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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:27 2003 UTC vs.
Revision 1.389 by root, Sun Feb 17 00:52:04 2013 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.2 2003/11/24 17:31:27 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>
10	* - extensive modifications	9	* - extensive modifications
11	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>	10	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
28	* You should have received a copy of the GNU General Public License	28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, write to the Free Software	29	* along with this program; if not, write to the Free Software
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
47	/*----------------------------------------------------------------------*/	47	#ifdef HAVE_XSETLOCALE
48	/* rxvt_init() */	48	# define X_LOCALE
49	/* LIBPROTO */	49	# include <X11/Xlocale.h>
50	rxvt_t *
51	rxvt_init(int argc, const char *const *argv)
52	{
53	const char **cmd_argv;
54
55	SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t)));
56
57	dR;
58	if (rxvt_init_vars(aR) < 0) {
59	free(R);
60	return NULL;
61	}
62
63	/*
64	* Save and then give up any super-user privileges
65	* If we need privileges in any area then we must specifically request it.
66	* We should only need to be root in these cases:
67	* 1. write utmp entries on some systems
68	* 2. chown tty on some systems
69	*/
70	rxvt_privileges(aR_ SAVE);
71	rxvt_privileges(aR_ IGNORE);
72
73	rxvt_init_secondary(aR);
74
75	cmd_argv = rxvt_init_resources(aR_ argc, argv);
76
77	#if (MENUBAR_MAX)
78	rxvt_menubar_read(aR_ R->h->rs[Rs_menu]);
79	#endif
80	#ifdef HAVE_SCROLLBARS
81	if (R->Options & Opt_scrollBar)
82	scrollbar_setIdle(); /* set existence for size calculations */
83	#endif
84
85	rxvt_Create_Windows(aR_ argc, argv);
86
87	rxvt_init_xlocale(aR);
88
89	rxvt_scr_reset(aR); /* initialize screen */
90	#ifdef RXVT_GRAPHICS
91	rxvt_Gr_reset(aR); /* reset graphics */
92	#endif
93
94	#if 0
95	#ifdef DEBUG_X
96	XSynchronize(R->Xdisplay, True);
97	XSetErrorHandler((XErrorHandler) abort);
98	#else	50	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	51	# include <locale.h>
100	#endif	52	#endif
101	#endif
102		53
103	#ifdef HAVE_SCROLLBARS	54	struct termios rxvt_term::def_tio;
104	if (R->Options & Opt_scrollBar)	55	vector<rxvt_term *> rxvt_term::termlist;
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */	56
106	#endif	57	// used to tell global functions which terminal instance is "active"
107	#if (MENUBAR_MAX)	58	rxvt_t rxvt_current_term;
108	if (menubar_visible(r))	59
109	XMapWindow(R->Xdisplay, R->menuBar.win);	60	static char curlocale[128], savelocale[128];
110	#endif	61
111	#ifdef TRANSPARENT	62	bool
112	if (R->Options & Opt_transparent) {	63	rxvt_set_locale (const char *locale) NOTHROW
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	64	{
114	rxvt_check_our_parents(aR);	65	int size = strlen (locale) + 1;
		66
		67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
		74	setlocale (LC_CTYPE, curlocale);
		75	return true;
		76	}
		77
		78	void
		79	rxvt_push_locale (const char *locale) NOTHROW
		80	{
		81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
		84
		85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason, near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
115	}	102	{
116	#endif	103	if (cc->c2 == c2) return c1;
117	XMapWindow(R->Xdisplay, R->TermWin.vt);	104	cc = (*this)[cc->c1];
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	105	}
119		106
120	rxvt_init_env(aR);	107	// check to see whether this combination already exists otherwise
121	rxvt_init_command(aR_ cmd_argv);	108	for (cc = v.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
122		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
		148	return len;
		149
		150	}
		151	#endif
		152
		153	rxvt_term::rxvt_term ()
		154	{
		155	#if HAVE_BG_PIXMAP
		156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		157	#endif
		158	#ifdef CURSOR_BLINK
		159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		160	#endif
		161	#ifdef TEXT_BLINK
		162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#if USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		179	#endif
		180	#ifdef POINTER_BLANK
		181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		182	#endif
		183	#ifndef NO_BELL
		184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		185	#endif
		186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
		193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
		212	}
		213
		214	rxvt_term::~rxvt_term ()
		215	{
		216	termlist.erase (find (termlist.begin (), termlist.end(), this));
		217
		218	emergency_cleanup ();
		219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	#if HAVE_IMG
		232	delete bg_img;
		233	#endif
		234
		235	if (display)
		236	{
		237	selection_clear ();
		238	selection_clear (true);
		239
		240	#if USE_XIM
		241	im_destroy ();
		242	#endif
		243	scrollBar.destroy ();
		244
		245	if (gc)
		246	XFreeGC (dpy, gc);
		247
		248	delete drawable;
		249
		250	// destroy all windows
		251	if (parent)
		252	XDestroyWindow (dpy, parent);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	pix_colors_unfocused [i].free (this);
		260	#endif
		261	}
		262
		263	clear ();
		264
		265	display->flush (); /* ideally .put should do this */
		266	displays.put (display);
		267	}
		268
		269	scr_release ();
		270
		271	/* clear all resources */
		272	for (int i = 0; i < allocated.size (); i++)
		273	free (allocated [i]);
		274
		275	free (selection.text);
		276	free (selection.clip_text);
		277	free (locale);
		278	free (v_buffer);
		279
		280	delete selection_req;
		281
		282	delete envv;
		283	delete argv;
		284
		285	#ifdef KEYSYM_RESOURCE
		286	delete keyboard;
		287	#endif
		288	#ifndef NO_RESOURCES
		289	XrmDestroyDatabase (option_db);
		290	#endif
		291	}
		292
		293	// child has exited, usually destroys
		294	void
		295	rxvt_term::child_cb (ev::child &w, int status)
		296	{
		297	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		298
		299	cmd_pid = 0;
		300
		301	if (!option (Opt_hold))
		302	destroy ();
		303	}
		304
		305	void
		306	rxvt_term::destroy ()
		307	{
		308	if (destroy_ev.is_active ())
123	return R;	309	return;
124	}
125		310
126	/* ------------------------------------------------------------------------- *	311	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
127	* SIGNAL HANDLING & EXIT HANDLER *
128	* ------------------------------------------------------------------------- */
129	/*
130	* Catch a SIGCHLD signal and exit if the direct child has died
131	*/
132	/* ARGSUSED */
133	/* EXTPROTO */
134	RETSIGTYPE
135	rxvt_Child_signal(int sig __attribute__((unused)))
136	{
137	dR;
138	int pid, save_errno = errno;
139		312
140	do {	313	#if ENABLE_OVERLAY
141	errno = 0;	314	scr_overlay_off ();
142	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143
144	if (pid == R->h->cmd_pid)
145	exit(EXIT_SUCCESS);
146
147	errno = save_errno;
148	signal(SIGCHLD, rxvt_Child_signal);
149	}
150
151	/*
152	* Catch a fatal signal and tidy up before quitting
153	*/
154	/* EXTPROTO */
155	RETSIGTYPE
156	rxvt_Exit_signal(int sig)
157	{
158	signal(sig, SIG_DFL);
159	#ifdef DEBUG_CMD
160	rxvt_print_error("signal %d", sig);
161	#endif	315	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165		316
166	/* ARGSUSED */	317	if (display)
167	/* INTPROTO */
168	int
169	rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)
170	{
171	dR;
172
173	if (R->h->allowedxerror == -1) {
174	R->h->allowedxerror = event->error_code;
175	return 0; /* ignored anyway */
176	}	318	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	319	#if USE_XIM
178	event->request_code, event->minor_code,	320	im_ev.stop (display);
179	event->error_code);	321	#endif
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	322	scrollbar_ev.stop (display);
181	exit(EXIT_FAILURE);	323	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
182	/* NOTREACHED */	324	rootwin_ev.stop (display);
		325	#endif
		326	termwin_ev.stop (display);
		327	vt_ev.stop (display);
		328	}
		329
		330	flush_ev.stop ();
		331	pty_ev.stop ();
		332	#ifdef CURSOR_BLINK
		333	cursor_blink_ev.stop ();
		334	#endif
		335	#ifdef TEXT_BLINK
		336	text_blink_ev.stop ();
		337	#endif
		338	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		339	cont_scroll_ev.stop ();
		340	#endif
		341	#ifdef SELECTION_SCROLLING
		342	sel_scroll_ev.stop ();
		343	#endif
		344	#ifdef POINTER_BLANK
		345	pointer_ev.stop ();
		346	#endif
		347
		348	destroy_ev.start ();
		349	}
		350
		351	void
		352	rxvt_term::destroy_cb (ev::idle &w, int revents)
		353	{
		354	make_current ();
		355
		356	delete this;
		357	}
		358
		359	void
		360	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		361	{
		362	if (!opt)
		363	return;
		364
		365	uint8_t mask = 1 << (opt & 7);
		366	uint8_t &val = options [opt >> 3];
		367
		368	val = val & ~mask | (set ? mask : 0);
183	}	369	}
184		370
185	/*----------------------------------------------------------------------*/	371	/*----------------------------------------------------------------------*/
186	/*	372	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	373	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* TODO: if debugging, this should free up any known resources if we can
189	*/	374	*/
190	/* EXTPROTO */	375	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		376
196	#ifdef DEBUG_SCREEN	377	static void
197	rxvt_scr_release(aR);	378	rxvt_emergency_cleanup ()
		379	{
		380	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		381	(*t)->emergency_cleanup ();
		382	}
		383
		384	#if !ENABLE_MINIMAL
		385	static void ecb_cold
		386	print_x_error (Display *dpy, XErrorEvent *event)
		387	{
		388	char buffer[BUFSIZ];
		389	char mesg[BUFSIZ];
		390	char number[32];
		391
		392	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		393
		394	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		395	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		396
		397	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		398	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		399	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		400
		401	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		402	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		403
		404	if (event->request_code >= 128)
		405	{
		406	#if 0
		407	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		408	int nexts;
		409	char **exts = XListExtensions (dpy, &nexts);
		410
		411	while (nexts)
		412	{
		413	char *extname = exts [nexts - 1];
		414	int major, first_event, first_error;
		415
		416	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		417	{
		418	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		419	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		420
		421	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		422	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		423	rxvt_warn ("+ (which is %s)\n", buffer);
		424
		425	break;
		426	}
		427
		428	printf ("nextss %d %s\n", nexts, extname);//D
		429	--nexts;
		430	++exts;
		431	}
		432	#else
		433	int nexts = 0;
		434	char **exts = 0;
198	#endif	435	#endif
199	#ifndef NO_SETOWNER_TTYDEV	436
200	rxvt_privileged_ttydev(aR_ RESTORE);	437	if (!nexts)
		438	{
		439	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		440
		441	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		442	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		443
		444	#if 0
		445	sprintf (number, "RENDER.%d", event->minor_code);
		446	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		447	rxvt_warn ("+ (which is %s)\n", buffer);
201	#endif	448	#endif
202	#ifdef UTMP_SUPPORT	449	}
203	rxvt_privileged_utmp(aR_ RESTORE);	450
204	#endif	451	XFreeExtensionList (exts);
205	#ifdef USE_XIM
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}	452	}
210	#endif
211	}
212
213	/* ------------------------------------------------------------------------- *
214	* MEMORY ALLOCATION WRAPPERS *
215	* ------------------------------------------------------------------------- */
216	/* EXTPROTO */
217	void *
218	rxvt_malloc(size_t size)
219	{
220	void *p;
221
222	p = malloc(size);
223	if (p)
224	return p;
225
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227	rxvt_clean_exit();
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}
231
232	/* EXTPROTO */
233	void *
234	rxvt_calloc(size_t number, size_t size)
235	{
236	void *p;
237
238	p = calloc(number, size);
239	if (p)
240	return p;
241
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
243	rxvt_clean_exit();
244	exit(EXIT_FAILURE);
245	/* NOTREACHED */
246	}
247
248	/* EXTPROTO */
249	void *
250	rxvt_realloc(void *ptr, size_t size)
251	{
252	void *p;
253
254	if (ptr)
255	p = realloc(ptr, size);
256	else	453	else
257	p = malloc(size);	454	{
258	if (p)	455	sprintf (number, "%d", event->request_code);
		456	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		457	rxvt_warn ("+ (which is %s)\n", buffer);
		458	}
		459
		460	if (event->error_code == BadWindow
		461	|| event->error_code == BadPixmap
		462	|| event->error_code == BadCursor
		463	|| event->error_code == BadFont
		464	|| event->error_code == BadDrawable
		465	|| event->error_code == BadColor
		466	|| event->error_code == BadGC
		467	|| event->error_code == BadIDChoice
		468	|| event->error_code == BadValue
		469	|| event->error_code == BadAtom)
		470	{
		471	if (event->error_code == BadValue)
		472	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		473	else if (event->error_code == BadAtom)
		474	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		475	else
		476	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		477
		478	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		479	}
		480	}
		481	#endif
		482
		483	int ecb_cold
		484	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		485	{
		486	if (GET_R->allowedxerror == -1)
		487	GET_R->allowedxerror = event->error_code;
		488	else
		489	{
		490	// GET_R is most likely not the terminal which caused the error,
		491	// so just output the error and continue
		492	#if ENABLE_MINIMAL
		493	old_xerror_handler (display, event);
		494	#else
		495	print_x_error (display, event);
		496	#endif
		497	}
		498
259	return p;	499	return 0;
		500	}
260		501
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	502	int ecb_cold
262	rxvt_clean_exit();	503	rxvt_xioerror_handler (Display *display)
		504	{
		505	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		506	DisplayString (display));
		507	rxvt_emergency_cleanup ();
263	exit(EXIT_FAILURE);	508	_exit (EXIT_FAILURE);
264	/* NOTREACHED */
265	}	509	}
266	/* ------------------------------------------------------------------------- *	510
267	* PRIVILEGED OPERATIONS *	511	static struct sig_handlers
268	* ------------------------------------------------------------------------- */
269	/* take care of suid/sgid super-user (root) privileges */
270	/* INTPROTO */
271	void
272	rxvt_privileges(pR_ int mode)
273	{	512	{
274	#if ! defined(__CYGWIN32__)	513	ev::sig sw_term, sw_int;
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	514
276	/* setreuid() is the poor man's setuid(), seteuid() */	515	/*
277	# define seteuid(a) setreuid(-1, (a))	516	* Catch a fatal signal and tidy up before quitting
278	# define setegid(a) setregid(-1, (a))	517	*/
279	# define HAVE_SETEUID	518	void sig_term (ev::sig &w, int revents);
		519
		520	sig_handlers ()
		521	{
		522	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		523	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		524	}
		525	} sig_handlers;
		526
		527	void
		528	sig_handlers::sig_term (ev::sig &w, int revents)
		529	{
		530	rxvt_emergency_cleanup ();
		531	w.stop ();
		532	kill (getpid (), w.signum);
		533	}
		534
		535	static void
		536	rxvt_get_ttymode (struct termios *tio)
		537	{
		538	if (tcgetattr (STDIN_FILENO, tio) < 0)
		539	memset (tio, 0, sizeof (struct termios));
		540
		541	for (int i = 0; i < NCCS; i++)
		542	tio->c_cc[i] = VDISABLE;
		543
		544	tio->c_cc[VINTR] = CINTR;
		545	tio->c_cc[VQUIT] = CQUIT;
		546	tio->c_cc[VERASE] = CERASE;
		547	#ifdef VERASE2
		548	tio->c_cc[VERASE2] = CERASE2;
		549	#endif
		550	tio->c_cc[VKILL] = CKILL;
		551	tio->c_cc[VEOF] = CEOF;
		552	tio->c_cc[VSTART] = CSTART;
		553	tio->c_cc[VSTOP] = CSTOP;
		554	tio->c_cc[VSUSP] = CSUSP;
		555	# ifdef VDSUSP
		556	tio->c_cc[VDSUSP] = CDSUSP;
280	# endif	557	# endif
281	# ifdef HAVE_SETEUID	558	# ifdef VREPRINT
282	switch (mode) {	559	tio->c_cc[VREPRINT] = CRPRNT;
283	case IGNORE:
284	/*
285	* change effective uid/gid - not real uid/gid - so we can switch
286	* back to root later, as required
287	*/
288	seteuid(getuid());
289	setegid(getgid());
290	break;
291	case SAVE:
292	R->h->euid = geteuid();
293	R->h->egid = getegid();
294	break;
295	case RESTORE:
296	seteuid(R->h->euid);
297	setegid(R->h->egid);
298	break;
299	}
300	# else
301	switch (mode) {
302	case IGNORE:
303	setuid(getuid());
304	setgid(getgid());
305	/* FALLTHROUGH */
306	case SAVE:
307	/* FALLTHROUGH */
308	case RESTORE:
309	break;
310	}
311	# endif	560	# endif
312	#endif	561	# ifdef VDISCRD
313	}	562	tio->c_cc[VDISCRD] = CFLUSH;
314
315	#ifdef UTMP_SUPPORT
316	/* EXTPROTO */
317	void
318	rxvt_privileged_utmp(pR_ char action)
319	{
320	struct rxvt_hidden *h = R->h;
321
322	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));
323	if (h->next_utmp_action != action
324	|| (action != SAVE && action != RESTORE)
325	|| (R->Options & Opt_utmpInhibit)
326	|| h->ttydev == NULL
327	|| *h->ttydev == '\0')
328	return;
329
330	rxvt_privileges(aR_ RESTORE);
331	if (action == SAVE) {
332	h->next_utmp_action = RESTORE;
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);
334	} else { /* action == RESTORE */
335	h->next_utmp_action = IGNORE;
336	rxvt_cleanutent(aR);
337	}
338	rxvt_privileges(aR_ IGNORE);
339	}
340	#endif
341
342	#ifndef NO_SETOWNER_TTYDEV
343	/* EXTPROTO */
344	void
345	rxvt_privileged_ttydev(pR_ char action)
346	{
347	struct rxvt_hidden *h = R->h;
348
349	D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350	if (h->next_tty_action != action
351	|| (action != SAVE && action != RESTORE)
352	|| h->ttydev == NULL
353	|| *h->ttydev == '\0')
354	return;
355
356	rxvt_privileges(aR_ RESTORE);
357
358	if (action == SAVE) {
359	h->next_tty_action = RESTORE;
360	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
362	if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */
363	h->next_tty_action = IGNORE;
364	else
365	# endif	563	# endif
366	{	564	# ifdef VWERSE
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */	565	tio->c_cc[VWERSE] = CWERASE;
368	chmod(h->ttydev, h->ttymode);
369	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);
371	# endif	566	# endif
372	}	567	# ifdef VLNEXT
373	} else { /* action == RESTORE */	568	tio->c_cc[VLNEXT] = CLNEXT;
374	h->next_tty_action = IGNORE;
375	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376	chmod(h->ttydev, h->ttyfd_stat.st_mode);
377	chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);
378	# else
379	chmod(h->ttydev,
380	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381	chown(h->ttydev, 0, 0);
382	# endif	569	# endif
383	}	570	# ifdef VSTATUS
384		571	tio->c_cc[VSTATUS] = CSTATUS;
385	rxvt_privileges(aR_ IGNORE);
386
387	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
388	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));
389	# endif	572	# endif
390	}	573
		574	# if VMIN != VEOF
		575	tio->c_cc[VMIN] = 1;
391	#endif	576	# endif
		577	# if VTIME != VEOL
		578	tio->c_cc[VTIME] = 0;
		579	# endif
		580
		581	/* input modes */
		582	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		583	# ifdef IMAXBEL
		584	| IMAXBEL
		585	# endif
		586	| IXON);
		587
		588	/* output modes */
		589	tio->c_oflag = (OPOST | ONLCR);
		590
		591	/* control modes */
		592	tio->c_cflag = (CS8 | CREAD);
		593
		594	/* local modes */
		595	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		596	# if defined (ECHOCTL) && defined (ECHOKE)
		597	| ECHOCTL | ECHOKE
		598	# endif
		599	| ECHOE | ECHOK);
		600	}
		601
		602	char **rxvt_environ; // startup environment
		603
		604	void
		605	rxvt_init ()
		606	{
		607	assert (("fontMask must not overlap other RS masks",
		608	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		609
		610	rxvt_get_ttymode (&rxvt_term::def_tio);
		611
		612	// get rid of stdin/stdout as we don't need them, to free resources
		613	dup2 (STDERR_FILENO, STDIN_FILENO);
		614	dup2 (STDERR_FILENO, STDOUT_FILENO);
		615
		616	if (!ev_default_loop ())
		617	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		618
		619	rxvt_environ = environ;
		620
		621	signal (SIGHUP, SIG_IGN);
		622	signal (SIGPIPE, SIG_IGN);
		623
		624	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		625	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		626
		627	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		628	// TODO: handle this with exceptions and tolerate the memory loss
		629	XSetIOErrorHandler (rxvt_xioerror_handler);
		630
		631	XrmInitialize ();
		632
		633	#if HAVE_PIXBUF
		634	g_type_init ();
		635	#endif
		636	}
392		637
393	/*----------------------------------------------------------------------*/	638	/*----------------------------------------------------------------------*/
394	/*	639	/*
395	* window size/position calculcations for XSizeHint and other storage.	640	* window size/position calculations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	641	* if width/height are non-zero then override calculated width/height
397	*/	642	*/
398	/* EXTPROTO */
399	void	643	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	644	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	645	{
402	short recalc_x, recalc_y;	646	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	647	int x, y, flags;
404	unsigned int w, h;	648	unsigned int w, h;
405	unsigned int max_width, max_height;	649	unsigned int max_width, max_height;
406		650
407	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
408	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	651	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	652	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	653	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		654
412	recalc_x = recalc_y = 0;	655	recalc_x = recalc_y = 0;
413	flags = 0;	656	flags = 0;
		657
414	if (!R->h->parsed_geometry) {	658	if (!parsed_geometry)
		659	{
415	R->h->parsed_geometry = 1;	660	parsed_geometry = 1;
		661
416	if (R->h->rs[Rs_geometry])	662	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	663	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		664
418	if (flags & WidthValue) {	665	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	666	{
420	R->szHint.flags |= USSize;	667	if (!w)
421	}	668	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		669
		670	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
		671	szHint.flags |= USSize;
		672	}
		673
422	if (flags & HeightValue) {	674	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	675	{
424	R->szHint.flags |= USSize;	676	if (!h)
425	}	677	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		678
		679	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
		680	szHint.flags |= USSize;
		681	}
		682
426	if (flags & XValue) {	683	if (flags & XValue)
427	R->szHint.x = x;	684	{
		685	szHint.x = x;
428	R->szHint.flags |= USPosition;	686	szHint.flags |= USPosition;
		687
429	if (flags & XNegative) {	688	if (flags & XNegative)
430	recalc_x = 1;	689	{
		690	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	691	szHint.win_gravity = NorthEastGravity;
		692	}
		693	}
		694
		695	if (flags & YValue)
		696	{
		697	szHint.y = y;
		698	szHint.flags |= USPosition;
		699
		700	if (flags & YNegative)
		701	{
		702	recalc_y = 1;
		703
		704	if (szHint.win_gravity == NorthEastGravity)
		705	szHint.win_gravity = SouthEastGravity;
		706	else
		707	szHint.win_gravity = SouthWestGravity;
		708	}
		709	}
432	}	710	}
433	}	711
434	if (flags & YValue) {
435	R->szHint.y = y;
436	R->szHint.flags |= USPosition;
437	if (flags & YNegative) {
438	recalc_y = 1;
439	if (R->szHint.win_gravity == NorthEastGravity)
440	R->szHint.win_gravity = SouthEastGravity;
441	else
442	R->szHint.win_gravity = SouthWestGravity;
443	}
444	}
445	}
446	/* TODO: BOUNDS */	712	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	713	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	714	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	715	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	716	max_height = MAX_ROWS * fheight;
451		717
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	718	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		719
454	sb_w = mb_h = 0;	720	window_vt_x = window_vt_y = int_bwidth;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	721
456	if (scrollbar_visible(R)) {	722	if (scrollBar.state)
457	sb_w = scrollbar_TotalWidth();	723	{
		724	int sb_w = scrollBar.total_width ();
458	R->szHint.base_width += sb_w;	725	szHint.base_width += sb_w;
		726
459	if (!(R->Options & Opt_scrollBar_right))	727	if (!option (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	728	window_vt_x += sb_w;
461	}	729	}
462	if (menubar_visible(R)) {	730
463	mb_h = menuBar_TotalHeight();
464	R->szHint.base_height += mb_h;
465	R->h->window_vt_y = mb_h;
466	}
467	R->szHint.width_inc = R->TermWin.fwidth;	731	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	732	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	733	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	734	szHint.min_height = szHint.base_height + szHint.height_inc;
471		735
472	if (width && width - R->szHint.base_width < max_width) {	736	if (newwidth && newwidth - szHint.base_width < max_width)
473	R->szHint.width = width;
474	R->TermWin.width = width - R->szHint.base_width;
475	} else {
476	MIN_IT(R->TermWin.width, max_width);
477	R->szHint.width = R->szHint.base_width + R->TermWin.width;
478	}	737	{
		738	szHint.width = newwidth;
		739	width = newwidth - szHint.base_width;
		740	}
		741	else
		742	{
		743	min_it (width, max_width);
		744	szHint.width = szHint.base_width + width;
		745	}
		746
479	if (height && height - R->szHint.base_height < max_height) {	747	if (newheight && newheight - szHint.base_height < max_height)
480	R->szHint.height = height;
481	R->TermWin.height = height - R->szHint.base_height;
482	} else {
483	MIN_IT(R->TermWin.height, max_height);
484	R->szHint.height = R->szHint.base_height + R->TermWin.height;
485	}	748	{
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	749	szHint.height = newheight;
487	R->h->window_sb_x = R->szHint.width - sb_w;	750	height = newheight - szHint.base_height;
		751	}
		752	else
		753	{
		754	min_it (height, max_height);
		755	szHint.height = szHint.base_height + height;
		756	}
488		757
489	if (recalc_x)	758	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	759	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	760
492	if (recalc_y)	761	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	762	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		763
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	764	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	765	nrow = height / fheight;
498	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));	766
499	return;	767	// When the size of the vt window is not a multiple of the cell
		768	// size, i.e., when the wm does not honour our size hints, there are
		769	// extra areas not covered by the terminal screen. Such gaps, when a
		770	// bg pixmap is set, would have to be cleared manually to properly
		771	// refresh the background. We take the simpler route and shrink the
		772	// vt window so as to avoid creating gaps.
		773	vt_width = ncol * fwidth;
		774	vt_height = nrow * fheight;
500	}	775	}
501		776
502	/*----------------------------------------------------------------------*/	777	/*----------------------------------------------------------------------*/
503	/*	778	/*
504	* Tell the teletype handler what size the window is.	779	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	780	* Called after a window size change.
506	*/	781	*/
507	/* EXTPROTO */
508	void	782	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	783	rxvt_term::tt_winch ()
510	{	784	{
		785	if (pty->pty < 0)
		786	return;
		787
511	struct winsize ws;	788	struct winsize ws;
512		789
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	790	ws.ws_col = ncol;
516	ws.ws_row = row;	791	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	792	ws.ws_xpixel = vt_width;
518	#ifndef DEBUG_SIZE	793	ws.ws_ypixel = vt_height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	794	ioctl (pty->pty, TIOCSWINSZ, &ws);
		795
		796	#if 0
		797	// TIOCSWINSZ is supposed to do this automatically and correctly
		798	if (cmd_pid) /* force through to the command */
		799	kill (-cmd_pid, SIGWINCH);
		800	#endif
		801	}
		802
		803	/*----------------------------------------------------------------------*/
		804	/* load and set the various fonts */
		805	bool
		806	rxvt_term::set_fonts ()
		807	{
		808	rxvt_fontset *fs = new rxvt_fontset (this);
		809	rxvt_fontprop prop;
		810
		811	if (!fs
		812	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		813	|| !fs->realize_font (1))
		814	{
		815	delete fs;
		816	return false;
		817	}
		818
		819	#if ENABLE_STYLES
		820	for (int i = RS_styleCount; --i; )
		821	if (fontset[i] != fontset[0])
		822	delete fontset[i];
		823	#endif
		824
		825	delete fontset[0];
		826	fontset[0] = fs;
		827
		828	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		829	prop.width = max (prop.width + letterSpace, 1);
		830
		831	fs->set_prop (prop, false);
		832
		833	fwidth = prop.width;
		834	fheight = prop.height + lineSpace;
		835	fbase = prop.ascent;
		836
		837	for (int style = 1; style < 4; style++)
		838	{
		839	#if ENABLE_STYLES
		840	const char *res = rs[Rs_font + style];
		841
		842	if (res && !*res)
		843	fontset[style] = fontset[0];
		844	else
		845	{
		846	fontset[style] = fs = new rxvt_fontset (this);
		847	rxvt_fontprop prop2 = prop;
		848
		849	if (res)
		850	{
		851	fs->populate (res);
		852	fs->set_prop (prop2, false);
		853	}
		854	else
		855	{
		856	fs->populate (fontset[0]->fontdesc);
		857
		858	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		859	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		860
		861	fs->set_prop (prop2, true);
		862	}
		863
		864	}
520	#else	865	#else
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	866	fontset[style] = fontset[0];
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */
526	kill(pid, SIGWINCH);
527	# endif	867	#endif
528	#endif	868	}
529	}
530		869
531	/*----------------------------------------------------------------------*/	870	if (parent)
532	/* rxvt_change_font() - Switch to a new font */	871	{
533	/*	872	resize_all_windows (0, 0, 0);
534	* init = 1 - initialize	873	scr_remap_chars ();
535	*	874	scr_touch (true);
536	* fontname == FONT_UP - switch to bigger font	875	}
537	* fontname == FONT_DN - switch to smaller font
538	*/
539	/* EXTPROTO */
540	void
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{
543	}
544		876
545	/* INTPROTO */	877	return true;
		878	}
		879
546	void	880	void
547	rxvt_font_up_down(pR_ int n, int direction)	881	rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	882	{
		883	XChangeProperty (dpy, parent,
		884	prop, XA_STRING, 8, PropModeReplace,
		885	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		886	}
		887
		888	void
		889	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		890	{
		891	XTextProperty ct;
		892
		893	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		894	{
		895	XSetTextProperty (dpy, parent, &ct, prop);
		896	XFree (ct.value);
		897	}
		898	}
		899
		900	void
		901	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		902	{
		903	wchar_t *ws = rxvt_mbstowcs (str, len);
		904	char *s = rxvt_wcstoutf8 (ws);
		905
		906	XChangeProperty (dpy, parent,
		907	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		908	(const unsigned char *)s, strlen (s));
		909
		910	free (s);
		911	free (ws);
549	}	912	}
550		913
551	/*----------------------------------------------------------------------*/	914	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	915	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	916	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	917	void
556	rxvt_set_title(pR_ const char *str)	918	rxvt_term::set_title (const char *str)
557	{	919	{
558	#ifndef SMART_WINDOW_TITLE	920	set_mbstring_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	921	#if ENABLE_EWMH
560	#else	922	set_utf8_property (xa[XA_NET_WM_NAME], str);
561	char *name;
562
563	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564	name = NULL;
565	if (name == NULL || STRCMP(name, str))
566	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567	if (name)
568	XFree(name);
569	#endif	923	#endif
570	}	924	}
571		925
572	/* EXTPROTO */
573	void	926	void
574	rxvt_set_iconName(pR_ const char *str)	927	rxvt_term::set_icon_name (const char *str)
575	{	928	{
576	#ifndef SMART_WINDOW_TITLE	929	set_mbstring_property (XA_WM_ICON_NAME, str);
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	930	#if ENABLE_EWMH
578	#else	931	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
579	char *name;
580
581	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582	name = NULL;
583	if (name == NULL || STRCMP(name, str))
584	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585	if (name)
586	XFree(name);
587	#endif	932	#endif
588	}	933	}
589		934
		935	void
		936	rxvt_term::set_window_color (int idx, const char *color)
		937	{
590	#ifdef XTERM_COLOR_CHANGE	938	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;	939	rxvt_color xcol;
596	int i;
597		940
598	if (color == NULL || *color == '\0')	941	if (color == NULL || *color == '\0')
599	return;	942	return;
600		943
		944	color = strdup (color);
		945	allocated.push_back ((void *)color);
		946	rs[Rs_color + idx] = color;
		947
601	/* handle color aliases */	948	/* handle color aliases */
602	if (isdigit(*color)) {	949	if (isdigit (*color))
603	i = atoi(color);
604	if (i >= 8 && i <= 15) { /* bright colors */
605	i -= 8;
606	# ifndef NO_BRIGHTCOLOR
607	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608	SET_PIXCOLOR(R->h, idx);
609	goto Done;
610	# endif
611	}
612	if (i >= 0 && i <= 7) { /* normal colors */
613	R->PixColors[idx] = R->PixColors[minCOLOR + i];
614	SET_PIXCOLOR(R->h, idx);
615	goto Done;
616	}
617	}	950	{
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))	951	int i = atoi (color);
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621		952
622	/*	953	if (i >= 8 && i <= 15)
		954	{
		955	/* bright colors */
		956	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
		957	goto done;
		958	}
		959
		960	if (i >= 0 && i <= 7)
		961	{
		962	/* normal colors */
		963	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		964	goto done;
		965	}
		966	}
		967
		968	set_color (xcol, color);
		969
		970	/*
623	* FIXME: should free colors here, but no idea how to do it so instead,	971	* FIXME: should free colors here, but no idea how to do it so instead,
624	* so just keep gobbling up the colormap	972	* so just keep gobbling up the colormap
625	*/	973	*/
626	# if 0
627	for (i = Color_Black; i <= Color_White; i++)
628	if (R->PixColors[idx] == R->PixColors[i])
629	break;
630	if (i > Color_White) {
631	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633	DisplayPlanes(R->Xdisplay, Xscreen));
634	}
635	# endif
636		974
637	R->PixColors[idx] = xcol;	975	pix_colors_focused[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639		976
640	/* XSetWindowAttributes attr; */	977	done:
641	/* Cursor cursor; */
642	Done:
643	if (idx == Color_bg && !(R->Options & Opt_transparent))
644	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645	R->PixColors[Color_bg]);
646
647	/* handle Color_BD, scrollbar background, etc. */	978	/*TODO: handle Color_BD, scrollbar background, etc. */
648		979
649	rxvt_set_colorfgbg(aR);	980	update_fade_color (idx);
650	rxvt_recolour_cursor(aR);	981	recolour_cursor ();
651	/* the only reasonable way to enforce a clean update */	982	scr_recolour ();
652	rxvt_scr_poweron(aR);
653	}
654
655	#else
656	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
657	#endif /* XTERM_COLOR_CHANGE */	983	#endif /* XTERM_COLOR_CHANGE */
		984	}
658		985
659	/* EXTPROTO */
660	void	986	void
661	rxvt_recolour_cursor(pR)	987	rxvt_term::recolour_cursor ()
662	{	988	{
663	rxvt_color xcol[2];	989	XColor fg, bg;
664		990
665	#if TODO	991	(ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	992	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	993	: pix_colors_focused[Color_fg]).get (fg);
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	994
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	995	(ISSET_PIXCOLOR (Color_pointer_bg)
670	#endif	996	? pix_colors_focused[Color_pointer_bg]
		997	: pix_colors_focused[Color_bg]).get (bg);
		998
		999	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
671	}	1000	}
672		1001
673	/*----------------------------------------------------------------------*/	1002	/*----------------------------------------------------------------------*/
674	/*	1003	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	1004	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	1005	*/
677	/* INTPROTO */	1006	char *
678	void
679	rxvt_set_colorfgbg(pR)	1007	rxvt_term::get_colorfgbg ()
680	{	1008	{
681	unsigned int i;	1009	unsigned int i;
682	const char *xpmb = "\0";	1010	const char *xpmb = "";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1011	char fstr[] = "default";
		1012	char bstr[] = "default";
		1013	char *env_colorfgbg;
684		1014
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
686	STRCPY(fstr, "default");
687	STRCPY(bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	1015	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1016	if (pix_colors[Color_fg] == pix_colors[i])
		1017	{
690	sprintf(fstr, "%d", (i - Color_Black));	1018	sprintf (fstr, "%d", i - Color_Black);
691	break;	1019	break;
692	}	1020	}
		1021
693	for (i = Color_Black; i <= Color_White; i++)	1022	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1023	if (pix_colors[Color_bg] == pix_colors[i])
		1024	{
695	sprintf(bstr, "%d", (i - Color_Black));	1025	sprintf (bstr, "%d", i - Color_Black);
696	#ifdef XPM_BACKGROUND	1026	#if BG_IMAGE_FROM_FILE
697	xpmb = "default;";	1027	xpmb = "default;";
698	#endif	1028	#endif
699	break;	1029	break;
700	}	1030	}
		1031
		1032	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1033	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702	putenv(R->h->env_colorfgbg);	1034	return env_colorfgbg;
703
704	#ifndef NO_BRIGHTCOLOR
705	R->h->colorfgbg = DEFAULT_RSTYLE;
706	for (i = minCOLOR; i <= maxCOLOR; i++) {
707	if (R->PixColors[Color_fg] == R->PixColors[i])
708	R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);
709	if (R->PixColors[Color_bg] == R->PixColors[i])
710	R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);
711	}
712	#endif
713	}	1035	}
714		1036
715	/*----------------------------------------------------------------------*/	1037	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		1038
721	/* EXTPROTO */	1039	bool
722	int	1040	rxvt_term::set_color (rxvt_color &color, const char *name)
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)
724	{	1041	{
725	screen_in_out->set (aR_ colour);	1042	if (color.set (this, name))
726
727	if (!screen_in_out->set (aR_ colour))
728	{
729	rxvt_print_error("can't allocate colour: %s", colour);
730	return false;
731	}
732
733	return true;	1043	return true;
		1044
		1045	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1046	return false;
		1047	}
		1048
		1049	void
		1050	rxvt_term::alias_color (int dst, int src)
		1051	{
		1052	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
734	}	1053	}
735		1054
736	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1056	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1058	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1059	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	1060	{
743	int fix_screen;	1061	int fix_screen;
		1062	int old_width = szHint.width;
		1063	int old_height = szHint.height;
		1064
		1065	window_calc (newwidth, newheight);
		1066
		1067	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1068
		1069	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1070	if (set_hint)
		1071	{
		1072	szHint.flags &= ~(PBaseSize | PResizeInc);
		1073	XSetWMNormalHints (dpy, parent, &szHint);
		1074	szHint.flags |= PBaseSize | PResizeInc;
		1075	}
		1076
		1077	if (!ignoreparent)
		1078	{
744	#ifdef SMART_RESIZE	1079	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1080	/*
746	old_height = R->szHint.height;
747	#endif
748
749	rxvt_window_calc(aR_ width, height);
750	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
751	if (!ignoreparent) {
752	#ifdef SMART_RESIZE
753	/*
754	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1081	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1082	* reposition window on resize depending on placement on screen
756	*/	1083	*/
757	int x, y, x1, y1;	1084	int x, y, x1, y1;
758	int dx, dy;	1085	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1086	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1087	Window unused_cr;
761		1088
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1089	XTranslateCoordinates (dpy, parent, display->root,
763	0, 0, &x, &y, &unused_cr);	1090	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1091	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1092	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1093	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	1094	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	1095	* our position for handles and decorations. Counter it
769	*/	1096	*/
770	if (x1 != x || y1 != y) {	1097	if (x1 != x || y1 != y)
		1098	{
771	x -= x1;	1099	x -= x1;
772	y -= y1;	1100	y -= y1;
773	}	1101	}
774		1102
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1103	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1104	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1105	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1106	dy = old_height - szHint.height;
779		1107
780	/* Check position of the center of the window */	1108	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1109	if (x < x1) /* left half */
782	dx = 0;	1110	dx = 0;
783	else if (x == x1) /* exact center */	1111	else if (x == x1) /* exact center */
784	dx /= 2;	1112	dx /= 2;
785	if (y < y1) /* top half */	1113	if (y < y1) /* top half */
786	dy = 0;	1114	dy = 0;
787	else if (y == y1) /* exact center */	1115	else if (y == y1) /* exact center */
788	dy /= 2;	1116	dy /= 2;
789		1117
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1118	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1119	szHint.width, szHint.height);
792	#else	1120	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1121	XResizeWindow (dpy, parent, szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1122	#endif
796	}	1123	}
797		1124
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1125	if (set_hint)
799	|| R->TermWin.nrow != R->h->prev_nrow);	1126	XSetWMNormalHints (dpy, parent, &szHint);
		1127
		1128	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1129
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1130	if (fix_screen || newwidth != old_width || newheight != old_height)
801	if (scrollbar_visible(R)) {
802	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x,
803	0, scrollbar_TotalWidth(), R->szHint.height);
804	rxvt_Resize_scrollBar(aR);
805	}
806	if (menubar_visible(R))
807	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x,
808	0, TermWin_TotalWidth(), menuBar_TotalHeight());
809	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x,
810	R->h->window_vt_y, TermWin_TotalWidth(),
811	TermWin_TotalHeight());
812	#ifdef RXVT_GRAPHICS
813	if (R->h->old_height)
814	rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width,
815	R->h->old_height - R->szHint.base_height);
816	#endif
817	rxvt_scr_clear(aR);
818	#ifdef XPM_BACKGROUND
819	rxvt_resize_pixmap(aR);
820	#endif
821	}	1131	{
		1132	if (scrollBar.state)
		1133	scrollBar.resize ();
822		1134
		1135	XMoveResizeWindow (dpy, vt,
		1136	window_vt_x, window_vt_y,
		1137	vt_width, vt_height);
		1138
		1139	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1140
		1141	#ifdef HAVE_BG_PIXMAP
		1142	if (bg_window_size_sensitive ())
		1143	update_background ();
		1144	#endif
		1145	}
		1146
823	if (fix_screen || R->h->old_height == 0) {	1147	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1148	scr_reset ();
825	uint16_t old_ncol = R->h->prev_ncol;
826		1149
827	/* scr_reset only works on the primary screen */
828	if (R->h->old_height) /* this is not the first time through */
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
830	rxvt_scr_reset(aR);
831	if (curr_screen >= 0) { /* this is not the first time through */
832	rxvt_scr_change_screen(aR_ curr_screen);
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));
834	}
835	}
836
837	R->h->old_width = R->szHint.width;
838	R->h->old_height = R->szHint.height;
839
840	#ifdef USE_XIM	1150	#if USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1151	im_set_position ();
842	#endif	1152	#endif
843	}	1153	}
844		1154
845	/*	1155	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1156	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1157	* good for toggling 80/132 columns
848	*/	1158	*/
849	/* EXTPROTO */
850	void	1159	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1160	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1161	{
853	XWindowAttributes wattr;	1162	XWindowAttributes wattr;
854		1163
855	if (width == 0 || height == 0) {	1164	if (newwidth == 0 || newheight == 0)
		1165	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1166	XGetWindowAttributes (dpy, display->root, &wattr);
		1167
857	if (width == 0)	1168	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1169	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1170	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1171	newheight = wattr.height - szHint.base_height;
		1172	}
		1173
		1174	if (newwidth != vt_width || newheight != vt_height)
861	}	1175	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1176	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1177	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1178	resize_all_windows (newwidth, newheight, 0);
866	}	1179	}
867	}	1180	}
868		1181
869	/* -------------------------------------------------------------------- *	1182	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1183	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1184	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1185	#if USE_XIM
873	/* INTPROTO */
874	void
875	rxvt_setSize(pR_ XRectangle *size)
876	{
877	size->x = R->TermWin.int_bwidth;
878	size->y = R->TermWin.int_bwidth;
879	size->width = Width2Pixel(R->TermWin.ncol);
880	size->height = Height2Pixel(R->TermWin.nrow);
881	}
882		1186
883	/* INTPROTO */
884	void	1187	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1188	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1189	{
887	*fg = R->PixColors[Color_fg];	1190	fg = pix_colors [Color_fg];
888	*bg = R->PixColors[Color_bg];	1191	bg = pix_colors [Color_bg];
		1192	}
		1193
		1194	void
		1195	rxvt_term::im_set_size (XRectangle &size)
		1196	{
		1197	// the int_bwidth terms make no sense to me
		1198	size.x = int_bwidth;
		1199	size.y = int_bwidth;
		1200	size.width = Width2Pixel (ncol) + int_bwidth;
		1201	size.height = Height2Pixel (nrow) + int_bwidth;
		1202	}
		1203
		1204	void
		1205	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1206	XRectangle &status_rect,
		1207	const XRectangle &needed_rect)
		1208	{
		1209	preedit_rect.x = needed_rect.width;
		1210	preedit_rect.y = 0;
		1211	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1212	preedit_rect.height = fheight;
		1213
		1214	status_rect.x = 0;
		1215	status_rect.y = 0;
		1216	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1217	status_rect.height = fheight;
889	}	1218	}
890		1219
891	/* Checking whether input method is running. */	1220	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1221	bool
894	rxvt_IMisRunning(pR)	1222	rxvt_term::im_is_running ()
895	{	1223	{
896	char *p;	1224	Atom atom;
897	Atom atom;	1225	Window win;
898	Window win;
899	char server[IMBUFSIZ];	1226	char server[IMBUFSIZ];
900		1227
901	/* get current locale modifier */	1228	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1229	if (char *p = XSetLocaleModifiers (0))
903	STRCPY(server, "@server=");	1230	{
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1231	strcpy (server, "@server=");
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1232	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1233
		1234	if (p = strchr (server + 1, '@')) /* first one only */
906	*p = '\0';	1235	*p = '\0';
907		1236
908	atom = XInternAtom(R->Xdisplay, server, False);	1237	atom = XInternAtom (dpy, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1238	win = XGetSelectionOwner (dpy, atom);
		1239
910	if (win != None)	1240	if (win != None)
911	return True;	1241	return true;
912	}	1242	}
		1243
913	return False;	1244	return false;
914	}	1245	}
915		1246
916	/* EXTPROTO */
917	void	1247	void
918	rxvt_IMSendSpot(pR)	1248	rxvt_term::im_send_spot ()
919	{	1249	{
920	XPoint spot;	1250	XPoint nspot;
921	XVaNestedList preedit_attr;	1251	XVaNestedList preedit_attr;
922		1252
923	if (R->h->Input_Context == NULL	1253	if (!Input_Context
924	|| !R->TermWin.focus	1254	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1255	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926	|| !(R->h->event_type == KeyPress	1256	return;
927	|| R->h->event_type == Expose
928	|| R->h->event_type == NoExpose
929	|| R->h->event_type == SelectionNotify
930	|| R->h->event_type == ButtonRelease
931	|| R->h->event_type == FocusIn)
932	|| !rxvt_IMisRunning(aR))
933	return;
934		1257
935	rxvt_setPosition(aR_ &spot);	1258	im_set_position (nspot);
936		1259
		1260	if (nspot.x == spot.x && nspot.y == spot.y)
		1261	return;
		1262
		1263	spot = nspot;
		1264
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1265	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1266	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1267	XFree (preedit_attr);
940	}	1268	}
941		1269
942	/* EXTPROTO */
943	void	1270	void
944	rxvt_setTermFontSet(pR_ int idx)	1271	rxvt_term::im_destroy ()
945	{	1272	{
946	char *string;	1273	if (input_method)
947	long length;	1274	{
948	int success = 0;	1275	if (Input_Context && input_method->xim)
		1276	XDestroyIC (Input_Context);
949		1277
950	if (idx < 0 || idx >= MAX_NFONTS)	1278	display->put_xim (input_method);
951	return;	1279	input_method = 0;
952	}
953
954	/* INTPROTO */
955	void
956	rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957	{
958	int mbh, vtx = 0;
959
960	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
961	vtx = scrollbar_TotalWidth();
962	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
963	mbh -= R->TermWin.lineSpace;
964
965	preedit_rect->x = needed_rect->width + vtx;
966	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
967
968	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
969	+ vtx;
970	preedit_rect->height = Height2Pixel(1);
971
972	status_rect->x = vtx;
973	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
974
975	status_rect->width = needed_rect->width ? needed_rect->width
976	: Width2Pixel(R->TermWin.ncol + 1);
977	status_rect->height = Height2Pixel(1);
978	}
979
980	/* ARGSUSED */
981	/* INTPROTO */
982	void
983	rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
984	{
985	dR;
986
987	R->h->Input_Context = NULL;
988	/* To avoid Segmentation Fault in C locale: Solaris only? */
989	if (STRCMP(R->h->locale, "C"))
990	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991	rxvt_IMInstantiateCallback, NULL);
992	}
993
994	/*
995	* X manual pages and include files don't match on some systems:
996	* some think this is an XIDProc and others an XIMProc so we can't
997	* use the first argument - need to update this to be nice for
998	* both types via some sort of configure detection
999	*/
1000	/* ARGSUSED */
1001	/* EXTPROTO */
1002	void
1003	rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004	{
1005	dR;
1006	int i, found, had_im;
1007	const char *p;
1008	char **s;
1009	char buf[IMBUFSIZ];
1010
1011	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012	if (R->h->Input_Context)
1013	return;
1014
1015	found = had_im = 0;
1016	p = R->h->rs[Rs_inputMethod];
1017	if (p && *p) {
1018	had_im = 1;
1019	s = rxvt_splitcommastring(p);
1020	for (i = 0; s[i]; i++) {
1021	if (*s[i]) {
1022	STRCPY(buf, "@im=");
1023	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025	&& (rxvt_IM_get_IC(aR) == True)) {
1026	found = 1;
1027	break;
1028	}
1029	}	1280	}
1030	}	1281
1031	for (i = 0; s[i]; i++)	1282	Input_Context = 0;
1032	free(s[i]);	1283	}
1033	free(s);	1284
		1285	#ifdef ENABLE_XIM_ONTHESPOT
		1286
		1287	static void
		1288	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1289	{
		1290	((rxvt_term *)client_data)->make_current ();
		1291	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1292	}
		1293
		1294	static void
		1295	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1296	{
		1297	((rxvt_term *)client_data)->make_current ();
		1298	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1299	}
		1300
		1301	static void
		1302	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1303	{
		1304	rxvt_term *term = (rxvt_term *)client_data;
		1305	XIMText *text = call_data->text;
		1306
		1307	term->make_current ();
		1308
		1309	if (text)
1034	}	1310	{
1035	if (found)	1311	wchar_t *str;
1036	return;
1037		1312
1038	/* try with XMODIFIERS env. var. */	1313	if (!text->encoding_is_wchar && text->string.multi_byte)
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1314	{
1040	rxvt_IM_get_IC(aR);	1315	// of course, X makes it ugly again
1041	return;	1316	if (term->rs[Rs_imLocale])
1042	}	1317	SET_LOCALE (term->rs[Rs_imLocale]);
1043		1318
1044	/* try with no modifiers base IF the user didn't specify an IM */	1319	str = rxvt_temp_buf<wchar_t> (text->length + 1);
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1320	mbstowcs (str, text->string.multi_byte, text->length + 1);
1046	&& rxvt_IM_get_IC(aR) == True)	1321
1047	return;	1322	if (term->rs[Rs_imLocale])
		1323	SET_LOCALE (term->locale);
		1324	}
		1325	else
		1326	str = text->string.wide_char;
		1327
		1328	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1329	DT_INT, call_data->caret,
		1330	DT_INT, call_data->chg_first,
		1331	DT_INT, call_data->chg_length,
		1332	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1333	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1334	DT_END));
		1335	}
		1336	else
		1337	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1338	DT_INT, call_data->caret,
		1339	DT_INT, call_data->chg_first,
		1340	DT_INT, call_data->chg_length,
		1341	DT_END));
1048	}	1342	}
		1343
		1344	#if 0
		1345	static void
		1346	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1347	{
		1348	((rxvt_term *)client_data)->make_current ();
		1349	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1350	DT_INT, call_data->position,
		1351	DT_INT, call_data->direction,
		1352	DT_INT, call_data->style,
		1353	DT_END));
		1354	}
		1355	#endif
		1356
		1357	#endif
1049		1358
1050	/*	1359	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1360	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1361	* open a suitable preedit type
1053	*/	1362	*/
1054	/* INTPROTO */
1055	Bool	1363	bool
1056	rxvt_IM_get_IC(pR)	1364	rxvt_term::im_get_ic (const char *modifiers)
1057	{	1365	{
1058	int i, j, found;	1366	int i, j, found;
1059	XIM xim;	1367	XIM xim;
1060	XPoint spot;	1368	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1369	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1370	unsigned long fg, bg;
1063	const char *p;	1371	const char *p;
1064	char **s;	1372	char **s;
1065	XIMStyles *xim_styles;	1373	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;
1067	XIMCallback ximcallback;
1068	struct rxvt_hidden *h = R->h;
1069		1374
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1375	set_environ (envv);
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1376
1072	if (xim == NULL)	1377	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1073	return False;	1378	return false;
1074		1379
		1380	input_method = display->get_xim (locale, modifiers);
		1381	if (input_method == NULL)
		1382	return false;
		1383
		1384	xim = input_method->xim;
		1385	spot.x = spot.y = -1;
		1386
1075	xim_styles = NULL;	1387	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1388	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1389	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1390	{
		1391	im_destroy ();
		1392	return false;
		1393	}
1081		1394
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1395	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1396
1084	s = rxvt_splitcommastring(p);	1397	for (int pi = 0; pi < 2; pi++)
		1398	{
		1399	p = pet[pi];
		1400
		1401	if (!p)
		1402	continue;
		1403
		1404	s = rxvt_strsplit (',', p);
		1405
1085	for (i = found = 0; !found && s[i]; i++) {	1406	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1407	{
		1408	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1409	input_style = XIMPreeditPosition | XIMStatusNothing;
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1410	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1411	input_style = XIMPreeditArea | XIMStatusArea;
1090	else if (!STRCMP(s[i], "Root"))	1412	else if (!strcmp (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1413	input_style = XIMPreeditNothing | XIMStatusNothing;
		1414	else if (!strcmp (s[i], "None"))
		1415	input_style = XIMPreeditNone | XIMStatusNone;
		1416	#ifdef ENABLE_XIM_ONTHESPOT
		1417	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1418	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1419	#endif
		1420	else
		1421	input_style = XIMPreeditNothing | XIMStatusNothing;
1092		1422
1093	for (j = 0; j < xim_styles->count_styles; j++)	1423	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1424	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1425	{
1096	break;	1426	rxvt_free_strsplit (s);
		1427
		1428	found = 1;
		1429	goto foundpet;
		1430	}
		1431
		1432	}
		1433
		1434	rxvt_free_strsplit (s);
1097	}	1435	}
1098	}	1436
1099	for (i = 0; s[i]; i++)	1437	foundpet:
1100	free(s[i]);	1438
1101	free(s);
1102	XFree(xim_styles);	1439	XFree (xim_styles);
1103		1440
1104	if (!found) {	1441	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1442	{
		1443	im_destroy ();
		1444	return false;
		1445	}
1108		1446
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1447	XFontSet fs = 0;
1110
1111	/* XXX: not sure why we need this (as well as IC one below) */
1112	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114	preedit_attr = status_attr = NULL;	1448	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		1449
		1450	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1451	{
		1452	// fake us a font-set, please
		1453	char **missing_charset_list;
		1454	int missing_charset_count;
		1455	char *def_string;
		1456	char pat[512];
		1457
		1458	sprintf (pat,
		1459	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1460	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1461	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1462	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1463	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1464	"*",
		1465	fheight,
		1466	fheight + 1, fheight - 1,
		1467	fheight - 2, fheight + 2);
		1468
		1469	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1470	&missing_charset_list, &missing_charset_count, &def_string);
		1471
		1472	if (missing_charset_list)
		1473	XFreeStringList (missing_charset_list);
		1474
		1475	if (!fs)
		1476	{
		1477	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1478	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1479	}
		1480	}
		1481
1116	if (h->input_style & XIMPreeditPosition) {	1482	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1483	{
1118	rxvt_setPosition(aR_ &spot);	1484	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1485	im_set_position (spot);
		1486	im_set_color (fg, bg);
1120		1487
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1488	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1489	XNForeground, fg,
1123	XNForeground, fg,	1490	XNBackground, bg,
1124	XNBackground, bg,	1491	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1492	XNSpotLocation, &spot,
1126	NULL);	1493	XNFontSet, fs,
1127	} else if (h->input_style & XIMPreeditArea) {
1128	rxvt_setColor(aR_ &fg, &bg);
1129
1130	/*
1131	* The necessary width of preedit area is unknown
1132	* until create input context.
1133	*/
1134	needed_rect.width = 0;
1135
1136	rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139	XNForeground, fg,
1140	XNBackground, bg,
1141	//XNFontSet, R->TermWin.fontset,
1142	NULL);
1143	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144	XNForeground, fg,
1145	XNBackground, bg,
1146	//XNFontSet, R->TermWin.fontset,
1147	NULL);	1494	NULL);
1148	}	1495	}
1149	h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style,
1150	XNClientWindow, R->TermWin.parent[0],
1151	XNFocusWindow, R->TermWin.parent[0],
1152	XNDestroyCallback, &ximcallback,
1153	preedit_attr ? XNPreeditAttributes : NULL,
1154	preedit_attr,
1155	status_attr ? XNStatusAttributes : NULL,
1156	status_attr, NULL);
1157	if (preedit_attr)
1158	XFree(preedit_attr);
1159	if (status_attr)
1160	XFree(status_attr);
1161	if (h->Input_Context == NULL) {
1162	rxvt_print_error("failed to create input context");
1163	XCloseIM(xim);
1164	return False;
1165	}
1166	if (h->input_style & XIMPreeditArea)	1496	else if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1497	{
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1498	im_set_color (fg, bg);
		1499
		1500	/*
		1501	* The necessary width of preedit area is unknown
		1502	* until create input context.
		1503	*/
		1504	needed_rect.width = 0;
		1505	im_set_preedit_area (rect, status_rect, needed_rect);
		1506
		1507	preedit_attr = XVaCreateNestedList (0,
		1508	XNForeground, fg,
		1509	XNBackground, bg,
		1510	XNArea, &rect,
		1511	XNFontSet, fs,
		1512	NULL);
		1513	status_attr = XVaCreateNestedList (0,
		1514	XNForeground, fg,
		1515	XNBackground, bg,
		1516	XNArea, &status_rect,
		1517	XNFontSet, fs,
		1518	NULL);
		1519	}
		1520	#if ENABLE_XIM_ONTHESPOT
		1521	else if (input_style & XIMPreeditCallbacks)
		1522	{
		1523	XIMCallback xcb[4];
		1524
		1525	im_set_position (spot);
		1526
		1527	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1528	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1529	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1530	# if 0
		1531	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1532	# endif
		1533
		1534	preedit_attr = XVaCreateNestedList (0,
		1535	XNSpotLocation, &spot,
		1536	XNPreeditStartCallback, &xcb[0],
		1537	XNPreeditDoneCallback , &xcb[1],
		1538	XNPreeditDrawCallback , &xcb[2],
		1539	# if 0
		1540	XNPreeditCaretCallback, &xcb[3],
		1541	# endif
		1542	NULL);
		1543	}
		1544	#endif
		1545
		1546	Input_Context = XCreateIC (xim,
		1547	XNInputStyle, input_style,
		1548	XNClientWindow, vt,
		1549	XNFocusWindow, parent,
		1550	preedit_attr ? XNPreeditAttributes : NULL,
		1551	preedit_attr,
		1552	status_attr ? XNStatusAttributes : NULL,
		1553	status_attr, NULL);
		1554
		1555	if (preedit_attr) XFree (preedit_attr);
		1556	if (status_attr) XFree (status_attr);
		1557	if (fs) XFreeFontSet (dpy, fs);
		1558
		1559	if (Input_Context == NULL)
		1560	{
		1561	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1562	im_destroy ();
		1563	return false;
		1564	}
		1565
		1566	#if 0
		1567	// unfortunately, only the focus window is used by XIM, hard to fix
		1568	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1569	vt_select_input ();
		1570	#endif
		1571
		1572	im_set_position ();
		1573
1169	return True;	1574	return true;
1170	}	1575	}
1171		1576
1172	/* EXTPROTO */
1173	void	1577	void
1174	rxvt_IMSetStatusPosition(pR)	1578	rxvt_term::im_cb ()
1175	{	1579	{
		1580	int i;
		1581	const char *p;
		1582	char **s;
		1583	char buf[IMBUFSIZ];
		1584
		1585	make_current ();
		1586
		1587	im_destroy ();
		1588
		1589	if (Input_Context)
		1590	return;
		1591
		1592	if (rs[Rs_imLocale])
		1593	SET_LOCALE (rs[Rs_imLocale]);
		1594
		1595	p = rs[Rs_inputMethod];
		1596	if (p && *p)
		1597	{
		1598	bool found = false;
		1599
		1600	s = rxvt_strsplit (',', p);
		1601
		1602	for (i = 0; s[i]; i++)
		1603	{
		1604	if (*s[i])
		1605	{
		1606	strcpy (buf, "@im=");
		1607	strncat (buf, s[i], IMBUFSIZ - 5);
		1608	if (im_get_ic (buf))
		1609	{
		1610	found = true;
		1611	break;
		1612	}
		1613	}
		1614	}
		1615
		1616	rxvt_free_strsplit (s);
		1617
		1618	if (found)
		1619	goto done;
		1620	}
		1621
		1622	/* try with XMODIFIERS env. var. */
		1623	if (im_get_ic (""))
		1624	goto done;
		1625
		1626	/* try with no modifiers base IF the user didn't specify an IM */
		1627	if (im_get_ic ("@im=none"))
		1628	goto done;
		1629
		1630	done:
		1631	if (rs[Rs_imLocale])
		1632	SET_LOCALE (locale);
		1633	}
		1634
		1635	void
		1636	rxvt_term::im_set_position ()
		1637	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1638	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1639	XVaNestedList preedit_attr, status_attr;
1178		1640
1179	if (R->h->Input_Context == NULL	1641	if (!Input_Context
1180	|| !R->TermWin.focus	1642	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1643	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1182	|| !rxvt_IMisRunning(aR))	1644	|| !im_is_running ())
1183	return;	1645	return;
1184		1646
		1647	if (input_style & XIMPreeditPosition)
		1648	{
		1649	im_set_size (preedit_rect);
		1650	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1651
		1652	XSetICValues (Input_Context,
		1653	XNPreeditAttributes, preedit_attr, NULL);
		1654	}
		1655	else
		1656	{
1185	/* Getting the necessary width of preedit area */	1657	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1658	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1659	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1660	XFree (status_attr);
1189		1661
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1662	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1663	XFree (needed_rect);
1191		1664
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1665	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1666	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1667
1195	XSetICValues(R->h->Input_Context,	1668	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1669	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1670	XNStatusAttributes, status_attr,
		1671	NULL);
1198		1672
		1673	XFree (status_attr);
		1674	}
		1675
1199	XFree(preedit_attr);	1676	XFree (preedit_attr);
1200	XFree(status_attr);
1201	}	1677	}
1202	#endif /* USE_XIM */	1678	#endif /* USE_XIM */
1203		1679
1204	/*----------------------------------------------------------------------*/	1680	void
1205	rxvt_t *rxvt_current_term;	1681	rxvt_term::get_window_origin (int &x, int &y)
		1682	{
		1683	Window cr;
		1684	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1685	}
		1686
		1687	#ifdef HAVE_BG_PIXMAP
		1688
		1689	void
		1690	rxvt_term::update_background ()
		1691	{
		1692	if (update_background_ev.is_active ())
		1693	return;
		1694
		1695	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1696
		1697	if (to_wait <= 0.)
		1698	bg_render ();
		1699	else
		1700	update_background_ev.start (to_wait);
		1701	}
		1702
		1703	void
		1704	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1705	{
		1706	make_current ();
		1707
		1708	update_background_ev.stop ();
		1709	bg_render ();
		1710	refresh_check ();
		1711	}
		1712
		1713	#endif /* HAVE_BG_PIXMAP */
1206		1714
1207	/*----------------------- end-of-file (C source) -----------------------*/	1715	/*----------------------- end-of-file (C source) -----------------------*/

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