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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 2003 UTC vs.
Revision 1.319 by sf-exg, Sun Jan 24 21:53:13 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.5 2003/11/25 15:44:38 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
45	#endif	51	# endif
		52	#endif
46		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
		59	static char curlocale[128], savelocale[128];
		60
		61	bool
		62	rxvt_set_locale (const char *locale) NOTHROW
		63	{
		64	int size = strlen (locale) + 1;
		65
		66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
		73	setlocale (LC_CTYPE, curlocale);
		74	return true;
		75	}
		76
47	void *	77	void
48	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
49	{	79	{
50	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
51		83
52	MEMSET (p, 0, s);	84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
53	return p;	149	return len;
54	}
55		150
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	151	}
		152	#endif
61		153
62	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
64	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
66	#endif	161	#endif
67	x_ev (this, &rxvt_term::x_cb)	162	#ifdef TEXT_BLINK
68	{	163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		180	#endif
		181	#ifdef POINTER_BLANK
		182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		183	#endif
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
69	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
70	}	214	}
71		215
72	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
73	{	217	{
74	delete PixColors;	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
75	}
76		219
77	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
78	/* rxvt_init() */
79	/* LIBPROTO */
80	rxvt_t
81	rxvt_init(int argc, const char *const *argv)
82	{
83	SET_R(new rxvt_term);
84	dR;
85		221
86	if (!R->init_vars () || !R->init (argc, argv))	222	#if ENABLE_STYLES
87	{	223	for (int i = RS_styleCount; --i; )
88	delete R;	224	if (fontset[i] != fontset[0])
89	return NULL;	225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232	#ifdef HAVE_AFTERIMAGE
		233	if (asv)
		234	destroy_asvisual (asv, 0);
		235	if (asimman)
		236	destroy_image_manager (asimman, 0);
		237	#endif
		238
		239	if (display)
90	}	240	{
		241	selection_clear ();
		242	selection_clear (true);
91		243
		244	#ifdef USE_XIM
		245	im_destroy ();
		246	#endif
		247	scrollBar.destroy ();
		248	if (gc) XFreeGC (dpy, gc);
		249
		250	delete drawable;
		251	// destroy all windows
		252	if (parent[0])
		253	XDestroyWindow (dpy, parent[0]);
		254
		255	for (int i = 0; i < TOTAL_COLORS; i++)
		256	if (ISSET_PIXCOLOR (i))
		257	{
		258	pix_colors_focused [i].free (this);
		259	#if OFF_FOCUS_FADING
		260	pix_colors_unfocused [i].free (this);
		261	#endif
		262	}
		263
		264	clear ();
		265
		266	display->flush (); /* ideally .put should do this */
		267	displays.put (display);
		268	}
		269
		270	scr_release ();
		271
		272	/* clear all resources */
		273	for (int i = 0; i < allocated.size (); i++)
		274	free (allocated [i]);
		275
		276	free (selection.text);
		277	free (selection.clip_text);
		278	// TODO: manage env vars in child only(!)
		279	free (env_display);
		280	free (env_term);
		281	free (locale);
		282	free (v_buffer);
		283	free (incr_buf);
		284
		285	delete envv;
		286	delete argv;
		287
		288	#ifdef KEYSYM_RESOURCE
		289	delete keyboard;
		290	#endif
		291	#ifndef NO_RESOURCES
		292	XrmDestroyDatabase (option_db);
		293	#endif
		294	}
		295
		296	// child has exited, usually destroys
		297	void
		298	rxvt_term::child_cb (ev::child &w, int status)
		299	{
		300	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		301
		302	cmd_pid = 0;
		303
		304	if (!option (Opt_hold))
		305	destroy ();
		306	}
		307
		308	void
		309	rxvt_term::destroy ()
		310	{
		311	if (destroy_ev.is_active ())
92	return R;	312	return;
93	}
94		313
95	bool	314	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
96	rxvt_term::init (int argc, const char *const *argv)
97	{
98	dR;//TODO (scrollbar, setidle)
99		315
100	/*	316	#if ENABLE_OVERLAY
101	* Save and then give up any super-user privileges	317	scr_overlay_off ();
102	* If we need privileges in any area then we must specifically request it.
103	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems
106	*/
107	rxvt_privileges (this, SAVE);
108	rxvt_privileges (this, IGNORE);
109
110	rxvt_init_secondary (this);
111
112	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
113
114	#if (MENUBAR_MAX)
115	rxvt_menubar_read (this, rs[Rs_menu]);
116	#endif	318	#endif
117	#ifdef HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif
121		319
122	rxvt_Create_Windows (this, argc, argv);	320	if (display)
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
137	#endif
138	#endif
139
140	#ifdef HAVE_SCROLLBARS
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT
149	if (Options & Opt_transparent)
150	{
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}	321	{
		322	#if USE_XIM
		323	im_ev.stop (display);
154	#endif	324	#endif
155	XMapWindow (Xdisplay, TermWin.vt);	325	scrollbar_ev.stop (display);
156	XMapWindow (Xdisplay, TermWin.parent[0]);	326	#if ENABLE_TRANSPARENCY || ENABLE_PERL
157		327	rootwin_ev.stop (display);
158	rxvt_init_env (this);
159	rxvt_init_command (this, cmd_argv);
160
161	x_ev.start (Xfd, EVENT_READ);
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}
166
167	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */
170	/*
171	* Catch a SIGCHLD signal and exit if the direct child has died
172	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180
181	do {
182	errno = 0;
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
184
185	if (pid == R->cmd_pid)
186	exit(EXIT_SUCCESS);
187
188	errno = save_errno;
189	signal(SIGCHLD, rxvt_Child_signal);
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif	328	#endif
203	rxvt_clean_exit();	329	incr_ev.stop ();
204	kill(getpid(), sig);	330	termwin_ev.stop (display);
205	}	331	vt_ev.stop (display);
206
207	/* ARGSUSED */
208	/* INTPROTO */
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214
215	if (R->allowedxerror == -1) {
216	R->allowedxerror = event->error_code;
217	return 0; /* ignored anyway */
218	}	332	}
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",	333
220	event->request_code, event->minor_code,	334	flush_ev.stop ();
221	event->error_code);	335	pty_ev.stop ();
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	336	#ifdef CURSOR_BLINK
223	exit(EXIT_FAILURE);	337	cursor_blink_ev.stop ();
224	/* NOTREACHED */	338	#endif
		339	#ifdef TEXT_BLINK
		340	text_blink_ev.stop ();
		341	#endif
		342	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		343	cont_scroll_ev.stop ();
		344	#endif
		345	#ifdef SELECTION_SCROLLING
		346	sel_scroll_ev.stop ();
		347	#endif
		348	#ifdef POINTER_BLANK
		349	pointer_ev.stop ();
		350	#endif
		351
		352	destroy_ev.start ();
		353	}
		354
		355	void
		356	rxvt_term::destroy_cb (ev::idle &w, int revents)
		357	{
		358	make_current ();
		359
		360	delete this;
225	}	361	}
226		362
227	/*----------------------------------------------------------------------*/	363	/*----------------------------------------------------------------------*/
228	/*	364	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes	365	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* TODO: if debugging, this should free up any known resources if we can	366	* TODO: if debugging, this should free up any known resources if we can
231	*/	367	*/
232	/* EXTPROTO */	368	static XErrorHandler old_xerror_handler;
233	void
234	rxvt_clean_exit(void)
235	{
236	dR;
237		369
238	#ifdef DEBUG_SCREEN	370	static void
239	rxvt_scr_release(aR);	371	rxvt_emergency_cleanup ()
240	#endif
241	#ifndef NO_SETOWNER_TTYDEV
242	rxvt_privileged_ttydev(aR_ RESTORE);
243	#endif
244	#ifdef UTMP_SUPPORT
245	rxvt_privileged_utmp(aR_ RESTORE);
246	#endif
247	#ifdef USE_XIM
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}
252	#endif
253	}
254
255	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */
258	/* EXTPROTO */
259	void *
260	rxvt_malloc(size_t size)
261	{	372	{
262	void *p;	373	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
263		374	(*t)->emergency_cleanup ();
264	p = malloc(size);
265	if (p)
266	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}	375	}
273		376
274	/* EXTPROTO */	377	#if !ENABLE_MINIMAL
275	void *	378	static void
276	rxvt_calloc(size_t number, size_t size)	379	print_x_error (Display *dpy, XErrorEvent *event)
277	{	380	{
278	void *p;	381	char buffer[BUFSIZ];
279		382	char mesg[BUFSIZ];
280	p = calloc(number, size);	383	char number[32];
281	if (p)	384	char *mtype = "XlibMessage";
282	return p;	385	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
283		386	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	387	rxvt_warn ("An X Error occured, trying to continue after report.\n");
285	rxvt_clean_exit();	388	rxvt_warn ("%s: %s\n", mesg, buffer);
286	exit(EXIT_FAILURE);	389	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
287	/* NOTREACHED */	390	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		391	sprintf(number, "%d", event->request_code);
		392	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		393	rxvt_warn ("(which is %s)\n", buffer);
		394	if (event->request_code >= 128) {
		395	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		396	mesg, BUFSIZ);
		397	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		398	}
		399	if ((event->error_code == BadWindow) ||
		400	(event->error_code == BadPixmap) ||
		401	(event->error_code == BadCursor) ||
		402	(event->error_code == BadFont) ||
		403	(event->error_code == BadDrawable) ||
		404	(event->error_code == BadColor) ||
		405	(event->error_code == BadGC) ||
		406	(event->error_code == BadIDChoice) ||
		407	(event->error_code == BadValue) ||
		408	(event->error_code == BadAtom)) {
		409	if (event->error_code == BadValue)
		410	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		411	mesg, BUFSIZ);
		412	else if (event->error_code == BadAtom)
		413	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		414	mesg, BUFSIZ);
		415	else
		416	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		419	}
		420	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		421	mesg, BUFSIZ);
		422	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
288	}	423	}
289
290	/* EXTPROTO */
291	void *
292	rxvt_realloc(void *ptr, size_t size)
293	{
294	void *p;
295
296	if (ptr)
297	p = realloc(ptr, size);
298	else
299	p = malloc(size);
300	if (p)
301	return p;
302
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
304	rxvt_clean_exit();
305	exit(EXIT_FAILURE);
306	/* NOTREACHED */
307	}
308
309	/* ------------------------------------------------------------------------- *
310	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void
315	rxvt_privileges(pR_ int mode)
316	{
317	#if ! defined(__CYGWIN32__)
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
319	/* setreuid() is the poor man's setuid(), seteuid() */
320	# define seteuid(a) setreuid(-1, (a))
321	# define setegid(a) setregid(-1, (a))
322	# define HAVE_SETEUID
323	# endif	424	#endif
324	# ifdef HAVE_SETEUID	425
325	switch (mode) {	426	int
326	case IGNORE:	427	rxvt_xerror_handler (Display *display, XErrorEvent *event)
327	/*	428	{
328	* change effective uid/gid - not real uid/gid - so we can switch	429	if (GET_R->allowedxerror == -1)
329	* back to root later, as required	430	GET_R->allowedxerror = event->error_code;
330	*/	431	else
331	seteuid(getuid());
332	setegid(getgid());
333	break;
334	case SAVE:
335	R->euid = geteuid();
336	R->egid = getegid();
337	break;
338	case RESTORE:
339	seteuid(R->euid);
340	setegid(R->egid);
341	break;
342	}	432	{
		433	// GET_R is most likely not the terminal which caused the error,
		434	// so just output the error and continue
		435	#if ENABLE_MINIMAL
		436	old_xerror_handler (display, event);
343	# else	437	#else
344	switch (mode) {	438	print_x_error (display, event);
345	case IGNORE:
346	setuid(getuid());
347	setgid(getgid());
348	/* FALLTHROUGH */
349	case SAVE:
350	/* FALLTHROUGH */
351	case RESTORE:
352	break;
353	}
354	# endif	439	#endif
355	#endif	440	}
356	}
357		441
358	#ifdef UTMP_SUPPORT	442	return 0;
359	/* EXTPROTO */	443	}
360	void
361	rxvt_privileged_utmp(pR_ char action)
362	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
364	action, R->next_utmp_action, getpid()));
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')
368	return;
369		444
370	rxvt_privileges(aR_ RESTORE);	445	int
371	if (action == SAVE) {	446	rxvt_xioerror_handler (Display *display)
372	R->next_utmp_action = RESTORE;	447	{
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	448	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
374	} else { /* action == RESTORE */	449	DisplayString (display));
375	R->next_utmp_action = IGNORE;	450	rxvt_emergency_cleanup ();
376	rxvt_cleanutent(aR);	451	_exit (EXIT_FAILURE);
		452	}
		453
		454	static struct sig_handlers
		455	{
		456	ev::sig sw_term, sw_int;
		457
		458	/*
		459	* Catch a fatal signal and tidy up before quitting
		460	*/
		461	void sig_term (ev::sig &w, int revents);
		462
		463	sig_handlers ()
		464	{
		465	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		466	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
377	}	467	}
378	rxvt_privileges(aR_ IGNORE);	468	} sig_handlers;
379	}
380	#endif
381		469
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void	470	void
385	rxvt_privileged_ttydev(pR_ char action)	471	sig_handlers::sig_term (ev::sig &w, int revents)
386	{	472	{
387	D_MAIN((stderr,	473	rxvt_emergency_cleanup ();
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	474	w.stop ();
389	action, R->next_tty_action, getpid()));	475	kill (getpid (), w.signum);
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else
403	# endif
404	{
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
406	chmod(R->ttydev, R->ttymode);
407	# ifdef HAVE_REVOKE
408	revoke(R->ttydev);
409	# endif
410	}
411	} else { /* action == RESTORE */
412	R->next_tty_action = IGNORE;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
416	# else
417	chmod(R->ttydev,
418	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
419	chown(R->ttydev, 0, 0);
420	# endif
421	}
422
423	rxvt_privileges(aR_ IGNORE);
424
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
427	action == RESTORE ? "Restoring" : (action ==
428	SAVE ? "Saving" :
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif
433	}	476	}
434	#endif	477
		478	char **rxvt_environ; // startup environment
		479
		480	void
		481	rxvt_init ()
		482	{
		483	ptytty::init ();
		484
		485	if (!ev_default_loop (0))
		486	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		487
		488	rxvt_environ = environ;
		489
		490	signal (SIGHUP, SIG_IGN);
		491	signal (SIGPIPE, SIG_IGN);
		492
		493	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		494	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		495
		496	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		497	/* signal (SIGURG, SIG_DFL); */
		498
		499	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		500	// TODO: handle this with exceptions and tolerate the memory loss
		501	XSetIOErrorHandler (rxvt_xioerror_handler);
		502
		503	XrmInitialize ();
		504	}
435		505
436	/*----------------------------------------------------------------------*/	506	/*----------------------------------------------------------------------*/
437	/*	507	/*
438	* window size/position calculcations for XSizeHint and other storage.	508	* window size/position calculations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	509	* if width/height are non-zero then override calculated width/height
440	*/	510	*/
441	/* EXTPROTO */
442	void	511	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	512	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
444	{	513	{
445	short recalc_x, recalc_y;	514	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	515	int x, y, flags;
447	unsigned int w, h;	516	unsigned int w, h;
448	unsigned int max_width, max_height;	517	unsigned int max_width, max_height;
449		518
450	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
452	R->szHint.height));
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	519	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	520	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	521	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		522
457	recalc_x = recalc_y = 0;	523	recalc_x = recalc_y = 0;
458	flags = 0;	524	flags = 0;
		525
459	if (!R->parsed_geometry) {	526	if (!parsed_geometry)
		527	{
460	R->parsed_geometry = 1;	528	parsed_geometry = 1;
		529
461	if (R->rs[Rs_geometry])	530	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	531	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		532
463	if (flags & WidthValue) {	533	if (flags & WidthValue)
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	534	{
		535	if (!w)
		536	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		537
		538	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
465	R->szHint.flags |= USSize;	539	szHint.flags |= USSize;
466	}	540	}
		541
467	if (flags & HeightValue) {	542	if (flags & HeightValue)
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	543	{
		544	if (!h)
		545	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		546
		547	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
469	R->szHint.flags |= USSize;	548	szHint.flags |= USSize;
470	}	549	}
		550
471	if (flags & XValue) {	551	if (flags & XValue)
		552	{
472	R->szHint.x = x;	553	szHint.x = x;
473	R->szHint.flags |= USPosition;	554	szHint.flags |= USPosition;
		555
474	if (flags & XNegative) {	556	if (flags & XNegative)
		557	{
475	recalc_x = 1;	558	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	559	szHint.win_gravity = NorthEastGravity;
477	}	560	}
478	}	561	}
		562
479	if (flags & YValue) {	563	if (flags & YValue)
		564	{
480	R->szHint.y = y;	565	szHint.y = y;
481	R->szHint.flags |= USPosition;	566	szHint.flags |= USPosition;
		567
482	if (flags & YNegative) {	568	if (flags & YNegative)
		569	{
483	recalc_y = 1;	570	recalc_y = 1;
		571
484	if (R->szHint.win_gravity == NorthEastGravity)	572	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	573	szHint.win_gravity = SouthEastGravity;
486	else	574	else
487	R->szHint.win_gravity = SouthWestGravity;	575	szHint.win_gravity = SouthWestGravity;
488	}	576	}
489	}	577	}
490	}	578	}
		579
491	/* TODO: BOUNDS */	580	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	581	width = ncol * fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	582	height = nrow * fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	583	max_width = MAX_COLS * fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	584	max_height = MAX_ROWS * fheight;
496		585
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	586	szHint.base_width = szHint.base_height = 2 * int_bwidth;
498		587
499	sb_w = mb_h = 0;
500	R->window_vt_x = R->window_vt_y = 0;	588	window_vt_x = window_vt_y = int_bwidth;
501	if (scrollbar_visible(R)) {	589
		590	if (scrollBar.state)
		591	{
502	sb_w = scrollbar_TotalWidth();	592	int sb_w = scrollBar.total_width ();
503	R->szHint.base_width += sb_w;	593	szHint.base_width += sb_w;
		594
504	if (!(R->Options & Opt_scrollBar_right))	595	if (!option (Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	596	window_vt_x += sb_w;
506	}	597	}
507	if (menubar_visible(R)) {	598
508	mb_h = menuBar_TotalHeight();
509	R->szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;
511	}
512	R->szHint.width_inc = R->TermWin.fwidth;	599	szHint.width_inc = fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	600	szHint.height_inc = fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	601	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	602	szHint.min_height = szHint.base_height + szHint.height_inc;
516		603
517	if (width && width - R->szHint.base_width < max_width) {	604	if (newwidth && newwidth - szHint.base_width < max_width)
		605	{
518	R->szHint.width = width;	606	szHint.width = newwidth;
519	R->TermWin.width = width - R->szHint.base_width;	607	width = newwidth - szHint.base_width;
520	} else {	608	}
521	MIN_IT(R->TermWin.width, max_width);	609	else
		610	{
		611	min_it (width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	612	szHint.width = szHint.base_width + width;
523	}	613	}
		614
524	if (height && height - R->szHint.base_height < max_height) {	615	if (newheight && newheight - szHint.base_height < max_height)
		616	{
525	R->szHint.height = height;	617	szHint.height = newheight;
526	R->TermWin.height = height - R->szHint.base_height;	618	height = newheight - szHint.base_height;
527	} else {	619	}
528	MIN_IT(R->TermWin.height, max_height);	620	else
		621	{
		622	min_it (height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	623	szHint.height = szHint.base_height + height;
530	}	624	}
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;
533		625
534	if (recalc_x)	626	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	627	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	628
537	if (recalc_y)	629	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	630	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
540		631
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	632	ncol = width / fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	633	nrow = height / fheight;
543	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
545	R->szHint.height));
546	return;
547	}	634	}
548		635
549	/*----------------------------------------------------------------------*/	636	/*----------------------------------------------------------------------*/
550	/*	637	/*
551	* Tell the teletype handler what size the window is.	638	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	639	* Called after a window size change.
553	*/	640	*/
554	/* EXTPROTO */
555	void	641	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	642	rxvt_term::tt_winch ()
557	{	643	{
		644	if (pty->pty < 0)
		645	return;
		646
558	struct winsize ws;	647	struct winsize ws;
559		648
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	649	ws.ws_col = ncol;
563	ws.ws_row = row;	650	ws.ws_row = nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	651	ws.ws_xpixel = width;
565	#ifndef DEBUG_SIZE	652	ws.ws_ypixel = height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	653	ioctl (pty->pty, TIOCSWINSZ, &ws);
567	#else	654
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	655	#if 0
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	656	// TIOCSWINSZ is supposed to do this automatically and correctly
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */	657	if (cmd_pid) /* force through to the command */
573	kill(pid, SIGWINCH);	658	kill (-cmd_pid, SIGWINCH);
574	# endif
575	#endif	659	#endif
576	}	660	}
577		661
578	/*----------------------------------------------------------------------*/	662	/*----------------------------------------------------------------------*/
579	/* rxvt_change_font() - Switch to a new font */	663	/* set_fonts () - load and set the various fonts
580	/*	664	*
581	* init = 1 - initialize	665	* init = 1 - initialize
582	*	666	*
583	* fontname == FONT_UP - switch to bigger font	667	* fontname == FONT_UP - switch to bigger font
584	* fontname == FONT_DN - switch to smaller font	668	* fontname == FONT_DN - switch to smaller font
585	*/	669	*/
586	/* EXTPROTO */	670	bool
587	void	671	rxvt_term::set_fonts ()
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{	672	{
590	}	673	rxvt_fontset *fs = new rxvt_fontset (this);
		674	rxvt_fontprop prop;
591		675
592	/* INTPROTO */	676	if (!fs
		677	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		678	|| !fs->realize_font (1))
		679	{
		680	delete fs;
		681	return false;
		682	}
		683
		684	#if ENABLE_STYLES
		685	for (int i = RS_styleCount; --i; )
		686	if (fontset[i] != fontset[0])
		687	delete fontset[i];
		688	#endif
		689
		690	delete fontset[0];
		691	fontset[0] = fs;
		692
		693	prop = (*fs)[1]->properties ();
		694	prop.height += lineSpace;
		695	prop.width += letterSpace;
		696
		697	fs->set_prop (prop, false);
		698
		699	fwidth = prop.width;
		700	fheight = prop.height;
		701	fbase = prop.ascent;
		702
		703	for (int style = 1; style < 4; style++)
		704	{
		705	#if ENABLE_STYLES
		706	const char *res = rs[Rs_font + style];
		707
		708	if (res && !*res)
		709	fontset[style] = fontset[0];
		710	else
		711	{
		712	fontset[style] = fs = new rxvt_fontset (this);
		713	rxvt_fontprop prop2 = prop;
		714
		715	if (res)
		716	{
		717	fs->populate (res);
		718	fs->set_prop (prop2, false);
		719	}
		720	else
		721	{
		722	fs->populate (fontset[0]->fontdesc);
		723
		724	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		725	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		726
		727	fs->set_prop (prop2, true);
		728	}
		729
		730	}
		731	#else
		732	fontset[style] = fontset[0];
		733	#endif
		734	}
		735
		736	if (parent[0])
		737	{
		738	resize_all_windows (0, 0, 0);
		739	scr_remap_chars ();
		740	scr_touch (true);
		741	}
		742
		743	return true;
		744	}
		745
593	void	746	void
594	rxvt_font_up_down(pR_ int n, int direction)	747	rxvt_term::set_string_property (Atom prop, const char *str, int len)
595	{	748	{
		749	XChangeProperty (dpy, parent[0],
		750	prop, XA_STRING, 8, PropModeReplace,
		751	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		752	}
		753
		754	void
		755	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		756	{
		757	wchar_t *ws = rxvt_mbstowcs (str, len);
		758	char *s = rxvt_wcstoutf8 (ws);
		759
		760	XChangeProperty (dpy, parent[0],
		761	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		762	(const unsigned char *)s, strlen (s));
		763
		764	free (s);
		765	free (ws);
596	}	766	}
597		767
598	/*----------------------------------------------------------------------*/	768	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	769	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	770	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	771	void
603	rxvt_set_title(pR_ const char *str)	772	rxvt_term::set_title (const char *str)
604	{	773	{
605	#ifndef SMART_WINDOW_TITLE	774	set_string_property (XA_WM_NAME, str);
606	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	775	#if ENABLE_EWMH
607	#else	776	set_utf8_property (xa[XA_NET_WM_NAME], str);
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif	777	#endif
617	}	778	}
618		779
619	/* EXTPROTO */
620	void	780	void
621	rxvt_set_iconName(pR_ const char *str)	781	rxvt_term::set_icon_name (const char *str)
622	{	782	{
623	#ifndef SMART_WINDOW_TITLE	783	set_string_property (XA_WM_ICON_NAME, str);
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	784	#if ENABLE_EWMH
625	#else	785	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif	786	#endif
635	}	787	}
636		788
		789	void
		790	rxvt_term::set_window_color (int idx, const char *color)
		791	{
637	#ifdef XTERM_COLOR_CHANGE	792	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;	793	rxvt_color xcol;
643	int i;
644		794
645	if (color == NULL || *color == '\0')	795	if (color == NULL || *color == '\0')
646	return;	796	return;
647		797
		798	color = strdup (color);
		799	allocated.push_back ((void *)color);
		800	rs[Rs_color + idx] = color;
		801
648	/* handle color aliases */	802	/* handle color aliases */
649	if (isdigit(*color)) {	803	if (isdigit (*color))
		804	{
650	i = atoi(color);	805	int i = atoi (color);
651	if (i >= 8 && i <= 15) { /* bright colors */	806
652	i -= 8;	807	if (i >= 8 && i <= 15)
653	# ifndef NO_BRIGHTCOLOR	808	{
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	809	/* bright colors */
655	SET_PIXCOLOR(R, idx);	810	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
656	goto Done;	811	goto done;
657	# endif
658	}	812	}
659	if (i >= 0 && i <= 7) { /* normal colors */	813
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];	814	if (i >= 0 && i <= 7)
661	SET_PIXCOLOR(R, idx);	815	{
		816	/* normal colors */
		817	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
662	goto Done;	818	goto done;
663	}	819	}
664	}	820	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668		821
669	/*	822	set_color (xcol, color);
		823
		824	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,	825	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap	826	* so just keep gobbling up the colormap
672	*/	827	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683		828
684	R->PixColors[idx] = xcol;	829	pix_colors_focused[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686		830
687	/* XSetWindowAttributes attr; */	831	done:
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */	832	/*TODO: handle Color_BD, scrollbar background, etc. */
695		833
696	rxvt_set_colorfgbg(aR);	834	update_fade_color (idx);
697	rxvt_recolour_cursor(aR);	835	recolour_cursor ();
698	/* the only reasonable way to enforce a clean update */	836	scr_recolour ();
699	rxvt_scr_poweron(aR);	837	#endif /* XTERM_COLOR_CHANGE */
700	}	838	}
701		839
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */
705
706	/* EXTPROTO */
707	void	840	void
708	rxvt_recolour_cursor(pR)	841	rxvt_term::recolour_cursor ()
709	{	842	{
710	rxvt_color xcol[2];	843	XColor fg, bg;
711		844
712	#if TODO	845	(ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	846	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	847	: pix_colors_focused[Color_fg]).get (fg);
715	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	848
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	849	(ISSET_PIXCOLOR (Color_pointer_bg)
717	#endif	850	? pix_colors_focused[Color_pointer_bg]
		851	: pix_colors_focused[Color_bg]).get (bg);
		852
		853	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
718	}	854	}
719		855
720	/*----------------------------------------------------------------------*/	856	/*----------------------------------------------------------------------*/
721	/*	857	/*
722	* find if fg/bg matches any of the normal (low-intensity) colors	858	* find if fg/bg matches any of the normal (low-intensity) colors
723	*/	859	*/
724	/* INTPROTO */
725	void	860	void
726	rxvt_set_colorfgbg(pR)	861	rxvt_term::set_colorfgbg ()
727	{	862	{
728	unsigned int i;	863	unsigned int i;
729	const char *xpmb = "\0";	864	const char *xpmb = "";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	865	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
731		866
732	R->env_colorfgbg =	867	strcpy (fstr, "default");
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	868	strcpy (bstr, "default");
734	STRCPY(fstr, "default");
735	STRCPY(bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	869	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	870	if (pix_colors[Color_fg] == pix_colors[i])
		871	{
738	sprintf(fstr, "%d", (i - Color_Black));	872	sprintf (fstr, "%d", (i - Color_Black));
739	break;	873	break;
740	}	874	}
		875
741	for (i = Color_Black; i <= Color_White; i++)	876	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	877	if (pix_colors[Color_bg] == pix_colors[i])
		878	{
743	sprintf(bstr, "%d", (i - Color_Black));	879	sprintf (bstr, "%d", (i - Color_Black));
744	#ifdef XPM_BACKGROUND	880	#ifdef BG_IMAGE_FROM_FILE
745	xpmb = "default;";	881	xpmb = "default;";
746	#endif	882	#endif
747	break;	883	break;
748	}	884	}
		885
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	886	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	887	}
762		888
763	/*----------------------------------------------------------------------*/	889	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		890
769	/* EXTPROTO */	891	bool
770	int	892	rxvt_term::set_color (rxvt_color &color, const char *name)
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
772	{	893	{
773	screen_in_out->set(aR_ colour);	894	if (color.set (this, name))
774
775	if (!screen_in_out->set(aR_ colour)) {
776	rxvt_print_error("can't allocate colour: %s", colour);
777	return false;
778	}
779
780	return true;	895	return true;
		896
		897	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		898	return false;
		899	}
		900
		901	void
		902	rxvt_term::alias_color (int dst, int src)
		903	{
		904	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
781	}	905	}
782		906
783	/* -------------------------------------------------------------------- *	907	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	908	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	909	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	910	void
788	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	911	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
789	int ignoreparent)
790	{	912	{
791	int fix_screen;	913	int fix_screen;
		914	int old_width = szHint.width;
		915	int old_height = szHint.height;
792		916
		917	window_calc (newwidth, newheight);
		918
		919	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		920
		921	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		922	if (set_hint)
		923	{
		924	szHint.flags &= ~(PBaseSize | PResizeInc);
		925	XSetWMNormalHints (dpy, parent[0], &szHint);
		926	szHint.flags |= PBaseSize | PResizeInc;
		927	}
		928
		929	if (!ignoreparent)
		930	{
793	#ifdef SMART_RESIZE	931	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	932	/*
795	#endif
796
797	rxvt_window_calc(aR_ width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
799	if (!ignoreparent) {
800	#ifdef SMART_RESIZE
801	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	933	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	934	* reposition window on resize depending on placement on screen
804	*/	935	*/
805	int x, y, x1, y1;	936	int x, y, x1, y1;
806	int dx, dy;	937	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	938	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	939	Window unused_cr;
809		940
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	941	XTranslateCoordinates (dpy, parent[0], display->root,
811	0, 0, &x, &y, &unused_cr);	942	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	943	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	944	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	945	/*
815	* if Xroot isn't the parent window, a WM will probably have offset	946	* if display->root isn't the parent window, a WM will probably have offset
816	* our position for handles and decorations. Counter it	947	* our position for handles and decorations. Counter it
817	*/	948	*/
818	if (x1 != x || y1 != y) {	949	if (x1 != x || y1 != y)
		950	{
819	x -= x1;	951	x -= x1;
820	y -= y1;	952	y -= y1;
821	}	953	}
822		954
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	955	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	956	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	957	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	958	dy = old_height - szHint.height;
827		959
828	/* Check position of the center of the window */	960	/* Check position of the center of the window */
829	if (x < x1) /* left half */	961	if (x < x1) /* left half */
830	dx = 0;	962	dx = 0;
831	else if (x == x1) /* exact center */	963	else if (x == x1) /* exact center */
832	dx /= 2;	964	dx /= 2;
833	if (y < y1) /* top half */	965	if (y < y1) /* top half */
834	dy = 0;	966	dy = 0;
835	else if (y == y1) /* exact center */	967	else if (y == y1) /* exact center */
836	dy /= 2;	968	dy /= 2;
837		969
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	970	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	971	szHint.width, szHint.height);
840	#else	972	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	973	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	974	#endif
844	}	975	}
845		976
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	977	if (set_hint)
847	|| R->TermWin.nrow != R->prev_nrow);	978	XSetWMNormalHints (dpy, parent[0], &szHint);
		979
		980	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		981
848	if (fix_screen || width != R->old_width || height != R->old_height) {	982	if (fix_screen || newwidth != old_width || newheight != old_height)
849	if (scrollbar_visible(R)) {
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
851	0, scrollbar_TotalWidth(), R->szHint.height);
852	rxvt_Resize_scrollBar(aR);
853	}
854	if (menubar_visible(R))
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
858	R->window_vt_y, TermWin_TotalWidth(),
859	TermWin_TotalHeight());
860	#ifdef RXVT_GRAPHICS
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);
866	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);
868	#endif
869	}	983	{
		984	if (scrollBar.state)
		985	scrollBar.resize ();
870		986
		987	XMoveResizeWindow (dpy, vt,
		988	window_vt_x, window_vt_y,
		989	width, height);
		990
		991	#ifdef HAVE_BG_PIXMAP
		992	if (bgPixmap.window_size_sensitive ())
		993	update_background ();
		994	#endif
		995	}
		996
871	if (fix_screen || R->old_height == 0) {	997	if (fix_screen || old_height == 0)
872	int curr_screen = -1;	998	scr_reset ();
873	uint16_t old_ncol = R->prev_ncol;
874		999
875	/* scr_reset only works on the primary screen */	1000	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
876	if (R->old_height) /* this is not the first time through */	1001	//scr_touch (false);
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
878	rxvt_scr_reset(aR);
879	if (curr_screen >= 0) { /* this is not the first time through */
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}
883	}
884		1002
885	R->old_width = R->szHint.width;	1003	#ifdef HAVE_BG_PIXMAP
886	R->old_height = R->szHint.height;	1004	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1005	// if (bgPixmap.pixmap)
		1006	// scr_touch (false);
		1007	#endif
887		1008
888	#ifdef USE_XIM	1009	#ifdef USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1010	IMSetPosition ();
890	#endif	1011	#endif
891	}	1012	}
892		1013
893	/*	1014	/*
894	* Set the width/height of the vt window in characters. Units are pixels.	1015	* Set the width/height of the vt window in characters. Units are pixels.
895	* good for toggling 80/132 columns	1016	* good for toggling 80/132 columns
896	*/	1017	*/
897	/* EXTPROTO */
898	void	1018	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1019	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
900	{	1020	{
901	XWindowAttributes wattr;	1021	XWindowAttributes wattr;
902		1022
903	if (width == 0 || height == 0) {	1023	if (newwidth == 0 || newheight == 0)
		1024	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1025	XGetWindowAttributes (dpy, display->root, &wattr);
		1026
905	if (width == 0)	1027	if (newwidth == 0)
906	width = wattr.width - R->szHint.base_width;	1028	newwidth = wattr.width - szHint.base_width;
907	if (height == 0)	1029	if (newheight == 0)
908	height = wattr.height - R->szHint.base_height;	1030	newheight = wattr.height - szHint.base_height;
		1031	}
		1032
		1033	if (newwidth != width || newheight != height)
909	}	1034	{
910	if (width != R->TermWin.width || height != R->TermWin.height) {
911	width += R->szHint.base_width;	1035	newwidth += szHint.base_width;
912	height += R->szHint.base_height;	1036	newheight += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1037	resize_all_windows (newwidth, newheight, 0);
914	}	1038	}
915	}	1039	}
916		1040
917	/* -------------------------------------------------------------------- *	1041	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1042	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1043	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1044	#ifdef USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1045
931	/* INTPROTO */
932	void	1046	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1047	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1048	{
935	*fg = R->PixColors[Color_fg];	1049	fg = pix_colors [Color_fg];
936	*bg = R->PixColors[Color_bg];	1050	bg = pix_colors [Color_bg];
		1051	}
		1052
		1053	void
		1054	rxvt_term::im_set_size (XRectangle &size)
		1055	{
		1056	// the int_bwidth terms make no sense to me
		1057	size.x = int_bwidth;
		1058	size.y = int_bwidth;
		1059	size.width = Width2Pixel (ncol) + int_bwidth;
		1060	size.height = Height2Pixel (nrow) + int_bwidth;
		1061	}
		1062
		1063	void
		1064	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1065	XRectangle &status_rect,
		1066	const XRectangle &needed_rect)
		1067	{
		1068	preedit_rect.x = needed_rect.width;
		1069	preedit_rect.y = 0;
		1070	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1071	preedit_rect.height = fheight;
		1072
		1073	status_rect.x = 0;
		1074	status_rect.y = 0;
		1075	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1076	status_rect.height = fheight;
937	}	1077	}
938		1078
939	/* Checking whether input method is running. */	1079	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1080	bool
942	rxvt_IMisRunning(pR)	1081	rxvt_term::IMisRunning ()
943	{	1082	{
944	char *p;	1083	Atom atom;
945	Atom atom;	1084	Window win;
946	Window win;
947	char server[IMBUFSIZ];	1085	char server[IMBUFSIZ];
948		1086
949	/* get current locale modifier */	1087	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1088	if (char *p = XSetLocaleModifiers (0))
		1089	{
951	STRCPY(server, "@server=");	1090	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1091	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1092
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1093	if (p = strchr (server + 1, '@')) /* first one only */
954	*p = '\0';	1094	*p = '\0';
955		1095
956	atom = XInternAtom(R->Xdisplay, server, False);	1096	atom = XInternAtom (dpy, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1097	win = XGetSelectionOwner (dpy, atom);
		1098
958	if (win != None)	1099	if (win != None)
959	return True;	1100	return True;
960	}	1101	}
		1102
961	return False;	1103	return False;
962	}	1104	}
963		1105
964	/* EXTPROTO */
965	void	1106	void
966	rxvt_IMSendSpot(pR)	1107	rxvt_term::IMSendSpot ()
967	{	1108	{
968	XPoint spot;	1109	XPoint nspot;
969	XVaNestedList preedit_attr;	1110	XVaNestedList preedit_attr;
970		1111
971	if (R->Input_Context == NULL	1112	if (!Input_Context
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1113	|| !focus
973	|| !(R->event_type == KeyPress	1114	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1115	return;
980		1116
981	rxvt_setPosition(aR_ & spot);	1117	im_set_position (nspot);
982		1118
		1119	if (nspot.x == spot.x && nspot.y == spot.y)
		1120	return;
		1121
		1122	spot = nspot;
		1123
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1124	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1125	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1126	XFree (preedit_attr);
986	}	1127	}
987		1128
988	/* EXTPROTO */
989	void	1129	void
990	rxvt_setTermFontSet(pR_ int idx)	1130	rxvt_term::im_destroy ()
991	{	1131	{
992	char *string;	1132	if (input_method)
993	long length;	1133	{
994	int success = 0;	1134	if (Input_Context && input_method->xim)
		1135	XDestroyIC (Input_Context);
995		1136
996	if (idx < 0 || idx >= MAX_NFONTS)	1137	display->put_xim (input_method);
997	return;	1138	input_method = 0;
998	}	1139	}
999		1140
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;	1141	Input_Context = 0;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}	1142	}
1042		1143
1043	/*	1144	#ifdef ENABLE_XIM_ONTHESPOT
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062		1145
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1146	static void
1064	if (R->Input_Context)	1147	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1065	return;	1148	{
		1149	((rxvt_term *)client_data)->make_current ();
		1150	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1151	}
1066		1152
1067	found = had_im = 0;	1153	static void
1068	p = R->rs[Rs_inputMethod];	1154	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1069	if (p && *p) {	1155	{
1070	had_im = 1;	1156	((rxvt_term *)client_data)->make_current ();
1071	s = rxvt_splitcommastring(p);	1157	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1072	for (i = 0; s[i]; i++) {	1158	}
1073	if (*s[i]) {	1159
1074	STRCPY(buf, "@im=");	1160	static void
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1161	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1162	{
1077	&& (rxvt_IM_get_IC(aR) == True)) {	1163	rxvt_term *term = (rxvt_term *)client_data;
1078	found = 1;	1164	XIMText *text = call_data->text;
1079	break;	1165
1080	}	1166	term->make_current ();
1081	}	1167
		1168	if (text)
		1169	{
		1170	void *str;
		1171
		1172	if (!text->encoding_is_wchar && text->string.multi_byte)
		1173	{
		1174	// of course, X makes it ugly again
		1175	if (term->rs[Rs_imLocale])
		1176	SET_LOCALE (term->rs[Rs_imLocale]);
		1177
		1178	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1179	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1180
		1181	if (term->rs[Rs_imLocale])
		1182	SET_LOCALE (term->locale);
1082	}	1183	}
1083	for (i = 0; s[i]; i++)	1184	else
1084	free(s[i]);	1185	str = (void *)text->string.wide_char;
1085	free(s);
1086	}
1087	if (found)
1088	return;
1089		1186
1090	/* try with XMODIFIERS env. var. */	1187	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1188	DT_INT, call_data->caret,
1092	rxvt_IM_get_IC(aR);	1189	DT_INT, call_data->chg_first,
1093	return;	1190	DT_INT, call_data->chg_length,
		1191	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1192	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1193	DT_END));
1094	}	1194	}
1095		1195	else
1096	/* try with no modifiers base IF the user didn't specify an IM */	1196	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1197	DT_INT, call_data->caret,
1098	&& rxvt_IM_get_IC(aR) == True)	1198	DT_INT, call_data->chg_first,
1099	return;	1199	DT_INT, call_data->chg_length,
		1200	DT_END));
1100	}	1201	}
		1202
		1203	#if 0
		1204	static void
		1205	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1206	{
		1207	((rxvt_term *)client_data)->make_current ();
		1208	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1209	DT_INT, call_data->position,
		1210	DT_INT, call_data->direction,
		1211	DT_INT, call_data->style,
		1212	DT_END));
		1213	}
		1214	#endif
		1215
		1216	#endif
1101		1217
1102	/*	1218	/*
1103	* Try to open a XIM with the current modifiers, then see if we can	1219	* Try to open a XIM with the current modifiers, then see if we can
1104	* open a suitable preedit type	1220	* open a suitable preedit type
1105	*/	1221	*/
1106	/* INTPROTO */
1107	Bool	1222	bool
1108	rxvt_IM_get_IC(pR)	1223	rxvt_term::IM_get_IC (const char *modifiers)
1109	{	1224	{
1110	int i, j, found;	1225	int i, j, found;
1111	XIM xim;	1226	XIM xim;
1112	XPoint spot;	1227	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1228	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1229	unsigned long fg, bg;
1115	const char *p;	1230	const char *p;
1116	char **s;	1231	char **s;
1117	XIMStyles *xim_styles;	1232	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;	1233	#ifdef ENABLE_XIM_ONTHESPOT
1119	XIMCallback ximcallback;	1234	XIMCallback xcb[4];
		1235	#endif
1120		1236
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1237	set_environ (envv);
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1238
1123	if (xim == NULL)	1239	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1124	return False;	1240	return false;
1125		1241
		1242	input_method = display->get_xim (locale, modifiers);
		1243	if (input_method == NULL)
		1244	return false;
		1245
		1246	xim = input_method->xim;
		1247	spot.x = spot.y = -1;
		1248
1126	xim_styles = NULL;	1249	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1250	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1251	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1252	{
		1253	im_destroy ();
1130	return False;	1254	return false;
		1255	}
		1256
		1257	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1258
		1259	for (int pi = 0; pi < 2; pi++)
1131	}	1260	{
		1261	p = pet[pi];
1132		1262
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1263	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1264	continue;
		1265
1135	s = rxvt_splitcommastring(p);	1266	s = rxvt_splitcommastring (p);
		1267
1136	for (i = found = 0; !found && s[i]; i++) {	1268	for (i = found = 0; !found && s[i]; i++)
		1269	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1270	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1271	input_style = XIMPreeditPosition | XIMStatusNothing;
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1272	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1273	input_style = XIMPreeditArea | XIMStatusArea;
1141	else if (!STRCMP(s[i], "Root"))	1274	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1275	input_style = XIMPreeditNothing | XIMStatusNothing;
		1276	else if (!strcmp (s[i], "None"))
		1277	input_style = XIMPreeditNone | XIMStatusNone;
		1278	#ifdef ENABLE_XIM_ONTHESPOT
		1279	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1280	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1281	#endif
		1282	else
		1283	input_style = XIMPreeditNothing | XIMStatusNothing;
1143		1284
1144	for (j = 0; j < xim_styles->count_styles; j++)	1285	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1286	if (input_style == xim_styles->supported_styles[j])
		1287	{
		1288	rxvt_freecommastring (s);
		1289
1146	found = 1;	1290	found = 1;
		1291	goto foundpet;
		1292	}
		1293
		1294	}
		1295
		1296	rxvt_freecommastring (s);
		1297	}
		1298
		1299	foundpet:
		1300
		1301	XFree (xim_styles);
		1302
		1303	if (!found)
		1304	{
		1305	im_destroy ();
		1306	return false;
		1307	}
		1308
		1309	XFontSet fs = 0;
		1310	XVaNestedList preedit_attr = 0, status_attr = 0;
		1311
		1312	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1313	{
		1314	// fake us a font-set, please
		1315	char **missing_charset_list;
		1316	int missing_charset_count;
		1317	char *def_string;
		1318	char pat[512];
		1319
		1320	sprintf (pat,
		1321	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"*",
		1327	fheight,
		1328	fheight + 1, fheight - 1,
		1329	fheight - 2, fheight + 2);
		1330
		1331	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1332	&missing_charset_list, &missing_charset_count, &def_string);
		1333
		1334	if (missing_charset_list)
		1335	XFreeStringList (missing_charset_list);
		1336
		1337	if (!fs)
		1338	{
		1339	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1340	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1341	}
		1342	}
		1343
		1344	if (input_style & XIMPreeditPosition)
		1345	{
		1346	im_set_size (rect);
		1347	im_set_position (spot);
		1348	im_set_color (fg, bg);
		1349
		1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
		1352	XNBackground, bg,
		1353	XNArea, &rect,
		1354	XNSpotLocation, &spot,
		1355	XNFontSet, fs,
		1356	NULL);
		1357	}
		1358	else if (input_style & XIMPreeditArea)
		1359	{
		1360	im_set_color (fg, bg);
		1361
		1362	/*
		1363	* The necessary width of preedit area is unknown
		1364	* until create input context.
		1365	*/
		1366	needed_rect.width = 0;
		1367	im_set_preedit_area (rect, status_rect, needed_rect);
		1368
		1369	preedit_attr = XVaCreateNestedList (0,
		1370	XNForeground, fg,
		1371	XNBackground, bg,
		1372	XNArea, &rect,
		1373	XNFontSet, fs,
		1374	NULL);
		1375	status_attr = XVaCreateNestedList (0,
		1376	XNForeground, fg,
		1377	XNBackground, bg,
		1378	XNArea, &status_rect,
		1379	XNFontSet, fs,
		1380	NULL);
		1381	}
		1382	#if ENABLE_XIM_ONTHESPOT
		1383	else if (input_style & XIMPreeditCallbacks)
		1384	{
		1385	im_set_position (spot);
		1386
		1387	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1388	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1389	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1390	# if 0
		1391	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1392	# endif
		1393
		1394	preedit_attr = XVaCreateNestedList (0,
		1395	XNSpotLocation, &spot,
		1396	XNPreeditStartCallback, &xcb[0],
		1397	XNPreeditDoneCallback , &xcb[1],
		1398	XNPreeditDrawCallback , &xcb[2],
		1399	# if 0
		1400	XNPreeditCaretCallback, &xcb[3],
		1401	# endif
		1402	NULL);
		1403	}
		1404	#endif
		1405
		1406	Input_Context = XCreateIC (xim,
		1407	XNInputStyle, input_style,
		1408	XNClientWindow, vt,
		1409	XNFocusWindow, parent[0],
		1410	preedit_attr ? XNPreeditAttributes : NULL,
		1411	preedit_attr,
		1412	status_attr ? XNStatusAttributes : NULL,
		1413	status_attr, NULL);
		1414
		1415	if (preedit_attr) XFree (preedit_attr);
		1416	if (status_attr) XFree (status_attr);
		1417	if (fs) XFreeFontSet (dpy, fs);
		1418
		1419	if (Input_Context == NULL)
		1420	{
		1421	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1422	im_destroy ();
		1423	return false;
		1424	}
		1425
		1426	#if 0
		1427	// unfortunately, only the focus window is used by XIM, hard to fix
		1428	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1429	vt_select_input ();
		1430	#endif
		1431
		1432	IMSetPosition ();
		1433
		1434	return true;
		1435	}
		1436
		1437	void
		1438	rxvt_term::im_cb ()
		1439	{
		1440	int i;
		1441	const char *p;
		1442	char **s;
		1443	char buf[IMBUFSIZ];
		1444
		1445	make_current ();
		1446
		1447	im_destroy ();
		1448
		1449	if (Input_Context)
		1450	return;
		1451
		1452	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1453	if (rs[Rs_imLocale])
		1454	SET_LOCALE (rs[Rs_imLocale]);
		1455	#endif
		1456
		1457	p = rs[Rs_inputMethod];
		1458	if (p && *p)
		1459	{
		1460	bool found = false;
		1461
		1462	s = rxvt_splitcommastring (p);
		1463
		1464	for (i = 0; s[i]; i++)
		1465	{
		1466	if (*s[i])
		1467	{
		1468	strcpy (buf, "@im=");
		1469	strncat (buf, s[i], IMBUFSIZ - 5);
		1470	if (IM_get_IC (buf))
		1471	{
		1472	found = true;
1147	break;	1473	break;
		1474	}
1148	}	1475	}
1149	}	1476	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1477
		1478	rxvt_freecommastring (s);
		1479
1155	if (!found) {	1480	if (found)
1156	XCloseIM(xim);	1481	goto done;
1157	return False;
1158	}	1482	}
1159		1483
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1484	/* try with XMODIFIERS env. var. */
		1485	if (IM_get_IC (""))
		1486	goto done;
1161		1487
1162	/* XXX: not sure why we need this (as well as IC one below) */	1488	/* try with no modifiers base IF the user didn't specify an IM */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1489	if (IM_get_IC ("@im=none"))
		1490	goto done;
1164		1491
1165	preedit_attr = status_attr = NULL;	1492	done:
1166		1493	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1167	if (R->input_style & XIMPreeditPosition) {	1494	if (rs[Rs_imLocale])
1168	rxvt_setSize(aR_ & rect);	1495	SET_LOCALE (locale);
1169	rxvt_setPosition(aR_ & spot);	1496	#endif
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1497	}
1219		1498
1220	/* EXTPROTO */
1221	void	1499	void
1222	rxvt_IMSetStatusPosition(pR)	1500	rxvt_term::IMSetPosition ()
1223	{	1501	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1502	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1503	XVaNestedList preedit_attr, status_attr;
1226		1504
1227	if (R->Input_Context == NULL	1505	if (!Input_Context
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1506	|| !focus
		1507	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1229	|| !rxvt_IMisRunning(aR))	1508	|| !IMisRunning ())
1230	return;	1509	return;
1231		1510
		1511	if (input_style & XIMPreeditPosition)
		1512	{
		1513	im_set_size (preedit_rect);
		1514	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1515
		1516	XSetICValues (Input_Context,
		1517	XNPreeditAttributes, preedit_attr, NULL);
		1518	}
		1519	else
		1520	{
1232	/* Getting the necessary width of preedit area */	1521	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1522	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1523	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1524	XFree (status_attr);
1236		1525
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1526	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1527	XFree (needed_rect);
1238		1528
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1530	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1531
1242	XSetICValues(R->Input_Context,	1532	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1533	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1534	XNStatusAttributes, status_attr,
		1535	NULL);
1245		1536
		1537	XFree (status_attr);
		1538	}
		1539
1246	XFree(preedit_attr);	1540	XFree (preedit_attr);
1247	XFree(status_attr);
1248	}	1541	}
1249	#endif /* USE_XIM */	1542	#endif /* USE_XIM */
1250		1543
1251	/*----------------------------------------------------------------------*/	1544	void
1252	rxvt_t rxvt_current_term;	1545	rxvt_term::get_window_origin (int &x, int &y)
		1546	{
		1547	Window cr;
		1548	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1549	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1550	}
		1551
		1552	Pixmap
		1553	rxvt_term::get_pixmap_property (int prop_id)
		1554	{
		1555	if (prop_id > 0 && prop_id < NUM_XA)
		1556	if (xa[prop_id])
		1557	{
		1558	int aformat;
		1559	unsigned long nitems, bytes_after;
		1560	Atom atype;
		1561	unsigned char *prop = NULL;
		1562	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1563	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1564	&nitems, &bytes_after, &prop);
		1565	if (result == Success && prop && atype == XA_PIXMAP)
		1566	return *(Pixmap *)prop;
		1567	}
		1568
		1569	return None;
		1570	}
		1571
		1572	#ifdef HAVE_BG_PIXMAP
		1573	# if TRACE_PIXMAPS
		1574	# undef update_background
		1575	void
		1576	rxvt_term::trace_update_background (const char *file, int line)
		1577	{
		1578	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1579	update_background ();
		1580	}
		1581	# endif
		1582
		1583	void
		1584	rxvt_term::update_background ()
		1585	{
		1586	if (update_background_ev.is_active ())
		1587	return;
		1588
		1589	bgPixmap.invalidate ();
		1590
		1591	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1592
		1593	if (to_wait <= 0.)
		1594	bgPixmap.render ();
		1595	else
		1596	update_background_ev.start (to_wait);
		1597	}
		1598
		1599	void
		1600	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1601	{
		1602	make_current ();
		1603
		1604	update_background_ev.stop ();
		1605	bgPixmap.render ();
		1606	refresh_check ();
		1607	}
		1608
		1609	#endif /* HAVE_BG_PIXMAP */
1253		1610
1254	/*----------------------- end-of-file (C source) -----------------------*/	1611	/*----------------------- end-of-file (C source) -----------------------*/

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