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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.10 by pcg, Wed Dec 3 23:19:44 2003 UTC vs.
Revision 1.240 by sasha, Fri Aug 10 22:10:36 2007 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.10 2003/12/03 23:19:44 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) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
		51	vector<rxvt_term *> rxvt_term::termlist;
		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
		56	static char curlocale[128], savelocale[128];
		57
		58	bool
		59	rxvt_set_locale (const char *locale) NOTHROW
		60	{
		61	int size = strlen (locale) + 1;
		62
		63	if (size > sizeof (curlocale))
		64	rxvt_fatal ("locale string too long, aborting.\n");
		65
		66	if (!locale || !memcmp (locale, curlocale, size))
		67	return false;
		68
		69	memcpy (curlocale, locale, size);
		70	setlocale (LC_CTYPE, curlocale);
		71	return true;
		72	}
		73
47	void *	74	void
48	rxvt_term::operator new (size_t s)	75	rxvt_push_locale (const char *locale) NOTHROW
49	{	76	{
50	void *p = malloc (s);	77	strcpy (savelocale, curlocale);
		78	rxvt_set_locale (locale);
		79	}
51		80
52	MEMSET (p, 0, s);	81	void
		82	rxvt_pop_locale () NOTHROW
		83	{
		84	rxvt_set_locale (savelocale);
		85	}
		86
		87	#if ENABLE_COMBINING
		88	class rxvt_composite_vec rxvt_composite;
		89
		90	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		91	{
		92	compose_char *cc;
		93
		94	// break compose chains, as stupid readline really likes to duplicate
		95	// composing characters for some reason near the end of a line.
		96	cc = (*this)[c1];
		97	while (cc)
		98	{
		99	if (cc->c2 == c2) return c1;
		100	cc = (*this)[cc->c1];
		101	}
		102
		103	// check to see wether this combination already exists otherwise
		104	for (cc = v.end (); cc-- > v.begin (); )
		105	{
		106	if (cc->c1 == c1 && cc->c2 == c2)
		107	return COMPOSE_LO + (cc - v.begin ());
		108	}
		109
		110	// allocate a new combination
		111	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		112	{
		113	static int seen;
		114
		115	if (!seen++)
		116	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		117
		118	return REPLACEMENT_CHAR;
		119	}
		120
		121	v.push_back (compose_char (c1, c2));
		122
		123	return v.size () - 1 + COMPOSE_LO;
		124	}
		125
		126	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		127	{
		128	compose_char *cc = (*this)[c];
		129
		130	if (!cc)
		131	{
		132	if (r) *r = c;
		133	return 1;
		134	}
		135
		136	int len = expand (cc->c1, r);
		137
		138	if (r) r += len;
		139
		140	if (cc->c2 != NOCHAR)
		141	{
		142	len++;
		143	if (r) *r++ = cc->c2;
		144	}
		145
53	return p;	146	return len;
54	}
55		147
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	148	}
		149	#endif
61		150
62	rxvt_term::rxvt_term ()	151	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	152	:
		153	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		154	rootwin_ev (this, &rxvt_term::rootwin_cb),
		155	#endif
		156	#if ENABLE_TRANSPARENCY
		157	check_our_parents_ev(this, &rxvt_term::check_our_parents_cb),
		158	#endif
		159	#ifdef HAVE_SCROLLBARS
		160	scrollbar_ev (this, &rxvt_term::x_cb),
		161	#endif
64	#ifdef CURSOR_BLINK	162	#ifdef CURSOR_BLINK
		163	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		164	#endif
		165	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	166	text_blink_ev (this, &rxvt_term::text_blink_cb),
		167	#endif
		168	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		169	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		170	#endif
		171	#ifdef SELECTION_SCROLLING
		172	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		173	#endif
		174	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		175	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	176	#endif
67	#ifdef POINTER_BLANK	177	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	178	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	179	#endif
		180	#ifdef USE_XIM
		181	im_ev (this, &rxvt_term::im_cb),
		182	#endif
		183	#ifndef NO_BELL
		184	bell_ev (this, &rxvt_term::bell_cb),
		185	#endif
		186	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb),	187	vt_ev (this, &rxvt_term::x_cb),
		188	child_ev (this, &rxvt_term::child_cb),
		189	check_ev (this, &rxvt_term::check_cb),
		190	flush_ev (this, &rxvt_term::flush_cb),
71	destroy_ev (this, &rxvt_term::destroy_cb),	191	destroy_ev (this, &rxvt_term::destroy_cb),
		192	pty_ev (this, &rxvt_term::pty_cb),
72	check_ev (this, &rxvt_term::check_cb)	193	incr_ev (this, &rxvt_term::incr_cb)
73	{	194	{
74	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void rxvt_term::emergency_cleanup ()
		207	{
		208	if (cmd_pid)
		209	kill (-cmd_pid, SIGHUP);
		210
		211	pty_ev.stop ();
		212	delete pty; pty = 0;
75	}	213	}
76		214
77	rxvt_term::~rxvt_term ()	215	rxvt_term::~rxvt_term ()
78	{	216	{
79	rxvt_scr_release (this);	217	termlist.erase (find (termlist.begin (), termlist.end(), this));
80		218
81	#ifndef NO_SETOWNER_TTYDEV	219	emergency_cleanup ();
82	rxvt_privileged_ttydev (this, RESTORE);	220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
83	#endif	225	#endif
84	#ifdef UTMP_SUPPORT	226	delete fontset[0];
85	rxvt_privileged_utmp (this, RESTORE);	227
86	#endif	228	if (display)
		229	{
		230	selection_clear ();
		231
87	#ifdef USE_XIM	232	#ifdef USE_XIM
88	if (Input_Context != NULL)	233	im_destroy ();
		234	#endif
		235	#ifdef XTERM_SCROLLBAR
		236	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		237	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		238	#endif
		239	#ifdef PLAIN_SCROLLBAR
		240	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		241	#endif
		242	#ifdef NEXT_SCROLLBAR
		243	if (blackGC) XFreeGC (dpy, blackGC);
		244	if (whiteGC) XFreeGC (dpy, whiteGC);
		245	if (grayGC) XFreeGC (dpy, grayGC);
		246	if (darkGC) XFreeGC (dpy, darkGC);
		247	if (stippleGC) XFreeGC (dpy, stippleGC);
		248	if (dimple) XFreePixmap (dpy, dimple);
		249	if (upArrow) XFreePixmap (dpy, upArrow);
		250	if (downArrow) XFreePixmap (dpy, downArrow);
		251	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		252	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		253	#endif
		254	#ifdef RXVT_SCROLLBAR
		255	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		256	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		257	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		258	#endif
		259	if (gc) XFreeGC (dpy, gc);
		260
		261	delete drawable;
		262	// destroy all windows
		263	if (parent[0])
		264	XDestroyWindow (dpy, parent[0]);
		265
		266	for (int i = 0; i < TOTAL_COLORS; i++)
		267	if (ISSET_PIXCOLOR (i))
		268	{
		269	pix_colors_focused [i].free (this);
		270	#if OFF_FOCUS_FADING
		271	pix_colors_unfocused [i].free (this);
		272	#endif
		273	}
		274
		275	clear ();
89	{	276	}
90	XDestroyIC (Input_Context);
91	Input_Context = NULL;
92	}
93	#endif
94		277
95	if (cmd_fd >= 0)	278	delete [] pix_colors_focused;
96	close (cmd_fd);	279	#if OFF_FOCUS_FADING
		280	delete [] pix_colors_unfocused;
		281	#endif
97		282
98	if (Xfd >= 0)	283	displays.put (display);
99	XCloseDisplay (Xdisplay);
100		284
101	delete PixColors;	285	scr_release ();
		286
		287	/* clear all resources */
		288	for (int i = 0; i < allocated.size (); i++)
		289	free (allocated [i]);
		290
		291	free (selection.text);
		292	// TODO: manage env vars in child only(!)
		293	free (env_display);
		294	free (env_term);
		295	free (locale);
		296	free (v_buffer);
		297	free (incr_buf);
		298
		299	delete envv;
		300	delete argv;
		301
		302	#ifdef KEYSYM_RESOURCE
		303	delete keyboard;
		304	#endif
		305	}
		306
		307	// child has exited, usually destroys
		308	void
		309	rxvt_term::child_cb (child_watcher &w, int status)
		310	{
		311	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		312
		313	cmd_pid = 0;
		314
		315	if (!option (Opt_hold))
		316	destroy ();
102	}	317	}
103		318
104	void	319	void
105	rxvt_term::destroy ()	320	rxvt_term::destroy ()
106	{	321	{
		322	if (destroy_ev.active)
		323	return;
		324
		325	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		326
		327	#if ENABLE_OVERLAY
		328	scr_overlay_off ();
		329	#endif
		330
		331	if (display)
		332	{
		333	#if USE_XIM
		334	im_ev.stop (display);
		335	#endif
		336	#if HAVE_SCROLLBARS
		337	scrollbar_ev.stop (display);
		338	#endif
		339	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		340	rootwin_ev.stop (display);
		341	#endif
		342	incr_ev.stop ();
		343	termwin_ev.stop (display);
		344	vt_ev.stop (display);
		345	}
		346
107	check_ev.stop ();	347	check_ev.stop ();
108	pty_ev.stop ();	348	pty_ev.stop ();
109	x_ev.stop ();
110	#ifdef CURSOR_BLINK	349	#ifdef CURSOR_BLINK
		350	cursor_blink_ev.stop ();
		351	#endif
		352	#ifdef TEXT_BLINK
111	blink_ev.stop ();	353	text_blink_ev.stop ();
		354	#endif
		355	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		356	cont_scroll_ev.stop ();
		357	#endif
		358	#ifdef SELECTION_SCROLLING
		359	sel_scroll_ev.stop ();
112	#endif	360	#endif
113	#ifdef POINTER_BLANK	361	#ifdef POINTER_BLANK
114	pointer_ev.stop ();	362	pointer_ev.stop ();
115	#endif	363	#endif
116		364
…		…
118	}	366	}
119		367
120	void	368	void
121	rxvt_term::destroy_cb (time_watcher &w)	369	rxvt_term::destroy_cb (time_watcher &w)
122	{	370	{
123	SET_R (this);	371	make_current ();
124		372
125	delete this;	373	delete this;
126	}
127
128	/*----------------------------------------------------------------------*/
129	/* rxvt_init() */
130	/* LIBPROTO */
131	rxvt_t
132	rxvt_init (int argc, const char *const *argv)
133	{
134	SET_R (new rxvt_term);
135	dR;
136
137	if (!R->init_vars () || !R->init (argc, argv))
138	{
139	delete R;
140	return NULL;
141	}
142
143	return R;
144	}
145
146	/* EXTPROTO */
147	void
148	rxvt_init_signals ()
149	{
150	/* install exit handler for cleanup */
151	#if 0
152	#ifdef HAVE_ATEXIT
153	atexit(rxvt_clean_exit);
154	#else
155	#endif
156	#endif
157
158	struct sigaction sa;
159
160	sigfillset (&sa.sa_mask);
161	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	check_ev.start ();
243
244	process_x_events ();
245
246	return true;
247	}
248
249	/* ------------------------------------------------------------------------- *
250	* SIGNAL HANDLING & EXIT HANDLER *
251	* ------------------------------------------------------------------------- */
252	/*
253	* Catch a SIGCHLD signal and exit if the direct child has died
254	*/
255	/* ARGSUSED */
256	/* EXTPROTO */
257	RETSIGTYPE
258	rxvt_Child_signal(int sig __attribute__ ((unused)))
259	{
260	int pid, save_errno = errno;
261	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
262	;
263	errno = save_errno;
264
265	#if 0
266	if (pid == R->cmd_pid)
267	exit (EXIT_SUCCESS);
268	#endif
269	}
270
271	/*
272	* Catch a fatal signal and tidy up before quitting
273	*/
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Exit_signal(int sig)
277	{
278	signal(sig, SIG_DFL);
279	#ifdef DEBUG_CMD
280	rxvt_print_error("signal %d", sig);
281	#endif
282	rxvt_clean_exit();
283	kill(getpid(), sig);
284	}
285
286	/* ARGSUSED */
287	/* INTPROTO */
288	int
289	rxvt_xerror_handler(const Display * display
290	__attribute__ ((unused)), const XErrorEvent * event)
291	{
292	dR;
293
294	if (R->allowedxerror == -1)
295	R->allowedxerror = event->error_code;
296	else
297	{
298	rxvt_print_error("XError: Request: %d . %d, Error: %d",
299	event->request_code, event->minor_code,
300	event->error_code);
301
302	R->destroy ();
303	}
304
305	return 0;
306	}	374	}
307		375
308	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
309	/*	377	/*
310	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
311	* TODO: if debugging, this should free up any known resources if we can	379	* TODO: if debugging, this should free up any known resources if we can
312	*/	380	*/
313	/* EXTPROTO */	381	static XErrorHandler old_xerror_handler;
		382
		383	static void
		384	rxvt_emergency_cleanup ()
		385	{
		386	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		387	(*t)->emergency_cleanup ();
		388	}
		389
		390	#if !ENABLE_MINIMAL
		391	static void
		392	print_x_error (Display *dpy, XErrorEvent *event)
		393	{
		394	char buffer[BUFSIZ];
		395	char mesg[BUFSIZ];
		396	char number[32];
		397	char *mtype = "XlibMessage";
		398	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		399	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		400	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		401	rxvt_warn ("%s: %s\n", mesg, buffer);
		402	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		403	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		404	sprintf(number, "%d", event->request_code);
		405	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		406	rxvt_warn ("(which is %s)\n", buffer);
		407	if (event->request_code >= 128) {
		408	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		411	}
		412	if ((event->error_code == BadWindow) ||
		413	(event->error_code == BadPixmap) ||
		414	(event->error_code == BadCursor) ||
		415	(event->error_code == BadFont) ||
		416	(event->error_code == BadDrawable) ||
		417	(event->error_code == BadColor) ||
		418	(event->error_code == BadGC) ||
		419	(event->error_code == BadIDChoice) ||
		420	(event->error_code == BadValue) ||
		421	(event->error_code == BadAtom)) {
		422	if (event->error_code == BadValue)
		423	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		424	mesg, BUFSIZ);
		425	else if (event->error_code == BadAtom)
		426	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		427	mesg, BUFSIZ);
		428	else
		429	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		430	mesg, BUFSIZ);
		431	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		432	}
		433	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		434	mesg, BUFSIZ);
		435	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		436	}
		437	#endif
		438
		439	int
		440	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		441	{
		442	if (GET_R->allowedxerror == -1)
		443	GET_R->allowedxerror = event->error_code;
		444	else
		445	{
		446	// GET_R is most likely not the terminal which caused the error,
		447	// so just output the error and continue
		448	#if ENABLE_MINIMAL
		449	old_xerror_handler (display, event);
		450	#else
		451	print_x_error (display, event);
		452	#endif
		453	}
		454
		455	return 0;
		456	}
		457
		458	int
		459	rxvt_xioerror_handler (Display *display)
		460	{
		461	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		462	DisplayString (display));
		463	rxvt_emergency_cleanup ();
		464	_exit (EXIT_FAILURE);
		465	}
		466
		467	/*----------------------------------------------------------------------*/
		468	bool
		469	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
		470	{
		471	this->envv = envv;
		472
		473	SET_R (this);
		474	set_locale ("");
		475	set_environ (envv); // few things in X do not call setlocale :(
		476
		477	if (!init_vars ())
		478	return false;
		479
		480	init_secondary ();
		481
		482	const char **cmd_argv = init_resources (argc, argv);
		483
		484	#ifdef KEYSYM_RESOURCE
		485	keyboard->register_done ();
		486	#endif
		487
		488	#ifdef HAVE_SCROLLBARS
		489	if (option (Opt_scrollBar))
		490	scrollBar.setIdle (); /* set existence for size calculations */
		491	#endif
		492
		493	pty = ptytty::create ();
		494
		495	create_windows (argc, argv);
		496
		497	init_xlocale ();
		498
		499	scr_reset (); // initialize screen
		500
		501	#if 0
		502	XSynchronize (dpy, True);
		503	#endif
		504
		505	#ifdef HAVE_SCROLLBARS
		506	if (option (Opt_scrollBar))
		507	resize_scrollbar (); /* create and map scrollbar */
		508	#endif
		509	#ifdef HAVE_BG_PIXMAP
		510	{
		511	bool changed = false;
		512	bgPixmap.set_target (this);
		513
		514	#ifdef ENABLE_TRANSPARENCY
		515	if (option (Opt_transparent))
		516	{
		517	bgPixmap.set_transparent ();
		518	#ifdef HAVE_AFTERIMAGE
		519	if (rs [Rs_blurradius])
		520	bgPixmap.set_blur_radius (rs [Rs_blurradius]);
		521	#endif
		522	if (ISSET_PIXCOLOR (Color_tint))
		523	bgPixmap.set_tint (pix_colors_focused [Color_tint]);
		524	if (rs [Rs_shade])
		525	bgPixmap.set_shade (rs [Rs_shade]);
		526	changed = true;
		527
		528	bgPixmap.set_root_pixmap ();
		529	XSelectInput (dpy, display->root, PropertyChangeMask);
		530	rootwin_ev.start (display, display->root);
		531	}
		532	#endif
		533
		534	#ifdef XPM_BACKGROUND
		535	if (rs[Rs_backgroundPixmap] != NULL)
		536	{
		537	const char *p = rs[Rs_backgroundPixmap];
		538
		539	if ((p = strchr (p, ';')) != NULL)
		540	{
		541	p++;
		542	bgPixmap.set_geometry (p);
		543	}
		544	else
		545	bgPixmap.set_defaultGeometry ();
		546
		547	changed = bgPixmap.set_file (rs[Rs_backgroundPixmap]);
		548	}
		549	#endif
		550	if (changed)
		551	{
		552	bgPixmap.render_background ();
		553	scr_touch (true);
		554	}
		555	}
		556	#endif
		557
		558	#if ENABLE_PERL
		559	rootwin_ev.start (display, display->root);
		560	#endif
		561
		562	set_colorfgbg ();
		563
		564	init_command (cmd_argv);
		565
		566	free (cmd_argv);
		567
		568	if (pty->pty >= 0)
		569	pty_ev.start (pty->pty, EVENT_READ);
		570
		571	check_ev.start ();
		572
		573	HOOK_INVOKE ((this, HOOK_START, DT_END));
		574
		575	#if ENABLE_XEMBED
		576	if (rs[Rs_embed])
		577	{
		578	long info[2] = { 0, XEMBED_MAPPED };
		579
		580	XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
		581	32, PropModeReplace, (unsigned char *)&info, 2);
		582	}
		583	#endif
		584
		585	XMapWindow (dpy, vt);
		586	XMapWindow (dpy, parent[0]);
		587
		588	return true;
		589	}
		590
		591	static struct sig_handlers
		592	{
		593	sig_watcher sw_term, sw_int;
		594
		595	/*
		596	* Catch a fatal signal and tidy up before quitting
		597	*/
314	void	598	void
315	rxvt_clean_exit ()	599	sig_term (sig_watcher &w)
316	{	600	{
317	dR;	601	rxvt_emergency_cleanup ();
		602	signal (w.signum, SIG_DFL);
		603	kill (getpid (), w.signum);
		604	}
318		605
319	R->destroy ();	606	sig_handlers ()
		607	: sw_term (this, &sig_handlers::sig_term),
		608	sw_int (this, &sig_handlers::sig_term)
		609	{
		610	}
		611	} sig_handlers;
		612
		613	char **rxvt_environ; // startup environment
		614
		615	void
		616	rxvt_init ()
		617	{
		618	ptytty::init ();
		619
		620	rxvt_environ = environ;
		621
		622	signal (SIGHUP, SIG_IGN);
		623	signal (SIGPIPE, SIG_IGN);
		624
		625	sig_handlers.sw_term.start (SIGTERM);
		626	sig_handlers.sw_int.start (SIGINT);
		627
		628	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		629	/* signal (SIGURG, SIG_DFL); */
		630
		631	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		632	// TODO: handle this with exceptions and tolerate the memory loss
		633	XSetIOErrorHandler (rxvt_xioerror_handler);
		634
		635	XrmInitialize ();
320	}	636	}
321		637
322	/* ------------------------------------------------------------------------- *	638	/* ------------------------------------------------------------------------- *
323	* MEMORY ALLOCATION WRAPPERS *	639	* MEMORY ALLOCATION WRAPPERS *
324	* ------------------------------------------------------------------------- */	640	* ------------------------------------------------------------------------- */
325	/* EXTPROTO */	641	void *
326	void *
327	rxvt_malloc(size_t size)	642	rxvt_malloc (size_t size)
328	{	643	{
329	void *p;
330
331	p = malloc(size);	644	void *p = malloc (size);
		645
332	if (p)	646	if (!p)
		647	rxvt_fatal ("memory allocation failure. aborting.\n");
		648
333	return p;	649	return p;
334
335	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
336	rxvt_clean_exit();
337	exit(EXIT_FAILURE);
338	/* NOTREACHED */
339	}	650	}
340		651
341	/* EXTPROTO */	652	void *
342	void *
343	rxvt_calloc(size_t number, size_t size)	653	rxvt_calloc (size_t number, size_t size)
344	{	654	{
345	void *p;
346
347	p = calloc(number, size);	655	void *p = calloc (number, size);
		656
348	if (p)	657	if (!p)
		658	rxvt_fatal ("memory allocation failure. aborting.\n");
		659
349	return p;	660	return p;
350
351	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
352	rxvt_clean_exit();
353	exit(EXIT_FAILURE);
354	/* NOTREACHED */
355	}	661	}
356		662
357	/* EXTPROTO */	663	void *
358	void *
359	rxvt_realloc(void *ptr, size_t size)	664	rxvt_realloc (void *ptr, size_t size)
360	{	665	{
361	void *p;
362
363	if (ptr)
364	p = realloc(ptr, size);	666	void *p = realloc (ptr, size);
365	else	667
366	p = malloc(size);
367	if (p)	668	if (!p)
		669	rxvt_fatal ("memory allocation failure. aborting.\n");
		670
368	return p;	671	return p;
369
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371	rxvt_clean_exit();
372	exit(EXIT_FAILURE);
373	/* NOTREACHED */
374	}	672	}
375
376	/* ------------------------------------------------------------------------- *
377	* PRIVILEGED OPERATIONS *
378	* ------------------------------------------------------------------------- */
379	/* take care of suid/sgid super-user (root) privileges */
380	/* INTPROTO */
381	void
382	rxvt_privileges(pR_ int mode)
383	{
384	#if ! defined(__CYGWIN32__)
385	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
386	/* setreuid() is the poor man's setuid(), seteuid() */
387	# define seteuid(a) setreuid(-1, (a))
388	# define setegid(a) setregid(-1, (a))
389	# define HAVE_SETEUID
390	# endif
391	# ifdef HAVE_SETEUID
392	switch (mode) {
393	case IGNORE:
394	/*
395	* change effective uid/gid - not real uid/gid - so we can switch
396	* back to root later, as required
397	*/
398	seteuid(getuid());
399	setegid(getgid());
400	break;
401	case SAVE:
402	R->euid = geteuid();
403	R->egid = getegid();
404	break;
405	case RESTORE:
406	seteuid(R->euid);
407	setegid(R->egid);
408	break;
409	}
410	# else
411	switch (mode) {
412	case IGNORE:
413	setuid(getuid());
414	setgid(getgid());
415	/* FALLTHROUGH */
416	case SAVE:
417	/* FALLTHROUGH */
418	case RESTORE:
419	break;
420	}
421	# endif
422	#endif
423	}
424
425	#ifdef UTMP_SUPPORT
426	/* EXTPROTO */
427	void
428	rxvt_privileged_utmp(pR_ char action)
429	{
430	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
431	action, R->next_utmp_action, getpid()));
432	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433	|| (R->Options & Opt_utmpInhibit)
434	|| R->ttydev == NULL || *R->ttydev == '\0')
435	return;
436
437	rxvt_privileges(aR_ RESTORE);
438	if (action == SAVE) {
439	R->next_utmp_action = RESTORE;
440	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
441	} else { /* action == RESTORE */
442	R->next_utmp_action = IGNORE;
443	rxvt_cleanutent(aR);
444	}
445	rxvt_privileges(aR_ IGNORE);
446	}
447	#endif
448
449	#ifndef NO_SETOWNER_TTYDEV
450	/* EXTPROTO */
451	void
452	rxvt_privileged_ttydev(pR_ char action)
453	{
454	D_MAIN((stderr,
455	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
456	action, R->next_tty_action, getpid()));
457	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458	|| R->ttydev == NULL || *R->ttydev == '\0')
459	return;
460
461	rxvt_privileges(aR_ RESTORE);
462
463	if (action == SAVE) {
464	R->next_tty_action = RESTORE;
465	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468	R->next_tty_action = IGNORE;
469	else
470	# endif
471	{
472	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
473	chmod(R->ttydev, R->ttymode);
474	# ifdef HAVE_REVOKE
475	revoke(R->ttydev);
476	# endif
477	}
478	} else { /* action == RESTORE */
479	R->next_tty_action = IGNORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	chmod(R->ttydev, R->ttyfd_stat.st_mode);
482	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483	# else
484	chmod(R->ttydev,
485	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486	chown(R->ttydev, 0, 0);
487	# endif
488	}
489
490	rxvt_privileges(aR_ IGNORE);
491
492	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494	action == RESTORE ? "Restoring" : (action ==
495	SAVE ? "Saving" :
496	"UNKNOWN ERROR for"), R->ttydev,
497	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498	R->ttyfd_stat.st_gid));
499	# endif
500	}
501	#endif
502		673
503	/*----------------------------------------------------------------------*/	674	/*----------------------------------------------------------------------*/
504	/*	675	/*
505	* window size/position calculcations for XSizeHint and other storage.	676	* window size/position calculations for XSizeHint and other storage.
506	* if width/height are non-zero then override calculated width/height	677	* if width/height are non-zero then override calculated width/height
507	*/	678	*/
508	/* EXTPROTO */
509	void	679	void
510	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	680	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
511	{	681	{
512	short recalc_x, recalc_y;	682	short recalc_x, recalc_y;
513	int x, y, sb_w, mb_h, flags;	683	int x, y, sb_w, flags;
514	unsigned int w, h;	684	unsigned int w, h;
515	unsigned int max_width, max_height;	685	unsigned int max_width, max_height;
516		686
517	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
519	R->szHint.height));
520	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	687	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521	R->szHint.win_gravity = NorthWestGravity;	688	szHint.win_gravity = NorthWestGravity;
522	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	689	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523		690
524	recalc_x = recalc_y = 0;	691	recalc_x = recalc_y = 0;
525	flags = 0;	692	flags = 0;
		693
526	if (!R->parsed_geometry) {	694	if (!parsed_geometry)
		695	{
527	R->parsed_geometry = 1;	696	parsed_geometry = 1;
		697
528	if (R->rs[Rs_geometry])	698	if (rs[Rs_geometry])
529	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	699	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		700
530	if (flags & WidthValue) {	701	if (flags & WidthValue)
531	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	702	{
		703	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
532	R->szHint.flags |= USSize;	704	szHint.flags |= USSize;
533	}	705	}
		706
534	if (flags & HeightValue) {	707	if (flags & HeightValue)
535	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	708	{
		709	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
536	R->szHint.flags |= USSize;	710	szHint.flags |= USSize;
537	}	711	}
		712
538	if (flags & XValue) {	713	if (flags & XValue)
		714	{
539	R->szHint.x = x;	715	szHint.x = x;
540	R->szHint.flags |= USPosition;	716	szHint.flags |= USPosition;
		717
541	if (flags & XNegative) {	718	if (flags & XNegative)
		719	{
542	recalc_x = 1;	720	recalc_x = 1;
543	R->szHint.win_gravity = NorthEastGravity;	721	szHint.win_gravity = NorthEastGravity;
544	}	722	}
545	}	723	}
		724
546	if (flags & YValue) {	725	if (flags & YValue)
		726	{
547	R->szHint.y = y;	727	szHint.y = y;
548	R->szHint.flags |= USPosition;	728	szHint.flags |= USPosition;
		729
549	if (flags & YNegative) {	730	if (flags & YNegative)
		731	{
550	recalc_y = 1;	732	recalc_y = 1;
		733
551	if (R->szHint.win_gravity == NorthEastGravity)	734	if (szHint.win_gravity == NorthEastGravity)
552	R->szHint.win_gravity = SouthEastGravity;	735	szHint.win_gravity = SouthEastGravity;
553	else	736	else
554	R->szHint.win_gravity = SouthWestGravity;	737	szHint.win_gravity = SouthWestGravity;
555	}	738	}
556	}	739	}
557	}	740	}
		741
558	/* TODO: BOUNDS */	742	/* TODO: BOUNDS */
559	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	743	width = ncol * fwidth;
560	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	744	height = nrow * fheight;
561	max_width = MAX_COLS * R->TermWin.fwidth;	745	max_width = MAX_COLS * fwidth;
562	max_height = MAX_ROWS * R->TermWin.fheight;	746	max_height = MAX_ROWS * fheight;
563		747
564	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	748	szHint.base_width = szHint.base_height = 2 * int_bwidth;
565		749
566	sb_w = mb_h = 0;	750	sb_w = 0;
567	R->window_vt_x = R->window_vt_y = 0;	751	window_vt_x = window_vt_y = int_bwidth;
568	if (scrollbar_visible(R)) {	752
		753	if (scrollBar.state)
		754	{
569	sb_w = scrollbar_TotalWidth();	755	sb_w = scrollbar_TotalWidth ();
570	R->szHint.base_width += sb_w;	756	szHint.base_width += sb_w;
		757
571	if (!(R->Options & Opt_scrollBar_right))	758	if (!option (Opt_scrollBar_right))
572	R->window_vt_x = sb_w;	759	window_vt_x += sb_w;
573	}	760	}
574	if (menubar_visible(R)) {	761
575	mb_h = menuBar_TotalHeight();
576	R->szHint.base_height += mb_h;
577	R->window_vt_y = mb_h;
578	}
579	R->szHint.width_inc = R->TermWin.fwidth;	762	szHint.width_inc = fwidth;
580	R->szHint.height_inc = R->TermWin.fheight;	763	szHint.height_inc = fheight;
581	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	764	szHint.min_width = szHint.base_width + szHint.width_inc;
582	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	765	szHint.min_height = szHint.base_height + szHint.height_inc;
583		766
584	if (width && width - R->szHint.base_width < max_width) {	767	if (newwidth && newwidth - szHint.base_width < max_width)
		768	{
585	R->szHint.width = width;	769	szHint.width = newwidth;
586	R->TermWin.width = width - R->szHint.base_width;	770	width = newwidth - szHint.base_width;
587	} else {	771	}
588	MIN_IT(R->TermWin.width, max_width);	772	else
		773	{
		774	min_it (width, max_width);
589	R->szHint.width = R->szHint.base_width + R->TermWin.width;	775	szHint.width = szHint.base_width + width;
590	}	776	}
		777
591	if (height && height - R->szHint.base_height < max_height) {	778	if (newheight && newheight - szHint.base_height < max_height)
		779	{
592	R->szHint.height = height;	780	szHint.height = newheight;
593	R->TermWin.height = height - R->szHint.base_height;	781	height = newheight - szHint.base_height;
594	} else {	782	}
595	MIN_IT(R->TermWin.height, max_height);	783	else
		784	{
		785	min_it (height, max_height);
596	R->szHint.height = R->szHint.base_height + R->TermWin.height;	786	szHint.height = szHint.base_height + height;
597	}	787	}
		788
598	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	789	if (scrollBar.state && option (Opt_scrollBar_right))
599	R->window_sb_x = R->szHint.width - sb_w;	790	window_sb_x = szHint.width - sb_w;
600		791
601	if (recalc_x)	792	if (recalc_x)
602	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	793	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
603	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	794
604	if (recalc_y)	795	if (recalc_y)
605	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	796	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
606	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
607		797
608	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	798	ncol = width / fwidth;
609	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	799	nrow = height / fheight;
610	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
612	R->szHint.height));
613	return;
614	}	800	}
615		801
616	/*----------------------------------------------------------------------*/	802	/*----------------------------------------------------------------------*/
617	/*	803	/*
618	* Tell the teletype handler what size the window is.	804	* Tell the teletype handler what size the window is.
619	* Called after a window size change.	805	* Called after a window size change.
620	*/	806	*/
621	void	807	void
622	rxvt_term::tt_winch ()	808	rxvt_term::tt_winch ()
623	{	809	{
624	struct winsize ws;	810	if (pty->pty < 0)
625
626	if (cmd_fd < 0)
627	return;	811	return;
628		812
		813	struct winsize ws;
		814
629	ws.ws_col = TermWin.ncol;	815	ws.ws_col = ncol;
630	ws.ws_row = TermWin.nrow;	816	ws.ws_row = nrow;
631	ws.ws_xpixel = ws.ws_ypixel = 0;	817	ws.ws_xpixel = width;
632	#ifndef DEBUG_SIZE	818	ws.ws_ypixel = height;
633	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	819	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
634	#else	820
635	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	821	#if 0
636	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	822	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
637	# ifdef SIGWINCH
638	else if (cmd_pid) /* force through to the command */	823	if (cmd_pid) /* force through to the command */
639	kill (cmd_pid, SIGWINCH);	824	kill (-cmd_pid, SIGWINCH);
640	# endif
641	#endif	825	#endif
642	}	826	}
643		827
644	/*----------------------------------------------------------------------*/	828	/*----------------------------------------------------------------------*/
645	/* rxvt_change_font() - Switch to a new font */	829	/* set_fonts () - load and set the various fonts
646	/*	830	*
647	* init = 1 - initialize	831	* init = 1 - initialize
648	*	832	*
649	* fontname == FONT_UP - switch to bigger font	833	* fontname == FONT_UP - switch to bigger font
650	* fontname == FONT_DN - switch to smaller font	834	* fontname == FONT_DN - switch to smaller font
651	*/	835	*/
652	/* EXTPROTO */	836	bool
653	void	837	rxvt_term::set_fonts ()
654	rxvt_change_font(pR_ int init, const char *fontname)
655	{	838	{
656	}	839	rxvt_fontset *fs = new rxvt_fontset (this);
		840	rxvt_fontprop prop;
657		841
658	/* INTPROTO */	842	if (!fs
659	void	843	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
660	rxvt_font_up_down(pR_ int n, int direction)	844	|| !fs->realize_font (1))
		845	{
		846	delete fs;
		847	return false;
		848	}
		849
		850	#if ENABLE_STYLES
		851	for (int i = RS_styleCount; --i; )
		852	if (fontset[i] != fontset[0])
		853	delete fontset[i];
		854	#endif
		855
		856	delete fontset[0];
		857	fontset[0] = fs;
		858
		859	prop = (*fs)[1]->properties ();
		860	prop.height += lineSpace;
		861
		862	fs->set_prop (prop, false);
		863
		864	fwidth = prop.width;
		865	fheight = prop.height;
		866	fbase = prop.ascent;
		867
		868	for (int style = 1; style < 4; style++)
		869	{
		870	#if ENABLE_STYLES
		871	const char *res = rs[Rs_font + style];
		872
		873	if (res && !*res)
		874	fontset[style] = fontset[0];
		875	else
		876	{
		877	fontset[style] = fs = new rxvt_fontset (this);
		878	rxvt_fontprop prop2 = prop;
		879
		880	if (res)
		881	{
		882	fs->populate (res);
		883	fs->set_prop (prop2, false);
		884	}
		885	else
		886	{
		887	fs->populate (fontset[0]->fontdesc);
		888
		889	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		890	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		891
		892	fs->set_prop (prop2, true);
		893	}
		894
		895	}
		896	#else
		897	fontset[style] = fontset[0];
		898	#endif
		899	}
		900
		901	if (parent[0])
		902	{
		903	resize_all_windows (0, 0, 0);
		904	scr_remap_chars ();
		905	scr_touch (true);
		906	}
		907
		908	return true;
		909	}
		910
		911	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
661	{	912	{
		913	XChangeProperty (dpy, parent[0],
		914	prop, XA_STRING, 8, PropModeReplace,
		915	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		916	}
		917
		918	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		919	{
		920	wchar_t *ws = rxvt_mbstowcs (str, len);
		921	char *s = rxvt_wcstoutf8 (ws);
		922
		923	XChangeProperty (dpy, parent[0],
		924	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		925	(const unsigned char *)s, strlen (s));
		926
		927	free (s);
		928	free (ws);
662	}	929	}
663		930
664	/*----------------------------------------------------------------------*/	931	/*----------------------------------------------------------------------*/
665	/*----------------------------------------------------------------------*/	932	/*----------------------------------------------------------------------*/
666	/* xterm sequences - title, iconName, color (exptl) */	933	/* xterm sequences - title, iconName, color (exptl) */
667	/* EXTPROTO */
668	void	934	void
669	rxvt_set_title(pR_ const char *str)	935	rxvt_term::set_title (const char *str)
670	{	936	{
671	#ifndef SMART_WINDOW_TITLE	937	set_string_property (XA_WM_NAME, str);
672	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	938	#if ENABLE_EWMH
		939	set_utf8_property (xa[XA_NET_WM_NAME], str);
		940	#endif
		941	}
		942
		943	void
		944	rxvt_term::set_icon_name (const char *str)
		945	{
		946	set_string_property (XA_WM_ICON_NAME, str);
		947	#if ENABLE_EWMH
		948	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		949	#endif
		950	}
		951
		952	#ifdef XTERM_COLOR_CHANGE
		953	void
		954	rxvt_term::set_window_color (int idx, const char *color)
		955	{
		956	rxvt_color xcol;
		957	int i;
		958
		959	if (color == NULL || *color == '\0')
		960	return;
		961
		962	color = strdup (color);
		963	allocated.push_back ((void *)color);
		964	rs[Rs_color + idx] = color;
		965
		966	/* handle color aliases */
		967	if (isdigit (*color))
		968	{
		969	i = atoi (color);
		970
		971	if (i >= 8 && i <= 15)
		972	{ /* bright colors */
		973	i -= 8;
		974	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		975	goto done;
		976	}
		977
		978	if (i >= 0 && i <= 7)
		979	{ /* normal colors */
		980	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		981	goto done;
		982	}
		983	}
		984
		985	set_color (xcol, color);
		986
		987	/*
		988	* FIXME: should free colors here, but no idea how to do it so instead,
		989	* so just keep gobbling up the colormap
		990	*/
		991
		992	pix_colors_focused[idx] = xcol;
		993
		994	/* XSetWindowAttributes attr; */
		995	/* Cursor cursor; */
		996	done:
		997	/*TODO: handle Color_BD, scrollbar background, etc. */
		998
		999	update_fade_color (idx);
		1000	recolour_cursor ();
		1001	scr_recolour ();
		1002	}
		1003
673	#else	1004	#else
674	char *name;
675
676	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677	name = NULL;
678	if (name == NULL || STRCMP(name, str))
679	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680	if (name)
681	XFree(name);
682	#endif
683	}
684
685	/* EXTPROTO */
686	void
687	rxvt_set_iconName(pR_ const char *str)
688	{
689	#ifndef SMART_WINDOW_TITLE
690	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
691	#else
692	char *name;
693
694	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695	name = NULL;
696	if (name == NULL || STRCMP(name, str))
697	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698	if (name)
699	XFree(name);
700	#endif
701	}
702
703	#ifdef XTERM_COLOR_CHANGE
704	/* EXTPROTO */
705	void
706	rxvt_set_window_color(pR_ int idx, const char *color)
707	{
708	rxvt_color xcol;
709	int i;
710
711	if (color == NULL || *color == '\0')
712	return;
713
714	/* handle color aliases */
715	if (isdigit(*color)) {
716	i = atoi(color);
717	if (i >= 8 && i <= 15) { /* bright colors */
718	i -= 8;
719	# ifndef NO_BRIGHTCOLOR
720	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
721	SET_PIXCOLOR(R, idx);
722	goto Done;
723	# endif
724	}
725	if (i >= 0 && i <= 7) { /* normal colors */
726	R->PixColors[idx] = R->PixColors[minCOLOR + i];
727	SET_PIXCOLOR(R, idx);
728	goto Done;
729	}
730	}
731	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
732	return;
733	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734
735	/*
736	* FIXME: should free colors here, but no idea how to do it so instead,
737	* so just keep gobbling up the colormap
738	*/
739	# if 0
740	for (i = Color_Black; i <= Color_White; i++)
741	if (R->PixColors[idx] == R->PixColors[i])
742	break;
743	if (i > Color_White) {
744	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
745	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
746	DisplayPlanes(R->Xdisplay, Xscreen));
747	}
748	# endif
749
750	R->PixColors[idx] = xcol;
751	SET_PIXCOLOR(R, idx);
752
753	/* XSetWindowAttributes attr; */
754	/* Cursor cursor; */
755	Done:
756	if (idx == Color_bg && !(R->Options & Opt_transparent))
757	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758	R->PixColors[Color_bg]);
759
760	/* handle Color_BD, scrollbar background, etc. */
761
762	rxvt_set_colorfgbg(aR);
763	rxvt_recolour_cursor(aR);
764	/* the only reasonable way to enforce a clean update */
765	rxvt_scr_poweron(aR);
766	}
767
768	#else
769	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1005	# define set_window_color (idx,color) ((void)0)
770	#endif /* XTERM_COLOR_CHANGE */	1006	#endif /* XTERM_COLOR_CHANGE */
771		1007
772	/* EXTPROTO */
773	void	1008	void
774	rxvt_recolour_cursor(pR)	1009	rxvt_term::recolour_cursor ()
775	{	1010	{
776	rxvt_color xcol[2];	1011	XColor fg, bg;
777		1012
778	#if TODO	1013	(ISSET_PIXCOLOR (Color_pointer_fg)
779	xcol[0] = R->PixColors[Color_pointer];	1014	? pix_colors_focused[Color_pointer_fg]
780	xcol[1] = R->PixColors[Color_bg];	1015	: pix_colors_focused[Color_fg]).get (fg);
781	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1016
782	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1017	(ISSET_PIXCOLOR (Color_pointer_bg)
783	#endif	1018	? pix_colors_focused[Color_pointer_bg]
		1019	: pix_colors_focused[Color_bg]).get (bg);
		1020
		1021	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
784	}	1022	}
785		1023
786	/*----------------------------------------------------------------------*/	1024	/*----------------------------------------------------------------------*/
787	/*	1025	/*
788	* find if fg/bg matches any of the normal (low-intensity) colors	1026	* find if fg/bg matches any of the normal (low-intensity) colors
789	*/	1027	*/
790	/* INTPROTO */
791	void	1028	void
792	rxvt_set_colorfgbg(pR)	1029	rxvt_term::set_colorfgbg ()
793	{	1030	{
794	unsigned int i;	1031	unsigned int i;
795	const char *xpmb = "\0";	1032	const char *xpmb = "\0";
796	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1033	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
797		1034
798	R->env_colorfgbg =	1035	strcpy (fstr, "default");
799	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1036	strcpy (bstr, "default");
800	STRCPY(fstr, "default");
801	STRCPY(bstr, "default");
802	for (i = Color_Black; i <= Color_White; i++)	1037	for (i = Color_Black; i <= Color_White; i++)
803	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1038	if (pix_colors[Color_fg] == pix_colors[i])
		1039	{
804	sprintf(fstr, "%d", (i - Color_Black));	1040	sprintf (fstr, "%d", (i - Color_Black));
805	break;	1041	break;
806	}	1042	}
		1043
807	for (i = Color_Black; i <= Color_White; i++)	1044	for (i = Color_Black; i <= Color_White; i++)
808	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1045	if (pix_colors[Color_bg] == pix_colors[i])
		1046	{
809	sprintf(bstr, "%d", (i - Color_Black));	1047	sprintf (bstr, "%d", (i - Color_Black));
810	#ifdef XPM_BACKGROUND	1048	#ifdef XPM_BACKGROUND
811	xpmb = "default;";	1049	xpmb = "default;";
812	#endif	1050	#endif
813	break;	1051	break;
814	}	1052	}
		1053
815	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1054	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816	putenv(R->env_colorfgbg);
817
818	#ifndef NO_BRIGHTCOLOR
819	R->colorfgbg = DEFAULT_RSTYLE;
820	for (i = minCOLOR; i <= maxCOLOR; i++) {
821	if (R->PixColors[Color_fg] == R->PixColors[i])
822	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823	if (R->PixColors[Color_bg] == R->PixColors[i])
824	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825	}
826	#endif
827	}	1055	}
828		1056
829	/*----------------------------------------------------------------------*/	1057	/*----------------------------------------------------------------------*/
830	/*
831	* Colour determination for low colour displays, routine from
832	* Hans de Goede <hans@highrise.nl>
833	*/
834		1058
835	/* EXTPROTO */	1059	bool
836	int	1060	rxvt_term::set_color (rxvt_color &color, const char *name)
837	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
838	{	1061	{
839	screen_in_out->set(aR_ colour);	1062	if (color.set (this, name))
840
841	if (!screen_in_out->set(aR_ colour)) {
842	rxvt_print_error("can't allocate colour: %s", colour);
843	return false;
844	}
845
846	return true;	1063	return true;
		1064
		1065	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1066	return false;
		1067	}
		1068
		1069	void
		1070	rxvt_term::alias_color (int dst, int src)
		1071	{
		1072	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
847	}	1073	}
848		1074
849	/* -------------------------------------------------------------------- *	1075	/* -------------------------------------------------------------------- *
850	* - WINDOW RESIZING - *	1076	* - WINDOW RESIZING - *
851	* -------------------------------------------------------------------- */	1077	* -------------------------------------------------------------------- */
852	/* EXTPROTO */
853	void	1078	void
854	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1079	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
855	int ignoreparent)
856	{	1080	{
857	int fix_screen;	1081	int fix_screen;
		1082	int old_width = szHint.width;
		1083	int old_height = szHint.height;
858		1084
		1085	window_calc (newwidth, newheight);
		1086
		1087	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		1088	XSetWMNormalHints (dpy, parent[0], &szHint);
		1089
		1090	if (!ignoreparent)
		1091	{
859	#ifdef SMART_RESIZE	1092	#ifdef SMART_RESIZE
860	int old_width = R->szHint.width, old_height = R->szHint.height;	1093	/*
861	#endif
862
863	rxvt_window_calc(aR_ width, height);
864	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
865	if (!ignoreparent) {
866	#ifdef SMART_RESIZE
867	/*
868	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1094	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869	* reposition window on resize depending on placement on screen	1095	* reposition window on resize depending on placement on screen
870	*/	1096	*/
871	int x, y, x1, y1;	1097	int x, y, x1, y1;
872	int dx, dy;	1098	int dx, dy;
873	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1099	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874	Window unused_cr;	1100	Window unused_cr;
875		1101
876	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1102	XTranslateCoordinates (dpy, parent[0], display->root,
877	0, 0, &x, &y, &unused_cr);	1103	0, 0, &x, &y, &unused_cr);
878	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1104	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
879	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1105	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
880	/*	1106	/*
881	* if Xroot isn't the parent window, a WM will probably have offset	1107	* if display->root isn't the parent window, a WM will probably have offset
882	* our position for handles and decorations. Counter it	1108	* our position for handles and decorations. Counter it
883	*/	1109	*/
884	if (x1 != x || y1 != y) {	1110	if (x1 != x || y1 != y)
		1111	{
885	x -= x1;	1112	x -= x1;
886	y -= y1;	1113	y -= y1;
887	}	1114	}
888		1115
889	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1116	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
890	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1117	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
891	dx = old_width - R->szHint.width;	1118	dx = old_width - szHint.width;
892	dy = old_height - R->szHint.height;	1119	dy = old_height - szHint.height;
893		1120
894	/* Check position of the center of the window */	1121	/* Check position of the center of the window */
895	if (x < x1) /* left half */	1122	if (x < x1) /* left half */
896	dx = 0;	1123	dx = 0;
897	else if (x == x1) /* exact center */	1124	else if (x == x1) /* exact center */
898	dx /= 2;	1125	dx /= 2;
899	if (y < y1) /* top half */	1126	if (y < y1) /* top half */
900	dy = 0;	1127	dy = 0;
901	else if (y == y1) /* exact center */	1128	else if (y == y1) /* exact center */
902	dy /= 2;	1129	dy /= 2;
903		1130
904	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1131	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
905	R->szHint.width, R->szHint.height);	1132	szHint.width, szHint.height);
906	#else	1133	#else
907	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1134	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
908	R->szHint.height);
909	#endif	1135	#endif
910	}	1136	}
911		1137
912	fix_screen = (R->TermWin.ncol != R->prev_ncol	1138	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
913	|| R->TermWin.nrow != R->prev_nrow);	1139
914	if (fix_screen || width != R->old_width || height != R->old_height) {	1140	if (fix_screen || newwidth != old_width || newheight != old_height)
915	if (scrollbar_visible(R)) {	1141	{
		1142	if (scrollBar.state)
		1143	{
916	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1144	XMoveResizeWindow (dpy, scrollBar.win,
		1145	window_sb_x, 0,
917	0, scrollbar_TotalWidth(), R->szHint.height);	1146	scrollbar_TotalWidth (), szHint.height);
918	rxvt_Resize_scrollBar(aR);	1147	resize_scrollbar ();
919	}	1148	}
920	if (menubar_visible(R))	1149
921	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1150	XMoveResizeWindow (dpy, vt,
922	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1151	window_vt_x, window_vt_y,
923	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
924	R->window_vt_y, TermWin_TotalWidth(),
925	TermWin_TotalHeight());	1152	width, height);
926	#ifdef RXVT_GRAPHICS	1153
927	if (R->old_height)
928	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929	R->old_height - R->szHint.base_height);
930	#endif
931	rxvt_scr_clear(aR);	1154	scr_clear ();
932	#ifdef XPM_BACKGROUND	1155	#ifdef XPM_BACKGROUND
933	rxvt_resize_pixmap(aR);	1156	/* TODO: should that really be here ? */
		1157	bgPixmap.render_background ();
934	#endif	1158	#endif
935	}	1159	}
936		1160
937	if (fix_screen || R->old_height == 0) {	1161	if (fix_screen || old_height == 0)
938	int curr_screen = -1;	1162	scr_reset ();
939	uint16_t old_ncol = R->prev_ncol;
940		1163
941	/* scr_reset only works on the primary screen */	1164	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
942	if (R->old_height) /* this is not the first time through */	1165	//scr_touch (false);
943	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
944	rxvt_scr_reset(aR);
945	if (curr_screen >= 0) { /* this is not the first time through */
946	rxvt_scr_change_screen(aR_ curr_screen);
947	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948	}
949	}
950		1166
951	R->old_width = R->szHint.width;	1167	#ifdef HAVE_BG_PIXMAP
952	R->old_height = R->szHint.height;	1168	if (bgPixmap.pixmap)
		1169	scr_touch (false);
		1170	#endif
953		1171
954	#ifdef USE_XIM	1172	#ifdef USE_XIM
955	rxvt_IMSetStatusPosition(aR);	1173	IMSetPosition ();
956	#endif	1174	#endif
957	}	1175	}
958		1176
959	/*	1177	/*
960	* Set the width/height of the vt window in characters. Units are pixels.	1178	* Set the width/height of the vt window in characters. Units are pixels.
961	* good for toggling 80/132 columns	1179	* good for toggling 80/132 columns
962	*/	1180	*/
963	/* EXTPROTO */
964	void	1181	void
965	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1182	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
966	{	1183	{
967	XWindowAttributes wattr;	1184	XWindowAttributes wattr;
968		1185
969	if (width == 0 || height == 0) {	1186	if (newwidth == 0 || newheight == 0)
		1187	{
970	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1188	XGetWindowAttributes (dpy, display->root, &wattr);
		1189
971	if (width == 0)	1190	if (newwidth == 0)
972	width = wattr.width - R->szHint.base_width;	1191	newwidth = wattr.width - szHint.base_width;
973	if (height == 0)	1192	if (newheight == 0)
974	height = wattr.height - R->szHint.base_height;	1193	newheight = wattr.height - szHint.base_height;
		1194	}
		1195
		1196	if (newwidth != width || newheight != height)
975	}	1197	{
976	if (width != R->TermWin.width || height != R->TermWin.height) {
977	width += R->szHint.base_width;	1198	newwidth += szHint.base_width;
978	height += R->szHint.base_height;	1199	newheight += szHint.base_height;
979	rxvt_resize_all_windows(aR_ width, height, 0);	1200	resize_all_windows (newwidth, newheight, 0);
980	}	1201	}
981	}	1202	}
982		1203
983	/* -------------------------------------------------------------------- *	1204	/* -------------------------------------------------------------------- *
984	* - X INPUT METHOD ROUTINES - *	1205	* - X INPUT METHOD ROUTINES - *
985	* -------------------------------------------------------------------- */	1206	* -------------------------------------------------------------------- */
986	#ifdef USE_XIM	1207	#ifdef USE_XIM
987	/* INTPROTO */
988	void
989	rxvt_setSize(pR_ XRectangle * size)
990	{
991	size->x = R->TermWin.int_bwidth;
992	size->y = R->TermWin.int_bwidth;
993	size->width = Width2Pixel(R->TermWin.ncol);
994	size->height = Height2Pixel(R->TermWin.nrow);
995	}
996		1208
997	/* INTPROTO */
998	void	1209	void
999	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1210	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000	{	1211	{
1001	*fg = R->PixColors[Color_fg];	1212	fg = pix_colors [Color_fg];
1002	*bg = R->PixColors[Color_bg];	1213	bg = pix_colors [Color_bg];
		1214	}
		1215
		1216	void
		1217	rxvt_term::im_set_size (XRectangle &size)
		1218	{
		1219	// the int_bwidth terms make no sense to me
		1220	size.x = int_bwidth;
		1221	size.y = int_bwidth;
		1222	size.width = Width2Pixel (ncol) + int_bwidth;
		1223	size.height = Height2Pixel (nrow) + int_bwidth;
		1224	}
		1225
		1226	void
		1227	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1228	XRectangle &status_rect,
		1229	const XRectangle &needed_rect)
		1230	{
		1231	preedit_rect.x = needed_rect.width;
		1232	preedit_rect.y = 0;
		1233	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1234	preedit_rect.height = fheight;
		1235
		1236	status_rect.x = 0;
		1237	status_rect.y = 0;
		1238	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1239	status_rect.height = fheight;
1003	}	1240	}
1004		1241
1005	/* Checking whether input method is running. */	1242	/* Checking whether input method is running. */
1006	/* INTPROTO */
1007	Bool	1243	bool
1008	rxvt_IMisRunning(pR)	1244	rxvt_term::IMisRunning ()
1009	{	1245	{
1010	char *p;	1246	char *p;
1011	Atom atom;	1247	Atom atom;
1012	Window win;	1248	Window win;
1013	char server[IMBUFSIZ];	1249	char server[IMBUFSIZ];
1014		1250
1015	/* get current locale modifier */	1251	/* get current locale modifier */
1016	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1252	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1253	{
1017	STRCPY(server, "@server=");	1254	strcpy (server, "@server=");
1018	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1255	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1256
1019	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1257	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1020	*p = '\0';	1258	*p = '\0';
1021		1259
1022	atom = XInternAtom(R->Xdisplay, server, False);	1260	atom = XInternAtom (dpy, server, False);
1023	win = XGetSelectionOwner(R->Xdisplay, atom);	1261	win = XGetSelectionOwner (dpy, atom);
		1262
1024	if (win != None)	1263	if (win != None)
1025	return True;	1264	return True;
1026	}	1265	}
		1266
1027	return False;	1267	return False;
1028	}	1268	}
1029		1269
1030	/* EXTPROTO */
1031	void	1270	void
1032	rxvt_IMSendSpot(pR)	1271	rxvt_term::IMSendSpot ()
1033	{	1272	{
1034	XPoint spot;	1273	XPoint nspot;
1035	XVaNestedList preedit_attr;	1274	XVaNestedList preedit_attr;
1036		1275
1037	if (R->Input_Context == NULL	1276	if (!Input_Context
1038	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1277	|| !focus
1039	|| !(R->event_type == KeyPress	1278	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1040	|| R->event_type == Expose
1041	|| R->event_type == NoExpose
1042	|| R->event_type == SelectionNotify
1043	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1044	|| !rxvt_IMisRunning(aR))
1045	return;	1279	return;
1046		1280
1047	rxvt_setPosition(aR_ & spot);	1281	im_set_position (nspot);
1048		1282
		1283	if (nspot.x == spot.x && nspot.y == spot.y)
		1284	return;
		1285
		1286	spot = nspot;
		1287
1049	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1288	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1289	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051	XFree(preedit_attr);	1290	XFree (preedit_attr);
1052	}	1291	}
1053		1292
1054	/* EXTPROTO */
1055	void	1293	void
1056	rxvt_setTermFontSet(pR_ int idx)	1294	rxvt_term::im_destroy ()
1057	{	1295	{
1058	char *string;	1296	if (input_method)
1059	long length;	1297	{
1060	int success = 0;	1298	if (Input_Context && input_method->xim)
		1299	XDestroyIC (Input_Context);
1061		1300
1062	if (idx < 0 || idx >= MAX_NFONTS)	1301	display->put_xim (input_method);
1063	return;	1302	input_method = 0;
1064	}	1303	}
1065		1304
1066	/* INTPROTO */
1067	void
1068	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069	XRectangle * needed_rect)
1070	{
1071	int mbh, vtx = 0;
1072
1073	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074	vtx = scrollbar_TotalWidth();
1075	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076	mbh -= R->TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082	+ vtx;
1083	preedit_rect->height = Height2Pixel(1);
1084
1085	status_rect->x = vtx;
1086	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088	status_rect->width = needed_rect->width ? needed_rect->width
1089	: Width2Pixel(R->TermWin.ncol + 1);
1090	status_rect->height = Height2Pixel(1);
1091	}
1092
1093	/* ARGSUSED */
1094	/* INTPROTO */
1095	void
1096	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097	__attribute__ ((unused)), XPointer call_data
1098	__attribute__ ((unused)))
1099	{
1100	dR;
1101
1102	R->Input_Context = NULL;	1305	Input_Context = 0;
1103	/* To avoid Segmentation Fault in C locale: Solaris only? */
1104	if (STRCMP(R->locale, "C"))
1105	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106	rxvt_IMInstantiateCallback, NULL);
1107	}	1306	}
1108		1307
1109	/*	1308	#ifdef ENABLE_XIM_ONTHESPOT
1110	* X manual pages and include files don't match on some systems:
1111	* some think this is an XIDProc and others an XIMProc so we can't
1112	* use the first argument - need to update this to be nice for
1113	* both types via some sort of configure detection
1114	*/
1115	/* ARGSUSED */
1116	/* EXTPROTO */
1117	void
1118	rxvt_IMInstantiateCallback(Display * unused
1119	__attribute__ ((unused)), XPointer client_data
1120	__attribute__ ((unused)), XPointer call_data
1121	__attribute__ ((unused)))
1122	{
1123	dR;
1124	int i, found, had_im;
1125	const char *p;
1126	char **s;
1127	char buf[IMBUFSIZ];
1128		1309
1129	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1310	static void
1130	if (R->Input_Context)	1311	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1131	return;	1312	{
		1313	((rxvt_term *)client_data)->make_current ();
		1314	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1315	}
1132		1316
1133	found = had_im = 0;	1317	static void
1134	p = R->rs[Rs_inputMethod];	1318	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1135	if (p && *p) {	1319	{
1136	had_im = 1;	1320	((rxvt_term *)client_data)->make_current ();
1137	s = rxvt_splitcommastring(p);	1321	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1138	for (i = 0; s[i]; i++) {	1322	}
1139	if (*s[i]) {	1323
1140	STRCPY(buf, "@im=");	1324	static void
1141	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1325	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1142	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1326	{
1143	&& (rxvt_IM_get_IC(aR) == True)) {	1327	rxvt_term *term = (rxvt_term *)client_data;
1144	found = 1;	1328	XIMText *text = call_data->text;
1145	break;	1329
1146	}	1330	term->make_current ();
1147	}	1331
		1332	if (text)
		1333	{
		1334	void *str;
		1335
		1336	if (!text->encoding_is_wchar && text->string.multi_byte)
		1337	{
		1338	// of course, X makes it ugly again
		1339	if (term->rs[Rs_imLocale])
		1340	SET_LOCALE (term->rs[Rs_imLocale]);
		1341
		1342	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1343	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1344
		1345	if (term->rs[Rs_imLocale])
		1346	SET_LOCALE (term->locale);
1148	}	1347	}
1149	for (i = 0; s[i]; i++)	1348	else
1150	free(s[i]);	1349	str = (void *)text->string.wide_char;
1151	free(s);	1350
		1351	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1352	DT_INT, call_data->caret,
		1353	DT_INT, call_data->chg_first,
		1354	DT_INT, call_data->chg_length,
		1355	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1356	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1357	DT_END));
1152	}	1358	}
1153	if (found)	1359	else
1154	return;	1360	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1155		1361	DT_INT, call_data->caret,
1156	/* try with XMODIFIERS env. var. */	1362	DT_INT, call_data->chg_first,
1157	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1363	DT_INT, call_data->chg_length,
1158	rxvt_IM_get_IC(aR);	1364	DT_END));
1159	return;
1160	}
1161
1162	/* try with no modifiers base IF the user didn't specify an IM */
1163	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1164	&& rxvt_IM_get_IC(aR) == True)
1165	return;
1166	}	1365	}
		1366
		1367	#if 0
		1368	static void
		1369	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1370	{
		1371	((rxvt_term *)client_data)->make_current ();
		1372	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1373	DT_INT, call_data->position,
		1374	DT_INT, call_data->direction,
		1375	DT_INT, call_data->style,
		1376	DT_END));
		1377	}
		1378	#endif
		1379
		1380	#endif
1167		1381
1168	/*	1382	/*
1169	* Try to open a XIM with the current modifiers, then see if we can	1383	* Try to open a XIM with the current modifiers, then see if we can
1170	* open a suitable preedit type	1384	* open a suitable preedit type
1171	*/	1385	*/
1172	/* INTPROTO */
1173	Bool	1386	bool
1174	rxvt_IM_get_IC(pR)	1387	rxvt_term::IM_get_IC (const char *modifiers)
1175	{	1388	{
1176	int i, j, found;	1389	int i, j, found;
1177	XIM xim;	1390	XIM xim;
1178	XPoint spot;	1391	XPoint spot;
1179	XRectangle rect, status_rect, needed_rect;	1392	XRectangle rect, status_rect, needed_rect;
1180	unsigned long fg, bg;	1393	unsigned long fg, bg;
1181	const char *p;	1394	const char *p;
1182	char **s;	1395	char **s;
1183	XIMStyles *xim_styles;	1396	XIMStyles *xim_styles;
1184	XVaNestedList preedit_attr, status_attr;	1397	#ifdef ENABLE_XIM_ONTHESPOT
1185	XIMCallback ximcallback;	1398	XIMCallback xcb[4];
		1399	#endif
1186		1400
1187	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1401	set_environ (envv);
1188	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1402
1189	if (xim == NULL)	1403	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1190	return False;	1404	return false;
1191		1405
		1406	input_method = display->get_xim (locale, modifiers);
		1407	if (input_method == NULL)
		1408	return false;
		1409
		1410	xim = input_method->xim;
		1411	spot.x = spot.y = -1;
		1412
1192	xim_styles = NULL;	1413	xim_styles = NULL;
1193	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1414	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1194	|| !xim_styles || !xim_styles->count_styles) {	1415	|| !xim_styles || !xim_styles->count_styles)
1195	XCloseIM(xim);	1416	{
		1417	im_destroy ();
1196	return False;	1418	return false;
		1419	}
		1420
		1421	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1422
		1423	for (int pi = 0; pi < 2; pi++)
1197	}	1424	{
		1425	p = pet[pi];
1198		1426
1199	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1427	if (!p)
1200	: "OverTheSpot,OffTheSpot,Root";	1428	continue;
		1429
1201	s = rxvt_splitcommastring(p);	1430	s = rxvt_splitcommastring (p);
		1431
1202	for (i = found = 0; !found && s[i]; i++) {	1432	for (i = found = 0; !found && s[i]; i++)
		1433	{
1203	if (!STRCMP(s[i], "OverTheSpot"))	1434	if (!strcmp (s[i], "OverTheSpot"))
1204	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1435	input_style = XIMPreeditPosition | XIMStatusNothing;
1205	else if (!STRCMP(s[i], "OffTheSpot"))	1436	else if (!strcmp (s[i], "OffTheSpot"))
1206	R->input_style = (XIMPreeditArea | XIMStatusArea);	1437	input_style = XIMPreeditArea | XIMStatusArea;
1207	else if (!STRCMP(s[i], "Root"))	1438	else if (!strcmp (s[i], "Root"))
1208	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1439	input_style = XIMPreeditNothing | XIMStatusNothing;
		1440	else if (!strcmp (s[i], "None"))
		1441	input_style = XIMPreeditNone | XIMStatusNone;
		1442	#ifdef ENABLE_XIM_ONTHESPOT
		1443	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1444	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1445	#endif
		1446	else
		1447	input_style = XIMPreeditNothing | XIMStatusNothing;
1209		1448
1210	for (j = 0; j < xim_styles->count_styles; j++)	1449	for (j = 0; j < xim_styles->count_styles; j++)
1211	if (R->input_style == xim_styles->supported_styles[j]) {	1450	if (input_style == xim_styles->supported_styles[j])
		1451	{
		1452	rxvt_freecommastring (s);
		1453
1212	found = 1;	1454	found = 1;
		1455	goto foundpet;
		1456	}
		1457
		1458	}
		1459
		1460	rxvt_freecommastring (s);
		1461	}
		1462
		1463	foundpet:
		1464
		1465	XFree (xim_styles);
		1466
		1467	if (!found)
		1468	{
		1469	im_destroy ();
		1470	return false;
		1471	}
		1472
		1473	XFontSet fs = 0;
		1474	XVaNestedList preedit_attr = 0, status_attr = 0;
		1475
		1476	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1477	{
		1478	// fake us a font-set, please
		1479	char **missing_charset_list;
		1480	int missing_charset_count;
		1481	char *def_string;
		1482	char pat[512];
		1483
		1484	sprintf (pat,
		1485	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1486	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1487	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1488	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1489	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1490	"*",
		1491	fheight,
		1492	fheight + 1, fheight - 1,
		1493	fheight - 2, fheight + 2);
		1494
		1495	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1496	&missing_charset_list, &missing_charset_count, &def_string);
		1497
		1498	if (missing_charset_list)
		1499	XFreeStringList (missing_charset_list);
		1500
		1501	if (!fs)
		1502	{
		1503	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1504	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1505	}
		1506	}
		1507
		1508	if (input_style & XIMPreeditPosition)
		1509	{
		1510	im_set_size (rect);
		1511	im_set_position (spot);
		1512	im_set_color (fg, bg);
		1513
		1514	preedit_attr = XVaCreateNestedList (0,
		1515	XNForeground, fg,
		1516	XNBackground, bg,
		1517	XNArea, &rect,
		1518	XNSpotLocation, &spot,
		1519	XNFontSet, fs,
		1520	NULL);
		1521	}
		1522	else if (input_style & XIMPreeditArea)
		1523	{
		1524	im_set_color (fg, bg);
		1525
		1526	/*
		1527	* The necessary width of preedit area is unknown
		1528	* until create input context.
		1529	*/
		1530	needed_rect.width = 0;
		1531	im_set_preedit_area (rect, status_rect, needed_rect);
		1532
		1533	preedit_attr = XVaCreateNestedList (0,
		1534	XNForeground, fg,
		1535	XNBackground, bg,
		1536	XNArea, &rect,
		1537	XNFontSet, fs,
		1538	NULL);
		1539	status_attr = XVaCreateNestedList (0,
		1540	XNForeground, fg,
		1541	XNBackground, bg,
		1542	XNArea, &status_rect,
		1543	XNFontSet, fs,
		1544	NULL);
		1545	}
		1546	#if ENABLE_XIM_ONTHESPOT
		1547	else if (input_style & XIMPreeditCallbacks)
		1548	{
		1549	im_set_position (spot);
		1550
		1551	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1552	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1553	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1554	# if 0
		1555	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1556	# endif
		1557
		1558	preedit_attr = XVaCreateNestedList (0,
		1559	XNSpotLocation, &spot,
		1560	XNPreeditStartCallback, &xcb[0],
		1561	XNPreeditDoneCallback , &xcb[1],
		1562	XNPreeditDrawCallback , &xcb[2],
		1563	# if 0
		1564	XNPreeditCaretCallback, &xcb[3],
		1565	# endif
		1566	NULL);
		1567	}
		1568	#endif
		1569
		1570	Input_Context = XCreateIC (xim,
		1571	XNInputStyle, input_style,
		1572	XNClientWindow, vt,
		1573	XNFocusWindow, parent[0],
		1574	preedit_attr ? XNPreeditAttributes : NULL,
		1575	preedit_attr,
		1576	status_attr ? XNStatusAttributes : NULL,
		1577	status_attr, NULL);
		1578
		1579	if (preedit_attr) XFree (preedit_attr);
		1580	if (status_attr) XFree (status_attr);
		1581	if (fs) XFreeFontSet (dpy, fs);
		1582
		1583	if (Input_Context == NULL)
		1584	{
		1585	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1586	im_destroy ();
		1587	return false;
		1588	}
		1589
		1590	#if 0
		1591	// unfortunately, only the focus window is used by XIM, hard to fix
		1592	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1593	vt_select_input ();
		1594	#endif
		1595
		1596	IMSetPosition ();
		1597
		1598	return true;
		1599	}
		1600
		1601	void
		1602	rxvt_term::im_cb ()
		1603	{
		1604	int i;
		1605	const char *p;
		1606	char **s;
		1607	char buf[IMBUFSIZ];
		1608
		1609	make_current ();
		1610
		1611	im_destroy ();
		1612
		1613	if (Input_Context)
		1614	return;
		1615
		1616	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1617	if (rs[Rs_imLocale])
		1618	SET_LOCALE (rs[Rs_imLocale]);
		1619	#endif
		1620
		1621	p = rs[Rs_inputMethod];
		1622	if (p && *p)
		1623	{
		1624	bool found = false;
		1625
		1626	s = rxvt_splitcommastring (p);
		1627
		1628	for (i = 0; s[i]; i++)
		1629	{
		1630	if (*s[i])
		1631	{
		1632	strcpy (buf, "@im=");
		1633	strncat (buf, s[i], IMBUFSIZ - 5);
		1634	if (IM_get_IC (buf))
		1635	{
		1636	found = true;
1213	break;	1637	break;
		1638	}
1214	}	1639	}
1215	}	1640	}
1216	for (i = 0; s[i]; i++)
1217	free(s[i]);
1218	free(s);
1219	XFree(xim_styles);
1220		1641
		1642	rxvt_freecommastring (s);
		1643
1221	if (!found) {	1644	if (found)
1222	XCloseIM(xim);	1645	goto done;
1223	return False;
1224	}	1646	}
1225		1647
1226	ximcallback.callback = rxvt_IMDestroyCallback;	1648	/* try with XMODIFIERS env. var. */
		1649	if (IM_get_IC (""))
		1650	goto done;
1227		1651
1228	/* XXX: not sure why we need this (as well as IC one below) */	1652	/* try with no modifiers base IF the user didn't specify an IM */
1229	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1653	if (IM_get_IC ("@im=none"))
		1654	goto done;
1230		1655
1231	preedit_attr = status_attr = NULL;	1656	done:
1232		1657	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1233	if (R->input_style & XIMPreeditPosition) {	1658	if (rs[Rs_imLocale])
1234	rxvt_setSize(aR_ & rect);	1659	SET_LOCALE (locale);
1235	rxvt_setPosition(aR_ & spot);	1660	#endif
1236	rxvt_setColor(aR_ & fg, &bg);
1237
1238	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1239	XNSpotLocation, &spot,
1240	XNForeground, fg, XNBackground, bg,
1241	//XNFontSet, R->TermWin.fontset,
1242	NULL);
1243	} else if (R->input_style & XIMPreeditArea) {
1244	rxvt_setColor(aR_ & fg, &bg);
1245
1246	/*
1247	* The necessary width of preedit area is unknown
1248	* until create input context.
1249	*/
1250	needed_rect.width = 0;
1251
1252	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1253
1254	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1255	XNForeground, fg, XNBackground, bg,
1256	//XNFontSet, R->TermWin.fontset,
1257	NULL);
1258	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1259	XNForeground, fg, XNBackground, bg,
1260	//XNFontSet, R->TermWin.fontset,
1261	NULL);
1262	}
1263	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1264	XNClientWindow, R->TermWin.parent[0],
1265	XNFocusWindow, R->TermWin.parent[0],
1266	XNDestroyCallback, &ximcallback,
1267	preedit_attr ? XNPreeditAttributes : NULL,
1268	preedit_attr,
1269	status_attr ? XNStatusAttributes : NULL,
1270	status_attr, NULL);
1271	if (preedit_attr)
1272	XFree(preedit_attr);
1273	if (status_attr)
1274	XFree(status_attr);
1275	if (R->Input_Context == NULL) {
1276	rxvt_print_error("failed to create input context");
1277	XCloseIM(xim);
1278	return False;
1279	}
1280	if (R->input_style & XIMPreeditArea)
1281	rxvt_IMSetStatusPosition(aR);
1282	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1283	return True;
1284	}	1661	}
1285		1662
1286	/* EXTPROTO */
1287	void	1663	void
1288	rxvt_IMSetStatusPosition(pR)	1664	rxvt_term::IMSetPosition ()
1289	{	1665	{
1290	XRectangle preedit_rect, status_rect, *needed_rect;	1666	XRectangle preedit_rect, status_rect, *needed_rect;
1291	XVaNestedList preedit_attr, status_attr;	1667	XVaNestedList preedit_attr, status_attr;
1292		1668
1293	if (R->Input_Context == NULL	1669	if (!Input_Context
1294	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1670	|| !focus
		1671	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1295	|| !rxvt_IMisRunning(aR))	1672	|| !IMisRunning ())
1296	return;	1673	return;
1297		1674
		1675	if (input_style & XIMPreeditPosition)
		1676	{
		1677	im_set_size (preedit_rect);
		1678	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1679
		1680	XSetICValues (Input_Context,
		1681	XNPreeditAttributes, preedit_attr, NULL);
		1682	}
		1683	else
		1684	{
1298	/* Getting the necessary width of preedit area */	1685	/* Getting the necessary width of preedit area */
1299	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1686	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1300	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1687	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1301	XFree(status_attr);	1688	XFree (status_attr);
1302		1689
1303	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1690	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1691	XFree (needed_rect);
1304		1692
1305	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1693	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1306	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1694	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1307		1695
1308	XSetICValues(R->Input_Context,	1696	XSetICValues (Input_Context,
1309	XNPreeditAttributes, preedit_attr,	1697	XNPreeditAttributes, preedit_attr,
1310	XNStatusAttributes, status_attr, NULL);	1698	XNStatusAttributes, status_attr,
		1699	NULL);
1311		1700
		1701	XFree (status_attr);
		1702	}
		1703
1312	XFree(preedit_attr);	1704	XFree (preedit_attr);
1313	XFree(status_attr);
1314	}	1705	}
1315	#endif /* USE_XIM */	1706	#endif /* USE_XIM */
1316		1707
1317	/*----------------------------------------------------------------------*/
1318	rxvt_t rxvt_current_term;
1319
1320	/*----------------------- end-of-file (C source) -----------------------*/	1708	/*----------------------- end-of-file (C source) -----------------------*/

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