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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.348 by sf-exg, Thu Jan 20 16:41:23 2011 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 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 <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
		80	void
		81	rxvt_push_locale (const char *locale) NOTHROW
		82	{
		83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
		86
		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	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
		150	return len;
		151
		152	}
		153	#endif
		154
47	rxvt_term::rxvt_term()	155	rxvt_term::rxvt_term ()
48	: pty_ev(this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)
50	{	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
		160	#ifdef CURSOR_BLINK
		161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		181	#endif
		182	#ifdef POINTER_BLANK
		183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		184	#endif
		185	#ifndef NO_BELL
		186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	196	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		197
		198	termlist.push_back (this);
		199
		200	#ifdef KEYSYM_RESOURCE
		201	keyboard = new keyboard_manager;
		202	#endif
		203	}
		204
		205	// clean up the most important stuff, do *not* call x or free mem etc.
		206	// for use before an emergency exit
54	void *	207	void
55	rxvt_term::operator new (size_t s)	208	rxvt_term::emergency_cleanup ()
56	{	209	{
57	void *p = malloc (s);	210	if (cmd_pid)
		211	kill (-cmd_pid, SIGHUP);
58		212
59	MEMSET (p, 0, s);	213	pty_ev.stop ();
60	return p;	214	delete pty; pty = 0;
61	}	215	}
62		216
63	void	217	rxvt_term::~rxvt_term ()
64	rxvt_term::operator delete (void *p, size_t s)
65	{	218	{
66	free (p);	219	termlist.erase (find (termlist.begin (), termlist.end(), this));
67	}
68		220
69	/*----------------------------------------------------------------------*/	221	emergency_cleanup ();
70	/* rxvt_init() */
71	/* LIBPROTO */
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)
74	{
75	const char **cmd_argv;
76		222
77	SET_R(new rxvt_term);	223	#if ENABLE_STYLES
78	dR;	224	for (int i = RS_styleCount; --i; )
79		225	if (fontset[i] != fontset[0])
80	if (rxvt_init_vars(aR) < 0)	226	delete fontset[i];
81	{
82	free(R);
83	return NULL;
84	}
85
86	/*
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);
97
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif	227	#endif
105	#ifdef HAVE_SCROLLBARS	228	delete fontset[0];
106	if (R->Options & Opt_scrollBar)
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif
109		229
110	rxvt_Create_Windows(aR_ argc, argv);	230	#ifdef HAVE_BG_PIXMAP
111		231	bgPixmap.destroy ();
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif	232	#endif
118		233	#ifdef HAVE_AFTERIMAGE
119	#if 0	234	if (asv)
120	#ifdef DEBUG_X	235	destroy_asvisual (asv, 0);
121	XSynchronize(R->Xdisplay, True);	236	if (asimman)
122	XSetErrorHandler((XErrorHandler) abort);	237	destroy_image_manager (asimman, 0);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif	238	#endif
126	#endif
127		239
128	#ifdef HAVE_SCROLLBARS	240	if (display)
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)
133	if (menubar_visible(r))
134	XMapWindow(R->Xdisplay, R->menuBar.win);
135	#endif
136	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)
138	{	241	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	242	selection_clear ();
140	rxvt_check_our_parents(aR);	243	selection_clear (true);
		244
		245	#ifdef USE_XIM
		246	im_destroy ();
		247	#endif
		248	scrollBar.destroy ();
		249	if (gc) XFreeGC (dpy, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (dpy, parent[0]);
		255
		256	for (int i = 0; i < TOTAL_COLORS; i++)
		257	if (ISSET_PIXCOLOR (i))
		258	{
		259	pix_colors_focused [i].free (this);
		260	#if OFF_FOCUS_FADING
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
		264
		265	clear ();
		266
		267	display->flush (); /* ideally .put should do this */
		268	displays.put (display);
141	}	269	}
142	#endif
143	XMapWindow(R->Xdisplay, R->TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145		270
146	rxvt_init_env(aR);	271	scr_release ();
147	rxvt_init_command(aR_ cmd_argv);
148		272
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
150		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	// TODO: manage env vars in child only(!)
		280	free (env_display);
		281	free (env_term);
		282	free (locale);
		283	free (v_buffer);
		284	free (incr_buf);
		285
		286	delete envv;
		287	delete argv;
		288
		289	#ifdef KEYSYM_RESOURCE
		290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
		296
		297	// child has exited, usually destroys
		298	void
		299	rxvt_term::child_cb (ev::child &w, int status)
		300	{
		301	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		302
		303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
		307	}
		308
		309	void
		310	rxvt_term::destroy ()
		311	{
		312	if (destroy_ev.is_active ())
151	return R;	313	return;
152	}
153		314
154	/* ------------------------------------------------------------------------- *	315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
155	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */
157	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167		316
168	do {	317	#if ENABLE_OVERLAY
169	errno = 0;	318	scr_overlay_off ();
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172	if (pid == R->cmd_pid)
173	exit(EXIT_SUCCESS);
174
175	errno = save_errno;
176	signal(SIGCHLD, rxvt_Child_signal);
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif	319	#endif
190	rxvt_clean_exit();
191	kill(getpid(), sig);
192	}
193		320
194	/* ARGSUSED */	321	if (display)
195	/* INTPROTO */
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201
202	if (R->allowedxerror == -1) {
203	R->allowedxerror = event->error_code;
204	return 0; /* ignored anyway */
205	}	322	{
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",	323	#if USE_XIM
207	event->request_code, event->minor_code,	324	im_ev.stop (display);
208	event->error_code);	325	#endif
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	326	scrollbar_ev.stop (display);
210	exit(EXIT_FAILURE);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
211	/* NOTREACHED */	328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
		331	termwin_ev.stop (display);
		332	vt_ev.stop (display);
		333	}
		334
		335	flush_ev.stop ();
		336	pty_ev.stop ();
		337	#ifdef CURSOR_BLINK
		338	cursor_blink_ev.stop ();
		339	#endif
		340	#ifdef TEXT_BLINK
		341	text_blink_ev.stop ();
		342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
		349	#ifdef POINTER_BLANK
		350	pointer_ev.stop ();
		351	#endif
		352
		353	destroy_ev.start ();
		354	}
		355
		356	void
		357	rxvt_term::destroy_cb (ev::idle &w, int revents)
		358	{
		359	make_current ();
		360
		361	delete this;
		362	}
		363
		364	void
		365	rxvt_term::set_option (uint8_t opt, bool set)
		366	{
		367	if (!opt)
		368	return;
		369
		370	uint8_t mask = 1 << (opt & 7);
		371	uint8_t &val = options [opt >> 3];
		372
		373	val = val & ~mask | (set ? mask : 0);
212	}	374	}
213		375
214	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
215	/*	377	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* TODO: if debugging, this should free up any known resources if we can	379	* TODO: if debugging, this should free up any known resources if we can
218	*/	380	*/
219	/* EXTPROTO */	381	static XErrorHandler old_xerror_handler;
220	void
221	rxvt_clean_exit(void)
222	{
223	dR;
224		382
225	#ifdef DEBUG_SCREEN	383	static void
226	rxvt_scr_release(aR);	384	rxvt_emergency_cleanup ()
		385	{
		386	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		387	(*t)->emergency_cleanup ();
		388	}
		389
		390	#if !ENABLE_MINIMAL
		391	static void
		392	print_x_error (Display *dpy, XErrorEvent *event)
		393	{
		394	char buffer[BUFSIZ];
		395	char mesg[BUFSIZ];
		396	char number[32];
		397	const char mtype[] = "XlibMessage";
		398	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		399	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		400	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		401	rxvt_warn ("%s: %s\n", mesg, buffer);
		402	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		403	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		404	sprintf(number, "%d", event->request_code);
		405	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		406	rxvt_warn ("(which is %s)\n", buffer);
		407	if (event->request_code >= 128) {
		408	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		411	}
		412	if ((event->error_code == BadWindow) ||
		413	(event->error_code == BadPixmap) ||
		414	(event->error_code == BadCursor) ||
		415	(event->error_code == BadFont) ||
		416	(event->error_code == BadDrawable) ||
		417	(event->error_code == BadColor) ||
		418	(event->error_code == BadGC) ||
		419	(event->error_code == BadIDChoice) ||
		420	(event->error_code == BadValue) ||
		421	(event->error_code == BadAtom)) {
		422	if (event->error_code == BadValue)
		423	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		424	mesg, BUFSIZ);
		425	else if (event->error_code == BadAtom)
		426	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		427	mesg, BUFSIZ);
		428	else
		429	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		430	mesg, BUFSIZ);
		431	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		432	}
		433	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		434	mesg, BUFSIZ);
		435	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		436	}
227	#endif	437	#endif
228	#ifndef NO_SETOWNER_TTYDEV	438
229	rxvt_privileged_ttydev(aR_ RESTORE);	439	int
230	#endif	440	rxvt_xerror_handler (Display *display, XErrorEvent *event)
231	#ifdef UTMP_SUPPORT	441	{
232	rxvt_privileged_utmp(aR_ RESTORE);	442	if (GET_R->allowedxerror == -1)
233	#endif	443	GET_R->allowedxerror = event->error_code;
234	#ifdef USE_XIM	444	else
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}	445	{
		446	// GET_R is most likely not the terminal which caused the error,
		447	// so just output the error and continue
		448	#if ENABLE_MINIMAL
		449	old_xerror_handler (display, event);
		450	#else
		451	print_x_error (display, event);
239	#endif	452	#endif
240	}	453	}
241		454
242	/* ------------------------------------------------------------------------- *	455	return 0;
243	* MEMORY ALLOCATION WRAPPERS *	456	}
244	* ------------------------------------------------------------------------- */
245	/* EXTPROTO */
246	void *
247	rxvt_malloc(size_t size)
248	{
249	void *p;
250		457
251	p = malloc(size);	458	int
252	if (p)	459	rxvt_xioerror_handler (Display *display)
253	return p;	460	{
254		461	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	462	DisplayString (display));
256	rxvt_clean_exit();	463	rxvt_emergency_cleanup ();
257	exit(EXIT_FAILURE);	464	_exit (EXIT_FAILURE);
258	/* NOTREACHED */
259	}	465	}
260		466
261	/* EXTPROTO */	467	static struct sig_handlers
262	void *
263	rxvt_calloc(size_t number, size_t size)
264	{	468	{
265	void *p;	469	ev::sig sw_term, sw_int;
266		470
267	p = calloc(number, size);	471	/*
268	if (p)	472	* Catch a fatal signal and tidy up before quitting
269	return p;	473	*/
		474	void sig_term (ev::sig &w, int revents);
270		475
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	476	sig_handlers ()
272	rxvt_clean_exit();	477	{
273	exit(EXIT_FAILURE);	478	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
274	/* NOTREACHED */	479	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
275	}	480	}
		481	} sig_handlers;
276		482
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)
280	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);
285	else
286	p = malloc(size);
287	if (p)
288	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}
295
296	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void	483	void
302	rxvt_privileges(pR_ int mode)	484	sig_handlers::sig_term (ev::sig &w, int revents)
303	{	485	{
304	#if ! defined(__CYGWIN32__)	486	rxvt_emergency_cleanup ();
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	487	w.stop ();
306	/* setreuid() is the poor man's setuid(), seteuid() */	488	kill (getpid (), w.signum);
307	# define seteuid(a) setreuid(-1, (a))	489	}
308	# define setegid(a) setregid(-1, (a))	490
309	# define HAVE_SETEUID	491	static void
		492	rxvt_get_ttymode (struct termios *tio)
		493	{
		494	if (tcgetattr (STDIN_FILENO, tio) < 0)
		495	memset (tio, 0, sizeof (struct termios));
		496
		497	for (int i = 0; i < NCCS; i++)
		498	tio->c_cc[i] = VDISABLE;
		499
		500	tio->c_cc[VINTR] = CINTR;
		501	tio->c_cc[VQUIT] = CQUIT;
		502	tio->c_cc[VERASE] = CERASE;
		503	#ifdef VERASE2
		504	tio->c_cc[VERASE2] = CERASE2;
		505	#endif
		506	tio->c_cc[VKILL] = CKILL;
		507	tio->c_cc[VEOF] = CEOF;
		508	tio->c_cc[VSTART] = CSTART;
		509	tio->c_cc[VSTOP] = CSTOP;
		510	tio->c_cc[VSUSP] = CSUSP;
		511	# ifdef VDSUSP
		512	tio->c_cc[VDSUSP] = CDSUSP;
310	# endif	513	# endif
311	# ifdef HAVE_SETEUID	514	# ifdef VREPRINT
312	switch (mode) {	515	tio->c_cc[VREPRINT] = CRPRNT;
313	case IGNORE:
314	/*
315	* change effective uid/gid - not real uid/gid - so we can switch
316	* back to root later, as required
317	*/
318	seteuid(getuid());
319	setegid(getgid());
320	break;
321	case SAVE:
322	R->euid = geteuid();
323	R->egid = getegid();
324	break;
325	case RESTORE:
326	seteuid(R->euid);
327	setegid(R->egid);
328	break;
329	}
330	# else
331	switch (mode) {
332	case IGNORE:
333	setuid(getuid());
334	setgid(getgid());
335	/* FALLTHROUGH */
336	case SAVE:
337	/* FALLTHROUGH */
338	case RESTORE:
339	break;
340	}
341	# endif	516	# endif
342	#endif	517	# ifdef VDISCRD
343	}	518	tio->c_cc[VDISCRD] = CFLUSH;
344
345	#ifdef UTMP_SUPPORT
346	/* EXTPROTO */
347	void
348	rxvt_privileged_utmp(pR_ char action)
349	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')
355	return;
356
357	rxvt_privileges(aR_ RESTORE);
358	if (action == SAVE) {
359	R->next_utmp_action = RESTORE;
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
361	} else { /* action == RESTORE */
362	R->next_utmp_action = IGNORE;
363	rxvt_cleanutent(aR);
364	}
365	rxvt_privileges(aR_ IGNORE);
366	}
367	#endif
368
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void
372	rxvt_privileged_ttydev(pR_ char action)
373	{
374	D_MAIN((stderr,
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
376	action, R->next_tty_action, getpid()));
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif	519	# endif
391	{	520	# ifdef VWERSE
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	521	tio->c_cc[VWERSE] = CWERASE;
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif	522	# endif
397	}	523	# ifdef VLNEXT
398	} else { /* action == RESTORE */	524	tio->c_cc[VLNEXT] = CLNEXT;
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif	525	# endif
408	}	526	# ifdef VSTATUS
409		527	tio->c_cc[VSTATUS] = CSTATUS;
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif	528	# endif
420	}	529
		530	# if VMIN != VEOF
		531	tio->c_cc[VMIN] = 1;
421	#endif	532	# endif
		533	# if VTIME != VEOL
		534	tio->c_cc[VTIME] = 0;
		535	# endif
		536
		537	/* input modes */
		538	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		539	# ifdef IMAXBEL
		540	| IMAXBEL
		541	# endif
		542	| IXON);
		543
		544	/* output modes */
		545	tio->c_oflag = (OPOST | ONLCR);
		546
		547	/* control modes */
		548	tio->c_cflag = (CS8 | CREAD);
		549
		550	/* local modes */
		551	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		552	# if defined (ECHOCTL) && defined (ECHOKE)
		553	| ECHOCTL | ECHOKE
		554	# endif
		555	| ECHOE | ECHOK);
		556	}
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
		562	{
		563	assert (("fontMask must not overlap other RS masks",
		564	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		565
		566	rxvt_get_ttymode (&rxvt_term::def_tio);
		567
		568	// get rid of stdin/stdout as we don't need them, to free resources
		569	dup2 (STDERR_FILENO, STDIN_FILENO);
		570	dup2 (STDERR_FILENO, STDOUT_FILENO);
		571
		572	if (!ev_default_loop ())
		573	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		574
		575	rxvt_environ = environ;
		576
		577	signal (SIGHUP, SIG_IGN);
		578	signal (SIGPIPE, SIG_IGN);
		579
		580	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		581	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		582
		583	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		584	// TODO: handle this with exceptions and tolerate the memory loss
		585	XSetIOErrorHandler (rxvt_xioerror_handler);
		586
		587	XrmInitialize ();
		588	}
422		589
423	/*----------------------------------------------------------------------*/	590	/*----------------------------------------------------------------------*/
424	/*	591	/*
425	* window size/position calculcations for XSizeHint and other storage.	592	* window size/position calculations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	593	* if width/height are non-zero then override calculated width/height
427	*/	594	*/
428	/* EXTPROTO */
429	void	595	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	596	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431	{	597	{
432	short recalc_x, recalc_y;	598	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	599	int x, y, flags;
434	unsigned int w, h;	600	unsigned int w, h;
435	unsigned int max_width, max_height;	601	unsigned int max_width, max_height;
436		602
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439	R->szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	603	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	604	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	605	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		606
444	recalc_x = recalc_y = 0;	607	recalc_x = recalc_y = 0;
445	flags = 0;	608	flags = 0;
		609
446	if (!R->parsed_geometry) {	610	if (!parsed_geometry)
		611	{
447	R->parsed_geometry = 1;	612	parsed_geometry = 1;
		613
448	if (R->rs[Rs_geometry])	614	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	615	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		616
450	if (flags & WidthValue) {	617	if (flags & WidthValue)
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	618	{
		619	if (!w)
		620	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		621
		622	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
452	R->szHint.flags |= USSize;	623	szHint.flags |= USSize;
453	}	624	}
		625
454	if (flags & HeightValue) {	626	if (flags & HeightValue)
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	627	{
		628	if (!h)
		629	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		630
		631	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
456	R->szHint.flags |= USSize;	632	szHint.flags |= USSize;
457	}	633	}
		634
458	if (flags & XValue) {	635	if (flags & XValue)
		636	{
459	R->szHint.x = x;	637	szHint.x = x;
460	R->szHint.flags |= USPosition;	638	szHint.flags |= USPosition;
		639
461	if (flags & XNegative) {	640	if (flags & XNegative)
		641	{
462	recalc_x = 1;	642	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	643	szHint.win_gravity = NorthEastGravity;
464	}	644	}
465	}	645	}
		646
466	if (flags & YValue) {	647	if (flags & YValue)
		648	{
467	R->szHint.y = y;	649	szHint.y = y;
468	R->szHint.flags |= USPosition;	650	szHint.flags |= USPosition;
		651
469	if (flags & YNegative) {	652	if (flags & YNegative)
		653	{
470	recalc_y = 1;	654	recalc_y = 1;
		655
471	if (R->szHint.win_gravity == NorthEastGravity)	656	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	657	szHint.win_gravity = SouthEastGravity;
473	else	658	else
474	R->szHint.win_gravity = SouthWestGravity;	659	szHint.win_gravity = SouthWestGravity;
475	}	660	}
476	}	661	}
477	}	662	}
		663
478	/* TODO: BOUNDS */	664	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	665	width = ncol * fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	666	height = nrow * fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	667	max_width = MAX_COLS * fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	668	max_height = MAX_ROWS * fheight;
483		669
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	670	szHint.base_width = szHint.base_height = 2 * int_bwidth;
485		671
486	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	672	window_vt_x = window_vt_y = int_bwidth;
488	if (scrollbar_visible(R)) {	673
		674	if (scrollBar.state)
		675	{
489	sb_w = scrollbar_TotalWidth();	676	int sb_w = scrollBar.total_width ();
490	R->szHint.base_width += sb_w;	677	szHint.base_width += sb_w;
		678
491	if (!(R->Options & Opt_scrollBar_right))	679	if (!option (Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	680	window_vt_x += sb_w;
493	}	681	}
494	if (menubar_visible(R)) {	682
495	mb_h = menuBar_TotalHeight();
496	R->szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;
498	}
499	R->szHint.width_inc = R->TermWin.fwidth;	683	szHint.width_inc = fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	684	szHint.height_inc = fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	685	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	686	szHint.min_height = szHint.base_height + szHint.height_inc;
503		687
504	if (width && width - R->szHint.base_width < max_width) {	688	if (newwidth && newwidth - szHint.base_width < max_width)
		689	{
505	R->szHint.width = width;	690	szHint.width = newwidth;
506	R->TermWin.width = width - R->szHint.base_width;	691	width = newwidth - szHint.base_width;
507	} else {	692	}
508	MIN_IT(R->TermWin.width, max_width);	693	else
		694	{
		695	min_it (width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	696	szHint.width = szHint.base_width + width;
510	}	697	}
		698
511	if (height && height - R->szHint.base_height < max_height) {	699	if (newheight && newheight - szHint.base_height < max_height)
		700	{
512	R->szHint.height = height;	701	szHint.height = newheight;
513	R->TermWin.height = height - R->szHint.base_height;	702	height = newheight - szHint.base_height;
514	} else {	703	}
515	MIN_IT(R->TermWin.height, max_height);	704	else
		705	{
		706	min_it (height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	707	szHint.height = szHint.base_height + height;
517	}	708	}
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;
520		709
521	if (recalc_x)	710	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	711	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	712
524	if (recalc_y)	713	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	714	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
527		715
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	716	ncol = width / fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	717	nrow = height / fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
532	R->szHint.height));
533	return;
534	}	718	}
535		719
536	/*----------------------------------------------------------------------*/	720	/*----------------------------------------------------------------------*/
537	/*	721	/*
538	* Tell the teletype handler what size the window is.	722	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	723	* Called after a window size change.
540	*/	724	*/
541	/* EXTPROTO */
542	void	725	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	726	rxvt_term::tt_winch ()
544	{	727	{
		728	if (pty->pty < 0)
		729	return;
		730
545	struct winsize ws;	731	struct winsize ws;
546		732
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	733	ws.ws_col = ncol;
550	ws.ws_row = row;	734	ws.ws_row = nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	735	ws.ws_xpixel = width;
552	#ifndef DEBUG_SIZE	736	ws.ws_ypixel = height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	737	ioctl (pty->pty, TIOCSWINSZ, &ws);
554	#else	738
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	739	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	740	// TIOCSWINSZ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	741	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	742	kill (-cmd_pid, SIGWINCH);
561	# endif
562	#endif	743	#endif
563	}	744	}
564		745
565	/*----------------------------------------------------------------------*/	746	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	747	/* set_fonts () - load and set the various fonts
567	/*	748	*
568	* init = 1 - initialize	749	* init = 1 - initialize
569	*	750	*
570	* fontname == FONT_UP - switch to bigger font	751	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	752	* fontname == FONT_DN - switch to smaller font
572	*/	753	*/
573	/* EXTPROTO */	754	bool
574	void	755	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	756	{
577	}	757	rxvt_fontset *fs = new rxvt_fontset (this);
		758	rxvt_fontprop prop;
578		759
579	/* INTPROTO */	760	if (!fs
		761	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		762	|| !fs->realize_font (1))
		763	{
		764	delete fs;
		765	return false;
		766	}
		767
		768	#if ENABLE_STYLES
		769	for (int i = RS_styleCount; --i; )
		770	if (fontset[i] != fontset[0])
		771	delete fontset[i];
		772	#endif
		773
		774	delete fontset[0];
		775	fontset[0] = fs;
		776
		777	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		778	prop.height += lineSpace;
		779	prop.width += letterSpace;
		780
		781	fs->set_prop (prop, false);
		782
		783	fwidth = prop.width;
		784	fheight = prop.height;
		785	fbase = prop.ascent;
		786
		787	for (int style = 1; style < 4; style++)
		788	{
		789	#if ENABLE_STYLES
		790	const char *res = rs[Rs_font + style];
		791
		792	if (res && !*res)
		793	fontset[style] = fontset[0];
		794	else
		795	{
		796	fontset[style] = fs = new rxvt_fontset (this);
		797	rxvt_fontprop prop2 = prop;
		798
		799	if (res)
		800	{
		801	fs->populate (res);
		802	fs->set_prop (prop2, false);
		803	}
		804	else
		805	{
		806	fs->populate (fontset[0]->fontdesc);
		807
		808	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		809	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		810
		811	fs->set_prop (prop2, true);
		812	}
		813
		814	}
		815	#else
		816	fontset[style] = fontset[0];
		817	#endif
		818	}
		819
		820	if (parent[0])
		821	{
		822	resize_all_windows (0, 0, 0);
		823	scr_remap_chars ();
		824	scr_touch (true);
		825	}
		826
		827	return true;
		828	}
		829
580	void	830	void
581	rxvt_font_up_down(pR_ int n, int direction)	831	rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	832	{
		833	XChangeProperty (dpy, parent[0],
		834	prop, XA_STRING, 8, PropModeReplace,
		835	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		836	}
		837
		838	void
		839	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		840	{
		841	XTextProperty ct;
		842
		843	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		844	{
		845	XSetTextProperty (dpy, parent[0], &ct, prop);
		846	XFree (ct.value);
		847	}
		848	}
		849
		850	void
		851	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		852	{
		853	wchar_t *ws = rxvt_mbstowcs (str, len);
		854	char *s = rxvt_wcstoutf8 (ws);
		855
		856	XChangeProperty (dpy, parent[0],
		857	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		858	(const unsigned char *)s, strlen (s));
		859
		860	free (s);
		861	free (ws);
583	}	862	}
584		863
585	/*----------------------------------------------------------------------*/	864	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	865	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	866	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	867	void
590	rxvt_set_title(pR_ const char *str)	868	rxvt_term::set_title (const char *str)
591	{	869	{
592	#ifndef SMART_WINDOW_TITLE	870	set_mbstring_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	871	#if ENABLE_EWMH
594	#else	872	set_utf8_property (xa[XA_NET_WM_NAME], str);
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif	873	#endif
604	}	874	}
605		875
606	/* EXTPROTO */
607	void	876	void
608	rxvt_set_iconName(pR_ const char *str)	877	rxvt_term::set_icon_name (const char *str)
609	{	878	{
610	#ifndef SMART_WINDOW_TITLE	879	set_mbstring_property (XA_WM_ICON_NAME, str);
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	880	#if ENABLE_EWMH
612	#else	881	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	882	#endif
622	}	883	}
623		884
		885	void
		886	rxvt_term::set_window_color (int idx, const char *color)
		887	{
624	#ifdef XTERM_COLOR_CHANGE	888	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;	889	rxvt_color xcol;
630	int i;
631		890
632	if (color == NULL || *color == '\0')	891	if (color == NULL || *color == '\0')
633	return;	892	return;
634		893
		894	color = strdup (color);
		895	allocated.push_back ((void *)color);
		896	rs[Rs_color + idx] = color;
		897
635	/* handle color aliases */	898	/* handle color aliases */
636	if (isdigit(*color)) {	899	if (isdigit (*color))
		900	{
637	i = atoi(color);	901	int i = atoi (color);
638	if (i >= 8 && i <= 15) { /* bright colors */	902
639	i -= 8;	903	if (i >= 8 && i <= 15)
640	# ifndef NO_BRIGHTCOLOR	904	{
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	905	/* bright colors */
642	SET_PIXCOLOR(R, idx);	906	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
643	goto Done;	907	goto done;
644	# endif
645	}	908	}
646	if (i >= 0 && i <= 7) { /* normal colors */	909
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];	910	if (i >= 0 && i <= 7)
648	SET_PIXCOLOR(R, idx);	911	{
		912	/* normal colors */
		913	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
649	goto Done;	914	goto done;
650	}	915	}
651	}	916	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655		917
656	/*	918	set_color (xcol, color);
		919
		920	/*
657	* FIXME: should free colors here, but no idea how to do it so instead,	921	* FIXME: should free colors here, but no idea how to do it so instead,
658	* so just keep gobbling up the colormap	922	* so just keep gobbling up the colormap
659	*/	923	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670		924
671	R->PixColors[idx] = xcol;	925	pix_colors_focused[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673		926
674	/* XSetWindowAttributes attr; */	927	done:
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */	928	/*TODO: handle Color_BD, scrollbar background, etc. */
682		929
683	rxvt_set_colorfgbg(aR);	930	update_fade_color (idx);
684	rxvt_recolour_cursor(aR);	931	recolour_cursor ();
685	/* the only reasonable way to enforce a clean update */	932	scr_recolour ();
686	rxvt_scr_poweron(aR);	933	#endif /* XTERM_COLOR_CHANGE */
687	}	934	}
688		935
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */
692
693	/* EXTPROTO */
694	void	936	void
695	rxvt_recolour_cursor(pR)	937	rxvt_term::recolour_cursor ()
696	{	938	{
697	rxvt_color xcol[2];	939	XColor fg, bg;
698		940
699	#if TODO	941	(ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	942	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	943	: pix_colors_focused[Color_fg]).get (fg);
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	944
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	945	(ISSET_PIXCOLOR (Color_pointer_bg)
704	#endif	946	? pix_colors_focused[Color_pointer_bg]
		947	: pix_colors_focused[Color_bg]).get (bg);
		948
		949	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
705	}	950	}
706		951
707	/*----------------------------------------------------------------------*/	952	/*----------------------------------------------------------------------*/
708	/*	953	/*
709	* find if fg/bg matches any of the normal (low-intensity) colors	954	* find if fg/bg matches any of the normal (low-intensity) colors
710	*/	955	*/
711	/* INTPROTO */
712	void	956	void
713	rxvt_set_colorfgbg(pR)	957	rxvt_term::set_colorfgbg ()
714	{	958	{
715	unsigned int i;	959	unsigned int i;
716	const char *xpmb = "\0";	960	const char *xpmb = "";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	961	char fstr[] = "default";
		962	char bstr[] = "default";
718		963
719	R->env_colorfgbg =
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
721	STRCPY(fstr, "default");
722	STRCPY(bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	964	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	965	if (pix_colors[Color_fg] == pix_colors[i])
		966	{
725	sprintf(fstr, "%d", (i - Color_Black));	967	sprintf (fstr, "%d", i - Color_Black);
726	break;	968	break;
727	}	969	}
		970
728	for (i = Color_Black; i <= Color_White; i++)	971	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	972	if (pix_colors[Color_bg] == pix_colors[i])
		973	{
730	sprintf(bstr, "%d", (i - Color_Black));	974	sprintf (bstr, "%d", i - Color_Black);
731	#ifdef XPM_BACKGROUND	975	#ifdef BG_IMAGE_FROM_FILE
732	xpmb = "default;";	976	xpmb = "default;";
733	#endif	977	#endif
734	break;	978	break;
735	}	979	}
		980
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	981	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	982	}
749		983
750	/*----------------------------------------------------------------------*/	984	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		985
756	/* EXTPROTO */	986	bool
757	int	987	rxvt_term::set_color (rxvt_color &color, const char *name)
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759	{	988	{
760	screen_in_out->set(aR_ colour);	989	if (color.set (this, name))
761
762	if (!screen_in_out->set(aR_ colour)) {
763	rxvt_print_error("can't allocate colour: %s", colour);
764	return false;
765	}
766
767	return true;	990	return true;
		991
		992	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		993	return false;
		994	}
		995
		996	void
		997	rxvt_term::alias_color (int dst, int src)
		998	{
		999	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
768	}	1000	}
769		1001
770	/* -------------------------------------------------------------------- *	1002	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	1003	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	1004	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	1005	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1006	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776	int ignoreparent)
777	{	1007	{
778	int fix_screen;	1008	int fix_screen;
		1009	int old_width = szHint.width;
		1010	int old_height = szHint.height;
779		1011
		1012	window_calc (newwidth, newheight);
		1013
		1014	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1015
		1016	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1017	if (set_hint)
		1018	{
		1019	szHint.flags &= ~(PBaseSize | PResizeInc);
		1020	XSetWMNormalHints (dpy, parent[0], &szHint);
		1021	szHint.flags |= PBaseSize | PResizeInc;
		1022	}
		1023
		1024	if (!ignoreparent)
		1025	{
780	#ifdef SMART_RESIZE	1026	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	1027	/*
782	#endif
783
784	rxvt_window_calc(aR_ width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786	if (!ignoreparent) {
787	#ifdef SMART_RESIZE
788	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1028	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	1029	* reposition window on resize depending on placement on screen
791	*/	1030	*/
792	int x, y, x1, y1;	1031	int x, y, x1, y1;
793	int dx, dy;	1032	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1033	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	1034	Window unused_cr;
796		1035
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1036	XTranslateCoordinates (dpy, parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	1037	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1038	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1039	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	1040	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	1041	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	1042	* our position for handles and decorations. Counter it
804	*/	1043	*/
805	if (x1 != x || y1 != y) {	1044	if (x1 != x || y1 != y)
		1045	{
806	x -= x1;	1046	x -= x1;
807	y -= y1;	1047	y -= y1;
808	}	1048	}
809		1049
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1050	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1051	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	1052	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	1053	dy = old_height - szHint.height;
814		1054
815	/* Check position of the center of the window */	1055	/* Check position of the center of the window */
816	if (x < x1) /* left half */	1056	if (x < x1) /* left half */
817	dx = 0;	1057	dx = 0;
818	else if (x == x1) /* exact center */	1058	else if (x == x1) /* exact center */
819	dx /= 2;	1059	dx /= 2;
820	if (y < y1) /* top half */	1060	if (y < y1) /* top half */
821	dy = 0;	1061	dy = 0;
822	else if (y == y1) /* exact center */	1062	else if (y == y1) /* exact center */
823	dy /= 2;	1063	dy /= 2;
824		1064
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1065	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	1066	szHint.width, szHint.height);
827	#else	1067	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1068	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	1069	#endif
831	}	1070	}
832		1071
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	1072	if (set_hint)
834	|| R->TermWin.nrow != R->prev_nrow);	1073	XSetWMNormalHints (dpy, parent[0], &szHint);
		1074
		1075	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1076
835	if (fix_screen || width != R->old_width || height != R->old_height) {	1077	if (fix_screen || newwidth != old_width || newheight != old_height)
836	if (scrollbar_visible(R)) {
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
838	0, scrollbar_TotalWidth(), R->szHint.height);
839	rxvt_Resize_scrollBar(aR);
840	}
841	if (menubar_visible(R))
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845	R->window_vt_y, TermWin_TotalWidth(),
846	TermWin_TotalHeight());
847	#ifdef RXVT_GRAPHICS
848	if (R->old_height)
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850	R->old_height - R->szHint.base_height);
851	#endif
852	rxvt_scr_clear(aR);
853	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);
855	#endif
856	}	1078	{
		1079	if (scrollBar.state)
		1080	scrollBar.resize ();
857		1081
		1082	XMoveResizeWindow (dpy, vt,
		1083	window_vt_x, window_vt_y,
		1084	width, height);
		1085
		1086	#ifdef HAVE_BG_PIXMAP
		1087	if (bgPixmap.window_size_sensitive ())
		1088	update_background ();
		1089	#endif
		1090	}
		1091
858	if (fix_screen || R->old_height == 0) {	1092	if (fix_screen || old_height == 0)
859	int curr_screen = -1;	1093	scr_reset ();
860	uint16_t old_ncol = R->prev_ncol;
861
862	/* scr_reset only works on the primary screen */
863	if (R->old_height) /* this is not the first time through */
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
865	rxvt_scr_reset(aR);
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}
870	}
871
872	R->old_width = R->szHint.width;
873	R->old_height = R->szHint.height;
874		1094
875	#ifdef USE_XIM	1095	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1096	IMSetPosition ();
877	#endif	1097	#endif
878	}	1098	}
879		1099
880	/*	1100	/*
881	* Set the width/height of the vt window in characters. Units are pixels.	1101	* Set the width/height of the vt window in characters. Units are pixels.
882	* good for toggling 80/132 columns	1102	* good for toggling 80/132 columns
883	*/	1103	*/
884	/* EXTPROTO */
885	void	1104	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1105	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887	{	1106	{
888	XWindowAttributes wattr;	1107	XWindowAttributes wattr;
889		1108
890	if (width == 0 || height == 0) {	1109	if (newwidth == 0 || newheight == 0)
		1110	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1111	XGetWindowAttributes (dpy, display->root, &wattr);
		1112
892	if (width == 0)	1113	if (newwidth == 0)
893	width = wattr.width - R->szHint.base_width;	1114	newwidth = wattr.width - szHint.base_width;
894	if (height == 0)	1115	if (newheight == 0)
895	height = wattr.height - R->szHint.base_height;	1116	newheight = wattr.height - szHint.base_height;
		1117	}
		1118
		1119	if (newwidth != width || newheight != height)
896	}	1120	{
897	if (width != R->TermWin.width || height != R->TermWin.height) {
898	width += R->szHint.base_width;	1121	newwidth += szHint.base_width;
899	height += R->szHint.base_height;	1122	newheight += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1123	resize_all_windows (newwidth, newheight, 0);
901	}	1124	}
902	}	1125	}
903		1126
904	/* -------------------------------------------------------------------- *	1127	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1128	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1129	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1130	#ifdef USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1131
918	/* INTPROTO */
919	void	1132	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1133	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1134	{
922	*fg = R->PixColors[Color_fg];	1135	fg = pix_colors [Color_fg];
923	*bg = R->PixColors[Color_bg];	1136	bg = pix_colors [Color_bg];
		1137	}
		1138
		1139	void
		1140	rxvt_term::im_set_size (XRectangle &size)
		1141	{
		1142	// the int_bwidth terms make no sense to me
		1143	size.x = int_bwidth;
		1144	size.y = int_bwidth;
		1145	size.width = Width2Pixel (ncol) + int_bwidth;
		1146	size.height = Height2Pixel (nrow) + int_bwidth;
		1147	}
		1148
		1149	void
		1150	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1151	XRectangle &status_rect,
		1152	const XRectangle &needed_rect)
		1153	{
		1154	preedit_rect.x = needed_rect.width;
		1155	preedit_rect.y = 0;
		1156	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1157	preedit_rect.height = fheight;
		1158
		1159	status_rect.x = 0;
		1160	status_rect.y = 0;
		1161	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1162	status_rect.height = fheight;
924	}	1163	}
925		1164
926	/* Checking whether input method is running. */	1165	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1166	bool
929	rxvt_IMisRunning(pR)	1167	rxvt_term::IMisRunning ()
930	{	1168	{
931	char *p;	1169	Atom atom;
932	Atom atom;	1170	Window win;
933	Window win;
934	char server[IMBUFSIZ];	1171	char server[IMBUFSIZ];
935		1172
936	/* get current locale modifier */	1173	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1174	if (char *p = XSetLocaleModifiers (0))
		1175	{
938	STRCPY(server, "@server=");	1176	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1177	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1178
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1179	if (p = strchr (server + 1, '@')) /* first one only */
941	*p = '\0';	1180	*p = '\0';
942		1181
943	atom = XInternAtom(R->Xdisplay, server, False);	1182	atom = XInternAtom (dpy, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1183	win = XGetSelectionOwner (dpy, atom);
		1184
945	if (win != None)	1185	if (win != None)
946	return True;	1186	return True;
947	}	1187	}
		1188
948	return False;	1189	return False;
949	}	1190	}
950		1191
951	/* EXTPROTO */
952	void	1192	void
953	rxvt_IMSendSpot(pR)	1193	rxvt_term::IMSendSpot ()
954	{	1194	{
955	XPoint spot;	1195	XPoint nspot;
956	XVaNestedList preedit_attr;	1196	XVaNestedList preedit_attr;
957		1197
958	if (R->Input_Context == NULL	1198	if (!Input_Context
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1199	|| !focus
960	|| !(R->event_type == KeyPress	1200	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1201	return;
967		1202
968	rxvt_setPosition(aR_ & spot);	1203	im_set_position (nspot);
969		1204
		1205	if (nspot.x == spot.x && nspot.y == spot.y)
		1206	return;
		1207
		1208	spot = nspot;
		1209
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1210	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1211	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1212	XFree (preedit_attr);
973	}	1213	}
974		1214
975	/* EXTPROTO */
976	void	1215	void
977	rxvt_setTermFontSet(pR_ int idx)	1216	rxvt_term::im_destroy ()
978	{	1217	{
979	char *string;	1218	if (input_method)
980	long length;	1219	{
981	int success = 0;	1220	if (Input_Context && input_method->xim)
		1221	XDestroyIC (Input_Context);
982		1222
983	if (idx < 0 || idx >= MAX_NFONTS)	1223	display->put_xim (input_method);
984	return;	1224	input_method = 0;
985	}	1225	}
986		1226
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;	1227	Input_Context = 0;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}	1228	}
1029		1229
1030	/*	1230	#ifdef ENABLE_XIM_ONTHESPOT
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049		1231
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1232	static void
1051	if (R->Input_Context)	1233	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052	return;	1234	{
		1235	((rxvt_term *)client_data)->make_current ();
		1236	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1237	}
1053		1238
1054	found = had_im = 0;	1239	static void
1055	p = R->rs[Rs_inputMethod];	1240	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056	if (p && *p) {	1241	{
1057	had_im = 1;	1242	((rxvt_term *)client_data)->make_current ();
1058	s = rxvt_splitcommastring(p);	1243	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059	for (i = 0; s[i]; i++) {	1244	}
1060	if (*s[i]) {	1245
1061	STRCPY(buf, "@im=");	1246	static void
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1247	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1248	{
1064	&& (rxvt_IM_get_IC(aR) == True)) {	1249	rxvt_term *term = (rxvt_term *)client_data;
1065	found = 1;	1250	XIMText *text = call_data->text;
1066	break;	1251
1067	}	1252	term->make_current ();
1068	}	1253
		1254	if (text)
		1255	{
		1256	wchar_t *str;
		1257
		1258	if (!text->encoding_is_wchar && text->string.multi_byte)
		1259	{
		1260	// of course, X makes it ugly again
		1261	if (term->rs[Rs_imLocale])
		1262	SET_LOCALE (term->rs[Rs_imLocale]);
		1263
		1264	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1265	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1266
		1267	if (term->rs[Rs_imLocale])
		1268	SET_LOCALE (term->locale);
1069	}	1269	}
1070	for (i = 0; s[i]; i++)	1270	else
1071	free(s[i]);	1271	str = text->string.wide_char;
1072	free(s);
1073	}
1074	if (found)
1075	return;
1076		1272
1077	/* try with XMODIFIERS env. var. */	1273	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1274	DT_INT, call_data->caret,
1079	rxvt_IM_get_IC(aR);	1275	DT_INT, call_data->chg_first,
1080	return;	1276	DT_INT, call_data->chg_length,
		1277	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1278	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1279	DT_END));
1081	}	1280	}
1082		1281	else
1083	/* try with no modifiers base IF the user didn't specify an IM */	1282	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1283	DT_INT, call_data->caret,
1085	&& rxvt_IM_get_IC(aR) == True)	1284	DT_INT, call_data->chg_first,
1086	return;	1285	DT_INT, call_data->chg_length,
		1286	DT_END));
1087	}	1287	}
		1288
		1289	#if 0
		1290	static void
		1291	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1292	{
		1293	((rxvt_term *)client_data)->make_current ();
		1294	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1295	DT_INT, call_data->position,
		1296	DT_INT, call_data->direction,
		1297	DT_INT, call_data->style,
		1298	DT_END));
		1299	}
		1300	#endif
		1301
		1302	#endif
1088		1303
1089	/*	1304	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1305	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1306	* open a suitable preedit type
1092	*/	1307	*/
1093	/* INTPROTO */
1094	Bool	1308	bool
1095	rxvt_IM_get_IC(pR)	1309	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1310	{
1097	int i, j, found;	1311	int i, j, found;
1098	XIM xim;	1312	XIM xim;
1099	XPoint spot;	1313	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1314	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1315	unsigned long fg, bg;
1102	const char *p;	1316	const char *p;
1103	char **s;	1317	char **s;
1104	XIMStyles *xim_styles;	1318	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;	1319	#ifdef ENABLE_XIM_ONTHESPOT
1106	XIMCallback ximcallback;	1320	XIMCallback xcb[4];
		1321	#endif
1107		1322
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1323	set_environ (envv);
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1324
1110	if (xim == NULL)	1325	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111	return False;	1326	return false;
1112		1327
		1328	input_method = display->get_xim (locale, modifiers);
		1329	if (input_method == NULL)
		1330	return false;
		1331
		1332	xim = input_method->xim;
		1333	spot.x = spot.y = -1;
		1334
1113	xim_styles = NULL;	1335	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1336	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1337	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1338	{
		1339	im_destroy ();
1117	return False;	1340	return false;
		1341	}
		1342
		1343	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1344
		1345	for (int pi = 0; pi < 2; pi++)
1118	}	1346	{
		1347	p = pet[pi];
1119		1348
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1349	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1350	continue;
1122	s = rxvt_splitcommastring(p);	1351
		1352	s = rxvt_strsplit (',', p);
		1353
1123	for (i = found = 0; !found && s[i]; i++) {	1354	for (i = found = 0; !found && s[i]; i++)
		1355	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1356	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1357	input_style = XIMPreeditPosition | XIMStatusNothing;
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1358	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1359	input_style = XIMPreeditArea | XIMStatusArea;
1128	else if (!STRCMP(s[i], "Root"))	1360	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1361	input_style = XIMPreeditNothing | XIMStatusNothing;
		1362	else if (!strcmp (s[i], "None"))
		1363	input_style = XIMPreeditNone | XIMStatusNone;
		1364	#ifdef ENABLE_XIM_ONTHESPOT
		1365	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1366	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1367	#endif
		1368	else
		1369	input_style = XIMPreeditNothing | XIMStatusNothing;
1130		1370
1131	for (j = 0; j < xim_styles->count_styles; j++)	1371	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1372	if (input_style == xim_styles->supported_styles[j])
		1373	{
		1374	rxvt_free_strsplit (s);
		1375
1133	found = 1;	1376	found = 1;
		1377	goto foundpet;
		1378	}
		1379
		1380	}
		1381
		1382	rxvt_free_strsplit (s);
		1383	}
		1384
		1385	foundpet:
		1386
		1387	XFree (xim_styles);
		1388
		1389	if (!found)
		1390	{
		1391	im_destroy ();
		1392	return false;
		1393	}
		1394
		1395	XFontSet fs = 0;
		1396	XVaNestedList preedit_attr = 0, status_attr = 0;
		1397
		1398	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1399	{
		1400	// fake us a font-set, please
		1401	char **missing_charset_list;
		1402	int missing_charset_count;
		1403	char *def_string;
		1404	char pat[512];
		1405
		1406	sprintf (pat,
		1407	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1408	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1409	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1410	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"*",
		1413	fheight,
		1414	fheight + 1, fheight - 1,
		1415	fheight - 2, fheight + 2);
		1416
		1417	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1418	&missing_charset_list, &missing_charset_count, &def_string);
		1419
		1420	if (missing_charset_list)
		1421	XFreeStringList (missing_charset_list);
		1422
		1423	if (!fs)
		1424	{
		1425	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1426	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1427	}
		1428	}
		1429
		1430	if (input_style & XIMPreeditPosition)
		1431	{
		1432	im_set_size (rect);
		1433	im_set_position (spot);
		1434	im_set_color (fg, bg);
		1435
		1436	preedit_attr = XVaCreateNestedList (0,
		1437	XNForeground, fg,
		1438	XNBackground, bg,
		1439	XNArea, &rect,
		1440	XNSpotLocation, &spot,
		1441	XNFontSet, fs,
		1442	NULL);
		1443	}
		1444	else if (input_style & XIMPreeditArea)
		1445	{
		1446	im_set_color (fg, bg);
		1447
		1448	/*
		1449	* The necessary width of preedit area is unknown
		1450	* until create input context.
		1451	*/
		1452	needed_rect.width = 0;
		1453	im_set_preedit_area (rect, status_rect, needed_rect);
		1454
		1455	preedit_attr = XVaCreateNestedList (0,
		1456	XNForeground, fg,
		1457	XNBackground, bg,
		1458	XNArea, &rect,
		1459	XNFontSet, fs,
		1460	NULL);
		1461	status_attr = XVaCreateNestedList (0,
		1462	XNForeground, fg,
		1463	XNBackground, bg,
		1464	XNArea, &status_rect,
		1465	XNFontSet, fs,
		1466	NULL);
		1467	}
		1468	#if ENABLE_XIM_ONTHESPOT
		1469	else if (input_style & XIMPreeditCallbacks)
		1470	{
		1471	im_set_position (spot);
		1472
		1473	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1474	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1475	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1476	# if 0
		1477	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1478	# endif
		1479
		1480	preedit_attr = XVaCreateNestedList (0,
		1481	XNSpotLocation, &spot,
		1482	XNPreeditStartCallback, &xcb[0],
		1483	XNPreeditDoneCallback , &xcb[1],
		1484	XNPreeditDrawCallback , &xcb[2],
		1485	# if 0
		1486	XNPreeditCaretCallback, &xcb[3],
		1487	# endif
		1488	NULL);
		1489	}
		1490	#endif
		1491
		1492	Input_Context = XCreateIC (xim,
		1493	XNInputStyle, input_style,
		1494	XNClientWindow, vt,
		1495	XNFocusWindow, parent[0],
		1496	preedit_attr ? XNPreeditAttributes : NULL,
		1497	preedit_attr,
		1498	status_attr ? XNStatusAttributes : NULL,
		1499	status_attr, NULL);
		1500
		1501	if (preedit_attr) XFree (preedit_attr);
		1502	if (status_attr) XFree (status_attr);
		1503	if (fs) XFreeFontSet (dpy, fs);
		1504
		1505	if (Input_Context == NULL)
		1506	{
		1507	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1508	im_destroy ();
		1509	return false;
		1510	}
		1511
		1512	#if 0
		1513	// unfortunately, only the focus window is used by XIM, hard to fix
		1514	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1515	vt_select_input ();
		1516	#endif
		1517
		1518	IMSetPosition ();
		1519
		1520	return true;
		1521	}
		1522
		1523	void
		1524	rxvt_term::im_cb ()
		1525	{
		1526	int i;
		1527	const char *p;
		1528	char **s;
		1529	char buf[IMBUFSIZ];
		1530
		1531	make_current ();
		1532
		1533	im_destroy ();
		1534
		1535	if (Input_Context)
		1536	return;
		1537
		1538	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1539	if (rs[Rs_imLocale])
		1540	SET_LOCALE (rs[Rs_imLocale]);
		1541	#endif
		1542
		1543	p = rs[Rs_inputMethod];
		1544	if (p && *p)
		1545	{
		1546	bool found = false;
		1547
		1548	s = rxvt_strsplit (',', p);
		1549
		1550	for (i = 0; s[i]; i++)
		1551	{
		1552	if (*s[i])
		1553	{
		1554	strcpy (buf, "@im=");
		1555	strncat (buf, s[i], IMBUFSIZ - 5);
		1556	if (IM_get_IC (buf))
		1557	{
		1558	found = true;
1134	break;	1559	break;
		1560	}
1135	}	1561	}
1136	}	1562	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1563
		1564	rxvt_free_strsplit (s);
		1565
1142	if (!found) {	1566	if (found)
1143	XCloseIM(xim);	1567	goto done;
1144	return False;
1145	}	1568	}
1146		1569
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1570	/* try with XMODIFIERS env. var. */
		1571	if (IM_get_IC (""))
		1572	goto done;
1148		1573
1149	/* XXX: not sure why we need this (as well as IC one below) */	1574	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1575	if (IM_get_IC ("@im=none"))
		1576	goto done;
1151		1577
1152	preedit_attr = status_attr = NULL;	1578	done:
1153		1579	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1580	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1581	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1582	#endif
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1583	}
1206		1584
1207	/* EXTPROTO */
1208	void	1585	void
1209	rxvt_IMSetStatusPosition(pR)	1586	rxvt_term::IMSetPosition ()
1210	{	1587	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1588	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1589	XVaNestedList preedit_attr, status_attr;
1213		1590
1214	if (R->Input_Context == NULL	1591	if (!Input_Context
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1592	|| !focus
		1593	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1216	|| !rxvt_IMisRunning(aR))	1594	|| !IMisRunning ())
1217	return;	1595	return;
1218		1596
		1597	if (input_style & XIMPreeditPosition)
		1598	{
		1599	im_set_size (preedit_rect);
		1600	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1601
		1602	XSetICValues (Input_Context,
		1603	XNPreeditAttributes, preedit_attr, NULL);
		1604	}
		1605	else
		1606	{
1219	/* Getting the necessary width of preedit area */	1607	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1609	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1610	XFree (status_attr);
1223		1611
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1612	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1613	XFree (needed_rect);
1225		1614
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1615	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1616	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1617
1229	XSetICValues(R->Input_Context,	1618	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1619	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1620	XNStatusAttributes, status_attr,
		1621	NULL);
1232		1622
		1623	XFree (status_attr);
		1624	}
		1625
1233	XFree(preedit_attr);	1626	XFree (preedit_attr);
1234	XFree(status_attr);
1235	}	1627	}
1236	#endif /* USE_XIM */	1628	#endif /* USE_XIM */
1237		1629
1238	/*----------------------------------------------------------------------*/	1630	void
1239	rxvt_t rxvt_current_term;	1631	rxvt_term::get_window_origin (int &x, int &y)
		1632	{
		1633	Window cr;
		1634	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1635	}
		1636
		1637	Pixmap
		1638	rxvt_term::get_pixmap_property (Atom property)
		1639	{
		1640	Pixmap pixmap = None;
		1641
		1642	int aformat;
		1643	unsigned long nitems, bytes_after;
		1644	Atom atype;
		1645	unsigned char *prop;
		1646	int result = XGetWindowProperty (dpy, display->root, property,
		1647	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1648	&nitems, &bytes_after, &prop);
		1649	if (result == Success)
		1650	{
		1651	if (atype == XA_PIXMAP)
		1652	pixmap = *(Pixmap *)prop;
		1653	XFree (prop);
		1654	}
		1655
		1656	return pixmap;
		1657	}
		1658
		1659	#ifdef HAVE_BG_PIXMAP
		1660
		1661	void
		1662	rxvt_term::update_background ()
		1663	{
		1664	if (update_background_ev.is_active ())
		1665	return;
		1666
		1667	bgPixmap.invalidate ();
		1668
		1669	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1670
		1671	if (to_wait <= 0.)
		1672	bgPixmap.render ();
		1673	else
		1674	update_background_ev.start (to_wait);
		1675	}
		1676
		1677	void
		1678	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1679	{
		1680	make_current ();
		1681
		1682	update_background_ev.stop ();
		1683	bgPixmap.render ();
		1684	refresh_check ();
		1685	}
		1686
		1687	#endif /* HAVE_BG_PIXMAP */
1240		1688
1241	/*----------------------- end-of-file (C source) -----------------------*/	1689	/*----------------------- end-of-file (C source) -----------------------*/

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