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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.332 by sf-exg, Wed Jul 28 17:56:16 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.6 2003/11/25 17:11:33 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "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.end (); cc-- > v.begin (); )
		111	{
		112	if (cc->c1 == c1 && cc->c2 == c2)
		113	return COMPOSE_LO + (cc - v.begin ());
		114	}
		115
		116	// allocate a new combination
		117	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		118	{
		119	static int seen;
		120
		121	if (!seen++)
		122	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		123
		124	return REPLACEMENT_CHAR;
		125	}
		126
		127	v.push_back (compose_char (c1, c2));
		128
		129	return v.size () - 1 + COMPOSE_LO;
		130	}
		131
		132	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		133	{
		134	compose_char *cc = (*this)[c];
		135
		136	if (!cc)
		137	{
		138	if (r) *r = c;
		139	return 1;
		140	}
		141
		142	int len = expand (cc->c1, r);
		143
		144	if (r) r += len;
		145
		146	if (cc->c2 != NOCHAR)
		147	{
		148	len++;
		149	if (r) *r++ = cc->c2;
		150	}
		151
53	return p;	152	return len;
54	}
55		153
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	154	}
		155	#endif
61		156
62	rxvt_term::rxvt_term ()	157	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	158	{
		159	#if HAVE_BG_PIXMAP
		160	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		161	#endif
64	#ifdef CURSOR_BLINK	162	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	163	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		164	#endif
		165	#ifdef TEXT_BLINK
		166	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		167	#endif
		168	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		169	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		170	#endif
		171	#ifdef SELECTION_SCROLLING
		172	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		173	#endif
		174	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		175	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		176	#endif
		177	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		178	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		179	#endif
		180	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		181	#ifdef USE_XIM
		182	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	183	#endif
67	#ifdef POINTER_BLANK	184	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	185	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	186	#endif
70	x_ev (this, &rxvt_term::x_cb)	187	#ifndef NO_BELL
71	{	188	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		189	#endif
		190	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		191	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		192	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		193	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		194	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		195	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		196	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		197
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	198	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		199
		200	termlist.push_back (this);
		201
		202	#ifdef KEYSYM_RESOURCE
		203	keyboard = new keyboard_manager;
		204	#endif
		205	}
		206
		207	// clean up the most important stuff, do *not* call x or free mem etc.
		208	// for use before an emergency exit
		209	void
		210	rxvt_term::emergency_cleanup ()
		211	{
		212	if (cmd_pid)
		213	kill (-cmd_pid, SIGHUP);
		214
		215	pty_ev.stop ();
		216	delete pty; pty = 0;
73	}	217	}
74		218
75	rxvt_term::~rxvt_term ()	219	rxvt_term::~rxvt_term ()
76	{	220	{
77	delete PixColors;	221	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		222
80	/*----------------------------------------------------------------------*/	223	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		224
89	if (!R->init_vars () || !R->init (argc, argv))	225	#if ENABLE_STYLES
90	{	226	for (int i = RS_styleCount; --i; )
91	delete R;	227	if (fontset[i] != fontset[0])
92	return NULL;	228	delete fontset[i];
		229	#endif
		230	delete fontset[0];
		231
		232	#ifdef HAVE_BG_PIXMAP
		233	bgPixmap.destroy ();
		234	#endif
		235	#ifdef HAVE_AFTERIMAGE
		236	if (asv)
		237	destroy_asvisual (asv, 0);
		238	if (asimman)
		239	destroy_image_manager (asimman, 0);
		240	#endif
		241
		242	if (display)
93	}	243	{
		244	selection_clear ();
		245	selection_clear (true);
94		246
		247	#ifdef USE_XIM
		248	im_destroy ();
		249	#endif
		250	scrollBar.destroy ();
		251	if (gc) XFreeGC (dpy, gc);
		252
		253	delete drawable;
		254	// destroy all windows
		255	if (parent[0])
		256	XDestroyWindow (dpy, parent[0]);
		257
		258	for (int i = 0; i < TOTAL_COLORS; i++)
		259	if (ISSET_PIXCOLOR (i))
		260	{
		261	pix_colors_focused [i].free (this);
		262	#if OFF_FOCUS_FADING
		263	pix_colors_unfocused [i].free (this);
		264	#endif
		265	}
		266
		267	clear ();
		268
		269	display->flush (); /* ideally .put should do this */
		270	displays.put (display);
		271	}
		272
		273	scr_release ();
		274
		275	/* clear all resources */
		276	for (int i = 0; i < allocated.size (); i++)
		277	free (allocated [i]);
		278
		279	free (selection.text);
		280	free (selection.clip_text);
		281	// TODO: manage env vars in child only(!)
		282	free (env_display);
		283	free (env_term);
		284	free (locale);
		285	free (v_buffer);
		286	free (incr_buf);
		287
		288	delete envv;
		289	delete argv;
		290
		291	#ifdef KEYSYM_RESOURCE
		292	delete keyboard;
		293	#endif
		294	#ifndef NO_RESOURCES
		295	XrmDestroyDatabase (option_db);
		296	#endif
		297	}
		298
		299	// child has exited, usually destroys
		300	void
		301	rxvt_term::child_cb (ev::child &w, int status)
		302	{
		303	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		304
		305	cmd_pid = 0;
		306
		307	if (!option (Opt_hold))
		308	destroy ();
		309	}
		310
		311	void
		312	rxvt_term::destroy ()
		313	{
		314	if (destroy_ev.is_active ())
95	return R;	315	return;
96	}
97		316
98	bool	317	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
99	rxvt_term::init (int argc, const char *const *argv)
100	{
101	dR;//TODO (scrollbar, setidle)
102		318
103	/*	319	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	320	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	321	#endif
120	#ifdef HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif
124		322
125	rxvt_Create_Windows (this, argc, argv);	323	if (display)
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}	324	{
		325	#if USE_XIM
		326	im_ev.stop (display);
157	#endif	327	#endif
158	XMapWindow (Xdisplay, TermWin.vt);	328	scrollbar_ev.stop (display);
159	XMapWindow (Xdisplay, TermWin.parent[0]);	329	#if ENABLE_TRANSPARENCY || ENABLE_PERL
160		330	rootwin_ev.stop (display);
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	return true;
168	}
169
170	/* ------------------------------------------------------------------------- *
171	* SIGNAL HANDLING & EXIT HANDLER *
172	* ------------------------------------------------------------------------- */
173	/*
174	* Catch a SIGCHLD signal and exit if the direct child has died
175	*/
176	/* ARGSUSED */
177	/* EXTPROTO */
178	RETSIGTYPE
179	rxvt_Child_signal(int sig __attribute__ ((unused)))
180	{
181	dR;
182	int pid, save_errno = errno;
183
184	do {
185	errno = 0;
186	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
187
188	if (pid == R->cmd_pid)
189	exit(EXIT_SUCCESS);
190
191	errno = save_errno;
192	signal(SIGCHLD, rxvt_Child_signal);
193	}
194
195	/*
196	* Catch a fatal signal and tidy up before quitting
197	*/
198	/* EXTPROTO */
199	RETSIGTYPE
200	rxvt_Exit_signal(int sig)
201	{
202	signal(sig, SIG_DFL);
203	#ifdef DEBUG_CMD
204	rxvt_print_error("signal %d", sig);
205	#endif	331	#endif
206	rxvt_clean_exit();	332	incr_ev.stop ();
207	kill(getpid(), sig);	333	termwin_ev.stop (display);
208	}	334	vt_ev.stop (display);
209
210	/* ARGSUSED */
211	/* INTPROTO */
212	int
213	rxvt_xerror_handler(const Display * display
214	__attribute__ ((unused)), const XErrorEvent * event)
215	{
216	dR;
217
218	if (R->allowedxerror == -1) {
219	R->allowedxerror = event->error_code;
220	return 0; /* ignored anyway */
221	}	335	}
222	rxvt_print_error("XError: Request: %d . %d, Error: %d",	336
223	event->request_code, event->minor_code,	337	flush_ev.stop ();
224	event->error_code);	338	pty_ev.stop ();
225	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	339	#ifdef CURSOR_BLINK
226	exit(EXIT_FAILURE);	340	cursor_blink_ev.stop ();
227	/* NOTREACHED */	341	#endif
		342	#ifdef TEXT_BLINK
		343	text_blink_ev.stop ();
		344	#endif
		345	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		346	cont_scroll_ev.stop ();
		347	#endif
		348	#ifdef SELECTION_SCROLLING
		349	sel_scroll_ev.stop ();
		350	#endif
		351	#ifdef POINTER_BLANK
		352	pointer_ev.stop ();
		353	#endif
		354
		355	destroy_ev.start ();
		356	}
		357
		358	void
		359	rxvt_term::destroy_cb (ev::idle &w, int revents)
		360	{
		361	make_current ();
		362
		363	delete this;
228	}	364	}
229		365
230	/*----------------------------------------------------------------------*/	366	/*----------------------------------------------------------------------*/
231	/*	367	/*
232	* Exit gracefully, clearing the utmp entry and restoring tty attributes	368	* Exit gracefully, clearing the utmp entry and restoring tty attributes
233	* 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
234	*/	370	*/
235	/* EXTPROTO */	371	static XErrorHandler old_xerror_handler;
236	void
237	rxvt_clean_exit(void)
238	{
239	dR;
240		372
241	#ifdef DEBUG_SCREEN	373	static void
242	rxvt_scr_release(aR);	374	rxvt_emergency_cleanup ()
		375	{
		376	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		377	(*t)->emergency_cleanup ();
		378	}
		379
		380	#if !ENABLE_MINIMAL
		381	static void
		382	print_x_error (Display *dpy, XErrorEvent *event)
		383	{
		384	char buffer[BUFSIZ];
		385	char mesg[BUFSIZ];
		386	char number[32];
		387	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	}
243	#endif	427	#endif
244	#ifndef NO_SETOWNER_TTYDEV	428
245	rxvt_privileged_ttydev(aR_ RESTORE);	429	int
246	#endif	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
247	#ifdef UTMP_SUPPORT	431	{
248	rxvt_privileged_utmp(aR_ RESTORE);	432	if (GET_R->allowedxerror == -1)
249	#endif	433	GET_R->allowedxerror = event->error_code;
250	#ifdef USE_XIM	434	else
251	if (R->Input_Context != NULL) {
252	XDestroyIC(R->Input_Context);
253	R->Input_Context = NULL;
254	}	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);
255	#endif	442	#endif
256	}	443	}
257		444
258	/* ------------------------------------------------------------------------- *	445	return 0;
259	* MEMORY ALLOCATION WRAPPERS *	446	}
260	* ------------------------------------------------------------------------- */
261	/* EXTPROTO */
262	void *
263	rxvt_malloc(size_t size)
264	{
265	void *p;
266		447
267	p = malloc(size);	448	int
268	if (p)	449	rxvt_xioerror_handler (Display *display)
269	return p;	450	{
270		451	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	452	DisplayString (display));
272	rxvt_clean_exit();	453	rxvt_emergency_cleanup ();
273	exit(EXIT_FAILURE);	454	_exit (EXIT_FAILURE);
274	/* NOTREACHED */
275	}	455	}
276		456
277	/* EXTPROTO */	457	static struct sig_handlers
278	void *
279	rxvt_calloc(size_t number, size_t size)
280	{	458	{
281	void *p;	459	ev::sig sw_term, sw_int;
282		460
283	p = calloc(number, size);	461	/*
284	if (p)	462	* Catch a fatal signal and tidy up before quitting
285	return p;	463	*/
		464	void sig_term (ev::sig &w, int revents);
286		465
287	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	466	sig_handlers ()
288	rxvt_clean_exit();	467	{
289	exit(EXIT_FAILURE);	468	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
290	/* NOTREACHED */	469	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
291	}	470	}
		471	} sig_handlers;
292		472
293	/* EXTPROTO */
294	void *
295	rxvt_realloc(void *ptr, size_t size)
296	{
297	void *p;
298
299	if (ptr)
300	p = realloc(ptr, size);
301	else
302	p = malloc(size);
303	if (p)
304	return p;
305
306	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
307	rxvt_clean_exit();
308	exit(EXIT_FAILURE);
309	/* NOTREACHED */
310	}
311
312	/* ------------------------------------------------------------------------- *
313	* PRIVILEGED OPERATIONS *
314	* ------------------------------------------------------------------------- */
315	/* take care of suid/sgid super-user (root) privileges */
316	/* INTPROTO */
317	void	473	void
318	rxvt_privileges(pR_ int mode)	474	sig_handlers::sig_term (ev::sig &w, int revents)
319	{	475	{
320	#if ! defined(__CYGWIN32__)	476	rxvt_emergency_cleanup ();
321	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	477	w.stop ();
322	/* setreuid() is the poor man's setuid(), seteuid() */	478	kill (getpid (), w.signum);
323	# define seteuid(a) setreuid(-1, (a))	479	}
324	# define setegid(a) setregid(-1, (a))	480
325	# 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;
326	# endif	503	# endif
327	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
328	switch (mode) {	505	tio->c_cc[VREPRINT] = CRPRNT;
329	case IGNORE:
330	/*
331	* change effective uid/gid - not real uid/gid - so we can switch
332	* back to root later, as required
333	*/
334	seteuid(getuid());
335	setegid(getgid());
336	break;
337	case SAVE:
338	R->euid = geteuid();
339	R->egid = getegid();
340	break;
341	case RESTORE:
342	seteuid(R->euid);
343	setegid(R->egid);
344	break;
345	}
346	# else
347	switch (mode) {
348	case IGNORE:
349	setuid(getuid());
350	setgid(getgid());
351	/* FALLTHROUGH */
352	case SAVE:
353	/* FALLTHROUGH */
354	case RESTORE:
355	break;
356	}
357	# endif	506	# endif
358	#endif	507	# ifdef VDISCRD
359	}	508	tio->c_cc[VDISCRD] = CFLUSH;
360
361	#ifdef UTMP_SUPPORT
362	/* EXTPROTO */
363	void
364	rxvt_privileged_utmp(pR_ char action)
365	{
366	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
367	action, R->next_utmp_action, getpid()));
368	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
369	|| (R->Options & Opt_utmpInhibit)
370	|| R->ttydev == NULL || *R->ttydev == '\0')
371	return;
372
373	rxvt_privileges(aR_ RESTORE);
374	if (action == SAVE) {
375	R->next_utmp_action = RESTORE;
376	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
377	} else { /* action == RESTORE */
378	R->next_utmp_action = IGNORE;
379	rxvt_cleanutent(aR);
380	}
381	rxvt_privileges(aR_ IGNORE);
382	}
383	#endif
384
385	#ifndef NO_SETOWNER_TTYDEV
386	/* EXTPROTO */
387	void
388	rxvt_privileged_ttydev(pR_ char action)
389	{
390	D_MAIN((stderr,
391	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
392	action, R->next_tty_action, getpid()));
393	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
394	|| R->ttydev == NULL || *R->ttydev == '\0')
395	return;
396
397	rxvt_privileges(aR_ RESTORE);
398
399	if (action == SAVE) {
400	R->next_tty_action = RESTORE;
401	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
402	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
403	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
404	R->next_tty_action = IGNORE;
405	else
406	# endif	509	# endif
407	{	510	# ifdef VWERSE
408	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	511	tio->c_cc[VWERSE] = CWERASE;
409	chmod(R->ttydev, R->ttymode);
410	# ifdef HAVE_REVOKE
411	revoke(R->ttydev);
412	# endif	512	# endif
413	}	513	# ifdef VLNEXT
414	} else { /* action == RESTORE */	514	tio->c_cc[VLNEXT] = CLNEXT;
415	R->next_tty_action = IGNORE;
416	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
417	chmod(R->ttydev, R->ttyfd_stat.st_mode);
418	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
419	# else
420	chmod(R->ttydev,
421	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
422	chown(R->ttydev, 0, 0);
423	# endif	515	# endif
424	}
425		516
426	rxvt_privileges(aR_ IGNORE);	517	# if VMIN != VEOF
427		518	tio->c_cc[VMIN] = 1;
428	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
429	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
430	action == RESTORE ? "Restoring" : (action ==
431	SAVE ? "Saving" :
432	"UNKNOWN ERROR for"), R->ttydev,
433	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
434	R->ttyfd_stat.st_gid));
435	# endif	519	# endif
436	}	520	# if VTIME != VEOL
		521	tio->c_cc[VTIME] = 0;
437	#endif	522	# endif
		523
		524	/* input modes */
		525	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		526	# ifdef IMAXBEL
		527	| IMAXBEL
		528	# endif
		529	| IXON);
		530
		531	/* output modes */
		532	tio->c_oflag = (OPOST | ONLCR);
		533
		534	/* control modes */
		535	tio->c_cflag = (CS8 | CREAD);
		536
		537	/* local modes */
		538	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		539	# if defined (ECHOCTL) && defined (ECHOKE)
		540	| ECHOCTL | ECHOKE
		541	# endif
		542	| ECHOE | ECHOK);
		543	}
		544
		545	char **rxvt_environ; // startup environment
		546
		547	void
		548	rxvt_init ()
		549	{
		550	assert (("fontMask must not overlap other RS masks",
		551	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		552
		553	rxvt_get_ttymode (&rxvt_term::def_tio);
		554
		555	// get rid of stdin/stdout as we don't need them, to free resources
		556	dup2 (STDERR_FILENO, STDIN_FILENO);
		557	dup2 (STDERR_FILENO, STDOUT_FILENO);
		558
		559	ptytty::init ();
		560
		561	if (!ev_default_loop (0))
		562	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		563
		564	rxvt_environ = environ;
		565
		566	signal (SIGHUP, SIG_IGN);
		567	signal (SIGPIPE, SIG_IGN);
		568
		569	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		570	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		571
		572	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		573	// TODO: handle this with exceptions and tolerate the memory loss
		574	XSetIOErrorHandler (rxvt_xioerror_handler);
		575
		576	XrmInitialize ();
		577	}
438		578
439	/*----------------------------------------------------------------------*/	579	/*----------------------------------------------------------------------*/
440	/*	580	/*
441	* window size/position calculcations for XSizeHint and other storage.	581	* window size/position calculations for XSizeHint and other storage.
442	* if width/height are non-zero then override calculated width/height	582	* if width/height are non-zero then override calculated width/height
443	*/	583	*/
444	/* EXTPROTO */
445	void	584	void
446	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	585	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
447	{	586	{
448	short recalc_x, recalc_y;	587	short recalc_x, recalc_y;
449	int x, y, sb_w, mb_h, flags;	588	int x, y, flags;
450	unsigned int w, h;	589	unsigned int w, h;
451	unsigned int max_width, max_height;	590	unsigned int max_width, max_height;
452		591
453	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
454	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
455	R->szHint.height));
456	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	592	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
457	R->szHint.win_gravity = NorthWestGravity;	593	szHint.win_gravity = NorthWestGravity;
458	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	594	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
459		595
460	recalc_x = recalc_y = 0;	596	recalc_x = recalc_y = 0;
461	flags = 0;	597	flags = 0;
		598
462	if (!R->parsed_geometry) {	599	if (!parsed_geometry)
		600	{
463	R->parsed_geometry = 1;	601	parsed_geometry = 1;
		602
464	if (R->rs[Rs_geometry])	603	if (rs[Rs_geometry])
465	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	604	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		605
466	if (flags & WidthValue) {	606	if (flags & WidthValue)
467	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	607	{
		608	if (!w)
		609	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		610
		611	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
468	R->szHint.flags |= USSize;	612	szHint.flags |= USSize;
469	}	613	}
		614
470	if (flags & HeightValue) {	615	if (flags & HeightValue)
471	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	616	{
		617	if (!h)
		618	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		619
		620	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
472	R->szHint.flags |= USSize;	621	szHint.flags |= USSize;
473	}	622	}
		623
474	if (flags & XValue) {	624	if (flags & XValue)
		625	{
475	R->szHint.x = x;	626	szHint.x = x;
476	R->szHint.flags |= USPosition;	627	szHint.flags |= USPosition;
		628
477	if (flags & XNegative) {	629	if (flags & XNegative)
		630	{
478	recalc_x = 1;	631	recalc_x = 1;
479	R->szHint.win_gravity = NorthEastGravity;	632	szHint.win_gravity = NorthEastGravity;
480	}	633	}
481	}	634	}
		635
482	if (flags & YValue) {	636	if (flags & YValue)
		637	{
483	R->szHint.y = y;	638	szHint.y = y;
484	R->szHint.flags |= USPosition;	639	szHint.flags |= USPosition;
		640
485	if (flags & YNegative) {	641	if (flags & YNegative)
		642	{
486	recalc_y = 1;	643	recalc_y = 1;
		644
487	if (R->szHint.win_gravity == NorthEastGravity)	645	if (szHint.win_gravity == NorthEastGravity)
488	R->szHint.win_gravity = SouthEastGravity;	646	szHint.win_gravity = SouthEastGravity;
489	else	647	else
490	R->szHint.win_gravity = SouthWestGravity;	648	szHint.win_gravity = SouthWestGravity;
491	}	649	}
492	}	650	}
493	}	651	}
		652
494	/* TODO: BOUNDS */	653	/* TODO: BOUNDS */
495	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	654	width = ncol * fwidth;
496	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	655	height = nrow * fheight;
497	max_width = MAX_COLS * R->TermWin.fwidth;	656	max_width = MAX_COLS * fwidth;
498	max_height = MAX_ROWS * R->TermWin.fheight;	657	max_height = MAX_ROWS * fheight;
499		658
500	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	659	szHint.base_width = szHint.base_height = 2 * int_bwidth;
501		660
502	sb_w = mb_h = 0;
503	R->window_vt_x = R->window_vt_y = 0;	661	window_vt_x = window_vt_y = int_bwidth;
504	if (scrollbar_visible(R)) {	662
		663	if (scrollBar.state)
		664	{
505	sb_w = scrollbar_TotalWidth();	665	int sb_w = scrollBar.total_width ();
506	R->szHint.base_width += sb_w;	666	szHint.base_width += sb_w;
		667
507	if (!(R->Options & Opt_scrollBar_right))	668	if (!option (Opt_scrollBar_right))
508	R->window_vt_x = sb_w;	669	window_vt_x += sb_w;
509	}	670	}
510	if (menubar_visible(R)) {	671
511	mb_h = menuBar_TotalHeight();
512	R->szHint.base_height += mb_h;
513	R->window_vt_y = mb_h;
514	}
515	R->szHint.width_inc = R->TermWin.fwidth;	672	szHint.width_inc = fwidth;
516	R->szHint.height_inc = R->TermWin.fheight;	673	szHint.height_inc = fheight;
517	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	674	szHint.min_width = szHint.base_width + szHint.width_inc;
518	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	675	szHint.min_height = szHint.base_height + szHint.height_inc;
519		676
520	if (width && width - R->szHint.base_width < max_width) {	677	if (newwidth && newwidth - szHint.base_width < max_width)
		678	{
521	R->szHint.width = width;	679	szHint.width = newwidth;
522	R->TermWin.width = width - R->szHint.base_width;	680	width = newwidth - szHint.base_width;
523	} else {	681	}
524	MIN_IT(R->TermWin.width, max_width);	682	else
		683	{
		684	min_it (width, max_width);
525	R->szHint.width = R->szHint.base_width + R->TermWin.width;	685	szHint.width = szHint.base_width + width;
526	}	686	}
		687
527	if (height && height - R->szHint.base_height < max_height) {	688	if (newheight && newheight - szHint.base_height < max_height)
		689	{
528	R->szHint.height = height;	690	szHint.height = newheight;
529	R->TermWin.height = height - R->szHint.base_height;	691	height = newheight - szHint.base_height;
530	} else {	692	}
531	MIN_IT(R->TermWin.height, max_height);	693	else
		694	{
		695	min_it (height, max_height);
532	R->szHint.height = R->szHint.base_height + R->TermWin.height;	696	szHint.height = szHint.base_height + height;
533	}	697	}
534	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
535	R->window_sb_x = R->szHint.width - sb_w;
536		698
537	if (recalc_x)	699	if (recalc_x)
538	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	700	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
539	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	701
540	if (recalc_y)	702	if (recalc_y)
541	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	703	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
542	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
543		704
544	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	705	ncol = width / fwidth;
545	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	706	nrow = height / fheight;
546	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
547	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
548	R->szHint.height));
549	return;
550	}	707	}
551		708
552	/*----------------------------------------------------------------------*/	709	/*----------------------------------------------------------------------*/
553	/*	710	/*
554	* Tell the teletype handler what size the window is.	711	* Tell the teletype handler what size the window is.
555	* Called after a window size change.	712	* Called after a window size change.
556	*/	713	*/
557	/* EXTPROTO */
558	void	714	void
559	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	715	rxvt_term::tt_winch ()
560	{	716	{
		717	if (pty->pty < 0)
		718	return;
		719
561	struct winsize ws;	720	struct winsize ws;
562		721
563	if (fd < 0)
564	return;
565	ws.ws_col = col;	722	ws.ws_col = ncol;
566	ws.ws_row = row;	723	ws.ws_row = nrow;
567	ws.ws_xpixel = ws.ws_ypixel = 0;	724	ws.ws_xpixel = width;
568	#ifndef DEBUG_SIZE	725	ws.ws_ypixel = height;
569	(void)ioctl(fd, TIOCSWINSZ, &ws);	726	ioctl (pty->pty, TIOCSWINSZ, &ws);
570	#else	727
571	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	728	#if 0
572	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	729	// TIOCSWINSZ is supposed to do this automatically and correctly
573	}
574	# ifdef SIGWINCH
575	else if (pid) /* force through to the command */	730	if (cmd_pid) /* force through to the command */
576	kill(pid, SIGWINCH);	731	kill (-cmd_pid, SIGWINCH);
577	# endif
578	#endif	732	#endif
579	}	733	}
580		734
581	/*----------------------------------------------------------------------*/	735	/*----------------------------------------------------------------------*/
582	/* rxvt_change_font() - Switch to a new font */	736	/* set_fonts () - load and set the various fonts
583	/*	737	*
584	* init = 1 - initialize	738	* init = 1 - initialize
585	*	739	*
586	* fontname == FONT_UP - switch to bigger font	740	* fontname == FONT_UP - switch to bigger font
587	* fontname == FONT_DN - switch to smaller font	741	* fontname == FONT_DN - switch to smaller font
588	*/	742	*/
589	/* EXTPROTO */	743	bool
590	void	744	rxvt_term::set_fonts ()
591	rxvt_change_font(pR_ int init, const char *fontname)
592	{	745	{
593	}	746	rxvt_fontset *fs = new rxvt_fontset (this);
		747	rxvt_fontprop prop;
594		748
595	/* INTPROTO */	749	if (!fs
		750	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		751	|| !fs->realize_font (1))
		752	{
		753	delete fs;
		754	return false;
		755	}
		756
		757	#if ENABLE_STYLES
		758	for (int i = RS_styleCount; --i; )
		759	if (fontset[i] != fontset[0])
		760	delete fontset[i];
		761	#endif
		762
		763	delete fontset[0];
		764	fontset[0] = fs;
		765
		766	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		767	prop.height += lineSpace;
		768	prop.width += letterSpace;
		769
		770	fs->set_prop (prop, false);
		771
		772	fwidth = prop.width;
		773	fheight = prop.height;
		774	fbase = prop.ascent;
		775
		776	for (int style = 1; style < 4; style++)
		777	{
		778	#if ENABLE_STYLES
		779	const char *res = rs[Rs_font + style];
		780
		781	if (res && !*res)
		782	fontset[style] = fontset[0];
		783	else
		784	{
		785	fontset[style] = fs = new rxvt_fontset (this);
		786	rxvt_fontprop prop2 = prop;
		787
		788	if (res)
		789	{
		790	fs->populate (res);
		791	fs->set_prop (prop2, false);
		792	}
		793	else
		794	{
		795	fs->populate (fontset[0]->fontdesc);
		796
		797	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		798	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		799
		800	fs->set_prop (prop2, true);
		801	}
		802
		803	}
		804	#else
		805	fontset[style] = fontset[0];
		806	#endif
		807	}
		808
		809	if (parent[0])
		810	{
		811	resize_all_windows (0, 0, 0);
		812	scr_remap_chars ();
		813	scr_touch (true);
		814	}
		815
		816	return true;
		817	}
		818
596	void	819	void
597	rxvt_font_up_down(pR_ int n, int direction)	820	rxvt_term::set_string_property (Atom prop, const char *str, int len)
598	{	821	{
		822	XChangeProperty (dpy, parent[0],
		823	prop, XA_STRING, 8, PropModeReplace,
		824	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		825	}
		826
		827	void
		828	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		829	{
		830	XTextProperty ct;
		831
		832	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		833	{
		834	XSetTextProperty (dpy, parent[0], &ct, prop);
		835	XFree (ct.value);
		836	}
		837	}
		838
		839	void
		840	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		841	{
		842	wchar_t *ws = rxvt_mbstowcs (str, len);
		843	char *s = rxvt_wcstoutf8 (ws);
		844
		845	XChangeProperty (dpy, parent[0],
		846	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		847	(const unsigned char *)s, strlen (s));
		848
		849	free (s);
		850	free (ws);
599	}	851	}
600		852
601	/*----------------------------------------------------------------------*/	853	/*----------------------------------------------------------------------*/
602	/*----------------------------------------------------------------------*/	854	/*----------------------------------------------------------------------*/
603	/* xterm sequences - title, iconName, color (exptl) */	855	/* xterm sequences - title, iconName, color (exptl) */
604	/* EXTPROTO */
605	void	856	void
606	rxvt_set_title(pR_ const char *str)	857	rxvt_term::set_title (const char *str)
607	{	858	{
608	#ifndef SMART_WINDOW_TITLE	859	set_mbstring_property (XA_WM_NAME, str);
609	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	860	#if ENABLE_EWMH
610	#else	861	set_utf8_property (xa[XA_NET_WM_NAME], str);
611	char *name;
612
613	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
614	name = NULL;
615	if (name == NULL || STRCMP(name, str))
616	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
617	if (name)
618	XFree(name);
619	#endif	862	#endif
620	}	863	}
621		864
622	/* EXTPROTO */
623	void	865	void
624	rxvt_set_iconName(pR_ const char *str)	866	rxvt_term::set_icon_name (const char *str)
625	{	867	{
626	#ifndef SMART_WINDOW_TITLE	868	set_mbstring_property (XA_WM_ICON_NAME, str);
627	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	869	#if ENABLE_EWMH
628	#else	870	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
629	char *name;
630
631	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
632	name = NULL;
633	if (name == NULL || STRCMP(name, str))
634	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
635	if (name)
636	XFree(name);
637	#endif	871	#endif
638	}	872	}
639		873
		874	void
		875	rxvt_term::set_window_color (int idx, const char *color)
		876	{
640	#ifdef XTERM_COLOR_CHANGE	877	#ifdef XTERM_COLOR_CHANGE
641	/* EXTPROTO */
642	void
643	rxvt_set_window_color(pR_ int idx, const char *color)
644	{
645	rxvt_color xcol;	878	rxvt_color xcol;
646	int i;
647		879
648	if (color == NULL || *color == '\0')	880	if (color == NULL || *color == '\0')
649	return;	881	return;
650		882
		883	color = strdup (color);
		884	allocated.push_back ((void *)color);
		885	rs[Rs_color + idx] = color;
		886
651	/* handle color aliases */	887	/* handle color aliases */
652	if (isdigit(*color)) {	888	if (isdigit (*color))
		889	{
653	i = atoi(color);	890	int i = atoi (color);
654	if (i >= 8 && i <= 15) { /* bright colors */	891
655	i -= 8;	892	if (i >= 8 && i <= 15)
656	# ifndef NO_BRIGHTCOLOR	893	{
657	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	894	/* bright colors */
658	SET_PIXCOLOR(R, idx);	895	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
659	goto Done;	896	goto done;
660	# endif
661	}	897	}
662	if (i >= 0 && i <= 7) { /* normal colors */	898
663	R->PixColors[idx] = R->PixColors[minCOLOR + i];	899	if (i >= 0 && i <= 7)
664	SET_PIXCOLOR(R, idx);	900	{
		901	/* normal colors */
		902	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
665	goto Done;	903	goto done;
666	}	904	}
667	}	905	}
668	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
669	return;
670	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
671		906
672	/*	907	set_color (xcol, color);
		908
		909	/*
673	* FIXME: should free colors here, but no idea how to do it so instead,	910	* FIXME: should free colors here, but no idea how to do it so instead,
674	* so just keep gobbling up the colormap	911	* so just keep gobbling up the colormap
675	*/	912	*/
676	# if 0
677	for (i = Color_Black; i <= Color_White; i++)
678	if (R->PixColors[idx] == R->PixColors[i])
679	break;
680	if (i > Color_White) {
681	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
682	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
683	DisplayPlanes(R->Xdisplay, Xscreen));
684	}
685	# endif
686		913
687	R->PixColors[idx] = xcol;	914	pix_colors_focused[idx] = xcol;
688	SET_PIXCOLOR(R, idx);
689		915
690	/* XSetWindowAttributes attr; */	916	done:
691	/* Cursor cursor; */
692	Done:
693	if (idx == Color_bg && !(R->Options & Opt_transparent))
694	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
695	R->PixColors[Color_bg]);
696
697	/* handle Color_BD, scrollbar background, etc. */	917	/*TODO: handle Color_BD, scrollbar background, etc. */
698		918
699	rxvt_set_colorfgbg(aR);	919	update_fade_color (idx);
700	rxvt_recolour_cursor(aR);	920	recolour_cursor ();
701	/* the only reasonable way to enforce a clean update */	921	scr_recolour ();
702	rxvt_scr_poweron(aR);	922	#endif /* XTERM_COLOR_CHANGE */
703	}	923	}
704		924
705	#else
706	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
707	#endif /* XTERM_COLOR_CHANGE */
708
709	/* EXTPROTO */
710	void	925	void
711	rxvt_recolour_cursor(pR)	926	rxvt_term::recolour_cursor ()
712	{	927	{
713	rxvt_color xcol[2];	928	XColor fg, bg;
714		929
715	#if TODO	930	(ISSET_PIXCOLOR (Color_pointer_fg)
716	xcol[0] = R->PixColors[Color_pointer];	931	? pix_colors_focused[Color_pointer_fg]
717	xcol[1] = R->PixColors[Color_bg];	932	: pix_colors_focused[Color_fg]).get (fg);
718	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	933
719	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	934	(ISSET_PIXCOLOR (Color_pointer_bg)
720	#endif	935	? pix_colors_focused[Color_pointer_bg]
		936	: pix_colors_focused[Color_bg]).get (bg);
		937
		938	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
721	}	939	}
722		940
723	/*----------------------------------------------------------------------*/	941	/*----------------------------------------------------------------------*/
724	/*	942	/*
725	* find if fg/bg matches any of the normal (low-intensity) colors	943	* find if fg/bg matches any of the normal (low-intensity) colors
726	*/	944	*/
727	/* INTPROTO */
728	void	945	void
729	rxvt_set_colorfgbg(pR)	946	rxvt_term::set_colorfgbg ()
730	{	947	{
731	unsigned int i;	948	unsigned int i;
732	const char *xpmb = "\0";	949	const char *xpmb = "";
733	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	950	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
734		951
735	R->env_colorfgbg =	952	strcpy (fstr, "default");
736	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	953	strcpy (bstr, "default");
737	STRCPY(fstr, "default");
738	STRCPY(bstr, "default");
739	for (i = Color_Black; i <= Color_White; i++)	954	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[Color_fg] == R->PixColors[i]) {	955	if (pix_colors[Color_fg] == pix_colors[i])
		956	{
741	sprintf(fstr, "%d", (i - Color_Black));	957	sprintf (fstr, "%d", (i - Color_Black));
742	break;	958	break;
743	}	959	}
		960
744	for (i = Color_Black; i <= Color_White; i++)	961	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[Color_bg] == R->PixColors[i]) {	962	if (pix_colors[Color_bg] == pix_colors[i])
		963	{
746	sprintf(bstr, "%d", (i - Color_Black));	964	sprintf (bstr, "%d", (i - Color_Black));
747	#ifdef XPM_BACKGROUND	965	#ifdef BG_IMAGE_FROM_FILE
748	xpmb = "default;";	966	xpmb = "default;";
749	#endif	967	#endif
750	break;	968	break;
751	}	969	}
		970
752	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	971	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
753	putenv(R->env_colorfgbg);
754
755	#ifndef NO_BRIGHTCOLOR
756	R->colorfgbg = DEFAULT_RSTYLE;
757	for (i = minCOLOR; i <= maxCOLOR; i++) {
758	if (R->PixColors[Color_fg] == R->PixColors[i])
759	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
760	if (R->PixColors[Color_bg] == R->PixColors[i])
761	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
762	}
763	#endif
764	}	972	}
765		973
766	/*----------------------------------------------------------------------*/	974	/*----------------------------------------------------------------------*/
767	/*
768	* Colour determination for low colour displays, routine from
769	* Hans de Goede <hans@highrise.nl>
770	*/
771		975
772	/* EXTPROTO */	976	bool
773	int	977	rxvt_term::set_color (rxvt_color &color, const char *name)
774	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
775	{	978	{
776	screen_in_out->set(aR_ colour);	979	if (color.set (this, name))
777
778	if (!screen_in_out->set(aR_ colour)) {
779	rxvt_print_error("can't allocate colour: %s", colour);
780	return false;
781	}
782
783	return true;	980	return true;
		981
		982	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		983	return false;
		984	}
		985
		986	void
		987	rxvt_term::alias_color (int dst, int src)
		988	{
		989	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
784	}	990	}
785		991
786	/* -------------------------------------------------------------------- *	992	/* -------------------------------------------------------------------- *
787	* - WINDOW RESIZING - *	993	* - WINDOW RESIZING - *
788	* -------------------------------------------------------------------- */	994	* -------------------------------------------------------------------- */
789	/* EXTPROTO */
790	void	995	void
791	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	996	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
792	int ignoreparent)
793	{	997	{
794	int fix_screen;	998	int fix_screen;
		999	int old_width = szHint.width;
		1000	int old_height = szHint.height;
795		1001
		1002	window_calc (newwidth, newheight);
		1003
		1004	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1005
		1006	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1007	if (set_hint)
		1008	{
		1009	szHint.flags &= ~(PBaseSize | PResizeInc);
		1010	XSetWMNormalHints (dpy, parent[0], &szHint);
		1011	szHint.flags |= PBaseSize | PResizeInc;
		1012	}
		1013
		1014	if (!ignoreparent)
		1015	{
796	#ifdef SMART_RESIZE	1016	#ifdef SMART_RESIZE
797	int old_width = R->szHint.width, old_height = R->szHint.height;	1017	/*
798	#endif
799
800	rxvt_window_calc(aR_ width, height);
801	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
802	if (!ignoreparent) {
803	#ifdef SMART_RESIZE
804	/*
805	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1018	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
806	* reposition window on resize depending on placement on screen	1019	* reposition window on resize depending on placement on screen
807	*/	1020	*/
808	int x, y, x1, y1;	1021	int x, y, x1, y1;
809	int dx, dy;	1022	int dx, dy;
810	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1023	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
811	Window unused_cr;	1024	Window unused_cr;
812		1025
813	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1026	XTranslateCoordinates (dpy, parent[0], display->root,
814	0, 0, &x, &y, &unused_cr);	1027	0, 0, &x, &y, &unused_cr);
815	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1028	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
816	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1029	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
817	/*	1030	/*
818	* if Xroot isn't the parent window, a WM will probably have offset	1031	* if display->root isn't the parent window, a WM will probably have offset
819	* our position for handles and decorations. Counter it	1032	* our position for handles and decorations. Counter it
820	*/	1033	*/
821	if (x1 != x || y1 != y) {	1034	if (x1 != x || y1 != y)
		1035	{
822	x -= x1;	1036	x -= x1;
823	y -= y1;	1037	y -= y1;
824	}	1038	}
825		1039
826	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1040	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
827	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1041	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
828	dx = old_width - R->szHint.width;	1042	dx = old_width - szHint.width;
829	dy = old_height - R->szHint.height;	1043	dy = old_height - szHint.height;
830		1044
831	/* Check position of the center of the window */	1045	/* Check position of the center of the window */
832	if (x < x1) /* left half */	1046	if (x < x1) /* left half */
833	dx = 0;	1047	dx = 0;
834	else if (x == x1) /* exact center */	1048	else if (x == x1) /* exact center */
835	dx /= 2;	1049	dx /= 2;
836	if (y < y1) /* top half */	1050	if (y < y1) /* top half */
837	dy = 0;	1051	dy = 0;
838	else if (y == y1) /* exact center */	1052	else if (y == y1) /* exact center */
839	dy /= 2;	1053	dy /= 2;
840		1054
841	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1055	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
842	R->szHint.width, R->szHint.height);	1056	szHint.width, szHint.height);
843	#else	1057	#else
844	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1058	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
845	R->szHint.height);
846	#endif	1059	#endif
847	}	1060	}
848		1061
849	fix_screen = (R->TermWin.ncol != R->prev_ncol	1062	if (set_hint)
850	|| R->TermWin.nrow != R->prev_nrow);	1063	XSetWMNormalHints (dpy, parent[0], &szHint);
		1064
		1065	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1066
851	if (fix_screen || width != R->old_width || height != R->old_height) {	1067	if (fix_screen || newwidth != old_width || newheight != old_height)
852	if (scrollbar_visible(R)) {
853	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
854	0, scrollbar_TotalWidth(), R->szHint.height);
855	rxvt_Resize_scrollBar(aR);
856	}
857	if (menubar_visible(R))
858	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
859	0, TermWin_TotalWidth(), menuBar_TotalHeight());
860	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
861	R->window_vt_y, TermWin_TotalWidth(),
862	TermWin_TotalHeight());
863	#ifdef RXVT_GRAPHICS
864	if (R->old_height)
865	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
866	R->old_height - R->szHint.base_height);
867	#endif
868	rxvt_scr_clear(aR);
869	#ifdef XPM_BACKGROUND
870	rxvt_resize_pixmap(aR);
871	#endif
872	}	1068	{
		1069	if (scrollBar.state)
		1070	scrollBar.resize ();
873		1071
		1072	XMoveResizeWindow (dpy, vt,
		1073	window_vt_x, window_vt_y,
		1074	width, height);
		1075
		1076	#ifdef HAVE_BG_PIXMAP
		1077	if (bgPixmap.window_size_sensitive ())
		1078	update_background ();
		1079	#endif
		1080	}
		1081
874	if (fix_screen || R->old_height == 0) {	1082	if (fix_screen || old_height == 0)
875	int curr_screen = -1;	1083	scr_reset ();
876	uint16_t old_ncol = R->prev_ncol;
877		1084
878	/* scr_reset only works on the primary screen */	1085	#ifdef HAVE_BG_PIXMAP
879	if (R->old_height) /* this is not the first time through */	1086	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
880	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1087	// if (bgPixmap.pixmap)
881	rxvt_scr_reset(aR);	1088	// scr_touch (false);
882	if (curr_screen >= 0) { /* this is not the first time through */	1089	#endif
883	rxvt_scr_change_screen(aR_ curr_screen);
884	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
885	}
886	}
887
888	R->old_width = R->szHint.width;
889	R->old_height = R->szHint.height;
890		1090
891	#ifdef USE_XIM	1091	#ifdef USE_XIM
892	rxvt_IMSetStatusPosition(aR);	1092	IMSetPosition ();
893	#endif	1093	#endif
894	}	1094	}
895		1095
896	/*	1096	/*
897	* Set the width/height of the vt window in characters. Units are pixels.	1097	* Set the width/height of the vt window in characters. Units are pixels.
898	* good for toggling 80/132 columns	1098	* good for toggling 80/132 columns
899	*/	1099	*/
900	/* EXTPROTO */
901	void	1100	void
902	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1101	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
903	{	1102	{
904	XWindowAttributes wattr;	1103	XWindowAttributes wattr;
905		1104
906	if (width == 0 || height == 0) {	1105	if (newwidth == 0 || newheight == 0)
		1106	{
907	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1107	XGetWindowAttributes (dpy, display->root, &wattr);
		1108
908	if (width == 0)	1109	if (newwidth == 0)
909	width = wattr.width - R->szHint.base_width;	1110	newwidth = wattr.width - szHint.base_width;
910	if (height == 0)	1111	if (newheight == 0)
911	height = wattr.height - R->szHint.base_height;	1112	newheight = wattr.height - szHint.base_height;
		1113	}
		1114
		1115	if (newwidth != width || newheight != height)
912	}	1116	{
913	if (width != R->TermWin.width || height != R->TermWin.height) {
914	width += R->szHint.base_width;	1117	newwidth += szHint.base_width;
915	height += R->szHint.base_height;	1118	newheight += szHint.base_height;
916	rxvt_resize_all_windows(aR_ width, height, 0);	1119	resize_all_windows (newwidth, newheight, 0);
917	}	1120	}
918	}	1121	}
919		1122
920	/* -------------------------------------------------------------------- *	1123	/* -------------------------------------------------------------------- *
921	* - X INPUT METHOD ROUTINES - *	1124	* - X INPUT METHOD ROUTINES - *
922	* -------------------------------------------------------------------- */	1125	* -------------------------------------------------------------------- */
923	#ifdef USE_XIM	1126	#ifdef USE_XIM
924	/* INTPROTO */
925	void
926	rxvt_setSize(pR_ XRectangle * size)
927	{
928	size->x = R->TermWin.int_bwidth;
929	size->y = R->TermWin.int_bwidth;
930	size->width = Width2Pixel(R->TermWin.ncol);
931	size->height = Height2Pixel(R->TermWin.nrow);
932	}
933		1127
934	/* INTPROTO */
935	void	1128	void
936	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1129	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
937	{	1130	{
938	*fg = R->PixColors[Color_fg];	1131	fg = pix_colors [Color_fg];
939	*bg = R->PixColors[Color_bg];	1132	bg = pix_colors [Color_bg];
		1133	}
		1134
		1135	void
		1136	rxvt_term::im_set_size (XRectangle &size)
		1137	{
		1138	// the int_bwidth terms make no sense to me
		1139	size.x = int_bwidth;
		1140	size.y = int_bwidth;
		1141	size.width = Width2Pixel (ncol) + int_bwidth;
		1142	size.height = Height2Pixel (nrow) + int_bwidth;
		1143	}
		1144
		1145	void
		1146	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1147	XRectangle &status_rect,
		1148	const XRectangle &needed_rect)
		1149	{
		1150	preedit_rect.x = needed_rect.width;
		1151	preedit_rect.y = 0;
		1152	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1153	preedit_rect.height = fheight;
		1154
		1155	status_rect.x = 0;
		1156	status_rect.y = 0;
		1157	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1158	status_rect.height = fheight;
940	}	1159	}
941		1160
942	/* Checking whether input method is running. */	1161	/* Checking whether input method is running. */
943	/* INTPROTO */
944	Bool	1162	bool
945	rxvt_IMisRunning(pR)	1163	rxvt_term::IMisRunning ()
946	{	1164	{
947	char *p;	1165	Atom atom;
948	Atom atom;	1166	Window win;
949	Window win;
950	char server[IMBUFSIZ];	1167	char server[IMBUFSIZ];
951		1168
952	/* get current locale modifier */	1169	/* get current locale modifier */
953	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1170	if (char *p = XSetLocaleModifiers (0))
		1171	{
954	STRCPY(server, "@server=");	1172	strcpy (server, "@server=");
955	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1173	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1174
956	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1175	if (p = strchr (server + 1, '@')) /* first one only */
957	*p = '\0';	1176	*p = '\0';
958		1177
959	atom = XInternAtom(R->Xdisplay, server, False);	1178	atom = XInternAtom (dpy, server, False);
960	win = XGetSelectionOwner(R->Xdisplay, atom);	1179	win = XGetSelectionOwner (dpy, atom);
		1180
961	if (win != None)	1181	if (win != None)
962	return True;	1182	return True;
963	}	1183	}
		1184
964	return False;	1185	return False;
965	}	1186	}
966		1187
967	/* EXTPROTO */
968	void	1188	void
969	rxvt_IMSendSpot(pR)	1189	rxvt_term::IMSendSpot ()
970	{	1190	{
971	XPoint spot;	1191	XPoint nspot;
972	XVaNestedList preedit_attr;	1192	XVaNestedList preedit_attr;
973		1193
974	if (R->Input_Context == NULL	1194	if (!Input_Context
975	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1195	|| !focus
976	|| !(R->event_type == KeyPress	1196	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
977	|| R->event_type == Expose
978	|| R->event_type == NoExpose
979	|| R->event_type == SelectionNotify
980	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
981	|| !rxvt_IMisRunning(aR))
982	return;	1197	return;
983		1198
984	rxvt_setPosition(aR_ & spot);	1199	im_set_position (nspot);
985		1200
		1201	if (nspot.x == spot.x && nspot.y == spot.y)
		1202	return;
		1203
		1204	spot = nspot;
		1205
986	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1206	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
987	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1207	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
988	XFree(preedit_attr);	1208	XFree (preedit_attr);
989	}	1209	}
990		1210
991	/* EXTPROTO */
992	void	1211	void
993	rxvt_setTermFontSet(pR_ int idx)	1212	rxvt_term::im_destroy ()
994	{	1213	{
995	char *string;	1214	if (input_method)
996	long length;	1215	{
997	int success = 0;	1216	if (Input_Context && input_method->xim)
		1217	XDestroyIC (Input_Context);
998		1218
999	if (idx < 0 || idx >= MAX_NFONTS)	1219	display->put_xim (input_method);
1000	return;	1220	input_method = 0;
1001	}	1221	}
1002		1222
1003	/* INTPROTO */
1004	void
1005	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1006	XRectangle * needed_rect)
1007	{
1008	int mbh, vtx = 0;
1009
1010	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1011	vtx = scrollbar_TotalWidth();
1012	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1013	mbh -= R->TermWin.lineSpace;
1014
1015	preedit_rect->x = needed_rect->width + vtx;
1016	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1017
1018	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1019	+ vtx;
1020	preedit_rect->height = Height2Pixel(1);
1021
1022	status_rect->x = vtx;
1023	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1024
1025	status_rect->width = needed_rect->width ? needed_rect->width
1026	: Width2Pixel(R->TermWin.ncol + 1);
1027	status_rect->height = Height2Pixel(1);
1028	}
1029
1030	/* ARGSUSED */
1031	/* INTPROTO */
1032	void
1033	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1034	__attribute__ ((unused)), XPointer call_data
1035	__attribute__ ((unused)))
1036	{
1037	dR;
1038
1039	R->Input_Context = NULL;	1223	Input_Context = 0;
1040	/* To avoid Segmentation Fault in C locale: Solaris only? */
1041	if (STRCMP(R->locale, "C"))
1042	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1043	rxvt_IMInstantiateCallback, NULL);
1044	}	1224	}
1045		1225
1046	/*	1226	#ifdef ENABLE_XIM_ONTHESPOT
1047	* X manual pages and include files don't match on some systems:
1048	* some think this is an XIDProc and others an XIMProc so we can't
1049	* use the first argument - need to update this to be nice for
1050	* both types via some sort of configure detection
1051	*/
1052	/* ARGSUSED */
1053	/* EXTPROTO */
1054	void
1055	rxvt_IMInstantiateCallback(Display * unused
1056	__attribute__ ((unused)), XPointer client_data
1057	__attribute__ ((unused)), XPointer call_data
1058	__attribute__ ((unused)))
1059	{
1060	dR;
1061	int i, found, had_im;
1062	const char *p;
1063	char **s;
1064	char buf[IMBUFSIZ];
1065		1227
1066	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1228	static void
1067	if (R->Input_Context)	1229	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1068	return;	1230	{
		1231	((rxvt_term *)client_data)->make_current ();
		1232	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1233	}
1069		1234
1070	found = had_im = 0;	1235	static void
1071	p = R->rs[Rs_inputMethod];	1236	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1072	if (p && *p) {	1237	{
1073	had_im = 1;	1238	((rxvt_term *)client_data)->make_current ();
1074	s = rxvt_splitcommastring(p);	1239	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1075	for (i = 0; s[i]; i++) {	1240	}
1076	if (*s[i]) {	1241
1077	STRCPY(buf, "@im=");	1242	static void
1078	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1243	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1079	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1244	{
1080	&& (rxvt_IM_get_IC(aR) == True)) {	1245	rxvt_term *term = (rxvt_term *)client_data;
1081	found = 1;	1246	XIMText *text = call_data->text;
1082	break;	1247
1083	}	1248	term->make_current ();
1084	}	1249
		1250	if (text)
		1251	{
		1252	wchar_t *str;
		1253
		1254	if (!text->encoding_is_wchar && text->string.multi_byte)
		1255	{
		1256	// of course, X makes it ugly again
		1257	if (term->rs[Rs_imLocale])
		1258	SET_LOCALE (term->rs[Rs_imLocale]);
		1259
		1260	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1261	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1262
		1263	if (term->rs[Rs_imLocale])
		1264	SET_LOCALE (term->locale);
1085	}	1265	}
1086	for (i = 0; s[i]; i++)	1266	else
1087	free(s[i]);	1267	str = text->string.wide_char;
1088	free(s);
1089	}
1090	if (found)
1091	return;
1092		1268
1093	/* try with XMODIFIERS env. var. */	1269	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1094	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1270	DT_INT, call_data->caret,
1095	rxvt_IM_get_IC(aR);	1271	DT_INT, call_data->chg_first,
1096	return;	1272	DT_INT, call_data->chg_length,
		1273	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1274	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1275	DT_END));
1097	}	1276	}
1098		1277	else
1099	/* try with no modifiers base IF the user didn't specify an IM */	1278	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1100	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1279	DT_INT, call_data->caret,
1101	&& rxvt_IM_get_IC(aR) == True)	1280	DT_INT, call_data->chg_first,
1102	return;	1281	DT_INT, call_data->chg_length,
		1282	DT_END));
1103	}	1283	}
		1284
		1285	#if 0
		1286	static void
		1287	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1288	{
		1289	((rxvt_term *)client_data)->make_current ();
		1290	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1291	DT_INT, call_data->position,
		1292	DT_INT, call_data->direction,
		1293	DT_INT, call_data->style,
		1294	DT_END));
		1295	}
		1296	#endif
		1297
		1298	#endif
1104		1299
1105	/*	1300	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1301	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1302	* open a suitable preedit type
1108	*/	1303	*/
1109	/* INTPROTO */
1110	Bool	1304	bool
1111	rxvt_IM_get_IC(pR)	1305	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1306	{
1113	int i, j, found;	1307	int i, j, found;
1114	XIM xim;	1308	XIM xim;
1115	XPoint spot;	1309	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1310	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1311	unsigned long fg, bg;
1118	const char *p;	1312	const char *p;
1119	char **s;	1313	char **s;
1120	XIMStyles *xim_styles;	1314	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;	1315	#ifdef ENABLE_XIM_ONTHESPOT
1122	XIMCallback ximcallback;	1316	XIMCallback xcb[4];
		1317	#endif
1123		1318
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1319	set_environ (envv);
1125	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1320
1126	if (xim == NULL)	1321	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1127	return False;	1322	return false;
1128		1323
		1324	input_method = display->get_xim (locale, modifiers);
		1325	if (input_method == NULL)
		1326	return false;
		1327
		1328	xim = input_method->xim;
		1329	spot.x = spot.y = -1;
		1330
1129	xim_styles = NULL;	1331	xim_styles = NULL;
1130	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1332	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1333	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1334	{
		1335	im_destroy ();
1133	return False;	1336	return false;
		1337	}
		1338
		1339	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1340
		1341	for (int pi = 0; pi < 2; pi++)
1134	}	1342	{
		1343	p = pet[pi];
1135		1344
1136	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1345	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1346	continue;
		1347
1138	s = rxvt_splitcommastring(p);	1348	s = rxvt_splitcommastring (p);
		1349
1139	for (i = found = 0; !found && s[i]; i++) {	1350	for (i = found = 0; !found && s[i]; i++)
		1351	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1352	if (!strcmp (s[i], "OverTheSpot"))
1141	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1353	input_style = XIMPreeditPosition | XIMStatusNothing;
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1354	else if (!strcmp (s[i], "OffTheSpot"))
1143	R->input_style = (XIMPreeditArea | XIMStatusArea);	1355	input_style = XIMPreeditArea | XIMStatusArea;
1144	else if (!STRCMP(s[i], "Root"))	1356	else if (!strcmp (s[i], "Root"))
1145	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1357	input_style = XIMPreeditNothing | XIMStatusNothing;
		1358	else if (!strcmp (s[i], "None"))
		1359	input_style = XIMPreeditNone | XIMStatusNone;
		1360	#ifdef ENABLE_XIM_ONTHESPOT
		1361	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1362	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1363	#endif
		1364	else
		1365	input_style = XIMPreeditNothing | XIMStatusNothing;
1146		1366
1147	for (j = 0; j < xim_styles->count_styles; j++)	1367	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (R->input_style == xim_styles->supported_styles[j]) {	1368	if (input_style == xim_styles->supported_styles[j])
		1369	{
		1370	rxvt_freecommastring (s);
		1371
1149	found = 1;	1372	found = 1;
		1373	goto foundpet;
		1374	}
		1375
		1376	}
		1377
		1378	rxvt_freecommastring (s);
		1379	}
		1380
		1381	foundpet:
		1382
		1383	XFree (xim_styles);
		1384
		1385	if (!found)
		1386	{
		1387	im_destroy ();
		1388	return false;
		1389	}
		1390
		1391	XFontSet fs = 0;
		1392	XVaNestedList preedit_attr = 0, status_attr = 0;
		1393
		1394	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1395	{
		1396	// fake us a font-set, please
		1397	char **missing_charset_list;
		1398	int missing_charset_count;
		1399	char *def_string;
		1400	char pat[512];
		1401
		1402	sprintf (pat,
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1406	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1407	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1408	"*",
		1409	fheight,
		1410	fheight + 1, fheight - 1,
		1411	fheight - 2, fheight + 2);
		1412
		1413	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1414	&missing_charset_list, &missing_charset_count, &def_string);
		1415
		1416	if (missing_charset_list)
		1417	XFreeStringList (missing_charset_list);
		1418
		1419	if (!fs)
		1420	{
		1421	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1422	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1423	}
		1424	}
		1425
		1426	if (input_style & XIMPreeditPosition)
		1427	{
		1428	im_set_size (rect);
		1429	im_set_position (spot);
		1430	im_set_color (fg, bg);
		1431
		1432	preedit_attr = XVaCreateNestedList (0,
		1433	XNForeground, fg,
		1434	XNBackground, bg,
		1435	XNArea, &rect,
		1436	XNSpotLocation, &spot,
		1437	XNFontSet, fs,
		1438	NULL);
		1439	}
		1440	else if (input_style & XIMPreeditArea)
		1441	{
		1442	im_set_color (fg, bg);
		1443
		1444	/*
		1445	* The necessary width of preedit area is unknown
		1446	* until create input context.
		1447	*/
		1448	needed_rect.width = 0;
		1449	im_set_preedit_area (rect, status_rect, needed_rect);
		1450
		1451	preedit_attr = XVaCreateNestedList (0,
		1452	XNForeground, fg,
		1453	XNBackground, bg,
		1454	XNArea, &rect,
		1455	XNFontSet, fs,
		1456	NULL);
		1457	status_attr = XVaCreateNestedList (0,
		1458	XNForeground, fg,
		1459	XNBackground, bg,
		1460	XNArea, &status_rect,
		1461	XNFontSet, fs,
		1462	NULL);
		1463	}
		1464	#if ENABLE_XIM_ONTHESPOT
		1465	else if (input_style & XIMPreeditCallbacks)
		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[0],
		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	IMSetPosition ();
		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 defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1535	if (rs[Rs_imLocale])
		1536	SET_LOCALE (rs[Rs_imLocale]);
		1537	#endif
		1538
		1539	p = rs[Rs_inputMethod];
		1540	if (p && *p)
		1541	{
		1542	bool found = false;
		1543
		1544	s = rxvt_splitcommastring (p);
		1545
		1546	for (i = 0; s[i]; i++)
		1547	{
		1548	if (*s[i])
		1549	{
		1550	strcpy (buf, "@im=");
		1551	strncat (buf, s[i], IMBUFSIZ - 5);
		1552	if (IM_get_IC (buf))
		1553	{
		1554	found = true;
1150	break;	1555	break;
		1556	}
1151	}	1557	}
1152	}	1558	}
1153	for (i = 0; s[i]; i++)
1154	free(s[i]);
1155	free(s);
1156	XFree(xim_styles);
1157		1559
		1560	rxvt_freecommastring (s);
		1561
1158	if (!found) {	1562	if (found)
1159	XCloseIM(xim);	1563	goto done;
1160	return False;
1161	}	1564	}
1162		1565
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1566	/* try with XMODIFIERS env. var. */
		1567	if (IM_get_IC (""))
		1568	goto done;
1164		1569
1165	/* XXX: not sure why we need this (as well as IC one below) */	1570	/* try with no modifiers base IF the user didn't specify an IM */
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1571	if (IM_get_IC ("@im=none"))
		1572	goto done;
1167		1573
1168	preedit_attr = status_attr = NULL;	1574	done:
1169		1575	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1170	if (R->input_style & XIMPreeditPosition) {	1576	if (rs[Rs_imLocale])
1171	rxvt_setSize(aR_ & rect);	1577	SET_LOCALE (locale);
1172	rxvt_setPosition(aR_ & spot);	1578	#endif
1173	rxvt_setColor(aR_ & fg, &bg);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNSpotLocation, &spot,
1177	XNForeground, fg, XNBackground, bg,
1178	//XNFontSet, R->TermWin.fontset,
1179	NULL);
1180	} else if (R->input_style & XIMPreeditArea) {
1181	rxvt_setColor(aR_ & fg, &bg);
1182
1183	/*
1184	* The necessary width of preedit area is unknown
1185	* until create input context.
1186	*/
1187	needed_rect.width = 0;
1188
1189	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1190
1191	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1192	XNForeground, fg, XNBackground, bg,
1193	//XNFontSet, R->TermWin.fontset,
1194	NULL);
1195	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1196	XNForeground, fg, XNBackground, bg,
1197	//XNFontSet, R->TermWin.fontset,
1198	NULL);
1199	}
1200	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1201	XNClientWindow, R->TermWin.parent[0],
1202	XNFocusWindow, R->TermWin.parent[0],
1203	XNDestroyCallback, &ximcallback,
1204	preedit_attr ? XNPreeditAttributes : NULL,
1205	preedit_attr,
1206	status_attr ? XNStatusAttributes : NULL,
1207	status_attr, NULL);
1208	if (preedit_attr)
1209	XFree(preedit_attr);
1210	if (status_attr)
1211	XFree(status_attr);
1212	if (R->Input_Context == NULL) {
1213	rxvt_print_error("failed to create input context");
1214	XCloseIM(xim);
1215	return False;
1216	}
1217	if (R->input_style & XIMPreeditArea)
1218	rxvt_IMSetStatusPosition(aR);
1219	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1220	return True;
1221	}	1579	}
1222		1580
1223	/* EXTPROTO */
1224	void	1581	void
1225	rxvt_IMSetStatusPosition(pR)	1582	rxvt_term::IMSetPosition ()
1226	{	1583	{
1227	XRectangle preedit_rect, status_rect, *needed_rect;	1584	XRectangle preedit_rect, status_rect, *needed_rect;
1228	XVaNestedList preedit_attr, status_attr;	1585	XVaNestedList preedit_attr, status_attr;
1229		1586
1230	if (R->Input_Context == NULL	1587	if (!Input_Context
1231	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1588	|| !focus
		1589	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1232	|| !rxvt_IMisRunning(aR))	1590	|| !IMisRunning ())
1233	return;	1591	return;
1234		1592
		1593	if (input_style & XIMPreeditPosition)
		1594	{
		1595	im_set_size (preedit_rect);
		1596	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1597
		1598	XSetICValues (Input_Context,
		1599	XNPreeditAttributes, preedit_attr, NULL);
		1600	}
		1601	else
		1602	{
1235	/* Getting the necessary width of preedit area */	1603	/* Getting the necessary width of preedit area */
1236	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1604	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1237	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1605	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1238	XFree(status_attr);	1606	XFree (status_attr);
1239		1607
1240	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1608	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1609	XFree (needed_rect);
1241		1610
1242	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1611	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1243	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1612	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1244		1613
1245	XSetICValues(R->Input_Context,	1614	XSetICValues (Input_Context,
1246	XNPreeditAttributes, preedit_attr,	1615	XNPreeditAttributes, preedit_attr,
1247	XNStatusAttributes, status_attr, NULL);	1616	XNStatusAttributes, status_attr,
		1617	NULL);
1248		1618
		1619	XFree (status_attr);
		1620	}
		1621
1249	XFree(preedit_attr);	1622	XFree (preedit_attr);
1250	XFree(status_attr);
1251	}	1623	}
1252	#endif /* USE_XIM */	1624	#endif /* USE_XIM */
1253		1625
1254	/*----------------------------------------------------------------------*/	1626	void
1255	rxvt_t rxvt_current_term;	1627	rxvt_term::get_window_origin (int &x, int &y)
		1628	{
		1629	Window cr;
		1630	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1631	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1632	}
		1633
		1634	Pixmap
		1635	rxvt_term::get_pixmap_property (int prop_id)
		1636	{
		1637	if (prop_id > 0 && prop_id < NUM_XA)
		1638	if (xa[prop_id])
		1639	{
		1640	int aformat;
		1641	unsigned long nitems, bytes_after;
		1642	Atom atype;
		1643	unsigned char *prop = NULL;
		1644	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1645	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1646	&nitems, &bytes_after, &prop);
		1647	if (result == Success && prop && atype == XA_PIXMAP)
		1648	return *(Pixmap *)prop;
		1649	}
		1650
		1651	return None;
		1652	}
		1653
		1654	#ifdef HAVE_BG_PIXMAP
		1655	# if TRACE_PIXMAPS
		1656	# undef update_background
		1657	void
		1658	rxvt_term::trace_update_background (const char *file, int line)
		1659	{
		1660	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1661	update_background ();
		1662	}
		1663	# endif
		1664
		1665	void
		1666	rxvt_term::update_background ()
		1667	{
		1668	if (update_background_ev.is_active ())
		1669	return;
		1670
		1671	bgPixmap.invalidate ();
		1672
		1673	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1674
		1675	if (to_wait <= 0.)
		1676	bgPixmap.render ();
		1677	else
		1678	update_background_ev.start (to_wait);
		1679	}
		1680
		1681	void
		1682	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1683	{
		1684	make_current ();
		1685
		1686	update_background_ev.stop ();
		1687	bgPixmap.render ();
		1688	refresh_check ();
		1689	}
		1690
		1691	#endif /* HAVE_BG_PIXMAP */
1256		1692
1257	/*----------------------- end-of-file (C source) -----------------------*/	1693	/*----------------------- end-of-file (C source) -----------------------*/

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