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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.14 by pcg, Thu Dec 18 00:29:29 2003 UTC vs.
Revision 1.370 by sf-exg, Thu Jan 19 15:08:55 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.14 2003/12/18 00:29:29 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	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
		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
		60	static char curlocale[128], savelocale[128];
		61
		62	bool
		63	rxvt_set_locale (const char *locale) NOTHROW
		64	{
		65	int size = strlen (locale) + 1;
		66
		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);
		74	setlocale (LC_CTYPE, curlocale);
		75	return true;
		76	}
		77
47	void *	78	void
48	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
49	{	80	{
50	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
51		84
52	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
53	return p;	148	return len;
54	}
55		149
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	150	}
		151	#endif
61		152
62	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
63	: 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
64	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
65	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),
66	#endif	179	#endif
67	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	182	#endif
70	x_ev (this, &rxvt_term::x_cb),	183	#ifndef NO_BELL
71	destroy_ev (this, &rxvt_term::destroy_cb),	184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72	check_ev (this, &rxvt_term::check_cb),	185	#endif
73	incr_ev (this, &rxvt_term::incr_cb)	186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
74	{	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
75	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;
76	}	212	}
77		213
78	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
79	{	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
80	scr_release ();	262	scr_release ();
81		263
82	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	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);
83	free (locale);	270	free (locale);
84	#endif	271	free (v_buffer);
85	#ifndef NO_SETOWNER_TTYDEV
86	rxvt_privileged_ttydev (this, RESTORE);
87	#endif
88	#ifdef UTMP_SUPPORT
89	rxvt_privileged_utmp (this, RESTORE);
90	#endif
91	#ifdef USE_XIM
92	if (Input_Context != NULL)
93	{
94	XDestroyIC (Input_Context);
95	Input_Context = NULL;
96	}
97	#endif
98		272
99	if (cmd_fd >= 0)	273	delete selection_req;
100	close (cmd_fd);
101		274
102	if (Xfd >= 0)	275	delete envv;
103	XCloseDisplay (Xdisplay);	276	delete argv;
104		277
105	delete PixColors;	278	#ifdef KEYSYM_RESOURCE
		279	delete keyboard;
		280	#endif
		281	#ifndef NO_RESOURCES
		282	XrmDestroyDatabase (option_db);
		283	#endif
		284	}
		285
		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 ();
106	}	296	}
107		297
108	void	298	void
109	rxvt_term::destroy ()	299	rxvt_term::destroy ()
110	{	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
111	check_ev.stop ();	323	flush_ev.stop ();
112	pty_ev.stop ();	324	pty_ev.stop ();
113	x_ev.stop ();
114	#ifdef CURSOR_BLINK	325	#ifdef CURSOR_BLINK
		326	cursor_blink_ev.stop ();
		327	#endif
		328	#ifdef TEXT_BLINK
115	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 ();
116	#endif	336	#endif
117	#ifdef POINTER_BLANK	337	#ifdef POINTER_BLANK
118	pointer_ev.stop ();	338	pointer_ev.stop ();
119	#endif	339	#endif
120		340
121	destroy_ev.start (0);	341	destroy_ev.start ();
122	}	342	}
123		343
124	void	344	void
125	rxvt_term::destroy_cb (time_watcher &w)	345	rxvt_term::destroy_cb (ev::idle &w, int revents)
126	{	346	{
127	SET_R (this);	347	make_current ();
128		348
129	delete this;	349	delete this;
130	}	350	}
131		351
132	/*----------------------------------------------------------------------*/	352	void
133	/* rxvt_init() */	353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
134	/* LIBPROTO */
135	rxvt_t
136	rxvt_init (int argc, const char *const *argv)
137	{	354	{
138	SET_R (new rxvt_term);	355	if (!opt)
139	dR;
140
141	if (!R->init_vars () || !R->init (argc, argv))
142	{
143	delete R;
144	return NULL;
145	}
146
147	return R;	356	return;
148	}
149		357
150	/* EXTPROTO */	358	uint8_t mask = 1 << (opt & 7);
151	void	359	uint8_t &val = options [opt >> 3];
152	rxvt_init_signals ()
153	{
154	/* install exit handler for cleanup */
155	#if 0
156	#ifdef HAVE_ATEXIT
157	atexit(rxvt_clean_exit);
158	#else
159	#endif
160	#endif
161		360
162	struct sigaction sa;	361	val = val & ~mask | (set ? mask : 0);
163
164	sigfillset (&sa.sa_mask);
165	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
166	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
167	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
168	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
169	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
170	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
171	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
172
173	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
174	/* signal (SIGURG, SIG_DFL); */
175
176	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
177	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
178	}
179
180	bool
181	rxvt_term::init (int argc, const char *const *argv)
182	{
183	dR;//TODO (scrollbar, setidle)
184
185	/*
186	* Save and then give up any super-user privileges
187	* If we need privileges in any area then we must specifically request it.
188	* We should only need to be root in these cases:
189	* 1. write utmp entries on some systems
190	* 2. chown tty on some systems
191	*/
192	rxvt_privileges (this, SAVE);
193	rxvt_privileges (this, IGNORE);
194
195	rxvt_init_secondary (this);
196
197	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
198
199	#if (MENUBAR_MAX)
200	rxvt_menubar_read (this, rs[Rs_menu]);
201	#endif
202	#ifdef HAVE_SCROLLBARS
203	if (Options & Opt_scrollBar)
204	scrollbar_setIdle (); /* set existence for size calculations */
205	#endif
206
207	rxvt_Create_Windows (this, argc, argv);
208
209	rxvt_init_xlocale (this);
210
211	scr_reset (); /* initialize screen */
212	#ifdef RXVT_GRAPHICS
213	rxvt_Gr_reset (this); /* reset graphics */
214	#endif
215
216	#if 0
217	#ifdef DEBUG_X
218	XSynchronize(Xdisplay, True);
219	#endif
220	#endif
221
222	#ifdef HAVE_SCROLLBARS
223	if (Options & Opt_scrollBar)
224	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
225	#endif
226	#if (MENUBAR_MAX)
227	if (menubar_visible(r))
228	XMapWindow (Xdisplay, menuBar.win);
229	#endif
230	#ifdef TRANSPARENT
231	if (Options & Opt_transparent)
232	{
233	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
234	rxvt_check_our_parents (this);
235	}
236	#endif
237	XMapWindow (Xdisplay, TermWin.vt);
238	XMapWindow (Xdisplay, TermWin.parent[0]);
239
240	rxvt_init_env (this);
241	rxvt_init_command (this, cmd_argv);
242
243	x_ev.start (Xfd, EVENT_READ);
244	pty_ev.start (cmd_fd, EVENT_READ);
245
246	check_ev.start ();
247
248	process_x_events ();
249
250	return true;
251	}
252
253	/* ------------------------------------------------------------------------- *
254	* SIGNAL HANDLING & EXIT HANDLER *
255	* ------------------------------------------------------------------------- */
256	/*
257	* Catch a SIGCHLD signal and exit if the direct child has died
258	*/
259	/* ARGSUSED */
260	/* EXTPROTO */
261	RETSIGTYPE
262	rxvt_Child_signal(int sig __attribute__ ((unused)))
263	{
264	int pid, save_errno = errno;
265	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
266	;
267	errno = save_errno;
268
269	#if 0
270	if (pid == R->cmd_pid)
271	exit (EXIT_SUCCESS);
272	#endif
273	}
274
275	/*
276	* Catch a fatal signal and tidy up before quitting
277	*/
278	/* EXTPROTO */
279	RETSIGTYPE
280	rxvt_Exit_signal(int sig)
281	{
282	signal(sig, SIG_DFL);
283	#ifdef DEBUG_CMD
284	rxvt_print_error("signal %d", sig);
285	#endif
286	rxvt_clean_exit();
287	kill(getpid(), sig);
288	}
289
290	/* ARGSUSED */
291	/* INTPROTO */
292	int
293	rxvt_xerror_handler(const Display * display
294	__attribute__ ((unused)), const XErrorEvent * event)
295	{
296	dR;
297
298	if (R->allowedxerror == -1)
299	R->allowedxerror = event->error_code;
300	else
301	{
302	rxvt_print_error("XError: Request: %d . %d, Error: %d",
303	event->request_code, event->minor_code,
304	event->error_code);
305
306	R->destroy ();
307	}
308
309	return 0;
310	}	362	}
311		363
312	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
313	/*	365	/*
314	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
315	* 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
316	*/	368	*/
317	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
318	void
319	rxvt_clean_exit ()
320	{
321	dR;
322		370
323	R->destroy ();	371	static void
324	}	372	rxvt_emergency_cleanup ()
325
326	/* ------------------------------------------------------------------------- *
327	* MEMORY ALLOCATION WRAPPERS *
328	* ------------------------------------------------------------------------- */
329	/* EXTPROTO */
330	void *
331	rxvt_malloc(size_t size)
332	{	373	{
333	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		375	(*t)->emergency_cleanup ();
		376	}
334		377
335	p = malloc(size);	378	#if !ENABLE_MINIMAL
336	if (p)	379	static void
337	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
338		426
339	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	427	int
340	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 ();
341	exit(EXIT_FAILURE);	452	_exit (EXIT_FAILURE);
342	/* NOTREACHED */
343	}	453	}
344		454
345	/* EXTPROTO */	455	static struct sig_handlers
346	void *
347	rxvt_calloc(size_t number, size_t size)
348	{	456	{
349	void *p;	457	ev::sig sw_term, sw_int;
350		458
351	p = calloc(number, size);	459	/*
352	if (p)	460	* Catch a fatal signal and tidy up before quitting
353	return p;	461	*/
		462	void sig_term (ev::sig &w, int revents);
354		463
355	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	464	sig_handlers ()
356	rxvt_clean_exit();	465	{
357	exit(EXIT_FAILURE);	466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
358	/* NOTREACHED */	467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
359	}	468	}
		469	} sig_handlers;
360		470
361	/* EXTPROTO */
362	void *
363	rxvt_realloc(void *ptr, size_t size)
364	{
365	void *p;
366
367	if (ptr)
368	p = realloc(ptr, size);
369	else
370	p = malloc(size);
371	if (p)
372	return p;
373
374	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
375	rxvt_clean_exit();
376	exit(EXIT_FAILURE);
377	/* NOTREACHED */
378	}
379
380	/* ------------------------------------------------------------------------- *
381	* PRIVILEGED OPERATIONS *
382	* ------------------------------------------------------------------------- */
383	/* take care of suid/sgid super-user (root) privileges */
384	/* INTPROTO */
385	void	471	void
386	rxvt_privileges(pR_ int mode)	472	sig_handlers::sig_term (ev::sig &w, int revents)
387	{	473	{
388	#if ! defined(__CYGWIN32__)	474	rxvt_emergency_cleanup ();
389	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	475	w.stop ();
390	/* setreuid() is the poor man's setuid(), seteuid() */	476	kill (getpid (), w.signum);
391	# define seteuid(a) setreuid(-1, (a))	477	}
392	# define setegid(a) setregid(-1, (a))	478
393	# 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;
394	# endif	501	# endif
395	# ifdef HAVE_SETEUID	502	# ifdef VREPRINT
396	switch (mode) {	503	tio->c_cc[VREPRINT] = CRPRNT;
397	case IGNORE:
398	/*
399	* change effective uid/gid - not real uid/gid - so we can switch
400	* back to root later, as required
401	*/
402	seteuid(getuid());
403	setegid(getgid());
404	break;
405	case SAVE:
406	R->euid = geteuid();
407	R->egid = getegid();
408	break;
409	case RESTORE:
410	seteuid(R->euid);
411	setegid(R->egid);
412	break;
413	}
414	# else
415	switch (mode) {
416	case IGNORE:
417	setuid(getuid());
418	setgid(getgid());
419	/* FALLTHROUGH */
420	case SAVE:
421	/* FALLTHROUGH */
422	case RESTORE:
423	break;
424	}
425	# endif	504	# endif
426	#endif	505	# ifdef VDISCRD
427	}	506	tio->c_cc[VDISCRD] = CFLUSH;
428
429	#ifdef UTMP_SUPPORT
430	/* EXTPROTO */
431	void
432	rxvt_privileged_utmp(pR_ char action)
433	{
434	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
435	action, R->next_utmp_action, getpid()));
436	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
437	|| (R->Options & Opt_utmpInhibit)
438	|| R->ttydev == NULL || *R->ttydev == '\0')
439	return;
440
441	rxvt_privileges(aR_ RESTORE);
442	if (action == SAVE) {
443	R->next_utmp_action = RESTORE;
444	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
445	} else { /* action == RESTORE */
446	R->next_utmp_action = IGNORE;
447	rxvt_cleanutent(aR);
448	}
449	rxvt_privileges(aR_ IGNORE);
450	}
451	#endif
452
453	#ifndef NO_SETOWNER_TTYDEV
454	/* EXTPROTO */
455	void
456	rxvt_privileged_ttydev(pR_ char action)
457	{
458	D_MAIN((stderr,
459	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
460	action, R->next_tty_action, getpid()));
461	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
462	|| R->ttydev == NULL || *R->ttydev == '\0')
463	return;
464
465	rxvt_privileges(aR_ RESTORE);
466
467	if (action == SAVE) {
468	R->next_tty_action = RESTORE;
469	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
470	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
471	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
472	R->next_tty_action = IGNORE;
473	else
474	# endif	507	# endif
475	{	508	# ifdef VWERSE
476	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	509	tio->c_cc[VWERSE] = CWERASE;
477	chmod(R->ttydev, R->ttymode);
478	# ifdef HAVE_REVOKE
479	revoke(R->ttydev);
480	# endif	510	# endif
481	}	511	# ifdef VLNEXT
482	} else { /* action == RESTORE */	512	tio->c_cc[VLNEXT] = CLNEXT;
483	R->next_tty_action = IGNORE;
484	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
485	chmod(R->ttydev, R->ttyfd_stat.st_mode);
486	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
487	# else
488	chmod(R->ttydev,
489	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
490	chown(R->ttydev, 0, 0);
491	# endif	513	# endif
492	}	514	# ifdef VSTATUS
493		515	tio->c_cc[VSTATUS] = CSTATUS;
494	rxvt_privileges(aR_ IGNORE);
495
496	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
497	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
498	action == RESTORE ? "Restoring" : (action ==
499	SAVE ? "Saving" :
500	"UNKNOWN ERROR for"), R->ttydev,
501	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
502	R->ttyfd_stat.st_gid));
503	# endif	516	# endif
504	}	517
		518	# if VMIN != VEOF
		519	tio->c_cc[VMIN] = 1;
505	#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	}
506		577
507	/*----------------------------------------------------------------------*/	578	/*----------------------------------------------------------------------*/
508	/*	579	/*
509	* window size/position calculcations for XSizeHint and other storage.	580	* window size/position calculations for XSizeHint and other storage.
510	* if width/height are non-zero then override calculated width/height	581	* if width/height are non-zero then override calculated width/height
511	*/	582	*/
512	/* EXTPROTO */
513	void	583	void
514	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	584	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
515	{	585	{
516	short recalc_x, recalc_y;	586	short recalc_x, recalc_y;
517	int x, y, sb_w, mb_h, flags;	587	int x, y, flags;
518	unsigned int w, h;	588	unsigned int w, h;
519	unsigned int max_width, max_height;	589	unsigned int max_width, max_height;
520		590
521	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
522	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
523	R->szHint.height));
524	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	591	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
525	R->szHint.win_gravity = NorthWestGravity;	592	szHint.win_gravity = NorthWestGravity;
526	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	593	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
527		594
528	recalc_x = recalc_y = 0;	595	recalc_x = recalc_y = 0;
529	flags = 0;	596	flags = 0;
		597
530	if (!R->parsed_geometry) {	598	if (!parsed_geometry)
		599	{
531	R->parsed_geometry = 1;	600	parsed_geometry = 1;
		601
532	if (R->rs[Rs_geometry])	602	if (rs[Rs_geometry])
533	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	603	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		604
534	if (flags & WidthValue) {	605	if (flags & WidthValue)
535	R->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 ());
536	R->szHint.flags |= USSize;	611	szHint.flags |= USSize;
537	}	612	}
		613
538	if (flags & HeightValue) {	614	if (flags & HeightValue)
539	R->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 ());
540	R->szHint.flags |= USSize;	620	szHint.flags |= USSize;
541	}	621	}
		622
542	if (flags & XValue) {	623	if (flags & XValue)
		624	{
543	R->szHint.x = x;	625	szHint.x = x;
544	R->szHint.flags |= USPosition;	626	szHint.flags |= USPosition;
		627
545	if (flags & XNegative) {	628	if (flags & XNegative)
		629	{
546	recalc_x = 1;	630	recalc_x = 1;
547	R->szHint.win_gravity = NorthEastGravity;	631	szHint.win_gravity = NorthEastGravity;
548	}	632	}
549	}	633	}
		634
550	if (flags & YValue) {	635	if (flags & YValue)
		636	{
551	R->szHint.y = y;	637	szHint.y = y;
552	R->szHint.flags |= USPosition;	638	szHint.flags |= USPosition;
		639
553	if (flags & YNegative) {	640	if (flags & YNegative)
		641	{
554	recalc_y = 1;	642	recalc_y = 1;
		643
555	if (R->szHint.win_gravity == NorthEastGravity)	644	if (szHint.win_gravity == NorthEastGravity)
556	R->szHint.win_gravity = SouthEastGravity;	645	szHint.win_gravity = SouthEastGravity;
557	else	646	else
558	R->szHint.win_gravity = SouthWestGravity;	647	szHint.win_gravity = SouthWestGravity;
559	}	648	}
560	}	649	}
561	}	650	}
		651
562	/* TODO: BOUNDS */	652	/* TODO: BOUNDS */
563	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	653	width = ncol * fwidth;
564	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	654	height = nrow * fheight;
565	max_width = MAX_COLS * R->TermWin.fwidth;	655	max_width = MAX_COLS * fwidth;
566	max_height = MAX_ROWS * R->TermWin.fheight;	656	max_height = MAX_ROWS * fheight;
567		657
568	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	658	szHint.base_width = szHint.base_height = 2 * int_bwidth;
569		659
570	sb_w = mb_h = 0;
571	R->window_vt_x = R->window_vt_y = 0;	660	window_vt_x = window_vt_y = int_bwidth;
572	if (scrollbar_visible(R)) {	661
		662	if (scrollBar.state)
		663	{
573	sb_w = scrollbar_TotalWidth();	664	int sb_w = scrollBar.total_width ();
574	R->szHint.base_width += sb_w;	665	szHint.base_width += sb_w;
		666
575	if (!(R->Options & Opt_scrollBar_right))	667	if (!option (Opt_scrollBar_right))
576	R->window_vt_x = sb_w;	668	window_vt_x += sb_w;
577	}	669	}
578	if (menubar_visible(R)) {	670
579	mb_h = menuBar_TotalHeight();
580	R->szHint.base_height += mb_h;
581	R->window_vt_y = mb_h;
582	}
583	R->szHint.width_inc = R->TermWin.fwidth;	671	szHint.width_inc = fwidth;
584	R->szHint.height_inc = R->TermWin.fheight;	672	szHint.height_inc = fheight;
585	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	673	szHint.min_width = szHint.base_width + szHint.width_inc;
586	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	674	szHint.min_height = szHint.base_height + szHint.height_inc;
587		675
588	if (width && width - R->szHint.base_width < max_width) {	676	if (newwidth && newwidth - szHint.base_width < max_width)
		677	{
589	R->szHint.width = width;	678	szHint.width = newwidth;
590	R->TermWin.width = width - R->szHint.base_width;	679	width = newwidth - szHint.base_width;
591	} else {	680	}
592	MIN_IT(R->TermWin.width, max_width);	681	else
		682	{
		683	min_it (width, max_width);
593	R->szHint.width = R->szHint.base_width + R->TermWin.width;	684	szHint.width = szHint.base_width + width;
594	}	685	}
		686
595	if (height && height - R->szHint.base_height < max_height) {	687	if (newheight && newheight - szHint.base_height < max_height)
		688	{
596	R->szHint.height = height;	689	szHint.height = newheight;
597	R->TermWin.height = height - R->szHint.base_height;	690	height = newheight - szHint.base_height;
598	} else {	691	}
599	MIN_IT(R->TermWin.height, max_height);	692	else
		693	{
		694	min_it (height, max_height);
600	R->szHint.height = R->szHint.base_height + R->TermWin.height;	695	szHint.height = szHint.base_height + height;
601	}	696	}
602	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
603	R->window_sb_x = R->szHint.width - sb_w;
604		697
605	if (recalc_x)	698	if (recalc_x)
606	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	699	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
607	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	700
608	if (recalc_y)	701	if (recalc_y)
609	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	702	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
610	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
611		703
612	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	704	ncol = width / fwidth;
613	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	705	nrow = height / fheight;
614	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	706
615	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	707	// When the size of the vt window is not a multiple of the cell
616	R->szHint.height));	708	// size, i.e., when the wm does not honour our size hints, there are
617	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;
618	}	715	}
619		716
620	/*----------------------------------------------------------------------*/	717	/*----------------------------------------------------------------------*/
621	/*	718	/*
622	* Tell the teletype handler what size the window is.	719	* Tell the teletype handler what size the window is.
623	* Called after a window size change.	720	* Called after a window size change.
624	*/	721	*/
625	void	722	void
626	rxvt_term::tt_winch ()	723	rxvt_term::tt_winch ()
627	{	724	{
628	struct winsize ws;	725	if (pty->pty < 0)
629
630	if (cmd_fd < 0)
631	return;	726	return;
632		727
		728	struct winsize ws;
		729
633	ws.ws_col = TermWin.ncol;	730	ws.ws_col = ncol;
634	ws.ws_row = TermWin.nrow;	731	ws.ws_row = nrow;
635	ws.ws_xpixel = ws.ws_ypixel = 0;	732	ws.ws_xpixel = vt_width;
636	#ifndef DEBUG_SIZE	733	ws.ws_ypixel = vt_height;
637	(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.height += lineSpace;
		770	prop.width += letterSpace;
		771
		772	fs->set_prop (prop, false);
		773
		774	fwidth = prop.width;
		775	fheight = prop.height;
		776	fbase = prop.ascent;
		777
		778	for (int style = 1; style < 4; style++)
		779	{
		780	#if ENABLE_STYLES
		781	const char *res = rs[Rs_font + style];
		782
		783	if (res && !*res)
		784	fontset[style] = fontset[0];
		785	else
		786	{
		787	fontset[style] = fs = new rxvt_fontset (this);
		788	rxvt_fontprop prop2 = prop;
		789
		790	if (res)
		791	{
		792	fs->populate (res);
		793	fs->set_prop (prop2, false);
		794	}
		795	else
		796	{
		797	fs->populate (fontset[0]->fontdesc);
		798
		799	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		800	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		801
		802	fs->set_prop (prop2, true);
		803	}
		804
		805	}
638	#else	806	#else
639	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	807	fontset[style] = fontset[0];
640	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
641	# ifdef SIGWINCH
642	else if (cmd_pid) /* force through to the command */
643	kill (cmd_pid, SIGWINCH);
644	# endif	808	#endif
645	#endif	809	}
646	}
647		810
648	/*----------------------------------------------------------------------*/	811	if (parent)
649	/* rxvt_change_font() - Switch to a new font */	812	{
650	/*	813	resize_all_windows (0, 0, 0);
651	* init = 1 - initialize	814	scr_remap_chars ();
652	*	815	scr_touch (true);
653	* fontname == FONT_UP - switch to bigger font	816	}
654	* fontname == FONT_DN - switch to smaller font
655	*/
656	/* EXTPROTO */
657	void
658	rxvt_change_font(pR_ int init, const char *fontname)
659	{
660	}
661		817
662	/* INTPROTO */	818	return true;
		819	}
		820
663	void	821	void
664	rxvt_font_up_down(pR_ int n, int direction)	822	rxvt_term::set_string_property (Atom prop, const char *str, int len)
665	{	823	{
		824	XChangeProperty (dpy, parent,
		825	prop, XA_STRING, 8, PropModeReplace,
		826	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		827	}
		828
		829	void
		830	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		831	{
		832	XTextProperty ct;
		833
		834	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		835	{
		836	XSetTextProperty (dpy, parent, &ct, prop);
		837	XFree (ct.value);
		838	}
		839	}
		840
		841	void
		842	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		843	{
		844	wchar_t *ws = rxvt_mbstowcs (str, len);
		845	char *s = rxvt_wcstoutf8 (ws);
		846
		847	XChangeProperty (dpy, parent,
		848	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		849	(const unsigned char *)s, strlen (s));
		850
		851	free (s);
		852	free (ws);
666	}	853	}
667		854
668	/*----------------------------------------------------------------------*/	855	/*----------------------------------------------------------------------*/
669	/*----------------------------------------------------------------------*/	856	/*----------------------------------------------------------------------*/
670	/* xterm sequences - title, iconName, color (exptl) */	857	/* xterm sequences - title, iconName, color (exptl) */
671	/* EXTPROTO */
672	void	858	void
673	rxvt_set_title(pR_ const char *str)	859	rxvt_term::set_title (const char *str)
674	{	860	{
675	#ifndef SMART_WINDOW_TITLE	861	set_mbstring_property (XA_WM_NAME, str);
676	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	862	#if ENABLE_EWMH
677	#else	863	set_utf8_property (xa[XA_NET_WM_NAME], str);
678	char *name;
679
680	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
681	name = NULL;
682	if (name == NULL || STRCMP(name, str))
683	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
684	if (name)
685	XFree(name);
686	#endif	864	#endif
687	}	865	}
688		866
689	/* EXTPROTO */
690	void	867	void
691	rxvt_set_iconName(pR_ const char *str)	868	rxvt_term::set_icon_name (const char *str)
692	{	869	{
693	#ifndef SMART_WINDOW_TITLE	870	set_mbstring_property (XA_WM_ICON_NAME, str);
694	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	871	#if ENABLE_EWMH
695	#else	872	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
696	char *name;
697
698	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
699	name = NULL;
700	if (name == NULL || STRCMP(name, str))
701	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
702	if (name)
703	XFree(name);
704	#endif	873	#endif
705	}	874	}
706		875
		876	void
		877	rxvt_term::set_window_color (int idx, const char *color)
		878	{
707	#ifdef XTERM_COLOR_CHANGE	879	#ifdef XTERM_COLOR_CHANGE
708	/* EXTPROTO */
709	void
710	rxvt_set_window_color(pR_ int idx, const char *color)
711	{
712	rxvt_color xcol;	880	rxvt_color xcol;
713	int i;
714		881
715	if (color == NULL || *color == '\0')	882	if (color == NULL || *color == '\0')
716	return;	883	return;
717		884
		885	color = strdup (color);
		886	allocated.push_back ((void *)color);
		887	rs[Rs_color + idx] = color;
		888
718	/* handle color aliases */	889	/* handle color aliases */
719	if (isdigit(*color)) {	890	if (isdigit (*color))
		891	{
720	i = atoi(color);	892	int i = atoi (color);
721	if (i >= 8 && i <= 15) { /* bright colors */	893
722	i -= 8;	894	if (i >= 8 && i <= 15)
723	# ifndef NO_BRIGHTCOLOR	895	{
724	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	896	/* bright colors */
725	SET_PIXCOLOR(R, idx);	897	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
726	goto Done;	898	goto done;
727	# endif
728	}	899	}
729	if (i >= 0 && i <= 7) { /* normal colors */	900
730	R->PixColors[idx] = R->PixColors[minCOLOR + i];	901	if (i >= 0 && i <= 7)
731	SET_PIXCOLOR(R, idx);	902	{
		903	/* normal colors */
		904	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
732	goto Done;	905	goto done;
733	}	906	}
734	}	907	}
735	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
736	return;
737	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
738		908
739	/*	909	set_color (xcol, color);
		910
		911	/*
740	* FIXME: should free colors here, but no idea how to do it so instead,	912	* FIXME: should free colors here, but no idea how to do it so instead,
741	* so just keep gobbling up the colormap	913	* so just keep gobbling up the colormap
742	*/	914	*/
743	# if 0
744	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[idx] == R->PixColors[i])
746	break;
747	if (i > Color_White) {
748	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
749	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
750	DisplayPlanes(R->Xdisplay, Xscreen));
751	}
752	# endif
753		915
754	R->PixColors[idx] = xcol;	916	pix_colors_focused[idx] = xcol;
755	SET_PIXCOLOR(R, idx);
756		917
757	/* XSetWindowAttributes attr; */	918	done:
758	/* Cursor cursor; */
759	Done:
760	if (idx == Color_bg && !(R->Options & Opt_transparent))
761	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
762	R->PixColors[Color_bg]);
763
764	/* handle Color_BD, scrollbar background, etc. */	919	/*TODO: handle Color_BD, scrollbar background, etc. */
765		920
766	rxvt_set_colorfgbg(aR);	921	update_fade_color (idx);
767	rxvt_recolour_cursor(aR);	922	recolour_cursor ();
768	/* the only reasonable way to enforce a clean update */	923	scr_recolour ();
769	rxvt_scr_poweron(aR);	924	#endif /* XTERM_COLOR_CHANGE */
770	}	925	}
771		926
772	#else
773	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
774	#endif /* XTERM_COLOR_CHANGE */
775
776	/* EXTPROTO */
777	void	927	void
778	rxvt_recolour_cursor(pR)	928	rxvt_term::recolour_cursor ()
779	{	929	{
780	rxvt_color xcol[2];	930	XColor fg, bg;
781		931
782	#if TODO	932	(ISSET_PIXCOLOR (Color_pointer_fg)
783	xcol[0] = R->PixColors[Color_pointer];	933	? pix_colors_focused[Color_pointer_fg]
784	xcol[1] = R->PixColors[Color_bg];	934	: pix_colors_focused[Color_fg]).get (fg);
785	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	935
786	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	936	(ISSET_PIXCOLOR (Color_pointer_bg)
787	#endif	937	? pix_colors_focused[Color_pointer_bg]
		938	: pix_colors_focused[Color_bg]).get (bg);
		939
		940	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
788	}	941	}
789		942
790	/*----------------------------------------------------------------------*/	943	/*----------------------------------------------------------------------*/
791	/*	944	/*
792	* find if fg/bg matches any of the normal (low-intensity) colors	945	* find if fg/bg matches any of the normal (low-intensity) colors
793	*/	946	*/
794	/* INTPROTO */	947	char *
795	void
796	rxvt_set_colorfgbg(pR)	948	rxvt_term::get_colorfgbg ()
797	{	949	{
798	unsigned int i;	950	unsigned int i;
799	const char *xpmb = "\0";	951	const char *xpmb = "";
800	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	952	char fstr[] = "default";
		953	char bstr[] = "default";
		954	char *env_colorfgbg;
801		955
802	R->env_colorfgbg =
803	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
804	STRCPY(fstr, "default");
805	STRCPY(bstr, "default");
806	for (i = Color_Black; i <= Color_White; i++)	956	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_fg] == R->PixColors[i]) {	957	if (pix_colors[Color_fg] == pix_colors[i])
		958	{
808	sprintf(fstr, "%d", (i - Color_Black));	959	sprintf (fstr, "%d", i - Color_Black);
809	break;	960	break;
810	}	961	}
		962
811	for (i = Color_Black; i <= Color_White; i++)	963	for (i = Color_Black; i <= Color_White; i++)
812	if (R->PixColors[Color_bg] == R->PixColors[i]) {	964	if (pix_colors[Color_bg] == pix_colors[i])
		965	{
813	sprintf(bstr, "%d", (i - Color_Black));	966	sprintf (bstr, "%d", i - Color_Black);
814	#ifdef XPM_BACKGROUND	967	#ifdef BG_IMAGE_FROM_FILE
815	xpmb = "default;";	968	xpmb = "default;";
816	#endif	969	#endif
817	break;	970	break;
818	}	971	}
		972
		973	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
819	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	974	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
820	putenv(R->env_colorfgbg);	975	return env_colorfgbg;
821
822	#ifndef NO_BRIGHTCOLOR
823	R->colorfgbg = DEFAULT_RSTYLE;
824	for (i = minCOLOR; i <= maxCOLOR; i++) {
825	if (R->PixColors[Color_fg] == R->PixColors[i])
826	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
827	if (R->PixColors[Color_bg] == R->PixColors[i])
828	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
829	}
830	#endif
831	}	976	}
832		977
833	/*----------------------------------------------------------------------*/	978	/*----------------------------------------------------------------------*/
834	/*
835	* Colour determination for low colour displays, routine from
836	* Hans de Goede <hans@highrise.nl>
837	*/
838		979
839	/* EXTPROTO */	980	bool
840	int	981	rxvt_term::set_color (rxvt_color &color, const char *name)
841	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
842	{	982	{
843	screen_in_out->set(aR_ colour);	983	if (color.set (this, name))
844
845	if (!screen_in_out->set(aR_ colour)) {
846	rxvt_print_error("can't allocate colour: %s", colour);
847	return false;
848	}
849
850	return true;	984	return true;
		985
		986	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		987	return false;
		988	}
		989
		990	void
		991	rxvt_term::alias_color (int dst, int src)
		992	{
		993	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
851	}	994	}
852		995
853	/* -------------------------------------------------------------------- *	996	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	997	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	998	* -------------------------------------------------------------------- */
856	/* EXTPROTO */
857	void	999	void
858	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1000	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
859	int ignoreparent)
860	{	1001	{
861	int fix_screen;	1002	int fix_screen;
		1003	int old_width = szHint.width;
		1004	int old_height = szHint.height;
862		1005
		1006	window_calc (newwidth, newheight);
		1007
		1008	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1009
		1010	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1011	if (set_hint)
		1012	{
		1013	szHint.flags &= ~(PBaseSize | PResizeInc);
		1014	XSetWMNormalHints (dpy, parent, &szHint);
		1015	szHint.flags |= PBaseSize | PResizeInc;
		1016	}
		1017
		1018	if (!ignoreparent)
		1019	{
863	#ifdef SMART_RESIZE	1020	#ifdef SMART_RESIZE
864	int old_width = R->szHint.width, old_height = R->szHint.height;	1021	/*
865	#endif
866
867	rxvt_window_calc(aR_ width, height);
868	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
869	if (!ignoreparent) {
870	#ifdef SMART_RESIZE
871	/*
872	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1022	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
873	* reposition window on resize depending on placement on screen	1023	* reposition window on resize depending on placement on screen
874	*/	1024	*/
875	int x, y, x1, y1;	1025	int x, y, x1, y1;
876	int dx, dy;	1026	int dx, dy;
877	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1027	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
878	Window unused_cr;	1028	Window unused_cr;
879		1029
880	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1030	XTranslateCoordinates (dpy, parent, display->root,
881	0, 0, &x, &y, &unused_cr);	1031	0, 0, &x, &y, &unused_cr);
882	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1032	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
883	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1033	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
884	/*	1034	/*
885	* if Xroot isn't the parent window, a WM will probably have offset	1035	* if display->root isn't the parent window, a WM will probably have offset
886	* our position for handles and decorations. Counter it	1036	* our position for handles and decorations. Counter it
887	*/	1037	*/
888	if (x1 != x || y1 != y) {	1038	if (x1 != x || y1 != y)
		1039	{
889	x -= x1;	1040	x -= x1;
890	y -= y1;	1041	y -= y1;
891	}	1042	}
892		1043
893	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1044	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
894	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1045	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
895	dx = old_width - R->szHint.width;	1046	dx = old_width - szHint.width;
896	dy = old_height - R->szHint.height;	1047	dy = old_height - szHint.height;
897		1048
898	/* Check position of the center of the window */	1049	/* Check position of the center of the window */
899	if (x < x1) /* left half */	1050	if (x < x1) /* left half */
900	dx = 0;	1051	dx = 0;
901	else if (x == x1) /* exact center */	1052	else if (x == x1) /* exact center */
902	dx /= 2;	1053	dx /= 2;
903	if (y < y1) /* top half */	1054	if (y < y1) /* top half */
904	dy = 0;	1055	dy = 0;
905	else if (y == y1) /* exact center */	1056	else if (y == y1) /* exact center */
906	dy /= 2;	1057	dy /= 2;
907		1058
908	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1059	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
909	R->szHint.width, R->szHint.height);	1060	szHint.width, szHint.height);
910	#else	1061	#else
911	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1062	XResizeWindow (dpy, parent, szHint.width, szHint.height);
912	R->szHint.height);
913	#endif	1063	#endif
914	}	1064	}
915		1065
916	fix_screen = (R->TermWin.ncol != R->prev_ncol	1066	if (set_hint)
917	|| R->TermWin.nrow != R->prev_nrow);	1067	XSetWMNormalHints (dpy, parent, &szHint);
		1068
		1069	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1070
918	if (fix_screen || width != R->old_width || height != R->old_height) {	1071	if (fix_screen || newwidth != old_width || newheight != old_height)
919	if (scrollbar_visible(R)) {
920	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
921	0, scrollbar_TotalWidth(), R->szHint.height);
922	rxvt_Resize_scrollBar(aR);
923	}
924	if (menubar_visible(R))
925	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
926	0, TermWin_TotalWidth(), menuBar_TotalHeight());
927	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
928	R->window_vt_y, TermWin_TotalWidth(),
929	TermWin_TotalHeight());
930	#ifdef RXVT_GRAPHICS
931	if (R->old_height)
932	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
933	R->old_height - R->szHint.base_height);
934	#endif
935	rxvt_scr_clear(aR);
936	#ifdef XPM_BACKGROUND
937	rxvt_resize_pixmap(aR);
938	#endif
939	}	1072	{
		1073	if (scrollBar.state)
		1074	scrollBar.resize ();
940		1075
		1076	XMoveResizeWindow (dpy, vt,
		1077	window_vt_x, window_vt_y,
		1078	vt_width, vt_height);
		1079
		1080	#ifdef HAVE_BG_PIXMAP
		1081	if (bg_window_size_sensitive ())
		1082	update_background ();
		1083	#endif
		1084	}
		1085
941	if (fix_screen || R->old_height == 0) {	1086	if (fix_screen || old_height == 0)
942	int curr_screen = -1;
943	uint16_t old_ncol = R->prev_ncol;
944
945	/* scr_reset only works on the primary screen */
946	if (R->old_height) /* this is not the first time through */
947	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
948
949	R->scr_reset();	1087	scr_reset ();
950
951	if (curr_screen >= 0) { /* this is not the first time through */
952	rxvt_scr_change_screen(aR_ curr_screen);
953	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
954	}
955	}
956
957	R->old_width = R->szHint.width;
958	R->old_height = R->szHint.height;
959		1088
960	#ifdef USE_XIM	1089	#ifdef USE_XIM
961	rxvt_IMSetStatusPosition(aR);	1090	im_set_position ();
962	#endif	1091	#endif
963	}	1092	}
964		1093
965	/*	1094	/*
966	* Set the width/height of the vt window in characters. Units are pixels.	1095	* Set the width/height of the vt window in characters. Units are pixels.
967	* good for toggling 80/132 columns	1096	* good for toggling 80/132 columns
968	*/	1097	*/
969	/* EXTPROTO */
970	void	1098	void
971	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1099	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
972	{	1100	{
973	XWindowAttributes wattr;	1101	XWindowAttributes wattr;
974		1102
975	if (width == 0 || height == 0) {	1103	if (newwidth == 0 || newheight == 0)
		1104	{
976	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1105	XGetWindowAttributes (dpy, display->root, &wattr);
		1106
977	if (width == 0)	1107	if (newwidth == 0)
978	width = wattr.width - R->szHint.base_width;	1108	newwidth = wattr.width - szHint.base_width;
979	if (height == 0)	1109	if (newheight == 0)
980	height = wattr.height - R->szHint.base_height;	1110	newheight = wattr.height - szHint.base_height;
		1111	}
		1112
		1113	if (newwidth != vt_width || newheight != vt_height)
981	}	1114	{
982	if (width != R->TermWin.width || height != R->TermWin.height) {
983	width += R->szHint.base_width;	1115	newwidth += szHint.base_width;
984	height += R->szHint.base_height;	1116	newheight += szHint.base_height;
985	rxvt_resize_all_windows(aR_ width, height, 0);	1117	resize_all_windows (newwidth, newheight, 0);
986	}	1118	}
987	}	1119	}
988		1120
989	/* -------------------------------------------------------------------- *	1121	/* -------------------------------------------------------------------- *
990	* - X INPUT METHOD ROUTINES - *	1122	* - X INPUT METHOD ROUTINES - *
991	* -------------------------------------------------------------------- */	1123	* -------------------------------------------------------------------- */
992	#ifdef USE_XIM	1124	#ifdef USE_XIM
993	/* INTPROTO */
994	void
995	rxvt_setSize(pR_ XRectangle * size)
996	{
997	size->x = R->TermWin.int_bwidth;
998	size->y = R->TermWin.int_bwidth;
999	size->width = Width2Pixel(R->TermWin.ncol);
1000	size->height = Height2Pixel(R->TermWin.nrow);
1001	}
1002		1125
1003	/* INTPROTO */
1004	void	1126	void
1005	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1127	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1006	{	1128	{
1007	*fg = R->PixColors[Color_fg];	1129	fg = pix_colors [Color_fg];
1008	*bg = R->PixColors[Color_bg];	1130	bg = pix_colors [Color_bg];
		1131	}
		1132
		1133	void
		1134	rxvt_term::im_set_size (XRectangle &size)
		1135	{
		1136	// the int_bwidth terms make no sense to me
		1137	size.x = int_bwidth;
		1138	size.y = int_bwidth;
		1139	size.width = Width2Pixel (ncol) + int_bwidth;
		1140	size.height = Height2Pixel (nrow) + int_bwidth;
		1141	}
		1142
		1143	void
		1144	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1145	XRectangle &status_rect,
		1146	const XRectangle &needed_rect)
		1147	{
		1148	preedit_rect.x = needed_rect.width;
		1149	preedit_rect.y = 0;
		1150	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1151	preedit_rect.height = fheight;
		1152
		1153	status_rect.x = 0;
		1154	status_rect.y = 0;
		1155	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1156	status_rect.height = fheight;
1009	}	1157	}
1010		1158
1011	/* Checking whether input method is running. */	1159	/* Checking whether input method is running. */
1012	/* INTPROTO */
1013	Bool	1160	bool
1014	rxvt_IMisRunning(pR)	1161	rxvt_term::im_is_running ()
1015	{	1162	{
1016	char *p;	1163	Atom atom;
1017	Atom atom;	1164	Window win;
1018	Window win;
1019	char server[IMBUFSIZ];	1165	char server[IMBUFSIZ];
1020		1166
1021	/* get current locale modifier */	1167	/* get current locale modifier */
1022	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1168	if (char *p = XSetLocaleModifiers (0))
		1169	{
1023	STRCPY(server, "@server=");	1170	strcpy (server, "@server=");
1024	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1171	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1172
1025	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1173	if (p = strchr (server + 1, '@')) /* first one only */
1026	*p = '\0';	1174	*p = '\0';
1027		1175
1028	atom = XInternAtom(R->Xdisplay, server, False);	1176	atom = XInternAtom (dpy, server, False);
1029	win = XGetSelectionOwner(R->Xdisplay, atom);	1177	win = XGetSelectionOwner (dpy, atom);
		1178
1030	if (win != None)	1179	if (win != None)
1031	return True;	1180	return true;
1032	}	1181	}
		1182
1033	return False;	1183	return false;
1034	}	1184	}
1035		1185
1036	/* EXTPROTO */
1037	void	1186	void
1038	rxvt_IMSendSpot(pR)	1187	rxvt_term::im_send_spot ()
1039	{	1188	{
1040	XPoint spot;	1189	XPoint nspot;
1041	XVaNestedList preedit_attr;	1190	XVaNestedList preedit_attr;
1042		1191
1043	if (R->Input_Context == NULL	1192	if (!Input_Context
1044	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1193	|| !focus
1045	|| !(R->event_type == KeyPress	1194	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1046	|| R->event_type == Expose
1047	|| R->event_type == NoExpose
1048	|| R->event_type == SelectionNotify
1049	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1050	|| !rxvt_IMisRunning(aR))
1051	return;	1195	return;
1052		1196
1053	rxvt_setPosition(aR_ & spot);	1197	im_set_position (nspot);
1054		1198
		1199	if (nspot.x == spot.x && nspot.y == spot.y)
		1200	return;
		1201
		1202	spot = nspot;
		1203
1055	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1204	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1056	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1205	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1057	XFree(preedit_attr);	1206	XFree (preedit_attr);
1058	}	1207	}
1059		1208
1060	/* EXTPROTO */
1061	void	1209	void
1062	rxvt_setTermFontSet(pR_ int idx)	1210	rxvt_term::im_destroy ()
1063	{	1211	{
1064	char *string;	1212	if (input_method)
1065	long length;	1213	{
1066	int success = 0;	1214	if (Input_Context && input_method->xim)
		1215	XDestroyIC (Input_Context);
1067		1216
1068	if (idx < 0 || idx >= MAX_NFONTS)	1217	display->put_xim (input_method);
1069	return;	1218	input_method = 0;
1070	}	1219	}
1071		1220
1072	/* INTPROTO */
1073	void
1074	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1075	XRectangle * needed_rect)
1076	{
1077	int mbh, vtx = 0;
1078
1079	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1080	vtx = scrollbar_TotalWidth();
1081	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1082	mbh -= R->TermWin.lineSpace;
1083
1084	preedit_rect->x = needed_rect->width + vtx;
1085	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1088	+ vtx;
1089	preedit_rect->height = Height2Pixel(1);
1090
1091	status_rect->x = vtx;
1092	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1093
1094	status_rect->width = needed_rect->width ? needed_rect->width
1095	: Width2Pixel(R->TermWin.ncol + 1);
1096	status_rect->height = Height2Pixel(1);
1097	}
1098
1099	/* ARGSUSED */
1100	/* INTPROTO */
1101	void
1102	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1103	__attribute__ ((unused)), XPointer call_data
1104	__attribute__ ((unused)))
1105	{
1106	dR;
1107
1108	R->Input_Context = NULL;	1221	Input_Context = 0;
1109	/* To avoid Segmentation Fault in C locale: Solaris only? */
1110	if (STRCMP(R->locale, "C"))
1111	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1112	rxvt_IMInstantiateCallback, NULL);
1113	}	1222	}
		1223
		1224	#ifdef ENABLE_XIM_ONTHESPOT
		1225
		1226	static void
		1227	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1228	{
		1229	((rxvt_term *)client_data)->make_current ();
		1230	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1231	}
		1232
		1233	static void
		1234	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1235	{
		1236	((rxvt_term *)client_data)->make_current ();
		1237	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1238	}
		1239
		1240	static void
		1241	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1242	{
		1243	rxvt_term *term = (rxvt_term *)client_data;
		1244	XIMText *text = call_data->text;
		1245
		1246	term->make_current ();
		1247
		1248	if (text)
		1249	{
		1250	wchar_t *str;
		1251
		1252	if (!text->encoding_is_wchar && text->string.multi_byte)
		1253	{
		1254	// of course, X makes it ugly again
		1255	if (term->rs[Rs_imLocale])
		1256	SET_LOCALE (term->rs[Rs_imLocale]);
		1257
		1258	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1259	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1260
		1261	if (term->rs[Rs_imLocale])
		1262	SET_LOCALE (term->locale);
		1263	}
		1264	else
		1265	str = text->string.wide_char;
		1266
		1267	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1268	DT_INT, call_data->caret,
		1269	DT_INT, call_data->chg_first,
		1270	DT_INT, call_data->chg_length,
		1271	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1272	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1273	DT_END));
		1274	}
		1275	else
		1276	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1277	DT_INT, call_data->caret,
		1278	DT_INT, call_data->chg_first,
		1279	DT_INT, call_data->chg_length,
		1280	DT_END));
		1281	}
		1282
		1283	#if 0
		1284	static void
		1285	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1286	{
		1287	((rxvt_term *)client_data)->make_current ();
		1288	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1289	DT_INT, call_data->position,
		1290	DT_INT, call_data->direction,
		1291	DT_INT, call_data->style,
		1292	DT_END));
		1293	}
		1294	#endif
		1295
		1296	#endif
1114		1297
1115	/*	1298	/*
1116	* X manual pages and include files don't match on some systems:	1299	* Try to open a XIM with the current modifiers, then see if we can
1117	* some think this is an XIDProc and others an XIMProc so we can't	1300	* open a suitable preedit type
1118	* use the first argument - need to update this to be nice for
1119	* both types via some sort of configure detection
1120	*/	1301	*/
1121	/* ARGSUSED */	1302	bool
1122	/* EXTPROTO */	1303	rxvt_term::im_get_ic (const char *modifiers)
1123	void
1124	rxvt_IMInstantiateCallback(Display * unused
1125	__attribute__ ((unused)), XPointer client_data
1126	__attribute__ ((unused)), XPointer call_data
1127	__attribute__ ((unused)))
1128	{	1304	{
1129	dR;	1305	int i, j, found;
1130	int i, found, had_im;	1306	XIM xim;
		1307	XPoint spot;
		1308	XRectangle rect, status_rect, needed_rect;
		1309	unsigned long fg, bg;
		1310	const char *p;
		1311	char **s;
		1312	XIMStyles *xim_styles;
		1313
		1314	set_environ (envv);
		1315
		1316	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1317	return false;
		1318
		1319	input_method = display->get_xim (locale, modifiers);
		1320	if (input_method == NULL)
		1321	return false;
		1322
		1323	xim = input_method->xim;
		1324	spot.x = spot.y = -1;
		1325
		1326	xim_styles = NULL;
		1327	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1328	|| !xim_styles || !xim_styles->count_styles)
		1329	{
		1330	im_destroy ();
		1331	return false;
		1332	}
		1333
		1334	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1335
		1336	for (int pi = 0; pi < 2; pi++)
		1337	{
		1338	p = pet[pi];
		1339
		1340	if (!p)
		1341	continue;
		1342
		1343	s = rxvt_strsplit (',', p);
		1344
		1345	for (i = found = 0; !found && s[i]; i++)
		1346	{
		1347	if (!strcmp (s[i], "OverTheSpot"))
		1348	input_style = XIMPreeditPosition | XIMStatusNothing;
		1349	else if (!strcmp (s[i], "OffTheSpot"))
		1350	input_style = XIMPreeditArea | XIMStatusArea;
		1351	else if (!strcmp (s[i], "Root"))
		1352	input_style = XIMPreeditNothing | XIMStatusNothing;
		1353	else if (!strcmp (s[i], "None"))
		1354	input_style = XIMPreeditNone | XIMStatusNone;
		1355	#ifdef ENABLE_XIM_ONTHESPOT
		1356	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1357	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1358	#endif
		1359	else
		1360	input_style = XIMPreeditNothing | XIMStatusNothing;
		1361
		1362	for (j = 0; j < xim_styles->count_styles; j++)
		1363	if (input_style == xim_styles->supported_styles[j])
		1364	{
		1365	rxvt_free_strsplit (s);
		1366
		1367	found = 1;
		1368	goto foundpet;
		1369	}
		1370
		1371	}
		1372
		1373	rxvt_free_strsplit (s);
		1374	}
		1375
		1376	foundpet:
		1377
		1378	XFree (xim_styles);
		1379
		1380	if (!found)
		1381	{
		1382	im_destroy ();
		1383	return false;
		1384	}
		1385
		1386	XFontSet fs = 0;
		1387	XVaNestedList preedit_attr = 0, status_attr = 0;
		1388
		1389	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1390	{
		1391	// fake us a font-set, please
		1392	char **missing_charset_list;
		1393	int missing_charset_count;
		1394	char *def_string;
		1395	char pat[512];
		1396
		1397	sprintf (pat,
		1398	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1399	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"*",
		1404	fheight,
		1405	fheight + 1, fheight - 1,
		1406	fheight - 2, fheight + 2);
		1407
		1408	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1409	&missing_charset_list, &missing_charset_count, &def_string);
		1410
		1411	if (missing_charset_list)
		1412	XFreeStringList (missing_charset_list);
		1413
		1414	if (!fs)
		1415	{
		1416	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1417	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1418	}
		1419	}
		1420
		1421	if (input_style & XIMPreeditPosition)
		1422	{
		1423	im_set_size (rect);
		1424	im_set_position (spot);
		1425	im_set_color (fg, bg);
		1426
		1427	preedit_attr = XVaCreateNestedList (0,
		1428	XNForeground, fg,
		1429	XNBackground, bg,
		1430	XNArea, &rect,
		1431	XNSpotLocation, &spot,
		1432	XNFontSet, fs,
		1433	NULL);
		1434	}
		1435	else if (input_style & XIMPreeditArea)
		1436	{
		1437	im_set_color (fg, bg);
		1438
		1439	/*
		1440	* The necessary width of preedit area is unknown
		1441	* until create input context.
		1442	*/
		1443	needed_rect.width = 0;
		1444	im_set_preedit_area (rect, status_rect, needed_rect);
		1445
		1446	preedit_attr = XVaCreateNestedList (0,
		1447	XNForeground, fg,
		1448	XNBackground, bg,
		1449	XNArea, &rect,
		1450	XNFontSet, fs,
		1451	NULL);
		1452	status_attr = XVaCreateNestedList (0,
		1453	XNForeground, fg,
		1454	XNBackground, bg,
		1455	XNArea, &status_rect,
		1456	XNFontSet, fs,
		1457	NULL);
		1458	}
		1459	#if ENABLE_XIM_ONTHESPOT
		1460	else if (input_style & XIMPreeditCallbacks)
		1461	{
		1462	XIMCallback xcb[4];
		1463
		1464	im_set_position (spot);
		1465
		1466	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1467	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1468	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1469	# if 0
		1470	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1471	# endif
		1472
		1473	preedit_attr = XVaCreateNestedList (0,
		1474	XNSpotLocation, &spot,
		1475	XNPreeditStartCallback, &xcb[0],
		1476	XNPreeditDoneCallback , &xcb[1],
		1477	XNPreeditDrawCallback , &xcb[2],
		1478	# if 0
		1479	XNPreeditCaretCallback, &xcb[3],
		1480	# endif
		1481	NULL);
		1482	}
		1483	#endif
		1484
		1485	Input_Context = XCreateIC (xim,
		1486	XNInputStyle, input_style,
		1487	XNClientWindow, vt,
		1488	XNFocusWindow, parent,
		1489	preedit_attr ? XNPreeditAttributes : NULL,
		1490	preedit_attr,
		1491	status_attr ? XNStatusAttributes : NULL,
		1492	status_attr, NULL);
		1493
		1494	if (preedit_attr) XFree (preedit_attr);
		1495	if (status_attr) XFree (status_attr);
		1496	if (fs) XFreeFontSet (dpy, fs);
		1497
		1498	if (Input_Context == NULL)
		1499	{
		1500	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1501	im_destroy ();
		1502	return false;
		1503	}
		1504
		1505	#if 0
		1506	// unfortunately, only the focus window is used by XIM, hard to fix
		1507	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1508	vt_select_input ();
		1509	#endif
		1510
		1511	im_set_position ();
		1512
		1513	return true;
		1514	}
		1515
		1516	void
		1517	rxvt_term::im_cb ()
		1518	{
		1519	int i;
1131	const char *p;	1520	const char *p;
1132	char **s;	1521	char **s;
1133	char buf[IMBUFSIZ];	1522	char buf[IMBUFSIZ];
1134		1523
1135	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1524	make_current ();
		1525
		1526	im_destroy ();
		1527
1136	if (R->Input_Context)	1528	if (Input_Context)
1137	return;	1529	return;
1138		1530
1139	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1140	if (R->rs[Rs_imLocale])	1531	if (rs[Rs_imLocale])
1141	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1532	SET_LOCALE (rs[Rs_imLocale]);
1142	#endif
1143		1533
1144	p = R->rs[Rs_inputMethod];	1534	p = rs[Rs_inputMethod];
1145	if (p && *p)	1535	if (p && *p)
1146	{	1536	{
1147	bool found = false;	1537	bool found = false;
1148		1538
1149	s = rxvt_splitcommastring (p);	1539	s = rxvt_strsplit (',', p);
		1540
1150	for (i = 0; s[i]; i++)	1541	for (i = 0; s[i]; i++)
1151	{	1542	{
1152	if (*s[i])	1543	if (*s[i])
1153	{	1544	{
1154	STRCPY (buf, "@im=");	1545	strcpy (buf, "@im=");
1155	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1546	strncat (buf, s[i], IMBUFSIZ - 5);
1156	if ((p = XSetLocaleModifiers (buf)) && *p	1547	if (im_get_ic (buf))
1157	&& rxvt_IM_get_IC (aR))
1158	{	1548	{
1159	found = true;	1549	found = true;
1160	break;	1550	break;
1161	}	1551	}
1162	}	1552	}
1163	}	1553	}
1164	for (i = 0; s[i]; i++)	1554
1165	free(s[i]);	1555	rxvt_free_strsplit (s);
1166	free(s);
1167		1556
1168	if (found)	1557	if (found)
1169	goto done;	1558	goto done;
1170	}	1559	}
1171		1560
1172	/* try with XMODIFIERS env. var. */	1561	/* try with XMODIFIERS env. var. */
1173	if ((p = XSetLocaleModifiers ("")) && *p	1562	if (im_get_ic (""))
1174	&& rxvt_IM_get_IC (aR))
1175	goto done;	1563	goto done;
1176		1564
1177	/* try with no modifiers base IF the user didn't specify an IM */	1565	/* try with no modifiers base IF the user didn't specify an IM */
1178	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1566	if (im_get_ic ("@im=none"))
1179	&& rxvt_IM_get_IC (aR) == True)
1180	goto done;	1567	goto done;
1181		1568
1182	done:	1569	done: ;
1183	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1184	if (R->rs[Rs_imLocale])	1570	if (rs[Rs_imLocale])
1185	setlocale (LC_CTYPE, R->locale);	1571	SET_LOCALE (locale);
1186	#endif
1187	}	1572	}
1188		1573
1189	/*	1574	void
1190	* Try to open a XIM with the current modifiers, then see if we can	1575	rxvt_term::im_set_position ()
1191	* open a suitable preedit type
1192	*/
1193	/* INTPROTO */
1194	Bool
1195	rxvt_IM_get_IC(pR)
1196	{	1576	{
1197	int i, j, found;
1198	XIM xim;
1199	XPoint spot;
1200	XRectangle rect, status_rect, needed_rect;	1577	XRectangle preedit_rect, status_rect, *needed_rect;
1201	unsigned long fg, bg;
1202	const char *p;
1203	char **s;
1204	XIMStyles *xim_styles;
1205	XVaNestedList preedit_attr, status_attr;	1578	XVaNestedList preedit_attr, status_attr;
1206	XIMCallback ximcallback;
1207		1579
1208	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1580	if (!Input_Context
1209	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1581	|| !focus
1210	if (xim == NULL)	1582	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1211	return False;	1583	|| !im_is_running ())
		1584	return;
1212		1585
1213	xim_styles = NULL;
1214	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1215	|| !xim_styles || !xim_styles->count_styles) {
1216	XCloseIM(xim);
1217	return False;
1218	}
1219
1220	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1221	: "OverTheSpot,OffTheSpot,Root";
1222	s = rxvt_splitcommastring(p);
1223	for (i = found = 0; !found && s[i]; i++) {
1224	if (!STRCMP(s[i], "OverTheSpot"))
1225	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1226	else if (!STRCMP(s[i], "OffTheSpot"))
1227	R->input_style = (XIMPreeditArea | XIMStatusArea);
1228	else if (!STRCMP(s[i], "Root"))
1229	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1230
1231	for (j = 0; j < xim_styles->count_styles; j++)
1232	if (R->input_style == xim_styles->supported_styles[j]) {
1233	found = 1;
1234	break;
1235	}
1236	}
1237	for (i = 0; s[i]; i++)
1238	free(s[i]);
1239	free(s);
1240	XFree(xim_styles);
1241
1242	if (!found) {
1243	XCloseIM(xim);
1244	return False;
1245	}
1246
1247	ximcallback.callback = rxvt_IMDestroyCallback;
1248
1249	/* XXX: not sure why we need this (as well as IC one below) */
1250	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1251
1252	preedit_attr = status_attr = NULL;
1253
1254	if (R->input_style & XIMPreeditPosition) {	1586	if (input_style & XIMPreeditPosition)
1255	rxvt_setSize(aR_ & rect);	1587	{
1256	rxvt_setPosition(aR_ & spot);	1588	im_set_size (preedit_rect);
1257	rxvt_setColor(aR_ & fg, &bg);
1258
1259	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1589	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1260	XNSpotLocation, &spot,
1261	XNForeground, fg, XNBackground, bg,
1262	//XNFontSet, R->TermWin.fontset,
1263	NULL);
1264	} else if (R->input_style & XIMPreeditArea) {
1265	rxvt_setColor(aR_ & fg, &bg);
1266		1590
1267	/*	1591	XSetICValues (Input_Context,
1268	* The necessary width of preedit area is unknown	1592	XNPreeditAttributes, preedit_attr, NULL);
1269	* until create input context.	1593	}
1270	*/	1594	else
1271	needed_rect.width = 0;
1272
1273	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1274
1275	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1276	XNForeground, fg, XNBackground, bg,
1277	//XNFontSet, R->TermWin.fontset,
1278	NULL);
1279	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1280	XNForeground, fg, XNBackground, bg,
1281	//XNFontSet, R->TermWin.fontset,
1282	NULL);
1283	}	1595	{
1284	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1285	XNClientWindow, R->TermWin.parent[0],
1286	XNFocusWindow, R->TermWin.parent[0],
1287	XNDestroyCallback, &ximcallback,
1288	preedit_attr ? XNPreeditAttributes : NULL,
1289	preedit_attr,
1290	status_attr ? XNStatusAttributes : NULL,
1291	status_attr, NULL);
1292	if (preedit_attr)
1293	XFree(preedit_attr);
1294	if (status_attr)
1295	XFree(status_attr);
1296	if (R->Input_Context == NULL) {
1297	rxvt_print_error("failed to create input context");
1298	XCloseIM(xim);
1299	return False;
1300	}
1301	if (R->input_style & XIMPreeditArea)
1302	rxvt_IMSetStatusPosition(aR);
1303	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1304	return True;
1305	}
1306
1307	/* EXTPROTO */
1308	void
1309	rxvt_IMSetStatusPosition(pR)
1310	{
1311	XRectangle preedit_rect, status_rect, *needed_rect;
1312	XVaNestedList preedit_attr, status_attr;
1313
1314	if (R->Input_Context == NULL
1315	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1316	|| !rxvt_IMisRunning(aR))
1317	return;
1318
1319	/* Getting the necessary width of preedit area */	1596	/* Getting the necessary width of preedit area */
1320	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1597	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1321	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1598	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1322	XFree(status_attr);	1599	XFree (status_attr);
1323		1600
1324	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1601	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1602	XFree (needed_rect);
1325		1603
1326	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1604	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1327	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1605	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1328		1606
1329	XSetICValues(R->Input_Context,	1607	XSetICValues (Input_Context,
1330	XNPreeditAttributes, preedit_attr,	1608	XNPreeditAttributes, preedit_attr,
1331	XNStatusAttributes, status_attr, NULL);	1609	XNStatusAttributes, status_attr,
		1610	NULL);
1332		1611
		1612	XFree (status_attr);
		1613	}
		1614
1333	XFree(preedit_attr);	1615	XFree (preedit_attr);
1334	XFree(status_attr);
1335	}	1616	}
1336	#endif /* USE_XIM */	1617	#endif /* USE_XIM */
1337		1618
1338	/*----------------------------------------------------------------------*/	1619	void
1339	rxvt_t rxvt_current_term;	1620	rxvt_term::get_window_origin (int &x, int &y)
		1621	{
		1622	Window cr;
		1623	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1624	}
		1625
		1626	Pixmap
		1627	rxvt_term::get_pixmap_property (Atom property)
		1628	{
		1629	Pixmap pixmap = None;
		1630
		1631	int aformat;
		1632	unsigned long nitems, bytes_after;
		1633	Atom atype;
		1634	unsigned char *prop;
		1635	int result = XGetWindowProperty (dpy, display->root, property,
		1636	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1637	&nitems, &bytes_after, &prop);
		1638	if (result == Success)
		1639	{
		1640	if (atype == XA_PIXMAP)
		1641	pixmap = *(Pixmap *)prop;
		1642	XFree (prop);
		1643	}
		1644
		1645	return pixmap;
		1646	}
		1647
		1648	#ifdef HAVE_BG_PIXMAP
		1649
		1650	void
		1651	rxvt_term::update_background ()
		1652	{
		1653	if (update_background_ev.is_active ())
		1654	return;
		1655
		1656	bg_invalidate ();
		1657
		1658	if (!mapped)
		1659	return;
		1660
		1661	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1662
		1663	if (to_wait <= 0.)
		1664	bg_render ();
		1665	else
		1666	update_background_ev.start (to_wait);
		1667	}
		1668
		1669	void
		1670	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1671	{
		1672	make_current ();
		1673
		1674	update_background_ev.stop ();
		1675	bg_render ();
		1676	refresh_check ();
		1677	}
		1678
		1679	#endif /* HAVE_BG_PIXMAP */
1340		1680
1341	/*----------------------- end-of-file (C source) -----------------------*/	1681	/*----------------------- end-of-file (C source) -----------------------*/

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