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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.382 by root, Tue Jun 5 12:04:55 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
		53
		54	struct termios rxvt_term::def_tio;
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
		60	static char curlocale[128], savelocale[128];
		61
		62	bool
		63	rxvt_set_locale (const char *locale) NOTHROW
		64	{
		65	int size = strlen (locale) + 1;
		66
		67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
		74	setlocale (LC_CTYPE, curlocale);
		75	return true;
		76	}
		77
		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)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
		148	return len;
		149
		150	}
		151	#endif
		152
47	rxvt_term::rxvt_term()	153	rxvt_term::rxvt_term ()
48	: pty_ev(this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)
50	{	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 ENABLE_TRANSPARENCY || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#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
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		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
54	void *	204	void
55	rxvt_term::operator new (size_t s)	205	rxvt_term::emergency_cleanup ()
56	{	206	{
57	void *p = malloc (s);	207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
58		209
59	MEMSET (p, 0, s);	210	pty_ev.stop ();
60	return p;	211	delete pty; pty = 0;
61	}	212	}
62		213
63	void	214	rxvt_term::~rxvt_term ()
64	rxvt_term::operator delete (void *p, size_t s)
65	{	215	{
66	free (p);	216	termlist.erase (find (termlist.begin (), termlist.end(), this));
67	}
68		217
69	/*----------------------------------------------------------------------*/	218	emergency_cleanup ();
70	/* rxvt_init() */
71	/* LIBPROTO */
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)
74	{
75	const char **cmd_argv;
76		219
77	SET_R(new rxvt_term);	220	#if ENABLE_STYLES
78	dR;	221	for (int i = RS_styleCount; --i; )
79		222	if (fontset[i] != fontset[0])
80	if (rxvt_init_vars(aR) < 0)	223	delete fontset[i];
81	{
82	free(R);
83	return NULL;
84	}
85
86	/*
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);
97
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif	224	#endif
105	#ifdef HAVE_SCROLLBARS	225	delete fontset[0];
106	if (R->Options & Opt_scrollBar)
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif
109		226
110	rxvt_Create_Windows(aR_ argc, argv);	227	#ifdef HAVE_BG_PIXMAP
111		228	bg_destroy ();
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif	229	#endif
118		230
119	#if 0	231	if (display)
120	#ifdef DEBUG_X
121	XSynchronize(R->Xdisplay, True);
122	XSetErrorHandler((XErrorHandler) abort);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif
126	#endif
127
128	#ifdef HAVE_SCROLLBARS
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)
133	if (menubar_visible(r))
134	XMapWindow(R->Xdisplay, R->menuBar.win);
135	#endif
136	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)
138	{	232	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	233	selection_clear ();
140	rxvt_check_our_parents(aR);	234	selection_clear (true);
		235
		236	#if USE_XIM
		237	im_destroy ();
		238	#endif
		239	scrollBar.destroy ();
		240	if (gc) XFreeGC (dpy, gc);
		241
		242	delete drawable;
		243	// destroy all windows
		244	if (parent)
		245	XDestroyWindow (dpy, parent);
		246
		247	for (int i = 0; i < TOTAL_COLORS; i++)
		248	if (ISSET_PIXCOLOR (i))
		249	{
		250	pix_colors_focused [i].free (this);
		251	#if OFF_FOCUS_FADING
		252	pix_colors_unfocused [i].free (this);
		253	#endif
		254	}
		255
		256	clear ();
		257
		258	display->flush (); /* ideally .put should do this */
		259	displays.put (display);
141	}	260	}
142	#endif
143	XMapWindow(R->Xdisplay, R->TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145		261
146	rxvt_init_env(aR);	262	scr_release ();
147	rxvt_init_command(aR_ cmd_argv);
148		263
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	264	/* clear all resources */
		265	for (int i = 0; i < allocated.size (); i++)
		266	free (allocated [i]);
150		267
		268	free (selection.text);
		269	free (selection.clip_text);
		270	free (locale);
		271	free (v_buffer);
		272
		273	delete selection_req;
		274
		275	delete envv;
		276	delete argv;
		277
		278	#ifdef KEYSYM_RESOURCE
		279	delete keyboard;
		280	#endif
		281	#ifndef NO_RESOURCES
		282	XrmDestroyDatabase (option_db);
		283	#endif
		284	}
		285
		286	// child has exited, usually destroys
		287	void
		288	rxvt_term::child_cb (ev::child &w, int status)
		289	{
		290	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		291
		292	cmd_pid = 0;
		293
		294	if (!option (Opt_hold))
		295	destroy ();
		296	}
		297
		298	void
		299	rxvt_term::destroy ()
		300	{
		301	if (destroy_ev.is_active ())
151	return R;	302	return;
152	}
153		303
154	/* ------------------------------------------------------------------------- *	304	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
155	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */
157	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167		305
168	do {	306	#if ENABLE_OVERLAY
169	errno = 0;	307	scr_overlay_off ();
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172	if (pid == R->cmd_pid)
173	exit(EXIT_SUCCESS);
174
175	errno = save_errno;
176	signal(SIGCHLD, rxvt_Child_signal);
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif	308	#endif
190	rxvt_clean_exit();
191	kill(getpid(), sig);
192	}
193		309
194	/* ARGSUSED */	310	if (display)
195	/* INTPROTO */
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201
202	if (R->allowedxerror == -1) {
203	R->allowedxerror = event->error_code;
204	return 0; /* ignored anyway */
205	}	311	{
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",	312	#if USE_XIM
207	event->request_code, event->minor_code,	313	im_ev.stop (display);
208	event->error_code);	314	#endif
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	315	scrollbar_ev.stop (display);
210	exit(EXIT_FAILURE);	316	#if ENABLE_TRANSPARENCY || ENABLE_PERL
211	/* NOTREACHED */	317	rootwin_ev.stop (display);
		318	#endif
		319	termwin_ev.stop (display);
		320	vt_ev.stop (display);
		321	}
		322
		323	flush_ev.stop ();
		324	pty_ev.stop ();
		325	#ifdef CURSOR_BLINK
		326	cursor_blink_ev.stop ();
		327	#endif
		328	#ifdef TEXT_BLINK
		329	text_blink_ev.stop ();
		330	#endif
		331	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		332	cont_scroll_ev.stop ();
		333	#endif
		334	#ifdef SELECTION_SCROLLING
		335	sel_scroll_ev.stop ();
		336	#endif
		337	#ifdef POINTER_BLANK
		338	pointer_ev.stop ();
		339	#endif
		340
		341	destroy_ev.start ();
		342	}
		343
		344	void
		345	rxvt_term::destroy_cb (ev::idle &w, int revents)
		346	{
		347	make_current ();
		348
		349	delete this;
		350	}
		351
		352	void
		353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		354	{
		355	if (!opt)
		356	return;
		357
		358	uint8_t mask = 1 << (opt & 7);
		359	uint8_t &val = options [opt >> 3];
		360
		361	val = val & ~mask | (set ? mask : 0);
212	}	362	}
213		363
214	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
215	/*	365	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* TODO: if debugging, this should free up any known resources if we can
218	*/	367	*/
219	/* EXTPROTO */	368	static XErrorHandler old_xerror_handler;
220	void
221	rxvt_clean_exit(void)
222	{
223	dR;
224		369
225	#ifdef DEBUG_SCREEN	370	static void
226	rxvt_scr_release(aR);	371	rxvt_emergency_cleanup ()
		372	{
		373	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		374	(*t)->emergency_cleanup ();
		375	}
		376
		377	#if !ENABLE_MINIMAL
		378	static void ecb_cold
		379	print_x_error (Display *dpy, XErrorEvent *event)
		380	{
		381	char buffer[BUFSIZ];
		382	char mesg[BUFSIZ];
		383	char number[32];
		384
		385	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		386
		387	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		388	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		389
		390	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		391	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		392	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		393
		394	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		395	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		396
		397	if (event->request_code >= 128)
		398	{
		399	#if 0
		400	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		401	int nexts;
		402	char **exts = XListExtensions (dpy, &nexts);
		403
		404	while (nexts)
		405	{
		406	char *extname = exts [nexts - 1];
		407	int major, first_event, first_error;
		408
		409	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		410	{
		411	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		412	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		413
		414	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		415	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		416	rxvt_warn ("+ (which is %s)\n", buffer);
		417
		418	break;
		419	}
		420
		421	printf ("nextss %d %s\n", nexts, extname);//D
		422	--nexts;
		423	++exts;
		424	}
		425	#else
		426	int nexts = 0;
		427	char **exts = 0;
227	#endif	428	#endif
228	#ifndef NO_SETOWNER_TTYDEV	429
229	rxvt_privileged_ttydev(aR_ RESTORE);	430	if (!nexts)
		431	{
		432	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		433
		434	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		435	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		436
		437	#if 0
		438	sprintf (number, "RENDER.%d", event->minor_code);
		439	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		440	rxvt_warn ("+ (which is %s)\n", buffer);
230	#endif	441	#endif
231	#ifdef UTMP_SUPPORT	442	}
232	rxvt_privileged_utmp(aR_ RESTORE);	443
233	#endif	444	XFreeExtensionList (exts);
234	#ifdef USE_XIM
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}	445	}
239	#endif
240	}
241
242	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */
245	/* EXTPROTO */
246	void *
247	rxvt_malloc(size_t size)
248	{
249	void *p;
250
251	p = malloc(size);
252	if (p)
253	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}
260
261	/* EXTPROTO */
262	void *
263	rxvt_calloc(size_t number, size_t size)
264	{
265	void *p;
266
267	p = calloc(number, size);
268	if (p)
269	return p;
270
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272	rxvt_clean_exit();
273	exit(EXIT_FAILURE);
274	/* NOTREACHED */
275	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)
280	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);
285	else	446	else
286	p = malloc(size);	447	{
287	if (p)	448	sprintf (number, "%d", event->request_code);
288	return p;	449	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		450	rxvt_warn ("+ (which is %s)\n", buffer);
		451	}
289		452
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	453	if (event->error_code == BadWindow
291	rxvt_clean_exit();	454	|| event->error_code == BadPixmap
		455	|| event->error_code == BadCursor
		456	|| event->error_code == BadFont
		457	|| event->error_code == BadDrawable
		458	|| event->error_code == BadColor
		459	|| event->error_code == BadGC
		460	|| event->error_code == BadIDChoice
		461	|| event->error_code == BadValue
		462	|| event->error_code == BadAtom)
		463	{
		464	if (event->error_code == BadValue)
		465	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		466	else if (event->error_code == BadAtom)
		467	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		468	else
		469	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		470
		471	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		472	}
		473	}
		474	#endif
		475
		476	int ecb_cold
		477	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		478	{
		479	if (GET_R->allowedxerror == -1)
		480	GET_R->allowedxerror = event->error_code;
		481	else
		482	{
		483	// GET_R is most likely not the terminal which caused the error,
		484	// so just output the error and continue
		485	#if ENABLE_MINIMAL
		486	old_xerror_handler (display, event);
		487	#else
		488	print_x_error (display, event);
		489	#endif
		490	}
		491
		492	return 0;
		493	}
		494
		495	int ecb_cold
		496	rxvt_xioerror_handler (Display *display)
		497	{
		498	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		499	DisplayString (display));
		500	rxvt_emergency_cleanup ();
292	exit(EXIT_FAILURE);	501	_exit (EXIT_FAILURE);
293	/* NOTREACHED */
294	}	502	}
295		503
296	/* ------------------------------------------------------------------------- *	504	static struct sig_handlers
297	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void
302	rxvt_privileges(pR_ int mode)
303	{	505	{
304	#if ! defined(__CYGWIN32__)	506	ev::sig sw_term, sw_int;
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	507
306	/* setreuid() is the poor man's setuid(), seteuid() */	508	/*
307	# define seteuid(a) setreuid(-1, (a))	509	* Catch a fatal signal and tidy up before quitting
308	# define setegid(a) setregid(-1, (a))	510	*/
309	# define HAVE_SETEUID	511	void sig_term (ev::sig &w, int revents);
		512
		513	sig_handlers ()
		514	{
		515	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		516	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		517	}
		518	} sig_handlers;
		519
		520	void
		521	sig_handlers::sig_term (ev::sig &w, int revents)
		522	{
		523	rxvt_emergency_cleanup ();
		524	w.stop ();
		525	kill (getpid (), w.signum);
		526	}
		527
		528	static void
		529	rxvt_get_ttymode (struct termios *tio)
		530	{
		531	if (tcgetattr (STDIN_FILENO, tio) < 0)
		532	memset (tio, 0, sizeof (struct termios));
		533
		534	for (int i = 0; i < NCCS; i++)
		535	tio->c_cc[i] = VDISABLE;
		536
		537	tio->c_cc[VINTR] = CINTR;
		538	tio->c_cc[VQUIT] = CQUIT;
		539	tio->c_cc[VERASE] = CERASE;
		540	#ifdef VERASE2
		541	tio->c_cc[VERASE2] = CERASE2;
		542	#endif
		543	tio->c_cc[VKILL] = CKILL;
		544	tio->c_cc[VEOF] = CEOF;
		545	tio->c_cc[VSTART] = CSTART;
		546	tio->c_cc[VSTOP] = CSTOP;
		547	tio->c_cc[VSUSP] = CSUSP;
		548	# ifdef VDSUSP
		549	tio->c_cc[VDSUSP] = CDSUSP;
310	# endif	550	# endif
311	# ifdef HAVE_SETEUID	551	# ifdef VREPRINT
312	switch (mode) {	552	tio->c_cc[VREPRINT] = CRPRNT;
313	case IGNORE:
314	/*
315	* change effective uid/gid - not real uid/gid - so we can switch
316	* back to root later, as required
317	*/
318	seteuid(getuid());
319	setegid(getgid());
320	break;
321	case SAVE:
322	R->euid = geteuid();
323	R->egid = getegid();
324	break;
325	case RESTORE:
326	seteuid(R->euid);
327	setegid(R->egid);
328	break;
329	}
330	# else
331	switch (mode) {
332	case IGNORE:
333	setuid(getuid());
334	setgid(getgid());
335	/* FALLTHROUGH */
336	case SAVE:
337	/* FALLTHROUGH */
338	case RESTORE:
339	break;
340	}
341	# endif	553	# endif
342	#endif	554	# ifdef VDISCRD
343	}	555	tio->c_cc[VDISCRD] = CFLUSH;
344
345	#ifdef UTMP_SUPPORT
346	/* EXTPROTO */
347	void
348	rxvt_privileged_utmp(pR_ char action)
349	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')
355	return;
356
357	rxvt_privileges(aR_ RESTORE);
358	if (action == SAVE) {
359	R->next_utmp_action = RESTORE;
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
361	} else { /* action == RESTORE */
362	R->next_utmp_action = IGNORE;
363	rxvt_cleanutent(aR);
364	}
365	rxvt_privileges(aR_ IGNORE);
366	}
367	#endif
368
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void
372	rxvt_privileged_ttydev(pR_ char action)
373	{
374	D_MAIN((stderr,
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
376	action, R->next_tty_action, getpid()));
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif	556	# endif
391	{	557	# ifdef VWERSE
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	558	tio->c_cc[VWERSE] = CWERASE;
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif	559	# endif
397	}	560	# ifdef VLNEXT
398	} else { /* action == RESTORE */	561	tio->c_cc[VLNEXT] = CLNEXT;
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif	562	# endif
408	}	563	# ifdef VSTATUS
409		564	tio->c_cc[VSTATUS] = CSTATUS;
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif	565	# endif
420	}	566
		567	# if VMIN != VEOF
		568	tio->c_cc[VMIN] = 1;
421	#endif	569	# endif
		570	# if VTIME != VEOL
		571	tio->c_cc[VTIME] = 0;
		572	# endif
		573
		574	/* input modes */
		575	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		576	# ifdef IMAXBEL
		577	| IMAXBEL
		578	# endif
		579	| IXON);
		580
		581	/* output modes */
		582	tio->c_oflag = (OPOST | ONLCR);
		583
		584	/* control modes */
		585	tio->c_cflag = (CS8 | CREAD);
		586
		587	/* local modes */
		588	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		589	# if defined (ECHOCTL) && defined (ECHOKE)
		590	| ECHOCTL | ECHOKE
		591	# endif
		592	| ECHOE | ECHOK);
		593	}
		594
		595	char **rxvt_environ; // startup environment
		596
		597	void
		598	rxvt_init ()
		599	{
		600	assert (("fontMask must not overlap other RS masks",
		601	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		602
		603	rxvt_get_ttymode (&rxvt_term::def_tio);
		604
		605	// get rid of stdin/stdout as we don't need them, to free resources
		606	dup2 (STDERR_FILENO, STDIN_FILENO);
		607	dup2 (STDERR_FILENO, STDOUT_FILENO);
		608
		609	if (!ev_default_loop ())
		610	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		611
		612	rxvt_environ = environ;
		613
		614	signal (SIGHUP, SIG_IGN);
		615	signal (SIGPIPE, SIG_IGN);
		616
		617	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		618	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		619
		620	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		621	// TODO: handle this with exceptions and tolerate the memory loss
		622	XSetIOErrorHandler (rxvt_xioerror_handler);
		623
		624	XrmInitialize ();
		625
		626	#if HAVE_PIXBUF
		627	g_type_init ();
		628	#endif
		629	}
422		630
423	/*----------------------------------------------------------------------*/	631	/*----------------------------------------------------------------------*/
424	/*	632	/*
425	* window size/position calculcations for XSizeHint and other storage.	633	* window size/position calculations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	634	* if width/height are non-zero then override calculated width/height
427	*/	635	*/
428	/* EXTPROTO */
429	void	636	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	637	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431	{	638	{
432	short recalc_x, recalc_y;	639	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	640	int x, y, flags;
434	unsigned int w, h;	641	unsigned int w, h;
435	unsigned int max_width, max_height;	642	unsigned int max_width, max_height;
436		643
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439	R->szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	644	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	645	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	646	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		647
444	recalc_x = recalc_y = 0;	648	recalc_x = recalc_y = 0;
445	flags = 0;	649	flags = 0;
		650
446	if (!R->parsed_geometry) {	651	if (!parsed_geometry)
		652	{
447	R->parsed_geometry = 1;	653	parsed_geometry = 1;
		654
448	if (R->rs[Rs_geometry])	655	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	656	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		657
450	if (flags & WidthValue) {	658	if (flags & WidthValue)
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	659	{
		660	if (!w)
		661	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		662
		663	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
452	R->szHint.flags |= USSize;	664	szHint.flags |= USSize;
453	}	665	}
		666
454	if (flags & HeightValue) {	667	if (flags & HeightValue)
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	668	{
		669	if (!h)
		670	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		671
		672	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
456	R->szHint.flags |= USSize;	673	szHint.flags |= USSize;
457	}	674	}
		675
458	if (flags & XValue) {	676	if (flags & XValue)
		677	{
459	R->szHint.x = x;	678	szHint.x = x;
460	R->szHint.flags |= USPosition;	679	szHint.flags |= USPosition;
		680
461	if (flags & XNegative) {	681	if (flags & XNegative)
		682	{
462	recalc_x = 1;	683	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	684	szHint.win_gravity = NorthEastGravity;
464	}	685	}
465	}	686	}
		687
466	if (flags & YValue) {	688	if (flags & YValue)
		689	{
467	R->szHint.y = y;	690	szHint.y = y;
468	R->szHint.flags |= USPosition;	691	szHint.flags |= USPosition;
		692
469	if (flags & YNegative) {	693	if (flags & YNegative)
		694	{
470	recalc_y = 1;	695	recalc_y = 1;
		696
471	if (R->szHint.win_gravity == NorthEastGravity)	697	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	698	szHint.win_gravity = SouthEastGravity;
473	else	699	else
474	R->szHint.win_gravity = SouthWestGravity;	700	szHint.win_gravity = SouthWestGravity;
475	}	701	}
476	}	702	}
477	}	703	}
		704
478	/* TODO: BOUNDS */	705	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	706	width = ncol * fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	707	height = nrow * fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	708	max_width = MAX_COLS * fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	709	max_height = MAX_ROWS * fheight;
483		710
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	711	szHint.base_width = szHint.base_height = 2 * int_bwidth;
485		712
486	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	713	window_vt_x = window_vt_y = int_bwidth;
488	if (scrollbar_visible(R)) {	714
		715	if (scrollBar.state)
		716	{
489	sb_w = scrollbar_TotalWidth();	717	int sb_w = scrollBar.total_width ();
490	R->szHint.base_width += sb_w;	718	szHint.base_width += sb_w;
		719
491	if (!(R->Options & Opt_scrollBar_right))	720	if (!option (Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	721	window_vt_x += sb_w;
493	}	722	}
494	if (menubar_visible(R)) {	723
495	mb_h = menuBar_TotalHeight();
496	R->szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;
498	}
499	R->szHint.width_inc = R->TermWin.fwidth;	724	szHint.width_inc = fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	725	szHint.height_inc = fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	726	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	727	szHint.min_height = szHint.base_height + szHint.height_inc;
503		728
504	if (width && width - R->szHint.base_width < max_width) {	729	if (newwidth && newwidth - szHint.base_width < max_width)
		730	{
505	R->szHint.width = width;	731	szHint.width = newwidth;
506	R->TermWin.width = width - R->szHint.base_width;	732	width = newwidth - szHint.base_width;
507	} else {	733	}
508	MIN_IT(R->TermWin.width, max_width);	734	else
		735	{
		736	min_it (width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	737	szHint.width = szHint.base_width + width;
510	}	738	}
		739
511	if (height && height - R->szHint.base_height < max_height) {	740	if (newheight && newheight - szHint.base_height < max_height)
		741	{
512	R->szHint.height = height;	742	szHint.height = newheight;
513	R->TermWin.height = height - R->szHint.base_height;	743	height = newheight - szHint.base_height;
514	} else {	744	}
515	MIN_IT(R->TermWin.height, max_height);	745	else
		746	{
		747	min_it (height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	748	szHint.height = szHint.base_height + height;
517	}	749	}
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;
520		750
521	if (recalc_x)	751	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	752	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	753
524	if (recalc_y)	754	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	755	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
527		756
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	757	ncol = width / fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	758	nrow = height / fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	759
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	760	// When the size of the vt window is not a multiple of the cell
532	R->szHint.height));	761	// size, i.e., when the wm does not honour our size hints, there are
533	return;	762	// extra areas not covered by the terminal screen. Such gaps, when a
		763	// bg pixmap is set, would have to be cleared manually to properly
		764	// refresh the background. We take the simpler route and shrink the
		765	// vt window so as to avoid creating gaps.
		766	vt_width = ncol * fwidth;
		767	vt_height = nrow * fheight;
534	}	768	}
535		769
536	/*----------------------------------------------------------------------*/	770	/*----------------------------------------------------------------------*/
537	/*	771	/*
538	* Tell the teletype handler what size the window is.	772	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	773	* Called after a window size change.
540	*/	774	*/
541	/* EXTPROTO */
542	void	775	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	776	rxvt_term::tt_winch ()
544	{	777	{
		778	if (pty->pty < 0)
		779	return;
		780
545	struct winsize ws;	781	struct winsize ws;
546		782
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	783	ws.ws_col = ncol;
550	ws.ws_row = row;	784	ws.ws_row = nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	785	ws.ws_xpixel = vt_width;
552	#ifndef DEBUG_SIZE	786	ws.ws_ypixel = vt_height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	787	ioctl (pty->pty, TIOCSWINSZ, &ws);
		788
		789	#if 0
		790	// TIOCSWINSZ is supposed to do this automatically and correctly
		791	if (cmd_pid) /* force through to the command */
		792	kill (-cmd_pid, SIGWINCH);
		793	#endif
		794	}
		795
		796	/*----------------------------------------------------------------------*/
		797	/* load and set the various fonts */
		798	bool
		799	rxvt_term::set_fonts ()
		800	{
		801	rxvt_fontset *fs = new rxvt_fontset (this);
		802	rxvt_fontprop prop;
		803
		804	if (!fs
		805	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		806	|| !fs->realize_font (1))
		807	{
		808	delete fs;
		809	return false;
		810	}
		811
		812	#if ENABLE_STYLES
		813	for (int i = RS_styleCount; --i; )
		814	if (fontset[i] != fontset[0])
		815	delete fontset[i];
		816	#endif
		817
		818	delete fontset[0];
		819	fontset[0] = fs;
		820
		821	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		822	prop.width += letterSpace;
		823
		824	fs->set_prop (prop, false);
		825
		826	fwidth = prop.width;
		827	fheight = prop.height + lineSpace;
		828	fbase = prop.ascent;
		829
		830	for (int style = 1; style < 4; style++)
		831	{
		832	#if ENABLE_STYLES
		833	const char *res = rs[Rs_font + style];
		834
		835	if (res && !*res)
		836	fontset[style] = fontset[0];
		837	else
		838	{
		839	fontset[style] = fs = new rxvt_fontset (this);
		840	rxvt_fontprop prop2 = prop;
		841
		842	if (res)
		843	{
		844	fs->populate (res);
		845	fs->set_prop (prop2, false);
		846	}
		847	else
		848	{
		849	fs->populate (fontset[0]->fontdesc);
		850
		851	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		852	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		853
		854	fs->set_prop (prop2, true);
		855	}
		856
		857	}
554	#else	858	#else
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	859	fontset[style] = fontset[0];
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */
560	kill(pid, SIGWINCH);
561	# endif	860	#endif
562	#endif	861	}
563	}
564		862
565	/*----------------------------------------------------------------------*/	863	if (parent)
566	/* rxvt_change_font() - Switch to a new font */	864	{
567	/*	865	resize_all_windows (0, 0, 0);
568	* init = 1 - initialize	866	scr_remap_chars ();
569	*	867	scr_touch (true);
570	* fontname == FONT_UP - switch to bigger font	868	}
571	* fontname == FONT_DN - switch to smaller font
572	*/
573	/* EXTPROTO */
574	void
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{
577	}
578		869
579	/* INTPROTO */	870	return true;
		871	}
		872
580	void	873	void
581	rxvt_font_up_down(pR_ int n, int direction)	874	rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	875	{
		876	XChangeProperty (dpy, parent,
		877	prop, XA_STRING, 8, PropModeReplace,
		878	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		879	}
		880
		881	void
		882	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		883	{
		884	XTextProperty ct;
		885
		886	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		887	{
		888	XSetTextProperty (dpy, parent, &ct, prop);
		889	XFree (ct.value);
		890	}
		891	}
		892
		893	void
		894	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		895	{
		896	wchar_t *ws = rxvt_mbstowcs (str, len);
		897	char *s = rxvt_wcstoutf8 (ws);
		898
		899	XChangeProperty (dpy, parent,
		900	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		901	(const unsigned char *)s, strlen (s));
		902
		903	free (s);
		904	free (ws);
583	}	905	}
584		906
585	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	909	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	910	void
590	rxvt_set_title(pR_ const char *str)	911	rxvt_term::set_title (const char *str)
591	{	912	{
592	#ifndef SMART_WINDOW_TITLE	913	set_mbstring_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	914	#if ENABLE_EWMH
594	#else	915	set_utf8_property (xa[XA_NET_WM_NAME], str);
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif	916	#endif
604	}	917	}
605		918
606	/* EXTPROTO */
607	void	919	void
608	rxvt_set_iconName(pR_ const char *str)	920	rxvt_term::set_icon_name (const char *str)
609	{	921	{
610	#ifndef SMART_WINDOW_TITLE	922	set_mbstring_property (XA_WM_ICON_NAME, str);
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	923	#if ENABLE_EWMH
612	#else	924	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	925	#endif
622	}	926	}
623		927
		928	void
		929	rxvt_term::set_window_color (int idx, const char *color)
		930	{
624	#ifdef XTERM_COLOR_CHANGE	931	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;	932	rxvt_color xcol;
630	int i;
631		933
632	if (color == NULL || *color == '\0')	934	if (color == NULL || *color == '\0')
633	return;	935	return;
634		936
		937	color = strdup (color);
		938	allocated.push_back ((void *)color);
		939	rs[Rs_color + idx] = color;
		940
635	/* handle color aliases */	941	/* handle color aliases */
636	if (isdigit(*color)) {	942	if (isdigit (*color))
		943	{
637	i = atoi(color);	944	int i = atoi (color);
638	if (i >= 8 && i <= 15) { /* bright colors */	945
639	i -= 8;	946	if (i >= 8 && i <= 15)
640	# ifndef NO_BRIGHTCOLOR	947	{
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	948	/* bright colors */
642	SET_PIXCOLOR(R, idx);	949	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
643	goto Done;	950	goto done;
644	# endif
645	}	951	}
646	if (i >= 0 && i <= 7) { /* normal colors */	952
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];	953	if (i >= 0 && i <= 7)
648	SET_PIXCOLOR(R, idx);	954	{
		955	/* normal colors */
		956	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
649	goto Done;	957	goto done;
650	}	958	}
651	}	959	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655		960
656	/*	961	set_color (xcol, color);
		962
		963	/*
657	* FIXME: should free colors here, but no idea how to do it so instead,	964	* FIXME: should free colors here, but no idea how to do it so instead,
658	* so just keep gobbling up the colormap	965	* so just keep gobbling up the colormap
659	*/	966	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670		967
671	R->PixColors[idx] = xcol;	968	pix_colors_focused[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673		969
674	/* XSetWindowAttributes attr; */	970	done:
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */	971	/*TODO: handle Color_BD, scrollbar background, etc. */
682		972
683	rxvt_set_colorfgbg(aR);	973	update_fade_color (idx);
684	rxvt_recolour_cursor(aR);	974	recolour_cursor ();
685	/* the only reasonable way to enforce a clean update */	975	scr_recolour ();
686	rxvt_scr_poweron(aR);	976	#endif /* XTERM_COLOR_CHANGE */
687	}	977	}
688		978
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */
692
693	/* EXTPROTO */
694	void	979	void
695	rxvt_recolour_cursor(pR)	980	rxvt_term::recolour_cursor ()
696	{	981	{
697	rxvt_color xcol[2];	982	XColor fg, bg;
698		983
699	#if TODO	984	(ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	985	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	986	: pix_colors_focused[Color_fg]).get (fg);
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	987
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	988	(ISSET_PIXCOLOR (Color_pointer_bg)
704	#endif	989	? pix_colors_focused[Color_pointer_bg]
		990	: pix_colors_focused[Color_bg]).get (bg);
		991
		992	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
705	}	993	}
706		994
707	/*----------------------------------------------------------------------*/	995	/*----------------------------------------------------------------------*/
708	/*	996	/*
709	* find if fg/bg matches any of the normal (low-intensity) colors	997	* find if fg/bg matches any of the normal (low-intensity) colors
710	*/	998	*/
711	/* INTPROTO */	999	char *
712	void
713	rxvt_set_colorfgbg(pR)	1000	rxvt_term::get_colorfgbg ()
714	{	1001	{
715	unsigned int i;	1002	unsigned int i;
716	const char *xpmb = "\0";	1003	const char *xpmb = "";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1004	char fstr[] = "default";
		1005	char bstr[] = "default";
		1006	char *env_colorfgbg;
718		1007
719	R->env_colorfgbg =
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
721	STRCPY(fstr, "default");
722	STRCPY(bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	1008	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1009	if (pix_colors[Color_fg] == pix_colors[i])
		1010	{
725	sprintf(fstr, "%d", (i - Color_Black));	1011	sprintf (fstr, "%d", i - Color_Black);
726	break;	1012	break;
727	}	1013	}
		1014
728	for (i = Color_Black; i <= Color_White; i++)	1015	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1016	if (pix_colors[Color_bg] == pix_colors[i])
		1017	{
730	sprintf(bstr, "%d", (i - Color_Black));	1018	sprintf (bstr, "%d", i - Color_Black);
731	#ifdef XPM_BACKGROUND	1019	#if BG_IMAGE_FROM_FILE
732	xpmb = "default;";	1020	xpmb = "default;";
733	#endif	1021	#endif
734	break;	1022	break;
735	}	1023	}
		1024
		1025	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1026	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);	1027	return env_colorfgbg;
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	1028	}
749		1029
750	/*----------------------------------------------------------------------*/	1030	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		1031
756	/* EXTPROTO */	1032	bool
757	int	1033	rxvt_term::set_color (rxvt_color &color, const char *name)
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759	{	1034	{
760	screen_in_out->set(aR_ colour);	1035	if (color.set (this, name))
761
762	if (!screen_in_out->set(aR_ colour)) {
763	rxvt_print_error("can't allocate colour: %s", colour);
764	return false;
765	}
766
767	return true;	1036	return true;
		1037
		1038	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1039	return false;
		1040	}
		1041
		1042	void
		1043	rxvt_term::alias_color (int dst, int src)
		1044	{
		1045	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
768	}	1046	}
769		1047
770	/* -------------------------------------------------------------------- *	1048	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	1049	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	1050	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	1051	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1052	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776	int ignoreparent)
777	{	1053	{
778	int fix_screen;	1054	int fix_screen;
		1055	int old_width = szHint.width;
		1056	int old_height = szHint.height;
779		1057
		1058	window_calc (newwidth, newheight);
		1059
		1060	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1061
		1062	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1063	if (set_hint)
		1064	{
		1065	szHint.flags &= ~(PBaseSize | PResizeInc);
		1066	XSetWMNormalHints (dpy, parent, &szHint);
		1067	szHint.flags |= PBaseSize | PResizeInc;
		1068	}
		1069
		1070	if (!ignoreparent)
		1071	{
780	#ifdef SMART_RESIZE	1072	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	1073	/*
782	#endif
783
784	rxvt_window_calc(aR_ width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786	if (!ignoreparent) {
787	#ifdef SMART_RESIZE
788	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1074	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	1075	* reposition window on resize depending on placement on screen
791	*/	1076	*/
792	int x, y, x1, y1;	1077	int x, y, x1, y1;
793	int dx, dy;	1078	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1079	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	1080	Window unused_cr;
796		1081
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1082	XTranslateCoordinates (dpy, parent, display->root,
798	0, 0, &x, &y, &unused_cr);	1083	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1084	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1085	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	1086	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	1087	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	1088	* our position for handles and decorations. Counter it
804	*/	1089	*/
805	if (x1 != x || y1 != y) {	1090	if (x1 != x || y1 != y)
		1091	{
806	x -= x1;	1092	x -= x1;
807	y -= y1;	1093	y -= y1;
808	}	1094	}
809		1095
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1096	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1097	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	1098	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	1099	dy = old_height - szHint.height;
814		1100
815	/* Check position of the center of the window */	1101	/* Check position of the center of the window */
816	if (x < x1) /* left half */	1102	if (x < x1) /* left half */
817	dx = 0;	1103	dx = 0;
818	else if (x == x1) /* exact center */	1104	else if (x == x1) /* exact center */
819	dx /= 2;	1105	dx /= 2;
820	if (y < y1) /* top half */	1106	if (y < y1) /* top half */
821	dy = 0;	1107	dy = 0;
822	else if (y == y1) /* exact center */	1108	else if (y == y1) /* exact center */
823	dy /= 2;	1109	dy /= 2;
824		1110
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1111	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	1112	szHint.width, szHint.height);
827	#else	1113	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1114	XResizeWindow (dpy, parent, szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	1115	#endif
831	}	1116	}
832		1117
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	1118	if (set_hint)
834	|| R->TermWin.nrow != R->prev_nrow);	1119	XSetWMNormalHints (dpy, parent, &szHint);
		1120
		1121	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1122
835	if (fix_screen || width != R->old_width || height != R->old_height) {	1123	if (fix_screen || newwidth != old_width || newheight != old_height)
836	if (scrollbar_visible(R)) {
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
838	0, scrollbar_TotalWidth(), R->szHint.height);
839	rxvt_Resize_scrollBar(aR);
840	}
841	if (menubar_visible(R))
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845	R->window_vt_y, TermWin_TotalWidth(),
846	TermWin_TotalHeight());
847	#ifdef RXVT_GRAPHICS
848	if (R->old_height)
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850	R->old_height - R->szHint.base_height);
851	#endif
852	rxvt_scr_clear(aR);
853	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);
855	#endif
856	}	1124	{
		1125	if (scrollBar.state)
		1126	scrollBar.resize ();
857		1127
		1128	XMoveResizeWindow (dpy, vt,
		1129	window_vt_x, window_vt_y,
		1130	vt_width, vt_height);
		1131
		1132	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1133
		1134	#ifdef HAVE_BG_PIXMAP
		1135	if (bg_window_size_sensitive ())
		1136	update_background ();
		1137	#endif
		1138	}
		1139
858	if (fix_screen || R->old_height == 0) {	1140	if (fix_screen || old_height == 0)
859	int curr_screen = -1;	1141	scr_reset ();
860	uint16_t old_ncol = R->prev_ncol;
861		1142
862	/* scr_reset only works on the primary screen */
863	if (R->old_height) /* this is not the first time through */
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
865	rxvt_scr_reset(aR);
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}
870	}
871
872	R->old_width = R->szHint.width;
873	R->old_height = R->szHint.height;
874
875	#ifdef USE_XIM	1143	#if USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1144	im_set_position ();
877	#endif	1145	#endif
878	}	1146	}
879		1147
880	/*	1148	/*
881	* Set the width/height of the vt window in characters. Units are pixels.	1149	* Set the width/height of the vt window in characters. Units are pixels.
882	* good for toggling 80/132 columns	1150	* good for toggling 80/132 columns
883	*/	1151	*/
884	/* EXTPROTO */
885	void	1152	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1153	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887	{	1154	{
888	XWindowAttributes wattr;	1155	XWindowAttributes wattr;
889		1156
890	if (width == 0 || height == 0) {	1157	if (newwidth == 0 || newheight == 0)
		1158	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1159	XGetWindowAttributes (dpy, display->root, &wattr);
		1160
892	if (width == 0)	1161	if (newwidth == 0)
893	width = wattr.width - R->szHint.base_width;	1162	newwidth = wattr.width - szHint.base_width;
894	if (height == 0)	1163	if (newheight == 0)
895	height = wattr.height - R->szHint.base_height;	1164	newheight = wattr.height - szHint.base_height;
		1165	}
		1166
		1167	if (newwidth != vt_width || newheight != vt_height)
896	}	1168	{
897	if (width != R->TermWin.width || height != R->TermWin.height) {
898	width += R->szHint.base_width;	1169	newwidth += szHint.base_width;
899	height += R->szHint.base_height;	1170	newheight += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1171	resize_all_windows (newwidth, newheight, 0);
901	}	1172	}
902	}	1173	}
903		1174
904	/* -------------------------------------------------------------------- *	1175	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1176	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1177	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1178	#if USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1179
918	/* INTPROTO */
919	void	1180	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1181	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1182	{
922	*fg = R->PixColors[Color_fg];	1183	fg = pix_colors [Color_fg];
923	*bg = R->PixColors[Color_bg];	1184	bg = pix_colors [Color_bg];
		1185	}
		1186
		1187	void
		1188	rxvt_term::im_set_size (XRectangle &size)
		1189	{
		1190	// the int_bwidth terms make no sense to me
		1191	size.x = int_bwidth;
		1192	size.y = int_bwidth;
		1193	size.width = Width2Pixel (ncol) + int_bwidth;
		1194	size.height = Height2Pixel (nrow) + int_bwidth;
		1195	}
		1196
		1197	void
		1198	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1199	XRectangle &status_rect,
		1200	const XRectangle &needed_rect)
		1201	{
		1202	preedit_rect.x = needed_rect.width;
		1203	preedit_rect.y = 0;
		1204	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1205	preedit_rect.height = fheight;
		1206
		1207	status_rect.x = 0;
		1208	status_rect.y = 0;
		1209	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1210	status_rect.height = fheight;
924	}	1211	}
925		1212
926	/* Checking whether input method is running. */	1213	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1214	bool
929	rxvt_IMisRunning(pR)	1215	rxvt_term::im_is_running ()
930	{	1216	{
931	char *p;	1217	Atom atom;
932	Atom atom;	1218	Window win;
933	Window win;
934	char server[IMBUFSIZ];	1219	char server[IMBUFSIZ];
935		1220
936	/* get current locale modifier */	1221	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1222	if (char *p = XSetLocaleModifiers (0))
		1223	{
938	STRCPY(server, "@server=");	1224	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1225	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1226
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1227	if (p = strchr (server + 1, '@')) /* first one only */
941	*p = '\0';	1228	*p = '\0';
942		1229
943	atom = XInternAtom(R->Xdisplay, server, False);	1230	atom = XInternAtom (dpy, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1231	win = XGetSelectionOwner (dpy, atom);
		1232
945	if (win != None)	1233	if (win != None)
946	return True;	1234	return true;
947	}	1235	}
		1236
948	return False;	1237	return false;
949	}	1238	}
950		1239
951	/* EXTPROTO */
952	void	1240	void
953	rxvt_IMSendSpot(pR)	1241	rxvt_term::im_send_spot ()
954	{	1242	{
955	XPoint spot;	1243	XPoint nspot;
956	XVaNestedList preedit_attr;	1244	XVaNestedList preedit_attr;
957		1245
958	if (R->Input_Context == NULL	1246	if (!Input_Context
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1247	|| !focus
960	|| !(R->event_type == KeyPress	1248	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1249	return;
967		1250
968	rxvt_setPosition(aR_ & spot);	1251	im_set_position (nspot);
969		1252
		1253	if (nspot.x == spot.x && nspot.y == spot.y)
		1254	return;
		1255
		1256	spot = nspot;
		1257
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1258	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1259	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1260	XFree (preedit_attr);
973	}	1261	}
974		1262
975	/* EXTPROTO */
976	void	1263	void
977	rxvt_setTermFontSet(pR_ int idx)	1264	rxvt_term::im_destroy ()
978	{	1265	{
979	char *string;	1266	if (input_method)
980	long length;	1267	{
981	int success = 0;	1268	if (Input_Context && input_method->xim)
		1269	XDestroyIC (Input_Context);
982		1270
983	if (idx < 0 || idx >= MAX_NFONTS)	1271	display->put_xim (input_method);
984	return;	1272	input_method = 0;
985	}	1273	}
986		1274
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;	1275	Input_Context = 0;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}	1276	}
1029		1277
1030	/*	1278	#ifdef ENABLE_XIM_ONTHESPOT
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049		1279
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1280	static void
1051	if (R->Input_Context)	1281	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052	return;	1282	{
		1283	((rxvt_term *)client_data)->make_current ();
		1284	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1285	}
1053		1286
1054	found = had_im = 0;	1287	static void
1055	p = R->rs[Rs_inputMethod];	1288	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056	if (p && *p) {	1289	{
1057	had_im = 1;	1290	((rxvt_term *)client_data)->make_current ();
1058	s = rxvt_splitcommastring(p);	1291	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059	for (i = 0; s[i]; i++) {	1292	}
1060	if (*s[i]) {	1293
1061	STRCPY(buf, "@im=");	1294	static void
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1295	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1296	{
1064	&& (rxvt_IM_get_IC(aR) == True)) {	1297	rxvt_term *term = (rxvt_term *)client_data;
1065	found = 1;	1298	XIMText *text = call_data->text;
1066	break;	1299
1067	}	1300	term->make_current ();
1068	}	1301
		1302	if (text)
		1303	{
		1304	wchar_t *str;
		1305
		1306	if (!text->encoding_is_wchar && text->string.multi_byte)
		1307	{
		1308	// of course, X makes it ugly again
		1309	if (term->rs[Rs_imLocale])
		1310	SET_LOCALE (term->rs[Rs_imLocale]);
		1311
		1312	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1313	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1314
		1315	if (term->rs[Rs_imLocale])
		1316	SET_LOCALE (term->locale);
1069	}	1317	}
1070	for (i = 0; s[i]; i++)	1318	else
1071	free(s[i]);	1319	str = text->string.wide_char;
1072	free(s);
1073	}
1074	if (found)
1075	return;
1076		1320
1077	/* try with XMODIFIERS env. var. */	1321	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1322	DT_INT, call_data->caret,
1079	rxvt_IM_get_IC(aR);	1323	DT_INT, call_data->chg_first,
1080	return;	1324	DT_INT, call_data->chg_length,
		1325	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1326	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1327	DT_END));
1081	}	1328	}
1082		1329	else
1083	/* try with no modifiers base IF the user didn't specify an IM */	1330	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1331	DT_INT, call_data->caret,
1085	&& rxvt_IM_get_IC(aR) == True)	1332	DT_INT, call_data->chg_first,
1086	return;	1333	DT_INT, call_data->chg_length,
		1334	DT_END));
1087	}	1335	}
		1336
		1337	#if 0
		1338	static void
		1339	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1340	{
		1341	((rxvt_term *)client_data)->make_current ();
		1342	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1343	DT_INT, call_data->position,
		1344	DT_INT, call_data->direction,
		1345	DT_INT, call_data->style,
		1346	DT_END));
		1347	}
		1348	#endif
		1349
		1350	#endif
1088		1351
1089	/*	1352	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1353	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1354	* open a suitable preedit type
1092	*/	1355	*/
1093	/* INTPROTO */
1094	Bool	1356	bool
1095	rxvt_IM_get_IC(pR)	1357	rxvt_term::im_get_ic (const char *modifiers)
1096	{	1358	{
1097	int i, j, found;	1359	int i, j, found;
1098	XIM xim;	1360	XIM xim;
1099	XPoint spot;	1361	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1362	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1363	unsigned long fg, bg;
1102	const char *p;	1364	const char *p;
1103	char **s;	1365	char **s;
1104	XIMStyles *xim_styles;	1366	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;
1106	XIMCallback ximcallback;
1107		1367
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1368	set_environ (envv);
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1369
1110	if (xim == NULL)	1370	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111	return False;	1371	return false;
1112		1372
		1373	input_method = display->get_xim (locale, modifiers);
		1374	if (input_method == NULL)
		1375	return false;
		1376
		1377	xim = input_method->xim;
		1378	spot.x = spot.y = -1;
		1379
1113	xim_styles = NULL;	1380	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1381	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1382	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1383	{
		1384	im_destroy ();
1117	return False;	1385	return false;
		1386	}
		1387
		1388	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1389
		1390	for (int pi = 0; pi < 2; pi++)
1118	}	1391	{
		1392	p = pet[pi];
1119		1393
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1394	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1395	continue;
1122	s = rxvt_splitcommastring(p);	1396
		1397	s = rxvt_strsplit (',', p);
		1398
1123	for (i = found = 0; !found && s[i]; i++) {	1399	for (i = found = 0; !found && s[i]; i++)
		1400	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1401	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1402	input_style = XIMPreeditPosition | XIMStatusNothing;
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1403	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1404	input_style = XIMPreeditArea | XIMStatusArea;
1128	else if (!STRCMP(s[i], "Root"))	1405	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1406	input_style = XIMPreeditNothing | XIMStatusNothing;
		1407	else if (!strcmp (s[i], "None"))
		1408	input_style = XIMPreeditNone | XIMStatusNone;
		1409	#ifdef ENABLE_XIM_ONTHESPOT
		1410	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1411	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1412	#endif
		1413	else
		1414	input_style = XIMPreeditNothing | XIMStatusNothing;
1130		1415
1131	for (j = 0; j < xim_styles->count_styles; j++)	1416	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1417	if (input_style == xim_styles->supported_styles[j])
		1418	{
		1419	rxvt_free_strsplit (s);
		1420
1133	found = 1;	1421	found = 1;
		1422	goto foundpet;
		1423	}
		1424
		1425	}
		1426
		1427	rxvt_free_strsplit (s);
		1428	}
		1429
		1430	foundpet:
		1431
		1432	XFree (xim_styles);
		1433
		1434	if (!found)
		1435	{
		1436	im_destroy ();
		1437	return false;
		1438	}
		1439
		1440	XFontSet fs = 0;
		1441	XVaNestedList preedit_attr = 0, status_attr = 0;
		1442
		1443	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1444	{
		1445	// fake us a font-set, please
		1446	char **missing_charset_list;
		1447	int missing_charset_count;
		1448	char *def_string;
		1449	char pat[512];
		1450
		1451	sprintf (pat,
		1452	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1453	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1454	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1455	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1456	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1457	"*",
		1458	fheight,
		1459	fheight + 1, fheight - 1,
		1460	fheight - 2, fheight + 2);
		1461
		1462	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1463	&missing_charset_list, &missing_charset_count, &def_string);
		1464
		1465	if (missing_charset_list)
		1466	XFreeStringList (missing_charset_list);
		1467
		1468	if (!fs)
		1469	{
		1470	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1471	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1472	}
		1473	}
		1474
		1475	if (input_style & XIMPreeditPosition)
		1476	{
		1477	im_set_size (rect);
		1478	im_set_position (spot);
		1479	im_set_color (fg, bg);
		1480
		1481	preedit_attr = XVaCreateNestedList (0,
		1482	XNForeground, fg,
		1483	XNBackground, bg,
		1484	XNArea, &rect,
		1485	XNSpotLocation, &spot,
		1486	XNFontSet, fs,
		1487	NULL);
		1488	}
		1489	else if (input_style & XIMPreeditArea)
		1490	{
		1491	im_set_color (fg, bg);
		1492
		1493	/*
		1494	* The necessary width of preedit area is unknown
		1495	* until create input context.
		1496	*/
		1497	needed_rect.width = 0;
		1498	im_set_preedit_area (rect, status_rect, needed_rect);
		1499
		1500	preedit_attr = XVaCreateNestedList (0,
		1501	XNForeground, fg,
		1502	XNBackground, bg,
		1503	XNArea, &rect,
		1504	XNFontSet, fs,
		1505	NULL);
		1506	status_attr = XVaCreateNestedList (0,
		1507	XNForeground, fg,
		1508	XNBackground, bg,
		1509	XNArea, &status_rect,
		1510	XNFontSet, fs,
		1511	NULL);
		1512	}
		1513	#if ENABLE_XIM_ONTHESPOT
		1514	else if (input_style & XIMPreeditCallbacks)
		1515	{
		1516	XIMCallback xcb[4];
		1517
		1518	im_set_position (spot);
		1519
		1520	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1521	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1522	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1523	# if 0
		1524	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1525	# endif
		1526
		1527	preedit_attr = XVaCreateNestedList (0,
		1528	XNSpotLocation, &spot,
		1529	XNPreeditStartCallback, &xcb[0],
		1530	XNPreeditDoneCallback , &xcb[1],
		1531	XNPreeditDrawCallback , &xcb[2],
		1532	# if 0
		1533	XNPreeditCaretCallback, &xcb[3],
		1534	# endif
		1535	NULL);
		1536	}
		1537	#endif
		1538
		1539	Input_Context = XCreateIC (xim,
		1540	XNInputStyle, input_style,
		1541	XNClientWindow, vt,
		1542	XNFocusWindow, parent,
		1543	preedit_attr ? XNPreeditAttributes : NULL,
		1544	preedit_attr,
		1545	status_attr ? XNStatusAttributes : NULL,
		1546	status_attr, NULL);
		1547
		1548	if (preedit_attr) XFree (preedit_attr);
		1549	if (status_attr) XFree (status_attr);
		1550	if (fs) XFreeFontSet (dpy, fs);
		1551
		1552	if (Input_Context == NULL)
		1553	{
		1554	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1555	im_destroy ();
		1556	return false;
		1557	}
		1558
		1559	#if 0
		1560	// unfortunately, only the focus window is used by XIM, hard to fix
		1561	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1562	vt_select_input ();
		1563	#endif
		1564
		1565	im_set_position ();
		1566
		1567	return true;
		1568	}
		1569
		1570	void
		1571	rxvt_term::im_cb ()
		1572	{
		1573	int i;
		1574	const char *p;
		1575	char **s;
		1576	char buf[IMBUFSIZ];
		1577
		1578	make_current ();
		1579
		1580	im_destroy ();
		1581
		1582	if (Input_Context)
		1583	return;
		1584
		1585	if (rs[Rs_imLocale])
		1586	SET_LOCALE (rs[Rs_imLocale]);
		1587
		1588	p = rs[Rs_inputMethod];
		1589	if (p && *p)
		1590	{
		1591	bool found = false;
		1592
		1593	s = rxvt_strsplit (',', p);
		1594
		1595	for (i = 0; s[i]; i++)
		1596	{
		1597	if (*s[i])
		1598	{
		1599	strcpy (buf, "@im=");
		1600	strncat (buf, s[i], IMBUFSIZ - 5);
		1601	if (im_get_ic (buf))
		1602	{
		1603	found = true;
1134	break;	1604	break;
		1605	}
1135	}	1606	}
1136	}	1607	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1608
		1609	rxvt_free_strsplit (s);
		1610
1142	if (!found) {	1611	if (found)
1143	XCloseIM(xim);	1612	goto done;
1144	return False;
1145	}	1613	}
1146		1614
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1615	/* try with XMODIFIERS env. var. */
		1616	if (im_get_ic (""))
		1617	goto done;
1148		1618
1149	/* XXX: not sure why we need this (as well as IC one below) */	1619	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1620	if (im_get_ic ("@im=none"))
		1621	goto done;
1151		1622
1152	preedit_attr = status_attr = NULL;	1623	done:
1153		1624	if (rs[Rs_imLocale])
1154	if (R->input_style & XIMPreeditPosition) {	1625	SET_LOCALE (locale);
1155	rxvt_setSize(aR_ & rect);
1156	rxvt_setPosition(aR_ & spot);
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1626	}
1206		1627
1207	/* EXTPROTO */
1208	void	1628	void
1209	rxvt_IMSetStatusPosition(pR)	1629	rxvt_term::im_set_position ()
1210	{	1630	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1631	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1632	XVaNestedList preedit_attr, status_attr;
1213		1633
1214	if (R->Input_Context == NULL	1634	if (!Input_Context
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1635	|| !focus
1216	|| !rxvt_IMisRunning(aR))	1636	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1637	|| !im_is_running ())
1217	return;	1638	return;
1218		1639
		1640	if (input_style & XIMPreeditPosition)
		1641	{
		1642	im_set_size (preedit_rect);
		1643	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1644
		1645	XSetICValues (Input_Context,
		1646	XNPreeditAttributes, preedit_attr, NULL);
		1647	}
		1648	else
		1649	{
1219	/* Getting the necessary width of preedit area */	1650	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1651	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1652	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1653	XFree (status_attr);
1223		1654
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1655	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1656	XFree (needed_rect);
1225		1657
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1658	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1659	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1660
1229	XSetICValues(R->Input_Context,	1661	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1662	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1663	XNStatusAttributes, status_attr,
		1664	NULL);
1232		1665
		1666	XFree (status_attr);
		1667	}
		1668
1233	XFree(preedit_attr);	1669	XFree (preedit_attr);
1234	XFree(status_attr);
1235	}	1670	}
1236	#endif /* USE_XIM */	1671	#endif /* USE_XIM */
1237		1672
1238	/*----------------------------------------------------------------------*/	1673	void
1239	rxvt_t rxvt_current_term;	1674	rxvt_term::get_window_origin (int &x, int &y)
		1675	{
		1676	Window cr;
		1677	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1678	}
		1679
		1680	#ifdef HAVE_BG_PIXMAP
		1681
		1682	void
		1683	rxvt_term::update_background ()
		1684	{
		1685	if (update_background_ev.is_active ())
		1686	return;
		1687
		1688	bg_invalidate ();
		1689
		1690	if (!mapped)
		1691	return;
		1692
		1693	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1694
		1695	if (to_wait <= 0.)
		1696	bg_render ();
		1697	else
		1698	update_background_ev.start (to_wait);
		1699	}
		1700
		1701	void
		1702	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1703	{
		1704	make_current ();
		1705
		1706	update_background_ev.stop ();
		1707	bg_render ();
		1708	refresh_check ();
		1709	}
		1710
		1711	#endif /* HAVE_BG_PIXMAP */
1240		1712
1241	/*----------------------- end-of-file (C source) -----------------------*/	1713	/*----------------------- end-of-file (C source) -----------------------*/

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