849 {
11850   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11851 }
11852
11853 static boolean isHiresDrawElement(int element)
11854 {
11855   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11856 }
11857
11858 static void SetDrawModeHiRes(int element)
11859 {
11860   draw_mode_hires =
11861     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11862      isHiresDrawElement(element));
11863 }
11864
11865 static boolean getDrawModeHiRes(void)
11866 {
11867   return draw_mode_hires;
11868 }
11869
11870 static int getLoResScreenPos(int pos)
11871 {
11872   return (getDrawModeHiRes() ? pos / 2 : pos);
11873 }
11874
11875 static int getLoResScreenMod(int pos)
11876 {
11877   return (getDrawModeHiRes() ? pos % 2 : 0);
11878 }
11879
11880 static void SetElementExt(int x, int y, int dx, int dy, int element,
11881                           boolean change_level, int button)
11882 {
11883   if (element < 0)
11884     SetElementSimple(x, y, Tile[x][y], change_level);
11885   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11886     SetElementIntelliDraw(x, y, element, change_level, button);
11887   else
11888     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11889 }
11890
11891 static void SetElement(int x, int y, int element)
11892 {
11893   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11894 }
11895
11896 static void SetElementButton(int x, int y, int dx, int dy, int element,
11897                              int button)
11898 {
11899   SetElementExt(x, y, dx, dy, element, TRUE, button);
11900 }
11901
11902 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11903 {
11904   int lx = getLoResScreenPos(sx2) + level_xpos;
11905   int ly = getLoResScreenPos(sy2) + level_ypos;
11906   int dx = getLoResScreenMod(sx2);
11907   int dy = getLoResScreenMod(sy2);
11908
11909   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11910 }
11911
11912 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11913 {
11914   int lx = lx2 / 2;
11915   int ly = ly2 / 2;
11916   int dx = lx2 % 2;
11917   int dy = ly2 % 2;
11918
11919   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11920 }
11921
11922 static int getLevelElementHiRes(int lx2, int ly2)
11923 {
11924   int lx = lx2 / 2;
11925   int ly = ly2 / 2;
11926   int dx = lx2 % 2;
11927   int dy = ly2 % 2;
11928   int element = Tile[lx][ly];
11929   unsigned int bitmask = (dx + 1) << (dy * 2);
11930
11931   if (IS_MM_WALL(element))
11932   {
11933     if (element & bitmask)
11934       return map_mm_wall_element(element);
11935     else
11936       return EL_EMPTY;
11937   }
11938
11939   return element;
11940 }
11941
11942 static void DrawLineElement(int x, int y, int element, boolean change_level)
11943 {
11944   SetElementHiRes(x, y, element, change_level);
11945 }
11946
11947 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11948                      int element, boolean change_level)
11949 {
11950   int xsize = ABS(to_x - from_x);
11951   int ysize = ABS(to_y - from_y);
11952   int dx = (to_x < from_x ? -1 : +1);
11953   int dy = (to_y < from_y ? -1 : +1);
11954   int i;
11955
11956   if (from_y == to_y)                   // horizontal line
11957   {
11958     for (i = 0; i <= xsize; i++)
11959       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11960   }
11961   else if (from_x == to_x)              // vertical line
11962   {
11963     for (i = 0; i <= ysize; i++)
11964       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11965   }
11966   else                                  // diagonal line
11967   {
11968     if (ysize < xsize)                  // a < 1
11969     {
11970       float a = (float)ysize / (float)xsize;
11971
11972       for (i = 0; i <= xsize; i++)
11973       {
11974         int x = dx * i;
11975         int y = dy * (int)(a * i + 0.5);
11976
11977         DrawLineElement(from_x + x, from_y + y, element, change_level);
11978       }
11979     }
11980     else                                // a >= 1
11981     {
11982       float a = (float)xsize / (float)ysize;
11983
11984       for (i = 0; i <= ysize; i++)
11985       {
11986         int x = dx * (int)(a * i + 0.5);
11987         int y = dy * i;
11988
11989         DrawLineElement(from_x + x, from_y + y, element, change_level);
11990       }
11991     }
11992   }
11993 }
11994
11995 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11996                     int element, boolean change_level)
11997 {
11998   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11999   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12000   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12001   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12002 }
12003
12004 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12005                           int element, boolean change_level)
12006 {
12007   int y;
12008
12009   if (from_y > to_y)
12010     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12011
12012   for (y = from_y; y <= to_y; y++)
12013     DrawLine(from_x, y, to_x, y, element, change_level);
12014 }
12015
12016 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12017                        int element, boolean change_level)
12018 {
12019   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12020   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12021   int len_x = ABS(to_x - from_x);
12022   int len_y = ABS(to_y - from_y);
12023   int radius, x, y;
12024
12025   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12026
12027   // not optimal (some points get drawn twice) but simple,
12028   // and fast enough for the few points we are drawing
12029
12030   for (x = 0; x <= radius; x++)
12031   {
12032     int sx, sy, sx2, sy2, lx, ly;
12033
12034     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12035
12036     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12037     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12038     sx = getLoResScreenPos(sx2);
12039     sy = getLoResScreenPos(sy2);
12040     lx = sx + level_xpos;
12041     ly = sy + level_ypos;
12042
12043     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12044       DrawLineElement(sx2, sy2, element, change_level);
12045   }
12046
12047   for (y = 0; y <= radius; y++)
12048   {
12049     int sx, sy, sx2, sy2, lx, ly;
12050
12051     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12052
12053     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12054     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12055     sx = getLoResScreenPos(sx2);
12056     sy = getLoResScreenPos(sy2);
12057     lx = sx + level_xpos;
12058     ly = sy + level_ypos;
12059
12060     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12061       DrawLineElement(sx2, sy2, element, change_level);
12062   }
12063 }
12064
12065 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12066                     int element, boolean change_level)
12067 {
12068   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12069   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12070
12071   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12072 }
12073
12074 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12075
12076 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12077 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12078                        int element, boolean change_level)
12079 {
12080   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12081   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12082   int mirror_to_x2 = from_x - (to_x2 - from_x);
12083   int mirror_to_y2 = from_y - (to_y2 - from_y);
12084
12085   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12086   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12087   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12088   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
12089 }
12090 #endif
12091
12092 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
12093 {
12094   int from_sx, from_sy;
12095   int to_sx, to_sy;
12096
12097   if (from_x > to_x)
12098     swap_numbers(&from_x, &to_x);
12099
12100   if (from_y > to_y)
12101     swap_numbers(&from_y, &to_y);
12102
12103   from_sx = SX + from_x * ed_tilesize;
12104   from_sy = SY + from_y * ed_tilesize;
12105   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
12106   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
12107
12108   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
12109   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
12110   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
12111   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
12112
12113   if (from_x == to_x && from_y == to_y)
12114     MarkTileDirty(from_x/2, from_y/2);
12115   else
12116     redraw_mask |= REDRAW_FIELD;
12117 }
12118
12119 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
12120                         int element, boolean change_level)
12121 {
12122   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
12123 }
12124
12125 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
12126                        int element, boolean change_level)
12127 {
12128   if (element == -1 || change_level)
12129     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
12130   else
12131     DrawAreaBorder(from_x, from_y, to_x, to_y);
12132 }
12133
12134 // values for CopyBrushExt()
12135 #define CB_AREA_TO_BRUSH                0
12136 #define CB_BRUSH_TO_CURSOR              1
12137 #define CB_BRUSH_TO_LEVEL               2
12138 #define CB_DELETE_OLD_CURSOR            3
12139 #define CB_DUMP_BRUSH                   4
12140 #define CB_DUMP_BRUSH_SMALL             5
12141 #define CB_CLIPBOARD_TO_BRUSH           6
12142 #define CB_BRUSH_TO_CLIPBOARD           7
12143 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12144 #define CB_UPDATE_BRUSH_POSITION        9
12145
12146 #define MAX_CB_PART_SIZE        10
12147 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12148 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12149 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12150                                  MAX_CB_NUM_LINES *     \
12151                                  MAX_CB_PART_SIZE)
12152
12153 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12154 {
12155   DrawLineElement(sx, sy, element, change_level);
12156 }
12157
12158 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12159                          int button, int mode)
12160 {
12161   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12162   static int brush_width, brush_height;
12163   static int last_cursor_x = -1, last_cursor_y = -1;
12164   static boolean delete_old_brush = FALSE;
12165   int new_element = BUTTON_ELEMENT(button);
12166   int x, y;
12167
12168   if (mode == CB_DUMP_BRUSH ||
12169       mode == CB_DUMP_BRUSH_SMALL ||
12170       mode == CB_BRUSH_TO_CLIPBOARD ||
12171       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12172   {
12173     if (edit_mode != ED_MODE_DRAWING)
12174       return;
12175
12176     char part[MAX_CB_PART_SIZE + 1] = "";
12177     char text[MAX_CB_TEXT_SIZE + 1] = "";
12178     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12179     int height = (draw_with_brush ? brush_height : lev_fieldy);
12180     char *format = "%s%03d";
12181
12182     for (y = 0; y < height; y++)
12183       for (x = 0; x < width; x++)
12184         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
12185           format = "%s%04d";
12186
12187     for (y = 0; y < height; y++)
12188     {
12189       for (x = 0; x < width; x++)
12190       {
12191         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
12192         char *prefix = (mode == CB_DUMP_BRUSH ||
12193                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12194
12195         if (element >= NUM_FILE_ELEMENTS)
12196           element = EL_UNKNOWN;
12197
12198         // copy brush to level sketch text buffer for the R'n'D forum:
12199         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12200         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12201         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12202         strcat(text, part);
12203       }
12204
12205       strcat(text, "\n");
12206     }
12207
12208     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12209         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12210       SDL_SetClipboardText(text);
12211     else
12212       Print("%s", text);        // print brush data to console and log file
12213
12214     return;
12215   }
12216
12217   if (mode == CB_CLIPBOARD_TO_BRUSH)
12218   {
12219     if (edit_mode != ED_MODE_DRAWING)
12220       return;
12221
12222     if (!SDL_HasClipboardText())
12223     {
12224       Request("Clipboard is empty!", REQ_CONFIRM);
12225
12226       return;
12227     }
12228
12229     boolean copy_to_brush = (draw_with_brush ||
12230                              drawing_function == GADGET_ID_GRAB_BRUSH);
12231
12232     // this will delete the old brush, if already drawing with a brush
12233     if (copy_to_brush)
12234       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12235
12236     // initialization is required for "odd" (incomplete) clipboard content
12237     for (x = 0; x < MAX_LEV_FIELDX; x++)
12238       for (y = 0; y < MAX_LEV_FIELDY; y++)
12239         brush_buffer[x][y] = EL_EMPTY;
12240
12241     brush_width  = 0;
12242     brush_height = 0;
12243     x = 0;
12244     y = 0;
12245
12246     char *clipboard_text = SDL_GetClipboardText();
12247     char *ptr = clipboard_text;
12248     boolean allow_new_row = FALSE;
12249     boolean stop = FALSE;
12250
12251     while (*ptr && !stop)
12252     {
12253       boolean prefix_found = FALSE;
12254       boolean start_new_row = FALSE;
12255
12256       // level sketch element number prefixes (may be multi-byte characters)
12257       char *prefix_list[] = { "`", "¸" };
12258       int i;
12259
12260       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12261       {
12262         char *prefix = prefix_list[i];
12263
12264         // check if string is large enough for prefix
12265         if (strlen(ptr) < strlen(prefix))
12266         {
12267           stop = TRUE;
12268
12269           break;
12270         }
12271
12272         // check if string starts with prefix
12273         if (strPrefix(ptr, prefix))
12274         {
12275           ptr += strlen(prefix);
12276
12277           prefix_found = TRUE;
12278
12279           break;
12280         }
12281       }
12282
12283       // check if prefix found and followed by (at least) three digits
12284       if (prefix_found &&
12285           strlen(ptr) >= 3 &&
12286           ptr[0] >= '0' && ptr[0] <= '9' &&
12287           ptr[1] >= '0' && ptr[1] <= '9' &&
12288           ptr[2] >= '0' && ptr[2] <= '9')
12289       {
12290         int element = ((ptr[0] - '0') * 100 +
12291                        (ptr[1] - '0') * 10 +
12292                        (ptr[2] - '0'));
12293
12294         ptr += 3;
12295
12296         // level sketch element number might consist of four digits
12297         if (ptr[0] >= '0' && ptr[0] <= '9')
12298         {
12299           element = element * 10 + (ptr[0] - '0');
12300           ptr++;
12301         }
12302
12303         // remap some (historic, now obsolete) elements
12304         element = getMappedElement(element);
12305
12306         if (element >= NUM_FILE_ELEMENTS)
12307           element = EL_UNKNOWN;
12308
12309         brush_buffer[x][y] = element;
12310
12311         brush_width  = MAX(x + 1, brush_width);
12312         brush_height = MAX(y + 1, brush_height);
12313
12314         x++;
12315
12316         if (x >= MAX_LEV_FIELDX)
12317           start_new_row = TRUE;
12318
12319         allow_new_row = TRUE;
12320       }
12321       else
12322       {
12323         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12324           start_new_row = TRUE;
12325
12326         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12327       }
12328
12329       if (start_new_row)
12330       {
12331         x = 0;
12332         y++;
12333
12334         if (y >= MAX_LEV_FIELDY)
12335           stop = TRUE;
12336
12337         allow_new_row = FALSE;
12338       }
12339     }
12340
12341     SDL_free(clipboard_text);
12342
12343     if (brush_width == 0 || brush_height == 0)
12344     {
12345       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12346
12347       return;
12348     }
12349
12350     if (copy_to_brush)
12351     {
12352       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12353       int mx, my;
12354
12355       SDL_GetMouseState(&mx, &my);
12356
12357       // if inside drawing area, activate and draw brush at last mouse position
12358       if (mx >= gi->x && mx < gi->x + gi->width &&
12359           my >= gi->y && my < gi->y + gi->height)
12360         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12361
12362       draw_with_brush = TRUE;
12363     }
12364     else
12365     {
12366       char request[100];
12367
12368       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12369               brush_width, brush_height);
12370
12371       if (!Request(request, REQ_ASK))
12372         return;
12373
12374       for (x = 0; x < MAX_LEV_FIELDX; x++)
12375         for (y = 0; y < MAX_LEV_FIELDY; y++)
12376           Tile[x][y] = brush_buffer[x][y];
12377
12378       lev_fieldx = level.fieldx = brush_width;
12379       lev_fieldy = level.fieldy = brush_height;
12380
12381       boolean use_em_engine = TRUE;
12382       boolean use_sp_engine = TRUE;
12383       boolean use_mm_engine = TRUE;
12384
12385       for (x = 0; x < MAX_LEV_FIELDX; x++)
12386       {
12387         for (y = 0; y < MAX_LEV_FIELDY; y++)
12388         {
12389           int element = Tile[x][y];
12390
12391           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
12392             use_em_engine = FALSE;
12393
12394           if (!IS_SP_ELEMENT(element))
12395             use_sp_engine = FALSE;
12396
12397           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
12398             use_mm_engine = FALSE;
12399         }
12400       }
12401
12402       level.game_engine_type = (use_em_engine ? GAME_ENGINE_TYPE_EM :
12403                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
12404                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
12405                                 GAME_ENGINE_TYPE_RND);
12406
12407       // update element selection list
12408       ReinitializeElementList();
12409       ModifyEditorElementList();
12410
12411       SetBorderElement();
12412
12413       DrawEditModeWindow();
12414       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12415     }
12416
12417     return;
12418   }
12419
12420   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12421     return;
12422
12423   if (mode == CB_AREA_TO_BRUSH)
12424   {
12425     int from_lx, from_ly;
12426
12427     if (from_x > to_x)
12428       swap_numbers(&from_x, &to_x);
12429
12430     if (from_y > to_y)
12431       swap_numbers(&from_y, &to_y);
12432
12433     brush_width = to_x - from_x + 1;
12434     brush_height = to_y - from_y + 1;
12435
12436     from_lx = from_x + level_xpos;
12437     from_ly = from_y + level_ypos;
12438
12439     for (y = 0; y < brush_height; y++)
12440     {
12441       for (x = 0; x < brush_width; x++)
12442       {
12443         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
12444
12445         if (button != 1)
12446           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12447       }
12448     }
12449
12450     if (button != 1)
12451       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12452
12453     delete_old_brush = FALSE;
12454   }
12455   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12456            mode == CB_BRUSH_TO_LEVEL)
12457   {
12458     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12459     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12460     int cursor_from_x = cursor_x - brush_width / 2;
12461     int cursor_from_y = cursor_y - brush_height / 2;
12462     int border_from_x = cursor_x, border_from_y = cursor_y;
12463     int border_to_x = cursor_x, border_to_y = cursor_y;
12464
12465     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12466       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12467
12468     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12469         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12470     {
12471       delete_old_brush = FALSE;
12472
12473       return;
12474     }
12475
12476     for (y = 0; y < brush_height; y++)
12477     {
12478       for (x = 0; x < brush_width; x++)
12479       {
12480         int sx = cursor_from_x + x;
12481         int sy = cursor_from_y + y;
12482         int lx = sx + level_xpos;
12483         int ly = sy + level_ypos;
12484         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12485         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12486                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12487                        brush_buffer[x][y] : new_element);
12488
12489         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12490         {
12491           if (sx < border_from_x)
12492             border_from_x = sx;
12493           else if (sx > border_to_x)
12494             border_to_x = sx;
12495           if (sy < border_from_y)
12496             border_from_y = sy;
12497           else if (sy > border_to_y)
12498             border_to_y = sy;
12499
12500           DrawBrushElement(sx, sy, element, change_level);
12501         }
12502       }
12503     }
12504
12505     if (mode != CB_DELETE_OLD_CURSOR)
12506       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12507
12508     last_cursor_x = cursor_x;
12509     last_cursor_y = cursor_y;
12510
12511     delete_old_brush = TRUE;
12512   }
12513
12514   if (mode == CB_UPDATE_BRUSH_POSITION)
12515   {
12516     last_cursor_x = from_x;
12517     last_cursor_y = from_y;
12518   }
12519 }
12520
12521 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12522                             int button)
12523 {
12524   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12525 }
12526
12527 static void CopyBrushToLevel(int x, int y, int button)
12528 {
12529   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12530 }
12531
12532 static void CopyBrushToCursor(int x, int y)
12533 {
12534   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12535 }
12536
12537 static void UpdateBrushPosition(int x, int y)
12538 {
12539   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12540 }
12541
12542 static void DeleteBrushFromCursor(void)
12543 {
12544   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12545 }
12546
12547 void DumpBrush(void)
12548 {
12549   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12550 }
12551
12552 void DumpBrush_Small(void)
12553 {
12554   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12555 }
12556
12557 void CopyClipboardToBrush(void)
12558 {
12559   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12560 }
12561
12562 void CopyBrushToClipboard(void)
12563 {
12564   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12565 }
12566
12567 void CopyBrushToClipboard_Small(void)
12568 {
12569   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12570 }
12571
12572 void UndoLevelEditorOperation(void)
12573 {
12574   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12575 }
12576
12577 void RedoLevelEditorOperation(void)
12578 {
12579   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12580 }
12581
12582 static void FloodFill(int from_x, int from_y, int fill_element)
12583 {
12584   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
12585 }
12586
12587 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12588 {
12589   int from_x = from_sx2 + 2 * level_xpos;
12590   int from_y = from_sy2 + 2 * level_ypos;
12591   int max_fillx = lev_fieldx * 2;
12592   int max_filly = lev_fieldy * 2;
12593   short Fill[max_fillx][max_filly];
12594   int x, y;
12595
12596   for (x = 0; x < max_fillx; x++)
12597     for (y = 0; y < max_filly; y++)
12598       Fill[x][y] = getLevelElementHiRes(x, y);
12599
12600   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12601                     Fill, max_fillx, max_filly);
12602
12603   for (x = 0; x < max_fillx; x++)
12604     for (y = 0; y < max_filly; y++)
12605       if (Fill[x][y] == fill_element)
12606         SetLevelElementHiRes(x, y, Fill[x][y]);
12607 }
12608
12609 // values for DrawLevelText() modes
12610 #define TEXT_INIT               0
12611 #define TEXT_SETCURSOR          1
12612 #define TEXT_WRITECHAR          2
12613 #define TEXT_BACKSPACE          3
12614 #define TEXT_NEWLINE            4
12615 #define TEXT_END                5
12616 #define TEXT_QUERY_TYPING       6
12617
12618 static int DrawLevelText(int sx, int sy, char letter, int mode)
12619 {
12620   static short delete_buffer[MAX_LEV_FIELDX];
12621   static int start_sx;
12622   static int last_sx, last_sy;
12623   static boolean typing = FALSE;
12624   int letter_element = EL_CHAR_ASCII0 + letter;
12625   int lx = 0, ly = 0;
12626
12627   // map lower case letters to upper case and convert special characters
12628   if (letter >= 'a' && letter <= 'z')
12629     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12630   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12631     letter_element = EL_CHAR_AUMLAUT;
12632   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12633     letter_element = EL_CHAR_OUMLAUT;
12634   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12635     letter_element = EL_CHAR_UUMLAUT;
12636   else if (letter == '^')
12637     letter_element = EL_CHAR_COPYRIGHT;
12638   else
12639     letter_element = EL_CHAR_ASCII0 + letter;
12640
12641   if (mode != TEXT_INIT)
12642   {
12643     if (!typing)
12644       return FALSE;
12645
12646     if (mode != TEXT_SETCURSOR)
12647     {
12648       sx = last_sx;
12649       sy = last_sy;
12650     }
12651
12652     lx = last_sx + level_xpos;
12653     ly = last_sy + level_ypos;
12654   }
12655
12656   switch (mode)
12657   {
12658     case TEXT_INIT:
12659       if (typing)
12660         DrawLevelText(0, 0, 0, TEXT_END);
12661
12662       typing = TRUE;
12663       start_sx = sx;
12664       last_sx = sx;
12665       last_sy = sy;
12666       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12667       break;
12668
12669     case TEXT_SETCURSOR:
12670       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
12671       DrawAreaBorder(sx, sy, sx, sy);
12672       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12673                      ed_tilesize, ed_tilesize);
12674       last_sx = sx;
12675       last_sy = sy;
12676       break;
12677
12678     case TEXT_WRITECHAR:
12679       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12680       {
12681         if (new_element1 >= EL_STEEL_CHAR_START &&
12682             new_element1 <= EL_STEEL_CHAR_END)
12683           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12684
12685         delete_buffer[sx - start_sx] = Tile[lx][ly];
12686         Tile[lx][ly] = letter_element;
12687
12688         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12689           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12690         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12691           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12692         else
12693           DrawLevelText(0, 0, 0, TEXT_END);
12694
12695         level.changed = TRUE;
12696       }
12697       break;
12698
12699     case TEXT_BACKSPACE:
12700       if (sx > start_sx)
12701       {
12702         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12703         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
12704         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12705       }
12706       break;
12707
12708     case TEXT_NEWLINE:
12709       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12710         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12711       else
12712         DrawLevelText(0, 0, 0, TEXT_END);
12713       break;
12714
12715     case TEXT_END:
12716       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12717       DrawEditorElement(sx, sy, Tile[lx][ly]);
12718       StopTextInput();
12719       typing = FALSE;
12720       break;
12721
12722     case TEXT_QUERY_TYPING:
12723       break;
12724
12725     default:
12726       break;
12727   }
12728
12729   return typing;
12730 }
12731
12732 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12733                           int element, boolean change_level)
12734 {
12735   int lx = sx + level_xpos;
12736   int ly = sy + level_ypos;
12737
12738   if (element == -1)
12739     DrawEditorElement(sx, sy, Tile[lx][ly]);
12740   else
12741     DrawAreaBorder(sx, sy, sx, sy);
12742 }
12743
12744 static void CheckLevelBorderElement(boolean redraw_playfield)
12745 {
12746   int last_border_element = BorderElement;
12747
12748   SetBorderElement();
12749
12750   if (redraw_playfield && BorderElement != last_border_element)
12751     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12752 }
12753
12754 static void CopyLevelToUndoBuffer(int mode)
12755 {
12756   static boolean accumulated_undo = FALSE;
12757   boolean new_undo_buffer_position = TRUE;
12758   int x, y;
12759
12760   if (undo_buffer_steps == 0)
12761     accumulated_undo = FALSE;
12762
12763   switch (mode)
12764   {
12765     case UNDO_IMMEDIATE:
12766       accumulated_undo = FALSE;
12767       break;
12768
12769     case UNDO_ACCUMULATE:
12770       if (accumulated_undo)
12771         new_undo_buffer_position = FALSE;
12772       accumulated_undo = TRUE;
12773       break;
12774
12775     default:
12776       break;
12777   }
12778
12779   if (new_undo_buffer_position)
12780   {
12781     // advance position in undo buffer ring
12782     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12783
12784     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12785       undo_buffer_steps++;
12786   }
12787
12788   // always reset redo buffer when storing level change into undo buffer
12789   redo_buffer_steps = 0;
12790
12791   for (x = 0; x < lev_fieldx; x++)
12792     for (y = 0; y < lev_fieldy; y++)
12793       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
12794
12795   // check if drawing operation forces change of border style
12796   CheckLevelBorderElement(TRUE);
12797
12798   level.changed = TRUE;
12799 }
12800
12801 static void RandomPlacement(int new_element)
12802 {
12803   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12804   int num_free_positions = 0;
12805   int num_percentage, num_elements;
12806   int x, y;
12807
12808   ResetIntelliDraw();
12809
12810   // determine number of free positions for randomly placing the new element
12811   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12812   {
12813     free_position[x][y] =
12814       (random_placement_background_restricted ?
12815        Tile[x][y] == random_placement_background_element :
12816        Tile[x][y] != new_element);
12817
12818     if (free_position[x][y])
12819       num_free_positions++;
12820   }
12821
12822   // determine number of new elements to place there
12823   num_percentage = num_free_positions * random_placement_value / 100;
12824   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12825                   num_percentage : random_placement_value);
12826
12827   // if less free positions than elements to place, fill all these positions
12828   if (num_free_positions < num_elements)
12829   {
12830     for (x = 0; x < lev_fieldx; x++)
12831       for (y = 0; y < lev_fieldy; y++)
12832         if (free_position[x][y])
12833           SetElement(x, y, new_element);
12834   }
12835   else
12836   {
12837     while (num_elements > 0)
12838     {
12839       x = GetSimpleRandom(lev_fieldx);
12840       y = GetSimpleRandom(lev_fieldy);
12841
12842       // don't place element at the same position twice
12843       if (free_position[x][y])
12844       {
12845         free_position[x][y] = FALSE;
12846         SetElement(x, y, new_element);
12847         num_elements--;
12848       }
12849     }
12850   }
12851
12852   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12853   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12854 }
12855
12856 static void WrapLevel(int dx, int dy)
12857 {
12858   int wrap_dx = lev_fieldx - dx;
12859   int wrap_dy = lev_fieldy - dy;
12860   int x, y;
12861
12862   for (x = 0; x < lev_fieldx; x++)
12863     for (y = 0; y < lev_fieldy; y++)
12864       TileBackup[x][y] = Tile[x][y];
12865
12866   for (x = 0; x < lev_fieldx; x++)
12867     for (y = 0; y < lev_fieldy; y++)
12868       Tile[x][y] =
12869         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12870
12871   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12872   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12873 }
12874
12875 static void DrawAreaElementHighlight(boolean highlighted)
12876 {
12877   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12878
12879   if (!highlighted)
12880     return;
12881
12882   int x, y;
12883
12884   for (x = 0; x < ed_fieldx; x++)
12885   {
12886     for (y = 0; y < ed_fieldy; y++)
12887     {
12888       int lx = x + level_xpos;
12889       int ly = y + level_ypos;
12890
12891       if (!IN_LEV_FIELD(lx, ly))
12892         continue;
12893
12894       if (Tile[lx][ly] != new_element1)
12895         continue;
12896
12897       int sx = SX + x * ed_tilesize;
12898       int sy = SY + y * ed_tilesize;
12899       int from_sx = sx;
12900       int from_sy = sy;
12901       int to_sx = sx + ed_tilesize - 1;
12902       int to_sy = sy + ed_tilesize - 1;
12903
12904       DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
12905       DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
12906       DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
12907       DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
12908     }
12909   }
12910 }
12911
12912 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12913 {
12914   char *template_filename_old = getLocalLevelTemplateFilename();
12915   char *template_filename_new =
12916     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12917
12918   if (copyFile(template_filename_old, template_filename_new) != 0)
12919     Request("Cannot copy level template!", REQ_CONFIRM);
12920
12921   free(template_filename_new);
12922 }
12923
12924 static void HandleDrawingAreas(struct GadgetInfo *gi)
12925 {
12926   static boolean started_inside_drawing_area = FALSE;
12927   static int last_sx = -1, last_sy = -1;
12928   static int last_sx2 = -1, last_sy2 = -1;
12929   int id = gi->custom_id;
12930   int type_id = gi->custom_type_id;
12931   boolean button_press_event;
12932   boolean button_release_event;
12933   boolean inside_drawing_area = !gi->event.off_borders;
12934   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12935   int actual_drawing_function;
12936   int button = gi->event.button;
12937   int new_element = BUTTON_ELEMENT(button);
12938   int sx = gi->event.x, sy = gi->event.y;
12939   int min_sx = 0, min_sy = 0;
12940   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12941   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12942   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12943   int sx2 = gi->event.mx / mini_item_xsize;
12944   int sy2 = gi->event.my / mini_item_ysize;
12945   int dx = sx2 % 2;
12946   int dy = sy2 % 2;
12947   int lx = 0, ly = 0;
12948   int min_lx = 0, min_ly = 0;
12949   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12950   int x, y;
12951
12952   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12953   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12954
12955   // make sure to stay inside drawing area boundaries
12956   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12957   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12958
12959   if (draw_level)
12960   {
12961     // get positions inside level field
12962     lx = sx + level_xpos;
12963     ly = sy + level_ypos;
12964
12965     if (!IN_LEV_FIELD(lx, ly))
12966       inside_drawing_area = FALSE;
12967
12968     // make sure to stay inside level field boundaries
12969     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12970     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12971
12972     // correct drawing area positions accordingly
12973     sx = lx - level_xpos;
12974     sy = ly - level_ypos;
12975   }
12976
12977   // also correct MM wall-sized (double) drawing area positions accordingly
12978   if (sx2 / 2 < sx || sx2 / 2 > sx)
12979   {
12980     dx = (sx2 / 2 < sx ? 0 : 1);
12981     sx2 = sx * 2 + dx;
12982   }
12983   if (sy2 / 2 < sy || sy2 / 2 > sy)
12984   {
12985     dy = (sy2 / 2 < sy ? 0 : 1);
12986     sy2 = sy * 2 + dy;
12987   }
12988
12989   if (button_release_event)
12990   {
12991     last_sx = -1;
12992     last_sy = -1;
12993     last_sx2 = -1;
12994     last_sy2 = -1;
12995   }
12996   else if (!button_press_event)
12997   {
12998     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
12999     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13000                              isHiresTileElement(old_element) &&
13001                              isHiresDrawElement(new_element));
13002
13003     // prevent handling events for every pixel position when moving mouse
13004     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
13005         (sx2 == last_sx2 && sy2 == last_sy2))
13006       return;
13007   }
13008
13009   last_sx = sx;
13010   last_sy = sy;
13011   last_sx2 = sx2;
13012   last_sy2 = sy2;
13013
13014   if (button_press_event)
13015     started_inside_drawing_area = inside_drawing_area;
13016
13017   if (!started_inside_drawing_area)
13018     return;
13019
13020   if (!IS_VALID_BUTTON(button))
13021     return;
13022
13023   if (!button && !button_release_event)
13024     return;
13025
13026   // handle info callback for each invocation of action callback
13027   gi->callback_info(gi);
13028
13029   // automatically switch to 'single item' drawing mode, if needed
13030   actual_drawing_function =
13031     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
13032      drawing_function : GADGET_ID_SINGLE_ITEMS);
13033
13034   // clicking into drawing area with pressed Control key picks element
13035   if (GetKeyModState() & KMOD_Control)
13036   {
13037     last_drawing_function = drawing_function;
13038     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13039   }
13040
13041   if (GetKeyModState() & KMOD_Shift)
13042   {
13043     if (button_press_event || button_release_event)
13044       ResetIntelliDraw();
13045   }
13046
13047   SetDrawModeHiRes(-1);         // reset to normal draw mode
13048
13049   switch (actual_drawing_function)
13050   {
13051     case GADGET_ID_SINGLE_ITEMS:
13052       if (draw_level)
13053       {
13054         if (button_release_event)
13055         {
13056           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13057
13058           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
13059               !inside_drawing_area)
13060             DeleteBrushFromCursor();
13061         }
13062
13063         if (!button || button_release_event)
13064           break;
13065
13066         if (draw_with_brush)
13067         {
13068           CopyBrushToLevel(sx, sy, button);
13069         }
13070         else
13071         {
13072           SetDrawModeHiRes(new_element);
13073
13074           if (IS_PLAYER_ELEMENT(new_element))
13075           {
13076             // remove player at old position
13077             for (y = 0; y < lev_fieldy; y++)
13078             {
13079               for (x = 0; x < lev_fieldx; x++)
13080               {
13081                 int old_element = Tile[x][y];
13082
13083                 if (IS_PLAYER_ELEMENT(old_element))
13084                 {
13085                   int replaced_with_element =
13086                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
13087                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
13088
13089                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
13090                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
13091
13092                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
13093                      old_element == EL_PLAYER_1 ? EL_EMPTY :
13094
13095                      new_element >= EL_PLAYER_1 &&
13096                      new_element <= EL_PLAYER_4 &&
13097                      new_element == old_element ? EL_EMPTY :
13098
13099                      old_element);
13100
13101                   SetElement(x, y, replaced_with_element);
13102                 }
13103               }
13104             }
13105           }
13106
13107           SetElementButton(lx, ly, dx, dy, new_element, button);
13108         }
13109       }
13110       else if (!button_release_event)
13111       {
13112         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13113
13114         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
13115           DrawMiniGraphicExt(drawto,
13116                              gi->x + sx * MINI_TILEX,
13117                              gi->y + sy * MINI_TILEY,
13118                              el2edimg(new_element));
13119         else
13120           DrawFixedGraphicExt(drawto,
13121                               gi->x + sx * TILEX,
13122                               gi->y + sy * TILEY,
13123                               el2edimg(new_element), 0);
13124
13125         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13126           new_element = GFX_ELEMENT(new_element);
13127
13128         drawingarea_info[type_id].value[pos] = new_element;
13129
13130         CopyElementPropertiesToGame(properties_element);
13131
13132         if (id == GADGET_ID_CUSTOM_GRAPHIC)
13133         {
13134           UpdateCustomElementGraphicGadgets();
13135
13136           FrameCounter = 0;     // restart animation frame counter
13137         }
13138       }
13139       break;
13140
13141     case GADGET_ID_CONNECTED_ITEMS:
13142       {
13143         static int last_sx = -1;
13144         static int last_sy = -1;
13145
13146         if (button_release_event)
13147           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13148
13149         if (button)
13150         {
13151           SetDrawModeHiRes(new_element);
13152
13153           if (getDrawModeHiRes())
13154           {
13155             sx = sx2;
13156             sy = sy2;
13157           }
13158
13159           if (!button_press_event)
13160             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
13161
13162           last_sx = sx;
13163           last_sy = sy;
13164         }
13165       }
13166       break;
13167
13168     case GADGET_ID_LINE:
13169     case GADGET_ID_ARC:
13170     case GADGET_ID_RECTANGLE:
13171     case GADGET_ID_FILLED_BOX:
13172       SetDrawModeHiRes(new_element);
13173
13174       if (getDrawModeHiRes())
13175       {
13176         sx = sx2;
13177         sy = sy2;
13178       }
13179       // FALLTHROUGH
13180     case GADGET_ID_GRAB_BRUSH:
13181     case GADGET_ID_TEXT:
13182       {
13183         static int last_sx = -1;
13184         static int last_sy = -1;
13185         static int start_sx = -1;
13186         static int start_sy = -1;
13187         void (*draw_func)(int, int, int, int, int, boolean);
13188
13189         if (drawing_function == GADGET_ID_LINE)
13190           draw_func = DrawLine;
13191         else if (drawing_function == GADGET_ID_ARC)
13192           draw_func = DrawArc;
13193         else if (drawing_function == GADGET_ID_RECTANGLE)
13194           draw_func = DrawBox;
13195         else if (drawing_function == GADGET_ID_FILLED_BOX)
13196           draw_func = DrawFilledBox;
13197         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
13198           draw_func = SelectArea;
13199         else // (drawing_function == GADGET_ID_TEXT)
13200           draw_func = SetTextCursor;
13201
13202         if (button_press_event)
13203         {
13204           draw_func(sx, sy, sx, sy, new_element, FALSE);
13205           start_sx = last_sx = sx;
13206           start_sy = last_sy = sy;
13207
13208           if (drawing_function == GADGET_ID_TEXT)
13209             DrawLevelText(0, 0, 0, TEXT_END);
13210         }
13211         else if (button_release_event)
13212         {
13213           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13214           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13215           {
13216             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13217             CopyBrushToCursor(sx, sy);
13218             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13219                           MB_LEFTBUTTON);
13220             draw_with_brush = TRUE;
13221           }
13222           else if (drawing_function == GADGET_ID_TEXT)
13223             DrawLevelText(sx, sy, 0, TEXT_INIT);
13224           else
13225             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13226         }
13227         else if (last_sx != sx || last_sy != sy)
13228         {
13229           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13230           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13231             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13232           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13233           last_sx = sx;
13234           last_sy = sy;
13235         }
13236       }
13237       break;
13238
13239     case GADGET_ID_FLOOD_FILL:
13240       if (button_press_event && Tile[lx][ly] != new_element)
13241       {
13242         if (IS_MM_WALL_EDITOR(new_element))
13243           FloodFillWall_MM(sx2, sy2, new_element);
13244         else
13245           FloodFill(lx, ly, new_element);
13246
13247         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13248         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13249       }
13250       break;
13251
13252     case GADGET_ID_PICK_ELEMENT:
13253       if (button_release_event)
13254         ClickOnGadget(level_editor_gadget[last_drawing_function],
13255                       MB_LEFTBUTTON);
13256       else if (draw_level)
13257         PickDrawingElement(button, Tile[lx][ly]);
13258       else
13259       {
13260         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13261
13262         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13263       }
13264
13265     default:
13266       break;
13267   }
13268
13269   // do not mark level as modified for certain non-level-changing gadgets
13270   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13271        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13272       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13273       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13274     return;
13275
13276   level.changed = TRUE;
13277 }
13278
13279 static void HandleCounterButtons(struct GadgetInfo *gi)
13280 {
13281   int gadget_id = gi->custom_id;
13282   int counter_id = gi->custom_type_id;
13283   int button = gi->event.button;
13284   int *counter_value = counterbutton_info[counter_id].value;
13285   int step = BUTTON_STEPSIZE(button) *
13286     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13287
13288   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13289   {
13290     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13291     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13292     boolean level_changed = LevelChanged();
13293
13294     if ((level_changed && pressed) || (!level_changed && released))
13295       return;
13296
13297     if (level_changed && !Request("Level has changed! Discard changes?",
13298                                   REQ_ASK))
13299     {
13300       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13301         ModifyEditorCounterValue(counter_id, *counter_value);
13302
13303       return;
13304     }
13305   }
13306
13307   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13308     *counter_value = gi->textinput.number_value;
13309   else
13310     ModifyEditorCounterValue(counter_id, *counter_value + step);
13311
13312   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13313   {
13314     int last_game_engine_type = level.game_engine_type;
13315
13316     LoadLevel(level_nr);
13317     LoadScore(level_nr);
13318
13319     SaveLevelSetup_SeriesInfo();
13320
13321     TapeErase();
13322
13323     ResetUndoBuffer();
13324     DrawEditModeWindow();
13325
13326     if (level.game_engine_type != last_game_engine_type)
13327     {
13328       // update element selection list
13329       ReinitializeElementList();
13330       ModifyEditorElementList();
13331     }
13332
13333     return;
13334   }
13335
13336   switch (counter_id)
13337   {
13338     case ED_COUNTER_ID_YAMYAM_CONTENT:
13339       DrawYamYamContentAreas();
13340       break;
13341
13342     case ED_COUNTER_ID_BALL_CONTENT:
13343       DrawMagicBallContentAreas();
13344       break;
13345
13346     case ED_COUNTER_ID_ANDROID_CONTENT:
13347       DrawAndroidElementArea(properties_element);
13348       break;
13349
13350     case ED_COUNTER_ID_GROUP_CONTENT:
13351       DrawGroupElementArea(properties_element);
13352       CopyGroupElementPropertiesToGame(properties_element);
13353       break;
13354
13355     case ED_COUNTER_ID_INVENTORY_SIZE:
13356       DrawPlayerInitialInventoryArea(properties_element);
13357       break;
13358
13359     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13360     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13361       DrawEnvelopeTextArea(-1);
13362       break;
13363
13364     case ED_COUNTER_ID_LEVEL_XSIZE:
13365     case ED_COUNTER_ID_LEVEL_YSIZE:
13366       lev_fieldx = level.fieldx;
13367       lev_fieldy = level.fieldy;
13368
13369       // check if resizing of level results in change of border border
13370       SetBorderElement();
13371
13372       break;
13373
13374     default:
13375       break;
13376   }
13377
13378   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13379        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13380       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13381        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13382     CopyElementPropertiesToGame(properties_element);
13383
13384   // do not mark level as modified for certain non-level-changing gadgets
13385   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13386        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13387       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13388        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13389     return;
13390
13391   level.changed = TRUE;
13392 }
13393
13394 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13395 {
13396   int type_id = gi->custom_type_id;
13397
13398   strcpy(textinput_info[type_id].value, gi->textinput.value);
13399
13400   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13401   {
13402     CopyElementPropertiesToGame(properties_element);
13403
13404     ModifyEditorElementList();  // update changed button info text
13405   }
13406
13407   // do not mark level as modified for certain non-level-changing gadgets
13408   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13409       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13410     return;
13411
13412   level.changed = TRUE;
13413 }
13414
13415 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13416 {
13417   int type_id = gi->custom_type_id;
13418
13419   strncpy(textarea_info[type_id].value, gi->textarea.value,
13420           MAX_ENVELOPE_TEXT_LEN);
13421   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13422
13423   level.changed = TRUE;
13424 }
13425
13426 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13427 {
13428   int type_id = gi->custom_type_id;
13429   int value_old = *selectbox_info[type_id].value;
13430   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13431
13432   *selectbox_info[type_id].value = value_new;
13433
13434   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13435   {
13436     DrawLevelInfoWindow();
13437   }
13438   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13439   {
13440     element_info[properties_element].current_change_page = gi->selectbox.index;
13441
13442     DrawPropertiesWindow();
13443   }
13444   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13445             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13446            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13447             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13448            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13449   {
13450     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13451     {
13452       // when changing action type, also check action mode and action arg
13453       if (value_old != value_new)
13454         setSelectboxSpecialActionVariablesIfNeeded();
13455
13456       DrawPropertiesChange();
13457     }
13458
13459     CopyElementPropertiesToGame(properties_element);
13460   }
13461   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13462   {
13463     // update element selection list
13464     ReinitializeElementList();
13465     ModifyEditorElementList();
13466   }
13467
13468   // do not mark level as modified for certain non-level-changing gadgets
13469   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13470       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13471     return;
13472
13473   level.changed = TRUE;
13474 }
13475
13476 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13477 {
13478   int type_id = gi->custom_type_id;
13479   int i;
13480
13481   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13482       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13483   {
13484     edit_mode_levelinfo = gi->custom_type_id;
13485
13486     DrawLevelInfoWindow();
13487   }
13488   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13489            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13490   {
13491     edit_mode_properties = gi->custom_type_id;
13492
13493     DrawPropertiesWindow();
13494   }
13495   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13496            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13497   {
13498     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13499
13500     // backup original "level.field" (needed to track playfield changes)
13501     CopyPlayfield(level.field, TileBackup);
13502
13503     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13504     CopyPlayfield(Tile, level.field);
13505
13506     if (new_template ||
13507         Request("Save this template and kill the old?", REQ_ASK))
13508       SaveLevelTemplate();
13509
13510     if (new_template)
13511       Request("Template saved!", REQ_CONFIRM);
13512
13513     // restore original "level.field" (needed to track playfield changes)
13514     CopyPlayfield(TileBackup, level.field);
13515   }
13516   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13517   {
13518     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13519
13520     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13521         leveldir_current->readonly)
13522     {
13523       Request("This level set is read-only!", REQ_CONFIRM);
13524
13525       return;
13526     }
13527
13528     if (strEqual(levelset_name, ""))
13529     {
13530       Request("Please enter level set title!", REQ_CONFIRM);
13531
13532       return;
13533     }
13534
13535     if (strEqual(levelset_author, ""))
13536     {
13537       Request("Please enter level set author!", REQ_CONFIRM);
13538
13539       return;
13540     }
13541
13542     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13543     {
13544       if (UpdateUserLevelSet(levelset_subdir,
13545                              levelset_name,
13546                              levelset_author,
13547                              levelset_num_levels))
13548       {
13549         Request("Level set updated!", REQ_CONFIRM);
13550       }
13551       else
13552       {
13553         Request("Updating level set failed!", REQ_CONFIRM);
13554       }
13555     }
13556     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13557     {
13558       if (level.changed && !Request("Level has changed! Discard changes?",
13559                                      REQ_ASK))
13560         return;
13561
13562       if (CreateUserLevelSet(levelset_subdir,
13563                              levelset_name,
13564                              levelset_author,
13565                              levelset_num_levels,
13566                              levelset_use_levelset_artwork))
13567       {
13568         if (levelset_copy_level_template)
13569           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13570
13571         Request("New level set created!", REQ_CONFIRM);
13572
13573         AddUserLevelSetToLevelInfo(levelset_subdir);
13574         ChangeEditorToLevelSet(levelset_subdir);
13575       }
13576       else
13577       {
13578         Request("Creating new level set failed!", REQ_CONFIRM);
13579       }
13580     }
13581   }
13582   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13583            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13584   {
13585     struct ElementInfo *ei = &element_info[properties_element];
13586
13587     // when modifying custom element, ask for copying level template
13588     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13589       return;
13590
13591     setElementChangePages(ei, ei->num_change_pages + 1);
13592
13593     // set new change page to be new current change page
13594     ei->current_change_page = ei->num_change_pages - 1;
13595     ei->change = &ei->change_page[ei->current_change_page];
13596
13597     setElementChangeInfoToDefaults(ei->change);
13598
13599     DrawPropertiesWindow();
13600
13601     level.changed = TRUE;
13602   }
13603   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13604            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13605   {
13606     struct ElementInfo *ei = &element_info[properties_element];
13607
13608     // when modifying custom element, ask for copying level template
13609     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13610       return;
13611
13612     // copy all change pages after change page to be deleted
13613     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13614       ei->change_page[i] = ei->change_page[i + 1];
13615
13616     setElementChangePages(ei, ei->num_change_pages - 1);
13617
13618     DrawPropertiesWindow();
13619
13620     level.changed = TRUE;
13621   }
13622 }
13623
13624 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13625 {
13626   int type_id = gi->custom_type_id;
13627
13628   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13629       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13630   {
13631     struct ElementInfo *ei = &element_info[properties_element];
13632     int step = BUTTON_STEPSIZE(gi->event.button);
13633
13634     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13635     ei->current_change_page += step;
13636
13637     if (ei->current_change_page < 0)
13638       ei->current_change_page = 0;
13639     else if (ei->current_change_page >= ei->num_change_pages)
13640       ei->current_change_page = ei->num_change_pages - 1;
13641
13642     DrawPropertiesWindow();
13643   }
13644   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13645            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13646   {
13647     struct ElementInfo *ei = &element_info[properties_element];
13648     int current_change_page = ei->current_change_page;
13649
13650     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13651     {
13652       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13653         ei->change_page[current_change_page];
13654     }
13655     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13656     {
13657       // when modifying custom element, ask for copying level template
13658       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13659         return;
13660
13661       ei->change_page[current_change_page] =
13662         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13663
13664       level.changed = TRUE;
13665     }
13666
13667     DrawPropertiesWindow();
13668   }
13669 }
13670
13671 static void HandleRadiobuttons(struct GadgetInfo *gi)
13672 {
13673   int type_id = gi->custom_type_id;
13674
13675   *radiobutton_info[type_id].value =
13676     radiobutton_info[type_id].checked_value;
13677
13678   // do not mark level as modified for certain non-level-changing gadgets
13679   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13680       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13681     return;
13682
13683   level.changed = TRUE;
13684 }
13685
13686 static void HandleCheckbuttons(struct GadgetInfo *gi)
13687 {
13688   int type_id = gi->custom_type_id;
13689
13690   *checkbutton_info[type_id].value ^= TRUE;
13691
13692   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13693       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13694       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13695       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13696          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13697         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13698          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13699        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13700   {
13701     CopyElementPropertiesToGame(properties_element);
13702   }
13703
13704   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13705   {
13706     UpdateCustomElementGraphicGadgets();
13707   }
13708   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13709            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13710   {
13711     boolean template_related_changes_found = FALSE;
13712     int i;
13713
13714     // check if any custom, group or empty elements have been changed
13715     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13716       if ((IS_CUSTOM_ELEMENT(i) ||
13717            IS_GROUP_ELEMENT(i) ||
13718            IS_EMPTY_ELEMENT(i)) &&
13719           element_info[i].modified_settings)
13720         template_related_changes_found = TRUE;
13721
13722     if (level.use_custom_template &&
13723         !fileExists(getGlobalLevelTemplateFilename()))
13724     {
13725       Request("No level template found!", REQ_CONFIRM);
13726
13727       level.use_custom_template = FALSE;
13728
13729       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13730
13731       return;
13732     }
13733
13734     if (level.use_custom_template &&
13735         template_related_changes_found &&
13736         !Request("Discard changes and use level template?", REQ_ASK))
13737     {
13738       level.use_custom_template = FALSE;
13739
13740       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13741
13742       return;
13743     }
13744
13745     if (!level.use_custom_template &&
13746         Request("Copy settings from level template?", REQ_ASK))
13747     {
13748       return;
13749     }
13750
13751     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13752
13753     DrawEditModeWindow();
13754   }
13755   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13756   {
13757     if (setup.editor.use_template_for_new_levels &&
13758         !fileExists(getGlobalLevelTemplateFilename()))
13759     {
13760       Request("No level template found!", REQ_CONFIRM);
13761
13762       return;
13763     }
13764
13765     if (setup.editor.use_template_for_new_levels &&
13766         level.changed &&
13767         !Request("Discard level and load template?", REQ_ASK))
13768     {
13769       return;
13770     }
13771
13772     if (!setup.editor.use_template_for_new_levels &&
13773         level.changed &&
13774         !Request("Discard level and use empty level?", REQ_ASK))
13775     {
13776       return;
13777     }
13778
13779     LoadLevel(level_nr);
13780     LoadScore(level_nr);
13781
13782     TapeErase();
13783
13784     ResetUndoBuffer();
13785     DrawEditModeWindow();
13786   }
13787   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13788   {
13789     SetAutomaticNumberOfGemsNeeded();
13790   }
13791
13792   // do not mark level as modified for certain non-level-changing gadgets
13793   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13794        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13795       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13796        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13797        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13798       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13799     return;
13800
13801   level.changed = TRUE;
13802 }
13803
13804 static void HandleControlButtons(struct GadgetInfo *gi)
13805 {
13806   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13807   static int last_edit_mode = ED_MODE_DRAWING;
13808   static int last_custom_copy_mode = -1;
13809   static int last_button = 0;
13810   int id = gi->custom_id;
13811   int button = gi->event.button;
13812   int step = BUTTON_STEPSIZE(button);
13813   int new_element = BUTTON_ELEMENT(button);
13814   int last_properties_element = properties_element;
13815   int x, y;
13816
13817   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13818     DrawLevelText(0, 0, 0, TEXT_END);
13819
13820   if (id < ED_NUM_CTRL1_BUTTONS &&
13821       id != GADGET_ID_SINGLE_ITEMS &&
13822       id != GADGET_ID_PICK_ELEMENT &&
13823       edit_mode != ED_MODE_DRAWING &&
13824       drawing_function != GADGET_ID_PICK_ELEMENT &&
13825       !(GetKeyModState() & KMOD_Control))
13826     ChangeEditModeWindow(ED_MODE_DRAWING);
13827
13828   // element copy mode active, but no element button pressed => deactivate
13829   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13830     last_custom_copy_mode = -1;
13831
13832   // when showing palette on element buttons, change element of button used
13833   if (editor.palette.show_on_element_buttons &&
13834       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13835   {
13836     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13837
13838     id = GADGET_ID_PALETTE;
13839   }
13840
13841   switch (id)
13842   {
13843     case GADGET_ID_SCROLL_LEFT:
13844       if (level_xpos >= 0)
13845       {
13846         if (lev_fieldx < ed_fieldx - 2)
13847           break;
13848
13849         level_xpos -= step;
13850         if (level_xpos < -1)
13851           level_xpos = -1;
13852         if (button == 1)
13853           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13854         else
13855           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13856
13857         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13858                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13859       }
13860       break;
13861
13862     case GADGET_ID_SCROLL_RIGHT:
13863       if (level_xpos <= lev_fieldx - ed_fieldx)
13864       {
13865         if (lev_fieldx < ed_fieldx - 2)
13866           break;
13867
13868         level_xpos += step;
13869         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13870           level_xpos = lev_fieldx - ed_fieldx + 1;
13871         if (button == 1)
13872           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13873         else
13874           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13875
13876         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13877                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13878       }
13879       break;
13880
13881     case GADGET_ID_SCROLL_UP:
13882       if (level_ypos >= 0)
13883       {
13884         if (lev_fieldy < ed_fieldy - 2)
13885           break;
13886
13887         level_ypos -= step;
13888         if (level_ypos < -1)
13889           level_ypos = -1;
13890         if (button == 1)
13891           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13892         else
13893           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13894
13895         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13896                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13897       }
13898       break;
13899
13900     case GADGET_ID_SCROLL_DOWN:
13901       if (level_ypos <= lev_fieldy - ed_fieldy)
13902       {
13903         if (lev_fieldy < ed_fieldy - 2)
13904           break;
13905
13906         level_ypos += step;
13907         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13908           level_ypos = lev_fieldy - ed_fieldy + 1;
13909         if (button == 1)
13910           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13911         else
13912           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13913
13914         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13915                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13916       }
13917       break;
13918
13919     case GADGET_ID_SCROLL_HORIZONTAL:
13920       level_xpos = gi->event.item_position - 1;
13921
13922       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13923       BackToFront();
13924
13925       break;
13926
13927     case GADGET_ID_SCROLL_VERTICAL:
13928       level_ypos = gi->event.item_position - 1;
13929
13930       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13931       BackToFront();
13932
13933       break;
13934
13935     case GADGET_ID_SCROLL_LIST_UP:
13936     case GADGET_ID_SCROLL_LIST_DOWN:
13937     case GADGET_ID_SCROLL_LIST_VERTICAL:
13938       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13939         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13940       else
13941       {
13942         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13943         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13944
13945         if (element_shift < 0)
13946           element_shift = 0;
13947         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13948           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13949
13950         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13951                      GDI_SCROLLBAR_ITEM_POSITION,
13952                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13953       }
13954
13955       ModifyEditorElementList();
13956
13957       break;
13958
13959     case GADGET_ID_PROPERTIES:
13960       // always switch off element properties when they are already displayed
13961       last_properties_element = new_element;
13962     case GADGET_ID_ELEMENT_LEFT:
13963     case GADGET_ID_ELEMENT_MIDDLE:
13964     case GADGET_ID_ELEMENT_RIGHT:
13965       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13966                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13967                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13968                             new_element);
13969
13970       if (edit_mode != ED_MODE_PROPERTIES)
13971       {
13972         last_edit_mode = edit_mode;
13973
13974         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13975
13976         last_level_drawing_function = drawing_function;
13977         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13978                       MB_LEFTBUTTON);
13979       }
13980       else if (properties_element != last_properties_element)
13981       {
13982         DrawEditModeWindow();
13983       }
13984       else
13985       {
13986         ChangeEditModeWindow(ED_MODE_DRAWING);
13987
13988         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13989                       MB_LEFTBUTTON);
13990       }
13991       break;
13992
13993     case GADGET_ID_PALETTE:
13994       if (edit_mode != ED_MODE_PALETTE)
13995       {
13996         last_edit_mode = edit_mode;
13997
13998         ChangeEditModeWindow(ED_MODE_PALETTE);
13999       }
14000       else
14001       {
14002         ChangeEditModeWindow(last_edit_mode);
14003       }
14004       break;
14005
14006     case GADGET_ID_WRAP_LEFT:
14007       WrapLevel(-step, 0);
14008       break;
14009
14010     case GADGET_ID_WRAP_RIGHT:
14011       WrapLevel(step, 0);
14012       break;
14013
14014     case GADGET_ID_WRAP_UP:
14015       WrapLevel(0, -step);
14016       break;
14017
14018     case GADGET_ID_WRAP_DOWN:
14019       WrapLevel(0, step);
14020       break;
14021
14022     case GADGET_ID_SINGLE_ITEMS:
14023     case GADGET_ID_CONNECTED_ITEMS:
14024     case GADGET_ID_LINE:
14025     case GADGET_ID_ARC:
14026     case GADGET_ID_TEXT:
14027     case GADGET_ID_RECTANGLE:
14028     case GADGET_ID_FILLED_BOX:
14029     case GADGET_ID_FLOOD_FILL:
14030     case GADGET_ID_GRAB_BRUSH:
14031     case GADGET_ID_PICK_ELEMENT:
14032       if (drawing_function != GADGET_ID_PICK_ELEMENT)
14033         last_drawing_function = drawing_function;
14034       drawing_function = id;
14035       draw_with_brush = FALSE;
14036       break;
14037
14038     case GADGET_ID_RANDOM_PLACEMENT:
14039       RandomPlacement(new_element);
14040       break;
14041
14042     case GADGET_ID_ZOOM:
14043       // zoom level editor tile size in or out (or reset to default size)
14044       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
14045                      button == 2 ? ed_tilesize_default :
14046                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
14047
14048       // when using touch device, cycle through all zoom tilesizes
14049       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
14050         ed_tilesize = MICRO_TILESIZE;
14051
14052       // limit zoom level by upper and lower bound
14053       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
14054
14055       InitZoomLevelSettings(ed_tilesize);
14056
14057       if (edit_mode == ED_MODE_DRAWING)
14058       {
14059         DrawDrawingWindow();
14060
14061         // redraw zoom gadget info text
14062         PrintEditorGadgetInfoText(level_editor_gadget[id]);
14063       }
14064
14065       // save current editor zoom tilesize
14066       SaveSetup_AutoSetup();
14067
14068       break;
14069
14070     case GADGET_ID_CUSTOM_COPY_FROM:
14071     case GADGET_ID_CUSTOM_COPY_TO:
14072     case GADGET_ID_CUSTOM_EXCHANGE:
14073       last_custom_copy_mode = id;
14074       last_drawing_function = drawing_function;
14075       break;
14076
14077     case GADGET_ID_CUSTOM_COPY:
14078       CopyCustomElement(properties_element, -1, id);
14079       break;
14080
14081     case GADGET_ID_CUSTOM_PASTE:
14082       CopyCustomElement(-1, properties_element, id);
14083       break;
14084
14085     case GADGET_ID_UNDO:
14086       if (button < 0)   // keep button value (even if modifier keys are pressed)
14087         button = -button;
14088       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
14089         button = 3;
14090
14091       if (button == 1 && undo_buffer_steps == 0)
14092       {
14093         Request("Undo buffer empty!", REQ_CONFIRM);
14094
14095         break;
14096       }
14097       else if (button == 2)
14098       {
14099         break;
14100       }
14101       else if (button == 3 && redo_buffer_steps == 0)
14102       {
14103         Request("Redo buffer empty!", REQ_CONFIRM);
14104
14105         break;
14106       }
14107
14108       if (edit_mode != ED_MODE_DRAWING)
14109         ChangeEditModeWindow(ED_MODE_DRAWING);
14110
14111       if (button == 1)
14112       {
14113         // undo
14114
14115         undo_buffer_position =
14116           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
14117
14118         undo_buffer_steps--;
14119         redo_buffer_steps++;
14120       }
14121       else
14122       {
14123         // redo
14124
14125         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14126
14127         undo_buffer_steps++;
14128         redo_buffer_steps--;
14129       }
14130
14131       for (x = 0; x < lev_fieldx; x++)
14132         for (y = 0; y < lev_fieldy; y++)
14133           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
14134
14135       // check if undo operation forces change of border style
14136       CheckLevelBorderElement(FALSE);
14137
14138       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14139
14140       break;
14141
14142     case GADGET_ID_INFO:
14143       if (edit_mode != ED_MODE_INFO)
14144       {
14145         last_edit_mode = edit_mode;
14146
14147         ChangeEditModeWindow(ED_MODE_INFO);
14148       }
14149       else
14150       {
14151         ChangeEditModeWindow(ED_MODE_DRAWING);
14152       }
14153       break;
14154
14155     case GADGET_ID_CLEAR:
14156       if (edit_mode != ED_MODE_DRAWING)
14157         ChangeEditModeWindow(ED_MODE_DRAWING);
14158
14159       for (x = 0; x < MAX_LEV_FIELDX; x++)
14160         for (y = 0; y < MAX_LEV_FIELDY; y++)
14161           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
14162
14163       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
14164
14165       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14166       break;
14167
14168     case GADGET_ID_SAVE:
14169     {
14170       // saving read-only levels into personal level set modifies global vars
14171       // "leveldir_current" and "level_nr"; restore them after saving level
14172       LevelDirTree *leveldir_former = leveldir_current;
14173       int level_nr_former = level_nr;
14174       char *level_filename;
14175       boolean new_level;
14176
14177       if (leveldir_current->readonly &&
14178           !PrepareSavingIntoPersonalLevelSet())
14179         break;
14180
14181       level_filename = getDefaultLevelFilename(level_nr);
14182       new_level = !fileExists(level_filename);
14183
14184       if (new_level ||
14185           Request("Save this level and kill the old?", REQ_ASK))
14186       {
14187         if (leveldir_former->readonly)
14188           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
14189
14190         SetAutomaticNumberOfGemsNeeded();
14191
14192         CopyPlayfield(Tile, level.field);
14193         SaveLevel(level_nr);
14194
14195         level.changed = FALSE;
14196
14197         if (new_level)
14198         {
14199           char level_saved_msg[64];
14200
14201           if (leveldir_former->readonly)
14202             sprintf(level_saved_msg,
14203                     "Level saved as level %d into personal level set!",
14204                     level_nr);
14205           else
14206             strcpy(level_saved_msg, "Level saved!");
14207
14208           Request(level_saved_msg, REQ_CONFIRM);
14209         }
14210       }
14211
14212       // "cd" back to copied-from levelset (in case of saved read-only level)
14213       leveldir_current = leveldir_former;
14214       level_nr = level_nr_former;
14215
14216       break;
14217     }
14218
14219     case GADGET_ID_TEST:
14220       if (LevelChanged())
14221         level.game_version = GAME_VERSION_ACTUAL;
14222
14223       CopyPlayfield(level.field, TileBackup);
14224       CopyPlayfield(Tile, level.field);
14225
14226       CopyNativeLevel_RND_to_Native(&level);
14227
14228       UnmapLevelEditorGadgets();
14229       UndrawSpecialEditorDoor();
14230
14231       CloseDoor(DOOR_CLOSE_ALL);
14232
14233       // needed before playing if editor playfield area has different size
14234       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14235
14236       // redraw_mask = REDRAW_ALL;
14237
14238       level_editor_test_game = TRUE;
14239
14240       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14241
14242       break;
14243
14244     case GADGET_ID_EXIT:
14245       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14246       break;
14247
14248     default:
14249       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14250           id <= GADGET_ID_ELEMENTLIST_LAST)
14251       {
14252         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14253         int new_element = editor_elements[element_position + element_shift];
14254
14255         if (IS_EDITOR_CASCADE(new_element))
14256         {
14257           int i;
14258
14259           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14260           {
14261             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14262             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14263
14264             if (*cascade_element == new_element)
14265             {
14266               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14267               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14268
14269               // update element selection list
14270               ReinitializeElementList();
14271               ModifyEditorElementList();
14272
14273               // update cascading gadget info text
14274               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14275
14276               // save current editor cascading state
14277               SaveSetup_EditorCascade();
14278
14279               break;
14280             }
14281           }
14282
14283           break;
14284         }
14285
14286         if (last_custom_copy_mode != -1)
14287         {
14288           if (CopyCustomElement(properties_element, new_element,
14289                                 last_custom_copy_mode))
14290           {
14291             ClickOnGadget(level_editor_gadget[last_drawing_function],
14292                           MB_LEFTBUTTON);
14293
14294             last_custom_copy_mode = -1;
14295           }
14296
14297           break;
14298         }
14299
14300         // change element of button used to show palette
14301         if (editor.palette.show_on_element_buttons)
14302           button = last_button;
14303
14304         PickDrawingElement(button, new_element);
14305
14306         if (!stick_element_properties_window &&
14307             drawing_function != GADGET_ID_PICK_ELEMENT &&
14308             !(GetKeyModState() & KMOD_Control))
14309         {
14310           properties_element = new_element;
14311           if (edit_mode == ED_MODE_PROPERTIES)
14312             DrawPropertiesWindow();
14313         }
14314
14315         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14316           ClickOnGadget(level_editor_gadget[last_drawing_function],
14317                         MB_LEFTBUTTON);
14318
14319         if (!use_permanent_palette)
14320           ChangeEditModeWindow(last_edit_mode);
14321       }
14322 #ifdef DEBUG
14323       else if (gi->event.type == GD_EVENT_PRESSED)
14324         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
14325       else if (gi->event.type == GD_EVENT_RELEASED)
14326         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
14327       else if (gi->event.type == GD_EVENT_MOVING)
14328         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
14329       else
14330         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
14331 #endif
14332       break;
14333   }
14334 }
14335
14336 void HandleLevelEditorKeyInput(Key key)
14337 {
14338   char letter = getCharFromKey(key);
14339
14340   if (drawing_function == GADGET_ID_TEXT &&
14341       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14342   {
14343     if (letter)
14344       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14345     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14346       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14347     else if (key == KSYM_Return)
14348       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14349     else if (key == KSYM_Escape)
14350       DrawLevelText(0, 0, 0, TEXT_END);
14351
14352     return;
14353   }
14354
14355   int id = GADGET_ID_NONE;
14356   int new_element_shift = element_shift;
14357   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14358   int button = MB_LEFTBUTTON;
14359   int i;
14360
14361   switch (key)
14362   {
14363     case KSYM_Left:
14364       id = GADGET_ID_SCROLL_LEFT;
14365       break;
14366     case KSYM_Right:
14367       id = GADGET_ID_SCROLL_RIGHT;
14368       break;
14369     case KSYM_Up:
14370       id = GADGET_ID_SCROLL_UP;
14371       break;
14372     case KSYM_Down:
14373       id = GADGET_ID_SCROLL_DOWN;
14374       break;
14375
14376     case KSYM_Page_Up:
14377     case KSYM_Page_Down:
14378       step *= (key == KSYM_Page_Up ? -1 : +1);
14379       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14380
14381       if (element_shift < 0)
14382         element_shift = 0;
14383       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14384         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14385
14386       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14387                    GDI_SCROLLBAR_ITEM_POSITION,
14388                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14389
14390       ModifyEditorElementList();
14391
14392       break;
14393
14394     case KSYM_Home:
14395     case KSYM_End:
14396       element_shift = (key == KSYM_Home ? 0 :
14397                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14398
14399       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14400                    GDI_SCROLLBAR_ITEM_POSITION,
14401                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14402
14403       ModifyEditorElementList();
14404
14405       break;
14406
14407     case KSYM_Insert:
14408     case KSYM_Delete:
14409
14410       // this is needed to prevent interference with running "True X-Mouse"
14411       if (GetKeyModStateFromEvents() & KMOD_Control)
14412         break;
14413
14414       // check for last or next editor cascade block in element list
14415       for (i = 0; i < num_editor_elements; i++)
14416       {
14417         if ((key == KSYM_Insert && i == element_shift) ||
14418             (key == KSYM_Delete && new_element_shift > element_shift))
14419           break;
14420
14421         // jump to next cascade block (or to start of element list)
14422         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14423           new_element_shift = i;
14424       }
14425
14426       if (i < num_editor_elements)
14427         element_shift = new_element_shift;
14428
14429       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14430         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14431
14432       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14433                    GDI_SCROLLBAR_ITEM_POSITION,
14434                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14435
14436       ModifyEditorElementList();
14437
14438       break;
14439
14440     case KSYM_Escape:
14441       if (edit_mode == ED_MODE_DRAWING)
14442         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14443       else if (edit_mode == ED_MODE_INFO)
14444         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14445       else if (edit_mode == ED_MODE_PROPERTIES)
14446         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14447       else if (edit_mode == ED_MODE_PALETTE)
14448         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14449       else              // should never happen
14450         ChangeEditModeWindow(ED_MODE_DRAWING);
14451
14452       break;
14453
14454     default:
14455       break;
14456   }
14457
14458   if (id != GADGET_ID_NONE)
14459     ClickOnGadget(level_editor_gadget[id], button);
14460   else if (letter == '1' || letter == '?')
14461     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14462   else if (letter == '2')
14463     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14464   else if (letter == '3')
14465     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14466   else if (letter == '.')
14467     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14468   else if (letter == 'U')
14469     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14470   else if (letter == '-' || key == KSYM_KP_Subtract)
14471     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14472   else if (letter == '0' || key == KSYM_KP_0)
14473     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14474   else if (letter == '+' || key == KSYM_KP_Add ||
14475            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14476     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14477   else if (key == KSYM_Return ||
14478            key == KSYM_space ||
14479            key == setup.shortcut.toggle_pause)
14480     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14481   else
14482     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14483       if (letter && letter == controlbutton_info[i].shortcut)
14484         if (!anyTextGadgetActive())
14485           ClickOnGadget(level_editor_gadget[i], button);
14486 }
14487
14488 static void HandleLevelEditorIdle_Properties(void)
14489 {
14490   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14491   int x = editor.settings.element_graphic.x + element_border;
14492   int y = editor.settings.element_graphic.y + element_border;
14493   static DelayCounter action_delay = { 0 };
14494   int i;
14495
14496   action_delay.value = GameFrameDelay;
14497
14498   if (!DelayReached(&action_delay))
14499     return;
14500
14501   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14502   {
14503     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14504
14505     if (gi->mapped && gi->active && gi->selectbox.open)
14506       return;
14507   }
14508
14509   DrawEditorElementAnimation(SX + x, SY + y);
14510
14511   redraw_mask |= REDRAW_FIELD;
14512
14513   FrameCounter++;       // increase animation frame counter
14514 }
14515
14516 static void HandleLevelEditorIdle_Drawing(void)
14517 {
14518   static boolean last_highlighted = FALSE;
14519   boolean highlighted = (GetKeyModState() & KMOD_Alt);
14520
14521   if (highlighted != last_highlighted)
14522   {
14523     DrawAreaElementHighlight(highlighted);
14524
14525     last_highlighted = highlighted;
14526
14527     redraw_mask |= REDRAW_FIELD;
14528   }
14529 }
14530
14531 void HandleLevelEditorIdle(void)
14532 {
14533   if (edit_mode == ED_MODE_PROPERTIES)
14534     HandleLevelEditorIdle_Properties();
14535   else if (edit_mode == ED_MODE_DRAWING)
14536     HandleLevelEditorIdle_Drawing();
14537 }
14538
14539 static void ClearEditorGadgetInfoText(void)
14540 {
14541   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14542 }
14543
14544 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14545 {
14546   char infotext[MAX_OUTPUT_LINESIZE + 1];
14547   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14548   int max_infotext_len = getMaxInfoTextLength();
14549
14550   if (gi == NULL || strlen(gi->info_text) == 0)
14551     return;
14552
14553   strncpy(infotext, gi->info_text, max_infotext_len);
14554   infotext[max_infotext_len] = '\0';
14555
14556   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14557   {
14558     int key = controlbutton_info[gi->custom_id].shortcut;
14559
14560     if (key)
14561     {
14562       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14563         sprintf(shortcut, " ('.' or '%c')", key);
14564       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14565         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14566       else if (gi->custom_id == GADGET_ID_TEST)
14567         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14568       else if (gi->custom_id == GADGET_ID_UNDO)
14569         sprintf(shortcut, " ('%c/Shift-U')", key);
14570       else if (gi->custom_id == GADGET_ID_ZOOM)
14571         sprintf(shortcut, " ('%c', '0', '-')", key);
14572       else
14573         sprintf(shortcut, " ('%s%c')",
14574                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14575
14576       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14577         strcat(infotext, shortcut);
14578     }
14579   }
14580
14581   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14582 }
14583
14584 void HandleEditorGadgetInfoText(void *ptr)
14585 {
14586   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14587
14588   if (game_status != GAME_MODE_EDITOR)
14589     return;
14590
14591   ClearEditorGadgetInfoText();
14592
14593   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14594     return;
14595
14596   // misuse this function to delete brush cursor, if needed
14597   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14598     DeleteBrushFromCursor();
14599
14600   PrintEditorGadgetInfoText(gi);
14601 }
14602
14603 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14604 {
14605   static int start_lx, start_ly;
14606   int id = gi->custom_id;
14607   int type_id = gi->custom_type_id;
14608   int sx = gi->event.x;
14609   int sy = gi->event.y;
14610   int lx = sx + level_xpos;
14611   int ly = sy + level_ypos;
14612   int min_sx = 0, min_sy = 0;
14613   int max_sx = gi->drawing.area_xsize - 1;
14614   int max_sy = gi->drawing.area_ysize - 1;
14615   int actual_drawing_function = drawing_function;
14616   int max_infotext_len = getMaxInfoTextLength();
14617   char infotext[MAX_OUTPUT_LINESIZE + 1];
14618   char *text;
14619
14620   infotext[0] = '\0';           // start with empty info text
14621
14622   // pressed Control key: simulate picking element
14623   if (GetKeyModState() & KMOD_Control)
14624     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14625
14626   ClearEditorGadgetInfoText();
14627
14628   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14629     return;
14630
14631   // make sure to stay inside drawing area boundaries
14632   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14633   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14634
14635   if (id == GADGET_ID_DRAWING_LEVEL)
14636   {
14637     if (button_status)
14638     {
14639       int min_lx = 0, min_ly = 0;
14640       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14641
14642       // get positions inside level field
14643       lx = sx + level_xpos;
14644       ly = sy + level_ypos;
14645
14646       // make sure to stay inside level field boundaries
14647       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14648       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14649
14650       // correct drawing area positions accordingly
14651       sx = lx - level_xpos;
14652       sy = ly - level_ypos;
14653     }
14654
14655     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14656     {
14657       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14658       {
14659         if (gi->event.type == GD_EVENT_PRESSED)
14660         {
14661           start_lx = lx;
14662           start_ly = ly;
14663         }
14664
14665         switch (actual_drawing_function)
14666         {
14667           case GADGET_ID_SINGLE_ITEMS:
14668             text = "Drawing single items";
14669             break;
14670           case GADGET_ID_CONNECTED_ITEMS:
14671             text = "Drawing connected items";
14672             break;
14673           case GADGET_ID_LINE:
14674             text = "Drawing line";
14675             break;
14676           case GADGET_ID_ARC:
14677             text = "Drawing arc";
14678             break;
14679           case GADGET_ID_TEXT:
14680             text = "Setting text cursor";
14681             break;
14682           case GADGET_ID_RECTANGLE:
14683             text = "Drawing rectangle";
14684             break;
14685           case GADGET_ID_FILLED_BOX:
14686             text = "Drawing filled box";
14687             break;
14688           case GADGET_ID_FLOOD_FILL:
14689             text = "Flood fill";
14690             break;
14691           case GADGET_ID_GRAB_BRUSH:
14692             text = "Grabbing brush";
14693             break;
14694           case GADGET_ID_PICK_ELEMENT:
14695             text = "Picking element";
14696             break;
14697
14698           default:
14699             text = "Drawing position";
14700             break;
14701         }
14702
14703         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14704           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14705         else
14706           sprintf(infotext, "%s: %d, %d", text,
14707                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14708       }
14709       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14710         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
14711       else
14712         sprintf(infotext, "Level position: %d, %d", lx, ly);
14713     }
14714
14715     // misuse this function to draw brush cursor, if needed
14716     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14717     {
14718       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14719         CopyBrushToCursor(sx, sy);
14720       else
14721         DeleteBrushFromCursor();
14722     }
14723
14724     if (!draw_with_brush)
14725       UpdateBrushPosition(sx, sy);
14726   }
14727   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14728   {
14729     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14730     int element = drawingarea_info[type_id].value[pos];
14731
14732     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14733   }
14734   else
14735   {
14736     if (id == GADGET_ID_CUSTOM_CONTENT)
14737       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14738     else if (id == GADGET_ID_GROUP_CONTENT)
14739       sprintf(infotext, "group element position: %d", sx + 1);
14740     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14741              id <= GADGET_ID_YAMYAM_CONTENT_7)
14742       sprintf(infotext, "content area %d position: %d, %d",
14743               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14744     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14745              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14746       sprintf(infotext, "content area %d position: %d, %d",
14747               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14748     else if (id == GADGET_ID_ANDROID_CONTENT)
14749       sprintf(infotext, "android element position: %d", sx + 1);
14750     else if (drawingarea_info[type_id].infotext != NULL)
14751       strcpy(infotext, drawingarea_info[type_id].infotext);
14752   }
14753
14754   infotext[max_infotext_len] = '\0';
14755
14756   if (strlen(infotext) > 0)
14757     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14758 }
14759
14760 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14761                             boolean quick_quit)
14762 {
14763   if (!ask_if_level_has_changed ||
14764       !LevelChanged() ||
14765       Request("Level has changed! Exit without saving?",
14766               REQ_ASK | REQ_STAY_OPEN))
14767   {
14768     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14769     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14770
14771     // draw normal door
14772     UndrawSpecialEditorDoor();
14773
14774     // use door animation if door 1 viewport is unchanged and contains toolbox
14775     if (useEditorDoorAnimation())
14776       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14777
14778     // close editor doors if viewport definition is the same as in main menu
14779     if (vp_door_1->x      == DX     &&
14780         vp_door_1->y      == DY     &&
14781         vp_door_1->width  == DXSIZE &&
14782         vp_door_1->height == DYSIZE &&
14783         vp_door_2->x      == VX     &&
14784         vp_door_2->y      == VY     &&
14785         vp_door_2->width  == VXSIZE &&
14786         vp_door_2->height == VYSIZE)
14787       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14788     else
14789       SetDoorState(DOOR_CLOSE_2);
14790
14791     BackToFront();
14792
14793     if (quick_quit)
14794       FadeSkipNextFadeIn();
14795
14796     SetGameStatus(GAME_MODE_MAIN);
14797
14798     DrawMainMenu();
14799   }
14800   else
14801   {
14802     if (!global.use_envelope_request)
14803     {
14804       CloseDoor(DOOR_CLOSE_1);
14805       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14806     }
14807   }
14808 }