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