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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.7 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.395 by root, Sat Dec 13 11:58:23 2014 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.7 2003/11/26 10:42:34 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) 2003-2014 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 3 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
22	*	22	*
23	* This program is distributed in the hope that it will be useful,	23	* This program is distributed in the hope that it will be useful,
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of	24	* but WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
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
47	void *	78	void
48	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
49	{	80	{
50	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
51		84
52	MEMSET (p, 0, s);	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
53	return p;	148	return len;
54	}
55		149
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	150	}
		151	#endif
61		152
62	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	154	{
		155	#if HAVE_BG_PIXMAP
		156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		157	#endif
64	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		160	#endif
		161	#ifdef TEXT_BLINK
		162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#if USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	179	#endif
67	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	182	#endif
70	x_ev (this, &rxvt_term::x_cb)	183	#ifndef NO_BELL
71	{	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
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
73	}	212	}
74		213
75	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
76	{	215	{
77	delete PixColors;	216	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		217
80	/*----------------------------------------------------------------------*/	218	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		219
89	if (!R->init_vars () || !R->init (argc, argv))	220	#if ENABLE_STYLES
90	{	221	for (int i = RS_styleCount; --i; )
91	delete R;	222	if (fontset[i] != fontset[0])
92	return NULL;	223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	#if HAVE_IMG
		232	delete bg_img;
		233	#endif
		234
		235	if (display)
93	}	236	{
		237	selection_clear ();
		238	selection_clear (true);
94		239
		240	#if USE_XIM
		241	im_destroy ();
		242	#endif
		243	scrollBar.destroy ();
		244
		245	if (gc)
		246	XFreeGC (dpy, gc);
		247
		248	delete drawable;
		249
		250	// destroy all windows
		251	if (parent)
		252	XDestroyWindow (dpy, parent);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	if (rs[Rs_fade])
		260	pix_colors_unfocused [i].free (this);
		261	#endif
		262	}
		263
		264	clear ();
		265
		266	display->flush (); /* ideally .put should do this */
		267	displays.put (display);
		268	}
		269
		270	scr_release ();
		271
		272	/* clear all resources */
		273	for (int i = 0; i < allocated.size (); i++)
		274	free (allocated [i]);
		275
		276	free (selection.text);
		277	free (selection.clip_text);
		278	free (locale);
		279	free (v_buffer);
		280
		281	delete selection_req;
		282
		283	if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
		284	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
		285
		286	delete env;
		287
		288	delete envv;
		289	delete argv;
		290
		291	#ifdef KEYSYM_RESOURCE
		292	delete keyboard;
		293	#endif
		294	#ifndef NO_RESOURCES
		295	XrmDestroyDatabase (option_db);
		296	#endif
		297
		298	SET_R ((rxvt_term *)0);
		299	}
		300
		301	// child has exited, usually destroys
		302	void
		303	rxvt_term::child_cb (ev::child &w, int status)
		304	{
		305	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		306
		307	cmd_pid = 0;
		308
		309	if (!option (Opt_hold))
		310	destroy ();
		311	}
		312
		313	void
		314	rxvt_term::destroy ()
		315	{
		316	if (destroy_ev.is_active ())
95	return R;	317	return;
96	}
97		318
98	bool	319	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
99	rxvt_term::init (int argc, const char *const *argv)
100	{
101	dR;//TODO (scrollbar, setidle)
102		320
103	/*	321	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	322	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	323	#endif
120	#ifdef HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif
124		324
125	rxvt_Create_Windows (this, argc, argv);	325	if (display)
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}	326	{
		327	#if USE_XIM
		328	im_ev.stop (display);
157	#endif	329	#endif
158	XMapWindow (Xdisplay, TermWin.vt);	330	scrollbar_ev.stop (display);
159	XMapWindow (Xdisplay, TermWin.parent[0]);	331	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
160		332	rootwin_ev.stop (display);
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	flush ();
168
169	return true;
170	}
171
172	/* ------------------------------------------------------------------------- *
173	* SIGNAL HANDLING & EXIT HANDLER *
174	* ------------------------------------------------------------------------- */
175	/*
176	* Catch a SIGCHLD signal and exit if the direct child has died
177	*/
178	/* ARGSUSED */
179	/* EXTPROTO */
180	RETSIGTYPE
181	rxvt_Child_signal(int sig __attribute__ ((unused)))
182	{
183	dR;
184	int pid, save_errno = errno;
185
186	do {
187	errno = 0;
188	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
189
190	if (pid == R->cmd_pid)
191	exit(EXIT_SUCCESS);
192
193	errno = save_errno;
194	signal(SIGCHLD, rxvt_Child_signal);
195	}
196
197	/*
198	* Catch a fatal signal and tidy up before quitting
199	*/
200	/* EXTPROTO */
201	RETSIGTYPE
202	rxvt_Exit_signal(int sig)
203	{
204	signal(sig, SIG_DFL);
205	#ifdef DEBUG_CMD
206	rxvt_print_error("signal %d", sig);
207	#endif	333	#endif
208	rxvt_clean_exit();	334	termwin_ev.stop (display);
209	kill(getpid(), sig);	335	vt_ev.stop (display);
210	}
211
212	/* ARGSUSED */
213	/* INTPROTO */
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219
220	if (R->allowedxerror == -1) {
221	R->allowedxerror = event->error_code;
222	return 0; /* ignored anyway */
223	}	336	}
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",	337
225	event->request_code, event->minor_code,	338	flush_ev.stop ();
226	event->error_code);	339	pty_ev.stop ();
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	340	#ifdef CURSOR_BLINK
228	exit(EXIT_FAILURE);	341	cursor_blink_ev.stop ();
229	/* NOTREACHED */	342	#endif
		343	#ifdef TEXT_BLINK
		344	text_blink_ev.stop ();
		345	#endif
		346	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		347	cont_scroll_ev.stop ();
		348	#endif
		349	#ifdef SELECTION_SCROLLING
		350	sel_scroll_ev.stop ();
		351	#endif
		352	#ifdef POINTER_BLANK
		353	pointer_ev.stop ();
		354	#endif
		355
		356	destroy_ev.start ();
		357	}
		358
		359	void
		360	rxvt_term::destroy_cb (ev::idle &w, int revents)
		361	{
		362	make_current ();
		363
		364	delete this;
		365	}
		366
		367	void
		368	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		369	{
		370	if (!opt)
		371	return;
		372
		373	uint8_t mask = 1 << (opt & 7);
		374	uint8_t &val = options [opt >> 3];
		375
		376	val = val & ~mask | (set ? mask : 0);
230	}	377	}
231		378
232	/*----------------------------------------------------------------------*/	379	/*----------------------------------------------------------------------*/
233	/*	380	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	381	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* TODO: if debugging, this should free up any known resources if we can
236	*/	382	*/
237	/* EXTPROTO */	383	static XErrorHandler old_xerror_handler;
238	void
239	rxvt_clean_exit(void)
240	{
241	dR;
242		384
243	#ifdef DEBUG_SCREEN	385	static void
244	rxvt_scr_release(aR);	386	rxvt_emergency_cleanup ()
245	#endif	387	{
246	#ifndef NO_SETOWNER_TTYDEV	388	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
247	rxvt_privileged_ttydev(aR_ RESTORE);	389	(*t)->emergency_cleanup ();
248	#endif	390	}
249	#ifdef UTMP_SUPPORT	391
250	rxvt_privileged_utmp(aR_ RESTORE);	392	#if !ENABLE_MINIMAL
251	#endif	393	static void ecb_cold
252	#ifdef USE_XIM	394	print_x_error (Display *dpy, XErrorEvent *event)
253	if (R->Input_Context != NULL) {	395	{
254	XDestroyIC(R->Input_Context);	396	char buffer[BUFSIZ];
255	R->Input_Context = NULL;	397	char mesg[BUFSIZ];
		398	char number[32];
		399
		400	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		401
		402	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		403	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		404
		405	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		406	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		407	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		408
		409	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		410	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		411
		412	if (event->request_code >= 128)
256	}	413	{
257	#endif	414	#if 0
258	}	415	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		416	int nexts;
		417	char **exts = XListExtensions (dpy, &nexts);
259		418
260	/* ------------------------------------------------------------------------- *	419	while (nexts)
261	* MEMORY ALLOCATION WRAPPERS *	420	{
262	* ------------------------------------------------------------------------- */	421	char *extname = exts [nexts - 1];
263	/* EXTPROTO */	422	int major, first_event, first_error;
264	void *
265	rxvt_malloc(size_t size)
266	{
267	void *p;
268		423
269	p = malloc(size);	424	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
270	if (p)	425	{
271	return p;	426	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		427	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
272		428
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	429	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
274	rxvt_clean_exit();	430	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		431	rxvt_warn ("+ (which is %s)\n", buffer);
		432
		433	break;
		434	}
		435
		436	printf ("nextss %d %s\n", nexts, extname);//D
		437	--nexts;
		438	++exts;
		439	}
		440	#else
		441	int nexts = 0;
		442	char **exts = 0;
		443	#endif
		444
		445	if (!nexts)
		446	{
		447	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		448
		449	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		450	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		451
		452	#if 0
		453	sprintf (number, "RENDER.%d", event->minor_code);
		454	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		455	rxvt_warn ("+ (which is %s)\n", buffer);
		456	#endif
		457	}
		458
		459	XFreeExtensionList (exts);
		460	}
		461	else
		462	{
		463	sprintf (number, "%d", event->request_code);
		464	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		465	rxvt_warn ("+ (which is %s)\n", buffer);
		466	}
		467
		468	if (event->error_code == BadWindow
		469	|| event->error_code == BadPixmap
		470	|| event->error_code == BadCursor
		471	|| event->error_code == BadFont
		472	|| event->error_code == BadDrawable
		473	|| event->error_code == BadColor
		474	|| event->error_code == BadGC
		475	|| event->error_code == BadIDChoice
		476	|| event->error_code == BadValue
		477	|| event->error_code == BadAtom)
		478	{
		479	if (event->error_code == BadValue)
		480	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		481	else if (event->error_code == BadAtom)
		482	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		483	else
		484	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		485
		486	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		487	}
		488	}
		489	#endif
		490
		491	int ecb_cold
		492	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		493	{
		494	if (GET_R && GET_R->allowedxerror == -1)
		495	GET_R->allowedxerror = event->error_code;
		496	else
		497	{
		498	// GET_R is most likely not the terminal which caused the error,
		499	// so just output the error and continue
		500	#if ENABLE_MINIMAL
		501	old_xerror_handler (display, event);
		502	#else
		503	print_x_error (display, event);
		504	#endif
		505	}
		506
		507	return 0;
		508	}
		509
		510	int ecb_cold
		511	rxvt_xioerror_handler (Display *display)
		512	{
		513	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		514	DisplayString (display));
		515	rxvt_emergency_cleanup ();
275	exit(EXIT_FAILURE);	516	_exit (EXIT_FAILURE);
276	/* NOTREACHED */
277	}	517	}
278		518
279	/* EXTPROTO */	519	static struct sig_handlers
280	void *
281	rxvt_calloc(size_t number, size_t size)
282	{	520	{
283	void *p;	521	ev::sig sw_term, sw_int;
284		522
285	p = calloc(number, size);	523	/*
286	if (p)	524	* Catch a fatal signal and tidy up before quitting
287	return p;	525	*/
		526	void sig_term (ev::sig &w, int revents);
288		527
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	528	sig_handlers ()
290	rxvt_clean_exit();	529	{
291	exit(EXIT_FAILURE);	530	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
292	/* NOTREACHED */	531	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
293	}	532	}
		533	} sig_handlers;
294		534
295	/* EXTPROTO */
296	void *
297	rxvt_realloc(void *ptr, size_t size)
298	{
299	void *p;
300
301	if (ptr)
302	p = realloc(ptr, size);
303	else
304	p = malloc(size);
305	if (p)
306	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}
313
314	/* ------------------------------------------------------------------------- *
315	* PRIVILEGED OPERATIONS *
316	* ------------------------------------------------------------------------- */
317	/* take care of suid/sgid super-user (root) privileges */
318	/* INTPROTO */
319	void	535	void
320	rxvt_privileges(pR_ int mode)	536	sig_handlers::sig_term (ev::sig &w, int revents)
321	{	537	{
322	#if ! defined(__CYGWIN32__)	538	rxvt_emergency_cleanup ();
323	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	539	w.stop ();
324	/* setreuid() is the poor man's setuid(), seteuid() */	540	kill (getpid (), w.signum);
325	# define seteuid(a) setreuid(-1, (a))	541	}
326	# define setegid(a) setregid(-1, (a))	542
327	# define HAVE_SETEUID	543	static void
		544	rxvt_get_ttymode (struct termios *tio)
		545	{
		546	if (tcgetattr (STDIN_FILENO, tio) < 0)
		547	memset (tio, 0, sizeof (struct termios));
		548
		549	for (int i = 0; i < NCCS; i++)
		550	tio->c_cc[i] = VDISABLE;
		551
		552	tio->c_cc[VINTR] = CINTR;
		553	tio->c_cc[VQUIT] = CQUIT;
		554	tio->c_cc[VERASE] = CERASE;
		555	#ifdef VERASE2
		556	tio->c_cc[VERASE2] = CERASE2;
		557	#endif
		558	tio->c_cc[VKILL] = CKILL;
		559	tio->c_cc[VEOF] = CEOF;
		560	tio->c_cc[VSTART] = CSTART;
		561	tio->c_cc[VSTOP] = CSTOP;
		562	tio->c_cc[VSUSP] = CSUSP;
		563	# ifdef VDSUSP
		564	tio->c_cc[VDSUSP] = CDSUSP;
328	# endif	565	# endif
329	# ifdef HAVE_SETEUID	566	# ifdef VREPRINT
330	switch (mode) {	567	tio->c_cc[VREPRINT] = CRPRNT;
331	case IGNORE:
332	/*
333	* change effective uid/gid - not real uid/gid - so we can switch
334	* back to root later, as required
335	*/
336	seteuid(getuid());
337	setegid(getgid());
338	break;
339	case SAVE:
340	R->euid = geteuid();
341	R->egid = getegid();
342	break;
343	case RESTORE:
344	seteuid(R->euid);
345	setegid(R->egid);
346	break;
347	}
348	# else
349	switch (mode) {
350	case IGNORE:
351	setuid(getuid());
352	setgid(getgid());
353	/* FALLTHROUGH */
354	case SAVE:
355	/* FALLTHROUGH */
356	case RESTORE:
357	break;
358	}
359	# endif	568	# endif
360	#endif	569	# ifdef VDISCRD
361	}	570	tio->c_cc[VDISCRD] = CFLUSH;
362
363	#ifdef UTMP_SUPPORT
364	/* EXTPROTO */
365	void
366	rxvt_privileged_utmp(pR_ char action)
367	{
368	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
369	action, R->next_utmp_action, getpid()));
370	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
371	|| (R->Options & Opt_utmpInhibit)
372	|| R->ttydev == NULL || *R->ttydev == '\0')
373	return;
374
375	rxvt_privileges(aR_ RESTORE);
376	if (action == SAVE) {
377	R->next_utmp_action = RESTORE;
378	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
379	} else { /* action == RESTORE */
380	R->next_utmp_action = IGNORE;
381	rxvt_cleanutent(aR);
382	}
383	rxvt_privileges(aR_ IGNORE);
384	}
385	#endif
386
387	#ifndef NO_SETOWNER_TTYDEV
388	/* EXTPROTO */
389	void
390	rxvt_privileged_ttydev(pR_ char action)
391	{
392	D_MAIN((stderr,
393	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
394	action, R->next_tty_action, getpid()));
395	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
396	|| R->ttydev == NULL || *R->ttydev == '\0')
397	return;
398
399	rxvt_privileges(aR_ RESTORE);
400
401	if (action == SAVE) {
402	R->next_tty_action = RESTORE;
403	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
404	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
405	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
406	R->next_tty_action = IGNORE;
407	else
408	# endif	571	# endif
409	{	572	# ifdef VWERSE
410	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	573	tio->c_cc[VWERSE] = CWERASE;
411	chmod(R->ttydev, R->ttymode);
412	# ifdef HAVE_REVOKE
413	revoke(R->ttydev);
414	# endif	574	# endif
415	}	575	# ifdef VLNEXT
416	} else { /* action == RESTORE */	576	tio->c_cc[VLNEXT] = CLNEXT;
417	R->next_tty_action = IGNORE;
418	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
419	chmod(R->ttydev, R->ttyfd_stat.st_mode);
420	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
421	# else
422	chmod(R->ttydev,
423	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
424	chown(R->ttydev, 0, 0);
425	# endif	577	# endif
426	}	578	# ifdef VSTATUS
427		579	tio->c_cc[VSTATUS] = CSTATUS;
428	rxvt_privileges(aR_ IGNORE);
429
430	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
431	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
432	action == RESTORE ? "Restoring" : (action ==
433	SAVE ? "Saving" :
434	"UNKNOWN ERROR for"), R->ttydev,
435	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
436	R->ttyfd_stat.st_gid));
437	# endif	580	# endif
438	}	581
		582	# if VMIN != VEOF
		583	tio->c_cc[VMIN] = 1;
439	#endif	584	# endif
		585	# if VTIME != VEOL
		586	tio->c_cc[VTIME] = 0;
		587	# endif
		588
		589	/* input modes */
		590	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		591	# ifdef IMAXBEL
		592	| IMAXBEL
		593	# endif
		594	| IXON);
		595
		596	/* output modes */
		597	tio->c_oflag = (OPOST | ONLCR);
		598
		599	/* control modes */
		600	tio->c_cflag = (CS8 | CREAD);
		601
		602	/* local modes */
		603	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		604	# if defined (ECHOCTL) && defined (ECHOKE)
		605	| ECHOCTL | ECHOKE
		606	# endif
		607	| ECHOE | ECHOK);
		608	}
		609
		610	char **rxvt_environ; // startup environment
		611
		612	void
		613	rxvt_init ()
		614	{
		615	assert (("fontMask must not overlap other RS masks",
		616	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		617
		618	rxvt_get_ttymode (&rxvt_term::def_tio);
		619
		620	// get rid of stdin/stdout as we don't need them, to free resources
		621	dup2 (STDERR_FILENO, STDIN_FILENO);
		622	dup2 (STDERR_FILENO, STDOUT_FILENO);
		623
		624	if (!ev_default_loop ())
		625	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		626
		627	rxvt_environ = environ;
		628
		629	signal (SIGHUP, SIG_IGN);
		630	signal (SIGPIPE, SIG_IGN);
		631
		632	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		633	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		634
		635	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		636	// TODO: handle this with exceptions and tolerate the memory loss
		637	XSetIOErrorHandler (rxvt_xioerror_handler);
		638
		639	XrmInitialize ();
		640
		641	#if HAVE_PIXBUF
		642	g_type_init ();
		643	#endif
		644	}
440		645
441	/*----------------------------------------------------------------------*/	646	/*----------------------------------------------------------------------*/
442	/*	647	/*
443	* window size/position calculcations for XSizeHint and other storage.	648	* window size/position calculations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	649	* if width/height are non-zero then override calculated width/height
445	*/	650	*/
446	/* EXTPROTO */
447	void	651	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	652	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
449	{	653	{
450	short recalc_x, recalc_y;	654	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	655	int x, y, flags;
452	unsigned int w, h;	656	unsigned int w, h;
453	unsigned int max_width, max_height;	657	unsigned int max_width, max_height;
454		658
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
457	R->szHint.height));
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	659	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	660	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	661	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		662
462	recalc_x = recalc_y = 0;	663	recalc_x = recalc_y = 0;
463	flags = 0;	664	flags = 0;
		665
464	if (!R->parsed_geometry) {	666	if (!parsed_geometry)
		667	{
465	R->parsed_geometry = 1;	668	parsed_geometry = 1;
		669
466	if (R->rs[Rs_geometry])	670	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	671	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		672
468	if (flags & WidthValue) {	673	if (flags & WidthValue)
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	674	{
		675	if (!w)
		676	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		677
		678	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
470	R->szHint.flags |= USSize;	679	szHint.flags |= USSize;
471	}	680	}
		681
472	if (flags & HeightValue) {	682	if (flags & HeightValue)
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	683	{
		684	if (!h)
		685	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		686
		687	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
474	R->szHint.flags |= USSize;	688	szHint.flags |= USSize;
475	}	689	}
		690
476	if (flags & XValue) {	691	if (flags & XValue)
		692	{
477	R->szHint.x = x;	693	szHint.x = x;
478	R->szHint.flags |= USPosition;	694	szHint.flags |= USPosition;
		695
479	if (flags & XNegative) {	696	if (flags & XNegative)
		697	{
480	recalc_x = 1;	698	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	699	szHint.win_gravity = NorthEastGravity;
482	}	700	}
483	}	701	}
		702
484	if (flags & YValue) {	703	if (flags & YValue)
		704	{
485	R->szHint.y = y;	705	szHint.y = y;
486	R->szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
487	if (flags & YNegative) {	708	if (flags & YNegative)
		709	{
488	recalc_y = 1;	710	recalc_y = 1;
		711
489	if (R->szHint.win_gravity == NorthEastGravity)	712	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	713	szHint.win_gravity = SouthEastGravity;
491	else	714	else
492	R->szHint.win_gravity = SouthWestGravity;	715	szHint.win_gravity = SouthWestGravity;
493	}	716	}
494	}	717	}
495	}	718	}
		719
496	/* TODO: BOUNDS */	720	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	721	width = ncol * fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	722	height = nrow * fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	723	max_width = MAX_COLS * fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	724	max_height = MAX_ROWS * fheight;
501		725
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	726	szHint.base_width = szHint.base_height = 2 * int_bwidth;
503		727
504	sb_w = mb_h = 0;
505	R->window_vt_x = R->window_vt_y = 0;	728	window_vt_x = window_vt_y = int_bwidth;
506	if (scrollbar_visible(R)) {	729
		730	if (scrollBar.state)
		731	{
507	sb_w = scrollbar_TotalWidth();	732	int sb_w = scrollBar.total_width ();
508	R->szHint.base_width += sb_w;	733	szHint.base_width += sb_w;
		734
509	if (!(R->Options & Opt_scrollBar_right))	735	if (!option (Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	736	window_vt_x += sb_w;
511	}	737	}
512	if (menubar_visible(R)) {	738
513	mb_h = menuBar_TotalHeight();
514	R->szHint.base_height += mb_h;
515	R->window_vt_y = mb_h;
516	}
517	R->szHint.width_inc = R->TermWin.fwidth;	739	szHint.width_inc = fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	740	szHint.height_inc = fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	741	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	742	szHint.min_height = szHint.base_height + szHint.height_inc;
521		743
522	if (width && width - R->szHint.base_width < max_width) {	744	if (newwidth && newwidth - szHint.base_width < max_width)
		745	{
523	R->szHint.width = width;	746	szHint.width = newwidth;
524	R->TermWin.width = width - R->szHint.base_width;	747	width = newwidth - szHint.base_width;
525	} else {	748	}
526	MIN_IT(R->TermWin.width, max_width);	749	else
		750	{
		751	min_it (width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	752	szHint.width = szHint.base_width + width;
528	}	753	}
		754
529	if (height && height - R->szHint.base_height < max_height) {	755	if (newheight && newheight - szHint.base_height < max_height)
		756	{
530	R->szHint.height = height;	757	szHint.height = newheight;
531	R->TermWin.height = height - R->szHint.base_height;	758	height = newheight - szHint.base_height;
532	} else {	759	}
533	MIN_IT(R->TermWin.height, max_height);	760	else
		761	{
		762	min_it (height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	763	szHint.height = szHint.base_height + height;
535	}	764	}
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;
538		765
539	if (recalc_x)	766	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	767	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	768
542	if (recalc_y)	769	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	770	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
545		771
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	772	ncol = width / fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	773	nrow = height / fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	774
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	775	// When the size of the vt window is not a multiple of the cell
550	R->szHint.height));	776	// size, i.e., when the wm does not honour our size hints, there are
551	return;	777	// extra areas not covered by the terminal screen. Such gaps, when a
		778	// bg pixmap is set, would have to be cleared manually to properly
		779	// refresh the background. We take the simpler route and shrink the
		780	// vt window so as to avoid creating gaps.
		781	vt_width = ncol * fwidth;
		782	vt_height = nrow * fheight;
552	}	783	}
553		784
554	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
555	/*	786	/*
556	* Tell the teletype handler what size the window is.	787	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	788	* Called after a window size change.
558	*/	789	*/
559	/* EXTPROTO */
560	void	790	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	791	rxvt_term::tt_winch ()
562	{	792	{
		793	if (pty->pty < 0)
		794	return;
		795
563	struct winsize ws;	796	struct winsize ws;
564		797
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	798	ws.ws_col = ncol;
568	ws.ws_row = row;	799	ws.ws_row = nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	800	ws.ws_xpixel = vt_width;
570	#ifndef DEBUG_SIZE	801	ws.ws_ypixel = vt_height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	802	ioctl (pty->pty, TIOCSWINSZ, &ws);
		803
		804	#if 0
		805	// TIOCSWINSZ is supposed to do this automatically and correctly
		806	if (cmd_pid) /* force through to the command */
		807	kill (-cmd_pid, SIGWINCH);
		808	#endif
		809	}
		810
		811	/*----------------------------------------------------------------------*/
		812	/* load and set the various fonts */
		813	bool
		814	rxvt_term::set_fonts ()
		815	{
		816	rxvt_fontset *fs = new rxvt_fontset (this);
		817	rxvt_fontprop prop;
		818
		819	if (!fs
		820	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		821	|| !fs->realize_font (1))
		822	{
		823	delete fs;
		824	return false;
		825	}
		826
		827	#if ENABLE_STYLES
		828	for (int i = RS_styleCount; --i; )
		829	if (fontset[i] != fontset[0])
		830	delete fontset[i];
		831	#endif
		832
		833	delete fontset[0];
		834	fontset[0] = fs;
		835
		836	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		837	prop.width = max (prop.width + letterSpace, 1);
		838
		839	fs->set_prop (prop, false);
		840
		841	fwidth = prop.width;
		842	fheight = prop.height + lineSpace;
		843	fbase = prop.ascent;
		844
		845	for (int style = 1; style < 4; style++)
		846	{
		847	#if ENABLE_STYLES
		848	const char *res = rs[Rs_font + style];
		849
		850	if (res && !*res)
		851	fontset[style] = fontset[0];
		852	else
		853	{
		854	fontset[style] = fs = new rxvt_fontset (this);
		855	rxvt_fontprop prop2 = prop;
		856
		857	if (res)
		858	{
		859	fs->populate (res);
		860	fs->set_prop (prop2, false);
		861	}
		862	else
		863	{
		864	fs->populate (fontset[0]->fontdesc);
		865
		866	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		867	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		868
		869	fs->set_prop (prop2, true);
		870	}
		871
		872	}
572	#else	873	#else
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	874	fontset[style] = fontset[0];
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */
578	kill(pid, SIGWINCH);
579	# endif	875	#endif
580	#endif	876	}
581	}
582		877
583	/*----------------------------------------------------------------------*/	878	if (parent)
584	/* rxvt_change_font() - Switch to a new font */	879	{
585	/*	880	resize_all_windows (0, 0, 0);
586	* init = 1 - initialize	881	scr_remap_chars ();
587	*	882	scr_touch (true);
588	* fontname == FONT_UP - switch to bigger font	883	}
589	* fontname == FONT_DN - switch to smaller font
590	*/
591	/* EXTPROTO */
592	void
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{
595	}
596		884
597	/* INTPROTO */	885	return true;
		886	}
		887
598	void	888	void
599	rxvt_font_up_down(pR_ int n, int direction)	889	rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	890	{
		891	XChangeProperty (dpy, parent,
		892	prop, XA_STRING, 8, PropModeReplace,
		893	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		894	}
		895
		896	void
		897	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		898	{
		899	XTextProperty ct;
		900
		901	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		902	{
		903	XSetTextProperty (dpy, parent, &ct, prop);
		904	XFree (ct.value);
		905	}
		906	}
		907
		908	void
		909	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		910	{
		911	wchar_t *ws = rxvt_mbstowcs (str, len);
		912	char *s = rxvt_wcstoutf8 (ws);
		913
		914	XChangeProperty (dpy, parent,
		915	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		916	(const unsigned char *)s, strlen (s));
		917
		918	free (s);
		919	free (ws);
601	}	920	}
602		921
603	/*----------------------------------------------------------------------*/	922	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	923	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	924	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	925	void
608	rxvt_set_title(pR_ const char *str)	926	rxvt_term::set_title (const char *str)
609	{	927	{
610	#ifndef SMART_WINDOW_TITLE	928	set_mbstring_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	929	#if ENABLE_EWMH
612	#else	930	set_utf8_property (xa[XA_NET_WM_NAME], str);
613	char *name;
614
615	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	931	#endif
622	}	932	}
623		933
624	/* EXTPROTO */
625	void	934	void
626	rxvt_set_iconName(pR_ const char *str)	935	rxvt_term::set_icon_name (const char *str)
627	{	936	{
628	#ifndef SMART_WINDOW_TITLE	937	set_mbstring_property (XA_WM_ICON_NAME, str);
629	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	938	#if ENABLE_EWMH
630	#else	939	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
631	char *name;
632
633	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
634	name = NULL;
635	if (name == NULL || STRCMP(name, str))
636	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
637	if (name)
638	XFree(name);
639	#endif	940	#endif
640	}	941	}
641		942
		943	void
		944	rxvt_term::set_window_color (int idx, const char *color)
		945	{
642	#ifdef XTERM_COLOR_CHANGE	946	#ifdef XTERM_COLOR_CHANGE
643	/* EXTPROTO */
644	void
645	rxvt_set_window_color(pR_ int idx, const char *color)
646	{
647	rxvt_color xcol;	947	rxvt_color xcol;
648	int i;
649		948
650	if (color == NULL || *color == '\0')	949	if (color == NULL || *color == '\0')
651	return;	950	return;
652		951
		952	color = strdup (color);
		953	allocated.push_back ((void *)color);
		954	rs[Rs_color + idx] = color;
		955
653	/* handle color aliases */	956	/* handle color aliases */
654	if (isdigit(*color)) {	957	if (isdigit (*color))
		958	{
655	i = atoi(color);	959	int i = atoi (color);
656	if (i >= 8 && i <= 15) { /* bright colors */	960
657	i -= 8;	961	if (i >= 8 && i <= 15)
658	# ifndef NO_BRIGHTCOLOR	962	{
659	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	963	/* bright colors */
660	SET_PIXCOLOR(R, idx);	964	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
661	goto Done;	965	goto done;
662	# endif
663	}	966	}
664	if (i >= 0 && i <= 7) { /* normal colors */	967
665	R->PixColors[idx] = R->PixColors[minCOLOR + i];	968	if (i >= 0 && i <= 7)
666	SET_PIXCOLOR(R, idx);	969	{
		970	/* normal colors */
		971	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
667	goto Done;	972	goto done;
668	}	973	}
669	}	974	}
670	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
671	return;
672	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
673		975
674	/*	976	set_color (xcol, color);
		977
		978	/*
675	* FIXME: should free colors here, but no idea how to do it so instead,	979	* FIXME: should free colors here, but no idea how to do it so instead,
676	* so just keep gobbling up the colormap	980	* so just keep gobbling up the colormap
677	*/	981	*/
678	# if 0
679	for (i = Color_Black; i <= Color_White; i++)
680	if (R->PixColors[idx] == R->PixColors[i])
681	break;
682	if (i > Color_White) {
683	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
684	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
685	DisplayPlanes(R->Xdisplay, Xscreen));
686	}
687	# endif
688		982
689	R->PixColors[idx] = xcol;	983	pix_colors_focused[idx] = xcol;
690	SET_PIXCOLOR(R, idx);
691		984
692	/* XSetWindowAttributes attr; */	985	done:
693	/* Cursor cursor; */
694	Done:
695	if (idx == Color_bg && !(R->Options & Opt_transparent))
696	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
697	R->PixColors[Color_bg]);
698
699	/* handle Color_BD, scrollbar background, etc. */	986	/*TODO: handle Color_BD, scrollbar background, etc. */
700		987
701	rxvt_set_colorfgbg(aR);	988	update_fade_color (idx);
702	rxvt_recolour_cursor(aR);	989	recolour_cursor ();
703	/* the only reasonable way to enforce a clean update */	990	scr_recolour ();
704	rxvt_scr_poweron(aR);	991	#endif /* XTERM_COLOR_CHANGE */
705	}	992	}
706		993
707	#else
708	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */
710
711	/* EXTPROTO */
712	void	994	void
713	rxvt_recolour_cursor(pR)	995	rxvt_term::recolour_cursor ()
714	{	996	{
715	rxvt_color xcol[2];	997	XColor fg, bg;
716		998
717	#if TODO	999	(ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	1000	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	1001	: pix_colors_focused[Color_fg]).get (fg);
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1002
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1003	(ISSET_PIXCOLOR (Color_pointer_bg)
722	#endif	1004	? pix_colors_focused[Color_pointer_bg]
		1005	: pix_colors_focused[Color_bg]).get (bg);
		1006
		1007	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
723	}	1008	}
724		1009
725	/*----------------------------------------------------------------------*/	1010	/*----------------------------------------------------------------------*/
726	/*	1011	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	1012	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	1013	*/
729	/* INTPROTO */	1014	char *
730	void
731	rxvt_set_colorfgbg(pR)	1015	rxvt_term::get_colorfgbg ()
732	{	1016	{
733	unsigned int i;	1017	unsigned int i;
734	const char *xpmb = "\0";	1018	const char *xpmb = "";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1019	char fstr[] = "default";
		1020	char bstr[] = "default";
		1021	char *env_colorfgbg;
736		1022
737	R->env_colorfgbg =
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
739	STRCPY(fstr, "default");
740	STRCPY(bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	1023	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1024	if (pix_colors[Color_fg] == pix_colors[i])
		1025	{
743	sprintf(fstr, "%d", (i - Color_Black));	1026	sprintf (fstr, "%d", i - Color_Black);
744	break;	1027	break;
745	}	1028	}
		1029
746	for (i = Color_Black; i <= Color_White; i++)	1030	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1031	if (pix_colors[Color_bg] == pix_colors[i])
		1032	{
748	sprintf(bstr, "%d", (i - Color_Black));	1033	sprintf (bstr, "%d", i - Color_Black);
749	#ifdef XPM_BACKGROUND	1034	#if BG_IMAGE_FROM_FILE
750	xpmb = "default;";	1035	xpmb = "default;";
751	#endif	1036	#endif
752	break;	1037	break;
753	}	1038	}
		1039
		1040	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1041	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
755	putenv(R->env_colorfgbg);	1042	return env_colorfgbg;
756
757	#ifndef NO_BRIGHTCOLOR
758	R->colorfgbg = DEFAULT_RSTYLE;
759	for (i = minCOLOR; i <= maxCOLOR; i++) {
760	if (R->PixColors[Color_fg] == R->PixColors[i])
761	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
762	if (R->PixColors[Color_bg] == R->PixColors[i])
763	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
764	}
765	#endif
766	}	1043	}
767		1044
768	/*----------------------------------------------------------------------*/	1045	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		1046
774	/* EXTPROTO */	1047	bool
775	int	1048	rxvt_term::set_color (rxvt_color &color, const char *name)
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
777	{	1049	{
778	screen_in_out->set(aR_ colour);	1050	if (color.set (this, name))
779
780	if (!screen_in_out->set(aR_ colour)) {
781	rxvt_print_error("can't allocate colour: %s", colour);
782	return false;
783	}
784
785	return true;	1051	return true;
		1052
		1053	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1054	return false;
		1055	}
		1056
		1057	void
		1058	rxvt_term::alias_color (int dst, int src)
		1059	{
		1060	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
786	}	1061	}
787		1062
788	/* -------------------------------------------------------------------- *	1063	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	1064	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	1065	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	1066	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1067	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
794	int ignoreparent)
795	{	1068	{
796	int fix_screen;	1069	int fix_screen;
		1070	int old_width = szHint.width;
		1071	int old_height = szHint.height;
797		1072
		1073	window_calc (newwidth, newheight);
		1074
		1075	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1076
		1077	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1078	if (set_hint)
		1079	{
		1080	szHint.flags &= ~(PBaseSize | PResizeInc);
		1081	XSetWMNormalHints (dpy, parent, &szHint);
		1082	szHint.flags |= PBaseSize | PResizeInc;
		1083	}
		1084
		1085	if (!ignoreparent)
		1086	{
798	#ifdef SMART_RESIZE	1087	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	1088	/*
800	#endif
801
802	rxvt_window_calc(aR_ width, height);
803	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
804	if (!ignoreparent) {
805	#ifdef SMART_RESIZE
806	/*
807	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1089	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	1090	* reposition window on resize depending on placement on screen
809	*/	1091	*/
810	int x, y, x1, y1;	1092	int x, y, x1, y1;
811	int dx, dy;	1093	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1094	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	1095	Window unused_cr;
814		1096
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1097	XTranslateCoordinates (dpy, parent, display->root,
816	0, 0, &x, &y, &unused_cr);	1098	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1099	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1100	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	1101	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	1102	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	1103	* our position for handles and decorations. Counter it
822	*/	1104	*/
823	if (x1 != x || y1 != y) {	1105	if (x1 != x || y1 != y)
		1106	{
824	x -= x1;	1107	x -= x1;
825	y -= y1;	1108	y -= y1;
826	}	1109	}
827		1110
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1111	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1112	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	1113	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	1114	dy = old_height - szHint.height;
832		1115
833	/* Check position of the center of the window */	1116	/* Check position of the center of the window */
834	if (x < x1) /* left half */	1117	if (x < x1) /* left half */
835	dx = 0;	1118	dx = 0;
836	else if (x == x1) /* exact center */	1119	else if (x == x1) /* exact center */
837	dx /= 2;	1120	dx /= 2;
838	if (y < y1) /* top half */	1121	if (y < y1) /* top half */
839	dy = 0;	1122	dy = 0;
840	else if (y == y1) /* exact center */	1123	else if (y == y1) /* exact center */
841	dy /= 2;	1124	dy /= 2;
842		1125
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1126	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	1127	szHint.width, szHint.height);
845	#else	1128	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1129	XResizeWindow (dpy, parent, szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	1130	#endif
849	}	1131	}
850		1132
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	1133	if (set_hint)
852	|| R->TermWin.nrow != R->prev_nrow);	1134	XSetWMNormalHints (dpy, parent, &szHint);
		1135
		1136	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1137
853	if (fix_screen || width != R->old_width || height != R->old_height) {	1138	if (fix_screen || newwidth != old_width || newheight != old_height)
854	if (scrollbar_visible(R)) {
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
856	0, scrollbar_TotalWidth(), R->szHint.height);
857	rxvt_Resize_scrollBar(aR);
858	}
859	if (menubar_visible(R))
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());
862	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
863	R->window_vt_y, TermWin_TotalWidth(),
864	TermWin_TotalHeight());
865	#ifdef RXVT_GRAPHICS
866	if (R->old_height)
867	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
868	R->old_height - R->szHint.base_height);
869	#endif
870	rxvt_scr_clear(aR);
871	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);
873	#endif
874	}	1139	{
		1140	if (scrollBar.state)
		1141	scrollBar.resize ();
875		1142
		1143	XMoveResizeWindow (dpy, vt,
		1144	window_vt_x, window_vt_y,
		1145	vt_width, vt_height);
		1146
		1147	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1148
		1149	#ifdef HAVE_BG_PIXMAP
		1150	if (bg_window_size_sensitive ())
		1151	update_background ();
		1152	#endif
		1153	}
		1154
876	if (fix_screen || R->old_height == 0) {	1155	if (fix_screen || old_height == 0)
877	int curr_screen = -1;	1156	scr_reset ();
878	uint16_t old_ncol = R->prev_ncol;
879		1157
880	/* scr_reset only works on the primary screen */
881	if (R->old_height) /* this is not the first time through */
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
883	rxvt_scr_reset(aR);
884	if (curr_screen >= 0) { /* this is not the first time through */
885	rxvt_scr_change_screen(aR_ curr_screen);
886	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
887	}
888	}
889
890	R->old_width = R->szHint.width;
891	R->old_height = R->szHint.height;
892
893	#ifdef USE_XIM	1158	#if USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1159	im_set_position ();
895	#endif	1160	#endif
896	}	1161	}
897		1162
898	/*	1163	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1164	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1165	* good for toggling 80/132 columns
901	*/	1166	*/
902	/* EXTPROTO */
903	void	1167	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1168	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
905	{	1169	{
906	XWindowAttributes wattr;	1170	XWindowAttributes wattr;
907		1171
908	if (width == 0 || height == 0) {	1172	if (newwidth == 0 || newheight == 0)
		1173	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1174	XGetWindowAttributes (dpy, display->root, &wattr);
		1175
910	if (width == 0)	1176	if (newwidth == 0)
911	width = wattr.width - R->szHint.base_width;	1177	newwidth = wattr.width - szHint.base_width;
912	if (height == 0)	1178	if (newheight == 0)
913	height = wattr.height - R->szHint.base_height;	1179	newheight = wattr.height - szHint.base_height;
		1180	}
		1181
		1182	if (newwidth != vt_width || newheight != vt_height)
914	}	1183	{
915	if (width != R->TermWin.width || height != R->TermWin.height) {
916	width += R->szHint.base_width;	1184	newwidth += szHint.base_width;
917	height += R->szHint.base_height;	1185	newheight += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1186	resize_all_windows (newwidth, newheight, 0);
919	}	1187	}
920	}	1188	}
921		1189
922	/* -------------------------------------------------------------------- *	1190	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1191	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1192	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1193	#if USE_XIM
926	/* INTPROTO */
927	void
928	rxvt_setSize(pR_ XRectangle * size)
929	{
930	size->x = R->TermWin.int_bwidth;
931	size->y = R->TermWin.int_bwidth;
932	size->width = Width2Pixel(R->TermWin.ncol);
933	size->height = Height2Pixel(R->TermWin.nrow);
934	}
935		1194
936	/* INTPROTO */
937	void	1195	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1196	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1197	{
940	*fg = R->PixColors[Color_fg];	1198	fg = pix_colors [Color_fg];
941	*bg = R->PixColors[Color_bg];	1199	bg = pix_colors [Color_bg];
		1200	}
		1201
		1202	void
		1203	rxvt_term::im_set_size (XRectangle &size)
		1204	{
		1205	// the int_bwidth terms make no sense to me
		1206	size.x = int_bwidth;
		1207	size.y = int_bwidth;
		1208	size.width = Width2Pixel (ncol) + int_bwidth;
		1209	size.height = Height2Pixel (nrow) + int_bwidth;
		1210	}
		1211
		1212	void
		1213	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1214	XRectangle &status_rect,
		1215	const XRectangle &needed_rect)
		1216	{
		1217	preedit_rect.x = needed_rect.width;
		1218	preedit_rect.y = 0;
		1219	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1220	preedit_rect.height = fheight;
		1221
		1222	status_rect.x = 0;
		1223	status_rect.y = 0;
		1224	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1225	status_rect.height = fheight;
942	}	1226	}
943		1227
944	/* Checking whether input method is running. */	1228	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1229	bool
947	rxvt_IMisRunning(pR)	1230	rxvt_term::im_is_running ()
948	{	1231	{
949	char *p;	1232	Atom atom;
950	Atom atom;	1233	Window win;
951	Window win;
952	char server[IMBUFSIZ];	1234	char server[IMBUFSIZ];
953		1235
954	/* get current locale modifier */	1236	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1237	if (char *p = XSetLocaleModifiers (0))
		1238	{
956	STRCPY(server, "@server=");	1239	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1240	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1241
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1242	if (p = strchr (server + 1, '@')) /* first one only */
959	*p = '\0';	1243	*p = '\0';
960		1244
961	atom = XInternAtom(R->Xdisplay, server, False);	1245	atom = XInternAtom (dpy, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1246	win = XGetSelectionOwner (dpy, atom);
		1247
963	if (win != None)	1248	if (win != None)
964	return True;	1249	return true;
965	}	1250	}
		1251
966	return False;	1252	return false;
967	}	1253	}
968		1254
969	/* EXTPROTO */
970	void	1255	void
971	rxvt_IMSendSpot(pR)	1256	rxvt_term::im_send_spot ()
972	{	1257	{
973	XPoint spot;	1258	XPoint nspot;
974	XVaNestedList preedit_attr;	1259	XVaNestedList preedit_attr;
975		1260
976	if (R->Input_Context == NULL	1261	if (!Input_Context
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1262	|| !focus
978	|| !(R->event_type == KeyPress	1263	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
979	|| R->event_type == Expose
980	|| R->event_type == NoExpose
981	|| R->event_type == SelectionNotify
982	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
983	|| !rxvt_IMisRunning(aR))
984	return;	1264	return;
985		1265
986	rxvt_setPosition(aR_ & spot);	1266	im_set_position (nspot);
987		1267
		1268	if (nspot.x == spot.x && nspot.y == spot.y)
		1269	return;
		1270
		1271	spot = nspot;
		1272
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1273	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1274	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1275	XFree (preedit_attr);
991	}	1276	}
992		1277
993	/* EXTPROTO */
994	void	1278	void
995	rxvt_setTermFontSet(pR_ int idx)	1279	rxvt_term::im_destroy ()
996	{	1280	{
997	char *string;	1281	if (input_method)
998	long length;	1282	{
999	int success = 0;	1283	if (Input_Context && input_method->xim)
		1284	XDestroyIC (Input_Context);
1000		1285
1001	if (idx < 0 || idx >= MAX_NFONTS)	1286	display->put_xim (input_method);
1002	return;	1287	input_method = 0;
1003	}	1288	}
1004		1289
1005	/* INTPROTO */
1006	void
1007	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1008	XRectangle * needed_rect)
1009	{
1010	int mbh, vtx = 0;
1011
1012	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1013	vtx = scrollbar_TotalWidth();
1014	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1015	mbh -= R->TermWin.lineSpace;
1016
1017	preedit_rect->x = needed_rect->width + vtx;
1018	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1019
1020	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1021	+ vtx;
1022	preedit_rect->height = Height2Pixel(1);
1023
1024	status_rect->x = vtx;
1025	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1026
1027	status_rect->width = needed_rect->width ? needed_rect->width
1028	: Width2Pixel(R->TermWin.ncol + 1);
1029	status_rect->height = Height2Pixel(1);
1030	}
1031
1032	/* ARGSUSED */
1033	/* INTPROTO */
1034	void
1035	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1036	__attribute__ ((unused)), XPointer call_data
1037	__attribute__ ((unused)))
1038	{
1039	dR;
1040
1041	R->Input_Context = NULL;	1290	Input_Context = 0;
1042	/* To avoid Segmentation Fault in C locale: Solaris only? */
1043	if (STRCMP(R->locale, "C"))
1044	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1045	rxvt_IMInstantiateCallback, NULL);
1046	}	1291	}
1047		1292
1048	/*	1293	#ifdef ENABLE_XIM_ONTHESPOT
1049	* X manual pages and include files don't match on some systems:
1050	* some think this is an XIDProc and others an XIMProc so we can't
1051	* use the first argument - need to update this to be nice for
1052	* both types via some sort of configure detection
1053	*/
1054	/* ARGSUSED */
1055	/* EXTPROTO */
1056	void
1057	rxvt_IMInstantiateCallback(Display * unused
1058	__attribute__ ((unused)), XPointer client_data
1059	__attribute__ ((unused)), XPointer call_data
1060	__attribute__ ((unused)))
1061	{
1062	dR;
1063	int i, found, had_im;
1064	const char *p;
1065	char **s;
1066	char buf[IMBUFSIZ];
1067		1294
1068	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1295	static void
1069	if (R->Input_Context)	1296	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1070	return;	1297	{
		1298	((rxvt_term *)client_data)->make_current ();
		1299	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1300	}
1071		1301
1072	found = had_im = 0;	1302	static void
1073	p = R->rs[Rs_inputMethod];	1303	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1074	if (p && *p) {	1304	{
1075	had_im = 1;	1305	((rxvt_term *)client_data)->make_current ();
1076	s = rxvt_splitcommastring(p);	1306	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1077	for (i = 0; s[i]; i++) {	1307	}
1078	if (*s[i]) {	1308
1079	STRCPY(buf, "@im=");	1309	static void
1080	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1310	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1081	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1311	{
1082	&& (rxvt_IM_get_IC(aR) == True)) {	1312	rxvt_term *term = (rxvt_term *)client_data;
1083	found = 1;	1313	XIMText *text = call_data->text;
1084	break;	1314
1085	}	1315	term->make_current ();
1086	}	1316
		1317	if (text)
		1318	{
		1319	wchar_t *str;
		1320
		1321	if (!text->encoding_is_wchar && text->string.multi_byte)
		1322	{
		1323	// of course, X makes it ugly again
		1324	if (term->rs[Rs_imLocale])
		1325	SET_LOCALE (term->rs[Rs_imLocale]);
		1326
		1327	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1328	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1329
		1330	if (term->rs[Rs_imLocale])
		1331	SET_LOCALE (term->locale);
1087	}	1332	}
1088	for (i = 0; s[i]; i++)	1333	else
1089	free(s[i]);	1334	str = text->string.wide_char;
1090	free(s);
1091	}
1092	if (found)
1093	return;
1094		1335
1095	/* try with XMODIFIERS env. var. */	1336	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1337	DT_INT, call_data->caret,
1097	rxvt_IM_get_IC(aR);	1338	DT_INT, call_data->chg_first,
1098	return;	1339	DT_INT, call_data->chg_length,
		1340	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1341	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1342	DT_END));
1099	}	1343	}
1100		1344	else
1101	/* try with no modifiers base IF the user didn't specify an IM */	1345	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1346	DT_INT, call_data->caret,
1103	&& rxvt_IM_get_IC(aR) == True)	1347	DT_INT, call_data->chg_first,
1104	return;	1348	DT_INT, call_data->chg_length,
		1349	DT_END));
1105	}	1350	}
		1351
		1352	#if 0
		1353	static void
		1354	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1355	{
		1356	((rxvt_term *)client_data)->make_current ();
		1357	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1358	DT_INT, call_data->position,
		1359	DT_INT, call_data->direction,
		1360	DT_INT, call_data->style,
		1361	DT_END));
		1362	}
		1363	#endif
		1364
		1365	#endif
1106		1366
1107	/*	1367	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1368	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1369	* open a suitable preedit type
1110	*/	1370	*/
1111	/* INTPROTO */
1112	Bool	1371	bool
1113	rxvt_IM_get_IC(pR)	1372	rxvt_term::im_get_ic (const char *modifiers)
1114	{	1373	{
1115	int i, j, found;	1374	int i, j, found;
1116	XIM xim;	1375	XIM xim;
1117	XPoint spot;	1376	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1377	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1378	unsigned long fg, bg;
1120	const char *p;	1379	const char *p;
1121	char **s;	1380	char **s;
1122	XIMStyles *xim_styles;	1381	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;
1124	XIMCallback ximcallback;
1125		1382
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1383	set_environ (env);
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1384
1128	if (xim == NULL)	1385	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1129	return False;	1386	return false;
1130		1387
		1388	input_method = display->get_xim (locale, modifiers);
		1389	if (input_method == NULL)
		1390	return false;
		1391
		1392	xim = input_method->xim;
		1393	spot.x = spot.y = -1;
		1394
1131	xim_styles = NULL;	1395	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1396	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1397	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1398	{
		1399	im_destroy ();
1135	return False;	1400	return false;
		1401	}
		1402
		1403	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1404
		1405	for (int pi = 0; pi < 2; pi++)
1136	}	1406	{
		1407	p = pet[pi];
1137		1408
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1409	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1410	continue;
1140	s = rxvt_splitcommastring(p);	1411
		1412	s = rxvt_strsplit (',', p);
		1413
1141	for (i = found = 0; !found && s[i]; i++) {	1414	for (i = found = 0; !found && s[i]; i++)
		1415	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1416	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1417	input_style = XIMPreeditPosition | XIMStatusNothing;
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1418	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1419	input_style = XIMPreeditArea | XIMStatusArea;
1146	else if (!STRCMP(s[i], "Root"))	1420	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1421	input_style = XIMPreeditNothing | XIMStatusNothing;
		1422	else if (!strcmp (s[i], "None"))
		1423	input_style = XIMPreeditNone | XIMStatusNone;
		1424	#ifdef ENABLE_XIM_ONTHESPOT
		1425	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1426	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1427	#endif
		1428	else
		1429	input_style = XIMPreeditNothing | XIMStatusNothing;
1148		1430
1149	for (j = 0; j < xim_styles->count_styles; j++)	1431	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1432	if (input_style == xim_styles->supported_styles[j])
		1433	{
		1434	rxvt_free_strsplit (s);
		1435
1151	found = 1;	1436	found = 1;
		1437	goto foundpet;
		1438	}
		1439
		1440	}
		1441
		1442	rxvt_free_strsplit (s);
		1443	}
		1444
		1445	foundpet:
		1446
		1447	XFree (xim_styles);
		1448
		1449	if (!found)
		1450	{
		1451	im_destroy ();
		1452	return false;
		1453	}
		1454
		1455	XFontSet fs = 0;
		1456	XVaNestedList preedit_attr = 0, status_attr = 0;
		1457
		1458	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1459	{
		1460	// fake us a font-set, please
		1461	char **missing_charset_list;
		1462	int missing_charset_count;
		1463	char *def_string;
		1464	char pat[512];
		1465
		1466	sprintf (pat,
		1467	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1468	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1469	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1470	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1471	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1472	"*",
		1473	fheight,
		1474	fheight + 1, fheight - 1,
		1475	fheight - 2, fheight + 2);
		1476
		1477	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1478	&missing_charset_list, &missing_charset_count, &def_string);
		1479
		1480	if (missing_charset_list)
		1481	XFreeStringList (missing_charset_list);
		1482
		1483	if (!fs)
		1484	{
		1485	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1486	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1487	}
		1488	}
		1489
		1490	if (input_style & XIMPreeditPosition)
		1491	{
		1492	im_set_size (rect);
		1493	im_set_position (spot);
		1494	im_set_color (fg, bg);
		1495
		1496	preedit_attr = XVaCreateNestedList (0,
		1497	XNForeground, fg,
		1498	XNBackground, bg,
		1499	XNArea, &rect,
		1500	XNSpotLocation, &spot,
		1501	XNFontSet, fs,
		1502	NULL);
		1503	}
		1504	else if (input_style & XIMPreeditArea)
		1505	{
		1506	im_set_color (fg, bg);
		1507
		1508	/*
		1509	* The necessary width of preedit area is unknown
		1510	* until create input context.
		1511	*/
		1512	needed_rect.width = 0;
		1513	im_set_preedit_area (rect, status_rect, needed_rect);
		1514
		1515	preedit_attr = XVaCreateNestedList (0,
		1516	XNForeground, fg,
		1517	XNBackground, bg,
		1518	XNArea, &rect,
		1519	XNFontSet, fs,
		1520	NULL);
		1521	status_attr = XVaCreateNestedList (0,
		1522	XNForeground, fg,
		1523	XNBackground, bg,
		1524	XNArea, &status_rect,
		1525	XNFontSet, fs,
		1526	NULL);
		1527	}
		1528	#if ENABLE_XIM_ONTHESPOT
		1529	else if (input_style & XIMPreeditCallbacks)
		1530	{
		1531	XIMCallback xcb[4];
		1532
		1533	im_set_position (spot);
		1534
		1535	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1536	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1537	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1538	# if 0
		1539	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1540	# endif
		1541
		1542	preedit_attr = XVaCreateNestedList (0,
		1543	XNSpotLocation, &spot,
		1544	XNPreeditStartCallback, &xcb[0],
		1545	XNPreeditDoneCallback , &xcb[1],
		1546	XNPreeditDrawCallback , &xcb[2],
		1547	# if 0
		1548	XNPreeditCaretCallback, &xcb[3],
		1549	# endif
		1550	NULL);
		1551	}
		1552	#endif
		1553
		1554	Input_Context = XCreateIC (xim,
		1555	XNInputStyle, input_style,
		1556	XNClientWindow, vt,
		1557	XNFocusWindow, parent,
		1558	preedit_attr ? XNPreeditAttributes : NULL,
		1559	preedit_attr,
		1560	status_attr ? XNStatusAttributes : NULL,
		1561	status_attr, NULL);
		1562
		1563	if (preedit_attr) XFree (preedit_attr);
		1564	if (status_attr) XFree (status_attr);
		1565	if (fs) XFreeFontSet (dpy, fs);
		1566
		1567	if (Input_Context == NULL)
		1568	{
		1569	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1570	im_destroy ();
		1571	return false;
		1572	}
		1573
		1574	#if 0
		1575	// unfortunately, only the focus window is used by XIM, hard to fix
		1576	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1577	vt_select_input ();
		1578	#endif
		1579
		1580	im_set_position ();
		1581
		1582	return true;
		1583	}
		1584
		1585	void
		1586	rxvt_term::im_cb ()
		1587	{
		1588	int i;
		1589	const char *p;
		1590	char **s;
		1591	char buf[IMBUFSIZ];
		1592
		1593	make_current ();
		1594
		1595	im_destroy ();
		1596
		1597	if (Input_Context)
		1598	return;
		1599
		1600	if (rs[Rs_imLocale])
		1601	SET_LOCALE (rs[Rs_imLocale]);
		1602
		1603	p = rs[Rs_inputMethod];
		1604	if (p && *p)
		1605	{
		1606	bool found = false;
		1607
		1608	s = rxvt_strsplit (',', p);
		1609
		1610	for (i = 0; s[i]; i++)
		1611	{
		1612	if (*s[i])
		1613	{
		1614	strcpy (buf, "@im=");
		1615	strncat (buf, s[i], IMBUFSIZ - 5);
		1616	if (im_get_ic (buf))
		1617	{
		1618	found = true;
1152	break;	1619	break;
		1620	}
1153	}	1621	}
1154	}	1622	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1623
		1624	rxvt_free_strsplit (s);
		1625
1160	if (!found) {	1626	if (found)
1161	XCloseIM(xim);	1627	goto done;
1162	return False;
1163	}	1628	}
1164		1629
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1630	/* try with XMODIFIERS env. var. */
		1631	if (im_get_ic (""))
		1632	goto done;
1166		1633
1167	/* XXX: not sure why we need this (as well as IC one below) */	1634	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1635	if (im_get_ic ("@im=none"))
		1636	goto done;
1169		1637
1170	preedit_attr = status_attr = NULL;	1638	done:
1171		1639	if (rs[Rs_imLocale])
1172	if (R->input_style & XIMPreeditPosition) {	1640	SET_LOCALE (locale);
1173	rxvt_setSize(aR_ & rect);
1174	rxvt_setPosition(aR_ & spot);
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1178	XNSpotLocation, &spot,
1179	XNForeground, fg, XNBackground, bg,
1180	//XNFontSet, R->TermWin.fontset,
1181	NULL);
1182	} else if (R->input_style & XIMPreeditArea) {
1183	rxvt_setColor(aR_ & fg, &bg);
1184
1185	/*
1186	* The necessary width of preedit area is unknown
1187	* until create input context.
1188	*/
1189	needed_rect.width = 0;
1190
1191	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1192
1193	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1194	XNForeground, fg, XNBackground, bg,
1195	//XNFontSet, R->TermWin.fontset,
1196	NULL);
1197	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1198	XNForeground, fg, XNBackground, bg,
1199	//XNFontSet, R->TermWin.fontset,
1200	NULL);
1201	}
1202	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1203	XNClientWindow, R->TermWin.parent[0],
1204	XNFocusWindow, R->TermWin.parent[0],
1205	XNDestroyCallback, &ximcallback,
1206	preedit_attr ? XNPreeditAttributes : NULL,
1207	preedit_attr,
1208	status_attr ? XNStatusAttributes : NULL,
1209	status_attr, NULL);
1210	if (preedit_attr)
1211	XFree(preedit_attr);
1212	if (status_attr)
1213	XFree(status_attr);
1214	if (R->Input_Context == NULL) {
1215	rxvt_print_error("failed to create input context");
1216	XCloseIM(xim);
1217	return False;
1218	}
1219	if (R->input_style & XIMPreeditArea)
1220	rxvt_IMSetStatusPosition(aR);
1221	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1222	return True;
1223	}	1641	}
1224		1642
1225	/* EXTPROTO */
1226	void	1643	void
1227	rxvt_IMSetStatusPosition(pR)	1644	rxvt_term::im_set_position ()
1228	{	1645	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1646	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1647	XVaNestedList preedit_attr, status_attr;
1231		1648
1232	if (R->Input_Context == NULL	1649	if (!Input_Context
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1650	|| !focus
1234	|| !rxvt_IMisRunning(aR))	1651	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1652	|| !im_is_running ())
1235	return;	1653	return;
1236		1654
		1655	if (input_style & XIMPreeditPosition)
		1656	{
		1657	im_set_size (preedit_rect);
		1658	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1659
		1660	XSetICValues (Input_Context,
		1661	XNPreeditAttributes, preedit_attr, NULL);
		1662	}
		1663	else
		1664	{
1237	/* Getting the necessary width of preedit area */	1665	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1666	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1667	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1668	XFree (status_attr);
1241		1669
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1670	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1671	XFree (needed_rect);
1243		1672
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1673	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1674	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1675
1247	XSetICValues(R->Input_Context,	1676	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1677	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1678	XNStatusAttributes, status_attr,
		1679	NULL);
1250		1680
		1681	XFree (status_attr);
		1682	}
		1683
1251	XFree(preedit_attr);	1684	XFree (preedit_attr);
1252	XFree(status_attr);
1253	}	1685	}
1254	#endif /* USE_XIM */	1686	#endif /* USE_XIM */
1255		1687
1256	/*----------------------------------------------------------------------*/	1688	void
1257	rxvt_t rxvt_current_term;	1689	rxvt_term::get_window_origin (int &x, int &y)
		1690	{
		1691	Window cr;
		1692	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1693	}
		1694
		1695	#ifdef HAVE_BG_PIXMAP
		1696
		1697	void
		1698	rxvt_term::update_background ()
		1699	{
		1700	if (update_background_ev.is_active ())
		1701	return;
		1702
		1703	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1704
		1705	if (to_wait <= 0.)
		1706	bg_render ();
		1707	else
		1708	update_background_ev.start (to_wait);
		1709	}
		1710
		1711	void
		1712	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1713	{
		1714	make_current ();
		1715
		1716	update_background_ev.stop ();
		1717	bg_render ();
		1718	refresh_check ();
		1719	}
		1720
		1721	#endif /* HAVE_BG_PIXMAP */
1258		1722
1259	/*----------------------- end-of-file (C source) -----------------------*/	1723	/*----------------------- end-of-file (C source) -----------------------*/

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