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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.399 by sf-exg, Tue Oct 13 08:10:43 2015 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.1 2003/11/24 17:28:08 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) 2003-2014 Marc Lehmann <schmorp@schmorp.de>
		17	* Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
17	*	18	*
18	* This program is free software; you can redistribute it and/or modify	19	* 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	20	* 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	21	* the Free Software Foundation; either version 3 of the License, or
21	* (at your option) any later version.	22	* (at your option) any later version.
22	*	23	*
23	* This program is distributed in the hope that it will be useful,	24	* This program is distributed in the hope that it will be useful,
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of	25	* but WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	26	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
28	* You should have received a copy of the GNU General Public License	29	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, write to the Free Software	30	* along with this program; if not, write to the Free Software
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	31	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	32	*---------------------------------------------------------------------*/
32		33
33	#include "../config.h" /* NECESSARY */	34	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	35	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	36	#include "init.h"
		37	#include "keyboard.h"
		38	#include "rxvtperl.h"
36		39
		40	#include <limits>
		41
		42	#include <assert.h>
37	#include <signal.h>	43	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	#include <string.h>
41	#endif
42		45
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	46	#include <termios.h>
45	#endif
46		47
47	/*----------------------------------------------------------------------*/	48	#ifdef HAVE_XSETLOCALE
48	/* rxvt_init() */	49	# define X_LOCALE
49	/* LIBPROTO */	50	# 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	51	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	52	# include <locale.h>
100	#endif	53	#endif
101	#endif
102		54
103	#ifdef HAVE_SCROLLBARS	55	struct termios rxvt_term::def_tio;
104	if (R->Options & Opt_scrollBar)	56	vector<rxvt_term *> rxvt_term::termlist;
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */	57
106	#endif	58	// used to tell global functions which terminal instance is "active"
107	#if (MENUBAR_MAX)	59	rxvt_t rxvt_current_term;
108	if (menubar_visible(r))	60
109	XMapWindow(R->Xdisplay, R->menuBar.win);	61	static char curlocale[128], savelocale[128];
110	#endif	62
111	#ifdef TRANSPARENT	63	bool
112	if (R->Options & Opt_transparent) {	64	rxvt_set_locale (const char *locale) NOTHROW
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	65	{
114	rxvt_check_our_parents(aR);	66	int size = strlen (locale) + 1;
		67
		68	if (size > sizeof (curlocale))
		69	rxvt_fatal ("locale string too long, aborting.\n");
		70
		71	if (!locale || !memcmp (locale, curlocale, size))
		72	return false;
		73
		74	memcpy (curlocale, locale, size);
		75	setlocale (LC_CTYPE, curlocale);
		76	return true;
		77	}
		78
		79	void
		80	rxvt_push_locale (const char *locale) NOTHROW
		81	{
		82	strcpy (savelocale, curlocale);
		83	rxvt_set_locale (locale);
		84	}
		85
		86	void
		87	rxvt_pop_locale () NOTHROW
		88	{
		89	rxvt_set_locale (savelocale);
		90	}
		91
		92	#if ENABLE_COMBINING
		93	class rxvt_composite_vec rxvt_composite;
		94
		95	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		96	{
		97	compose_char *cc;
		98
		99	// break compose chains, as stupid readline really likes to duplicate
		100	// composing characters for some reason, near the end of a line.
		101	cc = (*this)[c1];
		102	while (cc)
115	}	103	{
116	#endif	104	if (cc->c2 == c2) return c1;
117	XMapWindow(R->Xdisplay, R->TermWin.vt);	105	cc = (*this)[cc->c1];
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	106	}
119		107
120	rxvt_init_env(aR);	108	// check to see whether this combination already exists otherwise
121	rxvt_init_command(aR_ cmd_argv);	109	for (cc = v.begin (); cc < v.end (); cc++)
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
122		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
		149	return len;
		150
		151	}
		152	#endif
		153
		154	rxvt_term::rxvt_term ()
		155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
		159	#ifdef CURSOR_BLINK
		160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#if USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		180	#endif
		181	#ifdef POINTER_BLANK
		182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		183	#endif
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193
		194	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		195
		196	termlist.push_back (this);
		197
		198	#ifdef KEYSYM_RESOURCE
		199	keyboard = new keyboard_manager;
		200	#endif
		201	}
		202
		203	// clean up the most important stuff, do *not* call x or free mem etc.
		204	// for use before an emergency exit
		205	void
		206	rxvt_term::emergency_cleanup ()
		207	{
		208	if (cmd_pid)
		209	kill (-cmd_pid, SIGHUP);
		210
		211	pty_ev.stop ();
		212	delete pty; pty = 0;
		213	}
		214
		215	rxvt_term::~rxvt_term ()
		216	{
		217	termlist.erase (find (termlist.begin (), termlist.end(), this));
		218
		219	emergency_cleanup ();
		220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
		225	#endif
		226	delete fontset[0];
		227
		228	#ifdef HAVE_BG_PIXMAP
		229	bg_destroy ();
		230	#endif
		231
		232	#if HAVE_IMG
		233	delete bg_img;
		234	#endif
		235
		236	if (display)
		237	{
		238	selection_clear ();
		239	selection_clear (true);
		240
		241	#if USE_XIM
		242	im_destroy ();
		243	#endif
		244	scrollBar.destroy ();
		245
		246	if (gc)
		247	XFreeGC (dpy, gc);
		248
		249	delete drawable;
		250
		251	// destroy all windows
		252	if (parent)
		253	XDestroyWindow (dpy, parent);
		254
		255	for (int i = 0; i < TOTAL_COLORS; i++)
		256	if (ISSET_PIXCOLOR (i))
		257	{
		258	pix_colors_focused [i].free (this);
		259	#if OFF_FOCUS_FADING
		260	if (rs[Rs_fade])
		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);
		269	}
		270
		271	scr_release ();
		272
		273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	free (locale);
		280	free (v_buffer);
		281
		282	delete selection_req;
		283
		284	if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
		285	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
		286
		287	delete [] env;
		288
		289	delete envv;
		290	delete argv;
		291
		292	#ifdef KEYSYM_RESOURCE
		293	delete keyboard;
		294	#endif
		295	#ifndef NO_RESOURCES
		296	XrmDestroyDatabase (option_db);
		297	#endif
		298
		299	SET_R ((rxvt_term *)0);
		300	}
		301
		302	// child has exited, usually destroys
		303	void
		304	rxvt_term::child_cb (ev::child &w, int status)
		305	{
		306	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		307
		308	cmd_pid = 0;
		309
		310	if (!option (Opt_hold))
		311	destroy ();
		312	}
		313
		314	void
		315	rxvt_term::destroy ()
		316	{
		317	if (destroy_ev.is_active ())
123	return R;	318	return;
124	}
125		319
126	/* ------------------------------------------------------------------------- *	320	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		321
140	do {	322	#if ENABLE_OVERLAY
141	errno = 0;	323	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	324	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165		325
166	/* ARGSUSED */	326	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	}	327	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	328	#if USE_XIM
178	event->request_code, event->minor_code,	329	im_ev.stop (display);
179	event->error_code);	330	#endif
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	331	scrollbar_ev.stop (display);
181	exit(EXIT_FAILURE);	332	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
182	/* NOTREACHED */	333	rootwin_ev.stop (display);
		334	#endif
		335	termwin_ev.stop (display);
		336	vt_ev.stop (display);
		337	}
		338
		339	flush_ev.stop ();
		340	pty_ev.stop ();
		341	#ifdef CURSOR_BLINK
		342	cursor_blink_ev.stop ();
		343	#endif
		344	#ifdef TEXT_BLINK
		345	text_blink_ev.stop ();
		346	#endif
		347	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		348	cont_scroll_ev.stop ();
		349	#endif
		350	#ifdef SELECTION_SCROLLING
		351	sel_scroll_ev.stop ();
		352	#endif
		353	#ifdef POINTER_BLANK
		354	pointer_ev.stop ();
		355	#endif
		356
		357	destroy_ev.start ();
		358	}
		359
		360	void
		361	rxvt_term::destroy_cb (ev::idle &w, int revents)
		362	{
		363	make_current ();
		364
		365	delete this;
		366	}
		367
		368	void
		369	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		370	{
		371	if (!opt)
		372	return;
		373
		374	uint8_t mask = 1 << (opt & 7);
		375	uint8_t &val = options [opt >> 3];
		376
		377	val = val & ~mask | (set ? mask : 0);
183	}	378	}
184		379
185	/*----------------------------------------------------------------------*/	380	/*----------------------------------------------------------------------*/
186	/*	381	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	382	* 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	*/	383	*/
190	/* EXTPROTO */	384	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		385
196	#ifdef DEBUG_SCREEN	386	static void
197	rxvt_scr_release(aR);	387	rxvt_emergency_cleanup ()
198	#endif	388	{
199	#ifndef NO_SETOWNER_TTYDEV	389	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
200	rxvt_privileged_ttydev(aR_ RESTORE);	390	(*t)->emergency_cleanup ();
201	#endif	391	}
202	#ifdef UTMP_SUPPORT	392
203	rxvt_privileged_utmp(aR_ RESTORE);	393	#if !ENABLE_MINIMAL
204	#endif	394	static void ecb_cold
205	#ifdef USE_XIM	395	print_x_error (Display *dpy, XErrorEvent *event)
206	if (R->h->Input_Context != NULL) {	396	{
207	XDestroyIC(R->h->Input_Context);	397	char buffer[BUFSIZ];
208	R->h->Input_Context = NULL;	398	char mesg[BUFSIZ];
		399	char number[32];
		400
		401	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		402
		403	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		404	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		405
		406	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		407	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		408	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		409
		410	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		411	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		412
		413	if (event->request_code >= 128)
209	}	414	{
210	#endif	415	#if 0
211	}	416	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		417	int nexts;
		418	char **exts = XListExtensions (dpy, &nexts);
212		419
213	/* ------------------------------------------------------------------------- *	420	while (nexts)
214	* MEMORY ALLOCATION WRAPPERS *	421	{
215	* ------------------------------------------------------------------------- */	422	char *extname = exts [nexts - 1];
216	/* EXTPROTO */	423	int major, first_event, first_error;
217	void *
218	rxvt_malloc(size_t size)
219	{
220	void *p;
221		424
222	p = malloc(size);	425	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
223	if (p)	426	{
224	return p;	427	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		428	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
225		429
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	430	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
227	rxvt_clean_exit();	431	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
228	exit(EXIT_FAILURE);	432	rxvt_warn ("+ (which is %s)\n", buffer);
229	/* NOTREACHED */
230	}
231		433
232	/* EXTPROTO */	434	break;
233	void *	435	}
234	rxvt_calloc(size_t number, size_t size)
235	{
236	void *p;
237		436
238	p = calloc(number, size);	437	printf ("nextss %d %s\n", nexts, extname);//D
239	if (p)	438	--nexts;
240	return p;	439	++exts;
		440	}
		441	#else
		442	int nexts = 0;
		443	char **exts = 0;
		444	#endif
241		445
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	446	if (!nexts)
243	rxvt_clean_exit();	447	{
244	exit(EXIT_FAILURE);	448	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
245	/* NOTREACHED */
246	}
247		449
248	/* EXTPROTO */	450	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
249	void *	451	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
250	rxvt_realloc(void *ptr, size_t size)
251	{
252	void *p;
253		452
254	if (ptr)	453	#if 0
255	p = realloc(ptr, size);	454	sprintf (number, "RENDER.%d", event->minor_code);
		455	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		456	rxvt_warn ("+ (which is %s)\n", buffer);
		457	#endif
		458	}
		459
		460	XFreeExtensionList (exts);
		461	}
		462	else
		463	{
		464	sprintf (number, "%d", event->request_code);
		465	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		466	rxvt_warn ("+ (which is %s)\n", buffer);
		467	}
		468
		469	if (event->error_code == BadWindow
		470	|| event->error_code == BadPixmap
		471	|| event->error_code == BadCursor
		472	|| event->error_code == BadFont
		473	|| event->error_code == BadDrawable
		474	|| event->error_code == BadColor
		475	|| event->error_code == BadGC
		476	|| event->error_code == BadIDChoice
		477	|| event->error_code == BadValue
		478	|| event->error_code == BadAtom)
		479	{
		480	if (event->error_code == BadValue)
		481	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		482	else if (event->error_code == BadAtom)
		483	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
256	else	484	else
257	p = malloc(size);	485	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
258	if (p)	486
		487	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		488	}
		489	}
		490	#endif
		491
		492	int ecb_cold
		493	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		494	{
		495	if (GET_R && GET_R->allowedxerror == -1)
		496	GET_R->allowedxerror = event->error_code;
		497	else
		498	{
		499	// GET_R is most likely not the terminal which caused the error,
		500	// so just output the error and continue
		501	#if ENABLE_MINIMAL
		502	old_xerror_handler (display, event);
		503	#else
		504	print_x_error (display, event);
		505	#endif
		506	}
		507
259	return p;	508	return 0;
		509	}
260		510
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	511	int ecb_cold
262	rxvt_clean_exit();	512	rxvt_xioerror_handler (Display *display)
		513	{
		514	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		515	DisplayString (display));
		516	rxvt_emergency_cleanup ();
263	exit(EXIT_FAILURE);	517	_exit (EXIT_FAILURE);
264	/* NOTREACHED */
265	}	518	}
266	/* ------------------------------------------------------------------------- *	519
267	* PRIVILEGED OPERATIONS *	520	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	{	521	{
274	#if ! defined(__CYGWIN32__)	522	ev::sig sw_term, sw_int;
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	523
276	/* setreuid() is the poor man's setuid(), seteuid() */	524	/*
277	# define seteuid(a) setreuid(-1, (a))	525	* Catch a fatal signal and tidy up before quitting
278	# define setegid(a) setregid(-1, (a))	526	*/
279	# define HAVE_SETEUID	527	void sig_term (ev::sig &w, int revents);
		528
		529	sig_handlers ()
		530	{
		531	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		532	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		533	}
		534	} sig_handlers;
		535
		536	void
		537	sig_handlers::sig_term (ev::sig &w, int revents)
		538	{
		539	rxvt_emergency_cleanup ();
		540	w.stop ();
		541	kill (getpid (), w.signum);
		542	}
		543
		544	static void
		545	rxvt_get_ttymode (struct termios *tio)
		546	{
		547	if (tcgetattr (STDIN_FILENO, tio) < 0)
		548	memset (tio, 0, sizeof (struct termios));
		549
		550	for (int i = 0; i < NCCS; i++)
		551	tio->c_cc[i] = VDISABLE;
		552
		553	tio->c_cc[VINTR] = CINTR;
		554	tio->c_cc[VQUIT] = CQUIT;
		555	tio->c_cc[VERASE] = CERASE;
		556	#ifdef VERASE2
		557	tio->c_cc[VERASE2] = CERASE2;
		558	#endif
		559	tio->c_cc[VKILL] = CKILL;
		560	tio->c_cc[VEOF] = CEOF;
		561	tio->c_cc[VSTART] = CSTART;
		562	tio->c_cc[VSTOP] = CSTOP;
		563	tio->c_cc[VSUSP] = CSUSP;
		564	# ifdef VDSUSP
		565	tio->c_cc[VDSUSP] = CDSUSP;
280	# endif	566	# endif
281	# ifdef HAVE_SETEUID	567	# ifdef VREPRINT
282	switch (mode) {	568	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	569	# endif
312	#endif	570	# ifdef VDISCRD
313	}	571	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	572	# endif
366	{	573	# ifdef VWERSE
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */	574	tio->c_cc[VWERSE] = CWERASE;
368	chmod(h->ttydev, h->ttymode);
369	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);
371	# endif	575	# endif
372	}	576	# ifdef VLNEXT
373	} else { /* action == RESTORE */	577	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	578	# endif
383	}	579	# ifdef VSTATUS
384		580	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	581	# endif
390	}	582
		583	# if VMIN != VEOF
		584	tio->c_cc[VMIN] = 1;
391	#endif	585	# endif
		586	# if VTIME != VEOL
		587	tio->c_cc[VTIME] = 0;
		588	# endif
		589
		590	/* input modes */
		591	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		592	# ifdef IMAXBEL
		593	| IMAXBEL
		594	# endif
		595	| IXON);
		596
		597	/* output modes */
		598	tio->c_oflag = (OPOST | ONLCR);
		599
		600	/* control modes */
		601	tio->c_cflag = (CS8 | CREAD);
		602
		603	/* local modes */
		604	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		605	# if defined (ECHOCTL) && defined (ECHOKE)
		606	| ECHOCTL | ECHOKE
		607	# endif
		608	| ECHOE | ECHOK);
		609	}
		610
		611	char **rxvt_environ; // startup environment
		612
		613	void
		614	rxvt_init ()
		615	{
		616	assert (("fontMask must not overlap other RS masks",
		617	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		618
		619	rxvt_get_ttymode (&rxvt_term::def_tio);
		620
		621	// get rid of stdin/stdout as we don't need them, to free resources
		622	dup2 (STDERR_FILENO, STDIN_FILENO);
		623	dup2 (STDERR_FILENO, STDOUT_FILENO);
		624
		625	if (!ev_default_loop ())
		626	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		627
		628	rxvt_environ = environ;
		629
		630	signal (SIGHUP, SIG_IGN);
		631	signal (SIGPIPE, SIG_IGN);
		632
		633	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		634	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		635
		636	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		637	// TODO: handle this with exceptions and tolerate the memory loss
		638	XSetIOErrorHandler (rxvt_xioerror_handler);
		639
		640	XrmInitialize ();
		641
		642	#if HAVE_PIXBUF
		643	g_type_init ();
		644	#endif
		645	}
392		646
393	/*----------------------------------------------------------------------*/	647	/*----------------------------------------------------------------------*/
394	/*	648	/*
395	* window size/position calculcations for XSizeHint and other storage.	649	* window size/position calculations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	650	* if width/height are non-zero then override calculated width/height
397	*/	651	*/
398	/* EXTPROTO */
399	void	652	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	653	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	654	{
402	short recalc_x, recalc_y;	655	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	656	int x, y, flags;
404	unsigned int w, h;	657	unsigned int w, h;
405	unsigned int max_width, max_height;	658	unsigned int max_width, max_height;
406		659
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;	660	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	661	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	662	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		663
412	recalc_x = recalc_y = 0;	664	recalc_x = recalc_y = 0;
413	flags = 0;	665	flags = 0;
		666
414	if (!R->h->parsed_geometry) {	667	if (!parsed_geometry)
		668	{
415	R->h->parsed_geometry = 1;	669	parsed_geometry = 1;
		670
416	if (R->h->rs[Rs_geometry])	671	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	672	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		673
418	if (flags & WidthValue) {	674	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	675	{
420	R->szHint.flags |= USSize;	676	if (!w)
421	}	677	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		678
		679	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
		680	szHint.flags |= USSize;
		681	}
		682
422	if (flags & HeightValue) {	683	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	684	{
424	R->szHint.flags |= USSize;	685	if (!h)
425	}	686	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		687
		688	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
		689	szHint.flags |= USSize;
		690	}
		691
426	if (flags & XValue) {	692	if (flags & XValue)
427	R->szHint.x = x;	693	{
		694	szHint.x = x;
428	R->szHint.flags |= USPosition;	695	szHint.flags |= USPosition;
		696
429	if (flags & XNegative) {	697	if (flags & XNegative)
430	recalc_x = 1;	698	{
		699	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	700	szHint.win_gravity = NorthEastGravity;
		701	}
		702	}
		703
		704	if (flags & YValue)
		705	{
		706	szHint.y = y;
		707	szHint.flags |= USPosition;
		708
		709	if (flags & YNegative)
		710	{
		711	recalc_y = 1;
		712
		713	if (szHint.win_gravity == NorthEastGravity)
		714	szHint.win_gravity = SouthEastGravity;
		715	else
		716	szHint.win_gravity = SouthWestGravity;
		717	}
		718	}
432	}	719	}
433	}	720
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 */	721	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	722	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	723	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	724	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	725	max_height = MAX_ROWS * fheight;
451		726
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	727	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		728
454	sb_w = mb_h = 0;	729	window_vt_x = window_vt_y = int_bwidth;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	730
456	if (scrollbar_visible(R)) {	731	if (scrollBar.state)
457	sb_w = scrollbar_TotalWidth();	732	{
		733	int sb_w = scrollBar.total_width ();
458	R->szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
		735
459	if (!(R->Options & Opt_scrollBar_right))	736	if (!option (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	737	window_vt_x += sb_w;
461	}	738	}
462	if (menubar_visible(R)) {	739
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;	740	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	741	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	742	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	743	szHint.min_height = szHint.base_height + szHint.height_inc;
471		744
472	if (width && width - R->szHint.base_width < max_width) {	745	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	}	746	{
		747	szHint.width = newwidth;
		748	width = newwidth - szHint.base_width;
		749	}
		750	else
		751	{
		752	min_it (width, max_width);
		753	szHint.width = szHint.base_width + width;
		754	}
		755
479	if (height && height - R->szHint.base_height < max_height) {	756	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	}	757	{
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	758	szHint.height = newheight;
487	R->h->window_sb_x = R->szHint.width - sb_w;	759	height = newheight - szHint.base_height;
		760	}
		761	else
		762	{
		763	min_it (height, max_height);
		764	szHint.height = szHint.base_height + height;
		765	}
488		766
489	if (recalc_x)	767	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	768	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	769
492	if (recalc_y)	770	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	771	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		772
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	773	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	774	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));	775
499	return;	776	// When the size of the vt window is not a multiple of the cell
		777	// size, i.e., when the wm does not honour our size hints, there are
		778	// extra areas not covered by the terminal screen. Such gaps, when a
		779	// bg pixmap is set, would have to be cleared manually to properly
		780	// refresh the background. We take the simpler route and shrink the
		781	// vt window so as to avoid creating gaps.
		782	vt_width = ncol * fwidth;
		783	vt_height = nrow * fheight;
500	}	784	}
501		785
502	/*----------------------------------------------------------------------*/	786	/*----------------------------------------------------------------------*/
503	/*	787	/*
504	* Tell the teletype handler what size the window is.	788	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	789	* Called after a window size change.
506	*/	790	*/
507	/* EXTPROTO */
508	void	791	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	792	rxvt_term::tt_winch ()
510	{	793	{
		794	if (pty->pty < 0)
		795	return;
		796
511	struct winsize ws;	797	struct winsize ws;
512		798
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	799	ws.ws_col = ncol;
516	ws.ws_row = row;	800	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	801	ws.ws_xpixel = vt_width;
518	#ifndef DEBUG_SIZE	802	ws.ws_ypixel = vt_height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	803	ioctl (pty->pty, TIOCSWINSZ, &ws);
		804
		805	#if 0
		806	// TIOCSWINSZ is supposed to do this automatically and correctly
		807	if (cmd_pid) /* force through to the command */
		808	kill (-cmd_pid, SIGWINCH);
		809	#endif
		810	}
		811
		812	/*----------------------------------------------------------------------*/
		813	/* load and set the various fonts */
		814	bool
		815	rxvt_term::set_fonts ()
		816	{
		817	rxvt_fontset *fs = new rxvt_fontset (this);
		818	rxvt_fontprop prop;
		819
		820	if (!fs
		821	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		822	|| !fs->realize_font (1))
		823	{
		824	delete fs;
		825	return false;
		826	}
		827
		828	#if ENABLE_STYLES
		829	for (int i = RS_styleCount; --i; )
		830	if (fontset[i] != fontset[0])
		831	delete fontset[i];
		832	#endif
		833
		834	delete fontset[0];
		835	fontset[0] = fs;
		836
		837	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		838	prop.width = max (prop.width + letterSpace, 1);
		839
		840	fs->set_prop (prop, false);
		841
		842	fwidth = prop.width;
		843	fheight = prop.height + lineSpace;
		844	fbase = prop.ascent;
		845
		846	for (int style = 1; style < 4; style++)
		847	{
		848	#if ENABLE_STYLES
		849	const char *res = rs[Rs_font + style];
		850
		851	if (res && !*res)
		852	fontset[style] = fontset[0];
		853	else
		854	{
		855	fontset[style] = fs = new rxvt_fontset (this);
		856	rxvt_fontprop prop2 = prop;
		857
		858	if (res)
		859	{
		860	fs->populate (res);
		861	fs->set_prop (prop2, false);
		862	}
		863	else
		864	{
		865	fs->populate (fontset[0]->fontdesc);
		866
		867	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		868	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		869
		870	fs->set_prop (prop2, true);
		871	}
		872
		873	}
520	#else	874	#else
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	875	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	876	#endif
528	#endif	877	}
529	}
530		878
531	/*----------------------------------------------------------------------*/	879	if (parent)
532	/* rxvt_change_font() - Switch to a new font */	880	{
533	/*	881	resize_all_windows (0, 0, 0);
534	* init = 1 - initialize	882	scr_remap_chars ();
535	*	883	scr_touch (true);
536	* fontname == FONT_UP - switch to bigger font	884	}
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		885
545	/* INTPROTO */	886	return true;
		887	}
		888
546	void	889	void
547	rxvt_font_up_down(pR_ int n, int direction)	890	rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	891	{
		892	XChangeProperty (dpy, parent,
		893	prop, XA_STRING, 8, PropModeReplace,
		894	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		895	}
		896
		897	void
		898	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		899	{
		900	XTextProperty ct;
		901
		902	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		903	{
		904	XSetTextProperty (dpy, parent, &ct, prop);
		905	XFree (ct.value);
		906	}
		907	}
		908
		909	void
		910	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		911	{
		912	wchar_t *ws = rxvt_mbstowcs (str, len);
		913	char *s = rxvt_wcstoutf8 (ws);
		914
		915	XChangeProperty (dpy, parent,
		916	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		917	(const unsigned char *)s, strlen (s));
		918
		919	free (s);
		920	free (ws);
549	}	921	}
550		922
551	/*----------------------------------------------------------------------*/	923	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	924	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	925	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	926	void
556	rxvt_set_title(pR_ const char *str)	927	rxvt_term::set_title (const char *str)
557	{	928	{
558	#ifndef SMART_WINDOW_TITLE	929	set_mbstring_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	930	#if ENABLE_EWMH
560	#else	931	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	932	#endif
570	}	933	}
571		934
572	/* EXTPROTO */
573	void	935	void
574	rxvt_set_iconName(pR_ const char *str)	936	rxvt_term::set_icon_name (const char *str)
575	{	937	{
576	#ifndef SMART_WINDOW_TITLE	938	set_mbstring_property (XA_WM_ICON_NAME, str);
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	939	#if ENABLE_EWMH
578	#else	940	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	941	#endif
588	}	942	}
589		943
		944	void
		945	rxvt_term::set_window_color (int idx, const char *color)
		946	{
590	#ifdef XTERM_COLOR_CHANGE	947	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;
596	int i;
597
598	if (color == NULL || *color == '\0')	948	if (color == NULL || *color == '\0')
599	return;	949	return;
600		950
		951	color = strdup (color);
		952	allocated.push_back ((void *)color);
		953	rs[Rs_color + idx] = color;
		954
601	/* handle color aliases */	955	/* handle color aliases */
602	if (isdigit(*color)) {	956	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	}	957	{
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))	958	int i = atoi (color);
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621		959
622	/*	960	if (i >= 8 && i <= 15)
623	* FIXME: should free colors here, but no idea how to do it so instead,	961	{
624	* so just keep gobbling up the colormap	962	/* bright colors */
625	*/	963	alias_color (idx, minBrightCOLOR + i - 8);
626	# if 0	964	goto done;
627	for (i = Color_Black; i <= Color_White; i++)	965	}
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		966
637	R->PixColors[idx] = xcol;	967	if (i >= 0 && i <= 7)
638	SET_PIXCOLOR(R->h, idx);	968	{
		969	/* normal colors */
		970	alias_color (idx, minCOLOR + i);
		971	goto done;
		972	}
		973	}
639		974
640	/* XSetWindowAttributes attr; */	975	pix_colors_focused[idx].free (this);
641	/* Cursor cursor; */	976	set_color (pix_colors_focused[idx], color);
642	Done:
643	if (idx == Color_bg && !(R->Options & Opt_transparent))
644	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645	R->PixColors[Color_bg]);
646		977
		978	done:
647	/* handle Color_BD, scrollbar background, etc. */	979	/*TODO: handle Color_BD, scrollbar background, etc. */
648		980
649	rxvt_set_colorfgbg(aR);	981	update_fade_color (idx);
650	rxvt_recolour_cursor(aR);	982	recolor_cursor ();
651	/* the only reasonable way to enforce a clean update */	983	scr_recolor ();
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 */	984	#endif /* XTERM_COLOR_CHANGE */
		985	}
658		986
659	/* EXTPROTO */
660	void	987	void
661	rxvt_recolour_cursor(pR)	988	rxvt_term::recolor_cursor ()
662	{	989	{
663	rxvt_color xcol[2];	990	XColor fg, bg;
664		991
665	#if TODO	992	(ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	993	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	994	: pix_colors_focused[Color_fg]).get (fg);
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	995
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	996	(ISSET_PIXCOLOR (Color_pointer_bg)
670	#endif	997	? pix_colors_focused[Color_pointer_bg]
		998	: pix_colors_focused[Color_bg]).get (bg);
		999
		1000	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
671	}	1001	}
672		1002
673	/*----------------------------------------------------------------------*/	1003	/*----------------------------------------------------------------------*/
674	/*	1004	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	1005	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	1006	*/
677	/* INTPROTO */	1007	char *
678	void
679	rxvt_set_colorfgbg(pR)	1008	rxvt_term::get_colorfgbg ()
680	{	1009	{
681	unsigned int i;	1010	unsigned int i;
682	const char *xpmb = "\0";	1011	const char *xpmb = "";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1012	char fstr[] = "default";
		1013	char bstr[] = "default";
		1014	char *env_colorfgbg;
684		1015
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++)	1016	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1017	if (pix_colors[Color_fg] == pix_colors[i])
		1018	{
690	sprintf(fstr, "%d", (i - Color_Black));	1019	sprintf (fstr, "%d", i - Color_Black);
691	break;	1020	break;
692	}	1021	}
		1022
693	for (i = Color_Black; i <= Color_White; i++)	1023	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1024	if (pix_colors[Color_bg] == pix_colors[i])
		1025	{
695	sprintf(bstr, "%d", (i - Color_Black));	1026	sprintf (bstr, "%d", i - Color_Black);
696	#ifdef XPM_BACKGROUND	1027	#if BG_IMAGE_FROM_FILE
697	xpmb = "default;";	1028	xpmb = "default;";
698	#endif	1029	#endif
699	break;	1030	break;
700	}	1031	}
		1032
		1033	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1034	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702	putenv(R->h->env_colorfgbg);	1035	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	}	1036	}
714		1037
715	/*----------------------------------------------------------------------*/	1038	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		1039
721	/* EXTPROTO */	1040	bool
722	int	1041	rxvt_term::set_color (rxvt_color &color, const char *name)
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)
724	{	1042	{
725	screen_in_out->set (aR_ colour);	1043	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;	1044	return true;
		1045
		1046	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1047	return false;
		1048	}
		1049
		1050	void
		1051	rxvt_term::alias_color (int dst, int src)
		1052	{
		1053	pix_colors[dst].free (this);
		1054	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
734	}	1055	}
735		1056
736	/* -------------------------------------------------------------------- *	1057	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1058	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1059	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1060	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1061	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	1062	{
743	int fix_screen;	1063	int fix_screen;
		1064	int old_width = szHint.width;
		1065	int old_height = szHint.height;
		1066
		1067	window_calc (newwidth, newheight);
		1068
		1069	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1070
		1071	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1072	if (set_hint)
		1073	{
		1074	szHint.flags &= ~(PBaseSize | PResizeInc);
		1075	XSetWMNormalHints (dpy, parent, &szHint);
		1076	szHint.flags |= PBaseSize | PResizeInc;
		1077	}
		1078
		1079	if (!ignoreparent)
		1080	{
744	#ifdef SMART_RESIZE	1081	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1082	/*
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>	1083	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1084	* reposition window on resize depending on placement on screen
756	*/	1085	*/
757	int x, y, x1, y1;	1086	int x, y, x1, y1;
758	int dx, dy;	1087	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1088	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1089	Window unused_cr;
761		1090
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1091	XTranslateCoordinates (dpy, parent, display->root,
763	0, 0, &x, &y, &unused_cr);	1092	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1093	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1094	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1095	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	1096	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	1097	* our position for handles and decorations. Counter it
769	*/	1098	*/
770	if (x1 != x || y1 != y) {	1099	if (x1 != x || y1 != y)
		1100	{
771	x -= x1;	1101	x -= x1;
772	y -= y1;	1102	y -= y1;
773	}	1103	}
774		1104
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1105	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1106	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1107	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1108	dy = old_height - szHint.height;
779		1109
780	/* Check position of the center of the window */	1110	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1111	if (x < x1) /* left half */
782	dx = 0;	1112	dx = 0;
783	else if (x == x1) /* exact center */	1113	else if (x == x1) /* exact center */
784	dx /= 2;	1114	dx /= 2;
785	if (y < y1) /* top half */	1115	if (y < y1) /* top half */
786	dy = 0;	1116	dy = 0;
787	else if (y == y1) /* exact center */	1117	else if (y == y1) /* exact center */
788	dy /= 2;	1118	dy /= 2;
789		1119
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1120	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1121	szHint.width, szHint.height);
792	#else	1122	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1123	XResizeWindow (dpy, parent, szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1124	#endif
796	}	1125	}
797		1126
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1127	if (set_hint)
799	|| R->TermWin.nrow != R->h->prev_nrow);	1128	XSetWMNormalHints (dpy, parent, &szHint);
		1129
		1130	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1131
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1132	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	}	1133	{
		1134	if (scrollBar.state)
		1135	scrollBar.resize ();
822		1136
		1137	XMoveResizeWindow (dpy, vt,
		1138	window_vt_x, window_vt_y,
		1139	vt_width, vt_height);
		1140
		1141	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1142
		1143	#ifdef HAVE_BG_PIXMAP
		1144	if (bg_window_size_sensitive ())
		1145	update_background ();
		1146	#endif
		1147	}
		1148
823	if (fix_screen || R->h->old_height == 0) {	1149	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1150	scr_reset ();
825	uint16_t old_ncol = R->h->prev_ncol;
826		1151
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	1152	#if USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1153	im_set_position ();
842	#endif	1154	#endif
843	}	1155	}
844		1156
845	/*	1157	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1158	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1159	* good for toggling 80/132 columns
848	*/	1160	*/
849	/* EXTPROTO */
850	void	1161	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1162	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1163	{
853	XWindowAttributes wattr;	1164	XWindowAttributes wattr;
854		1165
855	if (width == 0 || height == 0) {	1166	if (newwidth == 0 || newheight == 0)
		1167	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1168	XGetWindowAttributes (dpy, display->root, &wattr);
		1169
857	if (width == 0)	1170	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1171	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1172	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1173	newheight = wattr.height - szHint.base_height;
		1174	}
		1175
		1176	if (newwidth != vt_width || newheight != vt_height)
861	}	1177	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1178	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1179	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1180	resize_all_windows (newwidth, newheight, 0);
866	}	1181	}
867	}	1182	}
868		1183
869	/* -------------------------------------------------------------------- *	1184	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1185	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1186	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1187	#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		1188
883	/* INTPROTO */
884	void	1189	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1190	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1191	{
887	*fg = R->PixColors[Color_fg];	1192	fg = pix_colors [Color_fg];
888	*bg = R->PixColors[Color_bg];	1193	bg = pix_colors [Color_bg];
		1194	}
		1195
		1196	void
		1197	rxvt_term::im_set_size (XRectangle &size)
		1198	{
		1199	// the int_bwidth terms make no sense to me
		1200	size.x = int_bwidth;
		1201	size.y = int_bwidth;
		1202	size.width = Width2Pixel (ncol) + int_bwidth;
		1203	size.height = Height2Pixel (nrow) + int_bwidth;
		1204	}
		1205
		1206	void
		1207	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1208	XRectangle &status_rect,
		1209	const XRectangle &needed_rect)
		1210	{
		1211	preedit_rect.x = needed_rect.width;
		1212	preedit_rect.y = 0;
		1213	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1214	preedit_rect.height = fheight;
		1215
		1216	status_rect.x = 0;
		1217	status_rect.y = 0;
		1218	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1219	status_rect.height = fheight;
889	}	1220	}
890		1221
891	/* Checking whether input method is running. */	1222	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1223	bool
894	rxvt_IMisRunning(pR)	1224	rxvt_term::im_is_running ()
895	{	1225	{
896	char *p;	1226	Atom atom;
897	Atom atom;	1227	Window win;
898	Window win;
899	char server[IMBUFSIZ];	1228	char server[IMBUFSIZ];
900		1229
901	/* get current locale modifier */	1230	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1231	if (char *p = XSetLocaleModifiers (0))
903	STRCPY(server, "@server=");	1232	{
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1233	strcpy (server, "@server=");
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1234	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1235
		1236	if (p = strchr (server + 1, '@')) /* first one only */
906	*p = '\0';	1237	*p = '\0';
907		1238
908	atom = XInternAtom(R->Xdisplay, server, False);	1239	atom = XInternAtom (dpy, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1240	win = XGetSelectionOwner (dpy, atom);
		1241
910	if (win != None)	1242	if (win != None)
911	return True;	1243	return true;
912	}	1244	}
		1245
913	return False;	1246	return false;
914	}	1247	}
915		1248
916	/* EXTPROTO */
917	void	1249	void
918	rxvt_IMSendSpot(pR)	1250	rxvt_term::im_send_spot ()
919	{	1251	{
920	XPoint spot;	1252	XPoint nspot;
921	XVaNestedList preedit_attr;	1253	XVaNestedList preedit_attr;
922		1254
923	if (R->h->Input_Context == NULL	1255	if (!Input_Context
924	|| !R->TermWin.focus	1256	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1257	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926	|| !(R->h->event_type == KeyPress	1258	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		1259
935	rxvt_setPosition(aR_ &spot);	1260	im_set_position (nspot);
936		1261
		1262	if (nspot.x == spot.x && nspot.y == spot.y)
		1263	return;
		1264
		1265	spot = nspot;
		1266
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1267	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1268	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1269	XFree (preedit_attr);
940	}	1270	}
941		1271
942	/* EXTPROTO */
943	void	1272	void
944	rxvt_setTermFontSet(pR_ int idx)	1273	rxvt_term::im_destroy ()
945	{	1274	{
946	char *string;	1275	if (input_method)
947	long length;	1276	{
948	int success = 0;	1277	if (Input_Context && input_method->xim)
		1278	XDestroyIC (Input_Context);
949		1279
950	if (idx < 0 || idx >= MAX_NFONTS)	1280	display->put_xim (input_method);
951	return;	1281	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	}	1282	}
1030	}	1283
1031	for (i = 0; s[i]; i++)	1284	Input_Context = 0;
1032	free(s[i]);	1285	}
1033	free(s);	1286
		1287	#ifdef ENABLE_XIM_ONTHESPOT
		1288
		1289	static void
		1290	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1291	{
		1292	((rxvt_term *)client_data)->make_current ();
		1293	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1294	}
		1295
		1296	static void
		1297	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1298	{
		1299	((rxvt_term *)client_data)->make_current ();
		1300	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1301	}
		1302
		1303	static void
		1304	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1305	{
		1306	rxvt_term *term = (rxvt_term *)client_data;
		1307	XIMText *text = call_data->text;
		1308
		1309	term->make_current ();
		1310
		1311	if (text)
1034	}	1312	{
1035	if (found)	1313	wchar_t *str;
1036	return;
1037		1314
1038	/* try with XMODIFIERS env. var. */	1315	if (!text->encoding_is_wchar && text->string.multi_byte)
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1316	{
1040	rxvt_IM_get_IC(aR);	1317	// of course, X makes it ugly again
1041	return;	1318	if (term->rs[Rs_imLocale])
1042	}	1319	SET_LOCALE (term->rs[Rs_imLocale]);
1043		1320
1044	/* try with no modifiers base IF the user didn't specify an IM */	1321	str = rxvt_temp_buf<wchar_t> (text->length + 1);
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1322	mbstowcs (str, text->string.multi_byte, text->length + 1);
1046	&& rxvt_IM_get_IC(aR) == True)	1323
1047	return;	1324	if (term->rs[Rs_imLocale])
		1325	SET_LOCALE (term->locale);
		1326	}
		1327	else
		1328	str = text->string.wide_char;
		1329
		1330	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1331	DT_INT, call_data->caret,
		1332	DT_INT, call_data->chg_first,
		1333	DT_INT, call_data->chg_length,
		1334	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1335	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1336	DT_END));
		1337	}
		1338	else
		1339	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1340	DT_INT, call_data->caret,
		1341	DT_INT, call_data->chg_first,
		1342	DT_INT, call_data->chg_length,
		1343	DT_END));
1048	}	1344	}
		1345
		1346	#if 0
		1347	static void
		1348	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1349	{
		1350	((rxvt_term *)client_data)->make_current ();
		1351	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1352	DT_INT, call_data->position,
		1353	DT_INT, call_data->direction,
		1354	DT_INT, call_data->style,
		1355	DT_END));
		1356	}
		1357	#endif
		1358
		1359	#endif
1049		1360
1050	/*	1361	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1362	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1363	* open a suitable preedit type
1053	*/	1364	*/
1054	/* INTPROTO */
1055	Bool	1365	bool
1056	rxvt_IM_get_IC(pR)	1366	rxvt_term::im_get_ic (const char *modifiers)
1057	{	1367	{
1058	int i, j, found;	1368	int i, j, found;
1059	XIM xim;	1369	XIM xim;
1060	XPoint spot;	1370	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1371	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1372	unsigned long fg, bg;
1063	const char *p;	1373	const char *p;
1064	char **s;	1374	char **s;
1065	XIMStyles *xim_styles;	1375	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;
1067	XIMCallback ximcallback;
1068	struct rxvt_hidden *h = R->h;
1069		1376
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1377	set_environ (env);
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1378
1072	if (xim == NULL)	1379	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1073	return False;	1380	return false;
1074		1381
		1382	input_method = display->get_xim (locale, modifiers);
		1383	if (input_method == NULL)
		1384	return false;
		1385
		1386	xim = input_method->xim;
		1387	spot.x = spot.y = -1;
		1388
1075	xim_styles = NULL;	1389	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1390	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1391	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1392	{
		1393	im_destroy ();
		1394	return false;
		1395	}
1081		1396
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1397	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1398
1084	s = rxvt_splitcommastring(p);	1399	for (int pi = 0; pi < 2; pi++)
		1400	{
		1401	p = pet[pi];
		1402
		1403	if (!p)
		1404	continue;
		1405
		1406	s = rxvt_strsplit (',', p);
		1407
1085	for (i = found = 0; !found && s[i]; i++) {	1408	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1409	{
		1410	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1411	input_style = XIMPreeditPosition | XIMStatusNothing;
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1412	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1413	input_style = XIMPreeditArea | XIMStatusArea;
1090	else if (!STRCMP(s[i], "Root"))	1414	else if (!strcmp (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1415	input_style = XIMPreeditNothing | XIMStatusNothing;
		1416	else if (!strcmp (s[i], "None"))
		1417	input_style = XIMPreeditNone | XIMStatusNone;
		1418	#ifdef ENABLE_XIM_ONTHESPOT
		1419	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1420	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1421	#endif
		1422	else
		1423	input_style = XIMPreeditNothing | XIMStatusNothing;
1092		1424
1093	for (j = 0; j < xim_styles->count_styles; j++)	1425	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1426	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1427	{
1096	break;	1428	rxvt_free_strsplit (s);
		1429
		1430	found = 1;
		1431	goto foundpet;
		1432	}
		1433
		1434	}
		1435
		1436	rxvt_free_strsplit (s);
1097	}	1437	}
1098	}	1438
1099	for (i = 0; s[i]; i++)	1439	foundpet:
1100	free(s[i]);	1440
1101	free(s);
1102	XFree(xim_styles);	1441	XFree (xim_styles);
1103		1442
1104	if (!found) {	1443	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1444	{
		1445	im_destroy ();
		1446	return false;
		1447	}
1108		1448
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1449	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;	1450	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		1451
		1452	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1453	{
		1454	// fake us a font-set, please
		1455	char **missing_charset_list;
		1456	int missing_charset_count;
		1457	char *def_string;
		1458	char pat[512];
		1459
		1460	sprintf (pat,
		1461	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1462	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1463	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1464	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1465	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1466	"*",
		1467	fheight,
		1468	fheight + 1, fheight - 1,
		1469	fheight - 2, fheight + 2);
		1470
		1471	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1472	&missing_charset_list, &missing_charset_count, &def_string);
		1473
		1474	if (missing_charset_list)
		1475	XFreeStringList (missing_charset_list);
		1476
		1477	if (!fs)
		1478	{
		1479	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1480	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1481	}
		1482	}
		1483
1116	if (h->input_style & XIMPreeditPosition) {	1484	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1485	{
1118	rxvt_setPosition(aR_ &spot);	1486	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1487	im_set_position (spot);
		1488	im_set_color (fg, bg);
1120		1489
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1490	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1491	XNForeground, fg,
1123	XNForeground, fg,	1492	XNBackground, bg,
1124	XNBackground, bg,	1493	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1494	XNSpotLocation, &spot,
1126	NULL);	1495	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);	1496	NULL);
1148	}	1497	}
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)	1498	else if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1499	{
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1500	im_set_color (fg, bg);
		1501
		1502	/*
		1503	* The necessary width of preedit area is unknown
		1504	* until create input context.
		1505	*/
		1506	needed_rect.width = 0;
		1507	im_set_preedit_area (rect, status_rect, needed_rect);
		1508
		1509	preedit_attr = XVaCreateNestedList (0,
		1510	XNForeground, fg,
		1511	XNBackground, bg,
		1512	XNArea, &rect,
		1513	XNFontSet, fs,
		1514	NULL);
		1515	status_attr = XVaCreateNestedList (0,
		1516	XNForeground, fg,
		1517	XNBackground, bg,
		1518	XNArea, &status_rect,
		1519	XNFontSet, fs,
		1520	NULL);
		1521	}
		1522	#if ENABLE_XIM_ONTHESPOT
		1523	else if (input_style & XIMPreeditCallbacks)
		1524	{
		1525	XIMCallback xcb[4];
		1526
		1527	im_set_position (spot);
		1528
		1529	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1530	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1531	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1532	# if 0
		1533	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1534	# endif
		1535
		1536	preedit_attr = XVaCreateNestedList (0,
		1537	XNSpotLocation, &spot,
		1538	XNPreeditStartCallback, &xcb[0],
		1539	XNPreeditDoneCallback , &xcb[1],
		1540	XNPreeditDrawCallback , &xcb[2],
		1541	# if 0
		1542	XNPreeditCaretCallback, &xcb[3],
		1543	# endif
		1544	NULL);
		1545	}
		1546	#endif
		1547
		1548	Input_Context = XCreateIC (xim,
		1549	XNInputStyle, input_style,
		1550	XNClientWindow, vt,
		1551	XNFocusWindow, parent,
		1552	preedit_attr ? XNPreeditAttributes : NULL,
		1553	preedit_attr,
		1554	status_attr ? XNStatusAttributes : NULL,
		1555	status_attr, NULL);
		1556
		1557	if (preedit_attr) XFree (preedit_attr);
		1558	if (status_attr) XFree (status_attr);
		1559	if (fs) XFreeFontSet (dpy, fs);
		1560
		1561	if (Input_Context == NULL)
		1562	{
		1563	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1564	im_destroy ();
		1565	return false;
		1566	}
		1567
		1568	#if 0
		1569	// unfortunately, only the focus window is used by XIM, hard to fix
		1570	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1571	vt_select_input ();
		1572	#endif
		1573
		1574	im_set_position ();
		1575
1169	return True;	1576	return true;
1170	}	1577	}
1171		1578
1172	/* EXTPROTO */
1173	void	1579	void
1174	rxvt_IMSetStatusPosition(pR)	1580	rxvt_term::im_cb ()
1175	{	1581	{
		1582	int i;
		1583	const char *p;
		1584	char **s;
		1585	char buf[IMBUFSIZ];
		1586
		1587	make_current ();
		1588
		1589	im_destroy ();
		1590
		1591	if (Input_Context)
		1592	return;
		1593
		1594	if (rs[Rs_imLocale])
		1595	SET_LOCALE (rs[Rs_imLocale]);
		1596
		1597	p = rs[Rs_inputMethod];
		1598	if (p && *p)
		1599	{
		1600	bool found = false;
		1601
		1602	s = rxvt_strsplit (',', p);
		1603
		1604	for (i = 0; s[i]; i++)
		1605	{
		1606	if (*s[i])
		1607	{
		1608	strcpy (buf, "@im=");
		1609	strncat (buf, s[i], IMBUFSIZ - 5);
		1610	if (im_get_ic (buf))
		1611	{
		1612	found = true;
		1613	break;
		1614	}
		1615	}
		1616	}
		1617
		1618	rxvt_free_strsplit (s);
		1619
		1620	if (found)
		1621	goto done;
		1622	}
		1623
		1624	/* try with XMODIFIERS env. var. */
		1625	if (im_get_ic (""))
		1626	goto done;
		1627
		1628	/* try with no modifiers base IF the user didn't specify an IM */
		1629	if (im_get_ic ("@im=none"))
		1630	goto done;
		1631
		1632	done:
		1633	if (rs[Rs_imLocale])
		1634	SET_LOCALE (locale);
		1635	}
		1636
		1637	void
		1638	rxvt_term::im_set_position ()
		1639	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1640	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1641	XVaNestedList preedit_attr, status_attr;
1178		1642
1179	if (R->h->Input_Context == NULL	1643	if (!Input_Context
1180	|| !R->TermWin.focus	1644	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1645	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1182	|| !rxvt_IMisRunning(aR))	1646	|| !im_is_running ())
1183	return;	1647	return;
1184		1648
		1649	if (input_style & XIMPreeditPosition)
		1650	{
		1651	im_set_size (preedit_rect);
		1652	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1653
		1654	XSetICValues (Input_Context,
		1655	XNPreeditAttributes, preedit_attr, NULL);
		1656	}
		1657	else
		1658	{
1185	/* Getting the necessary width of preedit area */	1659	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1660	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1661	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1662	XFree (status_attr);
1189		1663
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1664	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1665	XFree (needed_rect);
1191		1666
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1667	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1668	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1669
1195	XSetICValues(R->h->Input_Context,	1670	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1671	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1672	XNStatusAttributes, status_attr,
		1673	NULL);
1198		1674
		1675	XFree (status_attr);
		1676	}
		1677
1199	XFree(preedit_attr);	1678	XFree (preedit_attr);
1200	XFree(status_attr);
1201	}	1679	}
1202	#endif /* USE_XIM */	1680	#endif /* USE_XIM */
1203		1681
1204	/*----------------------------------------------------------------------*/	1682	void
1205	rxvt_t *rxvt_current_term;	1683	rxvt_term::get_window_origin (int &x, int &y)
		1684	{
		1685	Window cr;
		1686	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1687	}
		1688
		1689	#ifdef HAVE_BG_PIXMAP
		1690
		1691	void
		1692	rxvt_term::update_background ()
		1693	{
		1694	if (update_background_ev.is_active ())
		1695	return;
		1696
		1697	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1698
		1699	if (to_wait <= 0.)
		1700	bg_render ();
		1701	else
		1702	update_background_ev.start (to_wait);
		1703	}
		1704
		1705	void
		1706	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1707	{
		1708	make_current ();
		1709
		1710	update_background_ev.stop ();
		1711	bg_render ();
		1712	refresh_check ();
		1713	}
		1714
		1715	#endif /* HAVE_BG_PIXMAP */
1206		1716
1207	/*----------------------- end-of-file (C source) -----------------------*/	1717	/*----------------------- end-of-file (C source) -----------------------*/

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