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

Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.24 by root, Wed Jan 25 00:42:21 2006 UTC vs.
Revision 1.78 by root, Fri Nov 23 07:59:14 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>
		36	#endif
		37
		38	const char *const xa_names[] =
		39	{
		40	"TEXT",
		41	"COMPOUND_TEXT",
		42	"UTF8_STRING",
		43	"MULTIPLE",
		44	"TARGETS",
		45	"TIMESTAMP",
		46	"VT_SELECTION",
		47	"INCR",
		48	"WM_PROTOCOLS",
		49	"WM_DELETE_WINDOW",
		50	"CLIPBOARD",
		51	"AVERAGE_WIDTH",
		52	"WEIGHT_NAME",
		53	"SLANT",
		54	"CHARSET_REGISTRY",
		55	"CHARSET_ENCODING",
		56	#if ENABLE_FRILLS
		57	"_MOTIF_WM_HINTS",
		58	#endif
		59	#if ENABLE_EWMH
		60	"_NET_WM_PID",
		61	"_NET_WM_NAME",
		62	"_NET_WM_ICON_NAME",
		63	"_NET_WM_PING",
		64	#endif
		65	#if USE_XIM
		66	"WM_LOCALE_NAME",
		67	"XIM_SERVERS",
		68	#endif
		69	#ifdef ENABLE_TRANSPARENCY
		70	"_XROOTPMAP_ID",
		71	"ESETROOT_PMAP_ID",
		72	#endif
		73	#if ENABLE_XEMBED
		74	"_XEMBED",
		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",
35	#endif	90	# endif
		91	#endif
		92	};
		93
		94	/////////////////////////////////////////////////////////////////////////////
36		95
37	refcounted::refcounted (const char *id)	96	refcounted::refcounted (const char *id)
38	{	97	{
39	this->id = strdup (id);	98	this->id = strdup (id);
40	}	99	}
…		…
115	bool	174	bool
116	rxvt_xim::ref_init ()	175	rxvt_xim::ref_init ()
117	{	176	{
118	display = GET_R->display; //HACK: TODO	177	display = GET_R->display; //HACK: TODO
119		178
120	xim = XOpenIM (display->display, NULL, NULL, NULL);	179	xim = XOpenIM (display->dpy, 0, 0, 0);
121		180
122	if (!xim)	181	if (!xim)
123	return false;	182	return false;
124		183
125	XIMCallback ximcallback;	184	XIMCallback ximcallback;
126	ximcallback.client_data = (XPointer)this;	185	ximcallback.client_data = (XPointer)this;
127	ximcallback.callback = im_destroy_cb;	186	ximcallback.callback = im_destroy_cb;
128		187
129	XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL);	188	XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
130		189
131	return true;	190	return true;
132	}	191	}
133		192
134	rxvt_xim::~rxvt_xim ()	193	rxvt_xim::~rxvt_xim ()
…		…
136	if (xim)	195	if (xim)
137	XCloseIM (xim);	196	XCloseIM (xim);
138	}	197	}
139		198
140	#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	}
141		295
142	/////////////////////////////////////////////////////////////////////////////	296	/////////////////////////////////////////////////////////////////////////////
143		297
144	rxvt_display::rxvt_display (const char *id)	298	rxvt_display::rxvt_display (const char *id)
145	: refcounted (id)	299	: refcounted (id)
…		…
147	, selection_owner (0)	301	, selection_owner (0)
148	{	302	{
149	}	303	}
150		304
151	XrmDatabase	305	XrmDatabase
152	rxvt_display::get_resources ()	306	rxvt_display::get_resources (bool refresh)
153	{	307	{
154	char homedir = (char )getenv ("HOME");	308	char homedir = (char )getenv ("HOME");
155	char fname[1024];	309	char fname[1024];
156		310
157	/*	311	/*
158	* get resources using the X library function	312	* get resources using the X library function
159	*/	313	*/
160	char displayResource, xe;	314	char displayResource, xe;
161	XrmDatabase database, rdb1;	315	XrmDatabase rdb1, database = 0;
162
163	database = NULL;
164		316
165	// 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
166		319
167	// 6. System wide per application default file.	320	// 6. System wide per application default file.
168		321
169	/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */	322	/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
170	if ((xe = (char *)getenv ("XAPPLRESDIR")))	323	if ((xe = (char *)getenv ("XAPPLRESDIR")))
…		…
177		330
178	// 5. User's per application default file.	331	// 5. User's per application default file.
179	// none	332	// none
180		333
181	// 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
182	/* 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
183	displayResource = XResourceManagerString (display);	378	displayResource = XResourceManagerString (dpy);
184		379
185	if (displayResource != NULL)	380	if (displayResource)
186	{	381	{
187	if ((rdb1 = XrmGetStringDatabase (displayResource)))	382	if ((rdb1 = XrmGetStringDatabase (displayResource)))
188	XrmMergeDatabases (rdb1, &database);	383	XrmMergeDatabases (rdb1, &database);
189	}	384	}
190	else if (homedir)
191	{
192	snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
193		385
194	if ((rdb1 = XrmGetFileDatabase (fname)))	386	#if !XLIB_ILLEGAL_ACCESS
195	XrmMergeDatabases (rdb1, &database);	387	if (refresh && displayResource)
196	}	388	XFree (displayResource);
		389	#endif
197		390
198	/* Get screen specific resources */	391	/* Get screen specific resources */
199	displayResource = XScreenResourceString (ScreenOfDisplay (display, screen));	392	displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
200		393
201	if (displayResource != NULL)	394	if (displayResource)
202	{	395	{
203	if ((rdb1 = XrmGetStringDatabase (displayResource)))	396	if ((rdb1 = XrmGetStringDatabase (displayResource)))
204	/* Merge with screen-independent resources */	397	/* Merge with screen-independent resources */
205	XrmMergeDatabases (rdb1, &database);	398	XrmMergeDatabases (rdb1, &database);
206		399
…		…
234	if (id[0] == ':')	427	if (id[0] == ':')
235	{	428	{
236	val = rxvt_malloc (5 + strlen (id) + 1);	429	val = rxvt_malloc (5 + strlen (id) + 1);
237	strcpy (val, "unix/");	430	strcpy (val, "unix/");
238	strcat (val, id);	431	strcat (val, id);
239	display = XOpenDisplay (val);	432	dpy = XOpenDisplay (val);
240	free (val);	433	free (val);
241	}	434	}
242	else	435	else
243	#endif	436	#endif
244	display = 0;	437	dpy = 0;
245		438
246	if (!display)	439	if (!dpy)
247	display = XOpenDisplay (id);	440	dpy = XOpenDisplay (id);
248		441
249	if (!display)	442	if (!dpy)
250	return false;	443	return false;
251		444
252	screen = DefaultScreen (display);	445	screen = DefaultScreen (dpy);
253	root = DefaultRootWindow (display);	446	root = DefaultRootWindow (dpy);
254	visual = DefaultVisual (display, screen);
255	cmap = DefaultColormap (display, screen);
256	depth = DefaultDepth (display, screen);
257		447
		448	assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
		449	XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
		450
258	XrmSetDatabase (display, get_resources ());	451	XrmSetDatabase (dpy, get_resources (false));
259		452
260	#ifdef POINTER_BLANK	453	#ifdef POINTER_BLANK
261	XColor blackcolour;	454	XColor blackcolour;
262	blackcolour.red = 0;	455	blackcolour.red = 0;
263	blackcolour.green = 0;	456	blackcolour.green = 0;
264	blackcolour.blue = 0;	457	blackcolour.blue = 0;
265	Font f = XLoadFont (display, "fixed");	458	Font f = XLoadFont (dpy, "fixed");
266	blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',	459	blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
267	&blackcolour, &blackcolour);	460	&blackcolour, &blackcolour);
268	XUnloadFont (display, f);	461	XUnloadFont (dpy, f);
269	#endif	462	#endif
270		463
271	#ifdef PREFER_24BIT
272	/*
273	* If depth is not 24, look for a 24bit visual.
274	*/
275	if (depth != 24)
276	{
277	XVisualInfo vinfo;
278
279	if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
280	{
281	depth = 24;
282	visual = vinfo.visual;
283	cmap = XCreateColormap (display,
284	RootWindow (display, screen),
285	visual, AllocNone);
286	}
287	}
288	#endif
289
290	int fd = XConnectionNumber (display);	464	int fd = XConnectionNumber (dpy);
291		465
292	#ifndef NO_SLOW_LINK_SUPPORT
293	// try to detect wether we have a local connection.	466	// try to detect wether we have a local connection.
294	// assume unix domains socket == local, everything else not	467	// assume unix domain socket == local, everything else not
295	// TODO: might want to check for inet/127.0.0.1	468	// TODO: might want to check for inet/127.0.0.1
296	is_local = 0;	469	is_local = 0;
297	sockaddr_un sa;	470	sockaddr_un sa;
298	socklen_t sl = sizeof (sa);	471	socklen_t sl = sizeof (sa);
299		472
300	if (!getsockname (fd, (sockaddr *)&sa, &sl))	473	if (!getsockname (fd, (sockaddr *)&sa, &sl))
301	is_local = sa.sun_family == AF_LOCAL;	474	is_local = sa.sun_family == AF_UNIX;
302	#endif
303		475
304	x_ev.start (fd, EVENT_READ);	476	x_ev.start (fd, ev::READ);
305	fcntl (fd, F_SETFD, FD_CLOEXEC);	477	fcntl (fd, F_SETFD, FD_CLOEXEC);
306		478
307	XSelectInput (display, root, PropertyChangeMask);	479	XSelectInput (dpy, root, PropertyChangeMask);
308	#ifdef USE_XIM
309	xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
310	#endif
311		480
312	flush ();	481	flush ();
313		482
314	return true;	483	return true;
315	}	484	}
316		485
317	void	486	void
318	rxvt_display::ref_next ()	487	rxvt_display::ref_next ()
319	{	488	{
320	// TODO: somehow check wether the database files/resources changed	489	// TODO: somehow check wether the database files/resources changed
321	// before re-loading/parsing	490	// before affording re-loading/parsing
322	XrmDestroyDatabase (XrmGetDatabase (display));	491	XrmDestroyDatabase (XrmGetDatabase (dpy));
323	XrmSetDatabase (display, get_resources ());	492	XrmSetDatabase (dpy, get_resources (true));
324	}	493	}
325		494
326	rxvt_display::~rxvt_display ()	495	rxvt_display::~rxvt_display ()
327	{	496	{
328	if (!display)	497	if (!dpy)
329	return;	498	return;
330		499
331	#ifdef POINTER_BLANK	500	#ifdef POINTER_BLANK
332	XFreeCursor (display, blank_cursor);	501	XFreeCursor (dpy, blank_cursor);
333	#endif	502	#endif
334	x_ev.stop ();	503	x_ev.stop ();
335	#ifdef USE_XIM	504	#ifdef USE_XIM
336	xims.clear ();	505	xims.clear ();
337	#endif	506	#endif
338	XCloseDisplay (display);	507	XCloseDisplay (dpy);
339	}	508	}
340		509
341	#ifdef USE_XIM	510	#ifdef USE_XIM
342	void rxvt_display::im_change_cb ()	511	void rxvt_display::im_change_cb ()
343	{	512	{
…		…
351	// registers, as xlib crashes due to a race otherwise.	520	// registers, as xlib crashes due to a race otherwise.
352	Atom actual_type, *atoms;	521	Atom actual_type, *atoms;
353	int actual_format;	522	int actual_format;
354	unsigned long nitems, bytes_after;	523	unsigned long nitems, bytes_after;
355		524
356	if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L,	525	if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
357	False, XA_ATOM, &actual_type, &actual_format,	526	False, XA_ATOM, &actual_type, &actual_format,
358	&nitems, &bytes_after, (unsigned char **)&atoms)	527	&nitems, &bytes_after, (unsigned char **)&atoms)
359	!= Success )	528	!= Success )
360	return;	529	return;
361		530
362	if (actual_type == XA_ATOM && actual_format == 32)	531	if (actual_type == XA_ATOM && actual_format == 32)
363	for (int i = 0; i < nitems; i++)	532	for (int i = 0; i < nitems; i++)
364	if (XGetSelectionOwner (display, atoms[i]))	533	if (XGetSelectionOwner (dpy, atoms[i]))
365	{	534	{
366	im_change_cb ();	535	im_change_cb ();
367	break;	536	break;
368	}	537	}
369		538
370	XFree (atoms);	539	XFree (atoms);
371	}	540	}
372	#endif	541	#endif
373		542
374	void rxvt_display::x_cb (io_watcher &w, short revents)	543	void rxvt_display::x_cb (ev::io &w, int revents)
375	{	544	{
376	do	545	while (XEventsQueued (dpy, QueuedAfterReading))
377	{	546	{
378	XEvent xev;	547	XEvent xev;
379	XNextEvent (display, &xev);	548	XNextEvent (dpy, &xev);
380		549
381	#ifdef USE_XIM	550	#ifdef USE_XIM
382	if (!XFilterEvent (&xev, None))	551	if (!XFilterEvent (&xev, None))
383	{	552	{
384	if (xev.type == PropertyNotify	553	if (xev.type == PropertyNotify
385	&& xev.xany.window == root	554	&& xev.xany.window == root
386	&& xev.xproperty.atom == xa_xim_servers)	555	&& xev.xproperty.atom == xa[XA_XIM_SERVERS])
387	im_change_check ();	556	im_change_check ();
388	#endif	557	#endif
		558	if (xev.type == MappingNotify)
		559	XRefreshKeyboardMapping (&xev.xmapping);
		560
389	for (int i = xw.size (); i--; )	561	for (int i = xw.size (); i--; )
390	{	562	{
391	if (!xw[i])	563	if (!xw[i])
392	xw.erase_unordered (i);	564	xw.erase_unordered (i);
393	else if (xw[i]->window == xev.xany.window)	565	else if (xw[i]->window == xev.xany.window)
…		…
395	}	567	}
396	#ifdef USE_XIM	568	#ifdef USE_XIM
397	}	569	}
398	#endif	570	#endif
399	}	571	}
400	while (XEventsQueued (display, QueuedAlready));
401		572
402	XFlush (display);	573	XFlush (dpy);
403	}	574	}
404		575
405	void rxvt_display::flush ()	576	void rxvt_display::flush ()
406	{	577	{
407	if (XEventsQueued (display, QueuedAlready))
408	x_cb (x_ev, EVENT_READ);	578	x_cb (x_ev, ev::READ);
409
410	XFlush (display);
411	}	579	}
412		580
413	void rxvt_display::reg (xevent_watcher *w)	581	void rxvt_display::reg (xevent_watcher *w)
414	{	582	{
		583	if (!w->active)
		584	{
415	xw.push_back (w);	585	xw.push_back (w);
416	w->active = xw.size ();	586	w->active = xw.size ();
		587	}
417	}	588	}
418		589
419	void rxvt_display::unreg (xevent_watcher *w)	590	void rxvt_display::unreg (xevent_watcher *w)
420	{	591	{
421	if (w->active)	592	if (w->active)
		593	{
422	xw[w->active - 1] = 0;	594	xw[w->active - 1] = 0;
		595	w->active = 0;
		596	}
423	}	597	}
424		598
425	void rxvt_display::set_selection_owner (rxvt_term *owner)	599	void rxvt_display::set_selection_owner (rxvt_term *owner)
426	{	600	{
427	if (selection_owner && selection_owner != owner)	601	if (selection_owner && selection_owner != owner)
…		…
429		603
430	selection_owner = owner;	604	selection_owner = owner;
431	}	605	}
432		606
433	#ifdef USE_XIM	607	#ifdef USE_XIM
		608
434	void rxvt_display::reg (im_watcher *w)	609	void rxvt_display::reg (im_watcher *w)
435	{	610	{
436	imw.push_back (w);	611	imw.push_back (w);
437	}	612	}
438		613
…		…
462	return xim;	637	return xim;
463	}	638	}
464		639
465	void rxvt_display::put_xim (rxvt_xim *xim)	640	void rxvt_display::put_xim (rxvt_xim *xim)
466	{	641	{
467	#if XLIB_IS_RACEFREE	642	# if XLIB_IS_RACEFREE
468	xims.put (xim);	643	xims.put (xim);
469	#endif	644	# endif
470	}	645	}
		646
471	#endif	647	#endif
472		648
473	Atom rxvt_display::atom (const char *name)	649	Atom rxvt_display::atom (const char *name)
474	{	650	{
475	return XInternAtom (display, name, False);	651	return XInternAtom (dpy, name, False);
476	}	652	}
477		653
478	/////////////////////////////////////////////////////////////////////////////	654	/////////////////////////////////////////////////////////////////////////////
479		655
480	template class refcache<rxvt_display>;	656	template class refcache<rxvt_display>;
481	refcache<rxvt_display> displays;	657	refcache<rxvt_display> displays;
482		658
483	/////////////////////////////////////////////////////////////////////////////	659	/////////////////////////////////////////////////////////////////////////////
484		660	//
		661
		662	static unsigned int
		663	insert_component (unsigned int value, unsigned int mask, unsigned int shift)
		664	{
		665	return (value * (mask + 1) >> 16) << shift;
		666	}
		667
485	bool	668	bool
486	rxvt_color::set (rxvt_display *display, Pixel p)	669	rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
487	{	670	{
488	#if XFT	671	#if XFT
489	XColor xc;	672	XRenderPictFormat *format;
490		673
491	xc.pixel = p;	674	// FUCKING Xft gets it wrong, of course, so work around it.
492	if (!XQueryColor (display->display, display->cmap, &xc))	675	// Transparency users should eat shit and die, and then
493	return false;	676	// XRenderQueryPictIndexValues themselves plenty.
		677	if ((screen->visual->c_class == TrueColor)
		678	&& (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
		679	{
		680	// the fun lies in doing everything manually...
		681	c.color.red = color.r;
		682	c.color.green = color.g;
		683	c.color.blue = color.b;
		684	c.color.alpha = color.a;
494		685
		686	c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
		687	\| insert_component (color.g, format->direct.greenMask, format->direct.green)
		688	\| insert_component (color.b, format->direct.blueMask , format->direct.blue )
		689	\| insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
		690
		691	return true;
		692	}
		693	else
		694	{
495	XRenderColor d;	695	XRenderColor d;
496		696
497	d.red = xc.red;	697	d.red = color.r;
498	d.green = xc.green;	698	d.green = color.g;
499	d.blue = xc.blue;	699	d.blue = color.b;
500	d.alpha = 0xffff;	700	d.alpha = color.a;
501		701
502	return	702	return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
503	XftColorAllocValue (display->display,	703	}
504	display->visual,
505	display->cmap,
506	&d, &c);
507	#else	704	#else
508	this->p = p;	705	c.red = color.r;
509	#endif	706	c.green = color.g;
		707	c.blue = color.b;
510		708
		709	if (screen->visual->c_class == TrueColor)
		710	{
		711	c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
		712	\| (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
		713	\| (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
		714
		715	return true;
		716	}
		717	else if (XAllocColor (screen->dpy, screen->cmap, &c))
511	return true;	718	return true;
		719	else
		720	c.pixel = (color.r + color.g + color.b) > 128*3
		721	? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
		722	: BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
		723	#endif
		724
		725	return false;
512	}	726	}
513		727
514	bool	728	bool
515	rxvt_color::set (rxvt_display display, const char name)	729	rxvt_color::set (rxvt_screen screen, const char name)
		730	{
		731	rgba c;
		732	char eos;
		733	int skip;
		734
		735	// parse the nonstandard "[alphapercent]" prefix
		736	if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
		737	{
		738	c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
		739	name += skip;
		740	}
		741	else
		742	c.a = rgba::MAX_CC;
		743
		744	// parse the non-standard "#aarrggbb" format
		745	if (name[0] == '#' && strlen (name) == 1+2+2+2+2 && 4 == sscanf (name+1, "%2hx%2hx%2hx%2hx%c", &c.a, &c.r, &c.g, &c.b, &eos))
		746	{
		747	if (c.r)
		748	c.r = (c.r << 8) \| 0x0ff;
		749	if (c.g)
		750	c.g = (c.g << 8) \| 0x0ff;
		751	if (c.b)
		752	c.b = (c.b << 8) \| 0x0ff;
		753	if (c.a)
		754	c.a = (c.a << 8) \| 0x0ff;
		755	}
		756	// parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
		757	else if (strlen (name) != 4+5*4 \|\| 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
		758	{
		759	XColor xc;
		760
		761	if (XParseColor (screen->dpy, screen->cmap, name, &xc))
		762	{
		763	c.r = xc.red;
		764	c.g = xc.green;
		765	c.b = xc.blue;
		766	}
		767	else
		768	{
		769	c.r = 0xffff;
		770	c.g = 0x6969;
		771	c.b = 0xb4b4;
		772
		773	rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
		774	}
		775	}
		776
		777	return set (screen, c);
		778	}
		779
		780	bool
		781	rxvt_color::set (rxvt_screen *screen, const rgba &color)
		782	{
		783	bool got = alloc (screen, color);
		784
		785	#if !ENABLE_MINIMAL
		786	int cmap_size = screen->visual->map_entries;
		787
		788	if (!got
		789	&& screen->visual->c_class == PseudoColor
		790	&& cmap_size < 4096)
		791	{
		792	XColor *colors = new XColor [screen->visual->map_entries];
		793
		794	for (int i = 0; i < cmap_size; i++)
		795	colors [i].pixel = i;
		796
		797	// many kilobytes transfer per colour, but pseudocolor isn't worth
		798	// many extra optimisations.
		799	XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
		800
		801	int diff = 0x7fffffffUL;
		802	XColor *best = colors;
		803
		804	for (int i = 0; i < cmap_size; i++)
		805	{
		806	int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
		807	+ (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
		808	+ (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
		809
		810	if (d < diff)
		811	{
		812	diff = d;
		813	best = colors + i;
		814	}
		815	}
		816
		817	//rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
		818	// color.r, color.g, color.b, best->red, best->green, best->blue, diff);
		819
		820	got = alloc (screen, rgba (best->red, best->green, best->blue));
		821
		822	delete [] colors;
		823	}
		824	#endif
		825
		826	return got;
		827	}
		828
		829	void
		830	rxvt_color::get (rgba &color)
516	{	831	{
517	#if XFT	832	#if XFT
518	return XftColorAllocName (display->display, display->visual, display->cmap,	833	color.r = c.color.red;
519	name, &c);	834	color.g = c.color.green;
		835	color.b = c.color.blue;
		836	color.a = c.color.alpha;
520	#else	837	#else
521	XColor xc;	838	color.r = c.red;
522		839	color.g = c.green;
523	if (XParseColor (display->display, display->cmap, name, &xc))	840	color.b = c.blue;
524	return set (display, xc.red, xc.green, xc.blue);	841	color.a = rgba::MAX_CC;
525
526	return false;
527	#endif	842	#endif
528	}	843	}
529		844
530	bool
531	rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
532	{
533	XColor xc;
534
535	xc.red = cr;
536	xc.green = cg;
537	xc.blue = cb;
538	xc.flags = DoRed \| DoGreen \| DoBlue;
539
540	if (XAllocColor (display->display, display->cmap, &xc))
541	return set (display, xc.pixel);
542
543	return false;
544	}
545
546	void	845	void
547	rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb)	846	rxvt_color::get (XColor &color)
548	{	847	{
		848	rgba c;
		849	get (c);
		850
		851	color.red = c.r;
		852	color.green = c.g;
		853	color.blue = c.b;
		854	color.pixel = (Pixel)*this;
		855	}
		856
		857	void
		858	rxvt_color::free (rxvt_screen *screen)
		859	{
		860	if (screen->visual->c_class == TrueColor)
		861	return; // nothing to do
		862
549	#if XFT	863	#if XFT
550	cr = c.color.red;	864	XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
551	cg = c.color.green;
552	cb = c.color.blue;
553	#else	865	#else
554	XColor c;	866	XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
555
556	c.pixel = p;
557	XQueryColor (display->display, display->cmap, &c);
558
559	cr = c.red;
560	cg = c.green;
561	cb = c.blue;
562	#endif	867	#endif
563	}	868	}
564		869
565	void	870	void
566	rxvt_color::free (rxvt_display *display)	871	rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
567	{	872	{
568	#if XFT	873	rgba c;
569	XftColorFree (display->display, display->visual, display->cmap, &c);	874	get (c);
570	#else
571	XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
572	#endif
573	}
574		875
575	rxvt_color	876	result.set (
576	rxvt_color::fade (rxvt_display *display, int percent)	877	screen,
577	{	878	rgba (
578	percent = 100 - percent;	879	lerp (c.r, to.r, percent),
579		880	lerp (c.g, to.g, percent),
580	unsigned short cr, cg, cb;	881	lerp (c.b, to.b, percent),
581	rxvt_color faded;	882	lerp (c.a, to.a, percent)
582		883	)
583	get (display, cr, cg, cb);
584
585	faded.set (
586	display,
587	cr * percent / 100,
588	cg * percent / 100,
589	cb * percent / 100
590	);	884	);
		885	}
591		886
		887	#if TRACE_PIXMAPS
		888	# undef XCreatePixmap
		889	# undef XFreePixmap
		890	Pixmap trace_XCreatePixmap (const char file, int line, Display dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
		891	{
		892	Pixmap res = XCreatePixmap (dpy, r, w, h, d);
		893	fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
592	return faded;	894	return res;
593	}	895	}
594		896
595	#define LERP(a,b,p) (a * p + b * (100 - p)) / 100	897	void trace_XFreePixmap (const char file, int line, Display dpy, Pixmap p)
596
597	rxvt_color
598	rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
599	{	898	{
600	percent = 100 - percent;	899	fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
601		900	XFreePixmap (dpy,p);
602	unsigned short cr, cg, cb;
603	unsigned short fcr, fcg, fcb;
604	rxvt_color faded;
605
606	get (display, cr, cg, cb);
607	fadeto.get(display, fcr, fcg, fcb);
608
609	faded.set (
610	display,
611	LERP (cr, fcr, percent),
612	LERP (cg, fcg, percent),
613	LERP (cb, fcb, percent)
614	);
615
616	return faded;
617	}	901	}
618		902	#endif

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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents): Revision 1.24 by root, Wed Jan 25 00:42:21 2006 UTC vs. Revision 1.78 by root, Fri Nov 23 07:59:14 2007 UTC

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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.24 by root, Wed Jan 25 00:42:21 2006 UTC vs.
Revision 1.78 by root, Fri Nov 23 07:59:14 2007 UTC