[bpt/emacs.git] / src / xterm.h

/* Definitions and headers for communication with X protocol.
   Copyright (C) 1989 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#ifdef HAVE_X11
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xresource.h>
#else
#include <X/Xlib.h>
#endif /* HAVE_X11 */

/* Define a queue for X-events.  One such queue is used for mouse clicks.
   Another is used for expose events.  */

#define EVENT_BUFFER_SIZE 64

/* Max and Min sizes in character columns. */
#define MINWIDTH 10
#define MINHEIGHT 10
#define MAXWIDTH 300
#define MAXHEIGHT 80

#ifdef HAVE_X11
#define PIX_TYPE unsigned long
#define XDISPLAY x_current_display,
#define XFlushQueue() XFlush(x_current_display)
#define BLACK_PIX_DEFAULT BlackPixel (x_current_display, \
				      XDefaultScreen (x_current_display))
#define WHITE_PIX_DEFAULT WhitePixel (x_current_display, \
				      XDefaultScreen (x_current_display))
#define DISPLAY_SCREEN_ARG x_current_display, \
				      XDefaultScreen (x_current_display)
#define DISPLAY_CELLS DisplayCells (x_current_display, XDefaultScreen (x_current_display))
#define ROOT_WINDOW RootWindow (x_current_display, XDefaultScreen (x_current_display))
#define FONT_TYPE XFontStruct
#define Color XColor

#define XExposeRegionEvent XExposeEvent
#define Bitmap Pixmap			/* In X11, Bitmaps are are kind of
					   Pixmap. */
#define WINDOWINFO_TYPE XWindowAttributes
#define XGetWindowInfo(w, i) XGetWindowAttributes (x_current_display, \
						   (w), (i))
#define XGetFont(f) XLoadQueryFont (x_current_display, (f))
#define XLoseFont(f) XFreeFont (x_current_display, (f))
#define XStuffPending() XPending (x_current_display)
#define XClear(w) XClearWindow (x_current_display, (w))
#define XWarpMousePointer(w,x,y) XWarpPointer (x_current_display, None, w, \
					       0,0,0,0, x, y)
#define XHandleError XSetErrorHandler
#define XHandleIOError XSetIOErrorHandler

#define XChangeWindowSize(w,x,y) XResizeWindow(x_current_display,w,x,y)

#define FONT_WIDTH(f)	((f)->max_bounds.width)
#define FONT_HEIGHT(f)	((f)->ascent + (f)->descent)
#define FONT_BASE(f)    ((f)->ascent)

/* GC values used for drawing non-standard (other face) text. */
extern XGCValues face_gc_values;				      

/* The mask of events that text windows always want to receive.  This
   does not include mouse movement events.  It is used when the window
   is created (in x_window) and when we ask/unask for mouse movement
   events (in XTmouse_tracking_enable).

   We do include ButtonReleases in this set because elisp isn't always
   fast enough to catch them when it wants them, and they're rare
   enough that they don't use much processor time.  */

#define STANDARD_EVENT_SET      \
  (KeyPressMask			\
   | ExposureMask		\
   | ButtonPressMask		\
   | ButtonReleaseMask		\
   | PointerMotionMask		\
   | PointerMotionHintMask	\
   | StructureNotifyMask	\
   | FocusChangeMask		\
   | LeaveWindowMask		\
   | EnterWindowMask		\
   | VisibilityChangeMask)

#else	/* X10 */

#define ConnectionNumber(dpy) dpyno()
#define PIX_TYPE int
#define XDISPLAY
#define XFlushQueue() XFlush()
#define BLACK_PIX_DEFAULT BlackPixel
#define WHITE_PIX_DEFAULT WhitePixel
#define DISPLAY_SCREEN_ARG
#define DISPLAY_CELLS DisplayCells ()
#define ROOT_WINDOW RootWindow
#define XFree free
#define FONT_TYPE FontInfo

#define WINDOWINFO_TYPE WindowInfo
#define XGetWindowInfo(w, i) XQueryWindow ((w), (i))
#define XGetFont(f) XOpenFont ((f))
#define XLoseFont(f) XCloseFont ((f))
#define XStuffPending() XPending ()
#define XWarpMousePointer(w,x,y) XWarpMouse (w,x,y)
#define XHandleError XErrorHandler
#define XHandleIOError XIOErrorHandler

#define FONT_WIDTH(f)	((f)->width)
#define FONT_HEIGHT(f)	((f)->height)
#define FONT_BASE(f)    ((f)->base)

#define XChangeWindowSize(w,x,y) XChangeWindow(w,x,y)

#endif /* X10 */

struct event_queue
  {
    int rindex;			/* Index at which to fetch next. */
    int windex;			/* Index at which to store next.  */
    XEvent xrep[EVENT_BUFFER_SIZE];
  };

/* Queue for mouse clicks.  */
extern struct event_queue x_mouse_queue;

/* Mechanism for interlocking between main program level
   and input interrupt level.  */

/* Nonzero during a critical section.  At such a time, an input interrupt
   does nothing but set `x_pending_input'.  */
extern int x_input_blocked;

/* Nonzero means an input interrupt has arrived
   during the current critical section.  */
extern int x_pending_input;

/* Begin critical section. */
#define BLOCK_INPUT (x_input_blocked++)

/* End critical section. */
#define UNBLOCK_INPUT \
  (x_input_blocked--, (x_input_blocked < 0 ? (abort (), 0) : 0))

#define TOTALLY_UNBLOCK_INPUT (x_input_blocked = 0)
#define UNBLOCK_INPUT_RESIGNAL UNBLOCK_INPUT

/* This is the X connection that we are using.  */

extern Display *x_current_display;

extern struct screen *x_window_to_screen ();

/* The screen (if any) which has the X window that has keyboard focus.
   Zero if none.  This is examined by Ffocus_screen in xfns.c */

struct screen *x_focus_screen;

#ifdef HAVE_X11
/* Variables associated with the X display screen this emacs is using. */

/* How many screens this X display has. */
extern Lisp_Object x_screen_count;

/* The vendor supporting this X server. */
extern Lisp_Object Vx_vendor;

/* The vendor's release number for this X server. */
extern Lisp_Object x_release;

/* Height of this X screen in pixels. */
extern Lisp_Object x_screen_height;

/* Height of this X screen in millimeters. */
extern Lisp_Object x_screen_height_mm;

/* Width of this X screen in pixels. */
extern Lisp_Object x_screen_width;

/* Width of this X screen in millimeters. */
extern Lisp_Object x_screen_width_mm;

/* Does this X screen do backing store? */
extern Lisp_Object Vx_backing_store;

/* Does this X screen do save-unders? */
extern Lisp_Object x_save_under;

/* Number of planes for this screen. */
extern Lisp_Object x_screen_planes;

/* X Visual type of this screen. */
extern Lisp_Object Vx_screen_visual;

#endif /* HAVE_X11 */
\f
enum text_cursor_kinds {
  filled_box_cursor, hollow_box_cursor, bar_cursor
};

#define PIXEL_WIDTH(s) ((s)->display.x->pixel_width)
#define PIXEL_HEIGHT(s) ((s)->display.x->pixel_height)

/* Each X screen object points to its own struct x_display object
   in the display.x field.  The x_display structure contains all
   the information that is specific to X windows.  */

struct x_display
{
  /* Position of the X window (x and y offsets in root window).  */
  int left_pos;
  int top_pos;

  /* Border width of the X window as known by the X window system.  */
  int border_width;

  /* Size of the X window in pixels. */
  int pixel_height, pixel_width;

#ifdef HAVE_X11
  /* The tiled border used when the mouse is out of the screen. */
  Pixmap border_tile;

  /* Here are the Graphics Contexts for the default font. */
  GC normal_gc;				/* Normal video */
  GC reverse_gc;			/* Reverse video */
  GC cursor_gc;				/* cursor drawing */
#endif /* HAVE_X11 */

  /* Width of the internal border.  This is a line of background color
     just inside the window's border.  When the screen is selected,
     a highlighting is displayed inside the internal border.  */
  int internal_border_width;

  /* The X window used for this screen.
     May be zero while the screen object is being created
     and the X window has not yet been created.  */
  Window window_desc;

  /* The X window used for the bitmap icon;
     or 0 if we don't have a bitmap icon.  */
  Window icon_desc;

  /* The X window that is the parent of this X window.
     Usually but not always RootWindow.  */
  Window parent_desc;

  /* 1 for bitmap icon, 0 for text icon.  */
  int icon_bitmap_flag;

  FONT_TYPE *font;

  /* Pixel values used for various purposes.
     border_pixel may be -1 meaning use a gray tile.  */
  PIX_TYPE background_pixel;
  PIX_TYPE foreground_pixel;
  PIX_TYPE cursor_pixel;
  PIX_TYPE border_pixel;
  PIX_TYPE mouse_pixel;

  /* Windows for scrollbars */
  Window v_scrollbar;
  Window v_thumbup;
  Window v_thumbdown;
  Window v_slider;

  Window h_scrollbar;
  Window h_thumbleft;
  Window h_thumbright;
  Window h_slider;

  /* Scrollbar info */

  int v_scrollbar_width;
  int h_scrollbar_height;

  /* Descriptor for the cursor in use for this window.  */
#ifdef HAVE_X11
  Cursor text_cursor;
  Cursor nontext_cursor;
  Cursor modeline_cursor;
#else
  Cursor cursor;
#endif

  /* The name that was associated with the icon, the last time
     it was refreshed.  Usually the same as the name of the
     buffer in the currently selected window in the screen */
  char *icon_label;

  /* Flag to set when the X window needs to be completely repainted. */
  int needs_exposure;

  /* What kind of text cursor is drawn in this window right now?  (If
     there is no cursor (phys_cursor_x < 0), then this means nothing.  */
  enum text_cursor_kinds text_cursor_kind;
};
\f
/* When X windows are used, a glyf may be a 16 bit unsigned datum.
   The high order byte is the face number and is used as an index
   in the face table.  A face is a font plus:
    1) the unhighlighted foreground color,
    2) the unhighlighted background color.
   For highlighting, the two colors are exchanged.
   Face number 0 is unused.  The low order byte of a glyf gives
   the character within the font.  All fonts are assumed to be
   fixed width, and to have the same height and width. */

#ifdef HAVE_X11
/* Table of GC's used for this screen. */
GC *gc_table;

/* How many GCs are in the table. */
int gcs_in_use;

struct face
{
  GC face_gc;
  unsigned int foreground;
  unsigned int background;
  Pixmap stipple;
  XFontStruct *font;
};

#else	/* X10 */

struct face
{
  FONT_TYPE *font;	/* Font info for specified font. */
  int  fg;		/* Unhighlighted foreground. */
  int  bg;		/* Unhighlighted background. */
};
#endif	/* X10 */

#define MAX_FACES_AND_GLYPHS 256
extern struct face *x_face_table[];
Commit	Line	Data
3f930d20 JB	1	/* Definitions and headers for communication with X protocol.
	2	Copyright (C) 1989 Free Software Foundation, Inc.
	3
	4	This file is part of GNU Emacs.
	5
	6	GNU Emacs is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 1, or (at your option)
	9	any later version.
	10
	11	GNU Emacs is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU Emacs; see the file COPYING. If not, write to
	18	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20	#ifdef HAVE_X11
	21	#include <X11/Xlib.h>
	22	#include <X11/cursorfont.h>
	23	#include <X11/Xutil.h>
	24	#include <X11/keysym.h>
	25	#include <X11/Xatom.h>
	26	#include <X11/Xresource.h>
	27	#else
	28	#include <X/Xlib.h>
	29	#endif /* HAVE_X11 */
	30
	31	/* Define a queue for X-events. One such queue is used for mouse clicks.
	32	Another is used for expose events. */
	33
	34	#define EVENT_BUFFER_SIZE 64
	35
3f930d20 JB	36	/* Max and Min sizes in character columns. */
	37	#define MINWIDTH 10
	38	#define MINHEIGHT 10
	39	#define MAXWIDTH 300
	40	#define MAXHEIGHT 80
	41
	42	#ifdef HAVE_X11
	43	#define PIX_TYPE unsigned long
	44	#define XDISPLAY x_current_display,
	45	#define XFlushQueue() XFlush(x_current_display)
	46	#define BLACK_PIX_DEFAULT BlackPixel (x_current_display, \
	47	XDefaultScreen (x_current_display))
	48	#define WHITE_PIX_DEFAULT WhitePixel (x_current_display, \
	49	XDefaultScreen (x_current_display))
	50	#define DISPLAY_SCREEN_ARG x_current_display, \
	51	XDefaultScreen (x_current_display)
	52	#define DISPLAY_CELLS DisplayCells (x_current_display, XDefaultScreen (x_current_display))
	53	#define ROOT_WINDOW RootWindow (x_current_display, XDefaultScreen (x_current_display))
	54	#define FONT_TYPE XFontStruct
	55	#define Color XColor
	56
	57	#define XExposeRegionEvent XExposeEvent
	58	#define Bitmap Pixmap /* In X11, Bitmaps are are kind of
	59	Pixmap. */
	60	#define WINDOWINFO_TYPE XWindowAttributes
	61	#define XGetWindowInfo(w, i) XGetWindowAttributes (x_current_display, \
	62	(w), (i))
	63	#define XGetFont(f) XLoadQueryFont (x_current_display, (f))
	64	#define XLoseFont(f) XFreeFont (x_current_display, (f))
	65	#define XStuffPending() XPending (x_current_display)
	66	#define XClear(w) XClearWindow (x_current_display, (w))
	67	#define XWarpMousePointer(w,x,y) XWarpPointer (x_current_display, None, w, \
	68	0,0,0,0, x, y)
	69	#define XHandleError XSetErrorHandler
	70	#define XHandleIOError XSetIOErrorHandler
	71
	72	#define XChangeWindowSize(w,x,y) XResizeWindow(x_current_display,w,x,y)
	73
	74	#define FONT_WIDTH(f) ((f)->max_bounds.width)
	75	#define FONT_HEIGHT(f) ((f)->ascent + (f)->descent)
	76	#define FONT_BASE(f) ((f)->ascent)
	77
	78	/* GC values used for drawing non-standard (other face) text. */
	79	extern XGCValues face_gc_values;
	80
	81	/* The mask of events that text windows always want to receive. This
8828b393 JB	82	does not include mouse movement events. It is used when the window
	83	is created (in x_window) and when we ask/unask for mouse movement
	84	events (in XTmouse_tracking_enable).
	85
	86	We do include ButtonReleases in this set because elisp isn't always
	87	fast enough to catch them when it wants them, and they're rare
	88	enough that they don't use much processor time. */
3f930d20 JB	89
	90	#define STANDARD_EVENT_SET \
	91	(KeyPressMask \
	92	\| ExposureMask \
	93	\| ButtonPressMask \
8828b393 JB	94	\| ButtonReleaseMask \
	95	\| PointerMotionMask \
	96	\| PointerMotionHintMask \
3f930d20 JB	97	\| StructureNotifyMask \
	98	\| FocusChangeMask \
	99	\| LeaveWindowMask \
	100	\| EnterWindowMask \
	101	\| VisibilityChangeMask)
	102
	103	#else /* X10 */
	104
	105	#define ConnectionNumber(dpy) dpyno()
	106	#define PIX_TYPE int
	107	#define XDISPLAY
	108	#define XFlushQueue() XFlush()
	109	#define BLACK_PIX_DEFAULT BlackPixel
	110	#define WHITE_PIX_DEFAULT WhitePixel
	111	#define DISPLAY_SCREEN_ARG
	112	#define DISPLAY_CELLS DisplayCells ()
	113	#define ROOT_WINDOW RootWindow
	114	#define XFree free
	115	#define FONT_TYPE FontInfo
	116
	117	#define WINDOWINFO_TYPE WindowInfo
	118	#define XGetWindowInfo(w, i) XQueryWindow ((w), (i))
	119	#define XGetFont(f) XOpenFont ((f))
	120	#define XLoseFont(f) XCloseFont ((f))
	121	#define XStuffPending() XPending ()
	122	#define XWarpMousePointer(w,x,y) XWarpMouse (w,x,y)
	123	#define XHandleError XErrorHandler
	124	#define XHandleIOError XIOErrorHandler
	125
	126	#define FONT_WIDTH(f) ((f)->width)
	127	#define FONT_HEIGHT(f) ((f)->height)
	128	#define FONT_BASE(f) ((f)->base)
	129
	130	#define XChangeWindowSize(w,x,y) XChangeWindow(w,x,y)
	131
	132	#endif /* X10 */
	133
	134	struct event_queue
	135	{
	136	int rindex; /* Index at which to fetch next. */
	137	int windex; /* Index at which to store next. */
	138	XEvent xrep[EVENT_BUFFER_SIZE];
	139	};
	140
	141	/* Queue for mouse clicks. */
	142	extern struct event_queue x_mouse_queue;
	143
	144	/* Mechanism for interlocking between main program level
	145	and input interrupt level. */
	146
	147	/* Nonzero during a critical section. At such a time, an input interrupt
	148	does nothing but set `x_pending_input'. */
	149	extern int x_input_blocked;
	150
	151	/* Nonzero means an input interrupt has arrived
	152	during the current critical section. */
	153	extern int x_pending_input;
	154
3f930d20 JB	155	/* Begin critical section. */
	156	#define BLOCK_INPUT (x_input_blocked++)
	157
	158	/* End critical section. */
265a9e55 JB	159	#define UNBLOCK_INPUT \
265a9e55 JB	160	(x_input_blocked--, (x_input_blocked < 0 ? (abort (), 0) : 0))
3f930d20 JB	161
	162	#define TOTALLY_UNBLOCK_INPUT (x_input_blocked = 0)
	163	#define UNBLOCK_INPUT_RESIGNAL UNBLOCK_INPUT
	164
	165	/* This is the X connection that we are using. */
	166
	167	extern Display *x_current_display;
	168
	169	extern struct screen *x_window_to_screen ();
	170
	171	/* The screen (if any) which has the X window that has keyboard focus.
	172	Zero if none. This is examined by Ffocus_screen in xfns.c */
	173
	174	struct screen *x_focus_screen;
	175
	176	#ifdef HAVE_X11
	177	/* Variables associated with the X display screen this emacs is using. */
	178
	179	/* How many screens this X display has. */
	180	extern Lisp_Object x_screen_count;
	181
	182	/* The vendor supporting this X server. */
	183	extern Lisp_Object Vx_vendor;
	184
	185	/* The vendor's release number for this X server. */
	186	extern Lisp_Object x_release;
	187
	188	/* Height of this X screen in pixels. */
	189	extern Lisp_Object x_screen_height;
	190
	191	/* Height of this X screen in millimeters. */
	192	extern Lisp_Object x_screen_height_mm;
	193
	194	/* Width of this X screen in pixels. */
	195	extern Lisp_Object x_screen_width;
	196
	197	/* Width of this X screen in millimeters. */
	198	extern Lisp_Object x_screen_width_mm;
	199
	200	/* Does this X screen do backing store? */
	201	extern Lisp_Object Vx_backing_store;
	202
	203	/* Does this X screen do save-unders? */
	204	extern Lisp_Object x_save_under;
	205
	206	/* Number of planes for this screen. */
	207	extern Lisp_Object x_screen_planes;
	208
	209	/* X Visual type of this screen. */
	210	extern Lisp_Object Vx_screen_visual;
	211
	212	#endif /* HAVE_X11 */
	213	\f
	214	enum text_cursor_kinds {
	215	filled_box_cursor, hollow_box_cursor, bar_cursor
	216	};
	217
	218	#define PIXEL_WIDTH(s) ((s)->display.x->pixel_width)
	219	#define PIXEL_HEIGHT(s) ((s)->display.x->pixel_height)
	220
	221	/* Each X screen object points to its own struct x_display object
	222	in the display.x field. The x_display structure contains all
	223	the information that is specific to X windows. */
	224
225	struct x_display
226	{
227	/* Position of the X window (x and y offsets in root window). */
228	int left_pos;
229	int top_pos;
230
231	/* Border width of the X window as known by the X window system. */
232	int border_width;
233
234	/* Size of the X window in pixels. */
235	int pixel_height, pixel_width;
236
237	#ifdef HAVE_X11
238	/* The tiled border used when the mouse is out of the screen. */
239	Pixmap border_tile;
240
241	/* Here are the Graphics Contexts for the default font. */
242	GC normal_gc; /* Normal video */
243	GC reverse_gc; /* Reverse video */
244	GC cursor_gc; /* cursor drawing */
245	#endif /* HAVE_X11 */
246
247	/* Width of the internal border. This is a line of background color
248	just inside the window's border. When the screen is selected,
249	a highlighting is displayed inside the internal border. */
250	int internal_border_width;
251
252	/* The X window used for this screen.
253	May be zero while the screen object is being created
254	and the X window has not yet been created. */
255	Window window_desc;
256
257	/* The X window used for the bitmap icon;
258	or 0 if we don't have a bitmap icon. */
259	Window icon_desc;
260
261	/* The X window that is the parent of this X window.
262	Usually but not always RootWindow. */
263	Window parent_desc;
264
265	/* 1 for bitmap icon, 0 for text icon. */
266	int icon_bitmap_flag;
267
268	FONT_TYPE *font;
269
270	/* Pixel values used for various purposes.
271	border_pixel may be -1 meaning use a gray tile. */
272	PIX_TYPE background_pixel;
273	PIX_TYPE foreground_pixel;
274	PIX_TYPE cursor_pixel;
275	PIX_TYPE border_pixel;
276	PIX_TYPE mouse_pixel;
277
278	/* Windows for scrollbars */
279	Window v_scrollbar;
280	Window v_thumbup;
281	Window v_thumbdown;
282	Window v_slider;
283
284	Window h_scrollbar;
285	Window h_thumbleft;
286	Window h_thumbright;
287	Window h_slider;
288
289	/* Scrollbar info */
290
291	int v_scrollbar_width;
292	int h_scrollbar_height;
293
294	/* Descriptor for the cursor in use for this window. */
295	#ifdef HAVE_X11
296	Cursor text_cursor;
297	Cursor nontext_cursor;
298	Cursor modeline_cursor;
299	#else
300	Cursor cursor;
301	#endif
302
303	/* The name that was associated with the icon, the last time
304	it was refreshed. Usually the same as the name of the
305	buffer in the currently selected window in the screen */
306	char *icon_label;
307
308	/* Flag to set when the X window needs to be completely repainted. */
309	int needs_exposure;
310
311	/* What kind of text cursor is drawn in this window right now? (If
312	there is no cursor (phys_cursor_x < 0), then this means nothing. */
313	enum text_cursor_kinds text_cursor_kind;
314	};
315	\f
316	/* When X windows are used, a glyf may be a 16 bit unsigned datum.
317	The high order byte is the face number and is used as an index
318	in the face table. A face is a font plus:
319	1) the unhighlighted foreground color,
320	2) the unhighlighted background color.
321	For highlighting, the two colors are exchanged.
322	Face number 0 is unused. The low order byte of a glyf gives
323	the character within the font. All fonts are assumed to be
324	fixed width, and to have the same height and width. */
325
326	#ifdef HAVE_X11
327	/* Table of GC's used for this screen. */
328	GC *gc_table;
329
330	/* How many GCs are in the table. */
331	int gcs_in_use;
332
333	struct face
334	{
335	GC face_gc;
336	unsigned int foreground;
337	unsigned int background;
338	Pixmap stipple;
339	XFontStruct *font;
340	};
341
342	#else /* X10 */
343
344	struct face
345	{
346	FONT_TYPE font; / Font info for specified font. */
347	int fg; /* Unhighlighted foreground. */
348	int bg; /* Unhighlighted background. */
349	};
350	#endif /* X10 */
351
352	#define MAX_FACES_AND_GLYPHS 256
353	extern struct face *x_face_table[];