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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.17 by pcg, Thu Dec 18 13:33:02 2003 UTC vs.
Revision 1.372 by sf-exg, Sat Jan 28 15:18:29 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.17 2003/12/18 13:33:02 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) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
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 "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
47	#include <cstring>	47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
48		53
		54	struct termios rxvt_term::def_tio;
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
49	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
50		61
51	void	62	bool
52	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
53	{	64	{
54	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
55	{	66
56	STRNCPY (curlocale, locale, 128);	67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
58	}	75	return true;
59	}	76	}
60		77
61	void *	78	void
62	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
63	{	80	{
64	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
65		84
66	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason, near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
67	return p;	148	return len;
68	}
69		149
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	150	}
		151	#endif
75		152
76	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
77	: pty_ev (this, &rxvt_term::pty_cb),	154	{
		155	#if HAVE_BG_PIXMAP
		156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		157	#endif
78	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
79	blink_ev (this, &rxvt_term::blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		160	#endif
		161	#ifdef TEXT_BLINK
		162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#ifdef USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
80	#endif	179	#endif
81	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
82	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
83	#endif	182	#endif
84	x_ev (this, &rxvt_term::x_cb),	183	#ifndef NO_BELL
85	destroy_ev (this, &rxvt_term::destroy_cb),	184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
86	check_ev (this, &rxvt_term::check_cb),	185	#endif
87	incr_ev (this, &rxvt_term::incr_cb)	186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
88	{	187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
89	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
90	}	212	}
91		213
92	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
93	{	215	{
		216	termlist.erase (find (termlist.begin (), termlist.end(), this));
		217
		218	emergency_cleanup ();
		219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	if (display)
		232	{
		233	selection_clear ();
		234	selection_clear (true);
		235
		236	#ifdef USE_XIM
		237	im_destroy ();
		238	#endif
		239	scrollBar.destroy ();
		240	if (gc) XFreeGC (dpy, gc);
		241
		242	delete drawable;
		243	// destroy all windows
		244	if (parent)
		245	XDestroyWindow (dpy, parent);
		246
		247	for (int i = 0; i < TOTAL_COLORS; i++)
		248	if (ISSET_PIXCOLOR (i))
		249	{
		250	pix_colors_focused [i].free (this);
		251	#if OFF_FOCUS_FADING
		252	pix_colors_unfocused [i].free (this);
		253	#endif
		254	}
		255
		256	clear ();
		257
		258	display->flush (); /* ideally .put should do this */
		259	displays.put (display);
		260	}
		261
94	scr_release ();	262	scr_release ();
95		263
		264	/* clear all resources */
		265	for (int i = 0; i < allocated.size (); i++)
		266	free (allocated [i]);
		267
		268	free (selection.text);
		269	free (selection.clip_text);
96	free (locale);	270	free (locale);
97	free (codeset);	271	free (v_buffer);
98		272
99	#ifndef NO_SETOWNER_TTYDEV	273	delete selection_req;
100	rxvt_privileged_ttydev (this, RESTORE);
101	#endif
102	#ifdef UTMP_SUPPORT
103	rxvt_privileged_utmp (this, RESTORE);
104	#endif
105	#ifdef USE_XIM
106	if (Input_Context != NULL)
107	{
108	XDestroyIC (Input_Context);
109	Input_Context = NULL;
110	}
111	#endif
112		274
113	if (cmd_fd >= 0)	275	delete envv;
114	close (cmd_fd);	276	delete argv;
115		277
116	if (Xfd >= 0)	278	#ifdef KEYSYM_RESOURCE
117	XCloseDisplay (Xdisplay);	279	delete keyboard;
		280	#endif
		281	#ifndef NO_RESOURCES
		282	XrmDestroyDatabase (option_db);
		283	#endif
		284	}
118		285
119	delete PixColors;	286	// child has exited, usually destroys
		287	void
		288	rxvt_term::child_cb (ev::child &w, int status)
		289	{
		290	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		291
		292	cmd_pid = 0;
		293
		294	if (!option (Opt_hold))
		295	destroy ();
120	}	296	}
121		297
122	void	298	void
123	rxvt_term::destroy ()	299	rxvt_term::destroy ()
124	{	300	{
		301	if (destroy_ev.is_active ())
		302	return;
		303
		304	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		305
		306	#if ENABLE_OVERLAY
		307	scr_overlay_off ();
		308	#endif
		309
		310	if (display)
		311	{
		312	#if USE_XIM
		313	im_ev.stop (display);
		314	#endif
		315	scrollbar_ev.stop (display);
		316	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		317	rootwin_ev.stop (display);
		318	#endif
		319	termwin_ev.stop (display);
		320	vt_ev.stop (display);
		321	}
		322
125	check_ev.stop ();	323	flush_ev.stop ();
126	pty_ev.stop ();	324	pty_ev.stop ();
127	x_ev.stop ();
128	#ifdef CURSOR_BLINK	325	#ifdef CURSOR_BLINK
		326	cursor_blink_ev.stop ();
		327	#endif
		328	#ifdef TEXT_BLINK
129	blink_ev.stop ();	329	text_blink_ev.stop ();
		330	#endif
		331	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		332	cont_scroll_ev.stop ();
		333	#endif
		334	#ifdef SELECTION_SCROLLING
		335	sel_scroll_ev.stop ();
130	#endif	336	#endif
131	#ifdef POINTER_BLANK	337	#ifdef POINTER_BLANK
132	pointer_ev.stop ();	338	pointer_ev.stop ();
133	#endif	339	#endif
134		340
135	destroy_ev.start (0);	341	destroy_ev.start ();
136	}	342	}
137		343
138	void	344	void
139	rxvt_term::destroy_cb (time_watcher &w)	345	rxvt_term::destroy_cb (ev::idle &w, int revents)
140	{	346	{
141	SET_R (this);	347	make_current ();
142		348
143	delete this;	349	delete this;
144	}	350	}
145		351
146	/*----------------------------------------------------------------------*/	352	void
147	/* rxvt_init() */	353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
148	/* LIBPROTO */
149	rxvt_t
150	rxvt_init (int argc, const char *const *argv)
151	{	354	{
152	SET_R (new rxvt_term);	355	if (!opt)
153	dR;
154
155	if (!R->init_vars () || !R->init (argc, argv))
156	{
157	delete R;
158	return NULL;
159	}
160
161	return R;	356	return;
162	}
163		357
164	/* EXTPROTO */	358	uint8_t mask = 1 << (opt & 7);
165	void	359	uint8_t &val = options [opt >> 3];
166	rxvt_init_signals ()
167	{
168	/* install exit handler for cleanup */
169	#if 0
170	#ifdef HAVE_ATEXIT
171	atexit(rxvt_clean_exit);
172	#else
173	#endif
174	#endif
175		360
176	struct sigaction sa;	361	val = val & ~mask | (set ? mask : 0);
177
178	sigfillset (&sa.sa_mask);
179	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
180	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
181	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
182	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
183	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
184	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
185	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
186
187	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
188	/* signal (SIGURG, SIG_DFL); */
189
190	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
191	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
192	}
193
194	bool
195	rxvt_term::init (int argc, const char *const *argv)
196	{
197	/*
198	* Save and then give up any super-user privileges
199	* If we need privileges in any area then we must specifically request it.
200	* We should only need to be root in these cases:
201	* 1. write utmp entries on some systems
202	* 2. chown tty on some systems
203	*/
204	rxvt_privileges (this, SAVE);
205	rxvt_privileges (this, IGNORE);
206
207	init_secondary ();
208
209	const char **cmd_argv = init_resources (argc, argv);
210
211	set_locale ("");
212
213	#if (MENUBAR_MAX)
214	rxvt_menubar_read (this, rs[Rs_menu]);
215	#endif
216	#ifdef HAVE_SCROLLBARS
217	if (Options & Opt_scrollBar)
218	scrollBar.setIdle (); /* set existence for size calculations */
219	#endif
220
221	create_windows (argc, argv);
222
223	init_xlocale ();
224
225	scr_reset (); /* initialize screen */
226	#ifdef RXVT_GRAPHICS
227	rxvt_Gr_reset (this); /* reset graphics */
228	#endif
229
230	#if 0
231	#ifdef DEBUG_X
232	XSynchronize(Xdisplay, True);
233	#endif
234	#endif
235
236	#ifdef HAVE_SCROLLBARS
237	if (Options & Opt_scrollBar)
238	resize_scrollbar (); /* create and map scrollbar */
239	#endif
240	#if (MENUBAR_MAX)
241	if (menubar_visible(r))
242	XMapWindow (Xdisplay, menuBar.win);
243	#endif
244	#ifdef TRANSPARENT
245	if (Options & Opt_transparent)
246	{
247	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
248	rxvt_check_our_parents (this);
249	}
250	#endif
251	XMapWindow (Xdisplay, TermWin.vt);
252	XMapWindow (Xdisplay, TermWin.parent[0]);
253
254	init_env ();
255	init_command (cmd_argv);
256
257	x_ev.start (Xfd, EVENT_READ);
258	pty_ev.start (cmd_fd, EVENT_READ);
259
260	check_ev.start ();
261
262	process_x_events ();
263
264	return true;
265	}
266
267	/* ------------------------------------------------------------------------- *
268	* SIGNAL HANDLING & EXIT HANDLER *
269	* ------------------------------------------------------------------------- */
270	/*
271	* Catch a SIGCHLD signal and exit if the direct child has died
272	*/
273	/* ARGSUSED */
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Child_signal(int sig __attribute__ ((unused)))
277	{
278	int pid, save_errno = errno;
279	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
280	;
281	errno = save_errno;
282
283	#if 0
284	if (pid == R->cmd_pid)
285	exit (EXIT_SUCCESS);
286	#endif
287	}
288
289	/*
290	* Catch a fatal signal and tidy up before quitting
291	*/
292	/* EXTPROTO */
293	RETSIGTYPE
294	rxvt_Exit_signal(int sig)
295	{
296	signal(sig, SIG_DFL);
297	#ifdef DEBUG_CMD
298	rxvt_print_error("signal %d", sig);
299	#endif
300	rxvt_clean_exit();
301	kill(getpid(), sig);
302	}
303
304	/* ARGSUSED */
305	/* INTPROTO */
306	int
307	rxvt_xerror_handler(const Display * display
308	__attribute__ ((unused)), const XErrorEvent * event)
309	{
310	dR;
311
312	if (R->allowedxerror == -1)
313	R->allowedxerror = event->error_code;
314	else
315	{
316	rxvt_print_error("XError: Request: %d . %d, Error: %d",
317	event->request_code, event->minor_code,
318	event->error_code);
319
320	R->destroy ();
321	}
322
323	return 0;
324	}	362	}
325		363
326	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
327	/*	365	/*
328	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
329	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
330	*/	368	*/
331	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
332	void
333	rxvt_clean_exit ()
334	{
335	dR;
336		370
337	R->destroy ();	371	static void
338	}	372	rxvt_emergency_cleanup ()
339
340	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */
344	void *
345	rxvt_malloc(size_t size)
346	{	373	{
347	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		375	(*t)->emergency_cleanup ();
		376	}
348		377
349	p = malloc(size);	378	#if !ENABLE_MINIMAL
350	if (p)	379	static void
351	return p;	380	print_x_error (Display *dpy, XErrorEvent *event)
		381	{
		382	char buffer[BUFSIZ];
		383	char mesg[BUFSIZ];
		384	char number[32];
		385	const char mtype[] = "XlibMessage";
		386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		388	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		389	rxvt_warn ("%s: %s\n", mesg, buffer);
		390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		392	sprintf(number, "%d", event->request_code);
		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		394	rxvt_warn ("(which is %s)\n", buffer);
		395	if (event->request_code >= 128) {
		396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		397	mesg, BUFSIZ);
		398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		399	}
		400	if ((event->error_code == BadWindow) ||
		401	(event->error_code == BadPixmap) ||
		402	(event->error_code == BadCursor) ||
		403	(event->error_code == BadFont) ||
		404	(event->error_code == BadDrawable) ||
		405	(event->error_code == BadColor) ||
		406	(event->error_code == BadGC) ||
		407	(event->error_code == BadIDChoice) ||
		408	(event->error_code == BadValue) ||
		409	(event->error_code == BadAtom)) {
		410	if (event->error_code == BadValue)
		411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		412	mesg, BUFSIZ);
		413	else if (event->error_code == BadAtom)
		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		415	mesg, BUFSIZ);
		416	else
		417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		418	mesg, BUFSIZ);
		419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		420	}
		421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		422	mesg, BUFSIZ);
		423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		424	}
		425	#endif
352		426
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	427	int
354	rxvt_clean_exit();	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		429	{
		430	if (GET_R->allowedxerror == -1)
		431	GET_R->allowedxerror = event->error_code;
		432	else
		433	{
		434	// GET_R is most likely not the terminal which caused the error,
		435	// so just output the error and continue
		436	#if ENABLE_MINIMAL
		437	old_xerror_handler (display, event);
		438	#else
		439	print_x_error (display, event);
		440	#endif
		441	}
		442
		443	return 0;
		444	}
		445
		446	int
		447	rxvt_xioerror_handler (Display *display)
		448	{
		449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		450	DisplayString (display));
		451	rxvt_emergency_cleanup ();
355	exit(EXIT_FAILURE);	452	_exit (EXIT_FAILURE);
356	/* NOTREACHED */
357	}	453	}
358		454
359	/* EXTPROTO */	455	static struct sig_handlers
360	void *
361	rxvt_calloc(size_t number, size_t size)
362	{	456	{
363	void *p;	457	ev::sig sw_term, sw_int;
364		458
365	p = calloc(number, size);	459	/*
366	if (p)	460	* Catch a fatal signal and tidy up before quitting
367	return p;	461	*/
		462	void sig_term (ev::sig &w, int revents);
368		463
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	464	sig_handlers ()
370	rxvt_clean_exit();	465	{
371	exit(EXIT_FAILURE);	466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
372	/* NOTREACHED */	467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
373	}	468	}
		469	} sig_handlers;
374		470
375	/* EXTPROTO */
376	void *
377	rxvt_realloc(void *ptr, size_t size)
378	{
379	void *p;
380
381	if (ptr)
382	p = realloc(ptr, size);
383	else
384	p = malloc(size);
385	if (p)
386	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}
393
394	/* ------------------------------------------------------------------------- *
395	* PRIVILEGED OPERATIONS *
396	* ------------------------------------------------------------------------- */
397	/* take care of suid/sgid super-user (root) privileges */
398	/* INTPROTO */
399	void	471	void
400	rxvt_privileges(pR_ int mode)	472	sig_handlers::sig_term (ev::sig &w, int revents)
401	{	473	{
402	#if ! defined(__CYGWIN32__)	474	rxvt_emergency_cleanup ();
403	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	475	w.stop ();
404	/* setreuid() is the poor man's setuid(), seteuid() */	476	kill (getpid (), w.signum);
405	# define seteuid(a) setreuid(-1, (a))	477	}
406	# define setegid(a) setregid(-1, (a))	478
407	# define HAVE_SETEUID	479	static void
		480	rxvt_get_ttymode (struct termios *tio)
		481	{
		482	if (tcgetattr (STDIN_FILENO, tio) < 0)
		483	memset (tio, 0, sizeof (struct termios));
		484
		485	for (int i = 0; i < NCCS; i++)
		486	tio->c_cc[i] = VDISABLE;
		487
		488	tio->c_cc[VINTR] = CINTR;
		489	tio->c_cc[VQUIT] = CQUIT;
		490	tio->c_cc[VERASE] = CERASE;
		491	#ifdef VERASE2
		492	tio->c_cc[VERASE2] = CERASE2;
		493	#endif
		494	tio->c_cc[VKILL] = CKILL;
		495	tio->c_cc[VEOF] = CEOF;
		496	tio->c_cc[VSTART] = CSTART;
		497	tio->c_cc[VSTOP] = CSTOP;
		498	tio->c_cc[VSUSP] = CSUSP;
		499	# ifdef VDSUSP
		500	tio->c_cc[VDSUSP] = CDSUSP;
408	# endif	501	# endif
409	# ifdef HAVE_SETEUID	502	# ifdef VREPRINT
410	switch (mode) {	503	tio->c_cc[VREPRINT] = CRPRNT;
411	case IGNORE:
412	/*
413	* change effective uid/gid - not real uid/gid - so we can switch
414	* back to root later, as required
415	*/
416	seteuid(getuid());
417	setegid(getgid());
418	break;
419	case SAVE:
420	R->euid = geteuid();
421	R->egid = getegid();
422	break;
423	case RESTORE:
424	seteuid(R->euid);
425	setegid(R->egid);
426	break;
427	}
428	# else
429	switch (mode) {
430	case IGNORE:
431	setuid(getuid());
432	setgid(getgid());
433	/* FALLTHROUGH */
434	case SAVE:
435	/* FALLTHROUGH */
436	case RESTORE:
437	break;
438	}
439	# endif	504	# endif
440	#endif	505	# ifdef VDISCRD
441	}	506	tio->c_cc[VDISCRD] = CFLUSH;
442
443	#ifdef UTMP_SUPPORT
444	/* EXTPROTO */
445	void
446	rxvt_privileged_utmp(pR_ char action)
447	{
448	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
449	action, R->next_utmp_action, getpid()));
450	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
451	|| (R->Options & Opt_utmpInhibit)
452	|| R->ttydev == NULL || *R->ttydev == '\0')
453	return;
454
455	rxvt_privileges(aR_ RESTORE);
456	if (action == SAVE) {
457	R->next_utmp_action = RESTORE;
458	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
459	} else { /* action == RESTORE */
460	R->next_utmp_action = IGNORE;
461	rxvt_cleanutent(aR);
462	}
463	rxvt_privileges(aR_ IGNORE);
464	}
465	#endif
466
467	#ifndef NO_SETOWNER_TTYDEV
468	/* EXTPROTO */
469	void
470	rxvt_privileged_ttydev(pR_ char action)
471	{
472	D_MAIN((stderr,
473	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
474	action, R->next_tty_action, getpid()));
475	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
476	|| R->ttydev == NULL || *R->ttydev == '\0')
477	return;
478
479	rxvt_privileges(aR_ RESTORE);
480
481	if (action == SAVE) {
482	R->next_tty_action = RESTORE;
483	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
484	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
485	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
486	R->next_tty_action = IGNORE;
487	else
488	# endif	507	# endif
489	{	508	# ifdef VWERSE
490	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	509	tio->c_cc[VWERSE] = CWERASE;
491	chmod(R->ttydev, R->ttymode);
492	# ifdef HAVE_REVOKE
493	revoke(R->ttydev);
494	# endif	510	# endif
495	}	511	# ifdef VLNEXT
496	} else { /* action == RESTORE */	512	tio->c_cc[VLNEXT] = CLNEXT;
497	R->next_tty_action = IGNORE;
498	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
499	chmod(R->ttydev, R->ttyfd_stat.st_mode);
500	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
501	# else
502	chmod(R->ttydev,
503	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
504	chown(R->ttydev, 0, 0);
505	# endif	513	# endif
506	}	514	# ifdef VSTATUS
507		515	tio->c_cc[VSTATUS] = CSTATUS;
508	rxvt_privileges(aR_ IGNORE);
509
510	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
511	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
512	action == RESTORE ? "Restoring" : (action ==
513	SAVE ? "Saving" :
514	"UNKNOWN ERROR for"), R->ttydev,
515	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
516	R->ttyfd_stat.st_gid));
517	# endif	516	# endif
518	}	517
		518	# if VMIN != VEOF
		519	tio->c_cc[VMIN] = 1;
519	#endif	520	# endif
		521	# if VTIME != VEOL
		522	tio->c_cc[VTIME] = 0;
		523	# endif
		524
		525	/* input modes */
		526	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		527	# ifdef IMAXBEL
		528	| IMAXBEL
		529	# endif
		530	| IXON);
		531
		532	/* output modes */
		533	tio->c_oflag = (OPOST | ONLCR);
		534
		535	/* control modes */
		536	tio->c_cflag = (CS8 | CREAD);
		537
		538	/* local modes */
		539	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		540	# if defined (ECHOCTL) && defined (ECHOKE)
		541	| ECHOCTL | ECHOKE
		542	# endif
		543	| ECHOE | ECHOK);
		544	}
		545
		546	char **rxvt_environ; // startup environment
		547
		548	void
		549	rxvt_init ()
		550	{
		551	assert (("fontMask must not overlap other RS masks",
		552	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		553
		554	rxvt_get_ttymode (&rxvt_term::def_tio);
		555
		556	// get rid of stdin/stdout as we don't need them, to free resources
		557	dup2 (STDERR_FILENO, STDIN_FILENO);
		558	dup2 (STDERR_FILENO, STDOUT_FILENO);
		559
		560	if (!ev_default_loop ())
		561	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		562
		563	rxvt_environ = environ;
		564
		565	signal (SIGHUP, SIG_IGN);
		566	signal (SIGPIPE, SIG_IGN);
		567
		568	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		569	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		570
		571	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		572	// TODO: handle this with exceptions and tolerate the memory loss
		573	XSetIOErrorHandler (rxvt_xioerror_handler);
		574
		575	XrmInitialize ();
		576	}
520		577
521	/*----------------------------------------------------------------------*/	578	/*----------------------------------------------------------------------*/
522	/*	579	/*
523	* window size/position calculcations for XSizeHint and other storage.	580	* window size/position calculations for XSizeHint and other storage.
524	* if width/height are non-zero then override calculated width/height	581	* if width/height are non-zero then override calculated width/height
525	*/	582	*/
526	void	583	void
527	rxvt_term::window_calc (unsigned int width, unsigned int height)	584	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
528	{	585	{
529	short recalc_x, recalc_y;	586	short recalc_x, recalc_y;
530	int x, y, sb_w, mb_h, flags;	587	int x, y, flags;
531	unsigned int w, h;	588	unsigned int w, h;
532	unsigned int max_width, max_height;	589	unsigned int max_width, max_height;
533		590
534	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
535	TermWin.ncol, TermWin.nrow, szHint.width,
536	szHint.height));
537	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	591	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
538	szHint.win_gravity = NorthWestGravity;	592	szHint.win_gravity = NorthWestGravity;
539	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	593	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
540		594
541	recalc_x = recalc_y = 0;	595	recalc_x = recalc_y = 0;
542	flags = 0;	596	flags = 0;
		597
543	if (!parsed_geometry) {	598	if (!parsed_geometry)
		599	{
544	parsed_geometry = 1;	600	parsed_geometry = 1;
		601
545	if (rs[Rs_geometry])	602	if (rs[Rs_geometry])
546	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	603	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		604
547	if (flags & WidthValue) {	605	if (flags & WidthValue)
548	TermWin.ncol = BOUND_POSITIVE_INT16(w);	606	{
		607	if (!w)
		608	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		609
		610	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
549	szHint.flags |= USSize;	611	szHint.flags |= USSize;
550	}	612	}
		613
551	if (flags & HeightValue) {	614	if (flags & HeightValue)
552	TermWin.nrow = BOUND_POSITIVE_INT16(h);	615	{
		616	if (!h)
		617	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		618
		619	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
553	szHint.flags |= USSize;	620	szHint.flags |= USSize;
554	}	621	}
		622
555	if (flags & XValue) {	623	if (flags & XValue)
		624	{
556	szHint.x = x;	625	szHint.x = x;
557	szHint.flags |= USPosition;	626	szHint.flags |= USPosition;
		627
558	if (flags & XNegative) {	628	if (flags & XNegative)
		629	{
559	recalc_x = 1;	630	recalc_x = 1;
560	szHint.win_gravity = NorthEastGravity;	631	szHint.win_gravity = NorthEastGravity;
561	}	632	}
562	}	633	}
		634
563	if (flags & YValue) {	635	if (flags & YValue)
		636	{
564	szHint.y = y;	637	szHint.y = y;
565	szHint.flags |= USPosition;	638	szHint.flags |= USPosition;
		639
566	if (flags & YNegative) {	640	if (flags & YNegative)
		641	{
567	recalc_y = 1;	642	recalc_y = 1;
		643
568	if (szHint.win_gravity == NorthEastGravity)	644	if (szHint.win_gravity == NorthEastGravity)
569	szHint.win_gravity = SouthEastGravity;	645	szHint.win_gravity = SouthEastGravity;
570	else	646	else
571	szHint.win_gravity = SouthWestGravity;	647	szHint.win_gravity = SouthWestGravity;
572	}	648	}
573	}	649	}
574	}	650	}
		651
575	/* TODO: BOUNDS */	652	/* TODO: BOUNDS */
576	TermWin.width = TermWin.ncol * TermWin.fwidth;	653	width = ncol * fwidth;
577	TermWin.height = TermWin.nrow * TermWin.fheight;	654	height = nrow * fheight;
578	max_width = MAX_COLS * TermWin.fwidth;	655	max_width = MAX_COLS * fwidth;
579	max_height = MAX_ROWS * TermWin.fheight;	656	max_height = MAX_ROWS * fheight;
580		657
581	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	658	szHint.base_width = szHint.base_height = 2 * int_bwidth;
582		659
583	sb_w = mb_h = 0;
584	window_vt_x = window_vt_y = 0;	660	window_vt_x = window_vt_y = int_bwidth;
585	if (scrollbar_visible (this)) {	661
		662	if (scrollBar.state)
		663	{
586	sb_w = scrollbar_TotalWidth();	664	int sb_w = scrollBar.total_width ();
587	szHint.base_width += sb_w;	665	szHint.base_width += sb_w;
		666
588	if (!(Options & Opt_scrollBar_right))	667	if (!option (Opt_scrollBar_right))
589	window_vt_x = sb_w;	668	window_vt_x += sb_w;
590	}	669	}
591	if (menubar_visible (this)) {	670
592	mb_h = menuBar_TotalHeight();
593	szHint.base_height += mb_h;
594	window_vt_y = mb_h;
595	}
596	szHint.width_inc = TermWin.fwidth;	671	szHint.width_inc = fwidth;
597	szHint.height_inc = TermWin.fheight;	672	szHint.height_inc = fheight;
598	szHint.min_width = szHint.base_width + szHint.width_inc;	673	szHint.min_width = szHint.base_width + szHint.width_inc;
599	szHint.min_height = szHint.base_height + szHint.height_inc;	674	szHint.min_height = szHint.base_height + szHint.height_inc;
600		675
601	if (width && width - szHint.base_width < max_width) {	676	if (newwidth && newwidth - szHint.base_width < max_width)
		677	{
602	szHint.width = width;	678	szHint.width = newwidth;
603	TermWin.width = width - szHint.base_width;	679	width = newwidth - szHint.base_width;
604	} else {	680	}
605	MIN_IT(TermWin.width, max_width);	681	else
		682	{
		683	min_it (width, max_width);
606	szHint.width = szHint.base_width + TermWin.width;	684	szHint.width = szHint.base_width + width;
607	}	685	}
		686
608	if (height && height - szHint.base_height < max_height) {	687	if (newheight && newheight - szHint.base_height < max_height)
		688	{
609	szHint.height = height;	689	szHint.height = newheight;
610	TermWin.height = height - szHint.base_height;	690	height = newheight - szHint.base_height;
611	} else {	691	}
		692	else
		693	{
612	MIN_IT(TermWin.height, max_height);	694	min_it (height, max_height);
613	szHint.height = szHint.base_height + TermWin.height;	695	szHint.height = szHint.base_height + height;
614	}	696	}
615	if (scrollbar_visible (this) && (Options & Opt_scrollBar_right))
616	window_sb_x = szHint.width - sb_w;
617		697
618	if (recalc_x)	698	if (recalc_x)
619	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	699	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
620	- szHint.width - 2 * TermWin.ext_bwidth);	700
621	if (recalc_y)	701	if (recalc_y)
622	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	702	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
623	- szHint.height - 2 * TermWin.ext_bwidth);
624		703
625	TermWin.ncol = TermWin.width / TermWin.fwidth;	704	ncol = width / fwidth;
626	TermWin.nrow = TermWin.height / TermWin.fheight;	705	nrow = height / fheight;
627	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	706
628	TermWin.ncol, TermWin.nrow, szHint.width,	707	// When the size of the vt window is not a multiple of the cell
629	szHint.height));	708	// size, i.e., when the wm does not honour our size hints, there are
630	return;	709	// extra areas not covered by the terminal screen. Such gaps, when a
		710	// bg pixmap is set, would have to be cleared manually to properly
		711	// refresh the background. We take the simpler route and shrink the
		712	// vt window so as to avoid creating gaps.
		713	vt_width = ncol * fwidth;
		714	vt_height = nrow * fheight;
631	}	715	}
632		716
633	/*----------------------------------------------------------------------*/	717	/*----------------------------------------------------------------------*/
634	/*	718	/*
635	* Tell the teletype handler what size the window is.	719	* Tell the teletype handler what size the window is.
636	* Called after a window size change.	720	* Called after a window size change.
637	*/	721	*/
638	void	722	void
639	rxvt_term::tt_winch ()	723	rxvt_term::tt_winch ()
640	{	724	{
641	struct winsize ws;	725	if (pty->pty < 0)
642
643	if (cmd_fd < 0)
644	return;	726	return;
645		727
		728	struct winsize ws;
		729
646	ws.ws_col = TermWin.ncol;	730	ws.ws_col = ncol;
647	ws.ws_row = TermWin.nrow;	731	ws.ws_row = nrow;
648	ws.ws_xpixel = ws.ws_ypixel = 0;	732	ws.ws_xpixel = vt_width;
649	#ifndef DEBUG_SIZE	733	ws.ws_ypixel = vt_height;
650	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	734	ioctl (pty->pty, TIOCSWINSZ, &ws);
		735
		736	#if 0
		737	// TIOCSWINSZ is supposed to do this automatically and correctly
		738	if (cmd_pid) /* force through to the command */
		739	kill (-cmd_pid, SIGWINCH);
		740	#endif
		741	}
		742
		743	/*----------------------------------------------------------------------*/
		744	/* load and set the various fonts */
		745	bool
		746	rxvt_term::set_fonts ()
		747	{
		748	rxvt_fontset *fs = new rxvt_fontset (this);
		749	rxvt_fontprop prop;
		750
		751	if (!fs
		752	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		753	|| !fs->realize_font (1))
		754	{
		755	delete fs;
		756	return false;
		757	}
		758
		759	#if ENABLE_STYLES
		760	for (int i = RS_styleCount; --i; )
		761	if (fontset[i] != fontset[0])
		762	delete fontset[i];
		763	#endif
		764
		765	delete fontset[0];
		766	fontset[0] = fs;
		767
		768	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		769	prop.width += letterSpace;
		770
		771	fs->set_prop (prop, false);
		772
		773	fwidth = prop.width;
		774	fheight = prop.height + lineSpace;
		775	fbase = prop.ascent;
		776
		777	for (int style = 1; style < 4; style++)
		778	{
		779	#if ENABLE_STYLES
		780	const char *res = rs[Rs_font + style];
		781
		782	if (res && !*res)
		783	fontset[style] = fontset[0];
		784	else
		785	{
		786	fontset[style] = fs = new rxvt_fontset (this);
		787	rxvt_fontprop prop2 = prop;
		788
		789	if (res)
		790	{
		791	fs->populate (res);
		792	fs->set_prop (prop2, false);
		793	}
		794	else
		795	{
		796	fs->populate (fontset[0]->fontdesc);
		797
		798	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		799	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		800
		801	fs->set_prop (prop2, true);
		802	}
		803
		804	}
651	#else	805	#else
652	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	806	fontset[style] = fontset[0];
653	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
654	# ifdef SIGWINCH
655	else if (cmd_pid) /* force through to the command */
656	kill (cmd_pid, SIGWINCH);
657	# endif	807	#endif
658	#endif	808	}
659	}
660		809
661	/*----------------------------------------------------------------------*/	810	if (parent)
662	/* rxvt_change_font() - Switch to a new font */	811	{
663	/*	812	resize_all_windows (0, 0, 0);
664	* init = 1 - initialize	813	scr_remap_chars ();
665	*	814	scr_touch (true);
666	* fontname == FONT_UP - switch to bigger font	815	}
667	* fontname == FONT_DN - switch to smaller font
668	*/
669	/* EXTPROTO */
670	void
671	rxvt_change_font(pR_ int init, const char *fontname)
672	{
673	}
674		816
675	/* INTPROTO */	817	return true;
		818	}
		819
676	void	820	void
677	rxvt_font_up_down(pR_ int n, int direction)	821	rxvt_term::set_string_property (Atom prop, const char *str, int len)
678	{	822	{
		823	XChangeProperty (dpy, parent,
		824	prop, XA_STRING, 8, PropModeReplace,
		825	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		826	}
		827
		828	void
		829	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		830	{
		831	XTextProperty ct;
		832
		833	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		834	{
		835	XSetTextProperty (dpy, parent, &ct, prop);
		836	XFree (ct.value);
		837	}
		838	}
		839
		840	void
		841	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		842	{
		843	wchar_t *ws = rxvt_mbstowcs (str, len);
		844	char *s = rxvt_wcstoutf8 (ws);
		845
		846	XChangeProperty (dpy, parent,
		847	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		848	(const unsigned char *)s, strlen (s));
		849
		850	free (s);
		851	free (ws);
679	}	852	}
680		853
681	/*----------------------------------------------------------------------*/	854	/*----------------------------------------------------------------------*/
682	/*----------------------------------------------------------------------*/	855	/*----------------------------------------------------------------------*/
683	/* xterm sequences - title, iconName, color (exptl) */	856	/* xterm sequences - title, iconName, color (exptl) */
684	/* EXTPROTO */
685	void	857	void
686	rxvt_set_title(pR_ const char *str)	858	rxvt_term::set_title (const char *str)
687	{	859	{
688	#ifndef SMART_WINDOW_TITLE	860	set_mbstring_property (XA_WM_NAME, str);
689	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	861	#if ENABLE_EWMH
690	#else	862	set_utf8_property (xa[XA_NET_WM_NAME], str);
691	char *name;
692
693	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif	863	#endif
700	}	864	}
701		865
702	/* EXTPROTO */
703	void	866	void
704	rxvt_set_iconName(pR_ const char *str)	867	rxvt_term::set_icon_name (const char *str)
705	{	868	{
706	#ifndef SMART_WINDOW_TITLE	869	set_mbstring_property (XA_WM_ICON_NAME, str);
707	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	870	#if ENABLE_EWMH
708	#else	871	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
709	char *name;
710
711	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
712	name = NULL;
713	if (name == NULL || STRCMP(name, str))
714	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
715	if (name)
716	XFree(name);
717	#endif	872	#endif
718	}	873	}
719		874
		875	void
		876	rxvt_term::set_window_color (int idx, const char *color)
		877	{
720	#ifdef XTERM_COLOR_CHANGE	878	#ifdef XTERM_COLOR_CHANGE
721	/* EXTPROTO */
722	void
723	rxvt_set_window_color(pR_ int idx, const char *color)
724	{
725	rxvt_color xcol;	879	rxvt_color xcol;
726	int i;
727		880
728	if (color == NULL || *color == '\0')	881	if (color == NULL || *color == '\0')
729	return;	882	return;
730		883
		884	color = strdup (color);
		885	allocated.push_back ((void *)color);
		886	rs[Rs_color + idx] = color;
		887
731	/* handle color aliases */	888	/* handle color aliases */
732	if (isdigit(*color)) {	889	if (isdigit (*color))
		890	{
733	i = atoi(color);	891	int i = atoi (color);
734	if (i >= 8 && i <= 15) { /* bright colors */	892
735	i -= 8;	893	if (i >= 8 && i <= 15)
736	# ifndef NO_BRIGHTCOLOR	894	{
737	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	895	/* bright colors */
738	SET_PIXCOLOR(R, idx);	896	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
739	goto Done;	897	goto done;
740	# endif
741	}	898	}
742	if (i >= 0 && i <= 7) { /* normal colors */	899
743	R->PixColors[idx] = R->PixColors[minCOLOR + i];	900	if (i >= 0 && i <= 7)
744	SET_PIXCOLOR(R, idx);	901	{
		902	/* normal colors */
		903	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
745	goto Done;	904	goto done;
746	}	905	}
747	}	906	}
748	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
749	return;
750	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
751		907
752	/*	908	set_color (xcol, color);
		909
		910	/*
753	* FIXME: should free colors here, but no idea how to do it so instead,	911	* FIXME: should free colors here, but no idea how to do it so instead,
754	* so just keep gobbling up the colormap	912	* so just keep gobbling up the colormap
755	*/	913	*/
756	# if 0
757	for (i = Color_Black; i <= Color_White; i++)
758	if (R->PixColors[idx] == R->PixColors[i])
759	break;
760	if (i > Color_White) {
761	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
762	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
763	DisplayPlanes(R->Xdisplay, Xscreen));
764	}
765	# endif
766		914
767	R->PixColors[idx] = xcol;	915	pix_colors_focused[idx] = xcol;
768	SET_PIXCOLOR(R, idx);
769		916
770	/* XSetWindowAttributes attr; */	917	done:
771	/* Cursor cursor; */
772	Done:
773	if (idx == Color_bg && !(R->Options & Opt_transparent))
774	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
775	R->PixColors[Color_bg]);
776
777	/* handle Color_BD, scrollbar background, etc. */	918	/*TODO: handle Color_BD, scrollbar background, etc. */
778		919
779	rxvt_set_colorfgbg (aR);	920	update_fade_color (idx);
780	R->recolour_cursor ();	921	recolour_cursor ();
781	/* the only reasonable way to enforce a clean update */	922	scr_recolour ();
782	rxvt_scr_poweron (aR);	923	#endif /* XTERM_COLOR_CHANGE */
783	}	924	}
784
785	#else
786	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
787	#endif /* XTERM_COLOR_CHANGE */
788		925
789	void	926	void
790	rxvt_term::recolour_cursor ()	927	rxvt_term::recolour_cursor ()
791	{	928	{
792	#if TODO	929	XColor fg, bg;
793	rxvt_color xcol[2];
794		930
795	xcol[0] = PixColors[Color_pointer];	931	(ISSET_PIXCOLOR (Color_pointer_fg)
796	xcol[1] = PixColors[Color_bg];	932	? pix_colors_focused[Color_pointer_fg]
797	XQueryColors (Xdisplay, XCMAP, xcol, 2);	933	: pix_colors_focused[Color_fg]).get (fg);
		934
		935	(ISSET_PIXCOLOR (Color_pointer_bg)
		936	? pix_colors_focused[Color_pointer_bg]
		937	: pix_colors_focused[Color_bg]).get (bg);
		938
798	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	939	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
799	#endif
800	}	940	}
801		941
802	/*----------------------------------------------------------------------*/	942	/*----------------------------------------------------------------------*/
803	/*	943	/*
804	* find if fg/bg matches any of the normal (low-intensity) colors	944	* find if fg/bg matches any of the normal (low-intensity) colors
805	*/	945	*/
806	/* INTPROTO */	946	char *
807	void
808	rxvt_set_colorfgbg(pR)	947	rxvt_term::get_colorfgbg ()
809	{	948	{
810	unsigned int i;	949	unsigned int i;
811	const char *xpmb = "\0";	950	const char *xpmb = "";
812	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	951	char fstr[] = "default";
		952	char bstr[] = "default";
		953	char *env_colorfgbg;
813		954
814	R->env_colorfgbg =
815	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
816	STRCPY(fstr, "default");
817	STRCPY(bstr, "default");
818	for (i = Color_Black; i <= Color_White; i++)	955	for (i = Color_Black; i <= Color_White; i++)
819	if (R->PixColors[Color_fg] == R->PixColors[i]) {	956	if (pix_colors[Color_fg] == pix_colors[i])
		957	{
820	sprintf(fstr, "%d", (i - Color_Black));	958	sprintf (fstr, "%d", i - Color_Black);
821	break;	959	break;
822	}	960	}
		961
823	for (i = Color_Black; i <= Color_White; i++)	962	for (i = Color_Black; i <= Color_White; i++)
824	if (R->PixColors[Color_bg] == R->PixColors[i]) {	963	if (pix_colors[Color_bg] == pix_colors[i])
		964	{
825	sprintf(bstr, "%d", (i - Color_Black));	965	sprintf (bstr, "%d", i - Color_Black);
826	#ifdef XPM_BACKGROUND	966	#ifdef BG_IMAGE_FROM_FILE
827	xpmb = "default;";	967	xpmb = "default;";
828	#endif	968	#endif
829	break;	969	break;
830	}	970	}
		971
		972	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
831	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	973	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
832	putenv(R->env_colorfgbg);	974	return env_colorfgbg;
833
834	#ifndef NO_BRIGHTCOLOR
835	R->colorfgbg = DEFAULT_RSTYLE;
836	for (i = minCOLOR; i <= maxCOLOR; i++) {
837	if (R->PixColors[Color_fg] == R->PixColors[i])
838	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
839	if (R->PixColors[Color_bg] == R->PixColors[i])
840	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
841	}
842	#endif
843	}	975	}
844		976
845	/*----------------------------------------------------------------------*/	977	/*----------------------------------------------------------------------*/
846	/*
847	* Colour determination for low colour displays, routine from
848	* Hans de Goede <hans@highrise.nl>
849	*/
850		978
851	/* EXTPROTO */	979	bool
852	int	980	rxvt_term::set_color (rxvt_color &color, const char *name)
853	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
854	{	981	{
855	screen_in_out->set(aR_ colour);	982	if (color.set (this, name))
856
857	if (!screen_in_out->set(aR_ colour)) {
858	rxvt_print_error("can't allocate colour: %s", colour);
859	return false;
860	}
861
862	return true;	983	return true;
		984
		985	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		986	return false;
		987	}
		988
		989	void
		990	rxvt_term::alias_color (int dst, int src)
		991	{
		992	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
863	}	993	}
864		994
865	/* -------------------------------------------------------------------- *	995	/* -------------------------------------------------------------------- *
866	* - WINDOW RESIZING - *	996	* - WINDOW RESIZING - *
867	* -------------------------------------------------------------------- */	997	* -------------------------------------------------------------------- */
868	void	998	void
869	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	999	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
870	{	1000	{
871	int fix_screen;	1001	int fix_screen;
		1002	int old_width = szHint.width;
		1003	int old_height = szHint.height;
872		1004
873	#ifdef SMART_RESIZE
874	int old_width = szHint.width, old_height = szHint.height;
875	#endif
876
877	window_calc (width, height);	1005	window_calc (newwidth, newheight);
		1006
		1007	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1008
		1009	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1010	if (set_hint)
		1011	{
		1012	szHint.flags &= ~(PBaseSize | PResizeInc);
878	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	1013	XSetWMNormalHints (dpy, parent, &szHint);
		1014	szHint.flags |= PBaseSize | PResizeInc;
		1015	}
		1016
879	if (!ignoreparent)	1017	if (!ignoreparent)
880	{	1018	{
881	#ifdef SMART_RESIZE	1019	#ifdef SMART_RESIZE
882	/*	1020	/*
883	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1021	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
886	int x, y, x1, y1;	1024	int x, y, x1, y1;
887	int dx, dy;	1025	int dx, dy;
888	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1026	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
889	Window unused_cr;	1027	Window unused_cr;
890		1028
891	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	1029	XTranslateCoordinates (dpy, parent, display->root,
892	0, 0, &x, &y, &unused_cr);	1030	0, 0, &x, &y, &unused_cr);
893	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	1031	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
894	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1032	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
895	/*	1033	/*
896	* if Xroot isn't the parent window, a WM will probably have offset	1034	* if display->root isn't the parent window, a WM will probably have offset
897	* our position for handles and decorations. Counter it	1035	* our position for handles and decorations. Counter it
898	*/	1036	*/
899	if (x1 != x || y1 != y) {	1037	if (x1 != x || y1 != y)
		1038	{
900	x -= x1;	1039	x -= x1;
901	y -= y1;	1040	y -= y1;
902	}	1041	}
903		1042
904	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	1043	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
905	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	1044	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
906	dx = old_width - szHint.width;	1045	dx = old_width - szHint.width;
907	dy = old_height - szHint.height;	1046	dy = old_height - szHint.height;
908		1047
909	/* Check position of the center of the window */	1048	/* Check position of the center of the window */
910	if (x < x1) /* left half */	1049	if (x < x1) /* left half */
911	dx = 0;	1050	dx = 0;
912	else if (x == x1) /* exact center */	1051	else if (x == x1) /* exact center */
913	dx /= 2;	1052	dx /= 2;
914	if (y < y1) /* top half */	1053	if (y < y1) /* top half */
915	dy = 0;	1054	dy = 0;
916	else if (y == y1) /* exact center */	1055	else if (y == y1) /* exact center */
917	dy /= 2;	1056	dy /= 2;
918		1057
919	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	1058	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
920	szHint.width, szHint.height);	1059	szHint.width, szHint.height);
921	#else	1060	#else
922	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	1061	XResizeWindow (dpy, parent, szHint.width, szHint.height);
923	szHint.height);
924	#endif	1062	#endif
925	}	1063	}
926		1064
927	fix_screen = (TermWin.ncol != prev_ncol	1065	if (set_hint)
928	|| TermWin.nrow != prev_nrow);	1066	XSetWMNormalHints (dpy, parent, &szHint);
929		1067
		1068	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1069
930	if (fix_screen || width != old_width || height != old_height)	1070	if (fix_screen || newwidth != old_width || newheight != old_height)
931	{	1071	{
932	if (scrollbar_visible (this))	1072	if (scrollBar.state)
933	{	1073	scrollBar.resize ();
934	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
935	0, scrollbar_TotalWidth (), szHint.height);
936	resize_scrollbar ();
937	}
938		1074
939	if (menubar_visible (this))	1075	XMoveResizeWindow (dpy, vt,
940	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1076	window_vt_x, window_vt_y,
941	0, TermWin_TotalWidth (), menuBar_TotalHeight ());	1077	vt_width, vt_height);
942		1078
943	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,	1079	#ifdef HAVE_BG_PIXMAP
944	window_vt_y, TermWin_TotalWidth (),	1080	if (bg_window_size_sensitive ())
945	TermWin_TotalHeight ());	1081	update_background ();
946	#ifdef RXVT_GRAPHICS
947	if (old_height)
948	rxvt_Gr_Resize (this, old_width - szHint.base_width,
949	old_height - szHint.base_height);
950	#endif
951	scr_clear ();
952	#ifdef XPM_BACKGROUND
953	rxvt_resize_pixmap (this);
954	#endif	1082	#endif
955	}	1083	}
956		1084
957	if (fix_screen || old_height == 0)	1085	if (fix_screen || old_height == 0)
958	{
959	int curr_screen = -1;
960	uint16_t old_ncol = prev_ncol;
961
962	/* scr_reset only works on the primary screen */
963	if (old_height) /* this is not the first time through */
964	curr_screen = rxvt_scr_change_screen (this, PRIMARY);
965
966	scr_reset();	1086	scr_reset ();
967
968	if (curr_screen >= 0) /* this is not the first time through */
969	{
970	rxvt_scr_change_screen (this, curr_screen);
971	rxvt_selection_check (this, old_ncol != TermWin.ncol ? 4 : 0);
972	}
973	}
974
975	old_width = szHint.width;
976	old_height = szHint.height;
977		1087
978	#ifdef USE_XIM	1088	#ifdef USE_XIM
979	rxvt_IMSetStatusPosition (this);	1089	im_set_position ();
980	#endif	1090	#endif
981	}	1091	}
982		1092
983	/*	1093	/*
984	* Set the width/height of the vt window in characters. Units are pixels.	1094	* Set the width/height of the vt window in characters. Units are pixels.
985	* good for toggling 80/132 columns	1095	* good for toggling 80/132 columns
986	*/	1096	*/
987	/* EXTPROTO */
988	void	1097	void
989	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1098	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
990	{	1099	{
991	XWindowAttributes wattr;	1100	XWindowAttributes wattr;
992		1101
993	if (width == 0 || height == 0) {	1102	if (newwidth == 0 || newheight == 0)
		1103	{
994	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1104	XGetWindowAttributes (dpy, display->root, &wattr);
		1105
995	if (width == 0)	1106	if (newwidth == 0)
996	width = wattr.width - R->szHint.base_width;	1107	newwidth = wattr.width - szHint.base_width;
997	if (height == 0)	1108	if (newheight == 0)
998	height = wattr.height - R->szHint.base_height;	1109	newheight = wattr.height - szHint.base_height;
		1110	}
		1111
		1112	if (newwidth != vt_width || newheight != vt_height)
999	}	1113	{
1000	if (width != R->TermWin.width || height != R->TermWin.height) {
1001	width += R->szHint.base_width;	1114	newwidth += szHint.base_width;
1002	height += R->szHint.base_height;	1115	newheight += szHint.base_height;
1003	R->resize_all_windows (width, height, 0);	1116	resize_all_windows (newwidth, newheight, 0);
1004	}	1117	}
1005	}	1118	}
1006		1119
1007	/* -------------------------------------------------------------------- *	1120	/* -------------------------------------------------------------------- *
1008	* - X INPUT METHOD ROUTINES - *	1121	* - X INPUT METHOD ROUTINES - *
1009	* -------------------------------------------------------------------- */	1122	* -------------------------------------------------------------------- */
1010	#ifdef USE_XIM	1123	#ifdef USE_XIM
1011	void
1012	rxvt_term::set_size (XRectangle *size)
1013	{
1014	size->x = TermWin.int_bwidth;
1015	size->y = TermWin.int_bwidth;
1016	size->width = Width2Pixel(TermWin.ncol);
1017	size->height = Height2Pixel(TermWin.nrow);
1018	}
1019		1124
1020	void	1125	void
1021	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1126	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1022	{	1127	{
1023	*fg = PixColors[Color_fg];	1128	fg = pix_colors [Color_fg];
1024	*bg = PixColors[Color_bg];	1129	bg = pix_colors [Color_bg];
		1130	}
		1131
		1132	void
		1133	rxvt_term::im_set_size (XRectangle &size)
		1134	{
		1135	// the int_bwidth terms make no sense to me
		1136	size.x = int_bwidth;
		1137	size.y = int_bwidth;
		1138	size.width = Width2Pixel (ncol) + int_bwidth;
		1139	size.height = Height2Pixel (nrow) + int_bwidth;
		1140	}
		1141
		1142	void
		1143	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1144	XRectangle &status_rect,
		1145	const XRectangle &needed_rect)
		1146	{
		1147	preedit_rect.x = needed_rect.width;
		1148	preedit_rect.y = 0;
		1149	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1150	preedit_rect.height = fheight;
		1151
		1152	status_rect.x = 0;
		1153	status_rect.y = 0;
		1154	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1155	status_rect.height = fheight;
1025	}	1156	}
1026		1157
1027	/* Checking whether input method is running. */	1158	/* Checking whether input method is running. */
1028	/* INTPROTO */
1029	Bool	1159	bool
1030	rxvt_IMisRunning(pR)	1160	rxvt_term::im_is_running ()
1031	{	1161	{
1032	char *p;	1162	Atom atom;
1033	Atom atom;	1163	Window win;
1034	Window win;
1035	char server[IMBUFSIZ];	1164	char server[IMBUFSIZ];
1036		1165
1037	/* get current locale modifier */	1166	/* get current locale modifier */
1038	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1167	if (char *p = XSetLocaleModifiers (0))
		1168	{
1039	STRCPY(server, "@server=");	1169	strcpy (server, "@server=");
1040	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1170	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1171
1041	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1172	if (p = strchr (server + 1, '@')) /* first one only */
1042	*p = '\0';	1173	*p = '\0';
1043		1174
1044	atom = XInternAtom(R->Xdisplay, server, False);	1175	atom = XInternAtom (dpy, server, False);
1045	win = XGetSelectionOwner(R->Xdisplay, atom);	1176	win = XGetSelectionOwner (dpy, atom);
		1177
1046	if (win != None)	1178	if (win != None)
1047	return True;	1179	return true;
1048	}	1180	}
		1181
1049	return False;	1182	return false;
1050	}	1183	}
1051		1184
1052	/* EXTPROTO */
1053	void	1185	void
1054	rxvt_IMSendSpot(pR)	1186	rxvt_term::im_send_spot ()
1055	{	1187	{
1056	XPoint spot;	1188	XPoint nspot;
1057	XVaNestedList preedit_attr;	1189	XVaNestedList preedit_attr;
1058		1190
1059	if (R->Input_Context == NULL	1191	if (!Input_Context
1060	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1192	|| !focus
1061	|| !(R->event_type == KeyPress	1193	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1062	|| R->event_type == Expose
1063	|| R->event_type == NoExpose
1064	|| R->event_type == SelectionNotify
1065	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1066	|| !rxvt_IMisRunning(aR))
1067	return;	1194	return;
1068		1195
1069	R->set_position (&spot);	1196	im_set_position (nspot);
1070		1197
		1198	if (nspot.x == spot.x && nspot.y == spot.y)
		1199	return;
		1200
		1201	spot = nspot;
		1202
1071	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1203	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1072	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1204	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1073	XFree(preedit_attr);	1205	XFree (preedit_attr);
1074	}	1206	}
1075		1207
1076	void	1208	void
1077	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1209	rxvt_term::im_destroy ()
1078	XRectangle * needed_rect)
1079	{	1210	{
1080	int mbh, vtx = 0;	1211	if (input_method)
		1212	{
		1213	if (Input_Context && input_method->xim)
		1214	XDestroyIC (Input_Context);
1081		1215
1082	if (scrollbar_visible (this) && !(Options & Opt_scrollBar_right))	1216	display->put_xim (input_method);
1083	vtx = scrollbar_TotalWidth();	1217	input_method = 0;
		1218	}
1084		1219
1085	mbh = menubar_visible (this) ? menuBar_TotalHeight() : 0;
1086	mbh -= TermWin.lineSpace;
1087
1088	preedit_rect->x = needed_rect->width + vtx;
1089	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1090
1091	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1092	preedit_rect->height = Height2Pixel(1);
1093
1094	status_rect->x = vtx;
1095	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1096
1097	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1098	status_rect->height = Height2Pixel(1);
1099	}
1100
1101	/* ARGSUSED */
1102	/* INTPROTO */
1103	void
1104	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1105	__attribute__ ((unused)), XPointer call_data
1106	__attribute__ ((unused)))
1107	{
1108	dR;
1109
1110	R->Input_Context = NULL;	1220	Input_Context = 0;
1111	/* To avoid Segmentation Fault in C locale: Solaris only? */
1112	if (STRCMP(R->locale, "C"))
1113	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1114	rxvt_IMInstantiateCallback, NULL);
1115	}	1221	}
		1222
		1223	#ifdef ENABLE_XIM_ONTHESPOT
		1224
		1225	static void
		1226	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1227	{
		1228	((rxvt_term *)client_data)->make_current ();
		1229	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1230	}
		1231
		1232	static void
		1233	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1234	{
		1235	((rxvt_term *)client_data)->make_current ();
		1236	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1237	}
		1238
		1239	static void
		1240	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1241	{
		1242	rxvt_term *term = (rxvt_term *)client_data;
		1243	XIMText *text = call_data->text;
		1244
		1245	term->make_current ();
		1246
		1247	if (text)
		1248	{
		1249	wchar_t *str;
		1250
		1251	if (!text->encoding_is_wchar && text->string.multi_byte)
		1252	{
		1253	// of course, X makes it ugly again
		1254	if (term->rs[Rs_imLocale])
		1255	SET_LOCALE (term->rs[Rs_imLocale]);
		1256
		1257	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1258	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1259
		1260	if (term->rs[Rs_imLocale])
		1261	SET_LOCALE (term->locale);
		1262	}
		1263	else
		1264	str = text->string.wide_char;
		1265
		1266	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1267	DT_INT, call_data->caret,
		1268	DT_INT, call_data->chg_first,
		1269	DT_INT, call_data->chg_length,
		1270	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1271	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1272	DT_END));
		1273	}
		1274	else
		1275	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1276	DT_INT, call_data->caret,
		1277	DT_INT, call_data->chg_first,
		1278	DT_INT, call_data->chg_length,
		1279	DT_END));
		1280	}
		1281
		1282	#if 0
		1283	static void
		1284	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1285	{
		1286	((rxvt_term *)client_data)->make_current ();
		1287	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1288	DT_INT, call_data->position,
		1289	DT_INT, call_data->direction,
		1290	DT_INT, call_data->style,
		1291	DT_END));
		1292	}
		1293	#endif
		1294
		1295	#endif
1116		1296
1117	/*	1297	/*
1118	* Try to open a XIM with the current modifiers, then see if we can	1298	* Try to open a XIM with the current modifiers, then see if we can
1119	* open a suitable preedit type	1299	* open a suitable preedit type
1120	*/	1300	*/
1121	static Bool	1301	bool
1122	rxvt_IM_get_IC (pR)	1302	rxvt_term::im_get_ic (const char *modifiers)
1123	{	1303	{
1124	int i, j, found;	1304	int i, j, found;
1125	XIM xim;	1305	XIM xim;
1126	XPoint spot;	1306	XPoint spot;
1127	XRectangle rect, status_rect, needed_rect;	1307	XRectangle rect, status_rect, needed_rect;
1128	unsigned long fg, bg;	1308	unsigned long fg, bg;
1129	const char *p;	1309	const char *p;
1130	char **s;	1310	char **s;
1131	XIMStyles *xim_styles;	1311	XIMStyles *xim_styles;
1132	XVaNestedList preedit_attr, status_attr;
1133	XIMCallback ximcallback;
1134		1312
1135	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1313	set_environ (envv);
1136	xim = XOpenIM (R->Xdisplay, NULL, NULL, NULL);	1314
1137	if (xim == NULL)	1315	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1138	return False;	1316	return false;
1139		1317
		1318	input_method = display->get_xim (locale, modifiers);
		1319	if (input_method == NULL)
		1320	return false;
		1321
		1322	xim = input_method->xim;
		1323	spot.x = spot.y = -1;
		1324
1140	xim_styles = NULL;	1325	xim_styles = NULL;
1141	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1326	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1142	|| !xim_styles || !xim_styles->count_styles) {	1327	|| !xim_styles || !xim_styles->count_styles)
1143	XCloseIM(xim);	1328	{
		1329	im_destroy ();
1144	return False;	1330	return false;
		1331	}
		1332
		1333	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1334
		1335	for (int pi = 0; pi < 2; pi++)
1145	}	1336	{
		1337	p = pet[pi];
1146		1338
1147	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1339	if (!p)
1148	: "OverTheSpot,OffTheSpot,Root";	1340	continue;
1149	s = rxvt_splitcommastring(p);	1341
		1342	s = rxvt_strsplit (',', p);
		1343
1150	for (i = found = 0; !found && s[i]; i++) {	1344	for (i = found = 0; !found && s[i]; i++)
		1345	{
1151	if (!STRCMP(s[i], "OverTheSpot"))	1346	if (!strcmp (s[i], "OverTheSpot"))
1152	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1347	input_style = XIMPreeditPosition | XIMStatusNothing;
1153	else if (!STRCMP(s[i], "OffTheSpot"))	1348	else if (!strcmp (s[i], "OffTheSpot"))
1154	R->input_style = (XIMPreeditArea | XIMStatusArea);	1349	input_style = XIMPreeditArea | XIMStatusArea;
1155	else if (!STRCMP(s[i], "Root"))	1350	else if (!strcmp (s[i], "Root"))
1156	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1351	input_style = XIMPreeditNothing | XIMStatusNothing;
		1352	else if (!strcmp (s[i], "None"))
		1353	input_style = XIMPreeditNone | XIMStatusNone;
		1354	#ifdef ENABLE_XIM_ONTHESPOT
		1355	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1356	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1357	#endif
		1358	else
		1359	input_style = XIMPreeditNothing | XIMStatusNothing;
1157		1360
1158	for (j = 0; j < xim_styles->count_styles; j++)	1361	for (j = 0; j < xim_styles->count_styles; j++)
1159	if (R->input_style == xim_styles->supported_styles[j]) {	1362	if (input_style == xim_styles->supported_styles[j])
		1363	{
		1364	rxvt_free_strsplit (s);
		1365
1160	found = 1;	1366	found = 1;
1161	break;	1367	goto foundpet;
1162	}	1368	}
		1369
		1370	}
		1371
		1372	rxvt_free_strsplit (s);
1163	}	1373	}
1164	for (i = 0; s[i]; i++)	1374
1165	free(s[i]);	1375	foundpet:
1166	free(s);	1376
1167	XFree(xim_styles);	1377	XFree (xim_styles);
1168		1378
1169	if (!found) {	1379	if (!found)
1170	XCloseIM(xim);	1380	{
		1381	im_destroy ();
1171	return False;	1382	return false;
		1383	}
		1384
		1385	XFontSet fs = 0;
		1386	XVaNestedList preedit_attr = 0, status_attr = 0;
		1387
		1388	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1172	}	1389	{
		1390	// fake us a font-set, please
		1391	char **missing_charset_list;
		1392	int missing_charset_count;
		1393	char *def_string;
		1394	char pat[512];
1173		1395
1174	ximcallback.callback = rxvt_IMDestroyCallback;	1396	sprintf (pat,
		1397	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1398	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1399	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"*",
		1403	fheight,
		1404	fheight + 1, fheight - 1,
		1405	fheight - 2, fheight + 2);
1175		1406
1176	/* XXX: not sure why we need this (as well as IC one below) */	1407	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1177	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1408	&missing_charset_list, &missing_charset_count, &def_string);
1178		1409
1179	preedit_attr = status_attr = NULL;	1410	if (missing_charset_list)
		1411	XFreeStringList (missing_charset_list);
1180		1412
		1413	if (!fs)
		1414	{
		1415	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1416	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1417	}
		1418	}
		1419
1181	if (R->input_style & XIMPreeditPosition) {	1420	if (input_style & XIMPreeditPosition)
		1421	{
1182	R->set_size (&rect);	1422	im_set_size (rect);
1183	R->set_position (&spot);	1423	im_set_position (spot);
1184	R->set_color (&fg, &bg);	1424	im_set_color (fg, bg);
1185		1425
1186	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1426	preedit_attr = XVaCreateNestedList (0,
		1427	XNForeground, fg,
		1428	XNBackground, bg,
		1429	XNArea, &rect,
1187	XNSpotLocation, &spot,	1430	XNSpotLocation, &spot,
1188	XNForeground, fg, XNBackground, bg,
1189	//XNFontSet, R->TermWin.fontset,	1431	XNFontSet, fs,
1190	NULL);
1191	} else if (R->input_style & XIMPreeditArea) {
1192	R->set_color (&fg, &bg);
1193
1194	/*
1195	* The necessary width of preedit area is unknown
1196	* until create input context.
1197	*/
1198	needed_rect.width = 0;
1199
1200	R->set_preedit_area(&rect, &status_rect, &needed_rect);
1201
1202	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1203	XNForeground, fg, XNBackground, bg,
1204	//XNFontSet, R->TermWin.fontset,
1205	NULL);
1206	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1207	XNForeground, fg, XNBackground, bg,
1208	//XNFontSet, R->TermWin.fontset,
1209	NULL);	1432	NULL);
1210	}	1433	}
1211	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,	1434	else if (input_style & XIMPreeditArea)
		1435	{
		1436	im_set_color (fg, bg);
		1437
		1438	/*
		1439	* The necessary width of preedit area is unknown
		1440	* until create input context.
		1441	*/
		1442	needed_rect.width = 0;
		1443	im_set_preedit_area (rect, status_rect, needed_rect);
		1444
		1445	preedit_attr = XVaCreateNestedList (0,
		1446	XNForeground, fg,
		1447	XNBackground, bg,
		1448	XNArea, &rect,
		1449	XNFontSet, fs,
		1450	NULL);
		1451	status_attr = XVaCreateNestedList (0,
		1452	XNForeground, fg,
		1453	XNBackground, bg,
		1454	XNArea, &status_rect,
		1455	XNFontSet, fs,
		1456	NULL);
		1457	}
		1458	#if ENABLE_XIM_ONTHESPOT
		1459	else if (input_style & XIMPreeditCallbacks)
		1460	{
		1461	XIMCallback xcb[4];
		1462
		1463	im_set_position (spot);
		1464
		1465	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1466	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1467	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1468	# if 0
		1469	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1470	# endif
		1471
		1472	preedit_attr = XVaCreateNestedList (0,
		1473	XNSpotLocation, &spot,
		1474	XNPreeditStartCallback, &xcb[0],
		1475	XNPreeditDoneCallback , &xcb[1],
		1476	XNPreeditDrawCallback , &xcb[2],
		1477	# if 0
		1478	XNPreeditCaretCallback, &xcb[3],
		1479	# endif
		1480	NULL);
		1481	}
		1482	#endif
		1483
		1484	Input_Context = XCreateIC (xim,
		1485	XNInputStyle, input_style,
1212	XNClientWindow, R->TermWin.parent[0],	1486	XNClientWindow, vt,
1213	XNFocusWindow, R->TermWin.parent[0],	1487	XNFocusWindow, parent,
1214	XNDestroyCallback, &ximcallback,
1215	preedit_attr ? XNPreeditAttributes : NULL,	1488	preedit_attr ? XNPreeditAttributes : NULL,
1216	preedit_attr,	1489	preedit_attr,
1217	status_attr ? XNStatusAttributes : NULL,	1490	status_attr ? XNStatusAttributes : NULL,
1218	status_attr, NULL);	1491	status_attr, NULL);
1219	if (preedit_attr)	1492
1220	XFree(preedit_attr);	1493	if (preedit_attr) XFree (preedit_attr);
1221	if (status_attr)	1494	if (status_attr) XFree (status_attr);
1222	XFree(status_attr);	1495	if (fs) XFreeFontSet (dpy, fs);
		1496
1223	if (R->Input_Context == NULL) {	1497	if (Input_Context == NULL)
1224	rxvt_print_error("failed to create input context");	1498	{
1225	XCloseIM(xim);	1499	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1500	im_destroy ();
1226	return False;	1501	return false;
1227	}	1502	}
1228	if (R->input_style & XIMPreeditArea)	1503
1229	rxvt_IMSetStatusPosition(aR);	1504	#if 0
1230	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1505	// unfortunately, only the focus window is used by XIM, hard to fix
		1506	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1507	vt_select_input ();
		1508	#endif
		1509
		1510	im_set_position ();
		1511
1231	return True;	1512	return true;
1232	}	1513	}
1233		1514
1234	/*
1235	* X manual pages and include files don't match on some systems:
1236	* some think this is an XIDProc and others an XIMProc so we can't
1237	* use the first argument - need to update this to be nice for
1238	* both types via some sort of configure detection
1239	*/
1240	/* ARGSUSED */
1241	/* EXTPROTO */
1242	void	1515	void
1243	rxvt_IMInstantiateCallback(Display * unused	1516	rxvt_term::im_cb ()
1244	__attribute__ ((unused)), XPointer client_data
1245	__attribute__ ((unused)), XPointer call_data
1246	__attribute__ ((unused)))
1247	{	1517	{
1248	dR;	1518	int i;
1249	int i, found, had_im;
1250	const char *p;	1519	const char *p;
1251	char **s;	1520	char **s;
1252	char buf[IMBUFSIZ];	1521	char buf[IMBUFSIZ];
1253		1522
1254	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1523	make_current ();
		1524
		1525	im_destroy ();
		1526
1255	if (R->Input_Context)	1527	if (Input_Context)
1256	return;	1528	return;
1257		1529
1258	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1259	if (R->rs[Rs_imLocale])	1530	if (rs[Rs_imLocale])
1260	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1531	SET_LOCALE (rs[Rs_imLocale]);
1261	#endif
1262		1532
1263	p = R->rs[Rs_inputMethod];	1533	p = rs[Rs_inputMethod];
1264	if (p && *p)	1534	if (p && *p)
1265	{	1535	{
1266	bool found = false;	1536	bool found = false;
1267		1537
1268	s = rxvt_splitcommastring (p);	1538	s = rxvt_strsplit (',', p);
		1539
1269	for (i = 0; s[i]; i++)	1540	for (i = 0; s[i]; i++)
1270	{	1541	{
1271	if (*s[i])	1542	if (*s[i])
1272	{	1543	{
1273	STRCPY (buf, "@im=");	1544	strcpy (buf, "@im=");
1274	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1545	strncat (buf, s[i], IMBUFSIZ - 5);
1275	if ((p = XSetLocaleModifiers (buf)) && *p	1546	if (im_get_ic (buf))
1276	&& rxvt_IM_get_IC (aR))
1277	{	1547	{
1278	found = true;	1548	found = true;
1279	break;	1549	break;
1280	}	1550	}
1281	}	1551	}
1282	}	1552	}
1283	for (i = 0; s[i]; i++)	1553
1284	free(s[i]);	1554	rxvt_free_strsplit (s);
1285	free(s);
1286		1555
1287	if (found)	1556	if (found)
1288	goto done;	1557	goto done;
1289	}	1558	}
1290		1559
1291	/* try with XMODIFIERS env. var. */	1560	/* try with XMODIFIERS env. var. */
1292	if ((p = XSetLocaleModifiers ("")) && *p	1561	if (im_get_ic (""))
1293	&& rxvt_IM_get_IC (aR))
1294	goto done;	1562	goto done;
1295		1563
1296	/* try with no modifiers base IF the user didn't specify an IM */	1564	/* try with no modifiers base IF the user didn't specify an IM */
1297	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1565	if (im_get_ic ("@im=none"))
1298	&& rxvt_IM_get_IC (aR) == True)
1299	goto done;	1566	goto done;
1300		1567
1301	done:	1568	done:
1302	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1303	if (R->rs[Rs_imLocale])	1569	if (rs[Rs_imLocale])
1304	setlocale (LC_CTYPE, R->locale);	1570	SET_LOCALE (locale);
1305	#endif
1306	}	1571	}
1307		1572
1308	/* EXTPROTO */
1309	void	1573	void
1310	rxvt_IMSetStatusPosition(pR)	1574	rxvt_term::im_set_position ()
1311	{	1575	{
1312	XRectangle preedit_rect, status_rect, *needed_rect;	1576	XRectangle preedit_rect, status_rect, *needed_rect;
1313	XVaNestedList preedit_attr, status_attr;	1577	XVaNestedList preedit_attr, status_attr;
1314		1578
1315	if (R->Input_Context == NULL	1579	if (!Input_Context
1316	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1580	|| !focus
1317	|| !rxvt_IMisRunning(aR))	1581	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1582	|| !im_is_running ())
1318	return;	1583	return;
1319		1584
		1585	if (input_style & XIMPreeditPosition)
		1586	{
		1587	im_set_size (preedit_rect);
		1588	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1589
		1590	XSetICValues (Input_Context,
		1591	XNPreeditAttributes, preedit_attr, NULL);
		1592	}
		1593	else
		1594	{
1320	/* Getting the necessary width of preedit area */	1595	/* Getting the necessary width of preedit area */
1321	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1596	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1322	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1597	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1323	XFree(status_attr);	1598	XFree (status_attr);
1324		1599
1325	R->set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1600	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1601	XFree (needed_rect);
1326		1602
1327	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1603	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1328	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1604	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1329		1605
1330	XSetICValues(R->Input_Context,	1606	XSetICValues (Input_Context,
1331	XNPreeditAttributes, preedit_attr,	1607	XNPreeditAttributes, preedit_attr,
1332	XNStatusAttributes, status_attr, NULL);	1608	XNStatusAttributes, status_attr,
		1609	NULL);
1333		1610
		1611	XFree (status_attr);
		1612	}
		1613
1334	XFree(preedit_attr);	1614	XFree (preedit_attr);
1335	XFree(status_attr);
1336	}	1615	}
1337	#endif /* USE_XIM */	1616	#endif /* USE_XIM */
1338		1617
1339	/*----------------------------------------------------------------------*/	1618	void
1340	rxvt_t rxvt_current_term;	1619	rxvt_term::get_window_origin (int &x, int &y)
		1620	{
		1621	Window cr;
		1622	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1623	}
		1624
		1625	Pixmap
		1626	rxvt_term::get_pixmap_property (Atom property)
		1627	{
		1628	Pixmap pixmap = None;
		1629
		1630	int aformat;
		1631	unsigned long nitems, bytes_after;
		1632	Atom atype;
		1633	unsigned char *prop;
		1634	int result = XGetWindowProperty (dpy, display->root, property,
		1635	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1636	&nitems, &bytes_after, &prop);
		1637	if (result == Success)
		1638	{
		1639	if (atype == XA_PIXMAP)
		1640	pixmap = *(Pixmap *)prop;
		1641	XFree (prop);
		1642	}
		1643
		1644	return pixmap;
		1645	}
		1646
		1647	#ifdef HAVE_BG_PIXMAP
		1648
		1649	void
		1650	rxvt_term::update_background ()
		1651	{
		1652	if (update_background_ev.is_active ())
		1653	return;
		1654
		1655	bg_invalidate ();
		1656
		1657	if (!mapped)
		1658	return;
		1659
		1660	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1661
		1662	if (to_wait <= 0.)
		1663	bg_render ();
		1664	else
		1665	update_background_ev.start (to_wait);
		1666	}
		1667
		1668	void
		1669	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1670	{
		1671	make_current ();
		1672
		1673	update_background_ev.stop ();
		1674	bg_render ();
		1675	refresh_check ();
		1676	}
		1677
		1678	#endif /* HAVE_BG_PIXMAP */
1341		1679
1342	/*----------------------- end-of-file (C source) -----------------------*/	1680	/*----------------------- end-of-file (C source) -----------------------*/

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