[ViewVC] Diff of: cvs/rxvt-unicode/src/rxvttoolkit.C

Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.25 by root, Wed Jan 25 02:42:06 2006 UTC vs.
Revision 1.64 by root, Mon Feb 12 19:26:10 2007 UTC

…		…
1	/---------------------------------C----------------------------------	1	/----------------------------------------------------------------------
2	* File: rxvttoolkit.C	2	* File: rxvttoolkit.C
3	----------------------------------------------------------------------	3	----------------------------------------------------------------------
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
26		26
27	#include <unistd.h>	27	#include <unistd.h>
28	#include <fcntl.h>	28	#include <fcntl.h>
29		29
30	#include <sys/utsname.h>	30	#include <sys/utsname.h>
31
32	#ifndef NO_SLOW_LINK_SUPPORT
33	# include <sys/socket.h>	31	#include <sys/socket.h>
34	# include <sys/un.h>	32	#include <sys/un.h>
		33
		34	#if XFT
		35	# include <X11/extensions/Xrender.h>
35	#endif	36	#endif
36		37
37	const char *const xa_names[] =	38	const char *const xa_names[] =
38	{	39	{
39	"TEXT",	40	"TEXT",
40	"COMPOUND_TEXT",	41	"COMPOUND_TEXT",
41	"UTF8_STRING",	42	"UTF8_STRING",
42	"MULTIPLE",	43	"MULTIPLE",
43	"TARGETS",	44	"TARGETS",
44	"TIMESTAMP",	45	"TIMESTAMP",
45	"VT_SELECTION",	46	"VT_SELECTION",
46	"INCR",	47	"INCR",
47	"WM_PROTOCOLS",	48	"WM_PROTOCOLS",
48	"WM_DELETE_WINDOW",	49	"WM_DELETE_WINDOW",
49	"CLIPBOARD",	50	"CLIPBOARD",
		51	"AVERAGE_WIDTH",
		52	"WEIGHT_NAME",
		53	"SLANT",
		54	"CHARSET_REGISTRY",
		55	"CHARSET_ENCODING",
50	#if ENABLE_FRILLS	56	#if ENABLE_FRILLS
51	"_MOTIF_WM_HINTS",	57	"_MOTIF_WM_HINTS",
52	#endif	58	#endif
53	#if ENABLE_EWMH	59	#if ENABLE_EWMH
54	"_NET_WM_PID",	60	"_NET_WM_PID",
55	"_NET_WM_NAME",	61	"_NET_WM_NAME",
56	"_NET_WM_ICON_NAME",	62	"_NET_WM_ICON_NAME",
57	"_NET_WM_PING",	63	"_NET_WM_PING",
58	#endif	64	#endif
59	#if USE_XIM	65	#if USE_XIM
60	"WM_LOCALE_NAME",	66	"WM_LOCALE_NAME",
61	"XIM_SERVERS",	67	"XIM_SERVERS",
62	#endif	68	#endif
63	#ifdef TRANSPARENT	69	#ifdef TRANSPARENT
64	"_XROOTPMAP_ID",	70	"_XROOTPMAP_ID",
65	"ESETROOT_PMAP_ID",	71	"ESETROOT_PMAP_ID",
66	#endif	72	#endif
67	#if ENABLE_XEMBED	73	#if ENABLE_XEMBED
68	"_XEMBED",	74	"_XEMBED",
69	"_XEMBED_INFO",	75	"_XEMBED_INFO",
		76	#endif
		77	#if !ENABLE_MINIMAL
		78	"SCREEN_RESOURCES",
		79	"XDCCC_LINEAR_RGB_CORRECTION",
		80	"XDCCC_LINEAR_RGB_MATRICES",
		81	"WM_COLORMAP_WINDOWS",
		82	"WM_STATE",
		83	"cursor",
		84	# if USE_XIM
		85	"TRANSPORT",
		86	"LOCALES",
		87	"_XIM_PROTOCOL",
		88	"_XIM_XCONNECT",
		89	"_XIM_MOREDATA",
70	#endif	90	# endif
71	};	91	#endif
		92	};
72		93
73	/////////////////////////////////////////////////////////////////////////////	94	/////////////////////////////////////////////////////////////////////////////
74		95
75	refcounted::refcounted (const char *id)	96	refcounted::refcounted (const char *id)
76	{	97	{
…		…
153	bool	174	bool
154	rxvt_xim::ref_init ()	175	rxvt_xim::ref_init ()
155	{	176	{
156	display = GET_R->display; //HACK: TODO	177	display = GET_R->display; //HACK: TODO
157		178
158	xim = XOpenIM (display->display, NULL, NULL, NULL);	179	xim = XOpenIM (display->dpy, 0, 0, 0);
159		180
160	if (!xim)	181	if (!xim)
161	return false;	182	return false;
162		183
163	XIMCallback ximcallback;	184	XIMCallback ximcallback;
164	ximcallback.client_data = (XPointer)this;	185	ximcallback.client_data = (XPointer)this;
165	ximcallback.callback = im_destroy_cb;	186	ximcallback.callback = im_destroy_cb;
166		187
167	XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL);	188	XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
168		189
169	return true;	190	return true;
170	}	191	}
171		192
172	rxvt_xim::~rxvt_xim ()	193	rxvt_xim::~rxvt_xim ()
…		…
174	if (xim)	195	if (xim)
175	XCloseIM (xim);	196	XCloseIM (xim);
176	}	197	}
177		198
178	#endif	199	#endif
		200
		201	/////////////////////////////////////////////////////////////////////////////
		202
		203	#if XFT
		204	rxvt_drawable::~rxvt_drawable ()
		205	{
		206	if (xftdrawable)
		207	XftDrawDestroy (xftdrawable);
		208	}
		209
		210	rxvt_drawable::operator XftDraw *()
		211	{
		212	if (!xftdrawable)
		213	xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
		214
		215	return xftdrawable;
		216	}
		217	#endif
		218
		219	/////////////////////////////////////////////////////////////////////////////
		220
		221	#if XFT
		222
		223	// not strictly necessary as it is only used with superclass of zero_initialised
		224	rxvt_screen::rxvt_screen ()
		225	: scratch_area (0)
		226	{
		227	}
		228
		229	rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
		230	{
		231	// it's actually faster to re-allocate every time. don't ask me
		232	// why, but its likely no big deal there are no roundtrips
		233	// (I think/hope).
		234	if (!scratch_area \|\| w > scratch_w \|\| h > scratch_h \|\| 1/D/)
		235	{
		236	if (scratch_area)
		237	{
		238	XFreePixmap (dpy, scratch_area->drawable);
		239	delete scratch_area;
		240	}
		241
		242	Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
		243	scratch_w = w, scratch_h = h, depth);
		244
		245	scratch_area = new rxvt_drawable (this, pm);
		246	}
		247
		248	return *scratch_area;
		249	}
		250
		251	#endif
		252
		253	void
		254	rxvt_screen::set (rxvt_display *disp)
		255	{
		256	display = disp;
		257	dpy = disp->dpy;
		258
		259	Screen *screen = ScreenOfDisplay (dpy, disp->screen);
		260
		261	depth = DefaultDepthOfScreen (screen);
		262	visual = DefaultVisualOfScreen (screen);
		263	cmap = DefaultColormapOfScreen (screen);
		264	}
		265
		266	void
		267	rxvt_screen::select_visual (int bitdepth)
		268	{
		269	#if XFT
		270	XVisualInfo vinfo;
		271
		272	if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
		273	{
		274	depth = bitdepth;
		275	visual = vinfo.visual;
		276	cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
		277	}
		278	#endif
		279	}
		280
		281	void
		282	rxvt_screen::clear ()
		283	{
		284	#if XFT
		285	if (scratch_area)
		286	{
		287	XFreePixmap (dpy, scratch_area->drawable);
		288	delete scratch_area;
		289	}
		290	#endif
		291
		292	if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
		293	XFreeColormap (dpy, cmap);
		294	}
179		295
180	/////////////////////////////////////////////////////////////////////////////	296	/////////////////////////////////////////////////////////////////////////////
181		297
182	rxvt_display::rxvt_display (const char *id)	298	rxvt_display::rxvt_display (const char *id)
183	: refcounted (id)	299	: refcounted (id)
…		…
185	, selection_owner (0)	301	, selection_owner (0)
186	{	302	{
187	}	303	}
188		304
189	XrmDatabase	305	XrmDatabase
190	rxvt_display::get_resources ()	306	rxvt_display::get_resources (bool refresh)
191	{	307	{
192	char homedir = (char )getenv ("HOME");	308	char homedir = (char )getenv ("HOME");
193	char fname[1024];	309	char fname[1024];
194		310
195	/*	311	/*
196	* get resources using the X library function	312	* get resources using the X library function
197	*/	313	*/
198	char displayResource, xe;	314	char displayResource, xe;
199	XrmDatabase database, rdb1;	315	XrmDatabase rdb1, database = 0;
200
201	database = NULL;
202		316
203	// for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20	317	// for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
		318	// as opposed to "standard practise", we always read in ~/.Xdefaults
204		319
205	// 6. System wide per application default file.	320	// 6. System wide per application default file.
206		321
207	/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */	322	/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
208	if ((xe = (char *)getenv ("XAPPLRESDIR")))	323	if ((xe = (char *)getenv ("XAPPLRESDIR")))
…		…
215		330
216	// 5. User's per application default file.	331	// 5. User's per application default file.
217	// none	332	// none
218		333
219	// 4. User's defaults file.	334	// 4. User's defaults file.
		335	if (homedir)
		336	{
		337	snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
		338
		339	if ((rdb1 = XrmGetFileDatabase (fname)))
		340	XrmMergeDatabases (rdb1, &database);
		341	}
		342
220	/* Get any Xserver defaults */	343	/* Get any Xserver defaults */
		344	if (refresh)
		345	{
		346	// fucking xlib keeps a copy of the rm string
		347	Atom actual_type;
		348	int actual_format;
		349	unsigned long nitems, nremaining;
		350	char *val = 0;
		351
		352	#if XLIB_ILLEGAL_ACCESS
		353	if (dpy->xdefaults)
		354	XFree (dpy->xdefaults);
		355	#endif
		356
		357	if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
		358	0L, 100000000L, False,
		359	XA_STRING, &actual_type, &actual_format,
		360	&nitems, &nremaining,
		361	(unsigned char **)&val) == Success
		362	&& actual_type == XA_STRING
		363	&& actual_format == 8)
		364	displayResource = val;
		365	else
		366	{
		367	displayResource = 0;
		368
		369	if (val)
		370	XFree(val);
		371	}
		372
		373	#if XLIB_ILLEGAL_ACCESS
		374	dpy->xdefaults = displayResource;
		375	#endif
		376	}
		377	else
221	displayResource = XResourceManagerString (display);	378	displayResource = XResourceManagerString (dpy);
222		379
223	if (displayResource != NULL)	380	if (displayResource)
224	{	381	{
225	if ((rdb1 = XrmGetStringDatabase (displayResource)))	382	if ((rdb1 = XrmGetStringDatabase (displayResource)))
226	XrmMergeDatabases (rdb1, &database);	383	XrmMergeDatabases (rdb1, &database);
227	}	384	}
228	else if (homedir)
229	{
230	snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
231		385
232	if ((rdb1 = XrmGetFileDatabase (fname)))	386	#if !XLIB_ILLEGAL_ACCESS
233	XrmMergeDatabases (rdb1, &database);	387	if (refresh && displayResource)
234	}	388	XFree (displayResource);
		389	#endif
235		390
236	/* Get screen specific resources */	391	/* Get screen specific resources */
237	displayResource = XScreenResourceString (ScreenOfDisplay (display, screen));	392	displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
238		393
239	if (displayResource != NULL)	394	if (displayResource)
240	{	395	{
241	if ((rdb1 = XrmGetStringDatabase (displayResource)))	396	if ((rdb1 = XrmGetStringDatabase (displayResource)))
242	/* Merge with screen-independent resources */	397	/* Merge with screen-independent resources */
243	XrmMergeDatabases (rdb1, &database);	398	XrmMergeDatabases (rdb1, &database);
244		399
…		…
272	if (id[0] == ':')	427	if (id[0] == ':')
273	{	428	{
274	val = rxvt_malloc (5 + strlen (id) + 1);	429	val = rxvt_malloc (5 + strlen (id) + 1);
275	strcpy (val, "unix/");	430	strcpy (val, "unix/");
276	strcat (val, id);	431	strcat (val, id);
277	display = XOpenDisplay (val);	432	dpy = XOpenDisplay (val);
278	free (val);	433	free (val);
279	}	434	}
280	else	435	else
281	#endif	436	#endif
282	display = 0;	437	dpy = 0;
283		438
284	if (!display)	439	if (!dpy)
285	display = XOpenDisplay (id);	440	dpy = XOpenDisplay (id);
286		441
287	if (!display)	442	if (!dpy)
288	return false;	443	return false;
289		444
290	screen = DefaultScreen (display);	445	screen = DefaultScreen (dpy);
291	root = DefaultRootWindow (display);	446	root = DefaultRootWindow (dpy);
292	visual = DefaultVisual (display, screen);
293	cmap = DefaultColormap (display, screen);
294	depth = DefaultDepth (display, screen);
295		447
296	assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);	448	assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
297	XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa);	449	XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
298		450
299	XrmSetDatabase (display, get_resources ());	451	XrmSetDatabase (dpy, get_resources (false));
300		452
301	#ifdef POINTER_BLANK	453	#ifdef POINTER_BLANK
302	XColor blackcolour;	454	XColor blackcolour;
303	blackcolour.red = 0;	455	blackcolour.red = 0;
304	blackcolour.green = 0;	456	blackcolour.green = 0;
305	blackcolour.blue = 0;	457	blackcolour.blue = 0;
306	Font f = XLoadFont (display, "fixed");	458	Font f = XLoadFont (dpy, "fixed");
307	blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',	459	blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
308	&blackcolour, &blackcolour);	460	&blackcolour, &blackcolour);
309	XUnloadFont (display, f);	461	XUnloadFont (dpy, f);
310	#endif	462	#endif
311		463
312	#ifdef PREFER_24BIT
313	/*
314	* If depth is not 24, look for a 24bit visual.
315	*/
316	if (depth != 24)
317	{
318	XVisualInfo vinfo;
319
320	if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
321	{
322	depth = 24;
323	visual = vinfo.visual;
324	cmap = XCreateColormap (display,
325	RootWindow (display, screen),
326	visual, AllocNone);
327	}
328	}
329	#endif
330
331	int fd = XConnectionNumber (display);	464	int fd = XConnectionNumber (dpy);
332		465
333	#ifndef NO_SLOW_LINK_SUPPORT
334	// try to detect wether we have a local connection.	466	// try to detect wether we have a local connection.
335	// assume unix domains socket == local, everything else not	467	// assume unix domains socket == local, everything else not
336	// TODO: might want to check for inet/127.0.0.1	468	// TODO: might want to check for inet/127.0.0.1
337	is_local = 0;	469	is_local = 0;
338	sockaddr_un sa;	470	sockaddr_un sa;
339	socklen_t sl = sizeof (sa);	471	socklen_t sl = sizeof (sa);
340		472
341	if (!getsockname (fd, (sockaddr *)&sa, &sl))	473	if (!getsockname (fd, (sockaddr *)&sa, &sl))
342	is_local = sa.sun_family == AF_LOCAL;	474	is_local = sa.sun_family == AF_LOCAL;
343	#endif
344		475
345	x_ev.start (fd, EVENT_READ);	476	x_ev.start (fd, EVENT_READ);
346	fcntl (fd, F_SETFD, FD_CLOEXEC);	477	fcntl (fd, F_SETFD, FD_CLOEXEC);
347		478
348	XSelectInput (display, root, PropertyChangeMask);	479	XSelectInput (dpy, root, PropertyChangeMask);
349		480
350	flush ();	481	flush ();
351		482
352	return true;	483	return true;
353	}	484	}
354		485
355	void	486	void
356	rxvt_display::ref_next ()	487	rxvt_display::ref_next ()
357	{	488	{
358	// TODO: somehow check wether the database files/resources changed	489	// TODO: somehow check wether the database files/resources changed
359	// before re-loading/parsing	490	// before affording re-loading/parsing
360	XrmDestroyDatabase (XrmGetDatabase (display));	491	XrmDestroyDatabase (XrmGetDatabase (dpy));
361	XrmSetDatabase (display, get_resources ());	492	XrmSetDatabase (dpy, get_resources (true));
362	}	493	}
363		494
364	rxvt_display::~rxvt_display ()	495	rxvt_display::~rxvt_display ()
365	{	496	{
366	if (!display)	497	if (!dpy)
367	return;	498	return;
368		499
369	#ifdef POINTER_BLANK	500	#ifdef POINTER_BLANK
370	XFreeCursor (display, blank_cursor);	501	XFreeCursor (dpy, blank_cursor);
371	#endif	502	#endif
372	x_ev.stop ();	503	x_ev.stop ();
373	#ifdef USE_XIM	504	#ifdef USE_XIM
374	xims.clear ();	505	xims.clear ();
375	#endif	506	#endif
376	XCloseDisplay (display);	507	XCloseDisplay (dpy);
377	}	508	}
378		509
379	#ifdef USE_XIM	510	#ifdef USE_XIM
380	void rxvt_display::im_change_cb ()	511	void rxvt_display::im_change_cb ()
381	{	512	{
…		…
389	// registers, as xlib crashes due to a race otherwise.	520	// registers, as xlib crashes due to a race otherwise.
390	Atom actual_type, *atoms;	521	Atom actual_type, *atoms;
391	int actual_format;	522	int actual_format;
392	unsigned long nitems, bytes_after;	523	unsigned long nitems, bytes_after;
393		524
394	if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L,	525	if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
395	False, XA_ATOM, &actual_type, &actual_format,	526	False, XA_ATOM, &actual_type, &actual_format,
396	&nitems, &bytes_after, (unsigned char **)&atoms)	527	&nitems, &bytes_after, (unsigned char **)&atoms)
397	!= Success )	528	!= Success )
398	return;	529	return;
399		530
400	if (actual_type == XA_ATOM && actual_format == 32)	531	if (actual_type == XA_ATOM && actual_format == 32)
401	for (int i = 0; i < nitems; i++)	532	for (int i = 0; i < nitems; i++)
402	if (XGetSelectionOwner (display, atoms[i]))	533	if (XGetSelectionOwner (dpy, atoms[i]))
403	{	534	{
404	im_change_cb ();	535	im_change_cb ();
405	break;	536	break;
406	}	537	}
407		538
…		…
412	void rxvt_display::x_cb (io_watcher &w, short revents)	543	void rxvt_display::x_cb (io_watcher &w, short revents)
413	{	544	{
414	do	545	do
415	{	546	{
416	XEvent xev;	547	XEvent xev;
417	XNextEvent (display, &xev);	548	XNextEvent (dpy, &xev);
418		549
419	#ifdef USE_XIM	550	#ifdef USE_XIM
420	if (!XFilterEvent (&xev, None))	551	if (!XFilterEvent (&xev, None))
421	{	552	{
422	if (xev.type == PropertyNotify	553	if (xev.type == PropertyNotify
…		…
433	}	564	}
434	#ifdef USE_XIM	565	#ifdef USE_XIM
435	}	566	}
436	#endif	567	#endif
437	}	568	}
438	while (XEventsQueued (display, QueuedAlready));	569	while (XEventsQueued (dpy, QueuedAlready));
439		570
440	XFlush (display);	571	XFlush (dpy);
441	}	572	}
442		573
443	void rxvt_display::flush ()	574	void rxvt_display::flush ()
444	{	575	{
445	if (XEventsQueued (display, QueuedAlready))	576	if (XEventsQueued (dpy, QueuedAlready))
446	x_cb (x_ev, EVENT_READ);	577	x_cb (x_ev, EVENT_READ);
447		578
448	XFlush (display);	579	XFlush (dpy);
449	}	580	}
450		581
451	void rxvt_display::reg (xevent_watcher *w)	582	void rxvt_display::reg (xevent_watcher *w)
452	{	583	{
		584	if (!w->active)
		585	{
453	xw.push_back (w);	586	xw.push_back (w);
454	w->active = xw.size ();	587	w->active = xw.size ();
		588	}
455	}	589	}
456		590
457	void rxvt_display::unreg (xevent_watcher *w)	591	void rxvt_display::unreg (xevent_watcher *w)
458	{	592	{
459	if (w->active)	593	if (w->active)
		594	{
460	xw[w->active - 1] = 0;	595	xw[w->active - 1] = 0;
		596	w->active = 0;
		597	}
461	}	598	}
462		599
463	void rxvt_display::set_selection_owner (rxvt_term *owner)	600	void rxvt_display::set_selection_owner (rxvt_term *owner)
464	{	601	{
465	if (selection_owner && selection_owner != owner)	602	if (selection_owner && selection_owner != owner)
…		…
467		604
468	selection_owner = owner;	605	selection_owner = owner;
469	}	606	}
470		607
471	#ifdef USE_XIM	608	#ifdef USE_XIM
		609
472	void rxvt_display::reg (im_watcher *w)	610	void rxvt_display::reg (im_watcher *w)
473	{	611	{
474	imw.push_back (w);	612	imw.push_back (w);
475	}	613	}
476		614
…		…
500	return xim;	638	return xim;
501	}	639	}
502		640
503	void rxvt_display::put_xim (rxvt_xim *xim)	641	void rxvt_display::put_xim (rxvt_xim *xim)
504	{	642	{
505	#if XLIB_IS_RACEFREE	643	# if XLIB_IS_RACEFREE
506	xims.put (xim);	644	xims.put (xim);
507	#endif	645	# endif
508	}	646	}
		647
509	#endif	648	#endif
510		649
511	Atom rxvt_display::atom (const char *name)	650	Atom rxvt_display::atom (const char *name)
512	{	651	{
513	return XInternAtom (display, name, False);	652	return XInternAtom (dpy, name, False);
514	}	653	}
515		654
516	/////////////////////////////////////////////////////////////////////////////	655	/////////////////////////////////////////////////////////////////////////////
517		656
518	template class refcache<rxvt_display>;	657	template class refcache<rxvt_display>;
519	refcache<rxvt_display> displays;	658	refcache<rxvt_display> displays;
520		659
521	/////////////////////////////////////////////////////////////////////////////	660	/////////////////////////////////////////////////////////////////////////////
522		661	//
		662
		663	static unsigned int
		664	insert_component (unsigned int value, unsigned int mask, unsigned int shift)
		665	{
		666	return (value * (mask + 1) >> 16) << shift;
		667	}
		668
523	bool	669	bool
524	rxvt_color::set (rxvt_display *display, Pixel p)	670	rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
525	{	671	{
526	#if XFT	672	#if XFT
527	XColor xc;	673	XRenderPictFormat *format;
528		674
529	xc.pixel = p;	675	// FUCKING Xft gets it wrong, of course, so work around it.
530	if (!XQueryColor (display->display, display->cmap, &xc))	676	// Transparency users should eat shit and die, and then
531	return false;	677	// XRenderQueryPictIndexValues themselves plenty.
		678	if ((screen->visual->c_class == TrueColor)
		679	&& (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
		680	{
		681	// the fun lies in doing everything manually...
		682	c.color.red = color.r;
		683	c.color.green = color.g;
		684	c.color.blue = color.b;
		685	c.color.alpha = color.a;
532		686
		687	c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
		688	\| insert_component (color.g, format->direct.greenMask, format->direct.green)
		689	\| insert_component (color.b, format->direct.blueMask , format->direct.blue )
		690	\| insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
		691
		692	return true;
		693	}
		694	else
		695	{
533	XRenderColor d;	696	XRenderColor d;
534		697
535	d.red = xc.red;	698	d.red = color.r;
536	d.green = xc.green;	699	d.green = color.g;
537	d.blue = xc.blue;	700	d.blue = color.b;
538	d.alpha = 0xffff;	701	d.alpha = color.a;
539		702
540	return	703	return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
541	XftColorAllocValue (display->display,	704	}
542	display->visual,
543	display->cmap,
544	&d, &c);
545	#else	705	#else
546	this->p = p;	706	c.red = color.r;
547	#endif	707	c.green = color.g;
		708	c.blue = color.b;
548		709
		710	if (screen->visual->c_class == TrueColor)
		711	{
		712	c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
		713	\| (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
		714	\| (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
		715
		716	return true;
		717	}
		718	else if (XAllocColor (screen->dpy, screen->cmap, &c))
549	return true;	719	return true;
		720	else
		721	c.pixel = (color.r + color.g + color.b) > 128*3
		722	? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
		723	: BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
		724	#endif
		725
		726	return false;
550	}	727	}
551		728
552	bool	729	bool
553	rxvt_color::set (rxvt_display display, const char name)	730	rxvt_color::set (rxvt_screen screen, const char name)
		731	{
		732	rgba c;
		733	char eos;
		734	int skip;
		735
		736	// parse the nonstandard "[alphapercent]" prefix
		737	if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
		738	{
		739	c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
		740	name += skip;
		741	}
		742	else
		743	c.a = rgba::MAX_CC;
		744
		745	// parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
		746	if (strlen (name) != 4+5*4 \|\| 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
		747	{
		748	XColor xc, xc_exact;
		749
		750	if (XParseColor (screen->dpy, screen->cmap, name, &xc))
		751	{
		752	c.r = xc.red;
		753	c.g = xc.green;
		754	c.b = xc.blue;
		755	}
		756	else
		757	{
		758	c.r = 0xffff;
		759	c.g = 0x6969;
		760	c.b = 0xb4b4;
		761
		762	rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
		763	}
		764	}
		765
		766	return set (screen, c);
		767	}
		768
		769	bool
		770	rxvt_color::set (rxvt_screen *screen, const rgba &color)
		771	{
		772	bool got = alloc (screen, color);
		773
		774	#if !ENABLE_MINIMAL
		775	int cmap_size = screen->visual->map_entries;
		776
		777	if (!got
		778	&& screen->visual->c_class == PseudoColor
		779	&& cmap_size < 4096)
		780	{
		781	XColor *colors = new XColor [screen->visual->map_entries];
		782
		783	for (int i = 0; i < cmap_size; i++)
		784	colors [i].pixel = i;
		785
		786	// many kilobytes transfer per colour, but pseudocolor isn't worth
		787	// many extra optimisations.
		788	XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
		789
		790	int diff = 0x7fffffffUL;
		791	XColor *best = colors;
		792
		793	for (int i = 0; i < cmap_size; i++)
		794	{
		795	int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
		796	+ (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
		797	+ (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
		798
		799	if (d < diff)
		800	{
		801	diff = d;
		802	best = colors + i;
		803	}
		804	}
		805
		806	//rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
		807	// color.r, color.g, color.b, best->red, best->green, best->blue, diff);
		808
		809	got = alloc (screen, rgba (best->red, best->green, best->blue));
		810
		811	delete [] colors;
		812	}
		813	#endif
		814
		815	return got;
		816	}
		817
		818	void
		819	rxvt_color::get (rgba &color)
554	{	820	{
555	#if XFT	821	#if XFT
556	return XftColorAllocName (display->display, display->visual, display->cmap,	822	color.r = c.color.red;
557	name, &c);	823	color.g = c.color.green;
		824	color.b = c.color.blue;
		825	color.a = c.color.alpha;
558	#else	826	#else
559	XColor xc;	827	color.r = c.red;
560		828	color.g = c.green;
561	if (XParseColor (display->display, display->cmap, name, &xc))	829	color.b = c.blue;
562	return set (display, xc.red, xc.green, xc.blue);	830	color.a = rgba::MAX_CC;
563
564	return false;
565	#endif	831	#endif
566	}	832	}
567		833
568	bool	834	void
569	rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)	835	rxvt_color::get (XColor &color)
570	{	836	{
571	XColor xc;	837	rgba c;
		838	get (c);
572		839
573	xc.red = cr;	840	color.red = c.r;
574	xc.green = cg;	841	color.green = c.g;
575	xc.blue = cb;	842	color.blue = c.b;
576	xc.flags = DoRed \| DoGreen \| DoBlue;	843	color.pixel = (Pixel)*this;
577
578	if (XAllocColor (display->display, display->cmap, &xc))
579	return set (display, xc.pixel);
580
581	return false;
582	}	844	}
583		845
584	void	846	void
585	rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb)	847	rxvt_color::free (rxvt_screen *screen)
586	{	848	{
		849	if (screen->visual->c_class == TrueColor)
		850	return; // nothing to do
		851
587	#if XFT	852	#if XFT
588	cr = c.color.red;	853	XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
589	cg = c.color.green;
590	cb = c.color.blue;
591	#else	854	#else
592	XColor c;	855	XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
593
594	c.pixel = p;
595	XQueryColor (display->display, display->cmap, &c);
596
597	cr = c.red;
598	cg = c.green;
599	cb = c.blue;
600	#endif	856	#endif
601	}	857	}
602		858
603	void	859	void
604	rxvt_color::free (rxvt_display *display)	860	rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
605	{	861	{
606	#if XFT	862	rgba c;
607	XftColorFree (display->display, display->visual, display->cmap, &c);	863	get (c);
608	#else
609	XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
610	#endif
611	}
612		864
613	rxvt_color	865	result.set (
614	rxvt_color::fade (rxvt_display *display, int percent)	866	screen,
615	{	867	rgba (
616	percent = 100 - percent;	868	lerp (c.r, to.r, percent),
617		869	lerp (c.g, to.g, percent),
618	unsigned short cr, cg, cb;	870	lerp (c.b, to.b, percent),
619	rxvt_color faded;	871	lerp (c.a, to.a, percent)
620		872	)
621	get (display, cr, cg, cb);
622
623	faded.set (
624	display,
625	cr * percent / 100,
626	cg * percent / 100,
627	cb * percent / 100
628	);	873	);
629
630	return faded;
631	}	874	}
632		875
633	#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
634
635	rxvt_color
636	rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
637	{
638	percent = 100 - percent;
639
640	unsigned short cr, cg, cb;
641	unsigned short fcr, fcg, fcb;
642	rxvt_color faded;
643
644	get (display, cr, cg, cb);
645	fadeto.get(display, fcr, fcg, fcb);
646
647	faded.set (
648	display,
649	LERP (cr, fcr, percent),
650	LERP (cg, fcg, percent),
651	LERP (cb, fcb, percent)
652	);
653
654	return faded;
655	}
656

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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents): Revision 1.25 by root, Wed Jan 25 02:42:06 2006 UTC vs. Revision 1.64 by root, Mon Feb 12 19:26:10 2007 UTC

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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.25 by root, Wed Jan 25 02:42:06 2006 UTC vs.
Revision 1.64 by root, Mon Feb 12 19:26:10 2007 UTC