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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.9 by pcg, Tue Dec 2 21:49:46 2003 UTC vs.
Revision 1.364 by sf-exg, Mon Jan 9 15:30:17 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.9 2003/12/02 21:49:46 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 <cassert>
37	#include <signal.h>	42	#include <csignal>
		43	#include <cstring>
38		44
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
45	#endif	53	# endif
		54	#endif
46		55
		56	struct termios rxvt_term::def_tio;
		57	vector<rxvt_term *> rxvt_term::termlist;
		58
		59	// used to tell global functions which terminal instance is "active"
		60	rxvt_t rxvt_current_term;
		61
		62	static char curlocale[128], savelocale[128];
		63
		64	bool
		65	rxvt_set_locale (const char *locale) NOTHROW
		66	{
		67	int size = strlen (locale) + 1;
		68
		69	if (size > sizeof (curlocale))
		70	rxvt_fatal ("locale string too long, aborting.\n");
		71
		72	if (!locale || !memcmp (locale, curlocale, size))
		73	return false;
		74
		75	memcpy (curlocale, locale, size);
		76	setlocale (LC_CTYPE, curlocale);
		77	return true;
		78	}
		79
47	void *	80	void
48	rxvt_term::operator new (size_t s)	81	rxvt_push_locale (const char *locale) NOTHROW
49	{	82	{
50	void *p = malloc (s);	83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
51		86
52	MEMSET (p, 0, s);	87	void
		88	rxvt_pop_locale () NOTHROW
		89	{
		90	rxvt_set_locale (savelocale);
		91	}
		92
		93	#if ENABLE_COMBINING
		94	class rxvt_composite_vec rxvt_composite;
		95
		96	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		97	{
		98	compose_char *cc;
		99
		100	// break compose chains, as stupid readline really likes to duplicate
		101	// composing characters for some reason, near the end of a line.
		102	cc = (*this)[c1];
		103	while (cc)
		104	{
		105	if (cc->c2 == c2) return c1;
		106	cc = (*this)[cc->c1];
		107	}
		108
		109	// check to see whether this combination already exists otherwise
		110	for (cc = v.begin (); cc < v.end (); cc++)
		111	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
53	return p;	150	return len;
54	}
55		151
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	152	}
		153	#endif
61		154
62	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
64	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	181	#endif
67	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	184	#endif
70	x_ev (this, &rxvt_term::x_cb),	185	#ifndef NO_BELL
71	destroy_ev (this, &rxvt_term::destroy_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72	check_ev (this, &rxvt_term::check_cb)	187	#endif
73	{	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
74	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
75	}	214	}
76		215
77	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
78	{	217	{
79	rxvt_scr_release (this);	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
80		219
81	#ifndef NO_SETOWNER_TTYDEV	220	emergency_cleanup ();
82	rxvt_privileged_ttydev (this, RESTORE);	221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
83	#endif	226	#endif
84	#ifdef UTMP_SUPPORT	227	delete fontset[0];
85	rxvt_privileged_utmp (this, RESTORE);	228
		229	#ifdef HAVE_BG_PIXMAP
		230	bg_destroy ();
86	#endif	231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236	selection_clear (true);
		237
87	#ifdef USE_XIM	238	#ifdef USE_XIM
88	if (Input_Context != NULL)	239	im_destroy ();
		240	#endif
		241	scrollBar.destroy ();
		242	if (gc) XFreeGC (dpy, gc);
		243
		244	delete drawable;
		245	// destroy all windows
		246	if (parent)
		247	XDestroyWindow (dpy, parent);
		248
		249	for (int i = 0; i < TOTAL_COLORS; i++)
		250	if (ISSET_PIXCOLOR (i))
		251	{
		252	pix_colors_focused [i].free (this);
		253	#if OFF_FOCUS_FADING
		254	pix_colors_unfocused [i].free (this);
		255	#endif
		256	}
		257
		258	clear ();
		259
		260	display->flush (); /* ideally .put should do this */
		261	displays.put (display);
89	{	262	}
90	XDestroyIC (Input_Context);
91	Input_Context = NULL;
92	}
93	#endif
94		263
95	if (cmd_fd >= 0)	264	scr_release ();
96	close (cmd_fd);
97		265
98	if (Xfd >= 0)	266	/* clear all resources */
99	XCloseDisplay (Xdisplay);	267	for (int i = 0; i < allocated.size (); i++)
		268	free (allocated [i]);
100		269
101	delete PixColors;	270	free (selection.text);
		271	free (selection.clip_text);
		272	free (locale);
		273	free (v_buffer);
		274
		275	delete selection_req;
		276
		277	delete envv;
		278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
		287
		288	// child has exited, usually destroys
		289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		293
		294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
102	}	298	}
103		299
104	void	300	void
105	rxvt_term::destroy ()	301	rxvt_term::destroy ()
106	{	302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
		311
		312	if (display)
		313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		319	rootwin_ev.stop (display);
		320	#endif
		321	termwin_ev.stop (display);
		322	vt_ev.stop (display);
		323	}
		324
107	check_ev.stop ();	325	flush_ev.stop ();
108	pty_ev.stop ();	326	pty_ev.stop ();
109	x_ev.stop ();
110	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
		328	cursor_blink_ev.stop ();
		329	#endif
		330	#ifdef TEXT_BLINK
111	blink_ev.stop ();	331	text_blink_ev.stop ();
		332	#endif
		333	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		334	cont_scroll_ev.stop ();
		335	#endif
		336	#ifdef SELECTION_SCROLLING
		337	sel_scroll_ev.stop ();
112	#endif	338	#endif
113	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
114	pointer_ev.stop ();	340	pointer_ev.stop ();
115	#endif	341	#endif
116		342
117	destroy_ev.start (0);	343	destroy_ev.start ();
118	}	344	}
119		345
120	void	346	void
121	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (ev::idle &w, int revents)
122	{	348	{
123	SET_R (this);	349	make_current ();
124		350
125	delete this;	351	delete this;
126	}	352	}
127		353
128	/*----------------------------------------------------------------------*/	354	void
129	/* rxvt_init() */	355	rxvt_term::set_option (uint8_t opt, bool set)
130	/* LIBPROTO */
131	rxvt_t
132	rxvt_init (int argc, const char *const *argv)
133	{	356	{
134	SET_R (new rxvt_term);	357	if (!opt)
135	dR;
136
137	if (!R->init_vars () || !R->init (argc, argv))
138	{
139	delete R;
140	return NULL;
141	}
142
143	return R;	358	return;
144	}
145		359
146	/* EXTPROTO */	360	uint8_t mask = 1 << (opt & 7);
147	void	361	uint8_t &val = options [opt >> 3];
148	rxvt_init_signals ()
149	{
150	/* install exit handler for cleanup */
151	#if 0
152	#ifdef HAVE_ATEXIT
153	atexit(rxvt_clean_exit);
154	#else
155	#endif
156	#endif
157		362
158	struct sigaction sa;	363	val = val & ~mask | (set ? mask : 0);
159
160	sigfillset (&sa.sa_mask);
161	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	check_ev.start ();
243
244	return true;
245	}
246
247	/* ------------------------------------------------------------------------- *
248	* SIGNAL HANDLING & EXIT HANDLER *
249	* ------------------------------------------------------------------------- */
250	/*
251	* Catch a SIGCHLD signal and exit if the direct child has died
252	*/
253	/* ARGSUSED */
254	/* EXTPROTO */
255	RETSIGTYPE
256	rxvt_Child_signal(int sig __attribute__ ((unused)))
257	{
258	int pid, save_errno = errno;
259	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260	;
261	errno = save_errno;
262
263	#if 0
264	if (pid == R->cmd_pid)
265	exit (EXIT_SUCCESS);
266	#endif
267	}
268
269	/*
270	* Catch a fatal signal and tidy up before quitting
271	*/
272	/* EXTPROTO */
273	RETSIGTYPE
274	rxvt_Exit_signal(int sig)
275	{
276	signal(sig, SIG_DFL);
277	#ifdef DEBUG_CMD
278	rxvt_print_error("signal %d", sig);
279	#endif
280	rxvt_clean_exit();
281	kill(getpid(), sig);
282	}
283
284	/* ARGSUSED */
285	/* INTPROTO */
286	int
287	rxvt_xerror_handler(const Display * display
288	__attribute__ ((unused)), const XErrorEvent * event)
289	{
290	dR;
291
292	if (R->allowedxerror == -1)
293	R->allowedxerror = event->error_code;
294	else
295	{
296	rxvt_print_error("XError: Request: %d . %d, Error: %d",
297	event->request_code, event->minor_code,
298	event->error_code);
299
300	R->destroy ();
301	}
302
303	return 0;
304	}	364	}
305		365
306	/*----------------------------------------------------------------------*/	366	/*----------------------------------------------------------------------*/
307	/*	367	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes	368	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* TODO: if debugging, this should free up any known resources if we can	369	* TODO: if debugging, this should free up any known resources if we can
310	*/	370	*/
311	/* EXTPROTO */	371	static XErrorHandler old_xerror_handler;
312	void
313	rxvt_clean_exit ()
314	{
315	dR;
316		372
317	R->destroy ();	373	static void
318	}	374	rxvt_emergency_cleanup ()
319
320	/* ------------------------------------------------------------------------- *
321	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */
323	/* EXTPROTO */
324	void *
325	rxvt_malloc(size_t size)
326	{	375	{
327	void *p;	376	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		377	(*t)->emergency_cleanup ();
		378	}
328		379
329	p = malloc(size);	380	#if !ENABLE_MINIMAL
330	if (p)	381	static void
331	return p;	382	print_x_error (Display *dpy, XErrorEvent *event)
		383	{
		384	char buffer[BUFSIZ];
		385	char mesg[BUFSIZ];
		386	char number[32];
		387	const char mtype[] = "XlibMessage";
		388	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		389	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		390	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		391	rxvt_warn ("%s: %s\n", mesg, buffer);
		392	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		394	sprintf(number, "%d", event->request_code);
		395	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		396	rxvt_warn ("(which is %s)\n", buffer);
		397	if (event->request_code >= 128) {
		398	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		399	mesg, BUFSIZ);
		400	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		401	}
		402	if ((event->error_code == BadWindow) ||
		403	(event->error_code == BadPixmap) ||
		404	(event->error_code == BadCursor) ||
		405	(event->error_code == BadFont) ||
		406	(event->error_code == BadDrawable) ||
		407	(event->error_code == BadColor) ||
		408	(event->error_code == BadGC) ||
		409	(event->error_code == BadIDChoice) ||
		410	(event->error_code == BadValue) ||
		411	(event->error_code == BadAtom)) {
		412	if (event->error_code == BadValue)
		413	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		414	mesg, BUFSIZ);
		415	else if (event->error_code == BadAtom)
		416	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		417	mesg, BUFSIZ);
		418	else
		419	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		422	}
		423	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		424	mesg, BUFSIZ);
		425	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		426	}
		427	#endif
332		428
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	429	int
334	rxvt_clean_exit();	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		431	{
		432	if (GET_R->allowedxerror == -1)
		433	GET_R->allowedxerror = event->error_code;
		434	else
		435	{
		436	// GET_R is most likely not the terminal which caused the error,
		437	// so just output the error and continue
		438	#if ENABLE_MINIMAL
		439	old_xerror_handler (display, event);
		440	#else
		441	print_x_error (display, event);
		442	#endif
		443	}
		444
		445	return 0;
		446	}
		447
		448	int
		449	rxvt_xioerror_handler (Display *display)
		450	{
		451	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		452	DisplayString (display));
		453	rxvt_emergency_cleanup ();
335	exit(EXIT_FAILURE);	454	_exit (EXIT_FAILURE);
336	/* NOTREACHED */
337	}	455	}
338		456
339	/* EXTPROTO */	457	static struct sig_handlers
340	void *
341	rxvt_calloc(size_t number, size_t size)
342	{	458	{
343	void *p;	459	ev::sig sw_term, sw_int;
344		460
345	p = calloc(number, size);	461	/*
346	if (p)	462	* Catch a fatal signal and tidy up before quitting
347	return p;	463	*/
		464	void sig_term (ev::sig &w, int revents);
348		465
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	466	sig_handlers ()
350	rxvt_clean_exit();	467	{
351	exit(EXIT_FAILURE);	468	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
352	/* NOTREACHED */	469	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
353	}	470	}
		471	} sig_handlers;
354		472
355	/* EXTPROTO */
356	void *
357	rxvt_realloc(void *ptr, size_t size)
358	{
359	void *p;
360
361	if (ptr)
362	p = realloc(ptr, size);
363	else
364	p = malloc(size);
365	if (p)
366	return p;
367
368	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369	rxvt_clean_exit();
370	exit(EXIT_FAILURE);
371	/* NOTREACHED */
372	}
373
374	/* ------------------------------------------------------------------------- *
375	* PRIVILEGED OPERATIONS *
376	* ------------------------------------------------------------------------- */
377	/* take care of suid/sgid super-user (root) privileges */
378	/* INTPROTO */
379	void	473	void
380	rxvt_privileges(pR_ int mode)	474	sig_handlers::sig_term (ev::sig &w, int revents)
381	{	475	{
382	#if ! defined(__CYGWIN32__)	476	rxvt_emergency_cleanup ();
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	477	w.stop ();
384	/* setreuid() is the poor man's setuid(), seteuid() */	478	kill (getpid (), w.signum);
385	# define seteuid(a) setreuid(-1, (a))	479	}
386	# define setegid(a) setregid(-1, (a))	480
387	# define HAVE_SETEUID	481	static void
		482	rxvt_get_ttymode (struct termios *tio)
		483	{
		484	if (tcgetattr (STDIN_FILENO, tio) < 0)
		485	memset (tio, 0, sizeof (struct termios));
		486
		487	for (int i = 0; i < NCCS; i++)
		488	tio->c_cc[i] = VDISABLE;
		489
		490	tio->c_cc[VINTR] = CINTR;
		491	tio->c_cc[VQUIT] = CQUIT;
		492	tio->c_cc[VERASE] = CERASE;
		493	#ifdef VERASE2
		494	tio->c_cc[VERASE2] = CERASE2;
		495	#endif
		496	tio->c_cc[VKILL] = CKILL;
		497	tio->c_cc[VEOF] = CEOF;
		498	tio->c_cc[VSTART] = CSTART;
		499	tio->c_cc[VSTOP] = CSTOP;
		500	tio->c_cc[VSUSP] = CSUSP;
		501	# ifdef VDSUSP
		502	tio->c_cc[VDSUSP] = CDSUSP;
388	# endif	503	# endif
389	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
390	switch (mode) {	505	tio->c_cc[VREPRINT] = CRPRNT;
391	case IGNORE:
392	/*
393	* change effective uid/gid - not real uid/gid - so we can switch
394	* back to root later, as required
395	*/
396	seteuid(getuid());
397	setegid(getgid());
398	break;
399	case SAVE:
400	R->euid = geteuid();
401	R->egid = getegid();
402	break;
403	case RESTORE:
404	seteuid(R->euid);
405	setegid(R->egid);
406	break;
407	}
408	# else
409	switch (mode) {
410	case IGNORE:
411	setuid(getuid());
412	setgid(getgid());
413	/* FALLTHROUGH */
414	case SAVE:
415	/* FALLTHROUGH */
416	case RESTORE:
417	break;
418	}
419	# endif	506	# endif
420	#endif	507	# ifdef VDISCRD
421	}	508	tio->c_cc[VDISCRD] = CFLUSH;
422
423	#ifdef UTMP_SUPPORT
424	/* EXTPROTO */
425	void
426	rxvt_privileged_utmp(pR_ char action)
427	{
428	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
429	action, R->next_utmp_action, getpid()));
430	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431	|| (R->Options & Opt_utmpInhibit)
432	|| R->ttydev == NULL || *R->ttydev == '\0')
433	return;
434
435	rxvt_privileges(aR_ RESTORE);
436	if (action == SAVE) {
437	R->next_utmp_action = RESTORE;
438	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
439	} else { /* action == RESTORE */
440	R->next_utmp_action = IGNORE;
441	rxvt_cleanutent(aR);
442	}
443	rxvt_privileges(aR_ IGNORE);
444	}
445	#endif
446
447	#ifndef NO_SETOWNER_TTYDEV
448	/* EXTPROTO */
449	void
450	rxvt_privileged_ttydev(pR_ char action)
451	{
452	D_MAIN((stderr,
453	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
454	action, R->next_tty_action, getpid()));
455	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456	|| R->ttydev == NULL || *R->ttydev == '\0')
457	return;
458
459	rxvt_privileges(aR_ RESTORE);
460
461	if (action == SAVE) {
462	R->next_tty_action = RESTORE;
463	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
464	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466	R->next_tty_action = IGNORE;
467	else
468	# endif	509	# endif
469	{	510	# ifdef VWERSE
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	511	tio->c_cc[VWERSE] = CWERASE;
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif	512	# endif
475	}	513	# ifdef VLNEXT
476	} else { /* action == RESTORE */	514	tio->c_cc[VLNEXT] = CLNEXT;
477	R->next_tty_action = IGNORE;
478	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479	chmod(R->ttydev, R->ttyfd_stat.st_mode);
480	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481	# else
482	chmod(R->ttydev,
483	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484	chown(R->ttydev, 0, 0);
485	# endif	515	# endif
486	}	516	# ifdef VSTATUS
487		517	tio->c_cc[VSTATUS] = CSTATUS;
488	rxvt_privileges(aR_ IGNORE);
489
490	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
491	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492	action == RESTORE ? "Restoring" : (action ==
493	SAVE ? "Saving" :
494	"UNKNOWN ERROR for"), R->ttydev,
495	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496	R->ttyfd_stat.st_gid));
497	# endif	518	# endif
498	}	519
		520	# if VMIN != VEOF
		521	tio->c_cc[VMIN] = 1;
499	#endif	522	# endif
		523	# if VTIME != VEOL
		524	tio->c_cc[VTIME] = 0;
		525	# endif
		526
		527	/* input modes */
		528	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		529	# ifdef IMAXBEL
		530	| IMAXBEL
		531	# endif
		532	| IXON);
		533
		534	/* output modes */
		535	tio->c_oflag = (OPOST | ONLCR);
		536
		537	/* control modes */
		538	tio->c_cflag = (CS8 | CREAD);
		539
		540	/* local modes */
		541	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		542	# if defined (ECHOCTL) && defined (ECHOKE)
		543	| ECHOCTL | ECHOKE
		544	# endif
		545	| ECHOE | ECHOK);
		546	}
		547
		548	char **rxvt_environ; // startup environment
		549
		550	void
		551	rxvt_init ()
		552	{
		553	assert (("fontMask must not overlap other RS masks",
		554	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		555
		556	rxvt_get_ttymode (&rxvt_term::def_tio);
		557
		558	// get rid of stdin/stdout as we don't need them, to free resources
		559	dup2 (STDERR_FILENO, STDIN_FILENO);
		560	dup2 (STDERR_FILENO, STDOUT_FILENO);
		561
		562	if (!ev_default_loop ())
		563	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		564
		565	rxvt_environ = environ;
		566
		567	signal (SIGHUP, SIG_IGN);
		568	signal (SIGPIPE, SIG_IGN);
		569
		570	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		571	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		572
		573	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		574	// TODO: handle this with exceptions and tolerate the memory loss
		575	XSetIOErrorHandler (rxvt_xioerror_handler);
		576
		577	XrmInitialize ();
		578	}
500		579
501	/*----------------------------------------------------------------------*/	580	/*----------------------------------------------------------------------*/
502	/*	581	/*
503	* window size/position calculcations for XSizeHint and other storage.	582	* window size/position calculations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	583	* if width/height are non-zero then override calculated width/height
505	*/	584	*/
506	/* EXTPROTO */
507	void	585	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	586	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	587	{
510	short recalc_x, recalc_y;	588	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	589	int x, y, flags;
512	unsigned int w, h;	590	unsigned int w, h;
513	unsigned int max_width, max_height;	591	unsigned int max_width, max_height;
514		592
515	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
516	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
517	R->szHint.height));
518	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	593	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	594	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	595	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		596
522	recalc_x = recalc_y = 0;	597	recalc_x = recalc_y = 0;
523	flags = 0;	598	flags = 0;
		599
524	if (!R->parsed_geometry) {	600	if (!parsed_geometry)
		601	{
525	R->parsed_geometry = 1;	602	parsed_geometry = 1;
		603
526	if (R->rs[Rs_geometry])	604	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	605	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		606
528	if (flags & WidthValue) {	607	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	608	{
		609	if (!w)
		610	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		611
		612	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	613	szHint.flags |= USSize;
531	}	614	}
		615
532	if (flags & HeightValue) {	616	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	617	{
		618	if (!h)
		619	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		620
		621	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	622	szHint.flags |= USSize;
535	}	623	}
		624
536	if (flags & XValue) {	625	if (flags & XValue)
		626	{
537	R->szHint.x = x;	627	szHint.x = x;
538	R->szHint.flags |= USPosition;	628	szHint.flags |= USPosition;
		629
539	if (flags & XNegative) {	630	if (flags & XNegative)
		631	{
540	recalc_x = 1;	632	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	633	szHint.win_gravity = NorthEastGravity;
542	}	634	}
543	}	635	}
		636
544	if (flags & YValue) {	637	if (flags & YValue)
		638	{
545	R->szHint.y = y;	639	szHint.y = y;
546	R->szHint.flags |= USPosition;	640	szHint.flags |= USPosition;
		641
547	if (flags & YNegative) {	642	if (flags & YNegative)
		643	{
548	recalc_y = 1;	644	recalc_y = 1;
		645
549	if (R->szHint.win_gravity == NorthEastGravity)	646	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	647	szHint.win_gravity = SouthEastGravity;
551	else	648	else
552	R->szHint.win_gravity = SouthWestGravity;	649	szHint.win_gravity = SouthWestGravity;
553	}	650	}
554	}	651	}
555	}	652	}
		653
556	/* TODO: BOUNDS */	654	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	655	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	656	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	657	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	658	max_height = MAX_ROWS * fheight;
561		659
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	660	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		661
564	sb_w = mb_h = 0;
565	R->window_vt_x = R->window_vt_y = 0;	662	window_vt_x = window_vt_y = int_bwidth;
566	if (scrollbar_visible(R)) {	663
		664	if (scrollBar.state)
		665	{
567	sb_w = scrollbar_TotalWidth();	666	int sb_w = scrollBar.total_width ();
568	R->szHint.base_width += sb_w;	667	szHint.base_width += sb_w;
		668
569	if (!(R->Options & Opt_scrollBar_right))	669	if (!option (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	670	window_vt_x += sb_w;
571	}	671	}
572	if (menubar_visible(R)) {	672
573	mb_h = menuBar_TotalHeight();
574	R->szHint.base_height += mb_h;
575	R->window_vt_y = mb_h;
576	}
577	R->szHint.width_inc = R->TermWin.fwidth;	673	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	674	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	675	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	676	szHint.min_height = szHint.base_height + szHint.height_inc;
581		677
582	if (width && width - R->szHint.base_width < max_width) {	678	if (newwidth && newwidth - szHint.base_width < max_width)
		679	{
583	R->szHint.width = width;	680	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	681	width = newwidth - szHint.base_width;
585	} else {	682	}
586	MIN_IT(R->TermWin.width, max_width);	683	else
		684	{
		685	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	686	szHint.width = szHint.base_width + width;
588	}	687	}
		688
589	if (height && height - R->szHint.base_height < max_height) {	689	if (newheight && newheight - szHint.base_height < max_height)
		690	{
590	R->szHint.height = height;	691	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	692	height = newheight - szHint.base_height;
592	} else {	693	}
593	MIN_IT(R->TermWin.height, max_height);	694	else
		695	{
		696	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	697	szHint.height = szHint.base_height + height;
595	}	698	}
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;
598		699
599	if (recalc_x)	700	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	701	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	702
602	if (recalc_y)	703	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	704	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		705
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	706	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	707	nrow = height / fheight;
608	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	708
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	709	// When the size of the vt window is not a multiple of the cell
610	R->szHint.height));	710	// size, i.e., when the wm does not honour our size hints, there are
611	return;	711	// extra areas not covered by the terminal screen. Such gaps, when a
		712	// bg pixmap is set, would have to be cleared manually to properly
		713	// refresh the background. We take the simpler route and shrink the
		714	// vt window so as to avoid creating gaps.
		715	width = ncol * fwidth;
		716	height = nrow * fheight;
612	}	717	}
613		718
614	/*----------------------------------------------------------------------*/	719	/*----------------------------------------------------------------------*/
615	/*	720	/*
616	* Tell the teletype handler what size the window is.	721	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	722	* Called after a window size change.
618	*/	723	*/
619	void	724	void
620	rxvt_term::tt_winch ()	725	rxvt_term::tt_winch ()
621	{	726	{
622	struct winsize ws;	727	if (pty->pty < 0)
623
624	if (cmd_fd < 0)
625	return;	728	return;
626		729
		730	struct winsize ws;
		731
627	ws.ws_col = TermWin.ncol;	732	ws.ws_col = ncol;
628	ws.ws_row = TermWin.nrow;	733	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	734	ws.ws_xpixel = width;
630	#ifndef DEBUG_SIZE	735	ws.ws_ypixel = height;
631	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	736	ioctl (pty->pty, TIOCSWINSZ, &ws);
		737
		738	#if 0
		739	// TIOCSWINSZ is supposed to do this automatically and correctly
		740	if (cmd_pid) /* force through to the command */
		741	kill (-cmd_pid, SIGWINCH);
		742	#endif
		743	}
		744
		745	/*----------------------------------------------------------------------*/
		746	/* load and set the various fonts */
		747	bool
		748	rxvt_term::set_fonts ()
		749	{
		750	rxvt_fontset *fs = new rxvt_fontset (this);
		751	rxvt_fontprop prop;
		752
		753	if (!fs
		754	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		755	|| !fs->realize_font (1))
		756	{
		757	delete fs;
		758	return false;
		759	}
		760
		761	#if ENABLE_STYLES
		762	for (int i = RS_styleCount; --i; )
		763	if (fontset[i] != fontset[0])
		764	delete fontset[i];
		765	#endif
		766
		767	delete fontset[0];
		768	fontset[0] = fs;
		769
		770	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		771	prop.height += lineSpace;
		772	prop.width += letterSpace;
		773
		774	fs->set_prop (prop, false);
		775
		776	fwidth = prop.width;
		777	fheight = prop.height;
		778	fbase = prop.ascent;
		779
		780	for (int style = 1; style < 4; style++)
		781	{
		782	#if ENABLE_STYLES
		783	const char *res = rs[Rs_font + style];
		784
		785	if (res && !*res)
		786	fontset[style] = fontset[0];
		787	else
		788	{
		789	fontset[style] = fs = new rxvt_fontset (this);
		790	rxvt_fontprop prop2 = prop;
		791
		792	if (res)
		793	{
		794	fs->populate (res);
		795	fs->set_prop (prop2, false);
		796	}
		797	else
		798	{
		799	fs->populate (fontset[0]->fontdesc);
		800
		801	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		802	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		803
		804	fs->set_prop (prop2, true);
		805	}
		806
		807	}
632	#else	808	#else
633	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	809	fontset[style] = fontset[0];
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
635	# ifdef SIGWINCH
636	else if (cmd_pid) /* force through to the command */
637	kill (cmd_pid, SIGWINCH);
638	# endif	810	#endif
639	#endif	811	}
640	}
641		812
642	/*----------------------------------------------------------------------*/	813	if (parent)
643	/* rxvt_change_font() - Switch to a new font */	814	{
644	/*	815	resize_all_windows (0, 0, 0);
645	* init = 1 - initialize	816	scr_remap_chars ();
646	*	817	scr_touch (true);
647	* fontname == FONT_UP - switch to bigger font	818	}
648	* fontname == FONT_DN - switch to smaller font
649	*/
650	/* EXTPROTO */
651	void
652	rxvt_change_font(pR_ int init, const char *fontname)
653	{
654	}
655		819
656	/* INTPROTO */	820	return true;
		821	}
		822
657	void	823	void
658	rxvt_font_up_down(pR_ int n, int direction)	824	rxvt_term::set_string_property (Atom prop, const char *str, int len)
659	{	825	{
		826	XChangeProperty (dpy, parent,
		827	prop, XA_STRING, 8, PropModeReplace,
		828	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		829	}
		830
		831	void
		832	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		833	{
		834	XTextProperty ct;
		835
		836	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		837	{
		838	XSetTextProperty (dpy, parent, &ct, prop);
		839	XFree (ct.value);
		840	}
		841	}
		842
		843	void
		844	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		845	{
		846	wchar_t *ws = rxvt_mbstowcs (str, len);
		847	char *s = rxvt_wcstoutf8 (ws);
		848
		849	XChangeProperty (dpy, parent,
		850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		851	(const unsigned char *)s, strlen (s));
		852
		853	free (s);
		854	free (ws);
660	}	855	}
661		856
662	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
663	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
664	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
665	/* EXTPROTO */
666	void	860	void
667	rxvt_set_title(pR_ const char *str)	861	rxvt_term::set_title (const char *str)
668	{	862	{
669	#ifndef SMART_WINDOW_TITLE	863	set_mbstring_property (XA_WM_NAME, str);
670	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	864	#if ENABLE_EWMH
671	#else	865	set_utf8_property (xa[XA_NET_WM_NAME], str);
672	char *name;
673
674	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
675	name = NULL;
676	if (name == NULL || STRCMP(name, str))
677	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
678	if (name)
679	XFree(name);
680	#endif	866	#endif
681	}	867	}
682		868
683	/* EXTPROTO */
684	void	869	void
685	rxvt_set_iconName(pR_ const char *str)	870	rxvt_term::set_icon_name (const char *str)
686	{	871	{
687	#ifndef SMART_WINDOW_TITLE	872	set_mbstring_property (XA_WM_ICON_NAME, str);
688	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	873	#if ENABLE_EWMH
689	#else	874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
690	char *name;
691
692	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
693	name = NULL;
694	if (name == NULL || STRCMP(name, str))
695	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
696	if (name)
697	XFree(name);
698	#endif	875	#endif
699	}	876	}
700		877
		878	void
		879	rxvt_term::set_window_color (int idx, const char *color)
		880	{
701	#ifdef XTERM_COLOR_CHANGE	881	#ifdef XTERM_COLOR_CHANGE
702	/* EXTPROTO */
703	void
704	rxvt_set_window_color(pR_ int idx, const char *color)
705	{
706	rxvt_color xcol;	882	rxvt_color xcol;
707	int i;
708		883
709	if (color == NULL || *color == '\0')	884	if (color == NULL || *color == '\0')
710	return;	885	return;
711		886
		887	color = strdup (color);
		888	allocated.push_back ((void *)color);
		889	rs[Rs_color + idx] = color;
		890
712	/* handle color aliases */	891	/* handle color aliases */
713	if (isdigit(*color)) {	892	if (isdigit (*color))
		893	{
714	i = atoi(color);	894	int i = atoi (color);
715	if (i >= 8 && i <= 15) { /* bright colors */	895
716	i -= 8;	896	if (i >= 8 && i <= 15)
717	# ifndef NO_BRIGHTCOLOR	897	{
718	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	898	/* bright colors */
719	SET_PIXCOLOR(R, idx);	899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
720	goto Done;	900	goto done;
721	# endif
722	}	901	}
723	if (i >= 0 && i <= 7) { /* normal colors */	902
724	R->PixColors[idx] = R->PixColors[minCOLOR + i];	903	if (i >= 0 && i <= 7)
725	SET_PIXCOLOR(R, idx);	904	{
		905	/* normal colors */
		906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
726	goto Done;	907	goto done;
727	}	908	}
728	}	909	}
729	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
730	return;
731	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
732		910
733	/*	911	set_color (xcol, color);
		912
		913	/*
734	* FIXME: should free colors here, but no idea how to do it so instead,	914	* FIXME: should free colors here, but no idea how to do it so instead,
735	* so just keep gobbling up the colormap	915	* so just keep gobbling up the colormap
736	*/	916	*/
737	# if 0
738	for (i = Color_Black; i <= Color_White; i++)
739	if (R->PixColors[idx] == R->PixColors[i])
740	break;
741	if (i > Color_White) {
742	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
743	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
744	DisplayPlanes(R->Xdisplay, Xscreen));
745	}
746	# endif
747		917
748	R->PixColors[idx] = xcol;	918	pix_colors_focused[idx] = xcol;
749	SET_PIXCOLOR(R, idx);
750		919
751	/* XSetWindowAttributes attr; */	920	done:
752	/* Cursor cursor; */
753	Done:
754	if (idx == Color_bg && !(R->Options & Opt_transparent))
755	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
756	R->PixColors[Color_bg]);
757
758	/* handle Color_BD, scrollbar background, etc. */	921	/*TODO: handle Color_BD, scrollbar background, etc. */
759		922
760	rxvt_set_colorfgbg(aR);	923	update_fade_color (idx);
761	rxvt_recolour_cursor(aR);	924	recolour_cursor ();
762	/* the only reasonable way to enforce a clean update */	925	scr_recolour ();
763	rxvt_scr_poweron(aR);	926	#endif /* XTERM_COLOR_CHANGE */
764	}	927	}
765		928
766	#else
767	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
768	#endif /* XTERM_COLOR_CHANGE */
769
770	/* EXTPROTO */
771	void	929	void
772	rxvt_recolour_cursor(pR)	930	rxvt_term::recolour_cursor ()
773	{	931	{
774	rxvt_color xcol[2];	932	XColor fg, bg;
775		933
776	#if TODO	934	(ISSET_PIXCOLOR (Color_pointer_fg)
777	xcol[0] = R->PixColors[Color_pointer];	935	? pix_colors_focused[Color_pointer_fg]
778	xcol[1] = R->PixColors[Color_bg];	936	: pix_colors_focused[Color_fg]).get (fg);
779	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	937
780	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	938	(ISSET_PIXCOLOR (Color_pointer_bg)
781	#endif	939	? pix_colors_focused[Color_pointer_bg]
		940	: pix_colors_focused[Color_bg]).get (bg);
		941
		942	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
782	}	943	}
783		944
784	/*----------------------------------------------------------------------*/	945	/*----------------------------------------------------------------------*/
785	/*	946	/*
786	* find if fg/bg matches any of the normal (low-intensity) colors	947	* find if fg/bg matches any of the normal (low-intensity) colors
787	*/	948	*/
788	/* INTPROTO */
789	void	949	void
790	rxvt_set_colorfgbg(pR)	950	rxvt_term::set_colorfgbg ()
791	{	951	{
792	unsigned int i;	952	unsigned int i;
793	const char *xpmb = "\0";	953	const char *xpmb = "";
794	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	954	char fstr[] = "default";
		955	char bstr[] = "default";
795		956
796	R->env_colorfgbg =
797	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
798	STRCPY(fstr, "default");
799	STRCPY(bstr, "default");
800	for (i = Color_Black; i <= Color_White; i++)	957	for (i = Color_Black; i <= Color_White; i++)
801	if (R->PixColors[Color_fg] == R->PixColors[i]) {	958	if (pix_colors[Color_fg] == pix_colors[i])
		959	{
802	sprintf(fstr, "%d", (i - Color_Black));	960	sprintf (fstr, "%d", i - Color_Black);
803	break;	961	break;
804	}	962	}
		963
805	for (i = Color_Black; i <= Color_White; i++)	964	for (i = Color_Black; i <= Color_White; i++)
806	if (R->PixColors[Color_bg] == R->PixColors[i]) {	965	if (pix_colors[Color_bg] == pix_colors[i])
		966	{
807	sprintf(bstr, "%d", (i - Color_Black));	967	sprintf (bstr, "%d", i - Color_Black);
808	#ifdef XPM_BACKGROUND	968	#ifdef BG_IMAGE_FROM_FILE
809	xpmb = "default;";	969	xpmb = "default;";
810	#endif	970	#endif
811	break;	971	break;
812	}	972	}
		973
813	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	974	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
814	putenv(R->env_colorfgbg);
815
816	#ifndef NO_BRIGHTCOLOR
817	R->colorfgbg = DEFAULT_RSTYLE;
818	for (i = minCOLOR; i <= maxCOLOR; i++) {
819	if (R->PixColors[Color_fg] == R->PixColors[i])
820	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
821	if (R->PixColors[Color_bg] == R->PixColors[i])
822	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
823	}
824	#endif
825	}	975	}
826		976
827	/*----------------------------------------------------------------------*/	977	/*----------------------------------------------------------------------*/
828	/*
829	* Colour determination for low colour displays, routine from
830	* Hans de Goede <hans@highrise.nl>
831	*/
832		978
833	/* EXTPROTO */	979	bool
834	int	980	rxvt_term::set_color (rxvt_color &color, const char *name)
835	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
836	{	981	{
837	screen_in_out->set(aR_ colour);	982	if (color.set (this, name))
838
839	if (!screen_in_out->set(aR_ colour)) {
840	rxvt_print_error("can't allocate colour: %s", colour);
841	return false;
842	}
843
844	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]);
845	}	993	}
846		994
847	/* -------------------------------------------------------------------- *	995	/* -------------------------------------------------------------------- *
848	* - WINDOW RESIZING - *	996	* - WINDOW RESIZING - *
849	* -------------------------------------------------------------------- */	997	* -------------------------------------------------------------------- */
850	/* EXTPROTO */
851	void	998	void
852	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	999	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
853	int ignoreparent)
854	{	1000	{
855	int fix_screen;	1001	int fix_screen;
		1002	int old_width = szHint.width;
		1003	int old_height = szHint.height;
856		1004
		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);
		1013	XSetWMNormalHints (dpy, parent, &szHint);
		1014	szHint.flags |= PBaseSize | PResizeInc;
		1015	}
		1016
		1017	if (!ignoreparent)
		1018	{
857	#ifdef SMART_RESIZE	1019	#ifdef SMART_RESIZE
858	int old_width = R->szHint.width, old_height = R->szHint.height;	1020	/*
859	#endif
860
861	rxvt_window_calc(aR_ width, height);
862	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
863	if (!ignoreparent) {
864	#ifdef SMART_RESIZE
865	/*
866	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1021	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
867	* reposition window on resize depending on placement on screen	1022	* reposition window on resize depending on placement on screen
868	*/	1023	*/
869	int x, y, x1, y1;	1024	int x, y, x1, y1;
870	int dx, dy;	1025	int dx, dy;
871	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1026	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
872	Window unused_cr;	1027	Window unused_cr;
873		1028
874	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1029	XTranslateCoordinates (dpy, parent, display->root,
875	0, 0, &x, &y, &unused_cr);	1030	0, 0, &x, &y, &unused_cr);
876	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1031	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
877	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1032	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
878	/*	1033	/*
879	* 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
880	* our position for handles and decorations. Counter it	1035	* our position for handles and decorations. Counter it
881	*/	1036	*/
882	if (x1 != x || y1 != y) {	1037	if (x1 != x || y1 != y)
		1038	{
883	x -= x1;	1039	x -= x1;
884	y -= y1;	1040	y -= y1;
885	}	1041	}
886		1042
887	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1043	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
888	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1044	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
889	dx = old_width - R->szHint.width;	1045	dx = old_width - szHint.width;
890	dy = old_height - R->szHint.height;	1046	dy = old_height - szHint.height;
891		1047
892	/* Check position of the center of the window */	1048	/* Check position of the center of the window */
893	if (x < x1) /* left half */	1049	if (x < x1) /* left half */
894	dx = 0;	1050	dx = 0;
895	else if (x == x1) /* exact center */	1051	else if (x == x1) /* exact center */
896	dx /= 2;	1052	dx /= 2;
897	if (y < y1) /* top half */	1053	if (y < y1) /* top half */
898	dy = 0;	1054	dy = 0;
899	else if (y == y1) /* exact center */	1055	else if (y == y1) /* exact center */
900	dy /= 2;	1056	dy /= 2;
901		1057
902	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1058	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
903	R->szHint.width, R->szHint.height);	1059	szHint.width, szHint.height);
904	#else	1060	#else
905	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1061	XResizeWindow (dpy, parent, szHint.width, szHint.height);
906	R->szHint.height);
907	#endif	1062	#endif
908	}	1063	}
909		1064
910	fix_screen = (R->TermWin.ncol != R->prev_ncol	1065	if (set_hint)
911	|| R->TermWin.nrow != R->prev_nrow);	1066	XSetWMNormalHints (dpy, parent, &szHint);
		1067
		1068	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1069
912	if (fix_screen || width != R->old_width || height != R->old_height) {	1070	if (fix_screen || newwidth != old_width || newheight != old_height)
913	if (scrollbar_visible(R)) {
914	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
915	0, scrollbar_TotalWidth(), R->szHint.height);
916	rxvt_Resize_scrollBar(aR);
917	}
918	if (menubar_visible(R))
919	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
920	0, TermWin_TotalWidth(), menuBar_TotalHeight());
921	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
922	R->window_vt_y, TermWin_TotalWidth(),
923	TermWin_TotalHeight());
924	#ifdef RXVT_GRAPHICS
925	if (R->old_height)
926	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
927	R->old_height - R->szHint.base_height);
928	#endif
929	rxvt_scr_clear(aR);
930	#ifdef XPM_BACKGROUND
931	rxvt_resize_pixmap(aR);
932	#endif
933	}	1071	{
		1072	if (scrollBar.state)
		1073	scrollBar.resize ();
934		1074
		1075	XMoveResizeWindow (dpy, vt,
		1076	window_vt_x, window_vt_y,
		1077	width, height);
		1078
		1079	#ifdef HAVE_BG_PIXMAP
		1080	if (bg_window_size_sensitive ())
		1081	update_background ();
		1082	#endif
		1083	}
		1084
935	if (fix_screen || R->old_height == 0) {	1085	if (fix_screen || old_height == 0)
936	int curr_screen = -1;	1086	scr_reset ();
937	uint16_t old_ncol = R->prev_ncol;
938
939	/* scr_reset only works on the primary screen */
940	if (R->old_height) /* this is not the first time through */
941	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
942	rxvt_scr_reset(aR);
943	if (curr_screen >= 0) { /* this is not the first time through */
944	rxvt_scr_change_screen(aR_ curr_screen);
945	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
946	}
947	}
948
949	R->old_width = R->szHint.width;
950	R->old_height = R->szHint.height;
951		1087
952	#ifdef USE_XIM	1088	#ifdef USE_XIM
953	rxvt_IMSetStatusPosition(aR);	1089	im_set_position ();
954	#endif	1090	#endif
955	}	1091	}
956		1092
957	/*	1093	/*
958	* 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.
959	* good for toggling 80/132 columns	1095	* good for toggling 80/132 columns
960	*/	1096	*/
961	/* EXTPROTO */
962	void	1097	void
963	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1098	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
964	{	1099	{
965	XWindowAttributes wattr;	1100	XWindowAttributes wattr;
966		1101
967	if (width == 0 || height == 0) {	1102	if (newwidth == 0 || newheight == 0)
		1103	{
968	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1104	XGetWindowAttributes (dpy, display->root, &wattr);
		1105
969	if (width == 0)	1106	if (newwidth == 0)
970	width = wattr.width - R->szHint.base_width;	1107	newwidth = wattr.width - szHint.base_width;
971	if (height == 0)	1108	if (newheight == 0)
972	height = wattr.height - R->szHint.base_height;	1109	newheight = wattr.height - szHint.base_height;
		1110	}
		1111
		1112	if (newwidth != width || newheight != height)
973	}	1113	{
974	if (width != R->TermWin.width || height != R->TermWin.height) {
975	width += R->szHint.base_width;	1114	newwidth += szHint.base_width;
976	height += R->szHint.base_height;	1115	newheight += szHint.base_height;
977	rxvt_resize_all_windows(aR_ width, height, 0);	1116	resize_all_windows (newwidth, newheight, 0);
978	}	1117	}
979	}	1118	}
980		1119
981	/* -------------------------------------------------------------------- *	1120	/* -------------------------------------------------------------------- *
982	* - X INPUT METHOD ROUTINES - *	1121	* - X INPUT METHOD ROUTINES - *
983	* -------------------------------------------------------------------- */	1122	* -------------------------------------------------------------------- */
984	#ifdef USE_XIM	1123	#ifdef USE_XIM
985	/* INTPROTO */
986	void
987	rxvt_setSize(pR_ XRectangle * size)
988	{
989	size->x = R->TermWin.int_bwidth;
990	size->y = R->TermWin.int_bwidth;
991	size->width = Width2Pixel(R->TermWin.ncol);
992	size->height = Height2Pixel(R->TermWin.nrow);
993	}
994		1124
995	/* INTPROTO */
996	void	1125	void
997	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1126	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
998	{	1127	{
999	*fg = R->PixColors[Color_fg];	1128	fg = pix_colors [Color_fg];
1000	*bg = R->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;
1001	}	1156	}
1002		1157
1003	/* Checking whether input method is running. */	1158	/* Checking whether input method is running. */
1004	/* INTPROTO */
1005	Bool	1159	bool
1006	rxvt_IMisRunning(pR)	1160	rxvt_term::im_is_running ()
1007	{	1161	{
1008	char *p;	1162	Atom atom;
1009	Atom atom;	1163	Window win;
1010	Window win;
1011	char server[IMBUFSIZ];	1164	char server[IMBUFSIZ];
1012		1165
1013	/* get current locale modifier */	1166	/* get current locale modifier */
1014	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1167	if (char *p = XSetLocaleModifiers (0))
		1168	{
1015	STRCPY(server, "@server=");	1169	strcpy (server, "@server=");
1016	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1170	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1171
1017	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1172	if (p = strchr (server + 1, '@')) /* first one only */
1018	*p = '\0';	1173	*p = '\0';
1019		1174
1020	atom = XInternAtom(R->Xdisplay, server, False);	1175	atom = XInternAtom (dpy, server, False);
1021	win = XGetSelectionOwner(R->Xdisplay, atom);	1176	win = XGetSelectionOwner (dpy, atom);
		1177
1022	if (win != None)	1178	if (win != None)
1023	return True;	1179	return true;
1024	}	1180	}
		1181
1025	return False;	1182	return false;
1026	}	1183	}
1027		1184
1028	/* EXTPROTO */
1029	void	1185	void
1030	rxvt_IMSendSpot(pR)	1186	rxvt_term::im_send_spot ()
1031	{	1187	{
1032	XPoint spot;	1188	XPoint nspot;
1033	XVaNestedList preedit_attr;	1189	XVaNestedList preedit_attr;
1034		1190
1035	if (R->Input_Context == NULL	1191	if (!Input_Context
1036	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1192	|| !focus
1037	|| !(R->event_type == KeyPress	1193	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1038	|| R->event_type == Expose
1039	|| R->event_type == NoExpose
1040	|| R->event_type == SelectionNotify
1041	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1042	|| !rxvt_IMisRunning(aR))
1043	return;	1194	return;
1044		1195
1045	rxvt_setPosition(aR_ & spot);	1196	im_set_position (nspot);
1046		1197
		1198	if (nspot.x == spot.x && nspot.y == spot.y)
		1199	return;
		1200
		1201	spot = nspot;
		1202
1047	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1203	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1048	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1204	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1049	XFree(preedit_attr);	1205	XFree (preedit_attr);
1050	}	1206	}
1051		1207
1052	/* EXTPROTO */
1053	void	1208	void
1054	rxvt_setTermFontSet(pR_ int idx)	1209	rxvt_term::im_destroy ()
1055	{	1210	{
1056	char *string;	1211	if (input_method)
1057	long length;	1212	{
1058	int success = 0;	1213	if (Input_Context && input_method->xim)
		1214	XDestroyIC (Input_Context);
1059		1215
1060	if (idx < 0 || idx >= MAX_NFONTS)	1216	display->put_xim (input_method);
1061	return;	1217	input_method = 0;
1062	}	1218	}
1063		1219
1064	/* INTPROTO */
1065	void
1066	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1067	XRectangle * needed_rect)
1068	{
1069	int mbh, vtx = 0;
1070
1071	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1072	vtx = scrollbar_TotalWidth();
1073	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1074	mbh -= R->TermWin.lineSpace;
1075
1076	preedit_rect->x = needed_rect->width + vtx;
1077	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1078
1079	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1080	+ vtx;
1081	preedit_rect->height = Height2Pixel(1);
1082
1083	status_rect->x = vtx;
1084	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1085
1086	status_rect->width = needed_rect->width ? needed_rect->width
1087	: Width2Pixel(R->TermWin.ncol + 1);
1088	status_rect->height = Height2Pixel(1);
1089	}
1090
1091	/* ARGSUSED */
1092	/* INTPROTO */
1093	void
1094	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1095	__attribute__ ((unused)), XPointer call_data
1096	__attribute__ ((unused)))
1097	{
1098	dR;
1099
1100	R->Input_Context = NULL;	1220	Input_Context = 0;
1101	/* To avoid Segmentation Fault in C locale: Solaris only? */
1102	if (STRCMP(R->locale, "C"))
1103	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1104	rxvt_IMInstantiateCallback, NULL);
1105	}	1221	}
1106		1222
1107	/*	1223	#ifdef ENABLE_XIM_ONTHESPOT
1108	* X manual pages and include files don't match on some systems:
1109	* some think this is an XIDProc and others an XIMProc so we can't
1110	* use the first argument - need to update this to be nice for
1111	* both types via some sort of configure detection
1112	*/
1113	/* ARGSUSED */
1114	/* EXTPROTO */
1115	void
1116	rxvt_IMInstantiateCallback(Display * unused
1117	__attribute__ ((unused)), XPointer client_data
1118	__attribute__ ((unused)), XPointer call_data
1119	__attribute__ ((unused)))
1120	{
1121	dR;
1122	int i, found, had_im;
1123	const char *p;
1124	char **s;
1125	char buf[IMBUFSIZ];
1126		1224
1127	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1225	static void
1128	if (R->Input_Context)	1226	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1129	return;	1227	{
		1228	((rxvt_term *)client_data)->make_current ();
		1229	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1230	}
1130		1231
1131	found = had_im = 0;	1232	static void
1132	p = R->rs[Rs_inputMethod];	1233	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1133	if (p && *p) {	1234	{
1134	had_im = 1;	1235	((rxvt_term *)client_data)->make_current ();
1135	s = rxvt_splitcommastring(p);	1236	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1136	for (i = 0; s[i]; i++) {	1237	}
1137	if (*s[i]) {	1238
1138	STRCPY(buf, "@im=");	1239	static void
1139	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1240	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1140	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1241	{
1141	&& (rxvt_IM_get_IC(aR) == True)) {	1242	rxvt_term *term = (rxvt_term *)client_data;
1142	found = 1;	1243	XIMText *text = call_data->text;
1143	break;	1244
1144	}	1245	term->make_current ();
1145	}	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);
1146	}	1262	}
1147	for (i = 0; s[i]; i++)	1263	else
1148	free(s[i]);	1264	str = text->string.wide_char;
1149	free(s);
1150	}
1151	if (found)
1152	return;
1153		1265
1154	/* try with XMODIFIERS env. var. */	1266	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1155	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1267	DT_INT, call_data->caret,
1156	rxvt_IM_get_IC(aR);	1268	DT_INT, call_data->chg_first,
1157	return;	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));
1158	}	1273	}
1159		1274	else
1160	/* try with no modifiers base IF the user didn't specify an IM */	1275	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1161	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1276	DT_INT, call_data->caret,
1162	&& rxvt_IM_get_IC(aR) == True)	1277	DT_INT, call_data->chg_first,
1163	return;	1278	DT_INT, call_data->chg_length,
		1279	DT_END));
1164	}	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
1165		1296
1166	/*	1297	/*
1167	* 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
1168	* open a suitable preedit type	1299	* open a suitable preedit type
1169	*/	1300	*/
1170	/* INTPROTO */
1171	Bool	1301	bool
1172	rxvt_IM_get_IC(pR)	1302	rxvt_term::im_get_ic (const char *modifiers)
1173	{	1303	{
1174	int i, j, found;	1304	int i, j, found;
1175	XIM xim;	1305	XIM xim;
1176	XPoint spot;	1306	XPoint spot;
1177	XRectangle rect, status_rect, needed_rect;	1307	XRectangle rect, status_rect, needed_rect;
1178	unsigned long fg, bg;	1308	unsigned long fg, bg;
1179	const char *p;	1309	const char *p;
1180	char **s;	1310	char **s;
1181	XIMStyles *xim_styles;	1311	XIMStyles *xim_styles;
1182	XVaNestedList preedit_attr, status_attr;
1183	XIMCallback ximcallback;
1184		1312
1185	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1313	set_environ (envv);
1186	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1314
1187	if (xim == NULL)	1315	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1188	return False;	1316	return false;
1189		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
1190	xim_styles = NULL;	1325	xim_styles = NULL;
1191	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1326	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1192	|| !xim_styles || !xim_styles->count_styles) {	1327	|| !xim_styles || !xim_styles->count_styles)
1193	XCloseIM(xim);	1328	{
		1329	im_destroy ();
1194	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++)
1195	}	1336	{
		1337	p = pet[pi];
1196		1338
1197	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1339	if (!p)
1198	: "OverTheSpot,OffTheSpot,Root";	1340	continue;
1199	s = rxvt_splitcommastring(p);	1341
		1342	s = rxvt_strsplit (',', p);
		1343
1200	for (i = found = 0; !found && s[i]; i++) {	1344	for (i = found = 0; !found && s[i]; i++)
		1345	{
1201	if (!STRCMP(s[i], "OverTheSpot"))	1346	if (!strcmp (s[i], "OverTheSpot"))
1202	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1347	input_style = XIMPreeditPosition | XIMStatusNothing;
1203	else if (!STRCMP(s[i], "OffTheSpot"))	1348	else if (!strcmp (s[i], "OffTheSpot"))
1204	R->input_style = (XIMPreeditArea | XIMStatusArea);	1349	input_style = XIMPreeditArea | XIMStatusArea;
1205	else if (!STRCMP(s[i], "Root"))	1350	else if (!strcmp (s[i], "Root"))
1206	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;
1207		1360
1208	for (j = 0; j < xim_styles->count_styles; j++)	1361	for (j = 0; j < xim_styles->count_styles; j++)
1209	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
1210	found = 1;	1366	found = 1;
		1367	goto foundpet;
		1368	}
		1369
		1370	}
		1371
		1372	rxvt_free_strsplit (s);
		1373	}
		1374
		1375	foundpet:
		1376
		1377	XFree (xim_styles);
		1378
		1379	if (!found)
		1380	{
		1381	im_destroy ();
		1382	return false;
		1383	}
		1384
		1385	XFontSet fs = 0;
		1386	XVaNestedList preedit_attr = 0, status_attr = 0;
		1387
		1388	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		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];
		1395
		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);
		1406
		1407	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1408	&missing_charset_list, &missing_charset_count, &def_string);
		1409
		1410	if (missing_charset_list)
		1411	XFreeStringList (missing_charset_list);
		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
		1420	if (input_style & XIMPreeditPosition)
		1421	{
		1422	im_set_size (rect);
		1423	im_set_position (spot);
		1424	im_set_color (fg, bg);
		1425
		1426	preedit_attr = XVaCreateNestedList (0,
		1427	XNForeground, fg,
		1428	XNBackground, bg,
		1429	XNArea, &rect,
		1430	XNSpotLocation, &spot,
		1431	XNFontSet, fs,
		1432	NULL);
		1433	}
		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,
		1486	XNClientWindow, vt,
		1487	XNFocusWindow, parent,
		1488	preedit_attr ? XNPreeditAttributes : NULL,
		1489	preedit_attr,
		1490	status_attr ? XNStatusAttributes : NULL,
		1491	status_attr, NULL);
		1492
		1493	if (preedit_attr) XFree (preedit_attr);
		1494	if (status_attr) XFree (status_attr);
		1495	if (fs) XFreeFontSet (dpy, fs);
		1496
		1497	if (Input_Context == NULL)
		1498	{
		1499	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1500	im_destroy ();
		1501	return false;
		1502	}
		1503
		1504	#if 0
		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
		1512	return true;
		1513	}
		1514
		1515	void
		1516	rxvt_term::im_cb ()
		1517	{
		1518	int i;
		1519	const char *p;
		1520	char **s;
		1521	char buf[IMBUFSIZ];
		1522
		1523	make_current ();
		1524
		1525	im_destroy ();
		1526
		1527	if (Input_Context)
		1528	return;
		1529
		1530	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1531	if (rs[Rs_imLocale])
		1532	SET_LOCALE (rs[Rs_imLocale]);
		1533	#endif
		1534
		1535	p = rs[Rs_inputMethod];
		1536	if (p && *p)
		1537	{
		1538	bool found = false;
		1539
		1540	s = rxvt_strsplit (',', p);
		1541
		1542	for (i = 0; s[i]; i++)
		1543	{
		1544	if (*s[i])
		1545	{
		1546	strcpy (buf, "@im=");
		1547	strncat (buf, s[i], IMBUFSIZ - 5);
		1548	if (im_get_ic (buf))
		1549	{
		1550	found = true;
1211	break;	1551	break;
		1552	}
1212	}	1553	}
1213	}	1554	}
1214	for (i = 0; s[i]; i++)
1215	free(s[i]);
1216	free(s);
1217	XFree(xim_styles);
1218		1555
		1556	rxvt_free_strsplit (s);
		1557
1219	if (!found) {	1558	if (found)
1220	XCloseIM(xim);	1559	goto done;
1221	return False;
1222	}	1560	}
1223		1561
1224	ximcallback.callback = rxvt_IMDestroyCallback;	1562	/* try with XMODIFIERS env. var. */
		1563	if (im_get_ic (""))
		1564	goto done;
1225		1565
1226	/* XXX: not sure why we need this (as well as IC one below) */	1566	/* try with no modifiers base IF the user didn't specify an IM */
1227	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1567	if (im_get_ic ("@im=none"))
		1568	goto done;
1228		1569
1229	preedit_attr = status_attr = NULL;	1570	done:
1230		1571	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1231	if (R->input_style & XIMPreeditPosition) {	1572	if (rs[Rs_imLocale])
1232	rxvt_setSize(aR_ & rect);	1573	SET_LOCALE (locale);
1233	rxvt_setPosition(aR_ & spot);	1574	#endif
1234	rxvt_setColor(aR_ & fg, &bg);
1235
1236	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1237	XNSpotLocation, &spot,
1238	XNForeground, fg, XNBackground, bg,
1239	//XNFontSet, R->TermWin.fontset,
1240	NULL);
1241	} else if (R->input_style & XIMPreeditArea) {
1242	rxvt_setColor(aR_ & fg, &bg);
1243
1244	/*
1245	* The necessary width of preedit area is unknown
1246	* until create input context.
1247	*/
1248	needed_rect.width = 0;
1249
1250	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1251
1252	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1253	XNForeground, fg, XNBackground, bg,
1254	//XNFontSet, R->TermWin.fontset,
1255	NULL);
1256	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1257	XNForeground, fg, XNBackground, bg,
1258	//XNFontSet, R->TermWin.fontset,
1259	NULL);
1260	}
1261	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1262	XNClientWindow, R->TermWin.parent[0],
1263	XNFocusWindow, R->TermWin.parent[0],
1264	XNDestroyCallback, &ximcallback,
1265	preedit_attr ? XNPreeditAttributes : NULL,
1266	preedit_attr,
1267	status_attr ? XNStatusAttributes : NULL,
1268	status_attr, NULL);
1269	if (preedit_attr)
1270	XFree(preedit_attr);
1271	if (status_attr)
1272	XFree(status_attr);
1273	if (R->Input_Context == NULL) {
1274	rxvt_print_error("failed to create input context");
1275	XCloseIM(xim);
1276	return False;
1277	}
1278	if (R->input_style & XIMPreeditArea)
1279	rxvt_IMSetStatusPosition(aR);
1280	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1281	return True;
1282	}	1575	}
1283		1576
1284	/* EXTPROTO */
1285	void	1577	void
1286	rxvt_IMSetStatusPosition(pR)	1578	rxvt_term::im_set_position ()
1287	{	1579	{
1288	XRectangle preedit_rect, status_rect, *needed_rect;	1580	XRectangle preedit_rect, status_rect, *needed_rect;
1289	XVaNestedList preedit_attr, status_attr;	1581	XVaNestedList preedit_attr, status_attr;
1290		1582
1291	if (R->Input_Context == NULL	1583	if (!Input_Context
1292	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1584	|| !focus
1293	|| !rxvt_IMisRunning(aR))	1585	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1586	|| !im_is_running ())
1294	return;	1587	return;
1295		1588
		1589	if (input_style & XIMPreeditPosition)
		1590	{
		1591	im_set_size (preedit_rect);
		1592	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1593
		1594	XSetICValues (Input_Context,
		1595	XNPreeditAttributes, preedit_attr, NULL);
		1596	}
		1597	else
		1598	{
1296	/* Getting the necessary width of preedit area */	1599	/* Getting the necessary width of preedit area */
1297	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1600	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1298	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1601	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1299	XFree(status_attr);	1602	XFree (status_attr);
1300		1603
1301	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1604	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1605	XFree (needed_rect);
1302		1606
1303	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1304	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1305		1609
1306	XSetICValues(R->Input_Context,	1610	XSetICValues (Input_Context,
1307	XNPreeditAttributes, preedit_attr,	1611	XNPreeditAttributes, preedit_attr,
1308	XNStatusAttributes, status_attr, NULL);	1612	XNStatusAttributes, status_attr,
		1613	NULL);
1309		1614
		1615	XFree (status_attr);
		1616	}
		1617
1310	XFree(preedit_attr);	1618	XFree (preedit_attr);
1311	XFree(status_attr);
1312	}	1619	}
1313	#endif /* USE_XIM */	1620	#endif /* USE_XIM */
1314		1621
1315	/*----------------------------------------------------------------------*/	1622	void
1316	rxvt_t rxvt_current_term;	1623	rxvt_term::get_window_origin (int &x, int &y)
		1624	{
		1625	Window cr;
		1626	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1627	}
		1628
		1629	Pixmap
		1630	rxvt_term::get_pixmap_property (Atom property)
		1631	{
		1632	Pixmap pixmap = None;
		1633
		1634	int aformat;
		1635	unsigned long nitems, bytes_after;
		1636	Atom atype;
		1637	unsigned char *prop;
		1638	int result = XGetWindowProperty (dpy, display->root, property,
		1639	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1640	&nitems, &bytes_after, &prop);
		1641	if (result == Success)
		1642	{
		1643	if (atype == XA_PIXMAP)
		1644	pixmap = *(Pixmap *)prop;
		1645	XFree (prop);
		1646	}
		1647
		1648	return pixmap;
		1649	}
		1650
		1651	#ifdef HAVE_BG_PIXMAP
		1652
		1653	void
		1654	rxvt_term::update_background ()
		1655	{
		1656	if (update_background_ev.is_active ())
		1657	return;
		1658
		1659	bg_invalidate ();
		1660
		1661	if (!mapped)
		1662	return;
		1663
		1664	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1665
		1666	if (to_wait <= 0.)
		1667	bg_render ();
		1668	else
		1669	update_background_ev.start (to_wait);
		1670	}
		1671
		1672	void
		1673	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1674	{
		1675	make_current ();
		1676
		1677	update_background_ev.stop ();
		1678	bg_render ();
		1679	refresh_check ();
		1680	}
		1681
		1682	#endif /* HAVE_BG_PIXMAP */
1317		1683
1318	/*----------------------- end-of-file (C source) -----------------------*/	1684	/*----------------------- end-of-file (C source) -----------------------*/

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