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