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

Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC vs.
Revision 1.60 by root, Wed Jul 5 20:37:31 2006 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 ()
…		…
177		198
178	#endif	199	#endif
179		200
180	/////////////////////////////////////////////////////////////////////////////	201	/////////////////////////////////////////////////////////////////////////////
181		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
182	void	253	void
183	rxvt_screen::set (rxvt_display *disp)	254	rxvt_screen::set (rxvt_display *disp)
184	{	255	{
185	display = disp;	256	display = disp;
186
187	xdisp = disp->display;	257	dpy = disp->dpy;
188		258
189	Screen *screen = ScreenOfDisplay (xdisp, disp->screen);	259	Screen *screen = ScreenOfDisplay (dpy, disp->screen);
190		260
191	depth = DefaultDepthOfScreen (screen);	261	depth = DefaultDepthOfScreen (screen);
192	visual = DefaultVisualOfScreen (screen);	262	visual = DefaultVisualOfScreen (screen);
193	cmap = DefaultColormapOfScreen (screen);	263	cmap = DefaultColormapOfScreen (screen);
194	}	264	}
195		265
196	void	266	void
197	rxvt_screen::set (rxvt_display *disp, int depth)	267	rxvt_screen::select_visual (int bitdepth)
198	{	268	{
199	set (disp);	269	#if XFT
200
201	XVisualInfo vinfo;	270	XVisualInfo vinfo;
202		271
203	if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo))	272	if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
204	{	273	{
205	this->depth = depth;	274	depth = bitdepth;
206	this->visual = vinfo.visual;	275	visual = vinfo.visual;
207	this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone);	276	cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
208	}	277	}
		278	#endif
209	}	279	}
210		280
211	void	281	void
212	rxvt_screen::clear ()	282	rxvt_screen::clear ()
213	{	283	{
		284	#if XFT
		285	if (scratch_area)
		286	{
		287	XFreePixmap (dpy, scratch_area->drawable);
		288	delete scratch_area;
		289	}
		290	#endif
		291
214	if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen)))	292	if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
215	XFreeColormap (xdisp, cmap);	293	XFreeColormap (dpy, cmap);
216	}	294	}
217		295
218	/////////////////////////////////////////////////////////////////////////////	296	/////////////////////////////////////////////////////////////////////////////
219		297
220	rxvt_display::rxvt_display (const char *id)	298	rxvt_display::rxvt_display (const char *id)
…		…
223	, selection_owner (0)	301	, selection_owner (0)
224	{	302	{
225	}	303	}
226		304
227	XrmDatabase	305	XrmDatabase
228	rxvt_display::get_resources ()	306	rxvt_display::get_resources (bool refresh)
229	{	307	{
230	char homedir = (char )getenv ("HOME");	308	char homedir = (char )getenv ("HOME");
231	char fname[1024];	309	char fname[1024];
232		310
233	/*	311	/*
234	* get resources using the X library function	312	* get resources using the X library function
235	*/	313	*/
236	char displayResource, xe;	314	char displayResource, xe;
237	XrmDatabase database, rdb1;	315	XrmDatabase rdb1, database = 0;
238
239	database = NULL;
240		316
241	// 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
242		319
243	// 6. System wide per application default file.	320	// 6. System wide per application default file.
244		321
245	/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */	322	/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
246	if ((xe = (char *)getenv ("XAPPLRESDIR")))	323	if ((xe = (char *)getenv ("XAPPLRESDIR")))
…		…
253		330
254	// 5. User's per application default file.	331	// 5. User's per application default file.
255	// none	332	// none
256		333
257	// 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
258	/* 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
259	displayResource = XResourceManagerString (display);	378	displayResource = XResourceManagerString (dpy);
260		379
261	if (displayResource != NULL)	380	if (displayResource)
262	{	381	{
263	if ((rdb1 = XrmGetStringDatabase (displayResource)))	382	if ((rdb1 = XrmGetStringDatabase (displayResource)))
264	XrmMergeDatabases (rdb1, &database);	383	XrmMergeDatabases (rdb1, &database);
265	}	384	}
266	else if (homedir)
267	{
268	snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
269		385
270	if ((rdb1 = XrmGetFileDatabase (fname)))	386	#if !XLIB_ILLEGAL_ACCESS
271	XrmMergeDatabases (rdb1, &database);	387	if (refresh && displayResource)
272	}	388	XFree (displayResource);
		389	#endif
273		390
274	/* Get screen specific resources */	391	/* Get screen specific resources */
275	displayResource = XScreenResourceString (ScreenOfDisplay (display, screen));	392	displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
276		393
277	if (displayResource != NULL)	394	if (displayResource)
278	{	395	{
279	if ((rdb1 = XrmGetStringDatabase (displayResource)))	396	if ((rdb1 = XrmGetStringDatabase (displayResource)))
280	/* Merge with screen-independent resources */	397	/* Merge with screen-independent resources */
281	XrmMergeDatabases (rdb1, &database);	398	XrmMergeDatabases (rdb1, &database);
282		399
…		…
310	if (id[0] == ':')	427	if (id[0] == ':')
311	{	428	{
312	val = rxvt_malloc (5 + strlen (id) + 1);	429	val = rxvt_malloc (5 + strlen (id) + 1);
313	strcpy (val, "unix/");	430	strcpy (val, "unix/");
314	strcat (val, id);	431	strcat (val, id);
315	display = XOpenDisplay (val);	432	dpy = XOpenDisplay (val);
316	free (val);	433	free (val);
317	}	434	}
318	else	435	else
319	#endif	436	#endif
320	display = 0;	437	dpy = 0;
321		438
322	if (!display)	439	if (!dpy)
323	display = XOpenDisplay (id);	440	dpy = XOpenDisplay (id);
324		441
325	if (!display)	442	if (!dpy)
326	return false;	443	return false;
327		444
328	screen = DefaultScreen (display);	445	screen = DefaultScreen (dpy);
329	root = DefaultRootWindow (display);	446	root = DefaultRootWindow (dpy);
330		447
331	assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);	448	assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
332	XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa);	449	XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
333		450
334	XrmSetDatabase (display, get_resources ());	451	XrmSetDatabase (dpy, get_resources (false));
335		452
336	#ifdef POINTER_BLANK	453	#ifdef POINTER_BLANK
337	XColor blackcolour;	454	XColor blackcolour;
338	blackcolour.red = 0;	455	blackcolour.red = 0;
339	blackcolour.green = 0;	456	blackcolour.green = 0;
340	blackcolour.blue = 0;	457	blackcolour.blue = 0;
341	Font f = XLoadFont (display, "fixed");	458	Font f = XLoadFont (dpy, "fixed");
342	blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',	459	blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
343	&blackcolour, &blackcolour);	460	&blackcolour, &blackcolour);
344	XUnloadFont (display, f);	461	XUnloadFont (dpy, f);
345	#endif	462	#endif
346		463
347	int fd = XConnectionNumber (display);	464	int fd = XConnectionNumber (dpy);
348		465
349	#ifndef NO_SLOW_LINK_SUPPORT
350	// try to detect wether we have a local connection.	466	// try to detect wether we have a local connection.
351	// assume unix domains socket == local, everything else not	467	// assume unix domains socket == local, everything else not
352	// TODO: might want to check for inet/127.0.0.1	468	// TODO: might want to check for inet/127.0.0.1
353	is_local = 0;	469	is_local = 0;
354	sockaddr_un sa;	470	sockaddr_un sa;
355	socklen_t sl = sizeof (sa);	471	socklen_t sl = sizeof (sa);
356		472
357	if (!getsockname (fd, (sockaddr *)&sa, &sl))	473	if (!getsockname (fd, (sockaddr *)&sa, &sl))
358	is_local = sa.sun_family == AF_LOCAL;	474	is_local = sa.sun_family == AF_LOCAL;
359	#endif
360		475
361	x_ev.start (fd, EVENT_READ);	476	x_ev.start (fd, EVENT_READ);
362	fcntl (fd, F_SETFD, FD_CLOEXEC);	477	fcntl (fd, F_SETFD, FD_CLOEXEC);
363		478
364	XSelectInput (display, root, PropertyChangeMask);	479	XSelectInput (dpy, root, PropertyChangeMask);
365		480
366	flush ();	481	flush ();
367		482
368	return true;	483	return true;
369	}	484	}
370		485
371	void	486	void
372	rxvt_display::ref_next ()	487	rxvt_display::ref_next ()
373	{	488	{
374	// TODO: somehow check wether the database files/resources changed	489	// TODO: somehow check wether the database files/resources changed
375	// before re-loading/parsing	490	// before affording re-loading/parsing
376	XrmDestroyDatabase (XrmGetDatabase (display));	491	XrmDestroyDatabase (XrmGetDatabase (dpy));
377	XrmSetDatabase (display, get_resources ());	492	XrmSetDatabase (dpy, get_resources (true));
378	}	493	}
379		494
380	rxvt_display::~rxvt_display ()	495	rxvt_display::~rxvt_display ()
381	{	496	{
382	if (!display)	497	if (!dpy)
383	return;	498	return;
384		499
385	#ifdef POINTER_BLANK	500	#ifdef POINTER_BLANK
386	XFreeCursor (display, blank_cursor);	501	XFreeCursor (dpy, blank_cursor);
387	#endif	502	#endif
388	x_ev.stop ();	503	x_ev.stop ();
389	#ifdef USE_XIM	504	#ifdef USE_XIM
390	xims.clear ();	505	xims.clear ();
391	#endif	506	#endif
392	XCloseDisplay (display);	507	XCloseDisplay (dpy);
393	}	508	}
394		509
395	#ifdef USE_XIM	510	#ifdef USE_XIM
396	void rxvt_display::im_change_cb ()	511	void rxvt_display::im_change_cb ()
397	{	512	{
…		…
405	// registers, as xlib crashes due to a race otherwise.	520	// registers, as xlib crashes due to a race otherwise.
406	Atom actual_type, *atoms;	521	Atom actual_type, *atoms;
407	int actual_format;	522	int actual_format;
408	unsigned long nitems, bytes_after;	523	unsigned long nitems, bytes_after;
409		524
410	if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L,	525	if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
411	False, XA_ATOM, &actual_type, &actual_format,	526	False, XA_ATOM, &actual_type, &actual_format,
412	&nitems, &bytes_after, (unsigned char **)&atoms)	527	&nitems, &bytes_after, (unsigned char **)&atoms)
413	!= Success )	528	!= Success )
414	return;	529	return;
415		530
416	if (actual_type == XA_ATOM && actual_format == 32)	531	if (actual_type == XA_ATOM && actual_format == 32)
417	for (int i = 0; i < nitems; i++)	532	for (int i = 0; i < nitems; i++)
418	if (XGetSelectionOwner (display, atoms[i]))	533	if (XGetSelectionOwner (dpy, atoms[i]))
419	{	534	{
420	im_change_cb ();	535	im_change_cb ();
421	break;	536	break;
422	}	537	}
423		538
…		…
428	void rxvt_display::x_cb (io_watcher &w, short revents)	543	void rxvt_display::x_cb (io_watcher &w, short revents)
429	{	544	{
430	do	545	do
431	{	546	{
432	XEvent xev;	547	XEvent xev;
433	XNextEvent (display, &xev);	548	XNextEvent (dpy, &xev);
434		549
435	#ifdef USE_XIM	550	#ifdef USE_XIM
436	if (!XFilterEvent (&xev, None))	551	if (!XFilterEvent (&xev, None))
437	{	552	{
438	if (xev.type == PropertyNotify	553	if (xev.type == PropertyNotify
…		…
449	}	564	}
450	#ifdef USE_XIM	565	#ifdef USE_XIM
451	}	566	}
452	#endif	567	#endif
453	}	568	}
454	while (XEventsQueued (display, QueuedAlready));	569	while (XEventsQueued (dpy, QueuedAlready));
455		570
456	XFlush (display);	571	XFlush (dpy);
457	}	572	}
458		573
459	void rxvt_display::flush ()	574	void rxvt_display::flush ()
460	{	575	{
461	if (XEventsQueued (display, QueuedAlready))	576	if (XEventsQueued (dpy, QueuedAlready))
462	x_cb (x_ev, EVENT_READ);	577	x_cb (x_ev, EVENT_READ);
463		578
464	XFlush (display);	579	XFlush (dpy);
465	}	580	}
466		581
467	void rxvt_display::reg (xevent_watcher *w)	582	void rxvt_display::reg (xevent_watcher *w)
468	{	583	{
469	xw.push_back (w);	584	xw.push_back (w);
…		…
483		598
484	selection_owner = owner;	599	selection_owner = owner;
485	}	600	}
486		601
487	#ifdef USE_XIM	602	#ifdef USE_XIM
		603
488	void rxvt_display::reg (im_watcher *w)	604	void rxvt_display::reg (im_watcher *w)
489	{	605	{
490	imw.push_back (w);	606	imw.push_back (w);
491	}	607	}
492		608
…		…
516	return xim;	632	return xim;
517	}	633	}
518		634
519	void rxvt_display::put_xim (rxvt_xim *xim)	635	void rxvt_display::put_xim (rxvt_xim *xim)
520	{	636	{
521	#if XLIB_IS_RACEFREE	637	# if XLIB_IS_RACEFREE
522	xims.put (xim);	638	xims.put (xim);
523	#endif	639	# endif
524	}	640	}
		641
525	#endif	642	#endif
526		643
527	Atom rxvt_display::atom (const char *name)	644	Atom rxvt_display::atom (const char *name)
528	{	645	{
529	return XInternAtom (display, name, False);	646	return XInternAtom (dpy, name, False);
530	}	647	}
531		648
532	/////////////////////////////////////////////////////////////////////////////	649	/////////////////////////////////////////////////////////////////////////////
533		650
534	template class refcache<rxvt_display>;	651	template class refcache<rxvt_display>;
535	refcache<rxvt_display> displays;	652	refcache<rxvt_display> displays;
536		653
537	/////////////////////////////////////////////////////////////////////////////	654	/////////////////////////////////////////////////////////////////////////////
538		655	//
		656
		657	static unsigned int
		658	insert_component (unsigned int value, unsigned int mask, unsigned int shift)
		659	{
		660	return (value * (mask + 1) >> 16) << shift;
		661	}
		662
539	bool	663	bool
540	rxvt_color::set (rxvt_screen *screen, Pixel p)	664	rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
541	{	665	{
542	#if XFT	666	#if XFT
543	XColor xc;	667	XRenderPictFormat *format;
544		668
545	xc.pixel = p;	669	// FUCKING Xft gets it wrong, of course, so work around it.
546	if (!XQueryColor (screen->xdisp, screen->cmap, &xc))	670	// Transparency users should eat shit and die, and then
547	return false;	671	// XRenderQueryPictIndexValues themselves plenty.
		672	if ((screen->visual->c_class == TrueColor)
		673	&& (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
		674	{
		675	// the fun lies in doing everything manually...
		676	c.color.red = color.r;
		677	c.color.green = color.g;
		678	c.color.blue = color.b;
		679	c.color.alpha = color.a;
548		680
		681	c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
		682	\| insert_component (color.g, format->direct.greenMask, format->direct.green)
		683	\| insert_component (color.b, format->direct.blueMask , format->direct.blue )
		684	\| insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
		685
		686	return true;
		687	}
		688	else
		689	{
549	XRenderColor d;	690	XRenderColor d;
550		691
551	d.red = xc.red;	692	d.red = color.r;
552	d.green = xc.green;	693	d.green = color.g;
553	d.blue = xc.blue;	694	d.blue = color.b;
554	d.alpha = 0xffff;	695	d.alpha = color.a;
555		696
556	return	697	return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
557	XftColorAllocValue (screen->xdisp,	698	}
558	screen->visual,
559	screen->cmap,
560	&d, &c);
561	#else	699	#else
562	this->p = p;	700	c.red = color.r;
563	#endif	701	c.green = color.g;
		702	c.blue = color.b;
564		703
		704	if (screen->visual->c_class == TrueColor)
		705	{
		706	c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
		707	/ rgba::MAX_CC) << ctz (screen->visual->red_mask )
		708	\| (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
		709	/ rgba::MAX_CC) << ctz (screen->visual->green_mask)
		710	\| (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
		711	/ rgba::MAX_CC) << ctz (screen->visual->blue_mask );
		712
		713	return true;
		714	}
		715	else if (XAllocColor (screen->dpy, screen->cmap, &c))
565	return true;	716	return true;
		717	else
		718	c.pixel = (color.r + color.g + color.b) > 128*3
		719	? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
		720	: BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
		721	#endif
		722
		723	return false;
566	}	724	}
567		725
568	bool	726	bool
569	rxvt_color::set (rxvt_screen screen, const char name)	727	rxvt_color::set (rxvt_screen screen, const char name)
570	{	728	{
		729	rgba c;
		730	char eos;
		731	int skip;
		732
		733	// parse the nonstandard "[alphapercent]" prefix
		734	if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
		735	{
		736	c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
		737	name += skip;
		738	}
		739	else
		740	c.a = rgba::MAX_CC;
		741
		742	// parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
		743	if (strlen (name) != 4+5*4 \|\| 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
		744	{
		745	XColor xc, xc_exact;
		746
		747	if (XParseColor (screen->dpy, screen->cmap, name, &xc))
		748	{
		749	c.r = xc.red;
		750	c.g = xc.green;
		751	c.b = xc.blue;
		752	}
		753	else
		754	{
		755	c.r = 0xffff;
		756	c.g = 0x6969;
		757	c.b = 0xb4b4;
		758
		759	rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
		760	}
		761	}
		762
		763	return set (screen, c);
		764	}
		765
		766	bool
		767	rxvt_color::set (rxvt_screen *screen, const rgba &color)
		768	{
		769	bool got = alloc (screen, color);
		770
		771	#if !ENABLE_MINIMAL
		772	int cmap_size = screen->visual->map_entries;
		773
		774	if (!got
		775	&& screen->visual->c_class == PseudoColor
		776	&& cmap_size < 4096)
		777	{
		778	XColor *colors = new XColor [screen->visual->map_entries];
		779
		780	for (int i = 0; i < cmap_size; i++)
		781	colors [i].pixel = i;
		782
		783	// many kilobytes transfer per colour, but pseudocolor isn't worth
		784	// many extra optimisations.
		785	XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
		786
		787	int diff = 0x7fffffffUL;
		788	XColor *best = colors;
		789
		790	for (int i = 0; i < cmap_size; i++)
		791	{
		792	int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
		793	+ (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
		794	+ (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
		795
		796	if (d < diff)
		797	{
		798	diff = d;
		799	best = colors + i;
		800	}
		801	}
		802
		803	//rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
		804	// color.r, color.g, color.b, best->red, best->green, best->blue, diff);
		805
		806	got = alloc (screen, rgba (best->red, best->green, best->blue));
		807
		808	delete colors;
		809	}
		810	#endif
		811
		812	return got;
		813	}
		814
		815	void
		816	rxvt_color::get (rgba &color)
		817	{
571	#if XFT	818	#if XFT
572	return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);	819	color.r = c.color.red;
		820	color.g = c.color.green;
		821	color.b = c.color.blue;
		822	color.a = c.color.alpha;
573	#else	823	#else
574	XColor xc;	824	color.r = c.red;
575		825	color.g = c.green;
576	if (XParseColor (screen->xdisp, screen->cmap, name, &xc))	826	color.b = c.blue;
577	return set (screen, xc.red, xc.green, xc.blue);	827	color.a = rgba::MAX_CC;
578
579	return false;
580	#endif	828	#endif
581	}	829	}
582		830
583	bool
584	rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
585	{
586	XColor xc;
587
588	xc.red = cr;
589	xc.green = cg;
590	xc.blue = cb;
591	xc.flags = DoRed \| DoGreen \| DoBlue;
592
593	if (XAllocColor (screen->xdisp, screen->cmap, &xc))
594	return set (screen, xc.pixel);
595
596	return false;
597	}
598
599	void	831	void
600	rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb)	832	rxvt_color::get (XColor &color)
601	{	833	{
602	#if XFT	834	rgba c;
603	cr = c.color.red;	835	get (c);
604	cg = c.color.green;
605	cb = c.color.blue;
606	#else
607	XColor c;
608		836
609	c.pixel = p;	837	color.red = c.r;
610	XQueryColor (screen->xdisp, screen->cmap, &c);	838	color.green = c.g;
611		839	color.blue = c.b;
612	cr = c.red;	840	color.pixel = (Pixel)*this;
613	cg = c.green;
614	cb = c.blue;
615	#endif
616	}	841	}
617		842
618	void	843	void
619	rxvt_color::free (rxvt_screen *screen)	844	rxvt_color::free (rxvt_screen *screen)
620	{	845	{
		846	if (screen->visual->c_class == TrueColor)
		847	return; // nothing to do
		848
621	#if XFT	849	#if XFT
622	XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);	850	XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
623	#else	851	#else
624	XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes);	852	XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
625	#endif	853	#endif
626	}	854	}
627		855
628	rxvt_color	856	void
629	rxvt_color::fade (rxvt_screen *screen, int percent)	857	rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
630	{	858	{
631	percent = 100 - percent;	859	rgba c;
		860	get (c);
632		861
633	unsigned short cr, cg, cb;	862	result.set (
634	rxvt_color faded;
635
636	get (screen, cr, cg, cb);
637
638	faded.set (
639	screen,	863	screen,
640	cr * percent / 100,	864	rgba (
641	cg * percent / 100,	865	lerp (c.r, to.r, percent),
642	cb * percent / 100	866	lerp (c.g, to.g, percent),
		867	lerp (c.b, to.b, percent),
		868	lerp (c.a, to.a, percent)
		869	)
643	);	870	);
644
645	return faded;
646	}	871	}
647		872
648	#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
649
650	rxvt_color
651	rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
652	{
653	percent = 100 - percent;
654
655	unsigned short cr, cg, cb;
656	unsigned short fcr, fcg, fcb;
657	rxvt_color faded;
658
659	get (screen, cr, cg, cb);
660	fadeto.get (screen, fcr, fcg, fcb);
661
662	faded.set (
663	screen,
664	LERP (cr, fcr, percent),
665	LERP (cg, fcg, percent),
666	LERP (cb, fcb, percent)
667	);
668
669	return faded;
670	}
671

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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents): Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC vs. Revision 1.60 by root, Wed Jul 5 20:37:31 2006 UTC

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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC vs.
Revision 1.60 by root, Wed Jul 5 20:37:31 2006 UTC