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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.8 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.375 by sf-exg, Sun Jun 3 17:48:28 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.8 2003/11/27 10:12:10 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	{	185	#endif
		186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		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
73	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;
74	}	212	}
75		213
76	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
77	{	215	{
78	rxvt_scr_release (this);	216	termlist.erase (find (termlist.begin (), termlist.end(), this));
79		217
80	#ifndef NO_SETOWNER_TTYDEV	218	emergency_cleanup ();
81	rxvt_privileged_ttydev (this, RESTORE);	219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
82	#endif	224	#endif
83	#ifdef UTMP_SUPPORT	225	delete fontset[0];
84	rxvt_privileged_utmp (this, RESTORE);	226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
85	#endif	229	#endif
		230
		231	if (display)
		232	{
		233	selection_clear ();
		234	selection_clear (true);
		235
86	#ifdef USE_XIM	236	#ifdef USE_XIM
87	if (Input_Context != NULL)	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);
88	{	260	}
89	XDestroyIC (Input_Context);
90	Input_Context = NULL;
91	}
92	#endif
93		261
94	if (cmd_fd >= 0)	262	scr_release ();
95	close (cmd_fd);
96		263
97	if (Xfd >= 0)	264	/* clear all resources */
98	XCloseDisplay (Xdisplay);	265	for (int i = 0; i < allocated.size (); i++)
		266	free (allocated [i]);
99		267
100	delete PixColors;	268	free (selection.text);
		269	free (selection.clip_text);
		270	free (locale);
		271	free (v_buffer);
		272
		273	delete selection_req;
		274
		275	delete envv;
		276	delete argv;
		277
		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 ();
101	}	296	}
102		297
103	void	298	void
104	rxvt_term::destroy ()	299	rxvt_term::destroy ()
105	{	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
		323	flush_ev.stop ();
106	pty_ev.stop ();	324	pty_ev.stop ();
107	x_ev.stop ();
108	#ifdef CURSOR_BLINK	325	#ifdef CURSOR_BLINK
		326	cursor_blink_ev.stop ();
		327	#endif
		328	#ifdef TEXT_BLINK
109	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 ();
110	#endif	336	#endif
111	#ifdef POINTER_BLANK	337	#ifdef POINTER_BLANK
112	pointer_ev.stop ();	338	pointer_ev.stop ();
113	#endif	339	#endif
114		340
115	destroy_ev.start (0);	341	destroy_ev.start ();
116	}	342	}
117		343
118	void	344	void
119	rxvt_term::destroy_cb (time_watcher &w)	345	rxvt_term::destroy_cb (ev::idle &w, int revents)
120	{	346	{
121	SET_R (this);	347	make_current ();
122		348
123	delete this;	349	delete this;
124	}	350	}
125		351
126	/*----------------------------------------------------------------------*/	352	void
127	/* rxvt_init() */	353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
128	/* LIBPROTO */
129	rxvt_t
130	rxvt_init(int argc, const char *const *argv)
131	{	354	{
132	SET_R(new rxvt_term);	355	if (!opt)
133	dR;
134
135	if (!R->init_vars () || !R->init (argc, argv))
136	{
137	delete R;
138	return NULL;
139	}
140
141	return R;	356	return;
142	}
143		357
144	/* EXTPROTO */	358	uint8_t mask = 1 << (opt & 7);
145	void	359	uint8_t &val = options [opt >> 3];
146	rxvt_init_signals ()
147	{
148	/* install exit handler for cleanup */
149	#if 0
150	#ifdef HAVE_ATEXIT
151	atexit(rxvt_clean_exit);
152	#else
153	# ifdef HAVE_ON_EXIT
154	on_exit(rxvt_clean_exit, NULL); /* non-ANSI exit handler */
155	# endif
156	#endif
157	#endif
158		360
159	struct sigaction sa;	361	val = val & ~mask | (set ? mask : 0);
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGHUP , &sa, 0); //TODO, also: SIGPIPE
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	flush ();
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	}	362	}
305		363
306	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
307	/*	365	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* 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
310	*/	368	*/
311	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
312	void
313	rxvt_clean_exit ()
314	{
315	dR;
316		370
317	R->destroy ();	371	static void
318	}	372	rxvt_emergency_cleanup ()
319
320	/* ------------------------------------------------------------------------- *
321	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */
323	/* EXTPROTO */
324	void *
325	rxvt_malloc(size_t size)
326	{	373	{
327	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		375	(*t)->emergency_cleanup ();
		376	}
328		377
329	p = malloc(size);	378	#if !ENABLE_MINIMAL
330	if (p)	379	static void ecb_cold
331	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
332		426
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	427	int ecb_cold
334	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 ecb_cold
		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 ();
335	exit(EXIT_FAILURE);	452	_exit (EXIT_FAILURE);
336	/* NOTREACHED */
337	}	453	}
338		454
339	/* EXTPROTO */	455	static struct sig_handlers
340	void *
341	rxvt_calloc(size_t number, size_t size)
342	{	456	{
343	void *p;	457	ev::sig sw_term, sw_int;
344		458
345	p = calloc(number, size);	459	/*
346	if (p)	460	* Catch a fatal signal and tidy up before quitting
347	return p;	461	*/
		462	void sig_term (ev::sig &w, int revents);
348		463
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	464	sig_handlers ()
350	rxvt_clean_exit();	465	{
351	exit(EXIT_FAILURE);	466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
352	/* NOTREACHED */	467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
353	}	468	}
		469	} sig_handlers;
354		470
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	471	void
380	rxvt_privileges(pR_ int mode)	472	sig_handlers::sig_term (ev::sig &w, int revents)
381	{	473	{
382	#if ! defined(__CYGWIN32__)	474	rxvt_emergency_cleanup ();
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	475	w.stop ();
384	/* setreuid() is the poor man's setuid(), seteuid() */	476	kill (getpid (), w.signum);
385	# define seteuid(a) setreuid(-1, (a))	477	}
386	# define setegid(a) setregid(-1, (a))	478
387	# 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;
388	# endif	501	# endif
389	# ifdef HAVE_SETEUID	502	# ifdef VREPRINT
390	switch (mode) {	503	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	504	# endif
420	#endif	505	# ifdef VDISCRD
421	}	506	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	507	# endif
469	{	508	# ifdef VWERSE
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	509	tio->c_cc[VWERSE] = CWERASE;
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif	510	# endif
475	}	511	# ifdef VLNEXT
476	} else { /* action == RESTORE */	512	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	513	# endif
486	}	514	# ifdef VSTATUS
487		515	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	516	# endif
498	}	517
		518	# if VMIN != VEOF
		519	tio->c_cc[VMIN] = 1;
499	#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
		577	#ifdef HAVE_PIXBUF
		578	g_type_init ();
		579	#endif
		580	}
500		581
501	/*----------------------------------------------------------------------*/	582	/*----------------------------------------------------------------------*/
502	/*	583	/*
503	* window size/position calculcations for XSizeHint and other storage.	584	* window size/position calculations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	585	* if width/height are non-zero then override calculated width/height
505	*/	586	*/
506	/* EXTPROTO */
507	void	587	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	588	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	589	{
510	short recalc_x, recalc_y;	590	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	591	int x, y, flags;
512	unsigned int w, h;	592	unsigned int w, h;
513	unsigned int max_width, max_height;	593	unsigned int max_width, max_height;
514		594
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;	595	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	596	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	597	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		598
522	recalc_x = recalc_y = 0;	599	recalc_x = recalc_y = 0;
523	flags = 0;	600	flags = 0;
		601
524	if (!R->parsed_geometry) {	602	if (!parsed_geometry)
		603	{
525	R->parsed_geometry = 1;	604	parsed_geometry = 1;
		605
526	if (R->rs[Rs_geometry])	606	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	607	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		608
528	if (flags & WidthValue) {	609	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	610	{
		611	if (!w)
		612	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		613
		614	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	615	szHint.flags |= USSize;
531	}	616	}
		617
532	if (flags & HeightValue) {	618	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	619	{
		620	if (!h)
		621	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		622
		623	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	624	szHint.flags |= USSize;
535	}	625	}
		626
536	if (flags & XValue) {	627	if (flags & XValue)
		628	{
537	R->szHint.x = x;	629	szHint.x = x;
538	R->szHint.flags |= USPosition;	630	szHint.flags |= USPosition;
		631
539	if (flags & XNegative) {	632	if (flags & XNegative)
		633	{
540	recalc_x = 1;	634	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	635	szHint.win_gravity = NorthEastGravity;
542	}	636	}
543	}	637	}
		638
544	if (flags & YValue) {	639	if (flags & YValue)
		640	{
545	R->szHint.y = y;	641	szHint.y = y;
546	R->szHint.flags |= USPosition;	642	szHint.flags |= USPosition;
		643
547	if (flags & YNegative) {	644	if (flags & YNegative)
		645	{
548	recalc_y = 1;	646	recalc_y = 1;
		647
549	if (R->szHint.win_gravity == NorthEastGravity)	648	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	649	szHint.win_gravity = SouthEastGravity;
551	else	650	else
552	R->szHint.win_gravity = SouthWestGravity;	651	szHint.win_gravity = SouthWestGravity;
553	}	652	}
554	}	653	}
555	}	654	}
		655
556	/* TODO: BOUNDS */	656	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	657	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	658	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	659	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	660	max_height = MAX_ROWS * fheight;
561		661
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	662	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		663
564	sb_w = mb_h = 0;
565	R->window_vt_x = R->window_vt_y = 0;	664	window_vt_x = window_vt_y = int_bwidth;
566	if (scrollbar_visible(R)) {	665
		666	if (scrollBar.state)
		667	{
567	sb_w = scrollbar_TotalWidth();	668	int sb_w = scrollBar.total_width ();
568	R->szHint.base_width += sb_w;	669	szHint.base_width += sb_w;
		670
569	if (!(R->Options & Opt_scrollBar_right))	671	if (!option (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	672	window_vt_x += sb_w;
571	}	673	}
572	if (menubar_visible(R)) {	674
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;	675	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	676	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	677	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	678	szHint.min_height = szHint.base_height + szHint.height_inc;
581		679
582	if (width && width - R->szHint.base_width < max_width) {	680	if (newwidth && newwidth - szHint.base_width < max_width)
		681	{
583	R->szHint.width = width;	682	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	683	width = newwidth - szHint.base_width;
585	} else {	684	}
586	MIN_IT(R->TermWin.width, max_width);	685	else
		686	{
		687	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	688	szHint.width = szHint.base_width + width;
588	}	689	}
		690
589	if (height && height - R->szHint.base_height < max_height) {	691	if (newheight && newheight - szHint.base_height < max_height)
		692	{
590	R->szHint.height = height;	693	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	694	height = newheight - szHint.base_height;
592	} else {	695	}
593	MIN_IT(R->TermWin.height, max_height);	696	else
		697	{
		698	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	699	szHint.height = szHint.base_height + height;
595	}	700	}
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;
598		701
599	if (recalc_x)	702	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	703	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	704
602	if (recalc_y)	705	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	706	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		707
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	708	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	709	nrow = height / fheight;
608	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	710
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	711	// When the size of the vt window is not a multiple of the cell
610	R->szHint.height));	712	// size, i.e., when the wm does not honour our size hints, there are
611	return;	713	// extra areas not covered by the terminal screen. Such gaps, when a
		714	// bg pixmap is set, would have to be cleared manually to properly
		715	// refresh the background. We take the simpler route and shrink the
		716	// vt window so as to avoid creating gaps.
		717	vt_width = ncol * fwidth;
		718	vt_height = nrow * fheight;
612	}	719	}
613		720
614	/*----------------------------------------------------------------------*/	721	/*----------------------------------------------------------------------*/
615	/*	722	/*
616	* Tell the teletype handler what size the window is.	723	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	724	* Called after a window size change.
618	*/	725	*/
619	/* EXTPROTO */
620	void	726	void
621	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	727	rxvt_term::tt_winch ()
622	{	728	{
		729	if (pty->pty < 0)
		730	return;
		731
623	struct winsize ws;	732	struct winsize ws;
624		733
625	if (fd < 0)
626	return;
627	ws.ws_col = col;	734	ws.ws_col = ncol;
628	ws.ws_row = row;	735	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	736	ws.ws_xpixel = vt_width;
630	#ifndef DEBUG_SIZE	737	ws.ws_ypixel = vt_height;
631	(void)ioctl(fd, TIOCSWINSZ, &ws);	738	ioctl (pty->pty, TIOCSWINSZ, &ws);
		739
		740	#if 0
		741	// TIOCSWINSZ is supposed to do this automatically and correctly
		742	if (cmd_pid) /* force through to the command */
		743	kill (-cmd_pid, SIGWINCH);
		744	#endif
		745	}
		746
		747	/*----------------------------------------------------------------------*/
		748	/* load and set the various fonts */
		749	bool
		750	rxvt_term::set_fonts ()
		751	{
		752	rxvt_fontset *fs = new rxvt_fontset (this);
		753	rxvt_fontprop prop;
		754
		755	if (!fs
		756	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		757	|| !fs->realize_font (1))
		758	{
		759	delete fs;
		760	return false;
		761	}
		762
		763	#if ENABLE_STYLES
		764	for (int i = RS_styleCount; --i; )
		765	if (fontset[i] != fontset[0])
		766	delete fontset[i];
		767	#endif
		768
		769	delete fontset[0];
		770	fontset[0] = fs;
		771
		772	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		773	prop.width += letterSpace;
		774
		775	fs->set_prop (prop, false);
		776
		777	fwidth = prop.width;
		778	fheight = prop.height + lineSpace;
		779	fbase = prop.ascent;
		780
		781	for (int style = 1; style < 4; style++)
		782	{
		783	#if ENABLE_STYLES
		784	const char *res = rs[Rs_font + style];
		785
		786	if (res && !*res)
		787	fontset[style] = fontset[0];
		788	else
		789	{
		790	fontset[style] = fs = new rxvt_fontset (this);
		791	rxvt_fontprop prop2 = prop;
		792
		793	if (res)
		794	{
		795	fs->populate (res);
		796	fs->set_prop (prop2, false);
		797	}
		798	else
		799	{
		800	fs->populate (fontset[0]->fontdesc);
		801
		802	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		803	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		804
		805	fs->set_prop (prop2, true);
		806	}
		807
		808	}
632	#else	809	#else
633	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	810	fontset[style] = fontset[0];
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
635	}
636	# ifdef SIGWINCH
637	else if (pid) /* force through to the command */
638	kill(pid, SIGWINCH);
639	# endif	811	#endif
640	#endif	812	}
641	}
642		813
643	/*----------------------------------------------------------------------*/	814	if (parent)
644	/* rxvt_change_font() - Switch to a new font */	815	{
645	/*	816	resize_all_windows (0, 0, 0);
646	* init = 1 - initialize	817	scr_remap_chars ();
647	*	818	scr_touch (true);
648	* fontname == FONT_UP - switch to bigger font	819	}
649	* fontname == FONT_DN - switch to smaller font
650	*/
651	/* EXTPROTO */
652	void
653	rxvt_change_font(pR_ int init, const char *fontname)
654	{
655	}
656		820
657	/* INTPROTO */	821	return true;
		822	}
		823
658	void	824	void
659	rxvt_font_up_down(pR_ int n, int direction)	825	rxvt_term::set_string_property (Atom prop, const char *str, int len)
660	{	826	{
		827	XChangeProperty (dpy, parent,
		828	prop, XA_STRING, 8, PropModeReplace,
		829	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		830	}
		831
		832	void
		833	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		834	{
		835	XTextProperty ct;
		836
		837	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		838	{
		839	XSetTextProperty (dpy, parent, &ct, prop);
		840	XFree (ct.value);
		841	}
		842	}
		843
		844	void
		845	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		846	{
		847	wchar_t *ws = rxvt_mbstowcs (str, len);
		848	char *s = rxvt_wcstoutf8 (ws);
		849
		850	XChangeProperty (dpy, parent,
		851	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		852	(const unsigned char *)s, strlen (s));
		853
		854	free (s);
		855	free (ws);
661	}	856	}
662		857
663	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
664	/*----------------------------------------------------------------------*/	859	/*----------------------------------------------------------------------*/
665	/* xterm sequences - title, iconName, color (exptl) */	860	/* xterm sequences - title, iconName, color (exptl) */
666	/* EXTPROTO */
667	void	861	void
668	rxvt_set_title(pR_ const char *str)	862	rxvt_term::set_title (const char *str)
669	{	863	{
670	#ifndef SMART_WINDOW_TITLE	864	set_mbstring_property (XA_WM_NAME, str);
671	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	865	#if ENABLE_EWMH
672	#else	866	set_utf8_property (xa[XA_NET_WM_NAME], str);
673	char *name;
674
675	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
676	name = NULL;
677	if (name == NULL || STRCMP(name, str))
678	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
679	if (name)
680	XFree(name);
681	#endif	867	#endif
682	}	868	}
683		869
684	/* EXTPROTO */
685	void	870	void
686	rxvt_set_iconName(pR_ const char *str)	871	rxvt_term::set_icon_name (const char *str)
687	{	872	{
688	#ifndef SMART_WINDOW_TITLE	873	set_mbstring_property (XA_WM_ICON_NAME, str);
689	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	874	#if ENABLE_EWMH
690	#else	875	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
691	char *name;
692
693	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif	876	#endif
700	}	877	}
701		878
		879	void
		880	rxvt_term::set_window_color (int idx, const char *color)
		881	{
702	#ifdef XTERM_COLOR_CHANGE	882	#ifdef XTERM_COLOR_CHANGE
703	/* EXTPROTO */
704	void
705	rxvt_set_window_color(pR_ int idx, const char *color)
706	{
707	rxvt_color xcol;	883	rxvt_color xcol;
708	int i;
709		884
710	if (color == NULL || *color == '\0')	885	if (color == NULL || *color == '\0')
711	return;	886	return;
712		887
		888	color = strdup (color);
		889	allocated.push_back ((void *)color);
		890	rs[Rs_color + idx] = color;
		891
713	/* handle color aliases */	892	/* handle color aliases */
714	if (isdigit(*color)) {	893	if (isdigit (*color))
		894	{
715	i = atoi(color);	895	int i = atoi (color);
716	if (i >= 8 && i <= 15) { /* bright colors */	896
717	i -= 8;	897	if (i >= 8 && i <= 15)
718	# ifndef NO_BRIGHTCOLOR	898	{
719	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	899	/* bright colors */
720	SET_PIXCOLOR(R, idx);	900	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
721	goto Done;	901	goto done;
722	# endif
723	}	902	}
724	if (i >= 0 && i <= 7) { /* normal colors */	903
725	R->PixColors[idx] = R->PixColors[minCOLOR + i];	904	if (i >= 0 && i <= 7)
726	SET_PIXCOLOR(R, idx);	905	{
		906	/* normal colors */
		907	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
727	goto Done;	908	goto done;
728	}	909	}
729	}	910	}
730	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731	return;
732	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733		911
734	/*	912	set_color (xcol, color);
		913
		914	/*
735	* FIXME: should free colors here, but no idea how to do it so instead,	915	* FIXME: should free colors here, but no idea how to do it so instead,
736	* so just keep gobbling up the colormap	916	* so just keep gobbling up the colormap
737	*/	917	*/
738	# if 0
739	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[idx] == R->PixColors[i])
741	break;
742	if (i > Color_White) {
743	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
744	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
745	DisplayPlanes(R->Xdisplay, Xscreen));
746	}
747	# endif
748		918
749	R->PixColors[idx] = xcol;	919	pix_colors_focused[idx] = xcol;
750	SET_PIXCOLOR(R, idx);
751		920
752	/* XSetWindowAttributes attr; */	921	done:
753	/* Cursor cursor; */
754	Done:
755	if (idx == Color_bg && !(R->Options & Opt_transparent))
756	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
757	R->PixColors[Color_bg]);
758
759	/* handle Color_BD, scrollbar background, etc. */	922	/*TODO: handle Color_BD, scrollbar background, etc. */
760		923
761	rxvt_set_colorfgbg(aR);	924	update_fade_color (idx);
762	rxvt_recolour_cursor(aR);	925	recolour_cursor ();
763	/* the only reasonable way to enforce a clean update */	926	scr_recolour ();
764	rxvt_scr_poweron(aR);	927	#endif /* XTERM_COLOR_CHANGE */
765	}	928	}
766		929
767	#else
768	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
769	#endif /* XTERM_COLOR_CHANGE */
770
771	/* EXTPROTO */
772	void	930	void
773	rxvt_recolour_cursor(pR)	931	rxvt_term::recolour_cursor ()
774	{	932	{
775	rxvt_color xcol[2];	933	XColor fg, bg;
776		934
777	#if TODO	935	(ISSET_PIXCOLOR (Color_pointer_fg)
778	xcol[0] = R->PixColors[Color_pointer];	936	? pix_colors_focused[Color_pointer_fg]
779	xcol[1] = R->PixColors[Color_bg];	937	: pix_colors_focused[Color_fg]).get (fg);
780	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	938
781	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	939	(ISSET_PIXCOLOR (Color_pointer_bg)
782	#endif	940	? pix_colors_focused[Color_pointer_bg]
		941	: pix_colors_focused[Color_bg]).get (bg);
		942
		943	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
783	}	944	}
784		945
785	/*----------------------------------------------------------------------*/	946	/*----------------------------------------------------------------------*/
786	/*	947	/*
787	* find if fg/bg matches any of the normal (low-intensity) colors	948	* find if fg/bg matches any of the normal (low-intensity) colors
788	*/	949	*/
789	/* INTPROTO */	950	char *
790	void
791	rxvt_set_colorfgbg(pR)	951	rxvt_term::get_colorfgbg ()
792	{	952	{
793	unsigned int i;	953	unsigned int i;
794	const char *xpmb = "\0";	954	const char *xpmb = "";
795	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	955	char fstr[] = "default";
		956	char bstr[] = "default";
		957	char *env_colorfgbg;
796		958
797	R->env_colorfgbg =
798	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
799	STRCPY(fstr, "default");
800	STRCPY(bstr, "default");
801	for (i = Color_Black; i <= Color_White; i++)	959	for (i = Color_Black; i <= Color_White; i++)
802	if (R->PixColors[Color_fg] == R->PixColors[i]) {	960	if (pix_colors[Color_fg] == pix_colors[i])
		961	{
803	sprintf(fstr, "%d", (i - Color_Black));	962	sprintf (fstr, "%d", i - Color_Black);
804	break;	963	break;
805	}	964	}
		965
806	for (i = Color_Black; i <= Color_White; i++)	966	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_bg] == R->PixColors[i]) {	967	if (pix_colors[Color_bg] == pix_colors[i])
		968	{
808	sprintf(bstr, "%d", (i - Color_Black));	969	sprintf (bstr, "%d", i - Color_Black);
809	#ifdef XPM_BACKGROUND	970	#ifdef BG_IMAGE_FROM_FILE
810	xpmb = "default;";	971	xpmb = "default;";
811	#endif	972	#endif
812	break;	973	break;
813	}	974	}
		975
		976	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
814	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	977	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
815	putenv(R->env_colorfgbg);	978	return env_colorfgbg;
816
817	#ifndef NO_BRIGHTCOLOR
818	R->colorfgbg = DEFAULT_RSTYLE;
819	for (i = minCOLOR; i <= maxCOLOR; i++) {
820	if (R->PixColors[Color_fg] == R->PixColors[i])
821	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
822	if (R->PixColors[Color_bg] == R->PixColors[i])
823	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
824	}
825	#endif
826	}	979	}
827		980
828	/*----------------------------------------------------------------------*/	981	/*----------------------------------------------------------------------*/
829	/*
830	* Colour determination for low colour displays, routine from
831	* Hans de Goede <hans@highrise.nl>
832	*/
833		982
834	/* EXTPROTO */	983	bool
835	int	984	rxvt_term::set_color (rxvt_color &color, const char *name)
836	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
837	{	985	{
838	screen_in_out->set(aR_ colour);	986	if (color.set (this, name))
839
840	if (!screen_in_out->set(aR_ colour)) {
841	rxvt_print_error("can't allocate colour: %s", colour);
842	return false;
843	}
844
845	return true;	987	return true;
		988
		989	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		990	return false;
		991	}
		992
		993	void
		994	rxvt_term::alias_color (int dst, int src)
		995	{
		996	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
846	}	997	}
847		998
848	/* -------------------------------------------------------------------- *	999	/* -------------------------------------------------------------------- *
849	* - WINDOW RESIZING - *	1000	* - WINDOW RESIZING - *
850	* -------------------------------------------------------------------- */	1001	* -------------------------------------------------------------------- */
851	/* EXTPROTO */
852	void	1002	void
853	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1003	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854	int ignoreparent)
855	{	1004	{
856	int fix_screen;	1005	int fix_screen;
		1006	int old_width = szHint.width;
		1007	int old_height = szHint.height;
857		1008
		1009	window_calc (newwidth, newheight);
		1010
		1011	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1012
		1013	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1014	if (set_hint)
		1015	{
		1016	szHint.flags &= ~(PBaseSize | PResizeInc);
		1017	XSetWMNormalHints (dpy, parent, &szHint);
		1018	szHint.flags |= PBaseSize | PResizeInc;
		1019	}
		1020
		1021	if (!ignoreparent)
		1022	{
858	#ifdef SMART_RESIZE	1023	#ifdef SMART_RESIZE
859	int old_width = R->szHint.width, old_height = R->szHint.height;	1024	/*
860	#endif
861
862	rxvt_window_calc(aR_ width, height);
863	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
864	if (!ignoreparent) {
865	#ifdef SMART_RESIZE
866	/*
867	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1025	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868	* reposition window on resize depending on placement on screen	1026	* reposition window on resize depending on placement on screen
869	*/	1027	*/
870	int x, y, x1, y1;	1028	int x, y, x1, y1;
871	int dx, dy;	1029	int dx, dy;
872	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1030	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873	Window unused_cr;	1031	Window unused_cr;
874		1032
875	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1033	XTranslateCoordinates (dpy, parent, display->root,
876	0, 0, &x, &y, &unused_cr);	1034	0, 0, &x, &y, &unused_cr);
877	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1035	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
878	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1036	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
879	/*	1037	/*
880	* if Xroot isn't the parent window, a WM will probably have offset	1038	* if display->root isn't the parent window, a WM will probably have offset
881	* our position for handles and decorations. Counter it	1039	* our position for handles and decorations. Counter it
882	*/	1040	*/
883	if (x1 != x || y1 != y) {	1041	if (x1 != x || y1 != y)
		1042	{
884	x -= x1;	1043	x -= x1;
885	y -= y1;	1044	y -= y1;
886	}	1045	}
887		1046
888	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1047	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
889	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1048	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
890	dx = old_width - R->szHint.width;	1049	dx = old_width - szHint.width;
891	dy = old_height - R->szHint.height;	1050	dy = old_height - szHint.height;
892		1051
893	/* Check position of the center of the window */	1052	/* Check position of the center of the window */
894	if (x < x1) /* left half */	1053	if (x < x1) /* left half */
895	dx = 0;	1054	dx = 0;
896	else if (x == x1) /* exact center */	1055	else if (x == x1) /* exact center */
897	dx /= 2;	1056	dx /= 2;
898	if (y < y1) /* top half */	1057	if (y < y1) /* top half */
899	dy = 0;	1058	dy = 0;
900	else if (y == y1) /* exact center */	1059	else if (y == y1) /* exact center */
901	dy /= 2;	1060	dy /= 2;
902		1061
903	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1062	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
904	R->szHint.width, R->szHint.height);	1063	szHint.width, szHint.height);
905	#else	1064	#else
906	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1065	XResizeWindow (dpy, parent, szHint.width, szHint.height);
907	R->szHint.height);
908	#endif	1066	#endif
909	}	1067	}
910		1068
911	fix_screen = (R->TermWin.ncol != R->prev_ncol	1069	if (set_hint)
912	|| R->TermWin.nrow != R->prev_nrow);	1070	XSetWMNormalHints (dpy, parent, &szHint);
		1071
		1072	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1073
913	if (fix_screen || width != R->old_width || height != R->old_height) {	1074	if (fix_screen || newwidth != old_width || newheight != old_height)
914	if (scrollbar_visible(R)) {
915	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
916	0, scrollbar_TotalWidth(), R->szHint.height);
917	rxvt_Resize_scrollBar(aR);
918	}
919	if (menubar_visible(R))
920	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
921	0, TermWin_TotalWidth(), menuBar_TotalHeight());
922	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
923	R->window_vt_y, TermWin_TotalWidth(),
924	TermWin_TotalHeight());
925	#ifdef RXVT_GRAPHICS
926	if (R->old_height)
927	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
928	R->old_height - R->szHint.base_height);
929	#endif
930	rxvt_scr_clear(aR);
931	#ifdef XPM_BACKGROUND
932	rxvt_resize_pixmap(aR);
933	#endif
934	}	1075	{
		1076	if (scrollBar.state)
		1077	scrollBar.resize ();
935		1078
		1079	XMoveResizeWindow (dpy, vt,
		1080	window_vt_x, window_vt_y,
		1081	vt_width, vt_height);
		1082
		1083	#ifdef HAVE_BG_PIXMAP
		1084	if (bg_window_size_sensitive ())
		1085	update_background ();
		1086	#endif
		1087	}
		1088
936	if (fix_screen || R->old_height == 0) {	1089	if (fix_screen || old_height == 0)
937	int curr_screen = -1;	1090	scr_reset ();
938	uint16_t old_ncol = R->prev_ncol;
939
940	/* scr_reset only works on the primary screen */
941	if (R->old_height) /* this is not the first time through */
942	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
943	rxvt_scr_reset(aR);
944	if (curr_screen >= 0) { /* this is not the first time through */
945	rxvt_scr_change_screen(aR_ curr_screen);
946	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
947	}
948	}
949
950	R->old_width = R->szHint.width;
951	R->old_height = R->szHint.height;
952		1091
953	#ifdef USE_XIM	1092	#ifdef USE_XIM
954	rxvt_IMSetStatusPosition(aR);	1093	im_set_position ();
955	#endif	1094	#endif
956	}	1095	}
957		1096
958	/*	1097	/*
959	* Set the width/height of the vt window in characters. Units are pixels.	1098	* Set the width/height of the vt window in characters. Units are pixels.
960	* good for toggling 80/132 columns	1099	* good for toggling 80/132 columns
961	*/	1100	*/
962	/* EXTPROTO */
963	void	1101	void
964	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1102	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965	{	1103	{
966	XWindowAttributes wattr;	1104	XWindowAttributes wattr;
967		1105
968	if (width == 0 || height == 0) {	1106	if (newwidth == 0 || newheight == 0)
		1107	{
969	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1108	XGetWindowAttributes (dpy, display->root, &wattr);
		1109
970	if (width == 0)	1110	if (newwidth == 0)
971	width = wattr.width - R->szHint.base_width;	1111	newwidth = wattr.width - szHint.base_width;
972	if (height == 0)	1112	if (newheight == 0)
973	height = wattr.height - R->szHint.base_height;	1113	newheight = wattr.height - szHint.base_height;
		1114	}
		1115
		1116	if (newwidth != vt_width || newheight != vt_height)
974	}	1117	{
975	if (width != R->TermWin.width || height != R->TermWin.height) {
976	width += R->szHint.base_width;	1118	newwidth += szHint.base_width;
977	height += R->szHint.base_height;	1119	newheight += szHint.base_height;
978	rxvt_resize_all_windows(aR_ width, height, 0);	1120	resize_all_windows (newwidth, newheight, 0);
979	}	1121	}
980	}	1122	}
981		1123
982	/* -------------------------------------------------------------------- *	1124	/* -------------------------------------------------------------------- *
983	* - X INPUT METHOD ROUTINES - *	1125	* - X INPUT METHOD ROUTINES - *
984	* -------------------------------------------------------------------- */	1126	* -------------------------------------------------------------------- */
985	#ifdef USE_XIM	1127	#ifdef USE_XIM
986	/* INTPROTO */
987	void
988	rxvt_setSize(pR_ XRectangle * size)
989	{
990	size->x = R->TermWin.int_bwidth;
991	size->y = R->TermWin.int_bwidth;
992	size->width = Width2Pixel(R->TermWin.ncol);
993	size->height = Height2Pixel(R->TermWin.nrow);
994	}
995		1128
996	/* INTPROTO */
997	void	1129	void
998	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1130	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999	{	1131	{
1000	*fg = R->PixColors[Color_fg];	1132	fg = pix_colors [Color_fg];
1001	*bg = R->PixColors[Color_bg];	1133	bg = pix_colors [Color_bg];
		1134	}
		1135
		1136	void
		1137	rxvt_term::im_set_size (XRectangle &size)
		1138	{
		1139	// the int_bwidth terms make no sense to me
		1140	size.x = int_bwidth;
		1141	size.y = int_bwidth;
		1142	size.width = Width2Pixel (ncol) + int_bwidth;
		1143	size.height = Height2Pixel (nrow) + int_bwidth;
		1144	}
		1145
		1146	void
		1147	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1148	XRectangle &status_rect,
		1149	const XRectangle &needed_rect)
		1150	{
		1151	preedit_rect.x = needed_rect.width;
		1152	preedit_rect.y = 0;
		1153	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1154	preedit_rect.height = fheight;
		1155
		1156	status_rect.x = 0;
		1157	status_rect.y = 0;
		1158	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1159	status_rect.height = fheight;
1002	}	1160	}
1003		1161
1004	/* Checking whether input method is running. */	1162	/* Checking whether input method is running. */
1005	/* INTPROTO */
1006	Bool	1163	bool
1007	rxvt_IMisRunning(pR)	1164	rxvt_term::im_is_running ()
1008	{	1165	{
1009	char *p;	1166	Atom atom;
1010	Atom atom;	1167	Window win;
1011	Window win;
1012	char server[IMBUFSIZ];	1168	char server[IMBUFSIZ];
1013		1169
1014	/* get current locale modifier */	1170	/* get current locale modifier */
1015	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1171	if (char *p = XSetLocaleModifiers (0))
		1172	{
1016	STRCPY(server, "@server=");	1173	strcpy (server, "@server=");
1017	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1174	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1175
1018	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1176	if (p = strchr (server + 1, '@')) /* first one only */
1019	*p = '\0';	1177	*p = '\0';
1020		1178
1021	atom = XInternAtom(R->Xdisplay, server, False);	1179	atom = XInternAtom (dpy, server, False);
1022	win = XGetSelectionOwner(R->Xdisplay, atom);	1180	win = XGetSelectionOwner (dpy, atom);
		1181
1023	if (win != None)	1182	if (win != None)
1024	return True;	1183	return true;
1025	}	1184	}
		1185
1026	return False;	1186	return false;
1027	}	1187	}
1028		1188
1029	/* EXTPROTO */
1030	void	1189	void
1031	rxvt_IMSendSpot(pR)	1190	rxvt_term::im_send_spot ()
1032	{	1191	{
1033	XPoint spot;	1192	XPoint nspot;
1034	XVaNestedList preedit_attr;	1193	XVaNestedList preedit_attr;
1035		1194
1036	if (R->Input_Context == NULL	1195	if (!Input_Context
1037	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1196	|| !focus
1038	|| !(R->event_type == KeyPress	1197	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1039	|| R->event_type == Expose
1040	|| R->event_type == NoExpose
1041	|| R->event_type == SelectionNotify
1042	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1043	|| !rxvt_IMisRunning(aR))
1044	return;	1198	return;
1045		1199
1046	rxvt_setPosition(aR_ & spot);	1200	im_set_position (nspot);
1047		1201
		1202	if (nspot.x == spot.x && nspot.y == spot.y)
		1203	return;
		1204
		1205	spot = nspot;
		1206
1048	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1207	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1208	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050	XFree(preedit_attr);	1209	XFree (preedit_attr);
1051	}	1210	}
1052		1211
1053	/* EXTPROTO */
1054	void	1212	void
1055	rxvt_setTermFontSet(pR_ int idx)	1213	rxvt_term::im_destroy ()
1056	{	1214	{
1057	char *string;	1215	if (input_method)
1058	long length;	1216	{
1059	int success = 0;	1217	if (Input_Context && input_method->xim)
		1218	XDestroyIC (Input_Context);
1060		1219
1061	if (idx < 0 || idx >= MAX_NFONTS)	1220	display->put_xim (input_method);
1062	return;	1221	input_method = 0;
1063	}	1222	}
1064		1223
1065	/* INTPROTO */
1066	void
1067	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1068	XRectangle * needed_rect)
1069	{
1070	int mbh, vtx = 0;
1071
1072	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1073	vtx = scrollbar_TotalWidth();
1074	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1075	mbh -= R->TermWin.lineSpace;
1076
1077	preedit_rect->x = needed_rect->width + vtx;
1078	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1079
1080	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1081	+ vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width
1088	: Width2Pixel(R->TermWin.ncol + 1);
1089	status_rect->height = Height2Pixel(1);
1090	}
1091
1092	/* ARGSUSED */
1093	/* INTPROTO */
1094	void
1095	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1096	__attribute__ ((unused)), XPointer call_data
1097	__attribute__ ((unused)))
1098	{
1099	dR;
1100
1101	R->Input_Context = NULL;	1224	Input_Context = 0;
1102	/* To avoid Segmentation Fault in C locale: Solaris only? */
1103	if (STRCMP(R->locale, "C"))
1104	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1105	rxvt_IMInstantiateCallback, NULL);
1106	}	1225	}
1107		1226
1108	/*	1227	#ifdef ENABLE_XIM_ONTHESPOT
1109	* X manual pages and include files don't match on some systems:
1110	* some think this is an XIDProc and others an XIMProc so we can't
1111	* use the first argument - need to update this to be nice for
1112	* both types via some sort of configure detection
1113	*/
1114	/* ARGSUSED */
1115	/* EXTPROTO */
1116	void
1117	rxvt_IMInstantiateCallback(Display * unused
1118	__attribute__ ((unused)), XPointer client_data
1119	__attribute__ ((unused)), XPointer call_data
1120	__attribute__ ((unused)))
1121	{
1122	dR;
1123	int i, found, had_im;
1124	const char *p;
1125	char **s;
1126	char buf[IMBUFSIZ];
1127		1228
1128	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1229	static void
1129	if (R->Input_Context)	1230	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1130	return;	1231	{
		1232	((rxvt_term *)client_data)->make_current ();
		1233	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1234	}
1131		1235
1132	found = had_im = 0;	1236	static void
1133	p = R->rs[Rs_inputMethod];	1237	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1134	if (p && *p) {	1238	{
1135	had_im = 1;	1239	((rxvt_term *)client_data)->make_current ();
1136	s = rxvt_splitcommastring(p);	1240	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1137	for (i = 0; s[i]; i++) {	1241	}
1138	if (*s[i]) {	1242
1139	STRCPY(buf, "@im=");	1243	static void
1140	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1244	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1141	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1245	{
1142	&& (rxvt_IM_get_IC(aR) == True)) {	1246	rxvt_term *term = (rxvt_term *)client_data;
1143	found = 1;	1247	XIMText *text = call_data->text;
1144	break;	1248
1145	}	1249	term->make_current ();
1146	}	1250
		1251	if (text)
		1252	{
		1253	wchar_t *str;
		1254
		1255	if (!text->encoding_is_wchar && text->string.multi_byte)
		1256	{
		1257	// of course, X makes it ugly again
		1258	if (term->rs[Rs_imLocale])
		1259	SET_LOCALE (term->rs[Rs_imLocale]);
		1260
		1261	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1262	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1263
		1264	if (term->rs[Rs_imLocale])
		1265	SET_LOCALE (term->locale);
1147	}	1266	}
1148	for (i = 0; s[i]; i++)	1267	else
1149	free(s[i]);	1268	str = text->string.wide_char;
1150	free(s);
1151	}
1152	if (found)
1153	return;
1154		1269
1155	/* try with XMODIFIERS env. var. */	1270	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1156	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1271	DT_INT, call_data->caret,
1157	rxvt_IM_get_IC(aR);	1272	DT_INT, call_data->chg_first,
1158	return;	1273	DT_INT, call_data->chg_length,
		1274	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1275	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1276	DT_END));
1159	}	1277	}
1160		1278	else
1161	/* try with no modifiers base IF the user didn't specify an IM */	1279	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1162	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1280	DT_INT, call_data->caret,
1163	&& rxvt_IM_get_IC(aR) == True)	1281	DT_INT, call_data->chg_first,
1164	return;	1282	DT_INT, call_data->chg_length,
		1283	DT_END));
1165	}	1284	}
		1285
		1286	#if 0
		1287	static void
		1288	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1289	{
		1290	((rxvt_term *)client_data)->make_current ();
		1291	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1292	DT_INT, call_data->position,
		1293	DT_INT, call_data->direction,
		1294	DT_INT, call_data->style,
		1295	DT_END));
		1296	}
		1297	#endif
		1298
		1299	#endif
1166		1300
1167	/*	1301	/*
1168	* Try to open a XIM with the current modifiers, then see if we can	1302	* Try to open a XIM with the current modifiers, then see if we can
1169	* open a suitable preedit type	1303	* open a suitable preedit type
1170	*/	1304	*/
1171	/* INTPROTO */
1172	Bool	1305	bool
1173	rxvt_IM_get_IC(pR)	1306	rxvt_term::im_get_ic (const char *modifiers)
1174	{	1307	{
1175	int i, j, found;	1308	int i, j, found;
1176	XIM xim;	1309	XIM xim;
1177	XPoint spot;	1310	XPoint spot;
1178	XRectangle rect, status_rect, needed_rect;	1311	XRectangle rect, status_rect, needed_rect;
1179	unsigned long fg, bg;	1312	unsigned long fg, bg;
1180	const char *p;	1313	const char *p;
1181	char **s;	1314	char **s;
1182	XIMStyles *xim_styles;	1315	XIMStyles *xim_styles;
1183	XVaNestedList preedit_attr, status_attr;
1184	XIMCallback ximcallback;
1185		1316
1186	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1317	set_environ (envv);
1187	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1318
1188	if (xim == NULL)	1319	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1189	return False;	1320	return false;
1190		1321
		1322	input_method = display->get_xim (locale, modifiers);
		1323	if (input_method == NULL)
		1324	return false;
		1325
		1326	xim = input_method->xim;
		1327	spot.x = spot.y = -1;
		1328
1191	xim_styles = NULL;	1329	xim_styles = NULL;
1192	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1330	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193	|| !xim_styles || !xim_styles->count_styles) {	1331	|| !xim_styles || !xim_styles->count_styles)
1194	XCloseIM(xim);	1332	{
		1333	im_destroy ();
1195	return False;	1334	return false;
		1335	}
		1336
		1337	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1338
		1339	for (int pi = 0; pi < 2; pi++)
1196	}	1340	{
		1341	p = pet[pi];
1197		1342
1198	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1343	if (!p)
1199	: "OverTheSpot,OffTheSpot,Root";	1344	continue;
1200	s = rxvt_splitcommastring(p);	1345
		1346	s = rxvt_strsplit (',', p);
		1347
1201	for (i = found = 0; !found && s[i]; i++) {	1348	for (i = found = 0; !found && s[i]; i++)
		1349	{
1202	if (!STRCMP(s[i], "OverTheSpot"))	1350	if (!strcmp (s[i], "OverTheSpot"))
1203	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1351	input_style = XIMPreeditPosition | XIMStatusNothing;
1204	else if (!STRCMP(s[i], "OffTheSpot"))	1352	else if (!strcmp (s[i], "OffTheSpot"))
1205	R->input_style = (XIMPreeditArea | XIMStatusArea);	1353	input_style = XIMPreeditArea | XIMStatusArea;
1206	else if (!STRCMP(s[i], "Root"))	1354	else if (!strcmp (s[i], "Root"))
1207	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1355	input_style = XIMPreeditNothing | XIMStatusNothing;
		1356	else if (!strcmp (s[i], "None"))
		1357	input_style = XIMPreeditNone | XIMStatusNone;
		1358	#ifdef ENABLE_XIM_ONTHESPOT
		1359	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1360	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1361	#endif
		1362	else
		1363	input_style = XIMPreeditNothing | XIMStatusNothing;
1208		1364
1209	for (j = 0; j < xim_styles->count_styles; j++)	1365	for (j = 0; j < xim_styles->count_styles; j++)
1210	if (R->input_style == xim_styles->supported_styles[j]) {	1366	if (input_style == xim_styles->supported_styles[j])
		1367	{
		1368	rxvt_free_strsplit (s);
		1369
1211	found = 1;	1370	found = 1;
		1371	goto foundpet;
		1372	}
		1373
		1374	}
		1375
		1376	rxvt_free_strsplit (s);
		1377	}
		1378
		1379	foundpet:
		1380
		1381	XFree (xim_styles);
		1382
		1383	if (!found)
		1384	{
		1385	im_destroy ();
		1386	return false;
		1387	}
		1388
		1389	XFontSet fs = 0;
		1390	XVaNestedList preedit_attr = 0, status_attr = 0;
		1391
		1392	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1393	{
		1394	// fake us a font-set, please
		1395	char **missing_charset_list;
		1396	int missing_charset_count;
		1397	char *def_string;
		1398	char pat[512];
		1399
		1400	sprintf (pat,
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1406	"*",
		1407	fheight,
		1408	fheight + 1, fheight - 1,
		1409	fheight - 2, fheight + 2);
		1410
		1411	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1412	&missing_charset_list, &missing_charset_count, &def_string);
		1413
		1414	if (missing_charset_list)
		1415	XFreeStringList (missing_charset_list);
		1416
		1417	if (!fs)
		1418	{
		1419	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1420	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1421	}
		1422	}
		1423
		1424	if (input_style & XIMPreeditPosition)
		1425	{
		1426	im_set_size (rect);
		1427	im_set_position (spot);
		1428	im_set_color (fg, bg);
		1429
		1430	preedit_attr = XVaCreateNestedList (0,
		1431	XNForeground, fg,
		1432	XNBackground, bg,
		1433	XNArea, &rect,
		1434	XNSpotLocation, &spot,
		1435	XNFontSet, fs,
		1436	NULL);
		1437	}
		1438	else if (input_style & XIMPreeditArea)
		1439	{
		1440	im_set_color (fg, bg);
		1441
		1442	/*
		1443	* The necessary width of preedit area is unknown
		1444	* until create input context.
		1445	*/
		1446	needed_rect.width = 0;
		1447	im_set_preedit_area (rect, status_rect, needed_rect);
		1448
		1449	preedit_attr = XVaCreateNestedList (0,
		1450	XNForeground, fg,
		1451	XNBackground, bg,
		1452	XNArea, &rect,
		1453	XNFontSet, fs,
		1454	NULL);
		1455	status_attr = XVaCreateNestedList (0,
		1456	XNForeground, fg,
		1457	XNBackground, bg,
		1458	XNArea, &status_rect,
		1459	XNFontSet, fs,
		1460	NULL);
		1461	}
		1462	#if ENABLE_XIM_ONTHESPOT
		1463	else if (input_style & XIMPreeditCallbacks)
		1464	{
		1465	XIMCallback xcb[4];
		1466
		1467	im_set_position (spot);
		1468
		1469	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1470	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1471	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1472	# if 0
		1473	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1474	# endif
		1475
		1476	preedit_attr = XVaCreateNestedList (0,
		1477	XNSpotLocation, &spot,
		1478	XNPreeditStartCallback, &xcb[0],
		1479	XNPreeditDoneCallback , &xcb[1],
		1480	XNPreeditDrawCallback , &xcb[2],
		1481	# if 0
		1482	XNPreeditCaretCallback, &xcb[3],
		1483	# endif
		1484	NULL);
		1485	}
		1486	#endif
		1487
		1488	Input_Context = XCreateIC (xim,
		1489	XNInputStyle, input_style,
		1490	XNClientWindow, vt,
		1491	XNFocusWindow, parent,
		1492	preedit_attr ? XNPreeditAttributes : NULL,
		1493	preedit_attr,
		1494	status_attr ? XNStatusAttributes : NULL,
		1495	status_attr, NULL);
		1496
		1497	if (preedit_attr) XFree (preedit_attr);
		1498	if (status_attr) XFree (status_attr);
		1499	if (fs) XFreeFontSet (dpy, fs);
		1500
		1501	if (Input_Context == NULL)
		1502	{
		1503	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1504	im_destroy ();
		1505	return false;
		1506	}
		1507
		1508	#if 0
		1509	// unfortunately, only the focus window is used by XIM, hard to fix
		1510	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1511	vt_select_input ();
		1512	#endif
		1513
		1514	im_set_position ();
		1515
		1516	return true;
		1517	}
		1518
		1519	void
		1520	rxvt_term::im_cb ()
		1521	{
		1522	int i;
		1523	const char *p;
		1524	char **s;
		1525	char buf[IMBUFSIZ];
		1526
		1527	make_current ();
		1528
		1529	im_destroy ();
		1530
		1531	if (Input_Context)
		1532	return;
		1533
		1534	if (rs[Rs_imLocale])
		1535	SET_LOCALE (rs[Rs_imLocale]);
		1536
		1537	p = rs[Rs_inputMethod];
		1538	if (p && *p)
		1539	{
		1540	bool found = false;
		1541
		1542	s = rxvt_strsplit (',', p);
		1543
		1544	for (i = 0; s[i]; i++)
		1545	{
		1546	if (*s[i])
		1547	{
		1548	strcpy (buf, "@im=");
		1549	strncat (buf, s[i], IMBUFSIZ - 5);
		1550	if (im_get_ic (buf))
		1551	{
		1552	found = true;
1212	break;	1553	break;
		1554	}
1213	}	1555	}
1214	}	1556	}
1215	for (i = 0; s[i]; i++)
1216	free(s[i]);
1217	free(s);
1218	XFree(xim_styles);
1219		1557
		1558	rxvt_free_strsplit (s);
		1559
1220	if (!found) {	1560	if (found)
1221	XCloseIM(xim);	1561	goto done;
1222	return False;
1223	}	1562	}
1224		1563
1225	ximcallback.callback = rxvt_IMDestroyCallback;	1564	/* try with XMODIFIERS env. var. */
		1565	if (im_get_ic (""))
		1566	goto done;
1226		1567
1227	/* XXX: not sure why we need this (as well as IC one below) */	1568	/* try with no modifiers base IF the user didn't specify an IM */
1228	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1569	if (im_get_ic ("@im=none"))
		1570	goto done;
1229		1571
1230	preedit_attr = status_attr = NULL;	1572	done:
1231		1573	if (rs[Rs_imLocale])
1232	if (R->input_style & XIMPreeditPosition) {	1574	SET_LOCALE (locale);
1233	rxvt_setSize(aR_ & rect);
1234	rxvt_setPosition(aR_ & spot);
1235	rxvt_setColor(aR_ & fg, &bg);
1236
1237	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1238	XNSpotLocation, &spot,
1239	XNForeground, fg, XNBackground, bg,
1240	//XNFontSet, R->TermWin.fontset,
1241	NULL);
1242	} else if (R->input_style & XIMPreeditArea) {
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	/*
1246	* The necessary width of preedit area is unknown
1247	* until create input context.
1248	*/
1249	needed_rect.width = 0;
1250
1251	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1252
1253	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, R->TermWin.fontset,
1256	NULL);
1257	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1258	XNForeground, fg, XNBackground, bg,
1259	//XNFontSet, R->TermWin.fontset,
1260	NULL);
1261	}
1262	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1263	XNClientWindow, R->TermWin.parent[0],
1264	XNFocusWindow, R->TermWin.parent[0],
1265	XNDestroyCallback, &ximcallback,
1266	preedit_attr ? XNPreeditAttributes : NULL,
1267	preedit_attr,
1268	status_attr ? XNStatusAttributes : NULL,
1269	status_attr, NULL);
1270	if (preedit_attr)
1271	XFree(preedit_attr);
1272	if (status_attr)
1273	XFree(status_attr);
1274	if (R->Input_Context == NULL) {
1275	rxvt_print_error("failed to create input context");
1276	XCloseIM(xim);
1277	return False;
1278	}
1279	if (R->input_style & XIMPreeditArea)
1280	rxvt_IMSetStatusPosition(aR);
1281	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1282	return True;
1283	}	1575	}
1284		1576
1285	/* EXTPROTO */
1286	void	1577	void
1287	rxvt_IMSetStatusPosition(pR)	1578	rxvt_term::im_set_position ()
1288	{	1579	{
1289	XRectangle preedit_rect, status_rect, *needed_rect;	1580	XRectangle preedit_rect, status_rect, *needed_rect;
1290	XVaNestedList preedit_attr, status_attr;	1581	XVaNestedList preedit_attr, status_attr;
1291		1582
1292	if (R->Input_Context == NULL	1583	if (!Input_Context
1293	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1584	|| !focus
1294	|| !rxvt_IMisRunning(aR))	1585	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1586	|| !im_is_running ())
1295	return;	1587	return;
1296		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	{
1297	/* Getting the necessary width of preedit area */	1599	/* Getting the necessary width of preedit area */
1298	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1600	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1601	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300	XFree(status_attr);	1602	XFree (status_attr);
1301		1603
1302	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1604	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1605	XFree (needed_rect);
1303		1606
1304	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306		1609
1307	XSetICValues(R->Input_Context,	1610	XSetICValues (Input_Context,
1308	XNPreeditAttributes, preedit_attr,	1611	XNPreeditAttributes, preedit_attr,
1309	XNStatusAttributes, status_attr, NULL);	1612	XNStatusAttributes, status_attr,
		1613	NULL);
1310		1614
		1615	XFree (status_attr);
		1616	}
		1617
1311	XFree(preedit_attr);	1618	XFree (preedit_attr);
1312	XFree(status_attr);
1313	}	1619	}
1314	#endif /* USE_XIM */	1620	#endif /* USE_XIM */
1315		1621
1316	/*----------------------------------------------------------------------*/	1622	void
1317	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	#ifdef HAVE_BG_PIXMAP
		1630
		1631	void
		1632	rxvt_term::update_background ()
		1633	{
		1634	if (update_background_ev.is_active ())
		1635	return;
		1636
		1637	bg_invalidate ();
		1638
		1639	if (!mapped)
		1640	return;
		1641
		1642	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1643
		1644	if (to_wait <= 0.)
		1645	bg_render ();
		1646	else
		1647	update_background_ev.start (to_wait);
		1648	}
		1649
		1650	void
		1651	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1652	{
		1653	make_current ();
		1654
		1655	update_background_ev.stop ();
		1656	bg_render ();
		1657	refresh_check ();
		1658	}
		1659
		1660	#endif /* HAVE_BG_PIXMAP */
1318		1661
1319	/*----------------------- end-of-file (C source) -----------------------*/	1662	/*----------------------- end-of-file (C source) -----------------------*/

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